CN218090537U - Catwalk side-span transverse overpass in-situ hoisting system - Google Patents

Catwalk side-span transverse overpass in-situ hoisting system Download PDF

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Publication number
CN218090537U
CN218090537U CN202222068576.4U CN202222068576U CN218090537U CN 218090537 U CN218090537 U CN 218090537U CN 202222068576 U CN202222068576 U CN 202222068576U CN 218090537 U CN218090537 U CN 218090537U
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China
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catwalk
overpass
transverse
hoisting
rope
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CN202222068576.4U
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Inventor
朱能建
王贵羽
贺清华
吴光明
张应红
游威
孟庆
罗焕宝
李少华
彭伟松
陈自东
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China Railway Guangzhou Engineering Group Co Ltd CRECGZ
CRECGZ Bridge Engineering Co Ltd
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China Railway Guangzhou Engineering Group Co Ltd CRECGZ
CRECGZ Bridge Engineering Co Ltd
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Priority to CN202222068576.4U priority Critical patent/CN218090537U/en
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Abstract

The utility model belongs to the technical field of suspension bridge catwalk, a horizontal overline bridge normal position hoist and mount system is striden to catwalk side is related to, and it is including installing the catwalk in the main push-towing rope below of suspension bridge, and the catwalk includes the bearing cable to and be located the catwalk body of bearing cable below, be provided with horizontal overline bridge between the catwalk body of upper and lower trip, be provided with between horizontal overline bridge and the bearing cable and be used for the hoist and mount mechanism of the horizontal overline bridge of handling to mounting point, hoist and mount mechanism and bearing cable slide and be connected, be provided with the reinforcing apparatus who is used for the horizontal overline bridge of fixed handling to mounting point between horizontal overline bridge and the catwalk body, reinforcing apparatus installs in one side that horizontal overline bridge is close to the catwalk body. This application has the installation in-process that reduces at horizontal overline bridge, because horizontal overline bridge is in the high altitude, leads to horizontal overline bridge not with this body coupling of catwalk before, easily receive external environment's influence and the effect of the condition of stability reduction.

Description

Catwalk side-span transverse overpass in-situ hoisting system
Technical Field
The application relates to the field of suspension bridge catwalks, in particular to a catwalk side-span transverse overpass in-situ hoisting system.
Background
The suspension bridge comprises side span areas at two ends in the length direction and a midspan area positioned between the two side span areas, a catwalk is often arranged below a main cable of the suspension bridge in the construction process of the side span areas of the suspension bridge, the catwalk is a linear temporary construction channel parallel to the main cable, and two upstream catwalks and two downstream catwalks are often arranged on the catwalk. The catwalk comprises a bearing rope as a main stress member of the catwalk structure, and a catwalk body located below the bearing rope.
In order to facilitate the transfer of constructors, equipment and materials and improve the stability and the wind resistance of the catwalk, a transverse overpass needs to be built between the upstream catwalk body and the downstream catwalk body. The transverse overpass is a construction channel spanning between the upstream catwalk body and the downstream catwalk body.
The transverse overpass comprises a truss girder positioned at the bottom, the installation of the existing transverse overpass is mainly hung to the installation position through a bearing cable, a plurality of positions between the truss girder and the catwalk body are provided with steel plates or reinforcing beams for connection and fixation, so that the installation of the transverse overpass is realized, and in the installation process of the transverse overpass, the transverse overpass is in the high altitude, so that the transverse overpass is easily influenced by the external environment and the stability is reduced before being connected with the catwalk body.
SUMMERY OF THE UTILITY MODEL
In order to reduce in the installation of horizontal overline bridge, because horizontal overline bridge is in the high altitude, lead to horizontal overline bridge before with catwalk body coupling, easily receive external environment's influence and the condition that stability reduces, this application provides a transverse overline bridge normal position hoist and mount system of catwalk side-span.
The application provides a horizontal overline bridge normal position hoist and mount system of catwalk side span adopts following technical scheme:
the utility model provides a horizontal overline bridge normal position hoist and mount system is striden to catwalk limit, is including installing the catwalk in the main push-towing rope below of suspension bridge, and the catwalk includes the bearing cable to and be located the catwalk body of bearing cable below, be provided with horizontal overline between the catwalk body of upper and lower trip, be provided with the hoisting machine structure who is used for the horizontal overline bridge of handling to mounting point between horizontal overline bridge and the bearing cable, hoisting machine constructs and bearing cable slides and is connected, is provided with the reinforcing apparatus who is used for the horizontal overline bridge of fixed handling to mounting point between horizontal overline bridge and the catwalk body, and reinforcing apparatus installs in one side that horizontal overline bridge is close to the catwalk body.
Through adopting above-mentioned technical scheme, when needing to install horizontal overline bridge, hoisting machine constructs along the bearing cable with horizontal overline bridge handling to the mounting point, horizontal overline bridge passes through reinforcing apparatus and realizes the high-speed joint with the catwalk body to the horizontal overline bridge of fixed handling to the mounting point.
Because many places between horizontal overline bridge and the catwalk body all need set up steel sheet or reinforcing beam and connect fixedly to accomplish the installation of horizontal overline bridge. Therefore, through reinforcing apparatus in the installation of horizontal overline bridge, reducible because horizontal overline bridge is in the high altitude, lead to horizontal overline bridge before with catwalk body coupling, easily receive external environment's influence and the condition of stability reduction.
Optionally, the hoisting mechanism comprises a hoisting rope for hoisting the transverse overpass, a driving device for driving the hoisting rope to move along the bearing ropeway is arranged between the hoisting rope and the bearing rope, and the driving device is connected with the bearing ropeway in a sliding manner.
By adopting the technical scheme, the lifting rope is connected with the transverse overpass, the driving device drives the lifting rope to move along the bearing rope to lift the transverse overpass to a mounting point, and the lifting rope and the driving device are simple in structure and easy to operate, so that the lifting rope is favorable for improving the convenience of lifting operation of the transverse overpass.
Optionally, the driving device is a cable crane.
By adopting the technical scheme, the cable crane has the advantages of large lifting height, large lifting operation span, wide operation range, high speed and high efficiency.
Optionally, the reinforcing device includes a support frame mounted on the transverse overpass, the support frame includes a connecting rod, one end of the connecting rod away from the transverse overpass extends toward the catwalk body, the connecting rod includes a plurality of rod bodies that can move relatively to make the connecting rod contract, and a fixing member is disposed between the plurality of contracted rod bodies; the connecting rod is close to the one end of catwalk body and installs the dead lever, is provided with the connecting piece between dead lever and the catwalk body.
Through adopting above-mentioned technical scheme, the support frame is installed in horizontal overline bridge, can be along with horizontal overline bridge handling to mounting point, when horizontal overline bridge handling to mounting point, through the connecting piece between dead lever and the catwalk body, realizes the high-speed joint of horizontal overline bridge and catwalk body to improve the stability before horizontal overline bridge is not installed.
When hoisting machine constructs horizontal overline bridge hoist and rise to suitable mounted position to when being connected with the catwalk body, a plurality of bodies of rod take place relative movement along with the rising of horizontal overline bridge, in order to realize the shrink of connecting rod. Fixed through the mounting between the body of rod after the shrink, the influence of reducible support frame when installing horizontal overline bridge improves the practicality of support frame.
Optionally, the catwalk body includes the handrail cable of the handrail when the constructor walks in the catwalk, and the connecting piece includes the staple bolt of embracing the handrail cable, and the staple bolt is installed in one side that the fixed section is close to the handrail cable.
By adopting the technical scheme, after the transverse overpass is hoisted to the installation point, the hoop is encircled on the outer wall of the handrail cable, and the bolt of the hoop is rotated to enable the hoop to clamp the outer wall of the handrail cable, so that the transverse overpass can be quickly connected with the catwalk body, and the stability of the transverse overpass before the transverse overpass is not completely installed is improved.
Optionally, the fixing part is a bolt, and the bolt penetrates through the plurality of rod bodies and is in threaded connection with the plurality of rod bodies respectively.
Through adopting above-mentioned technical scheme, rotate the bolt and can run through a plurality of body of rod with the bolt to respectively with a plurality of body of rod threaded connection, in order to realize being connected between a plurality of bodies of rod, convenience when bolt structure is simple, easy operation is favorable to improving the support frame and uses.
Optionally, a sliding and hanging assembly is arranged between one side, close to the catwalk body, of the support frame and the hanging mechanism.
By adopting the technical scheme, the supporting frame and the transverse overline bridge pass through the hoisting mechanism, and when the supporting frame and the transverse overline bridge move along the bearing cable, the sliding hoisting component is arranged between the supporting frame and the hoisting mechanism, so that the stability of the movement of the supporting frame and the transverse overline bridge during hoisting to a mounting point is improved.
Optionally, the sliding and hanging assembly comprises a fixing ring and a connecting rope, the fixing ring is installed on one side, close to the catwalk body, of the support frame, the connecting rope is installed on the hoisting mechanism, a lifting hook is arranged between the connecting rope and the fixing ring, and the lifting hook is connected with the connecting rope.
By adopting the technical scheme, before the transverse overpass is hoisted, the lifting hook is connected with the fixing ring so as to realize the connection of the connecting rope and the support frame, the hoisting mechanism is connected with the hoisting support frame through the connecting rope, the connecting rope and the hoisting hook are simple in structure and easy to operate, and the stability of the support frame and the transverse overpass in-process moving to a mounting point can be improved.
To sum up, the application comprises the following beneficial technical effects:
1. when a transverse overline bridge needs to be installed, the hoisting mechanism hoists the transverse overline bridge to an installation point along the bearing cable, and the transverse overline bridge is quickly connected with the catwalk body through the reinforcing device so as to be fixedly hoisted to the transverse overline bridge of the installation point. In the installation process of the transverse overpass, the situation that the transverse overpass is positioned at a high altitude and is easily influenced by an external environment to reduce the stability before being connected with the catwalk body can be reduced through the reinforcing device;
2. the sliding hoisting assembly is favorable for improving the stability of the support frame and the transverse overpass during hoisting to a mounting point.
Drawings
Fig. 1 is an overall structure schematic diagram of an in-situ hoisting system of a catwalk side-span transverse overpass in an embodiment of the present application.
Fig. 2 is a schematic structural view of the display support frame behind the hidden catwalk body.
Fig. 3 is an enlarged schematic view at a in fig. 2.
Description of reference numerals: 1. a catwalk; 11. a load bearing cable; 12. a catwalk body; 121. a handrail cable; 2. a transverse overpass; 3. a hoisting mechanism; 31. a lifting rope; 32. a cable crane; 33. connecting ropes; 331. a hook; 4. a support frame; 41. a connecting rod; 411. a first rod body; 412. a second rod body; 413. a bolt; 42. a fixing rod; 421. a fixing ring; 43. and (7) hooping.
Detailed Description
The present application is described in further detail below.
The embodiment of the application discloses horizontal overline bridge normal position hoist and mount system of catwalk side-span, refer to fig. 1, including catwalk 1, be provided with horizontal overline bridge 2 between the upper and lower stream catwalk 1, the top of catwalk 1 is provided with hoisting machine and constructs 3, and hoisting machine constructs 3 and is connected with horizontal overline bridge 2, is provided with support frame 4 between horizontal overline bridge 2 and the catwalk 1.
Catwalk 1 is for installing two linear passageways in the main push-towing rope below of suspension bridge, and catwalk 1 is including the catwalk body 12 that is used for constructor to walk to and be located the bearing cable 11 of catwalk body 12 top. The bearing rope 11 is a flexible steel rope arranged along the length direction of the catwalk body 12. The catwalk body 12 includes a handrail cable 121 as a handrail for a constructor to walk, and the handrail cable 121 is a flexible steel cable and is located on both sides of the catwalk body 12 in the longitudinal direction.
Be provided with horizontal overline 2 between two catwalk bodies 12, horizontal overline 2 is the passageway that the level set up to span between two catwalk bodies 12, be provided with hoisting machine 3 between horizontal overline 2 and the bearing cable 11, hoisting machine 3 includes the lifting rope 31 of being connected with horizontal overline 2, the one end that horizontal overline 2 was kept away from to lifting rope 31 is connected with cable crane 32, cable crane 32 slides along the length direction of bearing cable 11 and is connected, in order to hoist horizontal overline 2 to the mounting point.
Referring to fig. 2, support frame 4 is installed to one side that horizontal overline bridge 2 is close to catwalk body 12, support frame 4 is the door-shaped frame of vertical setting, support frame 4 includes two sections connecting rods 41, connecting rod 41 is the long rod-shaped of vertical setting, and the one end of keeping away from support frame 4 extends to catwalk body 12, connecting rod 41 is including the second section body that is located the top and the first section body that is located the below, first section body and second section body relative movement are in order to realize connecting rod 41's shrink, when the relative second section body of first section body along the shrink direction removed and entangled the second cover body, can realize connecting rod 41's shrink. Be provided with bolt 413 between the first section body after the shrink and the second section body, bolt 413 horizontal setting, bolt 413 run through first section body and second section body and with first section body and second section body threaded connection.
A fixing rod 42 is arranged between the top ends of the two sections of the connecting rods 41, and the fixing rod 42 is in a long rod shape and spans between the two sections of the connecting rods 41. Referring to fig. 3, two sets of hoops 43 are installed on one side of the fixing rod 42 close to the catwalk body 12, the two sets of hoops 43 are distributed along the length direction of the fixing rod 42, and the two sets of hoops 43 respectively surround the outer walls of the handrail cables 121 on two sides of the catwalk 1 along the length direction. Two fixing rings 421 are disposed between the two sets of hoops 43, and the two fixing rings 421 are distributed along the length direction of the fixing rod 42. With reference to fig. 2, a connection rope 33 is disposed between the fixing ring 421 and the cable crane 32, the connection rope 33 is connected to one side of the cable crane 32 close to the catwalk body 12, one end of the connection rope 33 close to the fixing ring 421 is connected to a hook 331, and the connection rope 33 is connected to the fixing ring 421 through the hook 331.
The implementation principle of the 2 normal position hoist and mount systems of 1 side span transverse overpass of catwalk of this application embodiment does: referring to fig. 1, when a transverse overpass 2 needs to be installed, a cable crane 32 is connected with the transverse overpass 2 through a lifting rope 31 and is connected with a support frame 4 through a connecting rope 33, the cable crane 32 hoists the transverse overpass 2 to a mounting point along a bearing rope 11, and a hoop 43 (referring to fig. 3) clamps a handrail rope 121, so that the transverse overpass 2 can be quickly connected with a catwalk body 12, and the situation that the stability is reduced due to the fact that the transverse overpass 2 is located at high altitude and the transverse overpass 2 is easily influenced by the external environment before being connected with the catwalk body 12 can be reduced.
When the transverse overpass 2 is connected with the catwalk body 12, the transverse overpass 2 is lifted to a proper mounting point through the cable crane 32, and the connecting rod 41 is contracted to reduce the influence of the support frame 4 on the installation of the transverse overpass 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a horizontal overline bridge normal position hoist and mount system is striden to catwalk limit, is including installing catwalk (1) in the main push-towing rope below of suspension bridge, catwalk (1) including bearing cable (11) to and catwalk body (12) that are located bearing cable (11) below, be provided with horizontal overline bridge (2), its characterized in that between upper and lower stream catwalk body (12): be provided with between horizontal overline (2) and bearing cable (11) and construct (3) for horizontal overline (2) of handling to the mounting point, hoisting constructs (3) and is connected with bearing cable (11) slide, is provided with the reinforcing apparatus who is used for fixed horizontal overline (2) of handling to the mounting point between horizontal overline (2) and catwalk body (12), and reinforcing apparatus installs in one side that horizontal overline (2) are close to catwalk body (12).
2. The catwalk side-span transverse overpass in-situ hoisting system of claim 1, characterized in that: the hoisting mechanism (3) comprises a hoisting rope (31) for hoisting the transverse overpass (2), a driving device for driving the hoisting rope (31) to move along the bearing rope (11) is arranged between the hoisting rope (31) and the bearing rope (11), and the driving device is connected with the bearing rope (11) in a sliding manner.
3. The catwalk side-span transverse overpass in-situ hoisting system of claim 2, wherein: the drive device is a cable crane (32).
4. The catwalk side-span transverse overpass in-situ hoisting system of claim 1, characterized in that: the reinforcing device comprises a supporting frame (4) arranged on the transverse overpass (2), the supporting frame (4) comprises a connecting rod (41), one end, far away from the transverse overpass (2), of the connecting rod (41) extends towards the catwalk body (12), the connecting rod (41) comprises a plurality of rod bodies capable of moving relatively to enable the connecting rod (41) to contract, and fixing pieces are arranged among the plurality of contracted rod bodies; a fixing rod (42) is installed at one end, close to the catwalk body (12), of the connecting rod (41), and a connecting piece is arranged between the fixing rod (42) and the catwalk body (12).
5. The catwalk side-span transverse overpass in-situ hoisting system of claim 4, characterized in that: catwalk body (12) are including handrail cable (121) as the handrail of constructor when walking in catwalk (1), and the connecting piece is including staple bolt (43) of embracing handrail cable (121), and staple bolt (43) are installed in one side that the fixed segment is close to handrail cable (121).
6. The catwalk side-span transverse overpass in-situ hoisting system of claim 4, wherein: the fixing piece is a bolt (413), and the bolt (413) penetrates through the rod bodies and is in threaded connection with the rod bodies respectively.
7. The catwalk side-span transverse overpass in-situ hoisting system of claim 4, wherein: a sliding and hanging assembly is arranged between one side of the support frame (4) close to the catwalk body (12) and the hoisting mechanism (3).
8. The catwalk side-span transverse overpass in-situ hoisting system of claim 7, wherein: the sliding and hanging assembly comprises a fixing ring (421) which is arranged on one side, close to the catwalk body (12), of the support frame (4) and a connecting rope (33) which is arranged on the hoisting mechanism (3), a lifting hook (331) is arranged between the connecting rope (33) and the fixing ring (421), and the lifting hook (331) is connected with the connecting rope (33).
CN202222068576.4U 2022-08-06 2022-08-06 Catwalk side-span transverse overpass in-situ hoisting system Active CN218090537U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222068576.4U CN218090537U (en) 2022-08-06 2022-08-06 Catwalk side-span transverse overpass in-situ hoisting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222068576.4U CN218090537U (en) 2022-08-06 2022-08-06 Catwalk side-span transverse overpass in-situ hoisting system

Publications (1)

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CN218090537U true CN218090537U (en) 2022-12-20

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