CN212297326U - Positioning and clamping device of heavy cross universal shaft - Google Patents
Positioning and clamping device of heavy cross universal shaft Download PDFInfo
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- CN212297326U CN212297326U CN202021044650.3U CN202021044650U CN212297326U CN 212297326 U CN212297326 U CN 212297326U CN 202021044650 U CN202021044650 U CN 202021044650U CN 212297326 U CN212297326 U CN 212297326U
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Abstract
The utility model discloses a positioning and clamping device of a heavy cross universal shaft, which comprises a transmission shaft fork, a universal joint fork and a cross shaft, wherein the bottom end of the transmission shaft fork is fixedly connected with a rotating arm, the bottom of the rotating arm is fixedly provided with a rotating shaft, the fork head end of the transmission shaft fork is fixedly connected with both ends of the cross shaft, the other two ends of the cross shaft are fixedly connected with the fork head end of the universal joint fork, and the outer walls of the transmission shaft fork and the fork head end of the universal joint fork are fixedly connected with bearing covers which are in threaded connection with fixing screws. The safety can be well guaranteed in the using process of the whole device.
Description
Technical Field
The utility model relates to a positioning and clamping device of cardan shaft, in particular to positioning and clamping device of heavy cross cardan shaft belongs to the positioning and clamping device technical field of cardan shaft.
Background
In recent years, due to the rapid development of production technology, the requirement on the torque transmission capacity of a cross universal shaft is continuously improved, the specification of the cross universal shaft is limited due to the limitation of space installation size, the positioning and clamping modes of a cross shaft which is a core part of the cross universal shaft are required to be improved as much as possible while the installation requirement of the cross universal shaft is met, and in the process of transmitting torque, the bottom of a bearing shell is stressed and abraded, so that the bearing shell is easily broken through, the bearing roller is easily damaged maliciously, and the occurrence of accidents such as sudden shutdown of a transmission mechanical system and the like is caused. In the use process of the heavy cross bearing, because the pressure and the use degree are too large, the cross shaft can generate the phenomena of position deviation and the like, and under the work of long-term high load, the cross shaft can also generate faults in an excessive wear state, so that the whole machine runs problematically, and great troubles are brought to life and production.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a positioning and clamping device of heavy cross cardan shaft to solve the positioning and clamping device's of the cardan shaft that proposes problem among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a positioning and clamping device of a heavy cross universal shaft comprises a transmission shaft fork, a universal joint fork and a cross shaft, wherein a rotating arm is fixedly connected to the bottom end of the transmission shaft fork, a positioning shaft is fixedly mounted at the bottom of the rotating arm, the fork head end of the transmission shaft fork is fixedly connected with two ends of the cross shaft, the other two ends of the cross shaft are fixedly connected with the fork head end of the universal joint fork, bearing covers are fixedly connected to the outer walls of the transmission shaft fork and the universal joint fork head end, and the bearing covers are in threaded connection with fixing screws;
the top of transmission shaft fork is fixed and is seted up the mounting hole, the top fixedly connected with rotation axis of swinging boom, the inside of rotation axis is evenly spread the ball.
As a preferred technical scheme of the utility model, the equal fixedly connected with yoke in both sides of universal joint fork, the bottom fixedly connected with base of universal joint fork, the top of the bottom fixed connection base of yoke, the fixed connecting hole of having seted up in top of yoke, the fixed multiunit screw hole of having seted up on the base.
As a preferred technical scheme of the utility model, the outer wall cover of cross is equipped with the protective housing, the equal fixed mounting in four group's tops of cross has the axle journal, the middle part fixed mounting of protective housing has the relief valve, the top fixed mounting of axle journal has the glib talker.
As a preferred technical scheme of the utility model, the one end of the inner wall fixed connection bracing piece of location axle, the outer wall of the other end fixed connection inner tube of bracing piece.
As a preferred technical scheme of the utility model, the outer wall cover of glib talker is equipped with the oil blanket, the top fixed mounting of oil blanket has the kingpin, the top fixed connection sleeve's of kingpin bottom.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a positioning and clamping device of heavy cross cardan shaft is different from ordinary cross cardan shaft, has the swinging boom at transmission shaft fork position design, can conveniently adjust the installation more in large-scale apparatus installation, practices thrift the plenty of time and promotes work efficiency.
Drawings
FIG. 1 is a front view of the device of the present invention;
FIG. 2 is a schematic view of a part of the universal joint yoke of the device of the present invention;
FIG. 3 is a partial cross-sectional view of the drive shaft yoke of the device of the present invention;
FIG. 4 is a schematic view of the positioning shaft structure of the device of the present invention;
fig. 5 is a schematic structural view of a cross shaft portion of the device of the present invention.
In the figure: 1. a transmission shaft fork; 101. a rotating arm; 102. a ball bearing; 103. mounting holes; 104. a rotating shaft; 2. a universal joint yoke; 201. a yoke; 202. connecting holes; 203. a base; 204. a threaded hole; 3. a cross shaft; 301. a journal; 302. a nozzle tip; 303. a protective shell; 304. a safety valve; 4. positioning the shaft; 401. an inner tube; 402. a support bar; 5. oil sealing; 6. a set screw; 7. a sleeve; 701. rolling needles; 8. and a bearing cover.
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. 1-5, the present invention provides a positioning and clamping device for heavy cross universal shaft, which comprises a transmission shaft yoke 1, a universal joint yoke 2 and a cross shaft 3, wherein the bottom end of the transmission shaft yoke 1 is fixedly connected with a rotating arm 101, the rotating arm 101 can rotate in a circumferential manner, the bottom of the rotating arm 101 is fixedly provided with a positioning shaft 4, the positioning shaft 4 can rotate, position and adjust the direction of the transmission shaft yoke 1 and position, the fork head end of the transmission shaft yoke 1 is fixedly connected with two ends of the cross shaft 3, the cross shaft 3 is respectively provided with four orthogonal extending ends, the other two ends of the cross shaft 3 are fixedly connected with the fork head end of the universal joint yoke 2, the outer walls of the fork head ends of the transmission shaft yoke 1 and the universal joint yoke 2 are both fixedly connected with bearing caps 8, the bearing caps 8 are provided with a plurality of openings, and the bearing caps 8 position and clamp the transmission shaft yoke 1 and the universal joint yoke 2 at the shaft neck 301, the bearing cover 8 is in threaded connection with the fixing screws 6, and the bearing cover 8 is fixedly connected with the fixing screws 6 through a plurality of groups.
Preferably, the equal fixedly connected with yoke 201 in both sides of universal joint fork 2, universal joint fork 2 is fixed between two yoke 201, the bottom fixedly connected with base 203 of universal joint fork 2, the top of the bottom fixedly connected with base 203 of yoke 201, universal joint fork 2 and yoke 201 are fixed at the middle part of base 203, connecting hole 202 has been seted up to the top of yoke 201 is fixed, connecting hole 202 just can pass journal 301 of cross 3, fixed multiunit screw hole 204 has been seted up on base 203, multiunit screw hole 204 can be firmly fixed with universal joint fork 2.
Preferably, the top of the transmission shaft fork 1 is fixedly provided with a mounting hole 103, the top end of the rotating arm 101 is fixedly connected with a rotating shaft 104, balls 102 are uniformly distributed in the rotating shaft 104, and the rotating shaft 104 is internally distributed with the balls 102 and can be freely rotated and adjusted, so that the transmission shaft fork 1 and the cross shaft 3 can be conveniently connected.
Preferably, the outer wall of the cross shaft 3 is sleeved with a protective shell 303, an oil pipeline is arranged inside the cross shaft 3, the protective shell 303 forms a closed space, shaft journals 301 are fixedly mounted at the top ends of four groups of the cross shaft 3, a safety valve 304 is fixedly mounted in the middle of the protective shell 303, the safety valve 304 is connected with the inner oil pipeline to supervise and protect the whole oil pipeline, oil nipples 302 are fixedly mounted at the top ends of the shaft journals 301, the oil nipples 302 are oil inlets, and the oil nipples 302 are embedded inside the shaft journals 301.
Preferably, the bottom fixedly connected with location axle 4 of swinging boom 101, location axle 4 can adjust the location and be convenient for transmission shaft fork 1 and cross 3 accurate connection, the one end of the inner wall fixed connection bracing piece 402 of location axle 4, the outer wall of the other end fixed connection inner tube 401 of bracing piece 402, bracing piece 402 plays the effect of buffering and location.
Preferably, the outer wall of the oil nozzle 302 is sleeved with an oil seal 5, the oil seal 5 closes the oil nozzle 302, a roller pin 701 is fixedly mounted at the top end of the oil seal 5, the top end of the roller pin 701 is fixedly connected with the bottom end of the sleeve 7, and the roller pin 701, the sleeve 7 and the bearing cover 8 axially position the transmission shaft yoke 1 and the universal joint yoke 2 under the fixation of the fixing screw 6.
When the positioning and clamping device is used, the cross shaft 3 is taken out, the oil nozzle 302 is opened for injecting oil, the state of the cross shaft 3 is checked, and the safety valve 304 can protect the oil seal 5 from being damaged due to the oil pressure problem; after the cross shaft 3 is checked, the mounting hole 103 in the transmission shaft fork 1 is connected with two ends of the cross shaft 3, the angle is adjusted by the rotating arm 101 and the rotating shaft 104, the roller pin 701 and the sleeve 7 are mounted between the cross shaft 3 and the transmission shaft fork 1, the transmission shaft fork 1 is axially positioned by the screw with the locking plate and the bearing cover 8, and the universal joint fork 2 is axially positioned in the same way.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The positioning and clamping device for the heavy cross universal shaft comprises a transmission shaft fork (1), a universal joint fork (2) and a cross shaft (3), and is characterized in that a rotating arm (101) is fixedly connected to the bottom end of the transmission shaft fork (1), a positioning shaft (4) is fixedly mounted at the bottom of the rotating arm (101), the two ends of the cross shaft (3) are fixedly connected to the fork head ends of the transmission shaft fork (1), the other two ends of the cross shaft (3) are fixedly connected to the fork head ends of the universal joint fork (2), bearing covers (8) are fixedly connected to the outer walls of the fork head ends of the transmission shaft fork (1) and the universal joint fork (2), and the bearing covers (8) are in threaded connection with fixing screws (6);
the top of the transmission shaft fork (1) is fixedly provided with a mounting hole (103), the top end of the rotating arm (101) is fixedly connected with a rotating shaft (104), and balls (102) are uniformly distributed in the rotating shaft (104).
2. The positioning and clamping device for the heavy-duty universal cross shaft according to claim 1, wherein: the universal joint fork is characterized in that fork arms (201) are fixedly connected to two sides of the universal joint fork (2), a base (203) is fixedly connected to the bottom end of the universal joint fork (2), the top end of the base (203) is fixedly connected to the bottom end of the fork arms (201), connecting holes (202) are fixedly formed in the top of the fork arms (201), and multiple groups of threaded holes (204) are fixedly formed in the base (203).
3. The positioning and clamping device for the heavy-duty universal cross shaft according to claim 1, wherein: the outer wall of the cross shaft (3) is sleeved with a protective shell (303), shaft necks (301) are fixedly mounted at the top ends of four groups of the cross shaft (3), a safety valve (304) is fixedly mounted in the middle of the protective shell (303), and oil nozzles (302) are fixedly mounted at the top ends of the shaft necks (301).
4. The positioning and clamping device for the heavy-duty universal cross shaft according to claim 1, wherein: the inner wall of the positioning shaft (4) is fixedly connected with one end of a supporting rod (402), and the other end of the supporting rod (402) is fixedly connected with the outer wall of the inner tube (401).
5. The positioning and clamping device for the heavy-duty universal cross shaft according to claim 3, wherein: the outer wall of the oil nozzle (302) is sleeved with an oil seal (5), the top end of the oil seal (5) is fixedly provided with a roller pin (701), and the top end of the roller pin (701) is fixedly connected with the bottom end of the sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021044650.3U CN212297326U (en) | 2020-06-09 | 2020-06-09 | Positioning and clamping device of heavy cross universal shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021044650.3U CN212297326U (en) | 2020-06-09 | 2020-06-09 | Positioning and clamping device of heavy cross universal shaft |
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| Publication Number | Publication Date |
|---|---|
| CN212297326U true CN212297326U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202021044650.3U Active CN212297326U (en) | 2020-06-09 | 2020-06-09 | Positioning and clamping device of heavy cross universal shaft |
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| CN (1) | CN212297326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113335378A (en) * | 2021-06-18 | 2021-09-03 | 上海因舜贸易有限公司 | Claw structure, integral front axle and refitting method |
-
2020
- 2020-06-09 CN CN202021044650.3U patent/CN212297326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113335378A (en) * | 2021-06-18 | 2021-09-03 | 上海因舜贸易有限公司 | Claw structure, integral front axle and refitting method |
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