CN211871157U - Special clamp for steel rail - Google Patents
Special clamp for steel rail Download PDFInfo
- Publication number
- CN211871157U CN211871157U CN202020131565.4U CN202020131565U CN211871157U CN 211871157 U CN211871157 U CN 211871157U CN 202020131565 U CN202020131565 U CN 202020131565U CN 211871157 U CN211871157 U CN 211871157U
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- shaft
- steel rail
- unhooking
- gravity
- plate
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Abstract
The utility model discloses a special clamp for steel rails, which comprises a side guide plate, a side plate, steel rail clamps, a lifting plate, a sliding connecting rod, a gravity shaft, a unhooking shaft and a top plate, wherein the side guide plate and the side plate are respectively and relatively arranged and fixedly installed together; when the steel rail is not clamped, the unhooking shaft extends into the hole of the lifting plate to hook the lifting plate, when the steel rail is clamped, the steel rail is clamped by the steel rail clamp, the unhooking shaft is separated from the lifting plate, and the gravity shaft lifts the steel rail through the sliding connecting rod and the steel rail clamp.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment and specifically relates to a special clamp of rail.
Background
The rail hoist clamp that uses at present, internal mechanism and manufacturing process are complicated, and the quality problem control degree of difficulty in the manufacturing process is big to rail hoist clamp ubiquitous quality is heavy, bulky, the installation is inconvenient and the shell clearance leads to the rainwater scheduling problem that advances easily, and more serious is that rail hoist clamp produces the derailment accident because the structure is unreasonable in the use, has the potential safety hazard, in case the accident appears will cause very big negative effects to enterprise's production safety.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a rail special clamp, this special fixture simple structure, convenient operation, safety and stability is strong, and it is convenient to maintain to set up waterproof equipment, can prevent effectively that special fixture is inside under the state of not using from intaking and causing the corruption of inner mechanism.
A clamp special for a steel rail comprises a side guide plate, a side plate, steel rail clamps, a lifting plate, a sliding connecting rod, a gravity shaft, a unhooking shaft and a top plate, wherein the side guide plate and the side plate are oppositely arranged and fixedly installed together, the top plate is fixedly installed above the side guide plate and the side plate, the gravity shaft is in sliding connection with the top plate, a guide sleeve is fixedly arranged on the top plate and positioned between the top plate and the gravity shaft, a waterproof cover matched with the guide sleeve is arranged on the gravity shaft, the steel rail clamps are symmetrically arranged relative to the gravity shaft, the steel rail clamps are arranged in a crossed mode and hinged with the gravity shaft through the sliding connecting rod, the lifting plate is arranged between the two groups of steel rail clamps and connected with the steel rail clamps through a connecting shaft, a blind hole for positioning the unhooking shaft is formed in the end portion of the gravity shaft, the unhooking shaft is connected with the gravity shaft, the lifting plate is provided with a hole matched with the unhooking shaft; when the steel rail is not clamped, the unhooking shaft extends into the hole of the lifting plate to hook the lifting plate, when the steel rail is clamped, the steel rail is clamped by the steel rail clamp, the unhooking shaft is separated from the lifting plate, and the gravity shaft lifts the steel rail through the sliding connecting rod and the steel rail clamp.
Preferably, a rotating groove matched with the positioning pin for use is formed in the upper end of the unhooking shaft, the upper end face and the lower end face of the rotating groove are continuous curved surfaces arranged in a relatively staggered mode, each continuous curved surface is formed by four coaxial arc hooks, each arc hook comprises an arc section, an arc section and a vertical section, and two ends of each arc section are respectively tangent to the arc section and the vertical section; the lower extreme of unhook axle is T type axle, the end of T type axle is equipped with the arc chamfer.
Preferably, the offset angle between the upper and lower continuous curved surfaces is 45 °.
Preferably, the upper portion of the hole is a kidney-shaped hole matched with the end head of the T-shaped shaft, the lower portion of the hole is a circular hole, and the diameter of the circular hole is not smaller than the length of the kidney-shaped hole.
Preferably, the sliding connecting rod is connected with the gravity shaft through a second connecting shaft, and a sliding groove is formed in the sliding connecting rod.
Preferably, the side guide plate is provided with a vertical guide groove which is matched with two ends of the second connecting shaft for use.
Preferably, the rail clamp is connected with the sliding connecting rod through a pin shaft.
Preferably, the two pins arranged oppositely are connected through a balance shaft.
Preferably, the side guide plate is provided with a rail guide groove.
The beneficial effects of the utility model reside in that:
1. simple structure is favorable to the installation maintenance of equipment.
2. Set up waterproof equipment, can effectively prevent the corrosion of equipment inner structure under the state of not using, the life of extension equipment reduces the maintenance cost of equipment, and then has reduced the cost of enterprise.
3. The special fixture adopts a two-group connecting rod type structure that the steel rail clamp and the movable connecting rod are connected, the length of the force arm of the steel rail clamp is increased, the clamping force of the steel rail can be effectively improved, and the stability of the steel rail clamp for clamping the steel rail is improved.
4. The synchronism of the special fixture is good, the automatic clamping and separation of the special fixture to the steel rail can be realized through the ingenious design of the unhooking shaft and the lifting plate matched with the unhooking shaft, and the operation is convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a part of the structure of the present invention.
Fig. 3 is a front view of the internal structure of the present invention in the clamping state.
Fig. 4 is a front view of the internal structure of the present invention in an unclamped state.
Fig. 5 is a schematic structural view of the unhooking shaft and the positioning pin.
Fig. 6 is a top perspective view of the unhooking shaft.
Fig. 7 is a top view of the lift plate.
Fig. 8 is a bottom view of the lift plate.
Fig. 9 is a schematic view of the structure of the side guides.
Fig. 10 is a schematic view of an installation structure of a gravity shaft and a release shaft.
The reference numbers are as follows: the steel rail lifting device comprises a 1-side guide plate, a 2-side plate, a 3-steel rail clamp, a 4-lifting plate, a 5-sliding connecting rod, a 6-gravity shaft, a 7-unhooking shaft, an 8-top plate, a 9-first connecting shaft, a 10-positioning pin, an 11-hole, a 111-kidney-shaped hole, a 112-circular hole, a 12-rotating groove, a 13-arc hook, a 131-arc section, a 132-arc section, a 133-vertical section, a 14-second connecting shaft, a 15-sliding groove, a 16-vertical guide groove, a 17-pin shaft, an 18-balance shaft, a 19-steel rail guide groove, a 20-guide sleeve, a 21-waterproof cover, a 22-blind hole and a 23-oil ring groove.
Detailed Description
The present embodiment is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5 and 10, a rail clamp comprises a side guide plate 1, a side plate 2, a rail clamp 3, a lifting plate 4, a sliding connecting rod 5, a gravity shaft 6, a unhooking shaft 7 and a top plate 8, wherein the side guide plate 1 and the side plate 2 are respectively arranged oppositely and fixedly installed together, the top plate 8 is fixedly installed above the side guide plate 1 and the side plate 2, the gravity shaft 6 is slidably connected with the top plate 8, a guide sleeve 20 is fixed on the top plate 8 between the top plate 8 and the gravity shaft 6, a waterproof cover 21 matched with the guide sleeve 20 is arranged on the gravity shaft 6, when the rail clamp is not used, the guide sleeve 20 can be covered by the waterproof cover 21 to prevent water from entering the inside of the rail clamp, two groups of rail clamps 3 are symmetrically arranged relative to the gravity shaft 6, the two groups of rail clamps 3 are arranged in a crossing manner and hinged to the gravity shaft 6 through the sliding connecting rod 5, the lifting plate 4 is arranged between the two groups of steel rail clamps 3 and is connected with the steel rail clamps 3 through a first connecting shaft 9, a blind hole 22 for positioning the unhooking shaft 7 is formed in the end portion of the gravity shaft 6, the unhooking shaft 7 is connected with the gravity shaft 6 through a positioning pin 10, an oil ring groove 23 communicated with the blind hole 22 is formed in the gravity shaft 6, lubricating oil can be guided into the blind hole 22 through the oil ring groove 23, the unhooking shaft 7 is lubricated, the flexibility of movement of the unhooking shaft 7 is enhanced, and a hole 11 matched with the unhooking shaft 7 for use is formed in the lifting plate 4; when the steel rail is not clamped, the unhooking shaft 7 extends into the hole 11 of the lifting plate 4 to hook the lifting plate 4, when the steel rail is clamped, the steel rail is clamped by the steel rail clamp 3, the unhooking shaft 7 is separated from the lifting plate 4, and the steel rail is lifted by the gravity shaft 6 through the sliding connecting rod 5 and the steel rail clamp 3.
In this embodiment, the upper end of the unhooking shaft 7 is provided with a rotating groove 12 used in cooperation with the positioning pin 10, the upper and lower end surfaces of the rotating groove 12 are continuous curved surfaces arranged in a relatively staggered manner, each continuous curved surface is formed by four coaxial arc hooks 13, each arc hook 13 comprises three parts, namely an arc section 131, an arc section 132 and a vertical section 133, and two ends of the arc section 132 are respectively tangent to the arc section 131 and the vertical section 133; the lower end of the unhooking shaft 7 is a T-shaped shaft, and the end head of the T-shaped shaft is provided with an arc-shaped chamfer.
In the present embodiment, the misalignment angle of the upper and lower continuous curved surfaces is 45 °, and the misalignment angle is shown in fig. 6.
In this embodiment, as shown in fig. 7 and 8, the upper portion of the hole 11 is a waist-shaped hole 111 used in cooperation with the end of the T-shaped shaft, and the lower portion thereof is a circular hole 112, and the diameter of the circular hole 112 is not less than the length of the waist-shaped hole 111.
In this embodiment, the sliding link 5 is connected to the gravity shaft 6 through a second connecting shaft 14, and the sliding link 5 is provided with a sliding groove 15.
In this embodiment, as shown in fig. 9, the side guides 1 are provided with vertical guide grooves 16 for engaging with both ends of the second connecting shaft 14.
In the present exemplary embodiment, rail clamp 3 is connected to sliding linkage 5 via pin 17.
In this embodiment, the two pin shafts 17 disposed oppositely are connected by the balance shaft 18, so that the movement synchronism of the two sets of rail clamps 3 can be effectively improved.
In this embodiment, the side guides 1 are provided with rail guide grooves 19.
The working principle of the embodiment is as follows:
when in use, the special clamp is hinged with the travelling crane through the connecting pin.
Fig. 4 is a schematic structural diagram of the special fixture in an unclamped state, in which the end of the T-shaped shaft of the unhooking shaft 7 is perpendicular to the kidney-shaped hole 111, the unhooking shaft 7 hooks the lifting plate 4, the rail clamp 3 is located at both ends of the rail guide groove 19, and the positioning pin 10 is located in the arc segment 132 of one arc hook 13 of the upper continuous curved surface (the upper and lower continuous curved surfaces forming the rotation groove 12 are referred to as an upper continuous curved surface and a lower continuous curved surface).
When the special fixture starts to clamp the rail, the rail guide groove 19 of the side guide plate 1 faces downwards along the rail, and the rail is clamped in the rail guide groove 19. The gravity shaft 6 drives the unhooking shaft 7 to continuously move downwards, after the end part of the T-shaped shaft is contacted with the surface of the steel rail, the gravity shaft 6 continuously moves downwards, at the moment, the positioning pin 10 is contacted with the arc section 131 of the arc hook 13 of the lower continuous curved surface corresponding to the arc hook 13 of the upper continuous curved surface, in the process that the gravity shaft 6 continuously moves downwards, the arc section 131 slides along the positioning pin 10, the positioning pin 10 falls into the arc section 132 tangent to the arc section 131, and the unhooking shaft 6 rotates clockwise by 45 degrees. When the special clamp is lifted, the gravity shaft 6 is lifted, the second connecting shaft 14 slides along the sliding groove 15, at the moment, the positioning pin 10 ascends along the vertical section 133 tangent to the arc section 132, contacts the arc section 131 of the arc hook 13 of the upper continuous curved surface, during the process of further lifting the gravity shaft 6, the arc-shaped segment 131 slides along the positioning pin 10, the unhooking shaft 6 rotates clockwise for 45 degrees again, after the unhooking shaft 7 rotates 90 degrees, the end part of the T-shaped shaft of the unhooking shaft 7 is consistent with the orientation of the kidney-shaped hole 111, in the process that the gravity shaft 6 continues to move upwards, the unhooking shaft 7 is separated from the lifting plate 4 and continuously ascends, the first connecting shaft 9 slides along the vertical guide groove 16 and drives the sliding connecting rod 5 and the steel rail clamp 3 to move, the steel rail clamp 3 clamps the steel rail, fig. 3 is a schematic structural view of the special fixture clamping the steel rail, and the steel rail can be lifted by continuously lifting the gravity shaft 6.
After the steel rail is hoisted to a proper position, the gravity shaft 6 is pressed down, the unhooking shaft 7 passes through the kidney-shaped hole 111 and contacts with the steel rail, the unhooking shaft 7 rotates clockwise by 45 degrees, the steel rail clamp 3 loosens the steel rail, the gravity shaft 6 carries the goods slowly, the unhooking shaft 7 rotates again by 45 degrees, the end part of the T-shaped shaft of the unhooking shaft 7 is vertical to the kidney-shaped hole 111, the unhooking shaft drives the lifting plate to ascend together in the process of continuously lifting the gravity shaft, the sliding connecting rod 5 drives the steel rail clamp 3 to move to the state shown in figure 4, the steel rail clamp 3 can be separated from the steel rail upwards, and then the next steel rail can be clamped and transported.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A special clamp for steel rails is characterized in that: the steel rail clamping device comprises a side guide plate, side plates, steel rail clamps, a lifting plate, a sliding connecting rod, a gravity shaft, a unhooking shaft and a top plate, wherein the side guide plate and the side plates are oppositely arranged and fixedly installed together respectively, the top plate is fixedly installed above the side guide plate and the side plates, the gravity shaft is in sliding connection with the top plate, a guide sleeve is fixedly arranged between the top plate and the gravity shaft on the top plate, a waterproof cover matched with the guide sleeve for use is arranged on the gravity shaft, the steel rail clamps are symmetrically arranged relative to the gravity shaft, the steel rail clamps in the same group are crossed and arranged and hinged with the gravity shaft through the sliding connecting rod, the lifting plate is arranged between the two groups of steel rail clamps and connected with the steel rail clamps through a connecting shaft, a blind hole for positioning the unhooking shaft is arranged at the end part of the gravity shaft, the unhooking shaft, the lifting plate is provided with a hole matched with the unhooking shaft; when the steel rail is not clamped, the unhooking shaft extends into the hole of the lifting plate to hook the lifting plate, when the steel rail is clamped, the steel rail is clamped by the steel rail clamp, the unhooking shaft is separated from the lifting plate, and the gravity shaft lifts the steel rail through the sliding connecting rod and the steel rail clamp.
2. The special clamp according to claim 1, characterized in that: the upper end of the unhooking shaft is provided with a rotating groove matched with the positioning pin for use, the upper end surface and the lower end surface of the rotating groove are continuous curved surfaces arranged in a relative staggered mode, each continuous curved surface is formed by four coaxial arc hooks, each arc hook comprises an arc section, an arc section and a vertical section, and two ends of each arc section are respectively tangent to the arc section and the vertical section; the lower extreme of unhook axle is T type axle, the end of T type axle is equipped with the arc chamfer.
3. The special clamp according to claim 2, characterized in that: the dislocation angle of the upper and lower continuous curved surfaces is 45 degrees.
4. The special clamp according to claim 2, characterized in that: the upper portion of hole is waist type hole that uses with the end cooperation of T type axle, and the lower part is the circular port, and the diameter of circular port is not less than the length in waist type hole.
5. The special clamp according to claim 1, characterized in that: the sliding connecting rod is connected with the gravity shaft through a second connecting shaft, and a sliding groove is formed in the sliding connecting rod.
6. The special clamp according to claim 5, characterized in that: and the side guide plate is provided with a vertical guide groove which is matched with two ends of the second connecting shaft for use.
7. The special clamp according to claim 1, characterized in that: the steel rail clamp is connected with the sliding connecting rod through a pin shaft.
8. The special clamp according to claim 7, characterized in that: the two pin shafts which are oppositely arranged are connected through a balance shaft.
9. The special clamp according to claim 1, characterized in that: and the side guide plate is provided with a steel rail guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020131565.4U CN211871157U (en) | 2020-01-20 | 2020-01-20 | Special clamp for steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020131565.4U CN211871157U (en) | 2020-01-20 | 2020-01-20 | Special clamp for steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211871157U true CN211871157U (en) | 2020-11-06 |
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ID=73252209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020131565.4U Active CN211871157U (en) | 2020-01-20 | 2020-01-20 | Special clamp for steel rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211871157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850473A (en) * | 2021-01-04 | 2021-05-28 | 中国核电工程有限公司 | Gripping apparatus and lifting system |
-
2020
- 2020-01-20 CN CN202020131565.4U patent/CN211871157U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850473A (en) * | 2021-01-04 | 2021-05-28 | 中国核电工程有限公司 | Gripping apparatus and lifting system |
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