CN117969242A - Hydrostatic testing machine for polyethylene products - Google Patents
Hydrostatic testing machine for polyethylene products Download PDFInfo
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- CN117969242A CN117969242A CN202410356909.4A CN202410356909A CN117969242A CN 117969242 A CN117969242 A CN 117969242A CN 202410356909 A CN202410356909 A CN 202410356909A CN 117969242 A CN117969242 A CN 117969242A
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- testing machine
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- 238000012360 testing method Methods 0.000 title claims abstract description 68
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 55
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 55
- -1 polyethylene Polymers 0.000 title claims abstract description 54
- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000003028 elevating effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of pipe hydrostatic tests, in particular to a polyethylene product hydrostatic test machine, which comprises a hydrostatic test machine body, wherein a lifting table is arranged in a water tank of the hydrostatic test machine body, supporting tables are symmetrically and elastically connected on the lifting table, clamping blocks are symmetrically arranged on two sides of each supporting table, sliding blocks which are in sliding connection with the lifting table are arranged on one sides of the two supporting tables, a mounting block is arranged at the top end of each sliding block, one end of each mounting block, which is close to the supporting table, is connected with a rotating rod, one end of each rotating rod, which is close to the supporting table, is internally and elastically connected with an inner sleeve rod, one end of each inner sleeve rod, which is far away from each rotating rod, is connected with a fixed block, and one side of each lifting table is provided with a cleaning component. Therefore, the automatic positioning device can realize automatic positioning in the process of placing the pipe into the water tank, prevent the pipe from shifting, automatically remove partial water drops remained on the surface of the pipe after the test is finished, avoid affecting operators to observe the state of the pipe, save the operation time and improve the test efficiency.
Description
Technical Field
The invention relates to the technical field of hydrostatic tests of pipes, in particular to a hydrostatic testing machine for polyethylene products.
Background
The hydrostatic strength is an important index of polyethylene pipes, and refers to the strength of pipe products capable of working normally at a certain temperature and pressure, and the use environment of some polyethylene pipes has a certain pressure, so when corresponding batches of polyethylene pipes are produced, a pipe hydrostatic testing machine (the pipe hydrostatic testing machine is necessary testing equipment of pipe manufacturers or detection mechanisms and comprises a host and a water tank, and the host is provided with a pressure pump, a three-phase asynchronous motor, an electromagnetic valve, a touch screen, a temperature control instrument, a pressure transmitter and the like) is used for carrying out hydrostatic strength test to test whether the pipe meets the standard.
At present, current tubular product hydrostatic testing machine, for example, chinese patent with publication No. CN218382119U, a hydrostatic strength testing device for water supply polyethylene tubular product is disclosed, including the test host computer, box and case lid, there are two bottom plates in the side of box through the screw fixation, the welding has lift push rod on the surface of bottom plate, the top of two lift push rods is provided with the back timber, the top of back timber is provided with first connecting rod through the screw fixation, the bottom of two first connecting rod other ends is provided with the third connecting rod through the screw fixation, the central point of third connecting rod bottom is provided with first fixture block through the screw fixation, the central point of case lid top surface is provided with the stopper, the surface of stopper bottom is provided with four second connecting rods through the screw fixation, it can guarantee that the case lid is slow even to be closed, avoid too hard closed case lid to lead to taking place obvious bump between case lid and the box, but above-mentioned device not only lacks the subassembly of fixed tubular product, can take out a part of water in the water tank when the manual tubular product is put into (or take out) in the water tank, the remaining part water droplet on tubular product surface can influence operating personnel and observe tubular product surface state (whether have the swell, and use and the breach more.
How to realize automatic positioning in the process that the pipe is put into the water tank, prevent that the pipe from shifting to after the test is accomplished, automatic partial drop of water that gets rid of pipe surface remains avoids influencing operating personnel and observes the pipe state, practices thrift operating time, promotes test efficiency, becomes a technical problem that needs to break through.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects, the invention aims to provide a hydrostatic testing machine for polyethylene products, which has the advantages of simple structure and convenient use, can realize automatic positioning in the process of placing a pipe into a water tank, prevent the pipe from shifting, automatically remove partial water drops remained on the surface of the pipe after the test is finished, avoid influencing operators to observe the state of the pipe, save the operation time and improve the testing efficiency.
In order to achieve the above purpose, the invention provides a hydrostatic testing machine for polyethylene products, which comprises a hydrostatic testing machine body, wherein the hydrostatic testing machine body comprises a water tank, a lifting table capable of lifting is arranged in the water tank, supporting tables are symmetrically and elastically connected to the lifting table, positioning grooves are formed in the top ends of the supporting tables, clamping blocks are symmetrically arranged on two sides of the supporting tables, the bottom ends of the clamping blocks are elastically connected to the inside of the lifting table, the bottoms of the supporting tables penetrate into the lifting table and are symmetrically connected with a trigger block, matching grooves matched with the trigger block are formed in the clamping blocks, and a top block is elastically connected to one end, close to the center of symmetry, of each clamping block.
One side of two supporting tables is equipped with sliding connection in the sliding block of elevating platform, the bottom of sliding block inserts in the elevating platform and elastic connection in the elevating platform, is equipped with the ejector pin on the supporting bench that is close to the sliding block, be equipped with on the sliding block with ejector pin complex cooperation pole, the top of sliding block is equipped with the mounting groove, the sliding of mounting groove is provided with the mounting block, the one end that the mounting block is close to the supporting bench rotates and is connected with rotatable rotary rod, the one end that the rotary rod is close to the supporting bench is inside elastic connection has the endotheca pole, the fixed block is connected to the one end that the endotheca pole kept away from to the rotary rod, the one end that the fixed block kept away from the endotheca pole is equipped with the transmission groove, is equipped with the polyethylene pipe between two supporting tables, the both ends of polyethylene pipe all are equipped with and are suppressed the pipe strap, one of which is equipped with on the pipe strap and drive groove complex transmission piece, another is suppressed pipe strap rotates and is connected the raceway, one side of elevating platform is equipped with the support column, one end that is close to the elevating platform is equipped with the cleaning component with the polyethylene pipe complex, cleaning component including horizontal movable cleaning block and first slider.
The cleaning assembly comprises a first fixed frame, a first slide way is arranged on the first fixed frame, the first slide block is arranged in the first slide way in a sliding mode, an air inlet and an air outlet which are matched with cleaning pieces are formed in the first slide block, a lifting block capable of lifting is arranged at the top end of the first slide block, a second fixed frame is arranged above the first fixed frame, a second slide way is arranged on the second fixed frame, a rotatable threaded rod is rotationally connected to the second slide way, a second slide block is connected to the threaded rod in a threaded mode, and a clamping groove which is matched with the lifting block is formed in the bottom end of the second slide block.
According to the hydrostatic testing machine for the polyethylene products, the cleaning piece is a fan, and the air inlet and the air outlet are both provided with dustproof screens.
According to the polyethylene product hydrostatic testing machine disclosed by the invention, the bottom end of the lifting table is connected with the sleeve, the sleeve is internally connected with the rotatable driving rod in a threaded manner, and one side of the lifting table is symmetrically provided with the limiting rods in a penetrating manner.
According to the polyethylene product hydrostatic testing machine disclosed by the invention, the bottom ends of the supporting tables are inserted into the lifting tables, the supporting tables in the lifting tables are symmetrically provided with the inserting blocks, the lifting tables are internally provided with the inserting grooves matched with the inserting blocks, the inserting blocks are arranged in the inserting grooves in a sliding manner, and elastic pieces are arranged between the inserting blocks and the inserting grooves.
According to the hydrostatic testing machine for the polyethylene products, the outer parts of the two pressing pipe clamps are rotatably connected with the positioning rings.
According to the hydrostatic testing machine for the polyethylene products, one ends, close to the symmetry center, of the clamping blocks are elastically connected with the top blocks.
According to the hydrostatic testing machine for the polyethylene product, locking rods are symmetrically threaded at two ends of the sliding block, one ends of the locking rods, which are close to the installation block, are connected with the locking blocks, the locking blocks are abutted to the sliding block, and one ends of the locking rods, which are far away from the installation block, are connected with the connecting blocks.
According to the hydrostatic testing machine for the polyethylene product, the end, close to the matching rod, of the ejector rod and the end, close to the ejector rod, of the matching rod are provided with mutually matched cambered surfaces.
According to the hydrostatic testing machine for the polyethylene product, the transmission block is a spline, and the transmission groove is a key groove.
The invention aims to provide a hydrostatic testing machine for polyethylene products, which comprises a lifting component and a positioning component, wherein the lifting component and the positioning component are mutually matched, so that automatic positioning can be realized in the process of placing a pipe into a water tank, and the pipe is prevented from shifting; the cleaning assembly, the lifting assembly and the positioning assembly are mutually matched, so that residual partial water drops on the surface of the pipe can be automatically removed after the test is completed, the influence on the state of the pipe observed by operators is avoided, the operation time is saved, and the test efficiency is improved. In summary, the beneficial effects of the invention are as follows: can realize automatic positioning in the in-process that the tubular product was put into the water tank, prevent that the tubular product from shifting to after the test is accomplished, automatic get rid of the remaining partial drop of tubular product surface, avoid influencing operating personnel and observe tubular product state, practice thrift operating time, promote test efficiency.
Drawings
FIG. 1 is a block diagram of the present invention; FIG. 2 is a block diagram of a lifting assembly; FIG. 3 is a block diagram of the polyethylene pipe after it has been positioned; FIG. 4 is a longitudinal cross-sectional view of the support table; FIG. 5 is a block diagram of the drive block; FIG. 6 is a longitudinal cross-sectional view of the mounting block; FIG. 7 is a longitudinal cross-sectional view of the sleeve; FIG. 8 is a longitudinal cross-sectional view of the locking bar; in the figure: the device comprises a 1-hydrostatic testing machine body, 11-testing main machine, 12-water tank, 2-lifting component, 21-lifting platform, 211-limiting hole, 22-sleeve, 23-driving rod, 24-first driving piece, 3-positioning component, 31-supporting platform, 311-positioning groove, 312-triggering piece, 32-clamping piece, 321-matching groove, 322-jacking piece, 323-jacking rod, 33-sliding piece, 331-matching rod, 332-mounting groove, 34-mounting piece, 341-rotating rod, 342-inner sleeve rod, 343-fixing piece, 344-driving groove, 345-second driving piece, 35-locking rod, 351-locking piece, 352-connecting piece, 4-pressing pipe clamp, 41-positioning ring, 42-communicating pipe, 43-driving piece, 5-polyethylene pipe, 6-elastic piece, 7-supporting column, 8-cleaning component, 81-first fixing frame, 811-first slide rail, 82-first slide block, 821-net, 822-lifting piece, 83-second fixing frame, 84-second slide block, 831-second slide block and 831-cleaning piece.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "engaged/connected," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, may be a detachable connection, or may be an integral connection, may be a mechanical connection, may be an electrical connection, may be a direct connection, may be an indirect connection via an intermediary, may be a communication between two elements, and for one of ordinary skill in the art, the specific meaning of the terms in this disclosure may be understood in a specific case.
Referring to fig. 1, fig. 2, fig. 3 and fig. 7, the invention provides a hydrostatic testing machine for a polyethylene product, which comprises a hydrostatic testing machine body 1 (the structure of the hydrostatic testing machine body 1 is the same as that of the prior art, and comprises a testing host 11, a water tank 12 and other structures, which are mature in the prior art, and the specific structure and the working principle of the hydrostatic testing machine are not repeated herein), a lifting assembly 2 is arranged in the water tank 12 of the hydrostatic testing machine body 1, the lifting assembly 2 comprises a lifting table 21, the bottom end of the lifting table 21 is connected with a sleeve 22, the sleeve 22 is internally connected with a driving rod 23 in a threaded manner, the bottom end of the driving rod 23 is inserted into the water tank 12 and is connected with a first driving piece 24, the first driving piece 24 can drive the driving rod 23 to rotate, one side of the lifting table 21 is symmetrically provided with a limiting rod (not drawn in the drawing), the lifting table 21 is symmetrically provided with limiting holes 211, the bottom ends of the limiting rods are all provided with limiting rods in the limiting holes 211, and the bottom ends of the limiting rods are all connected with the inner bottom surface of the water tank 12; the first driving piece 24 is started, the first driving piece 24 drives the driving rod 23 to rotate, the sleeve 22 cannot rotate along with the driving rod 23 under the limit of the limit rod and the limit hole 211, only the lifting table 21 can be driven to perform lifting movement, and the polyethylene pipe 5 can be immersed into the liquid of the water tank 12 (or the polyethylene pipe 5 can be taken out from the liquid of the water tank 12) through the movement of the lifting table 21.
Referring to fig. 1-6, a positioning assembly 3 is arranged on a lifting table 21, the positioning assembly 3 comprises a supporting table 31 which is symmetrically and elastically connected to the lifting table 21 (the bottom end of the supporting table 31 is inserted into the lifting table 21, the supporting table 31 inside the lifting table 21 is symmetrically provided with inserting blocks, the lifting table 21 is internally provided with inserting grooves matched with the inserting blocks, the inserting blocks are slidably arranged in the inserting grooves, elastic pieces 6 are arranged between the inserting blocks and the inserting grooves), the top end of the supporting table 31 is provided with a positioning groove 311 (the bottom end of the positioning groove 311 is lower than the top end of the supporting table 31, the bottom end of the positioning groove 311 is positioned in the middle of the supporting table 31), two sides of the supporting table 31 are symmetrically provided with clamping blocks 32 which are slidably connected to the lifting table 21, two clamping blocks 32 positioned on two sides of the same supporting table 31 can simultaneously slide towards one side close to (or far away from) the supporting table 31, the bottom ends of the clamping blocks 32 are all inserted into the lifting table 21, the bottom ends of the clamping blocks 32 are elastically connected to the inside the lifting table 21 (the clamping blocks 32, the connecting mode between the lifting table 21 is identical to the supporting table 31 and the connecting mode between the lifting table 21 and the lifting table 21 is identical to the top end of the supporting table 31, the bottom end of the supporting table 31 is positioned in the middle of the supporting table 31), and the supporting table is provided with a trigger block 312 which is not matched with the supporting table 21, and the two clamping blocks are arranged in the supporting table 21, and the two sides of the supporting blocks are arranged on the supporting table 31, and two sides of the supporting block 32, and the supporting block is located on the supporting table 31; when the supporting table 31 moves downwards, the trigger blocks 312 are all abutted against the matching grooves 321, and as the supporting table 31 moves downwards continuously, the trigger blocks 312 push the clamping blocks 32, so that the clamping blocks 32 on two sides of the supporting table 31 move towards one side close to the supporting table 31 at the same time; the clamping blocks 32 are all elastically connected with the ejector blocks 322 near one end of the symmetry center (the connection mode between the clamping blocks 32 and the ejector blocks 322 is the same as the connection mode between the supporting table 31 and the lifting table 21, the specific structure and the working principle of the clamping blocks are not repeated here), the bottom ends of the ejector blocks 322 are all located above the supporting table 31, and when the clamping is performed by using the two clamping blocks 32 located on two sides of the same supporting table 31, the clamping stability of the ejector blocks 322 can be further improved.
Referring to fig. 2 to 8, one side of one supporting table 31 far from the symmetry center is provided with a sliding block 33 slidingly connected to the lifting table 21, the bottom end of the sliding block 33 is inserted into the lifting table 21, the sliding block 33 inside the lifting table 21 is elastically connected to the lifting table 21 (the connection mode between the lifting table 21 and the sliding block 33 is the same as the connection mode between the supporting table 31 and the lifting table 21, the specific structure and the working principle are not repeated here), one end of the supporting table 31 inside the lifting table 21 near the sliding block 33 is connected with a push rod 323 (the push rod 323 is slidingly connected to the lifting table 21), one side of the sliding block 33 inside the lifting table 21 near the push rod 323 is provided with a matching rod 331 matched with the push rod 323, and one end of the push rod 323 near the matching rod 331 and one end of the matching rod 331 near the push rod 323 are mutually abutted, when the push rod 323 descends along with the supporting table 31, the ejector rod 323 is disengaged from the matching rod 331, the sliding block 33 moves to a side close to the supporting table 31, the top end of the sliding block 33 is provided with a mounting groove 332, the mounting groove 332 is slidably provided with a mounting block 34, one end of the mounting block 34 close to the supporting table 31 is rotatably connected with a rotating rod 341, one end of the rotating rod 341 far away from the supporting table 31 penetrates into the mounting block 34 to be connected with a second driving piece 345, the second driving piece 345 can drive the rotating rod 341 to rotate, one end of the rotating rod 341 close to the supporting table 31 is elastically connected with an inner sleeve rod 342 (the inner sleeve rod 342 is inserted into the rotating rod 341, the inner sleeve rod 342 in the rotating rod 341 is symmetrically provided with a lug, the rotating rod 341 is internally provided with a groove matched with the lug, the lugs are slidably arranged in the groove, elastic pieces 6 are arranged between the lug and the groove), the inner sleeve rod 342 is pushed, the lug presses the elastic pieces 6 at the place, the inner sleeve rod 342 can retract into the rotating rod 341, under the limitation of the protruding blocks and the grooves, the inner sleeve rod 342 can rotate along with the rotating rod 341, one end of the inner sleeve rod 342 far away from the rotating rod 341 is connected with the fixing block 343, and one end of the fixing block 343 far away from the inner sleeve rod 342 is provided with the transmission groove 344.
Referring to fig. 2 to 8, locking rods 35 are symmetrically threaded at two ends of a sliding block 33, one end of each locking rod 35, which is close to an installation block 34, is connected with a locking block 351, each locking block 351 is abutted against the sliding block 33, the locking rod 35 is rotated to lock the position of the installation block 34, a polyethylene pipe 5 is arranged between two supporting tables 31, two ends of each polyethylene pipe 5 are provided with a pipe clamp 4 (the structure of the pipe clamp 4 is the same as that of the prior art, the structure of the pipe clamp 4 comprises a communicating pipe 42 and the like, and is the prior art mature in the field, namely a pipe pressure test clamp, the function of which is to seal two ends of the polyethylene pipe 5, the specific structure and function of which are not repeated herein), one end, which is close to the fixing block 343, of the pipe clamp 4, which is close to the fixing block 343 is provided with a transmission block 43 matched with a transmission groove 344, the transmission block 43 can drive the pipe clamp 4 and the polyethylene pipe 5 to rotate, and the communicating pipe clamp 42, which is far from the pipe clamp 4 of the sliding block 33, is rotationally connected with a communicating pipe 4 (the prior art is not drawn in the field, the prior art, the function of the pipe clamp 5 is inwards and is a water transmission pipeline 4 is prevented from being wound in the process of pressing pipe clamp rotation; when the sliding block 33 moves to the side close to the supporting table 31, the height of the mounting block 34 can be adjusted, the transmission groove 344 is opposite to the transmission block 43, the position of the mounting block 34 is locked by the locking rod 35, and the transmission block 43 is inserted into the transmission groove 344.
Referring to fig. 2-8, preferably, the outer parts of the two pipe clamps 4 are both rotationally connected with a positioning ring 41, so that the pipe clamps 4 are prevented from being in direct contact with the positioning groove 311 and are mutually worn.
Referring to fig. 2-8, preferably, the transmission block 43 is a spline, the transmission groove 344 is a key groove, the types of the transmission block 43 and the transmission groove 344 can be adjusted, so that the transmission block 43 and the transmission groove 344 can be conveniently matched, and the second driving piece 345 can be started, so that the auxiliary transmission block 43 is matched with the transmission groove 344.
Referring to fig. 2-8, preferably, the end of the locking rod 35 remote from the mounting block 34 is connected to a connection block 352, which facilitates the operator to rotate the locking rod 35.
Referring to fig. 2 to 8, preferably, the end of the ejector rod 323 close to the matching rod 331 and the end of the matching rod 331 close to the ejector rod 323 are both provided with mutually matched cambered surfaces.
Referring to fig. 1 and 2, a support column 7 is arranged on one side of a lifting table 21, the support column 7 is connected to the inner wall of a water tank 12, one end of the support column 7, which is close to the lifting table 21, is provided with a cleaning component 8, the cleaning component 8 comprises a first fixed frame 81, a first slideway 811 is arranged on the first fixed frame 81, a first sliding block 82 is arranged in the first sliding block 82 in a sliding manner, an air inlet and an air outlet (the air outlet is opposite to the lifting table 21) matched with the cleaning component are arranged on the first sliding block 82, dust-proof nets 821 are arranged on the air inlet and the air outlet, lifting blocks 822 are arranged at the top end of the first sliding block 82, a telescopic piece is arranged inside the first sliding block 82, the top end of the telescopic piece penetrates out of the first sliding block 82 to be connected with a lifting block 822, the telescopic piece can drive the lifting block 822 to lift, a second fixed frame 83 is arranged on the second fixed frame 83, a threaded rod is connected with one end of the threaded rod 831 in a rotating manner, one end of the threaded rod is connected with a third driving piece, the third driving piece is connected with a third sliding block 83 in the sliding block 831 in a sliding manner, the third sliding block is connected with the second sliding block 84, and the second sliding block is in a sliding block 84 can move up-down groove 84 is arranged on the second fixed frame 831, and the second sliding block is in a sliding block is a sliding block 84 can be driven to move up and down, for example, the second sliding block is a lifting block 84 can be driven to move up and a lifting block 84 is arranged in a lifting groove 84 is in a sliding groove is a lifting groove 84 lifting groove is arranged; the first sliding block 82 and the lifting table 21 are spaced, so that the movement of the lifting table 21 is not affected, and one end of the cleaning block 841, which is close to the polyethylene pipe 5, can be abutted against the polyethylene pipe 5 (the lifting table 21 cannot move above the cleaning block 841, so that the cleaning block and the lifting block are not interfered with each other).
Referring to fig. 1 to 8, preferably, the first driving member 24, the second driving member 345 and the third driving member in the present invention are all rotating motors, the telescopic member is an electric cylinder, the device is powered, and the cleaning member is a fan, and the specific structure and the working principle thereof are not described herein.
Referring to fig. 1 to 8, preferably, the elastic member 6 is a spring, and provides return power.
Referring to fig. 1 to 8, preferably, the electronic device (for example, the first driving member 24) and other structures vulnerable to water should be waterproof, so as to prolong the service life.
Referring to fig. 1 to 8, firstly, lifting up and down table 21 is lifted up, polyethylene pipe 5 and pipe clamp 4 are connected, then polyethylene pipe 5 is placed on two support tables 31, positioning ring 41 is abutted against positioning groove 311, at this time, support tables 31 are all moved down, trigger block 312 pushes clamping block 32, clamping blocks 32 on two sides of support table 31 are simultaneously moved to one side close to support table 31, top block 322 is abutted against positioning ring 41, sliding block 33 is simultaneously moved to one side close to support table 31, height of mounting block 34 is adjusted, transmission block 43 is inserted into transmission groove 344, lifting up and down table 21 can be lowered down (in the whole process, factors such as fluctuation and water buoyancy when lifting up table 21 is lowered will not affect polyethylene pipe 5, and can be ignored) until polyethylene pipe 5 is immersed into water, and then test can be started (test steps are the same as in the prior art, and details are omitted).
Referring to fig. 1 to 8, after the test, the lifting platform 21 is lifted, when the lifting platform 21 moves to the first sliding block 82, the telescopic member is opened, the lifting block 822 is inserted into the clamping groove, the second driving member 345 and the third driving member are opened, so that water on the surface of the polyethylene pipe 5 can be blown away by using the cleaning member (if the water on the surface of the polyethylene pipe 5 is less, the step can not be performed), after most of water is blown away, the third driving member is closed, the telescopic member is opened, the lifting block 822 is disengaged from the clamping groove, the lifting platform 21 is lifted, and when the lifting platform 21 moves to the second sliding block 84, the third driving member is opened, so that the cleaning block 841 can be used for wiping the surface of the polyethylene pipe 5.
Referring to fig. 1 to 8, after cleaning, the third driving member is turned on to observe the polyethylene pipe 5, and after observing, the inner sleeve rod 342 is pushed to disengage the transmission groove 344 and the transmission block 43, so that the polyethylene pipe 5 can be taken out.
The invention provides a hydrostatic testing machine for polyethylene products, which comprises a lifting assembly and a positioning assembly, wherein the lifting assembly and the positioning assembly are mutually matched, so that automatic positioning can be realized in the process of placing a pipe into a water tank, and the pipe is prevented from shifting; the cleaning assembly, the lifting assembly and the positioning assembly are mutually matched, so that residual partial water drops on the surface of the pipe can be automatically removed after the test is completed, the influence on the state of the pipe observed by operators is avoided, the operation time is saved, and the test efficiency is improved. In summary, the beneficial effects of the invention are as follows: can realize automatic positioning in the in-process that the tubular product was put into the water tank, prevent that the tubular product from shifting to after the test is accomplished, automatic get rid of the remaining partial drop of tubular product surface, avoid influencing operating personnel and observe tubular product state, practice thrift operating time, promote test efficiency.
Of course, the present invention is capable of other various embodiments and its several details are capable of modification and variation in light of the present invention, as will be apparent to those skilled in the art, without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The hydrostatic testing machine for the polyethylene products is characterized by comprising a hydrostatic testing machine body, wherein the hydrostatic testing machine body comprises a water tank, a lifting table capable of lifting is arranged in the water tank, support tables are symmetrically and elastically connected to the lifting table, positioning grooves are formed in the top ends of the support tables, clamping blocks are symmetrically arranged on two sides of the support tables, the bottom ends of the clamping blocks are elastically connected to the inside of the lifting table, the bottom of the support table penetrates into the lifting table and is symmetrically connected with a trigger block, matching grooves matched with the trigger block are formed in the clamping blocks, and a top block is elastically connected to one end, close to the symmetry center, of each clamping block;
One side of two supporting tables is equipped with sliding connection in the sliding block of elevating platform, the bottom of sliding block inserts in the elevating platform and elastic connection in the elevating platform, is equipped with the ejector pin on the supporting bench that is close to the sliding block, be equipped with on the sliding block with ejector pin complex cooperation pole, the top of sliding block is equipped with the mounting groove, the sliding of mounting groove is provided with the mounting block, the one end that the mounting block is close to the supporting bench rotates and is connected with rotatable rotary rod, the one end that the rotary rod is close to the supporting bench is inside elastic connection has the endotheca pole, the fixed block is connected to the one end that the endotheca pole kept away from to the rotary rod, the one end that the fixed block kept away from the endotheca pole is equipped with the transmission groove, is equipped with the polyethylene pipe between two supporting tables, the both ends of polyethylene pipe all are equipped with and are suppressed the pipe strap, one of which is equipped with on the pipe strap and drive groove complex transmission piece, another is suppressed pipe strap rotates and is connected the raceway, one side of elevating platform is equipped with the support column, one end that is close to the elevating platform is equipped with the cleaning component with the polyethylene pipe complex, cleaning component including horizontal movable cleaning block and first slider.
2. The hydrostatic testing machine for polyethylene products according to claim 1, wherein the cleaning assembly comprises a first fixed frame, a first slide way is arranged on the first fixed frame, the first slide block is slidably arranged in the first slide way, an air inlet and an air outlet matched with the cleaning piece are arranged on the first slide block, a lifting block capable of lifting is arranged at the top end of the first slide block, a second fixed frame is arranged above the first fixed frame, a second slide way is arranged on the second fixed frame, a rotatable threaded rod is rotationally connected to the second slide way, a second slide block is connected to the threaded rod in a threaded manner, and a clamping groove matched with the lifting block is arranged at the bottom end of the second slide block.
3. The hydrostatic testing machine for polyethylene products according to claim 2, wherein the cleaning member is a fan, and dust screens are arranged on the air inlet and the air outlet.
4. The hydrostatic testing machine for polyethylene products according to claim 1, wherein the bottom end of the lifting platform is connected with a sleeve, a rotatable driving rod is connected in the sleeve in a threaded manner, and limit rods are symmetrically arranged on one side of the lifting platform in a penetrating manner.
5. The hydrostatic testing machine for polyethylene products according to claim 1, wherein the bottom ends of the supporting tables are inserted into the lifting tables, the supporting tables in the lifting tables are symmetrically provided with inserting blocks, the lifting tables are internally provided with inserting grooves matched with the inserting blocks, the inserting blocks are slidably arranged in the inserting grooves, and elastic pieces are arranged between the inserting blocks and the inserting grooves.
6. The hydrostatic testing machine for polyethylene products according to claim 1, wherein the outer portions of both of the pressing pipe clamps are rotatably connected with a positioning ring.
7. The hydrostatic testing machine for polyethylene products according to claim 1, wherein the clamping blocks are each elastically connected with a top block at one end thereof near the center of symmetry.
8. The hydrostatic testing machine for polyethylene products according to claim 1, wherein locking rods are threaded symmetrically at two ends of the sliding block, one ends of the locking rods, which are close to the installation block, are connected with the locking blocks, the locking blocks are abutted against the sliding block, and one ends of the locking rods, which are far away from the installation block, are connected with the connecting block.
9. The hydrostatic testing machine for polyethylene products according to claim 1, wherein the end of the ejector rod close to the matching rod and the end of the matching rod close to the ejector rod are provided with mutually matched cambered surfaces.
10. The hydrostatic testing machine of claim 1, wherein said driving blocks are splines and said driving grooves are keyways.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410356909.4A CN117969242B (en) | 2024-03-27 | Hydrostatic testing machine for polyethylene products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410356909.4A CN117969242B (en) | 2024-03-27 | Hydrostatic testing machine for polyethylene products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117969242A true CN117969242A (en) | 2024-05-03 |
| CN117969242B CN117969242B (en) | 2024-06-21 |
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