CN204041761U - There is the elastic dowel pin shaft coupling strengthening stability - Google Patents
There is the elastic dowel pin shaft coupling strengthening stability Download PDFInfo
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- CN204041761U CN204041761U CN201420328396.8U CN201420328396U CN204041761U CN 204041761 U CN204041761 U CN 204041761U CN 201420328396 U CN201420328396 U CN 201420328396U CN 204041761 U CN204041761 U CN 204041761U
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- coupling
- timing belt
- pin shaft
- dowel pin
- land
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Abstract
The utility model discloses a kind of elastic dowel pin shaft coupling with enhancing stability; The outer surface one_to_one corresponding of the land of the first half-coupling and the land of the second half-coupling is provided with teeth, and teeth profile of tooth is connected with Timing Belt; Timing Belt is open belts shape structure, the length direction that the band tooth of Timing Belt prolongs Timing Belt is symmetric and is at least provided with is 2, band tooth engages with teeth, the cross section of taking the lead of Timing Belt takes the shape of the letter U, the both sides of taking the lead at least symmetry are inlaid with one group of copper ring, the magnetic tape trailer side of Timing Belt is at least provided with first through hole, magnetic tape trailer with take the lead plug type and be connected and be fixedly connected with by nylon screw rod, nylon screw rod is connected with copper ring and the equal plug type of the first through hole; And it is rectangular strip projected parts that the center region on Timing Belt elongatedness direction is provided with cross section.Global design is novel, the force bearing point of increase, makes overall operation more steady, thus improves service time, reduce frequency of maintenance.
Description
Technical field
The utility model relates to a kind of transmission part, is specifically related to a kind of elastic dowel pin shaft coupling with enhancing stability.
Background technique
Elastic dowel pin shaft coupling requires higher operating mode by property, the drive line of the lifting gear of such as Hoisting Machinery definitely can not be selected, low speed load-bearing should not be used for and there is intense impact and vibrate larger drive line, also should not select for the radial and angle larger operating mode of skew and the lower drive line of installation precision, belong to superseded kind.Pin in elastic dowel pin shaft coupling axle is operationally in shearing and squeezed state, and its strength condition is exactly the crushing strength of shear strength on calculating elastic pin cross section and pin and pin-and-hole wall.
Elastic dowel pin shaft coupling is the pin utilizing some non-metallic elastic materials to make, and is placed in two half-coupling flange holes, realizes two half-couplings connect by pin, this coupler structure is simple, easy manufacture, it is more convenient that elastic element is changed in mounting or dismounting, need not move two coupling.Nylon 6 generally selected by the material of elastic element (pin), trace is had to compensate two axial lines excursion capability, sheared during elastic component work, functional reliability extreme difference, be only applicable to require very low middling speed drive line, be not suitable for and do to require higher operating mode by property by elastic dowel pin shaft coupling, the drive line of the lifting gear of such as Hoisting Machinery definitely can not be selected, low speed load-bearing should not be used for and there is intense impact and vibrate larger drive line, larger operating mode is offset for radial and angle and the lower drive line of installation precision also should not be selected, belong to and eliminate kind.Pin in elastic dowel pin shaft coupling axle is operationally in shearing and squeezed state, and its strength condition is exactly the crushing strength of shear strength on calculating elastic pin cross section and pin and pin-and-hole wall.Elastic dowel pin shaft coupling (GB5014-85) is suitable for the transmission system of various coaxial line, utilizes nylon rod transverse section shear strength transmitting torque, nominal torque 160-160000N.M, and operating temperature is-20 DEG C-80 DEG C.Structure is simple, has bumper and absorbing shock performance and certain axle offset compensation ability, and the occasion being adapted at the environment of not control noise uses.The radial 0.15-0.25mm angle 0.5 ° of compensation rate allowable.Concrete model has HL1, HL2, HL3, HL4, HL5, HL6, HL7, HL8, HL9, HL10, HL11, HL12, HL13, HL14
Axis hole pattern has cylindrical (Y), conical (Z) and short cylindrical shape (J).Axis hole and keyway are by the regulation processing of standard GB/T 3852-83 " coupling jack-post and keyway type and size ".Half-coupling adopts precision casting, cast iron HT20-40, cast steel ZG35 II, and axis hole and keyway adopt drawing shaping, and pin adopts MC nylon b to make.But it is large to find that in our every day use process the impact force of its initial operating stage can compare, so shine into straight pin distortion, impact uses, the problem that also discovery one is more common simultaneously, due to stressed be stressed on homonymy circular arc line, stressed side be very easy to wearing and tearing.
Summary of the invention
For above-mentioned prior art Problems existing, the utility model provides a kind of and has the elastic dowel pin shaft coupling strengthening stability.
To achieve these goals, the technical solution adopted in the utility model is: a kind of have the elastic dowel pin shaft coupling strengthening stability, comprise the first half-coupling and the second half-coupling, the land of the first half-coupling is fixedly connected with by straight pin with the land of the second half-coupling, and between straight pin and the second half-coupling, plug type is connected with nylon damping ring; The outer surface one_to_one corresponding of the land of the first half-coupling and the land of the second half-coupling is provided with teeth, and teeth profile of tooth is connected with Timing Belt; Timing Belt is open belts shape structure, the length direction that the band tooth of Timing Belt prolongs Timing Belt is symmetric and is at least provided with is 2, band tooth engages with teeth, the cross section of taking the lead of Timing Belt takes the shape of the letter U, the both sides of taking the lead at least symmetry are inlaid with one group of copper ring, the magnetic tape trailer side of Timing Belt is at least provided with first through hole, magnetic tape trailer with take the lead plug type and be connected and be fixedly connected with by nylon screw rod, nylon screw rod is connected with copper ring and the equal plug type of the first through hole; And it is rectangular strip projected parts that the center region on Timing Belt elongatedness direction is provided with cross section.
As preferably, teeth are positioned at the adjacent side of the land of the first half-coupling and the land of the second half-coupling.
As preferably, copper ring has 5 groups, and quantity is 10, is taking the lead the copper ring of both sides in being equally spaced.
As preferably, the first number of openings is 5, and equidistant vertical directional profile is in the side of magnetic tape trailer.
As preferably, the internal diameter of copper ring and the equal diameters of the first through hole, the centre distance between adjacent two copper rings is equal with the centre distance between adjacent two the first through holes.
As preferably, be at least provided with in band tooth one metal-cored.
As preferably, the lateral vertical orientation of strip projected parts lower half portion is inlaid with spring, and spring is in the side being equally distributed on strip projected parts.
As preferably, the running shaft connection part of the first half-coupling and the second half-coupling is provided with holding down bolt, and running shaft and the first half-coupling and the second half-coupling are that profile of tooth engages.
Compared with prior art, the utility model has the advantage of:
1. the outer surface one_to_one corresponding of the land of the first half-coupling and the land of the second half-coupling is provided with teeth, teeth profile of tooth is connected with Timing Belt, by increasing the extra power connections for rotating, what make minimizing straight pin is subject to force intensity, ensure normal stably operation, improve service time, reduce frequency of maintenance, reduce maintenance cost, solve simultaneously straight pin size restrictions and coupling size limit the rotation that brings from restriction, the elasticity of Timing Belt itself makes overall operation more steady;
2. Timing Belt is open belts shape structure, the length direction that the band tooth of Timing Belt prolongs Timing Belt is symmetric and is at least provided with is 2, band tooth engages with teeth, the cross section of taking the lead of Timing Belt takes the shape of the letter U, the both sides of taking the lead at least symmetry are inlaid with one group of copper ring, the magnetic tape trailer side of Timing Belt is at least provided with first through hole, magnetic tape trailer with take the lead plug type and be connected and be fixedly connected with by nylon screw rod, nylon screw rod is connected with copper ring and the equal plug type of the first through hole, removable connection, make installation more simple, change more simple, reduce maintenance cost and dead time, the use of nylon screw rod and copper ring adds join strength, decrease the generation of fracture,
3. it is rectangular strip projected parts that the center region on Timing Belt elongatedness direction is provided with cross section, strip projected parts is positioned among the gap of the land of the first half-coupling and the land of the second half-coupling, play the effect of positioning synchronous band, make Timing Belt lifting surface area in normal range (NR), avoid Timing Belt to offset and occur that lifting surface area reduces, thus the problem of fracture;
4. be with in tooth be at least provided with one metal-cored, be conducive to gaining in strength;
5. the lateral vertical orientation of strip projected parts lower half portion is inlaid with spring, and spring is in the side being equally distributed on strip projected parts, and positioning synchronous band, makes Timing Belt operate more steady simultaneously, reduce the vibrations of vertical surface;
6. global design is novel, the force bearing point of increase, makes overall operation more steady, thus improves service time, reduce frequency of maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model has the elastic dowel pin shaft coupling strengthening stability.
Fig. 2 is the Timing Belt structural representation that the utility model has the elastic dowel pin shaft coupling strengthening stability.
Fig. 3 is the A-A cross-sectional view that the utility model has the elastic dowel pin shaft coupling strengthening stability.
Fig. 4 is the Timing Belt deployed configuration schematic diagram that the utility model has the elastic dowel pin shaft coupling strengthening stability.
Fig. 5 is the B-A cross-sectional view that the utility model has the elastic dowel pin shaft coupling strengthening stability.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of have the elastic dowel pin shaft coupling strengthening stability, comprise the first half-coupling 1 and the second half-coupling 2, the land of the first half-coupling 1 is fixedly connected with by straight pin 3 with the land of the second half-coupling 2, and between straight pin 3 and the second half-coupling 2, plug type is connected with nylon damping ring 3, the outer surface one_to_one corresponding of the land of the first half-coupling 1 and the land of the second half-coupling 2 is provided with teeth 5, teeth 5 profile of tooth is connected with Timing Belt 6, by increasing the extra power connections for rotating, what make minimizing straight pin 3 is subject to force intensity, ensure normal stably operation, improve service time, reduce frequency of maintenance, reduce maintenance cost, solve simultaneously straight pin 3 size restrictions and coupling size limit the rotation that brings from restriction, the elasticity of Timing Belt 6 itself makes overall operation more steady, Timing Belt 6 is open belts shape structure, the length direction that the band tooth 65 of Timing Belt 6 prolongs Timing Belt 6 is symmetric and is at least provided with is 2, band tooth 65 engages with teeth 5, 61 cross sections of taking the lead of Timing Belt 6 take the shape of the letter U, take the lead 61 both sides at least symmetry be inlaid with one group of copper ring 611, magnetic tape trailer 62 side of Timing Belt 6 is at least provided with first through hole 621, magnetic tape trailer 62 with take the lead 61 plug types and be connected and be fixedly connected with by nylon screw rod 64, nylon screw rod 64 is connected with copper ring 611 and the equal plug type of the first through hole 621, removable connection, make installation more simple, change more simple, reduce maintenance cost and dead time, the use of nylon screw rod 64 and copper ring 611 adds join strength, decrease the generation of fracture, and it is rectangular strip projected parts 63 that the center region on Timing Belt 6 elongatedness direction is provided with cross section.Teeth 5 are positioned at the adjacent side of the land of the first half-coupling 1 and the land of the second half-coupling 2.Copper ring 611 has 5 groups, and quantity is 10, is taking the lead the copper ring 611 of 61 both sides in being equally spaced.First through hole 621 quantity is 5, and equidistant vertical directional profile is in the side of magnetic tape trailer 62.The internal diameter of copper ring 611 and the equal diameters of the first through hole 621, the centre distance between adjacent two copper rings 611 is equal with the centre distance between adjacent two the first through holes 621.One metal-cored 651 is at least provided with in band tooth 65.The lateral vertical orientation of strip projected parts 63 lower half portion is inlaid with spring 631, and spring 631 is in the side being equally distributed on strip projected parts 63, and positioning synchronous band 6, makes Timing Belt 6 operate more steady simultaneously, reduce the vibrations of vertical surface.The running shaft connection part of the first half-coupling 1 and the second half-coupling 2 is provided with holding down bolt, and running shaft and the first half-coupling 1 and the second half-coupling 2 engage for profile of tooth.
Nylon screw rod 64 and copper ring 611 can be threaded connection with as shown in Figure 3, and being conducive to increases join strength.In one embodiment, the outer surface one_to_one corresponding of the land of the first half-coupling 1 and the land of the second half-coupling 2 is provided with teeth 5, teeth 5 profile of tooth is connected with Timing Belt 6, by increasing the extra power connections for rotating, what make minimizing straight pin 3 is subject to force intensity, ensure normal stably operation, improve service time, reduce frequency of maintenance, reduce maintenance cost, solve simultaneously straight pin 3 size restrictions and coupling size limit the rotation that brings from restriction, the elasticity of Timing Belt 6 itself makes overall operation more steady.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.
Claims (8)
1. one kind has the elastic dowel pin shaft coupling strengthening stability, comprise the first half-coupling and the second half-coupling, the land of the first half-coupling is fixedly connected with by straight pin with the land of the second half-coupling, and between straight pin and the second half-coupling, plug type is connected with nylon damping ring; It is characterized in that: the outer surface one_to_one corresponding of the land of described first half-coupling and the land of the second half-coupling is provided with teeth, and teeth profile of tooth is connected with Timing Belt; Described Timing Belt is open belts shape structure, the length direction that the band tooth of Timing Belt prolongs Timing Belt is symmetric and is at least provided with is 2, band tooth engages with teeth, the cross section of taking the lead of Timing Belt takes the shape of the letter U, the both sides of taking the lead at least symmetry are inlaid with one group of copper ring, the magnetic tape trailer side of Timing Belt is at least provided with first through hole, magnetic tape trailer with take the lead plug type and be connected and be fixedly connected with by nylon screw rod, nylon screw rod is connected with copper ring and the equal plug type of the first through hole; And it is rectangular strip projected parts that the center region on described Timing Belt elongatedness direction is provided with cross section.
2. according to claim 1 have the elastic dowel pin shaft coupling strengthening stability, it is characterized in that: described teeth are positioned at the adjacent side of the land of the first half-coupling and the land of the second half-coupling.
3. according to claim 1 have strengthen the elastic dowel pin shaft coupling of stability, it is characterized in that: described copper ring has 5 groups, quantity is 10, is taking the lead the copper ring of both sides in being equally spaced.
4. according to claim 1 have the elastic dowel pin shaft coupling strengthening stability, it is characterized in that: described first number of openings is 5, and equidistant vertical directional profile is in the side of magnetic tape trailer.
5. the elastic dowel pin shaft coupling with enhancing stability according to claim 3 or 4, it is characterized in that: the internal diameter of described copper ring and the equal diameters of the first through hole, the centre distance between adjacent two copper rings is equal with the centre distance between adjacent two the first through holes.
6. according to claim 1 have strengthen the elastic dowel pin shaft coupling of stability, it is characterized in that: be at least provided with in described band tooth one metal-cored.
7. according to claim 1 have the elastic dowel pin shaft coupling strengthening stability, it is characterized in that: the lateral vertical orientation of described strip projected parts lower half portion is inlaid with spring, and spring is in the side being equally distributed on strip projected parts.
8. according to claim 1 have the elastic dowel pin shaft coupling strengthening stability, it is characterized in that: the running shaft connection part of described first half-coupling and the second half-coupling is provided with holding down bolt, running shaft and the first half-coupling and the second half-coupling are that profile of tooth engages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328396.8U CN204041761U (en) | 2014-06-19 | 2014-06-19 | There is the elastic dowel pin shaft coupling strengthening stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328396.8U CN204041761U (en) | 2014-06-19 | 2014-06-19 | There is the elastic dowel pin shaft coupling strengthening stability |
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| Publication Number | Publication Date |
|---|---|
| CN204041761U true CN204041761U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420328396.8U Expired - Fee Related CN204041761U (en) | 2014-06-19 | 2014-06-19 | There is the elastic dowel pin shaft coupling strengthening stability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422666A (en) * | 2015-12-20 | 2016-03-23 | 重庆赛力盟电机有限责任公司 | Elastic coupling for spline shaft |
-
2014
- 2014-06-19 CN CN201420328396.8U patent/CN204041761U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422666A (en) * | 2015-12-20 | 2016-03-23 | 重庆赛力盟电机有限责任公司 | Elastic coupling for spline shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20150619 |
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| EXPY | Termination of patent right or utility model |