CN113371589A - Quenching hoisting tool for special-shaped flange forging - Google Patents
Quenching hoisting tool for special-shaped flange forging Download PDFInfo
- Publication number
- CN113371589A CN113371589A CN202110819258.4A CN202110819258A CN113371589A CN 113371589 A CN113371589 A CN 113371589A CN 202110819258 A CN202110819258 A CN 202110819258A CN 113371589 A CN113371589 A CN 113371589A
- Authority
- CN
- China
- Prior art keywords
- hook
- lifting
- shaped
- lifting rope
- special
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/14—Slings with hooks
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention provides a quenching and hoisting tool for a special-shaped flange forging piece, which can reduce the influence on the quenching effect of the special-shaped flange forging piece on the premise of ensuring the hoisting safety, and relates to the technical field of hoisting tools. A quenching and hoisting tool for a special-shaped flange forging comprises a hoisting beam, wherein a first hoisting rope is arranged at one end of the hoisting beam, a flange hoisting tool is arranged at the other end of the hoisting beam, and two ends of the first hoisting rope are connected with the hoisting beam after being bent to form a rod part hoisting tool; the flange lifting appliance comprises a first U-shaped lifting hook, a second lifting rope, a third lifting rope and a tension piece. The quenching effect can be greatly improved by adopting the tool to hoist the special-shaped flange forging for quenching.
Description
Technical Field
The invention relates to the technical field of hoisting tools, in particular to a quenching hoisting tool for a special-shaped flange forging.
Background
As shown in fig. 1, the shaped flange forging has a heavy weight and comprises a rod portion 12 and a flange 11 connected to the end of the rod portion 12, wherein the diameter of the flange is usually over 1000mm, and the thickness of the flange is usually less than 500 mm. Because the flange plate end of the forging is thin, when the forging is directly hoisted by using a chain, the chain sleeved with the flange plate is difficult to fix, so that the tool is very easy to be unstable in the hoisting process. In order to ensure safety, the traditional special-shaped flange forging is quenched in a furnace: the workpiece is horizontally placed on a material tray, and the material tray is hung by a chain for quenching during quenching. Because the charging tray heat accumulation is big, increase the energy consumption, and the space is little between charging tray and the work piece, has influenced the intensification and the cooling rate of dysmorphism flange forging greatly, directly influences the quenching effect of work piece.
Disclosure of Invention
The invention aims to solve the technical problem of providing a quenching and hoisting tool for a special-shaped flange forging, which can reduce the influence on the quenching effect of the special-shaped flange forging on the premise of ensuring the hoisting safety.
The technical scheme adopted by the invention for solving the technical problems is as follows: a quenching and hoisting tool for a special-shaped flange forging comprises a hoisting beam, wherein a first hoisting rope is arranged at one end of the hoisting beam, a flange hoisting tool is arranged at the other end of the hoisting beam, and two ends of the first hoisting rope are connected with the hoisting beam after being bent to form a rod part hoisting tool;
the flange lifting appliance comprises a first U-shaped lifting hook, a second lifting rope, a third lifting rope and a tension piece; the first U-shaped lifting hook is connected with the lifting beam through a second lifting rope, and the second U-shaped lifting hook is connected with the lifting beam through a third lifting rope; the tension piece is arranged between the second lifting rope and the third lifting rope, one end of the tension piece is connected with the second lifting rope, and the other end of the tension piece is connected with the third lifting rope.
Further, the first lifting rope, the second lifting rope, the third lifting rope and the tension member are all chains.
Further, the second lifting rope, the third lifting rope and the tension piece are of an integral structure.
Further, the hook tail of the first U-shaped lifting hook and the hook tail of the second U-shaped lifting hook are respectively provided with a U-shaped buckle, each buckle is provided with a pin shaft which is detachably connected with the two ends of the buckle, the pin shaft of the buckle of the hook tail of the first U-shaped lifting hook is matched with the chain hole of the second lifting rope, and the pin shaft of the buckle of the hook tail of the second U-shaped lifting hook is matched with the chain hole of the third lifting rope.
Further, one end of the first lifting rope is connected with the lifting beam through a chain adjuster.
Further, first U type lifting hook includes first gib head section and the first gib tail section that the width direction mutual slip of following first U type lifting hook set up, first gib head section is equipped with a plurality of first pinholes of arranging along the width direction interval of first U type lifting hook, insert on the first gib tail section be equipped with first pinhole complex first locating pin, second U type lifting hook includes second gib head section and the second gib tail section that the width direction mutual slip of following second U type lifting hook set up, second gib head section is equipped with a plurality of second pinholes of arranging along the width direction interval of second U type lifting hook, insert on the second gib tail section be equipped with second pinhole complex second locating pin.
Furthermore, the hook tips of the first U-shaped lifting hook and the second U-shaped lifting hook are both obliquely arranged outwards.
The invention has the beneficial effects that: this frock is equipped with first lifting rope and flange hoist, and the flange hoist includes two U type lifting hooks and drawing piece, relies on two U type lifting hooks to fix on the ring flange during hoist and mount, and the flange hoist can not follow the landing on the ring flange, can effectively prevent work piece hoist and mount unstability, has guaranteed hoist and mount security, and the area of contact of frock and forging is little, and the heat accumulation of frock is little, adopts this frock hoist and mount dysmorphism flange forging quenching can improve the quenching effect greatly.
Drawings
FIG. 1 is a schematic structural view of a profiled flange forging;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of a second U-shaped hook of the present invention;
FIG. 4 is a schematic view of the invention when hoisting a special-shaped flange forging;
FIG. 5 is a right side view of FIG. 4;
shown in the figure: the special-shaped flange lifting appliance comprises a special-shaped flange forging 1, a lifting beam 2, a first lifting rope 3, a chain regulator 4, a flange lifting appliance 5, a flange plate 11, a rod part 12, a first U-shaped lifting hook 51, a second U-shaped lifting hook 52, a second lifting rope 53, a third lifting rope 54, a tension part 55, a buckle 59, a first hook head section 511, a first hook tail section 512, a first pin hole 513, a first positioning pin 514, a hook tip 515, a second hook head section 521, a second hook tail section 522, a second pin hole 523, a second positioning pin 524 and a pin shaft 591.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
The connection in the specification can adopt common connection modes such as welding, bolt connection and the like.
As shown in fig. 2 to 5, the quenching and hoisting tool for the special-shaped flange forging comprises a hoisting beam 2, wherein a first hoisting rope 3 is arranged at one end of the hoisting beam 2, a flange hoisting tool 5 is arranged at the other end of the hoisting beam, and two ends of the first hoisting rope 3 are connected with the hoisting beam 2 after being bent so as to form a rod part hoisting tool; the flange hanger 5 comprises a first U-shaped hook 51, a second U-shaped hook 52, a second lifting rope 53, a third lifting rope 54 and a tension member 55; the first U-shaped hook 51 is connected with the hanging beam 2 through a second hanging rope 53, and the second U-shaped hook 52 is connected with the hanging beam 2 through a third hanging rope 54; the tension member 55 is disposed between the second lifting rope 53 and the third lifting rope 54, and has one end connected to the second lifting rope 53 and the other end connected to the third lifting rope 54.
The connection can adopt common connection modes such as welding, bolt connection and the like.
As shown in fig. 4 and 5, the lifting tool is used, a rod part lifting appliance formed by the first lifting rope 3 is sleeved on the rod part 12 of the special-shaped flange forging 1, and the first U-shaped lifting hook 51 and the second U-shaped lifting hook 52 of the flange lifting appliance 5 are respectively hooked on two sides of the flange plate 11 of the special-shaped flange forging 1 to limit the position of the flange lifting appliance 5 in the axial direction of the flange plate. The distance between the first U-shaped lifting hook 51 and the second U-shaped lifting hook 52 is controlled by the tension member 55, the first U-shaped lifting hook 51 and the second U-shaped lifting hook 52 slide to the outer side of the flange plate 11 when the lifting is prevented, the flange lifting appliance 5 is limited in the position of the radial direction of the flange plate, and therefore the flange lifting appliance cannot slide from the flange plate in the lifting process, the workpiece lifting instability is effectively prevented, and the lifting safety is guaranteed. The tool is used for hoisting the forging by the first hoisting rope and the two U-shaped hoisting hooks, the contact area of the tool and the forging is small, and heat accumulation is small, so that the quenching effect can be greatly improved by hoisting the special-shaped flange forging by the tool.
The first, second and third lifting ropes 3, 53 and 54 may be steel ropes or chains, and the tension member 55 may be a steel rope, a steel rod or a chain. Specifically, the first lifting rope 3, the second lifting rope 53, the third lifting rope 54 and the tension member 55 are chains.
When the second lifting rope 53, the third lifting rope 54 and the tension member 55 are all made of chains, in the figure, the second lifting rope 53, the third lifting rope 54 and the tension member 55 are of an integral structure, that is: the second lifting rope 53, the third lifting rope 54 and the tension member 55 are formed by bending a chain.
When the second lifting rope 53, the third lifting rope 54 and the tension member 55 are formed by bending a chain, in the embodiment of the present invention, the hook tail of the first U-shaped lifting hook 51 and the hook tail of the second U-shaped lifting hook 52 are respectively provided with a U-shaped buckle 59, the buckle 59 is provided with a pin 591 detachably connected to both ends thereof, and the pin 591 of the buckle 59 of the hook tail of the first U-shaped lifting hook 51 is matched with the chain hole of the second lifting rope 53, so as to connect the first U-shaped lifting hook 51 and the second lifting rope 53 together. The pin 591 of the catch 59 of the tail of the second U-shaped hook 52 engages with the hole of the third lifting rope 54, thereby connecting the second U-shaped hook 52 and the third lifting rope 54. When the diameter of the flange plate 11 of the special-shaped flange forging 1 changes, such as: when the size of the forging piece is increased, the pin shafts 591 at the hook tail of the first U-shaped lifting hook 51 and the pin shafts 591 at the hook tail of the second U-shaped lifting hook 52 can be detached and then inserted into the chain holes at the upper ends of the second lifting rope 53 and the third lifting rope 54 respectively so as to adjust the length of the pulled piece 55 and increase the distance between the first U-shaped lifting hook 51 and the second U-shaped lifting hook 52, thereby improving the lifting stability of the forging piece. The pin shafts 591 are detachably connected with the two ends of the buckle 59 specifically by adopting threaded connection, bolt connection, clamping connection and the like, and the buckle 59 can be arranged on the lifting hook by adopting welding, bolt connection and the like.
In the present invention, one end of the first lifting rope 3 is connected to the lifting beam 2 through the chain adjuster 4. So, especially when the forging model is found to change, can be through the height of 4 adjustment rod portion hoists of chain regulator to guarantee that the frock can horizontal hoisting forging.
In order to ensure that the flange hanger 5 of the tool can hoist flange plates 12 with different thicknesses, the first U-shaped hook 51 of the invention comprises a first hook head section 511 and a first hook tail section 512 which are arranged in a mutually sliding manner along the width direction of the first U-shaped hook 51, the first hook head section 511 is provided with a plurality of first pin holes 513 arranged at intervals along the width direction of the first U-shaped hook 51, the first hook tail section 512 is inserted with a first positioning pin 514 matched with the first pin holes 513, the second U-shaped hook 52 comprises a second hook head section 521 and a second hook tail section 522 arranged in a mutually sliding manner along the width direction of the second U-shaped hook 52, the second hook head section 521 is provided with a plurality of second pin holes 523 arranged at intervals along the width direction of the second U-shaped hook 52, and the second hook tail section 522 is inserted with a second positioning pin 524 matched with the second pin holes 523. When the thickness of the flange 12 is increased and the first U-shaped hook 51 and the second U-shaped hook 52 need to be adjusted, the first hook head section 511 and the second hook head section 521 are respectively slid outwards to proper positions along the width direction of the hooks, the first positioning pin 514 is inserted into the first pin hole 513 at the corresponding position, the position of the first hook head section 511 is locked, the second pin hole 523 is inserted into the second pin hole 523 at the corresponding position, and the position of the second hook head section 521 is locked.
In order to facilitate the flange of the forging to be put into the hook, the hook tips 515 of the first U-shaped hook 51 and the second U-shaped hook 52 are preferably arranged obliquely outwards.
Claims (7)
1. The utility model provides a quenching hoist and mount frock for special-shaped flange forging which characterized in that: the lifting device comprises a lifting beam (2), wherein one end of the lifting beam (2) is provided with a first lifting rope (3), the other end of the lifting beam is provided with a flange lifting appliance (5), and two ends of the first lifting rope (3) are connected with the lifting beam (2) after being bent so as to form a rod lifting appliance;
the flange hanger (5) comprises a first U-shaped hook (51), a second U-shaped hook (52), a second lifting rope (53), a third lifting rope (54) and a tension piece (55); the first U-shaped lifting hook (51) is connected with the lifting beam (2) through a second lifting rope (53), and the second U-shaped lifting hook (52) is connected with the lifting beam (2) through a third lifting rope (54); the tension piece (55) is arranged between the second lifting rope (53) and the third lifting rope (54), one end of the tension piece is connected with the second lifting rope (53), and the other end of the tension piece is connected with the third lifting rope (54).
2. The quenching and hoisting tool for the special-shaped flange forging piece as claimed in claim 1, is characterized in that: the first lifting rope (3), the second lifting rope (53), the third lifting rope (54) and the tension piece (55) are all chains.
3. The quenching and hoisting tool for the special-shaped flange forging piece as claimed in claim 2, characterized in that: the second lifting rope (53), the third lifting rope (54) and the tension piece (55) are of an integral structure.
4. The quenching and hoisting tool for the special-shaped flange forging as claimed in claim 3, characterized in that: the hook tail of the first U-shaped lifting hook (51) and the hook tail of the second U-shaped lifting hook (52) are respectively provided with a U-shaped buckle (59), the buckles (59) are provided with pin shafts (591) detachably connected with the two ends of the buckles (59), the pin shaft (591) of the buckle (59) at the hook tail of the first U-shaped lifting hook (51) is matched with a chain hole of the second lifting rope (53), and the pin shaft (591) of the buckle (59) at the hook tail of the second U-shaped lifting hook (52) is matched with a chain hole of the third lifting rope (54).
5. The quenching and hoisting tool for the special-shaped flange forging piece as claimed in claim 2, 3 or 4, wherein: one end of the first lifting rope (3) is connected with the lifting beam (2) through a chain regulator (4).
6. The quenching and hoisting tool for the special-shaped flange forging piece as claimed in claim 1, is characterized in that: the first U-shaped hook (51) comprises a first hook head section (511) and a first hook tail section (512) which are arranged in a mutually sliding manner along the width direction of the first U-shaped hook (51), the first hook head section (511) is provided with a plurality of first pin holes (513) which are arranged at intervals along the width direction of the first U-shaped hook (51), a first positioning pin (514) matched with the first pin hole (513) is inserted on the first hook tail section (512), the second U-shaped hook (52) comprises a second hook head section (521) and a second hook tail section (522) which are mutually arranged in a sliding way along the width direction of the second U-shaped hook (52), the second hook head section (521) is provided with a plurality of second pin holes (523) which are arranged at intervals along the width direction of the second U-shaped hook (52), and a second positioning pin (524) matched with the second pin hole (523) is inserted into the second hook tail section (522).
7. The quenching and hoisting tool for the special-shaped flange forging piece as claimed in claim 1, is characterized in that: the hook tips of the first U-shaped hook (51) and the second U-shaped hook (52) are all arranged in an outward inclined mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110819258.4A CN113371589B (en) | 2021-07-20 | 2021-07-20 | Quenching hoisting tool for special-shaped flange forging |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110819258.4A CN113371589B (en) | 2021-07-20 | 2021-07-20 | Quenching hoisting tool for special-shaped flange forging |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113371589A true CN113371589A (en) | 2021-09-10 |
CN113371589B CN113371589B (en) | 2022-03-22 |
Family
ID=77582581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110819258.4A Active CN113371589B (en) | 2021-07-20 | 2021-07-20 | Quenching hoisting tool for special-shaped flange forging |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113371589B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114836610A (en) * | 2022-04-29 | 2022-08-02 | 重庆长征重工有限责任公司 | Charging and discharging method for coupler yoke |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02286593A (en) * | 1989-04-26 | 1990-11-26 | Sanwa Tekki Corp | Hanging hook of steel pipe for steel tower |
CN205603040U (en) * | 2016-05-18 | 2016-09-28 | 岭澳核电有限公司 | Special lifting device and work piece hoisting structure with adjustable nuclear power station focus deviation |
CN205820680U (en) * | 2016-07-14 | 2016-12-21 | 中钢集团西安重机有限公司 | Remain silent vertical mill roll Telescopic lifting appliance |
CN206417772U (en) * | 2016-11-29 | 2017-08-18 | 中科合肥微小型燃气轮机研究院有限责任公司 | A kind of gas turbine horizontal sling |
CN207209744U (en) * | 2017-08-16 | 2018-04-10 | 武汉重工铸锻有限责任公司 | A kind of quenching hook frock for the heat treatment lifting of single flange main shaft |
CN108557630A (en) * | 2018-05-15 | 2018-09-21 | 河南瑞创通用机械制造有限公司 | A kind of multi-functional rotary hanger |
CN108862002A (en) * | 2018-07-26 | 2018-11-23 | 中交第航务工程局有限公司 | A kind of tower crane dead zone ultra-thin steel sheet shear wall boom hoisting and its hanging method |
CN208648524U (en) * | 2018-02-11 | 2019-03-26 | 吉瑞德新能源科技(天津)有限公司 | A kind of high intensity hoisting sling |
CN210029720U (en) * | 2019-06-21 | 2020-02-07 | 五冶集团上海有限公司 | Gas turbine upper and lower platform dismounting lifting appliance |
CN210286442U (en) * | 2019-07-22 | 2020-04-10 | 江苏安顺压力容器制造有限公司 | Transfer device for pressure vessel flange machining |
-
2021
- 2021-07-20 CN CN202110819258.4A patent/CN113371589B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02286593A (en) * | 1989-04-26 | 1990-11-26 | Sanwa Tekki Corp | Hanging hook of steel pipe for steel tower |
CN205603040U (en) * | 2016-05-18 | 2016-09-28 | 岭澳核电有限公司 | Special lifting device and work piece hoisting structure with adjustable nuclear power station focus deviation |
CN205820680U (en) * | 2016-07-14 | 2016-12-21 | 中钢集团西安重机有限公司 | Remain silent vertical mill roll Telescopic lifting appliance |
CN206417772U (en) * | 2016-11-29 | 2017-08-18 | 中科合肥微小型燃气轮机研究院有限责任公司 | A kind of gas turbine horizontal sling |
CN207209744U (en) * | 2017-08-16 | 2018-04-10 | 武汉重工铸锻有限责任公司 | A kind of quenching hook frock for the heat treatment lifting of single flange main shaft |
CN208648524U (en) * | 2018-02-11 | 2019-03-26 | 吉瑞德新能源科技(天津)有限公司 | A kind of high intensity hoisting sling |
CN108557630A (en) * | 2018-05-15 | 2018-09-21 | 河南瑞创通用机械制造有限公司 | A kind of multi-functional rotary hanger |
CN108862002A (en) * | 2018-07-26 | 2018-11-23 | 中交第航务工程局有限公司 | A kind of tower crane dead zone ultra-thin steel sheet shear wall boom hoisting and its hanging method |
CN210029720U (en) * | 2019-06-21 | 2020-02-07 | 五冶集团上海有限公司 | Gas turbine upper and lower platform dismounting lifting appliance |
CN210286442U (en) * | 2019-07-22 | 2020-04-10 | 江苏安顺压力容器制造有限公司 | Transfer device for pressure vessel flange machining |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114836610A (en) * | 2022-04-29 | 2022-08-02 | 重庆长征重工有限责任公司 | Charging and discharging method for coupler yoke |
CN114836610B (en) * | 2022-04-29 | 2023-11-28 | 重庆长征重工有限责任公司 | Charging and discharging method for tail hooking frame |
Also Published As
Publication number | Publication date |
---|---|
CN113371589B (en) | 2022-03-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN113371589B (en) | Quenching hoisting tool for special-shaped flange forging | |
CN108405775A (en) | A kind of process for forging of jumbo hooks | |
CN210286444U (en) | Safety lifting appliance for ring forging | |
CN217377008U (en) | Gantry hook with interval adjusting structure | |
CN202284116U (en) | Lifting appliance special for large equipment | |
CN210763902U (en) | Heat treatment lifting appliance for ring forging in wind power industry | |
CN212799331U (en) | Movable lifting appliance using I-shaped steel as lifting point | |
CN203889874U (en) | Special hanger for welding and hoisting cab floor groove assembly | |
CN215828157U (en) | Section bar lifting appliance | |
CN215828156U (en) | Steel pipe lifting appliance | |
CN215160256U (en) | Large-size sliding seat overturning lifting appliance of vertical machining center | |
CN209906191U (en) | Rotatable carbon block lifting appliance | |
CN212475763U (en) | Hanging beam roller hanger | |
CN211769760U (en) | Double-fork C-shaped lifting appliance | |
CN212450239U (en) | Anchor chain looper center push rod handling frock | |
CN210103279U (en) | Lifting appliance | |
CN214733859U (en) | Metallurgical dedicated hoist | |
CN214733912U (en) | Anti-swing device for crane sling | |
CN215479185U (en) | Hook assembly for automatic online solid solution heat treatment of high-temperature alloy | |
CN220618123U (en) | Heat treatment lifting device for high manganese steel castings, with distance convenient to adjust | |
CN215479150U (en) | Hook releasing device | |
CN215287661U (en) | Heavy-calibre steel pipe overhead hoist | |
CN215208028U (en) | Special lifting appliance for roller shoulder ring | |
CN220131698U (en) | Lifting appliance and working machine | |
CN221853939U (en) | Lifting appliance for mounting prefabricated hollow slab |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |