Supporting device for elevator maintenance pit

Abstract

The utility model relates to the technical field of elevator maintenance, and discloses an elevator maintenance pit supporting device which comprises a pit body, a fixing mechanism is arranged at the bottom in the pit body, a supporting mechanism is arranged at the top of the fixing mechanism, and the fixing mechanism comprises a placing assembly, a driving assembly, a fixing assembly, a supporting assembly and a limiting assembly. The placing assembly is arranged at the bottom in the pit body, and the driving assembly is arranged in the top of the placing assembly. According to the pit supporting device for elevator maintenance, through the arranged fixing mechanism, a worker can drive the mounting clamping blocks at the four corners of the base to synchronously move outwards only by starting a driving motor, so that the mounting clamping blocks are connected to the four corners in the pit body in a clamped mode, and mounting treatment of the device is completed; and meanwhile, a worker can control the mounting clamping blocks at the four corners to retract inwards through the hydraulic rods to release connection with the pit body, the worker can disassemble and assemble the device conveniently, operation is easy, and the worker can use the device conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator maintenance, in particular to a bottom pit supporting device for elevator maintenance. Background Art

[0002] The elevator pit is located in the part of the shaft below the lowest floor served by the car. It is equipped with buffers, elevator stop switches, shaft light switches, power sockets and lighting, and a pit door can be installed as needed. The pit should have sufficient space, and the clearance distance between the pit bottom and the lowest part of the car should not be less than 0.5m. The clearance distance between the pit bottom and the guide shoes or rollers, safety clamp wedges, toe guards or vertical sliding parts shall not be less than 0.1m. Its bottom should be smooth and flat, without water accumulation, and its structure should be able to withstand the compressive strength of the reaction force when the car or counterweight collides with the buffer.

[0003] According to the "An Elevator Maintenance Pit Support Device (Publication Number: CN 212893344 U; Application Number: 202021851460.2)" published on the Patent Network, the above application optimizes the problem that "When performing maintenance on the inside of the elevator pit, the elevator car will affect the maintenance personnel from entering the pit for maintenance. When performing maintenance, it will be dangerous to rely solely on the steel wire rope on the elevator car to pull the car." However, the pit support device in the above application is directly set at the bottom of the pit when in use. When the internal components of the support device are damaged or need to be inspected, the staff needs to enter the bottom of the pit to inspect it on site and replace the parts. The space in the pit is small and it is not convenient for the staff to work. At the same time, the support device cannot effectively achieve its main supporting effect when it is inspected or parts are replaced, which poses a great risk. Utility Model Content

[0004] The purpose of the utility model is to provide an elevator maintenance pit support device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an elevator maintenance pit support device, comprising a pit body, a fixing mechanism is arranged at the bottom of the pit body, and a supporting mechanism is arranged at the top of the fixing mechanism.

[0006] The fixing mechanism includes a placing component, a driving component, a fixing component, a supporting component and a limiting component. The placing component is arranged at the bottom of the pit body, the driving component is arranged at the top of the placing component, the fixing component is arranged at the four corners of the placing component, the supporting component is arranged on the outer ring of the fixing component, and the limiting component is arranged at the four corners of the placing component.

[0007] The supporting mechanism comprises a lifting component, a sliding component and a buffer component. The lifting component is arranged on the top of the placing component, the sliding component is arranged inside the lifting component, and the buffer component is arranged on the upper and lower sides of the sliding component.

[0008] Preferably, the placement component includes a base, which is arranged at the bottom of the pit body, and the four corners of the bottom of the base are fixedly connected with convex plates, and the top of the convex plate is fixedly connected with a reinforcement plate, and the reinforcement plate is fixedly connected to the top of the base, and the bottom of the convex plate is fixedly connected with a pad.

[0009] Preferably, the driving assembly includes a driving motor, the driving motor is fixedly connected to the top of the base, a rotating shaft is fixedly connected to the bottom of the driving motor, the rotating shaft is rotatably connected to the top of the base, a bevel gear 1 is fixedly connected to the bottom of the rotating shaft, and a casing is provided on the outside of the driving motor, and the casing is fixedly connected to the top of the base.

[0010] Preferably, the fixing assembly includes bevel gear 2, which is meshed with the top of the outer ring of bevel gear 1, and a threaded shaft is fixedly connected to the outer side of bevel gear 2, and a threaded barrel is threadedly connected to the outer ring of the threaded shaft, and the threaded barrel is slidably connected to the four corners of the base, and a mounting block is fixedly connected to the outer side of the threaded barrel.

[0011] Preferably, the support assembly includes a support drum, the support drum is rotatably connected to the outer ring of the threaded shaft, the top of the support drum is fixedly connected to a connecting block, and the connecting block is fixedly connected to the inner top of the base.

[0012] Preferably, the limiting assembly includes a convex ring, which is fixedly connected to the inner side of the outer ring of the threaded barrel, and a limiting slide rod is slidably connected inside the convex ring. The limiting slide rod is fixedly connected to the four corners inside the base and is located on the left and right sides of the threaded barrel, and a limiting plate is fixedly connected to the inner side of the limiting slide rod.

[0013] Preferably, the lifting assembly includes a hydraulic rod, the hydraulic rod is fixedly connected to the top of the base, and the top of the hydraulic rod is fixedly connected to a support platform.

[0014] Preferably, the sliding assembly includes a sliding seat, the sliding seat is sleeved in the top of the support platform, the bottom of the outer ring of the sliding seat is fixedly connected to a limiting convex edge, the limiting convex edge is slidably connected to a fixing rod, and the fixing rod is fixedly connected in the support platform.

[0015] Preferably, the buffer assembly includes a compression spring, the compression spring is fixedly connected to the top of the slide seat, the compression spring is fixedly connected to the bottom of the support platform, a rubber pad is arranged above the compression spring, and the rubber pad is sleeved on the top of the slide seat.

[0016] Compared with the prior art, the utility model provides an elevator maintenance pit support device, which has the following beneficial effects:

[0017] 1. The elevator maintenance pit support device, through the fixed mechanism, the staff only needs to start the drive motor to drive the installation blocks at the four corners of the base to move outward synchronously, so that the installation blocks are connected to the four corners of the pit body to complete the installation of the device. At the same time, the staff can also control the installation blocks at the four corners to retract inwards through the hydraulic rod to release the connection with the pit body, which is convenient for the staff to disassemble and assemble the device, so that the staff does not need to enter the bottom of the pit when repairing the main body of the device and replacing parts, which is convenient for the staff to work and also increases the safety of the staff.

[0018] 2. The elevator maintenance pit support device has a support mechanism. The staff only needs to start the hydraulic rod to drive the support platform upward to complete the support. At the same time, the rubber pad is slidably connected to the support platform to cushion the elevator falling from above through the compression spring and rubber pad, thereby increasing stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0020] Figure 1 It is a front schematic diagram of the utility model;

[0021] Figure 2 It is a top view of the main structure of the fixing mechanism;

[0022] Figure 3 It is a bottom view of the main structure of the fixing mechanism;

[0023] Figure 4 It is a cross-sectional view of the structure of the fixing mechanism;

[0024] Figure 5 It is the exploded diagram of the fixed mechanism part;

[0025] Figure 6 It is a cross-sectional view of the supporting mechanism part.

[0026] In the figure: 1. fixing mechanism; 11. placing assembly; 1101. base; 1102. convex plate; 1103. reinforcing plate; 1104. pad; 12. driving assembly; 1201. driving motor; 1202. rotating shaft; 1203. bevel gear 1; 1204. casing; 13. fixing assembly; 1301. bevel gear 2; 1302. threaded rotating shaft; 1303. threaded cylinder; 1304. mounting block; 14. supporting assembly; 14 01. Support drum; 1402. Connecting block; 15. Limiting assembly; 1501. Convex ring; 1502. Limiting slide bar; 1503. Limiting plate; 2. Support mechanism; 21. Lifting assembly; 2101. Hydraulic rod; 2102. Support platform; 22. Sliding assembly; 2201. Sliding seat; 2202. Limiting convex edge; 2203. Fixed rod; 23. Buffer assembly; 2301. Compression spring; 2302. Rubber pad; 3. Bottom pit body. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The utility model provides a technical solution: Embodiment 1

[0030] Combination Figures 1 to 5 , an elevator maintenance pit support device, including a pit body 3, a fixing mechanism 1 is arranged at the bottom of the pit body 3, and a supporting mechanism 2 is arranged at the top of the fixing mechanism 1.

[0031] The fixing mechanism 1 includes a placing component 11, a driving component 12, a fixing component 13, a supporting component 14 and a limiting component 15. The placing component 11 is arranged at the bottom of the pit body 3, the driving component 12 is arranged at the top of the placing component 11, the fixing component 13 is arranged at the four inner corners of the placing component 11, the supporting component 14 is arranged on the outer ring of the fixing component 13, and the limiting component 15 is arranged at the four inner corners of the placing component 11.

[0032] The placement component 11 includes a base 1101, which is arranged at the bottom of the pit body 3. The four corners of the bottom of the base 1101 are fixedly connected with convex plates 1102, and the top of the convex plate 1102 is fixedly connected with a reinforcing plate 1103, and the reinforcing plate 1103 is fixedly connected to the top of the base 1101. The bottom of the convex plate 1102 is fixedly connected with a cushion block 1104. The driving component 12 includes a driving motor 1201, which is fixedly connected to the top of the base 1101. The bottom of the driving motor 1201 is fixedly connected with a rotating shaft 1202, and the rotating shaft 1202 is rotatably connected to the top of the base 1101. The bottom of the rotating shaft 1202 is fixedly connected with a bevel gear 1203. A casing 1204 is arranged on the outside of the driving motor 1201, and the casing 1204 is fixedly connected to the top of the base 1101. The fixing component 13 includes a bevel gear 2 1301, and the bevel gear 2 1301 is meshed with the outer surface of the bevel gear 1203. The outer side of the bevel gear 1301 is fixedly connected with a threaded shaft 1302, the outer ring of the threaded shaft 1302 is threadedly connected with a threaded cylinder 1303, the threaded cylinder 1303 is slidably connected to the four corners of the base 1101, the outer side of the threaded cylinder 1303 is fixedly connected with a mounting block 1304, the support assembly 14 includes a support cylinder 1401, the support cylinder 1401 is rotatably connected to the outer ring of the threaded shaft 1302, and the top of the support cylinder 1401 is fixedly connected There is a connecting block 1402, which is fixedly connected to the top of the base 1101. The limiting component 15 includes a convex ring 1501, which is fixedly connected to the inner side of the outer ring of the threaded tube 1303. The convex ring 1501 is slidably connected to a limiting slide rod 1502. The limiting slide rod 1502 is fixedly connected to the four corners of the base 1101 located on the left and right sides of the threaded tube 1303. The inner side of the limiting slide rod 1502 is fixedly connected to a limiting plate 1503.

[0033] Furthermore, the staff only needs to start the driving motor 1201 to drive the installation blocks 1304 at the four corners of the base 1101 to move outward synchronously, so that the installation blocks 1304 are connected to the four corners inside the pit body 3 to complete the installation of the device. At the same time, the staff can also control the installation blocks 1304 at the four corners to retract inward through the hydraulic rod 2101 to release the connection with the pit body 3, which is convenient for the staff to disassemble and assemble the device. The operation is simple and convenient for the staff to use. Embodiment 2

[0034] See also Figure 1 , Figure 2 and Figure 6 On the basis of the first embodiment, it is further obtained that the support mechanism 2 includes a lifting component 21, a sliding component 22 and a buffer component 23, the lifting component 21 is arranged on the top of the placement component 11, the sliding component 22 is arranged in the lifting component 21, and the buffer component 23 is arranged on the upper and lower sides of the sliding component 22.

[0035] The lifting assembly 21 includes a hydraulic rod 2101, which is fixedly connected to the top of the base 1101. The top of the hydraulic rod 2101 is fixedly connected to a support platform 2102. The sliding assembly 22 includes a slide 2201, which is sleeved in the top of the support platform 2102. The bottom of the outer ring of the slide 2201 is fixedly connected to a limiting convex edge 2202, and a fixed rod 2203 is slidably connected in the limiting convex edge 2202. The fixed rod 2203 is fixedly connected in the support platform 2102. The buffer assembly 23 includes a compression spring 2301, which is fixedly connected to the top of the slide 2201, and the compression spring 2301 is fixedly connected to the bottom of the support platform 2102. A rubber pad 2302 is arranged above the compression spring 2301, and the rubber pad 2302 is sleeved in the top of the slide 2201.

[0036] Furthermore: the staff only needs to start the hydraulic rod 2101 to drive the support platform 2102 upward to complete the support. At the same time, the rubber pad 2302 is slidably connected to the support platform 2102 to cushion the elevator falling from above through the compression spring 2301 and the rubber pad 2302, thereby increasing stability.

[0037] In actual operation, when this device is used and the support device needs to be installed, the worker first places the base 1101 at the bottom of the pit body 3, and then the worker starts the drive motor 1201. The drive motor 1201 starts to drive the bevel gear 1 1203 to rotate through the rotating shaft 1202. The rotation of the bevel gear 1 1203 drives the bevel gear 2 1301 at the four corners to rotate synchronously. The rotation of the bevel gear 2 1301 drives the threaded barrel 1303 at the four corners to move outward synchronously. The outward movement of the threaded barrel 1303 drives the installation block 1304 to move outward. The installation block 1304 moves outward and is connected to the four corners of the pit body 3. At this time, the fixing work of the base 1101 is completed.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. An elevator maintenance pit support device, comprising a pit body (3), characterized in that: A fixing mechanism (1) is provided at the bottom of the pit body (3), and a supporting mechanism (2) is provided at the top of the fixing mechanism (1); The fixing mechanism (1) comprises a placement component (11), a driving component (12), a fixing component (13), a supporting component (14) and a limiting component (15); the placement component (11) is arranged at the bottom of the pit body (3); the driving component (12) is arranged at the top of the placement component (11); the fixing component (13) is arranged at the four inner corners of the placement component (11); the supporting component (14) is arranged at the outer ring of the fixing component (13); and the limiting component (15) is arranged at the four inner corners of the placement component (11); The support mechanism (2) comprises a lifting component (21), a sliding component (22) and a buffer component (23); the lifting component (21) is arranged on the top of the placement component (11); the sliding component (22) is arranged inside the lifting component (21); and the buffer component (23) is arranged on both upper and lower sides of the sliding component (22).

2. An elevator maintenance pit support device according to claim 1, characterized in that: The placement component (11) comprises a base (1101), the base (1101) is arranged at the bottom of the pit body (3), the four corners of the bottom of the base (1101) are fixedly connected to convex plates (1102), the top of the convex plate (1102) is fixedly connected to a reinforcing plate (1103), the reinforcing plate (1103) is fixedly connected to the top of the base (1101), and the bottom of the convex plate (1102) is fixedly connected to a cushion block (1104).

3. The elevator maintenance pit support device according to claim 1, characterized in that: The driving assembly (12) comprises a driving motor (1201), wherein the driving motor (1201) is fixedly connected to the top of the base (1101), a rotating shaft (1202) is fixedly connected to the bottom of the driving motor (1201), the rotating shaft (1202) is rotatably connected inside the top of the base (1101), a bevel gear 1 (1203) is fixedly connected to the bottom of the rotating shaft (1202), and a casing (1204) is provided on the outside of the driving motor (1201), and the casing (1204) is fixedly connected to the top of the base (1101).

4. The elevator maintenance pit support device according to claim 1, characterized in that: The fixing assembly (13) comprises a second bevel gear (1301), the second bevel gear (1301) meshing with the top of the outer ring of the first bevel gear (1203), the outer side of the second bevel gear (1301) being fixedly connected with a threaded shaft (1302), the outer ring of the threaded shaft (1302) being threadedly connected with a threaded barrel (1303), the threaded barrel (1303) being slidably connected to the four corners of the base (1101), and the outer side of the threaded barrel (1303) being fixedly connected with a mounting block (1304).

5. The elevator maintenance pit support device according to claim 1, characterized in that: The support assembly (14) comprises a support rotating drum (1401), wherein the support rotating drum (1401) is rotatably connected to the outer ring of the threaded rotating shaft (1302), and a connecting block (1402) is fixedly connected to the top of the support rotating drum (1401), and the connecting block (1402) is fixedly connected to the inner top of the base (1101).

6. The elevator maintenance pit support device according to claim 1, characterized in that: The limiting assembly (15) comprises a convex ring (1501), the convex ring (1501) is fixedly connected to the inner side of the outer ring of the threaded tube (1303), the convex ring (1501) is slidably connected to a limiting slide rod (1502), the limiting slide rod (1502) is fixedly connected to the four inner corners of the base (1101) and is located on the left and right sides of the threaded tube (1303), and the inner side of the limiting slide rod (1502) is fixedly connected to the limiting plate (1503).

7. The elevator maintenance pit support device according to claim 1, characterized in that: The lifting assembly (21) comprises a hydraulic rod (2101), wherein the hydraulic rod (2101) is fixedly connected to the top of the base (1101), and the top of the hydraulic rod (2101) is fixedly connected to a support platform (2102).

8. The elevator maintenance pit support device according to claim 1, characterized in that: The sliding assembly (22) comprises a sliding seat (2201), the sliding seat (2201) is sleeved inside the top of the support platform (2102), the bottom of the outer ring of the sliding seat (2201) is fixedly connected to a limiting convex edge (2202), a fixing rod (2203) is slidably connected inside the limiting convex edge (2202), and the fixing rod (2203) is fixedly connected inside the support platform (2102).

9. The elevator maintenance pit support device according to claim 1, characterized in that: The buffer assembly (23) comprises a compression spring (2301), wherein the compression spring (2301) is fixedly connected to the top of the slide seat (2201), and the compression spring (2301) is fixedly connected to the bottom of the support platform (2102). A rubber pad (2302) is arranged above the compression spring (2301), and the rubber pad (2302) is sleeved on the top of the slide seat (2201).

Images