CN209945881U

CN209945881U - Prestressing force detection device of special steel wire of bridge

Info

Publication number: CN209945881U
Application number: CN201920653716.XU
Authority: CN
Inventors: 孙文丽
Original assignee: Tiesiyuan Hubei Engineering Supervision Consulting Co Ltd
Current assignee: Tiesiyuan Hubei Engineering Supervision Consulting Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-01-14
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a prestressing force detection device of special steel wire of bridge relates to bridge prestressing force technical field. This prestressing force detection device of special steel wire of bridge, including lift protection machanism, lighting mechanism and bottom plate, the welding of top one side of bottom plate has the curb plate, and the top welding of curb plate has the roof, and the top of bottom plate is provided with lift protection machanism, has seted up the spout in the bottom plate, and the communicating upper shed of spout has been seted up at the top of bottom plate, and the communicating under shed of spout has been seted up to the bottom of bottom plate, and upper shed and under shed's quantity is two, and slidable mounting has the slider in the spout, and the adjacent side fixedly connected with high strength pulling force rope of two sliders, fixed mounting has force sensor on the high strength pulling force rope, the utility model discloses simple structure can carry out safety protection at the in-process that carries out the pulling force detection, avoids the steel wire to collapse and flies absolutely.

Description

Prestressing force detection device of special steel wire of bridge

Technical Field

The utility model relates to a bridge prestressing force technical field specifically is a prestressing force detection device of special steel wire of bridge.

Background

The bridge is generally a structure erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass, is suitable for the modern high-speed developed traffic industry, is also extended to be a building erected to span mountain buildings, unfavorable geology or meet other traffic requirements to enable the bridge to pass more conveniently, and in order to improve the overall stability and carrying capacity of the bridge, prestressed steel wires are used in the bridge construction process, the prestressed steel wires are used for improving the service performance of the structure, the compressive stress is applied to the structure in advance during construction, the tensile stress caused by loads can be completely or partially offset by the prestressed stress during service of the structure, the structure is prevented from being damaged, and the prestressed steel wires do not generate cracks or crack later under the normal use condition.

The prestressed steel wire can be used in a large amount in the bridge construction process, in order to guarantee construction quality, the strength of the prestressed steel wire needs to be detected, whether the prestressed steel wire meets working requirements is judged accordingly, in the process of detecting the steel wire, the detected steel wire can be broken and splashed due to the fact that the quality is not too high, and once the steel wire is hit to a worker, accidental injury can be caused to the worker, and great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prestressing force detection device of special steel wire of bridge to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a prestress detection device for a steel wire special for a bridge comprises a lifting protection mechanism, an illuminating mechanism and a bottom plate, wherein a side plate is welded on one side of the top of the bottom plate, a top plate is welded on the top of the side plate, the lifting protection mechanism is arranged above the bottom plate, a sliding groove is formed in the bottom plate, an upper opening communicated with the sliding groove is formed in the top of the bottom plate, a lower opening communicated with the sliding groove is formed in the bottom of the bottom plate, the number of the upper opening and the number of the lower opening are two, sliding blocks are arranged in the sliding groove in a sliding mode, high-strength tension ropes are fixedly connected to the adjacent sides of the two sliding blocks, tension sensors are fixedly arranged on the high-strength tension ropes, a movable plate is fixedly connected to the bottom of each sliding block, the movable plate penetrates through the lower opening and extends to the lower portion of the bottom plate, a double-rod, the loop bar penetrates through the upper opening and extends to the upper part of the bottom plate.

Preferably, lift protection machanism includes the motor, the elevator, the threaded rod, the guide bar, protection casing and observation window, motor fixed mounting is in the top surface of roof, the threaded rod rotates to be installed in the bottom surface of roof, the output shaft of motor runs through the top that roof and threaded rod are connected through the shaft coupling, the bottom of threaded rod rotates with the top of bottom plate to be connected, elevator and threaded rod threaded connection, the bottom fixedly connected with guide bar of roof, the top fixed connection of elevator and bottom plate is run through to the bottom of guide bar, elevator and guide bar sliding connection, connecting piece fixedly connected with protection casing is passed through to one side of elevator.

Preferably, the lifting block is longitudinally provided with a threaded through hole matched with the threaded rod.

Preferably, the front outer surface of the protective cover is embedded with a viewing window.

Preferably, be provided with lighting mechanism on the protection casing, lighting mechanism includes printing opacity protection casing, light and battery, and battery fixed mounting is in the top of protection casing, and the equal fixed mounting of light and printing opacity protection casing is in the inboard top of protection casing, and the light is located inside the printing opacity protection casing.

Preferably, the top end of the loop bar is fixedly connected with an anti-slip seat.

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

(1) this prestressing force detection device of special steel wire of bridge uses through the cooperation of motor, threaded rod, guide bar, lift seat for the protection casing is tightly detained in the top surface of bottom plate, has played fine guard action, can avoid the steel wire to collapse to burst to fly and cause the staff injured, has improved the safety guarantee to the staff, reduces the potential safety hazard.

(2) This prestressing force detection device of special steel wire of bridge, the setting of observation window, the staff of being convenient for observes the deformation state of steel wire in the testing process, thereby be favorable to improving the accuracy of detection achievement, the setting of light, can throw light on in the protection casing, thereby further the staff of being convenient for runs through the operation, the setting of printing opacity protection casing, avoid the steel wire to break up and break up the light, the degree of protection to the light is improved, the setting of protection is done, avoid the steel wire to break away from and influence detection achievement on by the loop bar in the testing process.

Drawings

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

FIG. 2 is an enlarged schematic view of the part A of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1 lifting protection mechanism, 101 motor, 102 lifting block, 103 threaded rod, 104 guide bar, 105 protective cover, 106 observation window, 2 lighting mechanism, 201 light-transmitting protective cover, 202 lighting lamp, 203 storage battery, 3 top plate, 4 side plate, 5 tension sensor, 6 bottom plate, 7 supporting leg, 8 upper opening, 9 sliding block, 10 lower opening, 11 double-rod hydraulic cylinder, 12 moving plate, 13 sliding groove, 14 loop bar, 15 anti-slip seat, 16 high-strength tension rope.

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. 1-3, the present invention provides a technical solution: a prestress detection device for a steel wire special for a bridge comprises a lifting protection mechanism 1, an illuminating mechanism 2 and a bottom plate 6, wherein a side plate 4 is welded on one side of the top of the bottom plate 6, a top plate 3 is welded on the top of the side plate 4, the lifting protection mechanism 1 is arranged above the bottom plate 6, the lifting protection mechanism 1 comprises a motor 101, a lifting block 102, a threaded rod 103, a guide rod 104, a protective cover 105 and an observation window 106, the motor 101 is fixedly arranged on the outer surface of the top plate 3, the threaded rod 103 is rotatably arranged on the outer surface of the bottom of the top plate 3, an output shaft of the motor 101 penetrates through the top plate 3 to be connected with the top end of the threaded rod 103 through a coupler, the bottom end of the threaded rod 103 is rotatably connected with the top of the bottom plate 6, a threaded through hole matched with the threaded rod 103, the bottom end of the guide rod 104 penetrates through the lifting block 102 to be fixedly connected with the top of the bottom plate 6, the lifting block 102 is slidably connected with the guide rod 104, one side of the lifting block 102 is fixedly connected with a protective cover 105 through a connecting piece, an observation window 106 is embedded on the outer surface of the front side of the protective cover 105, the arrangement of the observation window 106 is convenient for workers to observe the deformation state of a steel wire in the detection process, so that the detection accuracy is improved, the protective cover 105 is provided with the illuminating mechanism 2, the illuminating mechanism 2 comprises a light-transmitting protective cover 201, an illuminating lamp 202 and a storage battery 203, the storage battery 203 is fixedly arranged on the top of the protective cover 105, the illuminating lamp 202 and the light-transmitting protective cover 201 are fixedly arranged on the top of the inner side of the protective cover 105, the storage battery 203 supplies power to the illuminating lamp 202, the illuminating lamp 202 is positioned inside the light-transmitting, the bottom of the bottom plate 6 is provided with a lower opening 10 communicated with a sliding groove 13, the number of the upper opening 8 and the number of the lower opening 10 are two, the sliding groove 13 is internally provided with a sliding block 9, the number of the sliding blocks 9 is two and is arranged corresponding to the upper opening 8 and the lower opening 10, the adjacent sides of the two sliding blocks 9 are fixedly connected with a high-strength tension rope 16, the two sliding blocks 9 are in transmission connection through the high-strength tension rope 16, the high-strength tension rope 16 is fixedly provided with a tension sensor 5, the bottoms of the sliding blocks 9 are both fixedly connected with a moving plate 12, the moving plate 12 penetrates through the lower opening 10 and extends to the lower side of the bottom plate 6, the bottom of the bottom plate 6 is fixedly connected with a double-rod hydraulic cylinder 11, the free end of the double-rod hydraulic cylinder 11 is both fixedly connected with one side of the double-rod hydraulic cylinder 12, the top of the sliding block 9 is fixedly connected with a moving, when the device is used, a steel wire sample to be detected is sleeved on the two loop bars 14, the motor 101 drives the threaded rod 103 to rotate, the lifting seat 102 is driven to move longitudinally through the matching use of the guide rod 104, the lifting seat 102 drives the protective cover 105 to move longitudinally, the protective cover 105 is tightly buckled on the top surface of the bottom plate 6, the double-rod hydraulic cylinder 1 drives the movable plate 12 to move, the movable plate 12 drives the sliding block 9 to move, the sliding block 9 drives the loop bars 14 to move while sliding in the sliding groove 13, so that the steel wire is in a tight state, at the moment, the high-strength tensile rope 16 is also in a tight deformation state, the tensile force sensor 5 detects the tensile force generated on the high-strength tensile rope 16 in real time, if the detected steel wire is not matched with the production requirement to break, the protective cover 105 is arranged, the steel wire can be prevented from breaking and flying to cause the injury of workers, can throw light on in the protection casing 105, thereby further be convenient for the staff and run through the operation, the setting of printing opacity protection casing 201, avoid the steel wire to break and break up light 202, the protection degree to light 202 has been improved, when the pulling force value reaches certain numerical value, two pole pneumatic cylinders 11 retract, make two loop bars 14 move in opposite directions, through motor 101, threaded rod 103, guide bar 104, the cooperation of seat 102 is used, make protection casing 105 longitudinal movement, take off the steel wire, carefully observe the outside impaired deformation state of steel wire, judge whether accord with the production requirement in proper order.

In the using process, a steel wire sample to be detected is sleeved on the two loop bars 14, the motor 101 drives the threaded rod 103 to rotate, the lifting seat 102 moves longitudinally through the matching of the guide rod 104, the lifting seat 102 drives the protective cover 105 to move longitudinally, the protective cover 105 is fastened on the top surface of the bottom plate 6, the double-rod hydraulic cylinder 1 drives the moving plate 12 to move, the moving plate 12 drives the slider 9 to move, the slider 9 drives the loop bars 14 to move while sliding in the sliding groove 13, so that the steel wire is in a tight state, the high-strength tensile rope 16 is also in a tight deformation state at the moment, the tensile sensor 5 detects the tensile force generated on the high-strength tensile rope 16 in real time, when the tensile force value reaches a certain value, the double-rod hydraulic cylinder 11 retracts, so that the two loop bars 14 move oppositely, and the protective cover 105 moves longitudinally through the matching of the motor 101, the threaded rod 103, the guide rod 104 and the, and taking the steel wire down, carefully observing the external damaged deformation state of the steel wire, and sequentially judging whether the steel wire meets the production requirements.

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 prestressing force detection device of special steel wire of bridge, includes lift protection machanism (1), lighting mechanism (2) and bottom plate (6), its characterized in that: the lifting protection mechanism is characterized in that a side plate (4) is welded on one side of the top of a bottom plate (6), a top plate (3) is welded on the top of the side plate (4), a lifting protection mechanism (1) is arranged above the bottom plate (6), a sliding groove (13) is formed in the bottom plate (6), an upper opening (8) communicated with the sliding groove (13) is formed in the top of the bottom plate (6), a lower opening (10) communicated with the sliding groove (13) is formed in the bottom of the bottom plate (6), the number of the upper opening (8) and the number of the lower opening (10) are two, sliding blocks (9) are arranged in the sliding groove (13), high-strength tension ropes (16) are fixedly connected to the adjacent sides of the two sliding blocks (9), tension sensors (5) are fixedly mounted on the high-strength tension ropes (16), moving plates (12) are fixedly connected to the bottoms of the sliding blocks (9), and the moving plates (12), the bottom fixedly connected with double-rod hydraulic cylinder (11) of bottom plate (6), the free end of double-rod hydraulic cylinder (11) all with one side fixed connection of movable plate (12), the top fixedly connected with loop bar (14) of slider (9), loop bar (14) run through opening (8) and extend to the top of bottom plate (6).

2. The prestress detection device for the steel wire special for the bridge according to claim 1, wherein: the lifting protection mechanism (1) comprises a motor (101), a lifting block (102), a threaded rod (103), a guide rod (104), a protective cover (105) and an observation window (106), motor (101) fixed mounting is in the top surface of roof (3), threaded rod (103) are rotated and are installed in the bottom surface of roof (3), the output shaft of motor (101) passes through the top that roof (3) and threaded rod (103) are connected through the shaft coupling, the bottom of threaded rod (103) is rotated with the top of bottom plate (6) and is connected, elevator (102) and threaded rod (103) threaded connection, the bottom fixedly connected with guide bar (104) of roof (3), the top fixed connection of elevator (102) and bottom plate (6) is run through to the bottom of guide bar (104), elevator (102) and guide bar (104) sliding connection, connecting piece fixedly connected with protection casing (105) are passed through to one side of elevator (102).

3. The prestress detection device for the steel wire special for the bridge according to claim 2, wherein: the lifting block (102) is longitudinally provided with a thread through hole matched with the threaded rod (103).

4. The prestress detection device for the steel wire special for the bridge according to claim 2, wherein: the front outer surface of the protective cover (105) is embedded with an observation window (106).

5. The prestress detection device for the steel wire special for the bridge according to claim 2 or 4, wherein: be provided with lighting mechanism (2) on protection casing (105), lighting mechanism (2) are including printing opacity protection casing (201), light (202) and battery (203), and battery (203) fixed mounting is in the top of protection casing (105), and light (202) and equal fixed mounting in the inboard top of protection casing (105) of light-transmitting protection casing (201), and light (202) are located inside printing opacity protection casing (201).

6. The prestress detection device for the steel wire special for the bridge according to claim 1, wherein: the top end of the loop bar (14) is fixedly connected with an anti-skid seat (15).