CN208147543U - A kind of safety valve testing maintenance intelligent integrated machine - Google Patents

Abstract

The utility model discloses a kind of safety valve testings to repair intelligent integrated machine, including checking table, computer, hydraulic station and clamping milling apparatus；It is provided with computer on the left of the checking table, hydraulic station is provided on the right side of checking table, hydraulic station is connected to by hydraulic oil pipe with the hydraulic fixed mechanism being arranged on clamping milling apparatus；The upper end of the clamping milling apparatus is provided with clamping bench, is provided with grinding mechanism above the clamping bench；Three Degree Of Freedom slipway mechanism is additionally provided on the clamping milling apparatus；It is provided with buffer tank pressure table on the checking table, four groups of checklists are provided on the right side of buffer tank pressure table.The utility model is novel in design, and calibration equipment and maintenance of equipment are combined, the efficiency of verification, maintenance is improved, it can accomplish to verify and repair disposable clamping, grinding maintenance can directly be carried out by needing repairing after verification, be saved time, manpower, and can efficiently carry out intelligent checking and maintenance.

Description

A kind of safety valve testing maintenance intelligent integrated machine

Technical field

The utility model relates to safety valve Measuring error field, specifically a kind of safety valve testing repairs intelligent integrated machine.

Background technique

It is used for the calibration equipment and maintenance of equipment of safety valve on existing market, is all independent.When for large-scale peace If full valve is verified and repaired, then checking procedure must need clamping primary, if then needing repairing, need Safety valve is moved on maintenance of equipment to carry out clamping again primary, and currently on the market for large-scale safety valve testing and maintenance Equipment lack very much, the intelligence degree of existing equipment is not also high, significantly the effect of waste of manpower, material resources and verification, maintenance Rate, large-scale safety valve weight is generally heavier, and depending merely on manpower can not be verified and be repaired.

Utility model content

The purpose of this utility model is to provide a kind of safety valve testings to repair intelligent integrated machine, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions：

A kind of safety valve testing maintenance intelligent integrated machine, including checking table, computer, hydraulic station and clamping grinding Equipment；It is provided with computer on the left of the checking table, hydraulic station, hydraulic station are provided on the right side of checking table It is connected to by hydraulic oil pipe with the hydraulic fixed mechanism being arranged on clamping milling apparatus；The upper end of the clamping milling apparatus is set It is equipped with clamping bench, is provided with grinding mechanism above the clamping bench；It is sliding that Three Degree Of Freedom is additionally provided on the clamping milling apparatus Platform mechanism；It is provided with buffer tank pressure table on the checking table, four groups of checklists are provided on the right side of buffer tank pressure table, buffers Pressure tank table is connect with surge tank, and surge tank is connected to booster pump；Gas pump meter, checking table are additionally provided on the checking table Rear end is equipped with air pump interface, and air pump interface with air pump for connecting.

As further program of the utility model：Four groups of non-mechanical linkage clamping machines are provided on the clamping bench Structure, the non-mechanical linkage clamping mechanism include claw and cylinder, and the corresponding cylinder of each claw, cylinder is by being connected in parallel on Same pipeline together is connect with air pump.

As the utility model further scheme：The grinding mechanism includes abrasive disk, grinding spindle, grinding pressure Feedback device and grinding motor, grinding motor are connect by grinding pressure feedback device with grinding spindle, grinding spindle lower end and Abrasive disk is fixedly connected, and is provided with monitoring probe below abrasive disk.

As the utility model further scheme：The grinding pressure feedback device includes fixing axle bucket, piston, bullet Spring and piston rod, the upper end of piston rod are set in sensor sensing area, the lower end of piston rod and are slidably connected at fixing axle bucket Interior piston is fixedly connected.

As the utility model further scheme：Piston rod outer sheath in the fixing axle bucket is equipped with bullet Spring, the piston are fixedly connected with grinding spindle.

As the utility model further scheme：The Three Degree Of Freedom slipway mechanism includes lifting platform, the first sliding rail With the second sliding rail, lifting platform is fixedly connected with by horizontal bracket with grinding mechanism, and lifting platform is slidably connected to be arranged in its back-end The first sliding rail on.

As the utility model further scheme：The fixed company in the both ends of first sliding rail and the upper end of portal frame It connects, the lower end of portal frame is slidably connected in the second sliding rail of setting and clamping milling apparatus two sides.

As the utility model further scheme：Hand-operated encoder is additionally provided on the right side of the checking table.

Compared with prior art, the utility model has the beneficial effects that：

1, it is linked by the non-mechanical of setting and is not necessarily to precise alignment, four cards when clamping mechanism can be such that emergency valve seat places Pawl can adapt to emergency valve seat position automatically, keep clamping stable non-mechanical and linking moving valve seat will not by claw promotion, Prevent the abrasion between valve seat and clamping device, improved service life of equipment, reduces the prooving of valve seat；

2, the setting of grinding pressure feedback device can be compressed with real-time measurement grinding in compaction process during the grinding process Force data and the dynamic stability that pressure data is realized by servo-system, stable grinding pressure help to improve the essence of grinding Degree improves grinding efficiency, and automatic servo system can guarantee that the pressure ground each time is stablized, and the valve seat of different valves is made to grind matter It measures identity to improve, improves the quality stability of reparation；

3, the advantage for measuring pressure indirectly using laser displacement sensor is that laser displacement sensor precision is high, non-contact Formula measurement is small by the interference of main shaft rotary motion, and data stabilization is reliable, and non-contact measurement makes sensor at work not by machine Tool abrasion influences, and greatly improves the service life, and sensor keeps line arrangement more convenient, maintenance is adjusted without being arranged in live spindle It is whole more convenient；

4, the hydraulic stage space of stand alone type design is more abundant, is conducive to the heat dissipation of long time running.Hydraulic station is from grinding It is independent in equipment, the volume of milling apparatus is reduced, the arrangement for Devices in Workshop of being more convenient for, independent hydraulic station is small in size, Keep space layout more flexible, reduces plant maintenance difficulty；

5, grinding mechanism automatically records abrasive disk coordinate after first time is in, if need to repeat to grind, equipment can be certainly Dynamic mobile bistrique continues to start, is not necessarily to manual centering again to the position of last time grinding, it is ensured that the position essence ground twice Really, reduce the work of centering again manually, while improving the precision of repositioning, help to improve grinding efficiency, improve Grinding quality.

The utility model is novel in design, and calibration equipment and maintenance of equipment are combined, the efficiency of verification, maintenance is improved, It can accomplish to verify and repair disposable clamping, grinding maintenance can directly be carried out by needing repairing after verification, it saves time, manpower, and And it can efficiently carry out intelligent checking and maintenance.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that safety valve testing repairs intelligent integrated machine.

Fig. 2 is the top view that safety valve testing repairs intelligent integrated machine.

Fig. 3 is the side view that safety valve testing repairs intelligent integrated machine.

Fig. 4 is the structural schematic diagram that safety valve testing repairs grinding pressure feedback device in intelligent integrated machine.

Fig. 5 is the working principle diagram that safety valve testing repairs grinding pressure feedback device in intelligent integrated machine.

In figure：1- checking table, 2- buffer tank pressure table, 3- computer, 4- checklist, 5- gas pump meter, 6- air pump connect Mouth, 7- hand-operated encoder, 8- hydraulic station, 9- relatively test tracheae, 10- hydraulic oil pipe, 11- abrasive disk, 12- monitoring probe, 13- portal frame, 14- clamping bench, 15- clamping milling apparatus, 16- lifting platform, the first sliding rail of 17-, the second sliding rail of 18-, 19- grinding Press feedback device, 20- grinding spindle, 21- grinding motor, 22- sensor sensing area, 23- non-mechanical linkage clamping mechanism, 24- fixing axle bucket, 25- piston, 26- spring, 27- piston rod.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~5, in the utility model embodiment, a kind of safety valve testing repairs intelligent integrated machine, including verification Platform 1, computer 3, hydraulic station 8 and clamping milling apparatus 15；The left side of the checking table 1 is provided with computer 3, calculates Machine 3 is provided with hydraulic station 8 for controlling the progress of 1 internal program of checking table, the right side of checking table 1, and hydraulic station 8 is logical It crosses hydraulic oil pipe and is connected to the hydraulic fixed mechanism being arranged on clamping milling apparatus 15, hydraulic station 8 provides when working Hydraulic oil makes hydraulic fixed mechanism is mobile to jack up safety valve, is at stationary state, and hydraulic station provides for emergency valve seat clamping Clamp power, due to this equipment need to be big with clamping force, so hydraulic device power is higher, so hydraulic station uses stand alone type The hydraulic stage space of design, stand alone type design is more abundant, is conducive to the heat dissipation of long time running, hydraulic station is from milling apparatus It is independent, the volume of milling apparatus is reduced, the arrangement for Devices in Workshop of being more convenient for, independent hydraulic station 8 is small in size, makes space Arrangement is more flexible, reduces plant maintenance difficulty.

The upper end of the clamping milling apparatus 5 is provided with clamping bench 14, and four groups of non-mechanical connection are provided on clamping bench 14 Dynamic clamping mechanism 23, the non-mechanical linkage clamping mechanism 23 include claw and cylinder, the corresponding cylinder of each claw, gas Cylinder passes through the same pipeline being connected in parallel and connect with air pump, and each cylinder pushes a claw self-movement, such four cards The claw that pawl is first contacted when clamping valve seat can stop, synchronous after four claws all contact to increase cylinder clamping power, most Make to clamp eventually firm；Grinding mechanism is provided with above the clamping bench 4, grinding mechanism includes abrasive disk 11, grinding spindle, grinding Press feedback device 19 and grinding motor 21, grinding motor 21 are connect by grinding pressure feedback device 19 with grinding spindle 20, 20 lower end of grinding spindle is fixedly connected with abrasive disk 11, and monitoring probe 12 is provided with below abrasive disk 11, and detection probe 12 can incite somebody to action 11 position coordinates of abrasive disk are recorded, if need to repeat to grind, equipment can automatically move bistrique to the position of last time grinding It sets, drives abrasive disk 20 to rotate by grinding spindle 21 when grinding motor 21 rotates, abrasive disk 20 carries out at grinding safety valve Reason, the grinding pressure feedback device 19 include fixing axle bucket 24, piston 25, spring 26 and piston rod 27, piston rod 27 it is upper End is set in sensor sensing area 22, the lower end of piston rod 27 and the fixed company of the piston 25 being slidably connected in fixing axle bucket 24 It connects, 27 outer sheath of piston rod in the fixing axle bucket 24 is equipped with spring 26,25 lower end of piston and grinding spindle 21 It is fixedly connected.

Three Degree Of Freedom slipway mechanism is additionally provided on the clamping milling apparatus 5, Three Degree Of Freedom slipway mechanism includes lifting Platform 16, the first sliding rail 17 and the second sliding rail 18, lifting platform 16 are fixedly connected with by horizontal bracket with grinding mechanism, lifting platform 16 It is slidably connected on the first sliding rail 17 being arranged in its back-end, grinding mechanism right and left position can be realized by the first sliding rail 17 of setting It adjusts, the both ends of first sliding rail 17 are fixedly connected with the upper end of portal frame 13, and the lower end of portal frame 13, which is slidably connected at, to be set It sets in the second sliding rail 18 with clamping milling apparatus two sides, grinding mechanism is driven using Three Degree Of Freedom slipway mechanism, and passes through prison Depending on the visual centering of equipment, 11 mobile range of abrasive disk is big, mobile flexibly accurate, and slide unit is furnished with automatic locking function, grinding master Axis 20 is mobile stop after automatic locking equipment, make 20 the operation is stable of grinding spindle, grind mechanism under the drive of lifting platform 16 to Lower movement, after abrasive disk 11 compresses emergency valve seat sealing surface, lifting platform 16 continues to drive fixing axle bucket 24 by horizontal bracket Holddown spring 26 is moved downward, so that abrasive disk 11 is made to have certain compaction pressure, since 26 Hooke coefficient of spring is fixed, so It is directly proportional to abrasive disk pressure gain that piston rod 27 rises displacement, so sensor measurement piston rod 27 is located at by laser Displacement can measure the interface pressure of abrasive disk and valve seat indirectly, and PLC will be pressed after station receives pressure setting data Force data is converted to displacement data and compares with the displacement data of laser displacement sensor, so that servo motor rotation is controlled, It drives lifting platform 16 to go up and down, adjusts pressure and piston rod 27 is displaced, realize the closed-loop control of grinding pressure.

Buffer tank pressure table 2 is provided on the checking table 1, the right side of buffer tank pressure table 2 is provided with four groups of checklists 4, buffer tank pressure table 2 is connect with surge tank, and surge tank is connected to booster pump, is inflated by booster pump into surge tank, buffering Pressure tank table 2 is for the pressure in record buffer tank；Gas pump meter 5,1 rear end of checking table are additionally provided on the checking table 1 Air pump interface 6 is installed, for air pump interface 6 for connecting with air pump, the right side of the checking table 1 is additionally provided with hand-operated encoder 7, Several repair procedures for valve seat difference damaged condition are preset in computer 3, operator can be to be repaired close by observing Cover damaged condition selects repair procedure appropriate, and equipment carries out automatic grinding to valve seat by preset program, without artificial setting Abrasive parameters, equipment autostop after the completion of program, on duty without operator, operator can also be according to the reality of valve seat Damaged condition is freely arranged abrasive parameters and is stored in computer, forms new repair procedure so that next time calls.

The working principle of the utility model is：Safety valve to be measured is placed on clamping bench, booster air pump makes non-mechanical The clamping mechanism that links clamps safety valve to be measured, then starts hydraulic station, is adjusted to convenient pressure, hydraulic brace safety valve makes it In stationary state, the switch of the booster pump on checking table is opened, is inflated by booster pump into surge tank, at this time observation buffering The pressure gauge of tank reaches verification pressure, closes pressurization switch pump, and then according to the set-pressure of safety valve to be measured, selection is corresponded to Pressure gauge group is verified, its needle-valve is opened, slowly opening verification needle-valve is safety valve plenum, and observation verification pressure gauge group is shown Number, while the pressure data that software in computer is shown is observed, after reaching set-pressure, whether safety valve is opened, by computer The peak value for the curve that software is shown, the as practical cracking pressure of the safety valve should if the pressure is identical as set-pressure Safety valve is without adjustment, if practical cracking pressure is different from set-pressure, needs the vent valve for opening checking table, surge tank of giving out light Interior compressed gas closes vent valve, closes verification needle-valve, and the bonnet for safety valve to be measured of dismantling adjusts adjusting screw rod, weighs again Multiple checking procedure is identical as set-pressure until the practical cracking pressure of safety valve to be measured, then opens vent valve, buffering of giving out light Gas in tank and valve seat, then turn off needle-valve, vent valve is turned off, booster pump is opened as surge tank pressurization, reaches surge tank Pressure is examined, booster pump is then shut off, slowly opens needle-valve, observation pressure gauge registration reaches the 90% of set-pressure, closes needle Valve, observation verification gauge hand；If pointer is without landing, and test safety valve leakproofness is intact, then verifies completion, opens and deflates Valve opens needle-valve, is zeroed to pressure gauge, closes corresponding pressure table group needle-valve, closes vent valve, closes verification needle-valve, opens liquid Pressure station relief valve, after the completion of pressure release, operates air pump switching valve, unclamps clamping jaw, remove safety valve, inspected；If pointer is sliding It falls or safety valve poor sealing, then needs to repair safety valve, open vent valve, verification needle-valve is opened, to pressure gauge registration Zero closes corresponding pressure table group needle-valve, turns off vent valve, verification needle-valve, disassembles safety valve, then remove flap, expose Sealing surface of seat, manual operation grinding：Milling apparatus general supply is opened, by hand-operated encoder, portal frame is manipulated and is advanced to conjunction Right position is set, and the position of grinding crane is then adjusted again by hand-operated encoder, is directed at grinding spindle with sealing surface of seat, Alignment procedures are shown on the software fed back by the monitor detection at grinding spindle center into computer, and observation tune is carried out It is whole, so that grinding spindle is aligned with sealing surface of seat center position, after alignment, portal frame and grinding crane automatic locking, Coordinate where grinding spindle, selection abrasive disk corresponding with sealing surface of seat are installed on grinding spindle, are system record at this time Abrasive disk smears abrasive material, and operation hand-operated encoder makes grinding spindle drop to sealing surface of seat, then observes computer software aobvious Show the grinding pressure data shown on device, after reaching setting pressure, grinding spindle decline stops, and software systems record grinding spindle Decline coordinate, operation hand-operated encoder start to grind, after the completion of to be ground, operation hand-operated encoder adjust grinding crane, It whether qualified observes sealing surface of seat grinding, if grinding is qualified, operates hand-operated encoder, portal frame, grinding crane returns to zero, If unqualified smear abrasive material again for abrasive disk, grinding is re-started, until being ground to qualification, process control automatic grinding：It is right Quasi- grinding center installs corresponding abrasive disk and selects suitably default polish process after smearing abrasive material, and equipment is pressed setting automatically and completed Work is ground, safety valve is re-assemblied after the completion of grinding, duplication check process removes safety valve after qualified.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (8)

1. a kind of safety valve testing repairs intelligent integrated machine, including checking table (1), computer (3), hydraulic station (8) and Clamping milling apparatus (15)；It is characterized in that, being provided with computer (3) on the left of the checking table (1), the right side of checking table (1) Side is provided with hydraulic station (8), and hydraulic station (8) are by hydraulic oil pipe and are arranged on clamping milling apparatus (15) Hydraulic fixed mechanism connection；The upper end of the clamping milling apparatus (15) is provided with clamping bench (14), the clamping bench (14) Top is provided with grinding mechanism；Three Degree Of Freedom slipway mechanism is additionally provided on the clamping milling apparatus (15)；The checking table (1) it is provided on buffer tank pressure table (2), four groups of checklists (4), surge tank pressure is provided on the right side of buffer tank pressure table (2) Power table (2) is connect with surge tank, and surge tank is connected to booster pump；Gas pump meter (5) are additionally provided on the checking table (1), Checking table (1) rear end is equipped with air pump interface (6), and air pump interface (6) with air pump for connecting.

2. a kind of safety valve testing according to claim 1 repairs intelligent integrated machine, which is characterized in that the clamping bench (14) four groups of non-mechanical linkages clamping mechanism (23) are provided on, non-mechanical linkage clamping mechanism (23) includes claw And cylinder, the corresponding cylinder of each claw, cylinder pass through the same pipeline being connected in parallel and connect with air pump.

3. a kind of safety valve testing according to claim 1 repairs intelligent integrated machine, which is characterized in that the grinding mechanism Including abrasive disk (11), grinding spindle, grinding pressure feedback device (19) and grinding motor (21), grinding motor (21) is by grinding Mill press feedback device (19) is connect with grinding spindle (20), and grinding spindle (20) lower end is fixedly connected with abrasive disk (11), is ground Monitoring probe (12) are provided with below mill (11).

4. a kind of safety valve testing according to claim 3 repairs intelligent integrated machine, which is characterized in that the grinding pressure Feedback device (19) includes fixing axle bucket (24), piston (25), spring (26) and piston rod (27), and the upper end of piston rod (27) is set It is placed in sensor sensing area (22), the lower end of piston rod (27) and the piston (25) being slidably connected in fixing axle bucket (24) are solid Fixed connection.

5. a kind of safety valve testing according to claim 4 repairs intelligent integrated machine, which is characterized in that be located at the fixation Piston rod (27) outer sheath in axis bucket (24) is equipped with spring (26), piston (25) lower end and grinding spindle (20) fixed company It connects.

6. a kind of safety valve testing according to claim 1 repairs intelligent integrated machine, which is characterized in that the Three Degree Of Freedom Slipway mechanism includes lifting platform (16), the first sliding rail (17) and the second sliding rail (18), lifting platform (16) with by horizontal bracket with Grinding mechanism is fixedly connected, and lifting platform (16) is slidably connected on the first sliding rail (17) being arranged in its back-end.

7. a kind of safety valve testing according to claim 6 repairs intelligent integrated machine, which is characterized in that first sliding rail (17) both ends are fixedly connected with the upper end of portal frame (13), and the lower end of portal frame (13) is slidably connected at setting and clamping is ground In the second sliding rail (18) of equipment two sides.

8. a kind of safety valve testing according to claim 1 repairs intelligent integrated machine, which is characterized in that the checking table (1) hand-operated encoder (7) are additionally provided on the right side of.