CN214737443U

CN214737443U - Bridge construction is with preventing device that falls

Info

Publication number: CN214737443U
Application number: CN202120846533.7U
Authority: CN
Inventors: 姚一心
Original assignee: Jiangxi Gan'ewan Road And Bridge Investment Co ltd
Current assignee: Jiangxi Gan'ewan Road And Bridge Investment Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-16
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a falling-proof device for bridge construction, which structurally comprises a base, a lifting arm, a protective mechanism and a telescopic guardrail, wherein the lifting arm is pushed by a hydraulic cylinder to support a support plate to move upwards, a corresponding electric push rod is started by a control panel to push a telescopic rod to drive an extension arm to move, the extension arm is discharged through a guide hole under the moving action of a slide block and a chute at the outer end of a spring, the extension arm is then ejected out under the elastic action of the spring after being discharged, the telescopic rod is retracted to expand the extension arm at the outer end in a fan shape, so that a protective net is expanded, the problem that when the existing constructors construct the bridge is solved, in order to avoid that the constructors carelessly drop objects such as maintenance equipment or broken stones in the operation process due to errors, and cause safety influence on the lower personnel is solved, and the existing safety protective device belongs to larger equipment, the problem of difficult contraction and transportation is caused.

Description

Bridge construction is with preventing device that falls

Technical Field

The utility model relates to a bridge construction technical field especially relates to a bridge construction is with preventing device that falls.

Background

The bridge is a building which is supposed to be on rivers, lakes and seas and enables vehicles, pedestrians and the like to smoothly pass, the bridge generally comprises an upper structure, a lower structure and an auxiliary structure, the upper structure mainly refers to a bridge span structure and a support system, the lower structure comprises a bridge abutment, a bridge pier and a foundation, the auxiliary structure refers to a bridge head butt plate, a conical slope protection, a bank protection, a diversion project and the like, when the bridge is constructed, in order to guarantee the personal safety of constructors, a protection device is generally arranged on the constructed bridge, however, when the existing constructors construct the bridge, the problem that the constructors carelessly drop objects such as maintenance equipment or broken stones due to errors in the operation process to cause the safety influence on the constructors below is solved, and the existing safety protection devices belong to larger equipment and are not easy to shrink and carry.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, now provide a bridge construction is with preventing device that falls to when having solved current constructor and having constructed the bridge, in order to avoid constructor to drop maintenance of equipment or objects such as rubble piece carelessly because of the error in the operation process, lead to causing the problem of safety impact to the personnel of below, and present safety device all belongs to great equipment, lead to the difficult problem of carrying out the shrink.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a bridge construction is with preventing device that falls, the on-line screen storage device comprises a base, the base upper end is provided with the lifing arm, the lifing arm top is rotated with the backup pad and is connected, the lifing arm lower extreme is provided with the pneumatic cylinder, and pneumatic cylinder output and lifing arm fixed connection, the terminal surface is provided with the control panel outside the backup pad, backup pad top face is provided with protection machanism, protection machanism top face is provided with flexible guardrail;

the middle part of the protection mechanism is provided with a working plate, the bottom end surface of the working plate is fixedly connected with a support plate, the top end surface of the working plate is provided with a fixed hole, the working plate is fixedly connected with a telescopic guardrail through the fixed hole, the upper end surface of the working plate is provided with a friction layer, the side end surface of the working plate is provided with a guide hole, two ends inside the guide hole are provided with extension arms, the rear end of the outer end surface of each extension arm is fixedly connected with a spring, the outer end of the spring is fixedly connected with a slide block, a slide groove is arranged between the inner end surface of the guide hole and the working plate, the extension arms are slidably connected with the slide groove through the slide block, the rear end of each extension arm is provided with a rotating hole, the inner end surface of the rotating hole is rotatably connected with a fixed shaft, the upper end and the lower end of the fixed shaft are provided with rolling wheels, the upper end surface and the lower end surface of the inner part of the guide hole are provided with rolling grooves, and the rolling wheels are rotatably connected with the rolling grooves, the rear end of the inner end face of the extension arm is fixedly connected with the electric push rod through a telescopic rod, and the rear end of the middle of the telescopic rod is fixedly connected with the output end of the electric push rod.

Furthermore, the maximum telescopic size of the telescopic rod is larger than the distance size of the extending arms parallel to each other.

Furthermore, the end faces of two sides of the front end of the leading-out hole are provided with rotating wheels, the upper end face and the lower end face of the front end of the leading-out hole are provided with rotating grooves, and the rotating wheels are rotatably connected with the rotating grooves through rotating rods.

Furthermore, the electric push rods are symmetrically arranged on the center line of the working plate, and the electric push rods at the left end and the right end are mutually overlapped with the electric push rods at the front end and the rear end.

Further, the maximum angular dimension of the extension arms that are spread apart from each other by the elasticity of the spring is 180 °.

Furthermore, the leading-out holes are located on different horizontal planes and are parallel to each other.

Furthermore, the protective net is made of nylon ropes and is in a fan-shaped state.

Furthermore, the extension arm and the telescopic rod are made of steel materials.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses an electric putter promotes the extension arm and opens around the protection network of inside at the working plate side, when having solved current constructor and being under construction the bridge, in order to avoid constructor to drop maintenance of equipment or the object such as garrulous stone carelessly because of the error in operation process, lead to causing the problem of safety impact to the personnel of below.

2. The telescopic rod is pulled to drive the extension arm to retract towards the inside of the guide hole through electric pushing, so that the extension arm drives the protective net to retract into the guide hole, and the problem that the existing safety protection device belongs to large equipment and is not easy to shrink and carry is solved.

3. Can start an electric putter alone and protect the protection network discharge of one side, it is less to have solved probably to have the bridge, is difficult for carrying out the expansion of protection, causes the inconvenient problem of work.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the protection mechanism of the present invention;

FIG. 4 is a schematic view of the internal structure of a single protection mechanism according to the present invention;

FIG. 5 is a schematic side view of the single protection mechanism of the present invention;

in the figure: the device comprises a base-1, a lifting arm-2, a support plate-3, a hydraulic cylinder-4, a protection mechanism-5, a telescopic guardrail-6, a control plate-7, a working plate-301, a fixing hole-302, a guide-out hole-303, a rotating wheel-304, an extension arm-305, a friction layer-306, a protective net-307, a rotating rod-308, a rotating groove-309, a rolling wheel-310, a spring-311, a sliding block-312, a sliding groove-313, a telescopic rod-314, an electric push rod-315, a rolling groove-316, a rotating hole-317 and a fixing shaft-318.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-5, the utility model provides a bridge construction is with preventing falling device, including base 1, base 1 upper end is provided with lift arm 2, lift arm 2 top is connected with backup pad 3 rotation, lift arm 2 lower extreme is provided with pneumatic cylinder 4, and pneumatic cylinder 4 output and lift arm 2 fixed connection, backup pad 3 outer end face is provided with control panel 7, backup pad 3 top end face is provided with protection machanism 5, protection machanism 5 top end face is provided with flexible guardrail 6;

the middle part of the protection mechanism 5 is provided with a working plate 301, the bottom end surface of the working plate 301 is fixedly connected with a support plate 3, the top end surface of the working plate 301 is provided with a fixing hole 302, the working plate 301 is fixedly connected with a telescopic guardrail 6 through the fixing hole 302, the upper end surface of the working plate 301 is provided with a friction layer 306, the side end surface of the working plate 301 is provided with a leading-out hole 303, two ends inside the leading-out hole 303 are provided with extension arms 305, the rear end of the outer end surface of each extension arm 305 is fixedly connected with a spring 311, the outer end of the spring 311 is fixedly connected with a sliding block 312, a sliding groove 313 is arranged between the inner end surface of the leading-out hole 303 and the working plate 301, the extension arms 305 are slidably connected with the sliding groove 313 through the sliding block 312, the rear end of each extension arm 305 is provided with a rotating hole 317, the inner end surface of each rotating hole 317 is rotatably connected with a fixed shaft 318, the upper end and the lower end of the fixed shaft 318 are provided with rolling wheels 310, the upper end surface and the lower end surface of the inside the leading-out hole 303 are provided with rolling grooves 316, and the rolling wheels 310 are in rolling connection with the rolling grooves 316, the rear end of the inner end surface of the extension arm 305 is fixedly connected with an expansion link 314, and the rear end of the middle part of the expansion link 314 is fixedly connected with the output end of an electric push rod 315.

Wherein, the biggest flexible size of telescopic link 314 is greater than the distance size that extension arm 305 is parallel to each other, when avoiding extension arm 305 to retract into and lead out the hole 303 inside, because of telescopic link 314 length is not enough, leads to extension arm 305 can not all to take in and lead out the hole 303 for the inconvenient problem of follow-up transport.

Wherein, the both sides terminal surface of escape hole 303 front end is provided with rotates wheel 304, both ends face is provided with rotation groove 309 about the escape hole 303 front end, and rotates wheel 304 and rotate groove 309 through dwang 308 and be connected, and the extension arm 305 of being convenient for removes, avoids extension arm 305 and the interior terminal surface of extension arm 305 to produce the friction, leads to extension arm 305 to contract back inconveniently, even produces the problem of damage.

The electric push rods 315 are symmetrically arranged on the center line of the working plate 301, and the electric push rods 315 at the left end and the right end are overlapped with the electric push rods 315 at the front end and the rear end, so that the length of the extension arm 305 is increased, the expansion area of the protection net 307 is increased, the protection area is increased, the protection is facilitated, and the space is saved.

The maximum angle size of the extension arm 305, which is mutually expanded under the elastic action of the spring 311, is 180 degrees, so that when the protective nets 307 on the four end surfaces are completely expanded, a round shape is formed, and the situation of missing protection is avoided.

The leading-out holes 303 are located on different horizontal planes, and the leading-out holes 303 are parallel to each other, so that the leading-out holes 303 are prevented from being located on the same horizontal plane, the extension arm 305 is also located on the horizontal plane, the length of the extension arm 305 is reduced, and the protection area is reduced.

The protective net 307 is made of nylon ropes, is in a fan-shaped state, and has high toughness, high hardness, certain flexibility and convenience in protection.

The extension arm 305 and the telescopic rod 314 are made of steel materials, so that the hardness is high, the quality is good, and the large gravity can be borne.

This patent protection network 307 adopts the nylon rope material, just the nylon makes up to nylon has very high mechanical strength, and the softening point is high, and is heat-resisting, and coefficient of friction is low, and is stand wear and tear, self-lubricity, shock absorption and noise cancelling nature, resistant oil, resistant weak acid, alkali-resisting and general solvent, and electrical insulation is good, has self-extinguishing nature, and is nontoxic, odorless, and the weatherability is good, and the dyeability is poor, and the shortcoming is that the hydroscopicity is big, influences dimensional stability and electrical property, and the fiber reinforcement can reduce the resin water absorption rate, makes it can work under high temperature, high humidity.

The working principle is as follows: the user connects the control panel 7 and the electric push rod 315 with the external power source, connects the hydraulic cylinder 4 with the external control component, then pulls up the telescopic guardrail 6 to protect the fence, then starts the hydraulic cylinder 4 to push the lifting arm 2 to drive the support plate 3 to move upwards, thus pushing the working panel 301 and the telescopic guardrail 6 to move upwards, then starts the electric push rod 315, makes the electric push rod 315 push the telescopic rod 314 to move outwards towards the guide hole 303, thus pushing out the extension arm 305, makes the extension arm 305 move outwards under the sliding action of the sliding block 312 and the sliding groove 313 at the outer end of the spring 311, and when the extension arm 305 is discharged outwards, because of the elastic force of the spring 311, the extension arm 305 rotates under the action of the rolling wheels 310 at the upper and lower ends of the fixed shaft 318 inside the rotating hole 317, thereby retracting the telescopic rod 314, making the outer end of the extension arm 305 expand, and then the protection net 307 is expanded, when the extension arm 305 is recovered, the spring 311 is driven to compress by driving the extension arm 305 to move inwards under the action of the rotating wheel 304 by starting the electric push rod 315 to pull the telescopic rod 314 to move inwards, and then the extension arm 305 is recovered into the guide hole 303 under the action of the sliding block 312 and the rolling wheel 310, so that the work is completed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bridge construction is with preventing device that falls, includes base (1), base (1) upper end is provided with lifing arm (2), lifing arm (2) top is rotated with backup pad (3) and is connected, lifing arm (2) lower extreme is provided with pneumatic cylinder (4), and pneumatic cylinder (4) output and lifing arm (2) fixed connection, the outer terminal surface of backup pad (3) is provided with control panel (7), its characterized in that: the top end face of the supporting plate (3) is provided with a protection mechanism (5), and the top end face of the protection mechanism (5) is provided with a telescopic guardrail (6);

the protection mechanism is characterized in that a working plate (301) is arranged in the middle of the protection mechanism (5), the bottom end face of the working plate (301) is fixedly connected with the supporting plate (3), a fixing hole (302) is formed in the top end face of the working plate (301), the working plate (301) is fixedly connected with the telescopic guardrail (6) through the fixing hole (302), a friction layer (306) is arranged on the upper end face of the working plate (301), a leading-out hole (303) is formed in the side end face of the working plate (301), extension arms (305) are arranged at two ends inside the leading-out hole (303), the rear ends of the outer end faces of the extension arms (305) are fixedly connected with springs (311), the outer ends of the springs (311) are fixedly connected with sliding blocks (312), sliding grooves (313) are formed between the inner end face of the leading-out hole (303) and the working plate (301), the extension arms (305) are slidably connected with the sliding grooves (313) through the sliding blocks (312), and rotating holes (317) are formed in the rear ends of the extension arms (305), the inner end face of the rotating hole (317) is rotatably connected with a fixed shaft (318), rolling wheels (310) are arranged at the upper end and the lower end of the fixed shaft (318), rolling grooves (316) are formed in the upper end face and the lower end face of the inside of the guide hole (303), the rolling wheels (310) are in rolling connection with the rolling grooves (316), the rear end of the inner end face of the extension arm (305) is fixedly connected with an expansion rod (314), and the rear end of the middle of the expansion rod (314) is fixedly connected with the output end of an electric push rod (315).

2. The anti-falling device for bridge construction according to claim 1, wherein: the maximum extension size of the telescopic rod (314) is larger than the distance size of the extension arms (305) which are parallel to each other.

3. The anti-falling device for bridge construction according to claim 1, wherein: the guide-out hole (303) front end both sides terminal surface is provided with rotates wheel (304), guide-out hole (303) front end upper and lower both ends face is provided with rotation groove (309), and rotates wheel (304) and rotate groove (309) through dwang (308) and be connected.

4. The anti-falling device for bridge construction according to claim 1, wherein: the electric push rods (315) are symmetrically arranged on the center line of the working plate (301), and the electric push rods (315) at the left end and the right end are mutually overlapped with the electric push rods (315) at the front end and the rear end.

5. The anti-falling device for bridge construction according to claim 1, wherein: the maximum angular dimension of the extension arms (305) that are opened from each other by the spring (311) is 180 °.

6. The anti-falling device for bridge construction according to claim 1, wherein: the leading-out holes (303) are located on different horizontal planes, and the leading-out holes (303) are parallel to each other.