Movable stand column lifting test tool

Abstract

The utility model discloses a movable column elevating test tool used for testing an elevating column, the elevating column comprises an inner column and an outer column which are movably connected with each other, the test tool comprises an inner fixing structure, the inner fixing structure is in support cooperation with the surface of the inner column; the outer fixing structure is matched with the surface of the outer column in a supporting manner; and the driving structure is in transmission connection with the inner column or the outer column, so that the inner column and the outer column slide relative to each other. According to the utility model, a single lifting test can be carried out, and the problem of poor batch of stand columns after finished product assembly is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting column detection, in particular to a movable column lifting test tool. Background Art

[0002] The existing column lifting test method requires the columns to be assembled on the finished soundproof cabin before the lifting test can be carried out. The lifting test is then carried out after the finished product is assembled. If one or more columns are defective and cannot be lifted, the entire finished product needs to be disassembled and the columns removed before they can be repaired or replaced, resulting in a serious waste of manpower and material resources and low efficiency. Utility Model Content

[0003] In view of the above problems existing in the existing column test, the present invention aims to provide a movable column lifting test tool.

[0004] The specific technical solutions are as follows:

[0005] A movable column lifting test fixture is used to test a lifting column, wherein the lifting column includes an inner column and an outer column movably connected to each other, and the test fixture includes:

[0006] an internal fixing structure, the internal fixing structure being supported and matched with the surface of the inner column;

[0007] an external fixing structure, the external fixing structure being supported and matched with the surface of the outer column;

[0008] A driving structure is connected to the inner column or the outer column in a transmission manner so that the inner column and the outer column slide relative to each other.

[0009] The above-mentioned movable column lifting test fixture, wherein the driving structure includes: a driving member and a transmission mechanism, the transmission mechanism is fixedly connected to the inner column or the outer column, and the driving member is transmission-connected to the transmission mechanism to make the inner column or the outer column rise and fall, thereby achieving sliding fit between the two.

[0010] The above-mentioned movable column lifting test fixture, wherein the external fixing structure includes an external fixing frame, and the external fixing frame is supported and matched with at least three points on the surface of the outer column;

[0011] The three supporting points on the surface of the outer column are located on the same first plane.

[0012] The above-mentioned movable column lifting test fixture, wherein the internal fixing structure includes an internal fixing frame, and the internal fixing frame is supported and matched with at least three points on the surface of the inner column;

[0013] The three supporting points of the inner column surface are located on the same second plane.

[0014] In the above-mentioned movable column lifting test fixture, the driving component is a motor.

[0015] The above-mentioned movable column lifting test fixture, wherein the transmission mechanism includes: a screw assembly, the screw assembly is installed on the inner column or the outer column, and the driving member is transmission-connected to the screw assembly.

[0016] The above-mentioned movable column lifting test fixture, wherein the transmission mechanism also includes: a transmission rod, the driving member is transmission-connected to one end of the transmission rod through a gear box, and the other end of the transmission rod is transmission-connected to the screw assembly through the gear box.

[0017] In the above-mentioned movable column lifting test fixture, the central axis of the transmission rod is perpendicular to the driving direction of the screw assembly.

[0018] The above-mentioned movable column lifting test fixture further includes: a base plate, and the inner fixing structure, the outer fixing structure, and the driving structure are all arranged on the base plate.

[0019] The above-mentioned movable column lifting test tooling, wherein the bottom of the base plate is provided with a plurality of movable casters.

[0020] Compared with the prior art, the above technical solution has the following positive effects:

[0021] After the columns are assembled, the utility model can be individually lifted and lowered for testing, avoiding the problem of batch defects in the columns after the finished products are assembled. The utility model is also convenient to move and can be moved to the column assembly line, avoiding the problem of the columns being moved to a distant fixed test point after assembly. This greatly saves the time of operators in the turnover of the columns for testing and improves the testing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a movable column lifting test tooling of the utility model;

[0023] Figure 2 This is a longitudinal sectional view of the overall structure of a movable column lifting test fixture of the utility model;

[0024] Figure 3 This utility model is a movable column lifting test tool Figure 2 Enlarged view of point A in the middle;

[0025] Figure 4 This utility model is a movable column lifting test tool Figure 2 Enlarged view of point B in the middle;

[0026] Figure 5This is a transverse cross-sectional view of the overall structure of a movable column lifting test fixture of the utility model;

[0027] Figure 6 This utility model is a movable column lifting test tool Figure 5 Enlarged view of point C in the middle;

[0028] In the accompanying drawings: 1. Internal fixing structure; 2. External fixing structure; 3. Driving structure; 4. Lifting column; 5. Base plate; 6. Moving caster; 11. Internal fixing frame; 12. Internal support column; 21. External fixing frame; 22. External support column; 31. Driving member; 32. Transmission mechanism; 33. Screw assembly; 34. Transmission rod; 35. Gear box; 41. Inner column; 42. Outer column; 71. Sleeve; 72. Slider; 73. Screw; 74. Mounting block. DETAILED DESCRIPTION

[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0030] like Figures 1 to 6 As shown, a preferred embodiment of a movable column lifting test fixture is shown, which is used to test the lifting column. The lifting column 4 includes an inner column 41 and an outer column 42 that are movably connected to each other. The test fixture includes: an inner fixing structure 1, an outer fixing structure 2 and a driving structure 3. The inner fixing structure 2 is supported and matched with the surface of the inner column 41, and the outer fixing structure 2 is supported and matched with the surface of the outer column 42. The driving structure 3 is connected to the inner column 41 or the outer column 42 in a transmission manner so that the inner column 41 and the outer column 42 can slide relative to each other.

[0031] Furthermore, as a preferred embodiment, the external fixing structure 2 includes an external fixing frame 21 , and the external fixing frame 21 is supported and matched with at least three points on the surface of the outer column 42 .

[0032] Furthermore, as a preferred embodiment, the three supporting points on the surface of the outer column 42 are located on the same first plane.

[0033] Furthermore, as a preferred embodiment, the internal fixing structure 1 includes an internal fixing frame 11 , and the internal fixing frame 11 is supported and matched with at least three points on the surface of the inner column 41 .

[0034] Furthermore, as a preferred embodiment, the three supporting points on the surface of the inner column 41 are located on the same second plane.

[0035] Furthermore, as a preferred embodiment, the first plane is parallel to the second plane.

[0036] Furthermore, as a preferred embodiment, the inner wall of the outer fixing frame 21 matches the outer wall of the outer column 42 and supports it.

[0037] Furthermore, as a preferred embodiment, the inner wall of the inner fixing frame 11 matches and supports the outer wall of the inner column 41 .

[0038] Furthermore, as a preferred embodiment, the movable column lifting test fixture further includes: a base plate 5 , on which the inner fixing structure 1 , the outer fixing structure 2 , and the driving structure 3 are all arranged.

[0039] Furthermore, as a preferred embodiment, a plurality of movable casters 6 are provided at the bottom of the base plate 5 .

[0040] Furthermore, as a preferred embodiment, the outer fixed structure 2 further includes an outer support column 22 , and the inner fixed structure 1 further includes an inner support column 12 . Both the outer support column 22 and the inner support column 12 are mounted on the base plate 5 .

[0041] The above are only preferred embodiments of the present invention, and are not intended to limit the implementation and protection scope of the present invention.

[0042] The present invention also has the following implementation methods based on the above:

[0043] In further embodiments of the present invention, please continue to refer to Figures 1 to 6 As shown, the driving structure 3 includes: a driving member 31 and a transmission mechanism 32. The transmission mechanism 32 is fixedly connected to the inner column 41 or the outer column 42. The driving member 31 is in transmission connection with the transmission mechanism 32 to make the inner column 41 or the outer column 42 rise and fall, thereby realizing sliding fit between the two.

[0044] In a further embodiment of the present invention, the driving member 31 is a motor.

[0045] In a further embodiment of the present invention, the transmission mechanism 32 includes a screw assembly 33 , the screw assembly 33 is mounted on the inner column 41 or the outer column 42 , and the driving member 31 is transmission-connected to the screw assembly 33 .

[0046] In a further embodiment of the present invention, the transmission mechanism 32 further includes: a transmission rod 34 , the driving member 31 is transmission-connected to one end of the transmission rod 34 through a gear box 35 , and the other end of the transmission rod 34 is transmission-connected to the screw assembly 33 through the gear box 35 .

[0047] In a further embodiment of the present invention, the central axis of the transmission rod 34 is perpendicular to the driving direction of the screw assembly 33 .

[0048] After the assembly of the columns of the utility model is completed, they can be individually lifted and lowered for testing, avoiding the problem of batch defects in the columns after the finished products are assembled. The utility model is also conveniently movable and can be moved to the column assembly line, avoiding the problem of the columns being moved to a distant fixed test point after assembly, which greatly saves the time of operators in the turnover of the columns for testing.

[0049] The screw assembly 33 includes: a sleeve 71, a slider 72 and a screw 73. The slider 72 is installed in the sleeve 71. The screw 73 is threadedly connected to the slider 72. The driving member 31 is connected to one end of the transmission rod 34 through the gear box 35. The other end of the transmission rod 34 is connected to the screw 73 through the gear box 35. The screw 72 rotates, causing the slider 72 and the sleeve 71 to move together.

[0050] In another embodiment, the driving member 31 may also directly drive the screw rod 72 to rotate, so that the slider 72 and the sleeve 71 move together.

[0051] First embodiment:

[0052] The driving structure 3 is in transmission connection with the inner column 41;

[0053] Furthermore, the transmission mechanism 32 is in internal transmission connection with the inner column 41;

[0054] Furthermore, the screw assembly 33 is located inside the inner column.

[0055] Furthermore, the sleeve 71 is detachably connected to the inner column 41 by means of threads, snaps or plugs.

[0056] Second embodiment:

[0057] The driving structure 3 is in driving connection with the outer column 42;

[0058] Furthermore, the transmission mechanism 32 is located inside the inner column 41 and is in transmission connection with the end of the outer column 43;

[0059] Furthermore, the screw assembly 33 is located inside the inner column 41 and is transmission-connected to the end of the outer column 42 .

[0060] Furthermore, the sleeve 71 and the end of the outer column 42 can be detachably connected, and can be connected by threads, snaps or plugs.

[0061] Furthermore, a mounting block 74 is provided in the end portion of the outer column 42 , and the upper end of the sleeve 71 is threadedly fixed to the mounting block 74 .

[0062] The above description is only a preferred embodiment of the present invention and does not limit the implementation method and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A movable column lifting test tool, characterized in that: Used to test a lifting column, the lifting column includes an inner column and an outer column movably connected to each other, and the testing tool includes: an internal fixing structure, the internal fixing structure being supported and matched with the surface of the inner column; an external fixing structure, the external fixing structure being supported and matched with the surface of the outer column; A driving structure is connected to the inner column or the outer column in a transmission manner so that the inner column and the outer column slide relative to each other.

2. The movable column lifting test fixture according to claim 1, characterized in that: The driving structure includes: a driving member and a transmission mechanism, the transmission mechanism is fixedly connected to the inner column or the outer column, and the driving member is in transmission connection with the transmission mechanism to make the inner column or the outer column rise and fall, thereby achieving sliding fit between the two.

3. The movable column lifting test fixture according to claim 1, characterized in that: The external fixing structure includes an external fixing frame, and the external fixing frame is supported and matched with at least three points on the surface of the outer column; The three supporting points on the surface of the outer column are located on the same first plane.

4. The movable column lifting test fixture according to claim 3, characterized in that: The internal fixing structure includes an internal fixing frame, and the internal fixing frame is supported and matched with at least three points on the surface of the inner column; The three supporting points of the inner column surface are located on the same second plane.

5. The movable column lifting test fixture according to claim 2, characterized in that: The driving component is a motor.

6. The movable column lifting test fixture according to claim 2, characterized in that: The transmission mechanism includes a screw assembly, the screw assembly is installed on the inner column or the outer column, and the driving member is in transmission connection with the screw assembly.

7. The movable column lifting test fixture according to claim 6, characterized in that: The transmission mechanism further includes a transmission rod, the driving member is transmission-connected to one end of the transmission rod through a gear box, and the other end of the transmission rod is transmission-connected to the screw assembly through the gear box.

8. The movable column lifting test fixture according to claim 7, characterized in that: The central axis of the transmission rod is perpendicular to the driving direction of the screw assembly.

9. The movable column lifting test fixture according to claim 1, characterized in that: Also includes: A base plate, on which the inner fixing structure, the outer fixing structure and the driving structure are all arranged.

10. The movable column lifting test fixture according to claim 9, characterized in that: A plurality of movable casters are provided at the bottom of the base plate.

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