CN108859629A - A kind of protectiveness disassemblerassembler of low aspect ratio tire - Google Patents

Abstract

The present invention relates to tube lifter fields,In particular to a kind of protectiveness disassemblerassembler of low aspect ratio tire,Including workbench,Positioning mechanism,Ba Bian mechanism and hydraulic lifting arm,The top horizontal of workbench is provided with hydraulic swivel head,Positioning mechanism includes four conflict bars and rotating electric machine,Each outer end for contradicting bar is respectively connected with abutting block,Ba Bian mechanism includes round receiving disk and four gin poles,Circle accommodates the driver plate being provided in disk for stirring gin pole,The side of driver plate is connected with one and stretches out the round push rod for accommodating disk,The side bottom of workbench is provided with several pedal switch,A kind of protectiveness disassemblerassembler of low aspect ratio tire of the invention,Can quickly and labour-saving to low aspect ratio tire carry out dress tire operation,Avoid the case where low aspect ratio tire collides with tyre pressure sensor during the installation process and causes its damage generation,It is impaired that wheel rim is effectively protected simultaneously.

Description

A kind of protectiveness disassemblerassembler of low aspect ratio tire

Technical field

The present invention relates to tube lifter field, in particular to a kind of protectiveness disassemblerassembler of low aspect ratio tire.

Background technique

Wheel hub repacking refers to car owner or specializes in the personnel of vehicle refitting to reach beautiful or other mesh The repacking for carrying out the wheel hub of vehicle first wife, wheel hub and important component of the tire as automobile are many automobile repackings The repacking scope that fan is keen to, the repacking of wheel hub increasingly become the focus of car fans' street rod, and the repacking of wheel hub belongs to More prominent repacking can directly judge the whether tampered wheel hub of a vehicle from visual perception, therefore many people take for The upgrading of wheel hub is attractive not only for beauty.In fact in addition to beautiful factor, the repacking of wheel hub also can achieve improvement Heat dissipation and light-weighted purpose, the repacking of wheel hub are typically chosen the wheel hub of larger size, and large-sized wheel hub need to cooperate it is low The tire of aspect ratio can guarantee that, in the case where hub size increases, speed per hour is consistent with former vehicle, and the tire of low aspect ratio When being assembled with wheel rim, generally require to remove the tyre pressure sensor in former wheel rim and be mounted on new wheel hub, It can be there is a situation where contradicting tyre pressure sensor on the inside of tire during subsequent dress tire, worker can be by being put in crow bar at this time Between tire and wheel hub, the inner edge of tire is then agitated as fulcrum using wheel hub, to make the inner edge of tire turn up until evacuation is opened Tyre pressure sensor, this process generally requires two to three workers and could complete, and causes high effort for, while crow bar smashed wound wheel rim The lacquer painting on surface damages wheel rim itself when serious.

Summary of the invention

In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of protectiveness suitable for low aspect ratio tire Disassemblerassembler.

To solve the above problems, the present invention provides following technical scheme：A kind of protectiveness dismounting of low aspect ratio tire is set It is standby, including workbench, positioning mechanism, Ba Bian mechanism and hydraulic lifting arm, the top horizontal of workbench be provided with a hydraulic rotation The top of hydraulic swivel head is arranged in disk, positioning mechanism, and hydraulic lifting arm is in the top one end for being vertically arranged in workbench, takes off side machine Structure is horizontally set on the surface of positioning mechanism, and the top of Ba Bian mechanism by a horizontally disposed support arm with it is hydraulic It is fixedly connected at the top of lifting arm, positioning mechanism includes four horizontally disposed conflict bars and moves for four conflict bars of driving The inside of workbench is arranged in dynamic rotating electric machine, rotating electric machine, and four conflict bars are in crossing distribution and four conflict bars It can be moved along the radial direction of hydraulic swivel head, each outer end for contradicting bar is respectively connected with one for contradicting supporting for wheel rim inner ring Tight block, Ba Bian mechanism include round receiving disk and four gin poles, and four gin poles, which are distributed uniformly and circumferentially, accommodates disk in circle Lower section, the middle part of each gin pole is hinged with the round bottom for accommodating disk, extends at the top of gin pole and round accommodates the interior of disk Portion, circle accommodate the driver plate being provided in disk for stirring gin pole, and the side of driver plate is connected with one and stretches out round receiving disk Push rod, the side bottom of workbench are provided with several and control hydraulic swivel head rotation, rotating electric machine rotation and hydraulic lifting respectively The pedal switch of arm lifting；

The positioning mechanism further includes first gear, second gear and four gag lever posts, and four gag lever posts are in set vertically It sets at the top center of hydraulic swivel head, and four square distributions of gag lever post, first gear and second gear are in water The top of second gear is arranged in flat setting and first gear fitting, and first gear and second gear are located at four limited posts At center, rotating electric machine is arranged in inside workbench and its output shaft passes through the top of workbench straight up, and with top First gear and second gear be fixedly and coaxially connected, four conflict bars are in a pair two-by-two respectively about first gear and the second tooth Wheel is symmetrical arranged, and contradicts the rack gear for being provided on the inside of bar and engaging with first gear or second gear, each conflict Be provided with the bar shaped limit hole parallel with length direction on bar, each bar shaped limit hole contradicted on bar with it is corresponding Two gag lever posts are slidably matched, and a nut, bottom and the conflict bar of nut are fixedly connected at the top of each gag lever post Top fitting.

Preferably, each abutting block is vertically arranged the hardened structure of stripe shape, and pushes against block and contact with wheel rim inner ring Side be convex globoidal structure, push against block be fixedly connected on it is corresponding conflict bar far from first gear or second gear one End, the length direction for pushing against block are parallel to the top planes of workbench, and the bottom for pushing against block is bonded with the top of hydraulic swivel head, often A convex globoidal for pushing against block has one layer of cushion rubber layer.

Preferably, there are four bar limit slots for the top setting of the hydraulic swivel head, and four bar limit slots are along hydraulic circle The circumferencial direction of disk is uniformly distributed, and the length direction of each bar limit slot is each parallel to the diametrical direction of hydraulic swivel head, The length direction of each abutting block is each perpendicular to the corresponding length direction for contradicting bar, and the one of each separate conflict bar of abutting block End bottom is provided with the position limiting slide block being slidably matched with lower section bar limit slot, and the width of bar limit slot is equal to limit The width of sliding block.

Beneficial effect：Tire is first placed in by a kind of protectiveness disassemblerassembler of low aspect ratio tire of the invention, when use On workbench, then wheel rim is removed to workbench, is placed on hydraulic swivel head, packs into the bottom of wheel rim first in tire, it After step on pedal switch, rotating electric machine drives first gear and second gear to rotate synchronously, and first gear, which drives, to be engaged with Two conflict bars move towards, and second gear drives two conflict bars being engaged with to move towards, due to first gear and the The rotation of two gear synchronous, therefore direction of four conflict bars simultaneously on the radial direction of hydraulic swivel head away from the center of circle is moved Dynamic, until four abutting blocks and wheel rim inner ring contradict and fix wheel rim, the receiving setting that gag lever post can slide exists In corresponding bar shaped limit hole, and the width of bar shaped limit hole is equal to the diameter of gag lever post, therefore ensure that contradicting bar is moving Lateral shift will not occur in dynamic process, push against block during with bar movement is contradicted, pass through the position limiting slide block of bottom With the cooperation of bar limit slot, it ensure that and push against block in the process of moving, will not be shaken or partially far from the one end for contradicting bar It moves, the decline of hydraulic lifting armband Dong Basheng mechanism is controlled by pedal switch later, until the bottom of gin pole touches tire Top at this time manually fills in the bottom one by one of four gin poles in the gap between tire and wheel rim, is then rotated by push rod Driver plate drives four sliding sleeves mobile towards the center of circle of lower plate simultaneously, due to the middle part of gin pole and the bottom of lower plate by driver plate Portion is hinged, so that four sliding sleeves drive the center of circle direction of top towards the lower plate of four gin poles close, to make four gin poles Lower end simultaneously agitate outward, tyre rim is dug upwards and is slightly lifted, until tyre rim smoothly avoid tire pressure sensing Until device, pushing hands is connect by locking pin with shaft, so that ensure that can drive driver plate to turn by pulling the outer end of pushing hands It is dynamic, to move the upper end of gin pole by driver plate, to tilt the lower end of gin pole, four companies are pulled by the rotation of driver plate Bar, then being moved to pull on four and slide over bar shaped and slide sliding in notch by four connecting rods, so that the upper end of gin pole is pulled, Reinforcing portion strengthens the intensity of gin pole, ensure that gin pole will not be bent easily, anti-skid bulge portion increase with tyre rim go out Frictional force, plays the role of anti-skidding, enables the bottom of gin pole that liter is smoothly taken off in the top inner edge of tire, thus taking off the mistake risen Tyre pressure sensor is avoided in journey, the rubber protection pad of gin pole bottom rear ensure that gin pole will not be with rim bead in use Hard contact occurs for edge, to damage wheel rim, after completion tire takes off lift operations, drives rotating electric machine reversion by pedal switch, makes Four conflict bars are mobile towards the direction close to the center of circle on the radial direction of hydraulic swivel head, to unclamp the wheel being fixed Rim, a kind of protectiveness disassemblerassembler of low aspect ratio tire of the invention, can quickly and labour-saving is to low aspect ratio tire Dress tire operation is carried out, the case where low aspect ratio tire collides with tyre pressure sensor during the installation process and causes its damage hair is avoided It is raw, while it is impaired to effectively protect wheel rim.

Detailed description of the invention

Fig. 1 show schematic perspective view of the invention；

Fig. 2 show stereochemical structure decomposing schematic representation of the invention；

Fig. 3 show the top view of workbench；

Fig. 4 show sectional perspective structural decomposition diagram of the invention；

Fig. 5 show the schematic perspective view one of Ba Sheng mechanism；

Fig. 6 show the schematic perspective view two of Ba Sheng mechanism；

Fig. 7 show the top view of Ba Sheng mechanism；

Fig. 8 show the sectional perspective structural schematic diagram of Ba Sheng mechanism；

Fig. 9 show the stereochemical structure decomposing schematic representation of Fig. 8；

Figure 10 show the sectional view of sliding sleeve；

Figure 11 show the schematic perspective view of use state of the present invention；

Figure 12 show the assembling schematic diagram of tire and wheel rim；

Figure 13 show the present invention and takes off a liter schematic illustration for evacuation；

Description of symbols：Workbench 1, positioning mechanism 2, Ba Bian mechanism 3, hydraulic lifting arm 4, hydraulic swivel head 5, support arm 6, conflict bar 7, abutting block 8, tyre pressure sensor 9, gin pole 10, driver plate 11, push rod 12, pedal switch 13, first gear 14, second Gear 15, gag lever post 16, rack gear 17, bar shaped limit hole 18, nut 19, bar limit slot 20, position limiting slide block 21, upper disk cover 22, Notch 24, sliding sleeve 25, shaft 26, locking pin 27, bar shaped avoid holes 28, axle sleeve 29, connecting rod 30, hinge are slided in lower plate 23, bar shaped Joint chair 31, reinforcing portion 32, anti-skid bulge portion 33, rubber protection pad 34, wheel rim 35, tire 36.

Specific embodiment

With reference to the accompanying drawings of the specification and embodiment, specific embodiments of the present invention are described in further detail：

Referring to figs. 1 to a kind of protectiveness disassemblerassembler of low aspect ratio tire shown in Figure 13, including workbench 1, positioning Mechanism 2, Ba Bian mechanism 3 and hydraulic lifting arm 4, the top horizontal of workbench 1 are provided with a hydraulic swivel head 5, and positioning mechanism 2 is set It sets at the top of hydraulic swivel head 5, hydraulic lifting arm 4 is in the top one end for being vertically arranged in workbench 1, and 3 level of Ba Bian mechanism is set It sets in the surface of positioning mechanism 2, and the top of Ba Bian mechanism 3 passes through a horizontally disposed support arm 6 and hydraulic lifting The top of arm 4 is fixedly connected, and positioning mechanism 2 includes four horizontally disposed conflict bars 7 and moves for four conflict bars 7 of driving The inside of workbench 1 is arranged in dynamic rotating electric machine, rotating electric machine, and four conflict bars 7 are in crossing distribution and four conflicts Bar 7 can be moved along the radial direction of hydraulic swivel head 5, and each outer end for contradicting bar 7 is respectively connected with one for contradicting wheel rim 35 The abutting block 8 of inner ring, Ba Bian mechanism 3 include round receiving disk and four gin poles 10, and four gin poles 10 along the circumferential direction uniformly divide Cloth is in the round lower section for accommodating disk, and the middle part of each gin pole 10 is hinged with the round bottom for accommodating disk, and the top of gin pole 10 is prolonged The round inside for accommodating disk is extended to, circle accommodates the driver plate 11 being provided in disk for stirring gin pole 10, and the side of driver plate 11 connects It is connected to one and stretches out the round push rod 12 for accommodating disk, the side bottom of workbench 1 is provided with several and controls hydraulic swivel head 5 respectively The pedal switch 13 that rotation, rotating electric machine rotation and hydraulic lifting arm 4 are gone up and down.

The Ba Bian mechanism 3 further includes first gear 14, second gear 15 and four gag lever posts 16, and four gag lever posts 16 are equal In being vertically arranged at the top center of hydraulic swivel head 5, and four square distributions of gag lever post 16, first gear 14 and Two gears 15 are bonded the top that second gear 15 is arranged in, first gear 14 and second in horizontally disposed and first gear 14 Gear 15 is located at the center of four limited posts, and rotating electric machine setting is inside workbench 1 and its output shaft is worn straight up The top of workbench 1 is crossed, and is fixedly and coaxially connected with the first gear of top 14 and second gear 15, four conflict bars 7 are in two Two is a pair of arranged symmetrically respectively about first gear 14 and second gear 15, and the inside for contradicting bar 7 is provided with and first The rack gear 17 that gear 14 or second gear 15 engage is provided with the item parallel with length direction on each conflict bar 7 Shape limit hole 18, each bar shaped limit hole 18 contradicted on bar 7 are slidably matched with corresponding two gag lever posts 16, each limit The top of bar 16 is fixedly connected to a nut 19, and the bottom of nut 19 be bonded with the top for contradicting bar 7, and when use will first take turns Tire 36 is placed on workbench 1, then removes wheel rim 35 to workbench 1, is placed on hydraulic swivel head 5, and the bottom of wheel rim 35 is made It first packing into tire 36, steps on pedal switch 13 later, rotating electric machine drives first gear 14 and second gear 15 to rotate synchronously, First gear 14 drives two conflict bars 7 being engaged with to move towards, and second gear 15 drives two conflicts being engaged with Bar 7 moves towards, and since first gear 14 and second gear 15 rotate synchronously, four conflict bars 7 are simultaneously along hydraulic swivel head 5 Radial direction carry out centripetal or centrifugation movement, receiving that gag lever post 16 can slide and be arranged in corresponding bar shaped limit hole 18 It is interior, and the width of bar shaped limit hole 18 is equal to the diameter of gag lever post 16, therefore ensure that and contradict bar 7 in the process of moving not Lateral shift can occur.

Each abutting block 8 is vertically arranged the hardened structure of stripe shape, and pushes against block 8 is contacted with 35 inner ring of wheel rim one Side is convex globoidal structure, pushes against block 8 and is fixedly connected on corresponding conflict bar 7 far from first gear 14 or second gear 15 One end, the length direction for pushing against block 8 are parallel to the top planes of workbench 1, push against the bottom of block 8 and the top of hydraulic swivel head 5 Fitting, each convex globoidal for pushing against block 8 have one layer of cushion rubber layer, and four conflict bars 7 are simultaneously in the radius of hydraulic swivel head 5 Direction on direction away from the center of circle is mobile, until four abutting blocks 8 contradict with 35 inner ring of wheel rim and fix wheel rim 35 Until, after completion tire 36 takes off lift operations, rotating electric machine reversion is driven by pedal switch 13, makes four conflict bars 7 hydraulic It is mobile towards the direction close to the center of circle on the radial direction of turntable 5, to unclamp the wheel rim 35 being fixed.

There are four bar limit slots 20 for the top setting of the hydraulic swivel head 5, and four bar limit slots 20 are along hydraulic disc Circumferencial direction be uniformly distributed, and the length direction of each bar limit slot 20 is each parallel to the diametrical direction of hydraulic swivel head 5, Each length direction for pushing against block 8 is each perpendicular to the corresponding length direction for contradicting bar 7, and each abutting block 8 is far from conflict bar 7 One end bottom be provided with the position limiting slide block being slidably matched with lower section bar limit slot 20 21, the width of bar limit slot 20 Degree is equal to the width of position limiting slide block 21, pushes against block 8 during with the movement of bar 7 is contradicted, passes through the position limiting slide block 21 of bottom With the cooperation of bar limit slot 20, ensure that push against block 8 in the process of moving, far from contradict bar 7 one end will not shake or Person's offset.

The round disk that accommodates is made of upper disk cover 22 and lower plate 23, and upper disk cover 22 is closed the top that lower plate 23 is arranged in Portion's opening, there are four bar shapeds to slide notch 24, the length direction of four bar shaped sliding notches 24 for the bottom setting of lower plate 23 It is overlapped with the diametrical direction of lower plate 23, four bar shaped sliding notches 24 are distributed uniformly and circumferentially at the bottom of lower plate 23 Portion, each bar shaped are slided and are provided with a sliding sleeve 25 in notch 24, and driver plate 11 is in setting that is horizontal and can rotating under At the interior measured center of disk body 23, driver plate 11 is connect with four sliding sleeves 25 simultaneously, and the top of each gin pole 10 both passes through sliding sleeve 25 simultaneously It upwardly extends, push rod 12 is fixedly connected in horizontally disposed and one end with the top of driver plate 11, and the other end extends horizontally to down The outside of disk body 23 controls hydraulic lifting arm 4 by pedal switch 13 and drives the decline of Ba Sheng mechanism, until the bottom of gin pole 10 connects It contacts the top of tire 36, the bottom one by one of four gin poles 10 is manually filled in the gap between tire 36 and wheel rim 35 at this time It is interior, then by 12 rotating driver plate 11 of push rod, drive four sliding sleeves 25 to move simultaneously towards the center of circle of lower plate 23 by driver plate 11 It is dynamic, since the middle part of gin pole 10 and the bottom of lower plate 23 are hinged, so that four sliding sleeves 25 drive the top court of four gin poles 10 Lower plate 23 center of circle direction it is close, it is to make the lower end of four gin poles 10 while agitate outward, 36 edge of tire is upward It digs and is slightly lifted, until 36 edge of tire smoothly avoids tyre pressure sensor 9.

The driver plate 11 is square structure and the center in being fixedly connected with a shaft 26 vertically, shaft 26 it is upper Lower end passes through bearing and upper disk cover 22 respectively and the bottom center of lower plate 23 is rotatablely connected, and one end of pushing hands is set in driver plate It is fixedly connected in the shaft 26 at 11 tops and by a locking pin 27 with shaft 26, one is offered on the side wall of small disk body For avoiding the bar shaped avoid holes 28 of push rod 12, pushing hands is connect by locking pin 27 with shaft 26, so that ensure that can pass through The outer end of pushing hands is pulled to drive driver plate 11 to rotate, so that the upper end of gin pole 10 is moved by driver plate 11, to tilt gin pole 10 lower end.

Each sliding sleeve 25 is provided with an axle sleeve 29, four axle sleeves 29 and driver plate 11 close to one end of driver plate 11 Connected respectively by four connecting rods 30 between four turnings, connecting rod 30 is located at the lower section of driver plate 11, and one end of connecting rod 30 and Axle sleeve 29 is hinged, and other end corner corresponding with driver plate 11 is hinged, and four connecting rods 30 are pulled by the rotation of driver plate 11, then It is slided in bar shaped sliding notch 24 by four sliding sleeves 25 that are moved to pull on of four connecting rods 30, to pull the upper of gin pole 10 End.

In being vertically arranged there are four hinged seat 31, each hinged seat 31 is arranged at corresponding for the bottom of the lower plate 23 Bar shaped is slided immediately below the middle part of notch 24, and the middle part of gin pole 10 is provided with the reinforcing portion 32 cooperated with hinged seat 31, gin pole 10 Bottom is provided with anti-skid bulge portion 33 close to the side of tire 36, and 10 bottom of gin pole is provided with rubber close to the side of wheel rim 35 and protects Protection pad 34, reinforcing portion 32 strengthen the intensity of gin pole 10, ensure that gin pole 10 will not be bent easily, anti-skid bulge portion 33 increases The frictional force gone out with 36 edge of tire, plays the role of anti-skidding, enables the bottom of gin pole 10 smoothly will be in the top of tire 36 Edge takes off liter, to avoid tyre pressure sensor 9 during taking off and rising, the rubber protection pad 34 of 10 bottom rear of gin pole be ensure that Gin pole 10 will not occur to contact firmly with 35 edge of wheel rim in use process, to damage wheel rim 35.

Working principle：First tire 36 is placed on workbench 1 when use, is then removed wheel rim 35 to workbench 1, juxtaposition In packing into the bottom of wheel rim 35 first in tire 36, pedal switch 13 is stepped on later, rotating electric machine drives the One gear 14 and second gear 15 rotate synchronously, and first gear 14 drives two conflict bars 7 being engaged with to move towards, and second Gear 15 drives two conflict bars 7 being engaged with to move towards, since first gear 14 and second gear 15 rotate synchronously, because Direction of this four conflict bars 7 simultaneously on the radial direction of hydraulic swivel head 5 away from the center of circle is mobile, until four abutting blocks Until 8 contradict with 35 inner ring of wheel rim and fix wheel rim 35, the receiving that gag lever post 16 can slide is arranged in corresponding bar shaped In limit hole 18, and the width of bar shaped limit hole 18 is equal to the diameter of gag lever post 16, therefore ensure that and contradict bar 7 mobile Lateral shift will not occur in the process, push against block 8 during with the movement of bar 7 is contradicted, pass through the position limiting slide block 21 of bottom With the cooperation of bar limit slot 20, ensure that push against block 8 in the process of moving, far from contradict bar 7 one end will not shake or Person's offset controls hydraulic lifting arm 4 by pedal switch 13 later and drives the decline of Ba Sheng mechanism, until the bottom of gin pole 10 contacts To the top of tire 36, manually the bottom one by one of four gin poles 10 is filled in the gap between tire 36 and wheel rim 35 at this time, Then by 12 rotating driver plate 11 of push rod, drive four sliding sleeves 25 mobile towards the center of circle of lower plate 23 simultaneously by driver plate 11, Since the middle part of gin pole 10 and the bottom of lower plate 23 are hinged, so that four sliding sleeves 25 drive the top of four gin poles 10 under The center of circle direction of disk body 23 is close, to make the lower end of four gin poles 10 while agitate outward, 36 edge of tire is dug upwards And be slightly lifted, until 36 edge of tire smoothly avoids tyre pressure sensor 9, pushing hands is connected by locking pin 27 and shaft 26 It connects, so that ensure that can drive driver plate 11 to rotate by pulling the outer end of pushing hands, to move gin pole by driver plate 11 10 upper end pulls four connecting rods 30 by the rotation of driver plate 11, then pass through four connecting rods to tilt the lower end of gin pole 10 30 four sliding sleeves 25 that are moved to pull on slide in bar shaped sliding notch 24, so that the upper end of gin pole 10 is pulled, reinforcing portion 32 The intensity for strengthening gin pole 10 ensure that gin pole 10 will not be bent easily, and anti-skid bulge portion 33 is increased to be gone out with 36 edge of tire Frictional force, play the role of anti-skidding, enable the bottom of gin pole 10 that liter is smoothly taken off in the top inner edge of tire 36, thus taking off Tyre pressure sensor 9 is avoided during rising, the rubber protection pad 34 of 10 bottom rear of gin pole ensure that gin pole in use 10 will not occur to contact firmly with 35 edge of wheel rim, to damage wheel rim 35, after completion tire 36 takes off lift operations, pass through pedal switch 13 drive rotating electric machine reversion, move four conflict bars 7 on the radial direction of hydraulic swivel head 5 towards the direction close to the center of circle It is dynamic, to unclamp the wheel rim 35 being fixed.

The above described is only a preferred embodiment of the present invention, not making any limit to technical scope of the invention System, therefore any subtle modifications, equivalent variations and modifications to the above embodiments according to the technical essence of the invention, In the range of still falling within technical solution of the present invention.

Claims (3)

1. a kind of protectiveness disassemblerassembler of low aspect ratio tire, it is characterised in that：Including workbench (1), positioning mechanism (2), Ba Bian mechanism (3) and hydraulic lifting arm (4), the top horizontal of workbench (1) are provided with a hydraulic swivel head (5), positioning mechanism (2) setting is in the top one end for being vertically arranged in workbench (1) at the top of hydraulic swivel head (5), hydraulic lifting arm (4), takes off side Mechanism (3) is horizontally set on the surface of positioning mechanism (2), and the top of Ba Bian mechanism (3) is horizontally disposed by one It is fixedly connected at the top of support arm (6) and hydraulic lifting arm (4), positioning mechanism (2) includes four horizontally disposed conflict bars (7) it is arranged with the rotating electric machine for driving four conflict bars (7) mobile, rotating electric machine in the inside of workbench (1), four are supported Feeler lever (7) can be moved in crossing distribution and four conflict bars (7) along the radial direction of hydraulic swivel head (5), each conflict The outer end of bar (7) is respectively connected with one for contradicting the abutting block (8) of wheel rim (35) inner ring；Ba Bian mechanism (3) includes round holds Receive disk and four gin poles (10), four gin poles (10) are distributed uniformly and circumferentially in the round lower section for accommodating disk, each gin pole (10) middle part is hinged with the round bottom for accommodating disk, and the round inside for accommodating disk is extended at the top of gin pole (10), round The driver plate (11) being provided in disk for stirring gin pole (10) is accommodated, the side of driver plate (11) is connected with the round receiving of a stretching The push rod (12) of disk；The side bottom of workbench (1) is provided with several and controls hydraulic swivel head (5) rotation, rotating electric machine respectively The pedal switch (13) of rotation and hydraulic lifting arm (4) lifting；

The positioning mechanism (2) further includes first gear (14), second gear (15) and four gag lever posts (16), four gag lever posts (16) in being vertically arranged at the top center of hydraulic swivel head (5), and four square distributions of gag lever post (16), first Gear (14) and second gear (15) are arranged in the fitting of horizontally disposed and first gear (14) on the top of second gear (15) Portion, first gear (14) and second gear (15) are located at the center of four limited posts, and rotating electric machine setting is in workbench (1) Portion and its output shaft pass through the top of workbench (1) straight up, and with the first gear of top (14) and second gear (15) it is fixedly and coaxially connected, four conflict bars (7) are in a pair of right respectively about first gear (14) and second gear (15) two-by-two Claim setting, and contradicts the rack gear for being provided on the inside of bar (7) and engaging with first gear (14) or second gear (15) (17), the bar shaped limit hole (18) parallel with length direction, each conflict bar (7) are provided on each conflict bar (7) On bar shaped limit hole (18) be slidably matched with corresponding two gag lever posts (16), the top of each gag lever post (16) is fixed It is connected with a nut (19), the bottom of nut (19) is bonded with the top for contradicting bar (7).

2. a kind of protectiveness disassemblerassembler of low aspect ratio tire according to claim 1, it is characterised in that：It is each described It pushes against block (8) and is vertically arranged the hardened structure of stripe shape, and pushing against the side that block (8) is contacted with wheel rim (35) inner ring is convex arc Face structure pushes against block (8) and is fixedly connected on one of corresponding conflict bar (7) far from first gear (14) or second gear (15) End, the length direction for pushing against block (8) are parallel to the top planes of workbench (1), push against the bottom and hydraulic swivel head (5) of block (8) Top fitting, it is each push against block (8) convex globoidal have one layer of cushion rubber layer.

3. a kind of protectiveness disassemblerassembler of low aspect ratio tire according to claim 2, it is characterised in that：It is described hydraulic There are four bar limit slot (20), circumferencial direction of four bar limit slots (20) along hydraulic disc for the top setting of turntable (5) It is uniformly distributed, and the length direction of each bar limit slot (20) is each supported each parallel to the diametrical direction of hydraulic swivel head (5) The length direction of tight block (8) is each perpendicular to the corresponding length direction for contradicting bar (7), and each abutting block (8) is far from conflict bar (7) one end bottom is provided with the position limiting slide block (21) being slidably matched with lower section bar limit slot (20), bar shaped limit The width of slot (20) is equal to the width of position limiting slide block (21).