CN112193994A - Rubber protection device for hoisting cold-rolled steel coil - Google Patents
Rubber protection device for hoisting cold-rolled steel coil Download PDFInfo
- Publication number
- CN112193994A CN112193994A CN202011170704.5A CN202011170704A CN112193994A CN 112193994 A CN112193994 A CN 112193994A CN 202011170704 A CN202011170704 A CN 202011170704A CN 112193994 A CN112193994 A CN 112193994A
- Authority
- CN
- China
- Prior art keywords
- steel
- steel plate
- coil
- protective layer
- rubber
- 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.)
- Pending
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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
- B66C1/30—Duplicate, e.g. pivoted, members engaging the loads from two sides and also arranged to grip the sides of the loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
Abstract
The invention relates to a rubber protection device for hoisting a cold-rolled steel coil, which comprises: a steel plate protective layer, a pull rod, a steel cylinder protective sleeve, a magnet positioning frame, a spring, a steel cylinder, a vertical steel plate, a suction claw protective layer, a magnet suction claw and an arc-shaped bearing plate, wherein the lower end of the vertical steel plate is welded on one end of the arc-shaped bearing plate, the outer parts of the vertical steel plate and the arc-shaped bearing plate are coated with steel plate protective layers, the steel plate protective layer at the outer side of the arc-shaped bearing plate is contacted with the inner wall of the hole of the hung steel coil, the steel plate protective layer at the inner side of the vertical steel plate is contacted with the side wall of the hung steel coil, at least two steel cylinders are welded at the upper end of the vertical steel plate, a spring is arranged in each steel cylinder, the lower end of each spring is propped against the vertical steel plate, the upper end of each spring is propped against a pull rod, the pull rod extends out of each steel cylinder, the upper end of each pull rod is bent towards the outer circumferential surface of the hung steel coil, the upper end of the pull rod is welded with a magnet positioning frame, a magnet absorption claw is arranged in the magnet positioning frame, and the outer sides of the steel plate protective layer, the steel cylinder protective sleeve and the absorption claw protective layer are on the same straight line.
Description
Technical Field
The invention relates to a clamp sheath, in particular to a rubber protective device for hoisting a cold-rolled steel coil.
Background
The quality of a cold-rolled product influences the quality level of products of a whole steel mill to a great extent, the process flow of the cold-rolled product is complex, the equipment investment is large, the technical content is high, the performance and appearance requirements of the product quality are high, the difference of the appearance quality directly influences the quality grade of the product, the condition that a cold-rolled plate of the steel mill is degraded by a client due to the appearance quality exists generally, huge quality waste and value loss are caused invisibly, the market value of the cold-rolled product degraded due to the appearance quality of the product is thousands of yuan every year in China, therefore, the improvement of the surface quality of the cold-rolled steel coil is positively practiced to the quality improvement and efficiency improvement advocated by the nation, and the work has great practical significance for improving the appearance quality and yield of the cold-rolled steel coil products in China.
The thickness of the cold-rolled strip steel is generally thin, the thickness is generally 0.3mm-2mm, the strip steel plate is generally in a steel coil (coil weight is generally between 8-28 tons) form to carry out crane lifting in a plurality of links of the production process flow and transportation, in a key transportation link related to the surface quality of the steel plate, if the steel coil is not protected, when the crane clamp clamps and lifts the steel coil, because the end surface of the steel coil has the conditions of unevenness, misalignment and the like, when the steel heavy clamp clamps forcibly clamp and lift, the steel coil clamping damage, scratch and the like can occur on the steel plate with the very thin thickness at the position of the unevenness and misalignment of the end surface of the steel coil, and the long-term mutual abrasion between the clamp and the steel coil can cause the service life shortening and the safety factor reduction of the convex-concave contact arm of the clamp, thereby increasing the safety risk in the operation; in addition, in the handling operation process, the contact of steel overhead traveling crane clamp pincers foot and coil of strip internal diameter, main coil of strip weight is undertaken to the pincers foot, consequently, appears slight relative motion when pincers foot and coil of strip internal diameter contact, all can produce phenomenons such as damage, mar to the steel sheet surface of coil of strip internal diameter. Along with increasingly strict requirements of steel coil users on product quality, the problem of coil damage is caused in the process of lifting steel coils, the steel coil yield is seriously influenced, a large number of products with different qualities are brought, further, the economic benefit of an advanced high-investment and highly-automatic cold rolling production line is greatly reduced, and meanwhile, effective market competitiveness is lacked in complicated and variable steel market quotations.
The existing protection methods mainly comprise two types, one type is protection improvement on the crown block clamp, and the main type is to fix a macromolecule or rubber guard plate on the side of the crown block clamp arm for clamping the steel coil and the surface of the clamp foot to protect the steel coil. The other kind is to protecting the coil of strip, mainly is that the rubber safety cover of a shape similar straw hat structure is respectively advanced in the internal diameter at coil of strip both ends, avoids clamp direct contact coil of strip to cause coil of strip terminal surface damage, and the main problem that this kind of rubber safety cover exists is in the use: in the production of modern cold-rolled steel coils, the internal diameter of the steel coil is mostly phi 610mm, the external diameter of the steel coil is generally 1500-2200mm, the weight of the rubber protective cover which meets the use size requirement and is similar to a straw hat structure is generally about 25 kg (if a shaping steel framework is added, the weight can be at least increased to 30 kg), firstly, the weight is large, the rubber protective cover is very heavy and inconvenient to use and flexible, an operator needs to assemble and disassemble, and the labor intensity is very high; secondly, the outer diameter of the rubber protective cover is about 1200mm, the thickness is about 15mm, the rubber protective cover is inconvenient to install by one person, and the rubber protective cover generally needs to be installed in a centering way by two persons, so that the time cost of the personnel is increased; in addition, if reach fine guard action and long-life to the coil of strip the most crucial, generally still need increase design steel skeleton and increase the thickness of rubber coating and coil of strip contact surface glue film, can cause weight and cost to increase a lot like this, no matter in the convenience of use, or on the cost, the realistic condition can not accept yet.
Disclosure of Invention
The invention aims to solve the problem that clamp arms and clamp feet cannot be effectively protected in the prior art, and provides a rubber protection device for lifting a cold-rolled steel coil. The rubber protection device realizes effective protection of the steel coil, the clamp arms and the clamp feet, and has the characteristics of convenience in installation, suitability for steel coils with different outer diameters, different working conditions of crown blocks and long service life.
In order to achieve the purpose of the invention, the following technical scheme is adopted in the application:
the invention relates to a rubber protection device for hoisting a cold-rolled steel coil, which is respectively arranged at two symmetrical sides of a hoisted steel coil, two clamp arms hoisted by the cold-rolled steel coil respectively extend into a hole of the hoisted steel coil, and the two clamp arms are respectively in direct contact with the rubber protection device, wherein: the rubber protector includes: the steel plate protective layer is welded on one end of the arc-shaped bearing plate, the steel plate protective layer is coated outside the vertical steel plate and the arc-shaped bearing plate, the steel plate protective layer outside the arc-shaped bearing plate is contacted with the inner wall of a hole of a hung steel coil, the steel plate protective layer inside the vertical steel plate is contacted with the side wall of the hung steel coil, the vertical steel plate is a fan-shaped steel plate attached to the side wall of the hung steel coil, at least two steel cylinders are welded at the upper end of the vertical steel plate, the steel cylinder protective layer is coated outside the steel cylinders, springs are arranged in the steel cylinders, the lower ends of the springs are welded on the vertical steel plate, the upper ends of the springs are welded on the pull rod, the pull rod extends out of the steel cylinders, the upper ends of the pull rods are bent towards the direction of the outer circumferential surface of the hung steel coil, and the magnet positioning frame is welded at the upper ends of the pull rods, the magnet positioning frame is internally provided with a magnet suction claw, the upper end of the pull rod and the magnet positioning frame are parallel to the axis of a hung steel coil, the upper end of the pull rod and the outer part of the magnet positioning frame are coated with a suction claw protective layer, and the outer sides of the steel plate protective layer, the steel cylinder protective sleeve and the suction claw protective layer are on the same straight line, so that the outer sides of the steel plate protective layer, the steel cylinder protective sleeve and the suction claw protective layer are respectively contacted with the two clamp arms.
The invention relates to a rubber protection device for hoisting a cold-rolled steel coil, which comprises the following components in part by weight: the vertical steel plate is a 50-120-degree fan-shaped steel plate.
The invention relates to a rubber protection device for hoisting a cold-rolled steel coil, which comprises the following components in part by weight: the vertical steel plate is provided with a plurality of lightening holes which are uniformly distributed along the circumferential direction of the sector surface of the vertical steel plate.
The invention relates to a rubber protection device for hoisting a cold-rolled steel coil, which comprises the following components in part by weight: three steel cylinders are arranged at the upper end of the vertical steel plate.
The invention relates to a rubber protection device for hoisting a cold-rolled steel coil, which comprises the following components in part by weight: the thickness of the inner side of the steel plate protective layer on the vertical steel plate is larger than that of the steel cylinder protective sleeve on the same side, so that the inner side of the steel plate protective layer is in contact with the side wall of the hung steel coil, and the steel cylinder protective sleeve is not in contact with the side wall of the hung steel coil.
The invention relates to a rubber protection device for hoisting a cold-rolled steel coil, which comprises the following components in part by weight: the suction claw protective layer and the steel cylinder protective sleeve are made of polyurethane or natural rubber.
The invention relates to a rubber protection device for hoisting a cold-rolled steel coil, which comprises the following components in part by weight: the Shore hardness range of the rubber on the inner side of the steel plate protective layer is SHORE 45-65, and the protective layer plays a role in protecting the edge of the steel plate on the end face of the steel coil.
The rubber protection device for hoisting the cold-rolled steel coil has the following advantages:
according to the size range of the inner diameter of the steel coil and the outer diameter of the steel coil, a suction claw part mainly comprising a magnet, a pull rod and a spring and a protection body part mainly comprising a pull rod steel cylinder, a fan-shaped metal framework and rubber are designed. The magnet plays the effect of adjusting the installation size to steel sheet adsorption positioning effect, pull rod and spring, and fan-shaped foraminiferous metal framework plays the reinforcing design and supports, subtracts heavy, long-life effect, and the rubber layer mainly plays the effect of protection, buffering to the steel sheet.
Due to the structural design of the fan-shaped metal framework with holes, the protective device is light in weight, convenient and fast to install and low in labor intensity; the magnetic telescopic suction claw is structurally designed, so that the effects of convenience in assembly and positioning, adjustability in installation size and light weight are realized; the outer surface of the device is completely of a rubber structural design, so that the device can be used for isolating and protecting a steel coil and a clamp, and avoiding friction damage between a clamp arm and the steel coil, the safety factor of the crown block arm is greatly improved, and the personnel safety of a production field is protected.
Welding the joints of the fan-shaped metal framework and the pull rod steel cylinder, respectively welding the two ends of the spring with the lower end of the pull rod and the lower end of the pull rod steel cylinder, welding the upper end of the pull rod with a positioning steel frame with a magnet, forming the framework of the integral device, and carrying out a one-step integral polyurethane rubber pouring and encapsulating molding process.
And fourthly, the rubber layer on the inner side of the protection plate of the device protrudes a little, the part is in contact with the steel coil, the wear-resistant buffer effect is realized, the rubber with high impact resistance, low friction coefficient, wear resistance and moderate Shore hardness is adopted, and the characteristics of the adopted rubber are beneficial to playing the functions of preventing steel curling from being damaged, absorbing impact force and resisting wear.
The device and the framework are simple and convenient to assemble, the magnetic telescopic sucking claw is positioned and adsorbed on the outer diameter of the steel coil, the magnetic telescopic sucking claw is downwards forced through the lightening hole, the circular arc bearing plate of the device is pulled to be capable of being arranged in the inner diameter of the steel coil, and after the device is loosened, the device is tightly fixed on the steel coil under the elastic action of the spring.
Drawings
FIG. 1 is a schematic forward view of the rubber protective device for cold-rolled steel coil lifting of the present invention mounted on a cold-rolled lifting steel coil crown block;
FIG. 2 is an enlarged view taken along the line A in FIG. 1, and only the rubber guard and the suspended steel coil of the present invention are shown for clarity;
FIG. 3 is an enlarged view taken along line B of FIG. 1, showing only the rubber guard of the present invention for clarity;
FIG. 4 is an enlarged side elevational view taken along line C-C of FIG. 3;
fig. 5 is a top view enlarged schematic cross-sectional view taken along line D-D of fig. 4.
In fig. 1 to 5, reference numeral 1 is a hook; reference numeral 2 is a support; the reference numeral 3 is a clamp opening and closing mechanism; reference numeral 4 denotes a clamp arm; the reference numeral 5 is a steel plate protective layer; reference numeral 6 is a lightening hole; reference numeral 7 is a draw bar; the reference number 8 is a steel cylinder protective sleeve; reference numeral 9 is a magnet positioning frame; reference numeral 10 is a spring; reference numeral 11 is a steel cylinder; reference numeral 12 is a vertical steel plate; reference numeral 13 denotes a claw-attracting protective layer; reference numeral 14 denotes a magnet claw; reference numeral 15 is a hung steel coil; the number 16 is the hole of the hung steel coil; reference numeral 17 denotes a circular arc-shaped bearing plate.
Detailed Description
As shown in fig. 1 and 2, the hoisting of the cold-rolled steel coil comprises: the clamp comprises a hook 1, a support 2, a clamp opening and closing mechanism 3 and a clamp arm 4. The rubber protection devices for lifting the cold-rolled steel coil are respectively arranged on two symmetrical sides of the lifted steel coil 15, two clamp arms 4 for lifting the cold-rolled steel coil respectively extend into a hole 16 of the lifted steel coil, and the two clamp arms 4 are respectively in direct contact with the rubber protection devices.
As shown in fig. 3 to 5, the rubber guard includes: the steel plate protective layer 5, the pull rod 7, the steel cylinder protective sleeve 8, the magnet positioning frame 9, the spring 10, the steel cylinder 11, the vertical steel plate 12, the absorption claw protective layer 13, the magnet absorption claw 14 and the arc-shaped bearing plate 17, the lower end of the vertical steel plate 12 is welded on one end of the arc-shaped bearing plate 17, the steel plate protective layer 5 covers the vertical steel plate 12 and the arc-shaped bearing plate 17, the steel plate protective layer 5 on the outer side of the arc-shaped bearing plate 17 is in contact with the inner wall of the hung steel coil hole 16, the steel plate protective layer 5 on the inner side of the vertical steel plate 12 is in contact with the side wall of the hung steel coil 15, the vertical steel plate 12 is a 60-degree fan-shaped steel plate attached to the side wall of the hung steel coil 15, 4 lightening holes 6 are formed in the vertical steel plate 12. The steel coil lifting device is characterized in that three steel cylinders 11 are arranged at the upper end of a vertical steel plate 12, a steel cylinder protective sleeve 8 is coated outside the steel cylinders 11, a spring 10 is arranged in each steel cylinder 11, the lower end of the spring 10 abuts against the vertical steel plate 12, the upper end of the spring 10 abuts against a pull rod 7, the pull rod 7 extends out of each steel cylinder 11, the upper end of each pull rod 7 bends towards the outer circumferential surface of a lifted steel coil 15, a magnet positioning frame 9 is welded at the upper end of each pull rod 7, a magnet suction claw 14 is arranged in each magnet positioning frame 9, the upper end of each pull rod 7 and the magnet positioning frame 9 are parallel to the axis of the lifted steel coil 15, a suction claw protective layer 13 is coated at the upper end of each pull rod 7 and outside the magnet positioning frame 9, and the outer sides of each steel plate protective layer 5, the steel cylinder protective sleeve 8 and the suction claw protective layer 13 are on the same straight line, so that the outer sides of the steel. The thickness of the inner side of the steel plate protective layer 5 on the vertical steel plate 12 is larger than that of the steel cylinder protective sleeve 8 on the same side, so that the inner side of the steel plate protective layer 5 is in contact with the side wall of the hung steel coil 15, and the steel cylinder protective sleeve 8 is not in contact with the side wall of the hung steel coil 15. The jaw protection layer 13 and the steel cylinder protection sleeve 8 are made of polyurethane or natural rubber. The Shore hardness range of rubber on the inner side of the steel plate protective layer 5 is SHORE 45-65, and the protective layer plays a role in protecting the edge of the steel plate on the end face of the steel coil.
The installation method of the rubber protection device for hoisting the cold-rolled steel coil is described as follows:
firstly, the magnetic iron-extending absorption claw 14 is positioned and absorbed on the outer diameter of the hung steel coil 15, then the magnetic iron-extending absorption claw is downwards forced through the lightening hole, the circular arc-shaped bearing plate 17 of the device is pulled to be capable of being arranged in the inner diameter of the steel coil, and the circular arc-shaped bearing plate 17 coated with the steel plate protective layer 5 is attached to the inner diameter of the hung steel coil 15. After the hands are loosened, the rubber guard of the present invention is tightly fixed to both ends of the steel coil by the elastic force of the spring 10.
The working principle of the rubber protection device for hoisting the cold-rolled steel coil is described as follows:
firstly, the clamp arms 4 descend, clamp feet are aligned with the centers of the hung steel coil holes 16 of which two ends are provided with rubber protection devices, the clamp arms 4 are properly tightened and ascend to be in contact with the arc-shaped bearing plate 17 of the invention, the two clamp arms 4 are respectively attached and clamped with the outer sides of the steel plate protection layer 5, the steel cylinder protection sleeve 8 and the suction claw protection layer 13, at the moment, the concave-convex part of the end surface of the hung and rolled steel 15 and the overflow part of the end surface coil are embedded into the elastic rubber at the outer side of the steel plate protection layer 5, the clamp arms 4 cannot damage the hung and rolled steel 15 after hanging the hung and rolled steel 15, the effect of protecting the end surface steel plate of the hung and rolled steel 15 is achieved to the maximum extent, after the hanging and rolling are in place, the two clamp arms 4 are opened to be away from the hung and rolled steel 15, and an operator can dismount.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (8)
1. The utility model provides a rubber protector for cold rolled steel coil handling, rubber protector adorns respectively in the both sides of being hung coil of strip (15) symmetry, and two clamp arm (4) of cold rolled steel coil handling stretch into respectively by hanging coil of strip hole (16), two clamp arm (4) respectively with rubber protector direct contact, its characterized in that: the rubber protector includes: the steel plate protective layer (5), the pull rod (7), the steel cylinder protective sleeve (8), the magnet positioning frame (9), the spring (10), the steel cylinder (11), the vertical steel plate (12), the suction claw protective layer (13), the magnet suction claw (14) and the arc-shaped bearing plate (17), wherein the lower end of the vertical steel plate (12) is welded on one end of the arc-shaped bearing plate (17), the steel plate protective layer (5) is coated outside the vertical steel plate (12) and the arc-shaped bearing plate (17), the steel plate protective layer (5) on the outer side of the arc-shaped bearing plate (17) is contacted with the inner wall of a hung steel coil hole (16), the steel plate protective layer (5) on the inner side of the vertical steel plate (12) is contacted with the side wall of the hung steel coil (15), the vertical steel plate (12) is a fan-shaped steel plate which is attached to the side wall of the hung steel coil (15), at least two steel cylinders (11) are welded on the upper end of the vertical steel plate, a spring (10) is arranged in the steel cylinder (11), the lower end of the spring (10) is propped against the vertical steel plate (12), the upper end of the spring (10) is propped against the pull rod (7), the pull rod (7) extends out of the steel cylinder (11), the upper end of the pull rod (7) is bent towards the direction of the outer circumferential surface of the hung steel coil (15), the upper end of the pull rod (7) is welded with a magnet positioning frame (9), a magnet absorption claw (14) is arranged in the magnet positioning frame (9), the upper end of the pull rod (7) and the magnet positioning frame (9) are parallel to the axis of the hung steel coil (15), the upper end of the pull rod (7) and the outside of the magnet positioning frame (9) are coated with a claw-absorbing protective layer (13), the outer sides of the steel plate protective layer (5), the steel cylinder protective sleeve (8) and the claw-absorbing protective layer (13) are on the same straight line, so that the outer sides of the steel plate protective layer (5), the steel cylinder protective sleeve (8) and the suction claw protective layer (13) are respectively contacted with the two clamp arms (4).
2. The rubber guard for handling the cold rolled steel coil as claimed in claim 1, wherein: the vertical steel plate (12) is a sector steel plate with the angle of 50-120 degrees.
3. The rubber guard for handling the cold rolled steel coil as claimed in claim 2, wherein: the vertical steel plate (12) is provided with a plurality of lightening holes (6), and the lightening holes (6) are uniformly distributed along the circumferential direction of the sector of the vertical steel plate (12).
4. The rubber guard for handling the cold rolled steel coil as claimed in claim 3, wherein: three steel cylinders (11) are arranged at the upper end of the vertical steel plate (12).
5. The rubber guard for handling the cold rolled steel coil as claimed in claim 4, wherein: the thickness of the inner side of the steel plate protective layer (5) on the vertical steel plate (12) is larger than that of the steel cylinder protective sleeve (8) on the same side, so that the inner side of the steel plate protective layer (5) is in contact with the side wall of the hung steel coil (15), and the steel cylinder protective sleeve (8) is not in contact with the side wall of the hung steel coil (15).
6. The rubber guard for handling the cold rolled steel coil as claimed in claim 5, wherein: the suction claw protective layer (13) and the steel sleeve protective sleeve (8) are made of casting polyurethane or natural rubber.
7. The rubber guard for handling the cold rolled steel coil as claimed in claim 6, wherein: the Shore hardness of the polyurethane or the natural rubber is 45-90 degrees.
8. The rubber guard for handling the cold rolled steel coil as claimed in claim 5, wherein: the Shore hardness range of rubber on the inner side of the steel plate protective layer (5) is SHORE 45-65, and the edge of the steel plate on the end face of the steel coil is protected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011170704.5A CN112193994A (en) | 2020-10-28 | 2020-10-28 | Rubber protection device for hoisting cold-rolled steel coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011170704.5A CN112193994A (en) | 2020-10-28 | 2020-10-28 | Rubber protection device for hoisting cold-rolled steel coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112193994A true CN112193994A (en) | 2021-01-08 |
Family
ID=74011705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011170704.5A Pending CN112193994A (en) | 2020-10-28 | 2020-10-28 | Rubber protection device for hoisting cold-rolled steel coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112193994A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112897329A (en) * | 2021-04-25 | 2021-06-04 | 江苏徐工工程机械研究院有限公司 | Clamping and lifting device of inspection well cover base and engineering machinery |
-
2020
- 2020-10-28 CN CN202011170704.5A patent/CN112193994A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112897329A (en) * | 2021-04-25 | 2021-06-04 | 江苏徐工工程机械研究院有限公司 | Clamping and lifting device of inspection well cover base and engineering machinery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203247012U (en) | Composite insulator hoisting fixture | |
| CN112193994A (en) | Rubber protection device for hoisting cold-rolled steel coil | |
| CN213445784U (en) | Rubber protection device for hoisting cold-rolled steel coil | |
| CN214755300U (en) | Structure convenient to cable protective pipe installation | |
| CN215101506U (en) | Hoist device that intelligence building was used | |
| CN113264454B (en) | Engine hanging bracket convenient to adjust and used for repair | |
| CN211998452U (en) | Hoist and mount clamping device for building engineering | |
| CN212639669U (en) | Prefabricated staircase hoist and mount hoist | |
| CN209442482U (en) | Cage is used in a kind of electromechanical equipment lifting of good corrosion resistance | |
| CN207330135U (en) | Overhead traveling crane anti-off board | |
| CN219839370U (en) | Special lifting appliance for electrolytic bath anode guide rod | |
| CN111392565A (en) | Port hoisting mechanical arm | |
| CN205960492U (en) | Change instrument is assisted to perpendicular telescopic isolator static contact | |
| CN220172826U (en) | Wire unwrapping wire pulley suspension assembly | |
| CN216105560U (en) | Steel plate hoisting device | |
| CN213622897U (en) | Clamp sheath with metal rubber composite structure for cold-rolled hoisting steel coil overhead traveling crane | |
| CN220223209U (en) | Lifting appliance convenient to release | |
| CN220393070U (en) | Installation lifting appliance | |
| CN210558887U (en) | Refractory brick hoisting clamp | |
| CN210162195U (en) | Conveying final assembly device in workshop | |
| CN211846924U (en) | Hoisting accessory is used in toughened glass transport | |
| CN213927421U (en) | Hanging flower basket fixing device is used in curtain construction | |
| CN213770455U (en) | Prefabricated part carrying tool for highway pavement reconstruction | |
| CN214692980U (en) | Adjustable telescopic arm of small crane | |
| CN214989642U (en) | A novel hoist for steel shotcrete hoist and mount |
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 |