CN213836586U - Trash remover with narrow lifting space for trash rack surface and hydraulic structure - Google Patents
Trash remover with narrow lifting space for trash rack surface and hydraulic structure Download PDFInfo
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- CN213836586U CN213836586U CN202022405730.3U CN202022405730U CN213836586U CN 213836586 U CN213836586 U CN 213836586U CN 202022405730 U CN202022405730 U CN 202022405730U CN 213836586 U CN213836586 U CN 213836586U
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- wire rope
- steel wire
- pulley block
- remover
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 126
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000004804 winding Methods 0.000 claims abstract description 25
- 238000004140 cleaning Methods 0.000 abstract description 23
- 238000011144 upstream manufacturing Methods 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000005202 decontamination Methods 0.000 abstract description 2
- 230000003588 decontaminative effect Effects 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 abstract 2
- 210000000078 claw Anatomy 0.000 description 20
- 239000003921 oil Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 1
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Abstract
The utility model discloses a trash remover with narrow lifting space between a trash rack surface and a hydraulic structure, the sewage cleaning machine is characterized in that a steel wire rope tension balancing mechanism of a hoisting mechanism is arranged at the lower part of a winding drum of the hoisting mechanism, pulleys of a movable pulley block of the hoisting mechanism are separately arranged on a sewage cleaning grab bucket, and the rotation plane of the pulley is parallel to the trash rack surface, the positions of the original steel wire rope tension balancing mechanism and the movable pulley block are changed, the winding type of the steel wire rope is changed, under the condition of ensuring that the position of a pulley block lifting point of the trash remover is not changed, the spatial position of the steel wire rope is arranged towards the downstream side, thereby solving the problem of interference between a steel wire rope wound into the movable pulley block from the upstream side and a hydraulic structure in front of the gate, avoiding the problem that the lifting capacity of a lifting mechanism is also increased due to the increase of the balance weight of the grab bucket, reducing the construction cost, the method is a technology with wide applicability and economical efficiency in the decontamination and reconstruction of old power stations.
Description
Technical Field
The utility model belongs to a equipment of decontaminating that power station was used for cleaing away power station hydraulic turbine water inlet trash rack bar face filth.
Background
The water inlet of the hydraulic turbine of the hydropower station is generally provided with the trash rack, in order to ensure smooth water flow of the trash rack, dirt attached to the front of the trash rack and the surface of the trash rack needs to be removed, the trash rack is prevented from being blocked by the dirt, water head loss is avoided, the safety of the trash rack is endangered in serious cases, and the trash removal by using the trash remover is a common method. In the prior art, a plurality of pulleys of a movable pulley block of a lifting mechanism of a trash remover are integrally designed, in order to meet the requirement of winding and arranging a multi-multiplying-power steel wire rope, a pulley rotating plane and a trash rack grid surface are arranged in a vertical mode, and meanwhile, in order to meet the requirement that a grab bucket frame can vertically face downwards when a grab bucket claw of the trash removing grab bucket is opened, the opening for grabbing dirt by a rotating grab claw and a fixed grab claw of the grab bucket is the largest, and the position of a lifting point of the movable pulley block needs to be arranged towards the upstream side relative to the center line of the grab bucket frame. In some old power stations, the lifting space between the surface of the trash rack and the hydraulic structure in front of the trash rack is narrow, so that when the trash remover works in water, the steel wire rope wound into the movable pulley block from the upstream side interferes with the hydraulic structure in front of the grid, the normal work of the trash remover is seriously influenced, and even potential safety hazards are brought to the safe operation of the steel wire rope of the trash remover, in order to prevent the interference between the steel wire rope wound into the movable pulley block from the upstream side and the hydraulic structure in front of the gate, the lifting point of the movable pulley block needs to be arranged towards the downstream side relative to the central line of the grab frame, therefore, in order to ensure that the grab bucket frame can vertically move downwards when the grab claws of the trash-cleaning grab bucket are opened and ensure that the opening of the rotating grab claws and the fixed grab claws of the grab bucket for grabbing trash is the largest, the balance weight of the grab bucket needs to be increased, therefore, the lifting capacity of the lifting mechanism is increased, the stress of the whole machine is also increased, and the construction cost is greatly increased.
Disclosure of Invention
Based on the problems of the prior art, the utility model aims to design a trash remover with a small hoisting space between a trash rack surface and a hydraulic structure, wherein a steel wire rope of a hoisting mechanism of the trash remover adopts multiple multiplying power, a steel wire rope tension balancing mechanism of the hoisting mechanism is arranged at the lower part of a hoisting mechanism reel, a pulley of a movable pulley block of the hoisting mechanism is separately arranged on a trash removing grab bucket, the rotating plane of the pulley is parallel to the trash rack surface, the winding type of the steel wire rope is changed by changing the positions of the original steel wire rope tension balancing mechanism and the movable pulley block, the spatial position of the steel wire rope is arranged to the downstream side as much as possible under the condition of ensuring that the hanging point position of the pulley block of the trash remover is not changed, so that the problem that the interference between the steel wire rope wound into the pulley block from the upstream side and the hydraulic structure in front of the trash rack is solved, and the problem that the hoisting capacity of the hoisting mechanism needs to be increased due to increase the balance weight of the grab bucket is avoided, the construction cost is reduced, so that the method has wide applicability and economic technology in the decontamination reconstruction of old power stations.
The purpose of the invention is realized by the following technical scheme: the utility model provides a trash cleaning machine that trash rack bars face and hydraulic structure lift by crane narrow and small space, includes frame, hoisting mechanism, electrical control system and trash cleaning grab bucket, its characterized in that hoisting mechanism's wire rope adopts the multiple times winding, and hoisting mechanism's wire rope tension balance mechanism installs in the lower part of hoisting mechanism reel, and hoisting mechanism moves the pulley of assembly pulley and separately sets up on trash cleaning grab bucket, and the rotation plane of pulley is parallel with trash rack bars face, avoids hoisting mechanism's wire rope and hydraulic structure to interfere.
The trash remover with the small lifting space between the trash rack surface and the hydraulic structure is characterized in that the steel wire rope tension balancing mechanism is in the form of a balancing pulley.
The trash remover with the small lifting space between the trash rack surface and the hydraulic structure is characterized in that the steel wire rope tension balancing mechanism is in a balance lever type.
The trash remover with the small lifting space between the trash rack surface and the hydraulic structure is characterized in that the movable pulley block of the lifting mechanism consists of at least 2 pulleys.
The trash cleaning machine is characterized in that the bucket claws of the trash cleaning grab bucket are opened and closed by a hydraulic system. The hydraulic system may be a set of hydraulically driven opening and closing devices. The hydraulic drive opening and closing device can mainly comprise a hydraulic pump station, a hydraulic pipeline and a hydraulic oil cylinder, and hydraulic oil output by the hydraulic pump station is driven by the hydraulic oil cylinder to open and close the bucket claws.
The trash remover with the small lifting space between the trash rack surface and the hydraulic structure is characterized in that a bucket rake of the trash removing grab bucket is composed of a rotatable rotating rake claw and a fixed rake claw fixed on a grab bucket frame.
Drawings
FIG. 1 is a front view and a side view of a prior art trash remover
FIG. 2 is a schematic layout of a trash remover, a trash rack and a hydraulic structure in the prior art
FIG. 3 is a front view and a side view of a trash remover according to a first embodiment of the present invention
FIG. 4 is a schematic view of the arrangement of the trash remover, the trash rack and the hydraulic structure according to the first embodiment of the present invention
FIG. 5 is a front view and a side view of a second embodiment of the invention
Fig. 6 is a schematic layout view of the trash remover, the trash rack and the hydraulic structure according to the second embodiment of the present invention.
Detailed Description
Fig. 1 is a front view and a side view of a trash cleaning grab bucket in the prior art, and mainly comprises an electric control system 1, a frame 2, a balance pulley 31, a winding drum 32, a lifting mechanism driving system 33, a lifting steel wire rope 34, a lifting movable pulley block 35, a grab bucket frame 41, a guide device 42, a hydraulic pump station 43, a fixed rake claw 44, a rotating rake claw 45 and an opening and closing oil cylinder 46. The balance pulley 31, the winding drum 32, the lifting mechanism driving system 33, the lifting steel wire rope 34 and the lifting movable pulley block 35 form a lifting mechanism of the trash remover, the balance pulley 31 is a steel wire rope tension balance mechanism of the lifting mechanism, and the balance pulley 31 is arranged on the upper portion of the winding drum 32. The grab frame 41, the guide device 42, the hydraulic pump station 43, the fixed rake 44, the rotating rake 45 and the opening and closing oil cylinder 46 form a trash cleaning grab. The hydraulic pump station 43, the opening and closing oil cylinder 46 and the hydraulic pipeline form a hydraulic driving system for opening and closing the bucket claw. As can be seen from the front view, the steel wire rope of the lifting mechanism of the trash remover is wound by 2 multiplying powers, namely the lifting pulley block 35 consists of 2 pulleys which are jointly arranged on a movable pulley shaft and are designed as a whole. As can be seen from the side view, when the dirt cleaning grab bucket grabs dirt, in order to maximize the dirt grabbing openings of the rotating and fixed claws and not increase the balance weight of the grab bucket, the lifting point of the lifting pulley block 35 is arranged upstream relative to the center line of the grab bucket frame 41. Fig. 2 is a schematic layout diagram of a trash remover, a trash rack and a hydraulic structure in the prior art, wherein a part 5 is the hydraulic structure in front of the trash rack, a part 34 is a steel wire rope of a lifting mechanism of the trash remover, a part 6 is the trash rack, and a part 35 is a movable pulley block of the lifting mechanism of the trash remover. As can be seen from fig. 2, when the trash remover works, the rotating plane of the movable pulley block 35 of the lifting mechanism of the trash remover is perpendicular to the grid surface of the trash rack 6. Because the lifting space between the surface of the trash rack 6 and the hydraulic structure 5 is narrow, and the movable pulley block 35 is arranged at the upstream side relative to the central line of the grab bucket frame 41, the steel wire rope 34 wound around the movable pulley block 35 from the upstream side interferes with the hydraulic structure 5 in front of the trash rack, the normal work of the trash remover is seriously influenced, and potential safety hazards are brought to the safe operation of the steel wire rope of the trash remover.
Fig. 3 is a front view and a side view of a trash remover according to an embodiment of the present invention, which mainly comprises an electrical control system 1, a frame 2, a balance pulley 31, a winding drum 32, a hoisting mechanism driving system 33, a hoisting steel wire rope 34, a single pulley block 35, a single pulley block 36, a grab bucket rack 41, a guide device 42, a hydraulic pump station 43, a fixed rake 44, a rotating rake 45, and an opening and closing cylinder 46. The balance pulley 31, the winding drum 32, the lifting mechanism driving system 33, the lifting steel wire rope 34, the single-piece pulley block 35 and the single-piece pulley block 36 form a lifting mechanism of the trash remover, the balance pulley 31 is a steel wire rope tension balance mechanism of the lifting mechanism, the single-piece pulley block 35 and the single-piece pulley block 36 form a movable pulley block of the lifting mechanism, and the balance pulley 31 is arranged at the lower part of the winding drum 32. The grab frame 41, the guide device 42, the hydraulic pump station 43, the fixed rake 44 and the rotating rake 45 form a trash cleaning grab. The hydraulic pump station 43, the opening and closing oil cylinder 46 and the hydraulic pipeline form a hydraulic driving system for opening and closing the bucket claw. As can be seen from the front view, the steel wire rope of the lifting mechanism of the trash remover is wound by 2 multiplying powers, and the movable pulley block of the lifting mechanism consists of 2 single- piece pulley blocks 35 and 36 which are separately arranged. As can be seen from the side view, in order to maximize the dirt catching opening of the rotating claw and the fixed claw during dirt catching of the cleaning grab, the hanging point positions of the single-plate pulley block 35 and the single-plate pulley block 36 are arranged upstream relative to the center line of the grab frame 41 without adding a counterweight of the cleaning grab. Fig. 4 is the arrangement schematic diagram of the trash remover, the trash rack and the hydraulic structure according to the first embodiment of the present invention, in which the member 5 is the hydraulic structure before the trash rack, the member 34 is the wire rope of the hoisting mechanism of the trash remover, and the member 6 is the movable pulley block of the hoisting mechanism of the trash remover, the member 35 and the member 36. As can be seen from fig. 5, when the trash remover works, the rotation planes of the pulleys of the parts 35 and 36 of the movable pulley block of the lifting mechanism of the trash remover are parallel to the grid surface of the trash rack 6. Even if the lifting space between the grid surface of the trash rack 6 and the hydraulic structure 5 is narrow, and the lifting points of the single pulley block 35 and the single pulley block 36 are arranged upstream relative to the center line of the grab bucket frame 41, the single pulley block 35 and the single pulley block 36 are separately arranged, the pulley rotating plane is parallel to the grid surface of the trash rack 6, and the balance pulley 31 is arranged at the lower part of the winding drum 32, so that the winding pattern of the steel wire rope is changed, the lifting steel wire rope 34 can be furthest away from the hydraulic structure 5, and the interference between the steel wire rope 34 and the hydraulic structure 5 in front of the grid is avoided. Therefore, the wire rope tension balancing mechanism of the hoisting mechanism is arranged at the lower part of a winding drum of the hoisting mechanism, the pulleys of the movable pulley block of the hoisting mechanism are separately arranged on the trash cleaning grab bucket, the rotating plane of the pulleys is parallel to the trash rack surface, the positions of the original wire rope tension balancing mechanism and the movable pulley block are changed, the winding type of the wire rope is changed, the spatial position of the wire rope is arranged towards the downstream side under the condition that the hanging point position of the pulley block of the trash cleaning machine is not changed, the problem that the wire rope winding the movable pulley block from the upstream side interferes with the hydraulic structure in front of the trash rack is solved, the problem that the lifting capacity of the hoisting mechanism needs to be increased due to the increase of the balance weight of the grab bucket is avoided, the engineering cost is reduced, and the wire rope tension balancing mechanism has wide applicability and economic technology in the trash cleaning transformation of old power stations.
Fig. 5 is a front view and a side view of a trash remover according to an embodiment of the present invention, which mainly comprises an electrical control system 1, a frame 2, a balance lever 31, a winding drum 32, a hoisting mechanism driving system 33, a hoisting steel wire rope 34, a single pulley block 35, a single pulley block 36, a grab bucket rack 41, a guide device 42, a hydraulic pump station 43, a fixed rake 44, a rotating rake 45, and an opening and closing cylinder 46. The balance lever 31, the winding drum 32, the lifting mechanism driving system 33, the lifting steel wire rope 34, the single-piece pulley block 35 and the single-piece pulley block 36 form a lifting mechanism of the trash remover, the balance lever 31 is a steel wire rope tension balance mechanism of the lifting mechanism, the single-piece pulley block 35 and the single-piece pulley block 36 form a movable pulley block of the lifting mechanism, and the balance lever 31 is arranged at the lower part of the winding drum 32. The grab frame 41, the guide device 42, the hydraulic pump station 43, the fixed rake 44 and the rotating rake 45 form a trash cleaning grab. The hydraulic pump station 43, the opening and closing oil cylinder 46 and the hydraulic pipeline form a hydraulic driving system for opening and closing the bucket claw. As can be seen from the front view, the steel wire rope of the lifting mechanism of the trash remover is wound by 2 multiplying powers, and the movable pulley block of the lifting mechanism consists of 2 single- piece pulley blocks 35 and 36 which are separately arranged. As can be seen from the side view, in order to maximize the dirt catching opening of the rotating claw and the fixed claw during dirt catching of the cleaning grab, the hanging point positions of the single-plate pulley block 35 and the single-plate pulley block 36 are arranged upstream relative to the center line of the grab frame 41 without adding a counterweight of the cleaning grab. Fig. 6 is the arrangement schematic diagram of the trash remover, the trash rack and the hydraulic structure according to the first embodiment of the present invention, in which the member 5 is the hydraulic structure before the trash rack, the member 34 is the wire rope of the hoisting mechanism of the trash remover, and the member 6 is the movable pulley block of the hoisting mechanism of the trash remover, the member 35 and the member 36. As can be seen from fig. 6, when the trash remover works, the rotation planes of the pulleys of the parts 35 and 36 of the movable pulley block of the lifting mechanism of the trash remover are parallel to the grid surface of the trash rack 6. Even if the lifting space between the grid surface of the trash rack 6 and the hydraulic structure 5 is narrow, and the lifting points of the single pulley block 35 and the single pulley block 36 are arranged upstream relative to the center line of the grab bucket frame 41, the single pulley block 35 and the single pulley block 36 are separately arranged, the pulley rotating plane is parallel to the grid surface of the trash rack 6, and the balance lever 31 is arranged at the lower part of the winding drum 32, so that the winding pattern of the steel wire rope is changed, the lifting steel wire rope 34 can be furthest away from the hydraulic structure 5, and the interference between the steel wire rope 34 and the hydraulic structure 5 in front of the grid is avoided. Therefore, the wire rope tension balancing mechanism of the hoisting mechanism is arranged at the lower part of a winding drum of the hoisting mechanism, the pulleys of the movable pulley block of the hoisting mechanism are separately arranged on the trash cleaning grab bucket, the rotating plane of the pulleys is parallel to the trash rack surface, the positions of the original wire rope tension balancing mechanism and the movable pulley block are changed, the winding type of the wire rope is changed, the spatial position of the wire rope is arranged towards the downstream side under the condition that the hanging point position of the pulley block of the trash cleaning machine is not changed, the problem that the wire rope winding the movable pulley block from the upstream side interferes with the hydraulic structure in front of the trash rack is solved, the problem that the lifting capacity of the hoisting mechanism needs to be increased due to the increase of the balance weight of the grab bucket is avoided, the engineering cost is reduced, and the wire rope tension balancing mechanism has wide applicability and economic technology in the trash cleaning transformation of old power stations.
Claims (6)
1. A trash remover with a narrow hoisting space for a trash rack grid surface and a hydraulic structure comprises a rack, a hoisting mechanism, an electrical control system and a trash removing grab bucket and is characterized in that a steel wire rope of the hoisting mechanism is wound by multiple times, a steel wire rope tension balancing mechanism of the hoisting mechanism is installed on the lower portion of a winding drum of the hoisting mechanism, pulleys of a movable pulley block of the hoisting mechanism are arranged on the trash removing grab bucket in a split mode, a rotating plane of each pulley is parallel to the trash rack grid surface, and interference of the steel wire rope of the hoisting mechanism and the hydraulic structure is avoided.
2. The trash remover as claimed in claim 1, wherein the wire rope tension balancing mechanism is in the form of a balance pulley.
3. The trash remover as claimed in claim 1, wherein the wire rope tension balancing mechanism is in the form of a balance lever.
4. The trash remover of claim 1, wherein the movable pulley set of the lifting mechanism comprises at least 2 pulleys.
5. The trash remover with the small lifting space between the trash rack surface and the hydraulic structure as claimed in claim 1, wherein the opening and closing of the rake of the trash removing grab bucket are driven by a hydraulic system.
6. The trash remover with small lifting space between the trash rack surface and the hydraulic structure as claimed in claim 1, wherein the rake of the trash removing grab bucket is composed of a rotatable rake and a fixed rake fixed on the grab rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022405730.3U CN213836586U (en) | 2020-10-26 | 2020-10-26 | Trash remover with narrow lifting space for trash rack surface and hydraulic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022405730.3U CN213836586U (en) | 2020-10-26 | 2020-10-26 | Trash remover with narrow lifting space for trash rack surface and hydraulic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213836586U true CN213836586U (en) | 2021-07-30 |
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ID=77011103
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022405730.3U Active CN213836586U (en) | 2020-10-26 | 2020-10-26 | Trash remover with narrow lifting space for trash rack surface and hydraulic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213836586U (en) |
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2020
- 2020-10-26 CN CN202022405730.3U patent/CN213836586U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210823 Address after: 410004 Room 501, complex building, No. 188, Wuling Road, Tianxin District, Changsha City, Hunan Province Patentee after: Hunan Diantou Shuicheng Technology Co.,Ltd. Address before: 450000 shuxianghuafu, intersection of Mingli road and Yaoqiao Road, Zhengdong New District, Zhengzhou City, Henan Province Patentee before: Li Ji |
|
| TR01 | Transfer of patent right |