CN211401539U - Torque wrench detection device - Google Patents

Abstract

The utility model discloses a torque wrench detection device, including the conversion motor, still include conversion axis of rotation, fan-shaped carousel and a plurality of torque sensor, the lower surface and the conversion axis of rotation one end of fan-shaped carousel are fixed, the conversion motor is fixed with the conversion axis of rotation other end, and is a plurality of surface mounting is gone up with fan-shaped carousel to torque sensor, torque sensor has inserted the adapter, the adapter is used for connecting torque wrench and torque sensor. The utility model discloses can realize simplifying the sensor and switch the structure, reduce spare part quantity, reduce manufacturing cost's purpose.

Description

Torque wrench detection device

Technical Field

The utility model relates to a check-up equipment technical field particularly, relates to a torque wrench detection device.

Background

With the continuous development of high-speed railway technology in China, the running speed of the motor train is also continuously improved. In order to ensure that the motor train unit safely runs on a high-speed railway, the maintenance of the motor train unit becomes one of key technologies for ensuring the safe operation of the motor train unit, and the reliability and the stability of maintenance equipment are important dependents for ensuring the qualified standard of the maintenance of the motor train unit. In order to ensure the reliability and stability of the torque tool used during maintenance, it is important that the torque tool is correctly checked before use.

The prior published patent with the name of 'an automatic calibrator for torque wrenches', the publication number being CN108731876A, discloses a technical scheme for automatically switching torque sensors to realize detection and calibration of torque wrenches of different specifications, and specifically discloses a sensor unit switching mechanism consisting of a turntable, a rotating mechanism and a plurality of sensor units with different ranges, and a lifting mechanism for lifting the sensor units, wherein the lifting mechanism is retracted to an initial state, the sensor units are placed on the turntable in the initial state, the sensor units consist of torque sensors, spline shafts and positioning plates, when in use, a control system selects the sensor units with proper ranges according to the torque value to be loaded, the rotating mechanism drives the turntable to rotate, the selected sensor units are aligned to a cylinder I connected with the torque wrenches, and the lifting mechanism extends out, the selected sensor unit is lifted and connected to the cylinder, and then calibration for inspection is started.

However, the sensor unit switching technical scheme adopted in the above-mentioned chinese patent is relatively complicated, and the number of parts is large, which increases the manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a torque wrench detection device, it is more complicated that it can solve the sensor unit that above-mentioned chinese patent adopted and switch technical scheme, and spare part quantity is more, has increased manufacturing cost's problem, realizes simplifying the sensor and switches the structure, reduces spare part quantity, reduces manufacturing cost's purpose.

The embodiment of the utility model discloses a realize through following technical scheme:

the utility model provides a torque wrench detection device, includes the conversion motor, still includes conversion axis of rotation, fan-shaped carousel and a plurality of torque sensor, the lower surface and the conversion axis of rotation one end of fan-shaped carousel are fixed, the conversion motor is fixed with the conversion axis of rotation other end, and is a plurality of torque sensor and fan-shaped carousel upper surface are fixed, torque sensor has inserted the adapter, the adapter is used for connecting torque wrench and torque sensor.

In one embodiment, the device further comprises a loading part and a bottom plate, wherein the loading part comprises a connecting rod, a screw rod, a loading motor and a torque spindle, the screw rod is fixed with the bottom plate, the loading motor is connected with the screw rod, the screw rod is in threaded connection with a screw rod nut, one end of the connecting rod is hinged with the screw rod nut, the other end of the connecting rod is provided with a mounting hole and a torque spindle hole, the connecting rod is perpendicular to the screw rod, the mounting hole is used for fixing the conversion motor,

the bottom plate is provided with a bearing, the torsion main shaft is fixed with the bearing, the torsion main shaft penetrates through the torsion main shaft hole and is fixed with the torsion main shaft hole, the central shaft of the torsion main shaft is overlapped with the central shaft of the torsion sensor, and the lead screw drives the connecting rod to rotate around the central shaft of the torsion main shaft.

In one embodiment, a plurality of positioning holes are formed in the lower surface of the sector turntable, and the central axes of the positioning holes are coincident with the central axis of the torsion sensor;

the torsion main shaft is of a hollow structure, the electric push rod is arranged in the torsion main shaft, and the electric push rod is inserted into the positioning hole when extending out.

In one embodiment, the limit device further comprises a limit part, the limit part comprises a fixing frame and two sets of travel switch assemblies, the fixing frame is fixed with the bottom plate, the travel switch assemblies are fixed with the fixing frame, the travel switch assemblies comprise micro switches and proximity switches, and the two sets of travel switch assemblies are used for limiting the rotation angle of the connecting rod.

In one embodiment, the torque wrench further comprises a movable blocking rod frame, the movable blocking rod frame comprises a blocking rod, a sliding block and a pair of guide rods, the pair of guide rods are horizontally arranged and fixed with the bottom plate, the sliding block penetrates through the pair of guide rods, the blocking rod is fixed with the sliding block and perpendicular to the sliding block, a bearing piece is arranged on the blocking rod, the blocking rod is abutted to the torque wrench handle, and the bearing piece is used for supporting the torque wrench handle.

In one embodiment, the sliding block is provided with a plurality of insertion holes, and the stop lever is inserted into the insertion holes and fixed.

In one embodiment, a set screw is arranged in the sliding block, and the set screw is abutted with the guide rod.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

(1) the embodiment of the utility model provides a rotate through setting up the fan-shaped carousel of conversion motor drive, compare with prior art, saved integral key shaft and positioning disk structure, realize simplifying sensor switching structure, reduce spare part quantity, reduce manufacturing cost.

(2) The embodiment of the utility model provides a through setting up connecting rod, lead screw, loading motor and torsion main shaft, still set up electric putter, set up on fan-shaped carousel with electric putter complex jack, to torque wrench loading torsion, realize the detection check-up to torque wrench.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a loading unit according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a sector turntable according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a connecting rod according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an adapter according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a torque sensor according to an embodiment of the present invention.

Icon:

11-conversion motor, 12-sector turntable, 121-positioning hole, 13-adapter, 21-connecting rod, 211-mounting hole, 200-transmission set, 212-torsion spindle hole, 22-screw rod, 23-loading motor, 24-torsion spindle, 25-electric push rod, 31-fixing frame, 32-microswitch, 33-proximity switch, 41-stop lever, 42-sliding block, 43-guide rod and 44-bearing piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted 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 in specific cases to those skilled in the art.

Examples

Referring to fig. 1 to 7, a torque wrench detection device includes a conversion motor 11, a conversion rotation shaft, a sector turntable 12 and a plurality of torque sensors, wherein a lower surface of the sector turntable 12 is fixed to one end of the conversion rotation shaft, the conversion motor 11 is fixed to the other end of the conversion rotation shaft, the plurality of torque sensors are fixed to an upper surface of the sector turntable 12, an adapter 13 is inserted into the torque sensors, and the adapter 13 is used for connecting a torque wrench and the torque sensors.

In order to simplify the sensor switching structure, reduce the number of parts and reduce the manufacturing cost, the technical scheme adopts the switching motor 11 to drive the sector turntable 12 to rotate, and the switching motor 11 is controlled by the controller, and the torsion sensors used in the technical scheme comprise torsion sensors with various measuring ranges, such as torsion sensors with a measuring range of 0.5-5 N.m, torsion sensors with a measuring range of 2-20 N.m, torsion sensors with a measuring range of 20-200 N.m, torsion sensors with a measuring range of 200-2000 N.m, or torsion sensors with other measuring ranges. When using, the operator selects the torque sensor of suitable measuring range through the controller, then the controller starts conversion motor 11, conversion motor 11 drive conversion axis of rotation rotates, conversion axis of rotation drive fan-shaped carousel 12 rotates, be equipped with proximity switch and the response piece that corresponds in the conversion axis of rotation, the response piece triggers proximity switch's position and regards as fan-shaped carousel 12 pivoted origin of coordinates, after fan-shaped carousel 12 rotates the settlement angle, selected torque sensor changes to the clamping station, it is fixed with fan-shaped carousel 12 through other fixed establishment, insert torque sensor with adapter 13 again, be connected torque wrench and torque sensor through adapter 13, just can begin to carry out the torque detection check-up afterwards.

In one embodiment, the device further comprises a loading part and a bottom plate, the loading part comprises a connecting rod 21, a screw rod 22, a loading motor 23 and a torque spindle 24, the screw rod 22 is fixed with the bottom plate, the loading motor 23 is connected with the screw rod 22, the screw rod 22 is in threaded connection with a screw nut, one end of the connecting rod 21 is hinged with the screw nut, the other end of the connecting rod 21 is provided with a mounting hole 211 and a torque spindle hole 212, the connecting rod 21 is perpendicular to the screw rod 22, the mounting hole 211 is used for fixing the conversion motor 11,

the bottom plate is provided with a bearing, the torsion main shaft 24 is fixed with the bearing, the torsion main shaft 24 penetrates through the torsion main shaft hole 212 and is fixed with the torsion main shaft hole 212, the central axis of the torsion main shaft 24 is overlapped with the central axis of the torsion sensor, and the screw rod 22 drives the connecting rod 21 to rotate around the central axis of the torsion main shaft 24.

In order to load torque on the torque wrench, the technical scheme is provided with a loading part comprising a connecting rod 21, a screw rod 22, a loading motor 23 and a torque main shaft 24, wherein the torque main shaft 24 is provided with a limiting part which can extend out or retract, the lower surface of the sector turntable 12 is provided with a plurality of jacks, and the limiting part can be inserted into the jacks to fix the sector turntable 12. The torsion spindle hole 212 of the connecting rod 21 is connected and fixed with the torsion spindle 24 in a penetrating manner, and the mounting hole 211 of the connecting rod 21 is used for mounting the conversion motor 11. When the torsion sensor fixed on the fan-shaped turntable 12 rotates to the clamping station, the central axis of the torsion sensor is overlapped with the central axis of the torsion main shaft 24, and the limiting part extends out of the insertion hole to be inserted into the insertion hole so as to fix the fan-shaped turntable 12.

When the torque wrench is used, when a selected torque sensor is rotated to a clamping station, the limiting part extends out of the fixed fan-shaped rotary table 12, the torque wrench is connected with the torque sensor through the adapter 13, other fixing structures are arranged on the bottom plate to limit the handle part of the torque wrench to move or fix the handle part of the torque wrench, the controller starts the loading motor 23, the loading motor 23 drives the screw rod 22 to rotate, the screw rod 22 drives the connecting rod 21 to rotate around the torque main shaft 24, the fan-shaped rotary table 12 is fixed and connected with the connecting rod 21, and the central shaft of the torque sensor is overlapped with the central shaft of the torque main shaft 24, so that the connecting rod 21 drives the selected torque sensor to rotate, and the purpose of applying torque to the torque.

In one embodiment, the lower surface of the sector turntable 12 is provided with a plurality of positioning holes 121, and the central axes of the positioning holes 121 coincide with the central axis of the torque sensor;

the torsion main shaft 24 is of a hollow structure, the electric push rod 25 is arranged in the torsion main shaft 24, and the electric push rod 25 is inserted into the positioning hole 121 when extending out.

After the selected torque sensor is rotated to the clamping station, in order to fix the fan-shaped turntable 12 and make the fan-shaped turntable 12 and the connecting rod 21 form a whole, the technical scheme is that the torque main shaft 24 is set to be a hollow structure, the electric push rod 25 is arranged in the torque main shaft 24, after the selected torque sensor is rotated to the clamping station, the electric push rod 25 extends out and is inserted into the positioning hole 121 on the lower surface of the fan-shaped turntable 12, so that the fan-shaped turntable 12 is fixed and made to form a whole with the connecting rod 21,

in one embodiment, the device further comprises a limiting component, the limiting component comprises a fixed frame 31 and two sets of travel switch assemblies, the fixed frame 31 is fixed with the bottom plate, the travel switch assemblies are fixed with the fixed frame 31, the travel switch assemblies comprise a micro switch 32 and a proximity switch 33, and the two sets of travel switch assemblies are used for limiting the rotation angle of the connecting rod 21.

In order to avoid the situation that the loading motor 23 drives the connecting rod 21 to rotate towards one direction without limit to cause damage to the loading motor 23 or deformation of other parts, the technical scheme is provided with a fixed frame 31, two groups of travel switch assemblies are arranged on the fixed frame 31, each group of travel switch assembly comprises a microswitch 32 and a proximity switch 33, when the connecting rod 21 touches the microswitch 32 or the proximity switch 33, the loading motor 23 is immediately closed by a controller, double insurance is realized by using the microswitch 32 and the proximity switch 33, and the rotation angle range of the connecting rod 21 is limited by the two groups of travel switch assemblies.

In one embodiment, the torque wrench further comprises a movable gear rack, the movable gear rack comprises a gear 41, a sliding block 42 and a pair of guide rods 43, the pair of guide rods 43 is horizontally arranged and fixed with the bottom plate, the sliding block 42 is sleeved on the pair of guide rods 43 in a penetrating manner, the gear 41 is fixed with the sliding block 42, the gear 41 is perpendicular to the sliding block 42, the gear 41 is provided with a bearing 44, the gear 41 is abutted to the torque wrench handle, and the bearing 44 is used for supporting the torque wrench handle.

In the verification process, the loading part applies torque to the head of the torque wrench, in order to complete detection and verification, the handle of the torque wrench must be limited or fixed, the handle of the torque wrench is guaranteed not to move, and the movable gear rack is arranged in the technical scheme. Before the torque detection and verification, the sliding block 42 slides along the guide rod 43, the sliding block 42 is moved to a torque wrench handle according to the length of the torque wrench, the torque wrench handle is abutted against the stop rod 41, and the position of the bearing piece 44 is adjusted along the length of the stop rod 41, so that the bearing piece 44 supports the torque wrench handle, and the torque wrench is ensured to be in a horizontal state as a whole; when the torque force is detected and checked, the head of the torque wrench is under the torque force, and the handle of the torque wrench is limited by the stop lever 41, so that the torque wrench cannot rotate by taking the head as the center, and only the rotating mechanism in the head of the torque wrench can rotate, thereby completing the detection and check.

In one embodiment, the sliding block 42 is provided with a plurality of insertion holes, and the stop lever 41 is inserted into the insertion holes and fixed.

In one embodiment, a set screw is provided in the slide 42, which abuts against the guide rod 43.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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 (7)

1. A torque wrench detection device, includes conversion motor (11), its characterized in that: still including conversion axis of rotation, fan-shaped carousel (12) and a plurality of torque sensor, the lower surface and the conversion axis of rotation one end of fan-shaped carousel (12) are fixed, it is a plurality of that conversion motor (11) are fixed with conversion axis of rotation other end torque sensor and fan-shaped carousel (12) upper surface are fixed, torque sensor has inserted adapter (13), adapter (13) are used for connecting torque wrench and torque sensor.

2. The torque wrench detection device according to claim 1, wherein: the loading device comprises a connecting rod (21), a screw rod (22), a loading motor (23) and a torsion main shaft (24), the screw rod (22) is fixed with the bottom plate, the loading motor (23) is connected with the screw rod (22), the screw rod (22) is in threaded connection with a screw nut, one end of the connecting rod (21) is hinged with the screw nut, the other end of the connecting rod (21) is provided with a mounting hole (211) and a torsion main shaft hole (212), the connecting rod (21) is perpendicular to the screw rod (22), the mounting hole (211) is used for fixing the conversion motor (11),

the bottom plate is provided with a bearing, the torsion main shaft (24) is fixed with the bearing, the torsion main shaft (24) penetrates through the torsion main shaft hole (212) and is fixed with the torsion main shaft hole (212), the central shaft of the torsion main shaft (24) is overlapped with the central shaft of the torsion sensor, and the lead screw (22) drives the connecting rod (21) to rotate around the central shaft of the torsion main shaft (24).

3. The torque wrench detection device according to claim 2, wherein: the lower surface of the fan-shaped turntable (12) is provided with a plurality of positioning holes (121), and the central axes of the positioning holes (121) are overlapped with the central axis of the torque sensor;

the torsion main shaft is characterized by further comprising an electric push rod (25), the torsion main shaft (24) is of a hollow structure, the electric push rod (25) is arranged in the torsion main shaft (24), and the electric push rod (25) is inserted into the positioning hole (121) when extending out.

4. The torque wrench detection device according to claim 3, wherein: the limiting device is characterized by further comprising a limiting part, wherein the limiting part comprises a fixing frame (31) and two sets of travel switch assemblies, the fixing frame (31) is fixed with the bottom plate, the travel switch assemblies are fixed with the fixing frame (31), each travel switch assembly comprises a micro switch (32) and a proximity switch (33), and the travel switch assemblies are used for limiting the rotating angle of the connecting rod (21).

5. The torque wrench detection device according to claim 4, wherein: still including removing the shelves pole frame, it includes pin (41), slider (42) and a pair of guide bar (43) to remove the shelves pole frame, and is a pair of guide bar (43) level sets up and is fixed with the bottom plate, slider (42) wear to overlap in a pair of guide bar (43), pin (41) are fixed with slider (42), pin (41) are perpendicular with slider (42), pin (41) are equipped with bearing piece (44), pin (41) and torque wrench handle butt, bearing piece (44) are used for lifting torque wrench handle.

6. The torque wrench detection device according to claim 5, wherein: the sliding block (42) is provided with a plurality of insertion holes, and the stop lever (41) is inserted into the insertion holes and fixed.

7. The torque wrench detection device according to claim 5, wherein: a set screw is arranged in the sliding block (42) and is abutted against the guide rod (43).

Images