CN209148295U - One kind being used for automobile longitudinal girder detection device - Google Patents
One kind being used for automobile longitudinal girder detection device Download PDFInfo
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- CN209148295U CN209148295U CN201821682628.4U CN201821682628U CN209148295U CN 209148295 U CN209148295 U CN 209148295U CN 201821682628 U CN201821682628 U CN 201821682628U CN 209148295 U CN209148295 U CN 209148295U
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- Prior art keywords
- dust
- pedestal
- longitudinal girder
- seat
- automobile longitudinal
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Abstract
The utility model provides a kind of for automobile longitudinal girder detection device, including riffled tube, external thread rod, elasticity bolt slides stringer hole detection sensor structure, pedestal, venthole conveys stringer pivot structure, fixing seat, data display screen, host, three-way switch, dust collection hollow holder structure, dust storage tank, magnet and control cabinet.The setting of the utility model delivery wheel, shaft, driven gear, driving gear and feeder motor is conducive to automobile longitudinal girder and quickly conveys when checking, improves efficiency；Hollow dust suction seat, air suction opening, sweep-up pipe, the setting of dust suction sucking pump and dust outlet tube are conducive to siphon away the rubbish such as dust and iron filings during detecting automobile longitudinal girder；The setting of sensor hanging plate, sliding rail, sliding shoe and infrared sensor is conducive to quickly detect automobile longitudinal girder, working efficiency can be improved.
Description
Technical field
The utility model belongs to detection device technology field, more particularly to a kind of for automobile longitudinal girder detection device.
Background technique
The hole for needing to process on longitudinal beam of automobile frame is a up to more than 200.In process, often will appear due to punching
The reasons such as head, broken drill or processing omission cause the incomplete mass defect of hole machined.Vehicle frame with above-mentioned mass defect
Stringer enters in production assembling process, will seriously affect the normal production order, upsets the beat of production procedure, and can give enterprise
Cause very huge economic loss.
Since the position in hole on longitudinal beam of automobile frame does not have the obvious regularity of distribution, the photoelectric sensing that the country generallys use at present
The method of the detection target hole number such as device or magnetic switch is not particularly suited for the quantity detection in hole on longitudinal beam.Therefore, domestic
Artificial detection method is mainly used to the quantity detection in hole on longitudinal beam of automobile frame at present, this method is difficult to detect in time and portal
Processing quantity defect problem.
It is domestic to have three-dimensional coordinates measurement machine examination to the position dimension detection for the aperture size and hole processed on longitudinal beam at present
It surveys and two kinds of modes of artificial detection.It is limited by productive temp, above-mentioned two kinds of detection methods are suitable only for stringer sampling check, not
It is able to satisfy the online detection requirements of bulk article on production line.
China Patent Publication No. is CN202516880U, and invention and created name is that a kind of automobile longitudinal girder detection device includes phase
Machine support frame, light source support frame, photoelectric sensor support frame, clump weight and damper unit are constituted, it is characterised in that: camera support
Frame is fixed on crossbeam；CCD camera is mounted on camera tripod, and linear light source is mounted on light source support frame, light source support
Frame, which is fixed on the base, to be adjusted up and down, and photoelectric sensor support frame is fixed on the load-bearing between camera tripod and linear light source
On bracket, linear light source can adjust left and right on light source support frame, and two clump weights are placed on the front end of shelf, in shelf
Bottom four is equipped with 4 dampers on angle.But there is also automobile longitudinal girder conveying is tired for existing automobile longitudinal girder detection device
Difficulty, the automobile longitudinal girder problem low per se with dust and iron filings and detection efficiency.
Therefore, one kind is invented to be very necessary for automobile longitudinal girder detection device.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of for automobile longitudinal girder detection device, existing to solve
Some automobile longitudinal girder detection device automobile longitudinal girder difficulty of transportation, automobile longitudinal girder are low per se with dust and iron filings and detection efficiency
The problem of.One kind being used for automobile longitudinal girder detection device, including riffled tube, external thread rod, elasticity bolt, sliding longitudinal hole detection
Sensor structure, pedestal, venthole convey stringer pivot structure, fixing seat, data display screen, host, three-way switch, dust suction
Hollow holder structure, dust storage tank, magnet and control cabinet, the riffled tube interior lower end are threadedly coupled the upper end of external thread rod；
The elasticity bolt extends through the outer lower portion of riffled tube and is threaded in the top of external thread rod；The sliding
The lower outside of stringer hole detection sensor structure is connected to the upper end of riffled tube；The external thread rod lower inside is longitudinal
It is bolted to the left and right sides of pedestal respectively；The venthole is provided with the inner right side middle position of pedestal；Described
Conveying stringer pivot structure bottom is connected to position at left and right sides of the top of pedestal in turn from front to back；The fixing seat upper end
It is bolted to base bottom corner location respectively；The data display screen is mounted on the inside left of control cabinet；Described
The inner right side middle position of host installation control cabinet；The three-way switch is mounted on the inside right end of control cabinet；Described
The lower surface on dust collection hollow holder structure top is connected to the upper middle position of pedestal；The dust collection hollow holder structure top is passed through
It is pierced by stomata；The dust collection hollow holder structure right end is connected to the left lower of dust storage tank；Pass through on the right side of the dust storage tank
Magnet is adsorbed on the left side of the fixing seat of upper right corner setting；The control cabinet upper bolt is connected to the lower part interposition of pedestal
It sets；The dust collection hollow holder structure includes hollow dust suction seat, air suction opening, sweep-up pipe, dust suction sucking pump, dust outlet tube and sucking pump bottom
Seat, the air suction opening are from left to right successively provided with the top of hollow dust suction seat；The sweep-up pipe threaded upper ends are connected to
Hollow dust suction seat bottom right；The upper end air entry of the sweep-up pipe lower end flanged joint dust suction sucking pump；The dust suction is inhaled
Pump lower end of the bolt is connected to the upper middle position of sucking pump pedestal；The dust outlet tube left end flanged joint is on the right side of dust suction sucking pump
Side gas outlet.
Preferably, the data display screen specifically uses LCD1602 liquid-crystal data display screen.
Preferably, the host specifically uses the single-chip microcontroller of model STC89C51RC.
Preferably, the dust outlet tube and dust storage tank are threadedly coupled setting.
Preferably, the data display screen, host and dust suction sucking pump are electrically connected with three-way switch respectively to be arranged；It is described
Data display screen and host be electrically connected setting.
Preferably, the dust suction sucking pump specifically uses the sucking pump of FK-B55.
Preferably, the junction of the hollow dust suction seat and sweep-up pipe is provided with sealing rubber ring.
Preferably, the venthole and sweep-up pipe are threadedly coupled setting.
Preferably, the hollow dust suction seat connects setting with bolt of lower base
Preferably, the conveying stringer pivot structure includes delivery wheel, shaft, driven gear, driving gear, conveying electricity
Machine and U-shaped wheel seat and delivery wheel pedestal, the delivery wheel are connected to U-shaped wheel seat upper inside position by shaft；Described
Shaft inner end is keyed in the inside middle position of driven gear；The driven gear and driving gear is engaged；It is described
Driving gear key be connected on the output shaft of feeder motor；The feeder motor lower bolt is connected to delivery wheel pedestal
Upper outside；The U-shaped wheel seat lower bolt is connected to the upper inner of delivery wheel pedestal.
Preferably, bearing connection setting between the shaft and U-shaped wheel seat；The linkage of the shaft and delivery wheel connects
Connect setting.
Preferably, the feeder motor uses model Y2 motor.
Preferably, the feeder motor and three-way switch are electrically connected setting.
Preferably, the delivery wheel pedestal connects setting with bolt of lower base.
Preferably, the sliding stringer hole detection sensor structure includes sensor hanging plate, sliding rail, and sliding shoe is infrared
Line sensor, protective cover and fixing bolt, the sliding rail upper bolt are connected to the lower left side of sensor hanging plate；Described
Sliding shoe activity is connected to the inner lower left position of sliding rail；The fixing bolt is through sensor hanging plate front and screw thread
It is connected to the front medial location of sliding shoe；The infrared sensor upper end is bolted to sliding shoe
Bottom middle position；The protective cover top is glued to the bottom of sliding shoe.
Preferably, there are two the sliding stringer hole detection sensor structure settings；The sliding longitudinal hole detection
Sensor structure is oppositely arranged.
Preferably, the protective cover specifically uses domed transparent plastic cover, and the protective cover cover connects in infrared ray
The outside of sensor.
Preferably, the sensor hanging plate and riffled tube are bolted setting.
Preferably, the infrared ray sensing implement body uses model E3F-DS30C4 sensor.
Preferably, the infrared sensor and host are electrically connected setting.
Compared with prior art, the utility model has the following beneficial effects:
1. in the utility model, the delivery wheel, shaft, driven gear, the setting of driving gear and feeder motor has
It quickly conveys, improves efficiency when checking conducive to automobile longitudinal girder.
2. in the utility model, the hollow dust suction seat, air suction opening, sweep-up pipe, the setting of dust suction sucking pump and dust outlet tube,
Be conducive to siphon away the rubbish such as dust and iron filings during detecting automobile longitudinal girder.
3. in the utility model, the sensor hanging plate, sliding rail, the setting of sliding shoe and infrared sensor, favorably
In quickly detection automobile longitudinal girder, working efficiency can be improved.
4. in the utility model, the setting of the protective cover, be beneficial to prevent infrared sensor by dust pollution or
Person is by sharppointed article scratching.
5. in the utility model, the setting of the magnet is conducive to conveniently take out dust storage tank cleaning rubbish.
6. in the utility model, the setting of the riffled tube and external thread rod is conducive to adjust infrared sensor
Height.
7. in the utility model, the setting of the fixing seat is conducive to the stability for reinforcing whole device.
8. in the utility model, the host specifically uses the single-chip microcontroller of model STC89C51RC, be conducive to cooperate
Infrared sensor improves the accuracy of detection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the dust collection hollow holder structure of the utility model.
Fig. 3 is the structural schematic diagram of the conveying stringer pivot structure of the utility model.
Fig. 4 is the structural schematic diagram of the sliding stringer hole detection sensor structure of the utility model.
In figure:
1, riffled tube；2, external thread rod；3, elasticity bolt；4, stringer hole detection sensor structure is slided；41, sensor
Hanging plate；42, sliding rail；43, sliding shoe；44, infrared sensor；45, protective cover；46, fixing bolt；5, pedestal；6, venthole；
7, stringer pivot structure is conveyed；71, delivery wheel；72, shaft；73, driven gear；74, driving gear；75, feeder motor；76,U
Type wheel seat；77, delivery wheel pedestal；8, fixing seat；9, data display screen；10, host；11, three-way switch；12, dust collection hollow seat
Structure；121, hollow dust suction seat；122, air suction opening；123, sweep-up pipe；124, dust suction sucking pump；125, dust outlet tube；126, sucking pump bottom
Seat；13, dust storage tank；14, magnet；15, control cabinet.
Specific embodiment
The utility model is described further below in conjunction with attached drawing:
Embodiment:
As shown in attached drawing 1 to attached drawing 4
The utility model provides a kind of for automobile longitudinal girder detection device, including riffled tube 1, external thread rod 2, elastic spiral shell
Bolt 3 slides stringer hole detection sensor structure 4, pedestal 5, and venthole 6 conveys stringer pivot structure 7, fixing seat 8, and data are shown
Display screen 9, host 10, three-way switch 11, dust collection hollow holder structure 12, dust storage tank 13, magnet 14 and control cabinet 15, the interior spiral shell
The upper end of 1 interior lower end of line pipe threaded connection external thread rod 2；The elasticity bolt 3 extends through under the outside of riffled tube 1
Portion and the top for being threaded in external thread rod 2；The lower outside of the sliding stringer hole detection sensor structure 4 is connected to
The upper end of riffled tube 1；2 lower inside of external thread rod is longitudinally bolted to the left and right sides of pedestal 5 respectively；Institute
The venthole 6 stated is provided with the inner right side middle position of pedestal 5；7 bottom of conveying stringer pivot structure is from front to back
It is connected to position at left and right sides of the top of pedestal 5 in turn；8 upper end of fixing seat is bolted to 5 bottom four of pedestal respectively
Angle Position；The data display screen 9 is mounted on the inside left of control cabinet 15；The host 10 installs the interior of control cabinet 15
Middle position on the right side of portion；The three-way switch 11 is mounted on the inside right end of control cabinet 15；The dust collection hollow holder structure
The lower surface on 12 tops is connected to the upper middle position of pedestal 5；Venthole is run through on 12 top of dust collection hollow holder structure
6；12 right end of dust collection hollow holder structure is connected to the left lower of dust storage tank 13；Pass through magnetic on the right side of the dust storage tank 13
Iron 14 is adsorbed on the left side of the fixing seat 8 of upper right corner setting；15 upper bolt of control cabinet is connected in the lower part of pedestal 5
Between position；The dust collection hollow holder structure 12 includes hollow dust suction seat 121, air suction opening 122, sweep-up pipe 123, dust suction sucking pump
124, dust outlet tube 125 and sucking pump pedestal 126, the air suction opening 122 are from left to right successively provided with the upper of hollow dust suction seat 121
Portion；123 threaded upper ends of sweep-up pipe are connected to hollow 121 bottom right of dust suction seat；The lower end flanges of the sweep-up pipe 123
Connect the upper end air entry of dust suction sucking pump 124；124 lower end of the bolt of dust suction sucking pump is connected to the upper of sucking pump pedestal 126
Portion middle position；The 125 left end flanged joint of dust outlet tube is in the right side gas outlet of dust suction sucking pump 124.
In above-described embodiment, specifically, the Data Data display screen 9 is specifically shown using LCD1602 liquid-crystal data
Screen.
In above-described embodiment, specifically, the host 10 specifically uses the single-chip microcontroller of model STC89C51RC.
In above-described embodiment, specifically, the dust outlet tube 125 and dust storage tank 13 are threadedly coupled setting.
In above-described embodiment, specifically, the data display screen 9, host 10 and dust suction sucking pump 124 are opened with three respectively
It closes 11 and is electrically connected setting；The data display screen 9 and host 10 are electrically connected setting.
In above-described embodiment, specifically, the dust suction sucking pump 124 specifically uses the sucking pump of FK-B55.
In above-described embodiment, specifically, the junction of the hollow dust suction seat 121 and sweep-up pipe 123 is provided with sealing
Rubber ring.
In above-described embodiment, specifically, the venthole 6 and sweep-up pipe 123 are threadedly coupled setting.
In above-described embodiment, specifically, the hollow dust suction seat 121 and pedestal 5 are bolted setting
In above-described embodiment, specifically, the conveying stringer pivot structure 7 includes delivery wheel 71, shaft 72 is driven
Gear 73, driving gear 74, feeder motor 75 and U-shaped wheel seat 76 and delivery wheel pedestal 77, the delivery wheel 71 pass through shaft
72 are connected to U-shaped 76 upper inside position of wheel seat；Inside interposition of 72 inner end of the shaft key connection in driven gear 73
It sets；The driven gear 73 and driving gear 74 is engaged；The driving gear 74 is keyed in feeder motor 75
On output shaft；75 lower bolt of feeder motor is connected to the upper outside of delivery wheel pedestal 77；The U-shaped wheel seat 76
Lower bolt is connected to the upper inner of delivery wheel pedestal 77.
In above-described embodiment, specifically, bearing connection setting between the shaft 72 and U-shaped wheel seat 76；Described turns
Setting is keyed between axis 72 and delivery wheel 71.
In above-described embodiment, specifically, the feeder motor 75 uses model Y2 motor.
In above-described embodiment, specifically, the feeder motor 75 and three-way switch 11 are electrically connected setting.
In above-described embodiment, specifically, the delivery wheel pedestal 77 and pedestal 5 is bolted setting.
In above-described embodiment, specifically, the sliding stringer hole detection sensor structure 4 includes sensor hanging plate 41,
Sliding rail 42, sliding shoe 43, infrared sensor 44, protective cover 45 and fixing bolt 46,42 upper bolt of the sliding rail connection
In the lower left side of sensor hanging plate 41；43 activity of sliding shoe is connected to the inner lower left position of sliding rail 42；Institute
The fixing bolt 46 stated runs through 41 front of sensor hanging plate and is threaded in the front medial location of sliding shoe 43；Described
44 upper end of infrared sensor is bolted to the bottom middle position of sliding shoe 43；On the protective cover 45
Portion is glued to the bottom of sliding shoe 43.
In above-described embodiment, specifically, there are two the settings of sliding stringer hole detection sensor structure 4；Described
Sliding stringer hole detection sensor structure 4 is oppositely arranged.
In above-described embodiment, specifically, the protective cover 45 specifically uses domed transparent plastic cover, the protection
45 cover of cover connects in the outside of infrared sensor 44.
In above-described embodiment, specifically, the sensor hanging plate 41 and riffled tube 1 is bolted setting.
In above-described embodiment, specifically, the infrared sensor 44 is specifically sensed using model E3F-DS30C4
Device.
In above-described embodiment, specifically, the infrared sensor 44 and host 10 are electrically connected setting.
Working principle
In the utility model, height of the external thread rod 2 inside riffled tube 1 is adjusted by rotating female screw pipe 1, from
And the height of sensor hanging plate 41 is adjusted, after regulating suitable height, automobile longitudinal girder is placed on delivery wheel 71 and delivery wheel
71 top starts feeder motor 75 by opening three-way switch 11, and shaft 72 drives delivery wheel 71 to rotate, and automobile longitudinal girder is defeated
When being sent to suitable position, three-way switch 11 is closed；By position of the sliding sliding shoe 43 on sliding rail 42, adjust infrared
The left-right position of line sensor 44 tightens fixing bolt 46；Start host 10 and data display screen by opening three-way switch 11
9, automobile longitudinal girder is scanned by infrared sensor 44, result is will test and passes to host 10, data display screen 9 is shown
As a result；Start dust suction sucking pump 124 by opening three-way switch 11, the dust on automobile longitudinal girder enters hollow by air suction opening 122
Dust suction seat 121, then dust outlet tube 125 is entered by sweep-up pipe 123, it enters back into storage, dust storage tank 13 in dust storage tank 13 and passes through magnet
14 are adsorbed in fixing seat 8, can take out cleaning.
Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model
Under inspiration, similar technical solution is designed, and reaches above-mentioned technical effect, is the protection model for falling into the utility model
It encloses.
Claims (10)
1. one kind is used for automobile longitudinal girder detection device, which is characterized in that it includes riffled tube that this, which is used for automobile longitudinal girder detection device,
(1), external thread rod (2), elasticity bolt (3) slide stringer hole detection sensor structure (4), pedestal (5), and venthole (6) is defeated
It send stringer pivot structure (7), fixing seat (8), data display screen (9), host (10), three-way switch (11), dust collection hollow seat knot
Structure (12), dust storage tank (13), magnet (14) and control cabinet (15), the riffled tube (1) interior lower end are threadedly coupled outer spiral shell
The upper end of rasp bar (2)；The elasticity bolt (3) extends through the outer lower portion of riffled tube (1) and is threadedly coupled in outer spiral shell
The top of rasp bar (2)；The lower outside of the sliding stringer hole detection sensor structure (4) is connected to riffled tube (1)
Upper end；Described external thread rod (2) lower inside is longitudinally bolted to the left and right sides of pedestal (5) respectively；The outlet
Hole (6) is provided with the inner right side middle position of pedestal (5)；Described conveying stringer pivot structure (7) bottom from front to back according to
Position at left and right sides of the secondary top for being connected to pedestal (5)；Described fixing seat (8) upper end is bolted to pedestal (5) bottom respectively
Portion's corner location；The data display screen (9) is mounted on the inside left of control cabinet (15)；The host (10) installs control
The inner right side middle position of cabinet (15) processed；The three-way switch (11) is mounted on the inside right end of control cabinet (15)；It is described
The lower surface on dust collection hollow holder structure (12) top be connected to the upper middle positions of pedestal (5)；The dust collection hollow seat
Venthole (6) are run through on structure (12) top；Described dust collection hollow holder structure (12) right end is connected to the left side of dust storage tank (13)
Lower part；The left side of the fixing seat (8) of upper right corner setting is adsorbed on the right side of the dust storage tank (13) by magnet (14)；Described
Control cabinet (15) upper bolt is connected to the lower middle position of pedestal (5)；The dust collection hollow holder structure (12) includes sky
Heart dust suction seat (121), air suction opening (122), sweep-up pipe (123), dust suction sucking pump (124), dust outlet tube (125) and sucking pump pedestal
(126), the air suction opening (122) is from left to right successively provided with the top of hollow dust suction seat (121)；The sweep-up pipe
(123) threaded upper ends are connected to hollow dust suction seat (121) bottom right；Described sweep-up pipe (123) the lower end flanged joint dust suction
The upper end air entry of sucking pump (124)；Described dust suction sucking pump (124) lower end of the bolt is connected in the top of sucking pump pedestal (126)
Between position；Dust outlet tube (125) the left end flanged joint is in the right side gas outlet of dust suction sucking pump (124).
2. being used for automobile longitudinal girder detection device as described in claim 1, which is characterized in that the dust outlet tube (125) and storage
Dirt case (13) is threadedly coupled setting.
3. being used for automobile longitudinal girder detection device as described in claim 1, which is characterized in that the hollow dust suction seat (121)
The junction of sweep-up pipe (123) is provided with sealing rubber ring.
4. being used for automobile longitudinal girder detection device as described in claim 1, which is characterized in that the venthole (6) and dust suction
It manages (123) and is threadedly coupled setting.
5. being used for automobile longitudinal girder detection device as described in claim 1, which is characterized in that the hollow dust suction seat (121)
Setting is bolted with pedestal (5).
6. being used for automobile longitudinal girder detection device as described in claim 1, which is characterized in that the conveying stringer pivot structure
It (7) include delivery wheel (71), shaft (72), driven gear (73), driving gear (74), feeder motor (75) and U-shaped wheel seat
(76) and delivery wheel pedestal (77), the delivery wheel (71) are connected to U-shaped wheel seat (76) upper inside position by shaft (72)
It sets；Shaft (72) inner end is keyed in the inside middle position of driven gear (73)；The driven gear (73) and
Driving gear (74) is engaged；The driving gear (74) is keyed on the output shaft of feeder motor (75)；Described
Feeder motor (75) lower bolt is connected to the upper outside of delivery wheel pedestal (77)；Described U-shaped wheel seat (76) lower bolt
It is connected to the upper inner of delivery wheel pedestal (77).
7. being used for automobile longitudinal girder detection device as claimed in claim 6, which is characterized in that the shaft (72) and U-shaped wheel
Bearing connection setting between seat (76)；Setting is keyed between the shaft (72) and delivery wheel (71).
8. being used for automobile longitudinal girder detection device as claimed in claim 6, which is characterized in that the delivery wheel pedestal (77) and
Pedestal (5) is bolted setting.
9. being used for automobile longitudinal girder detection device as described in claim 1, which is characterized in that the sliding longitudinal hole, which detects, to be passed
Sensor structure (4) includes sensor hanging plate (41), sliding rail (42), sliding shoe (43), infrared sensor (44), protective cover (45)
With fixing bolt (46), the sliding rail (42) upper bolt is connected to the lower left side of sensor hanging plate (41)；The cunning
Motion block (43) activity is connected to the inner lower left position of sliding rail (42)；The fixing bolt (46) runs through sensor hanging plate
(41) front and it is threaded in the front medial locations of sliding shoe (43)；Infrared sensor (44) upper end bolt
It is connected to the bottom middle position for being bolted to sliding shoe (43)；Described protective cover (45) top is glued to sliding shoe (43)
Bottom.
10. being used for automobile longitudinal girder detection device as claimed in claim 9, which is characterized in that the sensor hanging plate (41)
Setting is bolted with riffled tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821682628.4U CN209148295U (en) | 2018-10-17 | 2018-10-17 | One kind being used for automobile longitudinal girder detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821682628.4U CN209148295U (en) | 2018-10-17 | 2018-10-17 | One kind being used for automobile longitudinal girder detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148295U true CN209148295U (en) | 2019-07-23 |
Family
ID=67270070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821682628.4U Expired - Fee Related CN209148295U (en) | 2018-10-17 | 2018-10-17 | One kind being used for automobile longitudinal girder detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209148295U (en) |
-
2018
- 2018-10-17 CN CN201821682628.4U patent/CN209148295U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20191017 |
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| CF01 | Termination of patent right due to non-payment of annual fee |