CN108916264B - Torque limiter used for building and based on magnet control steel ball driving - Google Patents
Torque limiter used for building and based on magnet control steel ball driving Download PDFInfo
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- CN108916264B CN108916264B CN201811074075.9A CN201811074075A CN108916264B CN 108916264 B CN108916264 B CN 108916264B CN 201811074075 A CN201811074075 A CN 201811074075A CN 108916264 B CN108916264 B CN 108916264B
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- driving
- block
- adjusting
- round hole
- steel ball
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/20—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
- F16D2043/145—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members the centrifugal masses being pivoting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
- Transmission Devices (AREA)
Abstract
The invention belongs to the technical field of torque limiters, and particularly relates to a torque limiter used for buildings and based on magnet control steel ball driving, which comprises an output sleeve, an output shell, a fixing ring, an adjusting mechanism, an input shaft, a vane mechanism, driving steel balls, an adjusting hole and an accommodating cavity, wherein the 6 vane mechanisms are uniformly arranged on the outer circular surface of the input shaft in the circumferential direction and have the functions of driving the driving steel balls in the output shell to move on one hand, so that the driving steel balls can drive the output shell to move, and increasing the number of the driving steel balls on the other hand; the inner circle surface of the fixing ring is arranged on the outer circle surface of the input shaft, so that the output shell is convenient to install; the output shell is provided with an accommodating cavity for accommodating the driving steel balls and the blade mechanism; the outer disc of output shell is gone up the even division of circumference and is had 6 regulation holes, and every regulation hole all communicates with each other with holding the chamber, and all opens the effect that has the internal thread on every regulation hole inner disc and be convenient for install the regulating block.
Description
Technical Field
The invention belongs to the technical field of torque limiters, and particularly relates to a torque limiter for buildings, which is driven by steel balls and controlled by magnets.
Background
The torque value of an output sleeve on the torque limiter is continuously increased along with the change of the rotating speed of an input shaft of the existing torque limiter driven by steel balls and used for buildings; when the torque limiter is used, if the input shaft rotates at a high speed, the bearing torque value of the output sleeve is increased; it is possible to cause damage to the output sleeve on the torque limiter; affect normal use of the torque limiter; therefore, the torque limiter for the building based on the magnet control steel ball driving is designed.
The invention designs a torque limiter for buildings, which is driven by steel balls based on magnet control and solves the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a torque limiter for a building, which is driven by a steel ball based on magnet control, and is realized by adopting the following technical scheme.
The utility model provides a torque limiter that steel ball driven building was used based on magnet control which characterized in that: the device comprises an output sleeve, an output shell, a fixing ring, an adjusting mechanism, an input shaft, a blade mechanism, a driving steel ball, an adjusting hole and an accommodating cavity, wherein 6 blade mechanisms are uniformly arranged on the outer circular surface of the input shaft in the circumferential direction; the inner circular surface of the fixed ring is arranged on the outer circular surface of the input shaft; the output shell is provided with a containing cavity; the outer circular surface of the output shell is uniformly provided with 6 adjusting holes in the circumferential direction, each adjusting hole is communicated with the accommodating cavity, and the inner circular surface of each adjusting hole is provided with internal threads; the output shell is nested on the input shaft, one end of the output shell is arranged on the outer circular surface of the fixed ring, and the 6 blade mechanisms are all positioned in the accommodating cavity; a plurality of driving steel balls are arranged in the accommodating cavity; the output sleeve is nested on the input shaft, and one end of the output sleeve is arranged on the end face of the output shell; the 6 adjusting mechanisms are circumferentially and uniformly arranged on the outer circular surface of the output shell and are matched with the corresponding adjusting holes.
The adjusting mechanism comprises an adjusting block, a fixing ring, a first spring, a first centrifugal block, a first fixing column, a T-shaped ring, a driving rod, a first driving block, a second driving groove, a second round hole, a T-shaped ring groove, a first driving groove, a first round hole and a third round hole, wherein the end face of the first fixing column is provided with the third round hole, and the inner circular face, close to the inner end face, of the third round hole is provided with an internal thread; the first fixing column is arranged on the outer circular surface of the output shell, and the third circular hole is matched with the adjusting hole; the outer circular surface of the first centrifugal block is provided with an external thread; a second round hole is formed in the end face of the first centrifugal block; two second driving grooves are symmetrically formed in the inner circular surface of the second circular hole; the end surface of the first centrifugal block provided with the second round hole is provided with a T-shaped annular groove; the first centrifugal block is arranged in the third round hole in a matching way through an external thread formed on the first centrifugal block and an internal thread formed on the third round hole; the two second driving blocks are symmetrically arranged on the outer circular surface at one end of the driving rod; the two first driving blocks are symmetrically arranged on the outer circular surface at the other end of the driving rod; the driving rod is arranged in the third round hole through the fixing ring, and the second driving block is in sliding fit with the second driving groove; the outer circle surface of the adjusting block is provided with an external thread; a first round hole is formed in the end face of the adjusting block; two first driving grooves are symmetrically formed in the inner circular surface of the first circular hole; the adjusting block is arranged in the first fixing column in a matching way through an external thread formed on the adjusting block and an internal thread formed on the adjusting hole; the first driving groove is in sliding fit with the first driving block; the first spring is nested on the driving rod, one end of the first spring is installed on the fixing ring, the other end of the first spring is installed on the first centrifugal block through a T-shaped ring, and the T-shaped ring is matched with the T-shaped ring groove.
The blade mechanism comprises a second spring, a second centrifugal block, a third spring, a limiting block, an adjusting steel ball, a through groove, a second fixed column, a sliding groove, a guide groove, a fourth round hole and a guide block, wherein the end surface of the first fixed column is provided with the fourth round hole; 3 groups of sliding grooves are sequentially formed in the inner circular surface of the first circular hole, and two sliding grooves in each group are symmetrically distributed; the structure and the installation structure in each sliding groove are completely the same, and for one of the sliding grooves, two guide grooves are symmetrically formed on the two side surfaces of the sliding groove; the two guide blocks are symmetrically arranged on the two side surfaces of the limiting block; the limiting block is arranged in the sliding groove through the matching of the guide block and the guide groove; a third spring is arranged in the guide groove, one end of the third spring is arranged on the end surface of the guide groove, and the other end of the third spring is arranged on the guide block; the 3 adjusting steel balls are sequentially arranged in the fourth round hole, and each adjusting steel ball is matched with a corresponding limiting block; two through grooves are symmetrically formed in the outer circular surface of the second centrifugal block and matched with the limiting block; the second centrifugal block is arranged in the fourth round hole; the second spring is located the fourth round hole, and second spring one end is installed on fourth round hole terminal surface, and the other end is installed on the second centrifugal piece.
The second centrifugal block has magnetism; the end of the limiting block, which is in contact with the adjusting steel ball, has magnetism, and the magnetic poles are the same.
As a further improvement of the technology, the fixing ring is welded in the third round hole.
As a further improvement of the technology, the driving rod is installed in the fixed ring through a bearing.
As a further improvement of the technology, the width of the passing groove is larger than or equal to the width of the limiting block.
As a further improvement of the technology, the diameter of the adjusting steel ball is equal to that of the driving steel ball.
As a further improvement of the technology, the magnetic performances on the 6 limit blocks are the same.
Compared with the traditional torque limiter technology, the 6 vane mechanisms are uniformly arranged on the outer circular surface of the input shaft in the circumferential direction and have the functions of driving the driving steel balls in the output shell to move so as to drive the output shell to move on one hand, and increasing the number of the driving steel balls on the other hand; the inner circle surface of the fixing ring is arranged on the outer circle surface of the input shaft, so that the output shell is convenient to install; the output shell is provided with an accommodating cavity for accommodating the driving steel balls and the blade mechanism; the outer circular surface of the output shell is uniformly provided with 6 adjusting holes in the circumferential direction, each adjusting hole is communicated with the accommodating cavity, and the inner circular surface of each adjusting hole is provided with internal threads for facilitating the installation of an adjusting block; the output shell is nested on the input shaft, one end of the output shell is arranged on the outer circular surface of the fixed ring, and the 6 blade mechanisms are positioned in the accommodating cavity to facilitate the installation of the output sleeve; a plurality of driving steel balls are arranged in the accommodating cavity and are used for driving the output shell to move; the output sleeve is nested on the input shaft, and one end of the output sleeve is arranged on the end face of the output shell and is used for transmitting the motion on the driving shell to the output sleeve; the 6 adjusting mechanisms are circumferentially and uniformly arranged on the outer circular surface of the output shell, and the adjusting mechanisms are matched with the corresponding adjusting holes to adjust the contact area of the driving shell and the driving steel balls, so that the aim of adjusting the critical torque value of the torque limiter is fulfilled.
The adjusting mechanism is used for adjusting the contact area of the driving shell and the driving steel ball, so that the aim of adjusting the critical torque value of the torque limiter is fulfilled; a third round hole is formed in the end face of the first fixed column, and an internal thread is formed in the inner circular face, close to the inner end face, of the third round hole, so that the first centrifugal block can slide along the internal thread and can rotate; the first fixing column is arranged on the outer circular surface of the output shell, and the third circular hole is matched with the adjusting hole to facilitate the installation of the first centrifugal block, the adjusting block and the driving rod; the outer circle surface of the first centrifugal block is provided with an external thread which is matched with an internal thread arranged on the third round hole; the end face of the first centrifugal block is provided with a second round hole for accommodating the driving rod conveniently; the inner circular surface of the second round hole is symmetrically provided with two second driving grooves which are used for being matched with second driving blocks arranged on the driving rod, when the first centrifugal block rotates under the action of thread matching, the first centrifugal block can transmit the motion to the driving rod through the matching of the second driving blocks and the second driving grooves; the T-shaped ring groove is formed in the end face, provided with the second round hole, of the first centrifugal block, so that the first spring is convenient to mount and prevented from influencing the rotary motion of the first centrifugal block; the first centrifugal block is arranged in the third round hole in a matching way through an external thread formed on the first centrifugal block and an internal thread formed on the third round hole and has the function of identifying the movement speed of the output shell; the driving rod is arranged in the third round hole through the fixing ring, and the second driving block and the second driving groove are in sliding fit to transfer the motion on the first centrifugal block to the adjusting block; the outer circular surface of the adjusting block is provided with an external thread which is convenient for the adjusting block to rotate and enter the adjusting hole; the end face of the adjusting block is provided with a first round hole for facilitating installation of the driving rod; the inner circular surface of the first round hole is symmetrically provided with two first driving grooves for transmitting the motion of the driving rod to the adjusting block; the adjusting block is arranged in the first fixing column through the matching of external threads formed on the adjusting block and internal threads formed on the adjusting hole and has the function of adjusting the contact area between the inner wall of the output shell and the driving steel ball; the first spring is nested on the driving rod, one end of the first spring is installed on the fixing ring, the other end of the first spring is installed on the first centrifugal block through the T-shaped ring, and the T-shaped ring groove are matched to exert a restoring force on the first centrifugal block.
The blade mechanism has the functions that on one hand, the blade mechanism drives the driving steel balls in the output shell to move so that the driving steel balls can drive the output shell to move, and on the other hand, the blade mechanism increases the number of the driving steel balls so as to achieve the purpose of increasing the critical torque value of the torque limiter; the end face of the first fixed column is provided with a fourth round hole for accommodating an adjusting steel ball and a second centrifugal block conveniently; 3 groups of sliding grooves are sequentially formed in the inner circular surface of the first circular hole, and two sliding grooves in each group are symmetrically distributed to facilitate accommodating of a limiting block; two guide grooves are symmetrically arranged on two side surfaces of the sliding groove and are used for being matched with guide blocks arranged on the limiting blocks, so that the purpose of guiding the limiting blocks to move is achieved; the limiting block is arranged in the sliding groove through the matching of the guide block and the guide groove and has the function of limiting the movement of the adjusting steel ball; a third spring is arranged in the guide groove, one end of the third spring is arranged on the end face of the guide groove, and the other end of the third spring is arranged on the guide block and is used for exerting a restoring force on the limiting block; the 3 adjusting steel balls are sequentially arranged in the fourth round hole, and each adjusting steel ball is matched with a corresponding limiting block to enable the adjusting steel balls to enter the output shell, so that the number of the driving steel balls is increased, and the aim of adjusting the critical torque of the torque limiter is fulfilled; two through grooves are symmetrically formed in the outer circular surface of the second centrifugal block, and the through grooves and the limiting block are matched to facilitate the second centrifugal block to slide in the fourth round hole, so that the limiting block is prevented from interfering with the movement of the second centrifugal block; the second centrifugal block is arranged in the fourth round hole and is used for identifying the rotating speed of the input shaft; the second spring is positioned in the fourth round hole, one end of the second spring is arranged on the end face of the fourth round hole, and the other end of the second spring is arranged on the second centrifugal block and is used for exerting a restoring force on the second centrifugal block; the second centrifugal block has magnetism; the end, in contact with the adjusting steel ball, of the limiting block is magnetic, and the same magnetic poles have certain attraction and movement limiting effects on the adjusting steel ball; the width of the through groove is larger than or equal to that of the limiting block, so that the second centrifugal block can smoothly pass through the limiting block; the effect of adjusting the diameter of the steel ball to be equal to the diameter of the driving steel ball is to ensure that the driving steel ball can be stable in the process of driving the output shell to move, and the phenomenon of vibration cannot occur; the purpose of the same magnetic capacity on the 6 limit blocks is to reduce the cost.
In the use process, when the input shaft moves, the moving input shaft drives the second fixing column to move, the second fixing column drives the driving steel ball to move, the driving steel ball drives the output shell to move, and the moving output shell drives the output sleeve to move, so that the purpose that the input shaft drives the output sleeve to move is achieved; when the rotating speed of the input shaft is increased, the input shaft drives the second fixed column to move at a high speed, the second fixed column moving at the high speed drives the second centrifugal block to move, the moving second centrifugal block pushes the adjusting steel balls to move, so that the adjusting steel balls come out of the fourth round hole and enter the output shell, the adjusting steel balls entering the output shell increase the number of the steel balls for driving, the number of the steel balls for driving at the moment is equal to the number of the adjusting steel balls plus the number of the driving steel balls, the contact area between the steel balls for driving and the inner wall of the output shell is increased, the high-speed input shaft can still drive the output shell to move at the moment, and the purpose of increasing the critical torque value of the torque limiter is achieved; when the rotating speed of the input shaft is increased in sequence, the adjusting steel balls can be sequentially discharged, so that the critical torque of the input shaft driving the output shell can be sequentially increased, and the critical torque value of the torque limiter can be increased along with the increase of the rotating speed of the input shaft; when the centrifugal force applied to the second centrifugal block reaches the maximum, the second centrifugal block is blocked at the fourth round hole, so that the steel balls in the output shell cannot enter the fourth round hole; when the rotating speed of the output shell is increased, the speed of the first fixing column is increased, so that the rotating speed of the first centrifugal block is increased, the first centrifugal block moves along the internal thread formed on the third round hole under the action of centrifugal force, the first centrifugal block rotates under the action of the internal thread, the rotating first centrifugal block drives the driving rod to move under the action of the second driving block, the driving rod drives the adjusting block to move under the action of the first driving block, the adjusting block moves towards the inner part of the output shell under the action of the internal thread formed on the adjusting hole, so that the area of the inner wall of the output shell is increased, the contact area between the output shell and the driving steel ball is increased, the critical torque value between the driving steel ball and the adjusting steel ball on the driving output shell is increased, and the rotating speed of the input shaft is increased, the purpose of the critical torque value on the output shell will become large; when the rotation speed of the input shaft is reduced, the adjusting steel balls can enter the fourth round hole under the action of the magnetic force of the second centrifugal block; the first centrifugal block can return under the action of the first spring, and the adjusting block can restore to the original position under the action of the rotation of the first centrifugal block.
Drawings
Fig. 1 is a schematic view of the overall component distribution.
FIG. 2 is a schematic view of a vane mechanism mounting arrangement.
Fig. 3 is a schematic view of an adjustment mechanism mounting structure.
Fig. 4 is a schematic view of an output jacket installation structure.
Fig. 5 is a schematic view of an output case mounting structure.
Fig. 6 is a schematic diagram of an output case structure.
FIG. 7 is a schematic view of a vane mechanism distribution.
Fig. 8 is a schematic view of a first spring mounting structure.
Fig. 9 is a schematic view of a first drive block mounting arrangement.
FIG. 10 is a schematic view of a first centrifuge block configuration.
Fig. 11 is a schematic view of the structure of the regulating block.
Fig. 12 is a schematic view of a first fixing pillar structure.
Fig. 13 is a schematic view of an adjusting steel ball mounting structure.
Fig. 14 is a schematic view of a stopper mounting structure.
Fig. 15 is a schematic view of a second fixing pillar structure.
Fig. 16 is a cross-sectional view of a second stationary post.
Fig. 17 is a schematic view of a second spring mounting structure.
Fig. 18 is a schematic view of a guide block mounting structure.
Number designation in the figures: 1. an output sleeve; 2. an output housing; 3. a fixing ring; 4. an adjustment mechanism; 5. an input shaft; 6. a blade mechanism; 7. driving the steel ball; 9. an adjusting block; 12. an adjustment hole; 13. an accommodating chamber; 14. a first spring; 15. a first centrifugal mass; 16. a first fixed column; 17. a T-shaped ring; 18. a drive rod; 19. a first driving block; 20. a second driving block; 21. a second driving groove; 22. a second circular hole; 23. a T-shaped ring groove; 24. a first drive slot; 25. a first circular hole; 26. a third circular hole; 27. a second spring; 28. a second centrifugal mass; 29. a third spring; 30. a limiting block; 31. adjusting the steel balls; 32. passing through the slot; 33. a second fixed column; 34. a sliding groove; 35. a guide groove; 36. a fourth circular hole; 37. a guide block; 38. and a fixing ring.
Detailed Description
As shown in fig. 1, 2, 3 and 4, the device comprises an output sleeve 1, an output shell 2, a fixing ring 3, an adjusting mechanism 4, an input shaft 5, a vane mechanism 6, a driving steel ball 7, an adjusting hole 12 and an accommodating cavity 13, wherein as shown in fig. 4, the 6 vane mechanisms 6 are uniformly arranged on the outer circular surface of the input shaft 5 in the circumferential direction; as shown in fig. 3, the inner circumferential surface of the fixed ring 3 is mounted on the outer circumferential surface of the input shaft 5; the output shell 2 is provided with a containing cavity 13; as shown in fig. 5 and 6, the outer circumferential surface of the output casing 2 is uniformly provided with 6 adjusting holes 12 in the circumferential direction, as shown in fig. 6, each adjusting hole 12 is communicated with the accommodating cavity 13, and the inner circumferential surface of each adjusting hole 12 is provided with an internal thread; as shown in fig. 3, the output casing 2 is nested on the input shaft 5, one end of the output casing 2 is installed on the outer circular surface of the fixed ring 3, and the 6 vane mechanisms 6 are all located in the accommodating cavity 13; a plurality of driving steel balls 7 are arranged in the accommodating cavity 13; the output sleeve 1 is nested on the input shaft 5, and one end of the output sleeve 1 is arranged on the end surface of the output shell 2; as shown in fig. 7, 6 adjusting mechanisms 4 are circumferentially and uniformly installed on the outer circumferential surface of the output housing 2, and the adjusting mechanisms 4 are engaged with the corresponding adjusting holes 12.
As shown in fig. 8, the adjusting mechanism 4 includes an adjusting block 9, a fixing ring 38, a first spring 14, a first centrifugal block 15, a first fixing column 16, a T-shaped ring 17, a driving rod 18, a first driving block 19, a second driving block 20, a second driving groove 21, a second circular hole 22, a T-shaped ring groove 23, a first driving groove 24, a first circular hole 25, and a third circular hole 26, as shown in fig. 12, wherein a third circular hole 26 is formed on an end surface of the first fixing column 16, and an internal thread is formed on an internal circular surface of the third circular hole 26 close to the inner end surface; as shown in fig. 4, the first fixing column 16 is installed on the outer circumferential surface of the output casing 2, and the third circular hole 26 is engaged with the adjusting hole 12; the outer circular surface of the first centrifugal block 15 is provided with an external thread; as shown in fig. 10, a second round hole 22 is formed on the end surface of the first centrifugal block 15; two second driving grooves 21 are symmetrically formed in the inner circular surface of the second circular hole 22; as shown in fig. 10, a T-shaped ring groove 23 is formed on the end surface of the first centrifugal block 15, on which the second round hole 22 is formed; as shown in fig. 4, the first centrifugal block 15 is installed in the third round hole 26 by matching the external thread formed on the first centrifugal block with the internal thread formed on the third round hole 26; as shown in fig. 9, two second driving blocks 20 are symmetrically installed on the outer circumferential surface of one end of the driving rod 18; as shown in fig. 9, two first driving blocks 19 are symmetrically installed on the outer circumferential surface of the other end of the driving rod 18; as shown in fig. 9, the driving rod 18 is installed in the third circular hole 26 through the fixing ring 38, and the second driving block 20 is slidably engaged with the second driving groove 21; the outer circular surface of the adjusting block 9 is provided with an external thread; as shown in fig. 11, a first round hole 25 is opened on the end surface of the adjusting block 9; two first driving grooves 24 are symmetrically formed in the inner circular surface of the first circular hole 25; as shown in fig. 4, the adjusting block 9 is mounted in the first fixing column 16 through the matching of the external thread formed on the adjusting block and the internal thread formed on the adjusting hole 12; the first driving groove 24 is in sliding fit with the first driving block 19; as shown in FIG. 8, the first spring 14 is nested on the driving rod 18, one end of the first spring 14 is mounted on the fixing ring 38, the other end is mounted on the first eccentric block 15 through the T-shaped ring 17, and the T-shaped ring 17 is matched with the T-shaped ring groove 23.
As shown in fig. 13 and 14, the vane mechanism 6 includes a second spring 27, a second centrifugal block 28, a third spring 29, a limiting block 30, an adjusting steel ball 31, a passing groove 32, a second fixing column 33, a sliding groove 34, a guide groove 35, a fourth round hole 36, and a guide block 37, as shown in fig. 15, wherein the end surface of the first fixing column 16 is provided with the fourth round hole 36; as shown in fig. 15, 3 sets of sliding grooves 34 are sequentially formed on the inner circular surface of the first circular hole 25, and two sliding grooves 34 in each set are symmetrically distributed; the structure and the installation structure in each sliding groove 34 are completely the same, and for one of them, as shown in fig. 16, two guide grooves 35 are symmetrically formed on the two side surfaces of the sliding groove 34; as shown in fig. 17 and 18, the two guide blocks 37 are symmetrically installed on two side surfaces of the limiting block 30; the limiting block 30 is arranged in the sliding groove 34 through the matching of the guide block 37 and the guide groove 35; as shown in fig. 18, a third spring 29 is installed in the guide groove 35, one end of the third spring 29 is installed on the end surface of the guide groove 35, and the other end is installed on the guide block 37; as shown in fig. 17, 3 adjusting steel balls 31 are sequentially installed in the fourth circular hole 36, and each adjusting steel ball 31 is matched with a corresponding limiting block 30; as shown in fig. 14, two through grooves 32 are symmetrically formed on the outer circumferential surface of the second centrifugal block 28, and the through grooves 32 are matched with the limiting block 30; the second centrifugal block 28 is installed in the fourth round hole 36; as shown in fig. 14, the second spring 27 is located in the fourth round hole 36, one end of the second spring 27 is mounted on the end face of the fourth round hole 36, and the other end is mounted on the second centrifugal block 28.
The second centrifugal block 28 has magnetism; the end of the limiting block 30, which is in contact with the adjusting steel ball 31, has magnetism, and the magnetic poles are the same.
The retainer ring 38 is welded to the third circular hole 26.
The drive rod 18 is mounted in a fixed ring 38 by bearings.
The width of the through groove 32 is greater than or equal to the width of the stopper 30.
The diameter of the adjusting ball 31 is equal to the diameter of the driving ball 7.
The magnetic performance on the 6 limit blocks 30 is the same.
In summary, the following steps:
the 6 vane mechanisms 6 are uniformly arranged on the outer circular surface of the input shaft 5 in the circumferential direction and have the functions of driving the driving steel balls 7 in the output shell 2 to move so that the driving steel balls 7 can drive the output shell 2 to move on one hand and increasing the number of the driving steel balls 7 on the other hand; the inner circle surface of the fixing ring 3 is arranged on the outer circle surface of the input shaft 5 for facilitating the installation of the output shell 2; the output shell 2 is provided with a containing cavity 13 for containing the driving steel balls 7 and the blade mechanism 6; the outer circular surface of the output shell 2 is uniformly provided with 6 adjusting holes 12 in the circumferential direction, each adjusting hole 12 is communicated with the containing cavity 13, and the inner circular surface of each adjusting hole 12 is provided with internal threads for facilitating the installation of the adjusting block 9; the output shell 2 is nested on the input shaft 5, one end of the output shell 2 is arranged on the outer circular surface of the fixing ring 3, and the 6 vane mechanisms 6 are all positioned in the accommodating cavity 13 to facilitate the installation of the output sleeve 1; a plurality of driving steel balls 7 are arranged in the accommodating cavity 13 and are used for driving the output shell 2 to move; the output sleeve 1 is nested on the input shaft 5, and one end of the output sleeve 1 is arranged on the end surface of the output shell 2 and is used for transmitting the motion on the driving shell to the output sleeve 1; the 6 adjusting mechanisms 4 are circumferentially and uniformly arranged on the outer circular surface of the output shell 2, and the adjusting mechanisms 4 and the corresponding adjusting holes 12 are matched to adjust the contact area of the driving shell and the driving steel balls 7, so that the aim of adjusting the critical torque value of the torque limiter is fulfilled.
The adjusting mechanism 4 is used for adjusting the contact area of the driving shell and the driving steel ball 7, so that the aim of adjusting the critical torque value of the torque limiter is fulfilled; a third round hole 26 is formed in the end face of the first fixing column 16, and an internal thread is formed in the inner circular face, close to the inner end face, of the third round hole 26, so that the first centrifugal block 15 can rotate while sliding along the internal thread; the first fixing column 16 is installed on the outer circular surface of the output shell 2, and the third circular hole 26 and the adjusting hole 12 are matched to facilitate installation of the first centrifugal block 15, the adjusting block 9 and the driving rod 18; the external thread arranged on the external circular surface of the first centrifugal block 15 is matched with the internal thread arranged on the third circular hole 26; the end face of the first centrifugal block 15 is provided with a second round hole 22 for accommodating the driving rod 18; the inner circular surface of the second circular hole 22 is symmetrically provided with two second driving grooves 21 for rotating with the second driving block 20 mounted on the driving rod 18, when the first centrifugal block 15 rotates under the action of screw-thread fit, the first centrifugal block 15 transmits the motion to the driving rod 18 through the fit of the second driving block 20 and the second driving grooves 21; the end surface of the first centrifugal block 15 provided with the second round hole 22 is provided with a T-shaped ring groove 23 for facilitating the installation of the first spring 14 and preventing the first spring 14 from influencing the rotary motion of the first centrifugal block 15; the first centrifugal block 15 is installed in the third round hole 26 through matching of an external thread formed on the first centrifugal block and an internal thread formed on the third round hole 26, and the function of recognizing the movement speed of the output shell 2 is realized; the driving rod 18 is installed in the third round hole 26 through the fixing ring 38, and the sliding fit between the second driving block 20 and the second driving groove 21 is used for transmitting the motion of the first centrifugal block 15 to the adjusting block 9; the outer circular surface of the adjusting block 9 is provided with an external thread, so that the adjusting block 9 can conveniently rotate to enter the adjusting hole 12; the end surface of the adjusting block 9 is provided with a first round hole 25 for facilitating the installation of the driving rod 18; the inner circular surface of the first circular hole 25 is symmetrically provided with two first driving grooves 24 for transmitting the motion of the driving rod 18 to the adjusting block 9; the adjusting block 9 is arranged in the first fixing column 16 through the matching of external threads formed on the adjusting block and internal threads formed on the adjusting hole 12 and has the function of adjusting the contact area between the inner wall of the output shell 2 and the driving steel ball 7; the first spring 14 is nested on the driving rod 18, one end of the first spring 14 is mounted on the fixing ring 38, the other end is mounted on the first centrifugal block 15 through the T-shaped ring 17, and the T-shaped ring 17 and the T-shaped ring groove 23 cooperate to apply a restoring force to the first centrifugal block 15.
The blade mechanism 6 has the functions that on one hand, the blade mechanism drives the driving steel balls 7 in the output shell 2 to move so that the driving steel balls 7 can drive the output shell 2 to move, and on the other hand, the blade mechanism increases the number of the driving steel balls 7 so as to increase the critical torque value of the torque limiter; the end surface of the first fixing column 16 is provided with a fourth round hole 36 for accommodating the adjusting steel ball 31 and the second centrifugal block 28; 3 groups of sliding grooves 34 are sequentially formed in the inner circular surface of the first circular hole 25, and the two sliding grooves 34 in each group are symmetrically distributed to facilitate the accommodation of the limiting block 30; the two sides of the sliding groove 34 are symmetrically provided with two guide grooves 35 which are used for matching with the guide blocks 37 arranged on the limiting block 30, so that the purpose of guiding the limiting block 30 to move is achieved; the limiting block 30 is arranged in the sliding groove 34 through the matching of the guide block 37 and the guide groove 35, and the function of limiting the movement of the adjusting steel ball 31 is realized; one end of the third spring 29 is arranged on the end surface of the guide groove 35, and the other end of the third spring is arranged on the guide block 37 and is used for exerting restoring force on the limiting block 30; the 3 adjusting steel balls 31 are sequentially arranged in the fourth round hole 36, and each adjusting steel ball 31 is matched with the corresponding limiting block 30 to enable the adjusting steel ball 31 to enter the output shell 2, so that the number of the driving steel balls 7 is increased, and the purpose of adjusting the critical torque of the torque limiter is achieved; two through grooves 32 are symmetrically formed on the outer circumferential surface of the second centrifugal block 28, and the through grooves 32 and the limiting block 30 are matched to facilitate the second centrifugal block 28 to slide in the fourth round hole 36, so as to prevent the limiting block 30 from interfering with the movement of the second centrifugal block 28; the second centrifugal block 28 is arranged in the fourth round hole 36 and is used for identifying the rotating speed of the input shaft 5; the second spring 27 is located in the fourth round hole 36, one end of the second spring 27 is installed on the end face of the fourth round hole 36, and the other end of the second spring 27 is installed on the second centrifugal block 28 and is used for exerting a restoring force on the second centrifugal block 28; second centrifugal mass 28 is magnetic; the end, in contact with the adjusting steel ball 31, of the limiting block 30 is magnetic, and the same magnetic poles have certain attraction and movement limiting effects on the adjusting steel ball 31; the effect that the width of the passage groove 32 is greater than or equal to the width of the stopper 30 is to facilitate the second centrifugal block 28 to smoothly pass through the stopper 30; the function of adjusting the diameter of the steel ball 31 to be equal to the diameter of the driving steel ball 7 is to ensure that the driving steel ball 7 can be stable in the process of driving the output shell 2 to move, and the phenomenon of vibration cannot occur; the purpose of the same magnetic capability on the 6 stoppers 30 is to reduce costs.
In a specific embodiment, when the input shaft 5 moves, the moving input shaft 5 drives the second fixing column 33 to move, the second fixing column 33 drives the driving steel ball 7 to move, the driving steel ball 7 drives the output shell 2 to move, and the moving output shell 2 drives the output sleeve 1 to move, so that the purpose that the input shaft 5 drives the output sleeve 1 to move is achieved; when the rotation speed of the input shaft 5 is increased, the input shaft 5 drives the second fixing column 33 to move at a high speed, the second fixing column 33 which moves at the high speed drives the second centrifugal block 28 to move, the moving second centrifugal block 28 pushes the adjusting steel balls 31 to move, so that the adjusting steel balls 31 come out of the fourth round hole 36 and enter the output shell 2, the number of the steel balls 31 which enter the output shell 2 and are used for driving is increased, the number of the steel balls used for driving is equal to the number of the adjusting steel balls 31 plus the number of the driving steel balls 7, the contact area between the steel balls used for driving and the inner wall of the output shell 2 is increased, the high-speed input shaft 5 can still drive the output shell 2 to move, and the purpose of increasing the critical torque value of the torque limiter is achieved; when the rotating speed of the input shaft 5 is increased in sequence, the adjusting steel balls 31 can be sequentially discharged, so that the critical torque of the input shaft 5 for driving the output shell 2 is also increased in sequence, and the critical torque value of the torque limiter is also increased along with the increase of the rotating speed of the input shaft 5; when the centrifugal force applied to the second centrifugal block 28 reaches the maximum, the second centrifugal block 28 at this time will block the fourth circular hole 36, so that the steel balls in the output housing 2 will not enter the fourth circular hole 36; when the rotating speed of the output housing 2 increases, the speed of the first fixing column 16 will increase, so that the rotating speed of the first centrifugal block 15 increases, at this time, the first centrifugal block 15 will move along the internal thread opened on the third circular hole 26 under the action of the centrifugal force, under the action of the internal thread, the first centrifugal block 15 will rotate, the rotating first centrifugal block 15 will drive the driving rod 18 to move under the action of the second driving block 20, the driving rod 18 will drive the adjusting block 9 to move under the action of the first driving block 19, the adjusting block 9 will move towards the inside of the output housing 2 under the action of the internal thread opened on the adjusting hole 12, so that the area of the inner wall of the output housing 2 becomes larger, at this time, the contact area between the output housing 2 and the driving steel ball 7 will become larger, at this time, the critical torque value of the driving steel ball 7 and the adjusting steel ball 31 driving the output housing 2 will become larger, so as to achieve the purpose that the critical torque value on the output shell 2 will become larger as the rotation speed of the input shaft 5 increases.
Claims (6)
1. The utility model provides a torque limiter that steel ball driven building was used based on magnet control which characterized in that: the device comprises an output sleeve, an output shell, a fixing ring, an adjusting mechanism, an input shaft, a blade mechanism, a driving steel ball, an adjusting hole and an accommodating cavity, wherein 6 blade mechanisms are uniformly arranged on the outer circular surface of the input shaft in the circumferential direction; the inner circular surface of the fixed ring is arranged on the outer circular surface of the input shaft; the output shell is provided with a containing cavity; the outer circular surface of the output shell is uniformly provided with 6 adjusting holes in the circumferential direction, each adjusting hole is communicated with the accommodating cavity, and the inner circular surface of each adjusting hole is provided with internal threads; the output shell is nested on the input shaft, one end of the output shell is arranged on the outer circular surface of the fixed ring, and the 6 blade mechanisms are all positioned in the accommodating cavity; a plurality of driving steel balls are arranged in the accommodating cavity; the output sleeve is nested on the input shaft, and one end of the output sleeve is arranged on the end face of the output shell; the 6 adjusting mechanisms are uniformly arranged on the outer circular surface of the output shell in the circumferential direction and are matched with the corresponding adjusting holes;
the adjusting mechanism comprises an adjusting block, a fixing ring, a first spring, a first centrifugal block, a first fixing column, a T-shaped ring, a driving rod, a first driving block, a second driving groove, a second round hole, a T-shaped ring groove, a first driving groove, a first round hole and a third round hole, wherein the end face of the first fixing column is provided with the third round hole, and the inner circular face, close to the inner end face, of the third round hole is provided with an internal thread; the first fixing column is arranged on the outer circular surface of the output shell, and the third circular hole is matched with the adjusting hole; the outer circular surface of the first centrifugal block is provided with an external thread; a second round hole is formed in the end face of the first centrifugal block; two second driving grooves are symmetrically formed in the inner circular surface of the second circular hole; the end surface of the first centrifugal block provided with the second round hole is provided with a T-shaped annular groove; the first centrifugal block is arranged in the third round hole in a matching way through an external thread formed on the first centrifugal block and an internal thread formed on the third round hole; the two second driving blocks are symmetrically arranged on the outer circular surface at one end of the driving rod; the two first driving blocks are symmetrically arranged on the outer circular surface at the other end of the driving rod; the driving rod is arranged in the third round hole through the fixing ring, and the second driving block is in sliding fit with the second driving groove; the outer circle surface of the adjusting block is provided with an external thread; a first round hole is formed in the end face of the adjusting block; two first driving grooves are symmetrically formed in the inner circular surface of the first circular hole; the adjusting block is arranged in the first fixing column in a matching way through an external thread formed on the adjusting block and an internal thread formed on the adjusting hole; the first driving groove is in sliding fit with the first driving block; the first spring is nested on the driving rod, one end of the first spring is arranged on the fixed ring, the other end of the first spring is arranged on the first centrifugal block through a T-shaped ring, and the T-shaped ring is matched with the T-shaped ring groove;
the blade mechanism comprises a second spring, a second centrifugal block, a third spring, a limiting block, an adjusting steel ball, a through groove, a second fixed column, a sliding groove, a guide groove, a fourth round hole and a guide block, wherein the end surface of the first fixed column is provided with the fourth round hole; 3 groups of sliding grooves are sequentially formed in the inner circular surface of the first circular hole, and two sliding grooves in each group are symmetrically distributed; the structure and the installation structure in each sliding groove are completely the same, and for one of the sliding grooves, two guide grooves are symmetrically formed on the two side surfaces of the sliding groove; the two guide blocks are symmetrically arranged on the two side surfaces of the limiting block; the limiting block is arranged in the sliding groove through the matching of the guide block and the guide groove; a third spring is arranged in the guide groove, one end of the third spring is arranged on the end surface of the guide groove, and the other end of the third spring is arranged on the guide block; the 3 adjusting steel balls are sequentially arranged in the fourth round hole, and each adjusting steel ball is matched with a corresponding limiting block; two through grooves are symmetrically formed in the outer circular surface of the second centrifugal block and matched with the limiting block; the second centrifugal block is arranged in the fourth round hole; the second spring is positioned in the fourth round hole, one end of the second spring is installed on the end face of the fourth round hole, and the other end of the second spring is installed on the second centrifugal block;
the second centrifugal block has magnetism; the end of the limiting block, which is in contact with the adjusting steel ball, has magnetism, and the magnetic poles are the same.
2. The torque limiter for building based on magnet control steel ball drive of claim 1, wherein: the fixing ring is welded in the third round hole.
3. The torque limiter for building based on magnet control steel ball drive of claim 1, wherein: the driving rod is arranged in the fixed ring through a bearing.
4. The torque limiter for building based on magnet control steel ball drive of claim 1, wherein: the width of the passing groove is larger than or equal to that of the limiting block.
5. The torque limiter for building based on magnet control steel ball drive of claim 1, wherein: the diameter of the adjusting steel ball is equal to that of the driving steel ball.
6. The torque limiter for building based on magnet control steel ball drive of claim 1, wherein: the magnetic performance on the 6 limit blocks is the same.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711266879.4A CN108035990A (en) | 2017-12-05 | 2017-12-05 | The torque limiter that a kind of building based on magnet control steel ball driving uses |
| CN2017112668794 | 2017-12-05 |
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| Publication Number | Publication Date |
|---|---|
| CN108916264A CN108916264A (en) | 2018-11-30 |
| CN108916264B true CN108916264B (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711266879.4A Pending CN108035990A (en) | 2017-12-05 | 2017-12-05 | The torque limiter that a kind of building based on magnet control steel ball driving uses |
| CN201811074075.9A Active CN108916264B (en) | 2017-12-05 | 2018-09-14 | Torque limiter used for building and based on magnet control steel ball driving |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711266879.4A Pending CN108035990A (en) | 2017-12-05 | 2017-12-05 | The torque limiter that a kind of building based on magnet control steel ball driving uses |
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| CN108035990A (en) * | 2017-12-05 | 2018-05-15 | 王凯 | The torque limiter that a kind of building based on magnet control steel ball driving uses |
| CN109723731A (en) * | 2019-02-19 | 2019-05-07 | 苏州优得精智装备有限公司 | A kind of adjustable compact clutch of torque |
| CN114227615B (en) * | 2022-02-25 | 2022-04-26 | 成都成高阀门有限公司 | Quick assembly tool for valve seat support |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6466119B1 (en) * | 1996-09-06 | 2002-10-15 | Chester Drew | Magnetic circuit |
| JP6752009B2 (en) * | 2015-10-23 | 2020-09-09 | アズビル株式会社 | Manipulator |
| CN205823985U (en) * | 2016-06-28 | 2016-12-21 | 徐工（辽宁）机械有限公司 | Automatic-reset torque limiter |
| CN107131225A (en) * | 2017-07-12 | 2017-09-05 | 浙江普赛斯传动机械有限公司 | Torque overload protector for agricultural machinery power transmission shaft |
| CN109185359B (en) * | 2017-09-11 | 2020-06-23 | 浙江里特机车部件有限公司 | Clutch device |
| CN107420456B (en) * | 2017-09-22 | 2018-12-14 | 东莞市松研智达工业设计有限公司 | A kind of lever speed-torque controller based on centrifugal force |
| CN107420457A (en) * | 2017-10-06 | 2017-12-01 | 东莞市松研智达工业设计有限公司 | A kind of torque limiter of adjustable critical value |
| CN108035990A (en) * | 2017-12-05 | 2018-05-15 | 王凯 | The torque limiter that a kind of building based on magnet control steel ball driving uses |
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| CN108916264A (en) | 2018-11-30 |
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