CN213209455U

CN213209455U - Multifunctional skid-mounted valve pressure test and debugging complete equipment

Info

Publication number: CN213209455U
Application number: CN202022432870.XU
Authority: CN
Inventors: 孟建军; 黄慧
Original assignee: First Construction Of China Mechanical Industry Co ltd
Current assignee: First Construction Of China Mechanical Industry Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-05-14
Anticipated expiration: 2030-10-28

Abstract

A multifunctional skid-mounted valve pressure test and debugging complete equipment comprises a base, a pressure test barrel, a power pressure test debugging device, a pressure test water tank, a high-pressure pipe, a connecting pipe, a high-pressure hose and a first flange, wherein the pressure test barrel, the pressure test water tank and the power pressure test debugging device are mounted on the upper surface of the base, the left end of the pressure test barrel is of a blind structure, the right end of the pressure test barrel is communicated with the power pressure test debugging device through the high-pressure pipe, a first pressure meter, a vent valve and a plurality of first pressure test interfaces are arranged on the barrel body of the pressure test barrel, the pressure test water tank is communicated with the power pressure test debugging device through the connecting pipe, the high-pressure hose is multiple, one end pipe orifice is communicated with the first pressure test interfaces of the pressure test barrel in a detachable structure mode, and the other end pipe orifice can be provided with first flanges of different types and different specifications, the valve inspection device is suitable for connection of valves to be inspected in different types and different specifications; the first pressure test interface of the cylinder body corresponds to one end port of the high-pressure hose one to one.

Description

Multifunctional skid-mounted valve pressure test and debugging complete equipment

Technical Field

The utility model relates to a valve verifying attachment specifically is a multi-functional skid-mounted formula valve pressure testing, debugging complete sets.

Background

In various engineering projects, various types and specifications of valves are installed on production devices and equipment, particularly on flammable, explosive, toxic, harmful, high-temperature and high-pressure pipelines and equipment in petrochemical industry, the tightness of the valves must be ensured, the valves can work safely under the design pressure, the valves are closed tightly and cannot leak, and the leakage after the valves are installed can cause great influence on later-stage production and even harm to personal safety, so the tightness test of the valves is an important experiment before the valves are installed, the specifications of the valves to be used in the actual engineering are more, and according to the national relevant specifications, the valves must be tested and debugged according to the relevant specifications (such as GB 50235-2010, SH3518-2013, SH/T3064-2003, GB/T26480-GB/T13927-2008, API 598-Meibiao, GB/T4213-2008 and FCI 70-2 Meibiao) before the valves are installed in a construction site And traditional equipment of suppressing, the structure is complicated, and is with high costs, like figure 8, large specification valve job site still need cooperate construction machinery such as crane, fork truck and more constructor, and the cost is higher, buys special valve manufacture factory valve pressure testing device, and the cost is higher, can only carry out the pressure testing for the valve of single specification in addition once only, and is inefficient.

The other related valve pressure testing devices have the pressure testing function of valves with multiple specifications, but the functions are single, the air pressure test cannot be carried out, the pressure testing range is narrow, pressure testing devices with different specifications are purchased to complete the pressure testing, and the investment cost is relatively high; the pneumatic and electric control valve can not be checked and tested, the transportation is inconvenient, the leakage pressure testing and the control system debugging of other pressure testing devices of the control valve need to be carried out independently, other pressure testing devices of the valve need to be installed for pressure testing of large-specification valves, the transportation is inconvenient, the efficiency is low, other pressure testing devices of valves with multiple specifications need to install the pressure testing valves (especially all kinds of valves with larger quantity more than DN 100) on the pressure testing table manually, the valves need to be disassembled from the pressure testing table manually after the pressure testing is finished and are placed in order, (especially, the valves stored in different areas and on-site in batches in a construction site need to be placed in sequence in all classifications), the labor intensity is high, a large amount of labor is wasted, and the efficiency is not high. Other pressure testing valve devices need to be manufactured by professional manufacturers, are complex to manufacture, have higher technical requirements and longer time, and influence the whole pressure testing period.

Therefore, before the valve is installed, a pipeline valve pressure test and a regulating valve are required to be carried out according to design and construction specifications, and the valve is inconvenient to disassemble due to various general types, specification types and types of the valve. The currently used methods are: the pipeline corresponding to the valve is selected to be connected for pressure test of the valve with a single specification number, and the process not only wastes pipes, but also wastes a large amount of labor due to inconvenience in disassembly and assembly.

Disclosure of Invention

The utility model aims to provide a: aiming at the defects of the prior art, the multifunctional skid-mounted valve pressure test and debugging complete equipment is simple in structure, wide and convenient to use, convenient to move, complete in function, simple to manufacture, high in efficiency, low in cost, short in manufacturing time, few in auxiliary pressure test equipment, simple in manpower, suitable for various occasions, various construction environments and various pressure grades.

The utility model discloses a technical scheme be, a multi-functional skid-mounted valve pressure testing, debugging complete sets, equipment includes base, pressure testing barrel, power pressure testing debugging equipment, pressure testing water tank, high-pressure tube, connecting pipe, high-pressure hose and first flange, install on the upper surface of base pressure testing barrel, pressure testing water tank power pressure testing debugging equipment, pressure testing barrel left end tip is blind structure, right-hand member tip pass through the high-pressure tube with power pressure testing debugging equipment intercommunication, be provided with first manometer, discharge valve and a plurality of first pressure testing interface on this pressure testing barrel's the stack shell, the pressure testing water tank with pass through the connecting pipe with power pressure testing debugging equipment intercommunication, high-pressure hose is many, one end mouth of pipe with can dismantle the structural style with the first pressure testing interface intercommunication of pressure testing barrel, the other end mouth of pipe can set up different grade type, The first flanges with different specifications are suitable for connection of valves to be inspected with different types and different specifications, the base is provided with a handrail, and the top surface of the base is provided with a plurality of movable wheels; the first pressure test interface of the cylinder body corresponds to one end port of the high-pressure hose one to one.

First pressure testing interface of pressure testing barrel with be provided with second pressure table and exhaust relief valve between the high pressure hose to what adapt to different grade type, different specifications, different pressure grades waits to detect the detection of valve, these first pressure testing interface be located respectively the preceding, the back both sides of pressure testing barrel, and, these first pressure testing interface all be located same horizontal plane.

The pressure testing barrel is characterized in that a plurality of second pressure testing interfaces are further arranged on the barrel body of the pressure testing barrel body, the second pressure testing interfaces are divided into two types, a first type of short connecting pipe which is vertically arranged is arranged on the first type of second pressure testing interface, and second flanges of different types and different specifications can be arranged at the connecting end of the first type of short connecting pipe so as to adapt to the connection of valves to be tested, wherein the valves to be tested are different in type and different in specification; and a second nipple which is vertically arranged is arranged on the other type of second pressure test interface, and the end part of the connecting end of the second nipple is provided with an external thread.

The equipment also comprises a first bracket, a first jack, an upper pressure plate, a lower pressure plate, an exhaust pipe, a fourth pressure gauge and a control valve, wherein the first jack is vertically arranged on the first bracket, the movable end of the first jack is provided with the upper pressure plate which is provided with the exhaust pipe, a pipe orifice at one end of the exhaust pipe is positioned on the lower surface of the upper pressure plate, a pipe orifice at the other end penetrates through the upper pressure plate, and extends out of the peripheral side wall surface of the upper pressure plate or the upper surface of the upper pressure plate, a third pressure test interface is arranged on the cylinder body of the pressure test cylinder body, a third type of short connecting pipe which is vertically arranged is arranged on the third pressure test interface, the top end port of the third type of short connecting pipe is provided with a lower pressure plate which is vertically aligned with the upper pressure plate, a through hole communicated with the third type of short connecting pipe is formed in the upper surface of the lower pressing plate, so that a space for assembling a valve to be tested is formed between the upper pressing plate and the lower pressing plate; control valves for controlling on-off are arranged on the hole at the other end of the exhaust pipe and the third type of short connecting pipe, a fourth pressure gauge is arranged on the third type of short connecting pipe, and a control valve for controlling on-off is arranged between the fourth pressure gauge and the third type of short connecting pipe; the first jack is driven, and the upper pressing plate can move towards the direction close to the lower pressing plate or move towards the direction far away from the lower pressing plate.

Furthermore, the lower surface of the upper pressure plate and the upper surface of the lower pressure plate are both provided with positioning grooves, the inner wall surface of each positioning groove is formed by a plurality of circles of concentrically arranged annular steps with different diameters, the diameters of the annular steps are gradually reduced from the groove openings of the positioning grooves to the bottom of the positioning grooves, tapered holes are formed in the annular steps and are conical inwards concave sealing seats, the annular steps are suitable for valves with different diameters and ensure the sealing effect, polytetrafluoroethylene sealing gaskets with different diameters are arranged on the sealing seats, and after the valve is tightly pressed in working, the port of the valve is completely ensured to be free from water or gas leakage; and a pipe orifice at one end of the exhaust pipe is positioned at the central position in the positioning groove of the upper pressure plate, and a pipe orifice at the other end of the exhaust pipe penetrates through the upper pressure plate and extends out of the peripheral side wall surface of the upper pressure plate or the upper surface of the upper pressure plate.

Furthermore, the lower surface of the upper pressure plate and the upper surface of the lower pressure plate are both provided with fixing structures for fixing the welding valve to be detected, the fixing structures of the lower surface of the upper pressure plate mainly comprise upper fixing seats and upper locking screw rods, the two upper fixing seats are symmetrically arranged on the lower surfaces of the upper pressure plate at two sides of the positioning groove, polytetrafluoroethylene sealing gaskets are arranged on the sealing seats of the grooves at two ends to completely seal the valve port, the two upper fixing seats are respectively and correspondingly provided with one threaded hole matched with the upper locking screw rods, the two upper locking screw rods are respectively and correspondingly screwed into the threaded holes of the two upper fixing seats, so that the two upper locking screw rods are opposite and symmetrical, one or two upper locking screw rods are screwed, and the distance between the two upper locking screw rods can be increased or decreased, the connecting pipe part of the valve to be detected, which is positioned between the two upper locking screws, is clamped and fixed; the fixing structure of the upper surface of the lower pressing plate mainly comprises two lower fixing seats and two lower locking screw rods, the two lower fixing seats are symmetrically arranged on the upper surfaces of the two sides of the positioning groove of the lower pressing plate, one threaded hole matched with the lower locking screw rods is correspondingly formed in each of the two lower fixing seats, the two lower locking screw rods are correspondingly screwed into the threaded holes of the two lower fixing seats respectively, the two lower locking screw rods are opposite and symmetrical, one or two lower locking screw rods are screwed, the distance between the two lower locking screw rods can be increased or decreased, and the connecting pipe part of the welding type valve to be detected, which is located between the two lower locking screw rods, is clamped and fixed.

The device also comprises a hanger, a lifting mechanism, a second support, a left pressing plate, a cross rod, a right pressing plate, a second jack, a first guide pipe, a measuring cup, a second guide pipe and a third guide pipe, wherein the hanger is installed on the base, the lifting end of the hanger is connected with the second support through the lifting mechanism, the left pressing plate is fixedly connected onto the second support through the cross rod, the right pressing plate is connected onto the second support through the second jack so as to form a space for assembling a valve to be tested between the left pressing plate and the right pressing plate, the first guide pipe is arranged on the left pressing plate, a pipe orifice at one end is positioned on the right side surface of the left pressing plate, a pipe orifice at the other end passes through the left pressing plate and extends out of the left side surface of the left pressing plate, the pipe orifice at the other end is vertically and upwards arranged, the measuring cup is fixed onto the second support or the cross rod, the utility model discloses a power pressure testing device, including first pipe, second pipe, right clamp plate, power pressure testing debugging equipment, the pipe body of first pipe, be provided with the control valve that plays the control break-make effect on the pipe body of first pipe, the one end mouth of pipe of second pipe with first pipe is located on this first pipe control valve with pipe part intercommunication between the left clamp plate, the other end mouth of pipe is arranged in the graduated flask, and, be provided with the control valve that plays the control break-make effect on the pipe body of this second pipe, the third pipe sets up on the right clamp plate, the one end mouth of pipe is located on the left surface of right clamp plate, the other end mouth of pipe passes right clamp plate extends the right surface of right clamp plate, and with pressure testing barrel intercommunication, or with power pressure testing debugging equipment intercommunication, or with the high-pressure tube intercommunication, and, be provided with the control valve.

Further, the pipe part that the third pipe is located this third pipe control valve with between the pressure testing barrel communicates there is the fourth pipe, is provided with third pressure table and governing valve on this fourth pipe, or, the pipe part that the third pipe is located this third pipe control valve with between the power pressure testing debugging equipment communicates there is the fourth pipe, is provided with third pressure table and governing valve on this fourth pipe, or, the pipe part that the third pipe is located this third pipe control valve with between the high-pressure pipe communicates there is the fourth pipe, is provided with third pressure table and governing valve on this fourth pipe.

Furthermore, the hanger mainly comprises a hanger seat, a rotating sleeve and a hanger, wherein the hanger seat is fixedly connected to the upper surface of the base, the rotating sleeve is of a hollow structure, the bottom of the rotating sleeve is fixedly connected with the hanger base, the hanger is in a bent shape, the bottom end of the hanger is fixed in the rotating sleeve in a mode of a large sleeve and a small pipe, an annular plate is arranged on the large sleeve, a positioning bolt hole is machined in the annular plate, a bolt hole rod is welded on the hanger rod, the hanger rod is inserted into the rotating sleeve, the bolt hole rod can be correspondingly inserted into one positioning bolt hole in the annular plate, so that the hanger rod is limited to rotate in the rotating sleeve along the circumferential direction, and the pin hole is positioned and fixed or not positioned according to actual required angles during working. For guaranteeing intensity, this annular slab pass through the stand with the base welding of equipment, the top of this jib is provided with the couple, the second support passes through elevating system to be hung on the couple of jib, elevating system is chain block or electric block.

Further, the second support mainly comprises last horizontal pole, sheer pole, left montant, right montant, go up the left end tip fixed connection of horizontal pole the top of left side montant, right-hand member tip fixed connection the top of right side montant, the bottom of left side montant with connect the sheer pole with the mode that can dismantle the structure between the bottom of right side montant, the left end tip of horizontal pole is connected on the left side montant, the right-hand member tip with left clamp plate fixed connection, and the horizontal pole with be provided with the stiffener between the last horizontal pole, the right-hand member tip fixed connection of second jack is in on the right side montant, the left end tip with right clamp plate fixed connection. When the pressure test valve is moved according to the storage position or the working requirement of the pressure test valve, the suspender can be rotated by 360 degrees at will and is matched with the electric block or the chain block to carry out hoisting and carrying, so that the time, labor and convenience are greatly saved.

The power pressure test debugging equipment comprises a manual pressure test pump, an air compressor and a high-pressure cleaning machine, wherein a left end pipe orifice of the high-pressure pipe is communicated with the pressure test barrel, a right end pipe orifice of the high-pressure pipe is communicated with the manual pressure test pump, the air compressor and the high-pressure cleaning machine respectively through a four-way joint, control valves for controlling on-off are arranged on pipes of the high-pressure pipe, the pipe body of the high-pressure pipe is arranged between the four-way joint and the manual pressure test pump, between the four-way joint and the air compressor and between the four-way joint and the high-pressure cleaning machine, one end pipe orifice of the connecting pipe is communicated with the pressure test water tank, the other end pipe orifice of the connecting pipe is communicated with the manual pressure test pump and the high-pressure cleaning machine respectively through a three-way joint, and control valves for controlling on-off are arranged on pipes between the three-way, or, the connecting pipe is two, the first connecting pipe one end mouth of pipe with pressure testing water tank intercommunication, the other end mouth of pipe with manual pressure testing pump intercommunication, the second connecting pipe one end mouth of pipe with pressure testing water tank intercommunication, the other end mouth of pipe and high pressure cleaner intercommunication to set up the control valve that plays the control break-make effect on the pipe shaft of first connecting pipe and the pipe shaft of the second connecting pipe.

Further, the pressure testing barrel is communicated with the pressure testing water tank through a communicating pipe, a control valve for controlling on-off is arranged on a pipe body of the communicating pipe, a drain valve for controlling on-off is arranged on the side wall of the bottom of the pressure testing water tank, and an observation window or a cleaning window is arranged at the top of the pressure testing water tank.

The high-pressure testing device is characterized in that a third flange is arranged on a first pressure testing interface of the pressure testing barrel, a blind plate matched with the third flange is arranged at the end pipe orifice of the high-pressure hose communicated with the first pressure testing interface, a hose connector is arranged at the center of the blind plate, and the hose connector is used for connecting the high-pressure hose.

The high-pressure cleaning machine comprises a cleaning machine body, a high-pressure hose and a connecting piece, wherein a pipe orifice at one end of the high-pressure hose is communicated with the cleaning machine body, a pipe orifice at the other end of the high-pressure hose is communicated with the high-pressure hose through the connecting piece, and the high-pressure cleaning machine replaces the existing electric pressure test pump.

The utility model has the advantages that:

1. the utility model discloses simple structure, it is convenient to use extensively, is convenient for remove, multiple functional, simple manufacture, efficiency is higher, and the cost is lower, and the preparation time is shorter, and the pressure testing auxiliary assembly is few, the operation can be accomplished to the manpower of simple, is suitable for various occasions, all kinds of construction environment, all kinds of pressure grades.

2. The utility model discloses in, the valve pressure testing integrated equipment preparation that has overcome current market and valve producer purchase (production) is complicated, need professional producer production, equipment is bulky, heavy, the cost is higher, and the purchase time limit for a project is longer relatively, needs long-term maintenance after the pressure testing is accomplished, occupies the storehouse place and has enough to meet the need the transportation very inconvenient. This pressure testing device simple manufacture, the cost is lower, can dismantle the transportation and reassemble or scrap the processing according to later stage live time, place condition valve pressure testing completion after, key reuse's spare part save the transportation can, it is very convenient to make again, assemble low cost.

3. The utility model discloses in, adopt high-pressure hose and mobilizable base, it is single to have overcome valve pressure testing complete sets pressure testing function usage on the current market, can't carry out the governing valve debugging, can't carry out the pressure testing to the screw valve, can't carry out many specifications simultaneously, the valve pressure testing work of polytypic, efficiency is not high. The invention overcomes the defect that other large-diameter valves (DN 250 and above) of the pressure test device are required to be provided with standard part flanges with the same specification as the pressure test valves. The diameter of the pressure testing cylinder body of the other pressure testing device is larger than that of the pressure testing valve (for example, DN500-600 valve is subjected to pressure testing, the diameter of the distribution pipe of the main pressure testing cylinder body is at least DN600 and above), the manufacturing cost and the manufacturing period are reduced, the size and the weight of the device are reduced, and the device is convenient to move.

4. The utility model adopts the hanging bracket and the upgrading mechanism, thereby overcoming the defect that the valve pressure test complete equipment in the market needs a crane and a motor-driven forklift to carry out the pressure test on the large-diameter valve for a long time, and the complete cost, the labor cost and the material cost are higher; equipment is heavier, removes the transportation inconvenience, reduces pressure testing efficiency.

5. In the utility model, a hanger frame, a lifting mechanism, a second bracket, a left pressing plate, a cross rod, a right pressing plate, a second jack, a first conduit, a measuring cup, a second conduit and a third conduit are adopted, the hanger frame is arranged on the base, the lifting end of the hanger frame is connected with the second bracket through the lifting mechanism, the left pressing plate is fixedly connected on the second bracket through the cross rod, the right pressing plate is connected on the second bracket through the second jack, so that a space for assembling a valve to be tested is formed between the left pressing plate and the right pressing plate, the first conduit is arranged on the left pressing plate, a pipe orifice at one end is positioned on the right side surface of the left pressing plate, a pipe orifice at the other end passes through the left pressing plate and extends out of the left side surface of the left pressing plate, and the pipe orifice is vertically upwards arranged, the measuring cup is fixed on the second bracket or on the cross rod, the utility model discloses a power pressure testing device, including first pipe, second pipe, right clamp plate, power pressure testing debugging equipment, the pipe body of first pipe, be provided with the control valve that plays the control break-make effect on the pipe body of first pipe, the one end mouth of pipe of second pipe with first pipe is located on this first pipe control valve with pipe part intercommunication between the left clamp plate, the other end mouth of pipe is arranged in the graduated flask, and, be provided with the control valve that plays the control break-make effect on the pipe body of this second pipe, the third pipe sets up on the right clamp plate, the one end mouth of pipe is located on the left surface of right clamp plate, the other end mouth of pipe passes right clamp plate extends the right surface of right clamp plate, and with pressure testing barrel intercommunication, or with power pressure testing debugging equipment intercommunication, or with the high-pressure tube intercommunication, and, be provided with the control valve. The pipe part that the third pipe is located this third pipe control valve with between the pressure testing barrel communicates there is the fourth pipe, is provided with third manometer and governing valve on this fourth pipe, perhaps, the third pipe is located this third pipe control valve with pipe part intercommunication between the power pressure testing debugging equipment has the fourth pipe, is provided with third manometer and governing valve on this fourth pipe, or, the third pipe is located this third pipe control valve with pipe part intercommunication between the high-pressure pipe has the fourth pipe, is provided with third manometer and governing valve on this fourth pipe. The device overcomes the defects that other similar field pressure testing devices can not simultaneously carry out valve air pressure test and water pressure test and can not carry out debugging work of the regulating valve.

6. The utility model discloses in, overcome other similar on-the-spot pressure testing invention device pressure testing specification type relatively less defect, overcome other pressure testing invention devices and need all install the pressure testing valve on the pressure testing platform, need dismantle again after installation, the pressure testing is accomplished, put according to the former categorised model specification position, this work load is great, intensity of labour is big, the major diameter valve needs fork truck, crane, transport, needs great manpower and materials, the time limit for a project is relatively longer. The pressure testing and debugging equipment can be stacked on site, can be slightly moved and can be 20-30m away from the stacking position of the valve.

7. The utility model discloses in, overcome other on-spot pressure testing invention devices of the same kind, the function is single, can't carry out the pressure testing to socket joint welding valve door, high-pressure valve (RF plane flange, RJ octagon pad flange), can carry out intensity and sealing performance test and debugging to flange formula, welded type, each type of screw thread formula and specification (specification model size confirms the preparation scheme according to needs pressure testing valve size) valve. The valves include all conventional valves such as gate valves, stop valves, ball valves, butterfly valves, check valves, electric (pneumatic) regulating valves, safety valves, diaphragm valves, plug valves, angle valves and the like. The pressure testing and debugging equipment has very wide testing pressure and can be realized according to the design and the specification requirements.

8. The utility model discloses in, adopt manual pressure testing pump, air compressor machine and high pressure cleaner to use coordinately, overcome other valve pressure testing invention devices can't carry out the defect that the residual water weathered the protection to the valve that the pressure testing was accomplished simultaneously, because of the valve water pressure testing is accomplished after, there is the residual water droplet inside the valve, this residual water can cause sealed face and the inside corrosion of valve body, adsorb impurity such as dust such as silt, probably cause flange seal face and the inside seal structure of valve body to become invalid, precision valve is scrapped even, the device of the invention is furnished with the air compressor machine, after the pressure testing is accomplished, can carry out the residual water to the valve in batches immediately and weathered the protection, can paint machine oil, butter protection to valve flange seal face and valve rod after weathering, guarantee valve seal quality. And after other pressure testing devices are not needed for pressure testing, a gas source pipeline or a movable air compressor is independently connected for residual water blow-drying protection.

9. The utility model discloses in, adopt pressure testing barrel, pressure testing water tank, power pressure testing debugging equipment to communicate each other, overcome general valve pressure testing device, the unable cyclic utilization's of pressure testing water defect, the device of the invention can reach pressure testing water reuse, reaches the purpose that green construction and maximize practiced thrift the cost.

10. The utility model discloses in, it is higher to have overcome other pressure testing device pressure testing pump (electronic) cost, need purchase special pressure testing pump, the commonality is not strong, the device of the invention utilizes high pressure cleaner to replace the pressure testing pump, only needs repacking cleaning machine part spare part. The high-pressure cleaning machine (car washer) is used on site in construction site, has multiple purposes, does not need to be purchased specially, can continue other purposes after construction is completed, and can maximally save cost.

11. The utility model discloses in, overcome all the other complete sets pressure testing equipment power interruption or temporary power supply temporarily can't provide the defect with regard to unable work, two kinds of pressure testing instruments are installed to this device, manual pressure testing pump (do not need the power) and high pressure cleaner promptly, according to pressure testing valve size, quantity, job site environmental condition, the free choice to guarantee not receive the influence that the power supply interrupted.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a general structural diagram of the present invention.

Fig. 2 is a top view of the pressure testing cylinder of fig. 1.

Fig. 3 is a schematic view of the first bracket, the first jack, the upper platen, the lower platen, and the exhaust pipe in fig. 1.

Fig. 4 is an enlarged view of a in fig. 3.

FIG. 5 is a bottom view of FIG. 4

Fig. 6 is an enlarged view of fig. 3 at B.

Fig. 7 is a schematic view of the boom of fig. 1 after rotation.

Fig. 8 is a schematic view of the second stand, left clamp, cross bar, right clamp, second jack, first conduit, measuring cup, second conduit, and third conduit of fig. 1.

The reference numbers in the figures mean: 1-a base; 101 — a third support; 2, a pressure testing cylinder body; 201-exhaust valve; 202-a blind plate; 203 — a first type nipple; 204 — a second type of nipple; 205 — a nipple of the third type; 206-type four nipple; 207-communicating pipe; 3, debugging equipment for power pressure test; 301-manual pressure test pump; 302-air compressor; 303-high pressure cleaner; 4, a pressure test water tank; 401-a blowdown valve; 5-high pressure pipe; 6, connecting pipes; 7-high pressure hose; 8-a first flange; 9-a handrail; 10-a moving wheel; 11 — a first support; 12-a first jack; 13-an upper platen; 131-an upper fixed seat; 132 — upper locking screw; 133-a gasket; 134-positioning groove; 14-a lower press plate; 141-lower fixed seat; 142-lower locking screw; 143-a gasket; 15-exhaust pipe; 16-a first pressure gauge; 17-a second pressure gauge; 18-a third pressure gauge; 19-a fourth pressure gauge; 20-a horizontal support; 21-a hanger; 211-boom seat; 212 — rotating the sleeve; 213-a boom; 214-a rotating handle; 215-bolt hole rod; 217-column; 22-chain block; 23 — a second support; 231 — an upper cross bar; 232-lower cross bar; 233-left vertical bar; 234-right vertical bar; 24-a left press plate; 25-a cross bar; 26-right pressing plate; 27-a second jack; 28 — a first conduit; 29-measuring cup; 30 — a second conduit; 31 — a third conduit; 32-a reinforcing rod; 33-a regulating valve; 34-a control valve; 35-a valve to be inspected; 351-port flange; 352-blocking plate; 36-fifth pressure gauge; 37-temporary water source input pipe; 38 — a second flange; 39 — a third flange; 40-a blind plate; 41-pressure relief valve; 42-sixth pressure gauge.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should also be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 8: the utility model relates to a multi-functional skid-mounted formula valve pressure testing, debugging complete sets.

The device comprises a base 1, a pressure testing cylinder 2, a power pressure testing debugging device 3, a pressure testing water tank 4, a high-pressure pipe 5, a connecting pipe 6, a high-pressure hose 7 and a first flange 8,

the upper surface of the base 1 is provided with the pressure test barrel 2, the pressure test water tank 4 and the power pressure test debugging equipment 3. Wherein, the base 1 is a plate-shaped structure.

The left end part of the pressure testing barrel 2 is of a blind structure, the right end part is communicated with the power pressure testing debugging equipment 3 through a high-pressure pipe 5, a first pressure gauge 16, an exhaust valve 201 and a plurality of first pressure testing interfaces are arranged on the barrel body of the pressure testing barrel 2,

the pressure test water tank 4 is communicated with the power pressure test debugging equipment 3 through a connecting pipe 6,

the high-pressure hoses 7 are multiple and are determined according to the number, the model and the specification of the valves 35 to be inspected. A pipe orifice at one end of the high-pressure hose 7 is communicated with a first pressure test interface of the pressure test barrel 2 in a detachable structure mode, a first flange 8 with different types and different specifications can be arranged at a pipe orifice at the other end of the high-pressure hose 7, (specifically, a blind plate is selected, a plurality of connecting holes are formed in the periphery of the side surfaces of the blind plate and the first flange 8 and are connected together through connecting pieces such as bolts, a hose joint connected with the pipe orifice at the other end of the high-pressure hose 7 is formed in the center of the blind plate, and a threaded structure is formed between the hose joint and the pipe orifice at the other end of the high-pressure hose 7 (which is far away from one side of the pressure test barrel 2) so as to be connected together conveniently to adapt to the connection of valves to be tested with different; the first pressure test interface of the cylinder body corresponds to one end port of the high-pressure hose 7. In this embodiment, utilize the steel sheet preparation pressure testing water tank 4, be provided with the blowoff valve 401 of control break-make effect on the bottom lateral wall of pressure testing water tank 4, observation window or washing window have been seted up at the top, have both been convenient for wash quality of water, the water yield in the pressure testing water tank 4 can be observed again, simultaneously can also to pour into the water source into in the pressure testing water tank 4.

The first pressure testing interface of the pressure testing cylinder 2 is connected with the third flange 39 through a fourth type nipple 206 in a welding manner (a pipe orifice at one end of the fourth type nipple 206 is connected with the first pressure testing interface in a welding manner, a pipe orifice at the other end of the fourth type nipple 206 is connected with the third flange 39 in a welding manner, and a fifth pressure gauge 36 is arranged on the fourth type nipple 206). The end of the high-pressure hose 7 communicating with the first pressure test port is provided with a blind plate 40 (for example, welded) matching with the third flange 39, the side surfaces of the third flange 39 and the blind plate 40 are respectively provided with a plurality of connecting holes corresponding to each other, and the third flange 39 and the blind plate 40 are connected together by connecting members such as bolts. The center of the blind plate 40 is provided with a hose connector, the hose connector is used for connecting a pipe orifice at one end of the high-pressure hose 7 (which means one side close to the pressure test barrel 2), and a thread structure which is used in a matched mode is arranged between the high-pressure hose 7 and the hose connector on the blind plate so as to be connected together.

In the embodiment, firstly, leftover materials of a construction site are used for manufacturing a base 1, a moving wheel 10 and a handrail 9 of the pressure testing and debugging equipment, a pressure testing main barrel body (DN 100-DN 250) and short pipes with standard flange interfaces are selected according to the specification and the quantity of pressure testing valves needed on site, the threaded short pipes and control valves 34 are welded according to the types and the models of the threaded valves, a fourth type short connecting pipe 206 is arranged on the first pressure testing interface in the horizontal direction of the pressure testing barrel body 2, a high-pressure hose 7 is arranged at the end part of the fourth type short connecting pipe 206, one end of the high-pressure hose 7, which is close to a valve 35 to be tested, is welded with a port flange 351, the other end of the high-pressure hose is welded with a blocking plate 352, the length of the high-pressure hose 7 is determined according to the distance between the stacking position of the. The valve 35 to be tested with a heavier major diameter is convenient to test on the spot, and is very convenient. The valve 35 to be tested in the pressure test is not required to be carried to a pressure test table for pressure test like the traditional pressure test equipment. A first pressure gauge 16 and an exhaust valve 201 are installed at the left end of the pressure testing barrel 2, and the first pressure gauge 16 with different measuring ranges is selected according to different pressures of the valve 35 to be tested in pressure testing. A pressure test valve blind plate 202 is manufactured by utilizing a steel plate or a standard flange (used for plugging a left end port of a pressure test cylinder 2 to form a blind structure, used for plugging a right end port of the pressure test cylinder 2, provided with a through hole on the blind plate 202, fixedly connected with the left end port of a high-pressure pipe 5 and hermetically communicated with the left end port of the high-pressure pipe 5, and used for detecting a valve 35 to be detected, specifically, one end flange of the valve 35 to be detected is butted and fixed with the high-pressure hose 7, a through hole of the other end flange is hermetically fixed by the blind plate 202 (welded or bolted, the same is applied below), or one end flange of the valve 35 to be detected is butted and fixed on a first type short connecting pipe 203 or a second type short connecting pipe 204 at the upper side of the pressure test cylinder 2, a through hole of the other end flange is hermetically fixed by the blind plate 202, and a control valve 34 and a sixth pressure gauge 42 which play a switching or pressure relief role are arranged on/off the first type short connecting pipe 203 or the second type. The specification size is determined according to the specification quantity of the pressure testing valve, and the specification quantity is reasonably distributed. The pressure testing valves are large in number and large in specification diameter, and the number of pressure testing short pipes (namely the first-type short pipes 203 and the second-type short pipes 204) and the number of blind plates 202 are correspondingly increased.

The base 1 is provided with a handrail 9 and a plurality of moving wheels 10 on the top surface. In this embodiment, the armrest 9 is disposed at a left edge of the base 1, four moving wheels 10 are respectively disposed at four corners of a lower surface of the base 1, and the four moving wheels 10 are all provided with a brake structure.

In order to facilitate the pressure testing of the valves with different testing pressure grades, pressure gauges and pressure release valves 41 are installed on flange connecting pipes of different specifications, a second pressure gauge 17 and a pressure release valve 41 are arranged between a first pressure testing interface of the pressure testing barrel 2 and the high-pressure hose 7, so that the pressure testing device is suitable for detection of the valves to be detected with different types, different specifications and different pressure grades. The valve to be inspected of different pressure grades of a plurality of specifications is simultaneously tested and detected, and each valve to be inspected can be independently tested and not influenced, so that the valve detection efficiency is improved, and the valve to be inspected is high in applicability.

Further, these first pressure testing interface be located respectively the preceding, back both sides of pressure testing barrel 2, and, these first pressure testing interface all be located same horizontal plane.

The body of the pressure testing cylinder body 2 is also provided with a plurality of second pressure testing interfaces which are divided into two types, one type of the second pressure testing interfaces is provided with a first type of short connecting pipe 203 which is vertically arranged, and the connecting end of the first type of short connecting pipe 203 can be provided with second flanges 38 of different types and different specifications so as to adapt to the connection of valves to be tested of different types and different specifications; and a second nipple which is vertically arranged is arranged on the other type of second pressure test interface, and the end part of the connecting end of the second nipple is provided with an external thread. The valves with small number, small diameter and light weight suitable for the valves 35 to be tested are directly arranged on the pressure test connecting pipes (namely, the first-type short connecting pipe 203 and the second-type short connecting pipe 204, the same below) above the pressure test barrel body 2. If the valve is inconvenient to transport to the pressure test platform manually, the valve can also be hoisted to the pressure test cylinder 2 by using the chain block 22 or the electric block to be installed in place. When the specification and the model of the valve 35 to be tested are more, the pressure testing barrel 2 cannot be provided with so many flanged connection pipes at one time, and the pressure testing period is not favorable to be shortened, the valve 35 to be tested can be firstly arranged in the valve 35 to be tested, the valve 35 to be tested can be arranged on the flanged connection pipes in a large number of the types, after the pressure testing of the valve 35 to be tested is completed in the type with the large number of the types, the flanged connection pipes of the part are cut off, and the flanged connection pipes of other models are replaced and welded so as to adapt to other remaining valves 35 to be tested which are not subjected to pressure testing, and all the valves 35 to be tested are subjected to pressure testing and. Further, the second pressure test interface is located on the upper side of the pressure test barrel 2.

The device also comprises a first bracket 11, a first jack 12, an upper pressure plate 13, a lower pressure plate 14 and an exhaust pipe 15,

a first jack 12 is vertically arranged on the first support 11 (the first jack 12 is a hydraulic or pneumatic jack and can be driven by an external hydraulic power source or an air source), the movable end of the first jack 12 is provided with the upper pressure plate 13, the upper pressure plate 13 is provided with the exhaust pipe 15, one end pipe orifice of the exhaust pipe 15 is positioned on the lower surface of the upper pressure plate 13, the other end pipe orifice penetrates through the upper pressure plate 13 and extends out of the peripheral side wall surface of the upper pressure plate 13 or the upper surface of the upper pressure plate 13, a third pressure test interface is arranged on the barrel body of the pressure test barrel 2, a third type nipple 205 which is vertically arranged is arranged on the third pressure test interface, the top end port of the third type nipple 205 is provided with the lower pressure plate 14 which is vertically aligned with the upper pressure plate 13 (the upper surface of the lower pressure plate 14 is provided with a through hole communicated with the third type nipple 205), to form a space for assembling a valve to be inspected between the upper and lower pressing plates 13 and 14; control valves 34 for controlling on-off are arranged on the holes at the other end of the exhaust pipe and on the third-class short connecting pipe 205; a fourth pressure gauge 19 is arranged on the third type of nipple 205, and a control valve 34 for controlling on-off is arranged between the fourth pressure gauge 19 and the third type of nipple 205.

When the first jack 12 is driven, the upper press plate 13 can move in a direction close to the lower press plate 14 or in a direction away from the lower press plate 14. In this embodiment, the socket welded valve is configured to tightly hold the valve 35 to be tested under pressure test between the upper pressure plate 13 and the lower pressure plate 14 by mutually matching the first jack 12, the upper pressure plate 13, the lower pressure plate 14 and the sealing rings thereon [ i.e. the input port of the valve 35 to be tested is crimped in the positioning groove 134 of the upper pressure plate 13 or the positioning groove of the lower pressure plate 14, and the output port is crimped in the positioning groove 134 of the lower pressure plate 14 or the upper pressure plate 13 ]. By observing the fourth pressure gauge 19, the air compressor 302 is started to perform the strength test of the valve 35 to be tested, after the test is completed, the handle of the valve is opened, the air in the valve is exhausted through the exhaust pipe 15 of the upper pressure plate 13 and the control valve 34 thereof, the control valve 34 on the exhaust pipe 15 is closed after the air is exhausted, and the pressure test pumps (manual [ manual pressure test pump 301] and electric [ high-pressure cleaning machine 303 ]) are started to perform the sealing performance test.

Furthermore, the lower surface of the upper pressure plate 13 and the upper surface of the lower pressure plate 14 are both provided with a positioning groove, the inner wall surface of the positioning groove is formed by a plurality of circles of concentrically arranged annular steps with different diameters, and the diameters of the annular steps are gradually reduced from the groove opening of the positioning groove to the bottom direction of the positioning groove, so that the valve 35 to be detected is pressed between the upper pressure plate and the lower pressure plate better and tightly (polytetrafluoroethylene sealing gaskets (133, 143) are arranged on the groove conical sealing seat, and the sealing leakage of the end part of the valve connecting pipe is ensured; a nozzle at one end of the exhaust pipe 15 is located at a central position in the positioning groove 134 of the upper platen 13, and a nozzle at the other end passes through the upper platen 13 and extends out of a peripheral side wall surface of the upper platen 13 or an upper surface of the upper platen 13. Through the design of the annular ladder, the valves 35 to be inspected with different types and different specifications can be tested by matching with the sealing ring (each annular ladder corresponds to one type of the valves 35 to be inspected).

Further, fixing structures for fixing the valve to be detected are arranged on the lower surface of the upper pressure plate 13 and the upper surface of the lower pressure plate 14. To ensure the stability of the valve 35 to be checked after installation. The fixing structure of the lower surface of the upper pressing plate 13 mainly comprises two upper fixing seats 131 and two upper locking screws 132, the two upper fixing seats 131 are symmetrically arranged on the lower surface of the upper pressing plate 13 on two sides of the positioning groove 134, the two upper fixing seats 131 are respectively and correspondingly provided with one threaded hole matched with the upper locking screw 132, the two upper locking screws 132 are respectively and correspondingly screwed into the threaded holes of the two upper fixing seats 131, so that the two upper locking screws 132 are opposite and symmetrical, one or two upper locking screws 132 are screwed, the distance between the two upper locking screws 132 can be increased or decreased, and the connecting pipe part of the valve to be detected, which is positioned between the two upper locking screws 132, can be clamped and fixed; the fixing structure of the upper surface of the lower pressing plate 14 mainly comprises two lower fixing seats 141 and two lower locking screws 142, the two lower fixing seats 141 are symmetrically arranged on the upper surface of the lower pressing plate 14 on two sides of the positioning groove, the two lower fixing seats 141 are respectively and correspondingly provided with one threaded hole matched with the lower locking screws 142, the two lower locking screws 142 are respectively and correspondingly screwed into the threaded holes of the two lower fixing seats 141, so that the two lower locking screws 142 are opposite and symmetrical, one or two lower locking screws 142 are screwed, the distance between the two lower locking screws 142 can be increased or decreased, and a connecting pipe part of the valve to be detected, which is located between the two lower locking screws 142, can be clamped and fixed.

Further, the apparatus further includes a horizontal support member 20 (i.e. a horizontal rod), two end portions of the horizontal support member 20 are respectively provided with a guide block, the first support 11 is "ii" shaped or "arch" shaped, two sides of the first support are respectively provided with a guide slot corresponding to the guide block, the first jack 12 mainly comprises a fixed cylinder and a movable rod, a rod body of the movable rod is fixed (e.g. welded) at a middle position of the horizontal support member 20 to drive the first jack 12, the movable rod of the first jack 12 can reciprocate in the vertical direction, and meanwhile, a guide rail of the horizontal support member 20 is disposed in the guide slot and synchronously reciprocates along with the reciprocating movement of the first jack 12 along the direction of the guide slot of the first support 11;

or,

two sides of the end portion of the bottom end of the movable rod are respectively provided with (for example, welded) a horizontal support member 20, a guide rail is arranged at one end portion, close to the first support 11, of each horizontal support member 20, a guide groove matched with the guide rail is correspondingly arranged on the first support 11, and the guide rail of each horizontal support member 20 is arranged in the guide groove and synchronously reciprocates along the direction of the guide groove of the first support 11 along with the reciprocating motion of the first jack 12.

The device also comprises a hanger 21, a lifting mechanism, a second bracket 23, a left pressure plate 24, a cross bar 25, a right pressure plate 26, a second jack 27, a first conduit 28, a measuring cup 29, a second conduit 30 and a third conduit 31,

the hanger 21 is installed on the base 1, the lifting end of the hanger 21 is connected with the second bracket 23 through a lifting mechanism,

the left press plate 24 is fixedly connected (e.g., welded) to the second bracket 23 by a cross bar 25. The right pressing plate 26 is connected to the second bracket 23 through a second jack 27 (the second jack 27 is a hydraulic or pneumatic jack, and can be driven by an external hydraulic power source or an air source) to form a space for assembling a valve to be tested between the left pressing plate 24 and the right pressing plate 26, the first conduit 28 is disposed on the left pressing plate 24, a nozzle at one end is located on the right side surface of the left pressing plate 24, a nozzle at the other end passes through the left pressing plate 24 and extends out of the left side surface of the left pressing plate 24, and the nozzle at the other end is vertically arranged upwards, the measuring cup 29 is fixed (for example, welded) on the second bracket 23 or the cross bar 25, and reinforcing ribs are welded on the measuring cup 29 and the second bracket 23 or between the measuring cup 29 and the cross bar 25 for increasing stability.

A control valve 34 for controlling on-off is arranged on the tube body of the first conduit 28, a tube opening at one end of the second conduit 30 is communicated with the conduit part of the first conduit 28, which is positioned between the control valve 34 on the first conduit 28 and the left pressure plate 24, a tube opening at the other end is arranged in the measuring cup 29, and a control valve 34 for controlling on-off is arranged on the tube body of the second conduit 30,

the third pipe 31 sets up on the right side clamp plate 26, the one end mouth of pipe is located on the left surface of right side clamp plate 26, the other end mouth of pipe passes right side clamp plate 26 extends right side clamp plate 26, and with the pressure testing barrel 2 intercommunication, or with power pressure testing debugging equipment 3 intercommunication, or with high-pressure pipe 5 intercommunication, and be provided with the control valve 34 that plays the control break-make effect on this third pipe 31's the pipe shaft.

Further, a fourth conduit is communicated with a conduit part of the third conduit 31 between the control valve 34 of the third conduit 31 and the pressure test cylinder 2, and a third pressure gauge 18 and a regulating valve 33 are arranged on the fourth conduit, or a fourth conduit is communicated with a conduit part of the third conduit 31 between the control valve 34 of the third conduit 31 and the power pressure test debugging device 3, and a third pressure gauge 18 and a regulating valve 33 are arranged on the fourth conduit, or a fourth conduit is communicated with a conduit part of the third conduit 31 between the control valve 34 of the third conduit 31 and the high pressure pipe 5, and a third pressure gauge 18 and a regulating valve 33 are arranged on the fourth conduit.

Further, the hanger 21 mainly comprises a hanger base 211, a rotating sleeve 212 and a hanger rod 213, the hanger base 211 is fixedly connected to the upper surface of the base 1, the rotating sleeve 212 is of a hollow structure, the bottom of the rotating sleeve is fixedly connected to the hanger rod base 1, the hanger rod is of a curved shape, the bottom end of the hanger rod is fixed in the rotating sleeve in a large sleeve and small tube mode, a ring-shaped plate 216 is arranged on the large sleeve, a positioning pin hole is processed on the ring-shaped plate 216, a pin hole rod 215 is welded on the hanger rod 213, the hanger rod 213 is inserted into the rotating sleeve 212, the pin hole rod 215 can be correspondingly inserted into one positioning pin hole on the ring-shaped plate 216, so that the hanger rod is limited to rotate in the rotating sleeve along the circumferential direction, and when the angle of the hanger rod 213 needs to be rotated, the rotating handle 214 is lifted and rotated, so that the rotation of the hanger rod. Or, the bottom end of the suspender is fixed in the rotary sleeve in a mode of a large sleeve and a small pipe, an annular plate 216 is arranged on the large sleeve, positioning pin holes are processed on the annular plate 216, a pair of pin holes are welded and inserted vertically on the suspender 213, the pin hole rods 215 are sequentially inserted into the two pin holes from top to bottom, and after the suspender 213 is inserted into the rotary sleeve 212, the pin hole rods 215 can sequentially penetrate through the two pin holes from top to bottom and then correspondingly inserted into one positioning pin hole on the annular plate 216, so that the suspender is limited to rotate in the rotary sleeve along the circumferential direction. When the angle of the suspension rod 213 needs to be rotated, the latch hole rod 215 is pulled out upward, and the rotation handle 214 is rotated, thereby rotating the suspension rod 213. And positioning and fixing or not positioning the pin holes according to the actual required angle. In order to ensure the strength, the annular plate is welded with the base of the equipment through the upright column 217, the top end of the suspension rod 213 is provided with a lifting hook, and the second bracket 23 is hung on the lifting hook of the suspension rod 213 through a lifting mechanism (namely, the chain block 22 is hung on the lifting hook of the suspension rod 213). The hanger rod 213 is made of a material such as a seamless steel pipe (DN 150) steel plate by a gas welding tool or the like.

Further, the lifting mechanism is a chain block 22.

Further, the second support 23 mainly comprises an upper cross bar 231, a lower cross bar 232, a left vertical bar 233 and a right vertical bar 234,

the left end of the upper cross bar 231 is fixedly connected with the top of the left vertical bar 233, the right end is fixedly connected with the top of the right vertical bar 234, and a hook is arranged (for example, welded) in the middle of the upper cross bar 231 and used for hanging the hook of the chain block 22 on the hook of the upper cross bar 231.

The bottom of the left vertical rod 233 is connected with the bottom of the right vertical rod 234 through a detachable structure, so that the lower cross rod 232 is connected with the left vertical rod 234. In this embodiment, through holes are formed at the end portions of the two ends of the lower cross bar 232, pin holes matched with the through holes of the lower cross bar 232 are formed at the bottom of the left vertical bar 233 and the bottom of the right vertical bar 234, two positioning pins are used for fixing, one positioning pin is inserted into the through hole at the end portion of the left end of the lower cross bar 232 and the pin hole at the bottom of the left vertical bar 233, and the other positioning pin is inserted into the through hole at the end portion of the right end of the lower cross bar 232 and the pin hole at the bottom of the right vertical bar 234.

The left end of the cross rod 25 is connected to the left vertical rod 233, the right end is fixedly connected to the left press plate 24, and a reinforcing rod 32 is arranged between the cross rod 25 and the upper cross rod 231 to ensure the stability of the left press plate 24

The right end of the second jack 27 is fixedly connected to the right vertical rod 234, and the left end is fixedly connected to the right pressing plate 26.

Pressure testing barrel 2 passes through third support 101 to be installed on the base 1, third support 101 is two, is "II" type or "hunch" type. The roots of the two sides of the third support 101 are connected to the upper surface of the base 1 through bolts and other connecting modes, the pressure test cylinder 2 is welded to the two third supports 101 in a welding mode, and the two third supports 101 are respectively located at the end parts of the two ends of the pressure test cylinder 2.

The power pressure test debugging equipment 3 comprises a manual pressure test pump 301, an air compressor 302 and a high-pressure cleaning machine 303 (the manual pressure test pump 301, the air compressor 302 and the high-pressure cleaning machine 303 are provided with a pressure gauge and a control valve which is matched with the pressure gauge and plays a role in controlling on-off), the manual pressure test pump 301, the air compressor 302 and the high-pressure cleaning machine 303 can be mutually switched and used, and the high-pressure cleaning machine 303, the manual pressure test pump 301 and the air compressor 302 are fixed on a pressure test and pressure regulating equipment base 1 through parts such as bolts.

The left end pipe orifice of the high-pressure pipe 5 is communicated with the pressure testing barrel 2, the right end pipe orifice is respectively communicated with the manual pressure testing pump 301, the air compressor 302 and the high-pressure cleaning machine 303 through a four-way joint,

control valves 34 for controlling on-off are arranged on the pipe body of the high-pressure pipe 5, on the pipelines between the four-way joint and the manual pressure test pump 301, between the four-way joint and the air compressor 302 and between the four-way joint and the high-pressure cleaning machine 303,

a pipe orifice at one end of the connecting pipe 6 is communicated with the pressure test water tank 4, a pipe orifice at the other end is respectively communicated with the manual pressure test pump 301 and the high-pressure cleaning machine 303 through a three-way joint,

control valves 34 for controlling on-off are arranged on the pipelines between the three-way joint and the manual pressure test pump 301 and between the three-way joint and the high-pressure cleaning machine 303,

or, the connecting pipe 6 is two, the first 6 one end mouth of pipe of connecting pipe with 4 intercommunications of pressure testing water tank, the other end mouth of pipe with manual pressure testing pump 301 intercommunication, the second is 6 one end mouth of pipe of connecting pipe with 4 intercommunications of pressure testing water tank, the other end mouth of pipe and high pressure cleaner 303 intercommunication to set up the control valve 34 that plays the control break-make effect on the pipe body of first connecting pipe 6 and the pipe body of the second connecting pipe 6. The above-mentioned connecting tube 6 may be replaced with a rubber hose.

Further, the pressure test cylinder 2 is communicated with the pressure test water tank 4 through a communication pipe 207, and a control valve 34 for controlling on-off is arranged on a pipe body of the communication pipe 207.

The high-pressure cleaning machine comprises a cleaning machine body, a high-pressure hose and a connecting piece, wherein a pipe orifice at one end of the high-pressure hose is communicated with the cleaning machine body, a pipe orifice at the other end of the high-pressure hose is communicated with the high-pressure hose through the connecting piece, and the high-pressure cleaning machine replaces the existing electric pressure test pump. The connecting piece mainly comprises a blind plate and a flange, wherein a through hole is formed in the center of the blind plate, and a threaded joint is welded on the through hole; the flange is welded to the high-pressure pipe. During installation, the original gun head at the output end of the high-pressure hose of the high-pressure cleaning machine is disassembled, and then the output end of the high-pressure hose is provided with the threaded connector (for example, the threaded connector is tightly hooped at the output end of the high-pressure hose of the high-pressure cleaning machine through the hoop), so that the threaded connector on the blind plate is in threaded connection with the output end of the high-pressure hose of the high-pressure cleaning machine. And a plurality of connecting holes are formed in the periphery of the side surface of the blind plate and are in one-to-one correspondence with the connecting holes of the flange, and the blind plate is connected with the flange through threaded connecting pieces such as bolts.

According to the construction specification, the construction scheme, the site construction condition and the valve test pressure, if the air pressure test is required, the pressure test pump (the high-pressure cleaning machine 303 and the manual pressure test pump 301) is turned off during the test, the water inlet hose (namely, the third conduit 31) is connected with the valve 35 to be tested, the air compressor 302 is started, and the air pressure test is carried out.

To the pressure testing and the debugging of governing valve, put pressure testing and debugging valve, dismantle bottom rail 232 utilizes second jack 27 left clamp plate 24 right clamp plate 26 will adjust the valve top tightly on this pressure testing, debugging equipment examination, then resets bottom rail 232 installation (avoid the drive behind the second jack 27, left side montant 233 the relative distance grow between the right side montant 234). After accomplishing, close examine valve 35 (promptly through handheld signal generator, the switch of governing valve is in the closed condition, make governing valve inner chamber falls into left end inner chamber and right-hand member inner chamber), through third pipe 31 with the pressure testing water flow in to examine valve 35 (should examine valve 35 and indicate the governing valve) internal (promptly pressure testing rivers go into the right-hand member inner chamber of governing valve), start pressure testing pump (manual pressure testing pump 301, or high pressure cleaner 303), carry out valve leak test, observe graduated flask 29. When no water leaks from the measuring cup 29 or the leakage amount of the leaked water reaches the specification, the water is determined to be qualified.

After the detection is finished, a control switch of the regulating valve is opened through a handheld signal generator (the purpose is to provide temporary power supply for the regulating valve [ the valve to be detected ]), the pressure test water flows into the other end of the valve to be detected 35 (namely, the left end inner cavity of the regulating valve), the control valve 34 on the first conduit 28 is opened, the air in the valve body to be detected is completely discharged from the first conduit 28, and the control valve 34 (namely, the exhaust valve) on the first conduit 28 is closed after the air is completely discharged.

The pressure test pump is started (i.e., the air compressor 302 is started), and the strength and the sealing performance of the valve 35 to be tested are tested.

After the pressure test is finished, the pneumatic leakage test of the regulating valve [ the valve to be tested ] and the debugging of the instrument control switch are carried out, and a hand-held signal generator is used. The third conduit 31 and the control valve 34 thereof are opened first, the air compressor 302 is started, the air source required for detection is provided for the controller in the valve 35 (regulating valve) to be detected by controlling the regulating valve 33 (namely, pressure reducing regulating valve) on the fourth conduit and the third pressure gauge 18 (namely, high-precision pressure gauge), then the third conduit 31 and the control valve 34 thereof are closed, the control valve 34 on the second conduit 30 is opened, the measuring cup 29 (half cup of water is introduced before the air pressure test in the measuring cup 29, the leakage pipe end is ensured to be completely soaked by the water) is observed, if the leakage condition exists, the air bubbles in the measuring cup 29 are counted, and whether the air bubbles are qualified or not is judged according to the specification and the pressure test scheme. If the bubble count in the measuring cup 29 meets the specification and the pressure test scheme, the counting is judged to be qualified.

After the pressure test of the valve 35 to be tested (here, the regulating valve to be tested) is qualified, the air compressor 302 is continuously utilized to input the air source, the regulating valve 33 (namely, a pressure reducing regulating valve) on the fourth conduit and the third pressure gauge 18 (namely, a high-precision pressure gauge) are controlled, then the air source with required pressure is input to the controller of the pneumatic regulating valve, the current required by the regulating valve is input through the handheld signal generator, the control system of the regulating valve is debugged and tested, and the valve 35 to be tested is guaranteed to be capable of regulating the flow switch according to the designed requirement. The purpose of debugging and testing is achieved.

1. The pressure testing device is simple in structure, wide and convenient to use, convenient to move, complete in function, simple to manufacture, high in efficiency, low in cost, short in manufacturing time, few in auxiliary pressure testing equipment, simple in manpower, capable of completing operation, and suitable for various occasions, various construction environments and various pressure levels.

2. In the embodiment, the defects that the valve pressure testing complete device purchased (produced) by the existing market and valve manufacturers is complex to manufacture, needs to be produced by professional manufacturers, is large in equipment volume, heavy and high in cost, has a relatively long purchasing period, needs to be maintained for a long time after pressure testing is finished, occupies a warehouse site and is very inconvenient to transport and transport are overcome. This pressure testing device simple manufacture, the cost is lower, can dismantle the transportation and reassemble or scrap the processing according to later stage live time, place condition valve pressure testing completion after, key reuse's spare part save the transportation can, it is very convenient to make again, assemble low cost.

3. In this embodiment, adopt high-pressure hose 7 and mobilizable base 1, it is single to have overcome valve pressure testing complete sets pressure testing function usage on the existing market, can't carry out the governing valve (wait to examine the valve) debugging, can't carry out the pressure testing to the screw valve, can't carry out many specifications simultaneously, the valve pressure testing work of polytypic, efficiency is not high. The invention overcomes the defect that other large-diameter valves (DN 250 and above) of the pressure test device are required to be provided with standard part flanges with the same specification as the pressure test valves. The diameter of the pressure testing cylinder 2 of the other pressure testing devices is larger than the diameter of the pressure testing valve (for example, DN500-600 valve is tested, the diameter of the distribution pipe of the main pressure testing cylinder is at least DN600 and above), the manufacturing cost and the manufacturing period are reduced, the volume and the weight of the device are reduced, and the device is convenient to move.

4. In the embodiment, the hanging bracket 21 and the upgrading mechanism are adopted, so that the problem that the pressure test of the large-diameter valve by valve pressure test complete equipment in the market needs a crane and a motor forklift to be matched for a long time, and the matching cost, namely the labor cost and the material cost are high is solved; equipment is heavier, removes the transportation inconvenience, reduces pressure testing efficiency.

5. In this embodiment, a hanger 21, a lifting mechanism, a second bracket 23, a left pressure plate 24, a cross bar 25, a right pressure plate 26, a second jack 27, a first conduit 28, a measuring cup 29, a second conduit 30 and a third conduit 31 are adopted, the hanger 21 is installed on the base 1, the lifting end of the hanger 21 is connected with the second bracket 23 through the lifting mechanism, the left pressure plate 24 is fixedly connected on the second bracket 23 through the cross bar 25, the right pressure plate 26 is connected on the second bracket 23 through the second jack 27 so as to form a space for assembling a valve to be tested between the left pressure plate 24 and the right pressure plate 26, the first conduit 28 is arranged on the left pressure plate 24, a pipe orifice at one end is positioned on the right side surface of the left pressure plate 24, a pipe orifice at the other end passes through the left pressure plate 24 and extends out of the left side surface of the left pressure plate 24, and the pipe orifice is arranged vertically upwards, the measuring cup 29 is fixed on the second bracket 23 or the cross bar 25, the tube body of the first conduit 28 is provided with a control valve 34 for controlling on-off, the second conduit 30 has a nozzle at one end communicating with a conduit portion of the first conduit 28 located between the control valve 34 and the left press plate 24 on the first conduit 28, and a nozzle at the other end disposed in the measuring cup 29, and, the tube body of the second conduit 30 is provided with a control valve 34 for controlling on-off, the third conduit 31 is arranged on the right pressing plate 26, the tube orifice at one end is positioned on the left side surface of the right pressing plate 26, the tube orifice at the other end passes through the right pressing plate 26 and extends out of the right side surface of the right pressing plate 26, and is communicated with the pressure testing cylinder 2, or communicated with the power pressure testing debugging equipment 3, or communicated with the high-pressure pipe 5, the body of the third conduit 31 is provided with a control valve 34 for controlling on/off. The pipe part of the third pipe 31 between the control valve 34 of the third pipe 31 and the pressure testing cylinder 2 is communicated with a fourth pipe, the fourth pipe is provided with a third pressure gauge 18 and a regulating valve 33, or the pipe part of the third pipe 31 between the control valve 34 of the third pipe 31 and the power pressure testing debugging equipment 3 is communicated with a fourth pipe, the fourth pipe is provided with a third pressure gauge 18 and a regulating valve 33, or the pipe part of the third pipe 31 between the control valve 34 of the third pipe 31 and the high pressure pipe 5 is communicated with a fourth pipe, and the fourth pipe is provided with a third pressure gauge 18 and a regulating valve 33. The device overcomes the defects that other similar field pressure test devices can not simultaneously carry out valve air pressure test and water pressure test and can not carry out debugging work of the regulating valve (the valve to be tested).

6. In the embodiment, the defect that other similar field pressure testing devices have relatively few pressure testing specifications and types is overcome, the defect that other pressure testing devices need to install all pressure testing valves on a pressure testing platform, the pressure testing valves need to be disassembled after installation and pressure testing are finished and placed according to the specification and the position of the original classification type, the workload is large, the labor intensity is high, the large-diameter valves need to be lifted by a forklift, a crane and carried, large manpower and material resources are needed, and the construction period is relatively long. The pressure testing and debugging equipment can be stacked on site, can be slightly moved and can be 20-30m away from the stacking position of the valve.

7. In the embodiment, the device overcomes the defects that other similar field pressure testing devices are single in function, cannot test pressure of socket welding valves and high-pressure valves (RF plane flanges and RJ octagonal gasket flanges), and can test and debug the strength and the sealing performance of flange type, welding type and thread type valves and specifications (the specification, model and size determine a manufacturing scheme according to the size of the valve needing pressure testing). The valves include all conventional valves such as gate valves, stop valves, ball valves, butterfly valves, check valves, electric (pneumatic) regulating valves, safety valves, diaphragm valves, plug valves, angle valves and the like. The pressure testing and debugging equipment has very wide testing pressure and can be realized according to the design and the specification requirements.

8. In the embodiment, the manual pressure test pump 301, the air compressor 302 and the high-pressure cleaning machine 303 are used in a matched mode, the defect that other valve pressure test devices cannot simultaneously perform residual water blow-drying protection on a valve subjected to pressure test is overcome, residual water drops exist in the valve and the sealing surface after the pressure test of the valve is completed, the residual water can cause corrosion on the sealing surface and the inside of the valve body, impurities such as sand and dust are adsorbed, the sealing surface of the flange and the sealing structure in the valve body can be failed, and the precision valve is even scrapped. After other pressure testing devices are not needed for pressure testing, a gas source pipeline or the movable air compressor 302 is independently connected for residual water blow-drying protection.

9. In the embodiment, the pressure testing barrel 2, the pressure testing water tank 4 and the power pressure testing debugging equipment 3 are communicated with each other, so that the defect that the pressure testing water cannot be recycled in a common valve pressure testing device is overcome, and the device can achieve the purposes of recycling the pressure testing water, achieving green construction and maximally saving the cost.

10. In the embodiment, the defects that other pressure test devices are high in pressure test pump (electric) cost, a special pressure test pump needs to be purchased, and the universality is not strong are overcome, and the device provided by the invention utilizes the high-pressure cleaning machine 303 to replace the pressure test pump and only needs to refit part of parts of the cleaning machine. The high-pressure cleaning machine 303 (car washer) is utilized on site in construction sites, has multiple purposes, does not need to be purchased specially, can continue other purposes after construction is completed, and can maximally save cost.

11. In this embodiment, overcome all the other complete sets of pressure testing equipment power interruption or temporary power supply temporarily can't provide the defect just can't work, two kinds of pressure testing tools are installed to this device, and manual pressure testing pump 301 (do not need the power) and high pressure cleaner 303 are according to pressure testing valve size, quantity, job site environmental condition, the free choice to guarantee not receive the influence of power interruption.

In addition, the pipeline fittings (such as a control valve, a stop valve, an exhaust valve, a pipe fitting and the like) of the pressure test and debugging equipment are preferably more than 1.5 times of the nominal pressure of the valve 35 to be tested, so that pressure test and debugging errors are avoided; in order to ensure the sealing performance of each connection, a sealing ring is additionally arranged at each connection part; the pressure test and debugging equipment is also provided with a temporary water source input pipe 37, one end pipe orifice of the temporary water source input pipe 37 is connected with an external water source, and the other end pipe orifice is connected to the high-pressure pipe 5 through a tee pipe fitting, or connected to the pressure test water tank 4, or connected to the manual pressure test pump 301 and the high-pressure cleaning machine 303 so as to supply water for the pressure test and debugging equipment; in the process of pressure test and debugging of the valve 35 to be inspected, the control valve 34 of the pressure test and debugging device is opened or closed according to the pressure test requirement (the control valve 34 can be a ball valve, a gate valve and the like).

The test requirements are as follows: the pressure test of the valve 35 to be tested needs to be performed with a strength test and a sealing test (a regulating valve needs to be debugged by a control system.) according to the specification, and the pressure, the upper sealing and the sealing test of the shell are performed. The valves with the upper sealing structure (except the bellows valve) should be tested for the upper sealing. For the shell pressure test, the upper sealing test and the high-pressure sealing test, the testing medium is selected to be clean water, and the low-pressure sealing testing medium is selected to be compressed air. When the austenitic stainless steel valve is inspected, drinking water or chloride ion content should not exceed 100 mg/L. The test medium temperature should not exceed 50 ℃.

And (3) coating anti-rust oil on a flange sealing surface, a welding groove and the like at the end of the valve 35 to be tested, and not coating paint. The pressure gauge for inspection is qualified and used in the period of periodic inspection, the precision is not lower than 1.5 grade, and the full scale value of the pressure gauge is preferably 1.5-2 times of the maximum pressure to be detected.

In the process of pressure testing of the cut-off valve, the holding time generally conforms to the highest duration required in the specification, for example, the shell pressure maintaining time is 300s, and the sealing pressure maintaining time is 120 s.

During the shell test, the valve ball is in a semi-closed state, the flow channel and the valve ball are filled with media, and no visible leakage exists at each sealing point when the shell test is carried out.

During the sealing (inner leakage) test, the valve ball is filled with a medium, the valve ball is in a fully closed state, and the leakage condition of the opening end is observed and detected.

The valve qualified in the test is used for draining accumulated water inside in time and is dried by the air compressor 302. Valve for removing need of degreasing

And besides, the sealing surface is coated with anti-embroidery oil, a valve is closed, an entrance and an exit are sealed, an obvious mark is made, and a valve test record is filled according to a format specified in article A.0.1 of appendix A of specification GB 50235-2010.

The gate valve with nominal pressure less than 1Mpa and nominal diameter greater than or equal to 600mm can not be used for shell pressure test and flashboard sealing test separately. The shell pressure test is preferably carried out according to the test pressure of the pipeline system during the pressure test of the system, the flashboard sealing test can be tested by methods such as color printing, and the like, and the color printing on the joint surface is continuous.

Pressure test of casing

The strength test pressure is 1.5 times of the nominal pressure; the pressure maintaining time of the valve shell pressure is not less than 5 minutes, and the shell and the filler are qualified as being free of leakage; the blind plate 202 thickness is determined according to a pressure testing protocol.

a. The gate valve and the stop valve need to be subjected to sealing tests, and the rest valves are not subjected to sealing tests.

b. The upper seal test pressure is 1.1 times of the nominal pressure;

c. upper seal test dwell time:

the nominal diameter is less than or equal to DN50, and the pressure maintaining time is 15 seconds;

nominal diameter of 80-300, pressure maintaining time of 60 seconds;

the nominal diameter is more than or equal to 350, and the pressure maintaining time is 120 seconds;

e. when a sealing test is carried out, a cavity on one side of the detected sealing surface pair is filled with a test medium and is gradually pressurized to test pressure, and after the pressure maintaining time is reached, the leakage condition is visually inspected, and whether the sealing surface pair is qualified or not is judged according to a pressure test scheme and specifications.

When the cylinder valve is used for pressure test, the valve 35 to be tested is firstly sealed at two ends through the high-pressure hose 7 (the valve 35 to be tested with a small diameter is directly arranged on a flange short section (a first-type short connecting pipe 203 or a second broken connecting pipe) of the pressure test cylinder 2), the exhaust valve 201 on the main pipe (the pressure test cylinder) is opened, all other valves are closed, the valve body of the valve is filled with water through a temporary water pipe or a starting pressure test pump (a small number of manual pressure test pumps 301) to observe the pressure gauge, the air in the valve body is exhausted through the exhaust valve 201, after the exhaust is finished, the exhaust valve 201 is closed, the pressure is increased, the leakage of each point is detected, if the situation that the scheme is normally met, the pressure is stopped to observe the leakage condition of the valve, and the strength test is carried out.

And (5) completing the strength test and carrying out a sealing performance test. After the pressure test is completed, the drain valve 401 (drain valve) is opened to discharge the pressure test water to the pressure test water tank 4, so that the pressure test water can be recycled. And marking the unqualified valve for treatment.

The valve after pressure testing is dried by an air compressor 302 for water stain protection.

The above detailed description is only for the purpose of illustration, but not for the purpose of limitation. Although the present invention has been described in detail with reference to the specific embodiments thereof, it will be understood by those skilled in the art that: the above-mentioned specific technical solutions can still be modified, or some technical features thereof can be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the present invention in its essence.

Claims

1. The utility model provides a multi-functional skid-mounted formula valve pressure testing, debugging complete sets which characterized in that:

the device comprises a base, a pressure test barrel, a power pressure test debugging device, a pressure test water tank, a high-pressure pipe, a connecting pipe, a high-pressure hose and a first flange,

the upper surface of the base is provided with the pressure test cylinder body, the pressure test water tank and the power pressure test debugging equipment,

the left end part of the pressure testing barrel is of a blind structure, the right end part of the pressure testing barrel is communicated with the power pressure testing debugging equipment through a high-pressure pipe, a first pressure gauge, an exhaust valve and a plurality of first pressure testing interfaces are arranged on the barrel body of the pressure testing barrel,

the pressure test water tank is communicated with the power pressure test debugging equipment through a connecting pipe,

the high-pressure hoses are multiple, the specific quantity is determined according to the specification and quantity of the pressure testing valves, the pipe orifice at one end is communicated with the first pressure testing interface of the pressure testing cylinder body in a detachable structure mode, the pipe orifice at the other end can be provided with first flanges of different types and different specifications so as to adapt to the connection of the valves to be tested of different types and different specifications,

the base is provided with a handrail, and the top surface of the base is provided with a plurality of moving wheels; the first pressure test interface of the cylinder body corresponds to one end port of the high-pressure hose one to one.

2. The complete set of multifunctional skid-mounted valve pressure test and debugging equipment of claim 1, which is characterized in that: first pressure testing interface of pressure testing barrel with be provided with second pressure table and exhaust relief valve between the high pressure hose to what adapt to different grade type, different specifications, different pressure grades waits to detect the detection of valve, these first pressure testing interface be located respectively the preceding, the back both sides of pressure testing barrel, and, these first pressure testing interface all be located same horizontal plane.

3. The complete set of multifunctional skid-mounted valve pressure test and debugging equipment of claim 1, which is characterized in that:

the body of the pressure testing cylinder body is also provided with a plurality of second pressure testing interfaces,

the second pressure test interfaces are divided into two types, a first type of short connecting pipe which is vertically arranged is arranged on one type of second pressure test interface, and second flanges with different types and different specifications can be arranged at the connecting end of the first type of short connecting pipe so as to adapt to the connection of valves to be tested with different types and different specifications; and a second nipple which is vertically arranged is arranged on the other type of second pressure test interface, and the end part of the connecting end of the second nipple is provided with an external thread.

4. The complete set of multifunctional skid-mounted valve pressure test and debugging equipment of claim 1, which is characterized in that:

the equipment also comprises a first bracket, a first jack, an upper pressure plate, a lower pressure plate, an exhaust pipe, a fourth pressure gauge and a control valve,

a first jack is vertically arranged on the first bracket, the movable end of the first jack is provided with the upper pressure plate, the upper pressure plate is provided with the exhaust pipe, a pipe orifice at one end of the exhaust pipe is positioned on the lower surface of the upper pressure plate, a pipe orifice at the other end of the exhaust pipe penetrates through the upper pressure plate and extends out of the peripheral side wall surface of the upper pressure plate or the upper surface of the upper pressure plate,

a third pressure testing interface is arranged on the barrel body of the pressure testing barrel body, a third type of short connecting pipe which is vertically arranged is arranged on the third pressure testing interface, a lower pressure plate which is vertically aligned with the upper pressure plate is arranged at the top end port of the third type of short connecting pipe, and a through hole communicated with the third type of short connecting pipe is formed in the upper surface of the lower pressure plate so as to form a space for assembling a valve to be tested between the upper pressure plate and the lower pressure plate; control valves for controlling on-off are arranged on the hole at the other end of the exhaust pipe and the third type of short connecting pipe, a fourth pressure gauge is arranged on the third type of short connecting pipe, and a control valve for controlling on-off is arranged between the fourth pressure gauge and the third type of short connecting pipe;

the first jack is driven, and the upper pressing plate can move towards the direction close to the lower pressing plate or move towards the direction far away from the lower pressing plate.

5. The complete set of multifunctional skid-mounted valve pressure test and debugging equipment of claim 4, wherein:

the lower surface of the upper pressure plate and the upper surface of the lower pressure plate are both provided with positioning grooves, the inner wall surface of each positioning groove is composed of a plurality of circles of concentrically arranged annular steps with different diameters, the diameters of the annular steps are gradually reduced from the groove openings of the positioning grooves to the bottom direction of the positioning grooves, the annular steps are conical inwards concave sealing seats, the annular steps are suitable for valves with different diameters and guarantee sealing effects, polytetrafluoroethylene sealing gaskets with different diameters are mounted on the sealing seats, and after the valves are tightly pressed in working, the valve ports are completely guaranteed not to leak water or gas, wherein one end pipe opening of the exhaust pipe is located at the central position in the positioning groove of the upper pressure plate, and the other end pipe opening penetrates through the side wall of the upper pressure plate and extends out the peripheral surface of the upper pressure plate or the upper surface of the upper pressure plate.

6. The complete set of multifunctional skid-mounted valve pressure test and debugging equipment of claim 4, wherein:

the lower surface of the upper pressure plate and the upper surface of the lower pressure plate are both provided with a fixing structure for fixing the welding type valve to be detected,

the fixing structure of the lower surface of the upper pressure plate mainly comprises an upper fixing seat and an upper locking screw rod,

the two upper fixing seats are symmetrically arranged on the lower surfaces of the upper pressure plate at the two sides of the positioning groove, the two upper fixing seats are respectively and correspondingly provided with a threaded hole matched with the upper locking screw rod,

the two upper locking screw rods are respectively and correspondingly screwed into the threaded holes of the two upper fixing seats, so that the two upper locking screw rods are opposite and symmetrical,

screwing one or two upper locking screws to increase or decrease the distance between the two upper locking screws so as to clamp and fix the connecting pipe part of the valve to be detected, which is positioned between the two upper locking screws;

the fixing structure on the upper surface of the lower pressing plate mainly comprises a lower fixing seat and a lower locking screw rod,

the two lower fixing seats are symmetrically arranged on the upper surfaces of the lower pressing plates at the two sides of the positioning groove, the two lower fixing seats are respectively and correspondingly provided with a threaded hole matched with the lower locking screw rod,

the two lower locking screw rods are respectively and correspondingly screwed into the threaded holes of the two lower fixing seats, so that the two lower locking screw rods are opposite and symmetrical,

and one or two lower locking screws are screwed, so that the distance between the two lower locking screws can be increased or decreased, and the connecting pipe part of the welding type valve to be detected, which is positioned between the two lower locking screws, is clamped and fixed.

7. The complete set of multifunctional skid-mounted valve pressure test and debugging equipment of claim 1, which is characterized in that:

the device also comprises a hanger, a lifting mechanism, a second bracket, a left pressure plate, a cross bar, a right pressure plate, a second jack, a first conduit, a measuring cup, a second conduit and a third conduit,

the hanging bracket is arranged on the base, the lifting end of the hanging bracket is connected with the second bracket through a lifting mechanism,

the left pressure plate is fixedly connected to the second bracket through a cross rod,

the right pressing plate is connected to the second bracket through a second jack so as to form a space for assembling a valve to be tested between the left pressing plate and the right pressing plate,

the first conduit is arranged on the left pressure plate, a pipe orifice at one end is positioned on the right side surface of the left pressure plate, a pipe orifice at the other end passes through the left pressure plate and extends out of the left side surface of the left pressure plate, and the pipe orifice at the end is vertically arranged upwards,

the measuring cup is fixed on the second bracket or the cross bar,

a control valve for controlling on-off is arranged on the tube body of the first conduit, a tube opening at one end of the second conduit is communicated with the conduit part of the first conduit between the control valve on the first conduit and the left pressure plate, a tube opening at the other end of the second conduit is arranged in the measuring cup, a control valve for controlling on-off is arranged on the tube body of the second conduit,

the third pipe sets up on the right side clamp plate, the one end mouth of pipe is located on the left surface of right side clamp plate, the other end mouth of pipe passes the right side clamp plate extends the right flank of right side clamp plate, and with pressure testing barrel intercommunication, or with power pressure testing debugging equipment intercommunication, or with the high-pressure tube intercommunication to be provided with the control valve that plays the control break-make effect on the pipe shaft of this third pipe.

8. The complete set of multifunctional skid-mounted valve pressure test and debugging equipment of claim 7, which is characterized in that:

the pipe part that the third pipe is located this third pipe control valve with between the pressure testing barrel communicates there is the fourth pipe, is provided with third manometer and governing valve on this fourth pipe, perhaps, the third pipe is located this third pipe control valve with pipe part intercommunication between the power pressure testing debugging equipment has the fourth pipe, is provided with third manometer and governing valve on this fourth pipe, or, the third pipe is located this third pipe control valve with pipe part intercommunication between the high-pressure pipe has the fourth pipe, is provided with third manometer and governing valve on this fourth pipe.

9. The complete set of multifunctional skid-mounted valve pressure test and debugging equipment of claim 7, which is characterized in that:

the hanger mainly comprises a hanger rod seat, a rotating sleeve and a hanger rod,

the lifting rod seat is fixedly connected on the upper surface of the base,

the rotating sleeve is of a hollow structure, the bottom of the rotating sleeve is fixedly connected with the suspender base,

the hanging rod is in a bent shape, the bottom end of the hanging rod is fixed in the rotating sleeve in a mode of sleeving a large sleeve with a small pipe, the large sleeve is provided with an annular plate, positioning bolt holes are machined in the annular plate, a bolt hole rod is welded on the hanging rod, the hanging rod is inserted into the rotating sleeve, the bolt hole rod can be correspondingly inserted into one positioning bolt hole in the annular plate so as to limit the hanging rod to rotate in the rotating sleeve along the circumferential direction, pin hole positioning is fixed or not fixed according to the actual required angle during working, the annular plate is welded with the base of the equipment through a stand column for ensuring the strength, the top end of the hanging rod is provided with a lifting hook, and the second support is hung on the lifting hook of the hanging rod through a lifting mechanism,

the lifting mechanism is a chain block or an electric block.

10. The complete set of multifunctional skid-mounted valve pressure test and debugging equipment of claim 9, which is characterized in that:

the second support mainly comprises an upper cross rod, a lower cross rod, a left vertical rod and a right vertical rod,

the left end part of the upper cross rod is fixedly connected with the top of the left vertical rod, the right end part of the upper cross rod is fixedly connected with the top of the right vertical rod,

the bottom of the left vertical rod and the bottom of the right vertical rod are connected with a lower cross rod in a detachable structure mode,

the left end part of the cross rod is connected on the left vertical rod, the right end part of the cross rod is fixedly connected with the left pressure plate, a reinforcing rod is arranged between the cross rod and the upper cross rod,

the right end part of the second jack is fixedly connected to the right vertical rod, and the left end part of the second jack is fixedly connected with the right pressing plate.

11. The complete set of multifunctional skid-mounted valve pressure test and debugging equipment of claim 1, which is characterized in that:

the power pressure test debugging equipment consists of a manual pressure test pump, an air compressor and a high-pressure cleaning machine,

the left end pipe orifice of the high-pressure pipe is communicated with the pressure testing barrel body, the right end pipe orifice is respectively communicated with the manual pressure testing pump, the air compressor and the high-pressure cleaning machine through a four-way joint,

control valves for controlling on-off are arranged on the pipe body of the high-pressure pipe, on the pipelines between the four-way joint and the manual pressure test pump, between the four-way joint and the air compressor and between the four-way joint and the high-pressure cleaning machine,

one end pipe orifice of the connecting pipe is communicated with the pressure test water tank, the other end pipe orifice is respectively communicated with the manual pressure test pump and the high-pressure cleaning machine through a three-way joint,

control valves for controlling on-off are arranged on the pipelines between the three-way joint and the manual pressure test pump and between the three-way joint and the high-pressure cleaning machine,

or, the connecting pipe is two, the first connecting pipe one end mouth of pipe with pressure testing water tank intercommunication, the other end mouth of pipe with manual pressure testing pump intercommunication, the second connecting pipe one end mouth of pipe with pressure testing water tank intercommunication, the other end mouth of pipe and high pressure cleaner intercommunication to set up the control valve that plays the control break-make effect on the pipe shaft of first connecting pipe and the pipe shaft of the second connecting pipe.

12. The complete set of multifunctional skid-mounted valve pressure test and debugging equipment of claim 1 or 11, which is characterized in that:

the pressure testing cylinder is communicated with the pressure testing water tank through a communicating pipe, a control valve for controlling on-off is arranged on the pipe body of the communicating pipe,

a blowoff valve for controlling on-off is arranged on the side wall of the bottom of the pressure test water tank, and an observation window or a cleaning window is arranged at the top of the pressure test water tank.

13. The complete set of multifunctional skid-mounted valve pressure test and debugging equipment of claim 1, which is characterized in that:

14. The multifunctional skid-mounted valve pressure test and debugging complete equipment of claim 11, which is characterized in that: