CN111807218B - Clamping device applied to cantilever crane - Google Patents
Clamping device applied to cantilever crane Download PDFInfo
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- CN111807218B CN111807218B CN202010696756.XA CN202010696756A CN111807218B CN 111807218 B CN111807218 B CN 111807218B CN 202010696756 A CN202010696756 A CN 202010696756A CN 111807218 B CN111807218 B CN 111807218B
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- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 230000004224 protection Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000011449 brick Substances 0.000 abstract description 112
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 8
- 239000011469 building brick Substances 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
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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
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a clamping device applied to a cantilever crane, which belongs to the technical field of clamping devices of cantilever cranes and comprises a clamping mechanism and a protection mechanism, wherein the protection mechanism is arranged behind the clamping mechanism; according to the invention, the rear part of the brick pile is protected when the brick pile is clamped, and the left and right side walls of the brick pile are all acted with force when the brick pile is clamped, after clamping is finished, the movable clamping jaw is locked by the locking mechanism, so that clamping is more stable, the rear protection mechanism can effectively attach to the rear wall of the brick pile to protect the brick pile, and the situation that when the hanging brick pile is lifted, the upper brick pile is shaken, dropped and damaged in moving to increase the production cost is avoided.
Description
Technical Field
The invention relates to the field of clamping devices of cantilever cranes, in particular to a clamping device applied to a cantilever crane.
Background
The building brick is an important building material and occupies a very important position in the current building engineering. In an engineering project, the amount of bricks is huge, and a brick clamping device is needed to clamp the manually stacked brick pile, put the brick pile on a transport vehicle and transport the brick pile to the engineering project.
When the brick clamping device clamping brick pile is used at present to lift, the position of the brick pile is not protected, and in the moving process of the clamping device, the brick pile is rocked to enable a building above to drop from the clamping device, so that the building brick is damaged, and the production cost is increased.
Based on the above, the invention designs a clamping device applied to a cantilever crane to solve the above problems.
Disclosure of Invention
The invention aims to provide a clamping device applied to a cantilever crane, and the clamping device is used for solving the problems that when a brick clamping device is used for clamping a brick pile for hoisting at present, the position of the brick pile is not protected, and in the moving process of the clamping device, the brick pile shakes to enable a building above the brick pile to fall from the inside of the clamping device, so that the building brick is damaged, and the production cost is increased.
In order to achieve the purpose, the invention provides the following technical scheme: a clamping device applied to a cantilever crane comprises a clamping mechanism and a protection mechanism, wherein the protection mechanism is arranged behind the clamping mechanism, the clamping mechanism comprises a rectangular supporting plate, the top of the rectangular supporting plate is fixedly connected with two U-shaped blocks, the tops of the two U-shaped blocks are fixedly connected with a lifting plate together, one end of the lower part of the rectangular supporting plate is fixedly connected with a fixed clamping jaw, the other end of the lower part of the rectangular supporting plate is slidably connected with a movable clamping jaw, the bottoms of the fixed clamping jaw and the movable clamping jaw are both inwards protruded, the top of the movable clamping jaw is fixedly connected with a T-shaped sliding block, the middle part of the rectangular supporting plate is provided with a supporting sliding groove in sliding fit with the T-shaped sliding block, the inner part of the rectangular supporting plate is rotatably connected with a lead screw, the lead screw is rotatably matched with the T-shaped sliding block, the left end of the lead screw is provided with a power mechanism, the top of the T-shaped sliding block is rotatably connected with a first connecting rod, and the right end of the first connecting rod is provided with a rectangular through groove, the sliding column is connected in the rectangular through groove in a sliding manner, the top of the rectangular support plate is fixedly connected with a clip-shaped sliding groove, the clip-shaped sliding groove is in sliding fit with the sliding column, an elastic supporting mechanism is arranged in the clip-shaped sliding groove and is in sliding fit with the sliding column, the top of the sliding column is fixedly connected with an L-shaped connecting block, the L-shaped connecting block is fixedly connected with a protective mechanism, the left side of the first connecting rod is connected with a guide column in a sliding manner, the bottom of the guide column is fixedly connected with an L-shaped sliding block, the rear side of the transverse part of the L-shaped sliding block is fixedly connected with a rack, the top of the rectangular support plate is rotatably connected with a first gear, the first gear is meshed with the rack, the top of a fixed rotating shaft in the middle part of the first gear is fixedly connected with a first motor, the top of the transverse part of the rectangular support plate is fixedly connected with a U-shaped guide sleeve, and the U-shaped guide sleeve is connected with the L-shaped sliding block in a sliding manner, a supporting block is fixedly connected to the top of the rectangular supporting plate close to the right, the supporting block is connected with an L-shaped sliding block in a sliding mode, and a locking mechanism used for locking the screw rod is connected between the surface of the screw rod and the rectangular supporting plate;
the protection mechanism comprises an expansion plate, the rear sides of the fixed clamping jaw and the movable clamping jaw are fixedly connected with sliding groove blocks, the expansion plate is connected with the two sliding groove blocks in a sliding mode, the left side and the right side of the front side of the expansion plate are fixedly connected with two groups of first sliding rods, the first sliding rods penetrate through the fixed clamping jaw and the movable clamping jaw and are connected with the fixed clamping jaw in a sliding mode, each first sliding rod is sleeved with a first spring, one end of each first spring is fixedly connected to the front side of the expansion plate, the other end of each first spring is fixedly connected to the fixed clamping jaw and the movable clamping jaw, the top of the fixed part of the expansion plate is fixedly connected with an L-shaped moving block, the front end of the L-shaped moving block is fixedly connected with an L-shaped connecting block, the top of the rectangular supporting plate is fixedly connected with a U-shaped plate, and the U-shaped plate is connected with the L-shaped moving block in a sliding mode;
when the brick clamping device is used for clamping a brick pile for hoisting at present, the position of the brick pile is not protected, the brick pile shakes during the moving process of the clamping device, so that an upper building brick can fall from the clamping device, the building brick is damaged, the production cost is increased, the power mechanism drives the screw rod to rotate, the screw rod rotates to drive the T-shaped slider to move inwards, the T-shaped slider is fixedly connected with the movable clamping jaw so as to drive the movable clamping jaw to move inwards to clamp the piled brick pile, the movable clamping jaw and the fixed clamping jaw are both L-shaped, when the screw rod drives the movable clamping jaw to horizontally move to clamp the brick pile, the bottom of the screw rod firstly clamps the brick pile, the clamping is firmer, the rear part of the movable clamping jaw is provided with the expansion plate which is a certain distance away from the brick pile so as to drive the expansion plate to expand, the T-shaped slider pushes the first connecting rod when moving inwards, the first connecting rod drives the sliding column to move in the return chute, the top of the sliding column is fixedly connected with an L-shaped connecting block, the L-shaped connecting block drives an expansion plate to move forwards through an L-shaped moving block to be attached to the rear wall of the brick pile to protect the brick pile, when the T-shaped sliding block moves to the innermost side and the expansion amount of the expansion plate is the largest, the expansion plate just moves to the rearmost part of the brick pile, a first motor is started to drive a first gear to rotate, the first gear is meshed with a rack which is fixedly connected to the L-shaped sliding block so that the L-shaped sliding block moves leftwards for a certain distance, the top of the L-shaped sliding block is fixedly connected with a locking mechanism which is used for locking a screw rod, the auxiliary screw rod is used for locking and positioning the position of a moving clamping jaw, when the L-shaped sliding block moves leftwards, the screw rod clamps bricks with different widths, when the T-shaped sliding block moves inwards for a short distance, the first link cannot completely drive the expansion plate to move to the rear position of the attached brick pile, at the moment, the L-shaped moving block moves leftwards to enable the guide column to act on the first connecting rod, so that the guide column is opened outwards continuously, the sliding column moves to the outermost side position, the expansion plate is driven to move to the position of the wall behind the laminated brick pile again, the brick stack is protected, after the lifting is finished, the first motor rotates reversely to enable the L-shaped sliding block to return and drive the guide column to return together, the T-shaped sliding block returns and drives the first connecting rod to return to the initial position without extruding the first connecting rod, the expansion plate returns to the initial state under the action of the first spring to finish the work, and the protection of the rear part of the brick stack is realized when the brick stack is clamped, and the left and right side walls of the brick pile are all acted when in clamping, after the clamping is finished, the rear protection mechanism can effectively fit the rear wall of the brick pile, the brick stack is protected, and the situation that when the hanging brick stack is lifted, the square brick stack is shaken in the movement, falls and is damaged to increase the production cost is avoided.
As a further scheme of the invention, the front ends of the two groups of first sliding rods are fixedly connected with oblique guide blocks, the surfaces of the two oblique guide blocks are respectively connected with a rectangular sliding groove block in a sliding manner, the two rectangular sliding groove blocks are respectively and fixedly connected to the fixed clamping jaw and the movable clamping jaw, the two oblique guide blocks are respectively matched with a U-shaped sliding block in a sliding manner, the U-shaped sliding block is matched with the rectangular sliding groove blocks in a sliding manner, and the inner sides of the rectangular baffles are fixedly connected with rectangular fixed plates, the outer side surfaces of the rectangular baffles are connected with four second sliding rods through a detachable mechanism, the outer sides of the two rectangular sliding groove blocks are fixedly connected with rectangular fixed plates, the rectangular fixed plate is connected with second slide bars in a sliding way, each second slide bar is sleeved with a second spring, the rear end of the second spring is fixedly connected to the detachable mechanism, and the outer end of each second sliding rod is fixedly connected with a nut; when the clamping fixture works, when a brick is stacked for clamping, a large acting force is required to be exerted on the brick at the lowest position of the clamping fixture, the phenomenon that clamping looseness occurs in the lifting process is prevented, so that the clamping jaw cannot well act on the side wall above the brick stack for clamping the side wall of the brick stack, when the telescopic plate moves forwards, the first sliding rod is driven to move forwards, the guide inclined block moves forwards together, the inclined surface of the guide inclined block slowly lowers, the action on the U-shaped sliding block is released, the second spring extrudes the detachable mechanism, the detachable mechanism is fixedly connected onto the rectangular baffle, the rectangular baffle moves inwards slowly, the left side and the right side of the brick stack are clamped stably, the left side wall and the right side wall of the brick stack are clamped stably, and the phenomenon that the brick stack shakes and falls during the lifting brick stack movement is reduced.
As a further scheme of the invention, the detachable mechanism comprises eight baffle rings, the baffle rings are fixedly connected with the inner end of the second spring, the baffle rings are fixedly connected on the inner end surface of the second sliding rod, the inner side of each baffle ring is fixedly connected with a threaded rod, two rectangular baffles are respectively provided with a threaded groove matched with the threaded rod, two rectangular sliding groove blocks are respectively provided with a detachable groove, and the detachable grooves are in sliding fit with the U-shaped sliding blocks; when the clamping device is in operation, when the left side wall and the right side wall of the rectangular baffle are clamped, the rectangular baffle can be worn and damaged in multiple contact with the brick due to long-term operation, the nut is rotated by an operator, the second slide rod is driven to rotate, the threaded rod is fixedly connected to the inner side of the second slide rod and is matched with the threaded groove in the rectangular baffle, the threaded rod is withdrawn from the threaded groove of the rectangular baffle and slides forwards, one end of the U-shaped slide block slides in the disassembling groove, the U-shaped slide block is separated from the guide oblique block, the rectangular baffle is disassembled and replaced, the second spring is in a compressed state, when the rectangular baffle is replaced, the stop ring blocks the rectangular baffle, the difficulty of popping out and replacing the rectangular baffle is prevented from being increased by the second spring, and the rectangular baffle is quickly replaced when the rectangular baffle is damaged after multiple actions of the rectangular baffle and the brick are stacked.
As a further scheme of the invention, the locking mechanism comprises a ratchet wheel, the ratchet wheel is fixedly connected to a screw rod, the top of a rectangular support plate is rotatably connected with a pawl, the top of the rectangular support plate is slidably connected with a third slide bar, the top of the third slide bar is fixedly connected with an inclined slide block, the inclined slide block is in contact with the bottom of the pawl, the third slide bar is sleeved with a third spring, one end of the third spring is fixedly connected to the bottom of the inclined slide block, the other end of the third spring is fixedly connected to the top of the rectangular support plate, the top of an L-shaped slide block is fixedly connected with a guide block, the front side of the lower part of the guide block is provided with an inclined plane in sliding fit with the top of the pawl, the guide block is in sliding connection with a support block, the top of the support block is fixedly connected with a U-shaped guide sliding sleeve, and the U-shaped guide sliding sleeve is in sliding fit with the guide block; when the clamping device works, after the clamping jaw is clamped by adopting a lead screw for transmission, the lead screw is stopped from being driven to rotate, the position of the movable clamping jaw can be locked by the lead screw, but in actual operation, the rotation of the lead screw is not locked, and under the action of external force, loosening can occur, misoperation can be caused, the locking state of the movable clamping jaw by the lead screw is influenced, after the movable clamping jaw is driven to the clamping position by the lead screw, the lead screw stops rotating, the first motor rotates to drive the L-shaped sliding block to move leftwards, the top of the L-shaped sliding block is fixedly connected with the guide block, so that the guide block is driven to move leftwards, the guide block extrudes the top of the pawl, the pawl moves downwards to hook the ratchet wheel, the lead screw is locked, the loosening caused by thread fit is prevented, the phenomenon of clamping tightness occurs, after the lifting is completed, the first motor rotates reversely, the guide block is withdrawn, and the pawl is lifted under the action of the third spring, the screw rod is not acted on the ratchet wheel, so that the screw rod is stably locked, and the screw rod is prevented from being loosened due to misoperation of external force, so that the screw rod is stably locked at the position of the movable clamping jaw, and the clamped brick is more stably stacked.
As a further scheme of the invention, the elastic support mechanism comprises an arc-shaped sliding block, the arc-shaped sliding block is fixedly connected to the top of the rectangular support plate, the arc-shaped sliding block is contacted with the sliding column, a fourth sliding rod is fixedly connected to the front side of the arc-shaped sliding block, the fourth sliding rod penetrates through the clip-shaped sliding groove and is in sliding connection with the clip-shaped sliding groove, a fourth spring is sleeved on the fourth sliding rod, one end of the fourth spring is fixedly connected to the arc-shaped sliding block, the other end of the fourth spring is fixedly connected to the clip-shaped sliding groove, and a circular ring is fixedly connected to the front end of the fourth sliding rod; the during operation, because the guide post is when first connecting rod of effect, the post that slides can lead to the inslot motion at the rectangle of first connecting rod, when the post that slides returns in returning back the shape spout, through when the guide post returns, do not being in effect first connecting rod, elastic support mechanism effect slip post, make the post that slides return the logical bottom of rectangle groove, make when T type slider is opened, fourth spring extrusion arc slider, thereby drive the post that slides and get back initial position, accomplish the course of work, realize the supplementary of slip post and return, and it makes the removal orbit of slip post more stable to the slip support of slip post to return the shape spout.
As a further scheme of the invention, the power mechanism comprises a second motor, the second motor is fixedly connected to the rectangular fixing plate, an output shaft of the second motor is fixedly connected with a second gear, the second gear is in transmission fit with a chain, the right end of the chain is in transmission fit with a third gear, and the third gear is fixedly connected to the right end of the screw rod; during operation, because the lead screw needs to rotate, and the lead screw rotates to be connected in the rectangle backup pad, has the second motor through fixed mounting at rectangle backup pad top, and the second motor starts, drives second gear revolve, and the second gear passes through the chain and drives third gear revolve, and third gear fixed connection is at the lead screw right-hand member to realize that the second motor drives the lead screw and carries out the pivoted effect.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the rear part of the brick pile is protected when the brick pile is clamped, and the left and right side walls of the brick pile are all acted with force when the brick pile is clamped, after clamping is finished, the movable clamping jaw is locked by the locking mechanism, so that clamping is more stable, the rear protection mechanism can effectively attach to the rear wall of the brick pile to protect the brick pile, and the situation that when the hanging brick pile is lifted, the upper brick pile is shaken, dropped and damaged in moving to increase the production cost is avoided.
2. According to the invention, the first slide bar is driven by the telescopic plate to move forwards, so that the guide inclined block moves forwards together, the U-shaped slide block is released, the second spring extrudes the detachable mechanism, and the detachable mechanism is fixedly connected to the rectangular baffle plate, so that the rectangular baffle plate moves inwards slowly, the left and right of the brick pile are stably clamped, the left and right side walls of the brick pile are stably clamped in an auxiliary manner while the brick pile is clamped, and the shaking of the brick pile in the brick pile lifting movement is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention (hiding the top U-shaped block and the lift plate);
FIG. 3 is a third perspective view of the present invention (with the top U-shaped block and riser block hidden);
FIG. 4 is a fourth perspective view of the present invention (hiding the top U-shaped block, lift plate and rectangular baffle);
FIG. 5 is a cross-sectional view of the moving jaw and rectangular support plate configuration of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5A in accordance with the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 5 at B in accordance with the present invention;
FIG. 8 is a fifth perspective view of the present invention (with the top U-shaped block and riser block hidden);
FIG. 9 is an enlarged view of the structure of FIG. 8 at C in accordance with the present invention;
fig. 10 is a cross-sectional view of a rectangular baffle structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a rectangular support plate 1, a U-shaped block 2, a lifting plate 3, a fixed clamping jaw 4, a movable clamping jaw 5, a T-shaped sliding block 6, a screw rod 7, a first connecting rod 8, a rectangular through groove 9, a sliding column 10, a clip-shaped sliding groove 11, an L-shaped connecting block 12, a guide column 13, an L-shaped sliding block 14, a rack 15, a first gear 16, a first motor 17, a U-shaped guide sleeve 18, a support block 19, a telescopic plate 20, a sliding groove block 21, a first sliding rod 22, a first spring 23, a guide oblique block 24, a rectangular sliding groove block 25, a U-shaped sliding block 26, a rectangular baffle 27, a second sliding rod 28, a rectangular fixed plate 29, a second spring 30, a nut 31, a baffle ring 32, a threaded rod 33, an L-shaped moving block 34, a disassembly groove 35, a ratchet 36, a pawl 37, an oblique sliding block 38, a third sliding rod 39, a third spring 40, a guide block 41, a U-shaped guide sliding groove 42, an arc-shaped sliding block 43, a fourth sliding rod 44, a fourth spring 45, a third spring, a fourth spring, a third spring, a fourth spring, a, A circular ring 46, a second motor 47, a second gear 48, a chain 49, a third gear 50 and a U-shaped plate 51.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a technical solution: a clamping device applied to a cantilever crane comprises a clamping mechanism and a protection mechanism, wherein the protection mechanism is arranged behind the clamping mechanism, the clamping mechanism comprises a rectangular supporting plate 1, the top of the rectangular supporting plate 1 is fixedly connected with two U-shaped blocks 2, the tops of the two U-shaped blocks 2 are fixedly connected with a lifting plate 3 together, one end of the lower part of the rectangular supporting plate 1 is fixedly connected with a fixed clamping jaw 4, the other end of the lower part of the rectangular supporting plate 1 is connected with a movable clamping jaw 5 in a sliding manner, the bottoms of the fixed clamping jaw 4 and the movable clamping jaw 5 are both inwards protruded, the top of the movable clamping jaw 5 is fixedly connected with a T-shaped sliding block 6, the middle part of the rectangular supporting plate 1 is provided with a supporting sliding chute in sliding fit with the T-shaped sliding block 6, the inner part of the rectangular supporting plate is rotatably connected with a lead screw 7, the lead screw 7 is rotatably matched with the T-shaped sliding block 6, the left end of the lead screw 7 is provided with a power mechanism, the top of the T-shaped sliding block 6 is rotatably connected with a first connecting rod 8, the right end of the first connecting rod 8 is provided with a rectangular through groove 9, a sliding column 10 is connected in the rectangular through groove 9 in a sliding manner, a rectangular supporting plate 1 is fixedly connected with a clip-shaped sliding groove 11 at the top, the clip-shaped sliding groove 11 is in sliding fit with the sliding column 10, an elastic supporting mechanism is arranged in the clip-shaped sliding groove 11 and is in sliding fit with the sliding column 10, an L-shaped connecting block 12 is fixedly connected at the top of the sliding column 10, the L-shaped connecting block 12 is fixedly connected with a protection mechanism, a guide column 13 is slidably connected at the left side of a first connecting rod 8, an L-shaped sliding block 14 is fixedly connected at the bottom of the guide column 13, a rack 15 is fixedly connected at the rear side of the transverse part of the L-shaped sliding block 14, a first gear 16 is rotatably connected at the top of the rectangular supporting plate 1, the first gear 16 is meshed with the rack 15, a first motor 17 is fixedly connected at the top of a fixed rotating shaft in the middle part of the first gear 16, a U-shaped guide sleeve 18 is fixedly connected at the top of the rectangular supporting plate 1, and is slidably connected with the L-shaped sliding block 14, a supporting block 19 is fixedly connected to the top of the rectangular supporting plate 1 close to the right, the supporting block 19 is in sliding connection with the L-shaped sliding block 14, and a locking mechanism for locking the screw rod 7 is connected between the surface of the screw rod 7 and the rectangular supporting plate 1;
the protection mechanism comprises an expansion plate 20, the rear sides of a fixed clamping jaw 4 and a movable clamping jaw 5 are fixedly connected with sliding groove blocks 21, the expansion plate 20 is connected with the two sliding groove blocks 21 in a sliding mode, the left side and the right side of the front side of the expansion plate 20 are fixedly connected with two groups of first sliding rods 22, the first sliding rods 22 penetrate through the fixed clamping jaw 4 and the movable clamping jaw 5 and are connected with the fixed clamping jaw 5 in a sliding mode, each first sliding rod 22 is sleeved with a first spring 23, one end of each first spring 23 is fixedly connected to the front side of the expansion plate 20, the other end of each first spring 23 is fixedly connected to the fixed clamping jaw 4 and the corresponding movable clamping jaw 5, the top of the fixed part of the expansion plate 20 is fixedly connected with an L-shaped movable block 34, the front end of the L-shaped movable block 34 is fixedly connected with an L-shaped connecting block 12, the top of a rectangular supporting plate 1 is fixedly connected with a U-shaped plate 51, and the U-shaped plate 51 is connected with the L-shaped movable block 34 in a sliding mode;
when the brick clamping device is used for clamping a brick pile for hoisting at present, the position of the brick pile is not protected, the brick pile shakes during the moving process of the clamping device, so that an upper building brick can fall from the clamping device, the building brick is damaged, the production cost is increased, the screw rod 7 is driven to rotate by the power mechanism, the screw rod 7 drives the T-shaped slider 6 to move inwards, the T-shaped slider 6 is fixedly connected with the movable clamping jaw 5, so as to drive the movable clamping jaw 5 to move inwards to clamp the piled brick pile, the movable clamping jaw 5 and the fixed clamping jaw 4 are both L-shaped, when the screw rod 7 drives the movable clamping jaw 5 to horizontally move to clamp the brick pile, the bottom of the movable clamping jaw 5 firstly clamps the brick pile, the brick pile is clamped more firmly, the rear part of the movable clamping jaw 5 is provided with the expansion plate 20, the expansion plate 20 is at a certain distance away from the brick pile so as to drive the expansion plate 20 to expand, and the T-shaped slider 6 pushes the first connecting rod 8 when moving inwards, the first connecting rod 8 drives the sliding column 10 to move in the clip-shaped sliding groove 11, the top of the sliding column 10 is fixedly connected with an L-shaped connecting block 12, the L-shaped connecting block 12 drives the expansion plate 20 to move forward through an L-shaped moving block 34, the expansion plate 20 fits with the rear wall of a brick pile to protect the brick pile, when the T-shaped sliding block 6 moves to the innermost side and the expansion amount of the expansion plate 20 is maximum, the expansion plate 20 just moves to the rearmost part of the brick pile, the first motor 17 is started to drive the first gear 16 to rotate, the first gear 16 engages with the rack 15, the rack 15 is fixedly connected to the L-shaped sliding block 14, so that the L-shaped sliding block 14 moves a distance to the left, the top of the L-shaped sliding block 14 is fixedly connected with a locking mechanism, the locking mechanism is driven to lock the screw rod 7, the auxiliary screw rod 7 locks and positions the movable clamping jaw 5, when the L-shaped sliding block 14 moves to the left, the screw rod 7 clamps bricks with different widths, when the T-shaped slider 6 moves inward for a short distance, the first link 8 cannot completely drive the expansion plate 20 to move to the rear position of the attached brick pile, at this time, the L-shaped moving block 34 moves leftward to enable the guide post 13 to act on the first link 8 and continue to open outward, so that the sliding post 10 moves to the outermost position, so as to drive the expansion plate 20 to move to the rear wall position of the attached brick pile again to protect the brick pile, after the lifting is completed, the first motor 17 rotates reversely to enable the L-shaped slider 14 to return and drive the guide post 13 to return together, instead of extruding the first link 8, the T-shaped slider 6 returns to drive the first link 8 to return to the initial position, the expansion plate 20 returns to the initial state under the action of the first spring 23 to complete the work, so that the protection for the rear part of the brick pile is realized, and the left and right side walls of the brick pile are both acted during the clamping, after the clamping is completed, the rear protection mechanism at the rear part can effectively attach the rear wall of the brick pile, the brick stack is protected, and the situation that when the hanging brick stack is lifted, the square brick stack is shaken in the movement, falls and is damaged to increase the production cost is avoided.
As a further proposal of the invention, the front ends of the two groups of first slide bars 22 are fixedly connected with inclined guide blocks 24, the surfaces of the two inclined guide blocks 24 are respectively connected with a rectangular chute block 25 in a sliding way, the two rectangular chute blocks 25 are respectively and fixedly connected with the fixed clamping jaw 4 and the movable clamping jaw 5, the two inclined guide blocks 24 are respectively matched with a U-shaped slide block 26 in a sliding way, the U-shaped slide block 26 is matched with the rectangular chute blocks 25 in a sliding way, the inner sides of the two rectangular sliding groove blocks are fixedly connected with rectangular baffles 27, the outer side faces of the rectangular baffles 27 are connected with four second sliding rods 28 through a detachable mechanism, the outer sides of the two rectangular sliding groove blocks 25 are fixedly connected with rectangular fixing plates 29, the rectangular fixing plates 29 are slidably connected with the second sliding rods 28, each second sliding rod 28 is sleeved with a second spring 30, the rear end of each second spring 30 is fixedly connected to the detachable mechanism, and the outer end of each second sliding rod 28 is fixedly connected with a nut 31; when the clamping device works, when a brick pile is clamped, a large acting force needs to be exerted on the brick pile at the lowest part of the clamping device, the phenomenon of clamping looseness in the lifting process is prevented, so that the clamping jaw cannot act on the side wall above the brick pile well to clamp the side wall of the brick pile well, when the expansion plate 20 moves forwards, the first sliding rod 22 is driven to move forwards, the guide inclined block 24 moves forwards together, the inclined surface of the guide inclined block slowly lowers, the action on the U-shaped sliding block 26 is released, the second spring 30 extrudes the detachable mechanism which is fixedly connected to the rectangular baffle 27, so that the rectangular baffle 27 moves inwards slowly, the left side and the right side of the brick pile are clamped stably, the left side wall and the right side wall of the brick pile are clamped stably in an auxiliary mode, the phenomenon that the brick pile shakes during the lifting movement of the brick pile and falls from the left side wall and the right side wall is reduced.
As a further scheme of the invention, the detachable mechanism comprises eight baffle rings 32, the baffle rings 32 are fixedly connected with the inner end of the second spring 30, the baffle rings 32 are fixedly connected on the inner end surface of the second slide bar 28, the inner side of each baffle ring 32 is fixedly connected with a threaded rod 33, two rectangular baffles 27 are respectively provided with a threaded groove matched with the threaded rod 33, two rectangular sliding groove blocks 25 are respectively provided with a detaching groove 35, and the detaching grooves 35 are in sliding fit with the U-shaped sliding blocks 26; in operation, as the rectangular baffle 27 clamps the left and right side walls of the brick pile, the rectangular baffle 27 is worn and damaged in multiple contact with the brick pile after long-term operation, an operator rotates the screw cap 31 to drive the second slide bar 28 to rotate, the inner side of the second slide bar 28 is fixedly connected with a threaded rod 33, the threaded rod 33 is matched with a threaded groove in the rectangular baffle 27, thereby withdrawing the threaded rod 33 from the threaded groove of the rectangular baffle 27, sliding the rectangular baffle 27 forward, sliding the U-shaped sliding block 26 for a distance in the detaching groove 35, separating from the action of the guide sloping block, detaching and replacing the rectangular baffle 27, keeping the second spring 30 in a compressed state, when the rectangular baffle 27 is replaced, the baffle ring 32 blocks the rectangular baffle 27, the second spring 30 is prevented from popping out, the difficulty of replacing the rectangular baffle 27 is increased, and the rectangular baffle 27 can be replaced quickly when the rectangular baffle 27 is damaged after the rectangular baffle 27 is piled with bricks for multiple times.
As a further scheme of the invention, the locking mechanism comprises a ratchet wheel 36, the ratchet wheel 36 is fixedly connected to the screw rod 7, the top of the rectangular support plate 1 is rotatably connected with a pawl 37, the top of the rectangular support plate 1 is slidably connected with a third slide bar 39, the top of the third slide bar 39 is fixedly connected with an inclined slide block 38, the inclined slide block 38 is contacted with the bottom of the pawl 37, the third slide bar 39 is sleeved with a third spring 40, one end of the third spring 40 is fixedly connected to the bottom of the inclined slide block 38, the other end of the third spring is fixedly connected to the top of the rectangular support plate 1, the top of the L-shaped slide block 14 is fixedly connected with a guide block 41, the front side of the lower part of the guide block 41 is provided with an inclined plane in sliding fit with the top of the pawl 37, the guide block 41 is slidably connected with the support block 19, the top of the support block 19 is fixedly connected with a U-shaped guide sliding sleeve 42, and the U-shaped guide sliding sleeve 42 is in sliding fit with the guide block 41; when the clamping device works, when the movable clamping jaw 5 is clamped by the screw rod 7, the screw rod 7 is stopped to drive the movable clamping jaw 5 to rotate, but in actual operation, if the rotation of the screw rod 7 is not locked, under the action of external force, loosening can occur, misoperation can be caused, the locking state of the screw rod 7 on the movable clamping jaw 5 is influenced, after the movable clamping jaw 5 is driven to the clamping position by the screw rod 7, the screw rod 7 stops rotating, the first motor 17 rotates to drive the L-shaped sliding block 14 to move leftwards, the top of the L-shaped sliding block 14 is fixedly connected with the guide block 41, so that the guide block 41 is driven to move leftwards, the guide block 41 extrudes the top of the pawl 37, the pawl 37 moves downwards to hook the ratchet wheel 36, the screw rod 7 is locked, the phenomenon of thread fit loosening is prevented, clamping is not tight, after the lifting is finished, the first motor 17 rotates reversely, the guide block 41 is withdrawn, the pawl 37 is lifted under the action of the third spring 40 and does not act on the ratchet wheel 36, so that the lead screw 7 is stably locked, the lead screw 7 is prevented from loosening due to misoperation of external force, the lead screw 7 is ensured to be stably locked at the position of the movable clamping jaw 5, and the clamped brick is more stably stacked.
As a further scheme of the invention, the elastic supporting mechanism comprises an arc-shaped sliding block 43, the arc-shaped sliding block 43 is fixedly connected to the top of the rectangular supporting plate 1, the arc-shaped sliding block 43 is contacted with the sliding column 10, the front side of the arc-shaped sliding block 43 is fixedly connected with a fourth sliding rod 44, the fourth sliding rod 44 penetrates through the clip-shaped sliding chute 11 and is in sliding connection with the clip-shaped sliding chute, a fourth spring 45 is sleeved on the fourth sliding rod 44, one end of the fourth spring 45 is fixedly connected to the arc-shaped sliding block 43, the other end of the fourth spring is fixedly connected to the clip-shaped sliding chute 11, and the front end of the fourth sliding rod 44 is fixedly connected with a circular ring 46; during operation, because guide post 13 is when first connecting rod 8 of effect, slip post 10 can move in the logical groove 9 of rectangle of first connecting rod 8, when slip post 10 returns in returning back shape spout 11, through when guide post 13 returns, do not being in effect first connecting rod 8, elastic support mechanism effect slip post 10, make slip post 10 return to the logical groove 9 bottom of rectangle, make when T type slider 6 is opened, fourth spring 45 extrudes arc slider 43, thereby drive slip post 10 and return to initial position, accomplish the course of work, realize the supplementary of slip post 10 and return, and it makes the removal orbit of slip post 10 more stable to return the slip support of shape spout 11 to slip post 10.
As a further scheme of the invention, the power mechanism comprises a second motor 47, the second motor 47 is fixedly connected to the rectangular fixing plate 29, an output shaft of the second motor 47 is fixedly connected with a second gear 48, the second gear 48 is in transmission fit with a chain 49, a third gear 50 is in transmission fit with the right end of the chain 49, and the third gear 50 is fixedly connected to the right end of the screw rod 7; during operation, because the lead screw 7 needs to rotate, and the lead screw 7 rotates to be connected in the rectangular supporting plate 1, through having the second motor 47 at the fixed mounting in rectangular supporting plate 1 top, the second motor 47 starts, drives the rotation of second gear 48, and second gear 48 drives the rotation of third gear 50 through chain 49, and third gear 50 fixed connection is at the lead screw 7 right-hand member to realize that the second motor 47 drives lead screw 7 and carries out the pivoted effect.
The working principle is as follows: the power mechanism drives the screw rod 7 to rotate, the screw rod 7 drives the T-shaped sliding block 6 to move inwards, the T-shaped sliding block 6 is fixedly connected with the movable clamping jaw 5, so as to drive the movable clamping jaw 5 to move inwards to clamp a stacked brick stack, the movable clamping jaw 5 and the fixed clamping jaw 4 are both L-shaped, when the screw rod 7 drives the movable clamping jaw 5 to horizontally move to clamp the brick stack, the bottom of the screw rod firstly clamps the brick stack, the clamping is firmer, the rear part of the movable clamping jaw 5 is provided with the expansion plate 20, the expansion plate 20 is at a certain distance from the brick stack, so as to drive the expansion plate 20 to expand and contract, when the T-shaped sliding block 5 moves inwards, the first connecting rod 8 pushes the first connecting rod 8, the first connecting rod 8 drives the sliding column 10 to move in the return-shaped sliding chute 11, the top of the sliding column 10 is fixedly connected with the L-shaped connecting block 12, the L-shaped connecting block 12 drives the expansion plate 20 to move forwards through the L-shaped moving block 34 to be attached to the back wall of the brick stack, when the T-shaped sliding block 6 moves to the innermost side and the expansion amount of the expansion plate 20 is the largest, the expansion plate 20 just moves to the rearmost part of the brick pile, the first motor 17 is started to drive the first gear 16 to rotate, the first gear 16 is meshed with the rack 15, the rack 15 is fixedly connected to the L-shaped sliding block 14, so that the L-shaped sliding block 14 moves a certain distance to the left, the top of the L-shaped sliding block 14 is fixedly connected with a locking mechanism, when the L-shaped sliding block 14 moves to the left, the locking mechanism is driven to lock the lead screw 7, because bricks with different widths need to be clamped, when the T-shaped sliding block 6 moves to the inner side, the first connecting rod 8 cannot completely drive the expansion plate 20 to move to the rear part of the fitted brick pile, at the moment, the guide column 13 acts on the first connecting rod 8 through the leftward movement of the L-shaped moving block 34, so that the guide column 8 is continuously opened outwards, and the sliding column 10 moves to the outermost side, therefore, the expansion plate 20 is driven to move to the position of the rear wall of the attached brick pile again to protect the brick pile, after the lifting is completed, the first motor 17 rotates reversely, the L-shaped sliding block 14 retracts to drive the guide column 13 to retract together, the T-shaped sliding block 6 retracts to drive the first connecting rod 8 to return to the initial position without extruding the first connecting rod 8, and the expansion plate 20 retracts to the initial state under the action of the first spring 23 to complete the work.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a be applied to cantilever crane's clamping device, includes fixture and protection machanism, its characterized in that: the protection mechanism is arranged at the rear of the clamping mechanism, the clamping mechanism comprises a rectangular supporting plate (1), the top of the rectangular supporting plate (1) is fixedly connected with two U-shaped blocks (2), two U-shaped blocks (2) are fixedly connected with a lifting plate (3) together, one end of the lower part of the rectangular supporting plate (1) is fixedly connected with a fixed clamping jaw (4), the other end of the rectangular supporting plate is connected with a movable clamping jaw (5) in a sliding manner, the bottoms of the fixed clamping jaw (4) and the movable clamping jaw (5) are both inwards protruded, the top of the movable clamping jaw (5) is fixedly connected with a T-shaped sliding block (6), the middle part of the rectangular supporting plate (1) is provided with a supporting sliding chute in sliding fit with the T-shaped sliding block (6), the inner part of the rectangular supporting plate is rotationally connected with a lead screw (7), the lead screw (7) is rotationally matched with the T-shaped sliding block (6), and the left end of the lead screw (7) is provided with a power mechanism, the top of the T-shaped sliding block (6) is rotatably connected with a first connecting rod (8), the right end of the first connecting rod (8) is provided with a rectangular through groove (9), the rectangular through groove (9) is internally connected with a sliding column (10) in a sliding manner, the top of the rectangular supporting plate (1) is fixedly connected with a clip-shaped sliding groove (11), the clip-shaped sliding groove (11) is in sliding fit with the sliding column (10), an elastic supporting mechanism is arranged inside the clip-shaped sliding groove (11), the elastic supporting mechanism is in sliding fit with the sliding column (10), the top of the sliding column (10) is fixedly connected with an L-shaped connecting block (12), the L-shaped connecting block (12) is fixedly connected with a protection mechanism, the left side of the first connecting rod (8) is connected with a guide column (13) in a sliding manner, the bottom of the guide column (13) is fixedly connected with an L-shaped sliding block (14), and the rear side of the transverse part of the L-shaped sliding block (14) is fixedly connected with a rack (15), the top of the rectangular support plate (1) is rotatably connected with a first gear (16), the first gear (16) is meshed with a rack (15), the top end of a fixed rotating shaft in the middle of the first gear (16) is fixedly connected with a first motor (17), the top of the rectangular support plate (1) is fixedly connected with a U-shaped guide sleeve (18), the U-shaped guide sleeve (18) is slidably connected with an L-shaped sliding block (14), the right position of the top of the rectangular support plate (1) is fixedly connected with a support block (19), the support block (19) is slidably connected with the L-shaped sliding block (14), and a locking mechanism for locking the lead screw (7) is connected between the surface of the lead screw (7) and the rectangular support plate (1);
the protection mechanism comprises an expansion plate (20), the rear sides of the fixed clamping jaw (4) and the movable clamping jaw (5) are fixedly connected with sliding groove blocks (21), the expansion plate (20) is in sliding connection with the two sliding groove blocks (21), the left side and the right side of the front side of the expansion plate (20) are fixedly connected with two groups of first sliding rods (22), the first sliding rods (22) penetrate through the fixed clamping jaw (4) and the movable clamping jaw (5) and are in sliding connection with the fixed clamping jaw (4) and the movable clamping jaw (5), each first sliding rod (22) is sleeved with a first spring (23), one end of each first spring (23) is fixedly connected to the front side of the expansion plate (20), the other end of each first spring is fixedly connected to the fixed clamping jaw (4) and the movable clamping jaw (5), the top of the fixed part of the expansion plate (20) is fixedly connected with an L-shaped movable block (34), and the front end of the L-shaped movable block (34) is fixedly connected with an L-shaped connecting block (12), the top of the rectangular supporting plate (1) is fixedly connected with a U-shaped plate (51), and the U-shaped plate (51) is connected with an L-shaped moving block (34) in a sliding mode.
2. The clamping device applied to the cantilever crane according to claim 1, wherein: the front ends of the two groups of first sliding rods (22) are fixedly connected with oblique guide blocks (24), the surfaces of the two oblique guide blocks (24) are respectively and slidably connected with rectangular sliding groove blocks (25), the two rectangular sliding groove blocks (25) are respectively and fixedly connected to the fixed clamping jaw (4) and the movable clamping jaw (5), the two oblique guide blocks (24) are respectively and slidably matched with U-shaped sliding blocks (26), the U-shaped sliding blocks (26) are slidably matched with the rectangular sliding groove blocks (25), the inner sides of the U-shaped sliding blocks are respectively and fixedly connected with rectangular baffles (27), the outer side faces of the rectangular baffles (27) are connected with four second sliding rods (28) through detachable mechanisms, the outer sides of the two rectangular sliding groove blocks (25) are respectively and fixedly connected with rectangular fixing plates (29), the rectangular fixing plates (29) are slidably connected with the second sliding rods (28), and each second sliding rod (28) is sleeved with a second spring (30), the rear end of the second spring (30) is fixedly connected to the detachable mechanism, and the outer end of each second sliding rod (28) is fixedly connected with a nut (31).
3. The clamping device applied to the cantilever crane according to claim 2, wherein: dismantled and assembled mechanism includes eight fender ring (32), keep off ring (32) all with second spring (30) inner fixed connection, keep off the equal fixed connection of ring (32) on terminal surface in second slide bar (28), every keep off the equal fixedly connected with threaded rod (33) of ring (32) inboard, two rectangular baffle (27) all seted up with threaded rod (33) complex thread groove, two dismantle groove (35) have all been seted up in rectangular sliding groove piece (25), dismantle groove (35) and U type sliding block (26) sliding fit.
4. The clamping device applied to the cantilever crane according to claim 1, wherein: the locking mechanism comprises a ratchet wheel (36), the ratchet wheel (36) is fixedly connected onto a screw rod (7), the top of a rectangular support plate (1) is rotatably connected with a pawl (37), the top of the rectangular support plate (1) is slidably connected with a third slide rod (39), the top of the third slide rod (39) is fixedly connected with an inclined slide block (38), the inclined slide block (38) is in contact with the bottom of the pawl (37), a third spring (40) is sleeved on the third slide rod (39), one end of the third spring (40) is fixedly connected to the bottom of the inclined slide block (38), the other end of the third spring is fixedly connected to the top of the rectangular support plate (1), a guide block (41) is fixedly connected to the top of the L-shaped slide block (14), an inclined plane in sliding fit with the top of the pawl (37) is arranged on the front side of the lower portion of the guide block (41), and the guide block (41) is slidably connected with a support block (19), the top of the supporting block (19) is fixedly connected with a U-shaped guide sliding sleeve (42), and the U-shaped guide sliding sleeve (42) is in sliding fit with the guide block (41).
5. The clamping device applied to the cantilever crane according to claim 1, wherein: elastic support mechanism includes arc slider (43), arc slider (43) fixed connection is at the top of rectangle backup pad (1), arc slider (43) contacts with slip post (10), arc slider (43) front side fixedly connected with fourth slide bar (44), fourth slide bar (44) run through back shape spout (11) and sliding connection thereof, the cover is equipped with fourth spring (45) on fourth slide bar (44), fourth spring (45) one end fixed connection is on arc slider (43), and other end fixed connection is on returning shape spout (11), fourth slide bar (44) front end fixedly connected with ring (46).
6. The clamping device applied to the cantilever crane according to claim 1, wherein: the power mechanism comprises a second motor (47), the second motor (47) is fixedly connected to the rectangular fixing plate (29), a second gear (48) is fixedly connected to an output shaft of the second motor (47), a chain (49) is matched with the second gear (48) in a transmission mode, a third gear (50) is matched with the right end of the chain (49) in a transmission mode, and the third gear (50) is fixedly connected to the right end of the screw rod (7).
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| CN202010696756.XA CN111807218B (en) | 2020-07-20 | 2020-07-20 | Clamping device applied to cantilever crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010696756.XA CN111807218B (en) | 2020-07-20 | 2020-07-20 | Clamping device applied to cantilever crane |
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| CN111807218B true CN111807218B (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034971A (en) * | 1975-10-02 | 1977-07-12 | Eagle Clamp Co., Ltd. | Clamp usable as jig and lifting clamp |
| CN105480726A (en) * | 2016-01-29 | 2016-04-13 | 广西亿品投资有限公司 | Brick stacker system |
| CN107555321A (en) * | 2016-01-18 | 2018-01-09 | 吴小再 | Shaped steel clamps handling device automatically |
| CN208265302U (en) * | 2018-06-06 | 2018-12-21 | 胡财水 | It is a kind of convenient for the firm building machinery used |
| CN110328684A (en) * | 2019-08-15 | 2019-10-15 | 湄洲湾职业技术学院 | A kind of mechanical gripper mechanism with stabilization function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190144245A1 (en) * | 2017-11-13 | 2019-05-16 | James Edmund Corbett | Slab Lifting Clamp |
-
2020
- 2020-07-20 CN CN202010696756.XA patent/CN111807218B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034971A (en) * | 1975-10-02 | 1977-07-12 | Eagle Clamp Co., Ltd. | Clamp usable as jig and lifting clamp |
| CN107555321A (en) * | 2016-01-18 | 2018-01-09 | 吴小再 | Shaped steel clamps handling device automatically |
| CN105480726A (en) * | 2016-01-29 | 2016-04-13 | 广西亿品投资有限公司 | Brick stacker system |
| CN208265302U (en) * | 2018-06-06 | 2018-12-21 | 胡财水 | It is a kind of convenient for the firm building machinery used |
| CN110328684A (en) * | 2019-08-15 | 2019-10-15 | 湄洲湾职业技术学院 | A kind of mechanical gripper mechanism with stabilization function |
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| CN111807218A (en) | 2020-10-23 |
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Denomination of invention: A clamping device applied to cantilever cranes Effective date of registration: 20230323 Granted publication date: 20220225 Pledgee: Feidong SME financing Company limited by guarantee Pledgor: HEFEI SHENDIAO HOISTING MACHINERY Co.,Ltd. Registration number: Y2023980035876 |
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Granted publication date: 20220225 Pledgee: Feidong SME financing Company limited by guarantee Pledgor: HEFEI SHENDIAO HOISTING MACHINERY Co.,Ltd. Registration number: Y2023980035876 |