CN215292522U - Secondary grouting operation system of shield tunneling machine - Google Patents
Secondary grouting operation system of shield tunneling machine Download PDFInfo
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- CN215292522U CN215292522U CN202121682347.0U CN202121682347U CN215292522U CN 215292522 U CN215292522 U CN 215292522U CN 202121682347 U CN202121682347 U CN 202121682347U CN 215292522 U CN215292522 U CN 215292522U
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Abstract
The utility model discloses a secondary grouting operation system of a shield machine, comprising a liquid tank A, a liquid tank B, a liquid grouting pump A, a liquid grouting pump B, an electronic flowmeter A and an electronic flowmeter B, wherein the liquid tank A is used for storing the liquid A, the liquid grouting pump A pumps the liquid A in the liquid tank A and transports the liquid A to a grouting gun, the electronic flowmeter A is installed at the outlet of the liquid grouting pump A, and the flow rate of the liquid A is monitored; the B liquid case is used for storing the B thick liquid, B liquid slip casting pump draws the B thick liquid in the B liquid case, transports to the slip casting rifle, B liquid slip casting pump export department installation B electron flowmeter, the velocity of flow of monitoring B thick liquid. The utility model discloses a shield constructs quick-witted secondary slip casting operation system can the injection proportion of accurate control secondary slip casting A thick liquid and B thick liquid to slip casting pressure also can effective control, avoids slip casting quality problems and safe risk.
Description
Technical Field
The utility model relates to a shield constructs quick-witted secondary slip casting operating system field. More specifically speaking, the utility model relates to a higher shield constructs quick-witted secondary slip casting operating system of precision.
Background
In recent years, shield machines are widely applied to construction of highways, subways and water and power transmission tunnels, and the shield machines of the engineering are large in diameter and large in segment size and weight. The shield segment is a permanent lining structure of the tunnel by a shield method, the quality of the shield segment is directly related to the overall quality and safety of the tunnel, and the waterproof performance and the durability of the tunnel are directly influenced.
At present, a secondary grouting system adopts manual local manual operation, the injection ratio of cement paste and water glass cannot be effectively controlled, the conditions of injection in different proportions under different requirements cannot be met, and a great amount of time and energy are consumed when the injection ratio is adjusted manually.
The traditional secondary grouting process changes the grouting rate by adjusting the oil pressure of a grouting pump, and judges the flow size through the movement frequency of a plunger pump, so that the proportional injection of double-liquid slurry is completed, a large amount of labor and time are consumed, and the slurry proportioning accuracy is poor. Therefore, a novel secondary grouting operation construction method with low labor consumption and high slurry proportioning accuracy needs to be found.
SUMMERY OF THE UTILITY MODEL
In order to achieve the objects and other advantages in accordance with the present invention, a preferred embodiment of the present invention provides a secondary grouting operation system for a shield tunneling machine, which is characterized in that the secondary grouting operation system comprises a liquid tank A, a liquid tank B, a liquid grouting pump A, a liquid grouting pump B, an electronic flowmeter A and an electronic flowmeter B, wherein the liquid tank A, the liquid tank B, the liquid grouting pump A, the liquid grouting pump B, the electronic flowmeter B, and the electronic flowmeter B
The liquid A box is used for storing the liquid A, the liquid A in the liquid A box is pumped by the liquid A grouting pump and conveyed to a grouting gun, an electronic flowmeter A is installed at the outlet of the liquid A grouting pump, and the flow rate of the liquid A is monitored;
the B liquid case is used for storing the B thick liquid, B liquid slip casting pump draws the B thick liquid in the B liquid case, transports to the slip casting rifle, B liquid slip casting pump export department installation B electron flowmeter, the velocity of flow of monitoring B thick liquid.
According to the utility model discloses a preferred embodiment, shield constructs quick-witted secondary slip casting operating system, further includes the control unit, the control unit is connected receive A electronic flowmeter B electronic flowmeter, and A liquid grouting pump B liquid grouting pump, the control unit receives A electronic flowmeter B electronic flowmeter's flow data, control A liquid grouting pump B liquid grouting pump's rotational speed.
According to a preferred embodiment of the utility model, the secondary grouting operation system of the shield machine, the grout A pump extracts the grout A in the grout A box and transports the grout A to the grouting gun through the pipeline A, the pipeline A is provided with an electronic pressure gauge A,
and the B liquid grouting pump extracts the B slurry in the B liquid box and transports the B slurry to a grouting gun through a B pipeline, a B electronic pressure gauge is installed on the B pipeline, and a B electronic pressure gauge is installed on the B pipeline.
According to the utility model discloses a preferred embodiment, shield constructs quick-witted secondary slip casting operating system, still install A mixer in the A liquid case/outward.
According to a preferred embodiment of the utility model, the secondary grouting operation system of the shield machine is characterized in that an A pressure sensor is arranged on the A pipeline to monitor the liquid level in the A pipeline;
and a B pressure sensor is arranged on the B pipeline to monitor the pressure of the grouting pipeline.
According to the utility model discloses a preferred embodiment, shield constructs quick-witted secondary slip casting operating system, A liquid grouting pump and but the pump speed manual regulation of B liquid grouting pump.
According to the utility model discloses a preferred embodiment, shield constructs quick-witted secondary slip casting operating system, installation A liquid pneumatic valve on the A pipeline, installation B liquid pneumatic valve on the B pipeline.
The utility model discloses at least, include following beneficial effect: the utility model discloses a shield constructs quick-witted secondary slip casting operation system can the injection proportion of accurate control secondary slip casting A thick liquid and B thick liquid to slip casting pressure also can effective control, avoids slip casting quality problems and safe risk. Meanwhile, the injection proportion of the slurry A and the slurry B is regulated and controlled by the control unit, so that the grouting process is simple and easy, and intelligent and people-saving effects can be realized.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is the utility model discloses well shield constructs quick-witted secondary slip casting operating system's structural schematic.
Fig. 2 is a front view of the liquid tank a of the present invention.
Fig. 3 is a top view of the liquid tank a of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
As shown in fig. 1-3, a preferred embodiment of the present invention provides a secondary grouting operation system for a shield tunneling machine, which comprises an a liquid tank 1, a B liquid tank 2, an a liquid grouting pump 3, a B liquid grouting pump 4, an a electronic flowmeter 5 and a B electronic flowmeter 6, wherein
The liquid A box 1 is used for storing the liquid A, the liquid A grouting pump 3 is used for pumping the liquid A in the liquid A box 1 and transporting the liquid A to a grouting gun 7, an electronic flowmeter A5 is installed at the outlet of the liquid A grouting pump and used for monitoring the flow rate of the liquid A;
b liquid case 2 is used for storing the B thick liquid, B liquid slip casting pump 4 extracts the B thick liquid in the B liquid case 2 transports to slip casting rifle 7, B liquid slip casting pump export department installation B electron flowmeter 6 monitors the velocity of flow of B thick liquid.
In the above embodiment, the slurry a in the slurry tank 1 is extracted by the slurry a pump 3, and at the same time, the slurry B in the slurry tank 2 is extracted by the slurry B pump 4, and the slurry a and the slurry B are simultaneously transported to the grouting gun and mixed before the grouting gun 7.
It should be noted that the above grouting operation system has a further purpose, and if it is not necessary to mix two kinds of grout, only one kind of grout needs to be used, only the liquid a grouting pump 3 or the liquid B grouting pump 4 may be started, and only one kind of grout is pumped.
In another embodiment, the secondary grouting operation system of the shield machine further includes a control unit, the control unit is connected to the receiving unit and receives the flow data of the a electronic flowmeter 5 and the B electronic flowmeter 6, the a liquid grouting pump 3 and the B liquid grouting pump 4, the control unit receives the flow data of the a electronic flowmeter 5 and the B electronic flowmeter 6 and controls the rotation speeds of the a liquid grouting pump 3 and the B liquid grouting pump 4, the a electronic flowmeter 5 displays the flow speed of the a slurry, the B electronic flowmeter 6 displays the flow speed of the B slurry, and if the flow speeds do not reach the standard, the control unit respectively controls the rotation speeds of the a liquid grouting pump 3 and the B liquid grouting pump 3, so as to adjust the flow speed of the a slurry and the flow speed of the B slurry to make the flow speeds reach the standard.
According to a preferred embodiment of the utility model, the A liquid grouting pump 3 pumps the A liquid in the A liquid box 1 and transports the A liquid to the grouting gun through the A pipeline, the A pipeline is provided with an A electronic pressure gauge 9,
the B liquid grouting pump 4 extracts the B slurry in the B liquid box 2 and transports the B slurry to the grouting gun 7 through a B pipeline, a B electronic pressure gauge 10 is installed on the B pipeline, and the B electronic pressure gauge 10 is installed on the B pipeline.
For example, sometimes the pipeline is blocked, and the pressure is overlarge. In case discover that A electron manometer, B electron manometer's pressure reaches the predetermined value, can artifically close A liquid grouting pump, B liquid grouting pump, still pump into thick liquid under the very big condition of pressure, cause the pipeline to scrap.
The system can realize automatic grouting and sequential operation of grouting processes: starting the liquid pump A, starting the liquid pump B after 10s, continuing grouting at a constant speed after the flow monitored by the electronic flowmeter A/B reaches a set value, stopping grouting after the electronic pressure gauge A/B displays that the grouting pressure is greater than a set termination pressure, and stopping grouting when any one of the two pipeline pressures reaches the set termination pressure, wherein grouting is finished at the moment.
In actual construction, the slurry A used by the shield tunneling machine is usually cement slurry and is formed by mixing water and cement, and in order to ensure the control of the cement slurry precision in the construction process, the cross section area of the slurry A tank is designed to be close to 1m2In order to facilitate observation of the liquid level condition of the liquid tank A1, a slurry suction pipe placing groove 13 is formed in the position, close to the outer wall, in the tank, the slurry suction pipe placing groove 13 is communicated with the inside of the liquid tank A, one end, close to the outer side, of the slurry suction pipe placing groove 13 is transparent, scale marks are arranged on the transparent end, and the liquid slurry A in the liquid tank A is pumped by the liquid slurry suction pipe.
One cement bag in the market is 50kg, the height of each scale mark is 0.1m, and one scale corresponds to two cement bags. The water quality is accurately known according to the scales, so that the added cement amount can be more accurately controlled, the water-cement ratio amount can be accurately controlled, and the method is simple and easy to operate.
In another embodiment, a stirrer A is further installed in/outside the liquid A tank 1 to stir the slurry A.
In another embodiment, the pipeline A is provided with a pressure sensor A, and the pressure on the pipeline A is monitored in real time; and a B pressure sensor is arranged on the B pipeline to monitor the pressure of the grouting pipeline on the B pipeline in real time.
The control unit is connected with the receiving pressure sensor 11 and the B pressure sensor 12, and controls to close the liquid A grouting pump or the liquid B grouting pump once the pressure of the pipeline A or the pipeline B is monitored to be overlarge.
According to the utility model discloses a preferred embodiment, shield constructs quick-witted secondary slip casting operating system, A liquid grouting pump and but the pump speed manual regulation of B liquid grouting pump.
According to the utility model discloses a preferred embodiment, shield constructs quick-witted secondary slip casting operating system, installation A liquid pneumatic valve on the A pipeline, installation B liquid pneumatic valve on the B pipeline.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (7)
1. A secondary grouting operation system of a shield tunneling machine is characterized by comprising an A liquid tank, a B liquid tank, an A liquid grouting pump, a B liquid grouting pump, an A electronic flowmeter and a B electronic flowmeter, wherein the A liquid tank, the B liquid grouting pump, the A electronic flowmeter and the B electronic flowmeter are arranged in sequence, and the A liquid tank, the B liquid tank, the A liquid grouting pump, the B liquid grouting pump, the A electronic flowmeter and the B electronic flowmeter are arranged in sequence in
The liquid A box is used for storing the liquid A, the liquid A in the liquid A box is pumped by the liquid A grouting pump and conveyed to a grouting gun, an electronic flowmeter A is installed at the outlet of the liquid A grouting pump, and the flow rate of the liquid A is monitored;
the B liquid case is used for storing the B thick liquid, B liquid slip casting pump draws the B thick liquid in the B liquid case, transports to the slip casting rifle, B liquid slip casting pump export department installation B electron flowmeter, the velocity of flow of monitoring B thick liquid.
2. The secondary grouting operation system of the shield tunneling machine of claim 1, further comprising a control unit,
the control unit is connected with the receiving electronic flowmeter A, the electronic flowmeter B, the liquid grouting pump A and the liquid grouting pump B.
3. The secondary grouting operation system of the shield tunneling machine according to claim 1, wherein the slurry A in the slurry A tank is pumped by the slurry A pump and transported to a grouting gun through a pipeline A, an electronic pressure gauge A is installed on the pipeline A,
and the B liquid grouting pump extracts the B slurry in the B liquid box and transports the B slurry to a grouting gun through a B pipeline, a B electronic pressure gauge is installed on the B pipeline, and a B electronic pressure gauge is installed on the B pipeline.
4. The secondary grouting operation system of the shield tunneling machine according to claim 1, wherein an A stirrer is further installed inside/outside the A liquid tank.
5. The secondary grouting operation system of the shield tunneling machine according to claim 1, wherein an A pressure sensor is mounted on the A pipeline; and a B pressure sensor is arranged on the B pipeline.
6. The secondary grouting operation system of the shield tunneling machine according to claim 1, wherein the pump speeds of the liquid A grouting pump and the liquid B grouting pump are manually adjustable.
7. The secondary grouting operation system of the shield tunneling machine according to claim 2, wherein a liquid A gas valve is installed on the pipeline A, and a liquid B gas valve is installed on the pipeline B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682347.0U CN215292522U (en) | 2021-07-22 | 2021-07-22 | Secondary grouting operation system of shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682347.0U CN215292522U (en) | 2021-07-22 | 2021-07-22 | Secondary grouting operation system of shield tunneling machine |
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| Publication Number | Publication Date |
|---|---|
| CN215292522U true CN215292522U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121682347.0U Active CN215292522U (en) | 2021-07-22 | 2021-07-22 | Secondary grouting operation system of shield tunneling machine |
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| CN (1) | CN215292522U (en) |
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2021
- 2021-07-22 CN CN202121682347.0U patent/CN215292522U/en active Active
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