CN110254444A - A kind of rope gripper - Google Patents
A kind of rope gripper Download PDFInfo
- Publication number
- CN110254444A CN110254444A CN201910597913.9A CN201910597913A CN110254444A CN 110254444 A CN110254444 A CN 110254444A CN 201910597913 A CN201910597913 A CN 201910597913A CN 110254444 A CN110254444 A CN 110254444A
- Authority
- CN
- China
- Prior art keywords
- rope
- linking arm
- guide pad
- connecting plate
- pin shaft
- Prior art date
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000002146 bilateral effect Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
- B61B12/12—Cable grippers; Haulage clips
- B61B12/125—Cable grippers; Haulage clips for non aerial ropeways, e.g. on or under the ground
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The present invention provides a kind of rope gripper, including the first pin shaft, linking arm, guiding device, second pin shaft and rope-clamping holder assembly, the linking arm lower end passes through guiding device upper end mounting plate and is stuck in guide pad front and back end, the linking arm upper end is equipped with through-hole, the first pin shaft is inserted in through-hole, rope-clamping holder assembly and guiding device lower end guide pad are clamped and are mounted between guide pad and linking arm, rope-clamping holder assembly, guide pad is connect with linking arm by the second pin shaft, the lifting of rope grip mechanism bilateral, cambered surface clamps, effectively increase rope-clamping frictional force, rope grip mechanism is also not easy to deform, the device can effectively be clamped wirerope.
Description
Technical field
The present invention relates to mining auxiliary device technical field, specially a kind of rope gripper.
Background technique
SQ-1200 endless rope series tractor transportation system is to improve conevying efficiency, the mode of usually multiple mine car composition train groups
It is transported, with hard connecting rod and annulus chain link between each train, hard connecting rod is connected to Ackermann steer angle and is easy to slide down, round-link chain
Connection, which belongs to, to be flexible coupling, when shuttle car traction mine car, which is arranged, switchs to descending by upward slope, the weight of mine car and the connection surplus of round-link chain,
It is easy that car team is made to occur to impact to slide down to cause the accident.Currently, best solution is exactly in car team tail portion regarding to the issue above
Add an auxiliary traction vehicle.
Auxiliary traction car owner will be by vehicle frame, rope-clamping oil cylinder, rope gripper, hydraulic system, velocity package and brake assemblies
Composition, wherein rope gripper plays a crucial role in auxiliary traction vehicle, and rope-clamping effect quality is directly related to auxiliary
It is due whether tractor can play the role of.The patent of invention of the patent No. 201310146673.3 has been related to wirerope and has clamped dress
It sets, including upper clamping element and lower clamping element, lower clamping element has lift block and connection handle, and connection handle is thin and is fixed on lift block
Side, when clamping steel wire rope, be easily deformed since clamping force is larger, if clamping element thickeied, due to being run by system
The limitation in space will affect the normal operation of auxiliary traction vehicle, then influence the operation of whole system.
Summary of the invention
Technical problem solved by the invention is to provide a kind of rope gripper, mentioned above in the background art to solve
Problem.
Technical problem solved by the invention is realized using following technical scheme:
A kind of rope gripper, including the first pin shaft, linking arm, guiding device, the second pin shaft and rope-clamping holder assembly, the company
Arm lower end is connect across guiding device upper end mounting plate and is stuck in guide pad front and back end, the linking arm upper end is equipped with through-hole, through-hole
It is inside inserted with the first pin shaft, rope-clamping holder assembly and guiding device lower end guide pad are clamped and are mounted between guide pad and linking arm,
Rope-clamping holder assembly, guide pad and linking arm are connected by the second pin shaft;
First pin shaft is used to connect two linking arms, and linking arm with rope-clamping holder assembly for connecting and driving rope-clamping
Holder assembly moves up and down, wire installation be used to be defined the motion profile of linking arm and rope-clamping holder assembly and to wirerope into
Row clamping, rope-clamping holder assembly with linking arm for connecting and guiding device being cooperated to clamp wire;
The linking arm includes connecting plate and steel plate, and two connecting plate two sides are connected by Interal fixation, and connecting plate is vertical
Direction two sides are equipped with through-hole, and through-hole is arranged in connecting plate and steel plate junction two sides;
The guiding device includes mounting plate and guide pad, and guide pad is fixedly mounted in mounting plate lower end, and mounting plate upper end is set
There is rectangular channel, upper and lower sides are respectively provided with three for the connecting hole with tractor at the top of mounting plate, and guide pad is fixed under mounting plate
Middle position is held, waist-shaped hole is equipped among guide pad, guide pad two sides are equipped with voussoir, and guide pad bottom is equipped with upper guide groove, leads
It is upper arc profile to groove top portion;
The rope-clamping holder assembly includes rope base connecting plate and rope base, and the rope base connecting plate is logical equipped with rope base
Rope base is fixedly mounted in hole, rope base connecting plate lower end, and rope base connecting plate bottom is set there are two middle arc profile chamfering, middle circle
It is middle arc profile on the inside of camber surface chamfer, rope base top center is equipped with lower arc groove, and lower arc groove two sides are equipped with lower circular arc
Type surface chamfer, lower arc profile chamfering outside is lower arc profile.
Further, the rope base is detachably connected with rope base connecting plate, and rope base bottom is equipped with through-hole, passes through spiral shell
Rope base bottom through-hole can be fixedly connected by nail with rivet with rope-clamping connecting plate.
Further, arc profile shape is corresponding with lower circular arc groove shape on the guide groove upper end, the middle circular arc
Type face is corresponding with lower arc profile chamfer shape.
Further, the linking arm is connected by pin shaft, is equipped with split pin in pin shaft.
Further, the linking arm upper end is connected by pin shaft connected to it and the rope-clamping oil cylinder in outside, rope-clamping oil
Cylinder is for controlling linking arm up and down motion.
Further, the guide groove passes through guide pad and voussoir bottom.
Further, when connecting plate is connect with rope base, inside some be not bonded with middle arc profile.
Compared with prior art, the beneficial effects of the present invention are:
1. rope grip mechanism bilateral lifts, cambered surface is clamped, and effectively increases rope-clamping frictional force, rope grip mechanism is also not easy to deform;
2. each parts and components requirement on machining accuracy is not high, easy to process;
3. whole part is bolted with host, installs, replaces conveniently;
4. rope grip mechanism pin shaft connect, rope-clamping, tear open rope it is simple and convenient, safe and reliable;
5. arc surface rope-clamping slot, meet construction of wire rope shape, when clamping does not hurt wirerope;
Detailed description of the invention
Fig. 1 is front view of the invention;
Fig. 2 is side view of the invention;
Fig. 3 is linking arm side view of the invention;
Fig. 4 is linking arm front view of the invention;
Fig. 5 is guiding device front view of the invention;
Fig. 6 is guiding device side sectional view of the invention;
Fig. 7 is mounting plate top view of the invention;
Fig. 8 is guide pad front view of the invention;
Fig. 9 is guide pad bottom view of the invention;
Figure 10 is rope base component side view of the invention;
Figure 11 is rope-clamping holder assembly front view of the invention;
Figure 12 is rope base connecting plate front view of the invention;
Figure 13 is rope base front view of the invention;
Figure 14 is rope base side view of the invention.
In figure: 1 first pin shaft, 3 linking arms, 31 connecting plates, 32 steel plates, 4 guiding devices, 41 mounting plates, 411, connecting hole,
412 rectangular channels, 42 guide pads, 421 waist-shaped holes, 423 guide grooves, arc profile on 424,8 second pin shafts, 10 rope-clamping holder assemblies,
101 rope base connecting plates, arc profile chamfering in 1012, arc profile in 1013,102 rope bases, 1021 lower arc profiles,
1022 lower arc profile chamferings, 1023 lower arc grooves.
Specific embodiment
In order to make implement technical means of the invention, creation characteristic, reach purpose and effect is easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
As shown in figures 1-4,
Embodiment 1
A kind of rope gripper, including the first pin shaft 1, linking arm 3, guiding device 4, the second pin shaft 8 and rope-clamping holder assembly 10,
3 lower end of linking arm passes through 4 upper end mounting plate 41 of guiding device and is stuck in 42 front and back end of guide pad, 3 upper end of linking arm
Equipped with through-hole, the first pin shaft 1 is inserted in through-hole, rope-clamping holder assembly 10 is clamped and is mounted on 4 lower end guide pad 42 of guiding device
Between guide pad 42 and linking arm 3, rope-clamping holder assembly 10, guide pad 42 are connect with linking arm 3 by the second pin shaft 8;
First pin shaft 1 is for connecting two linking arms 3, and linking arm 3 is for connecting simultaneously band with rope-clamping holder assembly 10
Dynamic rope-clamping holder assembly 10 moves up and down, and wire installation 4 is for being defined linking arm 3 and the motion profile of rope-clamping holder assembly 10
And wirerope is clamped, rope-clamping holder assembly 10 with linking arm 3 for connecting and guiding device 4 being cooperated to press from both sides wire
It holds;
The linking arm 3 includes connecting plate 31 and steel plate 32, and two 31 two sides of connecting plate are fixedly connected by steel plate 32, even
31 vertical direction two sides of fishplate bar are equipped with through-hole, and through-hole is arranged in connecting plate 31 and 32 junction two sides of steel plate;
The guiding device 4 includes mounting plate 41 and guide pad 42, and guide pad 42, installation is fixedly mounted in 41 lower end of mounting plate
41 upper end of plate is equipped with rectangular channel 411, and 41 top upper and lower sides of mounting plate are respectively provided with three for the connecting hole 411 with tractor, lead
It is fixed on 41 lower end middle position of mounting plate to block 42, waist-shaped hole 421 is equipped among guide pad 42,42 two sides of guide pad are equipped with wedge
Block, 42 bottom of guide pad are equipped with upper guide groove 424, are upper arc profile 424 at the top of guide groove 423;
The rope-clamping holder assembly 10 includes rope base connecting plate 101 and rope base 102, on the rope base connecting plate 101
Equipped with rope-clamping block hole 1011, rope base 102 is fixedly mounted in 101 lower end of rope base connecting plate, and 101 bottom of rope base connecting plate is set
It is middle arc profile 1013,102 top of rope base on the inside of middle arc profile chamfering 1012 there are two middle arc profile chamfering 1012
Centre is equipped with lower arc groove 1023, and lower 1023 two sides of arc groove are equipped with lower arc profile chamfering 1022, lower arc profile chamfering
1022 outsides are lower arc profile 1021.
Embodiment 2
Unlike the first embodiment, the rope base 102 is detachably connected the present embodiment with rope base connecting plate 101, folder
102 bottom of seat restrict equipped with through-hole, 102 bottom through-hole of rope base and rope-clamping connecting plate 101 can be fixed by screw and rivet
Connection, can also be fixedly connected by welding between rope base 102 and rope base connecting plate 101.
Embodiment 3
The present embodiment unlike the first embodiment, 424 shape of arc profile and lower circular arc on 423 upper end of guide groove
1023 shape of slot is corresponding, and the middle arc profile 1013 is corresponding with lower arc profile 1022 shapes of chamfering.
Embodiment 4
Unlike the first embodiment, the linking arm 3 is connected the present embodiment by pin shaft 1, and opening is equipped in pin shaft 1
Pin.
Embodiment 5
Unlike the first embodiment, 3 upper end of linking arm passes through pin shaft 1 connected to it and outside to the present embodiment
The connection of rope-clamping oil cylinder, rope-clamping oil cylinder is for controlling the up and down motion of linking arm 3.
Embodiment 6
Unlike the first embodiment, the guide groove 423 passes through guide pad 42 and voussoir bottom to the present embodiment.
Embodiment 7
Unlike the first embodiment, when connecting plate 101 is connect with rope base 102,1021 insides have one to the present embodiment
Divide and is not bonded with middle arc profile 1013.
The linking arm 3, connecting plate 101 are connected in turn with guide pad 42 by the second pin shaft 6, the second pin shaft 6
Across connecting plate 101 by the through-hole of through-hole 1011, the waist-shaped hole 421 of guide pad 42 and connecting plate 31 by linking arm 3,
Guiding device 4 is not fixed with rope-clamping holder assembly 10 and links together;
The middle arc profile chamfering 1012 of connecting plate 101 is corresponding with lower arc profile chamfering 1022, middle arc profile
1013 is corresponding with the lower arc profile 1021 of rope base 102, is in order to which connecting plate 101 and rope base 102 is stronger
It links together;
The lower arc profile 1023 of rope base 102 is also corresponding with the upper guide groove 423 of guide pad 42, steel wire penetrating folder
The lower arc groove 1023 of seat 102 of restricting is formed by circular groove with the upper guide groove 423 of guide pad 42, and frictional force is big.
When rope gripper not rope-clamping and when rope-clamping oil cylinder reaches range, linking arm 3 drive rope-clamping holder assembly 10 with
423 direction of guide groove of guide pad 42 moves upwards, at this time on guide pad 42 arc profile 424 and rope base 102 lower circular arc
The inside of type face 1021 does not fit with middle 1013 joint place of arc profile, two rope grooves 423 and 1023 all for greater than wire rope radius,
But the profound high arc slot for being both less than wire rope radius, therefore wirerope can be clamped.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.Claimed range of the invention by appended claims and
Its equivalent thereof.
Claims (9)
1. a kind of rope gripper, including the first pin shaft, linking arm, guiding device, the second pin shaft and rope-clamping holder assembly, feature exist
In: the linking arm lower end passes through guiding device upper end mounting plate and is stuck in guide pad front and back end, and the linking arm upper end is equipped with
Through-hole, the first pin shaft is inserted in through-hole, and rope-clamping holder assembly and guiding device lower end guide pad are clamped and are mounted on guide pad and company
It connects between arm, rope-clamping holder assembly, guide pad and linking arm are connected by the second pin shaft;
First pin shaft is used to connect two linking arms, and linking arm with rope-clamping holder assembly for connecting and driving rope base group
Part moves up and down, and wire installation is for being defined the motion profile of linking arm and rope-clamping holder assembly and pressing from both sides to wirerope
It holds, rope-clamping holder assembly with linking arm for connecting and guiding device being cooperated to clamp wire.
2. a kind of rope gripper according to claim 1, it is characterised in that: the linking arm includes connecting plate and steel plate,
Two connecting plate two sides by Interal fixation connect, connecting plate vertical direction two sides be equipped with through-hole, through-hole setting connecting plate with
Steel plate junction two sides;
The guiding device includes mounting plate and guide pad, and guide pad is fixedly mounted in mounting plate lower end, and mounting plate upper end is equipped with square
Shape slot, mounting plate top upper and lower sides are respectively provided with three for the connecting holes with tractor, and guide pad is fixed in mounting plate lower end
Between position, waist-shaped hole is equipped among guide pad, guide pad two sides are equipped with voussoir, and guide pad bottom is equipped with upper guide groove, guide groove
Top is upper arc profile;
The rope-clamping holder assembly includes rope base connecting plate and rope base, and the rope base connecting plate is equipped with rope-clamping block hole,
Rope base is fixedly mounted in rope base connecting plate lower end, and rope base connecting plate bottom is set there are two middle arc profile chamfering, middle circular arc
It is middle arc profile on the inside of type surface chamfer, rope base top center is equipped with lower arc groove, and lower arc groove two sides are equipped with lower circular arc type
Surface chamfer, lower arc profile chamfering outside is lower arc profile.
3. a kind of rope gripper according to claim 1, it is characterised in that: the rope base and rope base connecting plate are removable
Connection is unloaded, and rope base bottom is equipped with through-hole, rope base bottom through-hole and rope-clamping connecting plate can be fixed by screw and rivet
Connection.
4. a kind of rope gripper according to claim 1, it is characterised in that: between the rope base and rope base connecting plate
Weld together.
5. a kind of rope gripper according to claim 1, it is characterised in that: arc profile shape on the guide groove upper end
Corresponding with lower circular arc groove shape, the middle arc profile is corresponding with lower arc profile chamfer shape.
6. a kind of rope gripper according to claim 1, it is characterised in that: the linking arm is connected by pin shaft, pin shaft
Split pin is inside installed.
7. a kind of rope gripper according to claim 1, it is characterised in that: the linking arm upper end passes through connected to it
Pin shaft and the rope-clamping oil cylinder in outside connect, and rope-clamping oil cylinder is for controlling linking arm up and down motion.
8. a kind of rope gripper according to claim 1, it is characterised in that: the guide groove passes through guide pad and voussoir bottom
Portion.
9. a kind of rope gripper according to claim 1, it is characterised in that: when connecting plate is connect with rope base, inside
Some is not bonded with middle arc profile.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910597913.9A CN110254444B (en) | 2019-07-04 | 2019-07-04 | Rope clamping device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910597913.9A CN110254444B (en) | 2019-07-04 | 2019-07-04 | Rope clamping device |
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CN110254444A true CN110254444A (en) | 2019-09-20 |
CN110254444B CN110254444B (en) | 2024-03-22 |
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CN201910597913.9A Active CN110254444B (en) | 2019-07-04 | 2019-07-04 | Rope clamping device |
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CN (1) | CN110254444B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110904848A (en) * | 2019-12-11 | 2020-03-24 | 刘士英 | Steel strand wires prestressing force tensioning equipment of bridge construction usefulness |
CN113264069A (en) * | 2021-05-18 | 2021-08-17 | 凯盛重工有限公司 | Rope clamping small tail car for endless rope continuous traction vehicle and use method thereof |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202463806U (en) * | 2012-03-05 | 2012-10-03 | 康鹏 | Endless rope winch clamp-type vehicle stabilizer |
CN103213586A (en) * | 2013-04-24 | 2013-07-24 | 常州科研试制中心有限公司 | Auxiliary tractor of endless rope continuous traction system |
CN103420246A (en) * | 2013-08-23 | 2013-12-04 | 宁波赛富特电梯部件有限公司 | Rope clamp |
CN204251118U (en) * | 2014-11-03 | 2015-04-08 | 河北东方富达机械有限公司 | Wire holder |
CN104843587A (en) * | 2014-02-17 | 2015-08-19 | 刘德民 | Crane movable pulley apparatus with rope breaking protection and anti-falling mechanism |
WO2016058255A1 (en) * | 2014-10-14 | 2016-04-21 | 邹家春 | Automatic reset steel wire rope brake |
CN210363805U (en) * | 2019-07-04 | 2020-04-21 | 凯盛重工有限公司 | Rope clamping device |
-
2019
- 2019-07-04 CN CN201910597913.9A patent/CN110254444B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202463806U (en) * | 2012-03-05 | 2012-10-03 | 康鹏 | Endless rope winch clamp-type vehicle stabilizer |
CN103213586A (en) * | 2013-04-24 | 2013-07-24 | 常州科研试制中心有限公司 | Auxiliary tractor of endless rope continuous traction system |
CN103420246A (en) * | 2013-08-23 | 2013-12-04 | 宁波赛富特电梯部件有限公司 | Rope clamp |
CN104843587A (en) * | 2014-02-17 | 2015-08-19 | 刘德民 | Crane movable pulley apparatus with rope breaking protection and anti-falling mechanism |
WO2016058255A1 (en) * | 2014-10-14 | 2016-04-21 | 邹家春 | Automatic reset steel wire rope brake |
CN204251118U (en) * | 2014-11-03 | 2015-04-08 | 河北东方富达机械有限公司 | Wire holder |
CN210363805U (en) * | 2019-07-04 | 2020-04-21 | 凯盛重工有限公司 | Rope clamping device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110904848A (en) * | 2019-12-11 | 2020-03-24 | 刘士英 | Steel strand wires prestressing force tensioning equipment of bridge construction usefulness |
CN110904848B (en) * | 2019-12-11 | 2021-11-26 | 刘士英 | Steel strand wires prestressing force tensioning equipment of bridge construction usefulness |
CN113264069A (en) * | 2021-05-18 | 2021-08-17 | 凯盛重工有限公司 | Rope clamping small tail car for endless rope continuous traction vehicle and use method thereof |
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CN110254444B (en) | 2024-03-22 |
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