CN220408614U

CN220408614U - Bearing mounting device

Info

Publication number: CN220408614U
Application number: CN202322009664.1U
Authority: CN
Inventors: 周继伟; 邢攸强; 魏臣; 井剑; 马洁
Original assignee: Shantui Janeoo Machinery Co Ltd
Current assignee: Shantui Janeoo Machinery Co Ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-01-30
Anticipated expiration: 2033-07-28

Abstract

The utility model discloses a bearing mounting device, which comprises a pressing plate and a plurality of positioning rods, wherein the positioning rods can be inserted and pulled out to pass through mounting holes of a bearing and a bearing seat, the pressing plate is fixed at one end of a pressing cylinder, the middle part of the pressing plate is provided with a through hole with the same inner diameter as the pressing cylinder, the other end of the pressing cylinder is connected with a hydraulic cylinder body, the end part of a piston rod of the hydraulic cylinder is detachably connected with a mounting shaft through a fastening connecting device, and the top of the pressing cylinder is provided with a lifting plate capable of being lifted on a lifting rail or a pulley; the bearing is sleeved on the mounting shaft in advance by arranging the pressing plate, the pressing cylinder, the hydraulic cylinder and the positioning rod, and the positioning rod is used for positioning the bearing; then hoist and mount the pressure section of thick bamboo on hanger rail or coaster, fix pneumatic cylinder piston rod and installation axle through fastening connection device, start the pneumatic cylinder, make the pneumatic cylinder piston rod retract in to the pneumatic cylinder body, the pneumatic cylinder body promotes the bearing and installs on the bearing frame, is suitable for the installation of the bearing frame of great volume and weight, laborsaving saving time has improved the installation effectiveness of bearing.

Description

Bearing mounting device

Technical Field

The utility model belongs to the technical field of bearing installation tools, and particularly relates to a bearing installation device.

Background

In engineering operations, a scenario of installing bearings is often encountered, such as a double horizontal shaft stirring main machine in a concrete stirring machine, and the bearings need to be installed on the main machine bearings.

In the prior art, the main machine bearing is installed on the bearing seat in a mode of impacting the surface of the bearing, but due to the fact that the weight and the size of the bearing used for stirring the main machine are large, the impact installation mode is easy to cause bearing damage, and the installation is laborious and low in installation efficiency.

In addition, the utility model patent with chinese patent publication No. CN107553395a also searches for a mounting device for a bearing in the prior art, as shown in fig. 1, the mounting device mainly includes a mounting block a, a screw b, a pressing block c and a positioning pin d, the screw b is in threaded connection with the mounting block a, the bottom end of the screw b is fixedly connected with the pressing block c, the positioning pin d is fixedly connected on the lower end surface of the pressing block c, both the pressing block c and the positioning pin d are made of rubber materials, when the bearing is mounted on a bearing seat, the positioning pin d is inserted into an inner ring of the bearing, the positioning pin d is clamped in the inner ring of the bearing through self elasticity, the pressing block c is pressed on an inner ring and an outer ring of the bearing, and the screw b is rotated to press the bearing into the bearing seat.

However, the above method still has certain defects: the prior art scheme is only applicable to smaller bearings, and for bearings with larger weight, firstly, the bearings easily cause serious deformation of elastic locating pins to influence normal installation of the bearings, secondly, manual screwing is very laborious, and the bearings easily rotate along with the locating pins, so that the installation is laborious and inconvenient; in addition, since the positioning pin is fixed to the inner ring of the bearing, interference cannot be applied to the case of fitting the bearing to the bearing housing fixed to the shaft, and therefore, development of a large-sized bearing mounting device capable of saving labor has been demanded.

Disclosure of Invention

In view of the shortcomings and drawbacks of the prior art, an object of the present utility model is to provide a bearing mounting device, which solves the problems of easy damage to the bearing and laborious and inefficient mounting of the bearing caused by impact mounting in the prior art, and the problems of relatively laborious mounting of the larger bearing in the prior art, and not suitable for the situation of sleeving the bearing on the bearing seat fixed on the shaft.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a bearing installation device, including the clamp plate, still include a plurality of locating levers, but locating lever plug passes the mounting hole of bearing and bearing frame, the clamp plate is fixed in the one end of pressure section of thick bamboo, the internal diameter of pressure section of thick bamboo is greater than the diameter of installation axle, the same through hole with pressure section of thick bamboo internal diameter is seted up at the clamp plate middle part, the pressure section of thick bamboo other end is connected with the pneumatic cylinder body, telescopic is equipped with the pneumatic cylinder piston rod on the pneumatic cylinder body, the pneumatic cylinder piston rod tip can dismantle with the installation axle through fastening connection device and be connected, the top of pressure section of thick bamboo is provided with the hanger plate, the hanger plate hangs on hanger rail or coaster through the lifting rope.

As a further improvement of the utility model, the fastening connection device comprises a screw rod, a threaded hole in threaded fit with the screw rod is formed in the installation shaft, one end of the screw rod is in threaded connection with the threaded hole, and the other end of the screw rod is rotatably connected with a piston rod of the hydraulic cylinder.

As a further improvement of the utility model, one end of the screw rod, which is close to the piston rod of the hydraulic cylinder, is provided with a ring plate, the end part of the piston rod of the hydraulic cylinder is rotatably provided with a hinge seat, and the ring plate is connected with the hinge seat through a pin shaft.

As a further improvement of the utility model, the cross-section of the hinge base is U-shaped.

As a further improvement of the utility model, the upper part of the hydraulic cylinder body is provided with a gripping handle.

Compared with the prior art, the utility model has the following advantages:

1. when the bearing is installed by arranging the pressing plate, the pressing cylinder, the hydraulic cylinder and the positioning rod, firstly, sleeving the bearing on the installation shaft in advance, then aligning the installation holes of the bearing with the installation holes of the bearing seat one by one, and enabling the positioning rod to penetrate through the installation holes of the bearing and the bearing seat so as to position the bearing and the bearing seat and prevent the bearing from rotating; then hoist the pressure section of thick bamboo on hanger rail or coaster through the lifting rope, stretch out the pressure section of thick bamboo with the pneumatic cylinder piston rod, and fix the pneumatic cylinder piston rod with the installation axle through fastening connection device, start the pneumatic cylinder, make the pneumatic cylinder piston rod retract in the pneumatic cylinder body, because the pneumatic cylinder piston rod is fixed on the installation axle, therefore the pneumatic cylinder body is driven the pressure section of thick bamboo to the one end that is close to the bearing and is removed, until the clamp plate on the pressure section of thick bamboo will bear the top-mounting on the bearing frame, this kind of mounting means of bearing, utilize the reaction force of pneumatic cylinder body and pneumatic cylinder piston rod, with the bearing top-mounting on the bearing frame, can be applicable to the installation of the bearing frame of great volume and weight, and can avoid striking the bearing damage that the installation bearing arouses, in addition, the structural style outside the installation axle is established to the pressure section of thick bamboo cover, avoid the pressure section of thick bamboo to produce with the installation axle when the pressure equipment bearing, laborsaving save time, the installation efficiency of bearing has been improved greatly.

2. Through setting up fastening connection device into the lead screw, offer on the installation axle with lead screw-thread fit's screw hole, the rotatable and pneumatic cylinder piston rod of lead screw is connected, through screwing the lead screw fix on the installation epaxial, the fastening connection of pneumatic cylinder piston rod and installation axle has been accomplished promptly, in addition the lead screw rotates with the pneumatic cylinder piston rod to be connected, thereby when screwing the rotation lead screw on the screw hole, avoid the pneumatic cylinder piston rod to rotate along with the lead screw, thereby avoid pneumatic cylinder and pressure section of thick bamboo to rotate, influence normal hoist and mount.

3. The grasping handles are arranged on the upper portion of the hydraulic cylinder body, so that an operator can grasp the hydraulic cylinder conveniently.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is a schematic diagram of the whole structure of the present utility model (the pressing cylinder is cut away);

FIG. 4 is an enlarged view of FIG. 3 at A;

in the figure: 1. a pressing plate; 2. a positioning rod; 3. a bearing; 4. a bearing seat; 5. a mounting hole; 6. a through hole; 7. pressing a cylinder; 8. a hydraulic cylinder block; 9. a mounting shaft; 10. a hanging plate; 11. a screw rod; 12. a threaded hole; 13. a ring plate; 14. a hinge base; 15. a pin shaft; 16. a hydraulic cylinder piston rod; 17. gripping the handle; 18. a lifting rope.

Detailed Description

The utility model is described in further detail below with reference to fig. 2-4. For the sake of clarity, only the structures related to the utility model are shown in the drawings.

For convenience of description, the coordinate system is defined as shown in fig. 2, and the left-right direction is a transverse direction, the front-rear direction is a longitudinal direction, and the up-down direction is a vertical direction.

The embodiment of the utility model discloses a bearing installation device. Referring to fig. 2, a bearing installation device comprises a pressing plate 1, and further comprises a plurality of positioning rods 2, wherein the positioning rods 2 can be inserted and pulled out, the mounting holes 5 penetrate through bearings 3 and bearing seats 4, the pressing plate 1 is fixed at one end of a pressing cylinder 7, the inner diameter of the pressing cylinder 7 is larger than the diameter of a mounting shaft 9, as shown in fig. 3, through holes 6 with the same inner diameter as the pressing cylinder 7 are formed in the middle of the pressing plate 1, the outer diameter of the pressing plate 1 is not too large, interference with the positioning rods 2 is avoided, the other ends of the pressing cylinders 7 are connected with a hydraulic cylinder body 8, a hydraulic cylinder piston rod 16 is arranged on the hydraulic cylinder body 8 in a telescopic manner, and the end part of the hydraulic cylinder piston rod 16 is detachably connected with the mounting shaft 9 through a fastening connection device. Specifically, as shown in fig. 3 and 4, the fastening connection device comprises a screw rod 11, a threaded hole 12 in threaded fit with the screw rod 11 is formed in the mounting shaft 9, one end of the screw rod 11 is in threaded connection with the threaded hole 12, and the other end of the screw rod 11 is rotatably connected with a hydraulic cylinder piston rod 16. The screw rod 11 is screwed and fixed on the installation shaft 9, namely, the fastening connection of the hydraulic cylinder piston rod 16 and the installation shaft 9 is completed, and in addition, the screw rod 11 is rotationally connected with the hydraulic cylinder piston rod 16, so that when the screw rod 11 is screwed and rotated on the threaded hole 12, the hydraulic cylinder piston rod 16 is prevented from rotating along with the screw rod 11, and the hydraulic cylinder and the pressing cylinder 7 are prevented from rotating, so that normal lifting is prevented from being influenced. The screw rod 11 and the hydraulic cylinder piston rod 16 are rotationally connected in the following way: specifically, a ring plate 13 may be disposed at one end of the screw 11 near the hydraulic cylinder piston rod 16, the end of the hydraulic cylinder piston rod 16 is rotatably provided with a hinge seat 14, the cross section of the hinge seat 14 is U-shaped, and the ring plate 13 is connected with the hinge seat 14 through a pin 15. The pin shaft 15 is connected in a manner that facilitates the disassembly of the screw rod 11.

In addition, as shown in fig. 2 and 3, the top of the pressure cylinder 7 is provided with a lifting plate 10, and the pressure cylinder 7 can be hung on a lifting rail or a pulley (the lifting rail and the pulley are not shown) through a lifting rope 18, so that the pressure cylinder 7 can be supported in the vertical direction, and the pressure cylinder 7 and the hydraulic cylinder are prevented from sagging. In addition, a grip handle 17 is arranged at the upper part of the hydraulic cylinder body 8, so that an operator can grasp the hydraulic cylinder conveniently.

The utility model has the technical effects that: when the bearing 9 is installed by arranging the pressing plate 1, the pressing cylinder 7, the hydraulic cylinder and the positioning rod 2, firstly sleeving the bearing 3 on the installation shaft 9 in advance, then aligning the installation holes 5 of the bearing 3 with the installation holes 5 of the bearing 3 seat one by one, and penetrating the positioning rod 2 through the bearing 3 and the installation holes 5 of the bearing 3 seat so as to position the bearing 3 and the bearing 3 seat and prevent the bearing 3 from rotating; then hoist pressure section of thick bamboo 7 on hanger rail or coaster through lifting rope 18, stretch out pressure section of thick bamboo 7 with pneumatic cylinder piston rod 16, and fix with installation axle 9 through fastening connection device with pneumatic cylinder piston rod 16, start the pneumatic cylinder, make the pneumatic cylinder piston rod retract in the pneumatic cylinder body 8, because the pneumatic cylinder piston rod is fixed on installation axle 9, therefore the pneumatic cylinder body is driven pressure section of thick bamboo 7 to the one end that is close to bearing 3, until the clamp plate 1 on pressure section of thick bamboo 7 will bear 3 roof-mount on bearing 3 seat, this kind of mounting means of bearing 3 utilizes the reaction force of pneumatic cylinder body 8 and pneumatic cylinder piston rod 16, roof-mount bearing 3 on bearing 3 seat, the installation of bearing 3 seat that can be applicable to great volume and weight, and can avoid striking installation axle 9 bearing 3 to destroy that the bearing 3 arouses, in addition, pressure section of thick bamboo 7 cover is established in the structural style of installation axle 9 outside, avoid pressure section of thick bamboo 7 to produce the interference with installation axle 9 when pressing the bearing 3, labor-saving, the installation efficiency of bearing 3 has been improved greatly.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. It should be understood that the detailed description is presented for purposes of understanding only and is not intended to limit the utility model to all other embodiments that may be obtained by one skilled in the art without making any inventive effort.

Claims

1. A bearing mounting device comprising a platen, characterized in that: still include a plurality of locating levers, but locating lever plug passes the mounting hole of bearing and bearing frame, and the clamp plate is fixed in the one end of pressing the section of thick bamboo, and the internal diameter of pressing the section of thick bamboo is greater than the diameter of installation axle, and the through hole the same with pressing the section of thick bamboo internal diameter is seted up at the clamp plate middle part, presses the section of thick bamboo other end to be connected with the pneumatic cylinder body, and the telescopic pneumatic cylinder piston rod that is equipped with on the pneumatic cylinder body, the pneumatic cylinder piston rod tip can dismantle with the installation axle through fastening connection device and be connected, and the top of pressing the section of thick bamboo is provided with the hanger plate, and the hanger plate hangs on hanger rail or coaster through the lifting rope.

2. A bearing mounting apparatus as claimed in claim 1, wherein: the fastening connection device comprises a screw rod, a threaded hole matched with the screw rod in a threaded mode is formed in the installation shaft, one end of the screw rod is in threaded connection with the threaded hole, and the other end of the screw rod is rotatably connected with a piston rod of the hydraulic cylinder.

3. A bearing mounting arrangement according to claim 2, wherein: the screw rod is close to the one end of pneumatic cylinder piston rod and is provided with the annular plate, the rotation of pneumatic cylinder piston rod tip is provided with articulated seat, annular plate and articulated seat pass through the round pin hub connection.

4. A bearing mounting arrangement according to claim 3, wherein: the cross section shape of the hinging seat is U-shaped.

5. A bearing mounting apparatus according to any one of claims 1 to 4, wherein: the upper part of the hydraulic cylinder body is provided with a gripping handle.