CN209195404U - A kind of coal mine anti-pick broken teeth device of medium-coal-rock roadheader cutting head - Google Patents
A kind of coal mine anti-pick broken teeth device of medium-coal-rock roadheader cutting head Download PDFInfo
- Publication number
- CN209195404U CN209195404U CN201821710103.7U CN201821710103U CN209195404U CN 209195404 U CN209195404 U CN 209195404U CN 201821710103 U CN201821710103 U CN 201821710103U CN 209195404 U CN209195404 U CN 209195404U
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- China
- Prior art keywords
- pick
- coal
- pedestal
- support base
- cutting head
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Abstract
The utility model discloses a kind of coal mine anti-pick broken teeth devices of medium-coal-rock roadheader cutting head, including pedestal, support base and the second shaft, the left inner surface of the pedestal is provided with the first bolt, and first the upper end of bolt be provided with pick box, accommodation groove is offered on the inside of the pick box, and connecting rod is provided on the right side of pick box, the right side inner surface of the pedestal is provided with first sliding groove, and the right side outer surface of pedestal is provided with threaded hole, the outer surface of the fixing sleeve is provided with fixed thread.The coal mine anti-pick broken teeth device of medium-coal-rock roadheader cutting head, when carrying out excavating work, the pressure that pick is born will effectively be buffered by the extrusion fit link block of spring between the motion bar of its lower end 2, avoiding pick to the greatest extent, there is a phenomenon where be broken at work, and removable support base and fixing sleeve, allow user regularly can repair inspection and cleaning work to pick.
Description
Technical field
The utility model relates to technical field of coal mine, specially a kind of coal mine is disconnected with the anti-pick of medium-coal-rock roadheader cutting head
Tooth device.
Background technique
Coal mine is the mankind in the region of the mining area exploitation coal resources rich in coal, and medium-coal-rock roadheader is for straight
Coal petrography ground dig tunnel machine, during the cutting of development machine, cutting head play the role of it is vital, it is existing
What the pick and cutting head of development machine used is all direct welded structure, i.e., shaped rigid alloy is welded on pick body,
But carbide surface, which is generated, to be also easy to produce fine crack in welding and becomes fragile, and reduces its mechanical performance, it is easy in work
There is a phenomenon where broken teeths during making, and traditional cutting head is not easy to carry out pick replacement adjusting, and existing development machine
Pick do not have the function of adjusting angle, limited by practical brings big inconvenience to the operation of user.
Utility model content
The purpose of this utility model is to provide a kind of coal mine anti-pick broken teeth device of medium-coal-rock roadheader cutting head, with
The mode for solving traditional welding pick mentioned above in the background art easily makes pick during the work time there is a phenomenon where being broken,
The problem of being not easy to the maintenance of clean-up of pick, cutting-gear-angle can not be adjusted.
To achieve the above object, the utility model provides the following technical solutions: a kind of coal mine is cut with medium-coal-rock roadheader
Anti- pick broken teeth device, including pedestal, support base and the second shaft, the left inner surface of the pedestal are provided with the first spiral shell
Bolt, and the upper end of the first bolt is provided with pick box, accommodation groove is offered on the inside of the pick box, and set on the right side of pick box
It is equipped with connecting rod, the right side inner surface of the pedestal is provided with first sliding groove, and the right side outer surface of pedestal is provided with threaded hole,
And threaded hole is internally provided with the second bolt, and the inside of accommodation groove is arranged in the support base, and sets on the inside of support base
It is equipped with the first spring, the upper end of first spring is fixedly connected with link block, and fixing sleeve is provided on the outside of link block, institute
It states and offers second sliding slot on the inside of fixing sleeve, and be provided with link block on the inside of second sliding slot, the upper end of the link block is solid
Surely it is connected with pick, the outer surface of the fixing sleeve is provided with fixed thread, and the inside lower end of the link block is provided with first
Shaft, and motion bar is provided on the inside of first rotating shaft, the bottom of motion bar is arranged in second shaft, and motion bar is interior
Side is provided with second spring.
Preferably, the pick box constitutes rotational structure by the first bolt and pedestal, and pick box and support base are spiral shell
Line connection.
Preferably, the connecting rod and pick box are to be welded to connect, and connecting rod is ramp-like configuration, and connecting rod is logical
It crosses first sliding groove and pedestal constitutes slide construction.
Preferably, the support base and motion bar are rotation connection, and support base and link block are nested encryptions.
Preferably, the fixing sleeve and support base and pick box constitute disassembly mounting structure, and fixing sleeve is with link block
It is slidably connected.
Preferably, the motion bar is symmetrically arranged with 2 about the central point of the second shaft, and 2 motion bars pass through the
Two springs constitute elastic connection.
Compared with prior art, the utility model has the beneficial effects that the coal mine is cut with medium-coal-rock roadheader cutting head is anti-
Tooth broken teeth device,
1. being provided with mobilizable link block, when single unit system carries out excavating work, the pick of link block upper end is held
The pressure received will be reinforcing rib material in outer surface by the extruding of spring between the motion bar of its lower end 2, mating connection block
Support base in carry out it is flexible under the action of effectively buffered, avoid pick to the greatest extent and be broken at work
The phenomenon that, improve the service efficiency and safety of the device；
2. be provided with removable support base and fixing sleeve, which can allow user that will regularly install in pick box
Pick disassembles, and to repair inspection and cleaning work to it, ensure that the work quality of the pick；
3. being provided with adjustable pick box, user can be according to the needs of operating condition, by arc-shaped first
The connecting rod of rotation pick base rear end in sliding slot, carries out the adjusting of single unit system angle, then by the threaded hole of corresponding position into
Row bolt is fixed, effectively expands the scope of application of the device.
Detailed description of the invention
Fig. 1 is the positive schematic cross-sectional view of the utility model；
Fig. 2 is the positive schematic cross-sectional view of the utility model link block；
Fig. 3 is the utility model overlooking structure diagram.
In figure: 1, pedestal；2, the first bolt；3, pick box；4, accommodation groove；5, connecting rod；6, first sliding groove；7, the second spiral shell
Bolt；8, threaded hole；9, support base；10, the first spring；11, link block；12, fixing sleeve；13, second sliding slot；14, pick；15,
Fixed thread；16, first rotating shaft；17, motion bar；18, the second shaft；19, second spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of coal mine medium-coal-rock roadheader cutting head is anti-
Pick broken teeth device, including pedestal 1, the first bolt 2, pick box 3, accommodation groove 4, connecting rod 5, first sliding groove 6, the second bolt 7,
Threaded hole 8, support base 9, the first spring 10, link block 11, fixing sleeve 12, second sliding slot 13, pick 14, fixed thread 15,
One shaft 16, motion bar 17, the second shaft 18 and second spring 19, the left inner surface of pedestal 1 are provided with the first bolt 2, and
The upper end of first bolt 2 is provided with pick box 3, and pick box 3 constitutes rotational structure, and pick box by the first bolt 2 and pedestal 1
3 with support base 9 be is threadedly coupled, states connecting rod 5 and pick box 3 to be welded to connect, and connecting rod 5 is ramp-like configuration, and
Connecting rod 5 constitutes slide construction by first sliding groove 6 and pedestal 1, and the connecting rod 5 and pedestal 1 that should be connected with pick box 3, which are constituted, to be turned
The setting of dynamic structure, allows user that can effectively adjust the angle of 3 upper end pick 14 of pick box as needed；
The inside of pick box 3 offers accommodation groove 4, and the right side of pick box 3 is provided with connecting rod 5, in the right side of pedestal 1
Surface is provided with first sliding groove 6, and the right side outer surface of pedestal 1 is provided with threaded hole 8, and threaded hole 8 is internally provided with
Second bolt 7, the inside of accommodation groove 4 is arranged in support base 9, and the inside of support base 9 is provided with the first spring 10, the first spring
10 upper end is fixedly connected with link block 11, and the outside of link block 11 be provided with fixing sleeve 12, fixing sleeve 12 and support base 9 with
Pick box 3 constitutes disassembly mounting structure, and fixing sleeve 12 and link block 11 is be slidably connected, the setting can allow user regularly
The pick 14 installed in pick box 3 is disassembled, to repair inspection and cleaning work, ensure that the work of the device
Quality；
The inside of fixing sleeve 12 offers second sliding slot 13, and the inside of second sliding slot 13 is provided with link block 11, support
Seat 9 is rotation connection with motion bar 17, and support base 9 and link block 11 are nested encryptions, which can allow outer surface to be provided with
The support base 9 of reinforcing rib is so effective that protect to the link block 11 of 14 lower end of pick, it is avoided to roll over during the work time
Disconnected phenomenon；
The upper end of link block 11 is fixedly connected with pick 14, and the outer surface of fixing sleeve 12 is provided with fixed thread 15, connection
The inside lower end of block 11 is provided with first rotating shaft 16, and the inside of first rotating shaft 16 is provided with motion bar 17, and the second shaft 18 is set
It sets in the bottom of motion bar 17, and the inside of motion bar 17 is provided with second spring 19, motion bar 17 is about the second shaft 18
Central point is symmetrically arranged with 2, and 2 motion bars 17 constitute elastic connection by second spring 19, and 2 motion bars 17 pass through the
The buffering effect of two springs 19, which can be stablized, protects the entirety of pick 14, ensure that the work of single unit system to the greatest extent
Safety.
Working principle: in pick broken teeth device anti-with medium-coal-rock roadheader cutting head using the coal mine, according to Fig. 1 and figure
3, device is mounted on 1 upper end of pedestal by the first bolt 2 first, then checks the integrality of single unit system, after having checked,
According to the needs of user's excavating work, can by rotating the connecting rod 5 of 3 rear end of pick box in arc-shaped first sliding groove 6,
The angle of single unit system is adjusted, position with the second bolt 7 carries out spiral shell by the threaded hole 8 of corresponding position again after determining
Line is fixed；
According to Fig. 1-3, when the device carries out excavating work by the cutting head of development machine, link block 11 in pick box 3
The pressure that the pick 14 of upper end is born when working, it will pass through the extruding of second spring 19 between the motion bar 17 of its lower end 2
And generate buffering effect, and mating connection block 11 outer surface be reinforcing rib material support base 9 in pass through the first spring 10
Carry out it is flexible under the action of effectively buffered, avoid pick 14 to the greatest extent at work there is a phenomenon where being broken,
After the completion of excavating work, user can by by fixing sleeve 12 and support base 9 under being dismantled in the accommodation groove 4 in pick box 3
Come, to repair inspection and cleaning work to the pick 14 of 12 upper end of fixing sleeve, the matter of the pick 14 is effectively guaranteed
Amount safety, improves the safety of single unit system, increases whole practicability.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of coal mine anti-pick broken teeth device of medium-coal-rock roadheader cutting head, including pedestal (1), support base (9) and second
Shaft (18), it is characterised in that: the left inner surface of the pedestal (1) is provided with the first bolt (2), and the first bolt (2)
Upper end is provided with pick box (3), is offered accommodation groove (4) on the inside of the pick box (3), and the right side setting of pick box (3)
Have connecting rod (5), the right side inner surface of the pedestal (1) is provided with first sliding groove (6), and the right side outer surface of pedestal (1) is set
It is equipped with threaded hole (8), and threaded hole (8) is internally provided with the second bolt (7), the support base (9) is arranged in accommodation groove
(4) inside, and the first spring (10) are provided on the inside of support base (9), the upper end of first spring (10) is fixedly connected
Have link block (11), and be provided with fixing sleeve (12) on the outside of link block (11), is offered on the inside of the fixing sleeve (12)
Two sliding slots (13), and link block (11) are provided on the inside of second sliding slot (13), the upper end of the link block (11) is fixedly connected
Have pick (14), the outer surface of the fixing sleeve (12) is provided with fixed thread (15), the inside lower end of the link block (11)
It is provided with first rotating shaft (16), and is provided with motion bar (17) on the inside of first rotating shaft (16), the second shaft (18) setting
In the bottom of motion bar (17), and second spring (19) are provided on the inside of motion bar (17).
2. a kind of coal mine according to claim 1 anti-pick broken teeth device of medium-coal-rock roadheader cutting head, feature exist
In: the pick box (3) constitutes rotational structure by the first bolt (2) and pedestal (1), and pick box (3) is with support base (9)
It is threadedly coupled.
3. a kind of coal mine according to claim 1 anti-pick broken teeth device of medium-coal-rock roadheader cutting head, feature exist
In: the connecting rod (5) and pick box (3) is are welded to connect, and connecting rod (5) is ramp-like configuration, and connecting rod (5) is logical
It crosses first sliding groove (6) and pedestal (1) and constitutes slide construction.
4. a kind of coal mine according to claim 1 anti-pick broken teeth device of medium-coal-rock roadheader cutting head, feature exist
In: the support base (9) and motion bar (17) is are rotatablely connected, and support base (9) and link block (11) they are nested encryptions.
5. a kind of coal mine according to claim 1 anti-pick broken teeth device of medium-coal-rock roadheader cutting head, feature exist
In: the fixing sleeve (12) and support base (9) and pick box (3) constitute disassembly mounting structure, and fixing sleeve (12) and link block
It (11) is to be slidably connected.
6. a kind of coal mine according to claim 1 anti-pick broken teeth device of medium-coal-rock roadheader cutting head, feature exist
2 are symmetrically arranged with about the central point of the second shaft (18) in: the motion bar (17), and 2 motion bars (17) pass through the
Two springs (19) constitute elastic connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821710103.7U CN209195404U (en) | 2018-10-22 | 2018-10-22 | A kind of coal mine anti-pick broken teeth device of medium-coal-rock roadheader cutting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821710103.7U CN209195404U (en) | 2018-10-22 | 2018-10-22 | A kind of coal mine anti-pick broken teeth device of medium-coal-rock roadheader cutting head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195404U true CN209195404U (en) | 2019-08-02 |
Family
ID=67408644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821710103.7U Expired - Fee Related CN209195404U (en) | 2018-10-22 | 2018-10-22 | A kind of coal mine anti-pick broken teeth device of medium-coal-rock roadheader cutting head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997607A (en) * | 2020-09-14 | 2020-11-27 | 颜青马 | Durability detachable heading machine cutting tooth |
-
2018
- 2018-10-22 CN CN201821710103.7U patent/CN209195404U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997607A (en) * | 2020-09-14 | 2020-11-27 | 颜青马 | Durability detachable heading machine cutting tooth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20201022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |