CN112243968B - Ice-chiseling auxiliary device for fishing on ice surface of frozen lake in alpine region - Google Patents
Ice-chiseling auxiliary device for fishing on ice surface of frozen lake in alpine region Download PDFInfo
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- CN112243968B CN112243968B CN202011256406.8A CN202011256406A CN112243968B CN 112243968 B CN112243968 B CN 112243968B CN 202011256406 A CN202011256406 A CN 202011256406A CN 112243968 B CN112243968 B CN 112243968B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 241000251468 Actinopterygii Species 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000008014 freezing Effects 0.000 claims description 9
- 238000007710 freezing Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000035929 gnawing Effects 0.000 description 3
- 239000012634 fragment Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K97/00—Accessories for angling
- A01K97/01—Accessories for angling for ice-fishing ; Ice drilling, hook-setting or signalling devices
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Abstract
The invention belongs to the technical field of winter fishing tools, and particularly relates to an ice chiseling auxiliary device for fishing on ice surfaces of frozen lakes in alpine regions, aiming at solving the problem that fish schools are easy to frighten due to large sound vibration caused by forceful impact of a steel cone in the traditional ice chiseling process, the ice chiseling auxiliary device comprises a supporting tube, wherein an annular sliding rail with an inward opening is fixed on the circumferential inner wall of the supporting tube close to the bottom end, an inner sliding ring with a convex-shaped structure in section is rotatably connected to the inner wall of the annular sliding rail, a notch is formed in the middle of one side of the annular sliding rail close to the inner wall of the supporting tube, and a C-shaped steel upright post I and a C-shaped steel upright post II which are opposite in opening and are centrosymmetric are fixed on one side of the inner sliding ring far away from the notch. When the ice surface cutting machine is used, cutting in the vertical direction can be carried out firstly, then the cutting groove is pierced from the side face, the ice surface can be broken, and then the ice surface can be shaped and collided, so that the great noise generated by breaking the integrity of the ice surface by single pure impact in the prior art is reduced.
Description
Technical Field
The invention relates to the technical field of winter fishing tools, in particular to an ice chiseling auxiliary device for fishing on ice surfaces of frozen lakes in high and cold regions.
Background
In northeast China, the tradition of fishing under ice in winter is called 'winter fishing' for short, and the famous phenomenon is that fishing in winter in Chaogan lake. At present, when fishing nets in winter, a large net with the length of 3000 meters is chiseled on an ice layer with the thickness of 1 meter every ten meters, more than 300 ice holes are chiseled, and more than gun flowers are used for chiseling the ice holes in eight nine hours.
When a fisherman operates the ice drilling holes, the number of the ice drilling holes is too large (more than 300) because the ice drilling holes are too dense; the labor intensity of fishermen is too high when the ice hole is chiseled, and the working time is too long; when the ice hole is chiseled, the sound and the vibration are large, so that the fish swarm is easy to frighten and run, and the fish catching yield is influenced; the operations of pole moving, hook moving and lance twisting are complex and slow, so the working efficiency is low.
Disclosure of Invention
The invention provides an ice-chiseling auxiliary device for fishing on ice surface of a frozen lake in a high cold region, aiming at overcoming the problem that fish shoals are easy to frighten due to large sound vibration caused by strong impact of a steel cone in the traditional ice-chiseling process in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the auxiliary device for ice chiseling for fishing in the ice surface of a freezing lake in a high and cold area comprises a supporting pipe, wherein an annular sliding rail with an inward opening is fixed on the inner wall of the circumference of the supporting pipe close to the bottom end, an inner sliding ring with a cross section in a convex structure is rotatably connected to the inner wall of the annular sliding rail, a notch is formed in the middle of one side, close to the inner wall of the supporting pipe, of the annular sliding rail, a first C-shaped steel column and a second C-shaped steel column are fixed on one side, far away from the notch, of the inner sliding ring, a first tower-shaped sliding block and a second tower-shaped sliding block are respectively and slidably connected in sliding grooves of the first C-shaped steel column and the second C-shaped steel column, self-locking screw rods penetrating up and down are screwed in the middles of the first tower-shaped sliding block and the second tower-shaped sliding block, a chisel rod is inserted into one end, far away from the groove bottom, a clamping groove is formed in one side, a rotating shaft is rotatably connected in the clamping groove, an L-shaped rocker is fixedly connected in the middle of the rotating shaft, a swinging hammer is fixed at the bottom end of the L-shaped rocker, a swinging hammer is reserved with a swinging hammer, the outer wall of the swinging rod is fixed at the position of the swinging rod, a tip of the swinging rod is fixed on the side of the swinging rod, a motor is fixed on the side of the swinging rod, and a motor is fixed on the top of the swinging rod, and a motor is fixed on the top of the swinging rod.
As a preferable scheme in the invention, the top ends of the two self-locking screws are identical in structure, a baffle is fixed at the bottom of the C-shaped steel upright post I close to the top end, an insertion hole matched with the outer diameter of the self-locking screw is formed in the middle of the baffle, and baffle rings are arranged at the upper end and the lower end of the outer circumferential wall of the self-locking screw close to the insertion hole.
In a preferable scheme of the invention, the bottom end of the chisel rod is screwed with a conical head, and the upper surface of the conical head is provided with a screw hole matched with the diameter of the bottom end of the chisel rod.
As a preferable scheme in the invention, the inclined rods are fixed on the outer wall of the circumference of the supporting tube close to the four corners, the supporting barrels with downward openings and barrel-shaped structures are fixed at the bottom ends of the inclined rods, and anti-skidding teeth are arranged at the openings at the bottom ends of the supporting barrels.
As a preferable scheme in the invention, the inner wall of the supporting barrel is connected with a fixed block close to the bottom end in a sliding manner, and the upper end and the lower end of the fixed block are respectively provided with a buffer spring and a roller.
As a preferable scheme in the invention, an annular groove is formed in the circumferential outer wall of the inner sliding ring close to the middle, teeth are arranged at the bottom of the annular groove, a speed reduction motor is fixed on the outer wall of the supporting tube close to the bottom end, and a driving gear is fixed at the top end of an output shaft of the speed reduction motor.
As a preferable scheme in the invention, a strip-shaped hole is formed in the position, close to the bottom end, of the outer wall of the supporting tube and at the same height as the notch, and the driving gear penetrates through the strip-shaped hole and is meshed with the teeth.
As a preferable scheme in the invention, spherical grooves distributed at equal intervals are formed in the lower surface of the inner sliding ring close to the circumferential edge, and balls are clamped in the spherical grooves.
Preferably, an arm rod is fixed on the inner wall of the support tube close to the top end, a spherical bearing is fixed on the top end of the arm rod, and the end of the spherical bearing is rotatably connected with a heating barrel.
As a preferable scheme in the invention, the circumferential inner wall of the heating barrel is fixed with heat conducting wires, and the heating barrel is provided with a fan far away from the opening at the bottom end.
To sum up, beneficial effect in this scheme does:
1. the ice chiseling auxiliary device for fishing on the ice surface of the frozen lake in the alpine region can cut in the vertical direction firstly through the vertical chisel rod and the swing hammer when in use, and then perforate from the side surface of the cutting groove, can destroy the complete shaping of the ice surface firstly and then carry out collision, thereby reducing the huge noise generated by destroying the integrity of the ice surface by single pure collision in the prior art;
2. the ice chiseling auxiliary device for fishing on the ice surface of the frozen lake in the alpine region can be matched with the poking wheel through the arranged rotating shaft, the swinging hammer can be driven to constantly and rhythmically gnaw and eat the inner side of the cutting position by being matched with the arrangement of the rotating shaft when the ice chiseling auxiliary device is used, and the stress release can be performed on the position close to the cutting gap in advance through the arrangement of the ice breaking hook, so that the later gnawing is smoother;
3. the ice chiseling auxiliary device for fishing on the ice surface of a frozen lake in a high and cold area can press the bottom opening of the supporting barrel down to be in contact with the ice surface only by increasing the weight overcoming the elastic force of the buffer spring when ice chiseling is started in use through the arranged supporting barrel, so that the anti-skidding effect is improved, and when the device needs to be moved, the roller can be exposed only by removing the weight, so that the device is convenient to move;
4. freezing lake ice surface fishing of alpine region is with auxiliary device that ices through the heating bucket that sets up to can be when using, the tiny fragment that produces when can be fast blowing away the cutting gap department, and can accelerate melting of key position ice surface.
Drawings
FIG. 1 is a schematic sectional view of an auxiliary device for ice chiseling for fishing in ice surface of ice lake in alpine region according to the present invention;
FIG. 2 is an enlarged schematic structural view of the ice chiseling assisting device for fishing on ice surface of ice lake in alpine region in FIG. 1;
FIG. 3 is a schematic perspective view of the swing hammer of the ice chiseling assisting device for fishing in ice surface of ice lake in a severe cold region;
FIG. 4 is a schematic view of a partial cross-sectional structure of a rotary ring of the ice chiseling assisting device for fishing in ice surface of a freezing lake in a severe cold region according to the present invention;
fig. 5 is a schematic sectional view showing the structure of a chisel rod of an auxiliary device for fishing on ice-shaving surface of a freezing lake in a severe cold region according to a second embodiment of the present invention.
In the figure: the device comprises a support pipe 1, a 101-shaped hole, a 2-self-locking screw rod, a 3C-shaped steel upright post I, a 4-tower-shaped sliding block I, a 5-arm rod, a 6-spherical bearing, a 7-heating barrel, an 8-toggle wheel, a 801 driving motor, an 802-toggle block, a 9-mounting rod, a 10L-shaped rocker, a 11C-shaped steel upright post II, a 1101 baffle, a 12-tower-shaped sliding block II, a 1201 rotating shaft, a 13-support barrel, a 14 notch, a 15 ice breaking hook, a 16-swinging hammer, a 17-chisel rod, an 18-shaped annular slide rail, a 19-inner slide ring, a 1901 ball, an 1902-shaped annular groove, a 20-driving gear, a 21-reducing motor, a 22-guiding barrel, a 2201-reset spring, a 2202-shaped annular retainer ring, a 23-driving motor and a 2301 cam.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being 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 invention.
Example 1
Referring to fig. 1-4, the ice chiseling assisting device for fishing on ice surface of frozen lake in alpine region comprises a supporting tube, an annular slide rail with an inward opening is fixed on the inner wall of the circumference of the supporting tube near the bottom end, the inner wall of the annular slide rail is rotatably connected with an inner slide ring with a cross section in a convex-shaped structure, a gap is formed in the middle of one side of the annular slide rail near the inner wall of the supporting tube, a first C-shaped steel upright column and a second C-shaped steel upright column which are opposite in opening and are centrosymmetric are fixed on one side of the inner slide ring far away from the gap, a first tower-shaped slide block and a second tower-shaped slide block are respectively and slidably connected in the slide grooves of the first C-shaped steel upright column and the second C-shaped steel upright column, self-locking screws penetrating up and down are respectively screwed in the middles of the first tower-shaped slide block and the second tower-shaped slide block, a chiseling rod is inserted in one end of the first tower-shaped slide block far away from the groove, a clamping groove is formed in one side of the middle of the second tower-shaped slide block, a clamping groove is rotatably connected with a torsion spring in a rotation way, one end of a rotation shaft is sleeved on the torsion spring, therefore, when radial force is applied, the rotary shaft can have a rotary trend, the middle of the rotary shaft is fixedly connected with an L-shaped rocker, the bottom end of the L-shaped rocker is fixedly provided with a swing hammer, a pointed end is reserved at the bottom end of the swing hammer, an ice breaking hook is fixed on the circumferential outer wall of the swing hammer close to the pointed end, so that the rotary shaft can be used for cutting in the vertical direction at one side, then the rotary shaft penetrates through the side face of the cutting groove, the ice surface can be broken, shaped and collided at first, the huge noise generated by the fact that the integrity of the ice surface is broken by single pure impact in the prior art is reduced, the side face of the tower-shaped sliding block II is fixedly provided with an installation rod, the side face of the installation rod is fixedly provided with a driving motor, the top end of an output shaft of the driving motor is fixedly provided with a poking wheel, and a poking block is fixed on the circumferential outer wall of the poking wheel, so that the rotary shaft can be matched with the arrangement to drive the swing hammer to rhythmically carry out the inner side of the cutting position to carry out the rotary shaft in use Gnawing, the setting of breaking ice colludes can be in advance to the position of being close to cutting gap department stress release for the gnawing in later stage is more smooth.
In the invention, the top ends of the two self-locking screws are identical in structure, the bottom of the C-shaped steel upright post I is fixed with the baffle close to the top end, the middle of the baffle is provided with the jack matched with the outer diameter of the self-locking screw, and the upper end and the lower end of the circumferential outer wall of the self-locking screw close to the jack are respectively provided with the baffle ring, so that the upper position and the lower position of the tower-shaped slide block I can be adjusted by screwing the self-locking screw from the top end when the tunnel boring machine is used, and further, the tunneling depth is slowly increased.
Wherein, the bottom spiro union of chisel bar has the conical head, and the upper surface of conical head open have with the screw of chisel bar bottom diameter looks adaptation to can work as many times when the chisel ice the back conical head unavoidably can appear wearing and tearing, just make things convenient for the change of conical head this moment.
Wherein, the circumference outer wall of stay tube is close to four corners department and all is fixed with the down support bucket that is the tubbiness structure of opening all fixed with of bottom of down, and the bottom opening part of support bucket is equipped with anti-skidding tooth.
Wherein, the inner wall of supporting the bucket is close to bottom sliding connection and has the fixed block, and the upper and lower both ends of fixed block are provided with buffer spring and gyro wheel respectively to can only need to increase the weight of overcoming buffer spring elasticity when beginning to chisel ice when using and can push down the bottom opening of supporting the bucket to with the ice surface contact, and then improve anti-skidding effect, when needing the mobile device, only need to cancel the heavy object can expose the gyro wheel, make things convenient for the removal of device.
The outer wall of the supporting tube is close to the bottom end and is fixed with a speed reduction motor, and the top end of an output shaft of the speed reduction motor is fixed with a driving gear.
Wherein, the outer wall of stay tube is close to the bottom and opens there is the bar hole with the high department with the incision, and the driving gear passes bar hole and tooth intermeshing to can only need control gear motor's slew velocity to drive the chisel bar and slowly cut on the ice surface when using, the cutting progress is stable.
The lower surface of the inner sliding ring is provided with spherical grooves distributed equidistantly close to the circumferential edge, and balls are clamped in the spherical grooves, so that the friction force of the inner sliding ring in the annular sliding rail is reduced, and the gap between the inner sliding ring and the annular sliding rail is enlarged to prevent the inner sliding ring from being frozen.
Wherein, the inner wall of stay tube is close to the top and is fixed with the armed lever, and the top of armed lever is fixed with spherical bearing, and spherical bearing's tip rotates and is connected with the heating bucket, and the circumference inner wall of heating bucket is fixed with heat conduction silk, and the heating bucket keeps away from the bottom opening part and is provided with the fan to can be when using, can blow away the cutting gap department with the tiny fragment that produces when the chisel hits fast, and can accelerate melting of key position ice surface.
The working principle is as follows: before the device is used, the device is pushed to the position above an area to be excavated, then the weight for overcoming the elasticity of the buffer spring is added, the bottom opening of the support barrel 13 can be pressed down to be in contact with the ice surface, the anti-skidding effect is further improved, when the device needs to be moved, the roller can be exposed only by removing the heavy object, and the device is convenient to move; then screwing the self-locking screw 2 from the top end to adjust the up-down position of the tower-shaped sliding block I4, and further slowly increasing the tunneling depth; then the rotating speed of the speed reducing motor 21 is controlled to drive the chisel rod 17 to slowly cut on the ice surface; meanwhile, the driving motor 801 is started to drive the poking wheel 8 to rotate in cooperation with the arrangement of the rotating shaft 1201, so that the swinging hammer 16 is driven to nibble the inner side of the cutting position, the ice breaking hook 15 can release stress at the position close to the cutting gap in advance, and the nibbling at the later stage is smoother.
Example 2
Referring to fig. 1 and 5, alpine region freezes lake ice face fishing and uses auxiliary device that makes a hole in ice, this embodiment is compared in embodiment 1, the back that still includes the C shaped steel stand has still been opened the rectangular hole, and the outer wall of tower type slider one passes the rectangular hole and is fixed with the ejector pin, and the top of ejector pin is fixed with driving motor, and driving motor's output shaft top is fixed with the cam, the outer wall of chisel rod has cup jointed the direction bucket, and the outer wall of chisel rod is close to the barrel head and is fixed with annular retaining ring, the top of annular retaining ring is fixed with reset spring, thereby can drive the pricking downwards of chisel rod high frequency when using, improve the effect of breaking ice.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The ice chiseling auxiliary device for fishing on the ice surface of a freezing lake in a high and cold region comprises a supporting pipe (1), wherein an annular sliding rail (18) with an inward opening is fixed on the circumferential inner wall of the supporting pipe (1) close to the bottom end, the inner wall of the annular sliding rail (18) is rotatably connected with an inner sliding ring (19) with a cross section in a convex-character-shaped structure, a notch (14) is formed in the middle of one side, close to the inner wall of the supporting pipe (1), of the annular sliding rail (18), a first C-shaped steel column (3) and a second C-shaped steel column (11) are fixed on one side, far away from the notch (14), of the inner sliding ring (19), the side is opposite in opening and is centrosymmetric with each other, a first tower-shaped sliding block (4) and a second tower-shaped sliding block (12) are fixed in sliding grooves of the first C-shaped steel column (3) and the second C-shaped steel column (11), self-locking screw rods (2) penetrating through the upper and lower parts are respectively connected in a sliding mode in the middles of the first tower-shaped sliding block (4) and the second tower-shaped sliding block (12), a chiseling sliding rod (17) is inserted into one end, a swinging rod (10) far away from the bottom of the tower-shaped sliding block (4), a swinging rod (10) is fixed on one side, a swinging rod (16) is fixed in the middle of the swinging rod (10), a swinging hammer (10) close to the swinging rod (10), a swinging hammer is fixed in the swinging rod (10), a swinging hammer (16) and a swinging hammer is fixed in the middle of the swinging rod (10) and a swinging hammer (10) close to the swinging hammer head (10) and a swinging hammer is fixed in the swinging hammer in the swinging rod (10) and a swinging hammer in the swinging rod (16) and a swinging hammer head (10) is fixed in the swinging rod (10) and a swinging hammer in the middle of the swinging rod is fixed in the swinging rod (10) and a swinging hammer in the swinging rod, an installation rod (9) is fixed on the side face of the second tower-shaped sliding block (12), a driving motor (801) is fixed on the side face of the installation rod (9), a poking wheel (8) is fixed at the top end of an output shaft of the driving motor (801), and a poking block (802) is fixed on the outer wall of the circumference of the poking wheel (8).
2. The auxiliary device for chiseling ice for fishing on ice surfaces of freezing lakes in alpine regions according to claim 1, wherein the top ends of the two self-locking screws (2) are identical in structure, a baffle (1101) is fixed to the bottom of the C-shaped steel upright post (3) close to the top end, a jack matched with the outer diameter of the self-locking screw (2) is formed in the middle of the baffle (1101), and retaining rings are arranged at the upper end and the lower end of the outer circumferential wall of the self-locking screw (2) close to the jack.
3. The auxiliary device for fishing on the ice surface of frozen lakes in alpine regions as claimed in claim 1, wherein a conical head is screwed at the bottom end of the chisel rod (17), and a screw hole matched with the diameter of the bottom end of the chisel rod (17) is formed in the upper surface of the conical head.
4. The auxiliary device for chiseling fish on ice surface of frozen lakes in alpine regions according to claim 1, wherein inclined rods are fixed on the outer wall of the circumference of the supporting tube (1) near four corners, supporting barrels (13) with downward openings and barrel-shaped structures are fixed at the bottom ends of the inclined rods, and anti-slip teeth are arranged at the openings of the bottom ends of the supporting barrels (13).
5. The auxiliary device for chiseling fish on ice surface of freezing lakes in alpine regions as claimed in claim 4, wherein the inner wall of the supporting barrel (13) is connected with a fixed block near the bottom end in a sliding manner, and the upper end and the lower end of the fixed block are respectively provided with a buffer spring and a roller.
6. The auxiliary device for chiseling ice for fishing on ice surfaces of frozen lakes in alpine regions according to claim 1, wherein an annular groove (1902) is formed in the circumferential outer wall of the inner sliding ring (19) close to the middle, teeth are arranged at the bottom of the annular groove (1902), a speed reduction motor (21) is fixed on the outer wall of the supporting pipe (1) close to the bottom end, and a driving gear (20) is fixed at the top end of an output shaft of the speed reduction motor (21).
7. The auxiliary device for ice chiseling on fishing in ice surfaces of ice lakes in alpine regions according to claim 6, wherein a slotted hole (101) is formed in the outer wall of the support tube (1) near the bottom end at the same height as the notch (14), and the driving gear (20) penetrates through the slotted hole (101) to be meshed with the teeth.
8. The ice chiseling assisting device for fishing in ice surfaces of frozen lakes in alpine regions as claimed in claim 1, wherein the lower surface of the inner sliding ring (19) is provided with spherical grooves which are equidistantly distributed near the circumferential edge, and the balls (1901) are clamped in the spherical grooves.
9. The auxiliary device for chiseling ice for fishing on ice surfaces of frozen lakes in alpine regions according to claim 1, wherein an arm rod (5) is fixed to the inner wall of the supporting tube (1) close to the top end, a spherical bearing (6) is fixed to the top end of the arm rod (5), a heating barrel (7) is rotatably connected to the end portion of the spherical bearing (6), heat conducting wires are fixed to the inner wall of the circumference of the heating barrel (7), and a fan is arranged on the heating barrel (7) far away from an opening at the bottom end.
10. The auxiliary device for ice chiseling for fishing on the ice surface of a freezing lake in a alpine region according to claim 1, wherein a rectangular hole is further formed in the back surface of the C-shaped steel upright post (3), a mandril is fixed to the outer wall of the tower-shaped sliding block I (4) after penetrating through the rectangular hole, a driving motor (23) is fixed to the top end of the mandril, a cam (2301) is fixed to the top end of an output shaft of the driving motor (23), a guide barrel (22) is sleeved on the outer wall of the chisel rod (17), an annular retainer ring (2202) is fixed to the outer wall of the chisel rod (17) close to the barrel bottom, and a return spring (2201) is fixed to the top end of the annular retainer ring (2202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011256406.8A CN112243968B (en) | 2020-11-11 | 2020-11-11 | Ice-chiseling auxiliary device for fishing on ice surface of frozen lake in alpine region |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011256406.8A CN112243968B (en) | 2020-11-11 | 2020-11-11 | Ice-chiseling auxiliary device for fishing on ice surface of frozen lake in alpine region |
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| CN112243968B true CN112243968B (en) | 2022-10-11 |
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