CN110626945A - Rail clamping device for rail - Google Patents
Rail clamping device for rail Download PDFInfo
- Publication number
- CN110626945A CN110626945A CN201910999662.7A CN201910999662A CN110626945A CN 110626945 A CN110626945 A CN 110626945A CN 201910999662 A CN201910999662 A CN 201910999662A CN 110626945 A CN110626945 A CN 110626945A
- Authority
- CN
- China
- Prior art keywords
- brake
- bracket
- screw rod
- brake shoe
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/18—Travelling gear incorporated in or fitted to trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a rail clamping device, and belongs to the technical field of trolley operation. The brake shoe comprises a lead screw, wherein a hand wheel is assembled at the upper end of the lead screw, a sliding block is connected at the lower end of the lead screw, locking nuts are arranged on a rod body of the lead screw at intervals, a brake shoe is arranged at the lower end of a support and consists of a brake frame and a brake block, a waist-shaped hole is formed in the surface of the sliding block, a pin shaft is inserted into the waist-shaped hole, and the upper end of the brake shoe is movably connected with the sliding block through the pin shaft. The invention adopts the hand wheel to operate, which is labor-saving and quick, the screw rod and the locking nut on the bracket adopt the trapezoidal self-locking thread structure, the screw rod is further ensured to be locked with the bracket, the screw rod drives the slide block to move upwards, and then the brake shoe is pulled by the pin shaft to swing on the bracket, so that the brake block at the front end of the brake shoe clamps the track, the small-structure large load can be realized, and the invention can be used in the similar occasions requiring mechanical locking of the track.
Description
Technical Field
The invention relates to the technical field of trolley operation, in particular to a rail clamping device.
Background
Smelting workshops such as a steel converter, an AOD furnace and the like need to move transversely to replace a smoke hood according to the occasions of process requirements; during blowing, the flue trolley is required to be locked on the track and cannot move transversely. Vibration can be generated during blowing, and if the transmission shaft is directly adopted for mechanical braking, the service life of accessories such as wheel bearings and the like can be influenced by slight play and impact of the trolley on the track. Therefore, the frame of the trolley is required to be provided with a rail clamping device which is directly locked with the rail, so that the movement is eliminated, and the damage to wheel bearings and the like is avoided. The related patents are searched, and no description of the rail clamping device is provided, so that the rail clamping device is provided.
Disclosure of Invention
1. Technical problem to be solved by the invention
Aiming at the defects and shortcomings in the prior art, the invention provides the rail clamping device which is compact in structure, labor-saving and quick, the axial thread locking force of the screw rod is converted into the transverse rail clamping force of the brake shoe through the connecting rod mechanism formed by the sliding blocks, and the small-structure and large-load can be realized.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention discloses a rail clamping device, which comprises a lead screw and a bracket, wherein a hand wheel is assembled at the upper end of the lead screw, a hole is formed in the surface of the bracket, the lower end of the lead screw penetrates through the hole and is connected with a sliding block, two locking nuts are arranged on the rod body of the lead screw at intervals, one of the two locking nuts is welded on the surface of the bracket, the other locking nut is movably sleeved on the outer ring of the lead screw, a brake shoe is arranged at the lower end of the bracket, a bolt is arranged at the joint of the brake shoe and the bracket, the brake shoe is assembled with the bracket through the bolt, the brake shoe consists of a brake frame and a brake block, the brake block is connected to the bottom of the brake frame, the brake frame and the brake block are mutually clamped, a kidney-shaped hole is formed in the surface of the sliding block, a.
Furthermore, the screw rod is locked and assembled with the bracket through a locking nut.
Furthermore, the brake shoes are embedded on the surface of the support by taking the bolts as fulcrums, a track is arranged between the adjacent brake shoes, the brake blocks are clamped when being in contact with the track, and the brake blocks are opened when being separated from the track.
Furthermore, the outside of the bracket is connected with a frame, and the bracket is fixed at the end part of the frame through screws.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
the invention adopts a hand wheel for operation, which is labor-saving and rapid, the screw rod and the locking nut on the bracket adopt a trapezoidal self-locking thread structure to transmit the axial load of the screw rod, the trapezoidal thread has large bearing capacity and can be self-locked, in addition, the locking nut further ensures the locking of the screw rod and the bracket, the screw rod drives the slide block to move upwards, and then the brake shoe is pulled by the pin shaft to swing on the bracket, so that the brake block at the front end of the brake shoe clamps the track, the axial thread locking force of the screw rod is converted into the transverse rail clamping force of the brake shoe through the connecting rod mechanism formed by the slide block, the small-structure large load can be realized, and the waist-shaped hole.
Drawings
FIG. 1 is an assembly view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view A-A of the present invention;
FIG. 5 is a cross-sectional view B-B of the present invention;
FIG. 6 is a front view of the slider of the present invention;
FIG. 7 is a top view of the slider of the present invention;
FIG. 8 is a front view of the brake shoe of the present invention;
FIG. 9 is a left side view of the brake shoe of the present invention;
FIG. 10 is a top view of the brake shoe of the present invention.
In the figure: 1. a hand wheel; 2. a screw rod; 3. locking the nut; 4. a support; 5. a slider; 6. a pin shaft; 7. a brake shoe; 8. a track; 9. a bolt; 10. a frame; 11. a brake frame; 12. a brake pad.
Detailed Description
The invention is further described with reference to the following figures and examples:
example 1
As can be seen from fig. 1-5, the rail clamping device of the embodiment includes a screw rod 2 and a bracket 4, a frame 10 is connected to the outside of the bracket 4, the bracket 4 is fixed at the end of the frame 10 by screws, a hand wheel 1 is assembled at the upper end of the screw rod 2, a hole is opened on the surface of the bracket 4, the lower end of the screw rod 2 penetrates through the hole and is connected with a slider 5, two locking nuts 3 are arranged on the rod body of the screw rod 2 at intervals, one of the locking nuts 3 is welded on the surface of the bracket 4, the other locking nut is movably sleeved on the outer ring of the screw rod 2, the screw rod 2 is locked and assembled with the bracket 4 by the locking nut 3, a brake shoe 7 is arranged at the lower end of the bracket 4, a bolt 9 is arranged at the joint of the brake shoe 7 and the bracket 4, the brake shoe 7 is assembled with the bracket 4 by the bolt 9, the bottom of the brake frame 11 is connected with the brake block 12, the brake frame 11 and the brake block 12 are clamped with each other through a dovetail groove, the brake block 12 is convenient to replace, the brake block 12 made of polyurethane rubber can better clamp the track 8, the damping device has a damping function, the brake shoes 7 are embedded on the surface of the support 4 by taking the bolts 9 as fulcrums, the rails 8 are arranged between the adjacent brake shoes 7, the brake shoes 12 are clamped when in contact with the rails 8, the brake shoes 12 are opened when being separated from the rails 8, as can be seen from figures 6-7, kidney-shaped holes are formed in the surface of the slider 5, pin shafts 6 are inserted in the kidney-shaped holes, the upper ends of the brake shoes 7 are movably connected with the slider 5 through the pin shafts 6, the brake shoes 7 can slide along the kidney-shaped holes in the surface of the slider 5 in a small range, and the clamping or the opening is realized by the contact or the separation of the brake shoes 12.
When the rail needs to be clamped, the hand wheel 1 is rotated, the screw rod 2 drives the locking nut 3 on the support 4 to move upwards, the screw rod 2 drives the sliding block 5 to move upwards, the pin shaft 6 slides outwards, the brake shoe 7 swings on the support 4, so that the brake block 12 clamps the rail 8, when the rail needs to be opened, the hand wheel 1 is rotated reversely, other components move reversely, and finally the brake block 12 is separated from the rail 8.
The invention adopts the hand wheel 1 to operate, which is labor-saving and quick, the screw rod 2 and the locking nut 3 on the bracket 4 adopt a trapezoidal self-locking thread structure, the axial load of the screw rod 2 is transmitted, the trapezoidal thread has large bearing capacity and can be self-locked, in addition, the locking nut 3 further ensures that the screw rod 2 and the bracket 4 are locked, the screw rod 2 drives the slide block 5 to move upwards, the brake shoe 7 is pulled by the pin shaft 6 to swing on the bracket 4, the brake block 12 at the front end of the brake shoe 7 clamps the track 8, the axial thread locking force of the screw rod 2 is converted into the transverse rail clamping force of the brake shoe 7 through the link mechanism formed by the slide block 5, the small-structure large load can be realized, and the waist-shaped hole is formed on the slide block 5.
The device structure is used for trolley clamping rails, but not limited to the occasions of locking trolleys of flues of converters and AOD furnaces, can be used for similar occasions of vehicles requiring mechanical locking tracks 8, and the locking threads 3 can also adopt threads of different forms and thread pitches of different sizes according to load requirements.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (4)
1. The utility model provides a track clamping rail device, includes lead screw (2) and support (4), its characterized in that: the upper end of the screw rod (2) is provided with a hand wheel (1), the surface of the bracket (4) is provided with a hole, the lower end of the screw rod (2) penetrates through the hole and is connected with a sliding block (5), the rod body of the screw rod (2) is provided with two locking nuts (3) at intervals, one of the two locking nuts (3) is welded on the surface of the bracket (4), the other locking nut is movably sleeved on the outer ring of the screw rod (2), the lower end of the bracket (4) is provided with a brake shoe (7), a bolt (9) is arranged at the joint of the brake shoe (7) and the bracket (4), the brake shoe (7) is assembled with the bracket (4) through the bolt (9), the brake shoe (7) consists of a brake frame (11) and a brake block (12), the bottom of the brake frame (11) is connected with the brake block (12), the brake frame (11) and the brake block (12) are mutually clamped, the surface of the sliding block, a pin shaft (6) is inserted in the waist-shaped hole, and the upper end of the brake shoe (7) is movably connected with the sliding block (5) through the pin shaft (6).
2. A rail clamping device according to claim 1, wherein: the screw rod (2) is locked and assembled with the bracket (4) through a locking nut (3).
3. A rail clamping device according to claim 1, wherein: the brake shoes (7) are embedded on the surface of the bracket (4) by taking the bolts (9) as fulcrums, a track (8) is arranged between the adjacent brake shoes (7), the brake blocks (12) are clamped when being contacted with the track (8), and the brake blocks (12) are opened when being separated from the track (8).
4. A rail clamping device according to claim 1, wherein: the outer part of the bracket (4) is connected with a frame (10), and the bracket (4) is fixed at the end part of the frame (10) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910999662.7A CN110626945A (en) | 2019-10-21 | 2019-10-21 | Rail clamping device for rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910999662.7A CN110626945A (en) | 2019-10-21 | 2019-10-21 | Rail clamping device for rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110626945A true CN110626945A (en) | 2019-12-31 |
Family
ID=68976910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910999662.7A Pending CN110626945A (en) | 2019-10-21 | 2019-10-21 | Rail clamping device for rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110626945A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013108439A1 (en) * | 2013-08-06 | 2015-02-12 | Konecranes Plc | Rail clamp device and method of operation thereof |
| CN204506915U (en) * | 2015-04-01 | 2015-07-29 | 中国船舶重工集团公司第七一〇研究所 | A kind of track chassis catch gear |
| CN208394640U (en) * | 2018-07-13 | 2019-01-18 | 宁夏路桥工程股份有限公司 | A kind of steering-wheel type rail clamping device |
| CN208747482U (en) * | 2018-09-13 | 2019-04-16 | 冯景娜 | A kind of novel manual rail clamping device |
| CN209411619U (en) * | 2018-12-07 | 2019-09-20 | 鞍山钢铁集团有限公司 | A kind of crane screw rail clamping device with contactless limiting device |
-
2019
- 2019-10-21 CN CN201910999662.7A patent/CN110626945A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013108439A1 (en) * | 2013-08-06 | 2015-02-12 | Konecranes Plc | Rail clamp device and method of operation thereof |
| CN204506915U (en) * | 2015-04-01 | 2015-07-29 | 中国船舶重工集团公司第七一〇研究所 | A kind of track chassis catch gear |
| CN208394640U (en) * | 2018-07-13 | 2019-01-18 | 宁夏路桥工程股份有限公司 | A kind of steering-wheel type rail clamping device |
| CN208747482U (en) * | 2018-09-13 | 2019-04-16 | 冯景娜 | A kind of novel manual rail clamping device |
| CN209411619U (en) * | 2018-12-07 | 2019-09-20 | 鞍山钢铁集团有限公司 | A kind of crane screw rail clamping device with contactless limiting device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191231 |