Supporting and protecting device for elevator maintenance

Abstract

The utility model relates to the technical field of elevator maintenance and discloses an elevator maintenance supporting and protecting device which comprises a bottom plate, a protecting mechanism is arranged on the right side of the upper end of the bottom plate, an electric telescopic rod is arranged on the left side of the protecting mechanism, the telescopic end of the electric telescopic rod is rotationally connected with a first supporting mechanism, and the other end of the electric telescopic rod is rotationally connected with a fixing block. A second hydraulic cylinder is arranged on one side of the fixing block, the telescopic end of the second hydraulic cylinder is fixedly connected with one side of the fixing block, the other end of the second hydraulic cylinder is fixedly connected with a limiting plate, a second supporting mechanism is arranged on the right side of the bottom plate, and universal wheels are arranged at the bottom end of the bottom plate. And the protection mechanism is arranged, a protection plate is located below a worker, the protection plate is matched with the first supporting mechanism, the worker is protected, and the device body can be supported and fixed through the second supporting mechanism.

Description

Technical Field

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

[0002] An elevator is a vertical lift powered by an electric motor, equipped with a box-shaped cabin, used for carrying people or goods in multi-story buildings, and is a fixed lifting device that serves specified floors. Currently, the most commonly used are vertical lifts. In some cases, when an elevator malfunctions, it is usually necessary to repair and inspect the components on the top of the car, so protective devices are required when repairing the elevator car.

[0003] In the prior art, the protective device often adopts the method of installing a safety rope on the worker and fixing one end of the safety rope on an external device. The device is stabilized by a counterweight block. However, during the maintenance process, the worker still needs to stand on the top of the car. During the maintenance process, when the car descends, the worker will still be frightened when the car descends although he is protected by the safety rope. Moreover, the worker will be in a suspended state, and the safety of the worker cannot be guaranteed. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a support and protection device for elevator maintenance, which solves the problem that the safety of workers cannot be guaranteed during the maintenance process.

[0005] To solve the above technical problems, the technical solution provided by the utility model is: a support and protection device for elevator maintenance, comprising a base plate, a protection mechanism is provided on the right side of the upper end of the base plate, an electric telescopic rod is provided on the left side of the protection mechanism, the telescopic end of the electric telescopic rod is rotatably connected to the first supporting mechanism, the other end of the electric telescopic rod is rotatably connected to a fixed block, a fifth sliding block is fixedly provided at the bottom end of the fixed block, a third sliding groove is provided on the base plate, the fifth sliding block is slidably matched with the third sliding groove, a second hydraulic cylinder is provided on one side of the fixed block, the telescopic end of the second hydraulic cylinder is fixedly connected to one side of the fixed block, the other end of the second hydraulic cylinder is fixedly connected to a limiting plate, the bottom end of the limiting plate is fixedly connected to the upper end of the base plate, a second supporting mechanism is provided on the right side of the base plate, and a universal wheel is provided at the bottom end of the base plate.

[0006] As an improvement, the protective mechanism includes a base and a protective plate, the bottom end of the base is fixedly connected to the upper end of the bottom plate, the right side of the base is rotatably connected to a first connecting rod, the left side of the base is provided with a first slide rail, the first slide rail is provided with a first slider, the first slide rail and the first slider are slidably matched, the front of the first slider is rotatably connected to a second connecting rod, the middle part of the first connecting rod and the second connecting rod is rotatably connected, the other ends of the first connecting rod and the second connecting rod are respectively rotatably connected to a third connecting rod and a fourth connecting rod, the third connecting rod and the fourth connecting rod are rotatably connected in the middle, the other end of the fourth connecting rod is rotatably connected to the right side of the bottom end of the protective plate, the left side of the bottom end of the protective plate is fixedly connected to a connecting plate, the connecting plate is provided with a second slide rail, the second slide rail is provided with a second slider, the second slider and the second slide rail are slidably matched, the other end of the third connecting rod is rotatably connected to the second slider, and a first hydraulic cylinder is fixedly provided on the base, and the telescopic end of the first hydraulic cylinder is fixedly connected to one side of the first slider to drive the protective plate to rise and fall to protect the staff.

[0007] As an improvement, the first supporting mechanism includes a shell, a screw is provided in the shell, one end of the screw is rotatably connected to the inner cavity of the shell, the other end of the screw penetrates the shell and extends to the outside of the shell, the screw extends to the outer part of the shell and is fixedly connected to the second hand wheel, a limit block is fixedly provided at the center of the screw, threaded blocks are provided at both ends of the screw surface, connecting rods are rotatably connected on both sides of the two threaded blocks, the other ends of the two connecting rods on the left and the two connecting rods on the right are respectively rotatably connected to the connecting blocks, the upper and lower ends of the two connecting blocks are fixedly provided with a third sliding block, the upper and lower inner walls of the inner cavity of the shell are provided with a first sliding groove, the third sliding groove is slidably matched with the first sliding groove, the outer sides of the two connecting blocks are fixedly connected to support rods, the two support rods respectively penetrate the two sides of the shell and extend to the outside of the two sides of the shell, the two support rods extend to the outer parts of the two sides of the shell and are respectively fixedly connected to the first support plates, and the bottom end of the shell is fixedly connected to a ring to support the staff when they are working.

[0008] As an improvement, the second supporting mechanism includes a motor, which is installed in the base plate, and a gear is connected to the output end of the motor. Racks are provided on the upper and lower sides of the gear, and the two racks are meshed with the gear. A fourth slider is fixed on the back of the two racks, and second slide grooves are provided at the upper and lower ends of the inner cavity of the base plate. The fourth slider slides in cooperation with the second slide groove. The two racks respectively pass through the two sides of the base plate and extend to the outside of the two sides of the base plate. The two racks extend to the outside parts of the two sides of the base plate and are fixedly connected to the second supporting plates to support and fix the device.

[0009] As an improvement, a groove is provided on the left side of the bottom end of the base plate, and a fixing plate is provided in the groove. A bolt is fixedly connected to the top of the fixing plate, and a nut is provided on the upper end of the left side of the base plate. The bolt passes through the base plate and extends to the outside of the base plate. One end of the bolt extending to the outer part of the base plate is fixedly connected to a first hand wheel, and the bolt cooperates with the nut thread, and the fixing plate cooperates with the groove. Anti-slip pads are fixedly provided on the first support plate, the second support plate and the fixing plate to fix the device and make the device more stable.

[0010] The advantages of the utility model compared with the prior art are: by setting up a first supporting mechanism, the staff can be supported when working; by setting up a protective mechanism, the protective plate is located below the staff and cooperates with the first supporting mechanism to protect the staff; the second supporting mechanism can support and fix the device body. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 It is a schematic diagram of the internal structure of the first supporting mechanism of the utility model when viewed from above.

[0013] Figure 3 It is a left view of the internal structure of the first support mechanism of the utility model.

[0014] Figure 4 It is a structural schematic diagram of the second supporting mechanism of the utility model.

[0015] As shown in the figure: 1. bottom plate; 2. protection mechanism; 201. base; 202. first connecting rod; 203. third connecting rod; 204. second connecting rod; 205. fourth connecting rod; 206. protection plate; 207. connecting plate; 208. second slide rail; 209. first slide rail; 210. first slider; 211. first hydraulic cylinder; 212. second slider; 3. universal wheel; 4. first supporting mechanism; 401. shell; 402. threaded block; 403. connecting rod; 404. limit block; 405. connecting block; 406. first slide rail; slot; 407, support rod; 408, first support plate; 409, second hand wheel; 410, third slider; 411, screw; 412, ring; 5, second support mechanism; 501, motor; 502, gear; 503, second slide slot; 504, fourth slider; 505, rack; 506, second support plate; 6, first hand wheel; 7, bolt; 8, nut; 9, groove; 10, fixed plate; 11, electric telescopic rod; 12, fixed block; 13, second hydraulic cylinder; 14, limit plate; 15, fifth slider; 16, third slide slot. DETAILED DESCRIPTION

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0017] The utility model is combined with the elevator maintenance Figures 1 to 4 A support and protection device for elevator maintenance includes a base plate 1, a protection mechanism 2 is provided on the right side of the upper end of the base plate 1, an electric telescopic rod 11 is provided on the left side of the protection mechanism 2, the telescopic end of the electric telescopic rod 11 is rotatably connected to the first support mechanism 4, the other end of the electric telescopic rod 11 is rotatably connected to the fixed block 12, the bottom end of the fixed block 12 is fixedly provided with a fifth slider 15, a third slide groove 16 is provided on the base plate 1, the fifth slider 15 is slidably matched with the third slide groove 16, a second hydraulic cylinder 13 is provided on one side of the fixed block 12, the telescopic end of the second hydraulic cylinder 13 is fixedly connected to one side of the fixed block 12, the other end of the second hydraulic cylinder 13 is fixedly connected to the limit plate 14, the limit plate The bottom end of 14 is fixedly connected with the upper end of the bottom plate 1, a second supporting mechanism 5 is provided on the right side of the bottom plate 1, a universal wheel 3 is provided at the bottom end of the bottom plate 1, a groove 9 is provided on the left side of the bottom end of the bottom plate 1, a fixing plate 10 is provided in the groove 9, a bolt 7 is fixedly connected to the top of the fixing plate 10, a nut 8 is provided on the upper left end of the bottom plate 1, the bolt 7 penetrates the bottom plate 1 and extends to the outside of the bottom plate 1, the bolt 7 extends to one end of the outer part of the bottom plate 1 and is fixedly connected with a first hand wheel 6, the bolt 7 is threadedly matched with the nut 8, the fixing plate 10 is matched with the groove 9, and the first supporting plate 408, the second supporting plate 506 and the fixing plate are all fixedly provided with anti-slip pads to fix the device to make the device more stable.

[0018] The protection mechanism 2 includes a base 201 and a protection plate 206. The bottom end of the base 201 is fixedly connected to the upper end of the bottom plate 1. The right side of the base 201 is rotatably connected to a first connecting rod 202. A first slide rail 209 is provided on the left side of the base 201. A first slider 210 is provided in the first slide rail 209. The first slide rail 209 and the first slider 210 are slidably matched. The front side of the first slider 210 is rotatably connected to a second connecting rod 204. The first connecting rod 202 and the middle part of the second connecting rod 204 are rotatably connected. The other ends of the first connecting rod 202 and the second connecting rod 204 are rotatably connected to a third connecting rod 203 and a fourth connecting rod 205, respectively. The third connecting rod 203 is rotatably connected to the middle part of the fourth connecting rod 205, the other end of the fourth connecting rod 205 is rotatably connected to the right side of the bottom end of the protective plate 206, the left side of the bottom end of the protective plate 206 is fixedly connected with a connecting plate 207, a second slide rail 208 is provided on the connecting plate 207, a second slide rail 208 is provided with a second slider 212, the second slider 212 slides with the second slide rail 208, the other end of the third connecting rod 203 is rotatably connected to the second slider 212, a first hydraulic cylinder 211 is fixedly provided on the base 201, the telescopic end of the first hydraulic cylinder 211 is fixedly connected to one side of the first slider 210, driving the protective plate 206 to rise and fall, so as to protect the staff.

[0019] The first supporting mechanism 4 includes a shell 401, a screw 411 is arranged in the shell 401, one end of the screw 411 is rotatably connected to the inner cavity of the shell 401, the other end of the screw 411 penetrates the shell 401 and extends to the outside of the shell 401, the part of the screw 411 extending to the outside of the shell 401 is fixedly connected to a second hand wheel 409, a limit block 404 is fixedly arranged at the center of the screw 411, threaded blocks 402 are arranged at both ends of the surface of the screw 411, both sides of the two threaded blocks 402 are rotatably connected to connecting rods 403, and the other ends of the two connecting rods 403 on the left and the two connecting rods 403 on the right are rotatably connected to the connecting blocks 409 respectively. 5. The upper and lower ends of the two connecting blocks 405 are fixedly provided with third sliders 410. The upper and lower inner walls of the inner cavity of the shell 401 are both provided with first slide grooves 406. The third sliders 410 slide in cooperation with the first slide grooves 406. The outer sides of the two connecting blocks 405 are fixedly connected with support rods 407. The two support rods 407 respectively penetrate the two sides of the shell 401 and extend to the outer sides of the two sides of the shell 401. The two support rods 407 extend to the outer sides of the two sides of the shell 401 and are respectively fixedly connected with the first support plates 408. The bottom end of the shell 401 is fixedly connected with a ring 412 to support the staff when they are working.

[0020] The second supporting mechanism 5 includes a motor 501, which is installed in the base plate 1. The output end of the motor 501 is connected to a gear 502. Racks 505 are provided on the upper and lower sides of the gear 502. The two racks 505 are meshed with the gear 502. The backs of the two racks 505 are fixed with fourth sliders 504. Second slide grooves 503 are provided at the upper and lower ends of the inner cavity of the base plate 1. The fourth slider 504 slides with the second slide groove 503. The two racks 505 respectively penetrate the two sides of the base plate 1 and extend to the outside of the two sides of the base plate 1. The two racks 505 extend to the outside of the two sides of the base plate 1 and are fixedly connected to second supporting plates 506 to support and fix the device.

[0021] During actual use of the device, when in use, the device is moved to the elevator through the universal wheel 3, the protective plate 206 is located above the elevator car, the motor 501 is started to drive the gear 502 to rotate, drive the two racks 505 to move, thereby driving the two second support plates 506 to move, so that they are in contact with the wall to fix the device, and the first hand wheel 6 is turned to drive the bolt 7 to rotate, drive the fixing plate 10 to move downward and fit with the ground to further fix the device, and the staff stands on the protective plate 206 and starts the first hydraulic cylinder 211 to drive the first connecting rod 202, the second connecting rod 204, the third connecting rod 203 and the fourth connecting rod 204. The connecting rod 205 moves to raise the protective plate 206. After it is raised to an appropriate position, the second hydraulic cylinder 13 is started to drive the fixed block 12 to move, and the electric telescopic rod 11 is started to drive the first supporting mechanism 4 to rise to an appropriate position. The second hand wheel 409 is rotated to drive the screw 411 to rotate, and the two threaded blocks 402 move in opposite directions, and the connecting rods 403 on both sides are driven to move, and the two connecting blocks 405 move to both sides, thereby driving the two supporting rods 407 and the two first supporting plates 408 to move to both sides. The two first supporting plates 408 are in contact with the wall. When working, the rope is hung on the ring 412 to support the staff.

[0022] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A support and protection device for elevator maintenance, comprising a bottom plate (1), characterized in that: A protection mechanism (2) is provided on the right side of the upper end of the base plate (1), and an electric telescopic rod (11) is provided on the left side of the protection mechanism (2). The telescopic end of the electric telescopic rod (11) is rotatably connected to the first supporting mechanism (4). The other end of the electric telescopic rod (11) is rotatably connected to a fixed block (12). A fifth sliding block (15) is fixedly provided at the bottom end of the fixed block (12). A third sliding groove (16) is provided on the base plate (1), and the fifth sliding block (15) is slidably matched with the third sliding groove (16). A second hydraulic cylinder (13) is provided on one side of the fixed block (12), and the telescopic end of the second hydraulic cylinder (13) is fixedly connected to one side of the fixed block (12). The other end of the second hydraulic cylinder (13) is fixedly connected to a limiting plate (14), and the bottom end of the limiting plate (14) is fixedly connected to the upper end of the base plate (1). A second supporting mechanism (5) is provided on the right side of the base plate (1), and a universal wheel (3) is provided at the bottom end of the base plate (1).

2. The support and protection device for elevator maintenance according to claim 1, characterized in that: The protection mechanism (2) comprises a base (201) and a protection plate (206), the bottom end of the base (201) is fixedly connected to the upper end of the bottom plate (1), the right side of the base (201) is rotatably connected to a first connecting rod (202), the left side of the base (201) is provided with a first slide rail (209), a first slider (210) is provided in the first slide rail (209), the first slide rail (209) and the first slider (210) are slidably matched, the front side of the first slider (210) is rotatably connected to a second connecting rod (204), the first connecting rod (202) and the second connecting rod (204) are rotatably connected in the middle, and the other ends of the first connecting rod (202) and the second connecting rod (204) are rotatably connected to a third connecting rod (203) and a fourth connecting rod respectively. (205), the third connecting rod (203) and the fourth connecting rod (205) are rotatably connected in the middle, the other end of the fourth connecting rod (205) is rotatably connected to the right side of the bottom end of the protective plate (206), the left side of the bottom end of the protective plate (206) is fixedly connected with a connecting plate (207), a second slide rail (208) is provided on the connecting plate (207), a second slider (212) is provided in the second slide rail (208), the second slider (212) and the second slide rail (208) are slidably matched, the other end of the third connecting rod (203) is rotatably connected to the second slider (212), a first hydraulic cylinder (211) is fixedly provided on the base (201), and the telescopic end of the first hydraulic cylinder (211) is fixedly connected to one side of the first slider (210).

3. The supporting and protecting device for elevator maintenance according to claim 1, characterized in that: The first supporting mechanism (4) comprises a shell (401), a screw rod (411) is arranged in the shell (401), one end of the screw rod (411) is rotatably connected to the inner cavity of the shell (401), the other end of the screw rod (411) passes through the shell (401) and extends to the outside of the shell (401), the part of the screw rod (411) extending to the outside of the shell (401) is fixedly connected to a second hand wheel (409), a limit block (404) is fixedly arranged at the center of the screw rod (411), thread blocks (402) are arranged at both ends of the surface of the screw rod (411), both sides of the two thread blocks (402) are rotatably connected to connecting rods (403), the other ends of the two connecting rods (403) on the left and the two connecting rods (403) on the right are fixedly connected to the second hand wheel (409), a limit block (404) is fixedly arranged at the center of the screw rod (411), thread blocks (402) are arranged at both ends of the surface of the screw rod (411), and connecting rods (403) are rotatably connected to the two connecting rods (403) on the left and the two connecting rods (403) on the right. One end is rotatably connected with a connecting block (405), and the upper and lower ends of the two connecting blocks (405) are fixedly provided with a third sliding block (410). The upper and lower inner walls of the inner cavity of the shell (401) are provided with a first sliding groove (406), and the third sliding block (410) is slidably matched with the first sliding groove (406). The outer sides of the two connecting blocks (405) are fixedly connected with a support rod (407), and the two support rods (407) respectively penetrate the two sides of the shell (401) and extend to the outer sides of the two sides of the shell (401). The two support rods (407) extend to the outer sides of the two sides of the shell (401) and are fixedly connected with the first support plates (408), and the bottom end of the shell (401) is fixedly connected with a circular ring (412).

4. The supporting and protecting device for elevator maintenance according to claim 3, characterized in that: The second supporting mechanism (5) comprises a motor (501), the motor (501) being installed in the base plate (1), the output end of the motor (501) being connected to a gear (502), the upper and lower sides of the gear (502) being provided with racks (505), the two racks (505) being meshed with the gear (502), the backs of the two racks (505) being fixed with fourth sliders (504), the upper and lower ends of the inner cavity of the base plate (1) being provided with second slide grooves (503), the fourth sliders (504) being slidably matched with the second slide grooves (503), the two racks (505) respectively passing through the two sides of the base plate (1) and extending to the outer sides of the two sides of the base plate (1), the two racks (505) extending to the outer sides of the two sides of the base plate (1) being fixedly connected to second supporting plates (506) respectively.

5. The supporting and protecting device for elevator maintenance according to claim 4, characterized in that: A groove (9) is provided on the left side of the bottom end of the base plate (1), a fixing plate (10) is provided in the groove (9), a bolt (7) is fixedly connected to the top end of the fixing plate (10), a nut (8) is provided on the upper left end of the base plate (1), the bolt (7) passes through the base plate (1) and extends to the outside of the base plate (1), one end of the bolt (7) extending to the outside of the base plate (1) is fixedly connected to a first hand wheel (6), the bolt (7) is threadedly matched with the nut (8), the fixing plate (10) is matched with the groove (9), and anti-slip pads are fixedly provided on the first support plate (408), the second support plate (506) and the fixing plate.

Images