CN111017705A - Lifting appliance - Google Patents
Lifting appliance Download PDFInfo
- Publication number
- CN111017705A CN111017705A CN202010046074.4A CN202010046074A CN111017705A CN 111017705 A CN111017705 A CN 111017705A CN 202010046074 A CN202010046074 A CN 202010046074A CN 111017705 A CN111017705 A CN 111017705A
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- inner cavity
- rotating
- matching
- steel cable
- end wall
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 74
- 239000010959 steel Substances 0.000 claims abstract description 74
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000033001 locomotion Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- B66C1/34—Crane hooks
-
- 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
- B66C15/02—Safety gear for retaining load-engaging elements in the event of rope or cable breakage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a lifting appliance, which comprises a middle box body, wherein a containing cavity is arranged in the middle box body, side placing inner cavities positioned in the middle box body are arranged on two sides of the containing cavity, the side placing inner cavities are symmetrically arranged, openings of the side placing inner cavities are arranged, a bottom lifting hook for lifting articles is fixedly arranged on the lower end surface of the middle box body, a limiting cylinder is arranged between the front end wall and the rear end wall of the containing cavity, an opening is arranged on the upper side of the containing cavity, a steel cable is wound on the outer surface of the limiting cylinder, the steel cable is divided into two ends which penetrate through the openings on the upper side of the containing cavity, the steel cable is connected with a crane in the external space, a matching wheel is fixedly arranged in the side placing inner cavity, a hanging steel cable is wound on the outer surface of the matching wheel, the equipment adopts the, the steel cable can be stably clamped in the limiting cylinder, the matching circular shaft, the moving wheel, the pressing groove and the middle box body.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a lifting appliance.
Background
The existing lifting appliance often adopts the form of rollers, shells and hooks to form a lifting structure, the structure is simple to a great extent, the equipment and the object to be hung cannot be well hung and moved, and the existing lifting appliance has more defects, such as: the hoist is fixed to current hoist cable wire adoption single winding mode when penetrating inside the hoist, this just makes the inside cable wire of hoist have certain probability fracture and drops, and when the hoist cable wire became invalid, there is not fine structure yet to come the cable wire to remedy the dress card, prevent that the hoist became invalid and cause from hanging article and dropping, influence the safety of equipment, personnel's safety has also been influenced simultaneously, and because current hoist, in the in-service use process, the easy appearance is because the hoist bearing circumstances such as unsatisfactory that the rope hung the untight cause, this just makes in the equipment actual work process, the in-service use effect of hoist reduces.
Disclosure of Invention
The present invention is directed to a spreader, which can solve the above problems of the prior art.
The invention is realized by the following technical scheme: the invention relates to a lifting appliance, which comprises a middle box body, wherein a containing cavity is arranged in the middle box body, side placing inner cavities positioned in the middle box body are arranged on two sides of the containing cavity, the side placing inner cavities are symmetrically arranged, openings of the side placing inner cavities are arranged, a bottom lifting hook for lifting objects is fixedly arranged on the lower end surface of the middle box body, a limiting cylinder is arranged between the front end wall and the rear end wall of the containing cavity, an opening is arranged on the upper side of the containing cavity, a steel cable is wound on the outer surface of the limiting cylinder, the steel cable is divided into two ends and penetrates through the opening on the upper side of the containing cavity, the steel cable is connected with a crane in an external space, a matching wheel is fixedly arranged in the side placing inner cavity, a hanging steel cable is wound on the outer surface of the matching wheel, the hanging steel cable is wound around a circle of the matching, and a rotary clamping device for further clamping the steel cable is arranged at the lower side of the primary clamping device.
Further technical scheme, preliminary dress card device include with the cooperation spread groove that holds the chamber front and back end wall intercommunication, the symmetry sets up around the cooperation spread groove, gliding cooperation fixed block that slides that is provided with the symmetry in the cooperation spread groove, the cooperation fixed block that slides has set firmly the box that slides, be provided with in the cooperation fixed block that slides be used for with the cable wire carries out the offset fixed barrel subassembly, cooperation fixed block one side that slides is provided with the cooperation box that slides, the cooperation box that slides with cooperation spread groove sliding fit connects, be provided with the drive in the cooperation box the cooperation fixed block that slides and the motion subassembly of relative motion between the cooperation box that slides.
According to the technical scheme, the rotary drum assembly comprises a moving wheel which is arranged in the sliding box body in a rotating mode, an open pressing groove is formed in the outer side of the moving wheel, a plurality of pressing fixing rods are fixedly arranged between end walls of the pressing groove, the included angle between the pressing fixing rods is the steel cable sliding box body degree, the number of the pressing fixing rods is two, the steel cable bypasses the pressing groove and extends upwards, and one of the pressing fixing rods and the steel cable are arranged in a propping mode.
According to a further technical scheme, the movement assembly comprises a sliding fit inner cavity arranged in the sliding fit box body, the sliding fit inner cavity is provided with an opening, a fit motor is fixedly arranged in the rear end wall of the sliding fit inner cavity, a rotating threaded rod is arranged on one side of the fit motor in a power connection mode, the rotating threaded rod is connected with the end wall of the sliding fit inner cavity in a rotating fit mode, two sections of threaded lines with opposite rotating directions are arranged on the outer surface of the rotating threaded rod, internal thread moving blocks which are symmetrical front and back are arranged are connected on the outer surface of the rotating threaded rod in a threaded fit mode, a power rotating rod is arranged in the internal thread moving blocks in a rotating mode, a transmission seat body is fixedly arranged on one side end.
According to the technical scheme, the rotary clamping device comprises a rear inner cavity arranged on the front end wall and the rear end wall of the accommodating cavity, the rear inner cavity is symmetrically arranged, the number of the rear inner cavity is four, the rear inner cavity is arranged on the same side, a motor matching inner cavity is arranged between the rear inner cavities and located in the middle box, an elastic assembly is arranged in the middle box and used for limiting the cylinders to elastically support, rotating plates which are arranged in the end walls of the accommodating cavity in a rotating mode are symmetrically arranged in the front and the rear of the rotating plates, symmetrical matching circular shafts are fixedly arranged between the rotating plates in the front and the rear of the rotating plates, steel cables bypass the outer surfaces of the matching circular shafts and penetrate through the space between the matching circular shafts to extend upwards, and linkage assemblies which are used for driving the rotating plates on two sides to swing simultaneously are arranged in the rear inner.
According to the technical scheme, the elastic assembly comprises a matched sliding inner cavity communicated with the front end wall and the rear end wall of the accommodating cavity, the matched sliding inner cavity is symmetrically arranged, symmetrical lifting blocks are fixedly arranged on the end faces of two sides of the limiting cylinder, the lifting blocks are connected with the matched sliding inner cavity in a sliding fit mode, and a compression spring is elastically arranged between the lifting blocks and the end wall of the matched sliding inner cavity.
According to a further technical scheme, the linkage assembly comprises a transmission connecting shaft fixed with the rotating plate, the transmission connecting shaft is located at the center position in the rotating plate, the transmission connecting shaft extends into the rear-side inner cavity in a rotating mode, a motor power shaft is arranged in the motor matching inner cavity in a rotating mode, the motor power shaft extends into the rear-side inner cavity in a rotating mode, a rotating matching bevel gear and a connecting bevel gear are fixedly arranged on the end faces of the motor power shaft and the transmission connecting shaft respectively, the rotating matching bevel gear and the connecting bevel gear are arranged in a meshing mode, an output motor is fixedly arranged on the end wall of the motor matching inner cavity on one side, and the output motor is in power connection with the motor power shaft corresponding to the output motor power shaft.
The invention has the beneficial effects that:
the device is simple in structure, the device and the assembly are in a stop working state in an initial state, the device adopts the matching wheel and the hanging steel rope to integrally hang the device, and an internal clamping structure is utilized, so that the steel rope can be stably clamped in the limiting cylinder, the matching circular shaft, the moving wheel, the pressing groove and the middle box body, the bottom lifting hook is safer when taking articles, the steel rope clamping effect is further improved, the steel rope can be prevented from being broken, the middle box body can be indirectly fixed by the steel rope, and the safety of personnel and property is ensured.
When the steel cable is wound, the compression spring plays a role in buffering elasticity, so that the limiting cylinder and the steel cable are wound more stably, after the steel cable is wound between the matching circular shafts, the output motor drives the motor power shaft to rotate after working, the motor power shaft drives the rotating matching bevel gear to rotate after rotating, under the meshing action of the rotating matching bevel gear and the connecting bevel gear, the transmission connecting shaft drives the rotating plate and the matching circular shaft to rotate after rotating, due to the structural design formed by the rotating plate and the matching circular shaft, the rotating plate and the matching circular shaft gradually change from a vertical state to a horizontal state after relatively rotating, and the matching circular shaft on the lower side moves towards the center of the accommodating cavity, so that the steel cable between the matching circular shafts is gradually in the horizontal state, at the moment, the steel cable is completely clamped until the matching circular shaft and the rotating plate can not rotate any more, the steel cable is completely clamped by the matching circular shaft and the rotating plate, then the matching motor works to drive the rotating threaded rod to rotate, so that the rotating threaded rod drives the internal thread moving block to move after rotating, at the moment, the power rotating rod swings to change the distance position between the sliding matching box body, the sliding matching fixed block and the sliding box body, the purpose is to enable the moving wheel and the pressing groove to completely clamp the steel cable, at the moment, the sliding matching box body is abutted against the end wall of the accommodating cavity, the sliding box body is completely close to the steel cable, the pressing fixed rod is abutted against the steel cable, and the design purpose of the pressing fixed rod is that no matter the steel cable extends out or extends into the accommodating cavity, the pressing fixing rods limit the steel cable to realize further clamping, when the steel cable is separated from the accommodating cavity due to fracture, the steel cable is wound with the clamping of the pressing groove, the movable wheel rotates, the pressing fixing rods can preliminarily press the steel cable, the diameter of the pressing fixing rods is larger than the depth of the pressing groove, and therefore the function can be realized.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic view of the internal overall structure of a spreader of the present invention;
FIG. 2 is a schematic view taken along the line A-A in FIG. 1;
FIG. 3 is a schematic view of the direction B-B in FIG. 1;
FIG. 4 is a schematic view of the inner fit of the movable wheel and the pressing rod of FIG. 1;
FIG. 5 is a schematic view in the direction C-C of FIG. 1;
in the figure, a bottom hook 10, a limiting cylinder 11, a steel cable 12, a matching circular shaft 13, a rotating plate 14, a rear-side inner cavity 15, a middle box 16, a side placing inner cavity 17, a hanging steel cable 18, a matching wheel 19, a sliding box 20, a pressing groove 21, a pressing fixed rod 22, a moving wheel 23, a matching connecting groove 24, a containing cavity 25, a transmission connecting shaft 30, a connecting bevel gear 31, a rotating matching bevel gear 32, a motor power shaft 40, a motor matching inner cavity 41, a pressing spring 42, an output motor 43, a lifting block 44, a matching sliding inner cavity 45, a sliding matching fixed block 50, a power rotating rod 52, a matching motor 53, an internal thread moving block 54, a sliding matching inner cavity 55, a rotating threaded rod 56, a sliding matching box 57 and a transmission seat body 58.
Detailed Description
As shown in fig. 1 to 5, the present invention is explained in detail, and for convenience of description, the following orientations are defined as follows: the lifting appliance comprises a middle box body 16, wherein a containing cavity 25 is arranged in the middle box body 16, side placing inner cavities 17 positioned in the middle box body 16 are arranged on two sides of the containing cavity 25, the side placing inner cavities 17 are symmetrically arranged, openings of the side placing inner cavities 17 are formed, a bottom lifting hook 10 used for lifting objects is fixedly arranged on the lower end face of the middle box body 16, a limiting cylinder 11 is arranged between the front end wall and the rear end wall of the containing cavity 25, an opening is formed in the upper side of the containing cavity 25, a steel rope 12 is wound on the outer surface of the limiting cylinder 11, the steel rope 12 is divided into two parts, the two parts penetrate through the upper opening of the containing cavity 25, the steel rope 12 is connected with a crane in the external space, a matching wheel 19 is fixedly arranged in the side placing inner cavity 17, and a hanging steel rope 18 is wound on the outer surface of the matching wheel 19, the suspension steel rope 18 surrounds the matching wheel 19 for one circle and is connected with a crane in an external space, a primary clamping device for primarily clamping the steel rope 12 is arranged on the upper side of the cavity 25, and a rotary clamping device for further clamping the steel rope 12 is arranged on the lower side of the primary clamping device.
Beneficially, wherein, preliminary dress card device include with the cooperation spread groove 24 that holds chamber 25 front and back end wall intercommunication, cooperation spread groove 24 front and back symmetry sets up, the gliding cooperation fixed block 50 that slides that is provided with the symmetry in cooperation spread groove 24, the box 20 that slides is equipped with in the cooperation fixed block 50 that slides, be provided with in the cooperation fixed block 50 that slides be used for with cable wire 12 offsets fixed barrel subassembly, the cooperation fixed block 50 one side that slides is provided with the cooperation box 57 that slides, the cooperation box 57 that slides with cooperation spread groove 24 sliding fit connects, be provided with the drive in the cooperation box 57 the motion subassembly of relative motion between cooperation fixed block 50 that slides and the cooperation box 57 that slides.
Advantageously, the drum assembly comprises a moving wheel 23 rotatably arranged in the sliding box body 20, an open pressing groove 21 is formed in the outer side of the moving wheel 23, a plurality of pressing fixing rods 22 are fixedly arranged between the end walls of the pressing groove 21, the included angle between the pressing fixing rods 22 is 20 degrees for the sliding box body of the steel cable 1, the number of the pressing fixing rods 22 is two, the steel cable 12 bypasses the pressing groove 21 and extends upwards, and one of the pressing fixing rods 22 is abutted to the steel cable 12.
Beneficially, the moving assembly includes a sliding fit inner cavity 55 disposed in the sliding fit box 57, the sliding fit inner cavity 55 is provided with an opening, a fit motor 53 is fixedly disposed in a rear end wall of the sliding fit inner cavity 55, a rotating threaded rod 56 is disposed on one side of the fit motor 53 in a power connection manner, the rotating threaded rod 56 is connected with an end wall of the sliding fit inner cavity 55 in a rotating fit manner, two sections of thread lines with opposite rotation directions are disposed on an outer surface of the rotating threaded rod 56, a front and back symmetric internal thread moving block 54 is disposed on an outer surface of the rotating threaded rod 56 in a threaded fit manner, a power rotating rod 52 is disposed in the internal thread moving block 54 in a rotating manner, a transmission base 58 is fixedly disposed on one side end surface of the sliding box 20, and the transmission base 58.
Advantageously, the rotary clamping device comprises a rear inner cavity 15 arranged at the front and rear end walls of the cavity 25, the rear inner cavities 15 are symmetrically arranged, the number of the rear inner cavities 15 is four, a motor matching inner cavity 41 positioned in the middle box body 16 is arranged between the rear inner cavities 15 on the same side, an elastic component for elastically supporting the limiting cylinder 11 is arranged in the middle box body 16, the end wall of the containing cavity 25 is provided with rotating plates 14 which are bilaterally symmetrical in a rotating way, the rotating plates 14 are arranged in a front-back symmetrical way, symmetrical matching circular shafts 13 are fixedly arranged between the rotating plates 14 which are symmetrical in the front-back direction, the wire ropes 12 extend upwardly around the outer surfaces of the fitting circular shafts 13 and through the spaces between the fitting circular shafts 13, and linkage components for driving the rotary plates 14 at two sides to swing simultaneously are arranged in the rear-side inner cavity 15 and the motor matching inner cavity 41.
Beneficially, the elastic assembly includes a matching sliding inner cavity 45 communicated with the front end wall and the rear end wall of the accommodating cavity 25, the matching sliding inner cavity 45 is symmetrically arranged, symmetrical lifting blocks 44 are fixedly arranged on the end surfaces of the two sides of the limiting cylinder 11, the lifting blocks 44 are connected with the matching sliding inner cavity 45 in a sliding fit manner, and the compression spring 42 is elastically arranged between the lifting blocks 44 and the end wall of the matching sliding inner cavity 45.
Advantageously, the linkage assembly comprises a transmission connecting shaft 30 fixed to the rotation plate 14, the transmission connecting shaft 30 is located at the center position in the rotation plate 14, the transmission connecting shaft 30 rotatably extends into the rear inner cavity 15, a motor power shaft 40 is rotatably arranged in the motor matching inner cavity 41, the motor power shaft 40 rotatably extends into the rear inner cavity 15, a rotation matching bevel gear 32 and a connection bevel gear 31 are fixedly arranged on the end surfaces of the motor power shaft 40 and the transmission connecting shaft 30 respectively, the rotation matching bevel gear 32 and the connection bevel gear 31 are arranged in a meshed manner, an output motor 43 is fixedly arranged on the end wall of the motor matching inner cavity 41 on one side, and the output motor 43 is in power connection with the corresponding motor power shaft 40.
In the initial state, the device and the components are in the stop working state, the device adopts the matching wheel 19 and the hanging steel rope 18 to integrally hang the device, and utilizes an internal clamping structure to stably clamp the steel rope 12 in the limiting cylinder 11, the matching circular shaft 13, the moving wheel 23, the pressing groove 21 and the middle box 16, so that the bottom lifting hook 10 is safer when taking articles, the clamping effect of the steel rope 12 is further improved, the steel rope 12 can indirectly fix the middle box 16 under the condition that the steel rope 12 is possibly broken, and the safety of personnel and property is ensured.
When the steel cable 12 is wound, the pressing spring 42 plays a role of buffering elasticity, so that the limiting cylinder 11 and the steel cable 12 are wound more stably, after the steel cable 12 is wound between the matching circular shafts 13, the output motor 43 drives the motor power shaft 40 to rotate after working, the motor power shaft 40 drives the rotating matching bevel gear 32 to rotate after rotating, under the meshing action of the rotating matching bevel gear 32 and the connecting bevel gear 31, the transmission connecting shaft 30 drives the rotating plate 14 and the matching circular shaft 13 to rotate after rotating, due to the structural design formed by the rotating plate 14 and the matching circular shaft 13, the rotating plate 14 and the matching circular shaft 13 gradually change from a vertical state to a horizontal state after rotating relatively, and the matching circular shaft 13 moves towards the center of the accommodating cavity 25, so that the steel cable 12 between the matching circular shafts 13 is gradually in a horizontal state, at this time, the steel cable 12 is completely clamped until the matching circular shaft 13 and the rotating plate 14 can not rotate any more, the steel cable 12 is completely clamped by the matching circular shaft 13 and the rotating plate 14, then the matching motor 53 operates and drives the rotating threaded rod 56 to rotate, so that the rotating threaded rod 56 drives the internal thread moving block 54 to move after rotating, at this time, the power rotating rod 52 swings, so that the distance positions among the sliding matching box 57, the sliding matching fixed block 50 and the sliding box 20 are changed, the purpose is to enable the moving wheel 23 and the pressing groove 21 to completely clamp the steel cable 12, at this time, the sliding matching box 57 abuts against the end wall of the accommodating cavity 25, the sliding box 20 is completely close to the steel cable 12, the pressing fixed rod 22 abuts against the steel cable 12, and the design of the pressing fixed rod 22 is aimed at, no matter the steel cable 12 extends out or extends into the cavity 25, the pressing fixing rod 22 limits the steel cable 12 to realize further clamping, when the steel cable 12 is separated from the cavity 25 due to breakage, the moving wheel 23 can be rotated due to the fact that the steel cable 12 is wound with the clamping of the pressing groove 21, at the moment, the pressing fixing rod 22 can preliminarily press the steel cable 12, and the diameter of the pressing fixing rod 22 is larger than the depth of the pressing groove 21 to realize the function.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (7)
1. A lifting appliance comprises a middle box body, wherein a containing cavity is arranged in the middle box body, side placing inner cavities are arranged on two sides of the containing cavity and are symmetrically arranged, openings of the side placing inner cavities are formed, a bottom lifting hook for lifting objects is fixedly arranged on the lower end face of the middle box body, a limiting cylinder is arranged between the front end wall and the rear end wall of the containing cavity, an opening is formed in the upper side of the containing cavity, a steel cable is wound on the outer surface of the limiting cylinder and penetrates through the opening in the upper side of the containing cavity, the steel cable is connected with a crane in an external space, a matching wheel is fixedly arranged in the inner cavity of the side placing inner cavity, a hanging steel cable is wound on the outer surface of the matching wheel and is wound around the matching wheel for one circle and is connected with the crane in the external space, and a primary clamping device for primarily clamping the steel cable, and a rotary clamping device for further clamping the steel cable is arranged at the lower side of the primary clamping device.
2. A spreader according to claim 1, wherein: preliminary dress card device include with the cooperation spread groove of end wall intercommunication around the appearance chamber, the symmetry sets up around the cooperation spread groove, the gliding cooperation fixed block that slides that is provided with the symmetry in the cooperation spread groove, the cooperation fixed block that slides has set firmly the box that slides, it is provided with in the cooperation fixed block that slides and is used for with the cable wire carries out the offset fixed barrel subassembly, cooperation fixed block one side of sliding is provided with the cooperation box that slides, the cooperation box that slides with cooperation spread groove sliding fit connects, be provided with the drive in the cooperation box the cooperation fixed block that slides and slide the motion subassembly of relative motion between the cooperation box.
3. A spreader according to claim 2, wherein: the rotary drum assembly comprises a moving wheel arranged in the sliding box body in a rotating mode, an open pressing groove is formed in the outer side of the moving wheel, a plurality of pressing fixing rods are fixedly arranged between the end walls of the pressing groove, the included angle between the pressing fixing rods is the steel cable sliding box body degree, the number of the pressing fixing rods is two, the steel cable bypasses the pressing groove and extends upwards, and one of the pressing fixing rods and the steel cable are abutted.
4. A spreader according to claim 2, wherein: the moving assembly comprises a sliding fit inner cavity arranged in the sliding fit box body, the sliding fit inner cavity is provided with an opening, a fit motor is fixedly arranged in the rear end wall of the sliding fit inner cavity, a rotating threaded rod is arranged on one side of the fit motor in a power connection mode, the rotating threaded rod is connected with the end wall of the sliding fit inner cavity in a rotating fit mode, two sections of threaded lines with opposite rotating directions are arranged on the outer surface of the rotating threaded rod, an internal thread moving block which is symmetrical in the front and back direction is connected to the outer surface of the rotating threaded rod in a threaded fit mode, a power rotating rod is arranged in the internal thread moving block in a rotating mode, a transmission base body is fixedly arranged on one side.
5. A spreader according to claim 1, wherein: the rotary clamping device comprises a rear inner cavity arranged on the front end wall and the rear end wall of the accommodating cavity, the rear inner cavity is symmetrically arranged, the number of the rear inner cavity is four, the rear inner cavity is arranged on the same side, a motor matching inner cavity arranged in the middle box is arranged between the rear inner cavities, an elastic assembly for limiting the cylinders to elastically support is arranged in the middle box, rotating plates which are arranged in the end walls of the accommodating cavity in a rotating mode are symmetrically arranged in the front and the rear of the rotating plates, symmetrical matching circular shafts are fixedly arranged between the rotating plates in the front and the rear symmetry, steel cables are wound around the outer surfaces of the matching circular shafts and penetrate through the space between the matching circular shafts to upwards extend, and linkage assemblies for driving the rotating plates to swing simultaneously are arranged in the rear inner cavity and the motor matching inner cavity.
6. A spreader according to claim 5, wherein: the elastic assembly comprises a matched sliding inner cavity communicated with the front end wall and the rear end wall of the containing cavity, the matched sliding inner cavity is symmetrically arranged, symmetrical lifting blocks are fixedly arranged on the end surfaces of two sides of the limiting cylinder, the lifting blocks are connected with the matched sliding inner cavity in a sliding fit mode, and a compression spring is elastically arranged between the lifting blocks and the end wall of the matched sliding inner cavity.
7. A spreader according to claim 5, wherein: the linkage assembly comprises a transmission connecting shaft fixed with the rotating plate, the transmission connecting shaft is located at the center position in the rotating plate, the transmission connecting shaft stretches into the rear-side inner cavity in a rotating mode, a motor power shaft is arranged in the motor matching inner cavity in a rotating mode, the motor power shaft stretches into the rear-side inner cavity in a rotating mode, a rotating matching bevel gear and a connecting bevel gear are respectively and fixedly arranged on the end faces of the motor power shaft and the transmission connecting shaft, the rotating matching bevel gear and the connecting bevel gear are arranged in a meshing mode, an output motor is fixedly arranged on the end wall of the motor matching inner cavity on one side, and the output motor is in power connection with the motor power shaft corresponding to the output motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046074.4A CN111017705B (en) | 2020-03-10 | 2020-03-10 | Lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046074.4A CN111017705B (en) | 2020-03-10 | 2020-03-10 | Lifting appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111017705A true CN111017705A (en) | 2020-04-17 |
| CN111017705B CN111017705B (en) | 2020-11-27 |
Family
ID=70202869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010046074.4A Active CN111017705B (en) | 2020-03-10 | 2020-03-10 | Lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111017705B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5735025A (en) * | 1996-09-25 | 1998-04-07 | United States Forgecraft Corporation | Ergonomic recessed release safety hook |
| CN2532060Y (en) * | 2002-03-11 | 2003-01-22 | 魏佑祥 | Automatic drop resistant hook for crane cable break out |
| CN201592953U (en) * | 2009-11-16 | 2010-09-29 | 三一集团有限公司 | Steel wire rope breaking protection device |
| CN203638992U (en) * | 2013-12-30 | 2014-06-11 | 宁夏建工集团有限公司 | Break-proof rope device of tower-type crane |
| CN104444785A (en) * | 2014-11-17 | 2015-03-25 | 常熟市永固起重设备安装工程有限公司 | European type rotating safety hook |
| CN108502718A (en) * | 2018-06-26 | 2018-09-07 | 合肥市春华起重机械有限公司 | A kind of easy-to-dismount crane suspension hook |
-
2020
- 2020-03-10 CN CN202010046074.4A patent/CN111017705B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5735025A (en) * | 1996-09-25 | 1998-04-07 | United States Forgecraft Corporation | Ergonomic recessed release safety hook |
| CN2532060Y (en) * | 2002-03-11 | 2003-01-22 | 魏佑祥 | Automatic drop resistant hook for crane cable break out |
| CN201592953U (en) * | 2009-11-16 | 2010-09-29 | 三一集团有限公司 | Steel wire rope breaking protection device |
| CN203638992U (en) * | 2013-12-30 | 2014-06-11 | 宁夏建工集团有限公司 | Break-proof rope device of tower-type crane |
| CN104444785A (en) * | 2014-11-17 | 2015-03-25 | 常熟市永固起重设备安装工程有限公司 | European type rotating safety hook |
| CN108502718A (en) * | 2018-06-26 | 2018-09-07 | 合肥市春华起重机械有限公司 | A kind of easy-to-dismount crane suspension hook |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111017705B (en) | 2020-11-27 |
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