CN202832539U - Position-limiting device of coal mining machine and scraper conveyor with position-limiting device of coal mining machine - Google Patents
Position-limiting device of coal mining machine and scraper conveyor with position-limiting device of coal mining machine Download PDFInfo
- Publication number
- CN202832539U CN202832539U CN 201220493461 CN201220493461U CN202832539U CN 202832539 U CN202832539 U CN 202832539U CN 201220493461 CN201220493461 CN 201220493461 CN 201220493461 U CN201220493461 U CN 201220493461U CN 202832539 U CN202832539 U CN 202832539U
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- Prior art keywords
- coal
- winning machine
- stopping means
- pedestal
- machine stopping
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Abstract
The utility model provides a position-limiting device of a coal mining machine and a scraper conveyor with the position-limiting device of the coal mining machine. The position-limiting device of the coal mining machine comprises a base, a position-limiting baffle plate, a telescopic rod, a cushioning element and a positioning element, wherein the position-limiting baffle plate is arranged on the base; the telescopic rod is telescopically arranged on the position-limiting baffle plate; the cushioning element is arranged on the telescopic rod; and the positioning element is fixed on the base and used for fixing the base on a shovel plate of the scraper conveyor. The position-limiting device of the coal mining machine can cushion the impact of a skid shoe and prevent greater damages caused by rigid collision between the coal mining machine and the scraper conveyor, thereby prolonging the service life of the coal mining machine and the scraper conveyor. In addition, the position-limiting device of the coal mining machine is connected on the shovel plate through a bolt, so that the position-limiting device is convenient to detach and maintain.
Description
Technical field
The utility model relates to a kind of coal-winning machine stopping means and has the drag conveyor of this coal-winning machine stopping means.
Background technology
At present, mostly adopt following two kinds of forms at the drag conveyor two ends to adopting the position: the one, at the pin rail at drag conveyor two ends fixture block is installed, by realizing the rack rails of coal-winning machine is spacing; The 2nd, welded limiting baffle plate on the shovel board at drag conveyor two ends is by realizing the piston shoes of coal-winning machine are spacing.
For the first form, because coal-winning machine does a large amount of reciprocating motions at drag conveyor, the spacing form that fixture block is installed at the pin rail is impacted the rack rails of coal-winning machine and is caused very large damage, has seriously reduced the life-span of coal-winning machine walking gear;
For the second form, although simple in structure, can't dismantle, keep in repair very inconveniently, in case damage, must weld maintenance behind the gug.In addition, because postive stop baffle is to be welded on the shovel board, without any damping, buffering measure, rigid impact causes very large damage to component.
The utility model content
For defects and the deficiency that overcomes prior art, the purpose of this utility model is to provide a kind of coal-winning machine and the direct rigid collision of drag conveyor and easy-to-dismount coal-winning machine stopping means avoided, and this coal-winning machine stopping means comprises pedestal; Postive stop baffle, it is arranged on the described pedestal; Expansion link, its telescopically are arranged on the described postive stop baffle; Buffer element, it is arranged on the described expansion link; And setting element, it is fixed on the described pedestal, and described setting element is used for described pedestal is fixed on the drag conveyor shovel board.
Further, described setting element comprises and is arranged at the alignment pin on the described pedestal and is held in holding part on the described alignment pin.
Further, offer be used to the locating groove that holds described holding part on the perisporium of contiguous its free end of described alignment pin, one end of described holding part is held in the described locating groove, the other end extends outside the described locating groove and forms extension, offer on the described extension be used to the locating hole that wears bolt, described bolt lock onto described holding part on the described shovel board.
Further, offer through hole on the described postive stop baffle, described expansion link comprises bar section, be connected in the positive stop end of described bar section one end and be arranged at the plate that supports of the described bar section other end, and described buffer element one end supports described and supports on the plate, and the other end supports on described postive stop baffle.
Further, offer through hole on the described postive stop baffle, described expansion link comprises bar section and is arranged at the plate that supports of described bar section one end, described coal-winning machine stopping means also comprises a sleeve, and the openend of described sleeve is provided with flanging, and described sleeve is fixed in the described through hole, described flanging is fixed on the described postive stop baffle, described buffer element is set in the described bar section, and an end supports described and supports on the plate, and the other end supports on described flanging.
Further, described setting element comprises bolt and nut, and described bolt one end is fixed on the described pedestal, described nut check on the described bolt so that described pedestal is fixed on the described shovel board.
Further, fix a stiffener on the bottom surface of described pedestal, offer a plurality of holes on the described stiffener, an end of described alignment pin is arranged in the described hole and with described pedestal and is connected.
Further, the bottom surface of described pedestal offers a plurality of blind holes, and an end of described alignment pin is fixed in the described blind hole.
Further, described this pedestal and described postive stop baffle, described setting element are connected in one by welding.
Coal-winning machine stopping means of the present utility model can cushion the bump of these piston shoes, prevents that coal-winning machine and drag conveyor from producing rigid collision and causing larger damage, thereby has improved the application life of coal-winning machine and drag conveyor.In addition, this coal-winning machine stopping means is bolted on shovel board, therefore is convenient to detachable maintaining.
The utility model also proposes a kind of drag conveyor that is provided with above-mentioned coal-winning machine stopping means.Because above-mentioned coal-winning machine stopping means has above-mentioned technique effect, therefore, the drag conveyor that is provided with this coal-winning machine stopping means also has corresponding technique effect.
Description of drawings
The accompanying drawing that consists of a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
The coal-winning machine stopping means that Figure 1 shows that the utility model embodiment is installed in the partial structurtes schematic diagram on the coal-winning machine.
Figure 2 shows that the structural representation of the coal-winning machine stopping means of the utility model embodiment.
Figure 3 shows that the schematic diagram of the another kind of form of structure of the coal-winning machine stopping means among Fig. 2.
Figure 4 shows that coal-winning machine stopping means among Fig. 2 or Fig. 3 the schematic diagram of another form of structure.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1 and Fig. 2, the utility model provides a kind of coal-winning machine stopping means, and it is arranged on the drag conveyor, in order to limit the movement travel of coal-winning machine on drag conveyor.
This drag conveyor comprises shovel board 11, and this coal-winning machine is arranged on this shovel board 11 actively by piston shoes.Offer installing hole on this shovel board 11, this installing hole is used for arranging this coal-winning machine stopping means.
This coal-winning machine stopping means comprises pedestal 2, be arranged at postive stop baffle 3, telescopically on this pedestal 2 is arranged at expansion link 4 on this postive stop baffle 3, is arranged at the buffer element 5 on this expansion link 4 and is arranged at setting element on this pedestal 2.Wherein, this pedestal 2 is connected in one by welding with this postive stop baffle 3, this setting element.
This pedestal 2 is used for fixing this setting element and this postive stop baffle 3, and this expansion link 4 is led.
This postive stop baffle 3 is fixed on an end of this pedestal 2, offers the through hole (not shown) on this postive stop baffle 3, and this through hole is used for arranging this expansion link 4.
These expansion link 4 telescopicallies are arranged in the through hole of this postive stop baffle 3.This expansion link 4 comprises bar section 41, be connected in the positive stop end 43 of these bar section 41 1 ends and be arranged at these bar section 41 other ends support plate 45.This bar section 41 is arranged in this through hole, and the diameter of this positive stop end 43 is greater than this through hole, and this positive stop end 43 is used for limiting the range of stretching out of this expansion link 4 when this expansion link 4 stretches.Preferably, the sidewall of this positive stop end 43 contacts with this pedestal 2, with for this expansion link 4 is led, does stretching motion to limit this expansion link 4 along the direction that is parallel to this pedestal 2.This diameter that supports plate 45 is also greater than this through hole, and this supports plate 45 for supporting this buffer element 5, so that this buffer element 5 is arranged at this postive stop baffle 3 and this supports between the plate 45.
This buffer element 5 is set in this bar section 41, and an end of this buffer element 5 supports at this and supports on the plate 45, and the other end supports on this postive stop baffle 3.When doing contractile motion when these expansion link 4 pressurizeds, this buffer element 5 is compressed.When external force was removed, this expansion link 4 returned to original state under the effect of these buffer element 5 elastic forces.In the utility model, this buffer element 5 is preferably spring.
This setting element is fixed on the bottom surface of this pedestal 2, is used for this pedestal 2 is fixed on this shovel board 11.This setting element comprises alignment pin 6 and holding part 7.
The position of this alignment pin 6 is corresponding with this installing hole, thereby this alignment pin 6 can be arranged in this installing hole.Offer locating groove 61 on the perisporium of these alignment pin 6 contiguous its free ends, this locating groove 61 is used for holding this holding part 7.This alignment pin 6 is mainly bearing the impact force from piston shoes, therefore the physical dimension of this alignment pin 6 is had certain requirement, must satisfy and can bear the needs of piston shoes horizontal direction shearing force.
One end of this holding part 7 is held in this locating groove 61, and the other end extends and forms extension 71 outside this locating groove 61.Offer be used to the locating hole 73 that wears bolt 9 on this extension 71.This bolt 9 can lock onto this holding part 7 on this pedestal 2, thereby this coal-winning machine stopping means is fixed on this shovel board 11.
This coal-winning machine stopping means is installed on this shovel board 11 time, this alignment pin 6 is arranged in this installing hole, and this pedestal 2 is contacted with this shovel board 11.Then this holding part 7 is held in this locating groove 61.Penetrate this bolt 9 in this locating hole 73 at last and lock onto on this shovel board 11.So far, this coal-winning machine stopping means is fixed on this shovel board 11.
When the piston shoes of coal-winning machine clashed in these shovel board 11 slips and to this coal-winning machine stopping means, these piston shoes promoted the direction motion that this expansion link 4 slides to these piston shoes, thereby make this buffer element 5 compressed.Therefore, this coal-winning machine stopping means can cushion the bump of these piston shoes, prevents that coal-winning machine and drag conveyor from producing rigid collision and cause larger damage, thus the application life of having improved coal-winning machine and drag conveyor.In addition, this coal-winning machine stopping means is bolted on shovel board, therefore is convenient to detachable maintaining.
See also Fig. 3, be appreciated that, for the adhesion between this alignment pin 6 and this pedestal 2 is increased, to satisfy larger impact force is cushioned, can also fix a stiffener 22 on the bottom surface of this pedestal 2, offer a plurality of holes on this stiffener 22, an end of this alignment pin 6 is arranged in this hole and with this pedestal 2 and is connected.Perhaps, directly offer a plurality of blind holes in the bottom surface of this pedestal 2, an end of this alignment pin 6 directly is fixed in this blind hole.
See also Fig. 4, be appreciated that, this expansion link 4 is except said structure, can also be other structures, for example, what this expansion link 4 only comprised bar section 41 and was arranged at these bar section 41 1 ends supports plate 45, and this coal-winning machine stopping means also comprises a sleeve 8, this sleeve 8 comprises an openend and the blind end relative with this openend, and this openend is provided with flanging 81.This sleeve 8 is fixed in this through hole, and this flanging 81 is fixed on this postive stop baffle 3.These bar section 41 telescopicallies are arranged in this sleeve 8.This buffer element 5 is set in this bar section 41, and an end supports at this and supports on the plate 45, and the other end supports on this flanging 81.
Be appreciated that this alignment pin 6 can be substituted by bolt, this holding part 7 can be substituted by nut, and this bolt one end is fixed on this pedestal 2, this nut check on this bolt so that this pedestal 2 is fixed on this shovel board 11.
The utility model also provides a kind of drag conveyor with above-mentioned coal-winning machine stopping means, because above-mentioned coal-winning machine stopping means has above-mentioned technique effect, therefore, the drag conveyor that is provided with this coal-winning machine stopping means also should possess corresponding technique effect, its specific implementation process is similar to the above embodiments, therefore do not give unnecessary details.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a coal-winning machine stopping means is characterized in that, comprising:
Pedestal (2);
Postive stop baffle (3), it is arranged on the described pedestal (2);
Expansion link (4), its telescopically are arranged on the described postive stop baffle (3);
Buffer element (5), it is arranged on the described expansion link (4); And
Setting element, it is fixed on the described pedestal (2), and described setting element is used for described pedestal (2) is fixed on drag conveyor shovel board (11).
2. coal-winning machine stopping means according to claim 1 is characterized in that, described setting element comprises the alignment pin (6) that is arranged on the described pedestal (2) and is held in holding part (7) on the described alignment pin (6).
3. coal-winning machine stopping means according to claim 2, it is characterized in that, offer be used to the locating groove that holds described holding part (7) (61) on the perisporium of contiguous its free end of described alignment pin (6), one end of described holding part (7) is held in the described locating groove (61), the other end extends and forms extension (71) outside the described locating groove (61), offer on the described extension (71) be used to the locating hole that wears bolt (9) (73), described bolt (9) lock onto described holding part (7) on the described shovel board (11).
4. coal-winning machine stopping means according to claim 3, it is characterized in that, described postive stop baffle offers through hole on (3), described expansion link (4) comprises bar section (41), be connected in the positive stop end (43) of described bar section (41) one ends and be arranged at described bar section (41) other end support plate (45), described buffer element (5) one ends support described and support on the plate (45), and the other end supports on described postive stop baffle (3).
5. coal-winning machine stopping means according to claim 3, it is characterized in that, described postive stop baffle offers through hole on (3), what described expansion link (4) comprised bar section (41) and was arranged at described bar section (41) one ends supports plate (45), described coal-winning machine stopping means also comprises a sleeve (8), the openend of described sleeve (8) is provided with flanging (81), described sleeve (8) is fixed in the described through hole, described flanging (81) is fixed on the described postive stop baffle (3), described buffer element (5) is set in the described bar section (41), one end supports described and supports on the plate (45), and the other end supports on described flanging (81).
6. coal-winning machine stopping means according to claim 1, it is characterized in that, described setting element comprises bolt and nut, and described bolt one end is fixed on the described pedestal (2), described nut check on the described bolt so that described pedestal (2) is fixed on the described shovel board (11).
7. coal-winning machine stopping means according to claim 2, it is characterized in that, fix a stiffener (22) on the bottom surface of described pedestal (2), described stiffener offers a plurality of holes on (22), and an end of described alignment pin (6) is arranged in the described hole and with described pedestal (2) and is connected.
8. coal-winning machine stopping means according to claim 2 is characterized in that, the bottom surface of described pedestal (2) offers a plurality of blind holes, and an end of described alignment pin (6) is fixed in the described blind hole.
9. each described coal-winning machine stopping means is characterized in that according to claim 1-8, and described this pedestal (2) is connected in one by welding with described postive stop baffle (3), described setting element.
10. a drag conveyor is characterized in that, described drag conveyor is provided with such as each described coal-winning machine stopping means among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220493461 CN202832539U (en) | 2012-09-25 | 2012-09-25 | Position-limiting device of coal mining machine and scraper conveyor with position-limiting device of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220493461 CN202832539U (en) | 2012-09-25 | 2012-09-25 | Position-limiting device of coal mining machine and scraper conveyor with position-limiting device of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202832539U true CN202832539U (en) | 2013-03-27 |
Family
ID=47944271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220493461 Expired - Fee Related CN202832539U (en) | 2012-09-25 | 2012-09-25 | Position-limiting device of coal mining machine and scraper conveyor with position-limiting device of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202832539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742141A (en) * | 2013-12-27 | 2014-04-23 | 三一重型装备有限公司 | Support part damping device and coal mining machine |
-
2012
- 2012-09-25 CN CN 201220493461 patent/CN202832539U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742141A (en) * | 2013-12-27 | 2014-04-23 | 三一重型装备有限公司 | Support part damping device and coal mining machine |
| CN103742141B (en) * | 2013-12-27 | 2016-08-17 | 三一重型装备有限公司 | Supporting part damping device and coal-winning machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20160925 |