Tool for disassembling and assembling tire in short distance

Abstract

The utility model discloses a tool for dismounting and mounting a tire in a short distance, which relates to the technical field of tire maintenance equipment and comprises a movable support, two tire supports and a hydraulic jack, the two tire supports are respectively mounted on two sides of the movable support, one end of each tire support is rotatably connected with the movable support, and the other end of each tire support is rotatably connected with the hydraulic jack. The other end of the hydraulic jack can be driven by the lifting assembly to move in the vertical direction, the hydraulic jack is fixedly installed on the movable support, a rocker used for driving the hydraulic jack is arranged on the hydraulic jack, and an auxiliary supporting assembly is arranged on the movable support; the tire assembling and transporting device is novel in structure, convenient to use, accurate in positioning and convenient to disassemble, assemble, replace and maintain, solves the problems of low efficiency and high labor cost during tire assembling and transporting, and is suitable for underground trackless equipment.

Description

Technical Field

[0001] This utility model relates to the field of tire repair equipment technology, specifically to a tool for short-distance tire removal and installation. Background Technology

[0002] Traditionally, tire removal and installation for trackless underground vehicles are accomplished using a gantry crane and manual labor. This method is not only time-consuming and labor-intensive but also poses certain safety hazards. Therefore, a tool for short-distance tire removal and installation was designed and manufactured. This tool is not only time-saving and labor-saving and easy to operate, but also reduces the risk of accidents during tire removal and installation. Utility Model Content

[0003] The purpose of this invention is to provide a tool for short-distance tire installation and removal, aiming to solve the problems of high labor intensity and low safety in the aforementioned background technology.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a tool for short-distance tire installation and removal, comprising a movable support, a tire support, and a hydraulic jack. The tire support is provided in two sets, which are respectively installed on both sides of the movable support and one end is rotatably connected to the movable support, while the other end can move vertically under the drive of the lifting assembly. The hydraulic jack is fixedly installed on the movable support and is provided with a rocker arm for driving the jack. The movable support is provided with an auxiliary support assembly.

[0005] Furthermore, the movable support includes a concave support, two omnidirectional wheels and two directional wheels. The concave support is welded from three square steel bars and includes a crossbeam and two arms. The hydraulic jack is fixedly installed in the middle of the crossbeam. The two omnidirectional wheels are installed at the bottom rear end of the concave support, and the two directional wheels are installed at the bottom front end of the concave support. The auxiliary support components are provided in four parts and are respectively located at the four corners of the concave support.

[0006] Furthermore, the tire bracket includes a fixed shaft, two crank arms, and a rotating shaft. The fixed shaft is fixedly welded to the two arms of the concave bracket. One end of each of the two crank arms is rotatably connected to the two ends of the fixed shaft. The rotating shaft is rotatably mounted between the other ends of the two crank arms and has a roller sleeved on its outer side wall.

[0007] Furthermore, the lifting assembly includes two columns, a lifting frame, a crossbar, and two diagonal braces. The two columns are fixedly installed on the movable support and located on both sides of the hydraulic jack. Limit plates are fixedly installed on the tops of the two columns. The lifting frame is slidably installed between the two columns. The output end of the hydraulic jack is fixedly connected to the bottom end of the lifting frame. The crossbar is fixedly installed on the lifting frame. The tops of the two diagonal braces are respectively hinged to the two ends of the crossbar, and the bottoms are respectively hinged to the tire bracket.

[0008] Furthermore, the auxiliary support assembly includes a first support plate and a second support plate spaced vertically on the side wall of the movable bracket. A hydraulic cylinder is installed on the top of the first support plate, and a hydraulic telescopic column is fixedly connected to the bottom of the hydraulic cylinder. A connecting sleeve is fixedly connected to the bottom end of the surface of the hydraulic telescopic column. A support arm is hinged to the connecting sleeve through a hinge seat. A support base is fixedly connected to the bottom end of the support arm, and a foot is fixedly connected to the bottom of the hydraulic telescopic column.

[0009] This utility model has the following beneficial effects:

[0010] This invention provides a tool for short-distance tire assembly and disassembly. By rocking the lever up and down, a jack is raised, which in turn drives a lifting frame to rise via a column. The lifting frame, through a horizontal plate, moves a pull rod, thereby adjusting the angle of the tire bracket to accommodate tires of different sizes and achieving tire positioning. An auxiliary support component provides stable support for the device. This invention features a novel structure, is easy to use, provides accurate positioning, and is convenient for disassembly, replacement, and maintenance. It solves the problems of low efficiency and high labor costs in tire assembly and transportation, and is suitable for use in trackless underground equipment. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the rear structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the forward structure of this utility model;

[0013] Figure 3 This is a schematic diagram of the tire bracket structure in this utility model;

[0014] Figure 4 This is a schematic diagram of the auxiliary support component in this utility model;

[0015] In the diagram: 1. Movable support; 101. Concave support; 102. Caster wheel; 103. Directional wheel; 2. Tire support; 201. Fixed shaft; 202. Crank arm; 203. Rotating shaft; 204. Roller; 3. Hydraulic jack; 4. Rocker arm; 5. Column; 6. Lifting frame; 7. Horizontal bar; 8. Diagonal bar; 9. Limiting plate; 10. First support plate; 11. Second support plate; 12. Hydraulic cylinder; 13. Hydraulic telescopic column; 14. Connecting sleeve; 15. Support arm; 16. Support base; 17. Foot. Detailed Implementation

[0016] like Figures 1 to 4As shown, a tool for short-distance tire mounting and dismounting includes a movable support 1, a tire support 2, and a hydraulic jack 3. Two sets of tire supports 2 are provided, each set mounted on both sides of the movable support 1 with one end rotatably connected to the movable support 1 and the other end movable vertically under the drive of a lifting assembly. The hydraulic jack 3 is fixedly mounted on the movable support 1 and has a rocker arm 4 for driving it. The movable support 1 includes a concave support 101, two casters 102, and two directional wheels 103. The concave support 101 is welded from three square steel bars and includes a crossbeam and two arms. Four auxiliary support components are provided and are respectively located at the four corners of the concave support 101. The hydraulic jack 3 is fixedly mounted in the middle of the crossbeam. The two casters 102 are mounted at the bottom rear end of the concave support 101, and the two directional wheels 103 are mounted at the bottom front end of the concave support 101.

[0017] The tire bracket 2 includes a fixed shaft 201, two crank arms 202 and a rotating shaft 203. The fixed shaft 201 is fixedly welded to the two arms of the concave bracket 101. One end of each of the two crank arms 202 is rotatably connected to the two ends of the fixed shaft 201. The rotating shaft 203 is rotatably installed between the other ends of the two crank arms 202 and a roller 204 is sleeved on its outer wall to reduce the friction when the tire moves. One end of the tire bracket 2 is connected to the fixed shaft 201 at the top of the main frame 1 and can rotate around the fixed shaft 201. The other end is used to grab the tire that needs to be removed during operation, so that the tire can be stably fixed on the disassembly and assembly equipment.

[0018] The lifting assembly includes two columns 5, a lifting frame 6, a crossbar 7, and two diagonal bars 8. The two columns 5 are fixedly installed on the movable support 1 and located on both sides of the hydraulic jack 3. Limit plates 9 are fixedly installed on the top of the two columns 5. The lifting frame 6 is slidably installed between the two columns 5. The output end of the hydraulic jack 3 is fixedly connected to the bottom end of the lifting frame 6. The crossbar 7 is fixedly installed on the lifting frame 6. The top ends of the two diagonal bars 8 are respectively hinged to the two ends of the crossbar 7, and the bottom ends are respectively hinged to the tire bracket 2. The movement of the diagonal bars 8 is driven by the lifting of the crossbar 7, thereby changing the position and shape of the tire bracket 2.

[0019] The auxiliary support assembly includes a first support plate 10 and a second support plate 11, which are spaced apart vertically on the side wall of the movable bracket 1. A hydraulic cylinder 12 is mounted on the top of the first support plate 10. A hydraulic telescopic column 13 is fixedly connected to the bottom of the hydraulic cylinder 12. A connecting sleeve 14 is fixedly connected to the bottom of the surface of the hydraulic telescopic column 13. A hinge seat is fixedly connected to the surface of the connecting sleeve 14. A support arm 15 is hinged inside the hinge seat. A support base 16 is fixedly connected to the bottom of the support arm 15. A foot 17 is fixedly connected to the bottom of the hydraulic telescopic column 13. When this device is in use, the auxiliary support assembly supports the device. The hydraulic cylinder 12 is activated to drive the hydraulic telescopic column 13 to descend and lift the device. The support arm 15 and the support base 16 work together to achieve stable support for the device.

[0020] The specific operation process of this utility model is as follows:

[0021] By pushing the rocker arm 4, the device is moved to the vicinity of the construction site. When it is necessary to assemble the tire, the device is stably supported by the auxiliary support component. By rocking the rocker arm 4 up and down, the hydraulic jack 3 is pushed up. The hydraulic jack 3 drives the lifting frame 6 to rise through the column 5. The lifting frame 6 drives the diagonal bar 8 through the horizontal plate 7, which in turn drives the tire bracket 2 to rise, causing the tire to loosen from the wheel hub. The auxiliary support component is then lifted, and the device is pulled outward to remove the tire.

Claims

1. A tool for short distance dismounting of a tyre, characterized in that: The device includes a movable support (1), a tire support (2), and a hydraulic jack (3). The tire support (2) is provided in two sets. The two sets of tire supports (2) are respectively installed on both sides of the movable support (1) and one end is rotatably connected to the movable support (1). The other end can move vertically under the drive of the lifting component. The hydraulic jack (3) is fixedly installed on the movable support (1). The hydraulic jack (3) is provided with a rocker arm (4) for driving the jack. The movable support (1) is provided with an auxiliary support component.

2. A tool for short distance dismounting of tyres according to claim 1, characterized in that, The movable support (1) includes a concave support (101), two casters (102) and two directional casters (103). The concave support (101) is welded from three square steel bars and includes a crossbeam and two arms. The hydraulic jack (3) is fixedly installed in the middle of the crossbeam. The two casters (102) are installed at the bottom rear end of the concave support (101), and the two directional casters (103) are installed at the bottom front end of the concave support (101). The auxiliary support components are provided in four parts and are respectively set at the four corners of the concave support (101).

3. A tool for short distance dismounting of tyres according to claim 2, characterized in that, The tire bracket (2) includes a fixed shaft (201), two crank arms (202) and a rotating shaft (203). The fixed shaft (201) is fixedly welded to the two arms of the concave bracket (101). One end of each of the two crank arms (202) is rotatably connected to the two ends of the fixed shaft (201). The rotating shaft (203) is rotatably installed between the other ends of the two crank arms (202) and a roller (204) is sleeved on its outer side wall.

4. A tool for short distance dismounting of tyres according to claim 1, characterized in that, The lifting assembly includes two columns (5), a lifting frame (6), a crossbar (7), and two diagonal bars (8). The two columns (5) are fixedly installed on the movable support (1) and located on both sides of the hydraulic jack (3). Limiting plates (9) are fixedly installed on the top of the two columns (5). The lifting frame (6) is slidably installed between the two columns (5). The output end of the hydraulic jack (3) is fixedly connected to the bottom end of the lifting frame (6). The crossbar (7) is fixedly installed on the lifting frame (6). The top ends of the two diagonal bars (8) are respectively hinged to the two ends of the crossbar (7), and the bottom ends are respectively hinged to the tire bracket (2).

5. A tool for short distance dismounting of tyres according to claim 1, characterized in that, The auxiliary support assembly includes a first support plate (10) and a second support plate (11) spaced apart on the side wall of the movable bracket (1). A hydraulic cylinder (12) is installed on the top of the first support plate (10). A hydraulic telescopic column (13) is fixedly connected to the bottom of the hydraulic cylinder (12). A connecting sleeve (14) is fixedly connected to the bottom of the surface of the hydraulic telescopic column (13). A support arm (15) is hinged to the surface of the connecting sleeve (14) through a hinge seat. A support seat (16) is fixedly connected to the bottom of the support arm (15). A foot (17) is fixedly connected to the bottom of the hydraulic telescopic column (13).

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