CN210419039U - Silent winch - Google Patents
Silent winch Download PDFInfo
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- CN210419039U CN210419039U CN201920547567.9U CN201920547567U CN210419039U CN 210419039 U CN210419039 U CN 210419039U CN 201920547567 U CN201920547567 U CN 201920547567U CN 210419039 U CN210419039 U CN 210419039U
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- gear
- assembly
- transmission shaft
- subassembly
- winch
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Abstract
The utility model discloses a noiseless winch, include: frame, transmission shaft subassembly, reel subassembly and auto-lock subassembly are installed on the frame, and the transmission shaft subassembly is connected in reel subassembly and auto-lock subassembly, and the drive transmission shaft subassembly drives the reel subassembly and rotates in order to promote or fall the article, and the auto-lock subassembly includes: the one-way bearing is sleeved with the first gear, the first gear is meshed with the transmission shaft assembly, the transmission shaft assembly drives the one-way bearing and the first gear to rotate along a first direction when an object is lifted, the transmission shaft assembly stops driving when the object is lifted to a required position, the one-way bearing is self-locked, so that the first gear stops rotating to limit the transmission shaft assembly to rotate along a second direction opposite to the first direction, and the object is kept at the existing position.
Description
Technical Field
The utility model relates to a silence is from locking-type noiseless winch.
Background
Most of winches in the prior art adopt a ratchet type structure to lift objects up and down, but the ratchet type structure can generate harsh noise in the using process, great discomfort is brought to users, and the using environment of the winch is severely limited. There is therefore an urgent need to develop a silent winch that overcomes the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a noiseless winch is proposed is put forward, include: frame, drive shaft subassembly, reel subassembly and auto-lock subassembly, the drive shaft subassembly the reel subassembly reaches the auto-lock subassembly is installed on the frame, the drive shaft subassembly connect in the reel subassembly reaches the auto-lock subassembly, the drive shaft subassembly drives the reel subassembly rotates in order to promote or to fall the article, wherein, the auto-lock subassembly includes: the first gear is sleeved on the one-way bearing, the first gear is meshed with the transmission shaft assembly, the transmission shaft assembly drives the one-way bearing and the first gear to rotate along a first direction when the object is lifted, the transmission shaft assembly stops driving when the object is lifted to a required position, and the one-way bearing is self-locked to enable the first gear to stop rotating so as to limit the transmission shaft assembly to rotate along a second direction opposite to the first direction, so that the object is kept at the existing position.
In the silent winch, the self-locking assembly further comprises a positioning shaft, the positioning shaft is mounted on the frame, and the one-way bearing is sleeved on the positioning shaft.
The above silent winch further comprises a driving assembly, wherein the driving assembly drives the transmission shaft assembly.
In the silent winch, the driving assembly is an electric driving assembly, and the electric driving assembly includes a motor, and the motor is connected to and drives the transmission shaft assembly.
In the silent winch, the driving assembly is a hydraulic driving assembly, the hydraulic driving assembly includes a hydraulic motor, and the hydraulic motor is connected with and drives the transmission shaft assembly.
In the silent winch, the driving assembly is a pneumatic driving assembly, the pneumatic driving assembly includes a cylinder, and the cylinder is connected with and drives the transmission shaft assembly.
Foretell silent winch, wherein, drive assembly is hand drive assembly, hand drive assembly includes the rocking handle, the rocking handle is connected and is driven the transmission shaft subassembly.
The above silent winch, wherein the frame has two side portions arranged in parallel, and the propeller shaft assembly comprises:
the transmission shaft penetrates through the two side parts, and one end of the transmission shaft is connected to the driving assembly;
the second gear is sleeved and in threaded connection with the transmission shaft, is also meshed with the winding drum assembly and drives the driving assembly to rotate so that the second gear drives the winding drum assembly to move to lift or lower the object;
the third gear is sleeved on the transmission shaft and meshed with the first gear, when the object is lifted, the second gear moves on the transmission shaft to be tightly attached to the third gear, and when the one-way bearing is self-locked, the third gear is limited by the first gear to act so that the second gear stops acting.
The above silent winch, wherein said drive shaft assembly further comprises:
the two friction plates are sleeved on the transmission shaft and are attached to two sides of the third gear in a leaning manner;
the two retaining rings are sleeved on the transmission shaft and are respectively positioned on the outer sides of the two friction plates; when the object is lifted, the second gear moves on the transmission shaft so that the second gear and the retainer ring clamp the transition plate, the two friction plates and the third gear to form a rigid integrated structure.
The above silent winch, wherein said drum assembly comprises:
the rotating shaft penetrates through the two side parts;
the winding drum is sleeved on the rotating shaft and is provided with a cable;
and the fourth gear is arranged on the winding drum and meshed with the second gear.
The above-mentioned silent winch is characterized by further comprising:
the first cover body is arranged on the frame and positioned between the two side parts;
the second cover body is arranged on one side part.
The utility model discloses to its efficiency of prior art lie in:
1. when the winch is passively reversed, the self-locking of the brake can be realized, and no noise is generated in the whole operation process;
2. the utility model discloses simple structure, simple to operate.
Drawings
Fig. 1 is a schematic view of the appearance structure of the silent winch of the present invention;
FIG. 2 is an assembled schematic view of some of the components of FIG. 1;
fig. 3 is an exploded schematic view of fig. 1.
Detailed Description
The detailed description and technical description of the present invention are further described with reference to a preferred embodiment, but should not be construed as limiting the practice of the invention.
Referring to fig. 1-3, fig. 1 is a schematic view of the appearance structure of the silent winch of the present invention; FIG. 2 is an assembled schematic view of some of the components of FIG. 1; fig. 3 is an exploded schematic view of fig. 1. As shown in fig. 1 to 3, the silent winch 1 of the present invention includes: the vehicle frame comprises a vehicle frame 11, a transmission shaft assembly 12, a winding drum assembly 13 and a self-locking assembly 14, wherein the transmission shaft assembly 12, the winding drum assembly 13 and the self-locking assembly 14 are arranged on the vehicle frame 11, the transmission shaft assembly 12 is connected to the winding drum assembly 13 and the self-locking assembly 14, a cable (not shown) is arranged on the winding drum assembly 13, the cable (not shown) is detachably connected with an object, and the transmission shaft assembly 12 is driven to drive the winding drum assembly 13 to rotate so as to lift or lower the object.
Wherein, frame 11 has two lateral parts 111, 112 of parallel arrangement, and auto-lock subassembly 14 includes: a positioning shaft 141, a one-way bearing 142, and a first gear 143; the positioning shaft 141 is arranged on the side part 111 in a penetrating way; the one-way bearing 142 is sleeved on the positioning shaft 141; the first gear 143 is sleeved on the one-way bearing 142, the first gear 143 is engaged with the transmission shaft assembly 12, when the object is lifted, the transmission shaft assembly 12 drives the one-way bearing 142 and the first gear 143 to rotate along a first direction, when the object is lifted to a desired position, the transmission shaft assembly 12 is stopped to be driven, the one-way bearing 142 is self-locked, so that the first gear 143 stops rotating to limit the transmission shaft assembly 12 to rotate along a second direction opposite to the first direction, and the object is kept at the existing position. In the present embodiment, the side portion 111 is provided with a mounting hole K1, the positioning shaft 141 is inserted into the mounting hole K1, and the one-way bearing 142 and the first gear 143 are mounted on the positioning shaft 141 and located outside the side portion 111.
In this embodiment, the self-locking assembly 14 further includes: the first bearing end cover G1 and the first bearing Z1, the first bearing end cover G1 and the first bearing Z1 are sequentially sleeved on the positioning shaft 141, and the first bearing end cover G1 abuts against the first gear 143.
Still further, silent winch still includes drive assembly 17, and drive assembly 17 drives transmission shaft assembly 12, and in this embodiment, drive assembly 17 is hand drive assembly, and hand drive assembly includes rocking handle 171, and transmission shaft assembly 12 includes: the transmission shaft 121, the second gear 122, the third gear 124 of the rocking handle 171, the two retainer rings 125, 126 and the two friction plates 1271, 1272; the transmission shaft 121 is arranged on the two side parts 111 and 112 in a penetrating way; the second gear 122 is sleeved and screwed on the transmission shaft 121, and the second gear 122 is also meshed with the winding drum assembly 13; the rocking handle 171 is connected to one end of the transmission shaft 121, and the second gear 122 drives the winding drum assembly 13 to move by rotating the rocking handle 171 so as to lift or lower the object; the third gear 124 is sleeved on the transmission shaft 121 and located between the second gear 122 and the rocking handle 171, the third gear 124 is also meshed with the first gear 143, when the object is lifted, the second gear 122 moves on the transmission shaft 121 to be tightly attached to the third gear 124, and when the one-way bearing 142 is self-locked, the first gear 142 limits the third gear 124 to move so that the second gear 122 stops moving; the friction plates 1271 and 1272 are sleeved on the transmission shaft 121 and are attached to two sides of the third gear 124; the two retainer rings 125 and 126 are sleeved on the transmission shaft 121, the retainer ring 125 is located between the friction plate 1271 and the second gear 122, and the retainer ring 126 is located between the friction plate 1272 and the third bearing Z3; when the object is lifted, the second gear 122 moves on the transmission shaft 121 so that the second gear 122 and the retainer ring 126 clamp the transition plate 125, the two friction plates 1271 and 1272 and the third gear 124 to form a rigid integrated structure, and thus the first gear 143 plays a role in limiting the motion of the second gear 122 when the self-locking assembly 14 performs self-locking.
Wherein, seted up mounting hole K2, K3 on two lateral parts 111, 112 respectively, the transmission shaft 121 wears to locate on mounting hole K2, K3, and transmission shaft assembly 12 still includes: a second bearing end cap G2, a second bearing Z2, an axial positioning sleeve T, a third bearing Z3, a nut 128 and a shielding cap 129; the second bearing Z2 is sleeved on the other end of the transmission shaft 121; the second bearing end cover G2 is sleeved on the second bearing Z2; the axial positioning sleeve T is sleeved on the transmission shaft 121 to limit the reverse axial movement of the second gear 122 on the transmission shaft 121, that is, the second gear 122 only moves axially between the axial positioning sleeve T and the transition piece 125 through the axial positioning sleeve T and the transition piece 125; the third bearing Z3 is arranged on the transmission shaft 121 and is positioned between the baffle plate 126 and the rocking handle 171; a nut 128 is screwed to one end of the drive shaft 121; the shield cover 129 covers the nut 128.
Still further, the reel assembly 13 includes: a rotating shaft 131, a reel 132 and a fourth gear 133; the rotating shaft 131 penetrates through the two side parts 111 and 112; the winding drum 132 is sleeved on the rotating shaft 131, and the cable (not shown) is disposed thereon; a fourth gear 133 is mounted on the drum 132, and the fourth gear 133 is engaged with the second gear 122.
Further, the silent winch 1 further includes: a first cover 15 and a second cover 16; the first cover 15 is mounted on the frame 11 and located between the two side portions 111 and 112; the second cover 16 is mounted on the side portion 111 and located outside the side portion 111.
One end of the transmission shaft 121 is fixed on the second cover 16 through a third bearing Z3, the other end of the transmission shaft is fixed on the side part 112 through a second bearing Z2, the third bearing Z3 fixes the inner ring of the bearing through the shaft shoulder of the transmission shaft 121, and fixes the outer ring of the bearing through the second cover 16; the axial positioning sleeve T is fixed on the transmission shaft 121 through a pin shaft (not shown), a square hole K4 is designed on the retainer ring 126 and is fixedly installed on the square structure 1211 of the transmission shaft 121 to ensure that the retainer ring 126 can synchronously rotate along with the transmission shaft 121, and meanwhile, a pin hole is designed on the retainer ring 126 to fix the retainer ring 126 and the transmission shaft 121 together through another pin shaft (not shown); the inner hole of the second gear 122 is provided with threads, the second gear 122 is in threaded connection with the transmission shaft 121, the retainer ring 126, the friction plate 1271, the third gear 124, the friction plate 1272 and the transition plate 124 are axially and floatingly mounted on the transmission shaft 121, when the transmission shaft 121 is rotated by the rocking handle 171, the second gear 122 is axially kept static due to inertia of a suspension system and gravity of a weight hung at a rope end and does not immediately rotate along the transmission shaft 121, so that a relative rotation speed is generated between the transmission shaft 121 and the second gear 122, due to the action of a thread pair, the second gear 122 gradually moves along the transmission shaft 121 towards the third gear 124, the axial distance between the second gear 122 and the retainer ring 126 is gradually reduced, the friction plate 1271, the third gear 124, the friction plate 1272 and the transition plate 125 are gradually pressed, and when the pressing force reaches a certain degree, due to the friction force action of the friction plates 1271 and 1272, The transition plate 125, the friction plate 1271, the third gear 124, the friction plate 1272 and the retainer ring 126 form a fixed rigid body, and the third gear 124 can synchronously rotate along with the second gear 122.
The first bearing Z1, the first bearing end cover G1, the one-way bearing 142, and the first gear 143 are sequentially mounted on the positioning shaft 141, one end of the positioning shaft 141 passes through the side 111 and is fixed on the second cover 16 through the first bearing Z1, wherein the inner ring of the second cover 16 is mounted on the positioning shaft 141 through key fitting, the outer ring of the one-way bearing 142 and the first gear 143 are fixed together through key fitting, and due to the feature that the one-way bearing 142 can freely rotate only in one direction and is locked in the other direction, the first gear 143 has the movement feature of the one-way bearing 142, that is, can freely rotate only in one direction and is locked in the other direction.
It should be noted that the present invention is not limited to the driving manner of the driving assembly, in an embodiment of the present invention, the driving assembly is an electric driving assembly, an electric driving assembly motor, and a transmission shaft of the motor connection and driving transmission shaft assembly. The utility model discloses an in the embodiment, drive assembly is the hydraulic drive subassembly, and the hydraulic drive subassembly includes hydraulic motor, and hydraulic motor connects and drives the transmission shaft of transmission shaft subassembly. The utility model discloses an in the embodiment, drive assembly is pneumatic drive assembly, and pneumatic drive assembly includes the cylinder, and the transmission shaft of just driving the transmission shaft subassembly is connected to the cylinder.
The working process of the silent winch of the present invention is illustrated in the following with reference to fig. 1 to 3:
when the object is lifted, the rocking handle 171 is rotated clockwise, the second gear 122 is driven by the inertia force to move spirally and press the retaining rings 126 and 125, the friction plates 1271 and 1272 and the third gear 124, at this time, the transmission shaft assembly 12 forms a rigid body under the action of the friction force, the second gear 122 is meshed with the fourth gear 133, the third gear 124 is meshed with the first gear 143, the second gear 122 drives the fourth gear 133 to rotate clockwise to lift the object, and simultaneously, the third gear 124 drives the first gear 143 to rotate clockwise, that is, the clockwise direction is the first direction;
when the object is lowered, the second gear 122 is driven by the inertia force to move inward, at this time, the rigid body state of the transmission shaft assembly 12 is released, the axial positioning sleeve T limits the second gear 122 at a designated position to ensure that the second gear 122 is still engaged with the fourth gear 133, the second gear 122 rotates counterclockwise to drive the fourth gear 133, and at this time, the first gear 143 does not rotate;
during self-locking, the reverse load of the object drives the second gear 122 to press the friction plates 1271 and 1272 and the third gear 124, and at this time, the transmission shaft assembly 12 is still a rigid body, the third gear 124 is meshed with the first gear 143, and self-locking is performed in the counterclockwise direction of the bearing 142, so that the first gear 143 limits the counterclockwise rotation of the third gear 124, that is, the counterclockwise direction is the second direction, and the transmission shaft assembly 12 stops rotating, thereby locking the reel assembly 13.
In summary, when the winch is passively reversed, the utility model can realize brake self-locking, and simultaneously, no noise is generated in the whole operation process; simultaneously the utility model discloses simple structure, simple to operate.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and the essential characteristics of the present invention, but these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (11)
1. A silent winch comprising: frame, drive shaft subassembly, reel subassembly and auto-lock subassembly, the drive shaft subassembly the reel subassembly reaches the auto-lock subassembly install in on the frame, the drive shaft subassembly connect in the reel subassembly reaches the auto-lock subassembly, the drive shaft subassembly drives the reel subassembly rotates in order to promote or to descend the article, its characterized in that, the auto-lock subassembly includes: the first gear is sleeved on the one-way bearing, the first gear is meshed with the transmission shaft assembly, the transmission shaft assembly drives the one-way bearing and the first gear to rotate along a first direction when the object is lifted, the transmission shaft assembly stops driving when the object is lifted to a required position, and the one-way bearing is self-locked to enable the first gear to stop rotating so as to limit the transmission shaft assembly to rotate along a second direction opposite to the first direction, so that the object is kept at the existing position.
2. The silent winch of claim 1, wherein the self-locking assembly further comprises a positioning shaft, the positioning shaft is mounted on the frame, and the one-way bearing is sleeved on the positioning shaft.
3. The silent winch of claim 1, further comprising a drive assembly that drives the driveshaft assembly.
4. The silent winch of claim 3, wherein said drive assembly is an electric drive assembly comprising a motor connected to and driving said driveshaft assembly.
5. The silent winch of claim 3, wherein said drive assembly is a hydraulic drive assembly comprising a hydraulic motor connected to and driving said driveshaft assembly.
6. The silent winch of claim 3, wherein said drive assembly is a pneumatic drive assembly comprising a pneumatic cylinder that is connected to and drives said driveshaft assembly.
7. The silent winch of claim 3, wherein the drive assembly is a hand drive assembly comprising a crank that is connected to and drives the driveshaft assembly.
8. The silent winch of claim 3, wherein said frame has two sides disposed in parallel, said drive shaft assembly comprising:
the transmission shaft penetrates through the two side parts, and one end of the transmission shaft is connected with the driving assembly;
the second gear is sleeved and in threaded connection with the transmission shaft, is also meshed with the winding drum assembly and drives the driving assembly to rotate so that the second gear drives the winding drum assembly to move to lift or lower the object;
the third gear is sleeved on the transmission shaft and meshed with the first gear, when the object is lifted, the second gear moves on the transmission shaft to be tightly attached to the third gear, and when the one-way bearing is self-locked, the third gear is limited by the first gear to act so that the second gear stops acting.
9. The silent winch of claim 8, wherein the driveshaft assembly further comprises:
the two friction plates are sleeved on the transmission shaft and are attached to two sides of the third gear in a leaning manner;
the two retaining rings are sleeved on the transmission shaft and are respectively positioned on the outer sides of the two friction plates;
the transition piece is sleeved on the transmission shaft and is positioned between the second gear and the friction plate;
when the object is lifted, the second gear moves on the transmission shaft so that the second gear and the retainer ring clamp the transition plate, the two friction plates and the third gear to form a rigid integrated structure.
10. The silent winch of claim 8, wherein said drum assembly comprises:
the rotating shaft penetrates through the two side parts;
the winding drum is sleeved on the rotating shaft and is provided with a cable;
and the fourth gear is arranged on the winding drum and meshed with the second gear.
11. The silent winch of claim 8, further comprising:
the first cover body is arranged on the frame and positioned between the two side parts;
the second cover body is arranged on one side part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920547567.9U CN210419039U (en) | 2019-04-19 | 2019-04-19 | Silent winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920547567.9U CN210419039U (en) | 2019-04-19 | 2019-04-19 | Silent winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210419039U true CN210419039U (en) | 2020-04-28 |
Family
ID=70361941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920547567.9U Active CN210419039U (en) | 2019-04-19 | 2019-04-19 | Silent winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210419039U (en) |
-
2019
- 2019-04-19 CN CN201920547567.9U patent/CN210419039U/en active Active
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