Test bench suitable for hydraulic oil cylinder performance test

Abstract

The utility model relates to the technical field of test benches, and provides a test bench suitable for hydraulic oil cylinder performance test, which comprises a support table, an oil cylinder body, a first cavity, a clamping mechanism and a moving mechanism, the support table is fixedly provided with an experiment frame, and the oil cylinder body is arranged on the support table. A fixing disc is fixedly arranged at the bottom end of the side wall of the oil cylinder body, the first cavity is formed in the supporting table, a positioning disc is slidably arranged in the first cavity and slidably connected with the side wall of the first cavity, the clamping mechanism is arranged between the positioning disc and the fixing disc and used for clamping and fixing the fixing disc, and the moving mechanism is arranged between the positioning disc and the supporting table. By means of the technical scheme, the problem that in the prior art, an experiment table frame is low in hydraulic oil cylinder installation and replacement efficiency is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to test bench technical field, concretely relates to a test bench suitable for hydraulic oil cylinder performance test. BACKGROUND

[0002] As the core component of linear reciprocating motion in various mechanical equipment, the performance of hydraulic oil cylinder directly affects the stability and reliability of equipment operation. In the research and development, production and quality detection of hydraulic oil cylinder, its pressure bearing, sealing performance, motion accuracy and other parameters need to be tested comprehensively through test bench. Among them, the installation stability of hydraulic oil cylinder on the test bench plays a key role in the accuracy and efficiency of test results.

[0003] The existing hydraulic oil cylinder test bench is fixed by bolt fastening or rigid clamp, but the fixed way by bolt or rigid clamp not only has a complicated installation process, needs to spend a lot of time for alignment and bolt tightening, but also is easy to cause scratches or deformation on the surface of the oil cylinder after disassembly and assembly for many times, which affects the test results. In addition, due to the difference of installation size and interface form of different specifications of hydraulic oil cylinder, the existing fixing device is difficult to realize quick adaptation, and has poor universality. SUMMARY

[0004] The utility model provides a test bench suitable for hydraulic oil cylinder performance test for solving the problem of low installation and replacement efficiency of experimental test bench for hydraulic oil cylinder in the prior art.

[0005] The technical scheme of the utility model is as follows: a test bench suitable for hydraulic oil cylinder performance test, comprising a support table, an experimental rack is fixedly arranged on the support table, further comprising an oil cylinder body, a first cavity, a clamping mechanism and a moving mechanism, the oil cylinder body is arranged on the support table, a fixed disc is fixedly arranged at the bottom end of the side wall of the oil cylinder body, the first cavity is arranged in the support table, a positioning disc is slidably arranged in the first cavity, the positioning disc is slidably connected with the side wall of the first cavity, the clamping mechanism is arranged between the positioning disc and the fixed disc, and is used for clamping and fixing the fixed disc, the moving mechanism is arranged between the positioning disc and the support table, and is used for driving the positioning disc to move in the first cavity.

[0006] Preferably, the clamping mechanism comprises positioning grooves, a positioning opening, positioning blocks and a synchronous moving mechanism, the top side wall of the positioning disc is annularly provided with a plurality of positioning grooves, the top side wall of the first cavity is provided with the positioning opening on one side of the positioning grooves, the positioning opening is matched with the shape of the positioning grooves, the L-shaped positioning blocks are slidably arranged in the positioning grooves, the top end of the positioning blocks extends out of the first cavity through the positioning opening, and the synchronous moving mechanism is arranged on the positioning disc and used for driving the synchronous movement of the positioning blocks.

[0007] Further, the synchronous moving mechanism comprises a first threaded rod, a second cavity, a driving rod, a second bevel gear, a driving prism and a driving mechanism, the first threaded rod is rotatably arranged in the positioning groove, the first threaded rod penetrates the positioning block through thread cooperation, the second cavity is arranged between the positioning grooves, the inner bottom wall of the second cavity is provided with a driving opening, one end of the first threaded rod close to the second cavity is fixedly provided with the driving rod, the driving rod extends into the second cavity and is fixedly provided with the first bevel gear at an end away from the first threaded rod, the second bevel gear is rotatably arranged on the inner bottom wall of the second cavity, the second bevel gear is meshed with the first bevel gear, the driving prism is fixedly arranged on the second bevel gear, and the driving prism extends out of the support table through the driving opening at an end away from the second bevel gear.

[0008] Still further, the driving mechanism comprises a first gear, a second gear and a first motor, the first gear is rotatably arranged on the inner bottom wall of the first cavity, the driving prism penetrates the first gear and is slidably connected with the first gear, the second gear is rotatably arranged on the inner bottom wall of the first cavity, the second gear is meshed with the first gear, and the first motor is mounted on the support table and the output end of the first motor is fixedly connected with the second gear.

[0009] Still further, the moving mechanism comprises a second threaded rod and a second motor, the second threaded rod is rotatably arranged in the first cavity, the second threaded rod penetrates the positioning disc through thread cooperation, the second motor is mounted on the support table, and the output end of the second motor is fixedly connected with the second threaded rod.

[0010] On the basis of the above scheme, a plurality of guide rods are fixedly arranged in the first cavity, the guide rods penetrate the positioning disc and are slidably connected with the positioning disc.

[0011] The working principle and beneficial effects of the utility model are as follows:

[0012] 1. The utility model discloses a positioning mechanism is set up, through the work of first motor can drive multiple first threaded rod synchronous rotation to can through the screw thread cooperation of first threaded rod and positioning block drive multiple positioning block synchronous movement, and then through the clamping of multiple positioning block and fixed disc realizes the positioning and fixed of oil cylinder body,

[0013] 2. The utility model discloses a moving mechanism is set up, through the work of second motor can drive second threaded rod rotation, simultaneously through the screw thread cooperation of second threaded rod and positioning disc drive positioning disc and multiple positioning block synchronous movement, and then make positioning block press hold in the surface of fixed disc, and then through the cooperation of positioning block and support platform further realizes the fixed of oil cylinder body,

[0014] 3. The utility model discloses a positioning clamping and dismounting of multiple oil cylinder bodies can be realized through the work of first motor and second motor through the setting of oil cylinder body, first cavity, clamping mechanism and moving mechanism, thereby convenient for replacing oil cylinder body. ACCURACY OF DRAWINGS

[0015] The utility model will be explained in further detail below in combination with the drawings and specific embodiment.

[0016] Figure 1 It is structure schematic drawing for the utility model,

[0017] Figure 2 It is sectional structure schematic drawing for the utility model,

[0018] Figure 3 It is support platform sectional structure schematic drawing for the utility model,

[0019] Figure 4 It is clamping mechanism place sectional structure schematic drawing for the utility model,

[0020] Figure 5 It is positioning disc sectional structure schematic drawing for the utility model.

[0021] In the drawing: 1, support platform, 2, experiment frame, 3, oil cylinder body, 4, fixed disc, 5, first cavity, 6, positioning disc, 7, positioning groove, 8, positioning mouth, 9, positioning block, 10, first threaded rod, 11, second cavity, 12, drive rod, 13, second bevel gear, 14, drive prism, 15, first gear, 16, second gear, 17, first motor, 18, second threaded rod, 19, second motor, 20, guide rod. SPECIFIC EMBODIMENT

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.

[0023] As shown in Figures 1-5 The embodiment provides a test bench suitable for hydraulic cylinder performance test, which comprises a supporting table 1, an experimental frame 2 fixedly arranged on the supporting table 1, a cylinder body 3, a first cavity 5, a clamping mechanism and a moving mechanism, the cylinder body 3 is arranged on the supporting table 1, a fixed disc 4 is fixedly arranged at the bottom end of the side wall of the cylinder body 3, the first cavity 5 is arranged in the supporting table 1, a positioning disc 6 is slidably arranged in the first cavity 5, the positioning disc 6 is slidably connected with the side wall of the first cavity 5, the clamping mechanism is arranged between the positioning disc 6 and the fixed disc 4 and is used for clamping and fixing the fixed disc 4, and the moving mechanism is arranged between the positioning disc 6 and the supporting table 1 and is used for driving the positioning disc 6 to move in the first cavity 5.

[0024] With reference to Figures 1-5The clamping mechanism includes positioning grooves 7, positioning openings 8, positioning blocks 9, and a synchronous moving mechanism. Multiple positioning grooves 7 are annularly formed on the top sidewall of the positioning disk 6. A positioning opening 8 is formed on one side of the top sidewall of the first cavity 5, and the positioning opening 8 is adapted to the shape of the positioning groove 7. An L-shaped positioning block 9 is slidably disposed within the positioning groove 7, with its top end extending through the positioning opening 8 and out of the first cavity 5. The synchronous moving mechanism is mounted on the positioning disk 6 and is used to drive the multiple positioning blocks 9 to move synchronously. The synchronous moving mechanism includes a first threaded rod 10, a second cavity 11, a drive rod 12, a second bevel gear 13, a drive prism 14, and a drive mechanism. The first threaded rod 10 is rotatably disposed within the positioning groove 7. 10 passes through the positioning block 9 via a threaded connection. The second cavity 11 is formed between multiple positioning slots 7. A drive port is provided on the inner bottom wall of the second cavity 11. A drive rod 12 is fixedly installed at one end of the first threaded rod 10 near the second cavity 11. The end of the drive rod 12 away from the first threaded rod 10 extends into the second cavity 11 and is fixedly installed with a first bevel gear. A second bevel gear 13 is rotatably mounted on the inner bottom wall of the second cavity 11 and meshes with the first bevel gear. A drive prism 14 is fixedly mounted on the second bevel gear 13. The end of the drive prism 14 away from the second bevel gear 13 extends through the drive port and out of the support platform 1. The drive mechanism is mounted on the support platform 1 and is used to drive the drive prism 14 to rotate. Specifically... The operation of the drive mechanism can drive the drive prism 14 and the second bevel gear 13 to rotate. At the same time, the meshing of the second bevel gear 13 with the first bevel gear can drive multiple first bevel gears and the first threaded rod 10 to rotate synchronously. Thus, the threaded engagement between the first threaded rod 10 and the positioning block 9 can drive multiple positioning blocks 9 to move synchronously, thereby facilitating the positioning and fixing of the cylinder body 3 by clamping multiple positioning blocks 9 with the fixed plate 4.

[0025] Reference Figure 4 and Figure 5 The driving mechanism includes a first gear 15, a second gear 16, and a first motor 17. The first gear 15 is rotatably mounted on the inner bottom wall of the first cavity 5. The driving prism 14 passes through the first gear 15 and is slidably connected to the first gear 15. The second gear 16 is rotatably mounted on the inner bottom wall of the first cavity 5 and meshes with the first gear 15. The first motor 17 is mounted on the support platform 1, and the output end of the first motor 17 is fixedly connected to the second gear 16. Specifically, the operation of the first motor 17 can drive the second gear 16 to rotate. At the same time, the meshing of the second gear 16 with the first gear 15 drives the first gear 15 to rotate. Furthermore, the sliding engagement between the first gear 15 and the driving prism 14 drives the driving prism 14 and the second bevel gear 13 to rotate.

[0026] Reference Figures 3-5The moving mechanism comprises a second threaded rod 18 and a second motor 19, the second threaded rod 18 is rotationally arranged in the first cavity 5, the second threaded rod 18 penetrates the positioning disc 6 through the threaded cooperation, the second motor 19 is installed on the support table 1, the output end of the second motor 19 is fixedly connected with the second threaded rod 18, a plurality of guide rods 20 are fixedly arranged in the first cavity 5, the guide rods 20 penetrate the positioning disc 6 and are slidably connected with the positioning disc 6, specifically, the second motor 19 can drive the second threaded rod 18 to rotate, and the positioning disc 6 and the plurality of positioning blocks 9 are synchronously moved through the threaded cooperation between the second threaded rod 18 and the positioning disc 6, so that the positioning blocks 9 are pressed on the surface of the fixed disc 4, and the fixing of the oil cylinder body 3 is further realized through the cooperation between the positioning blocks 9 and the support table 1.

[0027] The working principle is that, in use, the operator places the oil cylinder body 3 on the surface of the support table 1 and makes the fixed disc 4 located between the plurality of positioning blocks 9, then the operator controls the first motor 17 to work, the first motor 17 can drive the second gear 16 to rotate, the first gear 15 is driven to rotate through the meshing between the second gear 16 and the first gear 15, the driving prism 14 and the second bevel gear 13 are driven to rotate through the sliding cooperation between the first gear 15 and the driving prism 14, the plurality of first bevel gears and the first threaded rod 10 are synchronously driven to rotate through the meshing between the second bevel gear 13 and the first bevel gear, so that the plurality of positioning blocks 9 are synchronously moved through the threaded cooperation between the first threaded rod 10 and the positioning blocks 9, the positioning and fixing of the oil cylinder body 3 are realized through the clamping of the plurality of positioning blocks 9 and the fixed disc 4, then the operator controls the second motor 19 to work, the second motor 19 can drive the second threaded rod 18 to rotate, the positioning disc 6 and the plurality of positioning blocks 9 are synchronously moved through the threaded cooperation between the second threaded rod 18 and the positioning disc 6, so that the positioning blocks 9 are pressed on the surface of the fixed disc 4, and the fixing of the oil cylinder body 3 is further realized through the cooperation between the positioning blocks 9 and the support table 1.

[0028] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A test bench suitable for hydraulic cylinder performance test, comprising a support table (1), an experimental frame (2) is fixedly arranged on the support table (1), characterized in that, Also include: The oil cylinder body (3) is arranged on the support table (1), and the side wall bottom end of the oil cylinder body (3) is fixedly provided with a fixed disc (4); First cavity (5), the first cavity (5) is opened in the support table (1), the first cavity (5) is slidably provided with a positioning disc (6), the positioning disc (6) is slidably connected with the side wall of the first cavity (5); Clamping mechanism, the clamping mechanism is arranged between the positioning disc (6) and the fixed disc (4), for clamping and fixing the fixed disc (4); The moving mechanism is arranged between the positioning disc (6) and the support table (1), which is used for driving the positioning disc (6) to move in the first cavity (5).

2. The test bench for testing the performance of a hydraulic cylinder according to claim 1, characterized in that, The clamping mechanism comprises: Positioning groove (7), the top side wall of the positioning disc (6) is annularly provided with a plurality of positioning grooves (7); Positioning mouth (8), the top side wall of the first cavity (5) is provided with the positioning mouth (8) on one side of the positioning groove (7), and the positioning mouth (8) is matched with the shape of the positioning groove (7); Positioning block (9), the positioning groove (7) is slidably provided with an L-shaped positioning block (9), and the top end of the positioning block (9) penetrates the positioning mouth (8) and extends out of the first cavity (5); Synchronous moving mechanism, the synchronous moving mechanism is arranged on the positioning disc (6), which is used for driving a plurality of positioning blocks (9) to move synchronously.

3. The test bench for testing the performance of a hydraulic cylinder according to claim 2, characterized in that, The synchronous moving mechanism comprises: First threaded rod (10), the first threaded rod (10) is rotatably arranged in the positioning groove (7), and the first threaded rod (10) penetrates the positioning block (9) through thread cooperation; Second cavity (11), the second cavity (11) is arranged between a plurality of positioning grooves (7), and the inner bottom wall of the second cavity (11) is provided with a driving port; Drive rod (12), one end of the first threaded rod (10) close to the second cavity (11) is fixedly provided with a drive rod (12), the drive rod (12) extends into the second cavity (11) away from one end of the first threaded rod (10) and is fixedly provided with a first bevel gear; Second bevel gear (13), the second bevel gear (13) is rotatably arranged on the inner bottom wall of the second cavity (11), and the second bevel gear (13) is engaged with the first bevel gear; Drive prism (14), the drive prism (14) is fixedly arranged on the second bevel gear (13), and the drive prism (14) penetrates the driving port and extends out of the support table (1) away from one end of the second bevel gear (13); Driving mechanism, the driving mechanism is arranged on the support table (1), which is used for driving the drive prism (14) to rotate.

4. The test bench for testing the performance of a hydraulic cylinder according to claim 3, characterized in that, The driving mechanism comprises: First gear (15), the first gear (15) is rotatably arranged on the inner bottom wall of the first cavity (5), the drive prism (14) penetrates the first gear (15) and is slidably connected with the first gear (15); A second gear (16) is rotationally arranged on the inner bottom wall of the first cavity (5), and the second gear (16) is engaged with the first gear (15); A first motor (17) is installed on the support table (1), and an output end of the first motor (17) is fixedly connected with the second gear (16).

5. The test bench for testing the performance of a hydraulic cylinder according to claim 4, characterized in that, The moving mechanism comprises: A second threaded rod (18) is rotationally arranged in the first cavity (5), and the second threaded rod (18) penetrates the positioning disc (6) through threaded cooperation; A second motor (19) is installed on the support table (1), and an output end of the second motor (19) is fixedly connected with the second threaded rod (18).

6. The test bench for testing the performance of a hydraulic cylinder according to claim 5, characterized in that, A plurality of guide rods (20) are fixedly arranged in the first cavity (5), the guide rods (20) penetrate the positioning disc (6) and are in sliding connection with the positioning disc (6).

Images