CN110040649B - A jack device with torsion function - Google Patents

Abstract

The application provides a jack device with a torsion function, which comprises a jack body, a rotor and a base, wherein a piston cylinder is arranged in the middle of the jack body, a main oil cylinder is arranged at the edge of the jack body, an oil inlet cylinder and an oil outlet cylinder are arranged between the piston cylinder and the main oil cylinder, a loading ejector rod is arranged in the piston cylinder and is connected with an jacking piston, a first piston rod is arranged in the oil inlet cylinder, an oil inlet valve, a first channel and a second channel are arranged at the bottom of the jack body, the oil inlet valve is connected with the main oil cylinder, the first channel is connected with the piston cylinder and is provided with a first switch, the second channel is provided with a second switch, the second piston rod is arranged in the oil outlet cylinder, the bottom of the jack body is provided with an oil outlet valve, the third channel and the fourth channel are connected with the main oil cylinder, the third channel is connected with the piston cylinder and is provided with a third switch, the upper part of the rotor is provided with a disc, the lower part of the rotor is rotatably fixed on the base, the disc is internally provided with a rotating windmill, and the disc is connected with the jack body. The application has the beneficial effects that: has the functions of lifting and rotating, is simple and convenient to operate, and is convenient to carry and install.

Description

A jack device with torsion function

Technical field

The present invention relates to a jack, and in particular to a jack device with a twisting function.

Background technique

The jack device is a very important lifting equipment in engineering and is also a necessary component of general loading instruments. Because of its light structure, simple operation and portability, it is widely used in various fields, such as vehicle maintenance, heavy object handling, and engineering pile foundation static load testing. Therefore, it is essential in engineering.

There are many jack devices currently used in engineering. Common ones include mechanical jacks, hydraulic jacks and split hydraulic jacks. However, among various types of jack devices, their main function is to lift or support vertical heavy objects. In actual projects, it is often encountered that in addition to supporting vertical heavy objects, other operations may be required. For example, in a limited space, a jack should support heavy objects and may also have corresponding torsion functions; in addition, the loading and torsion functions must be considered during combined tension, compression and torsion tests on rocks or steel structures. In response to these situations, the common method is to separate torsion and vertical loading, which makes the work cumbersome and lacks a device that can solve vertical loading and torsion at the same time. Therefore, it is necessary to design a jack device with a torsion function for loading control for this type of loading method.

Contents of the invention

In view of this, embodiments of the present invention provide a jack device with a twisting function.

An embodiment of the present invention provides a jack device with a torsion function, which includes a cylindrical jack body, a rotor and a base. The jack body is provided with a piston cylinder in the middle and an annular main oil cylinder at the edge. The piston cylinder and the main body There is an oil inlet cylinder and an oil outlet cylinder between the oil cylinders. There is a loading ejector rod in the piston cylinder. The lower end of the loading ejector rod is connected to the lifting piston. There is a first piston rod in the oil inlet cylinder and an oil inlet rod at the bottom. Valve, first channel and second channel, the oil inlet valve is connected to the main oil cylinder, the first channel is connected to the piston cylinder and is provided with a first switch in the middle, and the second channel is provided with a second switch in the middle , the oil outlet cylinder is provided with a second piston rod, the bottom is provided with an oil outlet valve, a third channel and a fourth channel, the oil outlet valve is connected to the main oil cylinder, the third channel is connected to the piston cylinder and A third switch is provided in the middle, and a fourth switch is provided in the middle of the fourth channel. A disk is provided on the upper part of the rotor, and the lower part is rotatably fixed on the base. The windmill rotates in the disk. The upper end is connected to the jack body, so that the second channel and the fourth channel are connected to the opposite sides of the disc. The first channel is used to input hydraulic oil into the disc to drive the rotation. The windmill rotates the jack body in one direction, and the second channel is used to input hydraulic oil into the disc to drive the rotating windmill to rotate the jack body in the opposite direction.

Further, the rotating windmill includes a main shaft and a plurality of windmill blades, the main shaft is fixed in the middle of the disk, and all the windmill blades are evenly arranged around the main shaft.

Further, the upper end of the main shaft supports the lower part of the piston cylinder.

Further, a rotating platform is provided at the lower part of the rotor, a plurality of balls are provided on the surface of the rotating platform, a mounting groove is provided in the middle of the base, and the rotating platform is arranged in the mounting groove so that the rotor can be rotated and fixed. on the base.

Further, the first piston rod includes a first piston, a first connecting rod and a first pressure rod. The first piston is arranged in the oil inlet cylinder, and the upper end of the first piston is vertically connected to the first connecting rod. The lower end of the rod, the upper end of the first connecting rod is connected to the middle part of the first pressure rod, and one end of the first pressure rod is rotatably fixed to the upper end surface of the jack body, the second piston rod and the first piston The rod structure is the same.

Further, the oil inlet cylinder and the oil outlet cylinder are arranged symmetrically with respect to the piston cylinder.

Furthermore, the outer wall of the loading ejector rod is provided with two vertical grooves, and the upper part of the inner wall of the piston cylinder is provided with two vertical protrusions, and the two protrusions are respectively embedded in the two grooves.

The beneficial effects brought by the technical solutions provided by the embodiments of the present invention are: a jack device with a torsion function of the present invention, the oil inlet cylinder inputs hydraulic oil into the piston cylinder through the first channel to realize the lifting of the loading ejector rod, and the oil outlet cylinder passes through The third channel discharges the hydraulic oil in the piston cylinder to lower the loaded ejector pin. Due to the effect of the rotating windmill in the rotor, the second channel inputs hydraulic oil into the rotor to make the jack body rotate in one direction. The fourth channel inputs hydraulic oil into the rotor. The jack body rotates in the opposite direction and has both lifting and rotating functions. It is simple and convenient to operate, easy to carry and install, and can reduce workload.

Description of the drawings

Figure 1 is a cross-sectional view of a jack device with a torsion function according to the present invention;

Figure 2 is a top view of a jack device with a twisting function according to the present invention;

Figure 3 is a schematic diagram of the rotor 2 in Figure 1;

FIG. 4 is a top view of the rotor 2 in FIG. 1 .

In the picture: 1-jack body, 2-rotor, 3-base, 4-piston cylinder, 5-master cylinder, 6-inlet cylinder, 7-outlet cylinder, 8-loading ejector rod, 9-jacking piston, 10- The first piston, 11-the first connecting rod, 12-the first pressure rod, 13-the first support block, 14-the oil inlet valve, 15-the first channel, 16-the second channel, 17-the first switch, 18 -The second switch, 19-the second piston, 20-the second connecting rod, 21-the second pressure rod, 22-the second support block, 23-the oil outlet valve, 24-the third channel, 25-the fourth channel, 26-The third switch, 27-The fourth switch, 28-Ball, 29-Disc, 30-Rotating table, 31-Spindle, 32-Windmill blade.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

Please refer to Figures 1 and 2. An embodiment of the present invention provides a jack device with a torsion function, which includes a column jack body 1, a rotor 2 and a base 3.

The jack body 1 is provided with a cylindrical piston cylinder 4 in the middle. The piston cylinder 4 extends to the bottom of the jack body 1. An annular master cylinder 5 is disposed on the edge of the jack body 1. Hydraulic oil is stored in the master cylinder 5. , there is an oil inlet cylinder 6 and an oil outlet cylinder 7 between the piston cylinder 4 and the main oil cylinder 5 inside the jack body 1. In this embodiment, the oil inlet cylinder 6 and the oil outlet cylinder 7 are relative to the piston. Cylinder 4 is set up symmetrically.

The piston cylinder 4 is provided with a loading ejector rod 8. The outer wall of the loading ejector rod 8 is provided with two opposite vertical grooves. The upper inner wall of the piston cylinder 4 is provided with two vertical convex strips. The loading ejector rod 8 is provided with two vertical grooves. The lower end of 8 is connected to the lifting piston 9, and the two grooves on the upper end of the loading ejector rod 8 are respectively embedded by the two convex strips, so that the loading ejector rod 8 can move up and down stably.

A first piston rod is provided in the oil inlet cylinder 6. The first piston rod includes a first piston 10, a first connecting rod 11 and a first pressure rod 12. The first piston 10 is provided in the oil inlet cylinder 6. Inside, the upper end of the first piston 10 is vertically connected to the lower end of the first connecting rod 11, the upper end of the first connecting rod 11 is connected to the middle part of the first pressure rod 12, and one end of the first pressure rod 12 is rotationally connected to the first pressure rod 12. A support block 13. The first support block 13 is fixed on the upper end surface of the jack body 1. Rotating the first pressure rod 12 up and down around the first support block 13 can drive the first connecting rod 11 to rise and fall. Thereby, the first piston 10 is driven to move up and down. The bottom of the oil inlet cylinder 6 is provided with an oil inlet valve 14, a first channel 15 and a second channel 16. The oil inlet valve 14 is connected to the main oil cylinder 5, and the first channel 15 is connected to the piston cylinder 4 and the middle part thereof. A first switch 17 is provided, and a second switch 18 is provided in the middle of the second channel 16. The lower end of the second channel 16 extends out of the lower end surface of the jack body 1.

A second piston rod is provided in the oil outlet cylinder 7. The second piston rod has the same structure as the first piston rod. The second piston rod includes a second piston 19, a second connecting rod 20 and a second pressing force. Rod 21, the second piston 19 is arranged in the oil outlet cylinder 7, the upper end of the second piston 19 is vertically connected to the lower end of the second connecting rod 20, the upper end of the second connecting rod 20 is connected to the second pressure The middle part of the rod 21, and one end of the second pressure rod 21 is rotatably connected to the second support block 22. The second support block 22 is fixed on the upper end surface of the jack body 1 and rotates up and down around the second support block 22. The second pressure rod 21 can drive the second connecting rod 20 to move up and down, thereby driving the second piston 19 to move up and down. The bottom of the oil outlet cylinder 7 is provided with an oil outlet valve 23, a third channel 24 and a fourth channel 25. The oil outlet valve 23 is connected to the main oil cylinder 5, and the third channel 24 is connected to the piston cylinder 4 and the middle part thereof. A third switch 26 is provided, and a fourth switch 27 is provided in the middle of the fourth channel 25 . The lower end of the fourth channel 25 extends out of the lower end surface of the jack body 1 .

Please refer to Figures 3 and 4. The upper part of the rotor 2 is provided with a disc 29, and the lower part is provided with a rotating platform 30. The disc 29 is provided with a rotating windmill, and the rotating windmill includes a main shaft 31 and a plurality of windmill blades 32. , the main shaft 31 is fixed in the middle of the disk 29, all windmill blades 32 are evenly arranged around the main shaft 31, the upper end of the disk 29 is sealingly connected to the lower end of the jack body 1, and the second channel 16 and the The fourth channel 25 is connected to the opposite sides of the disc 29 respectively, and the upper end of the main shaft 31 supports the lower part of the piston cylinder 4 . A plurality of balls 28 are provided on the surface of the rotating platform 30 , and a mounting groove is provided in the middle of the base 3 . The rotating platform 30 is disposed in the mounting groove so that the rotor 2 can be rotated and fixed on the base 3 .

The specific usage methods of the above-mentioned jack device with torsion function are:

Lifting: open the oil inlet valve 14 and the first switch 17, close the second switch 18 and the third switch 26, and the hydraulic oil in the master cylinder 5 flows through the oil inlet cylinder in sequence 6 and the first channel 15 and then flows into the piston cylinder 4. When the first pressure rod 12 is pressed down, the pressure in the piston cylinder 4 increases, and the hydraulic oil acts on the lifting piston 9 to cause it to Move upward to drive the loading ejector 8 to rise to achieve the lifting effect;

Unloading: After lifting, open the third switch 26 and the oil outlet valve 23, and the hydraulic oil in the piston cylinder 4 flows to the third channel 24 and the oil inlet cylinder 7 in turn and then flows back to the main body. In the oil cylinder 5, the force of the hydraulic oil in the piston cylinder 4 on the lifting piston 9 disappears, and the loading ejector pin 8 descends to realize weight unloading;

Twist: open the oil inlet valve 14, the second switch 18, the oil outlet valve 23 and the fourth switch 27, close the first switch 17 and the third switch 26, press down the The first pressure rod 12, the hydraulic oil in the master cylinder 5 flows into the oil inlet cylinder 6, flows into the disc 29 through the second channel 16, continues to flow to the fourth channel 25, and finally flows into Returning to the main oil cylinder 5 to form a circulation, the hydraulic oil flows from the second channel 16 to the fourth channel 25 and impacts the rotating windmill, causing the rotor 2 and the jack body 1 to move along the Rotate in one direction; press down the second pressure rod 21, the hydraulic oil in the master cylinder 5 flows into the outlet cylinder 7, and flows into the disc 29 through the fourth channel 25, and continues to flow to The second channel 16 eventually flows back to the master cylinder 5 to form a cycle. When the hydraulic oil flows from the fourth channel 25 to the second channel 16, it impacts the rotating windmill, causing the rotor to 2 and the jack body 1 rotate together in another opposite direction.

In this article, the front, back, upper, lower and other locative words involved are defined based on the location of the components in the drawings and the positions of the components relative to each other, just for the sake of clarity and convenience in expressing the technical solution. It should be understood that the use of the locative words shall not limit the scope of protection claimed in this application.

The above-described embodiments and features in the embodiments herein may be combined with each other if there is no conflict.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (5)

1. A jack device with a torsion function, characterized in that it includes a cylindrical jack body, a rotor and a base. The jack body is provided with a piston cylinder in the middle, and an annular main oil cylinder is provided at the edge. The piston cylinder and the main body There is an oil inlet cylinder and an oil outlet cylinder between the oil cylinders. There is a loading ejector rod in the piston cylinder. The lower end of the loading ejector rod is connected to the lifting piston. There is a first piston rod in the oil inlet cylinder and an oil inlet rod at the bottom. Valve, first channel and second channel, the oil inlet valve is connected to the main oil cylinder, the first channel is connected to the piston cylinder and is provided with a first switch in the middle, and the second channel is provided with a second switch in the middle , the oil outlet cylinder is provided with a second piston rod, the bottom is provided with an oil outlet valve, a third channel and a fourth channel, the oil outlet valve is connected to the main oil cylinder, the third channel is connected to the piston cylinder and A third switch is provided in the middle, a fourth switch is provided in the middle of the fourth channel, a disk is provided on the upper part of the rotor, and the lower part is rotatably fixed on the base, and a rotating windmill is provided in the disk. The upper end of the disc is connected to the jack body, so that the second channel and the fourth channel are respectively connected to the opposite sides of the disc, and the first channel is used to input hydraulic oil into the disc to drive The rotating windmill causes the jack body to rotate in one direction, and the second channel is used to input hydraulic oil into the disc to drive the rotating windmill to cause the jack body to rotate in the opposite direction; The rotating windmill includes a main shaft and a plurality of windmill blades, the main shaft is fixed in the middle of the disk, and all the windmill blades are evenly arranged around the main shaft; The lower part of the rotor is provided with a rotating platform, the surface of the rotating platform is provided with a plurality of balls, and the middle part of the base is provided with a mounting groove. The rotating platform is arranged in the mounting groove so that the rotor can be rotated and fixed on the on the base. 2. A jack device with torsion function as claimed in claim 1, characterized in that the upper end of the main shaft supports the lower part of the piston cylinder. 3. A jack device with torsion function according to claim 1, characterized in that: the first piston rod includes a first piston, a first connecting rod and a first pressure rod, and the first piston is arranged on In the oil inlet cylinder, the upper end of the first piston is vertically connected to the lower end of the first connecting rod, the upper end of the first connecting rod is connected to the middle part of the first pressure rod, and one end of the first pressure rod is rotatably fixed to The upper end surface of the jack body and the second piston rod have the same structure as the first piston rod. 4. A jack device with torsion function according to claim 1, characterized in that the oil inlet cylinder and the oil outlet cylinder are arranged symmetrically with respect to the piston cylinder. 5. A jack device with a torsion function as claimed in claim 1, characterized in that: the outer wall of the loading ejector rod is provided with two vertical grooves, and the upper part of the inner wall of the piston cylinder is provided with two vertical convex strips. The two convex strips are respectively embedded in the two grooves.