CN111043167B

CN111043167B - Connecting device for bearing grading transmission

Info

Publication number: CN111043167B
Application number: CN201911236142.7A
Authority: CN
Inventors: 陆斌
Original assignee: Zhucheng Huilin Precision Machinery Co ltd
Current assignee: ZHUCHENG HUILIN PRECISION MACHINERY Co.,Ltd.
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2021-12-31
Anticipated expiration: 2039-12-05
Also published as: CN111043167A

Abstract

The invention relates to the technical field of bearing installation, in particular to a connecting device for bearing stepped transmission, which comprises a stepped shaft, wherein at least two gears for transmission are arranged on the stepped shaft, bearings with different diameters of outer rings are arranged at different stepped parts of the stepped shaft, the outer rings of the bearings are sleeved with adaptive seats, and end covers are arranged at the left end and the right end of each adaptive seat. The beneficial effects are that: the connecting device can be adapted to the grading transmission mechanisms with different bearing numbers and different bearing outer ring diameters, so that the design and assembly difficulty of the grading traditional mechanism is effectively reduced by adopting a universal adapting part, and the production difficulty and the production cost of equipment are effectively reduced; the device can utilize the special oil supply structure between supporting seat and the adaptation seat to provide good real-time lubrication environment for the bearing in the hierarchical drive mechanism, the effectual wearing and tearing that reduce the bearing to improve equipment operation's reliability and reduced the maintenance cost.

Description

Connecting device for bearing grading transmission

Technical Field

The invention relates to the technical field of bearing installation, in particular to a connecting device for bearing grading transmission.

Background

The step transmission mechanism is generally installed in a step speed regulating device and is used for speed regulation and mechanism butt joint switching. The hierarchical transmission structure is generally provided with a plurality of groups of gears with different diameters as transmission parts, a stepped shaft is required to be used for fixing the gears, and corresponding bearings are required to be arranged at each part of the stepped shaft in order to ensure that the stepped bearing does not influence the transmission precision and stability of the mechanism due to self deformation in the transmission process.

Since the number of bearings to be mounted and the diameter of the outer ring are different in various step gears, a large number of bearing fixing parts need to be designed. In the design process of a serialized stepped transmission mechanism, a large amount of design time and processing cost are wasted by repeatedly designing similar bearing support parts and processing the same respectively.

If the novel bearing connecting and fixing device with good universal bearing fixing and adapting performance can be provided, the problems can be effectively solved by quickly assembling and fixing the bearing according to the specific bearing installation condition in each hierarchical transmission mechanism produced in series, and the connecting device for the hierarchical transmission of the bearing is provided.

Disclosure of Invention

The invention aims to provide a connecting device for bearing stepped transmission, which solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a connecting device for bearing grading transmission comprises a stepped shaft, wherein at least two gears for transmission are arranged on the stepped shaft, bearings with different diameters of outer rings are arranged at different stepped positions of the stepped shaft, the outer rings of the bearings are sleeved with adaptive seats, and end covers are arranged at the left end and the right end of each adaptive seat;

the support seat is installed on the outer side of the adaptive seat and comprises a base, a butt joint seat is fixedly installed on the base through a bolt, an oil inlet pipe is installed on the butt joint seat, an oil storage cavity is formed between the butt joint seat and the oil inlet pipe, an auxiliary fixing frame is fixedly installed below the base through a bolt, the bottom of the auxiliary fixing frame is fixedly installed on a connecting frame through a bolt, and the connecting frame is fixedly installed with external equipment through a bolt;

the adaptive seat comprises an annular frame consisting of a pair of semi-rings, an annular clamping groove clamped and positioned with the outer side of the supporting seat is formed in the outer side of the annular frame, an outer sealing ring used for clamping the outer side of the outer ring of the bearing is integrally formed in the outer side of the annular frame, a butt joint annular groove is formed in the outer side of the annular frame, and an oil hole used for communicating the oil storage cavity with the butt joint annular groove is formed in the bottom of the oil storage cavity;

the annular frame has seted up annular oil groove in the position department of dock with outer seal ring, and through the through-hole intercommunication between annular oil groove and the butt joint ring channel, set up the oil extraction groove that is used for introducing the roller department of bearing with annular oil groove intercommunication on the outer seal ring, and set up the spiro union hole that is used for through the bolt fastening end cover on the outer seal ring.

Preferably, the oil discharge groove is a U-shaped groove, and the through hole is a waist-shaped hole.

Preferably, the outer seal ring of each half ring of the annular frame is provided with at least four oil discharge grooves, and the annular oil groove of each half ring of the annular frame is internally provided with at least two through holes.

Preferably, the auxiliary fixing frames are steel frames, and the auxiliary fixing frames are connected in series through bolts to adjust the connection length.

Preferably, the oil storage chamber is cylindrical, and the upper end in oil storage chamber passes through the screw thread and advances oil pipe spiro union installation, advance to install the spring check valve on the oil pipe, and the oil storage intracavity is installed and is filtered the oil core.

Preferably, the connecting frame is connected with the auxiliary fixing frame in a threaded connection position by adopting waist-shaped holes convenient for adjusting the threaded connection position, and the connecting frame is provided with at least four groups of waist-shaped holes in a linear array.

Compared with the prior art, the invention has the beneficial effects that:

1. the connecting device can be adapted to the grading transmission mechanisms with different bearing quantities and different bearing outer ring diameters, so that the design and assembly difficulty of the grading traditional mechanism is effectively reduced by adopting a universal adapting part, particularly the grading traditional mechanism aiming at the series production can be better assembled and produced, and the production difficulty and the production cost of equipment are effectively reduced;

2. the device can utilize the special oil supply structure between supporting seat and the adaptation seat to provide good real-time lubrication environment for the bearing among the hierarchical drive mechanism, the effectual wearing and tearing that reduce the bearing to improve the reliability of equipment operation and reduced the maintenance cost, had very high practical value.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the assembly of the bearing and the bearing of the present invention;

fig. 4 is a schematic structural diagram of the adapter of the present invention.

In the figure: 1. a connecting frame; 2. an auxiliary fixing frame; 3. a supporting seat; 301. a base; 302. a docking station; 303. an oil inlet pipe; 304. an oil hole; 305. an oil storage chamber; 4. a gear; 5. an end cap; 6. a stepped shaft; 7. an adapter base; 701. butting the annular grooves; 702. an annular frame; 703. an annular oil groove; 704. a through hole; 705. screwing holes; 706. an oil discharge groove; 707. an outer seal ring; 708. an annular neck; 8. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a connecting device for bearing grading transmission comprises a stepped shaft 6, wherein at least two gears 4 for transmission are arranged on the stepped shaft 6, bearings 8 with different outer ring diameters are arranged at different stepped parts of the stepped shaft 6, an adaptation seat 7 is sleeved on the outer ring of each bearing 8, and end covers 5 are arranged at the left end and the right end of each adaptation seat 7;

the supporting seat 3 is installed on the outer side of the adaptive seat 7, the supporting seat 3 comprises a base 301, a butt joint seat 302 is fixedly installed on the base 301 through a bolt, an oil inlet pipe 303 is installed on the butt joint seat 302, an oil storage cavity 305 is formed between the butt joint seat 302 and the oil inlet pipe 303, an auxiliary fixing frame 2 is fixedly installed below the base 301 through a bolt, the bottom of the auxiliary fixing frame 2 is fixedly installed on a connecting frame 1 through a bolt, and the connecting frame 1 is fixedly installed with external equipment through a bolt;

the adapting seat 7 comprises an annular frame 702 consisting of a pair of semi-rings, an annular clamping groove 708 which is clamped and positioned with the outer side of the supporting seat 3 is formed in the outer side of the annular frame 702, an outer sealing ring 707 used for clamping the outer side of the outer ring of the bearing 8 is integrally formed in the outer side of the annular frame 702, a butt-joint annular groove 701 is formed in the outer side of the annular frame 702, and an oil hole 304 used for communicating the oil storage cavity 305 with the butt-joint annular groove 701 is formed in the bottom of the oil storage cavity 305;

an annular oil groove 703 is formed in the position, where the annular frame 702 is in butt joint with an outer seal ring 707, of the annular frame, the annular oil groove 703 is communicated with the butt joint annular groove 701 through a through hole 704, an oil discharge groove 706 communicated with the annular oil groove 703 and used for introducing lubricating oil into a roller of the bearing 8 is formed in the outer seal ring 707, and a threaded hole 705 used for fixing the end cover 5 through a bolt is formed in the outer seal ring 707;

oil discharge tank 706 is the U-shaped groove, through-hole 704 is waist shape hole, four at least oil discharge tank 706 have all been seted up on the outer seal ring 707 of every semi-ring of annular frame 702, two at least through-holes 704 have all been seted up in the annular oil groove 703 of every semi-ring of annular frame 702, supplementary mount 2 is the steelframe, adjust connection length through bolt series connection assembly between the supplementary mount 2, oil storage chamber 305 is cylindrical, oil storage chamber 305's upper end is through screw thread and the installation of advancing oil pipe 303 spiro union, advance and install the spring check valve on the oil pipe 303, install the filter oil core in the oil storage chamber 305, link 1 adopts the waist shape hole connection of the adjustment spiro union position of being convenient for with supplementary mount 2 spiro union position department, it is provided with four group at least waist shape holes to be linear array on link 1.

The working principle is as follows: the device is a connecting device which is designed aiming at the installation of a bearing 8 in a graded transmission mechanism and is used for effectively fixing the bearings 8 with different outer ring diameters on a stepped shaft, thereby improving the general type between parts and reducing the trouble of additionally and independently designing a connecting structure between parts with the same series and different sizes. The device is mainly matched with the bearing 8 by adopting the matching seat 7 and the auxiliary fixing frame 2, and other parts are all universal. Because bearing 8 belongs to the standard component, consequently only need make a small amount of the concentration according to the type of the bearing 8 that needs use when preparation adaptation seat 7, utilize the bearing 8 that has used three kinds of different outer lane diameters in the equipment, only need design three kinds of different adaptation seats 7 carry out the adaptation can, consequently can effectual reduction and the adaptation degree of difficulty of bearing. And supplementary mount 2 itself adopts the steelframe to constitute, only need carry out the series connection installation through the bolt during use or directly carry out welded fastening can the different casing size of adaptation, and link 1 in this same device is not the connecting rod of specific shape, but in actual practical process, to the adapting unit of the structure customization that needs the installation, also can be direct abandons link 1, but direct installs supplementary mount 2 on the mechanism inner wall. When the device is used, the bearing 8 and the end cover 5 are firstly placed at the correct positions, then the annular frame 702 consisting of two half rings is sleeved on the outer ring of the bearing 8 to form the adaptation seat 7, at the moment, the base 301 and the butt joint seat 303 are sleeved on the adaptation seat 7 to form the supporting seat 3, and then the auxiliary fixing frames 2 with different series lengths are directly connected with the device shell or are indirectly connected with the device shell through the connecting frame 1. The quantity of supporting seat 3 can be adjusted according to the quantity of the bearing that needs to be fixed to can the adaptation have the hierarchical drive mechanism of 8 quantity of different transmission bearings, reduced the degree of difficulty of mechanism design and equipment. The oil storage chamber 305 that sets up on supporting seat 3 can be through sending into lubricating oil and save through advancing oil pipe 303 real-time, lubricating oil can pass oilhole 304 and get into butt joint annular groove 701 in, get into annular oil groove 703 by the through-hole afterwards, lubricating oil in the annular oil groove 703 then can carry out real-time lubrication to bearing 8 by the roller mounted position department that the oil extraction groove 706 of side flowed into bearing 8, thereby effectual improvement bearing 8's lubricated condition, the normal function of bearing has been ensured, the reliability of equipment operation has been improved, and has very high practical value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connecting device is used in bearing step transmission, includes step shaft (6), install gear (4) that two at least transmissions used on step shaft (6), and step shaft (6) install bearing (8) that the outer lane diameter is different, its characterized in that in different ladder position department: an adaptation seat (7) is sleeved on the outer ring of the bearing (8), and end covers (5) are arranged at the left end and the right end of the adaptation seat (7);

the supporting seat (3) is installed on the outer side of the adaptive seat (7), the supporting seat (3) comprises a base (301), a butt joint seat (302) is fixedly installed on the base (301) through a bolt, an oil inlet pipe (303) is installed on the butt joint seat (302), an oil storage cavity (305) is formed between the butt joint seat (302) and the oil inlet pipe (303), an auxiliary fixing frame (2) is fixedly installed below the base (301) through a bolt, the bottom of the auxiliary fixing frame (2) is fixedly installed on the connecting frame (1) through a bolt, and the connecting frame (1) is fixedly installed with external equipment through a bolt;

the adaptive seat (7) comprises an annular frame (702) consisting of a pair of semi-rings, an annular clamping groove (708) which is clamped and positioned with the outer side of the supporting seat (3) is formed in the outer side of the annular frame (702), an outer sealing ring (707) which is used for clamping the outer side of the outer ring of the bearing (8) is integrally formed in the outer side of the annular frame (702), a butt joint annular groove (701) is formed in the outer side of the annular frame (702), and an oil hole (304) which is used for communicating the oil storage cavity (305) and the butt joint annular groove (701) is formed in the bottom of the oil storage cavity (305);

annular oil groove (703) have been seted up in annular frame (702) and outer seal ring (707) butt joint position department, and through-hole (704) intercommunication between annular oil groove (703) and the butt joint annular groove (701), set up on outer seal ring (707) with annular oil groove (703) intercommunication and be used for introducing lubricating oil into oil drain groove (706) of the roller department of bearing (8), and set up on outer seal ring (707) and be used for passing through the spiro union hole (705) of bolt fastening end cover (5).

2. The connecting device for bearing stage transmission according to claim 1, wherein: the oil drainage groove (706) is a U-shaped groove, and the through hole (704) is a kidney-shaped hole.

3. The connecting device for bearing stage transmission according to claim 1, wherein: at least four oil discharge grooves (706) are formed in the outer sealing ring (707) of each half ring of the annular frame (702), and at least two through holes (704) are formed in the annular oil groove (703) of each half ring of the annular frame (702).

4. The connecting device for bearing stage transmission according to claim 1, wherein: the auxiliary fixing frames (2) are steel frames, and the auxiliary fixing frames (2) are connected in series through bolts to adjust the connection length.

5. The connecting device for bearing stage transmission according to claim 1, wherein: oil storage chamber (305) are cylindrical, and the upper end in oil storage chamber (305) passes through the screw thread and advances oil pipe (303) spiro union installation, advance to install the spring check valve on oil pipe (303), and install in oil storage chamber (305) and filter the oil core.

6. The connecting device for bearing stage transmission according to claim 1, wherein: the connecting frame (1) is connected with the screw connection position of the auxiliary fixing frame (2) through a waist-shaped hole convenient for adjusting the screw connection position, and at least four groups of waist-shaped holes are arranged on the connecting frame (1) in a linear array mode.