CN109899609A - A kind of concrete delivery pump pipe connection transformational structure and its construction method - Google Patents
A kind of concrete delivery pump pipe connection transformational structure and its construction method Download PDFInfo
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- CN109899609A CN109899609A CN201910289665.1A CN201910289665A CN109899609A CN 109899609 A CN109899609 A CN 109899609A CN 201910289665 A CN201910289665 A CN 201910289665A CN 109899609 A CN109899609 A CN 109899609A
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 150000001875 compounds Chemical class 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 239000004698 Polyethylene Substances 0.000 claims abstract description 5
- -1 polyethylene Polymers 0.000 claims abstract description 5
- 229920000573 polyethylene Polymers 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 20
- 238000005086 pumping Methods 0.000 claims description 18
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000012943 hotmelt Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
A kind of concrete delivery pump pipe connection transformational structure and its construction method, the compound pump line being connected to including original pump line and by converting pump line with original pump line, pump line is converted as steel pipe, the connecting pin of side is to snap connection end, the connecting pin of the other side is ring flange connecting pin, compound pump line is double-layer composite pipe, including outer tube and inner tube, outer tube is steel pipe, inner tube is made of ultra high molecular polyethylene, and the annular flange dish of compound pump line is bolted by the annular flange dish of flange bolt and ring flange connecting pin through flange bolt hole to be connected.The present invention solves traditional delivery pump pipe buckle and can not connect directly between compound pump line and the overscale problems of tradition delivery pump pipe caliber and compound pump line caliber.The present invention is completely embedded, and caliber is excessively straight unobstructed, and delivering concrete works well.
Description
Technical field
The invention belongs to concrete transportation construction field, combination connection knot between especially a kind of variety classes delivery pump pipe
Structure and its concrete pumping method.
Background technique
The concrete pumping pipe material of construction industry concrete structure is mainly steel pump line, and steel pump line is passed through in concrete pump
Cheng Zhonghui generates various problems, such as the problems such as plugging or concrete performance variation.Especially in super high-rise pumping operation, due to
Pumping height is high, strong concrete performance is unstable, and these problems are more common.Construction production efficiency seriously is reduced, is located
Reason is also easy to quality problems occur not in time.
Meanwhile it there is problems for the connection method of concrete delivery pump pipe:
One, traditional concrete delivery pump pipe snaps connection imprecision, in concrete delivery service using mode is snapped connection
It is easy snapping connection position spillage, the discharge pressure of pump truck will will lead to pump line vibration, pump line in concrete delivery service
Between weak connection will will lead to quality and safety accident occurs, flanged joint as safer and secure attachment mode,
It is widely used by pump line producer and unit in charge of construction.
Two, traditional buckle mouth and the flange bolt mouth of special concrete delivery pump pipe can not be directly connected to, in concrete
Extreme difficulties are brought during delivery pump pipe connection construction.Conventional construction method can not solve the problems, such as such.
With regard to current technique, there are no the connectivity problems that a kind of method can solve different connection type pump lines, therefore, mesh
It is preceding to need a kind of connectivity problem for solving conventional concrete delivery pump pipe and special concrete delivery pump pipe, it is connected for pump line in future
Offer convenience condition.
Summary of the invention
The object of the present invention is to provide a kind of concrete delivery pump pipe connection transformational structure and its construction methods, to solve
Certainly there are pluggings, the serious reduction construction production efficiency of concrete performance variation, processing easily to occur matter not in time for concrete steel pump line
Bad technical problem is measured, also to solve that existing tradition snaps connection pump line and the concrete delivery pump pipe of special shape can not be straight
The connection connect, connection imprecision are easy spillage and are easy to happen safety accident in interface weakness because pump truck discharge pressure shakes,
And concrete pouring quality control such as is difficult to ensure at the technical problems.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of concrete delivery pump pipe connection transformational structure, including original pump line, original pump line are steel pipe, original pump line
It is provided with the annular groove for snap lock on the outer wall of both ends, further include conversion pump line and is connected by conversion pump line and original pump line
Logical compound pump line,
For the pump line of converting into steel pipe, the connecting pin including converting tube body and two sides, the connecting pin of side is to snap connection end, institute
State the annular groove being also provided on the conversion tube wall for snap connection end for snap lock, the connecting pin of original pump line with
The annular groove snapped connection on end locks connection by being lined with the buckle of rubber washer together,
The connecting pin of the other side is ring flange connecting pin, is fixedly connected between two parties on the conversion tube wall of the ring flange connecting pin
There is steel annular ring flange, the edge circumferential direction uniform intervals of the annular flange dish are provided with one group of flange bolt hole, the annular
The outer surface of ring flange is concordant with the end face of ring flange connecting pin,
The compound pump line is double-layer composite pipe, including composite pipe body, further includes distinguishing on the end face outer wall of composite pipe body two sides
It is fixedly connected with the annular flange dish of steel between two parties, the edge circumferential direction uniform intervals of the annular flange dish are also provided with one group of flange spiral shell
Keyhole, the composite pipe body include outer tube and inner tube, and the outer tube is steel pipe, and said inner tube is made of ultra high molecular polyethylene,
The outer wall surface of said inner tube is close to the inner wall surface of outer tube, and the both ends of inner tube pass through the flange anti-package of hot melt to the two of outer tube
End, the outer surface for being close to annular flange dish, the width of the flange, which is subject to, does not block flange bolt hole,
The annular that the annular flange dish of the compound pump line passes through flange bolt and ring flange connecting pin through flange bolt hole
Ring flange bolt connection.
Original pump line and compound pump line are the constant cross-section pipe of internal diameter, and the internal diameter of original pump line is less than combination pump
The internal diameter of pipe, for the tube body of converting into the varying cross-section duct of internal diameter even transition, the internal diameter for snapping connection end is equal to original pump line
Internal diameter, the internal diameter of ring flange connecting pin are equal to the internal diameter of compound pump line.
The ring flange connecting pin is connected with the annular steel plate washer of the outer end face evagination of opposed annular flanges disk between two parties, described
The internal diameter of annular steel plate washer is identical as the internal diameter of ring flange connecting pin.
The outer diameter of the annular steel plate washer is not more than the width of flange.
The width of the flange is 30mm-40mm.
At least eight flange bolt holes are provided in each annular flange dish, the length for converting pump line is 500mm-
600mm。
The internal diameter of the outer tube is 125mm-175mm, wall thickness 4.5mm-5mm, the length of outer tube be 3m, 2m, 1m or
0.5m；
The internal diameter of said inner tube is 100mm-150mm, and wall thickness 8mm, the length of inner tube is 3m, 2m, 1m or 0.5m.
The compound pump line includes straight tube and bend pipe, and the bend pipe includes four kinds of forms, bending angle is respectively 90 degree,
45 degree, 30 degree or 15 degree, corresponding turning radius is respectively 1000mm, 750mm, 500mm or 350mm.
The construction method of this concrete delivery pump pipe connection transformational structure, construction procedure are as follows:
Step 1 processes compound pump line:
A, the internal diameter of type selecting outer tube, wall thickness, length, bend pipe angle, the size of turning radius and annular flange dish, by annular flange
Disk is welded in place；
B, the internal diameter, wall thickness of type selecting inner tube, length, bend pipe angle, the size of turning radius,
C, outer tube is directly sleeved on to the outside of inner tube, inner tube reserves the length of flange and by hot melt anti-package to annular flange dish
Outer surface, flange ensure it is smooth, flatness be not more than 1mm；
Step 2, processing conversion pump line:
A, the internal diameter of original pump line and the internal diameter of compound pump line are determined；
B, according to the prefabricated production processing conversion pump line of the size of two sides pump line to be connected, loop method is socketed in ring flange connecting pin
Blue disk is snapping connection end open loop connected in star；
The annular groove of step 3, the annular groove for snapping connection end and original pump line of converting pump line is embedded in rubber washer,
Then be connected by a snap and connect two pipes, will convert the annular flange dish of the ring flange connecting pin of pump line by flange bolt with
The annular flange dish of compound pump line bolts connection；
Step 4 carries out concreting experiment after conversion pump line connection, verifies it and connect tightness and fastness；
Step 5 is required according to site operation, and different length and the compound pump line of bend pipe angle is selected to carry out on-site assembly；It is compound
It is all made of annular flange dish between pump line to connect by flange bolt, firmly installs, it is ensured that pipeline is seamless, not spillage；
Step 6, concrete pumping with pour: after compound pump line installs, carry out concrete according to regulation and code requirement
Pumping with pour, concrete material performance and pouring construction method are consistent with original pump line；
Step 7 washes pipe:
Using rotating wash bowl air purge；
Rotating wash bowl needs to impregnate in water in advance 30 minutes or more when in use, after concrete pumping, rotating wash bowl is put into multiple
Pump line end is closed, with pulsometer by rotating wash bowl reverse ejection to feed inlet；
Hopper inner concrete rise speed is observed when cleaning, beats pipeline, when sound becomes hollow sound, pipeline cleaning is finished.
During the step 2 is connected with the ring flange in step 3, using interval jump point connection type, flange bolt and ring
Spring shim is added between shape ring flange.
Compared with prior art the invention has the characteristics that and the utility model has the advantages that
The present invention discloses a kind of compound pump line can substitute steel pump line completely, suitable for low layer and Super High concrete structure
Pumpdown, the pumping of particularly suitable strong concrete and high-rise pumpdown, have apparent superiority:
One, using superhigh molecular weight polyethylene pipe as interior conduit, interior conduit and the concrete coefficient of friction resistance is small, wear-resisting, self-lubricating,
It is not susceptible to adhesion, is not easy plugging；Reduce the frictional resistance with concrete, reduces bonding with concrete.
Two, since ultra-high molecular weight polyethylene rigidity is smaller, using steel pipe as Outer Tube, the whole of pump line is improved
Body rigidity.Outer Tube with non-standard pipeline or can use standard pipe.
Three, it is compounded to form using steel outer tube road and ultra-high molecular weight polyethylene interior conduit, inner wall is replaceable, reduces outer tube
Abrasion, turnover rate are higher.
Four, pipeline enclosure uses flanged joint, keeps the connection between Guan Yuguan closer, does not leak pressure spillage, pumping efficiency is more
Height improves the pumpability of concrete.
Invention additionally discloses a kind of conversion pump lines for being exclusively used in the compound pump line and connecting with original pump line, i.e. conventional concrete
The conversion pump line that delivery pump pipe is connected with compound pump line, it is converted for the caliber of conventional concrete delivery pump pipe, connection type
Pump line is connected to the connection method of compound pump line.Conventional concrete delivery pump pipe is connect with concrete mixer using buckle,
It is secondary to be connect the one end for converting pump line with traditional delivery pump pipe using buckle, another hold-carrying of pump line will be converted using bolt again
Orchid connect with combination pump pipe flange, and solving traditional delivery pump pipe and buckling can not connect and tradition is defeated directly between compound pump line
Send the overscale problems of pump line caliber Yu compound pump line caliber.The present invention is completely embedded, caliber excessively straight unobstructed, delivering concrete
It works well.
The press belt that flange bolt connection after the converted pump line connection of the present invention can preferably bear casting concrete comes
Disturbance.One end of conversion pump pipe clamp button and conventional concrete delivery pump pipe carry out bayonet connection first, solve traditional coagulation
Native delivery pump pipe connect to special concrete delivery pump pipe first excessively, then again will conversion pump line other end flange and multiple
It closes pump line and carries out flange bolt connection, solve the transition from conventional concrete delivery pump pipe completely to compound pump line, while compared with
It is good solve snap connection converted pump line after the fixing means that is all connected to flange bolt, reduce because of pump truck conveying
Pressure causes pump line vibration in the quality and safety accident of weak junction, can preferably guarantee conventional concrete delivery pump pipe
The globality connecting with special concrete delivery pump pipe, further strengthening concrete conveyance continuity ensure that concrete is defeated
The construction quality sent, connection method is clear, Connection Step is clear, application surface is wider, and relatively traditional connection type can save
Manually, it improves construction efficiency, reduce pumping oil consumption simultaneously, saved the energy, reduced cost, while obtaining good conversion and connecting
Connect effect.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing.
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the decomposition diagram of Fig. 1.
Fig. 3 is the structural schematic diagram of buckle.
Fig. 4 is the structural schematic diagram of rubber washer.
Fig. 5 is the side structure schematic view in the conversion pump pipe flange direction of Fig. 1.
Fig. 6 is the cross section structure schematic diagram of compound pump line.
Appended drawing reference: the original pump line of 1-, 2- conversion pump line, the compound pump line of 3-, 31- outer tube, 32- inner tube, 33- are turned over
Side, 4- annular groove, 5- buckle, 6- annular flange dish, 7- flange bolt hole, 8- annular steel plate washer, 9- flange bolt,
10- spring shim, 11- rubber washer.
Specific embodiment
Referring to shown in Fig. 1-6, a kind of concrete delivery pump pipe connection transformational structure, including original pump line 1, original pump
Pipe 1 is steel pipe, and the annular groove 4 for snap lock is provided on the both ends outer wall of original pump line 1, further include conversion pump line 2 and
The compound pump line 3 being connected to by converting pump line 2 with original pump line 1.
For the pump line of converting into steel pipe, the connecting pin including converting tube body and two sides, the connecting pin of side is to snap connection
It holds, the annular groove 4 for snap lock, the company of original pump line is also provided on the conversion tube wall for snapping connection end
It connects end and locks connection together by being lined with the buckle 5 of rubber washer 11 with the annular groove snapped connection on end.
The connecting pin of the other side is ring flange connecting pin, is fixed between two parties on the conversion tube wall of the ring flange connecting pin
It is connected with steel annular ring flange 6, the edge circumferential direction uniform intervals of the annular flange dish are provided with one group of flange bolt hole 7, institute
The outer surface for stating annular flange dish is concordant with the end face of ring flange connecting pin.
The compound pump line is double-layer composite pipe, including composite pipe body, further includes on the end face outer wall of composite pipe body two sides
It is fixedly connected with the annular flange dish 6 of steel between two parties respectively, the edge circumferential direction uniform intervals of the annular flange dish are also provided with one group
Flange bolt hole 7, the composite pipe body include outer tube 31 and inner tube 32, and the outer tube 31 is steel pipe, and said inner tube 32 is by superelevation
Molecular polyethylene is made, and the outer wall surface of said inner tube 32 is close to the inner wall surface of outer tube, and the both ends of inner tube pass through hot melt
33 anti-package of flange is to the both ends of outer tube 31, the outer surface of abutting annular flange dish 6, and the width of the flange 33 is not to block method
Subject to blue bolt hole.
The annular flange dish 6 of the compound pump line 3 is connect by the flange bolt 9 through flange bolt hole 7 with ring flange
The annular flange dish 6 at end bolts connection.
Original pump line 1 and compound pump line are the constant cross-section pipe of internal diameter, and the internal diameter of original pump line 1 is less than compound
The internal diameter of pump line 3, for the tube body of converting into the varying cross-section duct of internal diameter even transition, the internal diameter for snapping connection end is equal to original pump line
1 internal diameter, the internal diameter of ring flange connecting pin are equal to the internal diameter of compound pump line 3.
The ring flange connecting pin is connected with the annular steel plate washer 8 of the outer end face evagination of opposed annular flanges disk, institute between two parties
The internal diameter for stating annular steel plate washer 8 is identical as the internal diameter of ring flange connecting pin.
The outer diameter of the annular steel plate washer is not more than the width of flange.
The width of the flange 33 is 30mm-40mm.
At least eight flange bolt holes 7 are provided in each annular flange dish 6, the length for converting pump line 2 is 500mm-
600mm。
The internal diameter of the outer tube 31 is 125mm-175mm, and wall thickness 4.5mm-5mm, the length of outer tube 31 is 3m, 2m, 1m
Or 0.5m；
The internal diameter of said inner tube 32 is 100mm-150mm, and wall thickness 8mm, the length of inner tube 32 is 3m, 2m, 1m or 0.5m.
The compound pump line 3 includes straight tube and bend pipe, and the bend pipe includes four kinds of forms, and bending angle is respectively 90
Degree, 45 degree, 30 degree or 15 degree, corresponding turning radius are respectively 1000mm, 750mm, 500mm or 350mm.
It is 24mm in aperture the present embodiment of flange bolt hole in the present embodiment, the diameter of flange bolt is 22mm, length
For 120mm, when use, can add conventional pads and spring shim.The width of annular steel plate washer is 40mm, with a thickness of 3mm, card
The internal diameter of button is 130mm, outer diameter 150mm.
The construction method of this concrete delivery pump pipe connection transformational structure, construction procedure are as follows:
Step 1 processes compound pump line:
A, the internal diameter of type selecting outer tube 31, wall thickness, length, bend pipe angle, the size of turning radius and annular flange dish, by loop method
Blue disk is welded in place；In the present embodiment, annular flange dish with a thickness of 20mm, diameter 280mm, eight flange bolts are set altogether
Hole, aperture 24mm.In the present embodiment, the size of internal diameter is 125mm.
B, the internal diameter, wall thickness of type selecting inner tube 32, length, bend pipe angle, the size of turning radius, in the present embodiment, internal diameter
Size be 125mm.
C, in the present embodiment, inner tube outside diameter is 9mm smaller than outer tube diameter, and outer tube 31 is directly sleeved on to the outside of inner tube 32, and
There is the gap of 4.5mm around interior conduit, inner tube 32 reserves the length of flange 33 and by hot melt anti-package to annular flange dish 6
Outer surface, flange ensure it is smooth, flatness be not more than 1mm.
When production, it is ensured that inside and outside pipe diameter and wall thickness meet pumping requirements, and temperature should be controlled at 80 degree when inner tube flange
Left and right, flange want smooth, and flange plate bolt hole site is accurate, is evenly distributed.Pump line firm welding is converted, face of weld is not
There must be the surface defects such as incompletely filling, stomata, overlap, crackle, weld seam should be met the requirements of the standard.Outer tube manufactured size should be accurate, no
Spillage.
Step 2, processing conversion pump line:
Because ground pumping unit discharge port, cloth machine inlet are original pump line, i.e., common buckle-type steel pump line interface, internal diameter is
130mm, and compound pump line connection type is flange form connection, internal diameter 125mm.Two kinds of pipe diameters and connection type are not
Together, it is connected so needing to process crossover sub.
A, the internal diameter of original pump line 1 and the internal diameter of compound pump line 3 are determined；
B, according to the prefabricated production processing conversion pump line of the size of two sides pump line to be connected, loop method is socketed in ring flange connecting pin
Blue disk 6 is snapping connection end open loop connected in star 4.
The annular groove 4 of step 3, the annular groove 4 for snapping connection end and original pump line of converting pump line is embedded in rubber
Then two pipes are connected by 5 connection of buckle, the annular flange dish for converting the ring flange connecting pin of pump line 2 are passed through by washer 11
The annular flange dish 6 of flange bolt 9 and compound pump line 3, which bolts, to be connected.
Step 4, conversion pump line 2 carry out concreting experiment after connecting, and verify it and connect tightness and fastness.
Step 5 is required according to site operation, and the compound pump line 3 of different length and bend pipe angle is selected to carry out live group
Dress；It is all made of annular flange dish 6 between compound pump line to connect by flange bolt 9, firmly installs, it is ensured that pipeline is seamless, no
Spillage.
The reinforcement measure of compound pump line and common pump line are without too many differences, after the completion of Pipe installing, in flat segments and vertical
Duan Caiyong fastener type steel pipe frame is fixed, and is fixed at turning and impact force larger part using concrete pier.In floor
Surrounding plug is stoppered in fact with flitch at hole to be provided.
Step 6, concrete pumping with pour: after compound pump line 3 installs, carried out according to regulation and code requirement
The pumping of concrete with pour, concrete material performance and pouring construction method are consistent with original pump line.
Step 7 washes pipe:
Using rotating wash bowl air purge；
Rotating wash bowl needs to impregnate in water in advance 30 minutes or more when in use, after concrete pumping, rotating wash bowl is put into multiple
Pump line end is closed, with pulsometer by rotating wash bowl reverse ejection to feed inlet.
Hopper inner concrete rise speed is observed when cleaning, beats pipeline, when sound becomes hollow sound, pipeline cleaning is complete
Finish.
During the step 2 is connected with the ring flange in step 3, using interval jump point connection type, flange bolt 9 and ring
Spring shim 10 is added between shape ring flange 6.
After the waste water for washing pipe of the invention answers secondary precipitation, recycling；Concrete using it is preceding it is accrued calculate accurately really, be considered as
Using washing out remaining concrete.After the inner wall abrasion of inner tube reaches to a certain degree, it need to be replaced, it can to the inner core of replacement
It is re-worked after decomposition, secondary use is environmentally protective.
Claims (10)
1. a kind of concrete delivery pump pipe connection transformational structure, including original pump line (1), original pump line (1) is steel pipe, former
The annular groove (4) for snap lock is provided on the both ends outer wall for having pump line (1), it is characterised in that: further include conversion pump line (2)
And the compound pump line (3) being connected to by converting pump line (2) with original pump line (1),
For the pump line of converting into steel pipe, the connecting pin including converting tube body and two sides, the connecting pin of side is to snap connection end, institute
State the annular groove (4) being also provided on the conversion tube wall for snap connection end for snap lock, the connection of original pump line
It holds and snaps connection the annular groove on end and lock connection together by being lined with the buckle (5) of rubber washer (11),
The connecting pin of the other side is ring flange connecting pin, is fixedly connected between two parties on the conversion tube wall of the ring flange connecting pin
Have steel annular ring flange (6), the edge circumferential direction uniform intervals of the annular flange dish are provided with one group of flange bolt hole (7), institute
The outer surface for stating annular flange dish is concordant with the end face of ring flange connecting pin,
The compound pump line is double-layer composite pipe, including composite pipe body, further includes distinguishing on the end face outer wall of composite pipe body two sides
It is fixedly connected with the annular flange dish (6) of steel between two parties, the edge circumferential direction uniform intervals of the annular flange dish are also provided with one group of method
Blue bolt hole (7), the composite pipe body include outer tube (31) and inner tube (32), and the outer tube (31) is steel pipe, said inner tube
(32) it is made of ultra high molecular polyethylene, the outer wall surface of said inner tube (32) is close to the inner wall surface of outer tube, the both ends of inner tube
Portion passes through flange (33) anti-package of hot melt to the both ends of outer tube (31), the outer surface of abutting annular flange dish (6), the flange
(33) width, which is subject to, does not block flange bolt hole,
The annular flange dish (6) of the compound pump line (3) passes through the flange bolt (9) and ring flange through flange bolt hole (7)
The annular flange dish (6) of connecting pin bolts connection.
2. concrete delivery pump pipe connection transformational structure according to claim 1, it is characterised in that: original pump line
(1) and compound pump line is the constant cross-section pipe of internal diameter, and the internal diameter of original pump line (1) is less than the internal diameter of compound pump line (3), institute
It states and converts tube body as the varying cross-section duct of internal diameter even transition, the internal diameter for snapping connection end is equal to the internal diameter of original pump line (1), flange
The internal diameter of disk connecting pin is equal to the internal diameter of compound pump line (3).
3. concrete delivery pump pipe connection transformational structure according to claim 1, it is characterised in that: the ring flange connection
End is connected with the annular steel plate washer (8) of the outer end face evagination of opposed annular flanges disk, the internal diameter of the annular steel plate washer (8) between two parties
It is identical as the internal diameter of ring flange connecting pin.
4. concrete delivery pump pipe connection transformational structure according to claim 3, it is characterised in that: the annular steel plate washer
Outer diameter be not more than flange width.
5. concrete delivery pump pipe connection transformational structure according to claim 1 or 4, it is characterised in that: the flange
(33) width is 30mm-40mm.
6. concrete delivery pump pipe connection transformational structure according to claim 1, it is characterised in that: each annular flange dish
(6) it is provided at least eight flange bolt holes (7), the length for converting pump line (2) is 500mm-600mm.
7. concrete delivery pump pipe connection transformational structure according to claim 1, it is characterised in that:
The internal diameter of the outer tube (31) is 125mm-175mm, and wall thickness 4.5mm-5mm, the length of outer tube (31) is 3m, 2m, 1m
Or 0.5m；
The internal diameter of said inner tube (32) is 100mm-150mm, and wall thickness 8mm, the length of inner tube (32) is 3m, 2m, 1m or 0.5m.
8. concrete delivery pump pipe connection transformational structure according to claim 7, it is characterised in that: the compound pump line
(3) include straight tube and bend pipe, the bend pipe include four kinds of forms, bending angle is respectively 90 degree, 45 degree, 30 degree or 15 degree,
Corresponding turning radius is respectively 1000mm, 750mm, 500mm or 350mm.
9. a kind of construction method of concrete delivery pump pipe connection transformational structure according to any one of claims 1 to 8,
It is characterized in that, construction procedure is as follows:
Step 1 processes compound pump line:
A, the internal diameter of type selecting outer tube (31), wall thickness, length, bend pipe angle, the size of turning radius and annular flange dish, will be annular
Ring flange is welded in place；
B, the internal diameter, wall thickness of type selecting inner tube (32), length, bend pipe angle, the size of turning radius,
C, outer tube (31) is directly sleeved on to the outside of inner tube (32), inner tube (32) reserves the length of flange (33) and passes through hot melt
Anti-package to annular flange dish (6) outer surface, flange ensure it is smooth, flatness be not more than 1mm；
Step 2, processing conversion pump line:
A, the internal diameter of original pump line (1) and the internal diameter of compound pump line (3) are determined；
B, according to the prefabricated production processing conversion pump line of the size of two sides pump line to be connected, loop method is socketed in ring flange connecting pin
Blue disk (6) is snapping connection end open loop connected in star (4)；
Step 3, the annular groove (4) for converting the annular groove (4) and original pump line that snap connection end of pump line are embedded in rubber
Then two pipes are connected by buckle (5) connection, will convert the annular flange of the ring flange connecting pin of pump line (2) by washer (11)
Disk is bolted by the annular flange dish (6) of flange bolt (9) and compound pump line (3) and is connected；
Step 4 carries out concreting experiment after conversion pump line (2) connection, verifies it and connects tightness and fastness；
Step 5 is required according to site operation, and different length and the compound pump line (3) of bend pipe angle is selected to carry out on-site assembly；
It is all made of annular flange dish (6) between compound pump line to connect by flange bolt (9), firmly installs, it is ensured that pipeline is seamless, no
Spillage；
Step 6, concrete pumping with pour: after compound pump line (3) installs, mixed according to regulation and code requirement
Coagulate soil pumping with pour, concrete material performance and pouring construction method are consistent with original pump line；
Step 7 washes pipe:
Using rotating wash bowl air purge；
Rotating wash bowl needs to impregnate in water in advance 30 minutes or more when in use, after concrete pumping, rotating wash bowl is put into multiple
Pump line end is closed, with pulsometer by rotating wash bowl reverse ejection to feed inlet；
Hopper inner concrete rise speed is observed when cleaning, beats pipeline, when sound becomes hollow sound, pipeline cleaning is finished.
10. the construction method of concrete delivery pump pipe connection transformational structure according to claim 9, it is characterised in that:
During the step 2 is connected with the ring flange in step 3, using interval jump point connection type, flange bolt (9) and annular
Spring shim (10) are added between ring flange (6).
Priority Applications (1)
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| CN115183061A (en) * | 2022-09-13 | 2022-10-14 | 中铁建设集团有限公司 | Steel structure super high-rise concrete conveying pump pipe assembly and installation and construction method thereof |
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| CN109899609B (en) | 2024-02-13 |
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