CN219792309U - Winding engine holding clutch mechanism - Google Patents
Winding engine holding clutch mechanism Download PDFInfo
- Publication number
- CN219792309U CN219792309U CN202321085937.4U CN202321085937U CN219792309U CN 219792309 U CN219792309 U CN 219792309U CN 202321085937 U CN202321085937 U CN 202321085937U CN 219792309 U CN219792309 U CN 219792309U
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- anchor ear
- connecting rod
- hinged
- hoop
- driving disc
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 238000004804 winding Methods 0.000 title description 2
- 238000000034 method Methods 0.000 abstract description 7
- 125000004122 cyclic group Chemical group 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 101100460844 Mus musculus Nr2f6 gene Proteins 0.000 description 8
- 230000004044 response Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a winch holding type clutch mechanism, wherein a holding hoop and a driving mechanism are arranged on a driving disc, the driving mechanism drives the holding hoop to hold and open, and a first end lug and a second end lug are respectively arranged at two ends of the holding hoop; one end of the second connecting rod is hinged with the second end lug, and the other end of the second connecting rod is hinged with the driving disc; one end of the first connecting rod is hinged with the first end lug, and the other end of the first connecting rod is connected with the driving mechanism. In the repeated continuous enclasping and expanding process of the anchor ear, the first connecting rod and the second connecting rod circularly swing, so that repeated continuous enclasping and expanding cyclic deformation of the anchor ear is reduced, enclasping tension is reduced, and fatigue fracture of the anchor ear is avoided. Because the anchor ear deflection is few, can design the anchor ear radian when the anchor ear is held tightly the state, it is high to hold the piece of stopping and brake drum laminating degree, and friction area increases, and anchor ear atress is balanced, long service life, security and reliability and sensitivity are high.
Description
Technical Field
The utility model relates to the field of machinery, in particular to a winch embracing type clutch mechanism.
Background
The existing winch embracing type clutch mechanism comprises a driving disc, a hoop and a driving mechanism; the brake is arranged on the hoop, the hoop wraps the brake drum, and the driving mechanism drives the hoop to tighten and open. When the anchor ear holds the brake drum tightly, the power of driving disk is transmitted to the brake drum, namely the joint state. When the anchor ear is opened, the anchor ear is separated from the brake drum, and the power of the driving disc can not be transmitted to the brake drum, namely in a separation state. The two ends of the anchor ear are a fixed end and a movable end respectively, and the driving mechanism drives the movable end to move, so that the anchor ear is held tightly and opened. The anchor ear repeatedly and continuously hugs tightly and opens cyclic deformation, and the laminating degree of the brake piece and the brake drum is poor, and the holding tension is big, and the anchor ear atress is unbalanced, and the brake piece wearing and tearing are serious. Under the repeated and continuous action of large tensile stress, the anchor ear is extremely serious in fatigue fracture condition, short in service life and often causes serious accidents. In addition, because the hoop deformation is large and the holding tension is large, the response time of the existing winch clutch mechanism in the process from the holding state to the opening state is long, and the sensitivity of the winch clutch mechanism is poor.
Disclosure of Invention
In view of the above, the utility model provides a winch clasping clutch mechanism, which reduces repeated continuous clasping and opening cyclic deformation of a hoop, reduces clasping tension and avoids fatigue fracture of the hoop. The brake pad and the brake drum are high in fit degree, the friction area is increased, the hoop is balanced in stress, abrasion of the brake pad is reduced, the service life is long, and the safety and reliability are high.
On one hand, the utility model provides a winch embracing type clutch mechanism, wherein an anchor ear and a driving mechanism are arranged on a driving disc, the driving mechanism drives the anchor ear to be embraced and opened, and a first end lug and a second end lug are respectively arranged at two ends of the anchor ear; one end of the second connecting rod is hinged with the second end lug, and the other end of the second connecting rod is hinged with the driving disc; one end of the first connecting rod is hinged with the first end lug, and the other end of the first connecting rod is connected with the driving mechanism.
In a further technical scheme, the anchor ear comprises a first section anchor ear, a second section anchor ear and an anchor ear adjusting device, wherein a first adjusting block is arranged at one end of the first section anchor ear, and a second adjusting block is arranged at one end of the second section anchor ear; the hoop adjusting device is connected with the first adjusting block and the second adjusting block, the hoop adjusting device is provided with an adjusting bolt and a fixing bolt, the fixing bolt is used for fixing the first adjusting block and the second adjusting block, and the adjusting bolt is used for adjusting the distance between the first adjusting block and the second adjusting block.
In a further technical scheme, a first braking piece is arranged on the inner surface of the first section of hoop, and a second braking piece is arranged on the inner surface of the second section of hoop.
In a further technical scheme, the driving mechanism comprises a crank arm, a clutch oil cylinder and a spring cylinder; the crank arm is hinged with the first connecting rod, the crank arm is arranged on the driving disc, two ends of the clutch oil cylinder are respectively hinged with the crank arm and the driving disc, two ends of the spring cylinder are respectively hinged with the crank arm and the driving disc, the spring cylinder drives the hoop to open, and the clutch oil cylinder drives the hoop to clamp.
In a further technical scheme, the forward rotation direction of the driving disc is opposite to the holding direction of the anchor ear, and the forward rotation direction of the driving disc is the same as the opening direction of the anchor ear.
Compared with the prior art, the winch embracing type clutch mechanism has the beneficial effects that:
1. because the first connecting rod is articulated with first end ear, and the second connecting rod is articulated with the second end ear, the staple bolt is lasting repeatedly to hold tightly and open the in-process, and first connecting rod and second connecting rod circulation swing reduces the staple bolt and holds tightly and open circulation deflection repeatedly and last, reduces and holds tightly the pulling force, avoids staple bolt fatigue fracture. Because the staple bolt deflection is few, can design the staple bolt radian when the staple bolt is held tightly the state, it is high to hold the piece of stopping and brake drum laminating degree, and friction area increases, and the staple bolt atress is balanced, reduces the piece wearing and tearing of stopping of holding, long service life, and security and reliability are high. In addition, as the hoop deformation is small and the holding tension is small, the response time of the winch clutch mechanism in the process from the holding state to the opening state is short, and the sensitivity of the winch clutch mechanism is high.
2. The forward rotation direction of the driving disc is opposite to the holding direction of the anchor ear, so that the acting force of the anchor ear for holding the brake drum is increased, the holding tension is reduced, and the fatigue fracture of the anchor ear is avoided.
3. After the fixing bolt is unscrewed, the spanner is used for screwing the adjusting bolt to adjust the distance between the first adjusting block and the second adjusting block, and the fit degree and the clutch clearance between the brake pad and the brake drum are adjusted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a clutch mechanism of a hoist according to a first embodiment of the present utility model;
fig. 2 is a schematic view of the anchor ear and driving mechanism of fig. 1.
Description of the embodiments
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The forward rotation direction of the driving disc 1 refers to the rotation direction of the driving disc 1 when a steel wire rope of a winch ascends, namely, the rotation direction of the driving disc 1 when the anchor ear 2 is tightly held.
The hinging means that the two components are connected through a pin shaft, the two components can rotate relatively, and the connection of torque is not transmitted.
As shown in fig. 1 and 2, the utility model provides a winch clutch mechanism of a first embodiment, a hoop 2 and a driving mechanism 3 are arranged on a driving disc 1, the driving mechanism 3 drives the hoop 2 to be clasped and opened, the forward rotation direction of the driving disc 1 is opposite to the clasping direction of the hoop 2, and the forward rotation direction of the driving disc 1 is the same as the opening direction of the hoop 2, so that the acting force of the hoop 2 clasping a brake drum is increased, the clasping tension is reduced, and fatigue fracture of the hoop 2 is avoided.
As shown in fig. 2, two ends of the anchor ear 2 are respectively provided with a first end ear 200 and a second end ear 210; one end of the second connecting rod 211 is hinged with the second end lug 210, and the other end of the second connecting rod 211 is hinged with the driving disc 1 at a point D; one end of the first connecting rod 201 is hinged with the first end lug 200, and the other end of the first connecting rod 201 is connected with the driving mechanism 3 at the point B. The hoop 2 is repeatedly and continuously hugged and opened in-process, and the first connecting rod 201 and the second connecting rod 211 circularly swing, so that repeated and continuous hugging and opening cyclic deformation of the hoop 2 is reduced, the hugging tension is reduced, and fatigue fracture of the hoop is avoided. Because staple bolt 2 deflection is few, can design staple bolt 2 radian when the state is held tightly according to staple bolt 2, hold brake piece 203, 213 and brake drum laminating degree height, area of friction increase, staple bolt 2 atress is balanced, reduces to hold brake piece 203, 213 wearing and tearing, long service life, security and reliability are high. In addition, as the hoop 2 has small deformation and small holding tension, the response time of the winch clutch mechanism in the process from the holding state to the opening state is short, and the sensitivity of the winch clutch mechanism is high.
In order to adjust the fit degree of the brake pads 203 and 213 to the brake drum and the clutch clearance, the clutch clearance refers to the clearance between the brake pads 203 and 213 and the brake drum when the anchor ear 2 is opened. In a further technical scheme, the anchor ear 2 comprises a first section anchor ear 20, a second section anchor ear 21 and an anchor ear adjusting device 22, wherein a first brake piece 203 is arranged on the inner surface of the first section anchor ear 20, and a second brake piece 213 is arranged on the inner surface of the second section anchor ear 21. A first adjusting block 202 is arranged at one end of the first section of hoop 20, and a second adjusting block 212 is arranged at one end of the second section of hoop 21; the hoop adjusting device 22 is connected with the first adjusting block 202 and the second adjusting block 212, an adjusting bolt 220 and a fixing bolt 221 are installed on the hoop adjusting device 22, the fixing bolt 221 is used for fixing the first adjusting block 202 and the second adjusting block 212, and the adjusting bolt 220 is used for adjusting the distance between the first adjusting block 202 and the second adjusting block 212. After the fixing bolt 221 is loosened, the gap between the first adjusting block 202 and the second adjusting block 212 is adjusted by screwing the adjusting bolt 220 by using a wrench, and the fit degree and the clutch gap between the brake pads 203 and 213 and the brake drum are adjusted.
The driving mechanism 3 comprises a crank arm 30, a clutch oil cylinder 31 and a spring cylinder 32; the crank arm 30 is hinged with the first connecting rod 201 at the point B, the crank arm 30 is hinged with the driving disc 1 at the point O, two ends of the clutch oil cylinder 31 are respectively hinged with the crank arm 30 and the driving disc 1, the clutch oil cylinder 31 is hinged with the crank arm 30 at the point C, two ends of the spring cylinder 32 are respectively hinged with the crank arm 30 and the driving disc 1, the spring cylinder 32 is hinged with the crank arm 30 at the point A, a connecting line between the point A, the point B and the point C forms a triangle, and the point O is positioned in the middle of the triangle. When the clutch oil cylinder 31 is extended, the spring in the spring cylinder 32 is compressed, the crank arm 30 drives the anchor ear 2 to rotate anticlockwise, and the anchor ear 2 is tightly held. When the clutch cylinder 31 is depressurized, the spring cylinder 32 stretches under the action of the spring, the crank arm 30 drives the anchor ear 2 to rotate clockwise, and the anchor ear 2 is loosened. The hoop 2 is cyclically swung by the first connecting rod 201 and the second connecting rod 211 during repeated continuous holding and opening.
The techniques not described above are common general knowledge to a person skilled in the art. The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (5)
1. The winch embracing type clutch mechanism is characterized in that an anchor ear (2) and a driving mechanism (3) are arranged on a driving disc (1), the driving mechanism (3) drives the anchor ear (2) to be embraced and opened, and a first end lug (200) and a second end lug (210) are respectively arranged at two ends of the anchor ear (2); one end of the second connecting rod (211) is hinged with the second end lug (210), and the other end of the second connecting rod (211) is hinged with the driving disc (1); one end of a first connecting rod (201) is hinged with the first end lug (200), and the other end of the first connecting rod (201) is connected with the driving mechanism (3).
2. The winch embracing type clutch mechanism according to claim 1, wherein the anchor ear (2) comprises a first section anchor ear (20), a second section anchor ear (21) and an anchor ear adjusting device (22), a first adjusting block (202) is arranged at one end of the first section anchor ear (20), and a second adjusting block (212) is arranged at one end of the second section anchor ear (21); the anchor ear adjusting device (22) is connected with the first adjusting block (202) and the second adjusting block (212), an adjusting bolt (220) and a fixing bolt (221) are arranged on the anchor ear adjusting device (22), the fixing bolt (221) is used for fixing the first adjusting block (202) and the second adjusting block (212), and the adjusting bolt (220) is used for adjusting the distance between the first adjusting block (202) and the second adjusting block (212).
3. The winch clutch mechanism according to claim 2, wherein a first brake pad (203) is mounted on the inner surface of the first section hoop (20), and a second brake pad (213) is mounted on the inner surface of the second section hoop (21).
4. A winch-holding clutch mechanism according to claim 3, characterized in that the driving mechanism (3) comprises a crank arm (30) and a clutch cylinder (31) and a spring cylinder (32); the crank arm (30) is hinged with the first connecting rod (201), the crank arm (30) is arranged on the driving disc (1), two ends of the clutch oil cylinder (31) are respectively hinged with the crank arm (30) and the driving disc (1), two ends of the spring cylinder (32) are respectively hinged with the crank arm (30) and the driving disc (1), the spring cylinder (32) drives the hoop (2) to open, and the clutch oil cylinder (31) drives the hoop (2) to tighten.
5. The winch clasping clutch mechanism according to claim 4, wherein the forward rotation direction of the driving disc (1) is opposite to the clasping direction of the anchor ear (2), and the forward rotation direction of the driving disc (1) is the same as the opening direction of the anchor ear (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321085937.4U CN219792309U (en) | 2023-05-08 | 2023-05-08 | Winding engine holding clutch mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321085937.4U CN219792309U (en) | 2023-05-08 | 2023-05-08 | Winding engine holding clutch mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219792309U true CN219792309U (en) | 2023-10-03 |
Family
ID=88153294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321085937.4U Active CN219792309U (en) | 2023-05-08 | 2023-05-08 | Winding engine holding clutch mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219792309U (en) |
-
2023
- 2023-05-08 CN CN202321085937.4U patent/CN219792309U/en active Active
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