CN115142352A - A suspension bridge cable-stayed construction platform - Google Patents

Abstract

The invention provides a cable-stayed construction platform for a suspension bridge, comprising two support beams for erecting on a bridge body, a rack bar is erected and installed between the two support beams, and a first hook structure is fixed at the bottom of the support beam A second hook structure is installed at the end of the support beam away from the first hook structure, the second hook structure can be turned over to the top surface of the support beam after adjustment, and the second hook structure can be adjusted along the support beam. It moves in the length direction and is locked by bolts, and the second hook structure is moved to the bridge body; the first hook structure and the second hook structure are provided with locking mechanisms, and the locking mechanisms can be adjusted to reach the bridge body. Hold the bridge body to form a lock; its novel structure can realize the double cooperation of bolt connection and clamping support, effectively strengthen the support strength and improve the safety of construction operations.

Description

A suspension bridge cable-stayed construction platform

technical field

The invention relates to the field of cable-stayed construction, and more particularly, to a construction platform for cable-stayed cables of a suspension bridge.

Background technique

During the construction of the suspension bridge, the most important thing is the installation of the stay cables. After the stay cables are installed and connected, they need to be adjusted for tightness. The operation is complicated and time-consuming. Therefore, it is necessary to install a construction platform on the bridge body. facilitate construction;

However, most of the current construction platforms are constructed by channel steel, and most of them are only fixed by means of bolts. The force mainly acts on the bolts, the support strength is relatively limited, and there are potential safety hazards, so it needs to be improved.

SUMMARY OF THE INVENTION

In order to overcome the defects of the prior art, the technical problem to be solved by the present invention is to provide a suspension bridge cable-stayed construction platform, which has a novel structure, can realize the double cooperation of bolt connection and clamping support, effectively strengthen the support strength, and improve the construction operation. safety.

For this purpose, the present invention adopts following technical scheme:

The invention provides a cable-stayed construction platform for a suspension bridge, which comprises two support beams for erecting on a bridge body, a rack bar is erected and installed between the two support beams, and a first hook structure is fixed at the bottom of the support beam A second hook structure is installed at the end of the support beam away from the first hook structure, the second hook structure can be adjusted to be turned over to the top surface of the support beam, and the second hook structure can be adjusted to follow the direction of the support beam. It moves in the length direction and is locked by bolts, and the second hook structure moves to the bridge body; both the first hook structure and the second hook structure are provided with a locking mechanism, and the locking mechanism can be adjusted after adjustment. Hold the bridge to form a lock.

In a preferred technical solution of the present invention, the second hook structure includes a second L-shaped frame, a limit post, and an insertion post, and the limit post vertically fixes the top sidewall of the second L-shaped frame and is located in the second L-shaped frame. One side of the hook part of the frame; the insert column is a cylindrical structure, the limit column is a square column structure, and the insert column is fixed on the end face of the limit column; the end of the support beam is provided with a limit slot, and the bottom of the limit slot is provided with There are jacks, the shape of the jack is adapted to the shape of the post, and the shape of the limit post is adapted to the shape of the limit slot. When the limit post is pulled out of the limit slot, the second L-shaped frame can wrap around the post. The axis rotates and swings, and the second L-shaped frame cannot rotate when the limit column is inserted into the limit slot; and when the limit column is inserted into the limit slot, it can be fixed by bolts; the locking mechanism is installed on the second L-shaped frame. The hook of the L-shaped frame.

In a preferred technical solution of the present invention, the locking mechanism includes a screw rod, a head fixed at the bottom end of the screw rod, and a pusher installed at the top end of the screw rod; the hooks of the first hook structure and the second hook structure are both A second threaded hole is provided, the screw rod is threadedly connected and matched with the second threaded hole, and penetrates the hook portion through the second threaded hole;

In a preferred technical solution of the present invention, the pushing member includes a support plate, a pressure plate, and a limit plate, a circular sinking groove is opened in the middle of the top surface of the support plate, and a through hole is opened at the bottom of the sinking groove, The diameter is adapted to the outer diameter of the screw, and the screw is movable through the through hole; the shape of the limit plate is adapted to the shape of the sink, the top of the screw is fixedly welded to the middle of the bottom surface of the limit plate; the pressure plate is fixed on the top surface of the support plate by screws , so that the limit plate is rotated and stuck in the sink.

In a preferred technical solution of the present invention, the first hook structure is an L-shaped frame structure, the hook portion is bent to one side of the center of the support beam, and the locking mechanism is installed at the hook portion.

In a preferred technical solution of the present invention, extension plates are fixed at the bottoms of both side walls of the support beam, a plurality of second through holes are formed on the extension plate, and the second through holes are evenly spaced along the length direction of the extension plate; the support beam It is fixed to the bridge body by bolts through the extension plate.

In a preferred technical solution of the present invention, the two side walls of the supporting beams are provided with clamping grooves, the clamping grooves between the two supporting beams are correspondingly arranged, and the ends of the frame bars are fixed with clamping blocks corresponding to the clamping grooves. The shape is adapted to the shape of the clamping slot, and the clamping block is clamped in the clamping slot and reinforced by bolts.

The beneficial effects of the present invention are:

The invention provides a cable-stayed construction platform for a suspension bridge, which has a novel structure and includes a support beam and a frame bar used for connecting the support beam. The bottom is fixed with a first hook structure, and the end of the support beam is installed with a second hook structure. The first hook structure and the second hook structure can be hooked to each other with the bridge body, so that part of the support beam is subjected to force. Dispersed, it can realize the double cooperation of bolt connection and clamping support, effectively strengthen the support strength and improve the safety of construction operations;

Among them, the second hook structure can be rotated and telescopically adjusted. During hoisting, the second hook structure can be positioned above the support beam, so that the support beam can be pressed against the top surface of the bridge body, so as to adjust the first hook structure Cooperation with the bridge body; when the support beam is installed, the first hook structure can be clamped with the bridge body first, and then the second hook structure can be adjusted so that the second hook structure can be clamped with the bridge body. The first hook structure and the second hook structure are connected with the bridge body, and the installation and construction are more convenient;

In addition, the first hook structure and the second hook structure are provided with a locking mechanism. After the locking mechanism is adjusted, it can abut against the bridge body to form a lock, which can further support the connection between the beam and the bridge body, thereby improving construction. The overall stability of the platform.

Description of drawings

Fig. 1 is the use schematic diagram of a kind of suspension bridge cable-stayed construction platform provided in the specific embodiment of the present invention;

2 is a top view of a suspension bridge stay cable construction platform provided in a specific embodiment of the present invention;

3 is a schematic diagram of hanging and placing a support beam and a second hook structure provided in a specific embodiment of the present invention;

FIG. 4 is a cross-sectional view of the matching structure of the support beam and the second hook structure provided in a specific embodiment of the present invention.

100, support beam; 110, limit slot; 120, jack; 130, extension plate; 140, card slot; 150, first perforation;

200, rack; 210, block;

300, bridge body; 400, first hook structure; 500, second hook structure; 510, second L-shaped frame; 520, limit post; 521, first threaded hole; 530, plug;

600, locking mechanism; 610, screw rod; 620, head; 630, pusher; 631, support plate; 632, pressure plate; 633, limit plate.

Detailed ways

The technical solutions of the present invention are further described below with reference to the accompanying drawings and through specific embodiments.

As shown in FIG. 1 to FIG. 4 , a specific embodiment of the present invention discloses a cable-stayed construction platform for a suspension bridge, which includes two support beams 100 for erecting on the bridge body 300 , and the joints are fixed by bolts A frame bar 200 is erected between the two support beams 100 , a first hook structure 400 is fixed at the bottom of the support beam 100 , and a second hook structure 500 is installed at the end of the support beam 100 away from the first hook structure 400 , the second hook structure 500 can be adjusted to be flipped over the top surface of the support beam 100, and the second hook structure 500 can be adjusted to move along the length direction of the support beam 100 and be locked by bolts. The structure 500 is moved to be stuck on the bridge;

The first hook structure 400 and the second hook structure 500 are both provided with a locking mechanism 600. After the locking mechanism 600 is adjusted, it can abut against the bridge body to form a lock; the end of the support beam away from the second hook structure faces outwards Extend to the overhead state, so as to leave enough operating space for the installation and installation of the cable, and then install and adjust the cable.

The above-mentioned cable-stayed construction platform for a suspension bridge has a novel structure and includes a support beam and a frame bar for connecting the support beam. The support beam is erected and installed on the bridge body, and the joint is fixed by bolts; A first hook structure is provided, and a second hook structure is installed at the end of the support beam. The first hook structure and the second hook structure can be connected with the bridge body to disperse part of the force of the support beam. It can realize the double cooperation of bolt connection and clamping support, which can effectively strengthen the support strength. Even if force is applied on the overhead end of the support beam, it can also provide stable support and improve the safety of construction operations;

Among them, the second hook structure can be rotated and telescopically adjusted. During hoisting, the second hook structure can be positioned above the support beam, so that the support beam can be pressed against the top surface of the bridge body, so as to adjust the first hook structure Cooperation with the bridge body; when the support beam is installed, the first hook structure can be clamped with the bridge body first, and then the second hook structure can be adjusted so that the second hook structure can be clamped with the bridge body. The first hook structure and the second hook structure are connected with the bridge body, and the installation and construction are more convenient;

In addition, the first hook structure and the second hook structure are provided with a locking mechanism. After the locking mechanism is adjusted, it can abut against the bridge body to form a lock, which can further support the connection between the beam and the bridge body, thereby improving construction. The overall stability of the platform.

It should be noted that the top surface of the support beam and the frame can also be equipped with a protective net to further improve the safety.

Further, the second hook structure 500 includes a second L-shaped frame 510 , a limit post 520 , and an insertion post 530 . The limit post 520 vertically fixes the top sidewall of the second L-shaped frame 510 and is located in the second L-shaped frame. One side of the hook portion of 510; the post 530 is a cylindrical structure, the limiting post 520 is a square post structure, and the post 530 is fixed on the end face of the limiting post 520; An insertion hole 120 is provided at the bottom of the slot 110 , the shape of the insertion hole 120 is adapted to the shape of the insertion post 530 , the shape of the limit post 520 is adapted to the shape of the restriction slot 110 , and the restriction post 520 is pulled away from the limit When the slot 110 is used, the second L-shaped frame 510 can rotate and swing around the axis of the post 530. When the limiting post 520 is inserted into the limiting slot 110, the second L-shaped frame cannot rotate; When the limit slot 110 is inside, it can be fixed by bolts; in this structural design, the position of the second L-shaped frame can be locked through the cooperation of the limit column and the limit slot, so that the second L-shaped frame can swing to the preset position. After that, it cannot be rotated, which is convenient for the alignment of installation holes and the installation of bolts; and the cooperation of the post and the socket can provide a fulcrum for rotation. When inserted into the socket, the second L-shaped frame can be rotated around the axis of the plunger; the locking mechanism 600 is installed at the hook portion of the second L-shaped frame 510 .

Further, the top surface of the limiting slot 110 is provided with a first through hole 150 , the first through hole is a strip-shaped hole structure, and the first through hole extends along the length direction of the limiting slot; the limiting column 520 is provided with a first threaded hole 521 , the first threaded hole runs through the limit column, and the axis of the first threaded hole is perpendicular to the hook of the second L-shaped frame; this structural design can install and reinforce the limit column after being adjusted in place with bolts to prevent the limit column from being damaged. Disengagement also prevents the change of the position of the second L-shaped frame.

Further, the number of the first threaded holes is 2, which can facilitate the alignment of the first threaded holes and the first through holes. If it can be fixed by two bolts, it can be fixed by two bolts to strengthen the connection.

Further, the edge of the port of the limit slot and the edge of the port of the first jack are provided with chamfers, which can facilitate the insertion of the post into the jack, and the insertion of the limit post into the limit slot to facilitate adjustment operations.

Further, the second L-shaped frame, the limiting post and the insert post are integrally formed, which can ensure the structural strength of the second hook structure itself and prevent it from being easily bent or damaged.

Further, the locking mechanism 600 includes a screw 610 , a head 620 fixed at the bottom end of the screw 610 , and a pushing member 630 installed at the top of the screw 610 ; the hooks of the first hook structure 400 and the second hook structure 500 Both are provided with a second threaded hole, the screw 610 is threadedly connected to the second threaded hole, and penetrates the hook through the second threaded hole; ; When the screw rotates, the lifting movement can be realized, and the pushing member does not rotate with the screw, so as to realize the change of the position distance between the pushing member and the bridge body. The connection and cooperation can achieve stable clamping cooperation; further, the head is a prismatic cylinder structure, which is convenient for use with tools, so as to perform stable tightening and clamping; it should be noted that the cooperation between the screw and the head can be By customizing the bolt structure, the side wall of the end of the screw away from the head is smooth, which is convenient for installation and cooperation with the pusher.

Further, the pushing member 630 includes a support plate 631, a pressure plate 632, and a limit plate 633. A circular sink groove is formed in the middle of the top surface of the support plate 631, and a through hole is opened at the bottom of the sink groove. The outer diameter of the screw rod 610 is adapted, and the screw rod moves through the through hole; the shape of the limit plate 633 is adapted to the shape of the sink, the top of the screw rod 610 is fixedly welded to the middle of the bottom surface of the limit plate 633; the pressing plate 632 is fixed on the support plate by screws The top surface of 631 makes the limit plate rotate and lock in the sink, which can realize the rotation and cooperation, and can also effectively prevent the pusher from detaching from the screw; However, the end of the screw penetrates the support plate, then the limit plate is welded on the screw, and finally the pressure plate is installed; further, the bottom surface of the limit plate is fixed with a bump, and the top surface of the screw is recessed with a slot, The bump is a prismatic structure, the shape of the bump matches the shape of the slot, the bump is stuck in the slot, and the limit plate is welded and fixed on the top surface of the screw, which can ensure the accurate installation position of the limit plate, so that the A rotation fit is formed between the limit plate and the sink.

Further, the first hook structure 400 is an L-shaped frame structure, and the hook portion is bent to one side of the center of the support beam 100, and the locking mechanism 600 is installed at the hook portion; the first hook structure and the support beam are integrally formed The structure is welded and reinforced at the joint, which can effectively ensure the connection between the first hook structure and the support beam, and ensure the force of the first hook structure, so as to carry out stable construction support.

Further, extension plates 130 are fixed at the bottoms of both side walls of the support beam 100, and a plurality of second through holes are formed on the extension plate, and the second through holes are evenly spaced along the length direction of the extension plate; Bolts are fixed on the bridge body to provide basic connection and installation to further prevent the support beam from deviating.

Further, the two side walls of the support beam 100 are provided with clamping grooves 140, the clamping grooves between the two supporting beams are correspondingly arranged, and the end of the frame bar 200 is fixed with a clamping block 210 corresponding to the clamping groove. The shape of the card slot 140 is adapted, and the card block is clamped in the card slot and reinforced by bolts; the card slot is a T-slot structure or a dovetail groove structure, and the shape of the card block is adapted to the shape of the card slot, which can effectively limit The distance between the two supporting beams prevents the two supporting beams from loosening easily and effectively strengthens the connection between the two supporting beams.

Further, there are at least two rack bars, at least one rack bar is erected and installed in the middle of the two support beams, and the other rack bar is erected and installed at the end positions of the overhead ends of the two support beams to further strengthen the connection between the two support beams. , to ensure the support strength.

The present invention has been described in terms of preferred embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited by the specific embodiments disclosed herein, and other embodiments falling within the claims of the present application all belong to the protection scope of the present invention.

Claims (7)

1. The utility model provides a suspension bridge suspension cable construction platform which characterized in that:

the bridge comprises two supporting beams and a bridge body, wherein the supporting beams are erected on the bridge body, a frame strip is erected between the two supporting beams, a first clamping hook structure is fixedly arranged at the bottom of each supporting beam, a second clamping hook structure is arranged at the end, far away from the first clamping hook structure, of each supporting beam, the second clamping hook structure can be turned over to the position above the top surface of each supporting beam through adjustment, the second clamping hook structure can move along the length direction of the supporting beams through adjustment and can be locked through bolts, and the second clamping hook structure moves to be clamped on the bridge body;

the first hook structure and the second hook structure are both provided with locking mechanisms, and the locking mechanisms can abut against the bridge body after being adjusted to form locking.

2. The suspension bridge stayed cable construction platform according to claim 1, characterized in that:

the second clamping hook structure comprises a second L-shaped frame, a limiting column and an inserting column, wherein the limiting column is vertically fixed on the side wall of the top of the second L-shaped frame and is positioned on one side of the hook part of the second L-shaped frame; the inserted column is of a cylindrical structure, the limiting column is of a square column structure, and the inserted column is fixedly arranged on the end face of the limiting column;

the end part of the supporting beam is provided with a limiting groove, the groove bottom of the limiting groove is provided with an insertion hole, the shape of the insertion hole is matched with that of the inserted column, the shape of the limiting column is matched with that of the limiting groove, when the limiting column is pulled out of the limiting groove, the second L-shaped frame can rotate and swing around the axis of the inserted column, and when the limiting column is inserted into the limiting groove, the second L-shaped frame cannot rotate; when the limiting column is inserted into the limiting groove, the limiting column can be fixed through the bolt;

the locking mechanism is arranged at the hook part of the second L-shaped frame.

3. The suspension bridge stay cable construction platform of claim 2, wherein:

the locking mechanism comprises a screw rod, a head part fixedly arranged at the bottom end of the screw rod and a pushing and pressing piece arranged at the top end of the screw rod;

the hook parts of the first hook structure and the second hook structure are respectively provided with a second threaded hole, and the screw rod is in threaded connection and matching with the second threaded hole and penetrates through the hook parts through the second threaded holes;

the pushing and pressing part is movably matched with the screw rod, and the pushing and pressing part moves up and down along with the screw rod.

4. The suspension bridge stayed cable construction platform according to claim 3, characterized in that:

the pushing and pressing piece comprises a supporting plate, a pressing plate and a limiting plate, wherein a circular sinking groove is formed in the middle of the top surface of the supporting plate, a through hole is formed in the bottom of the sinking groove, the diameter of the through hole is matched with the outer diameter of the screw, and the screw movably penetrates through the through hole; the shape of the limiting plate is matched with that of the sinking groove, and the top end of the screw rod is fixedly welded with the middle part of the bottom surface of the limiting plate;

the pressing plate is fixed on the top surface of the supporting plate through a screw, so that the limiting plate is rotationally clamped in the sinking groove.

5. The suspension bridge stay cable construction platform of claim 2, wherein:

the first clamping hook structure is an L-shaped frame structure, the hook part is bent towards one side of the center of the supporting beam, and the locking mechanism is installed at the hook part.

6. The suspension bridge stay cable construction platform of claim 1, wherein:

the bottom parts of the two side walls of the supporting beam are fixedly provided with extension plates, a plurality of second through holes are formed in the extension plates, and the second through holes are uniformly arranged at intervals along the length direction of the extension plates; the support beam is fixedly mounted on the bridge body through bolts penetrating through the extension plate.

7. The suspension bridge stay cable construction platform of claim 1, wherein:

clamping grooves are formed in two side walls of each supporting beam, the clamping grooves between the two supporting beams are correspondingly arranged, clamping blocks are fixedly arranged at the end portions of the frame strips corresponding to the clamping grooves, the clamping blocks are adaptive to the clamping grooves in shape, and the clamping blocks are clamped in the clamping grooves and are reinforced through bolts.

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