CN218624260U - Two lining reinforcing bar location platform trucks in tunnel - Google Patents

Two lining reinforcing bar location platform trucks in tunnel Download PDF

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Publication number
CN218624260U
CN218624260U CN202223192094.6U CN202223192094U CN218624260U CN 218624260 U CN218624260 U CN 218624260U CN 202223192094 U CN202223192094 U CN 202223192094U CN 218624260 U CN218624260 U CN 218624260U
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China
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jacking
tunnel
reinforcing bar
adduction
body frame
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CN202223192094.6U
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徐洪刚
张家放
蒋学军
蔡洪强
王浪
刘万春
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China Railway No 5 Engineering Group Co Ltd
Guizhou Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
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China Railway No 5 Engineering Group Co Ltd
Guizhou Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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Abstract

The utility model discloses a two lining reinforcing bar location platform trucks in tunnel belongs to tunnel reinforcing bar construction technical field. The trolley comprises a main body frame, wherein a plurality of inclined jacking mechanisms and a plurality of inner collecting mechanisms are symmetrically arranged on the main body frame, the inner collecting mechanisms are located below the inclined jacking mechanisms, and vertical jacking mechanisms are arranged at the top of the main body frame. After on placing oblique jacking mechanism and vertical climbing mechanism with the hoop reinforcing bar, through oblique jacking mechanism and the ascending jacking hoop reinforcing bar of vertical climbing mechanism to adjust the distance between hoop reinforcing bar and the tunnel excavation face, then make the both ends of hoop reinforcing bar to the inboard shrink certain distance of platform truck through adduction mechanism, with the circularity that improves the hoop reinforcing bar, help improving the hoop reinforcing bar and bury the uniformity of the degree of depth underground in secondary lining concrete, ensure secondary lining's stability.

Description

Two lining reinforcing bar location platform trucks in tunnel
Technical Field
The utility model relates to a two lining reinforcing bar location platform trucks in tunnel belongs to tunnel reinforcing bar construction technical field.
Background
After the tunnel excavation is finished, firstly, primary lining supporting and building reinforcement is carried out on the excavated tunnel arch-shaped section to prevent tunnel surrounding rock from settling. The tunnel constructed by the surrounding rock with good geological conditions according to the new Austrian's law principle has basically stable structure after primary support, but the primary support in a bad special geological section hardly ensures the long-term stability of the surrounding rock structure, and secondary lining molding concrete is needed to reinforce the surrounding rock so as to prevent the deformation and secondary settlement of the tunnel. However, the requirement of concrete firmness cannot be met by only injecting concrete into the secondary lining, and therefore, reinforcing steel bars arranged in a net shape need to be bound on the inner wall of the tunnel before injecting concrete, and the reinforcing steel bars are divided into tunnel longitudinal reinforcing steel bars arranged longitudinally along the tunnel and annular reinforcing steel bars arranged transversely along the inner side wall of the tunnel. At present, the binding construction of the secondary lining steel bars of the tunnel is mainly carried out in a mode of combining manpower and a trolley.
For example, chinese patent document No. CN107100651a discloses a tunnel lining seamless connection steel bar positioning and waterproof board laying trolley, which comprises a main body frame, a walking laying mechanism, a seamless connection steel bar positioning ejection module and an extension platform, wherein the main body frame is provided with the walking laying mechanism, the walking laying mechanism comprises two annular slideways, two walking trolleys, a steel bar insertion pipe and a waterproof board hanging groove, the two annular slideways are respectively arranged at the front end and the rear end of the main body frame, the two walking trolleys are connected into a whole through a supporting beam, the upper part of the main body frame is provided with the seamless connection steel bar positioning ejection module, and the two sides of the main body frame are provided with the extension platform. The reinforcing bar is once laid in large quantity, prevents the reinforcing bar dislocation, and the reinforcing bar is laid effectually, and the practicality is high, can effectively reduce working strength, promotes work efficiency.
Three vertical seamless connection steel bar positioning ejection modules are arranged on the upper part of a main body frame in the trolley, two seamless connection steel bar positioning ejection modules are arranged on the upper parts of two sides of the main body frame, and annular steel bars are upwards ejected and positioned through the seamless connection steel bar positioning ejection modules. The both ends of hoop reinforcing bar are not closed connection together under the general condition, and its both ends are under natural state to the orientation expansion of keeping away from each other, lead to the platform truck through the jacking of a plurality of seamless connection reinforcing bar location ejecting module and location hoop reinforcing bar after, the circularity of hoop reinforcing bar is out of round, further leads to the hoop reinforcing bar to bury the degree of depth underground in secondary lining concrete and differs, can bring adverse effect for secondary lining's stability.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a two lining reinforcing bar location platform trucks in tunnel.
The utility model discloses a following technical scheme can realize:
the utility model provides a two lining bar location platform trucks in tunnel, includes main body frame, the last symmetry of main body frame is equipped with a plurality of climbing mechanism and a plurality of adduction mechanisms to one side, and adduction mechanism is located climbing mechanism's below to one side, main body frame's top is equipped with vertical climbing mechanism.
The shape and the structure of the vertical jacking mechanism are the same as those of the inclined jacking mechanism, the inclined jacking mechanism comprises a jacking limiting assembly, and two ends of the jacking limiting assembly are rotatably connected with jacking oil cylinders.
One end of the jacking oil cylinder is connected with the main body frame through an oil cylinder support A.
The jacking oil cylinders are arranged obliquely upwards, and the included angle between the central axis of each jacking oil cylinder and the vertical plane is 45-80 degrees.
When the trolley is positioned in the tunnel, the central axis of the jacking oil cylinder penetrates through the center of the tunnel.
The spacing subassembly of jacking is including indulging tub A, and the both ends of indulging tub A all are equipped with otic placode A, and indulge and be equipped with trompil hole A on the otic placode A of tub A one end, are equipped with round hole A on the otic placode A of the other end, indulge tub A and go up movable sleeve and be equipped with a plurality of lantern rings, and indulge tub A and all be equipped with the cardboard in the both sides of each lantern ring.
The adduction mechanism comprises an adduction assembly, and two ends of the adduction assembly are rotatably connected with adduction oil cylinders.
One end of the adduction oil cylinder is connected with the main body frame through an oil cylinder support B, and the central axis of the adduction oil cylinder is vertical to the vertical plane.
Adduction subassembly is including indulging tub B, and the both ends of indulging tub B all are equipped with otic placode B, and indulge and be equipped with slot hole B on the otic placode B of tub B one end, are equipped with round hole B on the otic placode B of the other end, indulge and be equipped with a plurality of couples on the tub B, and the movable sleeve is equipped with the sleeve pipe on the couple.
The main body frame is provided with a plurality of working platforms, the upper and lower adjacent working platforms are connected through stairs, and the working platforms are provided with ascending frames.
The beneficial effects of the utility model reside in that: after on placing oblique jacking mechanism and vertical climbing mechanism with the hoop reinforcing bar, through oblique jacking mechanism and the ascending jacking hoop reinforcing bar of vertical climbing mechanism to adjust the distance between hoop reinforcing bar and the tunnel excavation face, then make the both ends of hoop reinforcing bar to the inboard shrink certain distance of platform truck through adduction mechanism, with the circularity that improves the hoop reinforcing bar, help improving the hoop reinforcing bar and bury the uniformity of the degree of depth underground in secondary lining concrete, ensure secondary lining's stability.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic structural view of the present invention when positioning the circumferential reinforcing steel bars in the tunnel;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic view of a partial structure of the present invention;
fig. 6 is a schematic structural view of the inclined jacking mechanism of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at I;
fig. 8 is a schematic structural view of one end of the inclined jacking mechanism of the present invention;
fig. 9 is a schematic structural view of the other end of the oblique jacking mechanism of the present invention;
fig. 10 is a schematic structural view of the adduction mechanism of the present invention;
FIG. 11 is an enlarged view of a portion of FIG. 10 at B;
FIG. 12 is an enlarged view of a portion of FIG. 10 at C;
fig. 13 is a schematic structural view of the oil cylinder support a of the present invention;
fig. 14 is a schematic structural diagram of the cylinder support B of the present invention.
In the figure: 1-main body frame, 2-vertical jacking mechanism, 3-inclined jacking mechanism, 30-jacking oil cylinder, 31-jacking limiting component, 310-longitudinal pipe A, 311-lantern ring, 312-clamping plate, 313-ear plate A, 314-elongated hole A, 315-round hole A, 4-adduction mechanism, 40-adduction oil cylinder, 41-adduction component, 410-longitudinal pipe B, 412-ear plate B, 413-elongated hole B, 414-hook, 415-sleeve, 416-round hole B, 5-working platform, 50-climbing frame, 6-stair, 7-oil cylinder support A, 8-oil cylinder support B, 9-annular reinforcing steel bar, 10-tunnel low side wall and 11-tunnel excavation surface.
Detailed Description
The technical solutions of the present invention are further described below, but the scope of protection claimed is not limited to the described ones.
As shown in fig. 1 to 14, a two lining reinforcing bar location platform trucks in tunnel, including main body frame 1, a plurality of climbing mechanism 3 and a plurality of adduction mechanism 4 to one side are installed to the symmetry on main body frame 1, and adduction mechanism 4 is located climbing mechanism 3's below to one side, vertical climbing mechanism 2 is installed at main body frame 1's top. When the tunnel is used, two inclined jacking mechanisms 3 are symmetrically installed at the top of the main body frame 1, the inclined jacking mechanisms 3 are located at the arch waist part of the tunnel, the vertical jacking mechanisms 2 are located between the two inclined jacking mechanisms 3, and two adduction mechanisms 4 are symmetrically installed at the lower part of the main body frame 1. Place hoop reinforcing bar 9 oblique jacking mechanism 3 and vertical climbing mechanism 2 back on, through oblique jacking mechanism 3 and the ascending jacking hoop reinforcing bar 9 of vertical climbing mechanism 2, and adjust the distance between hoop reinforcing bar 9 and the tunnel excavation face 11, then make the both ends of hoop reinforcing bar 9 to the inboard shrink certain distance of platform truck through adduction mechanism 4, with the circularity that improves hoop reinforcing bar 9, help improving the hoop reinforcing bar 9 and bury the uniformity of the degree of depth underground in the secondary lining concrete, ensure secondary lining's stability.
The shape and the structure of the vertical jacking mechanism 2 are the same as those of the inclined jacking mechanism 3, the inclined jacking mechanism 3 comprises a jacking limiting component 31, and two ends of the jacking limiting component 31 are rotatably connected with jacking oil cylinders 30.
And one end of the jacking oil cylinder 30, which is far away from the jacking limiting assembly 31, is connected with the main body frame 1 through an oil cylinder support A7.
The jacking oil cylinder 30 is obliquely and upwards arranged, and the included angle between the central axis of the jacking oil cylinder 30 and the vertical plane is 45-80 degrees. When the lifting device is used, the included angle between the central axis of the lifting cylinder 30 and the vertical plane is 65 degrees.
When the trolley is positioned in the tunnel, the central axis of the jacking oil cylinder 30 penetrates through the center of the tunnel. As shown in fig. 1, the central axis of the jacking cylinder 30 in the vertical jacking mechanism 2 also passes through the center of the tunnel, so that each jacking cylinder 30 can radially extend out of the tunnel to ensure the roundness of the circumferential steel bar 9.
Jacking limit assembly 31 includes indulges a310, and the both ends of indulging a310 all weld otic placode A313, and indulge and process on the otic placode A313 of a310 one end and have an elongated hole A314, and the processing has round hole A315 on the otic placode A313 of the other end, indulges and is equipped with a plurality of lantern rings 311 on a310 movable sleeve, and indulges and all install cardboard 312 in the both sides of each lantern ring 311 on a 310. When the jacking limiting component 31 is used, the elongated hole A314 and the round hole A315 are respectively connected with the double lug plates on the jacking oil cylinder 30 in a rotating mode through the pin shaft, the elongated hole A314 is machined in one lug plate A313, and the situation that the jacking oil cylinder 30 or the jacking limiting component 31 is damaged by pulling when the jacking oil cylinders 30 at the two ends of the jacking limiting component 31 do not synchronously act is avoided. Go on spacingly to a certain hoop reinforcing bar 9 in the vertical in tunnel through two cardboard 312, indulge pipe A310 go up the activity suit lantern ring 311 between two cardboard 312, be in order to reduce the friction between hoop reinforcing bar 9 and the vertical pipe A310 through lantern ring 311.
The inside retracting mechanism 4 includes an inside retracting assembly 41, and both ends of the inside retracting assembly 41 are rotatably connected to inside retracting cylinders 40.
One end of the adduction cylinder 40 is connected with the main body frame 1 through a cylinder support B8, and the central axis of the adduction cylinder 40 is vertical to the vertical plane. The central axis of the adduction cylinder 40 is vertical to the central vertical surface of the tunnel and is positioned 1 m above the short side wall 10 of the tunnel.
The adduction assembly 41 comprises a longitudinal pipe B410, ear plates B412 are welded at two ends of the longitudinal pipe B410, an elongated hole B413 is machined in the ear plate B412 at one end of the longitudinal pipe B410, a round hole B416 is machined in the ear plate B412 at the other end of the longitudinal pipe B410, a plurality of hooks 414 are machined in the longitudinal pipe B410, and sleeves 415 are movably sleeved on the hooks 414. When the telescopic device is used, the elongated hole B413 and the round hole B416 are respectively connected with double lug plates on the adduction oil cylinder 40 in a rotating mode through a pin shaft, the elongated hole B413 is machined in one lug plate B412, and the situation that the adduction oil cylinder 40 or the adduction assembly 41 is damaged by being pulled when the adduction oil cylinders 40 at the two ends of the adduction assembly 41 do not synchronously act is avoided. The end of the circumferential reinforcement 9 is pulled by the hook 414 and the friction between the circumferential reinforcement 9 and the hook 414 is reduced by the sleeve 415.
Install a plurality of work platform 5 on the main body frame 1, connect through stair 6 between the upper and lower adjacent work platform 5, and install ascending frame 50 on the work platform 5. When using, stair 6 have the handrail, install stair 6 between the upper and lower adjacent work platform 5, make things convenient for constructor to pass from top to bottom, constructor can stand and fix hoop reinforcing bar 9 and longitudinal reinforcement on ascending a height frame 50.
Two lining reinforcing bar location platform trucks in tunnel, its theory of operation or use as follows:
and (3) conveying the lengthened annular reinforcing steel bars 9 (about 20-25 m in length) upwards from the outer side of the inward-contracting mechanism 4 at the short side wall 10 of the tunnel, wherein one ends of the annular reinforcing steel bars 9 sequentially penetrate through a clamping groove between two clamping plates 312 on the right-side longitudinal pipe A310, a clamping groove between two clamping plates 312 on the vertical jacking mechanism 2 and a clamping groove between two clamping plates 312 on the left-side longitudinal pipe A310 until the annular reinforcing steel bars 9 are basically symmetrical relative to the central vertical surface of the tunnel, and so on, and the annular reinforcing steel bars 9 are fully distributed in all the clamping grooves on the longitudinal pipe A310. Then, two ends of the ring-shaped reinforcing steel bars 9 are respectively placed in the hooks 414 in the inward-closing mechanism 4, the jacking oil cylinders 30 in the vertical jacking mechanism 2 and the inclined jacking mechanism 3 act to jack the transverse reinforcing steel bars 9 upwards until the distance between the transverse reinforcing steel bars 9 and the tunnel excavation surface 11 is reduced to a required value, then the inward-closing oil cylinders 40 act to pull two ends of the transverse reinforcing steel bars 9 towards the inner side of the trolley so as to improve the roundness of the transverse reinforcing steel bars 9 and enable all the transverse reinforcing steel bars 9 to be installed in place.
And then binding and fixing all transverse reinforcing steel bars 9 on the tunnel excavation surface 11 manually, and starting to install longitudinal reinforcing steel bars after the annular reinforcing steel bars 9 are installed. After completing the construction of one section of the transverse bars 9 and the longitudinal bars, the trolley is moved to the next section of the tunnel, and the transverse bars 9 and the longitudinal bars are continuously installed according to the above method.

Claims (10)

1. The utility model provides a two lining reinforcing bar location platform trucks in tunnel which characterized in that: including main body frame (1), main body frame (1) is gone up the symmetry and is equipped with a plurality of climbing mechanism (3) and a plurality of adduction mechanisms (4) to one side, and adduction mechanism (4) are located the below of climbing mechanism (3) to one side, the top of main body frame (1) is equipped with vertical climbing mechanism (2).
2. The tunnel secondary lining steel bar positioning trolley according to claim 1, wherein: the shape and the structure of the vertical jacking mechanism (2) are the same as those of the inclined jacking mechanism (3); the inclined jacking mechanism (3) comprises a jacking limiting component (31), and two ends of the jacking limiting component (31) are rotatably connected with jacking oil cylinders (30).
3. The tunnel secondary lining steel bar positioning trolley according to claim 2, wherein: one end of the jacking oil cylinder (30) is connected with the main body frame (1) through an oil cylinder support A (7).
4. The tunnel secondary lining steel bar positioning trolley according to claim 2, wherein: the jacking oil cylinder (30) is obliquely and upwards arranged, and the included angle between the central axis of the jacking oil cylinder (30) and the vertical plane is 45-80 degrees.
5. The tunnel secondary lining steel bar positioning trolley according to claim 4, wherein: when the trolley is positioned in the tunnel, the central axis of the jacking oil cylinder (30) penetrates through the center of the tunnel.
6. The tunnel secondary lining steel bar positioning trolley according to claim 2, wherein: jacking limit component (31) is including indulging tub A (310), indulges the both ends of tub A (310) and all is equipped with otic placode A (313), and indulges to be equipped with trompil hole A (314) on otic placode A (313) of tub A (310) one end, is equipped with round hole A (315) on the otic placode A (313) of the other end, indulges tub A (310) and goes up the movable sleeve and be equipped with a plurality of lantern rings (311), and indulge tub A (310) and go up all to be equipped with cardboard (312) in the both sides of each lantern ring (311).
7. The tunnel secondary lining steel bar positioning trolley according to claim 1, wherein: the adduction mechanism (4) comprises an adduction assembly (41), and both ends of the adduction assembly (41) are rotatably connected with adduction oil cylinders (40).
8. The tunnel secondary lining steel bar positioning trolley according to claim 7, wherein: one end of the adduction oil cylinder (40) is connected with the main body frame (1) through an oil cylinder support B (8), and the central axis of the adduction oil cylinder (40) is vertical to the vertical plane.
9. The tunnel secondary lining steel bar positioning trolley according to claim 7, wherein: the adduction subassembly (41) is including indulging pipe B (410), indulges the both ends of managing B (410) and all is equipped with otic placode B (412), and indulges and be equipped with trompil hole B (413) on the otic placode B (412) of managing B (410) one end, is equipped with round hole B (416) on the otic placode B (412) of the other end, indulges and is equipped with a plurality of couples (414) on managing B (410), and the movable sleeve is equipped with sleeve pipe (415) on couple (414).
10. The tunnel secondary lining steel bar positioning trolley according to claim 1, wherein: be equipped with a plurality of work platform (5) on main body frame (1), connect through stair (6) between upper and lower adjacent work platform (5), and be equipped with ascending a height on work platform (5) and put up (50).
CN202223192094.6U 2022-11-29 2022-11-29 Two lining reinforcing bar location platform trucks in tunnel Active CN218624260U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223192094.6U CN218624260U (en) 2022-11-29 2022-11-29 Two lining reinforcing bar location platform trucks in tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223192094.6U CN218624260U (en) 2022-11-29 2022-11-29 Two lining reinforcing bar location platform trucks in tunnel

Publications (1)

Publication Number Publication Date
CN218624260U true CN218624260U (en) 2023-03-14

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CN202223192094.6U Active CN218624260U (en) 2022-11-29 2022-11-29 Two lining reinforcing bar location platform trucks in tunnel

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