CN209740500U - Lifting device for building site - Google Patents
Lifting device for building site Download PDFInfo
- Publication number
- CN209740500U CN209740500U CN201920359268.2U CN201920359268U CN209740500U CN 209740500 U CN209740500 U CN 209740500U CN 201920359268 U CN201920359268 U CN 201920359268U CN 209740500 U CN209740500 U CN 209740500U
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- China
- Prior art keywords
- piece
- hook
- lifting device
- top end
- upper hinge
- Prior art date
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- Expired - Fee Related
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model relates to a lifting device for construction sites, which comprises a lifting device output end, a hook piece, a connecting piece, a locking piece, an upper hinged plate and a lower hinged plate; the bottom end of the hook piece is fixedly provided with a hook body; the top end of the connecting piece is fixedly provided with a connecting ring which is fixedly connected with the output end of the lifting device; the hook piece is arranged between the connecting piece and the locking piece; the middle part of the hook piece, the top end of the connecting piece and the top end of the locking piece are all provided with upper hinge holes; the upper hinge plate is respectively hinged with the upper hinge hole of the hook piece, the upper hinge hole of the connecting piece and the upper hinge hole of the locking piece. The utility model can safely drive the hanging piece to safely lift and move; and the hanging piece is convenient to disassemble; the hanging hook body can be prevented by the locking piece, the hanging basket hook cannot slide off the hanging hook body, and the safety is high; the locking piece does not need to be moved upwards by hands, so that the hanging piece is convenient to disassemble.
Description
Technical Field
The utility model relates to a lifting device for building site.
Background
At present, the traditional lifting devices used on building sites lift the hanging pieces through lifting hooks (generally in the shape of inverted question marks) to lift the hanging pieces. However, the environment of the construction site is complex, and when the lifting device lifts the hanging piece to drive the hanging piece to lift and move, the hanging piece may shake due to wind or inertia and other factors, so that a safety accident that the hanging piece falls down is sometimes caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model aims to provide a lifting device for a construction site, which can safely drive a lifting piece to safely lift and move; and facilitates the removal of the hanger.
The utility model discloses the detailed technical scheme who takes does: the lifting device for the construction site comprises a lifting device output end, a hook piece, a connecting piece, a locking piece, an upper hinged plate and a lower hinged plate; the bottom end of the hook piece is fixedly provided with a hook body; the top end of the connecting piece is fixedly provided with a connecting ring which is fixedly connected with the output end of the lifting device; the hook piece is arranged between the connecting piece and the locking piece; the middle part of the hook piece, the top end of the connecting piece and the top end of the locking piece are all provided with upper hinge holes; the upper hinge plate is respectively hinged with the upper hinge hole of the hook piece, the upper hinge hole of the connecting piece and the upper hinge hole of the locking piece; the bottom end of the hook piece, the middle part of the connecting piece and the middle part of the locking piece are provided with lower hinge holes; the lower hinge plate is respectively hinged with the lower hinge hole of the hook piece, the lower hinge hole of the connecting piece and the lower hinge hole of the locking piece; the bottom end of the locking piece is propped against the hook body.
Furthermore, the top end of the hook member and the middle part of the hook member are both provided with limit stops in a horizontally extending mode, the connecting piece is provided with a limited displacement block in a horizontally extending mode, and the limited displacement block is located between the limit stops at the top end of the hook member and the limit stops at the middle part of the hook member.
The upward moving height of the locking piece can be limited, the locking piece is prevented from moving excessively upwards, and the strength of the lifting device for the construction site can be ensured.
Further, the safety device is further included; the safety device comprises a safety base and a bolt; the safety base is fixed on the upper hinged plate, and the bolt penetrates through the safety base and the bottom end of the upper hinged plate and abuts against the displacement limiting block.
The hanging hook body can be prevented by the locking piece, the hanging basket hook can not slide off the hanging hook body, and the safety is further improved.
Furthermore, the safety device also comprises a puller bolt, and the safety base is provided with a puller bolt hole; the jacking bolt is screwed into the jacking bolt hole to prop against the bolt.
The hanging hook body can be prevented by the locking piece, the hanging basket hook can not slide off the hanging hook body, and the safety is further improved.
Furthermore, the top end of the connecting piece is bent towards the hook body to form an extension arm, and the projection of the axis of the connecting ring on the hook body is completely positioned in the hook body.
The balance of the lifting device and the hanging piece for the construction site can be ensured, and the safety is high.
Furthermore, a groove with a segment-shaped section is arranged on the top end surface of the hook body in a downward extending mode, and the axis of the groove and the axis of the connecting ring are both in a vertical plane.
The device can ensure that the acting force of the hanging basket hook on the hook body coincides with the axis of the connecting ring, thereby ensuring the balance of the lifting device and the hanging piece for the construction site and being safer.
Furthermore, the hook piece is horizontally provided with an upper hook block in an extending mode, and the upper hook block is located above the hook body.
The hanging basket hook is completely isolated from the outside and cannot slip off from the hook body, so that the safety can be further improved.
Further, still include reset spring, all be provided with the spring holder on extension arm, the couple piece, reset spring's both ends are articulated with the spring holder of extension arm, the spring holder of couple piece respectively.
The locking piece does not need to be moved upwards by hands, so that the hanging piece is convenient to disassemble.
Furthermore, the upper hinge plate and the lower hinge plate are both two, the two upper hinge plates are respectively positioned on two sides of the hook member, and the two lower hinge plates are respectively positioned on two sides of the hook member.
In order to improve the utility model discloses a lifting device for building site's bulk strength.
Compared with the prior art, the utility model discloses following beneficial effect has: 1) the lifting piece can be safely driven to safely lift and move; and the hanging piece is convenient to disassemble; 2) the hanging hook body can be prevented by the locking piece, the hanging basket hook cannot slide off the hanging hook body, and the safety is high; 3) the locking piece does not need to be moved upwards by hands, so that the hanging piece is convenient to disassemble.
Drawings
Fig. 1 is a schematic perspective view of a lifting device for a construction site of the present invention.
Fig. 2 is an enlarged schematic view at i of fig. 1.
Fig. 3 is an enlarged side view at i of fig. 1.
Fig. 4 is an enlarged cross-section at point i of fig. 1 [ cut along the side of hook member 2 ]. In fig. 3, the construction site lifting device is in a lifted state, and the heavy solid arrow indicates the direction of the gravity of the construction workpiece W.
Fig. 5 is an enlarged cross-section at point i of fig. 1 [ cut along the side of hook member 2 ]. . In fig. 4, the construction site elevator is in an open state, a thick solid arrow indicates a moving direction of the engaging piece 3 with respect to the hook member 2 when the construction site elevator is changed to the open state, and a thick broken arrow indicates a moving direction of the locking piece 4 with respect to the hook member 2 when the construction site elevator is changed to the open state.
Fig. 6 is a schematic view of section ii-ii of fig. 4.
An output end 1 of the lifting device; a hook member 2; a hook body 21; a limit stop 22; a hook upper block 23; a connecting member 3; a connecting ring 31; an extension arm 32; a displacement limiting block 33; a locking member 4; an upper hinge plate 5; an upper hinge hole 51; a lower hinge plate 6; a lower hinge hole 61; a safety device 7; a fuse base 71; a latch 72; tightening the bolt hole 73; the jack bolt 74; a return spring 8; a spring seat 81; a hanger 9; a hanging basket hook 91; a lifting rope 92; a hanger plate 93; and building the workpiece W.
Detailed Description
The technical solution of the present invention will be described below with reference to the accompanying drawings of the present invention.
The utility model discloses a lifting device for building site, it includes lifting device output 1, hook piece 2, connecting piece 3, locking piece 4, goes up articulated slab 5 and articulated slab 6 down. The output 1 of the lifting device is typically the output of a lifting rope of a crane, a chain of an electric hoist or the like for lifting a work piece.
The bottom end of the hook 2 is fixedly provided with a hook body 21.
The top end of the connecting piece 3 is fixedly provided with a connecting ring 31, and the connecting ring 31 is fixedly connected with the output end 1 of the lifting device.
The hook member 2 is disposed between the link member 3 and the locking member 4.
The middle part of the hook piece 2, the top end of the connecting piece 3 and the top end of the locking piece 4 are all provided with upper hinge holes 51; the upper hinge plate 5 is hinged to the upper hinge hole 51 of the hook member 2, the upper hinge hole 51 of the connecting member 3, and the upper hinge hole 51 of the locking member 4, respectively [ by a pin, a bolt, or the like in a conventional manner ].
The bottom end of the hook piece 2, the middle part of the connecting piece 3 and the middle part of the locking piece 4 are provided with lower hinge holes 61; the lower hinge plate 6 is hinged to the lower hinge hole 61 of the hook member 2, the lower hinge hole 61 of the connecting member 3, and the lower hinge hole 61 of the locking member 4, respectively [ hinged by a pin, a bolt, or the like in a conventional manner ].
The bottom end of the locking member 4 abuts against the hook body 21.
The utility model discloses a elevating gear for building site's theory of operation does: when the building workpiece W needs to be disassembled, the lifting device (not shown in the attached drawing) is controlled to enable the output end 1 of the lifting device to move downwards until a hanging plate 93 for placing the building workpiece W is contacted with the ground, the output end 1 of the lifting device continues to move downwards for a short distance and stops, at the moment, the hook body 21 only bears the gravity of the hanging basket hook 91 in the hanging piece 9, the hanging basket hook 91 is taken down from the hook body 21 after the locking piece 4 is moved upwards by overcoming the gravity of the hanging basket hook 91 by hand, at the moment, the lifting device for the building site is in an open state, and the hanging piece 9 is convenient to disassemble.
When a building workpiece W needs to be lifted, the hanging basket hook 91 is hung on the hook body 21, then the lifting device (not shown in the attached drawing) is controlled to enable the output end 1 of the lifting device to move upwards until the gravity of the lifting piece 9 is borne by the hook body 21, the output end 1 of the lifting device continues to move upwards, the hook piece 2 stops moving due to the gravity of the lifting piece 9, the connecting piece 3 moves upwards under the driving of the output end 1 of the lifting device, the locking piece 4 moves downwards until the bottom end of the locking piece 4 abuts against the hook body 21, the connecting piece 3 is fixed relative to the hook piece 2, the output end 1 of the lifting device moves upwards, and the lifting piece 9 can be lifted; at this time, the lifting device for construction site is in a lifting state, the hook body 21 is blocked by the locking member 4, the basket hook 91 cannot slide off the hook body 21, and the lifting device output end 1 can drive the lifting member 9 to safely lift and move as long as the lifting plate 93 for placing the construction workpiece W is not in contact with the ground.
It can be seen from the above that, the lifting device for the construction site of the utility model can safely drive the lifting piece 9 to safely lift and move; and facilitates the removal of the suspension 9.
Further, the top end of the hook member 2 and the middle part of the hook member 2 are both provided with limit stops 22 in a horizontally extending mode, the connecting piece 3 is provided with a limited displacement block 33 in a horizontally extending mode, and the limited displacement block 33 is located between the limit stops 22 at the top end of the hook member 2 and the limit stops 22 at the middle part of the hook member 2. Normally, the displacement limiter 33 is coated with the lubricant to ensure that the displacement limiter 33 can move smoothly. When elevating gear for the building site is open mode, spacing piece 33 that moves supports the limit stop 22 at the middle part of hook piece 2, can restrict the upward moving height of locking piece 4, prevent that locking piece 4 from upwards moving excessively, when elevating gear for the building site is lift mode, spacing piece 33 that moves supports the limit stop 22 on hook piece 2's top, make limit stop 22 bear the gravity of piece 9 that hangs, can guarantee elevating gear for the building site's intensity.
Furthermore, the lifting device for the construction site of the utility model also comprises a safety device 7; the safety device 7 comprises a safety base 71 and a bolt 72; the safety base 71 is fixed on the upper hinge plate 5, and the bolt 72 passes through the safety base 71 and the upper hinge plate 5 to abut against the bottom end of the displacement limiting block 33. When the output end 1 of the lifting device needs to drive the hanging piece 9 to safely lift and move, the bolt 72 penetrates through the safety base 71 and the upper hinged plate 5 to abut against the bottom end of the limiting displacement block 33, so that the limiting displacement block 33 cannot move up and down, the hook body 21 can be prevented by the locking piece 4, the hanging basket hook 91 cannot slide off the hook body 21, and the safety is further improved.
Further, the safety device 7 further comprises a tightening bolt 74, and the safety base 71 is provided with a tightening bolt hole 73; the tightening bolt 74 is screwed into the tightening bolt hole 73 and abuts against the bolt 72. When the lifting device output end 1 needs to drive the hanging piece 9 to safely lift and move, the bolt 72 penetrates through the safety base 71 and the bottom end of the upper hinged plate 5 abutting against the displacement limiting block 33, the tightening bolt 74 is screwed into the tightening bolt hole 73 to abut against the bolt 72, the bolt 72 can be prevented from sliding out of the safety base 71 due to factors such as vibration and the like, the displacement limiting block 33 can not move up and down, the hook body 21 is prevented from being blocked by the locking piece 4, and the hanging basket hook 91 can not slide off the hook body 21, so that the safety is further improved.
Further, the top end of the connecting member 3 is bent toward the hook body 21 to form an extension arm 32, and the projection of the axis of the connecting ring 31 on the hook body 21 is completely located in the hook body 21. When the lifting device output end 1 drives the lifting piece 9 to safely lift and move, the acting force of the hanging basket hook 91 on the hook body 21 is superposed with or close to the axis of the connecting ring 31, so that the balance of the lifting device for the construction site and the lifting piece 9 can be ensured, and the lifting device is safe.
Further, a groove (not shown in the drawings) with a segment-shaped section is arranged on the top end surface of the hook body 21 in a downward extending manner, and the axis of the groove and the axis of the connecting ring 31 are both in a vertical plane. When the lifting device output end 1 drives the lifting piece 9 to safely lift and move, the acting force of the hanging basket hook 91 on the hook body 21 can be ensured to coincide with the axis of the connecting ring 31, so that the balance of the lifting device for the construction site and the lifting piece 9 can be ensured, and the lifting device is safe.
Further, the hook member 2 is provided with a hook upper block 23 extending horizontally, and the hook upper block 23 is located above the hook body 21. The basket hook 91 is completely isolated from the outside and cannot slip off from the hook body 21, so that the safety can be further improved.
Further, the utility model discloses a lifting device for building site still includes reset spring 8, all is provided with spring holder 81 on extension arm 32, the couple upper segment 23, and reset spring 8's both ends are articulated with spring holder 81 of extension arm 32, the spring holder 81 of couple upper segment 23 respectively. When the building workpiece W needs to be disassembled, the lifting device (not shown in the attached drawing) is controlled to enable the output end 1 of the lifting device to move downwards until a hanging plate 93 for placing the building workpiece W is contacted with the ground, the output end 1 of the lifting device continues to move downwards for a short distance and stops, at the moment, the hook body 21 only bears the gravity of a hanging basket hook 91 in a hanging piece 9, the elastic force provided by the reset spring 8 overcomes the gravity of the hanging basket hook 91 to enable the locking piece 4 to move upwards, the locking piece 4 does not need to be moved upwards by hands, and the hanging piece 9 is convenient to disassemble.
Generally, two upper hinge plates 5 and two lower hinge plates 6 are provided, the two upper hinge plates 5 are respectively positioned at two sides of the hook member 2, and the two lower hinge plates 6 are respectively positioned at two sides of the hook member 2; in order to improve the utility model discloses a lifting device for building site's bulk strength.
It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present invention.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (9)
1. Elevating gear for building site, its characterized in that: the lifting device comprises a lifting device output end (1), a hook piece (2), a connecting piece (3), a locking piece (4), an upper hinged plate (5) and a lower hinged plate (6); a hook body (21) is fixedly arranged at the bottom end of the hook member (2); the top end of the connecting piece (3) is fixedly provided with a connecting ring (31), and the connecting ring (31) is fixedly connected with the output end (1) of the lifting device; the hook piece (2) is arranged between the connecting piece (3) and the locking piece (4); the middle part of the hook piece (2), the top end of the connecting piece (3) and the top end of the locking piece (4) are provided with upper hinge holes (51); the upper hinge plate (5) is respectively hinged with an upper hinge hole (51) of the hook piece (2), an upper hinge hole (51) of the connecting piece (3) and an upper hinge hole (51) of the locking piece (4); the bottom end of the hook piece (2), the middle part of the connecting piece (3) and the middle part of the locking piece (4) are provided with lower hinge holes (61); the lower hinge plate (6) is hinged with a lower hinge hole (61) of the hook piece (2), a lower hinge hole (61) of the connecting piece (3) and a lower hinge hole (61) of the locking piece (4) respectively; the bottom end of the locking piece (4) is propped against the hook body (21).
2. The elevating device for construction site as set forth in claim 1, wherein: the top end of the hook piece (2) and the middle part of the hook piece (2) are both provided with limit stops (22) in a horizontally extending mode, the connecting piece (3) is provided with a limited displacement block (33) in a horizontally extending mode, and the limited displacement block (33) is located between the limit stops (22) at the top end of the hook piece (2) and the limit stops (22) at the middle part of the hook piece (2).
3. The lifting device for construction sites as claimed in claim 2, wherein: also comprises a safety device (7); the safety device (7) comprises a safety base (71) and a bolt (72); the safety base (71) is fixed on the upper hinge plate (5), and the bolt (72) penetrates through the safety base (71) and the upper hinge plate (5) to abut against the bottom end of the displacement limiting block (33).
4. A lifting device for construction sites as claimed in claim 3, characterized in that: the safety device (7) further comprises a jacking bolt (74), and the safety base (71) is provided with a jacking bolt hole (73); the puller bolt (74) is screwed into the puller bolt hole (73) to prop against the bolt (72).
5. The elevating device for construction site as set forth in claim 4, wherein: the top end of the connecting piece (3) is bent towards the hook body (21) to form an extension arm (32), and the projection of the axis of the connecting ring (31) on the hook body (21) is completely positioned in the hook body (21).
6. The elevating device for construction site as set forth in claim 5, wherein: the top end surface of the hook body (21) is provided with a groove with a segment-shaped section in a downward extending way, and the axis of the groove and the axis of the connecting ring (31) are both in a vertical plane.
7. The elevating device for construction site as set forth in claim 6, wherein: the hook piece (2) is horizontally provided with a hook upper block (23) in an extending way, and the hook upper block (23) is positioned above the hook body (21).
8. The elevating device for construction site as set forth in claim 7, wherein: the hook is characterized by further comprising a return spring (8), spring seats (81) are arranged on the extension arm (32) and the hook upper block (23), and two ends of the return spring (8) are hinged to the spring seats (81) of the extension arm (32) and the spring seats (81) of the hook upper block (23) respectively.
9. The elevating device for construction site as set forth in any one of claims 1 to 8, wherein: the upper hinged plates (5) and the lower hinged plates (6) are two, the two upper hinged plates (5) are respectively positioned on two sides of the hook member (2), and the two lower hinged plates (6) are respectively positioned on two sides of the hook member (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359268.2U CN209740500U (en) | 2019-03-20 | 2019-03-20 | Lifting device for building site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359268.2U CN209740500U (en) | 2019-03-20 | 2019-03-20 | Lifting device for building site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209740500U true CN209740500U (en) | 2019-12-06 |
Family
ID=68717415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920359268.2U Expired - Fee Related CN209740500U (en) | 2019-03-20 | 2019-03-20 | Lifting device for building site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209740500U (en) |
-
2019
- 2019-03-20 CN CN201920359268.2U patent/CN209740500U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20210320 |