CN216227859U - Side formula pressure device convenient to bearing installation - Google Patents
Side formula pressure device convenient to bearing installation Download PDFInfo
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- CN216227859U CN216227859U CN202122233583.0U CN202122233583U CN216227859U CN 216227859 U CN216227859 U CN 216227859U CN 202122233583 U CN202122233583 U CN 202122233583U CN 216227859 U CN216227859 U CN 216227859U
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- hydraulic cylinder
- fixedly connected
- sleeve
- supporting platform
- piston rod
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Abstract
The utility model relates to a side type pressure device convenient for bearing installation, which comprises a workbench, wherein a first base and a second base which are symmetrically arranged are fixedly connected to the workbench, a first hydraulic cylinder is fixedly connected to the first base, a first sleeve is fixedly connected to a piston rod of the first hydraulic cylinder, a second hydraulic cylinder is fixedly connected to the second base, the first hydraulic cylinder and the second hydraulic cylinder are symmetrically arranged, a second sleeve is fixedly connected to a piston rod of the second hydraulic cylinder, the axis of the piston rod of the first hydraulic cylinder is superposed with the axis of the piston rod of the second hydraulic cylinder, a first supporting platform is further arranged on the workbench, a second supporting platform is arranged above the first supporting platform, a bearing seat is fixed at the top of the second supporting platform, a lifting device is arranged between the first supporting platform and the workbench, and a translation mechanism is arranged between the first supporting platform and the second supporting platform. The utility model solves the problems of low installation efficiency and poor precision of the existing bearing.
Description
Technical Field
The utility model relates to the technical field of bearing assembly, in particular to a side type pressure device convenient for bearing installation.
Background
The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body. The mounting accuracy of the bearing plays a key role in the life, reliability, etc. of the mechanical equipment.
In the prior art, when a large-sized bearing is installed, particularly when the bearing of a vibration exciter is installed, a base of the vibration exciter and a bearing chamber are integrally cast, a rotating shaft of the vibration exciter is firstly preassembled into the bearing chamber of a bearing seat, then the bearing is sleeved on the rotating shaft, and when the bearing is installed, an installer usually installs the bearing in the bearing seat manually, and needs to aim at and beat the bearing manually, so that time and labor are wasted, the installation efficiency is low, and the installation precision is poor; since the bearing is a precision part, the bearing is easily damaged when being knocked.
SUMMERY OF THE UTILITY MODEL
The utility model provides a side type pressure device convenient for bearing installation, which aims to solve the problems of low installation efficiency and poor accuracy of the existing bearing.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a side type pressure device convenient for bearing installation is provided, which comprises a workbench, wherein a first base and a second base which are symmetrically arranged are fixedly connected on the workbench, a first hydraulic cylinder is fixedly connected on the first base, a piston rod of the first hydraulic cylinder is parallel to the workbench, a first sleeve is fixedly connected on a piston rod of the first hydraulic cylinder, the axis of the first sleeve is superposed with the axis of the piston rod of the first hydraulic cylinder, a second hydraulic cylinder is fixedly connected on the second base, the first hydraulic cylinder and the second hydraulic cylinder are symmetrically arranged, a second sleeve is fixedly connected on a piston rod of the second hydraulic cylinder, the second sleeve and the first sleeve have the same structure, the axis of the piston rod of the first hydraulic cylinder is superposed with the axis of the piston rod of the second hydraulic cylinder, a first supporting platform is further arranged on the workbench, a second supporting platform is arranged above the first supporting platform, and a bearing seat is fixedly connected at the top of the second supporting platform, a lifting device is arranged between the first supporting platform and the workbench, and a translation mechanism is arranged between the first supporting platform and the second supporting platform.
Furthermore, the lifting device is a hydraulic cylinder or an electric push rod.
Further, the translation mechanism is a lead screw transmission mechanism.
Further, screw drive mechanism includes the motor, the lead screw, fixing support and nut seat, motor fixed connection is on first supporting station, lead screw fixed connection is on the output shaft of motor, the lead screw rotates with fixing support to be connected, nut seat fixed connection is in a second brace table bottom, nut seat is last set up with the screw hole of lead screw looks adaptation, lead screw and nut seat threaded connection, be provided with the slide rail on the first supporting station, set up the spout of slide rail looks adaptation on the second brace table, the spout slides along the slide rail.
Furthermore, one end of the first sleeve, which is far away from the first hydraulic cylinder, is fixedly connected with a first compression ring.
Furthermore, one end of the second sleeve, which is far away from the second hydraulic cylinder, is fixedly connected with a second compression ring.
Furthermore, the first pressing ring and the second pressing ring are both made of hard rubber.
Furthermore, the diameter of the first sleeve is larger than that of the rotating shaft, and the length of the first sleeve is larger than the distance between the end face of the rotating shaft and the end face of the outer side of the bearing.
Furthermore, the bearing seat is detachably and fixedly connected to the top of the second supporting table through a bolt.
The bearing mounting device is reasonable in design, the first sleeve is fixedly connected to the piston rod of the first hydraulic cylinder, the second sleeve is fixedly connected to the piston rod of the second hydraulic cylinder, and the first sleeve and the second sleeve apply pressure to the bearing under the action of the first hydraulic cylinder and the second hydraulic cylinder, so that the bearing can be quickly mounted in the bearing seat, and the pressure device can mount two bearings at one time, so that the mounting efficiency is greatly improved; the axis of the rotating shaft can be coincided with the axis of the piston rod by adjusting the lifting device and the translation mechanism, so that the mounting precision of the bearing is ensured; the first hydraulic cylinder and the second hydraulic cylinder run synchronously, so that the concentricity is high when the bearings on the two sides are installed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the first support table.
Fig. 3 is a schematic structural view of the second support stage.
Fig. 4 is a schematic structural view of the first hydraulic cylinder.
Fig. 5 is a schematic structural view of the second hydraulic cylinder.
Fig. 6 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The following detailed description of embodiments of the utility model is provided in conjunction with the accompanying drawings:
as shown in figure 1, a side type pressure device convenient for bearing installation comprises a workbench 1, a first machine base 2 and a second machine base 3 which are symmetrically arranged are fixedly connected on the workbench 1, a first hydraulic cylinder 4 is fixedly connected on the first machine base 2, a piston rod 5 of the first hydraulic cylinder 4 is parallel to the workbench 1, a first sleeve 6 is fixedly connected at the tail end of the piston rod 5 of the first hydraulic cylinder 4, the axis of the first sleeve 6 is superposed with the axis of the piston rod 5 of the first hydraulic cylinder 4, a second hydraulic cylinder 7 is fixedly connected on the second machine base 3, the first hydraulic cylinder 4 and the second hydraulic cylinder 7 are symmetrically arranged, a second sleeve 9 is fixedly connected at the tail end of the piston rod 8 of the second hydraulic cylinder 7, the second sleeve 9 and the first sleeve 6 have the same structure, the axis of the piston rod 5 of the first hydraulic cylinder 4 is superposed with the axis of the piston rod 8 of the second hydraulic cylinder 7, a first supporting platform 10 is further arranged on the workbench 1, a second supporting table 11 is arranged above the first supporting table 10, the bearing seat 20 is fixedly connected to the top of the second supporting table 11, a lifting device 12 is arranged between the first supporting table 10 and the workbench 1, the lifting device 12 can lift the first supporting table 10, a translation mechanism is arranged between the first supporting table 10 and the second supporting table 11, and the translation mechanism can enable the second supporting table 11 to slide along the first supporting table 10.
Further, in the present embodiment, the lifting device 12 is a hydraulic cylinder or an electric push rod. One end of the lifting device 12 is fixedly connected with the workbench 1, and the other end of the lifting device 12 is fixedly connected with the first supporting platform 10.
Further, the translation mechanism is a lead screw transmission mechanism.
Further, as shown in fig. 1, fig. 2 and fig. 3, the screw transmission mechanism includes a motor 13, a screw 14, a fixing support 15 and a nut seat 16, the motor 13 is fixedly connected to the first support platform 10, the screw 14 is fixedly connected to an output shaft of the motor 13, the screw 14 is rotatably connected to the fixing support 15, the nut seat 16 is fixedly connected to the bottom of the second support platform 11, a threaded hole matched with the screw 14 is formed in the nut seat 16, the screw 14 is in threaded connection with the nut seat 16, a sliding rail 17 is arranged on the first support platform 10, a sliding groove 18 matched with the sliding rail 17 is formed in the second support platform 11, and the sliding groove 18 slides along the sliding rail 17.
Further, as shown in fig. 4, a first pressing ring 19 is fixedly connected to one end of the first sleeve 6 away from the first hydraulic cylinder 4.
Further, as shown in fig. 5, a second pressing ring 23 is fixedly connected to an end of the second sleeve 9 away from the second hydraulic cylinder 7.
Furthermore, the first pressing ring 19 and the second pressing ring 23 are both made of hard rubber. Because the sleeve often is the metal material, the sleeve exerts enough big pressure to bearing 22 and just can press bearing 22 into bearing frame 20 in, and first ring 19 and the second ring 23 that compresses tightly adopt the hard rubber material to damage bearing 22 when can avoiding the installation.
Further, as shown in fig. 1 and 6, the diameter of the first sleeve 6 is larger than the diameter of the rotating shaft 21, and the length of the first sleeve 6 is larger than the distance between the end surface of the rotating shaft 21 and the end surface of the bearing 22 outside. When the bearing 22 is installed, the hollow area of the first sleeve 6 is used for accommodating the rotating shaft 21, the end of the first sleeve 6 abuts against the outer end face of the bearing 22, the length of the first sleeve 6 is greater than the distance between the end face of the rotating shaft 21 and the outer end face of the bearing 22, and the bearing 22 can be completely pressed into the bearing seat 20 under the action of pressure.
Further, the bearing seat 20 is detachably and fixedly connected to the top of the second support platform 11 through bolts.
The working principle is as follows: firstly, the bearing seat 20 is fixedly connected to the top of the second supporting platform 11 through bolts, the rotating shaft 21 is preassembled in the bearing seat 20, the bearing 22 is sleeved on the rotating shaft 21, and when the bearing 22 is sleeved, the bearing 22 is close to a bearing chamber of the bearing seat 20. Secondly, adjusting a lifting device 12 and a translation mechanism, wherein when the lifting device 12 is adjusted, along with the extension and contraction of a piston rod of a hydraulic cylinder or the extension and contraction of a push rod of an electric push rod, the first supporting platform 10 moves up and down, and then the second supporting platform 11 is driven to move up and down until the axis of the rotating shaft 21 and the axis of the first sleeve 6 are in the same horizontal plane; when the translation mechanism is adjusted, the motor 13 is started, the motor 13 drives the screw rod 14 to rotate, the screw rod 14 rotates to drive the nut seat 16 to slide, the nut seat 16 slides to further drive the second supporting table 11 to slide along the first supporting table 10, and at the moment, the sliding groove 18 on the second supporting table 11 slides along the sliding rail 17 on the first supporting table 10 until the axis of the rotating shaft 21 coincides with the axis of the first sleeve 6. Then the first hydraulic cylinder 4 and the second hydraulic cylinder 7 are started simultaneously, the piston rod 5 of the first hydraulic cylinder 4 drives the first sleeve 6 to approach the rotating shaft 21, the end part of the first sleeve 6 contacts with the end surface of the bearing 22, along with the work of the first hydraulic cylinder 4, the first sleeve 6 applies pressure to the bearing 22 and finally presses the bearing 22 into the bearing seat 20, the first pressing ring 19 is fully contacted with the bearing 22, and therefore the bearing 22 is stressed uniformly. The first hydraulic cylinder 4 and the second hydraulic cylinder 7 operate synchronously, so that the double-side bearing 22 can be installed, and the concentricity can be ensured during installation.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention. The foregoing shows and describes the general principles, essential features, and advantages of the utility model. 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.
Claims (9)
1. The utility model provides a side formula pressure device convenient to bearing installation which characterized in that: comprises a workbench, a first machine base and a second machine base which are symmetrically arranged are fixedly connected on the workbench, a first hydraulic cylinder is fixedly connected on the first machine base, a piston rod of the first hydraulic cylinder is parallel to the workbench, a first sleeve is fixedly connected on a piston rod of the first hydraulic cylinder, the axis of the first sleeve is coincided with the axis of the piston rod of the first hydraulic cylinder, a second hydraulic cylinder is fixedly connected on the second machine base, the first hydraulic cylinder and the second hydraulic cylinder are symmetrically arranged, a second sleeve is fixedly connected on a piston rod of the second hydraulic cylinder, the structure of the second sleeve is the same as that of the first sleeve, the axis of the piston rod of the first hydraulic cylinder is coincided with the axis of the piston rod of the second hydraulic cylinder, a first supporting platform is further arranged on the workbench, a second supporting platform is arranged above the first supporting platform, a bearing seat is fixedly connected on the top of the second supporting platform, and a lifting device is arranged between the first supporting platform and the workbench, a translation mechanism is arranged between the first supporting platform and the second supporting platform.
2. A side pressure apparatus for facilitating bearing installation as claimed in claim 1, wherein: the lifting device is a hydraulic cylinder or an electric push rod.
3. A side pressure apparatus for facilitating bearing installation as claimed in claim 1, wherein: the translation mechanism is a lead screw transmission mechanism.
4. A side pressure apparatus for facilitating bearing installation as claimed in claim 3, wherein: the screw transmission mechanism comprises a motor, a screw, a fixed support and a nut seat, the motor is fixedly connected to the first support platform, the screw is fixedly connected to an output shaft of the motor, the screw is rotatably connected with the fixed support, the nut seat is fixedly connected to the bottom of the second support platform, a threaded hole matched with the screw is formed in the nut seat, the screw is in threaded connection with the nut seat, a slide rail is arranged on the first support platform, a slide groove matched with the slide rail is formed in the second support platform, and the slide groove slides along the slide rail.
5. A side pressure apparatus for facilitating bearing installation as claimed in claim 1, wherein: one end of the first sleeve, which is far away from the first hydraulic cylinder, is fixedly connected with a first compression ring.
6. A side pressure apparatus for facilitating bearing installation as claimed in claim 5, wherein: one end of the second sleeve, which is far away from the second hydraulic cylinder, is fixedly connected with a second compression ring.
7. A side pressure apparatus for facilitating bearing installation as claimed in claim 6, wherein: the first pressing ring and the second pressing ring are both made of hard rubber.
8. A side pressure apparatus for facilitating bearing installation as claimed in claim 1, wherein: the diameter of the first sleeve is larger than that of the rotating shaft, and the length of the first sleeve is larger than the distance between the end face of the rotating shaft and the end face of the outer side of the bearing.
9. A side pressure apparatus for facilitating bearing installation as claimed in claim 1, wherein: the bearing frame is detachably and fixedly connected to the top of the second supporting table through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122233583.0U CN216227859U (en) | 2021-09-15 | 2021-09-15 | Side formula pressure device convenient to bearing installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122233583.0U CN216227859U (en) | 2021-09-15 | 2021-09-15 | Side formula pressure device convenient to bearing installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216227859U true CN216227859U (en) | 2022-04-08 |
Family
ID=80983520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122233583.0U Active CN216227859U (en) | 2021-09-15 | 2021-09-15 | Side formula pressure device convenient to bearing installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216227859U (en) |
-
2021
- 2021-09-15 CN CN202122233583.0U patent/CN216227859U/en active Active
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