CN110155865A - A kind of hoist engine assembling structure and its installation method - Google Patents
A kind of hoist engine assembling structure and its installation method Download PDFInfo
- Publication number
- CN110155865A CN110155865A CN201910398435.9A CN201910398435A CN110155865A CN 110155865 A CN110155865 A CN 110155865A CN 201910398435 A CN201910398435 A CN 201910398435A CN 110155865 A CN110155865 A CN 110155865A
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- Prior art keywords
- reel
- hoist engine
- wirerope
- parameter
- mounting base
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/06—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable positively attached to a winding drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B15/00—Main component parts of mining-hoist winding devices
- B66B15/02—Rope or cable carriers
- B66B15/06—Drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The present invention relates to a kind of hoist engine assembling structure and its installation methods.Existing hoist engine leads to put rope angle and becomes larger because resilient cushion deforms, and influences using safe.The present invention includes mounting base, hoist engine and reel, hoist engine drives spool turns, the axis of reel is to be obliquely installed, the epitaxial end of reel is lower than linkage end, it is equipped with resilient cushion group between hoist engine and mounting base, sets rope groove on reel, rope angle γ is put in the angle formation between rope groove axis and wirerope, when wirerope stress drives reel to swing, the deformation of resilient cushion group simultaneously makes γ≤1 °.Hoist engine is mounted in mounting base with spool axis angled manner, and the epitaxial end of reel is lower than the setting of driving end, rope angle is put by reducing come the case where effectivelying prevent wirerope to be slid axially along reel periphery wall, preventing wirerope in turn, there is a situation where be detached from corresponding rope groove, ensure that wirerope steadily pulls carriage, it is safe to guarantee that elevator uses.
Description
Technical field
The present invention relates to elevators fields, and in particular to a kind of hoist engine assembling structure and its installation method.
Background technique
Cage type elevator has widely been used in our life, facilitates people upper and lower in skyscraper.Existing compartment
Formula elevator include the hoistway being vertically arranged, the guide rail in hoistway, can in hoistway along the carriage of lifting rail and driving carriage
The driving mechanism of lifting, driving mechanism include the hoist engine, wirerope and pulley blocks of band reel, and reel includes matching with hoist engine
The linkage end of conjunction and outwardly extending epitaxial end, wirerope one end is affixed to be wrapped on the reel of hoist engine, and the other end is affixed
In carriage, middle part is wrapped on pulley blocks, and hoist engine realizes carriage lifting by reel folding and unfolding wirerope.
Existing hoist engine is fixed in shaft bottom by mounting base, and after completing installation, the axis horizontal of reel is arranged,
The high settings such as end and epitaxial end are driven, resilient cushion group is folded between elevator motor spindle and mounting base, this structure is lacked there are following
It falls into: since resilient cushion group is to play the role of slowing down vibration by self-deformation, when carriage internal load is larger, the weight of carriage
Power can be by the way that in wire rope transfers to reel, deformation occurs due to by the active force for carrying out self reel for resilient cushion group, so that reel
Epitaxial end can lead to put rope angle because upwarping and become larger, cause the wirerope being wrapped on reel that can slide along reel circumferential side wall
And there is a situation where being detached from reel, there are security risks.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of hoist engine assembling structure and its installation method, elevator
Machine is mounted in mounting base with spool axis angled manner, so that reel reserves the swing deformation quantity after stress, so that wirerope
Angle control in stress between rope groove promotes security performance in smaller range.
The present invention is accomplished by the following way: a kind of hoist engine assembling structure including mounting base, is arranged in mounting base
The reel of hoist engine and winding wire ropes, the reel is connected to hoist engine side by end of linking, so that hoist engine drives
Spool turns, the axis of the reel are to be obliquely installed, and the epitaxial end of the reel is lower than the linkage end of the reel, the volume
It raises and is equipped with resilient cushion group between machine and mounting base, the periphery wall of the reel is equipped with setting in the shape of a spiral and for wirerope-winding
Rope groove, rope angle γ is put in the angle formation between the rope groove axis and the wirerope, when wirerope stress drives reel to swing,
The deformation of resilient cushion group simultaneously makes γ≤1 °.Hoist engine is mounted in mounting base with spool axis angled manner, and the extension of reel
End is lower than the setting of driving end, when reel stress swings and epitaxial end is made to be upturned, the rope groove axis and the steel wire
The axis of rope tends to be parallel each other, puts rope angle by reduction to effectively prevent wirerope to carry out in axial sliding along reel periphery wall
Situation, so prevent wirerope there is a situation where with corresponding rope groove be detached from, it is ensured that wirerope steadily pulls carriage, guarantees that elevator makes
With safety.When γ≤1 °, illustrate that the rope groove axis tends to be parallel each other with the axis of the wirerope.
Preferably, the hoist engine bottom surface is equipped with engaging lug, fastener passes through engaging lug, resilient cushion group and mounting base
It is spirally connected afterwards with nut.Fastener vertically clamps resilient cushion group by being spirally connected with nut, has both ensured that hoist engine is fixedly attached to pacify
It fills on seat, also assures that resilient cushion group can reduce elevator machine vibration using self-deformation, and then ensure hoist engine even running.
Preferably, the resilient cushion group includes set on the first damping block between mounting base and nut and being set to mounting base
The second damping block between engaging lug, first damping block are set to hoist engine bottom surface close to the reel side region, and described the
Two damping blocks are set to hoist engine bottom surface far from the reel side region.First damping block and the second damping block can be hoist engine two sides
Uniformly and effectively limited support is provided.In addition, the first damping block and the second damping block are equal when reel stress and when epitaxial end upwarps
The load from wirerope is absorbed by compression.
Preferably, first damping block and the second damping block have differentiation height, so that spool axis inclination is set
It sets.After hoist engine is installed, the axis of reel is oblique, and reel epitaxial end is lower than the setting of driving end.
A kind of installation method of hoist engine assembling structure, hoist engine is mounted in mounting base, spool axis and horizontal plane
Between form angle α 2, when wirerope stress, angle is α 1 between spool axis and horizontal plane, spool axis before and after stress with
Differential seat angle between horizontal plane is △ α, and the helical angle of α 2=α 1+ △ α, reel are A, and as A-1 °≤α 1≤A+1 °, reel is swung simultaneously
So that γ≤1 °.
Firstly, during installation, hoist engine is mounted in mounting base with spool axis in the angle of α 2, and hoist engine is installed in place
And wirerope, when not stressing, angle is α 2 to reel between its axis and horizontal plane under the state of not stressing, when carriage is loaded fortune
When defeated and wirerope stress, reel epitaxial end is upwarped because of stress, at this point, reel is under stress between its axis and horizontal plane
Angle is α 1, and swing angle when reel switches between two states is △ α, thus obtains α 2=α 1+ △ α；Secondly, wirerope
Need to have between rope groove axis in stress it is lesser put rope angle, since rope groove has helical angle A, γ=α 1-A, when reel by
Power and when A-1 °≤α 1≤A+1 °, it is ensured that meet the requirement of γ≤1 °, so that there is preferable anti-offability between wirerope and rope groove,
It can ensure carriage operational safety, effectively thus to obtain the value range of α 1；Finally, parameter alpha 1 and parameter △ α can pass through calculating
It obtains, and then calculates and obtain parameter alpha 2, and the Installation posture of hoist engine is adjusted on this basis, it is ensured that hoist engine makes
Used time can effectively reduce parameter γ, and then the anticreep performance of effectively boom hoist cable.
Preferably, 1=arctan(p/d of α), wherein parameter P is reel screw pitch, and parameter d is drum diameter.As 1=A of α
When, γ=0 °, steel wire is horizontal to have preferable anticreep performance, and the size of parameter A is related to reel screw pitch and drum diameter, by
This obtains the data of parameter.
Preferably, △ α=2*arctan { F*cos [arctan(p/d)] * (2*L1+L2)/(2*k* L22), wherein
Parameter F is the load that wirerope is born, parameter L1 axial distance, parameter between wirerope and reel junction and the first damping block
L2 distance between the first damping block and the second damping block, parameter K are the coefficient of elasticity of resilient cushion group.Pendulum of the reel before and after stress
Dynamic angle is related to parameter F, L1, L2 and K, and is obtained by above-mentioned formula.
After specific value by obtaining parameter alpha 1 and △ α, the number of parameter alpha 2 can be obtained by formula 2=α of α 1+ △ α
Value, and then pose adjustment foundation is provided for installation hoist engine.
Preferably, the rated load of the wirerope is B, 0.5≤F/B≤1.Carriage when in use will not frequent progress
Full load operation, so parameter F is preferably the average value of real load, it should be set according to service condition, it is ensured that carriage
At runtime, parameter γ meets preset requirement.
Preferably, axial distance is L, 0.5≤L1/L≤1 between the reel epitaxial end and the first damping block.Due to steel
Cord can be spirally wrapped around in rope groove, and when car height changes, the position of wirerope and reel junction also can
Change, so, parameter L1 be a running parameter, when carriage be in two height it is extreme when acquisition two parameter L1, if
The average value of the two fixed extreme values is being vertically arranged for parameter L1, it is ensured that at runtime, parameter γ meets preset requirement to carriage.
Preferably, α≤5 ° 0 °≤△, adjusted by setting reel amplitude of fluctuation limitation resilient cushion group position and
Coefficient of elasticity, it is ensured that carriage operational safety.
Preferably, γ=0 °, it is ensured that be embedded in rope groove to wirerope all-the-time stable, it is ensured that carriage operational safety.
Protrusion of the invention obtains parameter alpha 2 the utility model has the advantages that calculating by parameter alpha 1 and △ α, and by hoist engine with reel
Axis is installed in 2 angle of α, and reel to put rope angle after stress swing and levels off to 0, puts rope angle effectively to prevent by reducing
The case where only wirerope is slid axially along reel periphery wall, and then prevent wirerope from the feelings being detached from corresponding rope groove occur
Condition, it is ensured that wirerope steadily pulls carriage, and it is safe to guarantee that elevator uses.
Detailed description of the invention
Fig. 1 is schematic cross-sectional view of the present invention；
Fig. 2 is hoist engine force structure schematic diagram；
Fig. 3 is spool axis swinging structure schematic diagram；
In figure: 1, mounting base, 2, hoist engine, 3, reel, 4, wirerope, 5, rope groove, 6, engaging lug, the 7, first damping block, 8,
Two damping blocks, 9, spool axis when wirerope is in force-free state, 10, spool shaft when wirerope is in stress
Line.
Specific embodiment
Property feature is further described for the essence of the present invention with specific embodiment with reference to the accompanying drawings of the specification.
A kind of hoist engine assembling structure as shown in Figure 1, by mounting base 1, the hoist engine being arranged in mounting base 12 and
The reel 3 of winding wire ropes 4 forms, and the reel 3 is connected to 2 side of hoist engine by end of linking, so that hoist engine 2 drives volume
Cylinder 3 rotates, and the axis of the reel 3 is to be obliquely installed, and the epitaxial end of the reel 3 is lower than the linkage end of the reel 3, described
Resilient cushion group is equipped between hoist engine 2 and mounting base 1, the periphery wall of the reel 3 is equipped with setting in the shape of a spiral and for wirerope 4
The rope groove 5 of winding, rope angle γ is put in the angle formation between 5 axis of rope groove and the wirerope 4, when 4 stress of wirerope drives
When reel 3 is swung, the deformation of resilient cushion group simultaneously makes γ≤1 °.
In actual operation, hoist engine 2 is fixed in mounting base 1 with 3 axis angled manner of reel, is hoist engine 2 because subtracting
It shakes pad group stress and deformation and occurs to swing offer preparation amount of spin, so that hoist engine 2 puts rope with lesser after stress swing
Angle effectively prevent wirerope 4 to be detached from rope groove 5, it is ensured that lift running safety.
In actual operation, hoist engine 2 is mounted in mounting base 1, forms angle α 2 between 3 axis of reel and horizontal plane,
When 4 stress of wirerope, angle is α 1 between 3 axis of reel and horizontal plane, 3 axis of reel before and after stress between horizontal plane
Differential seat angle is △ α, and α 2=α 1+ △ α, the helical angle of reel 3 is A, as A-1 °≤α 1≤A+1 °, reel 3 swing and make γ≤
1°.Hoist engine 2 is swung after receiving the load from wirerope 4, and swing angle is △ α, meanwhile, hoist engine 2 needs
Have after swing it is lesser put rope angle, this requires the parameter alpha 1 having after 2 stress of hoist engine is close with the helical angle A of reel 3,
So that 3 axis of reel needs to have parameter alpha 2 to hoist engine 2 during installation, so that swing of the hoist engine 2 in experience parameter △ α
After level off to helical angle A, and then ensure the anticreep performance of wirerope 4.
In actual operation, in order to calculate parameter alpha 2, the technical program is using the side for calculating separately parameter alpha 1 and △ α
Formula.
In actual operation, 1=arctan(p/d of α), wherein parameter P is 3 screw pitch of reel, and parameter d is 3 diameter of reel.
Parameter alpha 1 is obtained by following steps:
The first step obtains parameter A=arctan(p/d by obtaining parameter P and parameter d to the directly measurement of reel 3)；Second
Step obtains 1=A- of α γ due to γ=A- α 1；Formula in the first step is brought into the formula of second step by third step, obtains 1=A- of α
γ=arctan(p/d)-γ；4th step obtains 1=arctan of α in order to ensure the anticreep performance of wirerope 4, preferably γ=0 °
(p/d).
In actual operation, △ α=2*arctan { F*cos [arctan(p/d)] * (2*L1+L2)/(2*k* L22),
In, parameter F be wirerope 4 bear load, parameter L1 between wirerope 4 and 3 junction of reel and the first damping block 7 axially away from
From parameter L2 distance between the first damping block 7 and the second damping block 8, parameter K is the coefficient of elasticity of resilient cushion group.
In actual operation, parameter △ α is obtained by following steps:
The first step, according to conservation of energy principle, the load that wirerope 4 is subject to can be passed to the first damping block 7 and the second damping
On block 8, as a whole by hoist engine 2, reel 3, mounting base 1 and resilient cushion group, at this point, as shown in Fig. 2, wirerope 4 and volume
3 junctions of cylinder have the directed force F 1 perpendicular to 3 axis of reel, have the function of at the first damping block 7 perpendicular to 3 axis of reel
Power F2 has the directed force F 3 perpendicular to 3 axis of reel at the second damping block 8, and meets formula F 1*(L1+L2)=F2*L2 and
F1*L1=F3*L2, and then obtain F2=F1*(L1+L2)/L2 and F3=F1*L1/L2；
Step 2: the decrement for assuming the first resilient cushion is x, and meet x=F2/k, the F2 in the first step is brought into and obtains x=F1*
(L1+L2)/(k*L2), simultaneously, it is assumed that the decrement of the second resilient cushion is y, and meets y=F3/k, and the F3 in the first step is brought into
Obtain y=F1*L1/(k*L2)；
Step 3: as shown in Figure 3, it is assumed that between 3 epitaxial end of 3 oscillation center of reel and reel distance be L3,3 oscillation center of reel with
Axial distance between first damping block 7 is L4, and meets L2=L3+L4, x/y=L3/L4, obtains L3=xL2/ by merging to simplify
(x+y), thus to obtain α/2 tan(△)=0.5*x/L3, both △ α=2*arctan(x+y)/(2*L2), by the parameter in second step
X and parameter y bring into obtain △ α=2*arctan [F1*(2L1+L2)/(2*k*L22)]；
Step 4: the load that wirerope 4 is subject to is F, and when 4 stress of wirerope, γ=A- α 1 and F1=F*cos α 1, in order to obtain
γ=0 ° as a result, by A=α 1 substitute into F1=F*cos α 1 obtain F1=F*cosA, then by this formula substitute into third step in formula obtain
△ α=2*arctan { F*cos [arctan(p/d)] * (2*L1+L2)/(2*k* L22).
α 2 is obtained by calculating separately parameter alpha 1 and △ α, and is obtained: 2=arctan(p/d of α)+2*arctan { F*cos
[arctan(p/d)] * (2*L1+L2)/(2*k* L22), and then Installation posture foundation is provided for installation hoist engine 2.
In actual operation, 2 bottom surface of hoist engine is equipped with engaging lug 6, and fastener successively passes through engaging lug from top to bottom
6, it is spirally connected after resilient cushion group and mounting base 1 with nut, so that between engaging lug 6 and mounting base 1 axis can be carried out along fastener axis
To relative motion, both ensured that hoist engine 2 was connected firmly in mounting base 1, moreover it is possible to play cushioning effect using resilient cushion group.
In actual operation, the resilient cushion group includes set on the first damping block 7 between mounting base 1 and nut and being set to
The second damping block 8 between mounting base 1 and engaging lug 6, first damping block 7 are set to 2 bottom surface of hoist engine close to 3 side of reel
Region, second damping block 8 are set to 2 bottom surface of hoist engine far from 3 side region of reel.Specifically, the resilient cushion group is also
Match including the cooperation of the first resilient cushion and the first auxiliary mat being arranged between mounting base 1 and engaging lug 6 and with the second resilient cushion
It closes and the second auxiliary mat between mounting base 1 and nut is set.Parameter x represents the compression of the first damping block 7 and the first auxiliary mat
The sum of amount.Parameter y represents the sum of the second damping block 8 and decrement of the second auxiliary mat.
In actual operation, the rated load of the wirerope 4 is B, 0.5≤F/B≤1.Wirerope 4 is in non-stress shape
When state, when referring to that 4 one end of wirerope is not affixed with carriage.From the point of view of use, on the one hand, since wirerope 4 is using
When can be affixed with carriage always so that wirerope 4 is when in use always by active force, on the other hand, wirerope 4 because of carriage at
It is less in the time that full load condition reaches rated load, so, parameter F would generally be set in conjunction according to real use state
The range of reason, it is ensured that elevator obtain while there is larger probability at runtime it is lesser put rope angle, and then ensure elevator using safe.
Specifically, when elevator is household ladder, number of members is fixed, and parameter F is allowed to carry out reasonable set, example according to number of members
If number of members is four people, then parameter F is set as to the sum total of car weight and two member's weight.
In actual operation, axial distance is L, 0.5≤L1/L≤1 between 3 epitaxial end of reel and the first damping block 7.
With 3 folding and unfolding wirerope 4 of reel, wirerope 4 and the tie point of reel 3 can be moved along 3 axis direction of reel, so that parameter L1 meeting
Form a variable.When determining the numerical value of parameter L1, preferably set according to the heave amplitude of carriage.Specifically, firstly,
When carriage is in the minimum point of operation minimum point or service work range, wirerope 4 at this time and 3 junction of reel are obtained
First position；Later, when carriage is in the highest point of operation highest point or service work range, wirerope 4 at this time are obtained
With the second position of 3 junction of reel；Finally, obtaining the midpoint between first position and the second position, and with this midpoint and first
7 axial distances of damping block are set as the numerical value of parameter L1, it is ensured that at runtime, can be leveled off to elevator by putting rope angle by 0 ° or at 0 °
Positive negative region is reciprocal.
In actual operation, α≤5 ° 0 °≤△ limit parameter L1, parameter L2 and parameter K by limiting △ α
Numerical value, and then ensure that reel is swung in safe range.
In actual operation, first damping block 7 and the second damping block 8 have differentiation height, so that 3 axis of reel
It is obliquely installed, so that hoist engine realizes that spool axis is inclined by the first damping block 7 with differentiation height and the second damping block 8
Tiltedly, can by directly by being obliquely installed mounting base in a manner of realize spool axis tilt, also should be regarded as specific reality of the invention
Apply example.
Claims (10)
1. a kind of hoist engine assembling structure, including mounting base (1), the hoist engine (2) being arranged on mounting base (1) and winding steel
The reel (3) of cord (4), the reel (3) is connected to hoist engine (2) side by end of linking, so that hoist engine (2) drives volume
Cylinder (3) rotation, which is characterized in that the axis of the reel (3) is to be obliquely installed, and the epitaxial end of the reel (3) is lower than described
The linkage end of reel (3) is equipped with resilient cushion group, on the periphery wall of the reel (3) between the hoist engine (2) and mounting base (1)
Equipped with setting in the shape of a spiral and for the rope groove (5) of wirerope (4) winding, between rope groove (5) axis and the wirerope (4)
Rope angle γ is put in angle formation, and when wirerope (4) stress drives reel (3) to swing, the deformation of resilient cushion group simultaneously makes γ≤1 °.
2. a kind of hoist engine assembling structure according to claim 1, which is characterized in that hoist engine (2) bottom surface is equipped with
Engaging lug (6), fastener pass through engaging lug (6), resilient cushion group and mounting base (1) and are spirally connected afterwards with nut.
3. a kind of hoist engine assembling structure according to claim 2, which is characterized in that the resilient cushion group includes being set to peace
The second damping block (8) for filling the first damping block (7) between seat (1) and nut and being set between mounting base (1) and engaging lug (6),
First damping block (7) is set to hoist engine (2) bottom surface close to the reel (3) side region, and second damping block (8) is set to
Hoist engine (2) bottom surface is far from the reel (3) side region.
4. a kind of hoist engine assembling structure according to claim 3, which is characterized in that first damping block (7) and
Two damping blocks (8) have differentiation height, so that reel (3) axis is obliquely installed.
5. a kind of installation method of hoist engine assembling structure, which is characterized in that hoist engine (2) is mounted on mounting base (1), is rolled up
Cylinder (3) between axis and horizontal plane formed angle α 2, when wirerope (4) stress, reel (3) between axis and horizontal plane angle be α
1, reel (3) axis is △ α, α 2=α 1+ △ α in the differential seat angle between horizontal plane before and after stress, and the helical angle of reel (3) is
A, as A-1 °≤α 1≤A+1 °, reel (3) swings and makes γ≤1 °.
6. a kind of installation method of hoist engine assembling structure according to claim 5, which is characterized in that 1=arctan of α
(p/d), wherein parameter P is reel (3) screw pitch, and parameter d is reel (3) diameter.
7. a kind of installation method of hoist engine assembling structure according to claim 6, which is characterized in that △ α=2*
Arctan { F*cos [arctan(p/d)] * (2*L1+L2)/(2*k* L22), wherein parameter F is the lotus that wirerope (4) are born
It carries, parameter L1 axial distance between wirerope (4) and reel (3) junction and the first damping block (7), parameter L2 is the first damping
Distance between block (7) and the second damping block (8), parameter K are the coefficient of elasticity of resilient cushion group.
8. a kind of installation method of hoist engine assembling structure according to claim 7, which is characterized in that the wirerope
(4) rated load is B, 0.5≤F/B≤1.
9. a kind of installation method of hoist engine assembling structure according to claim 7, which is characterized in that the reel (3)
Axial distance is L, 0.5≤L1/L≤1 between epitaxial end and the first damping block (7).
10. a kind of installation method of hoist engine assembling structure according to claim 7, which is characterized in that 0 °≤△ α≤
5°；Alternatively, γ=0 °.
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| CN201910398435.9A CN110155865B (en) | 2019-05-14 | 2019-05-14 | Winch assembly structure and installation method thereof |
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| CN110155865B CN110155865B (en) | 2023-06-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115108439A (en) * | 2022-08-30 | 2022-09-27 | 启东凯顺机械制造有限公司 | Steel rope mounting mechanism of mine hoisting equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115108439A (en) * | 2022-08-30 | 2022-09-27 | 启东凯顺机械制造有限公司 | Steel rope mounting mechanism of mine hoisting equipment |
| CN115108439B (en) * | 2022-08-30 | 2023-12-05 | 启东凯顺机械制造有限公司 | Steel rope installation mechanism of mine hoisting equipment |
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| CN110155865B (en) | 2023-06-27 |
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