CN110963403B - Lifting appliance device for lifting wedge block - Google Patents

Lifting appliance device for lifting wedge block Download PDF

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Publication number
CN110963403B
CN110963403B CN201911402935.1A CN201911402935A CN110963403B CN 110963403 B CN110963403 B CN 110963403B CN 201911402935 A CN201911402935 A CN 201911402935A CN 110963403 B CN110963403 B CN 110963403B
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China
Prior art keywords
clamping plate
lifting
screw rod
plate
stepped hole
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CN201911402935.1A
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CN110963403A (en
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程小龙
陈世珍
曾倩
许露
刘博�
李函
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Heavy Equipment Engineering Co LtdOf Wuchang Shipbuilding Industry Co ltd
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Heavy Equipment Engineering Co LtdOf Wuchang Shipbuilding Industry Co ltd
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Priority to CN201911402935.1A priority Critical patent/CN110963403B/en
Publication of CN110963403A publication Critical patent/CN110963403A/en
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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
    • B66C1/62—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 comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/66—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 comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The utility model provides a hoist device for hoisting voussoir, relates to water conservancy project steel construction hoist and mount field, the shoulder hole is seted up along its length direction to the voussoir, the hoist device contains: a vertically disposed screw; the upper lifting appliance comprises a clamping plate vertically arranged at the top end of the screw rod, the clamping plate is detachably connected to the screw rod, a handle for lifting is arranged on the top surface of the clamping plate, the handle is provided with a lifting groove, and the inner wall of the lifting groove is of an arc-shaped structure; the lower lifting appliance comprises a supporting plate which is parallel to the clamping plate and is detachably connected to the bottom end of the screw rod; during hoisting, the screw rod penetrates through the stepped hole, and the axis of the screw rod is superposed with the axis of the stepped hole; the wedge block is clamped between the supporting plate and the clamping plate, and a perpendicular line where the gravity center of the wedge block is located passes through the arc center of the hoisting groove. The lifting appliance device is simple in structure and easy to manufacture, and effectively protects the mounting surface of the wedge block.

Description

Lifting appliance device for lifting wedge block
Technical Field
The invention relates to the field of hoisting of hydraulic steel structures, in particular to a lifting appliance device for hoisting wedge blocks.
Background
In a large herringbone door of a hydraulic gate, an AB pull frame is often used for connecting the herringbone door and plays a role of a hinge. When the AB pulling frame is connected with the herringbone door body, a wedge block is used. The wedge block is a stainless steel forging, the contact part of the outer surface of the wedge block and the AB pull frame is a mounting surface with higher requirement, only the top surface and the bottom surface are non-mounting surfaces, and the schematic diagram of the wedge block is shown in figures 1 and 2. In reality, many hoisting tools such as clamps, welding lugs, wire ropes and slings are used in the hoisting process, but the use of the tools can cause damage to the wedge blocks to a greater or lesser extent.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to manufacture a lifting tool specially used for lifting wedges.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a lifting appliance device for lifting a wedge block, which is simple in structure, easy to manufacture and capable of effectively protecting the installation surface of the wedge block.
In order to achieve the above purposes, the technical scheme is as follows: a spreader apparatus for lifting a wedge, the wedge being stepped along its length, the spreader apparatus comprising:
a vertically disposed screw;
the upper lifting appliance comprises a clamping plate vertically arranged at the top end of the screw rod, the clamping plate is detachably connected to the screw rod, a handle for lifting is arranged on the top surface of the clamping plate, the handle is provided with a lifting groove, and the inner wall of the lifting groove is of an arc-shaped structure;
the lower lifting appliance comprises a supporting plate which is parallel to the clamping plate and is detachably connected to the bottom end of the screw rod;
during hoisting, the screw rod penetrates through the stepped hole, and the axis of the screw rod is superposed with the axis of the stepped hole; the wedge block is clamped between the supporting plate and the clamping plate, and a perpendicular line where the gravity center of the wedge block is located passes through the arc center of the hoisting groove.
On the basis of the technical scheme, through holes with the same size are formed in the centers of the clamping plate and the supporting plate, a head part with the outer diameter larger than the diameter of each through hole is arranged at one end of the screw rod, the screw rod penetrates through the through holes of the clamping plate and the supporting plate, the head part is located below the supporting plate, and the top end of the screw rod is fixed above the clamping plate through a nut.
On the basis of the technical scheme, the clamping plate and the supporting plate are both circular plates.
On the basis of the technical scheme, the supporting plate is formed by superposing an upper circular plate and a lower circular plate which are coaxial, the outer diameter of the upper circular plate is smaller than the inner diameter of the lower section of the stepped hole, and the upper circular plate is positioned in the lower section of the stepped hole; the outer diameter of the lower circular plate is larger than the inner diameter of the lower section of the stepped hole, and the lower circular plate is located at the bottom of the wedge block.
On the basis of the technical scheme, the lower lifting appliance further comprises a long nut, the long nut is welded on the upper surface of the upper circular plate, the axis of the long nut is coaxial with the central line of the upper circular plate, and one section of the screw rod, which is adjacent to the head, is in threaded connection with the long nut.
On the basis of the technical scheme, the outer ring of the long nut is sleeved with cylindrical anti-collision rubber, the outer diameter of the anti-collision rubber is smaller than the inner diameter of the lower section of the stepped hole, and the lower end face of the anti-collision rubber is tightly attached to the upper circular plate.
On the basis of the technical scheme, the outer ring of the long nut is further sleeved with an elastic check ring, and the elastic check ring is fixedly arranged on the top surface of the anti-collision rubber.
On the basis of the technical scheme, the upper lifting appliance further comprises an extrusion head arranged on the lower surface of the clamping plate, and the extrusion head is an inverted circular truncated cone shell with openings at two ends;
the screw rod is further sleeved with a clamping plate, the clamping plate is located in the upper section of the stepped hole, the lower end face of the extrusion head abuts against the upper surface of the clamping plate, the screw rod penetrates through the extrusion head, and the axis of the extrusion head coincides with the axis of the screw rod.
On the basis of the technical scheme, the handle is also provided with an arc-shaped dismounting groove; when the lifting appliance is disassembled, the vertical line of the gravity center of the upper lifting appliance passes through the arc center of the disassembling groove and coincides with the axis of the stepped hole.
On the basis of the technical scheme, the extrusion head is also sleeved with damping rubber, the damping rubber is cylindrical, and a conical hole for accommodating the extrusion head is formed in the middle of the damping rubber; the top surface and the bottom surface of the damping rubber are respectively propped against the lower surface of the clamping plate and the upper surface of the clamping plate.
The invention has the beneficial effects that:
1. the lifting appliance device mainly comprises an upper lifting appliance, a lower lifting appliance and a screw rod, has a simple integral structure, is easy to manufacture, reduces the use of lifting tools, and reduces the construction cost;
when the lifting appliance device provided by the invention is used for lifting the wedge block through the lifting groove, the perpendicular line of the gravity center of the wedge block passes through the arc center of the lifting groove, so that the wedge block is always in a vertical state in the lifting process, the mounting surface of the wedge block is effectively protected, the scratch problem of the mounting surface of the wedge block is effectively avoided, the construction quality and efficiency are improved, and the practicability is high.
2. After the hoisting is finished, hoisting and detaching an upper hoisting tool with an extrusion head through a detaching groove, wherein a vertical line of the gravity center of the upper hoisting tool passes through the arc center of the detaching groove and is superposed with the axis of the stepped hole; in the dismounting process, the upper lifting appliance is ensured to be always in a vertical state, the extrusion head is prevented from damaging the inner wall of the upper section of the stepped hole, and the mounting surface of the stepped hole of the wedge block is protected.
3. When the upper lifting appliance and the lower lifting appliance at two ends are connected through the screw rod, the long nut is welded on the upper circular plate, the increased long nut lengthens the connecting length of the screw rod, and the connecting stability of the screw rod is enhanced, so that the lifting appliance device can bear a wedge block with larger weight.
4. The upper lifting appliance is also provided with the anti-collision rubber and the elastic check ring, the anti-collision rubber effectively isolates the long nut from the inner wall of the lower section of the stepped hole, the long nut and the inner wall are prevented from being in rigid contact, the inner wall is prevented from being damaged, and the installation surface of the stepped hole of the wedge block is further protected; the elastic check ring is tightly attached to the top surface of the anti-collision rubber, and is clamped between the elastic check ring and the upper circular plate of the supporting plate, so that the anti-collision rubber is prevented from moving up and down.
Drawings
Figure 1 is a front view of the wedge.
Figure 2 is a top view of the wedge.
Fig. 3 is a schematic structural diagram of a spreader according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a spreader installation according to an embodiment of the present invention.
Reference numerals: 1-upper part hanger, 2-lower part hanger, 3-damping rubber, 4-screw, 5-elastic retainer ring, 6-anti-knocking rubber, 7-nut, 11-disassembly groove, 12-hoisting groove, 13-clamp plate, 14-handle, 21-support plate, 41-clamp plate and 50-wedge block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, a lifting device for lifting wedge blocks is applied to the auxiliary installation of a large herringbone door of a hydraulic gate in the embodiment, and the requirements on each installation surface are high due to the wedge blocks 50 (shown in fig. 1 and 2) used in the process of connecting an AB tension frame and a herringbone door body. The wedge block 50 is a mounting surface except the top surface and the bottom surface; therefore, accurate installation needs to be performed by means of various hoisting tools during installation, and the hoisting device is specially used for hoisting the wedge blocks 50. Of course, the spreader apparatus of the present invention may be used in other similar scenarios.
As shown in fig. 1 and 2, the wedge 50 is a right-angled trapezoidal body, one side surface of which is a semicircular curved surface, and the other side surface of which is an inclined curved surface, and a stepped hole is formed along the length direction thereof, and the central axis of the stepped hole is coaxial with the central axis of the semicircular curved surface.
As shown in fig. 3, the spreader apparatus includes a vertically arranged screw bar 4, and an upper spreader 1 and a lower spreader 2 respectively installed at both ends of the screw bar 4.
The upper lifting appliance 1 comprises a clamping plate 13, the clamping plate 13 is vertically arranged at the top end of the screw rod 4, and the clamping plate 13 is detachably connected to the screw rod 4. The top surface of the clamping plate 13 is provided with a handle 14 for hoisting, the handle 14 is provided with a hoisting groove 12, and the inner wall of the hoisting groove 12 is of a circular arc structure. The lower spreader 2 comprises a support plate 21, the support plate 21 being parallel to the clamp plate 13 and detachably connected to the bottom end of the threaded rod 4.
When the wedge 50 is hoisted, the screw 4 passes through the stepped hole, the axis of the screw 4 coincides with the axis of the stepped hole, and the wedge 50 is clamped between the support plate 21 and the clamp plate 13. The clamp plate 13 abuts the top surface of the wedge 50 and the support plate 21 abuts the bottom surface of the wedge 50.
At this time, the perpendicular line in which the center of gravity of the wedge 50 is located passes through the arc center of the hoist pocket 12 (the weight of the spreader apparatus is negligible with respect to the weight of the wedge 50).
Specifically, the handle 14 is a strip, which is divided into three sections, namely a left section, a middle section and a right section, wherein the middle section is parallel to the clamping plate 13, the left section and the right section are both inclined, two ends of the left section are respectively fixed on one end of the middle section and the clamping plate 13, and two ends of the right section are respectively fixed on the other end of the middle section and the clamping plate 13. The intersection of the right section and the middle section is provided with a hoisting groove 12 towards one side of the clamping plate 13, and the inner wall of the hoisting groove 12 is arc-shaped. In the actual hoisting process, the shackle is buckled on the hoisting groove 12, and the steel wire rope is connected to the shackle and hoisted by a crane.
Specifically, the clamping plate 13 and the supporting plate 21 are provided with through holes with the same size at the centers, and one end of the screw rod 4 is provided with a head with an outer diameter larger than the diameter of the through hole. The screw rod 4 passes through the through hole of the clamping plate 13 and the through hole of the supporting plate 21, and the head of the screw rod 4 faces downwards and is positioned below the supporting plate 21. The top end of the screw rod 4 is fixed above the clamping plate 13 through a nut 7.
In this embodiment, the clamping plate 13 and the supporting plate 21 are both circular plates, and a through hole is opened at the center of each circular plate. In other embodiments, the clamping plate 13 and the supporting plate 21 may also be rectangular plates.
As shown in fig. 4, the supporting plate 21 is formed by stacking two coaxial upper circular plates and lower circular plates, the outer diameter of the upper circular plate is smaller than the inner diameter of the lower section of the stepped hole, and the upper circular plate is positioned in the lower section of the stepped hole; the outer diameter of the lower circular plate is larger than the inner diameter of the lower section of the stepped hole, and the lower circular plate is located at the bottom of the wedge block 50 and used for supporting the wedge block 50. Preferably, the upper circular plate and the lower circular plate are connected by welding.
Further, the lower hanger 2 further comprises a long nut welded on the upper surface of the upper circular plate, the axis of the long nut is coaxial with the central line of the upper circular plate, and a section of the screw rod 4 adjacent to the head is in threaded connection with the long nut. On the basis that the screw rod 4 passes through the through hole of the clamping plate 13 and the through hole of the supporting plate 21, and the top end of the screw rod 4 fixes the screw rod 4 above the clamping plate 13 through the nut 7; the long nut is added, so that the connection length of the screw rod 4 is effectively increased, the connection stability of the screw rod 4 is enhanced, the radial offset of the screw rod 4 can be restrained better, and the wedge block 50 with larger weight can be borne.
Preferably, the outer ring of the long nut is sleeved with cylindrical anti-collision rubber 6, the outer diameter of the anti-collision rubber 6 is smaller than the inner diameter of the lower section of the stepped hole, and the lower end face of the anti-collision rubber 6 is tightly attached to the upper circular plate; the outer ring of the anti-collision rubber 6 is not in contact with the inner wall of the lower section of the stepped hole, and is mainly used for isolating the long nut from the inner wall of the lower section of the stepped hole and preventing the long nut from being in rigid contact with the inner wall to damage the inner wall. Especially, in the installation process, the anti-collision rubber 6 can effectively protect the inner surface of the lower section of the stepped hole.
Preferably, the outer ring of the long nut is further sleeved with a circlip 5, the circlip 5 is fixed relative to the long nut, the circlip 5 is tightly attached to the top surface of the anti-collision rubber 6, the circlip 5 is clamped between the self and an upper circular plate of the supporting plate 21, and the anti-collision rubber 6 is prevented from moving up and down.
In this embodiment, the upper spreader 1 further includes an extrusion head disposed on the lower surface of the clamp plate 13, the extrusion head is an inverted circular truncated cone housing, and the upper and lower ends of the inverted circular truncated cone housing are open.
The screw rod 4 is further sleeved with a clamping plate 41, the clamping plate 41 is located in the upper section of the stepped hole, and the outer diameter of the clamping plate 41 is smaller than the minimum inner diameter of the stepped hole. The lower end face of the extrusion head abuts against the upper surface of the clamping plate 41, the screw rod 4 penetrates through the extrusion head, and the axis of the extrusion head is overlapped with the axis of the screw rod 4. Preferably, the catch plate 41 is detachably connected to the screw 4.
As shown in fig. 4, in the present embodiment, the handle 14 further has a circular arc-shaped detachment groove 11; the disassembly groove 11 and the hoisting groove 12 have the same size and shape. When the steel wire rope is hung in the dismounting groove 11 through the shackle and the upper lifting appliance 1 is dismounted, the vertical line of the gravity center of the upper lifting appliance 1 passes through the arc center of the dismounting groove 11 and is superposed with the axis of the stepped hole. In the dismounting process, the upper lifting appliance 1 is ensured to be always in a vertical state, and the extrusion head is prevented from damaging the inner wall of the upper section of the stepped hole.
Preferably, the extrusion head is further sleeved with damping rubber 3, the damping rubber 3 is cylindrical, and an inverted circular truncated cone hole for accommodating the extrusion head is formed in the middle of the damping rubber 3; the top surface and the bottom surface of the cushion rubber 3 respectively abut against the lower surface of the clamping plate 13 and the upper surface of the clamping plate 41.
The working principle of the embodiment of the invention is as follows:
1. when hoisting, the steps are as follows:
welding the supporting plate 21 and the long nut to form a lower lifting appliance, and welding and connecting the clamping plate 13, the handle 14 and the extrusion head to form an upper lifting appliance;
the lower lifting appliance is provided with a bump-proof rubber 6 and an elastic retainer ring 5;
mounting a lower lifting appliance with a bump-proof rubber 6 and an elastic check ring 5 to the wedge block 50;
penetrating the screw rod 4 from bottom to top until the head of the screw rod 4 is tightly attached to the supporting plate 21;
mounting a clamping plate 41 and placing the damping rubber 3;
installing an upper lifting appliance, wherein the screw rod 4 penetrates through a clamping plate 13 of the upper lifting appliance, and the top end of the screw rod 4 is fixed above the clamping plate 13 through a nut 7;
the hoisting groove 12 is connected by a wire rope through a shackle, and the wedge 50 is always in a vertical state because a vertical line of the center of gravity of the wedge 50 passes through the arc center of the hoisting groove 12.
2. When dismantling, the steps are as follows:
unscrewing a nut 7 at the top end of the screw rod 4;
integrally removing the screw 4 with the clamping plate 41 and the damping rubber 3 and the lower lifting appliance with the anti-knocking rubber 6 and the elastic check ring 5 from the lower part;
the steel wire rope is connected with the dismounting groove 11 through the shackle, and the vertical line of the gravity center of the upper lifting appliance 1 passes through the arc center of the dismounting groove 11, so that the upper lifting appliance is always in a vertical state in the lifting process, the extrusion head cannot collide with the inner wall of the stepped hole, and the mounting surface of the stepped hole is effectively protected.
When the lifting appliance device lifts the wedge block through the lifting groove, the perpendicular line of the gravity center of the wedge block passes through the arc center of the lifting groove, so that the wedge block is always in a vertical state in the lifting process, the mounting surface of the wedge block is effectively protected, the problem of abrasion of the mounting surface of the wedge block is effectively avoided, the construction quality and efficiency are improved, and the practicability is high.
The same is true in the dismounting process after the hoisting is finished, and the vertical line of the gravity center of the upper lifting appliance passes through the arc center of the dismounting groove and is superposed with the axis of the stepped hole; in the dismounting process, the upper lifting appliance is ensured to be always in a vertical state, the extrusion head is prevented from damaging the inner wall of the upper section of the stepped hole, and the mounting surface of the stepped hole of the wedge block is protected.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.

Claims (8)

1. A spreader device for lifting wedges, said wedges (50) being provided with a stepped bore along their length, characterized in that the spreader device comprises:
a vertically arranged screw (4);
the upper lifting appliance (1) comprises a clamping plate (13) vertically arranged at the top end of a screw rod (4), the clamping plate (13) is detachably connected to the screw rod (4), a handle (14) for lifting is arranged on the top surface of the clamping plate (13), the handle (14) is provided with a lifting groove (12), and the inner wall of the lifting groove (12) is of an arc-shaped structure;
a lower spreader (2) comprising a support plate (21), the support plate (21) being parallel to the clamping plate (13) and being detachably connected to the bottom end of the threaded rod (4);
during hoisting, the screw (4) penetrates through the stepped hole, and the axis of the screw (4) is superposed with the axis of the stepped hole; the wedge block (50) is clamped between the supporting plate (21) and the clamping plate (13), and a vertical line of the gravity center of the wedge block (50) passes through the arc center of the hoisting groove (12);
the upper lifting appliance (1) further comprises an extrusion head arranged on the lower surface of the clamping plate (13), and the extrusion head is an inverted circular truncated cone shell with openings at two ends;
the screw (4) is further sleeved with a clamping plate (41), the clamping plate (41) is located in the upper section of the stepped hole, the lower end face of the extrusion head abuts against the upper surface of the clamping plate (41), the screw (4) penetrates through the extrusion head, and the axis of the extrusion head is overlapped with the axis of the screw (4);
the handle (14) is also provided with a circular arc-shaped detaching groove (11); when the lifting appliance is disassembled, the vertical line of the gravity center of the upper lifting appliance (1) passes through the arc center of the disassembling groove (11) and is superposed with the axis of the stepped hole.
2. A spreader device for lifting wedges as claimed in claim 1, in which: the through-hole of the same size has all been seted up in the center department of splint (13) and layer board (21), the one end of screw rod (4) has the head that the external diameter is greater than the through-hole diameter, screw rod (4) pass the through-hole of splint (13) and layer board (21), the head is located layer board (21) below, screw rod (4) top is fixed in splint (13) top through nut (7).
3. A spreader device for lifting wedges as claimed in claim 2, in which: the clamping plate (13) and the supporting plate (21) are both circular plates.
4. A spreader device for lifting wedges as claimed in claim 3, wherein: the supporting plate (21) is formed by superposing two coaxial upper circular plates and lower circular plates, the outer diameter of each upper circular plate is smaller than the inner diameter of the lower section of the stepped hole, and the upper circular plates are positioned in the lower sections of the stepped holes; the outer diameter of the lower circular plate is larger than the inner diameter of the lower section of the stepped hole, and the lower circular plate is positioned at the bottom of the wedge block (50).
5. A spreader device for lifting wedges as claimed in claim 4, in which: the lower lifting appliance (2) further comprises a long nut, the long nut is welded on the upper surface of the upper circular plate, the axis of the long nut is coaxial with the central line of the upper circular plate, and one section of the screw rod (4) adjacent to the head is in threaded connection with the long nut.
6. A spreader device for lifting wedges as claimed in claim 5, in which: the outer ring of the long nut is sleeved with cylindrical anti-collision rubber (6), the outer diameter of the anti-collision rubber (6) is smaller than the inner diameter of the lower section of the stepped hole, and the lower end face of the anti-collision rubber (6) is tightly attached to the upper circular plate.
7. A spreader device for lifting wedges as claimed in claim 6, in which: the outer ring of the long nut is further sleeved with an elastic check ring (5), and the elastic check ring (5) is fixedly arranged on the top surface of the anti-collision rubber (6).
8. A spreader device for lifting wedges as claimed in claim 1, in which: the extrusion head is also sleeved with damping rubber (3), the damping rubber (3) is cylindrical, and a conical hole for accommodating the extrusion head is formed in the middle of the damping rubber (3); the top surface and the bottom surface of the damping rubber (3) are respectively abutted against the lower surface of the clamping plate (13) and the upper surface of the clamping plate (41).
CN201911402935.1A 2019-12-30 2019-12-30 Lifting appliance device for lifting wedge block Active CN110963403B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911402935.1A CN110963403B (en) 2019-12-30 2019-12-30 Lifting appliance device for lifting wedge block

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Application Number Priority Date Filing Date Title
CN201911402935.1A CN110963403B (en) 2019-12-30 2019-12-30 Lifting appliance device for lifting wedge block

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CN110963403B true CN110963403B (en) 2021-08-24

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Publication number Priority date Publication date Assignee Title
CN114538280B (en) * 2022-02-28 2025-09-09 广东韶钢松山股份有限公司 Device for hoisting long-shaft vertical pump and hoisting method thereof

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JP2001050239A (en) * 1999-08-04 2001-02-23 Ihara Kogyo:Kk Hanging equipment
JP4548698B2 (en) * 2001-09-26 2010-09-22 哲朗 小林 Suspension method using drain hole such as box culvert with drain hole
CN203284062U (en) * 2013-06-17 2013-11-13 南车株洲电机有限公司 Motor iron core hoisting device
CN103552911B (en) * 2013-09-13 2016-11-09 中交第二航务工程勘察设计院有限公司 A kind of movable boom hoisting and the construction installation method of use thereof
CN105502147B (en) * 2014-09-26 2018-04-10 东风德纳车桥有限公司 Suspender for the lifting of cylindrical step hole workpiece
CN206051296U (en) * 2016-08-30 2017-03-29 上海宝田新型建材有限公司 A kind of taper roll bearing integral hoisting grip device
CN207258998U (en) * 2017-07-24 2018-04-20 江苏永昌高压电器有限公司 A kind of driving hanger
CN109132834B (en) * 2018-10-30 2020-10-09 江南造船(集团)有限责任公司 Hoisting tool for workpiece

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