CN117263025A - Single-rail electric hoist capable of realizing intelligent accurate fixed-point braking - Google Patents
Single-rail electric hoist capable of realizing intelligent accurate fixed-point braking Download PDFInfo
- Publication number
- CN117263025A CN117263025A CN202311396531.2A CN202311396531A CN117263025A CN 117263025 A CN117263025 A CN 117263025A CN 202311396531 A CN202311396531 A CN 202311396531A CN 117263025 A CN117263025 A CN 117263025A
- Authority
- CN
- China
- Prior art keywords
- groove
- limiting
- electric hoist
- rail electric
- winding drum
- 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
- 238000004804 winding Methods 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 26
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 14
- 210000005056 cell body Anatomy 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to the technical field of electric hoists, in particular to a single-rail electric hoist capable of realizing intelligent and accurate fixed-point braking. The beneficial effects are as follows: the clamping plate can drive the pushing plate on one side of the clamping plate to move up and down in the process of moving up and down, and the limiting plate can be extruded in the process of moving up and down, so that the limiting plate can move towards the direction close to the shell until one end of the limiting plate is movably inserted into the limiting opening and the limiting groove, and the whole winding drum is limited until the whole winding drum is limited, so that the winding drum is effectively prevented from being driven by the heavy object to rotate when the lifting hook hanging weight on the steel wire rope stops at a fixed point in the air.
Description
Technical Field
The invention relates to the technical field of electric hoists, in particular to a single-rail electric hoist capable of realizing intelligent and accurate fixed-point braking.
Background
The electric hoist is a special lifting device, is arranged on the crown block and the gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is used for places such as industrial and mining enterprises, storage, wharfs and the like.
In the prior art, the electric hoist can brake at any position at any time, can be used freely, and can realize intelligent accurate positioning braking.
However, too much dust and sludge is left in the brake, and the brake cannot be cleaned in time, so that the steel wire rope is not braked in time; when the winding drum winds the steel wire rope, the limiting assembly is required to assist in limiting the winding drum, so that the situation that the electric hoist slides downwards due to the fact that the winding drum is driven by heavy objects to rotate when the steel wire rope is lifted.
Disclosure of Invention
The invention aims to provide a single-rail electric hoist capable of realizing intelligent and accurate fixed-point braking so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a single track electric block that can intelligent accurate fixed point was braked, single track electric block that can intelligent accurate fixed point was braked includes:
the frame body is integrally formed with a shell on one side, a winding drum is rotationally connected between the frame body and the shell, an electric telescopic rod is arranged in the winding drum, and a jacking rod is arranged at the telescopic end of the electric telescopic rod; the surface of the winding drum is connected with a control assembly in a sliding way, and the jacking rod is contacted with the control assembly; the inside of the winding drum is connected with a limiting assembly in a sliding way, a pushing plate is arranged on the side face of the control assembly, and the pushing plate is contacted with the limiting assembly; one side integrated into one piece of reel has the transmission shaft, and one side of transmission shaft is provided with the clearance subassembly, and the surface contact of clearance subassembly and stopper, stopper are located in the casing, and the activity of spacing subassembly's one end is pegged graft on the surface of transmission shaft.
Preferably, a motor is arranged on one side of the frame body, the rotating end of the motor is fixed with the surface of the winding drum, the transmission shaft is of a circular cylinder structure, the transmission shaft is rotationally connected in the rotating groove, the rotating groove is formed in the surface of the shell, and the surface of the winding drum is wound with a steel wire rope.
Preferably, the inside of reel has been seted up the mounting groove, and the mounting groove is square platy cell body structure, and electric telescopic handle is fixed in the mounting groove, and the top is held the pole and is the cone, and the sliding tray has been seted up on the surface of reel, and the guide way has been seted up to the inside of reel.
Preferably, the control assembly comprises an auxiliary rod, a clamping plate and a protruding block, wherein the auxiliary rod is of a circular cylinder structure, the auxiliary rod is slidably connected in the guide groove, two groups of auxiliary rods are arranged, the two groups of auxiliary rods are symmetrically distributed about the center of the jacking rod, and the jacking rod is in contact with the conical surface of the auxiliary rod and the surface of the auxiliary rod.
Preferably, the cardboard is arc platy structure, cardboard sliding connection is provided with the guide bar in the sliding tray, and the guide bar passes the limit groove, and the surface at the cardboard is seted up to the limit groove, is provided with the spring between limit groove and the sliding tray, and the spring housing is established in the outside of guide bar, and the centre tank has been seted up on the surface of cardboard, and the centre tank is arc platy cell body structure, auxiliary rod and the surface contact of centre tank.
Preferably, the lug is provided with the multiunit, and multiunit lug is equidistant equisize distribution, and lug sliding connection in the tongue, and the surface at the reel is seted up to the tongue, and the tongue is arc platy cell body structure, and the tongue is provided with two sets of, and two sets of tongue are symmetrical distribution about the center of limit groove, and lug and wire rope contact.
Preferably, the limiting component comprises a limiting plate and an elastic rope, a through groove is formed in the winding drum, the through groove is of a square plate-shaped groove body structure, the limiting plate and the pushing plate are of right trapezoid plate-shaped structures, the limiting plate and the pushing plate are in sliding connection in the through groove, the limiting plate is in contact with two inclined planes of the pushing plate, and the elastic rope is fixed between the limiting plate and the clamping plate.
Preferably, the surface of the transmission shaft is provided with a limiting opening, the limiting opening is of a square platy groove body structure, the surface of the shell is provided with limiting grooves, the limiting grooves are provided with a plurality of groups, the plurality of groups of limiting grooves are distributed in a circumferential array mode relative to the center of the rotating groove, one half of one end of the limiting plate is movably inserted into the limiting opening, and the other half of one end of the limiting plate is movably inserted into one group of limiting grooves.
Preferably, the cleaning assembly comprises a cleaning frame and cleaning brushes, the cleaning frame is of an L-shaped platy structure, the cleaning brushes are arranged between the cleaning frame and the brake, the cleaning frame is provided with three groups, and the three groups of cleaning frames are distributed in a circumferential array with respect to the center of the transmission shaft.
Compared with the prior art, the invention has the beneficial effects that: the clamping plate can drive the push plate on one side of the clamping plate to move up and down in the process of moving up and down, the push plate can extrude the limiting plate in the process of moving up and down, so that the limiting plate can move towards the direction close to the shell until one end of the limiting plate is movably inserted into the limiting opening and the limiting groove, the whole winding drum waits for limiting, and the winding drum is driven by the heavy object to rotate when the lifting hook on the steel wire rope is effectively prevented from hanging the heavy object to stop at an air fixed point.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic view in partial cross-section of a spool and cleaning assembly securing structure according to the present invention;
FIG. 4 is a schematic view of a half-section of the housing of the present invention;
FIG. 5 is an exploded view of the integrated connection of the control assembly and the ejector pins of the present invention;
fig. 6 is a schematic diagram of the overall structure of the present invention.
In the figure: the cleaning brush comprises a frame body 1, a motor 2, a shell 3, a winding drum 4, a transmission shaft 5, a rotating groove 6, a brake 7, a cleaning frame 8, a cleaning brush 9, an installation groove 10, an electric telescopic rod 11, a jacking rod 12, an auxiliary rod 13, a guide groove 14, a sliding groove 15, a guide rod 16, a clamping plate 17, a side groove 18, a spring 19, a lug 20, a central groove 21, a convex groove 22, a push plate 23, a penetrating groove 24, a limiting plate 25, a stretch cord 26, a limiting opening 27, a limiting groove 28 and a steel wire rope 29.
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. Based on the technical solutions of the present invention, all other embodiments obtained by a person skilled in the art without making any creative effort fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 6, a single-rail electric hoist capable of intelligent accurate fixed-point braking, the single-rail electric hoist capable of intelligent accurate fixed-point braking includes: the frame body 1, one side of the frame body 1 is integrally formed with a shell 3, a winding drum 4 is rotatably connected between the frame body 1 and the shell 3, an electric telescopic rod 11 is arranged in the winding drum 4, and a jacking rod 12 is arranged at the telescopic end of the electric telescopic rod 11; the surface of the winding drum 4 is connected with a control component in a sliding way, and the jacking rod 12 is contacted with the control component; the inside of the winding drum 4 is connected with a limiting assembly in a sliding way, a pushing plate 23 is arranged on the side surface of the control assembly, and the pushing plate 23 is contacted with the limiting assembly; a transmission shaft 5 is integrally formed on one side of the winding drum 4, a cleaning component is arranged on one side of the transmission shaft 5 and is in contact with the surface of a brake 7, the brake 7 is arranged in the shell 3, and one end of a limiting component is movably inserted into the surface of the transmission shaft 5; when the wire rope 29 is normally wound, the motor 2 is started to drive the winding drum 4 to rotate, the transmission shaft 5 is driven to rotate in the process of rotation of the winding drum 4, the transmission shaft 5 rotates to drive the cleaning frame 8 to synchronously rotate, and at the moment, the cleaning brush 9 on the surface of the cleaning frame 8 can clean the surface of the brake 7, so that dust and the like are effectively prevented from accumulating inside the brake 7.
Example 2
Referring to fig. 1 to 4, a motor 2 is arranged at one side of a frame body 1, a rotating end of the motor 2 is fixed with the surface of a winding drum 4, a transmission shaft 5 is in a circular cylinder structure, the transmission shaft 5 is rotationally connected in a rotating groove 6, the rotating groove 6 is arranged on the surface of a shell 3, a steel wire rope 29 is wound on the surface of the winding drum 4, a cleaning assembly comprises a cleaning frame 8 and a cleaning brush 9, the cleaning frame 8 is in an L-shaped platy structure, the cleaning brush 9 is arranged between the cleaning frame 8 and a brake 7, three groups of cleaning frames 8 are arranged, and the three groups of cleaning frames 8 are distributed in a circumferential array about the center of the transmission shaft 5;
when the wire rope 29 is normally wound, the motor 2 is started to drive the winding drum 4 to rotate, the transmission shaft 5 is driven to rotate in the process of rotation of the winding drum 4, the transmission shaft 5 rotates to drive the cleaning frame 8 to synchronously rotate, and at the moment, the cleaning brush 9 on the surface of the cleaning frame 8 can clean the surface of the brake 7, so that dust and the like are effectively prevented from accumulating inside the brake 7.
Example 3
Referring to fig. 1 to 5, a mounting groove 10 is formed in the interior of a winding drum 4, the mounting groove 10 is of a square plate-shaped groove body structure, an electric telescopic rod 11 is fixed in the mounting groove 10, a holding rod 12 is of a cone, a sliding groove 15 is formed in the surface of the winding drum 4, a guide groove 14 is formed in the interior of the winding drum 4, a control component comprises an auxiliary rod 13, a clamping plate 17 and a protruding block 20, the auxiliary rod 13 is of a circular cylinder structure, the auxiliary rod 13 is in sliding connection in the guide groove 14, the auxiliary rod 13 is provided with two groups, the two groups of auxiliary rods 13 are symmetrically distributed about the center of the holding rod 12, the holding rod 12 is in contact with the surface of the auxiliary rod 13 with the conical surface of the holding rod 12, the clamping plate 17 is of an arc-shaped plate structure, the clamping plate 17 is in sliding connection in the sliding groove 15, the sliding groove 15 is internally provided with a guide rod 16, the guide rod 16 passes through the side groove 18, the side groove 18 is formed in the surface of the clamping plate 17, a spring is arranged between the side groove 18 and the sliding groove 15, the spring is sleeved on the outer side of the guide rod 16, the surface of the clamping plate 17 is provided with a central groove 21, the central groove 21 is formed in the surface of the protruding block 21 is in a plate structure, the protruding block 22 is in the shape of the protruding block 20, the protruding block 22 is in the arc-shaped groove 20 is in the same distance with the protruding groove 20, and the protruding groove 22 is in the two groups of the protruding groove 20 is in contact with the protruding groove 20, and the protruding groove 20 is in the same plane as the protruding groove 20 is in the protruding groove 20, and the protruding groove is in the same plane contact with the protruding groove 20, and the protruding groove is in the protruding groove 20 is in the protruding groove with the protruding groove 20, and the protruding groove is in the protruding groove with the side;
after the winding of the steel wire rope 29 is completed, the electric telescopic rod 11 is started to drive the jacking rod 12 to move, the conical surface of the jacking rod 12 is in contact with the auxiliary rod 13, and along with the movement of the jacking rod 12, the auxiliary rod 13 moves along the guide groove 14 and drives the clamping plate 17 to move up and down until the lug 20 is higher than the convex groove 22, and the lug 20 just contacts with the steel wire rope 29, so that a certain fixing effect can be achieved on the steel wire rope 29.
Example 4
Referring to fig. 1, the limiting assembly includes a limiting plate 25 and a bungee cord 26, a through groove 24 is provided in the drum 4, the through groove 24 is in a square plate-shaped groove structure, the limiting plate 25 and the push plate 23 are in a right trapezoid plate-shaped structure, the limiting plate 25 and the push plate 23 are slidably connected in the through groove 24, the limiting plate 25 and two inclined surfaces of the push plate 23 are in contact with each other, the bungee cord 26 is fixed between the limiting plate 25 and the clamping plate 17, a limiting opening 27 is provided on the surface of the transmission shaft 5, the limiting opening 27 is in a square plate-shaped groove structure, limiting grooves 28 are provided on the surface of the housing 3, a plurality of groups of limiting grooves 28 are distributed in a circumferential array with respect to the center of the rotation groove 6, one half of one end of the limiting plate 25 is movably inserted in the limiting opening 27, and the other half of one end of the limiting plate 25 is movably inserted in one group of limiting grooves 28;
the clamping plate 17 can drive the push plate 23 on one side of the clamping plate to move up and down in the process of moving up and down, and the limit plate 25 can be extruded in the process of moving up and down by the push plate 23, so that the limit plate 25 can move towards the direction close to the shell 3 until one end of the limit plate 25 is movably inserted into the limit opening 27 and the limit groove 28, the whole winding drum 4 is limited, and the winding drum 4 is effectively prevented from being driven by the heavy object to rotate when a lifting hook (not shown in the figure) on the steel wire rope 29 is used for hanging the heavy object to stop in the air at fixed points.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Single track electric block that can intelligent accurate fixed point was braked, its characterized in that: the single track electric block that can intelligent accurate fixed point was braked includes:
the novel telescopic lifting device comprises a frame body (1), wherein a shell (3) is integrally formed on one side of the frame body (1), a winding drum (4) is rotatably connected between the frame body (1) and the shell (3), an electric telescopic rod (11) is arranged in the winding drum (4), and a jacking rod (12) is arranged at the telescopic end of the electric telescopic rod (11); the surface of the winding drum (4) is connected with a control component in a sliding way, and the jacking rod (12) is contacted with the control component; the inside of the winding drum (4) is slidably connected with a limiting assembly, a pushing plate (23) is arranged on the side surface of the control assembly, and the pushing plate (23) is contacted with the limiting assembly; one side integrated into one piece of reel (4) has transmission shaft (5), and one side of transmission shaft (5) is provided with clearance subassembly, and clearance subassembly and the surface contact of stopper (7), in casing (3) were located to stopper (7), and the one end activity of spacing subassembly is pegged graft on the surface of transmission shaft (5).
2. The single-rail electric hoist capable of realizing intelligent and accurate fixed-point braking according to claim 1, wherein the single-rail electric hoist is characterized in that: one side of the frame body (1) is provided with a motor (2), the rotating end of the motor (2) is fixed with the surface of the winding drum (4), the transmission shaft (5) is of a circular cylinder structure, the transmission shaft (5) is rotationally connected in the rotation groove (6), the rotation groove (6) is formed in the surface of the shell (3), and the surface of the winding drum (4) is wound with a steel wire rope (29).
3. The single-rail electric hoist capable of realizing intelligent and accurate fixed-point braking according to claim 2, wherein the single-rail electric hoist is characterized in that: the inside of reel (4) has seted up mounting groove (10), and mounting groove (10) are square platy cell body structure, and electric telescopic handle (11) are fixed in mounting groove (10), and ejector pin (12) are the cone, and slide groove (15) have been seted up on the surface of reel (4), and guide way (14) have been seted up to the inside of reel (4).
4. The single-rail electric hoist capable of realizing intelligent and accurate fixed-point braking according to claim 1, wherein the single-rail electric hoist is characterized in that: the control assembly comprises an auxiliary rod (13), a clamping plate (17) and a protruding block (20), wherein the auxiliary rod (13) is of a circular cylinder structure, the auxiliary rod (13) is slidably connected in the guide groove (14), the auxiliary rod (13) is provided with two groups, the two groups of auxiliary rods (13) are symmetrically distributed about the center of the jacking rod (12), and the jacking rod (12) is in surface contact with the conical surface of the auxiliary rod (13).
5. The single-rail electric hoist capable of realizing intelligent and accurate fixed-point braking according to claim 4, wherein the single-rail electric hoist is characterized in that: cardboard (17) are arc platy structure, cardboard (17) sliding connection is in sliding tray (15), be provided with guide bar (16) in sliding tray (15), guide bar (16) pass limit groove (18), the surface at cardboard (17) is offered in limit groove (18), be provided with spring (19) between limit groove (18) and sliding tray (15), outside at guide bar (16) is established to spring (19) cover, and centre tank (21) have been offered on the surface of cardboard (17), centre tank (21) are arc platy cell body structure, auxiliary rod (13) and the surface contact of centre tank (21).
6. The single-rail electric hoist capable of realizing intelligent and accurate fixed-point braking according to claim 5, wherein the single-rail electric hoist is characterized in that: the lug (20) is provided with the multiunit, multiunit lug (20) are equi-sized distribution of equidistance, and lug (20) sliding connection is in tongue (22), and the surface at reel (4) is seted up in tongue (22), and tongue (22) are arc platy cell body structure, and tongue (22) are provided with two sets of, and two sets of tongue (22) are symmetrical distribution about the center of limit groove (18), and lug (20) and wire rope (29) contact.
7. The single-rail electric hoist capable of realizing intelligent and accurate fixed-point braking according to claim 1, wherein the single-rail electric hoist is characterized in that: limiting component includes limiting plate (25), elastic rope (26), runs through groove (24) have been seted up to the inside of reel (4), run through groove (24) and be square platy cell body structure, limiting plate (25) and push pedal (23) all are right trapezoid platy structure, limiting plate (25) and equal push pedal (23) sliding connection are in running through groove (24), and two inclined planes of limiting plate (25) and push pedal (23) contact each other, elastic rope (26) are fixed between limiting plate (25) and cardboard (17).
8. The single-rail electric hoist capable of realizing intelligent and accurate fixed-point braking according to claim 7, wherein the single-rail electric hoist is characterized in that: limiting ports (27) are formed in the surface of the transmission shaft (5), the limiting ports (27) are of square plate-shaped groove body structures, limiting grooves (28) are formed in the surface of the shell (3), multiple groups of limiting grooves (28) are formed in the limiting grooves (28), the limiting grooves (28) are distributed in a circumferential array mode relative to the center of the rotating groove (6), one half of one end of each limiting plate (25) is movably inserted into the corresponding limiting ports (27), and the other half of one end of each limiting plate (25) is movably inserted into one group of limiting grooves (28).
9. The single-rail electric hoist capable of realizing intelligent and accurate fixed-point braking according to claim 1, wherein the single-rail electric hoist is characterized in that: the cleaning assembly comprises a cleaning frame (8) and cleaning brushes (9), wherein the cleaning frame (8) is of an L-shaped platy structure, the cleaning brushes (9) are arranged between the cleaning frame (8) and a brake (7), the cleaning frame (8) is provided with three groups, and the three groups of cleaning frames (8) are distributed in a circumferential array relative to the center of a transmission shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311396531.2A CN117263025B (en) | 2023-10-26 | 2023-10-26 | Single-rail electric hoist capable of realizing intelligent accurate fixed-point braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311396531.2A CN117263025B (en) | 2023-10-26 | 2023-10-26 | Single-rail electric hoist capable of realizing intelligent accurate fixed-point braking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117263025A true CN117263025A (en) | 2023-12-22 |
| CN117263025B CN117263025B (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311396531.2A Active CN117263025B (en) | 2023-10-26 | 2023-10-26 | Single-rail electric hoist capable of realizing intelligent accurate fixed-point braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117263025B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1414763A1 (en) * | 1985-04-26 | 1988-08-07 | Могилевский Машиностроительный Институт | Drive of load-handling mechanism |
| CN209143557U (en) * | 2018-11-17 | 2019-07-23 | 唐山曹妃甸实业港务有限公司 | Cable drum greasy dirt automatic cleaning apparatus |
| CN114148934A (en) * | 2021-11-11 | 2022-03-08 | 曾泉 | Steel wire rope hanging mechanism for electric hoist |
| CN114506767A (en) * | 2020-11-15 | 2022-05-17 | 泰州奥捷起重机械有限公司 | Electric single-beam crane reel of regulation formula |
| CN116022680A (en) * | 2023-03-31 | 2023-04-28 | 山东高原油气装备有限公司 | Electric drilling direct-drive winch with emergency protection function |
-
2023
- 2023-10-26 CN CN202311396531.2A patent/CN117263025B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1414763A1 (en) * | 1985-04-26 | 1988-08-07 | Могилевский Машиностроительный Институт | Drive of load-handling mechanism |
| CN209143557U (en) * | 2018-11-17 | 2019-07-23 | 唐山曹妃甸实业港务有限公司 | Cable drum greasy dirt automatic cleaning apparatus |
| CN114506767A (en) * | 2020-11-15 | 2022-05-17 | 泰州奥捷起重机械有限公司 | Electric single-beam crane reel of regulation formula |
| CN114148934A (en) * | 2021-11-11 | 2022-03-08 | 曾泉 | Steel wire rope hanging mechanism for electric hoist |
| CN116022680A (en) * | 2023-03-31 | 2023-04-28 | 山东高原油气装备有限公司 | Electric drilling direct-drive winch with emergency protection function |
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| Publication number | Publication date |
|---|---|
| CN117263025B (en) | 2024-02-23 |
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