CN215860260U - End bracket with detachable telescopic cushion frame - Google Patents
End bracket with detachable telescopic cushion frame Download PDFInfo
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- CN215860260U CN215860260U CN202121716600.XU CN202121716600U CN215860260U CN 215860260 U CN215860260 U CN 215860260U CN 202121716600 U CN202121716600 U CN 202121716600U CN 215860260 U CN215860260 U CN 215860260U
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- cushion frame
- support
- upper support
- machine head
- positioning pin
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Abstract
The utility model provides an end bracket with a detachable telescopic cushion frame, which comprises an end bracket and a telescopic cushion frame, wherein the telescopic cushion frame is arranged on the end bracket; the telescopic cushion frame comprises a machine head cushion frame, an upper support and a lower support, the machine head cushion frame is hinged with the upper support through a first positioning pin, and the machine head cushion frame can swing around the first positioning pin; the upper support is vertically movably arranged on the lower support, a hydraulic cylinder is fixedly arranged on the lower support, the movable end of the hydraulic cylinder is arranged on the upper support, and a positioning hole and a second positioning pin structure for limiting the height of the upper support are further arranged between the upper support and the lower support. The end support with the detachable telescopic cushion frame has the advantages of being capable of adapting to narrow roadways, reducing the bending deformation of the scraper conveyor, reducing the coal mining difficulty and prolonging the service life.
Description
Technical Field
The utility model relates to the field of coal mine mechanical equipment, in particular to an end support with a detachable telescopic cushion frame.
Background
The scraper conveyer is a continuous motion type conveying machine with a flexible body as a traction mechanism, and is a main component of mine conveying equipment. The end hydraulic support is used as a roadway support device and plays a role in supporting a roadway and protecting a reversed loader and a scraper head. Under the condition of a special working surface of a thin coal seam, because the working surface and a crossheading roadway have height difference, a machine head of the scraper is formed by assembling the machine head part of the scraper and the transmission device and is placed on the machine head cushion frame.
Generally, the whole scraper is laid on a working face, a scraper head is placed in a crossheading roadway, and a machine head cushion frame is fixed in height and used for supporting the machine head and realizing pushing forward of the machine head.
In the thin seam tunnel operation in-process, conventional aircraft nose pad frame often can not satisfy the actual demand, because the size is great, must still need dedicated hydraulic support to pass the pad frame, in addition, to the narrower tunnel of width, then more difficult aircraft nose pad frame and the end support of arranging.
Therefore, an end support can be arranged to meet the narrow characteristic of a low seam roadway, the requirement for pushing the head of the scraper conveyor can be met, and the problem of urgent need is solved.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides an end support with a detachable telescopic cushion frame, which can adapt to a narrower roadway, reduce the bending deformation of a scraper conveyor, reduce the coal mining difficulty and prolong the service life.
In order to achieve the purpose, the utility model adopts the technical scheme that: an end bracket with a detachable telescopic cushion frame comprises an end bracket and the telescopic cushion frame, wherein the telescopic cushion frame is detachably arranged on the end bracket;
the telescopic cushion frame comprises a machine head cushion frame, an upper support and a lower support, the machine head cushion frame is hinged with the upper support through a first positioning pin, and the machine head cushion frame can swing around the first positioning pin;
the upper support is vertically movably arranged on the lower support, a hydraulic cylinder is fixedly arranged on the lower support, the movable end of the hydraulic cylinder is arranged on the upper support, and a positioning hole and a second positioning pin structure for limiting the height of the upper support are further arranged between the upper support and the lower support.
The positioning holes are respectively arranged on two sides of the lower support and two sides of the upper support, the positioning holes are vertically arranged, and the second positioning pins can be inserted into the two rows of positioning holes in a pluggable mode.
The lower end of the middle of the machine head cushion frame is of a half-moon-plate structure, the first positioning pin is arranged at the position of the half-moon-plate structure, the top of the upper support is correspondingly provided with a pin hole, and the first positioning pin is arranged in the pin hole.
Basically, the width of the two sides of the upper bracket is set according to the width of the machine head cushion frame so as to limit the swing range of the machine head cushion frame.
The hydraulic cylinder is fixed on the lower support through the pressing plate, and the lower support is connected with the end support through the third positioning pin.
Compared with the prior art, the telescopic cushion has substantive characteristics and progress, and particularly, the telescopic cushion is designed to be detachable and can be increased or decreased according to needs; the end support with the telescopic cushion frame can be suitable for a narrow roadway, can adapt to the arrangement form of a thin coal seam along a working face with a broken top and a broken bottom, enables the whole scraper conveyor to stably run on the working face through the adjustment of the telescopic cushion frame under the condition that the height of a coal face changes, reduces the bending deformation of the scraper conveyor to the maximum extent, effectively reduces the coal mining difficulty, and prolongs the service life of the scraper conveyor.
Drawings
Fig. 1 is a schematic view showing the overall structure of the head support with the detachable and extensible cushion frame according to the present invention.
Fig. 2 is a schematic structural view of the retractable cushion frame of the present invention.
Fig. 3 is a second schematic structural view of the retractable cushion frame of the present invention.
In the figure: 1. an end bracket; 2. a telescopic cushion frame; 2-1, a machine head cushion frame; 2-2, mounting a bracket; 2-3, lower support; 2-4, a first positioning pin; 2-5, a second positioning pin; 2-6, pressing a plate; 2-7, a hydraulic cylinder; 2-8, and a third positioning pin.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
As shown in fig. 1-3, an end bracket with a detachable telescopic cushion frame comprises an end bracket 1 and a telescopic cushion frame 2, wherein the telescopic cushion frame 2 is detachably mounted on the end bracket 1.
The telescopic cushion frame 2 comprises a machine head cushion frame 2-1, an upper support frame 2-2 and a lower support frame 2-3, the machine head cushion frame 2-1 is hinged to the upper support frame 2-2 through a first positioning pin 2-4, the machine head cushion frame 2-1 can swing around the first positioning pin 2-4, specifically, the lower end of the middle of the machine head cushion frame 2-1 is of a half-moon-plate structure, the first positioning pin 2-4 is arranged at the position of the half-moon-plate structure, a pin hole is correspondingly formed in the top of the upper support frame 2-2, the first positioning pin 2-4 is installed in the pin hole, the width of the two sides of the upper support frame 2-2 is arranged according to the width of the machine head cushion frame 2-1, and therefore the swing range of the machine head cushion frame 2-1 is limited.
The upper support 2-2 is vertically movably mounted on the lower support 2-3, a hydraulic cylinder 2-7 is fixedly mounted on the lower support 2-3 through at least two pressing plates 2-6, the movable end of the hydraulic cylinder 2-7 is mounted on the upper support 2-2, a positioning hole and a second positioning pin 2-5 structure for limiting the height of the upper support 2-2 are further arranged between the upper support 2-2 and the lower support 2-3, the positioning holes are respectively arranged on two sides of the lower support 2-3 and two sides of the upper support 2-2, the positioning holes 2-2 are vertically arranged, and the second positioning pins 2-5 can be inserted into the two rows of positioning holes 2-2 in a pluggable manner.
The lower bracket 2-3 is connected with the end bracket 1 through a third positioning pin 2-8 so as to fix the telescopic cushion frame 2 on the end bracket 1.
The working principle is as follows:
the telescopic cushion frame 2 is arranged on the end support 1, the nose cushion frame 2-1 is connected with a nose of a scraper conveyor, the lifting height between the upper support 2-2 and the lower support 2-3 is controlled and adjusted through a hydraulic cylinder 2-7, and after the height adjustment is finished, the upper support and the lower support are positioned and locked by a second positioning pin 2-5 matched with a positioning hole so as to ensure that the nose part of the scraper conveyor is parallel to the whole working face and adapt to the height change of a bottom plate of the coal mining working face.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides an end support with dismantled and assembled flexible bed frame which characterized in that: the telescopic cushion frame is detachably arranged on the end bracket;
the telescopic cushion frame comprises a machine head cushion frame, an upper support and a lower support, the machine head cushion frame is hinged with the upper support through a first positioning pin, and the machine head cushion frame can swing around the first positioning pin;
the upper support is vertically movably arranged on the lower support, a hydraulic cylinder is fixedly arranged on the lower support, the movable end of the hydraulic cylinder is arranged on the upper support, and a positioning hole and a second positioning pin structure for limiting the height of the upper support are further arranged between the upper support and the lower support.
2. The head support with removable telescoping cushion frame of claim 1, wherein: the positioning holes are respectively arranged on two sides of the lower support and two sides of the upper support, the positioning holes are vertically arranged, and the second positioning pins can be inserted into the two rows of positioning holes in a pluggable mode.
3. The head support with removable telescoping cushion frame of claim 2, wherein: the lower end of the middle of the machine head cushion frame is of a half-moon-shaped plate structure, the first positioning pin is arranged at the position of the half-moon-shaped plate structure, the top of the upper support is correspondingly provided with a pin hole, and the first positioning pin is arranged in the pin hole.
4. The head support with removable telescoping cushion frame of claim 3, wherein: the width of the two sides of the upper support is set according to the width of the machine head cushion frame so as to limit the swing range of the machine head cushion frame.
5. The head support with removable telescoping cushion frame of claim 4, wherein: the hydraulic cylinder is fixed on the lower bracket through a pressing plate.
6. The head support with removable telescoping cushion frame of claim 4, wherein: the lower bracket is connected with the end bracket through a third positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121716600.XU CN215860260U (en) | 2021-07-27 | 2021-07-27 | End bracket with detachable telescopic cushion frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121716600.XU CN215860260U (en) | 2021-07-27 | 2021-07-27 | End bracket with detachable telescopic cushion frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215860260U true CN215860260U (en) | 2022-02-18 |
Family
ID=80331917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121716600.XU Active CN215860260U (en) | 2021-07-27 | 2021-07-27 | End bracket with detachable telescopic cushion frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215860260U (en) |
-
2021
- 2021-07-27 CN CN202121716600.XU patent/CN215860260U/en active Active
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