CN115418929B - Inflating system and inflation method of water trestle - Google Patents
Inflating system and inflation method of water trestleInfo
- Publication number
- CN115418929B CN115418929B CN202210970429.8A CN202210970429A CN115418929B CN 115418929 B CN115418929 B CN 115418929B CN 202210970429 A CN202210970429 A CN 202210970429A CN 115418929 B CN115418929 B CN 115418929B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/14—Floating bridges, e.g. pontoon bridges
- E01D15/20—Floating bridges, e.g. pontoon bridges collapsible, expandable, inflatable or the like with main load supporting structure consisting only of non-rigid members
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses an inflation system of a water trestle and an inflation method thereof, wherein the inflation system comprises a rubber air bag part, an inflation part and an electrical control part, the rubber air bag part comprises more than two side air bags, the side air bags are used for providing buoyancy for a bridge span on water, each side air bag is provided with a vent pipe, each vent pipe is provided with an electromagnetic ball valve, the inflation part comprises a vehicle-mounted inflation part and a bridge span inflation part, the vehicle-mounted inflation part is used for rapidly inflating and exhausting the side air bags, the bridge span inflation part is used for supplementing air for the side air bags, and the electrical control part is used for controlling the opening and closing of all the electromagnetic ball valves according to the air pressure value in the side air bags so as to inflate, exhaust or supplement air for the side air bags. The invention can simultaneously inflate the side air bags before the trestle floods, simultaneously pump the side air bags before the trestle is loaded on the carrier vehicle, and supplement air after the air leakage pressure of the side air bags is reduced when the trestle sails on water.
Description
Technical Field
The invention belongs to the technical field of water trestle, and particularly relates to an inflation system and an inflation method of the water trestle.
Background
Before flashing, a certain water trestle needs to be inflated simultaneously with a plurality of side air bags, and before loading the water trestle onto a carrier vehicle, the plurality of side air bags need to be simultaneously inflated, so that the water trestle erection time is ensured, and the inflation and air-suction time of the side air bags cannot be too long. When the landing stage sails on water after the side air bags are inflated, the buoyancy of the landing stage on water is insufficient due to the fact that the air leakage pressure of the side air bags is reduced, and sailing operation of the landing stage on water is affected.
Disclosure of Invention
In view of the above, the invention provides an inflation system and an inflation method for a water trestle, which can simultaneously inflate a plurality of side air bags before the trestle floods, simultaneously deflate the side air bags before the trestle is loaded on a carrier vehicle, and supplement air after the air leakage pressure of the side air bags is reduced when the trestle sails on water.
The invention is realized by the following technical scheme:
An inflation system of a water trestle comprises a rubber air bag part, an inflation part and an electrical control part;
The rubber air bag part comprises more than two side air bags with the same size, wherein the more than two side air bags are used for providing buoyancy for a bridge span on water;
The vehicle-mounted inflating part is positioned on the bridge carrier and used for quickly inflating and exhausting the contralateral air bag when the bridge span is connected with the bridge carrier;
The electric control part is used for controlling the opening and closing of all electromagnetic ball valves according to the air pressure value in the side air bags so as to inflate, exhaust or supplement air for the side air bags.
Furthermore, all the vent pipes are communicated through one connecting pipe, more than one connecting joint pipe is arranged in the middle of the connecting pipe, a quick-change joint is arranged at the tail end of each connecting joint pipe, and an electromagnetic ball valve is arranged on each connecting joint pipe.
Further, the bridge span inflating part comprises a bridge span high-pressure blower and a bridge span hydraulic motor;
The air outlet end of the bridge span high-pressure air blower is connected and communicated with the connecting pipe through a pipeline B, and an electromagnetic ball valve V is arranged on the pipeline B;
The bridge span hydraulic motor is connected with the bridge span high-pressure air blower and used for driving the bridge span high-pressure air blower to rotate clockwise for air supply.
Further, the vehicle-mounted inflating part comprises a vehicle-mounted high-pressure blower, a vehicle-mounted hydraulic motor and a gas loop;
The gas loop is provided with a gas inlet pipe and a gas outlet pipe, one end of the gas inlet pipe is communicated with the gas loop, the other end of the gas inlet pipe is communicated with the external atmosphere, and one end of the gas outlet pipe is communicated with the gas loop, and the other end of the gas outlet pipe is communicated with the external atmosphere; the electromagnetic ball valve I is arranged on the air inlet pipe, the electromagnetic ball valve II is arranged on the air outlet pipe, the electromagnetic ball valves I and II are respectively arranged on the air loop, and the electromagnetic ball valve I is closer to the air outlet pipe than the electromagnetic ball valve II;
The gas loop is detachably connected with the quick-change connector of any connecting connector pipe through a pipeline A, the gas loop is communicated with the connecting connector pipe, and the intersection point of the pipeline A and the gas loop is positioned between the electromagnetic ball valve nine and the electromagnetic ball valve eleven;
the vehicle-mounted high-pressure air blower is connected in series on the gas loop and is positioned between the gas inlet pipe and the gas outlet pipe, the gas inlet end of the vehicle-mounted high-pressure air blower is positioned on the side where the gas inlet pipe is positioned, and the gas outlet end of the vehicle-mounted high-pressure air blower is positioned on the side where the gas outlet pipe is positioned;
The vehicle-mounted hydraulic motor is connected with the vehicle-mounted high-pressure air blower and used for driving the vehicle-mounted high-pressure air blower to rotate clockwise for air supply.
Further, the electric control part comprises a control unit and pressure sensors with the same number as that of the side air bags, each breather pipe is provided with one pressure sensor,
The pressure sensors are respectively used for detecting the air pressure values in the corresponding side air bags and sending the air pressure values to the control unit, and the control unit controls the opening and closing of all the electromagnetic ball valves according to the received air pressure values so as to inflate, exhaust or supplement air for the side air bags.
An inflation method of an inflation system of a water trestle, the inflation method is based on the inflation system of the water trestle, and the method comprises the following steps:
When the bridge transporting vehicle is not separated from the bridge span, the vehicle-mounted inflating part is detachably connected with the quick-change connector of any one of the connecting connector pipes, at the moment, the electromagnetic ball valve five on the bridge span inflating part is closed, then the electromagnetic ball valve nine and the electromagnetic ball valve ten are opened, the electromagnetic ball valve eight and the electromagnetic ball valve eleven are closed, and simultaneously, the electromagnetic ball valves on the vent pipes of all side air bags and the electromagnetic ball valves on the connecting connector pipes are opened; starting a vehicle-mounted hydraulic motor, driving a vehicle-mounted high-pressure air blower to rotate clockwise and sucking air through an air inlet pipe, wherein the sucked air sequentially enters a connecting joint pipe, an air pipe and all side air bags through an opened electromagnetic ball valve nine, and the vehicle-mounted high-pressure air blower rapidly inflates all the side air bags simultaneously;
When the pressure sensor detects that the air pressure in the corresponding side air bag is reduced to a set value, the diesel engine starts a bridge hydraulic motor to drive a bridge high-pressure air blower to rotate clockwise and suck air, simultaneously opens an electromagnetic ball valve corresponding to the electromagnetic ball valve five on the bridge air charging part and the side air bag with reduced air pressure, closes the electromagnetic ball valve on a connecting joint pipe, and supplements air for the side air bag with reduced air pressure, and when the pressure sensor corresponding to the side air bag detects that the air pressure in the side air bag reaches the set value, all the electromagnetic ball valves are closed, and the side air bag stops supplementing air to complete timely supplementing air for the side air bag;
When the bridge span is connected with the bridge transporting vehicle, the vehicle-mounted inflating part is detachably connected with a quick-change connector of any one of the connecting connector pipes, at the moment, the electromagnetic ball valve five on the bridge span inflating part is closed, then the electromagnetic ball valve eight and the electromagnetic ball valve eleven are opened, the electromagnetic ball valve nine and the electromagnetic ball valve eleven are closed, the electromagnetic ball valves on the vent pipes of all the side air bags and the electromagnetic ball valves on the connecting connector pipes are opened simultaneously, the vehicle-mounted hydraulic motor is started to drive the vehicle-mounted blower to rotate clockwise, air in all the side air bags is sequentially sucked into the vent pipes, the connecting pipes and the connecting connector pipes, finally, the air is discharged through the exhaust pipe, the vehicle-mounted high-pressure blower simultaneously and rapidly pumps air to all the side air bags, and when the pressure sensor detects that the air pressure in each side air bag reaches a set value, the control unit closes the electromagnetic ball valves on all the vent pipes, and the side air bag pumping process is completed.
The beneficial effects are that:
(1) The invention provides an inflation system of a water trestle, which comprises a vehicle-mounted inflation part and a bridge span inflation part, wherein a plurality of side air bags can be inflated simultaneously through the vehicle-mounted inflation part before the trestle (namely the bridge span) floods, the plurality of side air bags can be pumped simultaneously through the vehicle-mounted inflation part before the trestle is loaded on a carrier vehicle, and when the trestle sails on water, the side air bags can be timely inflated through the bridge span inflation part after the air leakage pressure of the side air bags is reduced.
(2) The invention provides an inflation system of a water trestle, wherein an inflatable part of a bridge span comprises a bridge span high-pressure air blower and a bridge span hydraulic motor, and the bridge span high-pressure air blower can be started to timely supplement air to a side air bag when the air pressure in the side air bag is lower than a set value.
(3) The invention provides an inflation system of a water trestle, wherein a vehicle-mounted inflation part comprises a vehicle-mounted high-pressure blower, a vehicle-mounted hydraulic motor and a gas loop, and a side airbag can be inflated and exhausted simultaneously by starting the vehicle-mounted high-pressure blower.
(4) The invention provides an inflation method of an inflation system of a water trestle, which can efficiently complete simultaneous inflation and air suction of an opposite side air bag of a vehicle-mounted high-pressure air blower without changing the steering of the vehicle-mounted high-pressure air blower by utilizing different combinations of electromagnetic ball valves, and when a pressure sensor detects that the air pressure in the opposite side air bag is lower than a set value, a starting bridge can timely supplement air to the opposite side air bag by crossing the high-pressure air blower, so that the sailing operation of the water trestle is ensured, and the inflation system of the water trestle is simple in operation, quick in response, reliable in performance and high in automation degree.
Drawings
FIG. 1 is a top view of a bridge span and rubber bladder portion of the present invention;
FIG. 2 is a front view of the bridge span and rubber bladder portion of the present invention;
FIG. 3 is a diagram of the composition of the inflation system of the present invention;
The hydraulic vehicle-mounted air conditioner comprises a 1-vehicle-mounted hydraulic motor, a 2-vehicle-mounted high-pressure air blower, a 3-vehicle-mounted safety valve, a 4-electromagnetic ball valve, a 5-bridge span hydraulic motor, a 6-bridge span high-pressure air blower, a 7-bridge span safety valve, an 8-pressure sensor, a 9-quick-change connector, a 10-side air bag I, a 11-side air bag II, a 12-side air bag III, a 13-side air bag IV, a 14-vent pipe, a 15-bridge span, a 16-connecting pipe, a 17-air inlet pipe and an 18-vent pipe.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
Example 1:
the embodiment provides an inflation system of a water trestle, which comprises a rubber air bag part, an inflation part and an electrical control part, wherein the rubber air bag part is connected with the inflation part;
Referring to fig. 1-3, the rubber bladder portion includes more than two side bladders of equal size for providing buoyancy to the trestle (i.e., bridge span 15) on water;
Four side air bags with the same size are adopted in the embodiment, namely a side air bag I10, a side air bag II 11, a side air bag III 12 and a side air bag IV 13, wherein the four side air bags are respectively arranged on two sides of a bridge span 15, two side air bags are respectively arranged on each side of the bridge span 15, the side air bag I10 and the side air bag III 12 are positioned on the same side of the bridge span 15, and the side air bag II 11 and the side air bag IV 13 are positioned on the other side of the bridge span 15;
Each side airbag is provided with a vent pipe 14, each vent pipe 14 is provided with an electromagnetic ball valve 4, namely, a vent pipe I of a side airbag I10 is provided with an electromagnetic ball valve SV1, a vent pipe II of a side airbag II 11 is provided with an electromagnetic ball valve SV2, a vent pipe III of a side airbag III 12 is provided with an electromagnetic ball valve SV3, and a vent pipe IV of a side airbag IV 13 is provided with an electromagnetic ball valve SV4;
The four vent pipes 14 are communicated through a connecting pipe 16, namely the tail ends of the vent pipes 14 on the side air bags I10 and III 12 are communicated with one end of the connecting pipe 16, the tail ends of the vent pipes 14 on the side air bags II 11 and IV 13 are communicated with the other end of the connecting pipe 16, and more than one connecting joint pipe is arranged in the middle of the connecting pipe 16;
The vehicle-mounted inflating part is positioned on the bridge carrier and used for quickly inflating and exhausting the contralateral air bag when the bridge span is connected with the bridge carrier;
referring to fig. 3, the vehicle-mounted inflating part comprises a vehicle-mounted high-pressure blower 2, a vehicle-mounted hydraulic motor 1 and a gas loop;
The electromagnetic valve is characterized in that an air inlet pipe 17 and an air outlet pipe 18 are arranged on the air loop, one end of the air inlet pipe 17 is communicated with the air loop, the other end of the air inlet pipe is communicated with the outside atmosphere, one end of the air outlet pipe 18 is communicated with the air loop, and the other end of the air outlet pipe is communicated with the outside atmosphere;
The gas loop is detachably connected with the quick-change connector 9 of any connecting joint pipe through a pipeline A, the gas loop is communicated with the connecting joint pipe, and the intersection point of the pipeline A and the gas loop is positioned between the electromagnetic ball valve nine SV9 and the electromagnetic ball valve eleven SV 11;
the vehicle-mounted high-pressure blower 2 is connected in series on the gas loop and is positioned between the gas inlet pipe 17 and the gas outlet pipe 18, the gas inlet end of the vehicle-mounted high-pressure blower 2 is positioned on the side of the gas inlet pipe 17, and the gas outlet end of the vehicle-mounted high-pressure blower 2 is positioned on the side of the gas outlet pipe 18;
The vehicle-mounted hydraulic motor 1 is connected with the vehicle-mounted high-pressure blower 2 and is used for driving the vehicle-mounted high-pressure blower 2 to rotate clockwise for air supply (the air supply amount generated when the vehicle-mounted high-pressure blower 2 rotates anticlockwise is small);
The gas loop is also provided with a vehicle-mounted safety valve 3, and the vehicle-mounted safety valve 3 is preferably positioned between the vehicle-mounted high-pressure blower 2 and the exhaust pipe 18;
the bridge span inflating part comprises a bridge span high-pressure blower 6 and a bridge span hydraulic motor 5;
The air outlet end of the bridge span high-pressure air blower 6 is connected and communicated with a connecting pipe 16 through a pipeline B, a bridge span safety valve 7 and an electromagnetic ball valve 4 are arranged on the pipeline B, and the electromagnetic ball valve 4 is an electromagnetic ball valve five SV5;
the bridge span hydraulic motor 5 is connected with the bridge span high pressure blower 6 and is used for driving the bridge span high pressure blower 6 to rotate clockwise for air supply.
The electric control part comprises a control unit and pressure sensors 8 with the same number as that of the side air bags, wherein the embodiment adopts four pressure sensors 8, namely, a first pressure sensor P1, a second pressure sensor P2, a third pressure sensor P3 and a fourth pressure sensor P4, the four pressure sensors 8 are respectively arranged on four vent pipes 14 in a one-to-one correspondence manner, namely, the first pressure sensor P1 is arranged on the first vent pipe, the second pressure sensor P2 is arranged on the second vent pipe, the third pressure sensor P3 is arranged on the third vent pipe, and the fourth pressure sensor P4 is arranged on the fourth vent pipe;
The four pressure sensors 8 are respectively used for detecting the air pressure value in the corresponding side air bags and sending the air pressure value to the control unit, and the control unit controls the opening and closing of the 11 electromagnetic ball valves 4 according to the received air pressure value so as to inflate, exhaust or supplement air for the side air bags, thereby realizing the control and safety detection of the inflation system.
When the vehicle-mounted inflating part inflates the side air bags, the air inlet pipe 17 is opened, the air outlet pipe 18 is closed, the vehicle-mounted high-pressure air blower rotates clockwise, the side air bags are inflated, when the pressure sensor detects that the air pressure in the side air bags reaches a set value, the control unit sends a control signal for closing the air bag inflating system, so that the electromagnetic ball valve on the vent pipe is closed, and the side air bag inflating process is completed;
When the vehicle-mounted inflating part is used for exhausting the side air bags, when a scheme of switching the reversing of the vehicle-mounted hydraulic motor to enable the vehicle-mounted high-pressure air blower to rotate anticlockwise is adopted, the air supply quantity generated when the vehicle-mounted high-pressure air blower rotates anticlockwise is small, so that a rapid exhausting function cannot be realized, at the moment, the exhaust pipe 18 is opened, the air inlet pipe 17 is closed, the vehicle-mounted high-pressure air blower still rotates clockwise, the side air bags are exhausted, and when the pressure sensor detects that the air pressure in the side air bags reaches a set value, the control unit sends a control signal for closing the air bag inflating system, so that the electromagnetic ball valve on the vent pipe is closed, and the air exhausting process of the side air bags is completed;
When the pressure sensor detects that the air pressure in the side air bag is lower than a set value, the electromagnetic ball valve on the bridge span air charging part is opened, the electromagnetic ball valve on the vent pipe of the side air bag with the air pressure lower than the set value is opened, the bridge span air charging part is started to supplement air for the side air bag, and the air supplement is stopped until the air pressure in the side air bag reaches the set value.
Example 2:
The embodiment provides an inflation method of an inflation system of a water trestle on the basis of embodiment 1, wherein the inflation method specifically comprises the following steps:
When the bridge truck is not separated from the bridge span 15, the vehicle-mounted inflating part is detachably connected with the quick-change connector 9 of any connecting connector pipe, in the embodiment, the vehicle-mounted inflating part is connected with the quick-change connector 9 of the connecting connector pipe I, at the moment, the electromagnetic ball valve five SV5 and the electromagnetic ball valve seven SV7 are closed, then the electromagnetic ball valve nine SV9 and the electromagnetic ball valve ten SV10 are opened, the electromagnetic ball valve eight SV8 and the electromagnetic ball valve eleven SV11 are closed, and meanwhile the electromagnetic ball valve one SV1, the electromagnetic ball valve two SV2, the electromagnetic ball valve three SV3, the electromagnetic ball valve four SV4 and the electromagnetic ball valve six SV6 are opened; the vehicle-mounted hydraulic motor 1 is started to drive the vehicle-mounted high-pressure blower 2 to rotate clockwise and suck air through the air inlet pipe 17, the sucked air enters the connecting joint pipe I through the opened electromagnetic ball valve nine SV9 and then enters the connecting pipe 16 and the four ventilating pipes 14, finally enters the side air bags I10, II 11, III 12 and IV 13, the vehicle-mounted high-pressure blower 2 realizes the simultaneous and rapid inflation of the side air bags I10, II 11, III 12 and IV 13, and when the four pressure sensors P1, P2, P3 and P4 detect that the air pressure in each side air bag reaches a set value, the control unit closes the electromagnetic ball valves 1, SV2, SV3, SV4 and SV6, and the inflation process of the side air bags is completed.
When the pressure sensors P1, P2, P3 and P4 detect that the air pressure in the corresponding side air bags drops to a set value, the diesel engine starts the bridge hydraulic motor 5 to drive the bridge high-pressure air blower 6 to rotate clockwise and suck air, simultaneously, the electromagnetic ball valve corresponding to the electromagnetic ball valve five SV5 and the air pressure-reduced side air bag is opened, the electromagnetic ball valve six SV6 and the electromagnetic ball valve seven SV7 are closed, the bridge high-pressure air blower 6 supplements the air pressure-reduced side air bags, and when the pressure sensors corresponding to the side air bags detect that the air pressure in the side air bags reaches the set value, all the electromagnetic ball valves are closed, and the side air bags stop supplementing air, so that the timely air supplementing of the side air bags is completed.
When the sailing operation of the bridge span 15 is finished, and the bridge span 15 is about to be loaded after being connected with the bridge transporting vehicle, the vehicle-mounted inflating part is detachably connected with the quick-change connector 9 of any connecting joint pipe, in the embodiment, the vehicle-mounted inflating part is connected with the quick-change connector 9 of the connecting joint pipe I, at the moment, the electromagnetic ball valve five SV5 and the electromagnetic ball valve seven SV7 are closed, then the electromagnetic ball valve eight SV8 and the electromagnetic ball valve eleven SV11 are opened, and the electromagnetic ball valve nine SV9 and the electromagnetic ball valve ten SV10 are closed; the method comprises the steps of opening electromagnetic ball valves SV1, SV2, SV3, SV4 and SV6, starting a vehicle-mounted hydraulic motor 1, driving a vehicle-mounted blower 2 to rotate clockwise, sucking air in side air bags 10, 11, 12 and 13 into four vent pipes 14, sucking air into connecting pipes 16 and connecting joint pipes I, finally exhausting air through an exhaust pipe 18, enabling the vehicle-mounted high-pressure blower 2 to realize rapid air exhausting of side air bags 10, 11, 12 and 13, and closing electromagnetic ball valves SV1, SV2, SV3, SV4 and SV6 by a control unit when the pressure in each side air bag is detected by four pressure sensors P1, P2, P3 and P4 to reach a set value.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The inflation system of the water trestle is characterized by comprising a rubber air bag part, an inflation part and an electrical control part;
The rubber air bag part comprises more than two side air bags with the same size, wherein the more than two side air bags are used for providing buoyancy for a bridge span on water;
The vehicle-mounted inflating part is positioned on the bridge carrier and used for quickly inflating and exhausting the contralateral air bag when the bridge span is connected with the bridge carrier;
The electric control part is used for controlling the opening and closing of all electromagnetic ball valves according to the air pressure value in the side air bags so as to inflate, exhaust or supplement air for the side air bags;
The tail end of each connecting joint pipe is provided with a quick-change joint, and each connecting joint pipe is provided with an electromagnetic ball valve;
the vehicle-mounted inflating part comprises a vehicle-mounted high-pressure blower, a vehicle-mounted hydraulic motor and a gas loop;
The gas loop is provided with a gas inlet pipe and a gas outlet pipe, one end of the gas inlet pipe is communicated with the gas loop, the other end of the gas inlet pipe is communicated with the external atmosphere, and one end of the gas outlet pipe is communicated with the gas loop, and the other end of the gas outlet pipe is communicated with the external atmosphere; the electromagnetic ball valve I is arranged on the air inlet pipe, the electromagnetic ball valve II is arranged on the air outlet pipe, the electromagnetic ball valves I and II are respectively arranged on the air loop, and the electromagnetic ball valve I is closer to the air outlet pipe than the electromagnetic ball valve II;
The gas loop is detachably connected with the quick-change connector of any connecting connector pipe through a pipeline A, the gas loop is communicated with the connecting connector pipe, and the intersection point of the pipeline A and the gas loop is positioned between the electromagnetic ball valve nine and the electromagnetic ball valve eleven;
the vehicle-mounted high-pressure air blower is connected in series on the gas loop and is positioned between the gas inlet pipe and the gas outlet pipe, the gas inlet end of the vehicle-mounted high-pressure air blower is positioned on the side where the gas inlet pipe is positioned, and the gas outlet end of the vehicle-mounted high-pressure air blower is positioned on the side where the gas outlet pipe is positioned;
The vehicle-mounted hydraulic motor is connected with the vehicle-mounted high-pressure air blower and used for driving the vehicle-mounted high-pressure air blower to rotate clockwise for air supply.
2. The water bridge air inflation system of claim 1, wherein the bridge span air inflation section comprises a bridge span high pressure blower and a bridge span hydraulic motor;
The air outlet end of the bridge span high-pressure air blower is connected and communicated with the connecting pipe through a pipeline B, and an electromagnetic ball valve V is arranged on the pipeline B;
The bridge span hydraulic motor is connected with the bridge span high-pressure air blower and used for driving the bridge span high-pressure air blower to rotate clockwise for air supply.
3. An inflatable system of a water trestle as defined in claim 2, wherein said electrical control part comprises a control unit and pressure sensors equal to the number of side air bags, a pressure sensor is mounted on each vent pipe,
The pressure sensors are respectively used for detecting the air pressure values in the corresponding side air bags and sending the air pressure values to the control unit, and the control unit controls the opening and closing of all the electromagnetic ball valves according to the received air pressure values so as to inflate, exhaust or supplement air for the side air bags.
4. An inflation method of an inflation system of a water bridge, the inflation method being based on the inflation system of a water bridge of claim 3, the method comprising:
When the bridge transporting vehicle is not separated from the bridge span, the vehicle-mounted inflating part is detachably connected with the quick-change connector of any one of the connecting connector pipes, at the moment, the electromagnetic ball valve five on the bridge span inflating part is closed, then the electromagnetic ball valve nine and the electromagnetic ball valve ten are opened, the electromagnetic ball valve eight and the electromagnetic ball valve eleven are closed, and simultaneously, the electromagnetic ball valves on the vent pipes of all side air bags and the electromagnetic ball valves on the connecting connector pipes are opened; starting a vehicle-mounted hydraulic motor, driving a vehicle-mounted high-pressure air blower to rotate clockwise and sucking air through an air inlet pipe, wherein the sucked air sequentially enters a connecting joint pipe, an air pipe and all side air bags through an opened electromagnetic ball valve nine, and the vehicle-mounted high-pressure air blower rapidly inflates all the side air bags simultaneously;
When the pressure sensor detects that the air pressure in the corresponding side air bag is reduced to a set value, the diesel engine starts a bridge hydraulic motor to drive a bridge high-pressure air blower to rotate clockwise and suck air, simultaneously opens an electromagnetic ball valve corresponding to the electromagnetic ball valve five on the bridge air charging part and the side air bag with reduced air pressure, closes the electromagnetic ball valve on a connecting joint pipe, and supplements air for the side air bag with reduced air pressure, and when the pressure sensor corresponding to the side air bag detects that the air pressure in the side air bag reaches the set value, all the electromagnetic ball valves are closed, and the side air bag stops supplementing air to complete timely supplementing air for the side air bag;
When the bridge span is connected with the bridge transporting vehicle, the vehicle-mounted inflating part is detachably connected with a quick-change connector of any one of the connecting connector pipes, at the moment, the electromagnetic ball valve five on the bridge span inflating part is closed, then the electromagnetic ball valve eight and the electromagnetic ball valve eleven are opened, the electromagnetic ball valve nine and the electromagnetic ball valve eleven are closed, the electromagnetic ball valves on the vent pipes of all the side air bags and the electromagnetic ball valves on the connecting connector pipes are opened simultaneously, the vehicle-mounted hydraulic motor is started to drive the vehicle-mounted blower to rotate clockwise, air in all the side air bags is sequentially sucked into the vent pipes, the connecting pipes and the connecting connector pipes, finally, the air is discharged through the exhaust pipe, the vehicle-mounted high-pressure blower simultaneously and rapidly pumps air to all the side air bags, and when the pressure sensor detects that the air pressure in each side air bag reaches a set value, the control unit closes the electromagnetic ball valves on all the vent pipes, and the side air bag pumping process is completed.
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| CN202210970429.8A CN115418929B (en) | 2022-08-12 | 2022-08-12 | Inflating system and inflation method of water trestle |
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| CN202210970429.8A CN115418929B (en) | 2022-08-12 | 2022-08-12 | Inflating system and inflation method of water trestle |
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| CN115418929B true CN115418929B (en) | 2025-08-29 |
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| CN117306369A (en) * | 2023-07-25 | 2023-12-29 | 中国船舶重工集团应急预警与救援装备股份有限公司 | A crawler-type trestle vehicle with floating function and its erection method |
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| CN112609558A (en) * | 2020-12-21 | 2021-04-06 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Multipurpose folding bridge span |
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| CN108411765B (en) * | 2018-05-14 | 2023-12-19 | 武汉速安达建筑橡塑制品有限公司 | Emergency floating bridge capable of being rapidly inflated and deflated |
| CN110080085A (en) * | 2019-06-17 | 2019-08-02 | 赵爱连 | A kind of automation submarine formula pontoon bridge |
| CN114657864A (en) * | 2022-04-20 | 2022-06-24 | 马建鹏 | Novel on-vehicle combination formula pontoon bridge |
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2022
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| CN202023139U (en) * | 2011-03-21 | 2011-11-02 | 吕国栋 | Light float-bridge quick erection device |
| CN112609558A (en) * | 2020-12-21 | 2021-04-06 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Multipurpose folding bridge span |
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