CN212864051U - Turnover equipment - Google Patents
Turnover equipment Download PDFInfo
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- CN212864051U CN212864051U CN202021583233.6U CN202021583233U CN212864051U CN 212864051 U CN212864051 U CN 212864051U CN 202021583233 U CN202021583233 U CN 202021583233U CN 212864051 U CN212864051 U CN 212864051U
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- pipe orifice
- plunger cylinder
- valve
- arm
- balance valve
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Abstract
The utility model provides a tipping arrangement. The turnover device comprises a hydraulic oil tank, pressure oil, a first turnover arm and a second turnover arm, wherein an included angle is formed between the first turnover arm and the second turnover arm; the hydraulic balance valve also comprises a first plunger cylinder, a second plunger cylinder, a balance valve and an electromagnetic reversing valve; the first plunger cylinder is connected between the first overturning arm and the balance valve; the second plunger cylinder is connected between the second invert arm and the balancing valve; the balance valve is connected with a hydraulic oil tank and/or pressure oil through the electromagnetic directional valve; the first plunger cylinder and the second plunger cylinder realize reverse overturning and returning actions. Compared with the prior art, the utility model provides a tipping arrangement can reduce the required operating pressure of equipment hydraulic system normal work, optimizes equipment structure, reduces the energy consumption, reduces hydraulic shock, improve equipment's stationarity and reliability, and tipping arrangement can take the two-way upset of load, and is more nimble in the actual work.
Description
Technical Field
The utility model relates to a mechanical equipment technical field especially relates to a tipping arrangement.
Background
At present, the turnover equipment with a large load (more than 15T) in the market basically adopts a hydraulic oil cylinder left-position actuating mechanism to push a turnover arm of the turnover equipment to rotate around a fixed fulcrum. The product is placed on the turnover arm or the platform rigidly connected with the turnover arm, so that the purpose of turning the product by 90 degrees is achieved. The turnover oil cylinder adopts a double-acting oil cylinder, and the oil cylinder is driven by oil pressure to extend and retract so as to turn and return the turnover arm.
As shown in fig. 1, in the turning arm of the existing turning device returning to the initial position after turning 90 °, the distance L1 (i.e. the power arm) from the pivot of the turning arm to the axis of the cylinder is small, while the resistance torque to be overcome in the starting stage is the largest, and the pulling force provided by the cylinder is the largest, at this time, the force-bearing area of the cylinder is the annular area of the rod cavity, and in order to provide sufficient pulling force, the annular force-bearing area of the rod cavity needs to be increased, so that the turning cylinder is made larger, or the working pressure of the hydraulic system is adjusted to be higher, or a plurality of groups of cylinders are added to work together. Just so, the conventional overturning equipment can only overturn the load in one direction, and the flexibility is lacked.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tipping arrangement adopts the scheme of two single-action plunger cylinders, and the tipping arrangement can realize taking the two-way upset of load when reducing equipment hydraulic system's operating pressure (under the same load's of current scheme situation).
The technical scheme of the utility model is that: a turnover device comprises a hydraulic oil tank, pressure oil, a first turnover arm and a second turnover arm, wherein an included angle is formed between the first turnover arm and the second turnover arm; the hydraulic balance valve also comprises a first plunger cylinder, a second plunger cylinder, a balance valve and an electromagnetic reversing valve; the first plunger cylinder is connected between the first overturning arm and the balance valve; the second plunger cylinder is connected between the second invert arm and the balancing valve; the balance valve is connected with a hydraulic oil tank and/or pressure oil through the electromagnetic directional valve; the first plunger cylinder and the second plunger cylinder realize reverse overturning and returning actions.
The first plunger cylinder and the second plunger cylinder realize reverse actions and return actions, which are opposite to each other, namely, if the first plunger cylinder realizes the reverse action, the second plunger cylinder realizes the return action; if the first plunger cylinder realizes the return action, the second plunger cylinder realizes the turnover action. The overturning is driving, and the returning is driven. In the above-mentioned scheme, through designing two plunger jars, a plunger jar initiative during the upset, a plunger jar is driven, can realize the clockwise upset of area load or the anticlockwise upset of area load, and the upset is more laborsaving.
Preferably, the first plunger cylinder and the second plunger cylinder both comprise a cylinder barrel and a piston rod in telescopic connection with the cylinder barrel; a piston rod of the first plunger cylinder is hinged with the first overturning arm, and a cylinder barrel of the first plunger cylinder is connected with the balance valve; and a piston rod of the second plunger cylinder is hinged with the second overturning arm, and a cylinder barrel of the second plunger cylinder is connected with the balance valve.
Preferably, the balance valve is provided with a pipe orifice a and a pipe orifice b, and the turnover equipment further comprises a pipe orifice c connected with pressure oil and a pipe orifice d connected with a hydraulic oil tank; the connection between the pipe orifice c and the pipe orifice b is realized through the displacement of the electromagnetic directional valve, and the pipe orifice a is connected with the pipe orifice d; or the pipe orifice a is connected with the pipe orifice c, and the pipe orifice b is connected with the pipe orifice d; or the pipe orifice a and the pipe orifice b are both connected with the pipe orifice d, and the pipe orifice c is not communicated.
Preferably, the balance valve comprises a left balance valve and a right balance valve, and the nozzle a, the left balance valve and the first plunger cylinder are sequentially connected; and the pipe orifice b, the right balance valve and the second plunger cylinder are connected in sequence.
Preferably, the electromagnetic directional valve comprises a left position, a middle position and a right position which are arranged in sequence; when the electromagnetic directional valve moves to the left position, the pipe orifice c is connected with the pipe orifice b, and the pipe orifice a is connected with the pipe orifice d; when the electromagnetic directional valve moves to the right position, the pipe orifice a is connected with the pipe orifice c, and the pipe orifice b is connected with the pipe orifice d; when the electromagnetic directional valve moves to the middle position, the pipe orifice a and the pipe orifice b are both connected with the pipe orifice d, and the pipe orifice c is not communicated.
Preferably, a check valve for preventing hydraulic oil of the second plunger cylinder from entering the left balance valve is arranged between the left balance valve and the right balance valve; and a check valve for preventing the hydraulic oil of the first plunger cylinder from entering the right balance valve is arranged between the right balance valve and the left balance valve.
Preferably, a power arm of the return thrust of the turnover device is a distance between a fulcrum at an included angle between the first turnover arm and the second turnover arm and a hinge point of the first plunger cylinder and the first turnover arm; or the distance between the fulcrum and the hinge point of the second plunger cylinder and the second flipping arm.
Preferably, the effective acting area of the oil pressure of the first plunger cylinder or the second plunger cylinder for providing the return thrust is the sectional area of the plunger cylinder.
Compared with the prior art, the beneficial effects of the utility model are that:
one plunger cylinder is driven, and the plunger cylinder is not limited by the working direction, so that clockwise turning with load or anticlockwise turning with load can be realized, the turning is more labor-saving, and the flexibility is good;
secondly, the scheme of two single-acting plunger cylinders is adopted, so that the equipment can be turned over in two directions with loads while the working pressure of a hydraulic system of the equipment is reduced;
and the scheme of the two plunger cylinders is more in accordance with the stress change of the working condition of the turnover equipment, so that the equipment structure is more reasonable. The clockwise and anticlockwise turning starting stages are both pushed by the oil cylinder, and the turning moment is maximum; as the turning angle increases, the resisting moment decreases, and the turning moment provided by the oil cylinder is also synchronously decreased;
fourthly, the working pressure required by the normal work of the hydraulic system of the equipment can be reduced, the structure of the equipment is optimized, the energy consumption is reduced, the hydraulic impact is reduced, the stability and the reliability of the equipment are improved, the turnover equipment can carry load to turn over in two directions, and the turnover equipment is more flexible in actual work.
Drawings
FIG. 1 is a schematic view of an existing flipping mechanism in a home position;
fig. 2 is a schematic structural view of the turning apparatus provided by the present invention;
fig. 3 is a schematic diagram of the turnover device provided by the present invention after being turned over counterclockwise;
fig. 4 is the schematic diagram after the turnover device provided by the utility model turns clockwise.
In the attached drawing, 1-a first overturning arm, 2-a second overturning arm, 3-a first plunger cylinder, 31-a cylinder barrel of the first plunger cylinder, 32-a piston rod of the first plunger cylinder, 4-a second plunger cylinder, 41-a cylinder barrel of the second plunger cylinder, 42-a piston rod of the second plunger cylinder, 5-a balance valve, 51-a left balance valve, 52-a right balance valve, 53-a one-way valve, 6-an electromagnetic reversing valve, 61-a left position, 62-a middle position, 63-a right position, 7-a fulcrum and 8-a supporting seat.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
As shown in fig. 2, the turning apparatus provided in the present embodiment includes a first turning arm 1, a second turning arm 2, a first plunger cylinder 3, a second plunger cylinder 4, a balance valve 5, and a solenoid directional valve 6.
An included angle is formed between the first overturning arm 1 and the second overturning arm 2, the included angle is a overturning fulcrum 7, and a supporting seat 8 is arranged on the fulcrum 7. The first plunger cylinder 3 and the second plunger cylinder 4 both comprise a cylinder barrel and a piston rod which is in telescopic connection with the cylinder barrel. The piston rod 32 of the first plunger cylinder 3 is hinged to the first tilt arm 1. The piston rod 42 of the second plunger cylinder 4 is articulated to the second tilting arm 2.
The balancing valve 5 comprises a left balancing valve 51 and a right balancing valve 52. The cylinder tube 31 of the first plunger cylinder 3 is connected with the left balance valve 51 and extends with a nozzle a. The cylinder tube 41 of the second plunger cylinder 4 is connected to the right balance valve 52 and extends with a nozzle b.
The electromagnetic directional valve 6 comprises a left position 61, a middle position 62 and a right position 63 which are arranged in sequence. The turnover equipment further comprises a pipe orifice c for connecting pressure oil and a pipe orifice d for connecting a hydraulic oil tank. When the electromagnetic directional valve 6 moves to the left position, the pipe orifice c is connected with the pipe orifice b, and the pipe orifice a is connected with the pipe orifice d. When the electromagnetic directional valve 6 moves to the right position, the pipe orifice a is connected with the pipe orifice c, and the pipe orifice b is connected with the pipe orifice d. When the electromagnetic directional valve 6 moves to the middle position, the pipe orifice a and the pipe orifice b are both connected with the pipe orifice d, and the pipe orifice c is not communicated.
A check valve 53 for preventing the hydraulic oil of the second plunger cylinder 4 from entering the left balance valve 51 is provided between the left balance valve 51 and the right balance valve 52. A check valve 53 for preventing the hydraulic oil of the first plunger cylinder 3 from entering the right balance valve 52 is provided between the right balance valve 52 and the left balance valve 51.
As shown in fig. 3 and 4, the power arm of the return thrust of the turnover device is the distance L2 between the fulcrum 7 and the hinge point of the first plunger cylinder and the first turnover arm. Or the distance L2 between the fulcrum 7 and the hinge point of the second plunger cylinder and the second flipping arm.
In the returning process of the turnover arm, thrust is provided by the return plunger cylinder, the effective acting area of oil pressure is the sectional area of the plunger, and the distance between the axis of the oil cylinder and the pivot of the turnover arm, namely the distance between the axis of the oil cylinder and the power arm L2 is larger (compared with L1 in the figure 1), so that the required oil cylinder thrust is smaller compared with the returning process of.
Because of this, the roll-over arm can be easily brought back from the 90 ° position with a load, with the appropriate plunger cylinder being selected. The utility model discloses a double-plunger jar scheme more agree with the atress change of tipping arrangement operating mode.
As shown in fig. 2, the utility model provides a turning method of turning equipment does:
1) is turned over anticlockwise
Step 1.1, the electromagnetic directional valve 6 is set to the left position, and the pressure oil enters the rodless cavity of the second plunger cylinder 4 through the left position (pipe orifice c flowing to pipe orifice b) of the electromagnetic directional valve 6, the right balance valve 52 and the check valve 53 on the right side (in the direction shown in fig. 2) of the right balance valve 52, and pushes the piston rod to extend out.
Step 1.2, a piston rod of a second plunger cylinder 4 pushes a second turnover arm 2 to turn over anticlockwise, and the turnover of the second turnover arm 2 pushes the first turnover arm 1 to turn over together. At this time, the second flipping arm 2 is active, and the first flipping arm 1 is passive. Meanwhile, the pressure oil acts on the control oil port of the left balance valve 51, the valve port of the left balance valve 51 is opened by a certain opening degree, and the pressure oil in the rodless cavity of the first plunger cylinder 3 returns to the hydraulic oil tank from the left balance valve 51 and the electromagnetic directional valve 6 (the pipe orifice a flows to the pipe orifice d). After the flipping is complete, as shown in fig. 3.
2) Turn over clockwise
And 2.1, setting the electromagnetic directional valve 6 to the right position, and enabling pressure oil to enter a rodless cavity of the first plunger cylinder 3 through the left position (pipe orifice c flowing to pipe orifice a) of the electromagnetic directional valve 6, the left balance valve 51 and the one-way valve 53 on the left side (in the direction shown in fig. 2) of the left balance valve 51 to push a piston rod to extend.
And 2.2, the piston rod of the first plunger cylinder 3 pushes the first turnover arm 1 to turn clockwise, and the second turnover arm 2 is pushed to turn together by turning over the first turnover arm 1. At this time, the first turning arm is driven, and the second turning arm is driven. Meanwhile, the pressure oil acts on the control oil port of the right balance valve 52 to open a certain opening at the valve port of the right balance valve 52, and the pressure oil in the rodless cavity of the second plunger cylinder 4 returns to the hydraulic mailbox from the right balance valve 52 and the electromagnetic directional valve 6 (the pipe orifice b flows to the pipe orifice d). After the flipping is complete, as shown in fig. 4.
3) When the turnover equipment does not work, the electromagnetic directional valve 6 is located at the middle position, and the pressure oil is not communicated with the balance valve 5 (the pipe orifice c is not communicated). As shown in fig. 1.
The above 1), 2) and 3) are not in sequence.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. A turnover device comprises a hydraulic oil tank, pressure oil, a first turnover arm and a second turnover arm, wherein the first turnover arm and the second turnover arm have an included angle; the hydraulic balance valve is characterized by further comprising a first plunger cylinder, a second plunger cylinder, a balance valve and an electromagnetic reversing valve; the first plunger cylinder is connected between the first overturning arm and the balance valve; the second plunger cylinder is connected between the second invert arm and the balancing valve; the balance valve is connected with a hydraulic oil tank and/or pressure oil through the electromagnetic directional valve; the first plunger cylinder and the second plunger cylinder realize reverse overturning and returning actions.
2. The tipping apparatus of claim 1 wherein the first plunger cylinder and the second plunger cylinder each comprise a cylinder barrel and a piston rod telescopically connected to the cylinder barrel; a piston rod of the first plunger cylinder is hinged with the first overturning arm, and a cylinder barrel of the first plunger cylinder is connected with the balance valve; and a piston rod of the second plunger cylinder is hinged with the second overturning arm, and a cylinder barrel of the second plunger cylinder is connected with the balance valve.
3. The turnover device of claim 1, wherein the balance valve is provided with a nozzle a and a nozzle b, and the turnover device further comprises a nozzle c for connecting pressure oil and a nozzle d for connecting a hydraulic oil tank; the connection between the pipe orifice c and the pipe orifice b is realized through the displacement of the electromagnetic directional valve, and the pipe orifice a is connected with the pipe orifice d; or the pipe orifice a is connected with the pipe orifice c, and the pipe orifice b is connected with the pipe orifice d; or the pipe orifice a and the pipe orifice b are both connected with the pipe orifice d, and the pipe orifice c is not communicated.
4. The tipping device of claim 3, wherein the balance valve comprises a left balance valve and a right balance valve, and the nozzle a, the left balance valve and the first plunger cylinder are connected in sequence; and the pipe orifice b, the right balance valve and the second plunger cylinder are connected in sequence.
5. The tipping device of claim 3, wherein the electromagnetic directional valve comprises a left position, a middle position and a right position which are arranged in sequence; when the electromagnetic directional valve moves to the left position, the pipe orifice c is connected with the pipe orifice b, and the pipe orifice a is connected with the pipe orifice d; when the electromagnetic directional valve moves to the right position, the pipe orifice a is connected with the pipe orifice c, and the pipe orifice b is connected with the pipe orifice d; when the electromagnetic directional valve moves to the middle position, the pipe orifice a and the pipe orifice b are both connected with the pipe orifice d, and the pipe orifice c is not communicated.
6. The tipping device of claim 4, wherein a check valve for preventing hydraulic oil of the second plunger cylinder from entering the left balancing valve is arranged between the left balancing valve and the right balancing valve; and a check valve for preventing the hydraulic oil of the first plunger cylinder from entering the right balance valve is arranged between the right balance valve and the left balance valve.
7. The overturning device according to any one of claims 1 to 6, wherein a power arm of a return thrust of the overturning device is a distance between a fulcrum at an included angle of the first overturning arm and the second overturning arm and a hinge point of the first plunger cylinder and the first overturning arm; or the distance between the fulcrum and the hinge point of the second plunger cylinder and the second flipping arm.
8. The tipping apparatus according to any one of claims 1 to 6, wherein an effective area of the oil pressure of the first plunger cylinder or the second plunger cylinder for providing the return thrust is a sectional area of the plunger cylinder.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020214559591 | 2020-07-22 | ||
| CN202021455959 | 2020-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212864051U true CN212864051U (en) | 2021-04-02 |
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ID=75220154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021583233.6U Active CN212864051U (en) | 2020-07-22 | 2020-08-04 | Turnover equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212864051U (en) |
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2020
- 2020-08-04 CN CN202021583233.6U patent/CN212864051U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 104-106, 101 building, R & D center and main material production center of national housing industry base, 1657 Yuelu West Avenue, Changsha hi tech Development Zone, Changsha City, Hunan Province, 410001 Patentee after: Changsha Yuanda Rubik's Cube Technology Co.,Ltd. Address before: Room 104-106, 101 building, R & D center and main material production center of national housing industry base, 1657 Yuelu West Avenue, Changsha hi tech Development Zone, Changsha City, Hunan Province, 410001 Patentee before: Changsha Yuanda module integration technology Co., Ltd |
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| CP01 | Change in the name or title of a patent holder |