CN114109972A - Pressure-resistant test tool for single-acting oil cylinder - Google Patents
Pressure-resistant test tool for single-acting oil cylinder Download PDFInfo
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- CN114109972A CN114109972A CN202111678351.4A CN202111678351A CN114109972A CN 114109972 A CN114109972 A CN 114109972A CN 202111678351 A CN202111678351 A CN 202111678351A CN 114109972 A CN114109972 A CN 114109972A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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Abstract
The application relates to a withstand voltage test frock of single-action hydro-cylinder relates to the field of the withstand voltage test of hydro-cylinder, and it includes: a work table; the clamping block is fixed on the workbench, at least one assembling clamping groove is formed in the clamping block, one group of clamping grooves comprises two clamping grooves, the clamping grooves are used for placing the cylinder body of the oil cylinder, and the opening of each clamping groove faces away from the workbench; the clamping plates are rotatably connected to one side, back to the workbench, of the clamping block, one clamping plate corresponds to the assembling clamping groove, and the clamping plates are matched with the cylinder body of the clamping block clamping oil cylinder; the tail end limiting block is fixed on the workbench and is used for abutting against the tail end of the oil cylinder; the connecting pipes correspond to the clamping grooves one by one; the piston rod limiting block is connected to the workbench in a sliding mode along the axial direction of the oil cylinders and is used for abutting piston rods of the oil cylinders, and the opposite surfaces of the piston rod limiting block and the tail end limiting block are parallel to each other; and the driving assembly is arranged on the workbench and drives the piston rod limiting block to slide. This application has the effect that improves the efficiency of software testing of single-action hydro-cylinder.
Description
Technical Field
The application relates to the field of oil cylinder pressure resistance tests, in particular to a pressure resistance test tool for a single-action oil cylinder.
Background
Before leaving factories, the oil cylinders need to be subjected to pressure-resistant test to detect whether the oil cylinders meet the factory-leaving standards, and the single-acting oil cylinder is used as one of the oil cylinders.
The single-acting oil cylinder only has one oil port, and the extended piston rod cannot be pushed back through oil pressure, so that the piston rod can be pushed back into the cylinder body only by means of external force. In the related art, when a pressure resistance test is performed, a single oil cylinder is directly fixed on a workbench, and after a piston rod extends out of a cylinder body, the piston rod is pushed back into the cylinder body through a corresponding air cylinder.
In view of the above-mentioned related technologies, the inventor believes that only one single-acting cylinder can be tested at a time through the above-mentioned manner, which results in low testing efficiency of the single-acting cylinder and leaves room for improvement.
Disclosure of Invention
In order to improve the efficiency of testing of single-action hydro-cylinder, this application provides a single-action hydro-cylinder withstand voltage test frock.
The application provides a withstand voltage test frock of single-action hydro-cylinder adopts following technical scheme:
the utility model provides a single-action hydro-cylinder withstand voltage test frock, includes:
a work table;
the clamping block is fixed on the workbench, at least one assembling clamping groove is formed in the clamping block, one group of clamping grooves comprises two clamping grooves, the clamping grooves are used for placing the cylinder body of the oil cylinder, and the opening of each clamping groove faces away from the workbench;
the clamping plates are rotatably connected to one side, back to the workbench, of the clamping block, one clamping plate corresponds to one assembling clamping groove, and the clamping plates are matched with the cylinder body of the clamping oil cylinder of the clamping block;
the tail end limiting block is fixed on the workbench and is used for abutting against the tail end of the oil cylinder;
the connecting pipes correspond to the clamping grooves one by one, and one end of each connecting pipe is used for being connected with an oil inlet pipe of the oil cylinder;
the piston rod limiting block is connected to the workbench in a sliding mode along the axial direction of the oil cylinders and is used for abutting piston rods of the oil cylinders, and the opposite surfaces of the piston rod limiting block and the tail end limiting block are parallel to each other; and
the driving assembly is arranged on the workbench and drives the piston rod limiting block to slide on the workbench.
By adopting the technical scheme, at least two oil cylinders can be clamped at one time, namely, the pressure resistance test can be simultaneously carried out on at least two oil cylinders at one time, so that the test efficiency of the single-acting oil cylinder is improved; after the withstand voltage test is finished, the piston rod limiting blocks can push the piston rods of at least two oil cylinders back into the cylinder bodies of the oil cylinders under the driving of the driving assembly, and the push-back efficiency of the piston rods of the oil cylinders is improved.
Optionally, the drive assembly includes the stopper driving source and floats and connects, the stopper driving source with the quantity that floats and connect is two, the one end that floats connect with the piston rod of stopper driving source is connected, the other end that floats connect with the piston rod stopper is connected.
Through adopting above-mentioned technical scheme, two stopper driving sources pass through floating the articulate with the piston rod stopper, conveniently adjust the piston rod stopper and make piston rod stopper and tail end stopper be parallel to each other.
Optionally, the upper side of the workbench is provided with an installation surface, the installation surface is arranged in an inclined manner, the clamping block, the tail end limiting block, the piston rod limiting block and the driving assembly are all arranged on the installation surface, and the height of the oil cylinder is gradually reduced along the inclined direction of the installation surface.
Through adopting above-mentioned technical scheme for the staff stands in the subaerial that corresponds with installation face least side and can carry out the dismouting to the hydro-cylinder, has improved the dismouting efficiency of hydro-cylinder.
Optionally, one side of the tail end limiting block, which is close to the clamping block, is provided with a limiting groove for inserting the tail end of the oil cylinder.
By adopting the technical scheme, the oil cylinder is not easy to shake when the pressure resistance test is carried out.
Optionally, one end of the connecting pipe is fixed with a first nut, threaded connection has a joint pipe on the first nut, the cover is equipped with the second nut that is used for the advance oil pipe of threaded connection hydro-cylinder on the joint pipe, the second nut with the joint pipe rotates to be connected, the second nut is close to be equipped with the fender ring on the inside wall of connecting pipe, the joint pipe is kept away from the spacing ring is located to the one end of connecting pipe, the spacing ring locate in the second nut and with keep off the ring spacing mutually.
Through adopting above-mentioned technical scheme for the second nut rotates to be connected on the connecting pipe, with the convenient advance oil pipe with the connecting pipe and the hydro-cylinder be connected, the difficult distortion of connecting pipe when making the rotatory installation of second nut on advancing oil pipe of hydro-cylinder, and then more laborsaving when making the second nut install on advancing oil pipe of hydro-cylinder.
Optionally, the device further comprises a rotating component for driving at least two second nuts to be in threaded connection with an oil inlet pipe of the oil cylinder, the rotating component comprises a support plate, a driven synchronous pulley, a driving synchronous pulley, a synchronous belt and a rotating drive source, the rotating drive source is fixed on the support plate, the driving synchronous pulley is arranged on one side, close to the workbench, of the support plate and fixed on an output shaft of the rotating drive source, the driven synchronous pulley and the second nuts are in one-to-one correspondence, the driven synchronous pulley is rotationally connected to one side, close to the workbench, of the support plate, the driven synchronous pulley and the driving synchronous pulley are connected through synchronous belt transmission, the connecting pipe is arranged on the support plate in a penetrating manner, the second nuts are arranged in the driven synchronous pulley and rotate along with the driven synchronous pulley, and the driven synchronous pulley is far away from the inner side wall of the workbench and is provided with a blocking ring, the size of the inner hole of the stop ring is smaller than that of the second nut.
Through adopting above-mentioned technical scheme for a plurality of second nuts can be at the rotation driving source order about on the oil pipe that advances of hydro-cylinder is installed in the rotation, make a plurality of second nuts pull down on the oil pipe that advances of hydro-cylinder under the order about of rotation driving source simultaneously, have improved the dismouting efficiency of hydro-cylinder and connecting pipe.
Optionally, the rotating assembly further includes an elastic pressing member, the elastic pressing member is disposed in the inner hole of the driven synchronous pulley, the elastic pressing member is sleeved on the connecting pipe and the first nut, and the elastic pressing member enables the second nut to keep a trend of being away from the first nut.
Through adopting above-mentioned technical scheme for when the second nut was installed on the oil inlet pipe of hydro-cylinder, the second nut kept the contact with the oil inlet pipe of hydro-cylinder under the driving of elasticity pressing member, in order to make things convenient for the second nut rotatory installation on the oil inlet pipe of hydro-cylinder under driven synchronous pulley's drive.
Optionally, still including ordering about the backup pad in the lifting unit that goes up and down on the workstation, lifting unit includes lead screw and promotion synchronous pulley, the quantity of lead screw is two and is fixed in on the workstation, two the lead screw is worn to locate respectively the both ends of backup pad, promote synchronous pulley with the lead screw one-to-one, promote synchronous pulley cover and locate on the lead screw and with lead screw threaded connection, promote synchronous pulley with initiative synchronous pulley wheel passes through synchronous belt drive connects, promote synchronous pulley with the backup pad rotates to be connected in order to order about the backup pad is followed the axial of lead screw slides.
Through adopting above-mentioned technical scheme for the backup pad can slide along the axial of lead screw under the drive that promotes synchronous pulley, carries out the dismouting with the oil pipe that advances of hydro-cylinder with the convenience.
Optionally, a rotating sleeve is fixed on the lifting synchronous pulley, a through hole for the rotating sleeve to penetrate is formed in the supporting plate, the rotating sleeve penetrates through the through hole, a limiting nut is connected to the rotating sleeve through threads, and the lifting synchronous pulley and the limiting nut are clamped on two sides of the supporting plate in a matched mode.
Through adopting above-mentioned technical scheme for promote synchronous pulley and connect in the backup pad along self circumferential direction.
Optionally, one side of the tail end limiting block, which is close to the clamping block, is fixed with a positioning clamping column, the two positioning clamping columns correspond to one clamping groove, and the two positioning clamping columns are used for clamping an oil inlet pipe of the oil cylinder.
By adopting the technical scheme, when the oil cylinder is clamped on the clamping block, the two positioning clamping columns are used for clamping and positioning the oil inlet pipe of the oil cylinder, so that the oil inlet pipe of the oil cylinder is aligned with the second nut, and the second nut is conveniently connected with the oil inlet pipe of the oil cylinder.
In summary, the present application includes at least one of the following beneficial technical effects:
1. at least two oil cylinders can be clamped once, namely, the pressure resistance test can be simultaneously carried out on at least two oil cylinders once, so that the test efficiency of the single-action oil cylinder is improved; after the pressure resistance test is finished, the piston rod limiting blocks can push the piston rods of at least two oil cylinders back into the cylinder bodies of the oil cylinders under the driving of the driving assembly, so that the pushing back efficiency of the piston rods of the oil cylinders is improved;
2. a plurality of second nuts can be rotated under the driving of rotation driving source and install on the oil pipe that advances of hydro-cylinder, make a plurality of second nuts pull down on the oil pipe that advances of hydro-cylinder under the driving of rotation driving source simultaneously, improved the dismouting efficiency of hydro-cylinder and connecting pipe.
Drawings
Fig. 1 is a schematic structural diagram of a pressure test tool for a single-acting oil cylinder in embodiment 1 of the present application.
Fig. 2 is a schematic structural diagram of the clamping block, the clamping plate, the tail end limiting block and the connecting pipe in embodiment 1 of the present application.
Fig. 3 is a schematic diagram of a connection pipe, a second nut, a joint pipe and a cylinder according to embodiment 1 of the present application.
Fig. 4 is a schematic structural diagram of a drive assembly according to embodiment 1 of the present application.
Fig. 5 is a schematic structural diagram of a pressure test tool for a single-acting oil cylinder in embodiment 2 of the present application.
Fig. 6 is a schematic structural diagram of the rotating assembly, the lifting assembly and the tail end limiting block in embodiment 2 of the present application.
Fig. 7 is an enlarged view of a portion a in fig. 6.
Description of reference numerals: 10. a work table; 11. a mounting surface; 20. installing a clamping block; 21. clamping grooves; 22. a pivot screw; 30. a splint; 40. a tail end limiting block; 41. a limiting groove; 42. positioning the clamping column; 50. a connecting pipe; 51. a first nut; 52. a joint pipe; 521. a limiting ring; 53. a second nut; 531. a baffle ring; 54. a main oil delivery pipe; 60. a piston rod limiting block; 70. a drive assembly; 71. a limiting block driving source; 72. a floating joint; 80. a rotating assembly; 81. a support plate; 811. a through hole; 812. perforating holes; 82. a driven synchronous pulley; 821. a blocking ring; 822. rotating the tube; 823. a blocking nut; 83. a driving synchronous pulley; 84. a synchronous belt; 85. a rotation drive source; 86. an elastic pressing member; 90. a lifting assembly; 91. a screw rod; 92. lifting the synchronous belt pulley; 921. rotating the sleeve; 922. a limit nut; 101. an oil inlet pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-7. The direction indicated by the arrow x is backward, and the opposite direction indicated by the arrow x is forward.
The embodiment of the application discloses pressure-resistant test tool for single-acting oil cylinder.
Example 1
Referring to fig. 1, the pressure test tool for the single-acting oil cylinder comprises a workbench 10, a clamping block 20, a clamping plate 30, a tail end limiting block 40, a connecting pipe 50, a piston rod limiting block 60 and a driving assembly 70. The clamping block 20 is fixed on the upper side of the workbench 10, and the clamping block 20 and the clamping plate 30 are matched with a cylinder body of the clamping cylinder. The connecting pipe 50 is used for connecting an oil inlet pipe 101 of the oil cylinder so as to conveniently carry out a pressure test on the oil cylinder. The tail end limiting block 40 and the piston rod limiting block 60 are both fixed on the upper side of the workbench 10, the tail end limiting block 40 is located on the rear side of the clamping block 20, the piston rod limiting block 60 is located on the front side of the clamping block 20, and the tail end limiting block 40 is used for abutting against the tail end of the oil cylinder. The driving assembly 70 is used to drive the piston rod limiting block 60 to slide on the upper side of the workbench 10, so as to push the piston rod extending from the oil cylinder back into the cylinder body of the oil cylinder.
Referring to fig. 1 and 2, at least one assembly clamping groove 21 is formed in the upper side of the clamping block 20, the number of the assembly clamping grooves 21 in the clamping block 20 can be set according to actual conditions, three groups of the assembly clamping grooves 21 in the clamping block 20 are set in this embodiment, each assembly clamping groove 21 includes two clamping grooves 21, the two clamping grooves 21 are arranged at intervals along the length direction of the clamping block 20, an opening of each clamping groove 21 is arranged opposite to the workbench 10, the depth of each clamping groove 21 is equal to the diameter of the cylinder body of the oil cylinder, the cylinder body of the oil cylinder is placed in each clamping groove 21, and the clamping grooves 21 extend out of two ends of the oil cylinder.
The clamping plate 30 is rotatably connected to the upper surface of the clamping block 20 by a pivot screw 22, and a stud of the pivot screw 22 is threaded onto the clamping block 20 after passing through the middle of the clamping plate 30. When the length direction of the clamping plate 30 is perpendicular to the length direction of the clamping block 20, the clamping plate 30 is located between the two corresponding clamping grooves 21. When the length direction of the clamping plate 30 is parallel to the length direction of the clamping block 20, the two ends of the clamping plate 30 cover the opening of the clamping groove 21 to cooperate with the clamping block 20 to clamp the cylinder body of the oil cylinder.
In order to facilitate the installation of the plurality of oil cylinders on the clamping block 20 or the removal of the plurality of oil cylinders from the clamping block 20, the upper side of the workbench 10 is provided with an installation surface 11, the installation surface 11 is obliquely arranged, the tail end limiting block 40, the piston rod limiting block 60 and the driving assembly 70 are all arranged on the installation surface 11, and the clamping grooves 21 are arranged at intervals along the oblique direction of the installation surface 11.
The front side wall of the tail end limiting block 40 is perpendicular to the axis of the oil cylinder clamped on the clamping block 20, a limiting groove 41 is formed in the front side wall of the tail end limiting block 40, the tail end of the oil cylinder is inserted into the limiting groove 41, and therefore the oil cylinder is not prone to shaking when a pressure resistance test is conducted.
Referring to fig. 2 and 3, the connection pipe 50 is used to connect the oil inlet pipe 101 of the oil cylinder and the pressure resistance test equipment, and the number of the connection pipes 50 corresponds to the number of the clamping grooves 21 one by one, so as to supply oil to the oil cylinder in the corresponding clamping groove 21. The connection pipe 50 may be directly connected to the pressure resistance test device or indirectly connected to the pressure resistance test device. In order to reduce the length of the connecting pipe 50, a main oil pipe 54 is fixed on the tail end limiting block 40, the main oil pipe 54 is directly connected with pressure resistance testing equipment, and the connecting pipe 50 is connected with the main oil pipe 54.
In order to facilitate the quick assembly and disassembly of the connecting pipe 50 and the oil inlet pipe 101 of the oil cylinder, a first nut 51 is fixed at the connecting end of the connecting pipe 50 and the oil cylinder, a joint pipe 52 is in threaded connection with one side of the first nut 51, which is back to the connecting pipe 50, a second nut 53 is sleeved on the joint pipe 52, the second nut 53 is connected to the outer side of the joint pipe 52 in a circumferential rotating mode along the joint pipe 52, the second nut 53 is in threaded connection with the oil inlet pipe 101 of the oil cylinder, a baffle ring 531 is fixed on the inner side wall, which is close to the connecting pipe 50, of the second nut 53, a limiting ring 521 is fixed on the outer side wall, which is far away from the connecting pipe 50, of the joint pipe 52, the limiting ring 521 is located in the second nut 53, the limiting ring 521 and the baffle ring 531 limit each other, so that the second nut 53 is installed on the connecting pipe 50. When the second nut 53 is screwed on the oil inlet pipe 101 of the oil cylinder, the limit ring 521 compresses the baffle ring 531, and the limit ring 521 is connected with the baffle ring 531 in a sealing manner.
Referring to fig. 4, the piston rod limiting block 60 is a long strip, the rear side wall of the piston rod limiting block 60 is perpendicular to the axis of the oil cylinder clamped on the clamping block 20, and the piston rod limiting block 60 is abutted when the piston rod of the oil cylinder extends out.
The driving assembly 70 is used for driving the piston rod stopper 60 to slide along the axial direction of the oil cylinder so as to push the piston rod extending out of the oil cylinder back into the cylinder body of the oil cylinder, and the driving assembly 70 comprises a stopper driving source 71 and a floating joint 72. Specifically, the stopper driving source 71 is an air cylinder, the number of the stopper driving sources 71 is two, the stopper driving sources 71 are fixed on the mounting surface 11, the stopper driving sources 71 are located on the front side of the piston rod stopper 60, a piston rod of the stopper driving sources 71 is arranged toward the piston rod stopper 60, and the piston rod of the stopper driving sources 71 is perpendicular to the rear side wall of the piston rod stopper 60. The floating joints 72 are FD-1018 in type, the floating joints 72 are two in number, the floating joints 72 correspond to the limiting block driving sources 71 one by one, and piston rods of the limiting block driving sources 71 are connected with the limiting block driving sources 71 through the floating joints 72, so that the included angle between the rear side wall of the piston rod limiting block 60 and the axis of the oil cylinder clamped on the clamping block 20 can be adjusted through the floating joints 72.
The implementation principle of the embodiment 1 is as follows: the cylinder body of the oil cylinder is clamped with the clamping plate 30 through the clamping block 20, when a pressure test is performed on the oil cylinder, the piston rod of the limiting block driving source 71 is in a contraction state, the piston rod of the oil cylinder is driven by oil pressure to extend out to abut against the rear side wall of the piston rod limiting block 60, and the tail end of the oil cylinder is inserted into the limiting groove 41. After the pressure test is finished, the piston rod of the limiting block driving source 71 extends out to drive the piston rod limiting block 60 to push the piston rod of the oil cylinder back into the cylinder body of the oil cylinder, and the pressure test can be carried out on a plurality of oil cylinders simultaneously.
Example 2
Referring to fig. 5 and 6, the difference between the present embodiment and embodiment 1 is that the single-acting cylinder pressure test tool further includes a rotating assembly 80 and a lifting assembly 90, where the rotating assembly 80 is used to drive the plurality of second nuts 53 to be rotatably mounted on the oil inlet pipe 101 of the cylinder, and the lifting assembly 90 is used to drive the rotating assembly 80 to lift on the upper side of the workbench 10.
Referring to fig. 6 and 7, the rotating assembly 80 includes a support plate 81, a driven timing pulley 82, a driving timing pulley 83, a timing belt 84, and a rotation driving source 85. Specifically, the support plate 81 is provided on the upper side of the table 10, the rotation drive source 85 is a motor, the rotation drive source 85 is fixed to the upper side of the support plate 81, and the output shaft of the rotation drive source 85 penetrates the support plate 81 to protrude downward. The driving timing pulley 83 is provided on the lower side of the support plate 81, the driving timing pulley 83 is fixed to an output shaft of the rotation drive source 85, and the driving timing pulley 83 is provided concentrically with the output shaft of the rotation drive source 85.
The driven timing pulley 82 is rotatably connected to the lower side of the support plate 81. Specifically, the rotating pipe 822 is fixed on the upper side of the driven synchronous pulley 82, the rotating pipe 822 and the driven synchronous pulley 82 are concentrically arranged, the outer diameter of the rotating pipe 822 is smaller than that of the driven synchronous pulley 82, a through hole 811 is formed in the supporting plate 81, the diameter of the through hole 811 is equal to that of the rotating pipe 822, the rotating pipe 822 is arranged in the through hole 811 in a penetrating mode, a blocking nut 823 is connected to the rotating pipe 822 in a threaded mode, and the blocking nut 823 and the driven synchronous pulley 82 are clamped on the supporting plate 81 to enable the driven synchronous pulley 82 to be connected to the supporting plate 81 in a rotating mode.
The driven synchronous pulleys 82 correspond to the second nuts 53 one by one, the distance between every two adjacent driven synchronous pulleys 82 is equal to the distance between every two adjacent clamping grooves 21, and the inner holes of the driven synchronous pulleys 82 are matched with the second nuts 53, so that the second nuts 53 rotate along with the driven synchronous pulleys 82. A stop ring 821 is fixed on the upper side of the driven synchronous pulley 82, the stop ring 821 is positioned on the inner side wall of the rotating pipe 822, and the size of the inner hole of the stop ring 821 is smaller than that of the second nut 53, so that the second nut 53 is not easy to slide off the support plate 81 from the upper side of the support plate 81. The driven timing pulley 82 is drivingly connected to the driving timing pulley 83 through a timing belt 84 so that the driven timing pulley 82 can be driven to rotate by a rotational drive source 85.
In order to conveniently mount the second nut 53 on the oil inlet pipe 101 of the oil cylinder, the rotating assembly 80 further includes an elastic pressing member 86, the elastic pressing member 86 is a compression spring, the elastic pressing member 86 is sleeved on the connecting pipe 50, the elastic pressing member 86 is mounted in the inner hole of the driven synchronous pulley 82, the elastic pressing member 86 is located between the blocking ring 821 and the second nut 53, and the elastic pressing member 86 enables the second nut 53 to keep a trend of being away from the connecting pipe 50, so that the second nut 53 can be conveniently mounted on the oil inlet pipe 101 of the oil cylinder along with the rotation of the driven synchronous pulley 82.
The lifting assembly 90 includes a lead screw 91 and a lifting timing pulley 92. Specifically, the number of the screw rods 91 is two, the screw rods 91 are fixed on the upper side of the mounting surface 11, the screw rods 91 are perpendicular to the mounting surface 11, the two ends of the supporting plate 81 are provided with through holes 812, and the screw rods 91 are arranged in the through holes 812 in a penetrating manner. The lifting synchronous pulleys 92 correspond to the lead screws 91 one by one, the lifting synchronous pulleys 92 are concentrically arranged with the lead screws 91, and the lifting synchronous pulleys 92 are sleeved on the lead screws 91 and are in threaded connection with the lead screws 91, so that the lifting synchronous pulleys 92 and the lead screws 91 are connected.
The lifting timing pulley 92 is rotatably connected to the lower side of the support plate 81. Specifically, the upside of promoting synchronous pulley 92 is fixed with and rotates cover 921, rotates cover 921 and wears to locate in the through-hole 812, rotates cover 921 and is connected with the backup pad 81 rotation, and threaded connection has a stop nut 922 on rotating cover 921, and stop nut 922 and the cooperation centre gripping of promoting synchronous pulley 92 are in the both sides of backup pad 81 to rotate promoting synchronous pulley 92 and connect in backup pad 81, make backup pad 81 slide along the axial of lead screw 91 along with promoting synchronous pulley 92 simultaneously.
In order to ensure that the oil inlet pipe 101 of the oil cylinder is perpendicular to the mounting surface 11 when being clamped on the clamping block 20, the front side wall of the tail end limiting block 40 is fixed with the positioning clamping columns 42, and the two positioning clamping columns 42 correspond to one clamping groove 21, namely when the oil cylinder is clamped in the clamping groove 21, the two positioning clamping columns 42 are clamped at two sides of the oil inlet pipe 101 of the oil cylinder, so that the oil inlet pipe 101 of the oil cylinder is aligned with the second nut 53 conveniently.
The implementation principle of the embodiment 2 is as follows: when the oil cylinder is clamped on the clamping block 20, the tail end of the oil cylinder is inserted into the limiting groove 41, the oil inlet pipe 101 of the oil cylinder is positioned between the two corresponding positioning clamping columns 42, the driving source 85 drives the driving synchronous pulley 83 to rotate, the driving synchronous pulley 83 drives the driven synchronous pulley 82 and the lifting synchronous pulley 92 to rotate, the lifting synchronous pulley 92 drives the support plate 81 to slide along the axial direction of the screw rod 91 to be close to an oil nozzle of the oil cylinder, after the second nut 53 is connected with the oil inlet pipe of the oil cylinder, the second nut 53 is kept in contact under the driving of the elastic pressing piece 86, the driven synchronous pulley 82 drives the second nut 53 to be rotatably installed on the oil inlet pipe of the oil cylinder, and the plurality of second nuts 53 can be synchronously installed on the oil inlet pipes of the plurality of oil cylinders.
When a pressure test is performed on the oil cylinder, the piston rod of the limit block driving source 71 is in a contracted state, and the piston rod of the oil cylinder is driven by oil pressure to extend out and abut against the rear side wall of the piston rod limit block 60. After the pressure test is finished, the piston rod of the limiting block driving source 71 extends out to drive the piston rod limiting block 60 to push the piston rod of the oil cylinder back into the cylinder body of the oil cylinder, and the pressure test can be carried out on a plurality of oil cylinders simultaneously.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a pressure test frock of single-action hydro-cylinder which characterized in that includes:
a table (10);
the clamping block (20) is fixed on the workbench (10), at least one assembling clamping groove (21) is formed in the clamping block (20), the assembling clamping groove (21) comprises two clamping grooves (21), the clamping grooves (21) are used for placing a cylinder body of the oil cylinder, and an opening of each clamping groove (21) faces away from the workbench (10);
the clamping plates (30) are rotatably connected to one side, back to the workbench (10), of the clamping block (20), one clamping plate (30) corresponds to one assembling clamping groove (21), and the clamping plates (30) are matched with the cylinder body of the clamping oil cylinder of the clamping block (20);
the tail end limiting block (40) is fixed on the workbench (10), and the tail end of the oil cylinder is abutted by the tail end limiting block (40);
the connecting pipes (50) correspond to the clamping grooves (21) one by one, and one end of each connecting pipe (50) is connected with an oil inlet pipe (101) of an oil cylinder;
the piston rod limiting block (60) is connected to the workbench (10) in a sliding mode along the axial direction of the oil cylinders, piston rods of the oil cylinders are abutted against the piston rod limiting block (60), and the opposite surfaces of the piston rod limiting block (60) and the tail end limiting block (40) are parallel to each other; and
the driving assembly (70) is arranged on the workbench (10) and drives the piston rod limiting block (60) to slide on the workbench (10).
2. The pressure-resistant test tool for the single-acting oil cylinder according to claim 1, characterized in that: drive assembly (70) include stopper driving source (71) and float and connect (72), stopper driving source (71) with the quantity that floats and connect (72) is two, the one end that floats connect (72) with the piston rod of stopper driving source (71) is connected, the other end that floats connect (72) with piston rod stopper (60) are connected.
3. The pressure-resistant test tool for the single-acting oil cylinder according to claim 1, characterized in that: the upper side of the workbench (10) is provided with an installation surface (11), the installation surface (11) is obliquely arranged, the clamping block (20), the tail end limiting block (40), the piston rod limiting block (60) and the driving assembly (70) are arranged on the installation surface (11), and the height of the oil cylinder is gradually reduced along the oblique direction of the installation surface (11).
4. The pressure-resistant test tool for the single-acting oil cylinder according to claim 1, characterized in that: and a limiting groove (41) for inserting the tail end of the oil cylinder is formed in one side of the tail end limiting block (40) close to the clamping block (20).
5. The pressure-resistant test tool for the single-acting oil cylinder according to claim 1, characterized in that: one end of the connecting pipe (50) is fixed with a first nut (51), a joint pipe (52) is connected to the first nut (51) in a threaded mode, a second nut (53) used for an oil inlet pipe (101) of a threaded connection oil cylinder is sleeved on the joint pipe (52), the second nut (53) is connected with the joint pipe (52) in a rotating mode, the second nut (53) is close to a blocking ring (531) arranged on the inner side wall of the connecting pipe (50), the joint pipe (52) is far away from one end of the connecting pipe (50) and is arranged on a limiting ring (521), and the limiting ring (521) is arranged in the second nut (53) and is mutually limited by the blocking ring (531).
6. The pressure-resistant test tool for the single-acting oil cylinder according to claim 5, characterized in that: the oil cylinder is characterized by further comprising a rotating component (80) which drives at least two second nuts (53) to be in threaded connection with an oil inlet pipe (101) of the oil cylinder, wherein the rotating component (80) comprises a supporting plate (81), a driven synchronous pulley (82), a driving synchronous pulley (83), a synchronous belt (84) and a rotating driving source (85), the rotating driving source (85) is fixed on the supporting plate (81), the driving synchronous pulley (83) is arranged on one side, close to the workbench (10), of the supporting plate (81) and is fixed on an output shaft of the rotating driving source (85), the driven synchronous pulley (82) corresponds to the second nuts (53) one to one, the driven synchronous pulley (82) is in rotating connection with one side, close to the workbench (10), of the supporting plate (81), and the driven synchronous pulley (82) is in driving connection with the driving synchronous pulley (83) through the synchronous belt (84), the connecting pipe (50) is arranged in the supporting plate (81) in a penetrating mode, the second nut (53) is arranged in the driven synchronous pulley (82) and rotates along with the driven synchronous pulley (82), the driven synchronous pulley (82) is far away from a blocking ring (821) is arranged on the inner side wall of the workbench (10), and the size of an inner hole of the blocking ring (821) is smaller than that of the second nut (53).
7. The pressure-resistant test tool for the single-acting oil cylinder according to claim 6, characterized in that: the rotating assembly (80) further comprises an elastic pressing piece (86), the elastic pressing piece (86) is arranged in an inner hole of the driven synchronous pulley (82), the connecting pipe (50) and the first nut (51) are sleeved with the elastic pressing piece (86), and the second nut (53) is kept away from the first nut (51) by the elastic pressing piece (86).
8. The pressure test tool for the single-acting oil cylinder as claimed in claim 6 or 7, wherein the pressure test tool comprises: also comprises a lifting component (90) which drives the supporting plate (81) to lift on the workbench (10), the lifting component (90) comprises a screw rod (91) and a lifting synchronous belt wheel (92), the number of the screw rods (91) is two, the screw rods (91) are fixed on the workbench (10), the two screw rods (91) are respectively arranged at two ends of the supporting plate (81) in a penetrating way, the lifting synchronous belt wheels (92) correspond to the screw rods (91) one by one, the lifting synchronous belt wheels (92) are sleeved on the screw rods (91) and are in threaded connection with the screw rods (91), the lifting synchronous pulley (92) is in transmission connection with the driving synchronous pulley (83) through the synchronous belt (84), the lifting synchronous pulley (92) is rotationally connected with the support plate (81) to drive the support plate (81) to slide along the axial direction of the screw rod (91).
9. The pressure-resistant test tool for the single-acting oil cylinder according to claim 8, characterized in that: promote synchronous pulley (92) and go up to be fixed with and rotate cover (921), offer the confession on backup pad (81) rotate wear to establish hole (812) that cover (921) wore to establish, it wears to locate to rotate cover (921) in wear to establish hole (812), threaded connection has stop nut (922) on rotating cover (921), promote synchronous pulley (92) with stop nut (922) cooperation centre gripping in the both sides of backup pad (81).
10. The pressure-resistant test tool for the single-acting oil cylinder according to claim 1, characterized in that: and one side of the tail end limiting block (40) close to the clamping block (20) is fixedly provided with a positioning clamping column (42), the two positioning clamping columns (42) correspond to the clamping groove (21), and the two positioning clamping columns (42) are used for clamping an oil inlet pipe (101) of the oil cylinder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111678351.4A CN114109972B (en) | 2021-12-31 | 2021-12-31 | Single-acting oil cylinder pressure-resistant test tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111678351.4A CN114109972B (en) | 2021-12-31 | 2021-12-31 | Single-acting oil cylinder pressure-resistant test tool |
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| CN114109972A true CN114109972A (en) | 2022-03-01 |
| CN114109972B CN114109972B (en) | 2024-06-07 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203161721U (en) * | 2013-04-15 | 2013-08-28 | 湖北佳恒科技有限公司 | Oil feeding-and-discharging integrated device of hydraulic-oil-cylinder horizontal-type testbed |
| KR20150006155A (en) * | 2013-07-08 | 2015-01-16 | 한국기계연구원 | Performance testing device for cylinder |
| CN204267426U (en) * | 2014-09-29 | 2015-04-15 | 湖南协力液压有限公司 | A kind of piston type cylinder pressure testing device |
| CN206268150U (en) * | 2016-11-29 | 2017-06-20 | 华南理工大学 | A kind of motion platform driven based on duopoly void column plug airdraulic actuator |
| CN208057586U (en) * | 2018-04-18 | 2018-11-06 | 常德市联嘉机械有限公司 | The pressure testing monitor station of Vertical Cylinders cylinder barrel |
| CN212177571U (en) * | 2019-12-31 | 2020-12-18 | 扬州兴益机械有限公司 | Oil cylinder sealing test device |
| CN212744588U (en) * | 2020-08-06 | 2021-03-19 | 常州豪僜机械有限公司 | Piston rod fixing mechanism for oil leakage detection device of oil cylinder |
| CN212839878U (en) * | 2020-07-06 | 2021-03-30 | 湖北万邦液压装备有限公司 | Pressure test joint structure of hydraulic cylinder |
| CN113843616A (en) * | 2021-09-28 | 2021-12-28 | 浙江科腾精工机械股份有限公司 | Automatic knob assembling equipment for bolt and nut |
-
2021
- 2021-12-31 CN CN202111678351.4A patent/CN114109972B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203161721U (en) * | 2013-04-15 | 2013-08-28 | 湖北佳恒科技有限公司 | Oil feeding-and-discharging integrated device of hydraulic-oil-cylinder horizontal-type testbed |
| KR20150006155A (en) * | 2013-07-08 | 2015-01-16 | 한국기계연구원 | Performance testing device for cylinder |
| CN204267426U (en) * | 2014-09-29 | 2015-04-15 | 湖南协力液压有限公司 | A kind of piston type cylinder pressure testing device |
| CN206268150U (en) * | 2016-11-29 | 2017-06-20 | 华南理工大学 | A kind of motion platform driven based on duopoly void column plug airdraulic actuator |
| CN208057586U (en) * | 2018-04-18 | 2018-11-06 | 常德市联嘉机械有限公司 | The pressure testing monitor station of Vertical Cylinders cylinder barrel |
| CN212177571U (en) * | 2019-12-31 | 2020-12-18 | 扬州兴益机械有限公司 | Oil cylinder sealing test device |
| CN212839878U (en) * | 2020-07-06 | 2021-03-30 | 湖北万邦液压装备有限公司 | Pressure test joint structure of hydraulic cylinder |
| CN212744588U (en) * | 2020-08-06 | 2021-03-19 | 常州豪僜机械有限公司 | Piston rod fixing mechanism for oil leakage detection device of oil cylinder |
| CN113843616A (en) * | 2021-09-28 | 2021-12-28 | 浙江科腾精工机械股份有限公司 | Automatic knob assembling equipment for bolt and nut |
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| Publication number | Publication date |
|---|---|
| CN114109972B (en) | 2024-06-07 |
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