CN110254444B - Rope clamping device - Google Patents
Rope clamping device Download PDFInfo
- Publication number
- CN110254444B CN110254444B CN201910597913.9A CN201910597913A CN110254444B CN 110254444 B CN110254444 B CN 110254444B CN 201910597913 A CN201910597913 A CN 201910597913A CN 110254444 B CN110254444 B CN 110254444B
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- Prior art keywords
- rope clamping
- clamping seat
- rope
- guide
- circular arc
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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 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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 invention provides a rope clamping device which comprises a first pin shaft, a connecting arm, a guide device, a second pin shaft and a rope clamping seat assembly, wherein the lower end of the connecting arm penetrates through an upper end mounting plate of the guide device and is clamped at the front end and the rear end of a guide block, a through hole is formed in the upper end of the connecting arm, the first pin shaft is inserted into the through hole, the rope clamping seat assembly is clamped with the guide block at the lower end of the guide device and is arranged between the guide block and the connecting arm, the rope clamping seat assembly, the guide block and the connecting arm are connected through the second pin shaft, the rope clamping mechanism is lifted at two sides, the cambered surface is clamped, the rope clamping friction force is effectively increased, the rope clamping mechanism is not easy to deform, and the device can effectively clamp a steel wire rope.
Description
Technical Field
The invention relates to the technical field of auxiliary devices for mines, in particular to a rope clamping device.
Background
In order to improve the transportation efficiency, the endless rope continuous traction vehicle transportation system is usually used for transporting a plurality of mine cars in a mode that the mine cars form a train unit, each train is connected by a hard connecting rod and a round link chain, the hard connecting rod is easy to fall off when the vehicle turns, the round link chain is connected to be in soft connection, and when the mine car train is pulled by the shuttle car and is changed from an ascending slope to a descending slope, the weight of the mine car and the connection allowance of the round link chain are easy to cause the accident caused by the impact of the train. Currently, the best solution to the above problem is to add an auxiliary tractor at the tail of the train.
The auxiliary tractor mainly comprises a frame, a rope clamping oil cylinder, a rope clamping device, a hydraulic system, a speed measuring assembly and a braking assembly, wherein the rope clamping device plays a critical role in the auxiliary tractor, and whether the rope clamping effect is good or not is directly related to whether the auxiliary tractor can play a role. The invention patent of patent number 201310146673.3 relates to a wire rope clamping device, comprising an upper clamping piece and a lower clamping piece, wherein the lower clamping piece is provided with a lifting block and a connecting handle, the connecting handle is thin and fixed on one side of the lifting block, when the wire rope is clamped, the clamping force is large and the wire rope is easy to deform, if the clamping piece is thickened, the normal operation of an auxiliary tractor can be influenced due to the limitation of the operation space of the system, and then the operation of the whole system is influenced.
Disclosure of Invention
The technical problem solved by the invention is to provide a rope clamping device for solving the problems in the background technology.
The technical problems solved by the invention are realized by adopting the following technical scheme:
the rope clamping device comprises a first pin shaft, a connecting arm, a guiding device, a second pin shaft and a rope clamping seat component, wherein the lower end of the connecting arm penetrates through an upper end mounting plate of the guiding device and is clamped at the front end and the rear end of a guiding block, a through hole is formed in the upper end of the connecting arm, the first pin shaft is inserted into the through hole, the rope clamping seat component is clamped with the guiding block at the lower end of the guiding device and is arranged between the guiding block and the connecting arm, and the rope clamping seat component, the guiding block and the connecting arm are connected through the second pin shaft;
the first pin shaft is used for connecting the two connecting arms, the connecting arms are used for being connected with the rope clamping seat assembly and driving the rope clamping seat assembly to move up and down, the wire guide device is used for limiting the movement track of the connecting arms and the rope clamping seat assembly and clamping the steel wire rope, and the rope clamping seat assembly is used for being connected with the connecting arms and clamping the steel wire rope by matching with the guide device;
the connecting arms comprise connecting plates and steel plates, two sides of the two connecting plates are fixedly connected through the steel plates, through holes are formed in two sides of the connecting plates in the vertical direction, and the through holes are formed in two sides of the connecting positions of the connecting plates and the steel plates;
the guide device comprises a mounting plate and guide blocks, wherein the guide blocks are fixedly arranged at the lower end of the mounting plate, rectangular grooves are formed in the upper end of the mounting plate, three connecting holes for connecting with a tractor are respectively formed in the upper side and the lower side of the top of the mounting plate, the guide blocks are fixed at the middle position of the lower end of the mounting plate, waist-shaped holes are formed in the middle of the guide blocks, wedge blocks are arranged on two sides of the guide blocks, upper guide grooves are formed in the bottoms of the guide blocks, and an upper arc-shaped surface is formed in the top of each guide groove;
the rope clamping seat assembly comprises a rope clamping seat connecting plate and a rope clamping seat, a rope clamping seat through hole is formed in the rope clamping seat connecting plate, a rope clamping seat is fixedly arranged at the lower end of the rope clamping seat connecting plate, two middle circular arc profile chamfers are arranged at the bottom of the rope clamping seat connecting plate, the inner side of each middle circular arc profile chamfer is a middle circular arc profile, a lower circular arc groove is formed in the middle of the top of the rope clamping seat, lower circular arc profile chamfers are arranged on two sides of the lower circular arc groove, and the outer side of each lower circular arc profile chamfer is a lower circular arc profile.
Further, the rope clamping seat is detachably connected with the rope clamping seat connecting plate, the bottom of the rope clamping seat is provided with a through hole, and the through hole at the bottom of the rope clamping seat can be fixedly connected with the rope clamping connecting plate through a screw and a rivet.
Further, the shape of the upper arc-shaped surface at the upper end of the guide groove corresponds to the shape of the lower arc groove, and the shape of the middle arc-shaped surface corresponds to the shape of the chamfer of the lower arc-shaped surface.
Further, the connecting arms are connected through pin shafts, and cotter pins are arranged in the pin shafts.
Further, the upper end of the connecting arm is connected with an outside rope clamping cylinder through a pin shaft connected with the connecting arm, and the rope clamping cylinder is used for controlling the connecting arm to move up and down.
Further, the guide groove penetrates through the guide block and the bottom of the wedge block.
Further, when the connecting plate is connected with the rope clamping seat, a part of the inner side is not attached to the middle circular arc molded surface.
Compared with the prior art, the invention has the beneficial effects that:
1. the rope clamping mechanism is lifted at two sides and clamped by the cambered surfaces, so that the rope clamping friction is effectively increased, and the rope clamping mechanism is not easy to deform;
2. the machining precision requirements of all parts are not high, and the machining is convenient;
3. the whole part is connected with the host machine through bolts, so that the installation and the replacement are convenient;
4. the pin shaft of the rope clamping mechanism is connected, and the rope clamping and the rope disassembling are simple, convenient, safe and reliable;
5. the arc surface rope clamping groove accords with the structural shape of the steel wire rope, and the steel wire rope is not damaged during clamping;
drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a side view of the connecting arm of the present invention;
FIG. 4 is a front view of a connecting arm of the present invention;
FIG. 5 is a front view of the guide of the present invention;
FIG. 6 is a side cross-sectional view of the guide of the present invention;
FIG. 7 is a top view of the mounting plate of the present invention;
FIG. 8 is a front view of a guide block of the present invention;
FIG. 9 is a bottom view of the guide block of the present invention;
FIG. 10 is a side view of a rope holder assembly of the present invention;
FIG. 11 is a front view of a rope holder assembly of the present invention;
FIG. 12 is a front view of a rope holder connection plate of the present invention;
FIG. 13 is a front view of a rope holder of the present invention;
fig. 14 is a side view of the rope holder of the present invention.
In the figure: 1 a first pin shaft, 3 a connecting arm, 31 a connecting plate, 32 steel plates, 4 guide devices, 41 a mounting plate, 411, connecting holes, 412 rectangular grooves, 42 guide blocks, 421 waist-shaped holes, 423 guide grooves, 424 upper arc profiles, 8 a second pin shaft, 10 rope clamping seat components, 101 rope clamping seat connecting plates, 1012 middle arc profile chamfers, 1013 middle arc profiles, 102 rope clamping seats, 1021 lower arc profiles, 1022 lower arc profile chamfers and 1023 lower arc grooves.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the implementation, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in figures 1 to 14 of the drawings,
example 1
The rope clamping device comprises a first pin shaft 1, a connecting arm 3, a guide device 4, a second pin shaft 8 and a rope clamping seat assembly 10, wherein the lower end of the connecting arm 3 passes through an upper end mounting plate 41 of the guide device 4 and is clamped at the front end and the rear end of a guide block 42, a through hole is formed in the upper end of the connecting arm 3, the first pin shaft 1 is inserted into the through hole, the rope clamping seat assembly 10 is clamped with the guide block 42 at the lower end of the guide device 4 and is arranged between the guide block 42 and the connecting arm 3, and the rope clamping seat assembly 10, the guide block 42 and the connecting arm 3 are connected through the second pin shaft 8;
the first pin shaft 1 is used for connecting two connecting arms 3, the connecting arms 3 are used for being connected with the rope clamping seat assembly 10 and driving the rope clamping seat assembly 10 to move up and down, the wire guide device 4 is used for limiting the movement track of the connecting arms 3 and the rope clamping seat assembly 10 and clamping a steel wire rope, and the rope clamping seat assembly 10 is used for being connected with the connecting arms 3 and clamping the steel wire rope by matching with the guide device 4;
the connecting arm 3 comprises a connecting plate 31 and a steel plate 32, two sides of the two connecting plates 31 are fixedly connected through the steel plate 32, through holes are formed in two sides of the connecting plate 31 in the vertical direction, and the through holes are formed in two sides of the connecting position of the connecting plate 31 and the steel plate 32;
the guiding device 4 comprises a mounting plate 41 and a guiding block 42, wherein the guiding block 42 is fixedly arranged at the lower end of the mounting plate 41, a rectangular groove 411 is formed in the upper end of the mounting plate 41, three connecting holes 411 for connecting with a tractor are respectively formed in the upper side and the lower side of the top of the mounting plate 41, the guiding block 42 is fixed in the middle of the lower end of the mounting plate 41, a waist-shaped hole 421 is formed in the middle of the guiding block 42, wedge blocks are arranged on two sides of the guiding block 42, an upper guiding groove 424 is formed in the bottom of the guiding block 42, and an upper arc-shaped surface 424 is formed in the top of the guiding groove 423;
the rope clamping seat assembly 10 comprises a rope clamping seat connecting plate 101 and a rope clamping seat 102, a rope clamping seat through hole 1011 is formed in the rope clamping seat connecting plate 101, the rope clamping seat 102 is fixedly arranged at the lower end of the rope clamping seat connecting plate 101, two middle circular arc profile chamfers 1012 are arranged at the bottom of the rope clamping seat connecting plate 101, middle circular arc profiles 1013 are arranged at the inner sides of the middle circular arc profile chamfers 1012, a lower circular arc groove 1023 is formed in the middle of the top of the rope clamping seat 102, lower circular arc profile chamfers 1022 are arranged at two sides of the lower circular arc groove 1023, and lower circular arc profiles 1021 are arranged at the outer sides of the lower circular arc profile chamfers 1022.
Example 2
Unlike embodiment 1, the rope clamping seat 102 is detachably connected with the rope clamping seat connecting plate 101, a through hole is formed in the bottom of the rope clamping seat 102, the through hole in the bottom of the rope clamping seat 102 can be fixedly connected with the rope clamping connecting plate 101 through a screw and a rivet, and the rope clamping seat 102 and the rope clamping seat connecting plate 101 can be fixedly connected through welding.
Example 3
The present embodiment is different from embodiment 1 in that the shape of the upper circular arc profile 424 of the guide groove 423 corresponds to the shape of the lower circular arc groove 1023, and the shape of the middle circular arc profile 1013 corresponds to the shape of the lower circular arc profile chamfer 1022.
Example 4
The difference between this embodiment and embodiment 1 is that the connecting arm 3 is connected by a pin 1, and a cotter pin is installed in the pin 1.
Example 5
The embodiment is different from the embodiment 1 in that the upper end of the connecting arm 3 is connected with an outer rope clamping cylinder through a pin shaft 1 connected with the connecting arm, and the rope clamping cylinder is used for controlling the connecting arm 3 to move up and down.
Example 6
This embodiment differs from embodiment 1 in that the guide groove 423 passes through the guide block 42 and the bottom of the wedge.
Example 7
Unlike embodiment 1, when the connection plate 101 is connected to the rope holder 102, a part of the inner side 1021 does not contact with the middle circular arc surface 1013.
The connecting arm 3, the connecting plate 101 and the guide block 42 are connected together in sequence through the second pin shaft 6, and the second pin shaft 6 passes through the connecting plate 101 and passes through the through hole 1011, the waist-shaped hole 421 of the guide block 42 and the through hole of the connecting plate 31 so as to not fixedly connect the connecting arm 3, the guide device 4 and the rope clamping seat assembly 10 together;
the middle arc profile chamfer 1012 of the connecting plate 101 corresponds to the lower arc profile chamfer 1022, and the middle arc profile 1013 corresponds to the lower arc profile 1021 of the rope clamping seat 102, so as to more firmly connect the connecting plate 101 and the rope clamping seat 102 together;
the lower arc-shaped surface 1023 of the rope clamping seat 102 also corresponds to the upper guide groove 423 of the guide block 42, and the steel wire rope passes through the circular groove formed by the lower arc-shaped surface 1023 of the rope clamping seat 102 and the upper guide groove 423 of the guide block 42, so that the friction force is large.
When the rope clamping device does not clamp ropes and the rope clamping oil cylinder reaches the maximum stroke, the connecting arm 3 drives the rope clamping seat assembly 10 to move upwards along the direction of the guide groove 423 of the guide block 42, at the moment, the inner side of the lower arc profile 1021 of the upper arc profile 424 of the guide block 42 and the inner side of the lower arc profile 1021 of the rope clamping seat 102 are not attached to the attaching part of the middle arc profile 1013, the two rope grooves 423 and 1023 are arc grooves with the radius larger than that of the steel wire ropes, but the brown heights are smaller than that of the steel wire ropes, so that the steel wire ropes can be clamped.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a press from both sides rope device, includes first round pin axle, linking arm, guider, second round pin axle and presss from both sides rope seat subassembly, its characterized in that: the lower end of the connecting arm passes through the mounting plate at the upper end of the guide device and is clamped at the front end and the rear end of the guide block, the upper end of the connecting arm is provided with a through hole, a first pin shaft is inserted in the through hole, the rope clamping seat component is clamped with the guide block at the lower end of the guide device and is arranged between the guide block and the connecting arm, and the rope clamping seat component, the guide block and the connecting arm are connected through a second pin shaft;
the first pin shaft is used for connecting two connecting arms, the connecting arms are used for being connected with the rope clamping seat assembly and driving the rope clamping seat assembly to move up and down, the wire guide device is used for limiting the movement track of the connecting arms and the rope clamping seat assembly and clamping the steel wire rope, and the rope clamping seat assembly is used for being connected with the connecting arms and clamping the steel wire rope by matching with the guide device
The connecting arms comprise connecting plates and steel plates, two sides of the two connecting plates are fixedly connected through the steel plates, through holes are formed in two sides of the connecting plates in the vertical direction, and the through holes are formed in two sides of the connecting positions of the connecting plates and the steel plates;
the guide device comprises a mounting plate and guide blocks, wherein the guide blocks are fixedly arranged at the lower end of the mounting plate, rectangular grooves are formed in the upper end of the mounting plate, three connecting holes for connecting with a tractor are respectively formed in the upper side and the lower side of the top of the mounting plate, the guide blocks are fixed at the middle position of the lower end of the mounting plate, waist-shaped holes are formed in the middle of the guide blocks, wedge blocks are arranged on two sides of the guide blocks, upper guide grooves are formed in the bottoms of the guide blocks, and an upper arc-shaped surface is formed in the top of each guide groove;
the rope clamping seat assembly comprises a rope clamping seat connecting plate and a rope clamping seat, a rope clamping seat through hole is formed in the rope clamping seat connecting plate, a rope clamping seat is fixedly arranged at the lower end of the rope clamping seat connecting plate, two middle circular arc profile chamfers are arranged at the bottom of the rope clamping seat connecting plate, the inner sides of the middle circular arc profile chamfers are middle circular arc profiles, a lower circular arc groove is formed in the middle of the top of the rope clamping seat, lower circular arc profile chamfers are arranged on two sides of the lower circular arc groove, and the outer sides of the lower circular arc profile chamfers are lower circular arc profiles;
the rope clamping seat is detachably connected with the rope clamping seat connecting plate, the bottom of the rope clamping seat is provided with a through hole, and the through hole at the bottom of the rope clamping seat can be fixedly connected with the rope clamping connecting plate through a screw and a rivet;
the shape of the upper arc-shaped surface at the upper end of the guide groove corresponds to that of the lower arc groove, and the shape of the middle arc-shaped surface corresponds to that of the chamfer of the lower arc-shaped surface;
when the connecting plate is connected with the rope clamping seat, a part of the inner side is not attached to the middle circular arc molded surface.
2. A rope clip as defined in claim 1, wherein: the rope clamping seat and the rope clamping seat connecting plate are welded together.
3. A rope clip as defined in claim 1, wherein: the connecting arms are connected through pin shafts, and cotter pins are arranged in the pin shafts.
4. A rope clip as defined in claim 1, wherein: the upper end of the connecting arm is connected with an outside rope clamping oil cylinder through a pin shaft connected with the connecting arm, and the rope clamping oil cylinder is used for controlling the connecting arm to move up and down.
5. A rope clip as defined in claim 1, wherein: the guide groove penetrates through the guide block and the bottom of the wedge block.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110254444A CN110254444A (en) | 2019-09-20 |
| CN110254444B true CN110254444B (en) | 2024-03-22 |
Family
ID=67924334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910597913.9A Active CN110254444B (en) | 2019-07-04 | 2019-07-04 | Rope clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110254444B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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 |
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| Publication number | Publication date |
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| CN110254444A (en) | 2019-09-20 |
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