CN110748361A - Sectional arch center mounting method and sectional arch center mounting trolley - Google Patents
Sectional arch center mounting method and sectional arch center mounting trolley Download PDFInfo
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- CN110748361A CN110748361A CN201911170102.7A CN201911170102A CN110748361A CN 110748361 A CN110748361 A CN 110748361A CN 201911170102 A CN201911170102 A CN 201911170102A CN 110748361 A CN110748361 A CN 110748361A
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- arch
- trolley
- slide rail
- telescopic arm
- support
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a sectional arch center mounting trolley, which comprises a trolley body; the bearing device is arranged at the tail of the trolley body and comprises a bearing frame, and the bearing frame is used for bearing the sectional arch centering; the transferring and jacking device comprises a first slide rail arranged below the bearing bracket and a lifting support rod sliding along the first slide rail along the direction from the head to the tail of the trolley body, and is used for transferring the upper-section arch centering on the bearing frame to an installation area at the head and jacking the upper-section arch centering to an installation height; the transfer butt joint device comprises a second slide rail arranged on one side of the trolley body and parallel to the first slide rail and a butt joint mechanical arm translating on the second slide rail, wherein the butt joint mechanical arm is used for taking down the lower arch from the bearing frame and butt joint with the upper arch. The invention solves the problem that the existing arch installing machine has a complex structure.
Description
Technical Field
The invention relates to the field of tunnel construction, in particular to a sectional type arch center installation method and a sectional type arch center installation trolley.
Background
In tunnel construction in China at present, when surrounding rocks are weak and broken seriously, a steel arch needs to be installed in time to serve as primary support so as to control the deformation of the surrounding rocks and prevent collapse. The steel arch frame generally adopts two structures of a section steel arch frame and a grid steel frame, and forms combined support with a tie bar, a net piece, a foot locking anchor rod and sprayed concrete.
The steel arch is mainly installed in a manual installation mode, namely, the arch is installed in place by means of a simple bench or a loader and manpower. The installation mode has the advantages of more constructors, high labor intensity, low operation efficiency, low installation quality and high construction risk. At present, the equipment such as a three-arm arch mounting machine and the like developed and developed in China is used for meeting the mounting work of the steel arch of the mountain tunnel. However, these prior arch mounting machines are complicated.
Disclosure of Invention
In view of the above, it is necessary to provide a sectional arch installing method and a sectional arch installing trolley for solving the problem that the existing arch installing machine is complicated in structure.
The invention provides a sectional arch center mounting trolley, which comprises an upper section arch center and a lower section arch center connected with two ends of the upper section arch center, wherein the sectional arch center mounting trolley comprises:
a trolley body;
the bearing device is arranged at the tail of the trolley body and comprises a bearing frame, and the bearing frame is used for bearing the sectional arch centering;
the transferring and jacking device comprises a first slide rail arranged below the bearing bracket and a lifting support rod sliding along the first slide rail along the direction from the head to the tail of the trolley body, and is used for transferring the upper-section arch centering on the bearing bracket to an installation area at the head and jacking the upper-section arch centering to an installation height;
the transfer and butt joint device comprises a second slide rail arranged on one side of the trolley body and parallel to the first slide rail, and a butt joint mechanical arm translating on the second slide rail, wherein the butt joint mechanical arm is used for taking down the lower arch from the bearing frame and butt joint the upper arch.
Preferably, the sectional type arch center mounting trolley further comprises first protective mesh enclosures, and the first protective mesh enclosures are respectively arranged on two sides of an imaginary plane formed by the lifting support rod and the first slide rail and are close to the trolley head.
Preferably, first slide rail is the I-steel, transport jacking device still including setting up the first gyro wheel of the slot part of I-beam both sides, connection the first support of first gyro wheel, the lift vaulting pole includes that the lower extreme sets up the first hydro-cylinder on first support and sets up the supporting seat on first hydro-cylinder top, be provided with the recess with the bow member adaptation on the supporting seat.
Preferably, the second slide rail is an i-beam, and the transferring and jacking device further comprises second rollers arranged in groove parts on two sides of the i-beam and a second support connected with the second rollers;
the docking robot arm includes:
the first telescopic arms are arranged on the second support, and the telescopic directions of the first telescopic arms face to two sides of the trolley body;
the first clamping jaw is arranged at one end, far away from the second support, of the first telescopic arm;
the second telescopic arm is positioned above the first telescopic arm, and one end of the second telescopic arm is hinged with the second support;
the second clamping jaw is arranged at one end, far away from the second support, of the second telescopic arm;
and one end of the third telescopic arm is hinged with the second support, and the other end of the third telescopic arm is hinged with the second telescopic arm and is used for driving the second telescopic arm to lift.
Preferably, the sectional type arch center installation trolley further comprises working platforms arranged on two sides of the trolley body, and a second protective mesh enclosure is arranged on the upper portion of each working platform.
Preferably, the first protective mesh enclosure and the second protective mesh enclosure are provided with working windows, the size of each working window is larger than the size of each mesh of the first protective mesh enclosure and the second protective mesh enclosure, and the lower ends of the first protective mesh enclosure and the second protective mesh enclosure are provided with translation mechanisms, wherein the translation directions of the translation mechanisms are parallel to the first slide rails.
Preferably, the sectional arch center mounting trolley further comprises a protective screen plate and a turnover mechanism, the protective screen plate and the turnover mechanism are arranged at the trolley head, the lower portion of the protective screen plate is hinged to the trolley body, one end of the turnover mechanism is hinged to the mounting trolley, the other end of the turnover mechanism is hinged to the upper portion of the protective screen plate, and the turnover mechanism is used for driving the protective screen plate to turn over for a certain angle to be close to the face.
Preferably, an opening is further formed in the middle of the protection screen plate, and a screen door is arranged at the opening.
The invention also provides a sectional arch installing method, which applies the sectional arch installing trolley and comprises the following steps:
placing the upper arch and the lower arch on the receiving frame;
transferring the upper arch to an installation area and jacking to an installation height;
transferring the lower arch to the installation area and interfacing with the upper arch;
and fixing the butted upper arch centering and lower arch centering with the inner wall of the tunnel.
The invention provides a sectional arch centering installation trolley which comprises a trolley body, a supporting device, a transferring jacking device and a transferring butt joint device. The sectional type bow member can accomplish butt joint and fixed through transporting interfacing apparatus and transporting the cooperation of jacking device, and its structure is simpler than current three-armed formula bow member mounting plate, and its installation effectiveness is higher.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a segmental arch erection trolley according to the invention;
FIG. 2 is a schematic structural view of the arch mount trolley of the embodiment of FIG. 1 from another perspective;
FIG. 3 is a flow chart of an embodiment of a sectional arch installation method of the present invention.
Detailed Description
Example 1:
the invention provides a sectional arch center mounting trolley, which comprises an upper arch center 1 and a lower arch center 2 connected with two ends of the upper arch center 1, wherein the sectional arch center comprises a trolley body 10, a transferring and butting device 20, a transferring and jacking device 30 and a supporting device 50, and the trolley body is provided with a supporting device 50; wherein the truck body 10 is driven by a crawler belt 11 or a wheel.
The transferring and jacking device 30 comprises a first slide rail 31 arranged on the top of the trolley body 10 and a lifting support rod 32 capable of sliding along the first slide rail 31 along the direction from the head to the tail of the trolley body 10. The first slide rail 31 is preferably an i-beam, and the groove portions on both sides of the i-beam are provided with first rollers, and the first rollers on both sides are connected by a first bracket 33, so that the first bracket 33 can translate in the first slide rail 31. Lifting stay 32 includes that the lower extreme sets up the first hydro-cylinder at first support 33 top and sets up the supporting seat 34 on first hydro-cylinder top, be provided with on the supporting seat 34 with the recess of bow member adaptation, this recess is used for bearing upper segment bow member 1, first support 33 is promoted to upper segment bow member 1 below by artifical promotion or motor, lifting stay 32 on it goes up to go out and dock until breaking away from supporting device 50 with upper segment bow member 1 on it this moment, and transport to locomotive department and transport to the translation and transport to the installation region, lifting stay 32 continues the jacking and makes upper segment bow member 1 and tunnel top press close to, so that subsequent fixed mounting.
In this embodiment, the supporting device 50 includes a receiving frame 51 disposed above the first slide rail 31, and a lifting mechanism 52 connecting the receiving frame 51 and the trolley body 10, wherein the receiving frame 51 is used for receiving the arch. The elevating mechanism 52 is preferably an oil cylinder which is vertically disposed, and has a lower end connected to the cart body 10 and an upper end connected to the receiving frame 51. The upper arch 1 and the lower arch 2 are sequentially arranged and placed on the receiving frame 51 by a forklift, and the receiving frame 51 can be used for receiving a plurality of sets of sectional type arches in the embodiment so as to continuously operate and improve the working efficiency.
In this embodiment, the transfer docking device 20 includes a second slide rail 21 disposed on one side of the trolley body 10 and parallel to the first slide rail 31, and a docking robot 22 translating on the second slide rail 21, where the docking robot 22 is configured to remove the lower arch 2 from the receiving frame 51 and dock with the upper arch 1.
The second slide rail 21 is an i-beam, and the transferring and docking device 20 further includes a second roller disposed in the groove portion of the two sides of the i-beam, and a second bracket 23 connected to the second roller. The butt-joint mechanical arm 22 comprises a first telescopic arm 22a, a first clamping jaw 22b, a second telescopic arm 22c, a second clamping jaw 22d and a third telescopic arm 22 e; wherein the first telescopic arm 22a is arranged on the second bracket 23 and the telescopic direction faces to two sides of the trolley body; the first clamping jaw 22b is arranged at one end of the first telescopic arm 22a far away from the second bracket 23; the second telescopic arm 22c is positioned above the first telescopic arm 22a, and one end of the second telescopic arm is hinged with the second bracket 23; the second clamping jaw 22d is arranged at one end of the second telescopic arm 22c far away from the second bracket 23; one end of the third telescopic arm 22e is hinged to the second support 23, and the other end is hinged to the second telescopic arm 22c, so as to drive the second telescopic arm 22c to lift. The first telescopic arm 22a, the second telescopic arm 22c and the third telescopic arm 22e are telescopic in the same plane.
During transfer and butt joint, the third telescopic arm 22e drives the second telescopic arm 22c to lift, the second clamping jaw 22d is used for grabbing the lower part of the lower arch frame 2 on the receiving frame, the second telescopic arm 22c extends out to separate the lower arch frame 2 from the receiving frame, the third telescopic arm 22e retracts to enable the second telescopic arm 22c and the lower arch frame 2 to move downwards to a certain height, the first telescopic arm 22a extends out and grabs the lower arch frame 2 by the first clamping jaw 22b, the second clamping jaw 22d separates from the lower arch frame 2, the third telescopic arm 22e extends out to drive the second telescopic arm 22c to lift and grab the upper part of the lower arch frame 2 by the second clamping jaw 22d, and fine adjustment is carried out to enable the position of the lower arch frame 2 to be in butt joint with the upper arch frame 1 along the projection direction from the head to the tail of the vehicle. Finally, the butt-joint mechanical arm 22 translates to the installation area along the second slide rail 21, so that the lower arch 2 and the upper arch 1 are in butt joint, and a constructor can fixedly connect the two.
The invention has set up the segmental arch centering installation loop wheel machine including loop wheel machine body 10, transporting the interfacing apparatus 20, transporting the jacking apparatus 30 and supporting device 50, bear the upper segment arch centering 1 and lower segment arch centering 2 by the supporting device 50 first, can finish docking and fixing through transporting the interfacing apparatus 20 and cooperating with transporting the jacking apparatus 30, its structure is simpler than the existing three-armed type arch centering assembling machine, its installation effectiveness is higher.
Example 2:
in the present embodiment, referring to fig. 1 and 2, the first protective mesh 40 is disposed on two sides of the translation plane of the lifting brace 32 and close to the vehicle head. In this embodiment, the virtual plane formed by the lifting brace 32 during translation is a translation plane, when the upper arch 1 is translated and transported, the first protective mesh 40 is located below the upper arch 1, the lifting brace 32 moves between the two first protective mesh 40, and after the upper arch 1 reaches the designated height of the installation area, the constructor can perform the next installation and fixation work on the upper arch 1 under the protection of the first protective mesh 40, so that the upper arch 1 is connected and fixed with the inner wall of the tunnel. Further, a working window is arranged on the first protective mesh enclosure 40, the size of the working window is larger than the mesh size of the mesh enclosure, and a translation mechanism, the translation direction of which is parallel to the first slide rail 31, is arranged at the lower end of the first protective mesh enclosure 40 and is used for driving the first protective mesh enclosure 40 to enable the working window to correspond to the upper arch 1.
Further, the sectional arch center installation trolley further comprises working platforms arranged on two sides of the trolley body 10, and a second protective mesh cover 62 is arranged on the upper portion of each working platform. In this embodiment, the working platform includes a first table 61 and a second table 63 disposed below the first table 61, and the first table 61 and the second table 63 are disposed to prevent workers from fixedly connecting different heights of the arch with the inner wall of the tunnel. Further, the second protective mesh cover 62 is disposed above the first table 61 to protect workers thereon, and the second table 63 is shielded by the first table 61, so that the workers can also perform safe construction. When the lower arch 2 is adjusted in position, the transfer and docking device moves between the first table 61 and the second table 63 and does not interfere with the first table 61 and the second table 63.
In this embodiment, the sectional arch center mounting trolley further comprises a protection screen 71 and a turnover mechanism 72 which are arranged at the head of the trolley, wherein the lower part of the protection screen 71 is hinged to the trolley body 10, one end of the turnover mechanism 72 is hinged to the mounting trolley, and the other end of the turnover mechanism 72 is hinged to the upper part of the protection screen 71 and is used for driving the protection screen 71 to turn over a certain angle to be close to the tunnel face, so that collapse inside the tunnel is avoided and constructors on the trolley are endangered. The turnover mechanism 72 is preferably an oil cylinder with the other end hinged with the trolley body 10 and the other end hinged with the protection screen 71. An opening is further formed in the middle of the protective screen plate 71, a screen door is arranged at the opening, and the opening and closing of the screen door can facilitate the passing of vehicles and personnel.
Example 3:
referring to fig. 1 to 3, the present invention further provides a sectional arch installing method, in which the sectional arch installing trolley is applied, including the following steps:
s10, placing the upper arch 1 and the lower arch 2 on the receiving frame; the step mainly aims at the installation of three-section type arch centering, and an upper section arch centering 1 and two lower sections arch centering 2 are sequentially arranged as a group and are placed on a bearing frame 51 by a forklift.
S20, transferring the upper-section arch centering 1 to an installation area and jacking the upper-section arch centering to an installation height; in this step, the first support 33 is driven (either manually or by a motor) to be under the upper arch 1, and the lifting brace 32 is raised upward and brought into abutment with the upper arch 1 until the upper arch 1 is lifted off the support bracket 51. The lifting stay bar 32 moves to the locomotive along the first slide rail 31 to transfer the upper arch 1 to the installation area, and the lifting stay bar 32 continues to lift to enable the upper arch 1 to be close to the top of the tunnel, so that the subsequent fixed installation is facilitated.
S30, transferring the lower arch 2 to the installation area and butting the lower arch with the upper arch 1; in this step, the third telescopic arm 22e drives the second telescopic arm 22c to lift up, the second clamping jaw 22d is used for grabbing the lower part of the lower arch frame 2 on the receiving frame, the second telescopic arm 22c extends out to separate the lower arch frame 2 from the receiving frame, the third telescopic arm 22e retracts to enable the second telescopic arm 22c and the lower arch frame 2 to move downwards to a certain height, the first telescopic arm 22a extends out and grabs the lower arch frame 2 by the first clamping jaw 22b, the second clamping jaw 22d separates from the lower arch frame 2, the third telescopic arm 22e extends out to drive the second telescopic arm 22c to lift up and grabs the upper part of the lower arch frame 2 by the second clamping jaw 22d, then fine adjustment is carried out to enable the pose of the lower arch frame 2 to be in butt joint with the upper arch frame 1 along the projection direction from the head to the tail, finally the butt joint mechanical arm 22 is translated to the installation area along the second slide rail 21 to enable the lower arch frame 2 to be in butt joint with the upper arch frame 1, so that the constructor can fixedly connect the two.
And S40, fixing the butted upper arch 1 and lower arch 2 with the inner wall of the tunnel. In the step, constructors install foot-contracting anchor pipes on two sides of the arch centering for locking, when the clearance between the arch centering and the inner wall of the tunnel is large, concrete blocks are inserted into the clearance for wedging, concrete is sprayed for filling, and the arch centering is longitudinally connected by steel bars.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A sectional type bow member installation platform truck, sectional type bow member include upper segment bow member and connect the hypomere bow member at upper segment bow member both ends, its characterized in that, sectional type bow member installation platform truck includes:
a trolley body;
the bearing device is arranged at the tail of the trolley body and comprises a bearing frame, and the bearing frame is used for bearing the upper section arch centering and the lower section arch centering;
the transferring and jacking device comprises a first slide rail arranged below the bearing bracket and a lifting support rod sliding along the first slide rail along the direction from the head to the tail of the trolley body, and is used for transferring the upper-section arch centering on the bearing bracket to an installation area at the head and jacking the upper-section arch centering to an installation height;
the transfer and butt joint device comprises a second slide rail and a butt joint mechanical arm, wherein the second slide rail is arranged on the two opposite sides of the trolley body and is parallel to the first slide rail, the butt joint mechanical arm translates on the second slide rail, and the butt joint mechanical arm is used for taking down the lower arch from the bearing frame and butting with the upper arch.
2. The segmental arch erection trolley as claimed in claim 1, further comprising first protective screens disposed on both sides of an imaginary plane formed by the lifting stay and the first slide rail and disposed near the head.
3. The segmental arch installing trolley according to claim 1, wherein the first slide rail is an I-beam, the transferring and jacking device further comprises first rollers arranged in groove portions on two sides of the I-beam, a first support connected with the first rollers, the lifting support rod comprises a first oil cylinder with a lower end arranged on the first support, and a support seat arranged at the top end of the first oil cylinder, and a groove matched with the arch is formed in the support seat.
4. The segmental arch installing trolley according to claim 1, wherein the second slide rail is an I-beam, and the transfer and butt-joint device further comprises second rollers arranged in the groove portions on two sides of the I-beam, and a second bracket connected with the second rollers;
the docking robot arm includes:
the first telescopic arms are arranged on the second support, and the telescopic directions of the first telescopic arms face to two sides of the trolley body;
the first clamping jaw is arranged at one end, far away from the second support, of the first telescopic arm;
the second telescopic arm is positioned above the first telescopic arm, and one end of the second telescopic arm is hinged with the second support;
the second clamping jaw is arranged at one end, far away from the second support, of the second telescopic arm;
and one end of the third telescopic arm is hinged with the second support, and the other end of the third telescopic arm is hinged with the second telescopic arm and is used for driving the second telescopic arm to lift.
5. The segmented arch erection trolley of claim 1 further comprising a working platform disposed on both sides of the trolley body, wherein a second protective screen is disposed on the upper portion of the working platform.
6. The sectional type arch center mounting trolley as claimed in claim 5, wherein working windows are provided on the first and second protective screens, the size of the working windows is larger than the mesh size of the first and second protective screens, and the lower ends of the first and second protective screens are provided with a translation mechanism with a translation direction parallel to the first slide rail.
7. The sectional type arch center mounting trolley as claimed in claim 1, further comprising a protection screen and a turnover mechanism arranged at the trolley head, wherein the lower part of the protection screen is hinged to the trolley body, one end of the turnover mechanism is hinged to the mounting trolley, and the other end of the turnover mechanism is hinged to the upper part of the protection screen, and the turnover mechanism is used for driving the protection screen to turn over a certain angle to be close to the face of a hand.
8. The segmented arch installing trolley according to claim 7, wherein an opening is further arranged in the middle of the protection mesh plate, and a mesh door is arranged at the opening.
9. A segmental arch erection method, characterized in that the segmental arch erection trolley of any one of claims 1 to 8 is applied, comprising the steps of:
placing the upper arch and the lower arch on the receiving frame;
transferring the upper arch to an installation area and jacking to an installation height;
transferring the lower arch to an installation area and butting the lower arch with the upper arch;
and fixing the butted upper arch centering and lower arch centering with the inner wall of the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170102.7A CN110748361A (en) | 2019-11-26 | 2019-11-26 | Sectional arch center mounting method and sectional arch center mounting trolley |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170102.7A CN110748361A (en) | 2019-11-26 | 2019-11-26 | Sectional arch center mounting method and sectional arch center mounting trolley |
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| CN110748361A true CN110748361A (en) | 2020-02-04 |
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| CN201911170102.7A Pending CN110748361A (en) | 2019-11-26 | 2019-11-26 | Sectional arch center mounting method and sectional arch center mounting trolley |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074001A (en) * | 2021-04-19 | 2021-07-06 | 中铁工程装备集团有限公司 | Multifunctional operation rack suitable for tunnel construction |
-
2019
- 2019-11-26 CN CN201911170102.7A patent/CN110748361A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074001A (en) * | 2021-04-19 | 2021-07-06 | 中铁工程装备集团有限公司 | Multifunctional operation rack suitable for tunnel construction |
| CN113074001B (en) * | 2021-04-19 | 2022-03-25 | 中铁工程装备集团有限公司 | Multifunctional operation rack suitable for tunnel construction |
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