Vehicular has the tire changer of spreading mechanism
This utility model belongs to tire changer, and specifically vehicular has the design of the tire changer of spreading mechanism
With manufacture and use technical field.
For tyre service shop;Some is contained on automobile, i.e. vehicle-mounted tire changer.In vehicular tire changer preferably
The utility model patent that our company has：" vehicle-mounted tire changer " Patent No. ZL201520202776.1.This patent skill
The advantage of art is light structure, small in volume, maneuverability, easy and simple to handle, easy to manufacture.But in our test of many times
With using practice in find its still have some deficits part.It is mainly manifested in：Its base slideway is deltiod, vibrations during changer operating
Larger;Manual type assistant's insufficient pressure can not smoothly reach pressure fetal position;Box type column be deltiod not easy processing, operation when bad
Regulation and control.Need to change shape and structure and its connected mode of associated components.
Content of the invention
The purpose of this utility model is to provide the vehicle-mounted tire changer with spreading mechanism, and tire changer installs additional can
The spreading mechanism dismounting at any time, sets up a tire spreader equal to outside tire machine, i.e. a machine dual-purpose again.
This utility model is achieved by the following technical solution：
The defect existing for existing tire changer, the present invention carries out to relevant components part critical improving and changing
Base assembly, original deltiod slideway is changed to pipe guideway, is cased with monomer cast nylon sliding axle outside pipe guideway
Watt and watt box.Concrete structure is, base is tower structure, be base plate above framework, be arranged on two of guide rail hole parallel
Suit monomer cast nylon Sliding bush and its watt box outside pipe guideway.BaseDecelerator is fastened on by nut through bent plate
Pipe guideway left part,BaseDecelerator output shaft end withBaseThe rear end of leading screw connects,BaseLeading screw front portion and casing
The screw screwed connection of center below.
Reduction gearbox assembly, casing is built with reductor assembly：Connect motor including deceleration box, by V-belt through belt pulley
Constitute reduction box with deceleration box.Equipped with the spreading mechanism that can dismount at any time on bedframe.Spreading mechanism by left and right crossbeam,
Adjustable vertical shaft, latch, cotter axle, expansion tire hook, width adjustment seat, wheel placenta, adjustment spiral shell button assemble.
Box type column assembly, box type column is to change flat pipe square tube, and root set is bolted on deceleration box, card tire
Post is arranged on that root puts, card Placenta Hominiss penetrate the center that double threaded screw is screwed in the hole of card tire post card Placenta Hominiss counterclockwise
Kong Zhong;By in the mouth of open washer insertion double threaded screw minimum position, double threaded screw is counterclockwise locked.
Overall box type column assembly is bolted on base,ColumnDeceleration electric electricity output shaft end withColumnUnder leading screw
End connects,ColumnSquare sliding sleeve screw screwed connection on leading screw and the side's of being contained in sliding sleeve.On the square sliding sleeve side of being sleeved on traveller, square sliding sleeve
Correspondence is arranged on upper and lower rocker arm bracket upper and lower end respectively, and upper and lower rocker arm bracket is positioned by positioning finger.Upper rocker arm center in the hole
Six square shaft spindle noses are connected with dismounting head.Work head fixed body be a Multi-function working head fixed body, it can fix as pressure tire shovel,
Tyre press wheel etc..There are four location holes on six square shaft heads, spindle nose in positioning finger, can select as needed.Lower shake-changing arm and its phase
Close part structural relation identical with the structural relation of associated components with upper rocker arm.Six square shaft heads of lower shake-changing arm are inserted into tyre-pressing disc
On, by positioning finger positioning.So far, you can carry out tyre dismounting operation;Tyre-pressing disc can also be torn open inserting to Reverse gantry
Tire six square shaft head, by positioning finger positioning.Can directly carry out pressing tire operation.
Electronic pressure tire assistant's assembly, the electronic assistant's center penetrating root set is locked on card tire post by underarm collar,Help HandssIn leading screw insertion connection reducer centre bore, fixed by four bolts.Assistant's underarm is arranged in assistant column overcoat
The heart puts.Screw axle sleeve is screwed on leading screw.Electronic assistant's assembly top equipped with sideslip road, have thereon along slideway slip sideslip road silk
Female.There are leading screw lifting spiral shell button, lower end equipped with pressed tyre block equipped with elevating screw, its upper end in sideslip road screw.Assistant's center by
Underarm collar is fixed.Electronic pressure tire assistant's assembly is bolted on deceleration box through base plate.
This utility model can be power source using hydraulic mechanism, that is, remove power system power source, load onto hydraulic mechanism.
The utility model has the advantages that equipped with spreading mechanism one machine dual-purpose, other components on delicate structure, changer
Also all rational in infrastructure, operation smooth, small volume, changer minimum gauge size：Width × height=1.2m × 1.2m.Lightweight, its group
Part is become mostly to be aluminum alloy material.Machine is easy and simple to handle, stable and reliable for performance, working performance is high.
Fig. 1 is this utility model general assembly structural representation
Fig. 2 is base assembly structural representation
Fig. 3 is reduction gearbox assembly structural representation
Fig. 4 is box type column assembly structure schematic diagram
Fig. 5 is electronic pressure tire assistant's assembly schematic diagram
Fig. 6 is spreading mechanism exploded view
Fig. 7 is hydraulic drive mechanism scheme of installation in this utility model
1- base assembly, 2- reduction gearbox assembly, 3- decelerator, 4- base leading screw, 5- base screw, 6- pipe are led
Rail, 7- box type column assembly, 8- electronic pressure tire assistant's assembly, 9- spreading mechanism assembly, 10- switch control box, 11- electrical equipment control
Case, 12- spreading mechanism connecting seat, 13- expanded tire, 1.1- base plate, 1.2- Sliding bush, 1.3- watt of box, 2.1- deceleration box,
2.2- motor, 2.3- motor pulley, 2.4- V-belt, 2.5- reduction box belt pulley, 2.6- reduction box, 2.7- root set,
2.8- card tire post, 2.9- card Placenta Hominiss, 2.10- wheel alignment pin, 2.11- card wheel cone, 2.12- open washer, 2.13- double end spiral shell
Bar, 2.14- connecting bolt, 7.1- column decelerator, 7.2- column leading screw, 7.3- side's sliding sleeve screw, 7.4- side's sliding sleeve,
7.5- upper rocker arm seat, 7.6- folding head, 7.6A- tear tire hook, 7.6B- dress tire hook, 7.7- lower shake-changing arm seat, 7.8- tyre-pressing disc, 7.9- open
The upper hook handle of box type column, 7.10-, 7.11- positioning are pulled pin, finger, 7.14- displacement before and after 7.12- lower draw-bar handle, 7.13-
Positioning finger, 7.15- tyre press wheel finger, 7.16- tool heads fixed body, 7.17- upper rocker arm, 7.18- lower shake-changing arm, under 8.1- assistant
Arm, 8.2- assistant's decelerator, 8.3- column overcoat, 8.4- assistant's leading screw, 8.5- screw axle sleeve, 8.6- sideslip road, 8.7-
Sideslip road screw, 8.8- elevating screw, 8.9- lifting spiral shell button, 8.10- pressed tyre block, 8.11- assistant's center, 8.12- underarm card
Circle, 8.13- sideslip road screw navigation button, the left crossbeam of 9.1-, 9.2- latch, 9.3- is adjustable vertical shaft, 9.4- cotter axle, 9.5- expand tire
The right crossbeam of hook, 9.6-, 9.7- width adjustment seat, 9.8- wheel placenta, 9.9- adjustment spiral shell button, 14- hydraulic mechanism A, 15- hydraulic mechanism
Control valve group, 16- hydraulic mechanism, 17- electromagnetic clutch, 18- hydraulic mechanism B, 19- hydraulic mechanism C.
As shown in Figure 1 and Figure 2, this utility model is by base assembly 1, reduction gearbox assembly 2, box type column assembly 7, electronic pressure tire
Assistant's assembly 8, spreading mechanism assembly 9, electric appliance control box 11, switch control box 10 form.
As shown in figure 1, there being base plate 1.1 above framework, two parallel pipe guideways 6 are arranged on framework to base assembly 1
Guide rail hole in, pipe guideway 6 is having monomer cast nylon Sliding bush 1.2 and its watt box 1.3.Watt box 1.3 top is connected in base plate 1.1
Below.Base decelerator 3 is arranged on pipe guideway 6 left end, the output shaft end of base decelerator 3 through bent plate by bolt
It is connected with the base leading screw 4 being contained on framework, anterior base screw 5 screw thread with base plate 1.1 lower central position of base leading screw 4
Reduction gearbox assembly 2, this assembly riding suit, on the base plate 1.1 of base assembly 1, has deceleration box 2.1, electronic in assembly
Machine 2.2, motor pulley 2.3 is connected by V-belt 2.4 with reduction box belt pulley 2.5.Constitute reduction box 2.6.
Spreading mechanism assembly 9, as shown in Fig. 1, Fig. 6, base assembly 1 connects spreading mechanism assembly 9, its decomposing state such as
Shown in Fig. 6.Its concrete structure and connected mode are described below：
The left crossbeam 9.1 front portion adjustable vertical shaft of plug-in mounting 9.3 is simultaneously fixed by latch 9.2.Described adjustable vertical shaft 9.3 its underpart has
Horizontal circular hole, on inserting the anterior jack of right crossbeam 9.1 and right crossbeam 9.6, during width adjustment seat 9.7 right part jack, upper-lower position can
Select as needed.
Fixation is inserted equipped with expansion tire hook 9.5, by cotter axle 9.4 in adjustable vertical shaft 9.3 top.Right crossbeam 9.6 front portion is equipped with width
Degree width adjustment seat 9.7, on width adjustment seat 9.7 equipped with wheel placenta 9.8, thereon have adjustment spiral shell button 9.9.Width adjustment seat 9.7
The adjustable vertical shaft of plug-in mounting 9.3 in right part jack, and fixed by latch 9.2.Adjustable vertical shaft 9.3 is equipped with expansion tire hook 9.5 and by cotter axle
9.4 it is fixing.
Described width adjustment seat 9.7 has 3 adjustable vertical shaft patchholes because of its right part, selects as needed.
During assembling through the left and right spreading mechanism on left and right crossbeam 9.1 and 9.6 rear portion pin-and-holes difference inserted base assemblies 1 even
In joint chair 12.Fixing with latch 2, that is, composition is arranged on tire changer and it uses the spreading mechanism of the same power source.With
When install, with after pull down.
Can be seen that from Fig. 1 and Fig. 3：Reduction gearbox assembly work riding suit on the base plate 1.1 of base assembly 1, be bolted.
Reduction box 2.6 is contained in deceleration box 2.1, and motor 2.2 is bolted on the right side of deceleration box 2.1 through bent plate, motor skin
Belt wheel 2.3 is connected by V-belt 2.4 with reduction box belt pulley 2.5.Root set 2.7 is bolted on deceleration box 2.1.Card
Tire post 2.8 is arranged on root set 2.7, and card Placenta Hominiss 2.9 penetrate in the hole of card tire post 2.8, counterclockwise by double threaded screw
In 2.13 centre bores being screwed into card Placenta Hominiss 2.9.Open washer 2.12 is inserted in the mouth of the minimum position in double threaded screw 2.13 top, double
Head screw rod 2.13 is locked in the counterclockwise direction.
As shown in figure 1, box type column assembly 7 is bolted in base assembly 1.The output of column decelerator 7.1
Axle head is connected with column leading screw 7.2 lower end, column leading screw 7.2 is connected with square sliding sleeve screw 7.3 screw thread on the side's of being contained in sliding sleeve 7.4
Connect.Square sliding sleeve 7.4 is sleeved on box type column 7.9.Square sliding sleeve 7.4 upper and lower ends respectively correspondence be arranged on upper rocker arm seat 7.5, under shake
On arm seat 7.7.Upper rocker arm seat 7.5 and upper rocker arm 7.17 are positioned by positioning finger 7.11 in front and back, and the six of upper rocker arm 7.17 centre bore
Square shaft spindle nose is connected with dismounting 7.6.Dismounting 7.6 has tears tire hook 7.6A and upper openDressTire hook 7.6B.Work head fixed body
7.16 is a Multi-function working head fixed body, and it can be fixed as pressure tire shovel, tyre press wheel etc..In displacement positioning finger 7.14 it is
There are four location holes can regioselective hole as needed on six square shaft heads, spindle nose.Lower shake-changing arm 7.18 modular construction associated therewith with
Upper rocker arm 7.17 modular construction relation associated therewith is identical, and six square shaft heads of lower shake-changing arm 7.18 are inserted on tyre-pressing disc 7.8 by pressing
Tire wheel finger 7.15 positions, so far, you can carry out tyre dismounting operation;Tyre-pressing disc 7.8 can also be inserted to Reverse gantry
Tear tire six square shaft head open, positioned by front and back's finger 7.13, can directly carry out pressing tire operation.
As shown in Fig. 1 Fig. 5, the assistant's center 8.11 penetrating in root set 2.7 is locked at card tire post by underarm collar 8.12
On 2.8, assistant's leading screw 8.4 inserts and is connected in the centre bore of assistant's decelerator 8.2, is fixed by four bolts.Column
Assistant's underarm 8.1 is installed in assistant's center 8.11 overcoat 8.3.Screw axle sleeve 8.5 is screwed on assistant's leading screw 8.4.
Electronic pressure tire assistant's assembly 8, top equipped with mould slideway 8.6, have slidably sideslip road screw 8.7 thereon.Sideslip
Equipped with elevating screw 8.8 in road screw 8.7.There is lifting spiral shell button equipped with elevating screw 8.8, its upper end in sideslip road screw 8.7
8.9th, lower end is equipped with pressed tyre block 8.10.Assistant's center 8.11 of assistant's underarm 8.1 front end is fixing by underarm collar 2.12.Electronic
Pressure tire assistant's assembly 8 is bolted on deceleration box 2.1 through base plate.
Electric appliance control box 11 in Fig. 1 is built with the contactless condenser of each motor of tire changer.The afterbody side of being contained in
On the switch control box 10 on column assembly 7 top, there is contactless microswitch, control each motor along to rotation.
Power supply of the present utility model is the poly-lithium battery group 48V ＞ 20AH of electric motor car, with each electrical appliance by wire
Connect.The lead battery of same specification can also be adopted.
Described decelerator is made up of motor and connected decelerator.Commercially available.
More aluminium alloy part is adopted, such as in this utility model：Pipe guideway, assistant's linking arm, box type column, square sliding sleeve,
Upright post base, upper and lower rocking arm, watt box etc. are aluminium material, so overall weight is light.
This utility model can substitute power driving mechanism with hydraulic drive mechanism.Specific practice is electric power driver of dismantling
Structure, load onto hydraulic drive mechanism.
Hydraulic drive mechanism has control valve group 15, hydraulic mechanism A14 is contained in base plate 1.1 bottom, and hydraulic mechanism B18 is contained in
On electronic pressure tire assistant 8, hydraulic mechanism C19 is contained on box type column assembly 7.Tyre pressing mechanism 16 is coaxial group with electromagnetic clutch 17
Component, this assembly is contained in the position of automobile engine air conditioning pump.Hang neutral, brake during startup and step on tightly, opened with electromagnetic clutch 17
Close, control the break-make of hydraulic power source.
Using method of the present utility model：First turn on the contactless microswitch of switch control box 10, electricity represents light,
Square nut under double threaded screw 2.13 top on box type column assembly 7 is unclamped, takes open washer 2.12 and card wheel cone 2.11
Under.The wheel of pre- dismounting is put on card Placenta Hominiss 2.9, the unique screw hole on wheel is aligned on wheel alignment pin 2.10, will
Card wheel cone 2.11 pierces in double threaded screw 2.13, and open washer 2.12 is inserted in the groove of double threaded screw 2.13.Pressed with spanner
Counterclockwise it is screwed into double threaded screw 2.13 tightly to live wheel.By the upper hook handle 7.10 on box type column assembly stir,
Dismounting 7.6 thereon is made to move to right the edge avoided tire, tyre-pressing disc 7.8 forward position is directed at lower hub, Push switch control box
Decelerator button on 10, first makes card Placenta Hominiss 2.9 discontinuously rotate, and another switch makes tyre press wheel move down to move down when turning.Directly
Departing to wheel hub with tire.To move on tyre press wheel.Displacement positioning is pulled pin and 7.14 pushes aside, dress tire hook 7.6B is directed downward
Locking finger.Tyre rotation dismounting 7.6 moves down, decelerating chassis assembly work micro- before（Right）Move and necessarily do not touch wheel hub, one fixedly arrives
Till serratd edge.Lifting dismounting 7.6, after reduction gearbox assembly 2（Right）Move, tyre rotation can pull down tire.
Tire patching or pull pin after changing tire, by displacement positioning 7.14 pushes aside, fill tire hook 7.6B is directed downward, and displacement positioning is pulled pin
7.14 tightly lock, and are operated as above, and load onto tire.
It is contained in the spreading mechanism on tire changer, equal to a tire spreader, its using method is：Will be as shown in Figure 6
Spreading mechanism decomposes part and assembles, and the spreading mechanism left crossbeam 9.1 and right crossbeam 9.6 being inserted respectively on tire changer connects
Fixed by latch 9.2 in joint chair 1.2.Connect switch control box 10 to switch deceleration box assembly before moving to（Right）End,
Stand-by.Again width adjusting seat 9.7 is transferred to and is beaten tire relevant position, adjustable vertical shaft 9.3 is also such.Two are expanded tire hook 9.5
Hook in mouth in tire to be expanded simultaneously, then adjustment spiral shell button 9.9 is transferred to center fastening.The phase of Push switch control box 10
Close button.Make casing assembly 2 more backward（Right）Move to expansion tire size, start to expand tire operation.