CN210655737U - Movable wheel assembly and multi-rope friction type elevator head sheave device - Google Patents
Movable wheel assembly and multi-rope friction type elevator head sheave device Download PDFInfo
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- CN210655737U CN210655737U CN201921429198.XU CN201921429198U CN210655737U CN 210655737 U CN210655737 U CN 210655737U CN 201921429198 U CN201921429198 U CN 201921429198U CN 210655737 U CN210655737 U CN 210655737U
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Abstract
The utility model provides a travelling wheel subassembly and friction formula lifting machine head sheave device of restricting more, including axle bush, driving piece and the travelling wheel that has the shaft hole, the inner peripheral surface of axle bush has a plurality of annular oil grooves, and a plurality of axial oil grooves, the intersection of annular oil groove and axial oil groove forms the node, is provided with the lockhole that radially runs through the axle bush on this node; the outer sleeve of the loose wheel is sleeved on the bearing bush, the inner circumferential surface of the loose wheel is provided with a plurality of axial grooves, a fastening body is slidably arranged in each axial groove, and one surface, close to the bearing bush, of each fastening body is provided with a plurality of salient points; the driving piece is installed on the end face of the loose wheel and used for driving the fastening body to slide towards one side close to the bearing bush, wherein at least one of the salient points is provided with a through hole penetrating through the fastening body, and the through hole is communicated with an oil hole formed in the outer surface of the loose wheel through a hose. The utility model provides a pair of loose wheel subassembly is convenient for prevent axle bush and loose wheel separation, is convenient for reduce the abnormal sound.
Description
Technical Field
The utility model relates to a friction formula lifting machine field of restricting more, concretely relates to loose wheel subassembly and friction formula lifting machine head sheave device of restricting more.
Background
The head sheave device is one of important bearing parts of a multi-rope friction type hoister and has the functions of changing the direction of a steel wire rope and meeting the requirement of the hoisting system on the center distance of a hoisting container. It mainly comprises a fixed wheel, a loose wheel and a crown gear shaft. Wherein, the left end is a fixed wheel which is connected with the head sheave shaft by a flat key; the right side is provided with a loose wheel, a bearing bush is fixed in the loose wheel, and the bearing bush is sleeved on the head sheave shaft in a rotatable mode.
The traditional bearing bush is fixed in the loose wheel through a bolt, and under the condition that lubrication of the bearing bush is poor due to untimely filling of lubricating oil if a user is not properly maintained, a lubricating oil film between the bearing bush and a head sheave shaft is blocked when a head sheave rotates, and sliding lubrication between the bearing bush and the head sheave shaft is changed into dry friction, so that abnormal sound of the head sheave is generated; at the moment, a large friction force is formed between the crown block shaft and the bearing bush due to relative operation, and the fixing bolt is gradually sheared by the friction force under long-time forward and backward movement and impact. If the bolt is not found in time and is continuously used after being sheared, an annular groove is formed on the end face of an inner hole of the loose wheel by the sheared bolt, and abnormal sound is also generated on the head sheave.
Disclosure of Invention
To the defect among the prior art, the utility model provides a pair of loose wheel subassembly is convenient for prevent axle bush and loose wheel separation, is convenient for reduce the abnormal sound.
The utility model provides a movable wheel component,
the bearing bush comprises a bearing bush, wherein the inner peripheral surface of the bearing bush is provided with a plurality of annular oil grooves distributed along the axial direction of the bearing bush and a plurality of axial oil grooves distributed along the circumferential direction of the bearing bush, the annular oil grooves and the axial oil grooves are intersected to form a node, and a lock hole penetrating through the bearing bush along the radial direction is arranged on the node;
the movable wheel is sleeved on the bearing bush, a plurality of axial grooves distributed along the circumferential direction of the bearing bush are formed in the inner circumferential surface of the movable wheel, a fastening body is installed in each axial groove in a manner of sliding along the radial direction of the bearing bush, and a plurality of salient points are arranged on one surface, close to the bearing bush, of each fastening body;
the driving piece is arranged on the end face of the movable wheel and used for driving the fastening body to slide towards one side close to the bearing bush so that the salient points are embedded into the lock holes to fix the bearing bush;
at least one of the salient points is provided with a through hole which penetrates through the fastening body along the radial direction of the bearing bush, and the through hole is communicated with an oil filling hole arranged on the outer surface of the movable wheel through a hose.
Optionally, the bearing shell comprises two half bearing shells, and the two half bearing shells are buckled with each other to form a cylindrical bearing shell.
Optionally, the end of the fastening body is provided with an inclined surface, and a power cavity is formed between the inclined surface and the axial groove; the driving piece comprises a hub end cover, a plurality of bosses are distributed on the side wall of the hub end cover along the circumferential direction, and the bosses are inserted into the power cavity to be connected with the fastening body in a wedge shape.
Optionally, a notch is formed in the inner circumferential surface of the loose wheel, and a protrusion is formed on the outer circumferential surface of the bearing bush and can be inserted into the notch, so that the protruding point points to the lock hole along the radial direction.
According to the above technical scheme, the beneficial effects of the utility model are that: the utility model provides a pair of loose wheel subassembly, including axle bush, driving piece and the loose wheel that has the shaft hole, the inner peripheral surface of axle bush has a plurality of annular oil grooves along axle bush axial distribution, and a plurality of axial oil grooves along axle bush circumferential distribution, the intersection of annular oil groove and axial oil groove forms the node, is provided with the lockhole that radially runs through the axle bush on this node; the outer sleeve of the loose wheel is sleeved on the bearing bush, the inner circumferential surface of the loose wheel is provided with a plurality of axial grooves distributed along the circumferential direction of the bearing bush, a fastening body is arranged in the axial grooves in a manner of sliding along the radial direction of the bearing bush, and one surface of the fastening body, which is close to the bearing bush, is provided with a plurality of salient points; the driving piece is arranged on the end face of the movable wheel and used for driving the fastening body to slide towards one side close to the bearing bush so that the salient points are embedded into the lock holes to fix the bearing bush; at least one of the salient points is provided with a through hole which penetrates through the fastening body along the radial direction of the bearing bush, and the through hole is communicated with an oil filling hole arranged on the outer surface of the movable wheel through a hose. The utility model provides a pair of loose wheel subassembly is convenient for prevent axle bush and loose wheel separation, is convenient for reduce the abnormal sound.
In a second aspect, the present invention provides a multi-rope friction type elevator head sheave device, which comprises a plurality of any one of the above moving sheave assemblies. The loose wheel assembly has the effects of preventing the bearing bush from being separated from the loose wheel and reducing abnormal sound, and the multi-rope friction type elevator head sheave device with the loose wheel assembly also has the beneficial effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic structural view of a notch;
FIG. 4 is a schematic perspective view of a bearing shell;
FIG. 5 is a perspective view of the idler wheel;
fig. 6 is a schematic structural view of a head sheave device of a multi-rope friction type elevator according to another embodiment of the present invention.
Reference numerals:
1-bearing bush, 2-loose wheel, 3-fastening body, 4-hose, 5-hub end cover, 6-fixed wheel, 7-crown wheel shaft, 11-annular oil groove, 12-axial oil groove, 13-node, 14-bulge, 21-axial groove, 22-oil hole, 23-notch, 31-salient point, 32-inclined plane, 51-lug boss, 131-lock hole, 311-through hole and 321-power cavity.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1-5, in the embodiment, a loose wheel assembly is provided,
the bearing bush comprises a bearing bush 1, wherein the inner circumferential surface of the bearing bush 1 is provided with a plurality of annular oil grooves 11 distributed along the axial direction of the bearing bush and a plurality of axial oil grooves 12 distributed along the circumferential direction of the bearing bush, the annular oil grooves and the axial oil grooves are intersected to form a node 13, and a lock hole 131 penetrating through the bearing bush along the radial direction is arranged on the node 13;
the movable wheel 2 is provided with a shaft hole, the movable wheel is sleeved on a bearing bush, the inner circumferential surface of the movable wheel 2 is provided with a plurality of axial grooves 21 distributed along the circumferential direction of the bearing bush, a fastening body 3 is arranged in each axial groove 21 in a manner of sliding along the radial direction of the bearing bush, and one surface, close to the bearing bush, of the fastening body 3 is provided with a plurality of convex points 31;
the driving piece is arranged on the end face of the movable wheel and used for driving the fastening body to slide towards one side close to the bearing bush so that the salient points are embedded into the lock holes to fix the bearing bush;
at least one of the salient points 31 is provided with a through hole 311 which penetrates through the fastening body along the radial direction of the bearing bush, and the through hole 311 is communicated with the oil filling hole 22 arranged on the outer surface of the loose wheel through a hose 4.
In the initial state, the fastening body 3 and the protruding points 31 are completely received in the axial grooves 21. In use, the bearing bush 1 is inserted into the axial bore of the idler pulley 2 and the bearing bush 1 is rotated until the nubs 31 point radially towards the locking holes 131. Then, the fastening body is driven by the driving piece to slide towards one side close to the bearing bush, so that the salient points extend out of the axial grooves 21 and are embedded into the lock holes to fix the bearing bush, and at the moment, the bearing bush and the movable wheel 2 are fixed relatively. Because each salient point is embedded into the lock hole, the bearing bush and the movable wheel 2 can slide relatively only when all the salient points are sheared. Compared with a mode of fixing through a bolt, the possibility of separating the bearing bush from the movable wheel 2 is reduced, the bearing bush is convenient to be prevented from being separated from the movable wheel, and abnormal sound is convenient to reduce. Simultaneously because the inner peripheral surface of axle bush 1 has a plurality of annular oil grooves 11 that distribute along the axle bush axial, and a plurality of axial oil grooves 12 that distribute along axle bush circumference, annular oil groove 11 and axial oil groove 12 communicate each other, when pouring into lubricating oil through oil filler point 22 on the loose wheel surface, lubricating oil flows to axle bush 1 each department along annular oil groove 11 and axial oil groove 12, and the lubrication of being convenient for is convenient for reduce the abnormal sound.
As a further improvement to the technical scheme, the bearing bush comprises two half bearing bushes, and the two half bearing bushes are buckled with each other to form a cylindrical bearing bush. The installation of the bearing bush is convenient.
As a further improvement to the above technical solution, the end of the fastening body 3 is provided with an inclined surface 32, and a power cavity 321 is formed between the inclined surface and the axial groove; the driving piece comprises a hub end cover 5, a plurality of bosses 51 are distributed on the side wall of the hub end cover 5 along the circumferential direction, and the bosses are inserted into the power cavity and connected with the fastening body in a wedge shape. The hub end cover 5 can be fixed on the end face of the loose wheel through bolts. When the bearing bush is used, the bearing bush is embedded into the shaft hole of the movable wheel, and the salient points point to the lock hole along the radial direction. At this time, the boss 51 is inserted into the power chamber 321, the boss 51 is brought into contact with the inclined surface 32, the hub cover 5 is pushed forcibly, the hub cover 5 is brought into contact with the end surface of the loose wheel, and the hub cover 5 is fixed by a bolt. In this process, the boss 51 presses the inclined surface 32 of the fastening body 3, so that the fastening body 3 slides toward the side close to the bearing bush, so that the protruding point is inserted into the locking hole to fix the bearing bush. Simple structure and convenient maintenance.
As a further improvement to the above technical solution, an indentation 23 is provided on the inner circumferential surface of the loose wheel 2, and a protrusion 14 is provided on the outer circumferential surface of the bearing bush 1, and the protrusion can be inserted into the indentation to make the salient point to the lock hole along the radial direction. The bump and the keyhole are aligned conveniently, so that the bump points to the keyhole along the radial direction.
As shown in fig. 6, another embodiment of the present invention provides a head sheave device of a multi-rope friction type elevator, which includes a fixed sheave 6, a head sheave shaft 7 and a plurality of floating sheave assemblies according to any one of the above embodiments. The fixed wheel 6 is fixed at one end of the head sheave shaft 7 through a key, and a plurality of loose wheel assemblies are arranged at the other opposite end of the head sheave shaft 7 side by side. The loose wheel assembly has the effects of preventing the bearing bush from being separated from the loose wheel and reducing abnormal sound, so the multi-rope friction type elevator head sheave device with the loose wheel assembly also has the beneficial effects.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. A loose wheel assembly characterized by:
the bearing bush comprises a bearing bush (1), wherein the inner circumferential surface of the bearing bush (1) is provided with a plurality of annular oil grooves (11) distributed along the axial direction of the bearing bush and a plurality of axial oil grooves (12) distributed along the circumferential direction of the bearing bush, the annular oil grooves and the axial oil grooves are intersected to form a node (13), and a lock hole (131) penetrating through the bearing bush along the radial direction is arranged on the node (13);
the movable wheel is characterized by comprising a movable wheel (2) with a shaft hole, wherein the outer sleeve of the movable wheel is sleeved on a bearing bush, the inner circumferential surface of the movable wheel (2) is provided with a plurality of axial grooves (21) distributed along the circumferential direction of the bearing bush, a fastening body (3) is arranged in each axial groove (21) in a manner of sliding along the radial direction of the bearing bush, and one surface, close to the bearing bush, of each fastening body (3) is provided with a plurality of salient points (31);
the driving piece is arranged on the end face of the movable wheel and used for driving the fastening body to slide towards one side close to the bearing bush so that the salient points are embedded into the lock holes to fix the bearing bush;
at least one of the salient points (31) is provided with a through hole (311) which penetrates through the fastening body along the radial direction of the bearing bush, and the through hole (311) is communicated with an oil filling hole (22) arranged on the outer surface of the loose wheel through a hose (4).
2. A loose wheel assembly as claimed in claim 1, wherein: the bearing bush comprises two half bearing bushes which are buckled with each other to form a cylindrical bearing bush.
3. A loose wheel assembly as claimed in claim 1, wherein: an inclined surface (32) is arranged at the end part of the fastening body (3), and a power cavity (321) is formed between the inclined surface and the axial groove; the driving piece comprises a hub end cover (5), a plurality of bosses (51) are distributed on the side wall of the hub end cover (5) along the circumferential direction, and the bosses are inserted into the power cavity to be connected with the fastening body in a wedge shape.
4. A loose wheel assembly as claimed in claim 1, wherein: a notch (23) is formed in the inner circumferential surface of the movable wheel (2), and a protrusion (14) is arranged on the outer circumferential surface of the bearing bush (1) and can be inserted into the notch, so that the salient point points to the lock hole along the radial direction.
5. The utility model provides a friction formula lifting machine head sheave device that restrict more which characterized in that: comprising a plurality of the travelling wheel assemblies according to any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429198.XU CN210655737U (en) | 2019-08-30 | 2019-08-30 | Movable wheel assembly and multi-rope friction type elevator head sheave device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429198.XU CN210655737U (en) | 2019-08-30 | 2019-08-30 | Movable wheel assembly and multi-rope friction type elevator head sheave device |
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| Publication Number | Publication Date |
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| CN210655737U true CN210655737U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921429198.XU Active CN210655737U (en) | 2019-08-30 | 2019-08-30 | Movable wheel assembly and multi-rope friction type elevator head sheave device |
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| CN (1) | CN210655737U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828613A (en) * | 2020-12-30 | 2021-05-25 | 锦翔(宁波)轴瓦有限公司 | Machining method of special-shaped bearing bush |
-
2019
- 2019-08-30 CN CN201921429198.XU patent/CN210655737U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828613A (en) * | 2020-12-30 | 2021-05-25 | 锦翔(宁波)轴瓦有限公司 | Machining method of special-shaped bearing bush |
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