CN215048050U - Inner hole lifting appliance - Google Patents
Inner hole lifting appliance Download PDFInfo
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- CN215048050U CN215048050U CN202120119940.8U CN202120119940U CN215048050U CN 215048050 U CN215048050 U CN 215048050U CN 202120119940 U CN202120119940 U CN 202120119940U CN 215048050 U CN215048050 U CN 215048050U
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- eccentric
- hole
- hoisting
- hoist
- supporting block
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Abstract
The utility model discloses a hole hoist, include: the eccentric supporting block can pass through the hoisting hole of the hoisting piece when the eccentric part of the eccentric supporting block faces upwards and downwards, and the eccentric part of the eccentric supporting block can be inserted into the hoisting hole upwards during hoisting; one end sets firmly the elastic component in the body, and the other end of elastic component is equipped with the piece that compresses tightly that is used for compressing tightly the surface of hoist and mount piece, and after eccentric supporting shoe inserted the hole for hoist, when eccentric portion was non-up and non-down, eccentric supporting shoe and compress tightly the inside and outside both sides that the piece pressed from both sides tight hoist and mount piece so that hoist and mount. During hoisting, in the eccentric portion that directly will eccentric supporting shoe inserted the hoist and mount hole up, the ingenious eccentric portion that utilizes eccentric supporting shoe automatic pivoted characteristics under gravity and eccentric action, make eccentric supporting shoe and compress tightly a combined action, realize the stable hoist and mount to hoist and mount piece, compare in prior art, this hole hoist simple structure, hoist and mount convenience, and it is steady reliable, the security is high.
Description
Technical Field
The utility model relates to a lifting device technical field, more specifically say, relate to a hole hoist.
Background
In the technical field of engineering construction, a lifting appliance is generally required to be adopted for lifting. For example, in the assembly of the shield machine, many parts need to be installed after being hoisted, and especially for the side walking platform of the shield machine, an inner hole hoisting tool needs to be adopted for hoisting.
In the prior art, an inner hole lifting appliance is usually lifted by adopting a double-connecting-rod mechanism to act in a matching way; or adopt the couple that can strut and draw in, realize the hoist and mount purpose, the structure is complicated, hoist and mount complex operation brings a great deal of inconvenience for production, and poor stability has great potential safety hazard.
Therefore, how to provide a stable and reliable inner hole lifting appliance with a simple structure and convenient lifting is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a hole hoist, its simple structure, hoist and mount are convenient, and steady reliable, and the security is high.
In order to achieve the above object, the present invention provides the following technical solutions:
an inner bore spreader comprising:
the eccentric supporting block can pass through a hoisting hole of a hoisting piece when the eccentric part of the eccentric supporting block faces upwards and downwards, and the eccentric part is inserted into the hoisting hole upwards during hoisting;
one end of the elastic piece is fixedly arranged on the body, the other end of the elastic piece is provided with a pressing piece used for pressing the outer surface of the hoisting piece, after the eccentric supporting block is inserted into the hoisting hole, when the eccentric part is not upwards or downwards, the eccentric supporting block and the pressing piece clamp the inner side and the outer side of the hoisting piece so as to facilitate hoisting.
Preferably, the body includes hoist and mount portion and with hoist and mount portion fixed connection's jib.
Preferably, the boom comprises a circular boom.
Preferably, the hanger rod is provided with a mounting hole radially penetrating through the hanger rod, and the eccentric supporting block is rotatably arranged in the mounting hole by 360 degrees.
Preferably, the hanger rod is fixedly provided with a first pin shaft crossing the mounting hole, and the eccentric support block is rotatably connected with the first pin shaft.
Preferably, the mounting hole is a U-shaped hole with an open bottom side.
Preferably, a connecting piece for connecting two opposite hole walls of the U-shaped hole is arranged at the opening of the U-shaped hole.
Preferably, the connector comprises a second pin.
Preferably, the elastic element is a spring sleeved on the suspension rod.
Preferably, the pressing member is a gasket.
The utility model provides a hole hoist, during the hoist and mount, during the eccentric portion with eccentric supporting shoe inserts the hole for hoist and mount ascending, at this in-process, compresses tightly a extrusion elastic component, makes elastic deformation take place for the elastic component for compress tightly the surface production extrusion force of piece to hoisting and mounting. After the eccentric supporting block is inserted into the hoisting hole, the constraint of the hoisting hole on the eccentric supporting block is removed, at the moment, the eccentric supporting block rotates under the action of gravity and eccentricity, after the eccentric part of the eccentric supporting block deviates from the highest point, the eccentric part of the eccentric supporting block inclines relative to the vertical direction, so that the eccentric supporting block cannot pass through the hoisting hole, at the moment, the body is lifted, the eccentric supporting block is clamped at the bottom of the hoisting hole, and the inner side and the outer side of the hoisting piece are clamped under the combined action of the eccentric supporting block and the pressing piece, so that the stability of the hoisting piece is ensured, and the hoisting is realized. After the hoisting is finished, the eccentric supporting block continues to move downwards along the vertical direction, so that the bottom of the hoisting hole has a sufficient space for yielding the eccentric supporting block to rotate, the eccentric part of the eccentric supporting block continues to rotate downwards under the action of gravity and eccentricity until the eccentric part of the eccentric supporting block faces downwards, at the moment, the eccentric supporting block can pass through the hoisting hole, and the eccentric supporting block can be pulled out of the hoisting hole by pulling the body.
Therefore, the inner hole lifting appliance provided by the utility model has the advantages that during lifting, the eccentric part of the eccentric supporting block is directly inserted into the lifting hole upwards, the characteristic that the eccentric part of the eccentric supporting block automatically rotates under the action of gravity and eccentricity is ingeniously utilized, the eccentric supporting block and the pressing piece jointly act, stable lifting of a lifting piece is realized, compared with a double-connecting-rod mechanism or a hook structure which can be unfolded and folded in the prior art, the inner hole lifting appliance is simple in structure and convenient to lift, great convenience is brought to production, and the production efficiency is improved; meanwhile, under the combined action of the elastic pressure of the elastic piece and the hoisting tension, the eccentric supporting block and the pressing piece clamp the inner side and the outer side of the hoisting piece, the hoisting stability can be ensured, the hoisting process is stable and reliable, and the safety coefficient is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of an eccentric portion of an eccentric support block of an inner hole hanger according to an embodiment of the present invention, when the eccentric portion is not facing upward and not facing downward;
FIG. 2 is a schematic view of the inner hole spreader shown in FIG. 1 with the eccentric portion of the eccentric support block facing downward;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a side view of FIG. 1;
FIG. 5 is a front view of FIG. 2;
fig. 6 is a side view of fig. 2.
The reference numerals in fig. 1 to 6 are as follows:
the device comprises a body 1, a hanging ring 11, a hanging rod 12, a mounting hole 121, an eccentric supporting block 2, an eccentric part 21, an elastic part 3, a pressing part 4, a first pin shaft 5 and a second pin shaft 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a hole hoist, its simple structure, hoist and mount are convenient, and steady reliable, and the security is high.
Referring to fig. 1 to 6, fig. 1 is a schematic structural view of an eccentric portion of an eccentric support block of an inner hole spreader according to an embodiment of the present invention, the eccentric portion of the eccentric support block being not facing upward and not facing downward; FIG. 2 is a schematic view of the inner hole spreader shown in FIG. 1 with the eccentric portion of the eccentric support block facing downward; FIG. 3 is a front view of FIG. 1; FIG. 4 is a side view of FIG. 1; FIG. 5 is a front view of FIG. 2; fig. 6 is a side view of fig. 2.
The utility model provides a hole hoist mainly includes body 1, eccentric supporting shoe 2, elastic component 3 and compresses tightly 4 etc..
Specifically, the body 1 mainly plays a bearing role to fix and support the eccentric support block 2 and the elastic member 3, etc., and at the same time, the body 1 is used for hoisting.
The rotatable body 1 of locating of eccentric supporting shoe 2, eccentric portion 21 of eccentric supporting shoe 2 is up and when down, and the hole for hoist of eccentric supporting shoe 2 accessible hoisting piece, during the hoist and mount, eccentric portion 21 is the hole for hoist that inserts up.
One end of elastic component 3 sets firmly in body 1, and the other end of elastic component 3 is equipped with compresses tightly 4, compresses tightly 4 and is used for compressing tightly the surface of hoist and mount piece. After the eccentric supporting block 2 is inserted into the hoisting hole, when the eccentric part 21 is not upward or downward, the eccentric supporting block 2 and the pressing part 4 clamp the inner side and the outer side of the hoisting part so as to facilitate hoisting.
It can be understood that when the eccentric portion 21 of the eccentric support block 2 is upward and downward, the eccentric support block 2 can pass through the hoisting hole of the hoisting member, and at this time, the axis of the corresponding hoisting hole is parallel to the vertical direction.
It should be noted that, the radial dimension of the hole for hoisting that this hole hoist is suitable for is greater than eccentric supporting shoe 2's minimum external diameter, is less than eccentric supporting shoe 2's maximum external diameter, the utility model discloses do not do the restriction to eccentric supporting shoe 2's specific size, the size that field of technology personnel can use the hole for hoisting according to the reality sets for.
That is, when the eccentric portion 21 of the eccentric support block 2 is directed upward and downward, the eccentric support block 2 may be inserted into or withdrawn from the hoist hole; when the eccentric portion 21 of the eccentric support block 2 is rotated to a non-upward and non-downward direction, the eccentric support block 2 cannot pass through the hoisting hole.
During hoisting, the eccentric part 21 of the eccentric supporting block 2 is rotated to the upward direction, then the eccentric supporting block 2 is inserted into the hoisting hole, in the process, the pressing part 4 is attached to the outer surface of the hoisting part, and in the process that the eccentric supporting block 2 is continuously inserted, the elastic part 3 is extruded, so that the elastic part 3 is elastically deformed, and the pressing part 4 generates extrusion force on the outer surface of the hoisting part.
After the eccentric supporting block 2 is inserted into the hoisting hole, the constraint of the hoisting hole on the eccentric supporting block 2 is removed, at the moment, the eccentric supporting block 2 rotates under the action of gravity and eccentricity, after the eccentric part 21 of the eccentric supporting block 2 deviates from the highest point, the eccentric part 21 of the eccentric supporting block 2 inclines relative to the vertical direction, so that the eccentric supporting block 2 cannot pass through the hoisting hole, at the moment, the body 1 is lifted, the eccentric supporting block 2 is clamped at the bottom of the hoisting hole, and under the combined action of the eccentric supporting block 2 and the pressing piece 4, the inner side and the outer side of the hoisting piece are clamped, so that the stability of the hoisting piece is ensured, and the hoisting is realized.
After the hoisting is finished, external force is applied to the body 1, the eccentric supporting block 2 continues to move downwards along the vertical direction, so that the bottom of the hoisting hole is provided with a sufficient space for yielding the rotation of the eccentric supporting block 2, the eccentric part 21 of the eccentric supporting block 2 continues to rotate downwards under the action of gravity and eccentricity until the eccentric part 21 of the eccentric supporting block 2 faces downwards, at the moment, the eccentric supporting block 2 can pass through the hoisting hole, and the eccentric supporting block 2 can be pulled out of the hoisting hole by lifting the body 1.
Therefore, the inner hole lifting appliance provided by the utility model has the advantages that during lifting, the eccentric part 21 of the eccentric supporting block 2 is directly inserted into the lifting hole upwards, the characteristic that the eccentric part 21 of the eccentric supporting block 2 automatically rotates under the action of gravity and eccentricity is ingeniously utilized, so that the eccentric supporting block 2 and the pressing piece 4 jointly act, stable lifting of a lifting piece is realized, compared with a double-connecting-rod mechanism or a hook structure which can be opened and closed in the prior art, the inner hole lifting appliance has a simple structure, is convenient to lift, brings convenience to production, and improves the production efficiency; meanwhile, under the combined action of the elastic pressure of the elastic part 3 and the hoisting tension, the eccentric supporting block 2 and the pressing part 4 clamp the inner side and the outer side of the hoisting part, so that the hoisting stability can be ensured, the hoisting process is stable and reliable, and the safety factor is high.
It should be noted that, the specific structure of the body 1 is not limited in this embodiment, as long as the body 1 includes a hoisting portion and a bearing portion for hoisting and bearing the eccentric support block 2 and the elastic member 3, respectively.
Preferably, on the basis of the above embodiment, the body 1 includes a hanging part and a suspension rod 12 fixedly connected to the hanging part.
In this embodiment, the sling is used for lifting, and the boom 12 is used for arranging the eccentric support block 2 and the elastic member 3.
Preferably, the sling portion includes a sling 11 or a lifting lug or the like.
It should be noted that the present embodiment does not limit the specific shape of the cross section of the suspension bar 12.
Preferably, on the basis of the above described embodiment, the boom 12 comprises a circular boom, i.e. the cross-section of the boom 12 is circular in shape.
In addition, the specific arrangement of the eccentric support blocks 2 is not limited in this embodiment, and in order to facilitate the arrangement of the eccentric support blocks 2, the boom 12 is provided with the mounting hole 121 radially penetrating the boom 12, and the eccentric support blocks 2360 ° are rotatably provided in the mounting hole 121.
That is, when the eccentric portion 21 of the eccentric support block 2 is rotated upward or downward, the eccentric support block 2 is received in the mounting hole 121, that is, in this embodiment, the suspension rod 12 is inserted into the hoisting hole during hoisting.
Further, in consideration of the convenience of connecting the eccentric support block 2 with the body 1, on the basis of the above embodiment, the suspension rod 12 is fixedly provided with the first pin 5 crossing the mounting hole 121, and the eccentric support block 2 is rotatably connected with the first pin 5.
Therefore, the structure is simple and the assembly is convenient.
Of course, it is also possible to adopt a scheme that the eccentric supporting block 2 is fixedly connected with the first pin 5, two ends of the first pin 5 are respectively rotatably connected with the suspension rod 12, and meanwhile, a limiting structure is arranged to prevent the first pin 5 from being separated from the suspension rod 12.
It should be noted that, in this embodiment, a specific connection manner of the first pin 5 and the suspension rod 12 is not limited, and the two may be fixed by interference fit, welding, or bolt connection.
Further, in view of the convenience of assembly, on the basis of the above embodiment, the mounting hole 121 is a U-shaped hole whose bottom side is open.
That is, the mounting hole 121 extends to the bottom of the suspension rod 12, so that when the eccentric support block 2 is mounted, the eccentric support block 2 can be placed into the mounting hole 121 from the bottom opening of the U-shaped hole, and meanwhile, the mounting hole 121 is convenient to machine.
In addition, in order to improve the overall structural strength of the inner hole lifting appliance and improve the safety, on the basis of the embodiment, the opening of the U-shaped hole is provided with a connecting piece for connecting two opposite hole walls of the U-shaped hole.
That is, the present embodiment connects two opposite hole walls at the opening of the U-shaped hole together by the connecting member to increase the strength and rigidity of the bottom of the hanger bar 12, thereby improving safety.
It should be noted that, the present embodiment does not limit the specific structure of the connecting member, and for example, the connecting member may be a plate-shaped member.
Preferably, on the basis of the above-described embodiment, the connecting element comprises a second pin 6.
That is, this embodiment couples together two pore walls that U-shaped hole opening part is relative through second round pin axle 6, simple structure, and it is convenient to connect.
Similarly, the second pin 6 and the suspension rod 12 may be fixed by interference fit, welding or bolting.
In addition, the present invention is not limited to the specific structure of the elastic member 3, and in view of the simplicity of the structure and the easy implementation, it is preferable that the elastic member 3 is a spring sleeved on the suspension rod 12 based on the above embodiment.
That is, the spring is sleeved on the outer periphery of the suspension rod 12, one end of the spring is fixedly connected with the suspension rod 12, and the other end of the spring is a free end for fixing the pressing member 4.
It will be appreciated that the hanger bar 12 provides some axial guidance to the spring to ensure straightness as the spring contracts.
Further, the utility model discloses do not limit to the concrete structure that compresses tightly piece 4, for example, compress tightly piece 4 and can include at least three pressure claw and be used for setting up all adapters that press the claw, the adapter links to each other with elastic component 3.
In view of the simplicity of construction, the pressing member 4 is a gasket on the basis of the above-described embodiment.
That is to say, this embodiment utilizes the gasket as compressing tightly 4, and the gasket is direct and elastic component 3 fixed connection, during the hoist and mount, the lower surface of gasket and the surface laminating contact of hoisting accessory have great area of contact, guarantee the stability of hoisting accessory more easily.
It should be noted that, in the above embodiments, the present invention does not limit the specific structure of the eccentric portion 21 of the eccentric support block 2, and preferably, the cross section of the eccentric portion 21 is rectangular.
That is, preferably, the eccentric support block 2 is a rectangular parallelepiped block, and the rotation fixing portion of the eccentric support block 2 is offset from the center of the rectangular parallelepiped block.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above that the utility model provides an inner hole hoist has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. An inner bore spreader, comprising:
the lifting device comprises a body (1) and an eccentric supporting block (2) which is rotatably arranged on the body (1), wherein when an eccentric part (21) of the eccentric supporting block (2) is upward and downward, the eccentric supporting block (2) can pass through a lifting hole of a lifting piece, and when the lifting is carried out, the eccentric part (21) is upward and inserted into the lifting hole;
one end of the elastic part (3) is fixedly arranged on the body (1), the other end of the elastic part (3) is provided with a pressing part (4) used for pressing the outer surface of the hoisting part, after the eccentric supporting block (2) is inserted into the hoisting hole, when the eccentric part (21) is not upward or downward, the eccentric supporting block (2) and the pressing part (4) clamp the inner side and the outer side of the hoisting part so as to facilitate hoisting.
2. A bore spreader according to claim 1, wherein the body (1) comprises a sling portion and a boom (12) fixedly connected to the sling portion.
3. A bore spreader according to claim 2, wherein the hanger bar (12) comprises a circular hanger bar.
4. A female spreader according to claim 2, wherein the hanger bar (12) is provided with a mounting hole (121) extending radially through the hanger bar (12), and the eccentric support block (2) is rotatably arranged in the mounting hole (121) for 360 °.
5. A hole spreader according to claim 4, wherein the hanger bar (12) is fixedly provided with a first pin (5) crossing the mounting hole (121), and the eccentric support block (2) is rotatably connected with the first pin (5).
6. The female spreader according to claim 4, wherein the mounting hole (121) is a U-shaped hole open at the bottom side.
7. The inner hole hanger of claim 6, wherein a connecting piece for connecting two opposite hole walls of the U-shaped hole is arranged at the opening of the U-shaped hole.
8. A female spreader according to claim 7, wherein the connection member comprises a second pin (6).
9. A hole spreader according to any of claims 2-8, wherein the resilient member (3) is a spring mounted around the boom (12).
10. A female spreader according to claim 9, wherein the hold-down element (4) is a washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120119940.8U CN215048050U (en) | 2021-01-15 | 2021-01-15 | Inner hole lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120119940.8U CN215048050U (en) | 2021-01-15 | 2021-01-15 | Inner hole lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215048050U true CN215048050U (en) | 2021-12-07 |
Family
ID=79249287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120119940.8U Active CN215048050U (en) | 2021-01-15 | 2021-01-15 | Inner hole lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215048050U (en) |
-
2021
- 2021-01-15 CN CN202120119940.8U patent/CN215048050U/en active Active
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