CN207528213U - A kind of laser level stent - Google Patents
A kind of laser level stent Download PDFInfo
- Publication number
- CN207528213U CN207528213U CN201721390372.5U CN201721390372U CN207528213U CN 207528213 U CN207528213 U CN 207528213U CN 201721390372 U CN201721390372 U CN 201721390372U CN 207528213 U CN207528213 U CN 207528213U
- Authority
- CN
- China
- Prior art keywords
- connector
- strut
- laser level
- adjustment disk
- pedestal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of laser level stents,Including pedestal,The strut vertical with pedestal is provided on the pedestal,It is set on strut and the connector parallel with pedestal and the adjustment disk with being rotatablely connected on connector,The bottom surface of the adjustment disk is peripherally disposed toothing,The transmission gear engaged with toothing is rotatably connected on the connector,The center of the transmission gear is wholely set sprocket drive spindle,The gear shaft is rotationally connected on connector,And it is connected with handgrip in end of the gear shaft far from transmission gear,The screw rod for being useful for connection laser level is fixedly mounted in the upper surface center of the adjustment disk,Pass through rotary hand grip,Transmission gear rotates and adjustment disk is driven to rotate,The laser level for being set to adjustment disk upper surface also accordingly rotates to adjust angle,Engagement connection mode so that adjusting precision is higher,It is artificial easily to adjust,And laser level is lightly portable with supporting structure.
Description
Technical field
The utility model is related to stent, more particularly to a kind of laser level stent.
Background technology
Laser level is a kind of spirit level that artificial reading is replaced using laser beam, by the laser beam of laser aid transmitting
It imports in the telescope tube of spirit level, the spirit level that it is made to be projected along collimation axis direction is mainly used to pendency and angle calibration system
Instrument, including frame, always dangle be mounted on frame on and due to gravity and in vertical state pendant body, connection
It is used to emit at least one photophore of laser and mounted on pendant body in front of illuminator in power supply and in pendant body
At least one cylindrical lens, the cylindrical lens be used for launch illuminator laser pass through lens in plane dissipate, thus
Laser plane is formed, therefore the laser plane will project on intersecting target wall to be formed directly relative to the lens axis of cylindrical lens
The optical imagery of line, and it is used for level or vertical as line of reference.
Laser level usually with tripod with the use of height to reach needs, but due to the use of when, tripod with
Laser level is is fixedly mounted, and in the angle for adjusting laser level, needs mobile tripod, but such mode is adjusted,
It needs to rotate tripod repeatedly, uses inconvenience and precision is low, therefore, existing laser level stent also exists
Certain room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of laser level stent, and the light of fine tuning laser level is facilitated to penetrate
Outgoing direction, and light structure is portable.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of laser level stent including pedestal, is provided with the strut vertical with pedestal, is set on the pedestal
On strut and the connector parallel with pedestal and the adjustment disk with being rotatablely connected on connector, the bottom surface of the adjustment disk is along circle
Circumferential direction is provided with toothing, and the transmission gear engaged with toothing, the transmission gear are rotatably connected on the connector
Center be wholely set sprocket drive spindle, the gear shaft is rotationally connected on connector, and in gear shaft far from transmission gear
End is connected with handgrip, and the screw rod for being useful for connection laser level is fixedly mounted in the upper surface center of the adjustment disk.
Using above-mentioned technical proposal, by rotary hand grip, transmission gear rotates and adjustment disk is driven to rotate, and is set to adjusting
The laser level of disk upper surface is also accordingly rotated to adjust angle, and engagement connection mode so that adjusting precision is higher, manually
It easily adjusts, and laser level is lightly portable with supporting structure.
Preferably, the upper surface center of the adjustment disk offers mounting groove, the slot bottom of the mounting groove, which runs through, peace
Hole is filled, is provided with the turntable for being rotationally connected with connector in the mounting groove, the bottom of the turntable is provided with to be consolidated with connector
The limit assembly of Dingan County's dress.
Using above-mentioned technical proposal, setting is fixedly mounted with connector in mounting groove turntable, in rotary hand grip so that
When adjustment disk rotates, turntable is in stationary state position of the limitation adjustment disk on connector and adjustment disk is made to be only capable of doing circumferential turn
It is dynamic.
Preferably, the upper surface of the adjustment disk is fixed with pallet, the bottom of the pallet in the notch position of mounting groove
Portion is provided with several limited posts extended in mounting groove, fixing piece is provided in the mounting groove and the fixing piece and turntable
Between be separated with distance, several limit holes being sheathed on one by one on limited post are provided on the fixing piece, the center of the pallet is set
The perforation worn for screw rod is equipped with, the fixation being fixedly installed in screw rod on fixing piece is provided between the screw rod and fixing piece
Component.
It using above-mentioned technical proposal, is fixedly connected with the tray by adjustment disk, pallet is fixedly connected with fixing piece, and screw rod is solid
Dingan County is loaded on fixing piece, and during when rotary hand grip so that adjustment disk rotates, screw rod is rotated synchronously with adjustment disk, to realize fixed connect
The laser level rotation being connected on screw rod.
Preferably, side upper surface of the connector far from strut be provided with for adjustment disk be rotatablely installed circle it is recessed
Slot, the bottom of the adjustment disk is provided with the step end face for the upper surface for being connected to connector on the outside of toothing, so that tooth
Structure limitation is installed in circular groove and has distance with the bottom interval of circular groove, and the bottom of the circular groove offers
Storage tank, the through-hole being provided through on the side side wall of the storage tank, the transmission gear rotational installation is in storage tank
And its gear shaft is arranged in through-hole and extends to the outside of connector.
Using above-mentioned technical proposal, the upper surface of connector is connected to by step end face, avoids the tooth on adjustment disk
Structure is connected to the slot bottom of circular groove, so as to avoid the abrasion of toothing, meanwhile, it supplies to pass in the slot bottom setting of circular groove
The storage tank that moving gear houses, avoid distance between the bottom surface of adjustment disk and the slot bottom of circular groove it is excessive will appear it is unstable
Situation, while make the transmission effect between transmission gear and toothing more preferable.
Preferably, the connector sliding is installed on strut, it is provided on the connector and is connected to strut both sides
The connecting plate of wall sets restricted connector in the sliding assembly of position on strut, the cunning between the strut and connecting plate
Component is moved to include the sliding rail being vertically set on strut side wall and be set on connecting plate and slide to be installed on correspondence
Sliding slot on sliding rail, the top of the sliding rail is provided with to limit the block that connector skids off, in connector on the strut
Side and spur rack is provided between connecting plate, be provided on the connector and spur rack meshed gears, the tooth
Wheel is provided centrally with connecting shaft, and the both ends of the connecting shaft extend through in connecting plate and are fixedly connected on the outside of connecting plate
Knob.
It using above-mentioned technical proposal, is slidably connected on sliding rail by sliding slot, and pass through spur rack and gear engages biography
It is dynamic, it can be with adjusting connector in the position on strut, so as to the upper-lower position of the laser level on adjusting connector；In sliding rail
Top be provided with block, avoid connector and skid off sliding rail, influence the normal use of stent.
Preferably, the side that the strut is located at connector has been alternatively arranged two spur racks, the connecting shaft is upper
Rubber bushing is provided between two spur racks, the rubber bushing is connected on strut side wall.
Using above-mentioned technical proposal, rubber bushing is connected on the side wall of strut, increases rubbing between strut side wall
It wipes, avoids since laser level is overweight so that the situation that connector glides occurs.
Preferably, the pedestal is detachably installed with strut, the card slot for being connected to strut, institute are provided on the pedestal
State and clip assembly be provided between strut and card slot, the clip assembly include be set to strut two bottom sides buckling groove and
It is set in card slot and corresponds to the clamping item being connected in buckling groove.
Using above-mentioned technical proposal, by the way that pedestal and strut are set as detachably installing, without using when, can be with
It dismantles to place, saves space.
Preferably, being provided with locked groove in the card slot, the strut bottom is provided with the corresponding bullet being sticked in locked groove
Property closing piece.
Using above-mentioned technical proposal, pass through the engaging of closing piece and locked groove so that the connection between strut and pedestal is more
Securely.
Preferably, it is provided with magnet on side side wall of the strut far from connector.
Using above-mentioned technical proposal, magnet is added on strut with adsorption function, strut can be adsorbed in by when use
Enterprising exercise of ferromagnetic material is used, and increases the mounting means of stent, and install more flexible.
Preferably, the bottom of the pedestal is provided with threaded hole.
Above-mentioned technical proposal is used, if laser level needs the height measured higher, pedestal can pass through threaded hole
The antenna height to improve stent is threadedly coupled with other stents or equipment, so as to reach the height of needs, using it is upper more
Flexibly.
In conclusion the utility model has the advantages that：By rotary hand grip, transmission gear rotates and drives tune
Disk rotation is saved, the laser level for being set to adjustment disk upper surface is also accordingly rotated to adjust angle, and engagement connection mode causes
It is higher to adjust precision, it is artificial easily to adjust, and laser level is lightly portable with supporting structure.
Description of the drawings
Fig. 1 is the structure diagram of laser level stent in the present embodiment；
Fig. 2 is the exploded perspective view of pedestal in the present embodiment；
Fig. 3 is the exploded perspective view of pedestal other direction in the present embodiment；
Fig. 4 is the enlarged diagram at A in Fig. 3；
Fig. 5 is the exploded perspective view of connector and adjustment disk in the present embodiment；
Fig. 6 is the exploded perspective view of connector and adjustment disk other direction in the present embodiment.
In figure：1st, pedestal；11st, card slot；12nd, it is clamped item；13rd, the second semi-circular recesses；14th, the first limiting slot；15th, it locks
Slot；2nd, strut；21st, buckling groove；22nd, the first semi-circular recesses；23rd, the second limiting slot；24th, closing piece；25th, sliding rail；251st, block；
26th, spur rack；3 connectors；31st, connecting plate；311st, sliding slot；32nd, gear；321st, connecting shaft；33rd, knob；34th, rubber bushing；
35th, transmission gear；351st, gear shaft；36th, handgrip；37th, circular groove；371st, storage tank；372nd, through-hole；373rd, boss；4th, it adjusts
Save disk；41st, toothing；42nd, screw rod；421st, limit protrusion；43rd, annular groove；44th, mounting groove；441st, mounting hole；45th, it is fixed
Part；451st, limit hole；452nd, limiting groove；5th, nut；51st, chimb；52nd, raised line；6th, turntable；61st, fixed column；7th, pallet；71、
Limited post；72nd, it perforates；8th, magnet；9th, hole is hooked.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
The utility model discloses a kind of laser level stent, as shown in Figure 1, including pedestal 1, being set to pedestal 1
The upper and strut 2 vertical with pedestal 1 is set on strut 2 and the connector 3 parallel with pedestal 1 and with being rotated on connector 3
The adjustment disk 4 of connection.
With reference to Fig. 2 and Fig. 3, pedestal 1 is detachably installed with strut 2, and the bottom of pedestal 1 sets and has been wholely set in hollow out
Netted reinforcing rib is provided with the card slot 11 for being connected to strut 2 to form the bottom surface that can be kept flat on one end of pedestal 1, strut 2 with
Clip assembly is provided between card slot 11, clip assembly includes being set to the buckling groove 21 of 2 two bottom sides of strut and be set to
In card slot 11 and the corresponding clamping item 12 being connected in buckling groove 21, buckling groove 21 can be horizontally disposed with or set vertically
It puts；Side center on 2 bottom surface of strut close to card slot 11 is provided with the first semi-circular recesses 22, is provided in card slot 11 and first
Semi-circular recesses 22 are provided in accommodating cavity to matching connection to form the second semi-circular recesses 13 of accommodating cavity and are threaded hole
It can be used for connecting other stents or the nut 5 of equipment, on periphery of the nut 5 far from accommodating cavity open at one end on pedestal 1
It is circumferentially provided with the chimb 51 in polygon, and the of chimb 51 is connected in being provided on the side wall of the second semi-circular recesses 13
One limiting slot 14, to avoid nut 5 in being circumferentially rotated in accommodating cavity.
With reference to Fig. 3 and Fig. 4, in order to further limit the circumferentially rotating in accommodating cavity of nut 5, on the side edge of chimb 51
Raised line 52 radially is provided with, is provided with the second limiting slot 23 on the side wall of the first semi-circular recesses 22,52 inlay card of raised line is in the
In two limiting slots 23.
As shown in Fig. 2, it is respectively arranged with locked groove 15,2 bottom of strut in card slot 11 and in the both sides of the second semi-circular recesses 13
Portion is provided with the corresponding elastic locking piece 24 being sticked in locked groove 15 in the both sides of the first semi-circular recesses 22.
With reference to Fig. 5 and Fig. 6, connector 3 is vertically arranged and slides with strut 2 and is installed on strut 2, is set on connector 3
There is the connecting plate 31 for being connected to 2 two side of strut, set restricted connector 3 upper in strut 2 between strut 2 and connecting plate 31
The sliding assembly put, sliding assembly include the sliding rail 25 being vertically set on 2 side wall of strut and are set to connecting plate
On 31 and the sliding slot 311 being installed on corresponding sliding rail 25 is slid, the top of sliding rail 25 is provided with what is skidded off for limiting connector 3
Block 251 has been alternatively arranged two spur racks 26 on strut 2 in the side of connector 3 and between two connecting plates 31, connects
It is provided on part 3 and is provided centrally with two gears 32 of connection so that two with 26 meshed gears 32 of spur rack, two gears 32
Gear 32 keeps the connecting shaft 321 being synchronized with the movement, and the both ends of connecting shaft 321 are extended through in connecting plate 31 and in outside connecting plate 31
Side is fixedly connected with knob 33, and in being provided with non-slip texture on the peripheral surface of knob 33；It is located at two straight-tooth in connecting shaft 321
Rubber bushing 34 is provided between item 26, rubber bushing 34 is connected to increase the friction between strut 2 on 2 side wall of strut,
Prevent connector 3 from sliding.
The bottom surface of adjustment disk 4 is peripherally disposed toothing 41, is rotatably connected on connector 3 and is nibbled with toothing 41
The transmission gear 35 of conjunction, the center of transmission gear 35 are wholely set sprocket drive spindle 351, and gear shaft 351 is rotationally connected with connector 3
On, and handgrip 36 is connected in end of the gear shaft 351 far from transmission gear 35, the upper surface center of adjustment disk 4 is fixed
Screw rod 42 for connecting laser level is installed.
Side upper surface of the connector 3 far from strut 2 is provided with the circular groove 37 being rotatablely installed for adjustment disk 4, connection
Several reinforcing ribs are provided on the lower face of part 3, the notch edges of circular groove 37 have upwardly extended flange, the bottom of adjustment disk 4
Portion is provided with the step end face for the upper surface for being connected to connector 3 in the outside of toothing 41, step end face and toothing 41 it
Between be provided with annular groove 43, the inner wall of annular groove 43 is connected on the lateral wall of flange.
The upper surface center of adjustment disk 4 offers mounting groove 44, and the slot bottom of mounting groove 44 is installed through there is mounting hole 441
The turntable 6 for being rotationally connected with connector 3 is provided in slot 44, the bottom of turntable 6 is provided with the limiting being fixedly mounted with connector 3
Component.Step end face is higher than 4 bottom surface of adjustment disk where toothing 41 so that the limitation of toothing 41 is installed in circular groove 37
And have a distance with the bottom interval of circular groove 37, and the bottom of circular groove 37 offers storage tank 371, and the one of storage tank 371
The through-hole 372 being provided through on the side wall of side, transmission gear 35 is rotatablely installed in storage tank 371, and gear shaft 351 is arranged in
Through-hole 372 is interior and extends to the outside of connector 3 so that handgrip 36 is located at the outside of storage tank 371 to facilitate rotation handgrip 36
It adjusts adjustment disk 4 to rotate, non-slip texture is provided on the peripheral surface of handgrip 36.
The bottom of turntable 6 is provided with several fixed columns 61, and screw hole is offered in every fixed column 61, circular groove 37
Bottom centre has set up boss 373, and all fixed columns 61 are arranged in after mounting hole 441 with being consolidated on boss 373 by screw
Fixed connection.
The upper surface of adjustment disk 4 is fixed with pallet 7 in the notch position of mounting groove 44, and the bottom of pallet 7 is provided with several
Extend to the limited post 71 in mounting groove 44, be provided in mounting groove 44 between fixing piece 45 and fixing piece 45 and turntable 6 be separated with away from
From being provided with several limit holes 451 being sheathed on one by one on limited post 71 on fixing piece 45, pallet 7 is provided centrally with for spiral shell
The perforation 72 that bar 42 is worn is provided with the fixation being fixedly installed in screw rod 42 on fixing piece 45 between screw rod 42 and fixing piece 45
Component.
Fixation kit includes the limiting groove 452 being set on fixing piece 45 and is set to screw rod 42 far from laser leveling
The limit protrusion 421 of instrument fixing end, the correspondence of limit protrusion 421 are inserted into limiting groove 452, and limiting groove 452 is set herein
There are two, it is semi-circular design.
As shown in Figure 1, it is provided with magnet 8 on side side wall of the strut 2 far from connector 3 so that stent can adsorb
Used in other equipment, be additionally provided on side side wall of the strut 2 far from connector 3 hook hole 9 with by cradle hangs in wall
It is used on wall.
In use, pedestal 1 is positioned on ground, by the way that laser level is threadedly coupled with screw rod 42 so that laser
Spirit level is fixed on pallet 7, and rotary hand grip 36 is to adjust the circumferential angle of laser level, and turn knob 33 is to adjust laser
Then the height of spirit level carries out level measurement；If 2 height of strut is not enough to reach the height that needs measure, it can pass through
Nut 5 in accommodating cavity is threadedly coupled the antenna height to improve laser level stent with other stents or equipment, with
Reach the height that needs measure；Magnetisable material can also be adsorbed by magnet 8 to be used with stent come fixed laser spirit level；Simultaneously
Laser level can also be hung on stent on wall by hooking hole 9 and used.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Claims (10)
1. a kind of laser level stent, it is characterized in that：Including pedestal（1）, the pedestal（1）On be provided with and pedestal（1）
Vertical strut（2）, be set to strut（2）Upper and and pedestal（1）Parallel connector（3）And and connector（3）Upper rotation
The adjustment disk of connection（4）, the adjustment disk（4）Bottom surface peripherally disposed have toothing（41）, the connector（3）On
It is rotatably connected to and toothing（41）The transmission gear of engagement（35）, the transmission gear（35）Center be wholely set gear
Axis（351）, the gear shaft（351）It is rotationally connected with connector（3）On, and in gear shaft（351）Far from transmission gear（35）
End be connected with handgrip（36）, the adjustment disk（4）Upper surface center be fixedly mounted be useful for connection laser leveling
The screw rod of instrument（42）.
2. a kind of laser level stent according to claim 1, it is characterized in that：The adjustment disk（4）Upper surface
Center offers mounting groove（44）, the mounting groove（44）Slot bottom through there is mounting hole（441）, the mounting groove（44）Inside set
It is equipped with and is rotationally connected with connector（3）Turntable（6）, the turntable（6）Bottom be provided with and connector（3）It is fixedly mounted
Limit assembly.
3. a kind of laser level stent according to claim 2, it is characterized in that：The adjustment disk（4）Upper surface
In mounting groove（44）Notch position be fixed with pallet（7）, the pallet（7）Bottom be provided with and several extend to mounting groove
（44）Interior limited post（71）, the mounting groove（44）Inside it is provided with fixing piece（45）And the fixing piece（45）With turntable（6）
Between be separated with distance, the fixing piece（45）On be provided with and several be sheathed on limited post one by one（71）On limit hole（451）, it is described
Pallet（7）Be provided centrally with for screw rod（42）The perforation worn（72）, the screw rod（42）With fixing piece（45）Between set
Have screw rod（42）It is fixedly installed in fixing piece（45）On fixation kit.
4. a kind of laser level stent according to claim 2, it is characterized in that：The connector（3）Far from strut
（2）Side upper surface be provided with for adjustment disk（4）The circular groove of rotational installation（37）, the adjustment disk（4）Bottom in
Toothing（41）Outside be provided with and be connected to connector（3）Upper surface step end face so that toothing（41）Limitation peace
Loaded on circular groove（37）Interior and and circular groove（37）Bottom interval have distance, the circular groove（37）Bottom open up
There is storage tank（371）, the storage tank（371）Side side wall on the through-hole that is provided through（372）, the transmission gear
（35）It is rotatablely installed in storage tank（371）Interior and its gear（32）Axis is arranged in through-hole（372）It is interior and extend to connector（3）'s
Outside.
5. a kind of laser level stent according to claim 1, it is characterized in that：The connector（3）Sliding installation
In strut（2）On, the connector（3）On be provided with and be connected to strut（2）The connecting plate of two side（31）, the strut（2）
With connecting plate（31）Between restricted connector is set（3）In strut（2）The sliding assembly of upper position, the sliding assembly include
Vertically it is set to strut（2）Sliding rail on side wall（25）And it is set to connecting plate（31）It goes up and slides and be installed on correspondence
Sliding rail（25）On sliding slot（311）, the sliding rail（25）Top be provided with to limit connector（3）The block skidded off
（251）, the strut（2）On in connector（3）Side and in connecting plate（31）Between be provided with spur rack（26）, the company
Fitting（3）On be provided with and spur rack（26）Meshed gears（32）, the gear（32）Be provided centrally with connecting shaft
（321）, the connecting shaft（321）Both ends extend through in connecting plate（31）And in connecting plate（31）Outside is fixedly connected with rotation
Button（33）.
6. a kind of laser level stent according to claim 5, it is characterized in that：The strut（2）Positioned at connector
（3）Side be alternatively arranged two spur racks（26）, the connecting shaft（321）It is upper to be located at two spur racks（26）Between set
There is rubber bushing（34）, the rubber bushing（34）It is connected to strut（2）On side wall.
7. a kind of laser level stent according to claim 1, it is characterized in that：The pedestal（1）With strut（2）It can
It removes and installs, the pedestal（1）On be provided with and be connected to strut（2）Card slot（11）, the strut（2）With card slot（11）Between
Clip assembly is provided with, the clip assembly includes being set to strut（2）The buckling groove of two bottom sides（21）And it is set to card
Slot（11）Interior and correspondence is connected in buckling groove（21）Interior clamping item（12）.
8. a kind of laser level stent according to claim 7, it is characterized in that：The card slot（11）Inside it is provided with lock
Slot（15）, the strut（2）Bottom is provided with correspondence and is sticked in locked groove（15）Interior elastic locking piece（24）.
9. a kind of laser level stent according to claim 1, it is characterized in that：The strut（2）Far from connector
（3）Side side wall on be provided with magnet（8）.
10. a kind of laser level stent according to claim 1, it is characterized in that：The pedestal（1）Bottom setting
There is threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721390372.5U CN207528213U (en) | 2017-10-25 | 2017-10-25 | A kind of laser level stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721390372.5U CN207528213U (en) | 2017-10-25 | 2017-10-25 | A kind of laser level stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207528213U true CN207528213U (en) | 2018-06-22 |
Family
ID=62570984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721390372.5U Expired - Fee Related CN207528213U (en) | 2017-10-25 | 2017-10-25 | A kind of laser level stent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207528213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939030A (en) * | 2019-12-14 | 2020-03-31 | 成都轨道建设管理有限公司 | Pull rod structure capable of quickly adjusting track gauge and track gauge adjusting method |
-
2017
- 2017-10-25 CN CN201721390372.5U patent/CN207528213U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939030A (en) * | 2019-12-14 | 2020-03-31 | 成都轨道建设管理有限公司 | Pull rod structure capable of quickly adjusting track gauge and track gauge adjusting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20191025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |