CN112570062A - Energy-concerving and environment-protective type avoids not enough burning furnace ration crushing apparatus in advance - Google Patents
Energy-concerving and environment-protective type avoids not enough burning furnace ration crushing apparatus in advance Download PDFInfo
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- CN112570062A CN112570062A CN202011334437.0A CN202011334437A CN112570062A CN 112570062 A CN112570062 A CN 112570062A CN 202011334437 A CN202011334437 A CN 202011334437A CN 112570062 A CN112570062 A CN 112570062A
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- Prior art keywords
- fixedly connected
- rod
- limiting
- push rod
- sleeve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
- B02C1/04—Jaw crushers or pulverisers with single-acting jaws
- B02C1/043—Jaw crushers or pulverisers with single-acting jaws with cooperating single acting jaws
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
Abstract
The invention relates to the technical field of electric power, and discloses energy-saving and environment-friendly combustion furnace quantitative pre-crushing equipment capable of avoiding insufficient combustion, which comprises a support, wherein the outer side of the support is movably connected with a sleeve, the side surface of the sleeve is fixedly connected with a support rod, the inner side of the support rod is provided with a top block, the bottom of the support rod is fixedly connected with a top rod, and the outer side of the support is fixedly connected with a limiting rod; through the cooperation use of baffle and clamp plate, when the coal after the breakage is piled up a quantitative time, drop into the burning furnace automatically, form the effect of ration burning, avoided the waste of coal raw materials to a certain extent, still avoided economy to receive the loss.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to energy-saving and environment-friendly combustion furnace quantitative pre-crushing equipment capable of avoiding insufficient combustion.
Background
Electric power is energy using electric energy as power, and with the progress of society and the development of science and technology, the demand of people for electric power is also continuously increased, and the production mode of electric power mainly comprises: thermal power generation, solar power generation, wind power generation, and the like; the thermal power generation is a power generation mode that heat energy generated by combustible materials during combustion is converted into electric energy through a power generation power device, Chinese coal resources are rich, coal also becomes a raw material most suitable for thermal power generation, and at present, when a coal combustion furnace works, insufficient combustion can be caused because the quantity of coal combusted at one time cannot be accurately controlled or the granularity of the coal is too large, so that the energy conversion efficiency is greatly influenced, the waste of the raw material can be caused, and the economy is greatly influenced to a certain extent.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the energy-saving and environment-friendly quantitative pre-crushing equipment for the combustion furnace, which can avoid insufficient combustion, has the advantages of pre-crushing and quantitative combustion, and solves the problem that the energy conversion efficiency is influenced because the one-time combustion amount cannot be controlled or the granularity is too large.
(II) technical scheme
In order to realize the purposes of pre-crushing and quantitative combustion, the invention provides the following technical scheme: an energy-saving and environment-friendly combustion furnace quantitative pre-crushing device capable of avoiding insufficient combustion comprises a support column, wherein the outer side of the support column is movably connected with a sleeve, the side surface of the sleeve is fixedly connected with a support rod, the inner side of the support rod is provided with a top block, the bottom of the support rod is fixedly connected with a top rod, the outer side of the support column is fixedly connected with a limiting rod, the inner part of the support column is movably connected with an upper push rod, the inner part of the support column is movably connected with a lower push rod, the side surface of the upper push rod is hinged with a clamping plate, the outer side of the bottom of the support column is provided with a driving cam, the front surface of the driving cam is fixedly connected with a rotary table, the outer side of the rotary table is movably connected with a belt, the inner, and a contact is arranged on the side surface of the limiting column.
Preferably, the sleeve is provided with two sets ofly, and every group contains the sleeve of two the same specifications, and two sets of sleeves are swing joint respectively in the outside of controlling two pillars, branch is provided with two, respectively with control two sets of corresponding and relative settings of sleeve, with a set of branch fixed connection in two telescopic sides, the kicking block is provided with two sets ofly, and every group contains the kicking block that two specifications are the same, and two sets of kicking blocks are corresponding with controlling two branches, with two kicking block fixed connection in the inboard of branch.
Preferably, the push up rod is provided with two to the midpoint of two pillars is the inside of relative position swing joint about two pillars as the center, the lower push rod is provided with two, and the midpoint of using two pillars is the inside of relative position swing joint about two pillars and corresponding with two push up rods as the center, splint are provided with two, and are corresponding with about with two push up rods and lower push rod respectively, and the upper and lower both ends of splint of same group are articulated with push up rod and lower push rod respectively, and under the initial condition, two splint are inclination.
Preferably, the two ejector rods are fixedly connected to the bottoms of the left and right support rods at symmetrical positions by taking the middle points of the two support columns as centers, the two limiting rods are fixedly connected to the side surfaces of the left and right support columns at symmetrical positions by taking the middle points of the two support columns as centers and correspond to the left and right ejector rods, and the ejector rods in the same group penetrate through the limiting rods; the driving cams are arranged in two numbers and are arranged on the outer sides of the left and right supporting columns in horizontal and opposite positions, and the ejector rods are arranged on the motion trail of the driving cams.
Preferably, the two rotating discs are fixedly connected to the front surfaces of the left driving cam and the right driving cam respectively, and the two rotating discs are driven by a belt; the two limiting columns are respectively arranged inside the left supporting column and the right supporting column, the two pressing plates are respectively arranged outside the left limiting column and the right limiting column in opposite positions, the two limiting springs are arranged, the tops of the two limiting springs are respectively and fixedly connected to the bottoms of the left pressing plate and the right pressing plate, and the bottoms of the two limiting springs are respectively and fixedly connected to the tops of the left limiting column and the right limiting column; the two baffle plates are hinged to the inner sides of the left pressing plate and the right pressing plate at opposite positions respectively, hinged points of the two baffle plates are driven by a driving motor, the two contacts are arranged on movement tracks of the left pressing plate and the right pressing plate respectively, and the contacts are electrically connected with the baffle plates.
(III) advantageous effects
Compared with the prior art, the invention provides the energy-saving and environment-friendly combustion furnace quantitative pre-crushing equipment capable of avoiding insufficient combustion, and the equipment has the following beneficial effects:
1. the energy-saving and environment-friendly combustion furnace quantitative pre-crushing equipment capable of avoiding insufficient combustion can crush coal raw materials before combustion by matching the clamping plate and the top block, ensures good granularity, ensures full combustion and improves energy conversion efficiency;
2. this energy-concerving and environment-protective type avoids burning insufficient combustion furnace ration crushing apparatus in advance uses through the cooperation of baffle and clamp plate, and when the coal after the breakage piles up a quantitative time, drops into the combustion furnace automatically in, forms the effect of ration burning, has avoided the waste of coal raw materials to a certain extent, has still avoided economy to receive the loss.
Drawings
FIG. 1 is a schematic view of the structures of the present invention;
FIG. 2 is a schematic diagram of the movement traces of the structures in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
fig. 4 is a schematic diagram of the motion trajectory of each structure in fig. 3 according to the present invention.
In the figure: 1. a pillar; 2. a sleeve; 3. a strut; 4. a top block; 5. a top rod; 6. a limiting rod; 7. a push rod is arranged; 8. a lower push rod; 9. a splint; 10. a drive cam; 11. a turntable; 12. a belt; 13. a limiting column; 14. pressing a plate; 15. a limiting spring; 16. a baffle plate; 17. and (4) a contact.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an energy-saving and environment-friendly combustion furnace quantitative pre-crushing device capable of avoiding insufficient combustion comprises a support column 1, wherein the outer side of the support column 1 is movably connected with a sleeve 2, the side surface of the sleeve 2 is fixedly connected with a support rod 3, the inner side of the support rod 3 is provided with two groups of top blocks 4, the sleeve 2 comprises two sleeves 2 with the same specification, the two groups of sleeves 2 are respectively and movably connected with the outer sides of a left support column 1 and a right support column 1, the two groups of support rods 3 are respectively corresponding to and oppositely arranged with the left and right groups of sleeves 2, the support rod 3 of the same group is fixedly connected with the side surfaces of the two sleeves 2, the top blocks 4 are provided with two groups, each group comprises two top blocks 4 with the same specification, the two groups of top blocks 4;
the bottom of the supporting rod 3 is fixedly connected with an ejector rod 5, the outer side of the supporting column 1 is fixedly connected with a limiting rod 6, the inner part of the supporting column 1 is movably connected with an upper push rod 7, the inner part of the supporting column 1 is movably connected with a lower push rod 8, the side surface of the upper push rod 7 is hinged with a clamping plate 9, the number of the upper push rods 7 is two, the middle points of the two supporting columns 1 are used as centers and are movably connected with the inner parts of the left supporting column 1 and the right supporting column 1 in a relative position mode and correspond to the two upper push rods 7, the number of the clamping plates 9 is two, the two clamping plates correspond to the left upper push rod 7 and the right push rod 8 respectively, the upper end and the lower end of the same group of clamping plates 9 are hinged with the upper push rod 7 and the lower push rod 8 respectively;
the outer side of the bottom of the strut 1 is provided with a driving cam 10, the number of the ejector rods 5 is two, the two ejector rods are fixedly connected to the bottoms of the left and right support rods 3 in a symmetrical position by taking the middle point of the two struts 1 as the center, the two limiting rods 6 are arranged, the two ejector rods 5 are fixedly connected to the side surfaces of the left and right strut 1 in a symmetrical position by taking the middle point of the two struts 1 as the center and correspond to the left and right ejector rods 5, and the ejector rods 5 in the same group penetrate through; two driving cams 10 are arranged on the outer sides of the left and right struts 1 in a horizontal and opposite position, and the mandril 5 is arranged on the motion track of the driving cams 10;
the front surface of the driving cam 10 is fixedly connected with a rotary table 11, the outer side of the rotary table 11 is movably connected with a belt 12, a limiting column 13 is arranged inside the strut 1, the outer side of the limiting column 13 is movably connected with a pressing plate 14, the bottom of the pressing plate 14 is provided with a limiting spring 15, the side surface of the pressing plate 14 is hinged with a baffle 16, and the side surface of the limiting column 13 is provided with a contact 17; the two turntables 11 are respectively and fixedly connected to the front surfaces of the left driving cam 10 and the right driving cam 10, and the two turntables 11 are driven by a belt 12;
the two limiting columns 13 are respectively arranged inside the left and right supporting columns 1, the two pressing plates 14 are respectively arranged outside the left and right limiting columns 13 at opposite positions, the two limiting springs 15 are arranged, the tops of the two limiting springs 15 are respectively and fixedly connected to the bottoms of the left and right pressing plates 14, and the bottoms of the two limiting springs 15 are respectively and fixedly connected to the tops of the left and right limiting columns 13; the two baffle plates 16 are respectively hinged on the inner sides of the left and right pressure plates 14 at opposite positions, the hinged point of the two baffle plates 16 is driven by a driving motor, the two contacts 17 are respectively arranged on the movement tracks of the left and right pressure plates 14, and the contacts 17 are electrically connected with the baffle plates 16.
When the coal feeding device is used, the driving cams 10 are started, coal raw materials are thrown down from the upper part of the clamping plate 9, two driving cams 10 are arranged and are arranged at the outer sides of the left and right supporting columns 1 in a horizontal and opposite position, two rotating discs 11 are arranged and are respectively fixedly connected to the front sides of the left and right driving cams 10, the two rotating discs 11 are driven by a belt 12, the two driving cams 10 synchronously rotate in the same direction, two limiting rods 6 are arranged, the two limiting rods are fixedly connected to the side surfaces of the left and right supporting columns 1 in a symmetrical position by taking the middle points of the two supporting columns 1 as the center and correspond to the left and right ejector rods 5, the ejector rods 5 in the same group penetrate through the limiting rods 6, and the two ejector rods 5 are fixedly connected to the bottoms of the left and right supporting rods 3 in a symmetrical;
the ejector rods 5 are arranged on the motion trail of the driving cam 10, along with the rotation of the driving cam 10, the left ejector rod 5 and the right ejector rod 5 start to vertically reciprocate, namely the left strut 3 and the right strut 3 start to vertically reciprocate, because the sleeves 2 are provided with two groups, each group comprises two sleeves 2 with the same specification, the two groups of sleeves 2 are respectively movably connected to the outer sides of the left strut 1 and the right strut 1, the two groups of struts 3 are respectively corresponding to the left sleeve 2 and the right sleeve 2 and are oppositely arranged, the struts 3 of the same group are fixedly connected to the side surfaces of the two sleeves 2, the two groups of ejector blocks 4 are arranged, each group comprises two ejector blocks 4 with the same specification, the two groups of ejector blocks 4 correspond to the left strut 3 and the right strut 3;
the two upper push rods 7 are movably connected inside the left and right support columns 1 in a relative position by taking the middle point of the two support columns 1 as the center, the two lower push rods 8 are movably connected inside the left and right support columns 1 in a relative position by taking the middle point of the two support columns 1 as the center and correspond to the two upper push rods 7, the two clamping plates 9 are respectively corresponding to the left and right upper push rods 7 and the lower push rods 8, the upper end and the lower end of the same group of clamping plates 9 are respectively hinged with the upper push rods 7 and the lower push rods 8, the two clamping plates 9 are inclined in an initial state, and when the left and right support columns 3 reciprocate up and down, the two clamping plates 9 crush the falling coal raw materials in a reciprocating manner;
the crushed coal falls above two baffles 16, because two limiting columns 13 are arranged and are respectively arranged inside the left and right supporting columns 1, two pressure plates 14 are arranged and are respectively arranged at the outer sides of the left and right limiting columns 13 at opposite positions, two limiting springs 15 are arranged, the tops of the two limiting springs 15 are respectively and fixedly connected with the bottoms of the left and right pressure plates 14, the bottoms of the two limiting springs 15 are respectively and fixedly connected with the tops of the left and right limiting columns 13, the pressure plates 14 start to move downwards after bearing the weight of the coal, because two baffles 16 are arranged and are respectively hinged at the inner sides of the left and right pressure plates 14 at opposite positions, the hinged points of the two baffles 16 are driven by a driving motor, two contacts 17 are arranged and are respectively arranged on the movement tracks of the left and right pressure plates 14, when a certain amount of coal is collected, the pressure plates 14 are contacted with the contacts 17 after moving, because the contact 17 is electrically connected with the baffles 16, the left baffle 16 and the right baffle 16 start to rotate in the direction away from the clamping plate 9, and crushed and quantitative coal is released for subsequent combustion;
please refer to fig. 1 and fig. 2 for the above process.
In summary, the energy-saving and environment-friendly combustion furnace quantitative pre-crushing equipment capable of avoiding insufficient combustion can crush coal raw materials before combustion through the matching use of the clamping plate 9 and the top block 4, so that good granularity is ensured, full combustion is ensured, and the energy conversion efficiency is improved; through the cooperation of baffle 16 and clamp plate 14 and use, when the coal after the breakage is piled up a quantitative time, automatic input forms the effect of ration burning in the burning furnace, has avoided the waste of coal raw materials to a certain extent, has still avoided economy to receive the loss.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an energy-concerving and environment-protective type avoids insufficient burning furnace ration pre-crushing equipment, includes pillar (1), its characterized in that: the outer side of the strut (1) is movably connected with a sleeve (2), the side face of the sleeve (2) is fixedly connected with a support rod (3), the inner side of the support rod (3) is provided with a top block (4), the bottom of the support rod (3) is fixedly connected with a top rod (5), the outer side of the strut (1) is fixedly connected with a limiting rod (6), the inner side of the strut (1) is movably connected with an upper push rod (7), the inner side of the strut (1) is movably connected with a lower push rod (8), the side face of the upper push rod (7) is hinged with a clamping plate (9), the outer side of the bottom of the strut (1) is provided with a driving cam (10), the front of the driving cam (10) is fixedly connected with a turntable (11), the outer side of the turntable (11) is movably connected with a belt (12), the inner side of the strut (1) is provided with a limiting column, the bottom of clamp plate (14) is provided with spacing spring (15), the side of clamp plate (14) articulates there is baffle (16), the side of spacing post (13) is provided with contact (17).
2. The energy-saving and environment-friendly combustion furnace quantitative pre-crushing device capable of avoiding insufficient combustion as claimed in claim 1, is characterized in that: sleeve (2) are provided with two sets ofly, and every group contains sleeve (2) of two same specifications, and two sets of sleeve (2) be swing joint respectively in the outside of controlling two pillar (1), branch (3) are provided with two, and corresponding and relative setting of two sets of sleeve (2) about with respectively, and with the side of a set of branch (3) fixed connection at two sleeve (2), kicking block (4) are provided with two sets ofly, and every group contains two kicking blocks (4) that the specification is the same, and two sets of kicking blocks (4) are corresponding with controlling two branch (3), with the inboard of a set of two kicking blocks (4) fixed connection at branch (3).
3. The energy-saving and environment-friendly combustion furnace quantitative pre-crushing device capable of avoiding insufficient combustion as claimed in claim 1, is characterized in that: go up push rod (7) and be provided with two to the midpoint of two pillar (1) is the inside of relative position swing joint about two pillar (1) as the center, lower push rod (8) are provided with two, and the midpoint of using two pillar (1) is relative position swing joint about the inside of two pillar (1) and corresponding with two upper push rod (7) as the center, splint (9) are provided with two, and are corresponding with about two upper push rod (7) and lower push rod (8) respectively, and the upper and lower both ends of splint 9 of same group are articulated with upper push rod (7) and lower push rod (8) respectively, and under the initial condition, two splint (9) are inclination.
4. The energy-saving and environment-friendly combustion furnace quantitative pre-crushing device capable of avoiding insufficient combustion as claimed in claim 1, is characterized in that: the two ejector rods (5) are fixedly connected to the bottoms of the left support rod and the right support rod (3) in a symmetrical position by taking the middle points of the two support rods (1) as the center, the two limiting rods (6) are arranged, the two ejector rods (5) are fixedly connected to the side surfaces of the left support rod and the right support rod (1) in a symmetrical position by taking the middle points of the two support rods (1) as the center and correspond to the left ejector rod and the right ejector rod (5), and the ejector rods (5) in the same group penetrate through the limiting rods (6); the two driving cams (10) are arranged on the outer sides of the left and right supporting columns (1) in horizontal and opposite positions, and the ejector rods (5) are arranged on the motion track of the driving cams (10).
5. The energy-saving and environment-friendly combustion furnace quantitative pre-crushing device capable of avoiding insufficient combustion as claimed in claim 1, is characterized in that: the two turntables (11) are respectively and fixedly connected to the front surfaces of the left driving cam and the right driving cam (10), and the two turntables (11) are driven by a belt (12); the two limiting columns (13) are respectively arranged inside the left and right supporting columns (1), the two pressing plates (14) are respectively arranged outside the left and right limiting columns (13) at opposite positions, the two limiting springs (15) are arranged, the tops of the two limiting springs (15) are respectively and fixedly connected to the bottoms of the left and right pressing plates (14), and the bottoms of the two limiting springs are respectively and fixedly connected to the tops of the left and right limiting columns (13); the two baffle plates (16) are respectively hinged to the inner sides of the left pressing plate and the right pressing plate (14) at opposite positions, hinged points of the two baffle plates (16) are driven by a driving motor, the two contacts (17) are respectively arranged on the motion tracks of the left pressing plate and the right pressing plate (14), and the contacts (17) are electrically connected with the baffle plates (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011334437.0A CN112570062A (en) | 2020-11-24 | 2020-11-24 | Energy-concerving and environment-protective type avoids not enough burning furnace ration crushing apparatus in advance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011334437.0A CN112570062A (en) | 2020-11-24 | 2020-11-24 | Energy-concerving and environment-protective type avoids not enough burning furnace ration crushing apparatus in advance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112570062A true CN112570062A (en) | 2021-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011334437.0A Withdrawn CN112570062A (en) | 2020-11-24 | 2020-11-24 | Energy-concerving and environment-protective type avoids not enough burning furnace ration crushing apparatus in advance |
Country Status (1)
| Country | Link |
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| CN (1) | CN112570062A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101019A (en) * | 2021-04-01 | 2021-07-13 | 吉林大学 | Bone grafting auxiliary device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1607611A1 (en) * | 1966-04-20 | 1970-06-04 | Voest Ag | Jaw crusher with eccentric drive |
| CN108607633A (en) * | 2018-04-26 | 2018-10-02 | 温淑影 | A kind of rare earth waste recovery processing waste material disintegrating apparatus |
| CN208482513U (en) * | 2018-07-26 | 2019-02-12 | 华赣景观建设集团股份有限公司 | A kind of internet detection device for Solid Waste Treatment |
| CN209188888U (en) * | 2018-11-19 | 2019-08-02 | 山东嘉丰海洋生物科技有限公司 | A kind of microbial-bacterial fertilizer dries pulverizing device |
| CN210700275U (en) * | 2019-08-30 | 2020-06-09 | 长江大学 | Lithium battery electrode raw material treatment equipment |
-
2020
- 2020-11-24 CN CN202011334437.0A patent/CN112570062A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1607611A1 (en) * | 1966-04-20 | 1970-06-04 | Voest Ag | Jaw crusher with eccentric drive |
| CN108607633A (en) * | 2018-04-26 | 2018-10-02 | 温淑影 | A kind of rare earth waste recovery processing waste material disintegrating apparatus |
| CN208482513U (en) * | 2018-07-26 | 2019-02-12 | 华赣景观建设集团股份有限公司 | A kind of internet detection device for Solid Waste Treatment |
| CN209188888U (en) * | 2018-11-19 | 2019-08-02 | 山东嘉丰海洋生物科技有限公司 | A kind of microbial-bacterial fertilizer dries pulverizing device |
| CN210700275U (en) * | 2019-08-30 | 2020-06-09 | 长江大学 | Lithium battery electrode raw material treatment equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101019A (en) * | 2021-04-01 | 2021-07-13 | 吉林大学 | Bone grafting auxiliary device |
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Application publication date: 20210330 |
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