CN216309677U

CN216309677U - Detection device for bearing hardness test

Info

Publication number: CN216309677U
Application number: CN202122888839.1U
Authority: CN
Inventors: 朱勤; 赵金鹏; 洪晓丽; 许永贵
Original assignee: Anhui Jiarui Bearing Co ltd
Current assignee: Anhui Jiarui Bearing Co ltd; Ningbo Cixi Import & Export Holding Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-15
Anticipated expiration: 2031-11-19

Abstract

The utility model belongs to the technical field of bearing detection, and aims to solve the problems that an existing bearing hardness detection device generally needs an operator to apply pressure to a bearing to fix the bearing, so that the hardness detection efficiency and the accuracy of a hardness detection result are not improved, and after a certain point is detected, the bearing needs to be manually rotated by a certain angle to detect the next point, so that the detection efficiency is further reduced; according to the utility model, the pneumatic clamping assemblies and the pressurizing assemblies are arranged in multiple groups, so that the bearing is effectively fixed, the hardness detection efficiency and the accuracy of a detection result are improved, the single bearing is conveniently subjected to multi-point detection, and the use is facilitated.

Description

Detection device for bearing hardness test

Technical Field

The utility model relates to the technical field of bearing detection, in particular to a detection device for bearing hardness test.

Background

The hardness is one of common indexes for metal material evaluation, can effectively reflect the mechanical property of metal, often determines the physical property and the use condition of the metal, can reflect the difference of the properties of the metal material under the conditions of tissue structure, heat treatment process and different chemical compositions, is generally detected by a hardness detection device, and often needs to be detected in the production and processing process of the bearing;

when the existing bearing hardness detection device is used, an operator is generally required to apply pressure to the bearing to fix the bearing, hardness detection is inconvenient, the fixing effect of the bearing is poor, the hardness detection efficiency and the accuracy of a hardness detection result are not improved, potential safety hazards exist, when hardness detection is carried out, multiple points of a single bearing are generally required to be detected, after detection of a certain point is completed, the bearing needs to be manually rotated by a certain angle to detect the next point, and the detection efficiency is further reduced;

in view of the above technical drawbacks, a solution is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a detection device for bearing hardness testing, and solves the problems that an existing bearing hardness detection device generally needs an operator to apply pressure to a bearing to fix the bearing, the hardness detection efficiency and the accuracy of a hardness detection result are not improved, and when a certain point is detected, the bearing needs to be manually rotated by a certain angle to detect the next point, so that the detection efficiency is further reduced.

In order to achieve the purpose, the utility model provides the following technical scheme:

a detection device for bearing hardness testing comprises a hardness detection mechanism, a fixed seat, a vertical plate and a horizontal plate, wherein the vertical plate is fixedly installed at the top of the fixed seat through a bolt, the horizontal plate is fixedly installed at the top of the vertical plate through a bolt, the hardness detection mechanism is positioned below the horizontal plate, and a horizontal driving assembly for adjusting the position of the hardness detection mechanism is installed on the vertical plate; the top of the fixed seat is rotatably provided with a bearing disc, the bearing disc is provided with a plurality of groups of pneumatic clamping assemblies, and the pneumatic clamping assemblies are distributed in an annular array around the circle center of the bearing disc;

a first driving motor is fixedly arranged on the fixed seat through a motor seat, and a transmission rod is arranged at the output end of the first driving motor; bear the bottom fixed mounting of dish and have hollow pivot, the bottom and the fixing base of hollow pivot rotate to be connected, and the transfer line passes through bevel gear group and is connected with hollow pivot meshing transmission.

Further, the pneumatic clamping assembly comprises a piston cylinder, a second piston, a piston rod, a reset spring and a clamping block, the piston cylinder is fixedly mounted on the bearing disc through a bolt, the second piston is arranged in the piston cylinder, the piston rod is arranged on the second piston, the other end of the piston rod penetrates out of the piston cylinder and is connected with the clamping block, the reset spring is sleeved on the piston rod and is located in the piston cylinder, and the reset spring is connected with the second piston.

Furthermore, the clamping block is arc-shaped, an anti-skid layer is arranged on the inner arc surface of the clamping block, and the anti-skid layer props against the outer ring of the bearing.

Furthermore, set up first pressure boost chamber in the fixing base, hold and set up second pressure boost chamber in the dish, and hollow rotating shaft intercommunication first pressure boost chamber and second pressure boost chamber, hold and be equipped with the gas-distributing pipe of multiunit and second pressure boost chamber intercommunication on the dish, and gas-distributing pipe and the piston section of thick bamboo intercommunication that corresponds, be provided with the pressure release pipe that has the valve on the first pressure boost chamber, and be equipped with on the fixing base and carry out the pressure boost subassembly that pressurizes to first pressure boost chamber.

Furthermore, the pressurizing assembly comprises a first piston, an electric telescopic rod, a one-way input pipe and a one-way output pipe, a vertically arranged connecting cavity is formed in the fixed seat, the first piston is movably arranged in the connecting cavity, and the electric telescopic rod is arranged in the connecting cavity and connected with the top of the first piston; and the fixed seat is provided with a one-way input pipe and a one-way output pipe which are communicated with the connecting cavity, the other end of the one-way input pipe is communicated with the outside, and the other end of the one-way output pipe is communicated with the first pressurizing cavity.

Furthermore, the horizontal driving assembly comprises a second driving motor, a moving block and a screw rod, the second driving motor is fixedly installed on the vertical plate through a motor base, the screw rod is horizontally arranged and is rotatably connected with the vertical plate through a bearing, and the output end of the second driving motor is connected with the screw rod; the moving block is slidably mounted at the bottom of the horizontal plate, the moving block is in threaded connection with the screw, and the hardness detection mechanism is connected with the bottom of the moving block.

Further, the bottom of bearing the dish is installed the ball, the top of fixing base corresponds and is equipped with annular guide way, the ball is located the guide way and with fixing base roll connection.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, by arranging the plurality of groups of pneumatic clamping assemblies, the bearing is not required to be fixed by applying pressure manually, the fixing effect on the bearing is also obviously improved, the operation is simple, the hardness detection is facilitated, and the hardness detection efficiency and the accuracy of the detection result are improved;

2. in the utility model, the pressurized gas is output through the pressurizing assembly, and the pressurized gas is output through the first pressurizing cavity, the hollow rotating shaft, the second pressurizing cavity and the gas distribution pipe, so that the pushing and clamping operation on all the pneumatic clamping assemblies can be realized at one time, the time and the labor are saved in the fixing process, and the bearing can be conveniently fixed and loosened;

3. according to the utility model, the transmission rod is rotated by the first driving motor, and finally the bearing disc is driven to rotate by a certain angle through the hollow rotating shaft, so that multi-point detection can be conveniently carried out on a single bearing, the detection of the next point is carried out without manually rotating the bearing, and the detection efficiency and the accuracy of a detection result are further improved;

4. according to the utility model, the horizontal driving assembly is arranged, so that the position of the hardness detection mechanism can be conveniently adjusted, and the use is facilitated.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings;

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

FIG. 2 is a schematic view (in elevation) of the connection of a carrier platter and a pneumatic clamping assembly of the present invention;

FIG. 3 is a schematic illustration (top view) of the connection of the carrier platter and the pneumatic clamping assembly of the present invention;

FIG. 4 is a schematic diagram of the pneumatic clamping assembly of FIG. 3;

FIG. 5 is a schematic structural view of the pressure intensifier assembly of FIG. 1;

fig. 6 is an enlarged view of a portion a in fig. 1.

Reference numerals: 1. a hardness detection mechanism; 2. a fixed seat; 3. a carrier tray; 4. a pressurizing assembly; 5. a pneumatic clamping assembly; 6. a horizontal drive assembly; 7. a vertical plate; 8. a horizontal plate; 9. a first drive motor; 10. a transmission rod; 11. a hollow rotating shaft; 12. a first plenum chamber; 13. a pressure relief pipe; 14. a second plenum chamber; 15. a gas distributing pipe; 16. a ball bearing; 17. a bevel gear set; 41. a first piston; 42. a connecting cavity; 43. an electric telescopic rod; 44. a one-way input tube; 45. a unidirectional output pipe; 51. a piston cylinder; 52. a second piston; 53. a piston rod; 54. a return spring; 55. a clamping block; 56. an anti-slip layer; 61. a second drive motor; 62. a moving block; 63. a screw.

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, 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 first embodiment is as follows:

as shown in fig. 1-4, the detection device for testing the bearing hardness provided by the utility model comprises a hardness detection mechanism 1, wherein a vertical plate 7 is fixedly installed at the top of a fixed seat 2 through a bolt, a horizontal plate 8 is fixedly installed at the top of the vertical plate 7 through a bolt, the hardness detection mechanism 1 is located below the horizontal plate 8, the hardness detection mechanism 1 is used for detecting the hardness of a bearing, the hardness detection mechanism 1 belongs to the prior art, a bearing disc 3 is rotatably installed at the top of the fixed seat 2, a ball 16 is installed at the bottom of the bearing disc 3, an annular guide groove is correspondingly arranged at the top of the fixed seat 2, the ball 16 is located in the guide groove and is in rolling connection with the fixed seat 2, and when the bearing disc 3 rotates, the ball 16 rolls in the guide groove to play a role in guiding and supporting, which is beneficial to the stability of the rotation process of the bearing disc 3;

the bearing disc 3 is provided with a plurality of groups of pneumatic clamping assemblies 5, and the pneumatic clamping assemblies 5 are distributed in an annular array around the circle center of the bearing disc 3; a first driving motor 9 is fixedly installed on the fixed seat 2 through a motor seat, a transmission rod 10 is installed at the output end of the first driving motor 9, and the first driving motor 9 is used for driving the transmission rod 10; a hollow rotating shaft 11 is fixedly installed at the bottom of the bearing disc 3, the bottom end of the hollow rotating shaft 11 is rotatably connected with the fixed seat 2, and the transmission rod 10 is in meshing transmission connection with the hollow rotating shaft 11 through a bevel gear set 17;

the pneumatic clamping assembly 5 comprises a piston cylinder 51, the piston cylinder 51 is fixedly installed on the bearing disc 3 through a bolt, the second piston 52 is arranged in the piston cylinder 51, a piston rod 53 is arranged on the second piston 52, the other end of the piston rod 53 penetrates through the piston cylinder 51 and is connected with a clamping block 55, a return spring 54 is sleeved on the piston rod 53 and is positioned in the piston cylinder 51, and the return spring 54 is connected with the second piston 52; the clamping block 55 is arc-shaped, the inner arc surface of the clamping block 55 is provided with an anti-skid layer 56, the anti-skid layer 56 supports against the outer ring of the bearing, and the anti-skid layer 56 is arranged to improve the friction coefficient of the inner arc surface of the clamping block 55, so that the fixing effect of the bearing is improved.

Example two:

as shown in fig. 1-2 and fig. 5-6, the present embodiment is different from embodiment 1 in that a first pressurizing cavity 12 is formed in a fixed seat 2, a second pressurizing cavity 14 is formed in a bearing plate 3, a hollow rotating shaft 11 communicates with the first pressurizing cavity 12 and the second pressurizing cavity 14, a plurality of sets of gas distribution pipes 15 communicated with the second pressurizing cavity 14 are arranged on the bearing plate 3, the gas distribution pipes 15 communicate with corresponding piston cylinders 51, a pressure relief pipe 13 with a valve is arranged on the first pressurizing cavity 12, and a pressurizing assembly 4 for pressurizing the first pressurizing cavity 12 is arranged on the fixed seat 2;

the pressurizing assembly 4 comprises a first piston 41, a vertically arranged connecting cavity 42 is formed in the fixed seat 2, the first piston 41 is movably arranged in the connecting cavity 42, and an electric telescopic rod 43 is arranged in the connecting cavity 42 and connected with the top of the first piston 41; the fixed seat 2 is provided with a one-way input pipe 44 and a one-way output pipe 45 which are communicated with the connecting cavity 42, the other end of the one-way input pipe 44 is communicated with the outside, the other end of the one-way output pipe 45 is communicated with the first pressurizing cavity 12, and the one-way input pipe 44 and the one-way output pipe 45 realize the one-way delivery of gas by arranging one-way valves;

in a specific using process, when the bearings need to be clamped and fastened, the bearings are placed between the pneumatic clamping assemblies 5, so that the electric telescopic rod 43 repeatedly extends and shortens, when the electric telescopic rod 43 shortens, the first piston 41 is pulled to move upwards, outside air enters the connecting cavity 42 through the one-way input pipe 44, when the electric telescopic rod 43 extends, the first piston 41 is pushed to move downwards, and air in the connecting cavity 42 enters the first pressurizing cavity 12 through the one-way output pipe 45;

the air in the first pressurizing cavity 12 enters the second pressurizing cavity 14 through the hollow rotating shaft 11, the second pressurizing cavity 14 conveys the pressurized air to the piston cylinders 51 in each group of pneumatic clamping assemblies 5 through the multi-component air pipes 15, and therefore the groups of clamping blocks 55 are finally pushed to be continuously gathered and clamp the outer rings of the bearings, effective fixation of the bearings is achieved, detection efficiency and accuracy of detection results are improved, operation is simple, pushing and clamping operation on all the pneumatic clamping assemblies 5 can be achieved at one time, and time and labor are saved in the fixing process; when the bearing needs to be loosened, the valve on the pressure relief pipe 13 is opened to discharge the air inside.

Example three:

as shown in fig. 1, the present embodiment is different from embodiments 1 and 2 in that a vertical plate 7 is provided with a horizontal driving assembly 6 for adjusting the position of the hardness detection mechanism 1, the horizontal driving assembly 6 includes a second driving motor 61, the second driving motor 61 is fixedly mounted on the vertical plate 7 through a motor base, a screw 63 is horizontally arranged and rotatably connected with the vertical plate 7 through a bearing, an output end of the second driving motor 61 is connected with the screw 63, and the second driving motor 61 is used for driving the screw 63; the moving block 62 is slidably mounted at the bottom of the horizontal plate 8, the moving block 62 is in threaded connection with the screw 63, and the hardness detection mechanism 1 is connected with the bottom of the moving block 62; the bottom of one side of the horizontal plate 8, which is far away from the vertical plate 7, is provided with a limiting block, and the limiting block is matched with the vertical plate 7 to limit the movement range of the moving block 62;

in specific use, through starting second driving motor 61, second driving motor 61 makes screw 63 rotate, and movable block 62 carries out lateral motion along horizontal plate 8 to drive hardness detection mechanism 1 and move, realize the regulation to hardness detection mechanism 1 position, when carrying out hardness detection to the bearing of different diameters, only need adjust hardness detection mechanism 1 the position can, application scope is wide, excellent in use effect.

The working principle of the utility model is as follows: when the bearing clamp is used, a bearing is placed between each group of pneumatic clamping assemblies 5, pressurized gas is conveyed into the piston cylinder 51 of each group of pneumatic clamping assemblies 5, along with the continuous increase of the internal air pressure, the second piston 52 moves in the piston cylinder 51 and pushes the piston rod 53 outwards (the reset spring 54 is compressed continuously in the process), each group of piston rods 53 push the clamping blocks 55 to be continuously closed and clamp the bearing, the effective fixation of the bearing is realized, and the hardness detection efficiency and the accuracy of the detection result are obviously improved; when the bearing needs to be loosened, the air in each group of the pneumatic clamping assemblies 5 is exhausted, the return spring 54 is reset and pushes the second piston 52, and the second piston 52 pulls the clamping block 55 to be continuously away from the bearing through the piston rod 53;

the pressurizing gas is output through the pressurizing assembly 4, and the pressurizing gas is output through the first pressurizing cavity 12, the hollow rotating shaft 11, the second pressurizing cavity 14 and the gas distributing pipe 15, so that the bearing is convenient to fix and loosen, the operation is simple, the pushing and clamping operation on all the pneumatic clamping assemblies 5 can be realized at one time, and the time and the labor are saved in the fixing process; after a certain point is detected, the first driving motor 9 enables the transmission rod 10 to rotate, the transmission rod 10 drives the hollow rotating shaft 11 to rotate through the bevel gear set 17, the hollow rotating shaft 11 drives the bearing disc 3 to rotate for a certain angle, so that the hardness of the next point of a single bearing is detected, the bearing does not need to be manually rotated to detect the next point, and the detection efficiency and the detection accuracy are further improved; through setting up horizontal drive assembly 6, conveniently adjust the position of hardness detection mechanism 1, help using.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A detection device for bearing hardness testing comprises a hardness detection mechanism (1), a fixed seat (2), a vertical plate (7) and a horizontal plate (8), wherein the vertical plate (7) is fixedly installed at the top of the fixed seat (2) through a bolt, and the horizontal plate (8) is fixedly installed at the top of the vertical plate (7) through a bolt, and is characterized in that the hardness detection mechanism (1) is positioned below the horizontal plate (8), and a horizontal driving assembly (6) for carrying out position adjustment on the hardness detection mechanism (1) is installed on the vertical plate (7); the top of the fixed seat (2) is rotatably provided with a bearing disc (3), pneumatic clamping assemblies (5) are mounted on the bearing disc (3), and the pneumatic clamping assemblies (5) are in multiple groups and distributed in an annular array around the circle center of the bearing disc (3);

a first driving motor (9) is fixedly installed on the fixed seat (2) through a motor seat, and a transmission rod (10) is installed at the output end of the first driving motor (9); bear the bottom fixed mounting of dish (3) and have hollow pivot (11), the bottom and fixing base (2) of hollow pivot (11) rotate to be connected, and transfer line (10) are connected through bevel gear group (17) and hollow pivot (11) meshing transmission.

2. The detection device for the bearing hardness test is characterized in that the pneumatic clamping assembly (5) comprises a piston cylinder (51), a second piston (52), a piston rod (53), a return spring (54) and a clamping block (55), the piston cylinder (51) is fixedly installed on the bearing disc (3) through a bolt, the second piston (52) is arranged in the piston cylinder (51), the piston rod (53) is arranged on the second piston (52), the other end of the piston rod (53) penetrates through the piston cylinder (51) and is connected with the clamping block (55), the return spring (54) is sleeved on the piston rod (53) and is located in the piston cylinder (51), and the return spring (54) is connected with the second piston (52).

3. The detection device for the bearing hardness test is characterized in that the clamping block (55) is arc-shaped, an inner arc surface of the clamping block (55) is provided with an anti-slip layer (56), and the anti-slip layer (56) abuts against an outer ring of the bearing.

4. The detection device for the bearing hardness test according to claim 3, wherein a first pressurizing cavity (12) is formed in the fixed seat (2), a second pressurizing cavity (14) is formed in the bearing plate (3), the hollow rotating shaft (11) is communicated with the first pressurizing cavity (12) and the second pressurizing cavity (14), a plurality of groups of gas distribution pipes (15) communicated with the second pressurizing cavity (14) are arranged on the bearing plate (3), the gas distribution pipes (15) are communicated with corresponding piston cylinders (51), a pressure relief pipe (13) with a valve is arranged on the first pressurizing cavity (12), and a pressurizing assembly (4) for pressurizing the first pressurizing cavity (12) is arranged on the fixed seat (2).

5. The detection device for the bearing hardness test is characterized in that the pressurizing assembly (4) comprises a first piston (41), an electric telescopic rod (43), a one-way input pipe (44) and a one-way output pipe (45), a vertically arranged connecting cavity (42) is formed in the fixed seat (2), the first piston (41) is movably arranged in the connecting cavity (42), and the electric telescopic rod (43) is installed in the connecting cavity (42) and connected with the top of the first piston (41); the fixed seat (2) is provided with a one-way input pipe (44) and a one-way output pipe (45) which are communicated with the connecting cavity (42), the other end of the one-way input pipe (44) is communicated with the outside, and the other end of the one-way output pipe (45) is communicated with the first pressurizing cavity (12).

6. The detection device for the bearing hardness test is characterized in that the horizontal driving assembly (6) comprises a second driving motor (61), a moving block (62) and a screw rod (63), the second driving motor (61) is fixedly installed on a vertical plate (7) through a motor base, the screw rod (63) is horizontally arranged and is rotatably connected with the vertical plate (7) through a bearing, and the output end of the second driving motor (61) is connected with the screw rod (63); the moving block (62) is installed at the bottom of the horizontal plate (8) in a sliding mode, the moving block (62) is in threaded connection with the screw (63), and the hardness detection mechanism (1) is connected with the bottom of the moving block (62).

7. The detection device for the bearing hardness test is characterized in that balls (16) are mounted at the bottom of the bearing disc (3), annular guide grooves are correspondingly formed in the top of the fixed seat (2), and the balls (16) are located in the guide grooves and are in rolling connection with the fixed seat (2).