CN113957808A - Precast slab erection system for highway traffic bridge construction and use method thereof - Google Patents
Precast slab erection system for highway traffic bridge construction and use method thereof Download PDFInfo
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- CN113957808A CN113957808A CN202111502758.1A CN202111502758A CN113957808A CN 113957808 A CN113957808 A CN 113957808A CN 202111502758 A CN202111502758 A CN 202111502758A CN 113957808 A CN113957808 A CN 113957808A
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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
Abstract
The utility model discloses a precast slab erection system for highway traffic bridge construction and a use method thereof, and the precast slab erection system comprises a movable support mechanism, wherein a lifting erection mechanism is inserted in the movable support mechanism in a sliding manner, the lifting erection mechanism comprises an auxiliary moving device, a fixed lifting device and a fixed clamping device, the auxiliary moving device is fixedly connected to the top end of the fixed lifting device, the fixed clamping device is fixedly connected to the bottom end of the fixed lifting device, the auxiliary moving device comprises a pneumatic limiting device, a movable support beam, a limiting threaded hole and an auxiliary rolling wheel, the pneumatic limiting device is fixedly arranged at the center of the top end of the movable support beam, the limiting threaded hole is symmetrically arranged in the side end of the movable support beam, and the auxiliary rolling wheel is symmetrically and rotatably connected to two sides in the bottom end of the movable support beam. The utility model realizes the work of fast butt joint and erection of the precast slabs through the arrangement of the lifting erection mechanism.
Description
Technical Field
The utility model relates to the technical field of bridge construction equipment, in particular to a precast slab erection system for highway traffic bridge construction and a use method thereof.
Background
The utility model discloses a road traffic bridge construction precast slab erecting device which comprises two longitudinal beams, wherein the two longitudinal beams are arranged in parallel and connected through a first cross beam and a second cross beam, clamping arms are respectively arranged on one side of each of 2 longitudinal beams, the middle positions of the clamping arms are hinged with the longitudinal beams, the upper ends of the 2 clamping arms are connected through a hydraulic cylinder and a connecting rod, one end of the hydraulic cylinder is connected with the upper end of one clamping arm, the other end of the hydraulic cylinder is connected with one end of the connecting rod, the other end of the connecting rod is connected with the upper end of the other clamping arm, a strip-shaped through hole is formed in the middle of the first cross beam in the length direction, the second cross beam is arranged on one side of the first cross beam in a sliding mode, and a round hole is formed in the middle of the second cross beam. This highway traffic bridge construction prefabricated plate handing equipment adopts the pneumatic cylinder to drive the arm lock activity, can realize the automatic centre gripping to the prefabricated plate, and this fixed mode is compared in traditional connected mode more convenient, and more firm stable.
The bridge generally refers to a structure erected on rivers, lakes and seas to enable vehicles or pedestrians to smoothly pass through, in order to adapt to the modern high-speed developed traffic industry, the bridge can span mountain stream or uneven areas to enable traffic to be more convenient, roads can be extended to various areas through erection of the bridge, so that daily trips of people are greatly facilitated, the bridge can span the areas with rugged roads through erection of the bridge to enable the vehicles or pedestrians to smoothly and rapidly pass through the areas, when the bridge is erected, a hoisting device is required to place and fix the precast slabs on piers, the precast slabs are generally conveyed to the bottom end of the hoisting device in the process of erecting the precast slabs, the precast slabs are lifted to the piers through the hoisting device, screws on the hoisting device are often required to be fastened with the screws on the precast slabs before hoisting, so that the precast slabs can be ensured not to fall off the hoisting device, in the process of fixing the precast slabs, a large number of screws are often required to be screwed, so that time and labor are wasted, the existing bridge erecting device is often required to align the precast slabs with the bridge by means of manual adjustment when the precast slabs are hoisted and butted, and certain danger exists when the precast slabs are manually adjusted, so that the problem is improved by a device.
Disclosure of Invention
The utility model aims to provide a precast slab erection system for highway traffic bridge construction and a use method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a prefabricated slab erection system for highway traffic bridge construction and a use method thereof comprise a movable supporting mechanism, wherein a lifting erection mechanism is inserted in the movable supporting mechanism in a sliding manner;
the lifting and erecting mechanism comprises an auxiliary moving device, a fixed lifting device and a fixed clamping device, wherein the auxiliary moving device is fixedly connected to the top end of the fixed lifting device, and the fixed clamping device is fixedly connected to the bottom end of the fixed lifting device;
the auxiliary moving device comprises a pneumatic limiting device, a moving supporting beam, limiting threaded holes and auxiliary rolling wheels, the pneumatic limiting device is fixedly installed in the center of the top end of the moving supporting beam, the limiting threaded holes are symmetrically formed in the side end of the moving supporting beam, and the auxiliary rolling wheels are symmetrically and rotatably connected to two sides of the inner bottom end of the moving supporting beam;
the fixed lifting device comprises a winding machine, a fixed cross beam, a connecting support frame, a steel wire rope and a limiting sleeve, wherein the winding machine is fixedly arranged inside the top end of the fixed cross beam, the steel wire rope is fixedly connected inside the winding machine, the limiting sleeve is symmetrically and slidably sleeved on an outer ring of the steel wire rope, one end of the connecting support frame is fixedly connected to the top of the side end of the limiting sleeve, and the other end of the connecting support frame is fixedly connected to the bottom end of the fixed cross beam;
the fixed clamping device comprises a limiting fixed nut, a limiting air cylinder, a contact stop lever, a limiting clamping jaw, a movable supporting groove, a connecting supporting plate, a limiting fixed clamping key and a threaded rod, wherein the movable supporting groove is symmetrically arranged inside the connecting supporting plate, the limiting fixed clamping key is symmetrically inserted into the movable supporting groove in a sliding manner, the limiting clamping jaw is fixedly connected to the bottom end of the limiting fixed clamping key, the threaded rod is symmetrically inserted between the limiting fixed clamping key and the limiting fixed clamping key in a sliding manner, the limiting fixed nut is symmetrically sleeved on outer rings at two ends of the threaded rod at equal intervals in a threaded manner, the limiting air cylinder is symmetrically and fixedly connected to two sides of the connecting supporting plate, and the contact stop lever is symmetrically inserted into the side end of the limiting air cylinder in a sliding manner;
the movable supporting mechanism comprises a ceiling supporting structure and a movable adjusting base, and the ceiling supporting structure is fixedly connected to the top end of the movable adjusting base;
the ceiling supporting structure comprises a limiting snap ring, a first supporting side plate, a limiting ear plate, a protective stretching pad, a limiting hook, a rotating threaded rod, an output motor and a second supporting side plate, the output motors are symmetrically and fixedly connected to the bottoms of the side ends of the second supporting side plates, one end of the rotating threaded rod is fixedly connected to the center of the side end of the output motor, which is far away from the second supporting side plates, the other end of the rotary threaded rod is rotationally connected to the side end of the first supporting side plate, the limiting snap rings are symmetrically and fixedly connected to the top end of the first supporting side plate, the limiting ear plate is sleeved on the first supporting side plate in a sliding manner, one end of the protective stretching pad is fixedly connected to the limiting ear plate, the other end of the protective stretching pad is fixedly connected to the inside of the second supporting side plate, and the limiting hooks are symmetrically and fixedly connected to the side end, close to the first supporting side plate, of the protective stretching pad;
the movable adjusting base comprises climbing steps, a movable portal frame and a limiting supporting chassis, the climbing steps are symmetrically and fixedly installed at one end of the movable portal frame, and the movable portal frame is inserted into the top end of the limiting supporting chassis in a sliding mode.
Preferably, the bottom parts of the two ends of the movable portal frame are fixedly provided with motors, and the side ends of the motors are fixedly provided with gears.
Preferably, the inside fixedly connected with rack on spacing support chassis, rolling machine, output motor, pneumatic stop device, spacing cylinder and motor have electric connection with the external world.
Preferably, the bottom end of the movable portal frame is fixedly connected with a limiting convex strip, and a groove is formed in the limiting support chassis.
Preferably, the limiting sleeve can be multi-section telescopic, the second supporting side plate is internally provided with a containing groove, and the bottom end of the limiting lug plate is provided with a cylindrical hole.
Preferably, the material of the protective stretching pad is composite plastic.
Preferably, a supporting sliding rod is fixedly mounted at the top of the side end of the first supporting side plate.
Preferably, a rolling groove is formed in the side end of the movable portal frame, and anti-skid grains are formed in the inner side of the limiting clamping jaw.
Preferably, the protection stretching pad further comprises a connecting block, a limiting groove plate and a reset spring, the reset spring is symmetrically and fixedly connected inside the limiting groove plate, one side of the connecting block is fixedly connected onto the protection stretching pad, the other end of the connecting block is fixedly connected at the tail end of the reset spring, and a square groove is formed in the side end of the limiting groove plate.
A use method of a precast slab erection system for highway traffic bridge construction comprises the following steps:
s1: firstly, hoisting the device to a position between a pier and a pier by using an external crane, and inwards screwing a limiting fixing nut to drive a limiting clamping claw to inwards extrude;
s2: the winding machine is started, so that the prefabricated plate can be driven to rise, the contact stop lever can be started, the contact stop lever can be driven to move inwards, the limiting fixing clamping key can be pushed inwards again, and the stability is improved;
s3: starting an output motor to drive a rotating threaded rod to rotate, and moving the prefabricated slab to the abutment of the pier;
s4: the motor fixedly arranged at the bottoms of the two ends of the movable portal frame can drive the limiting clamping claws to carry out parallel hoisting operation.
Compared with the prior art, the utility model has the following beneficial effects:
1. the lifting and erecting mechanism is inserted in the moving and supporting mechanism in a sliding mode, the power device is fixedly arranged in the moving and supporting mechanism and can be started, so that the lifting and erecting mechanism can be driven to move integrally, the fastening device is fixedly arranged in the lifting and erecting mechanism and can be placed on the prefabricated plate and then fixed inwards, the prefabricated plate can be fixed in the fastening device, the adjusting device is arranged in the fastening device, when the prefabricated plate is lifted to a proper height, the adjusting device can be operated according to actual conditions on site, so that the prefabricated plate can be accurately butted with a bridge, the pulling device is arranged in the lifting and erecting mechanism, the bottom end of the pulling device is fixedly connected with the protection limiting device, the protection limiting device can be sleeved outside the steel wire rope, and the prefabricated plate can be prevented from driving the steel wire rope to shake in the air, the covering device is fixedly connected to the top end of the movable supporting mechanism and can be fixed to the lifting and erecting mechanism, when the power device inside the movable supporting mechanism is started, the covering device can be driven to move forwards, the top end of the device can be covered, the movable supporting mechanism can swing left and right, and accordingly the prefabricated plates can be transversely lifted and installed.
2. Through the inside fixedly connected with resetting means of the tensile pad of protection, and fixedly connected with strutting arrangement on the both ends of the tensile pad of protection, can be with strutting arrangement's one end fixed connection in resetting means's one end, consequently when the tensile pad of protection loosens, can be quick pull the tensile pad of protection backward through resetting means to accomplish reset work.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a bottom view of the main body of the present invention;
FIG. 3 is a schematic view of a lifting mechanism of the present invention;
FIG. 4 is a schematic diagram of an auxiliary moving device according to the present invention;
FIG. 5 is a schematic view of a fixed lift device according to the present invention;
FIG. 6 is a schematic view of a stationary clamping device of the present invention;
FIG. 7 is a schematic view of the mobile support mechanism of the present invention;
FIG. 8 is a schematic view of a canopy support structure of the present invention;
FIG. 9 is a schematic view of the mobile adjusting mount of the present invention;
fig. 10 is a schematic view of a second embodiment of the protective stretch pad of the present invention.
In the figure: 1-lifting and erecting mechanism, 2-moving supporting mechanism, 3-auxiliary moving device, 4-fixed lifting device, 5-fixed clamping device, 6-pneumatic limiting device, 7-moving supporting beam, 8-limiting threaded hole, 9-auxiliary rolling wheel, 10-winding machine, 11-fixed beam, 12-connecting supporting frame, 13-steel wire rope, 14-limiting sleeve, 15-limiting fixing nut, 16-limiting cylinder, 17-contact stop lever, 18-limiting clamping jaw, 19-moving supporting groove, 20-connecting supporting plate, 21-limiting fixing clamp key, 22-threaded rod, 23-ceiling supporting structure, 24-moving adjusting base, 25-limiting clamp ring, 26-first supporting side plate, 27-limiting ear plates, 28-protective stretching pads, 29-limiting hooks, 30-rotating threaded rods, 31-output motors, 32-second supporting side plates, 33-climbing steps, 34-moving portal frames, 35-limiting supporting chassis, 36-connecting blocks, 37-limiting groove plates and 38-return springs.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The utility model is further described below with reference to the accompanying drawings.
Example 1
Referring to fig. 1-2, an embodiment of the present invention is shown: a precast slab erection system for highway traffic bridge construction and a use method thereof comprise a movable supporting mechanism 2, wherein a lifting erection mechanism 1 is inserted in the movable supporting mechanism 2 in a sliding manner;
as shown in fig. 3, the lifting and erecting mechanism 1 comprises an auxiliary moving device 3, a fixed lifting device 4 and a fixed clamping device 5, wherein the auxiliary moving device 3 is fixedly connected to the top end of the fixed lifting device 4, and the fixed clamping device 5 is fixedly connected to the bottom end of the fixed lifting device 4;
as shown in fig. 4, the auxiliary moving device 3 comprises a pneumatic limiting device 6, a moving support beam 7, limiting threaded holes 8 and auxiliary rolling wheels 9, wherein the pneumatic limiting device 6 is fixedly installed at the center of the top end of the moving support beam 7, the limiting threaded holes 8 are symmetrically arranged inside the side end of the moving support beam 7, and the auxiliary rolling wheels 9 are symmetrically and rotatably connected to two sides inside the bottom end of the moving support beam 7;
as shown in fig. 5, the fixed lifting device 4 comprises a winding machine 10, a fixed beam 11, a connecting support frame 12, a steel wire rope 13 and a limiting sleeve 14, wherein the winding machine 10 is fixedly installed inside the top end of the fixed beam 11, the steel wire rope 13 is fixedly connected inside the winding machine 10, the limiting sleeve 14 is symmetrically sleeved on an outer ring of the steel wire rope 13 in a sliding manner, one end of the connecting support frame 12 is fixedly connected to the top of the side end of the limiting sleeve 14, and the other end of the connecting support frame 12 is fixedly connected to the bottom end of the fixed beam 11;
as shown in fig. 6, the fixed clamping device 5 includes a limit fixing nut 15, a limit cylinder 16, a contact stop lever 17, a limit clamping jaw 18, a movable supporting groove 19, a connecting support plate 20, a limit fixing clamp key 21, and a threaded rod 22, wherein the movable supporting groove 19 is symmetrically arranged inside the connecting support plate 20, the limit fixing clamp key 21 is symmetrically inserted into the movable supporting groove 19 in a sliding manner, the limit clamping jaw 18 is fixedly connected to the bottom end of the limit fixing clamp key 21, the threaded rod 22 is symmetrically inserted between the limit fixing clamp key 21 and the limit fixing clamp key 21 in a sliding manner, the limit fixing nut 15 is symmetrically and equidistantly threaded on outer rings at two ends of the threaded rod 22, the limit cylinder 16 is symmetrically and fixedly connected to two sides of the connecting support plate 20, and the contact stop lever 17 is symmetrically inserted into the side end of the limit cylinder 16 in a sliding manner;
as shown in fig. 7, the movable supporting mechanism 2 includes a ceiling supporting structure 23 and a movable adjusting base 24, the ceiling supporting structure 23 is fixedly connected to the top end of the movable adjusting base 24;
as shown in fig. 8, the ceiling supporting structure 23 includes a restraining collar 25, a first supporting side plate 26, a restraining ear plate 27, a protective tension pad 28, the protective stretching pad comprises a limiting hook 29, a rotating threaded rod 30, an output motor 31 and a second supporting side plate 32, wherein the output motor 31 is symmetrically and fixedly connected to the bottom of the side end of the second supporting side plate 32, one end of the rotating threaded rod 30 is fixedly connected to the center of the side end, away from the second supporting side plate 32, of the output motor 31, the other end of the rotating threaded rod 30 is rotatably connected to the side end of the first supporting side plate 26, a limiting snap ring 25 is symmetrically and fixedly connected to the top end of the first supporting side plate 26, a limiting lug plate 27 is slidably sleeved on the first supporting side plate 26, one end of the protective stretching pad 28 is fixedly connected to the limiting lug plate 27, the other end of the protective stretching pad 28 is fixedly connected to the inside of the second supporting side plate 32, and the limiting hook 29 is symmetrically and fixedly connected to the side end, close to the first supporting side plate 26, of the protective stretching pad 28;
as shown in fig. 9, the mobile adjusting base 24 includes a climbing ladder 33, a mobile gantry 34 and a limiting support chassis 35, the climbing ladder 33 is symmetrically and fixedly installed on one end of the mobile gantry 34, and the mobile gantry 34 is slidably inserted into the top end of the limiting support chassis 35.
Remove 34 both ends bottom fixed mounting of portal frame has the motor, and the side fixed mounting of motor has the gear, the inside fixedly connected with rack of spacing support chassis 35, winder 10, output motor 31, pneumatic stop device 6, there is electric connection between spacing cylinder 16 and motor and the external world, the spacing sand grip of bottom fixedly connected with of removing portal frame 34, and the inside of spacing support chassis 35 has seted up the recess, spacing sleeve 14 can carry out the multistage formula and stretch out and draw back, the groove has been seted up to the inside of second support curb plate 32, the cylinder hole has been seted up to the bottom of spacing otic placode 27, the material of the tensile pad 28 of protection is compound plastic, the side top fixed mounting of first support curb plate 26 has the support slide bar, the inside roll groove of having seted up of side of removing portal frame 34, anti-skidding line has been seted up on the inboard of spacing centre gripping jack catch 18.
In the implementation of the embodiment, before use, the device can be hoisted to between a pier and the pier by using an external crane, the prefabricated slab is transported to the bottom end of the limiting clamping jaw 18, the limiting clamping jaw 18 can be buckled on two sides of the prefabricated slab, the limiting fixing nuts 15 are screwed inwards respectively until the limiting fixing clamp keys 21 are driven to move towards the center in the moving support grooves 19 respectively, so that the limiting clamping jaw 18 can be driven to extrude inwards, meanwhile, the winding machine 10 can be started, so that the steel wire rope 13 can be driven to wind upwards, the steel wire rope 13 is symmetrically and fixedly connected to the side end of the limiting sleeve 14 through the connecting support frame 12 while the steel wire rope 13 is wound, the limiting sleeve 14 is sleeved on the outer ring of the steel wire rope 13, so that the prefabricated slab can be prevented from driving the steel wire rope 13 to swing when ascending, and the limiting sleeve 14 can perform multi-section expansion, therefore, the prefabricated slab can be lifted along with the lifting of the prefabricated slab, when the prefabricated slab is hoisted and transported to the air, the prefabricated slab is symmetrically and fixedly connected to two ends of the connecting support plate 20 through the limiting air cylinders 16, the contact stop rods 17 are symmetrically and slidably inserted in the contact stop rods 17, the contact stop rods 17 can be started, so that the contact stop rods 17 can be driven to respectively move inwards, the limiting fixing clamping keys 21 can be pushed inwards again, the stability of the limiting clamping jaws 18 can be greatly enhanced, anti-skidding lines are arranged in the limiting clamping jaws 18, when the prefabricated slab is contacted with the limiting clamping jaws 18, the contact stability can be improved, the phenomenon of skidding is avoided, when the prefabricated slab is hoisted and transported to a proper height, the output motor 31 can be started, so that the rotating threaded rod 30 can be driven to rotate, the limiting threaded holes 8 are symmetrically arranged in the side ends of the movable support beam 7, and the limiting threaded holes 8 are in threaded sleeves on the rotating threaded rod 30, when the rotating threaded rod 30 rotates, the moving support beam 7 can be driven to move forwards or backwards, the rotating threaded rod is symmetrically and rotatably connected to the inside of the bottom end of the moving support beam 7 through the auxiliary rolling wheels 9, a rolling groove is formed in the side end of the moving portal frame 34, the auxiliary rolling wheels 9 can be slidably clamped in the rolling groove, the smoothness of the moving support beam 7 during moving can be improved, meanwhile, the prefabricated slab can be moved to be in butt joint with a pier, when a certain difference exists between the prefabricated slab and the pier, the limiting cylinder 16 and the contact stop rod 17 at one end can be operated to contract inwards, the limiting cylinder 16 and the contact stop rod 17 at the other end are extruded forwards, the butt joint work between the prefabricated slab and the pier can be completed, the motors are fixedly installed at the bottoms of the two ends of the moving portal frame 34, gears are fixedly installed at the side ends of the motors, the motors can be started, and the moving portal frame 34 can be driven to move left and right, thereby driving the limiting clamping claw 18 to carry out parallel hoisting work, and the bottom end of the movable portal frame 34 is fixedly connected with a limiting convex strip, the limiting supporting chassis 35 is internally provided with a groove, the limiting convex strip is inserted in the groove in a sliding way, the movable portal frame 34 can be ensured to move along a straight line, the deflection phenomenon is avoided, when the weather is bad, one end of the protective stretching pad 28 is fixedly connected on the limiting ear plate 27, the other end of the protective stretching pad 28 is fixedly connected in the second supporting side plate 32, the pneumatic limiting device 6 can be aligned with the limiting ear plate 27, and then the pneumatic limiting device 6 is opened, thereby driving the interior of the pneumatic limiting device 6 to be upwards inserted in a cylindrical hole at the bottom end of the limiting ear plate 27, when the movable supporting beam 7 moves, the protective stretching pad 28 can be simultaneously driven to move forwards, the material of the protective stretching pad 28 is composite plastic, therefore, the stretching length of the protective stretching pad 28 can be allowed, meanwhile, the protective stretching pad 28 is symmetrically and fixedly connected to one end of the protective stretching pad 28 through the limiting hook 29, the limiting snap ring 25 is symmetrically and fixedly connected to the first supporting side plate 26, when the protective stretching pad 28 moves to a limit position, the limiting hook 29 can be driven to be hung and buckled inside the limiting snap ring 25, so that the rotating threaded rod 30 and the output motor 31 can be covered, the internal equipment is prevented from being wetted by rain, the supporting slide rod is fixedly connected to the inside of the first supporting side plate 26, the limiting ear plate 27 is slidably plugged on the supporting slide rod, so that the protective stretching pad 28 can be ensured to move forwards along a straight line, the protective stretching pad is symmetrically and fixedly installed on one end of the movable portal frame 34 through the climbing ladder 33, when weather becomes good, a worker can move to the top end of the climbing ladder 33, so that the limiting hook 29 can be taken out from the inside of the limiting snap ring 25, thereby facilitating subsequent repositioning of the guarded tension pad 28.
Example 2
On the basis of embodiment 1, as shown in fig. 10, the protection and stretching pad 28 further includes a connecting block 36, a limiting groove plate 37 and a return spring 38, the return spring 38 is symmetrically and fixedly connected inside the limiting groove plate 37, one side of the connecting block 36 is fixedly connected to the protection and stretching pad 28, the other end of the connecting block 36 is fixedly connected to the tail end of the return spring 38, and a square groove is formed inside the side end of the limiting groove plate 37.
In the implementation of this embodiment, when tensile pad 28 of protection is connecting block 36, spacing frid 37 and reset spring 38, can support between curb plate 26 and the second support curb plate 32 spacing frid 37 symmetry fixed connection, through connecting block 36 symmetry fixed connection on the both ends of tensile pad 28 of protection, and reset spring 38 symmetry fixed connection is in the inside of spacing frid 37, elasticity through reset spring 38 can drive connecting block 36 and the tensile pad 28 of protection and contract backward to accomplish the work that resets of tensile pad 28 of protection.
The method for erecting and using the precast slabs for the construction of the highway traffic bridge by using the equipment of the embodiment 1 and the embodiment 2 comprises the following steps:
s1: firstly, hoisting the device to a position between a pier and a pier by using an external crane, and inwards screwing a limiting fixing nut 15 to drive a limiting clamping claw 18 to inwards extrude;
s2: the winding machine 10 is started so as to drive the prefabricated slab to rise, the contact stop lever 17 can be started so as to drive the contact stop lever 17 to move inwards, the limiting and fixing clamping key 21 can be pushed inwards again, and the stability is improved;
s3: starting an output motor 31 to drive a rotating threaded rod 30 to rotate, and moving the prefabricated slab to the abutment;
s4: the limiting clamping jaws 18 can be driven to carry out parallel hoisting work by moving the motors fixedly arranged at the bottoms of the two ends of the portal frame 34.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a construction of highway transportation bridge is with prefabricated plate system of erectting, includes removal supporting mechanism (2), its characterized in that: the lifting and erecting mechanism (1) is inserted in the movable supporting mechanism (2) in a sliding mode.
2. The precast slab erection system for road traffic bridge construction according to claim 1, wherein: the lifting and erecting mechanism (1) comprises an auxiliary moving device (3), a fixed lifting device (4) and a fixed clamping device (5), wherein the auxiliary moving device (3) is fixedly connected to the top end of the fixed lifting device (4), and the fixed clamping device (5) is fixedly connected to the bottom end of the fixed lifting device (4); the auxiliary moving device (3) comprises a pneumatic limiting device (6), a moving supporting beam (7), a limiting threaded hole (8) and an auxiliary rolling wheel (9).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110375580.2A CN113047180A (en) | 2021-04-08 | 2021-04-08 | Precast slab erection system for highway traffic bridge construction and use method thereof |
| CN2021103755802 | 2021-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113957808A true CN113957808A (en) | 2022-01-21 |
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ID=76518914
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110375580.2A Pending CN113047180A (en) | 2021-04-08 | 2021-04-08 | Precast slab erection system for highway traffic bridge construction and use method thereof |
| CN202111502758.1A Withdrawn CN113957808A (en) | 2021-04-08 | 2021-12-10 | Precast slab erection system for highway traffic bridge construction and use method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110375580.2A Pending CN113047180A (en) | 2021-04-08 | 2021-04-08 | Precast slab erection system for highway traffic bridge construction and use method thereof |
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| Country | Link |
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| CN (2) | CN113047180A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622495A (en) * | 2022-03-15 | 2022-06-14 | 甘肃建投隧道工程有限公司 | Horizontal type assembling structure for highway bridge construction and using method thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735009B (en) * | 2021-09-08 | 2022-12-16 | 武汉船舶职业技术学院 | Bridge machine for lifting prefabricated part |
| CN113668406B (en) * | 2021-09-26 | 2023-04-11 | 河南国基建设集团有限公司 | Municipal construction prefabricated pier erecting device and erecting method thereof |
| CN114351599B (en) * | 2022-02-17 | 2024-04-02 | 北京城建中南土木工程集团有限公司 | Bridge girder erection machine structure for bridge engineering |
-
2021
- 2021-04-08 CN CN202110375580.2A patent/CN113047180A/en active Pending
- 2021-12-10 CN CN202111502758.1A patent/CN113957808A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622495A (en) * | 2022-03-15 | 2022-06-14 | 甘肃建投隧道工程有限公司 | Horizontal type assembling structure for highway bridge construction and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113047180A (en) | 2021-06-29 |
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Application publication date: 20220121 |