CN210315218U - Steel guardrail dismounting structure for road bridge - Google Patents
Steel guardrail dismounting structure for road bridge Download PDFInfo
- Publication number
- CN210315218U CN210315218U CN201920849841.8U CN201920849841U CN210315218U CN 210315218 U CN210315218 U CN 210315218U CN 201920849841 U CN201920849841 U CN 201920849841U CN 210315218 U CN210315218 U CN 210315218U
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- China
- Prior art keywords
- steel
- rack
- transverse pipe
- road bridge
- steel transverse
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to the technical field of public safety, in order to solve the problem that the prior guardrail dismounting structure is not simple and convenient enough, the utility model discloses a steel guardrail dismounting structure for a road bridge, which comprises a stand column, a steel transverse pipe and a rack; the upright posts are provided with clamping grooves for inserting and clamping the steel transverse pipes; a rotating shaft with a gear is arranged inside the top end of the steel transverse pipe, the upper end of the rotating shaft is connected with a lead screw, a lifting block is screwed on the lead screw, a limiting column which can extend out of the steel transverse pipe is arranged at one end, far away from the stand column, of the lifting block, the lifting block cannot rotate in the vertical direction of the lead screw, and a rack hole is formed in the steel transverse pipe and used for allowing the rack to pass through; the rack is used for passing through the rack hole to be meshed with the rotating shaft with the gear. The utility model discloses a dismouting structure has simple structure, convenient to use's advantage.
Description
Technical Field
The utility model relates to a public safety technical field, concretely relates to steel guardrail dismouting structure for road bridge.
Background
The description of the background art pertaining to the present invention is provided for the purpose of illustration and understanding only, and is not intended to be construed as an admission that the applicant specifically believes or is believed to be the prior art in the filing date of the first filing date of the present invention.
At present, most of common guard railings are produced by adopting standard parts and are installed on a construction site, and in order to facilitate the installation of the guard railings and ensure the firmness after the installation, all manufacturers improve the guard railings, and after the improvement, installation operation is generally not required to be carried out on the installation site by using large tools such as an electric welding machine and the like; at present, most of the small tools such as a spanner, a riveting machine and the like which are simple and convenient are used for installation through bolts, rivets and the like, but the installation is still troublesome and unsafe.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a steel guardrail dismouting structure for road bridge, the utility model provides a dismouting structure has convenient and fast's advantage.
The utility model aims at realizing through the following technical scheme:
the embodiment of the utility model provides a steel guardrail dismounting structure for a road bridge, which comprises a vertical column, a steel transverse pipe and a rack;
the upright posts are provided with clamping grooves for inserting and clamping the steel transverse pipes;
a rotating shaft with a gear is arranged inside the top end of the steel transverse pipe, the upper end of the rotating shaft is connected with a lead screw, a lifting block is screwed on the lead screw, a limiting column which can extend out of the steel transverse pipe is arranged at one end, far away from the stand column, of the lifting block, the lifting block cannot rotate in the vertical direction of the lead screw, and a rack hole is formed in the steel transverse pipe and used for allowing the rack to pass through;
the rack is used for passing through the rack hole to be meshed with the rotating shaft with the gear.
Furthermore, the lifting block can not rotate in the vertical direction of the lead screw, the lifting block is provided with a guide hole, a guide rod penetrating in the guide hole is arranged in the steel transverse pipe, and two ends of the guide rod are fixed on the inner wall of the steel transverse pipe.
Furthermore, the steel pipe on be equipped with the spacing ring, the spacing ring setting be in the spacing post keep away from the one side of stand for block with spacing post cooperation the outer wall of stand.
Furthermore, the rotating shaft is fixed on the bearing seat.
Furthermore, a cover plate is arranged on the rack hole.
Borrow by above-mentioned scheme, the utility model discloses steel guardrail dismouting structure for road bridge possesses following beneficial effect at least:
the utility model discloses a dismouting structural installation is convenient with the dismantlement, simple structure, and is safe in utilization.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described as follows:
FIG. 1 is a schematic structural view of a mounting and dismounting structure in an embodiment of a mounting and dismounting structure for a steel guardrail for a road bridge according to the present invention;
FIG. 2 is a schematic structural view of a mounting/dismounting structure in another embodiment of the mounting/dismounting structure for a steel fence for a road bridge according to the present invention;
fig. 3 is a schematic structural view of a mounting/dismounting structure in another embodiment of the mounting/dismounting structure for a steel fence for a road bridge according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which should be understood by those skilled in the art to understand the technical solutions of the present invention more easily, and should not be taken as a limitation of the protection scope of the present invention.
In the following description, the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance. The following description provides embodiments of the invention, which may be combined or substituted for various embodiments, and is intended to include all possible combinations of the same and/or different embodiments described herein. Thus, if one embodiment includes feature A, B, C and another embodiment includes feature B, D, the invention should also be construed as including embodiments that include all other possible combinations of one or more of A, B, C, D, even though such embodiments may not be explicitly recited in the following text.
A steel guardrail dismounting structure for a road bridge is combined with the attached figures 1-3 and comprises a vertical tube 2, a steel transverse tube 1 and a rack (not shown in the figure);
the upright post 2 is provided with a clamping groove 201 for inserting and clamping the steel transverse pipe 1;
a rotating shaft 101 with a gear is arranged in the top end of the steel transverse pipe 1, the upper end of the rotating shaft 101 is connected with a lead screw 102, the lead screw is connected with a lifting block 103 in a threaded manner, one end of the lifting block, which is far away from the upright post 103, is provided with a limiting post 104 which can extend out of the steel transverse pipe 1, the lifting block 103 cannot rotate in the vertical direction of the lead screw 102, and the steel transverse pipe 1 is provided with a rack hole 106 for the rack to pass through;
the rack is adapted to pass through the rack hole 106 to engage with the rotary shaft 101 having the gear.
The working principle is as follows:
the installation process comprises the following steps: insert the rack in rack hole 106, during the steel violently managed 1 and inserted draw-in groove 201, after spacing post 104 entered into draw-in groove 201, with the rack with the rotation axis 101 meshing that has the gear, it is rotatory to pull the rotation axis 101 that the gear drove and has the gear, drives elevator 103 through lead screw 102 and violently manages the outside removal to the steel, spacing post 104 stretches out the steel and violently manages 1, the card is in draw-in groove 201, violently manages 1 joint on stand 2 with the steel.
The dismantlement process, insert the rack in rack hole 106, with the rotation axis 101 meshing that has the gear, the pulling rack (opposite with the installation process direction), the rotation axis 101 that drives to have the gear is rotatory, drives elevator 103 through lead screw 102 and violently manages inboard removal to the steel, and spacing post 104 gets into the steel and violently manages 1, removes the joint that the steel violently managed 1, realizes dismantling.
The utility model discloses do not specifically limit how to realize that elevator 103 does not rotate on horizontal, as shown in fig. 2 the utility model discloses an in some embodiments, elevator be in the vertical direction of lead screw 102 on can't rotate for elevator 103 on be equipped with guiding hole (not shown in the figure) the steel violently manage 1 in be equipped with and wear to establish guiding rod 107 in the guiding hole, guiding rod 107 both ends fix the steel violently manage 1 inner wall on. In other embodiments of the present invention, a limiting plate may be disposed on both sides or around the lifting block 103, as long as the lifting block 103 can be prevented from rotating transversely.
As shown in fig. 3, in some embodiments of the present invention, the steel tube is provided with a limiting ring 108, the limiting ring 108 is disposed on one side of the limiting column 104 away from the upright 2, and is used to cooperate with the limiting column 104 to block the outer wall of the upright 2.
Here, it is to be noted that: in order to further prevent the steel transverse pipe 1 from shaking after clamping, a limiting ring 108 can be arranged on the outer wall of the steel transverse pipe 1, and the distance between the limiting ring 108 and the limiting column 104 is matched with the thickness of the outer wall part reserved at the outer wall of the upright post 1 for clamping.
In some embodiments of the present invention, the rotating shaft is fixed to the bearing seat.
In some embodiments of the present invention, the rack hole 106 is provided with a cover plate (not shown in the figure), the cover plate can effectively prevent the entry of sundries, and of course, the cover plate can also be detachably fixed on the steel transverse pipe 1, so as to prevent the human damage to the inside, and the specific fixing manner of the detachable is not specifically limited here.
It should be understood that the non-limited portions of the present invention can be realized by those skilled in the art by selecting conventional technical means as required, such as the size of the steel tube, the thickness of the outer wall of the upright post, the diameter and material of the lead screw, etc., and are not described herein again.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 (5)
1. A steel guardrail dismounting structure for a road bridge is characterized by comprising upright posts, a steel transverse pipe and racks;
the upright posts are provided with clamping grooves for inserting and clamping the steel transverse pipes;
a rotating shaft with a gear is arranged inside the top end of the steel transverse pipe, the upper end of the rotating shaft is connected with a lead screw, a lifting block is screwed on the lead screw, a limiting column which can extend out of the steel transverse pipe is arranged at one end, far away from the stand column, of the lifting block, the lifting block cannot rotate in the vertical direction of the lead screw, and a rack hole is formed in the steel transverse pipe and used for allowing the rack to pass through;
the rack is used for passing through the rack hole to be meshed with the rotating shaft with the gear.
2. The steel fence for a road bridge as claimed in claim 1, wherein the elevating block is non-rotatable in a vertical direction of the screw shaft, and is provided with a guide hole, a guide rod is arranged in the steel transverse pipe and inserted into the guide hole, and both ends of the guide rod are fixed on an inner wall of the steel transverse pipe.
3. The steel guardrail dismounting structure for the road bridge according to claim 1, wherein a limiting ring is arranged on the steel pipe, and the limiting ring is arranged on one side of the limiting column away from the upright column and is used for being matched with the limiting column to clamp the outer wall of the upright column.
4. The steel guardrail mounting/dismounting structure for a road bridge according to claim 1, wherein the rotary shaft is fixed to a bearing housing.
5. The steel guardrail mounting and dismounting structure for a road bridge according to claim 1, wherein a cover plate is provided on the rack hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920849841.8U CN210315218U (en) | 2019-06-06 | 2019-06-06 | Steel guardrail dismounting structure for road bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920849841.8U CN210315218U (en) | 2019-06-06 | 2019-06-06 | Steel guardrail dismounting structure for road bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210315218U true CN210315218U (en) | 2020-04-14 |
Family
ID=70142493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920849841.8U Expired - Fee Related CN210315218U (en) | 2019-06-06 | 2019-06-06 | Steel guardrail dismounting structure for road bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210315218U (en) |
-
2019
- 2019-06-06 CN CN201920849841.8U patent/CN210315218U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |