CN110255413A - Rope climbing block locating mounting method - Google Patents
Rope climbing block locating mounting method Download PDFInfo
- Publication number
- CN110255413A CN110255413A CN201910335158.7A CN201910335158A CN110255413A CN 110255413 A CN110255413 A CN 110255413A CN 201910335158 A CN201910335158 A CN 201910335158A CN 110255413 A CN110255413 A CN 110255413A
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- China
- Prior art keywords
- rope
- reel
- wirerope
- layer
- climbing block
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Classifications
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- 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
- B66D1/28—Other constructional details
- B66D1/30—Rope, cable, or chain drums or barrels
-
- 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
- B66D1/28—Other constructional details
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses a kind of rope climbing block locating mounting methods, belong to reel field.Method includes: based on entering for first layer wirerope restricts a little on the effective length of rope groove, the screw pitch of rope groove and the reel on reel, determine the starting point of climbing of second layer wirerope on the reel, the cylinder both ends for entering rope point and being located at the reel with the starting point of climbing of the second layer wirerope of the first layer wirerope；The minimum constructive height of starting point of climbing, the radius of the reel cross section, the radius of the wirerope and rope climbing block based on the second layer wirerope, determine that original bench mark point of the rope climbing block on the reel, the original bench mark point are located on the wiring direction of the starting point of climbing of the second layer wirerope；Original bench mark point based on the rope climbing block on the reel, installs the rope climbing block.Present invention reduces rope climbing block on reel positioning difficulty, improve the positioning accuracy of rope climbing block.
Description
Technical field
The invention belongs to reel field, in particular to a kind of rope climbing block locating mounting method.
Background technique
Reel is important part in crane facility, for folding and unfolding and storage wirerope.Had by drum diameter and rope groove
Length limitation is imitated, when rope capacity is too long, wirerope will select two or more layers to wind when storing on reel, so as to
Reduce the size and weight of reel.Second layer winding is transitioned into from first layer on reel for wirerope, generally by climbing
Rope block guiding orderly winds and discharges to realize wirerope being transitioned into the second layer from first layer.
Positioning accuracy of the rope climbing block on reel is extremely important, if position inaccurate of the rope climbing block on reel, just not
It can guarantee that wirerope orderly winds and discharges in interlayer, be easy to happen disorder cable phenomenon, cause wirerope twist ties and damage steel
Cord influences the service life of wirerope.
Summary of the invention
The embodiment of the invention provides a kind of rope climbing block locating mounting methods, and it is accurate on reel that rope climbing block may be implemented
Positioning and installation.The technical solution is as follows:
The present invention provides a kind of rope climbing block locating mounting methods, which comprises
Based on reel on the effective length of rope groove, the screw pitch of rope groove and the reel first layer wirerope enter rope
Point, determines the starting point of climbing of second layer wirerope on the reel, and the first layer wirerope enters rope point and the second layer
The starting point of climbing of wirerope is located at the cylinder both ends of the reel；
The radius of starting point of climbing, the reel cross section based on the second layer wirerope, the wirerope radius,
And the minimum constructive height of rope climbing block, determine original bench mark point of the rope climbing block on the reel, the original bench mark point
In on the wiring direction of the starting point of climbing of the second layer wirerope；
Original bench mark point based on the rope climbing block on the reel, installs the rope climbing block.
Optionally, described based on first layer steel on the effective length of rope groove, the screw pitch of rope groove and the reel on reel
Entering for cord is restricted a little, determines the starting point of climbing of second layer wirerope on the reel, comprising:
According to the screw pitch of the effective length of the rope groove and the rope groove, effective winding of the first layer wirerope is calculated
Enclose number；
Number is enclosed in effective winding based on the first layer wirerope, and calculate the first layer wirerope enters rope point in target
The radius that is passed through on circle, half passed through with subpoint of the starting point on the target circle that climb of the second layer wirerope
Central angle between diameter, the target circle are the cross section reel and by the first layer wirerope for entering rope point；
Based on the central angle, the starting point of climbing of second layer wirerope on the reel is determined.
Optionally, the cylinder both ends of the reel are respectively equipped with the first outer web and the second outer web, the first outer abdomen
The rope point that enters of plate and the first layer wirerope is located at same cylinder end, the second outer web and the second layer wirerope
Starting point of climbing is located at same cylinder end,
It is described to be based on the central angle, determine the starting point of climbing of second layer wirerope on the reel, comprising:
Based on the central angle, subpoint of the starting point on the target circle that climb of the second layer wirerope is determined；
Based on the subpoint, the starting point of climbing of second layer wirerope on the reel, the second layer on the reel are determined
The starting point of climbing of wirerope is the intersection point on the inside of the reel outer circle bus that the subpoint is passed through and the described second outer web.
Optionally, the starting point of climbing based on the second layer wirerope, the radius of the reel cross section, the steel
The radius of cord and the minimum constructive height of rope climbing block determine original bench mark point of the rope climbing block on the reel, comprising:
The minimum constructive height of radius based on the reel cross section, the radius based on the wirerope and rope climbing block, meter
Calculate the distance passed through from the starting point of climbing of the second layer wirerope to the original bench mark point on the wiring direction；
Climb starting point and the distance based on the second layer wirerope, determine the rope climbing block in the reel
On original bench mark point.
Optionally, the radius based on the reel cross section, the radius of the wirerope and the minimum of rope climbing block
Highly, calculate on the wiring direction from the second layer wirerope climb starting point to the original bench mark point pass through away from
From, comprising:
Take the distance as the arc length on the cross section of the reel where the starting point of climbing of the second layer wirerope, is based on
The radius of the wirerope and the minimum constructive height of rope climbing block calculate the distance in the corresponding circle in the cross section of the reel
Heart angle；
Radius based on the reel cross section and described apart from corresponding central angle, calculates the distance.
Optionally, the original bench mark point based on the rope climbing block on the reel, installs the rope climbing block, packet
It includes:
Using the reel outer circle bus where the original bench mark point as original bench mark line, by the lower of the rope climbing block
End end face is aligned with the original bench mark line, and by the rope climbing block with and adjacent the second outer web of original bench mark point
Side wall fitting；
The rope climbing block is fixed on the cylinder of the reel and the side wall of the second outer web.
Optionally, the side wall of the cylinder and the second outer web that the rope climbing block is fixed on to the reel
On, comprising:
Measure gap of the rope climbing block respectively with bobbin trunk and the joint place of the second outer web；
Gap and the rope climbing block and the described second outer web when the rope climbing block and the joint place of bobbin trunk
When the gap of joint place is all satisfied target gap range, the rope climbing block is fixed on to the cylinder and described of the reel
On the side wall of two outer webs.
Optionally, the target gap range is 0-0.1mm.
Optionally, the side wall of the cylinder and the second outer web that the rope climbing block is fixed on to the reel
On, comprising:
Determine at least one measurement point, the measurement point position rises to for contacting from first layer in the rope climbing block
On the face of two layers of wirerope；
First length bar is placed into the measurement point, first length bar rises to the second layer for simulating from first layer
Wirerope；
Second length bar is placed into the rope groove adjacent with the rope climbing block, second length bar is climbed for simulating with described
The wirerope restricted in the adjacent rope groove of block；
When first length bar respectively with the side wall of the described second outer web, the rope climbing block for contacting from first layer
When the periphery in the face and second length bar that rise to the wirerope of the second layer is tangent, the rope climbing block is fixed on
On the side wall of the cylinder of the reel and the second outer web.
Optionally, at least one measurement point of the determination, comprising:
Determine five measurement points, five measurement point positions are in the low spot section of the rope climbing block, the height of the low spot section
It is less than., two neighboring measurement point is equidistant in five measurement points.
Technical solution provided in an embodiment of the present invention has the benefit that through effective length based on rope groove on reel
Entering for first layer wirerope restricts a little on degree, the screw pitch of rope groove and reel, determines having climbed for second layer wirerope on reel
Point, the cylinder both ends for entering rope point and being located at reel with the starting point of climbing of second layer wirerope of first layer wirerope；Due to
The starting point of climbing of two layers of wirerope has certain distance with original bench mark point of the rope climbing block on reel, therefore, then is based on the second layer
The starting point of climbing of wirerope, the radius of reel cross section, the radius of wirerope and rope climbing block minimum constructive height, determine rope climbing
Original bench mark point of the block on reel, original bench mark point are located on the wiring direction of the starting point of climbing of second layer wirerope；Finally
Original bench mark point based on rope climbing block on reel installs rope climbing block；In this way, first passing through theoretical meter accurately determines that rope climbing block exists
Rope climbing block is installed in initial position (i.e. original bench mark point) again on the outer web of reel, reduces rope climbing block and positions on web outside reel
Difficulty improves the positioning accuracy of rope climbing block, avoids because the positioning of rope climbing block is inaccurate, and generation disorder cable when wirerope-winding is caused to show
As causing wirerope twist ties and damage wirerope, influencing the service life of wirerope.
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 the structural schematic diagram of reel provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of rope climbing block locating mounting method provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of target circle provided in an embodiment of the present invention；
Fig. 4 is the signal of the cross section of the reel where the starting point of climbing of second layer wirerope provided in an embodiment of the present invention
Figure；
Fig. 5 is scheme of installation of the rope climbing block provided in an embodiment of the present invention on reel；
Fig. 6 is the schematic diagram of the computational geometry model provided in an embodiment of the present invention for calculating distance；
Fig. 7 is positioning schematic diagram of the rope climbing block provided in an embodiment of the present invention on reel；
Fig. 8 is dosage stick simulating detection " three point contact " schematic diagram provided in an embodiment of the present invention；
In attached drawing:
1a- cylinder, the outer web of 1b- first, the outer web of 1c- second, 1d- rope groove, 1e- rope climbing block, the first length bar of 2-, 3-
Two length bars.
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 technical solution that embodiment provides to facilitate the understanding of the present invention, introduces reel first and the present invention is real
Apply the noun that example is related to.Fig. 1 is the structural schematic diagram of reel provided in an embodiment of the present invention.Referring to Fig. 1, reel includes cylinder
1a and the first outer outer web 1c of web 1b and second for being located at the both ends cylinder 1a.Cylinder 1a can be cylinder.First
The outer outer web 1c of web 1b and second is along the circumferentially extending of cylinder 1a.Rope groove 1d is located at the first outer outer web of web 1b and second
On cylinder 1a outer wall between 1c.
The effective length of rope groove refers to that wirerope enters climbing to second layer wirerope rope is put since first layer wirerope
Axial direction (X-direction is shown in Fig. 1) distance of starting point.In Fig. 1, L indicates the effective length of rope groove.
The screw pitch of rope groove refers to the distance between the center of adjacent rope groove.In Fig. 1, P indicates the screw pitch of rope groove.
Entering for first layer wirerope is restricted a little, refers to first point contacted when rope groove on wirerope-winding to reel with rope groove.
The rope point place rope groove that enters of first layer wirerope is the circle rope groove of one end (being assumed to be the end A) recently apart from cylinder.In this reality
It applies in example, it is assumed that the rope point place rope groove that enters of first layer wirerope is the nearest circle rope groove of the outer web 1b of distance first.
The starting point of climbing of second layer wirerope refers to that wirerope enters rope groove effective district from the rope point that enters of first layer wirerope,
Reach the terminal of first layer wirerope, that is, the starting point of second layer wirerope after winding effective length.First layer wirerope
Enter the cylinder both ends that rope point is located at reel with the starting point of climbing of second layer wirerope.Enter rope point institute when first layer wirerope
When rope groove is the nearest circle rope groove in one end apart from cylinder, rope groove where the starting point of climbing of second layer wirerope is apart from cylinder
The nearest circle rope groove of the other end (being assumed to be the end B) of body.In this example, it is assumed that the starting point institute of climbing of second layer wirerope
It is the nearest circle rope groove of the outer web 1c of distance second in rope groove.It should be noted that second layer wirerope climbs starting point not
It is the starting point of rope climbing block.Theoretically, the starting point of climbing of second layer wirerope is the rearmost point contacted with rope groove, and wirerope is from this point
Start rope climbing, but actually because the height of rope climbing block can not be started from from 0mm, the theoretical rearmost point that wirerope is contacted with rope groove
There are a little differences with practical rearmost point.
The height of rope climbing block refers to length of the rope climbing block in reel transverse direction.Reel is laterally axially vertical with reel.Referring to figure
1, rope climbing block 1e are located in the nearest circle rope groove of the second outer web 1c, and are fixed on the side wall of the second outer web 1c.
Wherein, rope climbing block 1e is generally wedge shape, and the length of rope climbing block 1e is longer, generally higher than the half of reel section girth.Rope climbing
Length direction of the height of block 1e in rope climbing block 1e gradually increases.Limited because processing, the minimum constructive height of rope climbing block 1e is greater than 0, this
It is meant that there are certain distances apart from rope climbing block 1e for the starting point of climbing of second layer wirerope.Wirerope is from second layer wirerope
Starting point of climbing starts to get to rope climbing block 1e along wiring direction winding certain distance.
The embodiment of the invention provides a kind of rope climbing block locating mounting methods, and referring to fig. 2, this method process includes following step
Suddenly.
Step 101, based on first layer wirerope on the effective length L of rope groove, the pitch P of rope groove and reel on reel
Enter rope point D11, determine the starting point D21 that climbs of second layer wirerope on reel.
Step 102, the starting point D21 that climbs based on second layer wirerope, the radius R of reel cross section, wirerope radius
R, and the minimum constructive height h of rope climbing block, original bench mark point D22 of the rope climbing block on reel is determined.
Wherein, original bench mark point D22On the wiring direction for climbing starting point D21 of second layer wirerope.
Step 103, the original bench mark point D22 based on rope climbing block on reel install rope climbing block.
By based on reel on the effective length of rope groove, the screw pitch of rope groove and reel first layer wirerope enter rope
Point, determines the starting point of climbing of second layer wirerope on reel, and first layer wirerope enters climbing for rope point and second layer wirerope
Starting point is located at the cylinder both ends of reel；Due to the primordium of starting point and rope climbing block on reel that climbs of second layer wirerope
Have certain distance on schedule, therefore, then based on the starting point of climbing of second layer wirerope, the radius of reel cross section, wirerope half
The minimum constructive height of diameter and rope climbing block determines that original bench mark point of the rope climbing block on reel, original bench mark point are located at second layer steel
On the wiring direction of the starting point of climbing of cord；The finally original bench mark point based on rope climbing block on reel installs rope climbing block；This
Sample first passes through theoretical meter and accurately determines that initial position (i.e. original bench mark point) installs rope climbing to rope climbing block again on web outside reel
Block reduces rope climbing block positioning difficulty on web outside reel, improves the positioning accuracy of rope climbing block, avoids because rope climbing block is fixed
Position is inaccurate, leads to that disorder cable phenomenon occurs when wirerope-winding, causes wirerope twist ties and damage wirerope, influence wirerope
Service life.
Aforementioned each step is described in detail below.Where it is assumed that the rope point that enters of first layer wirerope is D11, volume on reel
The starting point of climbing of second layer wirerope is D21 on cylinder, and the radius of reel cross section is R, and the radius of wirerope is r, rope climbing block
Minimum constructive height is h, and original bench mark point of the rope climbing block on reel is D22.
Illustratively, step 101 may include steps of.
The first step, according to the effective length L of rope groove and the pitch P of rope groove, the effective winding for calculating first layer wirerope is enclosed
Number N.
Where it is assumed that effective winding circle number of first layer wirerope is N, then N=L/P.
Number N is enclosed in second step, effective winding based on first layer wirerope, and the rope point D11 that enters for calculating first layer wirerope exists
The radius that is passed through on target circle, half passed through with subpoint of the starting point D21 on target circle that climb of second layer wirerope
Central angle alpha between diameter.
Wherein, target circle is cross section reel and by first layer wirerope for entering rope point D11.Fig. 3 is the present invention
The schematic diagram for the target circle that embodiment provides, in conjunction with Fig. 3, the calculation formula of central angle alpha are as follows: α=(N-n) × 360 °.N is first
Numerical value of the effective winding circle number N of layer wirerope in integer-bit, then, (N-n) indicates effective winding of first layer wirerope
Enclose numerical value of the number N in decimal place.
Third step is based on central angle alpha, determines the starting point D21 that climbs of second layer wirerope on reel.
Fig. 1 is participated in, the both ends cylinder 1a of reel are respectively equipped with the first outer outer web 1c of web 1b and second, the first outer web
It is located at same cylinder end (end A) with the rope point D11 that enters of first layer wirerope, the second outer web has climbed with second layer wirerope
Point D21 is located at same cylinder end (end B).Based on this, illustratively, third step be may include steps of.
Step a, it is based on central angle alpha, determines subpoint D12 of the starting point D21 on target circle that climb of second layer wirerope.
Specifically, referring to Fig. 3, rope point D11 is entered as starting point, along wiring direction on target circle using first layer wirerope
The position that rotation alpha angle reaches is subpoint D12 of the starting point D21 on target circle that climb of second layer wirerope.
Step b, it is based on subpoint D12, determines the starting point D21 that climbs of second layer wirerope on reel, wherein the on reel
The starting point D21 that climbs of two layers of wirerope is, on the inside of the outer web of reel outer circle bus L11 and second that subpoint D12 is passed through
Intersection point.
Wherein, refer to the second outer web surface to the side of the first outer web on the inside of the second outer web.Specifically, with subpoint
D12 is that starting point delineates outer circle bus L11 on bobbin trunk periphery, and outer circle bus L11 is that first layer wirerope is transitioned into
Second layer wirerope enters the start line where rope point D21.Intersection point on the inside of the outer web of outer circle bus L11 and second is the second layer
Wirerope climbs starting point D21 (referring to fig. 4).
Illustratively, step 102 may include steps of.
Step 1021, the radius R based on reel cross section, the radius r based on wirerope and rope climbing block minimum constructive height
H calculates the distance S passed through from the starting point D21 that climbs of second layer wirerope to original bench mark point D22 on wiring direction.
Wherein, original bench mark point D22 be rope climbing block small end (height minimum one end) end respectively with rope groove, Yi Ji
Contact position between two outer webs.Illustratively, step 1021 may include steps of.
Firstly, using distance S as the arc length on the cross section of the reel where the starting point D21 that climbs of second layer wirerope, base
In the radius r of the wirerope and minimum constructive height h of rope climbing block, distance S is calculated in the corresponding central angle β in the cross section of reel.
Fig. 4 is the schematic diagram of the cross section of the reel where the starting point D21 that climbs of second layer wirerope.In the present embodiment
In, original bench mark point D22 is located on the cross section of the reel where the starting point D21 that climbs of second layer wirerope.Fig. 5 is rope climbing block
Scheme of installation on reel.Referring to Fig. 5, S=β R can be obtained according to the calculation formula of arc length S.
Fig. 6 be it is provided in an embodiment of the present invention calculate distance S computational geometry model schematic diagram, be described below away from
Computing Principle from S.It is known that wirerope, which moves one week central angle along wiring direction, to be 2 π, while axially being moved along reel
Dynamic distance is 2r.In conjunction with Fig. 4, the starting point D21 that climbs of second layer wirerope is to original bench mark point D22 along reel axial direction moving distance
For r β/π.The theoretical level of rope climbing block is 0 at the starting point D21 that climbs of second layer wirerope, close to the outer web in the end reel B second
The distance of center to the outer web in the end B second of second circle wirerope is 3r.When the starting point D21 that climbs of second layer wirerope is along wiring
When the mobile arc length S in direction reaches original bench mark point D22, the center close to the second circle wirerope of the outer web in the end reel B second is arrived
The distance of original bench mark point D22 is (3r-r* β/π).For in Fig. 6 right angled triangle EFG, EF=2r, FG=(3r-r* β/
π-r), GE=h, had according to Pythagorean theorem: (2r)2=h2+(3r-r*β/π-r)2, the central angle as shown in formula (1) can be obtained
β。
Secondly, the radius R based on the reel cross section and corresponding central angle β of distance S calculates distance S.
Referring to Fig. 5, S=β R can be obtained according to the calculation formula of arc length S.In formula the value of R, r, h in reel figure
Mark, is known.
Step 1022, the starting point D21 and distance S that climbs based on second layer wirerope, determine rope climbing block on reel
Original bench mark point D22.
Specifically, using the starting point D21 that climbs of second layer wirerope as starting point, along wiring direction, moved on rope groove away from
It is original bench mark point D22 of the rope climbing block on reel from the position reached S.
Illustratively, step 103 may include steps of.
Step 1031, using the reel outer circle bus L22 where original bench mark point D22 as original bench mark line, by rope climbing block
Lower end end face is aligned with original bench mark line, and by rope climbing block with and adjacent the second outer web of original bench mark point D22 side wall
Fitting.
Specifically, using original bench mark point D22 as starting point, outer circle bus L22, outer circle bus are delineated on reel periphery
L22 is original bench mark line of the rope climbing block small end (the smallest one end of rope climbing block height) on spool body excircle.With rope climbing block
Original bench mark line L22 of the small end on spool body excircle is start line, referring to Fig. 7, by mono- side plane of rope climbing block 1e and second
The side wall of outer web 1c is bonded, and is along the circumferential direction adjusted the position of rope climbing block 1e, is made rope climbing block 1e small end and L22 pairs of reference line
Together.
On the side wall of step 1032, the cylinder that rope climbing block is fixed on to the reel and the second outer web.
Wherein it is possible to be mounted directly rope climbing block after step 1031, can also position to the rope climbing block oriented into
Row detection, when testing result meets condition, then installs rope climbing block.Difference based on detection mode, the embodiment of the present invention provide
The fixed form of three kinds of rope climbing blocks.
First way is the detection rope climbing block joint place gap with bobbin trunk, the second outer web inner wall respectively.First
Kind mode may include: the measurement rope climbing block gap with bobbin trunk and the joint place of the second outer web respectively.When rope climbing block
Target gap model is all satisfied with the gap of the joint place of the gap of the joint place of bobbin trunk and rope climbing block and the second outer web
When enclosing, rope climbing block is fixed on the cylinder of the reel and the side wall of the second outer web.Illustratively, target gap model
It encloses for 0-0.1mm.It can be using the size in clearance gauge measurement gap.
Referring to Fig. 8, when rope climbing block 1e one side is bonded with the second outer web 1c inner wall, while rope climbing block 1e small end and benchmark
After line L22 alignment, with clearance gauge measurement rope climbing block 1e and bobbin trunk 1a, the second outer web 1c inner wall joint place gap, it is desirable that
Gap is less than 0.1mm.
When the gap of the joint place in the gap and rope climbing block and the second outer web of rope climbing block and the joint place of bobbin trunk
In when gap is unsatisfactory for target gap range at least one, local reconditioning is carried out to rope climbing block.It is detected again after reconditioning,
Until testing result meets condition.
The second way is whether detection rope climbing block meets " three point contact " requirement.The second way may include: determination
At least one measurement point, measurement point position is in rope climbing block for contacting the face for the wirerope for rising to the second layer from first layer；
First length bar is placed into measurement point, the first length bar is for simulating the wirerope for rising to the second layer from first layer；By second
Length bar is placed into the rope groove adjacent with rope climbing block, and the second length bar is used to simulate the wirerope in the rope groove adjacent with rope climbing block；
When the first length bar for contacting rises to the wirerope of the second layer from first layer with the side wall of the second outer web, rope climbing block respectively
Face and the second length bar periphery it is tangent when, rope climbing block is fixed on to the cylinder and the second outer web of the reel
Side wall on.
Illustratively, it can detecte whether rope climbing block " low spot section " region meets " three point contact " requirement.The equal position of measurement point
In low spot section, low spot section refers to that width in rope climbing block (W shown in Fig. 8) is greater than the part of the diameter 1/2 of the first length bar, the first length bar
Diameter it is identical as the diameter of wirerope.(when diameter 1/2 of the width of rope climbing block less than the first length bar, the first length bar can not
It is tangent with rope climbing block, be illustrated as follows).Preferably, five measurement points can be determined, five measurement point positions are in the low spot of rope climbing block
Section, two neighboring measurement point is equidistant in five measurement points.
Referring again to Fig. 8, the second length bar 3 is placed in in one rope groove of rope climbing block 1e adjacent reel, the first length bar 2, which is placed in, climbs
Restrict the radial upper surface of block 1e, detect in rope climbing block 1e " low spot section " region, the first length bar 2 whether with outside spool body 1a second
Web 1c inner sidewall x, rope climbing block 1e radial direction upper surface y, the second length bar 3 periphery z simultaneously contact (tangent), that is, meet " three
Point contact " requirement.
In conjunction with Fig. 5, dosage stick simulating detects rope climbing block " low spot section " region and meets " three point contact " requirement, optionally,
Multiple (at least five) Along ents are taken to be detected on rope climbing block 1e " low spot section ".
Further, it requires, then will when multiple test points in rope climbing block " low spot section " region are able to satisfy " three point contact "
Rope climbing block welding is fixed on the cylinder and the second outer web of the reel.
When multiple test points in rope climbing block " low spot section " region cannot meet " three point contact " requirement simultaneously, then to rope climbing block
Local reconditioning is carried out, until satisfaction " three point contact " requirement.
The third mode be first way and the second way combination, first measure rope climbing block respectively with bobbin trunk,
The joint place gap of second outer web inner wall, then detect whether rope climbing block " low spot section " region meets " three point contact " requirement.The
Three kinds of modes include: the gap of the joint place when rope climbing block and bobbin trunk and the joint place of rope climbing block and the second outer web
Gap when being all satisfied target gap range, whether " three point contact " is met using the first length bar and the second length bar detection measurement point
It is required that.
Further, it is required when multiple test points in rope climbing block " low spot section " region cannot meet " three point contact " simultaneously,
Local reconditioning then is carried out to rope climbing block, detecting step is then repeated, until multiple test points in rope climbing block " low spot section " region
It is able to satisfy " three point contact " requirement, finally rope climbing block welding is fixed in bobbin trunk and the second outer web.
The embodiment of the present invention has accurately determined that rope climbing block originates in spool body outer circle by mathematical modeling and theoretical calculation
Position reduces rope climbing block positioning difficulty in spool body outer circle, improves rope climbing by clearance gauge measurement and length bar analog detection
The positioning accuracy of block is avoided because the positioning of rope climbing block is inaccurate, leads to that disorder cable phenomenon occurs when wirerope-winding, wirerope is caused to turn round
Turn the wirerope that knots and damage, influences the service life of wirerope.
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 rope climbing block locating mounting method, which is characterized in that the described method includes:
Based on entering for first layer wirerope restricts a little on the effective length of rope groove, the screw pitch of rope groove and the reel on reel, really
The starting point of climbing of second layer wirerope on the fixed reel, the first layer wirerope enter rope point and the second layer wirerope
Starting point of climbing be located at the cylinder both ends of the reel；
Starting point of climbing, the radius of the reel cross section, the radius of the wirerope based on the second layer wirerope and
The minimum constructive height of rope climbing block determines that original bench mark point of the rope climbing block on the reel, the original bench mark point are located at institute
On the wiring direction for stating the starting point of climbing of second layer wirerope；
Original bench mark point based on the rope climbing block on the reel, installs the rope climbing block.
2. rope climbing block locating mounting method according to claim 1, which is characterized in that described to be had based on rope groove on reel
Entering for first layer wirerope restricts a little on effect length, the screw pitch of rope groove and the reel, determines second layer steel wire on the reel
The starting point of climbing of rope, comprising:
According to the screw pitch of the effective length of the rope groove and the rope groove, effective winding circle of the first layer wirerope is calculated
Number；
Number is enclosed in effective winding based on the first layer wirerope, and calculate the first layer wirerope enters rope point on target circle
The radius that is passed through, with the second layer wirerope climb radius that subpoint of the starting point on the target circle is passed through it
Between central angle, the target circle be the reel and by the first layer wirerope enter rope point cross section；
Based on the central angle, the starting point of climbing of second layer wirerope on the reel is determined.
3. rope climbing block locating mounting method according to claim 2, which is characterized in that distinguish at the cylinder both ends of the reel
Equipped with the first outer web and the second outer web, the rope point that enters of the first outer web and the first layer wirerope is located at same cylinder
The starting point of climbing of body end, the second outer web and the second layer wirerope is located at same cylinder end,
It is described to be based on the central angle, determine the starting point of climbing of second layer wirerope on the reel, comprising:
Based on the central angle, subpoint of the starting point on the target circle that climb of the second layer wirerope is determined；
Based on the subpoint, the starting point of climbing of second layer wirerope on the reel, second layer steel wire on the reel are determined
The starting point of climbing of rope is the intersection point on the inside of the reel outer circle bus that the subpoint is passed through and the described second outer web.
4. rope climbing block locating mounting method according to claim 1, which is characterized in that described to be based on the second layer steel wire
The minimum constructive height of starting point of climbing, the radius of the reel cross section, the radius of the wirerope and the rope climbing block restricted determines
Original bench mark point of the rope climbing block on the reel, comprising:
The minimum constructive height of radius based on the reel cross section, the radius based on the wirerope and rope climbing block calculates
The distance passed through from the starting point of climbing of the second layer wirerope to the original bench mark point on the wiring direction；
Climb starting point and the distance based on the second layer wirerope, determine the rope climbing block on the reel
Original bench mark point.
5. rope climbing block locating mounting method according to claim 4, which is characterized in that described to be based on the reel cross section
Radius, the radius of the wirerope and the minimum constructive height of rope climbing block, calculate on the wiring direction from the second layer
The distance that the starting point of climbing of wirerope is passed through to the original bench mark point, comprising:
It take the distance as the arc length on the cross section of the reel where the starting point of climbing of the second layer wirerope, based on described
The radius of wirerope and the minimum constructive height of rope climbing block calculate the distance in the corresponding central angle in the cross section of the reel；
Radius based on the reel cross section and described apart from corresponding central angle, calculates the distance.
6. rope climbing block locating mounting method according to claim 1, which is characterized in that described to be based on the rope climbing block in institute
The original bench mark point on reel is stated, the rope climbing block is installed, comprising:
Using the reel outer circle bus where the original bench mark point as original bench mark line, by the lower end end of the rope climbing block
Face is aligned with the original bench mark line, and by the rope climbing block with and adjacent the second outer web of original bench mark point side wall
Fitting；
The rope climbing block is fixed on the cylinder of the reel and the side wall of the second outer web.
7. rope climbing block locating mounting method according to claim 6, which is characterized in that described to be fixed on the rope climbing block
On the side wall of the cylinder of the reel and the second outer web, comprising:
Measure gap of the rope climbing block respectively with bobbin trunk and the joint place of the second outer web；
When being bonded for the rope climbing block and the gap of the joint place of bobbin trunk and the rope climbing block and the described second outer web
When the gap at place is all satisfied target gap range, the rope climbing block is fixed on outside the cylinder and described second of the reel
On the side wall of web.
8. rope climbing block locating mounting method according to claim 6, which is characterized in that the target gap range is 0-
0.1mm。
9. rope climbing block locating mounting method according to claim 6, which is characterized in that described to be fixed on the rope climbing block
On the side wall of the cylinder of the reel and the second outer web, comprising:
Determine that at least one measurement point, the measurement point position rise to the second layer for contacting from first layer in the rope climbing block
Wirerope face on；
First length bar is placed into the measurement point, first length bar is for simulating the steel for rising to the second layer from first layer
Cord；
Second length bar is placed into the rope groove adjacent with the rope climbing block, second length bar is for simulating and the rope climbing block
Wirerope in adjacent rope groove；
When first length bar climbs with the side wall of the described second outer web, the rope climbing block for contacting from first layer respectively
When to the face of the wirerope of the second layer and the tangent periphery of second length bar, the rope climbing block is fixed on described
On the side wall of the cylinder of reel and the second outer web.
10. rope climbing block locating mounting method according to claim 9, which is characterized in that at least one measurement of the determination
Point, comprising:
Determine five measurement points, for five measurement point positions in the low spot section of the rope climbing block, the low spot section is the rope climbing
Width is greater than the part of the diameter of first length bar in block, the distance phase of two neighboring measurement point in five measurement points
Deng.
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| CN201910335158.7A CN110255413B (en) | 2019-04-24 | 2019-04-24 | Positioning and mounting method for rope climbing block |
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| CN201910335158.7A CN110255413B (en) | 2019-04-24 | 2019-04-24 | Positioning and mounting method for rope climbing block |
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| CN111941327A (en) * | 2020-06-22 | 2020-11-17 | 武汉船用机械有限责任公司 | Positioning method of rope climbing block |
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|---|---|
| CN110255413B (en) | 2021-04-13 |
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