CN110886344A - BIM-based engineering water supply system working method - Google Patents
BIM-based engineering water supply system working method Download PDFInfo
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- CN110886344A CN110886344A CN201911216797.8A CN201911216797A CN110886344A CN 110886344 A CN110886344 A CN 110886344A CN 201911216797 A CN201911216797 A CN 201911216797A CN 110886344 A CN110886344 A CN 110886344A
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- 238000001514 detection method Methods 0.000 claims abstract description 26
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- 238000003466 welding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
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- 238000005070 sampling Methods 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
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- 238000011897 real-time detection Methods 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
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Abstract
A BIM-based engineering water supply system working method comprises a water supply network and a BIM control system, wherein the BIM control system comprises a central processing unit, a data input module, a BIM modeling module, a real-time correction module, an asset management module, a detection feedback module, a visual expression module and a home terminal; the working method comprises an information presetting method, a 3D modeling method, a daily management method and an emergency treatment method; the information presetting method comprises the following steps: reading the RFID electronic tag on the asset by using reading equipment, inputting the read information into the wireless input module, and inputting the read information into the asset management module through the central processing unit; and inputting the expense related information into the asset management module through the keyboard input module.
Description
Technical Field
The invention relates to the field of BIM engineering control, in particular to a BIM-based engineering water supply system working method.
Background
A Building Information Modeling (BIM) is a digital tool applied to engineering design and construction management. BIM is a digital representation of the physical and functional characteristics of an engineering project, and is a shared knowledge resource of information related to the engineering project. The BIM has the functions of fully sharing and transmitting the project information in a lossless manner in the whole process of planning, designing, constructing, operating and maintaining, enabling engineering technology and management personnel to efficiently and correctly understand and respond to various building information, providing a solid foundation for the cooperative work of multi-party participation, and providing a reliable basis for the decision of each party in the whole life cycle from concept to removal of the construction project.
When the BIM technology is applied to the field of residential heating pipe networks, each user terminal needs to be controlled and monitored, the key point of technical implementation is often on a terminal valve, and in actual use, the following problems exist:
1. the radiator in the prior art often has water leakage fault, brings huge loss to users, and does not have a valve for realizing automatic shutoff function when water leaks.
The terminal valve in the prior art is easily scalded to a user when the operation is improper or the water temperature is abnormal due to the fact that the terminal valve is arranged on a heating pipeline.
The terminal valve of prior art, because warm accuse demand, often need carry out the detection means such as sampling, temperature measurement, prior art's heating sampling has followed the sampling mode among the pipeline test, sets up sampling hole or sampling pipeline promptly on the valve main part, however the heating sampling is different from experimental sampling, exposes the use for a long time in the heating use, uses inequality with the ordinary water pressure of normal atmospheric temperature liquid in the experimental pipeline for a limited time, and the former state is removed and is used easy the damage for a long time.
The terminal valve in the prior art is internally provided with a chip, so that a means for preventing abnormal opening is lacked, and heating loss is easily caused.
The terminal valve in the prior art is opened and closed either electrically or manually, and an opening and closing mode organically combining electric operation and manual operation is lacked.
The prior art terminal valve includes a wear compensating valve seat and spring assembly, however, the spring requires a special structure for fixing, which increases the manufacturing cost and the installation process.
The valve auxiliary passage of the prior art often leads out one pipe from the valve body, but the durability and strength of the led-out pipe are not enough due to the high-temperature and high-pressure medium of the heating pipeline.
The networking control in the prior art is lack of systematic construction and a real-time data input and detection mode.
Disclosure of Invention
In order to overcome the above problems, the present invention proposes a solution to solve the above problems simultaneously.
The technical scheme adopted by the invention for solving the technical problems is as follows: a BIM-based engineering water supply system working method comprises a water supply network and a BIM control system, wherein the BIM control system comprises a central processing unit, a data input module, a BIM modeling module, a real-time correction module, an asset management module, a detection feedback module, a visual expression module and a home terminal; the working method comprises an information presetting method, a 3D modeling method, a daily management method and an emergency treatment method;
the data input module comprises a keyboard input module and a wireless input module, and the wireless input module is used for an operator to input in real time; the BIM modeling module generates an information model according to input data; the detection feedback module detects and processes data transmitted by the user terminal, and the real-time correction module corrects the model according to the data fed back by the detection feedback module; the asset management module stores, queries and updates asset information according to RFID electronic tags on assets; the visual expression module displays the information model and the real-time data;
the information presetting method comprises the following steps: reading the RFID electronic tag on the asset by using reading equipment, inputting the read information into the wireless input module, and inputting the read information into the asset management module through the central processing unit; entering cost-related information into the asset management module through the keyboard input module;
the 3D modeling method includes: generating asset nodes according to RFID electronic tag information on assets, and automatically generating preset connecting lines among the asset nodes so as to form a BIM (building information modeling); associating cost related information with each asset node;
the household terminal comprises a warm control valve, wherein the warm control valve comprises an electric cabinet, an upper cover, a motor, a hand wheel, a power-on structure, a temperature sensor, an auxiliary passage, a bottom cover, a left valve body, a self-locking spring, a piston, a vertical rod, a wireless communication module, a cross rod, a control module, a valve ball, a valve rod, a connecting block, a right valve body, a sealing seat, a check ring, a compensating spring, a sealing ring, a first magnetic block, a second magnetic block, a rotating groove, a trigger switch and an upper valve body;
the upper valve body comprises a supporting part, an upper cover part and a sealing part, an auxiliary passage is arranged in the upper valve body, and the middle part of the upper cover is provided with the round cover;
the left valve body side is a water inlet side, the right valve body side is a water outlet side, the positions of the left valve body and the right valve body close to the valve ball are provided with diameter reducing parts, the sealing seat is arranged in the diameter reducing parts, a groove is formed in the sealing seat, the compensating spring is arranged in the groove, the check ring is arranged on the outer side of the compensating spring, and the sealing ring is arranged between the sealing seat and the diameter reducing parts; the sealing seat is contacted with the valve ball to realize sealing;
the outer end of the reducing part is connected with the bottom cover through welding, and the maximum distance between the bottom cover and the valve ball is larger than one half of the radius of the valve ball;
the upper valve body is further arranged above the left valve body and the right valve body, the auxiliary passage is arranged in the supporting part, the upper cover part and the sealing part are perpendicular to each other, and the valve rod penetrates through the sealing part and is connected with the valve ball through the connecting block; the piston is arranged on the left side of the auxiliary passage and comprises a large end part and a small end part, the large end part completely blocks the auxiliary passage, the self-locking spring is sleeved on the periphery of the small end part, and the self-locking spring is fixed in the auxiliary passage; the top end of the large end part is provided with a first magnetic block;
the electric cabinet and the upper valve body are separated by a hydroelectric partition plate, the auxiliary passage is tightly attached to the lower surface of the hydroelectric partition plate, a rotating groove is formed in the position, corresponding to the piston, of the hydroelectric partition plate, the vertical rod is arranged in the center of the rotating groove, the cross rod is arranged at the bottom end of the vertical rod and can rotate around the vertical rod, and a second magnetic block is arranged at the tail end of the cross rod; the edge of the rotating groove is also provided with the trigger switch;
a sensor hole is formed in the right side of the hydroelectric partition plate, the temperature sensor is arranged in the sensor hole, and the temperature sensor is used for detecting the temperature of the auxiliary passage; the valve rod penetrates through the hydroelectric partition plate to be connected with the hand wheel, the hand wheel is disc-shaped, the cross section of the hand wheel is polygonal, and the motor is arranged above the hand wheel; the position of the round cover corresponds to the hand wheel;
the wireless communication module is further arranged on the inner wall of the electric cabinet, the electricity-carrying structure is arranged at the opening positions of the upper cover and the electric cabinet, the electricity-carrying structure comprises a convex ball arranged on the upper cover and a groove arranged on the electric cabinet, the convex ball and the groove are built in a circuit of the control module, and the circuit is disconnected when the groove and the convex ball are separated;
the daily management method comprises the following steps: the real-time correction module corrects the BIM according to the data fed back by the detection of the detection feedback module, the asset management module further comprises a charging module, and the charging module calculates and updates the associated cost of each asset node;
the emergency treatment method comprises the following steps: when the water leakage condition occurs, the second magnetic block touches the trigger switch, the motor drives the valve ball to close the warm control valve, meanwhile, the control module sends the fault condition to the detection feedback module, and the detection feedback module gives an alarm through the voice control alarm.
Further, the polygon is a hexagon, and the RFID electronic tag is arranged on the warm control valve.
Further, the auxiliary passage is connected upstream to the left valve body and downstream to the right valve body.
Further, the diameter of the hand wheel is larger than that of the motor.
Further, the convex ball is arranged at the corner of the upper cover.
Further, the bottom cover includes a horizontal bottom surface.
Furthermore, the sealing seat is made of elastic materials.
Further, the elastic material is rubber.
Further, the seal seat is made of hard materials.
Furthermore, the left valve body and the right valve body are connected with a pipeline through flanges.
The invention has the beneficial effects that: the self-locking structure is arranged, and water leakage self-locking is realized. The operation part and the bottom surface are isolated from the heat source as much as possible, so that scalding is prevented. The temperature sensor of the sampling temperature measuring point is arranged on the auxiliary passage, the shielding cover with the upper cover is used for protecting, the flow of the auxiliary passage is small, and the sampling detection of the water temperature is facilitated. The central main server can sense abnormal opening condition through the structure. The hand wheel can be manually operated by a tool to rotate so as to drive the valve to open and close. Thereby saving the arrangement of spring brackets and the like. The auxiliary passage is arranged in the supporting part of the upper valve body, and integrates functions of sensing, self-locking and the like, so that the space and the cost are utilized to the maximum. A BIM control system is adopted, a control model of the system is constructed, and real-time data input and real-time detection feedback adjustment can be realized.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is an overall view of a BIM terminal warm control valve of the present invention
FIG. 2 is an enlarged view of the wear compensating structure of the present invention
FIG. 3 is a top view of the internal structure of the electric cabinet of the present invention
FIG. 4 is a BIM control system diagram of the present invention
FIG. 5 is a BIM control flow chart of the present invention
In the figures, the reference numerals are as follows:
1. the device comprises an electric cabinet 2, an upper cover 3, a round cover 4, a motor 5, a hand wheel 6, a power-on structure 7, a temperature sensor 8, an auxiliary passage 9, a supporting part 10, a welding line 11, a bottom cover 12, a left valve body 13, a self-locking spring 14, a piston 15, a vertical rod 16, a wireless communication module 17, a cross rod 18, a control module 19, an upper shade part 20, a sealing part 21, a valve ball 22, a valve rod 23, a connecting block 24, a right valve body 25, a sealing seat 26, a retainer ring 27, a compensation spring 28, a sealing ring 29, a magnetic block 30, a rotating groove 31, a trigger switch 32 and a radial shrinkage part.
Detailed Description
The technical scheme of the invention comprises the following technical modules:
1. to background art 1 st problem, set up self-locking structure, the accessory channel normal close, when the condition that leaks appears, the pressure differential grow of valve exit, the pressure differential grow at accessory channel both ends promotes the piston and removes, is equipped with the magnetic path on the piston, and the removal of magnetic path drives the magnetic path removal on the horizontal pole to touch trigger switch, trigger closing circuit makes the motor control terminal valve close.
The 2 nd problem to the background art, set up three mode, the portion of reducing of valve body about firstly, secondly the biggest interval of bottom and valve ball is greater than the radial half of valve ball, and three is that the valve neck of integrated into one piece has been abandoned to the valve ball top, has used the upper cover lid, keeps apart as far as possible through operating portion and bottom surface and heat source, prevents to scald.
The temperature sensor of the sampling temperature measuring point is arranged on the auxiliary passage aiming at the problem of the 3 rd point provided by the background technology, the shade with the upper cover is used for protection, the flow of the auxiliary passage is small, and the sampling detection of the water temperature is more facilitated.
The 4 th problem that provides to the background art, set up the structure of taking electricity in the opening position of upper cover and electric cabinet, take the electricity structure including setting up the protruding ball on the upper cover to and set up the recess on the electric cabinet, protruding ball and recess are found in control module's circuit, and the protruding ball separates with the recess when opening, and the circuit disconnection, central authorities master server sensing to this point lack from the BIM pipe network, thereby confirm the abnormal condition of opening.
Aiming at the problem of the 5 th point provided by the background technology, a round cover is arranged in the upper cover corresponding to the motor, the round cover is opened, a hand wheel can be manually operated by a tool to rotate to drive the valve to be opened and closed, and the cross section of the hand wheel can be a polygon.
To the 6 th problem that the background art provided, adopted and opened the blind hole on the seal receptacle, compensation spring sets up in the blind hole, has consequently saved the setting of spring bracket isotructure.
In order to solve the problem of the 7 th point proposed by the background art, the auxiliary passage is arranged in the supporting part of the upper valve body, and integrates functions of sensing, self-locking and the like, so that the space and the cost are utilized to the maximum.
Aiming at the problem of the 8 th point provided by the background technology, a BIM control system is adopted, a control model of the system is constructed, and real-time data input and real-time detection feedback adjustment can be realized.
The technical scheme comprises the following details:
as shown in the figure: a BIM-based engineering water supply system working method comprises a water supply network and a BIM control system, wherein the BIM control system comprises a central processing unit, a data input module, a BIM modeling module, a real-time correction module, an asset management module, a detection feedback module, a visual expression module and a home terminal; the working method comprises an information presetting method, a 3D modeling method, a daily management method and an emergency treatment method;
the data input module comprises a keyboard input module and a wireless input module, and the wireless input module is used for an operator to input in real time; the BIM modeling module generates an information model according to input data; the detection feedback module detects and processes data transmitted by the user terminal, and the real-time correction module corrects the model according to the data fed back by the detection feedback module; the asset management module stores, queries and updates asset information according to RFID electronic tags on assets; the visual expression module displays the information model and the real-time data;
the information presetting method comprises the following steps: reading the RFID electronic tag on the asset by using reading equipment, inputting the read information into the wireless input module, and inputting the read information into the asset management module through the central processing unit; entering cost-related information into the asset management module through the keyboard input module;
the 3D modeling method includes: generating asset nodes according to RFID electronic tag information on assets, and automatically generating preset connecting lines among the asset nodes so as to form a BIM (building information modeling); associating cost related information with each asset node;
as shown in the figure: the household terminal comprises a warm control valve, wherein the warm control valve comprises an electric cabinet, an upper cover, a motor, a hand wheel, a power-on structure, a temperature sensor, an auxiliary passage, a bottom cover, a left valve body, a self-locking spring, a piston, a vertical rod, a wireless communication module, a cross rod, a control module, a valve ball, a valve rod, a connecting block, a right valve body, a sealing seat, a check ring, a compensating spring, a sealing ring, a first magnetic block, a second magnetic block, a rotating groove, a trigger switch and an upper valve body;
the upper valve body comprises a supporting part, an upper cover part and a sealing part, an auxiliary passage is arranged in the upper valve body, and the middle part of the upper cover is provided with the round cover;
the left valve body side is a water inlet side, the right valve body side is a water outlet side, the positions of the left valve body and the right valve body close to the valve ball are provided with diameter reducing parts, the sealing seat is arranged in the diameter reducing parts, a groove is formed in the sealing seat, the compensating spring is arranged in the groove, the check ring is arranged on the outer side of the compensating spring, and the sealing ring is arranged between the sealing seat and the diameter reducing parts; the sealing seat is contacted with the valve ball to realize sealing;
the outer end of the reducing part is connected with the bottom cover through welding, and the maximum distance between the bottom cover and the valve ball is larger than one half of the radius of the valve ball;
as shown in the figure: the upper valve body is further arranged above the left valve body and the right valve body, the auxiliary passage is arranged in the supporting part, the upper cover part and the sealing part are perpendicular to each other, and the valve rod penetrates through the sealing part and is connected with the valve ball through the connecting block; the piston is arranged on the left side of the auxiliary passage and comprises a large end part and a small end part, the large end part completely blocks the auxiliary passage, the self-locking spring is sleeved on the periphery of the small end part, and the self-locking spring is fixed in the auxiliary passage; the top end of the large end part is provided with a first magnetic block;
the electric cabinet and the upper valve body are separated by a hydroelectric partition plate, the auxiliary passage is tightly attached to the lower surface of the hydroelectric partition plate, a rotating groove is formed in the position, corresponding to the piston, of the hydroelectric partition plate, the vertical rod is arranged in the center of the rotating groove, the cross rod is arranged at the bottom end of the vertical rod and can rotate around the vertical rod, and a second magnetic block is arranged at the tail end of the cross rod; the edge of the rotating groove is also provided with the trigger switch;
as shown in the figure: a sensor hole is formed in the right side of the hydroelectric partition plate, the temperature sensor is arranged in the sensor hole, and the temperature sensor is used for detecting the temperature of the auxiliary passage; the valve rod penetrates through the hydroelectric partition plate to be connected with the hand wheel, the hand wheel is disc-shaped, the cross section of the hand wheel is polygonal, and the motor is arranged above the hand wheel; the position of the round cover corresponds to the hand wheel;
the wireless communication module is further arranged on the inner wall of the electric cabinet, the electricity-carrying structure is arranged at the opening positions of the upper cover and the electric cabinet, the electricity-carrying structure comprises a convex ball arranged on the upper cover and a groove arranged on the electric cabinet, the convex ball and the groove are built in a circuit of the control module, and the circuit is disconnected when the groove and the convex ball are separated;
the daily management method comprises the following steps: the real-time correction module corrects the BIM according to the data fed back by the detection of the detection feedback module, the asset management module further comprises a charging module, and the charging module calculates and updates the associated cost of each asset node;
the emergency treatment method comprises the following steps: when the water leakage condition occurs, the second magnetic block touches the trigger switch, the motor drives the valve ball to close the warm control valve, meanwhile, the control module sends the fault condition to the detection feedback module, and the detection feedback module gives an alarm through the voice control alarm.
As shown in the figure: the polygon is a hexagon, and the RFID electronic tag is arranged on the warm control valve. The upstream of the auxiliary passage is connected to the left valve body, and the downstream of the auxiliary passage is connected to the right valve body. The diameter of the hand wheel is larger than that of the motor. The convex balls are arranged at the corners of the upper cover. The bottom cover includes a horizontal bottom surface. The sealing seat is made of elastic materials. The elastic material is rubber. The sealing seat is made of hard materials. The left valve body and the right valve body are connected with a pipeline through flanges.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A BIM-based engineering water supply system working method is characterized in that: the engineering water supply system comprises the water supply network and the BIM control system, wherein the BIM control system comprises a central processing unit, a data input module, a BIM modeling module, a real-time correction module, an asset management module, a detection feedback module, a visual expression module and a home terminal; the working method comprises an information presetting method, a 3D modeling method, a daily management method and an emergency treatment method;
the data input module comprises a keyboard input module and a wireless input module, and the wireless input module is used for an operator to input in real time; the BIM modeling module generates an information model according to input data; the detection feedback module detects and processes data transmitted by the user terminal, and the real-time correction module corrects the model according to the data fed back by the detection feedback module; the asset management module stores, queries and updates asset information according to RFID electronic tags on assets; the visual expression module displays the information model and the real-time data;
the information presetting method comprises the following steps: reading the RFID electronic tag on the asset by using reading equipment, inputting the read information into the wireless input module, and further inputting the information into the asset management module through the central processing unit; entering cost-related information into the asset management module through the keyboard input module;
the 3D modeling method includes: generating corresponding asset nodes according to RFID electronic tag information on assets, and automatically generating preset connecting lines among the asset nodes so as to form a BIM (building information modeling); associating cost related information with each asset node;
the household terminal comprises a warm control valve, wherein the warm control valve comprises an electric cabinet, an upper cover, a motor, a hand wheel, a power-on structure, a temperature sensor, an auxiliary passage, a bottom cover, a left valve body, a self-locking spring, a piston, a vertical rod, a wireless communication module, a cross rod, a control module, a valve ball, a valve rod, a connecting block, a right valve body, a sealing seat, a check ring, a compensating spring, a sealing ring, a first magnetic block, a second magnetic block, a rotating groove, a trigger switch and an upper valve body;
the upper valve body comprises a supporting part, an upper cover part and a sealing part, the auxiliary passage is arranged in the upper valve body, and the middle part of the upper cover is provided with a round cover;
the left valve body side is a water inlet side, the right valve body side is a water outlet side, the positions of the left valve body and the right valve body close to the valve ball are provided with diameter reducing parts, the sealing seat is arranged in the diameter reducing parts, a groove is formed in the sealing seat, the compensating spring is arranged in the groove, the check ring is arranged on the outer side of the compensating spring, and the sealing ring is arranged between the sealing seat and the diameter reducing parts; the sealing seat is contacted with the valve ball to realize sealing;
the outer end of the reducing part is connected with the bottom cover through welding, and the maximum distance between the bottom cover and the valve ball is larger than one half of the radius of the valve ball;
the upper valve body is further arranged above the left valve body and the right valve body, the auxiliary passage is arranged in the supporting part, the upper cover part and the sealing part are perpendicular to each other, and the valve rod penetrates through the sealing part and is connected with the valve ball through the connecting block; the piston is arranged on the left side of the auxiliary passage and comprises a large end part and a small end part, the large end part completely blocks the auxiliary passage, the self-locking spring is sleeved on the periphery of the small end part, and the self-locking spring is fixed in the auxiliary passage; the top end of the large end part is provided with a first magnetic block;
the electric cabinet and the upper valve body are separated by a hydroelectric partition plate, the auxiliary passage is tightly attached to the lower surface of the hydroelectric partition plate, a rotating groove is formed in the position, corresponding to the piston, of the hydroelectric partition plate, the vertical rod is arranged in the center of the rotating groove, the cross rod is arranged at the bottom end of the vertical rod and can rotate around the vertical rod, and a second magnetic block is arranged at the tail end of the cross rod; the edge of the rotating groove is also provided with the trigger switch;
a sensor hole is formed in the right side of the hydroelectric partition plate, the temperature sensor is arranged in the sensor hole, and the temperature sensor is used for detecting the temperature of the auxiliary passage; the valve rod penetrates through the hydroelectric partition plate to be connected with the hand wheel, the hand wheel is disc-shaped, the cross section of the hand wheel is polygonal, and the motor is arranged above the hand wheel; the position of the round cover corresponds to the hand wheel;
the wireless communication module is further arranged on the inner wall of the electric cabinet, the electricity-carrying structure is arranged at the opening positions of the upper cover and the electric cabinet, the electricity-carrying structure comprises a convex ball arranged on the upper cover and a groove arranged on the electric cabinet, the convex ball and the groove are built in a circuit of the control module, and the circuit is disconnected when the groove and the convex ball are separated;
the daily management method comprises the following steps: the real-time correction module corrects the BIM according to the data fed back by the detection of the detection feedback module, the asset management module further comprises a charging module, and the charging module calculates and updates the associated cost of each asset node;
the emergency treatment method comprises the following steps: when the water leakage condition occurs, the second magnetic block touches the trigger switch, the motor drives the valve ball to close the warm control valve, meanwhile, the control module sends the fault condition to the detection feedback module, and the detection feedback module gives an alarm through the voice control alarm.
2. The BIM-based engineering water supply system working method according to claim 1, wherein: the polygon is a hexagon, and the RFID electronic tag is arranged on the warm control valve.
3. The BIM-based engineering water supply system working method according to claim 1, wherein: the upstream of the auxiliary passage is connected to the left valve body, and the downstream of the auxiliary passage is connected to the right valve body.
4. The BIM-based engineering water supply system working method according to claim 1, wherein: the diameter of the hand wheel is larger than that of the motor.
5. The BIM-based engineering water supply system working method according to claim 1, wherein: the convex balls are arranged at the corners of the upper cover.
6. The BIM-based engineering water supply system working method according to claim 1, wherein: the bottom cover includes a horizontal bottom surface.
7. The BIM-based engineering water supply system working method according to claim 1, wherein: the sealing seat is made of elastic materials.
8. The BIM-based engineering water supply system working method according to claim 7, wherein: the elastic material is rubber.
9. The BIM-based engineering water supply system working method according to claim 1, wherein: the sealing seat is made of hard materials.
10. The BIM-based engineering water supply system working method according to claim 1, wherein: the left valve body and the right valve body are connected with a pipeline through flanges.
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| CN113513579A (en) * | 2021-03-18 | 2021-10-19 | 中铁五局集团第一工程有限责任公司 | Hoisting device for unfavorable geological construction |
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