CN217211229U

CN217211229U - Torque detection device of bolt tightening gun

Info

Publication number: CN217211229U
Application number: CN202123106271.XU
Authority: CN
Inventors: 张旺新; 王赛
Original assignee: Nanchang Hichly Electrical Appliance Co ltd; Shanghai Highly Electrical Appliances Co Ltd
Current assignee: Nanchang Hichly Electrical Appliance Co ltd; Shanghai Highly Electrical Appliances Co Ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-08-16
Anticipated expiration: 2031-12-06

Abstract

The utility model provides a torque detection device of bolt tightening rifle is applicable to the output torque detection of bolt tightening rifle, the bolt tightening rifle includes rotatable turn round, torque detection device includes torque sensor, be equipped with measuring module and cooperation head among the torque sensor, measuring module links to each other with the cooperation head, the cooperation overhead be equipped with the recess of mutually supporting of turning round of bolt tightening rifle, when measuring during the output torque of bolt tightening rifle, the turn round of bolt tightening rifle mutually support install in the recess of cooperation head, to the bolt tightening rifle sends out the action instruction of screwing up, through torque sensor measuring module measures the actual output torque of bolt tightening rifle. The technical scheme of the utility model convenient and fast.

Description

Torque detection device of bolt tightening gun

Technical Field

The utility model relates to a detection device field, specifically speaking relates to a torque detection device of bolt tightening rifle.

Background

The bolt connection is a widely used detachable fixed connection structure, has the advantages of simple structure, reliable connection, convenient assembly and disassembly and the like, and is widely applied to various mechanical devices. At present, in the assembly industry of air condition compressors, bolt connection is also the most widely used, and the cylinder is mainly connected with the flange plate through bolts.

In the pump body assembling process, the reliability of pump body assembly is ensured by screwing the gun through the bolt to output torque. Whether the output torque of the bolt tightening gun is accurate or not directly influences the assembly quality of the pump body.

In actual production, the output torque of the bolt tightening gun is mostly detected by manually measuring the torque of the bolt through a handheld torque measuring wrench, so that time and labor are wasted, and the result is inaccurate.

Meanwhile, in actual production, the quality of parts such as bolts and silencers and the matching of the sizes of the parts affect torque detection. Therefore, if the check torque and the bolt gun output torque do not match each other when the bolt torque is manually checked, the cause of the inconsistency between the check torque and the bolt gun output torque cannot be accurately determined due to a large number of influencing factors.

To this end, those skilled in the art have endeavored to develop a torque detecting device of a bolt tightening gun which is quick and convenient.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art, the utility model aims to provide a torque detection device of bolt tightening rifle can realize online school in the field and proofread, and the simple operation does not need dismouting equipment simultaneously, has improved detection efficiency greatly.

According to the utility model discloses, a torque detection device of bolt tightening rifle is provided, is applicable to the output torque detection of bolt tightening rifle, the bolt tightening rifle includes rotatable turn round, torque detection device includes torque sensor, be equipped with measuring module and cooperation head among the torque sensor, measuring module links to each other with the cooperation head, the cooperation overhead be equipped with the recess of mutually supporting of the turn round of bolt tightening rifle, when measuring during the output torque of bolt tightening rifle, the turn round of bolt tightening rifle mutually support install in the recess of cooperation head, to the bolt tightening rifle sends out the action of screwing up instruction, through torque sensor measuring module measures the actual output torque of bolt tightening rifle.

Preferably: the bolt tightening gun is further provided with a torque display module, and when the output torque of the bolt tightening gun is detected, whether the display output torque is accurate or not is judged by comparing the actual output torque measured by the torque sensor with the difference of the display output torque of the bolt tightening gun torque display module.

Preferably: still be equipped with unable adjustment base, torque sensor with unable adjustment base is fixed or detachable connects.

Preferably: the cooperation head is located torque sensor's top, torque sensor's bottom with unable adjustment base fixed connection.

Preferably: and a display for displaying the measurement data of the measurement module is also arranged in the torque sensor, and the display is connected with the measurement module.

Preferably: the torque sensor further comprises a sensor lead, and the display is connected with the measuring module through the sensor lead.

Preferably, the following components: the cross section of the rotary head of the bolt tightening gun is in a regular hexagon shape.

Preferably: the cross section of the groove on the matching head of the torque sensor is in a regular hexagon shape.

The utility model discloses a torque detection device of bolt tightening rifle can realize online school in the field and proofread, and the simple operation does not need the dismouting equipment simultaneously, has improved detection efficiency greatly.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments thereof, with reference to the following drawings.

Fig. 1 is a schematic structural view of a torque detection device of a bolt tightening gun according to an embodiment of the present invention.

Reference numerals

1 bolt tightening gun

2 rotating head

3 measuring module

4 fitting head

5 fixed base

6 display

7 sensor wire

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus, a repetitive description thereof will be omitted.

As shown in fig. 1, in an embodiment of the present invention, a torque detection device for a bolt tightening gun is provided, which is suitable for detecting an output torque of the bolt tightening gun 1.

The bolt tightening gun 1 comprises a rotatable rotor 2.

The torque detecting means includes a torque sensor. The torque sensor is provided with a measuring module 3 and a matching head 4.

The measuring module 3 is connected with the fitting head 4. The matching head 4 is provided with a groove which is matched with the rotating head 2 of the bolt tightening gun 1.

When measuring the output torque of the bolt tightening gun 1, the rotor 2 of the bolt tightening gun 1 is fitted into the recess of the fitting head 2. And then, a tightening action command is sent to the bolt tightening gun 1, and the actual output torque of the bolt tightening gun 1 is measured by the torque sensor measuring module 3.

The utility model discloses a match torque sensor and monitor bolt tightening rifle output torque, can realize online school in the field to right, the simple operation does not need the dismouting equipment simultaneously, has improved detection efficiency greatly. Meanwhile, in order to avoid the influence of transition pieces such as bolt tightening gun sleeves and equipment actions on the authenticity of the monitoring value of the sensor, the sensor is directly connected with the bolt gun, and the instructions are shielded except for triggering a bolt gun tightening action instruction.

As shown in fig. 1, in the embodiment of the present invention, it is preferable that a torque display module is further provided on the bolt tightening gun 1.

When detecting whether the output torque of the bolt tightening gun 1 is accurate, judging whether the displayed output torque is accurate by comparing the difference between the actual output torque measured by the torque sensor and the displayed output torque of the torque display module of the bolt tightening gun 1.

Simultaneously, the accessible is repeated many times to trigger the instruction of screwing up, compares the torque value of sensor control with bolt rifle output torque value, can judge whether bolt rifle output torque is accurate according to the distribution of both torque values.

Furthermore, as shown in fig. 1, in the embodiment of the present invention, a fixing base 5 is preferably further provided. The torque sensor is fixedly or detachably connected with the fixed base 5.

And preferably, the matching head 4 is arranged at the top end of the torque sensor, and the bottom end of the torque sensor is fixedly connected with the fixed base 5.

In addition, as shown in fig. 1, in the embodiment of the present invention, it is preferable that a display 6 for displaying the measurement data of the measurement module 3 is further provided in the torque sensor, and the display 6 is connected to the measurement module 3 through a sensor wire 7.

And it is preferable that the cross-sectional shape of the rotor 3 of the bolt-tightening gun is a regular hexagon. The cross-sectional shape of the recess on the mating head 4 of the torque sensor is also regular hexagonal.

The invention is described below in terms of specific embodiments:

example 1

As shown in fig. 1, a torque detection device of a compressor bolt tightening gun is suitable for output torque detection of the bolt tightening gun 1.

The bolt tightening gun 1 includes a rotatable rotor 2 and a torque display module.

The torque detection device includes a torque sensor and a stationary base 5. The torque sensor is provided with a measuring module 3, a matching head 4, a display 6 and a sensor lead 7.

The measuring module 3 is connected with a fitting head 4. The matching head 4 is provided with a groove matched with the rotating head 2 of the bolt tightening gun 1. The display 6 is connected to the measuring module 3 via a sensor line 7.

The top of torque sensor is located to cooperation head 4, and torque sensor's bottom and unable adjustment base 5 fixed connection.

When measuring the output torque of the bolt tightening gun 1, the rotor 2 of the bolt tightening gun 1 is fitted into the recess of the fitting head 2. And repeatedly triggering the tightening instruction for many times, comparing the actual torque value monitored by the sensor with the displayed torque value of the bolt gun, and judging whether the output torque of the bolt gun is accurate or not according to the distribution of the torque values of the bolt gun and the bolt gun.

The alignment results are shown in the following table by actual measurement 20 times:

table 1: measurement results

As can be seen from the distribution of the upper diagram, the actual value of the output torque of the bolt tightening gun 1 according to embodiment 1 of the present invention is substantially stable, and the difference from the displayed value is about 0.7.

To sum up, the utility model discloses a torque detection device of bolt tightening rifle can realize online school in the field and proofread, and the simple operation does not need the dismouting equipment simultaneously, has improved detection efficiency greatly.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A torque detection device for a bolt tightening gun is characterized by being suitable for output torque detection of the bolt tightening gun (1), the bolt tightening gun (1) comprises a rotatable rotor (2), the torque detection device comprises a torque sensor, the torque sensor is internally provided with a measuring module (3) and a matching head (4), the measuring module (3) is connected with the matching head (4), the matching head (4) is provided with a groove which is matched with the rotating head (2) of the bolt tightening gun (1), when measuring the output torque of the bolt tightening gun (1), the rotating head (2) of the bolt tightening gun (1) is arranged in the groove of the matching head (4) in a mutually matched manner, and sends a tightening action instruction to the bolt tightening gun (1), the actual output torque of the screw tightening gun (1) is measured by the measuring module (3).

2. The torque detection device of a bolt tightening gun according to claim 1, characterized in that: the bolt tightening gun (1) is further provided with a torque display module, and when the output torque of the bolt tightening gun (1) is detected, the difference between the actual output torque measured by the torque sensor and the display output torque of the bolt tightening gun (1) torque display module is compared to judge whether the display output torque is accurate or not.

3. The torque detection device of a bolt tightening gun according to claim 1, characterized in that: still be equipped with unable adjustment base (5), torque sensor with unable adjustment base (5) are fixed or detachable connects.

4. The torque detection device of a bolt tightening gun according to claim 3, characterized in that: the matching head (4) is arranged at the top end of the torque sensor, and the bottom end of the torque sensor is fixedly connected with the fixed base (5).

5. The torque detection device of a bolt tightening gun according to claim 1, characterized in that: and a display (6) for displaying the measurement data of the measurement module (3) is further arranged in the torque sensor, and the display (6) is connected with the measurement module (3).

6. The torque detection device of a bolt tightening gun according to claim 5, characterized in that: the torque sensor further comprises a sensor lead (7), and the display (6) is connected with the measuring module (3) through the sensor lead (7).

7. The torque detection device of a bolt tightening gun according to claim 1, characterized in that: the cross section of the rotary head (2) of the bolt tightening gun (1) is in a regular hexagon shape.

8. The torque detection device of a bolt tightening gun according to claim 7, characterized in that: the cross section of the groove on the matching head (4) of the torque sensor is in a regular hexagon shape.