CN216410667U - Oil cylinder test bed structure - Google Patents

Oil cylinder test bed structure Download PDF

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Publication number
CN216410667U
CN216410667U CN202122973336.4U CN202122973336U CN216410667U CN 216410667 U CN216410667 U CN 216410667U CN 202122973336 U CN202122973336 U CN 202122973336U CN 216410667 U CN216410667 U CN 216410667U
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China
Prior art keywords
oil cylinder
test
sliding seat
loading
guide rail
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CN202122973336.4U
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Chinese (zh)
Inventor
李同林
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Tianjin Zhongguanghui Railway Machinery Manufacturing Co ltd
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Tianjin Zhongguanghui Railway Machinery Manufacturing Co ltd
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Abstract

The utility model discloses an oil cylinder test bed structure which comprises two groups of fixed beams which are arranged at the upper end of a test platform in parallel, wherein guide rails are arranged on the inner sides of the fixed beams, a sliding seat is clamped on the guide rails, a loading oil cylinder is arranged on one side surface of one of the fixed beams, a piston rod of the loading oil cylinder is connected with a mounting flange, the mounting flange is connected with the sliding seat, and a force sensor is arranged on the side surface of the sliding seat. The utility model has scientific and reasonable structural design, the method for fixing the sliding seat by adopting the double-guide rail mode increases the action of the sliding seat on resisting radial force, the safety is higher, the loading oil cylinder adopts the cylinder head end flange mounting mode to increase the test stroke of the oil cylinder, so that the loading test has more types, wider range and higher safety, the utility model changes the conditions that the existing test bed has large integral space and the test oil cylinder has narrow range, and can not carry out the test on the hydraulic cylinder with eccentric load or long stroke in some special mounting modes, and ensures the carrying out of some special tests.

Description

Oil cylinder test bed structure
Technical Field
The utility model relates to the technical field of oil cylinder loading test equipment, in particular to an oil cylinder test bench structure.
Background
After the hydraulic oil cylinder is assembled, a factory test is usually required so as to carry out performance inspection. However, the general factory test cannot meet the examination of the strength of each part and welding part of the oil cylinder, especially the examination of the strength of the piston rod part, and thus the oil cylinder needs to be subjected to an external loading test. Now; another problem is that, in the test of the internal leakage value of the top loading detection of the oil cylinder, the data of the detected oil cylinder leakage value is also inaccurate due to the influence of the internal leakage of the loading oil cylinder. The existing oil cylinder loading test bed is basically designed according to a national standard form, and a more conventional loading mode is to load an oil cylinder and a tested oil cylinder in a butting mode. Therefore, the oil cylinder test bench structure is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an oil cylinder test bed structure to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an oil cylinder test bench structure, includes two sets of fixed beams of parallel mount in test platform upper end, the guide rail is installed to the fixed beam inboard, the card is equipped with the slide on the guide rail, one of them fixed beam side-mounting has the loading hydro-cylinder, the piston rod of loading hydro-cylinder is connected with mounting flange, mounting flange is connected with the slide, the slide side sets up force sensor, the constant head tank has been seted up to the guide rail side, the slide front side is provided with the connecting plate of accessible bolt fastening in the guide rail side, the slide bottom is provided with the spiral seat, the spiro union has the lead screw in the spiral seat, lead screw one end is connected with the runner, the runner outside is fixed with the handle bar, the test platform upside is provided with the scale.
Preferably, the guide rail is a 42CrMo steel guide rail, the guide rails are provided with two groups, and the guide rails are fixedly connected with the fixed beam through nuts.
Preferably, the bottom of the test platform is provided with an anti-skid base through a support column.
Preferably, the middle of the fixed beam is provided with a processing hole, the side surface of the fixed beam is provided with a threaded hole, and the loading oil cylinder is arranged on the fixed beam through a bolt.
Preferably, the loading oil cylinder piston rod end lug ring is connected with the sliding seat through a pin shaft.
Preferably, two ends of the screw rod are movably connected with the fixed beam through bearing seats.
Compared with the prior art, the utility model has the beneficial effects that: this kind of hydro-cylinder test bench structure, structural design is simple reasonable, has stronger practicality, the limitation to current loading test bench improves, widen the test range, the method that adopts the fixed slide of two guide rail modes increases the effect that the slide resists the radial force, the security is higher, loading hydro-cylinder adopts the experimental stroke that cylinder head end flange mounting mode increased the hydro-cylinder, thereby make the loading test kind more, the scope is wider, the security is higher, it is big to current test bench overall space, the test hydro-cylinder scope is narrow, to some special mounting methods, the condition that the existence unbalance loading or long stroke pneumatic cylinder can not carry out the experiment changes, the going on of some special tests has been guaranteed.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a top view of the structure of the present invention.
In the figure: the device comprises a test platform 1, a fixed beam 2, a guide rail 3, a sliding seat 4, a loading oil cylinder 5, a nut 6, a mounting flange 7, a force sensor 8, an anti-skid base 9, a positioning groove 10, a connecting plate 11, a spiral seat 12, a screw rod 13, a bearing seat 14, a rotating wheel 15, a hand lever 16 and a graduated scale 17.
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.
Referring to fig. 1-2, the present invention provides a technical solution: an oil cylinder test bench structure comprises two groups of fixed beams 2 which are arranged at the upper end of a test platform 1 in parallel, guide rails 3 are arranged on the inner sides of the fixed beams 2, the guide rails 3 are 42CrMo steel guide rails, the guide rails 3 are provided with two groups, the guide rails 3 are made of 42CrMo steel, thermal refining treatment, surface intermediate frequency quenching and hard chromium plating are carried out, the toughness and the wear resistance of the guide rails 3 are improved, the guide rails 3 are fixedly connected with the fixed beams 2 through nuts 6, the guide rails 3 are arranged on the fixed beams 2, the guide rails 3 and the fixed beams 2 are connected and fastened through high-strength nuts 6 and bolts, a slide seat 4 is clamped on the guide rails 3, the limitation of the existing loading test bench is improved, the test range is widened, the effect of the slide seat 4 on radial force is increased by adopting a method of fixing the slide seat 4 in a double-guide rail mode, the safety is higher, the test is more stable when an irregular installation mode or an oil cylinder with an eccentric load force is tested, the numerical value is more accurate.
The loading oil cylinder 5 is installed on the side face of one of the fixed beams 2, the loading oil cylinder 5 is installed in a mode of a cylinder head end flange, the hydraulic cylinder is designed according to the rated pressure of 31MPa, the maximum loading force is increased, the loading oil cylinder 5 is connected with a loading test bed through a high-pressure hose, the loading test bed controls the stretching or retracting action of the loading oil cylinder 5 by controlling the reversing valve to reverse, so that the sliding seat 4 is driven to move, a machining hole is formed in the middle of the fixed beam 2, a threaded hole is formed in the side face of the fixed beam 2, the loading oil cylinder 5 is installed on the fixed beam 2 through a bolt, screw holes are machined in the fixed beam 2 and the guide rail 3, and different oil cylinder fixing tools can be adapted to connection and test of test oil cylinders in different connection modes.
The piston rod end earrings of the loading oil cylinders 5 are connected with the sliding seats 4 through pin shafts, piston rods of the loading oil cylinders 5 are connected with mounting flanges 7, the mounting flanges 7 are connected with the sliding seats 4, the loading oil cylinders adopt a cylinder head end flange mounting mode, the mounting space and the stroke space of a test oil cylinder are increased, oil cylinders with large strokes and large mounting distances can be tested, the loading oil cylinders are designed according to high pressure of 31MPa, the range of the test loading force of the loading oil cylinders is larger, a test bench can meet the test of oil cylinders with more models, so that the types of the loading test are more, the range is wider, the safety is higher, force sensors 8 are arranged on the side surfaces of the sliding seats 4, one ends of the loading oil cylinders 5 are connected with the fixed beams 2 through bolts, one ends of the loading oil cylinders are connected with the sliding seats 4 through the mounting flanges 7 and the pin shafts, the force sensors 8 are arranged on the side surfaces of the sliding seats 4, and the thrust and the tension generated by the loading oil cylinders 5 can be transmitted to an acquisition system matched with the loading oil cylinders in real time, therefore, the worker can accurately master the magnitude of the pushing force and the pulling force generated by the loading oil cylinder 5.
The bottom of the test platform 1 is provided with an antiskid base 9 through a support column, the side surface of the guide rail 3 is provided with a positioning groove 10, the front side of the sliding seat 4 is provided with a connecting plate 11 which can be fixed on the side surface of the guide rail 3 through a bolt, two sides of the connecting plate 11 are provided with holes, when the position of the sliding seat 4 needs to be fixed, the sliding seat is inserted into the positioning groove 10 with threads through the holes on the side surface of the connecting plate 11 through the bolt, thereby completing the positioning process of the sliding seat 4, the bottom of the sliding seat 4 is provided with a spiral seat 12, a screw rod 13 is screwed in the spiral seat 12, two ends of the screw rod 13 are movably connected with the fixed beam 2 through a bearing seat 14, one end of the screw rod 13 is connected with a rotating wheel 15, the outer side of the rotating wheel 15 is fixed with a hand lever 16, when in work, the rotating wheel 15 drives the screw rod 13 to rotate, thereby driving the spiral seat 12 and the sliding seat 4 to move back and forth, the upper side of the test platform 1 is provided with a graduated scale 17, the moving distance of the slide seat 4 can be conveniently observed through the graduated scale 17, so that the test effect can be conveniently judged.
The working principle is as follows:
the oil cylinder test bench structure is characterized in that a double-group guide rail 3 is additionally arranged between two fixed beams 2, the capability of a sliding seat 4 for resisting radial force is improved, the test is more stable and the numerical value is more accurate when an irregular installation form or an oil cylinder with an offset load force is tested, screw holes are processed on the fixed beams 2 and the guide rail 3, different oil cylinder fixing tools can be installed, the connection and the test of the test oil cylinders with different connection forms are adapted, a loading oil cylinder 5 adopts a cylinder head end flange installation mode, the installation space and the stroke space of the test oil cylinder are improved, a hand lever 16 is manually rotated to enable a rotating wheel 15 to rotate forwards and reversely, so that a screw seat 12 is driven by a lead screw 13 to further realize the front-and-back movement process of the sliding seat 4 on the upper surface of a test platform 1, one end of the loading oil cylinder 5 is installed and fixed on the fixed beams 2, one end of a piston rod of the loading oil cylinder 5 is connected with the sliding seat 4, and the sliding seat 4 is adjusted to a required position by the hand lever 16 and the rotating wheel 15, because a screw rod rigid mechanism is adopted as a driving mechanism, the rigidity of the screw rod rigid mechanism is higher, the screw rod rigid mechanism is matched with a connecting plate 11 and a bolt for use, the slide seat 4 can be doubly fixed, so that the fixing effect of the slide seat 4 is effectively ensured, and the inspection precision is ensured, the loading oil cylinder 5 is connected with a loading test bed through a high-pressure hose, the loading test bed controls the stretching or retracting action of the loading oil cylinder 5 by controlling the reversing valve to reverse, so that the slide seat 4 is driven to move, meanwhile, the pushing force and the pulling force generated by the loading oil cylinder 5 can be transmitted to an acquisition system matched with the loading oil cylinder 5 in real time under the action of a force sensor 8, pressure oil is introduced into a test cavity of the loading oil cylinder 5 through the high-pressure hose to reach the test pressure, a piston rod generates the trend of stretching or retracting movement, the generated pulling pressure is transmitted to the force sensor 8, and whether the slide seat 4 moves or not is observed through a graduated scale 17 in the process, after the reciprocating test, the loading oil cylinder 5 is disassembled, and the permanent deformation and abrasion phenomena of the cylinder body, the piston rod, the guide sleeve, the piston and the support ring are detected, so that the loading test can be carried out.
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 (6)

1. The utility model provides an oil cylinder test bench structure, includes two sets of fixed beams (2) of parallel mount in test platform (1) upper end, its characterized in that: a guide rail (3) is arranged on the inner side of the fixed beam (2), a sliding seat (4) is clamped on the guide rail (3), a loading oil cylinder (5) is arranged on the side surface of one of the fixed beams (2), a piston rod of the loading oil cylinder (5) is connected with a mounting flange (7), the mounting flange (7) is connected with the sliding seat (4), the side surface of the sliding seat (4) is provided with a force sensor (8), a positioning groove (10) is arranged on the side surface of the guide rail (3), a connecting plate (11) which can be fixed on the side surface of the guide rail (3) through a bolt is arranged on the front side of the sliding seat (4), a screw seat (12) is arranged at the bottom of the sliding seat (4), a screw rod (13) is screwed in the screw seat (12), lead screw (13) one end is connected with runner (15), the runner (15) outside is fixed with hand lever (16), test platform (1) upside is provided with scale (17).
2. The oil cylinder test bench structure according to claim 1, characterized in that: the guide rail (3) is a 42CrMo steel guide rail, two groups of guide rails (3) are arranged, and the guide rails (3) are fixedly connected with the fixed beam (2) through nuts (6).
3. The oil cylinder test bench structure according to claim 1, characterized in that: the anti-skidding base (9) is installed through the support column in test platform (1) bottom.
4. The oil cylinder test bench structure according to claim 1, characterized in that: the middle of the fixed beam (2) is provided with a processing hole, the side surface of the fixed beam (2) is provided with a threaded hole, and the loading oil cylinder (5) is installed on the fixed beam (2) through a bolt.
5. The oil cylinder test bench structure according to claim 1, characterized in that: and the loading oil cylinder (5) piston rod end earrings are connected with the sliding seat (4) through pin shafts.
6. The oil cylinder test bench structure according to claim 1, characterized in that: and two ends of the screw rod (13) are movably connected with the fixed beam (2) through a bearing seat (14).
CN202122973336.4U 2021-11-30 2021-11-30 Oil cylinder test bed structure Active CN216410667U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122973336.4U CN216410667U (en) 2021-11-30 2021-11-30 Oil cylinder test bed structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122973336.4U CN216410667U (en) 2021-11-30 2021-11-30 Oil cylinder test bed structure

Publications (1)

Publication Number Publication Date
CN216410667U true CN216410667U (en) 2022-04-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122973336.4U Active CN216410667U (en) 2021-11-30 2021-11-30 Oil cylinder test bed structure

Country Status (1)

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CN (1) CN216410667U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117074154A (en) * 2023-01-29 2023-11-17 北京建筑大学 Pipe-curtain-method jacking pipe jacking force test system and test method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117074154A (en) * 2023-01-29 2023-11-17 北京建筑大学 Pipe-curtain-method jacking pipe jacking force test system and test method
CN117074154B (en) * 2023-01-29 2024-06-07 北京建筑大学 Pipe-curtain-method jacking pipe jacking force test system and test method

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