CN215661006U - Mixing device and concrete wet spraying machine using same - Google Patents

Abstract

The utility model provides a mixing arrangement and use this mixing arrangement's concrete wet blasting machine, relate to engineering machine tool technical field, mainly used is with the accelerator, compressed air and concrete mix, make the concrete after mixing spout can condense rapidly after the object surface, compressed gas and accelerator realize once mixing in the inside of valve plate, the mixed medium of formation is carried to the distributor through first hole, the mixed medium gets into the annular cavity of distributor through the joint body, and inside getting into the blender through the through-hole, the mixed medium carries out the secondary with the concrete in the blender. The device that this application provided has advantages such as mixing efficiency height, mixing quality are good, the delivery pressure loss is little.

Description

Mixing device and concrete wet spraying machine using same

Technical Field

The utility model relates to a concrete wet blasting machine technical field, specifically relate to a mixing arrangement and use this mixing arrangement's concrete wet blasting machine.

Background

The wet concrete sprayer is an engineering machine which utilizes hydraulic pressure to convey the ready-mixed concrete mixture to spray gun through pipeline, and the compressed air and accelerating agent are connected into the nozzle to spray the mixture onto the sprayed surface at high speed, and then the mixture is quickly coagulated and hardened to form concrete supporting layer. The mixer of the concrete wet spraying machine is used for mixing the accelerating agent, the compressed air and the concrete, so that the mixed concrete can be quickly condensed after being sprayed on the surface of an object, and the concrete is prevented from falling off from the surface of the fixed object; it follows that the configuration of the mixer determines the quality of the mix of the accelerator, compressed air and concrete; therefore, the construction of concrete wet-jet mixers is of critical importance.

Some technical solutions related to concrete wet-spraying machine mixers have been described in the prior art, for example, the publication number is: the utility model of CN208793012U discloses a concrete wet spraying machine accelerator mixing device, and specifically discloses a concrete wet spraying machine accelerator mixing device, which comprises a concrete nozzle, a gas nozzle, an accelerator inlet pipe, an inner sleeve and an outer sleeve, wherein one end of the gas nozzle is connected with the inner sleeve, and the other end of the gas nozzle is connected with a gas source which is used for providing pressure gas; the inner sleeve is communicated with an outlet at one side of the concrete nozzle through a connecting pipe; the inner sleeve is embedded in the outer sleeve, one end of the outer sleeve is connected with the gas nozzle, and the other end of the outer sleeve is connected with the connecting pipe; one end of the accelerator inlet pipe is connected with external accelerator supply equipment, and the other end of the accelerator inlet pipe is communicated with an inlet at one side of the jacket; a plurality of small holes are distributed on the end surface of one side of the inner sleeve connected with the gas nozzle. According to the technical scheme, the mixing device adopts a two-stage progressive bypass pipeline structure, wherein a first-stage bypass pipeline is formed by taking a concrete nozzle as an assembly reference, a connecting pipe for feeding an air source into the concrete nozzle is bypassed on the concrete nozzle, and the connecting pipe is sequentially connected with an inner sleeve, an outer sleeve and a gas nozzle connected with one end of the outer sleeve through a clamp; second level bypass pipeline overcoat is the assembly benchmark, set up on the overcoat and be used for carrying the accelerator to overcoat inner chamber A be used for with the second connecting pipe of overcoat inner chamber A internal gas mixture, the aperture B that sets up on the overcoat finally sprays the accelerator evenly to the inner chamber C of endotheca, realize the mixture of gas and accelerator, and carry out the secondary by the connecting pipe in getting into the concrete nozzle, in the mixing process of gas and accelerator, the diameter that diminishes from the entry to the export from the aperture on the endotheca, make in the overcoat coagulant sprayed on the central line of endotheca, realize that gas nozzle sprays pressure gas breaks up, and then realize the gas mixing of gas and accelerator. The drawbacks of this construction, known in conjunction with the drawings thereof, are: although the second connecting pipe hose is a hose, the joint adopted by the connection of the second connecting pipe hose and the outer sleeve can be directly and unambiguously determined as an elbow pipe joint, and the connecting pipe is also connected in the form of the elbow pipe joint; therefore, the elbow joints of the two have to be constructed to cause an on-way pressure loss to the gases being transported by each, resulting in a reduction in mixing efficiency.

From the technical scheme that discloses at present, the mixing arrangement of concrete wet blasting machine still has the conveying pressure loss big, mixing efficiency low grade problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to big, the mixing efficiency low scheduling problem of concrete wet blasting machine mixing arrangement delivery pressure loss among the prior art, provide a mixing arrangement and use this mixing arrangement's concrete wet blasting machine, this mixing arrangement mainly used mixes accelerator, compressed air and concrete, can condense rapidly after making the concrete after mixing spray the object surface, this mixing arrangement has advantages such as mixing efficiency is high, mixing quality is good, delivery pressure loss is little.

The conception of the present disclosure is to provide a mixing device, including a distributor and a mixer, the distributor is provided with a port plate outside, the port plate is used for mixing a gas medium and a liquid medium for the first time, the distributor is used for conveying the mixed medium after the first mixing to the mixer for the second mixing, and the mixing efficiency and the mixing quality are improved.

Further, another idea of the present disclosure is that the mixer is provided with a flow dividing portion, so that the mixed medium enters the mixing device through the flow dividing portion, and further the mixed medium and the concrete inside the mixing device are secondarily mixed, thereby improving mixing efficiency and mixing quality.

Further, another idea of the present disclosure is that the flow dividing portion includes a through hole provided on the mixing device housing, a central axis of the through hole and a central axis of the mixer have an intersection point in one plane, and an angle formed by two rotation axes is changed by changing a position of the through hole, so that the through hole is not easily blocked, and mixing efficiency is improved.

Furthermore, another design of the present disclosure is that two joint bodies are symmetrically arranged outside the distributor housing, the central axis of the joint body and the horizontal line form an included angle in the same plane, the angle of the included angle is changed by changing the arrangement position of the joint body, so that the joint body is not blocked, and meanwhile, the mixed medium is prevented from being vertically sprayed to the mixed body, thereby avoiding abrasion to the mixed body.

The mixing device mainly is used for mixing an accelerator, compressed air and concrete to enable the mixed concrete to be quickly coagulated after being sprayed on the surface of an object, and particularly comprises a distributor and a mixer, wherein the distributor is arranged on the mixer and used for conveying a mixing medium to the mixer, and the concrete in the mixer is mixed with the mixing medium;

the blender is provided with reposition of redundant personnel portion, reposition of redundant personnel portion is used for making mixed medium get into in the blender and mixes with the concrete.

This technical scheme is used for carrying the mixed medium to the blender through setting up the distributor to set up reposition of redundant personnel portion on the blender, make the mixed medium can get into the blender through reposition of redundant personnel portion, and mix with the concrete in the blender, improved mixing efficiency and mixing quality greatly.

In some embodiments, a mixing sleeve body is arranged outside the mixer, two ends of the mixing sleeve body are respectively provided with a protruding portion, a first elastic sleeve is wrapped outside the mixing sleeve body, a gap exists between the first elastic sleeve and the protruding portion to form a first groove, and the first groove is used for placing a clamp.

Further, a second groove is formed in the first elastic sleeve and used for placing a sealing ring, and the sealing ring is used for enabling the distributor to be arranged on the mixer in a sealing mode.

Furthermore, the shunting part penetrates through the first elastic sleeve piece, the mixing sleeve body and the mixer, and the shunting part is arranged at the connecting part of the distributor and the mixing sleeve body, so that the mixed medium in the distributor enters the mixer through the shunting part.

In some embodiments, the material of the mixing sleeve body is alloy structural steel.

This technical scheme is used for protecting the blender through setting up the mixing sleeve body, through set up bellying and first elasticity external member outside the mixing sleeve body to the two has the space to form first recess, and first recess is used for placing the clamp just, saves installation space, increases the convenience and the stability of device installation. On the other hand, the second groove for installing the sealing ring is arranged on the first elastic sleeve, so that the inner surface of the distributor is in sealing connection with the outer surface of the mixer, mixed medium leakage is prevented, the shunting part is arranged at the part of the distributor, which is in contact with the first elastic sleeve, and the mixed medium in the distributor can smoothly enter the mixer through the shunting part to be mixed with concrete.

In some embodiments, the shunt portion includes a first thread disposed external to the first elastomeric sleeve.

Further, the shunt part comprises at least one through hole, and the through hole penetrates through the mixer, the mixing sleeve body and the first elastic sleeve;

the through-hole is provided with entry end and exit end, the entry end sets up at first elasticity external member surface, the exit end sets up at the blender internal surface.

Further, the inlet end is disposed at the bottom of the first thread.

In some embodiments, the central axis of the through bore intersects the central axis of the mixer to form an included angle β.

Further, the included angle β is in a range of 30 ° to 45 °.

This technical scheme is through setting up first screw thread in first elasticity external member outside to set up the through-hole entry end in first screw thread bottom, shorten the route that the mixed medium got into the blender, reduce along journey pressure loss. On the other hand, the included angle beta is set to be 30-45 degrees, at the moment, the mixed medium is sprayed out from the through hole and just jets to the central axis of the mixer to be completely mixed with the concrete passing through the mixer, and due to the arrangement of the included angle, the through hole is not easy to block, so that the mixing efficiency and the mixing quality are greatly improved.

In some embodiments, the dispenser includes a housing and a connector body disposed on the housing, the connector body in communication with the housing.

Furthermore, the number of the joint bodies is two, and the joint bodies are arranged on the shell in a central symmetry mode.

Furthermore, the central axis of the joint body intersects with the horizontal plane to form an included angle alpha, and the included angle alpha ranges from 2 degrees to 3 degrees;

the cavity of the joint body and the communicating part of the shell is basically oval.

Furthermore, the cross-sectional area of the cavity is larger than that of the inlet end face of the joint body.

In some embodiments, the fitting body end is provided with a second thread for connecting a line;

the inner wall of the joint body is further provided with a second elastic piece, the inner cavity of the shell is provided with a third elastic piece, and the second elastic piece is communicated with the third elastic piece.

The mixed medium gets into the casing inner chamber through the joint body among this technical scheme, form annular flow channel at the casing inner chamber, the cross sectional area of the cavity that sets up joint body and casing intercommunication part is greater than joint body entry cross sectional area, can not cause mixed medium to block up, and because the central axis that sets up the joint body is formed with the contained angle alpha of 2 to 3 within ranges with the horizontal plane, the mixed medium vertical injection to the blender in having avoided the distributor, avoid causing the wearing and tearing to the mixture body, more be favorable to mixed medium's inflow.

In some embodiments, the mixing device further comprises a port plate disposed outside the dispenser, the port plate for media mixing.

Further, the valve plate comprises a first inner hole and a second inner hole, and the first inner hole and the second inner hole are arranged inside the valve plate;

the first inner hole is arranged on the rotating axis of the valve plate, and the first inner hole extends towards the interior of the valve plate along the rotating axis of the valve plate;

the second inner hole is arranged on the side wall of the valve plate, the second inner hole extends to the central point of the valve plate, the second inner hole is communicated with the first inner hole, and the first inner hole and the second inner hole are converged at the central point of the valve plate.

Furthermore, the number of the second inner holes is at least two, and the second inner holes are uniformly distributed on the side wall of the port plate.

In some embodiments, mixing of a gaseous medium and a liquid medium to form a mixed medium is achieved within the port plate.

Further, the gas medium is compressed air, and the liquid medium is an accelerator.

In some embodiments, the second bore outer end is provided with a third thread for a pipeline connection.

This technical scheme realizes once mixing of medium through setting up the valve plate, and compressed air and accelerator get into the valve plate through the second hole respectively, form mixed medium after accomplishing once mixing with the part that first hole link up, and this mixed medium is discharged from first hole and is got into the distributor. Compressed gas and accelerator mix once inside the valve plate now, and the mixed medium that forms is carried to the blender through the distributor, and the mixed medium carries out the secondary with the concrete in the blender and mixes, has improved the mixing quality greatly, and the concrete after the mixing can condense rapidly after spraying the object surface.

The present disclosure also provides a concrete wet blasting machine using the aforementioned mixing device.

The application discloses mixing arrangement and use this mixing arrangement's concrete wet blasting machine, mainly used is with the accelerator, compressed air mixes with the concrete, the concrete after making the mixture can condense rapidly after spraying the object surface, compressed gas and accelerator realize once mixing in that the valve plate is inside, the mixed medium of formation carries to the distributor through first hole, the mixed medium gets into the annular inner chamber of distributor through the joint body, and inside getting into the blender through the through-hole, the mixed medium carries out the secondary mixing with the concrete in the blender.

According to the mixing device and the concrete wet spraying machine using the mixing device, the intersection point is formed between the central axis of the through hole and the central axis of the mixer in one plane, and the angle formed by the two rotating axes is changed by changing the position of the through hole, so that the through hole is not easy to block, and the mixing efficiency is improved; the central axis that connects the body through setting up forms the contained angle with water flat line in the coplanar, changes the angle of contained angle through changing the angle that sets up the position that connects the body for connect body department not to take place to block up, avoid mixing medium vertical injection to the mixture body simultaneously, avoid causing wearing and tearing to the mixture body. The device that this application provided has advantages such as mixing efficiency height, mixing quality are good, the delivery pressure loss is little.

Drawings

The present disclosure will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the present disclosure. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1: the invention discloses a top view schematic diagram of a mixing device and a concrete wet spraying machine using the same;

FIG. 2: FIG. 1 of the present disclosure is a cross-sectional view taken along line A-A;

FIG. 3: FIG. 1 of the present disclosure is a cross-sectional view taken along line B-B;

FIG. 4: a front view of a port plate in the present disclosure;

FIG. 5: FIG. 4 is a schematic top view of the present disclosure;

FIG. 6: FIG. 4 is a schematic left side view of the present disclosure;

FIG. 7: FIG. 4 is a schematic bottom view of the present disclosure;

FIG. 8: FIG. 4 of the present disclosure is a cross-sectional view taken along line E-E;

FIG. 9: a top view of a mixer in the present disclosure;

FIG. 10: FIG. 9 of the present disclosure is a cross-sectional view taken along line C-C;

FIG. 11: FIG. 9 of the present disclosure is a cross-sectional view taken along line D-D;

FIG. 12: the structure of one embodiment of the present disclosure is schematically illustrated;

FIG. 13: FIG. 12 is a schematic diagram of the working principle of the present disclosure;

FIG. 14: the top view of fig. 13 of the present disclosure.

1. A mixer; 2. a dispenser; 3. a seal ring; 4. a flow dividing section; 5. a mixing sleeve body; 6. a boss portion; 7. a first elastic sleeve member; 8. a first groove; 9. a second groove; 10. a through hole; 11. an inlet end; 12. an outlet end; 13. a first thread; 14. a housing; 15. a fitting body; 16. a cavity; 17. a second thread; 18. a second elastic member; 19. a third elastic member; 20. a valve plate; 21. a first inner bore; 22. a second inner bore; 23. a third thread; 25. an accelerator pump; 26. a media barrel; 27. a stainless steel safety valve; 28. a suspension bracket; 29. a support; 30. a spray head; 31. a connecting pipe; 32. clamping a hoop; 33. a gas compression device; 34. accelerator hose.

Detailed Description

The present disclosure is described in detail below with reference to fig. 1 to 14.

In order to make the objects, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure.

The present disclosure specifically provides a mixing apparatus, as shown in fig. 1 to 14, which is mainly used for mixing an accelerator, compressed air and concrete to enable the mixed concrete to be rapidly solidified after being sprayed on the surface of an object, and specifically includes a mixer 1 and a dispenser 2 provided on the mixer 1;

a mixing sleeve body 5 made of alloy structural steel is sleeved outside the mixer 1, two ends of the mixing sleeve body 5 are respectively provided with a boss 6, the mixing sleeve body 5 is wrapped with a first elastic sleeve 7, a gap is formed between the first elastic sleeve 7 and the boss 6 to form a first groove 8 for placing a clamp 32, and a second groove 9 for placing a sealing ring 3 is formed in the first elastic sleeve 7, so that the distributor 2 is hermetically arranged on the mixer 1;

the mixer 1 is provided with a flow dividing portion 4, the flow dividing portion 4 being provided at a connecting portion of the distributor 2 and the mixing jacket body 5, and the mixing medium can enter the mixer 1 through the flow dividing portion 4.

The material of the mixing sleeve body 5 can be 38CrSi, 42CrMo, 16CrMn, 20CrMnMo and 27SiMn, preferably 27SiMn, the 27SiMn is subjected to thermal treatment and tempering to obtain high toughness and wear resistance, the scouring resistance of concrete is good, the hardenability of 38CrSi is better than 40Cr, the low-temperature impact toughness is higher, and the high toughness and wear resistance are obtained after thermal treatment and tempering and are used for resisting the scouring of concrete; the 42CrMo has higher fatigue limit and multiple impact resistance after quenching and tempering, has good low-temperature impact toughness, and after modulation treatment, the surface of the mixing sleeve body 5 is quenched for improving the surface hardness and resisting the scouring of concrete; 16CrMn has higher hardenability and good machinability, the size of the mixing sleeve body 5 is easy to ensure, particularly when the shunt part 4 is processed, the processing is easy, the cutter is not damaged, and the satisfactory surface hardness and wear resistance can be obtained at the same time for resisting the scouring of concrete; the 20CrMnMo alloy after carburizing and quenching has higher bending strength and wear resistance and good low-temperature impact toughness, and is used as a material of the mixing sleeve body 5 for resisting the scouring of concrete.

Further, the present disclosure may provide an embodiment based on the above-mentioned mixing device, as shown in fig. 2, and described in detail as follows:

the flow dividing part 4 comprises a first thread 13 and a plurality of through holes 10, the first thread 13 is arranged outside the first elastic sleeve 7, the inlet end 11 of the through hole 10 is arranged at the bottom of the first thread 13, the outlet end 12 is arranged on the inner surface of the mixer 1, the through hole 10 penetrates through the mixer 1, the mixing sleeve body 5 and the mixer 1, the bottom of the first thread 13 is in a semicircular tooth shape, and when the highest position of the first thread 13 is respectively in contact and sealing with the first elastic sleeve 7, the highest position of the thread is in line contact with the first elastic sleeve 7, so that the sealing effect is better;

the central axis of the through hole 10 intersects with the central axis of the mixer 1 and forms an included angle beta, the included angle beta ranges from 30 degrees to 45 degrees, and the mixed medium is sprayed out of the through hole 10 to be just sprayed to the central axis of the mixer 1 and is fully mixed with the concrete flowing along the central axis of the mixer 1.

The included angle beta in the range of 30-45 degrees is beneficial to mixing the mixed medium with concrete at the central axis of the mixer 1 by jetting the mixed medium, and the included angle beta determines the roundness of the outlet end 12 of the through hole 10, so that the outlet end 12 is elliptical and is not easy to block; and when the beta angle is more than 45 degrees, the outlet end 12 is too large, so that the air pressure of the mixed medium is reduced, the convergence of the mixed medium cannot be ensured, the secondary mixing effect is influenced, and the processing is inconvenient.

Further, the present disclosure may also provide an embodiment based on the foregoing mixing device, as shown in fig. 3, described in detail as follows:

the distributor 2 comprises a shell 14 and two joint bodies 15 arranged on the shell 14, the joint bodies 15 are arranged on the shell 14 in a central symmetry mode and are communicated with the shell 14, a cavity 16 of a part, communicated with the shell 14, of each joint body 15 is basically oval, and the area of the oval cavity 16 is larger than that of the inlet end 11 face of each joint body 15, so that mixed media cannot be blocked;

the central axis of the joint body 15 intersects with the horizontal plane to form an included angle alpha, the included angle alpha ranges from 2 degrees to 3 degrees, mixed media are prevented from being vertically injected into the mixer 1 to cause abrasion to the mixer 1, and the inflow of the mixed media is facilitated;

the end of the joint body 15 is provided with a second thread 17 for connecting a pipeline 31, the inner wall of the joint body 15 is provided with a second elastic piece 18, and the inner wall of the shell 14 is provided with a third elastic piece 19 communicated with the second elastic piece 18.

The distributor 2 is connected with the mixer 1 in a sealing way, and is mainly in contact sealing with an elastic part in the distributor 2 through a sealing ring 3, so that an inner cavity is formed between the mixer 1 and the distributor 2, the inner cavity is a closed space which is just used for arranging the shunt part 4, and mixed media in the distributor 2 respectively flow into the shunt part 4 from the joint body 15 through the oval cavity 16 and then enter the mixer 1 from the shunt part 4 to be mixed with concrete for the second time. The elastic part is made of polyurethane, is resistant to corrosion of the accelerating agent and can avoid abrasion.

Further, the present disclosure may also provide an embodiment based on the foregoing mixing device, as shown in fig. 4 to 8, described in detail as follows:

wherein, the mixing device also comprises a valve plate 20 arranged outside the distributor 2, the valve plate 20 can mix the compressed air and the accelerating agent to form a mixed medium, a first inner hole 21 and a second inner hole 22 are arranged inside the valve plate 20, the first inner hole 21 is arranged on the rotating axis of the valve plate 20 and extends along the rotating axis of the valve plate 20 to the inside of the valve plate 20;

the second inner hole 22 is arranged on the side wall of the port plate 20 and extends towards the central point of the port plate 20, the second inner hole 22 and the first inner hole 21 are converged at the central point of the port plate 20, the second inner holes 22 are three side walls which are not arranged on the port plate 20, and the end part of the second inner hole 22 is provided with a third thread 23 for connecting a pipeline 31;

the compressed air and the accelerator respectively enter the interior of the valve plate 20 through a second inner hole 22 on the side wall of the valve plate 20 and are mixed at the through position of the second inner hole 22 and the first inner hole 21, the formed mixed medium is conveyed to the mixer 1 through the first inner hole 21 through the distributor 2, and the mixed medium and the concrete in the mixer 1 are subjected to secondary mixing.

Further, the present disclosure may also provide an embodiment as shown in fig. 12 to 14, which is described in detail as follows:

the embodiment provides a concrete wet spraying machine which comprises the mixing device.

A concrete wet spraying machine comprises a frame body, a power device and a concrete pumping system, wherein the concrete pumping system comprises a pumping device, an arm body expansion device, a rapid hardening medium conveying device and a gas compression device 33, and the pumping device controls the range of concrete spraying through the arm body expansion device;

the quick-setting medium conveying device comprises an execution driving mechanism and a quick-setting agent pump 25, the execution driving mechanism is connected with the quick-setting agent pump 25, and the quick-setting agent pump 25 is provided with a first input end and a first output end; the quick-setting medium conveying device further comprises a medium barrel 26, a stainless steel safety valve 27 and a valve plate 20, wherein a first input end of the quick-setting agent pump 25 is communicated with the medium barrel 26, a first output end of the quick-setting agent pump 25 is communicated with the stainless steel safety valve 27, and the valve plate 20 is connected with the stainless steel safety valve 27; the stainless steel safety valve 27 and the gas compression device 33 are connected with the second inner hole 22 through pipelines, the quick-setting medium enters the valve plate 20 through the stainless steel safety valve 27, the compressed gas enters the valve plate 20 through the gas compression device 33, and the quick-setting medium and the compressed gas are mixed in the valve plate 20;

the arm body telescopic device is provided with a suspension bracket 28, and the concrete spraying device is connected to the suspension bracket 28, wherein the concrete spraying device is provided with a bracket 29 for mounting the valve plate 20, and the first inner hole 21 of the valve plate 20 is connected with the distributor 2 through an accelerator hose 34, so that a mixed medium can flow into the distributor 2;

the mixed medium enters the mixer 1 from the through hole 10, the mixed medium is gathered at the central axis of the mixer 1 through the included angle beta, the mixed medium forms a gathering point to collide with concrete under the action of the gas compression device 33 and the accelerator pump 25 in the wet spraying machine, a continuously-divergent medium surface can be formed inside the mixer 1, secondary mixing of the mixed medium and the concrete is realized through the medium surface, the medium surface is sprayed out through the spray head 30 in the concrete spraying device after being diffused forwards all the time under the action of the pumping device, sufficient and efficient mixing of the compressed air, the accelerator and the concrete is realized, along-way pressure loss of the compressed air and the accelerator is avoided, and mixing efficiency and quality are improved.

The protruding rings that set up at 5 both ends of mixing cover body are used for respectively with concrete injection apparatus's shower nozzle 30 and connecting pipe 31 butt joint, and it is fixed through clamp 32 joint after the butt joint, and first recess 8 cladding is in clamp 32, and the concrete stream that the pumping installation of wet blasting machine carried like this enters into blender 1 behind the connecting pipe 31.

The application discloses a mixing device and a concrete wet spraying machine using the same.A cross point is formed between the central axis of a through hole 10 and the central axis of a mixer 1 in one plane, and the angle formed by two rotation axes is changed by changing the position of the through hole 10, so that the through hole 10 is not easy to block, and the mixing efficiency is improved; through setting up the central axis that connects body 15 and the horizontal line forms the contained angle in the coplanar, change the angle that changes the contained angle through the position that sets up that changes the joint body 15 for do not take place to block up in joint body 15 department, avoid mixing medium to spray perpendicularly to the mixture body simultaneously, avoid causing wearing and tearing to the mixture body. The device that this application provided has advantages such as mixing efficiency height, mixing quality are good, the delivery pressure loss is little.

The present disclosure has been described in detail above, and the principles and embodiments of the present disclosure have been explained herein using specific examples, which are provided only to assist understanding of the present disclosure and the core concepts. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present disclosure without departing from the principle of the present disclosure, and such improvements and modifications also fall within the scope of the claims of the present disclosure.

Claims (10)

1. A mixing apparatus comprising a distributor and a mixer, the distributor being disposed on the mixer for delivering a mixing medium to the mixer, the concrete in the mixer being mixed with the mixing medium;

a mixing sleeve body is arranged outside the mixer, two ends of the mixing sleeve body are respectively provided with a protruding part, a first elastic sleeve is wrapped outside the mixing sleeve body, a gap exists between the first elastic sleeve and the protruding parts to form a first groove, and the first groove is used for placing a clamp;

the blender is provided with reposition of redundant personnel portion, reposition of redundant personnel portion is used for making mixed medium mix with the concrete in getting into the blender, reposition of redundant personnel portion includes the through-hole, the through-hole link up first elasticity external member, mixing sleeve body and blender.

2. A mixing device according to claim 1, wherein the first resilient sleeve is provided with a second groove for receiving a sealing ring for sealingly arranging the dispenser on the mixer.

3. The mixing device according to claim 1, wherein the flow dividing portion is provided at a connecting portion of the distributor and the mixing sleeve body so that the mixing medium in the distributor enters the mixer through the flow dividing portion;

the shunt part comprises a first thread, the first thread is arranged outside the first elastic sleeve, and at least one through hole is formed;

the through-hole is provided with entry end and exit end, the entry end sets up in first screw thread bottom, the exit end sets up at the blender internal surface.

4. A mixing device according to claim 3, wherein the intersection of the central axis of the through bore and the central axis of the mixer forms an angle β, said angle β being in the range of 30 ° to 45 °.

5. The mixing device of claim 4, wherein the dispenser includes a housing and a connector body disposed on the housing, the connector body being in communication with the housing;

the connector body is two, the connector body central symmetry sets up on the casing.

6. A mixing device according to claim 5, wherein the central axis of the body intersects a horizontal plane to form an angle α, said angle α being in the range of 2 ° to 3 °.

7. A mixing arrangement according to claim 6, wherein the housing of the communicating portion of the body and housing is substantially elliptical, the cross-sectional area of the housing being greater than the cross-sectional area of the inlet end face of the body.

8. A mixing device according to claim 1, further comprising a port plate, said port plate being arranged outside the dispenser, said port plate being used for media mixing;

the valve plate comprises a first inner hole and a second inner hole, and the first inner hole and the second inner hole are arranged in the valve plate;

the first inner hole is arranged on the rotating axis of the valve plate, and the first inner hole extends towards the interior of the valve plate along the rotating axis of the valve plate;

the second inner hole is arranged on the side wall of the valve plate, the second inner hole extends to the central point of the valve plate, the second inner hole is communicated with the first inner hole, and the first inner hole and the second inner hole are converged at the central point of the valve plate.

9. A mixing apparatus according to claim 8, wherein there are at least two of said second bores, said second bores being uniformly disposed in the side wall of the port plate.

10. A concrete wet-spraying machine, characterized in that it comprises a mixing device according to any one of claims 1 to 9.

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