CN204371363U - A kind of positioner for the dismounting of tunnel invert back of the body mould - Google Patents
A kind of positioner for the dismounting of tunnel invert back of the body mould Download PDFInfo
- Publication number
- CN204371363U CN204371363U CN201420791457.4U CN201420791457U CN204371363U CN 204371363 U CN204371363 U CN 204371363U CN 201420791457 U CN201420791457 U CN 201420791457U CN 204371363 U CN204371363 U CN 204371363U
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- China
- Prior art keywords
- shoulder pole
- pole girder
- inverted arch
- body mould
- positioner
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Abstract
The utility model relates to tunnelling technical field, particularly relates to a kind of positioner for the dismounting of tunnel invert back of the body mould.Comprise chassis base, portal frame, semi girder, front shoulder pole girder, rear shoulder pole girder, front shoulder pole girder connecting-perforating frame and rear shoulder pole girder connecting-perforating frame, the two ends of front shoulder pole girder are provided with two electric hoists, the two ends of rear shoulder pole girder are also provided with two electric hoists, electric block is carried on the back mould bracing frame by chain sling and inverted arch and is connected, and inverted arch notacoria is arranged in inverted arch notacoria bracing frame; The positioner for the dismounting of tunnel invert back of the body mould that the utility model provides, alternative excavator is installed inverted arch back of the body mould, equipment investment can be saved, accurately controlled the vertical accurately location of inverted arch back of the body mould by four electric hoists simultaneously, the position of front shoulder pole girder and rear shoulder pole girder is adjustable in a lateral direction simultaneously, by regulating accurately locating with the lateral attitude of lateral attitude to inverted arch back of the body mould of front shoulder pole girder and rear shoulder pole girder, make each section of inverted arch concreting line style consistent.
Description
Technical field
The utility model relates to tunnelling skill technical field, particularly relates to a kind of positioner for the dismounting of tunnel invert back of the body mould.
Background technology
At present, in the inverted arch concrete pouring construction of high-speed railway double track tunnel, abutment wall place, both sides inverted arch concrete surface need exceed inverted arch and fill 30 centimetres to 45 centimetres, face, code requirement adopts zonal cooling pouring construction, and according to different surrounding rock rank, require that the length of primary concreting section is generally 6 meters to 8 meters.Must install for inverted arch back of the body mould is at present all to sling inverted arch back of the body mould with excavator, and then be placed on installation site, and when inverted arch back of the body mould installed by usage mining machine, need the work of several workers's excavator, inverted arch back of the body mould is positioned, inverted arch carried on the back mould and be placed in correct position, and there is following defect in usage mining machine installation inverted arch back of the body mould:
(1) take the excavator time longer, be generally 1-2 hour, affect the construction of other operations of tunnel, affect construction speed; (2) take constructor many, be generally 5-6 people, need assisted mining machine to position in hoisting process, and quite require great effort, operating efficiency is lower, wastes manpower simultaneously and greatly; (3) Template Location forbidden, precision is low, inverted arch build after line style very poor, cause the defect that concreting line style is inconsistent; (4) because of excavator rocking in hoisting process, very easily collision is caused to inverted arch reinforcing bar, affect construction quality; (5) form removal difficulty, adopts the rigid form removal of excavator again; (6) after repeatedly constructing, because colliding too much and the rigid form removal of excavator, causing being molded as destruction to the inverted arch back of the body, affecting the whole service life of inverted arch back of the body mould.
Therefore, for above deficiency, need to provide a kind of accurate positioning, operating efficiency is high, construction speed the is fast positioner for the dismounting of tunnel invert back of the body mould.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is: when installing inverted arch back of the body mould in prior art, take time and effort, construction speed is slow, and due to construction space limited, inverted arch often can be made to carry on the back mould deform in transhipment and position fixing process and damage, the whole service life of impact back of the body mould; The transverse direction and the vertical location of installing that also there is inverted arch back of the body mould inaccurate simultaneously, causes the defect that concreting line style is inconsistent.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of positioner for the dismounting of tunnel invert back of the body mould, comprise chassis base, the front end of described chassis base is fixedly installed portal frame, semi girder is fixedly connected with in the middle and upper part of described portal frame, described semi girder and described chassis base are positioned at the both sides of described portal frame, and the front portion of described semi girder is provided with front shoulder pole girder connecting-perforating frame, and front shoulder pole girder position-adjustable ground cross-under is in described front shoulder pole girder connecting-perforating frame; The rear portion of described semi girder is provided with rear shoulder pole girder connecting-perforating frame, and the ground cross-under of rear shoulder pole girder position-adjustable is in the rear in shoulder pole girder connecting-perforating frame; The two ends of described front shoulder pole girder are respectively arranged with front interior electric hoist and front outer electric hoist, and it is hinged that described front interior electric hoist and described front outer electric hoist carry on the back mould bracing frame respectively by front chain sling and inverted arch; The two ends of described rear shoulder pole girder are respectively arranged with rear interior electric hoist and rear outer electric hoist, it is hinged that described rear outer electric hoist and described rear interior electric hoist carry on the back mould bracing frame respectively by rear chain sling and inverted arch, in described inverted arch back of the body mould bracing frame, be provided with inverted arch back of the body mould.
Wherein, described front shoulder pole girder connecting-perforating frame is fixedly installed front stretching hydraulic cylinder, the expansion link of described front stretching hydraulic cylinder is fixedly connected with described front shoulder pole girder by front connection baffle plate, and described front stretching hydraulic cylinder can regulate the position of front shoulder pole girder; Described rear shoulder pole girder connecting-perforating frame is fixedly installed rear telescopic hydraulic cylinder, and the expansion link of described rear telescopic hydraulic cylinder is fixedly connected with described rear shoulder pole girder by rear connection baffle plate, and described rear telescopic hydraulic cylinder can regulate the position of described rear shoulder pole girder.
Wherein, also comprise fore stay and backstay, one end of described fore stay is connected the other end with the upper end of described portal frame and is connected with described semi girder; One end of described backstay is connected with the upper end of described portal frame, and the other end is connected with the rear end of described chassis base.
Wherein, described chassis base is also provided with counterweight water tank.
Wherein, the tip platform of described inverted arch back of the body mould bracing frame is provided with inner side location-plate, described inner side location-plate and tunnel just prop up between face and are provided with location adjusting screw(rod), the outer side frame of described inverted arch back of the body mould bracing frame is provided with outside posting, described outside posting and tunnel just prop up between face and are provided with spacer bars, just prop up between face build inverted arch concrete at described inverted arch back of the body mould and tunnel.
Wherein, described chassis base is also provided with hydraulic control cabinet and switchbox, described hydraulic control cabinet is communicated with described rear telescopic hydraulic cylinder with described front stretching hydraulic cylinder respectively, described switchbox respectively with described front outer electric hoist, described front in electric hoist, described rear outer electric hoist and described rear interior electric hoist respectively be electrically connected.
Wherein, the rear portion of chassis base is provided with universal wheel, in positioner moving process, by the lateral attitude of described universal wheel adjustment positioner.
Wherein, the rear end of described inverted arch back of the body mould bracing frame is provided with fixing steel plate.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: the utility model provides a kind of positioner for the dismounting of tunnel invert back of the body mould, comprise chassis base, the front end of described chassis base is fixedly installed portal frame, semi girder is fixedly connected with in the middle and upper part of described portal frame, described semi girder and described chassis base are positioned at the both sides of described portal frame, the front portion of described semi girder is provided with front shoulder pole girder connecting-perforating frame, and front shoulder pole girder position-adjustable ground cross-under is in described front shoulder pole girder connecting-perforating frame; The rear portion of described semi girder is provided with rear shoulder pole girder connecting-perforating frame, and the ground cross-under of rear shoulder pole girder position-adjustable is in the rear in shoulder pole girder connecting-perforating frame; The two ends of described front shoulder pole girder are respectively arranged with front interior electric hoist and front outer electric hoist, and it is hinged that described front interior electric hoist and described front outer electric hoist carry on the back mould bracing frame respectively by front chain sling and inverted arch; The two ends of described rear shoulder pole girder are respectively arranged with rear interior electric hoist and rear outer electric hoist, it is hinged that described rear outer electric hoist and described rear interior electric hoist carry on the back mould bracing frame respectively by rear chain sling and inverted arch, in described inverted arch back of the body mould bracing frame, be provided with inverted arch back of the body mould.The alternative excavator of positioner for the dismounting of tunnel invert back of the body mould that the utility model provides mounts and dismounts inverted arch back of the body mould, equipment investment can be reduced, reduce construction cost, simultaneously thereon before, rear shoulder pole girder is respectively provided with two electric hoists, the vertical location of inverted arch back of the body mould is accurately controlled by four electric hoists, the position of front shoulder pole girder and rear shoulder pole girder is adjustable in a lateral direction simultaneously, by regulating accurately locating with the lateral attitude of lateral attitude to inverted arch back of the body mould of front shoulder pole girder and rear shoulder pole girder, make each section of inverted arch concreting line style consistent, chassis base can drive whole positioner to move simultaneously, when lifting inverted arch back of the body mould, automaticity is high, engineering time lifting operating efficiency can be shortened, human input can also be saved.
Accompanying drawing explanation
The advantage of the above-mentioned and/or additional aspect of the utility model will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the main TV structure schematic diagram of the positioner for the dismounting of tunnel invert back of the body mould described in the utility model embodiment;
Fig. 2 is the plan structure schematic diagram of the positioner for the dismounting of tunnel invert back of the body mould described in the utility model embodiment;
Fig. 3 is the sectional structure schematic diagram in Fig. 1 on I-I direction;
Fig. 4 is the A portion structure for amplifying schematic diagram in Fig. 2;
Fig. 5 is the B portion structure for amplifying schematic diagram in Fig. 2.
Corresponding relation wherein in Fig. 1 to Fig. 5 between Reference numeral and component names is:
1, chassis base, 2, portal frame, 3, semi girder, 4, fore stay, 5, backstay, 6, counterweight water tank, 7, front chain sling, 8, inverted arch back of the body mould bracing frame, 9, front shoulder pole girder, 10, rear shoulder pole girder, 11, rear chain sling, 12, inverted arch back of the body mould, 13, tip platform, 14, inner side location-plate, 15, outside posting, 16, location adjusting screw(rod), 17, inverted arch concrete, 18, tunnel just props up face, 19, be decided to be reinforcing bar, 20, hydraulic control cabinet, 21, front shoulder pole girder connecting-perforating frame, 22, front stretching hydraulic cylinder, 23, front outer electric hoist, 24, rear shoulder pole girder connecting-perforating frame, 25, rear telescopic hydraulic cylinder, 26, rear outer electric hoist, 27, front connection baffle plate, 28, electric hoist in front, 29, rear connection baffle plate, 30, electric hoist in rear, 31, fixing steel plate, 32, universal wheel.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
As shown in Figures 1 to 5, the utility model provides a kind of positioner for the dismounting of tunnel invert back of the body mould 12, comprise chassis base 1, the front end of described chassis base 1 is fixedly installed portal frame 2, semi girder 3 is fixedly connected with in the middle and upper part of described portal frame 2, described semi girder 3 and described chassis base 1 are positioned at the both sides of described portal frame 2, and the front portion of described semi girder 3 is provided with front shoulder pole girder connecting-perforating frame 21, and front shoulder pole girder 9 position-adjustable ground cross-under is in described front shoulder pole girder connecting-perforating frame 21; The rear portion of described semi girder 3 is provided with rear shoulder pole girder connecting-perforating frame 24, and the ground cross-under of rear shoulder pole girder 10 position-adjustable is in the rear in shoulder pole girder connecting-perforating frame 24; The two ends of described front shoulder pole girder 9 are respectively arranged with front interior electric hoist 28 and front outer electric hoist 23, and it is hinged that described front interior electric hoist 28 and described front outer electric hoist 23 carry on the back mould bracing frame 8 respectively by front chain sling 7 and inverted arch; The two ends of described rear shoulder pole girder 10 are respectively arranged with rear interior electric hoist 30 and rear outer electric hoist 26, it is hinged that described rear outer electric hoist 26 and described rear interior electric hoist 30 carry on the back mould bracing frame 8 respectively by rear chain sling 11 and inverted arch, in described inverted arch back of the body mould bracing frame 8, be provided with inverted arch back of the body mould 12.Wherein, described front shoulder pole girder connecting-perforating frame 21 is fixedly installed front stretching hydraulic cylinder 22, the expansion link of front stretching hydraulic cylinder 22 is fixed together with front shoulder pole girder 9 by front connection baffle plate 27, and described front stretching hydraulic cylinder can regulate the position of front shoulder pole girder 9, described rear shoulder pole girder connecting-perforating frame 24 is fixedly installed rear telescopic hydraulic cylinder 25, the expansion link of rear telescopic hydraulic cylinder 25 is fixed together with rear shoulder pole girder 10 by rear connection baffle plate 29, and described rear telescopic hydraulic cylinder 25 can regulate the position of described rear shoulder pole girder 10, described chassis base 1 is provided with four wheels, by driven by motor vehicle wheel rotation, drives the movement of whole positioner,, and the positioner using the utility model to provide substitutes excavator and installs inverted arch back of the body mould 8, can equipment investment be saved, reduce construction cost, preferably, described chassis base 1 is also provided with hydraulic control cabinet 20 and switchbox, described hydraulic control cabinet 20 is communicated with described rear telescopic hydraulic cylinder 25 with described front stretching hydraulic cylinder 22 respectively, described switchbox respectively with described before outer electric hoist 23, electric hoist 28 in before described, described rear outer electric hoist 26 and described rear interior electric hoist 30 respectively be electrically connected, accurately located by the vertical position of four automatically controlled cucurbits to inverted arch back of the body mould 12 like this, control front stretching hydraulic cylinder 22 and rear telescopic hydraulic cylinder 25 by hydraulic control cabinet 20 to stretch and drive the transverse shifting of front shoulder pole girder 9 and rear shoulder pole girder 10 simultaneously, the lateral attitude of inverted arch back of the body mould 12 is accurately located, each section of inverted arch concrete 17 is made to build line style consistent.
Wherein, the tip platform 13 of described inverted arch back of the body mould bracing frame 8 is provided with inner side location-plate 14, described inner side location-plate 14 and tunnel just prop up to be provided with between face 18 locates adjusting screw(rod) 16, the outer side frame of described inverted arch back of the body mould bracing frame 8 is provided with outside posting 15, described outside posting 15 and tunnel just prop up between face 18 and are provided with spacer bars 19, just prop up between face 18 at described inverted arch back of the body mould 12 and tunnel and build inverted arch concrete 17, the rear end of described inverted arch back of the body mould bracing frame 8 is provided with fixing steel plate 31, the lateral attitude that mould 12 carried on the back by inverted arch accurately can be located by adjustment adjusting screw(rod), and when installing inverted arch back of the body mould 12, the fixing steel plate 31 of the rear end setting of inverted arch back of the body mould bracing frame 8, ride on inverted arch filling face that leading portion built, the vertical position that mould 12 carried on the back by inverted arch accurately can be located like this, the accuracy of the line line style of the short abutment wall continuous placing of inverted arch can be ensured.
Preferably, be provided with two fore staies 4 between the upper end of portal frame 2 and semi girder 3, wherein fore stay 4 is positioned at the front end of semi girder 3, and another root fore stay 4 is positioned at the middle part of semi girder 3; Between the upper end of portal frame 2 and chassis base 1, be provided with two backstays 5, backstay 5 is positioned at the rear portion of chassis base 1, and two backstays 5 lay respectively at the upper and lower two parts in chassis rear portion; By fore stay and backstay, semi girder 3 and chassis base 1 are drawn, make whole positioner keep balance.And on chassis base 1, being also provided with counterweight water tank 6, concrete configuration block is changed to water tank ballast, during the maintenance of chassis bearing, water is bled off, the problem of pallet bottom device maintenance difficult that chassis causes because conducting oneself with dignity excessive, dismounting difficulty can being solved.
Preferably, the rear portion of chassis base 1 is provided with universal wheel 32, in positioner moving process, adjusts the lateral attitude of positioner by described universal wheel 32, to reach the object that positioner accurately moves to precalculated position.
Illustrate the positioner adopting the utility model to provide the carries out dismounting course of work to inverted arch notacoria below:
1. walked by driven by motor positioner front-wheel, make inverted arch carry on the back mould and move to the pre-casting position of inverted arch (the universal wheel adjustable setting device direction of travel at rear portion);
2. the hydraulic cylinder on shoulder pole girder is used to adjust template in the position of horizontal cross, to design attitude (utilizing inner side located lateral adjusting screw(rod) to realize accurate location herein);
3. electric block adjustment template position is in vertical direction used, to design attitude (utilizing the vertical spacer bars of fixing steel plate and outside herein to realize accurate location);
4. locate post-reinforcing template, build inverted arch concrete.
5., after reaching form removal condition, again utilize the contraction of hydraulic cylinder and the lifting of electric hoist to remove inverted arch back of the body mould.
In sum, the positioner for the dismounting of tunnel invert back of the body mould that the utility model provides, comprise chassis base, the front end of described chassis base is fixedly installed portal frame, semi girder is fixedly connected with in the middle and upper part of described portal frame, described semi girder and described chassis base are positioned at the both sides of described portal frame, and the front portion of described semi girder is provided with front shoulder pole girder connecting-perforating frame, and front shoulder pole girder position-adjustable ground cross-under is in described front shoulder pole girder connecting-perforating frame; The rear portion of described semi girder is provided with rear shoulder pole girder connecting-perforating frame, and the ground cross-under of rear shoulder pole girder position-adjustable is in the rear in shoulder pole girder connecting-perforating frame; The two ends of described front shoulder pole girder are respectively arranged with front interior electric hoist and front outer electric hoist, and it is hinged that described front interior electric hoist and described front outer electric hoist carry on the back mould bracing frame respectively by front chain sling and inverted arch; The two ends of described rear shoulder pole girder are respectively arranged with rear interior electric hoist and rear outer electric hoist, it is hinged that described rear outer electric hoist and described rear interior electric hoist carry on the back mould bracing frame respectively by rear chain sling and inverted arch, in described inverted arch back of the body mould bracing frame, be provided with inverted arch back of the body mould.The utility model accurately controls the vertical accurately location of invert form by four automatically controlled cucurbits, stretched by hydraulic control cabinet control front stretching hydraulic cylinder and rear telescopic hydraulic cylinder simultaneously and drive the transverse shifting of front shoulder pole girder and rear shoulder pole girder, the lateral attitude of inverted arch back of the body mould is accurately located, the setting of fixing steel plate ensure that the line style of inverted arch short abutment wall continuous placing is accurate, the universal wheel that chassis base rear portion is arranged makes positioner in the process of walking can horizontal adjustment direction, reaches the object that positioner accurately moves to precalculated position.Concrete configuration block is changed to water tank ballast, during the maintenance of chassis bearing, water is bled off, chassis can be solved because of excessive, dismounting difficulty of conducting oneself with dignity, the problem of the pallet bottom device maintenance difficult caused.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (8)
1. the positioner for the dismounting of tunnel invert back of the body mould, it is characterized in that: comprise chassis base (1), the front end of described chassis base (1) is fixedly installed portal frame (2), semi girder (3) is fixedly connected with in the middle and upper part of described portal frame (2), described semi girder (3) and described chassis base (1) are positioned at the both sides of described portal frame (2), the front portion of described semi girder (3) is provided with front shoulder pole girder connecting-perforating frame (21), the ground cross-under of front shoulder pole girder (9) position-adjustable is in described front shoulder pole girder connecting-perforating frame (21), the rear portion of described semi girder (3) is provided with rear shoulder pole girder connecting-perforating frame (24), and the ground cross-under of rear shoulder pole girder (10) position-adjustable is in the rear in shoulder pole girder connecting-perforating frame (24), the two ends of described front shoulder pole girder (9) are respectively arranged with front interior electric hoist (28) and front outer electric hoist (23), and it is hinged that described front interior electric hoist (28) and described front outer electric hoist (23) carry on the back mould bracing frame (8) respectively by front chain sling (7) and inverted arch, the two ends of described rear shoulder pole girder (9) are respectively arranged with rear interior electric hoist (30) and rear outer electric hoist (26), it is hinged that described rear outer electric hoist (26) and described rear interior electric hoist (30) carry on the back mould bracing frame (8) respectively by rear chain sling (11) and inverted arch, in described inverted arch back of the body mould bracing frame (8), be provided with inverted arch back of the body mould (12).
2. the positioner for the dismounting of tunnel invert back of the body mould according to claim 1, it is characterized in that: described front shoulder pole girder connecting-perforating frame (21) is fixedly installed front stretching hydraulic cylinder (22), the expansion link of described front stretching hydraulic cylinder (22) is fixedly connected with described front shoulder pole girder (9) by front connection baffle plate (27), and described front stretching hydraulic cylinder (22) can regulate the position of front shoulder pole girder (9); Described rear shoulder pole girder connecting-perforating frame (24) is fixedly installed rear telescopic hydraulic cylinder (25), the expansion link of described rear telescopic hydraulic cylinder (25) is fixedly connected with described rear shoulder pole girder (10) by rear connection baffle plate (29), and described rear telescopic hydraulic cylinder (25) can regulate the position of described rear shoulder pole girder (10).
3. the positioner for the dismounting of tunnel invert back of the body mould according to claim 1, it is characterized in that: also comprise fore stay (4) and backstay (5), one end of described fore stay (4) is connected with the upper end of described portal frame (2), and the other end is connected with described semi girder (3); One end of described backstay (5) is connected with the upper end of described portal frame (2), and the other end is connected with the rear end of described chassis base (1).
4. the positioner for the dismounting of tunnel invert back of the body mould according to claim 1, is characterized in that: on described chassis base (1), be also provided with counterweight water tank (6).
5. according to claim 1 for the positioner of tunnel invert back of the body mould dismounting, it is characterized in that: on the tip platform (13) of described inverted arch back of the body mould bracing frame (8), be provided with inner side location-plate (14), described inner side location-plate (14) and tunnel just prop up to be provided with between face (18) locates adjusting screw(rod) (16), the outer side frame of described inverted arch back of the body mould bracing frame (8) is provided with outside posting (15), described outside posting (15) and tunnel just prop up between face (18) and are provided with spacer bars (19), just prop up between face (18) described inverted arch back of the body mould (12) and tunnel and build inverted arch concrete (17).
6. the positioner for the dismounting of tunnel invert back of the body mould according to claim 2, it is characterized in that: described chassis base (1) is also provided with hydraulic control cabinet and switchbox, described hydraulic control cabinet is communicated with described rear telescopic hydraulic cylinder (25) with described front stretching hydraulic cylinder (22) respectively, and described switchbox is electrically connected with described front outer electric hoist (23), described front interior electric hoist (28), described rear outer electric hoist (26) and described rear interior electric hoist (30) respectively.
7. the positioner for the dismounting of tunnel invert back of the body mould according to claim 1, it is characterized in that: the rear portion of described chassis base (1) is provided with universal wheel (32), in positioner moving process, by the lateral attitude of described universal wheel (32) adjustment positioner.
8. the positioner for the dismounting of tunnel invert back of the body mould according to claim 1, is characterized in that: the rear end of described inverted arch back of the body mould bracing frame (8) is provided with fixing steel plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420791457.4U CN204371363U (en) | 2014-12-12 | 2014-12-12 | A kind of positioner for the dismounting of tunnel invert back of the body mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420791457.4U CN204371363U (en) | 2014-12-12 | 2014-12-12 | A kind of positioner for the dismounting of tunnel invert back of the body mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204371363U true CN204371363U (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420791457.4U Expired - Fee Related CN204371363U (en) | 2014-12-12 | 2014-12-12 | A kind of positioner for the dismounting of tunnel invert back of the body mould |
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| Country | Link |
|---|---|
| CN (1) | CN204371363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564103A (en) * | 2014-12-12 | 2015-04-29 | 中铁十九局集团有限公司 | Positioning device used for tunnel invert arch back form disassembly and assembly |
-
2014
- 2014-12-12 CN CN201420791457.4U patent/CN204371363U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564103A (en) * | 2014-12-12 | 2015-04-29 | 中铁十九局集团有限公司 | Positioning device used for tunnel invert arch back form disassembly and assembly |
| CN104564103B (en) * | 2014-12-12 | 2017-01-18 | 中铁十九局集团有限公司 | Positioning device used for tunnel invert arch back form disassembly and assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150603 Termination date: 20161212 |