CN110715891A - Concrete gap measuring device and using method thereof - Google Patents
Concrete gap measuring device and using method thereof Download PDFInfo
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- CN110715891A CN110715891A CN201911138009.8A CN201911138009A CN110715891A CN 110715891 A CN110715891 A CN 110715891A CN 201911138009 A CN201911138009 A CN 201911138009A CN 110715891 A CN110715891 A CN 110715891A
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- 238000000034 method Methods 0.000 title claims abstract description 47
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- 230000006698 induction Effects 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 38
- 238000005259 measurement Methods 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 17
- 239000011800 void material Substances 0.000 claims description 16
- 238000009415 formwork Methods 0.000 claims description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 230000001960 triggered effect Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 230000003213 activating effect Effects 0.000 claims description 4
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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Abstract
The invention belongs to the technical field of concrete safety quality control devices, and particularly relates to a concrete gap measuring device and a using method thereof.
Description
Technical Field
The invention belongs to the technical field of concrete safety quality control devices, and particularly relates to a concrete gap measuring device and a using method thereof.
Background
The qualified standard of the thickness of the secondary lining of the tunnel in the specification of the nondestructive testing regulation of the lining quality of the railway tunnel is that the thickness and the size of the secondary lining of the tunnel meet the design requirements, and a cavity cannot be formed at the back of the secondary lining of the supporting concrete. Therefore, in the tunnel construction process, the concrete poured on the top of the second lining is compact in filling, the construction quality of the concrete of the second lining can be basically determined, but in the actual construction process, when the concrete engineering is constructed, the formwork is closed, the filling condition of the position of the poured concrete cannot be observed, all the concrete is judged or part of the formwork is removed by experienced constructors for observation and then is blocked after observation, and the observation is not comprehensive due to the field conditions and the like, so that the pouring quality and the material supply of the concrete are difficult to guarantee in a blocking and controlling manner.
Disclosure of Invention
The invention provides a concrete gap measuring device and a using method thereof, and aims to solve the problems that the quality of concrete poured in the existing construction mode of two-lining concrete is inconvenient to observe, so that the construction quality is difficult to ensure and the material of the concrete is difficult to control in the prior art.
The technical problem solved by the invention is realized by adopting the following technical scheme: a concrete gap measuring device comprises a sensing device for determining a concrete construction position and a flowing position of the concrete construction position, wherein the sensing device conveys a jacking device connected with the sensing device to a concrete designated position through the lifting function of the jacking device, the jacking device is fixed with a template through the positioning and stabilizing effects of a fixing device, and the sensing device feeds back concrete construction data through a display device electrically connected with the sensing device through a sensor control circuit.
Further, the concrete construction positions comprise concrete pouring positions at the tops of the second linings of the construction tunnel; the concrete flowing position comprises a concrete liquid level position at the top of a secondary lining of the construction tunnel; the specified position of the concrete is the position of an embedded induction device at the top of a secondary lining of the construction tunnel.
Further, the sensing device comprises a top pressure sensor and a concrete measuring sensor, wherein the top pressure sensor is used for determining whether the measuring device is conveyed to the top of the concrete designated position; the concrete measuring sensor is used for determining a concrete construction position and determining a concrete flow position.
Further, the top pressure sensor comprises a contact type top pressure sensor, a top contact outer layer is arranged on the surface of the top pressure sensor, and the top pressure sensor and the top contact outer layer are sealed through a sealing ring; the concrete measuring inductor includes hollow structure's installation shell, installation shell internal surface encircles distribution measurement pressure sensor from top to bottom in proper order and encircles distribution non-contact level sensor rather than crisscross, the cavity section sets up sensor control circuit in the installation shell.
Further, the contact outer layer is made of toughened glass or plastic materials;
further, the mounting shell is made of transparent materials such as tempered glass or plastic materials;
further, the mounting case is supported by one end of a fixing ring on the outer circumferential surface thereof, and the other end thereof is fixed in the support column by a fixing ring plate.
Further, the jacking device includes the jacking pipe of being connected through anticreep fixture and installation shell, jacking outside of tubes peripheral surface bilateral symmetry distributes and goes up and down the fluted disc, the lift fluted disc sets up the lifting disk relatively, the tedge is promoted through the roll interlock of lift fluted disc and lifting disk, the inside scale that sets up of jacking pipe, jacking outside of tubes surface sets up the observation hole that can observe the scale, set up the axis of rotation on the lifting disk, set up the rotation pin mouth in the axis of rotation, the lifting fluted disc sets up the brake pin relatively.
Furthermore, fixing device includes that one end passes through the fixed plate that flange and template are connected, the installation shell top is connected to the other end of fixed plate.
Further, the sensor control circuit comprises a top pressure sensor substrate R2, a measurement pressure sensor substrate R1 and a non-contact liquid level sensor substrate R3, wherein the corresponding power supply ends of the top pressure sensor substrate R2, the measurement pressure sensor substrate R1 and the non-contact liquid level sensor substrate R3 are commonly connected to a power supply V1, the output end of the top pressure sensor substrate R2 is connected to a top-mounted display lamp HL1, the corresponding output end of the measurement pressure sensor substrate R1 is connected to one input end of the display through a non-contact induction concentrator J1, and the corresponding output end of the non-contact liquid level sensor substrate R3 is connected to the other input end of the display through a non-contact induction concentrator J2.
Meanwhile, the invention also provides a using method of the concrete gap measuring device, which comprises the steps of fixing any one of the concrete gap measuring devices to a template, lifting the fixed sensing device through the rotation of a lifting disc, lighting a top display lamp if a top pressure sensor is triggered by the top of a concrete designated position, stopping lifting the concrete gap measuring device, inserting a brake pin and fixing the height of the lifting device, pre-estimating the concrete usage through scale lines of the lifting device, carrying out concrete pouring in the template according to the pre-estimated concrete usage and judging concrete construction data fed back by the display device, and determining that the concrete pouring filling position reaches the standard through a measuring pressure sensor and the concrete flowing position reaches the standard through a non-contact liquid level sensor;
if the concrete is fully poured, separating the jacking device from the sensing device, and reserving the sensing device in the concrete;
and if the concrete is measured again after construction, connecting a display, and activating an induction device to observe the compaction condition of the top of the concrete.
Meanwhile, the invention also provides a using method of the concrete gap measuring device, which is characterized in that the concrete gap measuring device comprising any one of the concrete gap measuring devices is fixed on the template, the fixed sensing device is lifted through the rotation of the lifting disc, if the top pressure sensor is triggered by the top of the specified position of the concrete, the overhead display lamp is lighted and stops the lifting of the concrete gap measuring device, and simultaneously the brake pin is inserted and the height of the jacking device is fixed, pre-estimating the concrete use amount through the scale lines of the jacking device, performing concrete pouring in the template according to the pre-estimated concrete use amount, judging concrete construction data fed back by the display device, and determining that the poured concrete is full if the concrete construction position is determined to reach the standard through the pressure measuring sensor and the concrete flow position is determined to reach the standard through the non-contact liquid level sensor;
and if the concrete is fully poured, descending the sensing device through the jacking device, and withdrawing the sensing device out of the interior of the concrete.
The invention has the beneficial effects that:
the device comprises the sensing device, the jacking device, the fixing device and a display device, wherein the jacking device is connected with the template, the sensing device is used for conveying the concrete to a specified position of the concrete through the lifting function of the jacking device connected with the sensing device, the jacking device is fixed with the template through the positioning and stabilizing functions of the fixing device, the sensing device feeds back the data of concrete construction through the display device electrically connected with the sensing device through a sensor control circuit, and the sensing device comprises the sensing device, the jacking device, the fixing device and the display; the jacking device enables the sensing device inside the jacking device to reach a specified position through a lifting function; the fixing device is fixed with the template through flanges and the like to position and stabilize the instrument; the display feeds back data on the display through the sensing equipment, wherein the sensing device comprises a pressure sensing device and a non-contact sensing device, the pressure sensing device directly contacts with the concrete to sense the existing part of the concrete, the technical essence is that whether concrete pouring is full is judged, a non-contact induction device determines the position of concrete flowing on the liquid level through induction, the technical essence is that the height of the concrete pouring is judged, the invention realizes the control of the concrete pouring process condition in the concrete engineering construction process of tunnels and the like, the invention can be used for observing the pit-out situation of the back of the finished concrete, knowing the concrete situation in real time in the concrete pouring construction process of the closed template, controlling the material of the concrete in the concrete pouring process, and simultaneously, the shrinkage condition of the concrete at the later stage is known, and the rear void of the concrete at the engineering use stage is observed.
Drawings
FIG. 1 is a schematic view showing the overall structure of a concrete gap measuring apparatus according to the present invention;
FIG. 2 is a schematic structural view of a fixing device of a concrete gap measuring apparatus according to the present invention;
FIG. 3 is a schematic structural diagram of a jacking device of the concrete gap measuring device of the present invention;
FIG. 4 is a schematic structural diagram of the connection between the jacking device and the sensing device of the concrete gap measuring device of the present invention;
FIG. 5 is a schematic diagram of a top pressure sensor of a concrete void measuring device according to the present invention;
FIG. 6 is a schematic diagram of a concrete measuring sensor of the concrete gap measuring apparatus according to the present invention;
FIG. 7 is an electrical schematic of a sensor control circuit of a concrete void measuring device of the present invention;
FIG. 8 is a flow chart of a method of using a concrete void measurement device according to a first embodiment of the present invention;
FIG. 9 is a flow chart of a method of using a concrete void measurement device according to a second embodiment of the present invention;
fig. 10 is a concrete pouring process progress effect diagram of a method for using a concrete gap measuring apparatus according to a first embodiment of the present invention;
fig. 11 is a concrete pouring process progress effect diagram of a method for using a concrete gap measuring apparatus according to a second embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
in the figure: 1-sensing device, 2-jacking device, 3-fixing device, 4-sensor control circuit, 5-display device, 6-template, 7-top pressure sensor, 8-concrete measuring sensor, 9-top pressure sensor, 10-top contact outer layer, 11-sealing ring, 12-mounting shell, 13-measuring pressure sensor, 14-non-contact liquid level sensor, 15-hollow section, 16-fixing ring, 17-fixing ring plate, 18-anti-falling fixture, 19-lifting pipe, 20-lifting fluted disc, 21-lifting disc, 22-graduated scale, 23-observation hole, 24-rotation shaft, 25-rotation pin hole, 26-brake pin, 27-fixing plate;
r1-pressure sensor substrate, R2-pressure sensor substrate, R3-non-contact liquid level sensor substrate, V1-power supply, HL 1-top display lamp, J1-non-contact induction concentrator, J2-non-contact induction concentrator;
s101, fixing a concrete gap measuring device on a template;
s102, lifting the fixed sensing device through rotation of a lifting disc, and if a top pressure sensor is triggered by the top of a specified position of concrete, lightening a top display lamp, stopping lifting of the concrete gap measuring device, and simultaneously inserting a brake pin and fixing the height of the jacking device;
s103, pre-estimating the concrete usage through the scale lines of the jacking device, and pouring concrete in the formwork according to the pre-estimated concrete usage;
s104, judging the concrete construction data fed back by the display device, and determining that the poured concrete is full if the concrete construction position reaches the standard through the pressure measuring sensor and the concrete flowing position reaches the standard through the non-contact liquid level sensor;
s105, if the concrete is fully poured, separating the jacking device from the sensing device, and reserving the sensing device in the concrete;
s106, if concrete measurement is carried out again after construction, connecting a display, and activating an induction device to observe the top compaction condition of the concrete;
s205, if the concrete is fully poured, descending the sensing device through the jacking device, and withdrawing the sensing device out of the concrete;
example (b):
the first embodiment is as follows: as shown in fig. 1, a concrete gap measuring device comprises a sensing device 1 for determining a concrete construction position and a flowing position thereof, wherein the sensing device 1 conveys the concrete construction position to a specified concrete position through a lifting function of a lifting device 2 connected with the sensing device 1, the lifting device 2 is fixed with a template 6 through the positioning and stabilizing functions of a fixing device 3, and the sensing device 1 feeds back concrete construction data through a display device 5 electrically connected with the sensing device 1 through a sensor control circuit 4.
The device comprises the sensing device, the jacking device, the fixing device and the display, wherein the sensing device determines the construction position and the flowing position of the concrete, the sensing device conveys the concrete to the specified position of the concrete through the lifting function of the jacking device connected with the sensing device, the jacking device is fixed with the template through the positioning and stabilizing functions of the fixing device, and the sensing device feeds back the concrete construction data through the display device electrically connected with the sensing device through a sensor control circuit; the jacking device enables the sensing device inside the jacking device to reach a specified position through a lifting function; the fixing device is fixed with the template through flanges and the like to position and stabilize the instrument; the display feeds back data on the display through the sensing equipment, wherein the sensing device comprises a pressure sensing device and a non-contact sensing device, the pressure sensing device and the sensing device which determines the concrete construction position and the flow position of the concrete, the induction device conveys the concrete to a designated position through the lifting function of a lifting device connected with the induction device, the jacking device is fixed with the template through the positioning and stabilizing functions of the fixing device, the sensing device feeds back the data of concrete construction through the display device electrically connected with the sensing device through the sensor control circuit, the device comprises an induction device, a jacking device, a fixing device and a display, wherein the induction device determines the construction position of the concrete through direct contact of the pressure induction device and the concrete through two induction devices, and determines the flowing position of the concrete through a non-contact induction device; the jacking device enables the sensing device inside the jacking device to reach a specified position through a lifting function; the fixing device is fixed with the template through flanges and the like to position and stabilize the instrument; the display feeds back data on the display through sensing equipment, wherein the sensing device comprises a pressure sensing device and a non-contact sensing device, the pressure sensing device directly contacts and senses the existing position of concrete, the technical essence is to judge whether the concrete pouring is full, the non-contact sensing device determines the position of the concrete flowing on the liquid level through sensing, and the technical essence is to judge the height of the concrete pouring, the invention realizes the control of the concrete pouring process in the concrete engineering construction process of tunnels and the like, and observes the pit falling condition at the back of the finished concrete, the application of the invention can know the concrete in real time in the closed template concrete pouring construction process, control the material of the concrete in the concrete pouring process, and simultaneously, know the shrinkage condition at the later stage of the concrete and observe the concrete falling at the back of the engineering use stage, the concrete directly contacts and senses the existing part, the technical essence is to judge whether the concrete is filled or not, the non-contact sensing device determines the position of the concrete flowing on the liquid level through sensing, and the technical essence is to judge the height of the concrete, so that the control of the concrete pouring process condition in the concrete engineering construction process of tunnels and the like is realized, the pit-falling condition at the back of the finished concrete is observed, the concrete can be known in real time in the closed template concrete pouring construction process, the material of the concrete in the concrete pouring process is clamped and controlled, and meanwhile, the shrinkage condition at the later stage of the concrete is known and the concrete at the back of the engineering use stage is observed.
The concrete construction position comprises a concrete pouring position at the top of a secondary lining of the construction tunnel; the concrete flowing position comprises a concrete liquid level position at the top of a secondary lining of the construction tunnel; the specified position of the concrete is the position of an embedded induction device 1 at the top of a secondary lining of the construction tunnel.
The concrete construction position comprises a concrete pouring position at the top of a secondary lining of the construction tunnel; the concrete flowing position comprises a concrete liquid level position at the top of a secondary lining of the construction tunnel; the concrete designated position is the position of a pre-embedded sensing device at the top of the secondary lining of the construction tunnel, and the concrete construction position is the determined construction position which is in direct contact with concrete, namely the concrete pouring position, the concrete liquid level position is the determined concrete flowing or liquid level position, and the concrete designated position is the preset concrete fixed-point observation position.
The sensing device 1 comprises a top pressure sensor 7 and a concrete measuring sensor 8, wherein the top pressure sensor 7 is used for determining whether the measuring device is conveyed to the top of a concrete designated position; the concrete measuring sensor 8 is used for determining a concrete construction position and determining a concrete flow position.
As shown in fig. 5 and 6, the top pressure sensor 7 comprises a contact type top pressure sensor 9, a top contact outer layer 10 is arranged on the surface of the top pressure sensor 9, and the top pressure sensor 9 and the top contact outer layer 10 are sealed by a sealing ring 11; concrete measurement inductor 8 includes hollow structure's installation shell 12, installation shell 12 internal surface encircles distribution measurement pressure sensor 13 from top to bottom in proper order and encircles distribution non-contact level sensor 14 rather than crisscross, hollow section 15 sets up sensor control circuit 4 in the installation shell 12.
Because the top pressure sensor comprises a contact type top pressure sensor, the inner surface of the installation shell sequentially surrounds the distributed measuring pressure sensors from top to bottom and the non-contact liquid level sensors which are staggered and distributed with the distributed measuring pressure sensors, because the sensing device directly contacts with the concrete to sense the existing position of the sensing device, the non-contact sensing device determines the concrete to flow at the liquid level position through sensing, the top pressure sensor is used for triggering the top pressure sensor when the sensing device rises to the top to be contacted with the top concrete, the top lamp of the display is lightened, the jacking process of the sensing device is completed, because the distributed pressure sensors and the non-contact sensors are sequentially surrounded from top to bottom, corresponding pressure sensors and non-contact sensors are sequentially triggered from low to high gradually in the concrete construction process, and because the pressure sensors are continuously triggered, the filling and the full filling of the concrete construction can be ensured, the non-contact sensor guarantees the height to reach standard of the concrete of construction, constantly feeds back pressure data and liquid level data in real time through pressure and non-contact sensor to show for the constructor through the display and observe, constructor can know the construction situation of concrete in real time through the observation to feedback data, guarantees the quality of pouring and the material supply card accuse of concrete construction.
The mounting case 12 is supported at one end thereof by a fixing ring 16 on the outer circumferential surface thereof, and the other end thereof is fixed in the support column by a fixing ring plate 17.
Because the adoption the installation shell supports through the solid fixed ring one end on its periphery surface, its other end passes through the fixed ring board to be fixed in the support column, owing to adopt solid fixed ring to fix in the support column, guaranteed induction system's stability at the jacking in-process.
As shown in fig. 3 and 4, the jacking device 2 includes a jacking pipe 19 connected with the mounting shell 12 through an anti-drop fixture 18, lifting fluted discs 20 are symmetrically distributed on two sides of the outer circumferential surface of the jacking pipe 19, the lifting fluted discs 20 are relatively provided with lifting discs 21, the jacking pipe 19 is lifted through rolling engagement of the lifting fluted discs 20 and the lifting discs 21, scales 22 are arranged inside the jacking pipe 19, an observation hole 23 for observing the scales 22 is formed in the outer surface of the jacking pipe 19, a rotating shaft 24 is arranged on the lifting discs 21, a rotating pin opening 25 is formed in the rotating shaft 24, and a brake pin 26 is relatively arranged on the lifting fluted discs 20.
Because the lifting fluted discs are symmetrically distributed on two sides of the outer circumferential surface of the jacking pipe, the lifting fluted discs are oppositely provided with the lifting discs, the jacking pipe is lifted by the rolling occlusion of the lifting fluted discs and the lifting discs, the dividing ruler is arranged in the jacking pipe, the outer surface of the jacking pipe is provided with the observation holes for observing the dividing ruler, the lifting discs are provided with the rotating shafts, the rotating shafts are provided with the rotating pin holes, the lifting fluted discs are oppositely provided with the braking pins, because the lifting fluted discs and the lifting teeth which are lifted are respectively arranged on two sides, the stability of the lifting process is improved, meanwhile, the structure of the rolling occlusion is simple, practical and stable, and simultaneously, the dividing ruler which is arranged in the jacking pipe is used for observing the lifting height of the dividing ruler through the observation holes, so that a constructor can judge the lifted position, and simultaneously, the lifting fluted discs are simple, the jacking device is fixed through the brake pin, so that the current position is stabilized.
As shown in fig. 2, the fixing device 3 includes a fixing plate 27 having one end connected to the mold 6 via a flange, and the other end of the fixing plate 27 is connected to the top of the mounting case 12.
As shown in fig. 7, the sensor control circuit 4 includes a top pressure sensor substrate R2, a measurement pressure sensor substrate R1, and a non-contact liquid level sensor substrate R3, wherein respective power terminals of the top pressure sensor substrate R2, the measurement pressure sensor substrate R1, and the non-contact liquid level sensor substrate R3 are commonly connected to a power supply V1, an output terminal of the top pressure sensor substrate R2 is connected to a set top display lamp HL1, a respective output terminal of the measurement pressure sensor substrate R1 is connected to an input terminal of the display through a non-contact sensing hub J1, and a respective output terminal of the non-contact liquid level sensor substrate R3 is connected to another input terminal of the display through a non-contact sensing hub J2.
Since the respective power supply terminals of the top pressure sensor substrate R2, the measuring pressure sensor substrate R1, and the non-contact liquid level sensor substrate R3 are used to be commonly connected to the power supply V1, the output end of the top pressure sensor substrate R2 is connected with a top display lamp HL1, the corresponding output end of the measuring pressure sensor substrate R1 is connected with one input end of the display through a non-contact induction concentrator J1, the corresponding output end of the non-contact liquid level sensor substrate R3 is connected with the other input end of the display through a non-contact induction concentrator J2, because the corresponding analog signal output ends of the top pressure sensor substrate R2, the measuring pressure sensor substrate R1 and the non-contact liquid level sensor substrate R3 are correspondingly connected with the display, the display correspondingly displays the measured analog parameters for the reference of workers, and the informatization and automation level of concrete construction is improved.
As shown in fig. 8 and 10, a method for using a concrete gap measuring device includes fixing the concrete gap measuring device to a formwork 6, lifting the fixed sensing device by rotation of a lifting disc, lighting a top display lamp if a top pressure sensor is triggered by the top of a concrete designated position, stopping lifting the concrete gap measuring device, inserting a brake pin and fixing the height of the lifting device S102, pre-estimating the concrete usage amount through a scale line of the lifting device, performing concrete pouring in the formwork according to the pre-estimated concrete usage amount S103 and judging concrete construction data fed back by the display device, and determining that the concrete pouring filling is achieved if the concrete construction position is determined to achieve the standard by a pressure measuring sensor and the concrete flow position is determined to achieve the standard by a non-contact liquid level sensor S104;
if the concrete is full, separating the jacking device from the sensing device, and keeping the sensing device in the concrete S105;
and if the concrete is measured again after construction, connecting a display, and activating an induction device to observe the top compaction condition of the concrete S106.
Because this patent still provides a concrete gap measuring device's application method, this application method is first step: firstly, mounting a fixing bolt on a template; after the fixing bolt is installed, a sealing base plate is installed to prevent concrete from overflowing; fixing the template through a fixed flange plate of the instrument by using a fixed bolt; the data line is connected with the display screen, and the pressure is towards the top line, a liquid level response line, a pressure-sensitive line. The second step is that: jacking the induction device, inserting a rotary wrench into the rotary pin hole, rotating the rotary wrench, rotating the lifting disc, and lifting the induction device by the lifting ruler; when the induction device rises to the top and contacts with the top concrete, the top pressure inductor is triggered, the top lamp of the display is on, and the induction device is lifted; inserting a brake pin and fixing the height of the jacking device; the third step: pouring concrete, observing scale marks of the jacking device, and calculating the using amount of the concrete; according to the concrete pouring condition, the concrete touches a pressure sensing device to judge the concrete pouring position, and the pressure sensing device is simultaneously measured with a non-contact sensor (liquid level sensing); judging the height of the gap at the upper part of the concrete according to the position of the concrete sensed by the pressure sensor and the display position of the jacking scale; and determining the height of the concrete gap to supplement the injected concrete. The fourth step: pouring concrete: according to the pouring condition, the jacking scale height H1 is the same as the induction height H2 of the induction device; and pouring concrete and stabilizing pressure. The fifth step: the instrument is dismantled, in the process of stabilizing the pressure of the concrete, the rotating wrench is slowly rotated, the lifting disc rotates, and the lifting ruler descends the induction device; and observing the scale of the jacking device to return to zero through the observation hole. And loosening the fixing bolt 15-30min after the concrete pouring is finished. And (5) dismantling equipment for recycling after the initial setting of the concrete.
Example two:
a concrete gap measuring device comprises a sensing device 1 for determining a concrete construction position and a flowing position of the concrete construction position, wherein the sensing device 1 conveys a jacking device 2 connected with the sensing device to a concrete designated position through a lifting function of the jacking device, the jacking device 2 is fixed with a template 6 through the positioning and stabilizing functions of a fixing device 3, and the sensing device 1 feeds back concrete construction data through a display device 5 electrically connected with the sensing device through a sensor control circuit 4.
The concrete construction position comprises a concrete pouring position at the top of a secondary lining of the construction tunnel; the concrete flowing position comprises a concrete liquid level position at the top of a secondary lining of the construction tunnel; the specified position of the concrete is the position of an embedded induction device 1 at the top of a secondary lining of the construction tunnel.
The sensing device 1 comprises a top pressure sensor 7 and a concrete measuring sensor 8, wherein the top pressure sensor 7 is used for determining whether the measuring device is conveyed to the top of a concrete designated position; the concrete measuring sensor 8 is used for determining a concrete construction position and determining a concrete flow position.
The top pressure sensor 7 comprises a contact type top pressure sensor 9, a top contact outer layer 10 is arranged on the surface of the top pressure sensor 9, and the top pressure sensor 9 and the top contact outer layer 10 are sealed through a sealing ring 11; concrete measurement inductor 8 includes hollow structure's installation shell 12, installation shell 12 internal surface encircles distribution measurement pressure sensor 13 from top to bottom in proper order and encircles distribution non-contact level sensor 14 rather than crisscross, hollow section 15 sets up sensor control circuit 4 in the installation shell 12.
The mounting case 12 is supported at one end thereof by a fixing ring 16 on the outer circumferential surface thereof, and the other end thereof is fixed in the support column by a fixing ring plate 17.
Jacking device 2 includes the jacking pipe 19 of being connected through anticreep fixture 18 and installation shell 12, 19 outer circumferential surface bilateral symmetry of jacking pipe distributes lift fluted disc 20, lift fluted disc 20 sets up lifting disc 21 relatively, the roll interlock of jacking pipe 19 through lift fluted disc 20 and lifting disc 21 promotes, 19 inside scales 22 that set up of jacking pipe, 19 outer surfaces of jacking pipe set up the observation hole 23 of observable scales 22, set up axis of rotation 24 on the lifting disc 21, set up rotation round pin mouth 25 on the axis of rotation 24, the relative stopper pin 26 that sets up of lifting fluted disc 20.
The fixing device 3 comprises a fixing plate 27 with one end connected with the template 6 through a flange, and the other end of the fixing plate 27 is connected with the top of the mounting shell 12.
The sensor control circuit 4 comprises a top pressure sensor substrate R2, a measurement pressure sensor substrate R1 and a non-contact liquid level sensor substrate R3, wherein the corresponding power supply ends of the top pressure sensor substrate R2, the measurement pressure sensor substrate R1 and the non-contact liquid level sensor substrate R3 are commonly connected to a power supply V1, the output end of the top pressure sensor substrate R2 is connected to a top-mounted display lamp HL1, the corresponding output end of the measurement pressure sensor substrate R1 is connected to one input end of the display through a non-contact sensing concentrator J1, and the corresponding output end of the non-contact liquid level sensor substrate R3 is connected to the other input end of the display through a non-contact sensing concentrator J2.
As shown in fig. 9 and 11, a method for using a concrete gap measuring device includes fixing the concrete gap measuring device to a formwork S101, lifting the fixed sensing device by rotation of a lifting plate, lighting a top display lamp if a top pressure sensor is triggered by the top of a concrete designated position, stopping lifting the concrete gap measuring device, inserting a brake pin and fixing the height of the lifting device S102, pre-estimating the concrete usage amount through a scale line of the lifting device, performing concrete pouring in the formwork according to the pre-estimated concrete usage amount S103 and judging concrete construction data fed back by the display device, and determining concrete pouring filling if the concrete construction position reaches the standard through a pressure measuring sensor and the concrete flow position reaches the standard through a non-contact liquid level sensor S104;
if the concrete pour is full, the sensing device is lowered by the jacking device and withdrawn from the interior of the concrete S205.
The essential difference between the method for using the concrete gap measuring device and the method for using the other concrete gap measuring device is that the first method for using the concrete gap measuring device is that after the concrete gap measuring device is used, the sensing device is retained in the concrete for subsequent observation and measurement; a second method of use consists in withdrawing the sensor device from the concrete after use and in plugging the gap.
The invention reduces the man-machine usage for concrete observation on construction sites, and reduces the investment on personnel and machinery for concrete construction and observation under the conditions of difficult construction, complex condition and environment and the like, thereby reducing the concrete pouring construction cost in the tunnel construction process.
The working principle is as follows:
the concrete construction device comprises an induction device, a jacking device, a fixing device and a display, wherein the induction device determines a concrete construction position and a flowing position of the concrete construction position, the induction device conveys the concrete construction position to a specified concrete position through the lifting function of the jacking device connected with the induction device, the jacking device is fixed with a template through the positioning and stabilizing functions of the fixing device, the induction device feeds back concrete construction data through the display device electrically connected with the induction device through a sensor control circuit, and the induction device comprises the induction device, the jacking device, the fixing device and the display; the jacking device enables the sensing device inside the jacking device to reach a specified position through a lifting function; the fixing device is fixed with the template through flanges and the like to position and stabilize the instrument; the display feeds back data on the display through sensing equipment, wherein the sensing device comprises a pressure sensing device and a non-contact sensing device, the pressure sensing device directly contacts with concrete to sense the existing position of the concrete, the technical essence is to judge whether concrete pouring is full, the non-contact sensing device determines the position of the concrete flowing on the liquid level through sensing, and the technical essence is to judge the height of the concrete pouring, the invention realizes the control of the concrete pouring process in the concrete engineering construction process of tunnels and the like, and observes the pit-removing condition of the back of the finished concrete, solves the problems that the concrete quality poured under the existing construction mode of the two-lining concrete in the prior art is inconvenient to observe, thereby the construction quality is difficult to ensure and the material of the concrete is difficult to clamp, and can know the concrete in real time in the closed template concrete pouring construction process, and the material of concrete is blocked and controlled in the concrete pouring process, and meanwhile, the shrinkage condition of the concrete in the later period is known, and the beneficial technical effects of observing the rear void of the concrete in the engineering use stage are achieved.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (10)
1. A concrete gap measuring device is characterized by comprising a sensing device for determining a concrete construction position and a flowing position of the concrete construction position, wherein the sensing device conveys a jacking device connected with the sensing device to a concrete designated position through the lifting function of the jacking device, the jacking device is fixed with a template through the positioning and stabilizing functions of a fixing device, and the sensing device feeds back concrete construction data through a display device electrically connected with the sensing device through a sensor control circuit.
2. A concrete void measuring device according to claim 1, wherein the concrete construction site includes a construction tunnel secondary lining top concrete pouring site; the concrete flowing position comprises a concrete liquid level position at the top of a secondary lining of the construction tunnel; the specified position of the concrete is the position of an embedded induction device at the top of a secondary lining of the construction tunnel.
3. A concrete void measuring device according to claim 1, wherein the sensing means includes a top pressure sensor and a concrete measuring sensor, the top pressure sensor being used to determine whether the measuring device is delivered to the top of the concrete designated location; the concrete measuring sensor is used for determining a concrete construction position and determining a concrete flow position.
4. A concrete gap measuring device according to claim 3, wherein the top pressure sensor comprises a contact type top pressure sensor, a top contact outer layer is arranged on the surface of the top pressure sensor, and the top pressure sensor and the top contact outer layer are sealed through a sealing ring; the concrete measuring inductor includes hollow structure's installation shell, installation shell internal surface encircles distribution measurement pressure sensor from top to bottom in proper order and encircles distribution non-contact level sensor rather than crisscross, the cavity section sets up sensor control circuit in the installation shell.
5. A concrete gap measuring apparatus according to claim 4, wherein said mounting case is supported at one end thereof by a fixing ring on an outer circumferential surface thereof, and the other end thereof is fixed in the supporting column by a fixing ring plate.
6. The concrete gap measuring device of claim 1, wherein the jacking device comprises a jacking pipe connected with the mounting shell through an anti-drop fixture, lifting fluted discs are symmetrically distributed on two sides of the outer circumferential surface of the jacking pipe, the lifting fluted discs are oppositely provided with lifting discs, the jacking pipe is lifted through rolling engagement of the lifting fluted discs and the lifting discs, a graduated scale is arranged inside the jacking pipe, an observation hole for observing the graduated scale is formed in the outer surface of the jacking pipe, a rotating shaft is arranged on the lifting discs, a rotating pin opening is formed in the rotating shaft, and a braking pin is oppositely arranged on the lifting fluted discs.
7. A concrete void measuring device according to claim 1, wherein the fixing means comprises a fixing plate having one end connected to the form by a flange, and the other end of the fixing plate is connected to the top of the mounting case.
8. A concrete void measuring device as claimed in claim 1, wherein the sensor control circuit comprises a top pressure sensor substrate R2, a measuring pressure sensor substrate R1 and a non-contact liquid level sensor substrate R3, wherein the respective power terminals of the top pressure sensor substrate R2, the measuring pressure sensor substrate R1 and the non-contact liquid level sensor substrate R3 are commonly connected to a power supply V1, the output terminal of the top pressure sensor substrate R2 is connected to a set top display lamp HL1, the respective output terminal of the measuring pressure sensor substrate R1 is connected to one input terminal of the display through a non-contact sensing concentrator J1, and the respective output terminal of the non-contact liquid level sensor substrate R3 is connected to the other input terminal of the display through a non-contact sensing concentrator J2.
9. A method of using a concrete void measuring device, comprising fixing the concrete void measuring device of claim 8 as claimed in claim 1 ~ to a formwork, lifting the fixed sensing device by rotation of a lifting plate, lighting a top display lamp and stopping lifting of the concrete void measuring device if a top pressure sensor is triggered by the top of a specified position of concrete, inserting a brake pin and fixing the height of the lifting device, estimating the concrete usage amount by a scale line of the lifting device, performing concrete pouring in the formwork according to the estimated concrete usage amount and judging concrete construction data fed back by the display device, and determining that the poured concrete is full if the concrete construction position reaches the standard by measuring the pressure sensor and the concrete flow position reaches the standard by a non-contact level sensor;
if the concrete is fully poured, separating the jacking device from the sensing device, and reserving the sensing device in the concrete;
and if the concrete is measured again after construction, connecting a display, and activating an induction device to observe the compaction condition of the top of the concrete.
10. A method of using a concrete void measuring device, comprising fixing the concrete void measuring device of claim 8 as claimed in claim 1 ~ to a formwork, lifting the fixed sensing device by rotation of a lifting plate, lighting a top display lamp and stopping lifting of the concrete void measuring device if a top pressure sensor is triggered by the top of a specified position of concrete, inserting a brake pin and fixing the height of the lifting device, estimating the concrete usage amount by a scale line of the lifting device, performing concrete pouring in the formwork according to the estimated concrete usage amount and judging concrete construction data fed back by the display device, and determining that the poured concrete is full if the concrete construction position reaches the standard by measuring the pressure sensor and the concrete flow position reaches the standard by a non-contact level sensor;
and if the concrete is fully poured, descending the sensing device through the jacking device, and withdrawing the sensing device out of the interior of the concrete.
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