CN2779198Y - Steel-plastic composite pipe for concrete pumping machine - Google Patents
Steel-plastic composite pipe for concrete pumping machine Download PDFInfo
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- CN2779198Y CN2779198Y CN 200520050613 CN200520050613U CN2779198Y CN 2779198 Y CN2779198 Y CN 2779198Y CN 200520050613 CN200520050613 CN 200520050613 CN 200520050613 U CN200520050613 U CN 200520050613U CN 2779198 Y CN2779198 Y CN 2779198Y
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- pipe
- steel pipe
- steel
- flange
- step hole
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Abstract
The utility model discloses a steel-plastic composite pipe for concrete pumping machines. The aim of the utility model is to provide a steel-plastic composite pipe with similar conveying pipe wall thickness, lighter weight, unchanged conveying pipe connecting method and interconvertibility as compared with a steel pipe used on the existing concrete pumping machine under the condition of guaranteeing the same performance of the conveying pipe. The steel-plastic composite pipe of the utility model is composed of a steel pipe (2) of which both ends are fixedly connected with flanges and an ultrahigh molecular weight polyethylene inner pipe (3) pressed in the steel pipe (2).
Description
Technical field
The utility model belongs to the concrete works mechanical field, is specifically related to a kind of steel-plastic composite pipe that is used for concrete pumping machinery.
Background technique
At present, the delivery pipe that is used on the concrete pumping machinery all adopts steel pipe, and its weight is heavier, pump truck needs to guarantee pumping with thick jib that jib weight is heavier, the support zone of pump truck leg when needing to strengthen pumping, influence the usability of pumping machine, the cost performance of delivery pipe is low, perishable simultaneously.
The model utility content
Technical problem to be solved in the utility model is the defective that overcomes above-mentioned prior art, providing a kind of guarantees under the identical situation of delivery pipe performance, close with used steel pipe delivery pipe wall thickness on the existing concrete pumping machine, weight saving, the connecting mode of delivery pipe is constant, and the steel-plastic composite pipe that is used for concrete pumping machinery that can exchange.
For solving the problems of the technologies described above, the utility model adopts following technical proposals.
The steel-plastic composite pipe that is used for concrete pumping machinery of the present utility model is characterized in that it is connected with the steel pipe of flange by two ends and places to manage in the ultra-high molecular weight polyethylene in the steel pipe to form.Described steel pipe is seamless steel pipe or welded steel pipe.
As further improvement of the utility model, the described flange that is fixed in the steel pipe two ends, be that endoporus is the A flange of single step hole, the big end of single step hole is placed in steel tube end part, and be fixed in one with steel pipe, manage hot pressing in the ultra-high molecular weight polyethylene on the tube wall of steel pipe, and its end hot pressing is on the small end of single step hole.
As another improvement of the present utility model, the described flange that is fixed in the steel pipe two ends, be respectively A flange and B flange, the endoporus of A flange is single step hole, the big end of this list step hole is placed in an end of steel pipe, and be fixed in one with steel pipe, the endoporus of B flange is the double step hole, the big end in double step hole is placed in the other end of steel pipe, and be fixed in one with steel pipe, an end of pipe is close proximity on the step of stage casing, double step hole in the ultra-high molecular weight polyethylene, is provided with the fixedly back-up ring of the interior pipe of ultra-high molecular weight polyethylene in the small end of the set single step hole of A flange, and this back-up ring is close proximity to the other end of pipe in the ultra-high molecular weight polyethylene.Described back-up ring can adopt welding or interference fit or check ring to be fixed in the A flange.
The beneficial effects of the utility model are: the steel-plastic composite pipe that is used for concrete pumping machinery of the present utility model can reach the performance requirement of delivery pipe on the concrete pumping machinery, in appearance with now pumping machine is identical with the steel pipe delivery pipe; Connecting mode between the tube and tube is also identical with the connecting mode that shows between the delivery pipe that uses, and adopts flange to connect; Guaranteeing under the situation identical with delivery pipe performance on the existing concrete pumping machinery, close with the existing steel pipe delivery pipe wall thickness that uses, but weight saving, the cost performance of delivery pipe improves simultaneously, and can exchange with existing delivery pipe.On pump truck, make delivery pipe weight saving more than 40%, to the usability that improves pumping vehicle arm rack, reduce the pumping vehicle arm rack shake, to shorten the effect of pump truck leg great, and the pump truck vehicle performance is improved.Be used to drag pump, improve 40% than working life with former delivery pipe, cost performance improves 28%, disregards flange weight, but loss of weight 2.06Kg/m.
Description of drawings
Fig. 1 is the utility model embodiment's the steel pipe and the welded structure schematic representation of flange;
Fig. 2 is the structural representation in the pipe insertion steel pipe in the utility model embodiment ultra-high molecular weight polyethylene;
Fig. 3 is the utility model embodiment's a structural representation;
Fig. 4 is used to drag the pump structure schematic representation for the utility model embodiment;
Fig. 5 is another embodiment's of the utility model the steel pipe and the welded structure schematic representation of flange;
Fig. 6 is that the interior pipe of another embodiment's of the utility model ultra-high molecular weight polyethylene inserts the structural representation in the steel pipe;
Fig. 7 is another embodiment's of the utility model a structural representation;
Fig. 8 is used to drag the pump structure schematic representation for another embodiment of the utility model;
Fig. 9 is the structural representation of the pump truck of prior art with delivery pipe;
Figure 10 is the structural representation that drags pump usefulness delivery pipe of prior art.
Each label is represented among the figure
1-1, A flange
The big end 1-12 of 1-11, single step hole, the small end of single step hole
1-2, B flange
The small end in the big end 1-22 in 1-21, double step hole, stage casing, double step hole step 1-23, double step hole
2, steel pipe
3, pipe in the ultra-high molecular weight polyethylene
4, back-up ring
Embodiment
The steel-plastic composite pipe that is used for concrete pumping machinery of the present utility model, it is connected with the steel pipe 2 of flange by two ends and places in the ultra-high molecular weight polyethylene in the steel pipe 2 pipe 3 to form.Steel pipe 2 can be seamless steel pipe or welded steel pipe.
As shown in Figure 1, 2, 3, be a kind of mode of execution of the present utility model.Be fixed in the flange at steel pipe 2 two ends, be that endoporus is the A flange 1-1 of single step hole, the big end 1-11 of single step hole is placed in steel pipe 2 ends, and is fixed in one with steel pipe 2, manage 3 hot pressing in the ultra-high molecular weight polyethylene on the tube wall of steel pipe 2, and its end hot pressing is on the small end 1-12 of single step hole.
The production process of present embodiment is: adopt steel pipe 2 and A flange 1-1 welding earlier, as shown in Figure 1, be placed in flange 1-1 seamless or welded steel pipe 2 two end part, and weld with steel pipe 2; Then as shown in Figure 2, pipe in the ultra-high molecular weight polyethylene 3 is inserted in the steel pipe 2; Again as shown in Figure 3, be extruded to shape by heating pipe 3 is fixed on the inwall of steel pipe 2.
Shown in Fig. 5,6,7, be another kind of mode of execution of the present utility model.Be fixed in the flange at steel pipe 2 two ends, be the A flange 1-1 and the B flange 1-2 that are divided into steel pipe 2 two ends, the endoporus of A flange 1-1 is single step hole, and the big end 1-11 of this list step hole is placed in an end of steel pipe 2, and is fixed in one with steel pipe 2; The endoporus of B flange 1-2 is the double step hole, and the big end 1-21 in double step hole is placed in the other end of steel pipe 2, and is fixed in one with steel pipe 2; Pipe 3 places in the steel pipe 2 in the ultra-high molecular weight polyethylene, the one end is close proximity to B flange 1-2 and goes up on the step 1-22 of stage casing, set double step hole, end face location by stage casing, double step hole step 1-22, and its bore is identical with the aperture of the small end 1-23 in double step hole, be provided with the fixedly back-up ring 4 of the interior pipe 3 of ultra-high molecular weight polyethylene in the small end 1-12 of the set single step hole of A flange 1-1, back-up ring 4 is close proximity to the other end of pipe 3 in the ultra-high molecular weight polyethylene, makes pipe 3 location in the ultra-high molecular weight polyethylene.This back-up ring 4 can adopt welding or interference fit to fix, and also can adopt check ring.
The production process of present embodiment is: as shown in Figure 5, A flange 1-1 and B flange 1-2 are placed in steel pipe 2 two end part respectively, and with steel pipe 2 welding, then as shown in Figure 6, pipe in the ultra-high molecular weight polyethylene 3 is inserted in the steel pipe 2, and the one end is by set step location in the B flange 1-2 endoporus, more as shown in Figure 7, by the set back-up ring 4 of bore ends in the A flange 1-1, the interior pipe 3 of ultra-high molecular weight polyethylene is fixed in the steel pipe 2.
Steel-plastic composite pipe of the present utility model, its steel pipe 2 outside dimensions are identical with the delivery pipe external diameter on the existing concrete pumping machine, thickness of steel pipe is different and different according to the field of employment, but guarantee effectively to connect with flange, the wall thickness of pipe 3 was determined according to the life-span of the delivery pipe on the concrete pumping machinery in the ultra-high molecular weight polyethylene.
Example 1 pump truck delivery pipe:
Existing pump truck delivery pipe is that caliber D is the 16Mn steel pipe 2 of Φ 133 * 4.5, adopts flange 1 to connect, as shown in Figure 9.
Use instead behind the steel-plastic composite pipe of the present utility model as shown in Figure 3, outer layer pipe 2 is that caliber D1 is the welded steel pipe of Φ 133 * 2, adopt the A flange 1-1 of single step hole to connect, the big end 1-11 of single step hole is placed in steel pipe 2 ends, and be fixed in one with steel pipe 2, the caliber D2 of pipe 3 is Φ 128 * 3 in the ultra-high molecular weight polyethylene, and hot pressing is on the tube wall of steel pipe 2.With former delivery pipe ratio, the cost-effectivenes price ratio improves 25%, weight saving 40%.Can be used on back two to the three joint arms on the pump truck, working life is identical with 16Mn Φ 133 * 4.5 delivery pipes, alleviate the weight of delivery pipe on the pumping vehicle arm rack, reduced the shake of pumping vehicle arm rack, improved the usability of pumping vehicle arm rack, the pump truck vehicle performance is improved, and can realize exchanging with existing delivery pipe.
Example 2 pump truck delivery pipes:
Existing pump truck delivery pipe is that caliber D is the 16Mn steel pipe 2 of Φ 133 * 4.5, adopts flange 1 to connect, as shown in Figure 9.
Use instead behind the steel-plastic composite pipe of the present utility model as shown in Figure 7, outer layer pipe 2 is that caliber D1 is the welded steel pipe of Φ 133 * 2, two ends adopt A flange 1-1 and B flange 1-2 to connect respectively, the caliber D2 of pipe 3 is Φ 128 * 3 in the ultra-high molecular weight polyethylene, the endoporus of A flange 1-1 is single step hole, the big end 1-11 of this list step hole is placed in an end of steel pipe 2, and be fixed in one with steel pipe 2, the endoporus of B flange 1-2 is the double step hole, the big end 1-21 in double step hole is placed in the other end of steel pipe 2, and be fixed in one with steel pipe 2, pipe 3 inserts in the steel pipe 2 in the ultra-high molecular weight polyethylene, the one end is close proximity on the step 1-22 of stage casing, double step hole, end face location by stage casing, double step hole step 1-22, and its bore is identical with the aperture of the small end 1-23 in double step hole, is provided with the fixedly back-up ring 4 of the interior pipe 3 of ultra-high molecular weight polyethylene in the small end 1-12 of the set single step hole of A flange 1-1, and back-up ring 4 is close proximity to the other end of pipe 3 in the ultra-high molecular weight polyethylene.With former delivery pipe than performance index with example 1.
Example 3 drags the pump delivery pipe:
Now dragging the pump delivery pipe is that caliber D is 20 steel pipes 2 of Φ 140 * 6.0, adopts flange 1 to connect, as shown in figure 10.
Use instead behind the steel-plastic composite pipe of the present utility model as shown in Figure 4, outer layer pipe 2 is that caliber D1 is the welded steel pipe of Φ 140 * 4.5, adopt the A flange 1-1 of single step hole to connect, the big end 1-11 of single step hole is placed in steel pipe 2 ends, and be fixed in one with steel pipe 2, the caliber D2 of pipe 3 is Φ 130 * 3 in the ultra-high molecular weight polyethylene, and hot pressing is on the tube wall of steel pipe 2.Improve 40% than working life with former delivery pipe, cost performance improves 28%, weight saving (disregard flange weight, but loss of weight 2.06Kg/ rice).
Example 4 drags the pump delivery pipe:
Now dragging the pump delivery pipe is that caliber D is 20 steel pipes 2 of Φ 140 * 6.0, adopts flange 1 to connect, as shown in figure 10.
Use instead behind the steel-plastic composite pipe of the present utility model as shown in Figure 8, outer layer pipe 2 is that caliber D1 is the welded steel pipe of Φ 140 * 4.5, two ends adopt A flange 1-1 and B flange 1-2 to connect respectively, the caliber D2 of pipe 3 is Φ 130 * 3 in the ultra-high molecular weight polyethylene, pipe 3 inserts in the steel pipe 2 in the ultra-high molecular weight polyethylene, the one end is by set step location in the B flange 1-2 endoporus, and the other end is located by the back-up ring 4 that is fixed in bore ends in the A flange 1-1.Concrete structure is with example 2.Improve 40% than working life with former delivery pipe, cost performance improves 28%, weight saving (disregard flange weight, but loss of weight 2.06Kg/ rice).
Claims (5)
1, a kind of steel-plastic composite pipe that is used for concrete pumping machinery is characterized in that it is connected with the steel pipe (2) of flange by two ends and places the interior pipe of ultra-high molecular weight polyethylene (3) in the steel pipe (2) to form.
2, the steel-plastic composite pipe that is used for concrete pumping machinery according to claim 1 is characterized in that described steel pipe (2) is seamless steel pipe or welded steel pipe.
3, the steel-plastic composite pipe that is used for concrete pumping machinery according to claim 1 and 2, it is characterized in that the described flange that is fixed in steel pipe (2) two ends, be that endoporus is the A flange (1-1) of single step hole, the big end (1-11) of single step hole is placed in steel pipe (2) end, and be fixed in one with steel pipe (2), manage (3) hot pressing in the ultra-high molecular weight polyethylene on the tube wall of steel pipe (2), and its end hot pressing is on the small end (1-12) of single step hole.
4, the steel-plastic composite pipe that is used for concrete pumping machinery according to claim 1 and 2, it is characterized in that the described flange that is fixed in steel pipe (2) two ends, be respectively A flange (1-1) and B flange (1-2), the endoporus of A flange (1-1) is single step hole, the big end (1-11) of this list step hole is placed in an end of steel pipe (2), and be fixed in one with steel pipe (2), the endoporus of B flange (1-2) is the double step hole, the big end (1-21) in double step hole is placed in the other end of steel pipe (2), and be fixed in one with steel pipe (2), an end of pipe (3) is close proximity on stage casing, the double step hole step (1-22) in the ultra-high molecular weight polyethylene, be provided with the fixedly back-up ring (4) of the interior pipe of ultra-high molecular weight polyethylene (3) in the small end (1-12) of the set single step hole of A flange (1-1), back-up ring (4) is close proximity to the other end of pipe (3) in the ultra-high molecular weight polyethylene.
5, the steel-plastic composite pipe that is used for concrete pumping machinery according to claim 4 is characterized in that described back-up ring (4) adopts welding or interference fit or check ring to be fixed in the A flange (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520050613 CN2779198Y (en) | 2005-03-30 | 2005-03-30 | Steel-plastic composite pipe for concrete pumping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520050613 CN2779198Y (en) | 2005-03-30 | 2005-03-30 | Steel-plastic composite pipe for concrete pumping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779198Y true CN2779198Y (en) | 2006-05-10 |
Family
ID=36753286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520050613 Expired - Fee Related CN2779198Y (en) | 2005-03-30 | 2005-03-30 | Steel-plastic composite pipe for concrete pumping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2779198Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013086892A1 (en) * | 2011-12-13 | 2013-06-20 | 中联重科股份有限公司 | Material conveying machine, composite structure conveying pipe and manufacturing method thereof |
| CN109899609A (en) * | 2019-04-11 | 2019-06-18 | 北京建工四建工程建设有限公司 | A kind of concrete delivery pump pipe connection transformational structure and its construction method |
-
2005
- 2005-03-30 CN CN 200520050613 patent/CN2779198Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013086892A1 (en) * | 2011-12-13 | 2013-06-20 | 中联重科股份有限公司 | Material conveying machine, composite structure conveying pipe and manufacturing method thereof |
| CN109899609A (en) * | 2019-04-11 | 2019-06-18 | 北京建工四建工程建设有限公司 | A kind of concrete delivery pump pipe connection transformational structure and its construction method |
| CN109899609B (en) * | 2019-04-11 | 2024-02-13 | 北京建工四建工程建设有限公司 | Concrete conveying pump pipe connection conversion structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060510 Termination date: 20140330 |