CN107140024B - Running gear of adjustable tire inclination - Google Patents
Running gear of adjustable tire inclination Download PDFInfo
- Publication number
- CN107140024B CN107140024B CN201710476641.8A CN201710476641A CN107140024B CN 107140024 B CN107140024 B CN 107140024B CN 201710476641 A CN201710476641 A CN 201710476641A CN 107140024 B CN107140024 B CN 107140024B
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- support
- tire
- bracket
- outer support
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D17/00—Means on vehicles for adjusting camber, castor, or toe-in
Abstract
The invention discloses a traveling device capable of adjusting the inclination angle of a tire, which comprises an outer bracket, an inner bracket, a rotary support, a positioning pin, a tire driving device, a steering cylinder and a tire, wherein the outer bracket is arranged on the inner bracket; the tire driving device and the tire are fixedly connected to the inner support, the outer support is axially and rotatably connected with the frame through the rotary support, the outer support is covered outside the inner support and hinged to the inner support, the outer support and the inner support are fixedly connected in a positioning mode through the positioning pin, and the piston rod end of the steering oil cylinder is hinged to the outer support. The tire is fixedly connected with the inner support, the inner support and the outer support can be connected in a relative rotating way, and according to the angle of the travelling route of the tunnel pavement, the inclination angle of the tire on the inner support and the inclination angle of the tire on the outer support are adjusted, and the inner support and the outer support are fixedly connected to realize positioning, so that the tire and the tunnel pavement are tightly attached to each other for travelling, the travelling stability is ensured, and the service life of the tire is prolonged.
Description
Technical Field
The invention relates to the field of tire running devices, in particular to a running device capable of adjusting the inclination angle of a tire.
Background
In tunnel construction, when the track is not laid, the lifting and transferring of weights in the tunnel are completed by a special subway rail laying vehicle. The running gear of the subway rail-laying vehicle is a wheel rail type, namely, a temporary auxiliary rail is required to be installed and fixed on a circular duct piece by using foundation bolts before running, the wheel rail type subway rail-laying vehicle walks on a track without steering function, the temporary auxiliary rail is paved to not only cause damage to the subway tunnel duct piece, but also greatly reduce manpower required for installing and detaching the auxiliary rail, and directly influence the efficiency, safety and cost of subway construction; the other is a tire type subway rail-laying vehicle, the inclination angle of a tire of a travelling device of the tire type subway rail-laying vehicle is not adjustable, the tire type subway rail-laying vehicle cannot be well suitable for construction of different duct pieces and different spans, and the abrasion of the tire is easily increased when the inclination angle of the tire is not matched with the radian of a tunnel road surface.
Disclosure of Invention
The invention aims to solve the technical problem of providing the running gear with the adjustable tire inclination angle, wherein the inclination angle of the tire is adjusted according to the angle of a running route of a tunnel road surface, so that the tire and the tunnel road surface are tightly attached to each other for running, the running stability is ensured, and the service life of the tire is prolonged.
The technical scheme of the invention is as follows:
the utility model provides a running gear of adjustable tire inclination, includes outer support, inner support, gyration support, locating pin, tire drive arrangement, steering cylinder and tire;
the outer bracket is formed by welding an outer bracket top plate and two outer bracket side plates; the inner bracket is formed by welding an inner bracket top plate, two inner bracket side plates and a front mounting plate;
the outer support is covered outside the inner support, and the two outer support side plates are hinged with the two inner support side plates in a one-to-one correspondence manner, so that the inner support can rotate around the master pin relative to the outer support; the two inner support side plates are respectively provided with an inner positioning hole, the two outer support side plates are respectively provided with a plurality of outer positioning holes, the outer positioning holes on the outer support side plates are in arc arrangement and correspond to one inner positioning hole on the inner support side plate, and the positioning pins respectively penetrate through any outer positioning hole of the corresponding outer support and the inner positioning hole of the corresponding inner support to fixedly connect the outer support and the inner support;
a rotary support is arranged above the outer bracket, an inner ring of the rotary support is fixedly connected with the top plate of the outer bracket, an outer ring of the rotary support is fixedly connected with the frame, and balls are arranged between the inner ring and the outer ring of the rotary support, so that the outer bracket and the frame are axially and rotationally connected, one end of a steering cylinder is fixed on the frame, and a piston rod end of the steering cylinder is hinged with the outer bracket;
the tire driving device is characterized in that a connecting mounting hole is formed in the front mounting plate of the inner support, the tire driving device is fixed on the front mounting plate, and the output end of the tire driving device penetrates through the connecting mounting hole of the front mounting plate and is fixedly connected with the rim of the tire.
The outer support also comprises a front connecting plate which is connected between the two outer support side plates and the top end of which is connected with the support top plate, a motor yielding groove is arranged at the bottom end of the front connecting plate, and the tire driving device extends out from the lower part of the front connecting plate.
The front connecting plate is fixedly provided with a steering lug extending forwards, and the piston rod end of the steering oil cylinder is hinged with the steering lug.
The inner support side plate and the outer support side plate are correspondingly hinged through the master pin, and the other inner support side plate and the other outer support side plate are correspondingly hinged through the master pin, so that the inner support can rotate around the master pin relative to the outer support.
After the locating pin sequentially passes through any outer locating hole corresponding to the outer bracket and the inner locating hole corresponding to the inner bracket, the bolts all pass through the bolt heads corresponding to the locating pin, an outer bracket side plate and an inner bracket side plate to fixedly connect the inner bracket and the outer bracket.
The tire driving device selects a speed reducer motor with a parking brake.
The invention has the advantages that:
the tire type subway rail laying vehicle is adopted, so that the work of building an auxiliary rail by the tire type subway rail laying vehicle is omitted, the construction flow is greatly simplified, the construction efficiency is improved, and the use cost is reduced; the tire is fixedly connected with the inner support, the inner support and the outer support can be connected in a relative rotation manner, and according to the angle of a travelling route of a tunnel road surface, the inclination angle of the tire on the inner support and the inclination angle of the tire on the outer support are adjusted, and the inner support and the outer support are fixedly connected to realize positioning, so that the tire and the tunnel road surface are tightly attached to each other for travelling, the travelling stability is ensured, and the service life of the tire is prolonged; the outer support and the frame are axially and rotatably connected by adopting the rotary support, the outer support is connected with a piston rod of the steering oil cylinder, the steering oil cylinder drives the outer support to rotate, and the outer support drives the inner support and the tire to rotate together, so that the steering running of the tire is realized; the tyre driving device selects the speed reducer motor with the parking brake, thereby controlling the driving and braking of the tyre.
Drawings
Fig. 1 is a front view of the present invention mounted to a vehicle frame.
Fig. 2 is a right side view of the present invention mounted to a vehicle frame.
Fig. 3 is a top view of the present invention.
Fig. 4 is a right side view of the outer bracket of the present invention.
Fig. 5 is a rear view of the outer bracket of the present invention.
Fig. 6 is a right side view of the inner support of the present invention.
Fig. 7 is a rear view of the inner support of the present invention.
Fig. 8 is a state diagram of the tire of the present invention traveling on a horizontal road surface.
Fig. 9 is a state diagram of the tire of the present invention traveling on an arcuate road surface.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
1-3, a running gear with an adjustable tire inclination angle comprises an outer bracket 1, an inner bracket 2, a slewing bearing 3, a master pin 7, two positioning pins 8, a tire driving device 4, a steering cylinder 5 and a tire 6;
referring to fig. 4 and 5, the outer bracket 1 is formed by welding an outer bracket top plate 11, two outer bracket side plates 12 and a front connecting plate 13, and a motor yielding groove 14 is arranged at the bottom end of the front connecting plate 13; referring to fig. 6 and 7, the inner bracket 2 is formed by welding an inner bracket top plate 21, two bracket top plates 21 and a front mounting plate 23;
the outer bracket 1 is covered outside the inner bracket 2, one inner bracket side plate 22 and one outer bracket side plate 12 are correspondingly hinged through a master pin 7, and the other inner bracket side plate 22 and the other outer bracket side plate 12 are correspondingly hinged through the master pin 7, so that the inner bracket 2 can rotate around the master pin 7 relative to the outer bracket 1; the two inner support side plates 22 are respectively provided with an inner positioning hole 24, the two outer support side plates 12 are respectively provided with three outer positioning holes 15, the three outer positioning holes 15 are arranged in an arc shape and correspond to one inner positioning hole 24 on the inner support side plates 22, after two positioning pins 8 respectively pass through the corresponding inner positioning holes 24 and any outer positioning hole 15, four positioning bolts 81 respectively pass through the bolt heads of the corresponding positioning pins 8, one outer support side plate 12 and one inner support side plate 22 to fixedly connect the inner support 2 with the outer support 1;
a rotary support 3 is arranged above the outer bracket 1, an inner ring of the rotary support 3 is fixedly connected with an outer bracket top plate 21, balls are arranged between the inner ring and the outer ring of the rotary support 3, so that the outer bracket 1 is axially and rotationally connected with a frame 10, a steering cylinder 5 is fixed on the frame 10, a steering lug 16 extending forwards is fixedly arranged on a front connecting plate 13, and a piston rod end of the steering cylinder 5 is hinged with the steering lug 16;
the front mounting plate 23 of the inner bracket 2 is provided with a connecting mounting hole 25, the tire driving device 4 is fixed on the front end surface of the front mounting plate 23 and extends out from the lower part of the front connecting plate 13, and the output end of the tire driving device 4 passes through the connecting mounting hole 25 of the front mounting plate and is fixedly connected with the rim 9 of the tire 6.
Wherein, the tyre driving device 4 selects a speed reducer motor with a parking brake, thereby controlling the driving and braking of the tyre; the slewing bearing 3 can also adopt a slewing bearing with a worm and a worm gear to replace the steering oil cylinder 5 to realize steering; the tyre driving device 4 can select a speed reducer motor with a parking brake; the present invention can also be used as a steering driven axle with an adjustable tire angle when the tire driving device 4 is not mounted.
The working principle of the invention is as follows:
referring to fig. 8, when the road surface is a horizontal road surface, the inner positioning hole 24 of the inner bracket 2 is fixedly connected with the outer positioning hole 15 of the outer bracket 1 adjacent to the front connecting plate 13 through the positioning pin 8, and the tire 6 is in a vertical state with the horizontal road surface; when the steering cylinder 5 pushes or pulls the steering lug 16 on the outer bracket 1 to rotate, the steering lug 16 drives the outer bracket 1 hinged with the steering lug to rotate, the outer bracket 1 drives the inner bracket 2 and the tire 6 on the inner bracket to rotate, so that the inner ring and the outer ring of the rotary support 3 rotate relatively, and the tire 6 and the frame 10 rotate relatively, thereby realizing the steering function; the tire driving device 4 selects a speed reducer motor with a parking brake, so that the driving and braking of the tire can be controlled.
Referring to fig. 9, when the road surface is an arc-shaped road surface, according to the angle of the arc-shaped road surface, the inner positioning hole 24 of the inner bracket 1 is fixedly connected with the middle of the outer bracket 1 or the outer positioning hole 15 far away from the front connecting plate 13 through the positioning pin 8 according to the angle requirement, the outer bracket 1 is in a set angle state with the tire 6, the tire 6 is in a vertical state with the arc-shaped road surface, the tire 6 can be ensured to be in contact with the road surface to the greatest extent, the bearing characteristic of the axle is improved, and the abrasion of the tire is reduced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a running gear of adjustable tire inclination which characterized in that: comprises an outer bracket, an inner bracket, a rotary support, a positioning pin, a tire driving device, a steering cylinder and a tire;
the outer support is formed by welding an outer support top plate, two outer support side plates and a front connecting plate, wherein the front connecting plate is connected between the two outer support side plates, the top end of the front connecting plate is connected with the support top plate, a motor yielding groove is formed in the bottom end of the front connecting plate, and a steering lug extending forwards is fixedly arranged on the front connecting plate;
the inner bracket is formed by welding an inner bracket top plate, two inner bracket side plates and a front mounting plate;
the outer support is covered outside the inner support, one inner support side plate and one outer support side plate are correspondingly hinged through a master pin, and the other inner support side plate and the other outer support side plate are correspondingly hinged through the master pin, so that the inner support can rotate around the master pin relative to the outer support; the two inner support side plates are respectively provided with an inner positioning hole, the two outer support side plates are respectively provided with a plurality of outer positioning holes, the outer positioning holes on the outer support side plates are in arc arrangement and correspond to one inner positioning hole on the inner support side plate, and the positioning pins respectively penetrate through any outer positioning hole of the corresponding outer support and the inner positioning hole of the corresponding inner support to fixedly connect the outer support and the inner support;
a rotary support is arranged above the outer support, an inner ring of the rotary support is fixedly connected with the top plate of the outer support, an outer ring of the rotary support is fixedly connected with the frame, and balls are arranged between the inner ring and the outer ring of the rotary support, so that the outer support and the frame are axially and rotationally connected, one end of a steering cylinder is fixed on the frame, and a piston rod end of the steering cylinder is hinged with a steering support lug;
the tire driving device is fixed on the front mounting plate and extends out from the lower part of the front connecting plate, and the output end of the tire driving device passes through the connecting mounting hole of the front mounting plate and is fixedly connected with the rim of the tire.
2. The running gear of claim 1, wherein the tire inclination angle is adjustable, and wherein: after the locating pin sequentially passes through any outer locating hole corresponding to the outer bracket and the inner locating hole corresponding to the inner bracket, the bolts all pass through the bolt heads corresponding to the locating pin, an outer bracket side plate and an inner bracket side plate to fixedly connect the inner bracket and the outer bracket.
3. The running gear of claim 1, wherein the tire inclination angle is adjustable, and wherein: the tire driving device selects a speed reducer motor with a parking brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476641.8A CN107140024B (en) | 2017-06-21 | 2017-06-21 | Running gear of adjustable tire inclination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476641.8A CN107140024B (en) | 2017-06-21 | 2017-06-21 | Running gear of adjustable tire inclination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107140024A CN107140024A (en) | 2017-09-08 |
| CN107140024B true CN107140024B (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710476641.8A Active CN107140024B (en) | 2017-06-21 | 2017-06-21 | Running gear of adjustable tire inclination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107140024B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107618325A (en) * | 2017-10-26 | 2018-01-23 | 株洲旭阳机电科技开发有限公司 | Combined concrete conveyance tank car |
| CN109263718B (en) * | 2018-11-12 | 2023-11-03 | 孝感雄坤隧道装备有限公司 | Pull rod steering, balance suspension and inclination angle adjustable unitized running gear |
| CN110774845B (en) * | 2019-11-05 | 2021-08-17 | 中铁重工有限公司 | Tunnel tyre wheel-rail interchange type vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890885A (en) * | 2009-05-22 | 2010-11-24 | 上海保隆汽车科技股份有限公司 | Angle adjustable tire pressure sensing device |
| CN102673334A (en) * | 2012-05-21 | 2012-09-19 | 北京市三一重机有限公司 | Independent traveling unit and vehicle |
| TW201716260A (en) * | 2015-11-03 | 2017-05-16 | 國立屏東科技大學 | Adjustable length vehicle chassis |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4311139B2 (en) * | 2003-09-12 | 2009-08-12 | トヨタ自動車株式会社 | Wheel structure |
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2017
- 2017-06-21 CN CN201710476641.8A patent/CN107140024B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890885A (en) * | 2009-05-22 | 2010-11-24 | 上海保隆汽车科技股份有限公司 | Angle adjustable tire pressure sensing device |
| CN102673334A (en) * | 2012-05-21 | 2012-09-19 | 北京市三一重机有限公司 | Independent traveling unit and vehicle |
| TW201716260A (en) * | 2015-11-03 | 2017-05-16 | 國立屏東科技大學 | Adjustable length vehicle chassis |
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| Publication number | Publication date |
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| CN107140024A (en) | 2017-09-08 |
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| PB01 | Publication | ||
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Address after: Wangjiang Road in Baohe District of Hefei city of Anhui Province, No. 96 230023 Applicant after: CHINA TIESIJU CIVIL ENGINEERING Group Applicant after: XIAOGAN XIONGKUN TUNNEL EQUIPMENT Co.,Ltd. Address before: 230023 technical center of China Railway four Bureau, No. 96 Wangjiang East Road, Anhui, 618, Hefei Applicant before: CHINA TIESIJU CIVIL ENGINEERING Group Applicant before: XIAOGAN XIONGKUN TUNNEL EQUIPMENT Co.,Ltd. |
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