CN211569118U - Scraper conveyor's middle part groove connection structure and scraper conveyor - Google Patents
Scraper conveyor's middle part groove connection structure and scraper conveyor Download PDFInfo
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- CN211569118U CN211569118U CN201922343098.1U CN201922343098U CN211569118U CN 211569118 U CN211569118 U CN 211569118U CN 201922343098 U CN201922343098 U CN 201922343098U CN 211569118 U CN211569118 U CN 211569118U
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Abstract
The utility model discloses a middle groove connecting structure of a scraper conveyor and the scraper conveyor, which comprises a connecting pin, wherein the first end of the connecting pin is welded in a groove on the outer side surface of a first middle groove ledge; the upper edge and the lower edge of the connecting pin are bent outwards to form a connecting pin groove, and a first connecting lug is arranged in the connecting pin groove; the second end of the connecting pin is inserted into a groove on the outer side surface of the ledge of the second middle groove adjacent to the first middle groove, and a second connecting lug is arranged in the groove on the outer side surface of the ledge of the second middle groove; the bolt penetrates into the first connecting lug and the second connecting lug, and a nut is screwed at the end part of the bolt. Scraper conveyor includes above-mentioned scraper conveyor's middle part groove connection structure, the utility model has the advantages of: can swing specific distance in the direction of perpendicular to middle part groove extending direction between two adjacent middle part grooves, satisfy the operating mode demand that middle part groove undulates, swing amplitude is big, two adjacent middle part grooves realize mutual connection in its extending direction, satisfy its whole demand of moving by oneself.
Description
Technical Field
The utility model relates to a scraper conveyor field, concretely relates to scraper conveyor's middle part groove connection structure and scraper conveyor.
Background
A scraper conveyor is a continuous-motion type transport machine using a flexible body as a traction mechanism. The scraper conveyor is mainly used for a longwall coal face, is the only transportation equipment for the longwall coal face at present, can also be used for a gateroad, a communication hole, a mining area ascending and descending mountain and a tunneling working face and the like, and mainly bears the coal transportation task. In addition, the scraper conveyor not only can transport coal and materials, but also can be used as a running track of a coal mining machine, so that the scraper conveyor becomes an indispensable main device in the modern coal mining process. The scraper conveyor can keep continuous operation, and the production can be normally carried out. Otherwise, the whole coal face will be in a production stop state, so that the whole production is interrupted.
The scraper conveyer mainly comprises a transmission device, a groove body, a tail and the like. The service life of the middle groove is an important index for measuring the service life of the whole scraper conveyor, the mass of the middle groove accounts for more than 70% of the total mass of the scraper conveyor, and the failure of the scraper conveyor is also caused by the damage of the middle groove.
The relative deflection of adjacent middle troughs of the scraper conveyor in the horizontal direction and the vertical direction is mainly limited by the size of the connecting pin, and the service life of the middle trough and the working performance of the whole scraper conveyor are directly influenced.
For example, the scraper conveyor disclosed in chinese utility model with publication number CN206969527U is an intermediate drive scraper conveyor, and the environment of the coal face is severe, the ground surface is fluctuated, and the self-moving function is added. The scraper conveyor has higher requirements on the connection between the trough body and the trough body, and the common connection mode can not meet the use requirements.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: the middle groove connecting structure of the scraper conveyor in the prior art is not suitable for the technical problems of fluctuation of the middle groove and large swing amplitude.
The utility model discloses a realize solving above-mentioned technical problem through following technical means: a middle groove connecting structure of a scraper conveyor comprises a connecting pin, wherein a first end of the connecting pin is welded in a groove on the outer side surface of a first middle groove ledge;
the upper edge and the lower edge of the connecting pin are bent outwards to form a connecting pin groove, and a first connecting lug is arranged in the connecting pin groove;
the second end of the connecting pin is inserted into a groove on the outer side surface of the ledge of the second middle groove adjacent to the first middle groove, and a second connecting lug is arranged in the groove on the outer side surface of the ledge of the second middle groove;
the bolt penetrates into the first connecting lug and the second connecting lug, and a nut is screwed at the end part of the bolt;
the connecting pin slot can limit the rotation of the bolt or the nut.
In the utility model, when the middle groove connecting structure of the scraper conveyor is in practical application, the connecting pin is welded in the outer side surface grooves of the ledges at the two sides of the first middle groove according to requirements, then the second middle groove is arranged at the end surface of the first middle groove, so that the second end of the connecting pin is inserted into the outer side surface groove of the ledge adjacent to the first middle groove, then the bolt sequentially passes through the first connecting lug and the second connecting lug, then the nut is screwed at the end part of the bolt, the nut is screwed to a specific degree according to requirements, the bolt can limit the rotation under the action of the connecting pin groove, thereby facilitating the installation of the nut, further realizing the connection of the two adjacent middle grooves, the bolt can also sequentially pass through the second connecting lug and the first connecting lug according to requirements, the nut is arranged at the connecting pin groove, and is screwed into the nut, the nut is prevented from freely rotating under the action of the connecting pin groove, then screw up the bolt to specific elasticity degree, can realize the connection of two adjacent middle part grooves, for prior art, adopt this kind of connection structure, can swing specific distance in the direction of perpendicular to middle part groove extending direction between two adjacent middle part grooves to satisfy the operating mode demand that middle part groove undulates, swing amplitude is big, two adjacent middle part grooves realize connecting each other on its extending direction simultaneously, satisfy its whole demand that moves by oneself.
Preferably, the shape of the surface of the connecting pin close to the middle groove is the same as the shape of the groove on the outer side surface of the ledge of the middle groove. The surface shape of the connecting pin close to the middle groove is set to be the same as the groove shape of the outer side surface of the ledge of the middle groove, so that the connecting pin can be tightly attached to the groove of the outer side surface of the ledge of the middle groove relatively, welding is facilitated, welding strength is high, and meanwhile, when the connecting pin is stressed, the whole bearing capacity is good.
Preferably, the upper edge and the lower edge of the connecting pin are perpendicular to the side face of the middle groove. The upper edge and the lower edge of the connecting pin are perpendicular to the side face of the middle groove, so that the connecting pin can be conveniently welded on the outer sides of the upper edge and the lower edge of the connecting pin, and the connecting strength of the connecting pin is high.
Preferably, the connecting pin and the first connecting lug are integrally formed. The integral formed parts have high integral strength and can bear relatively large load.
Preferably, the first connecting lug and the second connecting lug are respectively provided with a through hole for the bolt to pass through, and the axis of the through hole is parallel to the extending direction of the middle groove.
Preferably, the second end of the connecting pin extends out of the end face of the first middle groove, and the first connecting lug is located on the inner side of the end face of the first middle groove. The first connecting lug is positioned on the inner side of the end face of the first middle groove, and because the first connecting lug is a stressed part, the arrangement can prevent stress points from being concentrated on the extending part of the connecting pin, and the integral strength of the connecting pin is enhanced.
Preferably, the first end of the connecting pin is provided with a welding gap. During actual welding, welding can be performed at the welding notch, the length of a welding bead is increased, and the overall strength of the connecting pin is enhanced.
Preferably, the second connecting lug is welded in a groove on the outer side surface of the ledge of the second middle groove. The welded connection mode is reliable, the bearable load is large, and the actual use requirement can be met.
Preferably, the end part of the bolt is provided with a through hole perpendicular to the bolt, and a pin for preventing the nut from slipping is arranged in the through hole. The setting of pin can effectively prevent the nut slippage, and then ensures the firm connection between two adjacent middle part grooves.
The utility model also discloses a scraper conveyor, including above-mentioned arbitrary middle part groove connection structure of scraper conveyor. This middle part groove connection structure contains above-mentioned scraper conveyor adopts this kind of connection structure, can swing specific distance in the direction of perpendicular to middle part groove extending direction between two adjacent middle part grooves to satisfy the operating mode demand that middle part groove undulation, swing amplitude are big, two adjacent middle part grooves realize mutual connection on its extending direction simultaneously, satisfy its whole demand that moves by oneself.
The utility model has the advantages that:
1. in the utility model, when the middle groove connecting structure of the scraper conveyor is in practical application, the connecting pin is welded in the outer side surface grooves of the ledges at the two sides of the first middle groove according to requirements, then the second middle groove is arranged at the end surface of the first middle groove, so that the second end of the connecting pin is inserted into the outer side surface groove of the ledge adjacent to the first middle groove, then the bolt sequentially passes through the first connecting lug and the second connecting lug, then the nut is screwed at the end part of the bolt, the nut is screwed to a specific degree according to requirements, the bolt can limit the rotation under the action of the connecting pin groove, thereby facilitating the installation of the nut, further realizing the connection of the two adjacent middle grooves, the bolt can also sequentially pass through the second connecting lug and the first connecting lug according to requirements, the nut is arranged at the connecting pin groove, and is screwed into the nut, the nut is prevented from freely rotating under the action of the connecting pin groove, then screw up the bolt to specific elasticity degree, can realize the connection of two adjacent middle part grooves, for prior art, adopt this kind of connection structure, can swing specific distance in the direction of perpendicular to middle part groove extending direction between two adjacent middle part grooves to satisfy the operating mode demand that middle part groove undulates, swing amplitude is big, two adjacent middle part grooves realize connecting each other on its extending direction simultaneously, satisfy its whole demand that moves by oneself.
2. The surface shape of the connecting pin close to the middle groove is set to be the same as the groove shape of the outer side surface of the ledge of the middle groove, so that the connecting pin can be tightly attached to the groove of the outer side surface of the ledge of the middle groove relatively, welding is facilitated, welding strength is high, and meanwhile, when the connecting pin is stressed, the whole bearing capacity is good.
3. The upper edge and the lower edge of the connecting pin are perpendicular to the side face of the middle groove, so that the connecting pin can be conveniently welded on the outer sides of the upper edge and the lower edge of the connecting pin, and the connecting strength of the connecting pin is high.
4. The integral formed parts have high integral strength and can bear relatively large load.
5. The first connecting lug is positioned on the inner side of the end face of the first middle groove, and because the first connecting lug is a stressed part, the arrangement can prevent stress points from being concentrated on the extending part of the connecting pin, and the integral strength of the connecting pin is enhanced.
6. During actual welding, welding can be performed at the welding notch, the length of a welding bead is increased, and the overall strength of the connecting pin is enhanced.
7. The welded connection mode is reliable, the bearable load is large, and the actual use requirement can be met.
8. The setting of pin can effectively prevent the nut slippage, and then ensures the firm connection between two adjacent middle part grooves.
9. The utility model provides a scraper conveyor contains above-mentioned scraper conveyor's middle part groove connection structure, adopts this kind of connection structure, can swing specific distance in perpendicular to middle part groove extending direction's direction between two adjacent middle part grooves to satisfy the operating mode demand that middle part groove undulation, range of oscillation are big, two adjacent middle part grooves realize connecting each other on its extending direction simultaneously, satisfy its whole demand of moving by oneself.
Drawings
Fig. 1 is a front view of a middle groove connecting structure of a scraper conveyor according to an embodiment of the present invention;
fig. 2 is a left side view of a middle groove connecting structure of a scraper conveyor according to an embodiment of the present invention;
FIG. 3 is a top view of a middle trough connection structure of a scraper conveyor in an embodiment of the present invention;
FIG. 4 is a front view of a connecting pin according to an embodiment of the present invention;
fig. 5 is a left side view of a connecting pin according to an embodiment of the present invention;
FIG. 6 is a top view of a connecting pin according to an embodiment of the present invention;
wherein the content of the first and second substances,
a first middle tank-1;
a connecting pin-2, a first connecting lug-21 and a welding notch-22;
a second middle groove-3 and a second connecting lug-31;
bolt-4;
and (5) a nut.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, a middle groove connection structure of a scraper conveyor comprises a first middle groove 1, a connection pin 2, a second middle groove 3, a bolt 4 and a nut 5.
The first middle groove 1 and the second middle groove 3 are two adjacent middle grooves on the scraper conveyor, and the first middle groove 1 and the second middle groove 3 are in the prior art.
As shown in fig. 1 and 2, the upper edge and the lower edge of the connecting pin 2 are bent outwards to form a connecting pin slot, and the first end of the connecting pin 2 is welded in the groove on the outer side surface of the ledge of the first middle slot 1.
As shown in fig. 1 and 4, a welding gap 22 is formed at a first end of the connecting pin 2, the welding gap 22 is rectangular in this embodiment, the length of the welding gap 22 in the left-right direction is greater than the length of the welding gap in the up-down direction, and in practical application, welding is performed at the welding gap 22. As shown in figures 2 and 5, the surface shape of the connecting pin 2 close to the middle groove is the same as the shape of the groove on the outer side surface of the ledge of the middle groove, and the upper edge and the lower edge of the connecting pin 2 are vertical to the side surface of the middle groove.
As shown in fig. 3 and 6, a first connecting lug 21 is arranged in the connecting pin slot; the connecting pin 2 and the first connecting lug 21 are integrally formed, such as integrally cast, or can be separately arranged according to requirements, and when the connecting pin is arranged in a separated body, the first connecting lug 21 can be welded into the connecting pin groove.
As shown in fig. 3, the second end of the connecting pin 2 is inserted into a groove on the outer side of the ledge of the second middle groove 3 adjacent to the first middle groove 1, a second connecting lug 31 is arranged in the groove on the outer side of the ledge of the second middle groove 3, and the second connecting lug 31 is welded in the groove on the outer side of the ledge of the second middle groove 3.
As shown in fig. 3, the first engaging lug 21 and the second engaging lug 31 are respectively provided with a through hole for the bolt 4 to pass through, and the axis of the through hole is parallel to the extending direction of the middle groove.
As shown in fig. 3, the second end of the connecting pin 2 protrudes from the end face of the first central groove 1, and the first connecting lug 21 is located inside the end face of the first central groove 1.
As shown in fig. 3, the bolt 4 is inserted into the first engaging lug 21 and the second engaging lug 31, and the nut 5 is screwed to the end of the bolt 4.
As shown in fig. 2 and 5, the connecting pin slot can limit the rotation of the bolt 4 or the nut 5, and specifically, the distance between the upper edge and the lower edge of the connecting pin 2 which are bent outwards to form the inner wall of the connecting pin slot satisfies the following conditions: the bolt 4 or the nut 5 can be placed in the connecting pin slot and the bolt 4 or the nut 5 cannot be rotated freely.
As shown in fig. 1, the end of the bolt 4 is provided with a through hole perpendicular to the bolt 4, in which a pin for preventing the nut 5 from slipping off is installed, specifically, the axis of the through hole is perpendicular to the bolt 4, and a cotter pin is installed in the through hole.
Example two:
the utility model also discloses a scraper conveyor, including foretell scraper conveyor's middle part groove connection structure.
The working principle is as follows:
as shown in fig. 1-3, in the practical application of the middle groove connecting structure of the scraper conveyor of the present invention, the connecting pin 2 is welded in the outer side surface grooves of the ledges at the two sides of the first middle groove 1 as required, then the second middle groove 3 is installed at the end surface of the first middle groove 1, so that the second end of the connecting pin 2 is inserted into the outer side surface groove of the ledge of the second middle groove 3 adjacent to the first middle groove 1, then the bolt 4 sequentially passes through the first engaging lug 21 and the second engaging lug 31, then the nut 5 is screwed at the end of the bolt 4, the nut 5 is screwed to a specific degree as required, the bolt 4 can limit the rotation thereof under the effect of the connecting pin groove, thereby facilitating the installation of the nut 5, further realizing the connection of the two adjacent middle grooves, or the bolt 4 sequentially passes through the second engaging lug 31 and the first engaging lug 21 as required, and the nut 5 is placed at the connecting pin groove, and twist bolt 4 in nut 5, nut 5 prevents its free rotation under the effect of connecting pin groove, then screw up bolt 4 to specific elasticity degree, can realize the connection of two adjacent middle part grooves, for prior art, adopt this kind of connection structure, can swing specific distance in the direction of perpendicular to middle part groove extending direction between two adjacent middle part grooves, in order to satisfy the operating mode demand that middle part groove undulates, swing amplitude is big, two adjacent middle part grooves realize mutual connection in its extending direction simultaneously, satisfy its whole demand of moving by oneself.
The utility model provides a scraper conveyor contains above-mentioned scraper conveyor's middle part groove connection structure, adopts this kind of connection structure, can swing specific distance in perpendicular to middle part groove extending direction's direction between two adjacent middle part grooves to satisfy the operating mode demand that middle part groove undulation, range of oscillation are big, two adjacent middle part grooves realize connecting each other on its extending direction simultaneously, satisfy its whole demand of moving by oneself.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a scraper conveyor's middle part groove connection structure which characterized in that: the connecting device comprises a connecting pin (2), wherein the first end of the connecting pin (2) is welded in a groove on the outer side surface of the ledge of the first middle groove (1);
the upper edge and the lower edge of the connecting pin (2) are bent outwards to form a connecting pin groove, and a first connecting lug (21) is arranged in the connecting pin groove;
the second end of the connecting pin (2) is inserted into a groove on the outer side surface of the ledge of the second middle groove (3) adjacent to the first middle groove (1), and a second connecting lug (31) is arranged in the groove on the outer side surface of the ledge of the second middle groove (3);
the bolt (4) penetrates into the first connecting lug (21) and the second connecting lug (31), and the end part of the bolt (4) is screwed with the nut (5);
the connecting pin slot can limit the rotation of the bolt (4) or the nut (5).
2. The middle pan connecting structure of a scraper conveyor as claimed in claim 1, wherein: the surface shape of the connecting pin (2) close to the middle groove is the same as the shape of the groove on the outer side surface of the ledge of the middle groove.
3. The middle pan connecting structure of a scraper conveyor as claimed in claim 2, wherein: the upper edge and the lower edge of the connecting pin (2) are vertical to the side surface of the middle groove.
4. The middle pan connecting structure of a scraper conveyor as claimed in claim 1, wherein: the connecting pin (2) and the first connecting lug (21) are integrally formed.
5. The middle pan connecting structure of a scraper conveyor as claimed in claim 1, wherein: all set up the through-hole that supplies bolt (4) to pass on first engaging lug (21) and second engaging lug (31), the axis of through-hole is on a parallel with the extending direction in middle part groove.
6. The middle pan connecting structure of a scraper conveyor as claimed in claim 1, wherein: the second end of the connecting pin (2) extends out of the end face of the first middle groove (1), and the first connecting lug (21) is located on the inner side of the end face of the first middle groove (1).
7. The middle pan connecting structure of a scraper conveyor as claimed in claim 1, wherein: and a welding gap (22) is arranged at the first end of the connecting pin (2).
8. The middle pan connecting structure of a scraper conveyor as claimed in claim 1, wherein: the second connecting lug (31) is welded in a groove on the outer side surface of the ledge of the second middle groove (3).
9. The middle pan connecting structure of a scraper conveyor as claimed in claim 1, wherein: the end of the bolt (4) is provided with a through hole vertical to the bolt (4), and a pin for preventing the nut (5) from slipping is arranged in the through hole.
10. A scraper conveyor, characterized in that: a mid-pan joint structure comprising a scraper conveyor according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922343098.1U CN211569118U (en) | 2019-12-20 | 2019-12-20 | Scraper conveyor's middle part groove connection structure and scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922343098.1U CN211569118U (en) | 2019-12-20 | 2019-12-20 | Scraper conveyor's middle part groove connection structure and scraper conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211569118U true CN211569118U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922343098.1U Active CN211569118U (en) | 2019-12-20 | 2019-12-20 | Scraper conveyor's middle part groove connection structure and scraper conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211569118U (en) |
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2019
- 2019-12-20 CN CN201922343098.1U patent/CN211569118U/en active Active
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