CN217225379U - Underground bottom-dump type mine car wheel set bearing seat dismounting device - Google Patents
Underground bottom-dump type mine car wheel set bearing seat dismounting device Download PDFInfo
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- CN217225379U CN217225379U CN202220939920.XU CN202220939920U CN217225379U CN 217225379 U CN217225379 U CN 217225379U CN 202220939920 U CN202220939920 U CN 202220939920U CN 217225379 U CN217225379 U CN 217225379U
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- bearing seat
- clamping plate
- tension rod
- tension
- mine car
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Abstract
The utility model relates to the field of mechanical disassembly and assembly aids, in particular to a device for disassembling an underground bottom-dump type mine car wheel pair bearing seat, which comprises a jack for abutting against a mine car wheel shaft and a drawing bracket for clamping the bearing seat; the drawing bracket comprises a clamping plate, a tension rod and a top plate; the clamping plate is provided with a connecting hole and a butt joint surface; the inner side surface of the top plate is connected with the base of the jack, and the extending direction of the top extending rod of the jack is the direction of horizontally resisting against the axle of the mine car; the one end and the splint of tension bar are connected, the other end of tension bar with the roof is connected, the utility model discloses can dismantle the bearing frame get off fast well, avoid artifical the dismantlement to the damage of subassemblies such as bearing frame, reduce the repair time of bearing frame, greatly reduced operation personnel's intensity of labour, improved labor efficiency, moreover the utility model discloses a dismounting device has simple structure, easily manufacturing, low cost's characteristics.
Description
Technical Field
The utility model relates to an utensil field is assisted in the mechanical dismouting, especially relates to a bottom discharge formula mine car wheel is to bearing frame dismounting device in pit.
Background
The underground bottom-dump mine car is a common mine transportation tool, the bearing of the underground bottom-dump mine car wheel pair bearing seat of the underground bottom-dump mine car is one of the main wearing and consuming parts in the use process, as shown by combining the figure 1 and the figure 2, the mine car wheel 20 comprises a wheel hub 22 and a mine car wheel shaft 23, one end of the mine car wheel shaft 23 is a shaft head 21, the other end is connected with the wheel hub 22, the shaft body is connected with the underground bottom-dump mine car wheel pair bearing seat 10, the underground bottom-dump mine car wheel pair bearing seat 10 comprises a bearing seat shell 11 and a bearing 14 arranged in the bearing seat shell 11, the bearing seat shell 11 is of a box body structure, the upper end and the lower end of the bearing seat shell 11 are both provided with bearing seat through holes 12, and both sides of the bearing seat through holes 13 are both arranged; the bearing 14 is installed in the bearing seat shell 11, the bearing 14 is a tapered roller bearing installed back to back and respectively comprises an outer ring and an inner ring, the outer ring fixes the underground bottom-unloading mine car wheel pair bearing seat 10 on a mine car frame through a locking nut, the inner ring is in interference fit with a mine car wheel shaft 23, after the bearing 14 is damaged, the bearing needs to be disassembled and overhauled, but the inner ring of the bearing 14 is blocked with the mine car wheel shaft 23 due to deformation, the underground bottom-unloading mine car wheel pair bearing seat 10 is difficult to disassemble by utilizing a manual knocking mode, the manual disassembly is large, and later-stage overhaul is affected.
Disclosure of Invention
In order to solve the difficult problem of the unloading formula mine car wheel pair bearing frame in the pit above, the utility model aims at providing an unloading formula mine car wheel pair bearing frame dismounting device in the pit can be fast, the dismantlement of unloading formula mine car wheel pair bearing frame in the pit intact.
For the sake of simplifying the description, the bearing seat of the underground bottom-dump type mine car wheel pair is simply called as the bearing seat; the dismounting device for the underground bottom-dump type mine car wheel pair bearing seat is called as the dismounting device for short.
In order to achieve the purpose, the underground bottom discharge type mine car wheel pair bearing seat dismounting device comprises a jack for abutting against a mine car wheel shaft and a drawing support for clamping the bearing seat;
the drawing bracket comprises a clamping plate, a tension rod and a top plate; the clamping plate is provided with connecting holes for fixing bearing seat through holes at the upper end and the lower end of the bearing seat by bolts and abutting surfaces for abutting against bearing seat grooves at two sides of the bearing seat; the inner side surface of the top plate is connected with the base of the jack, and the extending direction of the top extending rod of the jack is the direction of horizontally abutting against the axle of the mine car; one end of the tension rod is connected with the clamping plate, and the other end of the tension rod is connected with the top plate.
As a preferred scheme, the two clamping plates are respectively provided with a first clamping plate and a second clamping plate, the upper ends and the lower ends of the first clamping plate and the second clamping plate are respectively provided with the connecting holes, and the connecting hole at the upper end of the first clamping plate, the bearing seat through hole at the upper end of the bearing seat and the connecting hole at the upper end of the second clamping plate correspondingly form a channel for a first bolt to penetrate; and a channel for a second bolt to penetrate is correspondingly formed by the connecting hole at the lower end of the first clamping plate, the bearing seat through hole at the lower end of the bearing seat and the connecting hole at the lower end of the second clamping plate.
Preferably, the outer side surfaces of the first splint and the second splint are provided with the abutting surfaces; the butt surface of the first clamping plate is matched with the stop block positioned in the groove of the bearing seat on the left side of the bearing seat, and the butt surface of the second clamping plate is matched with the stop block positioned in the groove of the bearing seat on the right side of the bearing seat.
Preferably, the two tension rods are respectively a first tension rod and a second tension rod, one end of the first tension rod is connected with the first clamping plate, the other end of the first tension rod is connected with the top plate, one end of the second tension rod is connected with the second clamping plate, and the other end of the second tension rod is connected with the top plate.
As a preferred scheme, a first tension groove is formed in one end of the first tension rod, the first tension rod is connected with the first clamping plate in an occlusion mode through the first tension groove, and the other end of the first tension rod is fixedly welded with the top plate; and a second tension groove is formed in one end of the second tension rod, the second tension rod is connected with the second clamping plate in an occlusion mode through the second tension groove, and the other end of the second tension rod is fixedly welded with the top plate.
The utility model has the advantages that: the utility model discloses a bottom discharge type mining car wheel pair bearing frame dismounting device in pit, including jack, drawing support is fixed with the bearing frame shell through the bolt, and the jack base is connected with drawing support, and the extension bar of jack supports on the axletree head, and the jacking force of stretching out through the extension bar of jack draws out the bearing frame from the axletree; the utility model discloses a bottom discharge type mine car wheel in pit can dismantle the bearing frame well to bearing frame dismounting device fast, has avoided artifical dismantlement to the damage of subassemblies such as bearing frame, has reduced the repair time of bearing frame, greatly reduced operation personnel's intensity of labour, improved labor efficiency, moreover the utility model discloses a dismounting device has simple structure, easily makes, low cost's characteristics.
Drawings
FIG. 1 is a schematic view of an assembly structure of a bearing seat and a mine car wheel of an underground bottom-dump type mine car wheel pair;
FIG. 2 is a schematic structural diagram of a bearing seat of a downhole bottom-dump type mine car wheel pair;
FIG. 3 is a schematic structural view of a dismounting device for a bearing seat of an underground bottom-dump type mining vehicle wheel pair;
FIG. 4 is a use state diagram of the dismounting device for the bearing seat of the underground bottom-dump type mine car wheel pair;
FIG. 5 is an enlarged view of portion A of FIG. 3;
the components in the figures are numbered as follows: the underground bottom-dump type mine car wheel pair comprises a bearing seat (bearing seat) 10, a bearing seat shell 11, a bearing seat through hole 12, a bearing seat groove 13 and a bearing 14; the mining vehicle comprises a mining vehicle wheel 20, a shaft head 21, a wheel hub 22 and a mining vehicle wheel shaft 23; a jack 30; the drawing bracket 40, a clamping plate 41, a first clamping plate 41.1, a second clamping plate 41.2, a top plate 42, a tension rod 43, a first tension rod 43.1, a second tension rod 43.2, a first tension groove 43.3, a second tension groove 43.4 and a connecting hole 44; a first bolt 51 and a second bolt 52.
Detailed Description
For a better understanding of the present invention, the following detailed description will be given with reference to specific examples.
As shown in fig. 3, the dismounting device for the underground bottom-dump type mine car wheel pair bearing seat of the utility model comprises a jack 30 and a drawing bracket 40; referring to fig. 2 and 3, the dismounting device of the present invention fully utilizes the structural characteristics of the bearing seat 10 during design, specifically, the bearing seat housing 11 of the bearing seat 10 is a box structure, the upper end and the lower end of which are both provided with bearing seat through holes 12, and the two sides of which are both provided with bearing seat grooves 13; the drawing bracket 40 of the utility model is designed according to the structural characteristics of the bearing seat 10, and the drawing bracket 40 comprises a clamping plate 41, a top plate 42 and a tension rod 43; wherein the splint 41 is provided with two, is first splint 41.1 and second splint 41.2 respectively, and the roof 42 is equipped with one, and the pull rod 43 is provided with two, is first pull rod 43.1 and second pull rod 43.2 respectively.
Referring to fig. 3 and 4, the first clamping plate 41.1 and the second clamping plate 41.2 are arranged in parallel, and both ends of the first clamping plate 41.1 and the second clamping plate 41.2 are respectively provided with a connecting hole 44 corresponding to the bearing seat through hole 12, and a passage for the first bolt 51 to penetrate is correspondingly formed by the connecting hole 44 at the upper end of the first clamping plate 41.1, the bearing seat through hole 12 at the upper end of the bearing seat 10 and the connecting hole 44 at the upper end of the second clamping plate 41.2; a channel for the penetration of the second bolt 52 is correspondingly formed by the connecting hole 44 at the lower end of the first clamping plate 41.1, the bearing seat through hole 12 at the lower end of the bearing seat 10 and the connecting hole 44 at the lower end of the second clamping plate 41.2; the outer side surfaces of the first clamping plate 41.1 and the second clamping plate 41.2 are respectively provided with a butting surface 45, the butting surface 45 of the first clamping plate 41.1 is matched with a stop block positioned in the left bearing seat groove 13 of the bearing seat 10, and the butting surface 45 of the second clamping plate 41.2 is matched with a stop block positioned in the right bearing seat groove 13 of the bearing seat 10. Therefore, two ends of the bearing seat shell 11 are respectively fixed with the first clamping plate 41.1 and the second clamping plate 41.2 through the first bolt 51 and the second bolt 52, and two sides of the bearing seat shell 11 are respectively connected with the first clamping plate 41.1 and the second clamping plate 41.2 in a propping manner through the stop blocks of the bearing seat groove 13.
As shown in fig. 3 and fig. 5, the first tension bar 43.1 and the second tension bar 43.2 are arranged in parallel, and the fixed end of the first tension bar 43.1, the top plate 42, and the fixed end of the second tension bar 43.2 are welded and enclosed in sequence to form a "U" shaped bracket, one end of the first tension bar 43.1 is provided with a first tension groove 43.3, the first tension bar 43.1 is engaged and connected with the first clamping plate 41.1 through the first tension groove 43.3, and the other end of the first tension bar 43.1 is welded and fixed with the top plate 42; one end of the second tension rod 43.2 is provided with a second tension groove 43.4, the second tension rod 43.2 is connected with the second clamping plate 41.2 in an occlusion way through the second tension groove 43.4, and the other end of the second tension rod 43.2 is fixed with the top plate 42 in a welding way.
Referring to fig. 3 and 4, the base of the jack 30 is arranged in the middle of the inner side surface of the top plate 42 in the U-shaped bracket, the extending direction of the top extending rod of the jack 30 is the horizontal direction from the top plate 42 to the clamping plate 41, and the top extending rod of the jack 30 is used for pushing the shaft head 21 of the mine car wheel 20 so as to pull the bearing seat 10 out of the mine car wheel shaft 23.
As shown in fig. 4, when the dismounting device of the present invention is used, first the first clamping plate 41.1 and the second clamping plate 41.2 are placed in the bearing seat recess 13, the abutting surfaces 45 of the first clamping plate 41.1 and the second clamping plate 41.2 are respectively abutted against and matched with the stoppers of the bearing seat recess 13, then the connecting hole 44 is adjusted up and down to align with the bearing seat through hole 12, the first bolt 51 and the second bolt 52 are respectively inserted, the first clamping plate 41.1 and the second clamping plate 41.2 are respectively fixed on both sides of the bearing seat housing 11 after being tightened, then the first tension groove 43.3 of the first tension bar 43.1 and the second tension groove 43.4 of the second tension bar 43.2 of the "U" bracket are respectively engaged and fixed with the first clamping plate 41.1 and the second clamping plate 41.2, then the base of the jack 30 is placed in the middle of the inner side of the top plate 42 of the "U" bracket, the top extension bar of the jack 30 is abutted against the spindle nose 21 of the mine spindle 23, and the jack 30 is slowly lifted up, the jacking force of the jack 30 drives the first tension rod 43.1 and the second tension rod 43.2 to pull the first clamping plate 41.1 and the second clamping plate 41.2 outwards, because the two ends of the first clamping plate 41.1 and the second clamping plate 41.2 are fixed with the bearing seat shell 11 through the first bolt 51 and the second bolt 52, and the two sides of the first clamping plate 41.1 and the second clamping plate 41.2 are clamped in the bearing seat groove 13 through the stoppers, the upper end, the lower end and the two sides of the bearing seat shell 11 are all pulled by the first clamping plate 41.1 and the second clamping plate 41.2, so that the bearing seat 10 is pulled out from the mine car axle 23 quickly and perfectly under the pulling force of the first clamping plate 41.1 and the second clamping plate 41.2.
The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. The underground bottom discharge type mining car wheel pair bearing seat dismounting device is characterized by comprising a jack (30) for abutting against a mining car wheel shaft (23) and a drawing bracket (40) for clamping and fixing a bearing seat (10);
the drawing bracket (40) comprises a clamping plate (41), a tension rod (43) and a top plate (42); the clamping plate (41) is provided with connecting holes (44) for fixing bearing seat through holes (12) positioned at the upper end and the lower end of the bearing seat (10) by bolts and abutting surfaces (45) for abutting bearing seat grooves (13) positioned at two sides of the bearing seat (10); the inner side surface of the top plate (42) is connected with the base of the jack (30), and the extending direction of the top extending rod of the jack (30) is the direction horizontally propping against the axle (23) of the mine car; one end of the tension rod (43) is connected with the clamping plate (41), and the other end of the tension rod (43) is connected with the top plate (42).
2. The shaft bearing dismounting device for the underground bottom-discharge type mine car wheel pair according to claim 1, characterized in that the clamping plate (41) is provided with two pieces, namely a first clamping plate (41.1) and a second clamping plate (41.2), the upper end and the lower end of the first clamping plate (41.1) and the lower end of the second clamping plate (41.2) are respectively provided with the connecting hole (44), and the connecting hole (44) at the upper end of the first clamping plate (41.1), the bearing seat through hole (12) at the upper end of the bearing seat (10) and the connecting hole (44) at the upper end of the second clamping plate (41.2) correspondingly form a passage for the first bolt (51) to penetrate; and a channel for a second bolt (52) to penetrate is correspondingly formed by a connecting hole (44) at the lower end of the first clamping plate (41.1), a bearing seat through hole (12) at the lower end of the bearing seat (10) and the connecting hole (44) at the lower end of the second clamping plate (41.2).
3. The underground bottom dump mine car wheel set bearing block dismounting device according to claim 2, wherein the abutting surfaces (45) are arranged on the outer side surfaces of the first clamping plate (41.1) and the second clamping plate (41.2); the bearing seat structure is characterized in that a butting surface (45) of the first clamping plate (41.1) is matched with a stop block located in a bearing seat groove (13) on the left side of the bearing seat (10), and a butting surface (45) of the second clamping plate (41.2) is matched with a stop block located in a bearing seat groove (13) on the right side of the bearing seat (10).
4. The underground bottom-dump type mine car wheel pair bearing seat dismounting device according to claim 2 or 3, characterized in that the two tension rods (43) are respectively a first tension rod (43.1) and a second tension rod (43.2), one end of the first tension rod (43.1) is connected with the first clamping plate (41.1), the other end of the first tension rod is connected with the top plate (42), one end of the second tension rod (43.2) is connected with the second clamping plate (41.2), and the other end of the second tension rod is connected with the top plate (42).
5. The shaft bearing seat dismounting device for the underground bottom-dump type mine car wheel pair according to claim 4, characterized in that one end of the first tension rod (43.1) is provided with a first tension groove (43.3), the first tension rod (43.1) is in snap connection with the first clamping plate (41.1) through the first tension groove (43.3), and the other end of the first tension rod (43.1) is fixedly welded with the top plate (42); one end of the second tension rod (43.2) is provided with a second tension groove (43.4), the second tension rod (43.2) is connected with the second clamping plate (41.2) in an occlusion mode through the second tension groove (43.4), and the other end of the second tension rod (43.2) is fixedly welded with the top plate (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220939920.XU CN217225379U (en) | 2022-04-19 | 2022-04-19 | Underground bottom-dump type mine car wheel set bearing seat dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220939920.XU CN217225379U (en) | 2022-04-19 | 2022-04-19 | Underground bottom-dump type mine car wheel set bearing seat dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217225379U true CN217225379U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220939920.XU Active CN217225379U (en) | 2022-04-19 | 2022-04-19 | Underground bottom-dump type mine car wheel set bearing seat dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217225379U (en) |
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2022
- 2022-04-19 CN CN202220939920.XU patent/CN217225379U/en active Active
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