CN111088732A - Automatic clamping and positioning device for transporting steel rails - Google Patents
Automatic clamping and positioning device for transporting steel rails Download PDFInfo
- Publication number
- CN111088732A CN111088732A CN201911308548.1A CN201911308548A CN111088732A CN 111088732 A CN111088732 A CN 111088732A CN 201911308548 A CN201911308548 A CN 201911308548A CN 111088732 A CN111088732 A CN 111088732A
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- Prior art keywords
- clamping
- actuating
- positioning device
- wedge block
- positioning
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The utility model provides a transport automatic clamping positioner for rail, belongs to railway transportation and equips technical field, in particular to transport clamping positioner that rail was used. The key technology is that an actuating oil cylinder is arranged on one side wall of the box body, clamping arms are arranged in the box body through a rotating shaft, an actuating wedge block is arranged between the clamping arms, positioning wedge blocks are arranged on two sides of the actuating wedge block and are in contact with the lower ends of the clamping arms, a piston rod is arranged on the actuating wedge block through a shaft hole, and the piston rod is connected with the actuating oil cylinder. The invention has the beneficial effects that: the hydraulic control system is adopted to control the switching state conversion of the clamping device, so that the manual labor intensity is greatly reduced, the use is more convenient, the locking reliability and the transportation efficiency are improved, and the steel rail cannot be damaged; the invention can skillfully control the rotation angles of the two clamping arms by the matching inclined plane between the actuating wedge block and the positioning wedge block, thereby controlling the opening and closing degree of the two clamping arms, preventing the steel rail from tipping and bouncing, and greatly improving the safety of the railway transportation steel rail.
Description
Technical Field
The invention belongs to the technical field of railway transportation equipment, and particularly relates to a clamping and positioning device for transporting steel rails.
Background
The clamping and positioning device is a device for clamping and positioning the long steel rail when the rail transporting vehicle group transports the long steel rail, and preventing the steel rail from tipping and leaping up in the transportation process. At present, in common equipment, a rail is clamped by applying pressure to the top surface of the head of the rail through a clamping beam so as to lock the rail. The clamping beam is formed by welding channel steel and steel plates, is provided with locking weights, locking bolts and other parts, and is provided with locking wrenches. The clamping mode is mostly operated by manually carrying the clamping beam and then using a locking wrench, and has the defects of high labor intensity, low efficiency, low safety and easy damage to the steel rail.
Disclosure of Invention
The invention aims to solve the problem of providing the automatic clamping and positioning device for the transportation steel rail, which can greatly reduce the labor intensity. The technical scheme is as follows:
the key technology is that an actuating oil cylinder is arranged on one side wall of the box body, clamping arms are arranged in the box body through a rotating shaft, an actuating wedge block is arranged between the clamping arms, positioning wedge blocks are arranged on two sides of the actuating wedge block and are in contact with the lower ends of the clamping arms, a piston rod is arranged on the actuating wedge block through a shaft hole, and the piston rod is connected with the actuating oil cylinder.
And positioning screws are arranged at the bottoms of the two clamping arms, and a tension spring is connected between the two positioning screws.
The lower end of the clamping arm is in an expanded hemispherical shape, and the upper end of the clamping arm is provided with a lock catch.
The actuating wedge block comprises a front panel, a rear panel and a side panel, and the side panel is an assembly inclined plane.
The positioning wedge block comprises an arc surface and a wedge surface, the arc surface is matched with the hemispherical surface of the clamping arm, and the wedge surface is matched with the side panel of the actuating wedge block in shape.
And the actuating wedge block is provided with a bearing block.
The box body is made into a closed box type structure by adopting steel castings.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention adopts the hydraulic control system to control the switching state conversion of the clamping device, thereby greatly reducing the labor intensity of workers, being more convenient to use, improving the locking reliability and the transportation efficiency, and not damaging the steel rail.
2. The invention can skillfully control the rotation angles of the two clamping arms by the matching inclined plane between the actuating wedge block and the positioning wedge block, thereby controlling the opening and closing degree of the two clamping arms, preventing the steel rail from tipping and bouncing, and greatly improving the safety of the railway transportation steel rail.
3. The tension spring of the automatic clamping and positioning device is connected between the positioning screws at the bottoms of the two clamping arms, and pretension force is set during assembly so as to ensure that the clamping arms are always in a locking position in a working state.
4. The actuating oil cylinder, the piston rod and the actuating wedge block are coaxially arranged, so that the guide performance is good during axial movement, and displacement in other directions is avoided.
5. The box body of the automatic clamping and positioning device adopts a closed box type structure, the compact structure is ensured, meanwhile, the mounting positions of other parts are reasonably arranged, the self weight of the device is effectively reduced, and meanwhile, the bearing rigidity and the strength of the device are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal components of the present invention;
FIG. 3 is a schematic view of the clamp arm construction of the present invention;
FIG. 4 is a schematic view of the piston rod and actuating wedge assembly of the present invention;
FIG. 5 is a schematic view of the actuating wedge structure of the present invention;
FIG. 6 is a schematic view of the positioning wedge of the present invention;
fig. 7 is a use state diagram of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the present invention is provided with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 7, the invention has a box body 1, and the key technology is that an actuating cylinder 2 is arranged on one side wall of the box body, two symmetrical clamping arms 3 are arranged in the box body 1 through a rotating shaft 4, an actuating wedge 8 is arranged between the clamping arms 3, positioning wedges 9 are arranged on two sides of the actuating wedge 8, the positioning wedges 9 are contacted with the lower ends of the clamping arms 3, a piston rod 7 is arranged on the actuating wedge 8 through a shaft hole 8.3, and the piston rod 7 is connected with the actuating cylinder 2.
Installing positioning screws 5 at the bottoms of the two clamping arms 3, connecting tension springs 6 between the two positioning screws 5, and providing pretension force during assembly to ensure that the clamping arms are in working condition? Is always in the locked position.
The lower end of the clamping arm 3 is an expanded hemispherical surface 3.1, and the upper end is provided with a lock catch 3.2.
The actuating wedge 8 comprises a front panel 8.1, a rear panel 8.2 and a side panel, wherein the side panel is an assembly inclined plane 8.4.
The positioning wedge block 9 comprises an inward concave arc surface 9.1 and a wedge surface 9.2, the arc surface 9.1 is adapted to the semi-spherical surface 3.1 of the clamping arm 3, the wedge surface 9.2 is adapted to the side panel shape of the actuating wedge block 8, the length and the angle of the inclined plane matched between the actuating wedge block 8 and the positioning wedge block 9 (the length of the assembly inclined plane is 5 mm-23 mm, and the angle is 0-3.5 degrees), the rotating angles of the two clamping arms 3 can be ingeniously controlled, and therefore the opening degree of the two clamping arms 3 is controlled, and the steel rail 13 can be smoothly conveyed to the top surface of the box body.
And a bearing block 11 is arranged on the actuating wedge block 8 to reinforce the bearing of the box body.
The box body 1 is made into a closed box type structure by adopting steel castings.
During operation, the screw 10 is used for connecting the clamping and positioning device with the mounting beam 12, and the actuating oil cylinder 2, the piston rod 7 and the actuating wedge 8 are coaxially mounted. When the steel rail 13 needs to fall into the top surface of the box body, the hydraulic control system drives the actuating oil cylinder 2, the actuating oil cylinder 2 drives the piston rod 7 to move, the piston rod 7 drives the actuating wedge block 8 to slide backwards along the axial direction, the assembly inclined plane 8.4 of the actuating wedge block 8 is matched with the wedge-shaped surface 9.2 of the positioning wedge block 9 to drive the positioning wedge block 9 to shrink towards the center, the arc surface 9.1 of the positioning wedge block 9 is matched with the hemispherical shape 3.1 at the lower end of the clamping arm 3, the lower end of the clamping arm 3 rotates inwards, the tension spring 6 shrinks, the upper end of the clamping arm 3 expands, and the steel rail 13; when the steel rail 13 needs to be clamped, the actuating oil cylinder 2 drives the piston rod 7 to move, the piston rod 7 drives the actuating wedge block 8 to slide forwards along the axial direction, the assembling inclined surface 8.4 of the actuating wedge block 8 is matched with the wedge-shaped surface 9.2 of the positioning wedge block 9 to push the positioning wedge block 9 to open towards two sides, the arc surface 9.1 of the positioning wedge block 9 is matched with the hemispherical surface 3.1 at the lower end of the clamping arm 3, the lower end of the clamping arm 3 rotates outwards, the tension spring 6 is tensioned, the upper end of the clamping arm 3 rotates inwards, and the lock catch 3.2 automatically clamps and positions the steel rail 13.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a transportation is automatic clamping positioner for rail, has box (1), characterized by actuates hydro-cylinder (2) at a box lateral wall installation, through pivot (4) installation clamping arm (3) in box (1), install between clamping arm (3) and actuate voussoir (8), actuate voussoir (8) both sides installation location voussoir (9), location voussoir (9) and clamping arm (3) lower extreme contact, actuate and install piston rod (7) on voussoir (8), piston rod (7) with actuate hydro-cylinder (2) and be connected.
2. The automatic clamping and positioning device for the transport steel rail according to claim 1, wherein the positioning screws (5) are arranged at the bottoms of the two clamping arms (3), and the tension spring (6) is connected between the two positioning screws (5).
3. The automatic clamping and positioning device for the transport steel rail according to claim 1, characterized in that the lower end of the clamping arm (3) is an expanded hemispherical shape (3.1), and the upper end is provided with a lock catch (3.2).
4. Automatic clamping and positioning device for transport rails according to claim 1, characterized in that the actuating wedge (8) comprises a front panel (8.1), a rear panel (8.2) and side panels, the side panels being assembly bevels (8.4).
5. The automatic clamping and positioning device for the transport steel rail according to claim 4, wherein the actuating wedge block (8) is provided with a shaft hole (8.3) in the middle.
6. Automatic clamping and positioning device for transport rails according to claim 1, characterized in that the positioning wedge (9) comprises an arc (9.1) and a wedge (9.2), the arc (9.1) being adapted to the hemispherical shape (3.1) of the clamping arm (3) and the wedge (9.2) being adapted to the shape of the side panel of the actuating wedge (8).
7. Automatic clamping and positioning device for transport rails according to claim 1, characterized in that the actuating wedge (8) is equipped with a bearing block (11).
8. The automatic clamping and positioning device for transporting steel rails according to claim 1, wherein the box body (1) is made of steel castings into a closed box-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911308548.1A CN111088732A (en) | 2019-12-18 | 2019-12-18 | Automatic clamping and positioning device for transporting steel rails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911308548.1A CN111088732A (en) | 2019-12-18 | 2019-12-18 | Automatic clamping and positioning device for transporting steel rails |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111088732A true CN111088732A (en) | 2020-05-01 |
Family
ID=70395036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911308548.1A Pending CN111088732A (en) | 2019-12-18 | 2019-12-18 | Automatic clamping and positioning device for transporting steel rails |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111088732A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874842A (en) * | 2020-07-07 | 2020-11-03 | 上海建工集团股份有限公司 | Eccentric locking self-propelled pushing device and method |
| CN112012500A (en) * | 2020-07-07 | 2020-12-01 | 上海建工集团股份有限公司 | Wedge-shaped locking self-propelled pushing device and method |
| CN113998404A (en) * | 2021-09-30 | 2022-02-01 | 华能伊敏煤电有限责任公司 | Rail special vehicle capable of transporting steel rails |
-
2019
- 2019-12-18 CN CN201911308548.1A patent/CN111088732A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111874842A (en) * | 2020-07-07 | 2020-11-03 | 上海建工集团股份有限公司 | Eccentric locking self-propelled pushing device and method |
| CN112012500A (en) * | 2020-07-07 | 2020-12-01 | 上海建工集团股份有限公司 | Wedge-shaped locking self-propelled pushing device and method |
| CN113998404A (en) * | 2021-09-30 | 2022-02-01 | 华能伊敏煤电有限责任公司 | Rail special vehicle capable of transporting steel rails |
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