CN113927540A - Special tool for disassembling and assembling main filter - Google Patents
Special tool for disassembling and assembling main filter Download PDFInfo
- Publication number
- CN113927540A CN113927540A CN202111343631.XA CN202111343631A CN113927540A CN 113927540 A CN113927540 A CN 113927540A CN 202111343631 A CN202111343631 A CN 202111343631A CN 113927540 A CN113927540 A CN 113927540A
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- Prior art keywords
- elbow
- special
- main filter
- trolley
- hydraulic lifting
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 4
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000010720 hydraulic oil Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000007689 inspection Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to the field of secondary maintenance of a converter station, in particular to a main filter dismounting and mounting tool for intercepting rigid particles from entering a valve body, which comprises a hydraulic lifting moving trolley, an adjustable platform, an inclined step and a special elbow clamp; the hydraulic lifting moving trolley lifts the chain through the hydraulic oil cylinder, and the chain pulls the pallet fork to enable the guide wheel on the pallet fork to move up and down along the trolley bracket; pattern steel plates are paved on the top surface of the adjustable platform, and the ground feet are supported by four adjusted heavy foot cups. The inclined steps are two pieces of rubber with certain inclination; a bolt hole is reserved in the channel steel of the special elbow clamp and used for installing a pipe stacking pipe seat, and the pipe stacking pipe seat can fix the elbow assembly. The elbow assembly clamping device can rapidly clamp the elbow assembly and take out the main filter, is used for occasions with small operation space and needing cooperation of multiple persons, achieves the effect of saving manpower and material resources, utilizes tools to replace manpower to reduce the danger in the disassembly process, and has the advantages of simple and reliable structure, easiness in manufacturing and cost saving.
Description
The technical field is as follows:
the invention belongs to the field of secondary overhaul of a converter station, and particularly relates to a main filter dismounting and mounting tool for intercepting rigid particles from entering a valve body.
Background art:
the valve cooling system is used as an important component of the converter valve, and the safe and reliable operation of the converter valve is directly influenced; in order to improve the reliability of a valve cooling system and prevent rigid particles which are possibly washed and shed by circulating cooling water in rapid flow from entering a valve body, a mechanical main filter is arranged in a water inlet pipeline of a main pipeline of the valve body; the main filter is made of a stainless steel filter element with standard mesh and small water resistance; when the cold system operation of valve is a period of time, need artifical when annual inspection dismantle the main filter in the pipeline and wash to clear away the dirt on the filter core, the installation recovers after the washing is accomplished, thereby improves the reliability of the cold system of valve.
At present, the dismantlement of main filter needs artifical the completion, at the dismantlement elbow in-process, and on the one hand, the elbow subassembly is often heavier, needs the more than 3 people to coordinate the dismantlement usually, and two people hold and alone pine bolt. On the other hand, the elbow subassembly receives the restriction in space, and is limited in the space of dismantling main filter to material such as support in addition takes a lot of effort when dismantling, is unfavorable for many people's work, consequently needs a main filter to dismantle specialized tool with the dismantlement of convenient main filter urgently to need to make.
The invention content is as follows:
the purpose of the invention is as follows:
the invention provides a special tool for disassembling and assembling a main filter, and aims to solve the problems that the space of the main filter is limited and manual disassembly is inconvenient.
The technical scheme is as follows:
a main filter dismantles and installs the specialized tool, should dismantle and install the specialized tool and is suitable for DN250 pipeline elbow dismantlement of the valve cooling system, characterized by that, dismantle and install the specialized tool and is made up of four parts of hydraulic pressure lifting travelling car, adjustable platform, oblique step and special clamp of elbow; one side of the adjustable platform is in butt joint with a platform of the valve cooling system, and the other side of the adjustable platform is in butt joint with the top of the slope step; the special elbow clamp is lapped on a fork of the hydraulic lifting moving trolley, and a steering wheel of the hydraulic lifting moving trolley is supported by the adjustable platform.
In the hydraulic lifting moving trolley, a trolley bracket is of a cuboid frame structure, a mounting hanging plate is connected with a front vertical frame of the trolley bracket through a pair of oppositely staggered guide wheels, and the vertical end of an L-shaped fork is fixed on the mounting hanging plate; the hydraulic cylinder is fixed on the trolley bracket through a cross beam of the trolley bracket, and a thick chain on the hydraulic cylinder is connected with the pallet fork through a hinge; the bottom end of the trolley bracket is connected with the wheels through front and back fork legs.
The two mounting hanging plates are respectively mounted on the left side and the right side of the trolley bracket, and the shaft of the guide wheel is fixed on the mounting hanging plates; the guide wheel rolls up and down along the front vertical frame rail of the trolley bracket; the steering wheel is provided with a locking device.
The adjustable platform is formed by welding integral channel steel, a pattern steel plate is paved on the top surface, and four corners of the adjustable platform are four heavy foot cups with adjustable heights.
The special elbow clamp is formed by welding channel steel, and bolt holes for mounting pipe codes and pipe seats are reserved in the channel steel; the radian of the pipe code and the pipe seat is matched with the elbow, the pipe code is formed by bending a 304 stainless steel pipe, and the pipe code is turned with thread teeth.
The inclined steps are two pieces of rubber with the inclination of 30 degrees and the height of 175 mm.
The lifting capacity of the hydraulic lifting movable trolley is not more than 100kg, and the specification of the hydraulic cylinder is 1 ton.
The hydraulic lifting moving trolley and the adjustable platform are placed in front of a valve cooling system platform, and four heavy foot cups of the adjustable platform are adjusted to enable the adjustable platform to be at the same height as the platform of the valve cooling system; fixing an inclined step in front of the adjustable platform, and pushing the hydraulic lifting moving trolley to the adjustable platform and a platform of the valve cooling system through the inclined step; the hydraulic cylinder is lifted and tensions the coarse chain, the pallet fork is lifted by the coarse chain along with the guide wheel, the corresponding height of the pallet fork to the elbow is adjusted, the elbow component is fixed by a pipe code and a pipe seat on a special elbow fixture, the gravity of the elbow component is completely unloaded onto the hydraulic lifting moving trolley, and a flange bolt on the elbow component is loosened after potential safety hazards are eliminated; the elbow assembly is pulled out by using the special elbow fixture and the hydraulic lifting mobile trolley to take out the main filter, so that the filter element on the main filter can be cleaned; after cleaning, the elbow component is reinstalled by utilizing the special elbow fixture and the hydraulic lifting moving trolley.
The potential safety hazards comprise the placing position of the hydraulic lifting moving trolley, the connection condition of the special elbow clamp, the operation condition of the whole special tool and the fact that other tools cannot exist in the surrounding space of the inspection.
The advantages and effects are as follows:
the invention has the following advantages and beneficial effects:
1. the special tool for disassembling and assembling the main filter can quickly clamp the elbow component, take out the main filter and clean dirt on the filter element of the main filter, can be used in occasions with small operation space and requiring cooperation of multiple persons, and can achieve the effect of saving manpower and material resources.
2. The tool is used for replacing manpower to reduce the danger in the disassembly process, and the tool is simple and reliable in structure, easy to manufacture, cost-saving, easy to replace, low in investment and long in service life.
Description of the drawings:
FIG. 1 is a schematic structural view of a main filter disassembling tool of the main structure of the invention;
FIG. 2 is a schematic structural view of a hydraulic lifting travelling trolley of the invention;
FIG. 3 is a schematic view of an adjustable platform according to the present invention;
FIG. 4 is a schematic diagram of an inclined step structure according to the present invention;
fig. 5 is a schematic structural view of the special elbow clamp of the invention.
Description of reference numerals: the hydraulic lifting movable trolley comprises a hydraulic lifting movable trolley 1, a trolley support 11, a mounting hanging plate 12, a pallet fork 13, a hydraulic cylinder 14, a thick chain 15, a guide wheel 16, a fork leg 17, a walking wheel 18, an adjustable platform 2, a pattern steel plate 21, a heavy foot cup 22, an inclined step 3, an elbow special fixture 4, a pipe seat 41 and a pipe code 42.
The specific implementation mode is as follows:
to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in figure 1, the special tool for disassembling and assembling the main filter is suitable for disassembling DN250 pipeline elbows of a valve cooling system, and is characterized by comprising a hydraulic lifting moving trolley 1, an adjustable platform 2, an inclined step 3 and an elbow special clamp 4; the hydraulic lifting moving trolley 1 comprises a fork 13, a thick chain 15, a hydraulic cylinder 14, a trolley support 11, fork legs 17 and guide wheels 16, the thick chain 15 is lifted through the hydraulic cylinder 14, and the thick chain 15 pulls the fork 13 to enable the guide wheels 16 on the fork 13 to move up and down along the trolley support 11; the adjustable platform 2 is formed by welding integral channel steel, a pattern steel plate 21 is paved on the top surface, and the ground feet are supported by four adjustable heavy foot cups 22. The inclined step 3 is made of two pieces of rubber with certain inclination; the special elbow fixture 4 is formed by welding channel steel, a bolt hole is reserved in the channel steel and used for installing a pipe code 42 pipe seat 41, and the pipe code 42 pipe seat 41 can fix an elbow assembly.
As shown in fig. 2, the hydraulic lifting moving trolley 1 is composed of a fork 13, a thick chain 15, a hydraulic cylinder 14, a trolley support 11, a fork leg 17, a guide wheel 16 and a steering wheel 18, the thick chain 15 is lifted by the hydraulic cylinder 14, the thick chain 15 pulls the fork 13, and the guide wheel 16 on the fork 13 moves up and down along the trolley support 11.
As shown in figure 3, the adjustable platform 2 is formed by welding integral channel steel, a pattern steel plate 21 is paved on the top surface, the ground feet are supported by four heavy-duty foot cups 22 for adjustment, and the height of the platform can be adjusted up and down.
As shown in figure 4, the inclined step 3 is made of two pieces of rubber with the inclination of 30 degrees and the height of 175mm, the inclined surface does not slip, and the trolley can be conveniently lifted and moved up and down.
As shown in fig. 5, the special elbow fixture 4 is formed by welding channel steel, a bolt hole is reserved in the channel steel and used for installing the pipe code 42 pipe seat 41, the pipe code 42 pipe seat 41 can fix an elbow component, the pipe seat is machined and finished, has a certain radian and is matched with an elbow, the pipe code 42 is formed by bending a 304 stainless steel pipe, and the pipe code 42 is turned with a thread tooth and can be fixed by a bolt.
The specific implementation mode comprises the following steps: firstly, the hydraulic lifting moving trolley 1 and the adjustable platform 2 are placed at the appointed positions in front of a valve cooling system platform, and four heavy foot cups 22 of the adjustable platform 4 are adjusted to enable the adjustable platform 2 and the valve cooling system platform to be at the same height; secondly, fixing an inclined step 3 in front of the adjustable platform 2, and pushing the hydraulic lifting moving trolley 1 onto the adjustable platform 2 and a platform of a valve cooling system through the inclined step 3; then a hydraulic cylinder 14 is stepped by a foot, the hydraulic cylinder 14 is lifted and tensions a coarse chain 15, a pallet fork 13 is lifted by the coarse chain 15 along with a guide wheel 16, the pallet fork 13 is adjusted to a certain height, an elbow component is fixed by a pipe socket 41 of a pipe code 42 on an elbow special fixture 4, the gravity of the elbow component is completely unloaded onto the hydraulic lifting moving trolley 1, and after all potential safety hazards are eliminated, flange bolts on the elbow component are loosened. Finally, the elbow component is pulled out by using the special elbow fixture 4 and the hydraulic lifting moving trolley 1 to take out the main filter, so that the filter element on the main filter can be cleaned; after cleaning, the elbow component is reinstalled by utilizing the special elbow fixture 4 and the hydraulic lifting moving trolley 1.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A main filter is dismantled and installed the specialized tool, should dismantle and install the specialized tool and is suitable for DN250 pipeline elbow dismantlement of the valve cooling system, characterized by that, dismantle and install the specialized tool and is made up of four parts of hydraulic pressure lifting moving dolly (1), adjustable platform (2), oblique step (3) and elbow specialized clamp (4); one side of the adjustable platform (2) is in butt joint with a platform of the valve cooling system, and the other side of the adjustable platform is in butt joint with the top of the inclined step (3); the special elbow clamp (4) is lapped on a pallet fork (13) of the hydraulic lifting moving trolley (1), and a steering wheel (18) of the hydraulic lifting moving trolley (1) is supported by the adjustable platform (2).
2. The special tool for disassembling and assembling the main filter is characterized in that in the hydraulic lifting moving trolley (1), a trolley bracket (11) is of a rectangular frame structure, a mounting hanging plate (12) is connected with a front vertical frame of the trolley bracket (11) through a pair of guide wheels (16) which are staggered oppositely, and the vertical end of an L-shaped fork (13) is fixed on the mounting hanging plate (12); the hydraulic cylinder (14) is fixed on the trolley bracket (11) through a cross beam of the trolley bracket (11), and a thick chain (15) on the hydraulic cylinder (14) is connected with the pallet fork (13) through a hinge; the bottom end of the trolley bracket (11) is connected with wheels through front and back fork legs (17).
3. The tool special for disassembling and assembling the main filter is characterized in that two installation hanging plates (12) are arranged and respectively arranged at the left side and the right side of a trolley bracket (11), and a shaft of a guide wheel (16) is fixed on the installation hanging plates (12); the guide wheel (16) rolls up and down along the front vertical frame rail of the trolley bracket (11); the steering wheel (12) is provided with a locking device.
4. A tool special for dismounting and mounting a main filter according to claim 1, wherein the adjustable platform (2) is formed by welding integral channel steel, a pattern steel plate (21) is arranged on the top surface, and four corners are provided with four heavy type goblets (22) with adjustable heights.
5. The tool special for disassembling and assembling the main filter is characterized in that the special elbow clamp (4) is formed by welding channel steel, and bolt holes for installing a pipe code (42) and a pipe seat (41) are reserved in the channel steel; the radian of the pipe code (42) and the pipe seat (41) are matched with the elbow, the pipe code (42) is formed by bending a 304 stainless steel pipe, and the pipe code (42) is turned with thread teeth.
6. A tool special for dismounting and mounting a main filter according to claim 1, wherein the inclined steps (3) are two pieces of rubber with 30 degrees of inclination and 175mm of height.
7. A tool dedicated to the disassembly and assembly of a main filter as claimed in claim 1, wherein the lifting capacity of the hydraulic lifting mobile cart (1) is not more than 100kg, and the size of the hydraulic cylinder (14) is 1 ton.
8. The use method of the special tool for disassembling and assembling the main filter as claimed in claim 1, characterized by comprising the following steps: the hydraulic lifting mobile trolley (1) and the adjustable platform (2) are placed in front of a valve cooling system platform, and four heavy foot cups (22) of the adjustable platform (2) are adjusted to enable the adjustable platform (2) and the valve cooling system platform to be at the same height; fixing the inclined step (3) in front of the adjustable platform (2), and pushing the hydraulic lifting mobile trolley (1) to the adjustable platform (2) and a platform of a valve cooling system through the inclined step (3); the method comprises the following steps that the hydraulic cylinder (14) is pedaled by feet, the hydraulic cylinder (14) lifts and tensions a coarse chain (15), a pallet fork (13) is pulled up by the coarse chain (15) along with a guide wheel (16), the corresponding height of the pallet fork (13) to an elbow is adjusted, an elbow component is fixed by a pipe code (42) and a pipe seat (41) on an elbow special clamp (4), the gravity of the elbow component is completely unloaded onto a hydraulic lifting moving trolley (1), and after potential safety hazards are eliminated, flange bolts on the elbow component are loosened; the elbow component is pulled out by using the special elbow fixture (4) and the hydraulic lifting moving trolley (1) to take out the main filter, so that the filter element on the main filter can be cleaned; after cleaning, the elbow component is installed back by utilizing the elbow special fixture (4) and the hydraulic lifting moving trolley (1).
9. The use method of the special tool for disassembling and assembling the main filter is characterized in that the potential safety hazards include the arrangement position of the hydraulic lifting mobile trolley (1), the connection condition of the special elbow clamp (4), the operation condition of the whole special tool and the condition that other tools cannot be used for checking the surrounding space.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111343631.XA CN113927540A (en) | 2021-11-13 | 2021-11-13 | Special tool for disassembling and assembling main filter |
Applications Claiming Priority (1)
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CN202111343631.XA CN113927540A (en) | 2021-11-13 | 2021-11-13 | Special tool for disassembling and assembling main filter |
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CN113927540A true CN113927540A (en) | 2022-01-14 |
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CN202111343631.XA Pending CN113927540A (en) | 2021-11-13 | 2021-11-13 | Special tool for disassembling and assembling main filter |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB614445A (en) * | 1946-05-01 | 1948-12-15 | William Paynter Boase | Improvements in self-propelled electrically driven trucks |
CN204771638U (en) * | 2015-06-24 | 2015-11-18 | 汉中燕航精工机械有限公司 | But return bend anchor clamps of accurate positioning |
CN109693023A (en) * | 2018-12-17 | 2019-04-30 | 中国航发动力股份有限公司 | A kind of elbow class part argon arc welding multistage is quickly converted gas shield device |
CN209850441U (en) * | 2019-03-15 | 2019-12-27 | 潍坊新茂机械配套有限公司 | Elbow clamp |
CN209906295U (en) * | 2019-03-25 | 2020-01-07 | 江苏至上检测科技有限公司 | Movable X-ray machine lifting device |
CN210103383U (en) * | 2019-03-04 | 2020-02-21 | 米亚索乐装备集成(福建)有限公司 | Target loading and unloading vehicle |
CN214399671U (en) * | 2021-01-22 | 2021-10-15 | 中建八局浙江建设有限公司 | Large-scale pipeline lifting device |
CN113635258A (en) * | 2021-08-15 | 2021-11-12 | 江西铜业集团(贵溪)防腐工程有限公司 | Electric melting pipeline press-fitting process, press-fitting tool and press-fitting tool manufacturing process |
-
2021
- 2021-11-13 CN CN202111343631.XA patent/CN113927540A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB614445A (en) * | 1946-05-01 | 1948-12-15 | William Paynter Boase | Improvements in self-propelled electrically driven trucks |
CN204771638U (en) * | 2015-06-24 | 2015-11-18 | 汉中燕航精工机械有限公司 | But return bend anchor clamps of accurate positioning |
CN109693023A (en) * | 2018-12-17 | 2019-04-30 | 中国航发动力股份有限公司 | A kind of elbow class part argon arc welding multistage is quickly converted gas shield device |
CN210103383U (en) * | 2019-03-04 | 2020-02-21 | 米亚索乐装备集成(福建)有限公司 | Target loading and unloading vehicle |
CN209850441U (en) * | 2019-03-15 | 2019-12-27 | 潍坊新茂机械配套有限公司 | Elbow clamp |
CN209906295U (en) * | 2019-03-25 | 2020-01-07 | 江苏至上检测科技有限公司 | Movable X-ray machine lifting device |
CN214399671U (en) * | 2021-01-22 | 2021-10-15 | 中建八局浙江建设有限公司 | Large-scale pipeline lifting device |
CN113635258A (en) * | 2021-08-15 | 2021-11-12 | 江西铜业集团(贵溪)防腐工程有限公司 | Electric melting pipeline press-fitting process, press-fitting tool and press-fitting tool manufacturing process |
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Application publication date: 20220114 |
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