CN215985170U - Hydraulic valve test board - Google Patents
Hydraulic valve test board Download PDFInfo
- Publication number
- CN215985170U CN215985170U CN202120861812.0U CN202120861812U CN215985170U CN 215985170 U CN215985170 U CN 215985170U CN 202120861812 U CN202120861812 U CN 202120861812U CN 215985170 U CN215985170 U CN 215985170U
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- China
- Prior art keywords
- sliding
- workbench
- driving device
- type linkage
- hydraulic valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000005452 bending Methods 0.000 claims description 29
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a hydraulic valve test bench, which comprises a workbench, a plurality of clamping pieces and a plurality of driving devices, the driving device drives the clamping pieces to clamp up and down, the plurality of clamping pieces are uniformly arranged at the upper end of the workbench along the circumferential direction, the driving device is arranged on the lower end surface of the workbench, the clamping piece and the driving device are connected with each other through a connecting rod, the workbench is provided with a plurality of sliding grooves which are distributed in a scattering shape from the center, the connecting rod is arranged in the sliding grooves in a sliding way, the lower end surface of the workbench is provided with guide rails which are arranged in parallel corresponding to the sliding chute, the driving device is connected with the guide rails in a sliding way, the workbench also comprises a curved bar linkage assembly which is connected with each driving device, the curved bar linkage assembly drives the other clamping pieces to synchronously move when one clamping piece moves, and the utility model realizes that the other driving devices and the clamping pieces can be driven to synchronously move by pushing one clamping piece through the linkage bar.
Description
Technical Field
The utility model relates to the technical field of test equipment, in particular to a hydraulic valve test bench.
Background
The valve detection equipment is the basic guarantee of the tightness quality of the valve and the valve after maintenance. The hydraulic valve test board integrates hydraulic pressure, machinery, electric appliances and a hydraulic water supply pump and is compressed by a hydraulic oil cylinder. When the performance test is carried out on the tested valve, the hydraulic system is a main power source of the test bed and is used for the function execution of the hydraulic oil cylinder drive and the liquid water supply pump. The hydraulic oil cylinder compression working pressure is regulated and pressurized according to different valve test pressure grades, and the valve can be reliably compressed to meet the valve test. The clamping piece of the existing hydraulic test bench is fixedly installed and collides with the valve in the installation process, so that the clamping piece and the valve are easily damaged. Even if adjustable clamping members exist in the prior art, the clamping members need to be adjusted respectively to enable the valve to be compressed, so that the detection efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydraulic valve test bench which solves the technical problems that in the prior art, a clamping piece of the hydraulic valve test bench cannot be adjusted or linked due to fixed installation, so that the hydraulic valve test bench cannot be suitable for valves with different drift diameters and the maintenance efficiency is affected, and therefore the hydraulic valve test bench with the adjustable clamping piece and capable of being adjusted in a linked mode is provided.
In order to solve the technical problem, the utility model provides a hydraulic valve test bench, which comprises a workbench, a plurality of clamping pieces and a plurality of driving devices, the driving device drives the clamping pieces to clamp up and down, a plurality of the clamping pieces are uniformly arranged at the upper end of the workbench along the circumferential direction, the driving device is arranged on the lower end surface of the workbench, the clamping piece and the driving device are connected with each other through a connecting rod, the workbench is provided with a plurality of sliding grooves which are distributed in a scattering shape from the center, the connecting rod is arranged in the sliding grooves in a sliding way, the lower end surface of the workbench is provided with parallel sliding rails corresponding to the sliding chutes, the driving devices are connected with the sliding rails in a sliding way, the workbench also comprises a curved bar linkage assembly, the curved bar linkage assembly is connected with each driving device, the curved bar linkage assembly drives the other clamping pieces to move synchronously when one of the clamping pieces moves.
The utility model is further arranged in such a way that the workbench is provided with a plurality of sliding grooves, and the connecting rod slides in the sliding grooves to drive the clamping piece to lock valves with different diameters.
The utility model is further provided that the two sides of the lower end surface of the workbench along the sliding direction of the sliding groove are provided with sliding rails.
The utility model is further provided that the driving device is provided with a sliding seat which is matched with the sliding rail to slide.
The utility model is further provided that the number of the clamping pieces and the driving devices is three, the curved bar linkage assembly comprises two straight bar type linkage bars and two bending type linkage bars, one ends of the two bending type linkage bars are hinged with each other and connected to the sliding seat of one of the driving devices, the two straight bar type linkage bars are arranged in a crossed manner, one ends of the two bending type linkage bars are hinged with the sliding seats of the other two driving devices, the other ends of the two bending type linkage bars are hinged with the free ends of the two bending type linkage bars, and the lower end surface of the workbench is provided with two limiting pieces for guiding the straight bar type linkage bars to move along the sliding direction of the sliding groove.
The utility model is further provided that waist-shaped connecting grooves are arranged at two ends of the bending type linkage rod.
The utility model is further configured such that the drive means is a hydraulic cylinder, an air cylinder or an oil cylinder.
The utility model has the beneficial effects that:
the utility model is provided with the curved bar linkage assembly, so that the clamping piece can be pushed to drive other driving devices and the clamping piece to move through the linkage bar, and the synchronous movement of each clamping piece and the compression of the valve are realized. The sliding rails arranged in parallel are arranged at the position, corresponding to the sliding groove, of the lower end face of the workbench, and the driving device is provided with the sliding seat, so that the driving device can move on the sliding rails smoothly, the sliding resistance is reduced, and the service life is prolonged. In addition, the driving device is arranged on the lower end surface of the workbench, so that the clamping piece can be driven to move up and down, and the valve is convenient to place and lock.
Drawings
FIG. 1: is a schematic structural diagram of the crank linkage assembly of the utility model;
FIG. 2: is a structural schematic diagram of the utility model.
Reference numerals: 1-a workbench; 11-a sliding groove; 12-a slide rail; 13-a sliding seat; 14-a limit stop; 2-a clamping member; 3-a drive device; 4-a connecting rod; 5-a crank linkage assembly; 51-straight bar type linkage rod; 52-bending type linkage rods; 521-connecting groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
According to the embodiment of the utility model, the hydraulic valve test bench comprises a workbench 1, a plurality of clamping pieces 2 and a plurality of driving devices 3, wherein the driving devices drive the clamping pieces to clamp and move up and down, the clamping pieces 2 are uniformly arranged at the upper end of the workbench 1 along the circumferential direction, the driving devices 3 are arranged at the lower end surface of the workbench 1, and the clamping pieces 2 and the driving devices 3 are connected with each other through connecting rods 4, and the hydraulic valve test bench is characterized in that: the novel clamping device is characterized in that a plurality of sliding grooves 11 distributed in a scattering manner from the center are formed in the workbench 1, the connecting rods 4 are arranged in the sliding grooves 11 in a sliding manner, sliding rails arranged in parallel are arranged at positions, corresponding to the sliding grooves, of the lower end face of the workbench, the driving devices are connected with the sliding rails in a sliding manner, the novel clamping device further comprises a curved bar linkage assembly 5, the curved bar linkage assembly 5 is connected with each driving device 3, and the curved bar linkage assembly 5 drives the other clamping devices 2 to move synchronously when one clamping device 2 moves.
Through above-mentioned technical scheme, set up drive arrangement in workstation lower extreme face and make it can drive the clamping piece and reciprocate, be convenient for placing and locking of valve. Meanwhile, a curved bar linkage assembly is arranged on the lower end face of the workbench and is formed by connecting different linkage bars in a combined mode to form a linkage path, the path is communicated with each driving device, one driving device is connected with a linkage bar pivot, so that when one clamping piece is pushed, the main linkage bar is directly or indirectly driven to change, other slave linkage bars are driven to change, the corresponding driving devices move, and the synchronous movement of each clamping piece is realized. In addition, the lower end face of the workbench is provided with the sliding rails which are arranged in parallel corresponding to the sliding grooves, so that the driving device can move on the sliding rails smoothly, the sliding resistance is reduced, and the service life is prolonged.
As a modified specific embodiment, the lower end surface of the workbench 1 is provided with slide rails 12 along both sides of the sliding direction of the slide groove 11.
As a modified embodiment, the driving device 3 is provided with a sliding seat 13, and the sliding seat 13 is matched with the sliding rail 12 for sliding.
Through above-mentioned technical scheme, set up the seat that slides in drive arrangement one end to slide in the slide rail through the seat that slides, restriction drive arrangement and clamping piece direction of motion guarantee that the valve atress is even, thereby reliably compress tightly.
As an improved specific embodiment, the number of the clamping members 2 and the driving devices 3 is three, the curved bar linkage assembly 5 includes two straight bar type linkage bars 51 and two bending type linkage bars 52, one ends of the two bending type linkage bars 52 are hinged to each other and connected to the sliding seat 13 of one of the driving devices 3, the two straight bar type linkage bars 51 are arranged in a cross manner, one ends of the two bending type linkage bars are hinged to the sliding seats 13 of the other two driving devices 3, the other ends of the two bending type linkage bars 52 are hinged to free ends of the two bending type linkage bars 52, and two limiting members 14 for guiding the straight bar type linkage bars 51 to move along the sliding direction of the sliding grooves 13 are arranged on the lower end surface of the workbench 1.
Through the technical scheme, the straight-bar linkage rod 51 and the bending linkage rod 52 are respectively selected to be combined to form a linkage path, so that the structure is compact, the movement space is sufficient, and linkage is easy.
After being connected with each other, the two bending type linkage rods 52 are connected to the sliding seat 13 of the driving device 3, the other ends of the two bending type linkage rods 52 are connected with the straight-bar type linkage rod 51, when the first sliding seat moves to the center of the workbench 1 along the sliding direction of the sliding groove 11, the free ends of the two bending type linkage rods 52 are continuously far away, and therefore the straight-bar type linkage rod 51 is pulled to drive the rest sliding seats 13 to move to the center of the workbench along the sliding direction of the sliding groove 11;
when the sliding seat 13 connected with the two bending type linkage rods 52 moves away from the center of the workbench 1 along the sliding direction of the sliding groove 11, the free end groups of the two bending type linkage rods 52 are gradually closed, so that the straight bar type linkage rod 51 is pushed to drive the rest sliding seats 13 to move away from the center of the workbench 1 along the sliding direction of the sliding groove 11.
When the clamping piece 2 is connected with one straight-bar linkage rod 51 to move towards the center of the workbench 1 along the sliding direction of the sliding groove 11, the straight-bar linkage rod 51 pushes the bending linkage rod 52 connected with the straight-bar linkage rod, so that the first sliding seat is driven to move towards the center of the workbench 1 along the sliding direction of the sliding groove 11, the other bending linkage rod 52 is driven to move, the bending linkage rod 2 moves further to drive the other straight-bar linkage rod 51 to move, and the synchronous movement of each clamping piece 2 is realized.
As an improved specific implementation manner, waist-shaped connecting grooves 521 are arranged at two ends of the bending type linkage rod 52, connecting holes are arranged at two ends of the straight bar type linkage rod, and the linkage rods are connected through a hinge.
Through above-mentioned technical scheme, all set up the spread groove at type of buckling gangbar both ends, its groove diameter is great, is convenient for align with the pore pair of other gangbars to can interconnect. In addition, a buffer space is reserved, so that the hinged piece can move in the connecting groove in the movement process of the bending type linkage rod, and the force borne by a certain position of the connecting groove is reduced.
As a modified specific implementation mode, the driving device is a hydraulic cylinder, an air cylinder or an oil cylinder.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the utility model. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (6)
1. The utility model provides a hydraulic valve testboard, includes workstation (1), a plurality of clamping piece (2), a plurality of drive arrangement (3), drive arrangement drives clamping piece centre gripping motion from top to bottom, a plurality of clamping piece (2) evenly set up in workstation (1) upper end along the circumferencial direction, drive arrangement (3) set up terminal surface under workstation (1), clamping piece (2) and drive arrangement (3) are through connecting rod (4) interconnect, its characterized in that: the novel clamping device is characterized in that a plurality of sliding grooves (11) which are distributed in a scattering manner from the center are formed in the workbench (1), the connecting rods (4) are arranged in the sliding grooves (11) in a sliding manner, parallel sliding rails are arranged at positions, corresponding to the sliding grooves, of the lower end face of the workbench, the driving devices are connected with the sliding rails in a sliding manner, the novel clamping device further comprises a curved bar linkage assembly (5), the curved bar linkage assembly (5) is connected with the driving devices (3), and the curved bar linkage assembly (5) drives the other clamping devices (2) to move synchronously when one of the clamping devices (2) moves.
2. The hydraulic valve test stand of claim 1, wherein: and sliding rails (12) are arranged on the two sides of the lower end surface of the workbench (1) along the sliding direction of the sliding groove (11).
3. A hydraulic valve test bench according to claim 2, wherein: the driving device (3) is provided with a sliding seat (13), and the sliding seat (13) is matched with the sliding rail (12) to slide.
4. A hydraulic valve test bench according to claim 3 wherein: the clamping piece (2) and the driving device (3) are three in number, the curved bar linkage assembly (5) comprises two straight bar type linkage bars (51) and two bending type linkage bars (52), one ends of the two bending type linkage bars (52) are hinged to each other and connected to a sliding seat (13) of one driving device (3), the two straight bar type linkage bars (51) are arranged in a crossed mode, one ends of the two bending type linkage bars are hinged to the sliding seats (13) of the other two driving devices (3), the other ends of the two bending type linkage bars (52) are hinged to free ends of the two bending type linkage bars, and two limiting parts (14) used for guiding the straight bar type linkage bars (51) to move along the sliding direction of the sliding groove (11) are arranged on the lower end face of the workbench (1).
5. The hydraulic valve test stand of claim 4, wherein: waist-shaped connecting grooves (521) are arranged at two ends of the bending type linkage rod (52).
6. The hydraulic valve test stand of claim 1, wherein: the driving device (3) is a hydraulic cylinder, an air cylinder or an oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120861812.0U CN215985170U (en) | 2021-04-25 | 2021-04-25 | Hydraulic valve test board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120861812.0U CN215985170U (en) | 2021-04-25 | 2021-04-25 | Hydraulic valve test board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215985170U true CN215985170U (en) | 2022-03-08 |
Family
ID=80574091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120861812.0U Expired - Fee Related CN215985170U (en) | 2021-04-25 | 2021-04-25 | Hydraulic valve test board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215985170U (en) |
-
2021
- 2021-04-25 CN CN202120861812.0U patent/CN215985170U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |