CN216836852U - Single-transverse-rail anti-unbalance-loading single-rail hoisting system - Google Patents
Single-transverse-rail anti-unbalance-loading single-rail hoisting system Download PDFInfo
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- CN216836852U CN216836852U CN202220679127.0U CN202220679127U CN216836852U CN 216836852 U CN216836852 U CN 216836852U CN 202220679127 U CN202220679127 U CN 202220679127U CN 216836852 U CN216836852 U CN 216836852U
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Abstract
The utility model relates to a single transverse rail prevents unbalance loading single track handling system. The existing monorail cranes cannot be unbalanced loaded. Therefore, the anti-unbalance-loading monorail hoisting system comprises a monorail hoisting travelling mechanism and a hoisting box, wherein the hoisting box is fixed below the monorail hoisting travelling mechanism, four corners of the hoisting box are respectively provided with a hydraulic supporting leg and a hydraulic control valve group, inner cavities of cylinder roots of the hydraulic supporting legs on the same side are communicated through a high-pressure pipe, a transverse rail is arranged below the hoisting box, an electric transverse tackle and an electric steel wire rope winch are arranged, the electric transverse tackle and the electric steel wire rope winch are respectively provided with a driving motor and a controller, a left hydraulic sensor, a right hydraulic sensor and a PLC (programmable logic controller), a display screen is arranged on the side wall of the hoisting box, and hydraulic values sensed by the left hydraulic sensor and the right hydraulic sensor and a difference value between the hydraulic values are displayed on the display screen simultaneously under the PLC. The utility model discloses simple structure, convenient to use, atress automatic balance is fit for using in the pit in the colliery.
Description
Technical Field
The utility model relates to a single transverse rail prevents unbalance loading single track handling system.
Background
The monorail crane is a transport tool which is formed by connecting special I-shaped steel hung above a roadway as a track, has various functions to form a train set, is dragged by a traction device and runs along the track, has strong maneuverability, high running speed, large load capacity, safety and reliability, runs on a suspended monorail system, and is mainly used for installation and withdrawal of a coal mine fully-mechanized mining working face.
At present, the underground monorail crane is mainly used for transporting equipment and integrally loading materials, and has a good effect. But the phenomena of low track utilization rate and long idle time exist, and materials cannot be transversely conveyed in a roadway. After equipment and materials are transported to the ground through the monorail crane, the operation personnel still need to carry out secondary transportation and stack the materials to the two sides of the roadway. The potential safety hazard exists, the working efficiency is reduced, and the working intensity of personnel is increased.
The tracks of existing monorail cranes are designed primarily to carry vertical loads and if heavy objects located on one side are hoisted, an unbalance load is created, as shown in figure 1, which tends to pull the track out of shape. Therefore, in the prior art, the electric wire rope winch of the monorail hoist can only hoist the heavy object right below the track, which is very inconvenient.
Disclosure of Invention
The to-be-solved technical problem of the utility model is how to overcome prior art's above-mentioned defect, provide a single transverse rail prevents unbalance loading single track handling system.
In order to solve the technical problem, the single-transverse-rail anti-unbalance-loading single-rail hoisting system comprises a single-rail hoisting travelling mechanism and a hoisting box, wherein the hoisting box is fixed below the single-rail hoisting travelling mechanism and is characterized in that: the four corners of the hoisting box are respectively and vertically fixed with a hydraulic supporting leg, the top ends of the hydraulic supporting legs are respectively provided with a supporting plate and are provided with a hydraulic control valve group, the four hydraulic supporting legs are plunger oil cylinders and respectively comprise a cylinder barrel, a plunger, a guide sleeve, a sealing ring and a gland, the inner cavities of the cylinder roots of the two left hydraulic supporting legs of the matched single rail are communicated through a high-pressure pipe, the inner cavities of the cylinder roots of the two hydraulic supporting legs on the right side of the matched single rail are communicated through the high-pressure pipe, a transverse rail is arranged below the hoisting box, the length of the transverse rail is less than the width of a matched roadway and greater than 90% of the width of the matched roadway, an electric transverse tackle is arranged on the transverse rail, an electric steel wire rope winch is arranged on the electric transverse tackle, the electric transverse tackle and the electric steel rope winch are respectively provided with a driving motor and a controller, and a lifting button, a descending button, a sliding rod, The left-hand movement button and the right-hand movement button are connected with a driving motor of an electric transverse tackle and an electric steel wire rope winch in a wired or wireless mode and are respectively controlled, a display screen is arranged on the side wall of the lifting box and is provided with a left hydraulic sensor, a right hydraulic sensor and a PLC (programmable logic controller), the left hydraulic sensor is communicated with the inner cavity of the cylinder root of the left front hydraulic supporting leg or/and the inner cavity of the cylinder root of the left rear hydraulic supporting leg or/and the inner cavity of the cylinder root of the right front hydraulic supporting leg or/and the inner cavity of the cylinder root of the right rear hydraulic supporting leg or/and the cylinder root of the left rear hydraulic supporting leg or/and the cylinder root of the right rear hydraulic supporting leg or/and is connected with the signal input end of the PLC controller, the display screen is connected with the signal output end of the PLC controller, and the display screen is used for simultaneously displaying the hydraulic values sensed by the left hydraulic sensor and the right hydraulic sensor and the difference between the left hydraulic sensor and the right hydraulic sensor on the display screen under the PLC controller.
By the design, before the electric steel wire rope winch lifts a heavy object on one side of the transverse rail, the four hydraulic support legs are firstly extended out, and the supporting plate of the electric steel wire rope winch is connected with the top plate of the peripheral roadway. Then, the weight is lifted. Like this, when the heavy object has aggravated one side load, the opposite side of lifting by crane the case upwarps, makes the hydraulic support leg of this side press the tunnel roof, and the tunnel roof passes through the hydraulic support leg and also strengthens to the reaction force who lifts by crane the case of upwarps side, makes the resultant force that monorail crane running gear received like this remain throughout vertical to the unbalance loading has been avoided.
Preferably, the monorail crane travelling mechanism is connected with the hoisting box through a rotating table. So design, it can be rotatory around the revolving stage center to play the lifting box and horizontal track, is convenient for pass through the tunnel in narrow section.
Preferably, the rotary table is provided with a rotary driving motor, and the controller is provided with a forward rotation button and a reverse rotation button for controlling the rotary driving motor. So design, be convenient for control the revolving stage as required and rotate.
The utility model discloses utilize the method of aforementioned single transverse rail anti unbalance loading single track handling system handling heavy object, including following step:
moving the single transverse rail anti-unbalance loading single-rail lifting system to the position above a heavy object to be lifted along a rail, and moving an electric transverse pulley to the position right above the heavy object to be lifted through a manipulator;
secondly, the four hydraulic supporting legs are extended through a hydraulic control valve group, supporting plates of the four hydraulic supporting legs are connected with a matched roadway top plate, and hydraulic values sensed by a left hydraulic sensor and a right hydraulic sensor are equal and are not lower than 6kg/cm2;
Operating a controller to enable the tail end of the steel wire rope of the electric steel wire rope winch to descend and fix the steel wire rope on a heavy object to be hoisted, and then operating the controller to hoist the heavy object to be hoisted;
after the lifted heavy object is lifted, one side of the lifting box at one side adjacent to the heavy object falls under the influence of the gravity of the heavy object, the other side of the lifting box upwarps, the hydraulic pressure in the cylinder sleeve of the hydraulic supporting leg at the upwarping side correspondingly increases, the difference value of the hydraulic values sensed by the left and right hydraulic sensors reaches the maximum, then the controller is operated, the electric transverse tackle drives the electric steel wire rope winch and the lower heavy object to slowly move to the position under the lifting box until the difference value of the hydraulic values sensed by the left and right hydraulic sensors reaches below 0.1kg/cm2, even reaches 0,
the four hydraulic supporting legs are contracted to the shortest state through a hydraulic control valve group, and then the transverse track and the heavy object below the transverse track can be moved to the position near the destination by a monorail crane running mechanism along a matched monorail;
then, through the hydraulic control valve set, the four hydraulic supporting legs are extended, the supporting plates are all connected with a matched tunnel top plate, the hydraulic values sensed by the left hydraulic sensor and the right hydraulic sensor are equal and are not lower than 6kg/cm2；
Operating the manipulator to enable the electric transverse pulley to drive the electric steel wire rope winch and the lower heavy object thereof to slowly move to the position right below the destination, and dropping the heavy object onto the destination;
and then, unfastening the steel wire rope of the electric steel wire rope winch from the weight, operating the controller to enable the tail end of the steel wire rope of the electric steel wire rope winch to ascend and separate from the ground, and finally, enabling the four hydraulic supporting legs to contract to the shortest state through a hydraulic control valve group to finish the process of hoisting the weight once.
Before lifting heavy objects, the four hydraulic support legs are firstly extended, the top support plate of the four hydraulic support legs is fully connected with the top (contacted with a roadway roof), when the heavy objects are lifted, the hydraulic support legs on the other side are slightly upwarped, and the counterforce exerted on the roadway roof above the hydraulic support legs is correspondingly increased. The contact position of the monorail crane walking mechanism and the matched monorail is used as a fulcrum, the moment generated by the increased reaction force on the hoisting box is equal to the moment generated by the hoisting heavy object on the hoisting box through the transverse rail, the directions of the moment and the moment are opposite, the moment and the direction are mutually offset, and the balance is always kept.
The single-transverse-rail anti-unbalance-loading single-rail hoisting system has the advantages of simple structure, convenience in use and automatic stress balance, and is suitable for being used underground in a coal mine.
Drawings
The single transverse rail anti-unbalance loading single rail hoisting system is further explained by combining the attached drawings as follows:
FIG. 1 is a schematic view of a prior art monorail hoist for off-load hoisting;
FIG. 2 is a schematic view of a lifting structure of an embodiment of the single transverse rail anti-unbalance loading single-rail lifting system;
FIG. 3 is a schematic top perspective view of an embodiment of the single transverse rail anti-unbalance loading monorail crane system;
fig. 4 is a schematic bottom perspective view of the single transverse rail anti-unbalance single-rail hoisting system according to the embodiment.
In the figure: the system comprises a matched monorail 1, a monorail crane 2, a hoisting box 3, a hydraulic supporting leg 4, a supporting plate 5, a transverse rail 6, an electric transverse tackle 7, an electric steel wire rope winch 8, a display screen 9, a left hydraulic sensor 10, a right hydraulic sensor 11, a rotating table 12, a high-pressure pipe 13, a heavy object 14, a roadway top plate 15, a bottom plate 16 and a hydraulic value sensed by the left hydraulic sensor 10, wherein the monorail is matched with the monorail, the monorail crane walking mechanism 2 is matched with the monorail crane walking mechanism 3; p2 is the hydraulic pressure sensed by the right hydraulic pressure sensor 11, Δ P = P1 minus P2; f is the reaction force of the roadway roof to the hoisting box, and G is the weight gravity.
Detailed Description
The first implementation mode comprises the following steps: as shown in fig. 2-4, the utility model discloses single transverse rail anti-unbalance loading single track handling system, including single track hang running gear 2 and lift by crane case 3, lift by crane case 3 and fix in single track hang running gear 2 below, its characterized in that: it has a hydraulic support leg 4 to play on the four corners of hanging box 3 respectively the vertical fixation, and 4 tops of each hydraulic support leg are equipped with layer board 5 respectively, and be furnished with hydraulic pressure and control the valves (not shown in the figure), four hydraulic support legs 4 are the plunger hydro-cylinder, include the cylinder respectively, the plunger, the guide pin bushing, sealing washer and gland, the cylinder root inner chamber of 1 left two hydraulic support legs of adapted single track communicates with each other through high-voltage tube 13, the cylinder root inner chamber of two hydraulic support legs 4 on its right side communicates with each other through high-voltage tube 13.
A transverse rail 6 is arranged below the hoisting box 3, the length of the transverse rail 6 is less than the width of an adapted roadway and is more than 90 percent of the width of the adapted roadway (not shown in the figure), an electric transverse tackle 7 is arranged on the transverse rail 6, an electric wire rope winch 8 is arranged on the electric transverse tackle 7, the electric transverse tackle 7 and the electric wire rope winch 8 are respectively provided with a driving motor and a controller (not shown in the figure), the controller is provided with a lifting button, a descending button, a left moving button and a right moving button and is connected with the driving motors of the electric transverse tackle 7 and the electric wire rope winch 8 through wires or wirelessly to respectively control the two, a display screen 9 is arranged on the side wall of the hoisting box 3 and is provided with a left hydraulic sensor 10, a right hydraulic sensor 11 and a PLC controller, the left hydraulic sensor 10 is communicated with the inner cavity of the cylinder root of the left front hydraulic supporting leg or/and the left rear supporting leg 4, the right hydraulic sensor 11 is communicated with the inner cavity of the cylinder barrel root of the right front or/and right rear hydraulic support leg 4, the left and right hydraulic sensors 10 and 11 are connected with the signal input end of the PLC, the display screen 9 is connected with the signal output end of the PLC, and hydraulic values P1 and P2 sensed by the left hydraulic sensor 10 and the right hydraulic sensor 11 and a difference value delta P between the hydraulic values are displayed on the display screen 9 under the PLC.
The monorail crane travelling mechanism 2 and the hoisting box 3 are connected through a rotating platform 12. The rotary table 12 is provided with a rotary drive motor (not shown), and the manipulator is provided with a forward rotation button and a reverse rotation button for controlling the rotary drive motor. The utility model discloses utilize the method of aforementioned single transverse rail anti unbalance loading single track handling system handling heavy object, including following step:
moving the single transverse rail anti-unbalance loading single-rail lifting system to the position above a weight 14 to be lifted along a rail, and moving an electric transverse pulley 7 to the position right above the weight to be lifted through a manipulator;
secondly, the four hydraulic supporting legs 4 are extended through a hydraulic control valve group, the supporting plates 5 of the four hydraulic supporting legs are connected with a matched roadway top plate, and the hydraulic values sensed by the left hydraulic sensor 10 and the right hydraulic sensor 11 are equal, namely P1= P2 and are not lower than 6kg/cm2；
Operating the controller to enable the tail end of the steel wire rope of the electric steel wire rope winch 8 to descend and fix the steel wire rope on the heavy object to be hoisted, and then operating the controller to hoist the heavy object to be hoisted;
after the lifted heavy object is lifted, under the influence of the gravity of the heavy object, one side of the lifting box 3 on one side adjacent to the heavy object falls, the other side of the lifting box 3 upwarps, the hydraulic pressure in the cylinder sleeve of the hydraulic supporting leg 4 on the upwarping side correspondingly increases, the difference value delta P of the hydraulic values P1 and P2 sensed by the left and right hydraulic sensors 10 and 11 reaches the maximum, then the controller is operated, the electric transverse tackle 7 drives the electric steel wire rope winch 8 and the lower heavy object 14 to slowly move to the position under the lifting box 3 until the difference value of the hydraulic values sensed by the left and right hydraulic sensors reaches below 0.1kg/cm2, even reaches 0.
In the process, the roadway roof above the slightly upturned hydraulic support leg 4 is correspondingly increased in the applied reaction force. The contact part of the monorail crane walking mechanism 2 and the matched monorail 1 is taken as a fulcrum, the moment generated on the lifting box 3 by the increased reaction force F is equal to the moment generated on the lifting box 3 by the gravity G of the weight 14 through the transverse rail 6, the directions are opposite, the reaction force F and the gravity G are mutually offset, and the balance is always kept, so that the resultant force direction of the load borne by the matched monorail is always vertical in the process of lifting the weight, and the unbalance loading problem is not generated, as shown in fig. 2.
The four hydraulic support legs 4 are contracted to the shortest state through a hydraulic control valve group, and then the transverse track 6 and the weight 14 below the transverse track can be moved to the position near a destination by the aid of the monorail crane walking mechanism 2 along the matched monorail 1;
sixthly, extending the four hydraulic support legs through a hydraulic control valve group, connecting the supporting plate 5 with a matched roadway top plate 15, and enabling the hydraulic values sensed by the left hydraulic sensor 10 and the right hydraulic sensor 11 to be equal, namely P1= P2 and not lower than 6kg/cm2；
Then operating the manipulator to enable the electric transverse pulley 7 to drive the electric steel wire rope winch 8 and the lower heavy object thereof to slowly move to the position right below the destination, and dropping the heavy object onto the destination;
and then, unwinding the steel wire rope of the electric steel wire rope winch 8 from the weight, operating the controller to enable the tail end of the steel wire rope of the electric steel wire rope winch 8 to ascend and be separated from the ground, and finally enabling the four hydraulic support legs 4 to contract to the shortest state through the hydraulic control valve group to finish the hoisting process of the weight 14.
Kg/cm in this patent document2Is a customary writing method of pressure unit kilogram force/square centimeter, equivalent to kgf/cm2。
Claims (3)
1. The utility model provides a single cross rail anti-unbalance loading single track handling system, includes that the single track hangs running gear and lifts by crane the case, it fixes in single track and hangs running gear below its characterized in that to lift by crane the case: the four corners of the hoisting box are respectively and vertically fixed with a hydraulic supporting leg, the top ends of the hydraulic supporting legs are respectively provided with a supporting plate and are provided with a hydraulic control valve bank, the four hydraulic supporting legs are plunger oil cylinders and respectively comprise a cylinder barrel, a plunger, a guide sleeve, a sealing ring and a gland, the inner cavities of the cylinder roots of the two hydraulic supporting legs on the left side of the matched monorail are communicated through a high-pressure pipe, the inner cavities of the cylinder roots of the two hydraulic supporting legs on the right side of the matched monorail are communicated through the high-pressure pipe, a transverse rail is arranged below the hoisting box, the length of the transverse rail is smaller than the width of the matched roadway and larger than 90% of the width of the matched roadway, an electric transverse pulley is arranged on the transverse rail, an electric steel wire rope winch is arranged on the electric transverse pulley, a driving motor is respectively arranged on the electric transverse pulley and the electric steel wire rope winch and is provided with a controller, an ascending button, a descending button, a sliding block, a sliding blocks and a sliding block are arranged on the electric steel wire rope sliding block, a sliding block and a sliding block are arranged on the electric steel wire rope sliding block, The left-hand movement button and the right-hand movement button are connected with a driving motor of an electric transverse tackle and an electric steel wire rope winch in a wired or wireless mode and are respectively controlled, a display screen is arranged on the side wall of the lifting box and is provided with a left hydraulic sensor, a right hydraulic sensor and a PLC (programmable logic controller), the left hydraulic sensor is communicated with the inner cavity of the cylinder root of the left front hydraulic supporting leg or/and the inner cavity of the cylinder root of the left rear hydraulic supporting leg or/and the inner cavity of the cylinder root of the right front hydraulic supporting leg or/and the inner cavity of the cylinder root of the right rear hydraulic supporting leg or/and the cylinder root of the left rear hydraulic supporting leg or/and the cylinder root of the right rear hydraulic supporting leg or/and is connected with the signal input end of the PLC controller, the display screen is connected with the signal output end of the PLC controller, and the display screen is used for simultaneously displaying the hydraulic values sensed by the left hydraulic sensor and the right hydraulic sensor and the difference between the left hydraulic sensor and the right hydraulic sensor on the display screen under the PLC controller.
2. The single cross rail anti-unbalance-loading single rail hoisting system according to claim 1, characterized in that: the monorail crane walking mechanism is connected with the hoisting box through a rotating table.
3. The single cross rail anti-unbalance-loading single-rail hoisting system of claim 2, which is characterized in that: the rotating platform is provided with a rotary driving motor, and the controller is provided with a forward rotation button and a reverse rotation button for controlling the rotary driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220679127.0U CN216836852U (en) | 2022-03-24 | 2022-03-24 | Single-transverse-rail anti-unbalance-loading single-rail hoisting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220679127.0U CN216836852U (en) | 2022-03-24 | 2022-03-24 | Single-transverse-rail anti-unbalance-loading single-rail hoisting system |
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| Publication Number | Publication Date |
|---|---|
| CN216836852U true CN216836852U (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220679127.0U Active CN216836852U (en) | 2022-03-24 | 2022-03-24 | Single-transverse-rail anti-unbalance-loading single-rail hoisting system |
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| Country | Link |
|---|---|
| CN (1) | CN216836852U (en) |
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- 2022-03-24 CN CN202220679127.0U patent/CN216836852U/en active Active
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