CN110792700B - Drum-shaped tooth type coupling - Google Patents
Drum-shaped tooth type coupling Download PDFInfo
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- CN110792700B CN110792700B CN201911255660.3A CN201911255660A CN110792700B CN 110792700 B CN110792700 B CN 110792700B CN 201911255660 A CN201911255660 A CN 201911255660A CN 110792700 B CN110792700 B CN 110792700B
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- collecting piece
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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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
Abstract
The invention relates to a drum-shaped tooth type coupling, which comprises: including first pivot, second pivot and axle sleeve, the middle part of axle sleeve is equipped with hollow collecting box, be equipped with at least one blast pipe on the periphery wall of collecting box, be equipped with the rectangle through-hole on the blast pipe, be equipped with spiral elastic collecting piece in the rectangle through-hole, the rectangle through-hole is plugged up to elastic collecting piece, and elastic collecting piece's outer end sets up towards the inner direction of rectangle through-hole, elastic collecting piece can gradually expand to the outer end direction of rectangle through-hole in the rectangle through-hole after receiving exogenic action, and make the rectangle through-hole switch on, the outer end of rectangle through-hole is connected with the closing cap, all be equipped with the elastic sealing circle between shaft hole and first pivot and the second pivot, be equipped with the inlet port on the lateral wall of collecting box, the inlet port in-connection has the gag. The invention has the advantages that: the impurity particles can be collected, so that the abrasion of the impurity particles to the inner gear ring and the drum-shaped outer gear ring is greatly reduced, and the accuracy and the service life of the drum-shaped tooth type coupler can be effectively guaranteed.
Description
Technical Field
The invention relates to a coupler, in particular to a drum-shaped tooth type coupler.
Background
The drum-shaped tooth type coupling belongs to a rigid flexible coupling, has the capability of compensating the radial, axial and angular equiaxial line deviations, and has the advantages of compact structure, small turning radius, large bearing capacity, high transmission efficiency, low noise, long maintenance period and the like. In recent years, drum-shaped tooth type couplings are widely applied in many industries in China, and a large number of equipment from high-speed turbine sets to medium and low-speed heavy metallurgy, mines, hoisting and transportation and the like are applied, and respective standard series are formed, and abundant experience is accumulated in the aspects of design and manufacture. The existing drum-shaped tooth type coupling generally has the following defects: the drum-shaped tooth type coupler realizes torque transmission through the meshing of the inner gear ring and the drum-shaped outer gear ring, so that abrasion is generated between the inner gear ring and the drum-shaped outer gear ring in the use process, and tiny impurity particles are generated, the impurity particles can be always remained in a closed inner cavity of the drum-shaped tooth type coupler and are accumulated more and more, and in the high-speed rotation process of the drum-shaped tooth type coupler, the impurity particles moving at high speed collide with the inner cavity wall of the drum-shaped tooth type coupler, the inner gear ring and the drum-shaped outer gear ring, so that the abrasion of the inner gear ring and the drum-shaped outer gear ring is aggravated, and the precision and the service life of the drum-shaped tooth type coupler are further seriously shortened.
Disclosure of Invention
The invention aims to solve the technical problem of providing a drum-shaped tooth type coupling which can collect impurity particles generated by mutual abrasion between an inner gear ring and a drum-shaped outer gear ring in the use process, thereby greatly reducing the abrasion of the impurity particles to the inner gear ring and the drum-shaped outer gear ring and further effectively ensuring the accuracy and the service life of the coupling.
In order to solve the technical problem, the invention provides a drum-shaped tooth type coupling with the following structure: comprises a first rotating shaft, a second rotating shaft and a shaft sleeve, wherein one end of the first rotating shaft and one end of the second rotating shaft are respectively inserted into two ends of a shaft hole of the shaft sleeve and are meshed with the shaft sleeve, a hollow collecting box is arranged in the middle of the shaft sleeve and is simultaneously communicated with the shaft holes on two sides of the shaft sleeve, at least one exhaust pipe is arranged on the peripheral wall of the collecting box, a rectangular through hole is formed in the exhaust pipe, the inner end of the rectangular through hole is communicated with the collecting box, a spiral elastic collecting piece is arranged in the rectangular through hole and is used for plugging the rectangular through hole, the outer end of the elastic collecting piece faces to the inner end of the rectangular through hole and is connected to the inner end of one side wall of the rectangular through hole, the elastic collecting piece can gradually expand towards the outer end of the rectangular through hole in the rectangular through hole after being acted by external force and enables the rectangular through hole to be communicated, and a sealing cover is detachably connected to the outer end of the rectangular through hole, all be equipped with the elastic sealing circle between the internal perisporium of shaft hole both ends department and the periphery wall of corresponding first pivot and second pivot, be equipped with the inlet port on the lateral wall of collecting box, be connected with the gag in the inlet port detachablely.
After adopting the structure, compared with the prior art, the invention has the following advantages: when the drum-shaped tooth type coupling is used, along with the rotation of the shaft sleeve, impurity particles can enter the collecting box under the action of centrifugal force and move at high speed in the collecting box, so when the impurity particles move to the position of the elastic collecting piece, the impurity particles can enter the elastic collecting piece from the opening of the spiral gap of the elastic collecting piece until reaching the center of the elastic collecting piece, at the moment, the elastic collecting piece blocks the rectangular through hole, so that the elastic collecting piece is only provided with the opening of the spiral gap, and the rest parts form a closed structure, therefore, after the shaft sleeve stops rotating, no matter which position the exhaust pipe is positioned, namely, no matter which direction the opening of the spiral gap of the elastic collecting piece faces, under the blocking of the spiral elastic collecting piece, the impurity particles can be always positioned in the spiral gap of the elastic collecting piece and can not fall into the collecting box any more, the drum-shaped tooth type coupler achieves the purpose of collecting impurity particles, so that the number of the impurity particles in the shaft sleeve is greatly reduced, the abrasion of the impurity particles to the inner gear ring and the drum-shaped outer gear ring is greatly reduced, and the precision and the service life of the drum-shaped tooth type coupler are effectively ensured; moreover, when the drum-shaped tooth-type coupling is used for a period of time, impurity particles in the spiral gaps of the elastic collecting pieces are stored more, only the plug cover and the sealing cover need to be removed, then the high-pressure air source is communicated with the air inlet hole by using a pipe, at the moment, the elastic sealing rings are arranged between the inner peripheral walls at two ends of the shaft hole and the outer peripheral walls of the corresponding first rotating shaft and the second rotating shaft, so that the first rotating shaft, the second rotating shaft and the shaft sleeve are sealed, high-pressure air only can impact the exhaust pipe and then enters the elastic collecting pieces from the openings of the spiral gaps of the elastic collecting pieces, the elastic collecting pieces can gradually expand towards the outer end direction of the rectangular through holes in the rectangular through holes under the action of the huge thrust of the high-pressure air, the rectangular through holes are communicated, and therefore, the impurity particles originally positioned on the elastic collecting pieces can be blown out of the shaft sleeve along with the high-speed air, the purpose of removing impurities is achieved; when the impurity particles are removed completely and the high-pressure air source is closed, the elastic collecting piece can be bent into an initial spiral shape again under the action of the elastic restoring force after the external force disappears, so that the drum-shaped tooth type coupling can be normally used only by installing the plug cover and the sealing cover back to the original positions. Therefore, the drum-shaped tooth type coupler can greatly reduce the number of impurity particles in the shaft sleeve, further greatly reduce the abrasion of the impurity particles to the inner gear ring and the drum-shaped outer gear ring, effectively ensure the precision and the service life of the drum-shaped tooth type coupler, is very convenient to use, and can greatly improve the working efficiency of workers.
The invention relates to a drum-shaped tooth type coupling, wherein the outer end of an elastic collecting piece is connected to the inner end of one radial side wall of a rectangular through hole, the outer surface of the elastic collecting piece is attached to the other radial side wall of the rectangular through hole, and two side surfaces of the elastic collecting piece are parallel to each other and are respectively attached to two axial side walls of the rectangular through hole.
The structure of the rectangular through hole for plugging the elastic collecting piece is simple in structure, and the plugging effect of the elastic collecting piece can be effectively guaranteed under the condition that the elastic collecting piece is normally unfolded and returns to the initial state.
In the crowned tooth coupling according to the invention, the bending direction of the elastic collecting piece is the same as the rotation direction of the crowned tooth coupling.
The structure can enable the impurity particles to enter the spiral gap of the elastic collecting piece more easily, and the impurity particles are not easy to fall off from the elastic collecting piece, so that the elastic collecting piece can collect the impurity particles more effectively, the drum-shaped tooth type coupling can further reduce the number of the impurity particles in the shaft sleeve, the abrasion of the impurity particles to the inner gear ring and the outer drum-shaped gear ring is greatly reduced, and the precision and the service life of the drum-shaped tooth type coupling are effectively ensured.
The invention relates to a drum-shaped tooth type coupling, wherein a supporting block is connected to the inner end of the other radial side wall of a rectangular through hole, an arc-shaped supporting surface is arranged on the supporting block, and the arc-shaped supporting surface is attached to the outer surface of an elastic collecting piece.
The supporting block can effectively support the elastic collecting piece, so that when the elastic collecting piece rotates to the uppermost end, the elastic collecting piece cannot be bent downwards and separated from the rectangular through hole due to more collected impurity particles, and the plugging effect of the elastic collecting piece on the rectangular through hole can be always effectively ensured; in addition, the supporting block and the matching structure of the elastic collecting piece can further improve the plugging effect on the rectangular through hole, so that the impurity particles are not easy to enter the rectangular through hole above the elastic collecting piece from the side wall between the elastic collecting piece and the rectangular through hole, and the collection of the impurity particles is facilitated.
The drum-shaped tooth type coupling is characterized in that the supporting block is further provided with a guide inclined plane, and the guide inclined plane is tangent to the outer surface of the elastic collecting piece.
The arrangement of the guide inclined plane can further enable impurity particles to enter the spiral gap of the elastic collecting piece more easily, so that the elastic collecting piece can collect the impurity particles more effectively, the number of the impurity particles in the shaft sleeve can be further reduced, the abrasion of the impurity particles to the inner gear ring and the outer gear ring of the drum-shaped tooth type coupling is greatly reduced, and the precision and the service life of the drum-shaped tooth type coupling are effectively guaranteed.
The drum-shaped tooth type coupler is characterized in that the inner end of the other radial side wall of the rectangular through hole is recessed inwards to form a rectangular fixing groove, the fixing groove is opened towards the direction of the collecting box, the supporting block is partially positioned in the fixing groove, two parallel side walls of the fixing groove are respectively provided with a clamping groove extending along the direction of the rectangular through hole, two parallel end faces of the supporting block are respectively provided with a clamping strip matched with the clamping groove, one end of the supporting block, which faces the collecting box, is exposed out of the fixing groove and is provided with a fixing plate, and the fixing plate is fixedly connected to an exhaust pipe at the inner end of the rectangular through hole.
The fixing structure of the supporting block not only facilitates the assembly of the supporting block, but also is stable and reliable in fixing, so that the supporting block can always provide stable support for the elastic collecting piece.
According to the drum-shaped tooth type coupling, the sealing cover is provided with the plurality of supporting strips, the supporting strips are located in the rectangular through holes, and the free ends of the supporting strips are attached to the outer surface of the elastic collecting piece.
The setting of support bar can form effective support to the elasticity collection piece, makes the elasticity collection piece rotate to when the lower extreme, can not take place bending deformation and automatic expansion downwards because of the impurity granule of collecting more to can effectively guarantee the shutoff effect of elasticity collection piece to the rectangle through-hole all the time.
The invention relates to a drum-shaped tooth type coupling, wherein an elastic collecting sheet is formed by compounding an elastic framework layer and an elastic rubber layer, the elastic rubber layer is positioned on the outer side of the elastic framework layer, the width of the elastic rubber layer is larger than that of the elastic framework layer, the outer surface of the elastic rubber layer is attached to the other radial side wall of a rectangular through hole, two side surfaces of the elastic rubber layer are parallel to each other and are respectively attached to two axial side walls of the rectangular through hole, and the two side surfaces of the elastic framework layer are not in contact with the two axial side walls of the rectangular through hole.
The elastic collecting piece with the structure can ensure that the frictional resistance between two axial side walls of the two sides of the elastic collecting piece and the rectangular through hole is greatly reduced on the premise of ensuring the effective plugging effect of the rectangular through hole, so that the elastic collecting piece is easier to unfold and reply and the noise generated in the unfolding and replying processes of the elastic collecting piece can be greatly reduced.
In the drum-shaped tooth type coupling, thinning structures are arranged on two side faces of the elastic rubber layer.
The setting of attenuate structure can make the elastic collection piece both sides and the two axial lateral walls of rectangle through-hole between the frictional resistance further reduce to not only change in the expansion and the reply of elastic collection piece, but also can reduce the noise that the elastic collection piece produced at expansion and reply in-process greatly.
The drum-shaped tooth type coupling is characterized in that the number of the exhaust pipes is four, and the four exhaust pipes are uniformly distributed on the outer peripheral wall of the collecting box in the circumferential direction.
The structure not only can effectively ensure the coaxiality of the shaft sleeve when the drum-shaped tooth type coupling is used, so that the drum-shaped tooth type coupling has higher use stability, thereby greatly reducing the generation of impurity particles, but also can greatly improve the efficiency of collecting the impurity particles and the quantity of the collected impurity particles, further ensure that the drum-shaped tooth type coupling can further reduce the quantity of the impurity particles in the shaft sleeve, greatly reduce the abrasion of the impurity particles on the inner gear ring and the drum-shaped outer gear ring, and effectively ensure the precision and the service life of the drum-shaped tooth type coupling.
Drawings
FIG. 1 is a schematic front view structural profile of a crowned tooth coupling of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 2;
FIG. 4 is a schematic perspective view of a spring pickup plate of the present invention;
FIG. 5 is a perspective view of a support block in the crowned coupling of the present invention.
Description of reference numerals: 1. a first rotating shaft; 2. a second rotating shaft; 3. a shaft sleeve; 4. a shaft hole; 5. a collection box; 6. an exhaust pipe; 7. a rectangular through hole; 8. a cover plate; 9. a cover sheet; 10. a drum-shaped outer ring gear; 11. an inner gear ring; 12. an elastic collecting sheet; 13. sealing the cover; 14. an elastic sealing ring; 15. pressing a plate; 16. an air inlet; 17. a plug cover; 18. a support block; 19. an arc-shaped supporting surface; 20. a guide slope; 21. fixing grooves; 22. a card slot; 23. clamping the strip; 24. a fixing plate; 25. a supporting strip; 26. an elastic skeleton layer; 27. an elastic rubber layer; 28. thinning the structure; 3A, driving shaft sleeves; 3B, a driven shaft sleeve.
Detailed Description
The present invention is described in further detail below with reference to the accompanying drawings and the detailed description.
In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", and the like, indicate orientations or state relationships based on the orientations or state relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the mechanism or member referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 5, the drum-shaped tooth coupling of the present invention comprises a first rotating shaft 1, a second rotating shaft 2 and a shaft sleeve 3, wherein one end of the first rotating shaft 1 and one end of the second rotating shaft 2 are respectively inserted into two ends of a shaft hole 4 of the shaft sleeve 3 and engaged with the shaft sleeve 3, a hollow collecting box 5 is provided in the middle of the shaft sleeve 3, the collecting box 5 is simultaneously communicated with the shaft holes 4 on both sides thereof, at least one exhaust pipe 6 is provided on the outer peripheral wall of the collecting box 5, a rectangular through hole 7 is provided on the exhaust pipe 6, the inner end of the rectangular through hole 7 is communicated with the collecting box 5, in this embodiment, the shaft sleeve 3 is formed by splicing a driving shaft sleeve 3A and a driven shaft sleeve 3B and is fixed by a plurality of screws, the collecting box 5 and the exhaust pipe 6 are radially divided into two parts by the driving shaft sleeve 3A and the driven shaft sleeve 3B, the collecting box 5 part on the driving shaft sleeve 3A is in the shape of a groove with an axial opening, the rectangular through hole 7 part on the driving shaft sleeve 3A is in a straight groove shape, the collecting box 5 part on the driven shaft sleeve 3B is a flaky cover plate 8, and the rectangular through hole 7 part on the driven shaft sleeve 3B is a flaky cover plate 9; and the first rotating shaft 1 is a driving shaft, the second rotating shaft 2 is a driven shaft, one end of each of the first rotating shaft 1 and the second rotating shaft 2 is provided with a drum-shaped outer gear ring 10, inner gear rings 11 are arranged on the inner peripheral walls of the two ends of the shaft hole 4 of the shaft sleeve 3, the first rotating shaft 1, the second rotating shaft 2 and the shaft sleeve 3 are respectively meshed with the corresponding inner gear rings 11 through the corresponding drum-shaped outer gear rings 10, and the communication between the inner end of the rectangular through hole 7 and the collecting box 5 means that the inner end of the rectangular through hole 7 is communicated with the inner cavity of the collecting box 5.
The number of the exhaust pipes 6 in the embodiment is four, the four exhaust pipes 6 are uniformly distributed on the outer peripheral wall of the collection box 5 in the circumferential direction, a spiral elastic collecting piece 12 is arranged in each rectangular through hole 7, the rectangular through hole 7 is blocked by the elastic collecting piece 12, the outer end of the elastic collecting piece 12 is arranged towards the inner end direction of the rectangular through hole 7, and is connected at the inner end of one side wall of the rectangular through hole 7 through a plurality of screws, the elastic collecting sheet 12 can be gradually unfolded towards the outer end direction of the rectangular through hole 7 in the rectangular through hole 7 after being acted by external force, the rectangular through hole 7 is communicated, the outer end of the rectangular through hole 7 is detachably connected with a sealing cover 13 through a plurality of screws, elastic sealing rings 14 are arranged between the inner peripheral walls at two ends of the shaft hole 4 and the outer peripheral walls of the corresponding first rotating shaft 1 and the second rotating shaft 2, and each elastic sealing ring 14 is fixed on the shaft sleeve 3 through a pressing plate 15; an air inlet 16 is arranged on the side wall of the collecting box 5, and a plug cover 17 is detachably connected in the air inlet 16; in order to effectively ensure the capability of the elastic collecting piece 12 for collecting impurity particles, the spiral shape of the elastic collecting piece 12 at least ensures that two complete circles are formed; the stopper 17 may be made of a rubber material and is tightly stopped in the air intake hole 16.
Preferably, the outer end of the elastic collecting piece 12 is connected to the inner end of one radial side wall of the rectangular through hole 7, the outer surface of the elastic collecting piece 12 is attached to the other radial side wall of the rectangular through hole 7, and two side surfaces of the elastic collecting piece 12 are parallel to each other and are respectively attached to two axial side walls of the rectangular through hole 7. In this embodiment, one of the axial side walls of the rectangular through hole 7 refers to a groove bottom surface of the rectangular through hole 7 portion in the shape of a straight groove on the driving sleeve 3A, the other axial side wall of the rectangular through hole 7 refers to an end surface of the laminar cover plate 9 on the driven sleeve 3B facing the driving sleeve 3A, and the two radial side walls of the rectangular through hole 7 refer to two opposite side walls of the rectangular through hole 7 left after removing the two axial side walls, that is, two opposite groove side walls of the rectangular through hole 7 portion in the shape of a straight groove on the driving sleeve 3A.
The flexible collecting plate 12 is bent in the same direction as the rotation direction of the crowned coupling.
The inner end of the other radial side wall of the rectangular through hole 7 is connected with a supporting block 18, an arc supporting surface 19 is arranged on the supporting block 18, and the arc supporting surface 19 is attached to the outer surface of the elastic collecting piece 12.
The supporting block 18 is further provided with a guiding inclined plane 20, the guiding inclined plane 20 is tangent to the outer surface of the elastic collecting piece 12, in this embodiment, in order to prevent the end of the guiding inclined plane 20 close to the elastic collecting piece 12 from being too sharp to scratch the elastic collecting piece 12, the end of the guiding inclined plane 20 close to the elastic collecting piece 12 is provided with a round angle.
The interior department indent of another radial lateral wall of rectangular through-hole 7 and the fixed slot 21 that forms the rectangle, fixed slot 21 is towards the opening of collection box 5 place direction, supporting shoe 18 part is located fixed slot 21, all be equipped with on two mutually parallel lateral walls of fixed slot 21 and set up the draw-in groove 22 that the direction extends along rectangular through-hole 7, all be equipped with on two parallel terminal surfaces of supporting shoe 18 with draw-in groove 22 matched with card strip 23, supporting shoe 18 exposes outside fixed slot 21 and is equipped with fixed plate 24 towards the one end of collection box 5, fixed plate 24 is on the blast pipe 6 of the interior department of rectangular through-hole 7 through a plurality of screw fixed connection.
In the present embodiment, one of the locking grooves 22 is disposed on the driving shaft sleeve 3A, the other locking groove 22 is disposed on the driven shaft sleeve 3B, and the fixing plate 24 is fixedly connected to the driving shaft sleeve 3A, which is designed to facilitate the assembly of the fixing plate 24.
The sealing cover 13 is provided with a plurality of supporting strips 25, the supporting strips 25 are positioned in the rectangular through holes 7, and the free ends of the supporting strips 25 are attached to the outer surface of the elastic collecting sheet 12.
The elastic collecting sheet 12 is formed by compounding an elastic framework layer 26 and an elastic rubber layer 27, the elastic rubber layer 27 is positioned on the outer side of the elastic framework layer 26, the width of the elastic rubber layer 27 is greater than that of the elastic framework layer 26, the outer surface of the elastic rubber layer 27 is attached to the other radial side wall of the rectangular through hole 7, two side surfaces of the elastic rubber layer 27 are parallel to each other and are respectively attached to two axial side walls of the rectangular through hole 7, and the two side surfaces of the elastic framework layer 26 are not in contact with the two axial side walls of the rectangular through hole 7; the elastic frame layer 26 may be made of a thin sheet-like metal or metal alloy, such as copper sheet, stainless steel sheet, etc., for the purpose of supporting and shaping the elastic rubber layer 27 and preventing the elastic rubber layer 27 from being distorted.
Thinning structures 28 are arranged on two side faces of the elastic rubber layer 27, and the thinning structures 28 in the embodiment are gradually thickened from the outer surface of the elastic rubber layer 27 to the inner surface of the elastic rubber layer 27, so that the strength of the thinning structures 28 can be effectively ensured.
The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should be made within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a drum-shaped tooth type shaft coupling, includes first pivot (1), second pivot (2) and axle sleeve (3), first pivot (1) one end and second pivot (2) one end insert respectively in axle hole (4) both ends of axle sleeve (3) to with axle sleeve (3) meshing, its characterized in that: the middle part of the shaft sleeve (3) is provided with a hollow collecting box (5), the collecting box (5) is communicated with shaft holes (4) positioned at two sides of the collecting box, the peripheral wall of the collecting box (5) is provided with at least one exhaust pipe (6), the exhaust pipe (6) is provided with a rectangular through hole (7), the inner end of the rectangular through hole (7) is communicated with the collecting box (5), a spiral elastic collecting piece (12) is arranged in the rectangular through hole (7), the rectangular through hole (7) is blocked by the elastic collecting piece (12), the outer end of the elastic collecting piece (12) is arranged towards the inner end direction of the rectangular through hole (7) and is connected with the inner end of one side wall of the rectangular through hole (7), the elastic collecting piece (12) can gradually expand towards the outer end direction of the rectangular through hole (7) in the rectangular through hole (7) after being acted by external force, and make rectangle through-hole (7) switch on, the outer end department of rectangle through-hole (7) can be connected with closing cap (13) dismountably, all be equipped with elastic sealing circle (14) between the internal perisporium of shaft hole (4) both ends department and the corresponding periphery wall of first pivot (1) and second pivot (2), be equipped with inlet port (16) on the lateral wall of collecting box (5), be connected with plug cover (17) in inlet port (16) can be dismountably.
2. The drum tooth coupling of claim 1, wherein: the outer end of the elastic collecting piece (12) is connected to the inner end of one radial side wall of the rectangular through hole (7), the outer surface of the elastic collecting piece (12) is attached to the other radial side wall of the rectangular through hole (7), two side faces of the elastic collecting piece (12) are parallel to each other and are respectively attached to two axial side walls of the rectangular through hole (7), one axial side wall of the rectangular through hole (7) refers to the groove bottom face of the rectangular through hole (7) which is in a straight groove shape on the driving shaft sleeve (3A), the other axial side wall of the rectangular through hole (7) refers to the end face, facing the driving shaft sleeve (3A), of the flaky cover plate (9) on the driven shaft sleeve (3B), and the two radial side walls of the rectangular through hole (7) refer to the two opposite side walls left after the rectangular through hole (7) is removed from the two axial side walls, namely two opposite groove side walls of the rectangular through hole (7) part which is in the shape of a straight groove on the driving shaft sleeve (3A).
3. The drum tooth coupling of claim 2, wherein: the bending direction of the elastic collecting sheet (12) is the same as the rotation direction of the drum-shaped tooth type coupling.
4. The drum tooth coupling of claim 3, wherein: the inner end of the other radial side wall of the rectangular through hole (7) is connected with a supporting block (18), an arc supporting surface (19) is arranged on the supporting block (18), and the arc supporting surface (19) is attached to the outer surface of the elastic collecting piece (12).
5. The drum tooth coupling of claim 4, wherein: the supporting block (18) is also provided with a guide inclined plane (20), and the guide inclined plane (20) is tangent to the outer surface of the elastic collecting piece (12).
6. The drum tooth coupling of claim 4, wherein: the inner end of the other radial side wall of the rectangular through hole (7) is concave inwards and forms a rectangular fixing groove (21), the fixing groove (21) is opened towards the direction of the collecting box (5), the supporting block (18) is partially positioned in the fixing groove (21), two mutually parallel side walls of the fixing groove (21) are respectively provided with a clamping groove (22) which extends along the direction of the rectangular through hole (7), two parallel end faces of the supporting block (18) are respectively provided with a clamping strip (23) matched with the clamping groove (22), one end of the supporting block (18) towards the collecting box (5) is exposed out of the fixing groove (21) and is provided with a fixing plate (24), and the fixing plate (24) is fixedly connected to the exhaust pipe (6) at the inner end of the rectangular through hole (7).
7. The drum tooth coupling of claim 1, wherein: be equipped with a plurality of support bars (25) on closing cap (13), support bar (25) are located rectangle through-hole (7), just the free end of support bar (25) pastes with the surface of elasticity collection piece (12) mutually.
8. The drum tooth coupling of any one of claims 1-7, wherein: the elastic collecting sheet (12) is formed by compounding an elastic framework layer (26) and an elastic rubber layer (27), the elastic rubber layer (27) is located on the outer side of the elastic framework layer (26), the width of the elastic rubber layer (27) is larger than that of the elastic framework layer (26), the outer surface of the elastic rubber layer (27) is attached to the other radial side wall of the rectangular through hole (7), two side faces of the elastic rubber layer (27) are parallel to each other and are respectively attached to two axial side walls of the rectangular through hole (7), and the two side faces of the elastic framework layer (26) are not in contact with the two axial side walls of the rectangular through hole (7).
9. The drum tooth coupling of claim 8, wherein: two side faces of the elastic rubber layer (27) are provided with thinning structures (28).
10. The drum tooth coupling of claim 1, wherein: the exhaust pipes (6) are four, and the exhaust pipes (6) are circumferentially and uniformly distributed on the peripheral wall of the collecting box (5).
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| CN201911255660.3A CN110792700B (en) | 2019-12-10 | 2019-12-10 | Drum-shaped tooth type coupling |
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| CN201911255660.3A CN110792700B (en) | 2019-12-10 | 2019-12-10 | Drum-shaped tooth type coupling |
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| CN110792700B true CN110792700B (en) | 2021-09-03 |
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| DE19605889A1 (en) * | 1996-02-19 | 1997-08-21 | Bock Norman | Silo for bulk grains has taut inner rubber membrane covering base area |
| DE10003335A1 (en) * | 2000-01-27 | 2001-08-02 | Mannesmann Sachs Ag | Vibration damper with non-lubricated chamber and discharge openings for abraded particles |
| CN101279159A (en) * | 2008-06-10 | 2008-10-08 | 丹东北方环保工程有限公司 | Automatic cleaning screen filter |
| CN208919115U (en) * | 2018-10-13 | 2019-05-31 | 玉环青正机械有限公司 | The external ball cage of long life |
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| CN110792700A (en) | 2020-02-14 |
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