CN112027966A - Prestressing force jack removes erection equipment - Google Patents
Prestressing force jack removes erection equipment Download PDFInfo
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- CN112027966A CN112027966A CN202010699433.6A CN202010699433A CN112027966A CN 112027966 A CN112027966 A CN 112027966A CN 202010699433 A CN202010699433 A CN 202010699433A CN 112027966 A CN112027966 A CN 112027966A
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- Prior art keywords
- chain
- jack
- hinged
- adjusting
- top frame
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/20—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising load-carriers suspended from overhead traction chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0616—Suspended platforms, i.e. the load platform hangs from the base
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model provides a prestressing force jack removes erection equipment, relates to prestressing force concrete placement technical field, including base and roof-rack the base with install elevating system between the roof-rack, elevating system is used for control the lift of roof-rack hoisting mechanism is installed to the roof-rack lower extreme, hoisting mechanism includes transfer chain and two at least lifting hooks, the horizontal angle of transfer chain is adjustable, the lifting hook is installed on the transfer chain, and the lifting hook can be followed the transfer chain direction removes. The invention can move and adjust the angle of the prestress jack, so that the prestress jack is convenient and simple to install, high in safety and high in efficiency.
Description
Technical Field
The invention relates to the technical field of prestressed concrete pouring, in particular to prestressed jack mobile installation equipment.
Background
The prestressed concrete structure is characterized in that before the structure bears load, pressure is applied to concrete in advance during pouring, and in this way, tensile stress generated inside the concrete structure under the action of external load is counteracted. Therefore, the prestressed concrete continuous bridge has the advantages of small deformation caused by load, good structural stress performance, reduction of generated expansion joints, simpler shape, strong power disturbance resistance, smooth and comfortable driving, small maintenance work amount and the like, and is increasingly applied to the prestressed concrete continuous bridge in recent years.
The prestressed concrete pouring comprises a pre-tensioning method and a post-tensioning method, wherein the post-tensioning method is a construction method for firstly pouring concrete and then tensioning prestressed steel to form a prestressed concrete member after the concrete reaches over 75% of the designed strength, and specifically comprises the following steps: firstly, manufacturing a member (pouring concrete), reserving a corresponding hole channel in the member body according to the position of a prestressed tendon, penetrating the prestressed tendon into the reserved hole channel for tensioning after the concrete strength of the member reaches the specified strength (generally not lower than 75% of the design strength standard value), anchoring the tensioned prestressed tendon at the end part of the member by using an anchorage device at the end part of the member, and transmitting the pretensioning force of the prestressed tendon to the concrete by using the anchorage device at the end part of the member to generate the prestress; and finally, pouring cement slurry into the pore channel to enable the prestressed tendons and the concrete member to form a whole.
The prestressed tendons are usually steel tendons, and stress concentration positions are taken as distribution points during distribution, so that the prestressed tendons are usually distributed in a curve shape, the reserved hole angle is not vertical to the side face of the concrete member, and the tensioning direction of the prestressed tendons is consistent with the hole direction.
Because the tensioning process of the prestressed tendons is complex and high in quality requirement, and the prestressed jacks used for tensioning are heavy, about 200kg-300kg, in the traditional method, an operator needs to manually drag the prestressed jacks, and the supports are erected for multiple times to be manually installed by using the chain block to hoist the prestressed jacks, the hoisting holes are reserved in the top plate when box girders are required to be poured during box indoor tensioning, and the supports are erected above the hoisting holes again to be manually installed by using the chain block to hoist the prestressed jacks, so that the material and labor cost are increased in the construction process, the installation quality and efficiency are not high, and the potential safety hazard is large.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a prestress jack moving and mounting device which can move and be adjustable in angle relative to a prestress jack, so that the prestress jack is convenient and simple to mount, high in safety and high in efficiency.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a prestressing force jack removes erection equipment, includes base and roof-rack the base with install elevating system between the roof-rack, elevating system is used for control the lift of roof-rack hoisting machine constructs is installed to the roof-rack lower extreme, hoisting machine constructs including transfer chain and two at least lifting hooks, the horizontal angle of transfer chain is adjustable, the lifting hook is installed on the transfer chain, and the lifting hook can be followed the transfer chain direction removes.
Preferably, the hoisting mechanism comprises two fixed chain wheels and two adjusting chain wheels, the two fixed chain wheels are respectively installed at two ends of the top frame, one of the fixed chain wheels is a power wheel and is connected with a motor, the two adjusting chain wheels are respectively installed at the lower ends of the two fixed chain wheels, a chain is wound on the four chain wheels for transmission, the conveying line is a chain part between the two adjusting chain wheels, and the lifting hook is fixedly installed on the chain; the adjusting chain wheel is installed on a vertical adjusting mechanism, and the vertical adjusting mechanism can control the adjusting chain wheel to vertically move. Two fixed sprocket horizontal installation and fixed relatively, two adjusting sprocket install the lower extreme at two fixed sprocket to vertical adjustment mechanism can control reciprocating of adjusting sprocket, consequently can adjust the horizontal contained angle of transfer chain, thereby adjust the hoist and mount inclination of hoisting the prestressing force jack on the lifting hook, make hoist and mount installation simple and convenient.
Preferably, tensioning wheels are respectively installed between the vertically opposite fixed chain wheels and the vertically opposite adjusting chain wheels, the chain is wound on the tensioning wheels, the tensioning wheels are installed on the transverse adjusting mechanism, and the transverse adjusting mechanism can control the tensioning wheels to transversely move. The take-up pulley setting can increase the length of chain, consequently can increase the vertical shift position of adjusting sprocket to can increase the control range of transfer chain horizontal included angle.
Preferably, the vertical adjusting mechanism comprises a first sliding groove vertically installed at the lower end of the top frame, a first sliding block is installed in the first sliding groove and vertically slides, a first screw rod is installed in the first sliding groove in a rotating mode, the first sliding block is sleeved on the first screw rod in a threaded connection mode, a first motor is installed at one end of the first screw rod and serves as a power source, and the adjusting chain wheel is installed on the first sliding block. The first sliding block can be driven to vertically move along the first sliding groove through rotation of the screw rod, and therefore the adjusting chain wheel mounted on the first sliding block can vertically move to adjust.
Preferably, the transverse adjusting mechanism comprises a second sliding chute horizontally mounted at the lower end of the top frame, a second sliding block is mounted in the second sliding chute and horizontally slides, a second lead screw is rotatably mounted in the second sliding chute, the second sliding block is sleeved on the second lead screw in a threaded connection manner, a second motor is mounted at one end of the second lead screw and serves as a power source, and the tensioning wheel is mounted on the second sliding block. The rotation of the second screw rod can drive the second sliding block to horizontally move along the second sliding groove, so that the tensioning wheel arranged on the second sliding block can horizontally move to adjust.
Preferably, hoisting mechanism still includes the frame track, the transfer chain does the frame track the downward fixed mounting of one end of roof-rack has the pole setting, the orbital one end tip of frame with the articulated connection of lower extreme of connecting rod the articulated vertical electric putter of installing of lower extreme of roof-rack, electric putter's tip articulates on the frame track install along the running gear of frame orbital motion on the frame track, lifting hook fixed mounting is in on the running gear. The vertical extension of the electric push rod can drive the frame rail to rotate around the lower end part of the vertical rod, so that the horizontal included angle of the frame rail can be adjusted, the hoisting inclination angle of the prestress jack hoisted on the lifting hook is adjusted, and the hoisting installation is simple and convenient.
Preferably, the track structure on the frame track is two racks, the traveling mechanism comprises a support plate and four gears serving as wheels, the gears are arranged on the support plate in four corners, a third motor is arranged on the support plate, and the third motor provides power for the gears; the lifting hook is fixedly arranged on the lower end face of the supporting plate. The four gears are meshed on the rack, and the motor three drives the gears to rotate, so that the whole travelling mechanism moves along the rack, and the hoisting prestress jack can be driven to move along the direction of the rack.
Preferably, the lifting mechanism comprises a plurality of groups of telescopic units, each telescopic unit comprises two cross hinged connecting rods, and the end parts of the adjacent telescopic units are hinged; one end part of two connecting rods of the telescopic unit at the uppermost end is hinged on the top frame, and the other end part of the two connecting rods is hinged on the top frame and can move along the top frame; one end of the two connecting rods of the telescopic unit at the lowest end is hinged on the base, the other end is connected to the cross rod of the base in a cross mode, the base is provided with a scissor jack, the scissor jack can drag the cross rod to move, and the moving direction is perpendicular to the hinged shaft of the telescopic unit.
Preferably, one side of roof-rack is articulated with the guard plate upper end, the lower extreme of guard plate is hung through chain block on the side of base, the guard plate face is located on the side that transfer chain one end tip corresponds. The protection plate has a protection effect when the prestressed jack is used for tensioning operation, and the anchorage device and the prestressed tendons are prevented from flying out to hurt people when accidents happen.
Preferably, the four corners of the base are provided with self-locking wheels.
The invention has the advantages that: the lifting mechanism controls the lifting of the top frame, the scissor jack pushes and pulls the cross rod, and the lifting of the top frame is realized by the telescopic unit connected with the cross rod, so that the prestressed jack can be hoisted for transportation and installation; the conveying line of the hoisting mechanism can be used as a conveying track to adjust the inclination angle of the hoisting prestress jack and enable the prestress jack to move along a certain inclination angle, so that the prestress jack is consistent with the pore channel angle during installation, the installation precision and efficiency are greatly improved, the operation is simple, convenient and flexible, one person can transport and install the prestress jack, and a large amount of labor cost is saved.
Drawings
Fig. 1 is a schematic front view of a prestress jack mobile installation apparatus in embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a hoisting mechanism of the prestress jack mobile installation device in embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of the vertical adjustment mechanism in fig. 2.
Fig. 4 is a schematic structural view of the lateral adjustment mechanism in fig. 2.
Fig. 5 is a front view schematically showing the elevating mechanism of fig. 1.
Fig. 6 is a schematic bottom view of the structure of fig. 5.
Fig. 7 is a structural diagram illustrating a state in which the temporary prestressing jack moves on the transportation line in the use mode of embodiment 1 of the present invention.
Fig. 8 is a structural diagram of a state in which the temporary prestressed jack is sleeved on the prestressed tendon in the use mode of embodiment 1 of the present invention.
Fig. 9 is a structural diagram of a state in which the prestressing jack moves on the transportation line in the second usage mode of embodiment 1 of the present invention.
Fig. 10 is a structural diagram of a state in which the prestressed jack is sleeved on the prestressed tendon in the second usage mode of embodiment 1 of the present invention.
Fig. 11 is a schematic structural view of a hoisting mechanism of the prestress jack mobile installation device in the embodiment 2 of the present invention.
Fig. 12 is a schematic top view of the traveling mechanism.
Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.
Detailed Description
The invention is further illustrated by the following figures and examples.
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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 invention.
Example 1
The utility model provides a 9 removal erection equipment on prestressing force jack, includes base 1 and roof-rack 2 the four corners position of base 1 is installed from locking wheel 3 and is used for removing whole equipment base 1 with install elevating system 4 between the roof-rack 2, elevating system 4 is used for control the lift of roof-rack 2 hoisting mechanism 5 is installed to 2 lower extremes of roof-rack, hoisting mechanism 5 includes transfer chain 52 and two lifting hooks 51, lifting hook 51 is connected for the chain, the horizontal angle of transfer chain 52 is adjustable, lifting hook 51 installs on the transfer chain 52, and lifting hook 51 can follow the removal of transfer chain 52 direction.
The hoisting mechanism 5 further comprises two fixed chain wheels 53 and two adjusting chain wheels 54, the two fixed chain wheels 53 are respectively installed at two ends of the top frame 2, one fixed chain wheel 53 is a power wheel and is connected with a motor, the two adjusting chain wheels 54 are respectively installed at the lower ends of the two fixed chain wheels 53, a chain 55 is wound on the four chain wheels for transmission, the conveying line 52 is a chain part between the two adjusting chain wheels 54, and the lifting hook 51 is fixedly installed on the chain 55; the adjusting chain wheel 54 is mounted on a vertical adjusting mechanism 56, and the vertical adjusting mechanism 56 can control the adjusting chain wheel 54 to vertically move. In addition, a tension pulley 57 is installed between the fixed sprocket 53 and the adjusting sprocket 54 which are vertically opposite, the chain 55 is wound on the tension pulley 57, the tension pulley 57 is installed on a lateral adjusting mechanism 58, and the lateral adjusting mechanism 58 can control the tension pulley 57 to move laterally.
In the embodiment of the invention, the hoisting mechanism 5 has the following functions and principles: the two fixed chain wheels 53 are relatively horizontally installed and fixed, the two adjusting chain wheels 54 are installed at the lower ends of the two fixed chain wheels 53, and the vertical adjusting mechanism 56 can control the adjusting chain wheels 54 to move up and down, so that the horizontal included angle of the conveying line 52 can be adjusted, the lifting inclination angle of the prestress jack 9 lifted on the lifting hook 51 is adjusted, and the lifting installation is simple and convenient; and the length of the chain 55 can be increased by arranging the tension wheel 57, so that the vertical moving position of the adjusting chain wheel 54 can be increased, and the adjusting range of the horizontal included angle of the conveying line 52 can be enlarged.
Further, in the embodiment of the present invention, the vertical adjusting mechanism 56 includes a first sliding groove 561 vertically installed at the lower end of the top frame 2, a first slider 562 is installed in the first sliding groove 561 and vertically slides, a first lead screw 563 is rotatably installed in the first sliding groove 561, the first slider 562 is screwed and sleeved on the first lead screw 563, a first motor 564 is installed at one end of the first lead screw 563 as a power source, and the adjusting sprocket 54 is installed on the first slider 562. The first lead screw 563 rotates to drive the first slide block 562 to vertically move along the first sliding groove 561, so that the adjusting chain wheel 54 mounted on the first slide block 562 can move up and down to be adjusted.
Further, in the embodiment of the present invention, the lateral adjustment mechanism 58 includes a second sliding chute 581 horizontally installed at the lower end of the top frame 2, a second slider 582 is installed in the second sliding chute 581 to horizontally slide, a second lead screw 583 is rotatably installed in the second sliding chute 581, the second slider 582 is screwed and sleeved on the second lead screw 583, a second motor 584 is installed at one end of the second lead screw 583 as a power source, and the tensioning wheel 57 is installed on the second slider 582. The second lead screw 583 can drive the second slide block 582 to horizontally move along the second slide groove 581, so that the tension wheel 57 mounted on the second slide block 582 can horizontally move for adjustment.
Further, in the embodiment of the present invention, the lifting mechanism 4 (since the lifting mechanism cannot be fully drawn out of one drawing, reference numeral 4 is not shown in the drawing) includes several sets of telescopic units, each telescopic unit includes two cross-hinged connecting rods 41, and the ends of adjacent telescopic units are hinged; one end part of two connecting rods 41 of the telescopic unit at the uppermost end is hinged on the top frame 2, and the other end part is hinged on the top frame 2 and can move along the top frame 2; one end of the two connecting rods 41 of the lowest telescopic unit is hinged on the base 1, the other end is connected with a cross rod 43 of the base 1 in a cross mode, a scissor jack 42 is installed on the base 1, and the scissor jack 42 can drag the cross rod 43 to move in a direction perpendicular to the hinged shaft of the telescopic unit.
Further, in the embodiment of the present invention, one side of the top frame 2 is hinged to an upper end of a protection plate 6, a lower end of the protection plate 6 is hung on a side edge of the base 1 through a chain block 7, and a plate surface of the protection plate 6 is located on a side surface corresponding to an end portion of the conveyor line 52. The protection plate 6 has a protection effect when the prestressed jack 9 is used for tensioning operation, and prevents the anchorage device and the prestressed tendons 8 from flying out to hurt people when accidents happen.
The use method of the embodiment of the invention comprises the following steps: the equipment moves to the position above the prestressed jack 9, the scissor jack 42 retracts, the lifting mechanism 4 descends, the lifting hook 51 is hung on the prestressed jack 9, the lifting mechanism 4 ascends to lift the prestressed jack 9, the adjusting chain wheel 54 and the tensioning wheel 57 move, the horizontal included angle of the conveying line 52 is adjusted to be the same as the horizontal included angle of the prestressed tendon 8, the driving chain 55 moves, the prestressed jack 9 moves along the conveying line 52 until the prestressed jack 9 is sleeved on the prestressed tendon 8, and the prestressed jack 9 is fixedly installed and then tensioned; in the present embodiment, as shown in fig. 7 to 10, two typical usage modes are given by taking two inclination angle modes of the tendon 8 as an example, wherein fig. 7 to 8 are state structure diagrams of a first usage mode, and fig. 9 to 10 are state structure diagrams of a second usage mode.
The embodiment of the invention has the advantages that: the lifting mechanism 4 controls the lifting of the top frame 2, the cross rod 43 is pushed and pulled through the scissor jack 42, and the lifting of the top frame 2 is realized by the telescopic unit connected with the cross rod 43, so that the prestressed jack 9 can be lifted for transportation and installation; the conveying line 52 of the hoisting mechanism 5 can be used as a conveying track to adjust the inclination angle of the hoisting prestress jack 9 and enable the prestress jack 9 to move along a certain inclination angle, so that the prestress jack 9 is consistent with the pore channel angle during installation, the installation precision and efficiency are greatly improved, the operation is simple, convenient and flexible, one person can transport and install the prestress jack 9, and a large amount of labor cost is saved.
Example 2
The structure and the connection relation of the embodiment 2 and the embodiment 1 are the same, and only the hoisting mechanism 5 has a difference, so the structure and the connection relation of the hoisting mechanism 5 are specifically as follows:
Further, in the embodiment of the present invention, the hoisting mechanism 5 further includes a frame rail 59, the conveying line 52 is the frame rail 59, an upright 510 is fixedly installed at one end of the top frame 2 downward, an end of the frame rail 59 is hinged to a lower end of the connecting rod 41, a vertical electric push rod 512 is hinged to a lower end of the top frame 2, an end of the electric push rod 512 is hinged to the frame rail 59, a traveling mechanism 513 that moves along the frame rail 59 is installed on the frame rail 59, and the hook 51 is fixedly installed on the traveling mechanism 513. The electric push rod 512 can vertically extend and retract to drive the frame rail 59 to rotate around the lower end part of the vertical rod 510, so that the horizontal included angle of the frame rail 59 can be adjusted, the hoisting inclination angle of the prestress jack 9 hoisted on the lifting hook 51 can be adjusted, and the hoisting installation is simple and convenient.
Further, in the embodiment of the present invention, the track structure on the frame track 59 is two racks, the traveling mechanism 513 includes a support plate 5131 and four gears 5132 as wheels, the gears 5132 are installed on the support plate 5131 in a four-corner arrangement, a motor III 5133 is installed on the support plate 5131, and the motor III 5133 provides power for the gears 5132; the hook 51 is fixedly installed on the lower end surface of the support plate 5131. The four gears 5132 are engaged with the rack, and the motor 5133 drives the gears 5132 to rotate, so that the whole travelling mechanism 513 moves along the rack, and the hoisting prestress jack 9 can move along the direction of the rack.
The use method of the embodiment of the invention comprises the following steps: the equipment moves to the upper side of the prestressed jack 9, the scissor jack 42 retracts, the lifting mechanism 4 descends, the lifting hook 51 is hung on the prestressed jack 9, the lifting mechanism 4 ascends to lift the prestressed jack 9, the electric push rod 512 stretches out and draws back to adjust the horizontal included angle of the frame rail 59 to be the same as the horizontal included angle of the prestressed rib 8, the motor 5133 drives the gear 5132 to move along the rack, the prestressed jack 9 moves along the direction of the rack until the prestressed jack 9 is sleeved on the prestressed rib 8, and the prestressed jack 9 is fixedly installed and then tensioned.
The structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the art, and any structural modifications, changes in proportions, or adjustments in size, which do not affect the efficacy and attainment of the same are intended to fall within the scope of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The invention has been described above with reference to preferred embodiments, but the scope of protection of the invention is not limited thereto, and all technical solutions falling within the scope of the claims are within the scope of protection of the invention. Various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.
Claims (10)
1. The utility model provides a prestressing force jack removes erection equipment, a serial communication port, includes base and roof-rack the base with install elevating system between the roof-rack, elevating system is used for control the lift of roof-rack hoisting mechanism is installed to the roof-rack lower extreme, hoisting mechanism includes transfer chain and two at least lifting hooks, the horizontal angle of transfer chain is adjustable, the lifting hook is installed on the transfer chain, and the lifting hook can be followed the transfer chain direction removes.
2. The prestress jack mobile installation equipment of claim 1, wherein the hoisting mechanism comprises two fixed chain wheels and two adjusting chain wheels, the two fixed chain wheels are respectively installed at two ends of the top frame, one of the fixed chain wheels is a power wheel and is connected with a motor, the two adjusting chain wheels are respectively installed at the lower ends of the two fixed chain wheels, a chain is wound on the four chain wheels for transmission, the conveying line is a chain part between the two adjusting chain wheels, and the lifting hook is fixedly installed on the chain; the adjusting chain wheel is installed on a vertical adjusting mechanism, and the vertical adjusting mechanism can control the adjusting chain wheel to vertically move.
3. The pre-stressed jack mobile mounting apparatus of claim 2, wherein a tensioning wheel is mounted between each of said vertically opposed fixed sprocket and said adjusting sprocket, said chain being wound around said tensioning wheel, said tensioning wheel being mounted on a lateral adjustment mechanism, said lateral adjustment mechanism being capable of controlling lateral movement of said tensioning wheel.
4. The prestress jack moving and mounting device as claimed in claim 2, wherein the vertical adjusting mechanism comprises a first sliding groove vertically mounted at the lower end of the top frame, a first sliding block is mounted in the first sliding groove and vertically slides, a first lead screw is rotatably mounted in the first sliding groove, the first sliding block is sleeved on the first lead screw in a threaded connection manner, a first motor is mounted at one end of the first lead screw and serves as a power source, and the adjusting chain wheel is mounted on the first sliding block.
5. The prestress jack moving and mounting device of claim 3, wherein the transverse adjusting mechanism comprises a second sliding groove horizontally mounted at the lower end of the top frame, a second sliding block is mounted in the second sliding groove and horizontally slides, a second lead screw is rotatably mounted in the second sliding groove, the second sliding block is sleeved on the second lead screw in a threaded connection manner, a second motor is mounted at one end of the second lead screw and serves as a power source, and the tensioning wheel is mounted on the second sliding block.
6. The prestress jack mobile installation equipment of claim 1, wherein the hoisting mechanism further comprises a frame rail, the conveying line is the frame rail, a vertical rod is fixedly installed downwards at one end of the top frame, one end of the frame rail is hinged to the lower end of the connecting rod, a vertical electric push rod is installed at the lower end of the top frame in a hinged mode, the end of the electric push rod is hinged to the frame rail, a traveling mechanism which moves along the frame rail is installed on the frame rail, and the lifting hook is fixedly installed on the traveling mechanism.
7. The prestress jack mobile installation equipment of claim 6, wherein the track structure on the frame track is two racks, the traveling mechanism comprises a support plate and four gears as wheels, the gears are arranged at four corners of the support plate, a third motor is arranged on the support plate, and the third motor provides power for the gears; the lifting hook is fixedly arranged on the lower end face of the supporting plate.
8. The pre-stress jack mobile mounting device of any one of claims 1-7, wherein the lifting mechanism comprises a plurality of sets of telescoping units, the telescoping units comprising two cross-hinged links, the ends of adjacent telescoping units being hinged; one end part of two connecting rods of the telescopic unit at the uppermost end is hinged on the top frame, and the other end part of the two connecting rods is hinged on the top frame and can move along the top frame; one end of the two connecting rods of the telescopic unit at the lowest end is hinged on the base, the other end is connected to the cross rod of the base in a cross mode, the base is provided with a scissor jack, the scissor jack can drag the cross rod to move, and the moving direction is perpendicular to the hinged shaft of the telescopic unit.
9. The prestress jack mobile installation equipment of claim 8, wherein one side of the top frame is hinged to the upper end of a protection plate, the lower end of the protection plate is hung on the side edge of the base through a chain block, and the plate surface of the protection plate is located on the side surface corresponding to the end part of one end of the conveying line.
10. The pre-stress jack mobile mounting apparatus of claim 9, wherein self-locking wheels are mounted at four corners of said base.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210451332.6A CN114803935A (en) | 2020-07-20 | 2020-07-20 | A prestressing force jack erection equipment for prestressed concrete stretch-draw |
| CN202010699433.6A CN112027966B (en) | 2020-07-20 | 2020-07-20 | Prestressing force jack removes erection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010699433.6A CN112027966B (en) | 2020-07-20 | 2020-07-20 | Prestressing force jack removes erection equipment |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210451332.6A Division CN114803935A (en) | 2020-07-20 | 2020-07-20 | A prestressing force jack erection equipment for prestressed concrete stretch-draw |
Publications (2)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114803935A (en) * | 2020-07-20 | 2022-07-29 | 中建筑港集团有限公司 | A prestressing force jack erection equipment for prestressed concrete stretch-draw |
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| CN104444865A (en) * | 2014-09-30 | 2015-03-25 | 苏州市汉诺威升降台有限公司 | Lifting equipment |
| CN204714485U (en) * | 2015-05-23 | 2015-10-21 | 河南省矿山起重机有限公司 | A kind of coil of strip elevator |
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| CN114803935A (en) * | 2020-07-20 | 2022-07-29 | 中建筑港集团有限公司 | A prestressing force jack erection equipment for prestressed concrete stretch-draw |
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| CN112027966B (en) | 2022-06-10 |
| CN114803935A (en) | 2022-07-29 |
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