Photovoltaic inverter dismounting and mounting device vehicle

Abstract

The utility model provides a photovoltaic inverter dismounting and mounting device vehicle which comprises a base, a vertical supporting frame is mounted on the rear side of the base, a movable supporting arm capable of moving up and down is connected to the vertical supporting frame, and a lifting power device capable of driving the movable supporting arm to move up and down is connected to the vertical supporting frame; the number of the movable supporting arms is at least two, the distance between the two movable supporting arms is equal to the distance between two hand lifting positions on the inverter, and the movable supporting arms can be placed below the hand lifting positions. Moving wheel sets are arranged on the lower portion of the base. When an inverter is disassembled and assembled, one person controls the lifting power device to enable the movable supporting arm to be adjusted to the hand lifting position, then the other person disassembles an inverter hanging plate bolt, two persons move away the disassembled inverter after disassembly, the whole process can be operated by only two persons, and labor cost is saved; the mechanical injury risk in the hand lifting installation process can be effectively prevented and controlled, and the safety of equipment maintenance personnel is guaranteed; and the device is simple in structure, convenient to manufacture and low in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of inverter disassembly and assembly tools, in particular to a photovoltaic inverter disassembly and assembly device vehicle. Background Art

[0002] Photovoltaic power generation, as an indispensable backbone of clean energy systems, has developed rapidly in recent years. Inverters are an important part of photovoltaic power generation systems. Photovoltaic inverters convert the direct current generated by photovoltaic panels into alternating current that meets the requirements of the power grid and are incorporated into the power grid system. For example, SG225HX is a three-phase transformerless grid-connected inverter.

[0003] The size of SG225HX photovoltaic inverter is 1051×660×363mm (width×height×depth), and the weight is 99kg. According to the user manual of SG225HX photovoltaic inverter, the installation height of this type of photovoltaic inverter should be greater than 450mm from the ground (hanging installation). The original installation method is that two people lift the inverter (through Figure 2 The inverter is fixed on the hanging board by one person. Dismantling also requires the cooperation of at least three people to successfully dismantle and carry the inverter. The original inverter installation and dismantling method has the following problems:

[0004] 1. The disassembly and installation of the inverter requires a large number of personnel, resulting in a waste of human resources and increased maintenance costs.

[0005] 2. Manual installation of the inverter is prone to mechanical injuries such as squeezing, which increases production safety risks.

[0006] 3. The inverter needs to be moved to the installation location manually, which may cause mechanical damage. Utility Model Content

[0007] The purpose of the utility model is to provide a photovoltaic inverter disassembly and installation device vehicle, which can solve the problem of inverter transportation and free up manpower, so that the installation and disassembly of the inverter can be completed with fewer personnel, thus saving maintenance costs;

[0008] The utility model provides a photovoltaic inverter disassembly and installation device vehicle, comprising a base, a vertical support frame installed on the rear side of the base, a movable support arm that can move up and down is connected to the vertical support frame, and a lifting power device that can drive the movable support arm to move up and down is connected to the vertical support frame; the number of the movable support arms is at least two, and the distance between the two movable support arms is equal to the distance between the two lifting handles on the inverter, and the movable support arm can be placed under the lifting handle; a movable wheel group is provided at the lower part of the base.

[0009] Furthermore, the lifting power device is a sling installed on the top of the vertical support frame.

[0010] Furthermore, the movable arms are slidably connected to the columns on both sides of the vertical support frame, and the two movable arms are connected by a movable rod, and the hook of the hanger is hooked on the movable rod.

[0011] Furthermore, movable clamps are slidably sleeved on the upright posts on both sides of the upright support frame, the movable support arms are connected to the movable clamps, and the movable rods are connected to the inner sides of the two movable clamps facing each other.

[0012] Furthermore, the lifting device is a hand winch.

[0013] Furthermore, the base is a U-shaped structure, including a bottom plate and two plug plates, and the two plug plates are connected to the left and right sides of the front end of the bottom plate.

[0014] Furthermore, anti-overturning devices are respectively installed on the outer sides of the bottom plate and the two plug plates.

[0015] Furthermore, the anti-overturning device includes an extended support connected to the base plate and the outer side of the plug plate, the end of the extended support is connected to a nut, the inner thread of the nut is connected to a screw rod, the screw rod is vertically arranged, and the bottom end of the screw rod is connected to the anti-overturning base plate.

[0016] Furthermore, a handle is connected to the top of the screw rod for conveniently twisting the screw rod.

[0017] Furthermore, the movable wheel set includes a universal wheel, and a locking piece is provided on the universal wheel.

[0018] The technical solution of the utility model is to set a movable support arm and a lifting power device. When disassembling and installing the inverter, it is only necessary to move the installation vehicle to the inverter position, and then the first person controls the lifting power device to adjust the movable support arm to the lifting hand position, and then the second person can remove the inverter hanging plate bolts. After disassembly, the first person controls the lifting power device to lower the inverter to the base, and the two people move away the disassembled inverter, and the disassembly process is completed. Therefore, only two people are needed to operate the whole process, saving labor costs; it can effectively prevent and control the risk of mechanical injuries occurring during the hand-lifting installation process, and ensure the safety of equipment maintenance personnel; and the device has a simple structure, is easy to manufacture, and has low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the hand-lifting part of the inverter in the background technology;

[0022] Description of reference numerals:

[0023] 1-base, 101-bottom plate, 102-plug plate, 2-vertical support frame, 201-column, 3-movable support arm, 301-movable rod, 4-hand chain hoist, 5-universal wheel, 6-movable clamp, 7-anti-overturning device, 701-external support, 702-nut, 703-screw, 704-anti-overturning bottom plate, 8-hand lift. DETAILED DESCRIPTION

[0024] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. 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.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] like Figure 1-Figure 2 As shown, Example 1

[0028] The utility model provides a photovoltaic inverter disassembly and installation device vehicle, comprising a base 1, a vertical support frame 2 is installed on the rear side of the base 1, a movable support arm 3 which can be moved up and down is connected to the vertical support frame 2, and a lifting power device which can drive the movable support arm 3 to move up and down is connected to the vertical support frame 2; the number of the movable support arms 3 is at least two, and the distance between the two movable support arms 3 is equal to the distance between the two lifting handles 8 on the inverter, and the movable support arm 3 can be placed under the lifting handle; a movable wheel group is provided at the lower part of the base 1.

[0029] Specifically, the base 1 moves by means of a moving wheel group at the bottom; the vertical support frame 2 is connected to the rear side of the base 1 to form a frame structure, and the vertical support frame 2 includes two side columns 201 on both sides, and a transverse support boom connected to the top of the two side columns 201; the lifting power device is installed on the transverse support boom at the top of the vertical support frame 2, and the lifting power device, such as a winch, a hand hoist 4, a motor screw, etc., has a lifting unit connected to the movable support arm 3 to lift or lower the movable support arm 3 upward.

[0030] The movable arm 3 is slidably connected to the vertical support frame 2, and the two movable arms 3 support the inverter on both sides of the inverter to prevent the inverter from tipping over. The distance between the two movable arms 3 is the distance between the hand-lifting positions on both sides of the inverter, so that the two movable arms 3 can be overlapped under the hand-lifting positions on both sides of the inverter (the hand-lifting positions are specifically such as handle rings, which are set on both sides of the inverter and are used to lift the inverter), and then the inverter hanging plate bolts can be removed (the inverter is generally wall-mounted). After removal, the movable arm 3 is controlled to descend by the lifting power device, and the inverter is put down on the base 1, and then two people move the replaced inverter away; then move the new inverter to the base 1, and control the movable arm 3 to rise by the lifting power device, so that the inverter rises to the wall-mounted position, and then install the hanging plate bolts. In addition, two protruding buckles are set on the movable arm, which are used to be stuck into the hand-lifting position when the movable arm supports the hand-lifting position to prevent the hand-lifting position from slipping off the movable arm.

[0031] In this device, one person controls the lifting power device, and one person disassembles and installs the hanging plate bolts. Only two people are needed to complete the work of disassembling and installing the inverter, saving labor costs; it can effectively prevent and control the risk of mechanical injuries occurring during the manual lifting installation process and ensure the safety of equipment maintenance personnel; and this device has a simple structure, is easy to manufacture, and has low cost.

[0032] Example 2

[0033] The lifting power device is a sling, which is installed at the top of the vertical support frame 2. The two side columns 201 of the vertical support frame 2 are respectively slidably connected with movable arms 3, and the two movable arms 3 are connected by a movable rod 301, and the hook of the sling is hooked on the movable rod 301. The two side columns 201 of the vertical support frame 2 are slidably sleeved with movable clamps 6, the movable arms 3 are connected to the movable clamps 6, and the movable rod 301 is connected to the inner sides of the two movable clamps 6. The sling is a hand chain hoist 4.

[0034] Specifically, a 1t hand chain hoist 4 is used to lift the movable arm 3 to fix the position of the inverter, and then complete the installation and removal of the inverter. The movable arm 3 is made of Q235B steel, with a size of 800×60×20mm (length×width×thickness). The vertical support frame 2 is made of 60×60×3mm galvanized square steel, with a height of 2000mm. The movable rod 301 is connected to the 1t hand chain hoist 4, and the movable rod 301 is connected to the movable clamp 6. The movable rod 301 is driven by the hand chain hoist 4 to move, thereby realizing the lifting and lowering of the inverter. The movable clamp 6 is connected to the movable arm 3, and the lifting and lowering of the clamp drives the movable arm 3 to lift and lower, thereby realizing the lifting and lowering of the inverter.

[0035] Example 3

[0036] The base 1 is a U-shaped structure, including a bottom plate 101 and two plug plates 102, and the two plug plates 102 are connected to the left and right sides of the front end of the bottom plate 101. The outer sides of the bottom plate 101 and the two plug plates 102 are respectively installed with anti-overturning devices 7. The anti-overturning device 7 includes an extension support 701 connected to the outer sides of the bottom plate 101 and the plug plates 102, the end of the extension support 701 is connected to a nut 702, the inner thread of the nut 702 is connected to a screw rod 703, the screw rod 703 is vertically arranged, and the bottom end of the screw rod 703 is connected to an anti-overturning bottom plate 704. The top of the screw rod 703 is connected to a handle for conveniently twisting the screw rod 703. The mobile wheel group includes a universal wheel 5, and a locking piece is arranged on the universal wheel 5.

[0037] Specifically, the base is made of Q235B steel, the size of a single plug plate 102 of the base is 900×80×20mm (length×width×thickness), the distance between the two plug plates 102 is 1200mm, and the length of the entire base is 1100mm. The mobile wheel group uses a 5-inch universal wheel 5, which can move in any direction. The universal wheel 5 has a locking piece, which can prevent the device vehicle from moving after being locked (for details, please refer to the wheel lock structure of the luggage box). The extension support 701 has an extension length of 300mm, and is equipped with an M24 screw 703 and a nut 702. The height position of the anti-tilt bottom plate 704 is adjusted by the screw 703 (the bottom end of the screw 703 is welded to the anti-tilt bottom plate 704). The size of the anti-tilt bottom plate 704 is 100×100×20mm (length×width×thickness). The left and right plug plates 102 and the side of the rear bottom plate 101 of the device vehicle are both equipped with anti-tilt devices 7.

[0038] Working mode of the utility model:

[0039] 1. First, move the installation vehicle to the position of the inverter that needs to be disassembled, adjust the movable arm 3 to the position of the inverter lifting handle through the hand winch 4, and place the lifting handle on the movable arm 3.

[0040] 2. Put the anti-overturning device 7 of the installation vehicle in place to prevent the load-bearing installation vehicle from overturning.

[0041] 3. Press down the locking piece of the universal wheel 5 of the installation vehicle to prevent the installation vehicle from moving.

[0042] 4. One person removes the fixing bolts of the inverter hanging plate.

[0043] 5. Another person lowers the inverter onto the base 1 using the hand chain hoist 4.

[0044] 6. Move the disassembled inverter away from the base 1, then place the inverter to be installed on the base 1 of the installation vehicle, lift the inverter to the hanging plate position by the hand winch 4, and install the inverter hanging plate fixing bolts.

[0045] 7. After installation is completed, remove the anti-overturning device 7 and the locking piece of the universal wheel 5 of the installation vehicle, place the disassembled inverter on the base 1 and move it away from the site.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A photovoltaic inverter disassembly and installation device vehicle, characterized in that: It comprises a base, a vertical support frame is installed on the rear side of the base, a movable support arm which can move up and down is connected to the vertical support frame, and a lifting power device which can drive the movable support arm to move up and down is connected to the vertical support frame; The number of the movable arms is at least two, and the distance between the two movable arms is equal to the distance between the two handles on the inverter, and the movable arms can be placed under the handles; A moving wheel set is arranged at the lower part of the base.

2. The photovoltaic inverter disassembly and installation device vehicle according to claim 1, characterized in that: The lifting power device is a sling installed on the top of the vertical support frame.

3. The photovoltaic inverter disassembly and installation device vehicle according to claim 2, characterized in that: The movable supporting arms are slidably connected to the upright columns on both sides of the upright supporting frame respectively, and the two movable supporting arms are connected by an active rod, and the hook of the sling is hooked on the active rod.

4. The photovoltaic inverter disassembly and installation device vehicle according to claim 3, characterized in that: The vertical columns on both sides of the vertical support frame are slidably sleeved with movable clamps, the movable support arms are connected to the movable clamps, and the movable rods are connected to the inner sides of the two movable clamps facing each other.

5. The photovoltaic inverter disassembly and installation device vehicle according to claim 2, characterized in that: The lifting device is a hand chain hoist.

6. The photovoltaic inverter disassembly and installation device vehicle according to claim 1, characterized in that: The base is a U-shaped structure, comprising a bottom plate and two plug-in plates, wherein the two plug-in plates are connected to the left and right sides of the front end of the bottom plate.

7. The photovoltaic inverter disassembly and installation device vehicle according to claim 6, characterized in that: Anti-overturning devices are respectively installed on the outer sides of the bottom plate and the two plug plates.

8. The photovoltaic inverter disassembly and installation device vehicle according to claim 7, characterized in that: The anti-overturning device includes an extended support connected to the base plate and the outer side of the plug plate, the end of the extended support is connected to a nut, the inner thread of the nut is connected to a screw rod, the screw rod is vertically arranged, and the bottom end of the screw rod is connected to the anti-overturning base plate.

9. The photovoltaic inverter disassembly and installation device vehicle according to claim 8, characterized in that: The top end of the screw rod is connected with a handle for conveniently twisting the screw rod.

10. The photovoltaic inverter disassembly and installation device vehicle according to claim 1, characterized in that: The movable wheel set comprises a universal wheel, and a locking piece is arranged on the universal wheel.

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