CN103062047A - Asphalt gear pump - Google Patents
Asphalt gear pump Download PDFInfo
- Publication number
- CN103062047A CN103062047A CN201310026419XA CN201310026419A CN103062047A CN 103062047 A CN103062047 A CN 103062047A CN 201310026419X A CN201310026419X A CN 201310026419XA CN 201310026419 A CN201310026419 A CN 201310026419A CN 103062047 A CN103062047 A CN 103062047A
- Authority
- CN
- China
- Prior art keywords
- gear
- asphalt
- gear pump
- improved
- driving gear
- 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.)
- Pending
Links
Images
Landscapes
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention discloses an asphalt gear pump which comprises a shell, a driving gear and a driven gear meshed inside the shell, a liquid inlet and outlet chamber inside the shell and an end cover on the shell, wherein shaft necks at two ends of the driving gear and the driven gear and tooth parts at the middle parts are integrally structured. As the shaft necks and the tooth parts at the middle part are integrally structured, the coaxiality of bearings at two ends is improved, the noise caused by the operation of the gear pump is reduced, the strengths of the gears are improved, a gear root chip pocket is deepened, the number of end surface modules is appropriately increased, a meshing spiral angle is reduced, a height modification coefficient is increased, the overall strength is improved, the chip pocket capability and the pumping capability are improved, and for same shell central distance, the strength of a signal gear is improved, the gear root chip pocket is larger, even impurities in the asphalt can be normally pumped, the noise in the working process is lower, the overall strength and the service life are improved, a heating oil channel inside a heat conduction plate is prolonged, the heat conduction efficiency of the heat conduction plate is improved, and the melting time of the asphalt is shortened.
Description
Technical field
The present invention relates to the bitumen construction equipment technical field, particularly a kind of asphalt gear pump.
Background technique
Bitumen construction equipment is widely used in construction or the maintenance on the road surfaces such as highway in China traffic, urban construction, airfield runway, asphalt gear pump is the critical component of bitumen construction equipment pitch pumping system, mainly there are three problems in existing asphalt gear pump: first problem is that master, driven gear structural design exist defective, defective one is driving gear and driven gear axle head and tooth section employing split-type structural, cause bulk strength low, reduce working life; Defective two is that tooth root section chip flute is partially narrow partially shallow, causes holding the bits granularity less than normal, particularly is applied in the occasion of rubber asphalt, has reduced pumping capacity; The 3rd problem is that heat transfer efficiency is on the low side; particularly in the work progress of the north than cold area, when equipment downtime starting device again after a period of time, the pitch of bitumenpump inside solidifies; restart pump after needing to melt pitch with heat conduction board first, heat transfer efficiency is low will directly to affect utilization efficiency.
Summary of the invention
The objective of the invention is provides a kind of asphalt gear pump for above-mentioned situation.
Purpose of the present invention realizes by following technical proposals:
A kind of asphalt gear pump comprises the driving gear of housing, enclosure interior engagement and driven gear, the liquid entrance cavity of enclosure interior, the end cap on the housing, and the axle journal at described driving gear and driven gear two ends and middle tooth section are integrative-structures.
As optimal way, the liquid entrance cavity of described gear pump is smooth curved surface without straightway.
As optimal way, the tooth section parameter of described driving gear and driven gear is as follows:
Transverse module is 15.875,
Helix angle is 13.5 °,
The height change coefficient is 0.025.
As optimal way, described enclosure interior is provided with the flange plate that makes driving gear and driven gear engagement.
As optimal way, described flange plate is bolted on the housing.
As optimal way, the axle journal at the two ends of described driving gear and driven gear is connected on the flange plate by spherical rolling bearing.
As optimal way, the axle journal of the driving gear of described gear pump is driven by motor.
As optimal way, the entry end of gear pump is connected with the pitch reactor by pipeline, and the outlet end of gear pump is connected with the pitch output pipe.
As optimal way, the housing of described gear pump is provided with heat conduction board, and heat conduction board inside is provided with the heating oil passage.
Job step of the present invention and principle are as follows:
Step 1: start bitumen construction equipment heating work system, high temperature heat conductive oil by the heat conduction, melts the pitch that solidifies in the bitumenpump through heat conduction board fast;
Step 2: startup bitumen construction Hydraulic Equipment, the oil hydraulic motor that is installed in the driving gear axle journal is started working, transmitting torque and rotating speed, the driving gear rotation drives the driven gear rotation of engagement again, by the principle realization pumping of volume-variation.
The bitumenpump continuous operation: bitumenpump housing entry end connects the reactor (filling the pitch container of high temperature) of bitumen construction equipment, and the outlet end of bitumenpump housing is connected to the pitch output pipe.When the bitumenpump running hours, pitch just enters bitumenpump from the entry end of housing, by bitumenpump bitumenpump is delivered to required place.
Beneficial effect of the present invention is as follows:
Existing Imported Asphalt pump is three sections split-type structurals, the axle journal and the tooth section that are driving gear and driven gear two ends are split-type structural, then synthesize integral body, axle journal and middle tooth section are integral structures among the present invention, improved the coaxality of bearings at both ends, reduce the noise of gear pump running, improved the intensity of gear.
Driving gear and driven gear guarantee correct engagement by flange plate, the equal mounting spherical rolling bearing in driving gear and driven gear two ends, spherical rolling bearing is installed in and realizes radial and axial fixing on flange plate, upper end cap and the lower end cap, flange plate is bolted on the housing, guarantees that finally driving gear and driven gear can freely rotate in housing.The liquid entrance cavity geometry is smooth curve without straightway, has reduced the flow resistance of liquid asphalt in cavity.
The present invention widens and has deepened the tooth root chip flute, suitably increase transverse module, reduce the meshing spiral angle, increased the height change coefficient, improve bulk strength, increase and hold bits ability and pumping capacity, same housing centre distance, the intensity of monodentate improves, tooth root section chip flute is larger, even the impurity in the pitch is normally pumping also, the noise in the working procedure is lower, has improved bulk strength and life-span.The inner heating oil passage of heat conduction board increases, and has improved the heat transfer efficiency of heat conduction board, has shortened the asphalt melting time.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is that A-A among Fig. 1 is to view.
Wherein, 1 is that housing, 2 is that driving gear, 3 is that driven gear, 4 is that flange plate, 5 is that upper end cap, 6 is that lower end cap, 7 is that heat conduction board, 8 is spherical rolling bearing.
Embodiment
The present invention is further illustrated below in conjunction with specific embodiments and the drawings.
As shown in the figure, a kind of asphalt gear pump, comprise the driving gear 2 of housing 1, enclosure interior engagement and driven gear 3, the liquid entrance cavity of enclosure interior, the end cap 5,6 on the housing, the axle journal at described driving gear and driven gear two ends and middle tooth section are integrative-structures.
The tooth section parameter of described driving gear and driven gear is as follows:
The number of teeth=6, transverse module=15.875, normal module is 15.436, helix angle is 13.5 °,
Normal pressure angle=20 °, addendum coefficient=1, tip clearance coefficient=0.157, height change coefficient=0.025, addendum=15.82, whole depth=33.3, tip diameter=126.89, base tangent length (K=2)=70.02, sphere distance (dp=Φ 24.4)=123.02.
The liquid entrance cavity of described gear pump is smooth curved surface without straightway.
Described enclosure interior is provided with the flange plate 4 that makes driving gear and driven gear engagement.
Described flange plate is bolted on the housing.
The axle journal at the two ends of described driving gear and driven gear is connected on the flange plate by spherical rolling bearing 8.
The axle journal of the driving gear of described gear pump is driven by motor.
The entry end of gear pump is connected with the pitch reactor by pipeline, and the outlet end of gear pump is connected with the pitch output pipe.
The housing of described gear pump is provided with heat conduction board 7, and heat conduction board inside is provided with the heating oil passage.
Job step of the present invention and principle are as follows:
Step 1: start bitumen construction equipment heating work system, high temperature heat conductive oil by the heat conduction, melts the pitch that solidifies in the bitumenpump through heat conduction board fast;
Step 2: startup bitumen construction Hydraulic Equipment, the oil hydraulic motor that is installed in the driving gear axle journal is started working, transmitting torque and rotating speed, the driving gear rotation drives the driven gear rotation of engagement again, by the principle realization pumping of volume-variation.
The bitumenpump continuous operation: bitumenpump housing entry end connects the reactor (filling the pitch container of high temperature) of bitumen construction equipment, and the outlet end of bitumenpump housing is connected to the pitch output pipe.When the bitumenpump running hours, pitch just enters bitumenpump from the entry end of housing, by bitumenpump bitumenpump is delivered to required place.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. asphalt gear pump, comprise the driving gear (2) of housing (1), enclosure interior engagement and driven gear (3), the liquid entrance cavity of enclosure interior, the end cap on the housing (5,6), it is characterized in that: the tooth section of the axle journal at described driving gear and driven gear two ends and centre is integrative-structure.
2. asphalt gear pump as claimed in claim 1, it is characterized in that: the liquid entrance cavity of described gear pump is smooth curved surface without straightway.
3. asphalt gear pump as claimed in claim 1 or 2, it is characterized in that: the tooth section parameter of described driving gear and driven gear is as follows:
Transverse module is 15.875,
Helix angle is 13.5 °,
The height change coefficient is 0.025.
4. asphalt gear pump as claimed in claim 3 is characterized in that: described enclosure interior is provided with the flange plate (4) that makes driving gear and driven gear engagement.
5. asphalt gear pump as claimed in claim 4, it is characterized in that: described flange plate is bolted on the housing.
6. asphalt gear pump as claimed in claim 5, it is characterized in that: the axle journal at the two ends of described driving gear and driven gear is connected on the flange plate by spherical rolling bearing (8).
7. such as claim 1 or 2 or 3 or 4 or 5 described asphalt gear pumps, it is characterized in that: the axle journal of the driving gear of described gear pump is driven by motor.
8. asphalt gear pump as claimed in claim 7, it is characterized in that: the entry end of gear pump is connected with the pitch reactor by pipeline, and the outlet end of gear pump is connected with the pitch output pipe.
9. asphalt gear pump as claimed in claim 8, it is characterized in that: the housing of described gear pump is provided with heat conduction board (7), and heat conduction board inside is provided with the heating oil passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310026419XA CN103062047A (en) | 2013-01-24 | 2013-01-24 | Asphalt gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310026419XA CN103062047A (en) | 2013-01-24 | 2013-01-24 | Asphalt gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103062047A true CN103062047A (en) | 2013-04-24 |
Family
ID=48104855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310026419XA Pending CN103062047A (en) | 2013-01-24 | 2013-01-24 | Asphalt gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103062047A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089990U (en) * | 1991-01-18 | 1991-12-04 | 程樱 | Double direction floating gear pump |
| CN2665409Y (en) * | 2003-12-04 | 2004-12-22 | 林时忠 | Gear type asphalt pump |
| JP2005180106A (en) * | 2003-12-22 | 2005-07-07 | Yano Special Vehicle Manufacturing Corp | Asphalt rolley |
| US20060117980A1 (en) * | 2004-11-12 | 2006-06-08 | Spraying Systems Co. | System and method for marking sheet materials |
| JP2006266000A (en) * | 2005-03-25 | 2006-10-05 | Sankyo Kk | Injection device for asphalt material |
| CN200978796Y (en) * | 2006-11-30 | 2007-11-21 | 顾雪明 | Gearing pump |
| CN102094813A (en) * | 2011-01-05 | 2011-06-15 | 浙江凯斯特液压有限公司 | Gear pump with asymmetric combined curved surface tooth form |
| CN203081741U (en) * | 2013-01-24 | 2013-07-24 | 成都市新筑路桥机械股份有限公司 | Asphalt gear pump |
-
2013
- 2013-01-24 CN CN201310026419XA patent/CN103062047A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089990U (en) * | 1991-01-18 | 1991-12-04 | 程樱 | Double direction floating gear pump |
| CN2665409Y (en) * | 2003-12-04 | 2004-12-22 | 林时忠 | Gear type asphalt pump |
| JP2005180106A (en) * | 2003-12-22 | 2005-07-07 | Yano Special Vehicle Manufacturing Corp | Asphalt rolley |
| US20060117980A1 (en) * | 2004-11-12 | 2006-06-08 | Spraying Systems Co. | System and method for marking sheet materials |
| JP2006266000A (en) * | 2005-03-25 | 2006-10-05 | Sankyo Kk | Injection device for asphalt material |
| CN200978796Y (en) * | 2006-11-30 | 2007-11-21 | 顾雪明 | Gearing pump |
| CN102094813A (en) * | 2011-01-05 | 2011-06-15 | 浙江凯斯特液压有限公司 | Gear pump with asymmetric combined curved surface tooth form |
| CN203081741U (en) * | 2013-01-24 | 2013-07-24 | 成都市新筑路桥机械股份有限公司 | Asphalt gear pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203081741U (en) | Asphalt gear pump | |
| CN204716928U (en) | A kind of industrial anti-wear gear | |
| CN105667212A (en) | Axle shaft for automobile drive axle | |
| CN105526162A (en) | Screw pump for pitch conveying | |
| CN103062047A (en) | Asphalt gear pump | |
| CN105644268A (en) | Driving axle shell | |
| CN204553784U (en) | A kind of straightening machine Special worm speed reducer | |
| CN115263487A (en) | Oil pumping device without additional power | |
| CN203604007U (en) | Heavy-duty vehicle and lubricating oil system thereof | |
| CN206290713U (en) | A kind of leading-type oil mist sealing device for bidirectional rotation engine | |
| CN101988571A (en) | Gearing with an oil scraper | |
| CN210290612U (en) | Speed reducer for slurry circulating pump | |
| CN105599540B (en) | A kind of automobile half-axle | |
| CN206206540U (en) | Worm screw with built-in lubrication system | |
| CN206320240U (en) | The power takeoff lubricated with two-chamber | |
| CN209115995U (en) | A kind of pair of bushing carries out the gear type oil pump of circulation lubrication | |
| CN203477277U (en) | External type forced lubrication device for power takeoff shaft | |
| CN208651559U (en) | A kind of double drive slewing equipment | |
| CN205533194U (en) | Pitch is carried and is used screw pump | |
| CN2528964Y (en) | External driving double-rotation helicoidal pump | |
| CN204387225U (en) | Novel gear speed reducer | |
| CN204646798U (en) | A kind of anticlogging water pump | |
| CN201389467Y (en) | Bevel gear transmission lubricating device used for trapezoidal grinder | |
| CN202851343U (en) | Oil transportation control system of gear oil pump | |
| CN206723358U (en) | A kind of gear reduction unit being connected with commutator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130424 |