CN110295922B - Template platform truck pump sending concrete placement air-raid shelter alarm device - Google Patents
Template platform truck pump sending concrete placement air-raid shelter alarm device Download PDFInfo
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- CN110295922B CN110295922B CN201910712622.XA CN201910712622A CN110295922B CN 110295922 B CN110295922 B CN 110295922B CN 201910712622 A CN201910712622 A CN 201910712622A CN 110295922 B CN110295922 B CN 110295922B
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- resistor
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- triode
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The invention discloses a pumping concrete pouring air-hole alarm device for a formwork trolley, wherein a water pump motor is connected with a first alternating current contactor, the first alternating current contactor is connected with an air switch, and the first alternating current contactor is connected to a zero line through the air switch; a fuse is connected between the first alternating current contactor and the air switch, the fuse is connected with a first switch and an electric contact pressure gauge, the first switch is connected with a second alternating current contactor, the relay, the freewheeling diode, the first resistor and the second switch are mutually connected in parallel, the relay and the freewheeling diode are connected in parallel and then connected with a first triode, the first resistor is connected with a second resistor, the first triode is connected between the first resistor and the second resistor and then connected with a second triode, and the second triode is connected with a third resistor; the electric contact pressure gauge, the second switch and the leading-out end of the third resistor are sequentially connected into the cement container. The invention avoids the trolley deformation and concrete dislocation forming cavities caused by excessive concrete pouring.
Description
Technical Field
The embodiment of the invention relates to the technical field of concrete pouring, in particular to a pumping concrete pouring air-hole alarm device for a formwork trolley.
Background
At present, a highway tunnel construction unit generally adopts a form jumbo to pump concrete for lining, and generally adopts the form jumbo to erect a mould and a delivery pump to pour concrete. Therefore, the material consumption (wood, steel templates, fasteners and the like) is reduced, the labor intensity is reduced, and meanwhile, the lined concrete is compact, smooth in surface, free of staggered platforms, slight in staggered joints, not easy to slip out of the mold and small in appearance quality. But the pumped concrete lining still has the common quality problems of cavities and the like.
At the present stage, the tunnel secondary lining construction void defect is common, the phenomena that too much concrete is poured to cause trolley deformation and concrete can not be positioned to form a cavity often exist, inconvenience and great economic loss are brought to subsequent construction, or engineering waste is generated, the post-treatment cost is increased, repeated backfilling and grouting are needed, the investment is increased, and certain influence is generated on the construction progress. The reason is that an effective early warning means is lacked in the secondary lining construction process to judge the fullness degree of secondary lining pouring of the tunnel, so that a technical scheme for secondary lining concrete pouring to avoid the generation of cavities is urgently needed to solve all the existing problems.
Disclosure of Invention
Therefore, the embodiment of the invention provides the alarm device for the pumping concrete pouring air holes of the formwork trolley, which can avoid inconvenience and great economic loss or engineering waste caused by trolley deformation and void formation due to incapability of concrete due to excessive concrete pouring in the pumping concrete pouring process of the formwork trolley.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a pumping concrete pouring air-raid shelter alarm device for a formwork trolley comprises a water pump motor, a zero line and a cement container, wherein the water pump motor is connected with a first alternating current contactor, the first alternating current contactor is connected with an air switch, and the first alternating current contactor is connected to the zero line through the air switch; the fuse is connected between the first alternating current contactor and the air switch, the fuse is connected with a first switch and an electric contact pressure gauge, the first switch is connected with a second alternating current contactor, the electric contact pressure gauge is connected with a relay, a freewheeling diode, a first resistor and a second switch, the relay, the freewheeling diode, the first resistor and the second switch are connected in parallel, the relay and the freewheeling diode are connected in parallel and then connected with a first triode, the first resistor is connected with a second resistor, the first triode is connected between the first resistor and the second resistor and then connected with a second triode, and the second triode is connected with a third resistor;
and the leading-out ends of the electric contact pressure gauge, the second switch and the third resistor are sequentially connected into the cement container.
As the preferable scheme of the concrete pumping and pouring air-hole alarming device of the formwork trolley, the air switch adopts a three-pole three-throw switch.
As a preferred scheme of the template trolley pumping concrete pouring air-hole alarming device, the second alternating current contactor is connected with the zero line, and the electric contact pressure gauge is connected with the zero line.
As a preferable scheme of the pumping concrete pouring air-hole alarming device for the formwork trolley, an electrolytic capacitor is connected to a line passing through the electric contact pressure gauge and is connected between the first resistor and the second switch.
As the preferable scheme of the pumping concrete pouring air-raid shelter alarm device for the formwork trolley, the output end of the first triode, the output end of the second resistor and the output end of the second triode are connected in sequence.
As a preferable scheme of the pumping concrete pouring air-hole alarming device for the formwork trolley, the output end of the first triode, the output end of the second resistor and the output end of the second triode are connected with a fourth resistor after being converged, and the fourth resistor is connected between the second triode and the third resistor.
As a preferable scheme of the concrete pumping and pouring air-hole alarming device for the formwork trolley, the resistance values of the second resistor and the fourth resistor are equal, the resistance value of the first resistor is smaller than that of the second resistor or the fourth resistor, and the resistance value of the third resistor is smaller than that of the first resistor.
As a preferable scheme of the concrete pumping and pouring air-hole alarming device for the formwork trolley, the depth of the leading-out end of the electric contact pressure gauge inserted into the cement container, the depth of the leading-out end of the second switch inserted into the cement container and the depth of the leading-out end of the third resistor inserted into the cement container are increased in sequence.
As a preferred scheme of the concrete pumping and pouring air-hole alarming device for the formwork trolley, the model of the first triode and the model of the second triode are 9014.
According to the embodiment of the invention, a water pump motor is connected with a first alternating current contactor, the first alternating current contactor is connected with an air switch, and the first alternating current contactor is connected to a zero line through the air switch; be connected with the fuse between first ac contactor and the air switch, the fuse is connected with first switch and electric contact pressure gauge, first switch is connected with second ac contactor, electric contact pressure gauge is connected with the relay, freewheeling diode, first resistance and second switch, the relay, freewheeling diode, connect in parallel each other between first resistance and the second switch, be connected with first triode after relay and freewheeling diode are parallelly connected, first resistance is connected with the second resistance, first triode is connected to and is reconnected the second triode after being connected to between first resistance and the second resistance, the second triode is connected with the third resistance. The electric contact pressure gauge, the second switch and the leading-out end of the third resistor are sequentially connected into the cement container. According to the technical scheme, only the work prompt signal is used for indicating before the concrete water level is not detected, the base input end of the triode is high when the electric contact pressure gauge, the second switch and the leading-out end of the third resistor are communicated, the triode has an input signal to drive the light-emitting diode to work and alarm, the design is simple and easy, reliable and sensitive, the power consumption is low, the efficiency is high, the trolley is prevented from deforming due to excessive concrete pouring, a cavity is prevented from being formed due to the fact that concrete cannot be located, the smoothness of subsequent construction is guaranteed, and major economic loss or engineering waste is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic structural view of a pumping concrete pouring air-raid shelter alarm device of a formwork trolley provided in an embodiment of the present invention.
In the figure: 1. a water pump motor; 2. a zero line; 3. a cement container; 4. a first AC contactor; 5. an air switch; 6. a fuse; 7. a first switch; 8. an electric contact pressure gauge; 9. a second AC contactor; 10. a relay; 11. a freewheeling diode; 12. a first resistor; 13. a second switch; 14. a first triode; 15. a second resistor; 16. a second triode; 17. a third resistor; 18. an electrolytic capacitor; 19. and a fourth resistor.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a pumping concrete pouring air-hole warning device for a formwork trolley comprises a water pump motor 1, a zero line 2 and a cement container 3, wherein the water pump motor 1 is connected with a first alternating current contactor 4, the first alternating current contactor 4 is connected with an air switch 5, and the first alternating current contactor 4 is connected to the zero line 2 through the air switch 5; be connected with fuse 6 between first ac contactor 4 and the air switch 5, fuse 6 is connected with first switch 7 and electric contact pressure gauge 8, first switch 7 is connected with second ac contactor 9, electric contact pressure gauge 8 is connected with relay 10, freewheeling diode 11, first resistance 12 and second switch 13, connect in parallel each other between relay 10, freewheeling diode 11, first resistance 12 and the second switch 13, be connected with first triode 14 after relay 10 and freewheeling diode 11 are parallelly connected, first resistance 12 is connected with second resistance 15, first triode 14 is connected to be connected to after again being connected with second triode 16 between first resistance 12 and the second resistance 15, second triode 16 is connected with third resistance 17. And leading-out ends of the electric contact pressure gauge 8, the second switch 13 and the third resistor 17 are sequentially connected into the cement container 3.
Specifically, the air switch 5 is a three-pole three-throw switch. The second alternating current contactor 9 is connected with the zero line 2, and the electric contact pressure gauge 8 is connected with the zero line 2. An electrolytic capacitor 18 is connected to a line passing through the electric contact pressure gauge 8, and the electrolytic capacitor 18 is connected between the first resistor 12 and the second switch 13. The output end of the first triode 14, the output end of the second resistor 15 and the output end of the second triode 16 are connected in sequence. The output end of the first triode 14, the output end of the second resistor 15 and the output end of the second triode 16 are converged and then connected with a fourth resistor 19, and the fourth resistor 19 is connected between the second triode 16 and the third resistor 17. The model of the first triode 14 and the second triode 16 is 9014.
Specifically, the resistance values of the second resistor 15 and the fourth resistor 19 are equal, the resistance value of the first resistor 12 is smaller than the resistance values of the second resistor 15 or the fourth resistor 19, and the resistance value of the third resistor 17 is smaller than the resistance value of the first resistor 12. In this embodiment, the resistance value of the first resistor 12 is 10K Ω, the resistance values of the second resistor 15 and the fourth resistor 19 are 22K Ω, and the resistance value of the third resistor 17 is 5.6K Ω.
Specifically, the depth of the leading-out end of the electric contact pressure gauge 8 inserted into the cement container 3, the depth of the leading-out end of the second switch 13 inserted into the cement container 3, and the depth of the leading-out end of the third resistor 17 inserted into the cement container 3 are sequentially increased. When the water level of the cement container 3 is at a low level, the electric contact pressure gauge 8, the second switch 13 and the leading-out end of the third resistor 17 are communicated, and the first triode 14 and the second triode 16 have input signals to drive the follow-up fly-wheel diode 11 to work and alarm.
In the template trolley pumped concrete pouring air-hole alarm device provided by the embodiment, the working power supply can be AC380V, 220V, 110V, 36V and 24V, the working frequency is 50/60Hz, and the allowable voltage fluctuation range is (85% -110%) Ue; contact capacity: 5 aa AC 220V (resistive). In this embodiment, "high" (H1) is the upper limit liquid level control point of the cement container 3, when the water level rises to the high point water level, the water contacts with the probe (electrode) of the leading-out end, the controller automatically turns off the water pump motor 1, and the water supply is stopped. "well" (H2) is the lower limit liquid level control point of the cement container 3, the water level drops below the midpoint water level, the water is separated from the contact with the probe (electrode) of the leading-out end, the controller automatically turns on the pump to add water to the cement container 3. "Low" (H3) is the bottom line of the cement container 3, and is placed at the lowest point of the cement container 3 and slightly higher than the bottom of the cement container 3. When the water level rises to a high point, water is contacted with the probe (electrode), and the triode has an input signal to drive the following fly-wheel diode 11 to work and alarm. When the cement is filled to the top, the alarm is given, so that the cement is filled to the second lining and the trolley is protected.
According to the embodiment of the invention, a water pump motor 1 is connected with a first alternating current contactor 4, the first alternating current contactor 4 is connected with an air switch 5, and the first alternating current contactor 4 is connected to a zero line 2 through the air switch 5; be connected with fuse 6 between first ac contactor 4 and the air switch 5, fuse 6 is connected with first switch 7 and electric contact pressure gauge 8, first switch 7 is connected with second ac contactor 9, electric contact pressure gauge 8 is connected with relay 10, freewheeling diode 11, first resistance 12 and second switch 13, relay 10, freewheeling diode 11, connect in parallel each other between first resistance 12 and the second switch 13, be connected with first triode 14 after relay 10 and freewheeling diode 11 are parallelly connected, first resistance 12 is connected with second resistance 15, be connected with second triode 16 again after first triode 14 is connected to between first resistance 12 and the second resistance 15, second triode 16 is connected with third resistance 17. Leading-out ends of the electric contact pressure gauge 8, the second switch 13 and the third resistor 17 are sequentially connected into the cement container 3. According to the technical scheme, only the work prompt signal is used for indicating before the concrete water level is not detected, the base input end of the triode is high when the electric contact pressure gauge 8, the second switch 13 and the lead-out end of the third resistor 17 are communicated, the triode has an input signal to drive the fly-wheel diode to work and alarm, the design is simple and easy, the reliability and the sensitivity are high, the power consumption is low, the efficiency is high, the trolley is prevented from deforming due to excessive concrete pouring, a cavity is prevented from being formed due to the fact that the concrete cannot be located, the smoothness of subsequent construction is guaranteed, and major economic loss or project waste is avoided.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. A pumping concrete pouring air-raid shelter alarm device for a formwork trolley comprises a water pump motor (1), a zero line (2) and a cement container (3), and is characterized in that the water pump motor (1) is connected with a first alternating current contactor (4), the first alternating current contactor (4) is connected with an air switch (5), and the first alternating current contactor (4) is connected to the zero line (2) through the air switch (5); a fuse (6) is connected between the first alternating current contactor (4) and the air switch (5), the fuse (6) is connected with a first switch (7) and an electric contact pressure gauge (8), the first switch (7) is connected with a second alternating current contactor (9), the electric contact pressure gauge (8) is connected with a relay (10), a freewheeling diode (11), a first resistor (12) and a second switch (13), the relay (10), the freewheeling diode (11), the first resistor (12) and the second switch (13) are connected in parallel, the relay (10) and the freewheeling diode (11) are connected in parallel and then connected with a first triode (14), the first resistor (12) is connected with a second resistor (15), the first triode (14) is connected between the first resistor (12) and the second resistor (15) and then connected with a second triode (16), the second triode (16) is connected with a third resistor (17);
the leading-out ends of the electric contact pressure gauge (8), the second switch (13) and the third resistor (17) are sequentially connected into the cement container (3);
h1 is an upper limit liquid level control point of the cement container 3, when the water level rises to a high point water level, water contacts with a probe of a leading-out end, a controller automatically turns off a water pump motor 1, and water supply is stopped;
h2 is a lower limit liquid level control point of the cement container 3, when the water level drops below the midpoint water level, the water is separated from the contact with the probe of the leading-out end, the controller automatically turns on the pump to add water to the cement container 3;
h3 is the bottom line of the cement container 3, and is placed at the lowest point of the cement container 3, when the water level rises to the high point, water contacts the probe, the triode has input signals, and drives the following fly-wheel diode 11 to work and alarm;
when the cement is filled to the top, the alarm is given, so that the cement is filled to the second lining and the trolley is protected.
2. The form jumbo pumped concrete pouring air-raid shelter alarm device of claim 1, wherein said air switch (5) is a three-pole three-throw switch.
3. The formwork trolley pumped concrete pouring air-hole alarm device as claimed in claim 1, wherein the second alternating current contactor (9) is connected with the zero line (2), and the electric contact pressure gauge (8) is connected with the zero line (2).
4. A formwork trolley pumped concrete casting void warning device according to claim 1, wherein an electrolytic capacitor (18) is connected on a line passing through the electro-contact pressure gauge (8), the electrolytic capacitor (18) being connected between the first resistor (12) and the second switch (13).
5. The formwork trolley pumped concrete pouring air-void warning device as claimed in claim 1, wherein the output end of the first triode (14), the output end of the second resistor (15) and the output end of the second triode (16) are connected in sequence.
6. A form jumbo pumped concrete casting cavity warning device according to claim 5, characterized in that, the fourth resistance (19) is connected after the output of the first triode (14), the output of second resistance (15) and the output of second triode (16) converge, and fourth resistance (19) is connected between the second triode (16) and third resistance (17).
7. A form jumbo pumped concrete casting void warning device according to claim 6, characterized in that the second and fourth resistors (15, 19) are of equal resistance value, the first resistor (12) being of lower resistance value than the second or fourth resistor (15, 19), the third resistor (17) being of lower resistance value than the first resistor (12).
8. A form jumbo pumped concrete pouring air-hole warning device according to claim 1, characterized in that the depth of insertion of the outlet of the electro-contact pressure gauge (8) into the cement container (3), the depth of insertion of the outlet of the second switch (13) into the cement container (3), and the depth of insertion of the outlet of the third resistor (17) into the cement container (3) increase in this order.
9. A form trolley pumped concrete casting void warning device as claimed in claim 1, wherein the first transistor (14) and the second transistor (16) are of the type 9014.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712622.XA CN110295922B (en) | 2019-08-02 | 2019-08-02 | Template platform truck pump sending concrete placement air-raid shelter alarm device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712622.XA CN110295922B (en) | 2019-08-02 | 2019-08-02 | Template platform truck pump sending concrete placement air-raid shelter alarm device |
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| CN110295922A CN110295922A (en) | 2019-10-01 |
| CN110295922B true CN110295922B (en) | 2020-12-08 |
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| CN113356567B (en) * | 2021-06-03 | 2023-03-24 | 张忠良 | Intelligent template for building construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2319398Y (en) * | 1998-03-30 | 1999-05-19 | 王继武 | Gas dissolving cylinder automatic controlling device for dissolving |
| CN2415061Y (en) * | 2000-03-29 | 2001-01-17 | 王久德 | Full-automatic water level controller |
| CN201301473Y (en) * | 2008-11-17 | 2009-09-02 | 马绍根 | Automatic pumping controller for water tower |
| CN103927918B (en) * | 2014-05-14 | 2019-02-12 | 雷建设 | Automatic pumping demonstration device is controlled using triode |
| CN206133216U (en) * | 2016-09-30 | 2017-04-26 | 路远 | Tunnel water level intelligent monitoring system |
| CN106327731A (en) * | 2016-10-19 | 2017-01-11 | 中铁隧道集团第五建筑有限公司 | Anti-void monitor for tunnel lining concrete vault |
| CN106761915B (en) * | 2017-03-08 | 2018-11-23 | 淮南矿业(集团)有限责任公司 | A kind of Auto-drainage control system |
| CN109209442A (en) * | 2018-11-04 | 2019-01-15 | 福建省交通建设工程监理咨询有限公司 | Tunnel double-lining tee tube liquid level relay bomb shelter warning device |
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