CN216669579U

CN216669579U - Pressure-resistant test bed

Info

Publication number: CN216669579U
Application number: CN202123366300.6U
Authority: CN
Inventors: 汤国强; 周世雄; 张绍强
Original assignee: Hubei Shangong Precision Machinery Technology Co ltd
Current assignee: Hubei Shangong Precision Machinery Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-03
Anticipated expiration: 2031-12-29

Abstract

The utility model provides a pressure test stand, which relates to the technical field of oil cylinder pressure test equipment for a hydraulic lock and comprises a rack, a baffle, a transverse moving mechanism and a pushing mechanism, wherein a positioning groove for accommodating a tested oil cylinder is formed in the rack, the baffle is installed on the rack through the transverse moving mechanism and used for limiting the horizontal displacement of the tested oil cylinder in the positioning groove, a vertical limiting mechanism is arranged on the rack and used for limiting the vertical displacement of the tested oil cylinder in the positioning groove, the pushing mechanism is installed on the rack, and the pushing mechanism is used for pushing a working piston rod of the tested oil cylinder to reset. Can all play fine limiting displacement to being surveyed the hydro-cylinder in vertical direction and horizontal direction through vertical stop gear and baffle, make to be surveyed the hydro-cylinder in the test process, can remain stable throughout and support spacingly, make things convenient for the staff to carry out operations such as oil circuit butt joint.

Description

Pressure-resistant test bed

Technical Field

The utility model relates to the technical field of oil cylinder pressure test equipment, in particular to the technical field of oil cylinder pressure test equipment for a hydraulic lock.

Background

The hydraulic working principle of the turnover system of the heavy truck cab is as follows: the hydraulic system comprises a hydraulic pump, an oil cylinder, a hydraulic lock and a connecting oil pipe, wherein the hydraulic pump provides power for the hydraulic system, so that the oil cylinder and the hydraulic lock are driven to work to complete the unlocking and lifting of the cab and the working processes of falling back and locking of the cab, and the hydraulic lock plays a role in locking and unlocking the cab in the system, thereby ensuring the stable and safe running of the cab. The existing hydraulic lock mainly comprises a hydraulic lock body, a driving lock hook, a driven lock hook, an oil cylinder, a travel switch and other components, before the hydraulic lock is assembled, a pressure resistance test needs to be carried out on the oil cylinder of the hydraulic lock, the existing common test method is to manually connect the oil cylinder with an oil circuit for testing, in the test process, the oil cylinder is lack of effective support and is limited, so that the oil cylinder is not conveniently connected with the oil circuit, the test site is relatively disordered, the working piston rod of the oil cylinder is also inconvenient to reset after the test is finished, the labor intensity of workers is increased, the simultaneous test of multiple oil cylinders is not facilitated, and the test efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pressure-resistant test bed, which solves the problems that the labor intensity of workers is high, the simultaneous test of a plurality of oil cylinders is not facilitated, and the test efficiency is low due to the test method in the prior art.

The technical scheme of the utility model is realized as follows:

the utility model provides a pressure-resistant test bed, includes frame, baffle, sideslip mechanism and thrustor be equipped with in the frame and be used for holding the constant head tank of placing the measured cylinder, the baffle passes through sideslip mechanism and installs in the frame, and the baffle is used for carrying on spacingly to the horizontal displacement of measured cylinder in the constant head tank, is equipped with vertical stop gear in the frame, and vertical stop gear is used for carrying on spacingly to the vertical displacement of measured cylinder in the constant head tank, thrustor installs in the frame, and thrustor is used for promoting the working piston rod who is measured the cylinder to reset.

Further, still include the support, be equipped with the extension board in the frame, support fixed mounting is on the extension board, the constant head tank is located the support, and the front portion and the upper portion of constant head tank are the opening form, are equipped with the limiting plate on the baffle, and the limiting plate is used for blockking that the cylinder under test is deviate from the anterior opening part of constant head tank.

Further, vertical stop gear is for setting up spacing boss on the constant head tank inside wall.

The rubber pipe sleeve is provided with an annular groove, and the rubber pipe sleeve is clamped in the clamping groove of the support through the annular groove.

Further, the transverse moving mechanism comprises a transverse pushing cylinder which is fixedly installed on the rack, the baffle is fixedly connected with a first piston rod of the transverse pushing cylinder, a sliding groove is formed in the rack, a guide rail is arranged on the baffle, and the guide rail is movably clamped in the sliding groove.

Further, the pushing mechanism comprises a pushing cylinder which is fixedly mounted on the support through a bracket, a through hole is formed in the support, a second piston rod of the pushing cylinder is movably arranged in the through hole in a penetrating mode, and the second piston rod of the pushing cylinder corresponds to a working piston rod of the tested oil cylinder.

Further, still include the oil groove, oil groove fixed mounting is in the frame, and the oil groove is used for accepting the hydraulic oil that leaks among the collection test process.

The utility model adopts the technical proposal to achieve the following beneficial effects: when the pressure test stand disclosed by the utility model is used for performing a pressure test on a tested oil cylinder, the vertical limiting mechanism and the baffle plate can be used for well limiting the tested oil cylinder in the vertical direction and the horizontal direction, so that the tested oil cylinder can be stably supported and limited all the time in the test process, the operation of butt joint of oil ways and the like is facilitated for workers, and after the pressure test is finished, the working piston rod of the tested oil cylinder can be pushed back by the pushing mechanism, the operation is very convenient and fast, the labor intensity of the workers is reduced, the synchronous test of a plurality of hydraulic lock oil cylinders is easy to realize, and the test efficiency can be greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a side cross-sectional view of FIG. 3;

FIG. 5 is a schematic illustration of the present invention in operation;

fig. 6 is a partially enlarged schematic view of C in fig. 5.

In the drawings, the parts corresponding to the reference numerals are as follows:

1-a rack, 2-a tested oil cylinder, 3-a positioning groove, 4-a baffle, 5-a working piston rod, 6-a support, 7-a limiting plate, 8-a limiting boss, 9-a rubber pipe sleeve, 10-a support, 11-a clamping groove, 12-an annular groove, 13-a transverse pushing air cylinder, 14-a first piston rod, 15-a sliding groove, 16-a guide rail, 17-a pushing air cylinder, 18-a through hole, 19-a second piston rod, 20-an oil groove, 21-a supporting plate, 22-a supporting plate, 23-an oil way, 24-a joint and 25-an annular groove.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the embodiments of the present invention, and it should be apparent 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.

Referring to fig. 1 to 4, a withstand voltage test bench, includes frame 1, baffle 4, sideslip mechanism, pushing mechanism, support 6, rubber tube sleeve 9 and oil groove 20 be equipped with the constant head tank 3 that is used for holding and places the measured cylinder 2 in the frame 1, baffle 4 installs in frame 1 through sideslip mechanism, and baffle 4 is used for carrying on spacingly to the horizontal displacement of measured cylinder 2 in constant head tank 3, more specifically, is equipped with extension board 21 in

frame

1, 6 fixed mounting of support is on extension board 21, constant head tank 3 is located support 6, and the front portion and the upper portion of constant head tank 3 are the opening form, are equipped with limiting plate 7 on baffle 4, and limiting plate 7 is used for blockking to be deviate from the anterior opening part of constant head tank 3 by measured cylinder 2. The transverse moving mechanism has the following specific structure: the transverse moving mechanism comprises a transverse pushing cylinder 13, the transverse pushing cylinder 13 is fixedly installed on the rack 1, the baffle 4 is fixedly connected with a first piston rod 14 of the transverse pushing cylinder 13, a sliding groove 15 is formed in the rack 1, a guide rail 16 is arranged on the baffle 4, and the guide rail 16 is movably clamped in the sliding groove 15. Be equipped with vertical stop gear in frame 1, vertical stop gear is used for carrying on spacingly to the vertical displacement of being surveyed the hydro-cylinder 2 in constant head tank 3, vertical stop gear's concrete structure as follows: the vertical limiting mechanism is a limiting boss 8 arranged on the inner side wall of the positioning groove 3.

The pushing mechanism is arranged on the rack 1 and used for pushing the working piston rod 5 of the tested oil cylinder 2 to reset. The pushing mechanism has the following specific structure: the pushing mechanism comprises a pushing cylinder 17, the pushing cylinder 17 is fixedly mounted on the support 6 through a bracket 22, a through hole 18 is formed in the support 6, a second piston rod 19 of the pushing cylinder 17 is movably arranged in the through hole 18 in a penetrating mode, and the second piston rod 19 of the pushing cylinder 17 corresponds to the working piston rod 5 of the tested oil cylinder 2. The baffle 4 is provided with a support 10, the support 10 is provided with a clamping groove 11, the rubber pipe sleeve 9 is provided with an annular groove 12, and the rubber pipe sleeve 9 is clamped in the clamping groove 11 of the support 10 through the annular groove 12. The oil groove 20 is fixedly installed on the frame 1, and the oil groove 20 is used for receiving and collecting hydraulic oil leaked in the test process.

Referring to fig. 5 and 6, when the pressure test stand works, the tested oil cylinder 2 is placed into the positioning groove 3, the limiting boss 8 is clamped into the self-provided annular groove 25 on the outer side wall of the tested oil cylinder 2 to limit the displacement of the tested oil cylinder 2 in the vertical direction, the transverse pushing cylinder 13 pushes the baffle 4 to move transversely, the limiting plate 7 moves to the front side of the positioning groove 3 to limit the displacement of the tested oil cylinder 2 in the horizontal direction, the oil taking pipe penetrates through the rubber pipe sleeve 9, the connector 24 on the oil way 23 of the tested oil cylinder 2 is communicated with an oil pipe and is communicated with a hydraulic pump station through the oil pipe, the hydraulic pump station is started, the tested oil cylinder 2 is detected by 35MPa hydraulic pressure, the working piston rod 5 of the tested oil cylinder 2 is pushed out, and the hydraulic pump station stops working after the pressure test time is 2 minutes. And then, the second piston rod 19 of the pushing cylinder 17 is controlled to extend out, the second piston rod 19 penetrates through the through hole 18, the working piston rod 5 of the tested oil cylinder 2 is pushed back, then the transverse pushing cylinder 13 drives the baffle plate 4 to move back to the right, the limiting plate 7 is moved away from the front of the positioning groove 3, the joint 24 is separated from the oil pipe, the tested oil cylinder 2 is taken out of the positioning groove 3, the pressure test of the tested oil cylinder 2 can be completed, a small amount of hydraulic oil leaks in the process of separating the joint 24 from the oil pipe, the hydraulic oil can be collected through the oil groove 20, and the site is prevented from being polluted by the leaked hydraulic oil.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a pressure-resistant test bed, its characterized in that, includes frame (1), baffle (4), sideslip mechanism and pushing mechanism be equipped with constant head tank (3) that are used for holding to place by survey hydro-cylinder (2) in frame (1), baffle (4) are installed in frame (1) through sideslip mechanism, and baffle (4) are used for carrying on spacingly to being surveyed the horizontal displacement of hydro-cylinder (2) in constant head tank (3), are equipped with vertical stop gear in frame (1), and vertical stop gear is used for carrying on spacingly to being surveyed the vertical displacement of hydro-cylinder (2) in constant head tank (3), pushing mechanism installs in frame (1), and pushing mechanism is used for promoting by the work piston rod (5) of survey hydro-cylinder (2) to reset.

2. The pressure-resistant test bed according to claim 1, further comprising a support (6), wherein a support plate (21) is arranged on the rack (1), the support (6) is fixedly mounted on the support plate (21), the positioning groove (3) is located on the support (6), the front portion and the upper portion of the positioning groove (3) are both open, a limiting plate (7) is arranged on the baffle (4), and the limiting plate (7) is used for preventing the tested oil cylinder (2) from coming out of an opening in the front portion of the positioning groove (3).

3. A pressure test bench as claimed in claim 1, characterized in that the vertical limiting mechanism is a limiting boss (8) arranged on the inner side wall of the positioning groove (3).

4. A pressure-resistant test bed as claimed in claim 1, further comprising a rubber tube sleeve (9), wherein a bracket (10) is provided on the baffle (4), a slot (11) is provided on the bracket (10), a ring slot (12) is provided on the rubber tube sleeve (9), and the rubber tube sleeve (9) is clamped at the slot (11) of the bracket (10) through the ring slot (12).

5. The pressure-resistant test bed of claim 1, wherein the traversing mechanism comprises a traversing cylinder (13), the traversing cylinder (13) is fixedly mounted on the frame (1), the baffle plate (4) is fixedly connected with a first piston rod (14) of the traversing cylinder (13), a chute (15) is arranged on the frame (1), a guide rail (16) is arranged on the baffle plate (4), and the guide rail (16) is movably clamped in the chute (15).

6. The pressure test stand according to claim 2, wherein the pushing mechanism comprises a pushing cylinder (17), the pushing cylinder (17) is fixedly mounted on the support (6), a through hole (18) is formed in the support (6), a second piston rod (19) of the pushing cylinder (17) is movably arranged in the through hole (18) in a penetrating manner, and the second piston rod (19) of the pushing cylinder (17) corresponds to the working piston rod (5) of the tested oil cylinder (2).

7. A pressure test bench as claimed in claim 1, further comprising an oil tank (20), wherein the oil tank (20) is fixedly mounted on the frame (1), and the oil tank (20) is used for receiving and collecting the leaked hydraulic oil during the test.