CN112591608A - Hoisting equipment capable of realizing automatic weight limitation - Google Patents
Hoisting equipment capable of realizing automatic weight limitation Download PDFInfo
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- CN112591608A CN112591608A CN202110048222.0A CN202110048222A CN112591608A CN 112591608 A CN112591608 A CN 112591608A CN 202110048222 A CN202110048222 A CN 202110048222A CN 112591608 A CN112591608 A CN 112591608A
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- Prior art keywords
- sliding
- gear
- lifting
- block
- cavity
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- 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
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
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- 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
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/445—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated
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- 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
- B66C13/16—Applications of indicating, registering, or weighing devices
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- 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
- B66C15/06—Arrangements or use of warning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses hoisting equipment capable of realizing automatic weight limitation, which comprises a box body, wherein a lifting cavity is arranged in the box body, a lifting groove is arranged on the left side wall of the lifting cavity in a penetrating way, a lifting block is arranged on the lifting groove in a sliding way, the right end of the lifting block is connected with the right side wall of the lifting cavity in a sliding way, the left end of the lifting block is positioned at the left side of the box body, the lower end of the lifting block is provided with a sliding cavity with a downward opening, the sliding cavity is positioned at the left side of the box body, the sliding block is arranged in the sliding cavity in a sliding way, the lower end of the sliding block is positioned at the lower end of the lifting block, the invention can automatically stop working when lifting or carrying an overweight object, therefore, the hoisting equipment is prevented from working under an overload state, the problem that a worker deviates when the weight of an object is estimated is solved, the safety of hoisting or carrying work is ensured, the long-term normal work of the equipment is ensured, and the service life is prolonged.
Description
Technical Field
The invention relates to the related technical field of cranes, in particular to hoisting equipment capable of realizing automatic weight limitation.
Background
The crane can carry heavy objects within a certain range, the crane must mark rated lifting capacity at an obvious position, before lifting, workers need to pre-estimate the weight of the heavy object to be carried firstly and then carry or lift the heavy object, and the heavy object often cannot be measured in weight, so that the pre-estimation of the workers occasionally causes errors, the crane works overweight and equipment damage is caused.
Disclosure of Invention
In order to solve the problems, the embodiment designs a hoisting device capable of realizing automatic weight limitation, which comprises a box body, wherein a lifting cavity is arranged in the box body, the left side wall of the lifting cavity is provided with a lifting groove in a penetrating way, the lifting groove is provided with a lifting block in a sliding way, the right end of the lifting block is connected with the right side wall of the lifting cavity in a sliding way, the left end of the lifting block is positioned at the left side of the box body, the lower end of the lifting block is provided with a sliding cavity with a downward opening, the sliding cavity is positioned at the left side of the box body, a sliding block is arranged in the sliding cavity in a sliding way, the lower end of the sliding block is positioned at the lower end of the lifting block, the upper end of the sliding block is connected with the upper side wall of the sliding cavity and provided with a connecting spring, the sliding block is provided with a working, the two rotating shafts are bilaterally symmetrical by taking the transmission bevel gear as a symmetrical center, a rotating gear and a claw clamp are fixedly arranged on the rotating shafts, the rotating gear is positioned at the rear side of the claw clamp, one end of the claw clamp far away from the transmission bevel gear is positioned outside the working cavity, the left side wall of the sliding cavity is provided with a sliding chute in a penetrating way, the left end of the sliding block is provided with a clamping groove with a right opening, the clamping groove is positioned at the right side of the sliding chute and communicated with the sliding chute, a wedge-shaped rod is arranged between the sliding chute and the clamping groove in a sliding way, a reset spring is arranged between the wedge-shaped rod and the sliding chute in a connecting way, a warning lamp is fixedly arranged at the left end of the wedge-shaped rod, the right side wall of the sliding cavity is provided with a first transmission cavity in a communicating way, the right side of the rear side wall of the first transmission cavity is provided with a, the second transmission shaft penetrates through the second transmission cavity, the rear end of the second transmission shaft is positioned in the lifting cavity, a main belt wheel and a first transmission gear are fixedly arranged on the first transmission shaft, the main belt wheel is positioned at the front side of the first transmission gear, a transmission rack is fixedly arranged on the right side wall of the sliding block, the transmission rack is meshed with the first transmission gear and is connected with a secondary belt wheel and a second transmission gear, the secondary belt wheel is positioned in the first transmission cavity, the second transmission gear is positioned in the lifting cavity, a fixed shaft is fixedly arranged between the upper side wall and the lower side wall of the lifting cavity, a movable sleeve shaft is in threaded connection with the fixed shaft, the movable sleeve shaft penetrates through the lifting block and is rotationally connected with the lifting block, a lifting gear is fixedly arranged on the movable sleeve shaft, and the lifting gear is positioned at the upper side of the lifting block, the rear end of the lifting block is provided with a moving groove with a backward opening, a moving block is arranged in the moving groove in a sliding mode, the rear end of the moving block is located in the lifting cavity, a driven rack is fixedly arranged at the lower end of the moving block and meshed with the second transmission gear, a first linking shaft is rotatably arranged at the upper end of the moving block, a first linking gear is fixedly arranged on the first linking shaft and meshed with the lifting gear, two second linking shafts are rotatably arranged at the upper end of the moving block and located on the right side of the first linking shaft, the two second linking shafts are front-back symmetrical with the first linking shaft as a symmetrical center, a second linking gear is fixedly arranged on the second linking shaft, and the left second linking gear is meshed with the second linking gear on the right side.
Beneficially, the rear side wall of the working cavity is rotatably provided with two worm gear shafts which are bilaterally symmetrical with the transmission bevel gear as a symmetrical center, the worm gear shafts are positioned on the lower side of the worm, the worm gear shafts are fixedly provided with a driven gear and a worm gear, the driven gear is positioned on the rear side of the worm gear, the worm gear is meshed with the worm, the rear side wall of the working cavity is slidably provided with two first sliding blocks, the first sliding blocks are positioned on the lower side of the worm gear shafts and positioned on the upper side of the rotating shaft, the two first sliding blocks are bilaterally symmetrical with the transmission bevel gear as a symmetrical center, the lower ends of the first sliding blocks are fixedly provided with first racks, the first racks are meshed with the rotation gear, the upper ends of the first sliding blocks are fixedly provided with fixed blocks, and the two fixed blocks are bilaterally symmetrical with the transmission bevel, the fixed block is positioned at one side of the upper end of the first slide block close to the transmission bevel gear, the upper end of the first slide block is provided with a second slide block in a sliding manner, the second slide block is positioned at one end of the fixed block far away from the transmission bevel gear, the rear end of the second slide block is connected with the rear side wall of the working chamber in a sliding manner, the upper end of the second slide block is fixedly provided with a second rack, the second rack is meshed with the driven gear, an extension spring is connected between the second slide block and the fixed block, the lower end of the second slide block is provided with a groove with a downward opening, the left side wall and the right side wall of the working chamber are respectively communicated with a fixed groove, the fixed groove is positioned at one end of the second slide block far away from the transmission bevel gear, the lower side wall of the fixed groove is communicated, the fixture block is connected with and is equipped with compression spring between the spring groove, the worm rotates and drives the worm wheel and rotate, driven gear through the second rack band moves the second slider with first slider removes to drive through first rack the rotation gear rotates, the claw presss from both sides the rotation.
Beneficially, a main motor is fixedly arranged on the lower side wall of the lifting cavity, the main motor is located on the rear side of the fixed shaft, the upper end of the main motor is in power connection with a power shaft, a spline sleeve is in spline connection with the power shaft, the spline sleeve is located on the rear side of the lifting block, an auxiliary plate is fixedly arranged on the rear end of the lifting block, the auxiliary plate is in rotational connection with the spline sleeve, a power gear is fixedly arranged on the spline sleeve, the power gear is in meshing connection with the first linking gear, and the spline sleeve drives the power gear to rotate so as to drive the first linking gear to rotate.
Beneficially, the side wall of the sliding cavity is fixedly provided with an auxiliary motor, the lower end of the auxiliary motor is in power connection with a bevel gear shaft, the lower end of the bevel gear shaft is located in the working cavity, the bevel gear shaft is located in the working cavity and is fixedly provided with a power bevel gear, the power bevel gear is in meshed connection with the transmission bevel gear, and the bevel gear shaft drives the power bevel gear to rotate, so that the transmission bevel gear is driven to rotate.
Advantageously, the secondary pulley is connected to the primary pulley by a belt.
The invention has the beneficial effects that: the invention can automatically stop working when lifting or carrying an overweight object, thereby avoiding the lifting equipment from working in an overload state, solving the problem of deviation when the weight of the object is estimated by workers, ensuring the safety of lifting or carrying work, ensuring the long-term normal work of the equipment and prolonging the service life.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of an overall hoisting device capable of realizing automatic weight limitation according to the present invention.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
Fig. 3 is a schematic diagram of the structure B-B in fig. 2.
Fig. 4 is an enlarged schematic view of C in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The hoisting equipment capable of realizing automatic weight limitation comprises a box body 11, wherein a lifting cavity 12 is arranged in the box body 11, a lifting groove 49 penetrates through the left side wall of the lifting cavity 12, a lifting block 43 is arranged on the lifting groove 49 in a sliding manner, the right end of the lifting block 43 is connected with the right side wall of the lifting cavity 12 in a sliding manner, the left end of the lifting block 43 is positioned on the left side of the box body 11, a sliding cavity 16 with a downward opening is arranged at the lower end of the lifting block 43, the sliding cavity 16 is positioned on the left side of the box body 11, a sliding block 17 is arranged in the sliding cavity 16 in a sliding manner, the lower end of the sliding block 17 is positioned at the lower end of the lifting block 43, a connecting spring 15 is arranged at the upper end of the sliding block 17 and the upper side wall of the sliding cavity 16 in a connecting manner, a working cavity 14 which is communicated up and down is arranged on the sliding block, the rear side wall of the working cavity 14 is rotatably provided with two rotating shafts 34, the two rotating shafts 34 are bilaterally symmetrical with the transmission bevel gear 21 as a symmetrical center, the rotating shaft 34 is fixedly provided with a rotating gear 35 and a claw clamp 39, the rotating gear 35 is positioned at the rear side of the claw clamp 39, one end of the claw clamp 39 far away from the transmission bevel gear 21 is positioned at the outer side of the working cavity 14, the left side wall of the sliding cavity 16 is provided with a sliding groove 68 in a penetrating manner, the left end of the sliding block 17 is provided with a clamping groove 64 with an opening facing right, the clamping groove 64 is positioned at the right side of the sliding groove 68 and communicated with the sliding groove 68, a wedge-shaped rod 65 is arranged between the sliding groove 68 and the clamping groove 64 in a sliding manner, a return spring 66 is connected between the wedge-shaped rod 65 and the sliding groove 68, the left end of the wedge-shaped rod 65 is fixedly provided with a warning lamp 67, the right side wall of the, the front side wall of the first transmission cavity 48 is provided with a first transmission shaft 51 and a second transmission shaft 46 in a rotating manner, the first transmission shaft 51 is positioned on the left side of the second transmission shaft 46, the second transmission shaft 46 penetrates through the second transmission cavity 44, the rear end of the second transmission shaft 46 is positioned in the lifting cavity 12, the first transmission shaft 51 is fixedly provided with a driving pulley 50 and a first transmission gear 52, the driving pulley 50 is positioned on the front side of the first transmission gear 52, the right side wall of the sliding block 17 is fixedly provided with a transmission rack 13, the transmission rack 13 is meshed with the first transmission gear 52, the second transmission shaft 46 is fixedly provided with a secondary pulley 45 and a second transmission gear 47, the secondary pulley 45 is positioned in the first transmission cavity 48, the second transmission gear 47 is positioned in the lifting cavity 12, and a fixing shaft 40 is fixedly arranged between the upper side wall and the lower side wall of the lifting cavity 12, a moving sleeve shaft 41 is connected to the fixed shaft 40 through a thread, the moving sleeve shaft 41 penetrates through the lifting block 43 and is rotatably connected with the lifting block 43, a lifting gear 42 is fixedly arranged on the moving sleeve shaft 41, the lifting gear 42 is positioned on the upper side of the lifting block 43, a moving groove 62 with a backward opening is arranged at the rear end of the lifting block 43, a moving block 58 is arranged in the moving groove 62 in a sliding manner, the rear end of the moving block 58 is positioned in the lifting cavity 12, a driven rack 59 is fixedly arranged at the lower end of the moving block 58, the driven rack 59 is engaged and connected with the second transmission gear 47, a first engaging shaft 57 is rotatably arranged at the upper end of the moving block 58, a first engaging gear 54 is fixedly arranged on the first engaging shaft 57, the first engaging gear 54 is engaged and connected with the lifting gear 42, and two second engaging shafts 56 are rotatably arranged at the upper end of the moving block 58, the second connecting shaft 56 is located at the right side of the first connecting shaft 57, the two second connecting shafts 56 are symmetrical front and back with the first connecting shaft 57 as a symmetrical center, a second connecting gear 53 is fixedly arranged on the second connecting shaft 56, and the second connecting gear 53 at the left side is in meshed connection with the second connecting gear 53 at the right side.
Advantageously, the rear side wall of the working chamber 14 is rotatably provided with two worm gear shafts 24, the two worm gear shafts 24 are bilaterally symmetrical about the transmission bevel gear 21, the worm gear shafts 24 are located at the lower side of the worm 22, the worm gear shaft 24 is fixedly provided with the driven gear 23 and the worm gear 25, the driven gear 23 is located at the rear side of the worm gear 25, the worm gear 25 is in meshed connection with the worm 22, the rear side wall of the working chamber 14 is slidably provided with two first sliding blocks 33, the first sliding blocks 33 are located at the lower side of the worm gear shafts 24, the first sliding blocks 33 are located at the upper side of the rotating shaft 34, the two first sliding blocks 33 are bilaterally symmetrical about the transmission bevel gear 21, the lower ends of the first sliding blocks 33 are fixedly provided with first racks 36, the first racks 36 are in meshed connection with the rotating gear 35, the upper ends of the first sliding blocks 33 are fixedly provided with fixed blocks, the two fixing blocks 37 are bilaterally symmetrical with the transmission bevel gear 21 as a symmetrical center, the fixing blocks 37 are positioned on one side of the upper end of the first sliding block 33 close to the transmission bevel gear 21, the upper end of the first sliding block 33 is provided with a second sliding block 32 in a sliding manner, the second sliding block 32 is positioned at one end of the fixing block 37 far away from the transmission bevel gear 21, the rear end of the second sliding block 32 is connected with the rear side wall of the working chamber 14 in a sliding manner, the upper end of the second sliding block 32 is fixedly provided with a second rack 30, the second rack 30 is connected with the driven gear 23 in a meshing manner, an expansion spring 38 is connected between the second sliding block 32 and the fixing block 37, the lower end of the second sliding block 32 is provided with a groove 31 with a downward opening, the left side wall and the right side wall of the working chamber 14 are respectively communicated with a fixing groove 26, and the fixing groove, the side wall intercommunication is equipped with spring groove 28 under the fixed slot 26, spring groove 28 slides and is equipped with fixture block 27, fixture block 27 upper end is located in the fixed slot 26, fixture block 27 with it is equipped with compression spring 29 to connect between the spring groove 28, worm 22 rotates and drives worm wheel 25 rotates, driven gear 23 passes through second rack 30 drives second slider 32 with first slider 33 removes to through first rack 36 drives rotating gear 35 rotates, claw clamp 39 rotates.
Advantageously, a main motor 61 is fixedly arranged on the lower side wall of the lifting cavity 12, the main motor 61 is located on the rear side of the fixed shaft 40, a power shaft 63 is dynamically connected to the upper end of the main motor 61, a spline sleeve 69 is connected to the power shaft 63 in a spline mode, the spline sleeve 69 is located on the rear side of the lifting block 43, an auxiliary plate 60 is fixedly arranged on the rear end of the lifting block 43, the auxiliary plate 60 is rotatably connected with the spline sleeve 69, a power gear 55 is fixedly arranged on the spline sleeve 69, the power gear 55 is in meshing connection with the first engaging gear 54, and the spline sleeve 69 drives the power gear 55 to rotate, so that the first engaging gear 54 is driven to rotate.
Advantageously, an auxiliary motor 18 is fixedly arranged on the upper side wall of the sliding cavity 16, a bevel gear shaft 19 is fixedly connected to the lower end of the auxiliary motor 18, the lower end of the bevel gear shaft 19 is located in the working cavity 14, a power bevel gear 20 is fixedly arranged on the bevel gear shaft 19 in the working cavity 14, the power bevel gear 20 is in meshed connection with the transmission bevel gear 21, and the bevel gear shaft 19 drives the power bevel gear 20 to rotate, so as to drive the transmission bevel gear 21 to rotate.
Advantageously, the secondary pulley 45 is connected to the primary pulley 50 by a belt.
The following detailed description of the using steps of a hoisting device capable of achieving automatic weight limiting in the present disclosure is provided with reference to fig. 1 to 4:
in the initial state, the connecting spring 15 is in the initial state, the right end of the wedge rod 65 is positioned in the clamping groove 64, the first engaging gear 54 is meshed with the power gear 55 and the lifting gear 42, and the warning light 67 is positioned in the sliding groove 68;
when the device is used, the main motor 61 is started, the power shaft 63 is driven to rotate, so that the power gear 55 is driven to rotate through the spline sleeve 69, the power gear 55 drives the lifting gear 42 to rotate through the first connecting gear 54, the lifting gear 42 drives the movable sleeve shaft 41 to rotate, so that the lifting block 43 is driven to move downwards to a specified position and then the main motor 61 is stopped, the lifting block 43 is static, then the secondary motor 18 is started, the secondary motor 18 drives the bevel gear shaft 19 to rotate, the bevel gear shaft 19 drives the power bevel gear 20 to rotate, the power bevel gear 20 drives the transmission bevel gear 21 to rotate, the transmission bevel gear 21 drives the worm 22 to rotate, so that the worm wheel 25 is driven to rotate, the worm wheel 25 drives the driven gear 23 to rotate through the worm gear shaft 24, the driven gear 23 drives the second sliding block 32 and the first sliding block 33 to move through the second rack 30, the first rack 36 drives the rotating gear 35, the heavy object is grabbed, the claw clamp 39 abuts against the heavy object, the rotating shaft 34 stops rotating, the first sliding block 33 stops moving, the second sliding block 32 slides on the first sliding block 33, the telescopic spring 38 stretches, the second sliding block 32 moves to the fixing groove 26, the clamping block 27 is clamped into the groove 31, the auxiliary motor 18 stops, the main motor 61 is started to drive the power shaft 63 to rotate reversely, and therefore the lifting block 43 is driven to move upwards;
if the weight of the heavy object is lower than the limit, the heavy object is normally carried, if the weight of the heavy object is excessive, the sliding block 17 is static, the lifting block 43 moves upwards, the wedge-shaped rod 65 pushes leftwards, the warning light 67 extends out of the sliding groove 68 to play a warning role, meanwhile, the transmission rack 13 drives the first transmission gear 52 to rotate, the first transmission gear 52 drives the main belt wheel 50 to rotate through the first transmission shaft 51, the main belt wheel 50 drives the secondary belt wheel 45 to rotate through the belt, so that the second transmission shaft 46 drives the second transmission gear 47 to rotate, so that the moving block 58 is driven to move leftwards through the driven rack 59, the first linking gear 54 is separated from the power gear 55 and the lifting gear 42, the second linking gear 53 is meshed with the power gear 55 and the lifting gear 42, so that the lifting gear 42 rotates reversely, the moving sleeve shaft 41 rotates reversely, the lifting block 43 moves downwards and returns to the initial, meanwhile, the transmission rack 13 drives the first transmission gear 52 to rotate reversely, so that the moving block 58 moves rightwards, the first engaging gear 54 is reset, the main motor 61 is stopped, the auxiliary motor 18 is started to drive the bevel gear shaft 19 to rotate reversely, the claw clamp 39 is driven to rotate to loosen the heavy object, and the equipment is recovered to the initial state.
The invention has the beneficial effects that: the invention can automatically stop working when lifting or carrying an overweight object, thereby avoiding the lifting equipment from working in an overload state, solving the problem of deviation when the weight of the object is estimated by workers, ensuring the safety of lifting or carrying work, ensuring the long-term normal work of the equipment and prolonging the service life.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a can realize hoisting equipment of automatic limit for weight, includes the box, its characterized in that: a lifting cavity is arranged in the box body, a lifting groove is arranged on the left side wall of the lifting cavity in a penetrating manner, a lifting block is arranged on the lifting groove in a sliding manner, the right end of the lifting block is connected with the right side wall of the lifting cavity in a sliding manner, the left end of the lifting block is positioned on the left side of the box body, a sliding cavity with a downward opening is arranged at the lower end of the lifting block, the sliding cavity is positioned on the left side of the box body, a sliding block is arranged in the sliding cavity in a sliding manner, the lower end of the sliding block is positioned at the lower end of the lifting block, a connecting spring is arranged at the upper end of the sliding block and connected with the side wall of the sliding cavity, a working cavity which is communicated up and down is arranged on the sliding block, a worm is arranged between the left side wall and the right side wall of the working cavity in a rotating manner, the rotary gear is positioned at the rear side of the claw clamp, one end of the claw clamp, which is far away from the transmission bevel gear, is positioned outside the working cavity, the left side wall of the sliding cavity is provided with a sliding groove in a penetrating manner, the left end of the sliding block is provided with a clamping groove with a right opening, the clamping groove is positioned at the right side of the sliding groove and communicated with the sliding groove, a wedge-shaped rod is arranged between the sliding groove and the clamping groove in a sliding manner, a reset spring is connected between the wedge-shaped rod and the sliding groove, the left end of the wedge-shaped rod is fixedly provided with a warning lamp, the right side wall of the sliding cavity is communicated with a first transmission cavity, the right side of the rear side wall of the first transmission cavity is provided with a second transmission cavity in a penetrating manner, the front side wall of the first transmission cavity is rotatably provided with a first transmission shaft and a second transmission shaft, the first transmission shaft is positioned, a main belt wheel and a first transmission gear are fixedly arranged on the first transmission shaft, the main belt wheel is positioned at the front side of the first transmission gear, a transmission rack is fixedly arranged on the right side wall of the sliding block, the transmission rack is meshed with the first transmission gear, a secondary belt wheel and a second transmission gear are fixedly arranged on the second transmission shaft, the secondary belt wheel is positioned in the first transmission cavity, the second transmission gear is positioned in the lifting cavity, a fixed shaft is fixedly arranged between the upper side wall and the lower side wall of the lifting cavity, a movable sleeve shaft is connected onto the fixed shaft in a threaded manner, penetrates through the lifting block and is rotatably connected with the lifting block, a lifting gear is fixedly arranged on the movable sleeve shaft, the lifting gear is positioned on the upper side of the lifting block, a moving groove with a backward opening is arranged at the rear end of the lifting block, and a moving block is arranged in the moving groove in a, the rear end of the moving block is located in the lifting cavity, a driven rack is fixedly arranged at the lower end of the moving block and meshed with the second transmission gear, a first linking shaft is rotatably arranged at the upper end of the moving block, a first linking gear is fixedly arranged on the first linking shaft and meshed with the lifting gear, two second linking shafts are rotatably arranged at the upper end of the moving block and located on the right side of the first linking shaft, the two second linking shafts are symmetrical front and back by taking the first linking shaft as a symmetrical center, a second linking gear is fixedly arranged on the second linking shaft, and the left second linking gear is meshed with the second linking gear on the right side.
2. The hoisting device capable of realizing automatic weight limitation as claimed in claim 1, wherein: the rear side wall of the working cavity is rotationally provided with two worm gear shafts which are bilaterally symmetrical by taking the transmission bevel gear as a symmetrical center, the worm gear shafts are positioned at the lower side of the worm, the worm gear shafts are fixedly provided with a driven gear and a worm gear, the driven gear is positioned at the rear side of the worm gear, the worm gear is meshed with the worm, the rear side wall of the working cavity is slidably provided with two first sliding blocks, the first sliding blocks are positioned at the lower side of the worm gear shafts, the first sliding blocks are positioned at the upper side of the rotating shaft, the two first sliding blocks are bilaterally symmetrical by taking the transmission bevel gear as a symmetrical center, the lower ends of the first sliding blocks are fixedly provided with first racks, the first racks are meshed with the rotation gear, the upper ends of the first sliding blocks are fixedly provided with fixed blocks, the two fixed blocks are bilaterally symmetrical by taking the transmission bevel gear as a symmetrical center, and the, the upper end of the first sliding block is provided with a second sliding block in a sliding mode, the second sliding block is located at one end, far away from the fixed block, of the transmission bevel gear, the rear end of the second sliding block is connected with the rear side wall of the working chamber in a sliding mode, a second rack is fixedly arranged at the upper end of the second sliding block and meshed with the driven gear, an expansion spring is connected between the second sliding block and the fixed block, a groove with a downward opening is formed in the lower end of the second sliding block, the left side wall and the right side wall of the working chamber are respectively communicated with a fixing groove, the fixing groove is located at one end, far away from the transmission bevel gear, of the second sliding block, a spring groove is formed in the lower side wall of the fixing groove in a communicating mode, a clamping block is arranged in the sliding mode, the upper.
3. The hoisting device capable of realizing automatic weight limitation as claimed in claim 1, wherein: the lifting mechanism comprises a lifting cavity, a first linking gear and a lifting block, wherein a main motor is fixedly arranged on the lower side wall of the lifting cavity, the main motor is located on the rear side of the fixed shaft, the upper end of the main motor is in power connection with a power shaft, a spline sleeve is connected to the power shaft in a spline mode, the spline sleeve is located on the rear side of the lifting block, an auxiliary plate is fixedly arranged on the rear end of the lifting block, the auxiliary plate is in rotating connection with the spline sleeve, a power gear is fixedly arranged on the spline sleeve, and the power gear is in meshing connection with the.
4. The hoisting device capable of realizing automatic weight limitation as claimed in claim 1, wherein: the side wall is fixedly provided with an auxiliary motor on the sliding cavity, the lower end of the auxiliary motor is in power connection with a bevel gear shaft, the lower end of the bevel gear shaft is located in the working cavity, and a power bevel gear is fixedly arranged in the working cavity and is in meshed connection with the transmission bevel gear.
5. The hoisting device capable of realizing automatic weight limitation as claimed in claim 1, wherein: the secondary belt wheel is connected with the primary belt wheel through a belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110048222.0A CN112591608A (en) | 2021-01-14 | 2021-01-14 | Hoisting equipment capable of realizing automatic weight limitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110048222.0A CN112591608A (en) | 2021-01-14 | 2021-01-14 | Hoisting equipment capable of realizing automatic weight limitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112591608A true CN112591608A (en) | 2021-04-02 |
Family
ID=75208024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110048222.0A Withdrawn CN112591608A (en) | 2021-01-14 | 2021-01-14 | Hoisting equipment capable of realizing automatic weight limitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112591608A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10258991A (en) * | 1997-03-17 | 1998-09-29 | Kato Works Co Ltd | Crane cargo operation display |
| CN104817017A (en) * | 2015-04-18 | 2015-08-05 | 长沙新气象自动化技术有限公司 | Novel gantry crane grab bucket weighing device |
| CN105417380A (en) * | 2015-11-27 | 2016-03-23 | 河南新科起重机股份有限公司 | Novel intelligent stand column swing arm crane |
-
2021
- 2021-01-14 CN CN202110048222.0A patent/CN112591608A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10258991A (en) * | 1997-03-17 | 1998-09-29 | Kato Works Co Ltd | Crane cargo operation display |
| CN104817017A (en) * | 2015-04-18 | 2015-08-05 | 长沙新气象自动化技术有限公司 | Novel gantry crane grab bucket weighing device |
| CN105417380A (en) * | 2015-11-27 | 2016-03-23 | 河南新科起重机股份有限公司 | Novel intelligent stand column swing arm crane |
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Application publication date: 20210402 |