CN217688961U - Sprayed concrete simulation experiment device - Google Patents
Sprayed concrete simulation experiment device Download PDFInfo
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- CN217688961U CN217688961U CN202221730659.9U CN202221730659U CN217688961U CN 217688961 U CN217688961 U CN 217688961U CN 202221730659 U CN202221730659 U CN 202221730659U CN 217688961 U CN217688961 U CN 217688961U
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Abstract
The patent of the utility model discloses a shotcrete simulation experiment device, this device comprises eight parts: the concrete slurry mixing device comprises a concrete slurry mixing pot, an MP-4500 cutting type pump machine main body, a pump-out switching port, a spraying pipe, a nozzle, a pump-in switching port, a pump-in pipeline and a concrete slurry storage tank. The process flow is as follows: concrete fine aggregate (mineral powder, fly ash and cement) and water in a mass ratio of 1041:169 is poured into a concrete slurry storage tank after being uniformly mixed according to the proportion; pumping under the action of a pump, pumping out the cement paste spraying pipeline by a pump-in flowing concrete paste pipeline and an MP-4500 cutting type pump, spraying the concrete mixed mixture at a spray head, and spraying the mixture to a sprayed surface. The aim of simulating the experiment injection is achieved, and an experimental device is provided for observing the physical and mechanical properties of the hardened sprayed concrete in a laboratory. The utility model discloses fill small-size laboratory in a certain extent and spray concrete experimental apparatus blank with simulation, have certain effect to studying spray concrete mechanism of action and mechanical properties.
Description
Technical Field
The utility model relates to a mechanical engineering field, concretely relates to sprayed concrete simulation experiment device.
Background
According to the strong traffic strategy, the tunnel engineering of China is developed rapidly, and early strength is provided by using sprayed concrete for rapid support in the early stage of tunnel surrounding rock excavation. However, the setting and hardening process of the sprayed concrete and the interaction mechanism of the sprayed concrete and surrounding rocks are not very clear, and a large number of scientific experiments are needed in a laboratory for analysis and demonstration. The existing concrete spraying machine is large and expensive, and the requirements of small-sized concrete spraying simulation experiments in laboratories cannot be met in view of the condition. The research and development requirements on small-sized sprayed concrete simulation experiment devices for experiments are increasing day by day.
The construction method of spraying concrete and pouring fine stone concrete by using pressure spray gun. It is commonly used for pouring linings of tunnel, linings of thin-wall structures such as wall and ceiling, or linings of other structures, and protective layers of steel structures. If the injection process can be simulated in a laboratory and system analysis can be carried out according to research requirements, the method has great significance on the form of the research of the current tunnel support concrete injection simulation experiment, and accords with the requirements of the future simulation of more forms of concrete injection experiments so as to research the requirements of the injection concrete on the working aspect of tunnel surrounding rock support.
How to design the laboratory that accords with laboratory simulation requirement and use small-size injection apparatus, make concrete simulation injection effect form press close to engineering reality, just become the direction of this field technical staff's effort.
SUMMERY OF THE UTILITY MODEL
Lack current small-size for experiment shotcrete analogue means temporarily, the technique is difficult to satisfy people's needs, in order to solve the problem of the concrete injection process of a small amount of simulation in above-mentioned laboratory, the utility model provides a shotcrete simulation experiment device can solve above-mentioned technical problem completely.
In order to achieve the above object and solve the above technical problem, the present invention provides a method for manufacturing a semiconductor device, comprising:
a simulation experiment device for sprayed concrete mainly comprises eight parts, as shown in the attached drawing reference numbers of the specification: 1. the concrete pump comprises a concrete mixing kettle, a 2.MP-4500 cutting type pump body, a 3.MP-4500 cutting type pump outlet flowing concrete slurry adapter, a 4.pump outlet cement slurry outlet pipe, a 5.pump outlet cement slurry nozzle, a 6.MP-4500 cutting type pump inlet flowing concrete slurry adapter, a 7.pump inlet flowing concrete slurry pipeline and a 8.flowing concrete slurry storage tank. The diameter of the top circle of the concrete mixing pot is 300mm, and the height of the top circle is 160mm; the rated voltage of the MP-4500 cutting type pump is 12V, the flow per minute is 32L, the rated power is 114W, and the lift is 3m; the diameter of a cement slurry outlet of the MP-4500 cutting type pump is 28mm; pumping out cement slurry, wherein the diameter of a cement slurry spraying pipe is 30mm, and a pvc steel wire hose is adopted; the cement paste spraying nozzle adopts 4-minute screw threads, the spraying angle of the stainless steel solid conical nozzle with the aperture of 6.0mm is 80 degrees, and the pressure is 7.5kg/cm < 3 > under the flow rate of 32L/min; the diameter of a cement paste switching port pumped by an MP-4500 cutting type pump is 38mm; pumping a fluid concrete slurry pipeline with the diameter of 40mm, and adopting a pvc steel wire hose; the storage tank for the fluid concrete slurry has the capacity of 120L, the length of 66cm, the width of 44cm, the height of 30.4cm and is a transparent plastic storage tank.
Wherein, the diameter of the top circle of the concrete mixing pot is 300mm, and the height is 160mm. Can be used for placing raw materials such as uniform cement, mineral powder, fly ash and the like which are stirred, thereby achieving the purpose of placing the raw materials.
Wherein, the MP-4500 cutting type pump has the rated voltage of 12V, the flow rate per minute of 32L, the rated power of 114V and the lift of 3m. After the transformer is connected, the concrete pump is directly connected with a 220V socket, the diameter of a grout inlet is 38mm, and a 40mmpvc steel wire hose is sleeved outside the grout inlet, so that the concrete with fluidity can be pumped into the pump. The diameter of the grout outlet is 28mm, and the grout outlet is externally connected with a 30mmpvc steel wire hose, so that the concrete grout can be pumped out of the pump machine, and the purpose of pumping the concrete grout is achieved.
The MP-4500 cutting type pump machine pumps out a concrete slurry transfer port, the diameter of the slurry outlet is 28mm, and the external transfer sleeve is provided with a 30mmpvc steel wire hose, so that the requirement that the pumped concrete slurry enters a pipeline can be met.
Wherein, the diameter of the cement paste outlet pipe to be pumped out is 30mm, and a pvc steel wire hose is adopted. One end of the pipeline used for spraying the concrete grout is connected with an outlet of an MP-4500 cutting type pump for pumping out the concrete grout, and the other end of the pipeline is connected with a nozzle.
The cement paste spraying nozzle adopts 4-minute screw threads, the spraying angle of the stainless steel solid conical nozzle with the aperture of 6.0mm is 80 degrees, the pressure is 7.5kg/cm < 3 > at the flow rate of 32L/min, and the requirement that concrete paste pumped out of the cement paste spraying pipe is sprayed to a sprayed surface can be met.
The MP-4500 cutting type pump machine pumps the mobile concrete slurry transfer port, the diameter of the slurry inlet is 38mm, and the external transfer sleeve is provided with a 40mmpvc steel wire hose, so that the requirement that the pumped concrete slurry enters a pipeline can be met.
Wherein, the diameter of the pump-in flowing concrete slurry pipeline is 40mm, and a pvc steel wire hose is adopted. As a pipeline for pumping concrete slurry, one end of the pipeline is connected with an MP-4500 cutting type pump, and the pump pumps the concrete slurry into the outlet of the concrete slurry pump, and the other end of the pipeline is placed in the fluid concrete slurry storage tank, so that the aim of conveying and pumping the concrete slurry in the concrete slurry storage tank is fulfilled.
The storage tank for the flowable concrete paste has the capacity of 120L, the length of 66cm, the width of 44cm and the height of 30.4cm, and is made of transparent plastic, so that the aims of storing the concrete paste and visualizing the pumping process are fulfilled.
Drawings
Fig. 1 is the perspective structure schematic diagram of the present invention, and fig. 2 is the perspective structure side view schematic diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the figure, the device comprises eight parts, wherein the device comprises a concrete mixing pot with the reference number 1, a MP-4500 cutting type pump body with the reference number 2, a MP-4500 cutting type pump outlet concrete slurry transfer port with the reference number 3, a concrete slurry outlet pipe with the reference number 4, a concrete slurry spraying nozzle with the reference number 5, a flowing concrete slurry pumping transfer port with the reference number 6, a flowing concrete slurry pumping pipeline with the reference number 7 and a concrete slurry storage tank with the reference number 8, wherein the concrete mixing pot with the reference number 2, the MP-4500 cutting type pump body with the reference number 3, the MP-4500 cutting type pump outlet concrete slurry transfer port with the reference number 3. The device of the utility model is simple in structure, reasonable in design, the necessary simulation process of shotcrete that wet concrete after can effectively accomplishing the stirring carries out the damp and spout. The device can perfect necessary steps of a laboratory simulation shotcrete simulation experiment and perfect a shotcrete simulation injection matching process. The process flow is as follows: cement fine aggregate (mineral powder, fly ash and cement) and water in a mass ratio of 1041:169 is poured into a flowing concrete slurry storage tank after being uniformly mixed, and an accelerator accounting for 2.5 percent of the total mass is added. Pumping under the action of a pump, pumping out the concrete slurry spraying pipeline by a pump concrete slurry pipeline and an MP-4500 cutting type pump in sequence, spraying the concrete mixed mixture at a spray head, and spraying the mixture to a sprayed surface. The aim of simulating the injection of the injected concrete experiment is achieved, and an experimental device is provided for observing the physical and mechanical properties of the hardened injected concrete in a laboratory. The product is simple to operate, easy to install and attractive in appearance, and plays a certain role in researching the action mechanism and mechanical property of the sprayed concrete.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a shotcrete simulation experiment device which characterized in that includes: the concrete slurry mixing pot is used for containing sprayed concrete, and the concrete is poured into the concrete slurry storage box after the concrete is contained; the concrete slurry storage tank is used for storing concrete, on one hand, the concrete poured into the concrete slurry mixing pot is stored, and on the other hand, the concrete is pumped into a pipeline by a pump; the MP-4500 cutting type pump machine body is used for pumping and spraying concrete, one end of the MP-4500 cutting type pump machine body is connected with the pump-in adapter port, and the other end of the MP-4500 cutting type pump machine body is connected with the pump-out adapter port; one end of the pump-out switching port for switching is connected with the pump-out pipeline, and the other end of the pump-out switching port is connected with the pump machine main body; the pump-in switching port is used for switching, one end of the pump-in switching port is connected with the pump-in pipeline, and the other end of the pump-in switching port is connected with the pump main body; the pump-in pipeline is used for conveying input concrete, one end of the pump-in pipeline is connected with the pump-in adapter, and the other end of the pump-in pipeline is connected with the concrete slurry storage tank; one end of a pump-out pipeline for conveying output concrete is connected with the pump-out adapter, and the other end of the pump-out pipeline is connected with the nozzle and directly sprayed out; and one end of the nozzle for direct spraying is connected with the pump-out pipeline, and the other end of the nozzle is sprayed to the engineering sprayed surface.
2. A shotcrete simulation test device according to claim 1, wherein: the concrete slurry mixing pot used for containing the sprayed concrete is made of steel materials.
3. A shotcrete simulation test device as claimed in claim 1, wherein: the concrete slurry storage box for storing concrete is made of steel material, and the upper part of the box is provided with an opening.
4. A shotcrete simulation test device according to claim 1, wherein: the pump body is an MP-4500 cutting type pump.
5. A shotcrete simulation test device as claimed in claim 1, wherein: the pump outlet diameter is 28mm.
6. A shotcrete simulation test device according to claim 1, wherein: the pump-in pipeline and the pump-out pipeline adopt pvc steel wire hoses.
7. A shotcrete simulation test device according to claim 1, wherein: the cement paste spraying nozzle adopts a stainless steel solid conical nozzle with 4-minute screw threads and 6.0mm aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221730659.9U CN217688961U (en) | 2022-07-07 | 2022-07-07 | Sprayed concrete simulation experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221730659.9U CN217688961U (en) | 2022-07-07 | 2022-07-07 | Sprayed concrete simulation experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217688961U true CN217688961U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221730659.9U Active CN217688961U (en) | 2022-07-07 | 2022-07-07 | Sprayed concrete simulation experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217688961U (en) |
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2022
- 2022-07-07 CN CN202221730659.9U patent/CN217688961U/en active Active
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