CN114319119A - Construction process of main bridge of bridge - Google Patents
Construction process of main bridge of bridge Download PDFInfo
- Publication number
- CN114319119A CN114319119A CN202111628598.5A CN202111628598A CN114319119A CN 114319119 A CN114319119 A CN 114319119A CN 202111628598 A CN202111628598 A CN 202111628598A CN 114319119 A CN114319119 A CN 114319119A
- Authority
- CN
- China
- Prior art keywords
- block
- gear
- sling
- bridge
- adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 68
- 239000000463 material Substances 0.000 claims description 31
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The application relates to the technical field of bridge construction, in particular to a construction process of a main bridge of a bridge, which comprises the following steps: s1: firstly, manufacturing a pier stud; s2: erecting a steel box girder assembling platform; s3: assembling the steel box girder on the assembling platform to form a main bridge girder; s4: installing arch ribs on the main bridge; s5: slings connected with the arch ribs are installed on the main bridge; s6: and transferring the main bridge with the sling to the pier stud. The application has the effect of reducing potential safety hazards.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a construction process of a main bridge of a bridge.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through.
A construction process of a main bridge of a yellow river bridge comprises the following steps of S1: firstly, manufacturing a pier stud; s2: pouring a tower body on the pier stud; s3: the main bridge is formed by pouring on the tower body, the stay cables which are cut in advance are directly poured on the main bridge when the main bridge is poured, and one end, far away from the main bridge, of each stay cable is connected with the tower body.
In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: when the installation cable, operating personnel will climb to the tower body on, and the tower body is located the pier stud of yellow river, therefore operating personnel is climbing the tower body, has the danger of yellow river that drops, and the meeting that the rivers of yellow river generally flowed is very fast, and operating personnel drops the yellow river and can have very big potential safety hazard.
Disclosure of Invention
In order to reduce potential safety hazards, the application provides a construction process of a main bridge of a bridge.
The construction process of the bridge main bridge provided by the application adopts the following technical scheme:
a construction process of a main bridge of a bridge comprises the following steps: s1: firstly, manufacturing a pier stud; s2: erecting a steel box girder assembling platform; s3: assembling the steel box girder on the assembling platform to form a main bridge girder; s4: installing arch ribs on the main bridge; s5: slings connected with the arch ribs are installed on the main bridge; s6: and transferring the main bridge with the sling to the pier stud.
By adopting the technical scheme, the pier stud is firstly manufactured in the yellow river; then erecting a steel box girder assembly platform on the shore, and then assembling the steel box girder on the assembly platform to form a main bridge girder; then installing arch ribs on the main bridge, and then installing slings for connecting the arch ribs and the main bridge; finally, transferring the main bridge with the sling to a pier column, thereby completing the installation of the main bridge of the bridge; the application of the construction process can reduce the potential safety hazard that an operator drops in a yellow river when the sling is installed.
Optionally, in step S5, the rotating frame with the sling is transferred to the main bridge through a crane; and then, pulling out the sling wound on the rotating frame by using sling pulling equipment, then cutting off the pulled sling, and finally connecting the cut sling with the main bridge and the arch rib.
By adopting the technical scheme, when the sling is installed, the rotating frame with the sling is firstly transferred to the main bridge through the crane, then the sling with a proper length is pulled out by the sling pulling equipment, then the sling is cut off, and finally the cut sling is connected with the main bridge and the arch rib.
Optionally, the sling pulling device comprises a moving vehicle, a positioning block and a fixing mechanism, wherein the positioning block is arranged on the moving vehicle, and the fixing mechanism is arranged on the moving vehicle and fixes the sling.
By adopting the technical scheme, the sling firstly props against the positioning block, and then the fixing mechanism fixes the sling positioned on the moving vehicle; finally, the moving vehicle moves, and the moving vehicle can pull the sling to wind the sling out of the transfer frame; the locating piece that sets up can realize realizing the location on the transfer car to the hoist cable that makes the pull-out is better accurate.
Optionally, the fixing mechanism includes a first fixing block, a second fixing block, a rotating shaft and a rotating assembly, and the first fixing block is arranged on the moving vehicle; the rotating shaft is arranged on the first fixed block, and the second fixed block is arranged on the rotating shaft; the first fixing block and the second fixing block clamp the sling together; the rotating assembly comprises a first gear, a second gear and a first motor, the first motor is arranged on the first fixed block, and the first gear is arranged on the first motor; the second gear is arranged on the rotating shaft and meshed with the first gear.
By adopting the technical scheme, the sling is placed on the first fixed block, then the first motor is started, the output shaft of the first motor drives the first gear to rotate, the second gear meshed with the first gear drives the rotating shaft to rotate, and the rotating shaft drives the second fixed block to rotate, so that the second fixed block is abutted against the sling on the first fixed block, and the sling is fixed; the arranged fixing mechanism is simple and convenient to operate.
Optionally, a placing groove is formed in the positioning block, and a communicating hole communicated with the placing groove is formed in the positioning block; be provided with display mechanism on the locating piece, display mechanism includes display pole and spring, the display pole slides and sets up in the intercommunicating pore, the spring housing is established on the display pole, the one end of spring is connected on the display pole and other one end is connected on the intercommunicating pore lateral wall.
By adopting the technical scheme, the sling firstly extends into the placing groove of the positioning block, and the sling abuts against the display rod; when the sling abuts against the bottom wall of the placing groove, one end of the display rod extends out of the positioning block, and the spring is compressed; therefore, the display mechanism can display whether the sling abuts against the bottom wall of the placing groove.
Optionally, a reinforcing mechanism is arranged on the positioning block, the reinforcing mechanism comprises a reinforcing rod, a reinforcing block, a reinforcing bolt and an adjusting assembly, the reinforcing rod is arranged on the positioning block in a sliding manner, and a reinforcing groove clamped with the reinforcing rod is formed in the display rod; the reinforcing bolt penetrates through the reinforcing rod and is in threaded connection with the positioning block; the positioning block is provided with an adjusting cavity communicated with the placing groove, and the reinforcing block is arranged in the adjusting cavity in a sliding manner and abutted against a sling positioned in the placing groove; the adjusting assembly comprises a first rack, a second rack, a third gear, a fourth gear, a fifth gear and a sixth gear, and the first rack is arranged on the reinforcing rod; the third gear is arranged in the positioning block and meshed with the first rack, the fourth gear is arranged in the positioning block and meshed with the third gear, the fifth gear is arranged in the positioning block and meshed with the fourth gear, and the sixth gear is arranged in the positioning block and meshed with the fifth gear; the second rack is disposed on the reinforcing block and engaged with the sixth gear.
By adopting the technical scheme, when one end of the display rod extends out of the positioning block, the reinforcing rod is moved towards one end close to the display rod, so that the reinforcing rod is clamped with the reinforcing groove on the display rod; when the reinforcing rod moves, the first rack on the reinforcing rod drives the third gear to rotate, the fourth gear meshed with the third gear drives the fifth gear to rotate, the sixth gear meshed with the fifth gear drives the second rack to move, and the second rack drives the reinforcing block to move so that the reinforcing block abuts against the sling in the placing groove; finally, the reinforcing bolt penetrates through the reinforcing rod and is in threaded connection with the positioning block; the reinforcing mechanism can reinforce the steel cable again, and the sling can be fixed on the mobile vehicle even if the fixing mechanism is damaged.
Optionally, the device further comprises a limiting mechanism, wherein the limiting mechanism comprises a limiting block and a guiding block, and a limiting hole is formed in the limiting block; the guide block is disposed on the limiting block.
By adopting the technical scheme, the sling pulled out of the transfer rack firstly passes through the guide block and then passes through the limiting hole on the limiting block; the distance between the limiting mechanism and the moving vehicle is the length of the required steel cable; the limiting mechanism thus provided facilitates the measurement of the length of the sling.
Optionally, a first sliding groove is formed in the limiting block, two clamping rods are slidably arranged in the first sliding groove, and clamping blocks are arranged on the two clamping rods; the limiting block is provided with a moving assembly, the moving assembly comprises a two-way screw and a second motor, the two-way screw penetrates through two clamping rods, and the two clamping rods are respectively in threaded connection with two ends of the two-way screw; the second motor is arranged on the limiting block and connected with the bidirectional screw.
By adopting the technical scheme, when the sling needs to be cut off, the second motor is started firstly, the output shaft of the second motor drives the two-way screw to rotate, the two-way screw drives the two clamping rods to move in opposite directions, and the clamping blocks on the two clamping rods can clamp the sling.
Optionally, an adjusting mechanism is arranged on the clamping rod, the adjusting mechanism includes an adjusting block, an adjusting screw rod and a third motor, the adjusting block is slidably arranged on the clamping rod, and the clamping block is arranged on the adjusting block; the adjusting screw rod penetrates through the adjusting block and is in threaded connection with the adjusting block; the third motor is arranged on the clamping rod and connected with the adjusting screw rod.
By adopting the technical scheme, when the sling is cut off, the third motor is started, the output shaft of the third motor drives the adjusting screw to rotate, the adjusting screw drives the adjusting block to move, and the adjusting block drives the clamping block to move; the two clamping blocks can drive the sling to move, so that the sling extends out of the limiting block and is better connected to the moving vehicle by an operator.
Optionally, a pushing mechanism is arranged on the trolley and comprises a pushing block, a rotating shaft, a material stirring block and a driving assembly, the pushing block is arranged on the trolley, and an adjusting hole is formed in the pushing block; the rotating shaft is arranged on the material pushing block, the material pulling block is arranged on the rotating shaft and can seal the adjusting hole, and one end, far away from the rotating shaft, of the material pulling block is in an arc shape; the driving assembly comprises a fourth motor, a seventh gear and an eighth gear, the fourth motor is arranged on the material pushing block, and the seventh gear is arranged on the fourth motor; the eighth gear is provided on the rotating shaft and is meshed with the seventh gear.
By adopting the technical scheme, when the movable vehicle moves, the material pushing block on the movable vehicle can pull away small stones or impurities on the moving route of the movable vehicle, so that the movable vehicle can better perform linear motion; when some impurities collide with the material pushing block, the fourth motor is started, an output shaft of the fourth motor drives the seventh gear to rotate, the eighth gear meshed with the seventh gear drives the rotating shaft to rotate, and the material pushing block on the rotating shaft pushes away the impurities colliding with the material pushing block; the end of the stirring block far away from the rotating shaft is arc-shaped, so that the stirring block can keep a state of sealing the adjusting hole, and the phenomenon that impurities enter the adjusting hole is reduced.
In summary, the present application includes the following beneficial technical effects:
1. the construction process can reduce the potential safety hazard that an operator falls into a yellow river when installing the sling;
2. the reinforcing mechanism can reinforce the steel cable again, and the sling can be fixed on the mobile vehicle even if the fixing mechanism is damaged.
Drawings
FIG. 1 is a schematic view of the construction of a sling pulling apparatus according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a limiting mechanism in an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a display mechanism in an embodiment of the present application;
FIG. 4 is a schematic structural view of a fixing mechanism in an embodiment of the present application;
FIG. 5 is an enlarged view of A in FIG. 4;
FIG. 6 is a schematic structural diagram of a pushing mechanism in an embodiment of the present application;
fig. 7 is an enlarged view of B in fig. 6.
Reference numerals: 1. a sling pulling device; 11. a mobile vehicle; 12. positioning blocks; 121. a placement groove; 122. an adjustment chamber; 2. a fixing mechanism; 21. a first fixed block; 22. a second fixed block; 23. a rotating shaft; 24. a rotating assembly; 241. a first gear; 242. a second gear; 243. a first motor; 3. a display mechanism; 31. a display lever; 311. a groove; 32. a spring; 33. an adjusting plate; 34. a display ring; 4. a reinforcement mechanism; 41. a reinforcing rod; 42. a reinforcing block; 43. an adjustment assembly; 431. a first rack; 432. a second rack; 433. a third gear; 434. a fourth gear; 435. a fifth gear; 436. a sixth gear; 5. a limiting mechanism; 51. a limiting block; 511. a limiting aperture; 512. a first chute; 52. a guide block; 53. a clamping rod; 531. a second chute; 54. a clamping block; 55. a moving assembly; 551. a bidirectional screw; 552. a second motor; 6. an adjustment mechanism; 61. an adjusting block; 62. adjusting the screw rod; 63. a third motor; 7. a material pushing mechanism; 71. a material pushing block; 72. a rotating shaft; 73. a material stirring block; 74. a drive assembly; 741. a fourth motor; 742. a seventh gear; 743. and an eighth gear.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses a construction process of a main bridge of a bridge.
Referring to fig. 1, the construction process of the main bridge of the bridge comprises the following steps:
s1: firstly, manufacturing a pier stud in a river;
s2: erecting a steel box girder splicing platform on the bank side;
s3: assembling the steel box girder on the assembling platform to form a main bridge girder;
s4: installing arch ribs on the main bridge;
s5: firstly, transferring the rotating frame with the sling to a main bridge through a crane; then, one end of the sling firstly passes through the limiting mechanism 5, then the sling which passes through the limiting mechanism 5 is clamped by the sling pulling equipment 1, and the sling which is wound on the rotating frame is pulled out by the sling pulling equipment 1; then cutting off the pulled sling, and finally connecting the cut sling with the main bridge and the arch rib;
s6: and transferring the main bridge with the sling to the pier stud.
Referring to fig. 1 and 2, the limiting mechanism 5 includes a limiting block 51, and a limiting hole 511 for a sling to pass through is formed on the limiting block 51; the feed end of the limiting block 51 is fixedly connected with a guide block 52.
The sling is first passed through the guide block 52 and then through the restricting hole 511 of the restricting block 51.
Referring to fig. 2, the limiting block 51 is provided with a first sliding slot 512, and two clamping rods 53 are slidably connected in the first sliding slot 512; the limiting block 51 is provided with a moving assembly 55, the moving assembly 55 comprises a bidirectional screw 551 rotatably connected in the first sliding groove 512, the bidirectional screw 551 penetrates through the two clamping rods 53, and the two clamping rods 53 are respectively in threaded connection with two ends of the bidirectional screw 551; a second motor 552 is fixedly connected to the restricting block 51, and an output shaft of the second motor 552 is connected to one end of the bidirectional screw 551.
The clamping rod 53 is provided with a second sliding groove 531, the clamping rod 53 is provided with an adjusting mechanism 6, and the adjusting mechanism 6 comprises an adjusting block 61 connected in the second sliding groove 531 in a sliding manner; an adjusting screw 62 is rotatably connected in the second sliding groove 531, and the adjusting screw 62 passes through the adjusting block 61 and is in threaded connection with the adjusting block 61; a third motor 63 in threaded connection with one end of the adjusting screw 62 is fixedly connected to the clamping rod 53.
The clamping blocks 54 are fixedly connected to the sides of the two adjusting blocks 61 close to each other.
When the sling needs to be cut off, the second motor 552 is started first, the output shaft of the second motor 552 drives the bidirectional screw 551 to rotate, the bidirectional screw 551 drives the two clamping rods 53 to move in the first sliding groove 512 in the opposite direction, the adjusting blocks 61 on the two clamping rods 53 drive the clamping blocks 54 to move, the two clamping blocks 54 move in the opposite direction, and the two clamping blocks 54 clamp the sling.
When the sling is cut off, the third motor 63 is started, the output shaft of the third motor 63 drives the adjusting screw 62 to rotate, the adjusting screw 62 drives the adjusting block 61 to slide in the second sliding groove 531 of the clamping rod 53 towards the direction close to the limiting block 51, the adjusting block 61 drives the clamping block 54 to move, and the two clamping blocks 54 clamping the sling drive the sling to move, so that the sling passes through the limiting block 51.
Referring to fig. 1 and 3, the sling pulling device 1 includes a moving vehicle 11, a positioning block 12 is fixedly connected to the moving vehicle 11, a placing groove 121 for placing a sling is formed in the positioning block 12, a communication hole communicated with the placing groove 121 is formed in the positioning block 12, an axis of the communication hole coincides with an axis of the placing groove 121, and a groove 311 communicated with the communication hole is formed in the positioning block 12; a display mechanism 3 is arranged on the positioning block 12, the display mechanism 3 comprises a display rod 31 connected in the communicating hole in a sliding manner, and an adjusting plate 33 positioned in the groove 311 is fixedly connected to the display rod 31; a spring 32 is sleeved on the display rod 31, one end of the spring 32 is connected to the adjusting plate 33, and the other end is connected to the side wall of the groove 311; the end of the display rod 31 away from the limiting block 51 is provided with a display ring 34.
When the sling extends into the placing groove 121, the sling can abut against the display rod 31 and apply force to the display rod 31, and the display rod 31 can slide in the communicating hole and extend out of the positioning block 12; when the sling abuts against the bottom wall of the placing groove 121, the display ring 34 on the display rod 31 extends out of the positioning block 12.
Referring to fig. 1 and 3, a third sliding groove is formed on the positioning block 12, an adjusting cavity 122 is formed on the positioning block 12, and the adjusting cavity 122 is communicated with the third sliding groove and the placing groove 121; a reinforcing mechanism 4 is arranged on the positioning block 12, the reinforcing mechanism 4 comprises a reinforcing rod 41 connected in the third sliding groove in a sliding manner, a reinforcing groove clamped with the reinforcing rod 41 is formed in the display ring 34, and a reinforcing bolt penetrating through the reinforcing rod 41 and connected with the positioning block 12 in a threaded manner is arranged on the reinforcing rod 41; the adjusting cavity 122 is connected with a reinforcing block 42 in a sliding manner, and the reinforcing block 42 can abut against a sling tightly arranged in the placing groove 121.
An adjusting assembly 43 is arranged on the positioning block 12, and the adjusting assembly 43 comprises a first rack 431 integrally arranged on the reinforcing rod 41; a third gear 433 meshed with the first rack 431 is rotatably connected to the side wall of the adjusting cavity 122, a fourth gear 434 meshed with the third gear 433 is rotatably connected to the side wall of the adjusting cavity 122, a fifth gear 435 meshed with the fourth gear 434 is rotatably connected to the side wall of the adjusting cavity 122, and a sixth gear 436 meshed with the fifth gear 435 is rotatably connected to the side wall of the adjusting cavity 122; the reinforcing block 42 is integrally provided with a second rack 432 engaged with the fifth gear 435.
When the sling abuts against the bottom wall of the placing groove 121, the reinforcing rod 41 is moved towards the direction close to the display rod 31, so that the reinforcing rod 41 is clamped with the reinforcing groove on the display ring 34, and then the reinforcing bolt penetrates through the reinforcing rod 41 and is in threaded connection with the positioning block 12; when the reinforcing rod 41 moves, the first rack 431 on the reinforcing rod 41 drives the third gear 433 to rotate, the third gear 433 drives the fourth gear 434 to rotate, the fourth gear 434 drives the fifth gear 435 to rotate, the fifth gear 435 drives the sixth gear 436 to rotate, the sixth gear 436 drives the second rack 432 to move, and the second rack 432 drives the reinforcing block 42 to move in the direction close to the sling, so that the reinforcing block 42 abuts against the sling in the placing groove 121.
Referring to fig. 1 and 4, a fixing mechanism 2 is arranged on the moving vehicle 11, the fixing mechanism 2 includes a first fixing block 21 fixedly connected to the moving vehicle 11, a fixing groove is formed on the first fixing block 21, and an axis of the fixing groove coincides with an axis of the placing groove 121; the first fixing block 21 is rotatably connected with a rotating shaft 23, and the rotating shaft 23 is rotatably connected with a second fixing block 22.
Referring to fig. 4 and 5, the first fixing block 21 is provided with a rotating assembly 24, the rotating assembly 24 includes a first motor 243 fixedly connected to the first fixing block 21, and an output shaft of the first motor 243 is keyed with a first gear 241; a second gear 242 engaged with the first gear 241 is keyed on the rotation shaft 23.
Before the sling extends into the placing groove 121 of the positioning block 12, the sling is firstly positioned in the fixing groove of the first fixing block 21; when the sling abuts against the bottom wall of the placing groove 121 and the reinforcing block 42 abuts against the sling, the first motor 243 is started, the output shaft of the first motor 243 drives the first gear 241 to rotate, the first gear 241 drives the second gear 242 to rotate, the second gear 242 drives the rotating shaft 23 to rotate, the rotating shaft 23 drives the second fixing block 22 to rotate, and the second fixing block 22 abuts against the sling located in the fixing groove.
Referring to fig. 1 and 6, a pushing mechanism 7 is arranged at one end of the movable trolley 11 far away from the first fixed block 21, the pushing mechanism 7 comprises a pushing block 71 fixedly connected to the movable trolley 11, and a curled edge is arranged at one end of the pushing block 71 far away from the bridge deck; an adjusting hole is formed in the material pushing block 71, a rotating shaft 72 is rotatably arranged on the material pushing block 71, a material pulling block 73 is fixedly connected to the rotating shaft 72, one end, far away from the rotating shaft 72, of the material pulling block 73 is arranged in an arc shape, and the material pulling block 73 seals the adjusting hole.
Referring to fig. 6 and 7, a driving assembly 74 is disposed on the pusher block 71, the driving assembly 74 includes a fourth motor 741 fixedly connected to the pusher block 71, and an output shaft of the fourth motor 741 is keyed with a seventh gear 742; an eighth gear 743 engaged with the seventh gear 742 is keyed to the rotating shaft 72.
When the moving vehicle 11 moves, the material pushing block 71 can push away impurities on the moving path of the moving vehicle 11; when some impurities are attached to the material pushing block 71, the fourth motor 741 is started, an output shaft of the fourth motor 741 drives the seventh gear 742 to rotate, the seventh gear 742 drives the eighth gear 743 to rotate, the eighth gear 743 drives the rotating shaft 72 to rotate, the rotating shaft 72 drives the material pushing block 73 to move, and the material pushing block 73 pushes away the impurities attached to the material pushing block 71.
The implementation principle of the construction process of the main bridge of the bridge in the embodiment of the application is as follows: firstly, manufacturing a pier stud in a river; then erecting a steel box girder assembly platform on the bank side; assembling the steel box girder on the assembling platform to form a main bridge girder; and then installing arch ribs on the main bridge.
Transferring the rotating frame with the sling to a main bridge through a crane; then, one end of the sling is made to pass through the limiting hole 511 on the limiting block 51, and then the sling passing through the limiting hole 511 is made to extend into the placing hole of the positioning block 12, and the sling is made to abut against the fixing groove of the first fixing block 21.
When the sling is abutted against the bottom wall, the display ring 34 on the display rod 31 extends out of the positioning block 12; then, the reinforcing rod 41 is moved towards the direction close to the display ring 34, so that the reinforcing rod 41 is clamped with the reinforcing groove on the display ring 34; when the reinforcing rod 41 moves, the reinforcing block 42 moves in the adjusting cavity 122, so that the reinforcing block 42 abuts against the sling in the placing groove 121; finally, the reinforcing bolt penetrates through the reinforcing rod 41 and is in threaded connection with the positioning block 12.
After the sling is limited in the positioning block 12 by the reinforcing block 42, the first motor 243 is started to make the rotating shaft 23 drive the second fixing block 22 to rotate, and the second fixing block 22 abuts against the sling in the fixing groove.
Then the moving vehicle 11 is started, and the moving vehicle 11 can pull out the sling wound on the rotating frame; then the pulled slings are cut off, and finally the cut slings are connected with the main bridge and the arch rib.
And finally transferring the main bridge with the sling to the pier stud.
When the moving vehicle 11 moves, the moving vehicle 11 is in a straight line with the moving path and is parallel to the axis of the limiting hole 511; when the moving vehicle 11 moves, the pusher block 71 on the moving vehicle 11 pushes away the impurities on the path of the moving vehicle 11.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A construction process of a main bridge of a bridge is characterized by comprising the following steps:
s1: firstly, manufacturing a pier stud;
s2: erecting a steel box girder assembling platform;
s3: assembling the steel box girder on the assembling platform to form a main bridge girder;
s4: installing arch ribs on the main bridge;
s5: slings connected with the arch ribs are installed on the main bridge;
s6: and transferring the main bridge with the sling to the pier stud.
2. The process of claim 1, wherein the turret with the suspension cable is transferred to the main bridge through a crane in step S5; then, the sling wound on the rotating frame is pulled out by using the sling pulling equipment (1), then the pulled sling is cut off, and finally the cut sling is connected with the main bridge and the arch rib.
3. The construction process of a main bridge of a bridge according to claim 2, characterized in that the sling pulling device (1) comprises a moving vehicle (11), a positioning block (12) and a fixing mechanism (2), wherein the positioning block (12) is arranged on the moving vehicle (11), and the fixing mechanism (2) is arranged on the moving vehicle (11) and fixes the sling.
4. A construction process of a main bridge of a bridge according to claim 3, wherein the fixing mechanism (2) comprises a first fixing block (21), a second fixing block (22), a rotating shaft (23) and a rotating assembly (24), the first fixing block (21) is arranged on the moving vehicle (11); the rotating shaft (23) is arranged on the first fixing block (21), and the second fixing block (22) is arranged on the rotating shaft (23); the first fixing block (21) and the second fixing block (22) clamp a sling together;
the rotating assembly (24) comprises a first gear (241), a second gear (242) and a first motor (243), the first motor (243) is arranged on the first fixing block (21), and the first gear (241) is arranged on the first motor (243); the second gear (242) is disposed on the rotating shaft (23) and is engaged with the first gear (241).
5. The construction process of the bridge main axle according to claim 3, wherein a placing groove (121) is formed on the positioning block (12), and a communication hole communicated with the placing groove (121) is formed on the positioning block (12);
be provided with display mechanism (3) on locating piece (12), display mechanism (3) are including showing pole (31) and spring (32), it sets up to show that pole (31) slide in the intercommunicating pore, spring (32) cover is established show on pole (31), the one end of spring (32) is connected show on pole (31) and other one end is connected on the intercommunicating pore lateral wall.
6. The construction process of the bridge main bridge according to claim 5, wherein a reinforcing mechanism (4) is arranged on the positioning block (12), the reinforcing mechanism (4) comprises a reinforcing rod (41), a reinforcing block (42), a reinforcing bolt and an adjusting assembly (43), the reinforcing rod (41) is slidably arranged on the positioning block (12), and a reinforcing groove clamped with the reinforcing rod (41) is formed in the display rod (31); the reinforcing bolt penetrates through the reinforcing rod (41) and is in threaded connection with the positioning block (12);
an adjusting cavity (122) communicated with the placing groove (121) is formed in the positioning block (12), and the reinforcing block (42) is arranged in the adjusting cavity (122) in a sliding mode and abuts against a sling positioned in the placing groove (121);
the adjustment assembly (43) comprises a first rack (431), a second rack (432), a third gear (433), a fourth gear (434), a fifth gear (435), and a sixth gear (436), the first rack (431) being disposed on the reinforcement bar (41);
the third gear (433) is disposed within the positioning block (12) and engaged with the first rack (431), the fourth gear (434) is disposed within the positioning block (12) and engaged with the third gear (433), the fifth gear (435) is disposed within the positioning block (12) and engaged with the fourth gear (434), and the sixth gear (436) is disposed within the positioning block (12) and engaged with the fifth gear (435);
the second rack (432) is provided on the reinforcement block (42) and is engaged with the sixth gear (436).
7. The construction process of the bridge main bridge according to claim 3, characterized by further comprising a limiting mechanism (5), wherein the limiting mechanism (5) comprises a limiting block (51) and a guiding block (52), and the limiting block (51) is provided with a limiting hole (511);
the guide block (52) is provided on the restricting block (51).
8. The construction process of a bridge main axle according to claim 7, wherein a first sliding groove (512) is formed in the limiting block (51), two clamping rods (53) are slidably arranged in the first sliding groove (512), and clamping blocks (54) are arranged on the two clamping rods (53);
the limiting block (51) is provided with a moving assembly (55), the moving assembly (55) comprises a bidirectional screw rod (551) and a second motor (552), the bidirectional screw rod (551) penetrates through two clamping rods (53), and the two clamping rods (53) are respectively in threaded connection with two ends of the bidirectional screw rod (551); the second motor (552) is arranged on the limiting block (51) and is connected with the bidirectional screw rod (551).
9. The construction process of a bridge main axle according to claim 8, wherein an adjusting mechanism (6) is arranged on the clamping rod (53), the adjusting mechanism (6) comprises an adjusting block (61), an adjusting screw rod (62) and a third motor (63), the adjusting block (61) is arranged on the clamping rod (53) in a sliding manner, and the clamping block (54) is arranged on the adjusting block (61);
the adjusting screw rod (62) penetrates through the adjusting block (61) and is in threaded connection with the adjusting block (61); the third motor (63) is arranged on the clamping rod (53) and is connected with the adjusting screw rod (62).
10. The construction process of a bridge main axle according to claim 3, characterized in that the moving vehicle (11) is provided with a material pushing mechanism (7), the material pushing mechanism (7) comprises a material pushing block (71), a rotating shaft (72), a material pushing block (73) and a driving assembly (74), the material pushing block (71) is arranged on the moving vehicle (11), and the material pushing block (71) is provided with an adjusting hole;
the rotating shaft (72) is arranged on the material pushing block (71), the material pulling block (73) is arranged on the rotating shaft (72) and can seal the adjusting hole, and one end, far away from the rotating shaft (72), of the material pulling block (73) is arc-shaped;
the drive assembly (74) comprises a fourth motor (741), a seventh gear (742) and an eighth gear (743), the fourth motor (741) being disposed on the pusher block (71), the seventh gear (742) being disposed on the fourth motor (741); the eighth gear (743) is provided on the rotating shaft (72) and meshes with the seventh gear (742).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111628598.5A CN114319119A (en) | 2021-12-28 | 2021-12-28 | Construction process of main bridge of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111628598.5A CN114319119A (en) | 2021-12-28 | 2021-12-28 | Construction process of main bridge of bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114319119A true CN114319119A (en) | 2022-04-12 |
Family
ID=81015043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111628598.5A Pending CN114319119A (en) | 2021-12-28 | 2021-12-28 | Construction process of main bridge of bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114319119A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117451007A (en) * | 2023-12-25 | 2024-01-26 | 江苏广亚建设集团有限公司 | Bridge pier column template straightness detection device that hangs down |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011069162A (en) * | 2009-09-28 | 2011-04-07 | Nippon Sharyo Seizo Kaisha Ltd | Delivery method for mono-chord lohse bridge girder member |
| CN102261039A (en) * | 2011-04-25 | 2011-11-30 | 长沙理工大学 | Integral thrusting construction method of network tied arch bridge |
| CN109505222A (en) * | 2018-11-05 | 2019-03-22 | 安徽省交通规划设计研究总院股份有限公司 | A kind of netted sunpender bowstring arch bridge of assembled |
| CN112240005A (en) * | 2020-11-23 | 2021-01-19 | 中建八局第三建设有限公司 | Tie-bar arch bridge pushing method with large span and large longitudinal slope |
| CN113152282A (en) * | 2021-02-25 | 2021-07-23 | 中铁北京工程局集团(天津)工程有限公司 | Quick construction method for sling |
-
2021
- 2021-12-28 CN CN202111628598.5A patent/CN114319119A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011069162A (en) * | 2009-09-28 | 2011-04-07 | Nippon Sharyo Seizo Kaisha Ltd | Delivery method for mono-chord lohse bridge girder member |
| CN102261039A (en) * | 2011-04-25 | 2011-11-30 | 长沙理工大学 | Integral thrusting construction method of network tied arch bridge |
| CN109505222A (en) * | 2018-11-05 | 2019-03-22 | 安徽省交通规划设计研究总院股份有限公司 | A kind of netted sunpender bowstring arch bridge of assembled |
| CN112240005A (en) * | 2020-11-23 | 2021-01-19 | 中建八局第三建设有限公司 | Tie-bar arch bridge pushing method with large span and large longitudinal slope |
| CN113152282A (en) * | 2021-02-25 | 2021-07-23 | 中铁北京工程局集团(天津)工程有限公司 | Quick construction method for sling |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117451007A (en) * | 2023-12-25 | 2024-01-26 | 江苏广亚建设集团有限公司 | Bridge pier column template straightness detection device that hangs down |
| CN117451007B (en) * | 2023-12-25 | 2024-04-19 | 江苏广亚建设集团有限公司 | Bridge pier column template straightness detection device that hangs down |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114319119A (en) | Construction process of main bridge of bridge | |
| EP2567930B1 (en) | Rope winch | |
| CN201686340U (en) | Double-vertical-column gantry take-up and paying-off machine | |
| KR102237831B1 (en) | A sign board equipment for traffic lanes | |
| US20100154202A1 (en) | Transformer transporting/assembling method and u-shaped iron core assembling device | |
| DE102014215346B4 (en) | Support system for a measuring device for monitoring a hydraulic structure under water | |
| EP3299615B1 (en) | System for the assembly/disassembly of blades in wind turbines | |
| CN105819335A (en) | Hoisting device of heading machine and heading machine | |
| CN111910923A (en) | Integral hoisting type hoisting platform | |
| CN204727421U (en) | A kind of metal pipe material hanging device | |
| CN116552839B (en) | Unmanned aerial vehicle for cable carrying | |
| CN101468779B (en) | Hoisting device for submerged pump bracket | |
| CN114293563B (en) | Civil engineering foundation ditch is with safe supporting construction | |
| JP7504389B2 (en) | Steel sheet pile pulling jig and steel sheet pile pulling method | |
| CN212802631U (en) | Adjusting device for improving construction precision of large-size steel member | |
| CN114214947A (en) | Intelligent steel strand punching device and method | |
| CN111071925B (en) | Hoisting sheave platform for installing derrick crane and crane installation method | |
| US20170225920A1 (en) | Tensioner for the controlled clamping and forward movement of an elongate element | |
| CN109778838B (en) | Installation device of municipal works precast tubular pile and pile cap | |
| CN111119133B (en) | Hydropower station gate protection construction equipment and construction method thereof | |
| CN220809266U (en) | Installation equipment of roof shielding cloth | |
| CN215830523U (en) | Tunnel engineering steel bow member fixing device | |
| CN220394784U (en) | Concrete pipe joint connecting device | |
| CN221240045U (en) | Electromechanical reserved embedded wire pipe assembly | |
| CN218491326U (en) | Tower crane footing mobile device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220412 |