CN105756925A - Colloidal liquid pump adopting single set of mechanical seal - Google Patents
Colloidal liquid pump adopting single set of mechanical seal Download PDFInfo
- Publication number
- CN105756925A CN105756925A CN201610283436.5A CN201610283436A CN105756925A CN 105756925 A CN105756925 A CN 105756925A CN 201610283436 A CN201610283436 A CN 201610283436A CN 105756925 A CN105756925 A CN 105756925A
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- Prior art keywords
- bearing
- driving shaft
- driven shaft
- gear
- front slide
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Classifications
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- 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
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- 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
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- 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
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- 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
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- 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
- F04C2240/00—Components
- F04C2240/50—Bearings
-
- 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
- F04C2240/00—Components
- F04C2240/60—Shafts
- F04C2240/605—Shaft sleeves or details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
A colloidal liquid pump adopting a single set of mechanical seal comprises a pump body, a front sliding bearing seat, a rear sliding bearing seat and a gear box, wherein at least one outlet and inlet are formed in the pump body, spiral sleeves which are mutually meshed are arranged on a driving shaft and a driven shaft, spiral grooves are formed in shaft sleeves in sliding bearings, the spiral directions of the spiral grooves in the two shaft sleeves on the rear sliding bearing are opposite, a main shaft spacer sleeve is arranged between the integral gear and the rear sliding bearing, a concave wheel and a cam which are mutually matched are arranged between the front sliding bearing and the right spiral sleeve, a mechanical seal is arranged between the outlet of the front sliding bearing seat and the driving shaft, a rolling bearing seat is arranged at the outer end of the mechanical seal, a bearing chamber of the rolling bearing seat is in a concave shape, the rolling bearing seat is arranged in the bearing chamber, and the front sliding bearing seat and the rear sliding bearing seat are communicated by an oil return pipe and the outlet of the pump body.The single set of mechanical seal is adopted, prior four sets of mechanical sealings are reduced into single set, and the leakage points are reduced more efficiently.
Description
Technical field
The present invention relates to the screw pump of mechanical field, be specifically related to a kind of single glue solution pump overlapping mechanical seal.
Background technology
Quimby pump can be divided into built-in bearing and two kinds of forms of outboard bearing.Structural shape middle (center) bearing at built-in bearing is lubricated by pumped (conveying) medium.The Quimby pump working chamber of outboard bearing structure separates with bearing.Make not contact between swivel nut additionally, adjust synchromesh gear, the half of output moment of torsion is passed to driven screw simultaneously.Screw pump is the same as in all, outboard bearing formula Quimby pump also has suction capacity, and most transport pump element itself is all that double suction is arranged symmetrically with, and can eliminate axial force, also having very big suction high, Quimby pump series of products are divided into single-suction double-screw pump and the big class of double-suction double screw pump two.These series of products have the special construction that special screw molded lines is matched, are widely used in oil, chemical industry, metallurgy, iron and steel, electric power, boats and ships, pharmacy, food, building materials etc..But, existing glue delivery pump major part uses outboard bearing Quimby pump, and the two ends of pump have gear-box and bearing housing respectively, structure is complicated, this design has four leak points, it is necessary to four set mechanical seals, in view of glue medium feature, seal and adopt four set double mechanical seals, the seal leakage point of pump is many, it is easy to break down, and structure is complicated, time between overhauls(TBO) is long, and expense is high；And stability is not good, often in use do not reach desirable effect, the normal work of impact.
Glue solution pump is Quimby pump is a kind of Quimby pump of glue market specific customization.Glue solution pump conventional on market is all four set integrated mechanical sealings.Not only cost is high, and owing to leakage point is relatively more, adds the maintenance probability of glue solution pump.So according to this special circumstances, devising the glue solution pump of only a set of mechanical seal.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of single glue solution pump overlapping mechanical seal, reduce production cost, reduce leakage point, reduce maintenance cost.
nullThis invention address that above-mentioned technical problem be the technical scheme is that a kind of single set mechanical seal glue solution pump，Including the pump housing having at least one entrance of an outlet、Front slide bearing block、Rear plain bearing housing and gear-box，It is characterized in that，Described rear plain bearing housing、Front slide bearing block is spirally connected fixing connection from outside by dowel screw with the pump housing，Driving shaft and driven shaft it is provided with in described gear-box，Described driving shaft and driven shaft are provided with intermeshing screw-casing，Described driving shaft、It is connected each through rear sliding bearing between driven shaft and rear plain bearing housing，Described rear sliding bearing is fixing with rear plain bearing housing to be connected，And form cavity，Axle sleeve in described rear sliding bearing is provided with helicla flute，Bearing is flowed in cavity by helicla flute in rotation process medium，Realize the self-lubricating of bearing，It is connected each through outer-hexagonal bolt is fixing between described driving shaft and driven shaft with rear sliding bearing，And pad is provided with gear pressure plate between outer-hexagonal bolt and driving shaft and driven shaft，Described driving shaft is provided with the overall gear of power output near one end of rear plain bearing housing，The driven shaft being mated is provided with adjustment gear，It is connected by gear sleeve is fixing between described adjustment gear and driven shaft，Described gear sleeve is set on driven shaft，And fixed by soket head cap screw，Main shaft spacer sleeve it is provided with between described overall gear and rear sliding bearing，It is provided with between gear sleeve and rear sliding bearing between centers spacer，Described driving shaft and the extension of driven shaft forward slip bearing block direction are sequentially provided with the contrary left-handed thread sleeve of intermeshing spiral and right-handed thread sleeve，Described left-handed thread sleeve and right-handed thread sleeve contact with each other，The left end of left-handed thread sleeve and the right-hand member of right-handed thread sleeve fix on driving shaft and driven shaft each through swivel nut locknut peace keying，It is connected each through front slide bearing between described driving shaft and driven shaft with front slide bearing block，Described front slide bearing is fixing with front slide bearing block to be connected，And form cavity，Axle sleeve in described front slide bearing is provided with helicla flute，It is provided with work in coordination recessed between described front slide bearing and right-handed thread sleeve to take turns and cam，Described recessed wheel is arranged on driving shaft，Described cam is arranged on driving shaft，Indirectly axially positioned for driven shaft with cam by recessed wheel theed work in coordination，Described driven shaft is placed in the cavity in front slide bearing block，Described driving shaft extends outward front slide bearing block，It is provided with mechanical seal between the outlet of described front slide bearing block and driving shaft，The outer end of described mechanical seal is provided with rolling bearing pedestal，Described rolling bearing pedestal is connected by studs is fixing with front slide bearing block，The bearing chamber of described rolling bearing pedestal is " recessed " shape，Rolling bearing is arranged on bearing bore indoor，Rolling bearing is connected with the chamber inner wall of rolling bearing pedestal，The outer end of described rolling bearing pedestal is sealed by bearing gland，Driving shaft passes bearing gland，Far-end is connected with power-equipment，Bearing gland band positioning spigot，Coordinate with bearing block，The positioning spigot of described bearing gland is provided with O groove，Inside it is provided with O to seal with rolling bearing pedestal，It is connected by outer-hexagonal bolt is fixing between described bearing gland and rolling bearing pedestal，Described driving shaft goes out to be provided with oil sealing with the port that contacts of bearing gland.
Further, the limit of described axle sleeve is stupefied is 45 degree of chamferings, and the helicla flute of axle sleeve is 45 degree of chamferings, groove depth 2mm.
Further, the junction of described front slide bearing block, rear plain bearing housing and the pump housing is provided with the junction of sealing gasket, described rolling bearing pedestal and front slide bearing block and is provided with sealing gasket.
Further, described recessed wheel is equipped with adjusting pad between the right-handed thread sleeve on right-handed thread sleeve on driving shaft, cam and driven shaft, is provided with adjusting pad between described rolling bearing and the contact surface of rolling bearing pedestal.
Further, described rolling bearing is single-groove grooved ball bearing.
Further, described overall gear is synchronizing direct gear with adjustment gear.
Further, described recessed take turns, cam and sliding bearing, overall gear, adjustment gear are connected each through flat key is fixing with driving shaft and driven shaft.
Further, described soket head cap screw is arranged with spring washer, then passes through centering flange and be spirally connected with rear plain bearing housing.
Further, described cam is fixed by round nut, is fixed on driven shaft, is provided with stop washer between described round nut and cam, and described rolling bearing and driving shaft are fixed by round nut, are provided with stop washer between described round nut and rolling bearing.
Further, described driving shaft and driven shaft are equipped with circlip with front contact of front slide bearing between end face.
It is an advantage of the current invention that: 1, the present invention adopts and singly overlaps mechanical seal, four set mechanical seals before reduce to single set, more effective minimizing leakage point；
2, the two ends of driving shaft and driven shaft all adopt sliding bearing, reduce cost, adopt bearing built-in, are possible not only to reduce the length of axle, strengthen the rigidity of axle；
3, driving shaft and driven shaft radially support by sliding bearing, axial direction, driving shaft is axially positioned by rolling bearing, and driving shaft is indirectly axially positioned for driven shaft with cam by recessed wheel, so both ensure that the low cost adopting sliding bearing, in turn ensure that use sliding bearing is not result in moving axially；
4, driving shaft and driven shaft are by synchronizing direct gear drive, it is to avoid use the synchronization helical gear of conventional pumps, decrease this pump axial force；
5, driving shaft and driven shaft add band spiral fluted axle sleeve, axle sleeve coordinates with sliding bearing, antero posterior axis bearing is by oil return pipe and pump discharge UNICOM, during pump work, by pump discharge pressure itself, medium returns to bearing block chamber by oil return pipe, due to band helicla flute on axle sleeve, now medium is transported to pump intake chamber endlessly, i.e. sliding bearing self-lubricating, sliding bearing structure in the past, without this structure, often occurs seizing phenomenon.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the profile of the present invention.
Fig. 2 is the front view of the present invention.
Fig. 3 is the detail view of sliding bearing axle sleeve of the present invention.
Fig. 4 is the I place enlarged drawing of Fig. 3 bottom bracket axle of the present invention.
Wherein:
1, the pump housing 2, front slide bearing block 3, rear plain bearing housing 4, rolling bearing pedestal
5, driving shaft 6, driven shaft 7, right-handed thread sleeve 8, left-handed thread sleeve
9, cam 10, recessed take turns 11, bearing gland 12, centering flange
13, overall gear 14, adjust gear 15, gear sleeve 16, gear pressure plate
17, main shaft spacer sleeve 18, between centers spacer 19, rear sliding bearing 20, axle sleeve
21, swivel nut locknut 22, adjusting pad 23, sealing gasket 24, rolling bearing
25, front slide bearing
110, soket head cap screw 111, spring washer 114, outer-hexagonal bolt 116, studs
117, dowel screw 118, helicla flute
127, round nut 128, stop washer
140, flat key 145, O 146, circlip
150, straight connector 151, oil return pipe
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of the description present invention and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " are only for descriptive purposes, and it is not intended that indicate or hint relative importance.
nullSuch as Fig. 1、Fig. 2、Fig. 3、A kind of single set mechanical seal glue solution pump shown in Fig. 4，Including the pump housing 1 having at least one entrance of an outlet、Front slide bearing block 2、Rear plain bearing housing 3 and gear-box，It is characterized in that，Described rear plain bearing housing 3、Front slide bearing block 2 is spirally connected fixing connection from outside by dowel screw 117 with the pump housing 1，Driving shaft 5 and driven shaft 6 it is provided with in described gear-box，Described driving shaft 5 and driven shaft 6 are provided with intermeshing screw-casing，Described driving shaft 5、It is connected each through rear sliding bearing 19 between driven shaft 6 and rear plain bearing housing 3，Described rear sliding bearing 19 is fixing with rear plain bearing housing 3 to be connected，And form cavity，Axle sleeve 20 in described rear sliding bearing 19 is provided with helicla flute 118，Bearing is flowed in cavity by helicla flute 118 in rotation process medium，Realize the self-lubricating of bearing，It is connected each through outer-hexagonal bolt 114 is fixing between described driving shaft 5 and driven shaft 6 with rear sliding bearing 19，And pad is provided with gear pressure plate 16 between outer-hexagonal bolt 114 and driving shaft 5 and driven shaft 6，Described driving shaft 5 is provided with the overall gear 13 of power output near one end of rear plain bearing housing 3，The driven shaft 6 being mated is provided with adjustment gear 14，It is connected by gear sleeve 15 is fixing between described adjustment gear 14 and driven shaft 6，Described gear sleeve 15 is sheathed on the driven shaft 6，And fixed by soket head cap screw 110，It is provided with main shaft spacer sleeve 17 between described overall gear 13 and rear sliding bearing 19，It is provided with between gear sleeve 15 and rear sliding bearing 19 between centers spacer 18，Described driving shaft 5 and the extension of driven shaft 6 forward slip bearing block 2 direction are sequentially provided with the contrary left-handed thread sleeve of intermeshing spiral 8 and right-handed thread sleeve 7，Described left-handed thread sleeve 8 and right-handed thread sleeve 7 contact with each other，The left end of left-handed thread sleeve 8 and the right-hand member of right-handed thread sleeve 7 are fixed on driving shaft 5 and driven shaft 6 each through swivel nut locknut 21 and flat key 140，It is connected each through front slide bearing 25 between described driving shaft 5 and driven shaft 6 with front slide bearing block 2，Described front slide bearing 25 is fixing with front slide bearing block 2 to be connected，And form cavity，Axle sleeve 20 in described front slide bearing 25 is provided with helicla flute 118，It is provided with work in coordination recessed between described front slide bearing 25 and right-handed thread sleeve 7 and takes turns 10 and cam 9，Described recessed take turns 10 and be arranged on driving shaft 5，Described cam 9 is arranged on driving shaft 5，By work in coordination recessed take turns 10 and cam 9 indirectly axially position for driven shaft 6，Described driven shaft 6 is placed in the cavity in front slide bearing block 2，Described driving shaft 5 extends outward front slide bearing block 2，Described front slide bearing block 2 exports and is provided with mechanical seal between driving shaft 5，The outer end of described mechanical seal is provided with rolling bearing pedestal 4，Described rolling bearing pedestal 4 is connected by studs 116 is fixing with front slide bearing block 2，The bearing chamber of described rolling bearing pedestal 4 is " recessed " shape，Rolling bearing 24 is arranged on bearing bore indoor，Rolling bearing 24 is connected with the chamber inner wall of rolling bearing pedestal 4，The outer end of described rolling bearing pedestal 4 is sealed by bearing gland 11，Driving shaft 5 passes bearing gland 11，Far-end is connected with power-equipment，Bearing gland 11 band positioning spigot，Coordinate with bearing block，The positioning spigot of described bearing gland 11 is provided with O 145 groove，Inside it is provided with O 145 to seal with rolling bearing pedestal 4，It is connected by outer-hexagonal bolt 114 is fixing between described bearing gland 11 and rolling bearing pedestal 4，Described driving shaft 5 goes out to be provided with oil sealing with the port that contacts of bearing gland 11.
Further, the limit of described axle sleeve 20 is stupefied is 45 degree of chamferings, and the helicla flute 118 of axle sleeve 20 is 45 degree of chamferings, groove depth 2mm.
Further, the junction of described front slide bearing block 2, rear plain bearing housing 3 and the pump housing 1 is provided with sealing gasket 23, and the junction of described rolling bearing pedestal 4 and front slide bearing block 2 is provided with sealing gasket 23.
Further, it is equipped with adjusting pad 22 between the right-handed thread sleeve 7 on described recessed right-handed thread sleeve 7, cam 9 and the driven shaft 6 taken turns on 10 and driving shaft 5, between described rolling bearing 24 and the contact surface of rolling bearing pedestal 4, is provided with adjusting pad 22.
Further, described rolling bearing 24 is single-groove grooved ball bearing.
Further, described overall gear 13 is synchronizing direct gear with adjustment gear 14.
Further, described recessed take turns 10, cam 9 and sliding bearing, overall gear 13, adjust gear 14 and driving shaft 5 and driven shaft 6 and fix each through flat key 140 and be connected.
Further, described soket head cap screw 110 is arranged with spring washer 111, then passes through centering flange 12 and be spirally connected with rear plain bearing housing 3.
Further, described cam 9 is fixed by round nut 127, fix on the driven shaft 6, it is provided with stop washer 128 between described round nut 127 and cam 9, described rolling bearing 24 is fixed by round nut 127 with driving shaft 5, is provided with stop washer 128 between described round nut 127 and rolling bearing 24.
Further, described driving shaft 5 and driven shaft 6 are equipped with circlip 146 with front contact of front slide bearing 25 between end face.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
- null1. a single set mechanical seal glue solution pump，Including the pump housing having at least one entrance of an outlet、Front slide bearing block、Rear plain bearing housing and gear-box，It is characterized in that，Described rear plain bearing housing、Front slide bearing block is spirally connected fixing connection from outside by dowel screw with the pump housing，Driving shaft and driven shaft it is provided with in described gear-box，Described driving shaft and driven shaft are provided with intermeshing screw-casing，Described driving shaft、It is connected each through rear sliding bearing between driven shaft and rear plain bearing housing，Described rear sliding bearing is fixing with rear plain bearing housing to be connected，And form cavity，Axle sleeve in described rear sliding bearing is provided with helicla flute，It is connected each through outer-hexagonal bolt is fixing between described driving shaft and driven shaft with rear sliding bearing，And pad is provided with gear pressure plate between outer-hexagonal bolt and driving shaft and driven shaft，Described driving shaft is provided with the overall gear of power output near one end of rear plain bearing housing，The driven shaft being mated is provided with adjustment gear，It is connected by gear sleeve is fixing between described adjustment gear and driven shaft，Described gear sleeve is set on driven shaft，And fixed by soket head cap screw，Main shaft spacer sleeve it is provided with between described overall gear and rear sliding bearing，It is provided with between gear sleeve and rear sliding bearing between centers spacer，Described driving shaft and the extension of driven shaft forward slip bearing block direction are sequentially provided with the contrary left-handed thread sleeve of intermeshing spiral and right-handed thread sleeve，Described left-handed thread sleeve and right-handed thread sleeve contact with each other，The left end of left-handed thread sleeve and the right-hand member of right-handed thread sleeve fix on driving shaft and driven shaft each through swivel nut locknut peace keying，It is connected each through front slide bearing between described driving shaft and driven shaft with front slide bearing block，Described front slide bearing is fixing with front slide bearing block to be connected，And form cavity，Axle sleeve in described front slide bearing is provided with helicla flute，It is provided with work in coordination recessed between described front slide bearing and right-handed thread sleeve to take turns and cam，Described recessed wheel is arranged on driving shaft，Described cam is arranged on driving shaft，Described driven shaft is placed in the cavity in front slide bearing block，Described driving shaft extends outward front slide bearing block，It is provided with mechanical seal between the outlet of described front slide bearing block and driving shaft，The outer end of described mechanical seal is provided with rolling bearing pedestal，Described rolling bearing pedestal is connected by studs is fixing with front slide bearing block，The bearing chamber of described rolling bearing pedestal is " recessed " shape，Rolling bearing is arranged on bearing bore indoor，Rolling bearing is connected with the chamber inner wall of rolling bearing pedestal，The outer end of described rolling bearing pedestal is sealed by bearing gland，Driving shaft passes bearing gland，Far-end is connected with power-equipment，Bearing gland band positioning spigot，Coordinate with bearing block，The positioning spigot of described bearing gland is provided with O groove，Inside it is provided with O to seal with rolling bearing pedestal，It is connected by outer-hexagonal bolt is fixing between described bearing gland and rolling bearing pedestal，Described driving shaft goes out to be provided with oil sealing with the port that contacts of bearing gland.
- 2. a kind of single set mechanical seal glue solution pump according to claim 1, it is characterised in that: the junction of described front slide bearing block, rear plain bearing housing and the pump housing is provided with the junction of sealing gasket, described rolling bearing pedestal and front slide bearing block and is provided with sealing gasket.
- 3. a kind of single set mechanical seal glue solution pump according to claim 1, it is characterized in that: described recessed wheel is equipped with adjusting pad between the right-handed thread sleeve on right-handed thread sleeve on driving shaft, cam and driven shaft, is provided with adjusting pad between described rolling bearing and the contact surface of rolling bearing pedestal.
- 4. a kind of single set mechanical seal glue solution pump according to claim 1, it is characterised in that: described rolling bearing is single-groove grooved ball bearing.
- 5. a kind of single set mechanical seal glue solution pump according to claim 1, it is characterised in that: described overall gear and the adjustment equal synchronizing direct gear of gear.
- 6. a kind of single set mechanical seal glue solution pump according to claim 1, it is characterised in that: described recessed take turns, cam and sliding bearing, overall gear, adjustment gear and driving shaft and driven shaft are fixed each through flat key and are connected.
- 7. a kind of single set mechanical seal glue solution pump according to claim 1, it is characterised in that: described soket head cap screw is arranged with spring washer, then passes through centering flange and be spirally connected with rear plain bearing housing.
- 8. a kind of single set mechanical seal glue solution pump according to claim 1, it is characterized in that: described cam is fixed by round nut, it is fixed on driven shaft, it is provided with stop washer between described round nut and cam, described rolling bearing and driving shaft are fixed by round nut, are provided with stop washer between described round nut and rolling bearing.
- 9. a kind of single set mechanical seal glue solution pump according to claim 1, it is characterised in that: described driving shaft and driven shaft are equipped with circlip with front contact of front slide bearing between end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610283436.5A CN105756925A (en) | 2016-04-28 | 2016-04-28 | Colloidal liquid pump adopting single set of mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610283436.5A CN105756925A (en) | 2016-04-28 | 2016-04-28 | Colloidal liquid pump adopting single set of mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105756925A true CN105756925A (en) | 2016-07-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610283436.5A Pending CN105756925A (en) | 2016-04-28 | 2016-04-28 | Colloidal liquid pump adopting single set of mechanical seal |
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| CN (1) | CN105756925A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626113A (en) * | 2018-07-03 | 2018-10-09 | 浙江融乐环境科技有限公司 | A kind of middle open type double-helix screw pump |
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| CN204877926U (en) * | 2015-08-25 | 2015-12-16 | 江西新龙泵业科技制造有限公司 | Double suction unit seals quimby pump |
| CN205559266U (en) * | 2016-04-28 | 2016-09-07 | 天津市曌林机泵设备有限公司 | Singly overlap mechanical seal glue solution pump |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3265292A (en) * | 1965-01-13 | 1966-08-09 | Svenska Rotor Maskiner Ab | Screw rotor machine |
| CN202149059U (en) * | 2011-05-30 | 2012-02-22 | 昆明嘉和科技股份有限公司 | Sliding bearing not easy to block |
| CN202301006U (en) * | 2011-10-14 | 2012-07-04 | 天津泵业机械集团有限公司 | Built-in bearing double-helix triple-helix double-screw pump |
| CN204511874U (en) * | 2015-03-18 | 2015-07-29 | 天津市曌林机泵设备有限公司 | A kind of Novel sliding bearing two screw pump |
| CN204877926U (en) * | 2015-08-25 | 2015-12-16 | 江西新龙泵业科技制造有限公司 | Double suction unit seals quimby pump |
| CN205559266U (en) * | 2016-04-28 | 2016-09-07 | 天津市曌林机泵设备有限公司 | Singly overlap mechanical seal glue solution pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108626113A (en) * | 2018-07-03 | 2018-10-09 | 浙江融乐环境科技有限公司 | A kind of middle open type double-helix screw pump |
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Application publication date: 20160713 |