CN111764293A - Catwalk plate for construction of suspension bridge - Google Patents

Abstract

The invention belongs to the technical field of bridge construction, and particularly relates to a catwalk plate for suspension bridge construction, which comprises a plate-shaped body, wherein the bottom of the plate-shaped body is provided with a first clamping mechanism for preventing the plate-shaped body from radially displacing along a catwalk bearing cable, and a second clamping mechanism for preventing the plate-shaped body from axially displacing along the catwalk bearing cable; still be equipped with linkage trigger mechanism in the platelike body, linkage trigger mechanism is assembled and can drives first clamping mechanism and second clamping mechanism and press from both sides the tight catwalk bearing cable when platelike body is placed on the catwalk bearing cable and exerts the overdraft to platelike body. The catwalk plate is provided with the first clamping mechanism and the second clamping mechanism which can automatically clamp the catwalk bearing ropes, and when the catwalk plate is laid on the catwalk bearing ropes, downward pressure is applied to the catwalk plate, so that the first clamping mechanism and the second clamping mechanism can clamp the catwalk bearing ropes, the axial and radial fixation of the catwalk plate and the catwalk bearing ropes is realized, and the automatic laying of the catwalk plate is facilitated.

Description

Catwalk plate for construction of suspension bridge

Technical Field

The invention belongs to the technical field of bridge construction and particularly relates to a catwalk plate for construction of a suspension bridge.

Background

The catwalk is a river surface crossing construction platform temporarily built in the suspension bridge main cable erection process, the trend of the catwalk is consistent with the trend of the suspension bridge main cable, the catwalk mainly comprises catwalk bearing cables, catwalk boards, guardrails, traction cables and transverse channels, the traditional catwalk is built and generally adopts manual laying of the catwalk boards, time and labor are wasted, and great potential safety hazards exist in high-altitude construction.

Disclosure of Invention

The invention aims to provide a catwalk plate for suspension bridge construction, which can realize automatic clamping of a body and a lock body so as to facilitate automatic paving of the catwalk plate.

The technical scheme adopted by the invention is as follows:

a catwalk plate for suspension bridge construction comprises a plate-shaped body, wherein a first clamping mechanism for preventing the plate-shaped body from radially displacing along a catwalk bearing rope and a second clamping mechanism for preventing the plate-shaped body from axially displacing along the catwalk bearing rope are arranged at the bottom of the plate-shaped body; still be equipped with linkage trigger mechanism in the platelike body, linkage trigger mechanism is assembled and can drives first clamping mechanism and second clamping mechanism and press from both sides the tight catwalk bearing cable when platelike body is placed on the catwalk bearing cable and exerts the overdraft to platelike body.

The first clamping mechanism comprises a strip groove with a downward opening and arranged at the bottom of the plate-shaped body, and a first clamping block, wherein the strip groove opening is movable along the strip groove width direction to close or open the strip groove opening, and the linkage trigger mechanism is assembled to drive the first clamping block to be switched from an open state to a closed state when the catwalk bearing rope is clamped into the strip groove and extrudes the top surface of the strip groove.

The linkage trigger mechanism comprises a first elastic unit and a first locking unit, the first elastic unit is assembled to enable the elastic force of the first elastic unit to drive the first clamping block to move from the opening state to the closing state, the first locking unit is assembled to enable the first clamping block to be kept in the opening state when the first clamping block is in the opening state, and the first locking unit releases the first clamping block to enable the first clamping block to move to the closing state under the action of the first elastic unit when the catwalk bearing rope presses the top surface of the strip groove.

The first elastic unit is a pressure spring arranged between the first clamping block and the plate-shaped body; first locking unit includes the lock plate with first clamp splice rigid coupling to and the lock round pin that the direction activity along perpendicular to plate-like body face set up, be equipped with on the lock plate with lock round pin grafting complex lock groove, lock round pin and lock groove are just right setting along the vertical of plate-like body face when first clamp splice is in the state of opening, lock round pin lower extreme is equipped with the ejector pin, the ejector pin is protruding to a inslot, can extrude when catwalk bearing cable extrudees a groove top the ejector pin makes the lock round pin upwards lifting and break away from with the lock groove, be equipped with second elastic unit between lock round pin and the plate-like body, second elastic unit is assembled and can orders about the lock round pin and reset downwards for its elasticity, still be equipped with on the lock plate and be used for dodging the bar of ejector pin when the lock plate moves along with first clamp splice and dodge the groove.

The second clamping mechanism comprises second clamping blocks and a clamping seat, the second clamping blocks are arranged in the clamping seat in a group two by two, inclined surfaces are arranged on the back sides of the two second clamping blocks in the same group, the inclined surfaces on the two second clamping blocks are arranged in a splayed manner, two guide surfaces which are oppositely arranged and arranged in a splayed manner are arranged in the clamping seat, and the inclined surfaces of the two second clamping blocks are respectively in sliding fit with the two guide surfaces; the two second clamping blocks are provided with semicircular clamping grooves towards opposite sides, clamping cavities formed when the two semicircular clamping grooves are folded are opposite to the strip grooves along the length direction of the strip grooves, a third elastic unit is arranged between the two second clamping blocks and the clamping seat or the plate-shaped body, and the third elastic unit is assembled into a structure that the elasticity of the third elastic unit can drive the two second clamping blocks to slide towards the direction that the two guide surfaces are gradually narrowed; the linkage trigger mechanism further comprises a second locking unit, the second locking unit is assembled to be capable of keeping the second clamping block at the position when the second clamping block is located at one end, far away from each other, of the two guide surfaces, and the second locking unit can release the second clamping block after the catwalk bearing cable is clamped into the strip groove, so that the second clamping block moves towards the direction, narrowed gradually towards the two guide surfaces under the effect of the third elastic unit, and the two second clamping blocks are folded together under the effect of the guide surfaces to clamp the catwalk bearing cable.

The second locking unit comprises a driving frame, the second clamping block is in sliding fit with the driving frame along the width direction of the strip groove, the driving frame is in sliding fit with the plate-shaped body along the length direction of the strip groove, the third elastic unit is a pressure spring assembled between the driving frame and the plate-shaped body, a limiting block which is mutually blocked and connected is arranged between the driving frame and the locking plate, the limiting block is assembled in a way that when the first clamping block is in an opening state and the second clamping block is positioned at one end, far away from each other, of the two guide surfaces, the limiting block is mutually blocked and connected to prevent the driving frame from moving towards the direction that the two guide surfaces are narrowed, and when the first clamping block is in a closing state, the limiting block is mutually separated to enable the driving frame to move towards the direction that the two guide surfaces are narrowed under the action of the third elastic unit so as to drive the two second.

Still be equipped with interlocking mechanism between first clamping mechanism and the second clamping mechanism, interlocking mechanism includes the second wedge that sets up on the first wedge that sets up on the driving rack and the lock plate, the inclined plane of first wedge and second wedge is mutually supported and both are assembled for first wedge can extrude the second wedge and make first clamp splice by the tight closed condition when the driving rack moves to the direction that two guide faces narrow.

The strip groove is provided with a plurality of parallel grooves, and the first clamping blocks in the strip grooves are fixedly connected with the same locking plate.

The first clamping blocks are arranged at intervals along the length direction of the strip grooves, the closing directions of the adjacent first clamping blocks are opposite, the locking plates on the adjacent first clamping blocks share the same locking pin, and the locking grooves are semicircular groove bodies formed in the opposite sides of the adjacent locking plates.

A construction system for laying a suspension bridge catwalk comprises the catwalk plate.

The invention has the technical effects that: the catwalk plate is provided with the first clamping mechanism and the second clamping mechanism which can automatically clamp the catwalk bearing ropes, and after the catwalk plate is laid on the catwalk bearing ropes, downward pressure is applied to the catwalk plate, so that the first clamping mechanism and the second clamping mechanism can clamp the catwalk bearing ropes, the axial and radial fixation of the catwalk plate and the catwalk bearing ropes is achieved, manual arrangement of connecting pieces is not needed, and the automatic laying of the catwalk plate is facilitated.

Drawings

Fig. 1 is a schematic diagram of a suspension bridge catwalk laying construction system provided by an embodiment of the present invention;

fig. 2 is a perspective view of a mounting structure of a catwalk board according to an embodiment of the present invention;

FIG. 3 is a perspective view of another perspective of a mounting structure for a catwalk plate provided in accordance with an embodiment of the present invention;

fig. 4 is an exploded view of a mounting structure of a catwalk board provided in an embodiment of the present invention;

fig. 5 is a sectional view of a mounting structure of a catwalk plate according to an embodiment of the present invention;

fig. 6 is a schematic view of the internal structure of the catwalk plate in an unclamped state according to the embodiment of the present invention;

FIG. 7 is a top view of the state of FIG. 6;

fig. 8 is a bottom view of the state shown in fig. 6;

fig. 9 is a schematic view of the internal structure of the clamped state of the catwalk plate according to the embodiment of the present invention;

FIG. 10 is a top view of the condition illustrated in FIG. 9;

FIG. 11 is a bottom view of the condition of FIG. 9;

FIG. 12 is a perspective view of a latch plate provided in accordance with an embodiment of the present invention;

FIG. 13 is an exploded view of a second clamping mechanism provided by an embodiment of the present invention;

FIG. 14 is an exploded view of another perspective of a second clamping mechanism provided by an embodiment of the present invention;

FIG. 15 is a perspective view of a paving apparatus provided in accordance with an embodiment of the present invention;

FIG. 16 is a perspective view of another perspective of a paving apparatus provided in accordance with an embodiment of the present invention;

FIG. 17 is a perspective view of one state of a paving apparatus provided in accordance with an embodiment of the present invention;

fig. 18 is a bottom view of the state shown in fig. 17;

fig. 19 is a side view of the state shown in fig. 17;

FIG. 20 is a perspective view of another state of a paving apparatus provided in accordance with an embodiment of the present invention;

fig. 21 is a side view of the state shown in fig. 20.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

Example 1

As shown in fig. 1, a suspension bridge catwalk laying construction system includes a catwalk plate 10 and a laying device 20; as shown in fig. 1 to 14, the catwalk plate 10 includes a plate-shaped body, and the bottom of the plate-shaped body is provided with a first clamping mechanism 11 for preventing the plate-shaped body from displacing along the radial direction of the catwalk bearing rope 1, and a second clamping mechanism 12 for preventing the plate-shaped body from displacing along the axial direction of the catwalk bearing rope 1; a linkage trigger mechanism is further arranged in the plate-shaped body and is assembled to be capable of driving the first clamping mechanism 11 and the second clamping mechanism 12 to clamp the catwalk bearing rope 1 when the plate-shaped body is placed on the catwalk bearing rope 1 and downward force is applied to the plate-shaped body; as shown in fig. 15-21, the laying device 20 includes a storage rack 21 for stacking the catwalk boards 10, roller sets which are in rolling fit with the catwalk bearing rope 1 and the catwalk guardrail rope 2 are respectively arranged at the bottom and two sides of the storage rack 21, a traction rope 3 which is arranged in parallel with the catwalk bearing rope 1 is arranged above the catwalk bearing rope 1, the storage rack 21 is connected with a traction rack 4 fixedly connected to the traction rope 3 through the traction rope for drawing the storage rack 21 to travel along the catwalk bearing rope 1 and the catwalk guardrail rope 2, two traction ropes 3 are arranged, the traction rack 4 is fixedly connected to one traction rope 3, a guide sleeve 5 is arranged on the traction rack 4, and the guide sleeve 5 is freely sleeved on the other traction rope 3; the utility model discloses a catwalk device, including storage frame 21, feed mechanism 21, discharge mechanism 22, feed mechanism 23, discharge mechanism 22 is equipped with discharge mechanism 22 in the storage frame 21 bottom, and the dorsal part of storage frame 21 walking direction is equipped with swager 23, discharge mechanism 22 is assembled to be able to push the catwalk board 10 propelling movement of storage frame 21 to swager 23 in, swager 23 is assembled to be able to press the catwalk board 10 that discharge mechanism 22 pushed comes on catwalk bearing cable 1. The catwalk plate 10 is provided with the first clamping mechanism 11 and the second clamping mechanism 12 which can automatically clamp the catwalk bearing rope 1, when the catwalk plate 10 is laid on the catwalk bearing rope 1, downward pressure is applied to the catwalk plate 10, and the first clamping mechanism 11 and the second clamping mechanism 12 can clamp the catwalk bearing rope 1, so that the axial and radial fixation of the catwalk plate 10 and the catwalk bearing rope 1 is realized, a connecting piece does not need to be manually arranged, and the automatic laying of the catwalk plate 10 is facilitated; the paving device 20 provided by the invention can automatically pave the catwalk board 10, the catwalk board 10 is pushed to the pressing mechanism 23 one by the discharging mechanism 22, and then the catwalk board 10 is clamped and fixed on the catwalk bearing cable 1 by the pressing mechanism 23, so that manual close-distance intervention is not needed in the whole construction process, the catwalk paving efficiency is improved, and meanwhile, the safety of constructors is ensured.

Preferably, as shown in fig. 3 to 12, the first clamping mechanism 11 includes a strip groove 111 with a downward opening arranged at the bottom of the plate-shaped body, and a first clamping block 112 at the opening of the strip groove 111 and moving along the width direction of the strip groove 111 to close or open the opening of the strip groove 111, and the linkage trigger mechanism is configured to actuate the first clamping block 112 to switch from the open state to the closed state when the catwalk bearing rope 1 is clamped into the strip groove 111 and presses the top surface of the strip groove 111; specifically, the linkage trigger mechanism comprises a first elastic unit 113 and a first locking unit, the first elastic unit 113 is assembled to enable the elastic force of the first elastic unit 113 to drive the first clamping block 112 to move from the open state to the closed state, the first locking unit is assembled to enable the first clamping block 112 to be kept in the open state when the first clamping block 112 is in the open state, and the first locking unit releases the first clamping block 112 to enable the first clamping block 112 to move to the closed state under the action of the first elastic unit 113 when the catwalk bearing rope 1 presses the top surface of the strip groove 111; more specifically, the first elastic unit 113 is a compression spring disposed between the first clamping block 112 and the plate-shaped body; the first locking unit comprises a locking plate 114 fixedly connected with the first clamping block 112 and a locking pin 115 movably arranged along the direction vertical to the plate surface of the plate-shaped body, the locking plate 114 is provided with a locking groove 1141 which is in plug fit with the locking pin 115, when the first clamping block 112 is in the open state, the locking pin 115 and the locking groove 1141 are arranged oppositely along the vertical direction of the plate-shaped body plate surface, the lower end of the locking pin 115 is provided with a top rod 1151, the top rod 1151 protrudes into the strip groove 111, when the catwalk bearing rope 1 presses the top surface of the bar groove 111, the push rod 1151 can be pressed to lift the locking pin 115 upwards and disengage from the locking groove 1141, a second elastic unit 1152 is provided between the locking pin 115 and the plate-shaped body, the second elastic unit 1152 is assembled such that its elastic force can urge the locking pin 115 to be reset downward, the locking plate 114 is also provided with a strip-shaped avoiding groove 1142 for avoiding the ejector rod 1151 when the locking plate 114 moves along with the first clamping block 112; the plurality of grooves 111 are arranged in parallel, and the first clamping blocks 112 in each groove 111 are fixedly connected with the same locking plate 114. The working principle of the first clamping mechanism 11 is as follows: in an initial state, the first clamping block 112 is contracted into the side wall of the strip groove 111, at this time, the locking groove 1141 on the locking plate 114 is opposite to the locking pin 115, and the locking pin 115 is inserted into the locking groove 1141 under the action of the second elastic unit 1152, so that the first clamping block 112 cannot pop out into the strip groove 111 along the width direction of the strip groove 111; when the catwalk bearing rope 1 is clamped into the strip groove 111, a certain downward pressure is applied to the catwalk plate 10, the locking pin 115 can be jacked up by the catwalk bearing rope 1, at the moment, the locking pin 115 is separated from the locking groove 1141, the first clamping block 112 pops out into the strip groove 111 under the action of the first elastic unit 113 to close the opening of the strip groove 111, and here, the closing does not need to completely close the opening, and can also be partial closing of the opening, as long as the catwalk bearing rope 1 can be prevented from being separated from the strip groove 111. In a specific embodiment, the first clamping block 112 and the locking plate 114 of the present invention are an integral structure, and both are slidably engaged with a T-shaped groove formed on the plate-shaped body through a T-shaped block. Except for special description, all the elastic units adopt compression springs.

As shown in fig. 13 and 14, the second clamping mechanism 12 includes second clamping blocks 122 and clamping seats 121, the second clamping blocks 122 are installed in one clamping seat 121 in pairs, inclined surfaces are provided on the two second clamping blocks 122 in the same group toward the back, the inclined surfaces on the two second clamping blocks 122 are arranged in a splayed manner, two guide surfaces which are oppositely arranged and arranged in a splayed manner are provided in the clamping seat 121, and the inclined surfaces of the two second clamping blocks 122 form a sliding fit with the two guide surfaces respectively; the two second clamping blocks 122 are provided with semicircular clamping grooves towards opposite sides, clamping cavities formed when the two semicircular clamping grooves are closed are opposite to the strip groove 111 along the length direction of the strip groove 111, a third elastic unit 14 is arranged between the two second clamping blocks 122 and the clamping seat 121 or the plate-shaped body, and the third elastic unit 14 is assembled in a way that the elastic force of the third elastic unit can drive the two second clamping blocks 122 to slide towards the direction that the two guide surfaces are gradually narrowed; the linkage trigger mechanism further comprises a second locking unit which is assembled to be capable of keeping the second clamping block 122 at the position when the second clamping block 122 is positioned at one end of the two guide surfaces, which are far away from each other, and releasing the second clamping block 122 after the catwalk bearing rope 1 is clamped into the strip groove 111, so that the second clamping block 122 moves towards the direction in which the two guide surfaces are gradually narrowed under the action of the third elastic unit 14, and the two second clamping blocks 122 are mutually folded under the action of the guide surfaces to clamp the catwalk bearing rope 1; specifically, the second locking unit comprises a driving frame 13, the second clamping block 122 forms a sliding fit with the driving frame 13 along the width direction of the strip groove 111, the driving frame 13 is in sliding fit with the plate-shaped body along the length direction of the strip groove 111, the third elastic unit 14 is a compression spring assembled between the driving frame 13 and the plate-shaped body, a stopper 117 which is mutually blocked is provided between the driving frame 13 and the locking plate 114, the stopper 117 is configured such that when the first clamping block 112 is in the open state and the second clamping block 122 is at the end where the two guide surfaces are away from each other, the stopper 117 is mutually blocked to prevent the driving frame 13 from moving in the direction in which the two guide surfaces are narrowed, and when the first clamping blocks 112 are in the closed state, the limiting blocks 117 are mutually separated, so that the driving frame 13 moves towards the direction of narrowing of the two guide surfaces under the action of the third elastic unit 14 to drive the two second clamping blocks 122 to clamp. The working principle of the second clamping mechanism 12 is as follows: the second clamping mechanism 12 is one-way locked, because the whole span of the catwalk can be regarded as two symmetrical slopes, and the catwalk plate 10 only has a tendency of sliding downwards after being installed in place, so that the catwalk plate is only required to be locked in one way along the axial direction, and the second clamping mechanisms 12 of the catwalk plates 10 on two sides of the center of the middle span of the catwalk are opposite in orientation during laying, namely, the catwalk plates 10 are laid along the direction of preventing the catwalk plates 10 from sliding downwards. When the first clamping mechanism 11 is not clamped yet, the second clamping mechanism 12 is blocked by the limiting block 117, so that the second clamping blocks 122 are in a state of being away from each other, and when the first clamping mechanism 11 is clamped, the limiting block 117 is separated from each other, at this time, the driving frame 13 pushes the second clamping blocks 122 to be folded together under the action of the third elastic unit 14, friction force is generated between the folded second clamping blocks 122 and the catwalk bearing rope 1, when the catwalk plate 10 has a downward sliding trend, the second clamping blocks 122 can be clamped more and more tightly, so that self-locking is formed, and the catwalk plate 10 is effectively prevented from sliding downwards.

As shown in fig. 6 and 9, an interlocking mechanism is further disposed between the first clamping mechanism 11 and the second clamping mechanism 12, the interlocking mechanism includes a first wedge block 131 disposed on the driving frame 13 and a second wedge block 116 disposed on the locking plate 114, and the inclined surfaces of the first wedge block 131 and the second wedge block 116 are matched with each other and are assembled such that when the driving frame 13 moves in a direction in which the two guiding surfaces are narrowed, the first wedge block 131 can press the second wedge block 116 to make the first clamping block 112 be pressed in a closed state. The second clamping mechanism 12 is more and more tensioned by the catwalk bearing rope 1 after being clamped, and the tensioning force is specially transferred to the first clamping mechanism 11 through the interlocking mechanism, so that the first clamping mechanism 11 is more and more clamped, and the reliable connection between the catwalk plate 10 and the catwalk bearing rope 1 is further ensured.

Preferably, the first clamping blocks 112 are arranged at intervals along the length direction of the strip groove 111, the closing directions of the adjacent first clamping blocks 112 are opposite, the locking plates 114 on the adjacent first clamping blocks 112 share the same locking pin 115, and the locking groove 1141 is a semicircular groove body formed on the opposite side of the adjacent locking plate 114.

As shown in fig. 17-21, the discharging mechanism 22 includes a pushing block 221, the pushing block 221 is slidably disposed on the sidewall of the storage rack 21 along a direction parallel to the catwalk bearing rope 1, the pushing block 221 is blocked and connected with a sidewall of the lowermost catwalk plate 10 of the storage rack 21 facing the traveling direction of the storage rack 21, and a discharging port flush with the lowermost catwalk plate 10 is disposed at the bottom of a side end plate of the storage rack 21 facing back to the traveling direction; the pressing mechanism 23 comprises a pressing frame 231, the pressing frame 231 is arranged on the storage frame 21 in a lifting manner along a direction perpendicular to the catwalk bearing rope 1, a sliding channel for enabling the catwalk plate 10 to slide along the length direction of the catwalk bearing rope 1 is arranged on the pressing frame 231, a notch part for avoiding the catwalk bearing rope 1 is arranged at the bottom of the sliding channel, the pressing frame 231 is provided with a high position and a low position along a movable stroke, the sliding channel is flush with the discharge hole when located at the high position, and the catwalk plate 10 in the sliding channel is clamped with the catwalk bearing rope 1 when located at the low position; further, the device further comprises a driving mechanism for driving the discharging mechanism 22 and the pressing mechanism 23 to act, preferably, the driving mechanism comprises a linear driving element, the power output direction of the linear driving element is parallel to the length direction of the catwalk bearing rope 1, the linear driving element has a first stroke and a second stroke, the linear driving element can drive the pushing block 221 to reciprocate when moving in the first stroke, and the linear driving element can drive the pressing frame 231 to lift when moving in the second stroke. The invention adopts a driving element to realize two actions of discharging and pressing the catwalk plate 10, greatly simplifies the equipment structure and the preparation quality, and meets the requirement of high-altitude operation. Although the catwalk bearing rope 1 is in a macroscopic arc-shaped structure, the catwalk bearing rope can be roughly regarded as a straight line when being divided into small intervals, so that the parts in the expression of the invention which are parallel or perpendicular to the catwalk bearing rope 1 refer to the catwalk bearing rope 1 in a certain interval of the equipment, and the common cognition of the skilled person is in line with the technical proposal.

Specifically, the linear driving element is an electric screw rod and screw block mechanism, a screw rod of the electric screw rod and screw block mechanism is parallel to the catwalk bearing rope 1, the push block 221 is installed on a sliding seat 222, the sliding seat 222 is in sliding connection with a sliding rail arranged on the storage rack 21 along a direction parallel to the screw rod, a clutch mechanism is arranged between the sliding seat 222 and a sliding block 27 of the electric screw rod and screw block mechanism, the clutch mechanism is assembled such that the sliding seat 222 and the sliding block 27 are relatively fixed when the sliding block 27 moves in a first stroke, and the sliding seat 222 and the sliding block 27 are separated when the sliding block 27 moves in a second stroke; a fourth elastic unit 233 is arranged between the material pressing frame 231 and the material storage frame 21, the fourth elastic unit 233 is assembled such that the elastic force of the fourth elastic unit 233 can drive the material pressing frame 231 to lift, a wedge-shaped driving block 271 is arranged on the sliding block 27, a wedge-shaped surface 232 is arranged on the material pressing frame 231, and when the sliding block 27 enters a second stroke, the wedge-shaped driving block 271 is abutted against the wedge-shaped surface 232 and is matched with the fourth elastic unit 233 to drive the material pressing frame 231 to lift; the clutch mechanism comprises a plug pin 272 arranged on the sliding block 27, the axial direction of the plug pin 272 is parallel to the screw rod, a jack matched with the plug pin 272 is arranged on the sliding seat 222, a first ring groove 273 is arranged on the plug pin 272, a first clamping plate 223 is arranged in the jack, the plate surface of the first clamping plate 223 is perpendicular to the axial direction of the jack, the first clamping plate 223 is arranged in a sliding manner along the jack in the radial direction, a first clamping hole for the plug pin 272 to pass through is arranged on the first clamping plate 223, a fifth elastic unit 225 for driving the first clamping plate 223 to slide along the jack in the radial direction is arranged between the first clamping plate 223 and the sliding seat 222, and when the first ring groove 273 is flush with the first clamping plate 223, the edge of the first clamping hole is inserted into the first ring groove 273 under the action of the fifth elastic unit 225 so as to prevent the axial relative displacement; the sliding base 222 is further internally provided with an unlocking pin 224, the unlocking pin 224 is arranged in the sliding base 222 in a sliding mode along a direction parallel to the axis of the insertion hole, wedge surfaces matched with each other are arranged between the unlocking pin 224 and the first clamping plate 223, an unlocking block 226 is arranged on the sliding base 222 in a sliding mode, the unlocking block 226 is fixedly connected with the storage rack 21, the unlocking block 226 is located at the joint of the first stroke and the second stroke, the unlocking block 226 can extrude the unlocking pin 224 when the sliding base 222 is abutted to the unlocking block 226, the unlocking pin 224 pushes the first clamping plate 223 to slide at the moment and enables the first clamping hole to be coaxial with the plug pin 272, the plug pin 272 can be pulled out of the insertion hole, and the end portion of the plug pin 272 is provided with a conical surface-shaped chamfer so that the first clamping plate 223 can be ejected in a.

As shown in fig. 16, 19 and 21, the linear driving device further comprises a pushing mechanism 25, the pushing mechanism 25 is used for pushing the catwalk plate 10 clamped on the catwalk bearing rope 1 along the length direction of the catwalk bearing rope 1, the linear driving element further has a third stroke, and when the linear driving element moves in the third stroke, the pushing mechanism 25 can be driven to act; the pushing mechanism 25 comprises a pushing plate 251 arranged at the bottom of the storage rack 21, the pushing plate 251 is movably connected with the storage rack 21 along the length direction of the catwalk bearing rope 1, a sixth elastic unit 252 is arranged between the pushing plate 251 and the storage rack 21, and the sixth elastic unit 252 is assembled such that the elastic force thereof can drive the pushing plate 251 to move towards the traveling direction of the storage rack 21 relative to the storage rack 21; the material pushing plate 251 is relatively fixedly connected with a slide rod 254 on the side wall of the material storage frame 21 through a transmission bracket 253, the slide rod 254 is connected with the material storage frame 21 in a sliding mode along the direction parallel to the lead screw, a stop 255 is arranged at the end portion of the slide rod 254, the stop 255 is located on the moving path of the slide block 27 or the wedge-shaped driving block 271, and the stop 255 is in blocking connection with the slide block 27 or the wedge-shaped driving block 271 when the slide block 27 enters the third stroke. The pushing mechanism 25 can provide a certain downward sliding trend for the catwalk plate 10 after the catwalk plate 10 and the catwalk bearing cable 1 are clamped, so that the second clamping mechanism 12 generates a certain pre-tightening force, and downward sliding in the subsequent use process is avoided.

As shown in fig. 16, 19 and 21, the bottom of the storage rack 21 is further provided with a transition support mechanism 26, the transition support mechanism 26 is configured such that the transition support mechanism 26 can temporarily support the upper catwalk plate 10 during the process that the pushing block 221 pushes the bottommost catwalk plate 10 into the material pressing rack 231, and the transition support mechanism 26 can release the upper catwalk plate 10 after the pushing block 221 is reset so that the upper catwalk plate 10 sinks to the bottom of the storage rack 21; the transition support mechanism 26 comprises a support rod 261 which is arranged in a telescopic manner along a direction perpendicular to the bottom plate of the storage rack 21, a seventh elastic unit 263 is arranged between the support rod 261 and the storage rack 21, and the seventh elastic unit 263 is assembled to be capable of driving the support rod 261 to pop up above the bottom plate of the storage rack 21; a locking mechanism is arranged between the support rod 261 and the bottom plate of the storage rack 21, the locking mechanism comprises a second annular groove 2611 arranged on the support rod 261 and a second clamping plate 262 arranged on the bottom plate of the storage rack 21 in a radial sliding manner along the support rod 261, a second clamping hole for the support rod 261 to pass through is formed in the second clamping plate 262, an eighth elastic unit 264 is arranged between the second clamping plate 262 and the storage rack 21, and the eighth elastic unit 264 is assembled to drive the second clamping plate 262 to move in the reverse direction of the traveling direction of the storage rack 21 relative to the storage rack 21; when the supporting rod 261 pops up upwards and when the bottom surface of the cat track board 10 is abutted, the second annular groove 2611 is parallel and level with the second clamping plate 262, and the second clamping plate 262 is clamped into the second annular groove 2611 under the action of the eighth elastic unit 264 to prevent the supporting rod 261 from descending, the second clamping plate 262 is provided with an extending frame 2621 extending to the two sides of the storage rack 21, the extending frame 2621 is located on the moving path of the sliding seat 222, and when the sliding seat 222 and the pushing block 221 are reset, the second clamping plate 262 can be driven synchronously to move towards the walking direction of the storage rack 21 and enable the second clamping hole to be just right opposite to the supporting rod 261, and at the moment, the supporting rod 261 descends under the action of gravity of the cat track board 10 and contracts to be below the bottom plate surface of. Transition supporting mechanism 26 can take out from back at bottom cat guidance tape 10 and support temporarily upper cat guidance tape 10, and it transfers upper cat guidance tape 10 to wait to transfer after ejector pad 221 resets again, can avoid upper cat guidance tape 10 to lose the phenomenon that takes place the slope after supporting, falls on the one hand, makes cat guidance tape 10 transfer more steady, and on the other hand can avoid ejector pad 221 to restore to the throne before upper cat guidance tape 10 just drops downwards and blocks the route that restores to the throne of ejector pad 221.

Further, the material blocking frame 24 is further included, the material blocking frame 24 is located at one end of the sliding channel far away from the material storage frame 21, the material blocking frame 24 is assembled to block the end of the sliding channel when the material pressing frame 231 is in the high position, and the material blocking frame 24 can be removed from the end of the sliding channel when the material pressing frame 231 moves to the low position so that the catwalk plate 10 can be pulled away from the end of the sliding channel; the material blocking frame 24 is movably connected with the material storage frame 21, the moving direction of the material blocking frame is parallel to that of the material pressing frame 231, a ninth elastic unit 241 is arranged between the material blocking frame 24 and the material storage frame 21, and the ninth elastic unit 241 is assembled to enable the elastic force of the ninth elastic unit 241 to drive the material blocking frame 24 to move upwards; the cat-way plate 10 is provided with a linkage pin, the linkage pin is assembled in a way that the linkage pin protrudes out of the side wall of the cat-way plate 10 when the cat-way plate 10 is not clamped with the cat-way bearing rope 1, and the linkage pin shrinks inside the cat-way plate 10 when the cat-way plate 10 is clamped with the cat-way bearing rope 1; the linkage pin is fixedly connected with the driving frame 13; when the material pressing frame 231 is located at a high position, the linkage pin of the catwalk plate 10 is just inserted into the through hole 242 formed in the material blocking frame 24 after the catwalk plate 10 enters the sliding channel, at this time, the catwalk plate 10 can simultaneously drive the material blocking frame 24 to move downwards when the material pressing frame 231 moves downwards, and after the catwalk plate 10 and the catwalk bearing rope 1 are clamped tightly, the linkage pin is separated from the through hole 242, the material blocking frame 24 automatically moves upwards to reset under the action of elasticity, so that the drawing path of the catwalk plate 10 is avoided.

Example 2

A construction method for laying a suspension bridge catwalk comprises the following steps:

step 1: setting up catwalk bearing cables 1, catwalk guardrail cables 2 and catwalk traction cables 3, wherein 6-8 catwalk bearing cables 1 are positioned in the same plane, two catwalk guardrail cables 2 are respectively positioned above two catwalk bearing cables 1 at the outermost side, two catwalk traction cables 3 are respectively positioned above the two middle catwalk bearing cables 1, and the catwalk traction cables 3 are connected with a winch;

step 2: installing a cat-way plate 10 laying device 20 on a catwalk bearing rope 1 and a catwalk guardrail rope 2, and connecting the cat-way plate 10 laying device 20 with one catwalk traction rope 3 by using a rope and a traction frame 4;

and step 3: the catwalk board 10 is stacked in the catwalk board 10 laying device 20, the lower part of the catwalk board 10 laying device 20 is placed at the center position of a midspan of the catwalk by using a catwalk traction rope 3, the catwalk board 10 is laid from the center to the end part, and the catwalk board 10 laying device 20 is drawn by the catwalk traction rope 3 to walk to the end part of the catwalk in the laying process;

and 4, step 4: in the laying process, the feeding trolley is pulled by the other catwalk traction rope 3, the catwalk plate 10 is conveyed to the catwalk plate 10 laying device 20 from the end part of the catwalk by the feeding trolley, and the catwalk plate 10 on the catwalk plate 10 laying device 20 is supplemented until the laying of the catwalk plate 10 of the whole catwalk is completed.

In the step 3, the concrete laying method of the catwalk plate 10 is as follows:

step a: pushing the catwalk plate 10 at the lowest layer of the storage rack 21 to the pressing mechanism 23 by using the discharging mechanism 22;

step b: the catwalk plate 10 is pressed on the catwalk bearing rope 1 through the material pressing mechanism 23, so that the catwalk bearing rope 1 is clamped through the first clamping mechanism 11 and the second clamping mechanism 12 of the catwalk plate 10;

step c: the material storage frame 21 is drawn to walk by a step distance, so that the material pressing mechanism 23 is separated from the catwalk plate 10;

step d: and (4) resetting the discharging mechanism 22 and the pressing mechanism 23, and repeating the steps a-c.

Example 3

A method for detaching a catwalk plate comprises the steps of pressing locking plates 114 in the catwalk plate 10 from two sides of the catwalk plate 10 to enable locking grooves 1141 in the locking plates 114 to be opposite to locking pins 115, enabling the locking pins 115 to be pushed into the locking grooves 1141 through the locking pins 115 under the action of second elastic units 1152 to lock first clamping blocks 112 in an opening state, and then lifting the catwalk plate 10 upwards to enable first clamping mechanisms 11 to be separated from catwalk bearing cables 1.

The dismantling method further comprises the following steps: the driving frame 13 in the catwalk plate 10 is pressed along the length direction of the catwalk bearing rope 1, so that the second clamping block 122 moves towards one end of the two guide surfaces which are far away from each other, the second clamping block 122 releases the catwalk bearing rope 1, then the locking plate 114 in the catwalk plate 10 is pressed from the two sides of the catwalk plate 10, the locking groove 1141 on the locking plate 114 is opposite to the locking pin 115, and the locking pin 115 pushes the locking pin 115 into the locking groove 1141 under the action of the second elastic unit 1152, so that the first clamping block 112 is locked in an open state; finally, the catwalk plate 10 is lifted upwards, so that the first clamping mechanism 11 is separated from the catwalk bearing rope 1.

The catwalk plate 10 is sequentially dismantled from the center of the middle span of the catwalk to the two ends of the middle span.

The catwalk plate 10 separated from the catwalk bearing rope 1 is placed on a material conveying trolley, the material conveying trolley is pulled to the end part of the catwalk by using the catwalk traction rope 3, and the catwalk plate 10 is placed on the ground from the end part of the catwalk.

And cleaning and repairing the cat track board 10 after the cat track board 10 is removed, then sending the intact cat track board 10 into a warehouse for storage, and sending the cat track board 10 with faults into the warehouse for storage after the cat track board 10 with faults is repaired.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims (10)

1. The utility model provides a catwalk board for suspension bridge construction which characterized in that: the device comprises a plate-shaped body, wherein a first clamping mechanism (11) for preventing the plate-shaped body from radially displacing along a catwalk bearing rope (1) and a second clamping mechanism (12) for preventing the plate-shaped body from axially displacing along the catwalk bearing rope (1) are arranged at the bottom of the plate-shaped body; still be equipped with the linkage trigger mechanism in the platelike body, the linkage trigger mechanism is assembled and can drive first clamping mechanism (11) and second clamping mechanism (12) and press from both sides tight catwalk bearing cable (1) when platelike body is placed on catwalk bearing cable (1) and exert the downforce to platelike body.

2. The catwalk panel for suspension bridge construction according to claim 1, wherein: first clamping mechanism (11) include opening decurrent strip groove (111) that the platelike body bottom set up to and strip groove (111) opening part along strip groove (111) width direction activity with closed or open a first clamp splice (112) of strip groove (111) opening, linkage trigger mechanism is assembled and can be driven first clamp splice (112) and switch over to the closed condition by the open mode when catwalk bearing cable (1) card is gone into in strip groove (111) and extrudees strip groove (111) top surface.

3. The catwalk plate for suspension bridge construction according to claim 2, wherein: the linkage trigger mechanism comprises a first elastic unit (113) and a first locking unit, wherein the first elastic unit (113) is assembled to enable the elastic force of the first clamping block (112) to drive the first clamping block (112) to move from the opening state to the closing state, the first locking unit is assembled to enable the first clamping block (112) to be kept in the opening state when the first clamping block (112) is in the opening state, and the first locking unit releases the first clamping block (112) to enable the first clamping block (112) to move to the closing state under the action of the first elastic unit (113) when the catwalk bearing rope (1) presses the top surface of the strip groove (111).

4. The catwalk panel for suspension bridge construction according to claim 3, wherein: the first elastic unit (113) is a pressure spring arranged between the first clamping block (112) and the plate-shaped body; the first locking unit comprises a locking plate (114) fixedly connected with the first clamping block (112) and a locking pin (115) movably arranged in the direction perpendicular to the plate surface of the plate-shaped body, a locking groove (1141) in plug-in fit with the locking pin (115) is formed in the locking plate (114), when the first clamping block (112) is in an opening state, the locking pin (115) and the locking groove (1141) are arranged oppositely in the vertical direction of the plate-shaped body surface, a mandril (1151) is arranged at the lower end of the locking pin (115), the mandril (1151) protrudes into the strip groove (111), when the top surface of the strip groove (111) is extruded by the catwalk bearing rope (1), the mandril (1151) can be extruded to enable the locking pin (115) to be lifted upwards and separated from the locking groove (1141), a second elastic unit (1152) is arranged between the locking pin (115) and the plate-shaped body, and the second elastic unit (1152) is assembled to drive the elastic force of the locking pin (115) to reset downwards, the locking plate (114) is further provided with a strip-shaped avoiding groove (1142) used for avoiding the ejector rod (1151) when the locking plate (114) moves along with the first clamping block (112).

5. The catwalk panel for suspension bridge construction according to claim 4, wherein: the second clamping mechanism (12) comprises second clamping blocks (122) and clamping seats (121), the second clamping blocks (122) are arranged in the clamping seats (121) in pairs in a group, inclined surfaces are arranged on the back sides of the two second clamping blocks (122) in the same group, the inclined surfaces on the two second clamping blocks (122) are arranged in a splayed manner, two guide surfaces which are oppositely arranged and arranged in a splayed manner are arranged in the clamping seats (121), and the inclined surfaces of the two second clamping blocks (122) are respectively in sliding fit with the two guide surfaces; the two second clamping blocks (122) are provided with semicircular clamping grooves towards opposite sides, clamping cavities formed when the two semicircular clamping grooves are closed are opposite to the strip grooves (111) along the length direction of the strip grooves (111), a third elastic unit (14) is arranged between the two second clamping blocks (122) and the clamping seat (121) or the plate-shaped body, and the third elastic unit (14) is assembled in a way that the elastic force of the third elastic unit can drive the two second clamping blocks (122) to slide towards the direction that the two guide surfaces are gradually narrowed; the linkage trigger mechanism further comprises a second locking unit which can keep the second clamping block (122) at the position when the second clamping block (122) is located at one end, far away from the two guide surfaces, of the second clamping block, and can release the second clamping block (122) after the catwalk bearing rope (1) is clamped into the strip groove (111), so that the second clamping block (122) moves towards the direction, gradually narrowed towards the two guide surfaces under the action of the third elastic unit (14), and the two second clamping blocks (122) are mutually folded under the action of the guide surfaces to clamp the catwalk bearing rope (1).

6. The catwalk panel for suspension bridge construction according to claim 5, wherein: the second locking unit comprises a driving frame (13), the second clamping block (122) is in sliding fit with the driving frame (13) along the width direction of the strip groove (111), the driving frame (13) is in sliding fit with the plate-shaped body along the length direction of the strip groove (111), the third elastic unit (14) is a compression spring assembled between the driving frame (13) and the plate-shaped body, a limiting block (117) which is mutually blocked is arranged between the driving frame (13) and the locking plate (114), the limiting block (117) is assembled to be mutually blocked to prevent the driving frame (13) from moving towards the direction that the two guide surfaces are narrowed when the first clamping block (112) is in an opening state and the second clamping block (122) is positioned at one end where the two guide surfaces are far away from each other so as to drive the two first clamping blocks (13) to move towards the direction that the two guide surfaces are narrowed under the action of the third elastic unit (14) when the first clamping block (112) is positioned in a closing state, and the limiting block (117) is mutually separated to enable the driving frame (13) to move towards the direction that the two The two clamping blocks (122) are clamped.

7. The catwalk panel for suspension bridge construction according to claim 6, wherein: still be equipped with interlocking mechanism between first clamping mechanism (11) and the second clamping mechanism (12), interlocking mechanism includes first wedge block (131) that set up on driving frame (13) and second wedge block (116) that set up on locking plate (114), the inclined plane of first wedge block (131) and second wedge block (116) is mutually supported and both are assembled and when driving frame (13) move to the direction that two guide faces narrow down first wedge block (131) can extrude second wedge block (116) and make first clamp splice (112) by the tight closed condition of being supported.

8. The catwalk panel for suspension bridge construction according to claim 7, wherein: the strip grooves (111) are arranged in parallel, and the first clamping blocks (112) in the strip grooves (111) are fixedly connected with the same locking plate (114).

9. The catwalk panel for suspension bridge construction according to claim 7, wherein: the first clamping blocks (112) are arranged at intervals along the length direction of the strip grooves (111), the closing directions of the adjacent first clamping blocks (112) are opposite, the locking plates (114) on the adjacent first clamping blocks (112) share the same locking pin (115), and the locking grooves (1141) are semicircular groove bodies formed in the opposite sides of the adjacent locking plates (114).

10. The utility model provides a construction system is laid to suspension bridge catwalk which characterized in that: comprising the catwalk board (10) as claimed in any of claims 1 to 9.

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