CN214811583U - Shock-proof frame of crusher - Google Patents
Shock-proof frame of crusher Download PDFInfo
- Publication number
- CN214811583U CN214811583U CN202120136627.5U CN202120136627U CN214811583U CN 214811583 U CN214811583 U CN 214811583U CN 202120136627 U CN202120136627 U CN 202120136627U CN 214811583 U CN214811583 U CN 214811583U
- Authority
- CN
- China
- Prior art keywords
- material receiving
- shock
- piston
- frame
- damping
- 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
Links
Images
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model belongs to the technical field of engineering machine tool, concretely relates to breaker antidetonation formula frame. This breaker antidetonation formula frame includes: a frame body; the material receiving supporting plate is arranged on the frame body; the material receiving cover plate is arranged above the material receiving supporting plate; the two ends of the telescopic shock absorbers are respectively connected with the material receiving supporting plate and the material receiving cover plate to adjust the distance between the material receiving supporting plate and the material receiving cover plate, so that the impact force received by the material receiving cover plate is buffered. This breaker antidetonation formula frame connects the material layer board and connects the material apron between set up the bumper shock absorber, is concertina movement through the bumper shock absorber to the regulation connects the material layer board and connects the interval of material apron, thereby realizes the buffering and connects the impact force that the material apron receives, avoids leading to the adapting unit of this frame not hard up because of the impact force, improves the stability of this frame when using, prolongs the life of this frame.
Description
Technical Field
The utility model belongs to the technical field of engineering machine tool, concretely relates to breaker antidetonation formula frame.
Background
The materials crushed by the crusher are put on the frame and then are conveyed by a belt arranged on the frame, and the crushed materials are discharged. In the design of current breaker, must have the interval between breaker's discharge gate and the frame, lead to the material when putting in to the frame, can not avoid producing certain impact force, and frame itself does not have corresponding damping device, and the adapting unit who leads to the frame easily under the long-time operating condition is not hard up, influences the stability and the life of frame.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a breaker antidetonation formula frame solves the technical problem that the breaker frame did not have damping device in the past.
In order to solve the technical problem, the utility model provides a breaker antidetonation formula frame, include:
a frame body;
the material receiving supporting plate is arranged on the frame body;
the material receiving cover plate is arranged above the material receiving supporting plate;
the two ends of the telescopic shock absorbers are respectively connected with the material receiving supporting plate and the material receiving cover plate to adjust the distance between the material receiving supporting plate and the material receiving cover plate, so that the impact force received by the material receiving cover plate is buffered.
Further, connect the material layer board and connect the mounting structure of material apron and bumper shock absorber to be:
connect the material apron to be close to the one side of connecing the material layer board and open and to have the several mounting groove, the upper end of bumper shock absorber is connected with the tank bottom of mounting groove through first connecting block, the lower extreme of bumper shock absorber is connected with connecing the material layer board through the second connecting block.
Further, the shock absorber comprises a shock absorption box, a connecting rod, a piston and a telescopic first shock absorption mechanism; wherein
The piston and the first damping mechanism are both arranged in the damping box, and two ends of the first damping mechanism are respectively arranged on the inner bottom wall of the damping box and the piston;
the lower end of the connecting rod is inserted into a damping box and connected with the piston;
the upper end of connecting rod is connected with first connecting block, the lower extreme and the second connecting block of damper box are connected.
Further, the first shock absorption mechanism comprises a protection component and a shock absorption spring;
the two ends of the protection component are respectively connected with the inner bottom wall of the shock absorption box and the piston, and the protection component can stretch out and draw back;
damping spring sets up in protection component, just damping spring's both ends respectively with the interior diapire and the piston butt of surge tank.
Furthermore, the protection component comprises a protection sleeve, a plurality of guide rods and guide holes matched with the guide rods;
the lower end of the protective sleeve is arranged on the inner bottom wall of the shock absorption box, and a plurality of guide holes are formed in the circumferential direction of the upper end of the protective sleeve;
the upper end of each guide rod is arranged on the piston, and the lower end of each guide rod is inserted into the corresponding guide hole;
the damping spring is positioned in the protective sleeve, and the guide rods are arranged on the outer side of the damping spring.
Furthermore, a second damping mechanism is arranged at the upper end of the piston to assist the first damping mechanism in buffering impact force transmitted by the connecting rod.
Further, the second damping mechanism comprises a valve seat, a normally through hole, an opening and closing hole and a valve plate; wherein
The valve seat is fixedly arranged in the shock absorption box, and the lower end of the connecting rod penetrates through the valve seat to be connected with the piston;
the valve seat divides an inner cavity of the shock absorption box above the piston into an extrusion cavity and a buffer cavity, oil is filled in the buffer cavity, and the extrusion cavity is filled with the oil;
the normally-through hole and the opening-closing hole are both formed in the valve seat and are communicated with the extrusion cavity and the buffer cavity;
the valve block sets up on the disk seat, and is located the cushion chamber to the fluid of restriction cushion chamber gets into the extrusion chamber from opening and shutting the hole.
Furthermore, a sliding cover is arranged at the position, located on the first connecting block and the shock absorption box, of the connecting rod, and the shock absorption box is arranged in the sliding cover in a sliding mode.
The beneficial effects of the utility model are that, the utility model discloses a breaker antidetonation formula frame is connecing the material layer board and is connecing the material apron between set up the bumper shock absorber, is concertina movement through the bumper shock absorber to adjust and connect the material layer board and connect the interval of material apron, thereby realize the buffering and connect the impact force that the material apron receives, avoid leading to the adapting unit of this frame not hard up because of the impact force, improve the stability of this frame when using, prolong the life of this frame.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of a preferred embodiment of the shock resistant frame of the crusher of the present invention;
FIG. 2 is a schematic structural view of a preferred embodiment of the shock absorber mounted on the shock resistant frame of the crusher of the present invention;
figure 3 is a schematic structural view of a preferred embodiment of the shock absorber of the present invention.
In the figure:
the frame comprises a frame body 1, a material receiving supporting plate 2, a material receiving cover plate 3 and a mounting groove 4;
the damping device comprises a damper 5, a damping box 51, a connecting rod 52, a piston 53, a first damping mechanism 54, a protection component 541, a protection sleeve 5411, a guide rod 5412, a guide hole 5413, a damping spring 542, a second damping mechanism 55, a valve seat 551, a constant through hole 552, an opening and closing hole 553, a valve plate 554 and oil 555;
a first connecting block 6, a second connecting block 7 and a sliding cover 8;
extrusion chamber M, cushion chamber N.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 1, the anti-vibration frame of the crusher of the present embodiment includes: the frame comprises a frame body 1, a material receiving supporting plate 2, a material receiving cover plate 3 and a plurality of shock absorbers 5; wherein, the material receiving supporting plate 2 is arranged on the frame body 1; the material receiving cover plate 3 is arranged above the material receiving supporting plate 2; the shock absorber 5 can do telescopic motion, and the upper end and the lower end of the shock absorber 5 are respectively connected with the material receiving supporting plate 2 and the material receiving cover plate 3 so as to adjust the distance between the material receiving supporting plate 2 and the material receiving cover plate 3 and buffer the impact force received by the material receiving cover plate 3. Set up bumper shock absorber 5 between connecing material layer board 2 and connecing material apron 3, do concertina movement through bumper shock absorber 5 to the regulation connects material layer board 2 and connects the interval of material apron 3, thereby realize the buffering and connect the impact force that material apron 3 received, avoid leading to the adapting unit of this frame not hard up because of the impact force, improve the stability of this frame when using, prolong the life of this frame.
As shown in fig. 2, in this embodiment, specifically, the mounting structure of the receiving supporting plate 2, the receiving cover plate 3 and the damper 5 is:
connect material apron 3 to be close to one side of connecing material layer board 2 and open and to have several mounting groove 4, the tank bottom of the upper end of bumper shock absorber 5 through first connecting block 6 and mounting groove 4 is connected, the lower extreme of bumper shock absorber 5 is connected with connecing material layer board 2 through second connecting block 7. The first connecting block 6 and the second connecting block 7 are detachably arranged on the material receiving supporting plate 2 or the material receiving cover plate 3, so that the shock absorber 5 is detachably arranged between the material receiving supporting plate 2 and the material receiving cover plate 3, and the shock absorber 5 is conveniently and quickly mounted and dismounted; meanwhile, the position of the shock absorber 5 on the material receiving supporting plate 2 can be adjusted, so that the impact force on each position of the material receiving supporting plate 2 can be balanced conveniently.
As shown in fig. 3, in the present embodiment, specifically, the shock absorber 5 includes a shock absorbing box 51, a connecting rod 52, a piston 53, and a retractable first shock absorbing mechanism 54; wherein, the piston 53 and the first damping mechanism 54 are both arranged in the damping box 51, and two ends of the first damping mechanism 54 are respectively arranged on the inner bottom wall of the damping box 51 and the piston 53; the lower end of the connecting rod 52 is inserted into the shock absorption box 51 and connected with the piston 53; the upper end of the connecting rod 52 is connected with the first connecting block 6, and the lower end of the damper box 51 is connected with the second connecting block 7. When the material receiving cover plate 3 is impacted, the impact force enables the material receiving cover plate 3 to extrude the connecting rod 52 to move towards the material receiving supporting plate 2, so that the first damping mechanism 54 acts, the impact force borne by the material receiving cover plate 3 is buffered through the expansion of the first damping mechanism 54, the impact force is reduced, and the impact force is transmitted to the material receiving supporting plate 2, so that the shock-resistant frame of the crusher is protected.
As shown in fig. 3, in the present embodiment, specifically, the first damper mechanism 54 includes a guard assembly 541 and a damper spring 542; wherein, two ends of the protection component 541 are respectively connected with the inner bottom wall of the damper box 51 and the piston 53, and the protection component 541 can do telescopic motion; the damper spring 542 is disposed inside the shield member 541, and both ends of the damper spring 542 are abutted against the inner bottom wall of the damper box 51 and the piston 53, respectively. The flexible so that first damper 54 realizes scalable through damping spring 542 to adjust the interval of piston 53 and the interior diapire of surge tank 51, rethread protection component 541 protects damping spring 542, and when damping spring 542 compressed the elastic deformation that takes place, protection component 541 provided the assurance to the stability of being connected with damping spring 542, prevented that damping spring 542 from appearing the phenomenon of off tracking at the in-process that uses.
As shown in fig. 3, in this embodiment, in particular, the protective assembly 541 includes a protective cover 5411, a plurality of guide rods 5412, and guide holes 5413 matched with the guide rods 5412; the lower end of the protective sleeve 5411 is arranged on the inner bottom wall of the shock absorption box 51, and the upper end of the protective sleeve 5411 is circumferentially provided with a plurality of guide holes 5413; the upper end of each guide rod 5412 is arranged on the piston 53, and the lower end of each guide rod 5412 is inserted into the corresponding guide hole 5413; the damper springs 542 are located inside the protection cover 5411, and the respective guide rods 5412 are disposed outside the damper springs 542. When the damping spring 542 extends, each guide rod 5412 slides in the guide hole 5413, so that the protective sleeve 5411 can extend and retract, and the damping spring 542 is protected by matching with the damping spring 542 during extension and retraction, and the damping spring 542 is prevented from deviating.
As shown in fig. 3, in the present embodiment, it is preferable that the upper end of the piston 53 is provided with a second damper mechanism 55 to assist the first damper mechanism 54 in damping the impact force transmitted by the connecting rod 52. Through first damper 54 and second damper 55 cooperate, the double buffering impact force effectively improves the shock attenuation effect.
As shown in fig. 3, in the present embodiment, specifically, the second damper mechanism 55 includes a valve seat 551, a constant-velocity hole 552, an opening-closing hole 553, and a valve sheet 554; wherein, the valve seat 551 is fixedly arranged in the shock absorption box 51, the lower end of the connecting rod 52 passes through the valve seat 551 and is connected with the piston 53; the valve seat 551 divides an inner cavity of the shock absorption box 51 above the piston 53 into an extrusion cavity M and a buffer cavity N, part of volume in the buffer cavity N is filled with oil 555, and the extrusion cavity M is filled with the oil 555; the normally through hole 552 and the opening and closing hole 553 are both arranged on the valve seat 551, and the normally through hole 552 and the opening and closing hole 553 are both communicated with the extrusion cavity M and the buffer cavity N; the valve sheet 554 is disposed on the valve seat 551 and located in the buffer chamber N to restrict the oil 555 in the buffer chamber N from entering the extrusion chamber M through the opening and closing hole 553. Under the normal state, the material receiving cover plate 3 is not impacted, and a part of oil 555 is filled in the buffer cavity N; when the connecting rod 52 is pressed, the connecting rod 52 drives the piston 53 to move towards the inner bottom wall of the shock absorption box 51, the volume of the extrusion cavity M is increased, the valve plate 554 covers the opening and closing hole 553, and the oil 555 in the buffer cavity N can only enter the extrusion cavity M from the normally open hole 552; when the connecting rod 52 drives the piston 53 to return without pressing, oil 555 in the extrusion cavity M passes through the opening and closing hole 553 to flush the valve plate 554 to enter the buffer cavity N, and meanwhile, the oil 555 in the extrusion cavity M passes through the normal through hole 552 to enter the buffer cavity N, the return resistance of the connecting rod 52 is increased, the speed of the connecting rod 52 driving the material receiving cover plate 3 to move upwards is reduced, so that the material receiving support plate 2 and the frame body 1 are protected, and the looseness of components on the frame body 1 is avoided.
As shown in fig. 3, in the present embodiment, it is preferable that a slide cover 8 is provided at a position where the link 52 is located between the first link block 6 and the damper box 51, and the damper box 51 is slidably provided in the slide cover 8. Namely, the sliding cover 8 is an inverted U-shaped cover structure, the connecting rod 52 is arranged at the top of the sliding cover 8 in a penetrating manner, and the bottom of the sliding cover 8 is provided with a flanging which is connected with the outer side wall of the damper box 51 in a sliding manner; the sharing connecting rod 52 bears the gravity of the material receiving cover plate 3 and protects the connecting rod 52.
To sum up use the utility model discloses a breaker antidetonation formula frame is connecing the material layer board and is connecing the material to set up the bumper shock absorber between the apron, is concertina movement through the bumper shock absorber to adjust and connect the material layer board and connect the interval of material apron, thereby realize the buffering and connect the impact force that the material apron receives, avoid leading to the adapting unit of this frame not hard up because of the impact force, improve the stability of this frame when using, prolong the life of this frame. The first connecting block and the second connecting block are detachably arranged on the material receiving supporting plate or the material receiving cover plate, so that the shock absorber is detachably arranged between the material receiving supporting plate and the material receiving cover plate, and the shock absorber is convenient and quick to install and disassemble; meanwhile, the position of the shock absorber on the material receiving supporting plate can be adjusted, so that the impact force on each part of the material receiving supporting plate can be balanced conveniently. Through damping spring's flexible so that first damper realizes scalable to the interval of the inner diapire of adjusting piston and surge tank, rethread protection component protection damping spring when damping spring is compressed and takes place elastic deformation, protection component provides the assurance to the connection stability with damping spring, prevents that damping spring from appearing the phenomenon of off tracking at the in-process that uses. Under a normal state, the material receiving cover plate is not impacted, and part of oil liquid is filled in the buffer cavity; when the connecting rod is pressed, the connecting rod drives the piston to move towards the inner bottom wall of the shock absorption box, the volume of the extrusion cavity is increased, the valve plate covers the opening and closing hole, and oil in the buffer cavity can only enter the extrusion cavity from the normally open hole; when the connecting rod exempted from to press and drives the piston return, the fluid of extrusion intracavity passed the hole that opens and shuts and breaks open the valve block and get into the cushion chamber, and simultaneously, the fluid of extrusion intracavity passes normal through-hole and gets into the cushion chamber, and the return resistance of connecting rod increases, realizes slowing down the speed that the connecting rod drove and connect the material apron to shift up to the protection connects material layer board and frame body, avoids the part on the frame body not hard up.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or component to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A crusher antidetonation formula frame which characterized in that includes:
a frame body;
the material receiving supporting plate is arranged on the frame body;
the material receiving cover plate is arranged above the material receiving supporting plate;
the two ends of the telescopic shock absorbers are respectively connected with the material receiving supporting plate and the material receiving cover plate to adjust the distance between the material receiving supporting plate and the material receiving cover plate, so that the impact force received by the material receiving cover plate is buffered.
2. A shock-resistant frame for a crusher as claimed in claim 1,
connect the material layer board and connect the mounting structure of material apron and bumper shock absorber to be:
connect the material apron to be close to the one side of connecing the material layer board and open and to have the several mounting groove, the upper end of bumper shock absorber is connected with the tank bottom of mounting groove through first connecting block, the lower extreme of bumper shock absorber is connected with connecing the material layer board through the second connecting block.
3. A shock-resistant frame for a crusher as claimed in claim 2,
the shock absorber comprises a shock absorption box, a connecting rod, a piston and a telescopic first shock absorption mechanism; wherein
The piston and the first damping mechanism are both arranged in the damping box, and two ends of the first damping mechanism are respectively arranged on the inner bottom wall of the damping box and the piston;
the lower end of the connecting rod is inserted into a damping box and connected with the piston;
the upper end of connecting rod is connected with first connecting block, the lower extreme and the second connecting block of damper box are connected.
4. A shock-resistant frame for a crusher as claimed in claim 3,
the first damping mechanism comprises a protection component and a damping spring;
the two ends of the protection component are respectively connected with the inner bottom wall of the shock absorption box and the piston, and the protection component can stretch out and draw back;
damping spring sets up in protection component, just damping spring's both ends respectively with the interior diapire and the piston butt of surge tank.
5. A shock-resistant frame for a crusher as claimed in claim 4,
the protection component comprises a protection sleeve, a plurality of guide rods and guide holes matched with the guide rods;
the lower end of the protective sleeve is arranged on the inner bottom wall of the shock absorption box, and a plurality of guide holes are formed in the circumferential direction of the upper end of the protective sleeve;
the upper end of each guide rod is arranged on the piston, and the lower end of each guide rod is inserted into the corresponding guide hole;
the damping spring is positioned in the protective sleeve, and the guide rods are arranged on the outer side of the damping spring.
6. A shock-resistant frame for a crusher as claimed in claim 3,
and a second damping mechanism is arranged at the upper end of the piston to assist the first damping mechanism in buffering the impact force transmitted by the connecting rod.
7. A shock-resistant frame for a crusher as claimed in claim 6,
the second damping mechanism comprises a valve seat, a normally through hole, an opening and closing hole and a valve plate; wherein
The valve seat is fixedly arranged in the shock absorption box, and the lower end of the connecting rod penetrates through the valve seat to be connected with the piston;
the valve seat divides an inner cavity of the shock absorption box above the piston into an extrusion cavity and a buffer cavity, oil is filled in the buffer cavity, and the extrusion cavity is filled with the oil;
the normally-through hole and the opening-closing hole are both formed in the valve seat and are communicated with the extrusion cavity and the buffer cavity;
the valve block sets up on the disk seat, and is located the cushion chamber to the fluid of restriction cushion chamber gets into the extrusion chamber from opening and shutting the hole.
8. A shock-resistant frame for a crusher as claimed in claim 3,
the connecting rod is provided with a sliding cover at the position of the first connecting block and the shock absorption box, and the shock absorption box is arranged in the sliding cover in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120136627.5U CN214811583U (en) | 2021-01-18 | 2021-01-18 | Shock-proof frame of crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120136627.5U CN214811583U (en) | 2021-01-18 | 2021-01-18 | Shock-proof frame of crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214811583U true CN214811583U (en) | 2021-11-23 |
Family
ID=78883046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120136627.5U Active CN214811583U (en) | 2021-01-18 | 2021-01-18 | Shock-proof frame of crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214811583U (en) |
-
2021
- 2021-01-18 CN CN202120136627.5U patent/CN214811583U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5936127B2 (en) | Vehicle height adjustment device | |
| JPS6214952A (en) | Impact type crusher | |
| CN209458337U (en) | A kind of electromechanical equipment damping device | |
| CN214811583U (en) | Shock-proof frame of crusher | |
| JP5702089B2 (en) | Oil damper | |
| CN111173884A (en) | Vibration suppression device of heading machine | |
| CN110836238A (en) | Hydraulic shock-absorbing device | |
| CN218293904U (en) | Low-noise axial flow fan for automobile test | |
| CN216343627U (en) | Shock absorber connecting rod buffer structure with guiding function | |
| CN214999008U (en) | Anti-seismic part for building machine electricity | |
| CN112211948B (en) | Electric cylinder with oil-gas auxiliary buffering structure | |
| CN117738596B (en) | Underground vibration buffer type drilling tool | |
| CN209228929U (en) | A kind of fixed car damping device | |
| CN220682483U (en) | Automobile front cross beam connecting support | |
| CN211231397U (en) | Mechanical shock-absorbing device | |
| CN221090484U (en) | Automobile fuel tank bracket with buffer structure | |
| CN220622579U (en) | Wear-resistant automobile shock absorber | |
| CN216000585U (en) | Linkage damping mechanism suitable for robot | |
| CN219317500U (en) | Rubber spring damping shock absorber | |
| US5121906A (en) | End damper for motor-vehicle shock absorber | |
| CN215793324U (en) | Vehicle-mounted child safety seat with buffer air bag | |
| CN218718399U (en) | Nitrogen spring with shock-absorbing function | |
| CN217512437U (en) | High-performance automobile precision hardware fitting | |
| CN216752769U (en) | Damper for lawn mower | |
| CN214146390U (en) | Automobile upper damping block assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |