CN106193612A - Towed concrete pump car - Google Patents
Towed concrete pump car Download PDFInfo
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- CN106193612A CN106193612A CN201610648467.6A CN201610648467A CN106193612A CN 106193612 A CN106193612 A CN 106193612A CN 201610648467 A CN201610648467 A CN 201610648467A CN 106193612 A CN106193612 A CN 106193612A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
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- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reciprocating Pumps (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The present invention relates to a kind of towed concrete pump car, this pump truck includes trailer platform, and the pump machanism that is arranged on trailer platform, conveyance conduit, pump machanism includes pumping mechanism, wiper mechanism, concrete distributor gear, hopper and rabbling mechanism.The towed concrete pump car of the present invention, by reducing body dimensions and changing the design of conveyance conduit, adds concrete mixer motility in engineering, provides the driving force of pump truck simultaneously with motor.Conveying pipe combines with tower crane, uses special fixture that conveyance conduit is fixed on tower crane, and whole concrete mixer integrates conveying pouring, little, the compact conformation of taking up room, scheduling conveniently, low cost of manufacture, it is adaptable in the construction of low floor.
Description
Technical field
The present invention relates to a kind of the concrete pump set, especially a kind of towed concrete pump car.
Background technology
Currently, Concrete Pumping Technology has obtained relatively broad application in China.Mix with concrete pump delivering concrete
Compound, one-time continuous can complete horizontal transport and vertical transport, and can continuous placing, thus have that efficiency is high, save labour force
Advantage.Concrete Pumping Construction technology develops quickly in China, and extensive in the engineerings such as skyscraper, bridge, subway
Ground application, shows through experimental study and engineering practice, and the material standard such as pump concrete and sand, stone, cement, pumping admixture has closely
Relation, and have continuous print construction technology, the choice arrangement to concrete pump conveying pipe, pump concrete supply, concrete pumping
With pour etc. require higher.
Existing concrete pumping installations is bulky, needs oversize vehicle to be loaded and transports, and in construction wants place
Asking high, and structure is complicated, cost is high, applies and be restricted in common construction.And existing concrete pump is in order to reach enough
High delivery head, it is necessary to use high-horsepower diesel engine as power set, there is loud noise problem, and air pollution is asked
Topic.
Summary of the invention
The present invention is directed to the problems referred to above, propose a kind of conveniently moving, the towed concrete pump car of energy-conserving and environment-protective.
A kind of towed concrete pump car, including trailer platform, the pump machanism being arranged on trailer platform, conveyance conduit machine
Structure, wherein pump machanism includes pumping mechanism, wiper mechanism, concrete distributor gear, hopper and rabbling mechanism, and pumping mechanism includes
Master cylinder and concrete cylinder, wiper mechanism includes that water tank, concrete distributor gear include that concrete distributes S valve, concrete distribution S
Valve is positioned at hopper, and it connects concrete cylinder and conveyance conduit mechanism by connector, and coordinates the action of both parts.
A kind of towed concrete pump car, wherein, master cylinder is by cylinder body, oil cylinder piston, piston rod, piston head and buffering dress
Put composition.
A kind of towed concrete pump car, wherein, concrete cylinder rear end is connected with water tank, and front end is connected with hopper, and passes through
Hopper is fixed with paying beam, is fixed between hopper and water tank by pull bar.
A kind of towed concrete pump car, wherein, main oil cylinder piston bar extend in concrete cylinder, and front end is with concrete piston even
Connect.
A kind of towed concrete pump car, wherein, concrete piston is by piston body, guide ring, seal, piston head core and location dish
Composition.
A kind of towed concrete pump car, wherein, hopper includes hopper body, upper bucket body, screen cloth, rear wall plate and bin gate, left and right
Side plate with circular hole is for installing rabbling mechanism, and rear wall plate and two concrete cylinder connections, front wallboard is connected with conveyance conduit.
A kind of towed concrete pump car, wherein, rabbling mechanism includes shaft parts, stirring bearing and sealing member thereof, stirs
Mixing spindle unit and include left shaft blade, right shaft blade, and shaft, shaft is by the bearing at two ends, bearing block and horse
Reaching seat supports, two ends, shaft left and right are equipped with multi-sealed circle.
Towed concrete pump car of the present invention has the following advantages:
1) conveniently moving, employment pushes away.Long 2.5-3m on rough estimate car.In Practical Project, due to the field of construction
Ground situation is uncertain, it sometimes appear that the condition of construction of some complexity.The space for activities such as constructed is limited, and possibly cannot be normal
Drag normal concrete pump by heavy-duty machines, the towed concrete pump car of the present invention is relatively suitable for the construction that space is less
Place, has a few individual just can move machine easily, dexterous machine is dragged to need the place of construction, simultaneously this
Sample does can also save the energy, reduces the idle waste of construction apparatus.
2) dynamical system is no longer diesel engine but has changed motor into, therefore has the saving energy, reduces the work of noise
With.Most power is all provided by diesel engine, it is well known that diesel engine can provide relatively large power, but
Having only to consider there is enough power in the design of the present invention, motor meets the power demand of pump truck of the present invention,
And also have and save manufacturing cost and save the function of use cost.Society the most increasingly advocates environmental protection now, and this is also whole
The later trend of society, motor operationally noise is little and stabilization of speed, it is most important that using during work can be again
The raw energy.
3) at conveying pipe design aspect, the pump truck of the present invention broken traditional transfer pipeline method, take conveying pipe with
The method that tower crane combines so that use convenient in Practical Project work, in hgher efficiency.And in the connection of conveying pipe
On, take the high level of synchronization of length and the tower crane carrying pipe, be so easy in Practical Project conveying pipe is installed and changed.
Utilize this system of tower crane the most cleverly, accomplish maximally utilizing existing resource.
4) transfer efficiency is high, and in the pump truck of the present invention, the path detour as far as possible following concrete delivery pipe minimizes, and subtracts
Lack the number of detour, simultaneously, also utilize this function that tower crane rotates, when concrete conveyance pump work, no longer
Need like before, need many people to move at the floor pipe of concrete in tow needing pouring by brute-force, use in the present invention
Spinfunction, it is only necessary to single manipulation, the outlet of concrete rotate to need pouring place water.
Accompanying drawing explanation
The overall structure schematic diagram (towed concrete pump car overall structure schematic diagram) of Fig. 1 towed concrete pump of the present invention car
The pump machanism schematic diagram of Fig. 2 towed concrete pump of the present invention car
Concrete piston structure schematic diagram in Fig. 3 towed concrete pump of the present invention car
Locating oil cylinder structural representation in Fig. 4 towed concrete pump of the present invention car
Hopper construction schematic diagram (hopper construction figure) in Fig. 5 towed concrete pump of the present invention car
Hopper and conveying cylinder working process schematic (agitator structure schematic diagram) in Fig. 6 towed concrete pump of the present invention car
In Fig. 7 towed concrete pump of the present invention car, (hopper shows hopper agitator structural representation with conveying cylinder working process
It is intended to)
Fig. 8 towed concrete pump of the present invention car conveying S valve arrangement schematic diagram (concrete distribution S valve arrangement schematic diagram)
Fixture schematic diagram (the concrete delivery pipe that in Fig. 9 towed concrete pump of the present invention car, conveyance conduit is connected with tower crane
The fixture schematic diagram being connected with tower crane)
In Figure 10 towed concrete pump of the present invention car, (concrete delivery pipe is connected to tower to conveying pipe with tower crane connection diagram
Hang the effect schematic diagram on crossbeam)
Detailed description of the invention
Towed concrete pump car of the present invention includes trailer platform 11, the pump machanism 12 being arranged on trailer platform, conveying pipe
Road mechanism 13.Overall structure is as shown in Figure 1.The trailer platform a length of 2.5-3 rice of the present invention.In Practical Project, due to
The field conditions of construction is uncertain, it sometimes appear that the condition of construction of some complexity.Such as, the space for activities of construction is limited, can
Normal concrete pump truck can cannot be dragged normally by heavy-duty machines.The towed concrete pump car of the present invention is relatively suitable for sky
Between less construction site, have a few individual just can easily machine be moved, be dragged to need the place of construction, do so
The energy can also be saved, reduce the idle waste of construction apparatus.
The pump machanism of towed concrete pump car of the present invention includes pumping mechanism, wiper mechanism, concrete distributor gear, hopper
And rabbling mechanism.Every part is borne by certain function.Pump machanism schematic diagram is as shown in Figure 2.Below to pump machanism each several part
Structure be described in detail.
1. pumping mechanism
Pumping mechanism is powered actuation mechanism hydraulic energy transfer being become mechanical energy, and its major function is to promote coagulation
Soil so that it is overcome the resistance of self gravitation and pipeline, concrete is shifted onto position to be poured in engineering and pours.I.e. pass through
The reciprocating motion of hydraulic cylinder drives the motion of concrete cylinder, and then the concrete in concrete cylinder is pushed to carry in pipe also
Give and certain pressure.
Pumping mechanism is by power section, water tank, and working portion composition.So-called power section is exactly master cylinder 21, work
Being concrete cylinder 23 as part, the effect of water tank 22 is to support to connect concrete cylinder 23 and master cylinder 21.As shown in Figure 2.
Master cylinder 21 is made up of cylinder body, oil cylinder piston, piston rod, piston head and buffer unit.Due to piston rod not only
Contact with fluid, but also contact with other material such as water, in order to improve the wear-resisting of piston rod and corrosion resistance, want on its surface
Plate one layer of hard chrome.
Concrete cylinder 23 rear end is connected with water tank 22, and front end is connected with hopper 27 by hopper entrance 28, and passes through hopper
Seat is fixed with paying beam, is fixed between hopper 27 and water tank 22 by pull bar.Main oil cylinder piston bar extend in concrete cylinder 23,
Front end is connected with concrete piston 24.
The structure of concrete piston 24 is as it is shown on figure 3, concrete piston 24 is made up of guide ring 32, seal 33, piston head core 34 etc..
Seal 33 is typically made with wear-resisting polyurethane, and it plays guiding, seals and the effect of delivering concrete.When needs change or
When checking concrete piston 24, the pressure oil of oil cylinder unloads from hydraulic fluid port 41, so that master cylinder 21 can return in water tank 22 always.
Locating oil cylinder 40 is with master cylinder attachment structure as shown in Figure 4.
2. wiper mechanism
Wiper mechanism refers to water tank 22, and water tank upper has lid, and opening lid can add water, and observed stage.Water tank 22 is used
Welded steel plate forms, and is tank, is again the support connector of master cylinder and conveying cylinder.During pumping mechanism work, water exists
Flowing back and forth along with the rubber piston of concrete cylinder in concrete cylinder 23 rear portion, role is each in cleaning concrete cylinder arm
After pumping, the mortar of remaining, reduces concrete cylinder 23 and the abrasion of concrete piston 24.Increase the sealing of piston rod simultaneously, prevent
The fluid that master cylinder leaks enters the pouring quality affecting concrete in concrete.Water tank can also cooling and lubricating concrete piston,
Piston rod and piston rod packing position.
3. hopper and rabbling mechanism
Speed and the transporting velocity of concrete pump that concrete transporting equipment provides to concrete pump are different, therefore material
Bucket plays intermediate regulations effect.Hopper is mainly used in storing a certain amount of concrete, it is ensured that will not be emptied during pumping system suction
And uninterrupted pumping.Agitating device in hopper carries out secondary stirring to concrete, can improve the plasticity of concrete.Except this
Outside function, another effect of agitating device is to carry out feeding to concrete valve, improves the suction efficiency of concrete.
As it is shown in figure 5, the hopper 27 of the present invention includes hopper body 51, upper bucket body 52, screen cloth 53, rear wall plate 54 and bin gate 55
Deng.Hopper body 51 forms with Plate Welding.The side plate of left and right belt circular hole is used for installing rabbling mechanism 26, its rear wall plate 54 and two
Concrete cylinder 23 connects, and front wallboard is connected with conveyance conduit 13.Screen cloth 53 round steel or steel plate strip are welded, with two rubber cushions
Connect with hopper.Screen cloth 53 is possible to prevent in concrete to enter hopper 27 more than aggregate or other foreign material of given size, reduces
Pumping failure, protects the safety of operator simultaneously.When stopping pumping, open bin gate 55, clout can be discharged and clean material
Bucket.
Bucket capacity is not the bigger the better, and hopper increases, and the deadweight of corresponding pump truck and length can increase, it has not been convenient to mobile,
So suitably volume is 0.6m3.
Rabbling mechanism includes shaft parts, stirring bearing and sealing member thereof.As shown in Figure 6.Shaft parts include a left side
Shaft blade 63, right shaft blade 65, and shaft 64.Shaft 64 is by the bearing 68 at two ends, bearing block 62 (motor base
69) support.Stirring bearing 68 uses self-aligning bearing.The outside screw being also equipped with grease nipple of bearing block 62, bearing is led in its duct
The inner chamber of seat, can be lubricated bearing during work.In order to prevent the concrete grout in hopper from entering stirring bearing 68, shaft
About 64 two ends are lubricating arrangements equipped with multi-sealed circle 67,66, and spline housing and hydraulic motor connect.When shaft 64 works,
Directly being driven by hydraulic motor 60, shaft drives stirring vane stirring.
The Main Function of rabbling mechanism is that the concrete in hopper is carried out secondary stirring, prevents it from isolating.Additionally mounted
Stirring reversible valve, during stirring, stuck vane is delayed, and hydraulic motor need to reversely rotate in time.
4. concrete distributor gear
Concrete shares out the work process as shown in Figure 7.During pump concrete, under master cylinder and distributing valve hydraulic oil cylinder driving,
If left side concrete cylinder connects with hopper, then right side concrete cylinder connects with distributing valve.If oil pressure makes left side concrete cylinder backward
Mobile, the concrete in hopper is sucked this side concrete cylinder (material sucting cylinder), oil pressure makes right side concrete cylinder piston forward simultaneously
Mobile, the concrete in this side concrete cylinder (discharge cylinder) is pushed distributing valve, is transported to cast through concrete conveying pipe existing
?.When moving to stroke terminal after the concrete cylinder piston of left side, triggering the reversing arrangement in water tank, two master cylinder oil pressure commutate,
Distributing valve oil cylinder makes distributing valve be connected with left side concrete cylinder, and this side concrete cylinder piston moves forward, and is pushed by concrete point
Joining valve, meanwhile, right side concrete cylinder connects with hopper, and makes shifting after this side concrete cylinder piston, and concrete is sucked concrete
Cylinder.After the concrete cylinder piston of left side when moving to stroke terminal, triggering reversing arrangement, oil cylinder commutates, right side concrete cylinder piston to
Front propelling movement, starts next round pumping circulation, thus realizes uninterrupted pumping concrete.Situation above is the positive pump state of concrete.
When concrete pump occurs that pumping has some setbacks, generation blocking maybe needs to suspend pump (or pump truck), by mixing in conveying pipe (or boom)
When solidifying soil draws back hopper, HYDRAULIC CONTROL SYSTEM distributing valve can be passed through, make material sucting cylinder mouth connect with conveyance conduit, so that concrete
In material suction concrete cylinder body.And be in the concrete cylinder of discharge station, then concrete is drawn back in hopper, synchronously complete suction
After material action, distributing valve commutates, and starts the next one and inhales discharging process, thus realizes the continuous cycle of operation of back suction.Situation above
Anti-pump state for concrete pump.
In concrete distributor gear, concrete distribution S valve 25 is key position, and it is positioned at hopper 27, connects concrete cylinder
23 manage with conveying, see accompanying drawing 2.It is the mechanism coordinating both parts action, directly affects the serviceability of concrete pump
And global design.The caliber of concrete distribution S valve 25 has reducing and not reducing two kinds.In fig. 8, distributing valve is by discharging opening 81 valve
Body interface 82 charging aperture 83 piston port 84 sealing device 85 and piston port 86 form.It is characterized in leaning on the pressure of concrete
Try hard to recommend the dynamic cut ring automatic-sealed mouth of pipe, good airproof performance, have stronger conveying capacity, and runner is unobstructed, be difficult to block.
Below the concrete conveying pipe mechanism of towed concrete pump car of the present invention is described in detail.
The pipe arrangement used in concrete output channel mechanism, total requirement be transporting resistance try one's best little in the case of, pipe
Road is artistically decorated generous, harmonious with car load.
Being found by research, flexible pipe can not meet pressure requirements, if whole process flexible pipe likely can make flexible pipe burst, because of
And the present invention selects the wear-resistant pipe of the most general internal diameter 125mm, select in exit flexible pipe to be easy to manpower and drag, at wear-resistant pipe
Support shaft is turned round with installing at hose connection.Draw the rotation that just can realize pipe with manpower rope, expand cast area.Due to
Each pipe installation site is different, and each conveying pipe impact and abrasion are also different, and general bend pipe is bigger than straight tube abrasion, more toward arm end
It is the least that end walks to carry pipe abrasion.But the modulus of penultimate bend pipe is maximum, and it is in addition to by general abrasion, also by coagulation
The gravitational thrusts that soil falls.Therefore, each conveying pipe should use different wear-resisting measures, makes a whole set of conveying tube lifetime tend to one as far as possible
Cause.Should try one's best on the basis of ensureing necessarily to carry latus rectum, intensity wear allowance light.Conveying pipe does not allow to increase wall thickness with outer
Footpath, otherwise can reduce the service life of jib, also affects the stability of pump truck.
Concrete delivery pipe is fixed on tower crane by towed concrete pump of the present invention Che Zhong concrete conveying pipe mechanism
On crossbeam, the jockey of conveyance conduit and tower crane is as shown in Figure 9.Choosing in conveyance conduit length, chooses every pipe joint road
Length be exactly equal to often save the height of tower crane.So choose the installation in beneficially Practical Project and use.Concrete conveyance
Pipe installing design sketch on tower crane crossbeam is as shown in Figure 10.
Rotate together with tower crane, in the end of tower crane transverse arm Yu the intersection area of vertical tower body in order to realize conveying pipe
Revolution support shaft is installed, pipeline can be reached along with tower crane synchronous rotary, efficiently solve the flexible of in casting process arm
Problem.
Parameters with regard to towed concrete pump car of the present invention illustrates below.
The control system of concrete mixer is different according to control system, is substantially divided into two kinds of forms.One is relay gas control
System processed, another kind is programmable control system (PLC).Great majority use S7-200 series and the Rhizoma Sparganii of Siemens Company at present
The FX1N-40MT-D type PLC system of company.General PLC system occurs in peripheral fault rate higher, and PLC system controls
Device spoilage is low, but pump truck working environment is relatively more severe, so spoilage is the highest.Concrete mixer in early days often uses
Rule relay circuit carries out logical analysis, complex circuit and difficult in maintenance.
Towed concrete pump car of the present invention uses single-chip computer control system.Parameters relates to as follows:
1. the choosing of concrete pumping pressure
1) pressure of pumping system delivery outlet
Towed concrete pump car of the present invention uses mainly for low floor building, is usually no more than six layers, and therefore height H presses
35 meters of calculating, length L presses 40 meters of calculating.Bend pipe, Taper Pipe, the pressure loss of flexible pipe is ignored when calculating.Total pressure is concluded
For two parts: one is that concrete overcomes self required pressure when vertical pumping, two is concrete along required for journey
The pressure loss, comprehensive computing formula afterwards is as follows:
P=ρ g H+ Δ P L
Wherein
P is the pressure of delivery outlet
ρ, by the density of delivering concrete, takes 2400kg/m3
G is acceleration of gravity, takes 9.8m/s2
H is delivery head
Δ P is that every meter of pumping distance pressure experienced is lost, and takes 0.015MPa
L is the summation that vertically pumping distance and level pump distance, and generally, vertical pumping is the 3 of level pumping
Times.
Then P=2400 × 9.8 × 35+0.015 (35 × 3+40)=2.9982MPa ≈ 3MPa
The minimum pressure of the delivery outlet output of concrete pump when the pressure now obtained is pumping system work.
2) calculating of concrete cylinder
The diameter D=200mm of concrete cylinder is chosen when design calculates.The most just can calculate piston institute in concrete cylinder
The thrust being subject to:
F=PS=P π r2=3 × 10 6 × π × (200/2) 2 ≈ 94KN
Wherein
F is the thrust in concrete cylinder suffered by piston
S is the area of piston
R is the radius of piston
3) the choosing of hydraulic cylinder
The pressure of concrete cylinder is provided by hydraulic cylinder, therefore hydraulic cylinder at least needs to provide the power of 94KN.Choose work
Plug internal diameter is 150mm, and the internal diameter of piston rod is the hydraulic cylinder of 90mm.Then have when hydraulic cylinder works:
S2=84.2cm 2=0.0084m 2
Wherein
The pressure of P1 hydraulic cylinder
F is the power that hydraulic cylinder provides at
S2 is the internal diameter of hydraulic cylinder
In view of in order to provide enough power, take P1 at this more than 11.2MPa.
2. the choosing of concrete pumping discharge capacity
Select concrete cylinder diameter D=200mm=2dm, the cylinder of L1=1250mm=12.5dm.The appearance of the most this concrete cylinder
Amass and be
Then taking the pump truck that concrete discharge capacity is Q1=60m 3/h, the commutation number of times per minute of needs is:
Wherein
Q1 is the theoretical displacement of concrete
V1 is the volume of concrete cylinder
Next step is through the parameter of hydraulic cylinder to calculate discharge capacity required when hydraulic cylinder meets working condition, obtain
The parameter of hydraulic cylinder is shown in Table one:
The major parameter of table one hydraulic cylinder
Hydraulic cylinder flow under meeting this moving condition is:
Q2=S 2L2N=S2L1N=84.2cm2 × 1250mm × 25.48=268.2L/min
Wherein
Q2 is the flow of hydraulic oil in hydraulic cylinder per minute
L2 is the impulse stroke of hydraulic cylinder
3. the choosing of hydraulic motor in stirring system
Table two standard hydraulic motor model and parameter
The motor requirements selected is low-speed big, so the hydraulic motor chosen is 1QJM1A-0.4Y, and the row of this motor
Measure 0.404.In the design, it is desirable to per minute turn 20 circle of hydraulic motor.The flow that hydraulic motor the most per minute needs is:
Q3=0.404 × 20=8.08L/min
4. the choosing of hydraulic pump
In order to meet condition choosing the rotating speed of dynamical system is 1500r/min.Needed for work system float
Amount is:
Q4=Q 2+Q3=268.2+8.08=276.82L/min
Some energy losses are had, it is ensured that system normal operation, choosing discharge capacity at this is during the work of whole oil supply system
18m3/h rated operating pressure is the plunger displacement pump of 28MPa.Citing model A10VSO18DFR1/31R-PPA12N00.
5. the choosing of dynamical system
The dynamical system of existing hydraulic test is usually diesel engine and two kinds of motor.Two kinds of systems have them each respectively
From pluses and minuses, the feature of diesel engine is to provide big power, but system is unstable, and noise is big.The feature of motor
Being to operate steadily, noise is little.The biggest power is need not, in order to reduce whole equipment in view of towed concrete pump car of the present invention
Size, choose motor.
When calculating, choose the output pressure P2=28MPa of hydraulic pump, discharge capacity V 2=18m 3/h, mechanical efficiency η 1=
When 0.95, motor efficiency η 2=0.9, the then output flow of hydraulic pump:
Q4=V 2/3600=18/3600=O.005m3/s
The output of hydraulic pump:
P=P2Q4=28 × 10 6 × 0.005=14KW
Then input general power is: P is total=and η 1 (P1/ η 2)=0.95 × 140/0.9 ≈ 164KW.
Claims (10)
1. a towed concrete pump car, including trailer platform (11), the pump machanism being arranged on trailer platform (12), conveying pipe
Road mechanism (13), it is characterised in that: pump machanism (12) includes pumping mechanism, wiper mechanism, concrete distributor gear, hopper (27)
And rabbling mechanism (26), pumping mechanism includes master cylinder (21) and concrete cylinder (23), and wiper mechanism includes water tank (22), coagulation
Soil distributor gear includes that concrete distribution S valve (25), concrete distribution S valve (25) are positioned at hopper (27), and its two ends are by even
Fitting connects concrete cylinder (23) and conveyance conduit mechanism (13), and coordinates the action of both parts.
2. towed concrete pump car as claimed in claim 1, it is characterised in that: master cylinder (21) by cylinder body, oil cylinder piston,
Piston rod, piston head and buffer unit composition, main oil cylinder piston bar extend in concrete cylinder (23), front end and concrete piston (24)
Connecting, concrete piston (24) is by piston body (31), guide ring (32), seal (33), piston head core (34) and location dish (35) group
Become.
3. towed concrete pump car as claimed in claim 1, it is characterised in that: concrete cylinder (23) rear end is with water tank (22) even
Connecing, front end is connected with hopper (27), and is fixed with paying beam by hopper, is fixed on hopper (27) and water tank (22) by pull bar
Between.
4. towed concrete pump car as claimed in claim 1, it is characterised in that: hopper (27) includes hopper body (51), upper bucket
Body (52), screen cloth (53), rear wall plate (54) and bin gate (55), the side plate of left and right belt circular hole is used for installing rabbling mechanism (26), after
Wallboard (54) connects with two concrete cylinders (23), and front wallboard is connected with conveyance conduit (13).
5. towed concrete pump car as claimed in claim 1, it is characterised in that: concrete distribution S valve is by discharging opening 81 valve body
Interface 82 charging aperture 83 piston port 84 sealing device 85 and piston port 86 form.
6. towed concrete pump car as claimed in claim 1, it is characterised in that: rabbling mechanism (26) include shaft parts,
Stirring bearing and sealing member thereof, shaft parts include left shaft blade (63), right shaft blade (65), and shaft
(64), shaft (64) supports by the bearing (68) at two ends, bearing block (62) or motor base (69), shaft (64) two ends, left and right
Equipped with multi-sealed circle (67).
7. towed concrete pump car as claimed in claim 1, it is characterised in that: during pumping system work, concrete pump defeated
Outlet output minimum pressure be 3Mpa delivery head be 35m, concrete cylinder diameter is a length of 1250mm of 200mm, concrete arrange
Amount is 60m3/h, and the output of hydraulic pump is 140kw, and the output of motor is 164kw.
8. towed concrete pump car as claimed in claim 1, it is characterised in that: the near ports of conveying pipe has an annular
Projection facilitates fixture to fix concrete delivery pipe, and conveying pipe is connected to water floor by the crossbeam on tower crane and fixture
On.
9. towed concrete pump car as claimed in claim 8, it is characterised in that: often a section of joint conveying pipe has a location
Bulge loop, is fixed on conveying pipe by positioning fixture and often saves the location crossbeam of tower crane.
10. towed concrete pump car as claimed in claim 8 or 9, it is characterised in that:, often the length of joint conveying pipe is equal to every
The height of joint tower crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648467.6A CN106193612A (en) | 2016-08-09 | 2016-08-09 | Towed concrete pump car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648467.6A CN106193612A (en) | 2016-08-09 | 2016-08-09 | Towed concrete pump car |
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| CN106193612A true CN106193612A (en) | 2016-12-07 |
Family
ID=57513987
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| CN201610648467.6A Pending CN106193612A (en) | 2016-08-09 | 2016-08-09 | Towed concrete pump car |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640141A (en) * | 2017-01-20 | 2017-05-10 | 中国铁建重工集团有限公司 | Pumping mechanism and mine-used wet spraying machine |
| CN109236603A (en) * | 2018-09-04 | 2019-01-18 | 安徽明光市瑞升机械有限公司 | A kind of concrete pump for building |
| CN109972842A (en) * | 2019-04-08 | 2019-07-05 | 青岛科尼乐集团有限公司 | A kind of inner water-tank and concrete mixer of concrete mixer |
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| GB1016816A (en) * | 1963-08-29 | 1966-01-12 | Torkret G M B H | Improvements in or relating to the cleaning of pipelines adapted to convey concrete |
| CN2286802Y (en) * | 1996-04-05 | 1998-07-29 | 杨干 | High-efficiency impact-proof concrete pump |
| CN2346950Y (en) * | 1998-09-01 | 1999-11-03 | 安良平 | Double-bunker concrete transport pump |
| CN1877121A (en) * | 2006-07-05 | 2006-12-13 | 三一重工股份有限公司 | Vehicular concrete conveying pump |
| CN104763154A (en) * | 2014-11-25 | 2015-07-08 | 李树本 | Trailer concrete pump truck |
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| CN106640141A (en) * | 2017-01-20 | 2017-05-10 | 中国铁建重工集团有限公司 | Pumping mechanism and mine-used wet spraying machine |
| CN109236603A (en) * | 2018-09-04 | 2019-01-18 | 安徽明光市瑞升机械有限公司 | A kind of concrete pump for building |
| CN109236603B (en) * | 2018-09-04 | 2020-06-05 | 安徽明光市瑞升机械有限公司 | Concrete pump for building |
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