CN112227212A - Assembled bridge construction equipment - Google Patents
Assembled bridge construction equipment Download PDFInfo
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- CN112227212A CN112227212A CN202011079421.XA CN202011079421A CN112227212A CN 112227212 A CN112227212 A CN 112227212A CN 202011079421 A CN202011079421 A CN 202011079421A CN 112227212 A CN112227212 A CN 112227212A
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- main beam
- plate
- pier
- pin
- hydraulic cylinder
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of assembled bridges, and particularly discloses an assembled bridge construction device, wherein a track groove is placed on a bridge pier, a step is arranged on one side of a main beam, a pin hole is formed in a position, close to one end of the main beam, of the step, when the main beam is pulled to a preset position through a traction device, a sliding type positioning device corresponds to the pin hole, a hydraulic cylinder is started to extend, the hydraulic cylinder drives a sliding sleeve to move upwards and support a deflection rod to deflect, a positioning block corresponds to the step and supports the side face and the bottom face of the main beam tightly, the sliding sleeve drives a connecting rod to move and then lifts the rear end of a support lever, and a pin at the front end of the support lever is inserted into the pin hole to achieve positioning. According to the invention, through traction type construction, restrictions of terrain and the like are eliminated, and through the arrangement of the sliding type positioning device, the main beam can be temporarily fixed or released in the construction process, so that the problems of installation accuracy and the like caused by slippage or deformation of the main beam are prevented.
Description
Technical Field
The invention relates to the technical field of assembled bridges, and particularly discloses an assembled bridge construction device.
Background
The fabricated bridge is formed by dividing a tall abutment into a plurality of components horizontally according to a certain modulus along the vertical direction, pouring on a prefabricated field around the bridge site, transporting the components to the site by a vehicle and a ship, hoisting and assembling the components, and splicing the bridge deck on the abutment to achieve the purpose of rapid construction. Therefore, the fully prefabricated bridge structure is an effective means for accelerating construction speed, reducing field pollution and realizing low-carbon construction. Under the guidance of national policies and technical development, bridge fabricated structures are also increasingly widely applied to various projects.
For large-scale assembled bridges, the scale of the main beam is generally large, the main beam is easy to be limited by the terrain in the hoisting and assembling process, and the hoisting cost is high and the safety factor is small under the terrain conditions of mountains and rivers, tunnels and the like. The girder needs to fix its both ends temporarily before hoist and mount, let its standard of aiming at as the hoist and mount of follow-up girder, after hoist and mount, release the restraint, let it freely stretch out and draw back, prevent that rigid deformation from causing the girder to destroy, consequently, the urgent need provides an assembled bridge construction equipment that the construction is more convenient, has eliminated restrictions such as topography, can also be at the temporary fixation in the work progress or release the girder, prevent that the girder from sliding or warping the installation accuracy scheduling problem that brings.
Disclosure of Invention
In view of the above, the present invention is directed to an assembly type bridge construction apparatus, which is convenient for construction, eliminates the limitation of the terrain by assembling a main girder through traction construction, and can improve the construction efficiency and precision.
In order to achieve the purpose, the invention provides the following technical scheme:
an assembled bridge construction device comprises a pier and a main beam, wherein a track groove is arranged on the pier and is formed by sequentially splicing a plurality of track connecting sections, each track connecting section comprises a horizontal plate and a vertical plate, the horizontal plate is positioned between the main beam and the pier, the vertical plate is fixedly arranged on one side of the horizontal plate, one end of the main beam is provided with a drag hook, and the main beam is provided with a traction device connected with the drag hook; the main beam is provided with a sliding type positioning device at one side far away from the vertical plate, the sliding type positioning device can slide along the length direction of the main beam, the sliding type positioning device can press the main beam on the horizontal plate and the vertical plate of the track groove, the sliding type positioning device comprises a guide rail, a bottom plate, a hydraulic cylinder, a connecting rod, a supporting lever, a positioning pin, a deflection rod, a sliding sleeve, a spring and a pin shaft, the lower end of the deflection rod is pivoted with the bottom plate through a first connecting seat, the upper end of the deflection rod is pivoted with the middle part of the supporting lever through a second connecting seat, the sliding sleeve is sleeved at the outer side of the deflection rod in a sliding manner, the spring is sleeved at the outer side of the deflection rod, the lower end of the spring is abutted against the end face of the sliding sleeve, the upper end of the spring is abutted against the second connecting seat, the hydraulic cylinder is obliquely supported on one side of the deflection rod, the lower end of the hydraulic cylinder is pivoted with the bottom plate through a third connecting seat, the upper end of the hydraulic cylinder is pivoted with the pin shaft through a fourth connecting seat, the lower end of the connecting rod is pivoted with the pin shaft through a fifth connecting seat, the upper end of the connecting rod is pivoted with one end of the supporting lever through a sixth connecting seat, one end of the supporting lever is fixedly provided with the positioning pin, the middle part of the deflection rod is connected with a positioning block through a bracket, a through hole for guiding the positioning pin is formed in the positioning block, one side of the main beam is provided with a step, a pin hole is formed in the position, close to one end of the main beam, of the step, when the main beam is pulled to a preset position through a traction device, the sliding type positioning device corresponds to the pin hole, the hydraulic cylinder is started to extend, the positioning block corresponds to the step to tightly support the side face and the bottom face of the main beam, the sliding sleeve drives the connecting rod to move and then enables the rear end of the supporting lever to be lifted, and the pin at the front end of the supporting lever is inserted into the pin hole to achieve positioning.
Furthermore, a pier column end connecting plate is fixed to the top of the pier, an anchoring nail is fixed to the bottom of the pier column end connecting plate, the anchoring nail is embedded in the pier, and the pier column end connecting plate is welded with the horizontal plate.
Further, the drag hook includes spud pile and drag hook body, stay cord connecting hole, pile foundation through-hole and the spacing hole of pile foundation have been seted up on the drag hook body, the spud pile with pass through behind the pile foundation through-hole with girder fixed connection, the drag hook body passes through the spacing hole axial of pile foundation is spacing, and the drag hook body can be around the circumferential direction of spud pile.
Further, construction equipment still includes infrared emitter, infrared receiver, alarm and controller, infrared emitter is fixed to be set up on the bottom plate, infrared receiver corresponds the setting and leans on slidingtype positioner one side at the girder, fixes slidingtype positioner at preset position, draw gear pulling the girder removes, and when infrared receiver received the signal that infrared emitter sent, the alarm was reported to the police, stops draw gear and continues work, and the action of controller control pneumatic cylinder.
Further, the guide rail is located one side of girder, the guide rail includes first spout, second spout, spout connecting plate, horizontal support plate, fagging and pier stud side connecting plate, pier stud side connecting plate be with the excircle radian assorted arc of pier, pier stud side connecting plate is fixed to be set up on the outer periphery of pier, first spout and second spout set up and pass through spout connecting plate fixed connection between the two along the length direction of girder, horizontal support plate's one end with first spout and second spout fixed connection, horizontal support plate's the other end with pier stud side connecting plate fixed connection, horizontal support plate's middle part is passed through the fagging supports, the fagging with pier stud side connecting plate fixed connection.
Furthermore, the two adjacent track connecting sections are connected through a track connecting plate, and connecting holes connected with the track connecting sections are formed in the two ends of the track connecting plate.
The working principle and the beneficial effects of the scheme are as follows:
according to the assembled bridge construction device, the rail groove is placed on the bridge pier, the step is arranged on one side of the main beam, the pin hole is formed in the position, close to one end of the main beam, of the step, when the main beam is pulled to a preset position through the traction device, the sliding type positioning device corresponds to the pin hole, the hydraulic cylinder is started to extend, the hydraulic cylinder drives the sliding sleeve to move upwards and support the deflection rod to deflect, the positioning block corresponds to the step and tightly supports the side face and the bottom face of the main beam, the sliding sleeve drives the connecting rod to move and then enables the rear end of the supporting lever to be lifted, and the pin at the front end of the supporting lever is inserted into the pin hole to achieve positioning. According to the invention, through traction type construction, restrictions of terrain and the like are eliminated, and through the arrangement of the sliding type positioning device, the main beam can be temporarily fixed or released in the construction process, so that the problems of installation accuracy and the like caused by slippage or deformation of the main beam are prevented.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
FIG. 1 is a schematic structural view of a construction apparatus according to the present invention;
FIG. 2 is a front view of the construction apparatus of the present invention;
FIG. 3 is a side view of the construction apparatus of the present invention;
FIG. 4 is a schematic structural diagram of the sliding positioning apparatus of the present invention;
FIG. 5 is a schematic view of the retractor of the present invention;
fig. 6 is a schematic view of the connection plates with the pier ends.
The drawings are numbered as follows: pier 1, girder 2, rail groove 3, rail connecting section 31, horizontal section 311, vertical section 312, rail connecting plate 32, drag hook 4, spud pile 41, drag hook body 42, drag rope connecting hole 43, pile foundation through hole 44, pile foundation limiting hole 45, traction device 5, sliding type positioning device 6, guide rail 61, first chute 6101, second chute 6102, chute connecting plate 6103, horizontal support plate 6104, inclined support plate 6105, pier stud side connecting plate 6106, bottom plate 62, the device comprises a hydraulic cylinder 63, a connecting rod 64, a supporting lever 65, a positioning pin 66, a deflection rod 67, a sliding sleeve 68, a spring 69, a pin shaft 610, a first connecting seat 611, a second connecting seat 612, a third connecting seat 613, a fourth connecting seat 614, a fifth connecting seat 615, a sixth connecting seat 616, a bracket 617, a positioning block 618, a step 7, a pin hole 8, a pier stud end connecting plate 9, an anchoring nail 10, an infrared emitter 11 and an infrared receiver 12.
Detailed Description
The following is further detailed by way of specific embodiments:
the invention relates to an assembly type bridge construction device, which comprises a bridge pier 1 and a main beam 2, wherein a track groove 3 is arranged on the bridge pier 1, the section of the track groove 3 is L-shaped, the track groove 3 is formed by sequentially splicing a plurality of track connecting sections 31, each track connecting section 31 comprises a horizontal plate and a vertical plate, the height of each vertical plate is slightly higher than that of the main beam 2, the horizontal plate is positioned between the main beam 2 and the bridge pier 1, the vertical plate is fixedly arranged on one side of the horizontal plate, one end of the main beam 2 is provided with a drag hook 4, and the main beam 2 is provided with a traction device 5 connected with the drag hook 4; the drag hook 4 sets up in the one end that needs pull, in this embodiment, track groove 3 along the length direction of whole bridge arrange accomplish can, pull at girder 2 and accomplish, fixed with girder 2 integral type.
In this embodiment, the main beam 2 is provided with the slidingtype positioner 6 on one side of keeping away from the vertical board, the length direction that the main beam 2 can be followed to slidingtype positioner 6 can with the main beam 2 compress tightly in the horizontal plate and the vertical board of track groove 3, with the simple location of main beam 2 and compress tightly for next main beam 2 is as the standard when the construction, thereby prevents the installation accuracy scheduling problem that main beam 2 slided or warp and bring.
In this embodiment, the sliding type positioning device 6 includes a guide rail 61, a bottom plate 62, a hydraulic cylinder 63, a connecting rod 64, a supporting lever 65, a positioning pin 66, a deflection rod 67, a sliding sleeve 68, a spring 69, and a pin 610, wherein a lower end of the deflection rod 67 is pivotally connected to the bottom plate 62 through a first connecting seat 611, an upper end of the deflection rod 67 is pivotally connected to a middle portion of the supporting lever 65 through a second connecting seat 612, the sliding sleeve 68 is slidably sleeved outside the deflection rod 67, the spring 69 is sleeved outside the deflection rod 67, a lower end of the spring 69 is abutted to an end surface of the sliding sleeve 68, an upper end of the spring 69 is abutted to the second connecting seat 612, the pin 610 is fixedly disposed outside the sliding sleeve 68, the hydraulic cylinder 63 is obliquely supported to one side of the deflection rod 67, a lower end of the hydraulic cylinder 63 is pivotally connected to the bottom plate 62 through a third connecting seat 613, the upper end of the hydraulic cylinder 63 is pivotally connected to the pin 610 through a fourth connecting seat 614, the lower end of the connecting rod 64 is pivotally connected to the pin 610 through a fifth connecting seat 615, the upper end of the connecting rod 64 is pivotally connected to one end of the supporting lever 65 through a sixth connecting seat 616, one end of the supporting lever 65 is fixedly provided with the positioning pin 66, the middle part of the deflection rod 67 is connected to a positioning block 618 through a bracket 617, the positioning block 618 is provided with a through hole for guiding the positioning pin 66, one side of the main beam 2 is provided with a step 7, one end of the step 7 close to the main beam 2 is provided with a pin hole 8, when the main beam 2 is drawn to a preset position through a drawing device 5, the sliding type positioning device 6 corresponds to the pin hole 8, the hydraulic cylinder 63 is started to extend, and the hydraulic cylinder 63 drives the sliding sleeve 68 to move upwards and supports the deflection, the spring 69 is compressed, and the positioning block 618 moves obliquely right and downward, so that the positioning block 618 and the step 7 can correspondingly press against the side surface and the bottom surface of the main beam 2, the sliding sleeve 68 drives the connecting rod 64 to move, then the rear end of the supporting lever 65 is lifted, and the pin at the front end of the supporting lever 65 is inserted into the pin hole 8, so that positioning is realized. The positioning effect and the clamping effect can be realized by being driven by the same hydraulic cylinder 63, and the device is convenient to control and use, so that the positioning is more accurate.
In this embodiment, pier 1's top is fixed with pier stud end connection board 9, pier stud end connection board 9's bottom is fixed with anchor nail 10, anchor nail 10 is pre-buried in pier 1, pier stud end connection board 9 with horizontal plate welding can understand, can set up relevant devices such as antidetonation support between pier 1 and horizontal plate for the energy dissipation shock attenuation, relevant setting belongs to prior art, no longer among the protection scope of this application, no longer gives unnecessary details here.
In this embodiment, drag hook 4 includes spud pile 41 and drag hook body 42, stay cord connecting hole 43, pile foundation through-hole 44 and the spacing hole 45 of pile foundation have been seted up on the drag hook body 42, pile foundation through-hole 44's axial is along the length direction of girder 2, spud pile 41 with pass through behind the pile foundation through-hole 44 with 2 fixed connection of girder, drag hook body 42 passes through the spacing hole 45 axial of pile foundation is spacing, and drag hook body 42 can be around the circumferential direction of spud pile 41, can adapt to pulling of multi-angle, but the direction of pulling is constantly along the length direction of girder 2.
In this embodiment, the construction apparatus further includes an infrared emitter 11, an infrared receiver 12, an alarm and a controller, the infrared emitter 11 is fixedly disposed on the bottom plate 62, the infrared receiver 12 is correspondingly disposed on one side of the main beam 2 close to the sliding type positioning device 6, the sliding type positioning device 6 is fixed at a predetermined position, the main beam 2 is pulled by the traction device 5 to move, when the infrared receiver 12 receives a signal sent by the infrared emitter 11, the alarm gives an alarm, the traction device 5 stops working continuously, and the controller controls the hydraulic cylinder 63 to operate.
In this embodiment, the guide rail 61 is located at one side of the main beam 2, the guide rail 61 includes a first sliding slot 6101, a second sliding slot 6102, a sliding slot connecting plate 6103, a horizontal supporting plate 6104, an inclined supporting plate 6105, and a pier column side connecting plate 6106, the pier stud side connecting plate 6106 is an arc-shaped plate which is matched with the outer circular radian of the pier 1, the pier stud side connecting plate 6106 is fixedly arranged on the outer circumferential surface of the pier 1, the first chute 6101 and the second chute 6102 are arranged along the length direction of the main beam 2 and are fixedly connected with each other through a chute connecting plate 6103, one end of the horizontal support plate 6104 is fixedly connected with the first chute 6101 and the second chute 6102, the other end of the horizontal support plate 6104 is fixedly connected with the pier stud side connecting plate 6106, the middle part of the horizontal support plate 6104 is supported by the inclined support plate 6105, and the inclined support plate 6105 is fixedly connected with the pier stud side connecting plate 6106. Two adjacent track connection sections 31 are connected through a track connection plate 32, and connection holes connected with the track connection sections 31 are formed in two ends of the track connection plate 32.
The construction method comprises the following steps of uniformly planning the construction of the pier 1, laying a track groove 3 on the top of the pier 1 along the length direction of the bridge, fixing the sliding type positioning device 6 at a preset position, pulling the main beam 2 to move by the traction device 5, giving an alarm when the infrared receiver 12 receives a signal sent by the infrared transmitter 11, stopping the continuous work of the traction device 5, controlling the hydraulic cylinder 63 to act by the controller to press the main beam 2, pulling the next main beam 2 by the traction device 5, controlling the hydraulic cylinder 63 to loosen after the traction is completed, moving to the preset position of the main beam 2, pressing the main beam 2, and repeating the process to sequentially pull each main beam 2 to be in place.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (6)
1. The utility model provides an assembled bridge construction equipment, assembled bridge includes pier and girder, its characterized in that: a track groove is placed on the pier and formed by sequentially splicing a plurality of track connecting sections, each track connecting section comprises a horizontal plate and a vertical plate, the horizontal plate is positioned between the main beam and the pier, the vertical plate is fixedly arranged on one side of the horizontal plate, one end of the main beam is provided with a drag hook, and the main beam is provided with a traction device connected with the drag hook; the main beam is provided with a sliding type positioning device at one side far away from the vertical plate, the sliding type positioning device can slide along the length direction of the main beam, the sliding type positioning device can press the main beam on the horizontal plate and the vertical plate of the track groove, the sliding type positioning device comprises a guide rail, a bottom plate, a hydraulic cylinder, a connecting rod, a supporting lever, a positioning pin, a deflection rod, a sliding sleeve, a spring and a pin shaft, the lower end of the deflection rod is pivoted with the bottom plate through a first connecting seat, the upper end of the deflection rod is pivoted with the middle part of the supporting lever through a second connecting seat, the sliding sleeve is sleeved at the outer side of the deflection rod in a sliding manner, the spring is sleeved at the outer side of the deflection rod, the lower end of the spring is abutted against the end face of the sliding sleeve, the upper end of the spring is abutted against the second connecting seat, the hydraulic cylinder is obliquely supported on one side of the deflection rod, the lower end of the hydraulic cylinder is pivoted with the bottom plate through a third connecting seat, the upper end of the hydraulic cylinder is pivoted with the pin shaft through a fourth connecting seat, the lower end of the connecting rod is pivoted with the pin shaft through a fifth connecting seat, the upper end of the connecting rod is pivoted with one end of the supporting lever through a sixth connecting seat, one end of the supporting lever is fixedly provided with the positioning pin, the middle part of the deflection rod is connected with a positioning block through a bracket, a through hole for guiding the positioning pin is formed in the positioning block, one side of the main beam is provided with a step, a pin hole is formed in the position, close to one end of the main beam, of the step, when the main beam is pulled to a preset position through a traction device, the sliding type positioning device corresponds to the pin hole, the hydraulic cylinder is started to extend, the positioning block corresponds to the step to tightly support the side face and the bottom face of the main beam, the sliding sleeve drives the connecting rod to move and then enables the rear end of the supporting lever to be lifted, and the pin at the front end of the supporting lever is inserted into the pin hole to achieve positioning.
2. The fabricated bridge construction device according to claim 1, wherein: the top of pier is fixed with pier stud tip connecting plate, the bottom of pier stud tip connecting plate is fixed with the anchor nail, the anchor nail is pre-buried in the pier, pier stud tip connecting plate with the horizontal plate welding.
3. The fabricated bridge construction device according to claim 1, wherein: the drag hook includes spud pile and drag hook body, stay cord connecting hole, pile foundation through-hole and the spacing hole of pile foundation have been seted up on the drag hook body, the spud pile with pass through behind the pile foundation through-hole with girder fixed connection, the drag hook body passes through the spacing hole axial of pile foundation is spacing, and the drag hook body can be around the circumferential direction of spud pile.
4. The fabricated bridge construction device according to claim 1, wherein: the construction device further comprises an infrared transmitter, an infrared receiver, an alarm and a controller, wherein the infrared transmitter is fixedly arranged on the bottom plate, the infrared receiver is correspondingly arranged on one side, close to the sliding type positioning device, of the main beam, the sliding type positioning device is fixed at a preset position, the main beam is pulled by the traction device to move, when the infrared receiver receives a signal sent by the infrared transmitter, the alarm gives an alarm, the traction device stops working continuously, and the controller controls the hydraulic cylinder to act.
5. The fabricated bridge construction device according to claim 1, wherein: the guide rail is located one side of girder, the guide rail includes first spout, second spout, spout connecting plate, horizontal support plate, fagging and pier stud side connecting plate, pier stud side connecting plate be with the excircle radian assorted arc of pier, the fixed setting of pier stud side connecting plate is on the outer periphery of pier, first spout and second spout set up and pass through spout connecting plate fixed connection between the two along the length direction of girder, horizontal support plate's one end with first spout and second spout fixed connection, horizontal support plate's the other end with pier stud side connecting plate fixed connection, horizontal support plate's middle part is passed through the fagging is supported, the fagging with pier stud side connecting plate fixed connection.
6. The fabricated bridge construction device according to claim 1, wherein: the two adjacent track connecting sections are connected through a track connecting plate, and connecting holes connected with the track connecting sections are formed in the two ends of the track connecting plate.
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| CN202011079421.XA CN112227212B (en) | 2020-10-10 | 2020-10-10 | Assembled bridge construction equipment |
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| CN202011079421.XA CN112227212B (en) | 2020-10-10 | 2020-10-10 | Assembled bridge construction equipment |
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| CN108060636A (en) * | 2017-12-11 | 2018-05-22 | 重庆交通大学 | The construction method of overall assembled composite beam bridge |
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