CN214176817U

CN214176817U - High-strength bridge with anti-seismic performance

Info

Publication number: CN214176817U
Application number: CN202120119847.7U
Authority: CN
Inventors: 陈启庆; 陈启云; 葛世杰; 陈文杰
Original assignee: Shanghai Zhishuo Electrical Appliance Whole Set Co ltd
Current assignee: Shanghai Zhishuo Electrical Appliance Whole Set Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-09-10
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a high strength crane span structure with anti-seismic performance, including fixed frame and the bottom plate that is located fixed frame horizontal setting, the top of bottom plate is equipped with the support body, the bilateral symmetry of support body is equipped with the fixed plate that is connected with the bottom plate, the bottom of bottom plate is equipped with the buffer gear who is connected with fixed frame, buffer gear is including the casing that is located fixed frame bottom, be equipped with the slide bar of horizontal setting in the casing, be equipped with movable block one and movable block two that the symmetry set up on the slide bar, the top of movable block one and movable block two all is equipped with the toper piece of vertical setting. Has the advantages that: through bottom plate and buffer gear's cooperation design for the bottom plate moves down to contradict with the toper piece through the connecting rod, and the catch bar reaches the buffering effect with the compression spring extrusion, has certain shock attenuation effect and has realized the shock attenuation to the crane span structure, has the antidetonation effect of greatly increased crane span structure, has improved the shock resistance of crane span structure, the easy fixed effect of combing and the not fragile effect of crane span structure of cable.

Description

High-strength bridge with anti-seismic performance

Technical Field

The utility model relates to a crane span structure technical field particularly, relates to a high strength crane span structure with anti-seismic performance.

Background

The cable bridge is divided into structures such as a groove type cable bridge, a tray type cable bridge, a ladder type cable bridge, a grid bridge and the like, and is composed of a support, a supporting arm, an installation accessory and the like. Can be independently erected and also can be laid on various buildings and pipe rack supports, and has the characteristics of simple structure, attractive appearance, flexible configuration, convenient maintenance and the like.

The existing cable bridge has poor anti-seismic performance, cannot automatically reduce the intensity of vibration when being used in a special environment, and easily causes a bridge cover plate to fall off when the cable bridge vibrates, thereby bringing potential safety hazards.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a high strength crane span structure with anti-seismic performance to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a high-strength bridge frame with anti-seismic performance comprises a fixed frame and a bottom plate which is transversely arranged in the fixed frame, wherein a frame body is arranged at the top end of the bottom plate, fixed plates connected with the bottom plate are symmetrically arranged on two sides of the frame body, a buffer mechanism connected with the fixed frame is arranged at the bottom end of the bottom plate, the buffer mechanism comprises a shell body arranged at the bottom end in the fixed frame, a slide rod which is transversely arranged is arranged in the shell body, a first movable block and a second movable block which are symmetrically arranged are arranged on the slide rod, vertically arranged conical blocks are arranged at the top ends of the first movable block and the second movable block, pulleys matched with the conical blocks are arranged on one sides of the conical blocks, connecting rods extending to the upper portion of the shell body are arranged on one sides of the pulleys, the connecting rods are of an L-shaped structure, and damping springs connected with the connecting rods are symmetrically arranged at the top end in the shell body, the bottom ends of the first moving block and the second moving block are respectively provided with a side plate, one side of each of the two groups of side plates is provided with a push rod which penetrates through the side plates, two sides in the shell are respectively provided with a barrel which is sleeved on the push rods, and compression springs which are abutted to the push rods are arranged in the barrels.

Preferably, toothed plates are arranged at the ends, close to each other, of the two groups of push rods, and gears are arranged in the shell and between the two groups of toothed plates.

Preferably, the gear is meshed with the toothed plate and is connected with the shell through a rotating shaft, and a torsion spring matched with the rotating shaft is sleeved on the rotating shaft.

Preferably, the side plate is provided with a through hole matched with the push rod, and the fixing plate is connected with the bottom plate through a connecting bolt.

Preferably, the top end of the shell is provided with a stroke groove matched with the connecting rod, and the sliding rod is provided with symmetrically arranged limiting pieces.

Preferably, the top end of the fixing frame is provided with a top plate arranged transversely.

The utility model has the advantages that: through bottom plate and buffer gear's cooperation design for the bottom plate moves down to contradict with the toper piece through the connecting rod, and the catch bar reaches the buffering effect with the compression spring extrusion, has certain shock attenuation effect and has realized the shock attenuation to the crane span structure, has the antidetonation effect of greatly increased crane span structure, has improved the shock resistance of crane span structure, the easy fixed effect of combing and the not fragile effect of crane span structure of cable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a high-strength bridge with seismic performance according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a buffering mechanism in a high-strength bridge with shock resistance according to an embodiment of the present invention;

fig. 3 is a second schematic structural diagram of a buffering mechanism in a high-strength bridge with shock resistance according to an embodiment of the present invention.

In the figure:

1. a fixing frame; 2. a base plate; 3. a frame body; 4. a fixing plate; 5. a housing; 6. a slide bar; 7. moving a first block; 8. a second moving block; 9. a conical block; 10. a pulley; 11. a connecting rod; 12. a damping spring; 13. a side plate; 14. a push rod; 15. a barrel; 16. a compression spring; 17. a toothed plate; 18. a gear; 19. a rotating shaft; 20. a top plate.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a high strength crane span structure with shock resistance.

The first embodiment is as follows:

as shown in fig. 1-3, a high strength bridge with anti-seismic performance according to an embodiment of the present invention comprises a fixed frame 1 and a bottom plate 2 horizontally disposed in the fixed frame 1, wherein a frame body 3 is disposed on the top end of the bottom plate 2, fixed plates 4 connected to the bottom plate 2 are symmetrically disposed on both sides of the frame body 3, a buffer mechanism connected to the fixed frame 1 is disposed on the bottom end of the bottom plate 2, the buffer mechanism comprises a housing 5 disposed at the bottom end of the fixed frame 1, a horizontally disposed slide bar 6 is disposed in the housing 5, a first movable block 7 and a second movable block 8 symmetrically disposed on the slide bar 6, the first movable block 7 and the second movable block 8 are both provided at the top ends thereof with vertically disposed conical blocks 9, pulleys 10 matched with the conical blocks 9 are both disposed on one side close to each other, and a connecting rod 11 extending to the top of the housing 5 is disposed on one side of each pulley 10, the connecting rod 11 is of an L-shaped structure, damping springs 12 connected with the connecting rod 11 are symmetrically arranged at the top end in the shell 5, side plates 13 are arranged at the bottom ends of the first moving block 7 and the second moving block 8, push rods 14 penetrating through each other are arranged on one side of each of the two sets of side plates 13, a cylinder 15 sleeved on the push rods 14 is arranged on two sides in the shell 5, and a compression spring 16 abutting against the push rods 14 is arranged in the cylinder 15.

Example two:

as shown in fig. 1-3, two sets of the one ends that the catch bars 14 are close to each other are all provided with toothed plates 17, a gear 18 is arranged in the housing 5 and between the two sets of the toothed plates 17, the gear 18 is engaged with the toothed plates 17, the gear 18 is connected with the housing 5 through a rotating shaft 19, the rotating shaft 19 is sleeved with a torsion spring matched with the rotating shaft 19, the side plate 13 is provided with a through hole matched with the catch bars 14, and the fixing plate 4 is connected with the bottom plate 2 through a connecting bolt. Through the matching design of the gear 18 and the toothed plate 17, the toothed plate 17 is meshed with the gear 18 in the moving process of the push rod 14, the gear 18 is limited by a torsion spring in the rotating process, and the buffering effect is further improved.

Example three:

as shown in fig. 1-3, a stroke slot matched with the connecting rod 11 is formed at the top end of the housing 5, the sliding rod 6 is provided with symmetrically arranged limiting pieces, and the top end of the fixing frame 1 is provided with a top plate 20 which is transversely arranged.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the bottom plate 2 moves downwards when receiving 3 shaking forces on the support body, the bottom plate 2 synchronously drives the connecting rod 11 to move downwards, the connecting rod 11 receives damping of the damping spring 12 when moving downwards, corresponding damping effect is achieved, the pulley 10 slides on the inclined plane of the conical block 9, so that the conical block 9 is forced to move towards two sides, the first moving block 7 and the second moving block 8 slide towards two sides at the sliding rod 6 and drive the side plates 13 to move synchronously, the side plates 13 drive the push rods 14 to move and stretch the compression springs 16, the buffering effect is further improved, and multilayer shock absorption protection of the bridge frame is realized.

To sum up, with the help of the above technical scheme of the utility model, through bottom plate 2 and buffer gear's cooperation design for bottom plate 2 moves down through connecting rod 11 and moves down and contradict with conical block 9, and catch bar 14 reaches the buffering effect with compression spring 16 extrusion, has certain shock attenuation effect and has realized the shock attenuation to the crane span structure, has the antidetonation effect of greatly increased crane span structure, has improved the shock resistance of crane span structure, the easy fixed effect of combing and the not fragile effect of crane span structure of cable.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The high-strength bridge with the anti-seismic performance is characterized by comprising a fixed frame (1) and a bottom plate (2) which is located in the fixed frame (1) and transversely arranged, wherein a frame body (3) is arranged at the top end of the bottom plate (2), fixed plates (4) connected with the bottom plate (2) are symmetrically arranged on two sides of the frame body (3), a buffer mechanism connected with the fixed frame (1) is arranged at the bottom end of the bottom plate (2), the buffer mechanism comprises a shell (5) located at the inner bottom end of the fixed frame (1), a transversely arranged sliding rod (6) is arranged in the shell (5), a first movable block (7) and a second movable block (8) which are symmetrically arranged are arranged on the sliding rod (6), vertically arranged conical blocks (9) are arranged at the top ends of the first movable block (7) and the second movable block (8), and pulleys (10) matched with the conical blocks are arranged on one sides of the conical blocks (9) close to each other, the pulley is characterized in that a connecting rod (11) extending to the upper portion of the shell (5) is arranged on one side of the pulley (10), the connecting rod (11) is of an L-shaped structure, damping springs (12) connected with the connecting rod (11) are symmetrically arranged at the top end of the shell (5), side plates (13) are arranged at the bottom ends of the first moving block (7) and the second moving block (8), push rods (14) penetrating through each other are arranged on one sides of the two sets of side plates (13), barrel bodies (15) sleeved on the push rods (14) are arranged on two sides of the shell (5), and compression springs (16) which are abutted to the push rods (14) are arranged in the barrel bodies (15).

2. A high-strength bridge with shock resistance according to claim 1, characterized in that the ends of the two groups of push rods (14) close to each other are provided with toothed plates (17), and a gear (18) is arranged in the housing (5) and between the two groups of toothed plates (17).

3. The high-strength bridge with shock resistance as claimed in claim 2, wherein the gear (18) is meshed with the toothed plate (17), and the gear (18) is connected with the housing (5) through a rotating shaft (19), and the rotating shaft (19) is sleeved with a torsion spring matched with the rotating shaft (19).

4. The high-strength bridge with shock resistance as claimed in claim 1, wherein said side plates (13) are provided with through holes matching with said pushing rods (14), and said fixing plate (4) is connected with said bottom plate (2) through connecting bolts.

5. The high-strength bridge with the shock resistance as claimed in claim 1, wherein the top end of the housing (5) is provided with a stroke slot matched with the connecting rod (11), and the sliding rod (6) is provided with symmetrically arranged limiting pieces.

6. A high strength bridge with seismic resistance according to claim 1, characterized in that the top end of the fixed frame (1) is provided with a transversely arranged top plate (20).