CN209875162U - Winding type automatic closing shield spiral machine gate - Google Patents
Winding type automatic closing shield spiral machine gate Download PDFInfo
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- CN209875162U CN209875162U CN201920544324.XU CN201920544324U CN209875162U CN 209875162 U CN209875162 U CN 209875162U CN 201920544324 U CN201920544324 U CN 201920544324U CN 209875162 U CN209875162 U CN 209875162U
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- wire rope
- fixed pulley
- steel wire
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Abstract
The utility model discloses an automatic shield structure screw machine gate of closing of hoist formula, including gate track, gate, slag notch, wire rope, fixed pulley A, fixed pulley B, movable pulley, fixed pulley C and electronic reel, wire rope divide into A section wire rope, B section wire rope and C section wire rope, the gate is installed on the gate track of slag notch both sides, fixed pulley A and fixed pulley B fixed mounting are on the stand of shield structure screw machine, one end connection of B section wire rope is fixed in one side of gate, and fixed pulley A, movable pulley and fixed pulley B are walked around in proper order to the other end, C section wire rope one end is connected on the movable pulley, and the other end is walked around fixed pulley C and is twined on electronic reel. The utility model discloses when using, under the rotation through electronic reel, can pull C section wire rope pulling movable pulley directional movement to pull B section wire rope and remove, and then the gate track removal of pulling gate along the slag notch realizes closing of gate.
Description
Technical Field
The utility model belongs to the technical field of the shield constructs the construction, concretely relates to automatic shield structure screw machine gate that closes of hoist formula.
Background
In recent years, with the further development and utilization of underground space, the shield method is more and more widely applied due to the advantages of high automation, safety, environmental protection, high construction efficiency and the like, and the screw conveyor is used as a channel for transporting the muck in the excavation chamber of the earth pressure balance shield machine and plays an important role in maintaining the earth pressure balance of the excavation chamber, the stability of the tunnel face and the tunneling safety.
The gate of screw machine guarantees the sealed principal component of screw machine, and when water content was great in the soil layer, if the sealed effect of gate is not good or can not in time close, then the gushing accident can appear, and the safety risk is high. For this reason, the water-rich stratum is usually designed into two gates, the shield is limited by space, and the outer gate is originally designed into a manual gate and is normally in an open state as a safety measure in emergency. However, in the process of slag discharge of the screw machine, the slag soil passing through the opening of the gate is easily blocked in the gate plate track of the manual outer gate, so that the manual outer gate cannot be closed in case of emergency.
Disclosure of Invention
In order to overcome the technical defect that shield constructs the unable manual closing of screw machine under emergency outer gate among the prior art, the utility model provides a hoist formula is automatic to be closed and is constructed screw machine gate, under the rotation through electronic reel, can pull wire rope pulling movable pulley directional removal, and then the pulling gate is along the gate track removal of slag notch, realizes closing of gate, has solved above-mentioned technical problem.
The utility model realizes the above purpose by the following technical proposal, a winch type automatic closing shield spiral machine gate comprises a chain block, a joist connecting beam, a gate track, a gate, a slag hole, a steel wire rope, a fixed pulley A, a fixed pulley B, a movable pulley, a fixed pulley C and an electric reel, wherein the steel wire rope is divided into a section A of steel wire rope, a section B of steel wire rope and a section C of steel wire rope, one end of the chain block is connected and fixed on the joist connecting beam, the other end is connected on the gate through the section A of steel wire rope, the gate track is arranged on two sides of the slag hole, the gate is arranged on the gate track on two sides of the slag hole, the fixed pulley A and the fixed pulley B are fixedly arranged on a stand column of the shield spiral machine, one end of the section B of steel wire rope is connected and fixed on one side of the gate, the other end sequentially bypasses the, the other side at the gate is fixed in the connection, C section wire rope one end is connected on the movable pulley, and the other end is walked around fixed pulley C and is twined on electronic reel, under the rotation of electronic reel, can pull C section wire rope and stimulate the directional removal of movable pulley to pull B section wire rope and remove, and then the gate of pulling along the gate track removal of slag notch, realize closing of gate.
The utility model provides an foretell automatic shield screw machine gate that closes of hoist formula, the gate comprises gate frame roof beam, gate panel, gate otic placode and limit stop, the gate panel mounting is in gate frame roof beam one side, and the opposite side keeps the open state, the gate otic placode sets up at the homonymy of gate panel, links to each other with chain block through A section wire rope, limit stop sets up in gate panel bottom, plays effectual spacing to the removal of gate.
According to the winch type automatic closing shield spiral machine gate, the width dimension of the gate is consistent with the span of the gate track, the geometric dimension of the gate panel is 200-300 mm larger than that of the slag hole, and the slag hole is effectively plugged.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can reach following beneficial effect: a automatic shield spiral shell machine gate that closes of hoist formula, under the rotation through electronic reel, can pull wire rope pulling movable pulley directional removal, and then the pulling gate realizes closing of gate along the gate track removal of slag notch, has advantages such as simple structure, the security is good, the reliability is high, convenient to use.
Drawings
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of the winch type automatic closing shield screw machine when the gate is opened;
fig. 2 is a schematic structural view of the winch type automatic closing shield spiral machine gate of the present invention when closed;
fig. 3 is a schematic view of the connection relationship between the fixed pulley B, the movable pulley, the fixed pulley C and the electric reel of the present invention;
fig. 4 is a schematic structural view of the gate of the present invention;
in the figure: 1-chain block, 2-joist connecting beam, 3-gate track, 4-gate, 5-slag hole, 6-steel wire rope, 7-fixed pulley A, 8-fixed pulley B, 9-movable pulley, 10-fixed pulley C, 11-electric drum, 41-gate frame beam, 42-gate panel, 43-gate ear plate, 44-limit stop, 61-A section of steel wire rope, 62-B section of steel wire rope and 63-C section of steel wire rope.
Detailed Description
As shown in fig. 1 and fig. 2, the structure schematic diagram of the winch type automatic closing shield screw machine gate of the present invention when the gate is opened and closed includes a chain block 1, a joist connecting beam 2, a gate track 3, a gate 4, a slag notch 5, a steel wire rope 6, a fixed pulley a7, a fixed pulley B8, a movable pulley 9, a fixed pulley C10 and an electric reel 11, wherein the steel wire rope 6 is divided into an a section steel wire rope 61, a B section steel wire rope 62 and a C section steel wire rope 63, one end of the chain block 1 is connected and fixed on the joist connecting beam 2, the other end is connected and fixed on the gate 4 through the a section steel wire rope 61, the gate track 3 is installed on two sides of the slag notch 5, the gate 4 is installed on the gate tracks 3 on two sides of the slag notch 5, the fixed pulley a7 and the fixed pulley B8 are fixedly installed on the upright post of the shield screw machine, one end of the B section steel wire rope 62 is, the other end of the C-section steel wire rope 63 sequentially bypasses a fixed pulley A7, a movable pulley 9 and a fixed pulley B8 and is fixedly connected to the other side of the gate 4, one end of the C-section steel wire rope 63 is connected to the movable pulley 9, the other end of the C-section steel wire rope bypasses the fixed pulley C10 and is wound on the electric winding drum 11, the schematic connection relation diagram of the movable pulley 9, the fixed pulley B8, the fixed pulley C10 and the electric winding drum 11 is shown in fig. 3, and under the rotation of the electric winding drum 11, the C-section steel wire rope 63 can be pulled to pull the movable pulley 9 to move directionally, so that the B-section steel wire rope 62 is pulled to move, the gate 4.
As shown in fig. 4, for the structure schematic diagram of gate 4, gate 4 comprises gate frame roof beam 41, gate panel 42, gate otic placode 43 and limit stop 44, and gate panel 42 installs in gate frame roof beam 41 one side, and the opposite side keeps the open state, and gate otic placode 43 sets up at the homonymy of gate panel 42, links to each other with chain block 1 through a section wire rope 61, limit stop 44 sets up in gate panel 42 bottom, plays effectual spacing to the removal of gate 4.
The width dimension of the gate 4 is consistent with the span of the gate track 3, the geometric dimension of the gate panel 42 is 200mm-300mm larger than that of the slag hole 5, and the slag hole 5 is effectively blocked.
The utility model discloses in the use, when gate 4 is closed to needs, start electronic reel 11 through button switch and rotate, pull C section wire rope 63 pulling movable pulley 9 directional removal, thereby with power transmission to B section wire rope 62 on, pull B section wire rope 62 and remove, through fixed pulley A7 and fixed pulley B8's direction, pulling gate 4 removes to the rear side along gate track 3 of slag notch 5, make gate panel 42 of gate 4 remove to the 5 positions of slag notch, slag notch 5 becomes closed state by open state, realize gate 4's self-closing.
When the gate 4 needs to be opened, the chain block 1 at the front end is manually operated, the A section steel wire rope 61 pulls the gate 4 to move towards the front side, and the opening part of the gate 4 moves to the slag outlet 5, so that the gate 4 is opened.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (3)
1. The utility model provides a automatic shield spiral shell machine gate of closing of hoist formula, includes chain block (1), joist tie-beam (2), gate track (3), gate (4), slag notch (5), wire rope (6), fixed pulley A (7), fixed pulley B (8), movable pulley (9), fixed pulley C (10) and electronic reel (11), its characterized in that: the steel wire rope (6) is divided into an A section steel wire rope (61), a B section steel wire rope (62) and a C section steel wire rope (63), one end of the chain block (1) is connected and fixed on the joist connecting beam (2), the other end of the chain block is connected on the gate (4) through the A section steel wire rope (61), the two sides of the slag hole (5) are provided with gate tracks (3), the gate (4) is arranged on the gate tracks (3) at the two sides of the slag hole (5), the fixed pulley A (7) and the fixed pulley B (8) are fixedly arranged on the stand column of the shield screw machine, one end of the B section steel wire rope (62) is connected and fixed on one side of the gate (4), the other end of the B section steel wire rope bypasses the fixed pulley A (7), the movable pulley (9) and the fixed pulley B (8) in sequence, the other side of the gate (4) is connected and fixed, one end of, the other end of the movable pulley is wound on the electric winding drum (11) around the fixed pulley C (10), and under the rotation of the electric winding drum (11), the C section steel wire rope (63) can be pulled to pull the movable pulley (9) to move directionally, so that the B section steel wire rope (62) is pulled to move, the gate (4) is pulled to move along the gate track (3) of the slag hole (5), and the closing of the gate (4) is realized.
2. The hoisting type automatic closing shield spiral machine gate as claimed in claim 1, wherein: gate (4) comprise gate frame roof beam (41), gate panel (42), gate otic placode (43) and limit stop (44), install in gate frame roof beam (41) one side gate panel (42), the opposite side keeps the open mode, gate otic placode (43) set up the homonymy at gate panel (42), link to each other with chain block (1) through A section wire rope (61), limit stop (44) set up in gate panel (42) bottom, play effectual spacing to the removal of gate (4).
3. The hoisting type automatic closing shield spiral machine gate as claimed in claim 2, wherein: the width dimension of the gate (4) is consistent with the span of the gate track (3), the geometric dimension of the gate panel (42) is 200-300 mm larger than that of the slag hole (5), and the slag hole (5) is effectively blocked.
Priority Applications (1)
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CN201920544324.XU CN209875162U (en) | 2019-04-22 | 2019-04-22 | Winding type automatic closing shield spiral machine gate |
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CN201920544324.XU CN209875162U (en) | 2019-04-22 | 2019-04-22 | Winding type automatic closing shield spiral machine gate |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109973110A (en) * | 2019-04-22 | 2019-07-05 | 中建三局基础设施建设投资有限公司 | A kind of winding type Automatic-closing shield screw machine gate and its application method |
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2019
- 2019-04-22 CN CN201920544324.XU patent/CN209875162U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109973110A (en) * | 2019-04-22 | 2019-07-05 | 中建三局基础设施建设投资有限公司 | A kind of winding type Automatic-closing shield screw machine gate and its application method |
CN109973110B (en) * | 2019-04-22 | 2024-06-18 | 中建三局基础设施建设投资有限公司 | Winch type automatic closing shield screw machine gate and use method thereof |
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