CN108149588A - A kind of Segmental assembling bridge-erecting machine for adapting to small curve radius bridge - Google Patents
A kind of Segmental assembling bridge-erecting machine for adapting to small curve radius bridge Download PDFInfo
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- CN108149588A CN108149588A CN201711439933.0A CN201711439933A CN108149588A CN 108149588 A CN108149588 A CN 108149588A CN 201711439933 A CN201711439933 A CN 201711439933A CN 108149588 A CN108149588 A CN 108149588A
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Classifications
-
- 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
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses a kind of Segmental assembling bridge-erecting machines for adapting to small curve radius bridge, its structure includes movable stand, first support, headstock, compartment, fine strain of millet piece, second support, micro-tensioning system, third supporting rack, compartment and headstock mechanical connection, headstock is internally provided with motor, first support is fixed on compartment, first support top is equipped with movable stand, the present invention is equipped with micro-tensioning system, finely tune correction system, walk balanced structure, Weighting system, increase the weight of pedestal, improve its stability, center of gravity reduces, can also center of gravity adjusting be carried out according to fine tuning correction system, suitable for any bridge, the particularly beam oblique cut grafting of small curve radius bridge, when third supporting rack is unfolded fixed, the steady heart in chassis is low, external force auxiliary need to be increased, reduce the set time, shorten time cost.
Description
Technical field
The present invention is a kind of Segmental assembling bridge-erecting machine for adapting to small curve radius bridge, belongs to Bridge Erector field.
Background technology
Bridge Erector is exactly the equipment that prefabricated beam piece is placed into prefabricated bridge pier and is got on, and Bridge Erector belongs to crane
Scope because its major function is to lift beam piece, is put down after being then transported to position, Bridge Erector and lifting in general sense
Machine is very different, it is required that condition it is harsh, and there are the traveling of beam on piece or cry vertical shift, Bridge Erector is divided into erection
Highway bridge, conventional railway bridge, railway of passengers' private line bridge etc. are several, and the traffic bridge construction of modernization be unable to do without Bridge Erector, small curve half
Diameter bridge increases the overlap joint for focusing on beam piece, and the precision of overlap joint directly affects bearing capacity and the service life of bridge, existing
Bridge overlap joint needs to be finely adjusted, i.e. vertical shift adjusts position relationship, when being finely adjusted using hydraulic cylinder, it is impossible to it is precisely controlled,
There is no accurate critique system, can generate fine distinction, and need during overlap joint to use stent and be supported, it is existing
Supporting mechanism bottom heaviness is inadequate, support it is unstable and bottom installation external force is needed to assist, expend the time it is long, need two days with
On time, when needing more overlap joint beam piece, time cost is high.
Invention content
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of segment spellings for adapting to small curve radius bridge
Bridge Erector is filled, inadequate to solve existing supporting mechanism bottom heaviness, support is unstable and installation needs external force to assist in bottom,
It is long to expend the time, needs the time of two days or more, when needing more overlap joint beam piece, the problem of time cost is high.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of adaptation small curve radius
The Segmental assembling bridge-erecting machine of bridge, structure include movable stand, first support, headstock, compartment, fine strain of millet piece, second support, fine tuning system
System, third supporting rack, the compartment and headstock mechanical connection, the headstock are internally provided with motor, consolidate on the compartment
Surely first support is equipped with, the first support top is equipped with movable stand, the movable stand and compartment keeping parallelism, described
The movable stand other end third supporting rack is installed, the third supporting rack is internally provided with two symmetrical micro-tensioning systems, described
Micro-tensioning system be electrically connected with headstock, second support is installed between the first support and third supporting rack, described
Fine strain of millet piece is placed on two stents.
The micro-tensioning system by center linkage structure, power drive mechanism, fine tuning correction system, indirect drive mechanism,
Synchronous balance structure, frame body, Weighting system composition, the power drive mechanism set there are two and are evenly distributed on third support
Top of the trellis both sides are simultaneously connect with electromechanics, and the power drive mechanism passes through underlying center linkage structure and fine tuning
Correction system is electrically connected, and also and indirect drive mechanism mechanical connection, the indirect drive mechanism are same by what is be disposed below
Step balanced structure is matched with Weighting system.
Further, it is solid to be equipped with square fixed block, center column spinner, the first spring, spring for the center linkage structure
Fixed column, engaging column, the first traction rope, pushing block, trapezoidal pushing block, motion bar, the motion bar are equipped with the water chestnut of four compositions
Shape adjustable shelf, above two motion bars be fixed together by engaging column, the motion bar of side two is fixed on pushing block, described
Diamond shape adjustable shelf middle be equipped with square fixed block, the square fixed block rear and front end is embedded in by center column spinner
Frame body inner wall, is equipped with the first spring between the square fixed block upper and lower ends and spring fixed column, the spring is consolidated
Fixed column is fixedly installed togather with engaging column, and one is fixed on by the first traction rope between the center column spinner and engaging column
It rises.
Further, the power drive mechanism is equipped with motor output shaft, synchronous belt, belt pulley, the first belt, the
Two belt pulleys, fixed pulling rope, fixed seat, drive, the motor output shaft and are in the side of horizontal plane together positioned at it
Belt pulley by synchronous belt synchronized links, the belt pulley with to be disposed below the second belt pulley synchronous by the first belt
Connection, the diameter of the belt pulley are more than the second diameter pulley, and the second belt pulley fixed pulling rope, which bypasses, to be located at
Drive and center column spinner below is tied, and second belt pulley is vertically fixed on by fixed seat in frame body
Wall, the motor output shaft are located at the surface of frame body and are connect with positioned at headstock electromechanics.
Further, fine tuning correction system is equipped with contact block, L-type conducting rod, electric wire, the first sensing block, output
Line, conduit mitigate wheel, inverted T shaped hanger bar, and the inverted T shaped hanger bar is equipped with two and is evenly distributed on trapezoidal pushing block
Fitting is slided in both sides, the trapezoidal pushing block and inverted T shaped hanger bar bottom surface, and the vertical end of the inverted T shaped hanger bar is vertical
The straight inner wall for being welded on frame body, described that side of inverted T shaped hanger bar horizontal ends far from trapezoidal pushing block has by electric welding
One has L-type conducting rod, and the L-type conducting rod faces the welding of that side of trapezoidal pushing block, and there are one contact block, the ladders
Also there are one contact block, the contact block described in the two is located at same level, the L-type conducting rod for electric welding on shape pushing block
By electric wire connection there are one the first sensing block, the described first sensing block sets there are two and piles mutually, two first biographies
The distance between block is felt for air gap, the first sensing block described in another and the contact block electrical connection on trapezoidal pushing block,
It being set below the first sensing block there are one conduit, the conduit other end is equipped with mitigation and takes turns, and described first
Sensing block is bypassed through conduit with electric wire and is electrically connected after mitigation is taken turns with headstock using termination power.
Further, the indirect drive mechanism is equipped with axostylus axostyle, spur rack, idler wheel, slideway, sector gear, perforation, institute
The axostylus axostyle level stated is welded on that side frame body inner wall far from center linkage structure, and frame body inner wall opposite with axostylus axostyle is provided with to be justified together
Columnar slideway, end of the axostylus axostyle far from frame body inner wall are equipped with sector gear, the sector gear and positioned at it
The spur rack in left side is meshed, and there are two idler wheels back to that side lower horizontal installation of sector gear for the spur rack, described
Idler wheel be also located in slideway and therewith using being slidably matched, the spur rack top is touched with inverted T shaped hanger bar activity, institute
The spur rack top stated has lacked a vee close to that side of trapezoidal pushing block.
Further, the synchronous balance structure is equipped with the first angular wheel, rotary shaft, third angular wheel, puts down
Weigh bar, synchronous rope sheave, and the both ends horizontal of the balancing pole is welded on frame body inner wall both sides, third angular wheel installation
In the middle of balancing pole, the balancing pole is located above Weighting system, the frame between the balancing pole and Weighting system
Internal wall both sides are installed with synchronous rope sheave, the synchronization rope sheave set there are two and mutually symmetrical with, described third cone
Shape gear set there are two and Vertical Meshing, first angular wheel set there are two and the two Vertical Meshing, wherein one
It is mechanically connected between a the third angular wheel and the first angular wheel by rotary shaft, the balancing pole and rotation
Axostylus axostyle is orthogonal, the first angular wheel described in another and is punched through rope and is fixed together.
Further, the Weighting system sets a word hangers, screw rod, clump weight, wedge mouth, card hole, second spring, consolidates
Determine part, a word hangers plane perpendicular is welded with a screw rod, and there are one match the other end vertical welding of the volume screw rod
Pouring weight, the clump weight and wedge mouth match, and the wedge mouth is the bottom for being opened in frame body, the bottom of the wedge mouth
Portion two sides are provided with card hole, are set in the card hole there are one fixing piece, the fixing piece is ladder structure of right angle, described
Fixing piece and card hole are installed between that side of frame body there are one second spring, and the fixing piece is used with card hole and is slidably matched
Mode, the both ends of a word hangers, which are opened, bypasses the synchronization rope sheave that is positioned above both sides and the there are one opening rope
Triconic gear drive connects.
Advantageous effect
A kind of Segmental assembling bridge-erecting machine for adapting to small curve radius bridge of the present invention, the electrical power movement of equipment, motor
Output shaft then under belt pulley, the second pulley drive, makes transmission more steady, finally in fixed pulling rope with rotation
The center column spinner of center linkage structure is allowed to rotate under effect, the first traction rope is shunk, and the first spring is compressed, positioned at both sides ladder
Shape pushing block is pushed out, and gradually pushes away spur rack down, and the distance of two first contact blocks constantly reduces, and finally touches, therewith
The air gap of associated two first sensings block is gradually increasing, and the variation of air gap causes the variation of inductance value, and inductance signal passes through
Termination power processing, voltage signal is converted by inductance signal, after building wave, linearity correction and amplification.Transport to range swithching into
Circuit, then give ammeter by circuit, it is indicated that relative variation is adjusted the output quantity of motor according to this variable quantity, indirectly
The effect of center of gravity fine tuning is played, secondly, the sector gear being engaged with can be driven to operate during spur rack decline, in rope
Under the action of, synchronous balance structure starts running, and by the transmission of the first angular wheel, third angular wheel, power is uniformly divided
Could be two strands behind booth, it slacks off, left-right balance drive is closed after being suspended on the uniform decline of clump weight of screw rod with wedge tone, will
Fixing piece contracts toward card hole, fill up clump weight and the long-term skimming wear of wedge mouth and caused by gap, increase compactness, clump weight
Decline, increase third supporting rack bottom heaviness, center of gravity also reduces, and improves the stability of its support, it is possible to reduce bottom installation
Process need not increase external force auxiliary, improve stability, be third angular wheel long-time service in order to prevent in this balancing pole
Shifting causes strength to share unevenness, and the present invention is equipped with micro-tensioning system, fine tuning correction system, step balanced structure, Weighting system,
Increase the weight of pedestal, improve its stability, center of gravity reduces, and can also carry out center of gravity adjusting according to fine tuning correction system, fit
For the beam oblique cut grafting of any bridge, particularly small curve radius bridge, when third supporting rack is unfolded fixed, the steady heart in chassis
It is low, external force auxiliary need to be increased, reduce the set time, shorten time cost.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of structure diagram for the Segmental assembling bridge-erecting machine for adapting to small curve radius bridge of the present invention.
Fig. 2 is the structure diagram of micro-tensioning system of the present invention.
Fig. 3 is the detailed construction schematic diagram of micro-tensioning system of the present invention.
Fig. 4 is the schematic enlarged-scale view of A in Fig. 3.
Fig. 5 is the schematic enlarged-scale view of B in this Fig. 3.
In figure：Movable stand -1, first support -2, headstock -3, compartment -4, fine strain of millet piece -5, second support -6, micro-tensioning system -7,
Third supporting rack -8, center linkage structure -71, power drive mechanism -72, fine tuning correction system -73, indirect drive mechanism -74,
Synchronous balance structure -75, frame body -76, Weighting system -77, square fixed block -711, center column spinner -712, the first spring -
713rd, spring fixed column -714, engaging column -715, the first traction rope -716, pushing block -717, trapezoidal pushing block -718, activity
Bar -719, synchronous belt -722, belt pulley -723, the first belt -724, the second belt pulley -725, is consolidated motor output shaft -721
Determine drawstring -726, fixed seat -727, drive -728, contact block -731, L-type conducting rod -732, electric wire -733, the first sensing
Block -734, output line -735, conduit -736, mitigate wheel -737, inverted T shaped hanger bar -738, axostylus axostyle -741, spur rack -742,
Idler wheel -743, slideway -744, sector gear -745, the -746, first angular wheel -751 of perforation, rotary shaft -752, third cone
Shape gear -753, balancing pole -754, synchronous rope sheave -755, a word hangers -771, screw rod -772, clump weight -773, wedge mouth -
774th, card hole -775, second spring -776, fixing piece -777.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, with reference to
Specific embodiment, the present invention is further explained.
Embodiment
- Fig. 5 is please referred to Fig.1, the present invention provides a kind of Segmental assembling bridge-erecting machine for adapting to small curve radius bridge, structure
It is described including movable stand 1, first support 2, headstock 3, compartment 4, fine strain of millet piece 5, second support 6, micro-tensioning system 7, third supporting rack 8
Compartment 4 and headstock 3 be mechanically connected, the headstock 3 is internally provided with motor, and first support is fixed on the compartment 4
2,2 top of first support is equipped with movable stand 1,4 keeping parallelism of the movable stand 1 and compartment, the movable stand 1
The other end is equipped with third supporting rack 8, and the third supporting rack 8 is internally provided with two symmetrical micro-tensioning systems 7, the fine tuning
System 7 is electrically connected with headstock 3, is equipped with second support 6 between the first support 2 and third supporting rack 8, and described second
Fine strain of millet piece 5 is placed on stent 6.
The micro-tensioning system 7 is by center linkage structure 71, power drive mechanism 72, indirectly fine tuning correction system 73, biography
Motivation structure 74, synchronous balance structure 75, frame body 76, Weighting system 77 form, and the power drive mechanism 72 is set there are two simultaneously
It is evenly distributed on 8 top both sides of third supporting rack and is connect with electromechanics, under the power drive mechanism 72 is by being located at
The center linkage structure 71 and fine tuning correction system 73 of side are electrically connected, and are also mechanically connected with indirect drive mechanism 74, between described
Transmission mechanism 74 is connect to match with Weighting system 77 by the synchronous balance structure 75 being disposed below.
The center linkage structure 71 is equipped with square fixed block 711, center column spinner 712, the first spring 713, spring
Fixed column 714, engaging column 715, the first traction rope 716, pushing block 717, trapezoidal pushing block 718, motion bar 719, the work
Lever 719 be equipped with four composition diamond shape adjustable shelfs, above two motion bars 719 be fixed together by engaging column 715, side
Two motion bars 719 are fixed on pushing block 717, and the middle of the diamond shape adjustable shelf is equipped with square fixed block 711, described
711 rear and front end of square fixed block by center column spinner 712 embedded in 76 inner wall of frame body, in the square fixed block 711
First spring 713 is installed, the spring fixed column 714 is fixed with engaging column 715 between lower both ends and spring fixed column 714
It is installed together, is fixed together between the center column spinner 712 and engaging column 715 by the first traction rope 716.
The power drive mechanism 72 is equipped with motor output shaft 721, synchronous belt 722, belt pulley 723, the first belt
724th, the second belt pulley 725, fixed pulling rope 726, fixed seat 727, drive 728, the motor output shaft 721 and positioned at it
The belt pulley 723 of the side of horizontal plane is in together by 722 synchronized links of synchronous belt, the belt pulley 723 and positioned at it
The second belt pulley of lower section 725 is more than the second belt pulley by 724 synchronized links of the first belt, the diameter of the belt pulley 723
725 diameters, second belt pulley 725 bypass the drive 728 being disposed below and center column spinner with fixed pulling rope 726
712 are tied, and second belt pulley 725 is vertically fixed on 76 inner wall of frame body by fixed seat 727, and the motor is defeated
Shaft 721 is located at the surface of frame body 76 and is connect with positioned at 3 electromechanics of headstock.
Described fine tuning correction system 73 be equipped with contact block 731, L-type conducting rod 732, electric wire 733, first sense block 734,
Output line 735, conduit 736 mitigate wheel 737, inverted T shaped hanger bar 738, and the inverted T shaped hanger bar 738 is equipped with two simultaneously
Even to be distributed in trapezoidal 718 both sides of pushing block, fitting, institute are slided in the trapezoidal pushing block 718 and 738 bottom surface of inverted T shaped hanger bar
The vertical end of inverted T shaped hanger bar 738 stated is to be vertically welded in the inner wall of frame body 76,738 horizontal ends of inverted T shaped hanger bar
That side far from trapezoidal pushing block 718 is by electric welding there are one there is L-type conducting rod 732, and the L-type conducting rod 732 is just
Against the welding of trapezoidal that side of pushing block 718 there are one contact block 731, also there are one connect for electric welding on the trapezoidal pushing block 718
Contact block 731, the contact block 731 described in the two are located at same level, and the L-type conducting rod 732 is connected by electric wire 733
There are one the first sensing block 734, the described first sensing block 734 sets there are two and piles mutually, two first sensing blocks 734
The distance between for air gap, 731 electricity of the first sensing block 734 described in another and the contact block on trapezoidal pushing block 718
Connection, 734 lower section of the described first sensing block are set there are one conduit 736, and 736 other end of conduit is equipped with mitigation
Wheel 737, the described first sensing block 734 is with electric wire 733 through conduit 736 around mitigating after wheel 737 with headstock 3 using coupling
Circuit is electrically connected.
The indirect drive mechanism 74 is equipped with axostylus axostyle 741, spur rack 742, idler wheel 743, slideway 744, sector gear
745th, perforation 746,741 level of axostylus axostyle is welded on that 76 inner wall of side frame body far from center linkage structure 71, with axostylus axostyle
741 opposite 76 inner walls of frame body are provided with columned slideway 744 together, end peace of the axostylus axostyle 741 far from 76 inner wall of frame body
Equipped with sector gear 745, the sector gear 745 and the spur rack 742 on the left of it are meshed, the spur rack
742 back to sector gear 745 lower horizontal installation of that side there are two idler wheel 743, the idler wheel 743 is also located at slideway 744
Interior and therewith using being slidably matched, 742 top of spur rack is touched with inverted T shaped 738 activity of hanger bar, the spur rack
742 tops have lacked a vee close to trapezoidal that side of pushing block 718.
The synchronous balance structure 75 be equipped with the first angular wheel 751, rotary shaft 752, third angular wheel 753,
Balancing pole 754, synchronous rope sheave 755, the both ends horizontal of the balancing pole 754 are welded on 76 inner wall both sides of frame body, and described the
Triconic gear 753 is mounted on the middle of balancing pole 754, and the balancing pole 754 is located at 77 top of Weighting system, described
76 inner wall both sides of frame body between balancing pole 754 and Weighting system 77 are installed with synchronous rope sheave 755, the synchronization rope sheave
755 set there are two and it is mutually symmetrical with, the third angular wheel 753 set there are two and Vertical Meshing, described first
Angular wheel 751 set there are two and the two Vertical Meshing, 753 and first conical tooth of third angular wheel described in one of them
It being mechanically connected between wheel 751 by rotary shaft 752, the balancing pole 754 and rotary shaft 752 are orthogonal, another
First angular wheel 751 and perforation 746 are fixed together by rope.
The Weighting system 77 sets a word hangers 771, screw rod 772, clump weight 773, wedge mouth 774, card hole 775,
Two springs 776, fixing piece 777,771 plane perpendicular of a word hangers are welded with a screw rod 772, the volume screw rod 772
Other end vertical welding there are one clump weight 773, the clump weight 773 and wedge mouth 774 match, the wedge mouth
774 be the bottom for being opened in frame body 76, and the two bottom sides face of the wedge mouth 774 is provided with card hole 775, in the card hole 775
If there are one fixing piece 777, the fixing piece 777 is ladder structure of right angle, and the fixing piece 777 and card hole 775 are close
There are one second springs 776 for installation between that side of frame body 76, and the fixing piece 777 is with card hole 775 using the side being slidably matched
755 He of synchronization rope sheave for being bypassed there are one opening rope and being positioned above both sides is opened at formula, the both ends of a word hangers 771
Third angular wheel 753 is sequentially connected.
The electrical power movement of equipment, motor output shaft 721 is with rotation, then in belt pulley 723, the second belt pulley
Under 725 transmissions, make transmission more steady, the center of center linkage structure 71 is finally allowed to rotate under the action of fixed pulling rope 726
Column 712 rotates, and the first traction rope 716 is shunk, and the first spring 713 is compressed, and positioned at both sides, trapezoidal pushing block 718 is pushed out, by
Step pushes away spur rack 742 down, and the distance of two first contact blocks 731 constantly reduces, and finally touches, and two be associated the
The air gap of one sensing block 734 is gradually increasing, and the variation of air gap causes the variation of inductance value, inductance signal by termination power at
Reason, voltage signal is converted by inductance signal, after building wave, linearity correction and amplification.Range swithching is transported into circuit, then by electricity
Give ammeter in road, it is indicated that relative variation is adjusted the output quantity of motor according to this variable quantity, plays center of gravity fine tuning indirectly
Effect, secondly, spur rack 742 decline during the sector gear being engaged with 745 can be driven to operate, in the effect of rope
Under, synchronous balance structure 75 starts running, and by the transmission of the first angular wheel 751, third angular wheel 753, power is uniform
After sharing could two strands, slack off, left-right balance drive be suspended on screw rod 772 clump weight 773 uniformly decline after with wedge
Mouthfuls 774 coincide, and fixing piece 777 is contracted toward card hole 775, fill up clump weight 773 and 774 long-term skimming wear of wedge mouth and caused by
Gap increases compactness, and the decline of clump weight 773 increases by 8 bottom heaviness of third supporting rack, and center of gravity also reduces, and improves its support
Stability, it is possible to reduce bottom installation process need not increase external force auxiliary, improve stability, in this balancing pole 754
It is that the long-time service of third angular wheel 753 in order to prevent shifts strength is caused to share unevenness, the present invention is equipped with micro-tensioning system
7th, fine tuning correction system 73, step balanced structure 75, Weighting system 77 increase the weight of pedestal, improve its stability, center of gravity drop
It is low, can also center of gravity adjusting be carried out according to fine tuning correction system 73, suitable for any bridge, particularly small curve radius bridge
Beam oblique cut grafting, when third supporting rack 8 is unfolded fixed, the steady heart in chassis is low, need to increase external force auxiliary, reduce the set time, contracting
Short time cost.
Inverted T shaped hanger bar 738 of the present invention, which is adopted, to be made from an insulative material, and electric conductivity is poor, such as polyester material.
The present invention solves the problems, such as it is that existing supporting mechanism bottom heaviness is inadequate, and support is unstable and installation needs in bottom
External force is wanted to assist, the consuming time is long, needs the time of two days or more, and when needing more overlap joint beam pieces, time cost is high, of the invention
By being combined with each other for above-mentioned component, the present invention is equipped with micro-tensioning system 7, fine tuning correction system 73, step balanced structure 75, counterweight system
System 77 increases the weight of pedestal, improves its stability, and center of gravity reduces, and can also carry out center of gravity according to fine tuning correction system 73
It adjusts, suitable for the beam oblique cut grafting of any bridge, particularly small curve radius bridge, when third supporting rack 8 is unfolded fixed, bottom
The steady heart of disk is low, need to increase external force auxiliary, reduce the set time, shorten time cost.
The basic principles, main features and the advantages of the invention have been shown and described above, for this field skill
For art personnel, it is clear that the present invention is not limited to the details of above-mentioned exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes falling within the meaning and scope of the equivalent requirements of the claims in the present invention
It is interior.Any reference numeral in claim should not be considered as to the involved claim of limitation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (8)
1. it is a kind of adapt to small curve radius bridge Segmental assembling bridge-erecting machine, structure include movable stand (1), first support (2),
Headstock (3), compartment (4), fine strain of millet piece (5), second support (6), micro-tensioning system (7), third supporting rack (8), the compartment (4) and
Headstock (3) is mechanically connected, and the headstock (3) is internally provided with motor, first support (2) is fixed on the compartment (4),
Described first support (2) top is equipped with movable stand (1), the movable stand (1) and compartment (4) keeping parallelism, described
Movable stand (1) other end is equipped with third supporting rack (8), and the third supporting rack (8) is internally provided with two symmetrical fine tuning systems
It unites (7), it is characterised in that：
The micro-tensioning system (7) is electrically connected with headstock (3), is installed between the first support (2) and third supporting rack (8)
There is second support (6), fine strain of millet piece (5) is placed in the second support (6), the micro-tensioning system (7) is linked by center and tied
Structure (71), power drive mechanism (72), fine tuning correction system (73), indirect drive mechanism (74), synchronous balance structure (75), frame
Body (76), Weighting system (77) composition；
The power drive mechanism (72) set there are two and be evenly distributed at the top of third supporting rack (8) both sides and with motor machine
Tool connects, and the power drive mechanism (72) passes through underlying center linkage structure (71) and fine tuning correction system (73)
Electrical connection, also and indirect drive mechanism (74) mechanical connection, the indirect drive mechanism (74) are same by what is be disposed below
Step balanced structure (75) is matched with Weighting system (77).
2. a kind of Segmental assembling bridge-erecting machine for adapting to small curve radius bridge according to claim 1, it is characterised in that：Institute
The center linkage structure (71) stated is solid equipped with square fixed block (711), center column spinner (712), the first spring (713), spring
Fixed column (714), engaging column (715), the first traction rope (716), pushing block (717), trapezoidal pushing block (718), motion bar
(719)。
3. a kind of Segmental assembling bridge-erecting machine for adapting to small curve radius bridge according to claim 2, it is characterised in that：Institute
Diamond shape adjustable shelf of the motion bar (719) stated equipped with four compositions, above two motion bars (719) it is solid by engaging column (715)
It is scheduled on together, the motion bar (719) of side two is fixed on pushing block (717), and the middle of the diamond shape adjustable shelf is equipped with
Square fixed block (711), the square fixed block (711) rear and front end is by center column spinner (712) embedded in frame body (76)
Inner wall is equipped with the first spring (713), institute between the square fixed block (711) upper and lower ends and spring fixed column (714)
The spring fixed column (714) stated is fixedly installed togather with engaging column (715), the center column spinner (712) and engaging column
(715) it is fixed together between by the first traction rope (716).
4. a kind of Segmental assembling bridge-erecting machine for adapting to small curve radius bridge according to claim 1, it is characterised in that：Institute
The power drive mechanism (72) stated is equipped with motor output shaft (721), synchronous belt (722), belt pulley (723), the first belt
(724), the second belt pulley (725), fixed pulling rope (726), fixed seat (727), drive (728), the motor output shaft
(721) and positioned at it the belt pulley of the side of horizontal plane (723) is in together by synchronous belt (722) synchronized links, it is described
It belt pulley (723) and is disposed below the second belt pulley (725) and passes through the first belt (724) synchronized links, the belt pulley
(723) diameter is more than the second belt pulley (725) diameter, and second belt pulley (725) is with fixed pulling rope (726) around position
It is tied in drive (728) below and center column spinner (712), second belt pulley (725) passes through fixation
Seat (727) is vertically fixed on frame body (76) inner wall, the motor output shaft (721) positioned at the surface of frame body (76) and with position
It is connected in headstock (3) electromechanics.
5. a kind of Segmental assembling bridge-erecting machine for adapting to small curve radius bridge according to claim 1, it is characterised in that：Institute
State fine tuning correction system (73) equipped with contact block (731), L-type conducting rod (732), electric wire (733), first sensing block (734),
Output line (735), mitigates wheel (737), inverted T shaped hanger bar (738) at conduit (736), and the inverted T shaped hanger bar (738) is set
There are two and be evenly distributed on trapezoidal pushing block (718) both sides, the trapezoidal pushing block (718) and inverted T shaped hanger bar (738)
Fitting is slided in bottom surface, and the vertical end of the inverted T shaped hanger bar (738) is to be vertically welded in the inner wall of frame body (76), described
By electric welding, there are one have L-type conducting rod for inverted T shaped that side of hanger bar (738) horizontal ends far from trapezoidal pushing block (718)
(732), the L-type conducting rod (732) faces contact block (731) there are one the welding of trapezoidal pushing block (718) that side, described
Trapezoidal pushing block (718) on also electric welding is there are one contact block (731), the contact block (731) described in the two is positioned at same water
Plane, there are one the first sensing block (734), the described first biographies by electric wire (733) connection for the L-type conducting rod (732)
Sense block (734) sets there are two and piles mutually, and two first sensing blocks the distance between (734) are air gap, described in another
First sensing block (734) and on trapezoidal pushing block (718) contact block (731) electrical connection, described first sensing block
(734) lower section is set there are one conduit (736), and the conduit (736) other end is equipped with mitigation wheel (737), described
First sensing block (734) is used with headstock (3) afterwards with electric wire (733) through conduit (736) around mitigation wheel (737) couples electricity
Road is electrically connected.
6. a kind of Segmental assembling bridge-erecting machine for adapting to small curve radius bridge according to claim 1, it is characterised in that：Institute
The indirect drive mechanism (74) stated is equipped with axostylus axostyle (741), spur rack (742), idler wheel (743), slideway (744), sector gear
(745), it perforates (746), the axostylus axostyle (741) level is welded in that side frame body (76) far from center linkage structure (71)
Wall is provided with columned slideway (744) together with axostylus axostyle (741) with respect to frame body (76) inner wall, and the axostylus axostyle (741) is far from frame
The end of body (76) inner wall is equipped with sector gear (745), the sector gear (745) and the spur rack on the left of it
(742) it is meshed, there are two idler wheels back to that side lower horizontal installation of sector gear (745) for the spur rack (742)
(743), the idler wheel (743) is also located in slideway (744) and therewith using being slidably matched, the spur rack (742) pushes up
End is touched with inverted T shaped hanger bar (738) activity, and the spur rack (742) top lacks that side close to trapezoidal pushing block (718)
One vee.
7. a kind of Segmental assembling bridge-erecting machine for adapting to small curve radius bridge according to claim 1, it is characterised in that：Institute
The synchronous balance structure (75) stated is equipped with the first angular wheel (751), rotary shaft (752), third angular wheel (753), flat
Weighing apparatus bar (754), synchronous rope sheave (755), the both ends horizontal of the balancing pole (754) are welded on frame body (76) inner wall both sides, institute
The third angular wheel (753) stated is mounted on the middle of balancing pole (754), and the balancing pole (754) is positioned at Weighting system
(77) top, frame body (76) inner wall both sides between the balancing pole (754) and Weighting system (77) are installed with synchronous
Rope sheave (755), the synchronization rope sheave (755) set there are two and it is mutually symmetrical with, the third angular wheel (753) is equipped with
Two and Vertical Meshing, first angular wheel (751) set there are two and the two Vertical Meshing, described in one of them
Third angular wheel (753) and the first angular wheel (751) between be mechanically connected by rotary shaft (752), it is described flat
Weighing apparatus bar (754) and rotary shaft (752) are orthogonal, and the first angular wheel (751) and perforation (746) described in another pass through
Rope is fixed together.
8. a kind of Segmental assembling bridge-erecting machine for adapting to small curve radius bridge according to claim 1, it is characterised in that：Institute
The Weighting system (77) stated set a word hangers (771), screw rod (772), clump weight (773), wedge mouth (774), card hole (775),
Second spring (776), fixing piece (777), described word hangers (771) plane perpendicular is welded with a screw rod (772), described
There are one clump weight (773), the clump weight (773) and wedge mouth (774) phases for the other end vertical welding of volume screw rod (772)
Cooperation, the wedge mouth (774) is the bottom for being opened in frame body (76), and the two bottom sides face of the wedge mouth (774) is provided with
Card hole (775), the card hole (775) is interior to be set there are one fixing piece (777), and the fixing piece (777) is right-angled trapezium knot
There are one second spring (776), institutes for installation between frame body (76) that side for structure, the fixing piece (777) and card hole (775)
For the fixing piece (777) stated with card hole (775) by the way of being slidably matched, the both ends of a word hangers (771) are provided with one
A opening rope bypasses the synchronization rope sheave (755) for being positioned above both sides and third angular wheel (753) is sequentially connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439933.0A CN108149588B (en) | 2017-12-27 | 2017-12-27 | A kind of Segmental assembling bridge-erecting machine adapting to small curve radius bridge |
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|---|---|---|---|
| CN201711439933.0A CN108149588B (en) | 2017-12-27 | 2017-12-27 | A kind of Segmental assembling bridge-erecting machine adapting to small curve radius bridge |
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| CN108149588B CN108149588B (en) | 2019-10-25 |
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Cited By (6)
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| CN108943875A (en) * | 2018-07-03 | 2018-12-07 | 天津九耀科技有限公司 | A kind of filling device for foaming agent filling baggy fabric |
| CN110468733A (en) * | 2019-09-20 | 2019-11-19 | 重庆工业职业技术学院 | A kind of bridge assembly fixture sets constructing device |
| CN110593120A (en) * | 2019-09-30 | 2019-12-20 | 中国十七冶集团有限公司 | Movable counterweight device for bridge closure and use method |
| CN111472274A (en) * | 2020-03-18 | 2020-07-31 | 王文洋 | Device for adjusting folding line shape of segmental prefabricated assembled bridge |
| CN111664832A (en) * | 2020-06-22 | 2020-09-15 | 中铁二院工程集团有限责任公司 | Method for establishing independent elevation system for bridge construction in area with abnormal and significant gravity |
| CN116164881A (en) * | 2022-12-17 | 2023-05-26 | 廊坊西波尔钻石技术有限公司 | Calibration system and calibration method of barometric instrument |
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| CN108149588B (en) | 2019-10-25 |
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Application publication date: 20180612 Assignee: QUANZHOU TAIWANESE INVESTMENT ZONE HUALIN DESIGN Co.,Ltd. Assignor: Quanzhou Biaoyu Machinery Technology Co., Ltd. Contract record no.: X2020350000018 Denomination of invention: Section assembly bridge girder erection machine suitable for bridge with small curve radius Granted publication date: 20191025 License type: Common License Record date: 20200316 |
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Effective date of registration: 20201019 Address after: 056000 Jingliu road Dongwei jiulu south, Shangcheng Industrial Zone, Chengan County, Handan City, Hebei Province Patentee after: HANDAN BEIHENG ENGINEERING MACHINE Co.,Ltd. Address before: 362000 2nd floor 204, Shangxue 78, Huangling Village, Zhangbanzhen, Quanzhou City, Fujian Province Patentee before: Quanzhou Biaoyu Machinery Technology Co.,Ltd. |
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