CN217115469U

CN217115469U - Bridge with free turning angle

Info

Publication number: CN217115469U
Application number: CN202220536853.7U
Authority: CN
Inventors: 刘建平
Original assignee: China Railway Construction Engineering Group Co Ltd; China Railway Construction Engineering Group South China Co Ltd
Current assignee: China Railway Construction Engineering Group Co Ltd; China Railway Construction Engineering Group South China Co Ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-08-02
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a bridge with free corners, which comprises a first bridge with a second bridge movably arranged on one side, wherein a rectangular frame groove is arranged in the middle of one end of the first bridge and the second bridge in opposite directions, an extension bridge is movably arranged between the rectangular frame grooves of the first bridge and the second bridge, both ends of the extension bridge can be slidably arranged in the rectangular frame groove, springs are fixedly arranged at both ends of the extension bridge, one ends of the springs, far away from the extension bridge, are fixedly arranged in the rectangular frame groove, four opposite end sides of the first bridge and the second bridge are respectively provided with a fixing bolt which can be screwed into the extension bridge, both sides of one end of the second bridge, far away from the first bridge, are respectively provided with a connecting lug, one opposite side of the two connecting lugs is fixedly arranged in the middle of the first bridge, a rotating shaft is fixedly arranged on one side of the two connecting lugs in opposite directions, the bridge with free corners has reasonable structure, and is convenient for adjusting the whole length of the bridge according to the specific construction conditions, the universality is stronger, and the use is convenient.

Description

Bridge with free rotation angle

Technical Field

The utility model belongs to the technical field of the cable testing bridge, concretely relates to crane span structure of free corner.

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. The steel plate can be independently erected and also can be laid on various buildings (structures) and pipe gallery supports, the characteristics of simple structure, attractive appearance, flexible configuration, convenience in maintenance and the like are reflected, all parts need to be galvanized and installed on an outdoor bridge outside the building, and if the steel plate is near the seaside or belongs to a corrosive area, the steel plate must have the physical characteristics of corrosion resistance, moisture resistance, good adhesive force and high impact strength.

Ordinary crane span structure is bent by sheet metal an organic whole and is made on the market before, and constructor can't change its length, can't adjust the whole length of crane span structure according to specific construction conditions, and the commonality is relatively poor, and constructor need measure in advance and select the crane span structure of joining in marriage suitable length to use before the construction, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crane span structure of free corner 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 does:

a bridge with free corners comprises a first bridge with a second bridge movably arranged on one side;

the bridge frame comprises a first bridge frame and a second bridge frame, wherein a rectangular frame groove is formed in the middle of one end of the first bridge frame and one end of the second bridge frame in the opposite direction, an extension bridge frame is movably arranged between the rectangular frame grooves of the first bridge frame and the second bridge frame, the two ends of the extension bridge frame are slidably arranged in the rectangular frame grooves, springs are fixedly arranged at the two ends of the extension bridge frame, one end, far away from the extension bridge frame, of each spring is fixedly arranged in the rectangular frame groove, and fixing bolts capable of being screwed into the extension bridge frame are arranged on the four sides of one end of the first bridge frame and one end of the second bridge frame in the opposite direction.

Furthermore, the two sides of one end, far away from the first bridge, of the second bridge are both provided with connecting lugs, and a rotating shaft is fixedly installed in the middle of one opposite side of each connecting lug.

Furthermore, U-shaped plates can be movably mounted on the outer edge surfaces of the two rotating shafts, and one ends of the U-shaped plates are fixedly connected with a bridge frame III.

Furthermore, fixing plates are respectively constructed at the tops of two sides of the first bridge frame, a connecting bolt is arranged on the lower end face of each fixing plate, and one end of each connecting bolt can be screwed into the corresponding fixing plate.

Furthermore, cable clamps can be detachably mounted on two sides of the inner wall of the first bridge frame, side plates with one sides attached to the inner wall of the first bridge frame are constructed at the top and the bottom of each cable clamp, and fixing screws capable of being spirally mounted in the first bridge frame are arranged in the side plates at equal intervals.

Furthermore, a through hole for the rotating shaft to be inserted is formed in the U-shaped plate, a ball bearing installed in the through hole is sleeved on the outer edge surface of the rotating shaft, and a limiting bolt capable of being screwed into the U-shaped plate is arranged on one side of the connecting lug.

Compared with the prior art, the utility model discloses following beneficial effect has: the first bridge frame and the second bridge frame can be pulled towards opposite directions due to the arrangement of the first bridge frame, the second bridge frame, the rectangular frame groove and the extension bridge frame, so that the extension bridge frame can extend out of the rectangular frame groove formed in the first bridge frame and the second bridge frame, the length adjustment is realized, the fixing bolt is screwed into the extension bridge frame in a screwing mode by screwing the fixing bolt, the limiting and fixing among the extension bridge frame, the first bridge frame and the second bridge frame can be completed, the whole length of the bridge frame can be adjusted according to specific construction conditions, the universality is high, and the use is convenient;

benefit from the color value of spring, when rethread pulling crane span structure one and crane span structure two, can make the spring receive tensile and deformation, the elasticity that produces through spring deformation can promote fixing bolt and extend the thread engagement intensity between the crane span structure to promote spacing fixed stability.

Drawings

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

fig. 2 is a cross-sectional view of the present invention in fig. 1;

fig. 3 is an enlarged schematic view of a structure a in fig. 2 according to the present invention.

In the figure: 1. a first bridge frame; 2. a second bridge frame; 3. a rectangular frame slot; 4. extending the bridge frame; 5. a spring; 6. fixing the bolt; 7. a fixing plate; 8. a connecting bolt; 9. connecting lugs; 10. a rotating shaft; 11. a limit bolt; 12. a U-shaped plate; 13. a bridge frame III; 14. a cable clamp; 15. a side plate; 16. and fixing the screw.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In order to adjust the overall length of the bridge frame conveniently according to specific construction conditions, as shown in fig. 1-3, the bridge frame with free corners comprises a first bridge frame 1 with a second bridge frame 2 movably mounted on one side, a rectangular frame groove 3 is formed in the middle of one end of the first bridge frame 1 opposite to the second bridge frame 2, an extension bridge frame 4 is movably mounted between the rectangular frame grooves 3 of the first bridge frame 1 and the second bridge frame 2, two ends of the extension bridge frame 4 are slidably mounted in the rectangular frame grooves 3, springs 5 are fixedly mounted at two ends of the extension bridge frame 4, one end of each spring 5 far away from the extension bridge frame 4 is fixedly arranged in the rectangular frame groove 3, fixing bolts 6 capable of being screwed into the extension bridge frame 4 are arranged on four sides of one end of the first bridge frame 1 opposite to the second bridge frame 2, the rectangular frame grooves 3 and the extension bridge frame 4, can move towards opposite direction pulling crane span structure 1 and crane span structure two 2, thereby can make extension crane span structure 4 stretch out in the rectangle frame groove 3 that crane span structure 1 and crane span structure two 2 seted up, thereby realize the length adjustment, and move fixing bolt 6 through twisting, make 6 spiral twists of fixing bolt extend in the crane span structure 4, can accomplish the spacing fixed between extension crane span structure 4 and crane span structure 1 and the crane span structure two 2, can adjust the whole length of crane span structure according to specific construction conditions, the commonality is stronger, high durability and convenient use, benefit from the color value of spring 5, when rethread pulling crane span structure 1 and crane span structure two 2, can make spring 5 receive tensile and deformation, elasticity through 5 deformation productions of spring can promote fixing bolt 6 and the thread engagement intensity between the extension crane span structure 4, thereby promote spacing fixed stability.

For rotation adjustment between the third bridge frame 13 and the second bridge frame 2, as shown in fig. 1 and 2, connecting lugs 9 are constructed on two sides of one end, away from the first bridge frame 1, of the second bridge frame 2, rotating shafts 10 are fixedly installed on one opposite sides of the two connecting lugs 9, U-shaped plates 12 are movably installed on outer edge surfaces of the two rotating shafts 10, one end of each U-shaped plate 12 is fixedly connected with the third bridge frame 13, through holes for the rotating shafts 10 to be inserted are formed in the U-shaped plates 12, ball bearings installed in the through holes are sleeved on the outer edge surfaces of the rotating shafts 10, and limiting bolts 11 capable of being screwed into the U-shaped plates 12 are arranged on one sides of the connecting lugs 9.

In order to facilitate the installation of the bridge during construction, as shown in fig. 1, fixing plates 7 are respectively configured at the tops of two sides of a first bridge 1, a connecting bolt 8 is arranged on the lower end surface of each fixing plate 7, and one end of each connecting bolt 8 can be screwed into the corresponding fixing plate 7.

In order to arrange cables in order, as shown in fig. 1 and 2, cable clamps 14 are detachably mounted on two sides of the inner wall of the first bridge frame 1, side plates 15 are respectively constructed at the top and the bottom of each cable clamp 14, one side of each side plate is attached to the inner wall of the first bridge frame 1, and fixing screws 16 which can be spirally mounted in the first bridge frame 1 are arranged in the side plates 15 at equal intervals.

The working principle is as follows: when the bridge with the free turning angle is used, by means of rotatable connection between the U-shaped plate 12 and the rotating shaft 10, relative rotation between the third bridge 13 and the second bridge 2 can be achieved, the limiting bolt 11 is screwed, one end of the limiting bolt 11 is screwed into the U-shaped plate 12, limiting fixing between the third bridge 13 and the second bridge 2 can be achieved, the first bridge 1 and the second bridge 2 can be pulled towards opposite directions, the extension bridge 4 can extend out of the rectangular frame groove 3 formed in the first bridge 1 and the second bridge 2, length adjustment is achieved, the fixing bolt 6 is screwed into the extension bridge 4 by screwing the fixing bolt 6, limiting fixing between the extension bridge 4 and the first bridge 1 and the second bridge 2 can be achieved, cables can be arranged through the cable clamps 14, the cables are distributed more neatly, and subsequent maintenance is facilitated, this crane span structure of free corner, it is rational in infrastructure, be convenient for adjust the whole length of crane span structure according to specific construction conditions, the commonality is stronger, convenient to use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention 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. A bridge with free corners comprises a first bridge (1) with a second bridge (2) movably arranged on one side;

the method is characterized in that: rectangular frame groove (3) have all been seted up between two (2) opposite ends of crane span structure (1) and crane span structure between the two (2) rectangular frame groove (3) of crane span structure (1) and crane span structure movably install extension crane span structure (4), the equal slidable mounting in rectangular frame groove (3) in both ends of extension crane span structure (4), and the equal fixed mounting in both ends of extension crane span structure (4) has spring (5), the one end that extension crane span structure (4) were kept away from in spring (5) is fixed to be set up in rectangular frame groove (3), but crane span structure (1) and crane span structure two (2) opposite ends four sides all are provided with can twist spiral and extend fixing bolt (6) in crane span structure (4).

2. A free-wheeling bridge as defined in claim 1, wherein: and connecting lugs (9) are respectively constructed at two sides of one end, far away from the first bridge (1), of the second bridge (2), and a rotating shaft (10) is fixedly installed between two opposite sides of one side of each connecting lug (9).

3. A free-wheeling bridge as defined in claim 2, wherein: the outer edge surfaces of the two rotating shafts (10) can be movably provided with U-shaped plates (12), and one ends of the U-shaped plates (12) are fixedly connected with a third bridge frame (13).

4. A free-wheeling bridge as defined in claim 1, wherein: the top parts of two sides of the first bridge frame (1) are respectively provided with a fixing plate (7), the lower end face of each fixing plate (7) is provided with a connecting bolt (8), and one end of each connecting bolt (8) can be screwed into each fixing plate (7).

5. A free-wheeling bridge as defined in claim 1, wherein: the cable clamp (14) is detachably mounted on two sides of the inner wall of the first bridge frame (1), side plates (15) with one sides attached to the inner wall of the first bridge frame (1) are constructed at the top and the bottom of the cable clamp (14), and fixing screws (16) which can be spirally mounted in the first bridge frame (1) are arranged in the side plates (15) at equal intervals.

6. A free-wheeling bridge as defined in claim 3, wherein: the U-shaped plate (12) is internally provided with a through hole for the rotation shaft (10) to be inserted, the outer edge surface of the rotation shaft (10) is sleeved with a ball bearing installed in the through hole, and one side of the connecting lug (9) is provided with a limit bolt (11) which can be screwed into the U-shaped plate (12).