Semi-automatic lossless tire changer

Abstract

The utility model discloses a semi-automatic lossless tire changer, and relates to the technical field of tire disassembly and assembly of small and medium-sized automobiles and new energy automobiles. The semi-automatic lossless tire dismounting machine comprises a box body, the box body is connected with a tower-shaped backward-tilting type vertical arm through a rotating shaft, a tire pressing shovel is arranged on the outer side of the box body, a tire pneumatic lifting frame is arranged on the side, away from the tire pressing shovel, of the box body, a control pedal is arranged at the bottom of the outer surface of the box body, and a first left auxiliary arm and a push-pull arm are arranged at the top of the tower-shaped backward-tilting type vertical arm; a supporting seat is fixedly connected to the outer surface of the box body, a main stand column is arranged in the supporting seat, a first hand-pulling pneumatic valve is arranged at the top of the main stand column, a vertical sliding sleeve is arranged on the outer surface of a push-pull arm, a hexagonal rod is arranged in the vertical sliding sleeve, and a pneumatic overturning dismounting head is arranged at the bottom end of the hexagonal rod; the utility model provides a more stable, safer and more humanized structural design, and safe and lossless disassembly and assembly of tires are carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of small and medium-sized automobile, new energy automobile tire dismounting, specifically is semi -automatic nondestructive tire changing machine. BACKGROUND

[0002] Tire is the round annular elasticity rubber product of ground rolling assembled on various vehicles or machinery, it is usually installed on the metal wheel rim, can support the vehicle body, buffer the outside impact, realize the contact with the road surface and guarantee the driving performance of vehicle, tire dismounting refers to the process of dismounting the automobile tire from the wheel rim.

[0003] With the rapid popularization of new energy vehicles, the large specification tire with strong grip and light weight becomes the preferred choice of new energy vehicles, the existing tire changing machine has poor practicality, is difficult to match the dismounting operation of new energy vehicle tire, and is easy to deform after years of use, is not enough when mounting and dismounting the tire, and may also cause damage to the wheel rim, tire and hub. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides semi -automatic nondestructive tire changing machine to solve the existing problems in the above background art.

[0005] In order to realize the above object, the utility model is realized through the following technical scheme: semi -automatic nondestructive tire changing machine, including the box, the box is connected with the tower shape backward type vertical arm through the pivot, the outside of the box is provided with the tire shovel, the side of the box away from the tire shovel is provided with the tire pneumatic lifting frame, the bottom of the outer surface of the box is provided with the control pedal, the top of the tower shape backward type vertical arm is provided with the first left auxiliary arm and the push -pull arm, the outer surface of the box is fixedly connected with the support seat, the inside of the support seat is provided with the main stand, the top of the main stand is provided with the first hand -pulling pneumatic valve, the outer surface of the push -pull arm is provided with the vertical slide sleeve, the inside of the vertical slide sleeve is provided with the hexagonal bar, the bottom of the hexagonal bar is provided with the pneumatic overturning dismounting head, the outer surface of the vertical slide sleeve is provided with the air valve, the upper surface of the box is provided with the main shaft, the top of the main shaft is provided with the locking screw rod, the outer surface of the main stand is provided with the first locking device and the sliding support, the outer surface of the sliding support is provided with the horizontal slide sleeve and the second locking device, the outer surface of the horizontal slide sleeve is provided with the second hand -pulling pneumatic valve, the inside of the horizontal slide sleeve is provided with the tire pressing arm, the end of the tire pressing arm is provided with the tire stripping wheel.

[0006] Preferably, the end of the horizontal slide sleeve is provided with a control cylinder, the tire stripping wheel is connected with the output end of the control cylinder through a connecting rod, and the output end of the first left auxiliary arm is provided with a tire pressing seat.

[0007] Preferably, the outer surface of the horizontal sliding sleeve is provided with an air spring, and one end of the air spring away from the horizontal sliding sleeve is connected with the sliding support.

[0008] Preferably, the top of the box body is provided with a spiral lifting vertical arm, and the top of the spiral lifting vertical arm is provided with a second left auxiliary arm.

[0009] Preferably, the top of the box body is provided with a straight lifting vertical arm, and the push-pull arm is arranged at the top of the straight lifting vertical arm.

[0010] Beneficial effects

[0011] The utility model provides a semi -automatic nondestructive tire changer. Have following beneficial effects:

[0012] The semi -automatic nondestructive tire changer can be quickly disassembled and installed, compared with the traditional manual disassembly mode, the tire dismounting machine can utilize mechanical force and pneumatic system, quickly dismounts or installs the tire on the wheel hub, greatly saves time and human resources, can protect the tire and the wheel hub, reduces the damage risk, in the disassembly process, the tire dismounting machine can handle the tire and the wheel hub more gently, accurately controls the power and the angle, avoids the additional pressure and the damage to the tire and the wheel hub, can match the dismounting operation of new energy automobile tire, and ensures that it is not easy to deform after using for many years, when tire is loaded and unloaded, it is very smooth, and can protect the rim, the tire and the wheel hub from being damaged. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic diagram of whole machine for the utility model technical design scheme one;

[0014] Figure 2 It is the structure schematic diagram of whole machine for the utility model technical design scheme one;

[0015] Figure 3 It is the structure schematic diagram of vertical arm for the utility model technical scheme one;

[0016] Figure 4 It is the structure schematic diagram of auxiliary arm for the utility model technical scheme one;

[0017] Figure 5 It is the structure schematic diagram of auxiliary arm for the utility model technical scheme one;

[0018] Figure 6 It is the structure schematic diagram of auxiliary arm for the utility model technical scheme one;

[0019] Figure 7 It is the structure schematic diagram of auxiliary arm for the utility model technical scheme one;

[0020] Figure 8It is the structure schematic view of the auxiliary arm of the utility model;

[0021] Figure 9 It is the structure schematic view of the auxiliary arm of the utility model;

[0022] Figure 10 It is the structure schematic view of the whole machine of the utility model technical design scheme two;

[0023] Figure 11 It is the structure schematic view of the whole machine of the utility model technical design scheme two;

[0024] Figure 12 It is the structure schematic view of the whole machine of the utility model technical design scheme two;

[0025] Figure 13 It is the structure schematic view of the whole machine of the utility model technical design scheme three;

[0026] Figure 14 It is the structure schematic view of the whole machine of the utility model technical design scheme three;

[0027] Figure 15 It is the structure schematic view of the whole machine of the utility model technical design scheme three;

[0028] In the drawing: 1, box body; 2, tower-shaped rear inclined vertical arm; 3, tire pressing shovel; 4, tire pneumatic lifting frame; 5, control pedal; 6, first left auxiliary arm; 7, main stand; 8, first hand-pulled pneumatic valve; 9, second hand-pulled pneumatic valve; 10, tire stripping wheel; 11, control cylinder; 12, vertical sliding sleeve; 13, hexagonal rod; 14, supporting seat; 15, locking screw; 16, pneumatic overturning dismounting head; 17, air valve; 18, push-pull arm; 19, first locking device; 20, horizontal sliding sleeve; 21, tire pressing arm; 22, second locking device; 23, air spring; 24, tire pressing seat; 25, sliding support; 26, main shaft; 27, spiral lifting vertical arm; 28, second left auxiliary arm; 29, straight-line lifting vertical arm. DETAILED DESCRIPTION

[0029] The technical schemes in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] Embodiment 1:

[0031] As Figures 1-9As shown, the utility model provides a semi -automatic nondestructive tire changer, including box 1, box 1 is connected with tower rear -leaning type vertical arm 2 through the shaft, the outside of box 1 is provided with tire shovel 3, the side of box 1 away from tire shovel 3 is provided with tire pneumatic lifting frame 4, the bottom of the outer surface of box 1 is provided with control pedal 5, the top of tower rear -leaning type vertical arm 2 is provided with first left auxiliary arm 6 and push -pull arm 18, the outer surface of box 1 is fixedly connected with support seat 14, the inside of support seat 14 is provided with main stand 7, the top of main stand 7 is provided with first hand -pulling pneumatic valve 8, the outer surface of push -pull arm 18 is provided with vertical slide sleeve 12, the inside of vertical slide sleeve 12 is provided with hexagonal bar 13, the bottom end of hexagonal bar 13 is provided with pneumatic turnover dismounting head 16, the outer surface of vertical slide sleeve 12 is provided with gas valve 17, the upper surface of box 1 is provided with main shaft 26, the top end of main shaft 26 is provided with locking screw 15, the outer surface of main stand 7 is provided with first locking device 19 and sliding support 25, the outer surface of sliding support 25 is provided with horizontal slide sleeve 20 and second locking device 22, the outer surface of horizontal slide sleeve 20 is provided with second hand -pulling pneumatic valve 9, the inside of horizontal slide sleeve 20 is provided with tire arm 21, the end of tire arm 21 is provided with tire stripping wheel 10.

[0032] Pneumatic turnover dismounting head 16 is connected with hexagonal bar 13, is installed in the vertical slide sleeve 12 of push -pull arm 18, uses cylinder to drive, does vertical reciprocating motion, controls hexagonal bar 13 to be locked and relaxed at different height positions by gas valve 17, sets the horizontal height of pneumatic turnover dismounting head 16 and hub, reserves safety clearance, avoids scratching hub;

[0033] Push -pull arm 18 is installed in the horizontal slide sleeve 20 of tower rear -leaning type vertical arm 2, does horizontal linear reciprocating motion by artificial pushing, controls push -pull arm 18 to be locked and relaxed at different horizontal positions by gas valve 17, sets the vertical distance of pneumatic turnover dismounting head 16 and hub, reserves safety clearance, avoids scratching hub;

[0034] Tower rear -leaning type vertical arm 2 is connected with box 1 by the shaft, and the angle of the tower rear -leaning type vertical arm 2 is driven to incline forward and incline backward by the cylinder, so as to reserve a safe operation space above the tire and facilitate quick dismounting operation of the tire.

[0035] The tire pneumatic lifting frame 4 is fixed to the left side of the box 1, the lifting frame is driven to lift, lower and move the tire on the bracket by the cylinder, which is used for assembling and positioning the hub and the main shaft 26, saves manual handling and improves work efficiency.

[0036] The main shaft 26 is fixed to the upper surface of the box 1, the hub is fastened by the locking screw 15, the hub and the main shaft 26 are reliably connected, and safe and nondestructive dismounting operation of the tire is ensured.

[0037] The tire pressing shovel 3 is fixed on the supporting arm, the supporting arm is pushed by a cylinder, the tire pressing shovel 3 acts on the tire tread, the tire is quickly and safely separated from the hub, and the tire is prepared for dismounting;

[0038] The auxiliary arm is an important component of the utility model, which is composed of a main stand 7, a supporting seat 14, a tire pressing arm 21 and the like, has the advantages of quick and safe separation of the tire from the hub, and helps the operator to complete tire dismounting and mounting operation.

[0039] The main stand 7 is vertically installed and fixed on the supporting seat 14, is axially rotated through cooperation of the concentric shaft and the concentric sleeve, and is unlocked by pressing the first hand-pulled pneumatic valve 8 to control the first locking device 19 after the operator finishes using the auxiliary arm, and then the tire pressing arm 21 is manually rotated to the outside for next operation;

[0040] The tire stripping wheel 10 is made of plastic material, is fixed on the tire pressing arm 21, is connected with the control cylinder 11 through a connecting rod, and can control the tire stripping wheel 10 to extend and contract in the horizontal position when the control cylinder 11 performs an action, so that the tire stripping wheel 10 and the tire pressing arm 21 cooperate to complete safe stripping of the tire from the hub;

[0041] The tire pressing arm 21 is installed in the horizontal sliding sleeve 20, is manually pushed to make horizontal reciprocating motion, is limited in position through the locking device, adjusts the gap between the tire stripping wheel 10 and the hub, cooperates with the range increasing action of the tire stripping wheel 10, so that the tire stripping wheel 10 can more fully act on the tire lip surface, and ensures that the tire stripping process from the hub is safer and more efficient;

[0042] The horizontal sliding sleeve 20 of the tire pressing arm 21 is connected with the sliding support 25, is axially rotated by 180° through cooperation of the concentric shaft and the concentric sleeve, is unlocked by pressing the second hand-pulled pneumatic valve 9 to control the second locking device 22 after the operator uses the tire stripping wheel 10 to separate the upper tire tread, and then is rotated downward by 180° to strip the lower tire from the hub;

[0043] The air spring 23 connects the tire pressing arm 21 assembly with the sliding support 25, matches the gravity of the two according to the ratio, reduces the weight of the tire pressing arm 21 assembly when it is rotated up and down, saves the working strength of the operator, and improves the efficiency;

[0044] The sliding support 25 is installed on the main stand 7, is vertically lifted through the pushing of a cylinder, adjusts the height of the tire pressing arm 21 in cooperation with the action of the tire stripping wheel 10, and performs tire stripping and tire mounting operation.

[0045] The first left auxiliary arm 6 is connected with the stand column, and both are fixed on the left upper surface of the box body 1, and the main function is to be used for tire installation, and the tire seat 24 is pushed downward on the upper tire surface of the tire by the air cylinder, and the tire installation is completed together with the tire pressing arm 21.

[0046] Embodiment 2:

[0047] As shown in Figures 10-12 The pneumatic turnover dismounting head 16 is connected with the hexagonal rod 13, is installed in the vertical sliding sleeve 12 of the push-pull arm 18, is pushed by the air cylinder, and makes vertical reciprocating motion upward and downward, the hexagonal rod 13 is locked and loosened at different height positions through the air valve 17, the horizontal height of the pneumatic turnover dismounting head 16 and the wheel hub is set, a safety gap is reserved, and the wheel hub is prevented from being scratched;

[0048] The push-pull arm 18 is installed in the horizontal sliding sleeve 20 of the screw lifting vertical arm 27, is pushed manually, and makes horizontal linear reciprocating motion, the push-pull arm 18 is locked and loosened at different horizontal positions through the air valve 17, the vertical distance between the pneumatic turnover dismounting head 16 and the wheel hub is set, a safety gap is reserved, and the wheel hub is prevented from being scratched;

[0049] The screw lifting vertical arm 27 is connected with the box body 1 through a screw mechanism, the screw lifting vertical arm 27 is lifted, the angle is laterally swung and the reset action is completed by the air cylinder (compared with a backward inclined vertical arm, the installation space of the equipment can be relatively saved), a safety operation space above the tire is reserved, and tire quick dismounting operation is facilitated;

[0050] The tire pneumatic lifting frame 4 is fixed on the left side of the box body 1, the lifting frame is driven by the air cylinder, the tire is lifted, lowered and moved on the bracket, the wheel hub and the main shaft 26 are positioned for assembly, manual carrying is saved, and working efficiency is improved;

[0051] The main shaft 26 is fixed on the upper surface of the box body 1, the wheel hub is fastened by the locking screw rod 15, the wheel hub and the main shaft 26 are reliably connected, and safe and lossless tire dismounting operation is ensured;

[0052] The tire pressing shovel 3 is fixed on the supporting arm, the supporting arm is pushed by the air cylinder, the tire pressing shovel 3 acts on the tire surface, quick and safe separation of the tire and the wheel hub is realized, and tire dismounting is prepared;

[0053] The auxiliary arm is an important component of the utility model, which is composed of a main stand column 7, a supporting seat 14 and a tire pressing arm 21, and has the advantages of quick and safe separation of the tire and the wheel hub, and assisting an operator to complete tire dismounting and installation operation.

[0054] The main column 7 is vertically installed and fixed on the support seat 14, and is axially rotated by the cooperation of the concentric shaft and the concentric sleeve. When the operator finishes using the auxiliary arm, the first hand-pulled pneumatic valve 8 is pressed to control the first locking device 19, the locking position of the main column 7 is released, and then the tire pressing arm 21 is manually rotated to the outside for the next operation;

[0055] The tire stripping wheel 10 is made of plastic material, is fixed on the tire pressing arm 21, is connected with the control cylinder 11 through a connecting rod, and can control the tire stripping wheel 10 to extend and contract in the horizontal position when the control cylinder 11 performs an action, so as to cooperate with the tire pressing arm 21 to complete the safe stripping of the tire and the hub;

[0056] The tire pressing arm 21 is installed in the horizontal sliding sleeve 20 and is horizontally reciprocated by manual pushing, and the position is limited by the locking device to adjust the gap between the tire stripping wheel 10 and the hub, so that the tire stripping wheel 10 can more fully act on the surface of the tire lip, and the stripping process of the tire and the hub is more safe and efficient;

[0057] The horizontal sliding sleeve 20 of the tire pressing arm 21 is connected with the sliding bracket 25, and is axially rotated by 180° by the cooperation of the concentric shaft and the concentric sleeve. When the operator uses the tire stripping wheel 10 to separate the upper tire surface, the second hand-pulled pneumatic valve 9 is pressed to control the second locking device 22, the locking position of the tire pressing arm 21 assembly is released, and then the tire pressing arm 21 assembly is rotated downward by 180° to strip the lower tire and the hub;

[0058] The air spring 23 connects the tire pressing arm 21 assembly with the sliding bracket 25, and the weight of the tire pressing arm 21 assembly is reduced according to the equal gravity matching of the two, so as to save the working strength of the operator and improve the efficiency;

[0059] The sliding bracket 25 is installed on the main column 7 and is vertically lifted by the cylinder, cooperates with the action of the tire stripping wheel 10, adjusts the height of the tire pressing arm 21, and performs the tire stripping and tire installation operation.

[0060] The second left auxiliary arm 28 is connected with the column, and the two are fixed on the left upper surface of the box body 1. The main function is to install the tire, the tire pressing seat 24 is pushed downward by the cylinder to act on the upper tire surface, and the tire is installed together with the tire pressing arm 21.

[0061] Example 3:

[0062] As Figures 13-15As shown, the pneumatic turnover dismounting head 16 is connected with the hexagonal rod 13, is installed in the vertical sliding sleeve 12 of the push-pull arm 18, is pushed by a cylinder to make vertical reciprocating motion, the hexagonal rod 13 is locked and released at different height positions through the air valve 17, the horizontal height of the pneumatic turnover dismounting head 16 and the hub is set, a safety gap is reserved, and the hub is prevented from being scratched;

[0063] The push-pull arm 18 is installed in the horizontal sliding sleeve 20 of the linear lifting vertical arm 29, is manually pushed to make horizontal linear reciprocating motion, the push-pull arm 18 is locked and released at different horizontal positions through the air valve 17, the vertical distance of the pneumatic turnover dismounting head 16 and the hub is set, a safety gap is reserved, and the hub is prevented from being scratched;

[0064] The linear lifting vertical arm 29 is connected with the box body 1 through a cylindrical mechanism, the linear lifting vertical arm 29 is pushed by a cylinder to complete lifting and resetting actions (compared with a backward inclined vertical arm, installation space of the equipment can be effectively saved), safety operation space above the tire is reserved, and tire dismounting and mounting operations are facilitated;

[0065] The tire pneumatic lifting frame 4 is fixed to the left side of the box body 1, the lifting frame is driven by a cylinder to make the tire complete lifting, lowering and horizontal movement on the bracket, is used for hub and main shaft 26 assembly positioning, saves manual carrying, and improves work efficiency;

[0066] The main shaft 26 is fixed to the upper surface of the box body 1, the hub is fastened by the locking screw rod 15, the hub and the main shaft 26 are reliably connected, and safe and lossless tire dismounting and mounting operations are ensured;

[0067] The tire pressing shovel 3 is fixed to the supporting arm, the supporting arm is pushed by a cylinder, the tire pressing shovel 3 acts on the tire tread, quick and safe separation of the tire and the hub is realized, and preparation is made for tire dismounting;

[0068] The auxiliary arm is an important component of the utility model, which is composed of a main stand 7, a supporting seat 14, a tire pressing arm 21 and the like, has the advantages of quick and safe separation of the tire and the hub, and can assist an operator to complete tire dismounting and mounting operations.

[0069] The main stand 7 is vertically installed and fixed to the supporting seat 14, axial rotation is realized through cooperation of the concentric shaft and the concentric sleeve, when the operator finishes using the auxiliary arm, the first hand-pulled pneumatic valve 8 is pressed to control the first locking device 19, the locking position of the main stand 7 is released, and then the tire pressing arm 21 is manually rotated to the outside for next operation;

[0070] The tire stripping wheel 10 is made of plastic material, is fixed to the tire pressing arm 21, is connected with the control cylinder 11 through a connecting rod, and can control the tire stripping wheel 10 to stretch and contract at the horizontal position when the control cylinder 11 performs an action, and cooperates with the tire pressing arm 21 to complete safe stripping of the tire and the hub;

[0071] The tire pressing arm 21 is installed in the horizontal sliding sleeve 20, and is driven to make horizontal reciprocating motion by manual pushing, and the position is limited by the locking device, the gap between the tire stripping wheel 10 and the hub is adjusted, the range of the tire stripping wheel 10 is increased, the tire stripping wheel 10 can act on the tire lip surface more fully, and the tire stripping process is more safe and efficient.

[0072] The horizontal sliding sleeve 20 of the tire pressing arm 21 is connected with the sliding support 25, and the axial 180° overturning action is performed through the cooperation of the concentric shaft and the concentric sleeve; when the tire stripping wheel 10 is used to separate the upper tire tread of the tire, the second hand-pulled pneumatic valve 9 is pressed to control the second locking device 22, the locking position of the tire pressing arm 21 assembly is released, and then the tire pressing arm 21 assembly is overturned downward by 180° to strip the lower tire and the hub.

[0073] The air spring 23 connects the tire pressing arm 21 assembly and the sliding support 25, and the weight of the tire pressing arm 21 assembly is reduced according to the equal gravity matching of the two, the working strength of the operator is saved, and the efficiency is improved.

[0074] The sliding support 25 is installed on the main stand 7 and is driven to make vertical lifting motion by the cylinder, and the height of the tire pressing arm 21 is adjusted to strip the tire and install the tire.

[0075] The first left auxiliary arm 6 is connected with the stand, and the two are fixed on the left upper plane of the box body 1, and the main function is to install the tire, the tire pressing seat 24 is driven downward by the cylinder to act on the upper tire tread of the tire, and the tire is installed together with the tire pressing arm 21.

[0076] The working principle and beneficial effects of the above embodiment.

[0077] The utility model has two mechanisms for separating the tire and the hub, and the use mode and characteristics are as follows:

[0078] Method one, the tire pressing shovel 3 is operated to act on the tire tread, and the upper layer and the lower layer of the tire and the hub are separated in sequence, and the operation is suitable for separating the tire and the hub of most small and medium-sized cars, and in the actual application process, the skilled skills of the operator are required to ensure that the tire tread is not torn and the hub edge is not damaged.

[0079] Method two, the hub is fixed on the main shaft 26, the hub is fastened by locking screw 15, the hub is reliably connected with the main shaft 26, the tire stripping wheel 10 is close to the edge of the hub, the upper layer of the tire is pressed down, the tire stripping wheel 10 is extended in the horizontal position, the tire stripping wheel 10 is cooperated with the tire pressing arm 21 to complete the safe stripping of the upper layer of the tire and the hub; when the operator separates the upper layer of the tire by using the tire stripping wheel 10, the second locking device 22 is pressed to control the second hand-pulled pneumatic valve 9, the locking position of the tire pressing arm 21 assembly is released, then it is turned down by 180°, the lower layer of the tire and the hub are stripped, the tire stripping wheel 10 is made of plastic material, even if it is in rolling contact with the tire, it will not damage the tire and the hub, according to the actual use effect, the tire stripping wheel 10 is used to separate the tire and the hub, the wheel is rotated, the tire stripping wheel 10 rotates synchronously with the wheel, the tire surface is uniformly stressed under the action of the tire stripping wheel 10, the single-point stress caused by extrusion deformation is avoided, the external and internal structures of the tire are better protected from being damaged, and lossless disassembly and assembly are realized;

[0080] Carrying tire: the tire pneumatic lifting frame 4 is fixed on the left side of the box body 1, the lifting frame is pushed by the cylinder to complete the lifting, lowering and moving actions of the tire on the bracket, which is used for hub and main shaft 26 assembly positioning, saves manual carrying and improves work efficiency;

[0081] Fixed hub: the hub is fastened by locking screw 15, the hub is reliably connected with the main shaft 26, compared with the traditional chuck jaw clamping method, the biggest advantage is that the hub edge is in a non-contact state with the machine, which avoids damage to the hub due to clamping error;

[0082] Dismounting tire: the dismounting arm assembly of the claim is assembled with the pry bar pneumatic turnover dismounting head 16 structure, the pneumatic turnover dismounting head 16 is an iterative structure of metal pry bar, which refers to the action of manually turning up the tire lip to design the motion track, the dismounting hook is turned over by using the execution cylinder, the force is uniform, which can effectively avoid tearing the tire and can also avoid the risk of damaging the hub when the metal pry bar is used to turn up the tire lip in the traditional tire dismounting machine;

[0083] Installing tire: the dismounting arm assembly of the claim limits the relative position of the tire and the hub, the left auxiliary arm assembly and the right auxiliary arm assembly are used to press the tire surface below the horizontal height of the hub, the tire is safely sleeved into the hub by rotating the tire, and the tire installation operation is completed.

[0084] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0085] While embodiments of the present application have been shown and described herein, it is to be understood that the application is not limited to these embodiments. Rather, many modifications, changes, substitutions, and alterations can be made thereto without departing from the spirit and scope of the present application as defined by the appended claims and their equivalents.

Claims

1. A semi-automatic non-destructive tire changing machine, comprising a housing (1), characterized in that: The housing (1) is connected to a tower-shaped backward-tilting boom (2) via a pivot. A tire pressure shovel (3) is provided on the outside of the housing (1). A tire pneumatic lifting frame (4) is provided on the side of the housing (1) away from the tire pressure shovel (3). A control pedal (5) is provided at the bottom of the outer surface of the housing (1). A first left auxiliary arm (6) and a push-pull arm (18) are provided at the top of the tower-shaped backward-tilting boom (2). A support base (14) is fixedly connected to the outer surface of the housing (1). A main column (7) is provided inside the support base (14). A first hand-operated pneumatic valve (8) is provided at the top of the main column (7). A vertical sliding sleeve (12) is provided on the outer surface of the push-pull arm (18). Six A square rod (13) is provided with a pneumatic flip-up and disassembly head (16) at the bottom end of the hexagonal rod (13). An air valve (17) is provided on the outer surface of the vertical sliding sleeve (12). A main shaft (26) is provided on the upper surface of the housing (1). A locking screw (15) is provided at the top end of the main shaft (26). A first locking device (19) and a sliding bracket (25) are provided on the outer surface of the main column (7). A horizontal sliding sleeve (20) and a second locking device (22) are provided on the outer surface of the sliding bracket (25). A second hand-operated pneumatic valve (9) is provided on the outer surface of the horizontal sliding sleeve (20). A tire pressure arm (21) is provided inside the horizontal sliding sleeve (20). A tire stripping wheel (10) is provided at the end of the tire pressure arm (21).

2. The semi-automatic non-destructive tire changing machine according to claim 1, characterized in that: The end of the horizontal sliding sleeve (20) is provided with a control cylinder (11), the tire stripping wheel (10) is connected to the output end of the control cylinder (11) through a connecting rod, and the output end of the first left auxiliary arm (6) is provided with a tire pressure seat (24).

3. The semi-automatic non-destructive tire changing machine according to claim 1, characterized in that: An air spring (23) is provided on the outer surface of the horizontal sliding sleeve (20), and the end of the air spring (23) away from the horizontal sliding sleeve (20) is connected to the sliding bracket (25).

4. The semi-automatic non-destructive tire changing machine according to claim 1, characterized in that: The top of the housing (1) is provided with a spiral lifting arm (27), and the top of the spiral lifting arm (27) is provided with a second left auxiliary arm (28).

5. The semi-automatic non-destructive tire changing machine according to claim 1, characterized in that: The top of the housing (1) is provided with a linear lifting arm (29), and the push-pull arm (18) is provided on the top of the linear lifting arm (29).

Images