Rotation testing device based on variable pitch speed reducer

Abstract

The utility model provides a rotation testing device based on a variable-pitch speed reducer, belongs to the technical field of pediatric medical instruments, and aims to solve the problems that the height and the front-back position of the speed reducer are inconvenient to adjust, and the variable-pitch speed reducers of different models need to be supported by supports of different heights and are troublesome to replace. The testing main piece body comprises a fixed vertical plate and a base, a translation piece and a supporting rod are clamped on the base, and connecting plates are fixedly connected to the left side and the right side of the base through bolt assemblies; a threaded rod is mounted in the translation piece; and the bottom surface of the driving motor is fixedly connected with a lifting plate. After the driving shaft of the driving motor drives the threaded rod to rotate, the threaded rod is meshed with the threaded pipe to drive the driving motor and the lifting plate to move up and down, after the placed to-be-tested variable-pitch speed reducer is pushed up and down and the height is appropriate, butt joint can be completed by pushing the translation piece and the supporting rod, and rotation testing of variable-pitch speed reducers of different models is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of reducer testing devices, and more specifically, particularly relates to a rotation testing device based on a variable pitch reducer. Background Art

[0002] In order to ensure the service life and operation stability of the variable pitch reducer, it is necessary to perform a rotation test on it. The input torque, speed, power, output torque, temperature rise, vibration and noise, etc. are tested using a reducer test bench. However, the existing test devices all require the variable pitch reducer to be installed on the test bench for testing. For example, announcement No. CN101762390B discloses a variable pitch reducer rotation test device, including a box body, left and right brackets, a main shaft, and a loader. The box body is in a "⊥" shape, and a main shaft with two ends extending out of the horizontal box body passes through the horizontal box body. The horizontal box body is supported on the left and right brackets through the main shaft, and the box body can be rotated to any angle without gap between the left and right brackets and fixed; a bevel gear is mounted on the main shaft, and a positioning sleeve is provided in the vertical box body of the box body. A flange sleeve placed on the outlet end of the vertical box body is connected to the positioning sleeve, and a bevel gear matching the output shaft of the variable pitch reducer is installed in the positioning sleeve through a bearing, and the two bevel gears are in a meshing state. The present invention simulates the wind power generation operation environment to detect the comprehensive performances such as rotation speed, torque, power, temperature, vibration, noise, etc. of the variable pitch reducer at any installation angle or orientation. The test is convenient, accurate, safe and has high test work efficiency.

[0003] However, before installing the variable pitch reducer to be tested, the variable pitch reducer needs to be fixed on the test bench. The height and position of the reducer cannot be adjusted. The lifting process places high demands on the operator and is prone to danger. If the installation position of the variable pitch reducer is not suitable front and back, it is inconvenient to adjust, and different models of variable pitch reducers need to be supported by brackets of different heights, which makes replacement more troublesome. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a rotation testing device based on a variable pitch reducer to solve the problem that the height and position of the reducer cannot be adjusted, the lifting process has high requirements on the operator and is prone to danger, if the front and rear positions are not suitable, it is inconvenient to adjust, and different models of variable pitch reducers need to be supported by brackets of different heights, which makes replacement more troublesome.

[0005] The utility model is based on the rotation test device of the variable pitch reducer, which is achieved by the following specific technical means:

[0006] A rotation test device based on a variable pitch reducer comprises a test main body; the test main body comprises a fixed vertical plate and a base, a test workpiece is mounted on the fixed vertical plate, the bottom surface of the fixed vertical plate is fixed and vertically welded to the base, a translation member and a support rod are clamped on the base, and a connecting plate is fixedly connected to the left and right sides of the base by a bolt assembly; a threaded rod is installed inside the translation member; the top end of the threaded rod is coaxially connected to the driving shaft of a driving motor; a lifting plate is fixedly connected to the bottom surface of the driving motor, a fixed clamping block is welded on the top surface of the lifting plate, and the lifting plate, the support rod and the translation member constitute a transfer adjustment assembly; a support plate is clamped on the fixed clamping block; a fixing ring is welded on the inner side of the support plate, a telescopic rod is installed inside the fixing ring, the moving end of the telescopic rod is connected to a clamping plate, and the clamping plate, the fixing ring and the support plate constitute a clamping member.

[0007] Furthermore, the four corners of the lifting plate are respectively provided with collars which are sleeved on the support rods. The movable distance of the support rods is equal to the movable distance of the translation member.

[0008] Furthermore, the connecting plate is a right-angle structural plate, and the height of the right-angle notch of the connecting plate is the same as the height of the base, and a threaded hole is provided inside the connecting plate.

[0009] Furthermore, a protruding rectangular plate is welded to the bottom of the translation member, and the rectangular plate is slidably engaged in the rectangular groove on the top surface of the base. A threaded tube is fixedly welded inside the translation member, and the threaded tube is meshedly connected with the threaded rod.

[0010] Furthermore, a clamping block is welded to the bottom of the support plate, and the two clamping blocks are fixedly connected by a connecting rod. A rectangular plate is welded in an annular distribution on the outside of the clamping block, and the rectangular plate is clamped in a rectangular groove distributed in an annular distribution inside the fixed clamping block. The movable end of the telescopic rod is connected to the clamping block through an axial rotation, and the clamping block is clamped in a sliding groove opened on the outer surface of the clamping plate.

[0011] Furthermore, the test workpiece includes a power source, an input torque sensor, a reduced motor to be tested, an output torque sensor, a simulation loader, and a measurement and control system, and is electrically connected to the control end of an external electrical cabinet through circuit design. The top surface of the base is provided with three special-shaped grooves, and the translation parts are slidably engaged inside the special-shaped grooves. The top surface of the base is provided with four grooves, and the support rods are slidably engaged inside the grooves.

[0012] The utility model at least has the following beneficial effects:

[0013] The utility model is provided with a threaded rod and a transfer adjustment component. After the driving shaft of the driving motor drives the threaded rod to rotate, the driving motor and the lifting plate are driven to move up and down by engaging with the threaded tube, so that the placed variable pitch reducer to be tested is pushed up and down. When the height is suitable, the translation part and the support rod are pushed to complete the docking, which is convenient for rotation testing of variable pitch reducers of different models.

[0014] In addition, when the telescopic rod is started through the external electrical cabinet control end, the clamping plate is pushed to move, thereby realizing the opening and closing of the clamping plate, fixing and clamping the variable pitch reducer to be tested, and assembling and connecting after aligning with the test workpiece, thereby improving the safety of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the test main body of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the transfer and adjustment component of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the clamping member of the utility model.

[0018] Figure 4 It is a structural schematic diagram of the translation member of the utility model.

[0019] Figure 5 It is a structural schematic diagram of a fixed card block of the utility model.

[0020] Figure 6 It is a structural schematic diagram of a support plate of the utility model.

[0021] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0022] 1. Test main body; 11. Fixed vertical plate; 1101. Test workpiece; 12. Base;

[0023] 2. Connecting plate;

[0024] 3. Threaded rod;

[0025] 4. Transfer adjustment assembly; 41. Translation member; 4101. Threaded tube; 42. Support rod; 43. Lifting plate;

[0026] 5. Fix the card block;

[0027] 6. Driving motor;

[0028] 7. Clamping piece; 71. Support plate; 7101. Clamping block; 7102. Connecting rod; 72. Fixing ring; 7201. Telescopic rod; 7202. Clamping block; 73. Clamping plate; 7301. Sliding slot. DETAILED DESCRIPTION

[0029] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0030] Example:

[0031] As attached Figure 1 To Attachment Figure 6 As shown:

[0032] The utility model provides a rotation test device based on a variable pitch reducer, comprising: a test main body 1; the test main body 1 comprises a fixed vertical plate 11 and a base 12, a test workpiece 1101 is installed on the fixed vertical plate 11, the bottom surface of the fixed vertical plate 11 is fixed and vertically welded to the base 12, a translation member 41 and a support rod 42 are clamped on the base 12, and the left and right sides of the base 12 are fixedly connected with a connecting plate 2 through a bolt assembly; a threaded rod 3 is installed inside the translation member 41; the top of the threaded rod 3 is coaxially connected to the There is a driving shaft of a driving motor 6; a lifting plate 43 is fixedly connected to the bottom surface of the driving motor 6, a fixed clamping block 5 is welded to the top surface of the lifting plate 43, the lifting plate 43, the supporting rod 42 and the translation member 41 constitute a transfer adjustment component 4; a support plate 71 is clamped on the fixed clamping block 5; a fixing ring 72 is welded to the inner side of the support plate 71, a telescopic rod 7201 is installed inside the fixing ring 72, a clamping plate 73 is connected to the movable end of the telescopic rod 7201, and the clamping plate 73, the fixing ring 72 and the support plate 71 constitute a clamping member 7.

[0033] As attached Figure 5 As shown, the four corners of the lifting plate 43 are respectively integrated with rings, which are sleeved on the support rod 42. The movable distance of the support rod 42 is equal to the movable distance of the translation member 41. When the threaded rod 3 rotates, it engages with the threaded tube 4101 to drive the drive motor 6 and the lifting plate 43 to move up and down, and the placed variable pitch reducer to be tested is pushed up and down. When the height is appropriate, the translation member 41 and the support rod 42 are pushed to complete the docking. The variable pitch reducer to be tested is installed on the test workpiece 1101 and then a rotation test is carried out.

[0034] As attached Figure 2 As shown, the connecting plate 2 is a right-angle structural plate, and the height of the right-angle notch of the connecting plate 2 is the same as the height of the base 12. A threaded hole is opened inside the connecting plate 2, and the base 12 is connected to the bottom surface by bolts to fix the fixed vertical plate 11 to ensure the stability of the test workpiece 1101.

[0035] As attached Figure 3 and attached Figure 6As shown, a clamping block 7101 is welded to the bottom of the support plate 71, and the two clamping blocks 7101 are fixedly connected by a connecting rod 7102. A rectangular plate is welded to the outer annular distribution of the clamping block 7101, and the rectangular plate is clamped in the rectangular groove distributed in an annular manner inside the fixed clamping block 5. The movable end of the telescopic rod 7201 is connected to the clamping block 7202 through an axial rotation, and the clamping block 7202 is clamped in the sliding groove 7301 provided on the outer surface of the clamping plate 73. When the telescopic rod 7201 is started by the external electrical cabinet control end, the clamping plate 73 is pushed to move, thereby realizing the opening and closing of the clamping plate 73, and the variable pitch reducer to be tested is fixedly clamped, and assembled and connected after alignment with the test workpiece 1101.

[0036] As attached Figure 4 As shown, a protruding rectangular plate is welded to the bottom of the translation member 41, and the rectangular plate is slidably engaged in the rectangular groove on the top surface of the base 12. A threaded tube 4101 is fixedly welded inside the translation member 41, and the threaded tube 4101 is meshed with the threaded rod 3. When the threaded rod 3 is rotated by the driving shaft of the driving motor 6, the threaded rod 3 drives the translation member 41 to rotate through the threaded tube 4101, but the translation member 41 cannot rotate due to the limitation of the bottom rectangular plate, thereby converting the rotation into movement to make the threaded rod 3 move up and down, and the placed variable pitch reducer to be tested is pushed up and down. When the height is suitable, the translation member 41 and the support rod 42 are pushed to complete the docking. After the variable pitch reducer to be tested is installed on the test workpiece 1101, the comprehensive performance tests such as speed, torque, power, temperature, vibration, and noise are carried out.

[0037] As attached Figure 2 As shown, the test workpiece 1101 includes a power source, an input torque sensor, a reducer to be tested, an output torque sensor, a simulation loader, and a measurement and control system, and are electrically connected to the control end of the external electrical cabinet through circuit design. Three special-shaped grooves are provided on the top surface of the base 12, and the translation member 41 is slidably engaged inside the special-shaped grooves. Four grooves are provided on the top surface of the base 12, and the support rod 42 is slidably engaged inside the grooves. The test workpiece 1101 can be used to complete the rotation test of the variable pitch reducer, and the special-shaped grooves and grooves can be used to achieve the position adjustment of the translation member 41 and the support rod 42, so that the variable pitch reducer to be tested can be installed or disassembled more easily.

[0038] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, or a detachable connection, or an integral connection, or it can be the internal connection of two elements or the interaction relationship between two elements. There are many ways of detachable installation, for example, it can be through the way of plug-in and buckle matching, and for example, through the way of bolt connection, etc.

[0039] The specific description of the present invention in the above embodiments is only used to further illustrate the present invention and cannot be understood as limiting the scope of protection of the present invention. Technical engineers in this field may make some non-essential improvements and adjustments to the present invention based on the contents of the above-mentioned utility model, which fall within the scope of protection of the present invention.

Claims

1. A rotation test device based on a variable pitch reducer, characterized in that: The test main body (1) comprises a fixed vertical plate (11) and a base (12), a test workpiece (1101) is mounted on the fixed vertical plate (11), the bottom surface of the fixed vertical plate (11) is fixed and vertically welded to the base (12), a translation member (41) and a support rod (42) are clamped on the base (12), and a connecting plate (2) is fixedly connected to the left and right sides of the base (12) by a bolt assembly; A threaded rod (3) is installed inside the translation member (41); the top end of the threaded rod (3) is coaxially connected to the driving shaft of the driving motor (6); the bottom surface of the driving motor (6) is fixedly connected to a lifting plate (43); the top surface of the lifting plate (43) is welded with a fixed block (5); the lifting plate (43), the support rod (42) and the translation member (41) constitute a transfer adjustment assembly (4); A support plate (71) is clamped on the fixed clamping block (5); a fixing ring (72) is welded on the inner side of the support plate (71); a telescopic rod (7201) is installed inside the fixing ring (72); a clamping plate (73) is connected to the movable end of the telescopic rod (7201); the clamping plate (73), the fixing ring (72) and the support plate (71) form a clamping member (7).

2. The rotation test device based on the variable pitch reducer according to claim 1 is characterized in that: The test workpiece (1101) includes a power source, an input torque sensor, a reducer to be tested, an output torque sensor, a simulation loader, and a measurement and control system, and is electrically connected to an external electrical cabinet control terminal through circuit design. The top surface of the base (12) is provided with three special-shaped grooves, and the translation parts (41) are slidably engaged in the special-shaped grooves. The top surface of the base (12) is provided with four grooves, and the support rods (42) are slidably engaged in the grooves.

3. The rotation test device based on the variable pitch reducer according to claim 1 is characterized in that: The connecting plate (2) is a right-angle structural plate, and the height of the right-angle notch of the connecting plate (2) is the same as the height of the base (12), and a threaded hole is provided inside the connecting plate (2).

4. The rotation test device based on the variable pitch reducer according to claim 2 is characterized in that: A protruding rectangular plate is welded to the bottom of the translation member (41), and the rectangular plate is slidably engaged in a rectangular groove on the top surface of the base (12). A threaded tube (4101) is fixedly welded inside the translation member (41), and the threaded tube (4101) is meshedly connected with the threaded rod (3).

5. The rotation test device based on the variable pitch reducer according to claim 4 is characterized in that: The four corners of the lifting plate (43) are respectively provided with sleeve rings which are sleeved on the support rod (42). The movable distance of the support rod (42) is equal to the movable distance of the translation member (41).

6. The rotation test device based on the variable pitch reducer according to claim 1, characterized in that: A clamping block (7101) is welded to the bottom of the support plate (71), and the two clamping blocks (7101) are fixedly connected via a connecting rod (7102). A rectangular plate is welded in an annular distribution on the outside of the clamping block (7101), and the rectangular plate is clamped in a rectangular groove in an annular distribution inside the fixed clamping block (5). The movable end of the telescopic rod (7201) is connected to the clamping block (7202) via an axial rotation, and the clamping block (7202) is clamped in a sliding clamping groove (7301) provided on the outer surface of the clamping plate (73).

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