Device for disassembling and assembling vacuum tire of semi-automatic container truck

Abstract

The utility model relates to the technical field of disassembly and assembly of vacuum tires, in particular to a device for disassembly and assembly of a vacuum tire of a semi-automatic container truck, which comprises a power unit, a transmission unit and an execution unit, the power unit is arranged on one side of the transmission unit, and the execution unit is arranged above the transmission unit. The tire disassembling device can be operated by only one person, a tire can be easily disassembled by putting down a hub with a cover tire needing to be replaced along the platform edge, fixing the hub on the workbench, inserting the disassembling device and the crowbar, locking the safety device and twisting the reversing switch during disassembling, the whole process is rapid and safe, the disassembling process of an original tool is avoided, and the disassembling efficiency is improved. Due to improper force application and hitting on the body, the installation process is convenient and fast, and the tire can be embedded into the steel ring only by putting the tire into the steel ring, inserting the installation device and turning the reversing switch. Compared with the prior art that the vacuum tire of the container truck at the port can be easily disassembled and assembled during installation, the time for manufacturing the tire is effectively shortened, and the efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of vacuum tire removal and installation technology, and specifically discloses a device for removing and installing vacuum tires on semi-automatic trucks. Background Technology

[0002] Because tubeless tires for container trucks do not have an inner tube, they do not burst immediately when punctured. Instead, air leaks slowly through the sealing layer, giving the driver more time to take action and improving driving safety. The absence of an inner tube also reduces the heat generated by friction, improving the tire's heat dissipation performance and extending its lifespan.

[0003] For example, the utility model patent with authorization announcement number CN213108887U discloses a tubeless tire disassembly and assembly tool. A fixed plate is vertically fixed to a rack, a first roller is rotatably connected to the fixed plate, a sliding sleeve is fitted onto the rack, a movable plate is fixed to the sliding sleeve, and a second roller is rotatably connected to the movable plate. A locking plate is hinged to the sliding sleeve, and a gear is fitted onto the hinge shaft of the locking plate and the sliding sleeve. An active pawl is elastically connected to the locking plate, and a check pawl is elastically connected to the sliding sleeve. A pull rod is fixed to the end of the locking plate. When the pull rod is rocked forward, the active pawl pushes the gear to mesh with the rack for transmission; when the pull rod is rocked in the reverse direction, the check pawl engages with the rack to restrict the rack's reverse movement. This tool can be used independently or placed on a platform. It is suitable for tubeless tires and ordinary inner and outer tires of different sizes for electric vehicles or scooters. It eliminates the need to separate the electric vehicle's wheel hub and tire from the vehicle body for mechanized disassembly and assembly, reducing damage to the wheel hub and tire caused by manual disassembly and assembly, and reducing the time and effort required by workers.

[0004] For a long time, the disassembly and assembly of tubeless tires for container trucks in the port area typically involved two people working together. A large tire-removing rake was inserted between the tire and the rim, and considerable force was used to carefully detach the tire from the rim. During installation, a clamp was used to secure one end of the new tire to the rim, and then a tire hook was used to carefully insert the tire into the rim. This method presents two major challenges: 1. During disassembly, the angle must be carefully controlled each time, separating the tire from the rim little by little. The first attempt is particularly difficult due to the tire's plasticity and the significant force applied, making it time-consuming and labor-intensive. 2. During assembly, the angle of the first use of the tire hook must be precise; otherwise, the tire cannot be properly pressed into the rim. This process is repeated, and the final attempt, with limited space, makes it difficult to insert the tire hook, requiring the use of a hammer, which is wasteful of tools and can damage the tire. Utility Model Content

[0005] In view of this, the purpose of this utility model is to provide a device for the installation and removal of vacuum tires on semi-automatic trucks, so as to solve the following problems:

[0006] 1. During the disassembly process, you must control the angle each time and separate the tire from the rim little by little. Especially at the beginning, due to the plasticity of the tire and the large force it is subjected to, it is difficult to disassemble and is time-consuming and laborious.

[0007] 2. During the assembly process, when using the upper tire hook for the first time, it is important to control the angle. Otherwise, the outer tire cannot be pressed into the rim properly. Continue pressing in the same way. When pressing in the last time, it is difficult to insert the upper tire hook because the remaining space is relatively small. At this time, a hammer must be used to knock it in, which is quite damaging to the tool or the tire.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a device for disassembling and assembling vacuum tires for semi-automatic trucks, comprising a power unit, a transmission unit, and an execution unit, wherein the power unit is disposed on one side of the transmission unit, and the execution unit is disposed above the transmission unit.

[0009] Furthermore, the power unit includes a motor mounting frame, which is a curved structure comprising a horizontal section and a bent section. A roller is fixedly mounted at one end of the horizontal section. A drive motor is mounted on the horizontal section of the motor mounting frame. A reversing switch for starting is mounted on the surface of the drive motor. A drive shaft for driving is located inside the drive motor. The end of the drive shaft is fixedly connected to a transmission shaft via a coupling.

[0010] Furthermore, the transmission unit includes a mast head assembly, one end of the transmission shaft is fixedly connected to one end of the mast head assembly, and the transmission shaft is wrapped with a cylinder.

[0011] Furthermore, the execution unit includes a worktable, a safety device, and a disassembly device. A through hole is provided at the center of the worktable, and the through hole passes through the output end of the upward-facing position of the Mapan head assembly. The worktable and the upward-facing position of the Mapan head assembly are perpendicularly distributed.

[0012] Furthermore, the upward output position of the Mapan machine head assembly is provided with a square head, an arm cylinder is vertically arranged above the worktable, a square seat is provided at the lower end of the arm cylinder, a square groove is opened inside the square seat, and the square groove is slidably sleeved with the square head.

[0013] Furthermore, a square groove 2 is provided at the upper end of the first cylinder, and a disassembly device is provided above the first arm cylinder. The disassembly device includes a third arm cylinder. A square block 3 is welded and fixed at the lower end of the third arm cylinder. The square block 3 slides into and connects with the square groove 2. A U-shaped groove is opened at the upper end of the third arm cylinder. A pry bar is inserted into the inside of the U-shaped groove. One end of the pry bar is also fixedly installed to the third arm cylinder by a pin.

[0014] Furthermore, the safety device is provided in two sets, and the two safety devices are respectively located on both sides of the boom cylinder. Each set of safety devices consists of a locking pin and a positioning pin, and a roller is also provided on one side below the worktable.

[0015] Furthermore, the execution unit also includes an installation device, which includes a second boom, a second square block welded to the lower end of the second boom, the second square block slidably inserted into and connected with the second square groove at the upper end of the first boom, a steel plate provided on one side of the outer ring wall of the second boom, a number of reinforcing bars distributed on the steel plate, and guide wheels provided at both ends of the steel plate.

[0016] The working principle and beneficial effects of this solution are as follows: 1. Only one person is needed to operate it. When disassembling, simply put the wheel hub that needs to be replaced down along the edge of the platform and fix it on the workbench, insert the disassembly device and pry bar, lock the safety device, and turn the reverse switch to easily disassemble the tire. The whole process is quick and safe, avoiding the physical injury caused by improper force during the original tool disassembly process.

[0017] 2. As described in point 1, the installation process is also relatively convenient and quick. Simply place the tire onto the steel rim, insert the installation device, and turn the switch to embed the tire into the rim. Compared to previous installation methods, this method easily completes the installation and removal of vacuum tires for port trucks, effectively reducing tire manufacturing time and improving efficiency. The manufacturing process also significantly improves safety and reduces the rate of tire damage.

[0018] Other advantages, objectives, and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination and study, or may be learned from practice of this invention. The objectives and other advantages of this invention can be realized and obtained through the following description. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the installation device in Example 1;

[0020] Figure 2 This is a schematic diagram of the installation of the disassembly device in Example 2;

[0021] Figure 3 This is a front view of boom cylinder three in Example 2;

[0022] Figure 4 This is a side view of boom cylinder three in Example 2;

[0023] Figure 5 This is a top view of boom cylinder three in Example 2;

[0024] Figure 6 This is a front view of the mounting device in Example 1;

[0025] Figure 7 This is a side view of the mounting device in Example 1;

[0026] Figure 8 This is a top view of the installation device in Example 1.

[0027] The following are marked in the attached diagram: 1. Motor mounting bracket; 2. Drive motor; 3. Drive shaft; 4. Mapan head assembly; 5. Worktable; 6. Safety device; 7. Boom cylinder one; 8. Roller one; 9. Roller two; 10. Steel plate; 11. Reinforcing bar; 12. Guide wheel; 13. Boom cylinder two; 14. Boom cylinder three; 15. Crowbar. Detailed Implementation

[0028] The following detailed description illustrates the specific implementation method:

[0029] Example 1

[0030] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a device for installing and removing vacuum tires on semi-automatic trucks is disclosed, comprising a power unit, a transmission unit, and an execution unit. The power unit is located on one side of the transmission unit, and the execution unit is located above the transmission unit.

[0031] The power unit includes a motor mounting bracket 1, which has a curved structure and includes a horizontal section and a bent section. Two rollers 9 are fixedly installed at one end of the horizontal section. The two rollers 9 are rotatably mounted between each other through a wheel frame 2. The surface of the wheel frame 2 is fixed at the end of the horizontal section of the motor mounting bracket 1. The rollers 9 can play an auxiliary sliding role when the structure moves. A drive motor 2 is installed on the horizontal section of the motor mounting bracket 1. The lower end of the outer wall of the drive motor 2 is fixedly assembled to the surface of the motor mounting bracket 1 by screws. A reversing switch for starting is installed on the surface of the drive motor 2. The drive motor 2 has a rotating shaft for driving inside. The end of the rotating shaft is fixedly connected to the transmission shaft 3 through a coupling.

[0032] The transmission unit includes a maper head assembly 4. One end of the transmission shaft 3 is fixedly connected to one end of the maper head assembly 4. The transmission shaft 3 is wrapped with a cylinder. The two ends of the cylinder are fixedly installed on the housing surface of the maper head assembly 4 and the housing surface of the drive motor 2, respectively. The cylinder protects the transmission shaft 3 and also connects and fixes the maper head assembly 4 and the drive motor 2. The connection method is bolts for easy disassembly and maintenance. The length of the transmission shaft 3 is 1.4 meters.

[0033] The execution unit includes a worktable 5, a safety device 6, and a disassembly device. The lower end of the worktable 5 is fixedly installed to the upper end of the Mapan head assembly 4. A through hole is provided at the center of the worktable 5. The through hole passes through the output end of the Mapan head assembly 4 at the upward position. The worktable 5 and the Mapan head assembly 4 are perpendicularly distributed at the upward position. The connection between the worktable 5 and the Mapan head assembly 4 is by welding, which can ensure the stability of the output force direction. The worktable 5 is made of 10mm thick 500*500mm Q235B steel plate, and the diameter of the through hole is 100mm.

[0034] A square head is provided at the upward output position of the mast head assembly 4. An arm cylinder 7 is vertically arranged above the worktable 5. A square seat is provided at the lower end of the arm cylinder 7. A square groove is opened inside the square seat. The square groove and the square head are slidably connected. When the upward output end of the mast head assembly 4 rotates, the shape limit of the square head and the square seat can ensure the stable linkage rotation of the arm cylinder 7. The wall thickness of the arm cylinder 7 is φ10mm, and the inner diameter is 80mm and the length is 250mm.

[0035] The upper end of boom 7 is provided with a square groove 2. A disassembly device is provided above boom 7, which includes boom 3 14. A square block 3 is welded and fixed to the lower end of boom 3 14. The square block 3 slides into and connects with the square groove 2. A U-shaped groove is opened at the upper end of boom 3 14. A pry bar 15 is inserted into the U-shaped groove. One end of the pry bar 15 is also fixed to boom 3 14 by a pin. Two sets of safety devices 6 are provided and placed on the workbench 5 respectively. The two safety devices 6 are respectively set on both sides of boom 7. The safety device 6, consisting of a locking pin and a positioning pin, is designed to prevent the steel ring from moving or jumping, providing a significant safety guarantee for safe operation. The positioning pins and locking pins, welded together, are symmetrically distributed at both ends of the boom cylinder 7, at distances of 50mm and 110mm from its outer wall, respectively. Two rollers 8 are also installed on one side of the lower part of the worktable 5, connected by a rotating wheel frame. The surface of the wheel frame is fixed to the lower end of the worktable 5. The installation setup, with two rollers 8 and two other rollers 9, ensures the stability and mobility of the entire device. The disassembly principle involves placing the tire rim to be disassembled on the workbench 5, adjusting the bolt holes of the rim to engage with the positioning pins of the safety device 6, and adjusting the locking pins of the safety device 6 to press the rim tightly. Then, the square block 3 of the disassembly arm 14 is inserted into the square groove 2 of the arm 7, ensuring a complete fit. Finally, one end of the pry bar 15 is inserted into the tire along the rim, while the other end is pressed down onto the upper part of the arm 14. Insert a pin into the U-shaped groove, turn the reversing switch to start the drive motor 2, and transmit the force to the mast head assembly 4 through the transmission shaft 3. The mast head assembly 4 changes the direction of the force, so that the force is transmitted to the boom cylinder 14 to drive the pry bar 15 to make circular motion, causing the tire to separate from the steel rim. The tires of the next layer are also separated from the steel rim in the same way. The boom cylinder 14 has a wall thickness of 10mm, an inner diameter of 70mm, a length of 380mm, and is made of Q235B material. The dimensions of the U-shaped groove are 100mm*170mm.

[0036] Example 2

[0037] like Figure 1 , Figure 6 , Figure 7 and Figure 8As shown, the execution unit also includes an installation device, which includes a second arm cylinder 13. A square block 2 is welded and fixed to the lower end of the second arm cylinder 13. The square block 2 slides into and connects with the square groove 2 at the upper end of the first arm cylinder 7. A steel plate 10 is provided on one side of the outer ring wall of the second arm cylinder 13. Several reinforcing bars 11 are distributed on the steel plate 10. One end of the reinforcing bars 11 is welded to the surface of the steel plate 10, and the other end of the reinforcing bars 11 is welded to the outer ring wall of the second arm cylinder 13. Guide wheels 12 are respectively provided at both ends of the steel plate 10. One end of the guide wheel 12 is perpendicular to the steel plate 10, and the other end is horizontal to the steel plate 10. The installation principle is to place the new tire on the steel rim, and then insert the square block 2 of the second arm cylinder 13 of the installation device into the square groove 2 at the upper end of the first arm cylinder 7 so that it fits completely. The vertically set guide wheel 12 is pressed on the upper side of the lower side of the tire. The guide wheel 12 is positioned close to the edge of the tire being pressed. Twisting the forward / reverse switch powers the drive motor 2, which transmits force to the mast head assembly 4 via the transmission shaft 3. The mast head assembly 4 then changes the direction of the force, transmitting it to the boom cylinder 13. This causes the guide wheels 12, distributed on both sides in different directions, to move in a circular motion, pressing the tire into the steel rim. The other tire is pressed into the steel rim in the same way. The steel rim is then removed from the worktable 5, completing the installation. The boom cylinder 13 has a wall thickness of 10mm, an inner diameter of 70mm, and a length of 500mm. It is made of Q235B steel. The reinforcing bar 11 is located 200mm below the upper end of the boom cylinder 13 and has a diameter of 20mm. The steel plate 10 measures 80mm*370mm*5mm and is made of Q235B steel. The guide wheel 12 has a circular structure and a diameter of 80mm.

[0038] In practice

[0039] The disassembly principle is as follows: place the tire rim to be disassembled on the workbench 5, adjust the bolt hole of the rim to enter the positioning pin of the safety device 6, and adjust the locking pin of the safety device 6 to press the rim tightly. Insert the square block 3 of the arm cylinder 3 14 of the disassembly device into the square groove 2 of the arm cylinder 1 7 so that they fit completely. Then insert one end of the pry bar 15 into the tire along the rim, and press the other end down into the U-shaped groove at the upper end of the arm cylinder 3 14 and insert the pin. Turn the reversing switch to start the drive motor 2, and transmit the force to the mast head assembly 4 through the transmission shaft 3. The mast head assembly 4 changes the direction of the force, so that the force is transmitted to the arm cylinder 3 14 to drive the pry bar 15 to make a circular motion, causing the tire to separate from the rim. The tires on the next layer are also separated from the rim in the same way.

[0040] The installation principle is as follows: place the new tire on the steel rim, then insert the square block 2 of the boom cylinder 2 13 of the installation device into the square groove 2 at the upper end of the boom cylinder 1 7, so that it fits completely. Press the vertically set guide wheel 12 on the upper side of the tire, and the other horizontally set guide wheel 12 is close to the edge of the tire being pressed. Turn the reversing switch to power on the drive motor 2 and make it run. The force is transmitted to the mast head assembly 4 through the transmission shaft 3. The mast head assembly 4 changes the direction of the force and transmits the force to the boom cylinder 2 13, which drives the guide wheels 12 distributed on both sides in different directions to make a circular motion, pressing the tire into the steel rim. The other tire is also pressed into the steel rim in the same way. Remove the steel rim from the worktable 5. The installation is now complete.

[0041] This semi-automatic device for disassembling and assembling vacuum tires for container trucks requires only one person to operate, easily achieving the desired effect. It effectively reduces the time spent disassembling and assembling tires, ensuring the normal operation of the container truck and reducing the safety hazards associated with previous tire disassembly and assembly tools. It completely solves the two problems mentioned above. When using it, simply place the tire on the workbench, insert the disassembly device and the installation device respectively, and turn the forward / reverse switch. Utilizing the principle of circular motion, the tire disassembly and installation can be easily achieved.

[0042] The above description is merely an embodiment of this utility model, and common knowledge such as specific structures and characteristics in the solution is not described in detail here. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of this utility model, and these should also be considered within the protection scope of this utility model. These modifications and improvements will not affect the effectiveness of the implementation of this utility model or its practicality.

Claims

1. A device for installing and removing vacuum tires on semi-automatic trucks, characterized in that: The system includes a power unit, a transmission unit, and an execution unit. The power unit is located to one side of the transmission unit, and the execution unit is located above the transmission unit. The power unit includes a motor mounting frame with a curved structure, comprising a horizontal section and a bent section. A roller is fixedly mounted at one end of the horizontal section. A drive motor is mounted on the horizontal section of the motor mounting frame, and a forward / reverse switch for starting is mounted on the surface of the drive motor. The drive motor has a drive shaft inside, and the end of the drive shaft is fixedly connected to a transmission shaft via a coupling. The transmission unit includes a mast head assembly, with one end of the transmission shaft fixedly connected to one end of the mast head assembly. The transmission shaft is encased in a cylinder. The execution unit includes a worktable, a safety device, and a disassembly device. A through hole is located at the center of the worktable, penetrating the output end of the mast head assembly at its upward position. The worktable is perpendicular to the upward position of the mast head assembly. A square head is located at the upward output position of the mast head assembly, and an arm cylinder is vertically mounted above the worktable. First, a square base is provided at the lower end of the boom cylinder, and a square groove is formed inside the square base. The square groove is slidably fitted with a square head. A square groove is provided at the upper end of the boom cylinder, and a disassembly device is provided above the boom cylinder. The disassembly device includes a boom cylinder three. A square block three is welded and fixed to the lower end of the boom cylinder three. The square block three is slidably inserted and connected to the square groove two. A U-shaped groove is formed at the upper end of the boom cylinder three, and a pry bar is inserted into the U-shaped groove. One end of the pry bar is also fixedly installed to the boom cylinder three by a pin. The safety device is provided with... Two sets of safety devices are provided, with each set located on one side of the boom cylinder. Each set of safety devices consists of a locking pin and a positioning pin. A roller is also provided on one side below the worktable. The execution unit also includes an installation device, which includes a boom cylinder. A square block is welded to the lower end of the boom cylinder, and the square block slides into and connects with the square groove on the upper end of the boom cylinder. A steel plate is provided on one side of the outer ring wall of the boom cylinder, with several reinforcing bars distributed on the steel plate. Guide wheels are provided at both ends of the steel plate.

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