CN210513595U

CN210513595U - Bridge railing strength test device

Info

Publication number: CN210513595U
Application number: CN201921753341.0U
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiangsu Zhixin Bridge Detection Maintenance And Reinforcement Co Ltd
Current assignee: Jiangsu Zhixin Bridge Detection Maintenance And Reinforcement Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-05-12
Anticipated expiration: 2029-10-18

Abstract

The utility model relates to the technical field of railing strength devices, in particular to a bridge railing strength testing device, which comprises a backing plate, wherein the surface of the backing plate is provided with a stand column, a lifting cylinder is sleeved on the rod body of the stand column, a guide groove is formed in the outer annular surface of the lifting cylinder, a swivel is rotatably connected in the guide groove, the outer annular surface of the swivel is provided with a traction rod, the bottom surface of the traction rod and the surface of the backing plate are both provided with a limiting cylinder, a sleeve is sleeved on the rod body of the stand column, and the outer annular surface of the sleeve is provided with a first telescopic rod; the beneficial effects are that: the utility model provides a bridge railing intensity testing arrangement sets up percentage table and electric putter respectively in bridge railing both sides, and the percentage table is fixed and is convenient for adjust the interval of percentage table and bridge railing on first telescopic link, so be convenient for retest the concrete numerical value of bridge railing atress many times under same bending degree repeatedly to be convenient for formulate the atress threshold value of bridge railing under this bending degree.

Description

Bridge railing strength test device

Technical Field

The utility model relates to a railing intensity device correlation technique field specifically is a bridge railing intensity testing arrangement.

Background

The bridge spans across the river and communicates two banks of the river, thereby providing great convenience for people to go out, in order to improve the driving safety of the bridge, the railings are additionally arranged on two sides of the bridge for protection, and the strength of the railings determines the containment safety performance, so the bending strength detection of the railings is very necessary;

in the prior art, when the bending strength of the handrail is detected, a special testing device is lacked, and the specific numerical value of thrust applied to different bending degrees of the handrail cannot be detected according to the requirement; therefore, the utility model provides a bridge railing strength test device is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge railing intensity testing arrangement to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bridge railing intensity testing arrangement, includes the backing plate, the surface of backing plate is provided with the stand, the cover is equipped with a lift section of thick bamboo on the body of rod of stand, the guide way has been seted up on the outer anchor ring of a lift section of thick bamboo, the inside of guide way is rotated and is connected with the swivel, the outer anchor ring of swivel is provided with the traction rod, all be provided with spacing section of thick bamboo on the bottom surface of traction rod and the surface of backing plate, and the cover is equipped with the sleeve on the body of rod of stand, be provided with first telescopic link on the telescopic outer anchor ring, the tip of first telescopic link is provided with the percentage table, and pegs graft in the inside of spacing section of thick bamboo and have the bridge railing, and the surface of backing.

Preferably, the stand is circular cylinder structure, and a lift section of thick bamboo is the cylinder structure, is provided with the internal thread on a lift section of thick bamboo's the interior anchor ring, and a lift section of thick bamboo is provided with the external screw thread in the scope of marcing of stand, and the external screw thread is connected with the interior screw-thread fit, and the guide way is ring annular structure, and the change is ring annular structure, all imbeds on the top surface and the bottom surface of change and installs the steel ball, and is provided with the damping ring on the interior anchor ring.

Preferably, the traction rod is of an L-shaped rod-shaped structure, an inclined pull rod is arranged on the outer annular surface of the rotating ring, the end part of the inclined pull rod is fixed on the outer wall of the limiting cylinder, and a rubber sleeve is arranged inside the limiting cylinder.

Preferably, the sleeve is the pipe column structure, and the spiro union has clamping screw on the telescopic outer wall, and clamping screw's tip is provided with the damping fin, and first telescopic link includes the sleeve pipe and extends the screw rod, extends the screw rod spiro union in the sleeve pipe, and extends the screw rod and peg graft in the connection handle, and the connection handle is the cylinder structure, and the connection handle is fixed on the percentage table is surperficial, and extends the surface of screw rod and has seted up ring groove, and ring groove's inside is pegged graft and is had the pin, and the pin runs through the outer wall setting of connecting cylinder.

Preferably, be provided with the handle on electric putter's the casing, be provided with the push pedal on electric putter's the axis body, the push pedal is convex platelike structure, and the second telescopic link includes end section of thick bamboo, and end section of thick bamboo is fixed on the surface of backing plate, and the inside lifter of pegging graft of end section of thick bamboo, the lifter is connected on electric putter's surface.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a bridge railing strength test device carries out the centre gripping to the bridge railing through two spacing section of thick bamboo, and the spacing section of thick bamboo of upside is followed the change and is moved perpendicularly by the tractive pole tractive, and the change is spacing to move with a lift section of thick bamboo in step in the guide way, is convenient for two spacing section of thick bamboo centre gripping not bridge railing of co-altitude;

2. the utility model provides a bridge railing strength testing arrangement sets up percentage table and electric putter respectively in bridge railing both sides, and the percentage table is fixed and is convenient for adjust the interval of percentage table and bridge railing on first telescopic link, so be convenient for repeatedly test the concrete numerical value of bridge railing atress many times under same bending degree to be convenient for formulate the atress threshold value of bridge railing under this bending degree;

3. the utility model provides a bridge railing strength test device's electric putter and percentage table all can go up and down, are convenient for push the test to the high center department of co-altitude bridge railing not.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is an enlarged schematic view of the structure at C in fig. 3.

In the figure: the bridge railing comprises a base plate 1, a stand column 2, a lifting cylinder 3, a guide groove 4, a rotating ring 5, a traction rod 6, a limiting cylinder 7, a sleeve 8, a first telescopic rod 9, a dial indicator 10, a bridge railing 11, an electric push rod 12 and a second telescopic rod 13.

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 to 4, the present invention provides a technical solution: a bridge railing strength testing device comprises a base plate 1, wherein a stand column 2 is welded on the surface of the base plate 1, a lifting cylinder 3 is sleeved on a rod body of the stand column 2, a guide groove 4 is formed in the outer annular surface of the lifting cylinder 3, a rotating ring 5 is rotatably connected inside the guide groove 4, the stand column 2 is of a circular cylinder structure, the lifting cylinder 3 is of a cylindrical structure, internal threads are formed in the inner annular surface of the lifting cylinder 3, external threads are formed in the advancing range of the lifting cylinder 3 on the stand column 2 and are in fit connection with the internal threads, the guide groove 4 is of a circular ring structure, the rotating ring 5 is of a circular ring structure, steel balls are embedded and mounted on the top surface and the bottom surface of the rotating ring 5, a damping ring is arranged on the inner annular surface of the rotating ring 5, a traction rod 6 is welded on the outer annular surface of the rotating ring 5, limiting cylinders 7 are welded on the bottom surface of the, an inclined pull rod is arranged on the outer ring surface of the rotating ring 5, the end part of the inclined pull rod is fixed on the outer wall of the limiting cylinder 7, a rubber sleeve is arranged inside the limiting cylinder 7, a bridge railing 11 is inserted inside the limiting cylinder 7, the bridge railing 11 is inserted into the limiting cylinder 7 at the bottom side, then the lifting cylinder 3 is screwed downwards, meanwhile, the limiting cylinder 7 holding the upper side is positioned right above the bridge railing 11, the traction rod 6 pulls the limiting cylinder 7 at the upper side to be buckled at the top of the bridge railing 11 along with the descending of the lifting cylinder 3, and then the lifting cylinder 3 is continuously screwed downwards, so that the bridge railing 11 is tightly clamped between the two limiting cylinders 7;

and the body of rod of the pillar 2 is sleeved with the bush 8, the outer ring surface of the bush 8 is welded with the first telescopic rod 9, the end of the first telescopic rod 9 is provided with the dial indicator 10, the bush 8 is a round tube structure, the outer wall of the bush 8 is screwed with the clamping screw, the end of the clamping screw is provided with the damping fin, the first telescopic rod 9 comprises a sleeve and an extension screw, the extension screw is screwed in the sleeve, the extension screw is inserted in the connecting handle, the connecting handle is a cylindrical structure, the connecting handle is fixed on the surface of the dial indicator 10 (the model is referred to as CV1025-362), the surface of the extension screw is provided with an annular clamping groove, the inside of the annular clamping groove is inserted with a pin, the pin penetrates through the outer wall of the connecting cylinder, the bush 8 slides along the pillar 2, the bush 8 drives the dial indicator 10 to carry out height adjustment, when the contact of the dial indicator 10 is positioned, the sleeve 8 is prevented from sliding downwards, and then the extending screw is screwed to adjust the distance between the dial indicator 10 and the bridge railing 11;

the skin weld of backing plate 1 has second telescopic link 13, the upper end welding of second telescopic link 13 has electric putter 12 (the model refers to DMAC42), be provided with the handle on electric putter 12's the casing, be provided with the push pedal on electric putter 12's the axis body, the push pedal is convex platelike structure, second telescopic link 13 includes end barrel, end barrel is fixed on backing plate 1's surface, the inside lifter that pegs graft of end barrel, the lifter is connected on electric putter 12's surface, the handle on holding electric putter 12 surface upwards extracts electric putter 12 to bridge railing 11's high center department, start electric putter 12, electric putter 12 promotes bridge railing 11 crooked until the contact of bridge railing 11 bending surface and percentage table 10, the thrust value that receives under the crooked degree that reality bridge railing 11 was located on the dial plate 10 this moment.

The working principle is as follows: in actual work, the bridge railing 11 is inserted into the limiting cylinders 7 on the bottom side, the lifting cylinder 3 is screwed downwards, meanwhile, the limiting cylinders 7 on the upper side are held right above the bridge railing 11, the pulling rods 6 pull the limiting cylinders 7 on the upper side to be buckled on the top of the bridge railing 11 along with the descending of the lifting cylinder 3, then the lifting cylinder 3 is continuously screwed downwards, the bridge railing 11 is tightly clamped between the two limiting cylinders 7, then the sleeve 8 slides along the stand column 2, the sleeve 8 drives the dial indicator 10 to carry out height adjustment, when the contact of the dial indicator 10 is located at the height center of the bridge railing 11, the screw on the surface of the sleeve 8 is screwed to prevent the sleeve 8 from sliding downwards, then the extending screw is screwed to adjust the distance between the dial indicator 10 and the bridge railing 11, the handle on the surface of the electric push rod 12 is held to upwardly extract the electric push rod 12 to the height center of the bridge railing 11, starting electric putter 12, electric putter 12 promotes bridge railing 11 crooked until 11 curved surfaces of bridge railing and the contact of percentage table 10, the thrust value that receives under the crooked degree that reality bridge railing 11 was located on the dial plate of percentage table 10 this moment.

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 bridge railing intensity testing arrangement, includes backing plate (1), its characterized in that: the surface of the backing plate (1) is provided with an upright post (2), a rod body of the upright post (2) is sleeved with a lifting cylinder (3), a guide groove (4) is arranged on the outer ring surface of the lifting cylinder (3), a rotating ring (5) is rotatably connected inside the guide groove (4), a traction rod (6) is arranged on the outer ring surface of the rotating ring (5), a limiting cylinder (7) is arranged on the bottom surface of the traction rod (6) and the surface of the base plate (1), a sleeve (8) is sleeved on the rod body of the upright post (2), a first telescopic rod (9) is arranged on the outer ring surface of the sleeve (8), a dial indicator (10) is arranged at the end part of the first telescopic rod (9), a bridge railing (11) is inserted in the limiting cylinder (7), a second telescopic rod (13) is arranged on the surface of the base plate (1), an electric push rod (12) is arranged at the upper end of the second telescopic rod (13).

2. The bridge railing strength testing device of claim 1, wherein: stand (2) are circular cylinder structure, and a lift section of thick bamboo (3) are the cylinder structure, are provided with the internal thread on the interior anchor ring of a lift section of thick bamboo (3), and a lift section of thick bamboo (3) are provided with the external screw thread in the scope of marcing of stand (2), and the external screw thread is connected with the interior screw-thread fit, and guide way (4) are ring annular structure, and swivel (5) are ring annular structure, all imbeds on the top surface and the bottom surface of swivel (5) and install the steel ball, and are provided with the damping ring on the interior anchor ring of swivel (5).

3. The bridge railing strength testing device of claim 1, wherein: the traction rod (6) is of an L-shaped rod-shaped structure, an inclined pull rod is arranged on the outer annular surface of the rotating ring (5), the end part of the inclined pull rod is fixed on the outer wall of the limiting cylinder (7), and a rubber sleeve is arranged inside the limiting cylinder (7).

4. The bridge railing strength testing device of claim 1, wherein: sleeve (8) are the pipe structure, and the spiro union has clamping screw on the outer wall of sleeve (8), and clamping screw's tip is provided with the damping fin, and first telescopic link (9) are including sleeve pipe and extension screw rod, and extension screw rod spiro union is in the sleeve pipe, and extends the screw rod and peg graft in the connecting handle, and the connecting handle is the cylinder structure, and the connecting handle is fixed on percentage table (10) surface, and the surface of extending the screw rod has seted up ring groove, and ring groove's inside is pegged graft and is had the pin, and the pin runs through the outer wall setting of connecting cylinder.

5. The bridge railing strength testing device of claim 1, wherein: the electric push rod (12) is characterized in that a handle is arranged on a shell of the electric push rod (12), a push plate is arranged on a shaft body of the electric push rod (12), the push plate is of a circular arc-shaped plate-shaped structure, the second telescopic rod (13) comprises a bottom barrel, the bottom barrel is fixed on the surface of the base plate (1), a lifting rod is inserted into the bottom barrel, and the lifting rod is connected to the surface of the electric push rod (12).