CN210326963U

CN210326963U - Adjustable bracket special for tunnel

Info

Publication number: CN210326963U
Application number: CN201921584896.7U
Authority: CN
Inventors: 王银栋
Original assignee: Chongqing Xinnuotai Electric Co Ltd
Current assignee: Chongqing Xinnuotai Electric Co Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-04-14
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a special trailing arm in tunnel with adjustable relates to cable testing bridge trailing arm technical field, and a special trailing arm in tunnel with adjustable concrete, including the support bottom plate to and the support post of setting on the support bottom plate, the top fixedly connected with fixed plate of support bottom plate, and the top of fixed plate is connected with the inside in tunnel through expansion bolts, the front of support bottom plate has the support post through two fastening bolt threaded connection. This special trailing arm in tunnel with adjustable through set up the use that is arched through groove and cooperation fastening bolt and support post on the support bottom plate, can regulate and control the position angle of this trailing arm, simplified the installation procedure of support trailing arm, reduced man-hour, reduced the installation degree of difficulty simultaneously, improved the shaping precision of support trailing arm, improved the commonality of supporting material, the device can be prefabricated in the mill simultaneously, has reduced the material loss, has improved production efficiency.

Description

Adjustable bracket special for tunnel

Technical Field

The utility model relates to a cable testing bridge trailing arm technical field specifically is a special trailing arm in tunnel with adjustable.

Background

The cable bridge is divided into structures of groove type, tray type, ladder type, grid type and the like, and consists of a bracket, a supporting arm, an installation accessory and the like, the bracket arm support is a main part for supporting the cable bridge and the cable, and consists of an upright post, an upright post base, a bracket arm and the like, the cable bridge is arranged in the existing tunnel, because the top of the tunnel is arc-shaped, the angles are different due to the uncertain installation position between the bracket bottom plate and the angle steel upright post, the bottom plate and the upright post can not be prefabricated in advance, the material processing of the tunnel construction site is inconvenient, the bottom plate can be fixed on the arc top of the tunnel by expansion bolts firstly, then the angle steel upright post is welded on the bottom plate, meanwhile, the method is complex in process, time-consuming and labor-consuming, welding precision is not easy to control, the supporting arms cannot be arranged on the same horizontal plane after being installed, and surface rust prevention treatment cannot be performed on the welding positions, so that the adjustable supporting arm special for the tunnel is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special trailing arm in tunnel with adjustable has solved the problem that above-mentioned background art provided.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a special trailing arm in tunnel with adjustable, includes the support bottom plate to and the support post of setting on the support bottom plate, the top fixedly connected with fixed plate of support bottom plate, and the top of fixed plate is connected with the inside in tunnel through expansion bolts, the front of support bottom plate has the support post through two fastening bolt threaded connection, and one side of support post has stand foot rest base through fixing bolt threaded connection, stand foot rest base's shape is oblique trapezoidal, and stand foot rest base's inclined plane is downward, the top fixedly connected with backup pad of stand foot rest base, and the top fixed mounting of backup pad has the trailing arm.

Optionally, the front surface of the bracket bottom plate is provided with a circular through hole matched with the fastening bolt, and the front surface of the bracket bottom plate is provided with an arched through groove located right above the circular through hole.

Optionally, the cross-sectional shape of the support column is L-shaped, and round holes matched with the fastening bolts and the fixing bolts are respectively formed in the L-shaped support column.

Optionally, a rubber pad located on the fastening bolt is arranged between the support bottom plate and the support upright, and a rubber pad located on the fixing bolt is arranged between the support upright and the upright foot rest base.

Optionally, the shape of the supporting arm is in a shape of a Chinese character 'ao', and a protective pad is arranged inside the supporting arm.

The utility model discloses possess following beneficial effect:

1. this special trailing arm in tunnel with adjustable through set up the use that is arched through groove and cooperation fastening bolt and support post on the support bottom plate, can regulate and control the position angle of this trailing arm, simplified the installation procedure of support trailing arm, reduced man-hour, reduced the installation degree of difficulty simultaneously, improved the shaping precision of support trailing arm, improved the commonality of supporting material, the device can be prefabricated in the mill simultaneously, has reduced the material loss, has improved production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a bracket base plate; 2. a fixing plate; 3. fastening a bolt; 4. supporting the upright post; 5. fixing the bolt; 6. a stand foot frame base; 7. a support plate; 8. a bracket arm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: an adjustable bracket special for a tunnel comprises a bracket bottom plate 1 and a support upright post 4 arranged on the bracket bottom plate 1, wherein the top of the bracket bottom plate 1 is fixedly connected with a fixed plate 2, the mounting procedure of the bracket arm 8 used for mounting a tunnel bridge is simplified, the working hour is reduced, the mounting difficulty is reduced, the forming precision of the bracket arm 8 is improved, the universality of matched materials is improved, the material loss is reduced, the top of the fixed plate 2 is connected with the inside of the tunnel through an expansion bolt, the front surface of the bracket bottom plate 1 is in threaded connection with the support upright post 4 through two fastening bolts 3, an angle adjusting bolt can be adjusted to a required angle in an arbitrary sliding mode and fastened, one side of the support upright post 4 is in threaded connection with an upright post foot rest base 6 through a fixing bolt 5, the upright post foot rest base 6 is in an inclined ladder shape, the inclined plane of the upright post foot, the top of stand foot rest base 6 is fixedly connected with backup pad 7, and the top fixed mounting of backup pad 7 has trailing arm 8.

Wherein, the circular perforating hole with fastening bolt 3 looks adaptation is seted up in the front of support bottom plate 1, the front of support bottom plate 1 is seted up and is located directly over the circular perforating hole and be the arched groove that link up, can regulate and control the position angle of this trailing arm 8, the installation procedure of support trailing arm has been simplified, man-hour has been reduced, the installation degree of difficulty has been reduced simultaneously, the shaping precision of support trailing arm has been improved, the commonality of supporting material has been improved, the device can be prefabricated in the mill simultaneously, the material loss is reduced, and the production efficiency is improved.

Wherein, the cross-sectional shape of support post 4 is L shape, and sets up the round hole with fastening

bolt

3 and 5 looks adaptations of fixing bolt on the support post 4 of L shape respectively, and the convenience is accepted between support bottom plate 1 and the stand foot rest base 6, has improved the convenience of installation.

Wherein, be provided with the rubber pad that is located fastening bolt 3 between support bottom plate 1 and the support post 4, and be provided with the rubber pad that is located fixing bolt 5 between support post 4 and the stand foot rest base 6, place the phenomenon that takes place to skid between the installation back structure, improved the stability of device.

Wherein, the shape of trailing arm 8 is the character cut in bas-relief, and the inside of trailing arm 8 is provided with the protection and fills up, is convenient for place the cable inside it, can protect the cable simultaneously.

To sum up, this special trailing arm in tunnel with adjustable, during the use, at first adopt expansion bolts to fix support bottom plate 1 at the top in tunnel, then adopt fastening bolt 3 to pass fastening bolt 3 and put into the rubber pad and pass support post 4, fix it, then adopt fixing bolt 5 to pass support post 4 and put into the rubber pad and pass stand foot rest base 6, connect fixedly stand foot rest base 6, when its position deflects, twist fastening bolt 3 and regulate and control support post 4, can.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special trailing arm in tunnel with adjustable, includes support bottom plate (1) to and support post (4) of setting on support bottom plate (1), its characterized in that: the top fixedly connected with fixed plate (2) of support bottom plate (1), and the top of fixed plate (2) is connected with the inside in tunnel through expansion bolts, the front of support bottom plate (1) has support post (4) through two fastening bolt (3) threaded connection, and one side of support post (4) has stand foot rest base (6) through fixing bolt (5) threaded connection, the shape of stand foot rest base (6) is oblique trapezoidal, and the inclined plane of stand foot rest base (6) is down, the top fixedly connected with backup pad (7) of stand foot rest base (6), and the top fixed mounting of backup pad (7) has trailing arm (8).

2. The adjustable bracket arm special for the tunnel according to claim 1, wherein: the front surface of the support bottom plate (1) is provided with a circular through hole matched with the fastening bolt (3), and the front surface of the support bottom plate (1) is provided with an arched through groove which is positioned right above the circular through hole.

3. The adjustable bracket arm special for the tunnel according to claim 1, wherein: the cross-sectional shape of the support column (4) is L-shaped, and round holes matched with the fastening bolts (3) and the fixing bolts (5) are respectively formed in the L-shaped support column (4).

4. The adjustable bracket arm special for the tunnel according to claim 1, wherein: a rubber pad located on the fastening bolt (3) is arranged between the support bottom plate (1) and the support upright post (4), and a rubber pad located on the fixing bolt (5) is arranged between the support upright post (4) and the upright post foot rest base (6).

5. The adjustable bracket arm special for the tunnel according to claim 1, wherein: the shape of trailing arm (8) is the character cut in bas-relief, and the inside of trailing arm (8) is provided with the protection pad.