CN106838057A - A kind of gearbox arrestment mechanism - Google Patents
A kind of gearbox arrestment mechanism Download PDFInfo
- Publication number
- CN106838057A CN106838057A CN201710173867.0A CN201710173867A CN106838057A CN 106838057 A CN106838057 A CN 106838057A CN 201710173867 A CN201710173867 A CN 201710173867A CN 106838057 A CN106838057 A CN 106838057A
- Authority
- CN
- China
- Prior art keywords
- gearbox
- arrestment mechanism
- assembly
- brake
- output shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000010425 asbestos Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 239000002783 friction material Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 230000000712 assembly Effects 0.000 abstract description 7
- 238000000429 assembly Methods 0.000 abstract description 7
- 241001331845 Equus asinus x caballus Species 0.000 abstract description 5
- 230000007935 neutral effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 16
- 230000008859 change Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/16—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
- F16D51/18—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/10—Drums for externally- or internally-engaging brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D2051/001—Parts or details of drum brakes
- F16D2051/003—Brake supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D2065/13—Parts or details of discs or drums
- F16D2065/134—Connection
- F16D2065/1384—Connection to wheel hub
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0004—Materials; Production methods therefor metallic
- F16D2200/0008—Ferro
Abstract
The present invention discloses a kind of gearbox arrestment mechanism, belongs to the output transmission technical field of construction machinery gear box, including brake holder assembly, the brake drum on brake holder assembly, output shaft end cap and rod assembly；The brake holder assembly has two, two braking bracket assemblys connect the brake holder that forms a whole by spring, output shaft end cap is fixed with by ladder pin and direct selling on the integral stop support, the rod assembly is fixed in direct selling, and the brake drum is fixed on the outer ring of integral stop support.The present invention is braked by setting arrestment mechanism in the output shaft end of gearbox, prevent whole machine occur in the course of the work neutral mule carriage, brake it is unstable, it is impossible to the state braked, it is ensured that whole machine normal work, operating efficiency is substantially increased, extends the service life of part；It is simple structure of the present invention, easy to process, it is easy to assembly laborsaving.
Description
Technical field
The present invention relates to a kind of arrestment mechanism, and in particular to a kind of gearbox arrestment mechanism, belong to engineering machinery speed change
The output transmission technical field of case.
Background technology
In the Hydraulic Power Transmission System of loading machine, Powershift transmission manipulates light, simple, gear shift soon, power during gear shift
The time of cut-out can be reduced to bottom line, can realize that gear shift is not parking in the case of big load, and this greatly facilitates loading
The raising of machine production efficiency.Arrestment mechanism on gearbox has drum brake and caliper disc to brake.Drum braking mechanism is used for defeated
Go out shaft end, one end is linked together by bearing pin and output shaft end cap assemblies, the other end is by M8 bolts on brake drum and preceding
It is connected on output flange, internal spline on preceding output flange component and external splines is meshed on the output shaft of gearbox, preceding output
The flange assembly other end is connected by attachment bolt and power transmission shaft.The self-locking nut on power transmission shaft is tightened, by output shaft
Power output rotates power transmission shaft on power transmission shaft, drives whole machine to be operated, if it is desired to brake, then by friction plate and system
Frictional force between dynamic drum realizes braking.
But during current Market Feedback, loading machine in the course of the work, brake occurs and stops incessantly, skidding shows
As, the phenomenon of neutral mule carriage is there is also sometimes, cause the whole loading machine cannot normal work.
The content of the invention
It is an object of the invention to overcome deficiency of the prior art, there is provided a kind of gearbox arrestment mechanism, solve
In the prior art loading machine in working order under, brake unstable, the problem of neutral mule carriage.
To achieve these goals, a kind of gearbox arrestment mechanism that the present invention is used, including brake holder assembly, peace
Brake drum, output shaft end cap and rod assembly on brake holder assembly；
The brake holder assembly has two, and two braking bracket assemblys connect the braking branch that forms a whole by spring
Frame, output shaft end cap is fixed with the integral stop support by ladder pin and direct selling, and the rod assembly is fixed on direct selling
On, the brake drum is fixed on the outer ring of integral stop support.
Used as improvement, the material of the brake drum is HT250, and normalized treatment hardness is 190-240HB.
Used as improvement, the ladder pin, the shaft end sold directly to households are respectively provided with pad and back-up ring respectively, the direct selling and ladder pin
Material is 40Cr, and Surface heat-treatent hardness is 31-36HRC.
Used as improvement, the brake holder assembly is made up of support and friction plate, and the friction plate is selected without asbestos environmental protection
Friction material, friction plate is in arc-shaped, and thickness is 60mm, and thickness is uniform, coefficient of friction u=0.3-0.6.
Used as improvement, the support is welded to form by contact block, reinforcing plate and arc plate, the contact block Surface heat-treatent
Hardness is 35-45HRC.
Used as improvement, the rod assembly is made up of pull rod shaft, pull bar and O-ring, and the pull bar and pull rod shaft are welded on
Together, O-ring loads in the pull bar.
Used as improvement, the brake drum is fixed on the outer ring of integral stop support by bolt and packing ring.
Used as improvement, the arrestment mechanism is connected into an entirety, the preceding output by bolt and preceding output flange component
Flange assembly is assemblied in output shaft of gear-box end, and preceding output flange component is by outer flower on internal spline and output shaft of gear-box assembly
Key is meshed.
Used as improvement, the bolt uses M8X25-10.9.
Compared with prior art, the beneficial effect that is reached of the present invention is：
1) present invention is braked by setting arrestment mechanism in the output shaft end of gearbox, prevents whole machine in the course of work
In occur neutral mule carriage, brake it is unstable, it is impossible to the state braked, it is ensured that whole machine normal work, substantially increase work
Efficiency, extends the service life of part；
2) simple structure of the present invention, easy to process, it is easy to assembly laborsaving.
Brief description of the drawings
Fig. 1 is brake assembly structural representation of the present invention；
Fig. 2 is the A-A direction views of Fig. 1；
Fig. 3 is the B-B direction view of Fig. 1；
Fig. 4 is the structural representation of brake holder assembly in the present invention；
Fig. 5 is the top view of Fig. 4；
Fig. 6 is the structural representation of medium-height trestle of the present invention；
Fig. 7 is the top view of Fig. 6；
Fig. 8 is the structural representation of rod assembly in the present invention；
Fig. 9 is the C-C direction views of Fig. 8；
Figure 10 is the broken section structural representation of brake drum in the present invention；
Figure 11 is the structural representation that arrestment mechanism of the present invention connects output shaft of gear-box assembly；
In figure：1st, brake holder assembly, 2, brake drum, 3, ladder pin, 4, back-up ring, 5, pad, 6, sell directly to households, 7, output shaft end
Lid, 8, spring, 9, rod assembly, 10, bolt, 11, packing ring, 12, support, 13, friction plate, 14, contact block, 15, reinforcing plate,
16th, arc plate, 17, pull rod shaft, 18, pull bar, 19, O-ring, 20, output shaft end cap assemblies, 21, brake assembly, 22, preceding defeated
Go out flange assembly, 23, output axle assembly, 24, attachment bolt.
Specific embodiment
It is right below by accompanying drawing and embodiment to make the object, technical solutions and advantages of the present invention of greater clarity
The present invention is further elaborated.However, it should be understood that specific embodiment described herein is only used to explain this hair
Scope that is bright, being not intended to limit the invention.
Unless otherwise defined, all of technical term used herein and scientific terminology are led with technology of the invention is belonged to
The implication that the technical staff in domain is generally understood that is identical, and the term for being used in the description of the invention herein is intended merely to retouch
State the purpose of specific embodiment, it is not intended that in the limitation present invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of gearbox arrestment mechanism, including brake holder assembly 1, installed in braking
Brake drum 2, output shaft end cap 7 and rod assembly 9 on bracket assembly 1；
The brake holder assembly 1 has two, and two braking bracket assemblys 1 connect the system of forming a whole by spring 8
Dynamic support, output shaft end cap 7 is fixed with the integral stop support by ladder pin 3 and direct selling 6, and the rod assembly 9 is consolidated
It is scheduled in direct selling 6, the brake drum 2 is fixed on the outer ring of integral stop support.
Used as the improvement of embodiment, as shown in Figure 10, the material of the brake drum 2 is HT250, and normalized treatment hardness is
190-240HB, needs to do blance test before assembling brake drum 2.
Used as the improvement of embodiment, the ladder pin 3, the shaft end of direct selling 6 are respectively provided with pad 5 and back-up ring 4 respectively, effectively protect
The normal of guard pin axle is used.The material of the direct selling 6 and ladder pin 3 is 40Cr, and Surface heat-treatent hardness is 31-36HRC.
Used as the improvement of embodiment, as shown in Figure 4, Figure 5, the brake holder assembly 1 is by 13 groups of support 12 and friction plate
Into the friction plate 13 is not allowed from the friction material without asbestos environmental protection, coefficient of friction u=0.3-0.6, the outward appearance of friction plate
There are the phenomenons such as foaming, crack, layering, greasy dirt, projection, friction plate 13 is in arc-shaped, and Inner arc is forbidden have warpage, and thickness requirement is equal
Even, thickness is 60mm.Necessary robust, must not there is cracking phenomena in tolerance band between bracket assembly and friction plate 13.
Used as the improvement of embodiment, as shown in Figure 6, Figure 7, the support 12 is by contact block 14, reinforcing plate 15 and arc plate
16 are welded to form, and the Surface heat-treatent hardness of the contact block 14 is 35-45HRC, and the upper surface heat treatment hardness of contact block 14 is 35-
45HRC, weldment need to carry out Bluing treatment.
Used as the improvement of embodiment, as shown in Figure 8, Figure 9, the rod assembly 9 is by pull rod shaft 17, pull bar 18 and O-ring
19 compositions, the pull bar 18 and pull rod shaft 17 weld together, and O-ring 19 loads in the pull bar 18, hand braking to carry out.
4-R12 and A Surface heat-treatents hardness is 40-50HRC in pull rod shaft 17.
Used as the improvement of embodiment, the brake drum 2 is fixed on the outer of integral stop support by bolt 10 and packing ring 11
On circle.
Used as the improvement of embodiment, as shown in figure 11, the arrestment mechanism passes through bolt 10 and preceding output flange component 22
An entirety is connected into, the preceding output flange component 22 is assemblied in output shaft of gear-box end, and preceding output flange component 22 is in
External splines is meshed on spline and output shaft of gear-box assembly 23, and the preceding output flange other end passes through attachment bolt 24 and power transmission shaft
Upper flange is connected.
The bolt 10 uses M8X25-10.9.
In assembling, as shown in figure 1, the quantity of brake holder assembly 1 is two pieces, two springs 8 are first loaded into braking branch
On frame, two braking bracket assemblys 1 is connected into an integral stop support, ladder pin 3 and direct selling 6 loaded into output shaft end caps 7,
Rod assembly 9 is loaded in direct selling 6, brake holder assembly 1 is loaded on two bearing pins, load pad 5 and back-up ring 4, it is straight to prevent
Pin axial float.It is its simple structure, easy to process, it is easy to assembly laborsaving.
Load the above-mentioned output shaft end cap assemblies 20 for assembling and brake assembly 21 (in addition to brake drum 2) on casing,
Then preceding output flange component 22 is assembled to output shaft of gear-box end again, preceding output flange component 22 passes through internal spline and speed change
External splines is meshed on case output axle assembly 23, and then brake drum 2 is enclosed within brake holder assembly outer ring, loads the He of packing ring 11
Bolt 10, an entirety, friction plate 13 and system are connected into by M8 bolts by brake assembly 21 and preceding output flange component 22
The interstice coverage of dynamic drum 2 is 0.3~0.4mm, and friction plate 13 is no less than friction plate with the contact area of brake drum 2 during braking
80%.The structural representation of the output axle assembly of the connection gearbox of brake assembly 21 is as shown in figure 11, preceding output flange component
The flange on attachment bolt 24 and power transmission shaft on 22 is connected, and tightens the self-locking nut on power transmission shaft, and gearbox dynamic is defeated
Go out onto power transmission shaft, rotate power transmission shaft, drive whole machine normal work, occur neutral mule carriage in the course of the work when whole machine, stop
Car is unstable, it is impossible in the state of being braked, and tenses brake bar, is realized by the frictional force between friction plate and brake drum
Brake hard, this arrestment mechanism ensures whole machine normal work, substantially increases operating efficiency, extends the service life of part.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent or improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of gearbox arrestment mechanism, it is characterised in that including brake holder assembly (1), installed in brake holder assembly
(1) brake drum (2), output shaft end cap (7) and rod assembly (9) on；
With two, two brakings bracket assembly (1) are connected and formed a whole the brake holder assembly (1) by spring (8)
Brake holder, output shaft end cap (7), the pull bar are fixed with the integral stop support by ladder pin (3) and direct selling (6)
Assembly (9) is fixed in direct selling (6), and the brake drum (2) is fixed on the outer ring of integral stop support.
2. a kind of gearbox arrestment mechanism according to claim 1, it is characterised in that the material of the brake drum (2)
It is HT250, normalized treatment hardness is 190-240HB.
3. a kind of gearbox arrestment mechanism according to claim 1, it is characterised in that the ladder pin (3), sell directly to households
(6) shaft end is respectively provided with pad (5) and back-up ring (4) respectively, and the material of the direct selling (6) and ladder pin (3) is 40Cr, surface heat
Treatment hardness is 31-36HRC.
4. a kind of gearbox arrestment mechanism according to claim 1, it is characterised in that the brake holder assembly (1)
It is made up of support (12) and friction plate (13), the friction plate (13) is from the friction material without asbestos environmental protection, friction plate (13)
In arc-shaped, thickness is 60mm, and thickness is uniform, coefficient of friction u=0.3-0.6.
5. a kind of gearbox arrestment mechanism according to claim 4, it is characterised in that the support (12) is by contact block
(14), reinforcing plate (15) and arc plate (16) are welded to form, and contact block (14) the Surface heat-treatent hardness is 35-45HRC.
6. a kind of gearbox arrestment mechanism according to claim 1, it is characterised in that the rod assembly (9) is by drawing
Bar axle (17), pull bar (18) and O-ring (19) composition, the pull bar (18) and pull rod shaft (17) weld together, O-ring (19)
Load in the pull bar (18).
7. a kind of gearbox arrestment mechanism according to claim 1, it is characterised in that the brake drum (2) is by spiral shell
Bolt (10) and packing ring (11) are fixed on the outer ring of integral stop support.
8. a kind of gearbox arrestment mechanism according to claim 1, it is characterised in that the arrestment mechanism passes through bolt
(10) entirety is connected into preceding output flange component (22), the preceding output flange component (22) is assemblied in gearbox output
Shaft end, preceding output flange component (22) is meshed by external splines on internal spline and output shaft of gear-box assembly (23).
9. a kind of gearbox arrestment mechanism according to claim 7 or 8, it is characterised in that the bolt (10) uses
M8X25-10.9。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173867.0A CN106838057A (en) | 2017-03-22 | 2017-03-22 | A kind of gearbox arrestment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173867.0A CN106838057A (en) | 2017-03-22 | 2017-03-22 | A kind of gearbox arrestment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106838057A true CN106838057A (en) | 2017-06-13 |
Family
ID=59130062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710173867.0A Pending CN106838057A (en) | 2017-03-22 | 2017-03-22 | A kind of gearbox arrestment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106838057A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2523633Y (en) * | 2002-01-22 | 2002-12-04 | 山东五征农用车有限公司 | Linked rear axle gear box |
| CN202156450U (en) * | 2011-07-05 | 2012-03-07 | 李承昌 | Front and back drive steering wheel tractor with front wheel steering function |
| CN202170970U (en) * | 2011-06-17 | 2012-03-21 | 广西柳工机械股份有限公司 | Planetary wheel type short-wheelbase gearbox |
| CN103062255A (en) * | 2012-12-28 | 2013-04-24 | 芜湖盛力科技股份有限公司 | Pull-locking type parking brake for engineering machinery |
| CN203876490U (en) * | 2014-05-20 | 2014-10-15 | 南京依维柯汽车有限公司 | Input-end parking integral drive axle |
| CN206571855U (en) * | 2017-03-22 | 2017-10-20 | 徐州徐工传动科技有限公司 | Gearbox arrestment mechanism |
-
2017
- 2017-03-22 CN CN201710173867.0A patent/CN106838057A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2523633Y (en) * | 2002-01-22 | 2002-12-04 | 山东五征农用车有限公司 | Linked rear axle gear box |
| CN202170970U (en) * | 2011-06-17 | 2012-03-21 | 广西柳工机械股份有限公司 | Planetary wheel type short-wheelbase gearbox |
| CN202156450U (en) * | 2011-07-05 | 2012-03-07 | 李承昌 | Front and back drive steering wheel tractor with front wheel steering function |
| CN103062255A (en) * | 2012-12-28 | 2013-04-24 | 芜湖盛力科技股份有限公司 | Pull-locking type parking brake for engineering machinery |
| CN203876490U (en) * | 2014-05-20 | 2014-10-15 | 南京依维柯汽车有限公司 | Input-end parking integral drive axle |
| CN206571855U (en) * | 2017-03-22 | 2017-10-20 | 徐州徐工传动科技有限公司 | Gearbox arrestment mechanism |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
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| RJ01 | Rejection of invention patent application after publication |