CN211116850U - Automatic fluid infusion tensioning device - Google Patents
Automatic fluid infusion tensioning device Download PDFInfo
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- CN211116850U CN211116850U CN201922190784.XU CN201922190784U CN211116850U CN 211116850 U CN211116850 U CN 211116850U CN 201922190784 U CN201922190784 U CN 201922190784U CN 211116850 U CN211116850 U CN 211116850U
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- 239000012530 fluid Substances 0.000 title claims abstract description 15
- 238000001802 infusion Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000002637 fluid replacement therapy Methods 0.000 claims 4
- 238000004146 energy storage Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 42
- 238000010586 diagram Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The utility model discloses an automatic fluid infusion tensioning device, including tensioning tailwheel, tensioning hydro-cylinder, the crooked wheel of tensioning, liquid accuse hydraulic pressure station and energy storage ware, wherein liquid accuse hydraulic pressure station includes oil tank, filter, electric oil pump, smart filter, tribit cross solenoid directional valve A, check valve, tribit cross solenoid directional valve B, safety brake, pressure transmitter A, pressure transmitter B, overflow valve A, overflow valve B, tribit cross hand-operated directional valve, liquid accuse check valve, stop valve; the connection relationship between them is as follows: the tensioning skewed wheel is connected to a tensioning oil cylinder through a tensioning tail wheel by a steel wire rope, an A port of the three-position four-way manual reversing valve is connected with a rear cavity of the tensioning oil cylinder, a B port of the three-position four-way manual reversing valve is divided into two paths, one path is connected with a front cavity of the tensioning oil cylinder through a hydraulic control one-way valve, and the other path is connected with an energy accumulator. When the tensile force is not enough, the utility model discloses can guarantee wire rope's tensile force to energy storage ware and tensioning hydro-cylinder fluid infusion under the condition of not stopping, avoid the tractor phenomenon of being out of control.
Description
Technical Field
The utility model relates to a overspeed device tensioner, an automatic fluid infusion overspeed device tensioner specifically says so.
Background
The underground coal mine rail transportation system mainly depends on an endless rope continuous tractor or a steel wire rope traction rail clamping vehicle, most of tensioning devices in the endless rope continuous tractor and the steel wire rope traction rail clamping vehicle adopt hydraulic tensioning, hydraulic tensioning mainly depends on an energy accumulator to supplement liquid for an oil cylinder in the hydraulic tensioning device to achieve automatic tensioning and tensioning of a tail wheel, when the tensioning force is insufficient, only stopping is performed, and liquid is supplemented for the energy accumulator by a hydraulic station, so that the steel wire rope can be tensioned again. The tensioning mode has short tensioning distance and unreliable tensioning, and the phenomenon of runaway and runaway of the tractor can be caused by the slippage of the steel wire rope.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic fluid infusion overspeed device tensioner to solve the not enough time of tensile force that prior art exists, can only park, lean on the hydraulic pressure station to give the accumulator fluid infusion, could realize the problem of tensioning to wire rope once more.
The utility model discloses a following technical scheme realizes:
the automatic fluid infusion tensioning device comprises a tensioning tail pulley, a tensioning oil cylinder, a tensioning skewed wheel, a hydraulic control hydraulic station and an energy accumulator, wherein the hydraulic control hydraulic station comprises an oil tank, a filter, an electric oil pump, a fine filter, a three-position four-way electromagnetic reversing valve A, a one-way valve, a three-position four-way electromagnetic reversing valve B, a safety brake, a pressure transmitter A, a pressure transmitter B, an overflow valve A, an overflow valve B, a three-position four-way manual reversing valve, a hydraulic control one-way valve and a stop valve; the connection relationship between them is as follows: the tensioning skewed wheel is connected to a tensioning oil cylinder through a tensioning tail wheel by a steel wire rope, the inlet of an electric oil pump is connected with an oil tank through a filter, the outlet of the electric oil pump is connected with a P port of a three-position four-way electromagnetic reversing valve A through a fine filter, the A port of the three-position four-way electromagnetic reversing valve A is divided into three paths, the first path is connected with a safety brake through a one-way valve and the three-position four-way electromagnetic reversing valve B, the second path is connected with the oil tank through an overflow valve A, the third path is connected with a pressure transmitter A, the P port of the three-position four-way manual reversing valve is divided into two paths, one path is connected with a B port of the three-position four-way electromagnetic reversing valve A, the other path is connected with the oil tank through the overflow valve B, the T port of the three-position four-way manual reversing valve is divided into two paths, one path is connected with the, one path is connected with the front cavity of the tensioning oil cylinder through a hydraulic control one-way valve, and the other path is connected with an energy accumulator.
According to the automatic fluid infusion tensioning device, the oil tank is provided with the liquid level meter.
According to the automatic liquid supplementing and tensioning device, the oil tank is provided with the air filter element.
According to the automatic fluid infusion tensioning device, the electric oil pump comprises the oil pump and the motor, and the input shaft of the oil pump is connected with the output shaft of the motor through the coupling.
According to the automatic fluid infusion tensioning device, a pipeline communicated between the stop valve and the pressure transmitter B is a high-pressure hose.
The utility model has the advantages that: when the tensile force is not enough, the utility model discloses can guarantee wire rope's tensile force to energy storage ware and tensioning hydro-cylinder fluid infusion under the condition of not stopping, avoid the tractor phenomenon of being out of control.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is a working schematic diagram of the present invention.
Reference numerals: the system comprises a tensioning tail wheel 1, a tensioning oil cylinder 2, a tensioning skew wheel 3, a hydraulic control hydraulic station 4, an energy accumulator 5, an oil tank 6, a filter 7, an electric oil pump 8, a fine filter 9, a three-position four-way electromagnetic directional valve A10, a check valve 11, a three-position four-way electromagnetic directional valve B12, a safety brake 13, a pressure transmitter A14, a pressure transmitter B15, an overflow valve A16, an overflow valve B17, a three-position four-way manual directional valve 18, a hydraulic control check valve 19, a stop valve 20, a liquid level meter 21, an air filter core 22, an oil pump 23, a motor 24 and a coupling 25.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the automatic fluid infusion tensioning device comprises a tensioning tail pulley 1, a tensioning oil cylinder 2, a tensioning skewed pulley 3, a hydraulic control hydraulic station 4 and an energy accumulator 5, wherein the hydraulic control hydraulic station 4 comprises an oil tank 6, a filter 7, an electric oil pump 8, a fine filter 9, a three-position four-way electromagnetic directional valve a10, a check valve 11, a three-position four-way electromagnetic directional valve B12, a safety brake 13, a pressure transmitter a14, a pressure transmitter B15, an overflow valve a16, an overflow valve B17, a three-position four-way manual directional valve 18, a hydraulic control check valve 19 and a stop valve 20; the connection relationship between them is as follows: the tensioning skew wheel 3 is connected to a tensioning oil cylinder 2 through a tensioning tail wheel 1 by a steel wire rope, the inlet of an electric oil pump 8 is connected with an oil tank 6 through a filter 7, the outlet of the electric oil pump 8 is connected with the P port of a three-position four-way electromagnetic reversing valve A10 through a fine filter 9, the A port of the three-position four-way electromagnetic reversing valve A10 is divided into three paths, the first path is connected with a safety brake 13 through a check valve 11 and a three-position four-way electromagnetic reversing valve B12, the second path is connected with the oil tank 6 through an overflow valve A16, the third path is connected with a pressure transmitter A14, the P port of the three-position four-way manual reversing valve 18 is divided into two paths, one path is connected with the B port of the three-position four-way electromagnetic reversing valve A10, the other path is connected with the oil tank 6 through an overflow valve B17, the T port of the three-position four-way manual reversing valve A10 is divided into two paths, the, the port B of the three-position four-way manual reversing valve 18 is divided into two paths, one path is connected with the front cavity of the tensioning oil cylinder 2 through a hydraulic control one-way valve 19, and the other path is connected with the energy accumulator 5. When the automatic tensioning device is used, when the pressure of the pressure transmitter B15 is reduced, the main control box sends an instruction to control the three-position four-way electromagnetic directional valve A10 to change the direction, at the moment, hydraulic oil in the oil tank 6 replenishes liquid for the tensioning oil cylinder 3 and the energy accumulator 5 through the electric oil pump 8 and the three-position four-way electromagnetic directional valve A10, and automatic tensioning is achieved; when the tensioning oil cylinder 3 and the energy accumulator 5 are replenished with liquid, the safety brake 13 maintains pressure through the one-way valve 11, so that the safety brake 13 is normally opened, and the purpose of tensioning without stopping is achieved; when the tensile force is not enough, the utility model discloses can guarantee wire rope's tensile force to energy storage ware 5 and 3 fluid infusion of tensioning hydro-cylinder under the condition of not stopping, avoid the tractor phenomenon of being out of control.
Specifically, the tank 6 according to the present embodiment is mounted with a liquid level meter 21. The liquid level meter 21 is arranged to facilitate the control of the liquid level of the hydraulic oil in the oil tank 6.
Specifically, the oil tank 6 according to the present embodiment is provided with an air filter 22. The air filter 22 can remove the particulate impurities in the air, and thus can prevent the particulate impurities in the air from entering the oil tank 6.
Further, the electric oil pump 8 according to the present embodiment includes an oil pump 23 and a motor 24, and an input shaft of the oil pump 23 is connected to an output shaft of the motor 24 through a coupling 25. The electric oil pump 8 can be constituted by connecting the oil pump 23 and the motor 24 together by the above-described structure.
Furthermore, the pipeline for communicating between the stop valve 20 and the pressure transmitter B15 in the present embodiment is a high-pressure hose. The high pressure hose is a flexible pipeline that can bear high pressure, satisfies the utility model discloses to the user demand of intercommunication pipeline between stop valve 20 and pressure transmitter B15.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. Automatic fluid infusion overspeed device tensioner, its characterized in that: the tensioning hydraulic station comprises a tensioning tail pulley (1), a tensioning oil cylinder (2), a tensioning skew pulley (3), a hydraulic control hydraulic station (4) and an energy accumulator (5), wherein the hydraulic control hydraulic station (4) comprises an oil tank (6), a filter (7), an electric oil pump (8), a fine filter (9), a three-position four-way electromagnetic directional valve A (10), a check valve (11), a three-position four-way electromagnetic directional valve B (12), a safety brake (13), a pressure transmitter A (14), a pressure transmitter B (15), an overflow valve A (16), an overflow valve B (17), a three-position four-way manual directional valve (18), a hydraulic control check valve (19) and a stop valve (20); the connection relationship between them is as follows: the tensioning crooked wheel (3) is connected to a tensioning oil cylinder (2) through a tensioning tail wheel (1) by a steel wire rope, the inlet of an electric oil pump (8) is connected with an oil tank (6) through a filter (7), the outlet of the electric oil pump (8) is connected with a P port of a three-position four-way electromagnetic directional valve A (10) through a fine filter (9), the A port of the three-position four-way electromagnetic directional valve A (10) is divided into three paths, the first path is connected with a safety brake (13) through a one-way valve (11) and a three-position four-way electromagnetic directional valve B (12), the second path is connected to the oil tank (6) through an overflow valve A (16), the third path is connected with a pressure transmitter A (14), the P port of the three-position four-way manual directional valve (18) is divided into two paths, one path is connected with the B port of the three-position four-way electromagnetic directional valve A (10), the other path, one path is connected with a T port of a three-position four-way electromagnetic reversing valve A (10), the other path is connected with a pressure transmitter B (15) through a stop valve (20), the A port of the three-position four-way manual reversing valve (18) is connected with a rear cavity of the tensioning oil cylinder (2), the B port of the three-position four-way manual reversing valve (18) is divided into two paths, one path is connected with a front cavity of the tensioning oil cylinder (2) through a hydraulic control one-way valve (19), and the other path is connected with an energy accumulator (5).
2. The automatic fluid replacement tensioning device of claim 1, wherein: and a liquid level meter (21) is arranged on the oil tank (6).
3. The automatic fluid replacement tensioning device of claim 1, wherein: and an air filter element (22) is arranged on the oil tank (6).
4. The automatic fluid replacement tensioning device of claim 1, wherein: the electric oil pump (8) comprises an oil pump (23) and a motor (24), and an input shaft of the oil pump (23) is connected with an output shaft of the motor (24) through a coupling (25).
5. The automatic fluid replacement tensioning device of claim 1, wherein: and a pipeline communicated between the stop valve (20) and the pressure transmitter B (15) is a high-pressure hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922190784.XU CN211116850U (en) | 2019-12-10 | 2019-12-10 | Automatic fluid infusion tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922190784.XU CN211116850U (en) | 2019-12-10 | 2019-12-10 | Automatic fluid infusion tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211116850U true CN211116850U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922190784.XU Active CN211116850U (en) | 2019-12-10 | 2019-12-10 | Automatic fluid infusion tensioning device |
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| Country | Link |
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| CN (1) | CN211116850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148688A (en) * | 2021-11-11 | 2022-03-08 | 中建材创新科技研究院有限公司 | Drying machine and chain tensioning device thereof |
-
2019
- 2019-12-10 CN CN201922190784.XU patent/CN211116850U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114148688A (en) * | 2021-11-11 | 2022-03-08 | 中建材创新科技研究院有限公司 | Drying machine and chain tensioning device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic fluid replenishment tensioning device Effective date of registration: 20220310 Granted publication date: 20200728 Pledgee: Heze rural commercial bank Limited by Share Ltd. Pledgor: Shandong Yisheng Power Supply Mechanical and Electrical Equipment Co.,Ltd. Registration number: Y2022980002347 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200728 Pledgee: Heze rural commercial bank Limited by Share Ltd. Pledgor: Shandong Yisheng Power Supply Mechanical and Electrical Equipment Co.,Ltd. Registration number: Y2022980002347 |