CN209940275U - Lifting appliance - Google Patents
Lifting appliance Download PDFInfo
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- CN209940275U CN209940275U CN201822250598.6U CN201822250598U CN209940275U CN 209940275 U CN209940275 U CN 209940275U CN 201822250598 U CN201822250598 U CN 201822250598U CN 209940275 U CN209940275 U CN 209940275U
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- sleeve
- hole
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- movable claw
- lug
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Abstract
The utility model discloses a lifting appliance relates to machinery for the centre gripping lifts by crane the work piece, and the device includes sleeve, sling chain and rings. The sleeve is provided with a through hole which is a first through hole and comprises three lug grabbing components arranged on the outer wall of the sleeve. The cross section of the sleeve is circular, and the three lug assemblies are uniformly distributed at intervals along the circumference of the cross section of the sleeve. The lug grabbing component is provided with a movable claw which is arranged on the first through hole and can rotate in the direction far away from and close to the central shaft of the sleeve. When the workpiece is sleeved into the sleeve, the head end of the movable claw is pulled to enable the tail end of the movable claw to rotate towards the direction close to the central shaft so as to contact and clamp the workpiece. The novel hoist that provides of this implementation has solved and has need to use the loaded down with trivial details process of many times circle form cover on the work piece of wire rope when carrying out the handling to the work piece and because wire rope brings the potential safety hazard that the work piece dropped to the improper time of work piece cover.
Description
Technical Field
The utility model relates to the field of machinary, concretely relates to hoist.
Background
During the production and processing of the equipment, the workpiece often needs to be hoisted to a designated area and position in order to process the workpiece.
At present, for right triangular prism/cuboid/cylinder/cube/other right prism workpieces, steel wire ropes are tied to be sleeved on the workpieces in a ring shape during hoisting, then hoisting is carried out, and finally the workpieces are hoisted to a specified area. The hoisting mode is complex to operate, the stability of the workpiece is poor in the hoisting process, and the steel wire rope is used for causing the risk of falling in the hoisting process, so that potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a hoist has solved and need use the loaded down with trivial details process of wire rope many times circle form cover on the work piece and because wire rope brings the potential safety hazard that the work piece dropped to the improper time of work piece cover when carrying out the handling to the work piece.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a spreader for gripping and lifting a workpiece, comprising:
a sleeve having a through hole, the through hole being a first through hole, the sleeve including at least one lug assembly disposed on an outer wall of the sleeve,
the lug grabbing component is provided with a movable claw which is arranged on the first through hole and can rotate in the direction far away from and close to the central shaft of the sleeve,
after the workpiece is sleeved into the sleeve, the head end of the movable claw is pulled to enable the tail end of the movable claw to rotate towards the direction close to the central shaft so as to contact and clamp the workpiece.
On the basis of the technical scheme, the movable claw is V-shaped, and the opening of the V-shaped movable claw faces outwards.
On the basis of the technical proposal, wherein, the movable claw is provided with a long arm and a short arm,
one end of the long arm is fixedly connected with one end of the short arm,
the other end of the long arm is a head end,
the other end of the short arm is a tail end, the tail end is a movable end and is provided with a sector, sawteeth are arranged on the arc of the sector and are used for clamping and clamping a workpiece,
the joint of the long arm and the short arm is provided with a through hole perpendicular to the plane of the movable claw, and the through hole is a second through hole.
On the basis of the technical scheme, two mounting holes are arranged on the walls at two sides of the first through hole,
the movable claws are arranged in the two mounting holes through rotating shafts penetrating through the second through holes and rotate around the rotating shafts.
On the basis of the technical scheme, the lug grabbing component is provided with a fixed base, one end of the fixed base is fixedly connected with the outer wall of the sleeve, and the other end of the fixed base is hinged with the movable claw.
On the basis of the technical scheme, the ear-catching component is provided with two fixed bases,
the two fixed bases are symmetrically arranged on two sides of the first through hole side by side,
one end of the fixed base is fixedly connected with the outer wall of the sleeve, the other end is provided with a hole,
the movable claws are arranged in the holes of the two fixed bases through rotating shafts penetrating through the second through holes and rotate around the rotating shafts.
On the basis of the technical scheme, the method further comprises the following steps:
a hanging ring and a hanging chain,
one end of the hanging chain is connected with the hanging ring,
the other end of the hanging chain is connected with the head end of the movable claw,
after the workpiece is sleeved into the sleeve, an external force lifts the hanging ring, and the hanging ring drives the hanging chain to pull the head end of the movable claw, so that the tail end of the movable claw rotates towards the direction close to the central shaft to contact and clamp the workpiece.
On the basis of the technical scheme, when the sleeve is provided with three lug grabbing assemblies:
if the cross section of the sleeve is circular, the three lug assemblies are uniformly distributed at intervals along the circumference of the cross section of the sleeve,
if the cross section of the sleeve is triangular, the three lug components are respectively distributed on three sides of the triangle.
On the basis of the technical scheme, when the sleeve is provided with four lug grabbing assemblies:
if the cross section of the sleeve is quadrilateral, the four lug assemblies are respectively distributed on four sides of the quadrilateral.
On the basis of the technical scheme, the hollow structure in the cylinder body is a right triangular prism, a square, a cuboid or a cylinder.
Utility model's effect:
the utility model relates to a lifting appliance, because of having the sleeve, the sleeve has the through-hole, the through-hole is first through-hole, the sleeve includes at least one ear subassembly of grabbing that sets up on the sleeve outer wall, ear subassembly of grabbing has the movable claw, the movable claw is installed on first through-hole and can rotate in the direction of keeping away from and being close to the central axis of sleeve, wherein, after the work piece was emboliaed in the sleeve, drag the head end of movable claw and make the tail end of movable claw rotate to the direction of being close to the central axis and contact and clamp the work piece, the movable claw is "V-shaped", the opening of this "V-shaped" movable claw outwards, the movable claw has long arm and short arm, the one end of long arm and the one end fixed connection of short arm, the other end of long arm is the head end, the other end of short arm is the tail end, the tail end has the fan-shaped surface for the movable end, the sawtooth has on the arc of fan-shaped surface, this sawtooth is used for blocking and clamping the work piece, the through hole is a second through hole. Therefore, the utility model provides a hoist can convenient and fast press from both sides tight work piece so that the work piece is lifted by crane.
Drawings
FIG. 1 is a schematic structural view of a lifting tool for clamping a lifted workpiece according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a spreader in an embodiment of the present invention;
fig. 3 is a schematic structural view of a cross section of a spreader in an embodiment of the present invention;
fig. 4 is a schematic structural view of the lifting appliance in the embodiment of the present invention when clamping a lifted workpiece;
fig. 5 is a schematic structural diagram of a spreader in an embodiment of the present invention; and
fig. 6 is a schematic structural view of a cross section of a spreader in an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example 1
FIG. 1 is a schematic structural view of a lifting tool for clamping a lifted workpiece according to an embodiment of the present invention; fig. 2 is the schematic structural diagram of the lifting appliance in the embodiment of the present invention and fig. 3 is the schematic structural diagram of the lifting appliance cross section in the embodiment of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a lifting appliance 100 for clamping and lifting a workpiece 200, including a sleeve 1, a lifting chain 2, and a lifting ring 3.
The sleeve 1 is provided with a through hole which is a first through hole 12, and the sleeve 1 comprises three lug assemblies 11 arranged on the outer wall of the sleeve 1.
The cross section of the sleeve 1 is circular, and the three lug assemblies 11 are uniformly distributed at intervals along the circumference of the cross section of the sleeve 1.
The lug assembly 11 has a movable jaw 111, and the movable jaw 111 is mounted on the first through hole 12 and is rotatable in directions away from and close to the central axis of the sleeve 1.
After the workpiece 200 is inserted into the sleeve 1, the head end of the movable jaw 111 is pulled so that the tail end of the movable jaw 111 rotates in a direction approaching the central axis to contact and clamp the workpiece 200.
Further, the movable jaw 111 is "V" shaped, and the opening of the "V" shaped movable jaw 111 faces outwards.
Further, the movable jaw 111 has a long arm 1111 and a short arm 1112, one end of the long arm 1111 is fixedly connected with one end of the short arm 1112, the other end of the long arm 1111 is a head end, the other end of the short arm 1112 is a tail end, the tail end is a movable end and has a sector surface, and the arc of the sector surface is provided with a sawtooth 11121, and the sawtooth 11121 is used for clamping and clamping the workpiece 200.
Further, the joint of long arm 1111 and short arm 1112 has a through hole perpendicular to the plane of movable jaw 111, and the through hole is a second through hole.
Further, two mounting holes are provided on the walls of both sides of the first through hole 12, and the movable claw 111 is mounted in the two mounting holes by a rotating shaft 112 passing through the second through hole to rotate around the rotating shaft 112.
Further, the lifting appliance 100 further comprises a lifting ring 3 and a lifting chain 2, one end of the lifting chain 2 is connected with the lifting ring 3, the other end of the lifting chain 2 is connected with the head end of the movable claw 111, wherein after the workpiece 200 is sleeved in the sleeve 1, the lifting ring 3 is lifted by an external force, and the lifting ring 3 drives the lifting chain 2 to pull the head end of the movable claw 111 so that the tail end of the movable claw 111 rotates towards the direction close to the central shaft to contact and clamp the workpiece 200.
Example 2
Fig. 4 is a schematic structural view of the lifting appliance in the embodiment of the present invention when clamping a lifted workpiece; fig. 5 is a schematic structural view of a lifting appliance in an embodiment of the present invention and fig. 6 is a schematic structural view of a cross section of a lifting appliance in an embodiment of the present invention.
Referring to fig. 4 to 6, an embodiment of the present invention provides a lifting appliance 100 for clamping and lifting a workpiece 200, including a sleeve 1, a lifting chain 2 and a lifting ring 3.
The sleeve 1 is provided with a through hole which is a first through hole 12, and the sleeve 1 comprises three lug assemblies 11 arranged on the outer wall of the sleeve 1.
The cross section of the sleeve 1 is circular, and the three lug assemblies 11 are uniformly distributed at intervals along the circumference of the cross section of the sleeve 1.
The lug assembly 11 has a movable jaw 111, and the movable jaw 111 is mounted on the first through hole 12 and is rotatable in directions away from and close to the central axis of the sleeve 1.
After the workpiece 200 is inserted into the sleeve 1, the head end of the movable jaw 111 is pulled so that the tail end of the movable jaw 111 rotates in a direction approaching the central axis to contact and clamp the workpiece 200.
Further, the movable jaw 111 is "V" shaped, and the opening of the "V" shaped movable jaw 111 faces outwards.
Further, the movable jaw 111 has a long arm 1111 and a short arm 1112, one end of the long arm 1111 is fixedly connected with one end of the short arm 1112, the other end of the long arm 1111 is a head end, the other end of the short arm 1112 is a tail end, the tail end is a movable end and has a sector surface, and the arc of the sector surface is provided with a sawtooth 11121, and the sawtooth 11121 is used for clamping and clamping the workpiece 200.
Further, the joint of long arm 1111 and short arm 1112 has a through hole perpendicular to the plane of movable jaw 111, and the through hole is a second through hole.
Further, the lug grabbing assembly 11 has two fixing bases 113, the two fixing bases 113 are symmetrically arranged on two sides of the first through hole 12 side by side, one end of the fixing base 113 is fixedly connected with the outer wall of the sleeve 1, the other end of the fixing base has a hole, and the movable claw 111 is installed in the hole of the two fixing bases 113 through the rotating shaft 112 penetrating through the second through hole and rotates around the rotating shaft 112.
Further, the lifting appliance 100 further comprises a lifting ring 3 and a lifting chain 2, one end of the lifting chain 2 is connected with the lifting ring 3, the other end of the lifting chain 2 is connected with the head end of the movable claw 111, wherein after the workpiece 200 is sleeved in the sleeve 1, the lifting ring 3 is lifted by an external force, and the lifting ring 3 drives the lifting chain 2 to pull the head end of the movable claw 111 so that the tail end of the movable claw 111 rotates towards the direction close to the central shaft to contact and clamp the workpiece 200.
Example 3
One of the two fixed bases 113 of embodiment 2 is removed, one end of the fixed base 113 is fixedly connected with the outer wall of the sleeve 1, the other end is hinged with the movable claw 111, and the other end is unchanged.
Example 4
The cross section of the sleeve 1 in the embodiment 2 is changed into a triangle from a circle, the three lug grabbing assemblies 11 are respectively distributed on three sides of the triangle, at the moment, the workpiece is a right triangular prism, and the rest parts are not changed.
Example 5
The cross section of the sleeve 1 in embodiment 2 is changed into a quadrangle from a circle, the four lug assemblies 11 are respectively distributed on four sides of the quadrangle, the sleeve further has four first through holes 12, the four lug assemblies 11 are respectively and correspondingly installed on the four first through holes 12, at this time, the workpiece is a straight quadrangular prism, and the rest parts are not changed.
Example 6
The hollow structure inside the sleeve 1 in embodiment 2 is a cylinder, which is changed to a right triangular prism in this embodiment, and the workpiece is also a right triangular prism in this case.
The working effects of the examples are as follows:
the lifting appliance in the above embodiment, because of having the sleeve, the sleeve has a through hole, the through hole is a first through hole, the sleeve comprises at least one tab assembly disposed on the outer wall of the sleeve, the tab assembly has a movable jaw, the movable jaw is mounted on the first through hole and can rotate in the direction away from and close to the central axis of the sleeve, wherein, after the workpiece is sleeved into the sleeve, the head end of the movable jaw is pulled to make the tail end of the movable jaw rotate in the direction close to the central axis to contact and clamp the workpiece, the movable jaw is "v" -shaped, the opening of the "v" -shaped movable jaw faces outwards, the movable jaw has a long arm and a short arm, one end of the long arm is fixedly connected with one end of the short arm, the other end of the long arm is the head end, the other end of the short arm is the tail end, the tail end is a movable end having a sector surface, a sawtooth is disposed on the arc of the sector surface, the sawtooth is used for clamping and clamping the workpiece, the connection point of the, the through hole is a second through hole. Therefore, the lifting appliance provided by the embodiment can be used for conveniently and quickly clamping the workpiece so as to lift the workpiece.
In addition, because rings and sling chains, the one end of sling chain is connected with rings, and the other end of sling chain is connected with the head end of portable claw, wherein, after the work piece was emboliaed the sleeve, external force hoisted rings, and rings drive the sling chain and pull the head end of portable claw and make the tail end of portable claw rotate to the direction that is close to the center pin and contact and press from both sides tight work piece. Therefore, the workpiece can be conveniently lifted by the lifting ring.
In addition, because three lug assemblies are arranged, and three corresponding claws are arranged on different side surfaces, the workpiece can be firmly clamped, and the workpiece cannot be inclined after being lifted.
In addition, the hollow structure in the cylinder body is a right triangular prism, a square, a cuboid or a cylinder. Therefore, the workpiece with various different forms is satisfied.
The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.
Claims (10)
1. A hoist for gripping and hoisting a workpiece, comprising:
a sleeve having a through hole which is a first through hole, the sleeve including at least one lug assembly disposed on an outer wall of the sleeve,
the lug grabbing component is provided with a movable claw which is arranged on the first through hole and can rotate in the direction far away from and close to the central shaft of the sleeve,
after the workpiece is sleeved into the sleeve, the head end of the movable claw is pulled to enable the tail end of the movable claw to rotate towards the direction close to the central shaft so as to contact and clamp the workpiece.
2. The spreader of claim 1, wherein:
wherein, the movable claw is V-shaped, and the opening of the V-shaped movable claw faces outwards.
3. The spreader of claim 2, wherein:
wherein the movable jaw has a long arm and a short arm,
one end of the long arm is fixedly connected with one end of the short arm,
the other end of the long arm is the head end,
the other end of the short arm is the tail end, the tail end is a movable end and is provided with a sector surface, sawteeth are arranged on the arc of the sector surface and are used for clamping and clamping the workpiece,
the joint of the long arm and the short arm is provided with a through hole perpendicular to the plane where the movable claw is located, and the through hole is a second through hole.
4. The spreader of claim 3, wherein:
wherein, two mounting holes are arranged on the walls at two sides of the first through hole,
the movable claws are arranged in the two mounting holes through rotating shafts penetrating through the second through holes and rotate around the rotating shafts.
5. The spreader of claim 3, wherein:
the lug grabbing component is provided with a fixed base, one end of the fixed base is fixedly connected with the outer wall of the sleeve, and the other end of the fixed base is hinged with the movable claw.
6. The spreader of claim 3, wherein:
wherein the ear-catching component is provided with two fixed bases,
the two fixed bases are symmetrically arranged on two sides of the first through hole side by side,
one end of the fixed base is fixedly connected with the outer wall of the sleeve, the other end of the fixed base is provided with a hole,
the movable claws are arranged in the two holes of the fixed base through rotating shafts penetrating through the second through holes and rotate around the rotating shafts.
7. The spreader of claim 1, further comprising:
a hanging ring and a hanging chain,
one end of the lifting chain is connected with the lifting ring,
the other end of the lifting chain is connected with the head end of the movable claw,
after the workpiece is sleeved into the sleeve, an external force lifts the hanging ring, and the hanging ring drives the hanging chain to pull the head end of the movable claw, so that the tail end of the movable claw rotates towards the direction close to the central shaft to contact and clamp the workpiece.
8. The spreader of claim 1, wherein:
wherein, when the sleeve is provided with three lug grabbing components:
if the cross section of the sleeve is circular, the three lug components are uniformly distributed at intervals along the circumference of the cross section of the sleeve,
if the cross section of the sleeve is triangular, the three lug components are respectively distributed on three sides of the triangle.
9. The spreader of claim 1, wherein:
wherein, the sleeve is provided with four lug grabbing components:
if the cross section of the sleeve is quadrilateral, the four lug assemblies are respectively distributed on four sides of the quadrilateral.
10. The spreader of claim 1, wherein:
wherein, the hollow structure in the sleeve is a right triangular prism, a square, a cuboid or a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822250598.6U CN209940275U (en) | 2018-12-29 | 2018-12-29 | Lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822250598.6U CN209940275U (en) | 2018-12-29 | 2018-12-29 | Lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209940275U true CN209940275U (en) | 2020-01-14 |
Family
ID=69119385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822250598.6U Active CN209940275U (en) | 2018-12-29 | 2018-12-29 | Lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209940275U (en) |
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2018
- 2018-12-29 CN CN201822250598.6U patent/CN209940275U/en active Active
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