CN219224066U

CN219224066U - Sealing performance testing device for plunger pump body

Info

Publication number: CN219224066U
Application number: CN202221148217.3U
Authority: CN
Inventors: 张波; 张凯
Original assignee: Shenzhen Litu Precision Industry Co ltd
Current assignee: Shenzhen Litu Precision Industry Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2023-06-20
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a device for testing sealing performance of a plunger pump body, which comprises a substrate, wherein one side of the top end of the substrate is provided with a frame, a hydraulic rod is arranged at the central position of the top of the frame, a placement frame is arranged at the bottom end of the hydraulic rod, a convex connecting rod is arranged at the central position of the inside of the placement frame, the bottom end of the convex connecting rod extends to the outside of the placement frame and is provided with a piston plate, a pressure sensor is arranged at the central position of the bottom end of the piston plate, threaded holes are formed in two outer side walls of the top of the convex connecting rod, locking bolts are arranged on the outer walls of two sides of the placement frame, one end of each locking bolt penetrates through the placement frame and is in threaded connection with the threaded holes, and a transmission machine body is arranged at the top end of the substrate on one side of the frame. The utility model not only improves the application range of the testing device and ensures the testing precision of the testing device in use, but also improves the detection efficiency of the testing device in use.

Description

Sealing performance testing device for plunger pump body

Technical Field

The utility model relates to the technical field of sealing test of a plug pump body, in particular to a device for testing the sealing performance of the plug pump body.

Background

The plunger pump is an important device in a hydraulic system, and mainly depends on the reciprocating motion of a plunger in a cylinder body to change the volume of a sealed working cavity so as to achieve the purposes of oil absorption and oil pressing.

Such testing device on the market at present is inconvenient to detach the piston plate, is difficult to replace correspondingly according to the specification of the pump body, and causes the phenomenon that the pump body with partial specification is difficult to be applicable to occur, and has certain limitation.

Disclosure of Invention

The utility model aims to provide a device for testing the sealing performance of a piston pump body, which aims to solve the problem that the device for testing is inconvenient to detach a piston plate in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pour plug pump body sealing performance testing arrangement, includes the base plate, one side on base plate top is equipped with the frame, the central point department at frame top installs the hydraulic stem, the bottom of hydraulic stem is equipped with the placement frame, the inside central point department of placement frame installs protruding type connecting rod, the bottom of protruding type connecting rod extends to the outside of placement frame and is equipped with the piston board, pressure sensor is installed to the central point department of piston board bottom, all be equipped with the screw hole on the both outer walls at protruding type connecting rod top, all install the locking bolt on the outer wall of placement frame both sides, the one end of locking bolt runs through placement frame and with screw hole threaded connection, the base plate top of frame one side is equipped with the transmission organism, the top of transmission organism is equipped with two sets of placement boards, the pump body has been placed to the central point department at placement board top, install control panel on the outer wall that the transmission organism kept away from frame one side, the output of the inside singlechip of control panel and the input electric connection of hydraulic stem, the input of the inside singlechip of control panel and pressure sensor's output electric connection.

Preferably, the top ends of the storage plates on two sides of the pump body are provided with bearing frames, and spiral cylinders are fixed on the top ends of the bearing frames so as to carry out arrangement treatment on the spiral rods.

Preferably, a motor is installed at the central position of the bottom of the transmission body, and the input end of the motor is electrically connected with the output end of the singlechip inside the control panel so as to drive the disc to rotate.

Preferably, a disc is arranged at the top end of the motor, and a bump is arranged at one side of the top end of the disc, so that the disc drives the gear to slowly rotate through the bump.

Preferably, the screw rod is connected to the internal thread of the screw cylinder, one end of the screw rod extends to the outside of the screw cylinder and is rotationally connected with the arc clamping plate, and the other end of the screw rod extends to the outside of the screw cylinder and is provided with a hand wheel so as to clamp and position the pump body at the top end of the object placing plate.

Preferably, the inside rotation of transmission organism of lug one side is connected with the gear, the central point department at gear top is equipped with the guiding axle, the one end that the guiding axle kept away from the gear extends to the outside of transmission organism and is fixed with the axle bed, the outer wall of axle bed both sides is all through branch and the outer wall fixed connection of putting thing board one side to make the axle bed drive put the thing board and rotate.

Compared with the prior art, the utility model has the beneficial effects that: the device for testing the sealing performance of the plunger pump body not only improves the application range of the testing device and ensures the testing precision of the testing device in use, but also improves the detection efficiency of the testing device in use;

(1) One end of the locking bolt is screwed out of the threaded hole by rotating the locking bolt, and the convex connecting rod is transversely pulled to slide to the outside of the mounting frame, so that the piston plate can be rapidly disassembled, and further, the piston plate with corresponding specification can be replaced, so that the piston plate is suitable for testing pump bodies with different specifications, and the application range of the testing device is improved;

(2) The hand wheel is manually rotated to drive the screw rod to rotate and slide in the screw cylinder, so that the screw rod drives the arc clamping plates to translate, and at the moment, the two groups of arc clamping plates clamp and position the pump body at the top of the storage plate, so that the phenomenon that the pump body is displaced in the testing process is reduced, and the testing precision of the testing device in use is ensured;

(3) The motor is opened through the operation control panel, so that the motor drives the disc to rotate, the disc drives the gear to rotate slowly through the convex blocks, the gear drives the storage plates to rotate through the guide shafts and the shaft seats, at the moment, the positions of the two storage plates are exchanged, so that the pump body at the top of the left storage plate is tested, the pump body at the top of the right storage plate is unloaded, and then the pump body is reinstalled, so that the aim of testing in sequence at multiple stations is fulfilled, and the detection efficiency of the testing device in use is improved.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

fig. 4 is a schematic top view of the gear of the present utility model.

In the figure: 1. a substrate; 2. a frame; 3. a storage plate; 4. a pump body; 5. a pressure sensor; 6. a hydraulic rod; 7. a piston plate; 8. a shaft seat; 9. a guide shaft; 10. a gear; 11. a control panel; 12. a transmission body; 13. a disc; 14. a motor; 15. a threaded hole; 16. a placement frame; 17. a locking bolt; 18. a male connecting rod; 19. a hand wheel; 20. a spiral cylinder; 21. a screw rod; 22. an arc-shaped clamping plate; 23. a carrier; 24. and a bump.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a pour plug pump body sealing performance testing arrangement, including base plate 1, one side at base plate 1 top is equipped with frame 2, the central point in frame 2 top is put and is installed hydraulic stem 6, this hydraulic stem 6's model can be ANT-26, the bottom of hydraulic stem 6 is equipped with and settles frame 16, the central point in the inside of settling frame 16 locates to install protruding connecting rod 18, the bottom of protruding connecting rod 18 extends to the outside of settling frame 16 and is equipped with piston plate 7, the central point in piston plate 7 bottom locates to install pressure sensor 5, this pressure sensor 5's model can be PT124G-111;

screw holes 15 are formed in the two outer side walls of the top of the convex connecting rod 18, locking bolts 17 are mounted on the outer walls of the two sides of the mounting frame 16, and one end of each locking bolt 17 penetrates through the mounting frame 16 and is in threaded connection with the screw holes 15;

the top end of the base plate 1 at one side of the frame 2 is provided with a transmission machine body 12, a motor 14 is arranged at the central position of the bottom of the transmission machine body 12, the type of the motor 14 can be Y90S-2, and the input end of the motor 14 is electrically connected with the output end of the singlechip in the control panel 11;

when in use, the motor 14 is turned on so as to drive the disc 13 to rotate;

the top end of the motor 14 is provided with a disc 13, and one side of the top end of the disc 13 is provided with a bump 24;

when in use, the disc 13 is positioned in the transmission machine body 12 to rotate, so that the disc 13 drives the gear 10 to slowly rotate through the lug 24;

the inside of the transmission machine body 12 at one side of the lug 24 is rotationally connected with a gear 10, a guide shaft 9 is arranged at the center position of the top end of the gear 10, one end of the guide shaft 9 away from the gear 10 extends to the outside of the transmission machine body 12 and is fixedly provided with a shaft seat 8, and the outer walls at two sides of the shaft seat 8 are fixedly connected with the outer wall at one side of the storage plate 3 through a supporting rod;

when in use, the gear 10 drives the shaft seat 8 to rotate through the guide shaft 9, so that the shaft seat 8 drives the object placing plate 3 to rotate;

two groups of object placing plates 3 are arranged above the transmission machine body 12, a pump body 4 is placed at the center position of the top ends of the object placing plates 3, bearing frames 23 are arranged at the top ends of the object placing plates 3 on two sides of the pump body 4, and a spiral cylinder 20 is fixed at the top ends of the bearing frames 23;

in use, the screw cylinders 20 are arranged on two sides of the pump body 4 through the bearing frames 23 so as to carry out arrangement treatment on the screw rods 21;

the inside of the spiral cylinder 20 is connected with a spiral rod 21 in a threaded manner, one end of the spiral rod 21 extends to the outside of the spiral cylinder 20, an arc-shaped clamping plate 22 is rotatably connected with the spiral rod, and the other end of the spiral rod 21 extends to the outside of the spiral cylinder 20 and is provided with a hand wheel 19;

when in use, the hand wheel 19 is rotated to drive the spiral rod 21 to rotate and slide in the spiral cylinder 20, so that the spiral rod 21 drives the arc-shaped clamping plate 22 to translate, and the pump body 4 is clamped and positioned at the top end of the object placing plate 3;

the outer wall of one side of the transmission body 12 far away from the frame 2 is provided with a control panel 11, the model of the control panel 11 can be GC-1, the output end of the single chip microcomputer inside the control panel 11 is electrically connected with the input end of the hydraulic rod 6, and the input end of the single chip microcomputer inside the control panel 11 is electrically connected with the output end of the pressure sensor 5.

When the embodiment of the application is used, firstly, the plug is used for sealing the opening at the bottom of the pump body 4, then the pump body 4 is placed at the top of the object placing plate 3, the hand wheel 19 is rotated to drive the spiral rod 21 to rotate and slide in the spiral cylinder 20 so that the spiral rod 21 drives the arc clamping plates 22 to translate, at the moment, the two groups of arc clamping plates 22 clamp and position the pump body 4 at the top of the object placing plate 3, namely, the phenomenon of deflection in the testing process of the pump body 4 can be reduced, the hydraulic rod 6 is opened by operating the control panel 11 to drive the piston plate 7 to move downwards, the piston plate 7 is further moved downwards to the inside of the pump body 4 through the opening at the top of the pump body 4, then the piston plate 7 stays in the inside of the pump body 4, at the moment, the pressure sensor 5 monitors and processes the air pressure in the pump body 4, and related data can be fed back to the control panel 11 and displayed, if the air pressure value gradually decreases, the air leakage phenomenon of the group of pump bodies 4 is shown, so as to achieve the purpose of sealing performance test, then the hydraulic rod 6 drives the piston plate 7 to reset to the original position, the motor 14 is turned on, so that the disc 13 drives the disc 13 to rotate, and the disc 13 drives the gear 10 to slowly rotate through the bump 24, so that the gear 10 drives the object placing plate 3 to rotate sequentially through the guide shaft 9 and the shaft seat 8, at the moment, the positions of the two groups of object placing plates 3 are exchanged, so that the test treatment is performed on the pump bodies 4 at the top of the left object placing plate 3, and after the pump bodies 4 at the top of the right object placing plate 3 are unloaded, a group of pump bodies 4 are reinstalled, so as to achieve the purpose of multi-station sequential test, finally, one end of the locking bolt 17 is screwed out of the threaded hole 15, the convex connecting rod 18 is pulled transversely, so that the convex connecting rod is slipped out of the placement frame 16, so as to rapidly disassemble the piston plate 7, and further replace the piston plate 7 with corresponding specification according to the specification of the pump body 4, thereby completing the use of the testing device.

Claims

1. The utility model provides a pour plug pump body sealing performance testing arrangement, its characterized in that includes base plate (1), one side on base plate (1) top is equipped with frame (2), hydraulic stem (6) are installed to the central point department at frame (2) top, the bottom of hydraulic stem (6) is equipped with and settles frame (16), the inside central point department of settling frame (16) installs protruding connecting rod (18), the bottom of protruding connecting rod (18) extends to the outside of settling frame (16) and is equipped with piston plate (7), pressure sensor (5) are installed to the central point department of piston plate (7) bottom, all be equipped with screw hole (15) on the both sides wall at protruding connecting rod (18) top, all install locking bolt (17) on the outer wall of settling frame (16) both sides, base plate (1) top of frame (2) one side is equipped with transmission organism (12), the top of transmission organism (12) is equipped with two sets of thing boards (3), place in the central point department on the top of putting thing board (3) has place (4), the central point department of transmission organism (12) top is kept away from the outer wall of the control panel (11) of the control panel (6) of the electric property of the control panel (11) on the frame (2) and the outer wall of the control panel of the input of frame (6), the input end of the singlechip in the control panel (11) is electrically connected with the output end of the pressure sensor (5).

2. The device for testing the sealing performance of a plunger pump body according to claim 1, wherein: the top ends of the object placing plates (3) on two sides of the pump body (4) are respectively provided with a bearing frame (23), and the top ends of the bearing frames (23) are fixedly provided with a spiral cylinder (20).

3. The device for testing the sealing performance of a plunger pump body according to claim 1, wherein: the motor (14) is arranged at the central position of the bottom of the transmission body (12), and the input end of the motor (14) is electrically connected with the output end of the singlechip in the control panel (11).

4. A device for testing the sealing performance of a pump body with a plug according to claim 3, wherein: the top of motor (14) is equipped with disc (13), one side at disc (13) top is equipped with lug (24).

5. The device for testing the sealing performance of a plunger pump body according to claim 2, wherein: the inside threaded connection of screw section of thick bamboo (20) has hob (21), the one end of hob (21) extends to the outside of screw section of thick bamboo (20) and rotates and be connected with arc grip block (22), the other end of hob (21) extends to the outside of screw section of thick bamboo (20) and installs hand wheel (19).

6. The device for testing the sealing performance of a pump body with a plug according to claim 4, wherein: the transmission machine is characterized in that a gear (10) is connected to the inside of a transmission machine body (12) on one side of the protruding block (24) in a rotating mode, a guide shaft (9) is arranged at the center position of the top end of the gear (10), one end, far away from the gear (10), of the guide shaft (9) extends to the outside of the transmission machine body (12) and is fixedly provided with a shaft seat (8), and the outer walls on two sides of the shaft seat (8) are fixedly connected with the outer wall on one side of the storage plate (3) through supporting rods.