Test bench of multi-way valve operating device

Abstract

The utility model relates to a test bench of a multi-way valve operating device, and belongs to the field of tractor test appliances. Comprising a base, a plurality of adjusting rods, a plurality of rotating shaft brackets, a middle bracket, an upper bracket and an electric cylinder mounting bracket, the multiple adjusting rods penetrate through the top end of the base in a vertically adjustable mode, the multiple rotating shaft supports are rotatably installed at the top ends of the multiple adjusting rods respectively, the bottom end of the middle support is rotatably connected with the top ends of the multiple rotating shaft supports, the upper support is rotatably installed at the top end of the middle support, and the lower support is rotatably installed at the top end of the lower support. The electric cylinder mounting bracket is rotatably mounted at the top end of the upper bracket, and the multi-way valve operating device is mounted at the top end of the upper bracket. The multi-way valve operating device testing device is beneficial to simulation of tests of multi-way valve operating devices of various different specifications in the whole machine assembly position, so that the tests of the multi-way valve operating devices are closer to the actual use condition.

Description

Technical Field

[0001] The utility model relates to the field of tractor testing instruments, in particular to a test bench for a multi-way valve operating device. Background Art

[0002] The multi-way valve control device is a component used to control the multi-way valve's movements in tractors. It generally consists of a control handle, a pressed-fit rocker arm, a welded mounting base, and a cable. The installation angle of the multi-way valve control device varies depending on the tractor model. During testing of the multi-way valve control device, it is necessary to simulate the installation angle of the multi-way valve control device on the complete tractor to more closely resemble actual use. However, current test benches for multi-way valve control devices are unable to simulate the installation of the multi-way valve control device in the complete tractor assembly position. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a test bench for a multi-way valve operating device to solve the above problems.

[0004] The technical solution of the utility model for solving the above-mentioned technical problems is as follows: A test bench for a multi-way valve operating device, comprising: a base, multiple adjusting rods, multiple rotating shaft brackets, a middle bracket, an upper bracket and an electric cylinder mounting bracket; the multiple adjusting rods can be adjusted up and down through the top of the base, the multiple rotating shaft brackets are respectively and rotatably installed on the top of the multiple adjusting rods, the bottom end of the middle bracket is rotatably connected to the top of the multiple rotating shaft brackets, the upper bracket is rotatably installed on the top of the middle bracket, the electric cylinder mounting bracket is rotatably installed on the top of the upper bracket, and the multi-way valve operating device is installed on the top of the upper bracket.

[0005] The beneficial effects of the present invention are as follows: by allowing the adjusting rod to pass through the top of the base in an adjustable manner up and down, the rotating shaft bracket to be rotatably installed on the top of the adjusting rod, the middle bracket to be rotatably connected to the rotating shaft bracket, the upper bracket to be rotatably installed on the top of the middle bracket, and the electric cylinder mounting bracket to be rotatably installed on the top of the upper bracket, it is beneficial to adjust the rotation angles between the various components and fix them when the multi-way valve operating device is installed on the top of the upper bracket, thereby simulating the test of multi-way valve operating devices of various specifications in the assembly position of the whole machine, so that the test of the multi-way valve operating device is closer to actual use.

[0006] On the basis of the above technical solution, the present invention can also be improved as follows.

[0007] Furthermore, the base includes a plurality of support rods and a top plate; the top plate is welded to the top of a frame structure formed by welding the plurality of support rods.

[0008] The beneficial effect of adopting the above further solution is that a plurality of support rods are welded to form a frame structure, which is conducive to providing space for a plurality of adjustment rods when performing height adjustment, and at the same time supports the entire test bench.

[0009] Furthermore, the adjusting rod includes: a threaded rod, a first rotating shaft mounting plate and a plurality of locking nuts; the threaded rod passes through the top plate, the first rotating shaft mounting plate is a U-shaped plate structure welded to the top end of the threaded rod, and the plurality of locking nuts are respectively arranged at the top and bottom ends of the top plate and are threadedly connected to the threaded rod.

[0010] The beneficial effect of adopting the above further solution is that the threaded rod passing through the top plate is conducive to adjusting the height of the upper bracket above the threaded rod and the multi-way valve operating device installed thereon, and the locking nut is conducive to locking and fixing the threaded rod after the height is adjusted.

[0011] Furthermore, the rotating shaft bracket includes two rotating shaft tubes and a connecting tube; the two rotating shaft tubes are circular tube structures respectively arranged at both ends of the connecting tube, and the rotating shaft tubes are welded to the ends of the connecting tube.

[0012] The beneficial effect of adopting the above further solution is that the two rotating shaft tubes are conducive to connecting the adjustment rod and the middle bracket at the same time, thereby causing relative rotation between the middle bracket and the adjustment rod, thereby adjusting the tilt angle of the multi-way valve operating device in space.

[0013] Furthermore, the shaft tube at the bottom end of the shaft bracket is rotatably arranged in the middle of the first shaft mounting plate through bolts.

[0014] The beneficial effect of adopting the above further solution is that the bolt cooperates with the existing nut to facilitate locking and fixing the adjustment rod after the rotation angle is adjusted to the bottom end of the shaft bracket.

[0015] Furthermore, the middle bracket includes: a middle mounting plate, two first fixed mounting brackets, two first sliding mounting brackets and multiple second rotating shaft mounting plates; the first fixed mounting bracket and the first sliding mounting bracket are respectively arranged on both sides of the top end of the middle mounting plate, and the second rotating shaft mounting plate is an inverted U-shaped plate structure arranged at the bottom end of the middle mounting plate. Multiple second rotating shaft mounting plates are rotatably connected to the rotating shaft tubes at the top ends of multiple rotating shaft brackets by bolts, and the upper bracket is rotatably connected to the first fixed mounting bracket and the first sliding mounting bracket, and the electric cylinder mounting bracket is rotatably mounted on the upper bracket.

[0016] The beneficial effect of adopting the above further solution is that the second shaft mounting plate and the shaft tube at the top of the shaft bracket cooperate with the bolts and the existing nuts to facilitate fixing the middle bracket after adjusting the rotation angle to the top of the shaft bracket.

[0017] Furthermore, the first fixed mounting frame is a right-angled plate structure, the first sliding mounting frame is an L-shaped plate structure, and a sliding adjustment hole is provided on a vertical side of the first sliding mounting frame, and the sliding adjustment hole is an arc-shaped through hole.

[0018] The beneficial effect of adopting the above further solution is that the sliding adjustment hole is an arc-shaped through hole, which is conducive to the upper bracket sliding in the sliding adjustment hole, thereby adjusting the inclination angle of the upper bracket and the multi-way valve operating device installed thereon in another direction in space.

[0019] Furthermore, the upper bracket includes: an upper mounting plate, two second sliding mounting brackets and two second fixed mounting brackets; the second sliding mounting bracket is a plate-like structure arranged on one side of the top end of the upper mounting plate, and the two second sliding mounting brackets are slidably connected to the sliding adjustment holes on the two first sliding mounting brackets by bolts, and the second fixed mounting bracket is a plate-like structure arranged on the other side of the bottom end of the upper mounting plate, and the two second fixed mounting brackets are rotatably connected to the vertical edges of the two first fixed mounting brackets by bolts.

[0020] The beneficial effect of adopting the above further scheme is that the second sliding mounting bracket and the sliding adjustment hole cooperate with the bolts and the existing nuts to facilitate fixing one end of the upper bracket after the tilt angle is adjusted, and the second fixed mounting bracket and the first fixed mounting bracket cooperate with the bolts and the existing nuts to facilitate fixing the other end of the upper bracket after the tilt angle is adjusted.

[0021] Furthermore, the upper mounting plate is provided with a plurality of upper bracket adjustment holes and a plurality of multi-way valve operating mounting holes, the upper bracket adjustment holes are arc-shaped through holes, the electric cylinder mounting bracket is rotatably connected to the upper bracket adjustment holes, and the multi-way valve operating device is installed on the upper mounting plate through the multi-way valve operating mounting holes.

[0022] The beneficial effects of adopting the above-mentioned further scheme are: multiple upper bracket adjustment holes combined with the electric cylinder mounting bracket are conducive to installing the external electric cylinder on the upper bracket, thereby cooperating with the test of the multi-way valve operating device; the multi-way valve operating mounting holes are conducive to fixing multiple-way valve operating devices of various specifications on the upper mounting plate, thereby adapting to the test of multiple-way valve operating devices of various specifications.

[0023] Furthermore, the electric cylinder mounting bracket is a "J"-shaped plate structure, and multiple electric cylinder mounting bracket adjustment holes are provided on the bottom edges on both sides of the electric cylinder mounting bracket. The electric cylinder mounting bracket adjustment holes are waist-shaped through holes, and bolts pass through the electric cylinder mounting bracket adjustment holes and the upper bracket adjustment holes, so that the electric cylinder mounting bracket can be rotatably mounted on the upper mounting plate.

[0024] The beneficial effect of adopting the above further solution is that the electric cylinder mounting bracket adjustment hole and the upper bracket adjustment hole cooperate with the bolts and existing nuts to facilitate fixing the electric cylinder mounting bracket after adjusting the rotation angle to the upper mounting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 An axonometric diagram of the overall structure provided for an embodiment of the utility model;

[0026] Figure 2 A schematic structural diagram of an adjustment rod provided in an embodiment of the present utility model;

[0027] Figure 3 A schematic structural diagram of the rotating shaft bracket provided in an embodiment of the present utility model;

[0028] Figure 4 A schematic structural diagram of the middle bracket provided in an embodiment of the present utility model;

[0029] Figure 5 A schematic structural diagram of an upper bracket provided in an embodiment of the present utility model;

[0030] Figure 6 This is a top view of the overall structure provided by an embodiment of the utility model.

[0031] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0032] 1. Base; 2. Adjusting rod; 3. Rotating shaft bracket; 4. Middle bracket; 5. Upper bracket; 6. Electric cylinder mounting bracket; 11. Support rod; 12. Top plate; 21. Threaded rod; 22. First rotating shaft mounting plate; 23. Locking nut; 31. Rotating shaft tube; 32. Connecting tube; 41. Middle mounting plate; 42. First fixed mounting bracket; 43. First sliding mounting bracket; 44. Second rotating shaft mounting plate; 51. Upper mounting plate; 52. Second sliding mounting bracket; 53. Second fixed mounting bracket; 61. Adjustment hole of electric cylinder mounting bracket; 431. Sliding adjustment hole; 511. Adjustment hole of upper bracket; 512. Multi-way valve operation mounting hole. DETAILED DESCRIPTION

[0033] The principles and features of the present invention are described below. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0034] like Figure 1As shown, a test bench for a multi-way valve operating device includes: a base 1, multiple adjusting rods 2, multiple rotating shaft brackets 3, a middle bracket 4, an upper bracket 5 and an electric cylinder mounting bracket 6; the multiple adjusting rods 2 can pass through the top of the base 1 so as to be adjusted up and down, the multiple rotating shaft brackets 3 are respectively and rotatably mounted on the top of the multiple adjusting rods 2, the bottom end of the middle bracket 4 is rotatably connected to the top of the multiple rotating shaft brackets 3, the upper bracket 5 is rotatably mounted on the top of the middle bracket 4, the electric cylinder mounting bracket 6 is rotatably mounted on the top of the upper bracket 5, and the multi-way valve operating device is mounted on the top of the upper bracket 5.

[0035] The beneficial effects of the present invention are as follows: by allowing the adjusting rod to pass through the top of the base in an adjustable manner up and down, the rotating shaft bracket to be rotatably installed on the top of the adjusting rod, the middle bracket to be rotatably connected to the rotating shaft bracket, the upper bracket to be rotatably installed on the top of the middle bracket, and the electric cylinder mounting bracket to be rotatably installed on the top of the upper bracket, it is beneficial to adjust the rotation angles between the various components and fix them when the multi-way valve operating device is installed on the top of the upper bracket, thereby simulating the test of multi-way valve operating devices of various specifications in the assembly position of the whole machine, so that the test of the multi-way valve operating device is closer to actual use.

[0036] Preferably, Figure 1 As shown, the base 1 includes a plurality of support rods 11 and a top plate 12 ; the top plate 12 is welded to the top of a frame structure formed by welding the plurality of support rods 11 .

[0037] The beneficial effect of adopting the above preferred solution is that a plurality of support rods are welded to form a frame structure, which is conducive to providing space for a plurality of adjustment rods when performing height adjustment, and at the same time supports the entire test bench.

[0038] Preferably, Figure 1 and Figure 2 As shown, the adjusting rod 2 includes: a threaded rod 21, a first rotating shaft mounting plate 22 and a plurality of locking nuts 23; the threaded rod 21 passes through the top plate 12, and the first rotating shaft mounting plate 22 is a U-shaped plate structure welded to the top end of the threaded rod 21, and the plurality of locking nuts 23 are respectively arranged at the top and bottom ends of the top plate 12 and are threadedly connected to the threaded rod 21.

[0039] The beneficial effect of adopting the above preferred solution is that the threaded rod passing through the top plate is conducive to adjusting the height of the upper bracket above the threaded rod and the multi-way valve operating device installed thereon, and the locking nut is conducive to locking and fixing the threaded rod after the height is adjusted.

[0040] Preferably, Figure 1 and Figure 3As shown, the shaft bracket 3 includes two shaft tubes 31 and a connecting tube 32 ; the two shaft tubes 31 are circular tube structures respectively arranged at both ends of the connecting tube 32 , and the shaft tubes 31 are welded to the ends of the connecting tube 32 .

[0041] The beneficial effect of adopting the above preferred solution is that the two rotating shaft tubes are conducive to connecting the adjustment rod and the middle bracket at the same time, thereby causing relative rotation between the middle bracket and the adjustment rod, thereby adjusting the tilt angle of the multi-way valve operating device in space.

[0042] Preferably, Figure 1 As shown, the shaft tube 31 at the bottom end of the shaft bracket 3 is rotatably arranged in the middle of the first shaft mounting plate 22 through bolts.

[0043] The beneficial effect of adopting the above preferred solution is that the bolt cooperates with the existing nut to facilitate locking and fixing the adjustment rod after the rotation angle is adjusted to the bottom end of the shaft bracket.

[0044] Preferably, Figure 1 and Figure 4 As shown, the middle bracket 4 includes: a middle mounting plate 41, two first fixed mounting frames 42, two first sliding mounting frames 43 and multiple second rotating shaft mounting plates 44; the first fixed mounting frame 42 and the first sliding mounting frame 43 are respectively arranged on both sides of the top of the middle mounting plate 41, and the second rotating shaft mounting plate 44 is an inverted U-shaped plate structure arranged at the bottom end of the middle mounting plate 41. Multiple second rotating shaft mounting plates 44 are rotatably connected to the rotating shaft tubes 31 at the top ends of multiple rotating shaft brackets 3 by bolts, and the upper bracket 5 is rotatably connected to the first fixed mounting frame 42 and the first sliding mounting frame 43, and the electric cylinder mounting bracket 6 is rotatably mounted on the upper bracket 5.

[0045] It should be noted that: in the preferred embodiment of the present invention, the middle mounting plate 41 is a rectangular plate structure, and the two first fixed mounting frames 42 and the two first sliding mounting frames 43 are respectively arranged at the four corners of the top of the middle mounting plate 41.

[0046] The beneficial effect of adopting the above preferred solution is that the second shaft mounting plate and the shaft tube at the top of the shaft bracket cooperate with the bolts and the existing nuts to facilitate fixing the middle bracket after adjusting the rotation angle to the top of the shaft bracket.

[0047] Preferably, Figure 1 and Figure 4As shown, the first fixed mounting frame 42 is a right-angled plate structure, the first sliding mounting frame 43 is an L-shaped plate structure, and a sliding adjustment hole 431 is provided on the vertical side of the first sliding mounting frame 43, and the sliding adjustment hole 431 is an arc-shaped through hole.

[0048] The beneficial effect of adopting the above preferred solution is that the sliding adjustment hole is an arc-shaped through hole, which is conducive to the upper bracket sliding in the sliding adjustment hole, thereby adjusting the inclination angle of the upper bracket and the multi-way valve operating device installed thereon in another direction in space.

[0049] Preferably, Figure 1 and Figure 5 As shown, the upper bracket 5 includes: an upper mounting plate 51, two second sliding mounting frames 52 and two second fixed mounting frames 53; the second sliding mounting frame 52 is a plate-like structure arranged on one side of the top end of the upper mounting plate 51, and the two second sliding mounting frames 52 are slidably connected to the sliding adjustment holes 431 on the two first sliding mounting frames 43 by bolts, and the second fixed mounting frame 53 is a plate-like structure arranged on the other side of the bottom end of the upper mounting plate 51, and the two second fixed mounting frames 53 are rotatably connected to the vertical edges of the two first fixed mounting frames 42 by bolts.

[0050] The beneficial effect of adopting the above-mentioned preferred scheme is that the second sliding mounting bracket and the sliding adjustment hole cooperate with the bolts and the existing nuts to facilitate fixing one end of the upper bracket after the tilt angle is adjusted, and the second fixed mounting bracket and the first fixed mounting bracket cooperate with the bolts and the existing nuts to facilitate fixing the other end of the upper bracket after the tilt angle is adjusted.

[0051] Preferably, Figure 1 and Figure 5 As shown, the upper mounting plate 51 is provided with a plurality of upper bracket adjustment holes 511 and a plurality of multi-way valve operating mounting holes 512. The upper bracket adjustment holes 511 are arc-shaped through holes. The electric cylinder mounting bracket 6 is rotatably connected to the upper bracket adjustment holes 511. The multi-way valve operating device is installed on the upper mounting plate 51 through the multi-way valve operating mounting holes 512.

[0052] The beneficial effects of adopting the above-mentioned preferred scheme are: multiple upper bracket adjustment holes combined with the electric cylinder mounting bracket are conducive to installing the external electric cylinder on the upper bracket, thereby cooperating with the test of the multi-way valve operating device; the multi-way valve operating mounting holes are conducive to fixing multiple valve operating devices of various specifications on the upper mounting plate, thereby adapting to the test of multiple valve operating devices of various specifications.

[0053] Preferably, Figure 1 and Figure 6As shown, the electric cylinder mounting bracket 6 is a "J"-shaped plate structure, and a plurality of electric cylinder mounting bracket adjustment holes 61 are provided on the bottom edges of both sides of the electric cylinder mounting bracket 6. The electric cylinder mounting bracket adjustment holes 61 are waist-shaped through holes. Bolts pass through the electric cylinder mounting bracket adjustment holes 61 and the upper bracket adjustment holes 511, so that the electric cylinder mounting bracket 6 can be rotatably mounted on the upper mounting plate 51.

[0054] The beneficial effect of adopting the above preferred solution is that the electric cylinder mounting bracket adjustment hole and the upper bracket adjustment hole cooperate with the bolts and existing nuts to facilitate fixing the electric cylinder mounting bracket after adjusting the rotation angle to the upper mounting plate.

[0055] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0056] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0057] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0058] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0059] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0060] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A test bench for a multi-way valve operating device, characterized in that: include: A base (1), a plurality of adjustment rods (2), a plurality of rotating shaft brackets (3), a middle bracket (4), an upper bracket (5) and an electric cylinder mounting bracket (6); the plurality of adjustment rods (2) can be adjusted up and down through the top of the base (1); the plurality of rotating shaft brackets (3) are respectively and rotatably mounted on the tops of the plurality of adjustment rods (2); the bottom end of the middle bracket (4) is rotatably connected to the tops of the plurality of rotating shaft brackets (3); the upper bracket (5) is rotatably mounted on the top of the middle bracket (4); the electric cylinder mounting bracket (6) is rotatably mounted on the top of the upper bracket (5); and a multi-way valve operating device is mounted on the top of the upper bracket (5).

2. A test bench for a multi-way valve operating device according to claim 1, characterized in that: The base (1) comprises a plurality of support rods (11) and a top plate (12); the top plate (12) is welded to the top of a frame structure formed by welding the plurality of support rods (11).

3. The test bench for a multi-way valve operating device according to claim 2, characterized in that: The adjusting rod (2) comprises: a threaded rod (21), a first rotating shaft mounting plate (22) and a plurality of locking nuts (23); the threaded rod (21) passes through the top plate (12); the first rotating shaft mounting plate (22) is a U-shaped plate structure welded to the top end of the threaded rod (21); the plurality of locking nuts (23) are respectively arranged at the top end and the bottom end of the top plate (12) and are threadedly connected to the threaded rod (21).

4. A test bench for a multi-way valve operating device according to claim 3, characterized in that: The rotating shaft bracket (3) comprises two rotating shaft tubes (31) and a connecting tube (32); the two rotating shaft tubes (31) are circular tube structures respectively arranged at both ends of the connecting tube (32), and the rotating shaft tube (31) is welded to the end of the connecting tube (32).

5. A test bench for a multi-way valve operating device according to claim 4, characterized in that: The rotating shaft tube (31) at the bottom end of the rotating shaft bracket (3) is rotatably arranged in the middle of the first rotating shaft mounting plate (22) via bolts.

6. A test bench for a multi-way valve operating device according to claim 4, characterized in that: The middle bracket (4) includes: a middle mounting plate (41), two first fixed mounting frames (42), two first sliding mounting frames (43) and a plurality of second rotating shaft mounting plates (44); the first fixed mounting frame (42) and the first sliding mounting frame (43) are respectively arranged on both sides of the top end of the middle mounting plate (41); the second rotating shaft mounting plate (44) is an inverted U-shaped plate structure arranged at the bottom end of the middle mounting plate (41); the plurality of second rotating shaft mounting plates (44) are rotatably connected to the rotating shaft tubes (31) at the top ends of the plurality of rotating shaft brackets (3) by bolts; the upper bracket (5) is rotatably connected to the first fixed mounting frame (42) and the first sliding mounting frame (43); and the electric cylinder mounting bracket (6) is rotatably mounted on the upper bracket (5).

7. A test bench for a multi-way valve operating device according to claim 6, characterized in that: The first fixed mounting frame (42) is a right-angled plate-shaped structure, the first sliding mounting frame (43) is an L-shaped plate-shaped structure, and a sliding adjustment hole (431) is provided on a vertical side of the first sliding mounting frame (43), and the sliding adjustment hole (431) is an arc-shaped through hole.

8. A test bench for a multi-way valve operating device according to claim 7, characterized in that: The upper bracket (5) comprises: an upper mounting plate (51), two second sliding mounting frames (52) and two second fixed mounting frames (53); the second sliding mounting frame (52) is a plate-like structure arranged on one side of the top end of the upper mounting plate (51), and the two second sliding mounting frames (52) are slidably connected to the sliding adjustment holes (431) on the two first sliding mounting frames (43) through bolts, and the second fixed mounting frame (53) is a plate-like structure arranged on the other side of the bottom end of the upper mounting plate (51), and the two second fixed mounting frames (53) are rotatably connected to the vertical edges of the two first fixed mounting frames (42) through bolts.

9. A test bench for a multi-way valve operating device according to claim 8, characterized in that: The upper mounting plate (51) is provided with a plurality of upper bracket adjustment holes (511) and a plurality of multi-way valve operating mounting holes (512); the upper bracket adjustment holes (511) are arc-shaped through holes; the electric cylinder mounting bracket (6) is rotatably connected to the upper bracket adjustment holes (511); and the multi-way valve operating device is mounted on the upper mounting plate (51) through the multi-way valve operating mounting holes (512).

10. A test bench for a multi-way valve operating device according to claim 9, characterized in that: The electric cylinder mounting bracket (6) is a "J"-shaped plate structure. A plurality of electric cylinder mounting bracket adjustment holes (61) are provided on both bottom sides of the electric cylinder mounting bracket (6). The electric cylinder mounting bracket adjustment holes (61) are waist-shaped through holes. Bolts pass through the electric cylinder mounting bracket adjustment holes (61) and the upper bracket adjustment holes (511), so that the electric cylinder mounting bracket (6) can be rotatably mounted on the upper mounting plate (51).

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