Electric trolley for transferring switch equipment handcart into cabinet
By designing an electric trolley for transporting 40.5kV switchgear, the problem of time-consuming and labor-intensive manual transport of circuit breaker trolleys was solved, realizing automated transport and cabinet entry operations, improving production efficiency and reducing safety risks.
Patent Information
- Application Number
- CN202511730162.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-24
- Publication Date
- 2026-03-17
AI Technical Summary
In the existing technology, the transfer of circuit breaker trolleys for 40.5kV switchgear is time-consuming and labor-intensive, requires multiple operators, poses safety hazards, and affects production efficiency and project timelines.
Design an electric trolley that includes a trolley drive module, a lifting module, and a fork module. Utilize optical navigation guidance, drive motors, and lifting motors to achieve automated transfer and adapt to the needs of trolleys of different widths.
The automated transfer and cabinet entry of 40.5kV switchgear trolleys have been achieved, improving installation and commissioning efficiency and reducing safety hazards.
Smart Images

Figure CN121672368A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of switch device test, and relates to an electric trolley for transferring a switch device handcart into a cabinet, and relates to an electric trolley for transferring a 40.5kV switch device handcart into a cabinet. BACKGROUND
[0002] The 40.5kV switch device is a core component of a medium-voltage power system, and its importance is reflected in the whole chain of power transmission, distribution and protection, directly affecting the reliability, safety and economy of the power system. The medium-voltage power grid is a key link connecting high-voltage power transmission (such as 110kV and above) and low-voltage power distribution (10kV and below), and the 40.5kV switch device is the operation core of this link. Therefore, the current market demand for such products is still relatively objective.
[0003] Factory material automation transfer is a core support link of modern manufacturing, and its importance is reflected in the whole-process optimization of production efficiency, cost control, safety management, etc., and is the basis of Industry 4.0 and intelligent manufacturing. The 40.5kV switch device is large in size, and the size structure and overall weight of the circuit breaker handcart are also large. It is very time-consuming and labor-intensive to use manpower to push and pull out the circuit breaker handcart. When engineering projects are concentrated, multiple workers need to be arranged for handcart transfer, which wastes a lot of manpower and resources, affects the project time node, and has certain safety hazards. SUMMARY
[0004] Purpose: In order to overcome the deficiencies in the prior art, the application provides an electric trolley for transferring a switch device handcart into a cabinet, which replaces manual pushing and pulling to transfer the circuit breaker handcart, to solve the problem of time and labor consumption when manually pushing and pulling the circuit breaker handcart of the 40.5kV switch device in the prior art.
[0005] Technical scheme: To solve the above technical problems, the application adopts the technical scheme that: The application provides an electric trolley for transferring a switch device handcart into a cabinet, which includes a trolley driving module, a lifting module and a fork module. The trolley driving module includes a trolley bottom frame and rotating rollers rotatably connected and installed at the bottom of the trolley bottom frame. At least one optical navigation guide is installed at each end of the trolley bottom frame, for guiding the electric trolley to move along a specified route. The lifting module includes a lifting module frame, a lifting screw rod and a screw rod flange. The lifting module frame and the lifting screw rod are installed at the bottom of the trolley bottom frame. The screw rod flange is connected with the lifting screw rod through a center hole and is located in the lifting module frame. The fork module comprises a fork mounting base, a fork fixing rod and a fork; the fork mounting base is sleeved on the outer periphery of the lifting module frame and is connected with the screw flange through the fork fixing rod; the fork with adjustable width is mounted on the fork mounting base.
[0006] In some embodiments, the trolley driving module further comprises: a driving motor, which is drivingly connected with the rotating roller;
[0007] a control circuit board, which is used for storing the motion and lifting program of the electric trolley.
[0008] In some embodiments, a battery pack for overall power supply is mounted on the trolley driving module.
[0009] In some embodiments, a control panel is arranged on the trolley driving module for manual operation of the trolley; the control panel is provided with a display screen and control buttons.
[0010] Further, in some embodiments, a detachable upper cover plate is arranged on the trolley driving module for protecting the driving motor, the control circuit board and the battery pack arranged on the trolley driving module.
[0011] In some embodiments, the lifting module further comprises a lifting motor arranged on the screw flange, which is used for driving the screw flange to move up and down along the lifting screw.
[0012] In some embodiments, the lifting module frame is a hollow cylindrical structure, and the screw flange, the lifting screw and the lifting module frame are arranged on the same central axis.
[0013] In some embodiments, the screw flange is provided with a fork fixing rod mounting hole and a fork fixing rod locking hole which are connected and arranged on both sides of the screw flange; the two fork fixing rod mounting holes are horizontally arranged and used for connecting the fork mounting base on the screw flange through the fork fixing rod; the fork fixing rod locking hole is vertically arranged and used for fastening the fork fixing rod on the screw flange through the first locking member.
[0014] In some embodiments, the fork mounting base comprises a lifting connecting part and a fork connecting part which are connected; the lifting connecting part comprises a sleeving member which is used for sleeving on the outer periphery of the lifting module frame; the sleeving member is horizontally provided with a fork fixing rod mounting hole at the corresponding position of the fork fixing rod mounting hole, which is used for penetrating and mounting the fork fixing rod; a plurality of fork mounting holes are arranged on the fork connecting part, which are used for connecting and mounting the fork.
[0015] In some embodiments, the sleeving member is further provided with a fork fixing rod locking hole which is connected and communicated with the fork fixing rod mounting hole, which is used for fastening the fork fixing rod on the fork mounting base through the second locking member.
[0016] Beneficial effects: the electric trolley for transferring and storing switchgear handcart into the cabinet provided by the application is composed of a trolley driving module, an optical navigation guide arranged at the front and rear ends of the trolley driving module, and an upper cover plate arranged on the top of the trolley driving module, wherein the trolley driving module is internally arranged with rotating rollers, a control panel, a control circuit board, a battery pack, and a driving motor; the trolley driving module can complete ground driving by recognizing ground marking lines; the lifting module is composed of a lifting module frame, a lifting motor, a lifting screw rod, and a screw flange, the lifting height of the lifting module matches the height of the handcart placed in the cabinet, and the lifting module can complete the operation of the circuit breaker handcart entering and leaving the cabinet; the fork module is composed of a fork mounting base, a fork fixing rod, and a fork, and the fork mounting base is provided with a plurality of mounting holes, and the fork mounting base can be matched with handcarts of different widths by adjusting the hole positions. The transfer and storage of the 40.5kV switchgear handcart in the factory can be automatically completed by the electric trolley, which improves the installation and debugging efficiency of the product and effectively reduces the safety hazards. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural schematic diagram of the electric trolley for transferring and storing switchgear handcart into the cabinet according to the embodiment of the application; Figure 2 is a structural schematic diagram of the trolley driving module in the embodiment of the application; Figure 3 is a structural schematic diagram of the upper cover plate in the trolley driving module in the embodiment of the application; Figure 4 is a structural schematic diagram of the lifting module in the embodiment of the application; Figure 5 is a structural schematic diagram of the internal structure of the lifting module in the embodiment of the application; Figure 6 is a structural schematic diagram of the fork module in the embodiment of the application; Figure 7 is a structural schematic diagram of the fork mounting base in the fork module in the embodiment of the application; In the figure: 10, trolley driving module, 101, trolley bottom frame, 102, rotating roller, 103, driving motor, 104, control circuit board, 105, optical navigation guide, 106, control panel, 1061, display screen, 1062, control button, 107, battery pack, 108, upper cover plate, 20, lifting module, 201, lifting module frame, 2011, avoiding guide groove, 202, lifting screw rod, 203, lifting motor, 204, screw flange, 2041, fork fixing rod mounting hole, 2042, fork fixing rod locking hole, 30, fork module, 301, fork mounting base, 3011, fork mounting hole, 3012, fork fixing rod mounting hole, 3013, fork fixing rod locking hole, 302, fork fixing rod, 303, fork. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. The description of the at least one exemplary embodiment is merely illustrative in nature and is in no way limiting on the application or its applications or uses. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of the present application.
[0019] The relative arrangement, numerical expressions, and numerical values of the components and steps set forth in the embodiments are not limiting on the scope of the present application, unless otherwise specifically stated. Meanwhile, it should be understood that the sizes of the various parts shown in the drawings are not drawn in accordance with the actual proportional relationship for the convenience of description. The techniques, methods, and devices known to those of ordinary skill in the related art can not be discussed in detail, but should be considered as part of the specification under appropriate circumstances. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of the exemplary embodiments can also include different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
[0020] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting on the present application. In addition, the terms "first", "second", and the like are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.
[0021] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0022] The embodiment of the present application provides a kind of electric trolley for switching device handcart transfer into cabinet, as shown in Figures 1 to 7 It includes trolley drive module 10, lifting module 20 and fork module 30.The trolley drive module 10 includes trolley bottom frame 101 and rotating roller 102 rotatably connected and installed at the bottom of trolley bottom frame 101;At least one optical navigation guide 105 is installed at the front and rear ends of trolley bottom frame 101 respectively, for guiding electric trolley to move along the specified route;The lifting module 20 includes lifting module frame 201, lifting lead screw 202 and lead screw flange 204, lifting module frame 201 and lifting lead screw 202 are fixedly installed at the bottom of trolley bottom frame 101, lead screw flange 204 is connected with lifting lead screw 202 through center hole and located in lifting module frame 201;The fork module 30 includes fork mounting base 301, fork fixing rod 302 and fork 303;The fork mounting base 301 is sleeved on the outer periphery of lifting module frame 201, and is connected with lead screw flange 204 through fork fixing rod 302, and the fork 303 is adjustably installed on the fork mounting base 301.
[0023] The trolley drive module 10 further includes: Drive motor 103, the drive motor 103 is drivingly connected with rotating roller 102.
[0024] Control circuit board 104 is used to store the movement and lifting program of electric trolley.
[0025] The trolley drive module 10 is provided with a battery pack 107 for overall energy supply.
[0026] In some embodiments, the trolley drive module 10 is provided with a control panel 106 for manual operation of the trolley;The control panel 106 is provided with a display screen 1061 and control buttons 1062.
[0027] In some embodiments, the trolley drive module 10 is provided with a detachable upper cover plate 108 for protecting the drive motor 103, control circuit board 104 and battery pack 107 provided on the trolley drive module 10.
[0028] In some embodiments, the lifting module 20 further includes a lifting motor 203 disposed on the lead screw flange 204, the lifting motor 203 being used to drive the lead screw flange 204 to move up and down along the lifting lead screw 202.
[0029] In this embodiment, the control circuit board 104 is signal-connected to each drive motor 103 and lifting motor 203, and is used to control the movement of the electric trolley and the lifting of the fork module.
[0030] In this embodiment, the lifting module frame 201 is a hollow cylindrical structure, and the lead screw flange 204, the lifting lead screw 202 and the lifting module frame 201 are arranged on the same central axis.
[0031] In some embodiments, the screw flange 204 has interconnected fork fixing rod mounting holes 2041 and fork fixing rod locking holes 2042 on both sides. The two fork fixing rod mounting holes 2041 are arranged horizontally and are used to connect the fork mounting base 301 to the screw flange 204 by installing the fork fixing rod 302. The fork fixing rod locking holes 2042 are arranged vertically and are used to fasten the fork fixing rod 302 to the screw flange 204 by the first locking member.
[0032] In some embodiments, the fork mounting base 301 includes a lifting connection part and a fork connection part connected together. The lifting connection part includes a sleeve for sleeved on the outer periphery of the lifting module frame 201. The sleeve has a horizontally arranged fork fixing rod mounting hole 3012 corresponding to the fork fixing rod mounting hole 2041 for fork fixing rod 302 to be installed. The fork connection part has multiple sets of fork mounting holes 3011 for connecting and installing forks 303.
[0033] Furthermore, the socket is also provided with a fork fixing rod locking hole 3013 that communicates with the fork fixing rod mounting hole 3012, for fastening the fork fixing rod 302 to the fork mounting base 301 by the second locking member. In this embodiment, the opening direction of the fork fixing rod locking hole 3013 is vertically arranged.
[0034] It should be noted that, in this embodiment, the lifting module frame 201 has avoidance guide grooves 2011 on both sides corresponding to the installation position of the fork fixing rod 302.
[0035] In this embodiment, the lifting module 20 is welded to the trolley drive module 10 through the bottom of the lifting module frame 201, and the fork module 30 is bolted to the screw flange 204 in the lifting module 20 through the fork fixing rod 302. Marking lines and marking frames are arranged in the factory, and the 40.5kV switchgear is placed in the marking frames according to the corresponding size. The electric trolley moves along the marking lines by relying on two optical navigation guides 105 to realize the transfer of the trolley.
[0036] In this embodiment, there are three rotating rollers 102, and correspondingly, there are three drive motors 103. In some embodiments, such as Figure 2 As shown, the car drive module 10 includes a car bottom frame 101, rotating rollers 102, drive motors 103, control circuit board 104, optical navigation guides 105, control panel 106, and battery pack 107. The car bottom frame 101 is equipped with three drive motors 103 and three rotating rollers 102 to realize the movement of the electric car. An optical navigation guide 105 is installed at each of the front and rear ends to ensure that the electric car moves along a designated route. An external control panel 106 is provided for manual operation of the car. A control circuit board 104 is provided in the middle to store the car's movement and lifting programs. A battery pack 107 is installed for overall power supply. The control panel 106 is equipped with a display screen 1061 and control buttons 1062.
[0037] Furthermore, in some embodiments, such as Figure 3 As shown, a plastic top cover plate 108 can be installed on the trolley drive module 10 using a clamp structure to protect the internal components.
[0038] In some embodiments, such as Figure 4 , Figure 5 As shown, the lifting module 20 includes a lifting module frame 201, a lifting screw 202, a lifting motor 203, and a screw flange 204.
[0039] In this embodiment, the lifting module frame 201 is a hollow cylindrical stainless steel frame with an outer diameter of 250 mm and a height of 1000 mm. A lifting screw 202 is installed at the center point. The screw flange 204 has 30 mm diameter round holes on both sides for inserting the fork fixing rod 302 and fixing it with bolts. The hole at the center is matched with the screw. The lifting motor is installed at the rear end to complete the lifting action. The lifting module frame 201 is a hollow cylindrical structure. Two 30mm diameter fork fixing rod mounting holes 2041 are opened on both sides of the screw flange 204 for installing the fork fixing rod 302. After installation, M10 bolts are inserted through the 12mm diameter fork fixing rod locking holes 2042 to achieve fastening. During the lifting movement, the lifting motor 203 drives the screw flange 204 to move up and down along the lifting screw 202.
[0040] In some embodiments, such as Figure 6As shown, the fork module 30 includes a fork mounting base 301, a fork fixing rod 302, and forks 303. The rear end of the fork mounting base 301 has a 255mm diameter circular hole for nesting with the lifting module frame 201. Two 30mm diameter fork fixing rod mounting holes 3012 are opened on the side for inserting and installing the fork fixing rod 302. After installation, an M10 bolt is inserted through the fork fixing rod locking hole 3013 for fixation. The front end has four sets of two 20mm diameter fork mounting holes 3011 for connecting and fixing the forks 303. Each set of fork mounting holes 3011 is spaced 40mm apart. The forks can be installed from any one of the four sets of fork mounting holes to adjust the width and adapt to different specifications of handcarts, such as... Figure 6 , Figure 7 As shown.
[0041] The electric trolley in this application realizes the requirement of automatic transfer and cabinet entry of 40.5kV switchgear, improves the installation and commissioning efficiency of the product, and effectively reduces safety hazards.
[0042] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.
Claims
1. An electric trolley for transferring a switchgear handcart into a cabinet, characterized in that, The trolley driving module comprises a trolley bottom frame and a rotating roller rotatably connected and installed at the bottom of the trolley bottom frame. The trolley driving module comprises a trolley bottom frame and a rotating roller rotatably connected and installed at the bottom of the trolley bottom frame. The lifting module comprises a lifting module frame, a lifting screw rod and a screw flange. The lifting module comprises a lifting module frame, a lifting screw rod and a screw flange.
2. The electric trolley for transferring the switchgear handcart into the cabinet according to claim 1, characterized in that, The lifting module comprises a lifting module frame, a lifting screw rod and a screw flange. The trolley driving module further comprises: The driving motor is drivingly connected to the rotating roller.
3. The electric trolley for transferring the switchgear handcart into the cabinet according to claim 2, characterized in that, The control circuit board is used for storing the movement and lifting programs of the electric trolley.
4. The electric trolley for transferring the switchgear handcart into the cabinet according to claim 1, characterized in that, The trolley driving module is provided with a control panel for manually operating the trolley.
5. The electric trolley for transferring the switchgear handcart into the cabinet according to claim 3, characterized in that, The trolley driving module is provided with a detachable upper cover plate for protecting the driving motor, the control circuit board and the battery pack arranged on the trolley driving module.
6. The motorized trolley for transferring an open switchgear device into a cabinet of claim 1, wherein, The lifting module further comprises a lifting motor arranged on the screw flange.
7. The motorized trolley for transferring an open switchgear device into a cabinet of claim 1, wherein, The lifting module frame is a hollow cylindrical structure.
8. The motorized trolley for transferring an open switchgear device into a cabinet of claim 1, wherein, The screw flange, the lifting screw rod and the lifting module frame are arranged on the same central axis.
9. The motorized trolley for transferring an open switchgear device into a cabinet of claim 1, wherein, The screw flange is provided with a fork fixing rod mounting hole and a fork fixing rod locking hole which are connected and arranged on the two sides of the screw flange.
10. The motorized trolley for transferring an open switchgear handcart into a cabinet according to claim 9, characterized in that, The lifting module frame is a hollow cylindrical structure. The screw flange, the lifting screw rod and the lifting module frame are arranged on the same central axis. The screw flange is provided with a fork fixing rod mounting hole and a fork fixing rod locking hole which are connected and arranged on the two sides of the screw flange. The lifting module frame is a hollow cylindrical structure. The screw flange, the lifting screw rod and the lifting module frame are arranged on the same central axis. The screw flange is provided with a fork fixing rod mounting hole and a fork fixing rod locking hole which are connected and arranged on the two sides of the screw flange. The lifting module frame is a hollow cylindrical structure. The screw flange, the lifting screw rod and the lifting module frame are arranged on the same central axis. The screw flange is provided with a fork fixing rod mounting hole and a fork fixing rod locking hole which are connected and arranged on the two sides of the screw flange.