High-speed dynamic balance testing device

Abstract

The utility model provides a high-speed dynamic balance testing device, which relates to the technical field of roller dynamic balance testing, and is characterized in that the upper end of a movable support is connected with a side support table through welding, the side support table is fixedly connected with a protection bracket in the direction towards a testing seat, and the upper surface of the side support table is connected with a translation push table in a sliding manner; the installation stability of the roller in the testing device is effectively improved, the roller is not prone to being disengaged from the testing device in the high-speed rotation testing process, an anti-falling protection structure of the roller is arranged, and a buffering structure and a limiting protection mechanism are arranged in the roller. The utility model can effectively avoid accidents caused by collision of a test device or surrounding workers due to accidental falling of a roller, and solves the problems that the roller fulcrum shaft is not fast enough to install and troublesome to operate when being installed by using a bearing, the stability is poor when a roller is used for supporting the fulcrum shaft, the roller easily loses balance and falls off in the high-speed rotation process of the roller, and the service life of the roller fulcrum shaft is prolonged. The detection equipment is damaged, and the industrial injury risk is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of roller dynamic balance testing, in particular to a high-speed dynamic balance testing device. Background Art

[0002] Dynamic balancing test refers to the process of detecting and evaluating the balance state of a moving object or system. The basic principle of dynamic balancing test is to determine the balance state of a rotating body by measuring its vibration when it rotates at high speed. During the test, the rotating body is installed on a dynamic balancing machine and started to rotate at high speed. A pressure sensor is installed. The vibration signal of the tested roller in the rotating state is analyzed by the pressure sensor. The imbalance amount and imbalance position of the rotating body can be calculated, so as to decide to add or remove balancing blocks at specific positions to offset the imbalance.

[0003] For example, the utility model patent with application number 202121623480.9 discloses a roller dynamic balance detection device, including a base, a rack fixedly mounted on the upper surface of the base, a detection device meshingly connected in the middle of the upper surface of the rack, an adjustment device meshingly connected on both the left and right sides of the upper end of the rack, a lower fixed plate fixedly mounted on the upper surface of the adjustment device, an upper fixed plate connected by bolts at the upper end of the lower fixed plate, a roller rotatably connected between the upper fixed plate and the lower fixed plate, and the adjustment device includes an adjustment box, a first motor, a transmission shaft, a transmission tooth, an electric telescopic rod and a support plate. The utility model drives the detection shaft and the annular pressure sensor to rotate by the second motor, so that the winding belt drives the roller to rotate relatively, thereby performing dynamic balance detection. The first motor is meshed with the transmission teeth and the rack on the transmission shaft, which is convenient for pushing the detection box to move, thereby performing a comprehensive detection of the roller surface, improving the detection accuracy and reducing the error.

[0004] Similar to the roller dynamic balancing detection device in the above-mentioned patent, when the detected roller is rotating at high speed, its end support shaft is rotatably connected to the detection device through bearings or roller supports. When bearings are used to install the roller support shaft, the installation is not quick enough and the operation is troublesome. When rollers are used to support the support shaft, its stability is not good. During the high-speed rotation of the roller, the roller is easy to lose balance and fall, causing damage to the detection equipment and increasing the risk of work-related injuries. Utility Model Content

[0005] The disclosed embodiments relate to a high-speed dynamic balancing test device to solve the problems that when bearings are used to install the roller support shaft, the installation is not quick enough and the operation is cumbersome; when rollers are used to support the support shaft, the stability is poor, and the roller is prone to lose balance and fall during high-speed rotation of the roller, causing damage to the testing equipment and increasing the risk of work-related injuries.

[0006] In a first aspect of the present disclosure, a high-speed dynamic balancing test device is provided, specifically comprising: a test support platform, two movable supports are installed above the test support platform, a test seat is installed above the test support platform, a dynamic balancing test motor is fixedly connected to the right side of the test seat, an annular pressure sensor is rotatably connected to the middle above the test seat, the dynamic balancing test motor shaft is connected to the support shaft of the annular pressure sensor through a coupling, a transmission belt is installed on the annular pressure sensor, the upper end of the movable support is connected to a side support platform by welding, a protective bracket is fixedly connected to the side support platform in the direction facing the test seat, the upper surface of the side support platform is slidably connected to a translation push platform, and a limit platform is installed above the translation push platform.

[0007] Preferably, the upper surface of the side support platform is fixedly connected to two support platform guide rods by screws, and a transverse push cylinder is installed on the upper surface of the side support platform by screws, and the transverse push cylinder is located between the two support platform guide rods, and the upper surface of the side support platform is rotatably connected to two roller balancing support wheels near an edge of the test seat.

[0008] Preferably, a movable strut is hinged at the front edge and the rear edge of the upper surface of the protection bracket respectively, and the movable strut is in an "L"-shaped structure, and the lower end surface of the movable strut is in contact with the upper surface of the protection bracket.

[0009] Preferably, the inner surface of the protective bracket is fixedly connected to a limiting tension spring, the other end of the limiting tension spring is fixedly connected to the upper surface of the protective bracket, the upper end of the protective bracket is bent inward to have a support rod fold edge, and the inner surface of the movable support rod is gluingly connected to a rubber buffer pad.

[0010] Preferably, two push platform sliders are installed on the bottom of the translation push platform by screws, and the two push platform sliders are respectively slidably connected to the two support platform guide rods, and the translation push platform is fixedly connected to the transverse push cylinder.

[0011] Preferably, the inner edge of the upper surface of the translational push platform is rotatably connected to a push platform top wheel, the axis of the push platform top wheel is perpendicular to the upper surface of the translational push platform, two cylindrical guide cylinders are fixedly connected to the translational push platform, the guide cylinders are perpendicular to the upper surface of the translational push platform, and the translational push platform is installed with a limited position push cylinder.

[0012] Preferably, the upper part of the limit platform is rotatably connected to a limit wheel, the axis of the limit wheel is parallel to the axis of the roller balancing support wheel, the lower surface of the limit platform is fixedly connected to the upper end of the push rod of the limit push cylinder, and two vertical guide rods are vertically welded to the lower surface of the limit platform, and the vertical guide rods are slidably connected to the guide cylinder.

[0013] The utility model provides a high-speed dynamic balancing test device, which has the following beneficial effects:

[0014] In the roller dynamic balancing test device of the utility model, an annular pressure sensor is used to drive the roller to rotate through a winding belt to perform dynamic balancing detection. In the method of connecting the roller and the dynamic balancing test device, the cylindrical roller support shaft is supported from three directions by three roller structures, which effectively improves the installation stability of the roller in the test device, makes it difficult for the roller to separate from the test device during the high-speed rotation test, and improves the stability of the dynamic balancing test.

[0015] In addition, a roller anti-fall protection structure is provided, which has a built-in buffer structure and a limit protection mechanism, which can effectively prevent the roller from accidentally falling off and causing collisions with the testing device or surrounding personnel, causing accidents.

[0016] In addition, the positioning mechanism is separated or merged through the push cylinder control, which is convenient for the installation and positioning of the rollers. It is quick to use, improves the positioning efficiency of the roller support shaft, and effectively improves the efficiency of the dynamic balancing test. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0018] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0019] In the attached picture:

[0020] Figure 1 A schematic diagram showing the overall structure of the present application;

[0021] Figure 2 The schematic diagram of the structure of the side support platform of the present application is shown;

[0022] Figure 3 The schematic diagram of the structure of the translation push table of the present application is shown;

[0023] Figure 4 A schematic diagram of the structure of the protection bracket of the present application is shown;

[0024] Figure 5 The structural schematic diagram of the limit table of the present application is shown;

[0025] Figure 6 A schematic structural diagram of the bottom of the translational push platform of the present application is shown.

[0026] Reference numerals list

[0027] 1. Test support platform; 2. Movable support platform; 3. Test seat; 4. Dynamic balancing test motor; 5. Annular pressure sensor; 6. Transmission belt; 7. Side support platform; 701. Support platform guide rod; 702. Horizontal push cylinder; 703. Roller balancing support wheel; 8. Protection bracket; 801. Movable support rod; 802. Limit tension spring; 803. Support rod folding edge; 804. Buffer pad; 9. Translation push platform; 901. Push platform slider; 902. Push platform top wheel; 903. Guide cylinder; 904. Limit push cylinder; 10. Limit platform; 1001. Limit wheel; 1002. Vertical guide rod. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Example 1: Please refer to Figures 1 to 6 :

[0030] The utility model proposes a high-speed dynamic balancing test device, comprising: a test support 1, two movable supports 2 are installed above the test support 1, a test seat 3 is installed above the test support 1, a dynamic balancing test motor 4 is fixedly connected to the right side of the test seat 3, an annular pressure sensor 5 is rotatably connected to the middle of the test seat 3, the rotating shaft of the dynamic balancing test motor 4 is connected to the support shaft of the annular pressure sensor 5 through a coupling, a transmission belt 6 is installed on the annular pressure sensor 5, the upper end of the movable support 2 is connected to a side support 7 by welding, a protective bracket 8 is fixedly connected to the side support 7 in the direction of the test seat 3, a translation push platform 9 is slidably connected to the upper surface of the side support 7, a limit platform 10 is installed above the translation push platform 9, when the dynamic balancing test of the roller is performed, the transmission belt 6 is connected to the roller and the annular pressure sensor 5, the annular pressure sensor 5 is driven to rotate by the dynamic balancing test motor 4, and the roller is driven to rotate at a high speed by the friction between the transmission belt 6 and the roller surface, and the dynamic balance of the roller during rotation is detected by the annular pressure sensor 5.

[0031] In the disclosed embodiment, the upper surface of the side support platform 7 is fixedly connected with two support platform guide rods 701 by screws, and a transverse push cylinder 702 is installed on the upper surface of the side support platform 7 by screws, and the transverse push cylinder 702 is located between the two support platform guide rods 701. The upper surface of the side support platform 7 is rotatably connected with two roller balancing support wheels 703 near one edge of the test seat 3; through the arrangement of the two roller balancing support wheels 703, the roller support shaft is supported, so that the roller support shaft is located directly above between the two roller balancing support wheels 703, and forms a rolling connection with the roller balancing support wheel 703 to support the roller. When the roller rotates, the roller balancing support wheel 703 is driven to rotate by friction force to radially limit the roller.

[0032] In the disclosed embodiment, two push platform sliders 901 are installed at the bottom of the translation push platform 9 by screws, and the two push platform sliders 901 are respectively slidably connected to the two support platform guide rods 701, and the translation push platform 9 is fixedly connected to the transverse push cylinder 702. The inner edge of the upper surface of the translation push platform 9 is rotatably connected with a push platform top wheel 902, and the axis of the push platform top wheel 902 is perpendicular to the upper surface of the translation push platform 9. Two cylindrical guide cylinders 903 are fixedly connected to the translation push platform 9, and the guide cylinders 903 are perpendicular to the upper surface of the translation push platform 9. The translation push platform 9 is installed with a limited push cylinder 904, which contacts with the end face of the roller support shaft through the push platform top wheel 902 and forms a rolling connection, thereby limiting the axial direction of the roller, and can adapt to rollers of different lengths through the translation of the translation push platform 9.

[0033] In the embodiment of the present disclosure, the upper part of the limit platform 10 is rotatably connected to the limit wheel 1001, the axis of the limit wheel 1001 is parallel to the axis of the roller balancing support wheel 703, the lower surface of the limit platform 10 is fixedly connected to the upper end of the push rod of the limit push cylinder 904, and two vertical guide rods 1002 are vertically welded to the lower surface of the limit platform 10, and the vertical guide rods 1002 are slidably connected to the guide cylinder 903; the limit platform 10 is controlled to rise and fall through the limit push cylinder 904, and the height of the limit wheel 1001 is adjusted to control the contact between the limit wheel 1001 and the roller support shaft, so as to position the roller support shaft, facilitate the rapid installation of the roller, and improve the installation efficiency and dynamic balancing test efficiency of the roller.

[0034] Embodiment 2: On the basis of embodiment 1, a movable strut 801 is hinged on the front edge and the rear edge of the upper surface of the protective bracket 8, respectively. The movable strut 801 is in an "L"-shaped structure, and the lower end surface of the movable strut 801 is in contact with the upper surface of the protective bracket 8; the inner surface of the protective bracket 8 is fixedly connected with a limiting tension spring 802, and the other end of the limiting tension spring 802 is fixedly connected to the upper surface of the protective bracket 8. The upper end of the protective bracket 8 is bent inwardly and has a strut fold edge 803. The inner surface of the movable strut 801 is connected with a rubber buffer pad 804 by gluing; under normal conditions, the movable strut 801 is kept perpendicular to the upper surface of the protective bracket 8 by the tension of the limiting tension spring 802. When the roller falls off, the roller falls between the two movable struts 801 and collides with the two movable struts 801, exerting an external thrust on the movable strut 801, causing the movable strut 801 to rotate outward and deform, thereby playing a buffering role and preventing the outer surface of the roller from being scratched due to collision.

[0035] The working principle of this embodiment is as follows: first, the roller to be tested is connected to the transmission belt 6, and the roller is placed horizontally above the two movable supports 2, so that the two ends of the roller's support shaft are respectively located above the roller balancing support wheels 703 on both sides, and form a rolling connection with the roller balancing support wheels 703, and the roller is stably supported by the roller balancing support wheels 703. After the roller is installed, the horizontal push cylinder 702 is controlled to move, and the translation push table 9 is pushed inward, so that the push table top wheel 902 contacts the end surface of the roller and forms a rolling connection, and the roller is axially fixed, and then the limit push cylinder 904 is controlled to contract, and the limit table 10 is pulled downward, so that the limit wheel 1001 is rollingly connected with the outer surface of the roller, and the roller is limited, and the dynamic balancing test motor 4 is started, the annular pressure sensor 5 is driven to rotate, and the roller is driven to rotate at high speed through the transmission belt 6, and the dynamic balance of the roller is detected by the annular pressure sensor 5.

Claims

1. A high-speed dynamic balancing test device, comprising: A test support (1), wherein two movable supports (2) are installed above the test support (1), characterized in that a test seat (3) is installed above the test support (1), a dynamic balancing test motor (4) is fixedly connected to the right side of the test seat (3), an annular pressure sensor (5) is rotatably connected to the middle of the top of the test seat (3), the rotating shaft of the dynamic balancing test motor (4) is connected to the support shaft of the annular pressure sensor (5) through a coupling, and a transmission belt (6) is installed on the annular pressure sensor (5), the upper end of the movable support (2) is connected to a side support (7) by welding, the side support (7) is fixedly connected to a protective bracket (8) in the direction facing the test seat (3), the upper surface of the side support (7) is slidably connected to a translation push platform (9), and a limit platform (10) is installed above the translation push platform (9).

2. A high-speed dynamic balancing test device according to claim 1, characterized in that: The upper surface of the side support platform (7) is fixedly connected to two support platform guide rods (701) by screws, and a transverse push cylinder (702) is installed on the upper surface of the side support platform (7) by screws, and the transverse push cylinder (702) is located between the two support platform guide rods (701). The upper surface of the side support platform (7) is rotatably connected to two roller balancing support wheels (703) near an edge of the test seat (3).

3. A high-speed dynamic balancing test device according to claim 1, characterized in that: A movable support rod (801) is hingedly connected to the front edge and the rear edge of the upper surface of the protective bracket (8), respectively. The movable support rod (801) is in an "L"-shaped structure, and the lower end surface of the movable support rod (801) is in contact with the upper surface of the protective bracket (8).

4. A high-speed dynamic balancing test device according to claim 3, characterized in that: The inner surface of the protective bracket (8) is fixedly connected to a limit tension spring (802), the other end of the limit tension spring (802) is fixedly connected to the upper surface of the protective bracket (8), the upper end of the protective bracket (8) is bent inwardly to form a support rod fold edge (803), and the inner surface of the movable support rod (801) is connected to a rubber buffer pad (804) by gluing.

5. A high-speed dynamic balancing test device according to claim 2, characterized in that: Two push platform sliders (901) are installed at the bottom of the translation push platform (9) by screws. The two push platform sliders (901) are respectively slidably connected to the two support platform guide rods (701). The translation push platform (9) is fixedly connected to the transverse push cylinder (702).

6. A high-speed dynamic balancing test device according to claim 2, characterized in that: The upper surface of the translation push platform (9) is rotatably connected to a push platform top wheel (902) at the inner edge thereof, the axis of the push platform top wheel (902) being perpendicular to the upper surface of the translation push platform (9), the translation push platform (9) being fixedly connected to two guide cylinders (903) of cylindrical structure, the guide cylinders (903) being perpendicular to the upper surface of the translation push platform (9), and the translation push platform (9) being installed with a limited push cylinder (904).

7. A high-speed dynamic balancing test device according to claim 6, characterized in that: The upper portion of the limit platform (10) is rotatably connected to a limit wheel (1001), the axis of the limit wheel (1001) is parallel to the axis of the roller balancing support wheel (703), the lower surface of the limit platform (10) is fixedly connected to the upper end of the push rod of the limit push cylinder (904), and two vertical guide rods (1002) are vertically welded to the lower surface of the limit platform (10), and the vertical guide rods (1002) are slidably connected to the guide cylinder (903).

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