Safe and adjustable maintenance frame for elevator installation

Abstract

The utility model discloses a safe and adjustable maintenance frame for elevator installation, which relates to the field of elevator maintenance, and comprises a bottom plate, a scissor-type elevator is arranged at the top of the bottom plate, a lifting component is arranged in the bottom plate, and the lifting component comprises a cavity arranged in the bottom plate. By arranging the lifting assembly, when a base plate and an anti-skid pad need to move downwards and the anti-skid pad is in contact with the ground so as to improve the stability of the maintenance frame, a worker can rotate a worm through a rotating handle, and the worm rotates to drive a worm gear to rotate, then drive a rotating shaft to rotate, drive a driving gear to rotate and then drive a driven gear to rotate; after the non-slip mat is tightly attached to the ground, the rotating handle is not rotated any more, and at the moment, the stability of the maintenance frame can be improved through the non-slip mat and the base plate; in this way, the four base plates and the anti-skid pads can move downwards or upwards at the same time only by rotating the rotating handle by a worker.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator maintenance field, concretely is a kind of safe adjustable maintenance frame for elevator installation. BACKGROUND

[0002] Elevator is the permanent transport equipment that its car runs in at least two columns vertical to horizontal plane or with inclination angle less than 15 ° to plumb line, with the continuous development of science and technology, elevator and elevator control system have also been developed greatly, elevator brings many conveniences for resident life;With the wide application of elevator in resident life, the maintenance, repair and troubleshooting of elevator also need to be continuously improved with the development of elevator, maintenance frame needs to be used when repairing elevator.

[0003] According to the announcement number CN221940062U of Chinese patent, a kind of safe adjustable maintenance frame for elevator installation is disclosed, the utility model is equipped with longitudinal adjusting mechanism and transverse adjusting mechanism, when longitudinal adjustment is carried out, hinged piece is driven by driving cylinder to carry out hinged deformation, to change the distance of longitudinal adjusting base plate and longitudinal adjusting top plate.

[0004] For the above-mentioned patent content, by being provided with four supporting pieces and stabilizing struts, when using the maintenance frame, to improve the stability of the maintenance frame, the stabilizing struts need to be moved down and attached to the ground, but the four stabilizing struts are difficult to be adjusted simultaneously, so the staff needs to adjust the four stabilizing struts in turn, so more time is needed, and the adjustment complexity is increased, and the adjustment efficiency of the stabilizing struts is reduced. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims at providing a kind of safe adjustable maintenance frame for elevator installation to solve the technical problem of not being convenient to adjust four stabilizing struts quickly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of safe adjustable maintenance frame for elevator installation, including bottom plate, the top of the bottom plate is installed with scissor lift, lifting assembly is equipped in the bottom plate, and lifting assembly includes the cavity opened in the inside of bottom plate, the inside intermediate position of the cavity is equipped with rotating shaft by bearing, and the outer wall of rotating shaft is respectively equipped with driving gear and worm wheel, the inside of the cavity is connected with multiple rotating cylinders by bearing, and the inside of rotating cylinder is equipped with threaded hole, and the outer wall of rotating cylinder is equipped with driven gear, the inside threaded hole is connected with threaded column in screw thread, and the bottom end of threaded column penetrates bottom plate and is equipped with backing plate, the inside of the cavity is also connected with worm by bearing.

[0007] By adopting the above technical scheme, when the driven gear rotates, it drives the rotating drum to rotate, and then drives the threaded column to move downward and the base plate to move downward, so that the position of the base plate can be adjusted.

[0008] Further, the lifting assembly further comprises a plurality of telescopic rods installed at the bottom of the bottom plate, and the bottom end of the telescopic rod is fixedly connected with the top of the base plate.

[0009] By adopting the above technical scheme, the telescopic rod can guide the base plate to prevent the base plate from rotating with the threaded column, so that the threaded column can only move up and down.

[0010] Further, the top of the scissor lift is provided with a platform, and the platform is provided with anti-skid lines.

[0011] By adopting the above technical scheme, the platform is provided to facilitate the maintenance work of the staff standing on the top thereof.

[0012] Further, a guardrail is installed on the platform.

[0013] By adopting the above technical scheme, the guardrail is provided to protect the staff on the platform from falling off the platform, thereby improving the safety of maintenance.

[0014] Further, universal wheels are installed around the bottom of the bottom plate, and the base plate is located on one side of the universal wheels.

[0015] By adopting the above technical scheme, the universal wheels are provided to facilitate the movement of the maintenance frame, so that the maintenance frame can be transferred.

[0016] Further, the driving gear is engaged with the driven gear, and the diameter of the driving gear is greater than the diameter of the driven gear.

[0017] By adopting the above technical scheme, when the driving gear rotates, it drives the driven gear to rotate, and since the diameter of the driving gear is greater than the diameter of the driven gear, the rotation speed of the driven gear is faster than that of the driving gear.

[0018] Further, one end of the worm extends to the outside of the bottom plate and is connected with a handle.

[0019] By adopting the above technical scheme, the staff can rotate the worm through the handle.

[0020] Further, the worm gear is located below the driving gear, and the worm is engaged with the worm gear.

[0021] By adopting the above technical scheme, when the worm rotates, it drives the worm gear to rotate, and then drives the rotating shaft to rotate, and then drives the driving gear to rotate.

[0022] Further, the length of the threaded column is greater than the depth of the threaded hole, and the bottom of the base plate is provided with an anti-skid pad.

[0023] By adopting the technical scheme, the anti-skid pad can improve the stability of the maintenance frame when being in contact with the ground.

[0024] In summary, the utility model mainly has the following beneficial effects:

[0025] 1、The utility model discloses a lifting assembly is set up, when need make base plate and anti -skid pad move down and make anti -skid pad contact with ground to improve the stability of maintenance frame, the staff can rotate the worm through the handle, and the worm rotation drives the worm wheel to rotate, and then drives the rotating shaft to rotate, and drives the driving gear to rotate, and then drives the driven gear to rotate, and then drives the rotating cylinder to rotate, so that the threaded column moves down, and then drives the base plate and anti -skid pad to move down, when anti -skid pad and ground close -fit, no longer rotate the handle, the stability of maintenance frame can be improved through anti -skid pad and base plate at this time, and through the mode, only the staff rotates the handle to make four base plates and anti -skid pad move down or move up simultaneously, and the staff does not need to adjust the position of anti -skid pad and base plate in turn to make anti -skid pad contact with ground, thereby simplifying the adjustment step, and the operation process is simple and convenient, thereby improving the adjustment efficiency of the position of base plate and anti -skid pad.

[0026] 2、The utility model discloses a telescopic rod is seted up, and the telescopic rod can guide the base plate, prevents the base plate from following the threaded column and rotates, and then only the threaded column can move up and down, and the stability of the base plate when moving is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the whole three -dimensional structure schematic diagram of the utility model;

[0028] Figure 2 It is the base plate cross section structure schematic diagram of the utility model;

[0029] Figure 3 It is the driving gear structure schematic diagram of the utility model;

[0030] Figure 4 It is the driving gear structure schematic diagram of the utility model;

[0031] Figure 5 It is the base plate cross section structure schematic diagram of the utility model;

[0032] Figure 6 It is the base plate cross section structure schematic diagram of the utility model;

[0033] Figure 7 It is the rotating cylinder structure schematic diagram of the utility model.

[0034] In the figure: 1, bottom plate; 2, scissor lift; 3, platform; 4, guardrail; 5, lifting assembly; 501, cavity; 502, driving gear; 503, rotating shaft; 504, rotating drum; 505, threaded hole; 506, threaded column; 507, backing plate; 508, non-slip pad; 509, telescopic rod; 510, driven gear; 511, worm wheel; 512, worm; 513, handle; 6, universal wheel. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model and cannot be understood as limiting the utility model.

[0036] The embodiments will be described below according to the overall structure of the utility model.

[0037] Embodiment one:

[0038] A safe and adjustable maintenance frame for elevator installation, as shown in Figures 1-7 , comprising a bottom plate 1, a scissor lift 2 is installed on the top of the bottom plate 1, the scissor lift 2 is arranged to adjust the height of the platform 3, a lifting assembly 5 is arranged in the bottom plate 1, the top of the scissor lift 2 is provided with a platform 3, the platform 3 is provided with anti-skid lines, the platform 3 is arranged to facilitate the maintenance work of the staff standing on the top thereof, universal wheels 6 are installed around the bottom of the bottom plate 1, the universal wheels 6 are arranged to facilitate the movement of the maintenance frame, so that the maintenance frame can be transferred, a guardrail 4 is installed on the platform 3, the guardrail 4 is arranged to protect the staff on the platform 3 from falling off the platform 3, thereby improving the safety of maintenance.

[0039] Referring to Figures 2-6 , the lifting assembly 5 comprises a cavity 501 arranged in the bottom plate 1, a rotating shaft 503 is arranged at the middle position of the inside of the cavity 501 through a bearing, and the outer wall of the rotating shaft 503 is respectively provided with a driving gear 502 and a worm wheel 511, a plurality of rotating drums 504 are connected in the cavity 501 through bearings, the inside of the rotating drum 504 is provided with a threaded hole 505, and the outer wall of the rotating drum 504 is provided with a driven gear 510, the inside of the threaded hole 505 is threadedly connected with a threaded column 506, the bottom end of the threaded column 506 penetrates through the bottom plate 1 and is provided with a backing plate 507, and the inside of the cavity 501 is further connected with a worm 512 through a bearing, when the driven gear 510 rotates, it drives the rotating drum 504 to rotate, thereby making the threaded column 506 move downward and driving the backing plate 507 to move downward, so that the position of the backing plate 507 can be adjusted, and the backing plate 507 is located on one side of the universal wheel 6.

[0040] Specifically, the driving gear 502 is engaged with the driven gear 510, the diameter of the driving gear 502 is greater than that of the driven gear 510, and when the driving gear 502 rotates, it drives the driven gear 510 to rotate, and since the diameter of the driving gear 502 is greater than that of the driven gear 510, the rotation speed of the driven gear 510 is faster than that of the driving gear 502, one end of the worm 512 extends to the outside of the bottom plate 1 and is connected with the handle 513, so that the staff can rotate the worm 512 through the handle 513, the worm gear 511 is located below the driving gear 502, the worm 512 is engaged with the worm gear 511, and when the worm 512 rotates, it drives the worm gear 511 to rotate, and then drives the rotating shaft 503 to rotate, and then drives the driving gear 502 to rotate, the length of the threaded column 506 is greater than the depth of the threaded hole 505, and the bottom of the backing plate 507 is provided with the non-slip pad 508, and the non-slip pad 508 can improve the stability of the maintenance frame when being in contact with the ground.

[0041] Embodiment two:

[0042] On the basis of the above-mentioned embodiment one, in order to improve the stability of the backing plate 507 during movement, the backing plate 507 needs to be guided, therefore the following structure is set.

[0043] Specifically, the lifting assembly 5 further comprises a plurality of telescopic rods 509 installed at the bottom of the bottom plate 1, and the bottom end of the telescopic rod 509 is fixedly connected with the top of the backing plate 507, the telescopic rod 509 can guide the backing plate 507, prevent the backing plate 507 from rotating with the threaded column 506, and thus the threaded column 506 can only move up and down.

[0044] The working principle of the utility model is as follows: first, the staff can move the maintenance frame to the designated position through the universal wheel 6, then the staff can rotate the worm 512 through the handle 513, the rotation of the worm 512 drives the worm gear 511 to rotate, and then drives the rotating shaft 503 to rotate, and drives the driving gear 502 to rotate, and then drives the driven gear 510 to rotate, and then drives the rotating drum 504 to rotate, so that the threaded column 506 moves downward, and then drives the backing plate 507 and the non-slip pad 508 to move downward, and when the non-slip pad 508 is tightly attached to the ground, the handle 513 is not rotated any more, and at this time the stability of the maintenance frame can be improved through the non-slip pad 508 and the backing plate 507.

[0045] Then the staff gets on the platform 3, and the setting of the guardrail 4 can improve the safety of the staff standing on the platform 3, and prevent the staff from falling, and then the lifting of the platform 3 is realized through the scissor lift 2, so that the height of the platform 3 can be adjusted.

[0046] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A safe and adjustable maintenance shelf for elevator installation, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is provided with a scissor lift (2), the bottom plate (1) is internally provided with a lifting assembly (5), and the lifting assembly (5) comprises a cavity (501) formed in the bottom plate (1), a rotating shaft (503) is rotatably arranged at the middle position of the cavity (501), and the outer wall of the rotating shaft (503) is provided with a driving gear (502) and a worm wheel (511); a plurality of rotating cylinders (504) are connected to the cavity (501) through bearings, the rotating cylinder (504) is internally provided with a threaded hole (505), and the outer wall of the rotating cylinder (504) is provided with a driven gear (510); the threaded hole (505) is internally provided with a threaded column (506), and the bottom end of the threaded column (506) penetrates the bottom plate (1) and is provided with a backing plate (507); and the cavity (501) is further provided with a worm (512) connected through a bearing.

2. A safety adjustable maintenance rack for elevator installation according to claim 1, characterized in that: The lifting assembly (5) further comprises a plurality of telescopic rods (509) arranged at the bottom of the bottom plate (1), and the bottom end of the telescopic rod (509) is fixedly connected with the top of the backing plate (507).

3. The safety adjustable maintenance rack for elevator installation according to claim 1, characterized in that: The top of the scissor lift (2) is provided with a platform (3), and the platform (3) is provided with anti-skid lines.

4. A safety adjustable maintenance rack for elevator installation according to claim 3, characterized in that: The platform (3) is provided with a guardrail (4).

5. The safety adjustable maintenance rack for elevator installation according to claim 1, wherein: The bottom of the bottom plate (1) is provided with universal wheels (6) around, and the backing plate (507) is located on one side of the universal wheels (6).

6. A safety adjustable maintenance rack for elevator installation according to claim 1, characterized in that: The driving gear (502) is engaged with the driven gear (510), and the diameter of the driving gear (502) is greater than that of the driven gear (510).

7. The safety adjustable maintenance rack for elevator installation according to claim 1, characterized in that: One end of the worm (512) extends to the outside of the bottom plate (1) and is connected with a handle (513).

8. The safety adjustable maintenance rack for elevator installation according to claim 1, characterized in that: The worm wheel (511) is located below the driving gear (502), and the worm (512) is engaged with the worm wheel (511).

9. The safety adjustable maintenance rack for elevator installation according to claim 1, wherein: The length of the threaded column (506) is greater than the depth of the threaded hole (505), and the bottom of the backing plate (507) is provided with an anti-skid pad (508).

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