Maintenance device for electrical equipment of crane

Abstract

The invention provides a crane electrical equipment maintenance device, and relates to the field of crane electrical equipment, and the crane electrical equipment maintenance device is characterized in that a maintenance device body is provided with a protective fence frame, the maintenance device body is provided with a stabilizing mechanism, the stabilizing mechanism comprises a pair of fixed bins, toothed bars are slidably installed in the fixed bins, and the toothed bars are connected with the protective fence frame. And a first rotating rod is rotationally mounted in the fixed bin, and a gear is mounted on the first rotating rod. The lifting device has the advantages that by arranging corresponding mechanisms, the lifting device has a stable lifting function, the problem of center-of-gravity shift caused by instantaneous lifting is avoided, the stability and safety during operation are remarkably improved, the personal safety of workers is guaranteed, meanwhile, a special tool platform is additionally arranged, tools can be conveniently transported, and the working efficiency is improved. The operation frequency that workers take and place tools repeatedly is reduced, the maintenance efficiency is improved, potential safety hazards caused by frequent operation are reduced, and the overall design is more user-friendly.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of crane electrical equipment, in particular to a crane electrical equipment maintenance device. BACKGROUND

[0002] The crane electrical equipment is the core control system of the crane, responsible for driving, control and safety protection, mainly including motor, frequency conversion speed regulation device, PLC controller, contactor, limit switch, brake unit and sensor components, through the electrical transmission system to realize the precise speed regulation and smooth start-stop of lifting, walking and rotating, equipped with overload, short circuit, open phase protection and emergency stop function to ensure operation safety. Modern equipment adopts intelligent technology such as remote monitoring, fault diagnosis and energy feedback, taking into account the efficient and energy saving needs, widely used in port, construction, manufacturing and other heavy load conditions.

[0003] At present, the crane electrical equipment needs to be maintained regularly, and the electrical equipment is usually installed at a high position. In order to facilitate the maintenance of the equipment, a lifting device is usually used. The existing lifting device is relatively single. When the worker stands on the lifting platform and rises, instantaneous lifting may occur. In the process of rising, the center of gravity is offset and not stable, which is easy to produce shaking, so that the personal safety of the worker will be threatened. At the same time, the lifting device in the prior art does not have a platform for placing tools, so that the worker needs to repeatedly operate the lifting platform to take tools for maintenance, which not only reduces the maintenance efficiency, but also increases the safety hazard of frequent operation. SUMMARY

[0004] The purpose of the present application is to provide a crane electrical equipment maintenance device, which solves the problem that the lifting device does not have stability when the crane electrical equipment is maintained in the prior art, is easy to produce shaking, and may cause the personal safety of the worker to be threatened, and does not have a platform for placing tools, and repeatedly operating the lifting device to take tools will reduce the maintenance efficiency.

[0005] In order to achieve the above-mentioned purpose of the application, the technical scheme adopted by the present application is as follows: a crane electrical equipment maintenance device, characterized in that it comprises: a maintenance device body, a protective fence is arranged on the maintenance device body;

[0006] A stabilizing mechanism is installed on the maintenance device body, the stabilizing mechanism comprises a pair of fixed bins, a toothed rod is slidably installed in the fixed bin, a first rotating rod is rotatably installed in the fixed bin, a gear is installed on the first rotating rod, the gear is engaged with the toothed rod, one end of the first rotating rod on one side penetrates through the fixed bin, a ratchet wheel is installed on the first rotating rod, a pawl is rotatably installed on one side of the fixed bin, and the pawl is engaged with the ratchet wheel;

[0007] The fixing bin has a supporting effect, facilitates sliding installation of the tooth rod, facilitates sliding according to the lifting of the maintenance device body, thereby facilitating stability of the guard rail frame and the supporting frame, force balance, facilitates rotation according to driving of the gear, facilitates driving of the first rotating rod, facilitates rotation according to movement of the tooth rod, facilitates rotation according to the first rotating rod, thereby facilitating driving of the pawl to realize the driving effect, and facilitates control of the ratchet wheel to enable the ratchet wheel to rotate in one direction.

[0008] The maintenance device body is provided with a buffer mechanism, the buffer mechanism comprises a supporting frame, the guard rail frame is slidingly installed on the supporting frame, the supporting frame is provided with a first sliding groove matched with the guard rail frame, and a pair of hinged rods are hingedly installed below the guard rail frame.

[0009] The supporting frame has a supporting effect, facilitates stable installation of the guard rail frame, and the hinged rod facilitates pushing of the sliding plate according to a floating range of the guard rail frame.

[0010] The maintenance device body is provided with a transportation mechanism, the transportation mechanism comprises a winding frame, a second rotating rod is rotatably installed between the winding frame, and a rope is sleeved on the second rotating rod.

[0011] The winding frame has a supporting effect, facilitates rotating installation of the second rotating rod, facilitates rotation of the rope according to the second rotating rod, and facilitates lifting and contraction.

[0012] As an improvement, the pawl is provided with a torsion spring matched with the pawl.

[0013] The torsion spring facilitates control of the pawl, thereby enabling the pawl to clamp the ratchet wheel.

[0014] A pair of sliding plates are slidingly installed in the supporting frame, and the supporting frame is provided with a second sliding groove matched with the sliding plate.

[0015] The sliding plate facilitates sliding according to pushing of the hinged rod, thereby facilitating contraction or elongation of the spring.

[0016] The other end of the hinged rod is connected with the sliding plate, and a spring is connected between the pair of sliding plates.

[0017] The spring has a buffering effect, enables the guard rail frame to float at a uniform speed, and thereby guarantees safety of workers standing in the guard rail frame.

[0018] The first tool basket is arranged under the rope, and the motor is arranged on the reel frame and connected with the second rotating rod.

[0019] The first tool basket is arranged under the rope, and the motor is arranged on the reel frame and connected with the second rotating rod.

[0020] The second tool basket is arranged on the guard rail frame and fixed by bolts and nuts.

[0021] The present application has the advantages that: through the arrangement of the corresponding mechanism, it has the function of stable lifting, avoids the problem of center of gravity deviation caused by instantaneous lifting, significantly improves the stability and safety during operation, protects the personal safety of workers, and at the same time, the special tool platform is added, which facilitates the transportation of tools, reduces the operation frequency of workers repeatedly taking and placing tools, improves the maintenance efficiency, reduces the safety hidden danger caused by frequent operation, and the overall design is more humanized. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a front view of the crane electrical equipment maintenance device.

[0023] Figure 2 It is a left view of the crane electrical equipment maintenance device.

[0024] Figure 3 It is a perspective view of the crane electrical equipment maintenance device.

[0025] Figure 4 It is Figure 3 It is a structure schematic view of A in the middle.

[0026] In the figure: 1, maintenance device body; 101, guard rail frame; 2, stabilizing mechanism; 201, fixed bin; 202, toothed rod; 203, first rotating rod; 204, gear; 205, ratchet; 206, pawl; 207, torsional spring; 3, buffer mechanism; 301, support frame; 302, hinged rod; 303, sliding plate; 304, spring; 4, transportation mechanism; 401, reel frame; 402, second rotating rod; 403, rope; 404, first tool basket; 405, motor; 406, second tool basket. DETAILED DESCRIPTION

[0027] In order to make the content of the present application easier to be clearly understood, the technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. The same parts are denoted by the same reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular part.

[0028] As shown in Figures 1 to 4 A crane electrical equipment overhauling device is characterized in that it comprises an overhauling device body 1, and a protective fence frame 101 is arranged on the overhauling device body 1.

[0029] As shown in Figures 1 to 4 A stabilizing mechanism 2 is arranged on the overhauling device body 1, and the stabilizing mechanism 2 comprises a pair of fixing bins 201, a toothed rod 202 is slidingly arranged in the fixing bin 201, a first rotating rod 203 is rotatably arranged in the fixing bin 201, a gear 204 is arranged on the first rotating rod 203, the gear 204 is engaged with the toothed rod 202, one end of the first rotating rod 203 penetrates through the fixing bin 201, a ratchet wheel 205 is arranged on the first rotating rod 203, and a pawl 206 is rotatably arranged on one side of the fixing bin 201 and engaged with the ratchet wheel 205. The fixing bin 201 has a supporting effect, facilitating the sliding arrangement of the toothed rod 202, and facilitating the sliding effect of the toothed rod 202 according to the rising of the overhauling device body 1, so as to facilitate the stability of the protective fence frame 101 and the supporting frame 301, balance the force, facilitate the rotation of the first rotating rod 203 according to the driving of the gear 204, facilitate the driving effect of the rotation of the first rotating rod 203, facilitate the rotation of the gear 204 according to the movement of the toothed rod 202, facilitate the rotation of the ratchet wheel 205 according to the first rotating rod 203, so as to facilitate the driving effect of the pawl 206, and facilitate the control of the ratchet wheel 205 to rotate in one direction.

[0030] As shown in Figures 1 to 4 A buffering mechanism 3 is arranged on the overhauling device body 1, and the buffering mechanism 3 comprises a supporting frame 301, the protective fence frame 101 is slidingly arranged on the supporting frame 301, a first sliding groove matched with the protective fence frame 101 is formed in the supporting frame 301, and a pair of hinged rods 302 is hingedly arranged below the protective fence frame 101. The supporting frame 301 has a supporting effect, facilitating the stable arrangement of the protective fence frame 101, and the hinged rods 302 facilitate the pushing effect of the sliding plate 303 by the floating range of the protective fence frame 101.

[0031] As shown in Figures 1 to 4As shown, the maintenance device body 1 is installed with a conveying mechanism 4, the conveying mechanism 4 includes a reel 401, the reel 401 is rotatably installed with a second rotating rod 402, the second rotating rod 402 is sleeved with a rope 403. The reel 401 has the supporting effect, the second rotating rod 402 is rotatably installed, the second rotating rod 402 drives the rotation of the rope 403, and the rope 403 is installed to realize the lifting and contraction.

[0032] As shown in the figure, Figures 1 to 4 The pawl 206 is provided with a torsion spring 207 matched with the pawl 206. The torsion spring 207 is used for controlling the pawl 206, so that the pawl 206 is clamped on the ratchet wheel 205.

[0033] As shown in the figure, Figures 1 to 4 The support frame 301 is slidably installed with a pair of sliding plates 303, and the support frame 301 is provided with a second sliding groove matched with the sliding plate 303. The sliding plate 303 is used for sliding according to the pushing of the hinged rod 302, so that the spring 304 is retracted or lengthened. The other end of the hinged rod 302 is connected with the sliding plate 303, and the pair of sliding plates 303 are connected with the spring 304. The spring 304 has the buffering effect, so that the size of the guardrail frame 101 is uniform, and the safety of the worker standing in the guardrail frame 101 is ensured.

[0034] As shown in the figure, Figures 1 to 4 The rope 403 is installed with a first tool basket 404, the reel 401 is installed with a motor 405, and the motor 405 is connected with the second rotating rod 402. The first tool basket 404 is used for conveying the tools needed to be transmitted to the guardrail frame 101, and provides space for placing the tools. The guardrail frame 101 is provided with a second tool basket 406, and the second tool basket 406 is fixed by bolts and nuts.

[0035] In use, the worker stands in the guard rail frame 101, then when the maintenance device body 1 drives the guard rail frame 101 to rise, the guard rail frame 101 will be squeezed against the pair of sliding plates 303 through the hinged rod 302 when rising, so that the spring 304 is contracted, and the buffering effect is realized, so as to ensure the safety of the worker, when the maintenance device body 1 drives the guard rail frame 101 to rise, in order to make the force more balanced, so the guard rail frame 101 will drive the toothed rod 202 to slide in the fixed bin 201 during rising, so as to drive the rotation of the gear 204, when the gear 204 rotates, the rotation of the ratchet wheel 205 is driven, so that the pawl 206 is clamped to the ratchet wheel 205 through the rotation of the ratchet wheel 205, and the rotation of the ratchet wheel 205 is controlled through the rotation of the torsion spring 207, so that the ratchet wheel 205 can only rotate in one direction, so as to ensure that the guard rail frame 101 is more stable when driven by the maintenance device body 1, and reduce the occurrence of unstable conditions.

[0036] When the tool is needed, the worker does not need to get down from the guard rail frame 101, and the second rotating rod 402 is driven to rotate by the motor 405, so that the second rotating rod 402 drives the rope 403 to descend, and the tool is placed in the first tool basket 404 with the help of others, and the reverse operation of the conveying mechanism 4 can transport the tool to the guard rail frame 101, so as to improve the efficiency of maintenance.

[0037] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A crane electrical equipment maintenance device, characterized in that, include: The maintenance device body (1) is provided with a protective railing (101); A stabilizing mechanism (2) is installed on the main body (1) of the maintenance device. The stabilizing mechanism (2) includes a pair of fixed chambers (201). A rack (202) is slidably installed in the fixed chamber (201). A first rotating rod (203) is rotatably installed in the fixed chamber (201). A gear (204) is installed on the first rotating rod (203). The gear (204) meshes with the rack (202). One end of the first rotating rod (203) passes through the fixed chamber (201) on one side. A ratchet (205) is installed on the first rotating rod (203). A pawl (206) is rotatably installed on the fixed chamber (201) on one side. The pawl (206) meshes with the ratchet (205). A buffer mechanism (3) is installed on the main body (1) of the maintenance device. The buffer mechanism (3) includes a support frame (301). The guardrail (101) is slidably installed on the support frame (301). A first sliding groove matching the guardrail (101) is chiseled in the support frame (301). A pair of hinge rods (302) are hingedly installed under the guardrail (101). The transport mechanism (4) is installed on the main body (1) of the maintenance device. The transport mechanism (4) includes a reel (401), and a second rotating rod (402) is rotatably installed between the reel (401). A rope (403) is sleeved on the second rotating rod (402).

2. The crane electrical equipment maintenance device according to claim 1, characterized in that, The pawl (206) is provided with a torsion spring (207), which is matched with the pawl (206).

3. A crane electrical equipment maintenance device according to claim 1, characterized in that, A pair of sliding plates (303) are slidably installed inside the support frame (301), and a second sliding groove matching the sliding plate (303) is carved inside the support frame (301).

4. A crane electrical equipment maintenance device according to claim 3, characterized in that, The other end of the hinge rod (302) is connected to the sliding plate (303), and a spring (304) is connected between a pair of sliding plates (303).

5. A crane electrical equipment maintenance device according to claim 1, characterized in that, A first tool basket (404) is installed under the rope (403), and a motor (405) is installed on the reel (401). The motor (405) is connected to the second rotating rod (402).

6. A crane electrical equipment maintenance device according to claim 1, characterized in that, The guardrail (101) is provided with a second tool basket (406), which is fixed by bolts and nuts.

Images