CN112726301A

CN112726301A - Rail lifting device

Info

Publication number: CN112726301A
Application number: CN202011508904.7A
Authority: CN
Inventors: 武根林; 孔吉昌; 李文祥; 连志斌
Original assignee: Hebei Huafeng Energy Technology Development Co Ltd
Current assignee: Hebei Huafeng Energy Technology Development Co Ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-04-30

Abstract

The invention relates to a rail lifting device, which comprises a supporting frame, a sliding hook and an inclined wedge, wherein the downward part of the sliding hook is inserted into the supporting frame; the part of the sliding hook inserted into the support frame is connected with a hook, and the hook of the sliding hook can upwards abut against the rail surface part of the rail; the sliding hook is provided with a chute matched with the inclined wedge, the support frame is in threaded connection with a bolt, the bolt can push the inclined wedge to move towards the direction of the sliding hook, and the sliding hook can be pushed to move upwards relative to the support frame through the abutting fit between the inclined wedge and the chute wall of the chute on the sliding hook so as to lift the rail. According to the rail lifting device, the inclined wedges are matched with the inclined groove walls of the inclined grooves on the sliding hooks in an abutting mode, the sliding hooks are lifted, the lifting of the rail is driven by the aid of the lifted sliding hooks to drive the rail to move, the inclined wedges are pushed and driven by the bolts, the rail lifting device can be operated by one person, and the rail lifting device has the function of conveniently lifting and driving the rail.

Description

Rail lifting device

Technical Field

The invention belongs to the technical field related to rail lifting, and particularly relates to a rail lifting device.

Background

A rail for use on a road supports rollers disposed on the rail.

During the use process of the rail, according to the use requirement, a cushion block is generally required to be added at the position below the base part on the rail so as to meet the use requirements of the rail at different heights, and therefore the rail needs to be lifted from the ground. At present, the rail is lifted by prying bars in the prior art, specifically, two prying bars are used for lifting the rail from the ground by utilizing the lever principle, and then a cushion block is padded. The mode can meet the use requirement for lifting the rail, however, the two prying bars are used in a matched mode, so that the operation is complex, and the rail cannot be lifted in the vertical direction.

Disclosure of Invention

In view of the above, there is a need to provide a rail lifting device for solving the technical problems in the prior art.

The rail lifting device comprises a supporting frame, a sliding hook and a wedge, wherein the downward part of the sliding hook is inserted into the supporting frame; the part of the sliding hook inserted into the support frame is connected with a hook, and the hook of the sliding hook can upwards abut against the rail surface part of the rail; the sliding hook is provided with a chute matched with the inclined wedge, the supporting frame is connected with a bolt in a threaded mode, the bolt can push the inclined wedge to move towards the direction of the sliding hook, and the sliding hook can move upwards relative to the supporting frame through the abutting fit between the inclined wedge and the chute wall of the chute on the sliding hook so as to lift the rail.

As a preferable aspect of the present invention, the support frame includes a first support rod, a second support rod disposed opposite to the first support rod, and a connection rod for connecting the first support rod and the second support rod, the second support rod has a notch formed at an end portion of one side thereof away from the connection rod, and a groove wall of the notch and an end surface of one side of the first support rod facing the second support rod abut against the base portion of the rail.

As a preferable aspect of the present invention, a distance between the second support bar and the first support bar is equal to a sum of widths of the rail upper surface portion and the sliding hook.

As a preferable aspect of the present invention, an upper end surface of the upper hook of the slide hook may be provided to be fitted to a lower end surface of the rail upper rail surface portion.

As a preferable scheme of the invention, an inclined wedge square hole is transversely formed on the connecting rod, and the inclined wedge is slidably arranged in the inclined wedge square hole.

As a preferable aspect of the present invention, the bolt is partially inserted into the slanting wedge square hole, wherein a portion of the bolt provided in the connecting rod is threadedly connected to the connecting rod.

As a preferable scheme of the present invention, a portion of the bolt inserted into the square hole of the wedge is connected with a T-shaped joint, the wedge is provided with a T-shaped groove matching with the T-shaped joint, and the T-shaped joint of the bolt is snapped into the T-shaped groove of the wedge.

As a preferable aspect of the present invention, the first support bar, the second support bar, and the connection bar are connected to form an integrated structure.

As the preferable scheme of the invention, the sliding hook is in clearance fit with the connecting rod.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

according to the rail lifting device provided by the invention, the lifting driving of the sliding hook is realized by utilizing the abutting fit between the inclined wedge and the inclined groove wall of the inclined groove on the sliding hook, the iron rail is driven to move by utilizing the lifted sliding hook, so that the rail is driven to be lifted, and the inclined wedge is driven by pushing a bolt, so that the rail lifting device can be operated by one person, has the function of conveniently driving the rail to be lifted, and simultaneously ensures the stability of the rail to be lifted.

Drawings

Fig. 1 is a schematic structural view of a rail lifting device according to an embodiment of the present invention during operation.

10, a support frame; 11. a first support bar; 12. a second support bar; 121. notching; 13. a connecting rod; 131. obliquely carving a square hole; 20. sliding hooks; 21. hooking; 22. a chute; 221. a chute wall; 30. an inclined wedge; 31. a T-shaped slot; 40. a bolt; 41. a T-shaped joint; 200. a rail; 201. a rail face portion; 202. a base portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, the claimed rail lifting device includes a support frame 10, a hook 20 inserted into the support frame 10 at a downward portion thereof, and a wedge 30 slidably coupled to the support frame 10.

In the present embodiment, the hook 21 is connected to the portion of the slide hook 20 inserted into the support frame 10, and the hook 21 of the slide hook 20 can be upwardly abutted against the rail surface portion 201 of the rail 200; wherein, the sliding hook 20 is provided with an inclined groove 22 matching with the inclined wedge 30, the support frame 10 is screwed with a bolt 40, the bolt 40 can push the inclined wedge 30 to move towards the sliding hook 20, and can push the sliding hook 20 to move upwards relative to the support frame 10 by the abutting cooperation between the inclined wedge 30 and the inclined groove wall 221 of the inclined groove 22 on the sliding hook 20, so as to lift the rail 200.

It can be understood that, in the rail lifting device of the present embodiment, when the rail surface portion 201 of the rail 200 is hooked by the hook 21 of the hook 20, the bolt 40 pushes the inclined wedge 30 to be in abutting engagement with the inclined groove wall 221 of the inclined groove 22 of the hook 20, so as to drive the hook 20 to lift up relative to the support frame 10, and further, to drive the rail 200 to lift up.

The support frame 10 of the present embodiment includes a first support bar 11, a second support bar 12 disposed opposite to the first support bar 11, and a connecting bar 13 for connecting the first support bar 11 and the second support bar 12. The end of the second support rod 12, which is far away from the connecting rod 13, is provided with a notch 121, and the groove wall of the notch 121 and the end surface of the first support rod 11, which faces the second support rod 12, abut against the foundation 202 of the rail 200, so as to guide and limit the upward movement of the foundation 202 on the rail 200, thereby ensuring that the rail 200 is driven vertically and upwardly when the rail lifting device works.

In the present embodiment, the first support rod 11, the second support rod 12, and the connecting rod 13 of the present embodiment are connected to form an integrated structure.

The distance between the second support rod 12 and the first support rod 11 in the present embodiment is equal to the sum of the widths of the rail surface portion 201 and the sliding hook 20 on the rail 200. That is, the first support rod 11, the sliding hook 20, the rail surface portion 201 of the rail 200, and the second support rod 12 of the present embodiment are sequentially attached to limit the guiding of the sliding hook 20 in the vertical direction with respect to the rail surface portion 201 of the rail 200 during the operation of the rail lifting device, so as to further ensure the driving of the rail 200 to move upward in the vertical direction during the operation of the rail lifting device.

In the present embodiment, the upper end surface of the hook 21 of the hook 20 of the present embodiment can be disposed to be attached to the lower end surface of the rail surface portion 201 of the rail 200, so that the contact area between the hook 21 and the rail surface portion 201 of the rail 200 is increased, and the stability of the lifting driving of the rail 200 by the hook 21 of the hook 20 is improved.

In the present embodiment, the connecting rod 13 is transversely provided with a wedge square hole 131, and the wedge 30 is slidably disposed in the wedge square hole 131, so that the wedge 30 is slidably assembled on the supporting frame 10.

In the present embodiment, the bolt 40 of the present embodiment is partially inserted into the slanting wedge square hole 131, wherein the portion of the bolt 40 provided in the connecting rod 13 is screwed with the connecting rod 13, thereby achieving the screw coupling between the bolt 40 and the connecting rod 13.

The portion of the bolt 40 inserted into the wedge square hole 131 is connected to a T-shaped joint 41, the wedge 30 is provided with a T-shaped groove 31 matching with the T-shaped joint 41, and the T-shaped joint 41 of the bolt 40 is inserted into the T-shaped groove 31 of the wedge 30, so that the bolt 40 and the wedge 30 are limited in the direction of the wedge square hole 131.

In addition, the slide hook 20 of the present embodiment is in clearance fit with the link 13 to limit the movement of the slide hook 20 on the link 13.

In summary, the rail lifting device provided by the invention realizes the lifting driving of the sliding hook by utilizing the abutting fit between the inclined wedge and the inclined groove wall of the inclined groove on the sliding hook, and drives the rail to move by utilizing the ascending sliding hook, so as to achieve the driving of the rail lifting, and the inclined wedge is driven by the pushing of the bolt, so that the rail lifting device can be operated by one person, has the function of conveniently driving the rail to be lifted, and simultaneously ensures the stability of the rail lifting.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express a few embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A rail lifting device comprising a support frame, a sliding hook having a downward portion inserted into the support frame, and a wedge slidably connected to the support frame; the part of the sliding hook inserted into the support frame is connected with a hook, and the hook of the sliding hook can upwards abut against the rail surface part of the rail; the sliding hook is provided with a chute matched with the inclined wedge, the supporting frame is connected with a bolt in a threaded mode, the bolt can push the inclined wedge to move towards the direction of the sliding hook, and the sliding hook can move upwards relative to the supporting frame through the abutting fit between the inclined wedge and the chute wall of the chute on the sliding hook so as to lift the rail.

2. The rail lifting device of claim 1, wherein the support frame comprises a first support rod, a second support rod disposed opposite to the first support rod, and a connecting rod for connecting the first support rod and the second support rod, wherein the second support rod is provided with a notch at an end portion thereof remote from the connecting rod, and a groove wall of the notch and an end surface of the first support rod facing the second support rod abut against the base portion of the rail.

3. A rail lifting device as claimed in claim 2, wherein the distance between the second support bar and the first support bar is equal to the sum of the width of the rail face portion and the width of the hook.

4. A rail lifting device as claimed in claim 1, wherein the upper end face of the hook on the hook is adapted to engage the lower end face of the rail portion.

5. A rail lifting apparatus as claimed in claim 2, wherein the connecting rod is provided with a square socket transversely cut therein, the wedge being slidably received in the square socket.

6. A rail lifting apparatus according to claim 5, wherein the bolt is partially inserted into the wedge square hole, and wherein the portion of the bolt disposed within the connecting rod is threadedly connected to the connecting rod.

7. A rail lifting apparatus as claimed in claim 6, wherein the bolt has a T-shaped tab attached to a portion thereof which is inserted into the square hole of the wedge, the wedge having a T-shaped slot formed therein which is adapted to the T-shaped tab, the T-shaped tab of the bolt being adapted to snap into the T-shaped slot of the wedge.

8. A rail lifting apparatus as claimed in claim 2, wherein the first support bar, the second support bar and the connecting bar are connected as a unitary structure.

9. A rail lifting device as claimed in claim 2, wherein the slip hook is a clearance fit with the connecting rod.