CN111362191A - Anti-slope-sliding braking mechanism of vehicle inclined ramp - Google Patents
Anti-slope-sliding braking mechanism of vehicle inclined ramp Download PDFInfo
- Publication number
- CN111362191A CN111362191A CN202010158095.5A CN202010158095A CN111362191A CN 111362191 A CN111362191 A CN 111362191A CN 202010158095 A CN202010158095 A CN 202010158095A CN 111362191 A CN111362191 A CN 111362191A
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- spline
- inclined ramp
- separator
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000005192 partition Methods 0.000 claims description 33
- 125000006850 spacer group Chemical group 0.000 claims description 17
- 230000000694 effects Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07509—Braking
-
- 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
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/22—Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Retarders (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to the technical field of forklift drive axles, and discloses an anti-slope-sliding brake mechanism of a vehicle inclined ramp, which comprises a brake assembly, a differential assembly, a first half shaft and a second half shaft, wherein the first half shaft and the second half shaft are respectively used for mounting two wheels, the differential assembly is respectively matched and connected with a power input shaft and the brake assembly, the power input shaft is connected with the differential assembly through an internal spline and an external spline, when the vehicle is obliquely placed on the ramp for braking, the differential assembly and left and right wheels can be simultaneously locked, and the slope sliding problem of the vehicle inclined ramp due to different linear velocities of the left and right wheels can be avoided.
Description
Technical Field
The invention relates to the technical field of forklift drive axles, in particular to a slope slipping prevention braking mechanism for a vehicle inclined ramp.
Background
Under the condition that the forklift drive axle is required to be compact in size, the mechanism arrangement space is optimized through reasonable arrangement of related structures, the parking brake function of the drive axle is arranged in a certain space, the vehicle is required to be parked and stopped on a flat road, and the parking brake function is achieved by the aid of the anti-slope-sliding function when the vehicle is obliquely placed on a slope. The existing slope-sliding-preventing braking mechanism acts on a single-side tire, the problem that a vehicle slides on a slope when the linear speeds of a left wheel and a right wheel are different exists, certain potential safety hazards exist, and compared with the prior art, the scheme provides a novel braking mechanism which can avoid the condition that the vehicle slides on the slope.
How to solve the technical problems becomes a difficult problem to be solved urgently.
Disclosure of Invention
The invention provides a slope slipping prevention braking mechanism of a vehicle inclined ramp, which can lock a differential assembly and left and right wheels simultaneously when the vehicle is inclined on the ramp for braking, and can avoid the slope slipping problem of the vehicle inclined ramp due to different linear velocities of the left and right wheels.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a kind of vehicle is put the brake mechanism of slope-slipping prevention of the slope obliquely, including braking assembly, differential assembly, first semi-axis and second semi-axis are used for installing two wheels separately, the said differential assembly cooperates with power input shaft and braking assembly to connect separately, power input shaft and differential assembly pass the inner and outer spline connection, the power take-off end is the existing structure, its connection with differential assembly is the prior art, not to describe here again, its concrete connection structure can be replaced to other structures that can reach the equivalent technical effect or adopt the connection modes such as the fixed weld, etc. to connect, here should not become the restriction of the invention;
the differential assembly comprises a differential main body, two side gears and at least one planetary gear, wherein the side gears and the planetary gear are both positioned in the differential main body, the planetary gear is arranged between the two side gears, a first external spline is arranged on the first half shaft, the first external spline is in meshed connection with one side gear in the differential assembly, the first half shaft can control the braking of the differential assembly, and the other side gear in the differential assembly is in meshed connection with a second half shaft;
the brake assembly comprises a spline partition plate, a second friction plate and a third friction plate, wherein the second friction plate and the third friction plate are located on two sides of the spline partition plate, the spline partition plate is provided with a second internal spline matched with a second external spline on the differential main body, the third friction plate is matched and connected with the first half shaft through a second connecting structure, and the third friction plate and the first half shaft can rotate together through the second connecting structure.
Furthermore, the brake assembly further comprises a partition plate, the third friction plate is located between the partition plate and the spline partition plate, the partition plate is connected with the spline partition plate through a first connecting structure, and the spline partition plate and the partition plate can rotate together through the first connecting structure.
Further, the first connecting structure comprises a first semicircular boss on the spline partition plate and a second semicircular boss on the partition plate, the first semicircular boss and the second semicircular boss are installed in a matched mode through a positioning pin, the first semicircular boss and the second semicircular boss are matched and fixed through the positioning pin, the first semicircular boss and the second semicircular boss can rotate simultaneously, in addition, the specific structure of the first connecting structure can be equivalently replaced by other equivalent structures, and the first connecting structure is not limited by the invention.
Furthermore, a spacer is arranged on one surface of the spline separator plate close to the separator plate and/or one surface of the separator plate close to the spline separator plate, and the first spacer is used for extruding the small friction plate, so that the braking effect is improved.
Further, be equipped with the location boss on the spacer, the location boss is installed in the second semicircle boss of baffle, makes first spacer can follow the baffle and rotate together.
Furthermore, the brake assembly further comprises a first friction plate, the first friction plate is located on one side, away from the second friction plate, of the spline partition plate, and two large friction plates are arranged to increase the braking effect.
Further, the brake assembly further comprises a first friction plate, and the first friction plate is located on one side, away from the spline separator plate, of the separator plate.
Furthermore, a first groove is formed in the spline partition plate, the shape of the first groove is matched with that of the second friction plate, the matching degree of the first groove and the second friction plate is increased, the contact stability of the first groove and the second friction plate is further improved, braking can be better, the structure is reasonably arranged, and the arrangement space of the mechanism is optimized.
Furthermore, a second groove is formed in the partition plate, the shape of the second groove is matched with that of the first friction plate, the matching degree of the second groove and the first friction plate is increased, the contact stability of the first groove and the second friction plate is further improved, braking can be better, the structure is reasonably arranged, and the arrangement space of the mechanism is optimized.
Further, the second connection structure includes internal spline tooth and external spline tooth, be equipped with the internal spline tooth on the third friction disc, first semi-axis is equipped with the external spline tooth, the internal spline tooth is connected with the meshing of external spline tooth, and various joint structures can be adopted to the second connection structure, as long as can reach equal technological effect can.
Compared with the prior art, the invention has the advantages that:
the invention provides a slope slipping prevention braking mechanism of a vehicle inclined ramp, which can lock a differential assembly and left and right wheels simultaneously when the vehicle is inclined on the ramp for braking, and can avoid the slope slipping problem of the vehicle inclined ramp due to different linear velocities of the left and right wheels.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall construction of the present invention when assembled;
FIG. 2 is a schematic structural view of a brake assembly of the present invention;
FIG. 3 is a schematic structural view of a splined spacer of the present invention;
FIG. 4 is a schematic view of the structure of the separator of the present invention;
FIG. 5 is a schematic view of the structure of a first separator according to the present invention;
fig. 6 is a partial structural schematic diagram of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
The first embodiment is as follows:
referring to fig. 1 and 6, an anti-slope-slipping brake mechanism for a vehicle inclined ramp comprises a brake assembly 300, a differential assembly 200, a first half shaft 400 and a second half shaft 700, wherein the differential assembly 200 is respectively matched and connected with a power input shaft 100 and the brake assembly 300, the differential assembly 200 comprises a differential main body, two half shaft gears and at least one planetary gear 220, the half shaft gears and the planetary gear 220 are both positioned in the differential main body, the planetary gear 220 is installed between the two half shaft gears, a first external spline 431 is arranged on the first half shaft 400, the first external spline 431 is meshed and connected with one half shaft gear in the differential assembly 200, and the other half shaft gear in the differential assembly 200 is meshed and connected with the second half shaft 700; the brake assembly 300 comprises a spline partition plate 310, a second friction plate 370 and a third friction plate 350, the second friction plate 370 and the third friction plate 350 are located on two sides of the spline partition plate 310, the spline partition plate 310 is provided with a second inner spline 312 matched with a second outer spline 211 on the differential main body, the third friction plate 350 is matched and connected with the first half shaft 400 through a second connecting structure, the differential assembly and left and right wheels can be locked at the same time, and the problem that the vehicle runs down a slope obliquely due to different linear speeds of the left and right wheels is solved.
The second friction plate 370 and the first friction plate 330 are fixed on a casing (not shown) by a pin, and the second friction plate 370 and the first friction plate 330 are limited in the circumferential direction, so that the second friction plate and the first friction plate can only move along the axial direction, thereby increasing the braking effect.
In this embodiment, referring to fig. 2, the brake assembly further includes a separator 320, the separator 320 is added to increase the structural stability and the braking effect of the brake assembly, the third friction plate 350 is located between the separator 320 and the spline separator 310, and the separator 320 and the spline separator 310 are connected through the first connecting structure.
In this embodiment, please refer to fig. 3 and 4, the first connecting structure includes a first semicircular boss 311 on the spline partition plate 310 and a second semicircular boss 321 on the partition plate 320, and the first semicircular boss 311 and the second semicircular boss 321 are installed by a positioning pin in a matching manner.
In this embodiment, a spacer is disposed on one side of the spline separator plate 310 close to the separator plate 320 and/or one side of the separator plate 320 close to the spline separator plate 310, and the arrangement of the spacer can increase the compression degree of the friction plate, thereby increasing the friction force between the friction plate and the spacer and increasing the braking effect.
In this embodiment, referring to fig. 5, the spacer is provided with a positioning boss 341, and the positioning boss 341 is installed in the second semicircular boss 321 of the spacer 320, so that the spacer and the spacer 320 can rotate together to reduce the relative friction therebetween, thereby increasing the relative friction between the spacer and the friction plate.
In this embodiment, the brake assembly further includes a first friction plate 330, and the first friction plate 330 is located on a side of the spline separator plate 310 away from the second friction plate 370, so as to increase the friction plates, further increase the relative friction, and increase the braking effect.
In this embodiment, a first groove is formed in the spline separator 310, the shape of the first groove is matched with that of the second friction plate 370, the matching degree of the first groove and the second groove is increased, the contact stability of the first groove and the second friction plate is further increased, braking can be better, the structure is reasonably arranged, and the arrangement space of the mechanism is optimized.
In this embodiment, the second groove has been seted up on the baffle 320, the shape of second groove with the shape phase-match of first friction disc 330 increases the cooperation degree of the two, and then increases the stability when the two contact, braking that can be better, rational arrangement structure, optimization mechanism arrange the space.
In this embodiment, the second connection structure includes internal spline tooth 351 and external spline tooth 411, is equipped with internal spline tooth 351 on the third friction disc 350, and first axle 400 is equipped with external spline tooth 411, and internal spline tooth 351 and external spline tooth 411 mesh are connected, can make third friction disc 350 drive first axle 400 through second connection structure and rotate, and the accessible makes third friction disc 350 stall and then drives first axle 400 stall, and then reaches the purpose of braking.
Referring to fig. 1, the power input shaft 100 is connected with the differential assembly 200 through an internal spline and an external spline, the brake assembly 300 is respectively connected with the differential assembly 200 and the first axle 400 in a matching manner, the gear 421 on the first axle 400 is connected with the third axle 500 through a speed reducing mechanism, and the first wheel 600 is connected with the third axle 500; referring to fig. 6, the first external splines 431 on the first axle 400 are connected to the first axle gear 230 in the differential assembly 200, the second axle gear 240 in the differential assembly 200 is connected to the second axle 700 through the internal and external splines, the second axle 700 is connected to the fourth axle 800 through the reduction mechanism, and the second wheels 900 are connected to the fourth axle 800. When the vehicle turns, the first wheel 600 and the second wheel 900 will experience a differential speed, at which time the first side gear 230 engaged with the first axle 400 and the second side gear 240 engaged with the second axle 700 experience an unequal speed, which will cause the planetary gears 220 to spin to balance the differential speed.
Referring to fig. 2, 3 and 4, the brake assembly 300 is composed of a spline separator plate 310, a separator plate 320, a first friction plate 330, a second friction plate 370, a first separator plate 340, a third friction plate 350 and a second separator plate 360, wherein the first friction plate 330 and the second friction plate 370 are respectively provided with the separator plate 320 and the spline separator plate 310 at the surfaces close to each other, the first semicircular boss 311 of the spline separator plate 310 and the second semicircular boss 321 of the separator plate 320 are cooperatively arranged through a positioning pin, the positioning pin penetrates through the first positioning hole of the first semicircular boss 311 and the second positioning hole of the second semicircular boss 321, the positioning pin is a limited scheme, and can be replaced with other structures which can achieve the same effect, and the structure should not be a limitation of the present invention, and the separator plate 320 rotates together with the spline separator plate 310. The first separator plate 340 and the third friction plate 350 are interposed between the spline separator plate 310 and the separator plate 320. Referring to fig. 5, the positioning boss 341 of the first spacer 340 is installed in the second semicircular boss 321 of the partition 320 and rotates together with the partition 320. The splined spacer 310 has second internal splines 312 that mate with and rotate with the second external splines 211 on the differential assembly 200.
Referring to fig. 6, the third friction plate 350 is provided with inner spline teeth 351, the first half shaft 400 is provided with outer spline teeth 411, the inner spline teeth 351 are engaged with the outer spline teeth 411, and the rotation of the first half shaft 400 drives the third friction plate 350 to rotate together.
When the vehicle brakes, the second friction plate 370 is squeezed by a squeezing structure, the particular squeezing structure is an existing structure, and not described in detail herein, the spline separator plate 310 is pushed, the spline separator plate 310 presses the third friction plate 350 and the second separator plate 360, and further pushes the separator plate 320 to press the first friction plate 330, at this time, the second friction plate 370 and the spline separator plate 310, the first separator plate 340, the third friction plate 350 and the second separator plate 360, and the separator plate 320 and the second friction plate 370 generate a friction torque under the action of pressure, under the action of the friction torque, the spline separator plate 310 rotating together with the differential assembly 200 tends to stop, the separator plate 320 tends to stop, the differential assembly 200 also tends to stop, meanwhile, the first axle 400 driven by the third friction plate 350 also tends to stop, the second axle 700 also tends to stop, at this time, the differential assembly 200 and the first wheel 600 driven by the first axle 400, the wheels to which second wheel 900 is connected, driven by second axle shaft 700, tend to stop.
When a vehicle is obliquely placed on a slope, when the linear velocity difference occurs between the first wheel 600 and the second wheel 900, the rotation speed difference occurs between the short third half shaft 500 driven by the speed reducer for the first wheel 600 and the long fourth half shaft 800 driven by the speed reducer for the second wheel 900, the third friction plate 350 is meshed with the outer spline teeth 411 through the inner spline teeth 351, at the moment, when the vehicle brakes, under the action of friction torque, the differential main body tends to be static, the third friction plate 350 tends to be static from rotation, and the third friction plate 400 tends to be static, at the same time, under the action of the differential assembly 200, the first wheel 600 and the second wheel 900 tend to be static synchronously, the linear velocity difference is eliminated, the vehicle is parked on the slope, the differential assembly and the left and right wheels can be locked at the same time, and the problem of slope slipping of the vehicle on the slope due to the fact that the linear velocity difference.
This is the working principle of the anti-creep brake mechanism for the inclined ramp of the vehicle, and the contents which are not described in detail in the present specification are all the prior art known to those skilled in the art.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications may be made by the patentees within the scope of the appended claims, and within the scope of the invention, as long as they do not exceed the scope of the invention described in the claims.
Claims (10)
1. An anti-slope-slipping brake mechanism of a vehicle inclined ramp comprises a brake assembly (300), a differential assembly (200), a first half shaft (400) and a second half shaft (700), the differential assembly (200) is respectively matched and connected with the power input shaft (100) and the brake assembly (300), the differential assembly (200) includes a differential main body, two side gears, and at least one planetary gear (220), the side gears and the planet gear (220) are both located within the differential body, the planet gear (220) is mounted between the two side gears, characterized in that a first external spline (431) is arranged on the first half shaft (400), the first external spline (431) is meshed with one side gear in the differential assembly (200), the other side gear in the differential assembly (200) is in meshing connection with a second half shaft (700);
the brake assembly (300) comprises a spline partition plate (310), a second friction plate (370) and a third friction plate (350), the second friction plate (370) and the third friction plate (350) are located on two sides of the spline partition plate (310), the spline partition plate (310) is provided with a second inner spline (312) matched with a second outer spline (211) on the differential main body, and the third friction plate (350) is matched and connected with the first half shaft (400) through a second connecting structure.
2. The anti-creep brake mechanism for a vehicle inclined ramp according to claim 1, wherein the brake assembly further comprises a separator plate (320), the third friction plate (350) being located between the separator plate (320) and the splined separator plate (310), the separator plate (320) and the splined separator plate (310) being connected by a first connecting structure.
3. The anti-creep brake mechanism for a vehicle inclined ramp according to claim 2, wherein the first connecting structure comprises a first semicircular boss (311) on the spline partition plate (310) and a second semicircular boss (321) on the partition plate (320), and the first semicircular boss (311) and the second semicircular boss (321) are installed in a matched mode through a positioning pin.
4. An anti-creep brake mechanism for a vehicle inclined ramp according to claim 3, characterised in that the splined partition (310) on the side adjacent to the partition (320) and/or the side of the partition (320) adjacent to the splined partition (310) is provided with a spacer.
5. The anti-creep brake mechanism for a vehicle inclined ramp according to claim 4, wherein the spacer is provided with a positioning boss (341), and the positioning boss (341) is mounted in the second semicircular boss (321) of the partition plate (320).
6. The anti-creep brake mechanism for a vehicle inclined ramp according to claim 1, wherein the brake assembly further comprises a first friction plate (330), the first friction plate (330) being located on a side of the splined separator plate (310) remote from a second friction plate (370).
7. An anti-creep brake mechanism for a vehicle inclined ramp according to claim 2, characterised in that the brake assembly further comprises a first friction plate (330), the first friction plate (330) being located on the side of the separator plate (320) remote from the splined separator plate (310).
8. The anti-creep brake mechanism for a vehicle inclined ramp according to claim 7, wherein the spline separator (310) is provided with a first groove, and the shape of the first groove matches with the shape of the second friction plate (370).
9. The anti-creep brake mechanism for a vehicle inclined ramp according to claim 7 or 8, characterized in that the partition plate (320) is provided with a second groove, and the shape of the second groove matches with the shape of the first friction plate (330).
10. An anti-creep brake mechanism for a vehicle inclined ramp according to claim 1, characterized in that the second connecting structure comprises inner spline teeth (351) and outer spline teeth (411), the third friction plate (350) is provided with the inner spline teeth (351), the first half shaft (400) is provided with the outer spline teeth (411), and the inner spline teeth (351) are in meshing connection with the outer spline teeth (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158095.5A CN111362191B (en) | 2020-03-09 | 2020-03-09 | Anti-slip braking mechanism for vehicle inclined ramp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158095.5A CN111362191B (en) | 2020-03-09 | 2020-03-09 | Anti-slip braking mechanism for vehicle inclined ramp |
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| Publication Number | Publication Date |
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| CN111362191A true CN111362191A (en) | 2020-07-03 |
| CN111362191B CN111362191B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010158095.5A Active CN111362191B (en) | 2020-03-09 | 2020-03-09 | Anti-slip braking mechanism for vehicle inclined ramp |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210484A (en) * | 2014-10-09 | 2014-12-17 | 重庆青山工业有限责任公司 | AMT (automated mechanical transmission) vehicle hill starting anti-slip control system |
| CN204623148U (en) * | 2015-01-26 | 2015-09-09 | 徐州徐工传动科技有限公司 | The wet-type braking driving axle of built-in Limited slip differential |
| CN105599603A (en) * | 2016-03-03 | 2016-05-25 | 浙江美科斯叉车有限公司 | Rear steering drive axle assembly of forklift |
| CN108116416A (en) * | 2016-11-28 | 2018-06-05 | 比亚迪股份有限公司 | Vehicle and its car slipping determination methods and device |
| CN212127423U (en) * | 2020-03-09 | 2020-12-11 | 安徽合力股份有限公司 | Anti-slope-sliding braking mechanism of vehicle inclined ramp |
-
2020
- 2020-03-09 CN CN202010158095.5A patent/CN111362191B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210484A (en) * | 2014-10-09 | 2014-12-17 | 重庆青山工业有限责任公司 | AMT (automated mechanical transmission) vehicle hill starting anti-slip control system |
| CN204623148U (en) * | 2015-01-26 | 2015-09-09 | 徐州徐工传动科技有限公司 | The wet-type braking driving axle of built-in Limited slip differential |
| CN105599603A (en) * | 2016-03-03 | 2016-05-25 | 浙江美科斯叉车有限公司 | Rear steering drive axle assembly of forklift |
| CN108116416A (en) * | 2016-11-28 | 2018-06-05 | 比亚迪股份有限公司 | Vehicle and its car slipping determination methods and device |
| CN212127423U (en) * | 2020-03-09 | 2020-12-11 | 安徽合力股份有限公司 | Anti-slope-sliding braking mechanism of vehicle inclined ramp |
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| Publication number | Publication date |
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| CN111362191B (en) | 2024-05-03 |
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