CN108030637B - Flexible rope guiding stabilizer - Google Patents
Flexible rope guiding stabilizer Download PDFInfo
- Publication number
- CN108030637B CN108030637B CN201711373119.3A CN201711373119A CN108030637B CN 108030637 B CN108030637 B CN 108030637B CN 201711373119 A CN201711373119 A CN 201711373119A CN 108030637 B CN108030637 B CN 108030637B
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- ball bearings
- flexible rope
- set screw
- type universal
- screw type
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- 239000003381 stabilizer Substances 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 239000000725 suspension Substances 0.000 abstract description 3
- 239000013585 weight reducing agent Substances 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0218—Drawing-out devices
- A61H1/0229—Drawing-out devices by reducing gravity forces normally applied to the body, e.g. by lifting or hanging the body or part of it
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a flexible rope guide stabilizer, which relates to the field of suspension weight reduction systems of rehabilitation medical equipment, and comprises at least one group of guide mechanisms, wherein the group of guide mechanisms comprises two pin shafts, two deep groove ball bearings and two set screw type universal ball bearings; the two set screw type universal ball bearings are correspondingly arranged on the spherical surfaces of the two set screw type universal ball bearings, the two pin shafts are respectively arranged on two sides of the two set screw type universal ball bearings, the two pin shafts are parallel to the length direction of the screw of the set screw type universal ball bearing, the two deep groove ball bearings are respectively connected to the two pin shafts in a rotating mode, and a guide hole is formed between the two deep groove ball bearings and the two set screw type universal ball bearings. The invention has the advantages that: the cross section of the flexible rope is limited in four directions, spacing between the four directions and the pretightening contact force are adjustable, and the flexible rope guiding device is suitable for guiding flexible ropes with different cross sections and diameters stably.
Description
Technical Field
The invention relates to the field of suspension weight reduction systems of rehabilitation medical equipment, in particular to a flexible rope guide stabilizer.
Background
The flexible ropes such as nylon ropes and steel wire ropes are widely applied to the fields of rehabilitation training suspension weight reduction systems, mountain climbing exercises, body-building equipment, lifting equipment and the like, and the phenomenon of pulley separation, deviation from a preset track and the like caused by the lack of necessary guiding and stabilizing devices in flexible rope wiring can cause accidents, seriously threaten personal safety and bring property loss. The existing flexible rope guiding device mainly adopts the following modes: 1. the guiding is stable by means of the pulley grooves. The movable fixed pulley combination is commonly used in lifting and body-building equipment, and the related structures or devices for guiding and stabilizing and reversing the flexible rope by virtue of the pulleys are numerous, but the guiding and stabilizing of the rope are limited by the fact that the rope is in a tightening state, the pulley groove has special requirements on the rope diameter, and when the rope is in a state from tightening to suddenly loosening or the rope diameter is not matched with the groove section, the rope is easy to fall off the pulleys, so that potential safety hazards are caused. 2. The guide plate is provided with a plurality of holes, so that the rope can pass through the holes to limit the deflection of the rope, and a certain guide effect is achieved. The holes on the guide plates are mainly used for emergency protection, a user hopes that the section of the rope is not contacted with the holes, and once the direction of the rope deviates, friction occurs between the rope and the guide holes, if the user does not pay attention to the situation for a long time, the rope can be worn to cause breakage, and safety accidents are caused. 3. The guide is stable by means of a cylindrical guide sleeve. The cylindrical barrel is divided into left and right halves, polytetrafluoroethylene, polyurethane, rubber and other materials are adopted to contact with the cylindrical surface of the rope, the use is limited by the occasion that the diameter of the rope is small and the use frequency of the rope is low, and long-time high-frequency use can lead to the enhancement of sliding friction between the rope and the cylindrical barrel, so that heat is generated, and the physical property of the rope is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing the flexible rope guiding stabilizer which is suitable for guiding flexible ropes with different sections and diameters and has less damage to the flexible ropes.
The invention solves the technical problems through the following technical scheme: a flexible rope guiding stabilizer comprises at least one group of guiding mechanisms, wherein the group of guiding mechanisms comprises two pin shafts (3), two deep groove ball bearings (4) and two set screw type universal ball bearings (7); the spherical surfaces of the two set screw type universal ball bearings (7) are correspondingly arranged, the two pin shafts (3) are respectively arranged on two sides of the two set screw type universal ball bearings (7), the two pin shafts (3) are parallel to the length direction of the screw of the set screw type universal ball bearings (7), the two deep groove ball bearings (4) are respectively connected to the two pin shafts (3) in a rotating mode, and guide holes are formed between the two deep groove ball bearings (4) and the two set screw type universal ball bearings (7). The flexible rope passes through the guide hole, the cylindrical surfaces of the shells of the two deep groove ball bearings contact the cross section of the flexible rope, the spherical surfaces of the two set screw type universal ball bearings contact the cross section of the flexible rope, and the four bearings are limited in four directions respectively, so that the flexible rope with different cross sections and diameters is stably guided; the limit in the four directions is rolling friction, so that the damage to the flexible rope is small; the distance between the two set screw type universal ball bearings can be adjusted by adjusting the screw structure of the set screw type universal ball bearings.
As an optimized technical scheme, the flexible rope guide stabilizer further comprises a mounting base (1), wherein the mounting base (1) comprises a bottom plate and mounting plates, and the two mounting plates are correspondingly fixed on the bottom plate; the middle of the two mounting plates is provided with bearing mounting holes respectively, the bearing mounting holes are internally provided with internal threads, and two set screw type universal ball bearings (7) are connected into the two bearing mounting holes respectively through self screw structures; two sides of each bearing mounting hole are respectively provided with a pin shaft mounting hole, and two ends of each pin shaft (3) are respectively connected in two pin shaft mounting holes on corresponding sides of the two mounting plates; and a through hole which is adapted to the cross section size of the flexible rope is formed in the position of the bottom plate corresponding to the guide hole.
As an optimized technical scheme, the main body of the pin shaft (3) is a cylinder, and cuboid connecting blocks are respectively fixed at two ends of the main body; the pin shaft mounting hole comprises a square hole section close to the bearing mounting hole side and a round hole section far away from the bearing mounting hole side, and the square hole section and the round hole section are connected into a whole. The round hole section facilitates insertion and installation of the pin shaft main body, and the square hole section facilitates matching and positioning of the pin shaft through the cuboid connecting blocks at the two ends.
As the optimized technical scheme, one side, close to the bearing mounting hole, in the pin shaft mounting hole is provided with a compression spring (6), one side, far away from the bearing mounting hole, is provided with a threaded hole, a pre-tightening screw (2) is connected in the threaded hole, and the ends of the compression spring (6) and the pre-tightening screw (2) are respectively propped against two sides of the end part of the pin shaft (3). The adjustment of the center distance of the two pin shafts can be realized by adjusting the pre-tightening screw, so that the adjustment of the distance between the two deep groove ball bearings is realized; the pre-tightening screw is used for pressing the compression spring by propping against the end part of the pin shaft, and the pre-tightening force of the compression spring can compensate the dimensional error of the section of the flexible rope, so that the rolling friction between the flexible rope and the outer cylindrical surface of the deep groove ball bearing is always kept.
As an optimized technical scheme, a cylindrical spring mounting groove is formed in one side, close to the bearing mounting hole, of the pin shaft mounting hole, and the compression spring (6) is mounted in the spring mounting groove. The spring mounting groove can guide and position the compression spring.
As an optimized technical scheme, the bottom plate is provided with a plurality of connecting holes. The base is convenient to install and is connected with other structures.
As an optimized technical scheme, the pin shafts (3) on two sides of each deep groove ball bearing (4) are respectively connected with bearing retainer rings (5). And the deep groove ball bearing is limited through the bearing retainer ring, so that the outer cylindrical surface of the deep groove ball bearing is ensured to be in line contact with the section of the flexible rope.
As an optimized technical scheme, the flexible rope guide stabilizer comprises a plurality of groups of guide mechanisms, and guide holes of the guide mechanisms are arranged along the wiring track of the flexible rope. When the flexible rope is required to be guided stably or commutated stably for a certain distance in special occasions, a plurality of groups of guiding mechanisms are arranged to restrict the wiring track of the flexible rope.
The invention has the advantages that: the sections of the flexible ropes are limited in four directions, spacing between the four directions and the pretightening contact force are adjustable, and the flexible rope guiding device is suitable for guiding flexible ropes with different sections and diameters stably; the flexible rope and the limit positions in four directions are rolling friction, so that the damage to the rope is small; simple and compact structure, low cost and convenient installation and disassembly.
Drawings
Fig. 1 is an isometric schematic view of a flexible rope guide stabilizer of the present invention.
Fig. 2 is a schematic front view of the flexible rope guide stabilizer of the present invention.
Figure 3 is a schematic A-A cross-sectional view of the flexible rope guide stabilizer of the present invention.
Detailed Description
As shown in fig. 1-3, a flexible rope guide stabilizer comprises a mounting base 1, a pre-tightening screw 2, a pin shaft 3, a deep groove ball bearing 4, a bearing retainer ring 5, a compression spring 6 and a set screw type universal ball bearing 7.
The set screw type universal ball bearing 7 is a common standard component, and has the structure that the head of the set screw is provided with a ball groove and embedded with a big steel ball, a plurality of small steel ball auxiliary balls are arranged between the big steel ball and the set screw for supporting rolling, and a baffle cover is arranged for preventing the big steel ball from falling off, so that the universal ball bearing can realize rolling contact with curved surfaces such as a plane, a cylindrical surface, a spherical surface and the like.
The guiding mechanism comprises two pin shafts 3, two deep groove ball bearings 4 and two set screw type universal ball bearings 7; the two pin shafts 3 are respectively arranged at two sides of the two set screw type universal ball bearings 7, the two pin shafts 3 are parallel to the length direction of the screws of the set screw type universal ball bearings 7, the two deep groove ball bearings 4 are respectively connected to the two pin shafts 3 in a rotating way, and the pin shafts 3 at two sides of each deep groove ball bearing 4 are respectively connected with a bearing retainer ring 5; and a guide hole is formed between the two deep groove ball bearings 4 and the two set screw type universal ball bearings 7.
When the flexible rope is required to be guided stably at a certain distance or the reversing is stable in special occasions, a plurality of groups of guide mechanisms are arranged, and the guide holes of the guide mechanisms of each group are arranged along the wiring track of the flexible rope.
The mounting base 1 is of a symmetrical structure along a central line, the mounting base 1 comprises a bottom plate and mounting plates, and the two mounting plates are correspondingly fixed on the bottom plate; the middle of the two mounting plates is provided with bearing mounting holes respectively, internal threads are arranged in the bearing mounting holes, and the two set screw type universal ball bearings 7 are connected in the two bearing mounting holes respectively through self screw structures; two sides of each bearing mounting hole are respectively provided with a pin shaft mounting hole, and two ends of each pin shaft 3 are respectively connected in two pin shaft mounting holes on corresponding sides of the two mounting plates; the bottom plate is provided with a through hole which is suitable for the section size of the flexible rope at the position corresponding to the guide hole, and is also provided with a plurality of connecting holes.
The main body of the pin shaft 3 is a cylinder, and cuboid connecting blocks are respectively fixed at two ends of the main body; the pin shaft mounting hole comprises a square hole section close to the bearing mounting hole side and a round hole section far away from the bearing mounting hole side, wherein the square hole section and the round hole section are connected into a whole, when the pin shaft 3 is mounted, the main body of the pin shaft is firstly penetrated through the round hole section, and then cuboid connecting blocks at two ends of the pin shaft are respectively matched and positioned with the square hole sections of the two pin shaft mounting holes.
A cylindrical spring mounting groove is formed in one side, close to the bearing mounting hole, of the square hole section of the pin shaft mounting hole, and a compression spring 6 is arranged in the spring mounting groove; threaded holes are formed in one side, away from the bearing mounting hole, of the round hole section, pretension screws 2 are connected in the threaded holes, and the ends of the compression springs 6 and the pretension screws 2 are respectively propped against two sides of a cuboid connecting block at the end of the pin shaft 3.
The flexible rope 8 is installed, pre-tightened and disassembled: the flexible rope 8 passes through the guide hole to realize installation; the pre-tightening screw 2 and the set screw type universal ball bearing 7 are adjusted, the flexible rope 8 is pulled by hand until the flexible rope 8 pulls the bearings in four directions to roll and rotate, and the flexible rope 8 passes through the guide hole in the middle, so that the pre-tightening function is realized; and loosening the pre-tightening screw 2 and the set screw type universal ball bearing 7, unloading the contact pre-tightening force, and realizing the disassembly.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (6)
1. A flexible rope guide stabilizer, characterized by: the device comprises at least one group of guide mechanisms, wherein the group of guide mechanisms comprises two pin shafts (3), two deep groove ball bearings (4) and two set screw type universal ball bearings (7); the two set screw type universal ball bearings (7) are correspondingly arranged on the spherical surfaces, the two pin shafts (3) are respectively arranged on two sides of the two set screw type universal ball bearings (7), the two pin shafts (3) are parallel to the length direction of the screw of the set screw type universal ball bearings (7), the two deep groove ball bearings (4) are respectively connected to the two pin shafts (3) in a rotating mode, and guide holes are formed between the two deep groove ball bearings (4) and the two set screw type universal ball bearings (7);
the flexible rope guide stabilizer also comprises a mounting base (1), wherein the mounting base (1) comprises a bottom plate and mounting plates, and the two mounting plates are correspondingly fixed on the bottom plate; the middle of the two mounting plates is provided with bearing mounting holes respectively, the bearing mounting holes are internally provided with internal threads, and two set screw type universal ball bearings (7) are connected into the two bearing mounting holes respectively through self screw structures; two sides of each bearing mounting hole are respectively provided with a pin shaft mounting hole, and two ends of each pin shaft (3) are respectively connected in two pin shaft mounting holes on corresponding sides of the two mounting plates; a through hole which is suitable for the cross section size of the flexible rope is formed in the position of the bottom plate corresponding to the guide hole;
one side, close to the bearing mounting hole, in the pin shaft mounting hole is provided with a compression spring (6), one side, far away from the bearing mounting hole, of the pin shaft mounting hole is provided with a threaded hole, a pre-tightening screw (2) is connected in the threaded hole, and the ends of the compression spring (6) and the pre-tightening screw (2) are respectively propped against two sides of the end part of the pin shaft (3).
2. The flexible rope guide stabilizer of claim 1, wherein: the main body of the pin shaft (3) is a cylinder, and cuboid connecting blocks are respectively fixed at two ends of the main body; the pin shaft mounting hole comprises a square hole section close to the bearing mounting hole side and a round hole section far away from the bearing mounting hole side, and the square hole section and the round hole section are connected into a whole.
3. The flexible rope guide stabilizer of claim 1, wherein: a cylindrical spring mounting groove is formed in one side, close to the bearing mounting hole, of the pin shaft mounting hole, and the compression spring (6) is mounted in the spring mounting groove.
4. The flexible rope guide stabilizer of claim 1, wherein: the bottom plate is provided with a plurality of connecting holes.
5. The flexible rope guide stabilizer of claim 1, wherein: bearing retainer rings (5) are respectively connected to the pin shafts (3) on two sides of each deep groove ball bearing (4).
6. The flexible rope guide stabilizer of claim 1, wherein: the flexible rope guide stabilizer comprises a plurality of groups of guide mechanisms, and guide holes of the guide mechanisms are arranged along the wiring track of the flexible rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711373119.3A CN108030637B (en) | 2017-12-19 | 2017-12-19 | Flexible rope guiding stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711373119.3A CN108030637B (en) | 2017-12-19 | 2017-12-19 | Flexible rope guiding stabilizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108030637A CN108030637A (en) | 2018-05-15 |
| CN108030637B true CN108030637B (en) | 2023-12-19 |
Family
ID=62099850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711373119.3A Active CN108030637B (en) | 2017-12-19 | 2017-12-19 | Flexible rope guiding stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108030637B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH458668A (en) * | 1967-10-11 | 1968-06-30 | Kyburz Heinrich | Cable guide device on drum cable winches |
| CN205740129U (en) * | 2016-05-17 | 2016-11-30 | 宝鸡石油机械有限责任公司 | A kind of 360 degree of direction wire line guides |
| CN206239685U (en) * | 2016-08-18 | 2017-06-13 | 广州龙之杰科技有限公司 | A kind of day rail suspends walking loss of weight holding equipment in midair |
| CN206266148U (en) * | 2016-12-13 | 2017-06-20 | 山西平阳重工机械有限责任公司 | Light hoisting gear tool is with antiwind steel wire rope strand oscillator |
| CN107161896A (en) * | 2017-04-06 | 2017-09-15 | 武汉船用机械有限责任公司 | A kind of rope press device |
| CN107161894A (en) * | 2017-07-07 | 2017-09-15 | 青岛海西重机有限责任公司 | A kind of rope stretching closure assembly for harbour machinery side rope outlet |
| CN208823340U (en) * | 2017-12-19 | 2019-05-07 | 哈工大机器人（合肥）国际创新研究院 | A kind of flexible strand lead stabilizer |
-
2017
- 2017-12-19 CN CN201711373119.3A patent/CN108030637B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH458668A (en) * | 1967-10-11 | 1968-06-30 | Kyburz Heinrich | Cable guide device on drum cable winches |
| CN205740129U (en) * | 2016-05-17 | 2016-11-30 | 宝鸡石油机械有限责任公司 | A kind of 360 degree of direction wire line guides |
| CN206239685U (en) * | 2016-08-18 | 2017-06-13 | 广州龙之杰科技有限公司 | A kind of day rail suspends walking loss of weight holding equipment in midair |
| CN206266148U (en) * | 2016-12-13 | 2017-06-20 | 山西平阳重工机械有限责任公司 | Light hoisting gear tool is with antiwind steel wire rope strand oscillator |
| CN107161896A (en) * | 2017-04-06 | 2017-09-15 | 武汉船用机械有限责任公司 | A kind of rope press device |
| CN107161894A (en) * | 2017-07-07 | 2017-09-15 | 青岛海西重机有限责任公司 | A kind of rope stretching closure assembly for harbour machinery side rope outlet |
| CN208823340U (en) * | 2017-12-19 | 2019-05-07 | 哈工大机器人（合肥）国际创新研究院 | A kind of flexible strand lead stabilizer |
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| Publication number | Publication date |
|---|---|
| CN108030637A (en) | 2018-05-15 |
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Effective date of registration: 20200910 Address after: 230000 4th floor, building 3, block C, intelligent equipment science and Technology Park, 3963 Susong Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Hefei Harbin gonglixun Intelligent Technology Co.,Ltd. Address before: 236000 Anhui city of Hefei Province Economic and Technological Development Zone Cuiwei Road No. 6 Haiheng building room 6012 Applicant before: HRG INTERNATIONAL INSTITUTE FOR RESEARCH & INNOVATION |
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