CN219032819U - Dowel bar positioning device - Google Patents

Dowel bar positioning device Download PDF

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Publication number
CN219032819U
CN219032819U CN202320161567.1U CN202320161567U CN219032819U CN 219032819 U CN219032819 U CN 219032819U CN 202320161567 U CN202320161567 U CN 202320161567U CN 219032819 U CN219032819 U CN 219032819U
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China
Prior art keywords
adjusting
dowel
positioning device
lifting
base
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CN202320161567.1U
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Chinese (zh)
Inventor
唐继勇
周健
杨永翔
谭喜迅
张洪辉
赵柏权
宁健海
潘柳
邹沐恩
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Guangxi Road and Bridge Engineering Group Co Ltd
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Guangxi Road and Bridge Engineering Group Co Ltd
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Priority to CN202320161567.1U priority Critical patent/CN219032819U/en
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Abstract

The utility model provides a dowel bar positioning device which comprises a plurality of adjusting assemblies and brackets, wherein each adjusting assembly comprises a base, a lifting adjusting piece and a mounting frame, wherein the lifting adjusting piece is arranged on the base, and the mounting frame is arranged on the lifting adjusting piece so as to vertically move under the driving of the lifting adjusting piece; the support comprises a connecting frame and a plurality of positioning pipes, wherein the connecting frame is arranged on the mounting frame of the plurality of adjusting assemblies, and the plurality of positioning pipes are positioned on the same horizontal plane and fixed on the connecting frame at intervals and used for being inserted by the dowel bars. The dowel bar positioning device can enable the dowel bar to be installed smoothly, improves the installation quality of the dowel bar, and facilitates the removal of the end template.

Description

Dowel bar positioning device
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a dowel bar positioning device.
Background
The dowel bars refer to round bars which are arranged at the center of the plate thickness at certain intervals along the transverse seam of the cement concrete pavement plate. When concrete is poured continuously, the traditional dowel bar mounting mode adopts a simple retaining template, and even if the dowel bar approximately passes through the holes of the end templates at the middle position, the dowel bar is mounted. Because dowel bar length is great, and the end form is thinner, it is difficult to carry out effective support to the dowel bar, carries out the in-process that vibrates after concrete placement, and the dowel bar receives vibrations easily and takes place the slope, can receive the influence when the end form demolishs after the concrete initial setting, sometimes even is difficult to demolish.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the background art, and provides a dowel bar positioning device which can enable a dowel bar to be installed smoothly, improve the installation quality of the dowel bar and facilitate the removal of an end template.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the dowel bar positioning device comprises a plurality of adjusting assemblies and brackets, wherein each adjusting assembly comprises a base, a lifting adjusting piece and a mounting frame, the lifting adjusting piece is arranged on the base, and the mounting frame is arranged on the lifting adjusting piece so as to vertically move under the driving of the lifting adjusting piece; the support comprises a connecting frame and a plurality of positioning pipes, wherein the connecting frame is arranged on the mounting frame of the plurality of adjusting assemblies, and the plurality of positioning pipes are positioned on the same horizontal plane and fixed on the connecting frame at intervals and used for being inserted by the dowel bars.
Further, the lifting adjusting piece comprises a lifting screw rod and two locking nuts, and the lifting screw rod is vertically arranged and slidably penetrates through the base; the two locking nuts are in threaded connection with the lifting screw rod and respectively abutted against the two opposite side surfaces of the base; the mounting frame is connected with the top end of the lifting screw rod of the adjusting assembly.
Further, an adjusting hole is formed in the base in a penetrating mode, the lifting screw rod penetrates through the adjusting hole in a sliding mode, the two locking nuts are located on two opposite sides of the adjusting hole respectively, and the outer diameter of each locking nut is larger than the aperture of the adjusting hole.
Further, the dowel bar positioning device further comprises a gasket, and the gasket is clamped between the lock nut and the base.
Further, the lifting adjusting piece comprises an adjusting nut and an adjusting screw rod, the adjusting nut is rotatably arranged on the base and sleeved outside the adjusting screw rod, the adjusting screw rod is vertically arranged, and the adjusting screw rod is in threaded connection with the adjusting nut; the mounting bracket with adjusting screw top of adjusting component is connected.
Further, the connecting frame is detachably arranged on the mounting frame.
Further, a plurality of clamping grooves are formed in the top surface of the mounting frame at intervals, and the connecting frame is clamped in the clamping grooves corresponding to the adjusting components.
Further, the mounting frame comprises a fixed beam and a plurality of pairs of stop rods, the fixed beam is fixedly connected with the lifting adjusting piece, the plurality of pairs of stop rods are distributed at intervals along the length direction of the fixed beam, the bottom end of each stop rod is fixed on the top surface of the fixed beam, and each pair of stop rods and the fixed beam enclose a clamping groove.
Further, the connecting frame comprises at least two supporting tubes, and the at least two supporting tubes are arranged in parallel at intervals and are clamped with corresponding clamping grooves; the positioning pipes are fixed on at least two supporting pipes.
Further, the base comprises a main board and two opposite supporting side boards, the main board is fixedly connected to the tops of the two supporting side boards, and the lifting adjusting piece is arranged on the main board.
By adopting the technical scheme, the utility model has the following beneficial effects:
when the dowel bar positioning device is used, the dowel bars penetrate through the holes of the end templates and the positioning pipes of the support, the dowel bars are positioned through the positioning pipes positioned on the same horizontal plane, the dowel bars penetrating through the templates on the same end are positioned on the same horizontal plane, and the dowel bars are prevented from tilting, so that the dowel bars are horizontally and straightly installed, the installation quality of the dowel bars is improved, the end templates are conveniently removed, and the phenomenon that the templates are difficult to remove is avoided.
In addition, according to the dowel bar positioning device, the corresponding installation frame can be driven to lift through the lifting adjusting piece of the adjusting assembly, so that the adjusting assembly can adjust the height positions of the installation frame and the support according to different pavement design thicknesses or the installation heights of dowel bars, and the use requirements of more scenes are met.
Drawings
FIG. 1 is a schematic view of a dowel positioning apparatus according to a first embodiment of the present utility model;
FIG. 2 is an enlarged view of the dowel positioning device of FIG. 1 at A;
FIG. 3 is a schematic cross-sectional view of the adjusting assembly and the connecting frame of the dowel positioning apparatus shown in FIG. 2 taken along line B-B;
FIG. 4 is a schematic cross-sectional view of an adjustment assembly and a connector according to a second embodiment of the present utility model;
FIG. 5 is a reference view of the dowel positioning device of the first embodiment of the present utility model in use;
description of the main reference signs
10. An adjustment assembly; 11. a base; 112. a main board; 113. an adjustment aperture; 114. supporting the side plates; 13. a lifting adjusting member; 131. lifting screw rods; 132. a lock nut; 134. adjusting a screw; 135. an adjusting nut; 15. a mounting frame; 150. a clamping groove; 151. a fixed beam; 153. a stop lever; 16. a gasket; 30. a bracket; 31. a connecting frame; 311. a support tube; 32. a positioning tube; 40. a dowel bar; 50. an end template; 60. and (3) concrete.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1 to 3 and 5, a first embodiment of the present utility model provides a dowel positioning device, which includes a plurality of adjusting assemblies 10 and a bracket 30, wherein the bracket 30 is mounted on the adjusting assemblies 10 for positioning a dowel 40.
Each adjusting assembly 10 comprises a base 11, a lifting adjusting member 13 and a mounting frame 15, wherein the lifting adjusting member 13 is arranged on the base 11, and the mounting frame 15 is arranged on the lifting adjusting member 13 so as to vertically move under the driving of the lifting adjusting member 13. In the present embodiment, the base 11 includes a main board 112 and two opposite supporting side boards 114, and the main board 112 is fixedly connected to the top of the two supporting side boards 114. In this embodiment, the base 11 may be made of channel steel.
The lifting adjusting member 13 is mounted on the main board 112. In the present embodiment, the lifting adjusting member 13 includes a lifting screw 131 and two locking nuts 132, the lifting screw 131 is vertically disposed and slidably passes through the main board 112 of the base 11, specifically, an adjusting hole 113 is formed on the main board 112 of the base 11 in a penetrating manner, the adjusting hole 113 is located between the two supporting side boards 114, and the lifting screw 131 slidably passes through the adjusting hole 113. The two locking nuts 132 are in threaded connection with the lifting screw 131 and respectively abut against two opposite side surfaces of the base 11. In the present embodiment, the two lock nuts 132 are respectively located at two opposite sides of the adjustment hole 113, and the outer diameters of the two lock nuts 132 are larger than the aperture of the adjustment hole 113, so that the two lock nuts 132 can respectively abut against two opposite sides of the main board 112. The lifting screw 131 can be locked in a sliding manner through the two locking nuts 132, so that the lifting screw 131 is prevented from moving vertically relative to the base 11 at will; when the lock nuts 132 are loosened, the lifting screw 131 can be moved vertically. In this embodiment, the dowel positioning device further includes a spacer 16, where the spacer 16 is sandwiched between the lock nut 132 and the main plate 112 of the base 11. By providing the spacer 16 between the lock nut 132 and the base 11, the stability of the lock nut 132 to the slide locking of the lifting screw 131 can be further improved.
The mounting frame 15 is mounted on top of the lifting screw 131 of the lifting adjusting member 13, and in this embodiment, a plurality of clamping grooves 150 are formed on the top surface of the mounting frame 15 for mounting the bracket 30. Specifically, the mounting frame 15 includes a fixed beam 151 and a plurality of pairs of bars 153, the fixed beam 151 is fixedly connected with the top of the lifting screw 131 of the lifting adjusting member 13, the pairs of bars 153 are distributed at intervals along the length direction of the fixed beam 151, the bottom end of each bar 153 is fixed on the top surface of the fixed beam 151, and each pair of bars 153 and the fixed beam 151 enclose a clamping groove 150.
The bracket 30 comprises a connecting frame 31 and a plurality of positioning pipes 32, wherein the connecting frame 31 is arranged on the mounting frame 15 of the plurality of adjusting assemblies 10, and the plurality of positioning pipes 32 are positioned on the same horizontal plane and fixed on the connecting frame 31 at intervals for inserting the dowel bars 40. The connecting frame 31 is detachably mounted on the mounting frame 15, specifically, the connecting frame 31 includes at least two support tubes 311, and the at least two support tubes 311 are disposed in parallel and spaced apart and are clamped with corresponding clamping grooves 150. The positioning tube 32 is fixed to the top surfaces of at least two support tubes 311.
When the dowel bars 40 are installed after concrete is poured, the adjusting assemblies 10 are arranged at intervals along the arrangement direction of the dowel bars 40, the locking nuts 132 are unscrewed, the lifting screws 131 of the adjusting assemblies 10 are adjusted along the height direction so as to drive the mounting frame 15 and the support 30 to lift until the positioning tube 32 of the support 30 is positioned at the height position set by the dowel bars 40, then the locking nuts 132 are screwed to realize sliding locking of the lifting screws 131, and then the dowel bars 40 pass through the positioning tube 32 and holes (not labeled) of the end templates 50. When the end form 50 needs to be removed, the dowel bar positioning device is pulled away from the dowel bar 40 along the axial direction of the dowel bar 40, and after the end form 50 is demoulded, the end form 50 is moved along the axial direction of the dowel bar 40 until the end form 50 is separated from the dowel bar 40. Because of the positioning tube 32, the plurality of dowel bars 40 are positioned on the same horizontal plane, thereby facilitating the removal of the end form 50.
Example 2
Referring to fig. 4, a dowel positioning device according to a second embodiment of the present utility model is substantially the same as the dowel positioning device according to the first embodiment in structure, and includes a plurality of adjusting assemblies 10 and a bracket 30, wherein each adjusting assembly 10 includes a base 11, a lifting adjusting member 13 and a mounting frame 15, the lifting adjusting member 13 is mounted on the base 11, and the mounting frame 15 is mounted on the lifting adjusting member 13 so as to move vertically under the driving of the lifting adjusting member 13; the bracket 30 comprises a connecting frame 31 and a plurality of positioning pipes 32, wherein the connecting frame 31 is arranged on the mounting frame 15 of the plurality of adjusting components 10, and the plurality of positioning pipes 32 are positioned on the same horizontal plane and fixed on the connecting frame 31 at intervals for being inserted with the dowel bars 40, and the difference is the structure of the lifting adjusting component 13.
In this embodiment, the lifting adjusting member 13 includes an adjusting screw 134 and an adjusting nut 135, the adjusting nut 135 is rotatably mounted on the main board 112 of the base 11 and sleeved outside the adjusting screw 134, and the adjusting screw 134 is vertically disposed and is in threaded connection with the adjusting nut 135. When in use, the adjusting screw 134 can be driven to lift by rotating the adjusting nut 135, so that the adjustment is convenient.
When the dowel bar positioning device is used, the dowel bars 40 penetrate through the holes of the end templates 50 and the positioning pipes 32 of the support 30, the dowel bars 40 are positioned through the positioning pipes 32 positioned on the same horizontal plane, the dowel bars 40 penetrating through the same end templates 50 are ensured to be positioned on the same horizontal plane, and the dowel bars 40 are prevented from tilting, so that the dowel bars 40 are horizontally and straightly installed, the installation quality of the dowel bars 40 is improved, the end templates 50 are convenient to dismantle, and the phenomenon that the templates 50 are difficult to dismantle is avoided.
In addition, according to the dowel bar positioning device, the lifting adjusting piece 13 of the adjusting assembly 10 can be adjusted to drive the corresponding mounting frame 15 to lift, so that the adjusting assembly 10 can adjust the height positions of the mounting frame 15 and the support 30 according to different pavement design thicknesses or the mounting heights of the dowel bars 40, and the use requirements of more scenes can be met.
Above-mentioned dowel steel positioner, its support 30 is for dismantling with adjusting part 10 to be connected, when dowel steel positioner does not use, can support 30 follow draw out in draw-in groove 150 of mounting bracket 15 can, easily with support 30 and mounting bracket 15 split to make things convenient for dowel steel positioner's transportation, reduce dowel steel positioner and deposit required space.
It is understood that the shape of the base 11 is not limited to the present embodiment, and other shapes of the base 11 may be adopted.
It will be appreciated that the connection between the bracket 30 and the mounting frame 15 is not limited to this embodiment, and for example, in other embodiments, the bracket 30 may be fixedly connected to the mounting frame 15, or may be detachably connected by other manners in the prior art, such as bolting, etc.
It is to be understood that the structure of the elevation adjustment member 13 is not limited to the present embodiment, and other structures of the elevation adjustment mechanism in the prior art may be employed.
It is to be understood that the connecting frame 31 is not limited to the tubular structure of the present embodiment, and may be any other connecting frame in the prior art, as long as the positioning tube 32 can be mounted.
The foregoing description is directed to the preferred embodiments of the present utility model, but the embodiments are not intended to limit the scope of the utility model, and all equivalent changes or modifications made under the technical spirit of the present utility model should be construed to fall within the scope of the present utility model.

Claims (10)

1. The dowel bar positioning device is characterized by comprising a plurality of adjusting assemblies (10) and a bracket (30), wherein each adjusting assembly (10) comprises a base (11), a lifting adjusting piece (13) and a mounting frame (15), the lifting adjusting piece (13) is arranged on the base (11), and the mounting frame (15) is arranged on the lifting adjusting piece (13) so as to vertically move under the driving of the lifting adjusting piece (13); the support (30) comprises a connecting frame (31) and a plurality of positioning pipes (32), wherein the connecting frame (31) is arranged on the mounting frame (15) of the plurality of adjusting assemblies (10), and the plurality of positioning pipes (32) are positioned on the same horizontal plane and fixed on the connecting frame (31) at intervals and used for being inserted by the dowel bars.
2. Dowel positioning device according to claim 1, characterized in that the lifting adjusting member (13) comprises a lifting screw (131) and two locking nuts (132), the lifting screw (131) being arranged vertically and slidingly penetrating the base (11); the two locking nuts (132) are in threaded connection with the lifting screw (131) and respectively propped against the two opposite side surfaces of the base (11); the mounting frame (15) is connected with the top end of the lifting screw (131) of the adjusting assembly (10).
3. Dowel positioning device according to claim 2, characterized in that the base (11) is provided with a through-hole (113), the lifting screw (131) is slidably inserted into the through-hole (113), the two locking nuts (132) are respectively located at two opposite sides of the through-hole (113), and the outer diameters of the two locking nuts (132) are larger than the diameter of the through-hole (113).
4. Dowel positioning device according to claim 2, characterized in that the dowel positioning device further comprises a spacer (16), the spacer (16) being sandwiched between the lock nut (132) and the base (11).
5. The dowel positioning device according to claim 1, wherein the lifting adjusting member (13) comprises an adjusting nut (135) and an adjusting screw (134), the adjusting nut (135) is rotatably mounted on the base (11) and sleeved outside the adjusting screw (134), the adjusting screw (134) is vertically arranged, and the adjusting screw (134) is in threaded connection with the adjusting nut (135); the mounting frame (15) is connected with the top end of an adjusting screw (134) of the adjusting assembly (10).
6. Dowel positioning device according to claim 1, characterized in that the connecting frame (31) is detachably mounted on the mounting frame (15).
7. The dowel positioning device according to claim 6, wherein a plurality of clamping grooves (150) are formed in the top surface of the mounting frame (15) at intervals, and the connecting frame (31) is clamped in the corresponding clamping grooves (150) of the plurality of adjusting assemblies (10).
8. The dowel positioning device according to claim 7, wherein the mounting frame (15) comprises a fixed beam (151) and a plurality of pairs of stop rods (153), the fixed beam (151) is fixedly connected with the lifting adjusting piece (13), the plurality of pairs of stop rods (153) are distributed at intervals along the length direction of the fixed beam (151), the bottom end of each stop rod (153) is fixed on the top surface of the fixed beam (151), and each pair of stop rods (153) and the fixed beam (151) enclose a clamping groove (150).
9. The dowel positioning device according to claim 7, wherein the connecting frame (31) comprises at least two support tubes (311), and at least two support tubes (311) are arranged in parallel at intervals and are clamped with corresponding clamping grooves (150); the positioning pipes (32) are fixed on at least two supporting pipes (311).
10. The dowel positioning device according to claim 1, wherein the base (11) comprises a main board (112) and two opposite supporting side boards (114), the main board (112) is fixedly connected to the tops of the two supporting side boards (114), and the lifting adjusting member (13) is mounted on the main board (112).
CN202320161567.1U 2023-02-09 2023-02-09 Dowel bar positioning device Active CN219032819U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320161567.1U CN219032819U (en) 2023-02-09 2023-02-09 Dowel bar positioning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320161567.1U CN219032819U (en) 2023-02-09 2023-02-09 Dowel bar positioning device

Publications (1)

Publication Number Publication Date
CN219032819U true CN219032819U (en) 2023-05-16

Family

ID=86275767

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320161567.1U Active CN219032819U (en) 2023-02-09 2023-02-09 Dowel bar positioning device

Country Status (1)

Country Link
CN (1) CN219032819U (en)

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