A tire pressing tool

Abstract

The utility model discloses a kind of tire pressing tool, comprising: rack, rack is provided with support platform, support platform is used to place tire horizontally;Movable frame, movable frame can be slidably installed in rack, and located on the upside of support platform;Jack, jack includes main body portion and telescopic portion that can be telescopic relative to main body portion, jack is configured to be placed between movable frame and tire on support platform, and by main body portion downwardly abutting tire's annular baffle and by telescopic portion upwardly abutting movable frame.The tire pressing tool of the utility model embodiment is convenient to operate and economical and practical.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary tooling technology for tire production, and in particular to a tire pressing tool. Background Technology

[0002] In the tire industry, especially for large, high-pressure tires, the rim is usually not made as a single piece. Instead, in addition to the rim body, an annular retaining ring is added. This ring needs to be pressed into the space between the tire tread (rubber component) and the rim body from the tire sidewall, ultimately creating a completely sealed space between the tire tread and the rim body. However, pressing the annular retaining ring into the space between the tire tread and the rim is not a simple task. Currently, there is a lack of relatively simple and economical auxiliary devices on the market. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a tire pressing fixture that is easy to operate and economical.

[0004] The tire pressing fixture according to an embodiment of the present utility model includes:

[0005] A frame, wherein the frame is provided with a support platform for horizontally placing tires;

[0006] A movable frame, which can be slidably mounted on the frame and located on the upper side of the support platform;

[0007] A jack, comprising a main body and a telescopic part that can extend and retract relative to the main body, the jack being configured to be positioned between the movable frame and the tire on the support platform, and to abut against the tire's annular retaining ring downwards via the main body and against the movable frame upwards via the telescopic part.

[0008] The tire pressing fixture according to the embodiments of this utility model has at least the following beneficial effects:

[0009] In use, the annular retaining ring can be manually pressed lightly between the tire tread (rubber part) and the wheel hub body beforehand. Then, slide the movable frame backward to the rear of the frame to make room for tire hoisting. Hoist the tire onto the support platform with the annular retaining ring facing upward. Then slide the movable frame above the tire and place the main body of the jack vertically on the annular retaining ring. Next, operate the jack so that the telescopic part of the jack extends upward and abuts against the movable frame. Once the telescopic part abuts against the movable frame, continuing to operate the jack will not... Next, the telescopic part moves upward, while the main body moves downward to press down the annular retaining ring. This presses the annular retaining ring between the tire tread (rubber part) and the wheel hub body. Once the annular retaining ring is in place, the jack is operated in the opposite direction to retract the telescopic part relative to the main body until it separates from the movable frame. Then, the jack is removed, and the movable frame is slid backward to the rear end of the frame to make room for tire lifting. Finally, the tire is lifted away. The operation is very convenient, and the tire pressing fixture in this embodiment has a simple, economical, and practical structure.

[0010] According to some embodiments of the present invention, the tire pressing fixture further includes:

[0011] Two abutting parts are connected to the movable frame and are spaced apart from each other on the left and right. The lower end of each abutting part is provided with a vertically extending limiting hole, and the top end of the limiting hole is closed.

[0012] The jack and the abutment are respectively arranged in a one-to-one correspondence. The telescopic part can be inserted into the limiting hole and abut against the abutment to abut against the movable frame.

[0013] According to some embodiments of the present invention, the tire pressing fixture further includes:

[0014] Two mounting parts are connected to the movable frame and are spaced apart from each other on the left and right sides. The mounting parts can be moved and adjusted left and right relative to the movable frame.

[0015] The two abutting parts are respectively fixed to the two mounting parts.

[0016] According to some embodiments of this utility model, the movable frame is provided with multiple locking holes spaced apart on the left and right sides, the mounting part is slidably connected to the movable frame on the left and right sides, and the tire pressing fixture further includes two locking mechanisms, which are respectively connected to the two mounting parts. The locking mechanisms include:

[0017] A locking part is vertically slidably connected to the mounting part and can move synchronously with the mounting part to align with any of the locking holes;

[0018] An elastic portion is disposed between the mounting portion and the locking portion, for applying an elastic force toward the movable frame to the locking portion so that the locking portion is partially inserted into the locking hole when the locking portion is aligned with the locking hole.

[0019] According to some embodiments of the present invention, the movable frame is provided with a horizontally extending crossbeam, and the mounting part defines a through-hole and slides onto the crossbeam through the through-hole.

[0020] According to some embodiments of the present invention, the mounting part is detachably connected to a bracket, the locking part includes a locking rod, the locking rod is vertically slidably inserted through the bracket and a boss is provided on the side of the bracket near the movable frame, the elastic part is configured as a compression spring, the compression spring is sleeved on the locking rod and its two ends respectively abut against the boss and the bracket.

[0021] According to some embodiments of the present invention, the locking part further includes:

[0022] A connecting cylinder has an internal thread on its inner wall and is threaded to the locking rod. The connecting cylinder is located on the side of the bracket away from the compression spring. A pull plate is fixed to the end of the connecting cylinder away from the compression spring, and the pull plate protrudes from the outer peripheral wall of the connecting cylinder.

[0023] According to some embodiments of the present invention, the abutting portion includes:

[0024] The support defines the limiting hole;

[0025] A connecting screw is fixed to the upper end face of the support and vertically passes through the mounting part;

[0026] A locking nut, which is threaded to the connecting screw and located on the side of the mounting portion away from the support.

[0027] According to some embodiments of the present invention, the left and right sides of the frame are respectively defined by sliding grooves, the sliding grooves extend front and back and pass through left and right, the movable frame is provided with horizontal beams extending left and right, the two ends of the horizontal beams respectively pass through the sliding grooves on the corresponding sides and can slide along the extension direction of the sliding grooves, and the two ends of the horizontal beams are respectively detachably connected to limiting parts to abut against the opposite ends of the frame in the left and right direction.

[0028] According to some embodiments of the present invention, the frame is connected to a positioning part at the rear end of the support platform, and the positioning part is used to abut against the outer peripheral surface of the tire.

[0029] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0030] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0031] Figure 1 This is a schematic diagram of the working state of the tire pressing tool according to an embodiment of the present invention;

[0032] Figure 2 This is a schematic diagram of the connection structure of the frame and movable frame according to an embodiment of the present utility model;

[0033] Figure 3 This is a schematic diagram of the connection structure of the movable frame, mounting part, and locking mechanism according to an embodiment of this utility model;

[0034] Figure 4 This is a schematic diagram of the installation structure of the locking mechanism according to an embodiment of the present utility model;

[0035] Figure 5 This is an exploded view of the connection structure of the mounting part, the abutting part, and the locking mechanism in an embodiment of this utility model.

[0036] Icon labels:

[0037] Tire 10, rim retainer 11;

[0038] Frame 100, slide 101, support platform 110, positioning part 120, longitudinal beam 130;

[0039] Movable frame 200, locking hole 201, crossbeam 210, limiting part 220;

[0040] Jack 300, main body 310, telescopic part 320;

[0041] Abutting part 400, limiting hole 401, support 410, connecting screw 420, locking nut 430;

[0042] Mounting part 500, sleeve 501, bracket 510;

[0043] Locking mechanism 600, locking part 610, locking rod 611, boss 612, connecting cylinder 613, pull plate 614, elastic part 620. Detailed Implementation

[0044] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0045] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the drawings. They 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. Therefore, they should not be construed as limitations on this utility model.

[0046] In the description of this utility model, "multiple" refers to two or more. The use of "first" and "second" is for distinguishing technical features only and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features or their sequential relationship.

[0047] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0048] Reference Figure 1 and Figure 2 As shown, a tire pressing fixture according to an embodiment of the present invention includes: a frame 100, a movable frame 200, and a jack 300.

[0049] The frame 100 is provided with a support platform 110, which is used to horizontally place the tire 10. That is, the tire 10 can be placed horizontally on the support platform 110 so that the center axis of the tire 10 is vertically distributed, and the side of the tire 10 is exposed to facilitate the pressing of the annular retaining ring 11 of the tire 10. It can be understood that the frame 100 defines a passage on the upper side and the front side of the support platform 110 for the tire 10 to pass through, so as to facilitate the hoisting of the tire 10 onto the support platform 110.

[0050] The movable frame 200 can be slidably mounted on the frame 100 and located on the upper side of the support platform 110. It should be noted that the relative position of the movable frame 200 and the frame 100 in the vertical direction is fixed.

[0051] The jack 300 includes a main body 310 and a telescopic part 320 that can extend and retract relative to the main body 310. The jack 300 is configured to be placed between the movable frame 200 and the tire 10 on the support platform 110. The main body 310 abuts against the annular retaining ring 11 of the tire 10 downward and the telescopic part 320 abuts against the movable frame 200 upward. By operating the jack 300, the telescopic part 320 can be extended relative to the main body 310 to apply downward pressure to the annular retaining ring 11, thereby pressing the annular retaining ring 11 into the tire tread (rubber part) of the tire 10 and the wheel hub body.

[0052] In this embodiment, when using the tire pressing fixture, the annular retaining ring 11 can be manually pressed lightly between the tire tread (rubber part) of the tire 10 and the wheel hub body beforehand. Then, the movable frame 200 is slid backward to the rear end of the frame 100 to make room for the lifting of the tire 10. The tire 10 is then lifted onto the support platform 110 with the annular retaining ring 11 facing upward. The movable frame 200 is then slid above the tire 10, and the main body 310 of the jack 300 is placed vertically on the annular retaining ring 11. Next, the jack 300 is operated so that the telescopic part 320 of the jack 300 extends upward and abuts against the movable frame 200. After the telescopic part 320 abuts against the movable frame 200... Continuing to operate the jack 300, the telescopic part 320 will no longer move upward, but the main body 310 will move downward to press down the annular retaining ring 11. This will press the annular retaining ring 11 between the tire tread (rubber part) of the tire 10 and the wheel hub body. After the annular retaining ring 11 is pressed into place, the jack 300 is operated in the opposite direction, so that the telescopic part 320 retracts relative to the main body 310 and separates from the movable frame 200. Then the jack 300 is removed, and the movable frame 200 is slid backward to the rear end of the frame 100 to make room for the lifting of the tire 10. Finally, the tire 10 is lifted away. The operation is very convenient, and the tire pressing fixture in this embodiment has a simple, economical and practical structure.

[0053] Reference Figure 1 , Figure 3 and Figure 5 As shown, in some embodiments of this utility model, the tire pressing fixture further includes two abutment portions 400. The two abutment portions 400 are connected to the movable frame 200 and are spaced apart from each other on the left and right. The lower end of the abutment portion 400 is provided with a vertically extending limiting hole 401, and the top end of the limiting hole 401 is closed. A jack 300 is provided in a one-to-one correspondence with the abutment portion 400, that is, two jacks 300 are provided. The telescopic portion 320 of the jack 300 can be inserted into the limiting hole 401 and abut against the abutment portion 400 upwards, thereby indirectly abutting against the movable frame 200 upwards. It should be noted that the relative position of the abutment portion 400 and the movable frame 200 in the vertical direction is fixed.

[0054] In this embodiment, by providing an abutment portion 400 and a limiting hole 401 for inserting the telescopic portion 320 of the jack 300 on the abutment portion 400, the telescopic portion 320 can be horizontally limited by the limiting hole 401 when the jack 300 is used to press the annular retaining ring 11 of the tire 10, preventing the telescopic portion 320 from shifting or misaligning due to improper operation by the operator, thereby improving the stability and reliability of the pressing operation.

[0055] It is conceivable that, in this embodiment, the telescopic part 320 of the jack 300 is a rod-shaped structure.

[0056] Reference Figure 1 and Figure 3 As shown, in some embodiments of this utility model, the tire pressing fixture further includes two mounting parts 500. The two mounting parts 500 are connected to the movable frame 200 and are spaced apart from each other on the left and right. The mounting parts 500 can be moved and adjusted left and right relative to the movable frame 200. The two abutting parts 400 are respectively fixed to the two mounting parts 500, that is, the abutting parts 400 are indirectly connected to the movable frame 200 through the mounting parts 500.

[0057] In this embodiment, by providing two mounting parts 500 that can move and adjust relative to the movable frame 200, two abutment parts 400 are respectively installed, making the distance between the two abutment parts 400 adjustable, thus making it applicable to tires 10 of various diameters and highly versatile.

[0058] Reference Figure 3 and Figure 5 As shown, in some embodiments of this utility model, the abutment portion 400 includes a support 410, a connecting screw 420, and a locking nut 430. A limiting hole 401 is defined on the support 410; the connecting screw 420 is fixed to the upper end face of the support 410 and vertically passes through the mounting portion 500, which has a hole for the connecting screw 420 to pass through; the locking nut 430 is threaded to the connecting screw 420 and located on the side of the mounting portion 500 away from the support 410, for locking the support 410 onto the mounting portion 500.

[0059] By adopting the above-described structure, the abutment part 400 can be easily disassembled and assembled. When disassembling the abutment part 400, first unscrew the locking nut 430, and then the support 410 can be removed.

[0060] Reference Figure 1 and Figure 3As shown, in some embodiments of this utility model, the mounting part 500 is slidably connected to the movable frame 200, and the tire pressing fixture also includes two locking mechanisms 600, which are respectively connected to the two mounting parts 500. The movable frame 200 is provided with multiple locking holes 201 spaced apart horizontally. The locking holes 201 extend vertically and are divided into two groups, each corresponding to one of the two locking mechanisms 600.

[0061] The locking mechanism 600 includes a locking part 610 and an elastic part 620. The locking part 610 is vertically slidably connected to the mounting part 500, and the locking part 610 can move synchronously with the mounting part 500 to vertically align the locking part 610 with any locking hole 201. The elastic part 620 is disposed between the mounting part 500 and the locking part 610, and is used to apply an elastic force toward the movable frame 200 to the locking part 610 so that when the locking part 610 is aligned with the locking hole 201, the locking part 610 is partially inserted into the locking hole 201. By providing the above structure, the mounting part 500 can be adjusted to move left and right relative to the movable frame 200.

[0062] Specifically, when it is necessary to adjust the position of the mounting part 500, the locking part 610 can be pulled out to disengage the locking part 610 from the locking hole 201. Then, the mounting part 500 can be slid to the corresponding position to align the locking part 610 with the corresponding locking hole 201. Then, the locking part 610 can be released so that the locking part 610 is partially inserted into the locking hole 201 under the action of the elastic part 620, thereby locking the mounting part 500 back onto the movable frame 200. This achieves the position adjustment of the mounting part 500, which is very convenient to operate.

[0063] Reference Figures 3 to 5 As shown, in some embodiments of this utility model, the mounting part 500 is detachably connected to the bracket 510; the locking part 610 includes a locking rod 611, which is used to cooperate with the locking hole 201, that is, the locking rod 611 is used to partially insert into the locking hole 201. The locking rod 611 slides vertically through the bracket 510. The bracket 510 is provided with a hole for the locking rod 611 to pass through. The locking rod 611 is provided with a boss 612 on the side of the bracket 510 near the movable frame 200. There is a gap between the boss 612 and both ends of the locking rod 611; the elastic part 620 is set as a compression spring, which is sleeved on the locking rod 611 and its two ends abut against the boss 612 and the bracket 510 respectively, thereby applying an elastic force toward the movable frame 200 to the locking rod 611. The structure is simple and stable and reliable.

[0064] It is conceivable that the mounting part 500 has holes for the avoidance locking rod 611.

[0065] It is conceivable that the bracket 510 can be fixed to the mounting part 500 with screws for easy assembly and disassembly.

[0066] It is conceivable that the boss 612 and the locking rod 611 could be an integral structure.

[0067] Reference Figure 4 and Figure 5 As shown, in some embodiments of this utility model, the locking part 610 further includes a connecting cylinder 613. The inner wall of the connecting cylinder 613 has internal threads and is threadedly connected to the locking rod 611. The connecting cylinder 613 is located on the side of the bracket 510 away from the compression spring. A pull plate 614 is fixed to the end of the connecting cylinder 613 away from the compression spring. The pull plate 614 protrudes from the outer peripheral wall of the connecting cylinder 613. Obviously, the locking rod 611 is provided with external threads.

[0068] In this embodiment, when pulling the locking rod 611, the pull plate 614 can provide the operator with a suitable position for applying force, so as to make the operation more convenient; and the connecting tube 613 is threadedly connected to the locking rod 611, which can facilitate the disassembly and assembly of the locking rod 611 and the connecting tube 613.

[0069] It is conceivable that the pull plate 614 and the connecting cylinder 613 can be an integral structure.

[0070] Reference Figure 2 and Figure 3 As shown, in some embodiments of this utility model, the movable frame 200 is provided with a horizontally extending crossbeam 210, a locking hole 201 is provided on the crossbeam 210, and the mounting part 500 defines a through sleeve hole 501 and slides on the crossbeam 210 through the sleeve hole 501. The structure is simple and stable.

[0071] In some specific embodiments, the movable frame 200 is provided with two crossbeams 210, which are spaced apart from each other. A connecting rod is fixedly connected between the two crossbeams 210 to securely connect them. The mounting part 500 is simultaneously fitted onto the two crossbeams 210 through the sleeve hole 501, resulting in a stable and reliable structure. It is understood that, in the left-right direction, the projection of the sleeve hole 501 covers the projection of the connecting rod to prevent the connecting rod from interfering with the sliding of the mounting part 500.

[0072] In addition, in order to ensure that the abutment portion 400 is subjected to balanced force when pressing the annular retaining ring 11, in this embodiment, the distance between the abutment portion 400 and the two crossbeams 210 is the same in the front-back direction.

[0073] Reference Figure 2 and Figure 3As shown, in some embodiments of this utility model, the left and right sides of the frame 100 are respectively defined by slide grooves 101. The slide grooves 101 extend front and back and pass through left and right. The two ends of the crossbeam 210 of the movable frame 200 are respectively inserted into the slide grooves 101 on the corresponding sides and can slide along the extension direction of the slide grooves 101. The two ends of the crossbeam 210 are respectively detachably connected to the limiting part 220 to abut against the opposite ends of the frame 100 in the left and right directions, so that the crossbeam 210 can only slide along the extension direction of the slide grooves 101.

[0074] Understandably, to facilitate the assembly and disassembly of the movable frame 200, the movable frame 200 can pass through the slide groove 101 after the limiting part 220 is removed.

[0075] In some specific embodiments, such as Figure 5 As shown, the limiting part 220 is configured as a limiting screw, which is vertically inserted through the crossbeam 210, and the head of the limiting screw is supported on the crossbeam 210. Obviously, the hole on the crossbeam 210 through which the limiting screw passes can be a threaded hole or a regular hole, to facilitate the removal of the limiting screw.

[0076] In some specific embodiments, such as Figure 2 As shown, two longitudinal beams 130 are provided at each of the left and right ends of the frame 100. The longitudinal beams 130 extend forward and backward, and the two longitudinal beams 130 on the same side are vertically spaced apart to define the slide groove 101.

[0077] In some specific embodiments, the crossbeam 210 and the longitudinal beam 130 are both rectangular steel sections; in addition, the frame 100 can be welded together from several rectangular steel sections.

[0078] Reference Figure 2 As shown, in some embodiments of this utility model, a positioning part 120 is connected to the rear end of the support platform 110 of the frame 100. The positioning part 120 is used to abut against the outer peripheral surface of the tire 10, so that when the tire 10 is hoisted onto the support platform 110, the positioning part 120 can play a certain positioning role for the tire 10, thereby improving work efficiency. Obviously, only one positioning part 120 can be provided. The positioning part 120 can be set as a frame structure and fixed to the frame 100 by fasteners.

[0079] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine different embodiments or examples described in this specification.

[0080] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A tire pressing tool, characterized in that, include: A frame, wherein the frame is provided with a support platform for horizontally placing tires; A movable frame, which can be slidably mounted on the frame and located on the upper side of the support platform; A jack, comprising a main body and a telescopic part that can extend and retract relative to the main body, the jack being configured to be positioned between the movable frame and the tire on the support platform, and to abut against the tire's annular retaining ring downwards via the main body and against the movable frame upwards via the telescopic part.

2. The tire pressing fixture according to claim 1, characterized in that, The tire pressing fixture also includes: Two abutting parts are connected to the movable frame and are spaced apart from each other on the left and right. The lower end of each abutting part is provided with a vertically extending limiting hole, and the top of the limiting hole is closed. The jack and the abutment are respectively arranged in a one-to-one correspondence. The telescopic part can be inserted into the limiting hole and abut against the abutment to abut against the movable frame.

3. The tire pressing fixture according to claim 2, characterized in that, The tire pressing fixture also includes: Two mounting parts are connected to the movable frame and are spaced apart from each other on the left and right sides. The mounting parts can be moved and adjusted left and right relative to the movable frame. The two abutting parts are respectively fixed to the two mounting parts.

4. The tire pressing fixture according to claim 3, characterized in that, The movable frame has multiple locking holes spaced apart on the left and right sides. The mounting part is slidably connected to the movable frame on the left and right sides. The tire pressing fixture also includes two locking mechanisms, which are respectively connected to the two mounting parts. The locking mechanisms include: A locking part is vertically slidably connected to the mounting part and can move synchronously with the mounting part to align with any of the locking holes; An elastic portion is disposed between the mounting portion and the locking portion, for applying an elastic force toward the movable frame to the locking portion so that the locking portion is partially inserted into the locking hole when the locking portion is aligned with the locking hole.

5. The tire pressing fixture according to claim 4, characterized in that, The movable frame is provided with a horizontal beam extending to the left and right, and the mounting part defines a through hole extending to the left and right and slides onto the horizontal beam through the through hole.

6. The tire pressing fixture according to claim 4, characterized in that, The mounting part is detachably connected to a bracket, and the locking part includes a locking rod. The locking rod slides vertically through the bracket and has a boss on the side of the bracket near the movable frame. The elastic part is a compression spring, which is sleeved on the locking rod and abuts the boss and the bracket at both ends.

7. The tire pressing fixture according to claim 6, characterized in that, The locking part further includes: A connecting cylinder has an internal thread on its inner wall and is threaded to the locking rod. The connecting cylinder is located on the side of the bracket away from the compression spring. A pull plate is fixed to the end of the connecting cylinder away from the compression spring, and the pull plate protrudes from the outer peripheral wall of the connecting cylinder.

8. The tire pressing fixture according to claim 3, characterized in that, The contact portion includes: The support defines the limiting hole; A connecting screw is fixed to the upper end face of the support and vertically passes through the mounting part; A locking nut, which is threaded to the connecting screw and located on the side of the mounting portion away from the support.

9. The tire pressing fixture according to claim 1, characterized in that, The frame has sliding grooves defined on its left and right sides, which extend forward and backward and are through to the left and right. The movable frame is provided with a horizontal beam extending to the left and right. The two ends of the horizontal beam pass through the sliding grooves on the corresponding sides and can slide along the extension direction of the sliding grooves. The two ends of the horizontal beam are detachably connected to limiting parts to abut against the opposite ends of the frame in the left and right direction.

10. The tire pressing fixture according to claim 1, characterized in that, The frame is connected to a positioning part at the rear end of the support platform, and the positioning part is used to abut against the outer peripheral surface of the tire.

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