CN107585143A - The reach truck chassis assembly of the support wheel integrated with brake drum and wheel rim - Google Patents
The reach truck chassis assembly of the support wheel integrated with brake drum and wheel rim Download PDFInfo
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- CN107585143A CN107585143A CN201710796945.2A CN201710796945A CN107585143A CN 107585143 A CN107585143 A CN 107585143A CN 201710796945 A CN201710796945 A CN 201710796945A CN 107585143 A CN107585143 A CN 107585143A
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- wheel
- support
- support wheel
- brake
- leg
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- 239000007788 liquid Substances 0.000 claims abstract description 42
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 210000000003 hoof Anatomy 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 244000309466 calf Species 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The invention discloses the reach truck chassis assembly of the support wheel integrated with brake drum and wheel rim, including chassis, driving wheel, two support wheel assemblies and brake fluid system.The chassis is the U-shaped structure of left support leg, right support leg and driver element base composition, and left support leg and right support the leg end connects a support wheel assembly respectively.The present invention support wheel using wheel rim inner circle and liquid braking device friction plate produce braking, eliminate original brake drum, eliminate because the tear of brake drum root, deformation, brake fade, it is seized the defects of；Double-row angular contact bal bearing is employed, more original taper roll bearing is compared, and service life extends 2~3 years；Manufacturing cost is low, and more former support wheel assembly is compared, and reduces support wheel manufacturing cost 15~25%.
Description
Technical field
The invention belongs to shift-forward type electri forklift technical field, and specifically, it is related to integrates with brake drum and wheel rim
Support wheel reach truck chassis assembly.
Background technology
At present, shift-forward type electric fork truck chassis typically support wheel of the installation with hydraulic braking.The existing shift-forward type of in the market
Fork truck support wheel is generally braked or without front wheel brake using front-wheel hydraulic drum.Conventional hydraulic drum brake support wheel is typically adopted
Structural shape is attached together with brake drum, liquid braking device, wheel three.
Shown in Figure 8, original support wheel assembly 5 includes former support wheel body 51, brake drum 52, former brake 53, former wheel shaft
54 and taper roll bearing 55, the high-pressure brake liquid that the brake cylinder piston in the former brake 53 is come by master cylinder transmission
Effect promotes neck, is flared out from brake-shoe, and the friction plate on brake-shoe holds the brake contact face of brake drum 52 tightly, realizes wheel
Braking.The former support wheel body 51 and brake drum 52 are made of gray cast iron HT250.This structure easily breaks down, such as：Braking
The tear of the root of drum 52, deformation, brake fade, the seized, earlier period damage of taper roll bearing 55.
The content of the invention
Shift-forward type electri forklift is badly in need of developing a new chassis, the support wheel integrated using brake drum and wheel rim, reduces
Support wheel failure, reduce support wheel manufacturing cost.
The invention provides the reach truck chassis assembly of the support wheel integrated with brake drum and wheel rim.
The reach truck chassis assembly of the support wheel integrated with brake drum and wheel rim, including chassis 1, the and of driving wheel 2
Two support wheel assemblies 3, the chassis 1 is the U-shaped structure of left support leg, right support leg and driver element base composition, described
Left support leg and right support leg end connect a support wheel assembly 3 respectively, and left support leg and right support leg are specular
Structure, the driver element base centre position connect driving wheel 2.
The side position to the left of the driver element base is provided with brake fluid system 4, and the support wheel assembly 3 is provided with support
Wheel body 30, liquid braking device 31, support wheel shaft 33 and liquid braking device installing plate 36, the support wheel body 30 are provided with wheel rim 302,
The wheel rim 302 is provided with circular hole 3022 in second, and the excircle part of the liquid braking device 31 is circular friction plates 311, described
Friction plate 311 is engaged with circular hole in second 3022.The support wheel body 30 is by supporting wheel shaft 33 to be arranged on chassis 1.
The liquid braking device 31 is arranged on liquid braking device installing plate 36, the hydraulic braking of two support wheel assemblies 3
Device installing plate 36 is respectively and fixedly installed on left support leg and right support leg.
In use, brake fluid system 4 conveys brake fluid to liquid braking device 31, brake fluid enters liquid braking device 31
Afterwards, friction plate 311 deforms laterally, and with second in circular hole 3022 produce friction, then locking support wheel assembly 3 formed fork truck
Service brake.
The technical scheme further limited is as follows：
The support wheel body 30 includes polyurethane wheel face 301 and wheel rim 302.The polyurethane wheel face 301 is with casting
Mode be connected to wheel rim 302 it is cylindrical on.The wheel rim 302 be provided with first in circular hole 3021 and centre bore 3023, described first
Interior circular hole 3021 concedes space to the liquid braking device installing plate 36 in brake fluid system 4.Installed in the centre bore 3023
Wheel shaft 33 is supported, and by supporting wheel shaft 33 to be connected with chassis 1.
The liquid braking device 31 includes friction plate 311, brake cylinder, neck hoof 312 and from hoof 313, the brake cylinder
Positioned at the core of friction plate 311, the neck hoof 312 and the both sides that brake cylinder is symmetrically distributed in from hoof 313, brake cylinder is in hydraulic pressure
After brakes 4 supplies brake fluid, promote neck hoof 312 and moved out from hoof 313 from inner, and withstand on the inner circle of friction plate 311
Surface, friction plate 311 produce deformation laterally.
The left support leg is provided with left branch leg channel-section steel 21 and left branch leg coaming plate 22, and the left branch leg channel-section steel 21 is provided with the first peace
Hole 211 is filled, the left branch leg coaming plate 22 is provided with the second mounting hole 221, and the both ends of the support wheel shaft 33 are separately mounted to first
In the mounting hole 221 of mounting hole 211 and second, clamping screw 32 is provided with first mounting hole 211, and pass through clamping screw 32
Fastening support wheel shaft 33.
The brake fluid system 4 includes master cylinder 41, hydraulic braking pedal 42, left oil pipe 43 and right oil pipe 44.Institute
It is that master cylinder 41 supplies brake fluid to liquid braking device 31 and removes the switch of brake fluid to state hydraulic braking pedal 42.The left oil pipe
43 are connected between the support wheel assembly 3 of left support leg and master cylinder 41, and the right oil pipe 44 is connected to the branch of right support leg
Support between wheel assembly 3 and master cylinder 41.
Bearing 34, the left branch leg channel-section steel 21 and the end face of bearing 34 are provided between the support wheel shaft 33 and centre bore 3023
Between be provided with bushing 35, the bushing 35 gives the axially position of bearing 34.
The left branch leg channel-section steel 21 is provided with five screw mounting holes 212, and five screw mounting holes 212 are around the first peace
Fill hole 211 to be distributed in fan-shaped, liquid braking device installing plate 36 is fixed on left branch leg by five screw mounting holes 212 and screw
On channel-section steel 21.
The liquid braking device installing plate 36 is provided with five installation screwed holes 361 of fan-shaped distribution.
The wheel rim 302 is made using spheroidal graphite cast-iron QT450-10 materials.
The bearing 34 is two double-row angular contact bal bearings.
The method have the benefit that：
(1) support wheel utilizes the friction plate of circular hole and liquid braking device in the second of wheel rim to produce braking, eliminates original
Brake drum, eliminate because the tear of brake drum root, deformation, brake fade, it is seized the defects of.
(2) double-row angular contact bal bearing is employed, more original taper roll bearing is compared, and service life extends 2~3
Year.
(3) brake drum and wheel rim integrated monolithic support wheel, good heat dissipation effect, more former support wheel are always compared, into extension branch
Support wheel service life 2~3 years；
(4) support wheel wheel rim uniquely uses wear-resisting spheroidal graphite cast-iron QT450-10 materials, has characteristic needed for brake drum concurrently
With support wheel high-mechanic, high intensity requirement.
(5) brake drum and wheel rim integrated monolithic support wheel, manufacturing cost is low, and more former support wheel assembly is compared, and reduces branch
Support wheel manufacturing cost 15~25%.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is Left-side support wheel assembly sectional view of the present invention.
Fig. 3 is hydraulic braking configuration diagram of the present invention.
Fig. 4 is Hydraulic brake structure schematic diagram of the present invention.
Fig. 5 is present invention support wheel body structural representation.
Fig. 6 is left branch leg partial structural diagram of the present invention.
Fig. 7 is left branch leg channel-section steel partial structural diagram.
Fig. 8 is former hydraulic braking support wheel structural profile illustration.
Sequence number in figure：Chassis 1, driving wheel 2, left branch leg channel-section steel 21, the first mounting hole 211, screw mounting hole 212, left branch
Calf circumference plate 22, the second mounting hole 221, support wheel assembly 3, support wheel body 30, polyurethane wheel face 301, wheel rim 302, the first inner circle
Circular hole 3022 in hole 3021, second, centre bore 3023, liquid braking device 31, friction plate 311, neck hoof 312, from hoof 313, locking
Bolt 32, support wheel shaft 33, bearing 34, bushing 35, liquid braking device installing plate 36, installation screwed hole 361, brake fluid system
4th, master cylinder 41, hydraulic braking pedal 42, left oil pipe 43, right oil pipe 44, former support wheel assembly 5, former support wheel body 51, braking
Drum 52, former brake 53, former wheel shaft 54, taper roll bearing 55.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details by embodiment.
Embodiment
Referring to Fig. 1, the reach truck chassis assembly of the support wheel integrated with brake drum with wheel rim, including chassis 1, drive
2, two support wheel assemblies 3 of driving wheel and brake fluid system 4.The chassis 1 is left support leg, right support leg and driver element bottom
The U-shaped structure of seat composition, left support leg and right support the leg end connect a support wheel assembly 3, and left support leg respectively
It is mirror image with right support leg, the driver element base centre position connects driving wheel 2, the driver element base
Side position to the left be provided with brake fluid system 4.The liquid braking device 31 is arranged on liquid braking device installing plate 36, two
The liquid braking device installing plate 36 of support wheel assembly 3 is respectively and fixedly installed on left support leg and right support leg.
Referring to Fig. 2, the support wheel assembly 3 is provided with support wheel body 30, liquid braking device 31, support wheel shaft 33 and hydraulic pressure system
Dynamic device installing plate 36, the support wheel body 30 is by supporting wheel shaft 33 to be arranged on chassis 1.The support wheel shaft 33 and centre bore
Bearing 34 is provided between 3023, bushing 35 is provided between the left leg channel-section steel 21 and the end face of bearing 34.The bearing 34 is two
Double-row angular contact bal bearing.
Referring to Fig. 3, the brake fluid system 4 includes master cylinder 41, hydraulic braking pedal 42, left oil pipe 43 and right oil
Pipe 44.The hydraulic braking pedal 42 is that master cylinder 41 supplies brake fluid to liquid braking device 31 and removes the switch of brake fluid.Institute
State left oil pipe 43 to be connected between the support wheel assembly 3 of left support leg and master cylinder 41, the right oil pipe 44 is connected to right branch
Between the support wheel assembly 3 and master cylinder 41 of support leg.
Referring to Fig. 4, liquid braking device 31 selects model BYDLK-3502100 types, braking diameter Ф 220mm specifications neck,
From shoe brake, specified braking moment dynamic is：500N.M, rated moment static state are：600N.M, specified braking operation pressure
For：10MPa, vehicle about 5500Kgf load carrying capacities can be met.The liquid braking device installing plate 36 is provided with the five of fan-shaped distribution
Individual installation screwed hole 361.
Referring to Fig. 5, the support wheel body 30 includes polyurethane wheel face 301 and wheel rim 302.The polyurethane wheel face 301 is
Be connected in a manner of casting wheel rim 302 it is cylindrical on.The wheel rim 302 is provided with first circular hole in circular hole 3021, second
3022 and centre bore 3023.Circular hole 3021 is conceded to the liquid braking device installing plate 36 in brake fluid system 4 in described first
Space.Circular hole 3022 is engaged with the cylindrical of friction plate 311 in described second.Installation support wheel shaft in the centre bore 3023
33, and by supporting wheel shaft 33 to be connected with chassis 1.
Referring to Fig. 6 and Fig. 7, the left support leg is provided with left branch leg channel-section steel 21 and left branch leg coaming plate 22, the left branch leg groove
Steel 21 is provided with the first mounting hole 211, and the left branch leg coaming plate 22 is provided with the second mounting hole 221, the both ends of the support wheel shaft 33
It is separately mounted in the first mounting hole 211 and the second mounting hole 221, clamping screw 32 is provided with first mounting hole 211, and
Pass through the fastening support wheel shaft 33 of clamping screw 32.The left branch leg channel-section steel 21 is provided with five screw mounting holes 212, five spiral shells
Follow closely mounting hole 212 to be distributed in fan-shaped around the first mounting hole 211, by five screw mounting holes 212 and screw by hydraulic braking
Device installing plate 36 is fixed on left branch leg channel-section steel 21.
In use, driver steps on hydraulic braking pedal 42, brake fluid system 4 gives the conveying braking of liquid braking device 31
Liquid, brake fluid enter liquid braking device 31 after, friction plate 311 deforms laterally, and with second in circular hole 3022 produce friction, after
And locking support wheel assembly 3 forms fork truck service brake.Driver unclamps hydraulic braking pedal 42, and brake fluid system 4 gives liquid
Pressure brake 31 withdraws from brake fluid, releases fork truck service brake.
Above content is not to make any formal limitation to the structure, shape, principle of the present invention.Every foundation present invention
Any simple modification, equivalent change and modification for being made to above example of technical spirit, still fall within the technology of the present invention side
In the range of case.
Claims (10)
1. the reach truck chassis assembly of the support wheel integrated with brake drum with wheel rim, including chassis (1), driving wheel (2)
With two support wheel assemblies (3), the chassis (1) is the U-shaped knot of left support leg, right support leg and driver element base composition
Structure, left support leg and right support the leg end connects a support wheel assembly (3) respectively, and left support leg and right support leg are
Mirror image, the driver element base centre position connection driving wheel (2)；
It is characterized in that：The side position to the left of the driver element base is provided with brake fluid system (4), the support wheel assembly
(3) support wheel body (30), liquid braking device (31), support wheel shaft (33) and liquid braking device installing plate (36), the branch are provided with
Support wheel body (30) is provided with wheel rim (302), and the wheel rim (302) is provided with circular hole (3022) in second, the liquid braking device (31)
Excircle part be circular friction plates (311), the friction plate (311) is engaged with circular hole in second (3022)；The support
Wheel body (30) is by supporting wheel shaft (33) to be arranged on chassis (1)；
The liquid braking device (31) is arranged on liquid braking device installing plate (36), the hydraulic pressure system of two support wheel assemblies (3)
Dynamic device installing plate (36) is respectively and fixedly installed on left support leg and right support leg；
In use, brake fluid system (4) gives liquid braking device (31) conveying brake fluid, brake fluid enters liquid braking device (31)
Afterwards, friction plate (311) deforms laterally, and with second in circular hole (3022) produce friction, then locking support wheel assembly (3) shape
Into fork truck service brake.
2. the reach truck chassis assembly of the support wheel according to claim 1 integrated with brake drum with wheel rim, its
It is characterised by：The support wheel body (30) includes polyurethane wheel face (301) and wheel rim (302)；The polyurethane wheel face (301) is
Be connected in a manner of casting wheel rim (302) it is cylindrical on；The wheel rim (302) is provided with circular hole (3021) and centre bore in first
(3023), circular hole (3021) concedes space to the liquid braking device installing plate (36) in brake fluid system (4) in described first；
Installation support wheel shaft (33) in the centre bore (3023), and by supporting wheel shaft (33) to be connected with chassis (1).
3. the reach truck chassis assembly of the support wheel according to claim 1 integrated with brake drum with wheel rim, its
It is characterised by：The liquid braking device (31) includes friction plate (311), brake cylinder, leads hoof (312) and from hoof (313), described
Brake cylinder is located at friction plate (311) core, the neck hoof (312) and the both sides that brake cylinder is symmetrically distributed in from hoof (313),
Brake cylinder promotes neck hoof (312) and moved out from hoof (313) from inner after brake fluid system (4) supplies brake fluid, and
The internal circular surfaces of friction plate (311) are withstood on, friction plate (311) produces deformation laterally.
4. the reach truck chassis assembly of the support wheel according to claim 1 integrated with brake drum with wheel rim, its
It is characterised by：The left support leg is provided with left branch leg channel-section steel (21) and left branch leg coaming plate (22), and the left branch leg channel-section steel (21) sets
There is the first mounting hole (211), the left branch leg coaming plate (22) is provided with the second mounting hole (221), described to support the two of wheel shaft (33)
End is separately mounted in the first mounting hole (211) and the second mounting hole (221), and locking is provided with first mounting hole (211)
Bolt (32), and pass through clamping screw (32) fastening support wheel shaft (33).
5. the reach truck chassis assembly of the support wheel according to claim 1 integrated with brake drum with wheel rim, its
It is characterised by：The brake fluid system (4) includes master cylinder (41), hydraulic braking pedal (42), left oil pipe (43) and the right side
Oil pipe (44)；The hydraulic braking pedal (42) is that master cylinder (41) supplies brake fluid to liquid braking device (31) and removes brake fluid
Switch；The left oil pipe (43) is connected between the support wheel assembly (3) of left support leg and master cylinder (41), the right oil
Pipe (44) is connected between the support wheel assembly (3) of right support leg and master cylinder (41).
6. the reach truck chassis assembly of the support wheel according to claim 1 integrated with brake drum with wheel rim, its
It is characterised by：The support wheel shaft (33) is provided with bearing (34) and bushing (35), and the bushing (35) gives bearing (34)
Axially position.
7. the reach truck chassis assembly with the brake drum support wheel integrated with wheel rim according to claim 1 or 4,
It is characterized in that：The left branch leg channel-section steel (21) is provided with five screw mounting holes (212), five screw mounting holes (212)
It is distributed around the first mounting hole (211) in fan-shaped, by five screw mounting holes (212) and screw by liquid braking device installing plate
(36) it is fixed on left branch leg channel-section steel (21).
8. the reach truck chassis assembly of the support wheel according to claim 1 integrated with brake drum with wheel rim, its
It is characterised by：The liquid braking device installing plate (36) is provided with five installation screwed holes (361) of fan-shaped distribution.
9. the reach truck chassis assembly of the support wheel according to claim 1 integrated with brake drum with wheel rim, its
It is characterised by：The wheel rim (302) is made using spheroidal graphite cast-iron QT450-10 materials.
10. the reach truck chassis assembly of the support wheel according to claim 6 integrated with brake drum with wheel rim, its
It is characterised by：The bearing (34) is two double-row angular contact bal bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796945.2A CN107585143A (en) | 2017-09-06 | 2017-09-06 | The reach truck chassis assembly of the support wheel integrated with brake drum and wheel rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796945.2A CN107585143A (en) | 2017-09-06 | 2017-09-06 | The reach truck chassis assembly of the support wheel integrated with brake drum and wheel rim |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107585143A true CN107585143A (en) | 2018-01-16 |
Family
ID=61050512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710796945.2A Pending CN107585143A (en) | 2017-09-06 | 2017-09-06 | The reach truck chassis assembly of the support wheel integrated with brake drum and wheel rim |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107585143A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377541A (en) * | 2020-12-21 | 2021-02-19 | 宿迁永泰邦辰知识产权运营管理有限公司 | Noise-reducing brake beam with remarkable noise-reducing effect for vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000052944A (en) * | 1998-08-04 | 2000-02-22 | Toyota Autom Loom Works Ltd | Vehicle drum brake structure and vehicle |
| EP1150124A2 (en) * | 2000-04-25 | 2001-10-31 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Rotation detector in reach cargo vehicle and wheel for reach cargo vehicle |
| US20030152451A1 (en) * | 2002-02-12 | 2003-08-14 | Nippon Yusoki Co., Ltd. | Reach type forklift truck |
| CN204714458U (en) * | 2015-04-07 | 2015-10-21 | 安徽合力股份有限公司 | There is the reach truck chassis assembly of electromagnetic braking support wheel |
| CN106672863A (en) * | 2017-02-14 | 2017-05-17 | 苏州先锋物流装备科技有限公司 | Hydraulic brake applied to reach truck |
| CN206307960U (en) * | 2016-11-10 | 2017-07-07 | 安徽合力股份有限公司 | A kind of reach truck chassis assembly of electromagnetic braking cantilevered support wheel |
| CN207311396U (en) * | 2017-09-06 | 2018-05-04 | 安徽合力股份有限公司 | A kind of fork truck chassis assembly of the support wheel integrated with brake drum with wheel rim |
-
2017
- 2017-09-06 CN CN201710796945.2A patent/CN107585143A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000052944A (en) * | 1998-08-04 | 2000-02-22 | Toyota Autom Loom Works Ltd | Vehicle drum brake structure and vehicle |
| EP1150124A2 (en) * | 2000-04-25 | 2001-10-31 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Rotation detector in reach cargo vehicle and wheel for reach cargo vehicle |
| US20030152451A1 (en) * | 2002-02-12 | 2003-08-14 | Nippon Yusoki Co., Ltd. | Reach type forklift truck |
| CN204714458U (en) * | 2015-04-07 | 2015-10-21 | 安徽合力股份有限公司 | There is the reach truck chassis assembly of electromagnetic braking support wheel |
| CN206307960U (en) * | 2016-11-10 | 2017-07-07 | 安徽合力股份有限公司 | A kind of reach truck chassis assembly of electromagnetic braking cantilevered support wheel |
| CN106672863A (en) * | 2017-02-14 | 2017-05-17 | 苏州先锋物流装备科技有限公司 | Hydraulic brake applied to reach truck |
| CN207311396U (en) * | 2017-09-06 | 2018-05-04 | 安徽合力股份有限公司 | A kind of fork truck chassis assembly of the support wheel integrated with brake drum with wheel rim |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377541A (en) * | 2020-12-21 | 2021-02-19 | 宿迁永泰邦辰知识产权运营管理有限公司 | Noise-reducing brake beam with remarkable noise-reducing effect for vehicle |
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Application publication date: 20180116 |