CN114233345B - Subway tunnel collapse prevention structure and corresponding construction method thereof - Google Patents
Subway tunnel collapse prevention structure and corresponding construction method thereof Download PDFInfo
- Publication number
- CN114233345B CN114233345B CN202111562439.XA CN202111562439A CN114233345B CN 114233345 B CN114233345 B CN 114233345B CN 202111562439 A CN202111562439 A CN 202111562439A CN 114233345 B CN114233345 B CN 114233345B
- Authority
- CN
- China
- Prior art keywords
- block
- plate
- electromagnetic
- bevel gear
- permanent magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002265 prevention Effects 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000005389 magnetism Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/545—Details of the ends of props hydraulic or pneumatic
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physical Vapour Deposition (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention belongs to the technical field of subway tunnel collapse prevention structures, and particularly relates to a subway tunnel collapse prevention structure and a corresponding construction method thereof. The device can control the supporting plate to lift, so that a user can adjust the height of the supporting plate according to the needs, and the device can control the permanent magnet pressing plate to reciprocate to strike each inserted link, so that the inserted link can be conveniently and rapidly inserted into the ground, and the tedious and labor-saving process of manually striking the inserted link to be inserted into the ground is avoided.
Description
Technical Field
The invention belongs to the technical field of subway tunnel collapse prevention structures, and particularly relates to a subway tunnel collapse prevention structure and a corresponding construction method thereof.
Background
The tunnel is an engineering building embedded in the ground, is a form of utilizing underground space by human beings, can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel, the subway is a rapid, large-traffic and electric-traction rail traffic built in the city, the train runs on a totally-enclosed line, and the line in the central urban area is basically arranged in the underground tunnel.
At present, a subway tunnel often uses an anti-collapse structure to provide support for the top wall of the subway tunnel in the construction process to prevent collapse, a supporting plate on the traditional anti-collapse structure is generally fixedly arranged on a supporting frame, the height of the supporting plate cannot be adjusted according to requirements in the use process, inconvenience is brought to use, each inserting rod is generally required to be manually knocked to be inserted with the ground when the traditional anti-collapse structure is fixed, the fixing of the anti-collapse structure is achieved, and the whole process consumes manpower.
Therefore, we propose a subway tunnel collapse prevention structure and a corresponding construction method thereof to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides a subway tunnel collapse prevention structure and a corresponding construction method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a subway tunnel collapse prevention structure, includes the base, the cavity has been seted up on the base, and has inlayed in the cavity and be equipped with the electromagnetic plate, the electromagnetic plate passes through a plurality of reset spring fixedly connected with permanent magnet clamp plate, and permanent magnet clamp plate and cavity sliding connection, a plurality of smooth chambeies have been seted up to the lower extreme of base, and sliding connection has the inserted bar with permanent magnet clamp plate matched with in the smooth chambeies, the both sides inner wall of smooth chambeies all is provided with the fixture with inserted bar matched with, one side lateral wall of base is provided with the intermittent control mechanism with electromagnetic plate electric connection, fixedly connected with support on the base, rotate between support and the base and be connected with two lead screws, sliding connection has the slide on the support, and slide and two lead screw threaded connection, fixedly connected with two bracing pieces on the slide, and the upper end of two bracing pieces all runs through the support and common fixedly connected with backup pad, be provided with two lead screw matched with actuating mechanism on the support, be provided with a plurality of universal wheels around the base.
In the above-mentioned subway tunnel collapse prevention structure, fixture comprises electromagnetic block, permanent magnetism piece, support piece and clamp splice, set up electromagnetic cavity on the one side inner wall of smooth chamber, and the electromagnetic block inlays and locate the electromagnetic cavity in setting, the electromagnetic block passes through a plurality of extension springs and permanent magnetism piece fixed connection, support the piece fixed setting on the permanent magnetism piece, and support one end of piece and extend to in the smooth chamber and with clamp splice fixed connection, the clamp splice offsets with the inserted bar and sets up.
In the above-mentioned subway tunnel collapse prevention structure, intermittent control mechanism has control box, pivot, initiative bevel gear, driven bevel gear, micro motor, conducting shoe, arc conducting strip are constituteed, the control box is fixed to be set up on one side lateral wall of base, and the pivot rotates to set up in the control box, driven bevel gear is fixed to be cup jointed in the pivot, initiative bevel gear rotates to set up in the control box, and initiative bevel gear meshes with driven bevel gear, initiative bevel gear's transmission shaft and micro motor drive connection, conducting shoe fixed connection is in the lower extreme of pivot, and has seted up the annular spout that cooperatees with the conducting shoe on the interior bottom surface of control box, arc conducting strip inlays and locates in the annular spout, and arc conducting strip and conducting shoe contact connection, arc conducting strip and electromagnetic plate electric connection.
In the above-mentioned subway tunnel collapse prevention structure, the actuating mechanism comprises worm, two worm wheels and driving motor, the worm rotates and sets up on the support, and the one end and the driving motor transmission of worm are connected, two the worm wheel respectively fixed cup joint on corresponding lead screw, and two worm wheels all mesh with the worm.
In the subway tunnel collapse prevention structure, the base is fixedly connected with the storage box matched with the universal wheel, the storage box is fixedly provided with the air cylinder, and the output end of the air cylinder is fixedly connected with the universal wheel.
In the above-mentioned subway tunnel collapse prevention structure, the lower end of the permanent magnet pressing plate is fixedly connected with a bump corresponding to the inserted link, and the bump is in contact connection with the top end of the inserted link.
In the above-mentioned subway tunnel collapse prevention structure, the upper ends of two the bracing pieces are fixedly connected with the buffer plate jointly, and the buffer plate passes through a plurality of shell fragments and backup pad fixed connection.
In the subway tunnel collapse prevention structure, the gear ratio of the driving bevel gear to the driven bevel gear is 1:2, and the arc length of the arc-shaped conducting strip is half of the circumference of the annular chute.
The construction method of the subway tunnel collapse prevention structure comprises the following steps:
s1, firstly, moving the device to a target point through each universal wheel, then starting each air cylinder to enable the output end of each air cylinder to drive the universal wheel to retract, closing each air cylinder when each universal wheel is contained in a containing box, then controlling each electromagnetic block to be electrified and magnetized through a switch, and after the electromagnetic block is electrified and magnetized, attracting the permanent magnet block to enable the permanent magnet block to drive the clamping block to be far away from the inserted link through the abutting block, so that unlocking of the inserted link is realized;
s2, starting a micro motor, wherein the micro motor drives a drive bevel gear to rotate, the drive bevel gear drives a conductive block to rotate through a driven bevel gear after rotating, so that the conductive block slides in an annular chute, the conductive block can reciprocate to be in contact with an arc-shaped conductive sheet along with the sliding of the conductive block, the electromagnetic plate can be electrified intermittently, a permanent magnet pressing plate can be attracted after the electromagnetic plate is electrified and magnetically generated, the permanent magnet pressing plate can drive each lug to ascend, meanwhile, the permanent magnet pressing plate can press each reset spring to store energy, when the electromagnetic plate is powered off and demagnetized, each reset spring can release energy, the permanent magnet pressing plate drives each lug to impact each inserted rod, and then the lugs can reciprocate to impact the inserted rod along with the intermittent electrification of the electromagnetic plate, so that the inserted rod and the ground are plugged;
s3, when the inserted link is completely inserted into the ground, the micro motor is turned off, then, the driving motor is started, the driving motor can drive the worm to rotate, after the worm rotates, the two worm gears can drive the two screw rods to rotate, after the two screw rods rotate, the sliding plate can continuously slide upwards, the sliding plate can drive the supporting plate to rise through the two supporting rods, when the supporting plate abuts against the top wall of the subway tunnel, the driving motor is turned off, and at the moment, the supporting of the subway tunnel is completed.
Compared with the prior art, the invention has the beneficial effects that: through the actuating mechanism who sets up, can drive two lead screws and rotate in step, avoided addding the cost of actuating device in addition, can control the slide and go up and down when passing through, and then can adjust the height of backup pad as required, through the intermittent control mechanism who sets up, can control electromagnetic plate intermittent type circular telegram, and then make electromagnetic plate can reciprocating actuation permanent magnetism clamp plate, under reset spring's cooperation, can make each inserted bar of permanent magnetism clamp plate reciprocating impact, and then be convenient for inserted bar and ground are inserted, avoided the manual work to strike the loaded down with trivial details of inserted bar and ground to insert and close, through the cylinder that sets up, can regulate and control the universal wheel and stretch out and draw back, when carrying out the operation, can pack up the universal wheel, and in the later stage, can jack-up the base, be convenient for control inserted bar and ground separation.
To sum up: through the design of the invention, the supporting plate can be controlled to lift, so that a user can adjust the height of the supporting plate according to the needs, and the device can control the permanent magnet pressing plate to reciprocate to strike each inserted link, so that the inserted link can be conveniently and rapidly inserted with the ground, and the tedious and labor-saving process of manually striking the inserted link to be inserted with the ground is avoided.
Drawings
Fig. 1 is a schematic diagram of a front perspective structure of a subway tunnel collapse prevention structure and a corresponding construction method thereof;
fig. 2 is a schematic diagram of the internal structure of a control box of the subway tunnel collapse prevention structure and the corresponding construction method thereof;
FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 1;
FIG. 4 is an enlarged schematic view of the structure at B in FIG. 1;
fig. 5 is an enlarged schematic view of the structure at C in fig. 1.
In the figure: 1 base, 2 electromagnetic plates, 3 reset springs, 4 permanent magnet pressing plates, 5 sliding cavities, 6 inserted links, 7 clamping mechanisms, 71 electromagnetic blocks, 72 permanent magnet blocks, 73 supporting blocks, 74 clamping blocks, 8 intermittent control mechanisms, 81 control boxes, 82 rotating shafts, 83 driving bevel gears, 84 driven bevel gears, 85 miniature motors, 86 conductive blocks, 87 arc-shaped conductive plates, 9 brackets, 10 lead screws, 11 sliding plates, 12 supporting rods, 13 supporting plates, 14 driving mechanisms, 141 worms, 142 worm gears, 143 driving motors, 15 universal wheels, 16 electromagnetic cavities, 17 stretching springs, 18 annular sliding grooves, 19 storage boxes, 20 cylinders, 21 convex blocks, 22 buffer plates, 23 elastic sheets and 24 cavities.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.
As shown in fig. 1-5, a subway tunnel collapse prevention structure comprises a base 1, wherein a cavity 24 is formed in the base 1, an electromagnetic plate 2 is embedded in the cavity 24, the electromagnetic plate 2 is fixedly connected with a permanent magnet pressing plate 4 through a plurality of return springs 3, the permanent magnet pressing plate 4 is in sliding connection with the cavity 24, a plurality of sliding cavities 5 are formed in the lower end of the base 1, inserting rods 6 matched with the permanent magnet pressing plate 4 are slidably connected in the sliding cavities 5, the lower ends of the permanent magnet pressing plates 4 are fixedly connected with lugs 21 corresponding to the inserting rods 6, the lugs 21 are in contact connection with the top ends of the inserting rods 6, the contact area between the permanent magnet pressing plates 4 and the inserting rods 6 can be reduced due to the arrangement of the lugs 21, so that the pressure intensity between the inserting rods 6 and the lugs 21 in the inserting process is increased, the effect of the pressure effect is more obvious, and the inserting effect of the inserting rods 6 is improved.
The clamping mechanisms 7 matched with the inserted link 6 are arranged on the inner walls of the two sides of the sliding cavity 5, each clamping mechanism 7 consists of an electromagnetic block 71, a permanent magnet block 72, a supporting block 73 and a clamping block 74, the electromagnetic cavity 16 is formed in the inner wall of one side of the sliding cavity 5, the electromagnetic blocks 71 are embedded in the electromagnetic cavity 16 and are fixedly connected with the permanent magnet blocks 72 through a plurality of extension springs 17, the supporting blocks 73 are fixedly arranged on the permanent magnet blocks 72, one ends of the supporting blocks 73 extend into the sliding cavity 5 and are fixedly connected with the clamping blocks 74, the clamping blocks 74 are arranged against the inserted link 6, the permanent magnet blocks 72 and the extension springs 17 are matched through the magnetic change of the on-off of the electromagnetic blocks 71, the clamping blocks 74 are controlled to stretch, and locking or unlocking of the inserted link 6 can be controlled, and the inserted link 6 can be locked when the device is moved, and the inserted link 6 is prevented from sliding out.
The intermittent control mechanism 8 is arranged on one side wall of the base 1 and is electrically connected with the electromagnetic plate 2, the intermittent control mechanism 8 is provided with a control box 81, a rotating shaft 82, a driving bevel gear 83, a driven bevel gear 84, a micro motor 85, a conducting block 86 and an arc conducting plate 87, the control box 81 is fixedly arranged on one side wall of the base 1, the rotating shaft 82 is rotatably arranged in the control box 81, the driven bevel gear 84 is fixedly sleeved on the rotating shaft 82, the driving bevel gear 83 is rotatably arranged in the control box 81, the driving bevel gear 83 is meshed with the driven bevel gear 84, a transmission shaft of the driving bevel gear 83 is in transmission connection with the micro motor 85, the conducting block 86 is fixedly connected to the lower end of the rotating shaft 82, an annular chute 18 matched with the conducting block 86 is formed in the inner bottom surface of the control box 81, the arc conducting plate 87 is embedded in the annular chute 18, the arc conducting plate 87 is in contact connection with the conducting block 86, the arc conducting plate 87 is electrically connected with the electromagnetic plate 2, the micro motor 85 is conveniently driven to rotate the conducting block 86 through the transmission cooperation of the arranged driving bevel gear 83 and the driving bevel gear 84, and the conducting block 86 can slide in the annular chute 18, and then the conducting block 86 can reciprocate with the conducting plate 86 to realize intermittent butt joint with the arc conducting plate 2.
The gear ratio of the driving bevel gear 83 and the driven bevel gear 84 is 1:2, the arc length of the arc-shaped conducting strip 87 is half of the circumference of the annular chute 18, the gear number of the driven bevel gear 84 is designed, the rotating speed of the conducting block 86 can be reduced, and then the electromagnetic plate 2 can be enabled to have enough time for magnetic conversion, the support 9 is fixedly connected to the base 1, two lead screws 10 are rotationally connected between the support 9 and the base 1, the slide plate 11 is slidingly connected to the support 9, the slide plate 11 is in threaded connection with the two lead screws 10, the two support rods 12 are fixedly connected to the slide plate 11, the upper ends of the two support rods 12 penetrate through the support 9 and are fixedly connected with the support plate 13 together, the buffer plate 22 is fixedly connected to the upper ends of the two support rods 12 together, the buffer plate 22 is fixedly connected with the support plate 13 through a plurality of elastic pieces 23, the buffer plate 22 is matched with the elastic pieces 23, and hard touching of the support plate 13 and the top wall of a subway tunnel can be avoided.
The support 9 is provided with a driving mechanism 14 matched with two lead screws 10, the driving mechanism 14 consists of a worm 141, two worm gears 142 and a driving motor 143, the worm 141 is rotationally arranged on the support 9, one end of the worm 141 is in transmission connection with the driving motor 143, the two worm gears 142 are respectively fixedly sleeved on the corresponding lead screws 10, the two worm gears 142 are meshed with the worm 141, and the driving motor 143 is convenient to drive the two lead screws 10 to synchronously rotate through the transmission matching of the set worm 141 and the two worm gears 142, so that the cost of additionally arranging driving equipment is avoided.
The base 1 is provided with a plurality of universal wheels 15 all around, fixedly connected with and universal wheel 15 matched with containing box 19 on the base 1, and fixedly provided with cylinder 20 in the containing box 19, the output and the universal wheel 15 fixed connection of cylinder 20 can control universal wheel 15 through the cylinder 20 that sets up and stretch out and draw back for when carrying out the support operation, can pack up universal wheel 15, improve the steadiness that the device was placed, simultaneously, can control base 1 to rise at the later stage, with control each inserted bar 6 and ground separation, in order to facilitate the user dismounting device.
The principle of operation of the present invention will now be described as follows:
when the device is used, firstly, the device is moved to a target point through each universal wheel 15, then, each air cylinder 20 is started, the output end of each air cylinder 20 drives the universal wheel 15 to retract, when each universal wheel 15 is stored in the storage box 19, each air cylinder 20 is closed, then, each electromagnetic block 71 is controlled to be electrified and magnetized through a switch, after the electromagnetic block 71 is electrified and magnetized, the permanent magnet block 72 can be attracted, and the permanent magnet block 72 can drive the clamping block 74 to be far away from the inserted bar 6 through the abutting block 73, so that unlocking of the inserted bar 6 is realized.
Then, the micro motor 85 is started, the micro motor 85 can drive the drive bevel gear 83 to rotate, after the drive bevel gear 83 rotates, the conducting block 86 is driven to rotate through the driven bevel gear 84, the conducting block 86 slides in the annular chute 18, along with the sliding of the conducting block 86, the conducting block 86 can reciprocate to be in contact with the arc-shaped conducting sheet 87, further the electromagnetic plate 2 can be electrified intermittently, the permanent magnet pressing plate 4 can be attracted after the electromagnetic plate 2 is electrified and magnetized, the permanent magnet pressing plate 4 can drive each lug 21 to ascend, meanwhile, the permanent magnet pressing plate 4 can press each reset spring 3, each reset spring 3 can store energy, after the electromagnetic plate 2 is powered off and demagnetized, each reset spring 3 can release energy, the permanent magnet pressing plate 4 can drive each lug 21 to strike each inserted rod 6, and then along with the intermittent electrification of the electromagnetic plate 2, the lug 21 can reciprocate to strike the inserted rod 6 to enable the inserted rod 6 to be inserted with the ground.
When the inserted link 6 is completely inserted into the ground, the micro motor 85 is turned off, then, the driving motor 143 is started, the driving motor 143 drives the worm 141 to rotate, the worm 141 drives the two lead screws 10 to rotate through the two worm gears 142, the two lead screws 10 rotate, the sliding plate 11 continuously slides upwards, the sliding plate 11 drives the supporting plate 13 to ascend through the two supporting rods 12, and when the supporting plate 13 abuts against the top wall of the subway tunnel, the driving motor 143 is turned off, and at the moment, the support of the subway tunnel is completed.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides a subway tunnel collapse prevention structure, includes base (1), its characterized in that, offer cavity (24) on base (1), and inlay in cavity (24) and be equipped with electromagnetic plate (2), electromagnetic plate (2) are through a plurality of reset spring (3) fixedly connected with permanent magnetism clamp plate (4), and permanent magnetism clamp plate (4) and cavity (24) sliding connection, a plurality of sliding cavities (5) have been offered to the lower extreme of base (1), and sliding connection has inserted bar (6) with permanent magnetism clamp plate (4) matched with in sliding cavity (5), both sides inner wall of sliding cavity (5) all is provided with fixture (7) with inserted bar (6) matched with, one side lateral wall of base (1) be provided with electromagnetic plate (2) electric connection's intermittent type control mechanism (8), fixedly connected with support (9) on base (1), rotate between support (9) and base (1) and be connected with two slide (10), sliding connection has slide (11) on support (9), and sliding connection has two screw (12) and two fixed connection support rods (13) on two support bars (12), the support (9) is provided with a driving mechanism (14) matched with the two lead screws (10), and a plurality of universal wheels (15) are arranged around the base (1); the clamping mechanism (7) consists of an electromagnetic block (71), a permanent magnet block (72), a supporting block (73) and a clamping block (74), wherein an electromagnetic cavity (16) is formed in the inner wall of one side of the sliding cavity (5), the electromagnetic block (71) is embedded in the electromagnetic cavity (16), the electromagnetic block (71) is fixedly connected with the permanent magnet block (72) through a plurality of extension springs (17), the supporting block (73) is fixedly arranged on the permanent magnet block (72), one end of the supporting block (73) extends into the sliding cavity (5) and is fixedly connected with the clamping block (74), and the clamping block (74) is supported by the inserted rod (6); the clamping block (74) is controlled to stretch through the electromagnetic block (71) and the magnetic change of the on-off of the electromagnetic block (71) and the permanent magnet block (72) and the extension spring (17), so that the locking or unlocking of the inserted link (6) can be controlled, and the inserted link (6) can be locked when the device is moved, and the inserted link (6) is prevented from sliding out; the intermittent control mechanism (8) comprises a control box (81), a rotating shaft (82), a driving bevel gear (83), a driven bevel gear (84), a micro motor (85), a conducting block (86) and an arc-shaped conducting plate (87), wherein the control box (81) is fixedly arranged on one side wall of the base (1), the rotating shaft (82) is rotationally arranged in the control box (81), the driven bevel gear (84) is fixedly sleeved on the rotating shaft (82), the driving bevel gear (83) is rotationally arranged in the control box (81), the driving bevel gear (83) is meshed with the driven bevel gear (84), a transmission shaft of the driving bevel gear (83) is in transmission connection with the micro motor (85), the conducting block (86) is fixedly connected to the lower end of the rotating shaft (82), an annular chute (18) matched with the conducting block (86) is formed in the inner bottom surface of the control box (81), the arc-shaped conducting plate (87) is embedded in the annular chute (18), the arc-shaped conducting plate (87) is in contact connection with the conducting block (86), and the arc-shaped conducting plate (87) is electrically connected with the arc-shaped conducting plate (2); the driving mechanism (14) consists of a worm (141), two worm gears (142) and a driving motor (143), the worm (141) is rotatably arranged on the bracket (9), one end of the worm (141) is in transmission connection with the driving motor (143), the two worm gears (142) are respectively fixedly sleeved on the corresponding screw rods (10), and the two worm gears (142) are meshed with the worm (141); through the transmission cooperation of the driving bevel gear (83) and the driven bevel gear (84), the micro motor (85) is convenient to drive the conductive block (86) to rotate, the conductive block (86) can slide in the annular chute (18), further the conductive block (86) is in reciprocating butt joint with the arc-shaped conductive sheet (87), intermittent energization of the electromagnetic plate (2) is realized, the lower end of the permanent magnet pressing plate (4) is fixedly connected with a lug (21) corresponding to the inserted link (6), and the lug (21) is in contact connection with the top end of the inserted link (6); the lug (21) is connected with the top end contact of inserted link (6), and the setting of lug (21) can reduce the area of contact between permanent magnetism clamp plate (4) and inserted link (6) to increase the pressure between inserted link (6) and lug (21) in-process of inserting, make the effect of pressure more obvious, in order to improve the effect of inserting of inserted link (6).
2. The subway tunnel collapse prevention structure according to claim 1, wherein a containing box (19) matched with the universal wheel (15) is fixedly connected to the base (1), an air cylinder (20) is fixedly arranged in the containing box (19), and the output end of the air cylinder (20) is fixedly connected with the universal wheel (15); the universal wheel (15) can be controlled to stretch out and draw back through the cylinder (20) arranged, so that the universal wheel (15) can be retracted when the support operation is carried out, and the stability of the device is improved.
3. The subway tunnel collapse prevention structure according to claim 1, wherein the upper ends of the two supporting rods (12) are fixedly connected with a buffer plate (22) together, the buffer plate (22) is fixedly connected with the supporting plate (13) through a plurality of elastic pieces (23), and the buffer plate (22) and the elastic pieces (23) are matched to avoid hard contact between the supporting plate (13) and the top wall of the subway tunnel.
4. The subway tunnel collapse prevention structure according to claim 1, wherein the tooth ratio of the driving bevel gear (83) to the driven bevel gear (84) is 1:2, and the arc length of the arc-shaped conductive sheet (87) is half the circumference of the annular chute (18).
5. The construction method of a collapse prevention structure for a subway tunnel according to any one of claims 1 to 4, comprising the steps of:
s1, firstly, moving the device to a target point through each universal wheel (15), then starting each air cylinder (20) to enable the output end of each air cylinder (20) to drive the universal wheel (15) to retract, closing each air cylinder (20) when each universal wheel (15) is contained in a containing box (19), then controlling each electromagnetic block (71) to be electrified and generate magnetism through a switch, and after the electromagnetic block (71) is electrified and generate magnetism, attracting the permanent magnet block (72) to enable the permanent magnet block (72) to drive a clamping block (74) to be far away from an inserting rod (6) through a supporting block (73), so that unlocking of the inserting rod (6) is achieved;
s2, starting a micro motor (85), wherein the micro motor (85) can drive a drive bevel gear (83) to rotate, after the drive bevel gear (83) rotates, a conductive block (86) is driven to rotate through a driven bevel gear (84), the conductive block (86) slides in an annular chute (18), along with the sliding of the conductive block (86), the conductive block (86) can reciprocate to be in contact with an arc-shaped conductive sheet (87), then the electromagnetic plate (2) can be electrified intermittently, the electromagnetic plate (2) can attract a permanent magnet pressing plate (4) after electrified and magnetically generates, the permanent magnet pressing plate (4) can drive each bump (21) to rise, meanwhile, the permanent magnet pressing plate (4) can press each reset spring (3) to store energy, after the electromagnetic plate (2) is powered off, each reset spring (3) can release energy, and the permanent magnet pressing plate (4) can drive each bump (21) to impact each inserted rod (6), and then along with the intermittent electrifying of the electromagnetic plate (2), the bumps (21) can reciprocate to impact the inserted rod (6), and the inserted rod (6) can be plugged with the ground.
S3, when the inserted link (6) is completely inserted in the ground, the micro motor (85) is closed, then, the driving motor (143) is started, the driving motor (143) can drive the worm (141) to rotate, after the worm (141) rotates, the two worm gears (142) can drive the two lead screws (10) to rotate, after the two lead screws (10) rotate, the sliding plate (11) can be enabled to continuously slide upwards, the sliding plate (11) can drive the supporting plate (13) to rise through the two supporting rods (12), when the supporting plate (13) abuts against the top wall of the subway tunnel, the driving motor (143) is closed, and at the moment, the supporting of the subway tunnel is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111562439.XA CN114233345B (en) | 2021-12-20 | 2021-12-20 | Subway tunnel collapse prevention structure and corresponding construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111562439.XA CN114233345B (en) | 2021-12-20 | 2021-12-20 | Subway tunnel collapse prevention structure and corresponding construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114233345A CN114233345A (en) | 2022-03-25 |
| CN114233345B true CN114233345B (en) | 2023-09-15 |
Family
ID=80759249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111562439.XA Active CN114233345B (en) | 2021-12-20 | 2021-12-20 | Subway tunnel collapse prevention structure and corresponding construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114233345B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208261724U (en) * | 2017-12-29 | 2018-12-21 | 天津富松汽车零部件有限公司 | New automobile cellular board shaping equipment |
| CN109441501A (en) * | 2018-12-08 | 2019-03-08 | 成都鑫都建设工程有限公司 | A kind of subway tunnel anti-collapse construction method |
| CN111331406A (en) * | 2020-04-10 | 2020-06-26 | 福州约春向科技有限公司 | Multifunctional chuck clamp |
| CN211258663U (en) * | 2019-08-14 | 2020-08-14 | 泉州市雅士轩房地产投资咨询有限公司 | Interim protector in tunnel |
| DE202020105104U1 (en) * | 2020-09-04 | 2020-10-08 | China Railway Liuyuan Group Co., Ltd. | Protective bracket with a mesh profile structure for underground tunnel construction |
| CN212027839U (en) * | 2019-10-28 | 2020-11-27 | 徐小燕 | Subway tunnel construction strutting arrangement |
| CN112228126A (en) * | 2020-10-26 | 2021-01-15 | 昆明理工大学 | Contractibility power transmission connecting device suitable for primary support of large-deformation tunnel |
| CN212426068U (en) * | 2020-04-10 | 2021-01-29 | 陈二湾 | Tumor cell culture device for anti-tumor experiments |
| CN112576308A (en) * | 2020-12-24 | 2021-03-30 | 刘迎迎 | Device and method for laying trench cover plate in tunnel |
| CN112621490A (en) * | 2020-12-22 | 2021-04-09 | 辽宁省聚汇网络科技有限公司 | Screen grinding device for smart phone manufacturing |
| CN112676953A (en) * | 2020-12-24 | 2021-04-20 | 宜昌华悦光电科技有限公司 | Clamping and fixing device for polishing end face of super-thick optical lens |
| CN113089632A (en) * | 2021-04-29 | 2021-07-09 | 任洪胜 | Ramming machine for hydraulic engineering construction |
| CN214247358U (en) * | 2021-01-27 | 2021-09-21 | 陈亚楠 | Strutting arrangement for subway construction |
| CN215170131U (en) * | 2021-06-05 | 2021-12-14 | 青海省交通建设管理有限公司 | Tunnel construction landslide escape way device |
-
2021
- 2021-12-20 CN CN202111562439.XA patent/CN114233345B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208261724U (en) * | 2017-12-29 | 2018-12-21 | 天津富松汽车零部件有限公司 | New automobile cellular board shaping equipment |
| CN109441501A (en) * | 2018-12-08 | 2019-03-08 | 成都鑫都建设工程有限公司 | A kind of subway tunnel anti-collapse construction method |
| CN211258663U (en) * | 2019-08-14 | 2020-08-14 | 泉州市雅士轩房地产投资咨询有限公司 | Interim protector in tunnel |
| CN212027839U (en) * | 2019-10-28 | 2020-11-27 | 徐小燕 | Subway tunnel construction strutting arrangement |
| CN212426068U (en) * | 2020-04-10 | 2021-01-29 | 陈二湾 | Tumor cell culture device for anti-tumor experiments |
| CN111331406A (en) * | 2020-04-10 | 2020-06-26 | 福州约春向科技有限公司 | Multifunctional chuck clamp |
| DE202020105104U1 (en) * | 2020-09-04 | 2020-10-08 | China Railway Liuyuan Group Co., Ltd. | Protective bracket with a mesh profile structure for underground tunnel construction |
| CN112228126A (en) * | 2020-10-26 | 2021-01-15 | 昆明理工大学 | Contractibility power transmission connecting device suitable for primary support of large-deformation tunnel |
| CN112621490A (en) * | 2020-12-22 | 2021-04-09 | 辽宁省聚汇网络科技有限公司 | Screen grinding device for smart phone manufacturing |
| CN112576308A (en) * | 2020-12-24 | 2021-03-30 | 刘迎迎 | Device and method for laying trench cover plate in tunnel |
| CN112676953A (en) * | 2020-12-24 | 2021-04-20 | 宜昌华悦光电科技有限公司 | Clamping and fixing device for polishing end face of super-thick optical lens |
| CN214247358U (en) * | 2021-01-27 | 2021-09-21 | 陈亚楠 | Strutting arrangement for subway construction |
| CN113089632A (en) * | 2021-04-29 | 2021-07-09 | 任洪胜 | Ramming machine for hydraulic engineering construction |
| CN215170131U (en) * | 2021-06-05 | 2021-12-14 | 青海省交通建设管理有限公司 | Tunnel construction landslide escape way device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114233345A (en) | 2022-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106738374A (en) | A kind of building brick head efficient cutting | |
| CN210647949U (en) | Automatic stamping device of ejection of compact | |
| CN109849865A (en) | A kind of equipment of fast changeable electric automobile battery box | |
| CN207565013U (en) | A kind of solar energy power generating edges of boards frame stamping equipment | |
| CN108487700A (en) | Movable square stage column | |
| CN114233345B (en) | Subway tunnel collapse prevention structure and corresponding construction method thereof | |
| CN106738036A (en) | A kind of portable makes the device of hollow paper tube | |
| CN208614459U (en) | A kind of rare-earth permanent-magnet electric machine production rare-earth permanent magnet arrangement for grinding | |
| CN208559075U (en) | A kind of electric automobile charging pile easy to disassemble | |
| CN114589262B (en) | Stamping device and stamping process for producing plug inserting sheets | |
| CN116512015A (en) | Motor polishing device capable of polishing motor fixedly | |
| CN108172141A (en) | A kind of medical portable publicity equipment | |
| CN210636417U (en) | Rod pit tamping device for electric power engineering | |
| CN110670450B (en) | Sand and soil layer compaction device | |
| CN208193792U (en) | A kind of rural sewage treatment mud recyclable device | |
| CN113870680A (en) | Economic management is with simulation sand table structure | |
| CN209397532U (en) | A kind of highway obstacle automatic recycling device | |
| CN207385560U (en) | A kind of concrete powder crushing device | |
| CN207661466U (en) | A kind of scalable portable LED illumination lamp | |
| CN206774344U (en) | A kind of frock to be magnetized for permanent magnetic ring plane multistage | |
| CN112576308A (en) | Device and method for laying trench cover plate in tunnel | |
| CN111805600A (en) | Mushroom fungus stick cuts membrane device | |
| CN205230464U (en) | Coil produces demonstration teaching aid of electricity in magnetic field of moving | |
| CN208280678U (en) | Movable square stage column | |
| CN213571654U (en) | Height limiting device for municipal administration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |