CN213233303U

CN213233303U - Movable steel structure dam for emergency

Info

Publication number: CN213233303U
Application number: CN202021949237.1U
Authority: CN
Inventors: 陈雄文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-18
Anticipated expiration: 2030-09-09

Abstract

The utility model relates to a hydraulic engineering field, concretely relates to portable steel structure dykes and dams of emergency usefulness, construct case, elevating gear, unsteady balancing weight and chamber door closes the piece including the steel. The utility model discloses a lifting device is unpowered traction and has the elevating system that the locking sprocket commutates, and lifting device concatenates the side door and the floating counterweight of chamber door closed piece in the both sides of sprocket with the chain, concatenates the bottom door below the floating counterweight, utilizes the influence of the gravity difference and buoyancy of both sides to and utilize the rotatory locking state of remote control sprocket, make the side door and the bottom door of opening and close the water inlet and drainage hole can rise automatically, need not the manual work and climb the box and open the valve and can accomplish the steel structure dykes and dams water injection fast; when the steel structure dam is lifted after use, the side door and the bottom door are automatically lifted for drainage, the power pump row is not needed, and the operation is very convenient. The utility model discloses the portable steel that utilizes unpowered towed wireless remote control elevating gear to make constructs dykes and dams, can improve security, convenience and the operating efficiency of operation.

Description

Movable steel structure dam for emergency

Technical Field

The utility model relates to a hydraulic engineering field, concretely relates to portable steel that emergency used constructs dykes and dams.

Background

River dykes and dams are easy to gush or break when flood disasters happen, the traditional method is to pile and throw sand bags temporarily to build the dykes and dams, but the engineering quantity is large, and the efficiency is low. For breach or dam break, the existing emergency method uses a mobile emergency dam prepared in advance to perform anti-blocking emergency rescue. For example, chinese patent publication No. CN1271285C discloses a movable dam for movable submerged floating, which refers to that … is provided with a water inlet mechanism on the side panel or bottom panel of the unit box body, and a connection fixing mechanism on the panel on the periphery of the side panel. The unit box body is an integral structural box body or a combined structural box body formed by embedding panels. … the water inlet mechanism contains water inlet, valve operating lever and rotating handwheel, … the water outlet mechanism contains water pump or immersible pump, water outlet pipe and air inlet pipe, wherein the water pump or immersible pump is installed on the top plate of the unit box body, the water outlet pipe is connected … "with the water pump or immersible pump. When the movable dam is actually installed, the movable dam before being filled with water floats to a breach, a hand wheel is manually operated to rotate to open a water inlet valve by climbing onto the top surface of the movable dam, the method is extremely unsafe and low in efficiency, all water in a box body needs to be pumped by a water pump after the movable dam is used, the drainage time is quite long, a power supply needs to be temporarily externally connected, and construction is extremely inconvenient. The safety and the time efficiency are very critical when emergency rescue is carried out aiming at plugging breach or dam break. How to improve the activity dykes and dams, utilize the elevating system who does not have drive power to open fast and close the inlet and outlet, implement remote control and accomplish quick water injection and quick drainage, improve security, convenience and the water inlet and outlet efficiency of operation and be the problem that at present awaits the solution.

SUMMERY OF THE UTILITY MODEL

For overcoming not enough among the prior art, the utility model discloses a portable steel structure dykes and dams of emergency usefulness, construct case, elevating gear, unsteady balancing weight and chamber door closes the piece including the steel. The utility model discloses a lifting device is unpowered traction and has the elevating system that the locking sprocket commutates, and lifting device concatenates the side door and the floating weight block that the chamber door closed piece respectively at the both ends of chain and places in the both sides of sprocket, and concatenates the bottom door below the floating weight block, utilizes the gravity difference and the buoyancy's of both sides influence to and utilize the rotatory locking state of wireless remote control sprocket, makes the side door and the bottom door of opening and close the hole of intaking and draining realize automatic rising, need not the manual work and climb the box and open the valve and can accomplish steel structure dykes and dams water injection fast; when the steel structure dam is lifted after use, the side door and the bottom door are automatically lifted for drainage, the power pump row is not needed, and the operation is very convenient. The utility model discloses utilize the portable steel structure dykes and dams of unpowered towed wireless remote control elevating gear preparation, can open fast and close the inlet and outlet and realize quick water injection and drainage, can improve security, convenience and the operating efficiency of operation.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a portable steel structure dykes and dams of emergency use which characterized in that: including steel structure case, elevating gear, balancing weight and chamber door closes the piece, the steel structure case be by roof, diapire and the long flat cavity body that the lateral wall surrounds all around and form, can be used for shutoff levee breach as interim dykes and dams behind the steel structure case injected water, the front of steel structure case is established to the upstream face, be equipped with the hole that is used for advancing the drainage on the upstream face lateral wall board of steel structure case and on the bottom wall board respectively, and the hole is closed or is opened by the chamber door that can close and open closes the piece, the chamber door close piece include side door and bottom door and place the inboard of upstream face lateral wall hole and the outside of diapire hole respectively, elevating gear be unpowered traction and have the elevating system of the sprocket switching-over that can stop, elevating gear concatenate side door and balancing weight respectively at the both ends of chain and place the both sides of sprocket in for the chain, the balancing weight that floats for the long flat object of long flat that can float in aqueous, its dead weight is greater than the weight of side door and its buoyancy in aqueous is greater than the weight sum of side door, bottom door and floating weight piece three, and floating weight piece can pull the side door and rise and open the side hole when anhydrous buoyancy influences, and floating weight piece can make the side door descend and shutoff side hole under the buoyancy influence that has water, or can make the side door descend and shutoff side hole and usable sprocket locking under the exogenic action, the bottom door connect in floating weight piece's below with the hawser, the usable dead weight of bottom door descends and opens diapire hole and usable floating weight piece's buoyancy and pull and rise shutoff diapire hole, elevating gear's sprocket locking state can be by wireless remote control, the elevating gear rigid coupling is on the roof of steel structure case, floating weight piece hang in the cavity of steel structure case through elevating gear's chain.

The lifting device comprises a stopping component, a fixing plate, a rotating plate, a chain wheel group, a chain and a traction rope, wherein the chain wheel group comprises a chain wheel, a rotating shaft and bearing seats arranged on two sides of the chain wheel, the rotating plate is a circular plate with a plurality of second pin holes, the rotating plate is fixedly connected to one end of the rotating shaft of the chain wheel group and can rotate along with the chain wheel, the plurality of second pin holes in the rotating plate are uniformly distributed on the same circumference, the circumference center of the second pin holes is concentric with the rotating shaft center of the chain wheel group, the fixing plate is provided with a first pin hole, the aperture of the first pin hole is the same as that of the second pin hole, the fixing plate is arranged on one side of the rotating plate and is parallel to the rotating plate, the fixing plate is fixedly connected to a frame body of the stopping component, the distance between the circle center of the first pin hole in the fixing plate and the rotating shaft center of, the stop assembly is a mechanism which is provided with a self-contained power supply and can realize linear forward and backward movement through wireless remote control, a stop pin is arranged at the end part of the stop assembly, the outer diameter of the stop pin is smaller than the aperture of the first pin hole and the aperture of the second pin hole, the stop pin can be simultaneously inserted into the first pin hole on the fixed plate and any second pin hole on the rotating plate to limit the rotation of the rotating plate, and the stop pin can also be pulled out from any second pin hole on the rotating plate to release the rotation limit of the rotating plate.

Furthermore, the chain is a bush roller chain, a chain wheel of the chain wheel group is matched with the chain to form a pair of chain transmission pairs, and the traction rope is a nylon rope or a steel wire rope.

The stopping assembly further comprises a fixing frame, a power supply, a wireless controller and an electric push rod, the electric push rod is fixedly connected to the fixing frame, the center line of the push rod coincides with the center line of the first pin hole in the fixing plate, the stop pin is fixedly connected to the end of the push rod of the electric push rod, the push rod of the electric push rod can drive the stop pin to be inserted into and pulled out of the first pin hole and the second pin hole when moving forwards and backwards in a straight line, the power supply is a storage battery power supply and can supply power to the electric push rod, the wireless controller comprises a wireless remote controller and a wireless receiving control device and can remotely control the forward and backward movement of the electric push rod, the power supply and the wireless receiving control device of the wireless controller are electrically connected with the electric push rod, and the power supply and the wireless receiving control device of the wireless controller are.

The steel structure box comprises a box body, an upper limit block, a slide rail, a lower limit block and a bottom support block, wherein the box body is a long flat cavity body which is surrounded by a top wall, a bottom wall and peripheral side walls, is internally provided with a partition plate and is communicated with the top wall, the bottom wall and the peripheral side walls, side holes and bottom holes are respectively arranged on the side wall plate on the upstream side of the box body and the bottom wall plate of the box body, the slide rails are a pair of slide groove rails which are arranged in parallel and are fixedly connected with the inner side of the side wall plate of the upstream face of the box body, and are arranged at the left and right sides of the side hole, the side door is embedded in the chute of the slide rail and can slide up and down in the chute, the upper limiting block and the lower limiting block are respectively fixed on the upper part and the lower part of the left track and the right track of the slide rail and are used for limiting the upper limit position and the lower limit position when the side door slides, the bottom support block is an L-shaped horn-shaped piece, and a wing plate of the bottom support block is fixedly connected to the outer side of the bottom wall plate of the box body and is arranged on the right side edge of the bottom hole to be used for limiting the limit position when the bottom door is opened.

Further, the box top of steel structure case be equipped with the exhaust hole of taking the protection network, the top still is equipped with the rings that are used for the hoist and mount and the anchor pile that is used for the anchoring, the top still is equipped with all around and is used for the go-between that the multiunit steel constructs the dykes and dams series connection or bind when parallelly connected with and is used for the tether ring of horizontal traction removal.

The left side edge of the bottom door is provided with a rotatable hinge which is fixedly connected to the outer side of the bottom wall plate of the box body and is arranged on the left side edge of the bottom hole, the right side edge of the bottom door is arranged above the L-shaped supporting plate of the bottom supporting block, and the bottom door is limited by the bottom supporting block when being opened by downward rotation.

Furthermore, the steel box and the box door closing piece are both made of steel parts, and the floating balancing weight is made of wood.

As can be seen from the above description, the utility model provides a pair of portable steel that emergency used constructs dykes and dams's advantage lies in: firstly, the side door and the floating counterweight block of a box door assembly are respectively connected in series at two ends of a chain which passes through a chain wheel with a stopping device, and a bottom door is connected in series below the floating counterweight block, so that the side door and the bottom door which open and close a hole for water inlet and drainage are automatically lifted by utilizing the gravity difference and buoyancy influence of two sides and the stopping state of the rotation of a remote control chain wheel, and the water injection of a steel dam can be quickly finished without manually climbing a box body to open a valve; and secondly, when the steel-structure dam is lifted after use, the side door and the bottom door are automatically lifted for drainage, an electric pump row is not needed, and the operation is very convenient. The utility model discloses security, convenience and the operating efficiency of operation can be improved. The utility model relates to a rationally, simple structure, low cost, facilitate promotion.

Drawings

Fig. 1 is the general schematic diagram of the movable steel dam for emergency use of the present invention.

FIG. 2 is a schematic view A-A.

Fig. 3 is an enlarged view of part B.

Fig. 4 is an enlarged schematic view of the portion C.

FIG. 5 is a schematic view of the internal structure of the case body after being longitudinally cut

FIG. 6 is an enlarged view of the position relationship between the fixing plate and the fixing frame

FIG. 7 is an enlarged view of the rotating plate

FIG. 8 is a schematic view showing the opened state of the side door and the bottom door

Reference numerals:

1, constructing a steel box; 11 a box body; 111 side holes; 112 bottom hole; 12 an upper limiting block; 13 sliding rails; 14 lower limit block; 15, a bottom support block; 2, a lifting device; 21 a stop assembly; 211 fixing frames; 212 a power supply; 213 a wireless controller; 214 an electric push rod; 215 a retaining pin; 22 fixing the board; 221 a first pin hole; 23 rotating the plate; 231 a second pin hole; 24 sprocket sets; 25, chains; 26 pulling the rope; 3, floating balancing weight; 4 a door closing member; a 41-side door; 42 bottom door.

Detailed Description

The present invention will be further described with reference to the following detailed description.

As shown in figures 1 to 7, the movable steel dam for emergency comprises a steel box 1, a lifting device 2, a floating balancing weight 3 and a box door closing piece 4. The steel box 1 comprises a box body 11, an upper limiting block 12, a sliding rail 13, a lower limiting block 14 and a bottom block 15, wherein the box body 11 is a long flat cavity surrounded by a top wall, a bottom wall and peripheral side walls, a partition plate is arranged in the cavity, and the long flat cavity is communicated with the cavity, a side hole 111 and a bottom hole 112 are respectively arranged on a water-facing side wall plate and the bottom wall plate of the box body 11, the sliding rail 13 is a pair of sliding groove rails arranged in parallel and fixedly connected to the inner side of the water-facing side wall plate of the box body 11 and arranged on the left side and the right side of the side hole 111, the upper limiting block 12 and the lower limiting block 14 are respectively and fixedly connected to the upper part and the lower part of a left rail and a right rail of the sliding rail 13, the bottom block 15 is an L-shaped horn-shaped piece, and a wing plate of the bottom block 15 is fixedly connected to the; the 11 tops of box of steel structure case 1 be equipped with the exhaust hole of taking the protection network, the top still is equipped with the rings that are used for hoist and mount and the anchor pile that is used for the anchoring, the top still is equipped with all around and is used for the go-between that the multiunit steel constructs the dykes and dams series connection or bind when parallelly connected with and is used for the stay cord ring of horizontal traction removal. Elevating gear 2 include locking subassembly 21, fixed plate 22, rotor plate 23, sprocket group 24, chain 25 and haulage rope 26, sprocket group 24 include sprocket, pivot and arrange the bearing frame of sprocket both sides in, rotor plate 23 be the plectane that has a plurality of second pinhole 231, rotor plate 23 rigid coupling is in sprocket group 24 pivot one end and can rotate along with the sprocket, a plurality of second pinhole 231 equipartition on rotor plate 23 is on same circumference and the pivot center of circumference center and sprocket group 24 is concentric, fixed plate 22 on be equipped with first pinhole 221 and the aperture of first pinhole 221 is the same with second pinhole 231 aperture, fixed plate 22 arrange one side of rotor plate 23 in and parallel with rotor plate 23, fixed plate 22 rigid coupling is on locking subassembly 21's support body, the distance between the centre of a circle of first pinhole 221 on fixed plate 22 to sprocket group 24's pivot center equals the centre of a circle between the centre of a circle of arbitrary second pinhole 231 on rotor plate 23 to sprocket group 24's pivot center A stopper assembly 21 having a self-contained power source and capable of linearly moving forward and backward by wireless remote control, wherein the stopper assembly 21 has a stopper pin 215 at an end thereof, the stopper pin 215 has an outer diameter smaller than the diameters of the first pin hole 221 and the second pin hole 231, the stopper pin 215 can be simultaneously inserted into the first pin hole 221 of the fixed plate 22 and any one of the second pin holes 231 of the pivotal plate 23 to restrict the pivotal plate 23 from pivoting, and the stopper pin 215 can be also withdrawn from any one of the second pin holes 231 of the pivotal plate 23 to release the restriction of the pivotal plate 23 from pivoting; the chain 25 is a bush roller chain, and the chain wheel of the chain wheel group 24 is matched with the chain 25 to form a pair of chain transmission pairs; the stopping assembly 21 further comprises a fixing frame 211, a power source 212, a wireless controller 213 and an electric push rod 214, wherein the electric push rod 214 is fixedly connected to the fixing frame 211, the central line of the push rod coincides with the central line of the first pin hole 221 on the fixing plate 22, the stop pin 215 is fixedly connected to the end of the push rod of the electric push rod 214, the push rod of the electric push rod 214 can drive the stop pin 215 to insert and extract from the first pin hole 221 and the second pin hole 231 when moving linearly forward and backward, the power supply 212 is a storage battery power supply and can supply power to the electric push rod 214, the wireless controller 213 comprises a wireless remote controller and a wireless receiving control device, and can remotely control the advancing and retreating actions of the electric push rod 214, the power supply 212 and the wireless receiving control device of the wireless controller 213 are electrically connected with the electric push rod 214, the power supply 212 and the wireless receiving control device of the wireless controller 213 are both fixed on the fixing frame 211. Chamber door closes piece 4 include side door 41 and bottom door 42 and side door 41 and bottom door 42 arrange the inboard bottom hole 112's of the lateral opening 111 of the upstream face lateral wall of steel case 1 and diapire respectively in the outside, side door 41 imbed in the spout of slide rail 13 and can slide from top to bottom in the spout to limit with last spacing block 12 and lower spacing block 14 upper and lower extreme position when sliding from top to bottom side door 41, bottom door 42 left side be equipped with rotatable hinge, and the hinge rigid coupling is placed in bottom wall board's of box 11 the outside and bottom hole 112's left side limit, bottom door 42's right side limit is placed in bottom bracket block 15 "L" shape layer board top, and bottom door 42 limits its extreme position of opening by bottom bracket block 15 when opening to the rotation down. The lifting device 2 is characterized in that the side door 41 and the floating counterweight block 3 are respectively connected in series at two ends of the chain 25 by the chain 25 and arranged at two sides of the chain wheel, the floating counterweight block 3 is a long and flat object capable of floating in water, the self weight of the floating counterweight block is greater than the weight of the side door 41, the buoyancy of the floating counterweight block in water is greater than the sum of the weights of the side door 41, the bottom door 42 and the floating counterweight block 3, the floating counterweight block 3 can pull the side door 41 to rise and open side holes when no buoyancy of water affects, the floating counterweight block 3 can make the side door 41 fall and block the side holes 111 under the influence of the buoyancy of water, or can make the side door 41 fall and block the side holes 111 under the external force effect, and can utilize the dead weight to fall to open the bottom hole 112 of the bottom wall and can pull the buoyancy of the floating counterweight block 112 to rise and block the bottom wall by inserting the stop pin 215 into the first pin 221 and the second pin 231, the bottom door 42 is connected below, the lifting device 2 is fixedly connected to the top wall of the box body 11, and the floating counterweight block 3 is suspended in the cavity of the box body 11 through a chain 25 of the lifting device 2.

As shown in fig. 8, when the floating weight block 3 of the present invention is influenced by the buoyancy of water, the self weight of the floating weight block 3 is greater than the weight of the side door 41, and the floating weight block 3 falls down and pulls the side door 41 to lift up to open the side hole 111; when the pulling rope 26 is in a loose state, the bottom door 42 can rotate downwards around the hinge by self weight to fall on the supporting plate of the bottom bracket block 15 and open the bottom hole 112 of the bottom wall.

A portable steel structure dykes and dams application method of emergency usefulness as follows:

before a river dam breach or a dam break needs emergency rescue and plugging, the side door 41 of the steel dam is pulled down to seal the side hole 111, the electric push rod 214 is instructed to insert the stop pin 215 into the first pin hole 221 and a corresponding certain second pin hole 231, and the chain wheel of the chain wheel set 24 is locked. Since the floating weight 3 is pulled up at this time, the bottom door 42 is simultaneously pulled up to seal the bottom hole 112.

Put this steel structure dykes and dams into aquatic and pull with the ship and make it float by diving and move to breach or dam break department, move with remote controller instruction electric putter 214, extract stop pin 215 from in the second pinhole 231, because the weight of unsteady balancing weight 3 is greater than the weight of side door 41 this moment, unsteady balancing weight 3 whereabouts pulling side door 41 upwards slides and makes side opening 111 open, and the rivers outside box 11 just can be fast to the cavity intussuseption of box 11 water injection. The side hole 111 is covered because the water pressure outside the bottom door 42 is greater than the water pressure inside the tank.

When the incasement water level contacted the balancing weight 3 that floats, because the influence of buoyancy, balancing weight 3 that floats no longer falls, nevertheless box 11 sinks to make the relative height of balancing weight 3 that floats move up this moment, and side door 41 gliding this moment makes side opening 111 covered no longer the water injection, and this steel constructs the dykes and dams and sinks the back installation and take one's place so far, and reuse anchor rope is fixed.

If the breach is wider or the water flow is more urgent, a plurality of steel structure dams can be used in series or in parallel.

When the rescue is finished and the new dam is built, the steel dam can be moved away for the next reuse. The steel structure dam can be moved and lifted by a crane, at the moment, the water in the cavity of the box body 11 is pressed downwards to enable the bottom door 42 to turn downwards to enable the bottom hole 112 to be opened for drainage, the water level in the box body descends, the floating counterweight block 3 falls to pull the side door 41 to slide upwards to enable the side hole 111 to be opened for synchronous drainage, and the water in the box body 11 can be drained completely and quickly.

The utility model discloses utilize the portable steel structure dykes and dams of unpowered towed wireless remote control elevating gear preparation, can open fast and close the inlet and outlet and realize quick water injection and drainage, can improve security, convenience and the operating efficiency of operation.

In the explanation of the present invention, the terms such as "left" and "right" are used for indicating the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, and are only for convenience of simplifying the description, and do not explicitly or implicitly indicate the specific orientation or the positional relationship which must be possessed, and thus, the present invention should not be construed as being limited to the protection contents of the present invention.

In the description of the present invention, terms such as "first", "second", etc. are used to define the position. The use of "first" and "second" is merely for convenience of simplifying the description, and no particular meaning is implied unless specifically stated to the contrary.

The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited to this, and the present invention is to be modified immaterial by this concept, and all should belong to the act of infringing the protection scope of the present invention.

Claims

1. The utility model provides a portable steel structure dykes and dams of emergency use which characterized in that: including steel structure case (1), elevating gear (2), balancing weight (3) and chamber door closes piece (4) float, steel structure case (1) be by roof, diapire and the long flat cavity body that the lateral wall surrounds all around and form, can be used for the shutoff dyke breach as interim dyke-dam behind the steel structure case (1) injected water, the front of steel structure case (1) is established to the upstream face, be equipped with the hole that is used for into drainage respectively on the upstream face lateral wall board of steel structure case (1) and on the bottom wall board, and the hole is sealed or is opened by the chamber door closes piece (4) that can close and open, chamber door close piece (4) including side door (41) and bottom door (42) and side door (41) and bottom door (42) arrange the inboard of upstream face lateral wall hole and the outside of diapire hole respectively in, elevating gear (2) be unpowered traction and have the elevating system of the switching-over sprocket that can stop, elevating gear (2) concatenate side door (41) and floating balancing weight (3) respectively at the both ends of chain and arrange the both sides of sprocket in with the chain, floating balancing weight (3) be the object of the long flat form that can float in aqueous, its dead weight is greater than the weight of side door (41) and its buoyancy in aqueous is greater than side door (41), bottom door (42) and floating balancing weight (3) three's weight sum, floating balancing weight (3) can pull side door (41) to rise and open the side hole when anhydrous buoyancy influences, floating balancing weight (3) can make side door (41) descend and shutoff side hole under the influence of the buoyancy that has water, or can make side door (41) descend and shutoff side hole and usable sprocket locking under the exogenic action, bottom door (42) connect the below at floating balancing weight (3) with the hawser, the buoyancy that bottom door (42) usable dead weight descends and opens bottom wall hole and usable floating balancing weight (3) pulls the shutoff bottom wall that rises The hole, elevating gear (2) the sprocket locking state can be by wireless remote control, elevating gear (2) rigid coupling on the roof of steel structure case (1), unsteady balancing weight (3) hang in the cavity of steel structure case (1) through the chain of elevating gear (2).

2. An emergency portable steel constructed embankment as claimed in claim 1, wherein: the lifting device (2) comprises a stopping component (21), a fixing plate (22), a rotating plate (23), a chain wheel set (24), a chain (25) and a traction rope (26), wherein the chain wheel set (24) comprises a chain wheel, a rotating shaft and bearing seats arranged on two sides of the chain wheel, the rotating plate (23) is a circular plate with a plurality of second pin holes (231), the rotating plate (23) is fixedly connected to one end of the rotating shaft of the chain wheel set (24) and can rotate along with the chain wheel, the plurality of second pin holes (231) in the rotating plate (23) are uniformly distributed on the same circumference, the circumference center of the second pin holes is concentric with the rotating shaft center of the chain wheel set (24), the fixing plate (22) is provided with a first pin hole (221) and the aperture of the first pin hole (221) is identical to the aperture of the second pin hole (231), the fixing plate (22) is arranged on one side of the rotating plate (23) and is parallel to the rotating plate (23), the fixing plate (22) is fixedly connected to, the distance between the circle center of the first pin hole (221) on the fixed plate (22) and the center of the rotating shaft of the chain wheel set (24) is equal to the distance between the circle center of any second pin hole (231) on the rotating plate (23) and the center of the rotating shaft of the chain wheel set (24), the stopping component (21) is a mechanism which is provided with a self-contained power supply and can realize linear forward and backward movement through wireless remote control, the end part of the stopping component (21) is provided with a stopping pin (215), the outer diameter of the stopping pin (215) is smaller than the bore diameters of the first pin hole (221) and the second pin hole (231), the stop pin (215) can be simultaneously inserted into the first pin hole (221) on the fixed plate (22) and any second pin hole (231) on the rotating plate (23) to limit the rotation of the rotating plate (23), and the stop pin (215) can also be extracted from any second pin hole (231) on the rotating plate (23) to release the rotation limitation of the rotating plate (23).

3. An emergency portable steel constructed embankment as claimed in claim 2, wherein: the chain (25) is a sleeve roller chain, a chain wheel of the chain wheel set (24) is matched with the chain (25) to form a pair of chain transmission pairs, and the traction rope (26) is a nylon rope or a steel wire rope.

4. An emergency portable steel constructed embankment as claimed in claim 2, wherein: the stopping assembly (21) further comprises a fixing frame (211), a power supply (212), a wireless controller (213) and an electric push rod (214), wherein the electric push rod (214) is fixedly connected to the fixing frame (211), the center line of the push rod is overlapped with the center line of a first pin hole (221) in the fixing plate (22), the stopping pin (215) is fixedly connected to the end of the push rod of the electric push rod (214), the push rod of the electric push rod (214) can drive the stopping pin (215) to be inserted into and pulled out of the first pin hole (221) and a second pin hole (231) when moving forwards and backwards in a straight line, the power supply (212) is a storage battery power supply and can supply power to the electric push rod (214), the wireless controller (213) comprises a wireless remote controller and a wireless receiving control device, the power supply (212) and the wireless receiving control device of the wireless controller (213) are electrically connected with the electric push rod (214), the power supply (212) and the wireless receiving control device of the wireless controller (213) are fixedly connected on the fixed frame (211).

5. An emergency portable steel constructed embankment as claimed in claim 4, wherein: the steel structure box (1) comprises a box body (11), an upper limiting block (12), a sliding rail (13), a lower limiting block (14) and a bottom supporting block (15), wherein the box body (11) is a long flat cavity body surrounded by a top wall, a bottom wall and side walls all around, a partition plate is arranged inside the cavity body, the cavity body is communicated with the side walls of the box body (11), side holes (111) and bottom holes (112) are respectively arranged on the side wall plate facing the water surface and the bottom wall plate of the box body (11), the sliding rail (13) is a pair of sliding groove rails arranged in parallel and fixedly connected on the inner side of the side wall plate facing the water surface of the box body (11), the side holes (111) are arranged on the left side and the right side, a side door (41) is embedded into the sliding groove of the sliding rail (13) and can slide up and down in the sliding groove, the upper limiting block (12) and the lower limiting block (14) are respectively arranged on the upper portion and the lower portion of the left and the right side rail, the bottom support block (15) is an L-shaped horn-shaped piece, and a wing plate of the bottom support block (15) is fixedly connected to the outer side of a bottom wall plate of the box body (11) and is arranged on the right side edge of the bottom hole (112) to limit the limit position when the bottom door (42) is opened.

6. An emergency portable steel constructed embankment as claimed in claim 5, wherein: the steel structure box (1) box (11) top be equipped with the exhaust hole of taking the protection network, the top still is equipped with the rings that are used for hoist and mount and the anchor pile that is used for the anchoring, the top still is equipped with all around and is used for the go-between that the multiunit steel constructs the dykes and dams series connection or bind when parallelly connected and is used for the tie rope ring of horizontal traction removal.

7. An emergency portable steel constructed embankment as claimed in claim 6, wherein: the left side edge of the bottom door (42) is provided with a rotatable hinge which is fixedly connected to the outer side of the bottom wall plate of the box body (11) and is arranged on the left side edge of the bottom hole (112), the right side edge of the bottom door (42) is arranged above an L-shaped supporting plate of the bottom supporting block (15), and the bottom door (42) is limited by the bottom supporting block (15) to be opened when being opened in a downward rotating mode.

8. An emergency portable steel constructed embankment as claimed in claim 7, wherein: the steel structure box (1) and the box door assembly (4) are both made of steel parts, and the floating balancing weight (3) is made of wood.