CN213597658U

CN213597658U - Protector is used in bridge construction

Info

Publication number: CN213597658U
Application number: CN202022116741.XU
Authority: CN
Inventors: 石欣
Original assignee: Xingtai Polytechnic College
Current assignee: Xingtai Polytechnic College
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-07-02
Anticipated expiration: 2030-09-17

Abstract

The utility model relates to a protective device, in particular to a protective device for bridge construction, which comprises a plurality of mutually movably connected fence units, wherein each fence unit comprises a fixed rod, the lower end of the fixed rod is fixedly connected with a second cross rod, a first cross rod parallel to the second cross rod is arranged above the second cross rod, two inner sides of a guardrail seat are horizontally provided with slots, one end of each slot is provided with a socket, a slide rod is inserted in the socket, one end of the slide rod is connected with a second limiting block, the second limiting block is in sliding fit with the inner wall of each slot, the upper surfaces of two ends of the slide rod are respectively provided with a second limiting hole and a first limiting hole, the second limiting hole is positioned in the guardrail seat and is internally inserted with the lower end of an inserted rod, the inserted rod is in sliding fit with the guardrail seat, an elastic mechanism for applying downward pressure to the inserted rod is arranged in the guardrail seat, the upper end of the inserted rod passes through the top surface of the guardrail seat and, the utility model discloses can improve the stability of guardrail.

Description

Protector is used in bridge construction

Technical Field

The utility model relates to a protector especially relates to a protector is used in bridge construction.

Background

The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern traffic industry with high-speed development, bridges are also extended to be constructed for spanning mountain mines, unfavorable geology or meeting other traffic needs, so that the buildings are more convenient to pass through, when the bridges are constructed, the protection device for bridge construction is required to be used, the protection device for bridge construction is generally a protection net, a protection frame and the like, the existing fence supporting surface is small and not stable enough, and the supporting surface is large, so that the protection device for bridge construction is inconvenient to move and carry, and the practicability of the protection device for bridge construction is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the protector is used in bridge construction who provides.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a protection device for bridge construction comprises a plurality of fence units which are movably connected with each other, each fence unit comprises a fixed rod, the lower end of each fixed rod is fixedly connected with a second cross rod, a first cross rod parallel to the second cross rod is arranged above the second cross rod, a plurality of guard bars are vertically connected between the first cross rod and the second cross rod, one end of each first cross rod is connected with the upper end of the fixed rod of the adjacent fence unit through a movable connection structure, guard bar seats are fixed on the lower surfaces of the two ends of each second cross rod, slots are horizontally arranged on the two inner sides of each guard bar seat, a socket is arranged at one end of each slot, a slide rod is inserted in each socket, one end of each slide rod is connected with a second limit block, the second limit blocks are in sliding fit with the inner walls of the slots, and the upper surfaces of the two ends of each slide rod are respectively provided with a second limit, no. two spacing holes are located the guardrail seat and the lower extreme of inside cartridge inserted bar, inserted bar and guardrail seat sliding fit, be equipped with the elastic mechanism who exerts downward pressure to the inserted bar in the guardrail seat, the top surface of guardrail seat is passed and the stopper is connected with No. one in the upper end of inserted bar.

Preferably, the movable connecting structure comprises a clamping block, the clamping block is fixed at the end of the first cross rod, the upper end of the fixed rod is rotatably connected with a lower fixed block, the upper portion of the lower fixed block is fixedly connected with an upper fixed block through a bolt, a clamping groove is formed in one face, close to each other, of the upper fixed block and the lower fixed block, the clamping block is clamped in the clamping groove, and the first cross rod penetrates through the side walls of the upper fixed block and the lower fixed block.

Preferably, the elastic mechanism comprises a baffle plate, the baffle plate is vertically connected with the middle part of the inserted link, a sliding groove is arranged in the guardrail seat and is located above the inserting groove, the baffle plate is in sliding fit with the inner wall of the sliding groove, a spring is arranged on the surface of the inserted link, and the upper end and the lower end of the spring respectively abut against the bottom surface of the sliding groove and the top surface of the baffle plate.

Preferably, a fixed inclined block is connected between the side face of the fixed rod and the second cross rod, and the fixed inclined block is in a right-angled triangle shape.

Preferably, the bottom surface of one end, located outside the guardrail seat, of the sliding rod is provided with a cushion block, the cushion block is a rubber block, and the bottom surface of the cushion block is flush with the bottom surface of the guardrail seat.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses set up the guardrail seat at the lower extreme of dead lever, set up the telescopic slide bar in the guardrail seat, can increase the holding surface after the slide bar extension for the guardrail is more stable, reduces occupation space after the shrink, easily transports, the flexible of slide bar pass through the operation inserted bar can, need not specialized tool, convenient operation.

Drawings

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

fig. 2 is an assembly view of the guardrail of the present invention;

fig. 3 is a cross-sectional view of the guardrail seat of the present invention;

fig. 4 is a cross-sectional view of the connection mechanism of the present invention.

In the figure: 1. an upper fixed block; 2. fixing the rod; 3. a first limiting block; 4. a slide bar; 5. a guardrail seat; 6. fixing the inclined block; 7. guard rails; 8. a first cross bar; 9. a spring; 10. a second limiting block; 11. inserting a rod; 12. a slot; 13. a first limiting hole; 14. a baffle plate; 15, bolts; 16. a second cross bar; 17. a second limiting hole; 18. a socket; 19. a chute; 20. a clamping block; 21. a lower fixed block; 22. cushion blocks; 23. a clamping groove.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The protection device for bridge construction shown in fig. 1-4 comprises a plurality of mutually movably connected fence units, each fence unit comprises a fixed rod 2, a second cross rod 16 is fixedly connected to the lower end of each fixed rod 2, a first cross rod 8 parallel to each second cross rod 16 is arranged above each second cross rod 16, a plurality of guardrail rods 7 are perpendicularly connected between each first cross rod 8 and each second cross rod 16, one end of each first cross rod 8 is connected with the upper end of each fixed rod 2 of the adjacent fence unit through a movable connection structure, and the guardrails are more stable through the arranged first cross rods 8 and the second cross rods 16.

Surface mounting has guardrail seat 5 under the both ends of second horizontal pole 16, the equal level in inside both sides of guardrail seat 5 is equipped with slot 12, the one end of slot 12 is equipped with socket 18, slide bar 4 is equipped with in the interpolation of socket 18, the one end of slide bar 4 is connected with No. two stopper 10, No. two stopper 10 and slot 12's inner wall sliding fit, the both ends upper surface of slide bar 4 is equipped with No. two spacing holes 17 and No. one spacing hole 13 respectively, No. two spacing holes 17 are located guardrail seat 5 and the lower extreme of inside cartridge inserted bar 11, inserted bar 11 and guardrail seat 5 sliding fit, be equipped with the elastic mechanism who applys downward pressure to inserted bar 11 in the guardrail seat 5, the upper end of inserted bar 11 passes the top surface of guardrail seat 5 and is connected with stopper 3 No. one. The inserted bar 11 is used for prescribing a limit to the position of slide bar 4, can conveniently operate inserted bar 11 through stopper 3 No. one, and inserted bar 11 upwards takes out the back and can expand the slide bar to the both sides of guardrail seat 5, increases the holding surface, improves stability, and when needing the transportation, the slide bar 4 can be taken in and reduce occupation space in the guardrail seat 5.

The movable connecting structure comprises a clamping block 20, the clamping block 20 is fixed at the end part of the first cross rod 8, the upper end of the fixing rod 2 is rotatably connected with a lower fixing block 21, the upper part of the lower fixing block 21 is fixedly connected with an upper fixing block 1 through a bolt 15, a clamping groove 23 is formed in one face, close to each other, of the upper fixing block 1 and the lower fixing block 21, the clamping block 20 is clamped in the clamping groove 23, the first cross rod 8 penetrates through the side walls of the upper fixing block 1 and the lower fixing block, the clamping block 20 is installed in another guardrail through the clamping groove 23, and adjacent fence units can be.

Elastic mechanism includes baffle 14, the middle part of inserted bar 11 is connected perpendicularly to baffle 14, be equipped with spout 19 in the guardrail seat 5, spout 19 is located the top of slot 12, the inner wall sliding fit of baffle 14 and spout, the surface of inserted bar 11 is provided with spring 9, the upper and lower both ends of spring 9 support the bottom surface of spout and the top surface of baffle 14 respectively, spring 9 case inserted bar 11 provides elasticity, make inserted bar 11 can stabilize the cartridge in No. two spacing holes 17 or No. one spacing hole 13, thereby keep the stability of slide bar 4 position.

Be connected with fixed sloping block 6 between the side of dead lever 2 and second horizontal pole 16, fixed sloping block 6 is right angled triangle, makes the more stable of guardrail through the fixed sloping block 6 that sets up.

The bottom surface of one end of the sliding rod 4, which is positioned outside the guardrail seat 5, is provided with a cushion block 22, the cushion block 22 is a rubber block, the bottom surface of the cushion block 22 is flush with the bottom surface of the guardrail seat 5, and the contact area with the ground is increased through the arranged cushion block 22.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The protection device for bridge construction comprises a plurality of fence units which are movably connected with each other, each fence unit comprises a fixed rod (2), and is characterized in that a second cross rod (16) is fixedly connected to the lower end of each fixed rod (2), a first cross rod (8) parallel to each second cross rod is arranged above each second cross rod (16), a plurality of guard rails (7) are vertically connected between each first cross rod (8) and each second cross rod (16), one end of each first cross rod (8) is connected with the upper end of each fixed rod (2) of the adjacent fence unit through a movable connecting structure, guard rail seats (5) are fixed on the lower surfaces of the two ends of each second cross rod (16), slots (12) are horizontally arranged on the two inner sides of each guard rail seat (5), a socket (18) is arranged at one end of each slot (12), a sliding rod (4) is inserted into each socket (18), the one end of slide bar (4) is connected with No. two stopper (10), No. two stopper (10) and the inner wall sliding fit of slot (12), the both ends upper surface of slide bar (4) is equipped with No. two spacing holes (17) and spacing hole (13) No. two, No. two spacing hole (17) are located guardrail seat (5) and the lower extreme of inside cartridge inserted bar (11), inserted bar (11) and guardrail seat (5) sliding fit, be equipped with the elastic mechanism who applys decurrent force to inserted bar (11) in guardrail seat (5), the upper end of inserted bar (11) is passed the top surface of guardrail seat (5) and is connected with stopper (3) No. one.

2. The protection device for bridge construction according to claim 1, wherein the movable connection structure comprises a fixture block (20), the fixture block (20) is fixed at the end of the first cross bar (8), the upper end of the fixed rod (2) is rotatably connected with a lower fixed block (21), the upper portion of the lower fixed block (21) is fixedly connected with an upper fixed block (1) through a bolt (15), a clamping groove (23) is formed in one surface of the upper fixed block (1) and the lower fixed block (21) close to each other, the fixture block (20) is clamped in the clamping groove (23), and the first cross bar (8) penetrates through the side walls of the upper fixed block (1) and the lower fixed block.

3. The protection device for bridge construction according to claim 1, wherein the elastic mechanism comprises a baffle (14), the baffle (14) is vertically connected with the middle of the insert rod (11), a sliding groove (19) is formed in the guardrail seat (5), the sliding groove (19) is located above the insertion groove (12), the baffle (14) is in sliding fit with the inner wall of the sliding groove, a spring (9) is arranged on the surface of the insert rod (11), and the upper end and the lower end of the spring (9) respectively abut against the bottom surface of the sliding groove and the top surface of the baffle (14).

4. The protection device for bridge construction according to claim 1, wherein a fixed inclined block (6) is connected between the side surface of the fixed rod (2) and the second cross rod (16), and the fixed inclined block (6) is a right triangle.

5. The protection device for bridge construction according to claim 1, wherein a cushion block (22) is arranged on the bottom surface of one end of the sliding rod (4) located outside the guardrail seat (5), the cushion block (22) is a rubber block, and the bottom surface of the cushion block (22) is flush with the bottom surface of the guardrail seat (5).