CN209970088U - Suspension arm operation box hydraulic pressure adjusting device - Google Patents
Suspension arm operation box hydraulic pressure adjusting device Download PDFInfo
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- CN209970088U CN209970088U CN201920660481.7U CN201920660481U CN209970088U CN 209970088 U CN209970088 U CN 209970088U CN 201920660481 U CN201920660481 U CN 201920660481U CN 209970088 U CN209970088 U CN 209970088U
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- suspension arm
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Abstract
The utility model discloses a davit control box hydraulic pressure adjusting device, include: the hydraulic oil pipe comprises a hydraulic cylinder seat, a hydraulic cylinder, a first shaft pin, a second shaft pin, a hydraulic joint, a hydraulic oil pipe and an electromagnetic directional valve; the bottom surface of a hydraulic cylinder base is fixed on a suspension arm upright post through welding, the hydraulic cylinder base is coaxially connected with the bottom end of a hydraulic cylinder through a first shaft pin, the top end of the hydraulic cylinder is coaxially connected with the suspension arm through a second shaft pin, one end of a hydraulic oil pipe is connected with the hydraulic cylinder through a hydraulic joint, the other end of the hydraulic oil pipe is provided with an electromagnetic reversing valve, and the electromagnetic reversing valve is used for controlling the hydraulic oil pipe. The utility model discloses replace traditional counter weight formula davit structure, it is high to have degree of automation, and the security is high, and stability is high, and the installation of being convenient for is convenient for maintain, practices thrift advantages such as space.
Description
Technical Field
The utility model relates to a machine tool machining technical field, concretely relates to davit control box hydraulic pressure adjusting device.
Background
The boom type operation box is widely applied to large-scale machine tools, the traditional boom operation box adopts a lever balance principle, and the boom is balanced by using a balance weight. As shown in fig. 4, the weight G1 and the arm L1 at the end of the operation box are calculated by taking point O as a fulcrum, and a reasonable counterweight end arm L2 and a counterweight G2 are designed, so that the two ends are in a balanced state, i.e., G1L1 is equal to G2L 2. In actual use, the weight of the operation box end can be obtained only after the electric appliance is installed, so that the balance is adjusted by adjusting the weight of the balancing weight. When the suspension arm operation box is in a balanced state, the current height is always kept, the height of the operation box cannot be set according to personal requirements, and the larger the weight of the end of the operation box is, the longer the suspension arm is, the longer the corresponding suspension arm of the counterweight end is, and the heavier the counterweight block is, so that the more the space is occupied, and the greater the potential safety hazard is. The utility model discloses can realize that the control box height sets up wantonly in hydro-cylinder adjustment range to it is high to have degree of automation, and the security is high, and stability is high, the installation of being convenient for, is convenient for maintain, practices thrift space etc..
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art, the utility model provides a davit control box hydraulic pressure adjusting device.
In order to achieve the above object, the utility model discloses the scheme adopts following technical scheme: a hydraulic adjusting device of a suspension arm operation box comprises a suspension arm upright post, a suspension arm, a hydraulic cylinder seat, a hydraulic cylinder, a first shaft pin, a second shaft pin, a hydraulic joint, a hydraulic oil pipe and an electromagnetic directional valve; the suspension arm is arranged at the top of the suspension arm upright post through a rotating shaft, the hydraulic cylinder base is fixed on the suspension arm upright post through a welding process, and the hydraulic cylinder base is provided with a mounting hole; the hydraulic cylinder includes: an oil cylinder and a piston rod; the bottom end of the oil cylinder is provided with a rectangular boss, the boss is provided with a through mounting hole, the mounting hole at the bottom end of the oil cylinder is coaxially connected with the mounting hole of the hydraulic cylinder seat through the first shaft pin, and the first shaft pin is matched with the cotter pin, so that the bottom end of the oil cylinder is rotatably arranged on the suspension arm upright post; the oil cylinder is connected with the piston rod, the telescopic end of the piston rod is provided with a through mounting hole, the mounting hole of the telescopic end of the piston rod is coaxially connected with the mounting hole of the suspension arm through the second shaft pin, and the second shaft pin is matched with the split pin, so that the telescopic end of the piston rod is rotatably arranged on the suspension arm; one end of the hydraulic oil pipe is communicated with the hydraulic cylinder through a hydraulic joint, the electromagnetic directional valve is arranged on the hydraulic oil pipe and is used for controlling the oil inlet and outlet sequence of the hydraulic oil pipe.
Preferably, the hydraulic cylinder block includes: a base and side walls arranged at two ends of the base, the hydraulic cylinder seat
The groove structure is a concave groove structure, and the side walls at the two ends are provided with through mounting holes.
Preferably, the hydraulic oil pipe comprises a first oil pipe and a second oil pipe.
Preferably, the oil cylinder is provided with an upper oil inlet and a lower oil inlet, and the oil cylinder is communicated with the first oil pipe and the second oil pipe through a hydraulic joint.
Preferably, the electromagnetic directional valve is a normally closed type, the electromagnetic directional valve is controlled by an electromagnetic directional valve switch, and the electromagnetic directional valve switch is arranged on the operation box.
Preferably, the suspension arm is connected with the operation box through an explosion-proof hose, and the explosion-proof hose is a steel wire braided hose.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has: the utility model relates to a davit control box hydraulic pressure adjusting device utilizes the hydraulic pressure station drive pneumatic cylinder motion of lathe itself, and the piston rod passes through second axle round pin and davit coaxial coupling to drive the activity of davit, compared with prior art and both realized the balance of whole davit structure and can highly adjust the control box again, make the nature controlled of lathe more humanized, and this device has degree of automation height, and the security is high, and stability is high, the installation of being convenient for, be convenient for maintain, practice thrift advantages such as space.
Drawings
FIG. 1 is a schematic view of the structure of the hydraulic cylinder of the present invention;
FIG. 2 is a schematic view of the structure of the hydraulic cylinder base of the present invention;
FIG. 3 is a schematic structural diagram of the balance state of the boom operating box of the present invention;
FIG. 4 is a schematic view of the balancing principle of a conventional boom box;
FIG. 5 is a schematic diagram of the lifting state structure of the boom operating box of the present invention;
FIG. 6 is a schematic view of the structure of the boom operating box of the present invention in a pressed state;
in the figure: 1. a hydraulic cylinder base; 2. a hydraulic cylinder; 21. an oil cylinder; 22. a piston rod; 23. a lower oil inlet; 24. an upper oil inlet; 3. a first shaft pin; 4. a second shaft pin; 5. a hydraulic joint; 6. a hydraulic oil pipe; 61. a first oil pipe; 62. a second oil pipe; 7. an electromagnetic directional valve; 9. an operation box; 10. a suspension arm; 11. a boom upright post; 12. an explosion-proof hose; 13. and a balancing weight.
Detailed Description
The following describes preferred embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a boom operating box hydraulic pressure adjusting apparatus includes: the hydraulic control device comprises a hydraulic cylinder base 1, a hydraulic cylinder 2, a first shaft pin 3, a second shaft pin 4, a hydraulic joint 5, a hydraulic oil pipe 6, an electromagnetic directional valve 7, a suspension arm upright post 11 and a suspension arm 10. The hydraulic cylinder base includes: the base and the lateral wall of configuration at base both ends, the hydraulic cylinder seat is concave groove structure, is equipped with the mounting hole that runs through on the lateral wall of both ends, and 1 base of hydraulic cylinder seat is fixed in the reasonable position of davit stand 11 through welding process, and 1 side of hydraulic cylinder seat is equipped with the mounting hole that runs through whole part. The hydraulic cylinder 2 includes: a cylinder 21 and a piston rod 22; the bottom end of the oil cylinder 21 is provided with a rectangular boss, the side face of the boss is provided with a through mounting hole, the mounting hole of the rectangular boss at the bottom end of the oil cylinder 21 is coaxially connected with the mounting hole of the hydraulic cylinder seat 1 through a first shaft pin 3, the first shaft pin 3 is matched with a split pin, the rectangular boss at the bottom end of the oil cylinder 21 is limited to be in a concave groove and can freely rotate around the first shaft pin 3, the oil cylinder 21 is connected with a piston rod 22, the telescopic end of the piston rod 22 is provided with the through mounting hole, the mounting hole of the telescopic end of the piston rod 22 is coaxially connected with the mounting hole of the suspension arm 10 through a second shaft pin 4, the second shaft pin 4 is matched with the split pin, and the telescopic end of the. An upper oil inlet 24 and a lower oil inlet 23 are arranged on an oil cylinder of the hydraulic cylinder 2, the upper oil inlet 24 and the lower oil inlet 23 are respectively connected with one ends of a first oil pipe 61 and a second oil pipe 62 through a hydraulic joint 5, and the other ends of the first oil pipe 61 and the second oil pipe 62 are connected with a hydraulic station through an electromagnetic directional valve 7. The oil inlet and outlet sequence of the first oil pipe 61 and the second oil pipe 62 is controlled by controlling the electromagnetic directional valve 7, and the movement of the piston rod 22 in the cylinder 21 is controlled, so that the boom 10 is driven to move. The electromagnetic directional valve switch is arranged on the operation box, the electromagnetic directional valve 7 is normally closed, the electromagnetic directional valve switch is connected with and controls the electromagnetic directional valve 7 through an electric wire, and an oil way is further controlled, so that the hydraulic cylinder 2 can freely stretch and retract, the suspension arm 10 is balanced, and the purpose of randomly adjusting the height of the operation box is achieved. The suspension arm 10 is connected with the operation box 9 through an explosion-proof hose, the explosion-proof hose 12 is a steel wire woven hose, and when the suspension arm 10 is lifted upwards or pressed downwards, the explosion-proof hose 12 ensures that the operation box 9 is always in a vertical downward state.
The utility model discloses a theory of operation is: the electromagnetic directional valve 7 is controlled by controlling the electromagnetic directional valve switch 8, so that the oil supply sequence of the hydraulic station to the first oil pipe 61 and the second oil pipe 62 is controlled, when the first oil pipe 61 is closed and the second oil pipe 62 is opened, hydraulic oil enters the oil cylinder 21 from the second oil pipe 62 to drive the piston rod 22 to move upwards along the oil cylinder 22, and the suspension arm 10 is driven to lift up to balance the suspension arm 10; when the second oil pipe 62 closes the first oil pipe 61 and opens, the hydraulic oil enters the cylinder 21 from the first oil pipe 61 to drive the piston rod 22 to move downwards along the cylinder, so as to drive the boom 10 to press downwards to balance the boom 10.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a davit control box hydraulic pressure adjusting device, includes davit stand and davit, the davit passes through the pivot configuration and is in davit stand top, its characterized in that still includes: the hydraulic oil pipe comprises a hydraulic cylinder seat, a hydraulic cylinder, a first shaft pin, a second shaft pin, a hydraulic joint, a hydraulic oil pipe and an electromagnetic directional valve; the hydraulic cylinder base is fixed on the suspension arm upright post through a welding process, and a mounting hole is formed in the hydraulic cylinder base; the hydraulic cylinder includes: an oil cylinder and a piston rod; the bottom end of the oil cylinder is provided with a rectangular boss, the boss is provided with a through mounting hole, the mounting hole at the bottom end of the oil cylinder is coaxially connected with the mounting hole of the hydraulic cylinder seat through the first shaft pin, and the first shaft pin is matched with the cotter pin, so that the bottom end of the oil cylinder is rotatably arranged on the suspension arm upright post; the oil cylinder is connected with the piston rod, the telescopic end of the piston rod is provided with a through mounting hole, the mounting hole of the telescopic end of the piston rod is coaxially connected with the mounting hole of the suspension arm through the second shaft pin, and the second shaft pin is matched with the split pin, so that the telescopic end of the piston rod is rotatably arranged on the suspension arm; one end of the hydraulic oil pipe is communicated with the hydraulic cylinder through a hydraulic joint, the electromagnetic directional valve is arranged on the hydraulic oil pipe and is used for controlling the oil inlet and outlet sequence of the hydraulic oil pipe.
2. A boom box hydraulic adjustment arrangement as claimed in claim 1, characterized in that said hydraulic cylinder block comprises: the hydraulic cylinder base is of a concave groove structure, and the side walls at the two ends of the base are provided with through mounting holes.
3. The boom box hydraulic adjustment device of claim 1, wherein the hydraulic line comprises a first line and a second line.
4. The hydraulic adjusting device for the boom operating box according to claim 3, wherein the oil cylinder is provided with an upper oil inlet and a lower oil inlet which are respectively communicated with the first oil pipe and the second oil pipe through hydraulic joints.
5. The hydraulic adjusting device for the suspension arm operating box according to claim 1, wherein the electromagnetic directional valve is normally closed and is controlled by an electromagnetic directional valve switch, and the electromagnetic directional valve switch is arranged on the operating box.
6. The hydraulic adjusting device for the boom operating box as claimed in claim 1, wherein the boom and the operating box are connected through an explosion-proof hose, and the explosion-proof hose is a steel wire braided hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660481.7U CN209970088U (en) | 2019-05-09 | 2019-05-09 | Suspension arm operation box hydraulic pressure adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660481.7U CN209970088U (en) | 2019-05-09 | 2019-05-09 | Suspension arm operation box hydraulic pressure adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209970088U true CN209970088U (en) | 2020-01-21 |
Family
ID=69261647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920660481.7U Active CN209970088U (en) | 2019-05-09 | 2019-05-09 | Suspension arm operation box hydraulic pressure adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209970088U (en) |
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2019
- 2019-05-09 CN CN201920660481.7U patent/CN209970088U/en active Active
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