CN222893474U - A cutting device for false seams of bridge guardrails - Google Patents
A cutting device for false seams of bridge guardrails Download PDFInfo
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- CN222893474U CN222893474U CN202421788289.3U CN202421788289U CN222893474U CN 222893474 U CN222893474 U CN 222893474U CN 202421788289 U CN202421788289 U CN 202421788289U CN 222893474 U CN222893474 U CN 222893474U
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- bridge deck
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- positioning
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Abstract
本发明提供一种用于桥面护栏假缝的切割装置，切割装置包括假缝定位工装与切割机构；假缝定位工装包括定位框架，定位框架上设置有导向轨道，导向轨道的轨迹与桥面护栏横截面的轨迹一致，当定位框架固定在桥面护栏上时，导向轨道的内侧贴紧在桥面护栏上；切割机构包括手持切割机，手持切割机的一侧至少设置有两个导向组件，导向组件沿导向轨道的外侧导向移动。该切割装置，不仅提高了假缝的切割质量，节约了施工成本；而且极大缩短了每条假缝的切割时间，提高了施工效率。通过移动轮沿桥面护栏移动，从而完全不用将定位框架从桥面护栏上取下，即可使定位框架跨在桥面护栏上进行移动，更加便于定位框架沿着桥面护栏进行位移。
The present invention provides a cutting device for false seams of bridge guardrails, the cutting device comprising a false seam positioning tool and a cutting mechanism; the false seam positioning tool comprises a positioning frame, the positioning frame is provided with a guide track, the track of the guide track is consistent with the track of the cross section of the bridge guardrail, when the positioning frame is fixed on the bridge guardrail, the inner side of the guide track is closely attached to the bridge guardrail; the cutting mechanism comprises a handheld cutting machine, at least two guide components are provided on one side of the handheld cutting machine, and the guide components are guided and moved along the outer side of the guide track. The cutting device not only improves the cutting quality of false seams and saves construction costs; but also greatly shortens the cutting time of each false seam and improves construction efficiency. By moving along the bridge guardrail through the moving wheel, the positioning frame can be moved across the bridge guardrail without removing the positioning frame from the bridge guardrail, which makes it easier for the positioning frame to move along the bridge guardrail.
Description
Technical Field
The invention belongs to the technical field of bridge deck system construction, and particularly relates to a cutting device for a bridge deck guardrail false joint.
Background
Reinforced concrete wall type guardrails are often selected for highway bridge guardrails, the guardrails are of an SS level according to drawing requirements, the bottom width is 530mm, and the height is 1100mm higher than the bridge deck pavement. The concrete guard rail is provided with a false seam every 4m, the left and right 4 false seams are on the same section, the false seam is every 4m, the kerf width is 3mm, the kerf depth is 30mm, the shrinkage stress of the concrete is ensured to be split and dispersed at the location, and the arc-shaped design is used.
However, when a simple cutting machine is used for cutting the false seam at the present stage, the verticality, the width and the depth of the false seam are difficult to control, and the phenomenon that the false seam is in a corner falling state due to the fact that the false seam is in a shortage caused by uneven stress of workers in operation often occurs, so that the construction quality is poor, and the construction efficiency is low.
Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide a cutting device for a bridge deck guardrail false joint, which at least solves the problems in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
The cutting device comprises a false seam positioning tool and a cutting mechanism;
The false seam positioning tool comprises a positioning frame, wherein a guide rail is arranged on the positioning frame, the track of the guide rail is consistent with the track of the cross section of the bridge deck guardrail, and when the positioning frame is fixed on the bridge deck guardrail, the inner side of the guide rail is tightly attached to the bridge deck guardrail;
The cutting mechanism comprises a handheld cutting machine, one side of the handheld cutting machine is at least provided with two guide assemblies, and the guide assemblies move along the outer side of the guide rail in a guide way.
The cutting device for the bridge deck guardrail false joints is characterized in that the guide assembly comprises a mounting seat and a bearing, the mounting seat is arranged on one side, facing the guide rail, of the handheld cutting machine, the bearing is sleeved on the mounting seat, and the outer ring of the bearing is used for being tightly attached to the outer side of the guide rail.
The cutting device for the false seam of the bridge deck guard rail is described above, and preferably, the connecting line of the two guide assemblies passes through the center of the saw disc in the handheld cutting machine.
The cutting device for the false seam of the bridge deck guardrail as described above, preferably, the left and right sides of the positioning frame are provided with a plurality of bolt holes, each bolt hole is internally provided with a positioning rod in a threaded manner, and each positioning rod is internally provided with a nut in a threaded manner;
When the false joint positioning tool moves in place, and after the inner side of the guide rail is tightly attached to the bridge deck guardrail, the positioning rod in the bolt hole is rotated, one end of the positioning rod is tightly supported on the bridge deck guardrail, and then the nut is screwed to fix the positioning rod.
According to the cutting device for the false seam of the bridge deck guardrail, preferably, the positioning frame is further provided with the moving unit, and the positioning frame is moved to the position of the next false seam of the bridge deck guardrail through the moving unit after the false seam is cut.
According to the cutting device for the bridge deck guardrail false joints, preferably, the moving unit comprises a pair of channel steel, a wheel frame is arranged between the pair of channel steel in a guiding manner, moving wheels are rotatably arranged on the wheel frame, and a telescopic rod is arranged between the wheel frame and the positioning frame.
The cutting device for the false seam of the bridge deck guard rail as described above is preferable that the top of the positioning frame is provided with at least two moving units toward one side of the bridge deck guard rail.
The cutting device for the false seam of the bridge deck guard rail as described above is preferable that the side of the positioning frame facing inwards of the outer part of the bridge deck guard is provided with at least one moving unit.
The beneficial effects are that:
the cutting device is used for bridge deck guardrail construction, when a false joint is required to be cut on the bridge deck guardrail, the positioning frame is fixed on the bridge deck guardrail, the inner side of the guide rail is tightly attached to the bridge deck guardrail, the guide rail is positioned at the position where the false joint is required to be cut, then a constructor picks up the handheld cutting machine, and tightly attaches the guide assembly on the handheld cutting machine to the outer side of the guide rail, so that the handheld cutting machine can cut the false joint on the bridge deck guardrail along the guide rail, the cutting quality of the false joint is improved, the construction cost is saved, the cutting time of each false joint is greatly shortened, and the construction efficiency is improved.
When the positioning frame needs to be moved, the telescopic rod stretches, the movable wheels are pushed out of the channel steel, the movable wheels are in contact with the bridge deck guardrail, and the movable wheels move along the bridge deck guardrail, so that the positioning frame can be moved across the bridge deck guardrail without being taken down from the bridge deck guardrail, and the positioning frame can be moved along the bridge deck guardrail more conveniently.
After the positioning frame moves in place, the telescopic rod contracts, so that the positioning frame is arranged on the bridge deck guardrail in an upward mode, a guide rail in the positioning frame is conveniently attached to the position of the bridge deck guardrail, the false seam is to be cut, and then the positioning rod is fixed, so that the positioning frame and the bridge deck guardrail are mutually fixed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. Wherein:
FIG. 1 is a front view of a cutting device according to one embodiment of the present invention;
FIG. 2 is a side view of a cutting device according to one embodiment of the present invention;
Fig. 3 is a partial enlarged view of a mobile unit according to an embodiment of the present invention.
In the figure, 1, a positioning frame; 2, a guide rail, 3, a handheld cutter, 4, a mounting seat, 5, a bearing, 6, a positioning rod, 7, a moving unit, 71, a telescopic rod, 72, channel steel, 73, a wheel carrier, 74 and a moving wheel.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
In the description of the present invention, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled" and "connected" as used herein are to be construed broadly, and may be, for example, fixedly coupled or detachably coupled, or may be directly coupled or indirectly coupled through intermediate members, as will be apparent to those of ordinary skill in the art, in view of the detailed description of the terms.
The invention will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
According to an embodiment of the present invention, as shown in fig. 1-3, the present invention provides a cutting device for a false joint of a bridge deck guardrail, where the cutting device includes a false joint positioning tool and a cutting mechanism.
The false joint positioning tool comprises a positioning frame 1, wherein a guide rail 2 is arranged on the positioning frame 1, the track of the guide rail 2 is consistent with the track of the cross section of the bridge deck guardrail, and when the positioning frame 1 is fixed on the bridge deck guardrail, the inner side of the guide rail 2 is tightly attached to the bridge deck guardrail.
The cutting mechanism comprises a handheld cutting machine 3, at least two guide assemblies are arranged on one side of the handheld cutting machine 3, and the guide assemblies move along the outer side of the guide track 2 in a guide mode.
In the cutting device, when a false seam is required to be cut on the bridge deck guardrail, the positioning frame 1 is fixed on the bridge deck guardrail, the inner side of the guide rail 2 is tightly attached to the bridge deck guardrail, the guide rail 2 is positioned at the position where the false seam is required to be cut, then a constructor picks up the handheld cutting machine 3, and tightly attaches the guide assembly on the handheld cutting machine 3 to the outer side of the guide rail 2, so that the handheld cutting machine 3 can cut the false seam on the bridge deck guardrail along the guide rail 2, the cutting quality of the false seam is improved, the construction cost is saved, the cutting time of each false seam is greatly shortened, and the construction efficiency is improved.
The guide assembly comprises a mounting seat 4 and a bearing 5, wherein the mounting seat 4 is arranged on one side, facing the guide rail 2, of the handheld cutting machine 3, the bearing 5 is sleeved on the mounting seat 4, and the outer ring of the bearing 5 is used for being tightly attached to the outer side of the guide rail 2.
In one embodiment of the application, the bearing 5 rotates freely on the mounting seat 4, so that after the handheld cutter 3 is tightly attached to the guide rail 2, the bearing 5 rolls along the guide rail 2, and the handheld cutter 3 can move along the guide rail 2 more conveniently.
The line connecting the two guide assemblies passes through the center of the saw disc in the hand held cutter 3. In one embodiment of the application, two guide components are arranged at two sides of the saw disc of the handheld cutter 3, and the connecting line of the guide components passes through the center of the saw disc, so that the two guide components can more uniformly support the saw disc at two sides of the saw disc, and the handheld cutter 3 can more stably perform cutting operation when the handheld cutter 3 moves along the guide track 2.
The left and right sides of the positioning frame 1 have a plurality of bolt holes, one positioning rod 6 is screw-fitted in each bolt hole, and each positioning rod 6 is screw-fitted with a nut.
When the false joint positioning tool moves in place, and after the inner side of the guide rail 2 is tightly attached to the bridge deck guardrail, the positioning rod 6 in the bolt hole is rotated, one end of the positioning rod 6 is tightly propped against the bridge deck guardrail, and then the nut is screwed to fix the positioning rod 6.
In one embodiment of the application, at least two positioning rods 6 are arranged on one side of the positioning frame 1, where the guiding rail 2 is arranged, at least one positioning rod 6 is arranged on the other side of the positioning frame 1, and the positioning frame 1 is firmly fixed on the bridge deck guard rail through the positioning rods 6 on two sides of the positioning frame 1.
The positioning frame 1 is further provided with a moving unit 7, and the moving unit 7 is used for moving the positioning frame 1 to the position of the next false joint of the bridge deck guardrail after the false joint cutting is completed. By providing the moving unit 7, the transfer positioning frame 1 is more facilitated.
The moving unit 7 includes a pair of channel steel 72, a wheel frame 73 is guided between the pair of channel steel 72, a moving wheel 74 is rotatably provided on the wheel frame 73, and a telescopic rod 71 is provided between the wheel frame 73 and the positioning frame 1.
In one embodiment of the present application, when the positioning frame 1 needs to be moved, the telescopic rod 71 is extended, the moving wheel 74 is pushed out of the channel steel 72, so that the moving wheel 74 contacts the bridge deck guard rail, and at this time, the positioning frame 1 is pushed up without contacting the bridge deck guard rail, and then the positioning frame 1 is pushed to move the moving wheel 74 along the bridge deck guard rail, so that the positioning frame 1 can be moved across the bridge deck guard rail without removing the positioning frame 1 from the bridge deck guard rail at all, and the displacement of the positioning frame 1 along the bridge deck guard rail is facilitated.
After the positioning frame 1 moves in place, the telescopic rods 71 shrink, so that the wheel frames 73 and the moving wheels 74 are driven to retract into the pair of channel steel 72, the positioning frame 1 is arranged on the bridge deck guard rail in an upward mode, the guide rails 2 in the positioning frame 1 are conveniently attached to the positions of the bridge deck guard rails where false joints are to be cut, and then the positioning rods 6 are fixed, so that the positioning frame 1 and the bridge deck guard rails are mutually fixed.
In this embodiment, the telescopic rod 71 may be a telescopic rod structure such as a hydraulic rod, so as to drive the wheel frame 73 and the moving wheel 74 to move in a pair of channel steel 72 in a guiding manner. A baffle is provided at the bottom of the channel 72 to prevent the wheel carriage 73 from coming out of the guide range of the channel 72.
At least two moving units 7 are arranged on the side of the top of the positioning frame 1 facing the bridge deck guard rail. In one embodiment of the application, two moving units 7 are arranged at the top of the positioning frame 1, so that the positioning frame 1 can be ensured to move more stably and reliably along the bridge deck guard rail.
The positioning frame 1 is provided with at least one moving unit 7 on the side facing inwards of the deck guard. In one embodiment of the application, at least one moving unit 7 is arranged on the side part of the positioning frame 1, which plays an auxiliary guiding role, and can prevent the positioning frame 1 from shaking and swinging when moving, and further prevent the positioning frame 1 from colliding with the bridge deck guard rail when moving.
It is to be understood that the above description is intended to be illustrative, and that the embodiments of the present application are not limited thereto.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The cutting device for the false seam of the bridge deck guardrail is characterized by comprising a false seam positioning tool and a cutting mechanism;
The false seam positioning tool comprises a positioning frame, wherein a guide rail is arranged on the positioning frame, the track of the guide rail is consistent with the track of the cross section of the bridge deck guardrail, and when the positioning frame is fixed on the bridge deck guardrail, the inner side of the guide rail is tightly attached to the bridge deck guardrail;
The cutting mechanism comprises a handheld cutting machine, one side of the handheld cutting machine is at least provided with two guide assemblies, and the guide assemblies move along the outer side of the guide rail in a guide way.
2. The cutting device for false joints of bridge deck guardrails according to claim 1, wherein the guide assembly comprises a mounting seat and a bearing, the mounting seat is arranged on one side of the hand-held cutter facing the guide rail, the bearing is sleeved on the mounting seat, and an outer ring of the bearing is used for being tightly attached to the outer side of the guide rail.
3. A cutting device for false joints of deck guard rails as in claim 2 wherein the line of two guide assemblies passes through the center of the saw disc in the hand held cutter.
4. The cutting device for a false joint of a bridge deck guard rail according to claim 1, wherein the left and right sides of the positioning frame have a plurality of bolt holes, one positioning rod is screw-fitted in each bolt hole, and each positioning rod is screw-fitted with a nut;
When the false joint positioning tool moves in place, and after the inner side of the guide rail is tightly attached to the bridge deck guardrail, the positioning rod in the bolt hole is rotated, one end of the positioning rod is tightly supported on the bridge deck guardrail, and then the nut is screwed to fix the positioning rod.
5. The cutting device for the false joint of the bridge deck guard rail according to claim 4, wherein the positioning frame is further provided with a moving unit for moving the positioning frame to the position of the next false joint of the bridge deck guard rail by the moving unit after the false joint is cut.
6. The cutting device for false joints of bridge deck guard rail according to claim 5, wherein the moving unit comprises a pair of channel steels, a wheel frame is arranged between the pair of channel steels in a guiding manner, moving wheels are rotatably arranged on the wheel frame, and a telescopic rod is arranged between the wheel frame and the positioning frame.
7. The cutting device for a false joint of a bridge deck guard rail according to claim 6, wherein at least two moving units are provided at a side of the top of the positioning frame facing the bridge deck guard rail.
8. The cutting device for false joints of bridge deck guard rail according to claim 6, wherein the positioning frame is provided with at least one moving unit on an inward side of the outer portion of the bridge deck guard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421788289.3U CN222893474U (en) | 2024-07-26 | 2024-07-26 | A cutting device for false seams of bridge guardrails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421788289.3U CN222893474U (en) | 2024-07-26 | 2024-07-26 | A cutting device for false seams of bridge guardrails |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222893474U true CN222893474U (en) | 2025-05-23 |
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ID=95722675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421788289.3U Active CN222893474U (en) | 2024-07-26 | 2024-07-26 | A cutting device for false seams of bridge guardrails |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222893474U (en) |
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- 2024-07-26 CN CN202421788289.3U patent/CN222893474U/en active Active
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