Rocker arm type hydraulic torsion machine

Abstract

The utility model relates to a rocker arm type hydraulic torsion machine which comprises a lathe bed, a hydraulic oil cylinder, a hydraulic motor, a ball screw, a reversing valve, an external spline transmission main shaft, a cross beam, a stand column and a transverse sliding plate, and the hydraulic oil cylinder, the hydraulic motor, the ball screw, the reversing valve, the external spline transmission main shaft, the cross beam, the stand column and the transverse sliding plate are arranged on the lathe bed. The hydraulic motor is connected with the external spline transmission main shaft and configured to drive the external spline transmission main shaft to rotate, the ball screw is arranged on the stand column and connected with the cross beam, the reversing valve is connected with the hydraulic motor and configured to control forward rotation and reverse rotation of the hydraulic motor, and the transverse sliding plate is connected with the hydraulic motor and configured to rotate through the stand column. Various bolts and nuts are quickly disassembled and fastened by combining the hydraulic oil cylinder, the hydraulic motor, the lathe bed and the external spline transmission main shaft, and tapping and drilling can be carried out at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic torque machines, in particular to a rocker arm type hydraulic torque machine. Background Art

[0002] At present, the main form of hydraulic torque wrench is to provide thrust by hydraulic cylinder to drive the wrench to rotate. The hydraulic cylinder generates thrust through the high-pressure oil generated by the hydraulic pump. Its disadvantage is that it cannot be used with high-strength and high-torque bolts, and has certain requirements for the working environment. It cannot be directly tightened and removed in narrow deep holes. Due to the requirements of the reaction arm, various tooling parts need to be made to work normally, which reduces work efficiency and has a low safety factor. There are great limitations on the working environment, the failure rate of internal components is high, and it is not easy to repair, which indirectly leads to an increase in costs. Utility Model Content

[0003] The purpose of the present invention is to solve at least one of the above-mentioned technical problems to a certain extent.

[0004] To this end, the utility model proposes a rocker-arm hydraulic torque machine, the main purpose of which is to combine a hydraulic cylinder, a hydraulic motor, a bed and an external spline transmission spindle to quickly disassemble and tighten various bolts and nuts, and can also perform tapping and drilling.

[0005] Specifically, the rocker-type hydraulic torque machine of the utility model has four axes, which are horizontal movement, that is, the hydraulic cylinder, hydraulic motor, reversing valve, and external spline transmission main shaft move left and right on the crossbeam through the horizontal slide. Longitudinal movement means that the crossbeam moves up and down through the ball screw connected to the column, the crossbeam rotates in a circle through the column, and the hydraulic motor is connected to the external spline transmission main shaft to rotate, which can achieve large stroke and large area work. When removing rusty bolts and tightening high-strength bolts, the hydraulic motor provides low-speed and high-torque rotation to achieve removal and tightening.

[0006] The rocker arm hydraulic torque machine provided by the utility model is suitable for large bolts that can be disassembled, tightened in harsh environments and with various high strengths, thus reflecting the characteristics of large torque. The hydraulic motor of the rocker arm hydraulic torque machine can adjust the speed through a hydraulic valve, and can be tightened and loosened at low speed and with large torque, and assembled and disassembled at high speed and with small torque, thus reflecting the characteristics of high efficiency. At the same time, it can also operate in deep space, dense countersunk bolts and other spaces where no reaction arm fulcrum can be provided, thus reflecting the low requirements for the working environment.

[0007] In addition, the rocker-arm hydraulic torque machine provided by the utility model has a bed rocker arm connected to a hydraulic motor. The hydraulic motor can rotate according to the rotation center of the bed, and can also move laterally (left and right) on the rocker arm through gear racks. The rocker arm can also move up and down on the bed rotation axis through a ball screw. It integrates the above functions in one machine and can also realize tapping and drilling.

[0008] In addition, the rocker-arm hydraulic torque machine provided by the utility model rotates through the rocker-arm bed, connects the external spline transmission main shaft through the hydraulic motor to achieve high torque, stable and efficient driving, moves up and down with a large stroke through the ball screw, and controls the up and down with a small stroke through the hydraulic cylinder.

[0009] In order to achieve the above-mentioned purpose, the present invention provides a rocker-arm hydraulic torque machine, which includes:

[0010] Bed; and

[0011] A hydraulic cylinder, a hydraulic motor, a ball screw, a reversing valve, an external spline transmission spindle, a crossbeam, a column and a transverse slide plate are arranged on the bed;

[0012] Among them, the hydraulic cylinder is connected to the external spline transmission spindle and is configured to control the up and down small stroke movement of the external spline transmission spindle; the hydraulic motor is connected to the external spline transmission spindle and is configured to drive the external spline transmission spindle to rotate; the ball screw is arranged on the column and connected to the crossbeam; the reversing valve is connected to the hydraulic motor and is configured to control the forward and reverse rotation of the hydraulic motor; the transverse slide is connected to the hydraulic motor and is configured to rotate through the column.

[0013] According to an embodiment of the utility model, the hydraulic cylinder is connected to the external spline transmission main shaft through a tapered roller bearing.

[0014] According to an embodiment of the utility model, the external spline transmission main shaft is connected to the hydraulic motor via a spline.

[0015] According to an embodiment of the utility model, the external spline transmission main shaft and the hydraulic motor are both arranged on the transverse slide plate.

[0016] According to an embodiment of the utility model, the head of the external spline transmission main shaft is connected by a square head.

[0017] According to an embodiment of the utility model, the reversing valve is arranged on the transverse slide.

[0018] According to an embodiment of the utility model, the ball screw is externally connected to a motor configured to control the up and down movement of the beam.

[0019] According to an embodiment of the present invention, the crossbeam is rotated through the column.

[0020] According to an embodiment of the utility model, the crossbeam moves up and down with a large stroke on the column through the ball screw.

[0021] According to an embodiment of the utility model, the transverse slide plate can be moved transversely on the crossbeam via a gear rack.

[0022] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention.

[0023] Compared with the prior art, the beneficial effects of the embodiments of the present application are:

[0024] The utility model provides a rocker-arm hydraulic torque machine, which can quickly disassemble and tighten various bolts and nuts by combining a hydraulic oil cylinder, a hydraulic motor, a bed and an external spline transmission main shaft, and can also perform tapping and drilling.

[0025] The utility model provides a rocker-type hydraulic torque machine, which has four axes, namely, horizontal movement, that is, the hydraulic cylinder, hydraulic motor, reversing valve, and external spline transmission main shaft move left and right on the crossbeam through the horizontal slide. Longitudinal movement, that is, the crossbeam moves up and down through the ball screw connected to the column, the crossbeam rotates in a circle through the column, and the hydraulic motor is connected to the external spline transmission main shaft to rotate, which can achieve large stroke and large area work. When removing rusty bolts and tightening high-strength bolts, the hydraulic motor provides low-speed and high-torque rotation to achieve removal and tightening.

[0026] The utility model provides a rocker-arm hydraulic torque machine, which is suitable for large bolts that can be disassembled, tightened in harsh environments and with various high strengths, thus reflecting the characteristics of large torque. The hydraulic motor of the rocker-arm hydraulic torque machine can adjust the speed through a hydraulic valve, and can be tightened and loosened at low speed and with large torque, and assembled and disassembled at high speed and with small torque, thus reflecting the characteristics of high efficiency. At the same time, it can also operate in deep space, dense countersunk bolts and other spaces where no reaction arm fulcrum can be provided, thus reflecting the low requirements for the working environment.

[0027] The utility model provides a rocker-arm type hydraulic torque machine, in which a bed rocker arm is connected to a hydraulic motor, the hydraulic motor can rotate according to the rotation center of the bed, and can also move laterally (left and right) on the rocker arm through a gear rack, and the rocker arm can also move up and down on the bed rotation axis through a ball screw, integrating the above functions in one machine, and can also realize tapping and drilling.

[0028] The utility model provides a rocker type hydraulic torque machine, which is rotated by a rocker type bed, connected to an external spline transmission main shaft by a hydraulic motor for high torque, stable and efficient driving, moved up and down by a ball screw for large stroke, and controlled by a hydraulic cylinder for small stroke.

[0029] The utility model provides a rocker-arm hydraulic torque machine. The head of an external spline transmission main shaft adopts a square head connection, and various sockets and wrenches can be replaced through the connection mode of the square head.

[0030] The utility model provides a rocker-arm hydraulic torque machine, the whole set of work can be divided into four axes, namely horizontal (left and right), vertical (up and down), beam rotation, and main shaft rotation, so as to achieve large-area, large-stroke, high-efficiency and stable operation.

[0031] In order to more clearly understand the technical means of the utility model, which can be implemented according to the contents of the specification, and to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. Other features and advantages of the utility model will be explained in the subsequent description, and part of them will become obvious from the description, or be reflected by implementing the utility model. The purposes and other advantages of the utility model can be achieved and obtained by the structures specifically pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solution in the utility model, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 A schematic diagram of the overall structure of a rocker-type hydraulic torque machine provided by an embodiment of the utility model;

[0034] Reference numerals:

[0035] 1-Hydraulic cylinder; 2-Hydraulic motor; 3-Ball screw; 4-Reversing valve; 5-External spline transmission spindle; 6-Crossbeam; 7-Column; 8-Bed; 9-Horizontal slide. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0037] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0038] At present, the main form of hydraulic torque wrench is that the hydraulic cylinder 1 provides thrust to drive the wrench to rotate. The hydraulic cylinder 1 generates thrust through the high-pressure oil generated by the hydraulic pump. Its disadvantages are small torque, slow speed, low efficiency, and the need to provide a reliable reaction arm fulcrum, and low safety factor. When it comes to equipment with dense holes and countersunk bolts, it cannot be used when the space is limited and the reaction arm fulcrum cannot be provided. When removing severely corroded workpieces, it is impossible to achieve high torque removal.

[0039] In order to solve or improve the above problems, the utility model provides a rocker-arm hydraulic torque machine, the main purpose of which is to combine the hydraulic cylinder 1, the hydraulic motor 2, the bed 8 and the external spline transmission spindle 5 to quickly disassemble and tighten various bolts and nuts, and can also perform tapping and drilling.

[0040] Specifically, the rocker-type hydraulic torque machine provided by the utility model has four axes, which are lateral movement, namely, the hydraulic cylinder 1, the hydraulic motor 2, the reversing valve 4, and the external spline transmission main shaft 5 move left and right on the crossbeam 6 through the lateral slide 9. Longitudinal movement, namely, the crossbeam 6 moves up and down through the ball screw 3 connected to the column 7, the crossbeam 6 rotates in a circle through the column 7, and the hydraulic motor 2 is connected to the external spline transmission main shaft 5 to rotate, which can achieve a large stroke and a large area of ​​work. When removing rusty bolts and tightening high-strength bolts, the hydraulic motor 2 provides low-speed and high-torque rotation to achieve removal and tightening.

[0041] Please refer to Figure 1 , this embodiment provides a rocker arm type hydraulic torque machine, which includes:

[0042] bed 8; and

[0043] A hydraulic cylinder 1, a hydraulic motor 2, a ball screw 3, a reversing valve 4, an external spline transmission spindle 5, a crossbeam 6, a column 7 and a transverse slide 9 are arranged on the bed 8;

[0044] Among them, the hydraulic cylinder 1 is connected to the external spline transmission main shaft 5, and is configured to control the small up and down stroke movement of the external spline transmission main shaft 5; the hydraulic motor 2 is connected to the external spline transmission main shaft 5, and is configured to drive the external spline transmission main shaft 5 to rotate, which can achieve large stroke and large area work. When removing rusty bolts and tightening high-strength bolts, the hydraulic motor 2 provides low-speed and high-torque rotation to achieve removal and tightening; the ball screw 3 is set on the column 7 and connected to the crossbeam 6; the reversing valve 4 is connected to the hydraulic motor 2, and is configured to control the forward and reverse rotation of the hydraulic motor 2; the transverse slide 9 is connected to the hydraulic motor 2, and is configured to rotate through the column 7.

[0045] The utility model provides a rocker-arm hydraulic torque machine, which is suitable for large bolts that can be disassembled, have a bad tightening environment and various high-strength bolts, thus reflecting the characteristics of large torque. The hydraulic motor 2 of the rocker-arm hydraulic torque machine can adjust the speed through the hydraulic valve, and can be tightened and loosened at low speed and with high torque, and assembled and disassembled at high speed and with low torque, thus reflecting the characteristics of high efficiency. At the same time, it can also operate in deep space, dense countersunk bolts and other spaces where no reaction arm fulcrum can be provided, thus reflecting the low requirements for the working environment.

[0046] At the same time, the rocker-arm hydraulic torque machine provided by the utility model has a bed rocker arm connected to the hydraulic motor 2. The hydraulic motor 2 can rotate according to the rotation center of the bed 8, and can also move laterally (left and right) on the rocker arm through gear racks. The rocker arm can also move up and down on the rotation axis of the bed 8 through the ball screw 3. It integrates the above functions in one, and can also realize tapping and drilling.

[0047] In addition, the rocker-type hydraulic torque machine provided by the utility model rotates through the rocker-type bed 8, connects the external spline transmission main shaft 5 through the hydraulic motor 2 to achieve high torque, stable and efficient driving, moves up and down with a large stroke through the ball screw 3, and controls the up and down small stroke movement through the hydraulic cylinder 2.

[0048] In one embodiment of the present utility model, the hydraulic cylinder 1 is connected to the external spline transmission main shaft 5 through a tapered roller bearing to achieve small stroke up and down movement.

[0049] In one embodiment of the present invention, the external spline transmission main shaft 5 is connected to the hydraulic motor 2 via a spline.

[0050] As an embodiment of the present utility model, the external spline transmission main shaft 5 and the hydraulic motor 2 are both arranged on the transverse slide plate 9 .

[0051] In one embodiment of the utility model, the head of the external spline transmission main shaft 5 is connected by a square head, and various sockets and wrenches can be replaced through the connection mode of the square head.

[0052] In an embodiment of the present utility model, the reversing valve 4 is arranged on the transverse slide 9 .

[0053] In one embodiment of the present invention, the ball screw 3 is externally connected to a motor and is configured to control the up and down movement of the crossbeam 6 .

[0054] In an embodiment of the present invention, the crossbeam 6 is rotated by the column 7 .

[0055] In one embodiment of the present invention, the crossbeam 6 moves up and down with a large stroke on the column 7 through the ball screw 3 .

[0056] In one embodiment of the present invention, the transverse slide plate 9 can be moved transversely on the crossbeam 6 via a gear rack.

[0057] The working principle of a rocker-type hydraulic torque machine provided by the utility model is that high-pressure oil is supplied through the hydraulic station, and thrust is applied to the external spline transmission main shaft 5 through the hydraulic oil cylinder 1 to realize small up and down stroke movement. The external spline transmission main shaft 5 is connected by the hydraulic motor 2 to provide rotation to realize high torque drive. The reversing valve 4 controls the forward and reverse rotation of the hydraulic motor 2. The head of the external spline transmission main shaft 5 adopts a square connection method, and various sockets and wrenches can be replaced to tighten and disassemble high-strength bolts.

[0058] The whole set of work of the rocker arm hydraulic torque machine provided by the utility model can be divided into four axes, namely, horizontal (left and right), vertical (up and down), beam rotation, and main shaft rotation, so as to realize stable operation with large area, large stroke and high efficiency.

[0059] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0060] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0061] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0062] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0063] Although the subject matter has been described in language specific to structural features and / or methodological logical actions, it should be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or actions described above. On the contrary, the specific features and actions described above are merely example forms of implementing the claims.

[0064] Finally, it should be noted that the above are only preferred embodiments of the utility model and are not intended to limit the utility model. For those skilled in the art, the utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the scope of the claims of the utility model to be approved.

Claims

1. A rocker arm hydraulic torque machine, characterized in that: The rocker arm hydraulic torque machine comprises: bed (8); and A hydraulic cylinder (1), a hydraulic motor (2), a ball screw (3), a reversing valve (4), an external spline transmission main shaft (5), a crossbeam (6), a column (7) and a transverse slide plate (9) are arranged on the bed (8); The hydraulic cylinder (1) is connected to the external spline transmission main shaft (5) and is configured to control the up and down small stroke movement of the external spline transmission main shaft (5); the hydraulic motor (2) is connected to the external spline transmission main shaft (5) and is configured to drive the external spline transmission main shaft (5) to rotate; the ball screw (3) is arranged on the column (7) and is connected to the crossbeam (6); the reversing valve (4) is connected to the hydraulic motor (2) and is configured to control the forward and reverse rotation of the hydraulic motor (2); the transverse slide (9) is connected to the hydraulic motor (2) and is configured to rotate through the column (7).

2. The rocker arm hydraulic torque machine according to claim 1, characterized in that: The hydraulic cylinder (1) is connected to the external spline transmission main shaft (5) via a tapered roller bearing.

3. The rocker arm hydraulic torque machine according to claim 2, characterized in that: The external spline transmission main shaft (5) is connected to the hydraulic motor (2) via a spline.

4. The rocker arm hydraulic torque machine according to claim 3, characterized in that: The external spline transmission main shaft (5) and the hydraulic motor (2) are both arranged on the transverse slide plate (9).

5. The rocker arm hydraulic torque machine according to claim 1, characterized in that: The head of the external spline transmission main shaft (5) is connected by a square head.

6. The rocker arm hydraulic torque machine according to claim 1, characterized in that: The reversing valve (4) is arranged on the transverse slide plate (9).

7. The rocker arm hydraulic torque machine according to claim 1, characterized in that: The ball screw (3) is externally connected to a motor and is configured to control the up and down movement of the crossbeam (6).

8. The rocker arm hydraulic torque machine according to claim 7, characterized in that: The crossbeam (6) is rotated via the upright column (7).

9. The rocker arm hydraulic torque machine according to claim 1, characterized in that: The crossbeam (6) moves up and down with a large stroke on the column (7) through the ball screw (3).

10. The rocker arm hydraulic torque machine according to claim 1, characterized in that: The transverse slide plate (9) can be moved transversely on the crossbeam (6) via a gear rack.

Images