Large tire dismounting tool for cement truck

By designing a large tire removal and installation tool for cement trucks, and using tire bolts for disassembly, the problems of low efficiency and safety hazards in traditional methods have been solved, achieving a safe and efficient tire removal process.

CN223735783UActive Publication Date: 2025-12-30GUIYANG HAILUO PANJIANG CEMENT CO LTD
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Patent Information

Application Number
CN202520453556.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-16
Publication Date
2025-12-30
Estimated Expiration
2035-03-16

AI Technical Summary

Technical Problem

Traditional methods for removing large tires from cement trucks are inefficient and pose serious safety hazards, especially due to the tight fit between the tire and the rim, which makes operation difficult and increases the risk of personal injury and equipment damage.

Method used

A large tire removal and installation tool for cement trucks has been designed, including a first mounting plate and a second mounting plate, equipped with support legs and connectors. The tire can be removed using the original bolts through an adjustment mechanism and an installation mechanism, avoiding the use of tools such as pry bars and sledgehammers, thus ensuring safety and efficiency.

Benefits of technology

It enables safe and efficient separation of tires from rims without damaging the tires and bolts, improving disassembly efficiency and accuracy, and reducing the risk of personal injury and equipment damage.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223735783U_ABST
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Abstract

The utility model provides a cement truck large tire dismounting tool which comprises a first mounting plate and a second mounting plate, connecting pieces are mounted in the first mounting plate and the second mounting plate, and holes are formed in the middles of the connecting pieces. Through use of the first mounting plate, the second mounting plate, the supporting legs and the connecting pieces, original bolts of a tire can be directly used for dismounting operation, holes matched with the tire bolts are formed in the connecting pieces on the surfaces of the first mounting plate and the second mounting plate, and when the tire is dismounted, the dismounting tool is placed between the tire and a rim, so that the tire is dismounted conveniently. The hole of the connecting piece is aligned with the tire bolt, then proper force is applied to the tire through the special structure of the tool, the tire and the rim can be gradually separated under the condition that the tire and the bolt are not damaged, potential safety hazards possibly caused by using tools such as a crow bar and a sledge hammer in a traditional method are avoided, and the disassembling efficiency is greatly improved.
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Description

Technical Field

[0001] This utility model relates to the field of large tire disassembly, specifically to a tool for disassembling and assembling large tires on cement trucks. Background Technology

[0002] Cement trucks, as heavy-duty transport vehicles, play a vital role in industries such as construction and road paving. Due to their heavy loads and complex operating environments, cement trucks are typically equipped with large, durable tires to ensure stability and safety. However, replacing or repairing these large tires presents considerable challenges for operators.

[0003] Traditional tire removal methods often rely on manpower and simple tools such as pry bars and sledgehammers. This approach is not only inefficient but also poses significant safety hazards. The enormous size and weight of cement truck tires, coupled with the tight fit between the tire and rim developed over time, make the removal process exceptionally difficult. Operators often need to expend considerable physical strength and time to loosen and remove the tires, and even the slightest mistake during this process can result in personal injury or equipment damage.

[0004] Therefore, we have made improvements to this and proposed a large tire removal and installation tool for cement trucks. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a large tire removal and installation tool for cement trucks, solving the problems mentioned in the background art.

[0006] To achieve the above-mentioned objectives, this utility model provides the following technical solution:

[0007] Large tire removal and installation tools for cement trucks are used to solve the above problems.

[0008] The application is as follows:

[0009] It includes a first mounting plate and a second mounting plate. Support legs are fixedly mounted on the lower surfaces of both the first mounting plate and the second mounting plate. Connectors are installed inside both the first mounting plate and the second mounting plate, and holes are opened in the middle of the connectors. An adjustment mechanism is provided between the first mounting plate and the second mounting plate, and an installation mechanism is provided between the first mounting plate, the second mounting plate and the connectors.

[0010] The adjustment mechanism includes a fixing plate, which is fixedly installed on one side surface of the first mounting plate. A connecting groove is provided on one side surface of the second mounting plate, and the fixing plate is slidably connected to the connecting groove. A sliding structure is formed between the first mounting plate and the second mounting plate.

[0011] As a preferred technical solution of this application, the surface of the fixing plate is uniformly provided with a plurality of first mounting holes, and the inner walls of the upper and lower sides of the connecting groove are provided with second mounting holes with the same spacing as the first mounting holes. Screws are inserted into the first mounting holes and the second mounting holes, and nuts are connected to the external threads of the screws.

[0012] As a preferred technical solution of this application, the installation mechanism includes an installation groove, and the connection between the connector and the installation groove is a snap-fit ​​connection. The first and second installation plates each have two sliding grooves inside, and a locking block is slidably connected inside the sliding groove. The two sides of the connector each have a locking groove, and one end of the locking block is snap-fit ​​connected to the locking groove.

[0013] As a preferred technical solution of this application, the slide groove is internally rotatably connected with a threaded rod, and the threaded rod is connected to the locking block by a threaded connection.

[0014] As a preferred technical solution of this application, both sides of the first mounting plate and the second mounting plate are provided with connection holes, and a rotating block is rotatably connected inside the connection hole. The rotating block is fixedly connected to one end of the threaded rod, and the rotating block is hexagonal.

[0015] As a preferred technical solution of this application, two limiting rods are fixedly installed inside the slide groove, and the limiting rods are connected to the locking block by a sliding connection.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] In the scheme of this application:

[0018] By using the first mounting plate, second mounting plate, support legs, and connectors, the tire can be disassembled directly using its original bolts. Both the first and second mounting plates have connectors with holes matching the tire bolts. Support legs are installed at the bottom of the mounting plates to ensure stability during operation. When removing the tire, the disassembly tool is placed between the tire and the rim, aligning the holes in the connectors with the tire bolts. Then, using the tool's special structure, appropriate force is applied to the tire, gradually separating it from the rim without damaging the tire or bolts. This avoids the safety hazards associated with traditional methods using pry bars, sledgehammers, etc., and greatly improves disassembly efficiency. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a schematic diagram of the adjustment mechanism of this utility model;

[0021] Figure 3This is a three-dimensional structural diagram of the installation mechanism of this utility model;

[0022] Figure 4 This is a cross-sectional structural diagram of the installation mechanism of this utility model.

[0023] The image shows:

[0024] 1. First mounting plate; 2. Second mounting plate; 3. Support leg; 4. Connector; 5. Adjustment mechanism; 501. Fixing plate; 502. Connecting groove; 503. First mounting hole; 504. Second mounting hole; 505. Screw; 506. Nut; 6. Mounting mechanism; 601. Mounting groove; 602. Slide groove; 603. Locking block; 604. Locking slot; 605. Threaded rod; 606. Connecting hole; 607. Rotating block; 608. Limiting rod. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described examples are only some embodiments of this utility model, and not all embodiments.

[0026] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0027] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0028] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0029] In the description of this utility model, it should be noted that the terms "upper" and "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. These terms are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first" and "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0030] To address the technical problems mentioned in the background section, the following tool for disassembling and assembling large tires on cement trucks is provided:

[0031] Combination Figure 1 - Figure 4 As shown, the present invention provides a large tire removal and installation tool for cement trucks, including a first mounting plate 1 and a second mounting plate 2. Support legs 3 are fixedly installed on the lower surfaces of both the first mounting plate 1 and the second mounting plate 2, and connectors 4 are installed inside both the first mounting plate 1 and the second mounting plate 2. A hole is opened in the middle of the connectors 4. An adjustment mechanism 5 is provided between the first mounting plate 1 and the second mounting plate 2, and an installation mechanism 6 is provided between the first mounting plate 1 and the second mounting plate 2 and the connectors 4.

[0032] In this embodiment, support legs 3 are installed on the lower surfaces of both the first mounting plate 1 and the second mounting plate 2 to ensure stability and firmness during operation. Connectors 4 are embedded inside the first mounting plate 1 and the second mounting plate 2, and these connectors 4 have holes in their centers that match the tire bolts for easy connection. An adjustment mechanism 5 is provided between the first mounting plate 1 and the second mounting plate 2, allowing for flexible adjustment of the distance between the two mounting plates to accommodate different sizes of cement truck tires. Furthermore, to further accommodate different bolt sizes on the tires, a mounting mechanism 6 is designed between the first mounting plate 1, the second mounting plate 2, and the connectors 4 to facilitate connection of connectors 4 with different internal hole sizes.

[0033] During disassembly, the disassembly tool is placed between the tire and the rim, aligning the hole of connector 4 with the tire bolt. Then, the specialized disassembly tool can be used to apply appropriate force to the tire through the hole of connector 4. Because the hole of connector 4 matches the tire bolt, and because the support leg 3 provides stable support, the disassembly process can proceed smoothly, avoiding the safety hazards that may arise from using tools such as pry bars and sledgehammers in traditional methods. During the application of force, the disassembly tool transmits the force to the tire bolt through connector 4, gradually separating the tire from the rim. Due to the flexibility of the adjustment mechanism 5 and the mounting mechanism 6, this disassembly process can adapt to cement truck tires of different specifications and bolt sizes, greatly improving disassembly efficiency and accuracy.

[0034] refer to Figure 1 - Figure 2 Based on the above embodiments, in order to enable the tool to adapt to different tire sizes, this embodiment provides the following design:

[0035] In a preferred embodiment, the adjustment mechanism 5 includes a fixing plate 501, which is fixedly installed on one side surface of the first mounting plate 1. A connecting groove 502 is provided on one side surface of the second mounting plate 2, and the fixing plate 501 is slidably connected to the connecting groove 502. A sliding structure is formed between the first mounting plate 1 and the second mounting plate 2.

[0036] In this embodiment, the adjustment mechanism 5 mainly consists of a fixed plate 501 and a connecting groove 502. The fixed plate 501 is fixedly installed on one side surface of the first mounting plate 1, and the connecting groove 502 is opened on one side surface of the second mounting plate 2, so that the fixed plate 501 can slide smoothly along the connecting groove 502, thereby realizing the sliding adjustment between the first mounting plate 1 and the second mounting plate 2. By simply sliding the fixed plate 501, the distance between the two mounting plates can be easily adjusted to ensure that the disassembly and assembly tools can fit tightly with cement truck tires of different specifications.

[0037] In a preferred embodiment, a plurality of first mounting holes 503 are uniformly provided on the surface of the fixing plate 501, and second mounting holes 504 with the same spacing as the first mounting holes 503 are provided on the inner walls of the upper and lower sides of the connecting groove 502. Screws 505 are inserted into the first mounting holes 503 and the second mounting holes 504, and nuts 506 are threaded onto the outside of the screws 505.

[0038] In this embodiment, a plurality of first mounting holes 503 are evenly distributed on the surface of the fixing plate 501. These holes correspond to the second mounting holes 504 on the inner walls of the upper and lower sides of the connecting groove 502. By inserting screws 505 into these aligned holes and tightening nuts 506 on the outside of the screws 505, a firm connection and adjustment between the first mounting plate 1 and the second mounting plate 2 can be achieved.

[0039] refer to Figure 1 - Figure 4 Based on the above embodiments, in order to replace different connectors 4 according to different bolt sizes, this embodiment provides the following design:

[0040] In a preferred embodiment, the mounting mechanism 6 includes a mounting groove 601, and the connection between the connector 4 and the mounting groove 601 is a snap-fit ​​connection. The first mounting plate 1 and the second mounting plate 2 each have two sliding grooves 602 inside, and a locking block 603 is slidably connected inside the sliding groove 602. The two sides of the connector 4 each have a locking groove 604, and one end of the locking block 603 is snap-fitted into the locking groove 604.

[0041] In this embodiment, the mounting mechanism 6 includes mounting grooves 601 formed inside the first mounting plate 1 and the second mounting plate 2. These mounting grooves 601 are engaged with the connector 4 by a snap-fit ​​connection. The first mounting plate 1 and the second mounting plate 2 also have sliding grooves 602 inside, and a locking block 603 is slidably connected in the sliding groove 602. The connector 4 has slots 604 on both sides that match the locking block 603. When the connector 4 needs to be replaced, the locking block 603 can be slid along the sliding groove 602 to the unlocked position, and the new connector 4 can be easily removed from or inserted into the mounting groove 601. The connector 4 is securely installed by the snap-fit ​​connection between the locking block 603 and the slot 604.

[0042] In a preferred embodiment, a threaded rod 605 is rotatably connected inside the slide groove 602, and the threaded rod 605 is connected to the locking block 603 by a threaded connection.

[0043] In this embodiment: when it is necessary to fix or release the connector 4, simply rotate the threaded rod 605 to drive the locking block 603 to slide along the slide groove 602, thereby engaging or disengaging with the locking groove 604 on the connector 4.

[0044] In a preferred embodiment, both sides of the first mounting plate 1 and the second mounting plate 2 are provided with connecting holes 606, and a rotating block 607 is rotatably connected inside the connecting hole 606. The rotating block 607 is fixedly connected to one end of the threaded rod 605, and the rotating block 607 is hexagonal.

[0045] In this embodiment, connecting holes 606 are provided on both sides of the first mounting plate 1 and the second mounting plate 2, and rotating blocks 607 are rotatably connected inside these holes. One end of the rotating block 607 is fixed to the threaded rod 605, and its shape is hexagonal, which makes it easy for the operator to use a wrench or other hexagonal tools to rotate it, greatly improving the efficiency and stability of rotation. By rotating the rotating block 607, the rotation of the threaded rod 605 can be easily controlled, thereby realizing the precise movement of the locking block 603 in the slide groove 602, and completing the quick installation and disassembly of the connector 4.

[0046] In a preferred embodiment, two limiting rods 608 are fixedly installed inside the slide groove 602, and the limiting rods 608 are connected to the locking block 603 by a sliding connection.

[0047] In this embodiment, by adding two limiting rods 608 inside the slide groove 602, these limiting rods 608 are slidably connected to the locking block 603, which provides a stable guide for the sliding of the locking block 603, ensuring its smooth movement within the slide groove 602, and effectively preventing the locking block 603 from deviating and getting stuck during the sliding process.

Claims

1. A cement truck large tire dismounting tool comprising a first mounting plate (1) and a second mounting plate (2), characterized in that: The lower surface of the first mounting plate (1) and the second mounting plate (2) is fixedly provided with a supporting leg (3), and the inside of the first mounting plate (1) and the second mounting plate (2) is provided with a connecting piece (4), and the middle part of the connecting piece (4) is provided with a hole, the first mounting plate (1) and the second mounting plate (2) are provided with an adjusting mechanism (5), and the first mounting plate (1) and the second mounting plate (2) are provided with a mounting mechanism (6) between the connecting piece (4). The adjusting mechanism (5) comprises a fixed plate (501), and the fixed plate (501) is fixedly installed on the side surface of the first mounting plate (1), the side surface of the second mounting plate (2) is provided with a connecting groove (502), and the fixed plate (501) and the connecting groove (502) are in sliding connection, and the first mounting plate (1) and the second mounting plate (2) form a sliding structure.

2. The tool according to claim 1, wherein: The surface of the fixed plate (501) is uniformly provided with a plurality of first mounting holes (503), the upper and lower inner walls of the connecting groove (502) are provided with second mounting holes (504) with the same spacing as the first mounting holes (503), and the inside of the first mounting hole (503) and the second mounting hole (504) is inserted with a screw (505), and the outside of the screw (505) is threadedly connected with a nut (506).

3. The tool according to claim 1, wherein: The mounting mechanism (6) comprises an installation groove (601), and the connecting mode between the connecting piece (4) and the installation groove (601) is clamping connection, the inside of the first mounting plate (1) and the second mounting plate (2) is provided with two sliding grooves (602), and the inside of the sliding groove (602) is slidably connected with a clamping block (603), the two side surfaces of the connecting piece (4) are provided with clamping grooves (604), and one end of the clamping block (603) is in clamping connection with the clamping groove (604).

4. The tool according to claim 3, wherein: The inside of the sliding groove (602) is rotatably connected with a threaded rod (605), and the connecting mode between the threaded rod (605) and the clamping block (603) is screw connection.

5. The tool according to claim 4, wherein: The two side surfaces of the first mounting plate (1) and the second mounting plate (2) are provided with connecting holes (606), and the inside of the connecting hole (606) is rotatably connected with a rotating block (607), one end of the rotating block (607) is fixedly connected with the threaded rod (605), and the rotating block (607) is hexagonally arranged.

6. The tool according to claim 4, wherein: The inside of the sliding groove (602) is fixedly provided with two limiting rods (608), and the limiting rod (608) and the clamping block (603) are connected in a sliding connection manner.