CN111056468A - Lifting device for dip-coating of workpiece - Google Patents
Lifting device for dip-coating of workpiece Download PDFInfo
- Publication number
- CN111056468A CN111056468A CN201911407706.9A CN201911407706A CN111056468A CN 111056468 A CN111056468 A CN 111056468A CN 201911407706 A CN201911407706 A CN 201911407706A CN 111056468 A CN111056468 A CN 111056468A
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- Prior art keywords
- workpiece
- rope
- traction
- traction rope
- dip
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/26—Rope, cable, or chain winding mechanisms; Capstans having several drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
Abstract
The invention relates to a lifting device for dip-coating a workpiece, and belongs to the technical field of workpiece dip-coating. The lifting device for dip-coating the workpiece is a steel wire rope traction mechanism and comprises an upper traction rope and a lower traction rope, wherein the upper traction rope is in traction connection with the workpiece in the vertical direction and is used for applying upward traction force to the workpiece; the lower traction rope is connected with the workpiece in a traction manner in the up-down direction and used for applying downward traction force to the workpiece, the lower traction rope further comprises a winding drum driving structure used for driving the workpiece to ascend and descend through the upper traction rope and the lower traction rope, and the upper traction rope and the lower traction rope are in a tensioning state in the process of traction of the workpiece to ascend and descend by the steel wire rope traction mechanism. When the lifting device for dip-coating the workpiece lifts the workpiece, the workpiece is not easy to swing, the safety of the workpiece in the lifting or descending process is improved, the steel wire rope can be bent, and a designer can conveniently design a reversing structure to change the force transmission direction so as to adjust the structural layout of the whole lifting device.
Description
Technical Field
The invention belongs to the technical field of workpiece dip-coating, and particularly relates to a lifting device for workpiece dip-coating.
Background
In the production and manufacturing process of the bridge crane, the outer surface of the main beam needs to be painted to form protection, so that the safety performance is improved, and the service life is prolonged. The traditional painting mode adopts manual painting, and a worker holds a spray gun to perform painting operation, so that the painting mode is low in cost, low in requirement on places and wide in application. However, this kind of waterproof of spraying paint is the open-air work mostly, and inevitable can cause air pollution during the spraying paint, is not conform to the environmental protection requirement, moreover, because workman's ability is uneven, can't guarantee the film thickness uniformity, is difficult to realize the quality management and control.
In order to solve the problems, a dip-coating device applied to the crane box girder is developed, and when the dip-coating device is used, the box girder is placed into a coating tank for dip-coating, so that the surface painting treatment is completed. In the prior art, a long workpiece is immersed in a tank for dip coating, for example, a structure disclosed in U.S. patent No. US8137758B2, and a workpiece to be dip coated is placed in a corresponding tank by a single-point suspension method, so as to realize dip coating operation. The hanging mode has problems in use, and because the hoisting point of the dip-coating device is only positioned on the upper surface of the box girder, the box girder has poor stability and is easy to swing when being acted by horizontal force in the hoisting box girder lifting process, thereby causing safety accidents.
Disclosure of Invention
The invention aims to provide a lifting device for dip-coating a workpiece, which aims to solve the technical problems that in the prior art, the stability is poor and the swinging is easy to occur in the lifting process of a lifting workpiece.
In order to achieve the purpose, the technical scheme of the lifting device for dip-coating the workpiece provided by the invention is as follows:
the utility model provides a work piece is elevating gear for dip-coating, the work piece is elevating gear for dip-coating for wire rope drive mechanism, wire rope drive mechanism includes:
the upper traction rope is in traction connection with the workpiece in the vertical direction and is used for applying upward traction force to the workpiece;
the lower traction rope is in traction connection with the workpiece in the vertical direction and is used for applying downward traction force to the workpiece;
the winding drum driving structure is in transmission connection with the upper traction rope and the lower traction rope and is used for driving the workpiece to lift up and down through the upper traction rope and the lower traction rope;
and in the process of dragging the workpiece to lift by the steel wire rope traction mechanism, the upper traction rope and the lower traction rope are in a tensioning state.
The invention has the technical effects that: according to the lifting device for dip-coating the workpiece, the upper traction rope and the lower traction rope are in traction connection with the workpiece in the vertical direction, and the upper traction rope and the lower traction rope are in a tensioning state no matter whether the workpiece is lifted or lowered, so that the workpiece can be positioned by traction through the upper traction rope and the lower traction rope, the workpiece is good in stability in the vertical direction and is not easy to swing, the safety of the workpiece in the lifting or lowering process is improved, the steel wire rope can be bent, and a designer can conveniently design a reversing structure to change the force transmission direction so as to adjust the structural layout of the whole lifting device.
Further, the spool driving structure includes a driving spool on which the upper traction rope and the lower traction rope are wound together.
The beneficial effects are that: the upper traction rope and the lower traction rope are wound on the driving winding drum together, and the arrangement mode is convenient for synchronous control of the upper traction rope and the lower traction rope, so that the upper traction rope and the lower traction rope are in a tensioning state at the same time.
Furthermore, the winding drum driving structure comprises two split winding drums which are arranged in a split mode and fixedly assembled together, and the upper traction ropes and the lower traction ropes are wound on the two split winding drums in a one-to-one correspondence mode.
The beneficial effects are that: the upper traction rope and the lower traction rope are wound on the two split winding drums in a one-to-one correspondence mode, the upper traction rope and the lower traction rope are conveniently controlled synchronously in the arrangement mode, and the upper traction rope and the lower traction rope are in a tensioning state at the same time.
Furthermore, the steel wire rope traction mechanism further comprises a support frame, the support frame is used for being installed on a corresponding fixed foundation, and the winding drum driving structure is installed on the support frame; the steel wire rope traction mechanism is characterized in that an upper reversing piece is arranged on the support frame, the steel wire rope traction mechanism further comprises a lower reversing piece, the lower reversing piece is located below the upper reversing piece, the upper traction rope and the lower traction rope are led out from the drum driving structure, the upper traction rope and the lower traction rope are wound through the corresponding upper reversing piece to extend downwards, and the lower traction rope extending downwards bypasses the lower reversing piece to extend upwards.
The beneficial effects are that: the support frame can provide the mounted position for reel drive structure, conveniently arranges whole elevating gear's structure, sets up the extending direction that the switching-over piece can change the haulage rope comparatively conveniently to can arrange the position of reel drive structure in a flexible way, in order to realize going up haulage rope and haulage rope down to the pulling operation of work piece.
Further, the upper reversing piece is arranged at the top of the supporting frame.
The beneficial effects are that: the reversing piece is arranged at the top of the supporting frame, so that the reversing piece can be conveniently supported.
Further, the force application direction of the upper traction rope and the force application direction of the lower traction rope are located on the same straight line.
The beneficial effects are that: the force application direction of the upper traction rope and the force application direction of the lower traction rope are positioned on the same straight line, so that the workpiece can be prevented from being overturned when being pulled, and the process of pulling the workpiece is more stable.
Furthermore, the upper reversing piece and the lower reversing piece are both reversing pulleys.
The beneficial effects are that: the reversing pulley can roll, and the upper traction rope and the lower traction rope can move on the reversing pulley in a labor-saving manner.
Furthermore, two upper reversing pieces corresponding to the traction ropes are arranged at intervals along the corresponding traction ropes, namely a first upper reversing piece and a second upper reversing piece, the included angle of the rope sections of the traction ropes, which are positioned on two sides of the corresponding first upper reversing piece, is an obtuse angle or a right angle, and the included angle of the rope sections of the traction ropes, which are positioned on two sides of the corresponding second upper reversing piece, is an obtuse angle or a right angle.
The beneficial effects are that: the included angle of the steel wire ropes at the front end and the rear end on the upper reversing piece is set to be a right angle or an obtuse angle, so that the resultant force on the upper reversing piece can be reduced, the abrasion on the upper reversing piece is reduced, and the service life of the upper reversing piece is prolonged.
Drawings
Fig. 1 is a schematic structural view of an embodiment 1 of a lifting device for dip coating a workpiece according to the present invention;
FIG. 2 is a schematic structural diagram of the lifting device for dip-coating the workpiece in FIG. 1;
FIG. 3 is a partial schematic view at A of FIG. 2;
FIG. 4 is a schematic structural diagram of the workpiece mounting rack in FIG. 3 fixing a workpiece to be dip-coated;
fig. 5 is a partial enlarged view at B in fig. 4;
FIG. 6 is a schematic view of the workpiece mount of FIG. 5 without the strapping lines;
FIG. 7 is a front view of the structure of FIG. 6;
FIG. 8 is a left side view of the structure of FIG. 6;
FIG. 9 is a top view of the structure of FIG. 6;
description of reference numerals: 1-a steel wire rope traction mechanism; 2-a support frame; 3-installing a traction rope; 4-lower hauling rope; 5-a reel drive mechanism; 21-a base; 22-a scaffold; 51-a drive drum; 6-upper reversing pulley; 61-a first upper diverting pulley; 62-a second upper diverting pulley; 7-lower reversing pulley; 8-a workpiece; 9-a coating tank; 10-steel wire rope sleeve; 11-a workpiece mounting frame; 12-a frame body; 13-a lifting connection structure; 14-binding the steel wire rope; 15-fixing the upright post at the end part; 151-fixing pin holes; 152-a fixed pin; 16-a reversing upright post; 161-mounting holes; 162-a reversing shaft; 163-wire rope tensioning device; 17-fixed stop pin; 171-fixed socket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
The present invention will be described in further detail with reference to examples.
Specific example 1 of the lifting device for dip coating a workpiece of the present invention:
as shown in fig. 1, the lifting device for dip coating a workpiece of the invention is a steel wire rope traction mechanism 1, and the steel wire rope traction mechanism comprises a support frame 2, an upper traction rope 3, a lower traction rope 4 and a winding drum driving structure 5. The upper traction rope 3 is connected with the workpiece in a traction manner in the vertical direction and is used for applying upward traction force to the workpiece; the lower traction rope 4 is connected with the workpiece in a traction manner in the vertical direction and is used for applying downward traction force to the workpiece. It should be noted that "traction connection with the workpiece in the up-down direction" in the present invention may be direct traction connection between the upper traction rope 3 and the lower traction rope 4 and the workpiece, or may be indirect traction connection between the upper traction rope 3 and the lower traction rope 4, which are connected to the workpiece mounting bracket 11, and the workpiece, which is fixed to the workpiece mounting bracket 11.
The support frame 2 comprises a base 21 and a support 22, the support 22 comprises four upright posts which are equal in length and are vertically arranged, the four upright posts are enclosed into a quadrangular frame body, four cross rods which are connected end to end and are enclosed into a rectangle are arranged on the upper end surfaces of the four upright posts, the four cross rods connect the upper end surfaces of the four upright posts to form the top of the support frame 2, and two side posts which are obliquely arranged and are parallel to each other are further connected to the outer peripheral surfaces of the two upright posts.
The winding drum driving structure 5 comprises a driving winding drum 51 and a motor for driving the driving winding drum to rotate, the winding drum driving structure 5 is horizontally arranged on the outer peripheral surfaces of the two inclined columns, and the axis of the driving winding drum 5 is parallel to the two cross rods.
Two upper reversing pulleys 6 are arranged on each cross rod parallel to the axis of the driving drum 51 at the top of the support frame 2, the rotating axes of the upper reversing pulleys 6 are parallel to the axis of the driving drum 51, the two upper reversing pulleys 6 close to the drum driving structure 5 are named as first upper reversing pulleys 61, the two reversing pulleys far away from the drum driving structure are named as second upper reversing pulleys 62, and the two upper reversing pulleys 6 in each pulley set are respectively used for the upper traction rope 3 and the lower traction rope 4 to pass through so as to change the extending directions of the upper traction rope and the lower traction rope. The lower reversing pulley 7 is arranged on one side of the support frame 2 where the second upper reversing pulley 62 is arranged, the lower reversing pulley 7 is arranged on the bottom of a coating groove 9 for dip-coating a workpiece 8, and the lower reversing pulley 7 is positioned below the upper reversing pulley 6 in the second upper reversing pulley 62 through which the lower traction rope 4 passes, so that the force application direction of the upper traction rope 3 and the force application direction of the lower traction rope 4 are ensured to be positioned on the same straight line when in use.
The upper traction rope 3 and the lower traction rope 4 are wound on the same driving reel 51, the winding directions of the upper traction rope 3 and the lower traction rope 4 are opposite, one of the upper traction rope and the lower traction rope is wound on the driving reel 51 along the clockwise direction, and the other one of the upper traction rope and the lower traction rope is wound on the driving reel 51 along the counterclockwise direction. When the driving drum 51 is driven by the motor to rotate, the upper traction rope 3 and the lower traction rope 4 always act synchronously and do not interfere with each other. The tail ends of the upper traction rope 3 and the lower traction rope 4 led out from the driving drum 51 are both provided with a steel wire rope sleeve 10, and the steel wire rope sleeve 10 is used for being sleeved on the workpiece 8 or a workpiece mounting rack 11 bearing the workpiece 8.
The upper traction rope 3 led upward from the driving reel 51 extends downward after passing around the first upper diverting pulley 61 and the second upper diverting pulley 62 in turn, and the lower traction rope 4 led upward from the driving reel 51 extends downward after passing around the first upper diverting pulley 61 and the second upper diverting pulley 62 in turn, and then extends upward after passing around the lower diverting pulley 7. For the hauling rope which is wound around the first upper reversing pulley 61 to carry out reversing, the included angle of the rope sections at the two sides of the first upper reversing pulley 61 is an obtuse angle, and for the hauling rope which is wound around the second upper reversing pulley 62 to carry out reversing, the included angle of the rope sections at the two sides of the second upper reversing pulley 62 is a right angle, so that the pressure borne by each upper reversing pulley 6 from the hauling rope is small, the abrasion of the upper reversing pulley 6 is reduced, and the service life of the upper reversing pulley 6 is prolonged.
As shown in fig. 4, 5 and 6, the work mounting bracket 11 includes a bracket body 12, a lifting connection structure 13 and a binding wire 14.
As shown in fig. 5 and 7, an end fixing pillar 15 extending vertically is disposed on the right side of the frame body 12, a plurality of fixing pin holes 151 are disposed on each end fixing pillar 15, the fixing pins 151 are sequentially disposed along the vertical direction at intervals, one end of the binding wire rope 14 is connected to a fixing pin 152, and the fixing pin 152 is detachably installed in one fixing pin hole 151. The user can insert the fixing pin 152 into the fixing pin holes 151 of different heights on the end fixing post 15 according to actual needs, so that the end of the binding wire rope 14 connected to the fixing pin 152 is located at different heights to tension the binding wire rope 14.
As shown in fig. 6 and 8, the right side of the frame body 12 is provided with a vertically extending reversing upright 16, the reversing upright 16 and the end fixing upright 15 are oppositely arranged at a distance in the left-right direction, and the area between the reversing upright 16 and the end fixing upright 15 is used for placing the workpiece 10 to be dip-coated. The oppositely arranged end fixing upright 15 and the reversing upright 16 form an upright group, in this embodiment, two upright groups are sequentially arranged at intervals in the front-back direction of the frame body 12, and the two upright groups have two binding steel wire ropes 14 in total, so that the workpiece 10 to be dip-coated can be fixed at multiple points, and the workpiece can be firmly fastened on the frame body 12.
The reversing upright post 16 is provided with a plurality of mounting holes 161 which are sequentially arranged along the vertical direction at intervals, a reversing shaft 162 is detachably inserted in one of the mounting holes 161, the reversing shaft 162 can perform rotary motion in the mounting hole 161, the upper end of the reversing upright post 16 is provided with a steel wire rope tensioning device 163 which is a motor reel tensioning device, the motor reel tensioning device comprises a reel and a motor for driving the reel to rotate, a bundling steel wire rope 14 is wound on the reel and is led out downwards from the steel wire rope tensioning device 163, the bundling steel wire rope 14 led out downwards bypasses the reversing shaft 162 and is fixed on a fixed pin of the end fixed upright post 15, each upright post group is connected with one bundling steel wire rope 14, and in order to avoid that the steel wire rope tensioning device 163 is immersed by paint when a workpiece is dipped and coated, the height of the reversing upright post 15 is larger than the depth of the. When dip-coating the workpiece, the workpiece 10 to be dip-coated is bound and fixed on the frame body 12 by the binding steel wire rope 14 with two ends connected to the upright post group. When the height of the workpiece 10 to be dip-coated is high, the user can insert the reversing shaft 162 into the mounting hole 161 at the high position, so that the length of the steel wire rope 14 to be bundled can be saved while the workpiece 10 to be dip-coated is guaranteed to be compressed. When the height of the workpiece 10 to be dip-coated is low, the user can insert the reversing shaft 162 into the mounting hole 161 at the lower position, so as to conveniently tension the binding wire rope 14 and press the workpiece 10 to be dip-coated.
As shown in fig. 6, 8 and 9, in order to prevent the workpiece 10 to be dip-coated from swaying in the left-right direction when being placed on the frame, the frame 12 is further provided with side stop structures spaced apart in the front-rear direction, and the side stop structures are also spaced apart in the left-right direction to stop the workpiece extending in the front-rear direction in the left-right direction. In the embodiment, the side stopping structure is specifically a fixed stop pin 17, and fixed insertion holes 171 are arranged on the frame body 12 at intervals corresponding to each fixed stop pin 17 for the insertion of the fixed stop pins 17. In order to enable the side blocking structure to block workpieces with different sizes, two fixing insertion holes 171 are respectively formed corresponding to a single fixing stop pin 17, so that the position of the fixing stop pin 17 can be conveniently changed. By inserting the fixing pins 17 into the fixing insertion holes 171 having different intervals in the left-right direction, the size of the interval between the fixing pins 17 in the left-right direction can be adjusted to block workpieces having different sizes.
The lifting connection structures 13 are arranged on the left side and the right side of the frame body 12, and each lifting connection structure 13 is provided with a connection point which is used for being connected with the steel wire rope traction mechanism 1. In this embodiment, the frame body 12 is provided with four lifting connection structures 13, two lifting connection structures 13 located at the front part of the frame body 12 are arranged in front of one front vertical column group, and two lifting connection structures 13 located at the rear part of the frame body 12 are arranged behind one rear vertical column group. Correspondingly, there are four wire rope traction mechanisms 1, two are respectively arranged on the left side and the right side of the coating tank 11, the four lifting wire rope traction mechanisms 1 are correspondingly connected with the connecting points on the lifting connecting structures 13, and the four connecting points can form a connecting plane so as to stably lift the workpiece mounting rack.
As shown in fig. 2 and fig. 3, the workpiece 8 to be dip-coated is placed on the frame 22, then the fixing stop pin 17 is inserted into the appropriate fixing insertion hole 171 to perform limit stop in the left-right direction on the workpiece 8 to be dip-coated, then one end of the binding steel wire rope 14 is drawn out from the steel wire rope tensioning device 163 at the upper end of the reversing upright post 16, the drawn end of the binding steel wire rope 14 is wound around the reversing shaft 162 on the reversing upright post 16, the drawn end of the binding steel wire rope 14 wound around the reversing shaft 162 strides over the fixing pin 152 on the workpiece 8 to be dip-coated and fixed on the end fixing upright post 15, then the steel wire rope tensioning device 163 is started, the binding steel wire rope 14 is tensioned, the binding steel wire rope 14 is used for pressing the workpiece to be dip-coated on the workpiece mounting frame.
Then the steel wire rope sleeve 10 of the upper traction rope 3 and the lower traction rope 4 is sleeved on the lifting connection structure 13 to realize the transmission connection between the upper traction rope 3 and the workpiece mounting frame 11 and between the lower traction rope 4 and the workpiece mounting frame 11, when a workpiece needs to be lifted and lowered, the reel driving structure 5 is started to enable the driving reel 51 to withdraw the lower traction rope 4 inwards, the lower traction rope 4 is tensioned and applies downward traction force to the workpiece mounting frame 11 after sequentially bypassing the upper reversing wheel 6 and the lower reversing wheel 7, so as to drive the workpiece to descend, at the moment, the driving reel 51 outwards releases the upper traction rope 3, the steel wire rope sleeve 10 of the upper traction rope 3 connected to the workpiece mounting frame 11 is driven by the workpiece mounting frame 11 to be tensioned, correspondingly, the upper traction rope 3 applies upward traction force to the workpiece mounting frame 11, and therefore, in the process of lowering the workpiece, the upper traction rope 3 and the lower traction rope 4 are both in a tensioned state, the upper traction rope 3 and the lower traction rope 4 can be used for traction and positioning of the workpiece, and the workpiece is prevented from shaking in the descending process. When the workpiece is lowered to the specified position, the reel drive structure 5 is closed.
When a workpiece needs to be lifted and lifted to ascend, the reel driving structure 5 is started, the driving reel 51 is enabled to withdraw the upper traction rope 3 inwards, the upper traction rope 3 is tensioned and exerts upward traction force on the workpiece after bypassing the upper reversing wheel 6, so that the workpiece is driven to ascend, the driving reel 51 outwards releases the lower traction rope 4 at the moment, the steel wire rope sleeve 10 connected to the workpiece by the lower traction rope 4 is driven by the workpiece to be tensioned, and accordingly, the lower traction rope 4 exerts downward traction force on the workpiece, so that the upper traction rope 3 and the lower traction rope 4 are both in a tensioning state in the process of descending the workpiece, the workpiece can be pulled and positioned by the upper traction rope 3 and the lower traction rope 4, and the workpiece is prevented from shaking in the descending process. When the workpiece is raised to a specified position, the reel drive mechanism 5 is closed.
Specific example 2 of the lifting device for dip coating a workpiece of the present invention:
the difference between the lifting device for dip coating a workpiece in this embodiment and the lifting device for dip coating a workpiece in embodiment 1 is as follows: the reel drive structure in embodiment 1 includes a drive reel, goes up haulage rope and haulage rope together winding on this drive reel down, and in this embodiment, the reel drive structure includes that the components of a whole that can function independently sets up and fixed assembly two components of a whole that can function independently are in the same place, and it is opposite that the winding direction that has last haulage rope and go up haulage rope and haulage rope down to twine respectively on two components of a whole that can function independently reels, and two components of a whole that can function independently reels are driven by same motor in order to realize synchronous rotation.
Specific example 3 of the lifting device for dip coating a workpiece of the present invention:
the difference between the lifting device for dip coating a workpiece in this embodiment and the lifting device for dip coating a workpiece in embodiment 1 is as follows: the reversing element in embodiment 1 is a reversing pulley, and in this embodiment, the reversing element is a pin shaft with a smooth surface, and the upper traction rope and the lower traction rope change the extending direction by bypassing the outer peripheral surface of the pin shaft, and in order to avoid the upper traction rope and the lower traction rope from coming off from the two ends of the pin shaft, the two end sections of the pin shaft are further provided with circular baffles coaxial with the axis of the pin shaft.
Finally, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments without departing from the inventive concept, or some of the technical features may be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a work piece is elevating gear for dip-coating, its characterized in that, the elevating gear for the dip-coating of work piece is wire rope drive mechanism, wire rope drive mechanism includes:
the upper traction rope is in traction connection with the workpiece in the vertical direction and is used for applying upward traction force to the workpiece;
the lower traction rope is in traction connection with the workpiece in the vertical direction and is used for applying downward traction force to the workpiece;
the winding drum driving structure is in transmission connection with the upper traction rope and the lower traction rope and is used for driving the workpiece to lift up and down through the upper traction rope and the lower traction rope;
and in the process of dragging the workpiece to lift by the steel wire rope traction mechanism, the upper traction rope and the lower traction rope are in a tensioning state.
2. The lift device for dip coating a workpiece as recited in claim 1, wherein said spool drive structure includes a drive spool, said upper and lower pull cords being wound together on said drive spool.
3. The lifting device for dip-coating a workpiece according to claim 1, wherein the winding drum driving structure comprises two split winding drums which are arranged in a split manner and fixedly assembled together, and the upper traction rope and the lower traction rope are wound on the two split winding drums in a one-to-one correspondence manner.
4. The lifting device for dip coating of workpieces as claimed in any one of claims 1 to 3, wherein said wire rope traction mechanism further comprises a support frame for mounting on a corresponding fixed foundation, said drum drive structure being mounted on said support frame; the steel wire rope traction mechanism is characterized in that an upper reversing piece is arranged on the support frame, the steel wire rope traction mechanism further comprises a lower reversing piece, the lower reversing piece is located below the upper reversing piece, the upper traction rope and the lower traction rope are led out from the drum driving structure, the upper traction rope and the lower traction rope are wound through the corresponding upper reversing piece to extend downwards, and the lower traction rope extending downwards bypasses the lower reversing piece to extend upwards.
5. The lifting device for dip coating a workpiece according to claim 4, wherein the upper reversing member is disposed on top of the support frame.
6. The lifting device for dip-coating a workpiece according to claim 4, wherein the force application direction of the upper pull rope and the force application direction of the lower pull rope are positioned on the same straight line.
7. The lift device for dip coating a workpiece according to claim 4, wherein the upper reversing member and the lower reversing member are both reversing pulleys.
8. The lifting device for dip-coating a workpiece according to claim 4, wherein two upper reversing elements corresponding to each traction rope are arranged at intervals along the corresponding traction rope, namely a first upper reversing element and a second upper reversing element, the included angle of the rope sections of each traction rope on both sides of the corresponding first upper reversing element is an obtuse angle or a right angle, and the included angle of the rope sections of each traction rope on both sides of the corresponding second upper reversing element is an obtuse angle or a right angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911407706.9A CN111056468A (en) | 2019-12-31 | 2019-12-31 | Lifting device for dip-coating of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911407706.9A CN111056468A (en) | 2019-12-31 | 2019-12-31 | Lifting device for dip-coating of workpiece |
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| CN111056468A true CN111056468A (en) | 2020-04-24 |
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| CN201911407706.9A Pending CN111056468A (en) | 2019-12-31 | 2019-12-31 | Lifting device for dip-coating of workpiece |
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| CN208894507U (en) * | 2018-07-23 | 2019-05-24 | 中山市海纳德电器有限公司 | A kind of oscillatory type dipping system |
| CN209772459U (en) * | 2019-04-17 | 2019-12-13 | 贵阳盛世嘉诚钢结构工程安装有限公司 | Steel construction paint spraying apparatus that can evenly spray paint |
| CN211594858U (en) * | 2019-12-31 | 2020-09-29 | 河南省矿山起重机有限公司 | Lifting device for dip-coating workpiece |
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| CN104386607A (en) * | 2014-10-31 | 2015-03-04 | 润邦卡哥特科工业有限公司 | Steel wire rope tensioning mechanism for quayside container bridge type crane trolley |
| CN105197826A (en) * | 2015-10-27 | 2015-12-30 | 太原重工股份有限公司 | Crane and lifting system |
| CN208894507U (en) * | 2018-07-23 | 2019-05-24 | 中山市海纳德电器有限公司 | A kind of oscillatory type dipping system |
| CN209772459U (en) * | 2019-04-17 | 2019-12-13 | 贵阳盛世嘉诚钢结构工程安装有限公司 | Steel construction paint spraying apparatus that can evenly spray paint |
| CN211594858U (en) * | 2019-12-31 | 2020-09-29 | 河南省矿山起重机有限公司 | Lifting device for dip-coating workpiece |
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