CN202521157U - Conveying pipe and concrete conveying machine - Google Patents
Conveying pipe and concrete conveying machine Download PDFInfo
- Publication number
- CN202521157U CN202521157U CN2012200702918U CN201220070291U CN202521157U CN 202521157 U CN202521157 U CN 202521157U CN 2012200702918 U CN2012200702918 U CN 2012200702918U CN 201220070291 U CN201220070291 U CN 201220070291U CN 202521157 U CN202521157 U CN 202521157U
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- Prior art keywords
- pipe
- ring
- flange
- composite pipe
- composite
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- 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
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Abstract
The utility model discloses a conveying pipe and a concrete conveying machine. The conveying pipe comprises a composite pipe (1), a wear resistant sleeve (3) and a flange (4), wherein the flange (4) is mounted at the pipe orifice of the composite pipe (1); the wear resistant sleeve (3) is arranged on the inner wall of the flange (4) and the outer side of the pipe orifice of the composite pipe (1); an inner pipe fixing structure for limiting an inner pipe of the composite pipe (1) is arranged on the inner wall of the flange (4); and the inner pipe fixing structure is arranged between the composite pipe (1) and the wear resistant sleeve (3). With the adoption of the conveying pipe and the concrete conveying machine, the inner pipe and an outer pipe of the composite pipe of the conveying pipe are prevented from dislocating.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of delivery pipe and concrete conveyer.
Background technique
Wear-resisting, the measuring body characteristic of outer tube of pipe in the composite pipe that pump concrete uses has, improved 2-3 doubly than pump concrete with mono-layer tube working life.At present, this composite pipe is widely used.
Because between the inner and outer pipes of composite pipe is non-metallurgy combination, combination force is limited, so inner and outer pipes changing of the relative positions phenomenon can take place the part composite pipe in production, transportation and the using process of composite pipe, manages when serious even in existing and peels off the risk that comes off.Particularly in the concrete pumping process; When plugging occurring, when adopting the mode of forcing pumping to dredge, because combination force is limited between inner and outer pipes; Such processing method exists the risk that the interior pipe and the wear-resistant sleeve of composite pipe are gone out, and possibly cause immeasurable loss.
The model utility content
To the defective that the compound delivery pipe of existing concrete exists, the utility model provides a kind of delivery pipe and concrete conveyer, with the interior pipe and the outer tube generation changing of the relative positions of avoiding the composite pipe in the delivery pipe.
For solving above technical problem, the utility model provides a kind of delivery pipe, comprises composite pipe, wear-resistant sleeve and flange, wherein:
Flange is installed on composite pipe mouth of pipe place;
On the flange inner wall, composite pipe mouth of pipe outside is provided with wear-resistant sleeve;
Said flange inner wall is provided with and can carries out spacing interior pipe fixation structure to the interior pipe of composite pipe, and said interior pipe fixation structure is arranged between composite pipe and the wear-resistant sleeve.
Preferably, said interior pipe fixation structure comprises the ring-shaped step that back-up ring and flange inner wall are provided with;
The protuberance of ring-shaped step is positioned at the wear-resistant sleeve side, and recess is positioned at the composite pipe side;
Back-up ring is installed in the said recess;
The external diameter of back-up ring is greater than the internal diameter of protuberance, and the internal diameter of back-up ring is less than the external diameter of multiple tube inner tube.
Preferably, ring-shaped step is right angle step or hypotenuse step, and the shape of back-up ring edge matches with the shape of ring-shaped step.
Preferably, between back-up ring and the recess be transition fit.
Preferably, the internal diameter of back-up ring is identical with the internal diameter of multiple tube inner tube, and the external diameter of back-up ring is identical with the recess internal diameter.
Preferably, said interior pipe fixation structure is the convexity that flange inner wall is provided with;
The outer rim radius of the distance of composite pipe central axis less than multiple tube inner tube arrived on protruding top.
Preferably, convexity is specially the ring convexity.
The utility model provides a kind of concrete conveyer, comprises above-mentioned delivery pipe.
Compared with prior art, the delivery pipe that the utility model provides comprises composite pipe, wear-resistant sleeve and flange, and wherein: flange is installed on composite pipe mouth of pipe place; On the flange inner wall, composite pipe mouth of pipe outside is provided with wear-resistant sleeve; Said flange inner wall is provided with and can carries out spacing interior pipe fixation structure to the interior pipe of composite pipe; Pipe fixation structure is arranged between composite pipe and the wear-resistant sleeve in said; Through this structure; Can multiple tube inner tube be fixed, thereby can avoid the interior pipe and the outer tube generation changing of the relative positions of the composite pipe in the delivery pipe.
Description of drawings
The structural representation at the delivery pipe mouth of pipe place that Fig. 1 provides for the utility model embodiment 1;
One of partial structurtes schematic representation of ring-shaped step and back-up ring in the delivery pipe that Fig. 2 provides for the utility model embodiment 1;
In the delivery pipe that Fig. 3 provides for the utility model embodiment 1 two of the partial structurtes schematic representation of ring-shaped step and back-up ring;
The partial structurtes schematic representation of the delivery pipe protrusions that Fig. 4 provides for the utility model embodiment 2.
Marginal data:
1, composite pipe 21, back-up ring
22, ring-shaped step 23, convexity
3, wear-resistant sleeve 4, flange
Embodiment
Be technological scheme and the effect that specifies the utility model, the utility model done detailed description below in conjunction with specific embodiment and accompanying drawing.
As shown in Figure 1, the structural representation at the delivery pipe mouth of pipe place that provides for the utility model embodiment 1 comprises composite pipe 1, wear-resistant sleeve 3 and flange 4, and wherein: flange 4 is installed on composite pipe 1 mouth of pipe place; On flange 4 inwalls, composite pipe 1 mouth of pipe outside is provided with wear-resistant sleeve 3; Flange 4 inwalls are provided with and can carry out spacing interior pipe fixation structure to the interior pipe of composite pipe 1, and said interior pipe fixation structure is arranged between composite pipe 1 and the wear-resistant sleeve 3.Wherein, the outer outer tube of pipe constitutes composite pipe 1 by interior pipe and in being placed in, and outer tube and interior pipe can be fixed through the complex method of non-metallurgy combination.This structure stops the outwards effect of slip of interior pipe through between composite pipe 1 and wear-resistant sleeve 3, interior pipe fixation structure being set, can playing, thereby can avoid the interior pipe and the outer tube generation changing of the relative positions of composite pipe.
Concrete, as shown in Figure 1, interior pipe fixation structure can comprise the ring-shaped step 22 that back-up ring 21 and flange 4 inwalls are provided with; Ring-shaped step 22 is arranged between flange 4 inwalls, composite pipe 1 and the wear-resistant sleeve 3 and locates; Flange 4 inwalls are divided into the different two-part of internal diameter, and the less side of internal diameter is a protuberance, and the side that internal diameter is bigger is a recess; Recesses is provided with composite pipe 1 and back-up ring 21, and the protuberance place is provided with wear-resistant sleeve 3.Wherein, the external diameter of back-up ring 21 is greater than the internal diameter of protuberance, and the internal diameter of back-up ring 21 is less than the external diameter of pipe in the composite pipe 1.
Concrete; The difference that external diameter of pipe in difference, back-up ring 21 internal diameters and the composite pipe 1 of external diameter and the protuberance internal diameter of back-up ring 21 can be set is in reasonable range, and the choosing of difference range should make back-up ring 21 cooperate with ring-shaped step 22 can play the effect that stops that pipe slides in the composite pipe 1.
Preferably; Back-up ring 21 internal diameters are identical with composite pipe 1 inner tube diameter; The external diameter of back-up ring 21 is identical with the external diameter of recess internal diameter and composite pipe 1 outer tube; The internal diameter of wear-resistant sleeve 3 also can be identical with the internal diameter of composite pipe 1, and this structure can guarantee the level and smooth of delivery pipe inwall, and concrete can expeditely be carried.
Preferably, a side and the composite pipe 1 of back-up ring 21 are close to, and opposite side then is close to (end face of wear-resistant sleeve 3 aligns with the sidewall of protuberance) with the sidewall and the wear-resistant sleeve 3 of protuberance.
Concrete, can be transition fit between back-up ring 21 and the recess, also can be interference fit, Spielpassung etc.Preferably, between back-up ring 21 and the recess be transition fit.
Concrete, like Fig. 2 and shown in Figure 3, ring-shaped step 22 can be right angle step (Fig. 2) or hypotenuse step (Fig. 3).The shape of back-up ring 21 edges matches with the shape of ring-shaped step 22, like this, can increase the area of contact between back-up ring 21 and the ring-shaped step 22, to improve stability of structure.
Embodiment 2
As shown in Figure 4; The structure of interior pipe fixation structure except adopting above-mentioned back-up ring 21 to combine with ring-shaped step 22; Can also be the convexity 23 of flange 4 inwalls setting, wherein, the outer rim radius of the distance of composite pipe 1 central axis less than pipe in the composite pipe 1 be arrived on protruding 23 tops.Protruding 23 can comprise that the many places of flange 4 inwalls on same cross section are protruding.
Preferred; Protruding 23 is that ring is protruding; The internal diameter of this ring convexity is less than the external diameter of pipe in the composite pipe 1; Choosing of the difference range of external diameter of pipe should make protruding 23 can play the effect that stops that pipe slides in the composite pipe 1 in internal diameter that ring is protruding and the composite pipe 1, and generally this difference can be in the 0.5mm-1mm scope.
The protruding side of ring can be close to composite pipe 1 one sides, and opposite side can be close to wear-resistant sleeve 3.And preferred, the shape of wear-resistant sleeve 3 edges can match with the protruding shape of ring.
A kind of delivery pipe that the utility model provides comprises composite pipe, wear-resistant sleeve and flange, and wherein: flange is installed on composite pipe mouth of pipe place; On the flange inner wall, composite pipe mouth of pipe outside is provided with wear-resistant sleeve; Flange inner wall is provided with and can carries out spacing interior pipe fixation structure to the interior pipe of composite pipe; Pipe fixation structure is arranged between composite pipe and the wear-resistant sleeve in said; Through this structure, can multiple tube inner tube be fixed, thereby can avoid the interior pipe and the outer tube generation changing of the relative positions of the composite pipe in the delivery pipe.
The utility model also provides a kind of concrete conveyer, comprises above-mentioned delivery pipe, and it has the technique effect identical with above-mentioned delivery pipe.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be looked the protection domain of the utility model.
Claims (8)
1. a delivery pipe comprises composite pipe (1), wear-resistant sleeve (3) and flange (4), wherein:
Flange (4) is installed on composite pipe (1) mouth of pipe place;
On flange (4) inwall, composite pipe (1) mouth of pipe outside is provided with wear-resistant sleeve (3);
It is characterized in that said flange (4) inwall is provided with and can carries out spacing interior pipe fixation structure to the interior pipe of composite pipe (1), said interior pipe fixation structure is arranged between composite pipe (1) and the wear-resistant sleeve (3).
2. delivery pipe as claimed in claim 1 is characterized in that, said interior pipe fixation structure comprises the ring-shaped step (22) that back-up ring (21) and flange (4) inwall are provided with;
The protuberance of ring-shaped step (22) is positioned at wear-resistant sleeve (3) side, and recess is positioned at composite pipe (1) side;
Back-up ring (21) is installed in the said recess;
The external diameter of back-up ring (21) is greater than the internal diameter of said protuberance, and the internal diameter of back-up ring (21) is less than the external diameter of pipe in the composite pipe (1).
3. delivery pipe as claimed in claim 2 is characterized in that, ring-shaped step (22) is right angle step or hypotenuse step, and the shape of back-up ring (21) edge matches with the shape of ring-shaped step (22).
4. delivery pipe as claimed in claim 2 is characterized in that, is transition fit between back-up ring (21) and the said recess.
5. delivery pipe as claimed in claim 2 is characterized in that, the internal diameter of back-up ring (21) is identical with the internal diameter of pipe in the composite pipe (1), and the external diameter of back-up ring (21) is identical with said recess internal diameter.
6. delivery pipe as claimed in claim 1 is characterized in that, said interior pipe fixation structure is the convexity (23) that flange (4) inwall is provided with;
The outer rim radius of the distance of composite pipe (1) central axis less than pipe in the composite pipe (1) arrived on protruding (23) top.
7. delivery pipe as claimed in claim 6 is characterized in that, protruding (23) are specially the ring convexity.
8. a concrete conveyer comprises like each described delivery pipe among the claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200702918U CN202521157U (en) | 2012-02-29 | 2012-02-29 | Conveying pipe and concrete conveying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200702918U CN202521157U (en) | 2012-02-29 | 2012-02-29 | Conveying pipe and concrete conveying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202521157U true CN202521157U (en) | 2012-11-07 |
Family
ID=47104109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200702918U Expired - Fee Related CN202521157U (en) | 2012-02-29 | 2012-02-29 | Conveying pipe and concrete conveying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202521157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872208A (en) * | 2017-02-24 | 2017-06-20 | 河海大学 | A kind of undisturbed soil sampling device and sampling method |
-
2012
- 2012-02-29 CN CN2012200702918U patent/CN202521157U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872208A (en) * | 2017-02-24 | 2017-06-20 | 河海大学 | A kind of undisturbed soil sampling device and sampling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130502 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130502 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee after: SANY Automobile Manufacturing Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: Sanyi Heavy Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20150229 |
|
| EXPY | Termination of patent right or utility model |