CN112792783A

CN112792783A - Novel bearing installer

Info

Publication number: CN112792783A
Application number: CN202110241589.4A
Authority: CN
Inventors: 翟恒亮; 徐资翔; 徐慈谦
Original assignee: Danuoer Electric Group Co ltd
Current assignee: Danuoer Electric Group Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-05-14
Anticipated expiration: 2041-03-04
Also published as: CN112792783B

Abstract

The invention provides a novel bearing installer, which comprises a one-way hydraulic cylinder, a hydraulic cylinder quick connector, a stroke sleeve, a connecting shaft and a three-hole installation disc, wherein a split type quick connector sleeve is sleeved outside the hydraulic cylinder quick connector; the invention has light structure, and has qualitative improvement in portability compared with a hydraulic bearing mounting station with the weight of the top ton, so that a person can move and mount the hydraulic bearing mounting station on any vehicle to form a line.

Description

Novel bearing installer

Technical Field

The invention relates to the field of bearings, in particular to a novel bearing installer.

Background

The existing bearing installation device mainly uses hydraulic jacking, and is equipped under the pressure of more than ten tons, the total weight of the bearing installation device under a bidirectional constant pressure mode exceeds one ton, and the volume occupied area exceeds three square meters; such a design has the following problems:

the hydraulic bearing mounting station has the advantages of being large in size, large in occupied area, incapable of being manually moved by hands, large in manufacturing cost, capable of only mounting a bearing on a hub once, and low in working efficiency.

Disclosure of Invention

The invention aims to provide a novel bearing installer.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a novel bearing installer is characterized by comprising a one-way hydraulic oil cylinder, a hydraulic cylinder quick connector, a stroke sleeve, a connecting shaft and a three-hole installation disc which are sequentially connected from front to back, wherein a split type quick connector is sleeved on the outer side of the hydraulic cylinder quick connector, a bearing propelling cylinder and a bearing propelling disc are sleeved on the outer side of the stroke sleeve, the bearing propelling disc and the bearing propelling cylinder are sequentially connected from front to back, a propelling pin is arranged at the front end of the bearing propelling disc, a sliding hole is formed in the stroke sleeve in an axial extending mode and penetrates through the stroke sleeve in a radial direction, the stroke sleeve slides back and forth through the matching of the sliding hole and the propelling pin, the rear end of the connecting shaft penetrates through the center of the three-hole installation disc from front to back, and the front end of the connecting shaft is connected with the rear end of the;

wherein, three hole mounting discs include an installation base and a plurality of stopper, the stopper is with the front end fixed connection of installation base, the stopper is trapezoidal along axial cross-section, the stopper is crescent by preceding to the back along axial width, the upper end of installation base is equipped with a plurality of mounting holes, the mounting hole is the same with the figure of stopper, the crisscross setting of circumference of installation base is followed to mounting hole and stopper.

Furthermore, the front part of the stroke sleeve is inserted into the rear part of the split type quick connector, the rear part of the hydraulic cylinder quick connector is inserted into the front part of the quick connector, an installer piston is arranged in the stroke sleeve, a hydraulic cylinder piston is arranged in the one-way hydraulic cylinder, an extension piston is arranged at the rear end of the hydraulic cylinder piston, and the rear end of the extension piston is attached to the front end of the installer piston.

Further, the rear end of the installer piston and the front end of the pushing pin are positioned through a concave-convex structure, and the rear end of the extension piston and the front end of the installer piston are positioned through a concave-convex structure.

Furthermore, two mounting rings are sleeved on the outer side of the one-way hydraulic oil cylinder, the mounting rings are respectively mounted on the front portion and the rear portion of the one-way hydraulic oil cylinder, and the mounting rings are fixedly connected with the two ends of the handle.

Further, it is equipped with the shaft hole to run through around the three hole mounting discs, the rear end in shaft hole outwards extends and forms an annular connection step, the rear end of connecting axle is equipped with and connects step complex go-between, the three hole mounting discs are rotatable for the connecting axle.

Furthermore, the rear end of the one-way hydraulic oil cylinder is connected with the front end of the hydraulic cylinder quick connector in a matched mode through internal and external threads.

The core device of the invention consists of a one-way hydraulic oil cylinder, a hydraulic cylinder quick connector, a stroke sleeve, a connecting shaft and a three-hole mounting disc, has light structure, has qualitative improvement in portability compared with a bearing hydraulic mounting station with the weight of the upper ton, and can be moved and mounted on any vehicle in a line by one person; the bearing can be installed at any time on the premise of not needing to disassemble the vehicle to enter the station, so that the operation efficiency of the railway vehicle is improved; because the vehicles do not need to enter the station for repairing, the maintenance time is saved, the normal running time of the vehicles is prolonged, and the equipment cost of rail transit guarantee is reduced.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic disassembled view of the present invention;

FIG. 3 is a schematic view of the overall structure of the present invention;

fig. 4 is a schematic view of an installation structure in which the present invention is embodied.

Reference numerals:

1 one-way hydraulic cylinder, 2 handles, 3 mounting rings, 4 handle bolts, 5 hydraulic cylinder pistons, 6 hydraulic cylinder quick joints,

7 extension piston, 8 mounting piston, 9 split type quick connecting sleeve, 10 bearing propelling disc, 11 bearing propelling cylinder,

12 propelling pins, 13 stroke sleeves, 14 connecting shafts, 15 three-hole mounting discs, 16 mounting bolts, 17 axles,

18 bearings, 19 mounting bases, 20 limiting blocks and 21 mounting holes.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention discloses a novel bearing mounting device, which comprises a one-way hydraulic oil cylinder 1, a hydraulic cylinder quick connector 6, a stroke sleeve 13, a connecting shaft 14 and a three-hole mounting disc 15 which are sequentially connected from front to back as shown in figure 1, the outer side of the hydraulic cylinder quick connector 6 is sleeved with a split type quick connector 9, the outer side of the stroke sleeve 13 is sleeved with a bearing propelling barrel 11 and a bearing propelling disc 10, the bearing propelling disc 10 and the bearing propelling barrel 11 are sequentially connected from front to back, a propelling pin 12 is arranged at the front end of the bearing propelling disc 10, the stroke sleeve 13 is provided with a sliding hole along the axial extension, the sliding hole penetrates through the stroke sleeve 13 along the radial direction, the stroke sleeve 13 slides back and forth through the matching of the sliding hole and the pushing pin 12, the rear end of the connecting shaft 14 penetrates through the center of the three-hole mounting plate 15 back and forth, the front end of the connecting shaft 14 is connected with the rear end of the stroke sleeve 13 in a matched mode through internal and external threads.

The front part of the stroke sleeve 13 is inserted into the rear part of the split type quick-connection sleeve 9, the rear part of the hydraulic cylinder quick-connection joint 6 is inserted into the front part of the quick-connection sleeve, an installer piston 8 is arranged in the stroke sleeve 13, a hydraulic cylinder piston 5 is arranged in the one-way hydraulic cylinder 1, an extension piston 7 is arranged at the rear end of the hydraulic cylinder piston 5, and the rear end of the extension piston 7 is attached to the front end of the installer piston 8.

The rear end of the mounter piston 8 and the front end of the pushing pin 12 are positioned by a concave-convex structure, and the rear end of the extension piston 7 and the front end of the mounter piston 8 are positioned by a concave-convex structure.

Two mounting rings 3 are sleeved on the outer side of the one-way hydraulic oil cylinder 1 in a sleeved mode, the mounting rings 3 are respectively mounted on the front portion and the rear portion of the one-way hydraulic oil cylinder 1, the mounting rings 3 are fixedly connected with the two ends of the handle 2, and the rear end of the one-way hydraulic oil cylinder 1 is connected with the front end of the hydraulic cylinder quick connector 6 in a matched mode through internal and external threads.

As shown in fig. 3, a shaft hole is formed through the center of the three-hole mounting plate 15 in the front and rear direction, the rear end of the shaft hole extends outwards to form an annular connecting step, a connecting ring matched with the connecting step is arranged at the rear end of the connecting shaft 14, and the three-hole mounting plate 15 is rotatable relative to the connecting shaft 14.

Three hole mounting discs 15 include an installation base 19 and a plurality of stopper 20, stopper 20 and installation base 19's front end fixed connection, stopper 20 is trapezoidal along axial cross-section, stopper 20 is crescent by preceding to back along axial width, and stopper 20 encircles and plays limiting displacement in the connecting axle 14 outside, and the inboard of stopper 20 is preferred trapezoidal right-angle side, and the stopper 20 outside is preferred trapezoidal hypotenuse, and the inclined plane design in the stopper 20 outside helps mechanical centre gripping or holds.

The upper end of installation base 19 is equipped with a plurality of mounting holes 21, mounting holes 21 are the same with stopper 20's figure, mounting holes 21 and stopper 20 are along the crisscross setting of 19 circumference of installation base, run through set screw mounting holes 21 can fix a position three hole mounting discs 15.

In the implementation of the invention, as shown in fig. 2 and 4, after a stroke sleeve 13 assembly (comprising a three-hole mounting disc 15, a connecting shaft 14, a pushing pin 12 and a mounting device piston 8) is positioned and stably mounted on an axle 17 by a mounting bolt 16, a bearing 18 to be mounted is sleeved on the stroke sleeve 13 assembly and aligned with the axle 17, then a bearing pushing cylinder 11 and a bearing pushing disc 10 are mounted, and then the split type quick-connection sleeve 9 is abutted with a hydraulic cylinder assembly (comprising a hydraulic cylinder quick-connection head 6, an extension piston 7, a handle 2 and a mounting ring 3), a one-way hydraulic cylinder 1 is started, the pushing pin 12 is pushed, and the bearing pushing disc 10 and the bearing pushing cylinder 11 push the bearing 18 to a preset mounting position.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A novel bearing installer is characterized by comprising a one-way hydraulic oil cylinder, a hydraulic cylinder quick connector, a stroke sleeve, a connecting shaft and a three-hole installation disc which are sequentially connected from front to back, wherein a split type quick connector is sleeved on the outer side of the hydraulic cylinder quick connector, a bearing propelling cylinder and a bearing propelling disc are sleeved on the outer side of the stroke sleeve, the bearing propelling disc and the bearing propelling cylinder are sequentially connected from front to back, a propelling pin is arranged at the front end of the bearing propelling disc, a sliding hole is formed in the stroke sleeve in an axial extending mode and penetrates through the stroke sleeve in a radial direction, the stroke sleeve slides back and forth through the matching of the sliding hole and the propelling pin, the rear end of the connecting shaft penetrates through the center of the three-hole installation disc from front to back, and the front end of the connecting shaft is connected with the rear end of the;

2. The novel bearing installer as claimed in claim 1, wherein the number of the installation holes and the number of the limiting blocks are 3.

3. The novel bearing installer as claimed in claim 1, wherein the front part of the stroke sleeve is inserted into the rear part of the split quick connector, the rear part of the hydraulic cylinder quick connector is inserted into the front part of the quick connector, an installer piston is arranged in the stroke sleeve, a hydraulic cylinder piston is arranged in the one-way hydraulic cylinder, an extension piston is arranged at the rear end of the hydraulic cylinder piston, and the rear end of the extension piston is attached to the front end of the installer piston.

4. A novel bearing mounter according to claim 3, wherein the rear end of the mounter piston and the front end of the pushing pin are positioned by a concave-convex structure, and the rear end of the extension piston and the front end of the mounter piston are positioned by a concave-convex structure.

5. The novel bearing installer as claimed in claim 1, wherein two mounting rings are sleeved outside the unidirectional hydraulic cylinder, the mounting rings are respectively mounted at the front and rear of the unidirectional hydraulic cylinder, and the mounting rings are fixedly connected with two ends of the handle.

6. The bearing installer as claimed in claim 1, wherein the three-hole mounting plate has a shaft hole extending through the front and rear portions thereof, the rear end of the shaft hole extends outward to form an annular connecting step, the rear end of the connecting shaft has a connecting ring engaged with the connecting step, and the three-hole mounting plate is rotatable with respect to the connecting shaft.

7. The novel bearing installer as claimed in claim 1, wherein the rear end of the unidirectional hydraulic cylinder is connected with the front end of the hydraulic cylinder quick connector in a matching manner through internal and external threads.