CN211371074U - Wear-resisting cross universal coupling - Google Patents
Wear-resisting cross universal coupling Download PDFInfo
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- CN211371074U CN211371074U CN201921583107.8U CN201921583107U CN211371074U CN 211371074 U CN211371074 U CN 211371074U CN 201921583107 U CN201921583107 U CN 201921583107U CN 211371074 U CN211371074 U CN 211371074U
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- universal joint
- cross universal
- installation piece
- wear
- connecting rod
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Abstract
The utility model discloses a wear-resisting type cross universal joint, including second installation piece, damper and connecting rod, the loop bar is installed to the inboard of connecting rod, second cross universal joint is all installed to the one end of connecting rod and loop bar, and first cross universal joint is all installed to the one end of second cross universal joint, second cross universal joint's intermediate position department all is provided with the second cylindric lock, damper's bottom is provided with the connecting plate, and the bottom fixed connection of connecting plate is in the top of second installation piece. The utility model discloses a be provided with the connecting plate in damper's bottom, and the bottom fixed connection of connecting plate has realized when one end shaft coupling stop motion in the top of second installation piece, plays the effect of shock attenuation buffering to the shaft coupling of the other end to avoid the damage of shaft coupling.
Description
Technical Field
The utility model relates to a shaft coupling equipment technical field specifically is a wear-resisting type cross universal joint.
Background
The universal coupling utilizes the characteristics of the mechanism thereof to ensure that the two shafts are not on the same axis, can realize the continuous rotation of the two connected shafts under the condition of an included angle of the axes, and reliably transmit torque and motion; in the prior art, two ends of a universal coupling are often connected with a power device and an output device, when the power device at one end of the universal coupling stops providing power, the output device at the other end of the universal coupling often continues to move for a period of time due to inertia and is often stopped, and a damping or buffering device is often lacked on the conventional universal coupling, so that the conventional universal coupling is easily damaged, the service life of the coupling is shortened, and the maintenance and repair cost is increased;
and the existing wear-resistant cross universal coupling does not have the functions of wear resistance, shock absorption, buffering and good lubricating effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wear-resisting type cross universal joint to the current wear-resisting type cross universal joint who proposes in solving above-mentioned background does not have wear-resisting, shock attenuation buffering and lubricated effectual functional problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wear-resisting type cross universal joint, includes second installation piece, damper and connecting rod, the loop bar is installed to the inboard of connecting rod, second cross universal joint is all installed to the one end of connecting rod and loop bar, and first cross universal joint is all installed to the one end of second cross universal joint, second cross universal joint's intermediate position department all is provided with the second cylindric lock, damper's bottom is provided with the connecting plate, and the bottom fixed connection of connecting plate is in the top of second installation piece.
Preferably, the outer wall of the loop bar is provided with an external thread, and the inner wall of the connecting bar is provided with an internal thread.
Preferably, the inner walls of the two sides of the first cross universal joint are provided with first cylindrical pins, the outer side of each first cylindrical pin is provided with a self-lubricating bearing sleeve, the two sides of one end of the first cross universal joint outside the self-lubricating bearing sleeve are fixedly connected with shaft lugs through second fastening bolts, and key grooves are formed between the bottom ends of the shaft lugs and the top end of the first cross universal joint.
Preferably, the second installation piece is installed to first cross universal joint's outer wall, and the one end of second installation piece all installs flexible buffering diaphragm, first installation piece is all installed to flexible buffering diaphragm's one end, and the top of first installation piece evenly installs first fastening bolt to the bottom of first fastening bolt all extends to the bottom of second installation piece.
Preferably, the fixing heads are installed at one ends of the first installation blocks, and grooves are uniformly formed in the outer walls of the fixing heads.
Preferably, damper is installed on the top of first cross universal joint bottom second installation piece, and the second spring is all installed to both sides between the inner wall of damper both ends, the fixed block is installed to the inside bottom of damper, and the inboard on fixed block top installs first spring, the top of first spring is provided with the arch, and the both sides on damper top all install third fastening bolt to the inboard of fixed block is all extended to third fastening bolt's bottom.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) by installing the damping mechanism, the connecting plate, the bulge, the first mounting block, the flexible buffer membrane, the second mounting block, the second spring and the first spring are further arranged in the cavity enclosed between the damping mechanism and the connecting plate, when the power device at one end of the universal coupling stops providing power and the output device at the other end of the universal coupling does inertial motion, the damping is gradually attenuated under the elastic buffer action of the bulge and the second spring, the universal coupling is prevented from being damaged, the service life of the coupling is prolonged, the maintenance and repair cost is reduced, the flexible buffer membrane is further arranged between the first mounting block and the second mounting block, and the elastic buffer performance of the universal coupling is further enhanced;
(2) meanwhile, the device is provided with a second cylindrical pin and a self-lubricating bearing sleeve, and the second cylindrical pin is matched with the self-lubricating bearing sleeve to form a pair of self-lubricating bearings, the self-lubricating bearing sleeve is made of graphite powder metallurgy materials, has self-lubricating and impact-resistant properties, and can be adapted to workplaces with severe conditions or incapable of maintenance;
(3) the device is through installing the recess simultaneously, when using, can put into the recess with emollient inside, improves the degree of lubrication to guarantee the safe and smooth and easy use of cross axle universal joint, groove structure is favorable to better depositing emollient when using cross axle universal joint, and recess inner structure polishing strengthens its smoothness, makes lubricating liquid can freely circulate, has improved the abrasion resistance.
Drawings
FIG. 1 is a schematic cross-sectional view of the device of the present invention;
FIG. 2 is a schematic view of the shaft fork structure of the present invention;
FIG. 3 is a schematic structural view of the buffering mechanism of the present invention;
fig. 4 is an enlarged schematic view of the structure at a of the present invention;
in the figure: 1. a groove; 2. a first cross universal joint; 3. a first cylindrical pin; 4. a flexible buffer membrane; 5. a first fastening bolt; 6. a fixed head; 7. a first mounting block; 8. a second mounting block; 9. a second cylindrical pin; 10. a loop bar; 11. a connecting rod; 12. a second cross universal joint; 13. a damping mechanism; 14. a connecting plate; 15. a second fastening bolt; 16. a shaft lug; 17. a self-lubricating bearing sleeve; 18. a keyway; 19. a first spring; 20. a protrusion; 21. a second spring; 22. a fixed block; 23. a third fastening bolt; 24. an external thread; 25. an internal thread.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a wear-resistant cross universal coupling comprises a second mounting block 8, a damping mechanism 13 and a connecting rod 11, wherein a loop bar 10 is mounted on the inner side of the connecting rod 11;
the outer wall of the loop bar 10 is provided with an external thread 24, and the inner wall of the connecting bar 11 is provided with an internal thread 25;
one end of each of the connecting rod 11 and the loop bar 10 is provided with a second cross universal joint 12, one end of each of the second cross universal joints 12 is provided with a first cross universal joint 2, and the middle position of each of the second cross universal joints 12 is provided with a second cylindrical pin 9;
the inner walls of two sides of the first cross universal joint 2 are respectively provided with a first cylindrical pin 3, the outer side of each first cylindrical pin 3 is provided with a self-lubricating bearing sleeve 17, two sides of one end of the first cross universal joint 2 outside each self-lubricating bearing sleeve 17 are respectively fixedly connected with a shaft lug 16 through a second fastening bolt 15, and a key groove 18 is formed between the bottom end of each shaft lug 16 and the top end of the first cross universal joint 2;
a second mounting block 8 is mounted on the outer wall of the first cross universal joint 2, a flexible buffer diaphragm 4 is mounted at one end of each second mounting block 8, a first mounting block 7 is mounted at one end of each flexible buffer diaphragm 4, first fastening bolts 5 are uniformly mounted at the top end of each first mounting block 7, and the bottom ends of the first fastening bolts 5 extend to the bottom end of each second mounting block 8;
one end of each first mounting block 7 is provided with a fixing head 6, and the outer walls of the fixing heads 6 are uniformly provided with grooves 1;
the damping mechanism 13 is mounted at the top end of the second mounting block 8 at the bottom end of the first cross universal joint 2, the second springs 21 are mounted on two sides between the inner walls of two ends of the damping mechanism 13, the fixing block 22 is mounted at the bottom end inside the damping mechanism 13, the first spring 19 is mounted on the inner side of the top end of the fixing block 22, the top end of the first spring 19 is provided with a bulge 20, the third fastening bolts 23 are mounted on two sides of the top end of the damping mechanism 13, and the bottom ends of the third fastening bolts 23 extend to the inner side of the fixing block 22;
the bottom end of the damping mechanism 13 is provided with a connecting plate 14, and the bottom end of the connecting plate 14 is fixedly connected to the top end of the second mounting block 8.
The working principle is as follows: when in use, a cavity enclosed between the damping mechanism 13 and the connecting plate 14 is also provided with a second spring 21 and a first spring 19, when the power device at one end of the universal coupling stops providing power and the output device at the other end of the universal coupling does inertial motion, the damping is gradually attenuated under the elastic buffer action of the bulge 20 and the second spring 21, the damage to the universal coupling is avoided, the service life of the coupling is prolonged, the maintenance and repair cost is reduced, a flexible buffer membrane 4 is also arranged between the first mounting block 7 and the second mounting block 8, the elastic buffer performance of the cross universal coupling is further enhanced, the second cylindrical pin 9 is matched with a self-lubricating bearing sleeve 17 to form a pair of self-lubricating bearings, the self-lubricating bearing sleeve 17 is made of graphite powder metallurgy material, has self-lubricating and impact-resistant performances, and can adapt to the workplaces with severe conditions or incapable of maintenance, when using, can put into 1 insides of recess with emollient, improve the degree of lubrication to guarantee the safe and smooth and easy use of cross axle universal joint, 1 structures of recess are favorable to better depositing emollient when using cross axle universal joint, and the polishing of 1 inner structure of recess strengthens its smoothness, makes lubricating liquid can freely circulate, has improved the abrasion resistance.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a wear-resisting type cross universal joint, includes second installation piece (8), damper (13) and connecting rod (11), its characterized in that: loop bar (10) are installed to the inboard of connecting rod (11), second cross universal joint (12) are all installed to the one end of connecting rod (11) and loop bar (10), and first cross universal joint (2) are all installed to the one end of second cross universal joint (12), the intermediate position department of second cross universal joint (12) all is provided with second cylindric lock (9), the bottom of damper (13) is provided with connecting plate (14), and the bottom fixed connection of connecting plate (14) is in the top of second installation piece (8).
2. A wear-resistant cross universal joint coupling as claimed in claim 1, wherein: the outer wall of the loop bar (10) is provided with an external thread (24), and the inner wall of the connecting bar (11) is provided with an internal thread (25).
3. A wear-resistant cross universal joint coupling as claimed in claim 1, wherein: the inner walls of two sides of the first cross universal joint (2) are provided with first cylindrical pins (3), the outer side of each first cylindrical pin (3) is provided with a self-lubricating bearing sleeve (17), two sides of one end of the first cross universal joint (2) on the outer side of each self-lubricating bearing sleeve (17) are fixedly connected with shaft lugs (16) through second fastening bolts (15), and key grooves (18) are formed between the bottom ends of the shaft lugs (16) and the top end of the first cross universal joint (2).
4. A wear-resistant cross universal joint coupling as claimed in claim 1, wherein: second installation piece (8) are installed to the outer wall of first cross universal joint (2), and the one end of second installation piece (8) all installs flexible buffering diaphragm (4), first installation piece (7) are all installed to the one end of flexible buffering diaphragm (4), and the top of first installation piece (7) evenly installs first fastening bolt (5) to the bottom of first fastening bolt (5) all extends to the bottom of second installation piece (8).
5. A wear-resistant cross universal joint coupling as claimed in claim 4, wherein: fixing heads (6) are installed at one ends of the first installation blocks (7), and grooves (1) are uniformly formed in the outer walls of the fixing heads (6).
6. A wear-resistant cross universal joint coupling as claimed in claim 1, wherein: damping mechanism (13) are installed on the top of first cross universal joint (2) bottom second installation piece (8), and second spring (21) are all installed to both sides between damping mechanism (13) both ends inner wall, fixed block (22) are installed to the inside bottom on damping mechanism (13), and the inboard on fixed block (22) top installs first spring (19), the top of first spring (19) is provided with arch (20), and third fastening bolt (23) are all installed to the both sides on damping mechanism (13) top to the bottom of third fastening bolt (23) all extends to the inboard of fixed block (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921583107.8U CN211371074U (en) | 2019-09-23 | 2019-09-23 | Wear-resisting cross universal coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921583107.8U CN211371074U (en) | 2019-09-23 | 2019-09-23 | Wear-resisting cross universal coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211371074U true CN211371074U (en) | 2020-08-28 |
Family
ID=72151017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921583107.8U Active CN211371074U (en) | 2019-09-23 | 2019-09-23 | Wear-resisting cross universal coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211371074U (en) |
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2019
- 2019-09-23 CN CN201921583107.8U patent/CN211371074U/en active Active
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