CN212269205U - Quick hoisting sling for annular workpiece - Google Patents

Quick hoisting sling for annular workpiece Download PDF

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Publication number
CN212269205U
CN212269205U CN202020935527.4U CN202020935527U CN212269205U CN 212269205 U CN212269205 U CN 212269205U CN 202020935527 U CN202020935527 U CN 202020935527U CN 212269205 U CN212269205 U CN 212269205U
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Prior art keywords
lifting
sling
cone
sleeve
sliding
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CN202020935527.4U
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Chinese (zh)
Inventor
陈仁波
刘宗勇
林良平
余国宏
王兵
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Zhejiang 8+1 Precision Machinery Co Ltd
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Zhejiang 8+1 Precision Machinery Co Ltd
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Abstract

The utility model relates to the technical field of lifting transfer relay machinery of annular workpieces, in particular to a rapid lifting sling for annular workpieces, which comprises an outer sling group, a movable supporting mechanism and an inner sling group, wherein the outer sling group comprises a sling main body and an outer lifting shaft unit, the movable supporting mechanism is slidably arranged in the radial direction corresponding to the sling main body and is equidistantly distributed along the circumference of the sling main body, the inner sling group is slidably inserted in the outer sling group, a cone with a conical lower end is positioned in the sling main body, the cone and the end part of the movable supporting mechanism positioned in the sling main body are correspondingly slidably matched and butted, the expansion and contraction of the movable supporting mechanism are controlled by switching the outer sling group and the inner sling group, so that the sling can rapidly separate from the annular workpieces after lifting the annular workpieces, thereby avoiding the synchronous heating of the sling and the annular workpieces, the technical problem that a traditional lifting appliance cannot be quickly separated from an annular workpiece is solved.

Description

Quick hoisting sling for annular workpiece
Technical Field
The utility model relates to an annular work piece lift by crane the transfer technical field, specifically be an annular work piece hoists hoist fast.
Background
The hoist removes main instrument for the product of mill, and annular work piece in this application refers to the bearing ring, carries out the in-process that hot working was handled at the bearing ring, need pass through the hoist, heats in the heat treatment furnace that shifts the bearing ring, but traditional hoist is after the handling that accomplishes the bearing ring shifts, can't realize carrying out quick breaking away from, need all stay the hoist with the bearing ring in the heat treatment furnace and heat, has following technical problem:
firstly, the heating speed of the heat treatment furnace is slow;
secondly, the lifting appliance is also heated to increase the energy consumption;
thirdly, the material of the lifting appliance must adopt heat-resistant steel, and the manufacturing cost is high.
In chinese patent with patent application number CN201621175541.9, a ring sling is disclosed, which comprises a sling main shaft, a supporting rivet chain, a sling cross rod, a sling taper sleeve, a sling hook, a sling guide rod, a sling sliding ring and a sling clamp head, wherein the sling main shaft is fixed on the sling cross rod, two ends of the supporting rivet chain are respectively connected with the sling cross rod and the sling main shaft, the sling guide rod moves up and down relative to the sling main shaft, the sling taper sleeve is fixed on the sling main shaft, the sling sliding ring is fixed on the sling guide rod, and the sling sliding ring is tightly clamped with the sling taper sleeve, the sling hook is fixed on the sling main shaft, the sling hook is abutted against the sling sliding ring, and the supporting sling sliding ring moves. This is novel increases hoist sliding ring and hoist taper sleeve on the ring hoist, and the ring hoist holds up or clenches the work piece after, rivets the chain and tightens and makes the hoist sliding ring shift up to hoist taper sleeve department chucking, increases the pivot location simultaneously, makes the ring hoist can not sway or rotate and lead to the work piece to drop in driving work piece transmission process, causes life incident.
Although the spreader disclosed in the above patent achieves reinforcement during handling of the rings, it does not achieve a quick break-away switching of the spreader in the rings.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model provides a hoist is hoisted fast to annular work piece through the switching that sets up outer hoist group and interior hoist group, realizes controlling of expansion and shrink to removing supporting mechanism for the hoist is accomplishing the handling back to annular work piece, can be quick break away from annular work piece, has avoided the hoist and the synchronous condition of heating of carrying out of annular work piece, has solved the unable technical problem who breaks away from fast from annular work piece of traditional hoist.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a quick hoist and mount hoist of annular workpiece, its is used for carrying out hoist and mount to the windrow that coaxial a plurality of annular workpiece that piles up constitutes and shifts, includes:
the outer lifting appliance group comprises a lifting appliance main body and an outer lifting shaft unit, and the lifting appliance main body is connected and arranged at the lower part of the outer lifting shaft unit;
the movable supporting mechanisms of a plurality of groups are arranged in the radial direction corresponding to the hanger main body in a sliding way and are distributed at equal intervals along the circumferential circumference of the hanger main body; and
the inner lifting appliance group is inserted into the outer lifting appliance group in a sliding manner, a cone arranged in a conical manner at the lower end part of the inner lifting appliance group is positioned in the lifting appliance main body, and the cone and the end part of the movable supporting mechanism positioned in the lifting appliance main body are correspondingly arranged in a sliding interference fit manner.
As an improvement, when the inner lifting appliance group is lifted up, the cone is abutted against the movable supporting mechanism to drive the movable supporting mechanism to slide and extend out along the corresponding lifting appliance main body to bear the material pile, and when the outer lifting appliance group is lifted up, the cone is disengaged from the movable supporting mechanism, and the movable supporting mechanism retracts and resets.
As an improvement, the hanger main body comprises a sleeve portion arranged in a cylindrical shape and a plurality of slide rail portions arranged at equal intervals along the circumferential direction of the sleeve portion, the cone is arranged in the sleeve portion, the length directions of the slide rail portions are all arranged along the radial direction of the sleeve portion, and the moving support mechanisms are slidably mounted on the corresponding slide rail portions.
As an improvement, the inner side wall of the sleeve part and the cone are arranged in a profiling manner, a sliding groove for the sliding of the movable supporting mechanism is arranged in the sliding rail part, and an installation groove is further arranged at the bottom of the sliding groove.
As an improvement, the outer hoist shaft unit includes:
the lifting sleeve is hollow inside and used for inserting the inner lifting tool set, and an outer lifting ring is arranged at the upper end of the lifting sleeve;
the lifting appliance spring sleeve is coaxially connected and arranged at the lower end part of the lifting sleeve; and
the lifting appliance limiting sleeve is coaxially arranged between the lifting appliance spring sleeve and the lifting appliance main body and is connected with the lifting appliance spring sleeve and the lifting appliance main body.
As an improvement, the movement support mechanism includes:
the sliding blocks are slidably installed in the sliding grooves of the corresponding sliding rail parts, the end parts of the sliding blocks, which point to the axis of the sleeve part, are arranged in a slope, and the slope end parts of the sliding blocks are correspondingly arranged in a sliding and abutting fit manner with the cone;
the moving body is sleeved on the sliding rail part in a sliding manner, is used for supporting the material pile, is connected with the sliding block and synchronously slides along with the sliding block; and
and the supporting feet are connected and arranged below the corresponding moving body and synchronously slide along with the moving body.
As an improvement, the sub-unit connection of slider is provided with promotes the piece, should promote the piece set up in the mounting groove, promote the piece with it is provided with the driving piece that resets to contradict between the lateral wall of mounting groove, this driving piece that resets is elastic telescopic spring part.
As an improvement, a positioning step for supporting and limiting the annular workpiece at the bottom of the material pile is arranged at the end part of the moving body, which is back to the sliding rail part, and the side wall of the positioning step, which is abutted against the annular workpiece, is in an arc shape.
As an improvement, the inner set of spreaders further comprises:
the inner lifting shaft is coaxially inserted into the lifting sleeve, the upper end part of the inner lifting shaft is connected with an inner lifting ring, the inner lifting ring is positioned on the outer lifting ring, and the lower end part of the inner lifting shaft is connected with the cone;
the limiting boss is arranged at the connecting position of the inner lifting shaft and the cone and is positioned in the lifting appliance limiting sleeve; and
the elastic buffer piece is sleeved on the inner lifting shaft and abutted between the limiting boss and the lifting appliance spring sleeve.
The beneficial effects of the utility model reside in that:
(1) the utility model realizes the control of the expansion and contraction of the movable supporting mechanism by setting the switching of the outer lifting tool set and the inner lifting tool set, so that the lifting tool can be quickly separated from the annular workpiece after the lifting of the annular workpiece is completed, the synchronous heating of the lifting tool and the annular workpiece is avoided, and the technical problem that the traditional lifting tool can not be quickly separated from the annular workpiece is solved;
(2) the utility model realizes the rapid expansion and extension of the moving body used for supporting the annular workpiece in the supporting mechanism by arranging the slope arranged by the cone body on the inner lifting appliance group in a way of matching with the slide block on the movable supporting mechanism and utilizing the interference fit between the cone body and the slope, thereby realizing the rapid separation between the lifting appliance and the annular workpiece;
(3) the utility model discloses an in the slide rail portion set up the mounting groove for the reset driving piece that the installation elasticity set up, realize after eliminating the conflict of cone, the moving body can rely on the quick shrink of reset driving piece to reply, convenient and fast, and the structure is simple and convenient;
(4) the utility model discloses can make the moving body carry out the flexible of certain limit through the conflict of cone and slider, realize the support to the annular work piece of multiple diameter, the suitability is strong, and stable in structure, simple and convenient, and the processing cost is low.
To sum up, the utility model has the advantages of the simple operation, break away from fast, processing low cost etc, the handling that is particularly useful for annular work pieces such as bearing work piece shifts technical field.
Drawings
FIG. 1 is a schematic view of a stacking state of annular workpieces according to the present invention;
FIG. 2 is a schematic diagram of the hoisting state of the spreader of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a first schematic cross-sectional view of the present invention;
FIG. 5 is a schematic view of a slider in elevation configuration according to the present invention;
FIG. 6 is a schematic perspective view of a spreader body according to the present invention;
fig. 7 is a schematic cross-sectional structure view of the spreader body of the present invention;
FIG. 8 is a schematic sectional view of the structure of the present invention;
FIG. 9 is a schematic cross-sectional view of a portion of the present invention;
FIG. 10 is a schematic cross-sectional view of the mobile support mechanism of the present invention;
fig. 11 is a schematic perspective view of the movable body according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1:
as shown in fig. 1 to 4, a rapid hoisting sling for annular workpieces is used for hoisting and transferring a material pile 10a formed by a plurality of coaxially stacked annular workpieces 10, and includes:
the lifting device comprises an outer lifting device group 1, wherein the outer lifting device group 1 comprises a lifting device main body 11 and an outer lifting shaft unit 12, and the lifting device main body 11 is connected and arranged at the lower part of the outer lifting shaft unit 12;
the movable supporting mechanisms 2 are arranged in the radial direction corresponding to the hanger main body 11 in a sliding mode, and are distributed at equal intervals along the circumferential circumference of the hanger main body 11; and
the inner lifting appliance group 3 is inserted into the outer lifting appliance group 1 in a sliding manner, a cone 31 which is arranged in a conical manner at the lower end part of the inner lifting appliance group 3 is positioned in the lifting appliance main body 11, and the cone 31 and the end part of the movable supporting mechanism 2 which is positioned in the lifting appliance main body 11 are correspondingly arranged in a sliding interference fit manner.
Further, when the inner lifting appliance group 3 is lifted up, the cone 31 abuts against the movable supporting mechanism 2 to drive the movable supporting mechanism 2 to slide and extend out along the corresponding lifting appliance main body 11 to bear the material pile 10a, when the outer lifting appliance group 1 is lifted up, the cone 31 is disengaged from the movable supporting mechanism 2, and the movable supporting mechanism 2 retracts and resets.
It should be noted that, through the mutual switching between the outer hanger set 1 and the inner hanger set 3, the contraction and expansion of the movable supporting mechanism 2 are realized, and the rapid supporting and rapid separation of the annular workpiece 10 are implemented, so that after the hangers are lifted and transferred to a specified place along with the annular workpiece 10, the annular workpiece can be rapidly separated and withdrawn, and the processing of the annular workpiece cannot be influenced.
Further, the cone 31 is in sliding friction fit with the slope end 210 of the slider 21, when the cone 31 is driven by the inner lifting tool set 3 to lift upwards, the slider 2 slides outwards along the radial direction of the sleeve portion 111 through the slope guide of the cone 31 to drive the movable support mechanism 2 to move outwards to the lower side of the material pile 10a, the support mechanism 2 bears the material pile 10a, at this time, the inner lifting tool set 3 is continuously lifted by the lifting device to drive the material pile 10a to lift upwards integrally, the lifting is performed, after the lifting is performed to a specified position, the sliding collision between the cone 31 and the slider 21 can be cancelled by switching the inner lifting tool set 3 to the outer lifting tool set 1, the slider drives the movable support mechanism 2 to reset integrally through the reset driving part 22 to be separated from the material pile 10a, the cone 31 also resets by self gravity, then the lifting device continuously lifts the outer lifting tool set 1, the lifting appliance can be removed from the annular workpiece 10 as a whole, and in the whole lifting process, the workpiece is fixed, lifted to the lifting appliance to be removed, and all actions are smoothly connected and are quick and convenient.
Furthermore, it is emphasized that the hoisting means mentioned in the present invention may be, but is not limited to, a crane, a girder, etc.
Example 2:
fig. 4 is a schematic structural diagram of an embodiment 2 of the rapid hoisting sling for annular workpieces of the present invention; as shown in fig. 4, in which the same or corresponding components as those in embodiment 1 are denoted by the same reference numerals as those in embodiment one, only the points of difference from embodiment 1 will be described below for the sake of convenience. This embodiment 2 differs from the embodiment 1 shown in fig. 1 in that:
as shown in fig. 4 to 7, the hanger body 11 includes a sleeve portion 111 provided in a cylindrical shape and a plurality of slide rail portions 112 provided at equal intervals in a circumferential direction of the sleeve portion 111, the cone 31 is provided in the sleeve portion 111, the slide rail portions 112 are provided in a radial direction of the sleeve portion 111 in a longitudinal direction, and the movement support mechanism 2 is slidably attached to the corresponding slide rail portions 112.
Further, the inner side wall of the sleeve portion 111 and the cone 31 are formed in a shape following each other, a sliding groove 113 for the movable support mechanism 2 to slide is provided in the sliding rail portion 112, and a mounting groove 114 is further provided at the bottom of the sliding groove 113.
Further, the outer hoist shaft unit 12 includes:
the lifting sleeve 121 is hollow inside and used for inserting the inner lifting tool set 3, and an outer lifting ring 122 is arranged at the upper end of the lifting sleeve 121;
the lifting appliance spring sleeve 123, the lifting appliance spring sleeve 123 is coaxially connected and arranged at the lower end part of the lifting sleeve 121; and
the spreader stop collar 124 is coaxially disposed between the spreader spring housing 123 and the spreader body 11, and connects the spreader spring housing 123 and the spreader body 11.
Further, the inner side wall of the sleeve portion 111 is formed to follow the taper 31.
It should be noted that, the lifting sleeve 121, the hanger spring sleeve 123 and the hanger spacing sleeve 124 are coaxially connected in sequence from top to bottom and are connected to the sleeve portion 111, a sliding installation space for installing the inner hanger set 3 is formed in the lifting sleeve 121, the hanger spring sleeve 123, the hanger spacing sleeve 124 and the sleeve portion 111, when the lifting device hooks the outer hanger set 1 to be pulled, the outer hanger set 1 and the inner hanger set 3 are lifted synchronously, and when the lifting device hooks the inner hanger set 3 to be pulled, initially, the inner hanger set 3 and the outer hanger set 1 will also slide relatively first, and then the two sets are pulled synchronously, so that the cone 31 and the slider 21 are matched to realize the contraction and expansion of the movable support mechanism 2.
Further, the inner side wall of the sleeve portion 111 and the cone 31 are formed in a shape following the shape of the cone 31, and the cone 31 is pulled up and then attached to the inner side wall of the sleeve portion 111 to limit the cone 31 and prevent the cone 31 from being worn.
Example 3:
fig. 9 is a schematic structural view of an embodiment 3 of the rapid hoisting sling for annular workpieces of the present invention; as shown in fig. 9, in which the same or corresponding components as those in embodiment 2 are denoted by the same reference numerals as those in embodiment one, only the points of difference from embodiment 2 will be described below for the sake of convenience. This embodiment 3 differs from the embodiment 2 shown in fig. 4 in that:
as shown in fig. 9 to 10, the movement support mechanism 2 further includes:
the slide block 21 is slidably mounted in the corresponding slide groove 113 of the slide rail part 112, the end part of the slide block 21 pointing to the axis of the sleeve part 111 is arranged in a slope, and the slope end part 210 of the slide block 21 is correspondingly arranged in a sliding interference fit with the cone 31;
the moving body 23 is slidably sleeved on the sliding rail part 112, is used for supporting the material pile 10a, is connected with the sliding block 21, and synchronously slides along with the sliding block 21; and
and a supporting leg 24, wherein the supporting leg 24 is connected to a lower portion of the corresponding moving body 23, and slides in synchronization with the moving body 23.
Further, the lower portion of the sliding block 21 is connected with a pushing block 211, the pushing block 211 is disposed in the mounting groove 114, a reset driving member 22 is disposed between the pushing block 211 and the side wall of the mounting groove 114 in a propping manner, and the reset driving member 22 is an elastic telescopic spring member
It should be noted that, when the sliding block 31 slides outwards along the sliding rail portion 112, the pushing block 211 slides synchronously along the mounting groove 114 to compress the reset driving member 22, and when the matching between the cone 31 and the sliding block 21 is eliminated, the compressed reset driving member 22 drives the sliding block 31 to reset, so that the moving body 23 is separated from the lower part of the material pile 10a, the use of a driving device with main power is avoided, the reset of the moving body 23 can be realized through the elastic compression and extension of the reset driving member 22, and the mechanical mechanism is simplified.
Example 4:
fig. 11 is a schematic structural view of an embodiment 4 of the rapid hoisting sling for annular workpieces of the present invention; as shown in fig. 11, in which the same or corresponding components as those in embodiment 3 are denoted by the same reference numerals as in embodiment one, only the points of difference from embodiment 1 will be described below for the sake of convenience. This embodiment 4 differs from the embodiment 3 shown in fig. 9 in that:
as shown in fig. 11, a positioning step 231 for supporting and limiting the annular workpiece 10 at the bottom of the pile 10a is provided at an end of the moving body 23 facing away from the slide rail portion 112.
Further, the positioning step 231 is arranged in an arc shape with the side wall against which the annular workpiece 10 abuts.
It should be noted that, when the moving body 23 moves below the pile 10a, the positioning step 231 is engaged with the inner wall of the annular workpiece 10 at the bottommost layer of the pile 10a to realize the load bearing of the whole pile 10a, and it should be emphasized that, in the process of engaging the moving body 23 with the pile 10a to realize the load bearing, the engaging pressure between the positioning step 231 of the moving body 23 and the pile 10a is completely dependent on the whole mass of the pile 10a, the larger the mass of the pile 10a is, the larger the force of the pile acting on the cone 31 is when the inner spreader group 3 is pulled, the larger the force of the cone 31 abutting against the slider of the slider 21 is, the larger the engaging pressure of the moving body 23 against the pile 10a is, and vice versa, which realizes the self-adjustment of the grasping strength of the annular workpiece, and ensures the stability of the annular workpiece 10 in the lifting process.
It is further noted that, the positioning step 231 and the side wall of the annular workpiece 10 abutting against each other are arranged in an arc shape, so that the moving body 23 can avoid damaging the smoothness of the inner side wall of the annular workpiece 10 during the bearing process.
Example 5:
fig. 8 is a schematic structural diagram of an embodiment 5 of the rapid hoisting sling for annular workpieces of the present invention; as shown in fig. 8, in which the same or corresponding components as those in embodiment 1 are denoted by the same reference numerals as those in embodiment one, only the points of difference from embodiment 1 will be described below for the sake of convenience. This embodiment 9 differs from embodiment 1 shown in fig. 1 in that:
as shown in fig. 8 and 9, the inner spreader set 3 further includes:
the inner lifting shaft 32 is coaxially inserted into the lifting sleeve 121, an inner lifting ring 33 is connected to the upper end of the inner lifting shaft 32, the inner lifting ring 33 is located on the outer lifting ring 122, and the lower end of the inner lifting shaft 32 is connected with the cone 31;
the limiting boss 34 is arranged at the connecting position of the inner lifting shaft 32 and the cone 31, and the limiting boss 34 is positioned in the hanger limiting sleeve 124; and
the elastic buffer 35 is sleeved on the inner lifting shaft 32, and the elastic buffer 35 is abutted between the limiting boss 34 and the hanger spring sleeve 123.
It should be noted that, when the lifting device hooks the inner suspension ring 33 and pulls the cone 31 to lift, the elastic buffer 35 elastically buffers the lifting of the cone 31, so as to avoid the cone 31 from colliding with the inner side wall of the sleeve portion 111 too rigidly during the lifting process.
The working process is as follows:
stacking, namely coaxially stacking a plurality of annular workpieces 10 on sizing blocks 101 which are arranged at equal intervals on the circumference to form a stock pile 10a, wherein adjacent annular workpieces 10 are separated by a cylindrical support 102;
step two, placing a lifting appliance, hooking an outer lifting ring 122 on an outer lifting appliance group 1 through a lifting device, lifting and transferring the whole lifting appliance into an inner ring of the material pile 10a, and enabling a movable supporting mechanism 2 for carrying and lifting the material pile 10a to be in a contraction state;
carrying and positioning, namely switching a lifting device from hooking the outer lifting ring 122 to hooking the inner lifting ring 33 on the inner lifting tool group 3, lifting the inner lifting ring 33 upwards, so that the cone 31 connected with the inner lifting ring 33 through the inner lifting shaft 32 is lifted upwards synchronously, and the cone 31 is in sliding interference fit with the movable supporting mechanism 2, so that the movable supporting mechanism 2 is expanded to the lower part of the material pile 10a along the length direction of the sliding rail part 112 in an outward sliding manner, and the material pile 10a is carried;
hoisting, namely, a hoisting device hooks the inner hoisting ring 33 to continuously lift upwards, and hoists and transfers the material pile 10a through the movable supporting mechanism 2 to separate from the sizing block 101; and
and step five, resetting and separating, namely after the material pile 10a is lifted, transferred and placed on the sizing block 101 at the designated position, switching the lifting device from hooking the inner lifting ring 33 to hooking the outer lifting ring 122, enabling the cone 31 to fall down, enabling the mobile supporting mechanism 2 to be retracted inwards by virtue of the reset driving piece 22 for resetting, lifting the lifting device, and separating the whole lifting appliance from the inner ring of the material pile 10 a.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The utility model provides a quick hoist and mount hoist of annular workpiece, its is used for carrying out hoist and mount to stockpile (10a) that coaxial a plurality of annular workpiece (10) of piling up are constituteed and shift which characterized in that includes:
the lifting device comprises an outer lifting device group (1), wherein the outer lifting device group (1) comprises a lifting device main body (11) and an outer lifting shaft unit (12), and the lifting device main body (11) is connected and arranged at the lower part of the outer lifting shaft unit (12);
the movable supporting mechanisms (2) are arranged in a plurality of groups in the radial direction corresponding to the hanger main body (11) in a sliding mode, and are distributed at equal intervals along the circumferential circumference of the hanger main body (11); and
the inner lifting appliance group (3), the inner lifting appliance group (3) is inserted into the outer lifting appliance group (1) in a sliding manner, a cone (31) which is arranged in a conical manner at the lower end part of the inner lifting appliance group is positioned in the lifting appliance main body (11), and the cone (31) and the end part of the movable supporting mechanism (2) which is positioned in the lifting appliance main body (11) are correspondingly arranged in a sliding interference fit manner.
2. The rapid hoisting sling for annular workpieces as recited in claim 1, wherein when the inner sling group (3) is lifted, the cone (31) abuts against the movable support mechanism (2) to drive the movable support mechanism (2) to slide along the corresponding sling main body (11) and extend out to bear the material pile (10a), when the outer sling group (1) is lifted, the cone (31) is disengaged from the movable support mechanism (2), and the movable support mechanism (2) retracts and resets.
3. The rapid hoisting sling for annular workpieces as recited in claim 1, wherein the sling body (11) comprises a cylindrical sleeve portion (111) and a plurality of slide rail portions (112) equidistantly arranged along the circumferential direction of the sleeve portion (111), the cone (31) is arranged in the sleeve portion (111), the slide rail portions (112) are arranged along the radial direction of the sleeve portion (111) along the length direction, and the movable support mechanism (2) is slidably mounted on the corresponding slide rail portions (112).
4. The rapid hoisting sling for annular workpieces as claimed in claim 3, wherein the inner side wall of the sleeve portion (111) and the cone (31) are disposed in a shape-fitting manner, a sliding groove (113) for the movable support mechanism (2) to slide is disposed in the sliding rail portion (112), and a mounting groove (114) is further disposed at the bottom of the sliding groove (113).
5. The rapid hoisting spreader for annular workpieces as recited in claim 1, wherein the outer hoisting shaft unit (12) comprises:
the lifting sleeve (121) is hollow inside and used for the insertion of the inner lifting tool set (3), and an outer lifting ring (122) is arranged at the upper end part of the lifting sleeve (121);
the lifting appliance spring sleeve (123), the lifting appliance spring sleeve (123) is coaxially connected and arranged at the lower end part of the lifting sleeve (121); and
the lifting appliance limiting sleeve (124) is coaxially arranged between the lifting appliance spring sleeve (123) and the lifting appliance main body (11) and is connected with the lifting appliance spring sleeve (123) and the lifting appliance main body (11).
6. The rapid hoisting sling for annular workpieces according to claim 4, wherein the mobile support mechanism (2) comprises:
the sliding block (21) is slidably mounted in a sliding groove (113) of the corresponding sliding rail part (112), the end part of the sliding block (21) pointing to the axis of the sleeve part (111) is arranged in a slope manner, and the slope end part (210) of the sliding block (21) is correspondingly arranged in a sliding interference fit manner with the cone (31);
the moving body (23) is sleeved on the sliding rail part (112) in a sliding manner, is used for supporting the stock pile (10a), is connected with the sliding block (21), and synchronously slides along with the sliding block (21); and
and the supporting legs (24) are connected and arranged below the corresponding moving bodies (23), and slide synchronously with the moving bodies (23).
7. The rapid hoisting sling for annular workpieces as claimed in claim 6, wherein the lower part of the sliding block (21) is connected with a pushing block (211), the pushing block (211) is arranged in the mounting groove (114), a reset driving member (22) is arranged between the pushing block (211) and the side wall of the mounting groove (114) in an abutting manner, and the reset driving member (22) is an elastic telescopic spring member.
8. The rapid hoisting sling for annular workpieces as recited in claim 6, wherein the end of the moving body (23) facing away from the sliding rail part (112) is provided with a positioning step (231) for supporting and limiting the annular workpiece (10) at the bottom of the material pile (10a), and the side wall of the positioning step (231) abutting against the annular workpiece (10) is arc-shaped.
9. The rapid hoisting sling for annular workpieces according to claim 5, wherein the inner sling group (3) further comprises:
the inner lifting shaft (32) is coaxially inserted into the lifting sleeve (121), an inner lifting ring (33) is connected to the upper end of the inner lifting shaft (32), the inner lifting ring (33) is located on the outer lifting ring (122), and the lower end of the inner lifting shaft (32) is connected with the cone (31);
the limiting boss (34), the limiting boss (34) is arranged at the connecting position of the inner lifting shaft (32) and the cone (31), and is positioned in the lifting appliance limiting sleeve (124); and
elastic buffer member (35), elastic buffer member (35) cover is located on interior mention axle (32), its conflict set up in spacing boss (34) with between hoist spring housing (123).
CN202020935527.4U 2020-05-28 2020-05-28 Quick hoisting sling for annular workpiece Active CN212269205U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114068171A (en) * 2021-11-12 2022-02-18 深圳市联影高端医疗装备创新研究院 Auxiliary assembly tool for coil assembly
CN114751288A (en) * 2022-06-14 2022-07-15 徐州鼎博混凝土制品有限公司 Special lifting appliance for concrete prefabricated part
CN116891182A (en) * 2023-09-11 2023-10-17 贵州乌江水电开发有限责任公司 Hydropower station wind shield mounting structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114068171A (en) * 2021-11-12 2022-02-18 深圳市联影高端医疗装备创新研究院 Auxiliary assembly tool for coil assembly
CN114068171B (en) * 2021-11-12 2024-03-22 深圳市联影高端医疗装备创新研究院 Auxiliary assembly fixture for coil assembly
CN114751288A (en) * 2022-06-14 2022-07-15 徐州鼎博混凝土制品有限公司 Special lifting appliance for concrete prefabricated part
CN116891182A (en) * 2023-09-11 2023-10-17 贵州乌江水电开发有限责任公司 Hydropower station wind shield mounting structure
CN116891182B (en) * 2023-09-11 2023-12-05 贵州乌江水电开发有限责任公司 Hydropower station wind shield mounting structure

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Assignee: Zhejiang Jianyi Bearing Co.,Ltd.

Assignor: Zhejiang Xinzi Precision Machinery Co.,Ltd.

Contract record no.: X2024980014998

Denomination of utility model: A fast lifting device for circular workpieces

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Assignor: Zhejiang Xinzi Precision Machinery Co.,Ltd.

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Record date: 20240914

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