CN1032710C - Unit for sealing of relative sliding surface of S shaped sluice valve of concrete pump - Google Patents
Unit for sealing of relative sliding surface of S shaped sluice valve of concrete pump Download PDFInfo
- Publication number
- CN1032710C CN1032710C CN93108159A CN93108159A CN1032710C CN 1032710 C CN1032710 C CN 1032710C CN 93108159 A CN93108159 A CN 93108159A CN 93108159 A CN93108159 A CN 93108159A CN 1032710 C CN1032710 C CN 1032710C
- Authority
- CN
- China
- Prior art keywords
- concrete
- mentioned
- shape
- gate
- slide plate
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title 1
- 230000010355 oscillation Effects 0.000 description 7
- 239000002002 slurry Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B7/00—Piston machines or pumps characterised by having positively-driven valving
- F04B7/0019—Piston machines or pumps characterised by having positively-driven valving a common distribution member forming a single discharge distributor for a plurality of pumping chambers
- F04B7/0034—Piston machines or pumps characterised by having positively-driven valving a common distribution member forming a single discharge distributor for a plurality of pumping chambers and having an orbital movement, e.g. elbow-pipe type members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
To improve forced feed performance by interposing a hydraulic cylinder which adjusts the contact angle of a sliding plate with a sliding ring between a concrete cylinder and a gate housing, and holding the contact surfaces of the sliding plate and the sliding ring in parallel to each other for mutual close contact. A sliding plate 7 is installed at a housing 4 on concrete cylinders 1, 1' side in a concrete pump. Besides, a sliding ring 8 is installed at an S-shaped pipe 6. Moreover, the S-shaped pipe 6 is swingably supported on a gate housing. In addition, the housing 4 and the gate housing 5 are connected to each other through a pivoted part 3. With this constitution, a hydraulic cylinder 16 which adjusts a contact angle alpha1 of the sliding plate 7 with the sliding ring 8 is installed between concrete cylinders 1, 1' and the gate housing 5. It is thus possible to adjust the contact angle alpha1 according to the deflection angle alpha2 of the S-shaped pipe 6, and maintain the contact surfaces of the sliding plate 7 and the sliding ring 8 is parallel to each other, for mutual close contact.
Description
The present invention relates to the S shape gate valve slip surface seal connection of concrete pump.
Available coagulation soil pump such as Fig. 2～shown in Figure 6,1 among Fig. 2,1 ' is concrete cylinder, 2,2, be concrete piston, 4 among Fig. 2～Fig. 5 is frames of concrete cylinder 1,1 ' side, the 7th, be installed in the wear-resisting slide plate on this frame 4.
Among Fig. 2～Fig. 55 is gate covers, the 3rd, and the articulated section of hinged gate cover 5 and frame 4, this hinged 3 has following structure.That is, frame 4 and quill shaft 21 are fixing by key 22, imbed the axle bush 23 in the gate cover 5 and the quill shaft 21 of frame 4 sides and slide by sliding surface a, b, and making gate cover 5 is the center swing with hinge center B.The 15th, the bolt and nut of anti-articulated section 3 sides of fixed frame 4 and gate cover 5.
The 6th, S shape pipe, the 8th, be installed in the wear-resisting slip ring that S shape is managed 6 front ends, 9, the 10th, the bearing of supporting S shape pipe 6, it makes S shape pipe 6 to overlap 5 in oscillation center line A at gate is that swing at the center, the 11st, and hydraulically powered pushing and pressing mechanism, the 12nd, drive unit, the 13rd, hopper, the 14th, drive spool, making the S shape mouth of pipe by drive unit 12 and drive spool 14 is the center swing with above-mentioned oscillation center line A, alternately is connected with concrete cylinder 1,1 '.
In the existing concrete pump of above-mentioned Fig. 2～shown in Figure 6, when concrete cylinder 1 is being connected by S shape pipe 6 with concrete delivery pipe (figure does not show), the concrete piston 2 of concrete cylinder 1 is advanced, the concrete that sucks in the concrete cylinder 1 is discharged by concrete delivery pipe through S shape pipe 6 from concrete cylinder 1, the concrete piston 2 ' of concrete cylinder 1 ' is retreated, concrete is sucked concrete cylinder 1 ' from hopper 13.
Switch S shape pipe 6 again, when concrete cylinder 1 ' is being connected by S shape pipe 6 with concrete delivery pipe, the concrete piston 2 ' of this concrete cylinder 1 ' is advanced, to suck concrete in the concrete cylinder 1 ' manages 6 and discharges by concrete delivery pipe from concrete cylinder 1 ' towards S shape, simultaneously, the concrete piston 2 of concrete cylinder 1 is retreated, concrete is sucked concrete cylinder 1 from hopper 13.
Above-mentioned concrete from concrete cylinder 1,1 ' when S shape pipe 6 is discharged, make the slide plate 7 of frame 4 sides and the slip ring 8 that S shape is managed 6 sides be tightly connected, overlap 5 internal leakages with the concrete that prevents to discharge to gate.And, after 8 abrasion of slide plate 7 and slip ring, make pushing and pressing mechanism 11 actions by hydraulic pressure, S shape pipe 6 is equivalent to the above-mentioned distance that has worn away to concrete cylinder 1 ', 1 ' direction pushing one, continue to prevent that the concrete of discharging from overlapping 5 internal leakages to gate.
Problem below in the existing coagulation pump of above-mentioned Fig. 2～shown in Figure 6, existing.That is, the S shape pipe 6 that alternately is connected with concrete cylinder 1,1 ' structurally, between swinging end (slip ring 8) center of its oscillation center line A and S shape pipe, must have the off-centre of least radius R.
Therefore, S shape pipe 6 is subjected to the power F that pressurization pressure P produces from two ends during accepting the force feed that concrete discharges from concrete cylinder.Strictly speaking, S shape is managed the pressure P of 6 inlet sides (slip ring 8 sides) and the pressure P of outlet side is inconsistent, the pressure of outlet side is low, the S shape that low degree is equivalent in the force feed is managed the 6 interior pressure losses, but because S shape pipe 6 is very short, in practicality, this pressure loss is little of negligible degree.
That is to say that it is balance haply that S shape is managed the power F that 6 two ends are subjected to.By pushing and pressing mechanism 11, slip ring 8 can be to the optimal power of slide plate 7 pushings.
But the moment M=F * R that is produced by the least radius R of S shape pipe 6 acts on the S shape pipe, makes the S shape pipe 6 that is supporting swingably by bearing 9,10 with respect to deflection angle α of oscillation center line A deflection.
When pressurization pressure P increases, the deflection angle α of this S shape pipe 6 just can not ignore, between slide plate 7 and slip ring 8, produce the gap, promptly use pushing and pressing mechanism to push this gap that to eliminate between slide plate 7 and the slip ring 8, thereby the slurries in the concrete overlap 5 internal leakages to gate, have reduced the force feed performance.
The present invention proposes in view of above-mentioned problems of the prior art, and its purpose is to provide a kind of can improve the force feed performance, improve the S shape gate valve slip surface seal connection in the concrete pump of slide plate and slip ring durability.
In order to achieve the above object, the present invention is installed in slide plate on the frame of concrete cylinder side, slip ring is installed on the S shape pipe, making this S shape pipe be bearing in gate swingably puts, above-mentioned frame is connected by the articulated section with above-mentioned gate cover, it is characterized in that, between above-mentioned concrete cylinder and above-mentioned gate valve, the oil hydraulic cylinder of the wrapping angle of adjusting above-mentioned slide plate and above-mentioned slip ring is housed.
The S shape gate valve slip surface seal connection such as the above-mentioned structure of concrete pump of the present invention, the action of control oil hydraulic cylinder is according to the deflection angle α of S shape pipe
2Wrapping angle α with slide plate and slip ring
1Be adjusted at zero degree between the several angle, make α
2=α
1, the surface of contact keeping parallelism of slide plate and slip ring presses with the pushing of hydraulic pressure pushing and pressing mechanism to combine, and slide plate and slip ring and pressurization pressure irrespectively are tightly connected, thereby prevents that cement slurry in the concrete is to the gate valve internal leakage.
Below with reference to figure, embodiments of the invention are described.
Fig. 1 is an embodiment's of S shape gate valve slip surface seal connection of a concrete pump of the present invention profile diagram;
Fig. 2 is the profile diagram of existing concrete pump;
Fig. 3 is the profile diagram of the articulated section of the frame of existing concrete pump and gate valve;
Fig. 4 is X among Fig. 3-X line cross-section profile;
Fig. 5 is the exploded side figure of the frame side articulated section of expression existing concrete pump;
Fig. 6 is the exploded side figure of the gate valve side articulated section of expression existing concrete pump.
Among the figure, 1,1 '-concrete cylinder, 3-articulated section, 4-frame, 5-gate valve, 6-S shape pipe, 7-slide plate, 8-slip ring, 16-oil hydraulic cylinder, α
1The wrapping angle of-slide plate 7 and slip ring 8.
Below, the S shape gate valve slip surface seal connection of concrete pump of the present invention is described with embodiment shown in Figure 1.1,1 ' is concrete cylinder, and 2,2 ' is concrete piston, the 4th, and the frame of concrete cylinder 1,1 ' side, the 7th, be installed in the wear-resisting slide plate on this frame 4.
The 5th, the gate cover, the 3rd, the articulated section of hinged this gate cover 5 and above-mentioned frame 4, the structure of this articulated section 3 is identical with Fig. 3～Fig. 6.
The 6th, S shape pipe, the 8th, be installed in the wear-resisting slip ring that this S shape is managed 6 front ends, 9, the 10th, support the bearing of this S shape pipe 6, it can overlap 5 in oscillation center line A this S shape pipe 6 at gate is that swing at the center, the 11st, and hydraulically powered pushing and pressing mechanism, the 12nd, drive unit, the 13rd, hopper, the 14th, drive spool makes that by drive unit 12 and drive spool 14 S shape pipe 6 is the center swing with above-mentioned oscillation center line, alternately is connected with concrete cylinder 1,1 '.
1a is the carriage of above-mentioned concrete cylinder 1,1 ' side, and 5a is the carriage that above-mentioned gate overlaps 5 sides, the 16th, regulate 8 oil hydraulic cylinders of above-mentioned slide plate 7 and above-mentioned slip ring 8 contact angles, and this oil hydraulic cylinder 16 is contained between above-mentioned carriage 1a, the 5a.
Below, specifically describe the action of the S shape gate valve slip surface seal connection of concrete pump shown in Figure 1.
Moment M=F * R that the least radius R of S shape pipe 6 produces acts on the S shape pipe 6, and the S shape that is bearing in swingably on the bearing 9,10 manages 6 with respect to deflection angle α of oscillation center line A deflection
2When pressurization pressure increases, the deflection angle α of this S shape pipe 6
2Very important, between slide plate 7 and slip ring 8, produce the gap, promptly use the pushing and pressing mechanism pushing, can not eliminate the gap between slide plate 7 and the slide plate ring 8.
At this moment, the action of control oil hydraulic cylinder 16 is according to the deflection angle α of S shape pipe 6
2, with the wrapping angle α between slide plate 7 and the slip ring 8
1Be adjusted in zero degree to (with reference to regulating surplus) between the several angle, make α
2=α
1, the surface of contact keeping parallelism of slide plate 7 and slip ring 8 in conjunction with the pushing effect of hydraulic pressure pushing and pressing mechanism 11, makes slide plate 7 and slip ring 8 irrespectively be tightly connected with pressurization pressure P, thereby can prevent that the cement slurry in the concrete from overlapping 5 internal leakages to gate.
In addition, be classified to change the stroke of oil hydraulic cylinder 16, also can keep above-mentioned state with manual mode.In the above-described embodiments, be slide plate 7 and slip ring 8 to be tightly connected by a side of operating slip ring 8, also can operate a side of slide plate 7, slide plate 7 and slip ring 8 are connected airtight.
The S shape gate valve slip surface seal connection of concrete pump of the present invention as previously mentioned, is the action by the control oil hydraulic cylinder, according to the deflection angle α of S shape pipe 6
2, with the wrapping angle α of slide plate and slip ring
1Be adjusted in zero degree between the several angle, make the surface of contact keeping parallelism of slide plate 7 and slip ring 8, pushing effect in conjunction with the hydraulic pressure pushing and pressing mechanism, slide plate and slip ring are tightly connected and irrelevant with pressurization pressure, so just can prevent that the cement slurry in the concrete from overlapping internal leakage to lock, thereby can improve the force feed performance, improve slide plate and slip ring durability.
Claims (3)
1. the S shape gate valve slip surface seal connection of a concrete pump, slide plate is installed on the frame of concrete cylinder side, slip ring is installed on the S shape pipe, and this S shape pipe is bearing in gate swingably and puts, and above-mentioned frame is connected by the articulated section with above-mentioned gate cover; It is characterized in that, above-mentioned concrete cylinder 1,1 ' and above-mentioned gate cover 5 between, the wrapping angle α that regulates above-mentioned slide plate 7 and above-mentioned slip ring 8 is housed
1Oil hydraulic cylinder 16.
2. the S shape gate valve slip surface seal connection of concrete pump as claimed in claim 1, it is characterized in that, on above-mentioned concrete cylinder pressure 1,1 ' carriage 1a is installed, on above-mentioned gate cover 5 carriage 5a is installed, above-mentioned oil hydraulic cylinder 16 is contained between two carriage 1a, the 5a.
3. the S shape gate valve slip surface seal connection of the concrete pump described in claim 1 or 2 is characterized in that, the stroke of above-mentioned oil hydraulic cylinder 16 can have level ground to change.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP183852/92 | 1992-07-10 | ||
| JP18385292A JP3145488B2 (en) | 1992-07-10 | 1992-07-10 | Concrete pump S type gate valve sliding surface close contact device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1086879A CN1086879A (en) | 1994-05-18 |
| CN1032710C true CN1032710C (en) | 1996-09-04 |
Family
ID=16142960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93108159A Expired - Fee Related CN1032710C (en) | 1992-07-10 | 1993-07-09 | Unit for sealing of relative sliding surface of S shaped sluice valve of concrete pump |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP3145488B2 (en) |
| KR (1) | KR0146035B1 (en) |
| CN (1) | CN1032710C (en) |
| AU (1) | AU644984B1 (en) |
| DE (1) | DE4322805C2 (en) |
| TW (1) | TW224503B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218207B (en) * | 2017-08-09 | 2020-11-06 | 马鞍山市翔宇机械自动化科技有限公司 | Concrete pump truck hopper pumping cement sealing device |
| CN110735950B (en) * | 2019-11-20 | 2024-02-27 | 徐州中矿大贝克福尔科技股份有限公司 | Device and method for switching underground continuous paste filling of coal mine between two different pipelines |
| CN111055378B (en) * | 2019-12-31 | 2021-02-26 | 湘潭大学 | Concrete intelligent pumping system and operation method |
| CN113445773B (en) * | 2020-03-27 | 2022-12-02 | 广东博鼎建筑科技有限公司 | Gate valve control mechanism, plugging head, hole plugging device and hole plugging robot |
| CN114790826B (en) * | 2021-01-25 | 2023-09-12 | 三一汽车制造有限公司 | Gate valve pumping mechanism and concrete conveying equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2841514A1 (en) * | 1978-09-23 | 1980-04-24 | Italiana Forme Acciaio | Changeover swivel valve for twin-cylinder concrete pump - uses hydraulic cylinder for lifting from sealing contact with pump cylinder seat during changeover movement |
| DE3153268C2 (en) * | 1981-01-31 | 1988-01-28 | Friedrich Wilh. Schwing Gmbh, 4690 Herne, De | Two-cylinder viscous-material pump, preferably concrete pump |
| DE3304985A1 (en) * | 1983-02-12 | 1984-08-23 | Rudolf Ing. Riker (grad.), 8940 Memmingen | PUMP UNIT FOR HEAVY-FLOWING SUBSTANCES, ABOUT CONCRETE |
| JPS6350464Y2 (en) * | 1986-09-03 | 1988-12-26 |
-
1992
- 1992-07-10 JP JP18385292A patent/JP3145488B2/en not_active Expired - Fee Related
-
1993
- 1993-06-17 TW TW082104851A patent/TW224503B/zh active
- 1993-07-02 AU AU41728/93A patent/AU644984B1/en not_active Ceased
- 1993-07-08 DE DE4322805A patent/DE4322805C2/en not_active Expired - Fee Related
- 1993-07-09 CN CN93108159A patent/CN1032710C/en not_active Expired - Fee Related
- 1993-07-10 KR KR1019930012989A patent/KR0146035B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE4322805A1 (en) | 1994-01-13 |
| TW224503B (en) | 1994-06-01 |
| KR940005366A (en) | 1994-03-21 |
| CN1086879A (en) | 1994-05-18 |
| AU644984B1 (en) | 1993-12-23 |
| KR0146035B1 (en) | 1998-08-17 |
| DE4322805C2 (en) | 1997-05-28 |
| JPH0626450A (en) | 1994-02-01 |
| JP3145488B2 (en) | 2001-03-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| C10 | Entry into substantive examination | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |