CN203979344U - PTA compressor is used can be at the gear-box of seal area, bearing district independent disassembling upper cover - Google Patents
PTA compressor is used can be at the gear-box of seal area, bearing district independent disassembling upper cover Download PDFInfo
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- CN203979344U CN203979344U CN201420441883.5U CN201420441883U CN203979344U CN 203979344 U CN203979344 U CN 203979344U CN 201420441883 U CN201420441883 U CN 201420441883U CN 203979344 U CN203979344 U CN 203979344U
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Abstract
The utility model relates to a kind of gear box structure, and specifically a kind of PTA use can be at the gear-box of seal area, bearing district independent disassembling upper cover.Described gear-box comprises upper box, lower box and multiple side box body, wherein upper box is removably connected with lower box, described multiple side box body respectively dismountable bi-side that are arranged on upper box outside and be communicated with the cavity of upper box, the lower end of described each side box body is removably connected with the upper end junction surface of lower box, the lower end of each side box body is provided with first bearing hole, and the bottom half-bearing hole that this first bearing hole and lower box are provided with encloses a complete bearing hole.The utility model is safe, economical, more convenient to operate, not only can be applicable to PTA gear box structure, also may extend in other large gear box structures.
Description
Technical field
The utility model relates to a kind of gear box structure, and specifically a kind of PTA compressor use can be at the gear-box of seal area, bearing district independent disassembling upper cover.
Background technique
Along with the development that PTA unit maximizes, the gear-box supporting with it also will meet its performance and size requirement.But existing gear-box upper box often adopts integral solder structure, after maximization, bring the problem that box cover volume and quality increase, maintenance dismounting is inconvenient, when particularly the easily damaged parts such as bearing and oil sealing being overhauled and changed, need to lift by crane whole upper box, Economy is not good enough.
Model utility content
For the problems referred to above, the purpose of this utility model has been to provide a kind of PTA compressor to use can be at the gear-box of seal area, bearing district independent disassembling upper cover.
To achieve these goals, the utility model is by the following technical solutions:
A kind of PTA compressor is used can be at the gear-box of seal area, bearing district independent disassembling upper cover, comprise upper box, lower box and multiple side box body, wherein upper box is removably connected with lower box, described multiple side box body respectively dismountable bi-side that are arranged on upper box outside and be communicated with the cavity of upper box, the lower end of described each side box body is removably connected with the upper end junction surface of lower box, the lower end of each side box body is provided with first bearing hole, and the bottom half-bearing hole that this first bearing hole and lower box are provided with encloses a complete bearing hole; Described upper box, lower box and multiple side box body enclose the gear-box of a hollow structure.
Described each side box body is square chest, and the position corresponding with square chest, the side of described upper box is provided with square opening.Described side box body comprises gearwheel shaft extension end square chest, gearwheel cecum square chest, one-level square chest, secondary square chest and two thrust-bearing square chests, wherein gearwheel shaft extension end square chest and two thrust-bearing square chests are arranged at the driving side of gear-box, described two thrust-bearing square chests lay respectively at the both sides of gearwheel shaft extension end square chest, described gearwheel cecum square chest, one-level square chest and secondary square chest are arranged at the non-drive side of gear-box, and described one-level square chest and secondary square chest are positioned at the both sides of gearwheel cecum square chest.
The outer ledge of first bearing hole of described gearwheel shaft extension end square chest, one-level square chest and secondary square chest lower end is provided with oil sealing district, and described oil sealing district coordinates with the oil sealing district on lower box, for placing oil sealing.On the inwall in described oil sealing district, edge is circumferentially with oil seal groove.
The structure of described each side box body is identical, include front panel, top board, side plate flange, side plate and split flange, wherein the upper end of front panel is provided with top board, both sides are respectively equipped with side plate, described top board is all connected with the side plate flange parallel with front panel with on two side plates, the both sides, lower end of described front panel are provided with the split flange for being connected with lower box, and described first bearing hole is arranged at the lower end of front panel.
The sidewall of described upper box is provided with the flange strip being connected with the side plate flange on side box body.In described bearing hole, be provided with bearing, the outer bearing cap that is provided with of described bearing.Described upper box, lower box and each side box body are welded structure.
Advantage of the present utility model and beneficial effect are:
1. the utility model is than conventional gearbox upper box integral solder structure, the utility model is by lower box and multiple square chest structure on independent design gear-box, can be in the situation that not lifting by crane upper box, each square chest of independent disassembling, and then oil sealing and bearing are overhauled to replacing, for gear-box later maintenance provides larger facility.This structure is safer, economical, more convenient to operate, not only can be applicable to PTA gear box structure, also may extend in other large gear box structures.
2. when the utility model dismantles, overhauls or change operation to certain split bearing at needs, only need square chest and the visible bearing gland of Qi Nei of dismounting corresponding position, just can operate bearing.Equally, need to dismantle the oil sealing of certain part time, only need the square chest of dismounting corresponding position, i.e. detachable oil sealing.
Brief description of the drawings
Fig. 1 is the solid assembling schematic diagram of the utility model anti-drive end side;
Fig. 2 is the solid assembling schematic diagram of the drive end side of gear-box shown in Fig. 1;
Fig. 3 is the perspective exploded view of the utility model anti-drive end side;
Fig. 4 is the perspective exploded view of the drive end side of gear-box shown in Fig. 3;
Fig. 5 is gearwheel shaft extension end square chest stereogram of the present utility model.
Wherein: 1 can be at the gear-box of seal area, bearing district independent disassembling upper cover for PTA use, and 2 is upper box, and 3 is lower box, 4 is gearwheel cecum square chest, and 5 is one-level square chest, and 6 is secondary square chest, 7 is gearwheel shaft extension end square chest, and 701 is front panel, and 702 is top board, 703 is side plate flange, and 704 is side plate, and 705 is split flange, 706 is oil seal groove, and 8 is thrust-bearing square chest, and 9 is spring bearing district, 10 is thrust-bearing district, and 11 is oil sealing district.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As Figure 1-4, the utility model comprises upper box 2, lower box 3 and multiple side box body, and wherein upper box 2 is removably connected with lower box 3, closes by split bolt handle.Described multiple side box body respectively dismountable bi-side that are arranged on upper box 2 outside and be communicated with the cavity of upper box 2, the lower end of described each side box body is removably connected with the upper end junction surface of lower box 3, the lower end of each side box body is provided with first bearing hole, and the bottom half-bearing hole that this first bearing hole and lower box 3 are provided with encloses a complete bearing hole.Described upper box 2, lower box 3 and multiple side box body enclose the gear-box of a hollow structure.
Embodiment
As shown in Figure 1, PTA compressor of the present utility model is used can be at the gear-box of seal area, bearing district independent disassembling upper cover, in unit, have 3 rooted tooth wheel shafts, after being installed on gear shaft, impeller is known as rotor, wherein I and II rotor is connected with firsts and seconds spiral case (not accompanying drawing) by end flange (not accompanying drawing), driven by motor gearwheel drives I and II rotor, thereby makes the work of PTA gear-box.
As shown in Figure 2-5, the utility model comprises upper box 2, lower box 3 and multiple side box body, and described each side box body is square chest, and the position corresponding with square chest, the side of described upper box 2 is provided with square opening.Described side box body comprises gearwheel shaft extension end square chest 7, gearwheel cecum square chest 4, one-level square chest 5, secondary square chest 6 and two thrust-bearing square chests 8, wherein gearwheel shaft extension end square chest 7 and two thrust-bearing square chests 8 are arranged at the driving side of gear-box, described two thrust-bearing square chests 8 lay respectively at the both sides of gearwheel shaft extension end square chest 7, described gearwheel cecum square chest 4, one-level square chest 5 and secondary square chest 6 are arranged at the non-drive side of gear-box, and described one-level square chest 5 and secondary square chest 6 are positioned at the both sides of gearwheel cecum square chest 4.The outer ledge of first bearing hole of described gearwheel shaft extension end square chest 7, one-level square chest 5 and secondary square chest 6 lower ends is provided with oil sealing district 11, and described oil sealing district 11 coordinates with the oil sealing district on lower box 3, for placing oil sealing.
Described upper box 2 surrounds a hollow structure by front and back side panel, upper cover plate, split flange, on side panel, square chest corresponding position is welded with flange strip, for closing by bolt handle with square chest flange strip, the gear box side wallboard that flange strip impales is opened square orifice, closing rear formation hollow structure, place the assemblies such as bearing, oil sealing with square chest.
Described lower box 3 with upper box 2 by split flange closing, on split flange, have with square chest split the bolt closing, make together with the split of gear housing and the split of square chest put together on.Process oil sealing district at lower box 3 with on corresponding square chest, be used for placing oil sealing.
The structure of described each square chest is unanimous on the whole, and difference is A. size difference; B. on gearwheel cecum square chest 4 and thrust-bearing square chest 8, there is no oil sealing district, on gearwheel shaft extension end square chest 7 and one-level square chest 5, secondary square chest 6, have oil sealing district.Taking gearwheel shaft extension end square chest 7 as example, as shown in Figure 5, gearwheel shaft extension end square chest 7 comprises front panel 701, top board 702, side plate flange 703, side plate 704 and split flange 705, wherein the upper end of front panel 701 is provided with top board 702, both sides are respectively equipped with side plate 704, described top board 702 is all connected with the side plate flange 703 parallel with front panel 701 with on two side plates 704, the both sides, lower end of described front panel 701 are provided with the split flange 705 for being connected with lower box 3, and described first bearing hole is arranged at the lower end of front panel 701.On the inwall in described oil sealing district 11, edge is circumferentially with oil seal groove 706.The sidewall of described upper box 2 is provided with the flange strip being connected with the side plate flange 703 on side box body.In described bearing hole, be provided with bearing, the outside of described bearing is provided with bearing cap.
Gearwheel shaft extension end square chest 7, is formed hollow structure and is used for placing bearing and Oil sealing assembly respectively closing by flange and gear-box upper box 2 and lower box 3; On square chest front panel 701, process oil sealing district, coordinate with the oil sealing district on lower box oil sealing is installed, prevent that bearing oil from leaking.
Bearing unit is just arranged in the bearing district of hollow structure; Described bearing unit comprises bearing gland (not accompanying drawing) and thrust-bearing, spring bearing, and bearing gland and lower box are by split bolt closing, and bearing is arranged in the bearing district of bearing gland and lower box; Described Oil sealing assembly comprises gearwheel oil sealing, one-level oil sealing, secondary oil sealing, is installed on respectively in gearwheel shaft extension end square chest 7, one-level square chest 5 and the front panel of secondary square chest 6 and the oil sealing district of lower box corresponding position.
Described upper box 2, lower box 3 and each square chest are welded structure.
As Figure 1-5, still taking gearwheel shaft extension end square chest as example, as need be the spring bearing of gearwheel shaft extension end dismantled, be overhauled or change time, only need dismounting gearwheel shaft extension end square chest 7, the i.e. bearing gland of detachable below, and then spring bearing is operated.In the time of needs maintenance, replacing gearwheel oil sealing, also only need dismounting gearwheel shaft extension end square chest 7, i.e. detachable oil sealing, other bearings and oil sealing are in like manner.On described gear box structure, carry out aforesaid operations, upper box 2 does not need dismounting.
The utility model has taken into full account the convenience of unit later maintenance and maintenance, be independently detachable structure by the zone design that easily damaged parts bearing and oil sealing are installed, avoid, at dismounting, integral lifting gear-box upper cover while overhauling this region, having improved convenience, Economy and Security.
Claims (9)
1. a PTA compressor use can be at the gear-box of seal area, bearing district independent disassembling upper cover, it is characterized in that: comprise upper box (2), lower box (3) and multiple side box body, wherein upper box (2) is removably connected with lower box (3), described multiple side box body is the outside of dismountable bi-side that are arranged on upper box (2) respectively, and be communicated with the cavity of upper box (2), the lower end of described each side box body is removably connected with the upper end junction surface of lower box (3), the lower end of each side box body is provided with first bearing hole, the bottom half-bearing hole that this first bearing hole and lower box (3) are provided with encloses a complete bearing hole, described upper box (2), lower box (3) and multiple side box body enclose the gear-box of a hollow structure.
2. use and can, at the gear-box of seal area, bearing district independent disassembling upper cover, it is characterized in that by PTA compressor claimed in claim 1: described each side box body is square chest, and the position corresponding with square chest, side of described upper box (2) is provided with square opening.
3. using by PTA compressor claimed in claim 2 can be at the gear-box of seal area, bearing district independent disassembling upper cover, it is characterized in that: described side box body comprises gearwheel shaft extension end square chest (7), gearwheel cecum square chest (4), one-level square chest (5), secondary square chest (6) and two thrust-bearing square chests (8), wherein gearwheel shaft extension end square chest (7) and two thrust-bearing square chests (8) are arranged at the driving side of gear-box, described two thrust-bearing square chests (8) lay respectively at the both sides of gearwheel shaft extension end square chest (7), described gearwheel cecum square chest (4), one-level square chest (5) and secondary square chest (6) are arranged at the non-drive side of gear-box, described one-level square chest (5) and secondary square chest (6) are positioned at the both sides of gearwheel cecum square chest (4).
4. using by PTA compressor claimed in claim 3 can be at the gear-box of seal area, bearing district independent disassembling upper cover, it is characterized in that: the outer ledge of first bearing hole of described gearwheel shaft extension end square chest (7), one-level square chest (5) and secondary square chest (6) lower end is provided with oil sealing district (11), described oil sealing district (11) coordinates with the oil sealing district on lower box (3), for placing oil sealing.
5. use and can, at the gear-box of seal area, bearing district independent disassembling upper cover, it is characterized in that by PTA compressor claimed in claim 4: on the inwall in described oil sealing district (11), edge is circumferentially with oil seal groove (706).
6. using by the PTA compressor described in claim 1-4 any one can be at the gear-box of seal area, bearing district independent disassembling upper cover, it is characterized in that: the structure of described each side box body is identical, include front panel (701), top board (702), side plate flange (703), side plate (704) and split flange (705), wherein the upper end of front panel (701) is provided with top board (702), both sides are respectively equipped with side plate (704), described top board (702) with on two side plates (704), be all connected with the side plate flange (703) parallel with front panel (701), the both sides, lower end of described front panel (701) are provided with the split flange (705) for being connected with lower box (3), described first bearing hole is arranged at the lower end of front panel (701).
7. use and can, at the gear-box of seal area, bearing district independent disassembling upper cover, it is characterized in that by PTA compressor claimed in claim 6: the sidewall of described upper box (2) is provided with the flange strip being connected with the side plate flange (703) on side box body.
8. use and can, at the gear-box of seal area, bearing district independent disassembling upper cover, it is characterized in that by PTA compressor claimed in claim 1: in described bearing hole, be provided with bearing, the outside of described bearing is provided with bearing cap.
9. use and can, at the gear-box of seal area, bearing district independent disassembling upper cover, it is characterized in that by PTA compressor claimed in claim 1: described upper box (2), lower box (3) and each side box body are welded structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420441883.5U CN203979344U (en) | 2014-08-06 | 2014-08-06 | PTA compressor is used can be at the gear-box of seal area, bearing district independent disassembling upper cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420441883.5U CN203979344U (en) | 2014-08-06 | 2014-08-06 | PTA compressor is used can be at the gear-box of seal area, bearing district independent disassembling upper cover |
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| Publication Number | Publication Date |
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| CN203979344U true CN203979344U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420441883.5U Active CN203979344U (en) | 2014-08-06 | 2014-08-06 | PTA compressor is used can be at the gear-box of seal area, bearing district independent disassembling upper cover |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855901A (en) * | 2021-02-24 | 2021-05-28 | 北京清航紫荆装备科技有限公司 | Gear box and unmanned helicopter |
| CN114857242A (en) * | 2022-05-23 | 2022-08-05 | 重庆通用工业(集团)有限责任公司 | Welded gear box of steam compressor and assembling method thereof |
-
2014
- 2014-08-06 CN CN201420441883.5U patent/CN203979344U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855901A (en) * | 2021-02-24 | 2021-05-28 | 北京清航紫荆装备科技有限公司 | Gear box and unmanned helicopter |
| CN114857242A (en) * | 2022-05-23 | 2022-08-05 | 重庆通用工业(集团)有限责任公司 | Welded gear box of steam compressor and assembling method thereof |
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