CN112660855B - Auxiliary device for unloading frozen tunas - Google Patents
Auxiliary device for unloading frozen tunas Download PDFInfo
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- CN112660855B CN112660855B CN202011452400.8A CN202011452400A CN112660855B CN 112660855 B CN112660855 B CN 112660855B CN 202011452400 A CN202011452400 A CN 202011452400A CN 112660855 B CN112660855 B CN 112660855B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
- Y02A40/963—Off-grid food refrigeration
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Abstract
The invention relates to an animal unloading assistor, in particular to a frozen tuna unloading assistor. Provided is a frozen tuna unloading aid capable of realizing remote unloading and having safety. The auxiliary device for unloading the frozen tuna is provided, and comprises an N-shaped plate and fixing mechanisms, wherein the fixing mechanisms are arranged on the N-shaped plate; the fixed shaft is connected between the N-shaped plates; the fixed shaft is rotatably connected with the rotating pipe; the take-up mechanism is connected between the rotating tube and the fixed shaft; the wire winding mechanism is connected with a wire winding mechanism; and the locking mechanism is connected between the rotating pipe and the right N-shaped plate. Through the cooperation of admission machine structure and card income mechanism, can make the person of unloading under the condition of keeping away from the tuna, stimulate the tuna, make the tuna heap of stacking collapse, because the person of unloading keeps away from the tuna heap this moment, when the tuna heap collapses, can not cause the injury to the person of unloading.
Description
Technical Field
The invention relates to an animal unloading assistor, in particular to a frozen tuna unloading assistor.
Background
Tuna is a large ocean important commodity edible fish, has extremely high nutritional value, tender and delicious meat quality and is free from environmental pollution. The tuna is longer, thick and round, streamline, tapered backwards, pointed and slender in tail base, forked or crescent in tail fin, obvious ridges on two sides of tail handle, a row of small fins behind back fin and hip fin, torpedo-shaped, and slightly circular in cross section.
Tunas need to be transported to markets across the country after being fished from the sea, the tunas need to be kept fresh before being transported, the tunas are mainly transported in a fresh ice method, ice is used for filling the tunas from fish mouths to the abdominal organs, the tunas are filled fully, at least 30 cm ice layers are arranged between fish layers, the tunas need to be unloaded after being transported to a destination, at present, iron sticks are directly used for unloading the tunas by people, the tunas are stabbed, the tunas fall off, and therefore the effect of unloading can be achieved.
Disclosure of Invention
In order to overcome the defects that the tuna is crushed and injured by manual unloading and has certain danger, the technical problems are as follows: provided is a frozen tuna unloading aid capable of realizing remote unloading and having safety.
The technical scheme is as follows: a frozen tuna unloading aid comprises:
the N-shaped plate is provided with a fixing mechanism;
the fixed shaft is connected between the N-shaped plates;
the fixed shaft is rotatably connected with the rotating pipe;
the take-up mechanism is connected between the rotating tube and the fixed shaft;
the wire winding mechanism is connected with a wire winding mechanism;
and the locking mechanism is connected between the rotating pipe and the right N-shaped plate.
Optionally, the take-up mechanism includes:
a reel to which the rotary pipe is connected;
the reel is wound with the first pull rope, and the tail end of the first pull rope is connected with the clamping mechanism;
the rotating pipe is connected with a driving disc, and the driving disc is positioned on one side of the reel;
the clockwork is connected between the driving disc and the fixed shaft.
Optionally, the click-in mechanism comprises:
the tail end of the first pull rope is connected with a pull ring;
the guide rod is connected with the pull ring;
the guide sleeve is connected with the guide rod in a sliding manner;
the first spring is connected between the guide sleeve and the guide rod and sleeved outside the guide rod;
the outer side of the guide sleeve is connected with the fixed pipe;
the rear side of the fixed tube is connected with the conical tube.
Optionally, the fixing mechanism comprises:
the outer sides of the fixed sleeves and the N-shaped plates are connected with the fixed sleeves;
the first inclined plane disc is connected in the fixed sleeve in a sliding manner;
toothed plates are connected to the inner sides of the first inclined plane discs;
the outer sides of the fixed sleeves are rotatably connected with the driving shafts;
the inner sides of the driving shafts are both connected with second bevel discs, and the second bevel discs are in extrusion fit with the first bevel discs on the same side;
the outer sides of the driving shafts are connected with rotating rods;
and the second springs are connected between the upper parts of the fixed sleeves and the toothed plates on the same side.
Optionally, the locking mechanism comprises:
the right side of the rotating pipe is connected with a ratchet wheel;
the N-shaped plate close to one side of the ratchet wheel is connected with the fixed disc;
the fixed disc is connected with the protective shell, and the ratchet wheel is positioned on the inner side of the protective shell;
the clamping rod is rotatably connected to one side of the fixed disc and meshed with the ratchet wheel;
the elastic sheet is connected between the bottom of the clamping rod and the fixed disc;
the bottom of the clamping rod is connected with a second pull rope.
Optionally, the expansion device further comprises an expansion mechanism, wherein the expansion mechanism comprises:
the guide rod is connected with the slide rod;
the sliding sleeve is connected with the sliding rod;
the rear end of the sliding rod is connected with a wedge block;
the expansion plates are rotatably connected to the two sides of the conical tube, and the wedge-shaped block is in extrusion fit with the expansion plates;
and the third spring is connected between the expansion plate and the two sides of the sliding sleeve.
Optionally, the method further includes:
the anti-freezing rubber cloth is connected with the conical tube.
Optionally, the method further includes:
the magnet, second stay cord are connected with magnet.
The invention has the beneficial effects that: 1. through the cooperation of admission machine structure and card income mechanism, can make the person of unloading under the condition of keeping away from the tuna, stimulate the tuna, make the tuna pile of stacking collapse, because the person of unloading keeps away from the tuna pile this moment, when the tuna pile collapses, can not lead to the fact the injury to the person of unloading.
2. Through the operation of the locking mechanism, the unloading staff can trigger the take-up mechanism under the safe condition to collapse the tuna stack, and the injury caused by the fact that the unloading staff slips due to icing on the bottom surface of the container when the unloading staff is suddenly away from the tuna stack is avoided.
3. Through the operation of the expansion mechanism, before the take-up mechanism pulls out the pull-out mechanism, the expansion mechanism is linked to enable the expansion plate to be unfolded, the clamping range of the clamping mechanism is enlarged, and time waste caused by operation failure due to unstable clamping of the clamping mechanism is avoided.
4. Under the effect of the anti-freezing rubber cloth, the conical tube can be effectively protected, so that parts in the conical tube are prevented from being frozen.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a take-up mechanism according to the present invention.
Fig. 3 is a schematic perspective view of the snapping mechanism of the present invention.
Fig. 4 is a schematic perspective view of a first part of the present invention.
Fig. 5 is a schematic perspective view of the fixing mechanism of the present invention.
Fig. 6 is a perspective view of the locking mechanism of the present invention.
Fig. 7 is a perspective view of the expanding mechanism of the present invention.
Fig. 8 is a perspective view of a second part of the present invention.
Description of reference numerals: 1: n-shaped plate, 2: fixed shaft, 3: rotating tube, 4: take-up mechanism, 41: reel, 42: first cord, 43: drive plate, 44: a wind spring, 5: click-in mechanism, 51: tab, 52: guide rod, 53: guide sleeve, 54: first spring, 55: fixed tube, 56: tapered tube, 6: fixing mechanism, 61: a fixing sleeve, 62: first bevel disk, 63: toothed plate, 64: second bevel disk, 65: drive shaft, 66: turning rod, 67: second spring, 7: locking mechanism, 71: ratchet, 72: fixed disk, 73: protective shell, 74: jamming rod, 75: spring plate, 76: second cord, 8: expansion mechanism, 81: slide bar, 82: sliding bush, 83: wedge block, 84: expansion plate, 85: third spring, 9: anti-freezing rubber cloth, 10: and a magnet.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Example 1
The utility model provides a freezing tuna discharge assistor, as shown in fig. 1, including N shaped plate 1, fixed axle 2, rotating tube 3, admission machine 4, card income mechanism 5, fixed establishment 6 and locking mechanical system 7, all be equipped with fixed establishment 6 on the N shaped plate 1, be connected with fixed axle 2 between the N shaped plate 1, fixed axle 2 right side rotary type is connected with rotating tube 3, be connected with admission machine 4 between rotating tube 3 and the fixed axle 2, be connected with on the admission machine 4 and block the mechanism 5, be connected with locking mechanical system 7 between rotating tube 3 and the N shaped plate 1 on right side.
When people need to unload the tuna, the N-shaped plate 1 is fixed on a carriage, the N-shaped plate 1 is fixed by the rotating and fixing mechanism 6, the people pull the parts of the locking mechanism 7, then the clamping mechanism 5 is pulled to move backwards to be clamped into the tuna, the parts of the take-up mechanism 4 are driven to rotate, the rotating tube 3 and the parts of the locking mechanism 7 are further driven to rotate, after the clamping mechanism 5 is clamped into the tuna, the people loosen the parts of the locking mechanism 7 and the clamping mechanism 5, after people leave the tuna, the parts of the locking mechanism 7 are pulled, under the action of the take-up mechanism 4, the rotating tube 3 is driven to rotate to reset, meanwhile, the clamping mechanism 5 is driven to move forwards to pull out the tuna, and unloading can be finished.
Example 2
On the basis of embodiment 1, as shown in fig. 2 to 4, the take-up mechanism 4 includes a reel 41, a first rope 42, a driving disk 43 and a clockwork spring 44, the left side of the rotating pipe 3 is connected with the reel 41, the first rope 42 is wound on the reel 41, the end of the first rope 42 is connected with the snapping mechanism 5, the left side of the rotating pipe 3 is connected with the driving disk 43, the driving disk 43 is located on the left side of the reel 41, and the clockwork spring 44 is connected between the left side of the driving disk 43 and the middle of the fixed shaft 2.
When people move the clamping mechanism 5 backwards, the winding wheel 41 is driven to rotate to loosen the first pull rope 42, the rotating pipe 3 and the driving disc 43 are driven to rotate, the clockwork spring 44 is twisted, after the clamping mechanism 5 is clamped into the tuna, the locking mechanism 7 is pulled, under the action of the clockwork spring 44, the winding wheel 41 is driven to rotate to retract the first pull rope 42, the rotating pipe 3 and the driving disc 43 are driven to rotate to reset, and the clamping mechanism 5 is driven to move forwards to pull out the tuna.
The clamping mechanism 5 comprises a pull ring 51, a guide rod 52, a guide sleeve 53, a first spring 54, a fixed tube 55 and a conical tube 56, the pull ring 51 is connected to the tail end of the first pull rope 42, the guide rod 52 is connected to the rear side of the pull ring 51, the guide sleeve 53 is connected to the guide rod 52 in a sliding mode, the first spring 54 is connected between the rear side of the guide sleeve 53 and the rear side of the guide rod 52, the first spring 54 is sleeved on the outer side of the guide rod 52, the fixed tube 55 is connected to the outer side of the guide sleeve 53, and the conical tube 56 is connected to the rear side of the fixed tube 55.
One can insert the tapered tube 56 into the tuna, and when the first pulling rope 42 moves forward, the pull ring 51 and the guide rod 52 are driven to move forward, so that the first spring 54 is compressed, when the guide rod 52 moves forward to contact with the guide sleeve 53, the fixed tube 55 and the tapered tube 56 are driven to move forward, the tapered tube 56 drives the tuna to move forward, so that unloading can be performed, and after the tapered tube 56 is separated from the tuna, the pull ring 51 and the guide rod 52 are driven to move backward to reset under the action of the first spring 54.
Example 3
On the basis of embodiment 2, as shown in fig. 5 to 8, the fixing mechanism 6 includes a fixing sleeve 61, a first bevel disk 62, a toothed plate 63, a second bevel disk 64, a driving shaft 65, a rotating rod 66 and a second spring 67, the fixing sleeve 61 is connected to the outer side of the N-shaped plate 1, the first bevel disk 62 is connected to the inner side of the fixing sleeve 61 in a sliding manner, the toothed plate 63 is connected to the inner side of the first bevel disk 62, the driving shaft 65 is connected to the outer side of the fixing sleeve 61 in a rotating manner, the second bevel disk 64 is connected to the inner side of the driving shaft 65 in a pressing fit manner with the first bevel disk 62 on the same side, the rotating rod 66 is connected to the outer side of the driving shaft 65, and the second spring 67 is connected between the upper portion of the fixing sleeve 61 and the upper portion of the toothed plate 63 on the same side.
When people need unload the tuna, fix N shaped plate 1 on the carriage earlier, rotate bull stick 66 downwards afterwards and drive shaft 65 and second bevel disk 64 and rotate, drive first bevel disk 62 and pinion rack 63 and move to the inboard, second spring 67 is stretched, make pinion rack 63 block the carriage, thereby fix this device, when this device is taken off to needs, rotate bull stick 66 upwards and drive shaft 65 and second bevel disk 64 and rotate and reset, under the effect of second spring 67, drive first bevel disk 62 and pinion rack 63 and move to the outside, make pinion rack 63 loosen the carriage, can take off this equipment like this.
The locking mechanism 7 comprises a ratchet wheel 71, a fixed disc 72, a protective shell 73, a clamping rod 74, an elastic sheet 75 and a second pull rope 76, the right side of the rotating tube 3 is connected with the ratchet wheel 71, the left wall of the N-shaped plate 1 on the right side is connected with the fixed disc 72, the left side of the fixed disc 72 is connected with the protective shell 73, the ratchet wheel 71 is located on the inner side of the protective shell 73, the clamping rod 74 is rotatably connected to the middle of the left front side of the fixed disc 72, the clamping rod 74 is meshed with the ratchet wheel 71, the elastic sheet 75 is connected between the middle of the bottom of the clamping rod 74 and the lower portion of the left front side of the fixed disc 72, and the front side of the bottom of the clamping rod 74 is connected with the second pull rope 76.
When the conical tube 56 needs to be clamped into a tuna, the second pull rope 76 is pulled to move downwards, the clamping rod 74 is made to rotate and separate from the ratchet wheel 71, the ratchet wheel 71 rotates along with the clamping rod 74, the elastic piece 75 is compressed, after the conical tube 56 is clamped into the tuna, people can release hands, under the effect of the elastic piece 75, the clamping rod 74 is driven to rotate and engage with the ratchet wheel 71, the ratchet wheel 71 cannot rotate, when people need to pull out the conical tube 56, the second pull rope 76 moves downwards, the clamping rod 74 is made to rotate and separate from the ratchet wheel 71, the elastic piece 75 is compressed, and therefore the rotation tube 3 rotates to drive the ratchet wheel 71 to rotate.
Still including expanding mechanism 8, expanding mechanism 8 is including slide bar 81, sliding sleeve 82, wedge 83, expansion board 84 and third spring 85, and the guide arm 52 rear end is connected with slide bar 81, and the slide bar 81 rear side is connected with sliding sleeve 82, and the slide bar 81 rear end is connected with wedge 83, and the equal rotary type in both sides is connected with expansion board 84 about conical tube 56 rear portion, and wedge 83 and expansion board 84 extrusion fit all are connected with third spring 85 between the anterior inboard of expansion board 84 and the upper and lower both sides of sliding sleeve 82.
When the guide rod 52 moves forward, the sliding rod 81, the sliding sleeve 82 and the wedge-shaped block 83 are driven to move forward, the third spring 85 is stretched, the expansion plate 84 expands outwards, the expansion plate 84 clamps the tuna tightly, the tuna is driven to be pulled out forwards, when the expansion plate 84 is separated from the tuna, the expansion plate 84 is driven to move inwards to reset under the action of the third spring 85, and meanwhile, when the guide rod 52 moves backwards, the sliding rod 81, the sliding sleeve 82 and the wedge-shaped block 83 are driven to move backwards to reset.
The anti-freezing rubber cloth 9 is further included, and the anti-freezing rubber cloth 9 is connected to the rear side of the conical tube 56.
When the conical tube 56 is inserted into a tuna, the anti-freezing rubber cloth 9 is driven to be in contact with ice blocks, and under the action of the anti-freezing rubber cloth 9, the conical tube 56 can be effectively protected, so that parts inside the conical tube 56 are prevented from being frozen.
The magnetic pull rope further comprises a magnet 10, and the magnet 10 is connected to the lower portion of the second pull rope 76.
When the second rope 76 needs to be fixed, the magnet 10 can be attracted to and fixed to the vehicle body, and when the second rope is not fixed, the magnet 10 can be separated from the vehicle body.
The technical principles of the embodiments of the present invention have been described above with reference to specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other specific embodiments of the present invention without inventive step, and such embodiments will fall within the scope of the embodiments of the present invention.
Claims (3)
1. The utility model provides a frozen tuna unloads assistor, characterized by, including:
the device comprises an N-shaped plate (1) and a fixing mechanism (6), wherein the fixing mechanism (6) is arranged on each N-shaped plate (1);
the fixed shaft (2) is connected between the fixed shaft (2) and the N-shaped plates (1);
the rotating pipe (3) is rotatably connected with the fixed shaft (2);
the take-up mechanism (4) is connected between the rotating tube (3) and the fixed shaft (2);
the wire winding mechanism (4) is connected with a clamping mechanism (5);
the locking mechanism (7) is connected between the rotating pipe (3) and the right N-shaped plate (1);
the take-up mechanism (4) comprises:
a reel (41), to which the reel (41) is connected to the rotating pipe (3);
the first pull rope (42) is wound on the reel (41), and the tail end of the first pull rope (42) is connected with the clamping mechanism (5);
the driving disc (43) is connected with the rotating pipe (3), and the driving disc (43) is positioned on one side of the reel (41);
a spring (44), wherein the spring (44) is connected between the driving disc (43) and the fixed shaft (2);
the click-in mechanism (5) comprises:
the pull ring (51) is connected with the tail end of the first pull rope (42);
the guide rod (52) is connected with the pull ring (51);
the guide sleeve (53) is connected with the guide rod (52) in a sliding way;
the first spring (54) is connected between the guide sleeve (53) and the guide rod (52), and the first spring (54) is sleeved on the outer side of the guide rod (52);
the outer side of the guide sleeve (53) is connected with the fixed pipe (55);
a conical pipe (56), wherein the rear side of the fixed pipe (55) is connected with the conical pipe (56);
the fixing mechanism (6) comprises:
the outer sides of the fixed sleeve (61) and the N-shaped plate (1) are connected with the fixed sleeve (61);
the first inclined disc (62) is connected with the fixed sleeve (61) in a sliding way;
the toothed plates (63) are connected to the inner sides of the first inclined plane discs (62);
the outer sides of the driving shafts (65) and the fixed sleeves (61) are respectively and rotatably connected with the driving shafts (65);
the inner sides of the driving shafts (65) are connected with second bevel discs (64), and the second bevel discs (64) are in extrusion fit with the first bevel discs (62) on the same side;
the outer sides of the driving shafts (65) are connected with rotating rods (66);
the second springs (67) are connected between the upper part of the fixed sleeve (61) and the toothed plate (63) on the same side;
the locking mechanism (7) comprises:
the ratchet wheel (71) is connected to the right side of the rotating pipe (3);
the fixed disc (72) is connected with the N-shaped plate (1) close to one side of the ratchet wheel (71);
the fixed disc (72) is connected with the protective shell (73), and the ratchet wheel (71) is positioned on the inner side of the protective shell (73);
the clamping rod (74) is rotatably connected to one side of the fixed disc (72), and the clamping rod (74) is meshed with the ratchet wheel (71);
the elastic sheet (75) is connected between the bottom of the clamping rod (74) and the fixed disc (72);
the bottom of the clamping rod (74) is connected with a second pull rope (76);
still including expansion mechanism (8), expansion mechanism (8) including:
the sliding rod (81), the guide rod (52) is connected with the sliding rod (81);
the sliding sleeve (82), the sliding rod (81) is connected with the sliding sleeve (82);
the rear end of the sliding rod (81) is connected with a wedge block (83);
the expanding plate (84) is rotatably connected to the two sides of the conical tube (56), and the wedge block (83) is in extrusion fit with the expanding plate (84);
and the third spring (85) is connected between the expansion plate (84) and the two sides of the sliding sleeve (82).
2. A frozen tuna unloading aid according to claim 1, further comprising:
the anti-freezing rubber cloth (9) is connected with the conical tube (56) through the anti-freezing rubber cloth (9).
3. A frozen tuna unloading aid according to claim 2, further comprising:
the magnet (10) is connected to the magnet (10) and the second rope (76).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011452400.8A CN112660855B (en) | 2020-12-11 | 2020-12-11 | Auxiliary device for unloading frozen tunas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011452400.8A CN112660855B (en) | 2020-12-11 | 2020-12-11 | Auxiliary device for unloading frozen tunas |
Publications (2)
| Publication Number | Publication Date |
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| CN112660855A CN112660855A (en) | 2021-04-16 |
| CN112660855B true CN112660855B (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011452400.8A Active CN112660855B (en) | 2020-12-11 | 2020-12-11 | Auxiliary device for unloading frozen tunas |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1008124A1 (en) * | 1981-12-26 | 1983-03-30 | Сибирский Государственный Проектный Институт Промышленного Транспорта | Vibration loosener of frozen loose materials in gondola cars |
| SU1437326A1 (en) * | 1987-01-14 | 1988-11-15 | Днепропетровский государственный университет им.300-летия воссоединения Украины с Россией | Apparatus for loosening and unloading frozen loose materials from gondola car |
| JP3533394B1 (en) * | 2003-05-26 | 2004-05-31 | 株式会社コールドサービス | Frozen tuna loading device |
| CN102616167B (en) * | 2012-04-13 | 2014-02-26 | 曹献军 | Unloading booster for goods |
| CN104692195B (en) * | 2014-10-27 | 2017-03-22 | 广州市强生信达贸易有限公司 | Pipeline scrolling device |
| CN107148934A (en) * | 2017-06-30 | 2017-09-12 | 安徽工程大学 | A kind of fish jar for being easy to fishing for fish gene engineering experiment |
| CN108770796A (en) * | 2018-04-04 | 2018-11-09 | 江汉大学 | Penetrate fish device |
| CN108689255A (en) * | 2018-08-08 | 2018-10-23 | 姜千容 | Household appliance wire automatic uniform bobbin winder device |
| CN209833459U (en) * | 2019-03-25 | 2019-12-24 | 上海鸿裕供应链管理有限公司 | Hanger rail type automatic unloading device |
| CN110155141B (en) * | 2019-05-30 | 2020-09-04 | 福州市志安消防工程有限公司 | A loading and unloading type engineering shallow of being convenient for construction |
| CN111891776B (en) * | 2020-08-06 | 2022-03-11 | 福建诚壹实业有限公司 | Special initiative discharge system of low temperature freezer transport vechicle |
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2020
- 2020-12-11 CN CN202011452400.8A patent/CN112660855B/en active Active
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Effective date of registration: 20230310 Address after: 525400 private science and Technology Industrial Park, Dianbai District, Maoming City, Guangdong Province Patentee after: Guangdong Yingqian Haibao Food Co.,Ltd. Address before: 410016 room 1201, 12th floor, building 22, shuiyunjian, Renmin East Road, Furong district, Changsha City, Hunan Province Patentee before: Wang Shiping |