CN201120662Y

CN201120662Y - Horizontal concrete spraying machine

Info

Publication number: CN201120662Y
Application number: CNU200720092049XU
Authority: CN
Inventors: 朱明方; 郭红亮
Original assignee: HENAN GENGLI ELECTROMECHANICAL DEVELOPMENT Co Ltd
Current assignee: HENAN GENGLI ELECTROMECHANICAL DEVELOPMENT Co Ltd
Priority date: 2007-09-29
Filing date: 2007-09-29
Publication date: 2008-09-24
Anticipated expiration: 2017-09-29

Abstract

Disclosed is a horizontal type concrete spraying machine. A rotor material hopper and the central rotary shaft of the rotor material hopper are arranged horizontally; a plurality of material cavities are arranged around the outer circumference of the central rotary shaft; the material cavities are concave groove material cavities that a plurality of groove openings are arranged on the circumference surface and the length direction of the groove openings extends along the axial direction; the feeding mechanism also comprises a cylinder shell-shaped stator which is nested on the periphery of the concave groove material cavities of the rotor material cavity and is fixed on the frame; seal devices are arranged on the joint places of the circumference surface and the end surface of the rotor material cavity and the stator; a feeding inlet matched with the material hopper is arranged on the upper part of the circumference of the stator; an air inlet pipe and a discharging pipe are inserted into the inner side of the stator to be conducted and matched with the same concave groove material cavity of the rotor material cavity. The groove opening of the concave groove material cavity of the horizontal type concrete spraying machine has lager area so that the concrete has short time operation time in the material cavity and can be discharged smoothly without jamming the discharge outlet of the material hopper; the faster feeding and discharge speed is obtained due to the large area of the groove opening; the capacity of the concave groove material cavity of the horizontal type spraying machine can be enlarged correspondingly; thereby, the construction efficiency is improved greatly.

Description

Horizontal type concrete spraying machine

Technical field

The utility model relates to the wet method concrete shotcrete machine, especially a kind of horizontal type concrete spraying machine.

Background technology

The core component of the feeding mechanism of existing concrete rotator type wet method pulp shooting machine is rotor material chamber, the pipe that has vertical equal opening up and down on the circumference in rotor material chamber is as the material chamber, in the top underrun in rotor material chamber, the lower seal plate seals, have the charging aperture corresponding on the upper sealing panel with the pipe bore, the corresponding hopper feed opening in charging aperture top, have the discharging opening corresponding on the lower seal plate with the pipe bore, connect discharge nozzle on the discharging opening, on the upper sealing panel directly over the discharging opening, also be provided with the air intake pipeline, pulp shooting machine is when operation, rotor material chamber is rotated by driven by motor, the concrete material through vibration in the hopper enters in each pipe in rotor material chamber one by one by the feeding mouth on the upper sealing panel, be filled with concrete pipe when rotating the arrival discharging opening, the concrete in the pipe is blown out by discharging opening by compressed air in the air intake pipeline and sprays from discharge nozzle.The concrete carrying material chamber in the rotor material chamber of this pulp shooting machine is a pipe, the bore that has pipe material chamber now for preventing to leak gas is all less than its height, this causes the speed of input and output material of pipe upper and lower opening slower, in order to guarantee that concrete can in time fill up pipe material chamber and therefrom discharge, can only exchange the raising of input and output material speed with the cost of dwindling the material cavity volume for, the charging aperture in pipe material chamber is easily by the concrete enclosing of the thickness at hopper discharging opening place in addition, cause the air in pipe material chamber to discharge, make concrete material more difficult to get access chamber, the fault of construction in rotor material chamber causes the lower and easy obstruction of the operating efficiency of existing rotator type wet method pulp shooting machine.The charging and discharging mouth is opened on the sealing plate in addition; the concrete that leaks during input and output material is with regard between the end face that is easy to enter sealing plate and rotor material chamber and the wearing and tearing of aggravation sealing plate; existing pulp shooting machine needs the frequent sealing plate of changing; and needing to shut down replacing, this not only is unfavorable for construction but also has strengthened use cost.

The utility model content

The purpose of this utility model is to provide a kind of rotor material chamber input and output material speed piece, easy accessibility, the tight durable horizontal type concrete spraying machine of seal sealing.

The technical solution of the utility model is: horizontal type concrete spraying machine, comprise feeding mechanism and the driving mechanism of power is provided and provides compressed-air actuated compressed air pump to feeding mechanism to feeding mechanism, described feeding mechanism comprises that frame and rotation are assemblied in the rotor material chamber that is in transmission connection with driving mechanism on the frame, described rotor material chamber is to constitute by the central rotating shaft that is in transmission connection with driving mechanism with around a plurality of material cavitys of central rotating shaft setting, also be provided with on the feeding mechanism with rotor material chamber in the blast pipe of material cavity conducting, discharge nozzle, hopper, blast pipe is connected with compressed air pump by pipeline, described rotor material chamber and central rotating shaft thereof are provided with for flat crouching, the material cavity that is located on the central rotating shaft peripheral circumferential is that a plurality of notches are opened on the periphery, the groove type material cavity that the notch length direction extends vertically, described feeding mechanism also comprises the stator that is fixed in the barrel shell shape on the frame of each the groove type material cavity periphery that is set in rotor material chamber, the periphery in rotor material chamber and the junction of end face and stator are provided with sealing device, stator circumference top offers the feeding mouth that cooperates with hopper, described blast pipe, discharge nozzle feeds stator interior and cooperates with the corresponding conducting of same groove type material cavity in rotor material chamber.

Described stator is fixedly to form by the upper and lower stator of two semi-circumference barrel shell shapes is involutory, and last stator circumference is provided with charging aperture and is communicated with hopper, and blast pipe, discharge nozzle are located at down on the axis of bottom of stator.

Be provided with circumference or semi-circumference sealing shroud between the periphery of described stator down and rotor, the inner surface of sealing cover cooperates along end face seal with the groove mouth of groove type material cavity, the outer surface of semi-circumference sealing shroud is fixed on the stator inner wall, and the position of the corresponding blast pipe in the bottom of semi-circumference sealing shroud, discharge nozzle is respectively equipped with opening.

Described sealing shroud is the semi-circumference sealing shroud, is fixed with the semi-circumference neck bush corresponding with the semi-circumference sealing shroud on the last stator inner wall, and the semi-circumference sealing shroud press-fits between the Lower Half of the inwall of semi-circumference neck bush and stator.

Be provided with the sealing adjustment sheet of the distance of shaft centers of adjustable sealing cover between the outer surface of described semi-circumference sealing shroud and the stator, be installed with the adjustment screw that the sealing adjustment sheet is touched in stator interior, termination under a plurality of reeves on the described stator circumference down, the termination of each adjustment screw is evenly distributed on the sealing adjustment sheet.

Described sealing adjustment sheet has two, is relatively arranged on down on the internal face of stator both sides.

The bottom thickness of described semi-circumference sealing shroud is greater than lateral thickness.

Be connected with the sleeve pipe that stretches into respectively in blast pipe, the discharge nozzle on the bottom opening of described semi-circumference sealing shroud.

The notch of each groove type material cavity in rotor material of the present utility model chamber is opened on the circumference, this notch can be simultaneously as feed inlet and outlet and air inlet, with advancing of the circular pipe type material chamber in existing pulp shooting machine rotor material chamber, the structure that discharging opening is oppositely arranged is compared, the notch area in groove type material of the present utility model chamber is bigger, concrete is shorter the running time in the material chamber, the utility model is when work, air in the groove can be discharged by rapid feeding bucket when concrete enters, make the concrete blanking smoothly and can not stop up the feed opening of hopper, accordingly when discharging, under the situation that guarantees rotor material chamber and seal stator, the concrete material in the groove type material cavity can be compressed air and blow out from discharge nozzle; Owing to the notch area obtains input and output material speed faster greatly, the volume of groove type material cavity of the present utility model can correspondingly increase, thereby efficiency of construction is improved greatly.

The utility model is made the branch body structure of upper and lower two halves with stator, only needs stator under the dismounting and does not need to remove rotor changing circumference or semi-circumference sealing shroud, and the branch body structure of upper and lower two halves is also very convenient when the plug-in mounting feeding mechanism.

The utility model is because the variation of feed inlet and outlet position in addition, corresponding seal approach is mainly circumferential sealing, for realizing circumferential sealing closely, the utility model is fixed with circumference or semi-circumference sealing shroud between the periphery of stator and rotor, and the distance of shaft centers of sealing shroud is adjustable, make sealing shroud after using a period of time wear down, rely on and regulate distance of shaft centers and still can keep and the combining closely of rotor.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural representation of the utility model drawing-in device;

Fig. 3 is the A-A cutaway view of Fig. 1.

The specific embodiment

As Fig. 1～shown in Figure 3, frame 1 of the present utility model is provided with feeding mechanism, transmission mechanism, compressed air pump 20, transmission mechanism is to constitute by motor 18 and with motor 18 spindle drive connection reducers 19, the output shaft of decelerator 19 is connected with the spindle drive of feeding mechanism, and compressed air pump 20 is connected with the blast pipe 5 of feeding mechanism by pipeline.

Feeding mechanism comprises and keeps flat the columnar stator that is fixed on the frame 1, the stator both ends of the surface outside is fixed with two bearing blocks 2 on

frame

1,3, the two ends that rotation is assemblied in the rotating shaft in the rotor material chamber 7 in the stator are installed in diaxon bearing 2 by bearing, in 3, stator is by last, on following two semi-circumference barrel shell shapes, following

stator

21,22 involutoryly fixedly form, the two ends of stator also are fixed with

end cap

31,32,

end cap

31,32 and the end face in rotor material chamber 7 between be fixed with sealing ring 17, the top of last stator 21 is provided with charging aperture and is communicated with hopper 4, the bottom of following stator 22 is equipped with the blast pipe 5 of setting feeding stator interior on an axis, discharge nozzle 6, be rotatably equipped with rotor material chamber 7 in the stator, rotor material chamber 7 is to constitute by central rotating shaft 8 with around the equally distributed a plurality of groove type material cavitys 9 of central rotating shaft, the two ends of the central rotating shaft 8 in rotor material chamber 7 are assemblied in bearing block 2 by bearing, in 3, each groove type material cavity 9 is to reach the arcuate recess base plate 91 that connects between the cell wall plate 92 in twos by radial radial slot wallboard 92 to constitute, extend vertically the arch bottom surface of arcuate recess base plate 91, cell wall plate 92 is connected in the both sides of arcuate recess base plate, and the arch base at arcuate recess base plate 91 two ends is along extending out to vertically on the circumference in rotor material chamber 7 respectively, and respectively with following stator 22 on blast pipe 5, the inner spout corresponding matching of discharge nozzle 6.

Respectively be provided with a slice sealing adjustment sheet 13 on the internal face of following stator 22 relative both sides, being installed with a plurality of terminations on the excircle of following stator 22 injects inwall and is fixed on the adjustment screw 12 that seals on the adjustment sheet 13, each adjustment screw 12 is evenly distributed on the sealing adjustment sheet 13 so that it is stressed evenly, be equipped with and the corresponding semi-circumference sealing shroud 10 of following stator 22 inner wall shape on the sealing adjustment sheet 13, for preventing gas leakage, the circumferential span of semi-circumference sealing shroud 10 should be at least greater than the width of the groove type material cavity 9 in two rotor material chambeies 7.The groove mouth of the inner surface of two semi-circumference sealing shrouds 10 and rotor material chamber 7 concave slot type material cavitys 9 is sealed and matched along face, the center of circle of the inner surface place circumference of semi-circumference sealing shroud 10 is a little more than the axle center, so that near the thickness the bottom of the inner surface of semi-circumference sealing shroud 10 is slightly larger than lateral thickness, it is this that design is not to reduce compressed-air actuated leakage in order to strengthen stator 22 bottoms sealing down to the heart, the corresponding blast pipe 5 in the bottom of semi-circumference sealing shroud 10, the position of discharge nozzle 6 is respectively equipped with opening, and is connected with on opening and stretches into blast pipe 5 respectively, sleeve pipe 15 in the discharge nozzle 6,16.But move to rotor material chamber 7 by adjustment screw 12 pushing tow circumferential sealing bodies 10, thrust in the time of can regulating work between circumferential sealing body 10 and the rotor material chamber 7, add neck bush 11 on the inwall of last stator 21, be fixed together with following stator 22 make-ups and the pin by both sides again after last stator 21 fastens with neck bush 11, semi-circumference sealing shroud 10 is press-fited between neck bush 11 and following stator 21.

Last stator in the foregoing description also can increase its thickness when making and not need to install additional neck bush.

Claims

1, horizontal type concrete spraying machine, comprise feeding mechanism and the driving mechanism of power is provided and provides compressed-air actuated compressed air pump to feeding mechanism to feeding mechanism, described feeding mechanism comprises that frame and rotation are assemblied in the rotor material chamber that is in transmission connection with driving mechanism on the frame, described rotor material chamber is to constitute by the central rotating shaft that is in transmission connection with driving mechanism with around a plurality of material cavitys of central rotating shaft setting, also be provided with on the feeding mechanism with rotor material chamber in the blast pipe of material cavity conducting, discharge nozzle, hopper, blast pipe is connected with compressed air pump by pipeline, it is characterized in that: described rotor material chamber and central rotating shaft thereof are provided with for flat crouching, the material cavity that is located on the central rotating shaft peripheral circumferential is that a plurality of notches are opened on the periphery, the groove type material cavity that the notch length direction extends vertically, described feeding mechanism also comprises the stator that is fixed in the barrel shell shape on the frame of each the groove type material cavity periphery that is set in rotor material chamber, the periphery in rotor material chamber and the junction of end face and stator are provided with sealing device, stator circumference top offers the feeding mouth that cooperates with hopper, described blast pipe, discharge nozzle feeds stator interior and cooperates with the corresponding conducting of same groove type material cavity in rotor material chamber.

2, horizontal type concrete spraying machine according to claim 1, it is characterized in that: described stator is fixedly to form by the upper and lower stator of two semi-circumference barrel shell shapes is involutory, last stator circumference is provided with charging aperture and is communicated with hopper, and blast pipe, discharge nozzle are located at down on the axis of bottom of stator.

3, horizontal type concrete spraying machine according to claim 2, it is characterized in that: be provided with circumference or semi-circumference sealing shroud between the periphery of described stator down and rotor, the inner surface of sealing cover cooperates along end face seal with the groove mouth of groove type material cavity, the outer surface of semi-circumference sealing shroud is fixed on the stator inner wall, and the position of the corresponding blast pipe in the bottom of semi-circumference sealing shroud, discharge nozzle is respectively equipped with opening.

4, horizontal type concrete spraying machine according to claim 3, it is characterized in that: described sealing shroud is the semi-circumference sealing shroud, be fixed with the semi-circumference neck bush corresponding with the semi-circumference sealing shroud on the last stator inner wall, the semi-circumference sealing shroud press-fits between the Lower Half of the inwall of semi-circumference neck bush and stator.

5, horizontal type concrete spraying machine according to claim 4, it is characterized in that: the sealing adjustment sheet that is provided with the distance of shaft centers of adjustable sealing cover between the outer surface of described semi-circumference sealing shroud and the stator, be installed with the adjustment screw that the sealing adjustment sheet is touched in stator interior, termination under a plurality of reeves on the described stator circumference down, the termination of each adjustment screw is evenly distributed on the sealing adjustment sheet.

6, horizontal type concrete spraying machine according to claim 5 is characterized in that: described sealing adjustment sheet has two, is relatively arranged on down on the internal face of stator both sides.

7, according to claim 3 or 4 or 5 described horizontal type concrete spraying machines, it is characterized in that: the bottom thickness of described semi-circumference sealing shroud is greater than lateral thickness.

8, horizontal type concrete spraying machine according to claim 7 is characterized in that: be connected with the sleeve pipe that stretches into respectively in blast pipe, the discharge nozzle on the bottom opening of described semi-circumference sealing shroud.