CN205859103U - The hydraulic prop chassis rock drill hermetically sealed assembly pulley of haulage cable single cavity - Google Patents
The hydraulic prop chassis rock drill hermetically sealed assembly pulley of haulage cable single cavity Download PDFInfo
- Publication number
- CN205859103U CN205859103U CN201620880212.8U CN201620880212U CN205859103U CN 205859103 U CN205859103 U CN 205859103U CN 201620880212 U CN201620880212 U CN 201620880212U CN 205859103 U CN205859103 U CN 205859103U
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- China
- Prior art keywords
- end cap
- bearing
- ring
- concave station
- hermetically sealed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of hydraulic prop chassis rock drill hermetically sealed assembly pulley of haulage cable single cavity, including axle portion (1) and wheel parts, described parts of taking turns includes pulley body (2), left end cap (3), right end cap (4), bearing (6) and gland (7) etc., constitutes airtight sealing space by right side static sealing ring (9), right side dynamic seal ring (10), left side dynamic seal ring (11) and left side static sealing ring (12).This utility model has good airproof performance, failure rate is low, maintenance cost is low and turns round advantage smoothly.
Description
Technical field
This utility model relates to a kind of hydraulic prop chassis rock drill hermetically sealed assembly pulley of haulage cable single cavity, belongs to ore deposit
Mountain technical field of mechanical equipment.
Background technology
During hydraulic prop chassis rock drill construction drill, owing to being operation vertically upward, the bore flushing in boring procedure
The mixture of water and rock slag flows out from petrosal foramen along rock drill drilling rod, is flushed on anchor pole tower and assembly pulley.Pulley group leader
Phase uses under trickle operating mode, and bearing easily contacts bore flushing water and rock slag with lubricant grease, and losing efficacy easily occurs in assembly pulley.
Prior art does not provide a kind of hermetically sealed assembly pulley of rock drill, for ensureing that the properly functioning of rock drill can only
Frequently changing assembly pulley, maintenance cost is high.
Utility model content
For improving the sealing of assembly pulley, reduce maintenance cost, the utility model proposes a kind of hydraulic prop chassis chisel
The rock machine travel hermetically sealed assembly pulley of steel wire rope single cavity.
Technical solutions of the utility model are as follows:
A kind of hydraulic prop chassis rock drill hermetically sealed assembly pulley of haulage cable single cavity, including axle portion and wheel portion group
Part, described parts of taking turns includes pulley body, left end cap, right end cap, bearing and gland；
Described axle portion includes the shaft part two that shaft part one is connected, the external diameter of described shaft part one with the right-hand member of left end with shaft part one
More than the external diameter of shaft part two thus constitute the shaft shoulder；
Described pulley body has installing hole, and described outer race is arranged in described installing hole；
Described left end cap has the boss one contacted with bearing inner ring left side, and described boss one right side offers
Static seal groove one, is provided with the left side static sealing ring contacted with bearing inner ring left side in described static seal groove one；
It is provided with the left concave station of circle on described pulley body left surface, described left concave station bottom surface is provided with left side movable sealing
Groove, is provided with, in described left side movable sealing groove, the left side dynamic seal ring contacted with left end cap；
There is gap and described left end cap with left between outward flange and the circumferential inner wall of described left concave station of described left end cap
Concave station has gap between bottom surface；
Described right end cap has the boss two contacted with bearing inner ring right side, and described boss two left side offers
Static seal groove two, is provided with the right side static sealing ring contacted with bearing inner ring right side in described static seal groove two；
It is provided with the right concave station of circle on described pulley body right flank, described right concave station bottom surface arranges right side movable sealing
Groove, is provided with, in described right side movable sealing groove, the right side dynamic seal ring contacted with right end cap；
There is gap and described right end cap with right between outward flange and the circumferential inner wall of described right concave station of described right end cap
Concave station has gap between bottom surface；
Described shaft shoulder end face contacts with the left surface of left end cap, and described shaft part two matches with brearing bore, described pressure
The left side of lid contacts with the right flank of right end cap, between having between right side and the left side of gland of described shaft part two
Gap, described gland offers through hole, and described gland is by being connected to realize wheel parts through the screw of through hole with axle portion
It is connected with the installation between axle portion.
As further improvement of the utility model: described installing hole one end have contact with outer race rib,
The other end is provided with the circlip for hole for limiting bearing axial location.
As further improvement of the utility model: described bearing is biserial deep groove ball bearing.
As further improvement of the utility model: described left end cap and left side dynamic seal ring touching position are provided with lubrication
Layer, described right end cap and right side dynamic seal ring touching position are provided with lubricating layer.
As further improvement of the utility model: described right side static sealing ring, right side dynamic seal ring, left side dynamic seal ring
It is O RunddichtringO with left side static sealing ring.
Relative to prior art, this utility model has the advantage that between (1) left end cap and right end cap and bearing inner ring
Contact and employing static seal mode, then use movable sealing mode based on sealing ring between left end cap and right end cap and pulley body,
Improve the sealing of assembly pulley, extend the service life of assembly pulley especially parts of bearings, reduce maintenance cost and event
Barrier rate, improves serviceability rate and utilization rate；(2) there is gap, on the one hand between right side and the left side of gland of shaft part two
Ensure that being reliably connected of wheel parts and axle portion, another aspect ensure that between left end cap and right end cap and bearing inner ring
Contact closely, ensure that left side dynamic seal ring and right side dynamic seal ring have certain decrement simultaneously, further increases close
Feng Xing；(3) left end cap and left side dynamic seal ring touching position are provided with lubricating layer, and described right end cap connects with right side dynamic seal ring
Synapsis is provided with lubricating layer, reduces damping, and blind improves sealing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Describe the technical solution of the utility model below in conjunction with the accompanying drawings in detail:
Such as Fig. 1, a kind of hydraulic prop chassis rock drill hermetically sealed assembly pulley of haulage cable single cavity, this assembly pulley is arranged on
On the forward beam at the anchor pole tower position of hydraulic prop chassis, it includes axle portion 1 and wheel parts, and described parts of taking turns includes sliding
Wheel body 2, left end cap 3, right end cap 4, bearing 6 and gland 7；
Described axle portion 1 includes the shaft part two that shaft part one is connected with the right-hand member of left end with shaft part one, outside described shaft part one
Footpath is more than the external diameter of shaft part two thus constitutes the shaft shoulder；
Described pulley body 2 has installing hole, and described bearing 6 outer shroud is arranged in described installing hole, and concrete structure is: described
Installing hole one end has the rib that contacts with bearing 6 outer shroud, the other end is provided with the hole for limiting bearing 6 axial location and uses
Circlip 5；Described bearing 6 is biserial deep groove ball bearing；
Described left end cap 3 has the boss one contacted with bearing 6 internal ring left side, and described boss one right side is offered
There is static seal groove one, in described static seal groove one, be provided with the left side static sealing ring 12 contacted with bearing 6 internal ring left side；
It is provided with the left concave station of circle on described pulley body 2 left surface, described left concave station bottom surface is provided with left side dynamic close
Sealing groove, is provided with, in described left side movable sealing groove, the left side dynamic seal ring 11 contacted with left end cap 3；Described left end cap 3 is with left
Side dynamic seal ring 11 touching position is provided with lubricating layer；
Between outward flange and the circumferential inner wall of described left concave station of described left end cap 3, there is 0.5mm gap and described left end
Between lid 3 and left concave station bottom surface, there is 1mm gap；
Described right end cap 4 has the boss two contacted with bearing 6 internal ring right side, and described boss two left side is offered
There is static seal groove two, in described static seal groove two, be provided with the right side static sealing ring 9 contacted with bearing 6 internal ring right side；
It is provided with the right concave station of circle on described pulley body 2 right flank, described right concave station bottom surface arranges right side movable sealing
Groove, is provided with, in described right side movable sealing groove, the right side dynamic seal ring 10 contacted with right end cap 4；Described right end cap 4 and right side
Dynamic seal ring 10 touching position is provided with lubricating layer；
Between outward flange and the circumferential inner wall of described right concave station of described right end cap 4, there is 0.5mm gap and described right-hand member
Between lid 4 and right concave station bottom surface, there is 1mm gap；
Described right side static sealing ring 9, right side dynamic seal ring 10, left side dynamic seal ring 11 and left side static sealing ring 12 are O
RunddichtringO；
Described shaft shoulder end face contacts with the left surface of left end cap 3, and described shaft part two matches with bearing 6 endoporus, described
The left side of gland 7 contacts with the right flank of right end cap 4, has between right side and the left side of gland 7 of described shaft part two
Having 1mm gap, described gland 7 offers through hole, described gland 7 is connected with reality with axle portion 1 by the screw 8 through through hole
The now installation between wheel parts and axle portion 1 is connected.The 1mm being had between right side and the left side of gland 7 of shaft part two
On the one hand gap, ensure that being reliably connected of wheel parts and axle portion 1, and another aspect ensure that left end cap 3 and right end cap 4
Contact with between bearing 6 internal ring closely, ensure that left side dynamic seal ring 11 and right side dynamic seal ring 10 have certain pressure simultaneously
Contracting amount, further increases sealing.
During assembling, first bearing 6 is installed in the installing hole of pulley body 2, fixes bearing 6 by circlip for hole 5,
Right side static sealing ring 9, right side dynamic seal ring 10, left side dynamic seal ring 11 and left side static sealing ring 12 are each respectively arranged in quiet
In seal groove two, right side movable sealing groove, left side movable sealing groove and static seal groove one, in left side dynamic seal ring 11 and right side movable sealing
Enclose and at 10, smear grease, then left end cap 3 and right end cap 4 are installed and put in place.Finally by gland 7 and screw 8 by wheel portion group
Part is connected with axle portion 1.Right side static sealing ring 9, right side dynamic seal ring 10, left side dynamic seal ring 11 and left side static sealing ring 12 structure
Becoming airtight annular seal space, gap and smearing of grease between left end cap 3 and right end cap 4 and pulley body 2 can ensure that simultaneously
Assembly pulley can be freely rotatable.
Claims (5)
1. the hermetically sealed assembly pulley of hydraulic prop chassis rock drill haulage cable single cavity, it is characterised in that: include axle portion (1) and
Wheel parts, described parts of taking turns includes pulley body (2), left end cap (3), right end cap (4), bearing (6) and gland (7)；
Described axle portion (1) includes the shaft part two that shaft part one is connected, the external diameter of described shaft part one with the right-hand member of left end with shaft part one
More than the external diameter of shaft part two thus constitute the shaft shoulder；
Described pulley body (2) has installing hole, and described bearing (6) outer shroud is arranged in described installing hole；
Described left end cap (3) has the boss one contacted with bearing (6) internal ring left side, and described boss one right side is offered
There is static seal groove one, in described static seal groove one, be provided with the left side static sealing ring contacted with bearing (6) internal ring left side
(12)；
It is provided with the left concave station of circle on described pulley body (2) left surface, described left concave station bottom surface is provided with left side movable sealing
Groove, is provided with the left side dynamic seal ring (11) contacted with left end cap (3) in described left side movable sealing groove；
Have between outward flange and the circumferential inner wall of described left concave station of described left end cap (3) gap and described left end cap (3) with
Between left concave station bottom surface, there is gap；
Described right end cap (4) has the boss two contacted with bearing (6) internal ring right side, and described boss two left side is offered
There is static seal groove two, in described static seal groove two, be provided with the right side static sealing ring contacted with bearing (6) internal ring right side
(9)；
It is provided with the right concave station of circle on described pulley body (2) right flank, described right concave station bottom surface arranges right side movable sealing groove,
The right side dynamic seal ring (10) contacted with right end cap (4) it is provided with in described right side movable sealing groove；
Have between outward flange and the circumferential inner wall of described right concave station of described right end cap (4) gap and described right end cap (4) with
Between right concave station bottom surface, there is gap；
Described shaft shoulder end face contacts with the left surface of left end cap (3), and described shaft part two matches with bearing (6) endoporus, described
The left side of gland (7) contacts with the right flank of right end cap (4), the right side of described shaft part two and the left side of gland (7)
Between there is gap, described gland (7) offers through hole, described gland (7) is by screw (8) and the axle portion through through hole
(1) it is connected and is connected with the installation realizing taking turns between parts and axle portion (1).
2. the hydraulic prop chassis rock drill hermetically sealed assembly pulley of haulage cable single cavity as claimed in claim 1, its feature exists
Have the rib that contacts with bearing (6) outer shroud in: described installing hole one end, the other end is provided with for limiting bearing (6) axle
To the circlip for hole (5) of position.
3. the hydraulic prop chassis rock drill hermetically sealed assembly pulley of haulage cable single cavity as claimed in claim 1, its feature exists
In: described bearing (6) is biserial deep groove ball bearing.
4. the hydraulic prop chassis rock drill hermetically sealed assembly pulley of haulage cable single cavity as claimed in claim 1, its feature exists
In: described left end cap (3) and left side dynamic seal ring (11) touching position are provided with lubricating layer, and described right end cap (4) moves with right side
Sealing ring (10) touching position is provided with lubricating layer.
5. the hydraulic prop chassis rock drill hermetically sealed assembly pulley of haulage cable single cavity as described in Claims 1-4 is arbitrary, its
It is characterised by: described right side static sealing ring (9), right side dynamic seal ring (10), left side dynamic seal ring (11) and left side static sealing ring
(12) O RunddichtringO it is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620880212.8U CN205859103U (en) | 2016-08-15 | 2016-08-15 | The hydraulic prop chassis rock drill hermetically sealed assembly pulley of haulage cable single cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620880212.8U CN205859103U (en) | 2016-08-15 | 2016-08-15 | The hydraulic prop chassis rock drill hermetically sealed assembly pulley of haulage cable single cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859103U true CN205859103U (en) | 2017-01-04 |
Family
ID=57594190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620880212.8U Expired - Fee Related CN205859103U (en) | 2016-08-15 | 2016-08-15 | The hydraulic prop chassis rock drill hermetically sealed assembly pulley of haulage cable single cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205859103U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237530A (en) * | 2017-07-14 | 2017-10-10 | 安徽凯旋智能停车设备有限公司 | A kind of middle deflecting roller group |
| CN107386736A (en) * | 2017-06-18 | 2017-11-24 | 安徽凯旋智能停车设备有限公司 | A kind of deflecting roller group |
| CN112797079A (en) * | 2021-01-29 | 2021-05-14 | 长沙鑫航机轮刹车有限公司 | Oil deflector ring in airplane wheel and oil deflector ring assembly thereof |
-
2016
- 2016-08-15 CN CN201620880212.8U patent/CN205859103U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386736A (en) * | 2017-06-18 | 2017-11-24 | 安徽凯旋智能停车设备有限公司 | A kind of deflecting roller group |
| CN107237530A (en) * | 2017-07-14 | 2017-10-10 | 安徽凯旋智能停车设备有限公司 | A kind of middle deflecting roller group |
| CN112797079A (en) * | 2021-01-29 | 2021-05-14 | 长沙鑫航机轮刹车有限公司 | Oil deflector ring in airplane wheel and oil deflector ring assembly thereof |
| CN112797079B (en) * | 2021-01-29 | 2022-06-07 | 长沙鑫航机轮刹车有限公司 | Oil deflector ring in airplane wheel and oil deflector ring assembly thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20170815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |