阅读说明：本技术 一种用于装配式地铁车站拼装台车的自动抬腿装置 (Automatic leg lifting device for assembly trolley of assembled subway station ) 是由 胡云飞 刘泉维 刘远建 胡学龙 黄鹏 王光伟 段世春 马国辉 唐丽茹 张宝 王超 于 2021-07-22 设计创作，主要内容包括：本发明涉及装配式地铁车站施工技术领域,具体涉及用于装配式地铁车站拼装台车的自动抬腿装置,包括设置于台车上的支撑结构和设置于支撑结构上方的支架,所述的支撑结构包括与台车连接的固定支腿和设置于固定支腿上的活动支腿,所述的固定支腿上设置有用于调节活动支腿升降的升降调节结构,还设置有用于锁止或解锁活动支腿的锁定结构,活动支腿的上端与支架可拆卸式连接。本发明在台车上设置抬腿结构,用于支撑上方的支架,在台车行进过程中,抬腿结构通过伸缩调节可避免与支撑立柱结构发生抵触,从而可在免除拆卸支腿的情况下进行台车推进施工,减少了频繁装卸支撑立柱、支腿的情况,提高了施工的效率,也提高了施工的安全保障。(The invention relates to the technical field of construction of an assembly type subway station, in particular to an automatic leg lifting device for an assembly type subway station assembly trolley, which comprises a supporting structure arranged on the trolley and a support arranged above the supporting structure, wherein the supporting structure comprises a fixed supporting leg connected with the trolley and a movable supporting leg arranged on the fixed supporting leg, the fixed supporting leg is provided with a lifting adjusting structure used for adjusting the lifting of the movable supporting leg, the fixed supporting leg is also provided with a locking structure used for locking or unlocking the movable supporting leg, and the upper end of the movable supporting leg is detachably connected with the support. The leg lifting structure is arranged on the trolley and used for supporting the support above, and the leg lifting structure can be prevented from colliding with the support upright post structure through telescopic adjustment in the travelling process of the trolley, so that trolley propelling construction can be carried out under the condition that the support legs are not dismounted, the condition that the support upright posts and the support legs are frequently dismounted is reduced, the construction efficiency is improved, and the construction safety guarantee is also improved.)

1. The utility model provides an automatic leg lifting device that is used for platform truck is assembled to assembled subway station which characterized in that: including setting up bearing structure on the platform truck and setting up in support (1) of bearing structure top, bearing structure include the fixed landing leg of at least three groups of being connected with the platform truck and set up movable landing leg (2) on fixed landing leg, fixed landing leg on be provided with the lift adjustment structure that is used for adjusting movable landing leg (2) and goes up and down, still be provided with the locking structure that is used for locking or unblock movable landing leg (2), the upper end and the detachable connection of support (1) of movable landing leg (2).

2. The automatic leg lifting device for the assembled subway station assembling trolley according to claim 1, wherein: the fixed supporting legs are connected with the movable supporting legs (2) in a sliding mode, and the movable supporting legs (2) stretch along the length direction of the fixed supporting legs.

3. The automatic leg lifting device for the assembled subway station assembling trolley according to claim 1, wherein: the lifting adjusting structure comprises a hydraulic telescopic piece, the hydraulic telescopic piece comprises a fixed end (3) and a telescopic end (6), the fixed end (3) is fixedly connected with the fixed supporting leg, and the telescopic end (6) is fixedly connected with the movable supporting leg (2) and drives the movable supporting leg (2) to lift.

4. The automatic leg lifting device for the assembled subway station assembling trolley according to claim 3, wherein: the fixed supporting leg is provided with a fixing piece, and the fixing piece is fixedly connected with a fixed end (3) of the lifting adjusting mechanism so that the fixed end (3) and the fixed supporting leg are kept relatively fixed.

5. The automatic leg lifting device for the assembled subway station assembling trolley according to claim 4, wherein: the fixing piece comprises a base (7), a pin hole structure is arranged on the base (7), and a bolt (10) is arranged in the pin hole structure and used for connecting and fastening the fixing end (3).

6. The automatic leg lifting device for the assembled subway station assembling trolley according to claim 4, wherein: the fixing piece comprises a base (7), a clamping groove is formed in the base (7), a fastener (8) is further included, the fastener (8) is provided with a clamping groove corresponding to the clamping groove, the fastener (8) and the base (7) are clamped to form a pin hole structure, and a bolt (10) is arranged in the pin hole structure and connects and fastens the fixed end (3).

7. The automatic leg lifting device for the assembled subway station assembling trolley according to claim 3, wherein: the telescopic end (6) is connected with the movable supporting leg (2) through a connecting piece (5).

8. The automatic leg lifting device for the assembled subway station assembling trolley according to claim 7, wherein: the connecting piece (5) enables the telescopic end (6) and the movable supporting leg (2) to form a hinge structure.

9. The automatic leg lifting device for the assembled subway station assembling trolley according to claim 1, wherein: the upper end of the movable supporting leg (2) is provided with a connecting flange, and the support (1) is correspondingly provided with a flange structure.

10. The automatic leg lifting device for the assembled subway station assembling trolley according to claim 1, wherein: the fixed supporting legs are uniformly arranged at intervals along the advancing direction of the trolley.

Technical Field

The invention relates to the technical field of construction of an assembly type subway station, in particular to an automatic leg lifting device for an assembly type subway station assembly trolley.

Background

Along with the continuous development of cities, the mileage of urban subways is continuously increased, the construction technology of the fully prefabricated assembled subway station is rapidly developed, and the fully prefabricated assembled subway station is mainly characterized in that the fully prefabricated assembled subway station is assembled quickly after excavation is finished, the exposure time of a foundation pit is shortened, the construction progress is accelerated, and the road occupation time is shortened.

From the practical application condition of the prefabricated construction technology, the construction amount of component assembly is large, and under the environment that the construction space of an underground station is severely limited, how to improve the assembly speed on the premise of ensuring the quality is the key point of the prefabricated construction. When the assembly trolley is operated, a foundation pit supporting system structure is inevitably spanned, the traditional assembly trolley is realized by disassembling and installing the supporting stand columns on the trolley, the construction difficulty is high, and the construction efficiency is low. Therefore, in the assembly construction process of the subway station, the efficiency of spanning the support columns is higher when the trolley is assembled and travels, and the overall assembly construction efficiency is higher due to the existence of a large number of support column structures; meanwhile, the construction safety is required to be met, and the processes of disassembly, transportation and heavy installation are reduced so as to reduce potential safety hazards.

Therefore, the existing assembly type subway station construction still has a part to be improved urgently, a more reasonable technical scheme needs to be provided, and the defects in the prior art are overcome.

Disclosure of Invention

In order to solve the defects of the prior art mentioned in the above, the invention provides an automatic leg lifting device for an assembly trolley of an assembled subway station, which can improve the construction efficiency and ensure the safety of the construction process.

In order to achieve the purpose, the invention specifically adopts the technical scheme that:

the utility model provides an automatic leg lifting device for platform truck is assembled to assembled subway station, is including setting up bearing structure on the platform truck and setting up in the support of bearing structure top, bearing structure include the fixed landing leg be connected with the platform truck and set up the activity landing leg on fixed landing leg, fixed landing leg on be provided with and be used for adjusting the lift adjustment structure that the activity landing leg goes up and down, still be provided with the locking structure that is used for locking or unblock activity landing leg, the upper end and the detachable connection of support of activity landing leg.

According to the automatic leg lifting device, the purpose of supporting is achieved through the fixed supporting legs and the movable supporting legs, in the process of moving of the trolley, a plurality of groups of fixed supporting legs and movable supporting legs are matched to achieve supporting, and the movable supporting legs and the fixed supporting legs are locked, closed and kept relatively fixed by the locking structure; when the trolley travels and meets the supporting column structure and needs to be spanned, the fixed supporting legs and the movable supporting legs at the front row stride over the supporting column structure in a telescopic mode, the movable supporting legs are unlocked by the locking structures, and the supporting is recovered after the movable supporting legs stride over the supporting structure, so that the supporting column structure is prevented from being frequently disassembled and assembled, the traveling efficiency of the trolley is greatly improved, and the construction safety of the trolley is ensured.

Furthermore, the fixed support leg and the movable support leg adopted in the invention can be longitudinally telescopic and adjustable, and various structures capable of longitudinally telescopic can be adopted, which are not limited uniquely, so that optimization is carried out here and one of the feasible options is provided: the fixed supporting legs are connected with the movable supporting legs in a sliding mode, and the movable supporting legs stretch along the length direction of the fixed supporting legs. When adopting such scheme, the movable support leg jacking is fixed with the leg joint after the top, and when the movable support leg dropped to the bottom, produced the clearance between its and the support, the support post structure can pass through in the clearance when the platform truck marchd.

Still further, can set up fixed landing leg into column or tube-shape specifically, make the activity landing leg cup joint at fixed landing leg, realize fore-and-aft flexible.

Furthermore, the lifting adjusting part in the invention is used as a driving part to drive the movable supporting leg to move relative to the fixed supporting leg in a telescopic way, and the lifting adjusting part can adopt various feasible schemes, and is optimized and one feasible option is provided: the lifting adjusting structure comprises a hydraulic telescopic piece, the hydraulic telescopic piece comprises a fixed end and a telescopic end, the fixed end is fixedly connected with the fixed supporting leg, and the telescopic end is fixedly connected with the movable supporting leg and drives the movable supporting leg to lift. When adopting such scheme, hydraulic telescoping spare can adopt the structure that can carry out the axial expansion such as hydraulic stem.

Furthermore, the fixed leg, which is fixedly connected to the fixed end of the hydraulic telescopic element, can be realized in various ways and structures, which are not limited only, and is optimized here and one of the possible options is: the fixed supporting leg is provided with a fixing piece, and the fixing piece is fixedly connected with the fixed end of the lifting adjusting mechanism so that the fixed end and the fixed supporting leg are relatively fixed.

Still further, the mounting fastens the stiff end connection on the fixed landing leg, can adopt multiple connection structure to realize, optimizes here and sets out one of them feasible selection: the fixing piece comprises a base, a pin hole structure is arranged on the base, and a bolt piece is arranged in the pin hole structure and used for connecting and fastening the fixing end. When adopting such scheme, base and fixed leg fixed connection also are provided with corresponding pinhole structure on the fixed end, and the bolt spare is fixed and is connected the fastening with base and stiff end grafting. Meanwhile, the base may be constructed in various forms, such as two splint structures disposed oppositely, or a connecting bottom plate structure, etc.

Still further, the fixing member that can be used in the present invention is not limited to the form disclosed in the above disclosure, and specifically, the following optimized scheme can be adopted: the fixing piece comprises a base, a clamping groove is formed in the base, a fastener is further included, the fastener is provided with a clamping groove corresponding to the clamping groove, the fastener and the base are clamped to form a pin hole structure, and a bolt is arranged in the pin hole structure and connects and fastens the fixed end. When the mode is adopted, the pin hole structure is formed by matching the base with the fastener, so that the adjustment and installation are facilitated. At the same time, the base can also be designed in various ways in this solution, for example, as two oppositely arranged clamping plate structures.

Further, in the present invention, the telescopic end drives the movable leg to move up and down to achieve telescopic effect, where optimization is performed and one of the feasible options is shown: the telescopic end is connected with the movable supporting leg through a connecting piece. When the scheme is adopted, the connecting piece can be fixedly arranged at the telescopic end and movably connected with the movable supporting leg, or fixedly arranged on the movable supporting leg and movably connected with the telescopic end.

Still further, in order to make the connecting piece better transmit the driving force of the telescopic end to the movable supporting leg, the connecting piece enables the telescopic end and the movable supporting leg to form a hinge structure. When adopting such scheme, the connecting piece includes the fixed part, is provided with the hinge bar on the fixed part, expansion end or activity landing leg setting be connected the complex through-hole structure with the hinge bar.

Further, for better connection of the movable leg to the support, the following possible options are optimized and presented here: the upper end of the movable supporting leg is provided with a connecting flange, and the support is correspondingly provided with a flange structure. When adopting such scheme, the movable support leg jacking to with leg joint, connect fixedly with the bolt after through the flange butt joint.

Still further, in order to improve the support stability of the support, optimization is performed here and one of the possible options is: the fixed supporting legs are uniformly arranged at intervals along the advancing direction of the trolley.

Compared with the prior art, the invention has the beneficial effects that:

the leg lifting structure is arranged on the trolley and used for supporting the support above, and the leg lifting structure can be prevented from colliding with the support upright post structure through telescopic adjustment in the travelling process of the trolley, so that trolley propelling construction can be carried out under the condition that the support legs are not dismounted, the condition that the support upright posts and the support legs are frequently dismounted is reduced, the construction efficiency is improved, and the construction safety guarantee is also improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of the leg raising device arranged on the trolley.

Fig. 2 is a side view of the leg raising device.

Fig. 3 is a schematic view of the overall structure of the leg raising device.

Fig. 4 is a schematic structural view of the fixing member.

Fig. 5 is a schematic structural view of the fixed end and the fixed leg connected by the fixing member.

In the above drawings, the meaning of each symbol is: 1. a support; 2. a movable leg; 3. a fixed end; 4. supporting the column structure; 5. a connecting member; 6. a telescopic end; 7. a base; 8. a fastener; 9. a connecting screw hole; 10. and (4) a bolt.

Detailed Description

The invention is further explained below with reference to the drawings and the specific embodiments.

It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

Example 1

The landing leg structure of platform truck is optimized in order to solve the problem that exists among the prior art to the landing leg structure of this embodiment, and the landing leg structure that will stride across among the prior art can take place to interfere with the support post structure, just has to demolish the landing leg, stridees across the back and installs again, leads to the inefficiency of construction.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, this embodiment discloses an automatic leg lifting device for platform truck is assembled to assembled subway station, including setting up bearing structure on the platform truck and setting up in bearing structure top's support 1, bearing structure include the fixed landing leg be connected with the platform truck and set up the movable landing leg 2 on the fixed landing leg, the fixed landing leg on be provided with the lift adjustment structure that is used for adjusting 2 lifts of movable landing leg, still be provided with the locking structure that is used for locking or unblock movable landing leg 2, movable landing leg 2's upper end and support 1 detachable connection.

Preferably, three groups of fixed legs and movable legs 2 are provided in the present embodiment, and the number of each group of fixed legs and movable legs 2 is at least two.

According to the automatic leg lifting device, the purpose of supporting is achieved through the fixed supporting legs and the movable supporting legs 2, in the moving process of the trolley, a plurality of groups of fixed supporting legs and the movable supporting legs 2 are matched to achieve supporting, and the movable supporting legs 2 and the fixed supporting legs are locked, closed and kept relatively fixed through the locking structure; when the trolley travels and meets the supporting column structure 4 and needs to be spanned, the fixed supporting legs and the movable supporting legs 2 at the front row firstly span the supporting column structure 4 in a telescopic mode, the movable supporting legs 2 are unlocked by the locking structure, and the supporting is recovered after the supporting structure is spanned, so that the supporting column structure 4 is prevented from being frequently disassembled and assembled, the traveling efficiency of the trolley is greatly improved, and the construction safety of the trolley is ensured.

The fixed leg and the movable leg 2 adopted in the embodiment are longitudinally telescopic and adjustable, and various structures capable of longitudinally telescoping can be adopted, which are not limited uniquely, so that the embodiment is optimized and adopts one feasible choice: the fixed supporting legs are connected with the movable supporting legs 2 in a sliding mode, and the movable supporting legs 2 stretch along the length direction of the fixed supporting legs. When adopting such scheme, activity landing leg 2 jacks up behind the top and is connected fixedly with support 1, and when activity landing leg 2 descends to the bottom, produce the clearance between it and the support 1, and support column structure 4 can pass through in the clearance when the platform truck marchs.

Preferably, in this embodiment, the fixed leg may be specifically configured to be cylindrical or tubular, so that the movable leg 2 is sleeved on the fixed leg to achieve longitudinal extension and retraction. Specifically, fixed landing leg and activity landing leg 2 are square, the inside cavity of fixed landing leg, and activity landing leg 2 sets up inside fixed landing leg and vertically stretches out and draws back along fixed landing leg.

The lifting adjusting part in this embodiment is used as a driving part to drive the movable supporting leg 2 to move relative to the fixed supporting leg in a telescopic manner, and the lifting adjusting part can adopt a plurality of feasible schemes, and is optimized and one of feasible options is provided: the lifting adjusting structure comprises a hydraulic telescopic piece, the hydraulic telescopic piece comprises a fixed end 3 and a telescopic end 6, the fixed end 3 is fixedly connected with the fixed supporting leg, and the telescopic end 6 is fixedly connected with the movable supporting leg 2 and drives the movable supporting leg 2 to lift.

Preferably, in the present embodiment, the hydraulic telescopic element is configured to be axially telescopic by a hydraulic rod or the like.

Preferably, the fixed leg is fixedly connected to the fixed end 3 of the hydraulic telescopic element, which can be achieved in various ways and structures, without being limited thereto, and is optimized here and one of the possible options is: the fixed supporting leg is provided with a fixing piece, and the fixing piece is fixedly connected with the fixed end 3 of the lifting adjusting mechanism so that the fixed end 3 and the fixed supporting leg are relatively fixed.

Preferably, as a possible option, the present embodiment discloses a fixing member structure, and the fixing member connects and fastens the fixing end 3 to the fixing leg, which can be realized by using various connecting structures, and is optimized and taken out one of the possible options: the fixing piece comprises a base 7, a pin hole structure is arranged on the base 7, and 10 bolts are arranged in the pin hole structure and connect and fasten the fixing end 3. When adopting such scheme, base 7 and fixed landing leg fixed connection also are provided with corresponding pinhole structure on the stiff end 3, and 10 bolts are pegged graft fixedly and are connected the fastening with base 7 and stiff end 3. Meanwhile, the base 7 may be constructed in various forms, such as two splint structures disposed oppositely, or a connecting bottom plate structure, etc.

In this embodiment, the telescopic end 6 drives the movable leg 2 to move up and down to achieve the telescopic function, and this embodiment is optimized and adopts one of the feasible options: the telescopic end 6 is connected with the movable supporting leg 2 through a connecting piece 5. When adopting such scheme, connecting piece 5 can fix and set up in flexible end 6 and with activity landing leg 2 swing joint, or fix and set up on activity landing leg 2 and with flexible end 6 swing joint.

Preferably, in order to make the connecting member 5 transmit the driving force of the telescopic end 6 to the movable leg 2 better, the connecting member 5 makes the telescopic end 6 and the movable leg 2 form a hinge structure. When adopting such scheme, connecting piece 5 includes the fixed part, is provided with the hinge bar on the fixed part, expansion end or activity landing leg 2 set up and be connected complex through-hole structure with the hinge bar.

In this embodiment, the connecting member 5 is fixedly connected to the telescopic end 6 or the movable leg 2 by welding. In other embodiments, the connecting member 5 may be fixed by bolting or the like.

For a better connection of the mobile leg 2 to the support 1, the following possible options are optimized and presented here: the upper end of the movable supporting leg 2 is provided with a connecting flange, and the support 1 is correspondingly provided with a flange structure. When adopting such scheme, activity landing leg 2 jacking is to being connected with support 1, connects fixedly with the bolt after through the flange butt joint.

In order to increase the stability of the support 1, optimization is carried out here and one of the possible options is: the fixed supporting legs are uniformly arranged at intervals along the advancing direction of the trolley.

Example 2

The embodiment discloses an automatic leg lifting device for platform truck is assembled to assembled subway station, including setting up bearing structure on the platform truck and setting up in the support 1 of bearing structure top, bearing structure include the fixed leg who is connected with the platform truck and set up the activity landing leg 2 on the fixed leg, the fixed leg on be provided with the lift adjustment structure that is used for adjusting 2 lifts of activity landing leg, still be provided with the locking structure that is used for locking or unblock activity landing leg 2, the upper end and the support 1 detachable connection of activity landing leg 2.

The embodiment adopts different fixing piece structures, and the structure is as follows:

as shown in fig. 4 and 5, the fixing member that can be used in the present embodiment is not limited to the form disclosed in the above embodiment, and specifically, the following optimized scheme can be used: the mounting include base 7, be provided with the draw-in groove on the base 7, still include fastener 8, be provided with on the fastener 8 with the draw-in groove that the draw-in groove corresponds and fastener 8 and base 7 between the block form pinhole structure, pinhole structure in be provided with bolt 10 and with 3 connection fastening of stiff end. When the mode is adopted, the base 7 is matched with the fastener 8 to form a pin hole structure, so that the adjustment and installation are facilitated. At the same time, the base 7 can also be designed in various ways in this solution, for example as two oppositely arranged clamping plate structures.

In this embodiment, the base 7 and the fastener are both provided with a connection screw hole 9, and the base 7 and the fastener 8 are connected and fixed by a connection bolt.

Other structures and components in this embodiment are the same as those in embodiment 1, and are not described herein again.

The above embodiments are just exemplified in the present embodiment, but the present embodiment is not limited to the above alternative embodiments, and those skilled in the art can obtain other various embodiments by arbitrarily combining with each other according to the above embodiments, and any other various embodiments can be obtained by anyone in light of the present embodiment. The above detailed description should not be construed as limiting the scope of the present embodiments, which should be defined in the claims, and the description should be used for interpreting the claims.