Motor vibration knocking test device

Abstract

The utility model relates to the field of motor knocking testing, and discloses a motor vibration knocking testing device which comprises a bottom plate, a moving groove is formed in the top of the left side of the bottom plate, a sliding groove is formed in the inner wall of the moving groove, and a moving block is slidably connected into the sliding groove. The close sides of the moving blocks at the front end and the rear end are connected with motors through limiting assemblies, the bottoms of the close sides of the moving blocks at the front end and the rear end are fixedly connected with racks, the close sides of the two racks are connected with gears in an engaged mode, a limiting frame is fixedly connected to the middle of the bottom plate, and a first electric push rod is arranged in the middle of the bottom plate. The rear end of the first electric push rod is fixedly connected with a bottom block. According to the utility model, after the moving block is moved by pulling the handle and the motor is placed at a proper position, the limiting plate is pushed by the electric push rod II to press down and press the two sides of the motor base, so that the motor is effectively limited, displacement of the motor in the testing process is avoided, and the stability of the position of the motor in the testing process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor knock test field especially, and it relates to a motor vibration knock test device. BACKGROUND

[0002] In modern industrial production, as the core power source of various mechanical equipment, the stability and reliability of the running state of the motor are directly related to the normal operation of the whole production process. Whether it is manufacturing, transportation industry, or energy field, the application of the motor is extremely wide. Any motor failure can cause serious production accidents and cause huge economic losses. In the motor performance detection link, motor vibration knock test is a crucial technical means for evaluating the structural integrity of the motor and detecting potential faults.

[0003] The knock test of the motor includes dynamic knock test and static knock test. Before the static knock test of the motor, the base of the motor is usually installed on the test platform through bolts, and the bolts are unscrewed after the test is completed. The operation is often complicated and difficult to quickly limit and fix the motor, which greatly affects the test efficiency. Therefore, in view of the problem that the existing motor fixing method is complicated, a motor vibration knock test device is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to solve the problem of the existing technology that the motor fixing method is complicated, the application provides a motor vibration knock test device.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A motor vibration knock test device, comprising a bottom plate, a moving groove is formed in the top of the left side of the bottom plate, a sliding groove is formed in the inner wall of the moving groove, a moving block is slidably connected in the sliding groove, an electric motor is connected to the side of the moving block near the front and rear ends through a limiting assembly, a rack is fixedly connected to the bottom of the side of the moving block near the front and rear ends, a gear is meshingly connected to the side of the two racks, a limiting frame is fixedly connected to the middle of the bottom plate, an electric push rod one is arranged in the middle of the bottom plate, a bottom block is fixedly connected to the rear end of the electric push rod one, a connecting rod is fixedly connected to the top of the bottom block, a knocking head is arranged at the top end of the connecting rod, and a detection device body is arranged at the right rear part of the bottom plate.

[0007] As a further improvement of the utility model, the limiting assembly comprises a limiting plate slidably connected to the side of the moving block near the front and rear ends, an electric push rod two is fixedly connected to the bottom of the limiting plate, and the bottom end of the electric push rod two is fixedly connected with the moving block.

[0008] As a further improvement of the utility model, the top end of the connecting rod is fixedly connected with a screw rod, and the screw rod is threadedly connected with the knocking head.

[0009] As a further improvement of the utility model, the top of the moving block is fixedly connected with a handle.

[0010] As a further improvement of the utility model, the top end of the limiting frame is sleeved on the outer wall of the motor transmission shaft.

[0011] As a further improvement of the utility model, the detection device body is connected with the top of the limiting frame through a circuit.

[0012] As a further improvement of the utility model, the bottom of the motor is fixedly connected with a base.

[0013] In summary, compared with the prior art, the present application has at least one of the following beneficial technical effects:

[0014] 1、In the utility model, after the motor is placed in the appropriate position by pulling the handle to move the moving block, the moving block is moved reversely, the transmission of the rack and the gear is utilized to make the two moving blocks approach synchronously, the limiting plate is pushed down by the second electric push rod, and the motor base is pressed on both sides, so that the motor is effectively limited, displacement of the motor in the test process is avoided, the stability of the motor position during the test is ensured, the efficiency of the motor installation is greatly improved, and the test efficiency is further improved.

[0015] 2、In the utility model, in the detection, the bottom block and the connecting rod are pushed by the first electric push rod, the knocking head is driven to knock the transmission shaft, vibration data is transmitted to the detection device body to realize detection, when different knocking heads need to be replaced, the existing knocking head is only screwed off from the top of the connecting rod, and the replaced knocking head can be replaced, so that the device is convenient and fast, different test requirements can be met, and the practicality and applicability of the device are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A perspective view of a motor vibration knocking test device is provided for the utility model;

[0017] Figure 2 A structure diagram of a base of a motor vibration knocking test device is provided for the utility model;

[0018] Figure 3 A structure diagram of a limiting plate of a motor vibration knocking test device is provided for the utility model;

[0019] Figure 4 A structure diagram of a gear of a motor vibration knocking test device is provided for the utility model;

[0020] Figure 5The utility model provides a kind of motor vibration knocking test device's connecting rod's structural schematic diagram.

[0021] Legend:

[0022] 1, base plate;2, moving groove;3, moving block;4, limit plate;5, motor;6, limit frame;7, knock head;8, detection device body;9, connecting rod;10, bottom block;11, electric push rod one;12, sliding slot;13, base;14, electric push rod two;15, gear;16, rack;17, screw rod. DETAILED DESCRIPTION

[0023] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0024] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art without making creative efforts based on the embodiments in the present application belong to the scope of protection of the present application.

[0025] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0026] In the description of the present application, it should be noted that if the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, or is the orientation or positional relationship when the product of the application is usually placed, it is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, if the terms "first", "second" and the like appear in the description of the present application, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0027] In addition, if the terms "horizontal", "vertical" and the like appear in the description of the present application, they do not mean that the component must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0028] In the description of the present application, it also needs to be explained that, unless otherwise explicitly specified and limited, if the terms "set", "install", "connect", "connect" appear, it should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] Embodiment 1:

[0030] A motor vibration knocking test device, comprising a bottom plate 1, a moving groove 2 is opened at the top of the left side of the bottom plate 1, a sliding groove 12 is opened in the inner wall of the moving groove 2, a moving block 3 is slidably connected in the sliding groove 12, the moving block 3 can slide in the sliding groove 12, a limiting plate 4 is slidably connected on the side near the front and rear ends of the moving block 3, the limiting plate 4 can be moved to limit the base 13, an electric push rod two 14 is fixedly connected to the bottom of the limiting plate 4, the electric push rod two 14 can move with the limiting plate 4, the bottom end of the electric push rod two 14 is connected with the moving block 3, a motor 5 is arranged on the side near the two moving blocks 3, a base 13 is fixedly connected to the bottom of the motor 5, a rack 16 is fixedly connected to the bottom of the side near the front and rear ends of the moving block 3, the rack 16 can move when the moving block 3 moves, the side near the two racks 16 is meshingly connected with a gear 15, when one of the racks 16 moves, the gear 15 can be driven to rotate, and the rotation of the gear 15 can drive the other rack 15 to move, so that moving one moving block 3 can also move the other moving block 3 at the same time, a limiting frame 6 is fixedly connected to the middle of the bottom plate 1, the limiting frame 6 has a sensor for detecting the vibration of the transmission shaft of the motor 5, the sensor is connected with a detection device body 8 through a circuit, an electric push rod one 11 is arranged in the middle of the bottom plate 1, a bottom block 10 is fixedly connected to the rear end of the electric push rod one 11, the electric push rod one 11 can move with the bottom block 10, a connecting rod 9 is fixedly connected to the top of the bottom block 10, the connecting rod 9 has a certain elasticity, the bottom block 10 can move with the connecting rod 9, a knocking head 7 is arranged at the top end of the connecting rod 9, and the detection device body 8 is arranged at the right rear part of the bottom plate 1.

[0031] Embodiment 2:

[0032] As one of the optimized structure designs of embodiment 1, such as Figures 1-5As shown, the top end of the connecting rod 9 is fixedly connected with a screw rod 17, the screw rod 17 is threadedly connected with the knocking head 7, when it is needed to replace the knocking head 7, the knocking head 7 can be screwed off from the screw rod 17, so that the knocking head 7 is disassembled and replaced. The top of the moving block 3 is fixedly connected with a handle, through the handle, the moving block 3 can be conveniently moved by the staff. The top end of the limiting frame 6 is sleeved on the outer wall of the transmission shaft of the motor 5. The detection device body 8 is connected with the top of the limiting frame 6 through a line.

[0033] Working principle: first, the moving block 3 is pulled to move, so that the two moving blocks 3 move in opposite directions, then the motor 5 is placed above the middle of the moving groove 2, and the transmission shaft of the motor 5 passes through the top of the limiting frame 6, then the two moving blocks 3 are moved to the same side, when the moving block 3 moves, the rack 16 can be moved, the rack 16 moves to make the gear 15 rotate, the gear 15 rotates to move the other rack 16, and then moves the other moving block 3, when the moving block 3 moves to the appropriate position, the limiting plate 4 is pushed downward by the electric push rod two 14, so that the two limiting plates 4 press the two sides of the base 13, to increase the friction between the base 13 and the bottom plate 1, and then the motor 5 is limited, to avoid displacement of the motor 5 during testing, then the bottom block 10 is moved by the electric push rod one 11, the bottom block 10 moves to move the connecting rod 9, the connecting rod 9 moves to move the knocking head 7 at the top, and then the knocking head 7 is used to knock the transmission shaft of the motor 5, the vibration data of the transmission shaft is transmitted to the detection device body 8 through a line, so that the vibration of the transmission shaft of the motor 5 is detected, when different knocking heads are needed, the knocking head 7 is screwed off from the top of the connecting rod 9, and then the replaced knocking head 7 is replaced.

[0034] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A motor vibration knock test device comprising a base plate (1), characterized in that: The left side top of the bottom plate (1) is provided with a moving groove (2), the inner wall of the moving groove (2) is provided with a sliding groove (12), the sliding groove (12) is slidably connected with a moving block (3), the similar side of the moving block (3) at the front and rear ends is connected with a motor (5) through a limiting assembly, the similar side of the moving block (3) at the front and rear ends is fixedly connected with a rack (16) at the bottom, the similar side of the two racks (16) is engagedly connected with a gear (15), the middle of the bottom plate (1) is fixedly connected with a limiting frame (6), the middle of the bottom plate (1) is provided with an electric push rod one (11), the rear end of the electric push rod one (11) is fixedly connected with a bottom block (10), the top of the bottom block (10) is fixedly connected with a connecting rod (9), the top end of the connecting rod (9) is provided with a knocking head (7), the right side rear of the bottom plate (1) is provided with a detection device body (8).

2. The motor vibration knock test device of claim 1, wherein: The limiting assembly includes a limiting plate (4) slidably connected on the similar side of the moving block (3) at the front and rear ends, the bottom of the limiting plate (4) is fixedly connected with an electric push rod two (14), and the bottom end of the electric push rod two (14) is fixedly connected with the moving block (3).

3. The motor vibration knock test device of claim 1, wherein: The top end of the connecting rod (9) is fixedly connected with a lead screw (17), and the lead screw (17) is threadedly connected with the knocking head (7).

4. The motor vibration knock test apparatus of claim 1, wherein: The top of the moving block (3) is fixedly connected with a handle.

5. The motor vibration knock test apparatus of claim 1, wherein: The top end of the limiting frame (6) is sleeved on the outer wall of the transmission shaft of the motor (5).

6. The motor vibration knock test apparatus of claim 1, wherein: The detection device body (8) is connected with the top of the limiting frame (6) through a line.

7. The motor vibration knock test apparatus of claim 1, wherein: The bottom of the motor (5) is fixedly connected with a base (13).

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