CN109822318A - A kind of link type brake drum disassembly clamping device - Google Patents
A kind of link type brake drum disassembly clamping device Download PDFInfo
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- CN109822318A CN109822318A CN201910256355.XA CN201910256355A CN109822318A CN 109822318 A CN109822318 A CN 109822318A CN 201910256355 A CN201910256355 A CN 201910256355A CN 109822318 A CN109822318 A CN 109822318A
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- 238000013507 mapping Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
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Abstract
The invention discloses a kind of link type brake drums to dismantle clamping device, including bracket, lifting body, lifting body is rack-mount by jacking shaft, limitation lifting body rising is equipped in lifting body only rises switching mechanism, lifting body upper end is equipped with clamping device, only rising switching mechanism includes touching bar, only rise arm, it touches bar and only liter arm is hinged by connecting rod, it only rises arm rotation and is located at jacking set inner wall, positioning sleeve is equipped with the only liter tooth for cooperating that only liter arm locking jacking set slides, positioning sleeve and jacking set are slidably matched, place the device in brake drum lower part to be torn open, internal hydraulic pressure cylinder driving jacking set rises, it touches after brake drum touching bar downlink and only to rise arm to rotate and cooperate by connecting rod by touching bar and only rise tooth, only rising switching mechanism makes jacking set stop rising through mechanical structure control lifting position, it is entire to stop The process of liter does not use automatically controlled.
Description
Technical field
The present invention relates to vehicle maintenances to dismount technical field, and specifically a kind of link type brake drum dismantles clamping device.
Background technique
The braking system maintenance of oversize vehicle is sometimes for disassembly brake drum, but brake drum weight is larger, needs certain
Chucking device, prevent from falling cause unnecessary damage suddenly when disassembly；Likewise, in brake drum dismounting teaching experiment
Student is needed to remove brake drum, then teacher carries out explanation teaching for inside brake drum structure, and safety of student poor consciousness is most
Amount avoids the appearance of power supply line.Both the above situation has very big risk, and does not need the dismounting of batch, required
It is a kind of easy to operate, do not need the chucking device of extra power input, it is only necessary to which brake drum is steady during guaranteeing mutual disassembly
It is fixed.Some small-sized equipment are also needed to dismount the training of mapping for student simultaneously, used should be mechanical mechanism
And structure cannot be excessively complicated.It is provided by 201820200340 .2 of patent searching for various sizes of brake drum,
Special electronic and simple hydraulic system is also needed simultaneously.Patent 201520796520.8 provides a kind of automobile brake drum and tears open
Handler, while for clamping and disassembly, but is also required to electronic and simple hydraulic system, and the system retrieved it is improper and
Dismount the training of mapping.
Summary of the invention
The present invention is exactly to provide a kind of brake drum disassembly clamping device to solve deficiencies of the prior art,
Positioning sleeve and jacking set are slidably matched, and place the device in brake drum lower part to be torn open, and internal hydraulic pressure cylinder driving jacking set rises, leads to
It crosses touching bar and touches after brake drum touching bar downlink and only to rise arm by connecting rod to rotate and cooperate and only rise tooth, only rise interpreter
Structure makes jacking set stop rising, and using touching bar and link mechanism, only rises arm by connecting rod driving, passes through mechanical structure control
Lifting position processed, entire only liter process do not use automatically controlled.
The technical scheme adopted by the invention to solve the technical problem is that:
A kind of link type brake drum disassembly clamping device, including bracket, lifting body, lifting body are mounted on by jacking shaft
Limitation lifting body rising is equipped on bracket, in lifting body only rises switching mechanism, and lifting body upper end is equipped with clamping machine
Structure；
Lifting body includes positioning sleeve, the jacking set slided on positioning sleeve, is equipped with hydraulic cylinder in positioning sleeve；The hydraulic cylinder
For pedal hydraulic cylinder.Only rise switching mechanism include touching bar, only rise arm, touching bar and only rise arm by connecting rod it is hinged, only rise
Arm rotation, which is located at, jacks set inner wall, and positioning sleeve is equipped with the only liter tooth for cooperating that only liter arm locking jacking set slides, and touching bar passes through
Touching bar spring vertical sliding is located on the top plate at jacking set top；
Positioning sleeve and jacking set are slidably matched, and place the device in brake drum lower part to be torn open, and the driving jacking of internal hydraulic pressure cylinder is put on
It rises, touches after brake drum touching bar downlink and only to rise arm to rotate and cooperate by connecting rod by touching bar and only rise tooth, only rise
Switching mechanism makes jacking set stop rising, and using touching bar and link mechanism, only rises arm by connecting rod driving, passes through machinery
Structure control lifting position, entire only liter process do not use automatically controlled.
The top land of hydraulic cylinder is equipped with top arm bracket, and top arm bracket is equipped with cam-type top arm, the support of cam-type top arm
Cooperate top plate, touching bar and cam-type top arm cooperate；The cam-type top arm includes cam arm, and cam arm lower end passes through cam
Arm shaft is rotatably installed on top arm bracket, and cam arm upper end is the plane for cooperating roof supporting, and plane side is flat with plane
Slip over the cam surface crossed；
Cam arm is equipped with top arm control-rod, and touching bar lower end is fixed with pressing member, and pressing member cooperates top arm control-rod, cam arm
It is connected on top arm bracket by tensioning spring；Tensioning spring and top arm control-rod are separately mounted to cam arm two sides, are tensioned bullet
Spring and cam surface are in cam arm the same side.
When touching bar touches brake drum, bar downlink is touched, the pressing member of touching bar lower end pushes down on top arm control
Bar, top arm control-rod drive cam arm to rotate around cam arm shaft, so that the plane conversion of cam arm upper end is cam surface, due to
Jacking set is only risen switching mechanism and is lockked, and the piston of hydraulic cylinder continues to rise, cam surface drive cam arm around cam arm shaft after
Continuous rotation, continues to rise there have been the piston of hydraulic cylinder in this way and jacking set is motionless, guarantees subsequent clamping device movement, and
Due to the presence of tensioning spring, in the piston downlink of hydraulic cylinder, tensioning spring, which hauls cam arm and holds up, to be continued to make on cam arm
Transverse plane is matched and top plate, while touching the pressing member cooperation top arm control-rod of bar lower end, can also play to the stroke of tensioning spring
Restriction effect, clever structure is easy to disassemble, does not use electric-control system.
Clamping device includes the top land rack gear for being fixed on hydraulic cylinder, and the gear being mounted on top plate is fixedly connected with tooth
The clamping limb of wheel, rack-and-pinion cooperation, the clamping limb cooperation clamping brake drum.
The top panel turns are equipped with symmetrical two gears, are coaxially fixed with clamping limb fixing axle on two gears,
The clamping limb mutually clamped is fixed in clamping limb fixing axle, and the top land of hydraulic cylinder is equipped with clamping driving plate, clamping driving
The rack gear with the cooperation of two gears is symmetrically fixed on plate.Symmetrical two gears are equipped with two groups, same on each gear
Axis is fixed with clamping limb fixing axle, and corresponding clamping limb is respectively provided in corresponding clamping limb fixing axle.
Clamping limb is driven to act using gear and rack teeth mechanism, the clamping driving plate band carry-over bar of the top land of hydraulic cylinder
Uplink, rack drives gear rotate gear drive the rotation of clamping limb fixing axle, and clamping limb clamps brake drum with rotation, symmetrically
Two gears can also be coaxial but be turned on the contrary, can design liquid by design gear diameter using gear-rack drive
Pressure cylinder piston stroke, and due to hydraulic cylinder self locking function, clamping limb is locked after holding brake drum tightly, with reference to the accompanying drawings shown in 1, this
Invention ensure that the symmetry of clamping stress using two groups of clamping limbs.
The bracket is equipped with installation support plate, and the jacking shaft is installed on the supporting plate, the positioning sleeve
It is rotatably installed on bracket by jacking shaft, the bracket is equipped with axis perpendicular to the inclination lead screw of jacking shaft, inclines
Oblique lead screw is equipped with the sloping slide of cooperation, and sloping slide is hinged on positioning sleeve by tilt linkage.
Lifting body tilts lead screw and passes through inclination with only liter switching mechanism, clamping device around jacking shaft rotation
Sliding block, tilt linkage control lifting body tilt angle, and inclination lead screw end is equipped with the handwheel of rotation, slightly tilting can
The teacher of teaching is showed with tilt upward inside brake drum space, so that saying that solution preocess becomes convenient.
Only liter arm slot is provided on the jacking set two sides inner wall, the arm that only rises is located at only by only rising arm axle rotation
It rises in arm slot, only rises the only liter hook that arm lower end only rises tooth equipped with cooperation；It only rises arm upper end and connecting rod is rotatablely connected by pitman shaft, even
The bar other end is rotatably connected on touching bar bottom by lower last item.It is symmetrical about touching bar for only rising arm slot, only rising arm, connecting rod
Structure.The only liter hook that arm lower end only rises tooth equipped with cooperation is only risen, only rising tooth is tooth diagonally downward, ratchet is similar to, so that only
Rising hook can deviate to rise tooth only with slide downward, can only tightly catch on only rise tooth upwards, cannot come off.
Only rise arm and do Small-angle Rotation only rising in arm slot, touching bar only rises arm by connecting rod driving so that touch bar to
The power that lower driving only rises arm is smaller, and only liter acts sensitiveer, and touches bar and drive two only liter arms simultaneously, so that only rising dynamic
Make symmetrical.
The top plate supporting structure of the top arm bracket and cam-type top arm composition has two groups, is respectively provided at touching bar and stops
Rise arm composition only rises switching mechanism two sides, and lower last item is fixed on touching bar bottom, and lower last item both ends are respectively and fixedly provided with cooperation top arm
Control-rod pressing member.
Two top arm brackets as shown in Fig. 5 are vertical plate, are connecting rod activity space on the inside of two top arm brackets, will not
It interferes, simultaneously because two groups symmetrical, touching bar will not be tilted stuck when pressing member acts.
When brake drum needs to remove in device after the assembly is completed, clamping limb is opened to two sides manually, is being opened
In the process, the oil return valve of pedal hydraulic cylinder is opened, clamping limb passes through gear-rack drive hydraulic cylinder piston downlink a distance,
Clamping limb opens certain angle, then proceedes to push clamping limb, and jacking set, which glides, at this time drives the hook that only rises only risen on arm to start
Abjection only rises tooth, while driving and only rising arm rotation, touching bar uplink under touching bar spring effect, push the pressing member of shaft end with
Uplink.
Jacking set continues traveling downwardly, and extreme position is then risen under the touching bar spring driving on touching bar, two only
The only liter hook for rising arm lower end only rises tooth and disengages.The plane of cam arm cam arm upper end under the action of tensioning spring cooperates top simultaneously
Portion under the top plate.
The beneficial effects of the present invention are:
1, positioning sleeve and jacking set are slidably matched, and place the device in brake drum lower part to be torn open, internal hydraulic pressure cylinder driving jacking set
Rise, touch after brake drum touching bar downlink and only to rise arm to rotate and cooperate by connecting rod by touching bar and only rise tooth, only
Rising switching mechanism makes jacking set stop rising, and using touching bar and link mechanism, only rises arm by connecting rod driving, passes through machine
Tool structure control lifting position, entire only liter process do not use automatically controlled.
2, when touching bar touches brake drum, bar downlink is touched, the pressing member of touching bar lower end pushes down on top arm control
Bar processed, top arm control-rod drive cam arm to rotate around cam arm shaft, so that the plane conversion of cam arm upper end is cam surface, by
It is only risen switching mechanism in jacking set to lock, the piston of hydraulic cylinder continues to rise, and cam surface drives cam arm around cam arm shaft
It continues to rotate, continues to rise there have been the piston of hydraulic cylinder in this way and to jack set motionless, guarantee the movement of subsequent clamping device, and
And due to the presence of tensioning spring, in the piston downlink of hydraulic cylinder, tensioning spring, which hauls cam arm and holds up, to be continued to make cam arm
Upper transverse plane is matched and top plate, while touching the pressing member cooperation top arm control-rod of bar lower end, can also rise to the stroke of tensioning spring
To restriction effect, clever structure is easy to disassemble, does not use electric-control system.
3, clamping limb is driven to act using gear and rack teeth mechanism, the clamping driving plate band movable tooth of the top land of hydraulic cylinder
Uplink, rack drives gear rotate gear drive the rotation of clamping limb fixing axle, and clamping limb clamps brake drum with rotation, symmetrically
Two gears can also be coaxial but turn on the contrary, can be designed by design gear diameter using gear-rack drive
Hydraulic cylinder piston stroke, and due to hydraulic cylinder self locking function, clamping limb is locked after holding brake drum tightly, with reference to the accompanying drawings shown in 1,
The present invention ensure that the symmetry of clamping stress using two groups of clamping limbs.
4, lifting body tilts lead screw by inclining around jacking shaft rotation with only liter switching mechanism, clamping device
Angled-lift splits, tilt linkage control lifting body tilt angle, and inclination lead screw end is equipped with the handwheel of rotation, slightly tilt just
What inside brake drum space can be tilted upward shows the teacher of teaching, so that saying that solution preocess becomes convenient.
5, it only rises arm and does Small-angle Rotation in only liter arm slot, touching bar only rises arm by connecting rod driving, so that touching bar
The power that driving downwards only rises arm is smaller, and only liter acts sensitiveer, and touches bar and drive two only liter arms simultaneously, so that only rising
Movement is symmetrical.
6, two top arm brackets as shown in Fig. 5 are vertical plate, are connecting rod activity space on the inside of two top arm brackets, no
It can interfere, simultaneously because two groups symmetrical, touching bar will not be tilted stuck when pressing member acts.
Detailed description of the invention
Fig. 1 is that the present invention removes three mechanism assembled portion views after bracket；
Fig. 2 is bracket of the present invention and part lifting body assembled view；
Fig. 3 is that the present invention saves the lifting body of jacking set surface and only rises switching mechanism installation diagram view；
Fig. 4 is that the cam-type top arm of lifting body of the present invention installs partial view;
Fig. 5 is that the present invention only rises switching mechanism and cam-type top arm relative mounting positions partial view；
Fig. 6 is that the present invention only rises switching mechanism view；
Fig. 7 is that clamping device of the present invention and its rack-and-pinion cooperate view；
Fig. 8 is brake hub view of the present invention.
In figure: 1- bracket, 2- lifting body, 3- only liter switching mechanism, 4- clamping device, 5- brake hub, 11- support plate,
12- jacking shaft, 13- inclination lead screw, 14- sloping slide, 15- tilt linkage, 16- tilted block, 21- positioning sleeve, 22- are hydraulic
Cylinder, 23- jacking set, 24- only rise arm slot, and 25- only rises tooth, 26- top arm bracket, 27- cam-type top arm, 28- pressing member, the top 29-
Plate, 31- touch bar, and last item under 32-, 33- connecting rod, only liter arm, 35- only rise hook, 36- pitman shaft to 34-, and 37- only rises arm axle, 38-
Touching bar spring, 41- clamping driving plate, 42- rack gear, 43- gear, 44- clamping limb fixing axle, 45- clamping limb,
271- top arm control-rod, 272- cam arm shaft, 273- cam arm, 274- cam surface.
Specific embodiment
In order to clearly illustrate the technical characterstic of this programme, below by specific embodiment, and its attached drawing is combined, to this
Invention is described in detail.Following disclosure provides many different embodiments or example is used to realize different knots of the invention
Structure.In order to simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.In addition, the present invention can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relationship between various embodiments and/or setting is discussed.It should be noted that illustrated component is not necessarily to scale in the accompanying drawings
It draws.Present invention omits the descriptions to known assemblies and treatment technology and process to avoid the present invention is unnecessarily limiting.Art
The orientation or positional relationship of the instructions such as language "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
A kind of link type brake drum disassembly clamping device, including bracket 1, lifting body 2, lifting body 2 are turned by jacking
Axis 12 is mounted on bracket 1, and stopping for the limitation rising of lifting body 2 is equipped in lifting body 2 and rises switching mechanism 3, on lifting body 2
End is equipped with clamping device 4；
The jacking set 23 that lifting body 2 includes positioning sleeve 21, slides on positioning sleeve 21, positioning sleeve 21 is interior to be equipped with hydraulic cylinder 22；
The hydraulic cylinder 22 is pedal hydraulic cylinder.Only liter switching mechanism 3 includes touching bar 31, only rising arm 34, touches bar 31 and stops
It is hinged by connecting rod 33 to rise arm 34, only rises the rotation of arm 34 and is located at jacking 23 inner walls of set, positioning sleeve 21 is equipped with cooperation and only rises arm 34
23 sliding of locking jacking set only rises tooth 25, and touching bar 31 is located at 23 top of jacking set by touching 38 vertical sliding of bar spring
On top plate 29；
Positioning sleeve 21 and jacking set 23 are slidably matched, and place the device in 5 lower part of brake drum to be torn open, the driving of internal hydraulic pressure cylinder 22 top
It rises and covers 23 risings, touching 31 downlink of bar makes only to rise the rotation of arm 34 by connecting rod 33 after touching brake drum 5 by touching bar 31
And cooperate and only rise tooth 25, it only rises switching mechanism 3 and jacking set 23 is made to stop rising, using touching bar 31 and 33 structure of connecting rod,
Stopped by the driving of connecting rod 33 and rise arm 34, lifting position is controlled by mechanical structure, entire only liter process does not use automatically controlled.
The top land of hydraulic cylinder 22 is equipped with top arm bracket 26, and top arm bracket 26 is equipped with cam-type top arm 27, cam-type
The support cooperation top plate 29 of top arm 27, touching bar 31 and cam-type top arm 27 cooperate；The cam-type top arm 27 includes cam arm
273,273 lower end of cam arm is rotatably installed on top arm bracket 26 by cam arm shaft 272, and 273 upper end of cam arm is cooperation
The plane of roof supporting 29, plane side are the cam surface 274 with plane smooth transition；
Cam arm 273 is equipped with top arm control-rod 271, and touching 31 lower end of bar is fixed with pressing member 28, and pressing member 28 cooperates top arm
Control-rod 271, cam arm 273 are connected on top arm bracket 26 by tensioning spring；Tensioning spring and top arm control-rod 271 are distinguished
273 two sides of cam arm, tensioning spring and cam surface 274 are mounted in 273 the same side of cam arm.
When touching bar 31 touches brake drum 5,31 downlink of bar is touched, the pressing member 28 of touching 31 lower end of bar pushes down on
Top arm control-rod 271, top arm control-rod 271 drives cam arm 273 to rotate around cam arm shaft 272, so that 273 upper end of cam arm
Plane conversion be cam surface 274, due to jacking set 23 by only rise switching mechanism 3 lock, the piston of hydraulic cylinder 22 continues to rise,
Cam surface 274 drives cam arm 273 to continue to rotate around cam arm shaft 272, and there have been the continuation of the piston of hydraulic cylinder 22 in this way
Rise and to jack set 23 motionless, guarantees subsequent clamping device movement, and due to the presence of tensioning spring, in the work of hydraulic cylinder 22
When filling in downlink, tensioning spring, which hauls cam arm 273 and holds up, continues to make on cam arm 273 transverse plane to match and top plate 29, touches simultaneously
The pressing member 28 of 31 lower end of bar cooperates top arm control-rod 271, can also play restriction effect, clever structure to the stroke of tensioning spring
It is easy to disassemble, do not use electric-control system.
Top land rack gear 42 of the clamping device 4 including being fixed on hydraulic cylinder 22, the gear 43 being mounted on top plate 29, Gu
Determine the clamping limb 45 of connection gear 43, the cooperation of 43 rack gear 42 of gear, the cooperation clamping brake drum 5 of clamping limb 45.
The top plate 29 is rotatably equipped with symmetrical two gears 43, and it is solid that clamping limb is coaxially fixed on two gears 43
Dead axle 44, the clamping limb 45 mutually clamped are fixed in clamping limb fixing axle 44, and the top land of hydraulic cylinder 22 is equipped with clamping and drives
Movable plate 41 clamps the rack gear 42 being symmetrically fixed in driving plate 41 with the cooperation of two gears 43.Symmetrical two gears
43 are equipped with two groups, are coaxially fixed with clamping limb fixing axle 44 on each gear 43, corresponding clamping limb 45 is respectively provided at accordingly
In clamping limb fixing axle 44.
Clamping limb 45 is driven to act using 43 rack gear of gear, 42 mechanism, the clamping driving plate of the top land of hydraulic cylinder 22
41 band 42 uplinks of carry-over bar, rack gear 42 drive 43 rotate gear 43 of gear drive clamping limb fixing axle 44 rotate, clamping limb 45 with
Rotation clamping brake drum 5, symmetrical two gears 43 can also be coaxial but turn on the contrary, can using the driving of 43 rack gear 42 of gear
To design 22 piston stroke of hydraulic cylinder by 43 diameter of design gear, and due to 22 self-locking function of hydraulic cylinder, clamping
Arm 45 is locked after holding brake drum 5 tightly, and with reference to the accompanying drawings shown in 1, the present invention ensure that clamping stress using two groups of clamping limbs 45
Symmetry.
The bracket 1 is equipped with installation support plate 11, and the jacking shaft 12 is mounted in support plate 11, described
Positioning sleeve 21 is rotatably installed on bracket 1 by jacking shaft 12, and the bracket 1 is equipped with axis perpendicular to jacking shaft 12
Inclination lead screw 13, inclination lead screw 13 is equipped with the sloping slide 14 of cooperation, and sloping slide 14 is hinged on by tilt linkage 15
On positioning sleeve 21.
Lifting body 2 is rotated with only liter switching mechanism 3, clamping device 4 around jacking shaft 12, while it is logical to tilt lead screw 13
Sloping slide 14, tilt linkage 15 are crossed to control 2 tilt angle of lifting body, inclination 13 end of lead screw is equipped with the hand of rotation
Wheel, slightly tilt 5 inner space of brake drum can be tilted upward show the teacher of teaching so that saying that solution preocess becomes
It is convenient.
The jacking, which covers, is provided with only liter arm slot 24 on 23 two sides inner walls, described only rises arm 34 by only rising 37 turns of arm axle
Dynamic be located at only rises in arm slot 24, only rises the only liter hook 35 that 34 lower end of arm only rises tooth 25 equipped with cooperation；It only rises 34 upper end of arm and passes through company
Bar axis 36 is rotatablely connected connecting rod 33, and 33 other end of connecting rod is rotatably connected on touching 31 bottom of bar by lower last item 32.Only rise arm slot
24, arm 34 is only risen, connecting rod 33 is about touching 31 symmetrical structure of bar.It only rises 34 lower end of arm and is equipped with to cooperate and stop only rising for liter tooth 25
Hook 35, only rising tooth 25 is tooth diagonally downward, is similar to ratchet, so that only rising hook 35 can deviate to rise tooth 25 only with slide downward,
Only liter tooth 25 can only be tightly caught on upwards, cannot come off.
It only rises arm 34 and does Small-angle Rotation in only liter arm slot 24, touching bar 31 passes through the driving of connecting rod 33 only liter arm 34, makes
Bar 31, which must be touched, drives downwards the power for only rising arm 34 smaller, and only liter movement is sensitiveer, and touches bar 31 while driving two
Arm 34 is only risen, so that it is symmetrical only to rise movement.
The top plate supporting structure that the top arm bracket 26 and cam-type top arm 27 form has two groups, is respectively provided at touching bar
31 only liter 3 two sides of switching mechanism formed with only liter arm 34, lower last item 32 are fixed on touching 31 bottom of bar, and lower 32 both ends of last item are equal
It is fixed with cooperation 271 pressing member 28 of top arm control-rod.
Two top arm brackets 26 as shown in Fig. 5 are vertical plate, are that 33 activity of connecting rod is empty on the inside of two top arm brackets 26
Between, it will not interfere, simultaneously because two groups are symmetrical, touching bar 31 will not be tilted stuck when pressing member 28 acts.
When brake drum 5 needs to remove in device after the assembly is completed, clamping limb 45 is opened to two sides manually, is being beaten
In open procedure, the oil return valve of pedal hydraulic cylinder 22 is opened, clamping limb 45 passes through 43 rack gear of gear, 42 driving hydraulic cylinder, 22 piston
Downlink a distance, clamping limb 45 open certain angle, then proceed to push clamping limb 45, and jacking set 23 glides to driving and stop at this time
The hook 35 that only rises on liter arm 34 starts to deviate to stop liter tooth 25, while driving only liter arm 34 rotation, touches bar 31 in touching bar spring
38 act on lower uplinks, the pressing member 28 at lower 32 end of last item uplink therewith.
Jacking set 23 continues traveling downwardly, and then rises to extreme position in the case where the touching bar spring 38 on touching bar 31 drives,
Two only liter hooks 35 for only rising 34 lower end of arm only rise tooth 25 and disengage.Cam arm under the action of tensioning spring of cam arm 273 simultaneously
The plane cooperation of 273 upper ends withstands on 29 lower part of top plate.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (8)
1. a kind of link type brake drum dismantles clamping device, characterized in that including bracket, lifting body, lifting body passes through top
Liter shaft is rack-mount, and stopping for limitation lifting body rising is equipped in lifting body and rises switching mechanism, lifting body upper end
Clamping device is installed；
Lifting body includes positioning sleeve, the jacking set slided on positioning sleeve, is equipped with hydraulic cylinder in positioning sleeve；Only rise switching mechanism
Including touching bar, only rise arm, touching bar and only rise arm by connecting rod it is hinged, only rise arm rotation is located at jacking set inner wall, positioning sleeve
Equipped with cooperating only liter arm locking jacking to cover the only liter tooth slided, touching bar is located at by touching bar spring vertical sliding and jacks set
On the top plate at top；
The top land of hydraulic cylinder is equipped with top arm bracket, and top arm bracket is equipped with cam-type top arm, the support cooperation of cam-type top arm
Top plate, touching bar and cam-type top arm cooperate；
Clamping device includes the top land rack gear for being fixed on hydraulic cylinder, and the gear being mounted on top plate is fixedly connected with gear
Clamping limb, rack-and-pinion cooperation, the clamping limb cooperation clamping brake drum.
2. a kind of link type brake drum according to claim 1 dismantles clamping device, characterized in that the cam-type
Top arm includes cam arm, and cam arm lower end is rotatably installed on top arm bracket by cam arm shaft, and cam arm upper end is cooperation
The plane of roof supporting, plane side are the cam surface with plane smooth transition；
Cam arm is equipped with top arm control-rod, and touching bar lower end is fixed with pressing member, and pressing member cooperates top arm control-rod, cam arm
It is connected on top arm bracket by tensioning spring；
Tensioning spring and top arm control-rod are separately mounted to cam arm two sides, tensioning spring and cam surface in cam arm the same side.
3. a kind of link type brake drum according to claim 1 dismantles clamping device, characterized in that on the bracket
Equipped with installation support plate, on the supporting plate, the positioning sleeve passes through jacking shaft rotational installation for the jacking shaft installation
On bracket, the bracket is equipped with axis perpendicular to the inclination lead screw of jacking shaft, and inclination lead screw is equipped with inclining for cooperation
Angled-lift splits, sloping slide are hinged on positioning sleeve by tilt linkage.
4. a kind of link type brake drum according to claim 1 dismantles clamping device, characterized in that the jacking set
Only liter arm slot is provided on the inner wall of two sides, the only liter arm is located in only liter arm slot by only rising arm axle rotation, only rises arm lower end
Tooth is only risen equipped with cooperation only rises hook；It only rises arm upper end and connecting rod is rotatablely connected by pitman shaft, the connecting rod other end passes through lower last item
It is rotatably connected on touching bar bottom.
5. a kind of link type brake drum according to claim 2 dismantles clamping device, characterized in that the top arm bracket
There are two groups with the top plate supporting structure of cam-type top arm composition, be respectively provided at touching bar and only rise the only liter switching mechanism of arm composition
Two sides, lower last item are fixed on touching bar bottom, and lower last item both ends are respectively and fixedly provided with cooperation top arm control-rod pressing member.
6. a kind of link type brake drum according to claim 1 dismantles clamping device, characterized in that the top plate turns
It is dynamic that symmetrical two gears are installed, it is coaxially fixed with clamping limb fixing axle on two gears, the clamping limb mutually clamped is fixed
In clamping limb fixing axle, the top land of hydraulic cylinder is equipped with clamping driving plate, clamps and is symmetrically fixed with and two in driving plate
The rack gear of gear cooperation.
7. a kind of link type brake drum according to claim 6 dismantles clamping device, characterized in that described is symmetrical
Two gears are equipped with two groups, are coaxially fixed with clamping limb fixing axle on each gear, corresponding clamping limb is respectively provided at accordingly
In clamping limb fixing axle.
8. a kind of link type brake drum according to claim 1 dismantles clamping device, characterized in that the hydraulic cylinder is
Pedal hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910256355.XA CN109822318B (en) | 2019-04-01 | 2019-04-01 | Connecting rod type brake drum dismounting and clamping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910256355.XA CN109822318B (en) | 2019-04-01 | 2019-04-01 | Connecting rod type brake drum dismounting and clamping device |
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| Publication Number | Publication Date |
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| CN109822318A true CN109822318A (en) | 2019-05-31 |
| CN109822318B CN109822318B (en) | 2020-09-18 |
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| CN201910256355.XA Expired - Fee Related CN109822318B (en) | 2019-04-01 | 2019-04-01 | Connecting rod type brake drum dismounting and clamping device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7765923B1 (en) * | 2009-04-21 | 2010-08-03 | Leyva Hugo Oswaldo C | Motorized press device for replacing or repairing transmission parts |
| CN202224966U (en) * | 2011-06-24 | 2012-05-23 | 山东润通机械制造有限公司 | High-precision clamp for cylindrical gear workpieces |
| KR101199535B1 (en) * | 2012-05-22 | 2012-11-12 | (주)대륜종합정비 | brake drum separating apparatus |
| CN202963953U (en) * | 2012-12-11 | 2013-06-05 | 乐山市新欣机械制造有限公司 | Device special for quick disassembly of drum brake of automobile |
| CN205703380U (en) * | 2016-06-30 | 2016-11-23 | 安徽江淮汽车股份有限公司 | A kind of brake drum clamping device |
-
2019
- 2019-04-01 CN CN201910256355.XA patent/CN109822318B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7765923B1 (en) * | 2009-04-21 | 2010-08-03 | Leyva Hugo Oswaldo C | Motorized press device for replacing or repairing transmission parts |
| CN202224966U (en) * | 2011-06-24 | 2012-05-23 | 山东润通机械制造有限公司 | High-precision clamp for cylindrical gear workpieces |
| KR101199535B1 (en) * | 2012-05-22 | 2012-11-12 | (주)대륜종합정비 | brake drum separating apparatus |
| CN202963953U (en) * | 2012-12-11 | 2013-06-05 | 乐山市新欣机械制造有限公司 | Device special for quick disassembly of drum brake of automobile |
| CN205703380U (en) * | 2016-06-30 | 2016-11-23 | 安徽江淮汽车股份有限公司 | A kind of brake drum clamping device |
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| Publication number | Publication date |
|---|---|
| CN109822318B (en) | 2020-09-18 |
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