CN220647395U - Supporting rod of road surface state monitoring equipment for tunnel - Google Patents

Abstract

The application discloses road surface state monitoring facilities's for tunnel bracing piece, road surface state monitoring facilities includes the equipment body and locates the fixed plate of equipment body bottom, the bracing piece includes the stand, locate the horizontal pole of stand top transverse arrangement and locate the connecting piece of horizontal pole, the connecting piece is equipped with the lateral part at the connecting piece and has open-ended holding the chamber, the top of connecting piece is equipped with the connector that communicates with holding the chamber, the fixed plate inserts through the opening and holds in the chamber, opening part sliding connection has the locking board, the locking board has the locking state of closing the opening and the unblock state of opening. The method and the device improve the installation efficiency of the staff on the road surface state monitoring equipment, particularly for the tunnel which is already in traffic, shorten the time occupied by the road and avoid the occurrence of safety accidents.

Description

Supporting rod of road surface state monitoring equipment for tunnel

Technical Field

The application belongs to the technical field of monitoring devices, and particularly relates to a supporting rod of a road surface state monitoring device for a tunnel.

Background

Along with the development of social economy, a great deal of expressways are developed, high standards are provided for road construction technologies, and smooth lines, gentle gradients and the like are required, so that the scheme of mountain detouring in the past is changed into a tunnel scheme when the roads pass through mountain areas.

Because the road inside the tunnel is blocked by the mountain, the road surface inside the tunnel is different from the road surface outside the tunnel, and the road surface outside the tunnel is required to be monitored in real time by the road surface state monitoring equipment at the outlet of the tunnel, so that the change of the road surface state of a vehicle is reminded, and the passing safety of the vehicle is improved.

The road surface state monitoring equipment is used for monitoring the states of moisture, humidity and dryness of the road surface in real time according to the infrared spectrum characteristics of water, ice and snow and comparing the spectrum information reflected by the dry road surface with the spectrum information obtained under the condition of covering, measuring the covering thickness and type of the water, the snow and the ice and providing a road wet and slippery warning for a road weather information system.

The road surface state monitoring equipment is installed on the bracing piece generally, and the bracing piece is including locating the stand at road edge and locating the top transverse arrangement's of stand horizontal pole, and road surface state monitoring equipment passes through many bolts fixed mounting in the horizontal pole.

When the road surface state monitoring equipment is installed, the supporting rods are usually installed and fixed firstly, then the lifting vehicle is used for lifting the staff to the position where the cross rod is located, so that the staff can fix the road surface state monitoring equipment by using the bolts, the installation efficiency of the road surface state monitoring equipment is lower, and particularly for tunnels which are already in traffic, the normal lanes are required to be occupied when the road surface state monitoring equipment is installed, and therefore the normal traffic of vehicles is seriously influenced, and traffic accidents can be caused when the traffic accidents are serious.

Disclosure of Invention

The application provides a bracing piece of road surface state monitoring facilities for tunnel to reduce the required duration when installing road surface state monitoring facilities, improve the installation effectiveness to road surface state monitoring facilities.

The technical scheme adopted by the application is as follows:

the utility model provides a road surface state monitoring facilities's bracing piece for tunnel, road surface state monitoring facilities includes the equipment body and locates the fixed plate of equipment body bottom, the bracing piece includes the stand, locates the horizontal pole of stand top transverse arrangement and locates the connecting piece of horizontal pole, the connecting piece is equipped with the lateral part of connecting piece has open-ended and holds the chamber, the top of connecting piece be equipped with hold the connector of chamber intercommunication, the fixed plate warp the opening inserts in holding the chamber, opening part sliding connection has the locking board, the locking board has to the locking state that the opening was closed and will the unblock state that the opening was opened.

By adopting the technical scheme, when the road surface state monitoring equipment is installed, the supporting rod is firstly installed, namely the upright post is fixed at the edge of a road, so that the upright post is in a vertical state, the cross rod is in a horizontal state, then the lifting vehicle is used for lifting the staff, so that the staff moves to the position where the connecting piece is positioned with the road surface state monitoring equipment, then the locking plate slides towards the unlocking state, so that the opening is opened, then the staff stretches the fixing plate arranged at the bottom of the road surface state monitoring equipment into the accommodating cavity through the opening, then slides towards the locking state, so that the locking plate closes the opening, and then the locking plate blocks the fixing plate, so that the situation that the fixing plate is separated from the accommodating cavity is avoided, and the installation of the road surface state monitoring equipment is completed; in the process of installing the road surface state monitoring equipment, the condition that a plurality of bolts are required to be used for fixing the road surface state monitoring equipment is avoided, so that the time required for installing the road surface state monitoring equipment is shortened, and the installation efficiency of the road surface state monitoring equipment is improved.

In addition, especially for tunnels already in traffic, the time required for installing the road surface state monitoring equipment is shortened, so that the time for influencing road traffic is shortened, and the possibility of traffic accidents is greatly reduced.

Optionally, guide rails are disposed on two sides of the opening, and two sides of the locking plate respectively extend into the two guide rails so that the guide rails guide the locking plate.

Through adopting above-mentioned technical scheme, when carrying out the slip to the locking board, the locking board takes place relative slip with the guide rail to make the guide rail carry out the direction of sliding to the locking board, thereby increase the stability when the locking board moves, and the both sides of locking board stretch into respectively in two guide rails, so that the guide rail blocks the locking board, in order to avoid the locking board to separate the condition with the guide rail in open-ended direction, thereby increase the stability of locking board, and then increase the connection stability of fixed plate and connecting piece.

Optionally, the guide rail is vertically arranged, and a blocking part is arranged at the bottom of the guide rail to block the locking plate.

Through adopting above-mentioned technical scheme, the locking board slides to when contradicting with the blocking portion, and the locking board can't continue to slide, makes blocking portion stop the locking board then to avoid the locking board to break away from the condition of bottom and guide rail at the guide rail, establish the guide rail into vertically in addition, can also be convenient for the staff to operate the locking board, in order to further improve the installation effectiveness to road surface state monitoring facilities.

Optionally, the guide rail is parallel to the slip direction of locking board is equipped with the guide way, the lateral part of locking board is equipped with stretches out the guide bar of guide way, the lateral part of guide rail is provided with the connecting rod, the connecting rod with be equipped with the elastic component between the guide bar, the locking board is in when the unblock state, the elastic component is in deformation state.

Through adopting above-mentioned technical scheme, when sliding to the locking piece towards the unblock state, the locking piece application of force, in order to make the locking piece take place deformation, then make and install the fixed plate back in holding the chamber, the staff unclamps the locking plate, the locking plate resumes deformation, thereby make the locking plate automatic orientation locking state motion and close the opening, the condition that needs the staff to the locking plate orientation locking state driven has been avoided promptly, improve the installation effectiveness of staff to road surface state monitoring facilities, in addition, the locking plate still need overcome the elasticity of elastic component when moving towards the unblock state, in order to increase the required force when locking plate orientation unblock state motion, thereby increase the stability after the locking plate is to the opening locking, and then increase the connection stability of road surface state monitoring facilities and connecting piece.

Optionally, the connecting rod is located the top of guide bar, the elastic component be both ends respectively with the guide bar with the extension spring of connecting rod joint.

Through adopting above-mentioned technical scheme, when sliding the locking board towards the unblock state, the locking board drives the guide bar motion, the guide bar carries out the pulling to the extension spring, the connecting rod supports the top one end of extension spring, so that elastic deformation takes place for the extension spring, after loosening the locking board, the extension spring resumes deformation under the effect of self elasticity, thereby make the guide bar drive the locking board and move towards the locking state, this in-process avoids the condition that needs the manual locking board of staff to operate, thereby make the staff install the fixed plate to hold in the chamber and can loosen the locking board, and make the lift descend, the time that is required for the installation of road surface state monitoring facilities has been shortened, reduce the time that multichannel road traffic occupy, avoid the emergence of incident.

Optionally, the top cavity wall of the accommodating cavity and/or the bottom cavity wall of the accommodating cavity are provided with an elastic sheet, so that the elastic sheet applies an elastic force to the fixing plate towards the interior of the accommodating cavity.

Through adopting above-mentioned technical scheme, when pressing the fixed plate towards holding the chamber in, the fixed plate applys pressure to the elastic piece to make the elastic piece butt in the fixed plate, offset the fixed plate with holding the clearance of chamber wall, thereby avoid the fixed plate and hold the chamber between the chamber wall that the clearance leads to the fixed plate to hold the condition that the chamber rocked, and then increase the stability that the fixed plate was installed to holding the chamber, increase road surface state monitoring facilities's stability.

Optionally, the elastic sheet is towards the inside protruding crooked setting in holding the chamber, the one end of elastic sheet with hold the chamber wall fixed connection in chamber, the other end of elastic sheet with hold the chamber wall conflict in chamber.

Through adopting above-mentioned technical scheme, when pressing the fixed plate towards holding the chamber in, the fixed plate applys pressure to the elastic sheet to make the elastic sheet take place deformation and support tightly in the fixed plate, with the fixed plate with hold the clearance offset between the chamber wall, and then increase the stability of road surface state monitoring facilities.

Optionally, a positioning portion is provided on a wall of the accommodating cavity opposite to the opening, and a positioning notch matched with the positioning portion is provided on the fixing plate.

Through adopting above-mentioned technical scheme, install the fixed plate to hold in the chamber after, in the location portion stretches into the location breach to make the cooperation of location portion and location breach carry out spacingly to the rotation of fixed plate, with the stability that increases road surface state monitoring facilities, in addition, through setting up the location breach on the fixed plate, can also reach the effect of being convenient for fix a position the installation direction of fixed plate, with the improvement staff to the installation effectiveness of road surface state monitoring facilities.

Optionally, the top of stand is equipped with the horizontal through-hole that runs through, the drill way department of through-hole is provided with the locking pipe, the tip of horizontal pole is equipped with stretch into the through-hole and with locking pipe threaded connection's locking lever.

Through adopting above-mentioned technical scheme, when installing the horizontal pole, aim at the mouth of pipe of locking lever and locking pipe earlier, then rotate the horizontal pole to make horizontal pole and locking pipe threaded connection be in the same place, and make the locking lever stretch into in the through-hole, in order to accomplish the installation to the horizontal pole, this in-process has avoided the condition that needs to use many bolts to install the horizontal pole, thereby has improved the packaging efficiency to the bracing piece.

Optionally, the top of stand is equipped with the lightning rod, the bottom of lightning rod be equipped with stand threaded connection's end cover, the bottom of end cover is equipped with the locking lever of wearing out the locking lever.

Through adopting above-mentioned technical scheme, with horizontal pole and stand installation back together, install the lightning rod to make end cover and stand threaded connection be in the same place, make the locking lever wear out the locking lever in the one end that the end cover was kept away from to the locking lever simultaneously, so that the cooperation of locking lever and locking lever realizes spacing to horizontal pole pivoted, and then increases the connection stability of horizontal pole and stand.

Due to the adoption of the technical scheme, the beneficial effects obtained by the application are as follows:

1. through setting up stand, horizontal pole, connecting piece and locking plate, the connecting piece is equipped with the holding chamber that has the opening in the lateral part of connecting piece, and the connecting piece is equipped with the connector that communicates with holding chamber, locking plate sliding connection in the opening part to realize opening and closing to the opening, improved the installation effectiveness of staff to road condition monitoring facilities, especially for the tunnel that has passed through, shortened the time that takes up to the road, avoided the emergence of incident;

2. through the arrangement of the guide rails, two sides of the locking plate respectively extend into the two guide rails, so that the guide rails guide the movement of the locking plate, and the movement stability of the locking plate is improved;

3. through with the vertical setting of guide rail, the bottom of guide rail has the portion of blocking in order to block the locking board to avoid the locking board to break away from the condition of bottom and guide rail at the guide rail, establish the guide rail into vertically in addition, can also be convenient for the staff to operate the locking board, in order to further improve the installation effectiveness to road surface state monitoring facilities.

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 application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 is a schematic structural view of a road surface condition monitoring apparatus for tunnel according to an embodiment of the present application;

FIG. 2 is a schematic structural view of the fixing plate according to one embodiment of the present application;

FIG. 3 is a schematic view of a structure of a support rod according to an embodiment of the present application;

FIG. 4 is a schematic view of a portion of a support rod according to one embodiment of the present application, mainly illustrating a connection member;

FIG. 5 is a cross-sectional view of a connector according to one embodiment of the present application;

FIG. 6 is another perspective cross-sectional view of the connector according to one embodiment of the present application, the resilient member not being shown;

FIG. 7 is a schematic view of another view of the connector according to one embodiment of the present disclosure;

FIG. 8 is a top view of the connector according to one embodiment of the present application, primarily showing the positioning portion;

fig. 9 is a schematic view of a portion of the structure of the support bar according to one embodiment of the present application, mainly illustrating the locking bar.

Reference numerals:

1. an equipment body; 2. a fixing plate; 21. positioning the notch; 3. a column; 31. a through hole; 311. a locking tube; 312. a support tube; 4. a cross bar; 41. a locking lever; 5. a connecting piece; 51. a receiving chamber; 511. an opening; 512. a connection port; 513. an elastic sheet; 514. a positioning part; 52. a guide rail; 521. a blocking portion; 522. a guide groove; 523. a connecting rod; 6. a locking plate; 61. a guide rod; 7. an elastic member; 8. a lightning rod; 81. an end cap; 811. and a locking rod.

Detailed Description

In order to more clearly illustrate the general concepts of the present application, a detailed description is provided below by way of example in connection with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below. It should be noted that, in the case of no conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

In addition, in the description of the present application, it should be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 9, a supporting rod of a road surface state monitoring device for a tunnel, wherein the road surface state monitoring device comprises a device body 1 and a fixing plate 2 arranged at the bottom of the device body 1, the fixing plate 2 is used for fixing the device body 1, so as to avoid the condition that the device body 1 is directly fixed and is easy to damage the device body 1. The bracing piece is including locating the stand 3 at road edge, locate stand 3 top transverse arrangement's horizontal pole 4 and locate the connecting piece 5 of horizontal pole 4, connecting piece 5 is equipped with the holding chamber 51 that has opening 511 in the lateral part of connecting piece 5, the top of connecting piece 5 is equipped with the connector 512 that communicates with holding chamber 51, fixed plate 2 inserts through opening 511 and holds chamber 51 in order to make fixed plate 2 hold in holding chamber 51, opening 511 department sliding connection has locking plate 6, locking plate 6 has the locking state of closing opening 511 and the unblock state of opening 511.

That is, when the locking plate 6 is in the locked state, the locking plate 6 blocks the fixed plate 2, that is, the locking plate 6 abuts against the side surface of the fixed plate 2, so as to avoid the condition that the fixed plate 2 is separated from the accommodating cavity 51 through the opening 511; when the locking plate 6 is in the unlocked state, the locking plate 6 and the opening 511 are retracted from each other, so that the fixing plate 2 can be taken out of the accommodating chamber 51 through the opening 511.

When the road surface state monitoring equipment is installed, the upright post 3 is fixed at the edge of a road, so that the upright post 3 is in a vertical state, the cross rod 4 is in a horizontal state and is parallel to the length direction of the road, then a lifter is used for lifting a worker and the road surface state monitoring equipment, the worker slides the locking plate 6, so that the locking plate 6 moves towards an unlocking state, the opening 511 of the connecting piece 5 is opened, then the fixing plate 2 is inserted into the accommodating cavity 51 through the opening 511 of the connecting piece 5, the locking plate 6 slides reversely, so that the locking plate 6 moves towards the locking state, the opening 511 is closed by the locking plate 6 and the fixing plate 2 is blocked, the installation of the road surface state monitoring device is completed, the process avoids the condition that the fixing plate 2 needs to be fixed by using a plurality of bolts, the fixing step of the fixing plate 2 is simplified, the time required for installing the road surface state monitoring equipment is shortened, and the installation efficiency of the road surface state monitoring equipment is improved.

Particularly for tunnels which are already in traffic, the time required for installing the road surface state monitoring equipment is greatly shortened, the time occupied by the road is shortened, and then the occurrence of safety accidents is avoided.

In a preferred embodiment, referring to fig. 4 and 5, both sides of the opening 511 of the connector 5 are provided with guide rails 52, and both sides of the locking plate 6 extend into the two guide rails 52, so that, when the locking plate 6 slides, the guide rails 52 guide the sliding direction of the locking plate 6 to increase the stability of the locking plate 6 during movement, and the guide rails 52 limit the movement of the locking plate 6 in the direction of the opening 511 to avoid the separation of the locking plate 6 from the opening 511, thereby increasing the stability of the road surface condition monitoring device.

In a preferred embodiment, referring to fig. 4 and 5, the guide rail 52 is vertically disposed, and the bottom of the guide rail 52 has a blocking portion 521 to block the locking plate 6, preventing the locking plate 6 from being separated from the bottom of the guide rail 52 from the guide rail 52, thereby increasing the connection stability of the locking plate 6 with the guide rail 52 and increasing the locking stability to the road surface condition monitoring apparatus.

Of course, in other embodiments, the guide rail 52 may be disposed horizontally so that the left and right slide lock plate 6 effects opening and closing of the opening 511 of the connector 5.

Further, referring to fig. 5 and 7, the guide rail 52 is provided with a guide groove 522, the guide groove 522 is provided parallel to the sliding direction of the locking plate 6, the side portion of the locking plate 6 is provided with a guide rod 61 extending out of the guide groove 522, the side portion of the guide rail 52 is provided with a connecting rod 523, an elastic member 7 is provided between the connecting rod 523 and the guide rod 61, and when the locking plate 6 is in an unlocked state, the elastic member 7 is in a deformed state, so that the locking plate 6 moves toward the locked state under the action of the elastic member 7 when the locking plate 6 is not subjected to an external force.

Specifically, when the locking plate 6 is slid to move the locking plate 6 toward the unlocking state, the locking plate 6 drives the guide rod 61 to move, the guide rod 61 and the guide groove 522 relatively slide to guide the movement of the locking plate 6, the stability of the locking plate 6 is further increased, when the locking plate 6 moves toward the unlocking state, the guide rod 61 applies force to the elastic member 7, the connecting rod 523 supports the elastic member 7 to deform the elastic member 7, after the fixing plate 2 is mounted in the accommodating cavity 51, the locking plate 6 is released, the elastic member 7 is restored to deform to move the locking plate 6 toward the locking state, and the situation that a worker manually slides the locking plate 6 to close the opening 511 is avoided in the process.

Since the guide groove 522 is a waist-shaped groove, the engagement of the end wall of the waist-shaped groove with the guide rod 61 can exert the effect of restricting the movement range of the lock plate 6, and therefore, the design of the stopper 521 can be omitted.

Further, referring to fig. 5 and 7, the connecting rod 523 is located above the guide rod 61, and the elastic member 7 is a tension spring with both ends respectively engaged with the guide rod 61 and the connecting rod 523.

That is, when the locking plate 6 is driven toward the unlocking state, the locking plate 6 needs to be pressed downward to enable the locking plate 6 to drive the guide rod 61 to move, the guide rod 61 applies a tensile force to the tension spring, the connecting rod 523 supports the tension spring to deform the tension spring, and after the locking plate 6 is released by a user, the tension spring is restored to deform to enable the tension spring to apply an upward tensile force to the guide rod 61, so that the locking plate 6 automatically moves toward the locking state.

Of course, the connecting rod 523 may be located below the guide rod 61, and the elastic member 7 may be a spring or a sheet structure having elasticity, so that the locking plate 6 is pressed downward to drive the locking plate 6 to the unlocked state.

It should be noted that, the guide rods 61 on each side of the locking plate 6 are disposed at intervals, wherein the guide rods 61 on the top of the locking plate 6 extend out of the guide grooves 522, that is, the guide rods 61 are hidden in the guide grooves 522, and the tension springs are clamped with the guide rods 61 on the bottom of the locking plate 6, so that the guide rods 61 on the top of the locking plate 6 and the tension springs are mutually avoided.

Specifically, the interference of the guide rod 61 located at the top of the locking plate 6 with the top end wall of the guide groove 522 can limit the range of upward movement of the locking plate 6 so that the opening 511 is just closed when the locking plate 6 cannot continue upward movement.

In a preferred embodiment, referring to fig. 5, the top chamber wall of the receiving chamber 51 and/or the bottom chamber wall of the receiving chamber 51 is provided with an elastic sheet 513 such that the elastic sheet 513 applies an elastic force to the fixing plate 2 toward the inside of the receiving chamber 51 to offset a gap between the fixing plate 2 and the chamber wall of the receiving chamber 51, thereby avoiding a shaking of the fixing plate 2 in the receiving chamber 51 and thus increasing connection stability of the fixing plate 2 and the connection member 5.

In a preferred embodiment, referring to fig. 5, the elastic sheet 513 is convexly curved toward the inside of the accommodating chamber 51, one end of the elastic sheet 513 is fixedly connected to the chamber wall of the accommodating chamber 51, and the other end of the elastic sheet 513 abuts against the chamber wall of the accommodating chamber 51.

That is, the elastic sheet 513 has a fixed end fixedly connected to the cavity wall of the accommodating cavity 51 and a free end opposite to the fixed end, when the fixing plate 2 is installed, the fixing plate 2 applies pressure to the elastic sheet 513 to deform the elastic sheet 513, and the free end of the elastic sheet 513 moves relatively to the cavity wall of the accommodating cavity 51, so that the elastic sheet 513 abuts against the end surface of the fixing plate 2 and applies pressure to the fixing plate 2 to offset the gap between the fixing plate 2 and the cavity wall of the accommodating cavity 51, thereby increasing the stability of the fixing plate 2 and further increasing the stability of the road surface condition monitoring device.

In a preferred embodiment, referring to fig. 6 and 8, a positioning portion 514 is provided on a wall of the accommodating cavity 51 opposite to the opening 511, and the fixing plate 2 is provided with a positioning notch 21 matched with the positioning portion 514, so that after the fixing plate 2 is installed in the accommodating cavity 51, the positioning portion 514 extends into the positioning notch 21 to limit rotation of the fixing plate 2, thereby increasing stability of the fixing plate 2 and further increasing stability of the road surface condition monitoring device.

The structure of the fixing plate 2 is not particularly limited in this application, and the fixing plate 2 may be square, circular or any other shape.

In a preferred embodiment, referring to fig. 3 and 9, a through hole 31 is formed in the top of the upright 3, a locking pipe 311 is disposed at an orifice of one end of the through hole 31, a locking rod 41 is fixedly connected to the end of the cross rod 4 coaxially, and the locking rod 41 is in threaded connection with the locking pipe 311 and extends into the through hole 31, so as to realize the fixed connection between the cross rod 4 and the upright 3.

When assembling horizontal pole 4, aim at locking lever 41 and the mouth of pipe of locking pipe 311 earlier, then rotatory horizontal pole 4, so that locking lever 41 takes place the screw thread rotation with locking pipe 311, and locking lever 41 stretches into in the through-hole 31, when the tip of horizontal pole 4 contradicts with locking pipe 311, locking lever 41 can't continue to rotate, in order to accomplish the assembly to horizontal pole 4, this in-process has avoided the condition that needs to use many bolts to assemble horizontal pole 4, thereby reach the effect of being convenient for assemble horizontal pole 4, and then improve the assembly efficiency to the bracing piece.

In a preferred embodiment, referring to fig. 3 and 9, the upright 3 is provided with a support tube 312, the support tube 312 being disposed opposite to the locking tube 311, i.e., the support tube 312 is located at the other end opening of the through hole 31, so that the end of the locking bar 41 remote from the cross bar 4 extends into the support tube 312 to increase the contact area of the locking bar 41 with the upright 3, thereby increasing the connection stability of the cross bar 4 with the upright 3.

In a preferred embodiment, referring to fig. 3 and 9, the top of the upright 3 is provided with a lightning rod 8, the bottom of the lightning rod 8 is provided with an end cap 81 in threaded connection with the upright 3, and the bottom of the end cap 81 is provided with a locking rod 811 penetrating out of the locking rod 41, so that the locking rod 811 and the plugging fit of the locking rod 41 limit the rotation of the locking rod 41, and further the connection stability of the cross rod 4 and the upright 3 is increased.

That is, the upright 3 is of a hollow structure and the top of the upright 3 is provided with an opening, and the end cover 81 extends into the upright 3 through the opening thread at the top of the upright 3 to realize detachable connection of the lightning rod 8 and the upright 3.

The non-mentioned places in the application can be realized by adopting or referring to the prior art.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims (10)

1. The utility model provides a bracing piece of road surface state monitoring facilities for tunnel, its characterized in that, road surface state monitoring facilities include equipment body (1) and locate fixed plate (2) of equipment body (1) bottom, the bracing piece includes stand (3), locates horizontal pole (4) of stand (3) top transverse arrangement and locate connecting piece (5) of horizontal pole (4), connecting piece (5) are equipped with holding chamber (51) that the lateral part of connecting piece (5) has opening (511), the top of connecting piece (5) be equipped with connector (512) that holds chamber (51) intercommunication, fixed plate (2) are passed through opening (511) are inserted in holding chamber (51), opening (511) department sliding connection has locking plate (6), locking plate (6) have to opening (511) closed locking state and will opening (511) open unblock state.

2. The support bar of a tunnel road surface condition monitoring device according to claim 1, characterized in that both sides of the opening (511) are provided with guide rails (52), and both sides of the locking plate (6) are respectively inserted into both guide rails (52) so that the guide rails (52) guide the locking plate (6).

3. The support bar of a tunnel road surface condition monitoring apparatus according to claim 2, characterized in that the guide rail (52) is vertically arranged, and the bottom of the guide rail (52) has a blocking portion (521) to block the locking plate (6).

4. A supporting bar of a road surface condition monitoring device for tunnel according to claim 3, characterized in that the guide rail (52) is provided with a guide groove (522) parallel to the sliding direction of the locking plate (6), the side part of the locking plate (6) is provided with a guide bar (61) extending out of the guide groove (522), the side part of the guide rail (52) is provided with a connecting bar (523), an elastic member (7) is provided between the connecting bar (523) and the guide bar (61), and the elastic member (7) is in a deformed state when the locking plate (6) is in the unlocking state.

5. The supporting rod of the tunnel road surface state monitoring device according to claim 4, wherein the connecting rod (523) is located above the guide rod (61), and the elastic member (7) is a tension spring with two ends respectively clamped with the guide rod (61) and the connecting rod (523).

6. A supporting bar of a road surface condition monitoring device for tunnel according to claim 1, characterized in that the top chamber wall of the accommodation chamber (51) and/or the bottom chamber wall of the accommodation chamber (51) is provided with an elastic sheet (513) so that the elastic sheet (513) applies an elastic force to the fixing plate (2) toward the inside of the accommodation chamber (51).

7. The support rod of the tunnel road surface condition monitoring device according to claim 6, wherein the elastic sheet (513) is convexly curved toward the inside of the accommodating chamber (51), one end of the elastic sheet (513) is fixedly connected with the chamber wall of the accommodating chamber (51), and the other end of the elastic sheet (513) is abutted against the chamber wall of the accommodating chamber (51).

8. The support rod of a tunnel road surface condition monitoring device according to claim 1, characterized in that the cavity wall of the receiving cavity (51) opposite to the opening (511) is provided with a positioning portion (514), and the fixing plate (2) is provided with a positioning notch (21) matched with the positioning portion (514).

9. The supporting rod of the road surface state monitoring device for the tunnel according to claim 1, wherein the top of the upright post (3) is provided with a through hole (31) which transversely penetrates, a locking pipe (311) is arranged at the orifice of the through hole (31), and the end part of the cross rod (4) is provided with a locking rod (41) which stretches into the through hole (31) and is in threaded connection with the locking pipe (311).

10. The supporting rod of the road surface state monitoring device for the tunnel according to claim 9, wherein a lightning rod (8) is arranged at the top of the upright post (3), an end cover (81) in threaded connection with the upright post (3) is arranged at the bottom of the lightning rod (8), and a locking rod (811) penetrating out of the locking rod (41) is arranged at the bottom of the end cover (81).