CN212180239U

CN212180239U - Friction type torque limiter testing device

Info

Publication number: CN212180239U
Application number: CN202020789859.6U
Authority: CN
Inventors: 赵介军; 过峰; 洪颖; 俞建峰; 王智
Original assignee: Wuxi Customs Mechanical And Electrical Products And Vehicle Testing Center
Current assignee: Wuxi Customs Mechanical And Electrical Products And Vehicle Testing Center
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-12-18
Anticipated expiration: 2030-05-13

Abstract

The utility model relates to a friction formula torque limiter testing arrangement, including servo motor, the first synchronous pulley of servo motor output installation, first synchronous pulley one side sets up second synchronous pulley, and first synchronous pulley passes through the hold-in range with second synchronous pulley and is connected, connects integral key shaft one end in the second synchronous pulley. The utility model discloses, simple structure satisfies the test of multiple specification torque limiter. Install the sliding interface piece on the moment of torsion loading dish, can be according to the position of the size of a dimension adjustment sliding interface piece of torque limiter, make the utility model discloses need not change frock clamp because of the difference of test product specification, greatly reduced installation time, solved the little problem of current torque limiter testing arrangement application scope.

Description

Friction type torque limiter testing device

Technical Field

The utility model belongs to the technical field of torque test equipment, a friction formula torque limiter testing arrangement is related to.

Background

The friction type torque limiter serves as an overload protection device in a wind power generation system and plays a role in transmitting torque and protecting overload in a transmission system. Usually, the torque limiter is installed between driving shaft and driven shaft, and the dual dish of torque limiter links to each other with the driving shaft, and the overcoat links to each other with the driven shaft, and when the load that the driven shaft is connected overloads or breaks down for the required moment of torsion of driven shaft exceeds the limit value, appears sliding relatively between the dual dish of torque limiter and the friction disc this moment, makes the initiative side separate with the load, thereby protection mechanical equipment. In the research and development and production process, a series of tests need to be carried out on the torque limiter, including a torque calibration test, a fatigue test, a temperature rise test and a running-in test for pre-friction of a friction plate of the torque limiter.

The friction type torque limiter testing device used at present is inconvenient to test and install, low in testing efficiency and difficult to operate by workers, and cannot meet the installation requirements of tool fixtures required by connection of torque limiters with various specifications and testing devices, so that the testing range of the friction type torque limiter testing device is greatly limited. Meanwhile, the current testing device does not have the function of measuring the temperature of the dual disk of the torque limiter, and the temperature testing requirement on the torque limiter in a fatigue test and a temperature rise test cannot be met.

Disclosure of Invention

An object of the utility model is to provide a friction formula torque limiter testing arrangement can solve foretell problem.

According to the utility model provides a technical scheme: the utility model provides a friction formula torque limiter testing arrangement, includes servo motor, the first synchronous pulley of servo motor output installation, first synchronous pulley one side sets up the second synchronous pulley, first synchronous pulley with the second synchronous pulley passes through the hold-in range and connects, connect integral key shaft one end in the second synchronous pulley, integral key shaft mid-mounting torque sensor and bearing frame, the integral key shaft other end passes through spline structure connection torque loading dish, torque loading dish side sets up the fixed disk, the fixed disk is connected by the torque limiter stiff end of being surveyed, by the torque limiter test end through sliding interface piece with the torque loading dish is connected.

As a further improvement of the utility model, the end of the spline shaft is connected with the rotor end of the via hole conductive slip ring, and the stator end of the via hole conductive slip ring is connected with the fixed disk; and the rotor end thermocouple outgoing line is connected to the torque limiter dual disc, and the stator end thermocouple outgoing line is connected to the temperature transmitter.

As a further improvement, the measured torque limiter includes the measured torque limiter jacket, the measured torque limiter jacket with fixed disk fixed connection, set up the measured torque limiter duality piece in the measured torque limiter jacket, the measured torque limiter duality piece through sliding interface piece with the moment of torsion loading dish is connected.

As a further improvement, survey the radial installation several of torque limiter dual piece the sliding interface piece, the radial terminal surface of moment of torsion loading dish is opened there is the several to lead the spout, a sliding interface piece tip is located lead in the spout.

As a further improvement of the utility model, the spline shaft tip sets up locating flange and jump ring groove, the installation of moment of torsion loading dish locating flange with between the jump ring groove.

As a further improvement of the present invention, the stator end of the via hole conductive slip ring is connected to the fixed disk through the rotation stopping pin.

As a further improvement of the utility model, servo motor installs on the servo motor base.

As a further improvement of the utility model, the torque sensor base is installed to the torque sensor lower part.

The utility model discloses an actively advance the effect and lie in:

1. the utility model discloses satisfy the test of multiple specification torque limiter. Install the sliding interface piece on the moment of torsion loading dish, can be according to the position of the size of a dimension adjustment sliding interface piece of torque limiter, make the utility model discloses need not change frock clamp because of the difference of test product specification, greatly reduced installation time, solved the little problem of current torque limiter testing arrangement application scope.

2. The utility model discloses can be to the temperature measurement of torque limiter dual piece. The spline shaft is provided with the via hole conductive slip ring, so that the thermocouple can still measure the temperature of the dual plate of the torque limiter when the dual plate rotates, and a solution is provided for the temperature test requirements required in the fatigue test and the temperature rise test of the torque limiter.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a schematic structural view of the torque loading disc of the present invention.

Fig. 4 is a schematic structural view of the interface disc of the present invention.

Fig. 5 is a schematic structural diagram of the torque limiter to be measured according to the present invention.

Fig. 6 is the structural schematic diagram of the via hole conductive slip ring of the present invention.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

In fig. 1 to 6, the device includes a servo motor 1, a servo motor base 2, a first coupling 3, a first synchronous pulley 4, a synchronous belt 5, a second synchronous pulley 6, a second coupling 7, a torque sensor 8, a torque sensor base 9, a bearing seat 10, a spline shaft 11, a torque loading disc 12, a sliding interface block 13, an external snap spring 14, a via conductive slip ring 15, a rotation stop pin 16, a measured torque limiter 17, a fixed disc 18, a fixed disc screw 19, a guide rail 20, an interface disc bolt 21, a rectangular spline 111, a guide chute 112, a via conductive slip ring rotor end 151, a via conductive slip ring stator end 152, a measured torque limiter friction plate 171, a measured torque limiter counter-piece 172, a measured torque limiter outer sleeve 173, and the like.

As shown in fig. 1, the utility model relates to a friction formula torque limiter testing arrangement, including servo motor 1, servo motor 1 output end installation first synchronous pulley 4, first synchronous pulley 4 one side sets up second synchronous pulley 6, first synchronous pulley 4 passes through hold-in range 5 with second synchronous pulley 6 and is connected, connect integral key shaft 11 one end in the second synchronous pulley 6, integral key shaft 11 mid-mounting torque sensor 8 and bearing frame 10, integral key shaft 11 other end passes through spline structure connection torque loading dish 12, torque loading dish 12 side sets up fixed disk 18, fixed disk 18 is connected through fixed disk screw 19 and is surveyed torque limiter 17. The measured torque limiter 17 is connected to the torque loading disc 12 by a slip joint block 13.

The measured torque limiter 17 comprises a measured torque limiter outer sleeve 173, the measured torque limiter outer sleeve 173 is fixedly connected with a fixed disc 18 through a fixed disc screw 19, a friction groove is formed in the measured torque limiter outer sleeve 173, a measured torque limiter dual plate 172 is placed in the friction groove, and a measured torque limiter friction plate 171 is arranged between the two sides of the measured torque limiter dual plate 172 and the friction groove. When the torque applied to the measured torque limiter counter plate 172 is larger than the frictional force with the measured torque limiter friction plate 171, the measured torque limiter counter plate 172 rotates.

The measured torque limiter dual piece 172 is radially provided with a plurality of sliding type interface blocks 13, the radial end face of the torque loading disc 12 is provided with a plurality of guide sliding grooves 112, and one end part of each sliding type interface block 13 is positioned in each guide sliding groove 112, so that the two blocks complete the transmission of torque.

The end part of the spline shaft 11 is provided with a positioning flange and a clamp spring groove, and the torque loading disc 12 is arranged between the positioning flange and the clamp spring groove.

The servo motor 1 is installed on the servo motor base 2.

The lower part of the torque sensor 8 is provided with a torque sensor base 9.

Further, please refer to fig. 2 and fig. 3 together, as a specific embodiment of the friction type torque limiter testing device provided by the present invention, the torque loading plate 12 is connected with the spline shaft 11 through the rectangular spline 111, and the spline shaft 11 is axially fixed by the outer snap spring 14 and the shoulder.

Further, please refer to fig. 2 and fig. 6, as a specific embodiment of the friction torque limiter testing device of the present invention, a rotor end 151 of the via hole conductive slip ring 15 is fixed with the spline shaft 11 through a set screw, and a stator end 152 of the via hole conductive slip ring is connected with the fixed disk 18 through the rotation stopping pin 16; rotor end 151 thermocouple wires can be connected to various locations of the torque limiter dual disk 172 and stator end 152 thermocouple wires to a temperature transmitter.

Further, please refer to fig. 1, as a specific embodiment of the testing device for friction torque limiter provided by the present invention, the servo motor base 2, the torque sensor base 9, the bearing seat 10 and the fixing plate 18 are all installed on the guide rail.

The working process of the utility model is as follows:

firstly, the loading disc 12 and the spline shaft 11 are meshed with each other in a hoisting mode, then the outer clamp spring 14 is fixed in a clamp spring groove at the outer side of the spline shaft 11 by utilizing the clamp spring clamp, then the sliding type interface block 13 is moved according to the specification of the torque limiter, the dual disc 172 of the tested torque limiter and the sliding type interface block 13 are fixed through the bolt 21, meanwhile, thermocouple outgoing lines at the sliding ring rotor end 151 of the via hole conductive sliding ring 15 arranged on the spline shaft 11 are connected with temperature measuring points of the dual disks, thermocouple outgoing lines at the sliding ring stator end 152 are connected with a temperature transmitter, the temperature on the dual disks can be read in real time, after the dual disks 172 of the torque limiter to be measured are connected, it is also necessary to connect the torque limiter housing 173 with the fixed disk 18 by screws 19 to ensure that the counter disk 172 and the friction plate 171 slide relatively when the torque applied to the torque limiter by the servo motor 1 exceeds a certain limit. At this time, the torque sensor 8 measures limit torque data.

The above description is only a preferred example 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 friction type torque limiter testing device is characterized in that: the device comprises a servo motor (1), a first synchronous belt wheel (4) is arranged at the output end of the servo motor (1), a second synchronous belt wheel (6) is arranged on one side of the first synchronous belt wheel (4), the first synchronous belt wheel (4) is connected with the second synchronous belt wheel (6) through a synchronous belt (5), one end of a spline shaft (11) is connected in the second synchronous pulley (6), a torque sensor (8) and a bearing seat (10) are arranged in the middle of the spline shaft (11), the other end of the spline shaft (11) is connected with a torque loading disc (12) through a spline structure, a fixed disc (18) is arranged on the side surface of the torque loading disc (12), the fixed disc (18) is connected with the fixed end of the torque limiter (17) to be measured, the tested torque limiter (17) testing end is connected with the torque loading disc (12) through a sliding type interface block (13).

2. The friction torque limiter test device of claim 1, wherein: the end part of the spline shaft (11) is connected with a rotor end (151) of a via hole conductive slip ring (15), and a stator end (152) of the via hole conductive slip ring (15) is connected with the fixed disc (18); and the rotor end (151) thermocouple outgoing line is connected to the torque limiter dual piece (172), and the stator end (152) thermocouple outgoing line is connected to a temperature transmitter.

3. The friction torque limiter test device of claim 1, wherein: the measured torque limiter (17) comprises a measured torque limiter outer sleeve (173), the measured torque limiter outer sleeve (173) is fixedly connected with the fixed disc (18), a measured torque limiter dual piece (172) is arranged in the measured torque limiter outer sleeve (173), and the measured torque limiter dual piece (172) is connected with the torque loading disc (12) through a sliding type interface block (13).

4. The friction torque limiter test device of claim 3, wherein: the measured torque limiter dual-coupling piece (172) is provided with a plurality of sliding type interface blocks (13) in the radial direction, the radial end face of the torque loading disc (12) is provided with a plurality of guide sliding grooves (112), and one end part of each sliding type interface block (13) is positioned in each guide sliding groove (112).

5. The friction torque limiter test device of claim 1, wherein: the end part of the spline shaft (11) is provided with a positioning flange and a clamp spring groove, and the torque loading disc (12) is arranged between the positioning flange and the clamp spring groove.

6. The friction torque limiter test device of claim 2, wherein: the stator end (152) of the via hole conductive slip ring (15) is connected with the fixed disc (18) through a rotation stopping pin (16).

7. The friction torque limiter test device of claim 1, wherein: the servo motor (1) is arranged on the servo motor base (2).

8. The friction torque limiter test device of claim 1, wherein: and a torque sensor base (9) is arranged at the lower part of the torque sensor (8).