Anti-collision supporting device for elevator maintenance

Abstract

The utility model relates to the technical field of elevator maintenance, in particular to an anti-collision supporting device for elevator maintenance, and adopts the technical scheme that the anti-collision supporting device comprises a lift car, supporting assemblies are fixedly mounted at the four corners of the top of the lift car respectively, each supporting assembly comprises a bottom frame and a top frame, and the bottom frames and the top frames are movably mounted through cross arms; mounting frames are welded and mounted on the two sides of the middle of the top of the lift car correspondingly, reinforcing cross beams penetrate through the opposite sides of the two mounting frames, and the reinforcing cross beams arranged on the top of the lift car are not in contact with the supporting assemblies. The protection device has the advantages of being convenient to install, not influencing the layout of an original dragging system of the elevator and effectively guaranteeing the safety of workers, and solves the problems that an existing protection device is installed on the top of the elevator, so that the elevator dragging system is complex to install and debug and limited in space layout, the elevator operation stability and reliability are influenced, and later-stage maintenance difficulty is increased; and the safety of passengers is even endangered.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator maintenance technical field, concretely is a kind of anti-collision support device for elevator maintenance. BACKGROUND

[0002] In elevator fault maintenance operation, the component maintenance of car roof is the key link.However, at present, part of maintenance personnel when carrying out this operation, is not equipped with perfect protective measures.This safety oversight greatly increases the operation risk of maintenance personnel, and slight carelessness can cause serious safety accidents, endanger the life safety of maintenance personnel.

[0003] After a large amount of retrieval, the patent with publication number CN220906863U discloses an elevator car roof protection device, which comprises a protection frame, a plurality of first supporting rods are uniformly installed on the lower surface of the protection frame, a second supporting rod is slidably connected inside the first supporting rod, an adjusting mechanism is arranged at the center position of the rear end of the lower surface of the protection frame, and a protection top is installed above the protection frame, and a connecting mechanism is arranged at the lower surface of the four corners of the protection top.

[0004] The protective device in the prior art protects the workers by the protection frame, the first supporting rod and the second supporting rod when in use, and ensures safety.However, the elevator also needs to be controlled in lifting by the corresponding dragging mechanism when in operation, and the protective device in the above-mentioned technology is installed on the top of the elevator, which makes it difficult to install the corresponding device on the elevator.This not only makes the installation and debugging of the original dragging system of the elevator extremely complex, increases the installation cost and time, but also may cause unreasonable layout of the dragging mechanism due to limited installation space, affects the stability and reliability of the elevator operation.Over time, it will frequently cause elevator failure, reduce the service life of the elevator, and also bring great difficulty to the later maintenance work, and even may endanger the safety of passengers in serious cases.Therefore, an anti-collision support device for elevator maintenance is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an anti-collision support device for elevator maintenance, which has the advantages of convenient installation, does not affect the layout of the original dragging system of the elevator and can effectively protect the safety of workers, solves the problems that the installation of the existing protective device on the top of the elevator causes complex installation and debugging of the dragging system of the elevator, limited space layout, further affects the stability and reliability of the elevator operation, increases the difficulty of later maintenance and even endangers the safety of passengers.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: an anti -collision support device for elevator maintenance, car top four corners respectively fixed installation has support subassembly, support subassembly includes chassis and roof, chassis and roof are through cross arm swing installation, car top middle two sides respectively weld installation has mounting bracket, two mounting bracket opposite side has reinforcing crossbeam to pass, car top set reinforcing crossbeam and support subassembly do not contact.

[0007] Preferably, the car is designed by welding stainless steel plate, and the front of the car is provided with a hollow and welded with a car door.

[0008] The car is designed by welding stainless steel plate, which has high strength and corrosion resistance, and can ensure the structural stability and safety of the car during long-term use. The front is provided with a hollow and welded with a car door, which facilitates personnel access to the car. This design meets the conventional use requirements of the car and ensures the basic functions of the elevator.

[0009] Preferably, the first sliding slot is formed in the front end of the two sides of the chassis, and the first sliding rod is slidably installed in the first sliding slot. The first positioning rod is fixedly installed in the rear end of the inner side of the chassis, and the first weight reduction groove is formed in the bottom of the chassis.

[0010] The first sliding slot is formed in the front end of the two sides of the chassis and the first sliding rod is installed, so that the front end of the cross arm bottom can slide on the chassis flexibly. The first positioning rod is fixedly installed in the rear end of the inner side of the chassis, which provides a stable rotating fulcrum for the rear end of the cross arm bottom and ensures the stability of the cross arm during movement. The first weight reduction groove is formed in the bottom, which reduces the weight of the chassis without affecting the structural strength of the chassis, reduces the load of the whole device, and saves material cost.

[0011] Preferably, the second sliding slot is formed in the front end of the two sides of the chassis, and the second sliding rod is slidably installed in the second sliding slot. The second positioning rod is fixedly installed in the rear end of the inner side of the chassis, and the second weight reduction groove is formed in the top of the chassis.

[0012] The second sliding slot is formed in the front end of the two sides of the chassis and the second sliding rod is installed, which cooperates with the first sliding slot and the first sliding rod of the chassis to realize the movement of the cross arm and control the height change of the support subassembly. The second positioning rod is fixedly installed in the rear end of the inner side of the chassis, which provides a rotating fulcrum for the rear end of the top of the cross arm and ensures the rotating stability of the cross arm at the top. The second weight reduction groove is formed in the top, which reduces the weight on the basis of ensuring the structural strength of the chassis and optimizes the overall performance of the device.

[0013] Preferably, the middle section of the second sliding rod is fixedly installed with a connecting seat, a screw hole is formed in the connecting seat, an adjusting screw is threadedly installed in the screw hole, the front end of the adjusting screw penetrates through the top frame and is transmissionally installed with a servo motor, and the servo motor is fixedly connected with the top frame.

[0014] In the design, the middle section of the second sliding rod is fixedly installed with a connecting seat, the adjusting screw is threadedly matched with the connecting seat, the servo motor drives the adjusting screw to rotate, and thus the second sliding rod is accurately controlled.

[0015] Preferably, the middle section of the second positioning rod is fixedly installed with a rotating seat, a bearing is embeddedly installed in the rotating seat and is rotationally connected with the rear end of the adjusting screw.

[0016] In the design, the middle section of the second positioning rod is fixedly installed with a rotating seat, a bearing is embeddedly installed in the rotating seat and is rotationally connected with the rear end of the adjusting screw, and thus the adjusting screw is stably supported, the shaking and friction of the adjusting screw during rotation are reduced, and the service life of the adjusting screw and related components is prolonged.

[0017] Preferably, the bottom front end of the cross arm is rotationally connected with the first sliding rod, the bottom rear end of the cross arm is rotationally connected with the first positioning rod, the top front end of the cross arm is rotationally connected with the second sliding rod, and the top rear end of the cross arm is rotationally connected with the second positioning rod.

[0018] In the design, the bottom front end of the cross arm is rotationally connected with the first sliding rod, the bottom rear end of the cross arm is rotationally connected with the first positioning rod, the top front end of the cross arm is rotationally connected with the second sliding rod, and the top rear end of the cross arm is rotationally connected with the second positioning rod, and thus the cross arm can flexibly change the angle, and the expansion and contraction of the supporting assembly are realized through the movement of the cross arm.

[0019] Compared with the prior art, the device has the following beneficial effects:

[0020] The utility model discloses a support assembly is fixedly installed at the four corners of the top of the car, and the protective device is installed in the overall area of the top of the elevator in prior art, so that the installation position is clear and concentrated, and the convenience of installation is greatly improved.

[0021] Meanwhile, the mounting frame is welded and installed at the middle of the top of the car, and the reinforcing cross beam arranged at the top does not contact the support assembly, which further shows that the installation and operation of the support assembly will not interfere with the original traction system of the elevator, and the stability and reliability of the elevator operation are ensured.

[0022] In summary, the utility model solves the problem that the existing protective device installed on the top of the elevator causes the installation and debugging of the elevator traction system to be complex, the space layout to be limited, and the elevator operation stability and reliability to be affected, and the difficulty of later maintenance is increased, and even the safety of passengers is endangered, achieves the effect of convenient installation, does not affect the original layout of the elevator traction system, and effectively ensures the safety of workers. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the front view structure schematic drawing of the utility model;

[0024] Figure 2 It is the car structure schematic drawing of the utility model;

[0025] Figure 3 It is the bottom frame connecting structure schematic drawing of the utility model;

[0026] Figure 4 It is the top frame connecting structure schematic drawing of the utility model.

[0027] In the drawing: 1, car;11, mounting frame;12, car door;2, support assembly;21, bottom frame;211, first sliding groove;212, cross arm;213, first lightening groove;214, first positioning rod;215, first sliding rod;22, top frame;221, second positioning rod;222, second sliding groove;223, servo motor;224, adjusting lead screw;225, second sliding rod;226, second lightening groove. DETAILED DESCRIPTION

[0028] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0029] Embodiment one

[0030] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the utility model provides an embodiment: a kind of anti-collision support device for elevator maintenance, including car 1, car 1 top four corners are respectively fixedly installed with support assembly 2, support assembly 2 includes chassis 21 and top frame 22, chassis 21 is movably installed with top frame 22 by cross arm 212;Car 1 top middle two sides are respectively welded with mounting bracket 11, and the opposite side of two mounting brackets 11 has reinforcing beam to pass through, and the reinforcing beam arranged on the top of car 1 is not in contact with support assembly 2.

[0031] Specifically, by fixing and installing support assembly 2 at car 1 top four corners, rather than installing protective device on the whole area of elevator top as prior art, so that installation position is clear and concentrated, greatly improve the convenience of installation.Support assembly 2 is movably installed by chassis 21 and top frame 22 through cross arm 212, this structure is relatively independent, when installing, no need to disassemble or adjust related parts of original elevator dragging system in large scale, avoid complex influence on original elevator dragging system installation and debugging, will not cause installation space to be limited, thereby guarantee the rationality of original elevator dragging system layout.

[0032] Meanwhile, car 1 top middle two sides are welded with mounting bracket 11, and the reinforcing beam arranged on the top is not in contact with support assembly 2, which further illustrates that the installation and operation of support assembly 2 will not interfere with the original elevator dragging system, and the stability and reliability of the elevator operation are ensured.When maintenance personnel carry out elevator maintenance work, the unfolded support assembly 2 can form an effective protection area on the top of car 1, providing anti-collision protection for the staff, effectively ensuring the safety of the staff.

[0033] In summary, the utility model solves the problem that the existing protective device installed on the top of the elevator causes the installation and debugging of the elevator dragging system to be complex, the space layout to be limited, which further affects the stability and reliability of the elevator operation, increases the difficulty of later maintenance, and even endangers the safety of passengers, achieves the effects of convenient installation, does not affect the layout of the original elevator dragging system, and effectively ensures the safety of the staff.

[0034] Embodiment Two

[0035] In order to improve the stability of the support assembly when in use, as shown in Figure 3 and Figure 4 In this embodiment, the car 1 is designed by welding stainless steel plates, and the car 1 is provided with a hollow on the front and welded with a car door 12.

[0036] In the design, the car 1 is designed by welding stainless steel plates, which has high strength and corrosion resistance, and can ensure the structural stability and safety of the car 1 during long-term use. The front is provided with a hollow and welded with a car door 12, which facilitates personnel access to the car 1. This design meets the regular use requirements of the car 1 and ensures the basic functions of the elevator.

[0037] Further, the first sliding slot 211 is formed at the front end of the bottom frame 21 on both sides, and the first sliding rod 215 is slidably installed in the first sliding slot 211. The first positioning rod 214 is fixedly installed in the hole formed in the inner side rear end of the bottom frame 21, and the first weight reduction groove 213 is formed in the bottom of the bottom frame 21.

[0038] In the design, the first sliding slot 211 is formed at the front end of the bottom frame 21 on both sides and the first sliding rod 215 is installed, so that the bottom front end of the cross arm 212 can slide flexibly on the bottom frame 21, and the expansion and contraction functions of the support assembly 2 are realized by cooperating with the rotation of the cross arm 212. The first positioning rod 214 is fixedly installed in the hole formed in the inner side rear end of the bottom frame 21, which provides a stable rotation fulcrum for the bottom rear end of the cross arm 212 and ensures the stability of the cross arm 212 during movement. The first weight reduction groove 213 is formed in the bottom, which reduces the weight of the bottom frame 21 without affecting the structural strength of the bottom frame 21, reduces the load of the entire device, and also saves material cost.

[0039] Further, the second sliding slot 222 is formed at the front end of the top frame 22 on both sides, and the second sliding rod 225 is slidably installed in the second sliding slot 222. The second positioning rod 221 is fixedly installed in the hole formed in the inner side rear end of the top frame 22, and the second weight reduction groove 226 is formed in the top of the top frame 22.

[0040] In the design, the second sliding slot 222 is formed at the front end of the top frame 22 on both sides and the second sliding rod 225 is installed, which cooperates with the first sliding slot 211 and the first sliding rod 215 of the bottom frame 21 to realize the movement of the cross arm 212 and control the height change of the support assembly 2. The second positioning rod 221 is fixedly installed in the hole formed in the inner side rear end of the top frame 22, which provides a rotation fulcrum for the top rear end of the cross arm 212 and ensures the rotation stability of the cross arm 212 at the top. The second weight reduction groove 226 is formed in the top, which also reduces the weight on the basis of ensuring the structural strength of the top frame 22, and optimizes the overall performance of the device.

[0041] Further, the middle section of the second sliding rod 225 is fixedly installed with a connecting seat, a screw hole is formed in the connecting seat, and an adjusting lead screw 224 is threadedly installed in the screw hole, the front end of the adjusting lead screw 224 penetrates through the top frame 22 and is drivingly installed with a servo motor 223, and the servo motor 223 is fixedly connected with the top frame 22.

[0042] In the design, the middle section of the second sliding rod 225 is fixedly installed with a connecting seat, the adjusting lead screw 224 is threadedly matched with the connecting seat, the servo motor 223 drives the adjusting lead screw 224 to rotate, and the precise control of the second sliding rod 225 is realized. This transmission mode makes the expansion and contraction operation of the supporting assembly 2 more convenient and efficient, and the suitable protection height can be quickly adjusted. At the same time, the precise control of the servo motor 223 can ensure the consistency and accuracy of each adjustment, and the reliability of the device is improved.

[0043] Further, the middle section of the second positioning rod 221 is fixedly installed with a rotating seat, a bearing is embeddedly installed in the rotating seat, and the rear end of the adjusting lead screw 224 is rotatably connected with the rotating seat.

[0044] In the design, the middle section of the second positioning rod 221 is fixedly installed with a rotating seat, a bearing is embeddedly installed in the rotating seat, and the rear end of the adjusting lead screw 224 is rotatably connected with the rotating seat. The rotating seat provides stable support for the adjusting lead screw 224, reduces the shaking and friction of the adjusting lead screw 224 during rotation, and prolongs the service life of the adjusting lead screw 224 and related components. This design improves the stability and reliability of the entire transmission system, ensuring the normal operation of the supporting assembly 2.

[0045] Further, the bottom front end of the cross arm 212 is rotatably connected with the first sliding rod 215, the bottom rear end of the cross arm 212 is rotatably connected with the first positioning rod 214, the top front end of the cross arm 212 is rotatably connected with the second sliding rod 225, and the top rear end of the cross arm 212 is rotatably connected with the second positioning rod 221.

[0046] In the design, the bottom front end of the cross arm 212 is rotatably connected with the first sliding rod 215, the bottom rear end of the cross arm 212 is rotatably connected with the first positioning rod 214, the top front end of the cross arm 212 is rotatably connected with the second sliding rod 225, and the top rear end of the cross arm 212 is rotatably connected with the second positioning rod 221. This connection mode enables the cross arm 212 to flexibly change the angle, and the expansion and contraction of the supporting assembly 2 are realized through the movement of the cross arm 212. At the same time, this multi-connection point design ensures the structural stability of the supporting assembly 2 in different states, providing reliable anti-collision protection for maintenance personnel.

[0047] The utility model discloses use, before maintaining the elevator, ensure that car 1 has stopped running and is in the safe state. Check whether the support assembly 2 fixedly installed at the top four corners of car 1 and the mounting frame 11 and its related parts of the top middle two sides of car 1 are intact, and whether each connecting part is fastened. Open the servo motor 223 on the top frame 22, and the servo motor 223 drives the adjusting lead screw 224 to rotate. Because the adjusting lead screw 224 is in threaded cooperation with the connecting seat on the second sliding rod 225, with the rotation of the adjusting lead screw 224, the second sliding rod 225 slides in the second sliding groove 222. The movement of the second sliding rod 225 drives the top front end of the cross arm 212 to move, because the bottom front end of the cross arm 212 is rotationally connected with the first sliding rod 215, the bottom rear end is rotationally connected with the first positioning rod 214, and the top rear end is rotationally connected with the second positioning rod 221, so the cross arm 212 will change the angle, and then push the first sliding rod 215 to slide in the first sliding groove 211, so that the whole support assembly 2 gradually expands from the contracted state, and the top frame 22 gradually rises until reaching the appropriate protection height. When the support assembly 2 expands to the appropriate position and is stable, the maintenance personnel can carry out the maintenance work on the top of car 1. At this time, the support assembly 2 composed of the bottom frame 21, the top frame 22 and the cross arm 212 can provide anti-collision protection for the maintenance personnel, and will not interfere with the original dragging system of the elevator.

[0048] After the maintenance work is completed, the servo motor 223 is started again, so that it reverses, drives the adjusting lead screw 224 to reverse rotation, the second sliding rod 225 reverses sliding, the cross arm 212 drives the first sliding rod 215 to also reverse sliding, the support assembly 2 gradually contracts, the top frame 22 descends, and returns to the initial state, so that the elevator can normally operate.

[0049] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. An anti-collision support device for elevator maintenance, comprising a car (1), wherein a support assembly (2) is fixedly installed at each of the four corners of the top of the car (1), characterized in that: the support assembly (2) comprises a bottom frame (21) and a top frame (22), and the bottom frame (21) and the top frame (22) are movably installed through a cross arm (212); two mounting racks (11) are welded and installed on both sides of the middle of the top of the car (1), and a reinforcing beam passes through the opposite side of the two mounting racks (11), and the reinforcing beam arranged on the top of the car (1) does not contact the support assembly (2).

2. The anti-collision support device for elevator maintenance according to claim 1, characterized by, The car (1) is designed by welding stainless steel plates, and the front of the car (1) is provided with a hollow and welded car door (12).

3. The anti-collision support device for elevator maintenance according to claim 1, characterized by, First sliding grooves (211) are formed at the front ends of both sides of the bottom frame (21), first sliding rods (215) are slidably installed in the first sliding grooves (211), first positioning rods (214) are fixedly installed in the rear end holes of the inner sides of the bottom frame (21), and first weight reduction grooves (213) are formed in the bottom of the bottom frame (21).

4. The anti-collision support device for elevator maintenance according to claim 1, characterized by, Second sliding grooves (222) are formed at the front ends of both sides of the top frame (22), second sliding rods (225) are slidably installed in the second sliding grooves (222), second positioning rods (221) are fixedly installed in the rear end holes of the inner sides of the top frame (22), and second weight reduction grooves (226) are formed in the top of the top frame (22).

5. The anti-collision support device for elevator maintenance according to claim 4, characterized by A connecting seat is fixedly installed in the middle of the second sliding rod (225), screw holes are formed in the connecting seat, and an adjusting lead screw (224) is threadedly installed in the screw holes, the front end of the adjusting lead screw (224) passes through the top frame (22) and is drivingly installed with a servo motor (223), and the servo motor (223) is fixedly connected with the top frame (22).

6. The anti-collision support device for elevator maintenance according to claim 4, characterized by A rotating seat is fixedly installed in the middle of the second positioning rod (221), a bearing is embeddedly installed in the rotating seat, and the rear end of the adjusting lead screw (224) is rotatably connected with the bearing.

7. The anti-collision support device for elevator maintenance according to claim 1, characterized by The bottom front end of the cross arm (212) is rotatably connected with the first sliding rod (215), the bottom rear end of the cross arm (212) is rotatably connected with the first positioning rod (214), the top front end of the cross arm (212) is rotatably connected with the second sliding rod (225), and the top rear end of the cross arm (212) is rotatably connected with the second positioning rod (221).

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