CN205477657U

CN205477657U - Reciprocating type concrete wet blasting of cam jacking machine

Info

Publication number: CN205477657U
Application number: CN201521140701.1U
Authority: CN
Inventors: 何健
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-12-31
Filing date: 2015-12-31
Publication date: 2016-08-17
Anticipated expiration: 2025-12-31

Abstract

The utility model provides a reciprocating type concrete wet blasting of cam jacking machine, including hopper assembly, and set up the cam jacking reciprocating apparatus in the hopper assembly below, cam jacking reciprocating apparatus include the rotor block and with rotor block fixed connection's concrete jar, be provided with the piston in the concrete jar, the hinge joint piston rod, the rotor block below is equipped with circular orbit, circular orbit has decurrent concave surface and an ascending convex surface, circular orbit can be followed to the piston rod under the drive of concrete jar concave surface moves with the convex surface and can drive the piston is in up -and -down motion in the concrete jar. The concrete jar is rotatory jointly around the looks coaxial line together with it under the rotor block drives, move when locate to the concave surface along circular orbit under the drive of concrete jar when the piston rod, the piston rod drives the extremely lower of piston motion, move piston rod drive piston motion to highest point when to convex surface locate along circular orbit when the piston rod under the drive of concrete jar, through piston up -and -down motion in the concrete jar to concrete jar long -pending material has easily been avoided.

Description

The reciprocating concrete spraying machine of cam jacking

Technical field

This utility model relates to technical field of engineering machinery, especially relates to a kind of reciprocating concrete spraying of cam jacking Machine.

Background technology

Concrete sprayer is to utilize compressed air to be carried continuously along pipeline by concrete, and is ejected into what construction surface got on Machinery.It it is the capital equipment in current construction of shotcrete operation.Be widely used at present railway, highway, water conservancy, In the construction of the architectural engineerings such as building, coal, become to solve tunnel, road bank protection, building foundation pit, underground engineering temporarily and forever The preferable Work machine of supporting for a long time.

At present in gunite concrete operation, most use rotor-type concrete sprayers.And rotator type concrete Spraying machine is divided into again rotator type dry method shotcreting machine and Rator type concrete wet blasting machine.Regardless of whether be rotator type dry method shotcreting machine Or Rator type concrete wet blasting machine, all includes hopper and is arranged on the rotor disk below hopper, rotor disk is arranged over turnover Material mouth, discharging opening is connected with nozzle by Material pipeline.Wherein, rotor disk includes concrete cylinder, and the material in hopper is by charging Mouth enters in the concrete cylinder of rotor disk, is delivered to discharging opening in the rotation of concrete cylinder, then sprays through nozzle, and prior art is typically adopted With blast material sent in the concrete cylinder of rotor disk, or rely in the concrete cylinder certainly reentering rotor disk of material.Its blanking side Formula is all positioned against the above wind that adds of rotor disk and carries out blanking or lean on the deadweight of concrete to carry out blanking, and therefore its concrete cylinder is through long Meeting buildup after the work of time, thus cause equipment to work, need just can work on through long cleaning, and The dust that machine can be caused other by blast blanking is more serious.

Utility model content

The purpose of this utility model is to provide a kind of reciprocating concrete spraying machine of cam jacking, to solve prior art The problem of middle concrete cylinder buildup.

To achieve these goals, this utility model is by the following technical solutions:

The reciprocating concrete spraying machine of cam jacking that this utility model provides, including: hopper assembly, and it is arranged on institute State the cam jacking reciprocating apparatus below hopper assembly, described cam jacking reciprocating apparatus include rotor block and with described rotor Body fixes the concrete cylinder of connection, and sliding in described concrete cylinder is provided with piston, and described piston connects has piston rod, under described rotor block Side is provided with circular orbit, and described circular orbit has downward concave surface and convex surface upwards, and described piston rod is at described concrete cylinder Can move along the concave surface of described circular orbit and convex surface under driving, and described piston can be driven the most past in described concrete cylinder Multiple motion.

Further, described circular orbit includes cam under the annular overhead cam that is oppositely arranged and annular, in described annular Under cam and described annular, cam is fixedly installed in cam box；Described annular overhead cam has the first concave surface and the first convex surface, Under described annular, cam has the second concave surface and the second convex surface, the of the first concave surface of described annular overhead cam and described lower cam Two convex surfaces are oppositely arranged, and described annular the first convex surface of overhead cam is oppositely arranged with the second concave surface of described lower cam.

Further, described overhead cam is provided with annular gathering sill, and the lower end of described piston rod is stretched in gathering sill.

Further, the plane being connected between described circular orbit concave surface and convex surface is also included.

Further, concave surface and the convex surface of described circular orbit is cambered surface.

Further, the lower end of described piston rod connects has roller, described roller to be arranged on circular orbit, and can edge The concave surface of described circular orbit and convex surface motion.

Further, described concrete cylinder is multiple, circumferentially distributed along described rotor block of multiple described concrete cylinders.

Further, hopper assembly includes hopper and the vibrosieve being fixedly installed on described hopper inwall, described vibration The frequency of vibration of sieve is identical with the natural frequency of described hopper.

Further, also include being arranged on the wind mixing device above described cam jacking reciprocating apparatus, described wind mixing device Having charging aperture, the bottom of described hopper assembly is provided with discharging opening；The upper end of described concrete cylinder has material mouth；And described wind mixes Arrange on device and described hopper assembly 180 degree of directions in the same plane；

When described roller moves on described concave surface, the discharging opening phase of the material mouth of described concrete cylinder and described hopper assembly Right；When on described piston rod movement to described convex surface, the material mouth of described concrete cylinder is relative with the charging aperture of described wind mixing device.

Further, including accelerator adding set and the nozzle that is connected with described wind mixing device, described accelerator adds Feeder apparatus includes the accelerator pump being connected with described nozzle, and described accelerator pump uses plunger type metering pump.

The reciprocating concrete spraying machine of cam jacking that this utility model provides, by turning in cam jacking reciprocating apparatus Daughter axis around self under the driving of external power supply rotates, and fixes the concrete cylinder being connected with rotor block at rotor block Drive under together with rotor block axis around rotor block jointly rotate, the lower section of rotor block is provided with circular orbit, in concrete cylinder Slip is provided with piston, and piston is fixedly connected with piston rod；Concrete cylinder rotarily drive piston and the piston rod axle around rotor block Line rotates；Meanwhile, the lower end of piston rod contacts with circular orbit, and circular orbit has downward concave surface and upwards convex Face, when under the drive of concrete cylinder, annularly track moves to concave surface to piston rod, piston rod drives piston movement to lowest part； When under the drive of concrete cylinder, annularly track moves at convex surface piston rod, piston rod drives piston movement to highest point.Logical Cross piston pumping in concrete cylinder, solve concrete cylinder endogenous cause of ill and work long hours the problem of easy buildup.And pass through Piston moves back and forth in concrete cylinder and carries out pan feeding and discharging, it is to avoid dependence blast or deadweight carry out pan feeding and at machine The other problem producing dust, thus substantially improve the construction environment of operation equipment personnel, decrease dust to air simultaneously The pollution caused.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, below by right In detailed description of the invention or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below In accompanying drawing be embodiments more of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

The structural representation of the reciprocating concrete spraying machine of cam jacking that Fig. 1 provides for this utility model embodiment；

Fig. 2 is the section view of the cam jacking reciprocating apparatus 1 in the reciprocating concrete spraying machine of cam jacking shown in Fig. 1 Figure；

Fig. 3 is the expansion of the cam jacking reciprocating apparatus 1 in the reciprocating concrete spraying machine of cam jacking shown in Fig. 1 Figure.

Reference:

1-cam jacking reciprocating apparatus；2-power assembly；3-walking mechanism；

4-nozzle；5-rotary platen；6-hopper assembly；

7-accelerator adding set；8-wind mixing device；11-cam box；

12-annular overhead cam；Cam under 13-annular；14-roller；

15-piston rod；16-piston；17-concrete cylinder；

18-rotor block.

Detailed description of the invention

Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality Novel protected scope.

In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Language concrete meaning in this utility model.

Present embodiments providing a kind of reciprocating concrete spraying machine of cam jacking, Fig. 1 is that this utility model embodiment carries The structural representation of the reciprocating concrete spraying machine of cam jacking of confession；Fig. 2 is the reciprocating concrete of cam jacking shown in Fig. 1 The sectional view of the cam jacking reciprocating apparatus 1 of wet-spraying machine；Fig. 3 is in the reciprocating concrete spraying machine of cam jacking shown in Fig. 1 The expanded view of cam jacking reciprocating apparatus；In order to clearly illustrate the structure of the motion of cam jacking reciprocating apparatus, special by this Device carries out the structure launched along the bus of rotor block.As shown in figures 1 and 3, the cam jacking that the present embodiment provides is reciprocal Formula concrete spraying machine, including: hopper assembly 6, and it is arranged on the cam jacking reciprocating apparatus below described hopper assembly 6 1, described cam jacking reciprocating apparatus 1 includes rotor block 18 and fixes the concrete cylinder 17 being connected, described concrete with described rotor block 18 Sliding in cylinder 17 and be provided with piston 16, described piston 16 connects has piston rod 15, the lower section of described rotor block 18 to be provided with circular rails Road, described circular orbit has downward concave surface and convex surface upwards, and described piston rod 15 is energy under the drive of described concrete cylinder 17 Enough concave surface and convex surfaces along described circular orbit move, and described piston 16 can be driven up and down reciprocatingly to transport in described concrete cylinder 17 Dynamic.

During work, rotor block 18 axis around self under the driving of external power supply rotates, with rotor block 18 The fixing concrete cylinder 17 connected under the drive of rotor block 18 together with rotor block axis around rotor block jointly rotate, rotor block The lower section of 18 is provided with circular orbit, and sliding in concrete cylinder 17 is provided with piston 16, and piston 16 is fixedly connected with piston rod 15；Concrete cylinder 17 Rotarily drive piston 16 and piston rod 15 around rotor block axis rotate；Meanwhile, the lower end of piston rod 15 and circular orbit Contact, and circular orbit has downward concave surface and convex surface upwards, when piston rod 15 under the drive of concrete cylinder 17 annularly When track moves to concave surface, piston rod 15 drives piston 16 to move to lowest part；When piston rod 15 is under the drive of concrete cylinder 17 When annularly track moves at convex surface, piston rod 15 drives piston 16 to move to highest point.By piston 16 in concrete cylinder Pump, it is to avoid concrete cylinder 17 endogenous cause of ill works long hours and the buildup that causes.And by piston 16 in concrete cylinder 17 Move back and forth and carry out pan feeding and discharging, it is to avoid rely on blast to carry out pan feeding and at the other dust produced of machine, thus greatly Improve greatly the construction environment of operation equipment personnel, decrease the pollution that air is caused by dust simultaneously.

In the alternative of the present embodiment, as it is shown on figure 3, further, wherein, circular orbit includes being oppositely arranged Annular overhead cam 12 and annular under cam 13, and annular overhead cam 12 and annular under cam 13 be fixedly installed on cam box 11 In；Thus can ensure that the stationarity of circular orbit, will not be affected by the surrounding environment.Wherein, annular overhead cam 12 has the One concave surface and the first convex surface, the lower cam 13 of annular has the second concave surface and the second convex surface, and annular overhead cam 12 is first recessed Face is oppositely arranged with the second convex surface of cam under annular 13, the first convex surface of annular overhead cam 12 and under annular the second of cam 13 Concave surface is oppositely arranged.Under annular overhead cam 12 and annular, cam 13 together form concavo-convex alternate directed cavity, piston rod 15 Lower end is moved in this directed cavity, and when piston rod 15 moves to concave surface along circular orbit, the lower end of this directed cavity stops lives Circular orbit gone out by stopper rod 15；When piston rod 15 moves to convex surface along circular orbit, the upper end of this directed cavity stops piston Circular orbit gone out by bar 15；Thus ensure that the seriality of piston rod movement.

In the alternative of the present embodiment, as in figure 2 it is shown, further, wherein, annular overhead cam is provided with annular and leads To groove, the lower end of piston rod 15 is stretched in gathering sill.Can ensure that when piston rod 15 rotates will not deflection, only along ring The gathering sill of shape carries out regular rotation.Ensure that accuracy and the seriality of equipment operation.

In the alternative of the present embodiment, as it is shown on figure 3, further, wherein, between circular orbit concave surface and convex surface Also connect both plane domains.When concrete cylinder 17 drives piston rod 15 to rotate, piston rod 15 lower end moves to circular orbit During concave surface, piston rod 15 drives piston 16 to move downward in concrete cylinder 17, thus completes the charging stage；And piston rod 15 moves to During the convex surface of circular orbit, piston rod 15 drives piston 16 to move upward in concrete cylinder 17, thus completes the discharging stage；But live Stopper rod 15 is when circular orbit moves, and an also plane domain, this stage is material delivery phase.Piston rod 15 will not drive work Plug 16 moves in concrete cylinder 17, and now, piston 16 remains static, and does not does work.And this kind of scheme largely avoided piston 16 Movement unnecessary in concrete cylinder 17, decreases the number of times of piston 16 and concrete cylinder 17 phase mutual friction, substantially prolongs piston 16 He The service life of concrete cylinder 17.

In the alternative of the present embodiment, as depicted in figs. 1 and 2, further, the wherein concave surface of circular orbit and convex Face is cambered surface.Owing to the lower end of piston rod 15 needs to contact with concave surface and the convex surface of circular orbit, thus complete piston Drive.Preferably, concave surface and the convex surface of circular orbit have employed cambered surface, can carry out transition the most slowly.If circular orbit Concave surface and convex surface are the plane with corner angle, when piston rod 15 moves on circular orbit, can produce unnecessary collision, meeting It is substantially reduced the service life of piston rod 15 and circular orbit.

In order to reduce the frictional force between piston rod and circular orbit, it is preferable that the bottom of piston rod 15 is arranged to circular arc The shape such as shape or spheroid.Preferably, the lower end of the piston rod 15 in this example connects a roller 14.Such as Fig. 2 and Fig. 3 institute Showing, wherein, the lower end of piston rod 15 connects has roller 14, roller 14 to be arranged on circular orbit, and can be along described circular rails The concave surface in road and convex surface motion.When in circular orbit, the concave surface along cambered surface and convex surface move roller 14, when roller 14 is transported When moving circular orbit concave surface, piston rod 15 drives piston 16 to move downward in concrete cylinder 17, thus completes the charging stage；Work as rolling When wheel 14 moves to the convex surface of circular orbit, piston rod 15 drives piston 16 to move upward in concrete cylinder 17, thus completes discharging Stage.This kind of scheme substantially reduces the friction between piston rod 15 lower end and circular orbit, it is possible to when making piston rod 15 rotate Resistance reduce, greatly reduce the power consumption of equipment, improve the power factor of equipment, be greatly saved energy.

In the alternative of the present embodiment, as it is shown on figure 3, further, wherein roller 14 is hinged with piston rod 15.Its In, roller 14 can weld with piston rod 15 integral type.Preferably, in the present embodiment, use between roller 14 and piston rod 15 Hinged, owing to piston rod 15 to rotate together along with concrete cylinder 17, but also roller to be passed through 14 in circular orbit along concave surface Regular motion with convex surface also drives piston 16 to move up and down in concrete cylinder 17, inevasible, roller 14 He Piston rod 15 can occur breakage, and at this moment, roller 14 and piston rod 15 use hinged, when roller 14 breakage excessive due to friction, Directly replace roller 14, and if when there is breakage in piston rod 15, directly replace piston rod 15, without wanting All-in-one-piece replacing, is greatly saved the time used by the cost of maintenance of equipment and maintenance of equipment.And roller 14 is led in annular When intracavity moves, with annular directed cavity rolling friction, moving resistance is little.And roller 14 hinged with piston rod 15 after possess movement Advantage flexibly, will not produce crimp to directed cavity inwall.

In the alternative of the present embodiment, as shown in Figures 2 and 3, further, wherein roller 14 and circular orbit Added with lubricating oil on contact surface.Wherein, roller 14 can add water or dry type on the contact surface of annular bend, specifically, and this In embodiment, added with lubricating oil on the contact surface of roller 14 and circular orbit, roller 14 will significantly when moving in circular orbit Reducing frictional force, motion will be happier, and can avoid or reduce between roller 14 and circular orbit and produce because of friction Noise, and the service life of roller 14 and circular orbit can also be extended.

In the alternative of the present embodiment, as depicted in figs. 1 and 2, further, wherein concrete cylinder 17 is multiple, multiple Concrete cylinder 17 is circumferentially distributed along described rotor block 18.Wherein, the layout of concrete cylinder 17 can be excellent along the radial distribution of rotor block 18 Selection of land, in the present embodiment, multiple concrete cylinders 17 along the circumferentially distributed of rotor block 18 and are uniformly distributed.Thus can reduce rotor block The 18 extra rotation impacts brought because of concrete cylinder 17 skewness when rotating, thus cause the unknown failure of equipment.

In the alternative of the present embodiment, as it is shown in figure 1, wherein, hopper assembly 6 includes infundibulate hopper and is fixed on Vibrosieve on its funnel；Wherein the shape of hopper can be circular, square, oval etc., it is preferable that the material in the present embodiment Bucket is shaped as infundibulate, and this kind of design can increase the charge of hopper, can guarantee that again added material can enter into easily In equipment.And, the frequency of vibration of the vibrosieve in the present embodiment is identical with the natural frequency of hopper, thus can increase vibration Amplitude, thus strengthen the vibration amplitude of vibrosieve, thus the concrete material in its hopper played the effect of auxiliary stirring, with Time concrete material can also be stoped to be bonded in hopper thus cause the obstruction of hopper.

In the alternative of the present embodiment, as it is shown in figure 1, wherein, cam jacking reciprocating apparatus 1 be arranged over wind Mixing device 8, wind mixing device 8 is provided with charging aperture, and feed hopper bottom is provided with discharging opening, and the top of concrete cylinder 17 has turnover thing Material mouth；When roller 14 moves to the concave surface of circular orbit, the material mouth above concrete cylinder 17 is just relative with the discharging opening of hopper, And roller 14 drives piston 16 to move downward by piston rod 15, now can carry out pan feeding, and material can be inhaled into concrete cylinder In 17, it it also it is the pan feeding stage；When roller 14 moves to the convex surface of circular orbit, the material mouth above concrete cylinder 17 just mixes with wind The charging aperture of device 8 is relative, and roller 14 drives piston 16 to move upward by piston rod 15, and material is pushed into wind mixing device In 8, now can carry out discharging, also for the discharging stage.

In the alternative of the present embodiment, as it is shown in figure 1, wherein, accelerator adding set 7 and the spray of wind mixing device 8 Mouth 4 connects, and wherein the accelerator pump of accelerator adding set 7 can be screw pump, centrifugal pump etc., it is preferable that in the present embodiment Plunger type metering pump taked by accelerator pump so that it is the interpolation of accelerator is more uniform, stable.And arrange multiple in pipeline Check valve connects, thus ensures that the adding procedure of accelerator is safer, efficiently.Accelerator in accelerator case, passes through plunger type The extraction of the equal and quantitative of dosing pump, then by the multiple check valves in pipeline, is then injected directly into the nozzle 4 of wet-spraying machine Place, is ejected in construction surface together with the concrete in nozzle 4.Accelerator owing to leaking can be to the health of operator Threaten, particularly skin and eyes.So just having used plunger type metering pump and the combination application of multiple check valve thereof.

In the alternative of the present embodiment, as it is shown in figure 1, the design of rotary platen therein 5, when concrete cylinder 17 or its In piston 16 due to abrasion need to change time, rotary platen 5 can be directly rotated on the position of opposite direction 180 degree, makes clearly Wash dismounting enhanced convenience when concrete cylinder 17 and maintenance of equipment, laborsaving, also save maintenance concrete cylinder 17 and piston 16 etc. thereof simultaneously Time used by parts.

Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new The scope of type each embodiment technical scheme.

Claims

1. the reciprocating concrete spraying machine of cam jacking, it is characterised in that including: hopper assembly, and it is arranged on described Cam jacking reciprocating apparatus below hopper assembly, described cam jacking reciprocating apparatus include rotor block and with described rotor block The fixing concrete cylinder connected, slides in described concrete cylinder and is provided with piston, and described piston connects piston rod, the lower section of described rotor block Being provided with circular orbit, described circular orbit has downward concave surface and convex surface upwards, the lower end of described piston rod and described ring Shape rail contact, described piston rod can move along the concave surface of described circular orbit and convex surface under the drive of described concrete cylinder, and Described piston can be driven to pump in described concrete cylinder.

The reciprocating concrete spraying machine of cam jacking the most according to claim 1, it is characterised in that described circular orbit bag Including cam under the annular overhead cam and annular being oppositely arranged, under described annular overhead cam and described annular, cam is fixedly installed on convex In roller box；Described annular overhead cam has the first concave surface and the first convex surface, and under described annular, cam has the second concave surface and second Convex surface, described annular the first concave surface of overhead cam is oppositely arranged with the second convex surface of described lower cam, described annular overhead cam First convex surface is oppositely arranged with the second concave surface of described lower cam.

The reciprocating concrete spraying machine of cam jacking the most according to claim 2, it is characterised in that set on described overhead cam Annular gathering sill, the lower end of described piston rod is had to stretch in gathering sill.

The reciprocating concrete spraying machine of cam jacking the most according to claim 1, it is characterised in that also include being connected to institute State the plane between circular orbit concave surface and convex surface.

The reciprocating concrete spraying machine of cam jacking the most according to claim 1, it is characterised in that described circular orbit Concave surface and convex surface are cambered surface.

6. according to the reciprocating concrete spraying machine of cam jacking according to any one of claim 1-5, it is characterised in that described The lower end of piston rod connects has roller, described roller to be arranged on circular orbit, and can along the concave surface of described circular orbit and Convex surface moves.

The reciprocating concrete spraying machine of cam jacking the most according to claim 1, it is characterised in that described concrete cylinder is many Individual, circumferentially distributed along described rotor block of multiple described concrete cylinders.

The reciprocating concrete spraying machine of cam jacking the most according to claim 1, it is characterised in that hopper assembly includes material Bucket and the natural frequency of the vibrosieve being fixedly installed on described hopper inwall, the frequency of vibration of described vibrosieve and described hopper Identical.

The reciprocating concrete spraying machine of cam jacking the most according to claim 6, it is characterised in that also include being arranged on institute Stating the wind mixing device above cam jacking reciprocating apparatus, described wind mixing device has charging aperture, and the bottom of described hopper assembly sets There is discharging opening；The upper end of described concrete cylinder has material mouth；And described wind mixing device and described hopper assembly are in the same plane Arrange on 180 degree of directions；

When described roller moves on described concave surface, the material mouth of described concrete cylinder is relative with the discharging opening of described hopper assembly； When on described piston rod movement to described convex surface, the material mouth of described concrete cylinder is relative with the charging aperture of described wind mixing device.

The reciprocating concrete spraying machine of cam jacking the most according to claim 9, it is characterised in that include that accelerator adds Feeder apparatus and the nozzle being connected with described wind mixing device, described accelerator adding set includes the rapid hardening being connected with described nozzle Agent pump, described accelerator pump uses plunger type metering pump.