Semitrailer numerical control electric supporting leg with protection structure
By designing a protective structure of cleaning cotton and protective plates on the semi-trailer outriggers, the problem of aging of the rubber telescopic sleeves is solved, dust cleaning and protection are achieved, and the practicality of the outriggers is improved.
Patent Information
- Application Number
- CN202422982050.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The rubber expansion sleeves of existing semi-trailer outriggers are prone to aging after long-term use, resulting in an inability to effectively isolate water and dust, thereby reducing practicality.
A CNC electric outrigger for a semi-trailer with a protective structure is designed, which includes an electric outrigger body, an electric control box, an installation mechanism, a cleaning component and a protective mechanism. The telescopic legs are cleaned and protected by cleaning cotton and a protective plate to prevent collision.
The system realizes dust cleaning and real-time protection during the movement of the telescopic legs, improves the practicality of the legs, prevents the aging of the rubber telescopic sleeves, and extends the service life.
Smart Images

Figure CN223340607U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of semi-trailer outriggers, in particular to a semi-trailer digitally controlled electric outrigger with a protective structure. Background Art
[0002] A semi-trailer is a trailer whose axle is placed behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and is equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. When the semi-trailer does not have a front end for towing, it needs to be supported by semi-trailer legs.
[0003] After searching, a Chinese patent (application number "202320807993.8") discloses "a semi-trailer leg". The semi-trailer leg includes a square support sleeve, a square telescopic leg is arranged inside the square support sleeve, a screw is arranged inside the square support sleeve, the screw is rotatably connected to the square support sleeve, the upper end of the square telescopic leg is fixedly connected to an internally threaded sleeve, and the internally threaded sleeve is threadedly connected to the screw. A flange is welded to the lower part of the square telescopic leg, and the flange is connected to a connecting plate by bolts. The bottom of the connecting plate is fixedly connected to an axle seat, and a rotating frame is rotatably connected to the axle seat. The rotating frame is rotatably connected to an abutment plate. A rubber telescopic sleeve is installed between the lower end of the square support sleeve and the flange, and a sealing ring is provided at the connection between the connecting plate and the flange. However, during use of the semi-trailer leg, the rubber telescopic sleeve is exposed to the external environment. After long-term use, the rubber telescopic sleeve will age and be damaged, resulting in the rubber telescopic sleeve being unable to isolate water and dust, and having low practicality. Utility Model Content
[0004] The utility model provides a semi-trailer CNC electric outrigger with a protective structure, which solves the problem that the rubber expansion sleeve of the comparative document will age and be damaged, resulting in the rubber expansion sleeve being unable to isolate water and dust and having low practicality.
[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0006] A semi-trailer CNC electric outrigger with a protective structure, comprising an electric outrigger body and an electric control box connected to the upper outer wall of one side of the electric outrigger body by bolts, a mounting mechanism is provided in the middle of the electric outrigger body, the mounting mechanism comprises a mounting frame connected to the middle outer wall of the electric outrigger body by bolts and a fixing frame fixed to the bottom outer wall of the mounting frame, two cleaning assemblies are provided at the bottom of the fixing frame, the cleaning assemblies comprise a connecting frame and cleaning cotton abutting against the lower outer wall of the electric outrigger body, and a protective cover is provided below the electric outrigger body. A protection mechanism, the protection mechanism includes a side protection plate abutting against the outer wall of one side of the fixed frame and two side protection plates respectively abutting against the outer walls on both sides of the fixed frame, a connecting component is provided between the two side protection plates, the connecting component includes connecting plates respectively fixed on the outer walls of one side of the two side protection plates and a connecting block hinged on the outer wall of the lower part of the electric support leg body, two limiting components are provided on the outer walls of one side and both sides of the fixed frame, the limiting component includes a limiting column fixed on the outer wall of the fixed frame and a stud fixed on the outer wall of one end of the limiting column.
[0007] Preferably, corner fixing blocks are fixed on the inner walls of the four corners of the lower part of the fixing frame, side fixing blocks are fixed on the inner walls of the two sides of the lower part of the fixing frame, and side fixing blocks are fixed on the outer walls of the two sides of the lower part of the fixing frame.
[0008] Preferably, the connecting frame is connected to the outer walls of the bottoms of two corner fixing blocks, one edge fixing block and two side fixing blocks respectively by bolts, and the cleaning cotton is fixed on the inner wall of the connecting frame.
[0009] Through the above solution, the telescopic legs of the electric support legs move so that the telescopic legs move along a square space formed by two cleaning cottons. During the movement, the cleaning cottons clean the dust attached to the telescopic legs.
[0010] Preferably, the edge protection plate is hinged on the lower outer wall of the electric support leg body, and the two side protection plates are respectively fixed on the outer wall of one side of the edge protection plate, and two slideways are provided on the edge protection plate and the outer walls of the two side protection plates.
[0011] Preferably, one side of the connecting plate abuts against the lower outer wall of one side of the electric leg body, and the connecting block is fixed on one side of the outer wall of the bottom of the connecting plate.
[0012] Preferably, the limiting column is slidably sleeved in the slideway, and a limiting ring is screwed on the outer wall of the stud.
[0013] Through the above scheme, the telescopic legs of the electric outrigger body are protected by the side guard plate and the two side guard plates. At the same time, when the telescopic legs move, the side guard plates and the two side guard plates are driven to move along the corresponding limit columns respectively, thereby providing real-time protection for the telescopic legs.
[0014] The beneficial effects of the utility model are:
[0015] The telescopic legs of the electric outrigger move, causing the telescopic legs to move along a square space formed by two cleaning cottons. During the movement, the cleaning cotton cleans the dust attached to the telescopic legs. The side guard plates and two side guard plates protect the telescopic legs of the electric outrigger body. At the same time, when the telescopic legs move, they drive the side guard plates and the two side guard plates to move along the corresponding limit columns respectively, providing real-time protection for the telescopic legs. The telescopic legs can be protected in real time when they move to prevent the telescopic legs from being hit, and the dust on the telescopic legs can be cleaned at the same time, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the overall main structure of a semi-trailer CNC electric outrigger with a protective structure proposed by the utility model.
[0017] Figure 2 This is a schematic diagram of the overall side view of a semi-trailer CNC electric outrigger with a protective structure proposed by the utility model.
[0018] Figure 3 This is a schematic diagram of the main structure of the installation mechanism of a semi-trailer CNC electric outrigger with a protective structure proposed by the utility model.
[0019] Figure 4 The utility model is a bottom view schematic diagram of the installation mechanism of the CNC electric outrigger of a semi-trailer with a protective structure.
[0020] Figure 5 This is a schematic diagram of the main structure of a cleaning component of a semi-trailer CNC electric outrigger with a protective structure proposed by the utility model.
[0021] Figure 6 The utility model is a schematic diagram of the main structure of the protective mechanism of the CNC electric outrigger of a semi-trailer with a protective structure.
[0022] Figure 7 This is a schematic diagram of the main structure of the connection assembly of a semi-trailer CNC electric outrigger with a protective structure proposed by the utility model.
[0023] Figure 8 This is an exploded view of the connection assembly of a semi-trailer CNC electric outrigger with a protective structure proposed by the utility model.
[0024] In the figure: 1. Electric outrigger body; 2. Electric control box; 3. Mounting mechanism; 301. Mounting frame; 302. Fixing frame; 303. Corner fixing block; 304. Edge fixing block; 305. Side fixing block; 4. Cleaning assembly; 401. Connecting frame; 402. Cleaning cotton; 5. Protection mechanism; 501. Edge protection plate; 502. Side protection plate; 6. Connecting assembly; 601. Connecting plate; 602. Connecting block; 7. Limiting assembly; 701. Limiting column; 702. Stud; 703. Limiting ring. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0026] Example 1, with reference to Figure 1-5 A semi-trailer CNC electric outrigger with a protective structure includes an electric outrigger body 1 and an electric control box 2 connected to the upper outer wall of one side of the electric outrigger body 1 by bolts. A mounting mechanism 3 is provided in the middle of the electric outrigger body 1. The mounting mechanism 3 includes a mounting frame 301 connected to the middle outer wall of the electric outrigger body 1 by bolts and a fixing frame 302 fixed to the bottom outer wall of the mounting frame 301. Corner fixing blocks 303 are fixed on the inner walls of the four corners of the lower part of the fixing frame 302. Side fixing blocks 304 are fixed on the inner walls of both sides of the lower part of the fixing frame 302. Side fixing blocks 305 are fixed on the outer walls, and two cleaning components 4 are provided at the bottom of the fixing frame 302. The cleaning component 4 includes a connecting frame 401 and cleaning cotton 402 abutting against the outer wall of the lower part of the electric support leg body 1. The connecting frame 401 is respectively connected to two of the corner fixing blocks 303, one of the side fixing blocks 304 and the outer walls of the bottom of the two side fixing blocks 305 by bolts. The cleaning cotton 402 is fixed on the inner wall of the connecting frame 401. The cleaning cotton 402 consists of a U-shaped frame made of metal and a sponge fixed in the U-shaped frame. A square structure space is formed between the two cleaning cottons 402.
[0027] Example 2, reference Figure 6-7, a semi-trailer CNC electric outrigger with a protective structure, also includes a protective mechanism 5, the protective mechanism 5 includes a side guard plate 501 abutting against the outer wall of one side of the fixed frame 302 and two side guard plates 502 respectively abutting against the outer walls on both sides of the fixed frame 302, the side guard plate 501 is hinged to the outer wall of the lower part of the electric outrigger body 1, the two side guard plates 502 are respectively fixed on the outer wall of one side of the side guard plate 501, and two slides are provided on the outer walls of the side guard plate 501 and the two side guard plates 502. A connecting component 6 is provided between the two side guard plates 502, and the connecting component 6 includes two fixed on both sides. The connecting plate 601 on the outer wall of one side of the side protective plate 502 and the connecting block 602 hinged on the lower outer wall of the electric support leg body 1, one side of the connecting plate 601 is in contact with the lower outer wall of one side of the electric support leg body 1, and the connecting block 602 is fixed on the outer wall of one side of the bottom of the connecting plate 601. Two limit assemblies 7 are provided on one side and both sides of the outer wall of the fixed frame 302. The limit assembly 7 includes a limit column 701 fixed on the outer wall of the fixed frame 302 and a stud 702 fixed on the outer wall of one end of the limit column 701. The limit column 701 is slidably sleeved in the slide, and a limit ring 703 is screwed on the outer wall of the stud 702.
[0028] Working principle: The telescopic leg of the electric outrigger body 1 moves, causing the telescopic leg to move along a square space formed by two cleaning cottons 402. During the movement, the cleaning cotton 402 cleans the dust attached to the telescopic leg. The side protection plate 501 and the two side protection plates 502 protect the telescopic leg of the electric outrigger body 1. At the same time, when the telescopic leg moves, it drives the side protection plate 501 and the two side protection plates 502 to move along the corresponding limit columns 701 respectively, providing real-time protection for the telescopic leg.
[0029] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A CNC electric outrigger for a semi-trailer with a protective structure, comprising an electric outrigger body (1) and an electric control box (2) connected to an upper outer wall of one side of the electric outrigger body (1) by bolts, characterized in that: A mounting mechanism (3) is provided in the middle of the electric leg support body (1), and the mounting mechanism (3) comprises a mounting frame (301) connected to the outer wall of the middle portion of the electric leg support body (1) by bolts, and a fixing frame (302) fixed to the outer wall of the bottom of the mounting frame (301); Two cleaning components (4) are provided at the bottom of the fixing frame (302), and the cleaning components (4) include a connecting frame (401) and cleaning cotton (402) abutting against the lower outer wall of the electric leg body (1); A protective mechanism (5) is provided below the electric leg body (1), and the protective mechanism (5) comprises a side protective plate (501) abutting against an outer wall of one side of the fixing frame (302) and two side protective plates (502) abutting against outer walls on both sides of the fixing frame (302). A connecting assembly (6) is provided between the two side protection plates (502), and the connecting assembly (6) comprises two connecting plates (601) fixedly provided on the outer walls of one side of the two side protection plates (502) and a connecting block (602) hingedly connected to the outer wall of the lower portion of the electric support leg body (1); Two limiting assemblies (7) are provided on one side and two side outer walls of the fixing frame (302), and the limiting assemblies (7) include a limiting column (701) fixed on the outer wall of the fixing frame (302) and a stud (702) fixed on the outer wall of one end of the limiting column (701).
2. The CNC electric outrigger with a protective structure for a semi-trailer according to claim 1, characterized in that: Corner fixing blocks (303) are fixedly provided on the inner walls of the four corners of the lower portion of the fixing frame (302), side fixing blocks (304) are fixedly provided on the inner walls of the two sides of the lower portion of the fixing frame (302), and side fixing blocks (305) are fixedly provided on the outer walls of the two sides of the lower portion of the fixing frame (302).
3. The CNC electric outrigger with a protective structure for a semi-trailer according to claim 1, characterized in that: The connecting frame (401) is connected to the outer bottom walls of two corner fixing blocks (303), one edge fixing block (304) and two side fixing blocks (305) respectively by bolts, and the cleaning cotton (402) is fixed on the inner wall of the connecting frame (401).
4. The CNC electric outrigger with a protective structure for a semi-trailer according to claim 1, characterized in that: The side protection plate (501) is hinged to the lower outer wall of the electric support leg body (1), and the two side protection plates (502) are respectively fixed on the outer wall of one side of the side protection plate (501). Two slideways are provided on the outer walls of the side protection plate (501) and the two side protection plates (502).
5. The CNC electric outrigger with a protective structure for a semi-trailer according to claim 1, characterized in that: One side of the connecting plate (601) is in contact with the lower outer wall of one side of the electric leg support body (1), and the connecting block (602) is fixed on the outer wall of one side of the bottom of the connecting plate (601).
6. The CNC electric outrigger with a protective structure for a semi-trailer according to claim 4, characterized in that: The limiting column (701) is slidably sleeved in the slideway, and a limiting ring (703) is screwed on the outer wall of the stud (702).
Citation Information
Patent Citations
Semitrailer supporting leg
CN219382448U