CN218911142U - Bridge bent cap construction system - Google Patents
Bridge bent cap construction system Download PDFInfo
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- CN218911142U CN218911142U CN202223075261.9U CN202223075261U CN218911142U CN 218911142 U CN218911142 U CN 218911142U CN 202223075261 U CN202223075261 U CN 202223075261U CN 218911142 U CN218911142 U CN 218911142U
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Abstract
The utility model provides a bridge bent cap construction system which comprises a crawler, a construction lifter, a cage ladder, a bent cap construction platform and a bent cap template, wherein the crawler is arranged on the cage ladder; the crawler is arranged on the bridge pier post which is constructed, and can move up and down along the bridge pier post; the capping beam construction platform is arranged on the crawler by self weight and can be driven by the crawler to move up and down along the bridge pier column; the construction lifter comprises a construction lifter operation platform and an annular lifting point frame, wherein the annular lifting point frame is arranged on the crawler, the construction lifter operation platform is hung on the annular lifting point frame through a steel wire rope, and the construction lifter operation platform can perform up-and-down lifting motion along a bridge pier column which is already constructed; the cage ladder is arranged on the crawler, constructors can take the construction lifter and reach the capping beam construction platform through the cage ladder to perform bridge capping beam construction operation. The capping beam construction method can reduce the work load of workers in high-altitude operation, reduce the risk of high-altitude operation and improve the construction efficiency.
Description
Technical Field
The utility model relates to the technical field of building bridge construction, in particular to a bridge capping beam construction system of a cylindrical pier type bridge.
Background
Capping beams refer to cross beams, also known as capping beams, that are provided on top of the pier for supporting, distributing and transferring the loads of the superstructure. The main function is to support the structure of the bridge upper part and to transfer the entire load to the lower structure. With the development of highway traffic industry, mountain expressways are more and more, the proportion of bridge tunnels to expressways is more and more, and due to steep topography and larger relative drop, mountain bridges develop towards the directions of large spans, cantilevers and high piers, and tens of meters of high piers appear successively, even higher.
At present, three methods for constructing the bent cap are generally adopted. Firstly, setting up a bracket from the ground upwards by a full framing method; secondly, a steel bar penetrating method is adopted, holes are reserved in pier columns to install brackets, the brackets are upwards erected with the brackets as starting points, ladder passages are erected from the ground, and the ladder passages are attached to the pier columns at intervals; thirdly, the hoop method adopts hoops to tighten the pier column, takes hoops as starting points to upwards build a support, builds a ladder path from the ground, and adheres to the pier column at intervals.
The first full framing method can occupy traffic channels for construction and even road sealing construction in urban bridge construction, influences urban traffic, has longer erection period, consumes labor and pipes and has higher cost; the second method for penetrating the steel bar does not occupy the road for construction, but leaves holes on the pier stud to influence the appearance integrity of the pier stud, and the steel bar is taken out to be in additional high-altitude operation, so that great potential safety hazards exist, the construction of a ladder passage is time-consuming and labor-consuming, and a special ladder foundation needs to be poured; the third hoop method can not occupy the road for construction and can not leave holes on the pier stud.
However, the existing hoop method is used for construction, but a ladder passage is required to be erected, a special ladder foundation is required to be poured, hoops, bent cap supports and the like are required to be installed at high altitude, more high-altitude operation exists, and potential safety hazards are large.
Therefore, an improved construction system for constructing the bridge capping beam by the anchor ear method is urgently needed in the market, so that the construction system can cancel the construction of a ladder path on the basis of the existing anchor ear method, greatly reduce high-level operation and realize the construction of the capping beam.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides the capping beam construction system which can reduce the workload of workers in high-altitude operation, reduce the risk of high-altitude operation and improve the construction efficiency.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a bridge bent cap construction system comprises a plurality of crawlers, a construction lifter, a cage ladder, a bent cap construction platform and a bent cap template; the crawler is respectively arranged on the bridge pier columns which are constructed, and can move up and down along the bridge pier columns; the bent cap construction platform is arranged on the crawler by self weight and can be driven by the crawler to move up and down along the bridge pier column; the construction lifter comprises a construction lifter operation platform and an annular lifting point frame, wherein the annular lifting point frame is arranged on the crawler, the construction lifter operation platform is hung on the annular lifting point frame through a steel wire rope, and the construction lifter operation platform can perform up-and-down lifting motion along a bridge pier column which is already constructed; the cage ladder is arranged on the crawler or a construction elevator operating platform, constructors can take the construction elevator and reach a capping beam construction platform through the cage ladder to perform bridge capping beam construction operation.
According to the preferable technical scheme, the construction elevators are multiple, and each crawler is respectively provided with the construction elevators in a hoisting mode.
According to the preferable technical scheme, the construction lifter is one, and the construction lifter is hoisted on one crawler; the other crawler is provided with a fixed operating platform.
According to the preferred technical scheme, the crawler comprises two hoops which are arranged up and down; a driving device for driving the anchor ear to move up and down is connected between the two anchor ears; the hoops are provided with hoop locking devices, and the hoop locking devices can lock or unlock the hoops;
the hoop locking device comprises a hoop locking oil cylinder, a hoop pull rod, a hoop sleeve, a disc spring, a cover plate and a pull rod bolt; the disc spring is sleeved on the hoop pull rod, and the hoop sleeve is sleeved on the disc spring; one end of the disc spring is propped against the hoop pull rod, and the other end of the disc spring is propped against the hoop sleeve; one end of the hoop sleeve is fixedly connected with the cylinder body of the hoop locking cylinder, and the other end of the hoop sleeve is fixedly connected with one end of the hoop to be locked; the cover plate is fixedly connected with the other end of the anchor ear to be locked; the anchor ear pull rod is provided with an internal thread matched with the pull rod bolt, and a screw rod of the pull rod bolt penetrates through the cover plate and is matched and connected with the internal thread on the anchor ear pull rod; the pull rod bolt is rotated to drive the other end of the anchor ear to be locked and one end of the anchor ear to be locked to be close to each other, so that the anchor ear to be locked is locked; the piston of the hoop locking oil cylinder can prop against or separate from the hoop pull rod to drive the hoop pull rod to move in the hoop sleeve and drive the other end of the hoop to be locked to be far away from or close to one end of the hoop to be locked, and the hoop to be locked is loosened or locked.
According to the preferred technical scheme, a pressing plate is detachably arranged on the cover plate; after the pressing plate is installed in place, the pressing plate abuts against the nut of the pull rod bolt.
According to the preferable technical scheme, the whole construction hoist operation platform is spliced into an annular platform through a plurality of sectional platforms by pin shafts, and each sectional platform is integrally provided with a hoisting machine, and the hoisting machine drives the whole construction hoist operation platform to perform up-and-down lifting motion along a bridge pier post which is already constructed through a steel wire rope hoisted on the annular hoisting frame.
According to the preferable technical scheme, a telescopic guide wheel set is arranged on the construction elevator operation platform; when the construction lifter works, the telescopic guide wheel group can contact with the bridge pier column to guide the construction lifter when extending out;
the telescopic guide wheel set comprises a driving mechanism, a telescopic bracket and an elastic guide wheel set, and the elastic guide wheel set is arranged on a construction elevator platform through the telescopic bracket; the driving mechanism can drive the telescopic bracket to move, so as to drive the elastic guide wheel set of the telescopic guide wheel set to move;
the elastic guide wheel set comprises a sleeve, a roller shaft and a roller, wherein the roller shaft and the roller are arranged in the sleeve in a penetrating way; the roller shaft can slide in the sleeve; a resisting nut is detachably arranged at one end of the roller shaft, and a roller support is arranged at the other end of the roller shaft; the roller is rotatably arranged on the roller support; the roller shaft is sleeved with a spring, one end of the spring abuts against the sleeve, and the other end of the spring abuts against the roller support.
The preferable technical scheme is that the telescopic bracket comprises a sliding rail and a sliding bracket; the sliding rail is arranged on the operation platform of the construction lifter, and the elastic guide wheel set of the telescopic guide wheel set is arranged on the sliding bracket; the driving mechanism can drive the sliding support to slide on the sliding rail, and then drive the elastic guide wheel set of the telescopic guide wheel set to move.
The preferable technical scheme is that the driving mechanism is a telescopic oil cylinder, the cylinder body end of the telescopic oil cylinder is fixed on the construction elevator platform, the piston end of the telescopic oil cylinder is connected with a sliding support of the telescopic support, and the telescopic oil cylinder can drive the sliding support to slide on the sliding rail so as to drive an elastic guide wheel set of the telescopic guide wheel set to move.
According to the preferred technical scheme, the driving mechanism is an electric cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the construction elevator is used for replacing a traditional ladder stand channel, so that the construction channel from the ground to the bent cap construction platform is built by an operator, the pouring link of a ladder stand foundation is reduced, the installation and transportation module is greatly reduced, and the construction efficiency is improved.
2. After the lifting devices are lifted to the high altitude step by step, the working steps are carried out, the lifting devices are completely transferred to the ground to carry out the working, and then the lifting devices are integrally lifted to the working plane step by step, so that the risk of the high altitude working is reduced, and the working efficiency in the construction process is greatly improved.
3. The bent cap construction platform, bent cap template etc. are carried out low level and are installed, rise to predetermined height through the crawler, also descend to the low level and dismantle when dismantling, greatly reduced high-order operation, reduced the potential safety hazard.
4. The hoop locking device of the crawler is simpler in structure and convenient to detach, and the condition that external threads of the pull rod are damaged can not occur in the detaching process, so that the cost is saved.
5. Use construction elevator to replace traditional cat ladder passageway and fixed operation platform, make entire system's transport module and installation module reduce by a wide margin, improved installation effectiveness. The construction lifter is designed into an annular platform, and can realize the full coverage of the working surface of the whole upright post. Compared with the mode that the traditional cat ladder channel and the fixed operation platform are combined, the device has the advantage of wider operation range.
6. The construction elevator is provided with a plurality of groups of telescopic guide wheel groups; the telescopic guide wheel group can be convenient to adapt to the reducing guide to a certain extent for the up-and-down movement of the operation platform of the construction elevator, and ensures stable and reliable up-and-down operation. The construction lifter replaces the traditional crawling ladder and a fixed operating platform, so that the transportation and installation modules are greatly reduced, the difficult problem that the pier column is higher and larger when a crawling ladder channel is erected in the past is thoroughly solved, and only the steel wire ropes with corresponding lengths are required to be paid out when the crawling ladder channel is lifted at a certain height. Constructors take the construction elevator to go to the high place for operation, physical consumption caused by climbing steps and the like is avoided, and the operation environment of the constructors is improved.
In summary, the bridge capping beam construction system greatly reduces the construction cost of the bridge capping beam, greatly improves the construction efficiency, greatly reduces the overhead operation, greatly improves the safety, and greatly improves the operation environment of constructors.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a bridge capping beam construction system according to embodiment 1 of the present utility model.
Fig. 2 is a schematic view of the overall structure of the operation platform of the construction hoist according to the present utility model.
Fig. 3 is a schematic view showing a partial structure of an operation platform of the construction hoist according to the present utility model.
Fig. 4 is a schematic diagram of a guiding process of a telescopic guiding wheel set of the construction hoist according to the present utility model.
Fig. 5 is a schematic structural view of a telescopic guide pulley group of the construction hoist according to the present utility model.
Fig. 6 is a schematic diagram of the overall structure of an elastic guide wheel set of the telescopic guide wheel set of the present utility model.
Fig. 7 is a schematic cross-sectional view of an elastic guide wheel set of the telescopic guide wheel set of the present utility model.
Fig. 8 is a schematic view of the overall structure of the crawler according to the present utility model.
Fig. 9 is a schematic structural view of the locking device of the crawler in a locked state.
Fig. 10 is a schematic view of the structure of the crawler according to the present utility model in a released state of the hoop locking device.
FIG. 11 is a schematic view of the mounting structure between the crawler, cage ladder and hanging point frame of the present utility model.
Fig. 12 is a schematic overall structure of a bridge capping beam construction system according to other embodiments.
Detailed Description
An embodiment of a capping beam construction method of the present utility model will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 11, a bridge bent cap construction system comprises two crawlers 1, a cage ladder 2, a construction lifter 3, a bent cap construction platform 4 and a bent cap template 5; the two crawlers 1 are respectively arranged on the bridge pier 01 which is constructed, and can move up and down along the bridge pier 01; the capping beam construction platform 4 is arranged on the crawler 1 by self weight and can be driven by the crawler 1 to move up and down along the bridge pier 01; the construction hoist 3 comprises a construction hoist operating platform 31 and an annular lifting point frame 32, the annular lifting point frame 32 is arranged on the crawler 1, the construction hoist operating platform 31 is lifted on the annular lifting point frame 32 through a steel wire rope 33, and the construction hoist operating platform 31 can perform up-and-down lifting motion along a bridge pier 01 which is already constructed; the cage ladder 2 is installed on the crawler 1 or on a construction lifter operation platform 31 (the cage system 2 in the embodiment is installed on the crawler 1), and a constructor can take the construction lifter 3 and reach the capping beam construction platform 4 through the cage ladder 2 to perform bridge capping beam construction operation.
As shown in fig. 12, there may be two construction lifters 3, and each crawler 1 is respectively provided with a construction lifter 3. Of course, in order to further save the cost, the construction hoist 3 may be one as shown in fig. 1, and the construction hoist 3 is hoisted on one of the crawlers 1; the other crawler 1 is fitted with a stationary operating platform 6. If the operator needs to go to the fixed operation platform 6 for working, the constructor can take the construction lifter 3 and pass through the cage ladder 2 to reach the bent cap construction platform 4, walk through the bent cap construction platform 4 and reach the fixed operation platform 6 for working.
The crawler 1 comprises two anchor ears 14 which are arranged up and down; a driving device 15 (which can be a hydraulic cylinder generally) for driving the hoops to move up and down is connected between the two hoops 14; the anchor ear 14 is provided with anchor ear locking devices 7, and the anchor ear locking devices 7 can lock or unlock the anchor ear 14.
The hoop locking device 7 comprises a hoop locking oil cylinder 71, a hoop pull rod 72, a hoop sleeve 73, a disc spring 74, a cover plate 75 and a pull rod bolt 76; the disc spring 74 is sleeved on the hoop pull rod 72, and the hoop sleeve 73 is sleeved on the disc spring 74; one end of the disc spring 74 is propped against the anchor ear pull rod 72, and the other end of the disc spring 74 is propped against the anchor ear sleeve 73; one end of the anchor ear sleeve 73 is fixedly connected with the cylinder body of the anchor ear locking cylinder 71, and the other end of the anchor ear sleeve 73 is fixedly connected with one end of the anchor ear 14 to be locked; the cover plate 75 is fixedly connected with the other end of the hoop 14 to be locked; the hoop pull rod 72 is provided with internal threads matched with the pull rod bolt 76, and a screw rod of the pull rod bolt 76 passes through the cover plate 75 and is matched and connected with the internal threads on the hoop pull rod 72; rotating the pull rod bolt 76 can drive the other end of the anchor ear 14 to be locked and one end of the anchor ear 14 to be locked to approach each other, so as to lock the anchor ear 14 to be locked; the piston of the hoop locking cylinder 71 can prop against or separate from the hoop pull rod 72, so as to drive the hoop pull rod 72 to move in the hoop sleeve 73, drive the other end of the hoop 14 to be locked to be far away from or close to one end of the hoop 14 to be locked, and release the hoop 14 to be locked or lock the hoop 14 to be locked.
The cover plate 75 is also detachably provided with a pressing plate 77; the pressure plate 77 abuts against the nut of the tie bolt 76 after being mounted in place. The mode that the clamp plate 77 is detachably arranged on the cover plate 75 (a detachable mode is provided with a bolt connection mode and the like) to prop against the pull rod bolt 76 is adopted, when the hoop 14 needs to be loosened, acting force on the hoop pull rod 72 can be directly acted on the cover plate 75 through the pull rod bolt 76 by the clamp plate 77, and then the other end of the hoop 14 to be loosened is driven to be far away from one end of the hoop 14 to be locked, the hoop 14 to be locked is loosened, the stroke of the hoop locking oil cylinder 71 during loosening is saved, or when the stroke of the hoop locking oil cylinder 71 is fixed, the loosening clearance of the hoop 14 is larger.
The whole construction hoist operation platform 31 is spliced into an annular platform through a plurality of sectional platforms by a pin shaft, and each sectional platform is provided with a hoist 9 in an integrated manner, and the hoist 9 drives the whole construction hoist operation platform 31 to perform up-and-down lifting motion along the bridge pier 01 which is completed by construction through a steel wire rope 33 hoisted on the annular hanging frame 32.
The construction elevator operating platform 31 is provided with a telescopic guide wheel set 34; when the construction hoist 3 works, the telescopic guide wheel set 34 can contact with the bridge pier 01 to guide the construction hoist 3 when extending.
The telescopic guide wheel set 34 comprises a driving mechanism 36 (the driving mechanism can adopt a telescopic oil cylinder or an electric cylinder and other driving devices; the telescopic oil cylinder is adopted in the embodiment), a telescopic bracket 37 and an elastic guide wheel set 8, and the elastic guide wheel set 8 is arranged on the construction elevator platform 31 through the telescopic bracket 37; the telescopic bracket 37 comprises a sliding rail 38 and a sliding bracket 39; the sliding rail 38 is arranged on the operation platform 31 of the construction elevator, and the elastic guide wheel set 8 of the telescopic guide wheel set 34 is arranged on the sliding bracket 39; the cylinder body end of the telescopic cylinder 36 is fixed on the construction hoist platform 31, the piston end of the telescopic cylinder 36 is connected with a sliding support 39 of the telescopic support 37, and the telescopic cylinder 36 can drive the sliding support 39 to slide on the sliding rail 38, so as to drive the elastic guide wheel set 8 of the telescopic guide wheel set 34 to move.
The elastic guide wheel set 8 comprises a sleeve 81, a roller shaft 82 penetrating through the sleeve 81 and a roller 62; the roller shaft 82 is slidable within the sleeve 81; a resisting nut 83 is detachably arranged at one end of the roller shaft 82, and a roller support 84 is arranged at the other end of the roller shaft 82; the roller 62 is rotatably mounted on a roller support 84; the roller shaft 82 is sleeved with a spring 66, one end of the spring 66 abuts against the sleeve 81, and the other end of the spring 66 abuts against the roller support 84.
The working process of the bridge bent cap construction system is as follows:
firstly, step S1, a construction system for installing a bridge bent cap at a low position
a. The crawler 1, the annular hanging point frame 32 and the cage ladder 2 are arranged at the lower position of the bridge pier column;
b. installing a construction hoist 3 at the lower position of a bridge pier, and connecting a construction hoist operating platform 31 to an annular lifting point frame 32 through a steel wire rope 33;
c. finishing the function debugging of the crawler 1 and the construction lifter 3;
d. a capping beam construction platform 4 and a capping beam template 5 are installed at a low position;
step S2, climbing of bridge bent cap construction system
a. The construction lifter 3 is lowered to the lowest position, the capping beam construction platform 4, the capping beam template 5 and the like are lifted to a preset height through the crawler 1, and the steel wire rope 33 is discharged for a certain length when climbing for a certain height, so that a climbing ladder passage is not required to be additionally built.
b. Leveling the bent cap template 5 after climbing in place;
s3, testing bearing capacity of crawler 1
a. After climbing in place, the upper and lower anchor clamps 14 are respectively locked to set torque, and a jack is plugged between the upper and lower anchor clamps 14 for carrying out load capacity test.
b. After the test is completed, the jack is taken out, and the upper hoop 14 and the lower hoop 14 are folded up and down, so that double safety guarantee on the supporting capability of the bent cap is realized.
S4, finishing the construction of the bent cap steel bar engineering
After jacking in place, constructors can take the construction lifter 3 to finish construction of the reinforcement cage from the ground to the bent cap construction platform 4, and all the bent cap templates 5 are paved.
S5, concrete pouring
And (5) completing concrete pouring.
S6, dismantling of capping beam construction system
a. The crawler 1 is operated to crawl downwards, and the bent cap construction platform 4 and the bent cap template 5 are driven to move downwards, so that demoulding is realized;
b. and (3) sequentially removing the capping beam template 5, the capping beam construction platform 4, the construction lifter 3, the cage ladder 2, the annular lifting point frame 32, the crawler 1 and other equipment at the low position of the bridge pier column.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a bridge bent cap construction system which characterized in that: the construction method comprises a plurality of crawlers, a construction lifter, a cage ladder, a bent cap construction platform and a bent cap template; the crawler is respectively arranged on the bridge pier columns which are constructed, and can move up and down along the bridge pier columns; the bent cap construction platform is arranged on the crawler by self weight and can be driven by the crawler to move up and down along the bridge pier column; the construction lifter comprises a construction lifter operation platform and an annular lifting point frame, wherein the annular lifting point frame is arranged on the crawler, the construction lifter operation platform is hung on the annular lifting point frame through a steel wire rope, and the construction lifter operation platform can perform up-and-down lifting motion along a bridge pier column which is already constructed; the cage ladder is arranged on the crawler or a construction elevator operating platform, constructors can take the construction elevator and reach a capping beam construction platform through the cage ladder to perform bridge capping beam construction operation.
2. The bridge cap beam construction system according to claim 1, wherein: the construction elevators are also multiple, and each crawler is respectively provided with a construction elevator in a hoisting mode.
3. The bridge cap beam construction system according to claim 1, wherein: the construction lifter is one, and is hoisted on one of the crawlers; other creepers are equipped with a stationary operating platform.
4. The bridge cap beam construction system according to claim 1, wherein: the crawler comprises two hoops which are arranged up and down; a driving device for driving the anchor ear to move up and down is connected between the two anchor ears; the hoops are provided with hoop locking devices, and the hoop locking devices can lock or unlock the hoops;
the hoop locking device comprises a hoop locking oil cylinder, a hoop pull rod, a hoop sleeve, a disc spring, a cover plate and a pull rod bolt; the disc spring is sleeved on the hoop pull rod, and the hoop sleeve is sleeved on the disc spring; one end of the disc spring is propped against the hoop pull rod, and the other end of the disc spring is propped against the hoop sleeve; one end of the hoop sleeve is fixedly connected with the cylinder body of the hoop locking cylinder, and the other end of the hoop sleeve is fixedly connected with one end of the hoop to be locked; the cover plate is fixedly connected with the other end of the anchor ear to be locked; the anchor ear pull rod is provided with an internal thread matched with the pull rod bolt, and a screw rod of the pull rod bolt penetrates through the cover plate and is matched and connected with the internal thread on the anchor ear pull rod; the pull rod bolt is rotated to drive the other end of the anchor ear to be locked and one end of the anchor ear to be locked to be close to each other, so that the anchor ear to be locked is locked; the piston of the hoop locking oil cylinder can prop against or separate from the hoop pull rod to drive the hoop pull rod to move in the hoop sleeve and drive the other end of the hoop to be locked to be far away from or close to one end of the hoop to be locked, and the hoop to be locked is loosened or locked.
5. The bridge cap beam construction system according to claim 4, wherein: the cover plate is also detachably provided with a pressing plate; after the pressing plate is installed in place, the pressing plate abuts against the nut of the pull rod bolt.
6. The bridge cap beam construction system according to claim 1, wherein: the whole construction elevator operation platform is spliced into an annular platform through a plurality of sectional platforms by pin shafts, and each sectional platform is integrally provided with a lifting machine which drives the whole construction elevator operation platform to perform up-and-down lifting motion along a bridge pier post which is already constructed through a steel wire rope hoisted on the annular hanging frame.
7. The bridge cap beam construction system according to claim 1, wherein: the construction elevator operating platform is provided with a telescopic guide wheel set; when the construction lifter works, the telescopic guide wheel group can contact with the bridge pier column to guide the construction lifter when extending out;
the telescopic guide wheel set comprises a driving mechanism, a telescopic bracket and an elastic guide wheel set, and the elastic guide wheel set is arranged on a construction elevator platform through the telescopic bracket; the driving mechanism can drive the telescopic bracket to move, so as to drive the elastic guide wheel set of the telescopic guide wheel set to move;
the elastic guide wheel set comprises a sleeve, a roller shaft and a roller, wherein the roller shaft and the roller are arranged in the sleeve in a penetrating way; the roller shaft can slide in the sleeve; a resisting nut is detachably arranged at one end of the roller shaft, and a roller support is arranged at the other end of the roller shaft; the roller is rotatably arranged on the roller support; the roller shaft is sleeved with a spring, one end of the spring abuts against the sleeve, and the other end of the spring abuts against the roller support.
8. The bridge cap beam construction system according to claim 7, wherein: the telescopic bracket comprises a sliding rail and a sliding bracket; the sliding rail is arranged on the operation platform of the construction lifter, and the elastic guide wheel set of the telescopic guide wheel set is arranged on the sliding bracket; the driving mechanism can drive the sliding support to slide on the sliding rail, and then drive the elastic guide wheel set of the telescopic guide wheel set to move.
9. The bridge cap beam construction system according to claim 8, wherein: the driving mechanism is a telescopic oil cylinder, the cylinder body end of the telescopic oil cylinder is fixed on the construction elevator platform, the piston end of the telescopic oil cylinder is connected with a sliding support of the telescopic support, and the telescopic oil cylinder can drive the sliding support to slide on the sliding rail so as to drive an elastic guide wheel set of the telescopic guide wheel set to move.
10. The bridge cap beam construction system according to claim 8, wherein: the driving mechanism is an electric cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223075261.9U CN218911142U (en) | 2022-11-18 | 2022-11-18 | Bridge bent cap construction system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223075261.9U CN218911142U (en) | 2022-11-18 | 2022-11-18 | Bridge bent cap construction system |
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| CN218911142U true CN218911142U (en) | 2023-04-25 |
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| CN202223075261.9U Active CN218911142U (en) | 2022-11-18 | 2022-11-18 | Bridge bent cap construction system |
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