CN219005884U

CN219005884U - Clamping device of electric torque tool and multifunctional operating platform

Info

Publication number: CN219005884U
Application number: CN202223407062.3U
Authority: CN
Inventors: 蒙培波; 石能光; 韦盛奖; 熊树林; 温贤堂
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-12
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to the technical field of electric torque tools, and provides a clamping device and a multifunctional operation platform of an electric torque tool, which can be suitable for electric torque tools of different specifications, and comprise a horizontal bracket and clamping plates, wherein the front end of the horizontal bracket is provided with a notch, clamping plate connecting parts are arranged on the horizontal bracket and positioned on two sides of the notch, a through hole for passing through an output shaft of the electric torque tool is arranged in the center of the clamping plate, and bracket connecting parts are arranged on two sides of the through hole; the clamping plates are laminated with the front end of the horizontal bracket, the through holes are overlapped with the openings, and the bracket connecting part and the clamping plate connecting part are fixed through the detachable fastener; the clamping plate is also provided with a fastening structure for fixing the electric torque tool. The multifunctional operating platform of the electric torque tool comprises a clamping device, a workbench and a double-shaft sliding table, and the space position of the clamping device can be adjusted to adapt to the clamping space required by the electric torque tool.

Description

Clamping device of electric torque tool and multifunctional operating platform

Technical Field

The utility model relates to the technical field of electric torque tools, in particular to a clamping device of an electric torque tool and a multifunctional operation platform of a torque electric gun.

Background

The electric torque tool is used for providing torque force, such as an Alplacian torque electric gun, a tightening shaft and the like which are widely used in a whole vehicle assembly workshop. The electric torque tool relates to the links of calibration, maintenance, test, maintenance and the like in the use process. The electric torque tool has different models and sizes, and currently, clamping devices which can be simultaneously suitable for different electric torque tools are lacking, so that when the electric torque tool is subjected to operations such as calibration, maintenance, testing and maintenance, a manual hand-held mode is adopted to provide support for the electric torque tool. However, manual handling has the following drawbacks: 1) Manual holding cannot ensure that the sensor, the analog bolt and the electric gun are always in the same straight line, or unstable holding can cause larger data errors. 2) The safety risk of manual hand-held operation is high, and especially the big torsion instrument can lead to the fact toppling over or sensor and link joint to drop the risk because of handheld unstability, causes personnel to be injured. 3) The large-torque electric gun can be calibrated only on line, and the on-line calibration can hurt a finished vehicle and collide with operators on a production line.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide a clamping device of an electric torque tool, which can be suitable for electric torque tools with different specifications.

The utility model is realized by the following technical scheme: the clamping device of the electric torque tool comprises a horizontal bracket and a clamping plate, wherein a notch is formed in the front end of the horizontal bracket, connecting parts of the clamping plate are arranged on two sides of the notch on the horizontal bracket, a through hole for passing through an output shaft of the electric torque tool is formed in the center of the clamping plate, and connecting parts of the bracket are arranged on two sides of the through hole; the clamping plates are laminated with the front end of the horizontal bracket, the through holes are overlapped with the openings, and the bracket connecting part and the clamping plate connecting part are fixed through the detachable fastener; the clamping plate is also provided with a fastening structure for fixing the electric torque tool.

Furthermore, the clamping plate is used for clamping the elbow electric gun, the fastening structure comprises a supporting ring and a locking ring, and the supporting ring and the locking ring are both semi-circular ring structures with horizontal lugs at two ends; the front end of the clamping plate is provided with a notch communicated with the through hole, the supporting ring is clamped into the notch at the front end of the clamping plate, the opening of the supporting ring faces upwards, and the horizontal lugs of the supporting ring are welded on the clamping plate; the locking ring is in butt joint with the supporting ring to form a locking hole for locking the gun body, and the supporting ring is fixed with the horizontal lugs of the locking ring through bolts.

Further, the fastening structure further comprises an adjusting pair for filling a gap between the gun body and the locking hole, and the adjusting pair comprises two semi-rings.

Further, the method comprises the steps of: the clamping plate is used for clamping the linear electric gun or the electric gun with the elbow above 200N, the fastening structure comprises electric gun fixing holes distributed on the clamping plate, and the electric gun fixing holes are distributed in a distribution mode corresponding to connecting screws on the linear electric gun or the electric gun with the elbow above 200N.

Further, three electric gun fixing holes which are distributed in a triangular shape and are used for fixing the linear electric gun are arranged on the clamping plate around the holes; four electric gun fixing holes which are distributed in an array are formed beside the through hole and are used for fixing the electric gun with the elbow above 200N.

Further, the clamping plate is used for clamping the electric torsion shaft, the fastening structure comprises torsion shaft fixing holes distributed on the clamping plate, and the electric gun fixing holes are distributed corresponding to the distribution form of the connecting screw rods on the electric torsion shaft.

Further, the three torsion shaft fixing holes are distributed in a triangular shape around the hole.

Further, the bracket connection part is connected with the clamping plate connection part through bolts.

The utility model also provides a multifunctional operating platform of the electric torque tool, which comprises the clamping device of the electric torque tool, a workbench and a double-shaft sliding table; the double-shaft sliding table comprises a horizontal sliding table and a vertical sliding table, wherein the horizontal sliding table is fixed on the workbench, and the vertical sliding table is fixed on the horizontal sliding table; the clamping device is fixed on the vertical sliding table through the rear end connecting plate of the horizontal bracket, the vertical sliding table is driven to do linear reciprocating motion on the horizontal plane through the horizontal sliding table, and the vertical sliding table is used for driving the clamping device to do linear reciprocating motion in the vertical direction, so that the space position of the clamping device is adjusted to adapt to the clamping space required by the electric torque tool.

Furthermore, bench clamps for clamping the simulation bolts are arranged below the horizontal brackets.

Compared with the prior art, the utility model has the beneficial effects that:

1. the front end of the horizontal bracket is provided with a notch to avoid motion interference with the electric torque tool, the clamping plate is overlapped with the front end of the horizontal bracket, and the through hole is overlapped with the notch to ensure that the output shaft of the electric torque tool can smoothly pass through the through hole.

2. The electric torque tool to be tested is stably clamped by the clamping device, and the output shaft, the sensor and the simulation bolt of the electric torque tool are kept on the same axis, so that the data stability is ensured.

3. The clamping device replaces a hand to clamp the electric torque tool, so that the danger that a person can be beaten by an electric gun due to unstable hand holding during manual operation calibration is avoided, and the risk that the sensor and the link joint fall down is reduced.

4. The clamping of the electric torque tools with various sizes and models can be met through the matching of the clamping plates, meanwhile, the clamping space of the electric torque tools with various sizes and models is met through the double-shaft sliding table, therefore, the off-line calibration can be carried out even if the torque tools are large, the on-line calibration is avoided, finished product vehicles can be injured, operating production line workers can be collided, and the quality and the personnel safety of the finished product vehicles are guaranteed.

Drawings

FIG. 1 is a schematic diagram of a multifunctional operating platform for calibrating the clamping state of the torque force of an electric gun.

FIG. 2 is a schematic structural view of a pallet support;

FIG. 3 is a schematic diagram of a clamping plate structure for a 200N or less elbow electric gun;

FIG. 4 is a schematic diagram of the structure of the adjusting pair;

FIG. 5 is a schematic diagram of a clamping plate structure for a straight line gun/an elbow gun above 200N;

fig. 6 is a schematic view of a cleat structure for an electric torsion shaft.

Detailed Description

In view of the fact that the multifunctional operating platform of the electric torque tool comprises a clamping device, the multifunctional operating platform is taken as an example for illustration of the specific embodiment. The utility model is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, a multifunctional operating platform of an electric torque tool comprises a clamping device of the electric torque tool, a workbench 1 and a double-shaft sliding table; the double-shaft sliding table comprises a horizontal sliding table and a vertical sliding table, wherein the horizontal sliding table is fixed on the workbench, and the vertical sliding table is fixed on the horizontal sliding table; the clamping device is fixed on the vertical sliding table, the vertical sliding table is driven to do linear reciprocating motion on the horizontal plane through the horizontal sliding table, and the vertical sliding table is used for driving the clamping device to do linear reciprocating motion in the vertical direction, so that the space position of the clamping device is adjusted to adapt to the clamping space required by the electric torque tool.

Specifically, the horizontal sliding table comprises a horizontal sliding rail 3 (linear guide rail) and a horizontal sliding plate, and the horizontal sliding plate is in sliding connection with the horizontal sliding rail through a sliding block. The vertical sliding table comprises a ball screw 6, a vertical sliding rail 4 and a vertical sliding plate, the vertical sliding plate is in sliding connection with the vertical sliding rail through a sliding block, a nut of the ball screw is fixedly connected with the vertical sliding plate, and the circumferential movement is converted into linear reciprocating movement of the nut through a screw rod of the rotating ball screw, so that the vertical sliding plate is driven to move along the vertical sliding rail.

The clamping device comprises a horizontal bracket 7 and clamping plates, as shown in reference to fig. 2, the rear end of the horizontal bracket is fixed on the vertical sliding table through a rear end connecting plate 701, a notch 702 is formed in the front end of the horizontal bracket 7, clamping plate connecting parts 703 are arranged on the horizontal bracket and positioned on two sides of the notch, and each clamping plate connecting part is provided with a bolt hole, so that the clamping plates can be detachably connected with the horizontal bracket through bolts; the simulation bolt 5 is fixedly arranged on the workbench below the notch 702 of the horizontal bracket by using the bench clamp 2.

The center of the clamping plate is provided with a through hole for passing through an output shaft of the electric torque tool, and two sides of the through hole are respectively provided with a bracket connecting part; the clamping plates are laminated with the front end of the horizontal bracket, the through holes are overlapped with the openings, and the bracket connecting part and the clamping plate connecting part are fixed through the detachable fastener; the clamping plate is also provided with a fastening structure for fixing the electric torque tool.

The electric gun is divided into a straight electric gun (alpha=180°) and an elbow electric gun (alpha=90°) according to an included angle alpha between the torque electric gun output shaft and the gun body. Different clamping plates are respectively adopted for the elbow electric gun and the straight electric gun.

Referring to fig. 3, a clamping plate 9 for an electric gun with an elbow below 200N is provided, a through hole 902 for passing through an output end of the electric gun is arranged in the center of the clamping plate 9, bracket connecting parts 903 are arranged at two sides of the through hole 902 at the rear end of the clamping plate 9, and each bracket connecting part is provided with a bolt hole, so that the clamping plate can be detachably connected with a horizontal bracket through bolts; the front end of the clamping plate is provided with a notch communicated with the through hole, the supporting ring 901 is clamped into the notch at the front end of the clamping plate, the opening of the supporting ring faces upwards, and the horizontal lugs of the supporting ring 901 are welded on the clamping plate; the locking ring is in butt joint with the supporting ring to form a locking hole for locking the gun body, and the supporting ring is fixed with the horizontal lugs of the locking ring through bolts.

Referring to fig. 1, an elbow electric gun 8 (below 200N) extends into a locking hole formed by abutting the locking ring and the supporting ring along the horizontal direction, and the gun body can be clamped firmly by locking the lugs by bolts. For the elbow electric gun with smaller gun body diameter, an adjusting pair can be placed in the round hole formed by the locking ring and the supporting ring to fill the gap between the gun body and the locking ring, and the adjusting pair is shown by referring to fig. 4 and comprises two semi-rings 9011 which can wrap the upper circumferential surface and the lower circumferential surface of the gun body respectively, so that the locking ring can lock the thinner gun body.

The output shaft of the elbow electric gun 8 passes through the through hole 902 on the clamping plate 9 so that the corner head on the output shaft can face to the simulation bolt 5.

Referring to fig. 5, a clamping plate 10 for a straight line electric gun/an elbow electric gun with more than 200N is shown, a through hole 1001 for passing through an output end of the electric gun is arranged in the center of the clamping plate 10, bracket connecting parts 1002 are arranged on two sides of the through hole 1001 on the clamping plate, and bolt holes are arranged on each bracket connecting part, so that the clamping plate 10 can be detachably connected with a horizontal bracket through bolts; the clamping plate is also provided with electric gun fixing holes for inserting connecting screws on the linear electric gun, and three electric gun fixing holes distributed in a triangular shape are formed around the holes 1001 as shown in fig. 5. In addition, for the more than 200N elbow electric gun, can fix through four electric gun fixed orifices of array distribution in the via hole side.

The clamping plate 10 is connected to the horizontal bracket by bolts, the linear electric gun is vertically inserted into the through hole 1001 from top to bottom, and the output shaft of the linear electric gun passes through the through hole 1001 so that the corner head on the output shaft can face the simulation bolt 5.

Referring to fig. 6, a clamping plate 11 for an electric torsion shaft, the center of the clamping plate 11 is provided with a through hole 1101 for the output end of the electric torsion shaft to pass through, two sides of the through hole 1101 on the clamping plate 11 are respectively provided with a bracket connecting part 1102, and each bracket connecting part is provided with a bolt hole, so that the clamping plate 11 can be detachably connected with a horizontal bracket through bolts; the clamping plate is further provided with torsion shaft fixing holes for inserting connecting screws on the electric torsion shafts, the distribution of the torsion shaft fixing holes corresponding to the electric torsion shafts is shown in fig. 6, and the torsion shaft fixing holes distributed in a triangle form around the through holes 1101.

The clamping plate 11 is connected to the horizontal bracket by bolts, the electric torsion shaft is vertically inserted into the through hole 1101 from top to bottom, and the output shaft of the electric torsion shaft passes through the through hole 1101 so that the corner head on the output shaft can be directed onto the simulation bolt 5.

After the clamping of the electric torque tool is completed, the angle head of the electric torque tool is aligned to the simulation bolt 5 by adjusting the double-shaft sliding table, and a sensor is connected between the angle head and the simulation bolt, so that the maintenance, the test and the calibration of all guns and shafts can be satisfied. The electric torque tool to be tested is stably clamped, and the output shaft, the sensor and the simulation bolt of the electric torque tool are kept on the same axis, so that the data stability is ensured.

The clamping device replaces a hand to clamp the electric torque tool, so that the danger that a person can be beaten by an electric gun due to unstable hand holding during manual operation calibration is avoided, and the risk that the sensor and the link joint fall down is reduced.

The clamping of the electric torque tools with various sizes and models can be met through the matching of the clamping plates, meanwhile, the clamping space of the electric torque tools with various sizes and models is met through the double-shaft sliding table, therefore, the off-line calibration can be carried out even if the torque tools are large, the on-line calibration is avoided, finished product vehicles can be injured, operating production line workers can be collided, and the quality and the personnel safety of the finished product vehicles are guaranteed.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, unless otherwise indicated, the terms "upper," "lower," "left," "right," "inner," "outer," and the like are used for convenience in describing the present utility model and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the devices or elements in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The foregoing technical solution is only one embodiment of the present utility model, and various modifications and variations can be easily made by those skilled in the art based on the principles disclosed in the present utility model, and are not limited to the technical solutions described in the foregoing specific examples of the present utility model, therefore, the foregoing description is only preferred and not in any limiting sense.

Claims

1. The utility model provides a clamping device of electronic torsion instrument which characterized in that: the device comprises a horizontal bracket and clamping plates, wherein the front end of the horizontal bracket is provided with a notch, and the two sides of the notch on the horizontal bracket are respectively provided with a clamping plate connecting part; the center of the clamping plate is provided with a through hole for passing through an output shaft of the electric torque tool, and two sides of the through hole are respectively provided with a bracket connecting part; the clamping plates are laminated with the front end of the horizontal bracket, the through holes are overlapped with the openings, and the bracket connecting part and the clamping plate connecting part are fixed through the detachable fastener; the clamping plate is also provided with a fastening structure for fixing the electric torque tool.

2. The clamping device of an electric torque tool according to claim 1, wherein: the clamping plate is used for clamping the elbow electric gun, the fastening structure comprises a supporting ring and a locking ring, and the supporting ring and the locking ring are semi-circular ring structures with horizontal lugs at two ends; the front end of the clamping plate is provided with a notch communicated with the through hole, the supporting ring is clamped into the notch at the front end of the clamping plate, the opening of the supporting ring faces upwards, and the horizontal lugs of the supporting ring are welded on the clamping plate; the locking ring is in butt joint with the supporting ring to form a locking hole for locking the gun body, and the supporting ring is fixed with the horizontal lugs of the locking ring through bolts.

3. The clamping device of an electric torque tool according to claim 2, wherein: the fastening structure further comprises an adjusting pair for filling a gap between the gun body and the locking hole, and the adjusting pair comprises two semi-rings.

4. The clamping device of an electric torque tool according to claim 1, wherein: the clamping plate is used for clamping the linear electric gun or the electric gun with the elbow above 200N, the fastening structure comprises electric gun fixing holes distributed on the clamping plate, and the electric gun fixing holes are distributed in a distribution mode corresponding to connecting screws on the linear electric gun or the electric gun with the elbow above 200N.

5. The clamping device for an electric torque tool as claimed in claim 4, wherein: three electric gun fixing holes which are distributed in a triangular shape and are formed around the holes are formed in the clamping plate and are used for fixing the linear electric gun; four electric gun fixing holes which are distributed in an array are formed beside the through hole and are used for fixing the electric gun with the elbow above 200N.

6. The clamping device of an electric torque tool according to claim 1, wherein: the clamping plates are used for clamping the electric torsion shafts, the fastening structure comprises torsion shaft fixing holes distributed on the clamping plates, and the electric gun fixing holes are distributed in a distribution mode corresponding to connecting screws on the electric torsion shafts.

7. The clamping device of an electric torque tool according to claim 1, wherein: the three torsion shaft fixing holes are distributed in a triangle shape around the holes.

8. The clamping device of an electric torque tool according to claim 1, wherein: the bracket connecting part is connected with the clamping plate connecting part through bolts.

9. A multifunctional operating platform of an electric torque tool, comprising the clamping device of the electric torque tool according to any one of claims 1 to 8, a workbench and a double-shaft sliding table; the double-shaft sliding table comprises a horizontal sliding table and a vertical sliding table, wherein the horizontal sliding table is fixed on the workbench, and the vertical sliding table is fixed on the horizontal sliding table; the clamping device is fixed on the vertical sliding table through the rear end connecting plate of the horizontal bracket, the vertical sliding table is driven to do linear reciprocating motion on the horizontal plane through the horizontal sliding table, and the vertical sliding table is used for driving the clamping device to do linear reciprocating motion in the vertical direction, so that the space position of the clamping device is adjusted to adapt to the clamping space required by the electric torque tool.

10. The multi-function operating platform of the power torque tool of claim 9, wherein: and bench clamps used for clamping the simulation bolts are arranged below the horizontal brackets.