CN105298128B - Transition sleeve and pumping device with same - Google Patents
Transition sleeve and pumping device with same Download PDFInfo
- Publication number
- CN105298128B CN105298128B CN201410327869.7A CN201410327869A CN105298128B CN 105298128 B CN105298128 B CN 105298128B CN 201410327869 A CN201410327869 A CN 201410327869A CN 105298128 B CN105298128 B CN 105298128B
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- China
- Prior art keywords
- transition sleeve
- recess
- size
- blind hole
- sleeve body
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- 230000007704 transition Effects 0.000 title claims abstract description 109
- 238000005086 pumping Methods 0.000 title claims abstract description 10
- 239000000945 filler Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 230000008859 change Effects 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The invention provides a transition sleeve and a pumping device with the same, wherein the transition sleeve comprises a transition sleeve body (100) and a failure warning structure, and the failure warning structure comprises a concave part formed on the circumferential outer surface of the transition sleeve body (100). The technical scheme of the invention effectively solves the problem of inconvenient operation for judging the failure of the transition sleeve in the prior art.
Description
Technical field
The present invention relates to technical field of engineering machinery, in particular to a kind of transition sleeve and the pumping installations with it.
Background technology
In the prior art, the workpiece that pumping installations, such as the concrete pump set include is as shown in Figure 1.It is wrapped
Include oil pump 1 and 16, valve group 2 and 15, a pair of oil cylinders 3 and 4, a pair of concrete cylinders 6 and 7, a pair of concrete pistons 5 and 8, hoppers
11st, S valves 12, distribution oil cylinder 13 and 14 and accumulator 17.Wherein, the bottom of hopper 11 is set with the joint of concrete cylinder 6 and 7
There are cheater plate 10 and transition sleeve 9.The working condition of above-mentioned the concrete pump set is as follows:
Pressure oil is by the piston alternate reciprocating motion in the control driving oil cylinder 3 and 4 of valve group 2, concrete cylinder 6 in oil pump 1
It is consistent with piston movement situation in oil cylinder 3 and 4 with the concrete piston 8 and 5 in 7.S valves 12 are by one in concrete cylinder 6 and 7
Connected with delivery pipe (at S valve outlets, not shown in figure), concrete piston 8 or 5, which releases concrete in this cylinder, passes through transition sleeve
9th, entered back into cheater plate 10, S valves 12 in delivery pipe and be poured into operating position.Another concrete cylinder is then from hopper 11
Middle absorption concrete, distribution oil cylinder 13 and 14 drives S valves 12 to swing by power transmission shaft.By S valves 12 and concrete cylinder 6 and
7 coordination, realizes that concrete approximate continuous in conveyance conduit flows.
As shown in Figures 2 and 3, transition sleeve 9 is assemblied in the bottom of hopper 11 with cheater plate 10, plays connection concrete cylinder 6
With 7 and the effects of S valves 12, while there is certain step L between transition sleeve 9 and concrete cylinder, i.e.,:Transition sleeve internal diameter d1 is less than
Concrete cylinder internal diameter B, L=B-d1, general L=1~4mm.
As shown in figure 4, during use, step L is constantly worn, then need to change transition when step L is zero
Set 9, otherwise as step L < 0, concrete cylinder inwall chromium coating 18 will when concrete piston 5 sucks concrete from hopper 11
Come off under impact extruded, percussion in concrete, the concrete cylinder life-span will substantially reduce.Concrete cylinder uses chrome-plated process, makes
With lasting a long time and expensive, it is not necessary to often change.Comparatively, transition sleeve is as consumable accessory, inexpensively, it is necessary to through
Often change.
In the prior art, when carrying out measuring the internal diameter size of transition sleeve 9 (step is high) when the failure of transition sleeve 9 judges, work
Need to carry out hand dipping into material bin 11 as personnel, cause due to being provided with stirring vane and distribution S valves 12 in hopper 11
Measurement operation is very inconvenient, and there is certain danger (under stopped status, as distribution oil cylinder 13 or 14 does not carry out pressure release
Operation, oil cylinder, which slips cylinder, will promote S valves 12 to swing, and staff will be caused injured).Therefore, staff is produced sometimes not enter
Inspection is measured in hopper, only range estimation judges by rule of thumb, produce wrongheaded phenomenon.
The content of the invention
The present invention is intended to provide a kind of transition sleeve and the pumping installations with it, are failed with solving transition sleeve in the prior art
The problem of judging inconvenient operation.
To achieve these goals, according to an aspect of the invention, there is provided a kind of transition sleeve, including transition sleeve sheet
Body, transition sleeve also includes failure caution structure, and failure caution structure includes being formed in the circumferential exterior surface of transition sleeve body
Recess.
Further, recess is blind hole or groove.
Further, the size of the axis direction along transition sleeve body of recess meets following condition:8cm≤d≤H, its
In, d is the size of the axis direction along transition sleeve body of recess, and H is size of the transition sleeve body along its axis direction.
Further, the size of the radial direction along transition sleeve body of recess meets following condition:H >=(D-B)/2, its
In, h is the size of the radial direction along transition sleeve body of recess, and D is the external diameter of transition sleeve body, and B is interior for concrete cylinder
Footpath.
Further, recess is multiple, and circumference of multiple recesses along transition sleeve body is uniformly distributed and be located on same circle.
Further, recess is blind hole, and blind hole is multiple, and multiple blind holes are distributed on spaced at least two circle,
And it is disposed with multiple blind holes on each justifying.
Further, failure caution structure also includes the warning filler being arranged in recess.
Further, the material of warning filler is nylon or plastics.
According to another aspect of the present invention there is provided a kind of pumping installations, including hopper and the bottom installed in hopper
Transition sleeve, transition sleeve be above-mentioned transition sleeve.
Apply the technical scheme of the present invention, recess is formed in the circumferential exterior surface of transition sleeve body, can be as needed
The size of the radial direction along transition sleeve body of rational setting recess so that the size and the failure state phase of transition sleeve
Match somebody with somebody.That is, the size should be configured to:When the inwall of transition sleeve body is worn to fall the bottom abrasion of recess, from interior
When surface is able to observe that the recess, represent that transition sleeve has failed, it is necessary to change at once.So, only just can by range estimation
Accurately judge whether transition sleeve fails.Technical scheme causes the failure of transition sleeve to judge safe operation, quick, side
Just, can the execution of visual observation at any time.Meanwhile, the transition sleeve detection observation technology that technical scheme greatly improved
Operability, has prevented to cause concrete cylinder coating obscission due to the inconvenient transition sleeve failure of observation, with larger warp
Ji benefit.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the horizontal direction schematic cross-sectional view of the concrete pump set of the prior art;
Fig. 2 shows the schematic top plan view of Fig. 1 the concrete pump set;
Fig. 3 shows the ledge structure schematic diagram of the transition sleeve of Fig. 1 the concrete pump set;
Fig. 4 show Fig. 1 the concrete pump set transition sleeve failure after concrete cylinder inwall on chromium coating take off
The schematic diagram fallen;
Fig. 5 shows the elevational schematic of Fig. 1 the concrete pump set;
Fig. 6 shows the structural representation of the embodiment one of the transition sleeve according to the present invention;
Fig. 7 shows the schematic cross-sectional view of the embodiment two of the transition sleeve according to the present invention;
Fig. 8 shows the schematic diagram after Fig. 7 transition sleeve assembling;
Fig. 9 shows schematic diagram during Fig. 8 transition sleeve failure;
Figure 10 shows the schematic cross-sectional view of the embodiment three of the transition sleeve according to the present invention;And
Figure 11 shows the schematic cross-sectional view of the example IV of the transition sleeve according to the present invention.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in fig. 6, the transition sleeve of embodiment one includes transition sleeve body 100 and failure caution structure, failure warning knot
Structure includes the recess formed in the circumferential exterior surface of transition sleeve body 100.
The technical scheme of Application Example one, recess is formed in the circumferential exterior surface of transition sleeve body 100, can basis
Need the size of the rational radial direction along transition sleeve body 100 that recess is set so that the failure of the size and transition sleeve
State matches.That is, the size should be configured to:When the inwall of transition sleeve body 100 is worn the bottom of recess
Wear away, when being able to observe that the recess from inner surface (as shown in Figure 9), represent that transition sleeve has failed, it is necessary to change at once.
So, only just it can accurately judge whether transition sleeve fails by range estimation.The technical scheme of embodiment one causes transition sleeve
Failure judge safe operation, it is quick and easy, can visual observation at any time execution.Meanwhile, the technical scheme of the present embodiment is significantly carried
High transition sleeve detects the operability of observation technology, has prevented to cause concrete cylinder due to the inconvenient transition sleeve failure of observation
Coating obscission, with larger economic benefit.
In embodiment one, recess is blind hole 210, as shown in fig. 6, the quantity of blind hole 210 is six, six blind holes 210
It is evenly arranged in the circumferential exterior surface of transition sleeve body 100 and on same circle.Said structure causes transition sleeve using
During uniform force, and multiple blind holes 210 can improve the accuracy of failure warning, if wherein from transition sleeve body
When being able to observe that any one blind hole 210 on 100 inner surface, represent that transition sleeve has failed, it is necessary to change at once.When
So, as one skilled in the art will appreciate that the quantity of blind hole is not limited to six, it can be configured as needed.
In the prior art, the mode of the dismounting of transition sleeve is also very inconvenient, generally using cutter that transition sleeve is axial
Cut off, then again knock out transition sleeve, this mode needs to use burning torch and gas cylinder.Operating space is limited, and in operation
During be possible to cut bad concrete cylinder and hopper.
The problem of dismounting above-mentioned by can solve the problem that of multiple blind holes 210 in embodiment one is inconvenient.Specifically, transition is worked as
After set failure, blind hole 210 is revealed, and draws horse (standard lift and hydraulic tool) to be dismantled using three pin during replacing.Specifically
In 3 holes that the wedge angle for drawing horse is inserted, withstanding piston can pull out transition sleeve from mounting hole.So caused
The dismounting for crossing set is more convenient, fast, more time saving and energy saving, can't cause the damage of concrete cylinder.
In embodiment one, the size of the axis direction along transition sleeve body 100 of recess meets following condition:
8cm≤d≤H, wherein, d is the size of the axis direction along transition sleeve body 100 of recess, and H is transition sleeve body
100 along its axis direction size.On the one hand above-mentioned size is easy to visual observations, and three pin draw horse when on the other hand easy to disassemble
Install.
In embodiment one, the size of the radial direction along transition sleeve body 100 of recess meets following condition:
H=(D-B)/2, wherein, h is the size of the radial direction along transition sleeve body 100 of recess, and D is transition sleeve sheet
The external diameter of body 100, B is the internal diameter of concrete cylinder.Above-mentioned Assurance of Size transition sleeve blind hole 210 in failure just can be manifested
Come, be easy to the warning function of failure.Certainly, h size can also be slightly larger than (D-B)/2, and warning can be so played in advance and is made
With.
As shown in Figure 7 and Figure 8, in embodiment two, the difference with embodiment one is, the failure warning knot of embodiment two
Structure also includes the warning filler 300 being arranged in recess, and does not have filler in the recess of embodiment one.Preferably, warn
Filler 300 uses eye-catching color.When the inwall of transition sleeve body 100 is worn to fall the bottom abrasion of recess, from interior table
When face is able to observe that the recess, the warning filler 300 is revealed (as shown in Figure 9), represents that transition sleeve has failed, on
Warning function can more directly be played by stating warning filler 300.Preferably, the material of warning filler 300 is nylon or modeling
Material.In embodiment two, recess is blind hole, and filler 300 is filled in blind hole, and the quantity of blind hole is also six.
As shown in Figure 10, the recess of the transition sleeve of embodiment three is blind hole 210, and blind hole 210 is multiple.In embodiment three
In, the difference with embodiment one is, multiple blind holes 210 are distributed on two circles, axis of two circles along transition sleeve body 100
Direction is arranged at intervals, and multiple blind holes 210 are disposed with each circle.Certainly, in the embodiment not shown in figure, multiple blind holes can
To be distributed on the circle of more than three.
As shown in figure 11, the transition sleeve of example IV and the difference of embodiment one are, recess is groove 220.Such as Figure 11
Shown, one end of the groove 220 is blind end, and the other end extends on the end face of transition sleeve body 100 and forms open end.In reality
Apply in example four, for the ease of the dismounting of transition sleeve, the open end of groove 220 is towards concrete piston during assembling.
Present invention also provides a kind of pumping installations, hopper is included and installed in hopper according to the pumping installations of the application
The transition sleeve of bottom, transition sleeve is above-mentioned transition sleeve.Failure is caused to judge safe operation, quick, side using above-mentioned transition sleeve
Just, can the execution of visual observation at any time.Meanwhile, the transition sleeve that the technical scheme of the present embodiment greatly improved detects observation technology
Operability, prevented to cause concrete cylinder coating obscission due to the inconvenient transition sleeve failure of observation, with larger
Economic benefit.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (8)
1. a kind of transition sleeve, including transition sleeve body (100), it is characterised in that the transition sleeve also includes failure caution structure,
The failure caution structure includes the recess formed in the circumferential exterior surface of the transition sleeve body (100), the recess
Following condition is met along the size of the radial direction of the transition sleeve body (100):
H >=(D-B)/2,
Wherein, the h is the size of the radial direction along the transition sleeve body (100) of the recess, and the D is the mistake
The external diameter of set body (100) is crossed, the B is the internal diameter of concrete cylinder.
2. transition sleeve according to claim 1, it is characterised in that the recess is blind hole (210) or groove (220).
3. transition sleeve according to claim 1, it is characterised in that the recess along the transition sleeve body (100)
The size of axis direction meets following condition:
8cm≤d≤H,
Wherein, the d is the size of the axis direction along the transition sleeve body (100) of the recess, and the H is the mistake
Cross size of the set body (100) along its axis direction.
4. transition sleeve according to claim 1, it is characterised in that the recess is multiple, and the multiple recess is described in
The circumference of transition sleeve body (100) is uniformly distributed and is located on same circle.
5. transition sleeve according to claim 1, it is characterised in that the recess is blind hole (210), the blind hole (210)
To be multiple, the multiple blind hole (210) is distributed on spaced at least two circle, and is disposed with each circle many
The individual blind hole (210).
6. transition sleeve according to claim 1, it is characterised in that the failure caution structure is also described recessed including being arranged on
Warning filler (300) in portion.
7. transition sleeve according to claim 6, it is characterised in that the material of the warning filler (300) be nylon or
Plastics.
8. a kind of pumping installations, including hopper and the transition sleeve installed in the bottom of hopper, it is characterised in that the transition sleeve is
Transition sleeve any one of claim 1 to 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410327869.7A CN105298128B (en) | 2014-07-10 | 2014-07-10 | Transition sleeve and pumping device with same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410327869.7A CN105298128B (en) | 2014-07-10 | 2014-07-10 | Transition sleeve and pumping device with same |
Publications (2)
Publication Number | Publication Date |
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CN105298128A CN105298128A (en) | 2016-02-03 |
CN105298128B true CN105298128B (en) | 2017-10-03 |
Family
ID=55195877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201410327869.7A Active CN105298128B (en) | 2014-07-10 | 2014-07-10 | Transition sleeve and pumping device with same |
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CN (1) | CN105298128B (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2709635A1 (en) * | 1977-03-05 | 1978-09-07 | Schlecht Karl | Two cylinder viscous material pump pipe branch - has wearing plate opening centre distance equal to opening dia. |
SE435856B (en) * | 1976-07-21 | 1984-10-22 | Schwing Gmbh F | DOUBLE CYLINDER PUMP, Separate for Concrete Exhaust |
CN201354515Y (en) * | 2009-01-20 | 2009-12-02 | 徐州重型机械有限公司 | Concrete pump truck and connecting mechanism of conveying cylinder and hopper thereof |
CN201843772U (en) * | 2010-11-10 | 2011-05-25 | 飞翼股份有限公司 | Flange-connected transition sleeve of concrete pump |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6857861B2 (en) * | 2002-05-15 | 2005-02-22 | Kennametal Inc. | Ring for concrete pump |
-
2014
- 2014-07-10 CN CN201410327869.7A patent/CN105298128B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE435856B (en) * | 1976-07-21 | 1984-10-22 | Schwing Gmbh F | DOUBLE CYLINDER PUMP, Separate for Concrete Exhaust |
DE2709635A1 (en) * | 1977-03-05 | 1978-09-07 | Schlecht Karl | Two cylinder viscous material pump pipe branch - has wearing plate opening centre distance equal to opening dia. |
CN201354515Y (en) * | 2009-01-20 | 2009-12-02 | 徐州重型机械有限公司 | Concrete pump truck and connecting mechanism of conveying cylinder and hopper thereof |
CN201843772U (en) * | 2010-11-10 | 2011-05-25 | 飞翼股份有限公司 | Flange-connected transition sleeve of concrete pump |
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Publication number | Publication date |
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CN105298128A (en) | 2016-02-03 |
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