CN116815649A - Steel box girder pushing machine for small curve radius and using method - Google Patents
Steel box girder pushing machine for small curve radius and using method Download PDFInfo
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- CN116815649A CN116815649A CN202310601545.7A CN202310601545A CN116815649A CN 116815649 A CN116815649 A CN 116815649A CN 202310601545 A CN202310601545 A CN 202310601545A CN 116815649 A CN116815649 A CN 116815649A
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- box girder
- steel box
- pushing machine
- plate
- output shaft
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 102
- 239000010959 steel Substances 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 60
- 230000008569 process Effects 0.000 claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000003672 processing method Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 244000309464 bull Species 0.000 description 9
- 238000010276 construction Methods 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a steel box girder pushing machine for small curve radius and a use method thereof, comprising a supporting plate, a hydraulic push rod, a connecting block and a transverse plate, wherein the hydraulic push rod is fixedly arranged at the upper end of the supporting plate, the connecting block is rotatably arranged at the upper end of the hydraulic push rod, a walking jack is fixedly arranged at the upper end of the transverse plate, a mounting piece is sleeved at the outer side of the upper end of the walking jack, a rotating rod is rotatably arranged in the fixing plate, and chain wheels are sleeved at the outer sides of the rotating rod and an output shaft. According to the steel box girder pushing machine with the small curve radius and the application method, the clamping plates can move in the sliding grooves and move towards the limiting parts in the rotating process of the rotating rods and the output shafts, the steel box girder main body can be limited at the lower end of the bridge at the moment, the supporting directions of the steel box girder main body are changed, the supporting structures on the left side and the right side of the transverse plate can be enabled to be the same in abrasion condition, and therefore the service life of the steel box girder pushing machine is prolonged.
Description
Technical Field
The invention relates to the technical field of steel box girder thrusters, in particular to a steel box girder thrustor with a small curve radius and a use method thereof.
Background
In the process of building the bridge, the lower end of the bridge needs to be supported through a supporting framework, in the process, the steel box girder needs to be pushed to support the curve position of the lower end of the bridge through the pushing machine, in the supporting process, the supporting device needs to be stopped to support the pushing machine to a required position, then the steel box girder supports the curve position of the bridge through the adjustment of the pushing machine, but certain using defects exist in the using process of the existing steel box girder pushing machine, such as:
the invention discloses a large-superhigh small-radius circular curve steel box girder pushing construction method, which has the advantages that the aim of overcoming the forward bending moment and torque action of a box girder end cantilever state in a small-radius steel box girder pushing state and ensuring the pressure difference of inner and outer pushing equipment to be in a certain range is fulfilled;
in the above-mentioned document, need the steel case roof beam be in the inclined state in the in-process of carrying out the construction, and need pull the steel strand wires through the stretch-draw jack in the state of steel case roof beam slope, rethread steel strand wires pulling steel case roof beam lower extreme limit structure, thereby guarantee the stability that the steel case roof beam is in the inclined state, this steel strand wires and stretch-draw jack are located limit structure's one side, lead to this steel case roof beam to only keep an angle to support the bridge, and in long-time use, the bearing structure that leads to this steel case roof beam lower extreme easily controls the degree of wear different, lead to the lower extreme wearing and tearing of steel case roof beam slope heavier easily, influence the life of this steel case roof beam.
Aiming at the problems, innovative design is urgently needed on the basis of the original pushing machine structure.
Disclosure of Invention
The invention aims to provide a steel box girder pushing machine with a small curve radius and a using method thereof, which are used for solving the problems that the steel box girder provided in the background art can only maintain one angle to support a bridge, and in the long-time use process, the left and right abrasion degrees of a support structure at the lower end of the steel box girder are easy to be different, the inclined lower end of the steel box girder is easy to be abraded more, and the service life of the steel box girder is influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a steel case roof beam pushing machine and application method for small curve radius, includes backup pad, hydraulic push rod, connecting block and diaphragm, the upper end fixed mounting of backup pad has hydraulic push rod, and hydraulic push rod's upper end rotation installs the connecting block to the upper end fixed mounting of connecting block has the diaphragm, the upper end fixed mounting of diaphragm has walking jack, and the upper end outside cover of walking jack is equipped with the installed part, and the upper end fixed mounting of installed part has the steel case roof beam main part, and the lower extreme fixed mounting of steel case roof beam main part has the locating part simultaneously, the upper end fixed mounting of diaphragm has the fixed plate, and the inside of fixed plate and diaphragm has seted up the spout, the upper end fixed mounting of diaphragm has driving motor, and driving motor's output end fixed mounting has the output shaft, and the output shaft runs through the splint, and the inside that is located the spout simultaneously, the inside rotation of fixed plate installs the bull stick, and the outside of bull stick and output shaft all overlap and are equipped with the sprocket to the outside cover is equipped with the chain, the lower extreme internally nested ball.
Preferably, the inside of fixed plate has seted up the motion groove, and the inside fixed mounting in motion groove has a supporting spring, and the one end fixed mounting that the motion groove was kept away from to supporting spring has the stopper, the lower extreme fixed mounting of diaphragm has electric putter, and electric putter's lower extreme fixed mounting has the traction block to traction block's lower extreme fixed mounting has the haulage rope, through being provided with the traction block of being connected with the haulage rope at electric putter's lower extreme, can drive the motion that the traction block makes the stopper slide in the inside of spacing groove through electric putter.
Preferably, the backup pad, diaphragm and steel case roof beam main part are to setting up in vertical direction, and the size of backup pad is greater than the size of diaphragm, backup pad, diaphragm and steel case roof beam main part are to setting up the center that is convenient for make this structure on same vertical line in vertical direction, can guarantee this structural support's stability.
Preferably, the walking jack and the steel box girder body form a clamping structure through the mounting piece, the walking jack and the mounting piece are symmetrically arranged on the left and right sides of the vertical central axis of the steel box girder body, the limiting piece at the lower end of the steel box girder body is positioned at the middle position of the steel box girder body, and the walking jack and the mounting piece are symmetrically arranged on the left and right sides of the vertical central axis of the steel box girder body, so that the stability of the walking jack and the mounting piece on the support of the steel box girder body can be effectively guaranteed.
Preferably, the output shaft and the rotating rod are both rotationally connected with the fixed plate, the threads on the outer sides of the output shaft and the rotating rod are identical in rotation direction, the threads on the left and right ends of the outer sides of the output shaft and the rotating rod are opposite in rotation direction, and the threads on the outer sides of the output shaft and the rotating rod are identical in rotation direction, so that the two groups of clamping plates are driven to move close to each other in the rotation process of the output shaft and the rotating rod.
Preferably, the splint respectively with output shaft and bull stick threaded connection, and splint are provided with two sets of with the bilateral symmetry about the vertical axis of fixed plate to splint pass through spout and ball and diaphragm constitution sliding structure, splint and diaphragm closely laminate simultaneously, splint respectively with output shaft and bull stick threaded connection can make splint carry out synchronous motion in the outside of output shaft and bull stick.
Preferably, the sprocket respectively with output shaft and bull stick fixed connection, and two sets of sprockets all are connected with the chain meshing, the sprocket respectively with output shaft and bull stick fixed connection can make the output shaft carry out pivoted in-process through sprocket and chain drive bull stick and rotate.
Preferably, the stopper passes through the motion groove and constitutes sliding structure with the fixed plate, and the stopper passes through haulage rope and pulls the piece and constitutes traction structure to stopper and motion groove are provided with four groups in the inside of fixed plate, and the one end that support spring was kept away from to the stopper is overlooked simultaneously and is the slope form setting, can make the stopper slide in the inside of fixed plate through the spacing groove, and pulls the piece and move the in-process that the piece moved and can drive the stopper through the haulage rope and move.
Preferably, the limiting block forms an elastic structure with the fixed plate through the supporting spring, and is connected with the clamping plate in a clamping mode, and the limiting block forms an elastic structure with the fixed plate through the supporting spring so that the supporting spring pushes the limiting block to slide in the fixed plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the steel box girder pushing machine with the small curve radius and the application method, the driving motor is enabled to work after the steel box girder pushing machine is placed at a required position, at the moment, the output shaft rotates and drives the rotating rod to rotate through the chain wheel and the chain, the clamping plate moves in the sliding groove and moves towards the limiting piece in the rotating process of the rotating rod and the output shaft, the driving motor can be enabled to stop moving after the clamping plate contacts with the limiting piece, at the moment, the steel box girder main body can be limited at the lower end of a bridge, the supporting structure at the left side and the right side of the transverse plate can be enabled to be the same in abrasion condition by changing the supporting direction of the steel box girder main body, and therefore the service life of the steel box girder pushing machine is prolonged;
2. according to the steel box girder pushing machine with the small curve radius and the application method, in the process of moving the clamping plates, the clamping plates can squeeze the limiting blocks and enable the limiting blocks to move towards the inside of the moving groove, in the process, the limiting blocks can squeeze the supporting springs and enable the supporting springs to shrink, in the process of contacting the clamping plates with the limiting pieces, the supporting springs can expand and push the limiting blocks to move, at the moment, the limiting blocks can contact one sides, away from each other, of the clamping plates and limit the clamping plates at the positions, so that the steel box girder main body can be limited at the positions, and the stability of clamping of the limiting pieces by the clamping plates is effectively improved through movement of the limiting blocks, so that the stability of the steel box girder main body on bridge support is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention in a front cross-section;
FIG. 2 is a schematic elevational view of the present invention;
FIG. 3 is a schematic view of a front cross-sectional structure of a fixing plate according to the present invention;
FIG. 4 is a schematic view of the left-hand structure of the clamping plate of the present invention;
FIG. 5 is a schematic view of a fixing plate of the present invention in a cross-sectional view;
FIG. 6 is a schematic top view of a mounting plate according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 1 according to the present invention;
fig. 8 is a schematic perspective view of a splint according to the present invention.
In the figure: 1. a support plate; 2. a hydraulic push rod; 3. a connecting block; 4. a cross plate; 5. walking jack; 6. a mounting member; 7. a steel box girder main body; 8. a limiting piece; 9. a fixing plate; 10. a driving motor; 11. an output shaft; 12. a clamping plate; 13. a sprocket; 14. a chain; 15. a rotating rod; 16. a chute; 17. a movement groove; 18. a support spring; 19. a limiting block; 20. an electric push rod; 21. a traction block; 22. a traction rope; 23. and (3) rolling balls.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: a steel box girder pushing machine for small curve radius and a using method thereof comprise a supporting plate 1, a hydraulic push rod 2, a connecting block 3, a cross plate 4, a walking jack 5, a mounting piece 6, a steel box girder main body 7, a limiting piece 8, a fixed plate 9, a driving motor 10, an output shaft 11, a clamping plate 12, a chain wheel 13, a chain 14, a rotating rod 15, a sliding groove 16, a moving groove 17, a supporting spring 18, a limiting block 19, an electric push rod 20, a traction block 21, a traction rope 22 and a ball 23.
The upper end of the supporting plate 1 is fixedly provided with a hydraulic push rod 2, the upper end of the hydraulic push rod 2 is rotatably provided with a connecting block 3, the upper end of the connecting block 3 is fixedly provided with a transverse plate 4, the upper end of the transverse plate 4 is fixedly provided with a walking jack 5, the outer side of the upper end of the walking jack 5 is sleeved with a mounting piece 6, the upper end of the mounting piece 6 is fixedly provided with a steel box girder main body 7, the lower end of the steel box girder main body 7 is fixedly provided with a limiting piece 8, the upper end of the transverse plate 4 is fixedly provided with a fixed plate 9, a sliding groove 16 is formed in the fixed plate 9 and the transverse plate 4, the upper end of the transverse plate 4 is fixedly provided with a driving motor 10, the output end of the driving motor 10 is fixedly provided with an output shaft 11, the output shaft 11 penetrates through a clamping plate 12, the clamping plate 12 is positioned in the sliding groove 16, the inner part of the fixed plate 9 is rotatably provided with a rotating rod 15, the outside of the rotating rod 15 and the output shaft 11 are sleeved with a chain wheel 13, the outside of the chain wheel 13 is sleeved with a chain 14, the lower end of the clamping plate 12 is internally nested with a ball 23, the supporting plate 1, the transverse plate 4 and the steel box girder main body 7 are arranged in a vertical direction, the size of the supporting plate 1 is larger than that of the transverse plate 4, the walking jack 5 and the steel box girder main body 7 form a clamping structure through the mounting piece 6, the walking jack 5 and the mounting piece 6 are symmetrically arranged left and right relative to the vertical central axis of the steel box girder main body 7, the limiting piece 8 at the lower end of the steel box girder main body 7 is positioned in the middle of the steel box girder main body 7, the output shaft 11 and the rotating rod 15 are rotationally connected with the fixed plate 9, the outer side threads of the output shaft 11 and the rotating rod 15 are the same, the threads of the outer side of the output shaft 11 and the outer side of the rotating rod 15 are opposite, the clamping plate 12 is respectively in threaded connection with the output shaft 11 and the rotating rod 15, and splint 12 is provided with two sets of bilateral symmetry about the vertical axis of fixed plate 9 to splint 12 passes through spout 16 and ball 23 and constitutes sliding structure with diaphragm 4, and splint 12 closely laminates with diaphragm 4 simultaneously, sprocket 13 respectively with output shaft 11 and bull stick 15 fixed connection, and two sets of sprocket 13 all mesh connection with chain 14.
According to 1-8, when the steel box girder pushing machine with small curve radius and the using method are used, firstly, the steel box girder pushing machine is placed at a position needing to work, before the steel box girder pushing machine is used, the steel box girder pushing machine needs to be supported to the needed position through a supporting device, after the steel box girder pushing machine is limited at the needed position, the lower end of a bridge can be supported through a steel box girder main body 7, in the process, two groups of hydraulic push rods 2 are firstly made to work and drive a transverse plate 4 to move upwards, in the process of upward movement of the transverse plate 4, the steel box girder main body 7 is driven by a walking jack 5 and a mounting piece 6 to move and closely attach to a bridge, when the steel box girder main body 7 moves to the position closely attaching to the lower end of the bridge, at the moment, the walking jack 5 works and continuously drives the steel box girder main body 7 to move through a mounting piece 6, in the process of moving the steel box girder main body 7 can be closely attached to the lower end of the bridge, in the process of moving the bridge main body 7, in the process of the bridge can be made to move through a chain wheel 7, in the process of driving a sprocket wheel 7, in the position of the supporting piece 10 is made to move, in the two groups of hydraulic push rods are made to move through a chain wheel 11, in the process of the driving sprocket 11 is made to move, in the process of 13, in the process of driving the chain 11 is made to move through a chain 11, in the process of 13, and the output shaft is made to move synchronously, in the process of rotating 13 is made to move through the output shaft 11 is made to move through the driving the chain 13, and in the motion, and 13 is made to move through the output shaft through the driving 13, and in the motion 13 is made to move through the driving 13, the balls 23 slide in the sliding grooves 16 in the moving process of the clamping plates 12, so that the friction force born by the clamping plates 12 in the moving process is reduced, the smoothness of the clamping plates 12 in the moving process is improved, the two groups of clamping plates 12 are close to each other and are in contact with the limiting pieces 8 in the moving process of the two groups of clamping plates 12, the driving motor 10 stops working and stops rotating the output shaft 11 after the clamping plates 12 are in contact with the limiting pieces 8, the limiting pieces 8 are limited by the two groups of clamping plates 12 at the moment, the limiting pieces 8 are limited by the clamping plates 12, the sliding trend of the steel box girder main body 7 to the side is effectively reduced, the abrasion condition of the two groups of walking jacks 5 is different after the limiting of the steel box girder main body 7 is finished, the supporting directions of the steel box girder main body 7 are changed, the supporting structures on the left side and the right side of the transverse plate 4 are the same, and the service life of the steel box girder pushing machine is prolonged.
The inside of fixed plate 9 has seted up movement groove 17, and the inside fixed mounting in movement groove 17 has supporting spring 18, and the one end fixed mounting that supporting spring 18 kept away from movement groove 17 has stopper 19, the lower extreme fixed mounting of diaphragm 4 has electric putter 20, and electric putter 20's lower extreme fixed mounting has traction block 21, and traction block 21's lower extreme fixed mounting has haulage rope 22, stopper 19 constitutes sliding construction with fixed plate 9 through movement groove 17, and stopper 19 constitutes traction structure through haulage rope 22 and traction block 21, and stopper 19 and movement groove 17 are provided with four groups in the inside of fixed plate 9, the one end that supporting spring 18 was kept away from to stopper 19 is overlooked simultaneously and is the slope form setting, stopper 19 passes through supporting spring 18 and fixed plate 9 and constitutes elastic construction, and stopper 19 and splint 12 block connection.
According to fig. 1-5, in the process of moving the clamping plate 12, the clamping plate 12 contacts with the limiting block 19 and extrudes the limiting block 19, the limiting block 19 moves towards the inside of the movement groove 17 after being extruded, the supporting spring 18 is extruded and contracted in the process of moving the limiting block 19, the compressed supporting spring 18 expands and pushes the limiting block 19 to move after the clamping plate 12 contacts with the limiting piece 8, at the moment, the limiting block 19 moves and contacts with the sides of the two groups of clamping plates 12 far away from each other, so that the clamping plate 12 is limited at the position, the limiting stability of the limiting piece 8 by the clamping plate 12 is effectively improved, and after the steel box girder pushing machine is used, the steel box girder main body 7 needs to be taken down from the upper end of the transverse plate 4, in the process, the electric push rod 20 is required to perform expanding movement and drive the traction block 21 to move, the traction block 21 drives the limiting block 19 to move through the traction rope 21 in the process of moving, the supporting spring 18 is extruded again and moves towards the inside of the movement groove 17 in the process of moving the limiting block 19, the electric push rod 20 stops moving after the limiting block 19 completely enters the inside of the movement groove 17, the driving motor 20 works and drives the output shaft 11 to reversely rotate, the rotating rod 15 is driven to synchronously reversely rotate through the chain wheel 13 and the chain 14 in the process of reversely rotating the output shaft 11, the two groups of clamping plates 12 are mutually separated from each other and separated from the limiting piece 8 in the process, the steel box girder main body 7 can be taken down from the upper end of the transverse plate 4, the stability of clamping the limiting piece 8 by the clamping plates 12 is effectively improved through the movement of the limiting block 19, thereby improving the stability of the steel box girder main body 7 to the bridge support and increasing the overall practicability.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The steel box girder pushing machine comprises a supporting plate (1), a hydraulic push rod (2), a connecting block (3) and a transverse plate (4), wherein the hydraulic push rod (2) is fixedly arranged at the upper end of the supporting plate (1), the connecting block (3) is rotatably arranged at the upper end of the hydraulic push rod (2), and the transverse plate (4) is fixedly arranged at the upper end of the connecting block (3);
the method is characterized in that: the utility model discloses a motor-driven bicycle is characterized in that a walking jack (5) is fixedly arranged at the upper end of a diaphragm (4), a mounting piece (6) is sleeved outside the upper end of the walking jack (5), a steel box girder main body (7) is fixedly arranged at the upper end of the mounting piece (6), a limiting piece (8) is fixedly arranged at the lower end of the steel box girder main body (7) at the same time, a fixed plate (9) is fixedly arranged at the upper end of the diaphragm (4), a sliding groove (16) is formed in the inner part of the fixed plate (9) and the diaphragm (4), a driving motor (10) is fixedly arranged at the upper end of the diaphragm (4), an output shaft (11) is fixedly arranged at the output end of the driving motor (10), an output shaft (11) penetrates through a clamping plate (12), meanwhile, the clamping plate (12) is located in the sliding groove (16), a rotating rod (15) is arranged in the inner part of the fixed plate (9), a chain wheel (13) is sleeved outside the rotating rod (15) and the outer side of the output shaft (11), a chain (13) is sleeved with a chain (14), and the lower end of the clamping plate (12) is internally provided with a ball (23).
2. The steel box girder pushing machine for small curve radius and the use method thereof according to claim 1, wherein the steel box girder pushing machine is characterized in that: the inside of fixed plate (9) has seted up movement groove (17), and the inside fixed mounting in movement groove (17) has supporting spring (18), and the one end fixed mounting that keeps away from movement groove (17) of supporting spring (18) has stopper (19), the lower extreme fixed mounting of diaphragm (4) has electric putter (20), and the lower extreme fixed mounting of electric putter (20) has traction block (21) to the lower extreme fixed mounting of traction block (21) has haulage rope (22).
3. The steel box girder pushing machine for small curve radius and the use method thereof according to claim 1, wherein the steel box girder pushing machine is characterized in that: the supporting plate (1), the transverse plate (4) and the steel box girder main body (7) are arranged in the vertical direction, and the size of the supporting plate (1) is larger than that of the transverse plate (4).
4. The steel box girder pushing machine for small curve radius and the use method thereof according to claim 1, wherein the steel box girder pushing machine is characterized in that: the walking jack (5) and the steel box girder main body (7) form a clamping structure through the mounting piece (6), the walking jack (5) and the mounting piece (6) are symmetrically arranged on the vertical central axis of the steel box girder main body (7) left and right, and the limiting piece (8) at the lower end of the steel box girder main body (7) is positioned in the middle of the steel box girder main body (7).
5. The steel box girder pushing machine for small curve radius and the use method thereof according to claim 1, wherein the steel box girder pushing machine is characterized in that: the output shaft (11) and the rotating rod (15) are both rotationally connected with the fixed plate (9), the outer side threads of the output shaft (11) and the rotating rod (15) are the same in rotation direction, and the threads at the left end and the right end of the outer sides of the output shaft (11) and the rotating rod (15) are opposite in rotation direction.
6. The steel box girder pushing machine for small curve radius and the use method thereof according to claim 1, wherein the steel box girder pushing machine is characterized in that: the clamping plates (12) are respectively in threaded connection with the output shaft (11) and the rotating rod (15), two groups of clamping plates (12) are symmetrically arranged on the left and right sides of the vertical central axis of the fixed plate (9), the clamping plates (12) and the transverse plate (4) form a sliding structure through the sliding grooves (16) and the balls (23), and meanwhile the clamping plates (12) are tightly attached to the transverse plate (4).
7. The steel box girder pushing machine for small curve radius and the use method thereof according to claim 1, wherein the steel box girder pushing machine is characterized in that: the chain wheels (13) are fixedly connected with the output shaft (11) and the rotating rod (15) respectively, and the two groups of chain wheels (13) are meshed with the chain (14).
8. The steel box girder pushing machine for small curve radius and the use method thereof according to claim 2, wherein the steel box girder pushing machine is characterized in that: the limiting block (19) and the fixed plate (9) form a sliding structure through the moving groove (17), the limiting block (19) and the traction block (21) form a traction structure through the traction rope (22), four groups of limiting blocks (19) and the moving groove (17) are arranged in the fixed plate (9), and meanwhile one end, far away from the supporting spring (18), of the limiting block (19) is obliquely arranged in a overlooking mode.
9. The steel box girder pushing machine for small curve radius and the use method thereof according to claim 2, wherein the steel box girder pushing machine is characterized in that: the limiting block (19) and the fixed plate (9) form an elastic structure through the supporting spring (18), and the limiting block (19) is connected with the clamping plate (12) in a clamping mode.
10. The raw material stirring device for film production and its processing method according to claim 3, wherein: the method comprises the following steps:
s1: in the process of working of the driving motor (10), the output shaft (11) can rotate, so that the rotating rod (15) is driven to rotate through the chain wheel (13) and the chain (14), and at the moment, the two groups of clamping plates (12) are close to each other and clamp the limiting piece (8), so that the steel box girder main body (7) is limited at the position:
s2: the limiting block (19) is extruded in the moving process of the clamping plate (12) and the limiting block (19) moves into the moving groove (17), the supporting spring (18) is extruded by the limiting block (19) and contracts in the moving process, and the supporting spring (18) pushes the limiting block (19) to move when the limiting piece (8) is in contact with the clamping plate (12), so that the clamping plate (12) is limited at the position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310601545.7A CN116815649A (en) | 2023-05-26 | 2023-05-26 | Steel box girder pushing machine for small curve radius and using method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310601545.7A CN116815649A (en) | 2023-05-26 | 2023-05-26 | Steel box girder pushing machine for small curve radius and using method |
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| CN116815649A true CN116815649A (en) | 2023-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344655A (en) * | 2023-11-16 | 2024-01-05 | 中铁二十一局集团有限公司 | Pushing method for variable curvature curve bridge |
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2023
- 2023-05-26 CN CN202310601545.7A patent/CN116815649A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117344655A (en) * | 2023-11-16 | 2024-01-05 | 中铁二十一局集团有限公司 | Pushing method for variable curvature curve bridge |
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