CN223769965U - Testing device for bending resistance of piston rod - Google Patents
Testing device for bending resistance of piston rodInfo
- Publication number
- CN223769965U CN223769965U CN202520040535.5U CN202520040535U CN223769965U CN 223769965 U CN223769965 U CN 223769965U CN 202520040535 U CN202520040535 U CN 202520040535U CN 223769965 U CN223769965 U CN 223769965U
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- fixedly connected
- seat
- rod
- arc
- block
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Abstract
本实用新型公开了一种活塞杆抗弯曲性能的测试装置，包括底板，所述底板的底部固定连接有多个呈均匀分布的支撑杆，所述支撑杆的底部固定连接有防滑垫，所述底板的上端滑动连接有两个呈对称分布的定位座，所述定位座的顶部固定连接有固定板，所述固定板的内部通过螺纹连接有转动杆。本实用新型通过设计两组定位座及压座的配合使用，可对活塞杆的两端进行定位，在对活塞杆进行定位时，通过弧形块与弧形槽的插接，可对连接块进行限位，进而可对定位座固定，通过推动定位座可实现弧形块与不同位置处弧形槽的插接配合，可将两个定位座的间距进行调节，方便针对不同尺寸的活塞杆进行定位测试使用。
This utility model discloses a testing device for the bending resistance of a piston rod, comprising a base plate, with multiple evenly distributed support rods fixedly connected to the bottom of the base plate, and anti-slip pads fixedly connected to the bottom of the support rods. Two symmetrically distributed positioning seats are slidably connected to the upper end of the base plate, and a fixing plate is fixedly connected to the top of each positioning seat. A rotating rod is threadedly connected to the interior of the fixing plate. This utility model, through the design of two sets of positioning seats and pressure seats working together, can position both ends of the piston rod. During piston rod positioning, the connecting block can be limited by the insertion of an arc-shaped block into an arc-shaped groove, thereby fixing the positioning seats. Pushing the positioning seats allows for the insertion and engagement of the arc-shaped block with the arc-shaped groove at different positions. The distance between the two positioning seats can be adjusted, facilitating positioning tests for piston rods of different sizes.
Description
Technical Field
The utility model relates to the technical field of bending test devices, in particular to a device for testing bending resistance of a piston rod.
Background
The piston rod is a connecting component for supporting the piston to do work, and most of the piston rod is applied to the cylinder and cylinder motion executing component and is a motion component with frequent motion and high technical requirements. Taking a hydraulic cylinder as an example, the hydraulic cylinder consists of a cylinder barrel, a piston rod (cylinder rod), a piston and an end cover. The quality of the processing quality directly affects the service life and the reliability of the whole product. The piston rod has high processing requirement, the surface roughness requirement is Ra0.4-0.8μm, and the coaxiality and the wear resistance are strictly required.
In the production and processing process of the piston rod, the bending resistance of the finished piston rod product is required to be tested, so that the aim of testing the strength of the piston rod is fulfilled. When the conventional testing device is used, the positioning detection of the piston rods with different lengths is inconvenient, the use is inconvenient, and the testing of the piston rods at different positions is inconvenient. Improvements are therefore needed.
Disclosure of utility model
The utility model aims to provide a device for testing the bending resistance of a piston rod, which solves the problem that the piston rods with different lengths are inconvenient to position and detect and also solves the problem that the piston rods with different positions are inconvenient to test.
The device for testing the bending resistance of the piston rod comprises a bottom plate, wherein a plurality of support rods which are uniformly distributed are fixedly connected to the bottom of the bottom plate, anti-skid pads are fixedly connected to the bottoms of the support rods, two symmetrically distributed positioning seats are slidably connected to the upper ends of the bottom plate, a fixing plate is fixedly connected to the top of each positioning seat, a rotating rod is connected to the inside of each fixing plate through threads, a pressing seat is rotatably connected to the lower end of each rotating rod through a bearing, an installation seat is slidably connected to the upper end of the bottom plate, a hydraulic cylinder is fixedly installed on the inner side of each installation seat, a jacking block is fixedly connected to the outer side of each hydraulic cylinder output end, a pressure sensor is arranged in each jacking block, an adjusting mechanism is arranged on each positioning seat, and a moving mechanism is arranged on each installation seat.
Preferably, the adjustment mechanism includes the connecting block, the outside fixedly connected with connecting block of positioning seat, connecting block and bottom plate sliding connection, the connecting seat has been cup jointed in the outside slip of connecting block, connecting seat and bottom plate fixed connection, the arc wall has been seted up to the inside of connecting seat, the inside sliding connection of arc wall has the arc piece, arc piece and connecting block sliding connection, the dead lever has been cup jointed in the inside slip of arc piece, dead lever and connecting block fixed connection, the outside of dead lever is provided with the spring, the inside slip of connecting block has cup jointed the guide arm, guide arm and connecting seat fixed connection. Through design adjustment mechanism, conveniently adjust positioning seat using position.
Preferably, the number of the arc-shaped grooves is multiple, and the arc-shaped grooves are uniformly distributed in the connecting seat. Through designing a plurality of arc grooves for the arc piece can slide into the arc inslot portion of different positions.
Preferably, one end of the spring is fixedly connected with the arc-shaped block, and the other end of the spring is fixedly connected with the connecting block. By designing the spring, the force of the spring can act on the arc-shaped block.
Preferably, the moving mechanism comprises a connecting column, the bottom fixedly connected with spliced pole of mount pad, threaded connection has the screw rod in the inside of spliced pole, the equal fixedly connected with handle in both ends about the screw rod, the outside fixedly connected with connecting rod of spliced pole, the inside slip of connecting rod has cup jointed the guide bar, the equal fixedly connected with supporting seat in both ends about the guide bar, supporting seat and bottom plate fixed connection. Through design moving mechanism, the convenience is to kicking block position adjustment.
Preferably, the outside of screw rod has rotated the cover through the bearing and has cup jointed the rotation seat, rotation seat and bottom plate fixed connection. Through the design rotation seat, can rotate the support to the screw rod.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, through the matched use of the two groups of positioning seats and the pressing seat, the two ends of the piston rod can be positioned, when the piston rod is positioned, the connecting block can be limited through the insertion connection of the arc-shaped block and the arc-shaped groove, the positioning seats can be further fixed, the insertion connection of the arc-shaped block and the arc-shaped groove at different positions can be realized through pushing the positioning seats, the distance between the two positioning seats can be adjusted, and the positioning test for the piston rod with different sizes is convenient.
2. According to the utility model, through the effect of the designed hydraulic cylinder, the output end of the hydraulic cylinder can drive the ejector block to move, the piston rod can be subjected to bending resistance test through contact and pressing of the ejector block and the piston rod, the threaded connection of the screw rod and the connecting column can realize the threaded movement of the connecting column when the rotating handle drives the screw rod to rotate, and then the mounting seat can be driven to move in the horizontal direction, the position of the ejector block can be regulated, and the bending test can be conveniently performed at different positions of the piston rod.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is an enlarged view of the utility model at A of FIG. 1;
FIG. 3 is a top cross-sectional view of the connector of FIG. 2 according to the present utility model;
fig. 4 is a perspective view of the floor structure of fig. 1 according to the present utility model.
The device comprises a base plate 1, a supporting rod 2, a supporting rod 3, an anti-skid pad 4, a positioning seat 5, a fixing plate 6, a rotating rod 7, a pressing seat 8, an adjusting mechanism 9, a moving mechanism 10, a mounting seat 11, a hydraulic cylinder 12, a jacking block 81, a connecting block 82, a connecting seat 83, an arc groove 84, an arc block 85, a fixing rod 86, a spring 87, a guide rod 91, a connecting column 92, a screw rod 93, a handle 94, a connecting rod 95, a guide rod 96, a supporting seat 97 and a rotating seat.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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, 2 and 4, a testing device for bending resistance of a piston rod comprises a bottom plate 1, a plurality of evenly distributed support rods 2 are fixedly connected to the bottom of the bottom plate 1, anti-slip pads 3 are fixedly connected to the bottom of the support rods 2, two symmetrically distributed positioning seats 4 are slidably connected to the upper end of the bottom plate 1, a fixing plate 5 is fixedly connected to the top of each positioning seat 4, a rotating rod 6 is connected to the inside of each fixing plate 5 through threads, a pressing seat 7 is rotatably connected to the lower end of each rotating rod 6 through a bearing, an installation seat 10 is slidably connected to the upper end of the bottom plate 1, a hydraulic cylinder 11 is fixedly mounted on the inner side of each installation seat 10, a top block 12 is fixedly connected to the outer side of each output end of each hydraulic cylinder 11, a pressure sensor is arranged in each top block 12, an adjusting mechanism 8 is arranged on each positioning seat 4, and a moving mechanism 9 is arranged on each installation seat 10.
Referring to fig. 1, fig. 2, fig. 3, adjustment mechanism 8 includes connecting block 81, the outside fixedly connected with connecting block 81 of positioning seat 4, connecting block 81 and bottom plate 1 sliding connection, connecting seat 82 has been cup jointed in the outside sliding of connecting block 81, connecting seat 82 and bottom plate 1 fixed connection, arc wall 83 has been seted up to the inside of connecting seat 82, the inside sliding connection of arc wall 83 has arc piece 84, the quantity of arc wall 83 is a plurality of, a plurality of arc wall 83 are evenly distributed in the inside of connecting seat 82, through design a plurality of arc wall 83, make arc piece 84 slidable into the inside of arc wall 83 of different positions, arc piece 84 and connecting block 81 sliding connection, the inside sliding sleeve of arc piece 84 has fixed lever 85, fixed lever 85 and connecting block 81 fixed connection, the outside of fixed lever 85 is provided with spring 86, the one end and the arc piece 84 fixed connection of spring 86, the other end and the connecting block 81 fixed connection, through design spring 86, make the effort of spring 86 can act on arc piece 84, the inside sliding sleeve of 81 has the guide arm 87, guide arm 87 and connecting seat 82 fixed connection, through design adjustment mechanism 8, the position is adjusted conveniently.
Referring to fig. 1 and 4, the moving mechanism 9 includes a connecting post 91, the bottom of the mounting seat 10 is fixedly connected with the connecting post 91, a screw 92 is connected in the connecting post 91 through threads, both ends of the screw 92 are fixedly connected with a handle 93, a connecting rod 94 is fixedly connected to the outer side of the connecting post 91, a guide rod 95 is sleeved in the connecting rod 94 in a sliding manner, a supporting seat 96 is fixedly connected to the left end and the right end of the guide rod 95, a rotating seat 97 is rotatably sleeved on the outer side of the screw 92 through a bearing, the rotating seat 97 is fixedly connected with the bottom plate 1, the screw 92 can be rotatably supported through the design of the rotating seat 97, and the position of the top block 12 is conveniently adjusted through the design of the moving mechanism 9.
When the piston rod is needed to be positioned, the piston rod is firstly placed on the positioning seat 4, then the rotating rod 6 is rotated, the rotating rod 6 performs threaded movement and drives the pressing seat 7 to move downwards, so that the pressing seat 7 contacts and presses the piston rod to press and position the piston rod downwards. After the positioning is finished, the hydraulic cylinder 11 is started, and the output end of the hydraulic cylinder 11 drives the jacking block 12 to move so that the jacking block 12 contacts and jacks the piston rod, and then the piston rod can be subjected to bending resistance test.
When the position of the positioning seat 4 needs to be adjusted, the positioning seat 4 is directly pushed, the positioning seat 4 drives the connecting block 81 to move, the connecting block 81 slides along the guide rod 87, meanwhile, the connecting block 81 drives the arc block 84 to move, the arc block 84 slides along the cambered surface of the arc groove 83, the arc block 84 can be pushed by the cambered surface extrusion of the arc groove 83 and slides towards the inside of the connecting block 81, the arc block 84 can slide along the fixing rod 85 to extrude the spring 86, the arc block 84 can be separated from the arc groove 83, the arc block 84 can be pushed into the arc groove 83 at another position along with the horizontal movement of the arc block 84, the relative position of the connecting block 81 and the connecting seat 82 can be adjusted and fixed at the moment, the position of the positioning seat 4 can be adjusted, and the positioning test can be conveniently carried out on piston rods with different sizes.
When the position of the top block 12 needs to be adjusted, the handle 93 is rotated, the handle 93 drives the screw 92 to rotate, so that the connecting column 91 is in threaded motion, the connecting column 91 can drive the connecting rod 94 to slide along the guide rod 95, and then the connecting column 91 can drive the mounting seat 10 to horizontally move, the position of the top block 12 can be adjusted, and bending tests can be conveniently conducted on different positions of the piston rod.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520040535.5U CN223769965U (en) | 2025-01-08 | 2025-01-08 | Testing device for bending resistance of piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520040535.5U CN223769965U (en) | 2025-01-08 | 2025-01-08 | Testing device for bending resistance of piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223769965U true CN223769965U (en) | 2026-01-06 |
Family
ID=98258275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520040535.5U Active CN223769965U (en) | 2025-01-08 | 2025-01-08 | Testing device for bending resistance of piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223769965U (en) |
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2025
- 2025-01-08 CN CN202520040535.5U patent/CN223769965U/en active Active
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