CN107777511A - A kind of load-carrying construction of Novel steel wire rope suspension arrangement - Google Patents
A kind of load-carrying construction of Novel steel wire rope suspension arrangement Download PDFInfo
- Publication number
- CN107777511A CN107777511A CN201610783503.XA CN201610783503A CN107777511A CN 107777511 A CN107777511 A CN 107777511A CN 201610783503 A CN201610783503 A CN 201610783503A CN 107777511 A CN107777511 A CN 107777511A
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- wedge
- rope
- cover
- piston rod
- steel wire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 56
- 239000010959 steel Substances 0.000 title claims abstract description 56
- 239000000725 suspension Substances 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 8
- 238000003754 machining Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims 4
- 239000010935 stainless steel Substances 0.000 claims 4
- 230000003746 surface roughness Effects 0.000 claims 4
- 238000000034 method Methods 0.000 claims 2
- 238000005242 forging Methods 0.000 claims 1
- 239000003607 modifier Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 240000006909 Tilia x europaea Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
-
- 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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
- F16G11/04—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with wedging action, e.g. friction clamps
- F16G11/044—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with wedging action, e.g. friction clamps friction clamps deforming the cable, wire, rope or cord
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The present invention relates to a kind of load-carrying construction of Novel steel wire rope suspension arrangement.Load-carrying construction is made up of lower shell, multifunctional balanced cylinder, rope Locking device, rope regulator, lock rope card；Steel wire rope sequentially passes through multifunctional balanced cylinder, rope Locking device, rope regulator, lock rope card, coordinates shield and connection to pitch, forms Novel steel wire rope autobalance suspension arrangement；Multiple suspension arrangements are ganged up by multifunctional balanced cylinder to be realized locking to more steel wire ropes, alters rope, autobalance, the function of release twisting resistance；Compared to other products, it has product with compact structure, in light weight, good airproof performance, good appearance, and connection is safe and reliable, easy to maintenance, it is easy to install the advantages that, be the indispensable important component of following mine hoisting equipment.
Description
Technical field
The present invention relates to a kind of load-carrying construction of Novel steel wire rope suspension arrangement.
Background technology
The suspension arrangement for being traditionally used for the boom hoist cable of mine hoisting container is wedge capping, and it has connection
It is solid and reliable, be not in loosening and obscission.But this attachment means locking and unblock steel wire rope program are cumbersome, every time
It is laborious time-consuming to alter rope, tension force is unable to autobalance between more ropes, and when elevator drives hoisting container to move back and forth, lifting
Steel wire rope also inevitably produces very big torsional moment in addition to bearing huge tension and shock loading, and this
Kind torsional moment accelerates the speed of steel rope abrasion, so as to reduce the useful life of steel wire rope.Therefore, it is necessary to improve existing
Some boom hoist cable attachment means, the fastness and reliability of connection should be ensured, equalization of strain is realized, mitigate again or disappear
Except the sth. made by twisting torque acted on steel wire rope, while to realize installation and safeguard the convenient and swift of more change steel rope.
The content of the invention
During in order to solve conventional suspension devices volume big, installation fee, the problems such as torsional moment is big, steel rope abrasion is fast, this
Invention proposes a kind of load-carrying construction of Novel steel wire rope suspension arrangement.
The technical solution adopted by the present invention is：A kind of load-carrying construction of Novel steel wire rope suspension arrangement is by lower shell, more work(
Can compensating cylinder, rope Locking device, rope regulator, lock rope card, steel wire rope composition.Lower shell is connected through a screw thread, with multifunctional balanced cylinder group
Into the external frame in load-carrying construction, rope Locking device, rope regulator, lock rope card pass through boom hoist cable, are sequentially arranged at from top to bottom
In lower shell；The piston rod of multifunctional balanced cylinder and rope Locking device pin connection, multifunctional balanced cylinder external oil pipe connect hydraulic pump.
Described multifunctional balanced cylinder is by piston rod, top combination sealing, cylinder barrel, middle part combination sealing, plinth, distance set, bottom
Sealing, logical set, lower logical set composition；Piston rod is arranged on cylinder barrel center, with cylinder barrel, top combination sealing, logical set, distance set, under
Portion's sealing, lower logical set composition allow the sealed cylinder block of fluid storage and discharge, and piston rod can be slided and turned in sealed cylinder block
It is dynamic.Described rope Locking device is made up of cover of wedge, flat board bearing, wedge, connecting pin, baffle plate；Wedge and panel axes are held installed in cover of wedge
Plane motion interior, that flat board bearing can be between cover of wedge and wedge.Described rope regulator is by cover of wedge flat board bearing, wedge, solid
Rationed marketing, baffle plate, top cover, piston rod, logical set, cylinder barrel, sealing, plinth composition；Wedge and panel axes are held in cover of wedge, are put down
Board shaft holds plane motion that can be between cover of wedge and wedge.
It is further：After described lock rope card and steel wire rope afterbody is secured to together, more weights are provided for suspension arrangement
Safety guarantee.
Described lower shell is rolled using high-grade alloy steel of the strength of materials more than Q600, then forged, machining,
As the unitary member that top cylinder shape, bottom are forked.
During installation, steel wire rope is sequentially passed through into multifunctional balanced cylinder, rope Locking device, rope regulator, lock rope card, the voussoir of rope Locking device
Motion, rope Locking device locking steel wire rope upwards, push up the voussoir of rope regulator, rope regulator locking steel wire rope, the lock rope tight steel of clip
Cord.The wedge of rope Locking device and rope regulator can carry out the upward sliding and slide downward relative to cover of wedge along flat board bearing；
Motion can be with locking steel wire rope upwards, and steel wire rope can be unlocked by moving downward.It can be produced after rope Locking device locking steel wire rope with steel wire rope
Raw twisting resistance rotation.Rope regulator can be fixed with lower shell by connecting pin, and realization quickly alters rope.
The beneficial effects of the invention are as follows：The shortcomings that overcoming existing attachment means, that is, it ensure that boom hoist cable and lifting are held
The fastness and reliability of device connection, alleviate or eliminate again the twisting resistance acted on steel wire rope, moreover it is possible to allow and install and tie up
Shield steel wire rope is more convenient, and the equalization of strain between adjust automatically rope more, band carries and quickly alters rope.
Brief description of the drawings
Accompanying drawing 1 is the load-carrying construction figure of Novel steel wire rope suspension arrangement.
Accompanying drawing 2 is the structure chart of multifunctional balanced cylinder.
Accompanying drawing 3 is the structure chart of rope Locking device.
Accompanying drawing 4 is the structure chart of rope regulator.
Accompanying drawing 5 is the structure chart of lock rope card.
Accompanying drawing 6 is the structure chart of lower shell.
Embodiment
It is the instantiation of the present invention below, in conjunction with accompanying drawing, the invention will be further described.
As shown in Figures 1 to 6, a kind of load-carrying construction of Novel steel wire rope suspension arrangement includes lower shell (1), Multifunctional flat
Weigh cylinder (2), rope Locking device (3), rope regulator (4), lock rope card (5) and boom hoist cable (6).Lower shell (1) and multifunctional balanced cylinder
(2) it is threadedly coupled, forms the external frame in load-carrying construction.The piston rod (2-1) of multifunctional balanced cylinder (2) and rope Locking device (3)
Connected with connecting pin (3-4), multifunctional balanced cylinder (2) external oil pipe connects hydraulic pump.Boom hoist cable (6) is from top to bottom successively
The wedge of centre bore, rope Locking device (3) and rope regulator (4) through multifunctional balanced cylinder (2), after eventually passing through lock rope card (5), with
Lock rope card (5) is fixed together.
The course of work：When altering rope, the upper and lower oil inlet of the multifunctional balanced cylinder (2) for the steel wire rope (6) that alter rope is opened,
Close the upper and lower oil inlet of other steel wire ropes (6).If piston rod (2-1) is close to the position of limes superiors, the first step：From more
Oil inlet pressurizes on function balance cylinder (2), and piston rod (2-1) drives rope Locking device (3) and rope regulator (4) to move downward, and is restricted adjusting
Device (4) is moved to the position coordinated with the pin-and-hole of (1) on lower shell, with steady pin (4-4) by rope regulator (4) and lower shell (1)
Fixed, now the cover of wedge (3-1) of rope Locking device (3) is driven by piston rod (2-1) and moved downward, locking steel wire rope (6).Second step：
Pressurizeed from oil inlet under multifunctional balanced cylinder (2), piston rod (2-1) drives cover of wedge (3-1) to move upwards, rope Locking device (3) release
Steel wire rope (6).Now steel wire rope (6) drives the wedge (4-3) of rope regulator (4) to move upwards, and cover of wedge (4-1) is with respect to wedge (4-
3) move downward, rope regulator (4) locking steel wire rope (6).3rd step：Pressurizeed from oil inlet on multifunctional balanced cylinder (2), piston
Bar (2-1) drives the cover of wedge (3-1) of rope Locking device (3) to move down, rope Locking device (3) locking steel wire rope (6).Reach the position for altering rope
Put, pull down steady pin (4-4), move up rope regulator (4) and be in contact to rope Locking device (3) lower end, locking rope regulator (4), alter
Knot beam.If piston rod (2-1) adjusts Novel steel wire rope suspension close to the position of limit inferior since second step above
Rope is altered in the load-carrying construction of device, realization.Lock rope card (5) is moved upwards up to close to rope regulator, steel wire rope (6) afterbody and lock are restricted
Card (5) is fixedly connected.Open the upper and lower oil inlet of multifunctional balanced cylinder (2) on every steel wire rope (6), closing switch main valve.When
When needing equalization of strain, oil inlet switch main valve or lower oil inlet switch main valve, are unified for multifunctional balanced in closing
Cylinder (2) pressurizes, and every steel wire rope (6) is reached tension self_poise.
The present invention utilizes rope Locking device (3) and rope regulator (4), can be with quick locking steel wire rope (6).Because rope Locking device (3) and
The different working condition of rope regulator (4), coordinates the lifting of multifunctional balanced cylinder (2), it is possible to achieve band carries and quickly alters rope, that is, locks
During rope Locking device (3), unblock and mobile rope regulator (4)；Or during locking rope regulator (4), unblock and mobile rope Locking device (3), have safely
Effect.Lock rope card (5) is fixed on steel wire rope afterbody, and more heavy safety guarantee are provided for suspension arrangement.When hoisting container is run, steel
Twisting resistance caused by cord (6), it can rotate rope Locking device (3), discharge twisting resistance to a certain extent.Multifunctional balanced cylinder (2)
The multiple UNICOMs of upper and lower oil inlet, be uniformly controlled respectively by switch main valve, by controlling the oil mass of upper and lower oil inlet to reach
To more rope tension autobalances.
Claims (6)
- A kind of 1. load-carrying construction of Novel steel wire rope suspension arrangement, it is characterised in that：Including lower shell (1), multifunctional balanced cylinder (2), rope Locking device (3), rope regulator (4), lock rope card (5) and boom hoist cable (6)；Lower shell (1) is logical with multifunctional balanced cylinder (2) Threaded connection is crossed, forms the external frame in load-carrying construction, rope Locking device (3), rope regulator (4), lock rope card (5) are arranged on lower shell (1) in；The piston rod (2-1) of multifunctional balanced cylinder (2) and rope Locking device (3) pin connection, multifunctional balanced cylinder (2) external oil pipe Connect hydraulic pump；Boom hoist cable (6) sequentially passes through the centre bore of multifunctional balanced cylinder (2), rope Locking device (3) and adjusted from top to bottom The wedge of rope device (4), after eventually passing through lock rope card (5), boom hoist cable (6) afterbody is fixed with lock rope card (5) with clamping screw Connection.
- 2. according to a kind of load-carrying construction of Novel steel wire rope suspension arrangement described in claim 1, it is characterised in that：Described Multifunctional balanced cylinder (2) by piston rod (2-1), top combination sealing (2-2), cylinder barrel (2-3), middle part combination sealing (2-4), connect Headstock (2-5), distance set (2-6), lower seal (2-7), logical set (2-8), lower logical set (2-9) composition；Piston rod (2-1) is installed At cylinder barrel (2-3) center, with cylinder barrel (2-3), top combination sealing (2-2), logical set (2-8), distance set (2-6), lower seal (2-7), lower logical set (2-9) composition allow the sealed cylinder block that fluid is stored and discharged, and piston rod (2-1) can be in sealed cylinder block Slide and rotate；Top combination sealing (2-2) is arranged on the logical set (2-8) on cylinder barrel (2-3) top, middle part combination sealing (2- 4) installed in the upper of piston rod (2-1), lower seal (2-7) is arranged on the lower logical set (2-9) of cylinder barrel (2-3) afterbody；Two Plinth (2-5) is respectively welded at the oil inlet and oil-out of cylinder barrel (2-3)；Distance set (2-6) is enclosed on piston rod (2-1) On, it is in contact with lower logical set (2-9)；Logical set (2-8) is enclosed on piston rod (2-1), installed in cylinder barrel (2-3) upper end, with cylinder barrel (2-3) is threadedly coupled；Lower logical set (2-9) is enclosed on piston rod (2-1), installed in cylinder barrel (2-3) afterbody, with cylinder barrel (2-3) spiral shell Line connects.
- 3. according to a kind of load-carrying construction of Novel steel wire rope suspension arrangement described in claim 1, it is characterised in that：Described Rope Locking device (3) is made up of cover of wedge (3-1), flat board bearing (3-2), wedge (3-3), connecting pin (3-4), baffle plate (3-5)；Wedge (3-3) and panel axes hold (3-2) in cover of wedge (3-1), and flat board bearing (3-2) can be in cover of wedge (3-1) and wedge (3-3) Between plane motion, wedge (3-3) can along flat board bearing (3-2) carry out relative to cover of wedge (3-1) upward sliding and Slide downward；Connecting pin (3-4) is arranged on wedge (3-3) top, can connect with the piston rod (2-1) of multifunctional balanced cylinder (2) Connect；Baffle plate (3-5) is arranged on cover of wedge (3-1) bottom, the downward range of movement of limitation flat board bearing (3-2)；Cover of wedge (3-1) uses More than Tensile strength 600MPa high intensity steel or stainless steel, overall processing is into square internally and round externally tubular, internal trapezoidal side Hole machined requirement is integrally formed；Inner chamfer requires that processing gradient is 1: 9~1: 15；Stepped inner surface length is by rope Locking device (3) 5~20 times of the wirerope diameter of locking；Stepped inner surface is flat board bearing (3-2) load-carrying surface, machined surface roughness Ra Less than or equal to 6.3 μm, quenched rear hardness will reach HB240~HB260, and hardness will reach HRC40~HRC50 after surface hardening； The wedge with grooving that wedge (3-3) is processed into using more than Tensile strength 600MPa high intensity steel or stainless steel, The outer oblique surface machining gradient of wedge (3-3), it is consistent with the oblique surface machining gradient of supporting cover of wedge (3-1)；Chamfer length requirement More than or equal to the chamfer length of supporting cover of wedge (3-1)；The outer inclined-plane of wedge (3-3) is equally flat board bearing (3-2) load Face, machined surface roughness Ra are less than or equal to 6.3 μm, and quenched rear hardness will reach HB240~HB260, hardness after surface hardening Reach HRC40~HRC50；Wedge (3-3) gore symmetric position processes stopper slot.
- 4. according to a kind of load-carrying construction of Novel steel wire rope suspension arrangement described in claim 1, it is characterised in that：Described Rope regulator (4) by cover of wedge (4-1) flat board bearing (4-2), wedge (4-3), steady pin (4-4), baffle plate (4-5), top cover (4-6), Piston rod (4-7), logical set (4-8), cylinder barrel (4-9), sealing (4-10), plinth (4-11) composition；Wedge (4-3) and panel axes (4-2) is held in cover of wedge (4-1), the plane fortune that flat board bearing (4-2) can be between cover of wedge (4-1) and wedge (4-3) Dynamic, wedge (4-3) can carry out the upward sliding and slide downward relative to cover of wedge cover of wedge (4-1) along flat board bearing (4-2)； Steady pin (4-4) can rotate in the annular recess of cover of wedge (4-1) bottom in groove；Baffle plate (4-5) is arranged on cover of wedge (4-1) bottom, the downward range of movement of limitation flat board bearing (4-2)；In top cover (4-6) external screw thread and piston rod (4-7) head Threaded connection；Installation sealing (4-10), can be slided close to piston rod (4-7) inwall on the outer wall of cover of wedge (4-1) head；Cover of wedge (4-1) bottom shaft shoulder is welded with cylinder barrel (4-9) tail end, and cylinder barrel (4-9) head internal thread is connected with logical set (4-8) external screw thread, is led to Set (4-8) is enclosed on piston rod (4-7), and plinth (4-11) is threaded on logical set (4-8)；Piston rod (4-7), logical set (4-8), cylinder barrel (4-9), plinth (4-11) composition can allow the sealed cylinder block that fluid is stored and discharged, piston rod (4-7) It can be slided in the case where entering the pressure of fluid of cylinder body close to cylinder barrel (4-9) inwall；Cover of wedge (4-1) uses Tensile strength High intensity steel or stainless steel not less than 600MPa, overall processing require into square internally and round externally tubular, internal trapezoidal square hole working It is integrally formed；Inner chamfer requires that processing gradient is 1: 9~1: 15；Stepped inner surface length is the steel locked by rope regulator (4) 5~20 times of cord diameter；Stepped inner surface is flat board bearing (4-2) load-carrying surface, and machined surface roughness Ra is less than or equal to 6.3 μm, quenched rear hardness will reach HB240~HB260, and hardness will reach HRC40~HRC50 after surface hardening；It is close on the outside of tubular Bottom position digs annular groove；Wedge (4-3) is processed using high intensity steel or stainless steel of the Tensile strength not less than 600MPa Into the wedge with grooving, the outer oblique surface machining gradient of wedge (4-3) is oblique with the oblique surface machining of supporting cover of wedge (4-1) Degree is consistent；Chamfer length of the chamfer length requirement more than or equal to supporting cover of wedge (4-1)；The outer inclined-plane of wedge (4-3) is equally Flat board bearing (4-2) load-carrying surface, machined surface roughness Ra is less than or equal to 6.3 μm, it is quenched after hardness to reach HB240~ HB260, hardness will reach HRC40~HRC50 after surface hardening；Wedge (4-3) gore symmetric position processes stopper slot.
- 5. according to a kind of load-carrying construction of Novel steel wire rope suspension arrangement described in claim 1, it is characterised in that：Described Lock rope card (5) is made up of clamping plate (5-1) and bolt (5-2), and each pair lock rope card (5) is arranged symmetrically four groups of bolts；Lock rope card (5) is most Big appearance and size is less than the internal diameter of lower shell (1).
- 6. according to a kind of load-carrying construction of Novel steel wire rope suspension arrangement described in claim 1, it is characterised in that：Described Lower shell (1) is rolled by more than yield strength 600MPa high-grade alloy steel, then forged, machining, makes lower shell (1) As the unitary member that top cylinder shape, bottom are forked；Lower shell (1) both sides symmetrical machining is specialized in fixed rope device instrument of altering and inserted The pin-and-hole of pin, pin-and-hole quantity 4~30, pin-and-hole diameter of phi 25mm~Φ 80mm；After processing the shaped steel forging of lower shell (1), to enter Row modifier treatment, its hardness is set to reach HB220~HB260.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783503.XA CN107777511A (en) | 2016-08-25 | 2016-08-25 | A kind of load-carrying construction of Novel steel wire rope suspension arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783503.XA CN107777511A (en) | 2016-08-25 | 2016-08-25 | A kind of load-carrying construction of Novel steel wire rope suspension arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107777511A true CN107777511A (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610783503.XA Pending CN107777511A (en) | 2016-08-25 | 2016-08-25 | A kind of load-carrying construction of Novel steel wire rope suspension arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052127A (en) * | 2018-10-23 | 2018-12-21 | 徐州市工大三森科技有限公司 | A kind of two-freedom feedback adjustment rope grip mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201593584U (en) * | 2009-12-07 | 2010-09-29 | 徐州市工大三森科技有限公司 | Rotary rope clamp |
| CN203474161U (en) * | 2013-05-30 | 2014-03-12 | 徐州煤元机电技术有限公司 | Novel suspension device for steel wire rope |
| CN206126570U (en) * | 2016-08-25 | 2017-04-26 | 徐州中矿科光机电新技术有限公司 | Novel wire rope hangs device |
-
2016
- 2016-08-25 CN CN201610783503.XA patent/CN107777511A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201593584U (en) * | 2009-12-07 | 2010-09-29 | 徐州市工大三森科技有限公司 | Rotary rope clamp |
| CN203474161U (en) * | 2013-05-30 | 2014-03-12 | 徐州煤元机电技术有限公司 | Novel suspension device for steel wire rope |
| CN206126570U (en) * | 2016-08-25 | 2017-04-26 | 徐州中矿科光机电新技术有限公司 | Novel wire rope hangs device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052127A (en) * | 2018-10-23 | 2018-12-21 | 徐州市工大三森科技有限公司 | A kind of two-freedom feedback adjustment rope grip mechanism |
| CN109052127B (en) * | 2018-10-23 | 2023-10-24 | 徐州市三森威尔矿山科技有限公司 | Two-degree-of-freedom feedback adjustment rope clamping mechanism |
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