CN217806832U - Material receiving system of heading machine and heading machine - Google Patents
Material receiving system of heading machine and heading machine Download PDFInfo
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- CN217806832U CN217806832U CN202221550041.4U CN202221550041U CN217806832U CN 217806832 U CN217806832 U CN 217806832U CN 202221550041 U CN202221550041 U CN 202221550041U CN 217806832 U CN217806832 U CN 217806832U
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- chain
- plane
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- scraper
- heading machine
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Abstract
The utility model provides a heading machine receives material system and heading machine, including the back chute, install the drive frame at the tail end of back chute, six tooth chain wheels of installation in the drive frame, the winding has the scraper chain on the six tooth chain wheels, and the back chain section of scraper chain is located back chain intracavity, installs the dysmorphism on the drive frame and takes off the chain ware. The special-shaped chain releaser of the utility model is used in cooperation with the six-tooth chain wheel, on one hand, the natural release function of the scraper chain and the chain wheel teeth is realized, and on the other hand, the pitch circle diameter of the six-tooth chain wheel is increased, so that the chain returning path of the scraper chain is re-planned, and the scraper chain is forced to be transmitted along the lower bottom plate of the chain returning cavity in the chain returning cavity; meanwhile, the lower bottom plate of the chain return cavity is of a whole wear-resistant plate structure and can be in overall contact with the scraper chain, the stress area is increased, the local stress abrasion of the lower bottom plate of the chain return cavity is reduced, on one hand, the service life of the scraper and the lower bottom plate of the chain return cavity is prolonged, and on the other hand, the unit can be used for a long period in a large-gradient environment with the gradient being larger than 8 degrees and smaller than 22 degrees.
Description
Technical Field
The utility model belongs to mining machinery, concretely relates to entry driving machine receives material system and entry driving machine.
Background
Along with the full diagenesis of industrial and mining, the operation tunnel grade ization, the entry driving machine of conventionality has can't satisfy actual industrial and mining demand, and super industrial and mining operation has been the usual thing, leads to the life of entry driving machine to reduce by a wide margin, receives the transmission part of material system inefficacy simultaneously, returns the frequent wearing and tearing of chain chamber lower plate and lead to shutting down, seriously influences production efficiency, wherein receives the transmission part of material system inefficacy, returns the reason of the frequent wearing and tearing of chain chamber lower plate as follows:
when the entry driving machine is used for tunneling a downhill roadway with the angle of more than 8 degrees, due to the self-weight influence, chain stacking, chain releasing and chain clamping phenomena can occur at the shovel plate position and the driven wheel device position of the scraper chain assembly, and in order to avoid the problems, the scraper chain assembly is tight relatively, but the abrasion of the driving device of the first conveyor and the driven wheel device is aggravated, in addition, the scraper chain assembly is aggravated due to the tension force, and meanwhile, the lower bottom plate of the chain returning cavity is subjected to rapid destructive abrasion.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a receiving system of entry driving machine and entry driving machine to overcome above-mentioned technical defect.
In order to solve the technical problem, the utility model provides a material collecting system of a heading machine, including the back chute, install the drive frame at the tail end of back chute, install the sprocket in the drive frame, the winding has the scraper chain on the sprocket, the chain return section of scraper chain is located the chain return intracavity, the chain return chamber includes at least that the chain return chamber upper plate that is located the drive frame below and the chain return chamber lower plate that supports the chain return section, install the chain release on the drive frame, the chain release comprises base and chain release plate, the base is fixed mounting on the drive frame and contactless sprocket, one of them side wall rigid coupling of chain release plate is to the base, another side wall is the arc and is close to the slot of sprocket;
the chain return cavity lower base plate is of a whole block wear-resisting plate structure, and the whole block wear-resisting plate is in overall contact with the scraper chain.
Furthermore, the chain-off plate comprises a substrate, wherein one side wall of the substrate is sunken towards the wall thickness direction to form an arc-shaped groove, the opening of the arc-shaped groove is over against the groove of the chain wheel, and the radian of the arc-shaped groove is the same as that of the groove of the chain wheel.
Furthermore, two end parts of the arc-shaped groove deviate from the arc-shaped circle center and extend horizontally to form two planes which are parallel to each other from top to bottom, namely a first upper plane and a first lower plane respectively;
the end face of the first upper plane extends downwards in an inclined mode to form a first upper inclined plane, the end face of the first upper inclined plane extends horizontally to form a second upper plane, the first upper plane and the second upper plane form an obtuse included angle, and the end face of the second upper plane extends vertically downwards to form a vertical plane;
the end surface of the first lower plane extends upwards in an inclined mode to form a first lower inclined plane, the end surface of the first lower inclined plane extends horizontally to form a second lower plane, the second lower plane and the vertical plane form an obtuse included angle, and a round chamfer is cut at the joint of the second lower plane and the vertical plane.
Furthermore, the first upper inclined plane and the second upper plane are connected with the two side plate surfaces of the substrate through rectangular inclined planes, the rectangular inclined planes on the two sides of the first upper inclined plane are symmetrically arranged relative to the first upper inclined plane, and the rectangular inclined planes on the two sides of the second upper plane are symmetrically arranged relative to the second upper plane;
the base is fixedly connected in a space formed by the first upper inclined plane and the second upper plane.
Furthermore, the base is provided with a plurality of through holes for the bolts to pass through, and the base at least has a plane which is matched and closely attached to the first upper inclined plane and a plane which is closely attached to the second upper plane.
Further, the chain wheel is a six-tooth chain wheel, the pitch circle diameter of the six-tooth chain wheel is 248mm, and the distance difference L between the transmission track center of the scraper chain meshed with the six-tooth chain wheel and the upper bottom plate of the chain returning cavity is 50cm.
The utility model discloses a heading machine has still been protected, include the heading machine at least and receive the material system.
The utility model has the advantages as follows:
(1) The special-shaped chain release device is matched with the six-tooth chain wheel for use, so that the natural release function of the scraper chain and the chain wheel teeth is realized on one hand, and the pitch circle diameter of the six-tooth chain wheel is increased on the other hand, so that the chain return path of the scraper chain is re-planned, and the scraper chain is forced to be transmitted along the bottom plate of the chain return cavity in the chain return cavity;
(2) The chain return cavity lower base plate is of a whole-block wear-resisting plate structure, can be in overall contact with the scraper chain, increases the stressed area, reduces local stressed abrasion of the chain return cavity lower base plate, prolongs the service life of the scraper and the chain return cavity lower base plate on the one hand, and enables the unit to be used for a long period under the large-gradient environment with the speed being greater than 8 degrees and less than 22 degrees on the other hand.
In order to make the above and other objects of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic structural diagram of a material receiving system of the heading machine.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
FIG. 3 is a schematic view of the structure of the chain remover.
FIG. 4 is a schematic view of the structure of the chain-off plate.
Description of the reference numerals:
1. a rear chute;
2. a driving frame;
3. a sprocket;
4. a scraper chain; 4.1 chain back segment;
5. a chain returning cavity; 5.1 returning the upper bottom plate of the chain cavity; 5.2 returning the lower bottom plate of the chain cavity;
6. a chain releasing device;
6.1 a base; 611. a through hole;
6.2 link plate removing; 621. a substrate; 622. an arc-shaped slot; 623. a first upper plane; 624. a first lower plane; 625. a first upper inclined plane; 626. a second upper plane; 627. a vertical plane; 628. a first lower inclined plane; 629. a second lower plane; 630. a rectangular bevel;
7. a shifting fork;
8. a chute bottom plate.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
It should be noted that, in the present invention, the upper, lower, left and right in the drawings are regarded as the upper, lower, left and right of the material receiving system of the heading machine described in this specification.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments presented in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same unit/element is denoted by the same reference numeral.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In addition, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their context in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
This embodiment relates to entry driving machine material collecting system, as shown in fig. 1, including back chute 1, install drive frame 2 at the tail end of back chute 1, install sprocket 3 in the drive frame 2, the winding (meshing) has scraper chain 4 on the sprocket 3, the chain return section 4.1 of scraper chain 4 is located back the chain chamber 5, back the chain chamber 5 at least including being located the drive frame 2 below back the chain chamber upper plate 5.1 and prop up and prop back the chain chamber lower plate 5.2 of chain section 4.1, install the chain ware that takes off on the drive frame 2.
As shown in fig. 1, the chain return cavity lower plate 5.2 is a whole wear-resistant plate structure, i.e. the whole plate is a straight-line structure, the contact area between the scraper chain 4 and the chain return cavity lower plate 5.2 is increased (the whole wear-resistant plate is in full contact with the scraper chain 4), and then the stress area of the chain return cavity lower plate 5.2 is increased, the local stress wear of the chain return cavity lower plate 5.2 is reduced, the contact specific pressure between the scraper chain 4 and the chain return cavity lower plate 5.2 is reduced, and the service lives of the scraper chain 4 and the chain return cavity lower plate 5.2 are prolonged.
An upper bottom plate 5.1 of the chain returning cavity and a lower bottom plate 5.2 of the chain returning cavity, and a middle cavity of the upper bottom plate and the lower bottom plate is the chain returning cavity 5.
Referring to fig. 1, it can be seen that the scraper chain 4 is engaged with the sprocket 3 when in a tensioned state, and is also close to the driving frame 2 and the upper bottom plate 5.1 of the chain return cavity, in order to reduce the abrasion of the scraper chain 4 to the above parts in a rapid state, (special) chain releaser is installed on the driving frame 2, on one hand, the chain releaser separates the scraper chain 4 from the driving frame 2 and the upper bottom plate 5.1 of the chain return cavity to avoid the contact abrasion of the scraper chain 4, and on the other hand, the chain releaser can realize the natural release of the scraper chain 4 from the sprocket 3.
Considering the installation space, the structural design of the chain removing device is specially shaped as follows:
as shown in fig. 2 and 3, the chain releasing device is composed of a base 6.1 and a chain releasing plate 6.2, the base 6.1 is fixedly installed on the driving frame 2 and does not contact with the chain wheel 3, wherein the base 6.1 has the function of providing support for the chain releasing plate 6.2 and the function of separating the scraper chain 4 from the driving frame 2, one side plate wall of the chain releasing plate 6.2 is fixedly connected to the base 6.1, and the other side plate wall is arc-shaped (similar to C-shaped) and is close to the groove of the chain wheel 3.
Referring to fig. 4, the chain releasing plate 6.2 includes a base plate 621, one side wall of the base plate 621 is recessed toward the wall thickness direction (leftward in fig. 4) to form an arc-shaped slot 622, the opening of the arc-shaped slot 622 faces the groove of the chain wheel 3, and the radian of the arc-shaped slot 622 is the same as the radian of the groove of the chain wheel 3.
As shown in fig. 4, two end portions of the arc-shaped groove 622 deviate from the arc-shaped circle center and extend horizontally to form two planes which are parallel to each other up and down, namely a first upper plane 623 and a first lower plane 624 respectively, the two planes and the arc-shaped groove 622 are connected to form two shifting forks 7, and the two shifting forks 7 can extend into grooves of meshing portions of the scraper chain 4 and the chain wheel 3, so that the problem of chain clamping caused by inertia meshing can be avoided while the two are meshed.
As can be seen in fig. 2, the first upper plane 623, the chute floor 8, the chain return chamber upper floor 5.1 and the first lower plane 624, which are parallel to each other, are designed as planes, in particular the first upper plane 623 and the first lower plane 624, in order to increase their contact area with the scraper chain 4, i.e. to ensure that the scraper chain 4 can be disengaged from the sprocket 3 naturally and smoothly, while at the same time reducing the wear of the scraper chain 4.
After the chain releasing device naturally releases the scraper chain 4 from the chain wheel 3, the relative pressure of the scraper chain 4 to the lower bottom plate 5.2 of the chain returning cavity is also reduced, and the quick destructive abrasion of the lower bottom plate 5.2 of the chain returning cavity is further avoided.
Referring to fig. 4, an end surface of the first upper plane 623 extends downward and obliquely to form a first upper inclined surface 625, an end surface of the first upper inclined surface 625 extends horizontally to form a second upper plane 626 at an obtuse angle, and an end surface of the second upper plane 626 extends vertically and downward to form a vertical plane 627.
The space formed by the first upper ramp 625 and the second upper flat 626 is used for mounting the base 6.1.
Referring to fig. 4, an end surface of the first lower plane 624 extends obliquely upward to form a first lower inclined plane 628, an end surface of the first lower inclined plane 628 extends horizontally to form a second lower plane 629 which forms an obtuse included angle, and a round chamfer is cut at a joint of the second lower plane 629 and the vertical plane 627.
Finally, the shape of the stripping plate 6.2 is shown in fig. 4, and the stripping plate 6.2 in this shape can both extend into the driving rack 2 and ensure the abdication during installation, for example, the gap formed by the first lower slope 628 and the second lower plane 629 can abdicate the lower floor of the driving rack 2.
The base 6.1 is provided with a plurality of through holes 611 for bolts to pass through, and the base 6.1 at least has a plane tightly attached to the first upper inclined plane 625 and a plane tightly attached to the second upper plane 626, specifically, the base 6.1 is provided with four through holes 611, for smooth installation of the bolts, the first upper inclined plane 625 and the second upper plane 626 are both connected with two side plate surfaces of the substrate 621 through rectangular inclined planes 630, and the rectangular inclined planes 630 are used for installation abdications of the bolts.
The both side rectangular slopes 630 of the first upper slope 625 are symmetrically arranged with respect to the first upper slope 625.
The rectangular slopes 630 of both sides of the second upper plane 626 are symmetrically arranged with respect to the second upper plane 626.
As shown in fig. 1 and 2, the base 6.1 is fixed in the space formed by the first upper inclined plane 625 and the second upper flat plane 626.
In the present embodiment, the sprocket 3 is a six-tooth sprocket, the pitch circle diameter of the six-tooth sprocket is 248mm, the difference L between the transmission track center of the scraper chain 4 engaged with the six-tooth sprocket and the return chain cavity upper bottom plate 5.1 is 74cm (see fig. 2), so that the transmission track of the scraper chain 4 is changed, and the transmission track of the scraper chain 4 is forced to be transmitted along the return chain cavity lower bottom plate 5.2 under the action of the height difference (L =74 cm) and the self-weight, that is, the present embodiment replans the return chain path of the scraper chain 4.
Under the prerequisite that provides special-shaped chain ware of taking off, combine the chain return chamber lower plate 5.2 of monoblock wear plate structure, scrape the dead weight of chain 4 to and the drive orbit center of scraping the chain 4 on the sprocket 3 and the difference in height of returning chain chamber upper plate 5.1, both ensured the nature of scraping chain 4 and sprocket tooth and disengaged, still realized drive frame 2 simultaneously and returned chain chamber lower plate 5.2 and do not all wear and tear.
The embodiment also protects the heading machine, which at least comprises a heading machine material receiving system.
The development machine can still be used for a long period in a large-gradient environment with the temperature of more than 8 degrees and less than 22 degrees.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.
Claims (7)
1. Entry driving machine material collecting system, including back chute (1) drive frame (2) are installed to the tail end of back chute (1), install sprocket (3) in drive frame (2), the winding has scraper chain (4) on sprocket (3), return chain section (4.1) of scraper chain (4) are located back chain chamber (5), return chain chamber (5) including returning chain chamber upper plate (5.1) that is located drive frame (2) below and supporting back chain chamber lower plate (5.2) of chain section (4.1) at least, its characterized in that: the chain release device is arranged on the driving frame (2) and consists of a base (6.1) and a chain release plate (6.2), the base (6.1) is fixedly arranged on the driving frame (2) and is not in contact with the chain wheel (3), one side plate wall of the chain release plate (6.2) is fixedly connected to the base (6.1), and the other side plate wall is arc-shaped and is close to a groove of the chain wheel (3); the lower bottom plate (5.2) of the chain returning cavity is of a whole-block wear-resisting plate structure, and the whole-block wear-resisting plate is in overall contact with the scraper chain (4).
2. The receiving system of the heading machine as claimed in claim 1, wherein: the chain disengaging plate (6.2) comprises a base plate (621), wherein one side plate wall of the base plate (621) is recessed towards the wall thickness direction to form an arc-shaped groove (622), an opening of the arc-shaped groove (622) is over against a groove of the chain wheel (3), and the radian of the arc-shaped groove (622) is the same as that of the groove of the chain wheel (3).
3. The receiving system of the heading machine as claimed in claim 2, wherein: two end parts of the arc-shaped groove (622) deviate from the arc-shaped circle center and extend horizontally to form two planes which are parallel to each other from top to bottom, namely a first upper plane (623) and a first lower plane (624);
the end face of the first upper plane (623) extends downwards and obliquely to form a first upper inclined plane (625), the end face of the first upper inclined plane (625) extends horizontally to form a second upper plane (626) with an obtuse included angle, and the end face of the second upper plane (626) extends vertically downwards to form a vertical plane (627);
the end face of the first lower plane (624) extends upwards in an inclined mode to form a first lower inclined plane (628), the end face of the first lower inclined plane (628) extends horizontally to form a second lower plane (629) which forms an obtuse included angle, and a round chamfer is cut at the joint of the second lower plane (629) and the vertical plane (627).
4. The receiving system of the heading machine as claimed in claim 3, wherein: the first upper inclined plane (625) and the second upper plane (626) are connected with two side plate surfaces of the substrate (621) through rectangular inclined planes (630), the rectangular inclined planes (630) on two sides of the first upper inclined plane (625) are symmetrically arranged relative to the first upper inclined plane (625), and the rectangular inclined planes (630) on two sides of the second upper plane (626) are symmetrically arranged relative to the second upper plane (626);
the base (6.1) is fixed in the space formed by the first upper inclined plane (625) and the second upper plane (626).
5. The receiving system of the heading machine as claimed in claim 4, wherein: the base (6.1) is provided with a plurality of through holes (611) for bolts to pass through, and the base (6.1) at least has a plane which is matched and tightly attached to the first upper inclined plane (625) and a plane which is tightly attached to the second upper plane (626).
6. The heading machine material receiving system of claim 1, wherein: the chain wheel (3) is a six-tooth chain wheel, the pitch circle diameter of the six-tooth chain wheel is 248mm, and the distance difference L between the center of the transmission track of the scraper chain (4) meshed with the six-tooth chain wheel and the upper bottom plate (5.1) of the chain returning cavity is 50cm.
7. A heading machine is characterized in that: the receiving system at least comprises the heading machine as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221550041.4U CN217806832U (en) | 2022-06-20 | 2022-06-20 | Material receiving system of heading machine and heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221550041.4U CN217806832U (en) | 2022-06-20 | 2022-06-20 | Material receiving system of heading machine and heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217806832U true CN217806832U (en) | 2022-11-15 |
Family
ID=83993263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221550041.4U Active CN217806832U (en) | 2022-06-20 | 2022-06-20 | Material receiving system of heading machine and heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217806832U (en) |
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2022
- 2022-06-20 CN CN202221550041.4U patent/CN217806832U/en active Active
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Address after: 037002 East Hebao Village, Xicun Township, Xinrong District, Datong City, Shanxi Province Patentee after: Weishi Heavy Industry Co.,Ltd. Address before: 030000 Economic Development Zone, Xinrong District, Datong City, Shanxi Province Patentee before: Weishi Heavy Industry Co.,Ltd. |