CN210598998U - Shield tunnel synchronous lining full-circle template trolley - Google Patents
Shield tunnel synchronous lining full-circle template trolley Download PDFInfo
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- CN210598998U CN210598998U CN201921104480.0U CN201921104480U CN210598998U CN 210598998 U CN210598998 U CN 210598998U CN 201921104480 U CN201921104480 U CN 201921104480U CN 210598998 U CN210598998 U CN 210598998U
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Abstract
The utility model belongs to the technical field of tunnel special mechanical equipment. A shield tunnel synchronous lining full-circle formwork trolley comprises a trolley body, a trolley travelling part, a walkway arranged in the middle of the trolley body, formwork support travelling parts arranged on two sides of the trolley body and formworks, wherein a front ramp and a rear ramp are respectively arranged at the front end and the rear end of the trolley body; the plurality of templates are sequentially hinged and arranged around the trolley body in the circumferential direction, and a vertical demoulding assembly is arranged between the templates and the template supporting and walking part. The utility model has the advantages of reasonable design, it can carry out secondary lining's construction simultaneously along with the tunnelling construction of shield structure machine, can not influence the transport of slagging tap, section of jurisdiction transport and mortar, has solved the problem that most current shield constructs the method tunnel in need secondary lining operating efficiency low.
Description
Technical Field
The utility model belongs to the technical field of the special mechanical equipment in tunnel, concretely relates to shield constructs synchronous lining cutting full circle template platform truck in method tunnel.
Background
With the vigorous development of underground space, the vigorous popularization of a shield construction method and the high-speed development of tunnel construction mechanization. In the construction of deep-buried tunnels, the tunneling by adopting a shield machine becomes a mature performance of the prior art. After the segments of the tunnel excavated by the shield are assembled, the concrete can be cast outside the segments of the tunnel once again due to the consideration of the stress of the tunnel or the leakage prevention of water. However, when the shield is tunneled, a transport vehicle is required to carry out slag discharge, duct piece transportation and mortar transportation. Cast-in-place concrete often affects the shield tunneling machine, and the shield tunneling machine stops working. If the tunnel is perforated and then lined with two liners, the construction period is greatly prolonged. The problem that needs to be solved at present is to synchronously carry out the construction of the two-lining concrete while not influencing the shield tunneling. With the continuous development of society towards mechanical automation, tunnel construction puts higher demands on mechanization.
Disclosure of Invention
The utility model aims at the problem that above-mentioned exists with not enough, provide a shield structure method tunnel synchronization lining full circle form trolley, solved most current shield structure method tunnel in need the low problem of secondary lining operating efficiency, have advantages such as mechanized degree height, personnel low in labor strength, construction speed are fast, construction quality guarantees.
In order to achieve the purpose, the adopted technical scheme is as follows:
the utility model provides a shield constructs synchronous lining full circle template platform truck in method tunnel, includes: the front end and the rear end of the trolley body are respectively provided with a front ramp and a rear ramp; the trolley traveling part is arranged at the bottom of the trolley body and is used for driving the trolley body to travel in the tunnel; the walkway is arranged in the middle of the trolley body and corresponds to the front ramp and the rear ramp; the template supporting and walking parts are arranged on two sides of the trolley body; the template is sequentially hinged and wound around the trolley body in the circumferential direction, a vertical demoulding assembly is arranged between the template and the template supporting walking part, the vertical demoulding assembly drives the template to switch between a vertical mould state and a demoulding state, and the template supporting walking part drives the template to reciprocate on the trolley body.
According to the utility model discloses shield constructs synchronous lining cutting full circle template platform truck in method tunnel, preferably, the platform truck body includes: two longitudinal beams correspondingly arranged left and right; the plurality of beams are distributed between the two longitudinal beams; the two template supporting and traveling parts are respectively arranged on the two longitudinal beams, the walkway is positioned between the two longitudinal beams, a walkway track is arranged on the cross beam, and ramp tracks in butt joint with the walkway tracks are arranged on the front ramp and the rear ramp.
According to the utility model discloses shield constructs synchronous lining cutting full circle template platform truck in method tunnel, preferably, the platform truck walking portion includes: the front support leg is arranged at the front part of the trolley body, and a trolley travelling wheel is arranged at the bottom of the front support leg; the rear supporting legs are arranged at the rear part of the trolley body, and trolley travelling wheels are arranged at the bottoms of the rear supporting legs; and the trolley traveling driving parts are arranged at the front part or/and the rear part of the trolley body and are in transmission connection with the corresponding trolley traveling wheels.
According to the utility model discloses shield constructs synchronous lining cutting full circle template platform truck in method tunnel, preferably, the template supports the walking portion and includes: a left support table; a right support platform; and the lower parts of the left support platform and the right support platform are provided with a template walking wheel and a template walking driving part, and the left support platform and the right support platform synchronously act.
According to the utility model discloses shield constructs synchronous lining cutting full circle template platform truck in method tunnel, preferably, found drawing of patterns subassembly including setting up each the template with template supports the regulation power push rod between the running part.
According to the utility model discloses shield method tunnel synchronous lining full circle template trolley, preferably, the vertical demoulding assembly also comprises a support rod, the support rod is a support screw rod arranged between each template and the template support walking part; an adjusting power push rod is also arranged between at least part of two adjacent templates; the adjusting power push rod is any one of a hydraulic cylinder, an air cylinder and an electric push rod.
According to the utility model discloses shield structure method tunnel synchronization lining cutting full circle template platform truck, preferably, be provided with the sprue gate in the template, the inclined plane of the butt joint face for matcing the laminating that folds mouthful of two templates that are located both ends.
According to the utility model discloses shield method tunnel synchronous lining full circle template platform truck, preferably, still include anti-floating support unit, anti-floating support unit includes that circumference is fixed to be set up a plurality of anti-floating power push rods on the template; and under the state of erecting the mold, the action end of the anti-floating power push rod props against the wall surface of the tunnel.
According to the utility model discloses shield structure method tunnel synchronization lining cutting full circle template platform truck, preferably, the length of platform truck body does at least two times of the length of template, preceding ramp with back ramp all with the platform truck body is articulated, just is in preceding ramp with between the platform truck body back ramp with all be provided with every single move lifting power push rod between the platform truck body.
By adopting the technical scheme, the beneficial effects are as follows:
the utility model has the advantages of reasonable design, it can carry out secondary lining's construction simultaneously along with the tunnelling construction of shield structure machine, can not influence the transport of slagging tap, section of jurisdiction transport and mortar, has solved the problem that most current shield constructs the method tunnel in need secondary lining operating efficiency low.
The construction method has the advantages of high degree of mechanization, low labor intensity of personnel, high construction speed, construction quality guarantee and the like. In the working process, the automatic mechanical formwork erection and demoulding can be realized, the station switching is convenient, the supporting efficiency is high, the pouring time of a single section can be greatly reduced, and the construction efficiency is improved; the utility model provides a setting of platform truck body, it can walk between the first lining in tunnel and two linings, forms current passageway simultaneously at the middle part, avoids causing the interference to other construction process, and overall stability is good, and the action is convenient.
In the operation process, the alternating step-changing operation mode can be realized, and the ordered and continuous operation of the whole construction step is ensured; each template is provided with a pouring gate, so that multi-point pouring can be realized, and the pouring compactness is guaranteed; the connection structure of the vertical demoulding assembly and the formwork and the arrangement of the anti-floating supporting unit can greatly ensure the stability of formwork support, improve the construction quality and avoid the occurrence of formwork running.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
Fig. 1 is according to the utility model discloses shield method tunnel synchronization lining cutting full circle template platform truck's schematic structure diagram.
Fig. 2 is according to the utility model discloses shield method tunnel synchronization lining cutting full circle template platform truck's side view structure schematic diagram.
Fig. 3 is according to the utility model discloses shield method tunnel synchronization lining cutting full circle template platform truck's template is packed up the state schematic diagram.
Number in the figure:
101 is a longitudinal beam, 102 is a cross beam, 103 is a front supporting leg, 104 is a rear supporting leg, 105 is a trolley travelling wheel, 106 is a trolley travelling driving part, 107 is a front ramp, 108 is a rear ramp and 109 is a walkway track;
201 is a template, 202 is a sprue gate and 203 is a butt joint surface;
a left support table 301, a right support table 302 and a template traveling driving part 303;
401 is an adjusting power push rod, 402 is a supporting screw rod;
501 is an anti-floating supporting unit.
Detailed Description
In order to make the purpose, technical features and technical effects of the technical solution of the present invention clearer, the drawings of the embodiments of the present invention are combined together, and the example solution of the embodiments of the present invention is clearly and completely described.
Referring to fig. 1-3, the utility model relates to a shield tunnel synchronous lining full circle formwork trolley, which comprises a trolley body, a trolley walking part, a walkway arranged in the middle of the trolley body, formwork support walking parts arranged on two sides of the trolley body and formworks 201, wherein the front end and the rear end of the trolley body are respectively provided with a front ramp 107 and a rear ramp 108; the trolley travelling part is arranged at the bottom of the trolley body and used for driving the trolley body to travel in the tunnel; the walkway is arranged corresponding to the front ramp and the rear ramp; the plurality of templates 201 are sequentially hinged and arranged around the trolley body in the circumferential direction, a vertical demolding assembly is arranged between the templates and the template supporting and walking portion, the vertical demolding assembly drives the templates to switch between a vertical mold and a demolding state, and the template supporting and walking portion drives the templates 201 to reciprocate on the trolley body.
In this embodiment, the trolley traveling part includes a front support leg 103, a rear support leg 104, and a trolley traveling drive part 106, the front support leg 103 is disposed at the front part of the trolley body, and a trolley traveling wheel 105 is disposed at the bottom of the front support leg 103; the rear supporting legs 104 are arranged at the rear part of the trolley body, trolley travelling wheels 105 are arranged at the bottoms of the rear supporting legs 104, and the front supporting legs 103 and the rear supporting legs 104 are correspondingly arranged left and right; the trolley walking driving parts 106 are arranged at the front part or/and the rear part of the trolley body and are in transmission connection with corresponding trolley walking wheels 105, and the trolley walking driving parts in the embodiment are arranged at the rear part of the trolley body; the trolley traveling driving part adopts a driving motor, the trolley traveling wheels are track wheels, the driving motor and the track wheels are supported by traveling on a track laid in the tunnel, and meanwhile, chain transmission is adopted between the driving motor and the track wheels. For the stability of whole platform truck of further improvement under the state of pouring, can also set up flexible support column at the both ends of platform truck body, when treating that the platform truck removes to the work segment section, the stable support of whole platform truck is realized on flexible support column shore ground.
Because the whole trolley needs to cross the primary lining and the secondary lining, the trolley travelling wheels 105 positioned at the front part are supported on the track on the primary lining, the trolley travelling wheels positioned at the rear part are supported on the track on the secondary lining with stable strength after solidification, the height of the front supporting leg and the height of the rear supporting leg have a certain height difference, and the front supporting leg and the rear supporting leg can also be set as lifting supporting legs, so that the trolley is convenient to walk on a horizontal track and is also convenient to walk on two sections of tracks with a certain height difference in the front and the rear.
The trolley body in the embodiment comprises two longitudinal beams 101 and a cross beam 102 which are correspondingly arranged left and right, and a plurality of cross beams 102 are distributed between the two longitudinal beams 101; the two templates 201 support the walking parts and are respectively arranged on the two longitudinal beams 101, the walkway is positioned between the two longitudinal beams 101, the cross beam 102 is provided with a walkway track 109, and the front ramp 107 and the rear ramp 108 are both provided with ramp tracks butted with the walkway track 109. The walkway track and the ramp track are butted with a transportation track laid in the tunnel, so that a complete transportation supporting track is formed, and vehicles in other procedures can pass conveniently.
Because the formwork 201 is formed by hinging a plurality of (4 in this embodiment) formwork pieces and wraps the two longitudinal beams in the circumferential direction, a sufficient height difference needs to be reserved between the longitudinal beam 101 and the bottom surface of the tunnel, so that the formwork can be conveniently expanded and contracted.
The template of this embodiment supports walking portion includes left branch brace platform 301, right branch brace platform 302 and template walking wheel, all be provided with template walking wheel and template walking drive portion 303 in left branch brace platform 301 and right branch brace platform 302 lower part, and left branch brace platform 301 and the synchronous action of right branch brace platform 302, template walking drive portion 303 adopts driving motor, it is connected through chain drive between the template walking wheel, the template walking wheel adopts the rail wheel, set up the track that corresponds with the rail wheel on the longeron, perhaps left branch brace platform and right branch brace platform bottom set up U type spout or sliding sleeve, U type spout or sliding sleeve and the longeron sliding fit that corresponds, and then realize the relative action of sliding, perhaps adopt the structure that other walking supported, guarantee left branch brace platform and right branch brace platform's stability.
The vertical demoulding assembly in the embodiment comprises an adjusting power push rod 401 and a support rod which are arranged between each template 201 and the template supporting walking part, wherein the support rod is a support screw rod 402 arranged between each template and the template supporting walking part; an adjusting power push rod 401 is also arranged between at least part of two adjacent templates 201; the adjusting power push rod 401 is any one of a hydraulic cylinder, an air cylinder and an electric push rod, and in the embodiment, a hydraulic cylinder is selected. The adjusting power push rod 401 is mainly used for unfolding and folding the template 201, automatic template supporting is achieved, positioning is completed, the supporting screw rod 402 is mainly used for jacking, main stress is applied through the supporting screw rod 402 in the pouring process, the pressure of the adjusting power push rod is relieved, main acting force is not borne or part of the adjusting power push rod bears relatively small acting force, and the auxiliary supporting screw rod 402 stabilizes the template.
In order to avoid the phenomenon of mold running in the casting process and cause the casting quality to be unqualified, the anti-floating support unit 501 is further arranged, and the anti-floating support unit 501 comprises a plurality of anti-floating power push rods which are circumferentially and fixedly arranged on the template 201; and under the state of erecting the mold, the action end of the anti-floating power push rod props against the wall surface of the tunnel. In the process of regional and staged pouring through the plurality of pouring gates 202, the templates 201, the supporting screw rods 402, the adjusting power push rods 401 and the like are stressed and changed, and the distance between each template and the wall surface of the tunnel can be kept stable by the top support of the plurality of anti-floating power push rods arranged in the circumferential direction, so that the template running is prevented.
In this embodiment, a plurality of pouring ports 202 are provided on each formwork, and the abutting surface 203 of the closure ports of the two formworks 201 at the two ends is an inclined surface matched and attached to facilitate the unfolding of the formworks 201 and the demolding action, and after the formworks 201 are unfolded and supported, the pouring ports 202 are connected with pouring pipelines, and concrete is poured through a concrete pumping system.
In order to facilitate the unfolding of the templates, it can be determined that one template 201 performs directional motion in the unfolding and folding processes, and the other templates are unfolded and folded by taking the template as a center; if set up guide bar and uide bushing on template and the template support walking portion of bottommost respectively for the template of bottommost moves from top to bottom, other rather than articulated template around the template swing of bottommost, realize the action of expandeing and receipts, thereby be more convenient for control the position of template, also be more convenient for lay and adjust power push rod and bracing piece, optimize the atress of each member, avoid because the position of template takes place the skew, each member atress is uncontrollable, leads to the damage of each member.
In order to realize the step changing action and the continuous operation, the length of the trolley body in the embodiment is at least twice of that of the template, the front ramp 107 and the rear ramp 108 are hinged with the trolley body, pitching lifting power push rods are arranged between the front ramp 107 and the trolley body and between the rear ramp 108 and the trolley body, and when the trolley body moves, the front ramp 107 and the rear ramp 108 are lifted through the pitching lifting power push rods, so that the whole device can conveniently move.
The shield machine performs tunneling, grouting and duct piece assembling on a tunnel face, and performs secondary lining construction synchronously by using the shield method tunnel synchronous lining full-circle formwork trolley, and the method specifically comprises the following steps:
a. moving a shield tunnel synchronous lining full-circle template trolley to an operation section, and adjusting a template to move to a lining station;
b. unfolding the template through a vertical demoulding assembly and completing the support of the template;
c. starting a concrete pumping system, and pouring operation of each area is carried out through a pouring gate arranged on a template until the whole station is filled and poured;
d. after the concrete is initially set, demolding by a vertical demolding assembly;
e. driving the template to advance along the trolley body by the template supporting and walking part, moving to the next lining station, and repeating the steps b-d to complete the secondary lining pouring construction of the station;
f. and after the strength of the concrete is stable, paving a track, and driving the trolley to move to the next operation section by the trolley travelling part for cyclic operation.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes may be made to the above specific embodiments without departing from the scope of the present invention, and various combinations of the technical features and structures of the present invention may be implemented without departing from the scope of the present invention, which is defined by the appended claims.
Claims (9)
1. The utility model provides a shield constructs synchronous lining cutting full circle template platform truck of method tunnel which characterized in that includes:
the front end and the rear end of the trolley body are respectively provided with a front ramp and a rear ramp;
the trolley traveling part is arranged at the bottom of the trolley body and is used for driving the trolley body to travel in the tunnel;
the walkway is arranged in the middle of the trolley body and corresponds to the front ramp and the rear ramp;
the template supporting and walking parts are arranged on two sides of the trolley body; and
the template, the polylith the template articulates in proper order and the parallel winding the circumference of platform truck body is arranged, the template with be provided with between the template support walking portion and found drawing of patterns subassembly, found drawing of patterns subassembly drive the template switches the action under mould and drawing of patterns state, the template supports the walking portion and drives the template is in reciprocating motion on the platform truck body.
2. The synchronous lining full circle template trolley for shield tunnel according to claim 1, wherein the trolley body comprises:
two longitudinal beams correspondingly arranged left and right; and
the cross beams are distributed between the two longitudinal beams;
the two template supporting and traveling parts are respectively arranged on the two longitudinal beams, the walkway is positioned between the two longitudinal beams, a walkway track is arranged on the cross beam, and ramp tracks in butt joint with the walkway tracks are arranged on the front ramp and the rear ramp.
3. The synchronous lining full-circle formwork trolley for the shield tunnel according to claim 1, wherein the trolley walking part comprises:
the front support leg is arranged at the front part of the trolley body, and a trolley travelling wheel is arranged at the bottom of the front support leg;
the rear supporting legs are arranged at the rear part of the trolley body, and trolley travelling wheels are arranged at the bottoms of the rear supporting legs; and
and the trolley traveling driving parts are arranged at the front part or/and the rear part of the trolley body and are in transmission connection with the corresponding trolley traveling wheels.
4. The synchronous lining full circle template trolley for the shield tunnel according to claim 1, wherein the template supporting walking part comprises:
a left support table;
a right support platform; and
and the lower parts of the left support platform and the right support platform are provided with a template walking wheel and a template walking driving part, and the left support platform and the right support platform synchronously act.
5. The synchronous lining full circle formwork trolley for the shield tunnel according to claim 1 or 4, wherein the vertical demoulding assembly comprises an adjusting power push rod arranged between each formwork and the formwork support walking part.
6. The shield tunnel synchronous lining full circle formwork trolley according to claim 1, wherein the vertical demoulding assembly further comprises a support rod, and the support rod is a support screw rod arranged between each formwork and the formwork support walking part; an adjusting power push rod or a support rod is also arranged between at least part of two adjacent templates;
the adjusting power push rod is any one of a hydraulic cylinder, an air cylinder and an electric push rod.
7. The synchronous lining full-circle template trolley for the shield tunnel according to claim 1, wherein a pouring gate is arranged on the template, and the butt joint surface of the folding ports of the two templates at the two ends is a matched and attached inclined surface.
8. The shield tunnel synchronous lining full-circle formwork trolley according to claim 1, further comprising an anti-floating supporting unit, wherein the anti-floating supporting unit comprises a plurality of anti-floating power push rods which are circumferentially and fixedly arranged on the formwork; and under the state of erecting the mold, the action end of the anti-floating power push rod props against the wall surface of the tunnel.
9. The synchronous lining full circle formwork trolley for shield tunnel according to claim 1, wherein the length of the trolley body is at least twice of the length of the formwork, the front ramp and the rear ramp are hinged with the trolley body, and pitching and lifting power push rods are arranged between the front ramp and the trolley body and between the rear ramp and the trolley body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921104480.0U CN210598998U (en) | 2019-07-15 | 2019-07-15 | Shield tunnel synchronous lining full-circle template trolley |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921104480.0U CN210598998U (en) | 2019-07-15 | 2019-07-15 | Shield tunnel synchronous lining full-circle template trolley |
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| CN210598998U true CN210598998U (en) | 2020-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374632A (en) * | 2019-07-15 | 2019-10-25 | 中铁工程装备集团隧道设备制造有限公司 | Shield tunnel synchronization lining wholecircle formwork jumbo and construction method |
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2019
- 2019-07-15 CN CN201921104480.0U patent/CN210598998U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374632A (en) * | 2019-07-15 | 2019-10-25 | 中铁工程装备集团隧道设备制造有限公司 | Shield tunnel synchronization lining wholecircle formwork jumbo and construction method |
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