CN113492040A - Tool and method for quickly disassembling hammer head of fine crusher - Google Patents
Tool and method for quickly disassembling hammer head of fine crusher Download PDFInfo
- Publication number
- CN113492040A CN113492040A CN202110853305.7A CN202110853305A CN113492040A CN 113492040 A CN113492040 A CN 113492040A CN 202110853305 A CN202110853305 A CN 202110853305A CN 113492040 A CN113492040 A CN 113492040A
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- Prior art keywords
- hammer
- hammer head
- pushing
- bottom frame
- frame plate
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 241000251131 Sphyrna Species 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a tool and a method for quickly disassembling a hammer head of a fine crusher, which solve the problem of how to quickly disassemble a large number of hammer heads in a short time. The tool bottom frame plate (1) is respectively provided with an electric hydraulic push rod (2) and two parallel slide rails (4) with inner side U-shaped grooves, two inner side U-shaped grooves which are correspondingly arranged between the two parallel slide rails (4) are movably provided with a pushing slide block (5), the electric hydraulic push rod (2) is connected with the left end of the pushing slide block (5), the center of the top surface of the pushing slide block is provided with an oval through hole (6), a hammer handle hook (7) is fixedly arranged on the tool bottom frame plate (1) in the oval through hole, a hammer handle (9) and a hammer head (10) which are connected together through a connecting pin (11) are placed on the tool bottom frame plate (1) on the right side of the pushing slide block (5), and the right end butting vertical surfaces of the pushing slide blocks (5) on the two sides of a central gap (8) are butted with hammer head shoulders (12) on the hammer head.
Description
Technical Field
The invention relates to a mechanical disassembling tool, in particular to a quick disassembling tool for a hammer head of a fine crusher and a disassembling method thereof.
Background
In a coal conveying system of a circulating fluidized bed boiler thermal power plant, a reversible hammering type fine crusher is generally used for secondary crushing coal; after entering a fine coal crusher, the raw coal after coarse crushing is subjected to the actions of impact, shearing, extrusion, rolling, grinding and the like of a hammer head rotating at a high speed and is crushed to the granularity of the designed specified degree; when the amount of crushed coal of the fine crusher reaches 20-25 ten thousand tons in total, the abrasion of the hammer head of the fine crusher is very serious, and a new hammer head needs to be replaced; in the prior art, a hammer head and a hammer handle which are connected together are detached from a fine crusher, after the hammer head and the hammer handle are taken out, a pin shaft connected with the hammer head is removed, and then the hammer head and the hammer handle are separated by a large hammer in a mode of striking the hammer head; during disassembly, the following problems exist: (1) by using a traditional impact type hammer head dismounting mode, an impacted hammer head cannot be fixed, and the hammer head is not controlled in the impacting process and cannot be accurately positioned; (2) one coal crusher is provided with hundreds of groups of hammers, and the workload of hammer disassembly is large and the time consumption is long; (3) the disassembly mode also easily causes safety problems, and the disassembly work efficiency is extremely low.
Disclosure of Invention
The invention provides a tool and a method for quickly disassembling a hammer head of a fine crusher, and solves the technical problem of how to quickly disassemble a large number of hammer heads in a short time.
The invention solves the technical problems by the following technical scheme:
a tool for quickly disassembling a hammer head of a fine crusher comprises a tool bottom frame plate, a hammer handle and a hammer head, wherein the hammer handle and the hammer head are connected together through a connecting pin, an electric hydraulic push rod is arranged on the left side of the tool bottom frame plate, two parallel slide rails with inner side U-shaped grooves are arranged on the right side of the tool bottom frame plate, a pushing slide block is movably arranged between the two correspondingly arranged inner side U-shaped grooves of the two parallel slide rails, the pushing slide block is clamped in the two correspondingly arranged inner side U-shaped grooves and can slide left and right along the two parallel slide rails, a pushing slide block U-shaped connecting plate is connected to an output shaft extending rightwards of the electric hydraulic push rod, the pushing slide block U-shaped connecting plate is connected with the left end of the pushing slide block, an oval through hole is arranged in the center of the top surface of the pushing slide block, a hammer handle hook is fixedly arranged on the tool bottom frame plate in the oval through hole, and a central notch is arranged on a pushing vertical surface of the right end of the pushing slide block, the central gap is communicated with the oval through hole, the hammer handle and the hammer head which are connected together through the connecting pin are placed on the tool bottom frame plate on the right side of the pushing sliding block, the top hanging ring of the hammer handle is hung on the hammer handle hook, and the right end top connection vertical surfaces of the pushing sliding blocks on the two sides of the central gap are connected with the hammer head shoulder on the hammer head in a propping mode.
An oval connecting pin falling hole is formed in the tooling bottom frame plate right below the connecting pin.
A hammer head dismounting method of a tool for quickly dismounting a hammer head of a fine crusher is characterized by comprising the following steps:
firstly, placing a hammer handle and a hammer head which are detached from a fine crusher and connected together through a connecting pin on a tool bottom frame plate at the right ends of two parallel slide rails, and hanging a top hanging ring of the hammer handle on a hammer handle hook;
secondly, knocking the connecting pin downwards to enable the connecting pin to fall off from an oval connecting pin falling hole arranged on a tool bottom plate right below the connecting pin;
secondly, starting the electric hydraulic push rod, wherein an output shaft of the electric hydraulic push rod extends rightwards, and the pushing slide block slides rightwards along the two parallel slide rails with the inner side U-shaped groove, so that a right pushing vertical surface of the pushing slide block is abutted with a hammer head shoulder on the hammer head;
thirdly, controlling the electric hydraulic push rod to increase the thrust and continuously extend out of the output shaft rightwards, and separating the hammer head from the hammer handle to finish the disassembling work of the hammer head and the hammer handle;
fourthly, controlling the electric hydraulic push rod to enable an output shaft of the electric hydraulic push rod to retract leftwards, enabling the pushing slide block to return to an initial working position, and taking down the hammer handle from the hammer handle hook;
and fifthly, repeating the steps from the first step to the fourth step, and separating the next hammer handle and the next hammer head which are connected together.
The invention greatly reduces the potential safety hazard caused by using a large hammer to strike the hammer head in the disassembling work of the hammer head of the fine crusher, shortens the working time of the disassembling work of the hammer head and improves the working efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention in a front view;
fig. 3 is a schematic view showing the construction of the hammer shank 9 and the hammer head 10 of the present invention connected together.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a tool for quickly disassembling a hammer head of a fine crusher comprises a tool bottom frame plate 1, a hammer handle 9 and a hammer head 10, wherein the hammer handle 9 and the hammer head 10 are connected together through a connecting pin 11, an electric hydraulic push rod 2 is arranged on the left side of the tool bottom frame plate 1, two parallel slide rails 4 with inner side U-shaped grooves are arranged on the right side of the tool bottom frame plate 1, a pushing slide block 5 is movably arranged between the two correspondingly arranged inner side U-shaped grooves of the two parallel slide rails 4, the pushing slide block 5 is clamped in the two correspondingly arranged inner side U-shaped grooves and can slide left and right along the two parallel slide rails 4, a pushing slide block U-shaped connecting plate 3 is connected to an output shaft extending rightwards of the electric hydraulic push rod 2, the pushing slide block U-shaped connecting plate 3 is connected with the left end of the pushing slide block 5, an oval through hole 6 is arranged in the center of the top surface of the pushing slide block 5, a handle hook 7 is fixedly arranged on the tool bottom frame plate 1 in the oval through hole 6, a central gap 8 is arranged on the right end pushing vertical face of the pushing sliding block 5, the central gap 8 is communicated with the oval through hole 6, a hammer handle 9 and a hammer head 10 which are connected together through a connecting pin 11 are placed on a tool bottom frame plate 1 on the right side of the pushing sliding block 5, a top hanging ring 13 of the hammer handle 9 is hung on a hammer handle hook 7, and right end butting vertical faces of the pushing sliding blocks 5 on the two sides of the central gap 8 are butted with a hammer head shoulder 12 on the hammer head 10.
An oval connecting pin falling hole is formed in the tooling bottom frame plate 1 right below the connecting pin 11.
A hammer head dismounting method of a tool for quickly dismounting a hammer head of a fine crusher is characterized by comprising the following steps:
firstly, placing a hammer handle 9 and a hammer 10 which are detached from a fine crusher and connected together through a connecting pin 11 on a tool bottom frame plate 1 at the right ends of two parallel slide rails 4, and hanging a top hanging ring 13 of the hammer handle 9 on a hammer handle hook 7;
secondly, knocking the connecting pin 11 downwards to enable the connecting pin to fall off from an oval connecting pin falling hole formed in the tooling bottom frame plate 1 right below the connecting pin 11;
secondly, starting the electric hydraulic push rod 2, enabling an output shaft of the electric hydraulic push rod to extend rightwards, enabling the pushing slide block 5 to slide rightwards along the two parallel slide rails 4 with the inner side U-shaped grooves, and enabling a right pushing vertical surface of the pushing slide block 5 to be abutted with a hammer head shoulder 12 on the hammer head 10;
thirdly, controlling the electric hydraulic push rod 2 to increase the thrust and continuously extend out of the output shaft rightwards, and separating the hammer head 10 from the hammer handle 9 to finish the disassembly work of the hammer head and the hammer handle;
fourthly, controlling the electric hydraulic push rod 2 to enable an output shaft of the electric hydraulic push rod to retract leftwards, enabling the pushing slide block 5 to retract to an initial working position, and taking down the hammer handle 9 from the hammer handle hook 7;
and fifthly, repeating the steps from the first step to the fourth step, and separating the next hammer handle 9 and the next hammer head 10 which are connected together.
Claims (3)
1. A tool for quickly disassembling a hammer head of a fine crusher comprises a tool bottom frame plate (1), a hammer handle (9) and the hammer head (10), wherein the hammer handle (9) and the hammer head (10) are connected together through a connecting pin (11), and the tool bottom frame plate is characterized in that an electric hydraulic push rod (2) is arranged on the left side of the tool bottom frame plate (1), two parallel slide rails (4) with inner side U-shaped grooves are arranged on the right side of the tool bottom frame plate (1), a pushing slider (5) is movably arranged between the two correspondingly arranged inner side U-shaped grooves of the two parallel slide rails (4), the pushing slider (5) is clamped in the two correspondingly arranged inner side U-shaped grooves and can slide left and right along the two parallel slide rails (4), a pushing slider U-shaped connecting plate (3) is connected to an output shaft extending rightwards of the electric hydraulic push rod (2), and the pushing slider U-shaped connecting plate (3) is connected with the left end of the pushing slider (5), an oval through hole (6) is formed in the center of the top face of the pushing sliding block (5), a hammer handle hook (7) is fixedly arranged on a tool bottom frame plate (1) in the oval through hole (6), a central notch (8) is formed in the right pushing vertical face of the pushing sliding block (5), the central notch (8) is communicated with the oval through hole (6), a hammer handle (9) and a hammer head (10) which are connected together through a connecting pin (11) are placed on the tool bottom frame plate (1) on the right side of the pushing sliding block (5), a top hanging ring (13) of the hammer handle (9) is hung on the hammer handle hook (7), and right pushing vertical faces of the pushing sliding blocks (5) on the two sides of the central notch (8) are connected with a hammer head shoulder (12) on the hammer head (10) in a butting mode.
2. The tool for quickly disassembling the hammer head of the fine crusher according to claim 1, wherein an oval connecting pin falling hole is formed in the tool bottom frame plate (1) right below the connecting pin (11).
3. The hammer head dismounting method for the quick dismounting tool for the hammer head of the fine crusher, which is characterized by comprising the following steps of:
firstly, placing a hammer handle (9) and a hammer head (10) which are detached from a fine crusher and connected together through a connecting pin (11) on a tool bottom frame plate (1) at the right ends of two parallel slide rails (4), and hanging a top hanging ring (13) of the hammer handle (9) on a hammer handle hook (7);
secondly, knocking the connecting pin (11) downwards to enable the connecting pin to fall off from an oval connecting pin falling hole arranged on the tooling bottom frame plate (1) right below the connecting pin (11);
secondly, starting an electric hydraulic push rod (2), wherein an output shaft of the electric hydraulic push rod extends rightwards, and a pushing slide block (5) slides rightwards along two parallel slide rails (4) with inner side U-shaped grooves, so that a right pushing vertical surface of the pushing slide block (5) is abutted with a hammer head shoulder (12) on a hammer head (10);
thirdly, controlling the electric hydraulic push rod (2) to increase the thrust force and continue to extend out of the output shaft rightwards, and separating the hammer head (10) from the hammer handle (9) to finish the disassembly work of the hammer head and the hammer handle;
fourthly, controlling the electric hydraulic push rod (2) to enable an output shaft of the electric hydraulic push rod to retract leftwards, enabling the pushing slide block (5) to retract to an initial working position, and taking down the hammer handle (9) from the hammer handle hook (7);
and fifthly, repeating the steps from the first step to the fourth step, and separating the next hammer handle (9) and the next hammer head (10) which are connected together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110853305.7A CN113492040A (en) | 2021-07-27 | 2021-07-27 | Tool and method for quickly disassembling hammer head of fine crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110853305.7A CN113492040A (en) | 2021-07-27 | 2021-07-27 | Tool and method for quickly disassembling hammer head of fine crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113492040A true CN113492040A (en) | 2021-10-12 |
Family
ID=77996747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110853305.7A Pending CN113492040A (en) | 2021-07-27 | 2021-07-27 | Tool and method for quickly disassembling hammer head of fine crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113492040A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD277022A1 (en) * | 1988-11-18 | 1990-03-21 | Eisengiesserei U Maschinenfabr | DEVICE FOR MOUNTING AND REMOVING THE HAMMER OF HAMMERS |
| US6763566B1 (en) * | 1999-06-17 | 2004-07-20 | Metso Lindemann Gmbh | Method and device for demounting/remounting hammers, hammer axles and/or protective caps of rotors of hammer crushers |
| CN102240900A (en) * | 2011-05-24 | 2011-11-16 | 莱芜市泰山焦化有限公司 | Disassembling connector for crusher hammer head as well as device and method for disassembling crusher hammer head |
| CN207858738U (en) * | 2017-12-28 | 2018-09-14 | 山西欧迅电力建设有限公司 | A kind of tup stripping attachment for fine crusher |
| CN110253488A (en) * | 2019-06-10 | 2019-09-20 | 龙口矿业集团有限公司 | A kind of tup splitter |
| CN210389056U (en) * | 2019-06-25 | 2020-04-24 | 五冶集团上海有限公司 | Pin shaft dismounting tool in pulverizer |
| CN210757496U (en) * | 2019-08-28 | 2020-06-16 | 龙口矿业集团热电有限公司 | Hammer head splitter of reversible hammer type fine crusher |
| CN215940155U (en) * | 2021-07-27 | 2022-03-04 | 中国能源建设集团山西电力建设有限公司 | Quick disassembling tool for hammer head of fine crusher |
-
2021
- 2021-07-27 CN CN202110853305.7A patent/CN113492040A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD277022A1 (en) * | 1988-11-18 | 1990-03-21 | Eisengiesserei U Maschinenfabr | DEVICE FOR MOUNTING AND REMOVING THE HAMMER OF HAMMERS |
| US6763566B1 (en) * | 1999-06-17 | 2004-07-20 | Metso Lindemann Gmbh | Method and device for demounting/remounting hammers, hammer axles and/or protective caps of rotors of hammer crushers |
| CN102240900A (en) * | 2011-05-24 | 2011-11-16 | 莱芜市泰山焦化有限公司 | Disassembling connector for crusher hammer head as well as device and method for disassembling crusher hammer head |
| CN207858738U (en) * | 2017-12-28 | 2018-09-14 | 山西欧迅电力建设有限公司 | A kind of tup stripping attachment for fine crusher |
| CN110253488A (en) * | 2019-06-10 | 2019-09-20 | 龙口矿业集团有限公司 | A kind of tup splitter |
| CN210389056U (en) * | 2019-06-25 | 2020-04-24 | 五冶集团上海有限公司 | Pin shaft dismounting tool in pulverizer |
| CN210757496U (en) * | 2019-08-28 | 2020-06-16 | 龙口矿业集团热电有限公司 | Hammer head splitter of reversible hammer type fine crusher |
| CN215940155U (en) * | 2021-07-27 | 2022-03-04 | 中国能源建设集团山西电力建设有限公司 | Quick disassembling tool for hammer head of fine crusher |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20211012 |