Hoisting tool for inverter replacement

Abstract

The utility model discloses a hoisting tool for inverter replacement, which comprises support legs and a hanging bracket assembly, the top of the hanging bracket assembly is fixedly mounted with the top of a transverse plate, the hanging bracket assembly comprises an electric telescopic rod, a chain wheel, a chain, a movable plate and a support frame, and the bottom of the electric telescopic rod is fixedly mounted with the top of the transverse plate. One end of the chain is fixedly connected with the top of the transverse plate, the other end of the chain is fixedly connected with the top of the movable plate and meshed with the outer surface of the chain wheel, and the end of the supporting frame is fixedly installed on the side face of the movable plate in the width direction. Through the arrangement of the hanging bracket assembly, when the inverter needs to be replaced, a worker can control the supporting frame to move upwards, so that the top of the connected supporting frame makes contact with and abuts against the bottom of the inverter, the supporting effect is provided for the inverter, the inverter can be replaced conveniently through the assistance of the device, and the replacement efficiency of the inverter is improved. And personnel participation and actual working intensity are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting tools, and more specifically, to a lifting tool for replacing an inverter. Background Art

[0002] The inverter is a key device used in solar panel systems to convert direct current into alternating current. Photovoltaic block inverters are usually large in size. Current technology usually requires multiple workers to work together when an inverter fails and needs to be replaced. They need to lift and support the inverter equipment, remove the faulty equipment from a high place, and then install the new equipment. This process not only increases the labor intensity of the replacement operation, but also when there is a shortage of manpower, due to lack of sufficient support, the faulty equipment may not be replaced in time, which may affect the power generation efficiency of the photovoltaic block, resulting in a loss of actual power generation. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a lifting tool for replacing an inverter, so as to solve the problem that in the prior art, the replacement of the inverter equipment not only requires the cooperation of multiple persons but also increases the labor intensity of the replacement operation.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a lifting tool for inverter replacement, comprising:

[0005] Bracket feet, the number of the bracket feet is two, and a horizontal plate is fixedly installed in the middle of the two bracket feet, and a fixing plate is fixedly installed on the top of the two bracket feet;

[0006] A hanger assembly, the top of which is fixedly mounted on the top of the cross plate, the hanger assembly comprising an electric telescopic rod, a sprocket, a chain, a movable plate, and a support frame, the bottom of the electric telescopic rod being fixedly mounted on the top of the cross plate, the side end of the middle portion of the sprocket being rotatably mounted on the inner surface of the top of the electric telescopic rod, one end of the chain being fixedly connected to the top of the cross plate, the other end being fixedly connected to the top of the movable plate, and meshing with the outer surface of the sprocket, the end of the support frame being fixedly mounted on the side surface of the movable plate in the width direction.

[0007] Wherein, it also includes a fixing component, the number of which is two, and the two fixing components are respectively arranged in the middle of the two fixing plates.

[0008] Among them, the hanger assembly also includes a limit rod and a top plate. The bottom of the limit rod is fixedly installed on the top of the bracket foot, and the outer surface is fixedly installed on the inner surface of the fixed plate. The outer surface of the limit rod is slidably installed on the inner surface of the end of the movable plate, and the top plate is arranged on the top of the limit rod.

[0009] Among them, the fixing assembly includes a threaded rod, a sleeve, gear one, a motor, and gear two. The outer surface of the top end of the threaded rod is rotatably mounted on the inner surface of the fixing plate, the inner surface of the sleeve is threadedly connected to the outer surface of the threaded rod, the middle part of gear one is fixedly mounted on the top of the threaded rod, the output end of the motor is fixedly mounted on the middle part of gear two, and gear two and gear one are meshed with each other.

[0010] Among them, the fixing assembly also includes a cone head and a limiting ring. The top of the cone head is fixedly installed on the bottom of the sleeve, the side end of the limiting ring is fixedly installed on the surface of the bracket foot, and the inner surface is slidably installed on the outer surface of the sleeve.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the above scheme, by setting up the hanger assembly, when the inverter needs to be replaced, the staff can move the device to a suitable position outside the inverter, so that the horizontal cross plate and the movable plate are placed as parallel to the inverter equipment as possible. After that, the electric telescopic rod can be controlled to extend, pushing the top sprocket to move upward, so that the external chain moves along the surface of the sprocket, and the relative length of the chain on the movable plate side changes, driving the connected movable plate to move upward along the outer surface of the limit rod, so that the connected support frame moves up until the top of the movable plate and the support frame contact and abut against the bottom of the inverter equipment, thereby providing a support effect for the inverter. With the assistance of the device, the inverter can be easily replaced and the participation of personnel and the actual work intensity can be reduced.

[0013] In the above scheme, by setting up a fixing component, after moving the device to a suitable position, the staff can start the motor, and the gear 2 connected to the output end of the motor rotates, driving the meshing gear 1 to rotate, and the threaded rod connected to the middle part of the gear 1 rotates, so that the sleeve connected to the outer thread of the threaded rod moves downward along the outer surface of the threaded rod and the inner surface of the limit ring, driving the cone head installed at the bottom of the sleeve to move downward, so that the sleeve and the cone head are inserted into the ground where the device is placed, thereby improving the stability of the working process of the device and further improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the hanger assembly of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the fixing component of the utility model.

[0017] [reference numerals]

[0018] 1. Bracket foot; 2. Horizontal board; 3. Fixed board; 4. Hanger assembly; 5. Fixed assembly; 40. Electric telescopic rod; 41. Sprocket; 42. Chain; 43. Movable plate; 44. Support frame; 45. Limit rod; 46. Top plate; 50. Threaded rod; 51. Sleeve; 52. Cone head; 53. Gear 1; 54. Motor; 55. Gear 2; 56. Limit ring. DETAILED DESCRIPTION

[0019] In order to make the technical problems to be solved, technical solutions and advantages of the present invention more clear, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0020] As attached Figure 1 To Attachment Figure 3 The embodiment of the utility model provides a lifting tool for replacing an inverter, comprising:

[0021] Bracket legs 1, the number of bracket legs 1 is two, and a horizontal plate 2 is fixedly installed in the middle of the two bracket legs 1, and a fixing plate 3 is fixedly installed on the top of the two bracket legs 1;

[0022] A hanger assembly 4, the top of which is fixedly mounted on the top of the horizontal plate 2, and the hanger assembly 4 comprises an electric telescopic rod 40, a sprocket 41, a chain 42, a movable plate 43, and a support frame 44. The bottom of the electric telescopic rod 40 is fixedly mounted on the top of the horizontal plate 2, the side end of the middle part of the sprocket 41 is rotatably mounted on the inner surface of the top of the electric telescopic rod 40, one end of the chain 42 is fixedly connected to the top of the horizontal plate 2, and the other end is fixedly connected to the top of the movable plate 43, and meshes with the outer surface of the sprocket 41, and the end of the support frame 44 is fixedly mounted on the side of the movable plate 43 in the width direction;

[0023] By setting the chain 42, since one end of the chain 42 is fixed to the surface of the horizontal plate 2 and the other end is fixed to the surface of the movable plate 43, during the extension or contraction of the electric telescopic rod 40, the sprocket 41 set on the top rotates, driving the externally engaged chain 42 to move along its outer surface, thereby changing the length of the chain 42 section located on the side of the movable plate 43, thereby achieving the effect of controlling the up and down movement of the movable plate 43 and the support frame 44.

[0024] There are also two fixing components 5 , and the two fixing components 5 are respectively arranged in the middle of the two fixing plates 3 .

[0025] The hanger assembly 4 further includes a limit rod 45 and a top sheet 46. The bottom of the limit rod 45 is fixedly mounted on the top of the bracket foot 1, and the outer surface is fixedly mounted on the inner surface of the fixed plate 3. The outer surface of the limit rod 45 is slidably mounted on the inner surface of the end of the movable plate 43, and the top sheet 46 is arranged on the top of the limit rod 45.

[0026] By setting the limit rod 45, the movable plate 43 will move along the surfaces of the two limit rods 45 installed at both ends when it moves driven by the chain 42, thereby preventing the movable plate 43 from deflecting during the movement, and the top plate 46 on the top of the limit rod 45 can prevent the movable plate 43 from detaching from its top.

[0027] Among them, the fixing assembly 5 includes a threaded rod 50, a sleeve 51, a gear one 53, a motor 54, and a gear two 55. The outer surface of the top end of the threaded rod 50 is rotatably mounted on the inner surface of the fixing plate 3, the inner surface of the sleeve 51 is threadedly connected to the outer surface of the threaded rod 50, the middle part of the gear one 53 is fixedly mounted on the top of the threaded rod 50, the output end of the motor 54 is fixedly mounted on the middle part of the gear two 55, and the gear two 55 is meshed with the gear one 53.

[0028] Among them, the fixing component 5 also includes a cone head 52 and a limiting ring 56. The top of the cone head 52 is fixedly installed with the bottom of the sleeve 51, the side end of the limiting ring 56 is fixedly installed with the surface of the bracket foot 1, and the inner surface is slidably installed with the outer surface of the sleeve 51.

[0029] The working process of the utility model is as follows:

[0030] When the inverter needs to be replaced, the staff can move the device to a suitable position outside the inverter so that the horizontal cross plate 2 and the movable plate 43 are placed as parallel to the inverter device as possible. After that, the electric telescopic rod 40 can be controlled to extend to push the top sprocket 41 to move upward, so that the external chain 42 moves along the surface of the sprocket 41, and the relative length of the chain 42 on the side of the movable plate 43 changes, driving the connected movable plate 43 to move upward along the outer surface of the limit rod 45, so that the connected support frame 44 moves upward until the top of the movable plate 43 and the support frame 44 contact and abut against the bottom of the inverter device, thereby providing a support effect for the inverter. With the assistance of the device, the inverter can be easily replaced and the participation of personnel and the actual work intensity can be reduced.

[0031] After moving the device to the appropriate position, the staff can start the motor 54, and the gear 2 55 connected to the output end of the motor 54 rotates, driving the meshing gear 1 53 to rotate, and the threaded rod 50 connected to the middle part of the gear 1 53 rotates, so that the sleeve 51 connected to the external thread of the threaded rod 50 moves downward along the outer surface of the threaded rod 50 and the inner surface of the limit ring 56, driving the cone head 52 installed at the bottom of the sleeve 51 to move downward, so that the sleeve 51 and the cone head 52 are inserted into the ground where the device is placed, thereby improving the stability of the working process of the device and further improving the safety of the device.

[0032] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0033] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0034] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A lifting tool for inverter replacement, characterized in that: include Support legs (1), the number of the support legs (1) being two, and a horizontal plate (2) being fixedly mounted in the middle of the two support legs (1), and a fixing plate (3) being fixedly mounted on the tops of the two support legs (1); A hanger assembly (4), wherein the top of the hanger assembly (4) is fixedly mounted on the top of the cross plate (2), and the hanger assembly (4) comprises an electric telescopic rod (40), a sprocket (41), a chain (42), a movable plate (43), and a support frame (44). The bottom of the electric telescopic rod (40) is fixedly mounted on the top of the cross plate (2), and the side end of the middle part of the sprocket (41) is rotatably mounted on the inner surface of the top of the electric telescopic rod (40). One end of the chain (42) is fixedly connected to the top of the cross plate (2), and the other end is fixedly connected to the top of the movable plate (43), and meshes with the outer surface of the sprocket (41). The end of the support frame (44) is fixedly mounted on the side of the movable plate (43) in the width direction.

2. A lifting tool for inverter replacement according to claim 1, characterized in that: It also comprises a fixing assembly (5), the number of the fixing assemblies (5) is two, and the two fixing assemblies (5) are respectively arranged in the middle of the two fixing plates (3).

3. The lifting tool for inverter replacement according to claim 1, characterized in that: The hanger assembly (4) also includes a limiting rod (45) and a top plate (46); the bottom of the limiting rod (45) is fixedly mounted on the top of the bracket foot (1), and the outer surface is fixedly mounted on the inner surface of the fixed plate (3); the outer surface of the limiting rod (45) is slidably mounted on the inner surface of the end of the movable plate (43), and the top plate (46) is arranged on the top of the limiting rod (45).

4. The lifting tool for inverter replacement according to claim 2, characterized in that: The fixing assembly (5) comprises a threaded rod (50), a sleeve (51), a gear 1 (53), a motor (54), and a gear 2 (55); the outer surface of the top end of the threaded rod (50) is rotatably mounted on the inner surface of the fixing plate (3); the inner surface of the sleeve (51) is threadedly connected to the outer surface of the threaded rod (50); the middle part of the gear 1 (53) is fixedly mounted on the top of the threaded rod (50); the output end of the motor (54) is fixedly mounted on the middle part of the gear 2 (55); and the gear 2 (55) and the gear 1 (53) are meshed with each other.

5. The lifting tool for inverter replacement according to claim 4, characterized in that: The fixing assembly (5) further comprises a cone head (52) and a limiting ring (56); the top of the cone head (52) is fixedly mounted on the bottom of the sleeve (51); the side end of the limiting ring (56) is fixedly mounted on the surface of the bracket foot (1), and the inner surface is slidably mounted on the outer surface of the sleeve (51).

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