CN210619802U - Pay-off rack special for hydraulic traction rope - Google Patents
Pay-off rack special for hydraulic traction rope Download PDFInfo
- Publication number
- CN210619802U CN210619802U CN201920498977.9U CN201920498977U CN210619802U CN 210619802 U CN210619802 U CN 210619802U CN 201920498977 U CN201920498977 U CN 201920498977U CN 210619802 U CN210619802 U CN 210619802U
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- Prior art keywords
- hydraulic
- pay
- hydraulic motor
- tensioner
- speed
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- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 8
- 239000000446 fuel Substances 0.000 abstract description 4
- 238000013021 overheating Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000010729 system oil Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a special pay off rack of hydraulic pressure haulage rope, including tensioner, pay off rack, the pay off rack is connected on the tensioner, the pay off rack on be equipped with and pull rope sheave, hydraulic motor, the hydraulic motor drive is connected and is pull the rope sheave, the tensioner on be equipped with hydraulic system, hydraulic system passes through the tube coupling hydraulic motor. The utility model discloses be equipped with the hydraulic system that the fuel engine provided power on the tensioner, drive the traction rope sheave through hydraulic system and hydraulic motor, the wire wheel that the tractor passes through traction drive tensioner rotates, and control system detects the speed of wire wheel, and then controls hydraulic motor's slew velocity, and hydraulic motor's speed is controlled by hydraulic system, can not pile up or twine because of traction rope inertia rotational speed appears at the excessive speed, produces a condition similar to engine braking. The whole process automatically adjusts the speed according to the rotating speed of the traction machine driving wire guide wheel, manual participation is not needed, and the situation of mechanical overheating locking cannot occur.
Description
Technical Field
The utility model belongs to the technical field of the unwrapping wire technique that power line laid and specifically relates to special pay off rack of hydraulic haulage rope.
Background
At present, domestic in tension stringing construction, the exhibition of haulage rope is put and is adopted the tractor to draw the unwrapping wire with haulage rope pay off rack on the tensioner wire pay off rack, the rope sheave that pulls on the rope pay off rack can rotate along with giving out of haulage rope, it will produce an inertia to pull the rope sheave, haulage rope release rate can accelerate when pulling rope sheave inertia rotational speed is too big, can lead to the haulage rope to pile up or twine, it has a speed restriction to pull the rope sheave to need, it is artifical friction restriction its speed of utilizing the stick and pulling the rope sheave now commonly used, but the braking force is unstable and has the personal safety risk to operating personnel. The unstable manual braking also easily causes the leading rope on the tension pulley to jump the groove, has the construction potential safety hazard.
The patent (application number: 201120152910.3) discloses a traction rope pay-off rack with a braking device, and the traction rope pay-off rack braked by a mechanical brake disc has the using effect obviously superior to that of manual braking, the mechanical braking is similar to vehicle braking, but the braking used on the pay-off rack needs to be always braked when the rope is paid off, so that the braking part is frequently used, and the part is easily damaged due to overlong single time. Although the situation of heating locking is eliminated by cooling, cooling liquid flows to the brake friction position of the brake disc from the outer edge of the brake disc, so that the friction force of the brake disc is reduced, the braking force of the mechanical brake disc needs to be manually adjusted at any time according to the weight change of the rope disc, and the problems that the braking force is unstable and the groove jump of the tension wheel easily occurs when the braking force is not adjusted in time are solved. Manual addition of cooling fluid is also required.
Therefore, the problems that labor is consumed and parts are easily damaged exist in the existing products, and therefore a special pay-off rack specially used for unwinding a traction rope needs to be designed, so that the problems of safety, reliability and no need of manual participation are solved.
Disclosure of Invention
The utility model discloses be exactly for solving the above-mentioned not enough that prior art exists, provide the special pay off rack of hydraulic pressure haulage rope, the utility model discloses be equipped with the hydraulic system that the fuel engine provided power on the tensioner, drive the traction rope sheave through hydraulic system and hydraulic motor, the wire wheel that the tractor passes through traction drive tensioner rotates, control system detects the speed of wire wheel, and then control hydraulic motor's slew velocity, hydraulic motor's speed is controlled by hydraulic system, can not pile up or twine because of traction rope appears drawing rope inertia rotational speed too fast, produces a condition similar to engine braking. The whole process automatically adjusts the speed according to the rotating speed of the traction machine driving wire guide wheel, manual participation is not needed, and the situation of mechanical overheating locking cannot occur due to the fact that hydraulic system oil flows in the system for heat dissipation.
The utility model provides a technical scheme that its technical problem adopted is:
the pay-off stand special for the hydraulic traction rope comprises a tensioner and a pay-off stand, wherein the pay-off stand is connected to the tensioner, the pay-off stand is provided with a traction rope wheel and a hydraulic motor, the hydraulic motor is connected with the traction rope wheel in a driving mode, the tensioner is provided with a hydraulic system, and the hydraulic system is connected with the hydraulic motor through a pipeline.
The hydraulic system comprises a hydraulic oil tank, a hydraulic pump and a control system, a throttle valve is arranged on a pipeline of the hydraulic pump connected with a hydraulic motor, the hydraulic motor is connected with the hydraulic oil tank through a pipeline, and the control system is electrically connected with the throttle valve.
The throttle valve is an electric throttle valve, and an overflow valve is arranged on the upstream of the throttle valve.
The control system comprises a controller and a rotating speed sensor, wherein the rotating speed sensor is a magnetic-sensing rotating speed sensor, and the controller is a PLC (programmable logic controller).
The hydraulic motor is a GM1-320 hydraulic motor.
The rotating speed sensor is electrically connected with the controller, and the controller is electrically connected with the electric throttle valve.
The utility model has the advantages that:
1. the utility model discloses be equipped with the hydraulic system that the fuel engine provided power on the tensioner, drive the traction rope sheave through hydraulic system and hydraulic motor, the wire wheel that the tractor passes through traction drive tensioner rotates, and control system detects the speed of wire wheel, and then controls hydraulic motor's slew velocity, and hydraulic motor's speed is controlled by hydraulic system, can not pile up or twine because of traction rope inertia rotational speed appears at the excessive speed, produces a condition similar to engine braking. The whole process automatically adjusts the speed according to the rotating speed of the traction machine driving wire guide wheel, manual participation is not needed, and the situation of mechanical overheating locking cannot occur due to the fact that hydraulic system oil flows in the system for heat dissipation.
2. The rotating speed of the hydraulic motor is controlled by combining the throttling valve and the overflow valve in the hydraulic system, the rotating speed sensor is installed on the tensioner and used for detecting the rotating speed of the wire wheel, the magnetic-sensing type rotating speed sensor can be matched for measurement only by placing a plurality of permanent magnets on one side of the wire wheel, the rotating speed sensor transmits signals to the PLC, the PLC controls the electric throttling valve to adjust the flow through an internal program, and the rotating speed of the hydraulic motor changes along with the adjustment.
3. When the speed that appears is faster than the condition of unwrapping wire speed because the change of traction sheave speed, magnetic-sensing formula speed sensor detects the wire wheel rotational speed and descends, and then PLC control electric throttle valve reduces the flow, and hydraulic motor speed reduces, and then traction sheave speed reduces, because there is hydraulic system originally on the tensioner, only need draw forth on the hydraulic system on the tensioner this kind of hydraulic circuit can, simple structure, the shortcoming that original pay off rack consumes artifical, the security is not enough has been solved completely.
Drawings
FIG. 1 is a view of the pay-off stand of the present invention;
fig. 2 is a view of the hydraulic system of the present invention.
In the figure: the method comprises the following steps of 1-a pay-off rack, 2-a traction rope pulley, 3-a hydraulic motor, 4-a hydraulic system, 41-a hydraulic oil tank, 42-a hydraulic pump, 43-an overflow valve and 44-a throttle valve.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in the attached drawings 1 and 2, the pay-off rack special for the hydraulic traction rope comprises a tension machine and a pay-off rack 1, wherein the pay-off rack 1 is connected to the tension machine, the pay-off rack 1 is provided with a traction rope wheel 2 and a hydraulic motor 3, the hydraulic motor 3 is in driving connection with the traction rope wheel 2, the tension machine is provided with a hydraulic system 4, and the hydraulic system 4 is connected with the hydraulic motor 3 through a pipeline. The hydraulic system 4 comprises a hydraulic oil tank 41, a hydraulic pump 42 and a control system, a throttle valve 44 is arranged on a pipeline of the hydraulic pump 42 connected with the hydraulic motor 3, the hydraulic motor 3 is connected with the hydraulic oil tank 41 through a pipeline, and the control system is electrically connected with the throttle valve 44.
The utility model discloses be equipped with the hydraulic system 4 that the fuel engine provided power on the tensioner, drive through hydraulic system 4 and hydraulic motor 3 and pull rope sheave 2, the wire wheel that the tractor passes through traction drive tensioner rotates, control system detects the speed of wire wheel, and then control hydraulic motor 3's slew velocity, hydraulic motor 3's speed is by control system control hydraulic system 4 indirect control, can not pile up or twine because of the haulage rope that appears that 2 inertia rotational speeds of traction rope sheave are too fast, produce the condition similar to engine braking. The whole process automatically adjusts the speed according to the rotating speed of the traction machine driving wire guide wheel without manual participation, and the mechanical overheating locking condition can not occur due to the fact that the oil liquid of the hydraulic system 4 flows in the system for heat dissipation.
The throttle valve 44 is an electric throttle valve, and an overflow valve 43 is arranged at the upstream of the throttle valve 44. The electric throttle valve adopts an FKCS-03 electric throttle valve, the control system comprises a controller and a rotating speed sensor, the rotating speed sensor is a magnetic-sensing rotating speed sensor, and the controller is a PLC (programmable logic controller).
The hydraulic motor 3 is a GM1-320 hydraulic motor. The rotating speed sensor is electrically connected with the controller, and the controller is electrically connected with the electric throttle valve.
The rotating speed of the hydraulic motor 3 is controlled by combining the throttling valve 44 and the overflow valve 43 in the hydraulic system 4, the rotating speed sensor is installed on a wire wheel bracket of the tensioner to detect the rotating speed of the wire wheel, a plurality of permanent magnets are only needed to be placed on one side of the wire wheel to be matched with the magnetic-sensing type rotating speed sensor for measurement, the rotating speed sensor transmits signals to the PLC, the PLC controls the electric throttling valve to regulate flow through an internal program, and the rotating speed of the hydraulic motor 3 changes accordingly.
When the speed that appears is faster than the condition of unwrapping wire speed because traction sheave 2 changes the tractor speed, magnetic-sensing formula speed sensor detects the wire wheel rotational speed and descends, and then PLC control electric throttle valve reduces the flow, hydraulic motor 3 speed reduces, and then traction sheave 2 speed reduces, because there is hydraulic system originally on the tensioner, only need draw forth this kind of hydraulic pressure pipeline on the hydraulic system on the tensioner can, moreover, the steam generator is simple in structure, the shortcoming that original pay off rack consumes the manual work, the security is not enough has been solved completely.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (5)
1. The pay-off stand special for the hydraulic traction rope comprises a tensioner and a pay-off stand, wherein the pay-off stand is connected to the tensioner, and is characterized in that a traction rope wheel and a hydraulic motor are arranged on the pay-off stand, the hydraulic motor is connected with the traction rope wheel in a driving mode, the tensioner is provided with a hydraulic oil tank, a hydraulic pump, a control system, the hydraulic pump is connected with the hydraulic motor, a throttle valve is arranged on a pipeline of the hydraulic pump connected with the hydraulic motor, an overflow valve is arranged on the upper portion of the throttle valve, and the control system is respectively.
2. The pay-off stand special for the hydraulic traction rope as claimed in claim 1, wherein the throttle valve is an electric throttle valve.
3. The pay-off stand special for the hydraulic traction rope as claimed in claim 1, wherein the control system comprises a controller and a rotation speed sensor, the rotation speed sensor is a magnetic-sensing rotation speed sensor, the rotation speed sensor is mounted on a wire guide wheel bracket of the tensioner, and the controller is a PLC controller.
4. The pay-off stand special for the hydraulic traction rope as claimed in claim 2, wherein the hydraulic motor is a GM1-320 hydraulic motor.
5. The pay-off stand special for the hydraulic traction rope as claimed in claim 3, wherein the rotation speed sensor is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920498977.9U CN210619802U (en) | 2019-04-12 | 2019-04-12 | Pay-off rack special for hydraulic traction rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920498977.9U CN210619802U (en) | 2019-04-12 | 2019-04-12 | Pay-off rack special for hydraulic traction rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210619802U true CN210619802U (en) | 2020-05-26 |
Family
ID=70762353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920498977.9U Active CN210619802U (en) | 2019-04-12 | 2019-04-12 | Pay-off rack special for hydraulic traction rope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210619802U (en) |
-
2019
- 2019-04-12 CN CN201920498977.9U patent/CN210619802U/en active Active
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