CN111364771A - Concrete pumping operation safety control system, arrangement method and control method thereof - Google Patents
Concrete pumping operation safety control system, arrangement method and control method thereof Download PDFInfo
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- CN111364771A CN111364771A CN202010226233.9A CN202010226233A CN111364771A CN 111364771 A CN111364771 A CN 111364771A CN 202010226233 A CN202010226233 A CN 202010226233A CN 111364771 A CN111364771 A CN 111364771A
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- 238000005086 pumping Methods 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000009467 reduction Effects 0.000 claims abstract description 47
- 238000013016 damping Methods 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 2
- 230000009191 jumping Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 11
- 238000010276 construction Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000009123 feedback regulation Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000010223 real-time analysis Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0427—Devices for both conveying and distributing with distribution hose on a static support, e.g. crane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/035—Noise absorbers in the form of specially adapted hangers or supports
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D19/00—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase
- G05D19/02—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase characterised by the use of electric means
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention provides a concrete pumping operation safety control system, an arrangement method and a control method thereof. The safety control system comprises a vibration reduction fixing module, a vibration sensing module and a vibration safety control module. The vibration safety control module comprises an auxiliary damper, an auxiliary damper motor and a central control computer, wherein the auxiliary damper, the auxiliary damper motor and the central control computer are arranged on the vibration reduction fixing module and used for increasing the damping force of the vibration reduction fixing module; the central control computer is connected with the vibration sensing module, the auxiliary damper motor and a concrete pump for pumping the concrete conveying pipe and is used for determining whether to start the auxiliary damper motor or not according to vibration data so as to increase the damping force of the vibration reduction fixing module. The invention ensures that the vibration of the pumping pipeline is safely controlled in the concrete pumping process, and avoids the pipeline damage caused by overlarge vibration and the damage of the lower attachment structure.
Description
Technical Field
The invention relates to the technical field of civil engineering construction, in particular to a concrete pumping operation safety control system, an arrangement method and a control method thereof.
Background
In civil engineering work, pumping has become the predominant form of concrete delivery at most construction sites. The concrete pump presses fluid concrete into the concrete pipeline through continuous pumping and pushing, and conveys the concrete to a specified pouring position through the pipeline.
The concrete delivery pipes are generally arranged along the direction of construction of the structure, fixed to the already cast floor or beam-column, and continuously extended. When the concrete pump works, the vibration of the pipeline can be inevitably caused due to the pumping process, the vibration causes great construction noise slightly, and the strong vibration of an attached structure is caused seriously, and even the structural concrete at the fixed part of the pipeline cracks. Concrete pipe vibration is particularly obvious and serious in super high-rise building construction and long-distance pumping operation. How to carry out reasonable vibration isolation to the vibration of pipeline to according to the vibration condition, in time control pumping operation's parameter guarantees pipeline and structure safety, is the problem that the construction field remains to be solved.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a concrete pumping operation safety control system, which comprises:
the vibration reduction fixing module is connected and fixed with the concrete conveying pipe to reduce vibration of the concrete conveying pipe;
the vibration sensing module is arranged on the vibration reduction fixing module to monitor the vibration condition of the vibration reduction fixing module and generate vibration data;
the vibration safety control module comprises an auxiliary damper, an auxiliary damper motor and a central control computer, wherein the auxiliary damper is arranged on the vibration reduction fixing module and used for increasing the damping force of the vibration reduction fixing module; the central control computer is respectively connected with the vibration sensing module, the auxiliary damper motor and a concrete pump for pumping the concrete conveying pipe; and the central control computer is used for determining whether to start the auxiliary damper motor or not according to the vibration data so as to increase the damping force of the vibration reduction fixing module.
Optionally, a plurality of the vibration damping fixing modules are arranged on a single concrete conveying pipe.
Optionally, the vibration reduction fixing module comprises a fixing base and a central fixing block arranged in the fixing base, the periphery of the central fixing block is connected with the fixing base through a spring damper, and the concrete conveying pipe is fixed on the central fixing block; the auxiliary damper motor is arranged on the fixed base, the auxiliary damper is connected with the auxiliary damper motor, the auxiliary damper motor can be pushed to be in contact with the central fixed block, and accordingly damping force of the vibration reduction fixed module on the concrete conveying pipe is increased.
Optionally, the auxiliary damper motor is exposed out of the outer surface of the fixed base, the auxiliary damper connected with the auxiliary damper motor extends out of the inner wall of the fixed base, and the auxiliary damper is in contact with the periphery of the central fixed block when in operation.
Optionally, the fixed base is connected with the bottom attachment structure below the fixed base through a bolt.
Optionally, the upper part of the fixed base is provided with a limiting plate for limiting the vertical jumping-out of the central fixed block.
The invention also provides an arrangement method of the concrete pumping operation safety control system, which comprises the following steps:
mounting a prefabricated vibration reduction fixing module at a site preset position, and connecting a fixing base with a bottom attachment structure through a bolt;
fixing a fastener for the concrete conveying pipe on a central fixing block, installing a vibration sensing module on the central fixing block, and connecting the vibration sensing module with a central control computer; and
and connecting the central control computer with the auxiliary damper motor and the concrete pump.
Optionally, the arrangement method of the concrete pumping operation safety control system further includes the following detection steps: shifting the central fixed block to enable the central fixed block to vibrate, and checking whether the central control computer can acquire vibration data; and testing whether the auxiliary damper motor works normally and whether the concrete pump can be operated and stopped on the central control computer.
The invention also provides a concrete pumping operation safety control method, which comprises the following steps
Arranging the concrete pumping operation safety control system;
starting the concrete pump, starting pumping operation, synchronously acquiring vibration data transmitted back by each vibration sensing module by the central control computer, and analyzing the vibration data in real time;
when the central control computer detects that the vibration data exceed a set safety value, firstly, starting the motor of the auxiliary damper to drive the auxiliary damper to play a role, and increasing the damping force of the vibration reduction fixing module so as to reduce the vibration of the concrete conveying pipe;
the central control computer monitors whether the vibration data exceed the safety value again, and if not, pumping operation is continued; if yes, the central control computer directly controls the concrete pump to stop working.
Optionally, if the concrete pump stops working, the central control computer controls the auxiliary damper motor to retract the auxiliary damper.
The invention provides a concrete pumping operation safety control system which comprises a vibration reduction fixing module, a vibration sensing module and a vibration safety control module. The vibration safety control module comprises an auxiliary damper, an auxiliary damper motor and a central control computer, wherein the auxiliary damper is arranged on the vibration reduction fixing module and used for increasing the damping force of the vibration reduction fixing module, the auxiliary damper motor is used for driving the auxiliary damper to work, and the central control computer is connected with the vibration reduction fixing module; the central control computer is respectively connected with the vibration sensing module, the auxiliary damper motor and a concrete pump for pumping the concrete conveying pipe; and the central control computer is used for determining whether to start the auxiliary damper motor or not according to the vibration data so as to increase the damping force of the vibration reduction fixing module. The invention ensures that the vibration of the pumping pipeline is safely controlled in the concrete pumping process, and avoids the pipeline damage caused by overlarge vibration and the damage of the lower attachment structure. The invention has the characteristics of real time, automation and intellectualization.
Compared with the prior system and device, the invention has the following advantages:
(1) according to the invention, the vibration isolation of the concrete conveying pipeline is realized by arranging the special vibration attenuation fixing module, so that the pipeline vibration in the pumping operation process is reduced.
(2) The vibration sensing module is arranged to monitor the vibration of the concrete conveying pipe in real time in the pumping operation process, the vibration of the pipeline is actively controlled in time according to monitoring data, and the high-automation pipeline safety control is realized through the operation and the quitting of the auxiliary damper.
(3) The vibration safety control system disclosed by the invention adopts a closed-loop feedback regulation mechanism, has high automation degree, and can effectively solve the problem that the construction vibration of a long-distance and super high-rise concrete pumping pipeline is difficult to control.
(4) According to the invention, the vibration of the concrete conveying pipe in the pumping operation process is monitored in real time and data analysis is carried out by arranging the vibration sensing module, and accumulated data is beneficial to providing a reasonable scheme in subsequent construction design.
Drawings
Fig. 1 is a top view of a vibration damping fixing module in a concrete pumping operation safety control system according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2, illustrating an inoperative condition of the auxiliary damper;
FIG. 4 is a sectional view taken along line A-A of FIG. 2 with the auxiliary damper in an operating condition;
fig. 5 is an overall structural view of a concrete pumping operation safety control system according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a central control computer in the concrete pumping operation safety control system according to an embodiment of the present invention;
fig. 7 is a feedback control flow chart of vibration of a pipe on a certain vibration damping fixing module in the concrete pumping operation safety control method according to an embodiment of the present invention.
Detailed Description
The invention aims to provide a control system for reasonably isolating pipeline vibration generated by concrete pumping operation and timely controlling pumping operation parameters according to vibration monitoring conditions so as to ensure that the whole pumping pipeline network is in a safe state, and particularly can protect the safety of pipelines and attached structures in the long-distance and high-height pumping operation process.
The invention is described in further detail below with reference to the figures and specific examples. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise ratio for the purpose of facilitating and distinctly aiding in the description of the embodiments of the invention.
The invention provides a concrete pumping operation safety control system, which comprises:
the vibration reduction fixing module is connected and fixed with the concrete conveying pipe to reduce vibration of the concrete conveying pipe; and a plurality of vibration reduction fixing modules are arranged on a single concrete conveying pipe.
The vibration sensing module is arranged on the vibration reduction fixing module to monitor the vibration condition of the vibration reduction fixing module and generate vibration data;
the vibration safety control module comprises an auxiliary damper, an auxiliary damper motor and a central control computer, wherein the auxiliary damper is arranged on the vibration reduction fixing module and used for increasing the damping force of the vibration reduction fixing module; the central control computer is respectively connected with the vibration sensing module, the auxiliary damper motor and a concrete pump for pumping the concrete conveying pipe; and the central control computer is used for determining whether to start the auxiliary damper motor or not according to the vibration data so as to increase the damping force of the vibration reduction fixing module.
In this embodiment, the specific structure of the vibration reduction fixing module is shown in fig. 2, and the vibration reduction fixing module includes a fixing base 3 and a central fixing block 1 (the fixing base 3 is hollowed, and the central fixing block 1 is installed) arranged in the fixing base 3, the periphery of the central fixing block 1 is connected to the fixing base 3 through a spring damper 6, and the concrete delivery pipe 8 is fixed on the central fixing block 1; the auxiliary damper motor 5 is arranged on the fixed base 3, the auxiliary damper 4 is connected with the auxiliary damper motor 5, and the auxiliary damper motor 5 can be pushed to be in contact with the central fixed block 1 so as to increase the damping force of the concrete conveying pipe 8. Wherein, connect the spring damper 6 of center fixed block 1 and unable adjustment base 3, its elasticity parameter and attenuator parameter can be selected in advance according to pumping operation pressure and roll over to the equipment.
With continued reference to fig. 2, in a preferred embodiment, the auxiliary damper motor 5 is exposed on the outer surface of the fixed base 3, and the auxiliary damper 4 connected thereto is extended from the inner wall of the fixed base 3, and is in contact with the periphery of the central fixed block 1 during operation. The fixed base 3 is connected with a bottom attachment structure 11 below the fixed base by a bolt 10. In this embodiment, the fixing base 3 may be made of concrete or steel welded, and is connected to the bottom attachment structure 11 (such as a floor slab or an abutment) by a bolt 10 during installation. The upper part of the fixed base 3 is provided with a limiting plate 2 for limiting the vertical jumping-out of the central fixed block 1.
Fig. 1 is a plan view of a vibration damping fixing module, and as shown in fig. 1, a concrete delivery pipe 8 and a vibration sensing module 9 are fixed on the top of the central fixing block 1. Fig. 3 and 4 are sectional views a-a of fig. 2 in an inoperative and an operative state, respectively, of the auxiliary damper. Wherein, as can be seen from fig. 3, the auxiliary damper 4 is far away from the central fixed block 1 when not working, and the concrete delivery pipe 8 is damped by the spring damper 6 connected with the central fixed block 1. As shown in fig. 4, when the auxiliary damper 4 works, the auxiliary damper motor 5 pushes the auxiliary damper to contact the central fixing block 1, so as to increase the damping force of the vibration reduction fixing module on the concrete conveying pipe 8. As shown in fig. 5, the extension (functioning) and retraction (withdrawing) of the auxiliary damper 4 are controlled by the central control computer 13, and when the vibration parameter of a certain vibration reduction fixing module exceeds a safety value, the central control computer 13 controls the auxiliary damper motor 5 to work to drive the auxiliary damper 4 to extend, rapidly function and reduce the vibration of the concrete conveying pipe 8.
Fig. 5 is an overall structural view of a concrete pumping operation safety control system according to an embodiment of the present invention. As shown in fig. 5, a concrete pump 12 pumps the concrete delivery pipe 8, and a plurality of the vibration damping fixing modules are provided on a single concrete delivery pipe 8. On each vibration reduction fixed module, the vibration sensing module 9 is connected with a central control computer 13 through a data transmission line 14. The vibration sensing module 9 can monitor vibration data, such as vibration parameters of speed, acceleration and the like, in the concrete pumping process of the concrete delivery pipe 8; the data transmission line 14 is used for transmitting the vibration data to the central control computer 13 of the vibration safety control module in real time.
The central control computer 13 analyzes the vibration data through vibration data analysis software installed inside the central control computer and judges whether the vibration exceeds a safety value; when vibration exceeding a safety value occurs, control measures can be taken in time. In particular, whether the auxiliary damper motor 5 is started to increase the damping force of the vibration damping fixing module is judged.
As shown in fig. 5, the central control computer 13 has an interface of a control circuit, and the interface is connected with an auxiliary damper control circuit 15 and a concrete pump control circuit 16, respectively, and the auxiliary damper control circuit 15 and the concrete pump control circuit 16 are connected with the auxiliary damper motor 5 and the concrete pump 12, respectively. (for simplicity, only the connection between the auxiliary damper control circuit 15 and the concrete pump control circuit 16 on a single vibration reduction fixing module is shown in fig. 5.) as shown in fig. 6, 17 is a display screen of the central control computer 13, 18 is an operation interface of the central control computer 13, 19 is an interface between the central control computer 13 and each auxiliary damper control circuit 15, and 20 is an interface between the central control computer 13 and each data transmission line 14; and 21 is an interface between the central control computer 13 and the concrete pump control line 16.
When the vibration data of a certain vibration reduction fixing module exceeds a set safety value and the auxiliary damper 4 extends out to work but the vibration still exceeds the safety value, the central control computer 13 can directly control the concrete pump 12 to stop working, so that the safety of the concrete conveying pipe 8 is protected.
In another embodiment, the vibration sensing module 9 may adopt a wireless data transmission device instead of a wired data transmission line under the condition that the data transmission line cannot be safely arranged, and at this time, only a data transmitting device needs to be added on the vibration sensing module 9, and a data receiving device needs to be added at the end of the central control computer 13.
The invention also provides an arrangement method of the concrete pumping operation safety control system, which comprises the following steps:
mounting a prefabricated vibration reduction fixing module at a site preset position, and connecting the fixing base 3 with the bottom attachment structure 11 through a bolt 10;
fixing a concrete conveying pipe 8 on the central fixing block 1 by using a fastener 7, installing a vibration sensing module 9 on the central fixing block 1, and connecting the vibration sensing module 9 with a central control computer 13; and
the central control computer 13 is connected with the auxiliary damper motor 5 and the concrete pump 12.
In this embodiment, the arrangement method further includes the following detection steps:
the central fixed block 1 is shifted to vibrate, and whether the vibration data can be collected by the central control computer 13 is checked; the auxiliary damper motor 5 is tested on the central control computer 13 whether it is working properly and the concrete pump 12 is operational to stop.
The invention also provides a concrete pumping operation safety control method, which comprises the following steps:
arranging a concrete pumping operation safety control system in the embodiment;
starting the concrete pump, starting pumping operation, synchronously acquiring vibration data transmitted back by each vibration sensing module by the central control computer, and analyzing the vibration data in real time;
when the central control computer detects that the vibration data exceed a set safety value, firstly, starting the motor of the auxiliary damper to drive the auxiliary damper to play a role, and increasing the damping force of the vibration reduction fixing module so as to reduce the vibration of the concrete conveying pipe;
the central control computer monitors whether the vibration data exceed the safety value again, and if not, pumping operation is continued; if yes, the central control computer directly controls the concrete pump to stop working.
Specifically, in the safety control method, if the vibration data of a certain vibration sensing module exceeds a set safety value, for example, the speed exceeds the safety value:
Vi>Vf
in the formula, ViThe vibration speed V monitored by a sensor at the ith vibration sensing modulefIs the set maximum safe vibration speed.
Then the central control computer performs feedback control according to the flow chart of fig. 7, and first immediately starts the auxiliary damper driving motor of the vibration reduction fixing module, and pushes the auxiliary damper into contact with the central fixing block, so that the auxiliary damping acts, and the damping force is increased, thereby rapidly reducing the vibration at the position, as shown in fig. 4; when the auxiliary damping has acted, monitoring and analyzing whether the vibration speed exceeds a safety value again, and if not, continuing pumping operation; if so, the central control computer directly controls the concrete pump to stop working.
In a preferred embodiment of the present invention, if the pumping system stops working, the central control computer can operate the auxiliary damper driving motor on the fixed support to withdraw the auxiliary damper.
Compared with the prior system and device, the invention has the following advantages:
(1) according to the invention, the vibration isolation of the concrete conveying pipeline is realized by arranging the special vibration attenuation fixing module, so that the pipeline vibration in the pumping operation process is reduced.
(2) The vibration sensing module is arranged to monitor the vibration of the concrete conveying pipe in real time in the pumping operation process, the vibration of the pipeline is actively controlled in time according to monitoring data, and the high-automation pipeline safety control is realized through the operation and the quitting of the auxiliary damper.
(3) The vibration safety control system disclosed by the invention adopts a closed-loop feedback regulation mechanism, has high automation degree, and can effectively solve the problem that the construction vibration of a long-distance and super high-rise concrete pumping pipeline is difficult to control.
(4) According to the invention, the vibration of the concrete conveying pipe in the pumping operation process is monitored in real time and data analysis is carried out by arranging the vibration sensing module, and accumulated data is beneficial to providing a reasonable scheme in subsequent construction design.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A concrete pumping operation safety control system is characterized by comprising:
the vibration reduction fixing module is connected and fixed with the concrete conveying pipe to reduce vibration of the concrete conveying pipe;
the vibration sensing module is arranged on the vibration reduction fixing module to monitor the vibration condition of the vibration reduction fixing module and generate vibration data;
the vibration safety control module comprises an auxiliary damper, an auxiliary damper motor and a central control computer, wherein the auxiliary damper is arranged on the vibration reduction fixing module and used for increasing the damping force of the vibration reduction fixing module; the central control computer is respectively connected with the vibration sensing module, the auxiliary damper motor and a concrete pump for pumping the concrete conveying pipe; and the central control computer is used for determining whether to start the auxiliary damper motor or not according to the vibration data so as to increase the damping force of the vibration reduction fixing module.
2. The concrete pumping operation safety control system according to claim 1, wherein a plurality of the vibration reduction fixing modules are provided on a single concrete delivery pipe.
3. The concrete pumping operation safety control system of claim 1, wherein the vibration reduction fixing module comprises a fixing base and a central fixing block arranged in the fixing base, the fixing base is connected around the central fixing block through a spring damper, and the concrete delivery pipe is fixed on the central fixing block; the auxiliary damper motor is arranged on the fixed base, the auxiliary damper is connected with the auxiliary damper motor, the auxiliary damper motor can be pushed to be in contact with the central fixed block, and accordingly damping force of the vibration reduction fixed module on the concrete conveying pipe is increased.
4. The concrete pumping operation safety control system of claim 3, wherein the auxiliary damper motor is exposed to an outer surface of the stationary base, the auxiliary damper connected thereto is protruded at an inner wall of the stationary base, and the auxiliary damper is brought into contact from a periphery of the central stationary block when operating.
5. The concrete pumping operation safety control system of claim 3, wherein the fixed base is bolted to a bottom attachment structure therebelow.
6. The concrete pumping operation safety control system of claim 3, wherein a limiting plate for limiting the vertical jumping out of the central fixing block is arranged at the upper part of the fixing base.
7. A method for arranging a concrete pumping operation safety control system according to claims 3-6, comprising the steps of:
mounting a prefabricated vibration reduction fixing module at a site preset position, and connecting a fixing base with a bottom attachment structure through a bolt;
fixing a fastener for the concrete conveying pipe on a central fixing block, installing a vibration sensing module on the central fixing block, and connecting the vibration sensing module with a central control computer; and connecting the central control computer with the auxiliary damper motor and the concrete pump.
8. The arrangement method of the concrete pumping operation safety control system according to claim 7, further comprising the following detection steps: shifting the central fixed block to enable the central fixed block to vibrate, and checking whether the central control computer can acquire vibration data; and testing whether the auxiliary damper motor works normally and whether the concrete pump can be operated and stopped on the central control computer.
9. The concrete pumping operation safety control method is characterized by comprising the following steps
Arranging the concrete pumping operation safety control system according to any one of claims 1-6;
starting the concrete pump, starting pumping operation, synchronously acquiring vibration data transmitted back by each vibration sensing module by the central control computer, and analyzing the vibration data in real time;
when the central control computer detects that the vibration data exceed a set safety value, firstly, starting the motor of the auxiliary damper to drive the auxiliary damper to play a role, and increasing the damping force of the vibration reduction fixing module so as to reduce the vibration of the concrete conveying pipe;
the central control computer monitors whether the vibration data exceed the safety value again, and if not, pumping operation is continued; if yes, the central control computer directly controls the concrete pump to stop working.
10. The concrete pumping operation safety control method according to claim 9, wherein if the concrete pump stops operating, the central control computer controls the auxiliary damper motor to retract the auxiliary damper.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111811992A (en) * | 2020-07-15 | 2020-10-23 | 湘潭大学 | Flow characteristic measuring device for simulating concrete actual pumping process |
| CN112901890A (en) * | 2021-01-29 | 2021-06-04 | 中联重科股份有限公司 | Concrete pump truck arm support concrete pipe support vibration damping device and vibration damping method |
| CN114427178A (en) * | 2022-01-19 | 2022-05-03 | 中铁二十局集团第四工程有限公司 | Switch concrete placement's device of vibrating |
| EP4056859A1 (en) * | 2021-03-12 | 2022-09-14 | Sulzer Management AG | A method of operating a pipework aggregate, an assembly for attenuation of vibration of a pump unit coupled to a pipework aggregate and a pump unit |
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