CN211449523U - Rotary speed reducer for excavator - Google Patents
Rotary speed reducer for excavator Download PDFInfo
- Publication number
- CN211449523U CN211449523U CN202020059967.8U CN202020059967U CN211449523U CN 211449523 U CN211449523 U CN 211449523U CN 202020059967 U CN202020059967 U CN 202020059967U CN 211449523 U CN211449523 U CN 211449523U
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- Prior art keywords
- fixed
- rotating rod
- gear
- base
- reduction gear
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 230000009467 reduction Effects 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 239000011435 rock Substances 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model discloses a rotary speed reducer for a digging machine, which comprises a base, a motor, a first rotating rod, a cover body, a first gear, a second rotating rod, a fixed shaft, a control panel, a power line, an anti-separation mechanism and a reinforcing device, the rotary speed reducer for the excavator is provided with the anti-separation mechanism, and is buffered by the torsion spring and the gasket when rotating after being installed, so that the received torsion wave power is reduced, the steel balls in the bearing can ensure the stability of power transmission, the problem that when the speed reducer is connected with an external machine for transmission, an output shaft is easy to separate due to external force, and potential safety hazards exist is solved, through having set up reinforcing apparatus, when the second dwang rotated, can compress tightly through the both sides gyro wheel and increase the fixity, reduce and rock, solved the output shaft and rocked the collision easily when rotating, rocked the collision for a long time and can make the cracked problem of output shaft easily.
Description
Technical Field
The utility model relates to a speed reducer field of being correlated with specifically is a rotary speed reducer for digging machine.
Background
The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery.
When the excavator works, a rotary speed reducer is required to reduce the speed, but when the existing speed reducer is connected with external machinery for transmission, an output shaft is easy to separate due to external force, potential safety hazards exist, the output shaft is easy to shake and collide when rotating, and the output shaft is easy to break when shaking and colliding for a long time.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned insufficiency, the utility model provides a rotary speed reducer for digging machine herein.
The utility model discloses a realize like this, construct a rotary speed reducer for digging machine, the device includes the base, the base passes through bolt locking with the motor bottom, motor output shaft fixes with first dwang, first dwang and cover body left side normal running fit to first dwang middle part is fixed with first gear, first gear left side and second gear intermeshing to first gear middle part is fixed with the second dwang, second dwang rear portion is through fixed axle and cover body normal running fit, the base is fixed bottom control panel to the control panel right side is closely stretched into by the power cord, the motor passes through control panel and is connected with the power cord electricity, second dwang front end is fixed with anti-disengaging mechanism, the base is fixed with reinforcing apparatus bottom is vertical, anti-disengaging mechanism is by mounting disc, The mounting disc comprises a gasket, a torsion spring, a shaft sleeve, a bearing, a steel ball and a fixing block, wherein the front end of the mounting disc is fixed with the gasket, two ends of the torsion spring are fastened with the gasket and the shaft sleeve respectively, the left side of the bearing is fastened with the shaft sleeve, two ends of the steel ball are matched with the bearing and the fixing block in a rotating mode respectively, the reinforcing device comprises a mounting column, a groove, a spring, a fixing frame and a roller, the bottom of the mounting column is vertically fixed with a base, the groove is formed in the middle of the mounting column, arc welding is carried out on two ends of the spring with the groove and the fixing frame respectively, and.
Preferably, the reinforcing means is provided in two, and the two reinforcing means are installed symmetrically to each other.
Preferably, the right side of the bearing is provided with a sliding groove, and the radian of the sliding groove is the same as that of the steel ball.
Preferably, the steel balls are arranged more than two, and each steel ball is arranged at equal intervals.
Preferably, the diameter of the fixed block is the same as that of the second rotating rod, and the second rotating rod and the fixed block are arranged in parallel.
Preferably, the length-width ratio of the mounting column is 3:2, and the mounting angle between the bottom of the mounting column and the base is 90 degrees.
Preferably, the depth of the groove is two thirds of the thickness of the mounting post, and the mounting post and the groove are arranged parallel to each other.
Preferably, the middle part of the fixed frame is provided with a rotating shaft, and the rotating shaft and the fixed frame are arranged in parallel.
Preferably, the outer ring of the roller is provided with a rubber pad, and the thickness of the rubber pad is 0.2 cm.
Preferably, the steel balls are made of stainless steel.
The utility model has the advantages of as follows: the utility model discloses an improve and provide a rotary reducer for digging machine here, compare with equipment of the same type, have following improvement:
the method has the advantages that: a slewing reducer for digging machine, through having set up anti-disengaging mechanism, when rotating after the installation, cushions by torque spring and packing ring, reduces the torsion wave power that receives, and the stability of power transmission can be ensured to the steel ball in the bearing, when having solved speed reducer and outside mechanical connection transmission, causes the output shaft to break away from because of external force easily, has the problem of potential safety hazard.
The method has the advantages that: a slewing reducer for digging machine, through having set up reinforcing apparatus, when the second dwang rotates, can compress tightly through the both sides gyro wheel and increase the fixity, the reduction is rocked, has solved the output shaft and has rocked the collision easily when rotating, rocks the collision for a long time and can make the cracked problem of output shaft easily.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a first gear structure of the present invention;
fig. 3 is a schematic top view of the fixing shaft of the present invention;
FIG. 4 is a schematic structural view of the separation preventing mechanism of the present invention;
fig. 5 is a schematic structural view of the reinforcing apparatus of the present invention.
Wherein: the device comprises a base-1, a motor-2, a first rotating rod-3, a cover body-4, a first gear-5, a second gear-6, a second rotating rod-7, a fixed shaft-8, a control panel-9, a power line-10, an anti-disengaging mechanism-11, a reinforcing device-12, a mounting disc-111, a gasket-112, a torsion spring-113, a shaft sleeve-114, a bearing-115, a steel ball-116, a fixed block-117, a mounting column-121, a groove-122, a spring-123, a fixed frame-124 and a roller-125.
Detailed Description
The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.
The utility model discloses an improve and provide a rotary speed reducer for digging machine here, the on-line screen storage device comprises a base 1, base 1 passes through bolt locking bottom motor 2, motor 2 output shaft fixes with first dwang 3, first dwang 3 and the cover body 4 left side normal running fit, and first dwang 3 middle part is fixed with first gear 5, first gear 5 left side and second gear 6 intermeshing, and first gear 5 middle part is fixed with second dwang 7, second dwang 7 rear portion is through fixed axle 8 and cover body 4 normal running fit, base 1 is fixed bottom control panel 9, and control panel 9 right side is closely stretched into by power cord 10, motor 2 is connected with power cord 10 electricity through control panel 9, second dwang 7 front end is fixed with anti-disengaging mechanism 11, base 1 and the vertical fixing in reinforcing apparatus 12 bottom, anti-disengaging mechanism 11 is by mounting disc 111, The reinforcing device comprises a gasket 112, a torsion spring 113, a shaft sleeve 114, a bearing 115, a steel ball 116 and a fixing block 117, wherein the front end of a mounting disc 111 is fixed with the gasket 112, two ends of the torsion spring 113 are respectively fastened with the gasket 112 and the shaft sleeve 114, the left side of the bearing 115 is fastened with the shaft sleeve 114, two ends of the steel ball 116 are respectively in running fit with the bearing 115 and the fixing block 117, the reinforcing device 12 comprises a mounting column 121, a groove 122, a spring 123, a fixing frame 124 and a roller 125, the bottom of the mounting column 121 is vertically fixed with a base 1, the groove 122 is arranged in the middle of the mounting column 121, two ends of the spring 123 are respectively in arc welding with the groove 122 and the fixing frame 124, the arc welding can increase the fixity.
Further, two reinforcing devices 12 are arranged, and the two reinforcing devices 12 are symmetrically arranged with each other, so that the reinforcement is better performed.
Furthermore, the right side of the bearing 115 is provided with a sliding groove, and the radian of the sliding groove is the same as that of the steel balls 116, so that the rotation is smoother.
Further, the steel balls 116 are provided with more than two steel balls 116, and each steel ball 116 is arranged at equal distance and can rotate simultaneously.
Further, the diameter of the fixing block 117 is the same as that of the second rotating rod 7, and the second rotating rod 7 and the fixing block 117 are installed in parallel to each other, so that the fixing can be performed well.
Furthermore, the length-width ratio of the mounting column 121 is 3:2, and the mounting angle between the bottom of the mounting column 121 and the base 1 is 90 degrees, so that the mounting is more stable.
Further, the depth of the groove 122 is two thirds of the thickness of the mounting post 121, and the mounting post 121 and the groove 122 are arranged in parallel, so that the spring can be mounted better.
Further, a rotating shaft is arranged in the middle of the fixing frame 124, and the rotating shaft and the fixing frame 124 are installed in parallel, so that the roller can rotate better.
Further, a rubber pad is arranged on the outer ring of the roller 125, the thickness of the rubber pad is 0.2cm, and the roller is not easy to slip when being clamped.
Furthermore, the steel balls 116 are made of stainless steel, so that the steel balls are not easy to rust after long-term use.
The utility model provides a rotary speed reducer for a digging machine through improvement, and the working principle is as follows;
firstly, after a power line 10 is connected, a control panel 9 is used for starting a motor 2 at the upper end of a base 1 to work, so that the motor 2 drives a first gear 5 to rotate through a first rotating rod 3, and a second gear 6 in a cover body 4 drives a second rotating rod 7 to rotate;
secondly, after an external machine is connected with the second rotating rod 7, the second rotating rod 7 rotates under the fixation of the fixed shaft 8;
thirdly, when the mounting plate rotates after being mounted, the torsion spring 113 and the washer 112 on the right side of the mounting plate 111 buffer the torsion wave power, and then the steel balls 116 in the bearing 115 fixed by the shaft sleeve 114 rotate, so that the power transmission stability of the fixing block 117 can be ensured;
fourthly, when the second rotating rod 7 rotates, the second rotating rod can be pressed by the rollers 125 at both sides, and the spring 123 in the groove 122 presses the second rotating rod to increase the fixing property, so that the second rotating rod is reduced in shaking, the fixing frame 124 plays a role in fixing the rollers 125, and the mounting post 121 plays a main mounting role.
The utility model discloses an improvement provides a slewing reducer for digging machine, through having set up anti-disengaging mechanism 11, when rotating after the installation, cushion by torque spring 113 and packing ring 112, reduce the torsion wave power that receives, steel ball 116 in the bearing 115 can ensure power transmission's stability, when having solved the speed reducer and being connected the transmission with outside machinery, cause the output shaft to break away from because of external force easily, there is the problem of potential safety hazard, through having set up reinforcing apparatus 12, when second dwang 7 rotates, can compress tightly through both sides gyro wheel 125 and increase the fixity, the reduction is rocked, the output shaft has been solved and the collision is rocked easily when rotating, rock the collision for a long time and can make the cracked problem of output shaft easily.
The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A rotary speed reducer for a digging machine comprises a base (1), wherein the base (1) is locked with the bottom of a motor (2) through a bolt, the output shaft of the motor (2) is fixed with the first rotating rod (3), the first rotating rod (3) is rotationally matched with the left side of the cover body (4), the middle part of the first rotating rod (3) is fixed with a first gear (5), the left side of the first gear (5) is meshed with a second gear (6), and the middle part of the first gear (5) is fixed with the second rotating rod (7), the rear part of the second rotating rod (7) is in running fit with the cover body (4) through a fixed shaft (8), the base (1) is fixed with the bottom of the control panel (9), the right side of the control panel (9) is tightly extended by a power line (10), and the motor (2) is electrically connected with the power line (10) through the control panel (9);
the method is characterized in that: the front end of the second rotating rod (7) is fixed with the anti-separation mechanism (11), the base (1) is vertically fixed with the bottom of the reinforcing device (12), the anti-separation mechanism (11) is composed of a mounting disc (111), a gasket (112), a torsion spring (113), a shaft sleeve (114), a bearing (115), a steel ball (116) and a fixing block (117), the front end of the mounting disc (111) is fixed with the gasket (112), two ends of the torsion spring (113) are respectively fastened with the gasket (112) and the shaft sleeve (114), the left side of the bearing (115) is fastened with the shaft sleeve (114), two ends of the steel ball (116) are respectively in running fit with the bearing (115) and the fixing block (117), the reinforcing device (12) is composed of a mounting column (121), a groove (122), a spring (123), a fixing frame (124) and a roller (125), erection column (121) bottom and base (1) vertical fixed, erection column (121) middle part is seted up in recess (122), spring (123) both ends carry out arc welding with recess (122) and fixed frame (124) respectively, gyro wheel (125) are through pivot and fixed frame (124) normal running fit.
2. A rotary reduction gear for excavators according to claim 1, characterized in that: the two reinforcing devices (12) are arranged, and the two reinforcing devices (12) are symmetrically arranged with each other.
3. A rotary reduction gear for excavators according to claim 1, characterized in that: the right side of the bearing (115) is provided with a sliding groove, and the radian of the sliding groove is the same as that of the steel ball (116).
4. A rotary reduction gear for excavators according to claim 1, characterized in that: the steel balls (116) are arranged in more than two numbers, and each steel ball (116) is arranged in an equal distance.
5. A rotary reduction gear for excavators according to claim 1, characterized in that: the diameter of the fixed block (117) is the same as that of the second rotating rod (7), and the second rotating rod (7) and the fixed block (117) are arranged in parallel.
6. A rotary reduction gear for excavators according to claim 1, characterized in that: the length-width ratio of the mounting column (121) is 3:2, and the mounting angle between the bottom of the mounting column (121) and the base (1) is 90 degrees.
7. A rotary reduction gear for excavators according to claim 1, characterized in that: the depth of the groove (122) is two thirds of the thickness of the mounting column (121), and the mounting column (121) and the groove (122) are arranged in parallel.
8. A rotary reduction gear for excavators according to claim 1, characterized in that: the middle part of the fixed frame (124) is provided with a rotating shaft, and the rotating shaft and the fixed frame (124) are arranged in parallel.
9. A rotary reduction gear for excavators according to claim 1, characterized in that: and a rubber pad is arranged on the outer ring of the roller (125), and the thickness of the rubber pad is 0.2 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020059967.8U CN211449523U (en) | 2020-01-13 | 2020-01-13 | Rotary speed reducer for excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020059967.8U CN211449523U (en) | 2020-01-13 | 2020-01-13 | Rotary speed reducer for excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211449523U true CN211449523U (en) | 2020-09-08 |
Family
ID=72321186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020059967.8U Expired - Fee Related CN211449523U (en) | 2020-01-13 | 2020-01-13 | Rotary speed reducer for excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211449523U (en) |
-
2020
- 2020-01-13 CN CN202020059967.8U patent/CN211449523U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 |