CN203188099U - Vibrating drum ventilating mechanism for vibratory roller - Google Patents
Vibrating drum ventilating mechanism for vibratory roller Download PDFInfo
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- CN203188099U CN203188099U CN 201320132559 CN201320132559U CN203188099U CN 203188099 U CN203188099 U CN 203188099U CN 201320132559 CN201320132559 CN 201320132559 CN 201320132559 U CN201320132559 U CN 201320132559U CN 203188099 U CN203188099 U CN 203188099U
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Abstract
The utility model relates to a vibrating drum ventilating mechanism for a vibratory roller. The vibrating drum ventilating mechanism is characterized in that an oil seal is arranged between a left vibrating chamber and a left vibrating shaft, a cavity of the left vibrating chamber serves as a left air chamber, an oil seal is arranged between a right vibrating chamber and a right vibrating shaft, a cavity of the right vibrating chamber serves as a right air chamber, a cavity among a bearing pedestal, the right vibrating chamber and a bearing cap serves as a shaft-end air chamber, one end of a first air passage in the left vibrating shaft is communicated with the left air chamber, the other end of the first air passage is communicated with a second air passage of a coupler, one end of a third air passage in the right vibrating shaft is communicated with the second air passage of the coupler, the other end of the third air passage is communicated with the right air chamber, one end of a fourth air passage in the right vibrating shaft is communicated with the right air chamber, the other end of the fourth air passage is communicated with a gear backlash of a joining sleeve and the shaft-end air chamber through a stop dog air passage on a stop dog and an output shaft of a motor, and a ventilating plug on the upper part of the bearing cover is communicated with the shaft-end air chamber. The vibrating drum ventilating mechanism has the advantages that pressure energy in the vibrating chambers working at high strength balances with that at the outside, the service life of a sealing element and each bearing is prolonged, the maintenance is convenient, and the working stability is improved.
Description
Technical field
The utility model relates to a kind of vibratory roller with the ventilative mechanism of vibrating wheels, belongs to the vibratory roller technical field.
Background technology
Inertia force and the shock loading of heavy road roller in starting of oscillation, failure of oscillation and size are shaken amplitude changing process is bigger, vibration bearing is to impact fog lubrication cooling that lubrication oil produces by vibrating mechanism, because structural limitations can not be forced cooling to the exciting agency that runs up, the heat that produces can only be by former and the outer outside radiation of road surfaces of steel wheel, reach the thermal equilibrium temperature height after vibratory chamber's work and directly influence seal and vibration bearing life-span, and vibratory chamber's temperature fluctuation can influence vibratory chamber's internal pressure variation, and pressure changes the further fluctuating of aggravation temperature.For the fully-hydraulic vibration roller vibrating wheels, be separately installed with mechanisms such as reducer and CD-ROM drive motor at its drive end, so the ventilative mechanism design of vibrating wheels is a difficult problem for many years always.
Mainly contain two kinds of structures for the ventilative mechanism of all-hydraulic vibration wheel of road roller at present, a kind of is as vibratory chamber in the former of steel wheel, spindle nose is installed on the former, eccentric block is installed on the vibrating shaft, and vibrating shaft is installed in the bearing support and spindle nose on the drive end by vibration bearing, the walking bearing then is arranged between spindle nose and the bearing support, the bearing cover that is used for the installation motor is installed in bearing support, motor output shaft is connected with vibrating shaft by coupling sleeve, output shaft and the right vibrating shaft of block by spring and motor that is arranged in the coupling sleeve joins, the cavity of its spindle nose and bearing support and bearing cover communicates with vibratory chamber by the gap between coupling sleeve and the spindle nose endoporus and the air flue on vibration bearing and the spindle nose, porous plug is installed on the bearing cover, when exciting agency runs up, by porous plug the pressure in this vibratory chamber can be consistent with external environment condition pressure, be used widely at middle-size and small-size and dual-steel wheel road roller at present.The ventilative mechanism of another kind of structure, be to be provided with two independently vibratory chamber at vibrating mechanism, the vibratory chamber that is positioned at driving side beats a hole porous plug is installed in vibration casing one side at the center of supporting vibration bearing, and the vibratory chamber that connects vibrating motor one side is connected with bearing support by the walking bearing, its bearing cover is installed on the bearing support, this side vibratory chamber communicates with cavity between the bearing cover with the gap and the bearing support that vibrate between the casing endoporus by vibration bearing and with adapter sleeve, communicates with external environment by the porous plug that is installed on the bearing cover.But because of the moving and vibration in not stall of when work steel wheel, the porous plug at driving side place stops up easily and breaks down, and it is less to add between upper reducer and the vibration casing space, and it is inconvenient not only to observe, and it is bigger that difficulty is particularly changed in maintaining.Moreover above-mentioned two kinds of structures are not when vibrating mechanism is worked, because reducing the negative pressure that causes, vibratory chamber's temperature can not in time discharge, the variation of vibration indoor circulation positive/negative pressure in the life-span of further reducing seal and each bearing, makes the job stability of present vibrating wheels not high.
Summary of the invention
The purpose of this utility model provide a kind of can to the pressure in the vibratory chamber of intensive work can with extraneous balance, prolong seal and each bearing application life, maintaining is convenient, the vibratory roller that improves job stability is with the ventilative mechanism of vibrating wheels.
The utility model is that the technical scheme that achieves the above object is: a kind of vibratory roller is with the ventilative mechanism of vibrating wheels, comprise left vibratory chamber, left side vibrating shaft and right vibratory chamber and right vibrating shaft, left side vibrating shaft is bearing in the left vibratory chamber by vibration bearing, right vibrating shaft is bearing in the right vibratory chamber by vibration bearing, left side vibrating shaft is connected with right vibrating shaft by shaft coupling, the output shaft of right vibrating shaft and motor is connected with the coupling sleeve key, being arranged on interior block one side of coupling sleeve and the output shaft of motor joins, the other end joins by spring and right vibrating shaft end face, the shaft part in the right vibratory chamber outside is connected with bearing support by the walking bearing, the bearing cover that connects motor is connected with bearing support, it is characterized in that: oil sealing is installed between described left vibratory chamber and the left vibrating shaft and left vibratory chamber cavity is constituted independently left air chamber, oil sealing is installed between right vibratory chamber and the right vibrating shaft and right vibratory chamber cavity is constituted independently right air chamber, between the inboard and right vibratory chamber of bearing support and between right vibratory chamber and the coupling sleeve oil sealing is installed, bearing support, cavity between right vibratory chamber and the bearing cover constitutes independently axle head air chamber, an end of first air flue communicates with left air chamber in the vibrating shaft of a left side, second air flue in the other end and the shaft coupling communicates, an end of the 3rd air flue communicates with second air flue of shaft coupling in the right vibrating shaft, the other end communicates with right air chamber, an end of the 4th air flue communicates with right air chamber in the right vibrating shaft, the other end communicates with the axle head air chamber with the coupling sleeve backlash by the output shaft of the block air flue on the block and motor, is installed in bearing upper part of the cover porous plug and communicates with the axle head air chamber.
The utility model has the following advantages after adopting such scheme:
1, the utility model is provided with first air flue at left vibrating shaft, same right vibrating shaft is provided with the 3rd air flue and the 4th air flue, by its second air flue of shaft coupling and the block air flue on the block and the backlash of motor output shaft and coupling sleeve that is connected with right vibrating shaft with left vibrating shaft, in road roller vibration mechanism runs up process, make left air chamber, right air chamber and axle head air chamber communicate, a left side, the pressure that the temperature rising of right vibratory chamber causes changes first air flue by left vibrating shaft, the 3rd air flue on the right vibrating shaft, the 4th air flue finally unloads outward by porous plug, makes two vibration ambient pressure balances.The utility model is only set up air flue at the side-to-side vibrations axle, need not to increase other part, effectively solves the problem that all-hydraulic heavy vibratory roller intensive work vibratory chamber's pressure and ambient pressure carry out balance.
2, left air chamber of the present utility model communicates with second air flue on the shaft coupling by first air flue on the left vibrating shaft, right air chamber communicates with second air flue on the shaft coupling by the 3rd air flue on the right vibrating shaft, therefore the vibrating mechanism of steel wheel is not when working, left and right vibratory chamber temperature reduces the negative pressure that causes, can communicate with steel wheel inside by the shaft coupling intermediate space, by ventilation opening and the extraneous air-breathing balance of steel wheel former, and the application life of improving seal and each bearing.
3, the utility model left side, right vibratory chamber gangs up by air flue, when working, vibrating mechanism can its internal pressure and external environment condition pressure be carried out balance by a porous plug, and when vibrating mechanism is not worked, its left side, negative pressure in the right vibratory chamber also can be carried out balance with external environment condition pressure, increase substantially the application life of seal and vibration bearing and walking bearing, porous plug is positioned at the vibrating motor side in addition, be convenient to observe, and maintaining is convenient, effectively satisfy road roller vibration working condition requirement, improve the job stability of all-hydraulic heavy vibratory roller intensive work vibratory chamber.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is the utility model vibratory roller with the structural representation of the ventilative mechanism of vibrating wheels.
Fig. 2 is the structural representation of the utility model shaft coupling.
Fig. 3 is the structural representation of the utility model block.
Fig. 4 is the side-looking structural representation of Fig. 3.
Wherein: 1-left vibratory chamber, 2-vibration bearing, 3-left vibrating shaft, 3-1-first air flue, 4-oil sealing, 5-oil seal cover, 6-shaft coupling, 6-1-second air flue, 6-2-driven disc, 6-3-elastic body, 6-4-driving disc spacing pressing, 7-right vibrating shaft, 7-1-the 3rd air flue, 7-2-the 4th air flue, 8-right vibratory chamber, 9-bearing support, 10-walking bearing, 11-bearing cover, 12-porous plug, 13-motor, 14-axle head air chamber, 15-block, 15-1-block air flue, 16-spring, 17-coupling sleeve, 18-right air chamber, 19-left air chamber, 20-steel wheel former, 21-reducer.
The specific embodiment
See shown in Figure 1, vibratory roller of the present utility model is with the ventilative mechanism of vibrating wheels, comprise left vibratory chamber 1, left side vibrating shaft 3 and right vibratory chamber 8 and right vibrating shaft 7, left side vibrating shaft 3 is bearing in the left vibratory chamber 1 by vibration bearing 2, right vibrating shaft 7 is bearing in the right vibratory chamber 8 by vibration bearing 2, left side vibrating shaft 3 is connected with right vibrating shaft 7 by shaft coupling 6, see shown in Figure 2, the driven disc 6-2 of this shaft coupling 6 of the utility model is connected with left vibrating shaft 3, driving disc spacing pressing 6-4 is connected with right vibrating shaft 7, the projection of driven disc 6-2 and driving disc spacing pressing 6-4 the inner is arranged in the middle quincuncial elastic body 6-3, and be provided with the second air flue 6-1 in the elastic body 6-3, make shaft coupling 6 when vibrating mechanism is worked, go up the second interior air flue 6-1 by its elastic body 6-3, the left air chamber 19 of left vibratory chamber 1 is communicated with the right air chamber 18 of right vibratory chamber 8, the output shaft of right vibrating shaft 7 and motor 13 is connected with coupling sleeve 17 keys, being arranged on block 15 1 sides in the coupling sleeve 17 and the output shaft of motor 13 joins, the other end joins by spring 16 and right vibrating shaft 7 end faces, the shaft part in right vibratory chamber 8 outsides is connected with bearing support 9 by walking bearing 10, the bearing cover 11 that connects motor 13 is connected with bearing support 9, by motor 13 power is reached a left side, on the right shaft vibration axle, the eccentric block that drive is installed on the side-to-side vibrations axle 7 rotates, and reducer 21 1 sides and driving-disc are fixed together, and be connected with steel wheel former 20 by shock absorber, the walking of driving steel wheel, the opposite side of reducer 21 is connected with vehicle frame by link.
See shown in Figure 1, oil sealing 4 is installed and with the cavity formation of left vibratory chamber 1 left air chamber 19 independently between the utility model left side vibratory chamber 1 and the left vibrating shaft 3, and oil sealing 4 is installed between right vibratory chamber 8 and the right vibrating shaft 7 and the cavity of right vibratory chamber 8 is constituted independently right air chamber 18, between the inboard of bearing support 9 and the right vibratory chamber 8 and between right vibratory chamber 8 and the coupling sleeve 17 oil sealing 4 is installed, oil sealing 4 is installed in vibratory chamber and bearing support 9 places by oil seal cover 5, bearing support 9, cavity between right vibratory chamber 8 and the bearing cover 11 constitutes independently axle head air chamber 14, the first air flue 3-1, one end in the left side vibrating shaft 3 communicates with left air chamber 19, the second air flue 6-1 in the other end and the shaft coupling 6 communicates, this first air flue 3-1 is made of axial hole and radial hole, the 3rd air flue 7-1 one end in the right vibrating shaft 7 communicates with the second air flue 6-1 of shaft coupling 6, the other end communicates with right air chamber 18, the 4th air flue 7-2 one end in the right vibrating shaft 7 communicates with right air chamber 18, the other end communicates with axle head air chamber 14 with the backlash of coupling sleeve 17 by the output shaft of the block air flue 15-1 on the block 15 and motor 13, the porous plug 12 that is installed in bearing cover 11 tops communicates with axle head air chamber 14, porous plug 12 is dihedral, and the opening of porous plug 12 is arranged on the top.See shown in Figure 1ly, the utility model the 3rd air flue 7-1 and the 4th air flue 7-2 also are made of axial hole and radial hole.See Fig. 3, shown in 4, block 15 of the present utility model is provided with axial hole, and block 15 is provided with the radial groove that communicates with axial hole with the end face that the output shaft of motor 13 joins, axial hole and radial groove shape constitute block air flue 15-1, therefore can be by first air flue in the left vibrating shaft 3, the 3rd air flue 7-1 in the right vibrating shaft 7, the 4th air flue 7-2 and block air flue 15-1 and shaft coupling 6, make the left air chamber 19 in the left vibratory chamber 1, right air chamber 18 and axle head air chamber 14 in the right vibratory chamber 8 communicate, and pass through porous plug 12 with the pressure in the vibratory chamber and external pressure balance
See shown in Figure 1, vibrating shaft 3 communicate with left air chamber 19 port of the first air flue 3-1 in the utility model left side is arranged on eccentric block center of gravity one side, the port of the 4th air flue 7-2 that right vibrating shaft 7 communicates with right air chamber 18 and the port of the 3rd air flue 7-1 are arranged on eccentric block center of gravity one side, steel wheel is depressed when starting building to do, the port of each air flue is all consistent with the center of gravity of eccentric block and down, can avoid liquid lubrication oil to splash into air-vent and blocking channel, increase ventilative reliability.
Claims (6)
1. a vibratory roller is with the ventilative mechanism of vibrating wheels, comprise left vibratory chamber (1), left side vibrating shaft (3) and right vibratory chamber (8) and right vibrating shaft (7), left side vibrating shaft (3) is bearing in the left vibratory chamber (1) by vibration bearing (2), right vibrating shaft (7) is bearing in the right vibratory chamber (8) by vibration bearing (2), left side vibrating shaft (3) is connected with right vibrating shaft (7) by shaft coupling (6), the output shaft of right vibrating shaft (7) and motor (13) is connected with coupling sleeve (17) key, being arranged on interior block (15) one sides of coupling sleeve (17) and the output shaft of motor (13) joins, the other end joins by spring (16) and right vibrating shaft (7) end face, the shaft part in right vibratory chamber (8) outside is connected with bearing support (9) by walking bearing (10), the bearing cover (11) that connects motor (13) is connected with bearing support (9), it is characterized in that: oil sealing (4) is installed between described left vibratory chamber (1) and the left vibrating shaft (3) and left vibratory chamber (1) cavity is constituted independently left air chamber (19), oil sealing (4) is installed between right vibratory chamber (8) and the right vibrating shaft (7) and right vibratory chamber (8) cavity is constituted independently right air chamber (18), between the inboard and right vibratory chamber (8) of bearing support (9) and between right vibratory chamber (8) and the coupling sleeve (17) oil sealing (4) is installed, bearing support (9), cavity between right vibratory chamber (8) and the bearing cover (11) constitutes independently axle head air chamber (14), an end of first air flue (3-1) communicates with left air chamber (19) in the left side vibrating shaft (3), second air flue (6-1) in the other end and the shaft coupling (6) communicates, an end of the 3rd air flue (7-1) communicates with second air flue (6-1) of shaft coupling (6) in the right vibrating shaft (7), the other end communicates with right air chamber (18), an end of the 4th air flue (7-2) communicates with right air chamber (18) in the right vibrating shaft (7), the other end communicates with axle head air chamber (14) with coupling sleeve (17) backlash by the output shaft of the block air flue (15-1) on the block (15) and motor (13), and the porous plug (12) that is installed in bearing cover (11) top communicates with axle head air chamber (14).
2. vibratory roller according to claim 1 is with the ventilative mechanism of vibrating wheels, it is characterized in that: the driven disc (6-2) of described shaft coupling (6) is connected with left vibrating shaft (3), driving disc spacing pressing (6-4) is connected with right vibrating shaft (7), the inner projection of driven disc (6-2) and driving disc spacing pressing (6-4) is arranged in the middle quincuncial elastic body (6-3), and is provided with second air flue (6-1) in the elastic body (6-3).
3. vibratory roller according to claim 1 is with the ventilative mechanism of vibrating wheels, it is characterized in that: described block (15) is provided with axial hole, and block (15) is provided with the radial groove that communicates with axial hole with the end face that the output shaft of motor (13) joins, and axial hole and radial groove form block air flue (15-1).
4. vibratory roller according to claim 1 is with the ventilative mechanism of vibrating wheels, and it is characterized in that: described porous plug (12) is dihedral, and the opening of porous plug (12) is arranged on the top.
5. vibratory roller according to claim 1 is with the ventilative mechanism of vibrating wheels, and it is characterized in that: first air flue (3-1) port that described left vibrating shaft (3) communicates with left air chamber (19) is arranged on eccentric block center of gravity one side.
6. vibratory roller according to claim 1 is with the ventilative mechanism of vibrating wheels, and it is characterized in that: the port of the 4th air flue (7-2) that described right vibrating shaft (7) communicates with right air chamber (18) and the port of the 3rd air flue (7-1) are arranged on eccentric block center of gravity one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320132559 CN203188099U (en) | 2013-03-21 | 2013-03-21 | Vibrating drum ventilating mechanism for vibratory roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320132559 CN203188099U (en) | 2013-03-21 | 2013-03-21 | Vibrating drum ventilating mechanism for vibratory roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203188099U true CN203188099U (en) | 2013-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320132559 Withdrawn - After Issue CN203188099U (en) | 2013-03-21 | 2013-03-21 | Vibrating drum ventilating mechanism for vibratory roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203188099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132435A (en) * | 2013-03-21 | 2013-06-05 | 常林股份有限公司 | Vibrating drum ventilating mechanism for vibratory roller |
-
2013
- 2013-03-21 CN CN 201320132559 patent/CN203188099U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132435A (en) * | 2013-03-21 | 2013-06-05 | 常林股份有限公司 | Vibrating drum ventilating mechanism for vibratory roller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130911 Effective date of abandoning: 20150422 |