CN211330311U

CN211330311U - Testing device for frequency converter

Info

Publication number: CN211330311U
Application number: CN201921830424.5U
Authority: CN
Inventors: 梁国强
Original assignee: Guangzhou Chixin Mechanical And Electrical Co ltd
Current assignee: Guangzhou Chixin Mechanical And Electrical Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-08-25
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses a testing arrangement for converter, including supporting mechanism, hoist mechanism, be used for the conveying mechanism that the converter carried, conveying mechanism installs in the supporting mechanism, hoist mechanism sets up both sides around the supporting mechanism still including being used for fixed fixing base, fixed cylinder, the mount of converter, the fixing base passes through welded connection and is in the flexible end of fixed cylinder, fixed cylinder passes through bolted connection and is in on the mount. The utility model discloses utilize first cylinder and second cylinder to fix the converter, conveniently detect the head can be accurate to the terminal of living the converter test, when detecting unqualified product, through the third cylinder with unqualified converter propelling movement to the incasement of conveyer belt one side, can separate unqualified and qualified product.

Description

Testing device for frequency converter

Technical Field

The utility model relates to a converter production field especially relates to a testing arrangement for converter.

Background

The frequency converter is a power control device which applies frequency conversion technology and microelectronic technology and controls an alternating current motor by changing the working power supply frequency mode of the motor, the frequency converter adjusts the voltage and the frequency of an output power supply by switching on and off an internal IGBT (insulated gate bipolar transistor), and provides the required power supply voltage according to the actual requirement of the motor, so that the aims of saving energy and regulating speed are fulfilled. Along with the continuous improvement of the industrial automation degree, the frequency converter is also widely applied, and along with the continuous development of the power grid construction business in China, under the new standard requirement, the frequency converter has high and low voltage ride through capability so as to ensure that the power grid is not seriously affected due to frequency conversion faults. This requires that the voltage resistance of the frequency converter be tested during production, and defective products be sorted out. Most of the existing testing methods are manually and individually detected, so that more labor cost is consumed, the detection efficiency is low, and the safety is low.

SUMMERY OF THE UTILITY MODEL

The object of the utility model is just to provide a testing arrangement for converter in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a testing arrangement for converter, include supporting mechanism, hoist mechanism, be used for the conveying mechanism that the converter carried, conveying mechanism installs in the supporting mechanism, hoist mechanism sets up both sides around the supporting mechanism still including being used for fixed fixing base, fixed cylinder, the mount of converter, the fixing base passes through welded connection and is in the flexible end of fixed cylinder, fixed cylinder passes through bolted connection and is in on the mount, be used for the detection mechanism that the converter detected in addition, detection mechanism includes the universal meter, detects base, third cylinder, the universal meter is connected supporting mechanism, the universal meter adopts ELECALL tablet 33D type, it connects to detect the base supporting mechanism, the third cylinder is connected supporting mechanism.

Preferably: the supporting mechanism comprises a supporting seat and a supporting frame, and the supporting frame is connected to the positions of the two sides of the supporting seat in a welding mode.

So set up, improve the supporting seat with the joint strength of support frame.

Preferably: the lifting mechanism comprises a first air cylinder and a second air cylinder, the first air cylinder is connected with the supporting mechanism, the second air cylinder is connected with the supporting mechanism, and the first air cylinder and the second air cylinder are connected with the fixing frame through threads.

So set up, through first cylinder with the second cylinder rises simultaneously and descends and drive the mount reciprocates.

Preferably: the lifting mechanism comprises a second motor, a lead screw and an auxiliary rod, the lead screw is connected with the supporting mechanism, the auxiliary rod is connected with the supporting mechanism, the lower end of the lead screw is connected with the rotating part of the second motor through a key, the second motor is connected with the supporting mechanism, the lead screw is connected with the fixing frame through threads, and the auxiliary rod is in gap connection with the fixing frame.

According to the arrangement, the second motor is used for driving the lead screw to rotate, and the lead screw rotates to drive the fixing frame to move up and down.

Preferably: conveying mechanism includes conveying roller, conveyer belt, band pulley, belt, first motor, and is three the conveying roller is connected supporting mechanism, the conveying roller outside sets up the conveyer belt, first motor is connected supporting mechanism, two the band pulley all connects respectively through the key the first motor rotation portion outside with the conveying roller front end.

So set up, utilize first motor through two the band pulley with the belt drives the conveying roller rotates, through two the conveying roller rotates and drives the conveyer belt rotates, send the converter to two position between the fixing base.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the first air cylinder and the second air cylinder are used for fixing the frequency converter, so that the detection head can accurately test a binding post of the frequency converter conveniently;

2. when detecting unqualified product, through the third cylinder with unqualified converter propelling movement to the incasement of conveyer belt one side, can separate unqualified and qualified product.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a testing device for a frequency converter according to the present invention;

fig. 2 is a schematic structural diagram of embodiment 1 of the testing device for the frequency converter according to the present invention;

fig. 3 is a schematic structural diagram of embodiment 2 of the testing apparatus for a frequency converter according to the present invention;

fig. 4 is a right side view of the testing apparatus for a frequency converter according to the present invention;

fig. 5 is a partial sectional view of the testing device for a frequency converter according to the present invention;

fig. 6 is a partial top view of the testing apparatus for frequency converter of the present invention.

The reference numerals are explained below:

1. a support mechanism; 2. a fixed seat; 3. a lifting mechanism; 4. a detection mechanism; 5. a conveying mechanism; 6. fixing the air cylinder; 7. a fixed mount; 11. a supporting seat; 12. a support frame; 31. a first cylinder; 32. a second cylinder; 311. a second motor; 312. a lead screw; 313. an auxiliary lever; 41. a universal meter; 42. detecting a base; 43. a third cylinder; 51. a conveying roller; 52. a conveyor belt; 53. a pulley; 54. a belt; 55. a first motor.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

a testing arrangement for converter, including supporting mechanism 1, hoist mechanism 3, a conveying mechanism 5 for the converter is carried, conveying mechanism 5 installs in supporting mechanism 1, hoist mechanism 3 sets up both sides around supporting mechanism 1, still including being used for fixed fixing base 2 of converter, fixed cylinder 6, mount 7, fixing base 2 is through the flexible end of welded connection in fixed cylinder 6, fixed cylinder 6 passes through bolted connection on mount 7, detection mechanism 4 that is used for the converter to detect in addition, detection mechanism 4 includes universal meter 41, detect base 42, third cylinder 43, universal meter 41 passes through bolted connection at support frame 12 top, it is inboard at support frame 12 that detection base 42 passes through bolted connection, third cylinder 43 passes through bolted connection in supporting seat 11 the place ahead.

Example 1

As shown in fig. 1, 2, 4, 5 and 6, the supporting mechanism 1 includes a supporting seat 11 and a supporting frame 12, the supporting frame 12 is connected to two sides of the supporting seat 11 by welding, so as to improve the connection strength between the supporting seat 11 and the supporting frame 12; the lifting mechanism 3 comprises a first air cylinder 31 and a second air cylinder 32, the first air cylinder 31 is connected to the support frame 12 through a bolt, the second air cylinder 32 is connected to the support frame 12 through a bolt, the first air cylinder 31 and the second air cylinder 32 are both connected to the fixing frame 7 through threads, and the fixing frame 7 is driven to move up and down by the simultaneous lifting and descending of the first air cylinder 31 and the second air cylinder 32; conveying mechanism 5 includes conveying roller 51, conveyer belt 52, band pulley 53, belt 54, first motor 55, three conveying roller 51 all passes through the bearing connection on supporting seat 11, the conveying roller 51 outside sets up at conveyer belt 52, first motor 55 passes through bolted connection in supporting seat 11, two band pulleys 53 all connect respectively in the outside of first motor 55 rotation portion and conveying roller 51 front end through the key, utilize first motor 55 to drive conveying roller 51 through two band pulleys 53 and belt 54 and rotate, rotate through two conveying roller 51 and drive conveyer belt 52 and rotate, send the converter to position between two fixing bases 2.

The working principle is as follows: when an operator operates the frequency converter testing device, firstly, a frequency converter is placed on a conveying belt 52, a first motor 55 drives a conveying roller 51 to rotate through a belt wheel 53 and a belt 54, the frequency converter is moved between two fixed seats 2 through the rotation of the conveying belt 52, at the moment, the fixed air cylinder 6 pushes the fixed seats 2 to fix the frequency converter, then, two ends of a fixed frame 7 are pushed up by utilizing a first air cylinder 31 and a second air cylinder 32, the fixed frame 7 stops rising when the P end, the N end, the R end, the S end and the T end of the frequency converter are all contacted with contacts on a detection base 42, then, the frequency converter is tested through a universal meter 41, the frequency converter after the test is placed on the conveying belt 52 again, and if the frequency converter is qualified in the test, the frequency converter is sent to the next step; if the unqualified frequency converter is detected, the frequency converter is pushed away from the conveying belt 52 by the third air cylinder 43 to the collecting box when passing through the third air cylinder 43, and then the unqualified frequency converter and the qualified frequency converter are separated.

Through the detection mechanism who adopts the converter, can be quick carry out the fixed test to the converter, can effectual improvement test speed with reject unqualified product, drive mount 7 through first cylinder 31 and second cylinder 32 and go up and down, recycle fixed cylinder 6 and fixing base 2 and fix the converter, detect the back to the converter through universal meter 41 and detection base 42, can utilize the extension of third cylinder 43 pars contractilis to reject unqualified converter, consequently, can improve the test speed and the efficiency of converter like this, and can separate unqualified converter.

Example 2

As shown in fig. 3, the difference between embodiment 2 and embodiment 1 is that the lifting mechanism 3 includes a second motor 311, a lead screw 312, and an auxiliary rod 313, the lead screw 312 is connected to the support mechanism 1, the auxiliary rod 313 is connected to the support frame 12 by welding, the lower end of the lead screw 312 is connected to the rotating portion of the second motor 311 by a key, the second motor 311 is connected to the support frame 12 by a bolt, the lead screw 312 is connected to the fixing frame 7 by a thread, the auxiliary rod 313 is connected to the fixing frame 7 by a gap, the lead screw 312 is driven by the second motor 311 to rotate, and the fixing frame 7 is driven by the rotation of the lead screw 312 to move up.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A testing arrangement for converter, including supporting mechanism (1), hoist mechanism (3), conveying mechanism (5) are installed in supporting mechanism (1), hoist mechanism (3) set up both sides around supporting mechanism (1), its characterized in that: still include fixing base (2), fixed cylinder (6), mount (7), detection mechanism (4), fixing base (2) are in through welded connection fixed cylinder (6) flexible end, fixed cylinder (6) pass through bolted connection be in on mount (7), detection mechanism (4) include universal meter (41), detect base (42), third cylinder (43), universal meter (41) are connected supporting mechanism (1), detect base (42) and connect supporting mechanism (1), third cylinder (43) are connected supporting mechanism (1).

2. The test device for a frequency converter according to claim 1, characterized in that: the supporting mechanism (1) comprises a supporting seat (11) and a supporting frame (12), wherein the supporting frame (12) is connected to the positions of the two sides of the supporting seat (11) in a welding mode.

3. The test device for a frequency converter according to claim 1, characterized in that: the lifting mechanism (3) comprises a first air cylinder (31) and a second air cylinder (32), the first air cylinder (31) is connected with the supporting mechanism (1), the second air cylinder (32) is connected with the supporting mechanism (1), and the first air cylinder (31) and the second air cylinder (32) are connected with the fixed frame (7) through threads.

4. The test device for a frequency converter according to claim 1, characterized in that: lifting mechanism (3) include second motor (311), lead screw (312), auxiliary rod (313), lead screw (312) are connected supporting mechanism (1), auxiliary rod (313) are connected supporting mechanism (1), lead screw (312) lower extreme is in through the key joint second motor (311) rotation portion, second motor (311) are connected supporting mechanism (1), lead screw (312) are in through threaded connection mount (7), auxiliary rod (313) gap connection be in on mount (7).

5. The test device for a frequency converter according to claim 1, characterized in that: conveying mechanism (5) include conveying roller (51), conveyer belt (52), band pulley (53), belt (54), first motor (55), and is three conveying roller (51) are connected supporting mechanism (1), the conveying roller (51) outside sets up conveying belt (52), first motor (55) are connected supporting mechanism (1), two band pulley (53) all connect respectively through the key first motor (55) rotating part outside with conveying roller (51) front end.