CN109879189A - A kind of winch - Google Patents
A kind of winch Download PDFInfo
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- CN109879189A CN109879189A CN201910101302.0A CN201910101302A CN109879189A CN 109879189 A CN109879189 A CN 109879189A CN 201910101302 A CN201910101302 A CN 201910101302A CN 109879189 A CN109879189 A CN 109879189A
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- clutch
- shaft
- suspension hook
- water
- friction disc
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Abstract
The invention discloses a kind of winches, belong to crane technical field.The winch includes rack, reel, the power mechanism and wirerope for driving spool turns, the other end of wirerope is equipped with suspension hook, winch further includes clutch and arrestment mechanism, the output end of power mechanism and the input terminal of clutch are sequentially connected, one end of reel is coaxially fixed with bull gear, the output end of clutch is engaged with bull gear transmission, and arrestment mechanism is fixed on the rack, and arrestment mechanism is for braking bull gear.When suspension hook zero load decentralization, clutch disconnects the transmission connection between power mechanism and bull gear, to prevent clutch rotation from having an impact to power mechanism.Arrestment mechanism retarding braking bull gear, so that suspension hook is quickly transferred under the action of arrestment mechanism.Without being influenced by the tuning range of variable-frequency motor, the ratio of suspension hook lowering velocity and lifting velocity can be more than the speed adjustable range of 2.5 times of original variable-frequency motor for suspension hook decentralization, substantially increase the operating efficiency of crane.
Description
Technical field
The present invention relates to hoisting machinery field, in particular to a kind of winch.
Background technique
In crane engineering goods field, as crane machine applications range is constantly expanded, especially make in crane
The high industry of industry efficiency requirements, such as operation on the sea crane, wind-powered electricity generation erection crane, crane job efficiency means that operation is transported
With cost, and the lifting velocity of winch suspension hook and decrease speed are to influence one of crane job efficiency major parameter.
Under normal conditions, winch is driven using variable-frequency motor, it is by adjusting the frequency of supply of variable-frequency motor, i.e., changeable to twist
The lifting velocity and lowering velocity of vehicle suspension hook realize the multi gear speed operation of winch.But by the shadow of variable-frequency motor tuning range
(speed regulation of 2.5 speed ranges can be achieved in variable-frequency motor maximum) is rung, the multi gear slewing range of winch is limited.It is empty in the suspension hook of winch
When carrying decentralization, the lowering velocity of suspension hook is slower, to reduce crane job efficiency.
Summary of the invention
The embodiment of the invention provides a kind of winches, and the quick decentralization of suspension hook may be implemented, and improve the operation people of crane
Efficiency.The technical solution is as follows:
The present invention provides a kind of winch, the winch includes rack, the reel being arranged in the rack and for driving
The power mechanism of the spool turns is moved, wirerope is wound on the reel, one end of the wirerope is fixed on the volume
On cylinder, the other end of the wirerope is equipped with suspension hook, and the winch further includes clutch and arrestment mechanism, the power mechanism
Output end and the input terminal of the clutch be sequentially connected, one end of the reel is coaxially fixed with bull gear, it is described from
The output end for closing mechanism is engaged with bull gear transmission, and the arrestment mechanism is for braking the bull gear；
The clutch is configured as, and when suspension hook zero load decentralization, disconnects the power mechanism and the canine tooth
Transmission connection between circle；
The arrestment mechanism is configured as, when suspension hook zero load decentralization, bull gear described in retarding braking.
Further, the arrestment mechanism includes water-cooled brake and brake tooth wheel shaft, the shaft end of the brake tooth wheel shaft
It is connect with the water-cooled brake, the gear end of the brake tooth wheel shaft passes through the rack and the large ring gear meshing.
Further, the arrestment mechanism further includes water-cooled brake pumping plant, the Inlet and outlet water of the water-cooled brake pumping plant
Mouth is connected to the intake-outlet of the water-cooled brake, and the water-cooled brake includes multiple first inner attrition pieces, multiple first
Outside friction disc and multiple first outside friction disc mounting plates pass through elasticity between the first outside friction disc mounting plate of adjacent two
Sealing element connection, forms seal casinghousing, and the seal casinghousing is set in outside the brake tooth wheel shaft, multiple first external frictions
Piece is respectively and fixedly installed on multiple first outside friction disc mounting plates, first inner attrition piece and first external friction
Piece is arranged along the axial direction of the brake tooth wheel shaft, and friction in described first is equipped between first outside friction disc of adjacent two
Piece, and first inner attrition piece is fixed on the shaft end of the brake tooth wheel shaft；
The water-cooled brake pumping plant is configured as, when the suspension hook zero load decentralization when, Xiang Suoshu water-cooled brake into
Water outlet provides the aqueous medium of setting pressure, slides first inner attrition piece under the action of water pressure with first outside friction disc
Dynamic friction.
Further, the rack is equipped with spragging gear shaft mounting hole, is equipped with axis in the spragging gear shaft mounting hole
It holds, the shaft end of the brake tooth wheel shaft is mounted in the bearing.
Further, the clutch includes hydraulic clutch and output gear shaft, the shaft end of the output gear shaft
It is connect with the hydraulic clutch, the gear end of the output gear shaft passes through the rack and the large ring gear meshing.
Further, the clutch further includes hydraulic clutch pumping plant, the disengaging oil of the hydraulic clutch pumping plant
Mouth is connected to the oil inlet and outlet of the hydraulic clutch, and the hydraulic clutch includes the second inner attrition piece, the second outside friction disc
And shell, second inner attrition piece and second outside friction disc are arranged along the axial alternate intervals of the shell, and described
Second outside friction disc is fixed on the housing, and the output shaft of the power mechanism is co-axially located in the shell, and described the
Two inner attrition pieces are fixed on the output shaft of the power mechanism；
The hydraulic clutch pumping plant is configured as, and when suspension hook zero load decentralization, is recycled in the hydraulic clutch
Hydraulic oil, separate second inner attrition piece with second outside friction disc.
Further, the output gear shaft and the hydraulic clutch are sequentially connected by connector.
Further, the connector includes cylinder, flanged plate and bolt, and the cylinder is set in the output gear shaft
Shaft end outside, and the shaft end of the output gear shaft and the cylinder are keyed, and one end of the cylinder is equipped with the flanged plate,
The flanged plate is fixedly connected with the shell of the hydraulic clutch by the bolt.
Further, the rack is equipped with output gear shaft mounting hole, is equipped with axis in the output gear shaft mounting hole
It holds, the shaft end of the output gear shaft is mounted in the bearing.
Further, the winch includes at least a set of power mechanism, at least a set of clutch and at least a set of braking
Mechanism.
Technical solution provided in an embodiment of the present invention has the benefit that
When suspension hook needs quickly decentralization, transfer suspension hook zero load, the bull gear on reel and reel can rotate at this time, by
Engaged in output end and the bull gear transmission of clutch, therefore clutch can rotate under the drive of bull gear, at this time from
The transmission connection between mechanism disconnection power mechanism and bull gear is closed, prevents clutch rotation from having an impact to power mechanism.
Arrestment mechanism retarding braking bull gear simultaneously, so that suspension hook is quickly transferred under the action of arrestment mechanism.Suspension hook decentralization without by
The ratio of the influence of the tuning range of variable-frequency motor, suspension hook lowering velocity and lifting velocity can be more than original variable-frequency motor
2.5 times of speed adjustable range substantially increases the operating efficiency of crane.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of partial structure diagram of winch provided in an embodiment of the present invention；
Fig. 2 is a kind of side view of winch provided in an embodiment of the present invention；
Fig. 3 is the Section A-A figure in Fig. 2；
Fig. 4 is a kind of structural schematic diagram of water-cooled brake provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of water-cooled brake pumping plant provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of clutch provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of hydraulic clutch pumping plant provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention provides a kind of winch, Fig. 1 is a kind of part-structure of winch provided in an embodiment of the present invention
Schematic diagram, Fig. 2 are a kind of side views of winch provided in an embodiment of the present invention, and as depicted in figs. 1 and 2, which includes rack
10, the reel 20 being arranged in rack 10 and the power mechanism 30 for driving reel 20 to rotate.Steel wire is wound on reel 20
Rope (not shown), one end of wirerope are fixed on reel 20, and the other end of wirerope is equipped with suspension hook (not shown).
The winch further includes clutch 40 and arrestment mechanism 50, and the output end of power mechanism 30 and the input terminal of clutch 40 are driven
Connection, the side of reel 20 are coaxially fixed with bull gear 20a, and the output end of clutch 40 is engaged with bull gear 20a transmission.System
Motivation structure 50 is fixed in rack 10, and arrestment mechanism 50 is for braking bull gear 20a.
Clutch 40 is configured as, and when suspension hook zero load decentralization, disconnects the biography between power mechanism 30 and bull gear 20a
Dynamic connection.
Arrestment mechanism 50 is configured as, when suspension hook zero load decentralization, retarding braking bull gear 20a.
In the embodiment of the present invention, when suspension hook needs quickly decentralization, transfer suspension hook zero load, at this time on reel and reel
Bull gear can rotate, and since the output end of clutch is engaged with bull gear transmission, clutch can be in the band of bull gear
Dynamic lower rotation, clutch disconnects the transmission connection between power mechanism and bull gear at this time, prevents clutch rotation to dynamic
Force mechanisms have an impact.Arrestment mechanism retarding braking bull gear simultaneously, so that suspension hook is quickly transferred under the action of arrestment mechanism.
Without being influenced by the tuning range of variable-frequency motor, the ratio of suspension hook lowering velocity and lifting velocity can be more than original for suspension hook decentralization
The speed adjustable range of 2.5 times of some variable-frequency motors, substantially increases the operating efficiency of crane.
In the present embodiment, at least a set of power mechanism 30, at least a set of clutch be can be set according to actual needs
40 and at least a set of arrestment mechanism 50.
As shown in Figure 1, power mechanism 30 may include variable-frequency motor 31, shaft coupling 32, brake 33 and speed reducer 34.Become
The output shaft of frequency motor 31 is connect with one end of shaft coupling 32, and the other end of shaft coupling 32 is connect with speed reducer 33, speed reducer 33
Output shaft connect with the inner attrition piece 41 of hydraulic clutch 4, brake 33 be set to shaft coupling 32 outside, brake 33 and shaft coupling
32 brake disc cooperation.
Fig. 3 is the Section A-A figure in Fig. 2, as shown in figure 3, arrestment mechanism 50 includes water-cooled brake 51 and spragging gear
Axis 52.The shaft end of brake tooth wheel shaft 52 is connect with water-cooled brake 51, and the gear end of brake tooth wheel shaft 52 is across rack 10 and greatly
Gear ring 20a engagement.
Further, rack 10 is equipped with spragging gear shaft mounting hole 10a, is equipped with axis in spragging gear shaft mounting hole 10a
11 are held, the shaft end of brake tooth wheel shaft 52 is mounted in bearing 11.
Fig. 4 is a kind of structural schematic diagram of water-cooled brake provided in an embodiment of the present invention, as shown in figure 4, water-cooling brake
Device 51 includes multiple first inner attrition piece 51a, multiple first outside friction disc 51b and multiple first outside friction disc mounting plate 51c, phase
It is connected between two adjacent the first outside friction disc mounting plate 51c by elastic sealing element 51d, forms seal casinghousing 511, capsul
Body 511 is set in outside the brake tooth wheel shaft 52, and multiple first outside friction disc 51b are respectively and fixedly installed to multiple first external frictions
On piece mounting plate 51c, the first inner attrition piece 51a and the first outside friction disc 51b are arranged along the axial direction of brake tooth wheel shaft 52, adjacent
The first inner attrition piece 51a is equipped between two the first outside friction disc 51b, and the first inner attrition piece 51a is fixed on brake tooth wheel shaft
52 shaft end.
Fig. 5 is a kind of structural schematic diagram of water-cooled brake pumping plant provided in an embodiment of the present invention, as shown in figure 5, braking
Mechanism 50 further includes water-cooled brake pumping plant 53, and water-cooled brake pumping plant 53 includes intake-outlet 53A.Water-cooled brake pumping plant 53
Intake-outlet 53A be connected to the intake-outlet 51A (referring to fig. 4) of water-cooled brake 51.
Water-cooled brake pumping plant 53 is configured as, when suspension hook zero load decentralization, to the intake-outlet 51A of water-cooled brake 51
The aqueous medium of setting pressure is provided, the first inner attrition piece 51a and the first outside friction disc 51b sliding friction under the action of water pressure are made.
Illustratively, as shown in figure 4, water-cooled brake pumping plant 53 is to water-cooled brake 51 when suspension hook zero load decentralization
Intake-outlet 51A provides the aqueous medium of setting pressure, and aqueous medium will push the first outside friction disc mounting plate after entering cavity S1
51c, so that the distance between multiple first outside friction disc mounting plate 51c reduce, elastic sealing element 51d is compressed, water-cooling brake
The distance between first inner attrition piece 51a and the first outside friction disc 51b in device 51 are gradually reduced, until the first inner attrition piece
51a and the first outside friction disc 51b is in close contact, and water-cooled brake 51 is closed.First inner attrition piece 51a or the first external friction at this time
It will drive another when a rotation in piece 51b to rotate together.
When water-cooled brake 51 is opened, the aqueous medium in cavity S1 is back to water-cooled brake by intake-outlet 51A
In pumping plant 53, elastic sealing element 51d gradually extends, and the distance between multiple first outside friction disc mounting plate 51c increase, in first
The distance between friction plate 51a and the first outside friction disc 51b are gradually increased, until the first inner attrition piece 51a and the first external friction
There are certain intervals between piece 51b, another when a rotation in the first inner attrition piece 51a or the first outside friction disc 51b at this time
It is a not rotate.
When water-cooled brake 51 is converted to open state by closed state, or state is converted to close off by open state
When, water-cooled brake 51 can be in sliding friction state, though it is deposited between i.e. the first inner attrition piece 51a and the first outside friction disc 51b
In certain interval, but meeting sliding friction between the first inner attrition piece 51a and the first outside friction disc 51b, generate frictional force.Its
In, by controlling flow and chamber of the water-cooled brake pumping plant 53 to the intake-outlet 51A of water-cooled brake 51 aqueous medium provided
Pressure in body S1, i.e., the size of controllable frictional force.
Illustratively, water-cooled brake 51 is closed type structure.
Further, water-cooled brake 51 further includes water circulation system (not shown), and water circulation system is configured as,
When suspension hook zero load decentralization, driving aqueous medium is constantly cycling in and out water-cooled brake 51, reduces the first inner attrition piece 51a and first
The heat that outside friction disc 51b sliding friction generates realizes the work thermal balance of water-cooled brake 51.
Wherein, the aqueous medium in water circulation system can be the mixed liquor of water and ethylene glycol.
Fig. 6 is a kind of structural schematic diagram of clutch provided in an embodiment of the present invention, as shown in fig. 6, in conjunction with Fig. 1, from
Closing mechanism 40 includes hydraulic clutch 41 and output gear shaft 42, and hydraulic clutch 41 is rotated for controlling output gear shaft 42,
The shaft end of output gear shaft 42 is connect with hydraulic clutch 41, and the gear end of output gear shaft 42 passes through rack 10 and bull gear
20a engagement.
Further, rack 10 is equipped with output gear shaft mounting hole 10b, is equipped with axis in output gear shaft mounting hole 10b
12 are held, the shaft end of output gear shaft 42 is mounted in bearing 12.
Fig. 7 is a kind of structural schematic diagram of hydraulic clutch pumping plant provided in an embodiment of the present invention, as shown in fig. 7, in conjunction with
Fig. 6, clutch 40 further include hydraulic clutch pumping plant 43, the oil inlet and outlet 43A and hydraulic clutch of hydraulic clutch pumping plant 43
The oil inlet and outlet 41A (referring to Fig. 6) of device 41 is connected to.Hydraulic clutch 41 includes the second inner attrition piece 41a, the second outside friction disc
41b and shell 41c, the second inner attrition piece 41a and the second outside friction disc 41b are arranged along the axial alternate intervals of shell 41c, and the
Two outside friction disc 41b are fixed on shell 41c.The output shaft 30a of power mechanism 30 is co-axially located in shell 41c, in second
Friction plate 41a is fixed on the output shaft 30a of power mechanism 30.
Hydraulic clutch pump 43 is configured as, and when suspension hook zero load decentralization, is recycled the hydraulic oil in hydraulic clutch 41, is made
Second inner attrition piece 41a is separated with the second outside friction disc 41b.
Illustratively, as shown in fig. 6, when suspension hook zero load decentralization, hydraulic clutch pump 43 to hydraulic clutch 41 into
Oil outlet 41A provides the hydraulic oil of setting pressure, and hydraulic oil enters meeting after cavity S2 so that the volume of cavity S2 is gradually increased, bullet
Spring 41d gradually extends, and will push the second outside friction disc 41b, so that the distance between each second outside friction disc 41b reduces, directly
It is in close contact to the second inner attrition piece 41a and the second outside friction disc 41b, hydraulic clutch is closed.Second inner attrition piece 41a at this time
It will drive another when with a rotation in the second outside friction disc 41b to rotate together.
When hydraulic clutch 41 is opened, the aqueous medium in cavity S2 is back to hydraulic clutch by oil inlet and outlet 41A
In pump 43, spring 41d is gradually tapered up, and the distance between each second outside friction disc 41b is gradually increased, the second inner attrition piece 41a
The distance between second outside friction disc 41b is gradually increased, until between the second inner attrition piece 41a and the second outside friction disc 41b
There are certain intervals, and when a rotation in the second inner attrition piece 41a or the second outside friction disc 41b at this time, another is not rotated.
Further, as shown in fig. 6, output gear shaft 42 and hydraulic clutch 41 are sequentially connected by connector.
Illustratively, connector may include cylinder 44, flanged plate 45 and bolt 46, and cylinder 44 is set in output gear shaft
Outside 42 shaft end, and the shaft end of output gear shaft 42 and cylinder 44 are keyed, and one end of cylinder 44 is equipped with flanged plate 45, flanged plate
45 are fixedly connected with the shell 41c of hydraulic clutch 41 by bolt 46.
When output gear shaft 42 rotates, the shell 41c of hydraulic clutch 41 and the second outside friction disc 41b are rotated.
Illustratively, hydraulic clutch 41 is closed type structure.
The course of work of winch provided in an embodiment of the present invention under briefly describing below:
1) when winch realizes the movement of suspension hook cargo lifting:
Into hydraulic clutch pumping plant 43, hydraulic clutch 41 is closed for hydraulic oil oil return in hydraulic clutch 41.Clutch
Mechanism 40 is used to the driving force that power mechanism 30 provides passing to output gear shaft 42, drives bull gear by output gear shaft 42
20a rotation.
Bull gear 20a drives brake tooth wheel shaft 52 to rotate, and the water in water-cooled brake 51 is back to water-cooled brake at this time
In pumping plant 53, water-cooled brake 51 is opened.Arrestment mechanism 50 will not brake bull gear.
2) when suspension hook executes unloaded decentralization movement:
43 oil inlet of hydraulic clutch pumping plant into hydraulic clutch 41, open by hydraulic clutch 41.Clutch 40 disconnects
Transmission connection between power mechanism and bull gear prevents the rotation of clutch 40 from having an impact to power mechanism 30.
Bull gear 20a drives brake tooth wheel shaft 52 to rotate, at this time by adjusting water-cooled brake pumping plant 53 to water-cooling brake
The flow velocity and pressure for the aqueous medium that device 51 provides may make water-cooled brake 51 to be in sliding friction state, friction in first
Piece 51a and the first outside friction disc 51b sliding friction under the action of water pressure generate frictional force.
Illustratively, as shown in Figure 1, the frictional force can be transformed into the resistance for hindering brake tooth wheel shaft 52 to rotate, to subtract
Speed braking bull gear 20a, makes suspension hook controlled decentralization under the brake force that arrestment mechanism 50 provides on reel, rather than carries out certainly
The quick decentralization of suspension hook is realized while guaranteeing that suspension hook decentralization is safe by falling.
Using winch provided by the invention, suspension hook lowering velocity can achieve 10 times compared with the ratio of lifting speed, much greatly
In 2.5 times of speed adjustable range of existing frequency modulation motor.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of winch, the winch includes rack (10), the reel (20) being arranged on the rack (10) and for driving
The power mechanism (30) of the reel (20) rotation is wound with wirerope on the reel (20), and one end of the wirerope is solid
It is scheduled on the reel (20), the other end of the wirerope is equipped with suspension hook, which is characterized in that the winch further includes clutch
Structure (40) and arrestment mechanism (50), the output end of the power mechanism (30) and the input terminal of the clutch (40) are driven and connect
It connects, one end of the reel (20) is coaxially fixed with bull gear (20a), the output end and the canine tooth of the clutch (40)
(20a) transmission engagement is enclosed, the arrestment mechanism (50) is for braking the bull gear (20a)；
The clutch (40) is configured as, and when suspension hook zero load decentralization, disconnects the power mechanism (30) and described
Transmission connection between bull gear (20a)；
The arrestment mechanism (50) is configured as, when suspension hook zero load decentralization, bull gear (20a) described in retarding braking.
2. winch according to claim 1, which is characterized in that the arrestment mechanism (50) include water-cooled brake (51) and
The shaft end of brake tooth wheel shaft (52), the brake tooth wheel shaft (52) is connect with the water-cooled brake (51), the spragging gear
The gear end of axis (52) passes through the rack (10) and engages with the bull gear (20a).
3. winch according to claim 2, which is characterized in that the arrestment mechanism (50) further includes water-cooled brake pumping plant
(53), the intake-outlet of the water-cooled brake pumping plant (53) is connected to the intake-outlet of the water-cooled brake (51), described
Water-cooled brake (51) includes multiple first inner attrition pieces (51a), multiple first outside friction discs (51b) and multiple first external frictions
Piece mounting plate (51c), between the first outside friction disc mounting plate (51c) of adjacent two even by elastic sealing element (51d)
It connecing, is formed seal casinghousing (511), the seal casinghousing (511) is set in the brake tooth wheel shaft (52) outside, and multiple described first
Outside friction disc (51b) is respectively and fixedly installed on multiple first outside friction disc mounting plates (51c), first inner attrition piece
(51a) and first outside friction disc (51b) are arranged along the axial direction of the brake tooth wheel shaft (52), and adjacent two described first
Be equipped with first inner attrition piece (51a) between outside friction disc (51b), and first inner attrition piece (51a) be fixed on it is described
The shaft end of brake tooth wheel shaft (52)；
The water-cooled brake pumping plant (53) is configured as, when suspension hook zero load decentralization, Xiang Suoshu water-cooled brake (51)
Intake-outlet provide setting pressure aqueous medium, make first inner attrition piece (51a) and first outside friction disc (51b)
Sliding friction under the action of water pressure.
4. winch according to claim 2, which is characterized in that the rack (10) is equipped with spragging gear shaft mounting hole
(10a), the spragging gear shaft mounting hole (10a) is interior to be equipped with bearing (11), and the shaft end of the brake tooth wheel shaft (52) is mounted on
In the bearing (11).
5. winch according to claim 1, which is characterized in that the clutch (40) include hydraulic clutch (41) and
The shaft end of output gear shaft (42), the output gear shaft (42) is connect with the hydraulic clutch (41), the output gear
The gear end of axis (42) passes through the rack (10) and engages with the bull gear (20a).
6. winch according to claim 5, which is characterized in that the clutch (40) further includes hydraulic clutch pumping plant
(43), the oil inlet and outlet of the hydraulic clutch pumping plant (43) is connected to the oil inlet and outlet of the hydraulic clutch (41), described
Hydraulic clutch (41) includes the second inner attrition piece (41a), the second outside friction disc (41b) and shell (41c), is rubbed in described second
Pad (41a) and second outside friction disc (41b) are arranged along the axial alternate intervals of the shell (41c), and described second
Outside friction disc (41b) is fixed on the shell (41c), and the output shaft (30a) of the power mechanism (30) is co-axially located at institute
It states in shell (41c), second inner attrition piece (41b) is fixed on the output shaft (30a) of the power mechanism (30)；
The hydraulic clutch pumping plant (43) is configured as, and when suspension hook zero load decentralization, recycles the hydraulic clutch
(41) hydraulic oil in separates second inner attrition piece (41a) with second outside friction disc (41b).
7. winch according to claim 6, which is characterized in that the output gear shaft (42) and the hydraulic clutch
(41) it is sequentially connected by connector (60).
8. winch according to claim 7, which is characterized in that the connector (60) includes cylinder (61), flanged plate
(62) and bolt (63), the cylinder (61) is set in outside the shaft end of the output gear shaft (42), and the output gear shaft
(42) shaft end and the cylinder (61) is keyed, and one end of the cylinder (61) is equipped with the flanged plate (62), the flange
Plate (62) is fixedly connected with the shell (41c) of the hydraulic clutch (41) by the bolt (63).
9. winch according to claim 8, which is characterized in that the rack (10) is equipped with output gear shaft mounting hole
(10b), the output gear shaft mounting hole (10b) is interior to be equipped with bearing (12), and the shaft end of the output gear shaft (42) is mounted on
In the bearing (12).
10. described in any item winches according to claim 1~9, which is characterized in that the winch includes at least a set of engine
Structure (30), at least a set of clutch (40) and at least a set of arrestment mechanism (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101302.0A CN109879189B (en) | 2019-01-31 | 2019-01-31 | Winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101302.0A CN109879189B (en) | 2019-01-31 | 2019-01-31 | Winch |
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| Publication Number | Publication Date |
|---|---|
| CN109879189A true CN109879189A (en) | 2019-06-14 |
| CN109879189B CN109879189B (en) | 2021-07-02 |
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ID=66927733
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910101302.0A Active CN109879189B (en) | 2019-01-31 | 2019-01-31 | Winch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250629A (en) * | 2021-05-27 | 2021-08-13 | 杨承武 | Electromechanical integrated workover rig |
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