CN218521628U - Detachable arm brace of suspension cable stretch-draw - Google Patents

Abstract

The utility model relates to a bridge construction technical field just discloses detachable spike of suspension cable stretch-draw, including bottom plate, roof and jack, internal thread blind hole, every have all been seted up to four corners of the upper surface of bottom plate the equal screw thread in inside of internal thread blind hole has cup jointed the bolt, every the upper end of bolt is all through the first inserted bar of bracing piece fixedly connected with, first slot has all been seted up to four corners in the bottom of roof, every first inserted bar is pegged graft with the first slot activity that corresponds respectively, the jack sets up in the upside of roof, the through-hole has been seted up to the inside of roof, be provided with auxiliary stay mechanism between roof and the bottom plate. The utility model discloses greatly reduced the problem of difficulty is transported to the interior heel brace of tower, improved the efficiency of construction.

Description

Detachable arm brace of suspension cable stretch-draw

Technical Field

The utility model relates to a bridge construction technical field especially relates to detachable spike of suspension cable stretch-draw.

Background

The full length of the flower grand bridge is 1260m, wherein the main bridge is a steel-concrete superposed beam cable-stayed bridge, the main tower is a diamond type bridge tower, the height reaches 265m, and the total bridge length is 24nm +528+ 24nm =1018m. The full bridge counts 168 stay cables, the stay cables are firstly installed at the tower end (the stay cables are not installed in place at the moment), then the beam end is installed, and finally the stay cables are tensioned in place at the tower end.

This project suspension cable maximum tension is 473t, chooses 650t jack for use during on-the-spot tower end stretch-draw, because of the connecting rod that needs during stretch-draw, has the existence of anchor cup in addition, can't directly adopt the jack to stretch-draw, consequently need adopt the spike to prop up the jack and put up and stretch-draw when stretch-draw, traditional spike is whole casting, can't disassemble, the spike need be installed with the help of special hoisting equipment, the space in the tower is less, the installation is difficult, the turnover is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of difficulty in transferring the stay foot in the tower in the prior art, and the detachable stay foot of stay cable stretch-draw provided.

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

detachable spike of suspension cable stretch-draw, including bottom plate, roof and jack, internal thread blind hole, every have all been seted up to four corners of upper surface of bottom plate the equal screw thread in inside of internal thread blind hole has cup jointed the bolt, every the upper end of bolt all is through the first inserted bar of bracing piece fixedly connected with, first slot, every have all been seted up to four corners in bottom of roof first inserted bar is pegged graft with the activity of the first slot that corresponds respectively, the jack sets up in the upside of roof, the through-hole has been seted up to the inside of roof, be provided with supplementary supporting mechanism between roof and the bottom plate.

Preferably, the auxiliary supporting mechanism includes the backup pad, the upside of backup pad is rotated and is connected with the dead lever, the box is placed to the upper end fixedly connected with of dead lever, the inside of placing the box is rotated and is connected with a plurality of bull sticks, every the pole wall of bull stick all fixed the cup joint has the backing roll, the bottom of backup pad is connected with elevating system.

Preferably, elevating system is including placing board, lead screw and internal thread pipe, the lead screw rotates to be connected in the upside of placing the board, internal thread pipe fixed connection in the bottom of backup pad and cup joint with the pole wall screw thread of lead screw, two actuating levers of the pole wall symmetry fixedly connected with of lead screw.

Preferably, the four corners of the bottom of the placing plate are fixedly connected with second insertion rods, the upper surface of the bottom plate is provided with four second slots, and each second insertion rod is movably inserted into the corresponding second slot.

Preferably, the upper surface of the placing plate is symmetrically and fixedly connected with two telescopic rods fixedly connected with the supporting plate.

Preferably, the bottom of the placing box is symmetrically and fixedly connected with two universal wheels, and the two universal wheels are rotatably connected with the surface of the supporting plate.

Compared with the prior art, the utility model provides a detachable spike of suspension cable stretch-draw possesses following beneficial effect:

1. this detachable spike of suspension cable stretch-draw can independently transport its each part through carrying out detachable design with whole device to the problem of the difficulty is transported to spike in can the greatly reduced tower, has improved the efficiency of construction.

2. This detachable spike of suspension cable stretch-draw through the supporting mechanism and the elevating system who sets up, can utilize a plurality of backing rolls to reduce the frictional force of jack bottom placing the in-process of jack to be convenient for remove the jack to the upside central point of roof and put.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses greatly reduced the problem of difficulty is transported to the inner supporting leg of tower, improved the efficiency of construction.

Drawings

Fig. 1 is a schematic structural view of a detachable brace for tensioning a stay cable according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a base plate 1, a top plate 2, a jack 3, a bolt 4, a support rod 5, a first insertion rod 6, a support plate 7, a fixing rod 8, a box for placing 9, a rotating rod 10, a support roller 11, a placing plate 12, a screw rod 13, a threaded pipe 14, a driving rod 15, a second insertion rod 16, a telescopic rod 17 and a universal wheel 18.

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 should 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 orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element 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. 1-2, detachable spike of suspension cable stretch-draw, comprising a base plate 1, roof 2 and jack 3, internal thread blind hole has all been seted up to four corners of the upper surface of bottom plate 1, the equal screw thread in inside of every internal thread blind hole has cup jointed bolt 4, the first inserted bar 6 of 5 fixedly connected with of bracing piece is all passed through to the upper end of every bolt 4, first slot has all been seted up to four corners in bottom of roof 2, every first inserted bar 6 is pegged graft with the first slot activity that corresponds respectively, jack 3 sets up in the upside of roof 2, the through-hole has been seted up to the inside of roof 2

Referring to fig. 1-2, be provided with auxiliary stay mechanism between roof 2 and bottom plate 1, auxiliary stay mechanism includes backup pad 7, the upside of backup pad 7 is rotated and is connected with dead lever 8, the upper end fixedly connected with of dead lever 8 places box 9, the inside of placing box 9 is rotated and is connected with a plurality of bull sticks 10, the pole wall of every bull stick 10 has all fixedly cup jointed backing roll 11, utilize a plurality of backing rolls 11 that set up, can effectively reduce the frictional force of jack 3 bottom, be convenient for adjust the position of jack 3.

Referring to fig. 1, the bottom of backup pad 7 is connected with elevating system, elevating system is including placing board 12, lead screw 13 and internal thread pipe 14, lead screw 13 rotates to be connected in the upside of placing board 12, internal thread pipe 14 fixed connection in the bottom of backup pad 7 and cup joint with the pole wall screw of lead screw 13, two actuating levers 15 of the pole wall symmetry fixedly connected with of lead screw 13, utilize two actuating levers 15 that set up, can be convenient for drive lead screw 13, thereby realize the operation to elevating system.

Referring to fig. 1, four corners of the bottom of board 12 are fixedly connected with second insertion rods 16, four second slots are formed in the upper surface of bottom plate 1, each second insertion rod 16 is movably inserted into the corresponding second slot, the position of board 12 is fixed by inserting each second insertion rod 16 into the corresponding second slot, and the position of board 12 is prevented from being shifted.

Referring to fig. 1, the upper surface of the placing plate 12 is symmetrically and fixedly connected with two telescopic rods 17 fixedly connected with the supporting plate 7, the supporting plate 7 can be limited by the aid of the arranged telescopic rods 17, and the lead screw 13 is prevented from rotating in the process of driving the internal thread pipe 14 to rotate.

Referring to fig. 1, the bottom of the placing box 9 is symmetrically and fixedly connected with two universal wheels 18, the two universal wheels 18 are both connected with the surface of the supporting plate 7 in a rotating mode, the placing box 9 can be supported in an auxiliary mode by the aid of the two universal wheels 18, and friction between the placing box 9 and the supporting plate 7 is reduced.

The utility model discloses in, during the use, insert the inside of corresponding internal thread blind hole respectively with the screw rod of every bracing piece 5 bottom after fixed bottom plate 1, peg graft roof 2 and four bracing pieces 5 after 5 installations to four bracing pieces, peg graft after will placing four second inserted bars 16 and the second slot that corresponds of board 12 bottom, rotate two actuating levers 15, two actuating levers 15 drive lead screw 13 and rotate, lead screw 13 pivoted while is through the spacing drive backup pad 7 upward movement of two telescopic links 17, backup pad 7 drives and places box 9 upward movement, make and place box 9 and remove the top to roof 2, place jack 3 in the surface of placing a plurality of backing rolls 11 of box 9 inside and adjust the position of jack 3 to the central point of roof 2 and put, two actuating levers 15 of reverse rotation, make and place box 9 and remove the below to roof 2, thereby can place jack 3 in the upper surface of roof 2, guarantee jack 3's normal use.

The above, only be the concrete implementation of the preferred embodiment 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, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. Detachable spike of suspension cable stretch-draw, including bottom plate (1), roof (2) and jack (3), its characterized in that, internal thread blind hole, every have all been seted up to four corners of the upper surface of bottom plate (1) the equal screw thread in inside of internal thread blind hole has cup jointed bolt (4), every the upper end of bolt (4) all is through the first inserted bar (6) of bracing piece (5) fixedly connected with, first slot has all been seted up to four corners in bottom of roof (2), every first inserted bar (6) are pegged graft with the activity of the first slot that corresponds respectively, jack (3) set up in the upside of roof (2), the through-hole has been seted up to the inside of roof (2), be provided with supplementary supporting mechanism between roof (2) and bottom plate (1).

2. The detachable stay cable tensioning brace according to claim 1, wherein the auxiliary supporting mechanism comprises a supporting plate (7), a fixing rod (8) is rotatably connected to the upper side of the supporting plate (7), a placing box (9) is fixedly connected to the upper end of the fixing rod (8), a plurality of rotating rods (10) are rotatably connected to the inside of the placing box (9), a supporting roller (11) is fixedly sleeved on the rod wall of each rotating rod (10), and a lifting mechanism is connected to the bottom of the supporting plate (7).

3. The detachable stay cable tensioning brace according to claim 2, wherein the lifting mechanism comprises a placing plate (12), a screw rod (13) and an internal thread tube (14), the screw rod (13) is rotatably connected to the upper side of the placing plate (12), the internal thread tube (14) is fixedly connected to the bottom of the supporting plate (7) and is in threaded socket connection with the rod wall of the screw rod (13), and the rod wall of the screw rod (13) is symmetrically and fixedly connected with two driving rods (15).

4. The detachable stay cable tensioning supporting foot according to claim 3, wherein the bottom four corners of the placing plate (12) are fixedly connected with second insertion rods (16), the upper surface of the bottom plate (1) is provided with four second insertion slots, and each second insertion rod (16) is movably inserted into the corresponding second insertion slot.

5. A stay cable tension detachable brace according to claim 3, wherein the upper surface of the placing plate (12) is symmetrically and fixedly connected with two telescopic rods (17) fixedly connected with the supporting plate (7).

6. The detachable stay for stayed cables according to claim 2, characterized in that the bottom of said placing box (9) is symmetrically and fixedly connected with two universal wheels (18), and both of said universal wheels (18) are rotatably connected with the surface of the supporting plate (7).

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