A tire disassembly and assembly tool for underground large mining vehicles

Abstract

The utility model discloses a tire disassembly and assembly tool for underground large mining vehicles, including a positioning device, a disassembly and assembly assembly installed on the side wall of the positioning device, the positioning device including a positioning plate and a positioning frame installed on the side wall of the positioning plate, the disassembly and assembly assembly including a disassembly and assembly plate arranged on the inner side of the positioning frame, and a guide rod penetrating the positioning plate installed on the side wall of the disassembly and assembly plate. When changing tires, the utility model can drive the trackless equipment with damaged tires slowly to a maintenance chamber or replace the tires on site. The tire changing tool is simple to operate and works safely and reliably.

Description

Technical Field

[0001] The utility model relates to the technical field of tire disassembly and assembly production, in particular to a tire disassembly and assembly tool for a large underground mining vehicle. Background Art

[0002] In underground production activities, loaders and mining trucks are responsible for shoveling waste rock and ore. Due to the poor road conditions underground, it is necessary to replace large tires that are severely worn or damaged for other reasons in a timely manner.

[0003] The order of assembling the tire is to put the left ring of the side ring on from the right side of the rim and move it to the left side of the rim, put the tire on from the right side of the rim, and then put on from the right side of the rim in sequence: the right ring of the side ring, the tire seat ring, the O-ring - then put on the (elastic opening) locking ring (the pulled out part) and clamp it into the groove on the outer circumference of the rim, and finally insert one end of the (two) cross locking blocks into the hole above the circumference of the rim end, and clamp the other end into the middle of the groove block, so that after the tire is inflated, the two cross locking blocks are tightly clamped between the rim and the tire seat ring.

[0004] When the large tires of trackless equipment need to be replaced, the traditional method is to lift the body of the vehicle at the damaged tire with a jack to make the damaged tire off the ground, and then use road planks to support it firmly, then remove all the nuts of the 23 rim bolts (there are also not 23 bolts), and then use a special forklift to transport the tire and rim assembly of about 500-600 kilograms to a special tire changing machine. After the tire change is completed, the new tire assembly is transported back to the trackless equipment and the nuts of the 23 rim bolts are tightened. The work done on the tire changing machine is mainly: the two serial number cross lock blocks are loose after the tire is deflated and can be directly pried off. Then, if you want to remove the tire, the first key is to pry out the lock ring, but the inner diameter of the lock ring is stuck in the groove of the rim, and the outer diameter of the lock ring opening lock ring is held by the tire seat ring. The reason why the tire seat ring is against the lock ring is: the tire lip thickness is 70mm or more, and the elasticity is very large. The right ring of the side ring is pressed against the tire seat ring, so that the tire seat ring is pressed against the lock ring. At this time, only by using the tire changing machine to press the tire seat ring together with the right ring from the outside axially inward for an appropriate distance can the lock ring opening lock ring be pried out, so as to remove the O-ring, tire seat ring, right ring and tire in turn, and remove the lock ring, O-ring, tire seat ring and side ring. On the contrary, when assembling a new tire, after putting on the new tire, right ring, and tire seat ring in turn, the tire seat ring and the side ring are pressed inward by the tire changing machine, and then the O-ring, lock ring and cross lock block are installed.

[0005] The main technical defects of the above-mentioned traditional tire changing method are: complicated process, many links, many safety hazards, high labor intensity, low efficiency, easy to cause damage to the rim and rim bolts, and large investment in tire changing equipment and facilities. 1. When changing a tire, the damaged tire is removed together with the rim assembly, and finally the new tire assembly is assembled on the equipment. The main defects are: the disassembly and assembly of the 23 rim bolts takes a long time, about 2 hours; the repeated disassembly and assembly of the rim bolts causes damage to the rim bolt threads and insufficient preload, which causes the rim bolt holes to be worn out during operation. It is necessary to replace the damaged bolts and repair the rim or replace the rim, which is expensive; in the process of disassembling and assembling the tire weighing 500-600 kg or more from the equipment together with the rim assembly, the assembly is bulky and prone to personal injury or equipment damage, and it is also time-consuming to align the 23 bolt holes during assembly; 2. The tire and the rim assembly are moved to the tire changing machine, and then moved from the tire changing machine to the trackless equipment after the tire is changed. The main disadvantages are: a special forklift and a tire changing machine are required, as well as a tire changing workshop, which requires a large investment of about 1 million yuan or more; it is laborious and time-consuming to move the bulky assembly back and forth between the trackless equipment that needs to be changed and the tire changing workshop, as well as to change the tire on the tire changing machine, which is inefficient. If the tire changing machine workshop is underground, it takes 3 hours to change the tire back and forth, and if the workshop is on the surface, it takes 8 hours to change the tire back and forth, as well as other uncertain factors. Even if the assembly is prepared in advance, the total labor and time consumption remain unchanged. Utility Model Content

[0006] The utility model aims to solve the shortcomings of the prior art and proposes a tire disassembly and assembly tool for underground large mining vehicles. When changing tires, the trackless equipment with damaged tires can be slowly driven to a maintenance chamber or the tires can be replaced on the spot. The tire changing tool is easy to operate and works safely and reliably.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A tire disassembly and assembly tool for underground large mining vehicles, comprising a positioning device, a disassembly and assembly assembly being installed on the side wall of the positioning device, the positioning device comprising a positioning plate and a positioning frame installed on the side wall of the positioning plate, the disassembly and assembly assembly comprising a disassembly and assembly plate arranged on the inner side of the positioning frame, a guide rod penetrating the positioning plate being installed on the side wall of the disassembly and assembly plate, and a driving assembly for controlling the linear movement of the guide rod being arranged on the outer side wall of the positioning plate.

[0009] Preferably, the driving assembly is a threaded sleeve, and the surface of the guide rod is provided with an external thread matching the threaded sleeve.

[0010] Preferably, the guide rods are symmetrically arranged in two groups.

[0011] Preferably, locking components are installed on both sides of the disassembly and assembly plate, and the locking components extend toward the outside.

[0012] Preferably, the locking assembly comprises a locking block and a locking bolt for fixing the locking block.

[0013] Preferably, a strip opening is provided on the surface of the disassembly plate for the locking bolt to pass through.

[0014] Preferably, a positioning notch is formed on the inner side of the end of the positioning frame, and the positioning notch is located on the side away from the positioning plate.

[0015] Preferably, strip plates are fixed to the side walls on both sides of the positioning plate.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] By using the disassembly and assembly tool, there is no need to disassemble and assemble 23 wheel rim bolts, and the tire can be directly changed on the trackless equipment. The weight of the tire without the rim assembly is greatly reduced, and it can be temporarily transported by a scraper or manually rolled by more than two people. There is no need for a special tire transport forklift, nor a tire changing machine and a tire changing machine workshop. The investment is small, and the production cost of the tool of the utility model is about 2,000 yuan. In addition, when changing the tire, the trackless equipment with the damaged tire can be slowly driven to the maintenance chamber or the tire can be replaced on the spot. The tire changing tool is simple to operate and works safely and reliably. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of a large mining car tire in the prior art.

[0019] Figure 2 It is a structural schematic diagram of the utility model.

[0020] Figure 3 For this utility model Figure 2 A is an enlarged structural diagram of FIG.

[0021] In the figure: 1, rim; 2, bladderless tire; 201, side ring; 202, tire seat; 202-1, groove block; 203, locking ring; 204, O-ring; 3, tire valve; 400, locking assembly; 410, locking block; 420, locking bolt; 500, positioning device; 510, positioning frame; 511, positioning notch; 520, positioning plate; 530, strip plate; 600, driving assembly; 700, disassembly assembly; 710, disassembly plate; 711, strip opening; 720, guide rod. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model is described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0024] See attached Figure 1 -Attached Figure 3 A large underground mining car tire disassembly and assembly tool includes a positioning device 500, a disassembly and assembly component 700 is installed on the side wall of the positioning device 500, the positioning device 500 includes a positioning plate 520 and a positioning frame 510 installed on the side wall of the positioning plate 520, the disassembly and assembly component 700 includes a disassembly and assembly plate 710 arranged on the inner side of the positioning frame 510, a guide rod 720 penetrating the positioning plate 520 is installed on the side wall of the disassembly and assembly plate 710, and a driving component 600 for controlling the linear movement of the guide rod 720 is arranged on the outer side wall of the positioning plate 520.

[0025] During the disassembly of the tires of large mining vehicles, the disassembly plate 710 is first pressed against the side of the tire seat ring 202. After the disassembly plate 710 has locked the tire seat ring 202 from the inside, the drive assembly 600 can drive the disassembly plate 710 to move toward the positioning plate 520, and the tire seat ring 202 is disassembled and unloaded through the disassembly plate 710, and the tire is subsequently disassembled.

[0026] During this process, the positioning frame 510 is pressed tightly against the surface of the tire of the large mining vehicle to ensure the stability of the overall structure during the disassembly process.

[0027] Preferably, the drive assembly 600 is a threaded sleeve, and the surface of the guide rod 720 is provided with an external thread that matches the threaded sleeve. During the rotation of the threaded sleeve, a force toward the outside can be applied to the disassembly plate 710 and the guide rod 720, and the tire seat ring 202 can be disassembled during the continuous rotation of the threaded sleeve.

[0028] Preferably, the guide rods 720 are symmetrically arranged in two groups, and the staff can rotate the threaded sleeves synchronously from both sides to realize dual power source drive control. At the same time, the two guide rods 720 can guide the moving direction of the disassembly and assembly plate 710 when the disassembly and assembly plate 710 moves linearly on a predetermined straight line.

[0029] The locking components 400 are installed on both sides of the disassembly plate 710, and the locking components 400 extend toward the outside. By setting the locking components 400, the length of the two sides of the disassembly plate 710 can be extended. In the process of disassembling the tire seat ring 202, the disassembly plate 710 is first extended to the inner side of the tire seat ring 202 to complete the positioning, and then the locking components 400 are installed on the outer side of the disassembly plate 710. At this time, the disassembly plate 710 and the locking components 400 interfere with the tire seat ring 202. In the process of the disassembly plate 710 moving toward the outside, the locking components 400 exert a force on the tire seat ring 202 to achieve the disassembly process. The above structural design can extend the disassembly length of the disassembly plate 710 to meet the disassembly requirements of different large mining car tires, and at the same time simplify the difficulty of operating the disassembly plate 710, so that the inner side of the tire seat ring 202 can be entered without tilting or flipping.

[0030] Preferably, the locking assembly 400 includes a locking block 410 and locking bolts 420 for fixing the locking block 410 . The locking bolts 420 can be selected in two groups to ensure stable locking of the locking block 410 .

[0031] A strip opening 711 is provided on the surface of the disassembly and assembly plate 710 for the locking bolt 420 to pass through. By setting the strip opening 711, the locking position of the locking bolt 420 can be adjusted, so that the locking block 410 and the locking bolt 420 can move linearly along the length direction before being locked. The positions of the two locking blocks 410 are adjusted to match the corresponding tire seat ring 202 to meet the positioning and locking requirements.

[0032] A positioning notch 511 is provided on the inner side of the end of the positioning frame 510, and the positioning notch 511 is located on the side away from the positioning plate 520. By setting the positioning notch 511, the end of the positioning frame 510 is set to a step shape. During the disassembly process, the step surface can be matched with the specific depression of the large mining car tire to achieve accurate positioning, while improving the stability of the overall structure during the disassembly and assembly process.

[0033] Strip plates 530 are fixed to the side walls on both sides of the positioning plate 520. By setting the strip plates 530, the area on both sides of the positioning plate 520 can be extended, the stability of the overall structure can be enhanced, and a supporting structure can be added at the bottom to ensure stability during the disassembly and assembly of large mining truck tires.

[0034] The traditional tire changing method is greatly simplified. The simple tire changing tool replaces the traditional tire changing machine, tire changing machine workshop and special forklift for disassembly and transportation of large tires and rim assemblies. The square holes of the two cross lock blocks on the rim are cleverly used as the pulling points of the tire changing tool, and then two round steel push rods are used as thrust points to press the outer end of the tire seat ring 202 inward along the axial direction for an appropriate distance to make space for prying out the open lock ring 203. Conversely, when assembling a new tire, space is made for putting on the open lock ring 203.

[0035] By using the disassembly and assembly tool, there is no need to disassemble and assemble 23 wheel rim bolts, and the tire can be directly changed on the trackless equipment. The weight of the tire without the rim assembly is greatly reduced, and it can be temporarily transported by a scraper or manually rolled by more than two people. There is no need for a special tire transport forklift, nor a tire changing machine and a tire changing machine workshop. The investment is small, and the production cost of the tool of the utility model is about 2,000 yuan. In addition, when changing the tire, the trackless equipment with the damaged tire can be slowly driven to the maintenance chamber or the tire can be replaced on the spot. The tire changing tool is simple to operate and works safely and reliably.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A large underground mining vehicle tire disassembly and assembly tool, comprising a positioning device (500), a disassembly and assembly component (700) being installed on a side wall of the positioning device (500), characterized in that: The positioning device (500) comprises a positioning plate (520) and a positioning frame (510) mounted on a side wall of the positioning plate (520); the disassembly assembly (700) comprises a disassembly assembly plate (710) arranged on the inner side of the positioning frame (510); a guide rod (720) penetrating the positioning plate (520) is mounted on the side wall of the disassembly assembly plate (710); and a driving assembly (600) for controlling the linear movement of the guide rod (720) is mounted on the outer side wall of the positioning plate (520).

2. The underground large-scale mining vehicle tire disassembly and assembly tool according to claim 1, characterized in that: The driving assembly (600) is a threaded sleeve, and the surface of the guide rod (720) is provided with external threads matching the threaded sleeve.

3. The underground large mining vehicle tire disassembly and assembly tool according to claim 1, characterized in that: The guide rods (720) are symmetrically arranged in two groups.

4. The underground large-scale mining vehicle tire disassembly and assembly tool according to claim 1, characterized in that: Locking assemblies (400) are installed on both sides of the disassembly and assembly plate (710), and the locking assemblies (400) extend toward the outside.

5. The underground large-scale mining vehicle tire disassembly and assembly tool according to claim 4, characterized in that: The locking assembly (400) comprises a locking block (410) and a locking bolt (420) for fixing the locking block (410).

6. The underground large-scale mining vehicle tire disassembly and assembly tool according to claim 5, characterized in that: The surface of the disassembly plate (710) is provided with a strip-shaped opening (711) for the locking bolt (420) to pass through.

7. The underground large mining vehicle tire disassembly and assembly tool according to claim 1, characterized in that: A positioning notch (511) is formed on the inner side of the end of the positioning frame (510), and the positioning notch (511) is located on a side away from the positioning plate (520).

8. The underground large-scale mining vehicle tire disassembly and assembly tool according to claim 1, characterized in that: Strip plates (530) are fixed to the side walls on both sides of the positioning plate (520).

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