CN214102422U - Nursery stock high altitude trimming means - Google Patents
Nursery stock high altitude trimming means Download PDFInfo
- Publication number
- CN214102422U CN214102422U CN202023351678.4U CN202023351678U CN214102422U CN 214102422 U CN214102422 U CN 214102422U CN 202023351678 U CN202023351678 U CN 202023351678U CN 214102422 U CN214102422 U CN 214102422U
- Authority
- CN
- China
- Prior art keywords
- gear
- nursery stock
- clamping
- high altitude
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009966 trimming Methods 0.000 title claims abstract description 31
- 230000002457 bidirectional effect Effects 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000013138 pruning Methods 0.000 abstract description 15
- 238000009434 installation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 244000141353 Prunus domestica Species 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Landscapes
- Scissors And Nippers (AREA)
Abstract
The application relates to the field of nursery stock trimming means, especially relate to a nursery stock high altitude trimming means. The high-altitude pruning device for the nursery stocks comprises an installation part, wherein the installation part is provided with a clamping mechanism and a pruning mechanism, the clamping mechanism comprises two clamping pieces and a driving assembly, the two clamping pieces can be relatively close to and far away from the top end of the installation part, and the driving assembly is used for driving the two clamping pieces to relatively close to or far away from each other; the trimming mechanism comprises a saw blade and a power part for driving the saw blade to rotate, wherein the saw blade is adjacent to the clamping part. This application has the branch of being sawed off and is difficult for directly falling to injure the staff by a crashing object, has reduced the effect of the potential safety hazard when nursery stock high altitude is pruned.
Description
Technical Field
The application relates to the field of nursery stock trimming means, especially relate to a nursery stock high altitude trimming means.
Background
At present, nursery stocks are often required to be pruned in order to shape, improve better photosynthesis of the nursery stocks and the like. The nursery stock pruning can improve the ventilation and light transmission conditions of the tree crowns of the nursery stocks, balance nutrition, make the nursery stocks grow strongly, reduce the occurrence of plant diseases and insect pests and obviously improve the quality of the nursery stocks when the nursery stocks are out of the nursery. In the process of pruning the nursery stock, a nursery stock high-altitude pruning device is often needed to prune branches needing to be pruned at the top end of the nursery stock.
When the existing high-altitude pruning device for the nursery stocks is used for pruning branches at the tops of some nursery stocks, the branches can directly fall down from the high altitude after being sawed off, workers can be injured frequently, and potential safety hazards exist.
Aiming at the related technologies, the inventor thinks that the defect that the branches are easy to fall down directly after being sawed and hurt the workers exists.
Disclosure of Invention
In order to make the branch be difficult for directly dropping after being sawed off and injure staff by crashing, this application provides a nursery stock high altitude trimming device.
The application provides a nursery stock high altitude trimming means adopts following technical scheme:
the nursery stock high-altitude trimming device comprises a mounting piece, wherein a clamping mechanism and a trimming mechanism are arranged on the mounting piece, the clamping mechanism comprises two clamping pieces and a driving assembly, the two clamping pieces can be relatively close to and far away from the top end of the mounting piece, and the driving assembly is used for driving the two clamping pieces to relatively close to or far away from each other;
the trimming mechanism comprises a saw blade and a power piece for driving the saw blade to rotate, and the saw blade is adjacent to the clamping piece.
Through adopting above-mentioned technical scheme, when pruning the nursery stock, the operation installed part so that the branch of treating the pruning is located between two holders on installed part top, then two holders of drive assembly drive are close to each other and press from both sides tight branch, then the power part starts so that the saw bit rotates the saw branch of treating the pruning, because the branch is still by the holder centre gripping this moment to the branch of being sawed off is difficult for directly falling down and injures the staff by a crashing object, has reduced the potential safety hazard when the nursery stock high altitude is pruned.
Optionally, the driving assembly includes a bidirectional screw and two moving sleeves, the bidirectional screw includes a first screw section and a second screw section with opposite threads, the bidirectional screw is horizontally disposed on the mounting member, the number of the moving sleeves is two, one moving sleeve is threadedly sleeved on the first screw section, and the other moving sleeve is threadedly sleeved on the second screw section;
the mounting piece is provided with a first limiting part for limiting the moving sleeve so that the moving sleeve is driven to move along the length direction of the bidirectional screw;
one clamping piece is fixedly connected with one movable sleeve, and the other clamping piece is fixedly connected with the other movable sleeve.
Through adopting above-mentioned technical scheme, when two-way screw rod rotated, because two removal cover sets were established on two-way screw rod opposite first spiral shell section and second spiral shell section, so two removal covers can not move along the same direction, can move along opposite direction, so two removal covers can be corresponding when two-way screw rod rotates along the equidirectional not be close to or keep away from, two holders also can follow two removal covers and be close to each other or keep away from this moment to the holder can the centre gripping branch and unclamp the branch.
Optionally, the clamping mechanism further comprises a transmission assembly, the transmission assembly comprises a transmission rod, a first gear and a second gear, the transmission rod is vertically arranged on the mounting piece, and the lower end of the transmission rod is lower than the lower end of the mounting piece;
the first gear is fixedly sleeved on the end part of the transmission rod, the second gear is meshed with the first gear, and the second gear is fixedly sleeved on the end part of the bidirectional screw rod.
Through adopting above-mentioned technical scheme, first gear just can rotate when the transfer line rotates, and the second gear with first gear engagement also can rotate during first gear rotation, and two-way screw rod just can rotate when the second gear rotates, so the transfer line rotates alright drive two-way screw rod and rotate and then so that two holders centre gripping branches, because the lower extreme of transfer line is less than the lower extreme of installed part, so the operation personnel can be very convenient operate so that two-way screw rod rotates through operating the transfer line.
Optionally, the first limiting part is a first limiting groove, the bidirectional screw and the moving sleeve are both located in the first limiting groove, and the length direction of the first limiting groove is the length direction of the bidirectional screw;
two opposite side walls of the movable sleeve are attached to two opposite groove walls of the first limiting groove.
Through adopting above-mentioned technical scheme, because the relative both sides wall of removal cover is laminated with two cell walls that first spacing groove is relative, so can only move along the length direction of first spacing groove when removing the cover motion, can not move along other directions, and the length direction of first spacing groove is the same with the length direction of two-way screw, so remove the cover and receive the length direction motion that can follow two-way screw when drive motion.
Optionally, an accommodating cavity is formed in the mounting part, the transmission rod, the first gear and the second gear are all arranged in the accommodating cavity, and one end of the bidirectional screw rod penetrates through the accommodating cavity to be connected with the second gear;
one end of the transmission rod, which deviates from the bidirectional screw rod, penetrates out of the lower end of the mounting part.
Through adopting above-mentioned technical scheme, because transfer line, first gear and second gear all set up and hold the intracavity, so transfer line, first gear and second gear are difficult for colliding impaired, and life is longer.
Optionally, the trimming mechanism further comprises a lifting assembly for driving the saw blade and the power member to lift.
Through adopting above-mentioned technical scheme, the saw bit can be convenient when going up and down the saw cut by the branch that is treated the pruning of holder centre gripping.
Optionally, the lifting assembly comprises a screw rod and a lifting sleeve sleeved on the screw rod in a threaded manner, and the screw rod is vertically and rotatably arranged on the mounting piece;
the mounting piece is provided with a second limiting part which is used for limiting the lifting sleeve so that the lifting sleeve is driven to move along the length direction of the screw rod;
the power piece is arranged on the lifting sleeve, and the saw blade is rotatably arranged on the lifting sleeve.
Through adopting above-mentioned technical scheme, the lead screw is gone up and down the cover and can be followed vertical direction motion about the spacing portion of second when rotating, and saw bit and power spare also can follow vertical direction motion under the drive of lift cover this moment, so only need the lead screw to follow the direction motion of difference, and saw bit and power spare just can corresponding lift.
Optionally, the power part is a motor, the motor is fixedly arranged on the lifting sleeve, and an output shaft of the motor is fixedly connected with the saw blade.
Through adopting above-mentioned technical scheme, the saw bit just can rotate when the motor starts to the saw bit just can be convenient prunes the cutting to the branch.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the sawn branches are not easy to directly fall down to injure workers, so that the potential safety hazard of the nursery stock in high-altitude pruning is reduced;
2. the saw blade can conveniently prune and cut the branches.
Drawings
Fig. 1 is a schematic structural diagram of a nursery stock high-altitude trimming device according to an embodiment of the application.
Fig. 2 is a side view of the high pruning device for the nursery stock in fig. 1.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is a front view of the high-altitude trimming device for the nursery stock in fig. 1.
Fig. 5 is a sectional view taken along line B-B in fig. 4.
Description of reference numerals: 1. a mounting member; 11. a first limit groove; 12. an accommodating chamber; 13. a second limit groove; 2. a clamping member; 3. a drive assembly; 31. a bidirectional screw; 311. a first helical segment; 312. a second helical segment; 32. moving the sleeve; 4. a transmission assembly; 41. a transmission rod; 42. a first gear; 43. a second gear; 5. a saw blade; 6. a motor; 7. a lifting assembly; 71. a screw rod; 72. a lifting sleeve; 8. a first rotating handle; 9. a second rotating handle.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses nursery stock high altitude trimming means. Referring to fig. 1, this nursery stock high altitude trimming means includes installed part 1, and installed part 1 is square, is equipped with fixture on the installed part 1, and fixture includes holder 2, and holder 2 has the cambered surface, and the quantity of holder 2 is two, and the cambered surface of two holders 2 is relative. The two clamping pieces 2 can be relatively close to and far away from the top end of the mounting piece 1, and the top end of the mounting piece 1 is the end close to the nursery stock when the nursery stock is trimmed.
Referring to fig. 2 and 3, the clamping mechanism further includes a driving assembly 3 for driving the two clamping members 2 to approach each other, the driving assembly 3 includes a bidirectional screw 31 and a moving sleeve 32, the mounting member 1 is provided with a first limiting portion, the first limiting portion is a first limiting groove 11, a notch of the first limiting groove 11 penetrates through the top end of the mounting member 1, the bidirectional screw 31 is rotatably arranged in the first limiting groove 11, and the length direction of the first limiting groove 11 is the length direction of the bidirectional screw 31. The bidirectional screw 31 is horizontally arranged, the bidirectional screw 31 comprises a first screw section 311 and a second screw section 312 which have opposite threads, the number of the movable sleeves 32 is two, one movable sleeve 32 is sleeved on the first screw section 311 in a threaded manner, and the other movable sleeve 32 is sleeved on the second screw section 312 in a threaded manner. The first limiting groove 11 is a square groove, the moving sleeve 32 is correspondingly a square sleeve, and two opposite side walls of the moving sleeve 32 are attached to two opposite groove walls of the first limiting groove 11, so that the moving sleeve 32 is driven to move only along the length direction of the first limiting groove 11. When the bidirectional screw 31 rotates, the two moving sleeves 32 are sleeved on the first screw section 311 and the second screw section 312 of the bidirectional screw 31, which have opposite threads, so that the two moving sleeves 32 do not move in the same direction and move in opposite directions, and the two moving sleeves 32 correspondingly approach or separate from each other when the bidirectional screw 31 rotates in different directions. Meanwhile, one clamping piece 2 is fixedly connected with one movable sleeve 32 in a welding or integrated mode, and the other clamping piece 2 is fixedly connected with the other movable sleeve 32 in a welding or integrated mode. The two clamping members 2 can be moved by the moving sleeve 32 to close to each other to clamp a tree or move away from each other to release a tree.
In addition, referring to fig. 3, be equipped with on the installed part 1 and hold chamber 12, fixture still includes drive assembly 4, drive assembly 4 sets up in holding chamber 12, drive assembly 4 includes transfer line 41, first gear 42 and second gear 43, the vertical rotatable setting of transfer line 41 is in holding chamber 12, the one end that holds chamber 12 is connected with the chamber wall rotation that holds chamber 12, the rotation connected mode can be for connecting through the bearing, the lower extreme of installed part 1 is worn out to the other end of transfer line 41, transfer line 41 wears out the one end of installed part 1 lower extreme and is equipped with first rotation handle 8, first rotation handle 8 is circular handle. The fixed cover of first gear 42 is established at the tip that the transfer line 41 is located and is held the chamber 12, so first gear 42 just can rotate when transfer line 41 rotates, second gear 43 and the meshing of first gear 42 to first gear 42 can drive second gear 43 and rotate when rotating, first gear 42 and second gear 43 can be bevel gear, the one end of two-way screw rod 31 penetrates and holds in the chamber 12, the fixed cover of second gear 43 is established the tip that two-way screw rod 31 penetrated and hold chamber 12, fixed cover mode can be the key-type connection. Therefore, when the second gear 43 rotates, the two-way screw 31 rotates, so that the transmission rod 41 rotates to drive the two-way screw 31 to rotate so as to enable the two clamping pieces 2 to clamp the tree branches, and since the lower end of the transmission rod 41 is lower than the lower end of the mounting piece 1, an operator can very conveniently operate the transmission rod 41 to rotate the two-way screw 31.
Further, referring to fig. 4 and 5, the mounting member 1 is provided with a trimming mechanism, and the trimming mechanism includes a saw blade 5, a power member for driving the saw blade 5 to rotate, and a lifting assembly 7 for driving the saw blade 5 and the power member to lift. The lifting assembly 7 comprises a screw rod 71 and a lifting sleeve 72 which is sleeved on the screw rod 71 in a threaded manner, a second limiting part is arranged on the mounting part 1, the second limiting part is a second limiting groove 13, the screw rod 71 is vertically and rotatably arranged in the second limiting groove 13, and meanwhile, the lower end of the screw rod 71 penetrates out of the lower end of the mounting part 1 and is provided with a second rotating handle 9. The second limiting groove 13 is a square groove, the lifting sleeve 72 is square, and two opposite side walls of the lifting sleeve 72 are attached to two opposite groove walls of the second limiting groove 13, so that the lifting sleeve 72 can move along the length direction of the second limiting groove 13 when driven to move.
Finally, referring to fig. 5, the power element is a motor 6, the motor 6 is fixedly connected with the lifting sleeve 72, and an output shaft of the motor 6 penetrates through the second limiting groove 13 to be fixedly connected with the saw blade 5, so that the saw blade 5 rotates when the motor 6 is started. When the lifting sleeve 72 moves, the motor 6 and the saw blade 5 also move along with the lifting sleeve 72.
The implementation principle of the nursery stock high-altitude trimming device in the embodiment of the application is as follows: when pruning the nursery stock, operating the installation part 1 to make the branch to be pruned be located between two clamping parts 2 on the top end of the installation part 1, then rotating the first rotating handle 8 to make the transmission rod 41 rotate, the first gear 42 rotates when the transmission rod 41 rotates, the second gear 43 rotates when the first gear 42 rotates, the two-way screw 31 correspondingly rotates when the second gear 43 rotates, and then the two clamping parts 2 are close to each other to clamp the branch. Then motor 6 starts so that saw bit 5 rotates, then rotates second rotation handle 9 so that lead screw 71 rotates, and lift cover 72 can drive motor 6 and saw bit 5 to rise when lead screw 71 rotates, and the saw bit 5 that rises this moment can saw off the branch of treating the pruning, because the branch still is by the centre gripping of holder 2 centre gripping this moment to the branch of being sawed off is difficult for directly falling down and injures the staff, has reduced the potential safety hazard when the nursery stock high altitude is pruned.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a nursery stock high altitude trimming means which characterized in that: the clamping device comprises a mounting part (1), wherein a clamping mechanism and a trimming mechanism are arranged on the mounting part (1), the clamping mechanism comprises two clamping pieces (2) and a driving assembly (3), the two clamping pieces (2) can be relatively close to and far away from the top end of the mounting part (1), and the driving assembly (3) is used for driving the two clamping pieces (2) to relatively close to or far away from each other;
the trimming mechanism comprises a saw blade (5) and a power part for driving the saw blade (5) to rotate, wherein the saw blade (5) is adjacent to the clamping part (2).
2. The nursery stock high altitude trimming device of claim 1, characterized in that: the driving assembly (3) comprises a bidirectional screw (31) and moving sleeves (32), the bidirectional screw (31) comprises a first screw section (311) and a second screw section (312) which are opposite in thread, the bidirectional screw (31) is horizontally arranged on the mounting part (1), the number of the moving sleeves (32) is two, one moving sleeve (32) is sleeved on the first screw section (311) in a threaded manner, and the other moving sleeve (32) is sleeved on the second screw section (312) in a threaded manner;
the mounting piece (1) is provided with a first limiting part which is used for limiting the moving sleeve (32) so that the moving sleeve (32) is driven to move along the length direction of the bidirectional screw (31);
one clamping piece (2) is fixedly connected with one moving sleeve (32), and the other clamping piece (2) is fixedly connected with the other moving sleeve (32).
3. The nursery stock high altitude trimming device of claim 2, characterized in that: the clamping mechanism further comprises a transmission assembly (4), the transmission assembly (4) comprises a transmission rod (41), a first gear (42) and a second gear (43), the transmission rod (41) is vertically arranged on the mounting piece (1), and the lower end of the transmission rod is lower than the lower end of the mounting piece (1);
the first gear (42) is fixedly sleeved at the end part of the transmission rod (41), the second gear (43) is meshed with the first gear (42), and the second gear (43) is fixedly sleeved at the end part of the bidirectional screw rod (31).
4. The nursery stock high altitude trimming device of claim 3, characterized in that: the first limiting part is a first limiting groove (11), the two-way screw (31) and the moving sleeve (32) are both positioned in the first limiting groove (11), and the length direction of the first limiting groove (11) is the same as that of the two-way screw (31);
two opposite side walls of the movable sleeve (32) are attached to two opposite groove walls of the first limiting groove (11).
5. The nursery stock high altitude trimming device of claim 4, characterized in that: an accommodating cavity (12) is formed in the mounting part (1), the transmission rod (41), the first gear (42) and the second gear (43) are all arranged in the accommodating cavity (12), and one end of the bidirectional screw (31) penetrates through the accommodating cavity (12) to be connected with the second gear (43);
one end of the transmission rod (41) deviating from the bidirectional screw rod (31) penetrates out of the lower end of the mounting part (1).
6. The nursery stock high altitude trimming device of any one of claims 1 to 5, wherein: the trimming mechanism further comprises a lifting assembly (7) for driving the saw blade (5) and the power member to lift.
7. The nursery stock high altitude trimming device of claim 6, characterized in that: the lifting assembly (7) comprises a screw rod (71) and a lifting sleeve (72) sleeved on the screw rod (71) in a threaded manner, and the screw rod (71) is vertically and rotatably arranged on the mounting piece (1);
the mounting piece (1) is provided with a second limiting part which is used for limiting the lifting sleeve (72) so that the lifting sleeve (72) is driven to move along the length direction of the screw rod (71);
the power piece is arranged on the lifting sleeve (72), and the saw blade (5) is rotatably arranged on the lifting sleeve (72).
8. The nursery stock high altitude trimming device of claim 7, characterized in that: the power part is a motor (6), the motor (6) is fixedly arranged on the lifting sleeve (72), and an output shaft of the motor (6) is fixedly connected with the saw blade (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023351678.4U CN214102422U (en) | 2020-12-31 | 2020-12-31 | Nursery stock high altitude trimming means |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023351678.4U CN214102422U (en) | 2020-12-31 | 2020-12-31 | Nursery stock high altitude trimming means |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214102422U true CN214102422U (en) | 2021-09-03 |
Family
ID=77493375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202023351678.4U Expired - Fee Related CN214102422U (en) | 2020-12-31 | 2020-12-31 | Nursery stock high altitude trimming means |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214102422U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114938742A (en) * | 2022-05-13 | 2022-08-26 | 重庆邮电大学 | Plantlet pruning end effector |
CN115517092A (en) * | 2022-09-27 | 2022-12-27 | 佛山市华易科技有限公司 | Transmission type insulating noise-reducing pole pruning saw |
-
2020
- 2020-12-31 CN CN202023351678.4U patent/CN214102422U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114938742A (en) * | 2022-05-13 | 2022-08-26 | 重庆邮电大学 | Plantlet pruning end effector |
CN115517092A (en) * | 2022-09-27 | 2022-12-27 | 佛山市华易科技有限公司 | Transmission type insulating noise-reducing pole pruning saw |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN214102422U (en) | Nursery stock high altitude trimming means | |
CN205196412U (en) | Electronic spherical trimming machine | |
CN209806522U (en) | Forestry pruning device | |
CN215582643U (en) | High-altitude crop picking device | |
CN112706247B (en) | Pine turns to accurate location breaker after delimbing | |
CN210677177U (en) | Blade sharpening device of mower | |
CN209546378U (en) | One kind trimming apparatus for yellow peach branches and leaves | |
CN209831744U (en) | Pitaya processing is with section device | |
CN109661917B (en) | Device for pruning high-altitude branches | |
CN106216768A (en) | A kind of automatic cutting feed machine of metal bar | |
CN208490269U (en) | A kind of pineapple picker | |
CN219698533U (en) | Ornamental trees and shrubs prune and uses protector | |
CN112753526A (en) | Felling saw device for forestry | |
CN219961429U (en) | Garden seedling trimming device | |
CN211607472U (en) | Afforestation trimming means | |
CN213153029U (en) | Hand-held type fells mulberry instrument | |
CN214508151U (en) | Ornamental trees and shrubs trimming means | |
CN220693842U (en) | Orchard pruning machine | |
CN218897610U (en) | Automatic mulberry twig trimmer with obstacle avoidance function | |
CN116849044B (en) | Hand-push hedge trimmer | |
CN216532731U (en) | Vegetation trimming means with adjustable agricultural production is used | |
CN220606664U (en) | Tree trimmer with mechanical grabbing arm | |
CN214126144U (en) | Nectarine plant trimming means | |
CN216218945U (en) | Branches of tall trees saw with activity tongs | |
CN211322157U (en) | Plant branch and leaf small tool for trimming |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210903 |