CN111396108A - Support limiting device and support limiting method for middle groove of scraper conveyor - Google Patents
Support limiting device and support limiting method for middle groove of scraper conveyor Download PDFInfo
- Publication number
- CN111396108A CN111396108A CN202010217740.6A CN202010217740A CN111396108A CN 111396108 A CN111396108 A CN 111396108A CN 202010217740 A CN202010217740 A CN 202010217740A CN 111396108 A CN111396108 A CN 111396108A
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- base
- limiting
- middle groove
- support
- vertical
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 7
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims 1
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 229920002681 hypalon Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
- E21D23/10—Advancing mechanisms with advancing devices separate from the supporting construction
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Jigging Conveyors (AREA)
Abstract
The invention discloses a support limiting device and a support limiting method for a middle groove of a scraper machine, wherein the support limiting device comprises a limiting mechanism, the limiting mechanism is arranged on the middle groove and is opposite to a base of a support, and the limiting mechanism is used for limiting the moving range of the base below the middle groove so as to enable the middle groove and the base to be parallel. The middle groove is provided with the limiting mechanism to limit the moving range of the base below the middle groove, so that the middle groove and the base are kept parallel when the support is pushed, the support and the scraper machine are kept parallel, the pushing lug is prevented from being deformed or broken due to single-side stress, and the frequency of damage to a crosshead connected with the pushing lug on the support is reduced when the support and the scraper machine are in correct relative positions is ensured.
Description
Technical Field
The invention belongs to the technical field of mining machinery, and particularly relates to a support limiting device and a support limiting method for a middle groove of a scraper conveyor.
Background
At present, combine the exploitation of adopting the working face, obtained more and more coal mine enterprise's attention, in order to can effectual exploitation to and the efficient operation requirement under the better adaptation combines adopting the working face condition, consequently, will notice the relative position relation between support and the scraper blade machine, for guarantee the support promptly and scrape the level setting between the scraper blade machine, and when the relative position between support and the scraper blade machine changes, need in time correct.
Because the existing scraper conveyor is connected with the pushing crosshead of the support through the pushing lug on the middle groove, in the process of pushing the support, the position relation between the support and the scraper conveyor changes, relative parallelism between the support and the scraper conveyor cannot be guaranteed, and then the single-side stress of the pushing lug on the middle groove is caused, so that the pushing lug deforms or breaks, and the efficiency of a working face is reduced or the damaged parts are stopped to be replaced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a support limiting device and a support limiting method for a middle groove of a scraper machine, so that the middle groove and a base are kept parallel when the support is pushed, and further the support and the scraper machine are kept parallel.
The invention provides a bracket limiting device for a middle groove of a scraper conveyor, which comprises:
and the limiting mechanism is arranged on the middle groove and is opposite to the base of the support, and the limiting mechanism is used for limiting the moving range of the base below the middle groove so that the middle groove and the base are kept parallel.
Further, stop gear is including being located the limiting plate of the lapse ear both sides on the middle part groove, the limiting plate includes:
the vertical limiting part is connected with the middle groove and positioned above the top surface of the base, and is used for limiting the top surface of the base to move towards the middle groove when the top surface of the base is in contact with the vertical limiting part;
the horizontal limiting part is positioned on one side of the vertical limiting part and close to the side face of the base, and the horizontal limiting part is used for limiting the side face of the base to move along the length direction of the middle groove when the side face of the base is in contact with the horizontal limiting part.
Furthermore, the vertical limiting part is detachably connected with the middle groove through a bolt.
Furthermore, one side of the vertical limiting part and one side of the horizontal limiting part, which are close to the base, are both provided with buffer layers.
Further, the buffer layer is made of an elastomer material.
Furthermore, the vertical limiting part and the horizontal limiting part are detachably connected with the buffer layer through bolts.
Further, support stop device is still apart from detection mechanism, apart from detection mechanism includes:
the first distance sensor is arranged on the vertical limiting part and used for detecting the distance between the vertical limiting part and the top surface of the base;
and the second distance sensor is arranged on the horizontal limiting part and used for detecting the distance between the horizontal limiting part and the side surface of the base.
Further, the support limiting device further comprises an adjusting mechanism, the adjusting mechanism comprises a longitudinal adjusting portion connected with the base, and the longitudinal adjusting portion is used for adjusting the position of the base below the middle groove when the first distance sensor detects that the distance between the vertical limiting portion and the top surface of the base is smaller than a preset value, so that the distance between the vertical limiting portion and the top surface of the base is not smaller than the preset value.
Further, the adjusting mechanism further comprises a transverse adjusting portion connected with the base, the adjusting mechanism comprises a transverse adjusting portion connected with the base, and the transverse adjusting portion is used for adjusting the position of the base below the middle groove when the second distance sensor detects that the distance between the horizontal limiting portion and the side face of the base is smaller than a preset value, so that the distance between the horizontal limiting portion and the side face of the base is not smaller than the preset value.
The invention provides a bracket limiting method for a scraper conveyor middle groove, which comprises the following steps:
installing a limiting mechanism on the middle groove, and enabling the limiting mechanism to be arranged opposite to the base of the bracket;
the bracket is connected with a pushing lug on the middle groove in a sliding way through a cross head, and the bracket is pushed to move under the middle groove;
if the base of the support is in contact with the limiting mechanism, the position of the support is adjusted to separate the base from the limiting mechanism, and the middle groove is parallel to the base.
The invention provides a support limiting device and a support limiting method for a middle groove of a scraper, which are used for limiting the moving range of a base below the middle groove by arranging a limiting mechanism on the middle groove, so that the middle groove and the base are kept parallel when the support is pushed, and further the support and the scraper are kept parallel, and meanwhile, the deformation or the breakage of a pushing lug due to the stress on one side is avoided, and the frequency of damage to a crosshead connected with the pushing lug on the support is also reduced when the correct relative position of the support and the scraper is ensured.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the connection of the middle trough of a prior art scraper to the base of a stand;
FIG. 2 is a schematic view of the connection of the middle groove to the bracket base after the bracket position limiting device of the exemplary embodiment of the present invention is provided;
fig. 3 is a schematic flow chart of a method for limiting the support of the scraper conveyor middle trough according to an exemplary embodiment of the present invention.
In the figure: 1-a limiting mechanism, 2-a middle groove, 3-a base, 4-a pushing lug, 5-a crosshead, 101-a vertical limiting part, 102-a horizontal limiting part and 103-a buffer layer.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; 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 by those skilled in the art according to specific situations.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The middle groove of the scraper conveyor in the prior art is connected with the base of the bracket as shown in figure 1, because the existing scraper conveyor is connected with the crosshead 5 of the bracket through the pushing lug 4 on the middle groove 2, the relative parallelism between the bracket and the scraper conveyor cannot be ensured because the position relation between the bracket and the scraper conveyor changes in the process of pushing the bracket, and then the pushing lug 4 on the middle groove is stressed on one side, so that the pushing lug 4 deforms or breaks, and the efficiency of the working face is reduced or the damaged parts are stopped to be replaced.
Therefore, in order to solve the problem that the relative parallelism between the support and the scraper conveyor cannot be ensured in the support moving process in the prior art, the invention provides a support limiting device and a support limiting method for a middle groove of the scraper conveyor.
The invention provides a support limiting device for a middle groove of a scraper conveyor, and the support limiting device is characterized by comprising a limiting mechanism 1, wherein the limiting mechanism 1 is arranged on the middle groove 2 and is opposite to a base 3 of a support, and the limiting mechanism 1 is used for limiting the moving range of the base 3 below the middle groove 2 so as to enable the middle groove 2 and the base 3 to be parallel.
The limiting mechanism 1 is arranged on the middle groove 2 to limit the moving range of the base 3 below the middle groove 2, so that the middle groove 2 and the base 3 are kept parallel when the support is pushed, the support and the scraper machine are kept parallel, the pushing lug 4 is prevented from being deformed or broken due to unilateral stress, and the frequency of damage to a crosshead 5 connected with the pushing lug 4 on the support is reduced when the correct relative position of the support and the scraper machine is ensured, therefore, the support limiting device provided by the invention not only can improve the use efficiency of working face fully mechanized mining equipment, but also can prevent the pushing lug 4 and the crosshead 5 from being damaged.
As a preferred embodiment, the limiting mechanism 1 includes limiting plates located at two sides of the pushing lug 4 on the middle groove 2, the limiting plates include a vertical limiting portion 101 and a horizontal limiting portion 102, the vertical limiting portion 101 is connected with the middle groove 2 and located above the top surface of the base 3, and the vertical limiting portion 101 is used for limiting the top surface of the base 3 from moving to the middle groove 2 when the top surface of the base 3 contacts with the vertical limiting portion 101; the horizontal limiting portion 102 is located on one side of the vertical limiting portion 101 and close to the side surface of the base 3, and the horizontal limiting portion 102 is used for limiting the side surface of the base 3 to move along the length direction of the middle groove 2 when the side surface of the base 3 is in contact with the horizontal limiting portion 102. In this embodiment, the horizontal limiting portions 102 are located on both sides of the outer side surface of the base 3 away from the pushing lug 4, so that the base 3 is half surrounded by the limiting mechanism 1, and when the bracket is pushed, the limiting plates are arranged on both sides of the pushing lug 4, so as to limit the moving range of the base 3 below the middle groove 2, and further, under the condition that the middle groove 2 and the base 3 are parallel, the problem that the pushing lug 4 is deformed or broken due to the force applied to one side of the pushing lug 4 can be avoided.
In a preferred embodiment, the vertical position-limiting part 101 is detachably connected with the middle groove 2 through a bolt. In this embodiment, the vertical limiting portion 101 may be fixedly connected to the middle groove 2 by welding, but the vertical limiting portion 101 is detachably connected to the middle groove 2 by bolts, so that the repeated applicability of the limiting mechanism 1 can be increased, and the problem that one limiting mechanism 1 is welded to each middle groove 2 is solved.
In a preferred embodiment, the vertical position-limiting part 101 and the horizontal position-limiting part 102 are both provided with a buffer layer 103 on the side close to the base 3. Because in the process of advancing the support, the base 3 of support sometimes can collide with vertical spacing portion 101 and horizontal spacing portion 102, consequently, can cause the damage to base 3 and stop gear 1 to a certain extent, this embodiment is through all setting up buffer layer 103 on vertical spacing portion 101 and horizontal spacing portion 102, slow down the collision between base 3 and vertical spacing portion 101 and the horizontal spacing portion 102, and then reduced between base 3 and the stop gear 1 because the collision causes the damage.
As a preferred embodiment, the buffer layer 103 is made of an elastomeric material. In this embodiment, the elastomeric material comprises one or more of neoprene, chlorosulfonated polyethylene, polyvinyl chloride, and silicone rubber.
In a preferred embodiment, the vertical position-limiting part 101 and the horizontal position-limiting part 102 are detachably connected to the buffer layer 103 by bolts.
As a preferred embodiment, the bracket limiting device further comprises a distance detection mechanism, the distance detection mechanism comprises a first distance sensor and a second distance sensor, the first distance sensor is arranged on the vertical limiting part 101, and the first distance sensor is used for detecting the distance between the vertical limiting part 101 and the top surface of the base 3; the second distance sensor is arranged on the horizontal limiting part 102 and used for detecting the distance between the horizontal limiting part 102 and the side surface of the base 3. In this embodiment, the distance between the vertical limiting part 101 and the horizontal limiting part 102 and the base 3 is detected by the distance detection mechanism, so that the movement of the base 3 of the bracket can be detected, and the moving position of the base 3 can be conveniently controlled, thereby ensuring that the middle groove 2 and the base 3 are kept parallel.
As a preferred embodiment, the bracket limiting device further comprises an adjusting mechanism, the adjusting mechanism comprises a longitudinal adjusting portion connected with the base 3, and the longitudinal adjusting portion is used for adjusting the position of the base 3 below the middle groove 2 when the first distance sensor detects that the distance between the vertical limiting portion 101 and the top surface of the base 3 is smaller than a preset value, so that the distance between the vertical limiting portion 101 and the top surface of the base 3 is not smaller than the preset value.
In a preferred embodiment, the adjusting mechanism further includes a lateral adjusting portion connected to the base 3, the adjusting mechanism includes a lateral adjusting portion connected to the base 3, and the lateral adjusting portion is configured to adjust a position of the base below the middle groove 2 when the second distance sensor detects that the distance between the horizontal limiting portion 102 and the side surface of the base is smaller than a preset value, so that the distance between the horizontal limiting portion 102 and the side surface of the base 3 is not smaller than the preset value.
The invention provides a bracket limiting method for a middle groove of a scraper machine, which comprises the following steps:
s100, mounting the limiting mechanism 1 on the middle groove 2, and enabling the limiting mechanism 1 to be arranged opposite to the base 3 of the support;
s200, the bracket is in sliding connection with a pushing lug 4 on the middle groove 2 through a crosshead 5, and the bracket is pushed to move under the middle groove 2;
and S300, if the base 3 of the support is in contact with the limiting mechanism 1, adjusting the position of the support to separate the base 3 from the limiting mechanism 1, and further keeping the middle groove 2 and the base 3 parallel.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a support stop device for scraping trigger middle part groove which characterized in that includes:
the limiting mechanism (1) is arranged on the middle groove (2) and is opposite to the base (3) of the support, and the limiting mechanism (1) is used for limiting the moving range of the base (3) below the middle groove (2) to enable the middle groove (2) and the base (3) to be parallel.
2. The support limiting device for the middle groove of the scraper conveyor according to claim 1, wherein the limiting mechanism (1) comprises limiting plates located on two sides of a pushing lug (4) on the middle groove (2), and the limiting plates comprise:
the vertical limiting part (101) is connected with the middle groove (2) and is positioned above the top surface of the base (3), and the vertical limiting part (101) is used for limiting the top surface of the base (3) to move towards the middle groove (2) when the top surface of the base (3) is in contact with the vertical limiting part (101);
the horizontal limiting part (102) is located on one side of the vertical limiting part (101) and close to the side face of the base (3), and the horizontal limiting part (102) is used for limiting the side face of the base (3) to move along the length direction of the middle groove (2) when the side face of the base (3) is in contact with the horizontal limiting part (102).
3. The support limiting device for the middle groove of the scraper machine as claimed in claim 2, characterized in that the vertical limiting part (101) is detachably connected with the middle groove (2) by bolts.
4. The support stop device for the scraper chain machine central trough according to claim 2, characterized in that the vertical stop part (101) and the horizontal stop part (102) are provided with a buffer layer (103) on the side close to the base (2).
5. The support stop device for the scraper blade central trough as claimed in claim 4, characterised in that said breaker (103) is made of elastomeric material.
6. The support limiting device for the middle trough of the scraper conveyor as claimed in claim 5, characterized in that the vertical limiting part (101) and the horizontal limiting part (102) are both detachably connected to the buffer layer (103) by means of bolts.
7. The support limiting device for the middle groove of the scraper conveyor as claimed in claim 2, wherein the support limiting device further comprises a distance detection mechanism, and the distance detection mechanism comprises:
the first distance sensor is arranged on the vertical limiting part (101) and used for detecting the distance between the vertical limiting part (101) and the top surface of the base (3);
and the second distance sensor is arranged on the horizontal limiting part (102) and used for detecting the distance between the horizontal limiting part (102) and the side surface of the base (3).
8. The support limiting device for the middle groove of the scraper conveyor as claimed in claim 7, further comprising an adjusting mechanism, wherein the adjusting mechanism comprises a longitudinal adjusting portion connected to the base (3), and the longitudinal adjusting portion is used for adjusting the position of the base (3) below the middle groove (2) when the first distance sensor detects that the distance between the vertical limiting portion (101) and the top surface of the base (3) is smaller than a preset value, so that the distance between the vertical limiting portion (101) and the top surface of the base (3) is not smaller than the preset value.
9. The support limiting device for the middle groove of the scraper conveyor as claimed in claim 7, wherein the adjusting mechanism further comprises a lateral adjusting part connected with the base (3), the adjusting mechanism comprises a lateral adjusting part connected with the base (3), and the lateral adjusting part is used for adjusting the position of the base (3) below the middle groove (2) when the second distance sensor detects that the distance between the horizontal limiting part (102) and the side surface of the base (3) is smaller than a preset value, so that the distance between the horizontal limiting part (102) and the side surface of the base (3) is not smaller than the preset value.
10. A support limiting method for a middle groove of a scraper conveyor is characterized by comprising the following steps:
installing a limiting mechanism (1) on the middle groove (2), and enabling the limiting mechanism (1) to be arranged opposite to a base (3) of the bracket;
the bracket is connected with a pushing lug (4) on the middle groove (2) in a sliding way through a crosshead (5) and is pushed to move under the middle groove (2);
if the base (3) of the support is in contact with the limiting mechanism (1), the position of the support is adjusted, the base (3) is separated from the limiting mechanism (1), and the middle groove (4) is parallel to the base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010217740.6A CN111396108A (en) | 2020-03-25 | 2020-03-25 | Support limiting device and support limiting method for middle groove of scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010217740.6A CN111396108A (en) | 2020-03-25 | 2020-03-25 | Support limiting device and support limiting method for middle groove of scraper conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111396108A true CN111396108A (en) | 2020-07-10 |
Family
ID=71432855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010217740.6A Pending CN111396108A (en) | 2020-03-25 | 2020-03-25 | Support limiting device and support limiting method for middle groove of scraper conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111396108A (en) |
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2020
- 2020-03-25 CN CN202010217740.6A patent/CN111396108A/en active Pending
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