CN117286806A - Bridge sideslip mechanism and bridge construction equipment - Google Patents

Abstract

The application relates to a bridge sideslip mechanism and bridge construction equipment. Bridge sideslip mechanism includes slide subassembly, first slider and second slider, first slider sets up on the slide rail of slide subassembly, and the second slider sets up on the slip starting point of first slider and is located the spacing inclined plane and be located one side in slide terminal dorsad, and the gravity of bridge deck truss is applyed at the slip starting point through the second slider, can make the slide terminal of first slider take place slight perk, makes slide terminal can easily stride across the junction of temporary support work platform and pier, and then makes slip starting point and second slider easily stride across the junction of temporary support work platform and pier. After the first sliding part slides in place, the second sliding part overcomes the friction force of the limiting inclined plane to continuously slide on the first sliding part, so that the moving stroke of the bridge deck truss is increased. The first sliding piece and the second sliding piece are matched, so that the second sliding piece can move more smoothly, and the construction efficiency is ensured.

Description

Bridge sideslip mechanism and bridge construction equipment

Technical Field

The application relates to the technical field of bridge construction, in particular to a bridge transverse moving mechanism and bridge construction equipment.

Background

In some bridge construction, the bridge can be built in a bridge pushing mode, the construction cost is low, and the construction is stable. During construction, temporary support working platforms are arranged at two sides of the bridge pier, and the bridge deck truss slides to the upper side of the bridge pier through the cooperation of the sliding blocks and the sliding rails. However, the pressure of bridge deck truss passes through the slider and transmits to on the support work platform, and then leads to support work platform to be bent and warp, and the pier itself can not take place like the deformation of support work platform because of the pressure of bridge deck truss, and then lead to the support work platform highly being less than the pier under the pressure effect of bridge deck truss, lead to the slider to appear when by the position that aligns with support work platform slides to the pier because the step structure that deformation leads to the difference in height to form, lead to the slider to slide smoothly to the pier on, and then influence the top pushing construction of bridge deck truss.

Disclosure of Invention

Accordingly, it is necessary to provide a bridge traversing mechanism and a bridge construction equipment for solving the problem that the sliding blocks of the bridge deck truss cannot smoothly slide onto the bridge piers from the bracket work platform to affect the pushing construction of the bridge deck truss.

The bridge transverse moving mechanism comprises a slideway component, a first sliding piece and a second sliding piece, wherein the slideway component comprises a sliding rail, the sliding rail is used for crossing a temporary support working platform and a pier, the length direction of the sliding rail is a transverse moving direction, and the transverse moving direction is the direction from one side of the temporary support working platform to the pier; the first sliding piece is arranged on the sliding rail in a sliding manner, two opposite ends of the first sliding piece are respectively a sliding initial end and a sliding terminal end, and the direction from the sliding initial end to the sliding terminal end is the transverse moving direction; a limiting inclined plane is formed on the sliding initial end of the first sliding part, and the limiting inclined plane is obliquely arranged upwards along the transverse moving direction; the second sliding piece is arranged on the sliding starting end of the first sliding piece and is positioned on one side of the limiting inclined surface, which is opposite to the sliding terminal, and can slide from the sliding starting end to the sliding terminal along the limiting inclined surface, and the second sliding piece is used for supporting a bridge deck truss; the length of the second sliding piece is smaller than that of the first sliding piece, and the length of the first sliding piece is smaller than that of the sliding rail.

In one embodiment, the bridge traversing mechanism further comprises a traction assembly, the traction assembly comprises a pushing piece, a traction rope and a fixed pulley, the fixed pulley is rotatably arranged at the end part of the sliding terminal of the first sliding piece, one end of the pushing piece is arranged on the first sliding piece in a reciprocating manner along the traversing direction, the other end of the pushing piece protrudes from the end part of the sliding terminal, one end of the traction rope is arranged on the second sliding piece, and the other end of the traction rope bypasses the fixed pulley to be connected to the pushing piece; the slide assembly further comprises a limiting piece, the limiting piece is arranged on the slide rail, and the pushing piece moves along the transverse moving direction along the first sliding piece and can be abutted to the limiting piece.

In one embodiment, a moving hole is formed in an end face of the sliding terminal of the first sliding member, and one end of the pushing member can be movably arranged in the moving hole in a penetrating manner along the transverse moving direction.

In one embodiment, the traction assembly further comprises a guide wheel, a steering wheel and a fixing piece, wherein the steering wheel is rotatably arranged on the pushing part and located in the moving hole, the guide wheel is rotatably arranged at an opening of the moving hole, which is close to the fixed pulley, the fixing piece is fixed in the moving hole and located at one side, facing the guide wheel, of the steering wheel, and the other end of the traction rope sequentially bypasses the fixed pulley, the guide wheel and the steering wheel and is fixed on the fixing piece.

In one embodiment, the pushing member comprises a pushing rod and a piston unit, one end of the piston unit is connected to the pushing rod and is positioned in the moving hole, the other end of the pushing rod extends out of the moving hole, a space on one side, facing away from the pushing rod, of the piston unit is formed into a lubrication cavity, and the lubrication cavity is used for storing lubricating oil; and the limiting inclined plane is provided with an oil guide hole which is communicated with the lubricating cavity.

In one embodiment, the oil guide hole is formed in a position, close to the sliding terminal, of the limiting inclined plane, and penetrates through to an inner end face, facing the piston unit, of the lubrication cavity or penetrates through to an inner side face, close to the inner end face, facing the piston unit, of the lubrication cavity.

In one embodiment, the piston unit comprises a first piston body and a second piston body, the first piston body is connected to one end of the pushing rod, the second piston body is arranged on one side of the first piston body, which is opposite to the pushing rod, and is arranged at intervals with the first piston body, and a gas cavity is formed in a space between the first piston body and the second piston body;

the first sliding piece is also provided with a vent hole communicated with the moving hole, and in an initial state, the second piston body is positioned in the vent hole and covers and seals the vent hole; when the pushing rod moves towards the direction of the first piston body, the second piston body can be pushed to compress the lubrication cavity until the second piston body is limited on the inner end face of the lubrication cavity towards the second piston body, the second piston body releases the cover of the vent hole, and the vent hole is communicated with the gas cavity.

In one embodiment, a limiting pull rope is arranged in the lubrication cavity, one end of the limiting pull rope is connected to the second piston body, and the other end of the limiting pull rope is connected to the inner wall of the lubrication cavity.

In one embodiment, a gear projection is arranged on the inner end surface of the lubrication cavity facing the second piston body, and the second piston body can be abutted against the gear projection, so that a gap is formed between the second piston body and the inner end surface of the lubrication cavity.

The bridge construction equipment comprises a temporary support working platform and the bridge traversing mechanism, wherein the temporary support working platform is erected on one side of a bridge pier; the slide way assembly spans the temporary support working platform and the bridge pier, the first sliding part can slide to the bridge pier along the transverse moving direction on the slide rail by the temporary support working platform, and the second sliding part can slide to the sliding terminal from the sliding starting end of the first sliding part.

Above-mentioned bridge sideslip mechanism and bridge construction equipment, when being under construction, put up temporary support work platform in the both sides of pier earlier, then erect the slide subassembly on temporary support work platform and pier to make the slide rail length direction of slide subassembly be sideslip direction setting. Because the deformation resistance of pier is greater than temporary support work platform, and then can press the temporary support work platform to warp when the gravity effect of bridge deck truss on temporary support work platform, lead to appearing the difference in height between temporary support work platform and the pier, influence the removal of bridge deck truss along sideslip direction. Because the first slider sets up on the slide rail, the second slider sets up on the first slider, and the length of second slider is less than the length of first slider, and the second slider sets up on the slip beginning of first slider and is located the spacing inclined plane and be away from the one side of slip terminal. The bridge deck truss sets up at the second slider, and the gravity of bridge deck truss is applyed at the slip initiation end of first slider through the second slider, can make the effect that slightly perk takes place for the slip termination of first slider. Through promoting bridge floor truss removal, utilize spacing inclined plane can restrict the second slider and slide on first slider, and then realize that first slider slides on the slide rail to make the junction of temporary support work platform and pier can easily be striden to the slip terminal of first slider. When the second sliding part slides to the connection part of the temporary support working platform and the pier along with the first sliding part, the sliding terminal of the first sliding part slides to the pier at the moment, so that the sliding initial end of the first sliding part can more easily cross the connection part of the temporary support working platform and the pier, and further the second sliding part can more easily cross the connection part of the temporary support working platform and the pier. When the first sliding part slides in place, the bridge deck truss is continuously pushed to move, so that the second sliding part overcomes the friction force of the limiting inclined plane to push the second sliding part to slide from the sliding initial end to the sliding terminal end on the first sliding part, and the moving stroke of the bridge deck truss in the transverse moving direction is increased. The bridge traversing mechanism utilizes the cooperation of the first sliding piece and the second sliding piece, so that the second sliding piece can more smoothly cross the joint of the temporary support working platform and the bridge pier, and the efficiency of pushing construction of the bridge deck truss is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Moreover, the figures are not drawn to a 1:1 scale, and the relative sizes of various elements are merely exemplary in the figures, and are not necessarily drawn to true scale. In the drawings:

fig. 1 is a schematic structural view of bridge construction equipment in an embodiment.

Fig. 2 is a cross-sectional view of the bridge traversing mechanism of fig. 1 in a first state.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 2.

Fig. 5 is a cross-sectional view of the bridge traversing mechanism of fig. 1 in a second state.

Fig. 6 is an enlarged view at C in fig. 5.

Fig. 7 is a cross-sectional view of the bridge traversing mechanism of fig. 1 in a third state.

Fig. 8 is an enlarged view of D in fig. 7.

Reference numerals illustrate:

10. Bridge construction equipment; 100, a temporary support working platform; 200, a bridge traversing mechanism; 210, a slideway component; 212, sliding rails; 214, a limiting piece; 220, a first sliding piece; 221, sliding a starting end; 222, a sliding terminal; 223, limiting inclined planes; 2231, an oil guide hole; 224, moving the hole; 2241, a lubrication cavity; 2242, a gas cavity; 225, a vent hole; 226, a chute; 230, a second sliding piece; 240, a traction assembly; 241, a pushing piece; 242, pulling ropes; 243, a fixed pulley; 244, steering wheels; 245, a fixing piece; 246, a guide wheel; 247, pushing a rod; 248, a piston unit; 2482, a first piston body; 2484, a second piston body; 249. limiting pull ropes; 2492. a gear projection;

20. bridge piers; 30. bridge deck truss.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

Referring to fig. 1 and 2, the bridge construction apparatus 10 in an embodiment of the present application can at least improve the efficiency of bridge construction and ensure the construction progress. Specifically, the bridge construction apparatus 10 includes a temporary support working platform 100 and a bridge traversing mechanism 200, wherein the temporary support working platform 100 is erected on one side of the bridge pier 20, the bridge traversing mechanism 200 is disposed on the temporary support working platform 100 and the bridge pier 20, and the bridge traversing mechanism 200 is used for realizing traversing of the bridge deck truss 30, so that the bridge deck truss 30 can be traversed onto the bridge pier 20.

Specifically, the bridge traversing mechanism 200 includes a slideway assembly 210, a first sliding member 220 and a second sliding member 230, the slideway assembly 210 includes a slideway 212, a slideway 212 is used for crossing over the temporary support working platform 100 and the bridge pier 20, the length direction of the slideway 212 is a traversing direction a, and the traversing direction a is the direction from the temporary support working platform 100 to the bridge pier 20. The first sliding member 220 is slidably disposed on the sliding rail 212, two opposite ends of the first sliding member 220 are a sliding start end 221 and a sliding end 222, and a direction from the sliding start end 221 to the sliding end 222 is a traverse direction a; the sliding start 221 of the first slider 220 is formed with a limiting slope 223, and the limiting slope 223 is disposed obliquely upward along the traversing direction a. The second sliding member 230 is disposed on the sliding start 221 of the first sliding member 220 and located on a side of the limiting slope 223 opposite to the sliding terminal 22, the second sliding member 230 is capable of sliding from the sliding start 221 to the sliding terminal 222 along the limiting slope 223, and the second sliding member 230 is used for supporting the bridge deck truss 30; wherein, the length of the second sliding member 230 is smaller than the length of the first sliding member 220, and the length of the first sliding member 220 is smaller than the length of the sliding rail 212.

During construction, temporary support working platforms 100 are firstly built on two sides of the bridge pier 20, and then the slideway assembly 210 is erected on the temporary support working platforms 100 and the bridge pier 20, so that the length direction of the slideway 212 of the slideway assembly 210 is in a transverse direction a. Because the deformation resistance of pier 20 is greater than temporary support work platform 100, and then can press the temporary support work platform 100 to warp when the gravity effect of bridge deck truss 30 on temporary support work platform 100, and then lead to appearing the difference in height between temporary support work platform 100 and the pier 20, influence the removal of bridge deck truss 30 along sideslip direction a.

If the height difference caused by the deformation of the temporary support working platform 100 is overcome, when the temporary support working platform 100 is erected, the height of the temporary support working platform 100 is set to be higher than that of the pier 20, then the reliability of the installation between the slide assembly 210 and the pier 20 is affected because the height difference exists between the temporary support working platform 100 and the pier 20 in the initial state, when the slide assembly 210 is paved, the slide assembly 210 cannot be effectively attached to the pier 20. Although the problem of the height difference of the temporary support work platform 100 due to the gravity of the deck truss 30 is solved, the problem of the installation reliability of the chute assembly 210 is generated, and thus the stability of the movement of the deck truss 30 on the chute assembly 210 in the traversing direction a is affected.

Referring to fig. 2, 5 and 7, with the bridge traversing mechanism 200, since the first sliding member 220 is disposed on the sliding rail 212, the second sliding member 230 is disposed on the first sliding member 220, and the length of the second sliding member 230 is smaller than that of the first sliding member 220, the second sliding member 230 is disposed on the sliding start 221 of the first sliding member 220 and is located at a side of the limiting slope 223 opposite to the sliding end 222. The bridge deck truss 30 is disposed on the second slider 230, and gravity of the bridge deck truss 30 is applied to the sliding start 221 of the first slider 220 through the second slider 230, so that the sliding end 222 of the first slider 220 is slightly tilted. By pushing the bridge deck truss 30 to move, the second sliding member 230 can be limited to slide on the first sliding member 220 by using the limiting inclined plane 223, so that the first sliding member 220 can slide on the sliding rail 212, and the sliding terminal 222 of the first sliding member 220 can easily span the joint of the temporary support working platform 100 and the bridge pier 20. When the second sliding member 230 slides along with the first sliding member 220 to the connection position of the temporary support working platform 100 and the pier 20, the sliding terminal 222 of the first sliding member 220 has already slid onto the pier 20, so that the sliding start 221 of the first sliding member 220 more easily spans the connection position of the temporary support working platform 100 and the pier 20, and further, the second sliding member 230 more easily spans the connection position of the temporary support working platform 100 and the pier 20. When the first sliding member 220 slides in place, the bridge truss 30 is pushed to move, so that the second sliding member 230 overcomes the friction force of the limiting slope 223 to push the second sliding member 230 to slide from the sliding start end 221 to the sliding end 222 on the first sliding member 220, and the moving stroke of the bridge truss 30 in the traversing direction a is increased. The bridge traversing mechanism 200 utilizes the cooperation of the first sliding piece 220 and the second sliding piece 230, so that the second sliding piece 230 can more smoothly cross the joint of the temporary support working platform 100 and the bridge pier 20, and the efficiency of pushing construction of the bridge deck truss 30 is ensured.

In one embodiment, the bridge construction apparatus 10 further includes a pushing component (not shown) disposed on the temporary support working platform 100, where the pushing component is configured to push the bridge deck truss 30 to move along the traversing direction a. During construction, the bridge deck truss 30 is arranged on the second sliding piece 230, the pushing component pushes the bridge deck truss 30 to move along the transverse moving direction a, and the bridge deck truss 30 slides on the sliding rail 212 by utilizing the second sliding piece 230 and the first sliding piece 220, so that the bridge deck truss 30 is moved. By providing the pushing assembly, motive power for movement of deck truss 30 can be provided.

In one embodiment, the bridge construction apparatus 10 further includes a jacking assembly (not shown) disposed on the temporary support work platform 100, the jacking assembly being liftable relative to the temporary support work platform 100 and configured to prop up the deck truss 30 by the second slider 230. After the deck truss 30 is moved into position by the first slider 220 and the second slider 230, the deck truss 30 is lifted up by the second slider 230 by the lifting assembly relative to the temporary support work platform 100, so that the deck truss 30 is separated from the second slider 230. At this time, the slideway assembly 210, the first sliding member 220 and the second sliding member 230 can be detached from the bridge pier 20. And then the jacking assembly drives the bridge deck truss 30 to descend so that the bridge deck truss 30 is placed on the bridge pier 20, and the purpose that the bridge deck truss 30 moves to the bridge pier 20 and is positioned and installed on the bridge pier 20 is achieved.

In particular, the jacking assembly may be a jack. The number of the jacking components can be two, the two jacking components are respectively arranged on the temporary support working platforms 100 on two sides of the bridge pier 20, the bridge deck truss 30 can be respectively jacked from two sides of the bridge pier 20, and the reliability of jacking the bridge deck truss 30 is improved.

As shown in fig. 1, in an embodiment, the length of the first slider 220 is smaller than the length of the temporary support work platform 100 in the traversing direction a. When the length of the temporary support working platform 100 is greater, the length of the first sliding member 220 may be smaller than that of the temporary support working platform 100, and the gravity of the bridge deck truss 30 is applied to the sliding start end 221 of the first sliding member 220 through the second sliding member 230, so that the sliding terminal 222 of the first sliding member 220 is convenient to effectively straddle the pier 20, the overlong first sliding member 220 is avoided, the friction force between the first sliding member 220 and the sliding rail 212 is increased, and the cost of the first sliding member 220 is increased.

Of course, in other embodiments, the length of the first slider 220 may be greater than the length of the temporary support work platform 100 in the traversing direction a. In the initial state, the sliding terminal 222 of the first sliding member 220 is located on the pier 20, and the sliding start 221 of the first sliding member 220 is located on the temporary support working platform 100, so as to further avoid the need of crossing the connection between the temporary support working platform 100 and the pier 20 during the sliding process of the first sliding member 220.

In one embodiment, the coefficient of friction between the first slider 220 and the sliding rail 212 is smaller than the coefficient of friction between the second slider 230 and the first slider 220. When the bridge deck truss 30 is pushed to move along the traversing direction a, the friction coefficient between the first sliding member 220 and the sliding rail 212 is smaller than that between the second sliding member 230 and the first sliding member 220, so that the first sliding member 220 is further ensured to slide on the sliding rail 212, and when the first sliding member 220 slides in place, the second sliding member 230 overcomes the friction force caused by the limiting inclined surface 223 to slide on the first sliding member 220.

Referring to fig. 2 to 5, in an embodiment, the bridge traversing mechanism 200 further includes a traction assembly 240, the traction assembly 240 includes a pushing member 241, a traction rope 242 and a fixed pulley 243, the fixed pulley 243 is rotatably disposed at an end of the sliding terminal 222 of the first sliding member 220, one end of the pushing member 241 is reciprocally disposed on the first sliding member 220 along the traversing direction a, the other end protrudes from the end of the sliding terminal 222, one end of the traction rope 242 is disposed on the second sliding member 230, and the other end bypasses the fixed pulley 243 to be connected to the pushing member 241.

As shown in fig. 1, in an embodiment, the slide assembly 210 further includes a limiting member 214, the limiting member 214 is disposed on the slide rail 212, and the pusher shoe 241 moves along the traversing direction a along with the first sliding member 220 and can abut against the limiting member 214.

Because the other end of the pushing element 241 protrudes from the end of the sliding terminal 222, when the first sliding element 220 slides in place, the pushing element 241 is firstly abutted against the limiting element 214 along with the first sliding element 220, and then the limiting element 214 can push the pushing element 241 to move along the opposite direction of the traversing direction a relative to the first sliding element 220, and because the other end of the pulling rope 242 bypasses the fixed pulley 243 and is connected to the pushing element 241, the pushing element 241 can further pull the pulling rope 242, so that one end of the pulling rope 242 pulls the second sliding element 230, and a pulling force is provided for the second sliding element 230 to slide towards the limiting inclined plane 223. Therefore, the second sliding member 230 is further convenient for sliding on the limiting inclined plane 223 by the pushing force of the bridge deck truss 30 and the pulling force of the pushing member 241 through the pulling rope 242, so as to overcome the friction force caused by the limiting inclined plane 223.

Specifically, the limiting member 214 is movably disposed on the sliding rail 212, and the moving direction of the limiting member 214 relative to the sliding rail 212 is a traverse direction a. By controlling the limiting member 214 to move on the sliding rail 212, the sliding position of the first sliding member 220 can be limited, and thus the moving position of the bridge deck truss 30 can be limited, and the accuracy of positioning the bridge deck truss 30 on the bridge pier 20 can be improved.

Further, the stop 214 is retractable relative to the rail 212. The limiting member 214 stretches and contracts relative to the sliding rail 212, so that whether the limiting member 214 limits the position of the first sliding member 220 or not can be adjusted to adapt to different occasion of transverse movement of the bridge deck truss 30.

Referring to fig. 2 and 3, in an embodiment, a moving hole 224 is formed on an end surface of the sliding terminal 222 of the first sliding member 220, and one end of the pushing member 241 can be movably disposed in the moving hole 224 along the traversing direction a. The axial direction of the moving hole 224 is a traversing direction a. By arranging the moving holes 224, a space can be provided for the installation and movement of the pushing element 241, the moving direction of the pushing element 241 is further limited, and the pulling effect of the pulling rope 242 is ensured.

In one embodiment, the traction assembly 240 further includes a steering wheel 244 and a fixing member 245, the steering wheel 244 is rotatably disposed on the pushing member 241 and located in the moving hole 22, the fixing member 245 is fixed in the moving hole 224 and located at a side of the steering wheel 244 facing the opening of the moving hole 224, and the other end of the traction rope 242 sequentially passes around the fixed pulley 243 and the steering wheel 244 and is fixed on the fixing member 245. As shown in fig. 2, 5 and 7, when the pushing member 241 moves in the opposite direction of the traverse direction a in the moving hole 224, the pushing member 241 moves with the steering wheel 244 due to the unchanged position of the fixing member 245, and the pulling rope 242 bypasses the steering wheel 244 and is fixed on the fixing member 245, so that one end of the pulling rope 242 can be pulled to move along the traverse direction a, and the second slider 230 is pulled to move along the traverse direction a. And the traction rope 242 bypasses the steering wheel 244, so that the moving distance of the second sliding piece 230 is twice that of the pushing piece 241, the hole depth of the moving hole 224 is reduced, and the length of the pushing piece 241 is reduced.

In one embodiment, the traction assembly 240 further includes a guide wheel 24, the guide wheel 24 is rotatably disposed at an opening of the moving hole 224 near the fixed pulley 243, the fixing member 245 is fixed in the moving hole 224 and located at a side of the steering wheel 244 facing the guide wheel 246, and the other end of the traction rope 242 sequentially passes around the fixed pulley 243, the guide wheel 24 and the steering wheel 244 and is fixed on the fixing member 245. By arranging the guide wheels 246, a guiding effect can be provided for the traction rope 242 to be wound on the steering wheel 244 by the fixed pulley 243, so that the traction rope 242 is prevented from directly rubbing against the inner wall of the first sliding piece 220 or the moving hole 224, and the traction rope 242 is effectively protected.

In other embodiments, the guide wheel 246 and the steering wheel 244 may be omitted, the fixing member 245 is fixed on the pushing member 241, and the other end of the traction rope 242 is fixed on the fixing member 245. The other end of the traction rope 242 is directly fixed on the fixing piece 245, so that the pushing piece 241 can directly pull the traction rope 242 and further pull the second sliding piece 230 to move on the first sliding piece 220.

Referring to fig. 4 to 6, in one embodiment, the pushing member 241 includes a pushing rod 247 and a piston unit 248, one end of the piston unit 248 is connected to the pushing rod 247 and is located in the moving hole 224, the other end of the pushing rod 247 extends out of the moving hole 224, a space on a side of the piston unit 248 opposite to the pushing rod 247 is formed as a lubrication cavity 2241, and the lubrication cavity 224 is used for storing lubricating oil; the limiting inclined surface 223 is provided with an oil guide hole 2231, and the oil guide hole 2231 is communicated with a lubricating cavity 2241. Specifically, the steering wheel 244 is provided on the push rod 247.

Since the lubricating oil is stored in the lubricating chamber 2241, when the first slider 220 is about to move in place, the pushing rod 247 is pushed by the limiting member 214, so as to push the piston unit 248 to compress the lubricating chamber 2241, so that the lubricating oil in the lubricating chamber 2241 is conveniently extruded out of the guiding and limiting inclined surface 223 through the oil guiding hole 2231. Meanwhile, the pushing rod 247 can pull the pulling rope 242, and further pull the second sliding member 230 to move towards the direction of the limiting inclined plane 223, and the lubricating oil extruded through the oil guiding hole 2231 is arranged on the limiting inclined plane 223, so that the sliding friction force of the second sliding member 230 on the limiting inclined plane 223 can be effectively reduced, and the sliding starting end 221 of the second sliding member 230 slides from the sliding starting end 221 of the first sliding member 220 to the sliding terminal 222 through the limiting inclined plane 223 more smoothly. By the cooperation of the pushing rod 247 and the piston unit 248, when the second slider 230 is required to slide on the first slider 220, the friction force of the second slider 230 with respect to the first slider 220 can be reduced, and the pulling force applied to the second slider 230 can be provided, so that the smoothness of the sliding of the second slider 230 on the first slider can be further improved.

In the present embodiment, the oil guiding hole 2231 is formed at a position where the limiting slope 223 is close to the sliding terminal 222. Since the position of the limiting slope 223 near the sliding terminal 222 is high, and thus the oil guiding hole 2231 is opened at the position, the extruded lubricating oil can automatically flow along the limiting slope 223, and thus the whole limiting slope 223 is filled, and the lubricating effect is improved. Of course, in other embodiments, the oil guiding hole 2231 may be formed at other positions of the limiting slope 223.

Specifically, the number of the oil guide holes 2231 may be one, two or more, as long as the lubricating oil in the lubricating chamber 2241 can be extruded from the oil guide holes 2231 onto the limiting slope 223 by the piston unit 248.

In one embodiment, the oil guide hole 2231 extends through the lubrication chamber 2241 toward the inner end surface of the piston unit 248. In another embodiment, the oil guide hole 2231 extends through to an inner side surface near the inner end surface of the lubrication chamber 2241 toward the piston unit 248. Because the piston unit 248 moves towards the inner end surface of the lubrication chamber 2241 under the pushing of the pushing rod 247, the oil guiding hole 2231 is penetrated to the inner end surface of the lubrication chamber 2241 towards the piston unit 248 or the inner side surface of the lubrication chamber 2241 towards the inner end surface of the piston unit 248, so that the lubricating oil in the lubrication chamber 2241 can be conveniently extruded out through the oil guiding hole 2231, and the influence on the discharge of the lubricating oil caused by the blocking of the oil guiding hole 2231 in the moving process of the piston unit 248 is avoided.

Referring to fig. 4 to 8, in one embodiment, the piston unit 248 includes a first piston body 2482 and a second piston body 2484, the first piston body 2482 is connected to one end of the pushing rod 247, the second piston body 2484 is disposed on a side of the first piston body 2482 opposite to the pushing rod 247 and is spaced from the first piston body 2482, and a gas chamber 2242 is formed between the first piston body 2482 and the second piston body 2484. The first slider 220 is further provided with a vent hole 225 communicating with the moving hole 224, and in the initial state, the second piston body 2484 is positioned at the vent hole 225 and covers and seals the vent hole 22 5; when the pushing rod 247 moves toward the first piston body 2482, the second piston body 2484 can be pushed to compress the lubrication chamber 2241 until the second piston body 2484 is limited on the inner end surface of the lubrication chamber 2241 toward the second piston body 2484, the second piston body 2484 releases the cover of the vent hole 225, and the vent hole 225 communicates with the gas chamber 2242.

As shown in fig. 2 and 4, the initial state may be understood that the second slider 230 is located at the sliding start 221 of the first slider 220, and the limiting slope 223 is located at the side of the second slider 230 facing the sliding end 222, where the second slider 230 has not yet slid onto the limiting slope 223. Second piston body 2484 is positioned over vent hole 225 and covers and seals vent hole 225, then gas chamber 2242 is a sealed chamber. As shown in fig. 5 and 6, when the pushing rod 247 pushes the first piston body 2482 to move, the second piston body 2484 can be pushed synchronously to compress the lubrication chamber 2241. When second piston body 2484 is restrained against movement on the inner end surface of lubrication chamber 2241 facing second piston body 2484, at this time second piston body 2484 releases the cover of vent hole 225, and vent hole 225 communicates with gas chamber 2242. As shown in fig. 7 and 8, when pushing the pushing rod 247 again, the pushing rod 247 only pushes the first piston body 2482 to move, but the second piston body 2484 does not move any more, and at this time, the pushing rod 247 only pulls the second slider 230 to move on the first slider 220 through the pulling rope 242, so that on one hand, a pulling force can be continuously provided for the movement of the second slider 230 on the first slider 220, and on the other hand, the pulling rope 242 can be tensioned, so that the pulling rope 242 is prevented from falling and accumulating on the first slider 220, and the sliding of the second slider 230 on the first slider is prevented from being affected.

In this embodiment, the vent hole 225 may be formed on a side surface of the first slider 220, so as to prevent the second slider 230 from sliding on the first slider 220 to block the vent hole 225, thereby affecting the movement of the first piston body 2482.

In an embodiment, the first sliding member 220 is further provided with a sliding groove 226, the second sliding member 230 is disposed in the sliding groove 226, and the limiting slope 223 is formed on the bottom surface of the sliding groove 226. By providing the chute 226, the sliding direction of the second slider 230 can be effectively defined, and the sliding reliability of the second slider 230 on the first slider 220 can be improved.

As shown in fig. 4, in one embodiment, a limiting pull rope 249 is disposed in the lubrication chamber 2241, and one end of the limiting pull rope 249 is connected to the second piston body 2484, and the other end is connected to the inner wall of the lubrication chamber 2241. When the pushing rod 247 and the piston unit 248 are in the state shown in fig. 7 and 8, when the pushing rod 247 and the piston unit 248 need to be reset, the pushing rod 247 and the first piston body 2482 can be moved and reset to the state shown in fig. 5 and 6 along the traversing direction a, and at this time, the gas chamber 2242 is communicated with the outside through the vent hole 225, so that at this time, the second piston body 2484 cannot be reset along with the movement of the first piston body 2482. Then, lubricating oil can be introduced into the lubricating chamber 2241 through the oil guiding hole 2231, and the lubricating oil gradually pushes the second piston body 2484 towards the direction of the first piston body 2482 until the limit pull rope 249 is tensioned, as shown in fig. 2 and 4, at this time, the second piston body 2484 covers and seals the vent hole 225, so that the gas chamber 2242 becomes a sealed chamber. The reset position of the second piston body 2484 can be effectively limited by arranging the limiting pull rope 249, so that the vent 225 can be effectively blocked in the reset process of the second piston body 2484.

As shown in fig. 4 and 6, in an embodiment, a gear protrusion 2492 is disposed on an inner end surface of the lubrication chamber 2241 facing the second piston body 2484, and the second piston body 2484 can abut against the gear protrusion 2492, so that a gap is formed between the second piston body 2484 and the inner end surface of the lubrication chamber 2241. By providing the gear protrusion 2492, it is possible to facilitate a clearance between the second piston body 2484 and the inner end surface of the lubrication chamber 2241, and further, when lubricating oil is introduced into the lubrication chamber 2241 through the oil guiding hole 2231, the lubricating oil can be effectively filled between the second piston body 2484 and the inner end surface of the lubrication chamber 2241, and the second piston body 2484 is pushed in the direction of the first piston body 2482.

Specifically, one end of the limiting pull cord 249 is connected to the second piston body 2484, and the other end is connected to the shift projection 2492.

Above-mentioned bridge sideslip mechanism 200, through first slider 220 and second slider 230 cooperation for bridge deck truss 30 is at the in-process of sideslip, and the junction of temporary support work platform 100 and pier 20 is striden smoothly, effectively guarantees the efficiency of the top pushing construction of bridge deck truss 30.

In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. The utility model provides a bridge sideslip mechanism which characterized in that, bridge sideslip mechanism includes:

the sliding way assembly comprises a sliding rail, the sliding rail is used for crossing the temporary support working platform and the bridge pier, the length direction of the sliding rail is a transverse moving direction, and the transverse moving direction is the direction from one side of the temporary support working platform to the bridge pier;

the first sliding piece is arranged on the sliding rail in a sliding manner, two opposite ends of the first sliding piece are respectively a sliding initial end and a sliding terminal end, and the direction from the sliding initial end to the sliding terminal end is the transverse moving direction; a limiting inclined plane is formed on the sliding initial end of the first sliding part, and the limiting inclined plane is obliquely arranged upwards along the transverse moving direction; and

The second sliding piece is arranged on the sliding starting end of the first sliding piece and is positioned on one side of the limiting inclined surface, which is opposite to the sliding terminal, and can slide from the sliding starting end to the sliding terminal along the limiting inclined surface, and the second sliding piece is used for supporting a bridge deck truss; the length of the second sliding piece is smaller than that of the first sliding piece, and the length of the first sliding piece is smaller than that of the sliding rail.

2. The bridge traversing mechanism according to claim 1, further comprising a traction assembly, wherein the traction assembly comprises a pusher shoe, a traction rope and a fixed pulley, the fixed pulley is rotatably arranged at the end of the sliding terminal of the first sliding member, one end of the pusher shoe is reciprocally movably arranged on the first sliding member along the traversing direction, the other end of the pusher shoe protrudes from the end of the sliding terminal, one end of the traction rope is arranged on the second sliding member, and the other end of the traction rope bypasses the fixed pulley to be connected to the pusher shoe;

the slide assembly further comprises a limiting piece, the limiting piece is arranged on the slide rail, and the pushing piece moves along the transverse moving direction along the first sliding piece and can be abutted to the limiting piece.

3. The bridge traversing mechanism according to claim 2, wherein a moving hole is provided on an end face of the sliding terminal of the first slider, and one end of the pusher shoe is movably disposed in the moving hole in a traversing direction.

4. The bridge traversing mechanism according to claim 3, wherein the traction assembly further comprises a guide wheel, a steering wheel and a fixing member, the steering wheel is rotatably arranged on the pushing member and positioned in the moving hole, the guide wheel is rotatably arranged at an opening of the moving hole near the fixed pulley, the fixing member is fixed in the moving hole and positioned at one side of the steering wheel facing the guide wheel, and the other end of the traction rope sequentially bypasses the fixed pulley, the guide wheel and the steering wheel and is fixed on the fixing member.

5. The bridge traversing mechanism according to claim 3 or 4, wherein the pusher shoe comprises a pusher rod and a piston unit, one end of the piston unit is connected to the pusher rod and is positioned in the moving hole, the other end of the pusher rod extends out of the moving hole, a space of one side of the piston unit facing away from the pusher rod is formed as a lubrication chamber, and the lubrication chamber is used for storing lubricating oil; and the limiting inclined plane is provided with an oil guide hole which is communicated with the lubricating cavity.

6. The bridge traversing mechanism according to claim 5, wherein the oil guiding hole is provided at a position where the limit inclined surface is close to the sliding terminal, and the oil guiding hole penetrates through to an inner end surface of the lubrication chamber toward the piston unit or penetrates through to an inner side surface close to an inner end surface of the lubrication chamber toward the piston unit.

7. The bridge traversing mechanism according to claim 5, wherein the piston unit comprises a first piston body and a second piston body, the first piston body is connected to one end of the pushing rod, the second piston body is arranged at one side of the first piston body opposite to the pushing rod and is spaced from the first piston body, and a gas cavity is formed between the first piston body and the second piston body;

the first sliding piece is also provided with a vent hole communicated with the moving hole, and in an initial state, the second piston body is positioned in the vent hole and covers and seals the vent hole; when the pushing rod moves towards the direction of the first piston body, the second piston body can be pushed to compress the lubrication cavity until the second piston body is limited on the inner end face of the lubrication cavity towards the second piston body, the second piston body releases the cover of the vent hole, and the vent hole is communicated with the gas cavity.

8. The bridge traversing mechanism according to claim 7, wherein a limiting pull rope is arranged in the lubrication chamber, one end of the limiting pull rope is connected to the second piston body, and the other end is connected to the inner wall of the lubrication chamber.

9. The bridge traversing mechanism according to claim 8, wherein a gear projection is provided on an inner end surface of the lubrication chamber facing the second piston body, and the second piston body is capable of abutting against the gear projection so that a gap is provided between the second piston body and the inner end surface of the lubrication chamber.

10. Bridge construction equipment, characterized in that, bridge construction equipment includes:

the temporary support working platform is erected on one side of the bridge pier; and

The bridge traversing mechanism according to any one of claims 1 to 9, wherein the slideway assembly spans the temporary support working platform and the bridge pier, the first slider is capable of sliding from the temporary support working platform to the bridge pier along a traversing direction on a slideway, and the second slider is capable of sliding from a sliding start end of the first slider to the sliding terminal.