CN105526162A - Screw pump for pitch conveying - Google Patents
Screw pump for pitch conveying Download PDFInfo
- Publication number
- CN105526162A CN105526162A CN201610063269.3A CN201610063269A CN105526162A CN 105526162 A CN105526162 A CN 105526162A CN 201610063269 A CN201610063269 A CN 201610063269A CN 105526162 A CN105526162 A CN 105526162A
- Authority
- CN
- China
- Prior art keywords
- screw pump
- screw
- pump
- pump housing
- asphalt delivery
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/001—Pumps for particular liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0088—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0096—Heating; Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2210/00—Fluid
- F04C2210/10—Fluid working
Abstract
The invention discloses a screw pump for pitch conveying. The screw pump comprises a screw pump body, a coupler, a motor and a base, wherein the screw pump body and the motor are fixed to the base with bolts; heat preservation layers are arranged at the two sides of the screw pump body through first flanges; a cover plate is arranged at the upper end of the screw pump body; a mechanical sealing layer is arranged between the cover plate and the upper end of the screw pump body; and an oil filling hole and a relief valve are formed in and arranged at the upper end of the screw pump body.
Description
Technical field
The invention belongs to asphalt delivery technical field, be specifically related to a kind of asphalt delivery screw pump.
Background technique
Bitumen construction equipment is widely used in highway in China traffic, urban construction, the construction on the road surfaces such as airfield runway or maintenance, 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 main, driven gear structural design existing defects, defect one is that driving gear and driven gear axle head and teeth portion adopt split-type structural, cause bulk strength low, working life reduces, it is partially narrow partially shallow that defect two is that tooth root portion easily considers groove to be worth doing, cause holding bits granularity less than normal, particularly be applied in the occasion of rubber asphalt, reduce pumping capacity, 3rd problem is, heat transfer efficiency is on the low side, particularly in the comparatively cold regional work progress in the north, when starting device again after equipment downtime a period of time, the pitch of bitumenpump inside solidifies, first need restart pump with after heat conduction board molten asphalt, heat transfer efficiency is low directly will affect utilization efficiency.
Summary of the invention
Goal of the invention: for above-mentioned prior art Problems existing and deficiency, the object of this invention is to provide a kind of asphalt delivery screw pump.
Technological scheme: the invention discloses a kind of asphalt delivery screw pump, comprise the screw pump pump housing, coupling, motor and support, the described screw pump pump housing and motor are fixed by bolts on support, described screw pump pump housing both sides are provided with thermal insulation layer by the first flange, this screw pump pump housing upper end is provided with cover plate, be provided with mechanical seal layer between this cover plate and screw pump pump housing upper end, described screw pump pump housing upper end is also provided with oil hole and safety valve.
As further optimization of the present invention, driving screw axle is comprised and from screw axis in the screw pump pump housing of the present invention, described driving screw axle connects from screw axis, this driving screw axle is arranged in bearing housing and driving screw axle is connected with bearing support sealed rotational, describedly stretches out screw pump pump housing end from screw axis and is sealed by asbestos packing.
As further optimization of the present invention, screw pump pump housing both sides of the present invention are respectively fixed with by the second flange has steam or conduction oil insulation jacket.
As further optimization of the present invention, the first flange of the present invention and the second flange are positioned at the same side of the described screw pump pump housing.
As further optimization of the present invention, coupling of the present invention is post Xiao coupling.
As further optimization of the present invention, between the screw pump pump housing of the present invention and support, be provided with spring washer.
As further optimization of the present invention, between motor of the present invention and support, be provided with spring washer.
As further optimization of the present invention, thermal insulation layer of the present invention is arranged on the two ends, left and right of the screw pump pump housing.。
Beneficial effect: the present invention compared with prior art, have the following advantages: the present invention adopts post Xiao coupling, overall structure is easily manufactured, it is more convenient that element is changed in mounting or dismounting, and the present invention adopts the first flange and the second flange to realize thermal insulation layer and insulation jacket, realize the heating and thermal insulation in all directions of the pump housing, the oil hole of pump housing upper end of the present invention is used for pump housing oiling before first time starts and can ensures lubrication when starting, adopt safety valve to pump housing overload protection aborning simultaneously, for ensureing pump housing global stability at work, at the pump housing be provided with spring washer between motor and support and play anti seismic efficiency, structure of the present invention is simple, easy accessibility, use power is little and flow is large, be applicable to the conveying of thick matter oils.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
The 1--screw pump pump housing, 2--coupling, 3--motor, 4--support, 5--first flange, 11--thermal insulation layer, 12--cover plate, 6--second flange, 7--spring washer.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; but illustrate that protection scope of the present invention is not limited to the concrete scope of the present embodiment simultaneously; based on the embodiment in the present invention; those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more; Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
As shown in Figure 1, a kind of asphalt delivery screw pump of the present embodiment, comprise the screw pump pump housing 1, coupling 2, motor 3 and support 4, the described screw pump pump housing 1 and motor 3 are fixed by bolts on support 4, the described screw pump pump housing 1 both sides are provided with thermal insulation layer 11 by the first flange 5, this thermal insulation layer 11 is arranged on the two ends, left and right of the screw pump pump housing 1, this screw pump pump housing 1 upper end is provided with cover plate 12, be provided with mechanical seal layer between this cover plate 12 and the screw pump pump housing 1 upper end, the screw pump pump housing 1 upper end is also provided with oil hole and safety valve.
Driving screw axle is comprised and from screw axis in the screw pump pump housing 1 of the present embodiment, driving screw axle connects from screw axis, this driving screw axle is arranged in bearing housing and driving screw axle is connected with bearing support sealed rotational, stretches out screw pump pump housing end sealed by asbestos packing from screw axis.
The screw pump pump housing 1 both sides of the present embodiment are respectively fixed with by the second flange 6 has steam or conduction oil insulation jacket, and the first flange 5 and the second flange 6 are positioned at the same side of the described screw pump pump housing 1.
The coupling 2 of the present embodiment is post Xiao coupling, and overall structure is easily manufactured, and it is more convenient that element is changed in mounting or dismounting.
For ensureing pump housing global stability at work, between the screw pump pump housing 1 of the present embodiment and support 4, between motor 3 and support 4, be equipped with spring washer 7.
The present embodiment adopts the first flange and the second flange to realize thermal insulation layer and insulation jacket; realize the heating and thermal insulation in all directions of the pump housing;, pump housing upper end oil hole be used for the pump housing first time start before oiling can ensure startup time lubrication; adopt safety valve to pump housing overload protection aborning simultaneously; screw pump disclosed in the present embodiment; use power is little and flow large, is applicable to the conveying of thick matter oils.
Claims (8)
1. an asphalt delivery screw pump, it is characterized in that: comprise the screw pump pump housing, coupling, motor and support, the described screw pump pump housing and motor are fixed by bolts on support, described screw pump pump housing both sides are provided with thermal insulation layer by the first flange, this screw pump pump housing upper end is provided with cover plate, be provided with mechanical seal layer between this cover plate and screw pump pump housing upper end, described screw pump pump housing upper end is also provided with oil hole and safety valve.
2. a kind of asphalt delivery screw pump according to claim 1, it is characterized in that: comprise driving screw axle in the described screw pump pump housing and from screw axis, described driving screw axle connects from screw axis, this driving screw axle is arranged in bearing housing and driving screw axle is connected with bearing support sealed rotational, describedly stretches out screw pump pump housing end from screw axis and is sealed by asbestos packing.
3. a kind of asphalt delivery screw pump according to claim 1, is characterized in that: described screw pump pump housing both sides are respectively fixed with by the second flange has steam or conduction oil insulation jacket.
4. a kind of asphalt delivery screw pump according to claim 3, is characterized in that: described first flange and the second flange are positioned at the same side of the described screw pump pump housing.
5. a kind of asphalt delivery screw pump according to claim 1, is characterized in that: described coupling is post Xiao coupling.
6. a kind of asphalt delivery screw pump according to claim 1, is characterized in that: be provided with spring washer between the described screw pump pump housing and support.
7. a kind of asphalt delivery screw pump according to claim 1, is characterized in that: be provided with spring washer between described motor and support.
8. a kind of asphalt delivery screw pump according to claim 1, is characterized in that: described thermal insulation layer is arranged on the two ends, left and right of the screw pump pump housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063269.3A CN105526162A (en) | 2016-01-31 | 2016-01-31 | Screw pump for pitch conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063269.3A CN105526162A (en) | 2016-01-31 | 2016-01-31 | Screw pump for pitch conveying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105526162A true CN105526162A (en) | 2016-04-27 |
Family
ID=55768592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610063269.3A Pending CN105526162A (en) | 2016-01-31 | 2016-01-31 | Screw pump for pitch conveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105526162A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089729A (en) * | 2016-08-25 | 2016-11-09 | 潍坊萨伯特精密转动设备有限公司 | A kind of ink conveying single-screw (single screw) pump and ink carrying method |
| CN109707623A (en) * | 2018-12-17 | 2019-05-03 | 江阴爱尔姆真空设备有限公司 | A kind of external bearing Quimby pump of single suction bilateral |
| CN110318998A (en) * | 2019-07-04 | 2019-10-11 | 天长市金马机械设备制造有限公司 | A kind of melting thermal insulation pump of good heat insulating |
| CN110374866A (en) * | 2019-06-05 | 2019-10-25 | 北京奥嘉仪高新技术有限公司 | A kind of screw pump automatic liquid supply skid mounted equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348453A (en) * | 1990-12-24 | 1994-09-20 | James River Corporation Of Virginia | Positive displacement screw pump having pressure feedback control |
| CN2608723Y (en) * | 2003-03-18 | 2004-03-31 | 沈訚 | Thermal insulating screw pump |
| CN2797684Y (en) * | 2005-03-17 | 2006-07-19 | 沈訚 | Thermal insulation type oil, water and gas mixed delivering screw pump |
| CN201818493U (en) * | 2010-09-25 | 2011-05-04 | 沈訚 | Pressure adjusting screw pump |
| CN204082537U (en) * | 2014-08-01 | 2015-01-07 | 天津泵业机械集团有限公司 | Horizontal boom installs lubrication three screw pump unit |
| CN204677428U (en) * | 2015-04-27 | 2015-09-30 | 浙江威肯特泵业有限公司 | A kind of novel three screw pump |
| CN205533194U (en) * | 2016-01-31 | 2016-08-31 | 太仓液压元件有限公司 | Pitch is carried and is used screw pump |
-
2016
- 2016-01-31 CN CN201610063269.3A patent/CN105526162A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348453A (en) * | 1990-12-24 | 1994-09-20 | James River Corporation Of Virginia | Positive displacement screw pump having pressure feedback control |
| CN2608723Y (en) * | 2003-03-18 | 2004-03-31 | 沈訚 | Thermal insulating screw pump |
| CN2797684Y (en) * | 2005-03-17 | 2006-07-19 | 沈訚 | Thermal insulation type oil, water and gas mixed delivering screw pump |
| CN201818493U (en) * | 2010-09-25 | 2011-05-04 | 沈訚 | Pressure adjusting screw pump |
| CN204082537U (en) * | 2014-08-01 | 2015-01-07 | 天津泵业机械集团有限公司 | Horizontal boom installs lubrication three screw pump unit |
| CN204677428U (en) * | 2015-04-27 | 2015-09-30 | 浙江威肯特泵业有限公司 | A kind of novel three screw pump |
| CN205533194U (en) * | 2016-01-31 | 2016-08-31 | 太仓液压元件有限公司 | Pitch is carried and is used screw pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089729A (en) * | 2016-08-25 | 2016-11-09 | 潍坊萨伯特精密转动设备有限公司 | A kind of ink conveying single-screw (single screw) pump and ink carrying method |
| CN106089729B (en) * | 2016-08-25 | 2019-04-23 | 潍坊萨伯特精密转动设备有限公司 | A kind of ink conveying single-screw (single screw) pump and ink delivery method |
| CN109707623A (en) * | 2018-12-17 | 2019-05-03 | 江阴爱尔姆真空设备有限公司 | A kind of external bearing Quimby pump of single suction bilateral |
| CN110374866A (en) * | 2019-06-05 | 2019-10-25 | 北京奥嘉仪高新技术有限公司 | A kind of screw pump automatic liquid supply skid mounted equipment |
| CN110318998A (en) * | 2019-07-04 | 2019-10-11 | 天长市金马机械设备制造有限公司 | A kind of melting thermal insulation pump of good heat insulating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160427 |