CN208206688U - A kind of aluminium drill pipe critical external compressive resistance detection device - Google Patents

Abstract

The utility model belongs to pressure testing technical field, discloses a kind of aluminium drill pipe critical external compressive resistance detection device, including slideway sub-unit, completes feeding, discharging for holding, positioning workpiece, and with sealing sub-unit cooperation；Sub-unit is sealed, matches with high pressure cylinder body sub-unit and is combined into seal cavity, and pressurize to sealing element, keeps the sealing state of high pressure cylinder body in the detection, while cooperating with slideway sub-unit and completing feeding, discharging；High pressure cylinder body sub-unit, for carrying workpiece；Water recycles sub-unit, for being filled the water before detection and in high pressure cylinder body from detection process to high pressure cylinder body sub-unit, pressurized cylinder, pressurize sub-unit, for generating high pressure water, the utility model does not need manually installed and control, is reduced to assembly, detection and take-down time 10 minutes by 6 hours, saves 97% runing time, and continuity batch detection is realized, reduce the overall cost of product.

Description

A kind of aluminium drill pipe critical external compressive resistance detection device

Technical field

The utility model belongs to pressure testing technical field more particularly to a kind of aluminium drill pipe critical external compressive resistance detection device.

Background technique

Currently, the prior art commonly used in the trade is such thatThe aluminium drill pipe that petroleum and exploration industry use is substantially It is from Russia, the U.S., Japan and other countries purchase, the domestic development for aluminium drill pipe is also in initial stage, tube body inspection The development of measurement equipment is even more at the early-stage.Since aluminium drill pipe use condition complexity, bad environments, stability requirement are high, because This is very strict to the full-scale testing requirements of product after tube body size, performance, assembly.In practical work process, drilling rod is made It is used for transmission, pressure-bearing, connector, has biggish pressure in the outside of tube body, this requires tube bodies certain critical external compressive resistance Ability, especially when there is emergency case, external pressure can be increased moment, if tube body cannot bear external pressure and occur Fracture, breaking part all drilling tool equipment below cannot normally be taken out, be salvaged, removed, this is extending operation week While phase, energy consumption, cost of labor and equipment investment are also added.For guarantee aluminium drill pipe critical external compressive resistance performance, often Batch needs to choose a certain number of drilling rods and carries out critical external compressive resistance detection.Existing detection method is intercepted at tube body thin-walled 1000mm long, and it is welded with solid aluminium bar at both ends, so that tube body is formed confined space, then the tube body of sealing is put into high pressure cylinder body It is interior, continue to fill the water into high pressure cylinder body, until reaching predetermined pressure in high pressure cylinder body, keep after a certain period of time again by seal pipe Body takes out.Due to no dedicated detection device, existing detection device is self design, the sealing at high pressure cylinder body both ends Lid needs manually to be secured with nuts, and pressure when detecting is higher, for guarantee safety, the sealing element at detection device both ends, by The equal volume of power part, locking member is larger, needs three people to cooperate assembly, and needs overhead traveling crane, small-size jack, hydraulic spanner etc. and is auxiliary Help equipment, assembly and take-down time at least want 6 hours, can only at most examine one daily, not only high labor cost, time-consuming, The schedule of deliveries of product can be also influenced because detection cannot be completed.

In conclusion problem of the existing technology is:

(1) aluminium drill pipe does not have dedicated critical external compressive resistance detection device, and 3 people is needed to cooperate assembly, and need overhead traveling crane, The ancillary equipments such as small-size jack, hydraulic spanner, assembly, detection and take-down time at least want 6 hours, high labor cost, time-consuming It is long.

(2) existing detection device needs to be pressurized work station pressurization, and booster station is at high cost, low efficiency, at most can only daily One is examined, can not achieve continuous sex work, the schedule of deliveries of product is often influenced because detection cannot be completed.

This programme all processes realize automation control, can carry out automatic loading and unloading and sealing, and it is artificial stubborn to solve needs The problem of close envelope, and the step of reducing operator and ancillary equipment quantity, simplifying installation, detection, disassembly；This is System is increased using hydraulic cylinder, it can be achieved that rapidly, continuously property pressurization, does not need dedicated pressurization work station, in saving equipment cost While, shorten pressurization time.

Solve the difficulty and meaning of above-mentioned technical problem:

Since the development of aluminium drill pipe pressure checking device is at the early-stage, there is presently no mature fabrication schemes, only It can be designed according to examination requirements, and need to improve under actual application, to reach convenient, practical, efficient mesh , as soon as and the enterprise of domestic batch production aluminium drill pipe only has at present, with actual use experience less, this is undoubtedly Increase design of testing device, manufacture, improved difficulty.

For the utility model compared with existing detection device, all operational process of equipment are automation control, Mei Yibu It is automatically performed by equipment, does not need manually installed and control, assembly, detection and take-down time is made to be reduced to 10 points by 6 hours Clock, saves 97% runing time, and realizes continuity batch detection, so that original 3 people operation is reduced to 1 people, saves people Work cost 67% also eliminates the ancillary equipments such as booster station, overhead traveling crane, small-size jack, hydraulic spanner, reduces detection investment, While effectively improving working efficiency, testing cost is reduced, further decreases the overall cost of product.

Utility model content

In view of the problems of the existing technology, the utility model provides a kind of aluminium drill pipe critical external compressive resistance detection device.

The utility model is realized in this way a kind of aluminium drill pipe critical external compressive resistance detection device, the aluminium drill pipe is anti- External pressure detection device includes: slideway sub-unit, sealing sub-unit, high pressure cylinder body sub-unit, water circulation sub-unit, pressurizes and divide always At.

Slideway sub-unit is mainly used for holding, positioning workpiece, and completes feeding, discharge process with sealing sub-unit cooperation.

Sealing sub-unit and high pressure cylinder body sub-unit, which are matched, is combined into seal cavity, and pressurizes to sealing element, is detecting The sealing state of high pressure cylinder body is kept in the process, while being cooperated with slideway sub-unit and being completed feeding, discharge process.

High pressure cylinder body sub-unit is mainly used for carrying workpiece, bears aqueous medium pressure in the detection process, and reflect in real time The pressure that tube body, high pressure cylinder body are born, the result of display is as the foundation for determining tube body critical external compressive resistance ability.

Water circulation sub-unit is mainly used for filling the water before detection and in detection process into high pressure cylinder body, pressurized cylinder, detects After the water in high pressure cylinder body and pressurized cylinder drawn back into water tank, recycle aqueous medium.

Sub-unit pressurize mainly for generation of high pressure water, and high pressure water is injected to the high pressure cylinder body of high pressure cylinder body sub-unit It is interior, experimental situation is manufactured for detection process, tube body is simulated by external pressure condition, is upon completion of the assays high pressure cylinder body pressure release, ensure The safety of bidirectional circulating pump.

Further, the slideway sub-unit is made of slide unit component, pneumatic cylinder, chassis and pallet；

Slide unit component is upper layer and lower layer, and upper layer is equipped with idler wheel and X to cylinder, and the bearing block of idler wheel passes through bolt and upper layer Fixed, pallet is placed in the intermediate semi-circular recesses of idler wheel, and X is fixed to cylinder block with bolt and upper layer, plunger rod head end and Pallet is connected with buckle structure, and Z-direction cylinder, Z-direction cylinder plunger and upper layer are equipped between two layers of slide unit component and is connected by bolt It connects, cylinder body is bolted with lower layer, and guiding axis upper and lower ends bolt is connect with the upper and lower level of slide unit component；

Chassis is connect by bolt with basic built-in fitting, and Y-direction cylinder is equipped on chassis, and cylinder body is solid by bolt and chassis Fixed, plunger rod is bolted with slide unit component lower layer, and chassis is connect with slide unit component lower layer by linear guide, and straight line is led The track of rail is fixed by bolt and chassis, and the sliding block of linear guide is connect by bolt with slide unit component lower layer；

Chassis bears the weight of workpiece and other assemblies for installing slide unit component and cylinder；

Slide unit component unloads workpiece for carrying pallet and workpiece weight, and in realization automatically, and X makes pallet in idler wheel to cylinder On move along the x-axis.

Further, the sealing sub-unit is made of bracket, end cap, sealing ring, cylinder, pedestal and sealing fluid cylinder pressure；

Pedestal is connect by bolt with basic built-in fitting, and Y-direction cylinder is equipped on pedestal, and cylinder body is solid by bolt and pedestal Fixed, plunger rod is bolted with bracket, and the T-shaped structure of bracket and the T-slot of high pressure cylinder body connect, the cylinder of sealing fluid cylinder pressure Body is connect by bolt with bracket, and the plunger rod of sealing fluid cylinder pressure is connect by internal screw thread with connector, and connector passes through bolt It is connect with end cap, seals snare on the cylindrical surface of end cap；

Pedestal is used for mounting bracket and cylinder, and bears the weight of sealing fluid cylinder pressure, bracket and other assemblies.

Further, the high pressure cylinder body sub-unit is combined by high pressure cylinder body, upper body and lower body combination is constituted；

Upper body combination includes that high-voltage tube, pressure display sensor, the one one three-way electromagnetic valve and liquid level show sensor, High-voltage tube one end is bolted with high pressure cylinder body, and the other end successively shows sensor, the one one three-way electromagnetic valve with pressure Valve block and liquid level show that sensor is connected by internal screw thread, nut；

Lower body combination includes high-voltage tube and three-way magnetic valve, and high-voltage tube one end is bolted with high pressure cylinder body, The valve block of the other end and three-way magnetic valve is connected by internal screw thread, nut；High pressure cylinder body bottom passes through bolt and basic built-in fitting Connection；

High pressure cylinder body combines to form airtight cavity with end cap in the detection process for loading workpiece, bears internal produce Raw pressure；Pressure show sensor for real-time measurement in the detection process, show the internal pressure of high pressure cylinder body, the 1st Three-way electromagnetic valve is used to control high pressure cylinder body and liquid level shows the connection and disconnection of sensor；Liquid level shows sensor for showing height Cylinder interior water storage height is pressed, and closes the one one three-way electromagnetic valve in the moment that water level reaches predetermined altitude；Lower body combination For controlling high pressure cylinder body, water recycles sub-unit, connection and disconnection between pressurization sub-unit.

Further, the water circulation sub-unit shows sensor, bidirectional circulating pump, servo motor, low pressure by water tank, liquid level Pipe, overflow valve composition；

Liquid level shows that sensor is connect by nut with water tank, and water tank is connect with bidirectional circulating pump by low-voltage tube, low pressure Pipe both ends are fixed with bolt, and servo motor is bolted with bidirectional circulating pump, and water tank is connect with overflow valve by low-voltage tube, Low-voltage tube both ends bolt, nut and internal screw thread are fixed, and bidirectional circulating pump, overflow valve pass through threeway low-voltage tube and lower body group The valve block of conjunction connects, and threeway low-voltage tube both ends bolt, nut and internal screw thread are fixed；Liquid level shows sensor for showing water tank Interior water level, and alarm is issued when water level is too low, excessively high, positive and negative rotation can be realized by the bidirectional circulating pump that servo motor drives, For filling the water and drawing water into high pressure cylinder body, booster pump, overflow valve is used to discharge the intracorporal high pressure water of high pressure cylinder, and in lower valve In the case that body multifunctional electromagnetic valves are all closed, the low pressure water that bidirectional circulating pump can be made to generate injects water tank from overflow valve, prevents Bidirectional circulating pump forms open circuit between combining with lower body, damages bidirectional circulating pump.

Further, the pressurization sub-unit shows sensor, high-voltage tube, the 2nd 1 by press cylinder, pressurized cylinder, liquid level Three-way electromagnetic valve and pedestal composition；

Pedestal is fixed by bolt and basic built-in fitting, and press cylinder, pressurized cylinder are connect by bolt with pedestal, is pressurizeed Hydraulic cylinder, pressurized cylinder plunger rod on connector is equipped with by internal screw thread respectively, two connectors are bolted, pressurization The valve block that cylinder is combined with lower body is connected by high-voltage tube, and high-voltage tube both ends bolt, nut and internal screw thread are fixed, pressurized cylinder Top is connect by high-voltage tube with the valve block of the 2nd 1 three-way electromagnetic valve, and high-voltage tube both ends bolt, nut and internal screw thread are fixed, valve The block other side shows that sensor is connect by low-voltage tube with liquid level, and low-voltage tube both ends are fixed with internal screw thread and nut；

Pedestal bears the reaction that press cylinder is applied on pressurized cylinder for installing press cylinder and pressurized cylinder Power, press cylinder provide pressure for pressurized cylinder, and the water in pressurized cylinder is made to generate high pressure, and pressurized cylinder is used to generate high pressure water, and High pressure water is injected into high pressure cylinder body by lower body combination, liquid level shows sensor for showing water storage inside pressurized cylinder Highly, the 2nd 1 three-way electromagnetic valve is used to control liquid level and shows the connection and disconnection of sensor and pressurized cylinder, and reaches pre- in water level The moment for determining height closes the 2nd 1 three-way electromagnetic valve.

In conclusion the advantages of the utility model and good effect are as follows:

The utility model is suitable for all specifications specified in current standard, length and the drilling rod for thickening form.This is practical The novel critical external compressive resistance ability that tube body is detected by control equipment inside water pressure, intercepts 1000mm long first at tube body thin-walled, And solid aluminium bar is welded at both ends, so that tube body is formed confined space, then the tube body of sealing is put into high pressure by automatic feed mechanism In cylinder body, automatic-sealed component will do it high pressure cylinder body sealing, and keep sealing state in the detection process, not need manually to twist It unloads, pre-tighten, bidirectional circulating pump fast water injection into high pressure cylinder body, water level shows that sensor automatically controls by liquid level, and pressurized cylinder can It realizes Quick-pressurizing, and high pressure water is directly injected into high pressure cylinder body, increase the pressure of high pressure cylinder body rapidly, in a short time Reach scheduled pressure value, pressure show sensor can in boost process real-time display pressure change, and realize automatic pressure-maintaining, It keeps after a certain period of time, water recycles sub-unit and water is drawn back water tank, and sealing sub-unit automatically terminates sealing state, and divides with slideway Sealed tube body is taken out in assembly cooperation.All operational process of this system are automation control, and each step is automatically complete by equipment At, do not need it is manually installed and control, be reduced to original feeding 0.25 minute by 10 minutes, pre-tighten by 150 minutes reduce To 0.25 minute, water filling was reduced to 1 minute by 10 minutes, and pressurization was reduced to 2 minutes by 15 minutes, is drawn water and was reduced to by 10 minutes 1 minute, deblocking was reduced to 0.25 minute by 150 minutes, and discharging was reduced to 0.25 minute by 10 minutes, at the dwell time 5 minutes In the case where constant, round of visits was reduced to 10 minutes by 6 hours, saved 97% runing time, and realized continuity batch Amount detection makes original 1 people operation crown block, two people's installing component be changed to only save cost of labor 67% with 1 people's operation element platform, The ancillary equipments such as booster station, overhead traveling crane, small-size jack, hydraulic spanner are also eliminated, detection investment is reduced, is effectively improving work While making efficiency, testing cost is reduced, to further reduced the overall cost of product.

Detailed description of the invention

Fig. 1 is aluminium drill pipe critical external compressive resistance structure of the detecting device schematic diagram provided by the embodiment of the utility model；

Fig. 2 is pressure detecting schematic diagram provided by the embodiment of the utility model；

In figure: 1, slide unit component；2, pallet；3, sealing fluid cylinder pressure；4, bracket；5, high pressure cylinder body；6, liquid level display sensing Device；7, the one one three-way electromagnetic valve；8, pressure shows sensor；9, liquid level shows sensor；10, water tank；11, overflow valve；12, double To circulating pump；13, liquid level shows sensor；14, the 2nd 1 three-way electromagnetic valve；15, pressurized cylinder；16, press cylinder；17, high pressure Cylinder body solenoid valve；18, water recycles sub-unit solenoid valve；19, pressurize sub-unit solenoid valve.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain that this is practical It is novel, it is not used to limit the utility model.

The deficiencies of the utility model is intended to overcome existing critical external compressive resistance detection device low efficiency, time-consuming, at high cost；Pass through control Inside water pressure processed detects the critical external compressive resistance ability of tube body.

As shown in Figure 1, aluminium drill pipe critical external compressive resistance detection device provided by the embodiment of the utility model includes: that slideway point is total At, sealing sub-unit, high pressure cylinder body sub-unit, water circulation sub-unit, pressurization sub-unit.

Slideway sub-unit is mainly used for holding, positioning workpiece, and completes feeding, discharge process with sealing sub-unit cooperation.

Sealing sub-unit and high pressure cylinder body sub-unit, which are matched, is combined into seal cavity, and pressurizes to sealing element, is detecting The sealing state of high pressure cylinder body is kept in the process, while being cooperated with slideway sub-unit and being completed feeding, discharge process.

High pressure cylinder body sub-unit is mainly used for carrying workpiece, bears aqueous medium pressure in the detection process, and reflect in real time The pressure that tube body, high pressure cylinder body are born, the result of display is as the foundation for determining tube body critical external compressive resistance ability.

Water circulation sub-unit is mainly used for filling the water before detection and in detection process into high pressure cylinder body, pressurized cylinder, detects After the water in high pressure cylinder body and pressurized cylinder drawn back into water tank, recycle aqueous medium.

Sub-unit pressurize mainly for generation of high pressure water, and high pressure water is injected to the high pressure cylinder body of high pressure cylinder body sub-unit It is interior, experimental situation is manufactured for detection process, tube body is simulated by external pressure condition, is upon completion of the assays high pressure cylinder body pressure release, ensure The safety of bidirectional circulating pump.

Slideway sub-unit is made of slide unit component 1, pneumatic cylinder, chassis and pallet 2；Slide unit component 1 divides for upper layer and lower layer, on Layer is equipped with idler wheel and X to cylinder, and the bearing block of idler wheel is fixed by bolt and upper layer, and pallet 2 is placed on the intermediate semicircle of idler wheel In connected in star, X is fixed to cylinder block with bolt and upper layer, and plunger rod head end is connect with pallet 2 with buckle structure, slide unit component 1 is equipped with Z-direction cylinder between two layers, and Z-direction cylinder plunger is bolted with upper layer, and cylinder body is bolted with lower layer, Z Upper layer can be made to move along Z-direction to cylinder, direction when controlling mobile by guiding axis between upper layer and lower layer, above and below guiding axis Both ends bolt is connect with the upper and lower level of slide unit component 1；Chassis is connect by bolt with basic built-in fitting, and Y is equipped on chassis To cylinder, cylinder body is fixed by bolt and chassis, and plunger rod is bolted with 1 lower layer of slide unit component, chassis and slide unit group 1 lower layer of part is connected by linear guide, and the track of linear guide is fixed by bolt and chassis, and the sliding block of linear guide passes through spiral shell Bolt is connect with 1 lower layer of slide unit component.Chassis bears the weight of workpiece and other assemblies for installing slide unit component 1 and cylinder, Y-direction cylinder keeps slide unit component 1 mobile in Y direction, and to adjust pallet 2 in the position of Y direction, slide unit component 1 is for carrying Pallet 2 and workpiece weight, and realize and unload workpiece on automatic, X moves along the x-axis pallet 2 on idler wheel to cylinder, and Z-direction cylinder makes Slide unit upper layer is moved along Z-direction, to adjust the height of pallet 2, makes the central axis of pallet 2 and the central axis weight of high pressure cylinder body 5 It closes.

Sealing sub-unit is made of bracket 4, end cap, sealing ring, cylinder, pedestal and sealing fluid cylinder pressure 3；Pedestal passes through bolt It is connect with basic built-in fitting, Y-direction cylinder is installed on pedestal, cylinder body is fixed by bolt and pedestal, and plunger rod passes through with bracket 4 It is bolted, the T-shaped structure of bracket 4 is connect with the T-slot of high pressure cylinder body 5, and the cylinder body of sealing fluid cylinder pressure 3 passes through bolt and bracket The plunger rod of 4 connections, sealing fluid cylinder pressure 3 is connect by internal screw thread with connector, and connector is connect by bolt with end cap, is sealed Snare is on the cylindrical surface of end cap.Pedestal is used for mounting bracket 4 and cylinder, and bears sealing fluid cylinder pressure 3, bracket 4 and other groups The weight of part, Y-direction cylinder keep bracket 4 mobile in Y direction, to adjust end cap in the position of Y direction, make the central axis of end cap Line is overlapped with the central axis of high pressure cylinder body, and sealing fluid cylinder pressure 3 provides coupling mechanism force for end cap, from end cap, sealing ring are in pressurization To sealing function.

High pressure cylinder body sub-unit is combined by high pressure cylinder body 5, upper body and lower body combination is constituted；Upper body combination Show that sensor 8, the one one three-way electromagnetic valve 7 and liquid level show sensor 6, high-voltage tube one end and high pressure including high-voltage tube, pressure Cylinder body 5 is bolted, and the other end successively shows that sensor 8, the valve block of the one one three-way electromagnetic valve 7 and liquid level are shown with pressure Sensor 6 is connected by internal screw thread, nut；Lower body combination includes high-voltage tube and three-way magnetic valve, high-voltage tube one end and height Cylinder pressure body 5 is bolted, and the valve block of the other end and three-way magnetic valve is connected by internal screw thread, nut；5 bottom of high pressure cylinder body It is connect by bolt with basic built-in fitting.High pressure cylinder body 5 is mainly used for loading workpiece, and combines shape with end cap in the detection process At airtight cavity, the internal pressure generated is born；Pressure shows that sensor 8 is high for real-time measurement in the detection process, display The internal pressure of cylinder pressure body 5, the one one three-way electromagnetic valve 7 is used to control high pressure cylinder body 5 and liquid level shows the connection through and off of sensor 6 It opens, liquid level shows that sensor 6 is closed for showing 5 inside water storage height of high pressure cylinder body, and in the moment that water level reaches predetermined altitude The one one three-way electromagnetic valve 7 is closed, prevents water from overflowing；Lower body combination is for controlling high pressure cylinder body 5, water circulation sub-unit, pressurization Connection and disconnection between sub-unit.

Water circulation sub-unit shows sensor 9 by water tank 10, liquid level, bidirectional circulating pump 12, servo motor, low-voltage tube, overflows Valve 11 is flowed to form；Liquid level shows that sensor 9 is connect by nut with water tank 10, and water tank 10 and bidirectional circulating pump 12 pass through low-voltage tube Connection, low-voltage tube both ends are fixed with bolt, and servo motor is bolted with bidirectional circulating pump 12, water tank 10 and overflow valve 11 It is connected by low-voltage tube, low-voltage tube both ends bolt, nut and internal screw thread are fixed, and bidirectional circulating pump 12, overflow valve 11 pass through three The valve block connection that logical low-voltage tube is combined with lower body, threeway low-voltage tube both ends bolt, nut and internal screw thread are fixed.Liquid level is aobvious Showing sensor 9, sending is alarmed for showing the water level in water tank 10, and when water level is too low, excessively high, is driven by servo motor Bidirectional circulating pump 12 can realize positive and negative rotation, and for filling the water and drawing water into high pressure cylinder body 5, pressurized cylinder 15, overflow valve 11 is for releasing The high pressure water in high pressure cylinder body 5 is put, and in the case where lower body multifunctional electromagnetic valves are all closed, bidirectional circulating pump 12 can be made The low pressure water of generation injects water tank from overflow valve 11, and open circuit, damage are formed between preventing bidirectional circulating pump 12 from combining with lower body Bidirectional circulating pump 12.

The sub-unit that pressurizes is powered by press cylinder 16, pressurized cylinder 15, liquid level display sensor 13, high-voltage tube, the 2nd 1 Magnet valve 14 and pedestal composition；Pedestal is fixed by bolt and basic built-in fitting, press cylinder 16, pressurized cylinder 15 by bolt with Pedestal connection, press cylinder 16, pressurized cylinder 15 plunger rod on connector, two connectors are equipped with by internal screw thread respectively It is bolted, the valve block that pressurized cylinder 15 is combined with lower body is connected by high-voltage tube, high-voltage tube both ends bolt, nut And internal screw thread is fixed, 15 top of pressurized cylinder is connect by high-voltage tube with the valve block of the 2nd 1 three-way electromagnetic valve 14, and high-voltage tube both ends are used Bolt, nut and internal screw thread are fixed, and the valve block other side shows that sensor 13 is connect by low-voltage tube with liquid level, and low-voltage tube both ends are used Internal screw thread and nut are fixed.Pedestal bears press cylinder 16 and is applied to for installing press cylinder 16 and pressurized cylinder 15 Reaction force on pressurized cylinder 15, press cylinder 16 are that pressurized cylinder 15 provides pressure, and the water in pressurized cylinder 15 is made to generate high pressure, Pressurized cylinder 15 is injected into high pressure cylinder body 5 for generating high pressure water, and by high pressure water by lower body combination, and liquid level display passes Sensor 13 for showing 15 inside water storage height of pressurized cylinder, the 2nd 1 three-way electromagnetic valve 14 for control liquid level show sensor 13 with The connection and disconnection of pressurized cylinder 15, and the 2nd 1 three-way electromagnetic valve 14 is closed in the moment that water level reaches predetermined altitude, prevent water from overflowing Out.

Aluminium drill pipe critical external compressive resistance detection method provided by the embodiment of the utility model, by control equipment inside water pressure come The critical external compressive resistance ability of tube body is detected, specifically includes the following steps:

When carrying out the detection of tube body critical external compressive resistance, tube body is placed on above pallet, pallet is moved into high pressure cylinder with slide unit component At the cavity of body, and it is overlapped pallet with the central axis of high pressure cylinder body, in then cavity that pallet is promoted to high pressure cylinder body, then Slide unit is removed into workspace, completes feeding；The central axis for sealing sub-unit bracket is aligned with the central axis of high pressure cylinder body, Then start sealing fluid cylinder pressure, pallet, end cap and sealing ring are pushed into the cavity of high pressure cylinder body and are compressed, completion sealed Journey.

It is filled the water using bidirectional circulating pump into high pressure cylinder body, the intracorporal air of high pressure cylinder is discharged while water filling, works as water When position reaches predetermined altitude, top solenoid valve is closed, while filling the water into pressurized cylinder, it will be in pressurized cylinder by press cylinder Water is injected into high pressure cylinder body, increases the intracorporal hydraulic pressure of high pressure cylinder with this, after the intracorporal hydraulic pressure of high pressure cylinder reaches predetermined pressure Stop filling the water, progress pressure maintaining, if pressure shows that the pressure of sensor remains unchanged in pressure maintaining period, illustrates that tube body is intact, examine It is qualified to survey.

After the completion of pressure maintaining, high pressure cylinder body bottom solenoid valve is opened, water is passed through into overflow valve using the pressure of high pressure water itself It leads back in water tank, is then pulled water out with pressurized cylinder, when pressure shows that the pressure of sensor is 0, start bidirectional circulating pump, it will Water in high pressure cylinder body and pressurized cylinder is withdrawn into water tank, completes pump process；Starting sealing sub-unit is close after drawing water Sealing liquid cylinder pressure removes end cap, pallet out of high pressure cylinder body, and bracket is removed workspace, and slide unit component is then sent into work Make area, buckle structure of the X on cylinder plunger rod is connect with pallet, pallet is removed out of high pressure cylinder body, finally by slide unit Component and pallet remove workspace, complete depressurization and discharge process.

Aluminium drill pipe critical external compressive resistance detection method provided by the embodiment of the utility model carry out tube body critical external compressive resistance detection when, Tube body is placed on above pallet 2, starts the Y-direction cylinder of slideway sub-unit, slide unit component 1 is moved at the cavity of high pressure cylinder body 5, Start Z-direction cylinder, be overlapped pallet 2 with 5 central axis of high pressure cylinder body, then starts X to cylinder, pallet 2 is promoted into high pressure cylinder In the cavity of body 5, reverse starting Z-direction cylinder, reduces the height of slide unit component 1 again, keeps X de- to the plunger and pallet 2 of cylinder From last reverse starting Y-direction cylinder makes slide unit component 1 remove workspace, completes feeding；The Y-direction gas of starting sealing sub-unit The central axis of bracket 4, high pressure cylinder body 5 is aligned by cylinder, and in moving process, the buckle structure and pallet 2 of end cap leading portion connect Connect, pallet 2 allow to move into, remove in the cavity of high pressure cylinder body 5, then start sealing fluid cylinder pressure 3, by pallet 2, end cap and It in the cavity of sealing ring push-in high pressure cylinder body 5 and compresses, completes seal process.Open the one one three-way electromagnetic valve 7, high pressure cylinder body electricity Magnet valve 17, water recycle sub-unit solenoid valve 18, close pressurization sub-unit solenoid valve 19, start bidirectional circulating pump 12, to high pressure cylinder Water filling in body 5 closes the one one three-way electromagnetic valve 7 when water level reaches when liquid level shows the restriction height of sensor 6, prevents water from overflowing Out, during water filling, the 2nd 1 three-way electromagnetic valve 14 is opened, starts press cylinder 16, air will be pumped into pressurized cylinder 15, Pressurization sub-unit solenoid valve 19 is opened in the moment for closing the one one three-way electromagnetic valve 7, air is filled the water and excluded into pressurized cylinder 15, When water level, which reaches liquid level, shows the restriction height of sensor 13, the 2nd 1 three-way electromagnetic valve 14 is closed, water recycles sub-unit electromagnetism Valve 18, prevents water from overflowing, and then starts press cylinder 16, and the water in pressurized cylinder 15 is passed through high pressure cylinder body solenoid valve 17, is added Pressure sub-unit solenoid valve 19 is injected into high pressure cylinder body 5, and during water filling, pressure shows that sensor 8 can show high pressure cylinder Hydraulic pressure in body 5, after the completion of filling the water first time, pressure shows that sensor 8 is not up to predetermined pressure, closes high pressure cylinder body at this time Solenoid valve 17 opens the 2nd 1 three-way electromagnetic valve 14, and starts press cylinder 16, will be pumped into air in pressurized cylinder 15, then opens Water recycles sub-unit solenoid valve 18, and air is filled the water and excluded into pressurized cylinder 15, shows sensor 13 when water level reaches liquid level When limiting height, the 2nd 1 three-way electromagnetic valve 14, water circulation sub-unit solenoid valve 18 are closed, high pressure cylinder body solenoid valve 17 is then opened And start press cylinder 16, it is filled the water again into high pressure cylinder body 5, water filling is repeated, until pressure shows that sensor 8 reaches Predetermined pressure closes bidirectional circulating pump 12, high pressure cylinder body solenoid valve 17 and carries out pressure maintaining, protect in the moment for reaching predetermined pressure If pressure shows that the pressure of sensor 8 remains unchanged when pressure, illustrate that tube body is intact, detection is qualified, beats during pressure maintaining Boiled water circulation sub-unit solenoid valve 18 simultaneously starts press cylinder 16, and the water in pressurized cylinder 15 is discharged by overflow valve 11.Pressure maintaining After the completion, high pressure cylinder body solenoid valve 17 is opened, the high pressure water in high pressure cylinder body 5 is passed through into high pressure cylinder body solenoid valve 17, overflow valve 11 are injected into water tank 10, when the pressure value of pressure display sensor 8 no longer declines, close water and recycle sub-unit solenoid valve 18 And start press cylinder 16, the water in high pressure cylinder body 5 is pumped into pressurized cylinder 15, high pressure cylinder body solenoid valve 17 is then shut off and beats Boiled water recycles sub-unit solenoid valve 18, back-to-back starting press cylinder 16, by the water in pressurized cylinder 15 by water circulation sub-unit electricity Magnet valve 18, overflow valve 11 are injected into water tank 10, are then shut off water circulation sub-unit solenoid valve 18 and are opened high pressure cylinder body solenoid valve 17, pump process is repeated, until pressure shows that the pressure of sensor 8 is 0, when pressure shows that the pressure of sensor 8 is 0, is opened Dynamic bidirectional circulating pump 12 simultaneously opens water circulation sub-unit solenoid valve 18, the one one three-way electromagnetic valve 7, by high pressure cylinder body 5, pressurized cylinder 15 Interior remaining water is pumped into water tank 10, when the water level of liquid level display sensor 9 no longer changes, closing bidirectional circulating pump 12, Water recycles sub-unit solenoid valve 18, completes pump process.The sealing fluid cylinder pressure 3 of starting sealing sub-unit, by end cap and pallet 2 from It is removed in high pressure cylinder body 5, starts Y-direction cylinder, bracket 4 is removed into workspace, and pallet 2 is separated with the buckle structure of end cap, Complete depressurization process；Slide unit component 1 is sent into workspace, then starts Z-direction gas by the Y-direction cylinder for starting slideway sub-unit Cylinder raises the upper layer of slide unit component 1, and connect buckle structure of the X on cylinder plunger rod with pallet 2, starts X to gas Cylinder removes pallet 2, reverse starting Z-direction cylinder out of high pressure cylinder body 5, reduces the height of pallet 2, last reverse starting Y-direction gas Slide unit component 1, pallet 2 and workpiece are removed workspace, complete discharge process by cylinder.

The utility model detects the critical external compressive resistance ability of tube body by control equipment inside water pressure, and all operational process are Automation control is reduced to overall process 10 minutes by 6 hours, saves 97% runing time, and realizes continuity batch Detection, operator are reduced to 1 people by original 3 people, save cost of labor 67%, also eliminate booster station, overhead traveling crane, small-sized thousand Jin top, the ancillary equipments such as hydraulic spanner reduce detection investment, while effectively improving working efficiency, reduce detect at This, further reduced the overall cost of product.

Aluminium drill pipe critical external compressive resistance detection device provided by the embodiment of the utility model, by control equipment inside water pressure come The critical external compressive resistance ability for detecting tube body, as shown in Fig. 2, being filled the water in the high pressure cylinder body of sealing, with the progress of the injecting process, cylinder body Interior hydraulic pressure can gradually increase, and water is identical to the pressure of surrounding objects, therefore the pressure of water is what tube surfaces were subject to Pressure.Such detection method is the actual operating conditions of simulation drilling rod, therefore testing result is consistent with practical effect.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (6)

1. a kind of aluminium drill pipe critical external compressive resistance detection device, which is characterized in that the aluminium drill pipe critical external compressive resistance detection device packet It includes:

For holding, positioning workpiece, and the slideway sub-unit with sealing sub-unit cooperation completion feeding, discharging；

Match with high pressure cylinder body sub-unit and be combined into seal cavity, and pressurize to sealing element, keeps high pressure cylinder body in the detection Sealing state, while with slideway sub-unit cooperate complete feeding, discharging sealing sub-unit；

For carrying workpiece, aqueous medium pressure is born in the detection process, and reflects the pressure that tube body, high pressure cylinder body are born in real time The high pressure cylinder body sub-unit of power；

For filling the water before detection and in high pressure cylinder body from detection process to high pressure cylinder body sub-unit, pressurized cylinder, detection terminates The water in high pressure cylinder body and pressurized cylinder is drawn back into water tank afterwards, the water circulation sub-unit for recycling aqueous medium；

It is injected in high pressure cylinder body for generating high pressure water, and by high pressure water, simulation tube body is height after the completion of detection by external pressure condition The pressurization sub-unit of cylinder pressure body pressure release.

2. aluminium drill pipe critical external compressive resistance detection device as described in claim 1, which is characterized in that the slideway sub-unit is by sliding Platform component, pneumatic cylinder, chassis and pallet composition；

Slide unit component is upper layer and lower layer, and upper layer is equipped with idler wheel and X to cylinder, and the bearing block of idler wheel is solid by bolt and upper layer Fixed, pallet is placed in the intermediate semi-circular recesses of idler wheel, and X is fixed to cylinder block with bolt and upper layer, plunger rod head end and support Disk is connected with buckle structure, and Z-direction cylinder is equipped between two layers of slide unit component, and Z-direction cylinder plunger is bolted with upper layer, Cylinder body is bolted with lower layer, and guiding axis upper and lower ends bolt is connect with the upper and lower level of slide unit component；

Chassis is connect by bolt with basic built-in fitting, and Y-direction cylinder is equipped on chassis, and cylinder body is fixed by bolt and chassis, Plunger rod is bolted with slide unit component lower layer, and chassis is connect with slide unit component lower layer by linear guide, linear guide Track fixed by bolt and chassis, the sliding block of linear guide is connect by bolt with slide unit component lower layer；

Chassis bears the weight of workpiece and other assemblies for installing slide unit component and cylinder；

Slide unit component unloads workpiece for carrying pallet and workpiece weight, and in realization automatically, and X makes pallet edge on idler wheel to cylinder X-axis is mobile.

3. aluminium drill pipe critical external compressive resistance detection device as described in claim 1, which is characterized in that the sealing sub-unit is by propping up Frame, end cap, sealing ring, cylinder, pedestal and sealing fluid cylinder pressure composition；

Pedestal is connect by bolt with basic built-in fitting, and Y-direction cylinder is equipped on pedestal, and cylinder body is fixed by bolt and pedestal, Plunger rod is bolted with bracket, and the T-shaped structure of bracket and the T-slot of high pressure cylinder body connect, the cylinder body of sealing fluid cylinder pressure Connect by bolt with bracket, the plunger rod of sealing fluid cylinder pressure connect by internal screw thread with connector, connector pass through bolt and End cap connection seals snare on the cylindrical surface of end cap；

Pedestal is used for mounting bracket and cylinder, and bears the weight of sealing fluid cylinder pressure, bracket and other assemblies.

4. aluminium drill pipe critical external compressive resistance detection device as described in claim 1, which is characterized in that the high pressure cylinder body sub-unit It is combined by high pressure cylinder body, upper body and lower body combination is constituted；

Upper body combination includes that high-voltage tube, pressure display sensor, the one one three-way electromagnetic valve and liquid level show sensor, high pressure Pipe one end is bolted with high pressure cylinder body, and the other end successively shows the valve block of sensor, the one one three-way electromagnetic valve with pressure And liquid level shows that sensor is connected by internal screw thread, nut；

Lower body combination includes high-voltage tube and three-way magnetic valve, and high-voltage tube one end is bolted with high pressure cylinder body, another End is connect with the valve block of three-way magnetic valve by internal screw thread, nut；High pressure cylinder body bottom is connect by bolt with basic built-in fitting；

High pressure cylinder body combines to form airtight cavity with end cap in the detection process for loading workpiece, bears internal generation Pressure；Pressure shows sensor for real-time measurement in the detection process, the internal pressure of display high pressure cylinder body, and the one one is powered Magnet valve is used to control high pressure cylinder body and liquid level shows the connection and disconnection of sensor；Liquid level shows sensor for showing high pressure cylinder Internal portion's water storage height, and the one one three-way electromagnetic valve is closed in the moment that water level reaches predetermined altitude；Lower body combination is used for Control high pressure cylinder body, water recycles sub-unit, connection and disconnection between pressurization sub-unit.

5. aluminium drill pipe critical external compressive resistance detection device as described in claim 1, which is characterized in that water circulation sub-unit by Water tank, liquid level show sensor, bidirectional circulating pump, servo motor, low-voltage tube, overflow valve composition；

Liquid level shows that sensor is connect by nut with water tank, and water tank is connect with bidirectional circulating pump by low-voltage tube, low-voltage tube two End is fixed with bolt, and servo motor is bolted with bidirectional circulating pump, and water tank is connect with overflow valve by low-voltage tube, low pressure Pipe both ends bolt, nut and internal screw thread are fixed, and bidirectional circulating pump, overflow valve are combined by threeway low-voltage tube with lower body Valve block connection, threeway low-voltage tube both ends bolt, nut and internal screw thread are fixed；Liquid level shows sensor for showing in water tank Water level, and alarm is issued when water level is too low, excessively high, positive and negative rotation can be realized by the bidirectional circulating pump that servo motor drives, be used for It fills the water and draws water into high pressure cylinder body, booster pump, overflow valve is used to discharge the intracorporal high pressure water of high pressure cylinder, and in lower body group In the case where closing solenoid valve whole closing, the low pressure water that bidirectional circulating pump can be made to generate injects water tank from overflow valve, prevents two-way Circulating pump forms open circuit between combining with lower body, damages bidirectional circulating pump.

6. aluminium drill pipe critical external compressive resistance detection device as described in claim 1, which is characterized in that the pressurization sub-unit is by adding Pressure cylinder, pressurized cylinder, liquid level show sensor, high-voltage tube, the 2nd 1 three-way electromagnetic valve and pedestal composition；

Pedestal is fixed by bolt and basic built-in fitting, and press cylinder, pressurized cylinder are connect by bolt with pedestal, pressurized hydraulic Cylinder, pressurized cylinder plunger rod on connector is equipped with by internal screw thread respectively, two connectors are bolted, pressurized cylinder with The valve block of lower body combination is connected by high-voltage tube, and high-voltage tube both ends bolt, nut and internal screw thread are fixed, pressurized cylinder top It is connect by high-voltage tube with the valve block of the 2nd 1 three-way electromagnetic valve, high-voltage tube both ends bolt, nut and internal screw thread are fixed, and valve block is another Side shows that sensor is connect by low-voltage tube with liquid level, and low-voltage tube both ends are fixed with internal screw thread and nut；

Pedestal bears the reaction force that press cylinder is applied on pressurized cylinder for installing press cylinder and pressurized cylinder, Press cylinder provides pressure for pressurized cylinder, and the water in pressurized cylinder is made to generate high pressure, and pressurized cylinder is used to generate high pressure water, and will be high Pressure water is injected into high pressure cylinder body by lower body combination, and liquid level shows sensor, and for showing, water storage is high inside pressurized cylinder Degree, the 2nd 1 three-way electromagnetic valve is used to control liquid level and shows the connection and disconnection of sensor and pressurized cylinder, and reaches predetermined in water level The moment of height closes the 2nd 1 three-way electromagnetic valve.