Maintenance lifting platform

Abstract

The utility model discloses a maintenance lifting platform which comprises a lifting body, a base and a maintenance frame, the lifting body comprises a height-adjustable workbench, the base is connected with the workbench, a limiting groove used for limiting a part to be maintained is formed in the base, the maintenance frame is connected with the workbench, the maintenance frame comprises a clamp used for clamping the part to be maintained, and the clamp is used for clamping the part to be maintained. The clamp is located on the upper side of the base. The maintenance lifting platform has the advantages that the height of the to-be-maintained part can be adjusted, and the fixing reliability of the to-be-maintained part on the workbench is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to two -wheeled vehicle maintenance equipment technical field, concretely relates to a maintenance lifting platform. BACKGROUND

[0002] The electric bicycle maintenance platform in the prior art mainly has two categories, one is a vertical maintenance frame with a chuck, the maintenance height of this kind of tool sometimes needs manual assistance, consumes the physical strength of maintenance staff, and due to its structural characteristics, it cannot clamp a vehicle that is too bulky. The other is a traditional scissor lifting platform, although it solves the maintenance problem of some heavy vehicles with chassis, it cannot fix an electric bicycle without a chassis, and the maintenance tools used in the maintenance process are difficult to obtain quickly, which cannot improve the maintenance efficiency. SUMMARY

[0003] The utility model aims at at least in a certain extent solves one of the technical problems in the prior art.

[0004] Therefore, the embodiment of the utility model provides a maintenance lifting platform, the maintenance lifting platform has the advantages that the height of the to-be-maintained piece is adjustable, and the fixing reliability of the to-be-maintained piece on the workbench is high.

[0005] The maintenance lifting platform of the utility model embodiment comprises a lifting main body, a base and a maintenance frame, the lifting main body comprises a height-adjustable workbench;The base is connected with the workbench, and a limiting groove for limiting the to-be-maintained piece is arranged on the base;The maintenance frame is connected with the workbench, and the maintenance frame comprises a clamp for clamping the to-be-maintained piece, and the clamp is located on the upper side of the base.

[0006] According to the maintenance lifting platform of the utility model embodiment, the maintenance frame and the base are installed on the workbench of the lifting main body, so that the height of the maintenance frame and the base is adjustable, and then the height of the to-be-maintained piece clamped and fixed by the clamp of the maintenance frame is adjustable, the maintenance convenience of the to-be-maintained piece is improved. Moreover, the base limits the to-be-maintained piece through the limiting groove, so that the fixing reliability of the to-be-maintained piece that is heavy and / or has no chassis on the workbench is high, and the safety of the maintenance staff when maintaining the to-be-maintained piece is higher.

[0007] In some embodiments, the lifting main body comprises a base, a scissor support, a driving device and an organ case, the scissor support is arranged between the base and the workbench;The driving device is installed on the base, the driving device is connected with the scissor support in transmission to facilitate lifting the workbench;Two ends of the organ case are connected with the base and the workbench respectively, and the scissor support is located in the organ case.

[0008] In some embodiments, the maintenance elevating platform further comprises a ramp connected to the base and arranged in a first direction, an upper surface of the ramp gradually decreases in height in a direction away from the base, and an upper surface of the worktable at a lowest position is equal to or lower than a maximum height of the upper surface of the ramp.

[0009] In some embodiments, the maintenance rack further comprises a column, an adapter, a first fastener and a second fastener, the column extends in an up-down direction, a lower end of the column is connected to the worktable, the adapter is pivotably connected to the column about a first axis extending in the up-down direction, the clamp is pivotably connected to the adapter about a second axis perpendicular to the first axis, the first fastener is used to fasten the column and the adapter, and the second fastener is used to fasten the adapter and the clamp.

[0010] In some embodiments, the maintenance rack further comprises a tool box connected to the column, and the tool box is formed with a maintenance tool accommodating cavity.

[0011] In some embodiments, the adapter comprises a first rod portion extending in the up-down direction, the column comprises a first clamping portion and a second clamping portion arranged in a circumferential direction of the column, a first end of the first clamping portion is connected to a first end of the second clamping portion, a second end of the first clamping portion and a second end of the second clamping portion are spaced apart, and the first fastener connects the first clamping portion and the second clamping portion to facilitate clamping the first rod portion between the first clamping portion and the second clamping portion.

[0012] In some embodiments, the adapter further comprises a second rod portion extending in a horizontal direction, the second rod portion comprises a third clamping portion and a fourth clamping portion arranged in a circumferential direction of the second rod portion, a first end of the third clamping portion is connected to a first end of the fourth clamping portion, a second end of the third clamping portion and a second end of the fourth clamping portion are spaced apart, and the second fastener connects the third clamping portion and the fourth clamping portion to facilitate clamping a portion of the clamp between the third clamping portion and the fourth clamping portion.

[0013] In some embodiments, an outer circumferential surface of the portion of the clamp between the third clamping portion and the fourth clamping portion is provided with knurling;

[0014] and / or, a threaded hole is provided on the third clamping portion or the fourth clamping portion, and the maintenance rack further comprises a first threaded member threadedly matched with the threaded hole to facilitate pressing the clamp.

[0015] In some embodiments, the base comprises a first limiting piece, a second limiting piece and a clamping piece, the first limiting piece is connected with the workbench; the second limiting piece is connected with the workbench, the second limiting piece is arranged along a second direction with the first limiting piece; the clamping piece is movably connected with the second limiting piece along the second direction, each of the clamping piece and the second limiting piece forms the limiting groove with the first limiting piece.

[0016] In some embodiments, the base further comprises a second threaded piece, the second limiting piece is provided with a second threaded hole, the clamping piece is provided with a mounting hole, the threaded rod of the second threaded piece passes through the mounting hole and is screwed with the second threaded hole, the clamping piece is slidingly fitted between the head of the second threaded piece and the second limiting piece along the second direction. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic view of a maintenance lifting platform according to an embodiment of the present application.

[0018] Figure 2 is a schematic view of a lifting main body and a gentle slope in a maintenance lifting platform according to an embodiment of the present application.

[0019] Figure 3 is another schematic view of a lifting main body and a gentle slope in a maintenance lifting platform according to an embodiment of the present application, wherein a piano cover is hidden.

[0020] Figure 4 is a schematic view of a base in a maintenance lifting platform according to an embodiment of the present application.

[0021] Figure 5 is a schematic view of a maintenance frame in a maintenance lifting platform according to an embodiment of the present application.

[0022] Figure 6 is an exploded view of a maintenance frame in a maintenance lifting platform according to an embodiment of the present application.

[0023] REFERENCE NUMERALS:

[0024] 1, lifting main body; 11, base; 12, scissor support; 13, workbench; 14, electric push rod; 15, piano cover; 2, base; 21, first limiting piece; 22, second limiting piece; 23, clamping piece; 24, second threaded piece; 3, maintenance frame; 31, stand; 311, first clamping part; 312, second clamping part; 32, adapter; 321, first rod part; 322, second rod part; 3221, third clamping part; 3222, fourth clamping part; 33, clamp; 331, knurl; 34, first fastener; 35, second fastener; 36, first threaded piece; 37, tool box; 4, gentle slope. DETAILED DESCRIPTION

[0025] Embodiments of the present application are described in detail below with reference to the accompanying drawings. The embodiments described below are exemplary and are intended to be illustrative of the present application and are not to be construed as limiting the present application.

[0026] The maintenance lifting platform according to the embodiments of the present application is described below with reference to the accompanying drawings. Figures 1-6 The maintenance lifting platform according to the embodiments of the present application is described below with reference to the accompanying drawings.

[0027] The maintenance lifting platform according to the embodiments of the present application comprises a lifting main body 1, a base 2 and a maintenance rack 3. The lifting main body 1 comprises a height-adjustable workbench 13. The base 2 is connected with the workbench 13, and the base 2 is provided with a limiting groove for limiting the to-be-maintained part. The maintenance rack 3 is connected with the workbench 13, and the maintenance rack 3 comprises a clamp 33 for clamping the to-be-maintained part, and the clamp 33 is located on the upper side of the base 2.

[0028] According to the maintenance lifting platform according to the embodiments of the present application, the maintenance rack 3 and the base 2 are installed on the workbench 13 of the lifting main body 1, so that the height of the maintenance rack 3 and the base 2 is adjustable, and then the height of the to-be-maintained part clamped and fixed by the clamp 33 of the maintenance rack 3 is adjustable, thereby improving the maintenance convenience of the to-be-maintained part. Moreover, the base 2 limits the to-be-maintained part through the limiting groove, so that the fixing reliability of the to-be-maintained part which is heavy and / or has no bottom plate on the workbench 13 is high, and the safety of the maintenance worker when maintaining the to-be-maintained part is higher.

[0029] It should be noted that the to-be-maintained part is a two-wheeled vehicle, which is divided into a vehicle without a bottom plate and a vehicle with a bottom plate. The base 2 is detachably installed on the workbench 13, and the base 2 can be used only to realize reliable limiting of the vehicle without a bottom plate. When the vehicle with a bottom plate is maintained, the base 2 can be removed so that the vehicle with a bottom plate can be directly placed on the workbench 13.

[0030] In some embodiments, as shown in Figure 1 and Figure 2 The lifting main body 1 comprises a base 11, a scissor support 12, a driving device and an organ case 15. The scissor support 12 is arranged between the base 11 and the workbench 13. The driving device is installed on the base 11, and the driving device is in transmission connection with the scissor support 12 so as to lift the workbench 13. The two ends of the organ case 15 are connected with the base 11 and the workbench 13 respectively, and the scissor support 12 is located in the organ case 15.

[0031] The organ case 15 separates the scissor support 12 from the outside, effectively avoiding the entry of external components into the scissor support 12 to affect the lifting reliability thereof. The setting of the driving device realizes the automatic lifting of the scissor support 12, further improving the maintenance convenience of the to-be-maintained part.

[0032] Exemplarily, as shown inFigure 3 As shown, the scissor brace 12 includes a first upper rod, a second upper rod, a first lower rod, and a second lower rod. The first upper rod and the second upper rod are pivotally connected, and the lower end of the first upper rod is pivotally connected to the upper end of the first lower rod. The lower end of the second upper rod is pivotally connected to the upper end of the second lower rod. The upper end of the first upper rod is fixedly connected to the worktable 13, and the upper end of the second upper rod is slidably connected to the worktable 13 along a first direction via a bearing. The first lower rod and the second lower rod are pivotally connected, and the lower end of the first lower rod is fixedly connected to the base 11. The lower end of the second lower rod is slidably connected to the base 11 along a first direction via a bearing. All the aforementioned pivot axes extend along a second direction.

[0033] In addition, there are two sets of first upper rod, first lower rod, second upper rod and second lower rod, which are arranged at intervals along the second direction. A first support rod is connected between the lower ends of the two first upper rods, and a second support rod is connected between the lower ends of the two second upper rods. The driving device is an electric push rod 14, which is rotatably mounted on the base 11. The moving end of the electric push rod 14 is pivotally connected to the first support rod.

[0034] It should be noted that the electric push rod 14 automatically controls its movement stroke through a limit switch to ensure that the lifting body 1 has the set lifting stroke.

[0035] In some embodiments, the maintenance lifting platform further includes a ramp 4, which is connected to the base 11 and arranged along a first direction. The height of the upper surface of the ramp 4 gradually decreases in the direction away from the base 11, and the height of the upper surface of the workbench 13 at the lowest position is less than or equal to the maximum height of the upper surface of the ramp 4.

[0036] The ramp 4 allows the upper surface of the worktable 13 to be adjusted to be lower than or equal to the highest point of the ramp 4, so that the part to be repaired can be pushed onto the worktable 13 and / or pushed off the worktable 13 via the ramp 4. This makes the movement of the part to be repaired convenient and labor-saving, and effectively improves the repair efficiency of the part to be repaired.

[0037] Specifically, such as Figures 1-3 As shown, the base 11 is equipped with fixing plates on both sides opposite to each other along the first direction, and there are two ramps 4 connected to the two fixing plates respectively, so that the two ramps 4 can be symmetrically arranged on both sides opposite to each other along the first direction of the base 11.

[0038] In some embodiments, the maintenance rack 3 comprises a column 31, an adapter 32, a first fastener 34 and a second fastener 35. The column 31 extends along the up-down direction, and the lower end of the column 31 is connected with the workbench 13. The adapter 32 is pivotably connected with the column 31 around a first axis extending along the up-down direction, and the clamp 33 is pivotably connected with the adapter 32 around a second axis perpendicular to the first axis. The first fastener 34 is used to fasten the column 31 and the adapter 32. The second fastener 35 is used to fasten the adapter 32 and the clamp 33.

[0039] Thus, the to-be-maintained member fixed by the clamp 33 can rotate around the vertical axis by 360° and around the horizontal axis by 360°, so that the position of the to-be-maintained member is more flexible, and the maintenance efficiency of the to-be-maintained member is further improved.

[0040] Specifically, as shown in Figure 5 and Figure 6 , the column 31 is a hollow tubular structure, and the lower end of the column 31 is connected with a support, the support is connected with the workbench 13 through a plurality of bolts, and the support is arranged along the second direction with the base 2. In addition, the adapter 32 is rotationally fitted in the cavity of the column 31 around the central axis of the column 31.

[0041] In some embodiments, the maintenance rack 3 further comprises a tool box 37, the tool box 37 is connected with the column 31, and the tool box 37 is formed with a maintenance tool accommodating cavity.

[0042] Thus, during the maintenance of the to-be-maintained member, the staff can quickly obtain the maintenance tool in the tool box 37, and the maintenance efficiency of the to-be-maintained member is further improved.

[0043] As shown in Figure 5 and Figure 6 , the tool box 37 is sleeved on the column 31 in a hoop structure.

[0044] In some embodiments, the adapter 32 comprises a first rod portion 321 extending along the up-down direction, the column 31 comprises a first clamping portion 311 and a second clamping portion 312 arranged along the circumference of the column 31, the first end of the first clamping portion 311 is connected with the first end of the second clamping portion 312, the second end of the first clamping portion 311 and the second end of the second clamping portion 312 are spaced apart, and the first fastener 34 connects the first clamping portion 311 and the second clamping portion 312 so as to clamp the first rod portion 321 between the first clamping portion 311 and the second clamping portion 312.

[0045] That is, by narrowing the gap between the second end of the first clamping portion 311 and the second end of the second clamping portion 312, the clamping and fixing of the first rod portion 321 are achieved, the connection between the adapter 32 and the column 31 is convenient and reliable, and the angle adjustment is convenient.

[0046] Specifically, as shown in Figure 6 the first fastener 34 includes a first screw rod and a first lever rod connected and angled, the outer surface of the first clamping part 311 and the outer surface of the second clamping part 312 are respectively provided with a first connecting block and a second connecting block, the first connecting block is provided with a first mounting hole, the first screw rod passes through the first mounting hole and is screwed with the second connecting block, and the width adjustment of the gap between the second end of the first clamping part 311 and the second end of the second clamping part 312 can be realized by pulling the first lever rod.

[0047] In some embodiments, the adapter 32 further includes a second rod part 322 extending in the horizontal direction, the second rod part 322 includes a third clamping part 3221 and a fourth clamping part 3222 arranged along the circumference of the second rod part 322, the first end of the third clamping part 3221 is connected with the first end of the fourth clamping part 3222, the second end of the third clamping part 3221 and the second end of the fourth clamping part 3222 are spaced apart, and the second fastener 35 connects the third clamping part 3221 and the fourth clamping part 3222 so as to clamp a part of the clamp 33 between the third clamping part 3221 and the fourth clamping part 3222.

[0048] That is, by narrowing the gap between the second end of the third clamping part 3221 and the second end of the fourth clamping part 3222, the clamping and fixing of the clamp 33 located in the inner cavity part of the second rod part 322 is realized, the connection between the clamp 33 and the adapter 32 is convenient and reliable, and the angle adjustment of the clamp 33 is convenient.

[0049] Specifically, as shown in Figure 6 the second fastener 35 includes a second screw rod and a second lever rod connected and angled, the outer surface of the third clamping part 3221 and the outer surface of the fourth clamping part 3222 are respectively provided with a third connecting block and a fourth connecting block, the third connecting block is provided with a second mounting hole, the second screw rod passes through the second mounting hole and is screwed with the fourth connecting block, and the width adjustment of the gap between the second end of the third clamping part 3221 and the second end of the fourth clamping part 3222 can be realized by pulling the second lever rod.

[0050] In some embodiments, as shown in Figure 6 the outer circumferential surface of the part of the clamp 33 located between the third clamping part 3221 and the fourth clamping part 3222 is provided with knurls 331. The arrangement of the knurls 331 effectively improves the friction between the clamp 33 and the third clamping part 3221 and the fourth clamping part 3222, further ensures the connection strength between the clamp 33 and the adapter 32, and the clamp 33 is less likely to be separated from the adapter 32 when adjusting the rotation direction relative to the adapter 32.

[0051] Optionally, as shown in Figure 6As shown, the third clamping part 3221 or the fourth clamping part 3222 is provided with a threaded hole, and the repair rack 3 further comprises a first threaded part 36 which is threadedly connected with the threaded hole so as to press the clamp 33. In this way, the connection strength between the clamp 33 and the adapter 32 is further improved, and the fixing reliability of the to-be-repaired part on the workbench 13 during the repair process is higher.

[0052] In some embodiments, the base 2 comprises a first limiting part 21, a second limiting part 22 and a clamping part 23. The first limiting part 21 is connected with the workbench 13. The second limiting part 22 is connected with the workbench 13 and is arranged along a second direction with the first limiting part 21. The clamping part 23 is movably connected with the second limiting part 22 along the second direction, and each of the clamping part 23 and the second limiting part 22 forms a limiting groove with the first limiting part 21.

[0053] That is, the distance between the clamping part 23 and the first limiting part 21 is adjustable, so that the base 2 has higher limiting reliability in the second direction for the to-be-repaired part arranged in the limiting groove.

[0054] Specifically, as shown in Figure 1 and Figure 4 , the base 2 is detachably connected with the workbench 13 through a plurality of bolts, the limiting groove formed by the base 2 is generally matched with the shape of the to-be-repaired part, and the base 2 also simultaneously realizes reliable support of the to-be-repaired part upward.

[0055] In some embodiments, the base 2 further comprises a second threaded part 24, the second limiting part 22 is provided with a second threaded hole, the clamping part 23 is provided with a mounting hole, the threaded part of the second threaded part 24 passes through the mounting hole and is threadedly connected with the second threaded hole, and the clamping part 23 is slidingly fitted between the head of the second threaded part 24 and the second limiting part 22 along the second direction.

[0056] In this way, the movement of the clamping part 23 along the second direction is convenient and fast, and the limiting cost of the base 2 for the to-be-repaired part in the second direction is low.

[0057] Specifically, the second direction is orthogonal to the first direction and the up-down direction, as shown in Figure 4 , the clamping part 23 comprises two clamping plates which are spaced apart along the first direction, one of the clamping plates is provided with two mounting holes, the other clamping plate is provided with one mounting hole, and three second threaded parts 24 respectively pass through the three mounting holes and are threadedly connected with the second limiting part 22.

[0058] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0059] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0060] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication or interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0061] In the utility model, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0062] In the present application, the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" mean that the specific feature, structure, material or characteristic being described with reference to the embodiment or example is included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the features of different embodiments or examples described in the specification and the features of different embodiments or examples without contradiction.

[0063] Although the above embodiments have been shown and described, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and the changes, modifications, replacements and modifications of the above embodiments made by the person skilled in the art are within the protection scope of the present application.

Claims

1. A service lift characterized in that, The maintenance lifting platform comprises: a lifting main body comprising a height-adjustable workbench; a base connected with the workbench, the base being provided with a limiting groove for limiting a to-be-maintained part; a maintenance frame connected with the workbench, the maintenance frame comprising a clamp for clamping the to-be-maintained part, the clamp being located on the upper side of the base.

2. The service lift as recited in claim 1, wherein, The lifting main body comprises: a base; a scissor support bracket arranged between the base and the workbench; a driving device mounted on the base, the driving device being in transmission connection with the scissor support bracket so as to lift the workbench; an organ case, two ends of the organ case being connected with the base and the workbench respectively, and the scissor support bracket being located in the organ case.

3. The service lift according to claim 2, wherein, The maintenance lifting platform further comprises a gentle slope connected with the base and arranged along a first direction, an upper surface of the gentle slope gradually decreasing in height in a direction away from the base, and an upper surface of the workbench located at the lowest position being less than or equal to the maximum height of the upper surface of the gentle slope.

4. The service lift according to claim 1, wherein, The maintenance frame comprises: a stand column extending in an up-down direction, a lower end of the stand column being connected with the workbench; an adapter, the adapter being pivotably connected with the stand column about a first axis extending in the up-down direction, the clamp being pivotably connected with the adapter about a second axis perpendicular to the first axis; a first fastener for fastening the stand column and the adapter; a second fastener for fastening the adapter and the clamp.

5. The service lift according to claim 4, wherein, The maintenance frame further comprises a tool box connected with the stand column, the tool box being formed with a maintenance tool accommodating cavity.

6. The service lift according to claim 4, wherein, The adapter comprises a first rod portion extending in the up-down direction, the stand column comprises a first clamping portion and a second clamping portion arranged along the circumference of the stand column, a first end of the first clamping portion being connected with a first end of the second clamping portion, a second end of the first clamping portion and a second end of the second clamping portion being spaced apart, and the first fastener connecting the first clamping portion and the second clamping portion so as to clamp the first rod portion between the first clamping portion and the second clamping portion.

7. The service lift according to claim 6, wherein, The adapter further comprises a second rod portion extending in a horizontal direction, the second rod portion comprising a third clamping portion and a fourth clamping portion arranged along the circumference of the second rod portion, a first end of the third clamping portion being connected with a first end of the fourth clamping portion, a second end of the third clamping portion and a second end of the fourth clamping portion being spaced apart, and the second fastener connecting the third clamping portion and the fourth clamping portion so as to clamp a part of the clamp between the third clamping portion and the fourth clamping portion.

8. The service lift according to claim 7, wherein, An outer circumferential surface of the part of the clamp located between the third clamping portion and the fourth clamping portion is provided with knurling; and / or, a threaded hole is arranged on the third clamping portion or the fourth clamping portion, and the maintenance frame further comprises a first threaded member in threaded cooperation with the threaded hole so as to compress the clamp.

9. The service lift according to claim 1, wherein, The base comprises: A first limiting member is connected with the workbench; A second limiting member is connected with the workbench, and the second limiting member is arranged along a second direction with the first limiting member; A clamping member is movably connected with the second limiting member along the second direction, and each of the clamping member and the second limiting member forms the limiting slot with the first limiting member.

10. The service lift according to claim 9, wherein, The base further comprises a second threaded member, the second limiting member is provided with a second threaded hole, the clamping member is provided with a mounting hole, the threaded rod of the second threaded member passes through the mounting hole and is screwed with the second threaded hole, and the clamping member is slidingly fitted between the head of the second threaded member and the second limiting member along the second direction.

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