CN214494515U - A locating pin for detachable middle part groove medium plate - Google Patents
A locating pin for detachable middle part groove medium plate Download PDFInfo
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- CN214494515U CN214494515U CN202023306651.3U CN202023306651U CN214494515U CN 214494515 U CN214494515 U CN 214494515U CN 202023306651 U CN202023306651 U CN 202023306651U CN 214494515 U CN214494515 U CN 214494515U
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- positioning pin
- middle plate
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Abstract
The utility model belongs to the technical field of scraper conveyors, in particular to a positioning pin for a detachable middle trough middle plate, which comprises an upper middle plate and a lower middle plate, wherein the lower middle plate is fixed between a shovel plate ledge of a scraper conveyor and a baffle ledge of the scraper conveyor, and the upper middle plate is movably connected with the lower middle plate through the positioning pin; the positioning pin comprises an upper positioning pin and a lower positioning pin, the upper positioning pin comprises a circular body I with a bolt hole, a circular bulge is arranged on one side end face of the upper positioning pin, the lower positioning pin comprises a circular body II with a bolt hole, and a circular groove matched with the circular bulge is arranged on one side end face of the lower positioning pin; the round body I of the upper positioning pin is embedded in the upper middle plate, and the round body II of the lower positioning pin is embedded in the lower middle plate; the upper middle plate and the lower middle plate are movably connected through a bolt axially penetrating through the positioning pin, and a bolt head of the bolt is provided with an inner hexagonal groove. The positioning pin integrates the positioning function and the bolt connection function, and facilitates the movable connection of the upper middle plate and the lower middle plate.
Description
Technical Field
The utility model belongs to the technical field of the scraper conveyor, concretely relates to a locating pin that is used for detachable middle part groove medium plate.
Background
The mining scraper conveyor is an important component of three machines on a fully mechanized mining face, is a walking track of a coal mining machine, is a support moving fulcrum of a hydraulic support, and is a coal conveying channel of the working face. Therefore, the scraper conveyor with high reliability and convenient maintenance is particularly important for the fully mechanized mining face. The scraper conveyor theory of use realizes coal through the cyclic motion of scraping the board chain and transports the purpose, scrapes the board chain and is the sliding friction motion between the medium plate, consequently the medium plate wearing and tearing are serious in the use, often need change middle part groove, waste time and energy, influence production. The prior art changes the original middle plate into an upper middle plate and a lower middle plate, sliding friction motion is adopted between the scraper chain and the upper middle plate, and the upper middle plate and the lower middle plate are movably connected through bolts, so that the middle plate of the middle groove of the mining scraper conveyor can be quickly replaced underground through dismounting the bolts after the upper middle plate is seriously abraded. But the positioning pin and the bolt between the upper middle plate and the lower middle plate are respectively provided with corresponding holes for connection.
Disclosure of Invention
In order to overcome the shortcoming of the prior art, the utility model provides a locating pin for detachable middle part groove medium plate, this locating pin is integrated with locate function and bolted connection function mutually, has made things convenient for the swing joint of last medium plate and lower medium plate.
The utility model discloses a realize through following technical scheme: a positioning pin for a detachable middle groove middle plate comprises an upper middle plate and a lower middle plate, wherein the lower middle plate is fixed between a shovel plate ledge of a scraper conveyor and a baffle ledge of the scraper conveyor, and the upper middle plate is movably connected with the lower middle plate through the positioning pin; the positioning pin comprises an upper positioning pin and a lower positioning pin, the upper positioning pin comprises a circular body I with a bolt hole, a circular bulge is arranged on one side end face of the upper positioning pin, the lower positioning pin comprises a circular body II with a bolt hole, and a circular groove matched with the circular bulge is arranged on one side end face of the lower positioning pin; the round body I of the upper positioning pin is embedded in the upper middle plate, and the round body II of the lower positioning pin is embedded in the lower middle plate; the upper middle plate and the lower middle plate are movably connected through a bolt axially penetrating through the positioning pin, and a bolt head of the bolt is provided with an inner hexagonal groove.
Furthermore, a counter bore is arranged on the end face of the other side, away from the circular ring protrusion, of the upper positioning pin.
Further, the upper positioning pin is welded on the upper middle plate, and the lower positioning pin is welded on the lower middle plate.
The utility model has the advantages that: the utility model provides a locating pin is integrated mutually with locate function and bolted connection function, has made things convenient for the swing joint of going up medium plate and lower medium plate.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic connection diagram of the present invention;
fig. 3 is a structural sectional view of the upper positioning pin of the present invention;
fig. 4 is a schematic structural view of the lower positioning pin of the present invention;
fig. 5 is a schematic structural view of the bolt of the present invention;
in the figure, 1, an upper middle plate, 2, a lower middle plate, 3, a shovel plate ledge, 4, a baffle ledge, 5, a positioning pin, 5-1, an upper positioning pin, 5-11, a circular ring bulge, 5-12, a counter bore, 5-2, a lower positioning pin, 5-21, a circular ring groove, 6, a bolt, 6-1 and an inner hexagonal groove.
Detailed Description
The invention will be further explained below with reference to the drawings and examples.
As shown in fig. 1 to 5, a positioning pin for a detachable middle plate of a middle trough comprises an upper middle plate 1 and a lower middle plate 2, wherein the lower middle plate 2 is fixed between a shovel plate ledge 3 of a scraper conveyor and a baffle ledge 4 of the scraper conveyor, and the upper middle plate 1 is movably connected with the lower middle plate 2 through the positioning pin 5; the positioning pin 5 comprises an upper positioning pin 5-1 and a lower positioning pin 5-2, the upper positioning pin 5-1 comprises a circular body I with a bolt hole, a circular protrusion 5-11 is arranged on one side end face of the upper positioning pin 5-1, the lower positioning pin 5-2 comprises a circular body II with a bolt hole, and a circular groove 5-21 matched with the circular protrusion 5-11 is arranged on one side end face of the lower positioning pin 5-2; the circular body I of the upper positioning pin 5-1 is completely embedded in the upper middle plate 1, specifically, a counter bore is arranged on the upper middle plate 1, the upper positioning pin 5-1 is arranged in the counter bore of the upper middle plate 1, the upper positioning pin 5-1 is welded on the upper middle plate 1, and the circular bulge 5-11 partially or completely extends out of the end face of the upper positioning pin 5-1. The round body II of the lower positioning pin 5-2 is completely embedded in the lower middle plate 2, specifically, a counter bore is arranged on the lower middle plate 2, the lower positioning pin 5-2 is arranged in the counter bore of the lower middle plate 2, and then the lower positioning pin 5-2 is welded on the lower middle plate 2. After the upper positioning pin 5-1 and the lower positioning pin 5-2 are buckled, the upper middle plate 1 and the lower middle plate 2 are in close contact, the upper middle plate 1 and the lower middle plate 2 are movably connected through a bolt 6 axially penetrating through the positioning pin 5, a bolt head of the bolt 6 is provided with an inner hexagonal groove 6-1, the positioning functions of bolt connection and positioning pins are all concentrated on the positioning pin, a group of holes are prevented from being formed in the upper middle plate 1 and the lower middle plate 2, and the upper middle plate 1 and the lower middle plate 2 are convenient to fix. When the scraper conveyor is used, the upper middle plate 1 and the bolt head of the bolt 6 are worn at the same time, when the upper middle plate 1 reaches the replacement standard, the bolt head of the bolt 6 is also worn, and at the moment, the bolt needs to be disassembled by means of matching the inner hexagonal groove 6-1 in the center of the bolt 6 with an inner hexagonal wrench. As a modification of the embodiment, a countersunk hole 5-12 is formed in the end surface of the other side of the upper positioning pin 5-1, which is far away from the circular ring bulge 5-11. After the upper middle plate 1 and the lower middle plate 2 are movably connected by the bolts 6, the bolt heads of the bolts 6 sink into the countersunk holes 5-12, so that the interference between the bolt heads of the bolts 6 and the scraper chain is avoided.
Claims (3)
1. The utility model provides a locating pin for detachable middle part groove medium plate, includes medium plate (1) and lower medium plate (2), and its characterized in that is fixed between scraper conveyor's shovel board ledge (3) and scraper conveyor's baffle ledge (4) down medium plate (2): the upper middle plate (1) is movably connected with the lower middle plate (2) through the positioning pin (5); the positioning pin (5) comprises an upper positioning pin (5-1) and a lower positioning pin (5-2), the upper positioning pin (5-1) comprises a circular body I with a bolt hole, a circular ring bulge (5-11) is arranged on one side end face of the upper positioning pin (5-1), the lower positioning pin (5-2) comprises a circular body II with a bolt hole, and a circular ring groove (5-21) matched with the circular ring bulge (5-11) is arranged on one side end face of the lower positioning pin (5-2); the round body I of the upper positioning pin (5-1) is embedded in the upper middle plate (1), and the round body II of the lower positioning pin (5-2) is embedded in the lower middle plate (2); the upper middle plate (1) and the lower middle plate (2) are movably connected through a bolt (6) axially penetrating through the positioning pin (5), and a bolt head of the bolt (6) is provided with an inner hexagonal groove (6-1).
2. A removable midplane of claim 1, wherein: and a countersunk hole (5-12) is formed in the end surface of the other side of the upper positioning pin (5-1) far away from the circular ring bulge (5-11).
3. A removable midplane of claim 1, wherein: the upper positioning pin (5-1) is welded on the upper middle plate (1), and the lower positioning pin (5-2) is welded on the lower middle plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023306651.3U CN214494515U (en) | 2020-12-31 | 2020-12-31 | A locating pin for detachable middle part groove medium plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023306651.3U CN214494515U (en) | 2020-12-31 | 2020-12-31 | A locating pin for detachable middle part groove medium plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214494515U true CN214494515U (en) | 2021-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023306651.3U Active CN214494515U (en) | 2020-12-31 | 2020-12-31 | A locating pin for detachable middle part groove medium plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214494515U (en) |
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2020
- 2020-12-31 CN CN202023306651.3U patent/CN214494515U/en active Active
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