CN220600685U - Adjustable fixed pipe support - Google Patents

Adjustable fixed pipe support Download PDF

Info

Publication number
CN220600685U
CN220600685U CN202321932559.9U CN202321932559U CN220600685U CN 220600685 U CN220600685 U CN 220600685U CN 202321932559 U CN202321932559 U CN 202321932559U CN 220600685 U CN220600685 U CN 220600685U
Authority
CN
China
Prior art keywords
fixed mounting
supporting disk
main
rack
fixed pipe
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.)
Active
Application number
CN202321932559.9U
Other languages
Chinese (zh)
Inventor
蔡俊
蔡光杰
蔡军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Shuangyu Transmission Machinery Co ltd
Original Assignee
Shanghai Shuangyu Transmission Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Shuangyu Transmission Machinery Co ltd filed Critical Shanghai Shuangyu Transmission Machinery Co ltd
Priority to CN202321932559.9U priority Critical patent/CN220600685U/en
Application granted granted Critical
Publication of CN220600685U publication Critical patent/CN220600685U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses an adjustable fixed pipe rack, which relates to the technical field of adjustable pipe racks and comprises a main support rod, wherein the inside of the main support rod is of a hollow structure, a first support plate is fixedly arranged at the bottom end of the main support rod, support columns are fixedly arranged at the bottom end of the first support plate in an annular equidistant manner, first support blocks are fixedly arranged at the bottom ends of the three support columns, a second support plate groove is formed in the middle position of the inner wall of the main support rod, a motor is started, the output end of the motor rotates to drive a worm to rotate, the worm rotates to drive a worm wheel to rotate, the worm wheel further drives a second support plate to rotate, the second support plate rotates to further realize the rotation effect of the fixed pipe rack, and the three support columns can support the whole structure while guaranteeing the stability, so that the fixed pipe rack can be subjected to angle adjustment according to specific requirements of installation of different equipment, and further the fixed pipe rack is good in flexibility and adaptability.

Description

Adjustable fixed pipe support
Technical Field
The utility model relates to the technical field of adjustable pipe frames, in particular to an adjustable fixed pipe frame.
Background
The stationary pipe rack is designed to support electromechanical equipment such as pipes, cables, meters, etc. By providing a stable support structure, the equipment can be ensured to be safely fixed in a proper position, and the risk of vibration and movement is reduced, when the fixed pipe frame needs to be subjected to very large angle adjustment, the traditional adjustable fixed pipe frame may not meet the requirements, some adjustable fixed pipe frames may use threads, pins or other adjusting mechanisms to realize the adjustment of the height, the mechanisms may be affected by abrasion, looseness or damage, the reliability of the adjusting function is reduced, more frequent maintenance and adjustment may be required to ensure the stability and the safety of the pipe frame, the size, the shape and the installation requirements of the electromechanical equipment are different, the traditional fixed pipe frame often cannot meet the adjustment of the height and the rotation angle of various equipment, and the flexibility and the adaptability of the fixed pipe frame are further poor, and therefore a solution capable of adapting to different conditions is needed, so that the fixed pipe frame can be adjusted according to specific requirements, and the installation requirements of different equipment are met.
Disclosure of Invention
(one) solving the technical problems
The utility model aims to at least solve one of the technical problems in the prior art, and provides an adjustable fixed pipe rack, which can solve the problems of flexibility and adaptability of the fixed pipe rack and regulation limitation and improve the reliability of an regulation mechanism.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an adjustable fixed pipe support, includes the main tributary vaulting pole, the inside of main tributary vaulting pole is hollow structure, and the bottom fixed mounting of main tributary vaulting pole has first supporting disk, and the bottom end of first supporting disk is to equidistant fixed mounting has the support column, and the equal fixed mounting in bottom of three support column has first supporting shoe, and the second supporting disk recess has been seted up to the inner wall middle part position of main tributary vaulting pole, and the second supporting disk is installed in the rotation of second supporting disk recess, and the inner wall second supporting disk recess lower extreme fixed mounting of main tributary vaulting pole has the motor fixed block, and the surface intermediate position fixed mounting of main tributary vaulting pole has the control box.
Preferably, a motor is fixedly arranged on one side of the motor fixing block, which is far away from the inner wall of the main supporting rod, and the output end of the motor is fixedly connected with a worm.
Preferably, the worm wheel is fixedly installed at the center of the bottom end of the second supporting disc, the worm wheel is meshed with the worm, the limiting groove is fixedly installed at the center of the top end of the second supporting disc, the main rack is slidably installed in the limiting groove, the auxiliary rack is fixedly installed at the top end of the second supporting disc corresponding to the position of the main rack, the gear is meshed and connected between the main rack and the auxiliary rack, the lifting block is fixedly connected to the inner surface of the gear, the first hydraulic telescopic rod is fixedly installed at the top end of the second supporting disc corresponding to the position of the lifting block, and the top end of the first hydraulic telescopic rod is fixedly connected with the lower surface of the lifting block.
Preferably, the top fixed mounting of main rack has the third supporting plate, corresponding fixed mounting has the fixed column on the surface of third supporting plate, the first backup pad of one end fixedly connected with of third supporting plate is kept away from to two fixed columns, the upper end intermediate position fixed mounting of first backup pad has the layer board, the left end intermediate position fixed mounting of layer board has the second hydraulic telescoping rod, the left side surface second backup pad of second hydraulic telescoping rod, the same spout has been seted up to the upper end left side correspondence of first backup pad, equal slidable mounting has the same slider in the spout, first rectangular groove has all been seted up to two second supporting shoe corresponding ends, two second axis of rotation are all vertically rotated to inside two first rectangular grooves, the equal fixed mounting of left side surface of two second supporting shoes has splint.
Preferably, the vertical intermediate position in both ends all has seted up the second rectangle recess around the second backup pad, and two first axis of rotation are all installed in the inside equal vertical rotation of two second rectangle recesses, and the control lever has all been cup jointed to the surface of two first axis of rotation, and two control levers keep away from first axis of rotation one end and all fixedly cup joint on the surface of second axis of rotation.
Preferably, the control box is electrically connected with the first hydraulic telescopic rod, the motor and the second hydraulic telescopic rod.
(III) beneficial effects
Compared with the prior art, the utility model provides the adjustable fixed pipe rack, which has the following beneficial effects:
(1) The adjustable fixed pipe rack is provided with the auxiliary rack, the limiting groove and the main rack, the main rack is slidably arranged in the limiting groove, the auxiliary rack is connected with the main rack through gear engagement, the first hydraulic telescopic rod is started, the first hydraulic telescopic rod stretches to drive the lifting block to move upwards, the lifting block drives the gear to move upwards, the auxiliary rack on the left side of the gear cannot move upwards due to the fact that the auxiliary rack is fixed on the surface of the second supporting disc, the auxiliary rack can only move upwards in the limiting groove through the driving of the main rack by the gear, loads can be dispersed to a plurality of points by using the two gear racks, when the loads are larger or more uniform load distribution is required, the loads born by each gear rack can be lightened by using the two gear racks, the bearing capacity and service life of the system are improved, meanwhile, the two gear racks can provide better stability and balance, when one gear rack is impacted or vibrated, the other gear rack can provide additional support and balance, therefore vibration and instability of the system are reduced, the height of the fixed pipe rack is convenient to adjust, the safety of various equipment is fixed at a proper position,
(2) This adjustable fixed pipe support, through being provided with clamping device, start the second hydraulic telescoping rod, the extension of second hydraulic telescoping rod drives the second backup pad and moves forward, the second backup pad moves forward and drives four control levers and be close to first axis of rotation one side and do the forward motion, and then drive two sliders and move in opposite directions, two slider movements will drive splint and move in opposite directions, and then realize the clamping effect, clamp electromechanical device through two splint evenly, can provide even clamping force distribution, make electromechanical device keep stable in the centre gripping in-process, improve clamping effect, adopt firm structural design simultaneously, have higher rigidity and stability, the surface of splint is provided with the skid resistant course simultaneously, stability and the security of clamping the object have been increased, prevent to press from both sides the clamping object and slide or remove on splint.
(3) This adjustable fixed pipe support, through being provided with rotary device, the motor output rotates and drives the worm and rotate, the worm rotates and will drive the worm wheel and rotate, the worm wheel rotates and further drives the second supporting disk and rotate, the second supporting disk rotates and then has realized the rotation effect of fixed pipe support, simultaneously the second supporting disk rotates and installs the inside at the second supporting disk recess, the maximized bearing effect that has utilized the main tributary vaulting pole, the bottom fixed mounting of main tributary vaulting pole has first supporting disk, the bottom end of first supporting disk is to equidistant fixed mounting has three support column, three support column is when guaranteeing stability, can support overall structure again for fixed pipe support can carry out angular adjustment according to specific demand, thereby the installation requirement of different equipment has been satisfied, and then it is better to make fixed pipe support flexibility and adaptability.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic side view of an adjustable fixed pipe rack of the present utility model;
FIG. 2 is a schematic diagram of the internal side view of the stationary pipe rack of the present utility model;
FIG. 3 is a schematic view showing the bottom view of the rotary device of the present utility model;
FIG. 4 is a schematic side view of a lifting device according to the present utility model;
FIG. 5 is a schematic top view of the stationary pipe rack of the present utility model;
FIG. 6 is a schematic side view of the clamping device of the present utility model;
fig. 7 is a schematic view of a part of the structure of the clamping device of the present utility model.
Reference numerals: 1. a main support rod; 2. a first support plate; 3. a support column; 4. a first support block; 5. a second support plate groove; 6. a second support plate; 7. a worm wheel; 8. a worm; 9. a motor; 10. a motor fixing block; 11. a first hydraulic telescoping rod; 12. a lifting block; 13. a gear; 14. a secondary rack; 15. a limit groove; 16. a main rack; 17. a third support plate; 18. fixing the column; 19. a first support plate; 20. a supporting plate; 21. a second hydraulic telescoping rod; 22. a second support plate; 23. a first rotation shaft; 24. a control lever; 25. a second rotation shaft; 26. a slide block; 27. a second support block; 28. a clamping plate; 29. and a control box.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides an adjustable fixed pipe support, including main tributary vaulting pole 1, the inside of main tributary vaulting pole 1 is hollow structure, the bottom fixed mounting of main tributary vaulting pole 1 has first supporting disk 2, the bottom end of first supporting disk 2 is to equidistant fixed mounting have support column 3, the bottom of three support column 3 is all fixed mounting has first supporting shoe 4, second supporting disk recess 5 has been seted up to the inner wall middle part position of main tributary vaulting pole 1, second supporting disk recess 5 rotates installs second supporting disk 6, the inner wall second supporting disk recess 5 lower extreme fixed mounting of main tributary vaulting pole 1 has motor fixed block 10, the surface intermediate position fixed mounting of main tributary vaulting pole 1 has control box 29, the bottom fixed mounting of main tributary vaulting pole 1 has first supporting disk 2, the bottom end of first supporting disk 2 is to equidistant fixed mounting have three support column 3, three support column 3 can support the overall structure again when guaranteeing stability.
Further, one side of the inner wall of the main support rod 1, away from the main support rod 1, of the motor fixing block 10 is fixedly provided with a motor 9, the output end of the motor 9 is fixedly connected with a worm 8, when the fixed pipe support needs a rotation angle, the motor 9 is started, the output end of the motor 9 rotates to drive the worm 8 to rotate, the worm 8 rotates to drive the worm wheel 7 to rotate, and then angle adjustment is achieved.
Further, the worm wheel 7 is fixedly installed at the center position of the bottom end of the second supporting disc 6, the worm wheel 7 is in meshed connection with the worm 8, the limit groove 15 is fixedly installed at the center position of the top end of the second supporting disc 6, the main rack 16 is slidably installed in the limit groove 15, the auxiliary rack 14 is fixedly installed at the top end of the second supporting disc 6 corresponding to the position of the main rack 16, the gear 13 is in meshed connection with the auxiliary rack 14, the lifting block 12 is fixedly connected to the inner surface of the gear 13, the first hydraulic telescopic rod 11 is fixedly installed at the position of the top end of the second supporting disc 6 corresponding to the lifting block 12, the top end of the first hydraulic telescopic rod 11 is fixedly connected with the lower surface of the lifting block 12, loads can be dispersed to a plurality of points through two gear strips, when the loads are large or more uniform load distribution is required, the loads born by each gear strip can be reduced through the two gear strips, the bearing capacity and service life of a system are improved, meanwhile, the two gear strips can provide better stability and balance, when one gear strip is impacted or is subjected to the impact or the other gear strip, the other gear strip can provide additional support and the third supporting system can not be convenient to adjust the vibration stability, and the vibration stability is reduced, and the vibration stability is not convenient to adjust the system.
Further, the top fixed mounting of main rack 16 has third supporting plate 17, correspond fixed mounting and have fixed column 18 on the surface of third supporting plate 17, the one end fixedly connected with first backup pad 19 that two fixed columns 18 all kept away from third supporting plate 17, the upper end intermediate position fixed mounting of first backup pad 19 has layer board 20, the left end intermediate position fixed mounting of layer board 20 has second hydraulic telescoping rod 21, the left side surface second backup pad 22 of second hydraulic telescoping rod 21, the same spout has been seted up to the upper end left side correspondence of first backup pad 19, equal slider 26 has all been installed to slidable in the spout, first rectangular groove has all been seted up to the corresponding end of two second supporting pieces 27, two second axis of rotation 25 have all been installed in two first rectangular groove vertical rotation, the left side surface of two second supporting pieces 27 all fixed mounting has splint 28, start second hydraulic telescoping rod 21, second hydraulic telescoping rod 21 stretches and drives second backup pad 22 forward motion, second axis 22 forward motion drives four control rods 24 and is close to first axis of rotation 23 one side forward motion, and then drive two slider 26 and clamp plate 28 forward motion, and then realize that two slider 26 clamp effect is moved forward.
Further, the vertical intermediate positions of the front end and the rear end of the second support plate 22 are provided with second rectangular grooves, two first rotating shafts 23 are vertically and rotatably installed in the two second rectangular grooves, control rods 24 are fixedly sleeved on the outer surfaces of the two first rotating shafts 23, one ends, far away from the first rotating shafts 23, of the two control rods 24 are fixedly sleeved on the outer surfaces of second rotating shafts 25, and the stress direction of the second support plate 22 is changed through rotation of the first rotating shafts 23 and the second rotating shafts 25, so that the stress of the second support plate 22 is converted onto the sliding blocks 26.
Further, the control box 29 is electrically connected to the first hydraulic telescopic rod 11, the motor 9 and the second hydraulic telescopic rod 21, and the control box 29 controls the start and stop of the first hydraulic telescopic rod 11, the motor 9 and the second hydraulic telescopic rod 21.
Working principle: when in use, the electromechanical device is placed on the third supporting plate 17, the second hydraulic telescopic rod 21 is started, the second hydraulic telescopic rod 21 stretches to drive the second supporting plate 22 to move forwards, the second supporting plate 22 moves forwards to drive the four control rods 24 to move forwards near one side of the first rotating shaft 23, the stress direction of the second supporting plate 22 is changed through the rotation of the first rotating shaft 23 and the second rotating shaft 25, the stress of the second supporting plate 22 is converted to the sliding blocks 26, the two sliding blocks 26 are driven to move in opposite directions, the clamping plate 28 is driven to move in opposite directions, the clamping effect is realized, when the rotation angle of the pipe rack is required to be fixed, the motor 9 is started, the output end of the motor 9 rotates to drive the worm 8 to rotate, the worm wheel 7 is driven to rotate, the angle adjustment is realized through the arrangement of the auxiliary rack 14, the limiting groove 15 and the main toothed bar 16, the main rack 16 is slidably arranged in the limit groove 15, the auxiliary rack 14 is connected with the main rack 16 through gear engagement, the first hydraulic telescopic rod 11 is started, the first hydraulic telescopic rod 11 stretches to drive the lifting block 12 to move upwards, the lifting block 12 drives the gear 13 to move upwards, the auxiliary rack 14 on the left side of the gear 13 cannot move upwards because of being fixed on the surface of the second support disc 6, and can only be driven by the main rack 16 to move upwards in the limit groove 15 through the gear 13, loads can be dispersed to a plurality of points by using two gear bars, when the loads are large or more uniform load distribution is required, the load born by each gear bar can be reduced by using two gear bars, the bearing capacity and service life of the system are improved, meanwhile, the two gear bars can provide better stability and balance, when one gear bar is impacted or vibrated, the other gear strip can provide additional support and balance, so that vibration and instability of the system are reduced, the height of the fixed pipe rack is convenient to adjust, and various equipment is installed at a position suitable for the height.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An adjustable fixed pipe support, includes main tributary vaulting pole (1), its characterized in that: the inside of main tributary vaulting pole (1) is hollow structure, the bottom fixed mounting of main tributary vaulting pole (1) has first supporting disk (2), the bottom annular equidistance fixed mounting of first supporting disk (2) has support column (3), the equal fixed mounting of bottom of three support column (3) has first supporting shoe (4), second supporting disk recess (5) have been seted up in the inner wall middle part position of main tributary vaulting pole (1), second supporting disk (6) are installed in second supporting disk recess (5) internal rotation, motor fixed block (10) are fixed in inner wall second supporting disk recess (5) lower extreme of main tributary vaulting pole (1), surface intermediate position fixed mounting of main tributary vaulting pole (1) has control box (29).
2. An adjustable fixed pipe rack according to claim 1, wherein: and one side of the motor fixing block (10) far away from the inner wall of the main support rod (1) is fixedly provided with a motor (9), and the output end of the motor (9) is fixedly connected with a worm (8).
3. An adjustable fixed pipe rack according to claim 1, wherein: the bottom central point of second supporting disk (6) puts fixed mounting and has worm wheel (7), worm wheel (7) and worm (8) meshing are connected, the top central point of second supporting disk (6) puts fixed mounting and has spacing groove (15), the inside slidable mounting of spacing groove (15) has main rack (16), the top of second supporting disk (6) corresponds the position fixed mounting of main rack (16) has vice rack (14), meshing between main rack (16) and vice rack (14) is connected with gear (13), fixedly connected with lifter (12) on the internal surface of gear (13), the position fixed mounting that corresponds lifter (12) on the top of second supporting disk (6) has first hydraulic telescoping rod (11), the top of first hydraulic telescoping rod (11) is connected with the lower surface of lifter (12) fixedly.
4. An adjustable fixed pipe rack according to claim 3, wherein: the top fixed mounting of main rack (16) has third supporting disk (17), correspond fixed mounting on the surface of third supporting disk (17) fixed column (18), the one end fixedly connected with first backup pad (19) of third supporting disk (17) are all kept away from to two fixed columns (18), upper end intermediate position fixed mounting of first backup pad (19) has layer board (20), the left end intermediate position fixed mounting of layer board (20) has second hydraulic telescoping rod (21), the left side surface fixed mounting of second hydraulic telescoping rod (21) has second backup pad (22), the same spout has been seted up in the upper end left side correspondence of first backup pad (19), equal slider (26) of slidable mounting in the spout, first rectangular groove has all been seted up to the top equal fixed mounting second supporting shoe (27) of two slider (26) corresponding end of two second supporting shoe (27), two second axis of rotation (25) are all installed in the inside equal vertical rotation of two first rectangular grooves, the left side surface fixed mounting splint (28) of two second supporting shoe (27).
5. An adjustable fixed pipe rack according to claim 4, wherein: the vertical intermediate position in both ends all has seted up the second rectangle recess around second backup pad (22), and two first axis of rotation (23) are all installed in the inside vertical rotation of two second rectangle recesses, and control rod (24) have all been cup jointed to the surface of two first axis of rotation (23), and two control rods (24) keep away from first axis of rotation (23) one end and all fixedly cup joint on the surface of second axis of rotation (25).
6. An adjustable fixed pipe rack according to any one of claims 2 or 5, wherein: the control box (29) is electrically connected with the first hydraulic telescopic rod (11), the motor (9) and the second hydraulic telescopic rod (21).
CN202321932559.9U 2023-07-20 2023-07-20 Adjustable fixed pipe support Active CN220600685U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321932559.9U CN220600685U (en) 2023-07-20 2023-07-20 Adjustable fixed pipe support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321932559.9U CN220600685U (en) 2023-07-20 2023-07-20 Adjustable fixed pipe support

Publications (1)

Publication Number Publication Date
CN220600685U true CN220600685U (en) 2024-03-15

Family

ID=90173701

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321932559.9U Active CN220600685U (en) 2023-07-20 2023-07-20 Adjustable fixed pipe support

Country Status (1)

Country Link
CN (1) CN220600685U (en)

Similar Documents

Publication Publication Date Title
CN109599776A (en) A kind of electric equipment maintenance transport lifting device
CN117146157A (en) Electromechanical device lifting support convenient to install
CN214603983U (en) Coal mine electromechanical maintenance fixing device convenient to use
CN209169778U (en) A kind of electric equipment maintenance transport lifting device
CN109318188A (en) A kind of heavily loaded trolley docking platform of space five-freedom movement
CN108240783A (en) A kind of bay section docks adjustment mechanism
CN107631146A (en) A kind of roll adjustment lifts computer display
CN107830358B (en) Control device for electric adjusting bracket of accelerator
CN209351608U (en) A kind of multi-functional unmanned plane carry device
CN220600685U (en) Adjustable fixed pipe support
CN109304606A (en) Full-automatic regulation working plate
CN112503364A (en) Auxiliary device for information technology management
CN209444759U (en) A kind of high-performance reinforcement type axis transmission structure
CN109650074A (en) Component positions the integrally-regulated formula Frame assembling machine of plane
CN115636202A (en) Lift drive assembly of transfer robot for logistics
CN209793781U (en) Manipulator lifting and rotating connection structure
CN113803613A (en) Projecting device with adjustable education and training is used
CN209803349U (en) Adjusting mechanism of X-ray detection box
CN217802635U (en) Open rubber mixing mill with adjustable roller spacing
CN220366033U (en) Structure with adjustable electromechanical installation
CN110993260A (en) Hanging type rainproof transformer
CN117166793B (en) Cantilever beam column butt joint positioning device
CN220196231U (en) Thread rolling machine for producing high-strength bolts
CN216590675U (en) Exhibition room is with mutual show screen that has multi-angle adjustment mechanism
CN218810073U (en) Flexible link mechanism

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant