CN105298128A - Transition sleeve and pumping device with same - Google Patents
Transition sleeve and pumping device with same Download PDFInfo
- Publication number
- CN105298128A CN105298128A CN201410327869.7A CN201410327869A CN105298128A CN 105298128 A CN105298128 A CN 105298128A CN 201410327869 A CN201410327869 A CN 201410327869A CN 105298128 A CN105298128 A CN 105298128A
- Authority
- CN
- China
- Prior art keywords
- spacer shell
- recess
- shell body
- blind hole
- size
- 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.)
- Granted
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 10
- 230000007704 transition Effects 0.000 title abstract 6
- 125000006850 spacer group Chemical group 0.000 claims description 107
- 239000000945 filler Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000008859 change Effects 0.000 description 5
- 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
- 238000005299 abrasion Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 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
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring 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 spacer shell and the pumping installations with it.
Background technology
In the prior art, pumping installations, the workpiece that such as the concrete pump set comprises as shown in Figure 1.It comprises oil pump 1 and 16, valve group 2 and 15, a pair oil cylinder 3 and 4, a pair concrete cylinder 6 and 7, a pair concrete piston 5 and 8, hopper 11, S valve 12, distribution oil cylinder 13 and 14 and accumulator 17.Wherein, the bottom of hopper 11 and concrete cylinder 6 and 7 joint are provided with cheater plate 10 and spacer shell 9.The working condition of above-mentioned the concrete pump set is as follows:
In oil pump 1, pressure oil is driven the piston alternate reciprocating motion in oil cylinder 3 and 4 by the control of valve group 2, and concrete cylinder 6 is consistent with piston movement situation in oil cylinder 3 and 4 with 5 with the concrete piston 8 in 7.S valve 12 is by concrete cylinder 6 and 7 and carrier pipe (S valve outlet port place, not shown) connect, concrete in this cylinder is released and is entered in spacer shell 9, cheater plate 10, S valve 12 in carrier pipe again and be poured into operating position by concrete piston 8 or 5.Another concrete cylinder then draws concrete from hopper 11, distributes oil cylinder 13 and 14 and drives S valve 12 to swing by power transmission shaft.By the coordination of S valve 12 with concrete cylinder 6 and 7, realize concrete approximate continuous flowing in conveyance conduit.
As shown in Figures 2 and 3, spacer shell 9 and cheater plate 10 are assemblied in the bottom of hopper 11, play the effect connecting concrete cylinder 6 and 7 and S valve 12, there is certain step L between spacer shell 9 and concrete cylinder simultaneously, that is: spacer shell internal diameter d1 is less than concrete cylinder internal diameter B, L=B-d1, general L=1 ~ 4mm.
As shown in Figure 4, in the process used, step L is constantly worn, then need when step L is zero to change spacer shell 9, otherwise as step L < 0, when concrete piston 5 sucks concrete from hopper 11 concrete cylinder inwall chromium coating 18 will concrete impact extruded, knock under come off, the concrete cylinder life-span will reduce greatly.Concrete cylinder adopts chrome-plated process, and application life is longer and expensive, does not need frequent replacing.Comparatively speaking, spacer shell, as consumable accessory, inexpensively, needs often to change.
In prior art; when carrying out will measuring spacer shell 9 internal diameter size (step is high) when spacer shell 9 inefficacy judges; staff needs to enter in hopper 11 and carries out hand dipping; make measurement operation very inconvenient owing to being provided with stirring vane in hopper 11 and distributing S valve 12; and there is certain danger (under stopped status; do not carry out pressure discharge operations as distributed oil cylinder 13 or 14, oil cylinder slips cylinder and is swung by promotion S valve 12, will cause staff injured).Therefore, generation staff does not sometimes enter in hopper and carries out measurement inspection, only estimates judgement by rule of thumb, produces wrongheaded phenomenon.
Summary of the invention
The present invention aims to provide a kind of spacer shell and has its pumping installations, judges the problem of inconvenient operation to solve spacer shell inefficacy in prior art.
To achieve these goals, according to an aspect of the present invention, provide a kind of spacer shell, comprise spacer shell body, spacer shell also comprises inefficacy caution structure, and inefficacy caution structure comprises the recess in the circumferential exterior surface being formed in spacer shell body.
Further, recess is blind hole or groove.
Further, the size of the axis direction along spacer shell body of recess meets the following conditions: 8cm≤d≤H, and wherein, d is the size of the axis direction along spacer shell body of recess, and H is the size of spacer shell body along its axis direction.
Further, the size of the radial direction along spacer shell body of recess meets the following conditions: h >=(D-B)/2, and wherein, h is the size of the radial direction along spacer shell body of recess, and D is the external diameter of spacer shell body, and B is the internal diameter of concrete cylinder.
Further, recess is multiple, and multiple recess is uniformly distributed along the circumference of spacer shell body and is positioned on same circle.
Further, recess is blind hole, and blind hole is multiple, and multiple blind hole is distributed on spaced at least two circles, and each circle is furnished with multiple blind hole.
Further, inefficacy caution structure also comprises the warning filler be arranged in recess.
Further, the material warning filler is nylon or plastics.
According to another aspect of the present invention, provide a kind of pumping installations, comprise hopper and be arranged on the spacer shell of bottom of hopper, spacer shell is above-mentioned spacer shell.
Apply technical scheme of the present invention, the circumferential exterior surface of spacer shell body forms recess, the size of the radial direction along spacer shell body of recess reasonably can be set as required, the failure state of this size and spacer shell is matched.That is, this size should be configured to: to be fallen by the bottom abrasion of recess when the inwall of spacer shell body is worn, when can observe this recess from inner surface, represent that spacer shell lost efficacy, need to change at once.Like this, just can judge whether spacer shell lost efficacy accurately by means of only range estimation.Technical scheme of the present invention makes the inefficacy of spacer shell judge handling safety, quick and easy, can visual observation at any time perform.Meanwhile, the spacer shell that technical scheme of the present invention significantly improves detects the operability of observation technology, has stopped owing to observing inconvenient spacer shell lose efficacy and has caused concrete cylinder coating obscission, having had larger economic benefit.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the horizontal direction cross-sectional schematic of the concrete pump set of the prior art;
Fig. 2 shows the schematic top plan view of the concrete pump set of Fig. 1;
Fig. 3 shows the ledge structure schematic diagram of the spacer shell of the concrete pump set of Fig. 1;
The schematic diagram that the spacer shell chromium coating lost efficacy on the inwall of rear concrete cylinder that Fig. 4 shows the concrete pump set of Fig. 1 comes off;
Fig. 5 shows the elevational schematic of the concrete pump set of Fig. 1;
Fig. 6 shows the structural representation of the embodiment one according to spacer shell of the present invention;
Fig. 7 shows the cross-sectional schematic of the embodiment two according to spacer shell of the present invention;
Fig. 8 shows the schematic diagram after the spacer shell assembling of Fig. 7;
Fig. 9 shows the schematic diagram during spacer shell inefficacy of Fig. 8;
Figure 10 shows the cross-sectional schematic of the embodiment three according to spacer shell of the present invention; And
Figure 11 shows the cross-sectional schematic of the embodiment four according to spacer shell of the present invention.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 6, the spacer shell of embodiment one comprises spacer shell body 100 and inefficacy caution structure, and inefficacy caution structure comprises the recess in the circumferential exterior surface being formed in spacer shell body 100.
The technical scheme of Application Example one, the circumferential exterior surface of spacer shell body 100 forms recess, reasonably can arrange the size of the radial direction along spacer shell body 100 of recess as required, the failure state of this size and spacer shell is matched.That is, this size should be configured to: to be fallen by the bottom abrasion of recess when the inwall of spacer shell body 100 is worn, when can observe this recess from inner surface (as shown in Figure 9), represent that spacer shell lost efficacy, need to change at once.Like this, just can judge whether spacer shell lost efficacy accurately by means of only range estimation.The technical scheme of embodiment one makes the inefficacy of spacer shell judge visual observation at any time to perform handling safety, quick and easy.Meanwhile, the spacer shell that the technical scheme of the present embodiment significantly improves detects the operability of observation technology, has stopped owing to observing inconvenient spacer shell lose efficacy and has caused concrete cylinder coating obscission, having had larger economic benefit.
In embodiment one, recess is blind hole 210, and as shown in Figure 6, the quantity of blind hole 210 is six, and the circumferential exterior surface that six blind holes 210 are evenly arranged in spacer shell body 100 is positioned on same circle.Said structure makes spacer shell in use uniform force, and multiple blind hole 210 can improve the accuracy of warning of losing efficacy, if when wherein can observe any one blind hole 210 from the inner surface of spacer shell body 100, represent that spacer shell lost efficacy, need to change at once.Certainly, as one skilled in the art will appreciate that the quantity of blind hole is not limited to six, can arrange as required.
In prior art, the mode of the dismounting of spacer shell is also very inconvenient, is generally and uses cutter axially to be cut off by spacer shell, and then pounded out by spacer shell, and this mode needs to use burning torch and gas cylinder.Operating space is limited, and likely cuts bad concrete cylinder and hopper in operation.
Multiple blind holes 210 in embodiment one are by solving the problem of above-mentioned dismounting inconvenience.Particularly, after spacer shell lost efficacy, blind hole 210 revealed, and used tripod to draw horse (standard lift and hydraulic tool) to dismantle during replacing.Specifically will the wedge angle of horse be drawn to insert in 3 holes wherein, withstanding piston can pull out spacer shell from installing hole.Make the dismounting of spacer shell convenient, quick, more time saving and energy saving like this, the damage of concrete cylinder can't be caused.
In embodiment one, the size of the axis direction along spacer shell body 100 of recess meets the following conditions:
8cm≤d≤H, wherein, d is the size of the axis direction along spacer shell body 100 of recess, and H is the size of spacer shell body 100 along its axis direction.Above-mentioned size is convenient to visual observations on the one hand, and when being convenient on the other hand dismantle, tripod draws the installation of horse.
In embodiment one, the size of the radial direction along spacer shell body 100 of recess meets the following conditions:
H=(D-B)/2, wherein, h is the size of the radial direction along spacer shell body 100 of recess, and D is the external diameter of spacer shell body 100, and B is the internal diameter of concrete cylinder.Above-mentioned Assurance of Size spacer shell blind hole 210 when losing efficacy just can reveal, and is convenient to the warning function of inefficacy.Certainly, the size of h also slightly larger than (D-B)/2, can play warning function so in advance.
As shown in Figure 7 and Figure 8, in embodiment two, be with the difference of embodiment one, the inefficacy caution structure of embodiment two also comprises the warning filler 300 be arranged in recess, and does not have filler in the recess of embodiment one.Preferably, warn filler 300 and adopt eye-catching color.When the inwall of spacer shell body 100 is worn the bottom abrasion of recess fallen, when can observe this recess from inner surface, this warning filler 300 reveals (as shown in Figure 9), and represent that spacer shell lost efficacy, above-mentioned warning filler 300 more directly can play warning function.Preferably, the material warning filler 300 is nylon or plastics.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 spacer shell of embodiment three is blind hole 210, and blind hole 210 is multiple.In embodiment three, be with the difference of embodiment one, multiple blind hole 210 is distributed on two circles, and two circles are arranged along the axis direction interval of spacer shell body 100, each circle are furnished with multiple blind hole 210.Certainly, in not shown embodiment, multiple blind hole can be distributed on the circle of more than three.
As shown in figure 11, the spacer shell of embodiment four and the difference of embodiment one are, recess is groove 220.As shown in figure 11, one end of this groove 220 is blind end, and the end face that the other end extends to spacer shell body 100 forms open end.In embodiment four, for the ease of the dismounting of spacer shell, during assembling, the open end of groove 220 is towards concrete piston.
Present invention also provides a kind of pumping installations, comprise hopper according to the pumping installations of the application and be arranged on the spacer shell of bottom of hopper, spacer shell is above-mentioned spacer shell.Above-mentioned spacer shell is adopted to make to lose efficacy and judge handling safety, quick and easy, can the execution of visual observation at any time.Meanwhile, the spacer shell that the technical scheme of the present embodiment significantly improves detects the operability of observation technology, has stopped owing to observing inconvenient spacer shell lose efficacy and has caused concrete cylinder coating obscission, having had larger economic benefit.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a spacer shell, comprise spacer shell body (100), it is characterized in that, described spacer shell also comprises inefficacy caution structure, and described inefficacy caution structure comprises the recess in the circumferential exterior surface being formed in described spacer shell body (100).
2. spacer shell according to claim 1, is characterized in that, described recess is blind hole (210) or groove (220).
3. spacer shell according to claim 1, is characterized in that, the size of the axis direction along described spacer shell body (100) of described recess meets the following conditions:
8cm≤d≤H，
Wherein, described d is the size of the axis direction along described spacer shell body (100) of described recess, and described H is the size of described spacer shell body (100) along its axis direction.
4. spacer shell according to claim 1, is characterized in that, the size of the radial direction along described spacer shell body (100) of described recess meets the following conditions:
h≥(D-B)/2，
Wherein, described h is the size of the radial direction along described spacer shell body (100) of described recess, and described D is the external diameter of described spacer shell body (100), and described B is the internal diameter of concrete cylinder.
5. spacer shell according to claim 1, is characterized in that, described recess is multiple, and described multiple recess is uniformly distributed along the circumference of described spacer shell body (100) and is positioned on same circle.
6. spacer shell according to claim 1, it is characterized in that, described recess is blind hole (210), described blind hole (210) is for multiple, described multiple blind hole (210) is distributed on spaced at least two circles, and each described circle is furnished with multiple described blind hole (210).
7. spacer shell according to claim 1, is characterized in that, described inefficacy caution structure also comprises the warning filler (300) be arranged in described recess.
8. spacer shell according to claim 7, is characterized in that, the material of described warning filler (300) is nylon or plastics.
9. a pumping installations, comprises hopper and is arranged on the spacer shell of bottom of hopper, it is characterized in that, the spacer shell of described spacer shell according to any one of claim 1 to 8.
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 |
|---|---|
| CN105298128A true CN105298128A (en) | 2016-02-03 |
| CN105298128B CN105298128B (en) | 2017-10-03 |
Family
ID=55195877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410327869.7A Active CN105298128B (en) | 2014-07-10 | 2014-07-10 | Transition sleeve and pumping device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105298128B (en) |
Citations (5)
| 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 |
| US20030215344A1 (en) * | 2002-05-15 | 2003-11-20 | Condon Gary J. | Ring for concrete pump |
| 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 | A transition sleeve for flange connection of concrete pump |
-
2014
- 2014-07-10 CN CN201410327869.7A patent/CN105298128B/en active Active
Patent Citations (5)
| 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. |
| US20030215344A1 (en) * | 2002-05-15 | 2003-11-20 | Condon Gary J. | Ring for concrete pump |
| 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 | A transition sleeve for flange connection of concrete pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105298128B (en) | 2017-10-03 |
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