CN219037996U

CN219037996U - High-altitude K-shaped steel truss pushing monitoring system

Info

Publication number: CN219037996U
Application number: CN202223373797.9U
Authority: CN
Inventors: 许鑫; 张国文; 夏添; 雷士玺; 崔洪波
Original assignee: CCCC SHB Sixth Engineering Co Ltd
Current assignee: CCCC SHB Sixth Engineering Co Ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-16
Anticipated expiration: 2032-12-15

Abstract

The utility model belongs to the technical field of bridge pushing construction, in particular to a high-altitude K-shaped steel truss pushing monitoring system which comprises a cross beam used for assembly and pushing and K-shaped steel trusses arranged on two sides of the upper surface of the cross beam, wherein a plurality of prefabricated support beams are uniformly distributed on the lower surface of the cross beam at intervals, steel pipe concrete cushion blocks are fixedly arranged on the upper surfaces of the prefabricated support beams respectively, the lower surface of the cross beam is in sliding contact with the upper surfaces of the steel pipe concrete cushion blocks, a jacking cylinder and a pushing cylinder are respectively arranged between the two steel pipe concrete cushion blocks, and a positioning monitoring mechanism is arranged on the surface of the pushing cylinder. This high altitude K shaped steel truss pushes away monitoring system, through setting up location monitoring mechanism, be convenient for carry out spacingly to the crossbeam when pushing forward through pushing away the hydro-cylinder to the crossbeam, prevent that it from taking place great positional deviation, make crossbeam and pushing away the hydro-cylinder to be connected through the joint of clamp splice and direction slide rail, and then avoid the crossbeam to deviate.

Description

High-altitude K-shaped steel truss pushing monitoring system

Technical Field

The utility model relates to the technical field of bridge pushing construction, in particular to a high-altitude K-shaped steel truss pushing monitoring system.

Background

At present, most of steel truss bridges are constructed by adopting a hoisting splicing method, the construction method is mature, the construction period is short, and the steel truss bridges take the dominant position in municipal bridge construction in China. However, the steel structure bridge with larger span is limited by the scale of hoisting equipment, the design and construction requirements of the traditional hoisting scheme are hardly met, and the construction must be carried out by adopting a pushing construction method. In particular to a bridge crossing the existing line, and the site construction crossing the existing line bridge has the realistic constraint that the field is narrow and the large hoisting equipment cannot enter.

In the existing steel truss pushing construction process, the steel truss is pushed forward only by virtue of a pushing oil cylinder, so that the horizontal moving angle of the steel truss cannot be controlled when the steel truss is pushed, the steel truss is easy to deviate in the moving process, the construction risk is high, the problem cannot be found for the first time, the problem of horizontal deviation control during pushing of the large-span large-tonnage steel truss is solved, and the construction process is influenced.

Disclosure of Invention

Based on the technical problem that the steel truss girder is easy to deviate transversely in the pushing process because the steel truss girder is pushed horizontally and transversely by the pushing oil cylinder in the existing steel truss girder pushing construction process, the utility model provides a high-altitude K-shaped steel truss pushing monitoring system.

The utility model provides a high-altitude K-type steel truss pushing monitoring system, which comprises a cross beam used for assembly and pushing and K-type steel trusses arranged on two sides of the upper surface of the cross beam, wherein a plurality of prefabricated support beams are uniformly distributed on the lower surface of the cross beam at intervals, steel pipe concrete cushion blocks are respectively and fixedly arranged on the upper surfaces of the prefabricated support beams, a jacking cylinder and a pushing cylinder are respectively arranged between the lower surfaces of the cross beam and the upper surfaces of the steel pipe concrete cushion blocks in a sliding contact manner, a positioning monitoring mechanism is arranged on the surface of the pushing cylinder, the positioning monitoring mechanism comprises a horizontal inclination sensor, and the horizontal inclination sensor monitors the horizontal angle of the cross beam which is pushed forwards through the pushing cylinder.

Preferably, a temporary steel bolster is arranged between the two prefabricated bolster beams, the lower surface of the jacking cylinder is fixedly arranged on the upper surface of the temporary steel bolster beam, and the pushing cylinder is positioned above the jacking cylinder;

through the technical scheme, the temporary steel cushion beam supports the jacking oil cylinder and the pushing oil cylinder, and the jacking oil cylinder jacks up to drive the pushing oil cylinder to integrally support the cross beam, so that the cross beam is separated from the steel pipe concrete cushion block.

Preferably, the positioning monitoring mechanism further comprises two bearing seats respectively and fixedly arranged at two sides of the pushing oil cylinder, the inner walls of the two bearing seats are respectively provided with a rotating shaft through bearings, and the surfaces of the two rotating shafts are respectively and fixedly sleeved with a clamping block;

through above-mentioned technical scheme, the rotation of pivot drives the clamp splice rotation.

Preferably, a supporting plate is fixedly connected to one side of the pushing oil cylinder, a servo motor is fixedly installed on the upper surface of the supporting plate, one end of an output shaft of the servo motor is fixedly sleeved with one end, extending out of the bearing seat, of one rotating shaft, and conical gears are fixedly sleeved on one ends, extending out of the bearing seat, of the two rotating shafts respectively;

through above-mentioned technical scheme, backup pad fixed stay servo motor, the rotation of servo motor output shaft drives the pivot rotation of being connected with it.

Preferably, the upper surface of the supporting plate is provided with a transmission shaft through a bearing, two ends of the transmission shaft are fixedly sleeved with the axes of the other two conical gears respectively, and the four conical gears are meshed with each other two by two;

through above-mentioned technical scheme, the rotation of pivot drives the conical gear who is connected with it and rotates, and conical gear's rotation drives the transmission shaft through the meshing with conical gear on the transmission shaft and rotates, and the rotation of transmission shaft drives another pivot rotation through another conical gear and another epaxial conical gear meshing, makes the pivot on the bearing frame of both sides carry out relative motion according to the distribution of four conical gears simultaneously.

Preferably, a guide sliding rail is arranged between the two concrete filled steel tube cushion blocks, the upper surface of the guide sliding rail is fixedly arranged on the lower surface of the cross beam, one end of the clamping block is clamped with a clamping groove on the guide sliding rail, the horizontal inclination sensor is positioned on one side of the guide sliding rail, and the action path of the horizontal inclination sensor is parallel to the guide sliding rail;

through above-mentioned technical scheme, the rotation of pivot drives the clamp splice and rotates, until the draw-in groove joint on clamp splice and the direction slide rail, and then fixes a position the removal of crossbeam through the contact of clamp splice and direction slide rail, drives direction slide rail and clamp splice simultaneously when pushing away the hydro-cylinder and promoting the crossbeam and remove, and level inclination sensor monitors the horizontal angle when the crossbeam removes.

The beneficial effects of the utility model are as follows:

1. through setting up horizontal inclination sensor, do benefit to the horizontal angle change condition that the real-time supervision crossbeam produced when pushing forward through the top hydro-cylinder, be convenient for constructor notice the condition at any time and adjust, improve the efficiency of construction and reduce the construction risk.

2. Through setting up location monitoring mechanism, be convenient for carry out spacingly to the crossbeam when pushing away the hydro-cylinder forward through pushing away to the crossbeam, prevent that it from taking place great positional deviation, make crossbeam and pushing away the hydro-cylinder to be connected through the joint of clamp splice and direction slide rail, and then avoid the crossbeam to deviate.

Drawings

FIG. 1 is a schematic diagram of a system for monitoring the pushing of a high-altitude K-type steel truss;

fig. 2 is a perspective view of a steel tube concrete cushion block structure of the high-altitude K-type steel truss pushing monitoring system provided by the utility model;

fig. 3 is a perspective view of a guide slide rail structure of the high-altitude K-type steel truss pushing monitoring system provided by the utility model;

fig. 4 is a perspective view of a pushing cylinder structure of the high-altitude K-type steel truss pushing monitoring system provided by the utility model;

fig. 5 is a perspective view of a clamping block structure of the high-altitude K-type steel truss pushing monitoring system provided by the utility model.

In the figure: 1. a cross beam; 2. k-shaped steel truss; 3. prefabricating a supporting beam; 4. a steel pipe concrete cushion block; 5. jacking the oil cylinder; 6. pushing the oil cylinder; 7. a horizontal tilt sensor; 71. a bearing seat; 72. a rotating shaft; 73. clamping blocks; 74. a support plate; 75. a servo motor; 76. a bevel gear; 77. a transmission shaft; 78. a guide rail; 8. temporary steel bolster.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a high-altitude K-type steel truss pushing monitoring system comprises a cross beam 1 used for assembly and pushing and K-type steel trusses 2 arranged on two sides of the upper surface of the cross beam 1, wherein a plurality of prefabricated supporting beams 3 are uniformly distributed on the lower surface of the cross beam 1 at intervals, steel pipe concrete cushion blocks 4 are fixedly arranged on the upper surfaces of the prefabricated supporting beams 3 respectively, the lower surface of the cross beam 1 is in sliding contact with the upper surfaces of the steel pipe concrete cushion blocks 4, a jacking cylinder 5 and a pushing cylinder 6 are respectively arranged between the two steel pipe concrete cushion blocks 4, a positioning monitoring mechanism is arranged on the surface of the pushing cylinder 6 and comprises a horizontal inclination sensor 7, and the horizontal inclination sensor 7 monitors the horizontal angle of the cross beam 1 which is pushed forwards through the pushing cylinder 6.

In order to support the jacking cylinder 5 and the pushing cylinder 6, a temporary steel bolster 8 is arranged between the two prefabricated support beams 3, the lower surface of the jacking cylinder 5 is fixedly arranged on the upper surface of the temporary steel bolster 8, and the pushing cylinder 6 is positioned above the jacking cylinder 5.

In order to limit the transverse beam 1 transversely pushed by the pushing oil cylinder 6, the positioning monitoring mechanism further comprises two bearing seats 71 which are respectively and fixedly arranged on two sides of the pushing oil cylinder 6, the inner walls of the two bearing seats 71 are respectively provided with a rotating shaft 72 through bearings, the surfaces of the two rotating shafts 72 are respectively and fixedly sleeved with a clamping block 73, a guide sliding rail 78 is arranged between the two steel tube concrete cushion blocks 4, the upper surface of the guide sliding rail 78 is fixedly arranged on the lower surface of the transverse beam 1, and one end of the clamping block 73 is clamped with a clamping groove on the guide sliding rail 78.

For monitoring the horizontal movement of the transverse beam 1, a horizontal tilt sensor 7 is arranged on one side of the guide rail 78, and the action path of the horizontal tilt sensor 7 is parallel to the guide rail 78.

By arranging the horizontal inclination sensor 7, the horizontal angle change condition generated when the beam 1 is pushed forward by the pushing oil cylinder 6 can be monitored in real time, so that constructors can notice the condition at any time and adjust the condition, the construction efficiency is improved, and the construction risk is reduced.

In order to drive the clamping block 73 to move to be clamped with a clamping groove in the guide sliding rail 78, a supporting plate 74 is fixedly connected to one side of the pushing oil cylinder 6, a servo motor 75 is fixedly arranged on the upper surface of the supporting plate 74, one end of an output shaft of the servo motor 75 is fixedly sleeved with one end of one rotating shaft 72 extending out of the bearing seat 71, one ends of the two rotating shafts 72 extending out of the bearing seat 71 respectively are fixedly sleeved with conical gears 76, a transmission shaft 77 is arranged on the upper surface of the supporting plate 74 through a bearing, two ends of the transmission shaft 77 are fixedly sleeved with the axle centers of the other two conical gears 76 respectively, and the four conical gears 76 are meshed with each other pairwise.

Through setting up location monitoring mechanism, be convenient for carry out spacingly to crossbeam 1 when pushing away hydro-cylinder 6 forward to crossbeam 1, prevent that it from taking place great positional deviation, make crossbeam 1 and pushing away hydro-cylinder 6 to be connected through clamping piece 73 and direction slide rail 78's joint, and then avoid crossbeam 1 to deviate from the position.

Working principle: when the clamping device is used, the servo motor 75 on the supporting plate 74 is started firstly, the rotation of the output shaft of the servo motor 75 drives the rotating shaft 72 connected with the servo motor to rotate, the rotation of the rotating shaft 72 drives the bevel gear 76 connected with the rotating shaft to rotate, the rotation of the bevel gear 76 drives the transmission shaft 77 to rotate through the engagement of the bevel gear 76 on the transmission shaft 77, the rotation of the transmission shaft 77 drives the other rotating shaft 72 to rotate through the engagement of the other bevel gear 76 and the bevel gear 76 on the other rotating shaft 72, meanwhile, the rotating shafts 72 on the bearing seats 71 on two sides are relatively moved according to the distribution of the four bevel gears 76, and the rotation of the two rotating shafts 72 drives the two clamping blocks 73 to be close to each other until the two clamping blocks 73 are clamped with clamping grooves in the guide sliding rails 78;

then the jacking cylinder 5 on the temporary steel bolster 8 jacks up to drive the jacking cylinder 6 to move up, so that the whole beam 1 is supported up through the clamping connection of the clamping block 73 and the guide sliding rod, and the beam 1 is separated from the steel pipe concrete bolster 4;

when the pushing oil cylinder 6 pushes the cross beam 1 forwards, the guiding slide rail 78 and the clamping block 73 are driven to move, and the horizontal inclination sensor 7 monitors the horizontal angle of the cross beam 1 during movement.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a high altitude K shaped steel truss pushes away monitoring system, is including being used for assembling and pushing away and use crossbeam (1) and install K shaped steel truss (2) of crossbeam (1) upper surface both sides, its characterized in that: the steel tube concrete lifting device is characterized in that a plurality of prefabricated support beams (3) are uniformly distributed on the lower surface of the cross beam (1) at intervals, steel tube concrete cushion blocks (4) are fixedly installed on the upper surfaces of the prefabricated support beams (3) respectively, the lower surface of the cross beam (1) is in sliding contact with the upper surfaces of the steel tube concrete cushion blocks (4), a jacking cylinder (5) and a pushing cylinder (6) are arranged between the two steel tube concrete cushion blocks (4) respectively, a positioning monitoring mechanism is arranged on the surface of the pushing cylinder (6), the positioning monitoring mechanism comprises a horizontal inclination sensor (7), and the horizontal inclination sensor (7) monitors the horizontal angle of the cross beam (1) which moves forward in a pushing mode through the pushing cylinder (6).

2. The overhead K-bar truss pushing monitoring system of claim 1, wherein: a temporary steel bolster (8) is arranged between the two prefabricated support beams (3), the lower surface of the jacking cylinder (5) is fixedly arranged on the upper surface of the temporary steel bolster (8), and the pushing cylinder (6) is positioned above the jacking cylinder (5).

3. The overhead K-bar truss pushing monitoring system of claim 1, wherein: the positioning monitoring mechanism further comprises two bearing seats (71) which are respectively and fixedly arranged on two sides of the pushing oil cylinder (6), the inner walls of the two bearing seats (71) are respectively provided with a rotating shaft (72) through bearings, and the surfaces of the two rotating shafts (72) are respectively and fixedly sleeved with a clamping block (73).

4. The overhead K-bar truss pushing monitoring system of claim 3, wherein: one side of the pushing oil cylinder (6) is fixedly connected with a supporting plate (74), a servo motor (75) is fixedly arranged on the upper surface of the supporting plate (74), one end of an output shaft of the servo motor (75) is fixedly sleeved with one end, extending out of the bearing seat (71), of one rotating shaft (72), and one end, extending out of the bearing seat (71), of each rotating shaft (72) is fixedly sleeved with a conical gear (76).

5. The overhead K-bar truss pushing monitoring system of claim 4, wherein: the upper surface of backup pad (74) is installed through the bearing and is transmitted shaft (77), the both ends of transmission shaft (77) respectively with the axle center department fixed sleeve joint of two other conical gear (76), four conical gear (76) are two mutual meshing.

6. The overhead K-bar truss pushing monitoring system of claim 3, wherein: be provided with between two steel pipe concrete pad (4) direction slide rail (78), the upper surface fixed mounting of direction slide rail (78) is in the lower surface of crossbeam (1), the one end of clamp splice (73) with draw-in groove joint on direction slide rail (78), horizontal inclination sensor (7) are located one side of direction slide rail (78), just the action path of horizontal inclination sensor (7) with direction slide rail (78) are parallel.