CN113669104B - Construction method of secondary lining reinforcement cage of tunnel and reinforcement cage assembling vehicle - Google Patents
Construction method of secondary lining reinforcement cage of tunnel and reinforcement cage assembling vehicle Download PDFInfo
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- CN113669104B CN113669104B CN202110976639.3A CN202110976639A CN113669104B CN 113669104 B CN113669104 B CN 113669104B CN 202110976639 A CN202110976639 A CN 202110976639A CN 113669104 B CN113669104 B CN 113669104B
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 255
- 238000010276 construction Methods 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 82
- 239000010959 steel Substances 0.000 claims abstract description 82
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 238000003860 storage Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 17
- 210000000078 claw Anatomy 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 13
- 230000036541 health Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/006—Equipment transport systems
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- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a construction method of a secondary lining reinforcement cage of a tunnel and a reinforcement cage assembly vehicle, wherein the construction method of the secondary lining reinforcement cage of the tunnel comprises the following steps: firstly, prefabricating a reinforcement cage section outside a tunnel; then, conveying the plurality of reinforcement cage sections into a tunnel by using a reinforcement cage conveying vehicle; and grabbing the reinforcement cage segments by using a reinforcement cage assembling vehicle, so that a plurality of reinforcement cage segments are spliced into reinforcement cage rings along the inner wall of the tunnel. The steel reinforcement cage assembly vehicle comprises a chassis, an assembly arm and a service arm, wherein the assembly arm comprises a grabbing device, the service arm comprises a hanging basket and a driving mechanism for driving the hanging basket to move up and down, and the hanging basket is used for bearing operators to move to a proper height. According to the invention, the reinforcement cage segments are prefabricated outside the tunnel, transported into the tunnel and assembled by using the reinforcement cage assembling vehicle, reinforcement binding and welding in the tunnel are not needed, a large amount of harmful gas is not generated, and the health of constructors in the tunnel is ensured; the construction efficiency of the reinforcement cage is improved, the utilization rate of the template trolley is improved, and the engineering progress is accelerated.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a construction method of a secondary lining reinforcement cage of a tunnel and a reinforcement cage assembling vehicle.
Background
With the continuous promotion of the national force of China, the construction of the infrastructure of China is also continuously promoted. The water conservancy projects are continuously developed, the water diversion projects are continuously increased, and various tunnels are necessarily excavated in the infrastructure construction process in addition to the vast mountain areas of China. The tunnel construction is adopted, so that the damage to the natural environment is small, and the tunnel construction is a common construction type.
At present, a hydraulic tunnel constructed by a drilling and blasting method is generally used for binding and welding reinforcing steel bars in a hole, and because ventilation in the hole is poor, a large amount of harmful gas is generated in reinforcing steel bar welding, and the physical health of constructors is seriously affected. And, also consume a large amount of time with welding the steel reinforcement cage in the hole, need wait that the steel reinforcement cage ligature is accomplished after, pour with the template platform truck, template platform truck low in utilization ratio influences whole engineering progress.
Disclosure of Invention
The invention aims to provide a construction method of a secondary lining reinforcement cage of a tunnel, which can ensure the physical health of constructors in the tunnel, improve the utilization rate of a template trolley and accelerate the engineering progress; the invention also aims to provide the reinforcement cage assembling vehicle which can assemble the prefabricated reinforcement cage segments and avoid binding and welding reinforcement bars in the tunnel, so that the physical health of constructors in the tunnel can be ensured, the utilization rate of the template trolley can be improved, and the engineering progress can be accelerated.
In order to achieve the purpose, the steel reinforcement cage assembling vehicle adopts the following technical scheme:
steel reinforcement cage makeup car includes:
a chassis;
the assembly arm is arranged on the chassis and comprises a telescopic arm, a slewing mechanism, a lifting arm and a grabbing device, the telescopic arm comprises a first inner cylinder and a first outer cylinder which are assembled together in a telescopic mode along the front-back direction, the first outer cylinder is arranged on the chassis and connected with the slewing mechanism, the slewing axis of the slewing mechanism extends along the front-back direction, the lifting arm comprises a second inner cylinder and a second outer cylinder which are assembled together in a telescopic mode, the telescopic matching direction of the second inner cylinder and the second outer cylinder is perpendicular to the slewing axis direction of the slewing mechanism, the second outer cylinder is connected with the slewing mechanism, the second inner cylinder is connected with the grabbing device, and the grabbing device comprises a device body and a claw which is arranged on the device body and used for grabbing a reinforcement cage section;
the service arm is arranged on the chassis and comprises a third inner cylinder and a third outer cylinder which are assembled together in a telescopic way along the front-back direction, the third outer cylinder is arranged on the chassis in a sliding way along the left-right direction, the service arm also comprises a hanging basket arranged at the end part of the third inner cylinder and a driving mechanism for driving the hanging basket to move up and down, and the hanging basket is used for bearing operators to move to a proper height;
the clamping jaws are provided with a front clamping jaw and a rear clamping jaw, first clamping grooves used for being clamped on the front annular steel bar and the rear annular steel bar of the steel bar cage section are respectively formed in the front clamping jaw and the rear clamping jaw, the first clamping grooves are arc-shaped, at least one clamping jaw of the front clamping jaw and the rear clamping jaw is arranged on the device body through a telescopic oil cylinder so as to change the distance between the two clamping jaws, a second clamping groove is formed in the side face, opposite to the first clamping groove, of each clamping jaw, and is used for being clamped outside a transverse steel bar between the front annular steel bar and the rear annular steel bar of the steel bar cage section;
the grabbing device further comprises a connecting seat which is hinged with the device body through a spherical hinge mechanism, the connecting seat is positioned above the device body, and the top of the connecting seat is hinged with the second inner cylinder; a first swing oil cylinder is hinged between the second inner cylinder and the connecting seat, and the first swing oil cylinder is used for driving the connecting seat and the device body to swing around a first axis together; and a second swing oil cylinder and a third swing oil cylinder are hinged between the connecting seat and the device body, the second swing oil cylinder is used for driving the device body to swing around a second axis, and the third swing oil cylinder is used for driving the device body to swing around a third axis, and the first axis, the second axis and the third axis are perpendicular to each other.
The beneficial effects of the technical scheme are that: the steel reinforcement cage assembling vehicle comprises a chassis, an assembling arm and a service arm, wherein the assembling arm comprises a telescopic arm, a slewing mechanism, a lifting arm and a grabbing device, and the grabbing device comprises a claw, so that grabbing of the steel reinforcement cage section can be realized; the telescopic arm can realize the forward and backward movement of the grabbing device, so that the forward and backward positions of the reinforcement cage segments can be conveniently adjusted; the lifting arm can realize radial movement of the grabbing device, so that different reinforcement cage sections are attached to the inner wall of the tunnel; the rotary mechanism can realize circumferential rotation of the grabbing device, so that circumferential positions of the reinforcement cage segments can be conveniently adjusted, and a plurality of reinforcement cage segments are spliced into reinforcement cage rings along the inner wall of the tunnel.
Because each reinforcement cage section all needs to be positioned on the tunnel inner wall, to the reinforcement cage section of tunnel bottom, operating personnel can directly fix a position, to the reinforcement cage section of eminence, just need the hanging flower basket on the serving arm to bear operating personnel and remove to suitable height and fix a position. And the hanging basket is arranged at the end part of the third inner barrel, the telescopic fit of the third inner barrel and the third outer barrel can adjust the front and back positions of the hanging basket, the third outer barrel is slidably arranged on the chassis along the left and right directions, the left and right positions of the hanging basket can be adjusted, and the driving mechanism can drive the hanging basket to move up and down, so that an operator can conveniently move to a position required in a tunnel, the positioning of the reinforcement cage sections is assisted, and the assembly of the reinforcement cage is completed. And the concrete design of jack catch makes things convenient for the jack catch to snatch the steel reinforcement cage section, has simplified the setting form of jack catch, prevents that the steel reinforcement cage section from rotating. The design of each swing cylinder is convenient to finely adjust the position of the claw, and the position of the reinforcement cage section is convenient to adjust.
In conclusion, the reinforcement cage assembling vehicle is adopted, the reinforcement cage segments are prefabricated outside the tunnel, and then transported into the tunnel to be assembled by the reinforcement cage assembling vehicle, so that binding and welding of reinforcement bars in the tunnel are not needed, a large amount of harmful gas is not generated, and the physical health of constructors in the tunnel can be ensured; and compared with on-site binding and welding, the assembly mode can greatly improve the construction efficiency of the reinforcement cage, thereby improving the utilization rate of the template trolley and accelerating the engineering progress.
Further, in order to facilitate the manufacturing and the assembly of the connecting seat, the connecting seat comprises a connecting column and a front side column and a rear side column which are fixed on the front side and the rear side of the connecting column, the top of the connecting column is hinged with the second inner cylinder, the bottom of the connecting column is hinged with the device body through a spherical hinge mechanism, the first swing oil cylinder is hinged between the second inner cylinder and the front side column, the second swing oil cylinder is hinged between the connecting column and the device body, the third swing oil cylinder is hinged between the device body and the rear side column, and limiting structures for limiting the device body to swing back and forth relative to the connecting seat are arranged at the bottoms of the front side column and the rear side column.
Further, in order to facilitate the large-scale adjustment of the vertical position of the grabbing device, a fourth swinging oil cylinder for controlling the telescopic arm to swing up and down is hinged between the first outer cylinder and the chassis.
Further, in order to facilitate the arrangement and use of the driving mechanism of the hanging basket, the driving mechanism of the hanging basket comprises a guide cylinder fixed at the end part of the third inner cylinder and a guide post fixed on the hanging basket, and the guide post is in up-and-down guide fit with the guide cylinder; the driving mechanism of the hanging basket also comprises a motor arranged on the guide cylinder, a chain wheel or a gear arranged at the output end of the motor, and a chain or a rack fixed on the hanging basket and meshed with the chain wheel or the gear.
In order to achieve the purpose, the construction method of the tunnel secondary lining reinforcement cage adopts the following technical scheme:
use steel reinforcement cage to make up car includes:
a chassis;
the assembly arm is arranged on the chassis and comprises a telescopic arm, a slewing mechanism, a lifting arm and a grabbing device, the telescopic arm comprises a first inner cylinder and a first outer cylinder which are assembled together in a telescopic mode along the front-back direction, the first outer cylinder is arranged on the chassis and connected with the slewing mechanism, the slewing axis of the slewing mechanism extends along the front-back direction, the lifting arm comprises a second inner cylinder and a second outer cylinder which are assembled together in a telescopic mode, the telescopic matching direction of the second inner cylinder and the second outer cylinder is perpendicular to the slewing axis direction of the slewing mechanism, the second outer cylinder is connected with the slewing mechanism, the second inner cylinder is connected with the grabbing device, and the grabbing device comprises a device body and a claw which is arranged on the device body and used for grabbing a reinforcement cage section;
the service arm is arranged on the chassis and comprises a third inner cylinder and a third outer cylinder which are assembled together in a telescopic way along the front-back direction, the third outer cylinder is arranged on the chassis in a sliding way along the left-right direction, the service arm also comprises a hanging basket arranged at the end part of the third inner cylinder and a driving mechanism for driving the hanging basket to move up and down, and the hanging basket is used for bearing operators to move to a proper height;
the clamping jaws are provided with a front clamping jaw and a rear clamping jaw, first clamping grooves used for being clamped on the front annular steel bar and the rear annular steel bar of the steel bar cage section are respectively formed in the front clamping jaw and the rear clamping jaw, the first clamping grooves are arc-shaped, at least one clamping jaw of the front clamping jaw and the rear clamping jaw is arranged on the device body through a telescopic oil cylinder so as to change the distance between the two clamping jaws, a second clamping groove is formed in the side face, opposite to the first clamping groove, of each clamping jaw, and is used for being clamped outside a transverse steel bar between the front annular steel bar and the rear annular steel bar of the steel bar cage section;
the grabbing device further comprises a connecting seat which is hinged with the device body through a spherical hinge mechanism, the connecting seat is positioned above the device body, and the top of the connecting seat is hinged with the second inner cylinder; a first swing oil cylinder is hinged between the second inner cylinder and the connecting seat, and the first swing oil cylinder is used for driving the connecting seat and the device body to swing around a first axis together; and a second swing oil cylinder and a third swing oil cylinder are hinged between the connecting seat and the device body, the second swing oil cylinder is used for driving the device body to swing around a second axis, and the third swing oil cylinder is used for driving the device body to swing around a third axis, and the first axis, the second axis and the third axis are perpendicular to each other.
The method comprises the following steps:
firstly, prefabricating an arc-shaped reinforcement cage section outside a tunnel;
secondly, conveying a plurality of reinforcement cage sections into a tunnel by using a reinforcement cage transport vehicle, and leaving the reinforcement cage transport vehicle after unloading the reinforcement cage sections;
thirdly, grabbing the reinforcement cage segments by utilizing the claws of the grabbing device on the reinforcement cage assembling vehicle, controlling the grabbing device to move to enable the reinforcement cage segments to be close to the inner wall of the tunnel, positioning the reinforcement cage segments, grabbing other reinforcement cage segments in sequence to enable a plurality of reinforcement cage segments to be spliced into a reinforcement cage ring along the inner wall of the tunnel, positioning the reinforcement cage segments at the bottom of the tunnel directly by operators in the process, moving a basket bearing operator on the reinforcement cage assembling vehicle to a proper height, positioning other reinforcement cage segments, and assembling the reinforcement cage.
The beneficial effects of the technical scheme are that: the steel reinforcement cage sections are prefabricated outside the tunnel, the steel reinforcement cage sections are transported into the tunnel by using a steel reinforcement cage transport vehicle, then the steel reinforcement cage sections are grabbed by using the clamping jaws of the grabbing device on the steel reinforcement cage assembling vehicle, the steel reinforcement cage sections are controlled to be close to the inner wall of the tunnel by controlling the movement of the grabbing device, the steel reinforcement cage sections are positioned, other steel reinforcement cage sections are grabbed in sequence, a plurality of steel reinforcement cage sections are spliced into a steel reinforcement cage ring along the inner wall of the tunnel, an operator can directly position the steel reinforcement cage sections at the bottom of the tunnel, and the operator can be loaded by using the hanging basket on the steel reinforcement cage assembling vehicle to move to a proper height, so that the assembly of the steel reinforcement cage is finally completed.
In summary, the construction method of the second lining reinforcement cage of the tunnel only needs to finish prefabrication of the reinforcement cage sections outside the tunnel, then transport the reinforcement cage sections into the tunnel and assemble the reinforcement cage sections by using a reinforcement cage assembling vehicle, and binding and welding of reinforcement bars in the tunnel are not needed, so that a large amount of harmful gas is not generated, and the physical health of constructors in the tunnel can be ensured; and compared with on-site binding and welding, the assembly mode can greatly improve the construction efficiency of the reinforcement cage, thereby improving the utilization rate of the template trolley and accelerating the engineering progress.
Further, in order to facilitate the manufacturing and the assembly of the connecting seat, the connecting seat comprises a connecting column and a front side column and a rear side column which are fixed on the front side and the rear side of the connecting column, the top of the connecting column is hinged with the second inner cylinder, the bottom of the connecting column is hinged with the device body through a spherical hinge mechanism, the first swing oil cylinder is hinged between the second inner cylinder and the front side column, the second swing oil cylinder is hinged between the connecting column and the device body, the third swing oil cylinder is hinged between the device body and the rear side column, and limiting structures for limiting the device body to swing back and forth relative to the connecting seat are arranged at the bottoms of the front side column and the rear side column.
Further, in order to facilitate the large-scale adjustment of the vertical position of the grabbing device, a fourth swinging oil cylinder for controlling the telescopic arm to swing up and down is hinged between the first outer cylinder and the chassis.
Further, in order to facilitate the arrangement and use of the driving mechanism of the hanging basket, the driving mechanism of the hanging basket comprises a guide cylinder fixed at the end part of the third inner cylinder and a guide post fixed on the hanging basket, and the guide post is in up-and-down guide fit with the guide cylinder; the driving mechanism of the hanging basket also comprises a motor arranged on the guide cylinder, a chain wheel or a gear arranged at the output end of the motor, and a chain or a rack fixed on the hanging basket and meshed with the chain wheel or the gear.
Further, in order to facilitate storage and use of the reinforcement cage segments, the reinforcement cage transport vehicle directly reaches the position of the reinforcement cage storage vehicle after entering the tunnel, and the reinforcement cage segments on the reinforcement cage transport vehicle are lifted to the reinforcement cage storage vehicle by using a crane on the reinforcement cage storage vehicle, so that unloading and storage of the reinforcement cage segments are realized.
Furthermore, in order to improve the efficiency of construction, the lifting machines on the steel reinforcement cage storage vehicle are multiple, and when the steel reinforcement cage segments are unloaded, other lifting machines are utilized to transfer the steel reinforcement cage segments stored on the steel reinforcement cage storage vehicle to the position of the steel reinforcement cage assembly vehicle, so that unloading and assembling are realized.
Drawings
Fig. 1 is a diagram of an implementation process (an early stage of a construction process) of a construction method of a tunnel secondary lining reinforcement cage in the invention;
fig. 2 is a diagram of an implementation process (a later stage of a construction process) of the construction method of the tunnel secondary lining reinforcement cage in the invention;
fig. 3 is a front view of the reinforcement cage assembly vehicle;
fig. 4 is a left side view of the reinforcement cage assembly vehicle;
fig. 5 is a top view of the reinforcement cage assembly vehicle;
FIG. 6 is a block diagram of the assembly arm of the reinforcement cage assembly vehicle;
fig. 7 is a left side view of the assembly arm of the reinforcement cage assembly vehicle;
fig. 8 is a top view of a service arm of the reinforcement cage assembly vehicle;
FIG. 9 is an enlarged view of a portion of FIG. 8;
fig. 10 is a front view of a service arm of the reinforcement cage assembly vehicle;
FIG. 11 is an enlarged view of a portion of FIG. 10;
FIG. 12 is a schematic illustration of a crane lifting a reinforcement cage segment on a reinforcement cage storage cart;
fig. 13 is a schematic view of a reinforcement cage assembly vehicle in assembling a bottom reinforcement cage segment;
fig. 14 is a schematic view of a reinforcement cage assembly vehicle in assembling side reinforcement cage segments;
fig. 15 is a schematic view of a reinforcement cage assembly vehicle in assembling a top reinforcement cage segment.
In the figure: 1. a tunnel; 2. a reinforcement cage transport vehicle; 3. a reinforcement cage storage vehicle; 31. a crane; 4. a reinforcement cage section; 5. assembling a reinforcement cage; 51. a chassis; 52. assembling arms; 521. a telescoping arm; 5211. a first outer cylinder; 5212. a first inner cylinder; 5213. a first telescopic cylinder; 522. a slewing mechanism; 523. a lifting arm; 5231. a second outer cylinder; 5232. a second inner cylinder; 524. a gripping device; 5240. a spherical hinge mechanism; 5241. a device body; 5242. a claw; 52421. a first clamping groove; 52422. a second clamping groove; 5243. the second telescopic oil cylinder; 5244. a connecting column; 5245. a front side column; 5246. a rear side column; 5247. a first swing cylinder; 5248. a third swing cylinder; 5249. a second swing cylinder; 525. a fourth swing cylinder; 53. a service arm; 531. a chain; 532. a third outer cylinder; 533. a third inner cylinder; 534. a guide cylinder; 535. a hanging basket; 536. a guide post; 537. the third telescopic oil cylinder; 538. a motor; 539. a sprocket; 6. a traveling template trolley; 7. and (5) a concrete transportation vehicle.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and capabilities of the present invention are described in further detail below in connection with the examples.
An embodiment of a construction method of a second lining reinforcement cage of a tunnel in the invention is shown in fig. 1, and the construction method of the second lining reinforcement cage of the tunnel comprises the following steps:
first, prefabricating an arc-shaped reinforcement cage section 4 outside the tunnel 1.
And secondly, conveying a plurality of reinforcement cage sections 4 into the tunnel 1 by using the reinforcement cage conveying vehicle 2, and leaving the reinforcement cage conveying vehicle 2 after unloading the reinforcement cage sections 4. Specifically, the steel reinforcement cage transport vechicle 2 is in the tunnel 1 after directly reachd the position of steel reinforcement cage storage car 3, utilizes crane 31 (as shown in fig. 12) on the steel reinforcement cage storage car 3 to hoist steel reinforcement cage section 4 on the steel reinforcement cage transport vechicle 2 to the steel reinforcement cage storage car 3, realizes the uninstallation and the storage of steel reinforcement cage section 4.
Thirdly, the steel reinforcement cage segments 4 are grabbed by utilizing the clamping claws of the grabbing device on the steel reinforcement cage assembling vehicle 5, the grabbing device is controlled to move so that the steel reinforcement cage segments 4 are close to the inner wall of the tunnel 1, the steel reinforcement cage segments 4 are positioned, other steel reinforcement cage segments 4 are grabbed in sequence so that a plurality of steel reinforcement cage segments 4 are spliced into a steel reinforcement cage ring along the inner wall of the tunnel 1, operators directly position the steel reinforcement cage segments at the bottom of the tunnel in the process, and the baskets on the steel reinforcement cage assembling vehicle 5 are utilized to bear the operators to move to a proper height, positioning of other steel reinforcement cage segments is carried out, and assembly of the steel reinforcement cage is completed, as shown in fig. 13, 14 and 15.
The plurality of cranes 31 on the reinforcement cage storage vehicle 3 are used for unloading the reinforcement cage sections 4 and transferring the reinforcement cage sections 4 stored on the reinforcement cage storage vehicle 3 to the positions of the reinforcement cage assembly vehicle 5 by using other cranes, so that the reinforcement cage storage vehicle can be assembled while unloading.
After the reinforcement cage transport vehicle 2 leaves the site, the concrete transport vehicle 7 can enter the site and pass through the template trolley 6 to perform secondary lining concrete pouring, as shown in fig. 2.
According to the construction method of the second lining reinforcement cage of the tunnel, prefabrication of the reinforcement cage section 4 is completed outside the tunnel 1, and then the reinforcement cage section is transported into the tunnel 1 to be assembled by using the reinforcement cage assembling vehicle 5, so that binding and welding of reinforcement bars in the tunnel 1 are not needed, a large amount of harmful gas is not generated, and the physical health of constructors in the tunnel can be ensured; and compared with on-site binding and welding, the assembly mode can greatly improve the construction efficiency of the reinforcement cage, thereby improving the utilization rate of the template trolley and accelerating the engineering progress.
The embodiment of the steel reinforcement cage assembly vehicle in the invention is as follows: the reinforcement cage assembling vehicle is a reinforcement cage assembling vehicle 5 in the construction method of the tunnel secondary lining reinforcement cage, and as shown in fig. 3, 4 and 5, the reinforcement cage assembling vehicle 5 comprises a chassis 51, and an assembling arm 52 and a service arm 53 which are arranged on the chassis 51.
As shown in fig. 6 and 7, the assembly arm 52 includes a telescopic arm 521, a swing mechanism 522, a lifting arm 523, and a gripping device 524, wherein the telescopic arm 521 includes a first inner cylinder 5212 and a first outer cylinder 5211 that are telescopically assembled together in the front-rear direction, a first telescopic cylinder 5213 is connected between the first inner cylinder 5212 and the first outer cylinder 5211, the first outer cylinder 5211 is mounted on the chassis 51, and a fourth swing cylinder 525 for controlling the telescopic arm 521 to swing up and down is hinged between the first outer cylinder 5211 and the chassis 51. The first inner tube 5212 is connected to the swing mechanism 522, and the swing axis of the swing mechanism 522 extends in the front-rear direction.
The lifting arm 523 comprises a second inner cylinder 5232 and a second outer cylinder 5231 which are telescopically assembled together, the telescopic matching direction of the second inner cylinder 5232 and the second outer cylinder 5231 is perpendicular to the rotation axis direction of the rotation mechanism 522, the second outer cylinder 5231 is connected with the rotation mechanism 522, and the second inner cylinder 5232 is connected with the grabbing device 524, so that the grabbing device 524 can move back and forth and swing up and down in a tunnel under the action of the telescopic arm 521; the gripping device 524 can rotate along the circumferential direction of the tunnel under the action of the slewing mechanism 522; the gripping device 524 is telescopically movable in the radial direction of the tunnel by the lifting arm 523.
As shown in fig. 6 and 7, the gripping device 524 includes a device body 5241 and a claw 5242 mounted on the device body 5241 for gripping the reinforcement cage segment, as shown in fig. 12 to 15, the reinforcement cage segment 4 is arc-shaped, and includes a circumferential reinforcement bar on the front and rear sides and a transverse reinforcement bar fixed between the two circumferential reinforcement bars, wherein the circumferential reinforcement bar is a segment of arc-shaped reinforcement bar, and the transverse reinforcement bar is a straight reinforcement bar extending along the front and rear directions.
As shown in fig. 6 and 7, the two front and rear claws 5242 are provided, and the front and rear claws 5242 are respectively provided with a first clamping groove 52421 for clamping on the front and rear annular reinforcing bars of the reinforcement cage section 4, and the first clamping groove 52421 is arc-shaped and is adapted to the shape of the annular reinforcing bars. The front clamping jaw 5242 and the rear clamping jaw 5242 are respectively arranged on the device body 5241 through the second telescopic oil cylinder 5243 so as to change the distance between the two clamping jaws 5242 and further facilitate grabbing the reinforcement cage section. And, be provided with second draw-in groove 52422 on the side that jack catch 5242 and first draw-in groove 52421 are opposite to each other, second draw-in groove 52422 is used for the card outside the horizontal reinforcing bar between two hoop reinforcing bars around the steel reinforcement cage section, not only can prevent like this that the steel reinforcement cage section from rotating, also more conveniently snatch moreover, need not consider how to dodge the problem of horizontal reinforcing bar.
The grabbing device 524 further comprises a connecting seat hinged with the device body 5241 through a spherical hinge mechanism 5240, the connecting seat is positioned above the device body 5241, and the top of the connecting seat is hinged with the second inner barrel 5232; a first swinging oil cylinder 5247 is hinged between the second inner cylinder 5232 and the connecting seat, and the first swinging oil cylinder 5247 is used for driving the connecting seat and the device body 5241 to swing together around a first axis (the first axis in the state shown in fig. 6 and 7 extends along the left-right direction); a second swing oil cylinder 5249 and a third swing oil cylinder 5248 are hinged between the connecting seat and the device body 5241, the second swing oil cylinder 5249 is used for driving the device body 5241 to swing around a second axis (the second axis in the state shown in fig. 6 and 7 extends along the front-rear direction), the third swing oil cylinder 5248 is used for driving the device body 5241 to swing around a third axis (the third axis in the state shown in fig. 6 and 7 extends along the up-down direction), and the first axis, the second axis and the third axis are perpendicular to each other.
Specifically, the above-mentioned connection base includes a connection post 5244, and a front side post 5245 and a rear side post 5246 fixed on the front and rear sides of the connection post 5244, where the top of the connection post 5244 is hinged to the second inner cylinder 5232, and the bottom of the connection post 5244 is hinged to the device body 5241 through a spherical hinge mechanism 5240, and the specific structure of the spherical hinge mechanism 5240 belongs to the prior art, and is not described in detail herein, and its main purpose is to realize the spherical hinge connection between the connection post 5244 and the device body 5241. The first swing cylinder 5247 is hinged between the second inner cylinder 5232 and the front side post 5245, the second swing cylinder 5249 is hinged between the connecting post 5244 and the device body 5241, and the third swing cylinder 5248 is hinged between the device body 5241 and the rear side post 5246.
Meanwhile, the bottoms of the front side column 5245 and the rear side column 5246 are provided with limiting structures for limiting the device body 5241 to swing back and forth relative to the connecting seat, in order to avoid the limiting structures from affecting the left-right swing of the device body 5241, the limiting structures are arranged as limiting pins with smaller outer diameter sizes, the bottom ends of the limiting pins are preferably arranged to be spherical surfaces and are in contact with the device body 5241, and the bottom end connecting lines of the two limiting pins pass through the rotation center of the spherical hinge mechanism 5240.
As shown in fig. 8, 9, 10 and 11, the service arm 53 includes a third inner cylinder 533 and a third outer cylinder 532 that are assembled together in a telescopic manner in the front-rear direction, a third telescopic cylinder 537 is connected between the third inner cylinder 533 and the third outer cylinder 532, the third outer cylinder 532 is slidably mounted on the chassis 51 in the left-right direction, and the entire service arm 53 can be slid on the chassis 51 in the left-right direction beyond the assembly arm 52 to adjust the left-right position of the service arm 53.
The service arm 53 further includes a basket 535 mounted at an end of the third inner barrel 533 and a driving mechanism for driving the basket 535 to move up and down, the basket 535 being for carrying an operator to move to a proper height. Specifically, the driving mechanism of the basket includes a guide cylinder 534 fixed to an end of the third inner cylinder 533 and a guide post 536 fixed to the basket 535, and the guide post 536 is vertically guide-fitted to the guide cylinder 534. The drive mechanism of the basket also includes a motor 538 mounted on the guide cylinder 534, a sprocket 539 mounted on the output end of the motor 538, and a chain 531 fixed to the basket 535 and engaged with the sprocket 539.
The working principle of the reinforcement cage assembly vehicle in the invention is as follows:
when the steel reinforcement cage storage vehicle is used, as shown in fig. 12, the crane 31 of the steel reinforcement cage storage vehicle 3 transfers the steel reinforcement cage segments 4 to the lower part of the assembly arm of the steel reinforcement cage assembly vehicle 5, the grabbing device of the steel reinforcement cage assembly vehicle 5 grabs the steel reinforcement cage segments 4 and lifts a certain distance, the grabbing device adjusts through the posture of multiple degrees of freedom, the telescopic arm can control the front and back positions of the steel reinforcement cage segments, the lifting arm can control the radial positions of the steel reinforcement cage segments, the rotating mechanism can control the circumferential positions of the steel reinforcement cage segments, and therefore the steel reinforcement cage segments 4 at the bottom are positioned, and as shown in fig. 13, the steel reinforcement cage segments at the bottom are positioned by manual assistance. Repeating the above steps, assembling two reinforcement cage segments (shown in fig. 14) on the side and two reinforcement cage segments (shown in fig. 15) on the top, completing the assembly of reinforcement cages, wherein each assembly of one reinforcement cage segment needs to be manually positioned by using a service arm, and an operator stands in a basket 535 of the service arm, and the up-down and left-right positions can be adjusted.
Therefore, the reinforcement cage assembling vehicle is adopted, the reinforcement cage segments are prefabricated outside the tunnel, and then transported into the tunnel to be assembled by the reinforcement cage assembling vehicle, so that binding and welding of reinforcement bars in the tunnel are not needed, a large amount of harmful gas is not generated, and the health of constructors in the tunnel can be ensured; and compared with on-site binding and welding, the assembly mode can greatly improve the construction efficiency of the reinforcement cage, thereby improving the utilization rate of the template trolley and accelerating the engineering progress.
In other embodiments of the method of constructing a secondary lined reinforcement cage for a tunnel, only one crane on the reinforcement cage storage vehicle may be used to first unload and then transport the reinforcement cage segments to the location of the reinforcement cage assembly vehicle.
In other embodiments of the construction method of the second lining reinforcement cage of the tunnel, a reinforcement cage storage vehicle is not required, and the reinforcement cage transport vehicle directly unloads the reinforcement cage segments into the tunnel after entering the tunnel.
In other embodiments of the reinforcement cage assembly vehicle, the output end of the motor may be provided with a gear, and at this time, the hanging basket is fixed with a rack, and the rack is meshed with the gear.
In other embodiments of the reinforcement cage assembly vehicle, the drive mechanism of the basket may be an oil cylinder instead of a motor, sprocket or gear, chain or rack.
In other embodiments of the reinforcement cage assembly vehicle, a fourth swing cylinder is not connected between the first outer cylinder and the chassis, and the telescopic arm cannot swing up and down at this time.
In other embodiments of the reinforcement cage assembly vehicle, the bottoms of the front side column and the rear side column may not be provided with a limiting structure, and an oil cylinder may be added between the connecting seat and the device body to control the device body to move back and forth relative to the connecting seat.
In other embodiments of the reinforcement cage assembly vehicle, the connecting seat may also include a connecting column, and a left side column and a right side column fixed on the left side and the right side of the connecting column, where the setting position of the oil cylinder is equivalent to 90 degrees of rotation.
In other embodiments of the reinforcement cage assembly vehicle, the gripping device may not include a connecting seat, and the device body is directly fixedly connected with the second inner barrel.
In other embodiments of the reinforcement cage assembly vehicle, the second clamping groove is not formed in the clamping jaw, and the clamping jaw needs to avoid transverse reinforcement.
In other embodiments of the reinforcement cage assembly vehicle, only one of the two jaws is mounted to the device body via a telescopic ram.
In other embodiments of the reinforcement cage assembly vehicle, the jaws may also be provided as manipulators.
The above description is only a preferred embodiment of the present invention, and the patent protection scope of the present invention is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Steel reinforcement cage makeup car, its characterized in that includes:
a chassis;
the assembly arm is arranged on the chassis and comprises a telescopic arm, a slewing mechanism, a lifting arm and a grabbing device, the telescopic arm comprises a first inner cylinder and a first outer cylinder which are assembled together in a telescopic mode along the front-back direction, the first outer cylinder is arranged on the chassis and connected with the slewing mechanism, the slewing axis of the slewing mechanism extends along the front-back direction, the lifting arm comprises a second inner cylinder and a second outer cylinder which are assembled together in a telescopic mode, the telescopic matching direction of the second inner cylinder and the second outer cylinder is perpendicular to the slewing axis direction of the slewing mechanism, the second outer cylinder is connected with the slewing mechanism, the second inner cylinder is connected with the grabbing device, and the grabbing device comprises a device body and a claw which is arranged on the device body and used for grabbing a reinforcement cage section;
the service arm is arranged on the chassis and comprises a third inner cylinder and a third outer cylinder which are assembled together in a telescopic way along the front-back direction, the third outer cylinder is arranged on the chassis in a sliding way along the left-right direction, the service arm also comprises a hanging basket arranged at the end part of the third inner cylinder and a driving mechanism for driving the hanging basket to move up and down, and the hanging basket is used for bearing operators to move to a proper height;
the clamping jaws are provided with a front clamping jaw and a rear clamping jaw, first clamping grooves used for being clamped on the front annular steel bar and the rear annular steel bar of the steel bar cage section are respectively formed in the front clamping jaw and the rear clamping jaw, the first clamping grooves are arc-shaped, at least one clamping jaw of the front clamping jaw and the rear clamping jaw is arranged on the device body through a telescopic oil cylinder so as to change the distance between the two clamping jaws, a second clamping groove is formed in the side face, opposite to the first clamping groove, of each clamping jaw, and is used for being clamped outside a transverse steel bar between the front annular steel bar and the rear annular steel bar of the steel bar cage section;
the grabbing device further comprises a connecting seat which is hinged with the device body through a spherical hinge mechanism, the connecting seat is positioned above the device body, and the top of the connecting seat is hinged with the second inner cylinder; a first swing oil cylinder is hinged between the second inner cylinder and the connecting seat, and the first swing oil cylinder is used for driving the connecting seat and the device body to swing around a first axis together; and a second swing oil cylinder and a third swing oil cylinder are hinged between the connecting seat and the device body, the second swing oil cylinder is used for driving the device body to swing around a second axis, and the third swing oil cylinder is used for driving the device body to swing around a third axis, and the first axis, the second axis and the third axis are perpendicular to each other.
2. The reinforcement cage assembling vehicle according to claim 1, wherein the connecting base comprises a connecting column and a front side column and a rear side column fixed on the front side and the rear side of the connecting column, the top of the connecting column is hinged with the second inner cylinder, the bottom of the connecting column is hinged with the device body through a spherical hinge mechanism, the first swing cylinder is hinged between the second inner cylinder and the front side column, the second swing cylinder is hinged between the connecting column and the device body, the third swing cylinder is hinged between the device body and the rear side column, and limiting structures for limiting the front-back swing of the device body relative to the connecting base are arranged at the bottoms of the front side column and the rear side column.
3. The reinforcement cage assembling vehicle according to claim 1, wherein a fourth swing cylinder for controlling the telescopic arm to swing up and down is hinged between the first outer cylinder and the chassis.
4. The reinforcement cage assembling vehicle according to claim 1, wherein the driving mechanism of the basket comprises a guide cylinder fixed at the end part of the third inner cylinder and a guide post fixed on the basket, and the guide post is matched with the guide cylinder in an up-and-down guiding manner; the driving mechanism of the hanging basket also comprises a motor arranged on the guide cylinder, a chain wheel or a gear arranged at the output end of the motor, and a chain or a rack fixed on the hanging basket and meshed with the chain wheel or the gear.
5. A construction method of a secondary lining reinforcement cage of a tunnel, which is characterized by using the reinforcement cage assembly vehicle as claimed in any one of claims 1 to 4, and comprising the following steps:
firstly, prefabricating an arc-shaped reinforcement cage section outside a tunnel;
secondly, conveying a plurality of reinforcement cage sections into a tunnel by using a reinforcement cage transport vehicle, and leaving the reinforcement cage transport vehicle after unloading the reinforcement cage sections;
thirdly, grabbing the reinforcement cage segments by utilizing the claws of the grabbing device on the reinforcement cage assembling vehicle, controlling the grabbing device to move to enable the reinforcement cage segments to be close to the inner wall of the tunnel, positioning the reinforcement cage segments, grabbing other reinforcement cage segments in sequence to enable a plurality of reinforcement cage segments to be spliced into a reinforcement cage ring along the inner wall of the tunnel, positioning the reinforcement cage segments at the bottom of the tunnel directly by operators in the process, moving a basket bearing operator on the reinforcement cage assembling vehicle to a proper height, positioning other reinforcement cage segments, and assembling the reinforcement cage.
6. The construction method of the second lining reinforcement cage of the tunnel according to claim 5, wherein the reinforcement cage transport vehicle directly reaches the position of the reinforcement cage storage vehicle after entering the tunnel, and a crane on the reinforcement cage storage vehicle is used for lifting the reinforcement cage segments on the reinforcement cage transport vehicle to the reinforcement cage storage vehicle, so that unloading and storage of the reinforcement cage segments are realized.
7. The construction method of the second lining reinforcement cage of the tunnel according to claim 6, wherein a plurality of cranes are arranged on the reinforcement cage storage vehicle, and the reinforcement cage segments stored on the reinforcement cage storage vehicle are transported to the position of the reinforcement cage assembling vehicle by using other cranes while unloading the reinforcement cage segments, so that the assembly and the unloading are realized.
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| CN202110785970 | 2021-07-12 | ||
| CN2021107859707 | 2021-07-12 |
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|---|---|---|---|---|
| JP2000265666A (en) * | 1999-03-19 | 2000-09-26 | Kajima Corp | Cage assembling method for reinforced concrete column |
| CN207348868U (en) * | 2017-09-28 | 2018-05-11 | 中铁五局集团有限公司 | A kind of new Multifunctional performing machine for constructing tunnel |
| KR102004117B1 (en) * | 2019-01-08 | 2019-07-25 | 최정화 | steel reinforcement cage welding apparatus |
| CN210754881U (en) * | 2019-07-04 | 2020-06-16 | 绍兴酷印智能科技有限公司 | Gantry type reinforcing mesh welding robot |
| CN111425224A (en) * | 2020-05-09 | 2020-07-17 | 黄河勘测规划设计研究院有限公司 | Tunnel lining process and device |
-
2021
- 2021-08-24 CN CN202110976639.3A patent/CN113669104B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000265666A (en) * | 1999-03-19 | 2000-09-26 | Kajima Corp | Cage assembling method for reinforced concrete column |
| CN207348868U (en) * | 2017-09-28 | 2018-05-11 | 中铁五局集团有限公司 | A kind of new Multifunctional performing machine for constructing tunnel |
| KR102004117B1 (en) * | 2019-01-08 | 2019-07-25 | 최정화 | steel reinforcement cage welding apparatus |
| CN210754881U (en) * | 2019-07-04 | 2020-06-16 | 绍兴酷印智能科技有限公司 | Gantry type reinforcing mesh welding robot |
| CN111425224A (en) * | 2020-05-09 | 2020-07-17 | 黄河勘测规划设计研究院有限公司 | Tunnel lining process and device |
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