Engine key bolt fastening device

Abstract

The utility model relates to an engine key bolt fastening device, which belongs to the technical field of bolt fastening devices, and comprises a fixed base and a circular frame body, a support frame is arranged on the right side of the upper surface of the fixed base, a mounting plate is arranged on the front surface of the support frame, and a control panel is arranged on the front surface of the mounting plate. A fastening mechanism is arranged on the upper surface of the supporting frame and comprises a mechanical arm arranged on the upper surface of the fixed base. According to the fastening device for the key bolt of the engine, through cooperative work of the mechanical arm and the driving motor, automatic fastening of the bolt is achieved, the torque sensor monitors torque force in real time, the bolt fastening precision is ensured, when the torque force exceeds a set threshold value, a system automatically stops fastening, damage caused by excessive fastening of the bolt is avoided, operation is conducted through a control panel, and the operation efficiency is improved. The operation process is simplified, efficient, accurate and safe bolt fastening operation can be achieved, and the fastening efficiency and the product quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt fastening device technical field, concretely is a kind of engine key bolt fastening device. BACKGROUND

[0002] Engine is very widely used, some high-strength bolts on engine, such as connecting rod bolt, crankshaft bolt, main bearing cover bolt and cylinder head bolt etc., they bear periodic temperature change, alternating load change etc., whether key bolt connection meets design requirement, it has great influence on the operation reliability, safety and life of entire engine equipment, plays a vital role, through bolt fastening device can be fastened to engine key screw.

[0003] For example, China patent CN205835202U discloses a kind of engine key bolt fastening device, belongs to fastening device technical field, including driving shaft, the baffle of being penetrated on driving shaft, the dial of being penetrated on driving shaft and being fixed in baffle, pointer is set on driving shaft and is cooperated with dial, sleeve wrench is rotatably matched with the power output end of driving shaft, baffle, dial are matched with the gap of driving shaft, baffle is clamped with driving shaft by snap spring;Baffle bottom is equipped with serpentine arm, serpentine arm's end is equipped with suction accessory, serpentine arm is flexible rod, flexible rod upper portion is equipped with locking handle;Baffle is connected with dial by setting in the recess of dial bottom strong magnet, utility model improves the anti-loosening performance, durability and fatigue strength of threaded connection pair, and is not influenced by bolt surface and the roughness of part, lubrication condition, tightening speed and environmental temperature etc. Factor, simple structure, convenient operation, easy to carry, long service life.

[0004] Although the above-mentioned patent improves the anti-loosening performance, durability and fatigue strength of threaded connection pair, and is not influenced by bolt surface and the roughness of part, lubrication condition, tightening speed and environmental temperature etc. Factor, simple structure, convenient operation, easy to carry, long service life, but the sleeve wrench of the patent needs to be manually sleeved on the outside of engine key bolt, and is fastened, the efficiency of fastening is general, in turn reduces practicality. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides a kind of engine key bolt fastening device, with the advantages such as improving the efficiency of fastening, solve the problem that sleeve wrench needs to be manually sleeved on the outside of engine key bolt, and is fastened, the efficiency of fastening is general, in turn reduces practicality.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a key bolt fastening device of engine, including fixed base and circular frame, the right side of fixed base upper surface is provided with support frame, the front of support frame is provided with mounting plate, the front of mounting plate is provided with control panel, the upper surface of support frame is equipped with fastening mechanism,

[0007] The fastening mechanism includes a mechanical arm provided on the upper surface of the fixed base, the circular frame is fixed on one side of the mechanical arm, a drive motor is arranged on the right side wall of the inner cavity of the circular frame, a support plate is arranged in the circular frame, a rotating rod is rotatably connected to the inside of the support plate through a bearing, the right side of the rotating rod is fixedly connected to the outside of the output shaft of the drive motor, and a fixed disc is fixed to the left side of the rotating rod.

[0008] The fastening mechanism further includes a spring assembly arranged on the left side of the fixed disc, a rotating shaft is fixed to the left side of the spring assembly, a torque sensor is arranged on the left side of the rotating shaft, a connecting rod is arranged on the left side of the torque sensor, and a sleeve wrench is fixed to the left side of the connecting rod.

[0009] Further, the spring assembly includes two connecting plates, and the opposite sides of the left and right connecting plates are fixedly connected with spring telescopic rods.

[0010] Further, the spring telescopic rod includes a first sliding rod, a second sliding rod is slidably connected to the inside of the first sliding rod, a spring is movably sleeved on the outside of the first sliding rod, the right side of the spring and the right side of the first sliding rod are fixedly connected to the left side of the right connecting plate, and the left side of the spring and the left side of the second sliding rod are fixedly connected to the right side of the left connecting plate.

[0011] Further, the front and back of the circular frame are provided with heat dissipation openings, and the inside of the heat dissipation openings is provided with protective nets.

[0012] Further, the control panel is electrically connected to the drive motor and the mechanical arm through wires.

[0013] Further, the rotating rod is located on the transverse central axis of the support plate.

[0014] Further, the protective nets on the front and back are stainless steel nets.

[0015] Further, mounting holes are formed in the four corners of the upper surface of the fixed base.

[0016] Compared with the prior art, the technical scheme of the application has the following beneficial effects:

[0017] The engine key bolt fastening device realizes automatic fastening of the bolt through the cooperation of the mechanical arm and the driving motor, the torque sensor monitors the torque in real time, ensures the precision of bolt fastening, the system automatically stops fastening when the torque exceeds the set threshold, avoids damage caused by excessive fastening of the bolt, and the operation is performed through the control panel, simplifies the operation process, can realize efficient, accurate and safe bolt fastening operation, and improves the fastening efficiency and product quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a schematic view of the fastening mechanism of the utility model;

[0020] Figure 3 It is a schematic view of the three-dimensional structure of the circular frame body of the utility model.

[0021] In the figure: 1 fixed base, 2 circular frame body, 3 support frame, 4 mounting plate, 5 control panel, 6 fastening mechanism, 601 mechanical arm, 602 driving motor, 603 support plate, 604 rotating rod, 605 fixed disc, 606 spring assembly, 607 rotating shaft, 608 torque sensor, 609 connecting rod, 610 sleeve wrench. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figure 1 The engine key bolt fastening device in the embodiment comprises a fixed base 1 and a circular frame body 2, a support frame 3 is arranged on the right side of the upper surface of the fixed base 1, a mounting plate 4 is arranged on the front of the support frame 3, a control panel 5 is arranged on the front of the mounting plate 4, and a fastening mechanism 6 is arranged on the upper surface of the support frame 3, which improves the efficiency of fastening.

[0024] In the embodiment, mounting holes are arranged at the four corners of the upper surface of the fixed base 1.

[0025] Please refer to Figures 2 to 3, in order to improve the efficiency of fastening, the fastening mechanism 6 in the embodiment, the mechanical arm 601 is arranged on the upper surface of the fixed base 1, the circular frame 2 is fixed on one side of the mechanical arm 601, the right side wall of the inner cavity of the circular frame 2 is provided with a driving motor 602, the inside of the circular frame 2 is provided with a supporting plate 603, the inside of the supporting plate 603 is rotatably connected with a rotating rod 604 through a bearing, the right side of the rotating rod 604 is fixedly connected with the outside of the output shaft of the driving motor 602, and the left side of the rotating rod 604 is fixedly connected with a fixed disc 605.

[0026] In the embodiment, the fastening mechanism 6 further comprises a spring assembly 606 arranged on the left side of the fixed disc 605, a rotating shaft 607 is fixed on the left side of the spring assembly 606, a torque sensor 608 is arranged on the left side of the rotating shaft 607, a connecting rod 609 is arranged on the left side of the torque sensor 608, and a sleeve wrench 610 is fixed on the left side of the connecting rod 609. The spring assembly 606 comprises two connecting plates, the opposite sides of the left and right connecting plates are fixedly connected with spring telescopic rods, the spring telescopic rods comprise a first sliding rod, the inside of the first sliding rod is slidably connected with a second sliding rod, a spring is movably sleeved on the outside of the first sliding rod, the right side of the spring and the right side of the first sliding rod are fixedly connected with the left side of the right connecting plate, and the left side of the spring and the left side of the second sliding rod are fixedly connected with the right side of the left connecting plate. The inside of the torque sensor 608 is integrated with a wireless module, signals are sent through the wireless module, the inside of the control panel 5 is integrated with a wireless receiving module, the control panel 5 receives signals, and the inside of the control panel 5 is integrated with a controller.

[0027] In the embodiment, the control panel 5 is started, the mechanical arm 601 moves the sleeve wrench 610 to the key bolt of the engine and sleeves the key bolt on the outside, the sleeve wrench 610 cooperates with the gap of the key bolt, then the driving motor 602 is started through the operation of the control panel 5, the driving motor 602 drives the rotating rod 604, the fixed disc 605, the spring assembly 606, the rotating shaft 607, the torque sensor 608, the connecting rod 609 and the sleeve wrench 610 to rotate on the same axis, and the key bolt on the engine can be fastened.

[0028] In the embodiment, the front and back of the circular frame 2 are provided with heat dissipation openings, the inside of the front and back heat dissipation openings is provided with a protective net, the control panel 5 is electrically connected with the driving motor 602 and the mechanical arm 601 through wires, the rotating rod 604 is located on the transverse central axis of the supporting plate 603, and the front and back protective nets are stainless steel nets.

[0029] It should be noted that the torque of the key bolt is sensed by the torque sensor 608, when the torque of the bolt is greater than the threshold value set by the torque sensor 608, the torque sensor 608 senses and sends a signal to the control panel 5 through the wireless module, then the control panel 5 drives the motor 602 to be closed, ensuring the accuracy of the bolt fastening.

[0030] The working principle of the above embodiment is:

[0031] The control panel 5 device is started, the mechanical arm 601 moves the socket wrench 610 to the key bolt of the engine, and is sleeved outside the key bolt, then the control panel 5 is operated to start the driving motor 602, the driving motor 602 drives the rotating rod 604, the fixed disc 605, the spring assembly 606, the rotating shaft 607, the torque sensor 608, the connecting rod 609 and the socket wrench 610 to rotate coaxially, the key bolt of the engine can be fastened, the torque of the key bolt is sensed by the torque sensor 608, when the torque of the bolt is greater than the threshold value set by the torque sensor 608, the torque sensor 608 senses and sends a signal to the control panel 5 through the wireless module, then the control panel 5 drives the motor 602 to be closed, ensuring the accuracy of the bolt fastening.

[0032] It should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application.

Claims

1. A fastening device for a critical bolt of an engine, comprising a fixed base (1) and a circular frame (2), characterized in that: The right side of the upper surface of the fixed base (1) is provided with a support frame (3), the front surface of the support frame (3) is provided with a mounting plate (4), the front surface of the mounting plate (4) is provided with a control panel (5), and the upper surface of the support frame (3) is provided with a fastening mechanism (6); The fastening mechanism (6) comprises a mechanical arm (601) arranged on the upper surface of the fixed base (1), a circular frame (2) is fixed on one side of the mechanical arm (601), a drive motor (602) is arranged on the right side wall of the inner cavity of the circular frame (2), a support plate (603) is arranged in the circular frame (2), the inside of the support plate (603) is rotatably connected with a rotating rod (604) through a bearing, the right side of the rotating rod (604) is fixedly connected with the outside of the output shaft of the drive motor (602), and the left side of the rotating rod (604) is fixedly connected with a fixed disc (605). The fastening mechanism (6) further comprises a spring assembly (606) arranged on the left side of the fixed disc (605), a rotating shaft (607) is fixedly connected to the left side of the spring assembly (606), a torque sensor (608) is arranged on the left side of the rotating shaft (607), a connecting rod (609) is arranged on the left side of the torque sensor (608), and a sleeve wrench (610) is fixedly connected to the left side of the connecting rod (609).

2. An engine key bolt fastening device according to claim 1, characterised in that: The spring assembly (606) comprises two connecting plates, and the opposite sides of the left and right connecting plates are fixedly connected with spring telescopic rods.

3. A device for fastening a key bolt of an engine according to claim 1, characterized in that: The front surface and the back surface of the circular frame (2) are both provided with heat dissipation openings, and the inside of the heat dissipation openings is provided with protective nets.

4. A fastening device for a critical bolt of an engine according to claim 1, characterized in that: The control panel (5) is electrically connected with the drive motor (602) and the mechanical arm (601) through wires.

5. A fastening device for a critical bolt of an engine according to claim 1, characterized in that: The rotating rod (604) is located on the transverse central axis of the support plate (603).

6. An engine key bolt fastening device as claimed in claim 3, wherein: The front and rear protective nets are both stainless steel nets.

7. An engine key bolt fastening device as claimed in claim 1, wherein: The upper surface of the fixed base (1) is provided with mounting holes at the four corners.

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