CN217479007U

CN217479007U - Lifting platform for synchronous construction of shield and contact channel

Info

Publication number: CN217479007U
Application number: CN202221575932.5U
Authority: CN
Inventors: 谭伟生; 江化墙; 向卓; 王鉴; 李建宁; 辜勤昆; 刘荣
Original assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ Urban Rail Engineering Co Ltd
Current assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ Urban Rail Engineering Co Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-23
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to a shield constructs with synchronous construction lift platform of contact passageway, including the mount and locate the lift platform of the lateral wall of mount, it is equipped with the lead screw to rotate on the mount, the lead screw is vertical setting, threaded connection has the lift seat on the lead screw, lift platform fixed connection is in the lift seat, be provided with on the mount and be used for driving the lead screw to rotate, in order to make the drive assembly of the vertical lift of the relative mount of lift platform, be provided with on the mount and be used for locking the lead screw, in order to make the highly stable locking assembly of the vertical lift of the relative mount of lift platform, still be provided with the supporting component who is used for carrying out the support to lift platform on the mount. This application has and rotates through drive assembly drive lead screw, drives the vertical lift of the relative mount of lift seat, makes the vertical lift of the relative mount of lift platform to reduce staff's intensity of labour, improved staff's work efficiency, and reduced the effect of the incident emergence's of staff's work progress risk.

Description

Lifting platform for synchronous construction of shield and contact channel

Technical Field

The utility model belongs to the technical field of the shield structure construction technique and specifically relates to a shield constructs and constructs lifting platform with synchronous construction of contact passageway.

Background

In shield construction, a shield connecting passage is generally arranged between two tunnels to form a passage arranged between the two tunnels, and the functions of communication, drainage, fire prevention and the like are achieved. If a problem occurs on the whole tunnel, the pedestrian can be transferred to another tunnel through the communication channel, and the safety factor of the pedestrian is greatly increased, so that the tunnel is called as an escape channel. When a problem occurs in one tunnel, the rescue workers can reach the contact channel from the other tunnel and then enter the place needing rescue through the contact channel, and the purpose of quick rescue is achieved.

In the related technology, before the construction of the connecting channel, a freezing method is needed to freeze water in the stratum, loose water-containing rock soil is changed into frozen soil, the strength and the stability of the rock soil are improved, underground water is isolated, so that the excavating operation of the connecting channel is carried out under the protection of a frozen wall. In order to reduce the labor intensity of manual carrying, improve the working efficiency and realize mechanization of construction, a shield and contact channel synchronous construction lifting platform is necessary to be designed.

SUMMERY OF THE UTILITY MODEL

In order to improve among the correlation technique staff when being under construction to the contact passageway, because construction items are more, staff's intensity of labour is great, phenomenon that work efficiency is low, this application provides a shield constructs and contact passageway synchronous construction lift platform.

The application provides a shield constructs with synchronous construction lift platform of contact passageway adopts following technical scheme:

the utility model provides a shield constructs and synchronous construction lift platform of contact passageway, includes the mount and locates the lift platform of the lateral wall of mount, it is provided with the lead screw to rotate on the mount, the lead screw is vertical setting, threaded connection has the lift seat on the lead screw, lift platform fixed connection is in the lift seat, be provided with on the mount and be used for driving the lead screw and rotate to make the drive assembly of the vertical lift of the relative mount of lift platform, still be provided with on the mount and be used for locking the lead screw to make the highly keep stable locking assembly of the vertical lift of the relative mount of lift platform, still be provided with on the mount and be used for carrying out the supporting component that supports to lift platform.

By adopting the technical scheme, during construction, workers carry out the construction of drilling and tamping the connecting channel and installing the condenser pipe on the lifting platform, the screw rod is driven to rotate by the driving component, so that the lifting seat vertically lifts relative to the fixed frame along the length direction of the screw rod, thereby realizing the vertical lifting of the lifting platform relative to the fixed frame, further, when workers carry out the construction of drilling, pipe tamping and condenser pipe installation on the communication channel, the lifting platform is driven to lift relative to the fixed frame, the lifting platform is used for transferring equipment and materials, the labor intensity of workers is reduced, the working efficiency is improved, the rotating shaft is locked through the locking assembly, so that the height of the lifting platform is kept stable, and the lifting platform is supported through the supporting assembly, so that the lifting platform can be in a stable state when workers perform construction on the lifting platform. Compared with construction in modes such as a climbing frame and a scaffold in the related art, the lifting assembly drives the lifting seat to vertically lift along the length of the screw rod relative to the fixing frame, so that the lifting platform vertically lifts relative to the fixing frame, workers can utilize the lifting platform to transport equipment and materials, construction operation is performed on the lifting platform, the manual transportation of the construction equipment and the materials is not needed, the working strength of the workers is reduced, the working efficiency is improved, and safety risks are reduced.

Preferably, the driving assembly comprises a driving motor fixedly arranged on the fixing frame, an output shaft of the driving motor is connected with a reduction gearbox, and an output shaft of the reduction gearbox is fixedly connected to the screw rod.

Through adopting above-mentioned technical scheme, driving motor output reduces output through the reducing gear box in to the reducing gear box, makes the slew velocity of lead screw slow to make the lift seat can slowly follow the vertical lift of the relative mount of the length direction of lead screw, lift platform can slowly relatively the vertical lift of mount promptly, comparatively stable when making the vertical lift of lift platform relative mount.

Preferably, the locking assembly comprises a worm wheel sleeved on the screw rod and a worm matched with a worm tooth, the worm wheel is sleeved on the end portion of the screw rod, the worm is rotatably connected to the fixing frame, and the output shaft of the reduction gearbox is fixedly connected to one end, far away from the worm wheel, of the worm.

Through adopting above-mentioned technical scheme, utilize driving motor and reducing gear box drive worm to rotate, it rotates to drive the worm wheel, make the lead screw take place to rotate, thereby make the relative mount vertical lift of the length direction of lift seat edge lead screw, lift platform can the vertical lift of mount relatively promptly, utilize the auto-lock characteristic of worm wheel and worm, lock the lead screw, thereby make when carrying out the operation at the arbitrary height to the interconnection passageway, lift platform homoenergetic keeps stable state, be difficult for appearing the risk that lift platform descends by oneself, the emergence of incident has been avoided.

Preferably, still be provided with two montants on the mount, two the montant symmetry sets up in the both sides of lead screw, and two montants all are vertical setting, two the spout has all been seted up to the relative one side of montant, the both sides of seat that goes up and down all are provided with and are used for sliding the slider of being connected with two spouts.

Through adopting above-mentioned technical scheme, make the seat that goes up and down when the vertical lift of the relative mount of length direction along the silk pole, through the cooperation of montant and slider, make the seat that goes up and down difficult emergence skew when the vertical lift of the relative mount of length direction along the silk pole to make lift platform can be steadily relative vertical lift of mount.

Preferably, the supporting component includes the lifter that sets up between two montants and sets up the bracing piece on the lifter, and the lifter sets up along the length direction of perpendicular to montant, sets up the even and be used for with lead screw thread fit's screw on the lifter, and the lifter is located the below of lift seat, and slides respectively at the both ends of lifter and connect in two montants, and the one end of bracing piece articulates in the lateral wall of lifter, and the other end of bracing piece articulates in lift platform's bottom side.

Through adopting above-mentioned technical scheme, when making the drive lead screw rotate, drive the relative mount vertical lift of length direction of lift seat along the lead screw to make the vertical lift of the relative mount of lift platform, meanwhile, the lifter is along the vertical lift of the relative mount of length direction of lifter under the drive of lead screw, drive the bracing piece along with lift platform and the vertical lift of the relative mount of lifter, make the bracing piece can always support lift platform, improved lift platform's stability.

Preferably, the fixing frame is further provided with a fixing rod, the fixing rod is located at the same side as the lifting platform, one end of the fixing rod is fixedly connected to the top surface of the fixing frame, and the other end of the fixing rod is fixedly connected to the inner wall of the tunnel.

Through adopting above-mentioned technical scheme, make mount fixed connection in the tunnel, guaranteed the stability of mount, when making the staff construct on lift platform, the difficult emergence of mount is rocked.

Preferably, the fixing frame is further provided with a vehicle passing channel for the transport vehicle to pass through, and the vehicle passing channel penetrates through the fixing frame.

Through adopting above-mentioned technical scheme, make the staff when constructing the connecting passageway, the transport vechicle of transporting dregs in the tunnel can normally transport the dregs that tunnel main part excavation produced to do not influence the construction of tunnel main part

Preferably, the lifting platform is further provided with a guardrail, the guardrail is arranged along the circumferential direction of the lifting platform, and the guardrail is fixedly connected to the edge of the lifting platform.

Through adopting above-mentioned technical scheme, the guardrail can protect lift platform's border, when making the staff carry out construction on lift platform, is difficult for dropping from lift platform, has ensured staff's personal safety, has reduced the safety risk.

In summary, the present application includes at least one of the following beneficial technical effects:

1. this application passes through drive assembly drive lead screw and rotates, drive the vertical lift of the relative mount of length direction of lift seat edge lead screw, make the vertical lift of the relative mount of lift platform, thereby make the staff when drilling the interconnection way, when ramming construction operations such as pipe and installation condenser pipe, utilize lift platform to the transportation of construction equipment and material, need not artifical construction equipment and material of transporting, staff's intensity of labour has been reduced, and the staff can carry out the operation of co-altitude not on lift platform, work efficiency is higher. The screw rod is locked through the locking assembly, so that the lifting height of the lifting platform is kept stable, the lifting platform is supported through the supporting assembly, the stability of the lifting platform is guaranteed, and the risk of safety accidents is reduced;

2. this application rotates through the drive lead screw, drives the lifter and follows the vertical lift of the relative workstation of the length direction of lead screw, drives the vertical lift of the relative mount of bracing piece, and when making the vertical lift of the relative dead lever of lift platform, the bracing piece can continuously support lift platform, has ensured lift platform's stability, has reduced the risk that the incident was sent out and is risen.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a view showing the present embodiment with the tunnel removed;

FIG. 3 is a schematic view for showing the fitting relationship between the lifting seat and the working platform;

FIG. 4 is an enlarged view of portion A of FIG. 2;

FIG. 5 is a partial sectional view of the present embodiment;

fig. 6 is a partial display view of fig. 5.

Description of reference numerals: 1. a tunnel; 2. a fixed mount; 3. a lifting platform; 4. a guide rail; 5. a transport vehicle; 6. a vehicle passing channel; 7. a guardrail; 8. a screw rod; 9. a lifting seat; 10. a drive motor; 11. a reduction gearbox; 12. a worm gear; 13. a worm; 14. a protective cover; 15. a vertical rod; 16. a chute; 17. a slider; 18. a lifting rod; 19. a sliding block; 20. a support bar; 21. a fixing rod; 22. and (3) carrying a plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The utility model provides a shield constructs with synchronous construction lift platform of contact passageway, refer to fig. 1 and fig. 2, including setting up mount 2 in tunnel 1 and setting up lift platform 3 on mount 2, the bottom side in tunnel 1 is provided with guide rail 4, it is connected with transport vechicle 5 that is used for transporting the dregs to slide on guide rail 4, mount 2 spans guide rail 4, and offer on the mount 2 and be used for supplying transport vechicle 5 to pass through to cross car passageway 6, it runs through mount 2 to cross car passageway 6, and the size and the 5 looks adaptations of transport vechicle of passing through car passageway 6. The lifting platform 3 is arranged in a cuboid shape, and one side of the lifting platform 3 is connected to the side wall of the fixing frame 2 in a sliding mode. In addition, still be provided with guardrail 7 on lift platform 3, guardrail 7 sets up along lift platform 3's circumference direction, and guardrail 7 is fixed to be set up in lift platform 3's border department.

Referring to fig. 2 and 4, the fixing frame 2 is rotatably provided with a screw rod 8, the screw rod 8 is vertically arranged, and referring to fig. 3, the screw rod 8 is threadedly connected with a lifting seat 9, the lifting seat 9 is arranged in a rectangular shape, and the side wall of the lifting seat 9 is fixedly connected to the lifting platform 3. The fixing frame 2 is provided with a driving component for driving the screw rod 8 to rotate so as to enable the lifting platform 3 to vertically lift relative to the fixing frame 2 along the length direction of the screw rod 8. Specifically, drive assembly is including fixed driving motor 10 that sets up on mount 2, and driving motor 10 is servo motor, and driving motor 10 is located the bottom of mount 2, and driving motor 10's output shaft fixedly connected with reducing gear box 11, and reducing gear box 11's output shaft fixed connection is in lead screw 8. Through the rotation of driving motor 10 drive lead screw 8, drive lead screw 8 and rotate, make lift seat 9 along the vertical lift of the length direction of lead screw 8 to drive the relative 2 vertical lifts of mount of lift platform 3, and then make things convenient for the staff to accomplish on lift platform 3 to the drilling of contact passageway, ram work such as pipe, installation freezing pipe.

Referring to fig. 2 and 4, the fixing frame 2 is further provided with a locking assembly for locking the screw rod 8 so as to keep the height of the lifting platform 3 vertically lifted relative to the fixing frame 2 stable. Specifically, the locking assembly comprises a worm wheel 12 sleeved on the screw rod 8 and a worm 13 matched with the worm wheel 12 in a meshed manner, the worm wheel 12 is sleeved on the end portion of the screw rod 8, the worm 13 is rotatably connected to the fixing frame 2, and the output shaft of the reduction gearbox 11 is fixedly connected to one end, far away from the worm wheel 12, of the worm 13. In addition, the fixed frame 2 is further provided with a protective cover 14, the worm wheel 12 and the worm 13 are both accommodated in the protective cover 14, and one end of the worm 13 far away from the worm wheel 12 extends out of the protective cover 14.

Referring to fig. 5 and 6, still be provided with two montants 15 on the mount 2, two montants 15 all set up along the length direction of lead screw 8, and two montant 15 symmetries set up in the both sides of lead screw 8, and spout 16 has all been seted up towards one side of lead screw 8 to two montants 15, and two spout 16 all slide and be connected with slider 17, and two sliders 17 deviate from one side difference fixed connection in the both sides of lift seat 9 of spout 16. Through the arrangement of the sliding groove 16 and the sliding block 17, when the lifting seat 9 slides along the length direction of the screw rod 8, the lifting seat 9 is not easy to deviate.

Referring to fig. 5 and 6, the fixed frame 2 is further provided with a supporting assembly for supporting the lifting platform 3. Specifically, the support assembly includes a lifting rod 18 disposed between two vertical rods 15 and a support rod 20 disposed on the lifting rod 18. The lifting rod 18 is arranged along the length direction perpendicular to the vertical rod 15, a screw hole used for being in threaded fit with the screw rod 8 is formed in the lifting rod 18, sliding blocks 19 used for being in sliding fit with the two sliding grooves 16 are respectively arranged at two ends of the lifting rod 18, in the embodiment, the number of the supporting rods 20 is two, and the two groups of supporting rods 20 are symmetrically arranged on the side wall of the lifting rod 18. The support rod 20 is disposed in an inclined manner, one end of the support rod 20 is hinged to the side wall of the lifting rod 18, and the other end of the support rod 20 is hinged to the bottom side of the lifting platform 3. Through the setting of bracing piece 20 and lifter 18, make the staff carry out the during operation at lift platform 3, bracing piece 20 can support lift platform 3, and bracing piece 20 can go up and down along with lift platform 3's lift to make bracing piece 20 can continuously support lift platform 3, and then when making the staff construct on lift platform 3, lift platform 3 can keep the steady state.

Referring to fig. 5 and 6, the fixing frame 2 is provided with four fixing rods 21, the two fixing rods 21 are a set, the two fixing rods 21 are symmetrically arranged on two sides of the fixing frame 2, and one set of the fixing rods 21 is located above the lifting platform 3. One end of the fixing rod 21 is fixedly connected to the top surface of the fixing frame 2, and the other end of the fixing rod 21 is fixedly connected to the inner wall of the tunnel 1 through a bolt.

Referring to fig. 5 and 6, the fixing frame 2 is further provided with a plurality of bearing plates 22 for workers to pass through, the plurality of bearing plates 22 are sequentially connected to the top surface of the fixing frame 2, and if the rod bearing plate 22 is provided with a hook for hooking and fixing the rod bearing plate to the fixing frame 2. In this embodiment, the number of the hooks on each bearing plate 22 is four, the four hooks are divided into two groups, two hooks in each group, and the two groups of hooks are symmetrically arranged on two sides of the bearing plate 22.

The implementation principle of the application is as follows: during the construction, the staff stands on lift platform 3, rotate through driving motor 10 drive worm 13, drive worm wheel 12 and rotate, make lead screw 8 take place to rotate, thereby make lift seat 9 along the relative mount 2 vertical lifts of length direction of lead screw 8, drive lift platform 3 along the relative mount 2 vertical lifts of length direction of lead screw 8, thereby make the staff can drill to the contact passageway opening part in tunnel 1, ram the pipe, a series of constructions such as installation cryovial, and to equipment through lift platform 3, the material is transported, staff's intensity of labour has been reduced, and work efficiency is improved. And support lift platform 3 through bracing piece 20, make the stability of workstation preferred, reduced the risk that the incident takes place.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a shield constructs with synchronous construction lift platform of contact passageway which characterized in that: lifting platform (3) including mount (2) and the lateral wall of locating mount (2), it is provided with lead screw (8) to rotate on mount (2), lead screw (8) are vertical setting, threaded connection has lift seat (9) on lead screw (8), lifting platform (3) fixed connection is in lift seat (9), be provided with on mount (2) and be used for driving lead screw (8) and rotate to make the drive assembly of lifting platform (3) relative mount (2) vertical lift, still be provided with on mount (2) and be used for locking lead screw (8), highly keep stable locking assembly with the vertical lift of messenger lifting platform (3) relative mount (2), still be provided with on mount (2) and be used for carrying out the supporting component that supports lifting platform (3).

2. The shield constructs with synchronous construction lift platform of contact passageway according to claim 1, characterized in that: the driving assembly comprises a driving motor (10) fixedly arranged on the fixing frame (2), an output shaft of the driving motor (10) is connected with a reduction gearbox (11), and an output shaft of the reduction gearbox (11) is fixedly connected to the screw rod (8).

3. The shield constructs with synchronous construction lift platform of contact passageway according to claim 2, characterized in that: the locking assembly comprises a worm wheel (12) sleeved on the screw rod (8) and a worm (13) matched with the worm (13) in a meshed manner, the worm wheel (12) is sleeved on the end portion of the screw rod (8), the worm (13) is rotatably connected to the fixing frame (2), and the output shaft of the reduction gearbox (11) is fixedly connected to one end, far away from the worm wheel (12), of the worm (13).

4. The shield constructs with synchronous construction lift platform of contact passageway according to claim 1, characterized in that: still be provided with two montants (15) on mount (2), two montant (15) symmetry sets up in the both sides of lead screw (8), and just two montants (15) all are vertical setting, two spout (16) have all been seted up to one side that montant (15) are relative, the both sides of lift seat (9) all are provided with and are used for sliding slider (17) of being connected with two spout (16).

5. The shield constructs with synchronous construction lift platform of contact passageway according to claim 1, characterized in that: the supporting component is including setting up lifter (18) between two montants (15) and setting up bracing piece (20) on lifter (18), lifter (18) set up along the length direction of perpendicular to montant (15), set up the idol on lifter (18) and be used for with lead screw (8) screw-thread fit's screw, lifter (18) are located the below of lift seat (9), and the both ends of lifter (18) slide respectively and connect in two montants (15), the one end of bracing piece (20) articulates in the lateral wall of lifter (18), and the other end of bracing piece (20) articulates in the bottom side of lift platform (3).

6. The shield constructs with synchronous construction lift platform of contact passageway according to claim 1, characterized in that: the tunnel fixing device is characterized in that a fixing rod (21) is further arranged on the fixing frame (2), one end of the fixing rod (21) is fixedly connected to the top surface of the fixing frame (2), and the other end of the fixing rod (21) is fixedly connected to the inner wall of the tunnel (1).

7. The shield constructs with synchronous construction lift platform of contact passageway according to claim 1, characterized in that: the fixing frame (2) is further provided with a vehicle passing channel (6) for the transport vehicle (5) to pass through, and the vehicle passing channel (6) penetrates through the fixing frame (2).

8. The shield constructs and synchronous construction lift platform of contact passageway of claim 1 which characterized in that: the lifting platform is characterized in that a guardrail (7) is further arranged on the lifting platform (3), the guardrail (7) is arranged along the circumferential direction of the lifting platform (3), and the guardrail (7) is fixedly connected to the edge of the lifting platform (3).