CN209855824U - Tunnel bow member assembled construction equipment - Google Patents
Tunnel bow member assembled construction equipment Download PDFInfo
- Publication number
- CN209855824U CN209855824U CN201920289049.1U CN201920289049U CN209855824U CN 209855824 U CN209855824 U CN 209855824U CN 201920289049 U CN201920289049 U CN 201920289049U CN 209855824 U CN209855824 U CN 209855824U
- Authority
- CN
- China
- Prior art keywords
- arch
- trolley
- jacking
- tunnel
- construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010276 construction Methods 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 abstract description 15
- 238000004904 shortening Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a tunnel bow member assembled construction equipment, the device includes: a track arranged longitudinally along the tunnel; the trolley, the bottom of trolley install with track complex pulley, be equipped with the jacking device on the trolley, the jacking device is including being used for installing the base on the trolley, the fixed jacking cylinder that is equipped with on the base, the top and the bearing steel sheet of the piston rod of jacking cylinder are connected. The fabricated construction device can be used for installing various arches with different section shapes in a matched mode, and the jacking device of the arch installing trolley can be adjusted according to the section size of the arch; the accurate positioning of the arch centering can be realized, and the difficult problem of mechanical arch centering installation is conveniently and quickly solved; the construction method has the advantages of realizing mechanized construction, reducing labor intensity of workers, shortening construction period, being high in construction speed, requiring a small number of workers on site and saving a large amount of cost.
Description
Technical Field
The invention relates to the technical field of underground engineering construction, in particular to a tunnel arch frame assembly type construction device.
Background
In recent years, the underground engineering industry of China is rapidly developed, which not only shows the increase of quantity, but also develops and breaks through the technology rapidly. With the rapid development of the construction scale and speed of underground engineering, the installation speed and quality of the steel arch serving as the main supporting member of the underground primary engineering are particularly important for saving working hours, and the steel arch serving as the main supporting member of the underground engineering in China still adopts a field manual installation mode.
The traditional arch center construction mode mainly has the following defects: the method needs a large number of workers, and has high labor intensity and low efficiency. The existing arch center is mostly connected by traditional flanges and sleeves, and a large amount of labor is needed for matching construction during field installation; ② the safety is poor. In the installation process, a large number of workers are required to perform long-time high-strength construction operation in an unsupported space on the site, and the safety is difficult to ensure; and thirdly, the existing arch center connection mode can not be matched with the mechanized site construction of the arch center.
Therefore, a mechanized construction method of the tunnel I-steel arch center is urgently needed. The research in the aspect can lay a foundation for the popularization of the mechanical construction of the assembled I-steel arch centering of the tunnel, and has higher engineering value.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a tunnel arch assembling type construction apparatus, which can realize mechanical assembling construction of an arch, improve safety of workers, and greatly shorten a construction period.
To achieve the above and other related objects, an embodiment of the present invention provides a tunnel arch fabricated construction apparatus, including:
a track arranged longitudinally along the tunnel;
the trolley, the bottom of trolley install with track complex pulley, be equipped with the jacking device on the trolley, the jacking device is including being used for installing the base on the trolley, the fixed jacking cylinder that is equipped with on the base, the top and the bearing steel sheet of the piston rod of jacking cylinder are connected.
The jacking devices are provided with three groups which are respectively positioned in the middle and two sides of the arch center.
The top ends of the piston rods of the jacking devices positioned on the two sides are connected with the bearing steel plate through a hinge component, the bearing steel plate is provided with a convex body, and the lower end of the convex body is provided with a contact part with a circular arc-shaped longitudinal section; the top end of the piston rod is fixedly connected with the fixed sleeve body, the outer end face of the fixed sleeve body is provided with a matching contact part matched with the arc shape, and the contact part is contacted with the matching contact part.
The fixed sleeve body is welded with the top end of the piston rod, and blades of the hinged component are in clearance fit with the pin shaft. Through the arrangement of the convex part and the fixed sleeve body, the bearing steel plate has good stress performance while the jacking angle of the bearing steel plate can be freely adjusted.
Another embodiment of the present invention provides a tunnel arch fabricated construction method, including the steps of:
step 1: placing the pre-assembled arch on an arch installing trolley, wherein the arch installing trolley slides to a set position along a track, and the arch units at two ends are connected to the adjacent arch units by using flange parts capable of rotating in the plane where the arches are located;
step 2: lifting the top and shoulder arches by using a jacking oil cylinder on the arch mounting trolley, opening arch springing parts at two sides by using an arch auxiliary mounting machine, and placing the arches at specified positions;
and step 3: adjusting the arch frame by using a jacking oil cylinder to connect the longitudinal positioning device with the previous arch frame, and arranging laser positioning instruments at the arch crown and arch foot positions at two sides for position calibration to finish the accurate positioning of the whole arch frame;
and 4, step 4: and (5) arranging a foot locking anchor rod.
In the step 1, the arch is divided into 6 arch units, wherein the top arch unit and the shoulder arch unit are connected by adopting a fixed flange plate, and the shoulder arch unit and the leg arch unit are connected by adopting a flange plate with bolts.
And (3) installing a longitudinal positioning matching device matched with the longitudinal positioning device at the set position of the arch frame while performing the operation of the step (1).
In the step 2, before the arch is installed, the laser positioning device is adopted to position the installation position of the arch, and the arch installation trolley is moved to enable the arch on the trolley and the positioning point to be in the same horizontal position.
In the step 3, the arch frame erection position is calibrated by using the laser positioning instrument, namely the laser positioning instrument at the three-point positions of the arch crown and the arch springing at the two sides is used for calibrating the position of the mark point corresponding to the tunnel face, and the laser positioning instrument is matched with the longitudinal positioning device to realize the accurate positioning of the arch frame by adjusting the arch frame lifting device.
And 4, rechecking the section of the tunnel by using a laser ranging device before the foot locking anchor rod is arranged.
According to the technical scheme provided by the embodiment of the invention, various arches with different section shapes can be installed in a matching manner, and the jacking device of the arch installation trolley can be adjusted according to the section size of the arch; the accurate positioning of the arch centering can be realized, and the difficult problem of mechanical arch centering installation is conveniently and quickly solved; the construction method has the advantages of realizing mechanized construction, reducing labor intensity of workers, shortening construction period, being high in construction speed, requiring a small number of workers on site and saving a large amount of cost.
Drawings
FIG. 1 is an overall flow chart of a construction scheme;
FIG. 2 is a steel pipe node form diagram;
FIG. 3 is a schematic view of the arrangement of the arches on the trolley;
FIG. 4 is a schematic view of a trolley jacking cylinder;
FIG. 5 is a schematic view of the arch foot auxiliary mounting machine;
FIG. 6 is a schematic view of the arch longitudinal positioning apparatus;
FIG. 7 is a front view of a top structure of the two-sided jacking device;
fig. 8 is a side view of a two-sided jacking device top structure.
Description of the element reference numerals
1 arch unit
2 Flange plate
3 trolley
4 sliding wheel
5 bow member fixing device
6 jacking device
7 auxiliary mounting machine
8 longitudinal positioning device
9 bearing steel plate
10 projection
11 contact part
12 fixed sleeve body
13 mating contact portion
14 piston rod
15 blade
16 pin shaft
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions that the present disclosure can be implemented, so that the present disclosure is not technically significant, and any structural modifications, ratio changes or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The embodiment of the application provides a tunnel bow member assembled construction equipment includes: a track arranged longitudinally along the tunnel; the trolley, the bottom of trolley install with track complex pulley, be equipped with jacking device 6 on the trolley, it includes the base that is used for installing on the trolley, the fixed jacking hydro-cylinder that is equipped with on the base, the top and the bearing steel sheet 9 of jacking hydro-cylinder's piston rod are connected.
The jacking devices 6 are provided with three groups which are respectively positioned in the middle and two sides of the arch center.
The top ends of the piston rods of the jacking devices positioned at the two sides are connected with a bearing steel plate through a hinge component, the bearing steel plate is provided with a convex body 10, and the lower end of the convex body 10 is provided with a contact part 11 with a circular arc-shaped longitudinal section; the top end of the piston rod 14 is fixedly connected with the fixed sleeve body 12, the outer end face of the fixed sleeve body is provided with a matching contact part matched with the circular arc, and the contact part 11 is contacted with the matching contact part 13.
The fixed sleeve body is welded with the top end of the piston rod, and the blades 15 of the hinged component are in clearance fit with the pin shaft 16. Through the arrangement of the convex part and the fixed sleeve body, the bearing steel plate has good stress performance while the jacking angle of the bearing steel plate can be freely adjusted.
The embodiment of the application provides a tunnel bow member assembled construction equipment, includes following step:
(1) pre-assembling an arch frame: according to the bow member design profile, the bow member divide into 6 bow member units 1 to utilize flange joint to connect middle three sections, both ends bow member utilizes rotatable flange board node to splice the installation, installs the supporting device of vertical location in the assigned position of bow member simultaneously. Wherein, the top and shoulder arch units are connected by a fixed flange plate 2, and the shoulder and leg arch units are connected by a flange plate with bolts, as shown in fig. 1.
(2) Hoisting and placing an arch frame: and placing the pre-installed arch outside the tunnel at the appointed position of the arch installing trolley 3 by utilizing hoisting equipment. Wherein, the arch center mounting trolley is a trolley with a sliding wheel 4, corresponding tracks are arranged outside and in the tunnel, and the trolley can freely move on the tracks. The upper part of the arch installing trolley is provided with an arch fixing device 5 and a jacking device 6, the fixing device is used for positioning and fixing the arch after the trolley is placed on the arch, and the jacking device consists of a hydraulic oil cylinder and is used for jacking and installing the arch.
(3) The trolley moves to be in place: the movable pulley 4 is installed to bow member installation platform truck bottom, and the movable pulley is located on the track, and the track is arranged along tunnel length direction, and the platform truck that will place the bow member moves to the position of working face the place ahead preinstallation bow member along the track to fix the bow member. Before the arch is installed, a laser positioning device is used for positioning at the pre-installation position of the arch, and the arch installation trolley is moved to enable the arch on the trolley and the positioning point to be in the same horizontal position.
(4) Jacking and installing an arch frame: the jacking oil cylinder 6 on the arch center mounting trolley is used for lifting the arch centers at the top and the shoulders, the arch center auxiliary mounting machine 7 is used for opening the arch foot parts at the two sides, and the arch center is placed at the appointed position. Wherein, three groups of jacking cylinders are arranged on the arch center mounting trolley and are respectively positioned in the middle and at two sides.
Preferably, the oil cylinder at the middle position is used for jacking the top arch, the oil cylinders at the two sides are used for jacking the oil cylinders at the shoulder positions, and the oil cylinders at the two sides are provided with hinged stress devices which can freely adjust the jacking angle. The top of the oil cylinder is welded with a groove-shaped steel plate, and the clear width of the inner part of the groove-shaped steel plate is slightly larger than the outer width of the arch frame.
(5) Accurate positioning of an arch frame: the arch centering is adjusted by using a jacking oil cylinder, a longitudinal positioning device 8 is connected with the previous arch centering, and laser positioners are arranged at the arch crown and the arch foot positions at two sides for position calibration, namely: and the laser positioning instruments at the three-point positions of the arch crown and the arch feet at the two sides are used for calibrating the positions of the mark points corresponding to the tunnel face, are matched with the longitudinal positioning device, and finish the accurate positioning of the whole arch truss by adjusting the arch truss lifting device.
The longitudinal connecting device comprises a guide opening device arranged on the previous arch truss, a base structure on the arch truss to be installed and a connecting rod structure; a groove structure is arranged in the guide port device, and a plum blossom clamping ring is arranged in the groove; the base structure is a threaded base and can fix the connecting rod structure; the front section of the connecting rod structure is provided with a convex structure which can be arranged in the plum blossom clamping ring for fixing; the tail end is provided with a thread which can be fixed on the base structure. The length of the longitudinal connecting device can be designed according to the actual arch center distance on site.
(6) And (3) rechecking the section: and (4) rechecking the section by using a laser ranging device, and drilling a locking pin anchor rod. Specifically, a laser ranging device is used for rechecking the section, and if the section meets the installation requirement of an arch frame, a foot locking anchor rod is arranged for fixing; if the installation requirement of the arch frame is not met, the fine adjustment and retest are carried out by utilizing the arch frame jacking device and the auxiliary installation machine. The laser ranging device is composed of a laser emitting device, a movable shaft sleeve and a clamp.
The cross section rechecking method is that a laser distance measuring device is arranged at the arch foot of an arch frame to measure a certain distance between the arch frames, and the corresponding design drawing is used to obtain the over-lack part of the arch frame, thereby adjusting the arch frame or applying a reinforcing measure.
(7) And other steps: according to the procedure, the circulating residual arch frame is installed, the residual longitudinal connecting ribs are welded, and a reinforcing mesh and concrete are paved.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (4)
1. A tunnel bow fabricated construction device, comprising:
a track arranged longitudinally along the tunnel;
the trolley, the bottom of trolley install with track complex pulley, be equipped with the jacking device on the trolley, the jacking device is including being used for installing the base on the trolley, the fixed jacking cylinder that is equipped with on the base, the top and the bearing steel sheet of the piston rod of jacking cylinder are connected.
2. The tunnel arch erection type construction device of claim 1, wherein the jacking means is provided in three groups, respectively located at the middle and both sides of the arch.
3. The tunnel arch erection-type construction apparatus as claimed in claim 2, wherein the top ends of the piston rods of the jacking devices located at both sides are connected to the supporting steel plate through hinge members, the supporting steel plate being provided with protrusions having lower ends provided with contact portions having a circular arc-shaped longitudinal section; the top end of the piston rod is fixedly connected with the fixed sleeve body, the outer end face of the fixed sleeve body is provided with a matching contact part matched with the arc shape, and the contact part is contacted with the matching contact part.
4. The tunnel arch fabricated construction device of claim 3, wherein the fixed sleeve is welded to the top end of the piston rod, and the blade and the pin of the hinge member are in clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289049.1U CN209855824U (en) | 2019-03-07 | 2019-03-07 | Tunnel bow member assembled construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289049.1U CN209855824U (en) | 2019-03-07 | 2019-03-07 | Tunnel bow member assembled construction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209855824U true CN209855824U (en) | 2019-12-27 |
Family
ID=68932930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920289049.1U Expired - Fee Related CN209855824U (en) | 2019-03-07 | 2019-03-07 | Tunnel bow member assembled construction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209855824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869168A (en) * | 2019-03-07 | 2019-06-11 | 齐鲁交通发展集团有限公司 | A kind of tunnel arch fabricated construction device and method |
-
2019
- 2019-03-07 CN CN201920289049.1U patent/CN209855824U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869168A (en) * | 2019-03-07 | 2019-06-11 | 齐鲁交通发展集团有限公司 | A kind of tunnel arch fabricated construction device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108344637B (en) | Shield segment mechanics simulation test device | |
| CN107701207B (en) | Subterranean tunnel assembled arch support system and mechanized construction method | |
| CN108104832B (en) | underground engineering assembled confined concrete arch center and mechanized construction method | |
| CN101736698B (en) | Accurate positioning method for cable-stayed bridge pylon cable guide pipe | |
| CN209855824U (en) | Tunnel bow member assembled construction equipment | |
| CN108843028A (en) | Absolute altitude quick level adjusting device is positioned applied to assembled composite wallboard, superposed column | |
| CN107964841A (en) | A kind of rubber-tyred subway changes paving machine and method for automatically leveling | |
| CN209874484U (en) | Aluminum alloy template bracing device | |
| CN109869168A (en) | A kind of tunnel arch fabricated construction device and method | |
| KR20090101878A (en) | Struts constructing apparatus and method for bridge | |
| CN210664880U (en) | Adjusting pedestal for watertight test of concrete pouring guide pipe | |
| CN201236318Y (en) | Arch case prefabricated end socket positioning base | |
| CN105297634A (en) | Horizontal moving and jacking mechanism of beam transporting vehicle | |
| CN216665637U (en) | Supplementary gallery bow member quick installation device of tunnel of growing up | |
| CN110424753A (en) | A kind of the wall column positioning device and its working method of modular assembly formula building | |
| CN215758553U (en) | Quick and accurate positioning and butt joint device for installation and construction of whole variable cross-section steel box girder | |
| CN109706845B (en) | Accurate positioning device for steel pipe arch bridge suspender preformed hole | |
| CN220888342U (en) | Thrust structure positioner | |
| CN110315271A (en) | A kind of tipping arrangement of guide rail welding | |
| CN216973179U (en) | Template system of assembled culvert for accurately positioning anchor bolts | |
| CN114855616B (en) | Method for installing and positioning pre-embedded sections of arch feet of steel arch bridge | |
| CN112212069B (en) | Auxiliary device of adjustable push pipe atress | |
| CN113338169B (en) | Whole normal position concatenation handing equipment of striding of mountain area steel-concrete composite beam | |
| CN218695751U (en) | Quick assembling, debugging and calibrating device for multi-joint telescopic arm | |
| CN214702002U (en) | Prefabricated beam bellows location slide caliper rule device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201013 Address after: No.8, Longao North Road, Lixia District, Jinan City, Shandong Province Patentee after: Shandong high speed Group Co.,Ltd. Patentee after: SHANDONG University Address before: 250013 Block D, Yinfeng Fortune Plaza, No. 1 Longaoxi Road, Jinan City, Shandong Province Patentee before: QILU TRANSPORTATION DEVELOPMENT GROUP Co.,Ltd. Patentee before: SHANDONG University |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 |