CN118239405A - Electric hoist device that colliery was opened and was used - Google Patents
Electric hoist device that colliery was opened and was used Download PDFInfo
- Publication number
- CN118239405A CN118239405A CN202410666104.XA CN202410666104A CN118239405A CN 118239405 A CN118239405 A CN 118239405A CN 202410666104 A CN202410666104 A CN 202410666104A CN 118239405 A CN118239405 A CN 118239405A
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- China
- Prior art keywords
- winding rollers
- plate
- electric hoist
- coal mine
- lifting
- Prior art date
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- 238000004804 winding Methods 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000003245 coal Substances 0.000 claims abstract description 14
- 230000005484 gravity Effects 0.000 claims abstract description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention relates to the field of hoisting devices, and provides an electric hoist hoisting device for coal mine exploitation, which comprises a bearing base, a positioning plate, a double-shaft motor, a pressure conversion mechanism and the like, wherein the positioning plate is arranged in the middle of the bottom surface of the bearing base; the pressure conversion mechanism comprises a mounting plate, winding rollers and the like, wherein the mounting plate is symmetrically and fixedly arranged on the front side and the rear side of the bearing base, and the winding rollers are oppositely arranged between the mounting plate and the positioning plate. When the lifting device is used for lifting the article, the gravity of the lifted article is uniformly spread on the four symmetrically arranged winding rollers through the steel rope, so that the direct stress of the output shaft of the double-shaft motor is avoided, the loss of the device in use is reduced, the service life of the device is prolonged, the lifting piece and the steel rope are connected by the movable pulley, and when the article is lifted, half of driving force can be saved compared with the traditional lifting hook.
Description
Technical Field
The invention relates to the field of hoisting devices, in particular to an electric hoist hoisting device for coal mine exploitation.
Background
The electric hoist is a hoisting machine, and is mainly used for lifting, traction and carrying heavy objects, and is common in factories, warehouses, construction sites and other places. The lifting hook or the bearing platform is lifted by electrically driving an internal lifting device (such as a winch or a hoisting mechanism), so that the lifting operation of goods is realized.
When mining the coal mine, the electric hoist is required to hoist the ore, when the existing electric hoist is used, the winding roller shaft is usually directly connected with the output shaft of the electric hoist, the cable on the winding roller shaft is used for binding and fixing the counterweight, the winding roller shaft is driven to rotate by the output shaft of the electric hoist, so that the cable is wound, and the hoisting of the counterweight is completed.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the electric hoist lifting device for coal mine exploitation, which can avoid bearing force and pressure between output shafts of electric hoist machines.
The technical scheme is as follows: the utility model provides an electric hoist device that colliery was opened and is used, includes bearing base, locating plate, biax motor, changes pressure mechanism, cable wire and hoist and mount piece, the locating plate set up in bearing base bottom surface middle part, biax motor fixed mounting in bearing base top is used for providing power for the hoist and mount of heavy object; the rotating press mechanism comprises a mounting plate, winding rollers and belt pulley groups, wherein the mounting plate is symmetrically and fixedly arranged on the front side and the rear side of the bearing base, the winding rollers are oppositely arranged between the mounting plate and the positioning plate, the belt pulley groups are arranged between the winding rollers and output shafts of the double-shaft motors, the belt pulley groups are matched with the winding rollers one by one, and the double-shaft motors can indirectly drive the winding rollers to rotate through the belt pulley groups; the steel cable is provided with two, and the both ends of steel cable are respectively rigid coupling in two of homonymy on the winding roller, and two of homonymy can be right the steel cable is rolled or is made its to stretch when the winding roller rotates, the hoist and mount piece set up in on the steel cable, the hoist and mount piece is used for hanging the heavy object of waiting to hoist.
Further, the output shafts of the double-shaft motors are in regular triangle distribution with the rotating shafts of the two corresponding winding rollers.
Further, the lifting piece comprises a mounting block, a pulley and a hook, wherein the mounting block is a main body of the lifting piece, the pulley is rotatably arranged on the upper portion of the mounting block, the lifting piece can be matched with the steel cable through the pulley, and the hook is fixedly arranged on the lower portion of the mounting block and used for hanging a weight.
Further, the pulley can drive the lifting piece to ascend along with the steel cable when the steel cable is wound, and the gravity of hanging the weight on the lifting piece is uniformly distributed on the two corresponding winding rollers through the steel cable.
Furthermore, the two lifting pieces can be matched together to finish lifting of a single weight, and can be used independently to lift different weights.
Further, the device also comprises a trapezoid plate and a locking mechanism, wherein the trapezoid plate is arranged on the positioning plate in a bilateral symmetry manner; the locking mechanism comprises guide rods, sliding blocks, rotating rods and braking pieces, wherein the guide rods are symmetrically arranged in the middle of the locating plate, the two guide rods penetrate through the locating plate, the two sliding blocks are arranged on the sliding blocks, the sliding blocks can be in sliding fit with the two guide rods, the two sliding blocks are separated by the locating plate, the braking pieces are symmetrically arranged on the trapezoid plates in a sliding mode, holes allowing rotation shafts of the winding rollers to penetrate through are formed in the middle of the braking pieces, the rotating rods are symmetrically arranged on the sliding blocks in a rotating mode, and the rotating rods are connected with the braking pieces closest to the rotating shafts.
Furthermore, two brake blocks on the same trapezoid plate are separated by the positioning plate, each brake block corresponds to a winding roller, and when the brake blocks contact and apply pressure to the winding rollers, the winding rollers can be limited to continuously rotate.
Further, the locking mechanism further comprises a gear motor and a bidirectional screw rod, the gear motor is arranged on the inner side of the mounting plate, the bidirectional screw rod penetrates through the positioning plate, the bidirectional screw rod is connected with the sliding blocks through threaded rotation, and the output of the gear motor is fixedly connected with the bidirectional screw rod.
Further, the device also comprises a cross beam, wherein the cross beam is symmetrically arranged at the bottom of the bearing base, a waist-shaped hole is formed in the cross beam, the mounting plate can be fixedly arranged on the cross beam by penetrating through the waist-shaped hole through bolts, and the mounting position of the mounting plate can be adjusted in the waist-shaped hole.
The invention has the following advantages: 1. according to the invention, the driving force of the double-shaft motor is transmitted to the winding rollers by utilizing the belt pulley group, when an article is hoisted, the gravity of the hoisted article is uniformly spread on the four symmetrically arranged winding rollers by utilizing the steel rope, so that the direct stress of the output shaft of the double-shaft motor is avoided, the loss of the equipment in use is reduced, the service life of the equipment is prolonged, a movable pulley connection mode is adopted between a hoisting piece and the steel rope, and when the article is hoisted, half of the driving force can be saved relative to the traditional lifting hook;
2. According to the invention, through the arrangement of the locking mechanism, the speed reducing motor is used for driving the bidirectional screw rod, so that the sliding block slides along the guide rod until contacting with the brake block, and the brake block is used for pressing the corresponding winding roller, so that the rotation of the winding roller is limited, and the purpose of locking the winding roller is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
Fig. 1 shows a schematic overall structure of an exemplary embodiment of the present invention.
Fig. 2 shows a schematic structural view of the upper half of an exemplary embodiment of the present invention.
Fig. 3 shows a schematic structural view of a pressing mechanism in an exemplary embodiment of the present invention.
Fig. 4 shows a schematic view of fig. 1 after a change of view.
Fig. 5 shows a schematic structural view of a locking mechanism in an exemplary embodiment of the present invention.
Fig. 6 is a detailed structural diagram showing a locking mechanism in an exemplary embodiment of the present invention.
Fig. 7 shows a diagram of the orientation of part a within the device in an exemplary embodiment of the invention.
Fig. 8 shows an enlarged view of the portion a in fig. 7.
Part names and serial numbers in the figure: the device comprises a 1-bearing base, a 11-locating plate, a 12-trapezoid plate, a 2-double-shaft motor, a 3-rotating and pressing mechanism, a 31-mounting plate, a 32-winding roller, a 33-pulley group, a 4-steel rope, a 5-hoisting piece, a 51-mounting block, a 52-pulley, a 53-hook, a 6-cross beam, a 61-waist-shaped hole, a 7-locking mechanism, a 71-reducing motor, a 72-bidirectional screw rod, a 73-guide rod, a 74-slider, a 75-rotating rod and a 76-brake piece.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 3, an embodiment of the invention provides an electric hoist lifting device for coal mine exploitation, which comprises a bearing base 1, a positioning plate 11 and a double-shaft motor 2, wherein a pair of arc brackets are arranged on the upper surface of the bearing base 1, the double-shaft motor 2 is fixedly arranged on the arc brackets on the bearing base 1, front and rear output shafts of the double-shaft motor 2 can provide power for lifting heavy objects, the positioning plate 11 is fixedly arranged at a branching point at the bottom of the bearing base 1 in a welding manner, and the positioning plate 11 equally separates the bottom of the bearing base 1.
Referring to fig. 1-3, in the embodiment of the present invention, the present invention further includes a rotation and pressing mechanism 3, the rotation and pressing mechanism 3 is composed of two mounting plates 31, four winding rollers 32 and four groups of belt pulley sets 33, the front and rear sides of the bearing base 1 are fixedly connected with the mounting plates 31 through bolts, two compartments are formed between the two mounting plates 31 and the positioning plate 11, two winding rollers 32 are rotatably disposed in each compartment, and the belt pulley sets 33 are disposed between the winding rollers 32 and corresponding output shafts on the biaxial motor 2, and the transmission of the belt pulley sets 33 enables the biaxial motor 2 to indirectly drive the winding rollers 32 to rotate during operation, and the gravity of the hoisting weight is not borne by the output shafts of the biaxial motor 2, but is equally shared by the four winding rollers 32, and the output shafts of the biaxial motor 2 and the rotation shafts of the corresponding two winding rollers 32 are directly in regular triangle distribution, so that the two winding rollers 32 on the same side can be synchronously rotated, and the overall stability of the apparatus can be improved.
Referring to fig. 1, 7 and 8, in the embodiment of the present invention, the present invention further includes a steel cable 4 and a hoisting member 5, the steel cable 4 is provided with two, two ends of the steel cable 4 are respectively fixedly connected with two winding rollers 32 on the same side, when the two winding rollers 32 on the same side rotate, the steel cable 4 can be wound up or stretched, the hoisting member 5 is composed of a mounting block 51, a pulley 52 and a hook 53, the mounting block 51 is a main body of the hoisting member 5, the lower portion of the mounting block 51 is provided with the hook 53, a weight to be hoisted can be hung, and the two hoisting members 5 can cooperate together to complete hoisting of a single weight, and also can be used independently to hoist different weights, the upper portion of the mounting block 51 is rotatably provided with the pulley 52, and the pulley 52 cooperates with the steel cable 4 to form a movable pulley structure, when the steel cable 4 is wound up, the pulley 52 can pull the hoisting member 5 to rise, and the gravity of the weight hung on the hoisting member 5 is evenly distributed to the winding rollers 32 through the pulley 4, and the movable pulley mechanism is more labor-saving than the conventional hoisting device, and the driving source of the hoisting device can be saved, and the wear of the pressure-bearing device can be reduced.
Referring to fig. 2, in another embodiment of the present invention, two beams 6 are symmetrically disposed at the bottom of the bearing base 1, the bearing base 1 can be lifted to a high position and fixed by using the beams 6, and waist-shaped holes 61 are formed on the two beams 6, bolts penetrate through the mounting plate 31 and pass through the waist-shaped holes 61, so that the mounting plate 31 can be fixed on the beams 6, and the position of the mounting plate 31 in the waist-shaped holes 61 can be changed by sliding the bolts, and the bearing base 1 can also be moved along with the position, so that the lifting position can be adjusted.
Referring to fig. 4-6, in another embodiment of the present invention, the present invention further includes a trapezoidal plate 12 and a locking mechanism 7, wherein a trapezoidal plate 12 is fixedly disposed at both left and right ends of the positioning plate 11, the locking mechanism 7 is composed of a speed reducing motor 71, a bidirectional screw rod 72, a guide rod 73, a sliding block 74, a rotating rod 75 and a brake block 76, two brake blocks 76 are slidably disposed on each of the two trapezoidal plates 12, the two brake blocks 76 on the same trapezoidal plate 12 are separated by the positioning plate 11, the brake blocks 76 are matched with the winding roller 32 closest to each other, two guide rods 73 are fixedly connected with the positioning plate 11 in a penetrating manner in the middle of the positioning plate 11, the two guide rods 73 are equally divided by the positioning plate 11, two sliding blocks 74 are slidably disposed on the two guide rods 73, the two sliding blocks 74 are separated by the positioning plate 11, two rotating rods 75 are symmetrically disposed on the sliding blocks 74, the rotating rod 75 is rotatably connected with the brake blocks 76 closest to each other, a speed reducing motor 71 is disposed on the left side of the mounting plate 31, the output shaft of the speed reducing motor 71 is fixedly connected with the bidirectional screw rod 72, and the two sliding blocks 74 are rotatably connected with the two sliding blocks 74 through the two sliding blocks 74 and the two sliding blocks 74.
In this embodiment, when the winding roller 32 needs to be locked and cannot rotate at will, a worker can start the gear motor 71 to drive the bidirectional screw rod 72 to rotate, under the action of the bidirectional screw rod 72, the two sliding blocks 74 can mutually principle along the guide rod 73 and cooperate with the rotating rod 75 to pull the brake plate 76 to approach the matched winding roller 32, and after the brake plate 76 contacts the end of the winding roller 32, the brake plate 76 can apply pressure to the winding roller 32 to prevent the winding roller 32 from rotating continuously, so that the locking effect is achieved.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an electric hoist device for coal mine exploitation, its characterized in that includes bearing base (1), locating plate (11), biax motor (2), transfer mechanism (3), cable wire (4) and hoist and mount piece (5), locating plate (11) set up in bearing base (1) bottom surface middle part, biax motor (2) fixed mounting in bearing base (1) top for provide power for the hoist and mount of heavy object;
the rotary pressing mechanism (3) comprises a mounting plate (31), winding rollers (32) and belt pulley groups (33), wherein the mounting plate (31) is symmetrically and fixedly arranged on the front side and the rear side of the bearing base (1), the winding rollers (32) are arranged between the mounting plate (31) and the positioning plate (11) in pairs, the belt pulley groups (33) are arranged between the winding rollers (32) and output shafts of the double-shaft motors (2), the belt pulley groups (33) are matched with the winding rollers (32) one by one, and the double-shaft motors (2) can indirectly drive the winding rollers (32) to rotate through the belt pulley groups (33);
the steel cable (4) is provided with two steel cables, two ends of the steel cable (4) are fixedly connected to the two winding rollers (32) on the same side respectively, the two winding rollers (32) on the same side can wind or stretch the steel cable (4) when rotating, the hoisting piece (5) is arranged on the steel cable (4), and the hoisting piece (5) is used for hanging a weight to be hoisted.
2. The electric hoist lifting device for coal mine exploitation according to claim 1, wherein the output shaft of the double-shaft motor (2) and the rotation shafts of the two corresponding winding rollers (32) are distributed in a regular triangle.
3. The electric hoist lifting device for coal mine exploitation according to claim 2, wherein the lifting piece (5) comprises a mounting block (51), a pulley (52) and a hook (53), the mounting block (51) is a main body of the lifting piece (5), the pulley (52) is rotatably arranged on the upper portion of the mounting block (51), the lifting piece (5) can be matched with the steel cable (4) through the pulley (52), and the hook (53) is fixedly arranged on the lower portion of the mounting block (51) and is used for hanging heavy objects.
4. An electric hoist lifting device for coal mine exploitation according to claim 3, characterized in that the pulley (52) can drive the lifting member (5) to rise along with the steel cable (4) when the steel cable (4) is wound, and the gravity of the weight hung on the lifting member (5) is uniformly distributed to the two corresponding winding rollers (32) through the steel cable (4).
5. An electric hoist lifting device for coal mine exploitation according to claim 4, characterized in that the two lifting pieces (5) can be matched together to complete the lifting of a single weight, and can be used independently to lift different weights.
6. The electric hoist lifting device for coal mine exploitation according to claim 5, further comprising a trapezoid plate (12) and a locking mechanism (7), wherein the trapezoid plate (12) is arranged on the positioning plate (11) in a bilateral symmetry manner; the dead mechanism (7) comprises guide rods (73), sliding blocks (74), rotating rods (75) and braking pieces (76), wherein the guide rods (73) are symmetrically arranged in the middle of the locating plate (11), the two guide rods (73) penetrate through the locating plate (11), the sliding blocks (74) are provided with two sliding blocks, the sliding blocks (74) can be in sliding fit with the two guide rods (73), the sliding blocks (74) are separated by the locating plate (11), the braking pieces (76) are symmetrically arranged on the trapezoid plates (12) in a sliding mode, holes allowing rotating shafts of the winding rollers (32) to penetrate through are formed in the middle of the braking pieces (76), the rotating rods (75) are symmetrically arranged on the sliding blocks (74), and the rotating rods (75) are connected with the braking pieces (76) closest to each other in a rotating mode.
7. The electric hoist lifting device for coal mine exploitation according to claim 6, characterized in that two brake blocks (76) on the same trapezoid plate (12) are separated by the locating plate (11), each brake block (76) corresponds to a winding roller (32), and when the brake blocks (76) contact and exert pressure on the winding rollers (32), the winding rollers (32) can be limited to continue rotating.
8. The electric hoist lifting device for coal mine opening as claimed in claim 7, wherein the locking mechanism (7) further comprises a gear motor (71) and a bidirectional screw rod (72), the gear motor (71) is arranged on the inner side of the mounting plate (31), the bidirectional screw rod (72) penetrates through the positioning plate (11), the bidirectional screw rod (72) is connected with the two sliding blocks (74) through threaded rotation, and the output of the gear motor (71) is fixedly connected with the bidirectional screw rod (72).
9. The electric hoist lifting device for coal mine exploitation according to claim 8, further comprising a cross beam (6), wherein the cross beam (6) is symmetrically arranged at the bottom of the bearing base (1), a waist-shaped hole (61) is formed in the cross beam (6), the mounting plate (31) can be fixedly arranged on the cross beam (6) by penetrating through the waist-shaped hole (61) through bolts, and the mounting position of the mounting plate (31) can be adjusted in the waist-shaped hole (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410666104.XA CN118239405B (en) | 2024-05-28 | 2024-05-28 | Electric hoist device that colliery was opened and was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410666104.XA CN118239405B (en) | 2024-05-28 | 2024-05-28 | Electric hoist device that colliery was opened and was used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118239405A true CN118239405A (en) | 2024-06-25 |
| CN118239405B CN118239405B (en) | 2024-07-26 |
Family
ID=91553773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410666104.XA Active CN118239405B (en) | 2024-05-28 | 2024-05-28 | Electric hoist device that colliery was opened and was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118239405B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1111884A (en) * | 1997-06-19 | 1999-01-19 | Wako Kikai Kogyo Kk | Brake mechanism for winch |
| CN201447312U (en) * | 2009-05-19 | 2010-05-05 | 汕头市达濠市政建设有限公司 | Hoisting device of electric block gantry crane |
| DE102010063911A1 (en) * | 2010-12-22 | 2012-06-28 | Terex Demag Gmbh | Crane i.e. large mobile electrically operated crane, has energy storage unit arranged locally on crane, and drive motor connected to power consumer system for operating crane component in response to energy fed into power consumer system |
| CN203269442U (en) * | 2013-05-17 | 2013-11-06 | 新余钢铁集团有限公司 | Auxiliary suspension device for electric hoist |
| CN208378271U (en) * | 2018-05-02 | 2019-01-15 | 绍兴南特起重设备有限公司 | A kind of wirerope electric hoist |
| CN210393198U (en) * | 2019-07-22 | 2020-04-24 | 深圳市德鑫泰实业有限公司 | Novel wire winding device |
| CN112938743A (en) * | 2021-04-15 | 2021-06-11 | 许兵权 | Panel hoist and mount transportation equipment of municipal works building |
| CN213923809U (en) * | 2020-12-16 | 2021-08-10 | 重庆为荣工业技术有限公司 | A heavy-duty crane lifting device |
| CN215402784U (en) * | 2021-08-16 | 2022-01-04 | 河南德豫重工有限公司 | Electric hoist with semi-built-in noise reduction motor and speed reducer |
| CN217076482U (en) * | 2022-04-13 | 2022-07-29 | 四川鑫中泰新材料有限公司 | Resistance wire unwinding device for steel-plastic composite pipe |
| CN117049388A (en) * | 2023-09-13 | 2023-11-14 | 山东经天电力工程有限公司 | Stable power equipment crane and working method thereof |
-
2024
- 2024-05-28 CN CN202410666104.XA patent/CN118239405B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1111884A (en) * | 1997-06-19 | 1999-01-19 | Wako Kikai Kogyo Kk | Brake mechanism for winch |
| CN201447312U (en) * | 2009-05-19 | 2010-05-05 | 汕头市达濠市政建设有限公司 | Hoisting device of electric block gantry crane |
| DE102010063911A1 (en) * | 2010-12-22 | 2012-06-28 | Terex Demag Gmbh | Crane i.e. large mobile electrically operated crane, has energy storage unit arranged locally on crane, and drive motor connected to power consumer system for operating crane component in response to energy fed into power consumer system |
| CN203269442U (en) * | 2013-05-17 | 2013-11-06 | 新余钢铁集团有限公司 | Auxiliary suspension device for electric hoist |
| CN208378271U (en) * | 2018-05-02 | 2019-01-15 | 绍兴南特起重设备有限公司 | A kind of wirerope electric hoist |
| CN210393198U (en) * | 2019-07-22 | 2020-04-24 | 深圳市德鑫泰实业有限公司 | Novel wire winding device |
| CN213923809U (en) * | 2020-12-16 | 2021-08-10 | 重庆为荣工业技术有限公司 | A heavy-duty crane lifting device |
| CN112938743A (en) * | 2021-04-15 | 2021-06-11 | 许兵权 | Panel hoist and mount transportation equipment of municipal works building |
| CN215402784U (en) * | 2021-08-16 | 2022-01-04 | 河南德豫重工有限公司 | Electric hoist with semi-built-in noise reduction motor and speed reducer |
| CN217076482U (en) * | 2022-04-13 | 2022-07-29 | 四川鑫中泰新材料有限公司 | Resistance wire unwinding device for steel-plastic composite pipe |
| CN117049388A (en) * | 2023-09-13 | 2023-11-14 | 山东经天电力工程有限公司 | Stable power equipment crane and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118239405B (en) | 2024-07-26 |
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