CN215256222U - Multi-template type two-lining trolley for tunnel construction - Google Patents
Multi-template type two-lining trolley for tunnel construction Download PDFInfo
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- CN215256222U CN215256222U CN202121500085.1U CN202121500085U CN215256222U CN 215256222 U CN215256222 U CN 215256222U CN 202121500085 U CN202121500085 U CN 202121500085U CN 215256222 U CN215256222 U CN 215256222U
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Abstract
The utility model provides a multi-template type two-lining trolley for tunnel construction, which at least comprises a template, a portal frame positioned in the template and a foot support positioned at the bottom of the template and connected with the template, wherein the portal frame is provided with an arm frame type pouring device, the template is provided with more than two templates, the overall structure of the template is arched and comprises a top template, two shoulder templates connected with the two ends of the top template, two side templates connected below the shoulder templates and a bottom overturning template connected with the side templates, wherein the shoulder template is movably connected with the side template to further realize the retraction of the template, the utility model can make the template be stretched and stretched through the portal frame, the foot supports, the hoist crane and the accessory device and mutually pass between the templates to realize the continuity of the second-lining construction, and the operation personnel is reduced, the potential safety hazard is reduced, and the method has the advantages of low cost, simplicity in operation and efficiency improvement.
Description
Technical Field
The utility model belongs to the tunnel construction field especially relates to a two lining platform trucks of multi-template formula for tunnel construction.
Background
The shield machine is adopted to tunnel in railway and water conservancy tunnel construction, the two-lining trolley is adopted to carry out lining support, but the existing trolley structure in China is mostly in the form of a single portal and a single template, and the trolley structure can not enable the two-lining construction to follow the tunnel face construction, so that the two-lining construction efficiency is slower than the shield construction efficiency, and the whole construction progress of the tunnel is restricted. In order to solve the above problems, there are two methods: the first method adopts a two-lining springboard construction, namely, in order to ensure the safe distance between the two linings and the tunnel face, one trolley carries out the springboard construction in the front and back areas, but the two-lining construction of the method can not form a ring continuously before and after, and has potential safety hazards; the second method is to use two trolleys for construction, but this method is expensive and requires more labor for construction. Therefore in order to solve the problem of second lining efficiency, a platform truck structural style that one carries two has been researched, as having announced in patent CN 210564567U that can be under construction tunnel gradual change cross section two lining platform trucks, including first two lining platform trucks and second two lining platform trucks in this utility model, both form the loudspeaker shape of gradual change cross section, second two lining platform trucks can be under construction in the tunnel to second two lining platform trucks can move in the inside of first two lining platform trucks, but this kind of structure only is used for gradual change cross section such as tunnel portal, can't be applied to the second lining construction in the tunnel. Therefore, it is necessary to develop a multi-form type two-lining bogie for tunnel construction.
Disclosure of Invention
The utility model provides a two lining platform trucks of multi-template formula for tunnel construction, this utility model make the template can stretch and contract and walk each other between the template through portal, heel brace, calabash hang and auxiliary device, realize the continuity of two lining constructions to reduce operating personnel and reduced the potential safety hazard, have low cost, easy operation and the advantage of raising the efficiency.
In order to realize the utility model discloses the technical scheme that above-mentioned purpose adopted does:
a multi-template type two-lining trolley for tunnel construction at least comprises a template, a portal positioned in the template and a foot support positioned at the bottom of the template and connected with the template, wherein the portal is provided with an arm support type pouring device, the template is provided with more than two, the overall structure of the template is arched and comprises a top template, two shoulder templates connected to two ends of the top template, two side templates connected below the shoulder templates and a bottom overturning template connected with the side templates, the top template is fixedly connected with the shoulder templates, the shoulder templates are movably connected with the side templates through ear plates, the angle between the shoulder templates and the side templates can be adjusted, the bottom overturning template is movably connected with the side templates through ear plates, the angle between the bottom overturning template and the foot support are connected through ear plates; the auxiliary devices are arranged on the inner sides of the shoulder template, the side template and the bottom turnover template in the template and are assembled by telescopic pull rods, connecting rods and trusses, and the auxiliary devices strengthen and fix the connection strength between the shoulder template and the side template and the connection strength between the side template and the bottom turnover template; a hoist crane used for overturning and hanging the bottom overturning template is also installed in the template, the top end of the hoist crane is connected with the side template, and the bottom end of the hoist crane is connected with the bottom of the bottom overturning template when the bottom overturning template is overturned; the crossbeam top in the portal is connected and supports the template wholly through otic placode and shoulder template, and the flexible stand inside vertical of portal is provided with and is used for flexible first hydro-cylinder, still is connected with the second hydro-cylinder on the flexible stand, the both ends of second hydro-cylinder are connected with side form board and flexible stand through the otic placode respectively.
The portal frame comprises a diagonal draw bar, two supporting mechanisms, two walking mechanisms and a truss girder, wherein the two walking mechanisms are positioned below the supporting mechanisms, and the supporting mechanisms and the walking mechanisms are positioned at two ends of the truss girder and connected with the truss girder.
The supporting mechanism comprises a cross beam and telescopic columns vertically connected with two ends of the cross beam, the cross beam and the telescopic columns form a structure shaped like a Chinese character 'men', and the bottoms of the telescopic columns are fixed on the trussed beams.
The walking mechanism comprises transverse moving and lifting modules, a driving walking module and a driven walking module, the transverse moving and lifting modules are located at the head end and the tail end of the truss girder and are fixedly connected with the truss girder, and the driving walking module and the driven walking module are located between the transverse moving and lifting modules and are installed below the truss girder.
The four diagonal draw bars are arranged, the top of each diagonal draw bar is connected with the end part of the cross beam, the bottom of each diagonal draw bar is connected with the truss through the ear plate, and the four diagonal draw bars form a stable stress system.
The shoulder template and the side template are all set to be inclined planes, the shoulder template and the side template are hinged through the lug plate on the outer side of the joint, the shoulder template and the side template are connected through the screw rod on the inner side of the joint, the shoulder template, the side template and the screw rod form a triangular movable space together, and the shoulder template and the side template stretch out and draw back through the screw rod to realize angle adjustment between the shoulder template and the side template.
The cantilever type pouring device comprises a sensor and a control mechanism.
The number of the telescopic pull rods and the number of the connecting rods in the auxiliary device are four, and the number of the trusses is three.
The telescopic pull rod and the connecting rod are connected with the shoulder template, the side template and the bottom turnover template through the ear plates.
The telescopic pull rod is connected with the connecting rod through a pin shaft, the top of the truss is connected with the connecting rod through a bolt, and the bottom of the truss is connected with the connecting rod through a pin shaft.
Compared with the prior art, the beneficial effects of the utility model reside in that: 1. the utility model discloses a flexible lead screw realizes adduction of side form board and puts outward, hang through the calabash and realize the enstrophe of bottom upset template and put outward and hang, make the template can contract to can rely on the portal to carry in other completely expanded templates in the tunnel and pass, and can pass through portal support template after passing, expand and support through lead screw, calabash and accessory, and then realize the platform truck structural style of carrying two, realize the continuity of two lining constructions in the tunnel, the efficiency of two lining construction is improved, the labor intensity is reduced, accelerate the whole construction progress, have simple to operate, easy operation and advantage that degree of automation is high simultaneously; 2. the utility model discloses an attached device in the template and heel brace make the template can rely on self structural strength to bear the pressure that produces when concreting, need not the portal and support, and flexible pull rod and the connecting rod is collapsible to be fixed on the template lateral wall among the attached device simultaneously, expandes and connects through the truss during the use, have nimble application, occupation space, easy operation and labour saving and time saving's advantage.
Drawings
FIG. 1 is a schematic structural view of a multi-template type two-lining trolley provided by the present invention;
fig. 2 is a schematic structural diagram of the template provided by the present invention;
fig. 3 is a side view of fig. 2 provided by the present invention;
fig. 4 is a schematic structural diagram of the gantry provided by the present invention;
fig. 5 is a side view of fig. 4 provided by the present invention;
fig. 6 is a schematic diagram of a second step according to the embodiment of the present invention;
fig. 7 is a schematic diagram of a third step of the embodiment of the present invention;
fig. 8 is a schematic diagram of step four according to the embodiment of the present invention;
fig. 9 is a side view of fig. 8 provided by the present invention;
fig. 10 is a schematic diagram of a sixth step according to the embodiment of the present invention;
fig. 11 is a side view of fig. 10 provided by the present invention;
in the figure: 1-formwork, 2-portal frame, 3-screw rod, 4-accessory device, 5-foot support, 6-truss, 7-telescopic pull rod, 8-pouring window, 9-top formwork, 10-shoulder formwork, 11-side formwork, 12-connecting rod, 13-bottom turnover formwork, 14-ear plate, 15-pin shaft, 16-first oil cylinder, 17-telescopic upright post, 18-transverse lifting module, 19-driving walking module, 20-truss beam, 21-driven walking module, 22-second oil cylinder, 23-second formwork, 24-first formwork, 25-cross beam and 26-diagonal pull rod.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The embodiment provides a multi-template type two-lining trolley for tunnel construction, which at least comprises a template 1, a portal 2 positioned in the template and a foot support 5 positioned at the bottom of the template and connected with the template, wherein the portal is provided with an arm support type pouring device, the arm support type pouring device comprises a sensor and a control mechanism, the template is provided with more than two templates, the integral structure of the template is arch-shaped, the template is provided with a pouring window 8, the multi-template type two-lining trolley comprises a top template 9, two shoulder templates 10 connected with two ends of the top template, two side templates 11 connected below the shoulder templates and a bottom overturning template 13 connected with the side templates, wherein the top template is fixedly connected with the shoulder templates, the shoulder templates are movably connected with the side templates through the ear plates, the angle between the shoulder templates and the side templates can be adjusted, the joints of the shoulder templates and the side templates are both arranged as inclined planes, and the shoulder templates and the side templates are hinged through the ear plates 14 at the outer sides of the joints, the inner sides of the joints of the shoulder template and the side template are connected through a screw rod, the shoulder template, the side template and the screw rod 3 form a triangular movable space together, the shoulder template and the side template realize angle adjustment through the extension and retraction of the screw rod, the bottom turnover template and the side template are movably connected through ear plates, the angle between the bottom turnover template and the side template can be adjusted, and the bottom end of the bottom turnover template is connected with a foot support through the ear plates;
the auxiliary device 4 is arranged on the inner sides of the shoulder template, the side template and the bottom turnover template in the template and is formed by assembling a telescopic pull rod 7, a connecting rod 12 and a truss 6, the number of the telescopic pull rod and the connecting rod in the auxiliary device is four, the number of the truss is three, the telescopic pull rod and the connecting rod are connected with the shoulder template, the side template and the bottom turnover template through ear plates, the telescopic pull rod is connected with the connecting rod through a pin shaft 15, the top of the truss is connected with the connecting rod through a bolt, the bottom of the truss is connected with the connecting rod through a pin shaft, and the auxiliary device reinforces and fixes the connection strength between the shoulder template and the side template and the connection strength between the side template and the bottom turnover template; a hoist crane used for overturning and hanging the bottom overturning template is also installed in the template, the top end of the hoist crane is connected with the side template, and the bottom end of the hoist crane is connected with the bottom of the bottom overturning template when the bottom overturning template is overturned;
the portal frame comprises diagonal draw bars 26, two supporting mechanisms, two traveling mechanisms and a truss girder 20, wherein the two traveling mechanisms are positioned below the supporting mechanisms, the supporting mechanisms and the traveling mechanisms are positioned at two ends of the truss girder and are connected with the truss girder, the number of the diagonal draw bars is four, the top of each diagonal draw bar is connected with the end part of a cross beam, the bottom of each diagonal draw bar is connected with the truss girder through an ear plate, and the three form a stable stress system; the supporting mechanism comprises a cross beam 25 and telescopic columns 17 vertically connected with two ends of the cross beam, the cross beam and the telescopic columns form a structure in the shape of a Chinese character 'men', and the bottoms of the telescopic columns are fixed on the trussed beams; the walking mechanism comprises a transverse moving lifting module 18, a driving walking module 19 and a driven walking module 21, the transverse moving lifting modules are positioned at the head end and the tail end of the truss girder and fixedly connected with the truss girder, and the driving walking module and the driven walking module are positioned between the transverse moving lifting modules and are arranged below the truss girder; the crossbeam top in the portal is connected and supports the template wholly through otic placode and shoulder template, and the flexible stand inside vertical of portal is provided with and is used for flexible first hydro-cylinder 16, still is connected with second hydro-cylinder 22 on the flexible stand, the both ends of second hydro-cylinder are connected with side form board and flexible stand through the otic placode respectively.
The number of the formworks in the multi-formwork type two-lining trolley for tunnel construction provided by the embodiment is two, as shown in fig. 8, the formworks are respectively a second formwork 23 and a first formwork 24, and the construction process comprises the following steps:
(1) a cross beam of an outer portal frame of a tunnel portal is connected with a shoulder template of a first template through an ear plate, two ends of a second oil cylinder are respectively connected with a side template and a telescopic upright post through the ear plate, the portal frame carries the first template into the tunnel through a traveling mechanism to travel to an initial position needing second lining construction, after the portal frame enters the tunnel, a bottom turnover template is connected with a foot support through the ear plate, an attachment device is installed on the first template to support the first template, a telescopic pull rod in the attachment device is connected with the shoulder template, the side template and the ear plate on the bottom turnover template, the telescopic pull rod is connected with a connecting rod through a pin shaft, the connecting rod at the bottom of the attachment device is connected with the ear plate on the bottom turnover template, the top of a truss is connected with the connecting rod through a bolt, the bottom of the truss is connected with the connecting rod through the pin shaft, so that the first template forms a stable stressed structure without the portal frame support, then, the connection between the beam of the portal frame and the shoulder template of the first template and the connection between the second oil cylinder and the side template are removed;
(2) the pouring trolley enters the first template, and a pouring window on the first template is accurately positioned through the cantilever type pouring device on the portal frame, so that concrete pouring operation is carried out, and concrete curing is carried out after pouring is finished, as shown in fig. 6;
(3) the gantry retreats to the lower part of the second template through the walking mechanism, as shown in fig. 7;
(4) connecting a cross beam of a portal frame with a shoulder template of a second template through ear plates, connecting two ends of a second oil cylinder with a side template and a telescopic upright post through the ear plates respectively, contracting a screw rod in the second template to reduce the angle of the joint of the side template and the shoulder template, contracting the second oil cylinder to draw the side template inwards to pass through a first template in a tunnel, hanging a top end hook of a hoist crane on the top of the side template, hanging a bottom end hook of the hoist crane on the ear plate at the bottom of a bottom overturning template, operating the hoist crane to lift the bottom overturning template upwards until the whole bottom overturning template is overturned inwards to the inner side of the second template, hanging the bottom overturning template on the inner side of the second template by the hoist crane after overturning is completed, and contracting the first oil cylinder to reduce the height of the top template, as shown in fig. 8 and 9;
(5) the portal carries the second template to move forward through the first template to the next second lining construction site to be cast through the walking mechanism;
(6) after a portal carries a second template to move forwards to pass through the first template, the portal lifts the first oil cylinder to lift the second template upwards, a screw rod in the second template stretches out to enlarge the angle of the joint of the side template and the shoulder template, the second oil cylinder lifts the side template outwards, the bottom turnover template is descended downwards by an operating hoist crane to the initial position before the bottom turnover template is lifted, the bottom turnover template is connected with the side template and a foot support through an ear plate after the turnover of the bottom turnover template is finished, an accessory device is arranged on the second template to support the second template after the connection of the bottom turnover template is finished, a telescopic pull rod in the accessory device is connected with the shoulder template, the side template and the ear plate on the bottom turnover template, the telescopic pull rod is connected with a connecting rod through a pin shaft, the connecting rod at the bottom of the accessory device is connected with the ear plate on the bottom turnover template, the top of the truss is connected with the connecting rod through a bolt, the bottom of the truss is connected with the connecting rod through a pin shaft, so that the second template forms a stable stress structure without being supported by a portal frame, and then the connection between the beam of the portal frame and the shoulder template and the connection between the second oil cylinder and the side template are disassembled, as shown in fig. 10 to 11;
(7) repeating the steps (2) - (6), enabling the first template and the second template to alternately pass through, and continuously working until the second lining construction of the tunnel is completed, wherein when the step (4) is repeated, the attachment device and the bottom turnover template are detached from connection with the foot supports, namely when the portal enters the first template again and is connected with the first template, the telescopic pull rod in the attachment device is detached from connection with the connecting rod, the telescopic pull rod is contracted and folded into the inner side of the first template, the truss is detached from connection with the connecting rod, and the connecting rod is connected with the side template of the first template and the ear plate on the shoulder template and folded into the inner side of the first template; and the portal enters the first template again to be connected with the first template, and then the connection between the ear plate at the bottom of the bottom turnover template and the foot support is removed.
Claims (10)
1. The utility model provides a two lining platform trucks of many template formulas for tunnel construction, includes the template at least, is located the portal of template and is located the template bottom and rather than the heel brace of being connected, and the portal is equipped with the cantilever type and pours device, its characterized in that: the template is provided with more than two templates, the overall structure of the template is arched and comprises a top template, two shoulder templates connected to two ends of the top template, two side templates connected below the shoulder templates and a bottom overturning template connected with the side templates, wherein the top template is fixedly connected with the shoulder templates, the shoulder templates are movably connected with the side templates through lugs, the angle between the shoulder templates and the side templates can be adjusted, the bottom overturning template is movably connected with the side templates through lugs, the angle between the bottom overturning template and the side templates can be adjusted, and the bottom end of the bottom overturning template is connected with a foot support through lugs; the auxiliary devices are arranged on the inner sides of the shoulder template, the side template and the bottom turnover template in the template and are assembled by telescopic pull rods, connecting rods and trusses, and the auxiliary devices strengthen and fix the connection strength between the shoulder template and the side template and the connection strength between the side template and the bottom turnover template; a hoist crane used for overturning and hanging the bottom overturning template is also installed in the template, the top end of the hoist crane is connected with the side template, and the bottom end of the hoist crane is connected with the bottom of the bottom overturning template when the bottom overturning template is overturned; the crossbeam top in the portal is connected and supports the template wholly through otic placode and shoulder template, and the flexible stand inside vertical of portal is provided with and is used for flexible first hydro-cylinder, still is connected with the second hydro-cylinder on the flexible stand, the both ends of second hydro-cylinder are connected with side form board and flexible stand through the otic placode respectively.
2. The multi-form two-liner trolley for tunnel construction according to claim 1, wherein: the portal frame comprises a diagonal draw bar, two supporting mechanisms, two walking mechanisms and a truss girder, wherein the two walking mechanisms are positioned below the supporting mechanisms, and the supporting mechanisms and the walking mechanisms are positioned at two ends of the truss girder and connected with the truss girder.
3. The multi-form two-liner trolley for tunnel construction according to claim 2, wherein: the supporting mechanism comprises a cross beam and telescopic columns vertically connected with two ends of the cross beam, the cross beam and the telescopic columns form a structure shaped like a Chinese character 'men', and the bottoms of the telescopic columns are fixed on the trussed beams.
4. The multi-form two-liner trolley for tunnel construction according to claim 2, wherein: the walking mechanism comprises transverse moving and lifting modules, a driving walking module and a driven walking module, the transverse moving and lifting modules are located at the head end and the tail end of the truss girder and are fixedly connected with the truss girder, and the driving walking module and the driven walking module are located between the transverse moving and lifting modules and are installed below the truss girder.
5. The multi-form two-liner trolley for tunnel construction according to claim 2, wherein: the four diagonal draw bars are arranged, the top of each diagonal draw bar is connected with the end part of the cross beam, the bottom of each diagonal draw bar is connected with the truss through the ear plate, and the four diagonal draw bars form a stable stress system.
6. The multi-form two-liner trolley for tunnel construction according to claim 1, wherein: the shoulder template and the side template are all set to be inclined planes, the shoulder template and the side template are hinged through the lug plate on the outer side of the joint, the shoulder template and the side template are connected through the screw rod on the inner side of the joint, the shoulder template, the side template and the screw rod form a triangular movable space together, and the shoulder template and the side template stretch out and draw back through the screw rod to realize angle adjustment between the shoulder template and the side template.
7. The multi-form two-liner trolley for tunnel construction according to claim 1, wherein: the cantilever type pouring device comprises a sensor and a control mechanism.
8. The multi-form two-liner trolley for tunnel construction according to claim 1, wherein: the number of the telescopic pull rods and the number of the connecting rods in the auxiliary device are four, and the number of the trusses is three.
9. The multi-form two-liner trolley for tunnel construction according to claim 1, wherein: the telescopic pull rod and the connecting rod are connected with the shoulder template, the side template and the bottom turnover template through the ear plates.
10. The multi-form two-liner trolley for tunnel construction according to claim 1, wherein: the telescopic pull rod is connected with the connecting rod through a pin shaft, the top of the truss is connected with the connecting rod through a bolt, and the bottom of the truss is connected with the connecting rod through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121500085.1U CN215256222U (en) | 2021-07-02 | 2021-07-02 | Multi-template type two-lining trolley for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121500085.1U CN215256222U (en) | 2021-07-02 | 2021-07-02 | Multi-template type two-lining trolley for tunnel construction |
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| Publication Number | Publication Date |
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| CN215256222U true CN215256222U (en) | 2021-12-21 |
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| CN202121500085.1U Active CN215256222U (en) | 2021-07-02 | 2021-07-02 | Multi-template type two-lining trolley for tunnel construction |
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2021
- 2021-07-02 CN CN202121500085.1U patent/CN215256222U/en active Active
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