CN216247212U

CN216247212U - Hydraulic cylinder test fixture

Info

Publication number: CN216247212U
Application number: CN202122962605.7U
Authority: CN
Inventors: 张民; 王启重; 夏继伟; 谢风
Original assignee: Xuzhou Yanhuang Engineering Machinery Co ltd
Current assignee: Xuzhou Yanhuang Engineering Machinery Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-08
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a hydraulic cylinder test fixture, which belongs to the technical field of machining equipment and comprises a rack, wherein a moving assembly is arranged in the rack and comprises a limiting rod, a pressure plate, a tray, a connecting spring, a screw and a driving motor, wherein the limiting rod is symmetrically arranged in the rack, the pressure plate is arranged at the upper part of the limiting rod, the tray is arranged at the lower part of the limiting rod, the connecting spring is symmetrically arranged between the pressure plate and the tray, the screw is arranged at one side of the tray, and the driving motor is arranged at the lower end of the screw; the movable assembly is arranged, so that the hydraulic oil cylinder can move up and down to different positions during testing, the bearing capacity of the hydraulic oil cylinder for jacking objects with different weights can be tested, the testing accuracy is ensured, the fixture can be replaced quickly conveniently through the fixing assembly, the hydraulic oil cylinder testing device is suitable for detection of hydraulic oil cylinders with different models, and the application range is wide.

Description

Hydraulic cylinder test fixture

Technical Field

The utility model belongs to the technical field of machining equipment, and particularly relates to a hydraulic cylinder test fixture.

Background

At present, hydraulic cylinders are widely applied to multiple fields such as mines, buildings, bridges, engineering machinery and the like, but faults are often caused by abrasion of sealing parts, abrasion of cylinder barrels, scratch of inner walls, corrosion of inner walls, scratch of pistons or piston rods and the like in the using process of the hydraulic cylinders, particularly, after the sealing performance of large hydraulic cylinders is damaged, parts are difficult to repair or replace, the cost is high, and therefore the hydraulic cylinders are firstly produced to detect the related performance, and related clamps are needed for detection.

The prior art has the following problems: in the hydraulic cylinder test fixture disclosed in chinese patent application No. 202022575853.1, its raising and lowering functions is too loaded down with trivial details when using, and the result of use is relatively poor, and anchor clamps are fixed, and inconvenient the change can't adapt to the hydraulic cylinder detection achievement of different models.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a hydraulic cylinder test fixture which has the characteristics of simple lifting, higher test accuracy and wide applicability.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hydraulic cylinder test fixture, includes the frame, be provided with the removal subassembly in the frame, the removal subassembly includes gag lever post, pressure disk, tray, coupling spring, screw rod and driving motor, wherein, the inside symmetry of frame is provided with the gag lever post, gag lever post upper portion is provided with the pressure disk, the gag lever post lower part is provided with the tray, the symmetry is provided with coupling spring between pressure disk and the tray, tray one side is provided with the screw rod, the screw rod lower extreme is provided with driving motor.

Preferably, sliding holes are formed in the intersection positions of the pressure plate, the tray and the limiting rod, and the cross section area of each sliding hole is consistent with that of the limiting rod.

Preferably, the pressure plate is 5CM shorter than the tray and is not connected to the screw.

Preferably, the symmetry is provided with fixed subassembly between tray and the pressure disk, fixed subassembly includes fixed station, slot, inserted block, spacing mouth, spacing spout, stopper, pull rod and compression spring, wherein, the one side that tray and pressure disk are close to each other all is provided with the fixed station, be provided with the slot in the fixed station, be provided with the inserted block in the slot, the inserted block runs through and is provided with spacing mouth, be provided with spacing spout in the fixed station, be provided with the stopper in the spacing spout, stopper one end is provided with the pull rod, pull rod one end is provided with compression spring, the inserted block lower extreme is provided with anchor clamps.

Preferably, one end of the pull rod, which is far away from the insertion block, is provided with a handle, and a pull groove is formed at the intersection of the fixing table and the pull rod.

Preferably, the inner wall of the clamp is provided with a non-slip pad.

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

1. according to the utility model, the moving assembly is arranged, and the driving motor drives the pressure plate and the clamp on the tray to move up and down, so that the hydraulic cylinder can move up and down to different positions when in testing, the bearing capacity of the hydraulic cylinder for pushing articles with different weights can be tested conveniently, and the testing accuracy is ensured;

2. according to the utility model, the fixing assembly is arranged, the limiting block is driven by the handle to be separated from the limiting opening, so that the inserting block can be separated from the inserting groove, the clamp is conveniently and quickly taken down, after the clamp is replaced, the inserting block is inserted into the inserting groove, the handle is loosened, the compression spring stretches to drive the limiting block to be inserted into the limiting opening, a new clamp is fixed, the whole process is simple and quick, and the clamp is very convenient to replace.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the moving assembly of the present invention;

fig. 4 is a schematic structural diagram of the fixing assembly of the present invention.

In the figure: 1. a frame; 2. a moving assembly; 21. a limiting rod; 22. a platen; 23. a tray; 24. a connecting spring; 25. a screw; 26. a drive motor; 3. a fixing assembly; 31. a fixed table; 32. a slot; 33. inserting a block; 34. a limiting port; 35. a limiting chute; 36. a limiting block; 37. a pull rod; 38. a compression spring; 4. and (4) clamping.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a hydraulic cylinder test fixture, including frame 1, be provided with in the frame 1 and remove subassembly 2, it includes gag lever post 21 to remove subassembly 2, pressure disk 22, tray 23, coupling spring 24, screw rod 25 and driving motor 26, wherein, the inside symmetry of frame 1 is provided with gag lever post 21, gag lever post 21 upper portion is provided with pressure disk 22, gag lever post 21 lower part is provided with tray 23, the symmetry is provided with coupling spring 24 between pressure disk 22 and the tray 23, tray 23 one side is provided with screw rod 25, screw rod 25 lower extreme is provided with driving motor 26.

Specifically, sliding holes are formed at the intersection of the pressure plate 22, the tray 23 and the limiting rod 21, and the cross section area of each sliding hole is consistent with that of the limiting rod 21.

Through adopting above-mentioned technical scheme for pressure disk 22 and tray 23 can slide on gag lever post 21, guarantee the stability that hydraulic cylinder removed.

Specifically, the platen 22 is 5CM shorter than the tray 23, and the platen 22 is not connected to the screw 25.

By adopting the technical scheme, the distance between the pressure plate 22 and the tray 23 can be adjusted, and the clamping convenience of the clamp 4 on the hydraulic oil cylinder is ensured.

This embodiment is used: drive screw rod 25 through driving motor 26 and rotate, drive tray 23 and reciprocate along gag lever post 21, and then drive pressure disk 22 and reciprocate along gag lever post 21 for anchor clamps 4 on pressure disk 22 and the tray 23 can reciprocate, guarantee that hydraulic cylinder when testing, can reciprocate different positions, so that test hydraulic cylinder top moves the bearing capacity of the article of different weight, guarantee the accuracy of test.

Example 2

The present embodiment is different from embodiment 1 in that: specifically, the symmetry is provided with fixed subassembly 3 between tray 23 and the pressure disk 22, fixed subassembly 3 includes fixed station 31, slot 32, inserted block 33, spacing mouth 34, spacing spout 35, stopper 36, pull rod 37 and compression spring 38, wherein, tray 23 all is provided with fixed station 31 with the one side that pressure disk 22 is close to each other, be provided with slot 32 in the fixed station 31, be provided with inserted block 33 in the slot 32, inserted block 33 runs through and is provided with spacing mouth 34, be provided with spacing spout 35 in the fixed station 31, be provided with stopper 36 in the spacing spout 35, stopper 36 one end is provided with pull rod 37, pull rod 37 one end is provided with compression spring 38, inserted block 33 lower extreme is provided with anchor clamps 4.

Through adopting above-mentioned technical scheme, drive pull rod 37 through the handle and drive stopper 36 and break away from spacing mouthful 34, compress compression spring 38 simultaneously, and then make inserted block 33 can break away from slot 32, be convenient for take off anchor clamps 4 fast, change anchor clamps 4 back, insert slot 32 with inserted block 33, then loosen the handle, compression spring 38 stretches to drive stopper 36 and inject spacing mouthful 34, fixed new anchor clamps 4, whole process is simple swift, the change of the anchor clamps 4 of being convenient for very much.

Specifically, a handle is arranged at one end of the pull rod 37 far away from the insertion block 33, and a pull groove is arranged at the intersection of the fixed platform 31 and the pull rod 37.

Through adopting above-mentioned technical scheme for the handle can drive stopper 36 and break away from spacing mouthful 34, improves the convenience that anchor clamps 4 were changed.

Specifically, the inner wall of the clamp 4 is provided with an anti-skid pad.

Through adopting above-mentioned technical scheme, prevent that hydraulic cylinder from sliding, guarantee the stability of 4 centre grippings of anchor clamps.

This embodiment is used: drive pull rod 37 through the handle and drive stopper 36 and break away from spacing mouthful 34, compress compression spring 38 simultaneously, and then make inserted block 33 can break away from slot 32, be convenient for take off anchor clamps 4 fast, change anchor clamps 4 back, insert slot 32 with inserted block 33, then loosen the handle, compression spring 38 stretches to drive stopper 36 and inject spacing mouthful 34, fixed new anchor clamps 4, whole process is simple swift, the change of the anchor clamps 4 of being convenient for very much.

The driving motor 26 in the utility model is the prior art and the model of the driving motor is JS-25.

The structure and the use principle of the clamp 4 in the utility model are disclosed in a hydraulic oil cylinder test clamp disclosed in Chinese patent application No. 202022575853.1.

The working principle and the using process of the utility model are as follows: the utility model drives the screw rod 25 to rotate through the driving motor 26, so as to drive the tray 23 to move up and down along the limiting rod 21, and then the pressing plate 22 is driven to move up and down along the limiting rod 21, so that the clamp 4 on the pressing plate 22 and the tray 23 can move up and down, the hydraulic oil cylinder can be ensured to move up and down to different positions when testing, so as to test the bearing capacity of the hydraulic oil cylinder for jacking articles with different weights, ensure the test accuracy, the handle drives the pull rod 37 to drive the limit block 36 to be separated from the limit opening 34, and simultaneously, the compression spring 38 is compressed, so that the insertion block 33 can be separated from the slot 32, the clamp 4 can be conveniently and quickly taken down, after the clamp 4 is replaced, the insertion block 33 is inserted into the slot 32, then the handle is loosened, the compression spring 38 is stretched to drive the limit block 36 to be inserted into the limit opening 34, a new clamp 4 is fixed, the whole process is simple and rapid, and the clamp 4 is very convenient to replace.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic cylinder test fixture, includes frame (1), its characterized in that: be provided with in frame (1) and remove subassembly (2), it includes gag lever post (21), pressure disk (22), tray (23), coupling spring (24), screw rod (25) and driving motor (26) to remove subassembly (2), wherein, frame (1) inside symmetry is provided with gag lever post (21), gag lever post (21) upper portion is provided with pressure disk (22), gag lever post (21) lower part is provided with tray (23), the symmetry is provided with coupling spring (24) between pressure disk (22) and tray (23), tray (23) one side is provided with screw rod (25), screw rod (25) lower extreme is provided with driving motor (26).

2. The hydraulic cylinder test fixture of claim 1, characterized in that: the cross parts of the pressure plate (22), the tray (23) and the limiting rod (21) are provided with sliding holes, and the cross sectional area of each sliding hole is consistent with that of the limiting rod (21).

3. The hydraulic cylinder test fixture of claim 1, characterized in that: the pressure plate (22) is 5CM shorter than the tray (23), and the pressure plate (22) is not connected with the screw (25).

4. The hydraulic cylinder test fixture of claim 1, characterized in that: the fixing component (3) is symmetrically arranged between the tray (23) and the pressure plate (22), the fixing component (3) comprises a fixing table (31), a slot (32), an insert block (33), a limiting opening (34), a limiting sliding groove (35), a limiting block (36), a pull rod (37) and a compression spring (38), wherein the fixing table (31) is arranged on one side of the tray (23) close to the pressure plate (22), the slot (32) is arranged in the fixing table (31), the insert block (33) is arranged in the slot (32), the limiting opening (34) is arranged in the insert block (33) in a penetrating mode, the limiting sliding groove (35) is arranged in the fixing table (31), the limiting block (36) is arranged in the limiting sliding groove (35), the pull rod (37) is arranged at one end of the limiting block (36), the compression spring (38) is arranged at one end of the pull rod (37), the lower end of the insert block (33) is provided with a clamp (4).

5. The hydraulic cylinder test fixture of claim 4, wherein: one end of the pull rod (37) far away from the insertion block (33) is provided with a handle, and a pull groove is formed in the intersection of the fixed platform (31) and the pull rod (37).

6. The hydraulic cylinder test fixture of claim 4, wherein: and the inner wall of the clamp (4) is provided with an anti-skid pad.