CN115092245A - Electric power-assisted steering mechanism of explosion-proof storage battery tractor - Google Patents
Electric power-assisted steering mechanism of explosion-proof storage battery tractor Download PDFInfo
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- CN115092245A CN115092245A CN202210853381.2A CN202210853381A CN115092245A CN 115092245 A CN115092245 A CN 115092245A CN 202210853381 A CN202210853381 A CN 202210853381A CN 115092245 A CN115092245 A CN 115092245A
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- steering
- explosion
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- electric power
- battery tractor
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- 230000007246 mechanism Effects 0.000 title claims abstract description 31
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000009467 reduction Effects 0.000 claims description 14
- 238000004880 explosion Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0421—Electric motor acting on or near steering gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
Abstract
The invention provides an electric power-assisted steering mechanism of an explosion-proof storage battery tractor, which comprises a steering motor which is horizontally arranged, wherein an output shaft of the steering motor is connected with a right-angle reducer, an output shaft of the right-angle reducer is connected with a small gear which is positioned below the right-angle reducer and is vertically arranged, and the axis of the small gear is meshed with an annular big gear which is vertically arranged; the upper surface of the annular big gear is connected with a top mounting plate connected with a frame of the explosion-proof storage battery tractor, the top mounting plate is of an 8-shaped structure and comprises a small hole used for penetrating through an output shaft of the right-angle speed reducer, and a large hole aligned with the annular hole of the annular big gear is formed in one side of the small hole; the lower surface of the annular big gear is connected with a steering combination 5. The invention has simple structure and small volume, the turning diameter is reduced to 2m from the original 7.5m, and the operation flexibility is improved; meanwhile, the height of the whole vehicle is reduced to 0.6m from the original 1.6m, the height of the seat is reduced to 0.5m from 1.2m, and the weight of the structural member is reduced.
Description
Technical Field
The invention relates to the technical field of tractors, in particular to an electric power-assisted steering mechanism of an explosion-proof storage battery tractor.
Background
The explosion-proof accumulator tractor is a turnover transport vehicle using explosion-proof accumulator as energy source, and is suitable for road surface and track, and can be used in mine area, cave depot and other places. The invention patent (publication No. CN103332082B) discloses a multifunctional chassis of a track tractor, which comprises a frame, a track running mechanism, a road running mechanism and a running state conversion device, wherein the multifunctional chassis of the track tractor provided by the patent has two sets of independent running systems, has small volume, large traction force, safety and reliability, and can effectively meet the cargo transferring requirements of mining areas and cave depots.
For the tractor provided by the patent, the chassis of the tractor is higher due to the fact that a steering mechanism adopts hydraulic transmission, the height of the whole tractor reaches 1.6m, the height of a driver sitting on a seat reaches 1.2m, the turning diameter is about 7.5m, and the height of a towing hook is only 0.3 m. The tractor provided by the above patent therefore has the following disadvantages: firstly, the vehicle is high, the height of the towing hook is low, and the visual field of a driver has certain limitation; secondly, the driver seat is too high and is poor in man-machine friendliness; thirdly, the turning radius is too large, which limits the application range of the tractor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the electric power-assisted steering mechanism of the anti-explosion storage battery tractor, which replaces hydraulic transmission of the steering mechanism with motor transmission, so that the steering mechanism occupies a reduced space, the turning radius of the tractor is reduced, the height of a chassis of the tractor is reduced, and further the height of a driver seat and the height of the whole tractor are reduced.
In order to achieve the purpose, the invention designs an electric power-assisted steering mechanism of an explosion-proof storage battery tractor, which comprises a steering motor horizontally arranged, and is characterized in that: the output shaft of the steering motor is connected with a right-angle reducer, the output shaft of the right-angle reducer is connected with a small gear which is positioned below the right-angle reducer and is vertically arranged in an axis manner, the small gear is meshed with an annular big gear which is vertically arranged in an axis manner, and the small gear and the annular big gear form a reduction gear set; the upper surface of the annular big gear is connected with a top mounting plate connected with a frame of the explosion-proof storage battery tractor, the top mounting plate is in an 8-shaped structure and comprises a small hole used for penetrating through an output shaft of the right-angle reducer, and a large hole aligned with the annular hole of the annular big gear is formed in one side of the small hole; the lower surface of the annular large gear is connected with a steering seat with an n-shaped vertical section, a steering shaft horizontally arranged is erected in the middle of the n-shaped steering seat, road surface steering wheels are connected around the steering shaft, and the steering seat, the steering shaft and the road surface steering wheels form a steering combination.
Furthermore, an annular groove is formed in the periphery of the lower surface of the top mounting plate along the large hole, and the upper surface of the large gear part is embedded in the annular groove.
Furthermore, first mounting holes in threaded connection with the annular gear wheel are formed in the periphery of the annular groove.
Furthermore, a second mounting hole which is connected with the frame of the explosion-proof battery tractor through threads is formed in the periphery of the top mounting plate.
Furthermore, a hole for the arc-shaped part of the road surface steering wheel to extend out is drilled on the upper surface of the steering seat II corresponding to the road surface steering wheel.
Furthermore, a rim is fixedly arranged on the outer periphery of the steering shaft, a flange plate capable of extending to the position of the rim is fixedly arranged on the inner periphery of the road surface steering wheel, and the rim is connected with the flange plate through threads.
Furthermore, the output shaft of the steering motor is connected with the input end of the right-angle speed reducer through a key.
Further, the output shaft of the right-angle speed reducer is connected with the pinion through a key.
The invention has the advantages that:
1. the steering motor outputs torque, the output end of the steering motor transmits the torque to the right-angle reducer through key connection, the output end of the right-angle reducer transmits the torque to a small gear in the reduction gear set through key connection, the small gear transmits the torque to an annular large gear in the reduction gear set, and the annular large gear transmits the torque to a road surface steering wheel in a steering combination, so that the road surface steering wheel realizes universal steering;
2. the output end of a right-angle reducer is connected with a pinion in a reduction gear set, the pinion penetrates through the output end of the right-angle reducer through a small hole in a top mounting plate with an 8-shaped structure, the pinion is connected with the upper surface of an annular big gear through a flange structure of a large hole in the top mounting plate with the 8-shaped structure, the lower surface of the annular big gear is connected with a steering combination, and the reduction gear set is connected to a frame through the top mounting plate; compared with hydraulic transmission, the electric power steering mechanism provided by the invention has the advantages that the occupied space is reduced, the turning radius of the tractor is reduced, the height of a chassis of the tractor is reduced, and further the height of a driver seat and the height of the whole tractor are reduced;
the electric power-assisted steering mechanism of the explosion-proof storage battery tractor has a simple structure and a small volume, the turning diameter is reduced to 2m from the original 7.5m, and the operation flexibility is improved; meanwhile, the height of the whole vehicle is reduced to 0.6m from the original 1.6m, the height of a seat is reduced to 0.5m from 1.2m, the weight of a structural member is reduced, and the safety and the man-machine friendliness of the explosion-proof storage battery tractor are obviously improved.
Drawings
FIG. 1 is a schematic perspective view of an electric power steering mechanism of an explosion-proof battery tractor according to the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
FIG. 4 is a schematic top view of the top mounting plate of FIG. 1;
FIG. 5 is a schematic bottom view of the top mounting plate of FIG. 1;
FIG. 6 is a perspective view of the steering assembly of FIG. 1;
FIG. 7 is a schematic view of the mounting of the explosion proof battery tractor electric power steering mechanism of the present invention;
in the figure: the steering gear comprises a steering motor 1, a right-angle reducer 2, a top mounting plate 3, a reduction gear set 4 and a steering combination 5;
the top mounting plate 3 includes: a small hole 3a, a large hole 3b, an annular groove 3c, a first mounting hole 3d, and a second mounting hole 3 e;
the reduction gear set 4 includes: a pinion 4a, an annular bull gear 4 b;
the steering group 5 comprises: a steering base 5a, a steering shaft 5b, and road surface steering wheels 5 c;
the steering seat 5a includes: a hole 5 a-1;
the steering shaft 5b includes: a rim 5 b-1;
the road surface turning wheel 5c includes: flange 5 c-1.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the invention.
The electric power-assisted steering mechanism of the explosion-proof storage battery tractor comprises a steering motor 1 which is horizontally arranged, wherein an output shaft of the steering motor 1 is connected with a right-angle reducer 2, an output shaft of the right-angle reducer 2 is connected with a small gear 4a which is positioned below the right-angle reducer 2 and is vertically arranged along the axis, the small gear 4a is meshed with an annular big gear 4b which is vertically arranged along the axis, and the small gear 4a and the annular big gear 4b form a reduction gear set 4; the upper surface of the annular big gear 4b is connected with a top mounting plate 3 connected with a frame of the explosion-proof storage battery tractor, the top mounting plate 3 is of an 8-shaped structure and comprises a small hole 3a used for penetrating through an output shaft of the right-angle speed reducer 2, and a large hole 3b aligned with an annular hole of the annular big gear 4b is formed in one side of the small hole 3 a; the lower surface of the annular big gear wheel 4b is connected with a steering seat 5a with a n-shaped vertical section, a steering shaft 5b horizontally arranged is erected in the middle of the n-shaped steering seat 5a, the periphery of the steering shaft 5b is connected with a road surface steering wheel 5c, and the steering seat 5a, the steering shaft 5b and the road surface steering wheel 5c form a steering combination 5.
The output end of the right-angle speed reducer 2 is connected with a pinion 4a in the speed reduction gear set 4 through a key, the pinion penetrates through the output end of the right-angle speed reducer 2 through a small hole 3a in the top mounting plate 3 with the 8-shaped structure, the pinion is connected with the upper surface of the annular big gear through a flange structure of a large hole 3b in the top mounting plate 3 with the 8-shaped structure, and the lower surface of the annular big gear 4b is connected with the steering combination 5.
Preferably, the lower surface of the top mounting plate 3 is provided with an annular groove 3c along the periphery of the large hole 3b, and the partial upper surface of the annular large gear 4b is embedded in the annular groove 3 c. Specifically, the annular groove 3c is provided with first mounting holes 3d around, which are in threaded connection with the bull gear 4 b. Namely, the top mounting plate 3 forms a flange structure along the periphery of the large hole 3b, and the upper surface of the part 4b of the ring-shaped large gear is connected with the flange structure of the top mounting plate 3. And a second mounting hole 3e which is in threaded connection with the frame of the explosion-proof storage battery tractor is formed in the periphery of the top mounting plate 3. The special connecting structure can effectively reduce the volume of the steering mechanism, reduce the height of the whole vehicle and improve the passenger experience.
The steering combination 5 is an actuating element of a steering mechanism, and a hole 5a-1 for the arc-shaped part of the road surface steering wheel 5c to extend out is drilled on the upper surface of the steering seat 5a II corresponding to the road surface steering wheel 5c, so that the height of the steering combination 5 can be further reduced.
Specifically, a rim 5b-1 is fixedly arranged on the outer periphery of the steering shaft 5b, a flange 5c-1 capable of extending to the rim 5b-1 is fixedly arranged on the inner periphery of the road surface steering wheel 5c, and the rim 5b-1 and the flange 5c-1 are connected through threads.
Specifically, the output shaft of the steering motor 1 is connected with the input end of the right-angle speed reducer 2 through a key.
Specifically, the output shaft of the right-angle speed reducer 2 is connected with the pinion 4a through a key.
The integral structure of the steering mechanism adopts a screw connection mode, and the maintainability and the reliability of the steering mechanism are ensured.
Output torque path in the present invention: the rotary encoder of tractor steering wheel gives vehicle control unit with rotation signal transmission, vehicle control unit gives motor drive with rotation signal transmission, motor drive gives rotation signal transmission and turns to motor 1, turn to 1 output of motor and transmit the moment of torsion to right angle reduction gear 2 through the key-type connection, 2 output of right angle reduction gear transmits the pinion 4a in the reduction gear set 4 with the moment of torsion through the key-type connection, pinion 4a transmits the moment of torsion to the annular gear wheel 4b in the reduction gear set 4, annular gear wheel 4b transmits the moment of torsion to the road surface directive wheel 5c that turns to in the combination 5, thereby make the road surface directive wheel realize universal the turning.
As shown in fig. 7, fig. 7 is a schematic view of the installation of the electric power steering mechanism of the anti-explosion battery tractor according to the present invention, in a road running state, the rear wheels are driving wheels, and the front wheels use the electric power steering mechanism of the anti-explosion battery tractor as steering driven wheels and support a chassis.
The electric power-assisted steering mechanism of the explosion-proof storage battery tractor has a simple structure and a small volume, the turning diameter is reduced to 2m from the original 7.5m, and the operation flexibility is improved; meanwhile, the height of the whole vehicle is reduced to 0.6m from the original 1.6m, the height of the seat is reduced to 0.5m from 1.2m, the weight of the structural member is reduced, the lightweight design is an important factor for guaranteeing the endurance mileage, and the safety and the man-machine friendliness of the explosion-proof storage battery tractor are obviously improved.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such modifications are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides an explosion-proof battery tractor electric power assisted steering mechanism, includes steering motor (1) that the level was arranged, its characterized in that: an output shaft of the steering motor (1) is connected with a right-angle reducer (2), an output shaft of the right-angle reducer (2) is connected with a pinion (4a) which is positioned below the right-angle reducer (2) and is vertically arranged, the pinion (4a) is meshed with an annular gearwheel (4b) which is vertically arranged, and the pinion (4a) and the annular gearwheel (4b) form a reduction gear set (4); the upper surface of the annular big gear (4b) is connected with a top mounting plate (3) connected with a frame of the explosion-proof storage battery tractor, the top mounting plate (3) is of an 8-shaped structure and comprises a small hole (3a) used for penetrating through an output shaft of the right-angle speed reducer (2), and a large hole (3b) aligned with the annular hole of the annular big gear (4b) is formed in one side of the small hole (3 a); the lower surface of the annular large gear (4b) is connected with a steering seat (5a) with an n-shaped vertical section, a steering shaft (5b) horizontally arranged is erected in the middle of the n-shaped steering seat (5a), road surface steering wheels (5c) are connected to the periphery of the steering shaft (5b), and the steering seat (5a), the steering shaft (5b) and the road surface steering wheels (5c) form a steering combination (5).
2. The explosion-proof battery tractor electric power steering mechanism of claim 1, characterized in that: the lower surface of the top mounting plate (3) is provided with an annular groove (3c) along the periphery of the large hole (3b), and the upper surface of the part of the large gear (4b) is embedded in the annular groove (3 c).
3. The explosion proof battery tractor electric power steering mechanism of claim 2, characterized in that: and first mounting holes (3d) which are connected with the annular large gear (4b) through threads are formed in the periphery of the annular groove (3 c).
4. The explosion-proof battery tractor electric power steering mechanism of claim 3, characterized in that: and a second mounting hole (3e) which is connected with the frame of the explosion-proof storage battery tractor through threads is formed in the periphery of the top mounting plate (3).
5. The explosion-proof battery tractor electric power steering mechanism of claim 1, characterized in that: a hole (5a-1) for the arc-shaped part of the road surface steering wheel (5c) to extend out is drilled on the upper surface of the steering seat (5a) n-shaped corresponding to the road surface steering wheel (5 c).
6. The explosion-proof battery tractor electric power steering mechanism of claim 1, characterized in that: the steering wheel is characterized in that a rim (5b-1) is fixedly arranged on the outer periphery of the steering shaft (5b), a flange plate (5c-1) capable of extending to the rim (5b-1) is fixedly arranged on the inner periphery of the road surface steering wheel (5c), and the rim (5b-1) is in threaded connection with the flange plate (5 c-1).
7. The explosion-proof battery tractor electric power steering mechanism of claim 1, characterized in that: and the output shaft of the steering motor (1) is connected with the input end of the right-angle speed reducer (2) through a key.
8. The explosion-proof battery tractor electric power steering mechanism of claim 1, characterized in that: the output shaft of the right-angle speed reducer (2) is connected with the pinion (4a) through a key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210853381.2A CN115092245A (en) | 2022-07-08 | 2022-07-08 | Electric power-assisted steering mechanism of explosion-proof storage battery tractor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210853381.2A CN115092245A (en) | 2022-07-08 | 2022-07-08 | Electric power-assisted steering mechanism of explosion-proof storage battery tractor |
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| CN115092245A true CN115092245A (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210853381.2A Pending CN115092245A (en) | 2022-07-08 | 2022-07-08 | Electric power-assisted steering mechanism of explosion-proof storage battery tractor |
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| CN (1) | CN115092245A (en) |
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| JP2003170836A (en) * | 2001-12-07 | 2003-06-17 | Nissan Motor Co Ltd | Vehicle steering device provided with lock mechanism |
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| CN205836922U (en) * | 2016-06-12 | 2016-12-28 | 安徽合力股份有限公司 | A kind of charged vertical driving device turned to |
| CN206086961U (en) * | 2016-09-26 | 2017-04-12 | 盐城工学院 | High load AGV dolly based on PLC control |
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| CN112319599A (en) * | 2020-08-04 | 2021-02-05 | 中国船舶重工集团公司第七一三研究所 | High-speed omni-directional wheel system of intelligent omni-directional transmission and rotation platform |
| CN214823591U (en) * | 2021-07-26 | 2021-11-23 | 湖北恒隆汽车系统集团有限公司 | Two-stage bevel gear power-assisted assembly structure of electric circulating ball steering gear |
| CN114044466A (en) * | 2021-12-14 | 2022-02-15 | 合肥搬易通科技发展有限公司 | Independent electronic steering axle and four-fulcrum counterweight type forklift |
-
2022
- 2022-07-08 CN CN202210853381.2A patent/CN115092245A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003170836A (en) * | 2001-12-07 | 2003-06-17 | Nissan Motor Co Ltd | Vehicle steering device provided with lock mechanism |
| EP1614935A1 (en) * | 2004-07-07 | 2006-01-11 | Koyo Seiko Co., Ltd. | Worm wheel and electric power steering system |
| US20080230284A1 (en) * | 2007-03-23 | 2008-09-25 | Benjamin Warren Schoon | Offset drive system for utility vehicles |
| CN201999053U (en) * | 2010-12-30 | 2011-10-05 | 杭叉集团股份有限公司 | Steering device of tractor |
| CN104856614A (en) * | 2015-06-01 | 2015-08-26 | 周生方 | Universal wheel movement state detection device for floor-sweeping robot |
| CN205836922U (en) * | 2016-06-12 | 2016-12-28 | 安徽合力股份有限公司 | A kind of charged vertical driving device turned to |
| CN206086961U (en) * | 2016-09-26 | 2017-04-12 | 盐城工学院 | High load AGV dolly based on PLC control |
| CN110254507A (en) * | 2019-06-26 | 2019-09-20 | 杭叉集团股份有限公司 | A kind of shift-forward type electric power steering mechanism |
| CN112319599A (en) * | 2020-08-04 | 2021-02-05 | 中国船舶重工集团公司第七一三研究所 | High-speed omni-directional wheel system of intelligent omni-directional transmission and rotation platform |
| CN214823591U (en) * | 2021-07-26 | 2021-11-23 | 湖北恒隆汽车系统集团有限公司 | Two-stage bevel gear power-assisted assembly structure of electric circulating ball steering gear |
| CN114044466A (en) * | 2021-12-14 | 2022-02-15 | 合肥搬易通科技发展有限公司 | Independent electronic steering axle and four-fulcrum counterweight type forklift |
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