Supporting device for elevator maintenance pit

Abstract

The utility model belongs to the technical field of elevator maintenance, and particularly relates to an elevator maintenance pit supporting device which comprises a fixing box, a supporting device is fixedly installed on the top of the fixing box, connecting frames are fixedly installed on the front side and the rear side of the left side of the supporting device on the right side, and connecting plates are fixedly installed on the front side and the rear side of the right side of the supporting device on the left side. A pushing handle is fixedly installed on the front side of the supporting device, a motor is fixedly installed on the top of the fixing box, and the fixing rods are fixedly installed on the inner wall of the top and the inner wall of the bottom of the fixing box. And a motor is controlled to drive a lead screw to rotate, so that the lead screw can move in cooperation with a sliding frame and a universal wheel through threads after rotating, the universal wheel slides into the inner side of the fixed box, and therefore the supporting effect of the device is good.

Description

Technical Field

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

[0002] When repairing an elevator, it is sometimes necessary to enter the pit of the elevator shaft. In order to prevent the car from falling suddenly during the repair process, a corresponding support device needs to be set up to protect the maintenance personnel;

[0003] The announcement number CN 213265198 U discloses an elevator maintenance pit support device, including a support seat, a plurality of rod grooves are linearly and evenly spaced on the top surface of the support seat, a slide bar is inserted into the rod groove, a compression spring A is sleeved on the upper outer part of the slide bar, a top seat is arranged above the support seat, a servo motor is fixedly arranged in the middle of the front wall of the top seat, a cavity is radially arranged in the middle of the top seat, an output end of the servo motor passes through the front wall of the top seat and extends into the cavity and is coaxially fixedly connected with a rotating shaft;

[0004] When in use, the device is connected to the elevator shaft through friction. If the elevator car falls, the elevator car only contacts the top seat, which reduces the contact area and easily causes the device to break in the middle, resulting in low support strength. Therefore, we propose an elevator maintenance pit support device. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes an elevator maintenance pit support device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A support device for an elevator maintenance pit comprises a fixed box, a support device is fixedly installed on the top of the fixed box, a connecting frame is fixedly installed on the front and rear sides of the left side of the right support device, a connecting plate is fixedly installed on the front and rear sides of the right side of the left support device, a pushing handle is fixedly installed on the front side of the support device, a motor is fixedly installed on the top of the fixed box, and a lead screw is fixedly installed on the output end of the motor; a support assembly, which is installed on the fixed box and the lead screw; and a connecting assembly, which is installed on the connecting frame and the connecting plate.

[0008] Preferably, the supporting assembly includes a fixed rod, a sliding frame and a universal wheel, the fixed rod is fixedly mounted on the top inner wall and the bottom inner wall of the fixed box, the sliding frame is threadedly mounted on the outside of the screw rod, the sliding frame is slidably mounted on the outside of the fixed rod, and the universal wheel is fixedly mounted on the four bottom corners of the sliding frame.

[0009] By adopting the above technical solution, the sliding frame and the universal wheel can be stored, so that the supporting effect of the fixed box and the supporting device is better and the universal wheel is not easily damaged.

[0010] Preferably, the connecting assembly comprises a threaded rod, a knob and an anti-skid pad, the threaded rod is threadedly mounted on the inner side of the connecting frame, the knob is fixedly mounted on the front side of the threaded rod, and the anti-skid pad is fixedly mounted on the rear side of the threaded rod.

[0011] By adopting the above technical solution, the anti-skid pad facilitates the connection frame and the connection plate to have a larger friction force, making it difficult for the connection frame and the connection plate to separate, so that the staff can drive the two supporting devices to move by pushing one side.

[0012] Preferably, through grooves are provided on the front and rear sides of the top of the sliding frame, an internal thread is provided on the inner side of the front through groove, the screw rod is meshed with the internal thread, and the outer diameter of the fixing rod is the same as the inner diameter of the through groove.

[0013] By adopting the above technical solution, the screw rod can drive the sliding frame to be stressed through the internal thread, and the fixed rod can limit the sliding frame, so that the sliding frame can only slide after being stressed.

[0014] Preferably, a threaded hole is provided on the front side of the connecting frame, and the threaded rod is threadedly installed on the inner side of the threaded hole.

[0015] By adopting the above technical solution, the threaded hole makes it easy for the threaded rod to drive the anti-skid pad to slide after being rotated.

[0016] Preferably, a mounting groove is provided on the front side of the connecting plate, a non-slip pad is fixedly installed on the inner side of the mounting groove, and non-slip patterns are provided on the non-slip pad and one side of the non-slip pad.

[0017] By adopting the above technical solution, the anti-skid texture makes the anti-skid pad and the anti-skid soft pad have greater friction after being connected, making it difficult for the connecting frame and the connecting plate to separate.

[0018] Preferably, a sliding groove is provided on the left side of the connecting frame, and the outer diameter of the connecting plate is the same as the inner diameter of the sliding groove.

[0019] By adopting the above technical solution, the sliding groove facilitates the connection between the connecting plate and the connecting frame.

[0020] Preferably, a storage groove is provided at the bottom of the fixed box, and the width of the sliding frame is smaller than the width of the storage groove.

[0021] By adopting the above technical solution, the storage groove is convenient for installing the screw rod and the fixed rod, and after the sliding frame and the universal wheel slide into the inner side of the fixed box, the fixed box and the supporting device can be supported, so that the device has a better supporting effect and is more convenient and quick to move.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] (1) The utility model provides an elevator maintenance pit support device. When the elevator is being repaired, the device is slid into the elevator pit through the universal wheel below through the support assembly. After moving to the specified position, the control motor drives the screw rod to rotate, so that the screw rod can move through the threaded cooperation sliding frame and the universal wheel after rotation, so that the universal wheel slides into the inner side of the fixed box, so that the support effect of the device is better;

[0024] (2) The utility model is an elevator maintenance pit support device, which adjusts the spacing between the support devices according to the length of the elevator pit through the setting of the connection assembly, controls the connection plate to slide into the inner side of the connection frame, and after adjusting the length, controls the knob to drive the threaded rod to rotate, so that the threaded rod drives the anti-skid pad to move, so that the anti-skid pad abuts against the anti-skid soft pad inside the installation groove, thereby increasing the friction force, making it difficult for the connection frame and the connection plate to separate, so that the staff can push the support device more conveniently and quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional structural schematic diagram of an elevator maintenance pit support device proposed by the utility model;

[0026] Figure 2 This is a partial three-dimensional structural schematic diagram of an elevator maintenance pit support device proposed by the utility model;

[0027] Figure 3 for Figure 2 Schematic diagram of the structure of part A in FIG.

[0028] Figure 4 It is a partial three-dimensional structural schematic diagram of an elevator maintenance pit support device proposed by the utility model.

[0029] In the figure: 1. fixed box; 2. supporting device; 3. connecting frame; 4. connecting plate; 5. pushing handle; 6. motor; 7. screw rod; 8. fixing rod; 9. sliding frame; 10. universal wheel; 11. threaded rod; 12. knob; 13. anti-skid pad; 14. through groove; 15. threaded hole; 16. installation groove; 17. anti-skid pad; 18. sliding groove; 19. storage groove. DETAILED DESCRIPTION

[0030] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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.

[0031] refer to Figure 1-4 A support device for an elevator maintenance pit comprises a fixed box 1, a support device 2 is fixedly installed on the top of the fixed box 1, a connecting frame 3 is fixedly installed on the front and rear sides of the left side of the right support device 2, a connecting plate 4 is fixedly installed on the front and rear sides of the right side of the left support device 2, a pushing handle 5 is fixedly installed on the front side of the support device 2, a motor 6 is fixedly installed on the top of the fixed box 1, and a screw rod 7 is fixedly installed on the output end of the motor 6; a support assembly, the support assembly is installed on the fixed box 1 and the screw rod 7; a connecting assembly, the connecting assembly is installed on the connecting frame 3 and the connecting plate 4.

[0032] In this embodiment, the support assembly includes a fixed rod 8, a sliding frame 9 and a universal wheel 10. The fixed rod 8 is fixedly installed on the top inner wall and the bottom inner wall of the fixed box 1, the sliding frame 9 is threadedly installed on the outside of the screw rod 7, the sliding frame 9 is slidably installed on the outside of the fixed rod 8, and the universal wheel 10 is fixedly installed at the four corners of the bottom of the sliding frame 9.

[0033] In this embodiment, the connecting assembly includes a threaded rod 11, a knob 12 and an anti-slip pad 13. The threaded rod 11 is threadedly installed on the inner side of the connecting frame 3, the knob 12 is fixedly installed on the front side of the threaded rod 11, and the anti-slip pad 13 is fixedly installed on the rear side of the threaded rod 11.

[0034] In this embodiment, through grooves 14 are opened on the front and rear sides of the top of the sliding frame 9, and the inner side of the front through groove 14 is provided with an internal thread, the screw rod 7 is meshed with the internal thread, and the outer diameter of the fixing rod 8 is the same as the inner diameter of the through groove 14.

[0035] In this embodiment, a threaded hole 15 is formed on the front side of the connecting frame 3 , and the threaded rod 11 is threadedly installed on the inner side of the threaded hole 15 .

[0036] In this embodiment, a mounting groove 16 is provided on the front side of the connecting plate 4 , an anti-skid pad 17 is fixedly installed inside the mounting groove 16 , and anti-skid pad 13 and one side of the anti-skid pad 17 are provided with anti-skid patterns.

[0037] In this embodiment, a sliding groove 18 is opened on the left side of the connecting frame 3 , and the outer diameter of the connecting plate 4 is the same as the inner diameter of the sliding groove 18 .

[0038] In this embodiment, a receiving groove 19 is formed at the bottom of the fixed box 1 , and the width of the sliding frame 9 is smaller than the width of the receiving groove 19 .

[0039] The specific operation is that when the elevator is repaired, the device is slid into the elevator pit through the universal wheel 10 below. After moving to the specified position, the motor 6 is controlled to drive the screw rod 7 to rotate, so that the screw rod 7 can move through the threaded matching sliding frame 9 and the universal wheel 10 after rotation, so that the universal wheel 10 slides into the inner side of the fixed box 1, so that the support effect of the device is better; the spacing between the support devices 2 is adjusted according to the length of the elevator pit, and the connecting plate 4 is controlled to slide into the inner side of the connecting frame 3. After adjusting the length, the control knob 12 drives the threaded rod 11 to rotate, so that the threaded rod 11 drives the anti-skid pad 13 to move, so that the anti-skid pad 13 is abutted against the anti-skid soft pad 17 inside the installation groove 16, thereby increasing the friction force, making it difficult for the connecting frame 3 and the connecting plate 4 to separate, so that the staff can push the support device 2 more conveniently and quickly.

[0040] The above is a detailed introduction to an elevator maintenance pit support device provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An elevator maintenance pit support device, characterized in that: include: A fixed box (1), a support device (2) is fixedly installed on the top of the fixed box (1), a connecting frame (3) is fixedly installed on the front and rear sides of the left side of the right support device (2), a connecting plate (4) is fixedly installed on the front and rear sides of the right side of the left support device (2), a pushing handle (5) is fixedly installed on the front side of the support device (2), a motor (6) is fixedly installed on the top of the fixed box (1), and a screw rod (7) is fixedly installed on the output end of the motor (6); A support assembly, wherein the support assembly is mounted on the fixed box (1) and the screw rod (7); A connecting component is installed on a connecting frame (3) and a connecting plate (4).

2. The elevator maintenance pit support device according to claim 1, characterized in that: The support assembly comprises a fixed rod (8), a sliding frame (9) and a universal wheel (10), wherein the fixed rod (8) is fixedly mounted on the top inner wall and the bottom inner wall of the fixed box (1), the sliding frame (9) is threadedly mounted on the outside of the screw rod (7), the sliding frame (9) is slidably mounted on the outside of the fixed rod (8), and the universal wheel (10) is fixedly mounted on the four bottom corners of the sliding frame (9).

3. The elevator maintenance pit support device according to claim 1, characterized in that: The connection assembly comprises a threaded rod (11), a knob (12) and an anti-skid pad (13); the threaded rod (11) is threadedly mounted on the inner side of the connection frame (3); the knob (12) is fixedly mounted on the front side of the threaded rod (11); and the anti-skid pad (13) is fixedly mounted on the rear side of the threaded rod (11).

4. The elevator maintenance pit support device according to claim 2, characterized in that: The top of the sliding frame (9) is provided with through grooves (14) on both sides, and the inner side of the front through groove (14) is provided with an internal thread, the screw rod (7) is meshed with the internal thread, and the outer diameter of the fixing rod (8) is the same as the inner diameter of the through groove (14).

5. The elevator maintenance pit support device according to claim 3, characterized in that: A threaded hole (15) is provided on the front side of the connection frame (3), and the threaded rod (11) is threadedly mounted on the inner side of the threaded hole (15).

6. The elevator maintenance pit support device according to claim 3, characterized in that: The front side of the connecting plate (4) is provided with a mounting groove (16), the inner side of the mounting groove (16) is fixedly provided with an anti-skid pad (17), and one side of the anti-skid pad (13) and the anti-skid pad (17) is provided with anti-skid patterns.

7. The elevator maintenance pit support device according to claim 1, characterized in that: A sliding groove (18) is provided on the left side of the connecting frame (3), and the outer diameter of the connecting plate (4) is the same as the inner diameter of the sliding groove (18).

8. The elevator maintenance pit support device according to claim 2, characterized in that: The bottom of the fixed box (1) is provided with a storage groove (19), and the width of the sliding frame (9) is smaller than the width of the storage groove (19).

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