CN217789229U

CN217789229U - Step type large-span high-strength cable bridge structure

Info

Publication number: CN217789229U
Application number: CN202222093100.6U
Authority: CN
Inventors: 童鑫; 丁长波
Original assignee: Anhui Shengxin Electric Technology Co ltd
Current assignee: Anhui Shengxin Electric Technology Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-11-11
Anticipated expiration: 2032-08-10

Abstract

The utility model discloses a step-type large-span high strength cable testing bridge structure, including curb plate and second bracing piece, the terminal surface of curb plate is provided with first bracing piece, and the threaded rod is installed to the inner wall of first bracing piece, and the distolateral fixed with knob of threaded rod, the outer gear is installed in the outside of threaded rod, and the avris of outer gear is provided with the inner gear, and the outside of inner gear is fixed with the movable plate, the handle is installed to the intermediate position of movable plate, and the inboard of movable plate is fixed with first telescopic link, and first spring is installed in the outside of first telescopic link, the second bracing piece sets up in the terminal surface of curb plate, and the second spring is installed in the outside of second bracing piece, and the intermediate position of second bracing piece is fixed with first fixed block. The utility model discloses be convenient for adjust the size of crane span structure, place the cable of different quantity, reduce the striking effort of cable to the crane span structure simultaneously, improve the life of crane span structure.

Description

Step type large-span high-strength cable bridge structure

Technical Field

The utility model relates to a cable testing bridge technical field especially relates to a ladder formula large-span high strength cable testing bridge structure.

Background

Big span cable testing bridge is that single crane span is big, the longer a type of cable testing bridge of length, be applicable to power cable, control cable, lighting cable and accessory etc, it is comparatively single to the big span cable testing bridge structure of ladder formula present, need place when a large amount of cables at the cable testing bridge, place comparatively difficultly, very easily cause the winding confusion between the cable, the later stage of being not convenient for overhauls the cable, and the present ladder formula cable testing bridge adopts crossbeam and curb plate welding or the form installation of fix with screw more, after long-time the use, the crossbeam corrodes or pine takes off with the curb plate junction, lead to the crossbeam to drop, influence the crane span structure safety in utilization.

In order to solve the problems, an authorized invention patent document with the application number of CN201921356375.6 discloses a stepped large-span cable bridge, cables with different properties are distinguished and isolated through limiting plates, distinguishing operation is convenient to be carried out on the cables according to the cables to be overhauled, later-period cable overhauling operation is convenient to carry out, two ends of a cross beam penetrate through side plates and are installed with the side plates, firmness of installation of the cross beam and the side plates is improved, loosening and falling of joints of the cross beam and the side plates in the later period are avoided, and use safety of the bridge is reduced.

Although the above patent document solves the problem of security of the stepped large-span cable bridge in the prior art, the stepped large-span cable bridge still has the following disadvantages: firstly, the size of the existing stepped large-span cable bridge cannot be adjusted according to the number of cables, so that the cables are loose and easy to shake, and secondly, the cables easily impact the bridge under the action of external force, so that the bridge has poor protection capability and is easy to damage after being used for a long time, and the service life of the bridge is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a ladder type large-span high-strength cable bridge structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a ladder-type large-span high strength cable testing bridge structure, includes curb plate and second bracing piece, the terminal surface of curb plate is provided with first bracing piece, and the inner wall of first bracing piece installs the threaded rod to the distolateral side of threaded rod is fixed with the knob, the outer gear is installed in the outside of threaded rod, and the avris of outer gear is provided with the inner gear to the outside of inner gear is fixed with the movable plate, the handle is installed to the intermediate position of movable plate, and the inboard of movable plate is fixed with first telescopic link, and first spring is installed in the outside of first telescopic link, the second bracing piece sets up in the terminal surface of curb plate, and the outside of second bracing piece installs the second spring, the end department of third spring is connected with the second extrusion pole, and the second fixed block is installed to the bottom of second extrusion pole.

Preferably, the side plate is in threaded connection with the threaded rod, and the side plate and the first support rod form a sliding installation structure through the threaded rod.

Preferably, the threaded rod and the first support rod form a rotary mounting structure through a knob, and threads on two sides of the threaded rod are arranged in opposite directions.

Preferably, the internal gear and the external gear are in clamping connection, and the axis of the external gear is overlapped with the axis of the threaded rod.

Preferably, the number of the first springs is 2, and the moving plate and the inner gear are integrally welded.

Preferably, the number of the first pressing rods is 2, which are symmetrically arranged about the center line of the second supporting rod, and the second supporting rods are distributed on the end surface of the side plate at equal intervals.

The utility model discloses following beneficial effect has:

1. when the quantity of cable is more, the user need adjust the size of crane span structure, utilize the handle pulling movable plate, the inboard fixed internal gear of movable plate breaks away from with the terminal side fixed external gear of threaded rod, rotate the knob this moment, the knob area threaded rod takes the rotation, because curb plate and threaded rod are threaded connection, the curb plate takes place to remove, make the space grow between the curb plate, be convenient for place more cables, improve equipment's practicality, after the curb plate moves the assigned position, the release handle, the movable plate resets under a spring action, the internal gear is with the external gear chucking, and then make the threaded rod fixed.

2. The terminal surface of curb plate sets up a plurality of second bracing pieces, the second spring is installed in the outside of second bracing piece, when the cable in the curb plate strikes the curb plate, the second spring can play certain cushioning effect, reduce the risk of curb plate damage, first fixed block is installed to the bottom of second bracing piece, first stripper bar is installed to the inboard of first fixed block, the second stripper bar is installed at the curb plate inboard through the second fixed block, first stripper bar and second stripper bar pass through the third spring and the second telescopic link is connected, when the second bracing piece receives cable extrusion's effort downwards, through first stripper bar, the second stripper bar, the mating reaction of third spring and second telescopic link, avoid the second bracing piece to take place to damage.

Drawings

Fig. 1 is a schematic front view of a stepped large-span high-strength cable bridge structure according to the present invention;

fig. 2 is a schematic top view of a stepped large-span high-strength cable bridge structure according to the present invention;

fig. 3 is a schematic side view of a stepped large-span high-strength cable bridge structure according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1;

FIG. 5 is an enlarged view of the structure at B in FIG. 2;

FIG. 6 is an enlarged view of the structure at C in FIG. 3;

fig. 7 is a schematic view of a connection structure of an internal gear and a threaded rod of a stepped large-span high-strength cable bridge structure according to the present invention;

in the figure: 1. a side plate; 2. a first support bar; 3. a threaded rod; 4. a knob; 5. an outer gear; 6. an internal gear; 7. moving the plate; 8. a handle; 9. a first telescopic rod; 10. a first spring; 11. a second support bar; 12. a second spring; 13. a first fixed block; 14. a first extrusion stem; 15. a second telescopic rod; 16. a third spring; 17. a second extrusion stem; 18. and a second fixed block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 7, a stepped large-span high-strength cable bridge structure includes a side plate 1 and a second support rod 11, a first support rod 2 is disposed on an end surface of the side plate 1, a threaded rod 3 is mounted on an inner wall of the first support rod 2, a knob 4 is fixed to an end side of the threaded rod 3, an external gear 5 is mounted on an outer side of the threaded rod 3, an internal gear 6 is disposed on a side of the external gear 5, a moving plate 7 is fixed to an outer side of the internal gear 6, a handle 8 is mounted in a middle position of the moving plate 7, a first telescopic rod 9 is fixed to an inner side of the moving plate 7, a first spring 10 is mounted to an outer side of the first telescopic rod 9, a second support rod 11 is disposed on an end surface of the side plate 1, a second spring 12 is mounted to an outer side of the second support rod 11, a first fixing block 13 is fixed to an intermediate position of the second support rod 11, a first extruding rod 14 is mounted to an inner side of the first fixing block 13, a second telescopic rod 15 is fixed to an end side of the first extruding rod 14, a third spring 16 is mounted to an outer side of the second telescopic rod 15, a second extruding rod 17 is connected to an end of the third spring 16, and a bottom of the second fixing block 17 is mounted to a second extruding rod 18.

Curb plate 1 and threaded rod 3 are threaded connection, and curb plate 1 and first bracing piece 2 constitute the slidable mounting structure through threaded rod 3, and curb plate 1 slides behind the assigned position, and the interval grow between the curb plate 1 is convenient for place more cables, improve equipment's result of use.

Threaded rod 3 passes through knob 4 with first bracing piece 2 and constitutes and rotate the mounting structure, and the screw thread on 3 both sides of threaded rod is opposite direction and sets up, and when threaded rod 3 rotated, the opposite direction that curb plate 1 removed is convenient for enlarge the interval between the curb plate 1.

The internal gear 6 is connected for the block with the external gear 5, and the axis of external gear 5 and the axis coincidence of threaded rod 3 fix external gear 5 through internal gear 6, are convenient for restrict threaded rod 3's rotation, reduce the operation degree of difficulty of equipment.

First spring 10 is provided with 2 respectively symmetrically about the horizontal central line and the perpendicular central line of movable plate 7, and movable plate 7 and internal gear 6 adopt welding integration to set up, through setting up a plurality of springs, and the movable plate 7 of being convenient for moves steadily, and improve equipment's stability, movable plate 7 and internal gear 6 adopt welding integration to set up and avoid internal gear 6 to take place to drop.

First extrusion pole 14 is provided with 2 about the central line symmetry of second bracing piece 11, and the equidistant distribution of second bracing piece 11 is at the terminal surface of curb plate 1, through setting up a plurality of second bracing pieces 11, is convenient for increase the support intensity of crane span structure, reduces the risk of crane span structure damage.

The utility model discloses in, a large amount when the cable, the user need adjust the size of crane span structure, utilize 8 pulling movable plates 7 of handle, 7 inboard fixed internal gears 6 of movable plate break away from with 3 distolateral fixed external gear 5 of threaded rod, rotate knob 4 this moment, knob 4 area threaded rod 3 takes place to rotate, because curb plate 1 and threaded rod 3 are threaded connection, 1 emergence of curb plate is removed, make the space grow between the curb plate 1, be convenient for place more cables, improve equipment's practicality, after 1 removal assigned position of curb plate, release handle 8, movable plate 7 resets under the effect of first spring 10, internal gear 6 is with 5 chucking of external gear, and then make threaded rod 3 fixed.

The terminal surface of curb plate 1 sets up a plurality of second bracing pieces 11, second spring 12 is installed in the outside of second bracing piece 11, when the cable in curb plate 1 strikes curb plate 1, second spring 12 can play certain cushioning effect, reduce the risk that curb plate 1 damaged, first fixed block 13 is installed to the bottom of second bracing piece 11, first pushing ram 14 is installed to the inboard of first fixed block 13, second pushing ram 17 is installed in curb plate 1 inboard through second fixed block 18, first pushing ram 14 and second pushing ram 17 are connected through third spring 16 and second telescopic link 15, when second bracing piece 11 receives the downward extruded effort of cable, through first pushing ram 14, second pushing ram 17, the mating reaction of third spring 16 and second telescopic link 15, avoid second bracing piece 11 to take place the damage.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a ladder-type large-span high strength cable testing bridge structure, includes curb plate (1) and second bracing piece (11), its characterized in that, the terminal surface of curb plate (1) is provided with first bracing piece (2), and threaded rod (3) are installed to the inner wall of first bracing piece (2) to the distolateral side of threaded rod (3) is fixed with knob (4), external gear (5) are installed in the outside of threaded rod (3), and the avris of external gear (5) is provided with internal gear (6), and the outside of internal gear (6) is fixed with movable plate (7), handle (8) are installed to the intermediate position of movable plate (7), and the inboard of movable plate (7) is fixed with first telescopic link (9), and first spring (10) is installed in the outside of first telescopic link (9), second bracing piece (11) set up in the terminal surface of curb plate (1), and the outside of second bracing piece (11) is installed second spring (12), and the intermediate position of second bracing piece (11) is fixed with first fixed block (13), first fixed block (13) is installed to the inboard of first fixed block (13), and extrusion stem (14) of first bracing piece (14) and extrusion stem (15) are installed in the outside of second spring (15), and extrusion stem (16) are connected with the third telescopic stem (16) of extrusion stem (16), and a second fixed block (18) is arranged at the bottom of the second extrusion rod (17).

2. The stepped large-span high-strength cable bridge structure according to claim 1, wherein the side plates (1) are in threaded connection with the threaded rods (3), and the side plates (1) and the first supporting rods (2) form a sliding installation structure through the threaded rods (3).

3. The stepped large-span high-strength cable bridge structure as claimed in claim 1, wherein the threaded rod (3) and the first support rod (2) form a rotary mounting structure through a knob (4), and the threads on both sides of the threaded rod (3) are oppositely arranged.

4. The stepped large-span high-strength cable bridge structure according to claim 1, wherein the internal gear (6) and the external gear (5) are in snap-fit connection, and the axis of the external gear (5) coincides with the axis of the threaded rod (3).

5. The stepped large-span high-strength cable tray structure as claimed in claim 1, wherein the number of the first springs (10) is 2 symmetrically arranged with respect to a horizontal center line and a vertical center line of the moving plate (7), and the moving plate (7) and the internal gear (6) are integrally welded.

6. The stepped large-span high-strength cable tray structure as claimed in claim 1, wherein the number of the first extrusion rods (14) is 2 symmetrically arranged about the center line of the second support rod (11), and the second support rods (11) are distributed on the end face of the side plate (1) at equal intervals.