CN103287232A - Towing hook and method for manufacturing the towing hook - Google Patents
Towing hook and method for manufacturing the towing hook Download PDFInfo
- Publication number
- CN103287232A CN103287232A CN2012101488776A CN201210148877A CN103287232A CN 103287232 A CN103287232 A CN 103287232A CN 2012101488776 A CN2012101488776 A CN 2012101488776A CN 201210148877 A CN201210148877 A CN 201210148877A CN 103287232 A CN103287232 A CN 103287232A
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- hook
- hauling hook
- hauling
- moulding material
- carrier
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Abstract
The present invention provides a durable and low manufacturing cost towing hook and a method for manufacturing the towing hook. The towing hook is used for fixing a transported body such as a car to a transportation body such as a cargo ship. The hook or the hook and the neck of the towing hook is/are forged. When manufacturing the towing hook, a molded material is heated to a temperature suitable for forging, and the hook or the hook and the neck of the towing hook is/are forged.
Description
Technical field
The hauling hook that uses when the present invention relates to be adapted at that seaborne automobile is fixed in hull and the manufacture method of this hauling hook.
Background technology
With lorry loading when carrier transports, for do not make automobile owing to carrier at sea strong rock and vibrate move and collide with and damage or produce scar with hull, other automobile or goods, part at the bumper reinforcement of car body is installed hauling hook, traction is installed on this hauling hook with an end of wirerope, the other end of this wirerope is fixed on the hull.In the prior art, this hauling hook is made as putting down in writing among Fig. 8 of following patent documentation 1.
Patent documentation 1:WO2008-129860 communique
Namely, according to described patent documentation 1, hauling hook is in the past made its prototype by the following method: pole is cut to predetermined length and makes the moulding material, described pole is made of special steels such as carbon steel or chrome-molybdenum steels, after being heated to this moulding material more than 1200 degree, without a break all carry out forge hot to what include hook portion and axial region by forging apparatus, the use press is removed the overlap of generation.
But, utilize not only unit price height of hauling hook that described well-known manufacture method in the past produces, and through being easy to generate distortion or be full of cracks after the prolonged and repeated use, its durability has problems also.In addition, in the prior art, in order without a break the moulding material all to be carried out forge hot, the diameter of moulding material must be thicker than the diameter of actual hauling hook, simultaneously, also need suitably to stay length on the length when cutting this moulding material, so produced the problem that the quantity of the moulding material that obtains from a pole also has waste.In addition, according to the manufacture method of in the past hauling hook, do not use high-quality moulding material with regard to the problem of the hauling hook that is difficult to obtain stay in grade if also exist.
Summary of the invention
Therefore, the object of the present invention is to provide the manufacture method of a kind of hauling hook and this hauling hook: compare based on the hauling hook of well-known technology in the past, described hauling hook has higher durability and manufacturing cost is more cheap.
In order to reach described purpose, the invention is characterized in, being used for betransporteding the hauling hook that body is fixed in carrier, only the hook portion of this hauling hook or the part from the hook portion to the neck are carried out forge hot.
In addition, of the present invention another is characterized as, and when make being used for betransporteding body and being fixed in the hauling hook of carrier, the moulding material is heated to is fit to the temperature of forging, and only the part of hook portion or hook portion and neck is carried out forge hot.
In addition, of the present invention another is characterized as, when making described hauling hook, use following material as the moulding material of this hauling hook: this material is finished the identical special steel of diameter of the hauling hook of product by using diameter and conduct, and its length cut into to be shorter than as the length of the hauling hook of finishing product forms.
In addition, of the present invention another is characterized as, and when making described hauling hook, the moulding material is heated to is fit to the temperature of forging, and only the part of hook portion or hook portion and neck carried out forge hot, and finishes quench the heat treatment with tempering of back integral body in forge hot.
Another feature of the present invention is that the described body that betransported is automobile.
Another feature of the present invention is that described carrier is carrier.
The present invention constitutes in the above described manner, so forge hot partly is hook portion, other parts are not forged, therefore, the diameter of moulding material can not reserved the forging allowance (Forging makes Wide) of rolling by forging, therefore the little material of diameter of moulding material can be used, the purpose of economical with materials can be reached thus.In addition, when cutting the moulding material from the pole that is constituted by special steels such as carbon steel or chrome-molybdenum steels, also axial forging allowance can be do not reserved, therefore, the moulding material shorter than prior art can be used, thus equally can economical with materials.In addition, for durability, can provide with product in the past and compare the hauling hook that durability significantly promotes, and for the moulding material, even do not use high-quality moulding material, and be to use for example import special steel, can produce the hauling hook that quality is constant and have stability and durability yet.In addition, for mould, because its part of using can be very little, therefore can also alleviate the maintenance to mould in forging.
Description of drawings
Fig. 1 is the block diagram of the hauling hook that the present invention relates to.
Fig. 2 is the block diagram that makes use-case that the hauling hook that the present invention relates to is shown.
Fig. 3 is the instruction diagram that the Fabrication procedure of the hauling hook that the present invention relates to is described with the Fabrication procedure's mode of comparing with the hauling hook of prior art.
Label declaration
1: hauling hook;
1a: hook portion;
1b: neck;
1c: main part;
1d: installation portion;
2: vehicle;
3: bumper/spoiler;
4: wirerope;
4a: hook portion;
10: moulding material (prior art);
11: moulding material (the present invention);
12,13: mould (prior art);
14,15: mould (the present invention);
16: in goods (prior art);
17: in goods (the present invention);
18,19: roll (prior art);
20,21: roll (the present invention).
The specific embodiment
Below, with reference to the accompanying drawings an embodiment of the invention are described, the hauling hook that the present invention relates to also can be when the seat transport of yacht, motor bike or other article or terrestrial transportation even use when towing vehicle etc. except can using when seat transport is carried out in automobile shipment.
At first, Fig. 1 shows the hauling hook that the present invention relates to.As shown in the figure, the hauling hook 1 that the present invention relates to is for example made by carbon steel, and by constituting with the lower part: hook portion 1a, it forms ring-type; The neck 1b of taper, it is designed to be connected in described hook portion 1a, and begins described neck 1b diameter from hook portion 1a and increase gradually; The main part 1c of pole shape, it is designed to be connected in described neck 1b; And installation portion 1d, it is designed to be connected in described main part 1c, and periphery is provided with outside thread, though do not express in the drawings, but only the connecting bridge that is connected with main part 1c from neck 1b is carried out forge hot to the part of the hook portion 1a in the place ahead, the part of other main part 1c or installation portion 1d keeps moulding material former state and does not carry out forge hot.In addition, described forge hot only according to circumstances also comprises and carries out forge hot to hook portion 1a or to hook portion 1a to the part of neck 1b.Comprise also under the situation about having in addition, that forge hot is to the part of main part 1c.
Fig. 2 shows the use-case that makes of the hauling hook 1 that the present invention relates to, the installation portion of hauling hook 1 (not shown external thread part) is installed on the not shown bumper reinforcement of the bumper/spoiler 3 at vehicle 2 rear portions as automobile, the hook portion 1a of hauling hook 1 uses the hook portion 4a of an end of wirerope 4 to link with being installed on traction, and the other end of wirerope 4 is installed together by for example same not shown fastener with the not shown fabricated section that is installed on hull.Described hauling hook 1 is installed on the bumper reinforcement at the front portion of vehicle 2 and rear portion usually, is used for car body is fixed in hull.
Fig. 3 is used for the manufacturing of the hauling hook that explanation the present invention relates to, and described Fabrication procedure is illustrated with the Fabrication procedure's mode of comparing that relates to prior art.With reference to the accompanying drawings, at first, in the material cut-out operation 1 in the 1st step, cut the moulding material.Cutting to cutting from the pole of being made by special steels such as carbon steel or chrome-molybdenum steels of described moulding material.As shown in the figure, well-known technology used external diameter to be the pole of Φ 28 in the past, and it is cut into the length of 220mm and obtains moulding material 10.But the present invention uses external diameter to be the pole of Φ 23 under the identical situation of material, and it is cut into the length of 211mm and obtains moulding material 11.Therefore, here at first, the technology that the present invention relates to is economical with materials more compared with prior art, and therefore, the technology that the present invention relates to can reach and reduce the purpose of making unit price.
Then, the moulding material 10 of prior art enters into next step operation instant heating forger order 2 with moulding material 11 of the present invention.In described forge hot operation 2, by high frequency heating machine moulding material 11 was heated in 5 seconds for example more than 1200 degree.At this moment, because the diameter of the moulding material 11 that the present invention relates to is littler than the moulding material 10 of prior art with length, therefore the heating to the moulding material 11 that the present invention relates to does not need the heat energy bigger than required in the prior art heat energy, in addition, compare moulding material 10 in the past, described moulding material 11 can be finished heating in the shorter time.Therefore, the technology that the present invention relates to can reach and reduce the purpose of making unit price.
Then, moulding material 10 and 11 through heating all is assemblied in mould, and utilize forging apparatus to carry out forge hot, this moment, the moulding material 10 of prior art all used moulds 12,13 forge hots of carrying out based on rough forge and finish-forging, and moulding material 11 of the present invention has only the part of the hook portion 1a shown in Fig. 1 and neck 1b to use mould 14,15 to carry out forge hot, and the part beyond hook portion 1a and the neck 1b is not carried out forge hot.Namely, prior art is that moulding material 10 is all carried out forge hot, therefore must strengthen the load of forging apparatus, the technology that the present invention relates to is only forged the part of moulding material 11, other parts are not forged, and therefore only need less load, therefore make to be easier to, and be convenient to the maintenance to mould, can reach the purpose of cost-cutting thus.In addition, in the present invention, the part of the part of carrying out forge hot for being made of the hook portion 1a shown in Fig. 1 and neck 1b, but according to the shape of hauling hook 1 also has the part of carrying out forge hot only to be the situation of the part of the part that is made of hauling hook 1a and the neck 1b that continues with it.In addition, under the situation about having, also exist the part of carrying out forge hot to comprise the situation of the part of main part 1c.
Then, carried out forge hot prior art in goods 16 and the deflashing operation 3 of using press that enters at goods 17 of the present invention.In this deflashing operation 3, prior art is owing to be the full forging that moulding material 10 is all forged, therefore when this deflashing, also need as shown in figure to prior art at goods 16 all overlap 16a that remove, and the present invention is owing to be only the part that is made of the hook portion 1a shown in Fig. 1 and neck 1b of moulding material 11 to be carried out half of forge hot to forge, therefore for the product of finishing at goods 17, the overlap 17a that only needs to remove the part that is made of as shown in Figure 1 hook portion 1a and neck 1b gets final product, therefore the deflashing operation also becomes easily, can reduce manufacturing cost thus.In addition, according to the manufacturing installation of the hauling hook that the present invention relates to, when forge hot, the part of the main part 1c shown in Fig. 1 can axially be extended, and therefore is formed with the recess of the length that predicts this situation in advance and reserve at mould 14,15.It is just finished as calculated initial, therefore can not improve the manufacturing unit price of mould.
After removing overlap by deflashing operation 3, by screw thread tube reducing manufacturing procedure 4, to prior art goods 16 and the present invention relates to all be located at the tube reducing processing of the external thread part of installation portion 1d shown in Figure 1 at goods 17, in addition, in order to produce viscosity, about 110 minutes and quench, carried out the heat treatment of tempering 820 ℃～870 ℃ following superheated then in 140 minutes with 490 ℃ of costs through heat treatment step 5.Subsequently, by threaded portion rolling and processing operation 6, all installation portion use roll 18,19 or roll 20,21 process outside thread, in surface treatment procedure 7 by gold-plated to carrying out surface treatment at goods 16,17, thereby obtain finishing product.Above Fabrication procedure 4,5,6 is identical with 7 in the present invention and prior art.
5 hauling hooks producing by the manufacture method that the present invention relates to as described above and 5 that produce by described well-known manufacture method in the past same hauling hooks are loaded onto ship durability test cycle.Described shipment durability test cycle uses the servo oscillatory system of oil pressure, with tilt 45 degree and installation portion fixed of sample (hauling hook), loads 0～6.6KN(0～673kgf) in vertical direction, and to apply frequency be that the vibration of 2Hz is ruptured up to it.As a result, obtained as in the following table 1 record test results.
[table 1]
The test results complete list
Data by the test results of above-mentioned table 1 can be clear that, use the hauling hook that partly forges of the manufacture method manufacturing that the present invention relates to stand 700,000 times (sample 3) at least, stand just to begin after 860,000 times (sample 1) vibration to produce on the surface be full of cracks at most.Other sample 2 is 730,000 times, and sample 4 is 820,000 times, and sample 5 is 840,000 times in addition, and each sample all shows high-durability before be full of cracks or distortion take place on its surface.In contrast to this, the full forging hauling hook by the prior art manufacturing stands 8.6 ten thousand times (sample 5) at least, stands 19.3 ten thousand times (sample 2) vibration back in surface generation be full of cracks at most.For other sample, sample 1 is 15.4 ten thousand times, and sample 3 is 17.8 ten thousand times, and sample 4 is 10.7 ten thousand times, therefore, can draw its surperficial durability that takes place to show before be full of cracks or the distortion than the much lower test results of the present invention.Therefore can be clear that the hauling hook that the present invention relates to and the manufacture method of this hauling hook can provide the manufacture method that has compared with prior art significantly reduced the high hauling hook of manufacturing cost and durability and this hauling hook.
As described above, the present invention is particularly suitable as the manufacture method of following hauling hook and this hauling hook and utilizes: this hauling hook can carry out shipment seabornely stably being fixed on the hull or other conveying arrangement as the carrier of carrier as the automobile that betransported body or other goods, the manufacturing unit price is cheap, and has durability.
Claims (8)
1. hauling hook, it is used for betransporteding body and is fixed in carrier, and described hauling hook is characterised in that,
Only the hook portion of described hauling hook or the part from the hook portion to the neck are carried out forge hot.
2. hauling hook according to claim 1 is characterized in that,
The described body that betransported is automobile.
3. hauling hook according to claim 1 is characterized in that,
Described carrier is carrier.
4. the manufacture method of a hauling hook is characterized in that,
When make being used for betransporteding body and being fixed in the hauling hook of carrier, the moulding material is heated to the temperature that is suitable for forging, only the part of hook portion or hook portion and neck is carried out forge hot.
5. the manufacture method of a hauling hook is characterized in that,
When make being used for to betransported body and being fixed in the hauling hook of carrier, use following material as the moulding material of this hauling hook: this material is finished the identical special steel of diameter of the hauling hook of product by using diameter and conduct, and its length cut into to be shorter than as the length of the hauling hook of finishing product forms.
6. the manufacture method of a hauling hook is characterized in that,
When make being used for betransporteding body and being fixed in the hauling hook of carrier, the moulding material is heated to the temperature that is suitable for forging, only the part of hook portion or hook portion and neck is carried out forge hot, and finish quench the heat treatment with tempering of back integral body in forge hot.
7. according to the manufacture method of each the described hauling hook in the claim 4 to 6, it is characterized in that,
The described body that betransported is automobile.
8. according to the manufacture method of each the described hauling hook in the claim 4 to 6, it is characterized in that,
Described carrier is carrier.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012042275A JP5475036B2 (en) | 2012-02-28 | 2012-02-28 | Towing hook and method of manufacturing the towing hook |
| JP2012-042275 | 2012-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103287232A true CN103287232A (en) | 2013-09-11 |
| CN103287232B CN103287232B (en) | 2015-10-21 |
Family
ID=49088959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210148877.6A Active CN103287232B (en) | 2012-02-28 | 2012-05-14 | The manufacture method of hauling hook and this hauling hook |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5475036B2 (en) |
| CN (1) | CN103287232B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612545A (en) * | 2013-11-27 | 2014-03-05 | 青岛铁辉工贸有限公司 | Novel coupler draw bar |
| CN111097873A (en) * | 2019-12-25 | 2020-05-05 | 徐州比亚机械设备有限公司 | Processing technology of trailer connecting frame |
| CN112475807A (en) * | 2020-11-20 | 2021-03-12 | 杭州瑞诺机械有限公司 | Aluminum alloy trailer rod processing technology |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102372957B1 (en) * | 2020-06-24 | 2022-03-11 | 주식회사 에스앤티메탈 | Manufacturing Method Of Towing Hook |
| CN113147289B (en) * | 2021-05-25 | 2023-08-18 | 泰安昊达汽车零部件有限公司 | Traction hook seat for vehicle and manufacturing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61259854A (en) * | 1985-01-28 | 1986-11-18 | Kokukou Seiko Kk | Production of lock bolt provided with ring head part |
| DE3529345C2 (en) * | 1985-08-15 | 1987-07-16 | Deutsche Kahneisen Gesellschaft West Gmbh, 1000 Berlin, De | |
| EP0850711A1 (en) * | 1996-12-24 | 1998-07-01 | Sumitomo Heavy Industries, Ltd. | Process and machine for forging rod-shaped article having deformed portion at an end thereof |
| CA2336235A1 (en) * | 2001-02-21 | 2002-08-21 | Vlado Percinlic | Tools and technology for production of open die forging single arm hooks |
| CN101214602A (en) * | 2007-12-28 | 2008-07-09 | 曾德文 | Method for manufacturing coupler yoke |
| CN101547801A (en) * | 2007-04-17 | 2009-09-30 | 株式会社法尔特克 | Towing device for vehicle, method of manufacturing towing hook for vehicle, and method of manufacturing connection member for vehicle |
-
2012
- 2012-02-28 JP JP2012042275A patent/JP5475036B2/en active Active
- 2012-05-14 CN CN201210148877.6A patent/CN103287232B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61259854A (en) * | 1985-01-28 | 1986-11-18 | Kokukou Seiko Kk | Production of lock bolt provided with ring head part |
| DE3529345C2 (en) * | 1985-08-15 | 1987-07-16 | Deutsche Kahneisen Gesellschaft West Gmbh, 1000 Berlin, De | |
| EP0850711A1 (en) * | 1996-12-24 | 1998-07-01 | Sumitomo Heavy Industries, Ltd. | Process and machine for forging rod-shaped article having deformed portion at an end thereof |
| CA2336235A1 (en) * | 2001-02-21 | 2002-08-21 | Vlado Percinlic | Tools and technology for production of open die forging single arm hooks |
| CN101547801A (en) * | 2007-04-17 | 2009-09-30 | 株式会社法尔特克 | Towing device for vehicle, method of manufacturing towing hook for vehicle, and method of manufacturing connection member for vehicle |
| CN101214602A (en) * | 2007-12-28 | 2008-07-09 | 曾德文 | Method for manufacturing coupler yoke |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612545A (en) * | 2013-11-27 | 2014-03-05 | 青岛铁辉工贸有限公司 | Novel coupler draw bar |
| CN111097873A (en) * | 2019-12-25 | 2020-05-05 | 徐州比亚机械设备有限公司 | Processing technology of trailer connecting frame |
| CN112475807A (en) * | 2020-11-20 | 2021-03-12 | 杭州瑞诺机械有限公司 | Aluminum alloy trailer rod processing technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103287232B (en) | 2015-10-21 |
| JP2013177074A (en) | 2013-09-09 |
| JP5475036B2 (en) | 2014-04-16 |
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