CN214330197U

CN214330197U - Protector is used in road bridge construction

Info

Publication number: CN214330197U
Application number: CN202120041122.0U
Authority: CN
Inventors: 肖珏
Original assignee: Hunan Communication Polytechnic
Current assignee: Hunan Communication Polytechnic
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-10-01
Anticipated expiration: 2031-01-08

Abstract

The utility model belongs to the technical field of the construction, concretely relates to protector is used in road bridge construction, including two stand mechanisms, stand mechanism is equipped with the installation base, stand mechanism is equipped with smooth chamber, stand mechanism is equipped with logical groove, stand mechanism is connected with the lifter, the lifter stretches into smooth chamber, the lifter is equipped with the through hole, stand mechanism is equipped with the through-hole, stand mechanism is equipped with the pulley holder, the pulley holder is connected with the fixed pulley, the fixed pulley is equipped with the cable wire, the cable wire is connected with the fixed pulley, the pulley holder is equipped with the connecting rod, the connecting rod is equipped with driven gear, stand mechanism is equipped with the boss, the boss is connected with the bull stick, the bull stick is equipped with the driving gear, the bull stick is equipped with runner, be equipped with locking mechanism between driving gear and the boss, the installation base is connected with the bottom plate, the bottom plate is equipped with first protection railing, the lifter is connected with the horizontal platform, the horizontal platform downside is equipped with second and protects the railing.

Description

Protector is used in road bridge construction

Technical Field

The utility model belongs to the technical field of the construction, concretely relates to protector is used in road bridge construction.

Background

The road and bridge engineering can be divided into: the engineering of road bed, road surface, bridge, culvert, tunnel, drainage, protection, afforestation, traffic engineering, electromechanics divide into according to the unit engineering of standard: roadbed engineering, pavement engineering, bridge engineering, interchange engineering, tunnel engineering, environmental protection engineering, traffic safety facilities, electromechanical engineering and house building engineering.

In road and bridge construction, protective guards are usually required to be erected to protect construction sites, so that other irrelevant people and vehicles are prevented from entering construction areas.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the protective device for road and bridge construction aims to solve the problems that the conventional protective guard is generally simple in structure, fixed in shape and size, incapable of adjusting the height of the protective guard, incapable of meeting the protection requirement of higher height and limited in the using process.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a protection device for road and bridge construction comprises two upright mechanisms which are symmetrically arranged, wherein the lower ends of the upright mechanisms are provided with installation bases, sliding cavities are arranged inside the upright mechanisms, the upper ends of the upright mechanisms are provided with through grooves, the diameter size of the through grooves is smaller than that of the sliding cavities, the upright mechanisms are connected with lifting rods in a sliding mode, the lower ends of the lifting rods penetrate through the through grooves and extend into the sliding cavities, the bottoms of the lifting rods are provided with through holes which extend forwards and backwards, the upper ends of the upright mechanisms are provided with through holes which are symmetrically arranged forwards and backwards, the lower ends of the upright mechanisms are provided with pulley bases which are symmetrically arranged forwards and backwards, the pulley bases are rotatably connected with fixed pulleys, a steel cable is arranged between the two fixed pulleys, the steel cable penetrates through the through holes and the two through holes, the two ends of the steel cable are respectively fixedly connected with the two fixed pulleys, the pulley bases are provided with connecting rods which are fixedly connected with the fixed pulleys, and the two connecting rods are provided with driven gears, the stand mechanism lower extreme still is equipped with the boss, the boss rotates and is connected with the bull stick, the bull stick be equipped with two driven gear assorted driving gears, the bull stick tip is equipped with runner assembly, be equipped with locking mechanism, two between driving gear and the boss common fixedly connected with bottom plate between the installation base, the bottom plate upside is equipped with a plurality of first protection railing, two common fixedly connected with horizontal stage between the lifter, the horizontal stage downside is equipped with a plurality of and first rail guard sliding connection's second protection railing.

By adopting the technical proposal of the utility model, when in use, the device is firstly fixed with the ground through the installation base, in practical application, when the protection height of the device needs to be adjusted, people operate the rotating assemblies of the upright post mechanisms on two sides simultaneously to respectively drive the rotating rods on the bosses at the bottoms of the upright post mechanisms on two sides to rotate, and when the rotating rods rotate, the driving gear can rotate, because the driving gear is meshed and matched with the driven gears of the two connecting rods, the two driven gears can drive the two connecting rods to rotate, thereby leading the fixed pulleys of the pulley seats at the front end and the rear end of the bottom of the upright post mechanism to rotate, leading the two fixed pulleys to simultaneously wind the steel cable, because the steel cable passes through the through hole and the two through holes, the lifting rod gradually rises relative to the through groove of the upright post mechanism in the process of winding the steel cable, so that the lifting rod gradually slides out of the sliding cavity, and people can conveniently adjust the height of the protective device; after the height adjustment is finished, people can use the locking mechanisms on the two sides to lock and fix the driving gear and the boss, so that the lifting rod can be stably fixed at the adjusted height position;

in the process of adjusting the height, the second protective railing of the transverse table can slide out of the first protective railing of the base plate, and road and bridge construction can be protected through the matching of the first protective railing and the second protective railing;

the utility model provides a current rail guard simple structure usually, the shape size is fixed, can't adjust the height of rail guard, can not satisfy the protection needs of higher height, has the problem of certain limitation in the use.

Further inject, locking mechanism is including evenly setting up a plurality of pinholes on the driving gear circumference and with boss upside threaded connection's screw pin, screw pin and pinhole phase-match, it is fixed through the cooperation locking of pinhole and screw pin between driving gear and the boss. By means of the structure, people can conveniently pass the threaded pin through the pin hole to enable the driving gear and the boss to be locked and fixed, and the lifting rod is prevented from sliding downwards after being lifted.

Further inject, the inside symmetry of sliding chamber is equipped with the location spout, the lifter bottom symmetry is equipped with and fixes a position the slider assorted. By adopting the structure, the lifting rod can be more stable in the lifting process.

Further defined, the rotating assembly is located in a Z-shaped handle. By adopting the structure, a user can conveniently rotate the rotating rod through the Z-shaped handle when operating and using the rotating rod.

Further, the surface of the first guard rail rod is adhered with a reflective strip. With such a configuration, the vehicle can be presented at night to avoid a collision.

Compared with the prior art, the utility model has the following advantages:

1. people operate the rotating assemblies from two sides, and the steel cable is wound through the fixed pulley, so that the lifting rod can ascend, the height of the protection device is adjusted, the protection height can be adjusted according to protection requirements, and the applicability is wider;

2. the locking mechanism has simple structure and convenient use, and the protective device has simple operation and convenient use; and through setting up reflection of light strip to can avoid the collision protector of coming the car night.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural view of an embodiment of a protection device for road and bridge construction of the present invention;

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

FIG. 3 is a schematic view of an internal cross-sectional structure of a column mechanism of an embodiment of the protection device for road and bridge construction of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

the main element symbols are as follows:

the vertical column mechanism 1, the mounting base 11, the first guard rail 111, the reflective strip 112, the sliding cavity 12, the positioning sliding chute 121, the through groove 13, the through hole 14, the pulley seat 15, the fixed pulley 151, the steel cable 152, the connecting rod 16, the driven gear 161, the boss 17, the rotating rod 171, the driving gear 172, the rotating assembly 173, the bottom plate 18, the lifting rod 2, the through hole 21, the horizontal platform 22, the second guard rail 221, the positioning slider 23, the locking mechanism 3, the pin hole 31, and the threaded pin 32.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in FIGS. 1-4, the utility model relates to a protective device for road and bridge construction, which comprises two upright post mechanisms 1 symmetrically arranged, the lower end of the upright post mechanism 1 is provided with an installation base 11, the inside of the upright post mechanism 1 is provided with a sliding cavity 12, the upper end of the upright post mechanism 1 is provided with a through groove 13, the diameter of the through groove 13 is smaller than that of the sliding cavity 12, the upright post mechanism 1 is slidably connected with a lifting rod 2, the lower end of the lifting rod 2 penetrates through the through groove 13 and extends into the sliding cavity 12, the bottom of the lifting rod 2 is provided with a through hole 21 extending forwards and backwards, the upper end of the upright post mechanism 1 is provided with a through hole 14 symmetrically arranged forwards and backwards, the lower end of the upright post mechanism 1 is provided with a pulley seat 15 symmetrically arranged forwards and backwards, the pulley seat 15 is rotatably connected with a fixed pulley 151, a steel cable 152 is arranged between the two fixed pulleys 151, the steel cable 152 passes through the through hole 21 and the two through holes 14, the two ends are respectively fixedly connected with the two fixed pulleys 151, the pulley seat 15 is provided with a connecting rod 16 fixedly connected with the fixed pulley 151, two connecting rods 16 all are equipped with driven gear 161, 1 lower extreme of stand mechanism still is equipped with boss 17, boss 17 rotates and is connected with bull stick 171, bull stick 171 be equipped with two driven gear 161 assorted driving gear 172, bull stick 171 tip is equipped with runner assembly 173, be equipped with locking mechanism 3 between driving gear 172 and the boss 17, common fixedly connected with bottom plate 18 between two installation bases 11, bottom plate 18 upside is equipped with a plurality of first guard rails 111, common fixedly connected with horizontal platform 22 between two lifter 2, horizontal platform 22 downside is equipped with a plurality of second guard rails 221 with first guard rail 111 sliding connection.

By adopting the technical scheme of the utility model, when in use, firstly, the device is fixed on the ground through the mounting base 11, when in actual application and the protection height of the device needs to be adjusted, people operate the rotating assemblies 173 of the upright post mechanisms 1 at both sides simultaneously to respectively drive the rotating rods 171 on the bosses 17 at the bottom of the upright post mechanisms 1 at both sides to rotate, when the rotating rods 171 rotate, the driving gear 172 can rotate, because the driving gear 172 is meshed and matched with the driven gears 161 of the two connecting rods 16, the two driven gears 161 can drive the two connecting rods 16 to rotate, thereby the fixed pulleys 151 of the pulley bases 15 at the front and rear ends at the bottom of the upright post mechanisms 1 can rotate, thereby the two fixed pulleys 151 can simultaneously roll the steel cable 152, because the steel cable 152 passes through the through hole 21 and the two through holes 14, therefore, the lifting rod 2 can gradually rise relative to the through groove 13 of the upright post mechanisms 1 in the rolling process of the steel cable 152, the lifting rod 2 gradually slides out of the sliding cavity 12, so that people can conveniently adjust the height of the protective device; after the height adjustment is finished, people can use the locking mechanisms 3 on the two sides to lock and fix the driving gear 172 and the boss 17, so that the lifting rod 2 can be stably fixed at the adjusted height position;

in the process of adjusting the height, the second guard rail 221 of the transverse table 22 can slide out of the first guard rail 111 of the bottom plate 18, and the first guard rail 111 and the second guard rail 221 are matched to protect the road and bridge construction;

Specifically, the locking mechanism 3 includes a plurality of pin holes 31 uniformly arranged on the circumference of the driving gear 172 and a threaded pin 32 in threaded connection with the upper side of the boss 17, the threaded pin 32 is matched with the pin hole 31, and the driving gear 172 and the boss 17 are locked and fixed through the matching of the pin hole 31 and the threaded pin 32. With the structure, people can conveniently pass the threaded pin 32 through the pin hole 31 to lock and fix the driving gear 172 and the boss 17, so that the lifting rod 2 is prevented from sliding downwards after being lifted. In fact, other structures can be considered according to the situation, so that people can conveniently lock and fix the driving gear 172 and the boss 17, and the lifting rod 2 is prevented from sliding downwards after being lifted.

Specifically, the inside of the sliding cavity 12 is symmetrically provided with positioning sliding chutes 121, and the bottom of the lifting rod 2 is symmetrically provided with positioning sliding blocks 23 matched with the positioning sliding chutes 121. With the structure, the lifting rod 2 can be more stable in the lifting process. In fact, other structures can be considered according to the situation, so that the lifting rod 2 can be more stable in the lifting process.

Specifically, the rotating assembly 173 is a Z-shaped handle. With such a structure, the rotating rod 171 can be conveniently rotated by the Z-shaped handle when the user operates the rotary device. In fact, other structures are also contemplated as appropriate to allow a person to conveniently rotate the rotating bar 171.

Specifically, the surface of the first guard rail 111 is adhered with a reflective strip 112. With such a configuration, the vehicle can be presented at night to avoid a collision. In fact, other configurations may be used depending on the situation, and the vehicle collision can be avoided by giving a prompt for the vehicle coming at night.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a protector is used in road bridge construction, includes stand mechanism (1) that two symmetries set up, stand mechanism (1) lower extreme is equipped with installation base (11), its characterized in that: a sliding cavity (12) is arranged in the upright post mechanism (1), a through groove (13) is arranged at the upper end of the upright post mechanism (1), the diameter of the through groove (13) is smaller than that of the sliding cavity (12), a lifting rod (2) is connected to the upright post mechanism (1) in a sliding manner, the lower end of the lifting rod (2) penetrates through the through groove (13) and extends into the sliding cavity (12), a through hole (21) extending forwards and backwards is arranged at the bottom of the lifting rod (2), through holes (14) symmetrical forwards and backwards are arranged at the upper end of the upright post mechanism (1), pulley bases (15) symmetrical forwards and backwards are arranged at the lower end of the upright post mechanism (1), the pulley bases (15) are rotatably connected with fixed pulleys (151), a steel cable (152) is arranged between the two fixed pulleys (151), and the two ends of the steel cable (152) are respectively and fixedly connected with the two fixed pulleys (151) after penetrating hole (21) and the two through holes (14) are passed, the pulley seat (15) is provided with connecting rods (16) fixedly connected with the fixed pulley (151), both the connecting rods (16) are provided with driven gears (161), the lower end of the upright post mechanism (1) is also provided with a boss (17), the boss (17) is rotatably connected with a rotating rod (171), the rotating rod (171) is provided with a driving gear (172) matched with the two driven gears (161), a rotating assembly (173) is arranged at the end part of the rotating rod (171), a locking mechanism (3) is arranged between the driving gear (172) and the boss (17), a bottom plate (18) is fixedly connected between the two mounting bases (11) together, a plurality of first guard rails (111) are arranged on the upper side of the bottom plate (18), a transverse table (22) is fixedly connected between the two lifting rods (2), a plurality of second guard rails (221) which are connected with the first guard rails (111) in a sliding manner are arranged on the lower side of the transverse table (22).

2. The protection device for road and bridge construction according to claim 1, wherein: locking mechanism (3) including evenly set up in a plurality of pinhole (31) on driving gear (172) circumference and with boss (17) upside threaded connection's threaded pin (32), threaded pin (32) and pinhole (31) phase-match, it is fixed through the cooperation locking of pinhole (31) and threaded pin (32) between driving gear (172) and boss (17).

3. The protection device for road and bridge construction according to claim 1, wherein: the inside symmetry of sliding chamber (12) is equipped with location spout (121), lifter (2) bottom symmetry is equipped with and fixes a position slider (23) with location spout (121) assorted.

4. The protection device for road and bridge construction according to claim 1, wherein: the rotating assembly (173) is a Z-shaped handle.

5. The protection device for road and bridge construction according to claim 1, wherein: the surface of the first guard rail (111) is adhered with a reflective strip (112).