Double-cylinder boosting arm structure

Abstract

The utility model provides a double-cylinder boosting arm structure, and belongs to the technical field of boosting arms. The double-cylinder boosting arm structure comprises a boosting assembly. The power assisting assembly comprises a fixing shaft, a connecting rod, a rotating block, a first power assisting rod, a second power assisting rod, air cylinders and a clamp, when the torque gun is used, the torque gun can be clamped and fixed through the clamp, the two air cylinders stretch and retract at the same time, and under the simultaneous action of the second power assisting rod and the first power assisting rod, the clamp inclines while rotating, so that the torque gun is fixed. The torque gun can be driven to move left and right in a reciprocating mode through repeated extension and contraction of the air cylinder, the connecting rod is rotationally connected with the fixing shaft, the rotating block is rotationally connected with the connecting rod, a worker can swing the torque gun front and back, and the double-cylinder power-assisted arm is simple in overall structure, high in flexibility and high in practicability. The device is very suitable for being matched with a torque gun to assist workers in fastening bolts and nuts.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of power-assisted arms, in particular to a double-cylinder power-assisted arm structure. BACKGROUND

[0002] A power-assisted arm is a mechanical arm that can provide assistance, and has the beneficial effects of reducing the burden on people, improving work efficiency, enhancing safety, and improving work accuracy. The application of power-assisted arms is very wide, and they can be used in the fields of cargo handling and machine manufacturing.

[0003] In the 3C electronics, automotive electronics manufacturing and precision manufacturing industries, it is inevitable to tighten bolts and nuts. The traditional tightening of bolts and nuts is usually completed by workers holding a torque gun. However, the torque gun has a certain weight, and the worker needs to overcome the counterforce when tightening the bolts and nuts. Therefore, a power-assisted arm can be used to assist the worker in tightening the bolts and nuts. The torque gun is fixed on the power-assisted arm, and the weight of the torque gun and the counterforce when the torque gun is tightened can be balanced by the power-assisted arm. However, the traditional power-assisted arm is usually designed for cargo handling or mechanical part handling, and has a complex overall structure and low overall flexibility, which is not suitable for assisting workers in tightening bolts and nuts with a torque gun. CONTENT OF THE UTILITY MODEL

[0004] In order to make up for the above shortcomings, the present application provides a double-cylinder power-assisted arm structure, which aims to improve the problem that the traditional power-assisted arm is not suitable for assisting workers in tightening bolts and nuts with a torque gun.

[0005] The present application provides a double-cylinder power-assisted arm structure, which includes a power-assisted component.

[0006] The power-assisted component includes a fixed shaft, a connecting rod, a rotating block, a first power-assisted rod, a second power-assisted rod, two cylinders and a clamp. The top end of the connecting rod is rotationally connected to the fixed shaft. The bottom end of the connecting rod is rotationally connected to the rotating block. The top end of the first power-assisted rod is rotationally connected to the rotating block. The top end of the second power-assisted rod is rotationally connected to the rotating block. The top ends of the two cylinders are rotationally connected to the rotating block. The telescopic ends of the two cylinders are rotationally connected to the second power-assisted rod. The clamp is rotationally connected to the bottom end of the first power-assisted rod and the bottom end of the second power-assisted rod.

[0007] In a specific embodiment, one end of the fixed shaft is provided with a fixed block, the fixed block is T-shaped, and a waist-shaped hole is formed on one side of the fixed block.

[0008] In a specific embodiment, four waist-shaped holes are formed, and the four waist-shaped holes are located at the four corners of one side of the fixed block.

[0009] In a specific embodiment, the shaft body of the fixed shaft is provided with a first connecting block, the lower surface of the first connecting block is rotationally connected with a rotating shaft, and the top end of the connecting rod is provided in the shaft body of the rotating shaft.

[0010] In a specific embodiment, the bottom end of the connecting rod is fixedly provided with a first connecting shaft, and the block body of the rotating block is rotationally provided in the shaft body of the first connecting shaft.

[0011] In a specific embodiment, the lower surface of the rotating block is provided with a first connecting groove, the block body of the rotating block is rotationally connected with a second connecting shaft, the second connecting shaft is provided with two, the two second connecting shafts are symmetrically provided, the two second connecting shafts are both rotationally penetrated into the inside of the first connecting groove, the top end of the first booster rod and the top end of the second booster rod are both rotationally provided in the shaft body of the second connecting shaft, and the top end of the first booster rod and the top end of the second booster rod are both rotationally provided in the inside of the first connecting groove.

[0012] In a specific embodiment, one side of the rotating block is provided with a connecting frame, the frame body of the connecting frame is rotationally connected with a third connecting shaft, the third connecting shaft is rotationally penetrated into the connecting frame, the top end of each of the two cylinders is rotationally sleeved in the shaft body of the third connecting shaft, and the two cylinders are symmetrically provided on the two sides of the connecting frame.

[0013] In a specific embodiment, the rod body of the second booster rod is rotationally connected with a fourth connecting shaft, the fourth connecting shaft is rotationally penetrated into the rod body of the second booster rod, the telescopic end of each of the two cylinders is fixedly provided with a rotating sleeve, the two rotating sleeves are both rotationally sleeved in the shaft body of the fourth connecting shaft, and the two cylinders are symmetrically provided on the two sides of the second booster rod.

[0014] In a specific embodiment, the clamp comprises a second connecting block, a first clamping block, a second clamping block and a bolt, the second connecting block is rotationally connected with the bottom end of the first booster rod, the second connecting block is rotationally connected with the bottom end of the second booster rod, the top of the first clamping block is provided with a protruding block, the protruding block is fixedly inserted into the inside of the second connecting block, the second clamping block is below the first clamping block, the bolt is provided with two, the two bolts are respectively rotationally penetrated into the two ends of the second clamping block, and the two bolts are respectively rotationally penetrated into the two ends of the first clamping block.

[0015] In a specific embodiment, the upper surface of the second connecting block is provided with a second connecting groove, the inside of the second connecting groove is rotationally connected to a fifth connecting shaft, the fifth connecting shaft is rotationally provided with two, the two fifth connecting shafts are symmetrically arranged, the bottom end of the first booster rod and the bottom end of the second booster rod are respectively rotationally sleeved on the shaft bodies of the two fifth connecting shafts, and the bottom end of the first booster rod and the bottom end of the second booster rod are both rotationally arranged in the inside of the second connecting groove.

[0016] The double-cylinder booster arm structure has the advantages that the fixed shaft is fixed on the work station of the fastening bolt nut, the torque gun can be clamped and fixed through the clamp, then the worker can operate the torque gun to perform the fastening operation of the bolt nut, the two cylinders are simultaneously elongated and contracted to drive the second booster rod to rotate, the clamp is also inclined while rotating under the simultaneous action of the second booster rod and the first booster rod, the torque gun is driven to move back and forth through the repeated elongation and contraction of the cylinders, the connecting rod is rotationally connected with the fixed shaft, the rotating block is rotationally connected with the connecting rod, the worker can swing the torque gun back and forth, the worker can be assisted to complete the fastening operation of the bolt nut, the double-cylinder booster arm has a relatively simple structure and high flexibility, and is very suitable for assisting the worker to perform the fastening operation of the bolt nut in cooperation with the torque gun. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0018] Figure 1 is a first perspective view of the double-cylinder booster arm structure provided by the embodiments of the present application;

[0019] Figure 2 is a second perspective view of the double-cylinder booster arm structure provided by the embodiments of the present application;

[0020] Figure 3 is a fixed shaft structure schematic view provided by the embodiments of the present application;

[0021] Figure 4 is a connecting rod structure schematic view provided by the embodiments of the present application;

[0022] Figure 5 is a clamp structure schematic view provided by the embodiments of the present application;

[0023] Figure 6Part cross-section structure diagram of the rotating block and the second connecting block provided by the embodiment of the present application.

[0024] In the figure: 100 - power assisting assembly; 110 - fixed shaft; 111 - fixed block; 1111 - waist-shaped hole; 112 - first connecting block; 113 - rotating shaft; 120 - connecting rod; 121 - first connecting shaft; 130 - rotating block; 131 - first connecting groove; 132 - second connecting shaft; 133 - connecting frame; 1331 - third connecting shaft; 140 - first power assisting rod; 150 - second power assisting rod; 151 - fourth connecting shaft; 160 - air cylinder; 161 - rotating sleeve; 170 - clamp; 171 - second connecting block; 1711 - second connecting groove; 1712 - fifth connecting shaft; 172 - first clamping block; 1721 - protruding block; 173 - second clamping block; 174 - bolt; 180 - pressure regulating valve. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings.

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0027] Please refer to Figure 1 The present application provides a double-cylinder power assisting arm structure, which comprises a power assisting assembly 100.

[0028] Please refer to Figures 1-6 The power assisting assembly 100 comprises a fixed shaft 110, a connecting rod 120, a rotating block 130, a first power assisting rod 140, a second power assisting rod 150, an air cylinder 160, and a clamp 170. One end of the fixed shaft 110 is provided with a fixed block 111, which is in T shape. One side of the fixed block 111 is provided with four waist-shaped holes 1111, which are located at four corners of the side of the fixed block 111. The fixed block 111 and the waist-shaped holes 1111 facilitate the installation and fixation of the fixed shaft 110. The side of the fixed block 111 away from the waist-shaped holes 1111 is provided with a pressure regulating valve 180.

[0029] In the application, the top end of the connecting rod 120 is rotationally connected with the fixed shaft 110, the shaft body of the fixed shaft 110 is fixedly sleeved with the first connecting block 112, the lower surface of the first connecting block 112 is rotationally connected with the rotating shaft 113, the top end of the connecting rod 120 is fixedly sleeved on the shaft body of the rotating shaft 113, the rotating block 130 is rotationally connected with the bottom end of the connecting rod 120, and the bottom end of the connecting rod 120 is fixedly provided with the first connecting shaft 121, and the block body of the rotating block 130 is rotationally sleeved on the shaft body of the first connecting shaft 121.

[0030] In the specific arrangement, the top end of the first booster rod 140 is rotationally connected with the rotating block 130, the top end of the second booster rod 150 is rotationally connected with the rotating block 130, the lower surface of the rotating block 130 is provided with the first connecting groove 131, the block body of the rotating block 130 is rotationally connected with the second connecting shaft 132, the second connecting shaft 132 is provided with two, the two second connecting shafts 132 are symmetrically arranged, the two second connecting shafts 132 are both rotationally connected with the rotating block 130, the two second connecting shafts 132 are both rotationally penetrated in the first connecting groove 131, the top end of the first booster rod 140 and the top end of the second booster rod 150 are respectively rotationally sleeved on the shaft bodies of the two second connecting shafts 132, and the top end of the first booster rod 140 and the top end of the second booster rod 150 are both rotated in the first connecting groove 131.

[0031] In the application, the two gas cylinders 160 are both in communication with the pressure regulating valve 180, the top ends of the two gas cylinders 160 are both rotationally connected with the rotating block 130, one side of the rotating block 130 is provided with the connecting frame 133, the frame body of the connecting frame 133 is rotationally connected with the third connecting shaft 1331, the third connecting shaft 1331 is rotationally penetrated in the connecting frame 133, the top ends of the two gas cylinders 160 are both rotationally sleeved on the shaft body of the third connecting shaft 1331, and the two gas cylinders 160 are symmetrically arranged on the two sides of the connecting frame 133.

[0032] In the embodiment, the telescopic ends of the two gas cylinders 160 are both rotationally connected with the second booster rod 150, the rod body of the second booster rod 150 is rotationally connected with the fourth connecting shaft 151, the fourth connecting shaft 151 is rotationally penetrated in the rod body of the second booster rod 150, the telescopic ends of the two gas cylinders 160 are both fixedly provided with the rotating sleeve 161, the two rotating sleeves 161 are both rotationally sleeved on the shaft body of the fourth connecting shaft 151, and the two gas cylinders 160 are symmetrically arranged on the two sides of the second booster rod 150.

[0033] Please refer to Figure 1 , 2, 5 and 6, the clamp 170 is rotatably connected with the bottom end of the first booster rod 140, the clamp 170 is rotatably connected with the bottom end of the second booster rod 150, the clamp 170 comprises a second connecting block 171, a first clamping block 172, a second clamping block 173 and a bolt 174, the second connecting block 171 is rotatably connected with the bottom end of the first booster rod 140, the second connecting block 171 is rotatably connected with the bottom end of the second booster rod 150, the upper surface of the second connecting block 171 is provided with a second connecting groove 1711, the inside of the second connecting groove 1711 is rotatably connected with a fifth connecting shaft 1712, the fifth connecting shaft 1712 is rotatably provided with two, the two fifth connecting shafts 1712 are symmetrically arranged, the bottom end of the first booster rod 140 and the bottom end of the second booster rod 150 are rotatably sleeved on the shaft bodies of the two fifth connecting shafts 1712, and the bottom end of the first booster rod 140 and the bottom end of the second booster rod 150 are rotatable in the inside of the second connecting groove 1711.

[0034] In the embodiment, the top of the first clamping block 172 is provided with a protruding block 1721, the protruding block 1721 is fixedly inserted into the inside of the second connecting block 171, the second clamping block 173 is located below the first clamping block 172, the second clamping block 173 and the first clamping block 172 are both arranged in a V shape, the bolt 174 is provided with two, the two bolts 174 are rotatably penetrated into the two ends of the second clamping block 173, and the two bolts 174 are rotatably penetrated into the two ends of the first clamping block 172.

[0035] Specifically, the working principle of the double-cylinder booster arm structure is as follows: in use, the fixed block 111 can be fixed on the work position of the fastening bolt nut, the torque gun can be placed between the first clamping block 172 and the second clamping block 173, then the two bolts 174 are rotated, the second clamping block 173 is driven by the bolts 174 to move towards the first clamping block 172, thereby clamping and fixing the torque gun, then the worker can operate the torque gun to perform the fastening operation of the bolt nut, the two cylinders 160 are simultaneously elongated and contracted, thereby driving the second booster rod 150 to rotate, the rotation of the second booster rod 150 drives the second connecting block 171 to rotate, due to the existence of the first booster rod 140 and the rotatable connection of the second connecting block 171 with the first booster rod 140 and the second booster rod 150, the second connecting block 171 is also tilted while rotating, thereby driving the torque gun clamped by the first clamping block 172 and the second clamping block 173 to rotate and tilt, thereby the torque gun can be moved left and right repeatedly through the repeated elongation and contraction of the cylinders 160, and the connecting rod 120 is rotatably connected with the rotating shaft 113, the rotating block 130 is rotatably connected with the first connecting shaft 121, so that the worker can swing the torque gun forward and backward, thereby assisting the worker to complete the fastening operation of the bolt nut, so that the overall structure of the double-cylinder booster arm is relatively simple and has high flexibility, and is very suitable for assisting the worker to perform the fastening operation of the bolt nut in cooperation with the torque gun.

[0036] The above merely provides an example of the present application, and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0037] The above merely provides an example of the present application, and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings. The above merely provides an example of the present application, and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

Claims

1. A double-cylinder assist arm structure characterized by comprising: Comprising The booster assembly (100) includes a fixed shaft (110), a connecting rod (120), a rotating block (130), a first booster rod (140), a second booster rod (150), a cylinder (160) and a clamp (170), the top end of the connecting rod (120) is rotatably connected with the fixed shaft (110), the bottom end of the connecting rod (120) is rotatably connected with the rotating block (130), the top end of the first booster rod (140) is rotatably connected with the rotating block (130), the top end of the second booster rod (150) is rotatably connected with the rotating block (130), the cylinder (160) is provided with two, the top end of the two cylinders (160) is rotatably connected with the rotating block (130), the telescopic end of the two cylinders (160) is rotatably connected with the second booster rod (150), the clamp (170) is rotatably connected with the bottom end of the first booster rod (140), and the clamp (170) is rotatably connected with the bottom end of the second booster rod (150).

2. A dual cylinder assist arm structure according to claim 1, characterized by One end of the fixed shaft (110) is provided with a fixed block (111), the fixed block (111) is provided with a T shape, and a waist-shaped hole (1111) is formed in one side of the fixed block (111).

3. A dual cylinder assist arm structure according to claim 2, characterized by The waist-shaped hole (1111) is provided with four, and the four waist-shaped holes (1111) are located at the four corners of one side of the fixed block (111).

4. The dual cylinder assist arm structure of claim 1, wherein The shaft body of the fixed shaft (110) is provided with a first connecting block (112), the lower surface of the first connecting block (112) is rotatably connected with a rotating shaft (113), and the top end of the connecting rod (120) is fixedly sleeved on the shaft body of the rotating shaft (113).

5. A dual cylinder assist arm structure according to claim 4, characterized by The bottom end of the connecting rod (120) is fixedly provided with a first connecting shaft (121), and the block body of the rotating block (130) is rotatably sleeved on the shaft body of the first connecting shaft (121).

6. The dual cylinder assist arm structure of claim 1, wherein The lower surface of the rotating block (130) is provided with a first connecting groove (131), the block body of the rotating block (130) is rotatably connected with a second connecting shaft (132), the second connecting shaft (132) is provided with two, the two second connecting shafts (132) are symmetrically arranged, the two second connecting shafts (132) are rotatably penetrated into the inside of the first connecting groove (131), the top end of the first booster rod (140) and the top end of the second booster rod (150) are rotatably sleeved on the shaft bodies of the two second connecting shafts (132), and the top end of the first booster rod (140) and the top end of the second booster rod (150) are rotatably arranged in the first connecting groove (131).

7. The dual cylinder assist arm structure of claim 1, wherein One side of the rotating block (130) is provided with a connecting frame (133), the frame body of the connecting frame (133) is rotationally connected with a third connecting shaft (1331), the third connecting shaft (1331) rotationally penetrates the connecting frame (133), the top ends of the two air cylinders (160) are rotationally sleeved on the shaft body of the third connecting shaft (1331), and the two air cylinders (160) are symmetrically arranged on the two sides of the connecting frame (133).

8. The dual cylinder assist arm structure of claim 1, wherein The rod body of the second booster rod (150) is rotationally connected with a fourth connecting shaft (151), the fourth connecting shaft (151) rotationally penetrates the rod body of the second booster rod (150), the telescopic ends of the two air cylinders (160) are fixedly provided with rotating sleeves (161), the two rotating sleeves (161) are rotationally sleeved on the shaft body of the fourth connecting shaft (151), and the two air cylinders (160) are symmetrically arranged on the two sides of the second booster rod (150).

9. The dual cylinder assist arm structure of claim 1, wherein The clamp (170) comprises a second connecting block (171), a first clamping block (172), a second clamping block (173) and a bolt (174), the second connecting block (171) is rotationally connected with the bottom end of the first booster rod (140), the second connecting block (171) is rotationally connected with the bottom end of the second booster rod (150), the top of the first clamping block (172) is provided with a protruding block (1721), the protruding block (1721) is fixedly inserted into the second connecting block (171), the second clamping block (173) is located below the first clamping block (172), the bolt (174) is provided with two, the two bolts (174) are respectively rotationally penetrated through the two ends of the second clamping block (173), and the two bolts (174) are respectively rotationally penetrated through the two ends of the first clamping block (172).

10. A dual cylinder assist arm structure according to claim 9, characterized by The upper surface of the second connecting block (171) is provided with a second connecting groove (1711), the inside of the second connecting groove (1711) is rotationally connected with a fifth connecting shaft (1712), the fifth connecting shaft (1712) is rotationally provided with two, the two fifth connecting shafts (1712) are symmetrically arranged, the bottom end of the first booster rod (140) and the bottom end of the second booster rod (150) are respectively rotationally sleeved on the shaft bodies of the two fifth connecting shafts (1712), and the bottom end of the first booster rod (140) and the bottom end of the second booster rod (150) are both rotationally arranged in the second connecting groove (1711).

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