CN202963953U - Device special for quick disassembly of drum brake of automobile - Google Patents
Device special for quick disassembly of drum brake of automobile Download PDFInfo
- Publication number
- CN202963953U CN202963953U CN 201220678344 CN201220678344U CN202963953U CN 202963953 U CN202963953 U CN 202963953U CN 201220678344 CN201220678344 CN 201220678344 CN 201220678344 U CN201220678344 U CN 201220678344U CN 202963953 U CN202963953 U CN 202963953U
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- drum
- automobile
- brake drum
- hydraulic
- embracing
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Abstract
The utility model discloses a device special for quick disassembly of a drum brake of an automobile. The device special for the quick disassembly of the drum brake of the automobile mainly comprises a rack, a drum hold upper arc plate, an adjusting threaded rod, drum hold side arms, a lifting adjustment mechanism and a hydraulic disassembly mechanism. The device special for the quick disassembly of the drum brake of the automobile is characterized in that an electromechanical hydraulic combined integrated technology is adopted to form the device special for the quick disassembly of the drum brake of the automobile, a mechanical structure is used for adjusting the drum hold upper arc plate and the drum hold side arms to enable the drum hold upper arc plate and the drum hold side arms to firmly hoop the drum brake, and hydraulic force of a hydraulic disassembly mechanism is used for exerting large top pressing acting force on an end face of a hub shaft, namely the drum brake can be stably and gradually loosened in a pull mode until the drum brake slips, outward moves and drops out of the hub shaft. The device special for the quick disassembly of the drum brake of the automobile has the advantages of being simple in structure, easy to manufacture, low in manufacture cost, convenient to disassemble and assemble, time-saving, labor-saving, high in efficiency, and capable of greatly shortening automobile repairing time and reducing automobile repairing expenses, and having good popularization and application prospects in automobile repairing industry.
Description
Technical field
The utility model relates to a kind of tooling device for the auto repair operation, relates in particular to a kind of isolated plant of quick-detachment automobile brake drum, and it belongs to the technical field of Automobile Service equipment.
Background technology
Along with the high speed development of China's communication and improving constantly of people's level of production, pony car as walking-replacing tool enter the common people other, all kinds of loading heavy trucks are but commanded the big business business always.So the huge powerful market demand has effectively advanced the fast development of Domestic Automotive Industry, is also particularly a splendid opportunity to develop phase for automobile maintenance industry.Understand according to automobile maintenance industry: in order to improve the speed of repairing and the quality that repairs, existing automobile maintenance industry has begun to research and develop and has substituted with some auxiliary equipment that are exclusively used in dismounting the operation that manually repairs, such as: common are the most the special equipments such as " crossbeam correct detection machine ", " king-pin hydraulic disassembling and assembling machine ", " multi-functional jack " and be successfully applied to the Automobile Service operation, these auxiliary disassemblerassemblers can not only improve speed and the quality that repairs, and can also greatly alleviate workman's labour intensity.But up to now, we not yet see a kind of comparatively desirable tooling device that is exclusively used in maintenance dismounting automobile brake drum.In fact, for guaranteeing ride safety of automobile, even automobile normal operation period all need to brakes particularly the key position such as brake drum, brake block make regular check on maintenance, moreover brake drum is often need to carry out the dismounting operation to brake drum in the vehicle maintenance service work as a rapid wear consumable part of brakes.To be objective, the operation that will dismantle brake drum in existing automobile maintenance industry is but the bothersome arduous work that extremely bothers, takes a lot of work, this is the severe operational environment due to the dismounting brake drum, particularly for heavy truck, its the large heaviness of brake drum body and corrosion distortion are serious, the brake drum very difficult work especially that dismantle heavy truck.The operator climbs repeatedly knock with weight under car and want two people to cooperate to lift and embrace and it could be disassembled, even experienced operator also will the even daylong time just can complete most of the day.It is reported, the workman beats in hammering and careless slightlyly in unloading process also can damage the assembly precision of hub spindle and drum sub-assembly of parking brake and affect braking ability, also easily injure the security incident of trick by a crashing object, and beaing through above-mentioned hammering repeatedly the brake drum that disassembles mostly has been knocked deformation damage and has almost scrapped, the parts that can only more renew, this has not only increased the expense of repairing, and is also the significant wastage to physical resources.can say, this has been that existing automobile maintenance industry is urgently wished a hard nut to crack of solution for a long time, through retrieving: CN201979264U once proposed the utility model technology of a kind of " automobile brake drum changer ", it is to adopt the parallelogram linkage supporting that the lift work platform of supporting base is installed, be equipped with again branch sleeve on supporting base, by the dismounting screw rod of dismounting handwheel drive with by the screw rod that hooks that hooks the handwheel drive, hooking the equipped nut that hooks that is connected with pole on screw rod, again by pole, the side arm of supporting base is hinged can clamp brake drum in dismounting shank composition lever clamp mechanism, when carrying out field-strip: the manual operation parallelogram linkage is adjusted the lift work platform, manual operation hooks handwheel adjustment (adjusting) lever clamp mechanism, then manual operation dismounting hand wheel rotating dismounting screw rod and moment is converted to spiral lift comes top hub axle to carry out disassembling section.It is compared with existing traditional " hammering is beaten " operating type, can alleviate to a certain extent workman's labour intensity.But, need not to dare not or would not speak up, still also there are some technical pattern defectives in actual use in it: the integral mechanical structure that is at first it is comparatively complicated, and this will directly cause manufacturing cost to increase, and the assembly and adjustment operation also comparatively bothers.The 2nd, is in carrying out the overall process of field-strip to brake drum, all to adopt the manpower manual mode of operation to carry out operation, generally need two to three people to coordinate just and can complete field-strip, still there is the field-strip inefficiency in it and the time-consuming familiar lacunas of requiring great effort.The 3rd. it is limited after all that this dependence manual operation hand wheel rotating screw rod is converted to the formed effective pressure on top surface of spiral lift with moment, sometimes also can occur because of the too small phenomenon that can not carry out field-strip of pressure on top surface, it still has certain limitation in actual use.This is also the place that existing only " automobile brake drum changer " also needs to continue Improvement and perfection, and the utility model wants to continue to solve this technical task just.
The utility model content
The purpose of this utility model is intended to overcome prior art above shortcomings part, and proposes a kind of " electromechanics-hydraulic pressure " integration full fresh structure and utilize hydraulic coupling to carry out the isolated plant of quick-detachment automobile brake drum.
The purpose of this utility model is achieved by the following technical solution:
the isolated plant of the quick-detachment automobile brake drum that the utility model proposes, it comprises frame, be fitted to embracing of frame and rouse upper curved plate, embrace the drum side arm, lifting regulating mechanism and hydraulic withdrawal mechanism, said lifting regulating mechanism is by driving gear set and be fixedly connected on the lifting screw of embracing drum upper curved plate top and consist of, it is characterized in that: be fitted with the dismounting drag hook at the front end of embracing the drum side arm by bearing pin, being fixedly connected on the slide block of embracing the drum side arm is disposed in the chute of embracing the drum upper curved plate, be fitted with adjusting screw(rod) in the both sides of embracing the drum upper curved plate, adjusting screw(rod) is connected in by thread fiting mode and embraces drum side arm formation screw rod regulating mechanism, said hydraulic withdrawal mechanism is by motor, hydraulic pump, reversal valve and hydraulic cylinder form.It is as follows automobile brake drum to be carried out dismounting operation: at first with jack will be to be repaired automobile one end jacking, support reposefully and make the tire built on stilts with wooden unit, dismantle and take off tire after the nut of one group of fastening tire, can make the brake drum that is tight with at hub spindle out exposed.The isolated plant of the quick-detachment automobile brake drum that the utility model proposes is passed to hub spindle axle head position, the operation lifting regulating mechanism makes an armful drum upper curved plate be adjacent to the brake drum upside, rotating adjusting screw(rod) makes and embraces a drum side arm and tightly encircle brake drum both sides, whole brake drum can be bound round firmly and embrace, then the dismounting drag hook that will embrace bulging side arm front end hooks the interior bottom face of brake drum reposefully.The plug starter motor that can plug in after errorless on inspection drives hydraulic pump works, pull again the switch operation handle and hydraulic mandril is slowly stretched out and withstand the axle head end face of hub spindle to the back cavity fuel feeding of hydraulic cylinder by reversal valve, press active force along with slowly stretching out of hydraulic mandril applies a top that increases gradually with the axle head end face to hub spindle.Meanwhile, according to " active force and reaction force principle ", frame also will be subject to the deboost of " equal and opposite in direction, direction are in opposite directions " simultaneously, frame will gently outwards move under the effect of this deboost, along with slowly outer the moving of frame applies an outside pulling force that increases gradually with driving the dismounting drag hook of the embracing drum side arm front end interior bottom face to brake drum.The brake drum that this external broach that increases gradually is enough to make the dismounting drag hook will be tight with at reposefully on hub spindle little by little draws pine, so pull brake drum along hub spindle axle head direction slowly slippage and gradually outside move and withdraw from reposefully hub spindle.So far, can realize fast dismantling the purpose of brake drum.
In order to realize better the purpose of this utility model, say that further it also has following technical characterictic:
Be fitted with wheel on the underframe of frame.Be convenient to especially dismantle the operation of brake drum, also be convenient to simultaneously transport operation between different disassembling sections places.
Said hydraulic cylinder is to be fitted on the roof beam structure of underframe by pin.This structural design can make hydraulic cylinder push up at the dismounting brake drum to have high supporting balance quality in pressing operation process.And at the different field-strip point of needs transhipments or when parking, can promote easily hydraulic cylinder and be placed on roof beam structure reposefully around pin rotation 90 ° of positions and playback after hydraulic mandril retraction hydraulic cylinder.
Be provided with in the inboard of embracing the drum side arm with brake drum suitable encircle palm plate, friction rubber cushion layer is housed encircling palm plate liner.This structural design can effectively strengthen embracing of both sides and rouse side arm to the enclasping force of brake drum, friction rubber cushion layer also can effectively strengthen the stiction of encircling to brake drum surface, it is to preventing that the unexpected landing phenomenon of brake drum occurs when the field-strip certain effect, can greatly improve the security performance of brake drum being carried out the detachable maintaining operation.
Said slide block be fixedly connected on embrace the drum side arm encircle palm plate.This structural design is convenient to be fixedly connected with the fitting operation of slide block especially, when rotation is held adjusting handle tightly and is adjusted embracing a drum side arm hoop and embracing the spacing of brake drum of both sides, make slide block can only be in the chute of embracing the drum upper curved plate left and right slippage and stop and embrace a drum side arm and rotate, can regulate easily the spacing of embracing the drum side arm of both sides and can firmly hold the brake drum that is disassembled tightly, can effectively strengthen the stationary performance of dismounting brake drum operation.
The utility model is compared with prior art and is had following substantive distinguishing features and progress:
the utility model has been initiated a kind of brand new device that utilizes " dynamo-electric hydraulic pressure is integrated " of hydraulic coupling quick-detachment automobile brake drum, it is to utilize mechanical transmission mechanism to regulate to embrace the drum upper curved plate, embracing the drum side arm can firmly bind round and embrace brake drum to be removed, the hydraulic coupling of recycling hydraulic withdrawal mechanism applies a powerful top to the hub spindle end face and presses active force, can make frame the deboost effect lower outside move and drive the dismounting drag hook to brake drum in bottom face form a powerful external broach, can be reposefully with brake drum La Song and its slippage is moved outward withdraw from hub spindle gradually.The utlity model has novel simple in structure, produce easy low cost of manufacture, dismounting operation light and fast, the high outstanding advantages of the laborsaving efficient that saves time, can greatly shorten the time of repairing and reduce the expense that repairs, splendid popularizing application prospect is arranged in automobile maintenance industry.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A view of Fig. 1, the operation principle structural representation that dismounting drag hook that show to embrace the drum side arm hooks bottom face in brake drum and carries out field-strip by hydraulic withdrawal mechanism.
Fig. 3 is the side view of Fig. 1, shows by lifting regulating mechanism, screw rod regulating mechanism and regulates respectively an armful drum upper curved plate, embraces the structural representation that drum side arm hoop is embraced brake drum.
Fig. 4 is the B-B view of Fig. 3, shows that being connected in the slide block of embracing the drum side arm is disposed at the structural representation of embracing in the chute that rouses upper curved plate.
Fig. 5 is the fundamental diagram of hydraulic withdrawal of the present utility model mechanism.
Description of symbols in accompanying drawing:
1 is the lift adjustment handwheel, 2 is driving gear set, 3 is lifting screw, 4 for embracing the drum upper curved plate, 5 is frame, 6 for embracing the drum side arm, 7 is bearing pin, 8 are the dismounting drag hook, 9 for holding adjusting handle tightly, 10 is underframe, 11 is wheel, 12 is hydraulic fluid tank, 13 is the switch operation handle, 14 is hydraulic tube, 15 is hydraulic mandril, 16 is roof beam structure, 17 is pin, 18 is hydraulic cylinder, 19 is hub spindle, 20 is brake drum, 21 is attaching plug, 22 is adjusting screw(rod), 23 is chute, 24 is slide block, 25 are friction rubber cushion layer, 26 for encircling palm plate, 27 is reversal valve, 28 is motor, 29 is hydraulic pump.
The specific embodiment
Further describe embodiment of the present utility model below in conjunction with accompanying drawing:
a kind of isolated plant of quick-detachment automobile brake drum, it is mainly by frame 5, be fitted to embracing of frame 5 and rouse upper curved plate 4, adjusting screw(rod) 22, embrace drum side arm 6, lifting regulating mechanism and hydraulic withdrawal mechanism consist of, said adjusting screw(rod) 22 is fitted to the two side ends position of embracing drum upper curved plate 4, hold adjusting handle 9 tightly in the fixed installation of the outer end of adjusting screw(rod) 22, the other end of adjusting screw(rod) 22 is fitted to by thread connecting mode and embraces drum side arm 6 formation screw rod regulating mechanisms, be fitted with dismounting drag hook 8 at the front end of embracing drum side arm 6 by bearing pin 7, also be provided with in the inboard of embracing drum side arm 6 with suitable the encircling of brake drum 20 and slap plate 26, friction rubber cushion layer 25 is housed encircling palm plate 26 liners, be fixedly connected with slide block 24 and the slippery fellow of slide block 24 is disposed in the chute 23 of embracing drum upper curved plate 4 on encircling palm plate 26, be fitted with hydraulic fluid tank 12 on the underframe 10 of frame 5, wheel 11, said lifting regulating mechanism is to consist of by being fixedly connected on the lifting screw 3 of embracing drum upper curved plate 4 tops and the driving gear set 2 that matches, said hydraulic withdrawal mechanism is by motor 28, hydraulic pump 29, reversal valve 27, hydraulic cylinder 18 and hydraulic tube 14 consist of, hydraulic cylinder 18 is to be fitted on the roof beam structure 16 of underframe 10 by pin 17, motor 28, hydraulic pump 29 and reversal valve 27 are fitted in hydraulic fluid tank 12.The isolated plant of a kind of quick-detachment automobile brake drum that the technical scheme that employing the utility model proposes is manufactured is to carry out in the following manner work:
The first step. get up with the end jacking that jack will automobile be repaired, steadily support and make a tire built on stilts with wooden unit, then the nut of the one group of fastening tire of dismantling and take off tire, can expose brake drum 20 operation to be removed that is tight with at hub spindle 19.
Second step. the isolated plant of the quick-detachment automobile brake drum that the utility model proposes is passed axle head removed position place to hub spindle 19, rotate lift adjustment handwheel 1 and embrace a drum upper curved plate 4 by the driving gear set 2, lifting screw 3 adjustings that match, make the cancave cambered surface of embracing drum upper curved plate subsides 4 be close to brake drum 20 upsides; Rotation is held adjusting handle 9 tightly and is adjusted the spacing of embracing drum side arm 6 of both sides by adjusting screw(rod) 22, makes to embrace a drum side arm 6 and can surround tightly brake drum 20 both sides, whole brake drum 20 can be bound round firmly and embrace; Rotating the dismounting drag hook 8 of embracing drum side arm 6 front ends makes it hook reposefully the interior bottom face of brake drum 20 again.
The 3rd step. after checking that conscientiously confirmation is errorless, the plug 21 that plugs in gets final product starter motor 28 and drives hydraulic pump 29 work, pull switch operation handle 13 by the back cavity fuel feeding of reversal valve 27 to hydraulic cylinder 18, the hydraulic mandril 15 that pressure oil liquid will promote hydraulic cylinder 18 slowly stretches out and withstands the axle head end face of hub spindle 19, when the back cavity fuel feeding that continues to hydraulic cylinder 18, it is slowly overhanging that pressure oil liquid will continue to promote hydraulic mandril 15, can be applied constantly by the axle head end face of 15 pairs of hub spindles 19 of hydraulic mandril a top that increases gradually and press active force.Meanwhile, frame 5 also will be subject to a deboost and slowly outside under the effect of this deboost simultaneously, along with the slowly outer interior bottom face that will drive 8 pairs of brake drums 20 of dismounting drag hook of embracing drum side arm 6 front ends that moves of frame 5 applies an outside pulling force that increases gradually constantly, can brake drum 20 little by little be drawn loose slippage from hub spindle 19 by dismounting drag hook 8, and continue to pull brake drum 20 to move until withdraw from from hub spindle 19 outside slowly reposefully to hub spindle 19 axle heads.So far, can realize that light and fast ground is from the purpose of hub spindle 19 dismounting brake drums 20.
The 4th step. when needing to park after the disassembling section that finishes brake drum 20, when perhaps needing to be transported to again another field-strip point and working on, only need oppositely pull switch operation handle 13 commutates reversal valve 27, can make to the ante-chamber fuel feeding of hydraulic cylinder 18 in hydraulic mandril 15 retraction hydraulic cylinders 18, at this moment can promote hydraulic cylinder 18 and rotate 90 ° of positions around pin 17, hydraulic cylinder 18 is playbacked above steadily being placed in roof beam structure 16, be convenient to especially transport or park the operation of equipment.
The utility model is tried out through the long term and is shown: in real work, only need a people just can complete easily all operations were of above-mentioned dismounting automobile brake drum, and the activity duration of dismantling a brake drum generally only needs about 20 to 30 minutes, and the brake drum that is removed remains intact state substantially, and to there is no the people be that the secondary of wounding damages phenomenon, in general, after repairing, mostly can also continue simple-to-maintain to use.It has really that dismounting is convenient to operation, the laborsaving efficient that saves time is high, the resource that uses manpower and material resources sparingly, reduce repair expense and the strong outstanding advantages of economic and practical, has splendid popularizing application prospect in automobile maintenance industry.
Claims (5)
1. the isolated plant of a quick-detachment automobile brake drum, it comprises frame (5), be fitted to embracing of frame (5) and rouse upper curved plate (4), embrace drum side arm (6), lifting regulating mechanism and hydraulic withdrawal mechanism, said lifting regulating mechanism is by driving gear set (2) and be fixedly connected on armful lifting screw (a 3) formation of rousing upper curved plate (4) top, it is characterized in that: be fitted with dismounting drag hook (8) at the front end of embracing drum side arm (6) by bearing pin (7), being fixedly connected on the slide block (24) of embracing drum side arm (6) is disposed in the chute (23) of embracing drum upper curved plate (4), be fitted with adjusting screw(rod) (22) in the both sides of embracing drum upper curved plate (4), adjusting screw(rod) (22) is connected in by thread fiting mode and embraces drum side arm (6) formation screw rod regulating mechanism, said hydraulic withdrawal mechanism is by motor (28), hydraulic pump (29), reversal valve (27) and hydraulic cylinder (18) form.
2. the isolated plant of quick-detachment automobile brake drum according to claim 1, is characterized in that: be fitted with wheel (11) on the underframe (10) of frame (5).
3. the isolated plant of quick-detachment automobile brake drum according to claim 1 and 2, it is characterized in that: said hydraulic cylinder (18) is to be fitted on the roof beam structure (16) of underframe (10) by pin (17).
4. the isolated plant of quick-detachment automobile brake drum according to claim 1 and 2, it is characterized in that: be provided with in the inboard of embracing drum side arm (6) with brake drum (20) suitable encircle palm plate (26), friction rubber cushion layer (25) is housed encircling palm plate (26) liner.
5. the isolated plant of quick-detachment automobile brake drum according to claim 1 and 2 is characterized in that: said slide block (24) be fixedly connected on embrace drum side arm (6) encircle palm plate (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220678344 CN202963953U (en) | 2012-12-11 | 2012-12-11 | Device special for quick disassembly of drum brake of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220678344 CN202963953U (en) | 2012-12-11 | 2012-12-11 | Device special for quick disassembly of drum brake of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202963953U true CN202963953U (en) | 2013-06-05 |
Family
ID=48505083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220678344 Expired - Fee Related CN202963953U (en) | 2012-12-11 | 2012-12-11 | Device special for quick disassembly of drum brake of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202963953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009046A (en) * | 2012-12-11 | 2013-04-03 | 乐山市新欣机械制造有限公司 | Special device for quickly disassembling automobile braking drum |
| CN109822318A (en) * | 2019-04-01 | 2019-05-31 | 山东交通职业学院 | A kind of link type brake drum disassembly clamping device |
-
2012
- 2012-12-11 CN CN 201220678344 patent/CN202963953U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009046A (en) * | 2012-12-11 | 2013-04-03 | 乐山市新欣机械制造有限公司 | Special device for quickly disassembling automobile braking drum |
| CN109822318A (en) * | 2019-04-01 | 2019-05-31 | 山东交通职业学院 | A kind of link type brake drum disassembly clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131211 |