CN203759259U - Pass type metal detection door testing device - Google Patents
Pass type metal detection door testing device Download PDFInfo
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- CN203759259U CN203759259U CN201420120493.8U CN201420120493U CN203759259U CN 203759259 U CN203759259 U CN 203759259U CN 201420120493 U CN201420120493 U CN 201420120493U CN 203759259 U CN203759259 U CN 203759259U
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Abstract
The utility model provides a pass type metal detection door testing device, comprising a cantilever mechanism, a test body transmission mechanism, a motion platform, a control display unit, a frame, and a housing. The test body transmission mechanism comprises an X-axis transmission assembly, a Y-axis transmission assembly, and a Z-axis transmission assembly. The Y-axis transmission assembly comprises a Y-axis guide rail. Under the joint effect of the X-axis transmission assembly, the Y-axis transmission assembly, and the Z-axis transmission assembly, the motion platform traverses through and slides along the Y-axis guide rail at a fixed speed. The testing device can enable the detection operation to be simple and visual, and enable the testing process to be automatic and intelligent.
Description
Technical field
The utility model relates to the field tests of Security Inspection Equipments, more specifically, relates to a kind of through type metal detection door proving installation.
Background technology
Through type metal detection door is widely used in the Physical Security Survey in the places such as airport, railway, prison, large-scale activity.Through type metal detection door, in the default uniform magnetic field of passage area, if carry metal with it through the personnel of passage, will be upset original Distribution of Magnetic Field, cause reporting to the police.The application of this kind equipment can effectively stop metal contraband goods to be carried and entered specific region by the person, is safing important means.
The detection performance of through type metal detection door has directly determined the metal contraband goods recall rate that the person carries.Test for detection performance, the domestic method of stipulating in national standard < < GB15210-2003 through type metal detection door general technical specifications > > that generally adopts, be that standard testing people carries multiple tester at personal diverse location, with friction speed walking, through through type metal detection door, estimate and record to walk each time in process and whether report to the police.This method has the problem of following several respects in reality test:
1, in GB, to standard testing people's definition, be " height 1.55～1.85m, body weight 50kg～90kg, do not carry in any metal or conducting objects, body also the people without any metal insert ".Because the day for human beings in current wear a pair of spectacles, dress baking-ceramic tooth, implanted metal support and joint is cumulative many, make standard testing people's range of choice more and more narrow.And, because standard testing people is wide in range to the claimed range of height and body weight, in actual test, find that the standard testing people of the different bodily forms has minimal effect to through type metal detection door internal magnetic field when walking, and then may cause test result inaccurate.
2, the passage rate scope of stipulating in GB should be not less than 0.4m/s～1.8m/s, and actual test Plays test person is difficult to keep specific passage rate.
3,12 positions of test in GB, have been stipulated to need in through type metal detection door detection plane, the positioning error of each position is required in 50mm, the bodily form of actual test Plays test person is different with gait, and the positional precision of tester is carried in very difficult assurance.
4, according to the test event of GB regulation, whole test jobs of separate unit through type metal detection door are at least needed standard testing people to turn back to advance 3 kilometers of above distances, also need during this time several staff to continue speed, tester position, the warning message of examination criteria test person, this manual testing's method length consuming time, workload are large, accuracy and repeatability poor.
Given this, in GB, indicate especially " encouraging product to use simulation test process more accurately, more detailed detection position and efficient applicable testing apparatus ".The purpose of this utility model is to design a set of accurate positioning, speed through type metal detection door testing apparatus adjustable, easy to use.
Utility model content:
A through type metal detection door proving installation, comprises cantilever mechanism, test body gear train, motion platform, controls display unit, framework, shell, test body gear train comprises X-axis transmission component, Y-axis transmission component, Z-axis transmission assembly, Y-axis transmission component has Y-axis guide rail, and motion platform is at X-axis transmission component, Y-axis transmission component, under the acting in conjunction of Z-axis transmission assembly, locate, and constant speed is walked slip on Y-axis guide rail; Test body is arranged on motion platform;
Cantilever mechanism comprises cantilever lever and flexible chain, and cantilever lever is the steel pipe of a good rigidly, and the far-end of Y-axis guide rail is connected with flexible chain, and pulls maintenance level by flexible chain.
Aforesaid through type metal detection door proving installation, cantilever mechanism also comprises cantilever lever holder, cantilever bearings, threeway holder, taut wire; One end of cantilever lever is fixed on cantilever lever holder by threeway holder, and the other end is tightened up steel wire and holds, to keep the horizontality of cantilever lever; Within cantilever bearings is located at cantilever lever holder, when proving installation is worked, Y-axis guide rail will produce the movement of X-direction, drives flexible chain, cantilever lever, cantilever lever holder to produce Small-angle Rotation, and cantilever bearings is used for adapting to this rotation.
Aforesaid through type metal detection door proving installation, framework comprises top board, base plate, four upright supports are between top board and base plate, and four pulleys are positioned under base plate, and support column is located between top board and base plate, for strengthening the stability of top board and base plate.
Aforesaid through type metal detection door proving installation, cantilever mechanism also comprises cantilever balance weight assembly; Cantilever lever is the hollow steel tube of a good rigidly, and it installs respectively cantilever pulley at both sides end points, and cantilever pulley is for transmission flexible chain; Flexible chain one end connecting cantilever balance weight assembly, the other end is held Y-axis guide rail, makes it keep horizontality; Cantilever balance weight assembly is enclosed within on support column with annulus, slidably fits on support column, in order to prevent that in motion, cantilever balance weight assembly rocks in framework.
Aforesaid through type metal detection door proving installation, controls display unit and comprises master controller, master controller housing, the master controller seat with display screen; Wherein master controller is packaged in and is with among handled master controller housing; Master controller housing hangs on master controller seat by handle, and master controller seat is the wedge shape deck with certain angle, is located at the side of shell; Master controller is a panel computer, has WIFI module, network interface, touch-control circuit, data calibration module.
Aforesaid through type metal detection door proving installation, wherein X-axis transmission component comprises X-axis motion backboard, two X-axis guide rails, X-axis screw mandrel, X-axis motor; Y-axis transmission component comprises Y-axis motion backboard, Y-axis guide rail, Timing Belt, driving pulley, y-axis motor, driven pulley; Z-axis transmission assembly comprises two Z axis guide rails, Z axis screw mandrel, Z axis motor; Z axis screw mandrel drives X-axis motion backboard vertical direction on Z axis guide rail to slide, and Z axis guide rail is arranged between top board and base plate; X-axis screw mandrel drives Y-axis motion backboard horizontal X direction of principal axis on X-axis guide rail to slide; Y-axis motor drives driving pulley to rotate, and the two ends of Timing Belt are enclosed within respectively on driving pulley and driven pulley, along with the rotation of driving pulley, move; Square hole is arranged at motion platform top, is inserted on Y-axis guide rail, and bottom clamps the fixation side of Timing Belt, along with Timing Belt along continuous straight runs on Y-axis guide rail slides.
Aforesaid through type metal detection door proving installation, X-axis motion backboard arranges guide rail housing outward, and to protect X-axis guide rail, guide rail housing moving surface is connected in Y-axis motion backboard both sides by organ cover, to prevent that dust from entering X-axis guide rail.
Aforesaid through type metal detection door proving installation, shell is arranged on framework, encapsulates whole Z-axis transmission assembly, and its side arranges master controller seat, and back arranges handle, facilitates whole proving installation transportation.
The processing and manufacturing of proving installation in the utility model completes and brings into use, in practice, can greatly improve accuracy and the work efficiency of the test of through type metal detection door detection performance, detect easy and simple to handle, directly perceived, test process automation, intellectuality, shortened to 2.5 hour by 6 hours the averaging time that completes single device test, testing staff has reduced 3, and effectively reduces tester's labour intensity.
Accompanying drawing explanation:
Fig. 1 is the external structure schematic diagram of through type metal detection door proving installation of the present invention;
Fig. 2 is the inner structure schematic diagram of through type metal detection door proving installation of the present invention;
Fig. 3 is proving installation motion platform structural representation of the present invention.
Embodiment:
Below with reference to the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the structure of through type metal detection door proving installation of the present utility model mainly comprises: cantilever mechanism 1, and test body gear train 2, motion platform 3, controls display unit 4, framework 5, shell 6.
As shown in Figure 2, cantilever mechanism 1 comprises cantilever lever 11, cantilever lever holder 12, cantilever bearings 13, flexible chain 14,15, two cantilever pulleys of cantilever balance weight assembly 161,162, threeway holder 17, taut wire 18.Cantilever mechanism 1 is positioned at the top of whole proving installation, for keeping being provided with Y-axis guide rail 222 levelnesss of motion platform 3.Cantilever lever 11 is the hollow steel tube of a good rigidly, and it installs respectively cantilever pulley 161 and 162 at both sides end points, and cantilever pulley is for transmission flexible chain 14; One end of cantilever lever 11 is fixed on cantilever lever holder 12 by threeway holder 17, and the other end is tightened up steel wire 18 and holds, to keep the horizontality of cantilever lever 11; Flexible chain 14 is through cantilever lever 11 hollow bulbs; Flexible chain 14 one end are through cantilever lever holder 12 connecting cantilever balance weight assemblies 15, and the other end is held Y-axis guide rail 222, make it keep horizontality; Within cantilever bearings 13 is located at cantilever lever holder 12, when proving installation is worked, Y-axis guide rail 222 will produce the movement of X-direction, drive flexible chain 14, cantilever lever 11, cantilever lever holder 12 to produce Small-angle Rotation, cantilever bearings 13 is for adapting to this rotation.
Framework 5 comprises top board 51, and 52, four columns 53 of base plate are supported between top board 51 and base plate 52, and four pulleys 54 are positioned at base plate 52 times, and support column 55 is located between top board 51 and base plate 52, for strengthening the stability of top board 51 and base plate 52.
Cantilever lever holder 12 is fixed on top board 51, when Y-axis motion backboard 221 slides on X-axis guide rail 212/213, Y-axis guide rail 222 also moves under the drive of Y-axis motion backboard 221 on horizontal X direction of principal axis, due to flexible chain 14, pull the far-end 222a of Y-axis guide rail 222 simultaneously, cantilever lever 11, threeway holder 17 also, under the effect of cantilever bearings 13, rotate around the approximate non-resistance of cantilever lever holder 12.Again because the rigidity of Y-axis guide rail is better, and its length is much larger than X-axis guide rail, and motion platform 3 is similar to Y-axis motion backboard 221 at the coordinate of X-axis at the coordinate of X-axis, and its positioning error is proofreaied and correct by the data calibration module 41c of master controller 41.
Cantilever balance weight assembly 15 is enclosed within on support column 55 with annulus, slidably fits on support column 55, in order to prevent that in motion, cantilever balance weight assembly 15 rocks in framework 5.
Test body gear train 2 comprises X-axis transmission component 21, Y-axis transmission component 22, Z-axis transmission assembly 23.Wherein X-axis transmission component 21 comprises X-axis motion backboard 211, two X-axis guide rails 212,213, X-axis screw mandrel 214, X-axis motor 215, X-axis the first stop 216, X-axis the second stop 217, X-axis shaft coupling 218; Y-axis transmission component 22 comprises Y-axis motion backboard 221, Y-axis guide rail 222, Timing Belt 223, driving pulley 224, Y-axis limited block 225, y-axis motor 226, Y-axis shaft coupling 227, driven pulley 228; Z-axis transmission assembly 23 comprises two Z axis guide rails 231 and 232, Z axis screw mandrel 233, Z axis motor 234, Z axis the first stop 235, Z axis the second stop 236, Z axis shaft coupling 237.
Z axis motor 234 drives Z axis shaft coupling 237, thereby drives Z axis screw mandrel 233 to rotate, and Z axis shaft coupling 237 is arranged on top board 51; Z axis screw mandrel 233 drives X-axis motion backboard 211 vertical direction on Z axis guide rail 231/232 to slide, and Z axis guide rail 231/232 is arranged between top board 51 and base plate 52; Z axis the first stop 235 and Z axis the second line 236 are all located on column 53 for it, Z axis the first stop 235 is located at top board 51 downsides, Z axis the second stop 236 is located at base plate 52 upsides, plays the effect spacing to X-axis motion backboard 211, prevents that backboard from skidding off guide rail.
X-axis motor 215 drives X-axis shaft coupling 218, thereby drives X-axis screw mandrel 214 to rotate, and X-axis shaft coupling 218 is located at X-axis screw mandrel 214 one end; X-axis screw mandrel 214 drives Y-axis motion backboard 221 horizontal X direction of principal axis on X-axis guide rail 212/213 to slide; X-axis the first stop 216, X-axis the second stop 217 are arranged at X-axis guide rail 212 both sides, play the effect spacing to Y-axis motion backboard 221, to prevent that backboard from skidding off guide rail.
As shown in Figure 1, the outer guide rail housing 219 that arranges of X-axis motion backboard 211, to protect X-axis guide rail 212/213, guide rail housing 219 moving surfaces are connected in Y-axis motion backboard 221 both sides by organ cover, to prevent that dust from entering X-axis guide rail 212/213.
As shown in Figure 2, y-axis motor 226 drives Y-axis shaft coupling 227, drives driving pulley 224 to rotate, and Y-axis shaft coupling 227 is vertical on Y-axis motion backboard; The two ends of Timing Belt 223 are enclosed within respectively on driving pulley 224 and driven pulley 228, along with the rotation of driving pulley 224, move; Motion platform 3 has square hole, is inserted on Y-axis guide rail 222, and bottom clamps the fixation side of Timing Belt 223, along with Timing Belt 223 horizontal Y direction on Y-axis guide rail 222 is slided; Y-axis guide rail 222 is a high-intensity carbon fibre material square tube track; Y-axis limited block 225 is located at the far-end 222a of Y axis rail 222, plays the position-limiting action to motion platform 3, to prevent that it from skidding off guide rail; Meanwhile, the far-end 222a of Y-axis guide rail 222 is connected with flexible chain 14, and pulls maintenance level by flexible chain 14.
Y-axis guide rail 222 length within the scope of 1-5 rice, preferably 3 meters; The length of X-axis guide rail 212/213 and Z axis guide rail 231/232 is slightly larger than respectively width and the height of this area common metal detection door; The preferred 0.7-1.5 of X-axis rail length; The preferred 1.9m-2.3m of Z axis rail length, more preferably 2m.
As shown in Figure 1, the master controller 41 (not marking in figure) of controlling display unit 4 sends position control signal to Z axis motor 234 and X-axis motor 215, make Z axis motor 234 drive X-axis motion backboard 211 vertical direction on Z axis guide rail 231/232 to slide, thereby realize to motion platform 3 location in Z-direction, X-axis motor 215 drives Y-axis motion backboard 221 horizontal direction on X-axis guide rail 212/213 to slide, thereby realizes to motion platform 3 location in X-direction; 41 pairs of y-axis motors 226 of master controller send speed and position control signal, and y-axis motor 226 actuation movement platforms 3 slide into assigned address with command speed on Y-axis guide rail 222, thereby realize motion platform 3, in the constant speed of Y direction, walk motion.
Control display unit 4 and comprise master controller 41, master controller housing 42, the master controller seat 43 with display screen.Wherein master controller 41 is packaged among the master controller housing 42 with jug 42a, to facilitate test man to control; Master controller housing 42 also can hang on master controller seat 43 by handle 42a, and master controller seat 43, for having the wedge shape deck of certain angle, is located at the side of shell 6, thereby be convenient to test man, checks.Master controller 41 is a panel computer, has WIFI module 41a, network interface 41b, can realize the real-time, interactive that detects data and computer; There is data-interface 41d, the warning intensity and the alert locations signal that for receiving through type metal detection door, provide; There is touch-control circuit 41e, facilitate test man to send test instruction and logging test results; There is data calibration module 41c, for calibrating error of coordinate.
As shown in Figure 3, motion platform 3 is made of plastics, and comprises upper casing 31, lower casing 32, guide rail holder 33, Timing Belt clamping piece 34.
Timing Belt clamping piece 34 tops have two T-shaped trips 341, for snapping in guide rail holder 33; Timing Belt clamping piece 34 middle parts have synchronous trough of belt 342, and the free side of Timing Belt 223 is arranged in synchronous trough of belt 342, and the setting party of synchronous trough of belt 342 is to perpendicular to T-shaped trip 341; The side upper level of Timing Belt clamping piece 34 is installed two the first plastic bearings 344, guarantees that the free side of Timing Belt 223 is rolling friction with synchronizeing between trough of belt 342, reduces frictional resistance; The side lower vertical of Timing Belt clamping piece 34 is installed two the second plastic bearings 343, and the rolling surface of plastic bearing 343 is from the free side lower end of below support Timing Belt 223, thereby reduces frictional resistance in support Timing Belt.
Timing Belt is the belt of external side light face inside flank, and Timing Belt clamping piece 34 is provided with an engaging tooth group 345 towards a side of guide rail holder 33, and engaging tooth group 345 clamps Timing Belt fixation side jointly with the clamping prominent 331 on guide rail holder 33.Wherein, the flank of tooth phase interlock of engaging tooth group 345 and Timing Belt, clamping simultaneously prominent 331 is also fixed by nylon bolt with Timing Belt, thereby guarantees fixing of whole motion platform and Timing Belt.
Guide rail holder 33 main bodys are one to have the cube of square hole, its one side in the face of Timing Belt clamping piece 34 has the T-shaped draw-in groove of clamping prominent 331 and accommodating T-shaped trip 341, square hole is used for being inserted in Y-axis guide rail 222, the surrounding of guide rail holder square hole all arranges some the 3rd plastic bearings 332, for reducing the friction between guide rail holder and Y-axis guide rail.Wherein, the 3rd plastic bearing 332 outside parcel rubber cases, for reducing the wearing and tearing of the Y-axis guide rail that carbon fiber is manufactured, and can reduce the noise while moving.
During use, first the free side of Timing Belt is located in synchronous trough of belt 342, Y-axis guide rail inserts square hole, and the T-shaped trip 341 of Timing Belt clamping piece 34 inserts the T-shaped draw-in groove of guide rail holder 33, and the engaging tooth group 345 of the clamping prominent 331 of guide rail holder 33 and Timing Belt clamping piece is Timing Belt fixedly; Then, use nylon bolt that fixedly upper casing and lower casing are installed; Finally test body is installed on to motion platform outside surface.
As shown in Figure 1, shell 6 is arranged on framework 5, encapsulates whole Z-axis transmission assembly 23, and its side arranges master controller seat 43, and back arranges handle, facilitates whole proving installation transportation.
When carrying out the test of through type metal detection door, according to the requirement of national standard < < GB15210-2003 through type metal detection door general technical specifications > >, method of testing is as follows:
A, makes proving installation face through type metal detection door 1m, and cantilever lever 11 is positioned at through type metal detection door external upper, and Y-axis guide rail 222 is through through type metal detection door inner passage;
B, by four angle points of master controller 41 through type metal detection door inner passages, location, determines test zone;
C, according to the test point status requirement in above-mentioned GB, each test point of positioned in sequence, is arranged on corresponding test body on motion platform, and actuation movement platform passes through type metal detection door with command speed;
D, through type metal detection door alerting signal is imported data-interface 41d into by data line, the automatic record test data of master controller 41;
E, according to the order of each test point, performs step C, D successively; Master controller 41 forms test result forms, and test data and form can be synchronizeed with computer and carried out next step printing and analytical work.
Description is above only for realizing embodiment of the present utility model; it should be appreciated by those skilled in the art; in any modification or partial replacement that does not depart from scope of the present utility model; all should belong to the scope that claim of the present utility model limits; therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (8)
1. a through type metal detection door proving installation, comprises cantilever mechanism (1), test body gear train (2), and motion platform (3), controls display unit (4), framework (5), shell (6), is characterized in that:
Test body gear train (2) comprises X-axis transmission component (21), Y-axis transmission component (22), Z-axis transmission assembly (23), Y-axis transmission component (22) has Y-axis guide rail (222), motion platform (3) is in X-axis transmission component (21), Y-axis transmission component (22), locates under the acting in conjunction of Z-axis transmission assembly (23), and walks slip in the upper constant speed of Y-axis guide rail (222); Test body is arranged on motion platform (3);
Cantilever mechanism (1) comprises cantilever lever (11) and flexible chain (14), cantilever lever (11) is the steel pipe of a good rigidly, the far-end of Y-axis guide rail (222) is connected with flexible chain (14), and pulls maintenance level by flexible chain (14).
2. a through type metal detection door proving installation according to claim 1, it is characterized in that: cantilever mechanism (1) also comprises cantilever lever holder (12), cantilever bearings (13), threeway holder (17), taut wire (18); It is upper that cantilever lever holder (12) is fixed on by threeway holder (17) in one end of cantilever lever (11), and the other end is tightened up steel wire (18) and holds, to keep the horizontality of cantilever lever (11); Within cantilever bearings (13) is located at cantilever lever holder (12), when proving installation is worked, Y-axis guide rail (222) will produce the movement of X-direction, drive flexible chain (14), cantilever lever (11), cantilever lever holder (12) to produce Small-angle Rotation, cantilever bearings (13) is for adapting to this rotation.
3. a through type metal detection door proving installation according to claim 1, it is characterized in that: framework (5) comprises top board (51), base plate (52), four columns (53) are supported between top board (51) and base plate (52), four pulleys (54) are positioned under base plate (52), support column (55) is located between top board (51) and base plate (52), for strengthening the stability of top board (51) and base plate (52).
4. a through type metal detection door proving installation according to claim 3, is characterized in that: cantilever mechanism (1) also comprises cantilever balance weight assembly (15);
Cantilever lever (11) is the hollow steel tube of a good rigidly, and it installs respectively cantilever pulley (161,162) at both sides end points, and cantilever pulley is for transmission flexible chain (14); Flexible chain (14) one end connecting cantilever balance weight assembly (15), the other end is held Y-axis guide rail (222), makes it keep horizontality; It is upper that cantilever balance weight assembly (15) is enclosed within support column (55) with annulus, slidably fits in support column (55) upper, in order to prevent that in motion, cantilever balance weight assembly (15) rocks in framework (5).
5. a through type metal detection door proving installation according to claim 1, is characterized in that: control display unit (4) and comprise master controller (41), master controller housing (42), the master controller seat (43) with display screen; Wherein master controller (41) is packaged among the master controller housing (42) of band jug (42a);
It is upper that master controller housing (42) hangs on master controller seat (43) by handle (42a), and master controller seat (43), for having the wedge shape deck of certain angle, is located at the side of shell (6);
Master controller (41) is a panel computer, has WIFI module (41a), network interface (41b), touch-control circuit (41e), data calibration module (41c).
6. a through type metal detection door proving installation according to claim 1, is characterized in that:
Wherein X-axis transmission component (21) comprises X-axis motion backboard (211), two X-axis guide rails (212,213), X-axis screw mandrel (214), X-axis motor (215); Y-axis transmission component (22) comprises Y-axis motion backboard (221), Y-axis guide rail (222), Timing Belt (223), driving pulley (224), y-axis motor (226), driven pulley (228); Z-axis transmission assembly (23) comprises two Z axis guide rails (231 and 232), Z axis screw mandrel (233), Z axis motor (234);
Z axis screw mandrel (233) drives X-axis motion backboard (211) to slide in the upper vertical direction of Z axis guide rail (231/232), and Z axis guide rail (231/232) is arranged between top board (51) and base plate (52); X-axis screw mandrel (214) drives Y-axis motion backboard (221) to slide at the upper horizontal X direction of principal axis of X-axis guide rail (212/213);
Y-axis motor (226) drives driving pulley (224) to rotate, and the two ends of Timing Belt (223) are enclosed within respectively driving pulley (224) and driven pulley (228) is upper, along with the rotation of driving pulley (224), move; Square hole is arranged at motion platform (3) top, is inserted in Y-axis guide rail (222) upper, and bottom clamps a side of Timing Belt (223), along with Timing Belt (223) slides at the upper along continuous straight runs of Y-axis guide rail (222).
7. a through type metal detection door proving installation according to claim 6, is characterized in that:
The outer guide rail housing (219) that arranges of X-axis motion backboard (211); with protection X-axis guide rail (212/213); guide rail housing (219) moving surface is connected in Y-axis motion backboard (221) both sides by organ cover, to prevent that dust from entering X-axis guide rail (212/213).
8. a through type metal detection door proving installation according to claim 1, it is characterized in that: shell (6) is arranged on framework (5), encapsulate whole Z-axis transmission assembly (23), its side arranges master controller seat (43), back arranges handle, facilitates whole proving installation transportation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420120493.8U CN203759259U (en) | 2014-03-17 | 2014-03-17 | Pass type metal detection door testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420120493.8U CN203759259U (en) | 2014-03-17 | 2014-03-17 | Pass type metal detection door testing device |
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| CN203759259U true CN203759259U (en) | 2014-08-06 |
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| CN201420120493.8U Expired - Fee Related CN203759259U (en) | 2014-03-17 | 2014-03-17 | Pass type metal detection door testing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885086A (en) * | 2014-03-17 | 2014-06-25 | 中国民航科学技术研究院 | Pass-type metal detection door test device |
| CN113176616A (en) * | 2021-04-19 | 2021-07-27 | 吉林建筑大学 | Underground pipeline detection device for building construction and detection method thereof |
-
2014
- 2014-03-17 CN CN201420120493.8U patent/CN203759259U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885086A (en) * | 2014-03-17 | 2014-06-25 | 中国民航科学技术研究院 | Pass-type metal detection door test device |
| CN103885086B (en) * | 2014-03-17 | 2016-08-24 | 中国民航科学技术研究院 | A kind of by formula metal detection gate test device |
| CN113176616A (en) * | 2021-04-19 | 2021-07-27 | 吉林建筑大学 | Underground pipeline detection device for building construction and detection method thereof |
| CN113176616B (en) * | 2021-04-19 | 2023-11-28 | 吉林建筑大学 | Underground pipeline detection device for building construction and detection method thereof |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20170317 |