CN111186765A - Lifting appliance and lifting assembly comprising same - Google Patents
Lifting appliance and lifting assembly comprising same Download PDFInfo
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- CN111186765A CN111186765A CN202010054362.4A CN202010054362A CN111186765A CN 111186765 A CN111186765 A CN 111186765A CN 202010054362 A CN202010054362 A CN 202010054362A CN 111186765 A CN111186765 A CN 111186765A
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- 230000000670 limiting effect Effects 0.000 claims abstract description 81
- 239000000725 suspension Substances 0.000 claims abstract description 8
- 239000004567 concrete Substances 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 20
- 238000005520 cutting process Methods 0.000 abstract description 7
- 238000005498 polishing Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 description 12
- 238000005728 strengthening Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a lifting appliance and a lifting assembly comprising the same, wherein the lifting appliance comprises: the lifting rod comprises a lifting part and a limiting part which are connected with each other, and the lifting part is used for being connected with lifting equipment; the embedded part comprises an embedded part body, the top of the embedded part body is provided with an opening, the inside of the embedded part body is provided with an accommodating cavity, the embedded part body is embedded in the part to be hoisted, the opening is communicated with the outside of the part to be hoisted and the accommodating cavity, and the suspension rod and the embedded part can be switched between a hoisting state and an unloading state; when the lifting device is in a lifting state, the limiting part is positioned in the accommodating cavity, and the accommodating cavity limits the limiting part to move upwards; when the embedded part is in an unloading state, the limiting part is separated from the embedded part. The lifting appliance is simple in structure, convenient to lift and low in manufacturing cost, cutting and polishing are not needed after lifting, labor cost is saved, the lifting rod can be repeatedly used, and manufacturing cost is saved.
Description
Technical Field
The invention relates to the technical field of lifting appliances, in particular to a lifting appliance and a lifting assembly comprising the same.
Background
The fabricated concrete structure is a concrete structure building which is designed and built in a field assembly mode by taking a reinforced concrete prefabricated part produced in a factory as a main part. Because the fabricated technology has the advantages of high construction speed, high production efficiency, less material loss, energy conservation, environmental protection and the like, the fabricated technology is gradually popularized in China, and the popularization rate of the fabricated concrete structure is further improved continuously. And in the production and assembly process, a lifting appliance is needed to lift the concrete member. In the prior art, lifting appliances such as embedded steel bar lifting rings, embedded nuts and embedded lifting rods are generally adopted to lift concrete members. However, after the hoisting of the hoisting ring is finished, the hoisting ring needs to be cut and a cutting surface needs to be polished, so that the working efficiency is influenced, and the labor cost is increased; the embedded nuts and the embedded hanging rods have special requirements on the bonding strength and the hoisting strength of the embedded nuts and the embedded hanging rods with concrete members, so the two types of hanging tools have complicated structures and production processes, high manufacturing cost and high production cost.
Disclosure of Invention
The invention aims to overcome the defects of complex structure and production process and high production cost of a lifting appliance of a concrete member in the prior art, and provides the lifting appliance and a lifting assembly comprising the same.
The invention solves the technical problems through the following technical scheme:
a spreader, characterized in that it comprises:
the lifting rod comprises a lifting part and a limiting part which are connected with each other, and the lifting part is used for being connected with lifting equipment;
the embedded part comprises an embedded part body, the top of the embedded part body is provided with an opening, the inside of the embedded part body is provided with an accommodating cavity, the embedded part body is embedded in the part to be hoisted, the opening is communicated with the outside of the part to be hoisted and the accommodating cavity, and the suspension rod and the embedded part can be switched between a hoisting state and an unloading state;
when the lifting device is in the lifting state, the limiting part is positioned in the accommodating cavity, and the accommodating cavity limits the limiting part to move upwards;
when the embedded part is in the unloading state, the limiting part is separated from the embedded part.
In this scheme, through setting up the opening with the top, the inside built-in fitting body that has the holding chamber is buried underground in treating the hoist and mount piece, and the spacing portion of jib can get into the holding intracavity from the opening, utilizes the inner wall in holding chamber to carry on spacingly to spacing portion to treat the hoist and mount piece and hoist. Compared with the embedded steel bar hanging ring, the hanger is detachable from the embedded part after the hanging is finished, and the cutting and polishing are not needed, so that the labor cost is saved; compared with the pre-buried nut and the pre-buried lifting ring, the lifting appliance can realize lifting only by enabling the lifting rod to enter the accommodating cavity from the opening, and can realize unloading by separating the lifting rod from the accommodating cavity after lifting.
Preferably, the opening is configured to allow the position-limiting part to pass through and enter the accommodating cavity, and the opening is further configured to limit the position-limiting part to pass through and leave the accommodating cavity after the position-limiting part is rotated in the accommodating cavity under the action of external force.
In the scheme, when the limiting part needs to enter, the direction of the limiting part is rotated to enter from the opening by using external force; after the limiting part enters the accommodating cavity, the relative position of the limiting part and the opening is changed through rotation, so that the limiting effect on the limiting part can be achieved; after the hoisting is finished, the limiting part is rotated again, so that the limiting part can leave the accommodating cavity from the opening, and the hanger rod and the embedded part are separated. In the hoisting and dismounting process, the connection and the separation of the suspender and the embedded part can be realized only by changing the position of the limiting part, so that the structure of the lifting appliance is simple, the requirement on the connection between the suspender and the embedded part is low, and the production cost can be further reduced.
Preferably, when the embedded part is in the hoisting state, the limiting part abuts against the top wall of the embedded part body.
In the scheme, the limit part is abutted against the top wall of the embedded part body to limit the relative movement of the limit part relative to the embedded part. By adopting the structure, the structure is simple, the hoisting is convenient, the hoisting is reliable, the manufacturing cost is low, and the cost is saved.
Preferably, the dimension of the limiting portion in the length direction is larger than the dimension of the opening in the width direction.
In this scheme, adopt above-mentioned structural style, when the length direction of spacing portion rotated to unanimous with open-ended width direction, prevent that spacing portion from breaking away from out the holding chamber from the opening part to realize jib and built-in fitting and treat the hoist and mount of hoist and mount piece. By adopting the form, the structure is simple, the hoisting is convenient, the manufacturing cost is low, and the cost is saved.
Preferably, a reinforcing rib is arranged in the top of the embedded part body and adjacent to the opening.
In this scheme, adopt above-mentioned structural style, be favorable to strengthening open-ended intensity, be favorable to improving the reliability of hoist and mount on the one hand, on the other hand is favorable to improving the bearing of hoist and mount to the weight scope that the feasible hoist can hoist and mount treating the hoist and mount piece is big.
Preferably, the embedded part further comprises an extension portion, the extension portion protrudes from the opening to the outside of the embedded part body, and the extension portion is provided with a cavity communicated with the opening.
In the scheme, the extension part is arranged, so that on one hand, when the embedded part body is embedded in the part to be hoisted, the opening of the embedded part body is prevented from being blocked; on the other hand, the deeper the depth of the extension part is, the deeper the embedded part body is embedded in the part to be hoisted, the hoisting weight of the hoisting tool can be further improved, and the application range is wider. And the extension sets up in the opening part, is favorable to strengthening the open-ended intensity, and then improves the reliability of hoist and mount.
Preferably, along the length direction of the opening, the length of the cavity is not less than the length of the opening; the width of the cavity is not less than the width of the opening along the width direction of the opening.
In the scheme, the structural form is adopted, so that on one hand, the opening of the embedded part body is prevented from being blocked when the embedded part body is embedded in the part to be hoisted; on the other hand, the limiting part can enter the accommodating cavity from the cavity of the extending part and the opening of the embedded part body.
Preferably, the dimension of the extension portion in the width direction is smaller than the dimension of the embedded part body in the width direction, and the dimension of the extension portion in the length direction is not larger than the dimension of the embedded part body in the length direction.
In this scheme, adopt above-mentioned structural style, be favorable to the built-in fitting body to spacing portion spacing on the one hand, on the other hand is favorable to increasing the surface area of built-in fitting body, and then improves the built-in fitting body and treats the bonding strength between the hoist and mount piece to improve the hoist and mount reliability of hoist.
Preferably, the extension part is perpendicular to the top surface of the embedded part body.
In this scheme, adopt above-mentioned structural style, the spacing portion of being convenient for gets into the holding intracavity.
Preferably, the limiting part comprises a limiting part and a connecting part, two ends of the connecting part are respectively connected to the limiting part and the hoisting part, the limiting part can enter the accommodating cavity from the opening, and the limiting part abuts against the top wall of the embedded part body after being rotated.
In the scheme, the connecting piece is arranged, so that on one hand, the deeper the limiting piece is relative to the end face of the piece to be hoisted, and the greater the hoisting strength is; on the other hand, the shape and the size of the connecting piece can be set according to the requirement to adapt to embedded parts with different specifications, so that the application range of the suspension rod is improved.
A hoisting component is characterized by comprising a to-be-hoisted piece and the hoisting tool, wherein the to-be-hoisted piece is a concrete member.
In this scheme, adopt above-mentioned structural style, be arranged in the concrete member with as above hoist, low in production cost lifts by crane the convenience, and is quick detachable, jib reuse in addition is favorable to reducing the cost of concrete hoist and mount.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows: according to the lifting appliance, the limiting part is rotated through external force to change the direction of the limiting part, so that the accommodating cavity limits the limiting part, and a piece to be lifted is lifted; or, the limiting part can leave the accommodating cavity from the opening, and the hanger rod and the embedded part are separated. By adopting the structure, the structure is simple, the hoisting is convenient, the manufacturing cost is low, the cutting and the polishing are not needed after the hoisting, the labor cost is saved, the suspender can be repeatedly used, and the manufacturing cost is saved. The lifting appliance is used for the concrete member, the production cost is low, the lifting is convenient, the lifting is easy to disassemble, the lifting rod can be repeatedly utilized, and the lifting cost of the concrete member is favorably reduced.
Drawings
Fig. 1 is a schematic structural diagram of a spreader according to a preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a boom in the spreader according to the preferred embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an embedded part in a spreader according to a preferred embodiment of the invention.
Figure 4 is a schematic structural view of a hoist assembly in accordance with a preferred embodiment of the present invention.
Description of reference numerals:
embedded part 10
Embedded part body 101
Hoisting part 201
Stopper 2022
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 4, the present embodiment provides a spreader, which includes: the hanging rod 20 comprises a hanging part 201 and a limiting part 202 which are connected with each other, and the hanging part 201 is used for being connected with a hanging device; the embedded part 10 comprises an embedded part body 101, the top of the embedded part body 101 is provided with an opening, the inside of the embedded part body 101 is provided with an accommodating cavity, the embedded part body 101 is embedded in a part to be hoisted, the opening is communicated with the outside of the part to be hoisted and the accommodating cavity, and the suspender 20 and the embedded part 10 can be switched between a hoisting state and an unloading state; when the lifting device is in a lifting state, the limiting part 202 is located in the accommodating cavity, and the accommodating cavity limits the limiting part 202 to move upwards; when in the unloaded state, the position-limiting portion 202 is separated from the embedment 10.
Wherein, through setting up the opening with the top, inside has built-in fitting body 101 in the holding chamber to bury underground in treating the hoist and mount piece, spacing portion 202 of jib 20 can get into the holding intracavity from the opening, utilizes the inner wall in holding chamber to carry on spacingly to spacing portion 202 to treat hoist and mount piece. Compared with the embedded steel bar hanging ring, the hanger has the advantages that the hanger rod 20 can be detached after the lifting is finished, cutting and polishing are not needed, and labor cost is saved; compared with the pre-buried nut and the pre-buried lifting ring, the lifting appliance can realize lifting only by enabling the lifting rod 20 to enter the accommodating cavity from the opening, and can realize unloading by separating the lifting rod 20 from the accommodating cavity after lifting.
It should be noted that the shapes of the embedded part body 101 and the accommodating cavity are not limited, for example, the external shape of the embedded part body 101 may be a square or a circle; the shape of the containing cavity can be square or round. The position and shape of the opening of the embedded part body 101 are not limited, and for example, the opening may be "T" shaped or "straight". Similarly, the shape of the position-limiting portion 202 is not limited as long as it can abut against the accommodating cavity and limit the upward movement of the suspension rod 20, and for example, the shape of the position-limiting portion 202 may be circular or other shapes. For example, when the limiting portion 202 is circular, one end of the opening may be circular and the other portion may be in a shape of a Chinese character 'yi', and the limiting portion 202 slides from the circular end portion into the accommodating cavity to the open-ended Chinese character 'yi', so that the limiting portion 202 can abut against the top of the accommodating cavity. In this embodiment, the opening is in the shape of a straight line, the position-limiting portion 202 is in the shape of a straight line, when the direction of the position-limiting portion 202 is consistent with the direction of the opening, the position-limiting portion 202 can enter the accommodating cavity from the opening, and then the position-limiting portion 202 is rotated until the position-limiting portion 202 is perpendicular to the direction of the opening, and the position-limiting portion 202 is limited by the accommodating cavity. By adopting the mode, the structure is simple, the processing is convenient, and the hoisting and the disassembly are easy.
As shown in fig. 3, the opening is configured to allow the position-limiting portion 202 to pass through and enter the receiving cavity, and the opening is further configured to limit the position-limiting portion 202 to pass through and leave the receiving cavity after the position-limiting portion 202 is rotated under the external force in the receiving cavity. When the embedded part is in a hoisting state, the limiting part 202 abuts against the top wall of the embedded part body 101. The dimension of the stopper 202 in the longitudinal direction is larger than the dimension in the opening width direction.
When the position-limiting part 202 needs to enter, the direction of the position-limiting part 202 is rotated to enter from the opening by using external force; after the limiting part 202 enters the accommodating cavity, the relative position of the limiting part 202 and the opening is changed through rotation, so that the limiting effect on the limiting part 202 can be achieved; after the hoisting is completed, the limiting part 202 is rotated again, so that the limiting part 202 can leave the accommodating cavity from the opening, and the hanger rod 20 is separated from the embedded part 10. In the hoisting and dismounting process, the connection and the separation of the suspender 20 and the embedded part 10 can be realized only by changing the position of the limiting part 202, so that the structure of the hoisting tool is simple, the requirement on the connection between the suspender 20 and the embedded part 10 is low, and the production cost can be further reduced. The size of the limiting part 202 in the length direction is larger than the size of the limiting part in the width direction of the opening, and when the length direction of the limiting part 202 rotates to be consistent with the width direction of the opening, the limiting part 202 is prevented from being separated from the accommodating cavity from the opening, so that the hanger rod 20 and the embedded part 10 can be hung on a part to be hung. By adopting the structure form, the structure is simple, the hoisting is convenient, the manufacturing cost is low, the cutting and the polishing are not needed after the hoisting, the labor cost is saved, and the suspender 20 can be repeatedly used, so that the manufacturing cost is saved.
Certainly, the position of the opening on the top wall of the embedded part body 101 is not limited, as long as the limiting portion 202 enters the accommodating cavity from the opening, and after the limiting portion 202 rotates by a certain angle, the limiting portion 202 abuts against the top wall of the accommodating cavity to limit the limiting portion 202 to move upwards, so that the hoisting function of the hanger rod 20 can be realized. In the present embodiment, the opening is provided at an intermediate position with respect to the embedment body 101, and a length direction of the opening coincides with a length direction of the embedment body 101.
Reinforcing ribs are arranged in the top of the embedded part body 101 at positions adjacent to the openings. Wherein, set up the strengthening rib at the opening part, be favorable to strengthening open-ended intensity, be favorable to improving the reliability of hoist and mount on the one hand, on the other hand is favorable to improving the bearing of hoist and mount to the weight scope of the piece of treating hoist and mount that the feasible hoist can hoist is big.
As shown in fig. 3, the embedded part 10 further includes an extension portion 102, the extension portion 102 protrudes from the opening to the outside of the embedded part body 101, and the extension portion 102 has a cavity 1021 communicating with the opening. The length of the cavity 1021 is no less than the length of the opening along the length direction of the opening; the width of the cavity 1021 is no less than the width of the opening in the width direction of the opening. The dimension of the extension 102 in the width direction is smaller than the dimension of the embedded part body 101 in the width direction, and the dimension of the extension 102 in the length direction is not larger than the dimension of the embedded part body 101 in the length direction. The extension 102 is perpendicular to the top surface of the embedment body 101.
The extension part 102 is arranged, so that on one hand, when the embedded part body 101 is embedded in the part to be hoisted, the opening of the embedded part body 101 is prevented from being blocked; on the other hand, the deeper the depth of the extension part 102 is, the deeper the embedded part body 101 is embedded in the part to be hoisted, so that the hoisting weight of the hoisting tool is improved, and the application range is wider. And extension 102 sets up in the opening part, is favorable to strengthening the open-ended intensity, and then improves the reliability of hoist and mount. The sizes of the cavity 1021 and the opening are in the structural form, so that on one hand, the opening of the embedded part body 101 is prevented from being blocked when the embedded part body 101 is embedded in the cavity 1021; on the other hand, the limiting part 202 can enter the accommodating cavity from the cavity 1021 of the extension part 102 and the opening of the embedded part body 101. The sizes of the extension part 102 and the embedded part body 101 adopt the above forms, so that the embedded part body 101 is favorable for limiting the limiting part 202, the surface area of the embedded part body 101 is increased, the bonding strength between the embedded part body 101 and the part to be hoisted is improved, and the hoisting reliability of the hoisting tool is improved. The extending portion 102 is perpendicular to the top of the embedded part body 101, so that when the limiting portion enters the accommodating cavity, the limiting portion is not interfered by the side wall of the accommodating cavity, and the limiting portion 202 is convenient to enter the accommodating cavity.
Of course, the form and position of the reinforcing beads are not limited. As will be understood by referring to fig. 3, in the present embodiment, the reinforcing rib and the extending portion 102 are provided in the same structure, that is, the extending portion 102 can not only reinforce the strength of the opening, but also prevent the opening from being blocked during the process of embedding the embedded part 10 in the part to be hoisted. In this embodiment, the embedded part body 101 and the extension part 102 form a hollow protruding box with an opening at the upper part, and the box is formed by welding a plurality of steel plates with the same thickness. In this embodiment, the embedded part 10 is a structural form of a "convex" box, the lower end of the "convex" box is an extended part 102 at the upper end of the "convex" box of the embedded part body 101, and the top end of the extended part 102 is flush with the end surface of the part to be hoisted. By adopting the structure, on one hand, the combination strength of the embedded part body 101 and the part to be hoisted is enhanced, and on the other hand, the hoisting strength of the part to be hoisted is enhanced. When the depth of the extension part 102 is deeper, the burial depth of the embedded part body 101 is deeper, and the hoisting weight of the hoisting tool can be increased. And adopt above-mentioned structural style, simple structure, the cost is low, and hoist and mount are convenient, and is quick detachable, need not coincide and polish the cutting plane after the hoist and mount, saves the cost.
As shown in fig. 2, the limiting portion 202 includes a limiting member 2022 and a connecting member 2021, two ends of the connecting member 2021 are respectively connected to the limiting member 2022 and the hoisting portion 201, the limiting member 2022 can enter the accommodating cavity from the opening, and the limiting member 2022 abuts against the top wall of the embedded part body 101 after being rotated. The connecting piece 2021 is arranged, so that on one hand, the limiting piece 2022 is deeper relative to the end face of the piece to be hoisted, and the hoisting strength is higher; on the other hand, the shape and size of the connecting member 2021 can be set as required to adapt to embedded parts 10 of different specifications, so as to improve the application range of the suspension rod 20.
Of course, the shapes of the limiting member 2022, the connecting member 2021 and the lifting portion 201 are not limited, and it will be understood by referring to fig. 2 that, in the present embodiment, the limiting member 2022 and the connecting member 2021 form a "T" shape, the thicknesses of the limiting member 2022, the connecting member 2021 and the lifting portion 201 are the same, and the lifting portion 201 is in the form of a lifting ring. When the direction of the stop 2022 on the suspension rod 20 is the same as the opening of the extending portion 102 in the shape of the letter "convex", the stop 2022 of the suspension rod 20 enters the accommodating cavity in the shape of the letter "convex" from the opening of the extending portion 102, and the connecting member 2021 is inserted into the cavity 1021 of the extending portion 102 and can rotate in the cavity 1021 of the extending portion 102 under the action of external force. When the hoisting part 201 rotates, the connecting part can rotate in the cavity 1021 of the extension part 102 to enable the limiting part 202 to be abutted against the top wall of the accommodating cavity of the convex embedded part 10 after the direction is changed, at the moment, the suspender 20 is limited by the embedded part 10, namely the suspender 20 is connected with the embedded part 10, the hanger is in a hoisting state, and the part to be hoisted can be hoisted after the hoisting part 201 is connected with hoisting equipment. After the hoisting is finished, the hoisting part 201 is detached from the hoisting equipment, and then the hoisting part 201 is rotated again, so that the connecting member 2021 and the limiting member 2022 are rotated, and the limiting member 2022 is rotated to be consistent with the opening direction, and the suspender 20 can be separated from the embedded part 10.
As shown in fig. 4, the embodiment further provides a hoisting assembly, which includes a to-be-hoisted piece and the hoisting tool, where the to-be-hoisted piece is a concrete member 30. The lifting appliance is used for the concrete member 30, production cost is low, lifting is convenient, the lifting appliance is easy to disassemble, and the lifting rod 20 can be repeatedly used, so that the lifting cost of the concrete member is reduced. In the present embodiment, the embedment 10 of the hanger is embedded inside the concrete member 30, and the opening of the embedment 10 is flush with the end surface of the concrete member 30.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (11)
1. A spreader, characterized in that it comprises:
the lifting rod comprises a lifting part and a limiting part which are connected with each other, and the lifting part is used for being connected with lifting equipment;
the embedded part comprises an embedded part body, the top of the embedded part body is provided with an opening, the inside of the embedded part body is provided with an accommodating cavity, the embedded part body is embedded in the part to be hoisted, the opening is communicated with the outside of the part to be hoisted and the accommodating cavity, and the suspension rod and the embedded part can be switched between a hoisting state and an unloading state;
when the lifting device is in the lifting state, the limiting part is positioned in the accommodating cavity, and the accommodating cavity limits the limiting part to move upwards;
when the embedded part is in the unloading state, the limiting part is separated from the embedded part.
2. The spreader of claim 1, wherein the opening is configured to allow the restraint portion to pass through and into the receiving cavity, and the opening is further configured to restrict the restraint portion from passing through and out of the receiving cavity after the restraint portion is rotated under an external force within the receiving cavity.
3. The spreader of claim 2, wherein the limiting portion abuts against a top wall of the embedment body when in the hoisting state.
4. The spreader according to claim 2, wherein the dimension in the length direction of the stopper portion is larger than the dimension in the width direction of the opening.
5. The spreader of claim 1, wherein reinforcing ribs are provided in the top of the embedment body adjacent to the opening.
6. The spreader of claim 1, wherein the embedment further includes an extension projecting from the opening to an exterior of the embedment body, the extension having a cavity therein in communication with the opening.
7. The spreader of claim 6, wherein the length of the cavity is not less than the length of the opening along the length of the opening; the width of the cavity is not less than the width of the opening along the width direction of the opening.
8. The spreader of claim 6, wherein the extension has a dimension in the width direction that is less than a dimension in the width direction of the embedment body, and wherein the extension has a dimension in the length direction that is no greater than the dimension in the length direction of the embedment body.
9. The spreader of claim 6, wherein the extensions are perpendicular to a top surface of the embedment body.
10. The lifting appliance according to claim 1, wherein the limiting portion comprises a limiting member and a connecting member, two ends of the connecting member are respectively connected to the limiting member and the lifting portion, the limiting member can enter the accommodating cavity from the opening, and the limiting member abuts against the top wall of the embedded part body after being rotated.
11. Hoisting assembly, characterized in that it comprises an item to be hoisted, which is a concrete element, and a hoisting tool according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010054362.4A CN111186765A (en) | 2020-01-17 | 2020-01-17 | Lifting appliance and lifting assembly comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010054362.4A CN111186765A (en) | 2020-01-17 | 2020-01-17 | Lifting appliance and lifting assembly comprising same |
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| CN111186765A true CN111186765A (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010054362.4A Pending CN111186765A (en) | 2020-01-17 | 2020-01-17 | Lifting appliance and lifting assembly comprising same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112456301A (en) * | 2020-11-27 | 2021-03-09 | 上海宝冶集团有限公司 | Prefabricated shear wall, prefabricated shear wall lifting appliance and lifting method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0725582A (en) * | 1993-07-14 | 1995-01-27 | Kyoji Takami | Concrete product with hole for lifting movement |
| CN104692227A (en) * | 2015-02-15 | 2015-06-10 | 建研科技股份有限公司 | Steel mesh lifting appliance and lifting method of steel mesh |
| CN207551706U (en) * | 2017-11-25 | 2018-06-29 | 张生昊 | A kind of hanging apparatus of building prefabrication wallboard |
| CN209815506U (en) * | 2019-05-10 | 2019-12-20 | 周兆弟 | Hoisting part of prefabricated part |
| CN211470538U (en) * | 2020-01-17 | 2020-09-11 | 上海公路桥梁（集团）有限公司 | Lifting appliance and lifting assembly comprising same |
-
2020
- 2020-01-17 CN CN202010054362.4A patent/CN111186765A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0725582A (en) * | 1993-07-14 | 1995-01-27 | Kyoji Takami | Concrete product with hole for lifting movement |
| CN104692227A (en) * | 2015-02-15 | 2015-06-10 | 建研科技股份有限公司 | Steel mesh lifting appliance and lifting method of steel mesh |
| CN207551706U (en) * | 2017-11-25 | 2018-06-29 | 张生昊 | A kind of hanging apparatus of building prefabrication wallboard |
| CN209815506U (en) * | 2019-05-10 | 2019-12-20 | 周兆弟 | Hoisting part of prefabricated part |
| CN211470538U (en) * | 2020-01-17 | 2020-09-11 | 上海公路桥梁（集团）有限公司 | Lifting appliance and lifting assembly comprising same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112456301A (en) * | 2020-11-27 | 2021-03-09 | 上海宝冶集团有限公司 | Prefabricated shear wall, prefabricated shear wall lifting appliance and lifting method thereof |
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