CN102538852A - Integrated anti-cheating grouting recording system - Google Patents
Integrated anti-cheating grouting recording system Download PDFInfo
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- CN102538852A CN102538852A CN2012100141509A CN201210014150A CN102538852A CN 102538852 A CN102538852 A CN 102538852A CN 2012100141509 A CN2012100141509 A CN 2012100141509A CN 201210014150 A CN201210014150 A CN 201210014150A CN 102538852 A CN102538852 A CN 102538852A
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Abstract
The invention relates to an integrated anti-cheating grouting recording system. A circuit part of a slurry inlet flow sensor and a pressure transmitter of a pressure sensor, or a transmitter of an additionally arranged density sensor or/and a circuit part of a slurry return flow sensor in the system, which are provided with electric signal wires, are placed in a sealed box body; a sensing part of the slurry inlet flow sensor sensing part and a pressure oil cup of the pressure sensor, which correspond to each other, and a density iron drum of the density sensor are placed outside the box body to be connected with external pipelines; an automatic recorder and a printer can be placed outside the box body or in a big box body; if the automatic recorder and the printer is placed outside the box body, sensor interfaces on the recorder are all exposed in the box body and the electric signal wires are connected onto the sensor interfaces in the box body; and all the sensors can also be arranged in an integrated box. Due to the adoption of the sealed box body and the specially-assigned person management, the probability of mutually carrying out cheating on measured values is sufficiently avoided and the facticity of the values is ensured. A sealing cover is added on the density sensor, so that the possibility of adding a weight to carry out cheating is prevented. Due to the structure and the arrangement of the box body, the reliable measurement and the inconvenience in installation and maintenance are implemented and the reasonable connection of original pipelines is maintained. The integrated anti-cheating grouting recording system is used for the grouting works of a hydropower station.
Description
(1) technical field: the present invention relates to a kind of grouting register system.Be used for the engineering metering and the quality monitoring of power station grouting works.Genus capacity, flow measurement class (G01F).
(2) background technology:
Grouting works is a concealed work, generally is used in the dam construction of power station.Grouting is that the embankment that points to the power station dam, ground etc. pour into materials such as cement, mortar, to strengthen fastness, improves barrier performance.Therefore, grouting quality will determine the total quality of power station dam.Setting-out is that dike case, ground after the grouting are carried out detective test.Grouting automatic recording instrument is used for engineering metering and quality monitoring; It can carry out record to the grouting in the grouting construction process or setting-out flow, pressure, density etc.; And data recorded is printed as the grouting construction record sheet supplies owner's direct viewing, make the owner understand and grasp the grouting construction quality.
At present; The grouting register system in existing power station is as shown in Figure 1: in order to detect slurry flow, density and the pressure that pours into to grout hole 11, slurries flow out after grouting pipeline 9 is established grouting pump 10 in order, advanced to starch flow sensor 2n, pressure transducer 5n, overfall flow sensor 3n and density sensor 4n send back to slurrying bucket 8 then from slurrying bucket 8.Each sensor is through each sensor electrical signal wire 2.1n, and 3.1n, 4.1n and 5.1n are connected with grouting automatic recording instrument 6n sensor connector at a distance, and data are delivered to registering instrument, print the grouting construction record sheet with printer 7n then.There is following problem in this grouting register system: 1) because each sensor and electrical signal line all are exposed to the scene, the field staff can reach the authenticity that changes each measured value through zero point and the full scale that changes each sensor easily.Be sensor output electric signal starting point zero point.Full scale is the enlargement factor of sensor output electric signal.2) it is long that the sensor electrical signal wire is generally 10-40 rice, the transmission current signal, and the field staff can add the size that resistance changes electric current on this line, thereby changes the authenticity of measured value.3) because outside the grouting automatic recording instrument sensor connector is exposed to, the field staff can be easily through the joint exchange or pull out, change the numerical value of input electrical signal, for example: the plug of return pipe and pulp-inlet pipe just produces false input value to falling.4), can change the size of induction pressure, thereby the numerical value of serum density is measured in influence as if density metal bucket top upper shed place cheek weight at density sensor.5) though registering instrument 6n is located in the house, but still be outside being exposed to, also exist easily with changing the possibility that registering instrument zero point and full scale mode change the authenticity of measurement numerical value.6) if the inlet and outlet piping ring flange of flow sensor etc. is outside being exposed to, and the transposing junction is also arranged and influences the possibility of measured value.Can find out that from above problem there be the chance and the condition of various cheatings in existing grouting register system, the slurry flow that causes measuring, pressure, density etc. are untrue, have a strong impact on construction quality and cause security incident.
(3) summary of the invention:
The anti-cheating grouting of integral type provided by the invention register system; Solve chance and the condition that there be various cheatings in existing grouting register system exactly; The slurry flow that causes measuring, pressure, density etc. are untrue, have a strong impact on grouting works quality and security problems.Technical scheme is following:
The anti-cheating grouting of integral type register system, comprising that installing is measuring on the grouting pipeline advances to starch flow sensor and pressure transducer or sets up density sensor or/and the overfall flow sensor; Each sensor output terminal electrical signal line is connected with the grouting automatic recording instrument sensor interface, it is characterized in that: the integral structure of establishing following characteristic:
1) private key that has that a sealing is set is opened the casing 1 of case lid, or the big casing 1A of big case lid; Installing is advanced to starch flow sensor 2 and pressure transducer 5 or is set up density sensor 4 or/and overfall flow sensor 3 on casing or the big casing; The transmitter 4.2 of the density sensor that wherein has the pressure unit 5.2 that advances to starch flow sensor circuit part 2.2 and pressure transducer of electric signal output line or set up or/and the circuit part 3.2 of overfall flow sensor all be put in casing or the big casing; And the density metal bucket 4.3 of the oil pot with force 5.3 of corresponding sensing part of advancing to starch flow sensor 2.3 and pressure transducer or the density sensor set up and is connected with outside grouting pipeline 9 or/and stretch out outside casing or big casing the sensing part 3.3 of overfall flow sensor; Wherein the density metal bucket of density sensor is placed vertically at casing or the big vertical Z in casing outer; 2) registering instrument and printer are placed on outside the casing 1 with following mode: all sensors interface 6a-6h on the registering instrument shell all is exposed in the casing, is connected on the respective sensor interface in the casing after all sensors electrical signal line 2.1-4.1 connects up in casing in the casing; 3) registering instrument and printer are placed in the big casing 1A with following mode: have the window that exposes printer, registering instrument display screen and keyboard on big Box Cover surface; And directly be connected on the registering instrument respective sensor interface after all sensors electrical signal line connects up in casing in the big casing.The placement and fixing specifically the optimizing structure of relative casing of above-mentioned each sensor and big case are described with reference to the accompanying drawings in an embodiment.
Above-mentioned casing 1 external right side also can be fixed a guard shield 12, and the dress lock locks together casing and guard shield; In the guard shield just like lower member: advance to starch sensing part and the ring flange 2.4 of flow sensor or the sensing part and the ring flange 3.4 of the overfall flow sensor set up; Or a section of the density sensor density metal bucket of setting up 4.3.The overfall flow sensor that advances to starch flow sensor or set up inlet and outlet piping stretch to outside the guard shield through perforate on the guard shield outer wall, link to each other with external pipe.Perforate can adopt open slot to substitute on the outer wall.
The present invention also provides another kind of totally-enclosed integral structure, and technical scheme is following:
The anti-cheating grouting of integral type register system, comprising that installing is measuring on the grouting pipeline advances to starch flow sensor and pressure transducer or sets up density sensor or/and the overfall flow sensor; Each sensor output terminal electrical signal line is connected with the grouting automatic recording instrument sensor interface, it is characterized in that: the integral structure of establishing following characteristic:
1) private key that has that a sealing is set is opened the integrated box 1B of gate 1.1B, and installing is advanced to starch flow sensor and pressure transducer or set up density sensor or/and whole parts of overfall flow sensor in the integrated box; Wherein all pass in and out pipeline through the integrated box sidewall at non-gate or up and down the boxboard perforate draw, link to each other with exterior line.2) registering instrument and printer are placed in the integrated box 1B with following mode: have the window that exposes printer, registering instrument display screen and keyboard on integrated box top cover surface; And directly be connected on the registering instrument respective sensor interface after all sensors electrical signal line connects up in casing in the integrated box.The placement of the relative integrated box of above-mentioned each sensor and fixing specifically optimizing structure are described with reference to the accompanying drawings in an embodiment.
Beneficial effect of the present invention:
1) all adorn signal wire, sensor interface and registering instrument etc. between each sensor and the registering instrument totally-enclosed and appointees manage in the casing of switching; Fully stifled having cut off artificially utilizes signal wire, sensor interface and registering instrument etc. to measuring the chance of numerical value cheating, guarantees the authenticity of numerical value.2) density sensor adds the possibility of the stifled cheek weight cheating of having determined of gland bonnet.3) flow sensor part placement in case is stablized, and corresponding outside slurries inlet and outlet piping then is the vertical installation of the flow sensor of permission if select vertical Z to place; Simultaneously, density sensor is the vertical installation for allowing also, and the integral structure measurement performance is accurate thus.4) right side wall has the slot 1.32-1.34 that matches with each sensor, and establishes case lid flanging 1.12-1.14 at this place.It is very convenient that integral structure is safeguarded: when need only need open or close hinge door towards Xian's sensor, sensor snapped in slot or extract out from slot get final product.5) the casing left side wall has window and tightens up nut 1.7, after assurance must be opened hinge door, just can touch the registering instrument sensor interface.6) establish the little hinge door of two fans, easy to maintenance, only need open the door of the sensor top that needs flushing and can accomplish.7) establish guard shield 12 on the casing right side, make the sensing part and the ring flange of into slurry, overfall flow sensor all hidden, help anti-cheating.And it is easy for installation to block inlet and outlet piping with open slot.8) adopt the integrated box scheme, not only strengthen anti-cheating, and installation and maintenance are convenient, only need open the gate and enter, just identical with existing pipe system.
(5) embodiment
Embodiment 1: see Fig. 2--Fig. 6
See Fig. 2, registering instrument 6 is arranged in outside the casing 1, and into slurry flow sensor 2, overfall flow sensor 3, density sensor 4 and pressure transducer 5 are housed on the casing 1 simultaneously.See Fig. 2, Fig. 3 and Fig. 5, an one seat is set, by the registering instrument pad case 1.5 in the casing 1 on right side, left side with put landing of printer 7 and dull and stereotyped 1.6 form.
See Fig. 2, Fig. 5 and Fig. 6; The circuit part that advances to starch flow sensor 2 2.2 that has electric signal output line 2.1 lies against case bottom surface 1.4 in casing; The sensing part 2.3 of advancing to starch flow sensor be placed on wall box 1.3 and beyond, the ring flange 2.4 through sensing part 2.2 is connected with the grouting pipeline 9.2 of outside vertical Z layout.See Fig. 2 and Fig. 6, the structure of overfall flow sensor 3, relatively casing 1 layout with is connected orientation etc. and to advance to starch flow sensor 2 identical, no longer description here.See Fig. 2, Fig. 3 and Fig. 6, the density metal bucket 4.3 of density sensor 4 is arranged in outside the wall box 1.3, and for placing vertically along vertical Z, the pipeline 9.4 that promptly is in the milk gets into from density metal bucket below is vertical, and upper lateral flows out to grouting pipeline 9.4.The transmitter 4.2 that density metal bucket below extends laterally is arranged in the casing 1 with the sensor signal lines 4.1 that transmitter is drawn.See Fig. 3 and Fig. 6, density metal bucket 4.3 tops add gland bonnet 4.4, prevent artificially cheek weight cheating in the topped hole.
See Fig. 2, Fig. 3, Fig. 5, casing 1 right side wall 1.3 has and advances to starch the location slot 1.32,1.33,1.34 that flow sensor 2, overfall flow sensor 3 and density sensor 4 these place's profiles match.And establish the cover plate flanging 1.12,1.14 that covers slot mouth and case lid or big case lid one in this corresponding position.See Fig. 2, the casing top is preceding hinge door 1.1a of X dress and back hinge door 1.1b longitudinally, and hinged joint is 1.8.See Fig. 5, preceding hinge door 1.1a has cover plate flanging 1.12, places vertically on the slot that advances slurry and overfall flow sensor 2,3 1.32,1.33 sides, covers two slot openings, and preceding hinge door 1.1a establishes the lock 1.9a that private key is opened.See Fig. 3, back hinge door 1.1b has cover plate flanging 1.14, places slot 1.34 sides at density sensor 4 vertically, covers slot 1.34 openings.Establish the lock 1.9b that private key is opened on the back hinge door 1.1b.
See Fig. 2, Fig. 3 and Fig. 6, the pressure unit 5.2 and the sensor signal extension line 5.1 of pressure transducer 5 upper ends all place in the casing, and oil pot with force 5.3 then places box bottom 1.4 downsides, is connected with the grouting pipeline 9.5 of external water placing flat.Pressure transducer is placed along the vertical Z of casing, and periphery can be fixed a plate plectane 5.4 in the vertical Z of pressure unit lower end, and with screw plectane 5.4 is fixed on the casing inner bottom plating 1.4, in order to abutment pressure sensor 5.Have on this place's base plate match with oil pot with force penetrate hole 1.41.
See Fig. 2; Casing 1 left side wall 1.2 has window 1a-1h; Make that each sensor interface 6a-6h is emerging in the casing on the outer left side of the casing 1 registering instrument 6 back plates; Being convenient to casing inner sensor signal wire 2.1,3.1,4.1,5.1 is connected in casing with registering instrument 6 each sensor interface 6a-6h. and see Fig. 4, plate 6.2 placed the interior nut 1.7 of casing to tighten up with wall box 1.2 usefulness after window 1a-1h located registering instrument all around.
See Fig. 8, the outside grouting pipeline 9 that present embodiment 1 adopts connects synoptic diagram, can be described as three parameter systemic circulation density and connects and return slurry grouting pipeline and connect synoptic diagram.See Fig. 6 simultaneously, the outer grouting pipeline 9.2,9.3,9.4,9.5 of casing 1 is respectively among Fig. 8 and advances to starch the pipeline that flow sensor 2, overfall flow sensor 3, density sensor 4 and pressure transducer 5 are connected.
The method for maintaining of the anti-cheating grouting of present embodiment 1 integral type register system comprises the steps:
1) if the maintenance flushing advances to starch flow sensor 2 and overfall flow sensor 3, will take apart with external pipe 9.2,9.3 flange connecting 2.4,3.4; 2) see Fig. 2, Fig. 5, hinge door 1.1a before opening; To advance on slurry, overfall flow sensor 2 and the 3 vertical Z to lift, from right side wall slot 1.32,1.33, vertically insert slot again after the taking-up flushing; 3) cover preceding hinge door 1.1a, hinge door flanging 1.12 is buckled in by the slot; Connect upper flange 2.4, hinge door 1.1a is locked with lock 1.9a.If clean density sensor 4, see Fig. 3, the outside enters and exits on the grouting pipeline 9.4 also has dismountable web member (like screw thread); When therefore cleaning,, only need transmitter 4.2 is taken out in right side wall slot 1.34 with top identical; Vertically insert slot 1.34 after the flushing again, connect exterior line again and get final product.In like manner, if cleaning pressure sensor 4 is seen Fig. 3; 5.3 of pressure unit 5.2 and oil pot with force also have dismountable web member (like screw thread); Therefore before cleaning, can take apart earlier, after the taking-up flushing; The plectane 5.4 usefulness screws of pressure unit 4.2 usefulness lower ends are fixed in base plate 1.4, again oil pot with force 5.3 are passed through hole from bottom to top and be connected fixing with pressure unit 5.2.
Embodiment 2: see Fig. 7
Embodiment 3: see Fig. 9, Figure 10
Embodiment 4: see Figure 11, Figure 12
Embodiment 5: see Figure 13, Figure 14
Embodiment 6: see Figure 15, Figure 16 and Figure 17
1) see Figure 15, at the fixing guard shield 12 of casing 1 external right side, and longitudinally the X two ends are adorned two private keys lock 12a, 12b both are locked together.In the guard shield just like lower member: advance to starch sensing part 3.3 and the ring flange 3.4 of sensing part 2.3 and ring flange 2.4, the overfall flow sensor of flow sensor, the middle hypomere (seeing Figure 16) of density sensor density metal bucket 4.3.2) see Figure 17; The guard shield cross section is an opening box-shaped 12; Opening surface is over against casing 1 right side wall 1.3 and cover plate flanging 1.12 outside surfaces; Open on the upper and lower plate of opening box-shaped along a pair of upper and lower opening groove 12.2,12.1 of horizontal Y, advance to starch flow sensor 2 upper and lower inlet and outlet pipings 9.2 and be stuck in the upper and lower opening groove.In like manner overfall flow sensor 3 upper and lower inlet and outlet pipings 9.3 also are stuck in the upper and lower opening groove that correspondence is opened on the opening box-shaped.Its in characteristic and embodiment 1 identical.
Embodiment 7: see Figure 18, Figure 19, Fig. 8
See Figure 18, the private key that has that a sealing is set is opened the integrated box 1B of gate 1.1B, whole parts that installing advances to starch flow sensor 2, overfall flow sensor 3, density sensor 4 and pressure transducer 5 in the integrated box.And in integrated box the pipeline mounting means can with the existing variety of way that allows.Adopting into like: present embodiment, slurry flow sensor 2, overfall flow sensor 3 and density sensor 4 are vertical installation.
See Figure 19, the inlet and outlet piping 9.2 that advances to starch flow sensor 2 for vertical Z to layout, pass the upper and lower plate hole 1B2 of integrated box and be connected with exterior line.The inlet and outlet piping 9.3 of overfall flow sensor 3 be vertical Z to layout, pass the upper and lower plate hole 1B3 of integrated box and be connected with exterior line.Density sensor 4 lower pipeline plate hole 1B4 under the integrated box passes, and the density sensor upper pipe is passed with exterior line from integrated box sidewall 1.3B upper aperture 1B4 and is connected.Pressure transducer 5 lower horizontal pipelines 9.5 plate hole 1B5 under the integrated box passes with exterior line and is connected.See Figure 18, see Figure 19, gate 1.1B is located at integrated box 1.1B X front side longitudinally.And establish private key lock 1B6 as gate lock.
See Figure 18, have the window 1.11,1.12,1.13 that exposes printer 7, registering instrument display screen 6A and keyboard 6B on integrated box upper plate 1B1 surface; And directly be connected on the registering instrument respective sensor interface 6a-6h after all sensors electrical signal line 2.1-5.1 connects up in casing in the integrated box.It is Fig. 8 that present embodiment 7 outside grouting pipelines 9 connect diagrammatic sketch, identical with embodiment 2.
Claims (10)
1. the anti-cheating grouting of integral type register system comprises that grouting pipeline (9) goes up that installing is measuring advances to starch flow sensor and pressure transducer or set up density sensor or/and the overfall flow sensor; Each sensor output terminal electrical signal line is connected with the grouting automatic recording instrument sensor interface, it is characterized in that: the integral structure of establishing following characteristic:
1) private key that has that a sealing is set is opened the casing of case lid (1), or the big casing (1A) of big case lid; Installing is advanced to starch flow sensor (2) and pressure transducer (5) or is set up density sensor (4) or/and overfall flow sensor (3) on casing or the big casing; The transmitter (4.2) of the density sensor that wherein has the pressure unit (5.2) that advances to starch flow sensor circuit part (2.2) and pressure transducer of electric signal output line or set up or/and the circuit part of overfall flow sensor (3.2) all be put in casing or the big casing; And the density metal bucket (4.3) of the oil pot with force (5.3) of corresponding sensing part of advancing to starch flow sensor (2.3) and pressure transducer or the density sensor set up and is connected with the outside pipeline (9) that is in the milk or/and stretch out outside casing or big casing the sensing part of overfall flow sensor (3.3); Wherein the density metal bucket of density sensor is placed vertically at casing or the big vertical Z in casing outer;
2) registering instrument (6) and printer (7) are placed on outside the casing (1) with following mode: all sensors interface (6a-6h) on the registering instrument shell all is exposed in the casing, is connected on the respective sensor interface in the casing after all sensors electrical signal line (2.1-5.1) connects up in casing in the casing;
3) registering instrument and printer are placed in the big casing (1A) with following mode: have the window that exposes printer, registering instrument display screen and keyboard on big Box Cover surface; And directly be connected on the registering instrument respective sensor interface after all sensors electrical signal line connects up in casing in the big casing.
2. by the said grouting register system of claim 1, it is characterized in that a gland bonnet (4.4) that rotates and can pin with hinged joint is set up at density metal bucket top in the density sensor.
3. by claim 1 or 2 said grouting register systems, it is characterized in that:
1) advance to starch flow sensor or the overfall flow sensor circuit part set up all is to be put in case bottom surface (1.4) in casing or big casing, corresponding outside slurries inlet and outlet piping (9.2,9.3) be along vertical Z placement; 2) casing or big casing right side wall (1.3) have with the overfall flow sensor that advances to starch flow sensor or set up or/and the slot that the density sensor profile matches (1.32,1.33,1.34), and establish in this corresponding position and to cover slot mouth and case lid or the cover plate flanging (1.12,1.14) of case lid one greatly; 3) pressure transducer is placed along casing or the vertical Z of big casing, and is fixed in base plate (1.4), have on the base plate match with oil pot with force penetrate hole (1.41); 4) casing 1 left side wall (1.2) has window (1a-1h), and each sensor interface of registering instrument (6a-6h) is emerging in the casing, and around the window behind the registering instrument plate (6.2) and wall box (1.2) with placing the interior nut (1.7) of casing to tighten up.
4. by the said grouting register system of claim 1; It is characterized in that case lid or big case lid adopt hinge door (1.1), and by forming along forward and backward two hinge doors of the vertical X dress of casing: preceding hinge door (1.1a) is that Gai Zaijin slurry flow sensor or the overfall flow sensor set up are or/and above the printer; Back hinge door (1.1b) is to cover at pressure transducer or the density sensor transmitter set up or/and above the registering instrument.
5. by claim 1 or 2 said grouting register systems, it is characterized in that:
1) at the fixing guard shield (12) of casing (1) external right side, and the dress lock locks together casing and guard shield; In the guard shield just like lower member: advance to starch sensing part (2.3) and the ring flange (2.4) of flow sensor or the sensing part (3.3) and the ring flange (3.4) of the overfall flow sensor set up; Or a section of the density sensor density metal bucket of setting up (4.3); The overfall flow sensor that advances to starch flow sensor or set up inlet and outlet piping (9.2,9.3) stretch to outside the guard shield through perforate on the guard shield outer wall, link to each other with external pipe.
6. by the said grouting register system of claim 5; It is characterized in that: perforate is employed in a pair of upper and lower opening groove of opening respectively on the upper and lower plate of guard shield along horizontal Y (12.2,12.1) on the said guard shield outer wall; Advancing to starch the upper and lower inlet and outlet piping of flow sensor (9.2) is stuck in the upper and lower opening groove; If have additional the overfall flow sensor, then be stuck on the upper and lower inlet and outlet piping (9.3) at the pair of openings groove of opening respectively again on the upper and lower plate along horizontal Y.
7. the anti-cheating grouting of integral type register system comprises that grouting pipeline (9) goes up that installing is measuring advances to starch flow sensor and pressure transducer or set up density sensor or/and the overfall flow sensor; Each sensor output terminal electrical signal line is connected with the grouting automatic recording instrument sensor interface, it is characterized in that: the integral structure of establishing following characteristic:
1) private key that has that a sealing is set is opened the integrated box at gate (1B), and installing is advanced to starch flow sensor and pressure transducer or set up density sensor or/and whole parts of overfall flow sensor in the integrated box; Wherein all pass in and out pipeline through the integrated box sidewall at non-gate or up and down the boxboard perforate draw, link to each other with exterior line;
2) registering instrument and printer are placed in the integrated box (1B) with following mode: have the window that exposes printer, registering instrument display screen and keyboard on integrated box top cover surface; And directly be connected on the registering instrument respective sensor interface after all sensors electrical signal line connects up in casing in the integrated box.
8. by the said grouting register system of claim 7, it is characterized in that a gland bonnet (4.4) that rotates and can pin with hinged joint is set up at density metal bucket top in the density sensor.
9. by claim 7 or 8 said grouting register systems, it is characterized in that:
In integrated box (1B), advance to starch flow sensor and pressure transducer or set up density sensor or/and the mounting means of relative this sensor turnover slurries pipeline of overfall flow sensor keeps grouting pipeline mounting means in the existing grouting register system fully.
10. by the said grouting register system of claim 6, it is characterized in that gate (1.1B) is located at the integrated box front side wall, and establish private key lock (1B6) and pin; Each sensor turnover slurries pipelines (9.2,9.3,9.4,9.5) adopt flexible pipe pass the integrated box sidewall at non-gate or up and down the boxboard perforation draw, link to each other with the integrated box exterior line.
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| CN201210014150.9A CN102538852B (en) | 2012-01-17 | 2012-01-17 | Integrated anti-cheating grouting recording system |
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| CN201210014150.9A CN102538852B (en) | 2012-01-17 | 2012-01-17 | Integrated anti-cheating grouting recording system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119689A (en) * | 2017-06-20 | 2017-09-01 | 成都中大华瑞科技有限公司 | Be in the milk automatic sewage discharging device |
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