CN211206107U

CN211206107U - Low-noise high-precision loading and unloading device for Brinell hardness tester

Info

Publication number: CN211206107U
Application number: CN201921873799.XU
Authority: CN
Inventors: 王耀仪; 杨国成
Original assignee: Laizhou Weiyi Experiment Machine Manufacturing Co ltd
Current assignee: Laizhou Weiyi Experiment Machine Manufacturing Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-08-07
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a brinell hardness tester of low noise high accuracy adds unloading device, including setting up automatic rising loading and unloading device in casing inner chamber, wherein automatic rising loading and unloading device include dull and stereotyped fixing base, first pivot, electronic putter, push rod joint, guide arm, guide bar seat, gyro wheel, big lever, compare with prior art, simple structure, reasonable in design, higher manufacturing and installation accuracy need be guaranteed to each spare part, the effectual various noises that produce when having reduced equipment operation have saved the use maintenance cost, begin with the popularization.

Description

Low-noise high-precision loading and unloading device for Brinell hardness tester

Technical Field

The utility model relates to a machinery technical field, electrical control and sclerometer, specific be a brinell hardness tester of low noise high accuracy adds unloading device.

Background

Some conventional Brinell hardness testers utilize 380V motors to realize the application and removal of test force through mechanisms such as speed changers, levers and the like, some conventional Brinell hardness testers utilize specific motors to realize the application and removal of test force through mechanisms such as couplers, lead screws, lifting nuts, support rods and the like, the mechanisms have numerous parts and complex structures and assemblies, generate large noise during operation, all the parts need to ensure high machining, manufacturing and mounting precision, and the conventional structures occupy large manpower and financial resources in after-sale maintenance of products, so that the machining and manufacturing cost of the products is increased, and the use and maintenance cost of users is also increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide thereby with the application of simpler structure, lower noise operation realization test force and the sclerometer that unloads to solve above-mentioned technical problem.

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

a low-noise high-precision loading and unloading device for a Brinell hardness tester comprises an automatic lifting loading and unloading device arranged in an inner cavity of a machine body, wherein the automatic lifting loading and unloading device comprises a flat plate fixing seat, a first rotating shaft, an electronic push rod, a push rod joint, a guide rod seat, a roller and a large lever; the electronic push rod comprises a motor, a gear speed change transmission device, a piston rod cylinder, a piston rod and a fixed pin shaft, wherein the motor is positioned at the lower part of the electronic push rod; the push rod joint is connected with the guide rod seat through a guide rod, and the roller is connected with the guide rod and the push rod joint through a second rotating shaft and can freely rotate around the second rotating shaft; the lower end plane of the large lever is fixedly provided with an insulating plate and a conductive block which are contacted with the roller.

Furthermore, the upper part of the flat plate fixing seat is provided with a raised boss with holes, the boss is connected with the connecting support at the lower end of the electronic push rod through a first rotating shaft, and two ends of the first rotating shaft are respectively provided with a split pin to prevent the first rotating shaft from axially falling off.

Furthermore, the electronic push rod is hinged on the flat plate fixing seat and can freely rotate around the first rotating shaft.

Furthermore, the electronic push rod consists of a connecting support, a motor, a gear speed change transmission device, a piston rod cylinder and a piston rod, and when the electronic push rod works, the piston rod can freely move up and down in a designed range under the driving of the motor through the gear speed change transmission device.

Furthermore, the push rod joint is fixedly connected with the piston rod through a fixed pin shaft, and the push rod joint is fastened reliably and does not loosen.

Furthermore, one end of the guide rod is connected with the shell through a pin shaft and a guide rod seat, and the guide rod can freely rotate around the pin shaft; the other end of the guide rod is connected with the push rod joint and the roller through a second rotating shaft, the roller can freely rotate around the second rotating shaft, and two split pins are respectively arranged at two ends of the second rotating shaft to prevent the second rotating shaft from axially disengaging.

Furthermore, an insulating plate and a conductive block are fixedly arranged on the lower end face of the large lever in sequence, and the conductive block is in contact with the roller.

The beneficial technical effects of the utility model are that, the utility model provides a novel add unloading mechanism low noise high accuracy brinell hardness tester, simple structure, reasonable in design, each spare part has guaranteed higher manufacturing and installation accuracy, and the effectual various noises that produce when having reduced equipment operation have saved and have used the maintenance cost, begin with the popularization.

Drawings

Fig. 1 is a schematic structural view of the brinell hardness tester of the present invention.

The attached drawings are marked as follows: 1. the device comprises a shell, 2, a flat plate fixing seat, 3, a first rotating shaft, 4, an electronic push rod, 5, a piston rod, 6, a guide rod seat, 7, a pin shaft, 8, a guide rod, 9, a push rod joint, 10, a roller, 11, a conductive block, 12, a large lever, 13, a connecting support, 14, a motor, 15, a gear speed change transmission device, 16, a piston rod cylinder, 17, a fixed pin shaft, 18, a second rotating shaft, 19 and an insulating plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the low-noise high-precision loading and unloading device for the Brinell hardness tester comprises an automatic lifting loading and unloading device arranged in an inner cavity of a machine body 1, wherein the automatic lifting loading and unloading device comprises a flat plate fixing seat 2, a first rotating shaft 3, an electronic push rod 4, a push rod joint 9, a guide rod 8, a guide rod seat 6, a roller 10 and a large lever 12. The electronic push rod mechanism is characterized in that the flat plate fixing seat 2 is fixedly arranged on the machine shell 1 and is hinged with an electronic push rod 4 through a first rotating shaft 3, and the electronic push rod 4 can freely rotate around the first rotating shaft 3; the electronic push rod 4 comprises a motor 14 positioned at the lower part of the electronic push rod, a gear change transmission device 15, a piston rod cylinder 16 positioned at the upper part of the electronic push rod, a freely telescopic piston rod 5 and a fixed pin shaft 17, wherein the top of the piston rod 5 is fixedly provided with a push rod joint 9; the push rod joint 9 is connected with the guide rod seat 6 through a guide rod 8, and the roller 10 is connected with the guide rod 8 and the push rod joint 9 through a second rotating shaft 18 and can freely rotate around the second rotating shaft 18; an insulating plate 19 and a conductive block 11 which are contacted with the roller 10 are fixedly arranged on the lower end plane of the large lever 12.

As a further improvement, the upper portion of the flat fixing base 2 is a boss with a convex hole, the boss is connected with the connecting bracket 13 of the lower end of the electronic push rod 4 through the first rotating shaft 3, and the two ends of the first rotating shaft 3 are respectively provided with a split pin to prevent the first rotating shaft 3 from being axially separated.

As a further improvement of the present invention, the electronic push rod 4 is hinged on the flat plate fixing base 2 and can rotate freely around the first rotating shaft 3.

As a further improvement of the present invention, the electronic push rod 4 is composed of the connecting bracket 13, the motor 14, the gear transmission device 15, the piston rod cylinder 16 and the piston rod 5, and during operation, under the driving of the motor 14, the piston rod 5 is freely moved up and down in the designed range through the gear transmission device 15.

As a further improvement of the utility model, the push rod joint 9 is fixedly connected with the piston rod 5 through the fixed pin shaft 17, and the push rod joint 9 is fastened reliably and is not loosened.

As a further improvement of the utility model, one end of the guide rod 8 is connected with the casing 1 through the pin 7 and the guide rod seat 6, and the guide rod 8 can freely rotate around the pin 7; the other end of the guide rod 8 is connected with the push rod joint 9 and the roller 10 through a second rotating shaft 18, the roller 10 can freely rotate around the second rotating shaft 18, and two ends of the second rotating shaft 18 are respectively provided with a split pin to prevent the second rotating shaft 18 from axially falling off.

As a further improvement of the utility model, wherein the lower end face of the large lever 12 is fixedly provided with an insulating plate 19 and a conductive block 11 in sequence, and the conductive block 11 is contacted with the roller 10.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-noise high-precision Brinell hardness tester loading and unloading device comprises an automatic lifting loading and unloading device arranged in an inner cavity of a machine shell (1), wherein the automatic lifting loading and unloading device comprises a flat plate fixing seat (2), a first rotating shaft (3), an electronic push rod (4), a push rod joint (9), a guide rod (8), a guide rod seat (6), a roller (10) and a large lever (12), and is characterized in that the flat plate fixing seat (2) is fixedly arranged on the machine shell (1) and is hinged with the electronic push rod (4) through the first rotating shaft (3), and the electronic push rod (4) can freely rotate around the first rotating shaft (3); the electronic push rod (4) comprises a motor (14) positioned at the lower part of the electronic push rod, a gear change transmission device (15), a piston rod cylinder (16) positioned at the upper part of the electronic push rod, a piston rod (5) capable of freely stretching and retracting and a fixed pin shaft (17), wherein a push rod joint (9) is fixedly arranged at the top of the piston rod (5); the push rod joint (9) is connected with the guide rod seat (6) through the guide rod (8), and the roller (10) is connected with the guide rod (8) and the push rod joint (9) through a second rotating shaft (18) and can freely rotate around the second rotating shaft (18); an insulating plate (19) and a conductive block (11) which are contacted with the roller (10) are fixedly arranged on the lower end plane of the large lever (12).

2. The loading and unloading device of the low-noise high-precision Brinell hardness tester in claim 1 is characterized in that: the upper portion of dull and stereotyped fixing base (2) is bellied foraminiferous boss, and this boss is connected through first pivot (3) and connecting bracket (13) of electron push rod (4) lower extreme, and the both ends of first pivot (3) respectively have a split pin, prevent that first pivot (3) axial from deviating from.

3. The loading and unloading device of the low-noise high-precision Brinell hardness tester in claim 2 is characterized in that: the electronic push rod (4) is hinged on the flat plate fixing seat (2) and can freely rotate around the first rotating shaft (3).

4. The loading and unloading device of the low-noise high-precision Brinell hardness tester in claim 1 is characterized in that: the electronic push rod (4) consists of a connecting support (13), a motor (14), a gear change transmission device (15), a piston rod cylinder (16) and a piston rod (5), and when the electronic push rod works, the piston rod (5) can freely move up and down in a designed range under the driving of the motor (14) and through the gear change transmission device (15).

5. The loading and unloading device of the low-noise high-precision Brinell hardness tester in claim 1 is characterized in that: the push rod joint (9) is fixedly connected with the piston rod (5) through a fixed pin shaft (17), and the push rod joint (9) is fastened reliably and cannot loosen.

6. The loading and unloading device of the low-noise high-precision Brinell hardness tester in claim 1 is characterized in that: one end of the guide rod (8) is connected with the shell (1) through a pin shaft (7) and a guide rod seat (6), and the guide rod (8) can freely rotate around the pin shaft (7); the other end of the guide rod (8) is connected with the push rod joint (9) and the roller (10) through a second rotating shaft (18), the roller (10) can freely rotate around the second rotating shaft (18), and two ends of the second rotating shaft (18) are respectively provided with a split pin to prevent the second rotating shaft (18) from axially falling out.

7. The loading and unloading device of the low-noise high-precision Brinell hardness tester in claim 1 is characterized in that: an insulating plate (19) and a conductive block (11) are fixedly arranged on the lower end face of the large lever (12) in sequence, and the conductive block (11) is in contact with the roller (10).