CN216867966U - Engineering machine tool rotary platform bearing structure - Google Patents
Engineering machine tool rotary platform bearing structure Download PDFInfo
- Publication number
- CN216867966U CN216867966U CN202123076812.9U CN202123076812U CN216867966U CN 216867966 U CN216867966 U CN 216867966U CN 202123076812 U CN202123076812 U CN 202123076812U CN 216867966 U CN216867966 U CN 216867966U
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- Prior art keywords
- rack
- rotary platform
- plate
- transmission gear
- asynchronous motor
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- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000013016 damping Methods 0.000 claims description 16
- 230000006837 decompression Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 230000035939 shock Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011089 mechanical engineering Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model discloses a rotary platform supporting structure of engineering machinery, which comprises a base, a fixed plate and a supporting plate, wherein the fixed plate is composed of the base, the fixed plate, a fastening spring, a sliding chute, a clamping plate, a rack A, a transmission gear, a rack B, a three-phase asynchronous motor and a sliding block, the three-phase asynchronous motor is installed in the base, the power output end of the three-phase asynchronous motor is connected with the power input end of the transmission gear, the two sides of the transmission gear are respectively meshed with the rack A and the rack B, the bottom surfaces of the rack A and the rack B are movably connected with the surface of the fixed plate, one end of the rack A, far away from the transmission gear, is fixedly connected with the fixed plate, the size of the fixed structure of the supporting structure can be adjusted according to the size of the rotary platform to be supported, so that different rotary platforms can be fixed according to different conditions, and the pressure on the rotary platform can be increased by fastening the spring.
Description
Technical Field
The utility model relates to the technical field of mechanical engineering, in particular to a rotary platform supporting structure of engineering machinery.
Background
The rotary bearing is a novel mechanical part and comprises an inner ring, an outer ring, a rolling body and the like, and the rotary bearing is a large bearing capable of bearing comprehensive loads and can simultaneously bear larger axial and radial loads and overturning moment. The slewing bearing is also called as a slewing bearing, and is also called as: a rotary support and a rotary support. In English, the characters are called sliding bearing, sliding ring bearing, turn table bearing and sliding ring. Slewing bearings are widely used in modern industry, and are important transmission parts necessary for machines which need to perform relative slewing motion between two objects and simultaneously bear axial force, radial force and tilting moment. With the rapid development of the mechanical engineering industry, the slewing bearing engineering machinery and the light engineering machinery are widely applied.
Patent number CN202020226124.2 discloses an engineering machinery rotary platform supporting structure, which includes a rotary support, wherein at least two positioning reinforced parts are arranged on the bottom end surface of the outer ring of the rotary support, each positioning reinforced part is uniformly distributed on the bottom end surface of the outer ring of the rotary support, the positioning reinforced parts include an arc-shaped plate, the arc-shaped plate is arranged on the bottom end surface of the outer ring of the rotary support, the center line of the cross section of the arc-shaped plate is arc-shaped, the circle center of the circle where the center line of the cross section of the arc-shaped plate is located on the axis of the outer ring of the rotary support, and a preset number of protrusions are arranged on the outer end surface of the arc-shaped plate, so that the engineering machinery rotary platform supporting structure is easy to position and convenient to install when being installed; the bearing structure of the engineering machinery rotary platform is firm in the using process, and the joint is not easy to deform.
The supporting structure of the engineering machinery rotary platform has the following defects: in the use, the size of bearing structure can not be adjusted according to the size of a dimension of rotary platform when using, uses to have great limitation, can not satisfy the user demand under the multiple condition, and at the in-process of using, does not set up the buffer structure to rotary platform, easily leads to danger.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a supporting structure of a rotary platform of engineering machinery, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides an engineering machinery rotary platform supporting structure, includes the base, still includes fixed plate and backup pad, the fixed plate specifically comprises base, fixed plate, fastening spring, spout, splint, rack A, drive gear, rack B, three-phase asynchronous motor and slider, install three-phase asynchronous motor in the base, three-phase asynchronous motor, the power take off end of three-phase asynchronous motor is connected with drive gear's power input end, the drive gear both sides have meshed rack A and rack B respectively, rack A and rack B bottom surface and fixed plate surface swing joint, rack A keeps away from drive gear's one end and fixed plate fixed connection, the spout has been seted up at the fixed plate top, sliding connection has the slider in the spout, slider one side is through fastening spring and spout inner wall surface swing joint, the welding of slider top has the splint, the supporting plate is composed of pulleys, mounting grooves, connecting columns, pressure reducing plates, damping springs, through holes and sealed holes.
Further, the mounting groove has been seted up to fixed plate top surface, the backup pad bottom extends and gets into the mounting groove back fixedly connected with spliced pole, the welding of spliced pole bottom has the pressure reducing plate, the through-hole has been seted up on the pressure reducing plate, the bottom is provided with the airtight hole in the mounting groove, airtight hole intussuseption is filled with hydraulic oil, airtight hole bottom surface can be dismantled and is connected with damping spring, pressure reducing plate bottom extends and gets into airtight downthehole back and damping spring fixed connection, is provided with dual shock attenuation setting to rotary platform, can improve the security performance of using, comparatively is fit for promoting.
Furthermore, the fixed plate is provided with two sets, and two sets of the fixed plate uses drive gear to be the mirror image setting as the center, can accomplish the fixed of meeting dress structure through the fixed plate.
Furthermore, the power input end of the three-phase asynchronous motor is connected with the power output end of an external power supply, the size of the fixed structure can be adjusted through the three-phase asynchronous motor, and the use requirements under different conditions can be met.
Compared with the prior art, the utility model has the following beneficial effects: the rack A and the rack B are driven to move relatively by the meshing structure of the transmission gear and the rack A and the rack B, so that the fixing plate moves relatively until the clamping plate is contacted with the rotary platform, the clamping plate applies pressure to the sliding block, the fastening spring deforms, then the three-phase asynchronous motor is turned off by the control switch, the rotary platform is clamped by the clamping plate and is fixed, the size of the fixing structure of the supporting structure can be adjusted according to the size of the rotary platform to be supported, different rotary platforms can be fixed according to different conditions, the pressure on the rotary platform can be increased by the fastening spring, the fixing degree of the rotary platform can be effectively improved, the rotary platform is convenient to use, the use requirements under different conditions can be met, the dual damping setting of the rotary platform is arranged, and the use safety performance can be improved, is more suitable for popularization.
Drawings
Fig. 1 is a schematic perspective view of a supporting structure of a rotary platform of an engineering machine according to the present invention.
Fig. 2 is a schematic cross-sectional view of a three-dimensional structure of a supporting structure of a rotary platform of an engineering machine according to the present invention.
Fig. 3 is a partial schematic view of a supporting structure of a rotary platform of an engineering machine according to the present invention.
Fig. 4 is a schematic diagram of a sealed hole of a supporting structure of a rotary platform of an engineering machine according to the present invention.
Fig. 5 is a schematic view of a pressure reducing plate of a rotary platform supporting structure of an engineering machine according to the present invention.
FIG. 1, base; 2. a fixing plate; 201. a fastening spring; 202. a chute; 203. a splint; 204. a rack A; 205. a transmission gear; 206. a rack B; 207. a three-phase asynchronous motor; 208. a slider; 3. a support plate; 301. a pulley; 302. mounting grooves; 303. connecting columns; 304. a decompression plate; 305. a damping spring; 306. a through hole; 307. and (6) closing the hole.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1-5, an engineering machinery rotary platform supporting structure comprises a base 1, and further comprises a fixed plate 2 and a supporting plate 3, wherein the fixed plate 2 specifically comprises the base 1, the fixed plate 2, a fastening spring 201, a chute 202, a clamping plate 203, a rack a204, a transmission gear 205, a rack B206, a three-phase asynchronous motor 207 and a sliding block 208, the three-phase asynchronous motor 207 and the three-phase asynchronous motor 207 are installed in the base 1, a power output end of the three-phase asynchronous motor 207 is connected with a power input end of the transmission gear 205, the rack a204 and the rack B206 are respectively engaged on two sides of the transmission gear 205, bottom surfaces of the rack a204 and the rack B206 are movably connected with a surface of the fixed plate 2, one end of the rack a204, which is far away from the transmission gear 205, is fixedly connected with the fixed plate 2, the chute 202 is formed in the top of the fixed plate 2, and the sliding block 208 is slidably connected in the chute 202, slider 208 one side is through fastening spring 201 and spout 202 inner wall surface swing joint, the welding of slider 208 top has splint 203, backup pad 3 specifically comprises pulley 301, mounting groove 302, spliced pole 303, decompression board 304, damping spring 305, through-hole 306 and airtight hole 307.
Wherein, mounting groove 302 has been seted up to 2 top surfaces of fixed plate, 3 bottoms of backup pad extend and get into mounting groove 302 back fixedly connected with spliced pole 303, the welding of spliced pole 303 bottom has decompression board 304, through-hole 306 has been seted up on decompression board 304, the bottom is provided with closed hole 307 in mounting groove 302, the closed hole 307 intussuseption is filled with hydraulic oil, closed hole 307 bottom surface can be dismantled and is connected with damping spring 305, decompression board 304 bottom extends and gets into in the closed hole 307 back and damping spring 305 fixed connection, is provided with dual shock attenuation setting to rotary platform, can improve the security performance that uses, comparatively is fit for promoting.
Wherein, the fixed plate 2 is provided with two sets ofly, and two sets of fixed plate 2 uses drive gear 205 to be the mirror image setting as the center, can accomplish the fixed of meeting dress structure through fixed plate 2.
The power input end of the three-phase asynchronous motor 207 is connected with the power output end of an external power supply, the size of the fixed structure can be adjusted through the three-phase asynchronous motor 207, and the use requirements under different conditions can be met.
It should be noted that, the utility model is a supporting structure of a rotary platform of an engineering machine, when in operation, firstly, the supporting structure of the rotary platform is moved to a position to be used, then the rotary platform is placed on a supporting plate 3, then a three-phase asynchronous motor 207 is turned on through a control switch, so that a transmission gear 205 is driven to rotate, and then a rack A204 and a rack B206 are driven to move relatively through a meshing structure of the transmission gear 205, the rack A204 and the rack B206, so that a fixing plate 2 moves relatively, until a clamping plate 203 is contacted with the rotary platform, so that the clamping plate 203 applies pressure to a sliding block 208, so that a fastening spring 201 is deformed, then the three-phase asynchronous motor 207 is turned off through the control switch, and at the moment, the rotary platform is clamped by the clamping plate 203, so as to be fixed, the use requirements under different conditions can be met, after the rotary platform is placed on the supporting plate 3, the supporting plate 3 is pressed into the mounting groove 302, so that the damping shock absorption spring 305 deforms through the connecting column 303 and the pressure reduction plate 304, a piston in the damping shock absorption spring 305 moves up and down, oil in the damping shock absorption spring 305 cavity repeatedly flows into the other cavity from one cavity through different pores, friction between a hole wall and the oil and internal friction between oil molecules form damping force on vibration at the moment, vibration energy of the device is converted into oil heat energy, the oil heat energy is absorbed by the shock absorber and dissipated into the atmosphere, the safety of the device is improved, in the process that the damping shock absorption spring 305 deforms and releases energy, the pressure reduction plate 304 moves up and down in the hydraulic oil, the hydraulic oil passes through the through hole 306 on the pressure reduction plate, and a certain pressure difference is formed.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The supporting structure of the engineering machinery rotary platform comprises a base (1) and is characterized by further comprising a fixing plate (2) and a supporting plate (3), wherein the fixing plate (2) specifically comprises the base (1), the fixing plate (2), a fastening spring (201), a sliding chute (202), a clamping plate (203), a rack A (204), a transmission gear (205), a rack B (206), a three-phase asynchronous motor (207) and a sliding block (208), the base (1) is internally provided with the three-phase asynchronous motor (207), the power output end of the three-phase asynchronous motor (207) is connected with the power input end of the transmission gear (205), two sides of the transmission gear (205) are respectively meshed with the rack A (204) and the rack B (206), and the bottom surfaces of the rack A (204) and the rack B (206) are movably connected with the surface of the fixing plate (2), rack A (204) keeps away from the one end and fixed plate (2) fixed connection of drive gear (205), spout (202) have been seted up at fixed plate (2) top, sliding connection has slider (208) in spout (202), slider (208) one side is through fastening spring (201) and spout (202) inner wall surface swing joint, slider (208) top welding has splint (203), backup pad (3) specifically comprise pulley (301), mounting groove (302), spliced pole (303), decompression board (304), damping spring (305), through-hole (306) and closed hole (307).
2. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 1, wherein: mounting groove (302) have been seted up to fixed plate (2) top surface, backup pad (3) bottom extends and gets into mounting groove (302) back fixedly connected with spliced pole (303), spliced pole (303) bottom welding has decompression board (304), through-hole (306) have been seted up on decompression board (304), the bottom is provided with sealed hole (307) in mounting groove (302), sealed hole (307) intussuseption is filled with hydraulic oil, sealed hole (307) bottom surface can be dismantled and be connected with damping spring (305), decompression board (304) bottom extends and gets into interior back and damping spring (305) fixed connection in sealed hole (307).
3. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 1, wherein: the two groups of fixing plates (2) are arranged, and the two groups of fixing plates (2) are arranged in a mirror image mode by taking the transmission gear (205) as the center.
4. The supporting structure of the rotary platform of the engineering machinery as claimed in claim 1, wherein: and the power input end of the three-phase asynchronous motor (207) is connected with the power output end of an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123076812.9U CN216867966U (en) | 2021-12-09 | 2021-12-09 | Engineering machine tool rotary platform bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123076812.9U CN216867966U (en) | 2021-12-09 | 2021-12-09 | Engineering machine tool rotary platform bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216867966U true CN216867966U (en) | 2022-07-01 |
Family
ID=82128755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123076812.9U Expired - Fee Related CN216867966U (en) | 2021-12-09 | 2021-12-09 | Engineering machine tool rotary platform bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216867966U (en) |
-
2021
- 2021-12-09 CN CN202123076812.9U patent/CN216867966U/en not_active Expired - Fee Related
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| 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: 20220701 |