CN114083489A - Tool apron dismounting device - Google Patents
Tool apron dismounting device Download PDFInfo
- Publication number
- CN114083489A CN114083489A CN202111559968.4A CN202111559968A CN114083489A CN 114083489 A CN114083489 A CN 114083489A CN 202111559968 A CN202111559968 A CN 202111559968A CN 114083489 A CN114083489 A CN 114083489A
- Authority
- CN
- China
- Prior art keywords
- positioning cylinder
- tool apron
- pull rod
- dismounting device
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003801 milling Methods 0.000 abstract description 13
- 239000004568 cement Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010426 asphalt Substances 0.000 description 2
- 239000011384 asphalt concrete Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention relates to the technical field of milling machines, in particular to a tool apron dismounting device which comprises a positioning cylinder, a pull rod, at least two clamping jaws and an elastic resetting piece, wherein the positioning cylinder can abut against the upper wall of a base; the pull rod penetrates through the positioning cylinder and can slide relative to the positioning cylinder, and one end of the pull rod extending into the positioning cylinder is connected with a sliding block; the clamping jaws are rotatably connected to the sliding block and can abut against the bottom wall of the tool apron; an elastic reset piece is connected between the clamping jaws. According to the invention, the pull rod and the positioning cylinder are arranged, wherein one end of the pull rod is connected with the jaw through the sliding block, when the positioning cylinder is used, the jaw can be opened, the positioning cylinder is abutted to the upper wall of the base, the jaw is arranged between the base and the tool apron at the moment, the jaw can reset under the action of the resetting elastic part, the jaw can be abutted to the bottom wall of the tool apron, the pull rod is pulled, the pull rod applies an acting force to the tool apron, the acting force is far away from the base, and the positioning cylinder applies an acting force to the base, the acting force is far away from the tool apron under a reverse acting force, so that the tool apron is separated from the base.
Description
Technical Field
The invention relates to the technical field of dismounting devices, in particular to a tool apron dismounting device.
Background
The milling machine is a key device for pavement maintenance operation and construction, and is mainly used for milling operation during asphalt concrete pavement and cement concrete pavement restoration. The milling drum of the milling machine is provided with a base for assembling a cutter seat and a milling cutter, and the milling drum is driven to rotate by hydraulic pressure or a belt so as to separate asphalt or cement from a road surface. And the blade holder is very easy wearing and tearing at the operation in-process, needs to dismantle the blade holder of renewal, and current blade holder dismantles the in-process, needs the cooperation crowbar to realize the dismantlement of blade holder, wastes time and energy.
Disclosure of Invention
The invention aims to provide a tool apron dismounting device which is convenient for dismounting a tool apron and improves the working efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
a tool holder dismounting device for separating a tool holder and a base, comprising:
the positioning cylinder can abut against the upper wall of the base;
the pull rod penetrates through the positioning cylinder and can slide relative to the positioning cylinder, and one end, extending into the positioning cylinder, of the pull rod is connected with a sliding block;
the clamping jaws are rotatably connected to the sliding block and can abut against the bottom wall of the tool apron;
the elastic reset piece is connected between the clamping jaws.
Preferably, two opposite sides of the positioning cylinder are provided with limiting holes, and the sliding block can partially extend out of the positioning cylinder through the limiting holes.
Preferably, the inner wall of the positioning cylinder is provided with an internal thread, the outer wall of the pull rod is provided with an external thread, and the internal thread is matched with the external thread.
Preferably, the internal thread and the external thread are both trapezoidal threads.
Preferably, the sliding block is detachably connected with the pull rod.
Preferably, the slide block is connected with the pull rod through a positioning pin.
Preferably, an operation hole is formed in the position, opposite to the positioning pin, of the positioning barrel, and is used for disassembling the positioning pin.
Preferably, the inner wall of the positioning cylinder is a light hole.
Preferably, the jaw is connected with the slider through a rotation pin.
Preferably, the return elastic member is a return spring.
The invention has the beneficial effects that: according to the invention, the pull rod and the positioning cylinder are arranged, wherein one end of the pull rod is connected with the jaw through the sliding block, when the positioning cylinder is used, the jaw can be opened, the positioning cylinder is abutted to the upper wall of the base, the jaw is arranged between the base and the tool apron at the moment, the jaw can be reset and tightened under the action of the reset elastic part, the jaw can be abutted to the bottom wall of the tool apron, the pull rod is pulled, the pull rod applies an acting force to the tool apron, the acting force is far away from the base, and the positioning cylinder applies an acting force to the base, the acting force is far away from the tool apron under a reverse acting force, so that the tool apron is separated from the base.
Drawings
Fig. 1 is an exploded view of a tool holder removing device according to an embodiment of the present invention;
fig. 2 is an assembly view of a tool holder dismounting device and a tool holder according to an embodiment of the invention.
In the figure:
100. a tool apron; 200. A base;
1. a positioning cylinder; 11. an operation hole;
2. a pull rod; 21. a first end; 211. a first circular table; 22. a rod portion; 23. a second end; 231. a second circular table;
3. a slider;
4. a claw;
5. the elastic member is reset.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The first embodiment is as follows:
the milling machine is a key device for pavement maintenance operation and construction, and is mainly used for milling operation during asphalt concrete pavement and cement concrete pavement restoration. The milling drum of the milling machine is provided with a base for assembling a cutter seat and a milling cutter, and the milling drum is driven to rotate by hydraulic pressure or a belt so as to separate asphalt or cement from a road surface. And the blade holder is very easy wearing and tearing at the operation in-process, needs to dismantle the blade holder of renewal, and current blade holder dismantles the in-process, needs the cooperation crowbar to realize the dismantlement of blade holder, wastes time and energy.
As shown in fig. 1-2, the invention provides a tool apron dismounting device, which comprises a positioning cylinder 1 and a pull rod 2, wherein the pull rod 2 comprises a first end 21, a second end 23 and a rod portion 22, a through hole is formed in the top wall of the positioning cylinder 1, the first end 21 of the pull rod 2 penetrates through the through hole and extends into the inner wall of the positioning cylinder 1, the rod portion 22 of the pull rod 2 is in threaded connection with the positioning cylinder 1, specifically, an internal thread is formed in the inner wall of the positioning cylinder 1, an external thread is formed in the outer wall of the rod portion 22 of the pull rod 2, the internal thread is matched with the external thread, more specifically, the internal thread and the external thread are both trapezoidal threads, and larger torque can be transmitted. When the positioning cylinder 1 is fixed, the knob pull rod 2 can realize the movement of the pull rod 2 relative to the positioning cylinder 1.
The first end 21 of the pull rod 2 is connected with the slider 3, specifically, the first end 21 of the pull rod 2 is provided with a first round table 211, wherein the diameter of the first round table 211 is smaller than the diameter of the rod part 22 of the pull rod 2, the slider 3 is provided with a groove matched with the first round table 211, and the positioning pin sequentially penetrates through the slider 3 and the first round table 211 to realize the positioning of the slider 3 and the pull rod 2. It should be noted that, an operation hole 11 is formed on the peripheral wall of the positioning cylinder 1 at a position corresponding to the positioning pin, so that the slider 3 and the pull rod 2 are convenient to assemble.
The second end 23 of the pull rod 2 is provided with a second round table 231, and the diameter of the second round table 231 is larger than that of the rod part 22, so that the bottom wall of the second round table 231 can abut against the top wall of the positioning tube 1 to limit the pull rod 2. Furthermore, the top wall of the second round table 231 is provided with a square blind hole, so that the pull rod 2 is convenient to screw.
Furthermore, a limiting hole is formed in one opposite side wall of the positioning cylinder 1, two ends of the sliding block 3 can extend out of the positioning cylinder 1 through the limiting hole, the positioning cylinder 1 limits the sliding block 3, and the sliding block 3 is prevented from rotating along with the pull rod 2 when the pull rod 2 rotates relative to the positioning cylinder 1.
The both ends that the slider 3 stretches out a location section of thick bamboo 1 all are connected with jack catch 4, and the jack catch 4 that this embodiment provided is two, and 3 both ends of slider respectively connect a jack catch 4, in other embodiments, can set up more jack catches 4, convenient to detach blade holder 100. Further, the jaw 4 is rotatably connected with the slider 3, and specifically, the jaw 4 is connected with the slider 3 through a rotating pin, preventing the jaw 4 from being separated from the slider 3. Wherein, be connected with the elastic component 5 that resets between two jack catchs 4, under the atress effect, jack catch 4 can open, places the jack catch 4 bottom between base 200 and blade holder 100. Under the condition of no external force, the bottom of the jaw 4 can be automatically tightened, and the jaw 4 can be abutted against the bottom wall of the tool apron 100. The return elastic member 5 provided in this embodiment is a return spring.
When the tool apron dismounting device provided by the embodiment is used, firstly, an operator manually opens the bottom of the jaw 4, and abuts against the bottom wall of the positioning cylinder 1 on the upper wall of the base 200, at this time, the jaw 4 is located between the base 200 and the tool apron 100, and the jaw 4 is tightened under the action of the reset elastic piece 5 and abuts against the bottom wall of the tool apron 100; then, the operator manually fixes the positioning barrel 1, rotates the second end 23 of the pull rod 2 through the air wrench, and the pull rod 2 applies an acting force to the tool apron 100 away from the base 200 through the sliding block 3 and the clamping jaw 4, and simultaneously, the positioning barrel 1 applies an acting force to the base 200 away from the tool apron 100 under a reverse acting force, so that the tool apron 100 is separated from the base 200.
Example two:
the embodiment is substantially the same as the first embodiment, except that the outer wall of the rod part 22 of the pull rod 2 is not provided with an external thread, the inner wall of the positioning cylinder 1 is not provided with an internal thread, the pull rod 2 can apply an acting force to the cutter holder 100 away from the base 200 through the sliding block 3 and the clamping jaws 4 by pulling the pull rod 2 through the oil cylinder, and meanwhile, the top end of the positioning cylinder 1 can abut against the oil cylinder, so that the positioning cylinder 1 can also apply an acting force to the base 200 away from the cutter holder 100 under a reverse acting force, thereby realizing the separation of the cutter holder 100 and the base 200.
It should be noted that, at this time, the connection between the slider 3 and the pull rod 2 may be a positioning pin connection or a threaded connection, and if the threaded connection is adopted, an external thread is arranged on the outer wall of the first circular truncated cone 211, an internal thread is arranged on the inner wall of the groove, and the internal thread and the external thread are matched to realize the connection between the slider 3 and the pull rod 2.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A tool holder dismounting device for separating a tool holder (100) and a base (200), comprising:
a positioning cylinder (1), wherein the positioning cylinder (1) can be abutted against the upper wall of the base (200);
the pull rod (2) penetrates through the positioning cylinder (1) and can slide relative to the positioning cylinder (1), and one end, extending into the positioning cylinder (1), of the pull rod (2) is connected with a sliding block (3);
the clamping jaws (4) are connected to the sliding block (3) in a rotating mode, and the clamping jaws (4) can abut against the bottom wall of the tool apron (100);
the resetting elastic piece (5) is connected between the clamping jaws (4).
2. The tool apron dismounting device according to claim 1, characterized in that a limiting hole is opened on one opposite side of the positioning cylinder (1), and the slide block (3) can partially protrude out of the positioning cylinder (1) through the limiting hole.
3. A tool apron dismounting device according to claim 1, characterized in that the inner wall of the positioning cylinder (1) is provided with an internal thread, and the outer wall of the pull rod (2) is provided with an external thread, and the internal thread is matched with the external thread.
4. A tool holder dismounting device according to claim 3, wherein said internal thread and said external thread are both trapezoidal threads.
5. A tool holder dismounting device according to claim 3, characterized in that the slide (3) is detachably connected to the tie rod (2).
6. A tool apron dismounting device according to claim 4, characterized in that the slide (3) and the tie rod (2) are connected by a positioning pin.
7. The tool apron dismounting device according to claim 6, characterized in that an operation hole (11) is opened at a position of the positioning cylinder (1) facing the positioning pin for dismounting the positioning pin.
8. Tool apron dismounting device according to claim 1, characterized in that the inner wall of the positioning cylinder (1) is a light hole.
9. Tool apron dismounting device according to one of the claims 1-8, characterized in that the jaws (4) are connected with the slide (3) by means of a rotation pin.
10. A tool holder dismounting device according to any one of claims 1-8, characterized in that said return resilient member (5) is a return spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111559968.4A CN114083489A (en) | 2021-12-20 | 2021-12-20 | Tool apron dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111559968.4A CN114083489A (en) | 2021-12-20 | 2021-12-20 | Tool apron dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114083489A true CN114083489A (en) | 2022-02-25 |
Family
ID=80308147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111559968.4A Pending CN114083489A (en) | 2021-12-20 | 2021-12-20 | Tool apron dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114083489A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE912439C (en) * | 1945-02-20 | 1954-05-31 | Wilhelm Baecker Fa | Internal extractor for roller bearings |
| US6925696B1 (en) * | 2004-02-13 | 2005-08-09 | Pro-Cut International, Llc | Brake rotor puller |
| CN202592306U (en) * | 2012-05-10 | 2012-12-12 | 东风汽车股份有限公司 | Portable pin pulling auxiliary tool |
| CN103522249A (en) * | 2012-07-06 | 2014-01-22 | 哈尔滨飞机工业集团有限责任公司 | Disassembling tool of shaft liner |
| CN203600168U (en) * | 2013-11-21 | 2014-05-21 | 德阳宏源机电工程有限责任公司 | Device for dismounting shield tunneling machine tool |
| CN105619330A (en) * | 2016-02-19 | 2016-06-01 | 杭州腾骅汽车变速器股份有限公司 | Differential cone bearing demounting tool for remanufacturing of automatic transmission |
| CN106695666A (en) * | 2015-07-16 | 2017-05-24 | 南车洛阳机车有限公司 | Dismounting device for air valve seat, setting wheel bearing and hinge pin bushing of diesel engine |
| CN209425356U (en) * | 2018-11-28 | 2019-09-24 | 上海天永智能装备股份有限公司 | A kind of extracting tool for ring set type part |
| CN214025508U (en) * | 2020-12-17 | 2021-08-24 | 江苏益铖金属成型有限公司 | Shaft pulling mechanism capable of being disassembled and assembled in portable mode |
-
2021
- 2021-12-20 CN CN202111559968.4A patent/CN114083489A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE912439C (en) * | 1945-02-20 | 1954-05-31 | Wilhelm Baecker Fa | Internal extractor for roller bearings |
| US6925696B1 (en) * | 2004-02-13 | 2005-08-09 | Pro-Cut International, Llc | Brake rotor puller |
| CN202592306U (en) * | 2012-05-10 | 2012-12-12 | 东风汽车股份有限公司 | Portable pin pulling auxiliary tool |
| CN103522249A (en) * | 2012-07-06 | 2014-01-22 | 哈尔滨飞机工业集团有限责任公司 | Disassembling tool of shaft liner |
| CN203600168U (en) * | 2013-11-21 | 2014-05-21 | 德阳宏源机电工程有限责任公司 | Device for dismounting shield tunneling machine tool |
| CN106695666A (en) * | 2015-07-16 | 2017-05-24 | 南车洛阳机车有限公司 | Dismounting device for air valve seat, setting wheel bearing and hinge pin bushing of diesel engine |
| CN105619330A (en) * | 2016-02-19 | 2016-06-01 | 杭州腾骅汽车变速器股份有限公司 | Differential cone bearing demounting tool for remanufacturing of automatic transmission |
| CN209425356U (en) * | 2018-11-28 | 2019-09-24 | 上海天永智能装备股份有限公司 | A kind of extracting tool for ring set type part |
| CN214025508U (en) * | 2020-12-17 | 2021-08-24 | 江苏益铖金属成型有限公司 | Shaft pulling mechanism capable of being disassembled and assembled in portable mode |
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