CN219840652U

CN219840652U - TBM section of jurisdiction lining support secondary slip casting rack

Info

Publication number: CN219840652U
Application number: CN202321324297.8U
Authority: CN
Inventors: 许明堂; 何博; 李扬; 王金铜; 周斌科; 黄成�; 陈宇航; 周陈龙
Original assignee: China State Railway Investment Construction Group Co Ltd; China Construction Third Bureau Construction Engineering Co Ltd
Current assignee: China State Railway Investment Construction Group Co Ltd; China Construction Third Bureau Group Co Ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-10-17
Anticipated expiration: 2033-05-29

Abstract

The utility model discloses a TBM duct piece lining support secondary grouting bench, which belongs to the technical field of shield and TBM subway tunnel construction and comprises a base, wherein the upper end face of the base is provided with a first fixing frame, a top plate is fixedly connected to the first fixing frame, a sliding groove is formed in the first fixing frame, a lifting mechanism is arranged on the top plate and comprises a motor, a rotating rod, a fixed block, a winding wheel and a steel cable, the bench is fixedly connected to the steel cable and comprises a bottom plate, a guardrail, a protective door and a sliding block, a braking mechanism is arranged on the sliding block and comprises an electromagnet, an armature, a spring, a connecting rod and a friction plate, a grouting machine is arranged on the base, a hydraulic pump is arranged on the bottom plate, the grouting machine is connected with the hydraulic pump through a telescopic grouting pipe, the problem that secondary grouting cannot be performed on duct pieces with different heights is solved, and meanwhile the safety problem of the bench is also solved.

Description

TBM section of jurisdiction lining support secondary slip casting rack

Technical Field

The utility model belongs to the technical field of shield and TBM subway tunnel construction, and particularly relates to a TBM duct piece lining support secondary grouting bench.

Background

In shield and TBM excavation construction, after the section of jurisdiction is assembled, need in time carry out the secondary slip casting, and the secondary slip casting needs to operate on every ring section of jurisdiction, need set up the scaffold frame and just can carry out the slip casting to the arch top part, consequently people often use TBM section of jurisdiction lining to strut the secondary slip casting rack and carry out the secondary slip casting to the section of jurisdiction, and the benefit of doing so is that it is more convenient to make the secondary slip casting, has improved the security of secondary slip casting simultaneously.

The utility model discloses a TBM segment lining support secondary grouting bench, which comprises a bracket, an upper steel plate, an upright post, a rail wheel, an electric drive rail wheel, a guardrail, a ladder stand, a support rod and a lower steel plate.

In the process of secondary grouting by using the stand, secondary grouting work is needed to be carried out on positions with different heights, and the stability of the stand is gradually reduced along with the rising of the height of the stand, so that the stand cannot be stopped in time when falling due to unexpected situations, and meanwhile, the stability of the stand is further reduced if the grouting machine is placed on the stand due to the overweight of the grouting machine.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the TBM duct piece lining support secondary grouting bench, which effectively solves the problem that the secondary grouting cannot be carried out on duct pieces with different heights, and also solves the safety problem of the bench.

The technical scheme adopted by the utility model is as follows: the utility model provides a TBM duct piece lining support secondary grouting bench which comprises a base, wherein a first fixing frame is arranged on the upper end face of the base, a top plate is fixedly connected onto the first fixing frame, a sliding groove is formed in the first fixing frame, a lifting mechanism is arranged on the top plate and comprises a motor, a rotating rod, a fixing block, a winding wheel and a steel cable, the motor is arranged on the top plate, the rotating rod is fixedly connected onto the output end of the motor, the fixing block is fixedly connected onto the top plate, the rotating rod is in rotary connection with the fixing block, the winding wheel is fixedly connected onto the rotating rod, and the steel cable is wound on the winding wheel.

Further, fixedly connected with rack on the cable wire, the rack includes bottom plate, guardrail, guard gate and slider, the guardrail is located the bottom plate, the guard gate passes through the hinge setting on the guardrail, bottom plate fixed connection is on the slider, the slider slides and pegs graft in the middle of the spout.

Preferably, the sliding block is provided with a rolling mechanism, the rolling mechanism comprises a connecting piece, a rotating shaft and a roller, the connecting piece is fixedly connected to the sliding block, the rotating shaft is rotatably connected to the position between the two connecting pieces, and the roller is arranged on the rotating shaft.

Preferably, the sliding block is provided with a braking mechanism, the braking mechanism comprises an electromagnet, an armature, a spring, a connecting rod and a friction plate, the electromagnet is positioned inside the sliding block, the armature is arranged inside the sliding block through the spring, the connecting rod is fixedly connected to the armature, the connecting rod penetrates through the connecting piece, and the friction plate is arranged on the connecting rod.

Preferably, the grouting device is arranged on the base, the hydraulic pump is arranged on the bottom plate, and the grouting device and the hydraulic pump are connected through a telescopic grouting pipe.

And universal wheels are fixedly connected to four corners of the lower end surface of the base.

Further, a support is arranged on the first fixing frame and fixedly connected to the base, and the support is obliquely arranged.

The base is provided with a second fixing frame, and the second fixing frame is fixedly connected with stairs.

The beneficial effects obtained by the utility model by adopting the structure are as follows: this scheme provides a TBM section of jurisdiction lining support secondary slip casting rack through setting up motor, dwang, fixed block, pulley and cable wire for the rack can rise to required height, thereby carry out secondary slip casting work to the section of jurisdiction of different height, through setting up spout, the slider, the connecting piece, pivot and gyro wheel, make the rack more steady in the middle of the lift process, be difficult to take place to rock, improve the stability of rack, through setting up the electro-magnet, the armature, the spring, connecting rod and friction plate, make the rack can emergency stop when falling because of unexpected condition takes place, thereby further improve the security of rack, guaranteed the life safety of workman on the rack, through setting up grouting machine, hydraulic pump and telescopic slip casting pipe, thereby make grouting machine need not place on the rack, further improve the stability of rack.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a secondary grouting bench for a TBM segment lining support provided by the utility model;

fig. 2 is a component view of the lifting mechanism of the present embodiment;

FIG. 3 is a component view of the stage of the present embodiment;

fig. 4 is a component view of the rolling mechanism and the braking mechanism of the present embodiment.

Wherein 1, the base, 2, the universal wheel, 3, mount one, 4, roof, 5, support, 6, spout, 7, mount two, 8, stair, 9, elevating system, 901, motor, 902, dwang, 903, fixed block, 904, winding wheel, 905, cable wire, 10, rack, 101, bottom plate, 102, guardrail, 103, guard gate, 104, slider, 11, rolling mechanism, 111, connecting piece, 112, pivot, 113, gyro wheel, 12, braking mechanism, 121, electro-magnet, 122, armature, 123, spring, 124, connecting rod, 125, friction plate, 13, grouting machine, 14, hydraulic pump, 15, telescopic grouting pipe.

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, the secondary grouting bench for a TBM segment lining support provided by the utility model comprises a base 1, wherein a first fixing frame 3 is arranged on the upper end surface of the base 1, a top plate 4 is fixedly connected to the first fixing frame 3, a sliding groove 6 is arranged on the first fixing frame 3, a lifting mechanism 9 is arranged on the top plate 4, the lifting mechanism 9 comprises a motor 901, a rotating rod 902, a fixed block 903, a winding wheel 904 and a steel cable 905, the motor 901 is arranged on the top plate 4, the rotating rod 902 is fixedly connected to the output end of the motor 901, the fixed block 903 is fixedly connected to the top plate 4, the rotating rod 902 is in rotary connection with the fixed block 903, the winding wheel 904 is fixedly connected to the rotating rod 902, and the steel cable 905 is wound on the winding wheel 904.

As shown in fig. 2, the steel cable 905 is fixedly connected with a rack 10, the rack 10 includes a bottom plate 101, a guardrail 102, a protective door 103 and a sliding block 104, the guardrail 102 is located on the bottom plate 101, the protective door 103 is arranged on the guardrail 102 through a hinge, the bottom plate 101 is fixedly connected to the sliding block 104, and the sliding block 104 is slidably inserted into the sliding slot 6.

As shown in fig. 3 and 4, the sliding block 104 is provided with a rolling mechanism 11, the rolling mechanism 11 includes a connecting piece 111, a rotating shaft 112 and a roller 113, the connecting piece 111 is fixedly connected to the sliding block 104, the rotating shaft 112 is rotatably connected between the two connecting pieces 111, and the roller 113 is disposed on the rotating shaft 112.

As shown in fig. 3 and 4, the slider 104 is provided with a braking mechanism 12, the braking mechanism 12 includes an electromagnet 121, an armature 122, a spring 123, a connecting rod 124, and a friction plate 125, the electromagnet 121 is located inside the slider 104, the armature 122 is disposed inside the slider 104 through the spring 123, the connecting rod 124 is fixedly connected to the armature 122, the connecting rod 124 is disposed through the connecting member 111, and the friction plate 125 is disposed on the connecting rod 124.

As shown in fig. 1, the base 1 is provided with a grouting machine 13, the bottom plate 101 is provided with a hydraulic pump 14, and the grouting machine 13 and the hydraulic pump 14 are connected through a telescopic grouting pipe 15.

The utility model discloses a stair fixing device, including base 1, support 5, mount 1, mount 7, stair 8, be equipped with on the mount 7, the equal fixedly connected with universal wheel 2 in terminal surface four corners position under the base 1, be provided with support 5 on the mount 3, support 5 fixed connection is on base 1, support 5 is the slope setting, be equipped with mount two 7 on the base 1, fixedly connected with stair 8 on the mount two 7.

When the automatic grouting machine is specifically used, a worker climbs the rack 10 from the stair 8, opens the protective door 103 and stands on the bottom plate 101, then starts the motor 901, the output end of the motor 901 rotates, so that the rotating rod 902 is driven to rotate, the winding wheel 904 is rotated to tighten the steel cable 905, the rack 10 is lifted, the sliding block 104 always slides in the sliding groove 6 in the lifting process of the rack 10, the lifting stability of the rack 10 is further improved, when the rack 10 falls due to unexpected situations, the output end of the motor 901 stops rotating, then the electromagnet 121 is electrified, the electromagnet 121 generates magnetic force, the armature 122 is attracted by the electromagnet 121, the friction plate 125 is driven to clamp the roller 113, the roller 113 stops rolling, and the worker on the rack 10 only needs to start the hydraulic pump 14, and the hydraulic pump 14 can pump slurry in the grouting machine 13 through the telescopic grouting pipe 15.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides a TBM section of jurisdiction lining support secondary slip casting rack, includes base (1), its characterized in that: the base (1) up end is provided with mount one (3), fixedly connected with roof (4) on mount one (3), be provided with spout (6) on mount one (3), be equipped with elevating system (9) on roof (4), elevating system (9) include motor (901), dwang (902), fixed block (903), winding wheel (904) and cable wire (905), motor (901) set up on roof (4), dwang (902) fixed connection is on the output of motor (901), fixed block (903) fixed connection is on roof (4), swivelling joint between dwang (902) and the fixed block (903), winding wheel (904) fixed connection is on dwang (902), cable wire (905) twine on winding wheel (904).

2. The TBM segment lining support secondary grouting bench according to claim 1, wherein: fixedly connected with rack (10) on cable wire (905), rack (10) include bottom plate (101), guardrail (102), guard gate (103) and slider (104), guardrail (102) are located bottom plate (101), guard gate (103) set up on guardrail (102) through the hinge, bottom plate (101) fixed connection is on slider (104), slider (104) slip grafting is in the middle of spout (6).

3. The TBM segment lining support secondary grouting bench according to claim 2, wherein: the sliding block (104) is provided with a rolling mechanism (11), the rolling mechanism (11) comprises a connecting piece (111), a rotating shaft (112) and a roller (113), the connecting piece (111) is fixedly connected to the sliding block (104), the rotating shaft (112) is rotationally connected to the position between the two connecting pieces (111), and the roller (113) is arranged on the rotating shaft (112).

4. A TBM segment lining support secondary grouting gantry according to claim 3, characterized in that: be provided with brake mechanism (12) on slider (104), brake mechanism (12) include electro-magnet (121), armature (122), spring (123), connecting rod (124) and friction plate (125), electro-magnet (121) are located slider (104) inside, armature (122) set up inside slider (104) through spring (123), connecting rod (124) fixed connection is on armature (122), connecting rod (124) run through connecting piece (111) setting, friction plate (125) set up on connecting rod (124).

5. The TBM segment lining support secondary grouting bench according to claim 4, wherein: the grouting device is characterized in that a grouting machine (13) is arranged on the base (1), a hydraulic pump (14) is arranged on the bottom plate (101), and the grouting machine (13) and the hydraulic pump (14) are connected through a telescopic grouting pipe (15).

6. The TBM segment lining support secondary grouting bench according to claim 5, wherein: the four corners of the lower end surface of the base (1) are fixedly connected with universal wheels (2).

7. The TBM segment lining support secondary grouting bench according to claim 6, wherein: the fixing frame I (3) is provided with a support (5), the support (5) is fixedly connected to the base (1), and the support (5) is obliquely arranged.

8. The TBM segment lining support secondary grouting gantry of claim 7, wherein: the base (1) is provided with a second fixing frame (7), and the second fixing frame (7) is fixedly connected with a stair (8).