Portable high-low voltage switch cabinet electric transfer trolley

By designing a rotating mechanism and a lubrication system on the electric transfer vehicle for high and low voltage switchgear, the problem of the lack of rotation function of the transfer vehicle was solved, and efficient and flexible transportation and stable rotation were achieved.

CN119612411BActive Publication Date: 2025-11-25ZHONGTONGFU ENERGY SAVING TECH SERVICE CO LTD
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Patent Information

Application Number
CN202411761230.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-11-25
Estimated Expiration
2044-12-03

AI Technical Summary

Technical Problem

The existing electric transfer carts for high and low voltage switchgear lack rotation capabilities, making transportation difficult in narrow or complex environments and increasing the complexity and time cost of transportation.

Method used

A portable electric transfer cart for high and low voltage switchgear was designed, equipped with a rotating mechanism including a drive motor, a drive gear, and a driven gear. The rotation of the high and low voltage switchgear is achieved through transmission cooperation. A lubrication and oil delivery mechanism is also provided to ensure stable lubrication of the drive gear and the driven gear.

Benefits of technology

It improves the flexibility and efficiency of transportation, enables flexible rotation of high and low voltage switchgear, and ensures the stability and durability of the rotating mechanism through a lubrication mechanism.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to a portable high-low voltage switch cabinet electric transfer trolley, and belongs to the technical field of transfer equipment, which comprises an electric transfer trolley body used for high-low voltage switch cabinet transportation, the upper surface of the electric transfer trolley body is provided with a bearing table, and a rotating mechanism is arranged between the electric transfer trolley body and the bearing table; the rotating mechanism comprises a driving motor; the upper surface of the electric transfer trolley body is provided with a lubricating part, the lubricating part is composed of a lubricating mechanism and an oil conveying mechanism; the lubricating mechanism comprises a lubricating cylinder; the lower surface of the bearing table is provided with an arc abutment seat abutting against an abutment roller, and the abutment roller is in rolling connection with the outer surface of the arc abutment seat. The portable high-low voltage switch cabinet electric transfer trolley has the rotating function, can improve the flexibility during transportation, and can also cooperate with the lubricating part to lubricate the rotating mechanism when the bearing table rotates, so that the driving gear and the driven gear are stably driven, and the adjusting stability of the bearing table is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of transfer equipment, in particular to a portable high-low voltage switch cabinet electric transfer trolley. BACKGROUND

[0002] The high-low voltage switch cabinet electric transfer trolley is a modern transportation tool specially used for transporting high-low voltage switch cabinets and other power equipment. The design of the electric transfer trolley usually has strong carrying capacity and can easily handle the transportation needs of heavy power equipment such as high-low voltage switch cabinets.

[0003] After searching, the patent file with the announcement number CN221678761 U discloses a 35-kilovolt trolley switch electric transfer trolley, which comprises a hydraulic carrier, a support frame, a moving frame driving device, a moving frame, a trip device and an automatic locking device. The support frame is fixed on the hydraulic carrier; the moving frame driving device is fixed on the top of the support frame to drive the moving frame to move; the trip device and the automatic locking device are both arranged on the moving frame. The technical effect of the utility model lies in that the operator can use the transfer trolley to electrically and horizontally smoothly pull out or push in the 35-kilovolt trolley switch from the switch cabinet, avoiding the risk of the trolley switch falling and injuring the operator due to the manual pushing and pulling of the trolley switch.

[0004] The above-mentioned patent has the following defects: if the transfer trolley lacks a rotating function, more space is needed when turning or adjusting the direction, which may cause difficulties in transporting high-low voltage switch cabinets in narrow or complex environments, and if the switch cabinet needs to be transported to a specific location, it may be necessary to move and adjust the position of the forklift multiple times, thereby increasing the complexity and time cost of transportation, so a portable high-low voltage switch cabinet electric transfer trolley is proposed to solve the problems mentioned above. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a portable high-low voltage switch cabinet electric transfer trolley, which has the advantages of flexible transportation, high efficiency, etc., and solves the problem of lack of rotating function of the transfer trolley.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a portable high-low voltage switch cabinet electric transfer trolley, comprising an electric transfer trolley body for high-low voltage switch cabinet transportation, a bearing table is arranged on the upper surface of the electric transfer trolley body, and a rotating mechanism is arranged between the electric transfer trolley body and the bearing table;

[0007] The rotating mechanism comprises a driving motor, a driving gear and a driven gear in engagement, and a rotating seat welded and installed on the lower surface of the bearing table and rotationally connected with the upper surface of the electric transfer trolley body;

[0008] The upper surface of the electric transfer trolley body is provided with a lubricating part composed of a lubricating mechanism and an oil conveying mechanism.

[0009] The lubricating mechanism comprises a lubricating cylinder, a transmission shaft rotatably installed in the lubricating cylinder, and a stirring rod, the bottom end of the transmission shaft is fixedly connected with the output shaft of the driving motor, the top end of the stirring rod extends to the outside of the lubricating cylinder, a connecting block is rotatably installed at the top end of the stirring rod, a return spring is fixedly installed between the connecting block and the lubricating cylinder, a connecting arm is fixedly installed on the upper surface of the connecting block, and an abutting roller is rotatably installed at one end of the connecting arm.

[0010] The oil conveying mechanism comprises a pump shell fixedly installed on the outer surface of the lubricating cylinder, a valve shell fixedly communicated with the outer surface of the opposite side of the pump shell, a piston block slidingly arranged in the pump shell, and a piston rod fixedly installed on the upper surface of the piston block and extending to the outside of the pump shell, two check valve plates are elastically hingedly installed in the valve shells, a connecting plate is installed between the top end of the piston rod and the connecting arm, two communication pipes are fixedly communicated with the valve shells away from the one end, one of the communication pipes is fixedly communicated with the lubricating cylinder, and the other communication pipe is threadedly installed with an output head at the end.

[0011] The lower surface of the bearing table is installed with an arc-shaped abutting seat abutting against the abutting roller, and the abutting roller is rollingly connected with the outer surface of the arc-shaped abutting seat.

[0012] Further, the rotating seat is installed on the upper surface of the electric transfer trolley body through a bearing, and the upper surface of the bearing table is provided with a plurality of anti-skid protrusions.

[0013] Further, the driving gear is fixedly installed on the output shaft of the driving motor, the driven gear is fixedly installed on the outer surface of the rotating seat, and the driving gear and the driven gear are different in size.

[0014] Further, the transmission shaft is a spline shaft, a spline groove matched with the spline shaft is formed in the interior of the stirring rod, and the transmission shaft and the stirring rod are connected with the bearings in the interior of the lubricating cylinder.

[0015] Further, the return spring is wrapped around the top end of the stirring rod, the stirring rod is sleeved on the outer surface of the transmission shaft, and the up-and-down reciprocating movement is realized through the rolling cooperation of the abutting roller and the arc-shaped abutting seat and the deformation of the return spring.

[0016] Further, the upper surface of the electric transfer trolley body and located at the side of the driving motor is bolted with a mounting bracket, and the lubricating cylinder is fixedly installed on the mounting bracket.

[0017] Further, a through hole is formed in the cross section of the mounting bracket, the transmission shaft penetrates through the through hole, and a limiting bearing connected with the transmission shaft is installed in the through hole.

[0018] Further, the pump shell is internally provided with a pump cavity, and the piston block is reciprocatingly arranged in the pump cavity.

[0019] Further, the piston rod extends out of the pump shell and is connected with the stirring rod through the connecting plate to realize the reciprocating movement of the piston block.

[0020] Further, the output end of the output head is directed to the meshing position of the driving gear and the driven gear, and the outer surface of the lubricating cylinder is provided with a stabilizing frame fixed to the valve shell.

[0021] Compared with the prior art, the present application provides a portable high-low voltage switch cabinet electric transfer trolley, which has the following advantages:

[0022] 1. The portable high-low voltage switch cabinet electric transfer trolley can realize the rotation of the high-low voltage switch cabinet through the transmission cooperation of the driving motor, the driving gear and the driven gear, thereby improving the transportation flexibility and achieving the advantages of flexible transportation and high efficiency, and solving the problem of lack of rotation function of the transfer trolley.

[0023] 2. When the driving gear and the driven gear are meshed, the stirring rod is rotated through the transmission shaft, and when the bearing table rotates, the reciprocating movement of the stirring rod is realized through the abutting cooperation of the arc-shaped abutting seat and the abutting roller and the deformation of the return spring, thereby realizing the stirring of the lubricating oil in the lubricating cylinder and improving the activity of the lubricating oil. When the stirring rod reciprocates up and down, the piston rod is driven to reciprocate up and down through the connecting plate, so that the piston block reciprocates in the pump cavity, thereby changing the pressure in the pump cavity and realizing the oil pumping work. The pumped lubricating oil is transported through the output head and sprayed to the connection position of the driving gear and the driven gear, thereby realizing the lubricating work and ensuring the stable lubrication of the driving gear and the driven gear, and improving the adjustment stability of the bearing table. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 It is a structural schematic view of the portable high-low voltage switch cabinet electric transfer trolley of the present application;

[0025] Fig. 2 It is a structural schematic view of the bearing table of the portable high-low voltage switch cabinet electric transfer trolley of the present application;

[0026] Fig. 3 It is a structural schematic view of the rotation mechanism of the portable high-low voltage switch cabinet electric transfer trolley of the present application;

[0027] Fig. 4 It is a structural schematic view of the lubricating mechanism of the portable high-low voltage switch cabinet electric transfer trolley of the present application;

[0028] Fig. 5Structure diagram of oil conveying mechanism of portable high-low voltage switch cabinet electric transfer trolley of the present application

[0029] Fig. 6 Structure diagram of arc abutment seat of portable high-low voltage switch cabinet electric transfer trolley of the present application.

[0030] In the figure: 1, electric transfer trolley body; 2, bearing table; 3, rotating mechanism; 31, driving motor; 32, driving gear; 33, rotating seat; 34, driven gear; 4, mounting frame; 5, lubricating mechanism; 51, lubricating cylinder; 52, transmission shaft; 53, stirring rod; 54, connecting block; 55, return spring; 56, connecting arm; 57, abutting roller; 6, oil conveying mechanism; 61, pump shell; 62, valve shell; 63, piston block; 64, piston rod; 65, check valve plate; 66, communication pipe; 67, output head; 68, connecting plate; 7, arc abutment seat. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0032] Please refer to Figs. 1 to 6 A portable high-low voltage switch cabinet electric transfer trolley, comprising an electric transfer trolley body 1 for high-low voltage switch cabinet transportation, the upper surface of the electric transfer trolley body 1 is provided with a bearing table 2, the rotating seat 33 is installed on the upper surface of the electric transfer trolley body 1 through a bearing, and the upper surface of the bearing table 2 is provided with a plurality of anti-skid protrusions. The bearing table 2 is pushed to the lower side of the high-low voltage switch cabinet, and then the bearing table 2 is lifted by the electric transfer trolley body 1, so that the transportation of the high-low voltage switch cabinet is realized, and the anti-skid protrusions can increase the friction and improve the stability during transportation.

[0033] In order to improve the flexibility during transportation, in the embodiment, a rotating mechanism 3 is arranged between the electric transfer trolley body 1 and the bearing table 2; the rotating mechanism 3 comprises a driving motor 31, driving gears 32 and driven gears 34 in engagement, and a rotating seat 33 welded and installed on the lower surface of the bearing table 2 and rotationally connected with the upper surface of the electric transfer trolley body 1; through the transmission cooperation of the driving motor 31, the driving gears 32 and the driven gears 34, the rotation of the high-low voltage switch cabinet is realized.

[0034] In order to improve the engagement effect of the driving gears 32 and the driven gears 34, the upper surface of the electric transfer trolley body 1 is provided with a lubricating part, which is composed of a lubricating mechanism 5 and an oil conveying mechanism 6.

[0035] The lubricating mechanism 5 comprises a lubricating cylinder 51, a transmission shaft 52 rotatably installed inside the lubricating cylinder 51, and a stirring rod 53, the bottom end of the transmission shaft 52 is fixedly connected with the output shaft of the driving motor 31, the top end of the stirring rod 53 extends to the outside of the lubricating cylinder 51, a connecting block 54 is rotatably installed at the top end of the stirring rod 53, a return spring 55 is fixedly installed between the connecting block 54 and the lubricating cylinder 51, a connecting arm 56 is fixedly installed on the upper surface of the connecting block 54, and a abutting roller 57 is rotatably installed at one end of the connecting arm 56; the upper surface of the electric transport vehicle body 1 and on the side of the driving motor 31 is bolted with a mounting bracket 4, and the lubricating cylinder 51 is fixedly installed on the mounting bracket 4.

[0036] The oil feeding mechanism 6 comprises a pump shell 61 fixedly installed on the outer surface of the lubricating cylinder 51, a valve shell 62 fixedly communicated with the outer surface of the opposite side of the pump shell 61, a piston block 63 slidingly arranged inside the pump shell 61, and a piston rod 64 fixedly installed on the upper surface of the piston block 63 and extending to the outside of the pump shell 61, two check valve plates 65 are elastically hingedly installed in the valve shell 62, a connecting plate 68 is installed between the top end of the piston rod 64 and the connecting arm 56, two communication pipes 66 are fixedly communicated with the valve shell 62 away from each other, one of the communication pipes 66 is fixedly communicated with the lubricating cylinder 51, and the other communication pipe 66 is threadedly installed with an output head 67 at the end; the lower surface of the bearing table 2 is installed with an arc-shaped abutting seat 7 abutting with the abutting roller 57, and the abutting roller 57 is rollingly connected with the outer surface of the arc-shaped abutting seat 7.

[0037] Specifically, the driving gear 32 is fixedly installed on the output shaft of the driving motor 31, the driven gear 34 is fixedly installed on the outer surface of the rotating seat 33, and the driving gear 32 and the driven gear 34 are different in size. The transmission shaft 52 is a spline shaft, the inside of the stirring rod 53 is provided with a spline groove matched with the spline shaft, and the transmission shaft 52 and the stirring rod 53 are both connected with the bearing inside the lubricating cylinder 51. Through the sliding fit of the spline shaft and the spline groove and the deformation of the return spring 55, the up-and-down reciprocating movement of the stirring rod 53 is realized, so that the lubricating oil in the lubricating cylinder 51 is stirred, and the activity of the lubricating oil is improved.

[0038] In this embodiment, the return spring 55 surrounds the top end of the stirring rod 53, the stirring rod 53 is sleeved on the outer surface of the transmission shaft 52, and through the rolling fit of the abutting roller 57 and the arc-shaped abutting seat 7 and the deformation of the return spring 55, the up-and-down reciprocating movement is realized.

[0039] In this embodiment, the mounting bracket 4 is provided with a through hole in the cross section, the transmission shaft 52 penetrates through the through hole, and a limiting bearing connected with the transmission shaft 52 is installed in the through hole. The pump shell 61 is provided with a pump cavity inside, and the piston block 63 is reciprocatingly slidingly arranged in the pump cavity. The piston rod 64 extends out of the pump shell 61 and is used in linkage with the stretching and contracting of the stirring rod 53 through the connecting plate 68, so that the reciprocating movement of the piston block 63 is realized.

[0040] It should be noted that the output end of the output head 67 is directed to the meshing position of the driving gear 32 and the driven gear 34, and the outer surface of the lubricating cylinder 51 is provided with a stabilizing frame fixed to the valve housing 62. The working principle of the oil delivery mechanism 6 is the piston pump principle. When the stirring rod 53 reciprocates up and down, the piston rod 64 is driven to reciprocate up and down through the connecting plate 68, so that the piston block 63 reciprocates in the pump cavity, thereby changing the pressure in the pump cavity, realizing oil pumping, and the pumped lubricating oil is delivered through the output head 67 and sprayed to the connection position of the driving gear 32 and the driven gear 34, realizing lubrication, ensuring stable lubrication of the driving gear 31 and the driven gear 32, and improving the adjustment stability of the bearing table 2.

[0041] The working principle of the above embodiment is as follows:

[0042] In use, the bearing table 2 is pushed to the lower side of the high-low voltage switch cabinet, and then the bearing table 2 is lifted by the electric transfer trolley body 1 to lift the high-low voltage switch cabinet, so that the high-low voltage switch cabinet can be transported. When it is necessary to rotate the high-low voltage switch cabinet, the driving motor 31, the driving gear 32 and the driven gear 34 are driven to rotate the high-low voltage switch cabinet.

[0043] In addition, when the driving gear 32 and the driven gear 34 are meshed, the stirring rod 53 is rotated by the transmission shaft 52, and when the bearing table 2 rotates, the stirring rod 53 reciprocates up and down through the abutting cooperation of the arc-shaped abutting seat 7 and the abutting roller 57, and the deformation of the reset spring 55, so as to realize the stirring of the lubricating oil in the lubricating cylinder 51, improve the activity of the lubricating oil, and realize the stirring of the lubricating oil in the lubricating cylinder 51. When the stirring rod 53 reciprocates up and down, the piston rod 64 is driven to reciprocate up and down through the connecting plate 68, so that the piston block 63 reciprocates in the pump cavity, thereby changing the pressure in the pump cavity, realizing oil pumping, and the pumped lubricating oil is delivered through the output head 67 and sprayed to the connection position of the driving gear 32 and the driven gear 34, realizing lubrication, ensuring stable lubrication of the driving gear 31 and the driven gear 32, and improving the adjustment stability of the bearing table 2.

[0044] The mounting method, connection method or setting method disclosed in the embodiment are common mechanical connection methods, as long as the beneficial effects can be achieved, and the electrical elements appearing in the embodiment are electrically connected with the master controller and the power supply. The master controller can be a conventional known device such as a computer which plays a control role. The skilled in the art can control the electrical elements through simple programming, and the existing disclosed power connection technology also belongs to the common knowledge in the art, so the specific structure composition and working principle of the embodiment will not be described in detail.

[0045] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0046] While the embodiments of the application have been shown and described herein, it is to be understood that the application is not limited to these embodiments. Rather, numerous modifications are possible without departing from the spirit and scope of the present application as delineated by the claims and their equivalents.

Claims

1. A portable high-low voltage switch cabinet electric transfer trolley, comprising an electric transfer trolley body (1) for high-low voltage switch cabinet transportation, characterized in that: The upper surface of the electric transfer trolley body (1) is provided with a bearing table (2), and a rotating mechanism (3) is arranged between the electric transfer trolley body (1) and the bearing table (2); The rotating mechanism (3) comprises a driving motor (31), a driving gear (32) and a driven gear (34) in engagement, and a rotating seat (33) welded and mounted on the lower surface of the bearing table (2) and rotatably connected with the upper surface of the electric transfer trolley body (1); The upper surface of the electric transfer trolley body (1) is provided with a lubricating part, which is composed of a lubricating mechanism (5) and an oil conveying mechanism (6); The lubricating mechanism (5) comprises a lubricating cylinder (51), a transmission shaft (52) and a stirring rod (53) rotatably mounted in the lubricating cylinder (51), the bottom end of the transmission shaft (52) is fixedly connected with the output shaft of the driving motor (31), the top end of the stirring rod (53) extends to the outside of the lubricating cylinder (51), a connecting block (54) is rotatably mounted on the top end of the stirring rod (53), a return spring (55) is fixedly mounted between the connecting block (54) and the lubricating cylinder (51), a connecting arm (56) is fixedly mounted on the upper surface of the connecting block (54), and an abutting roller (57) is rotatably mounted on one end of the connecting arm (56); The oil conveying mechanism (6) comprises a pump housing (61) fixedly mounted on the outer surface of the lubricating cylinder (51), a valve housing (62) fixedly communicated on the opposite outer surface of the pump housing (61), a piston block (63) slidably arranged in the pump housing (61), and a piston rod (64) fixedly mounted on the upper surface of the piston block (63) and extending to the outside of the pump housing (61), two said valve housings (62) are elastically hinged with check valve plates (65), a connecting plate (68) is mounted between the top end of the piston rod (64) and the connecting arm (56), two said valve housings (62) are fixedly communicated with communication pipes (66) away from one end, and one of the communication pipes (66) is fixedly communicated with the lubricating cylinder (51), and the other communication pipe (66) is threadedly mounted with an output head (67) at the end; The lower surface of the bearing table (2) is provided with an arc-shaped abutting seat (7) abutting against the abutting roller (57), and the outer surface of the abutting roller (57) and the arc-shaped abutting seat (7) are rollingly connected.

2. The portable high-low voltage switch cabinet electric transfer trolley according to claim 1, characterized in that: The rotating seat (33) is mounted on the upper surface of the electric transfer trolley body (1) through a bearing, and the upper surface of the bearing table (2) is provided with a plurality of anti-skid protrusions.

3. The portable high-low voltage switch cabinet electric transfer trolley according to claim 1, characterized in that: The driving gear (32) is fixedly mounted on the output shaft of the driving motor (31), the driven gear (34) is fixedly mounted on the outer surface of the rotating seat (33), and the driving gear (32) and the driven gear (34) are different in size.

4. The portable high-low voltage switch cabinet electric transfer trolley according to claim 1, characterized in that: The transmission shaft (52) is a spline shaft, the inside of the stirring rod (53) is provided with a spline groove matched with the spline shaft, and the transmission shaft (52) and the stirring rod (53) are connected with bearings in the lubricating cylinder (51).

5. The portable high-low voltage switchgear electric transfer trolley according to claim 1, characterized in that: The reset spring (55) surrounds the top end outer surface of the stirring rod (53), the stirring rod (53) is sleeved on the outer surface of the transmission shaft (52), the upper and lower reciprocating movement is realized by the rolling cooperation of the abutting roller (57) and the arc abutting seat (7) and the deformation of the reset spring (55).

6. The portable high-low voltage switchgear motor trolley jack of claim 1, wherein: The upper surface of the electric transfer trolley body (1) and the side of the driving motor (31) are bolted with a mounting rack (4), and the lubricating cylinder (51) is fixedly installed on the mounting rack (4).

7. The portable high-low voltage switchgear motor trolley vehicle according to claim 6, characterized in that: The mounting rack (4) is provided with a through hole in the cross section, the transmission shaft (52) penetrates through the through hole, and a limiting bearing connected with the transmission shaft (52) is installed in the through hole.

8. The portable high-low voltage switchgear motor trolley jack of claim 1, wherein: The pump cavity is arranged in the pump shell (61), and the piston block (63) is reciprocatingly arranged in the pump cavity.

9. The portable high-low voltage switchgear motor trolley jack of claim 1, wherein: The piston rod (64) extends out of the pump shell (61) and is connected with the extension and retraction of the stirring rod (53) through the connecting plate (68) to realize the reciprocating movement of the piston block (63).

10. The portable high-low voltage switchgear motor trolley jack of claim 1, wherein: The output end of the output head (67) is towards the meshing position of the driving gear (32) and the driven gear (34), and the outer surface of the lubricating cylinder (51) is provided with a stabilizing frame fixed with the valve shell (62).

Citation Information

Patent Citations

  • 35-kilovolt trolley switch cabinet electric transfer trolley

    CN221678761U

  • Cement mixer for constructional engineering

    CN114274352A

  • Lubricating oil feeding device for engine

    JP1993187214A