CN212454448U

CN212454448U - Network grouting device

Info

Publication number: CN212454448U
Application number: CN202020507000.1U
Authority: CN
Inventors: 于守东; 方齐; 于泽昊; 蒋明宇
Original assignee: Suzhou City Jiansheng Mine Equipment Co ltd
Current assignee: Suzhou City Jiansheng Mine Equipment Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-02-02
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses a network slip casting device, including slip casting pipeline, connection logical head, the slip casting pipeline includes that the slip casting that arranges along the tunnel axial is responsible for and arc slip casting pipe, and arc slip casting pipe one end is responsible for through being connected the logical head with the slip casting, a plurality of connection logical heads that distribute of arc slip casting pipe is gone up to the annular, and the first distribution position of connection on the arc slip casting pipe corresponds and can dismantle with the slip casting stock in the tunnel and be connected, and the slip casting is responsible for the top and is connected with the grouting pump, and terminal sealing handles. This network slip casting device has simple structure, convenient operation, and the slip casting pipeline is few, as long as the power of grouting pump can guarantee, and the hole number of slip casting is unrestricted simultaneously, greatly improves slip casting efficiency.

Description

Network grouting device

Technical Field

The invention relates to a mine rock mass grouting device, in particular to a network grouting device.

Background

Along with the deepening of mine mining, the underground ground pressure is increased, so that the surrounding rock of a roadway is broken and difficult to support, in recent years, the reinforcing effect of the surrounding rock through grouting is obvious, but basically, the single-hole grouting efficiency is low, the single-hole grouting cannot keep pace with the tunneling speed of the roadway, and the construction progress is influenced; and porous grouting is also adopted, although the number of holes for grouting is increased, the conditions that a plurality of grouting pipes are used and pipelines are easily blocked exist, the number of the grouting holes is limited, the influence of the grouting process is large, and the use is inconvenient and wastes materials.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a network slip casting device for when the solution is in porous simultaneous grouting, the slip casting pipe is too much, operates the inconvenient problem of easily blockking up the pipeline.

In order to solve the technical problem, the utility model discloses a following scheme:

the utility model provides a network slip casting device, includes slip casting pipeline, connects logical head, the slip casting pipeline includes that the slip casting that arranges along the tunnel axial is responsible for and arc slip casting pipe, and arc slip casting pipe one end is responsible for through being connected the head with the slip casting and is connected, a plurality of connection logical heads that distribute of annular on the arc slip casting pipe, the first distribution position of connection on the arc slip casting pipe corresponds and can dismantle with the slip casting stock in the tunnel and be connected, and the slip casting is responsible for the top and is connected with the grouting pump, and terminal sealing is handled.

By adopting the technical scheme, the utility model comprises a grouting pipeline and a connecting through head for pipeline connection, the grouting pipeline comprises a main grouting pipe and an arc-shaped grouting pipe which are arranged along the axial direction of the roadway, the lengths of the main grouting pipe and the arc-shaped grouting pipe are determined according to the required grouting holes, the inner diameter of the pipeline is determined according to the grouting amount, one end of the arc-shaped grouting pipe and the main grouting pipe are connected in parallel on the main grouting pipe through the connecting through head, thus ensuring the same pressure of the grout in the arc-shaped grouting pipe, the other end is sealed, avoiding the grout leakage during grouting, a plurality of connecting through heads are annularly distributed on the arc-shaped grouting pipe, the distribution positions of the connecting through heads on the arc-shaped grouting pipe correspond to and are movably connected with the grouting anchor rod in the roadway, the initial end of the main grouting pipe is connected with a grouting pump, the end is sealed to avoid the grout leakage during grouting, when grouting begins, the grouting pump is used for conveying pressurized grout to the main grouting pipe, in the thick liquid gets into arc slip casting through connecting the logical head, get into the slip casting stock by the logical head of connection on the arc slip casting pipe again, accomplish the slip casting, because arc slip casting pipe is responsible for with the slip casting and adopts to be connected the parallel setting of logical head, as long as the slip casting power is guaranteed to the grouting pump, just so can satisfy a large amount of slip casting holes and slip casting simultaneously, greatly improves slip casting efficiency, the utility model has the advantages of simple structure, only need connect the logical head and be responsible for and the arc slip casting pipe according to certain requirement through connecting, easy operation, through supply the slip casting pipe with the slip casting be responsible for with the slip casting pump intercommunication can, open the slip casting pump and just can realize porous simultaneous grouting.

Further, as preferred, be equipped with first stop valve on the confession thick liquid pipeline between grouting pump and the slip casting person in charge, the slip casting is responsible for and is equipped with a plurality of second stop valves at the interval, and the second stop valve is located between two arc slip casting pipes, arc slip casting pipe all is equipped with the third stop valve with the slip casting person in charge junction, be equipped with the fourth stop valve on the pipe connection of arc slip casting pipe and slip casting stock.

By adopting the technical scheme, the grouting pipe between the grouting pump and the grouting main pipe is provided with the first stop valve for controlling the amount of grout input into the grouting main pipe, and can be used for stopping the input of the grout if the grouting pipe is abnormal, the grouting main pipe is provided with a plurality of second stop valves at intervals, each second stop valve is positioned between two arc-shaped grouting pipes and is used for carrying out isolating control on the grout transmission in the grouting main pipe, if a certain section of the grouting main pipe is abnormal, the grouting main pipe can be stopped at intervals, the joint of the arc-shaped grouting pipes and the grouting main pipe is provided with the third stop valve which is arranged at the starting end of the arc-shaped grouting pipes and is used for controlling the grout input amount in each arc-shaped grouting pipe, the pipeline connection of the arc-shaped grouting pipes and the grouting anchor rods is provided with the fourth stop valve for stopping the grouting into the grouting anchor rods, and if abnormal conditions such as grout leakage and the like occur in a certain arc-shaped grouting pipe or a certain grouting anchor rod in the grouting process, the stop valve that corresponds with this position can be closed, wait to open the stop valve again after unusual circumstances such as leaking thick liquid are handled and continue the slip casting, does not influence other grouting holes normal slip casting at this in-process, and the slip casting pump also need not shut down and can realize continuous construction, has improved slip casting efficiency of construction greatly.

Preferably, a check valve is arranged on a connecting pipeline of the fourth stop valve and the grouting anchor rod, and the check valve is in threaded matching connection with the grouting anchor rod.

Owing to adopt above-mentioned technical scheme, install the check valve on the connecting line between fourth stop valve and the slip casting stock, the check valve can effectually prevent to return the thick liquid, adopt screw thread accordant connection between check valve and the slip casting stock, be convenient for installation and dismantlement, improve the operating efficiency, can also install a change head between check valve and slip casting stock, change head one end and check valve export matching, the other end matches with the slip casting stock import, can switch the slip casting stock of different specifications as required like this, and is nimble changeable, adapts to the on-the-spot needs.

Further, preferably, the tail ends of the arc-shaped grouting pipes are connected with pressure relief valves. All be connected with a relief valve at the end of every arc slip casting pipe, just need not seal this end at other parts of installation, the relief valve can also prevent that grouting pipe line internal pressure is too high, cause the risk of bursting, the relief valve is in time opened in the slip casting completion, the slip casting pump simultaneously pumps the clear water and washes the pipeline, can prevent that the pipeline from being solidified by the thick liquid and blockking up, both realize the effect of valve closure, can also realize the effect of pressure release explosion-proof pipe, material cost is saved, the security of slip casting construction has been improved simultaneously.

Further, as preferred, connect logical head to be 90 two-way joint, T type three way connection, four way connection, the cooperation of multiple joint is used, has optimized more the utility model discloses the structure reduces unnecessary slip casting pipeline, has practiced thrift the cost.

Further, as preferred, slip casting is responsible for the end and is equipped with 90 two-way joints, and one end is responsible for the intercommunication with the slip casting, and the other end is responsible for the intercommunication with the arc slip casting, and other arc slip casting pipes are responsible for with the slip casting and are connected the logical head and be T type three way connection, the annular connection logical head that distributes on the arc slip casting is T type three way connection.

Owing to adopt above-mentioned technical scheme, the end-to-end connection that the slip casting was responsible for is 90 two-way joint, and this two-way joint one end is responsible for the intercommunication with the slip casting, and the other end and arc slip casting pipe intercommunication just need not just so need not be responsible for the end at the slip casting and adopt other parts to seal the processing, have practiced thrift partial material cost, and all the other arc slip casting pipes are responsible for with the slip casting and are connected logical head and be T type three way connection, the last annular distribution of arc slip casting pipe is connected logical head and is T type three way connection, and T type three way connection makes the utility model discloses well junction optimization of slip casting pipeline, required material is minimum.

The utility model discloses beneficial effect who has:

1. this network slip casting device has simple structure, high durability and convenient operation, the slip casting pipeline is few, arc slip casting pipe has the check valve that prevents to return the thick liquid between the stock with the slip casting, can prevent that the thick liquid from running off in the slip casting hole, each slip casting hole homoenergetic operates independently and does not influence other hole slip castings, every T type connection on the device leads to the head and is parallel arrangement, be responsible for the intraductal slip casting of arc slip casting through a slip casting, consequently, can guarantee that the pressure in every slip casting hole keeps the same, as long as the power of slip casting pump can guarantee, the hole number of slip casting is unrestricted simultaneously, greatly improve slip casting efficiency.

2. After the inspection slip casting pipe connection has no problem, start the slip casting pump and begin the slip casting, if the abnormal conditions such as certain slip casting hole hourglass thick liquid appear in the in-process of slip casting, can close the stop valve on corresponding the pipeline with this slip casting hole, wait to open the stop valve again after the abnormal conditions such as hourglass thick liquid are handled and continue the slip casting, do not influence other slip casting hole normal slip casting at this in-process, the slip casting pump also need not shut down and can realize continuous construction, the slip casting efficiency of construction has been improved greatly. The pressure release valve can effectually prevent that pressure is too big to take place the risk of bursting among the slip casting process, and slip casting finishes in time opening the pressure release valve, and the pump of slip casting simultaneously pumps the clear water and washes the pipeline, can prevent that the pipeline from being blockked up by the thick liquid.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view;

fig. 3 is a schematic view of a connection structure of two rows of grouting simultaneously.

Reference numerals: the grouting device comprises a grouting main pipe 1, an arc-shaped grouting pipe 2, a grouting pump 3, a first stop valve 4, a second stop valve 5, a third stop valve 6, a fourth stop valve 7, a grouting anchor rod 8, a 9-T-shaped three-way joint, a 10-90-degree two-way joint, a 11-four-way joint, a 12-pressure release valve, a 13-one-way valve, a 14-roadway and a 15-fifth stop valve.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The utility model provides a network slip casting device, includes the slip casting pipeline, connects logical head, the slip casting pipeline includes that the slip casting that arranges along 14 axial in tunnel is responsible for 1 and arc

slip casting pipe

2, and 2 one ends of arc slip casting pipe are responsible for 1 and are connected through being connected the head with the slip casting, a plurality of connection logical heads that distribute of annular on the arc slip casting pipe 2, the connection on the arc slip casting pipe 2 leads to first distribution position and the slip casting stock 8 in the tunnel 14 correspond and swing joint, and the slip casting is responsible for 1 top and is connected with grouting pump 3, terminal sealing treatment.

Connect logical first 90 two-way joint 10, T type three way connection 9, four way connection 11, the cooperation of multiple joint is used, has optimized more the utility model discloses the structure reduces unnecessary slip casting pipeline, has practiced thrift the cost.

Specifically, as shown in fig. 1-2, the utility model discloses a slip casting pipeline and be used for the through connection head of tube coupling, slip casting main pipe 1 and arc slip casting pipe 2 all adopt flexible high-pressure rubber tube, the high-pressure rubber tube has good resistance to compression bearing capacity and makes things convenient for the connection effect, connect the through connection head and use with the high-pressure rubber tube is supporting, the slip casting pipeline includes slip casting main pipe 1 and arc slip casting pipe 2 along 14 axial arrangements in tunnel, slip casting main pipe 1 can adopt current clamp fixed mode to fix the inside wall in tunnel 14, the length of slip casting main pipe 1 and arc slip casting pipe 2 is confirmed according to required slip casting hole interval, the length of arc slip casting pipe 2 will be greater than the interval of slip casting stock 8, can make things convenient for the job site to appear slip casting stock 8 installation interval error also can normally connect; the inner diameter of each pipeline is determined according to the size of grouting quantity, when multiple rows of grouting holes are needed to be grouted simultaneously, multiple rows of arc-shaped grouting pipes 2 are connected in parallel on a grouting main pipe 1 at intervals, one ends of the arc-shaped grouting pipes 2 and the grouting main pipe 1 are connected in parallel on the grouting main pipe 1 through T-shaped three-way joints 9, specifically, the first connecting through head is a T-shaped three-way joint 9, one straight port of each three-way joint is communicated with the grouting main pipe 1, the other port of each three-way joint is connected with a grouting pipe of a grouting pump 3, and the vertical third port of each three-way joint is communicated with the arc-shaped grouting pipe; the connecting through heads in the middle of the main grouting pipe 1 are T-shaped three-way joints 9, two through ports are respectively connected with the main grouting pipe 1 in the network grouting device, and the third port is communicated with the arc-shaped grouting pipe 2; the connecting through head at the tail end of the grouting main pipe 1 is a 90-degree two-way connector 10, one port is connected with the grouting main pipe 1 in the network grouting device, and the other port is connected with the arc-shaped grouting pipe 2, so that other parts do not need to be adopted at the tail end of the grouting main pipe 1 for sealing treatment, partial material cost is saved, and the same pressure of slurry in each arc-shaped grouting pipe 2 can be ensured; the other end of each arc-shaped grouting pipe 2 is sealed, so that slurry leakage during grouting is avoided, the end of each arc-shaped grouting pipe 2 is connected with a pressure release valve 12, other parts do not need to be installed to seal the end, the pressure release valves 12 can prevent the risk of pipe explosion caused by overhigh pressure in the grouting pipeline, the pressure release valves 12 are opened in time after grouting is finished, and meanwhile, the grouting pump 3 sucks clear water to flush the pipeline, so that the pipeline can be prevented from being solidified and blocked by slurry, the valve sealing effect is realized, the pressure release and pipe explosion prevention effects can be realized, the material cost is saved, and the grouting construction safety is improved; the utility model has the advantages of simple structure, only need connect grouting main pipe 1 and arc slip casting pipe 2 according to certain requirement through connecting the through-head, easy operation, only need to communicate grouting main pipe 1 and grouting pump 3 through the grout supply pipe because arc slip casting pipe 2 is parallelly connected on grouting main pipe 1, as long as grouting pump 3 guarantees grouting power, can satisfy a large amount of slip casting holes and simultaneously slip casting, greatly improve grouting efficiency, the utility model has the advantages of simple structure, only need connect grouting main pipe 1 and arc slip casting pipe 2 through connecting the through-head, easy operation, and the grouting pump 3 is started to realize the simultaneous porous grouting.

Example 2

On the basis of the above embodiment, be equipped with first stop valve 4 on the confession thick liquid pipeline between grouting pump 3 and the slip casting person in charge 1, the slip casting is responsible for 1 and is equipped with a plurality of second stop valves 5 at the interval, and second stop valve 5 is located between two arc slip casting pipes 2, arc slip casting pipe 2 is responsible for 1 junction with the slip casting and is equipped with third stop valve 6, be equipped with fourth stop valve 7 on arc slip casting pipe 2 and the pipe connection of slip casting stock 8.

Specifically, as shown in fig. 1, a first stop valve 4 is installed on a grout supply pipeline between a grouting pump 3 and a grouting main pipe 1, and is used for controlling the amount of grout input into the grouting main pipe 1, and if the grouting pipeline is abnormal, the grouting main pipe 1 can be used for stopping the input of grout, a plurality of second stop valves 5 are installed at intervals on the grouting main pipe 1, each second stop valve 5 is located between two arc-shaped grouting pipes 2 and is used for carrying out isolated control on the grout transmission in the grouting main pipe 1, if a section of the grouting main pipe 1 is abnormal, the grouting main pipe 1 can be stopped at intervals, when a plurality of rows of grouting pipes are required, a third stop valve 6 is installed at the joint of each arc-shaped grouting pipe 2 and the grouting main pipe 1, the third stop valve 6 is installed at the beginning end of each arc-shaped grouting pipe 2 and is used for controlling the grout input amount in each arc-shaped grouting pipe 2, and a fourth stop valve 7 is installed on the pipeline connection between each arc-shaped grouting pipe 2 and an anchor rod 8, the stop valve is used for stopping grouting into the grouting anchor rod 8, if abnormal conditions such as slurry leakage occur in a certain arc-shaped grouting pipe 2 or a certain grouting anchor rod 8 in the grouting process, the stop valve corresponding to the position can be closed, the stop valve is opened after the abnormal conditions such as slurry leakage are well treated, the grouting is continued, normal grouting of other grouting holes is not influenced in the process, the grouting pump 3 does not need to be stopped to realize continuous construction, and the grouting construction efficiency is greatly improved.

Example 3

On the basis of the above embodiment, a check valve 13 is arranged on a connecting pipeline between the fourth stop valve 7 and the grouting anchor rod 8, and the check valve 13 is in threaded matching connection with the grouting anchor rod 8.

Specifically, as shown in fig. 2, install check valve 13 on the connecting pipeline between fourth stop valve 7 and the slip casting stock 8, check valve 13 can effectually prevent to return thick liquid, adopt screw thread accordant connection between check valve 13 and the slip casting stock 8, be convenient for installation and dismantlement, improve the operating efficiency, can also install a change head between check valve 13 and slip casting stock 8, the change head is the different joint of both ends diameter, in order to conveniently to articulate the accessory of different diameters, change head one end and 13 exports the matching of check valve, the other end matches with the import of slip casting stock 8, can switch the slip casting stock 8 of different specifications as required like this, and is nimble changeable, adapts to the on-the-spot needs.

Example 4

On the basis of the above embodiment, as shown in fig. 3, in another connection mode when more than two rows of grouting holes need to be grouted simultaneously, the first or middle connection through head of the first row described in embodiment 1 may be replaced by a four-way joint 11, then two rows of arc-shaped grouting pipes 2 are connected together through a high-pressure rubber pipe, a fifth stop valve 15 is installed on the high-pressure rubber pipe connected at this position, the specifications of the connection through heads of the second row of arc-shaped grouting pipes 2 and the high-pressure rubber pipe are matched, two ends of the high-pressure rubber pipe used for connection are connected with the four-way joint 11 on the arc-shaped grouting pipe 2 through a 90-degree direct joint 10, and two ends of the second row of arc-shaped grouting pipes 2 can be provided with pressure relief valves 12. By analogy, the third row has the same connection mode, and no matter how many rows of grouting holes perform grouting simultaneously, all rows of grouting devices can be connected for grouting only by changing the through connection heads on the arc-shaped grouting pipes 2. When the network grouting device is installed, the connection through head on each row of arc-shaped grouting pipes 2 is connected with the grouting anchor rod 8 in the grouting hole, then the grouting pipe of the grouting pump 3 is connected with the first row of arc-shaped grouting pipes 2, if the grouting number is more, the joint connection through head near the middle of the optional network is connected with the grouting pump 3, and thus the balanced diffusion of the pressure of the grout in the pipe can be ensured.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a network slip casting device, a serial communication port, includes the slip casting pipeline, connects logical head, the slip casting pipeline includes that the slip casting of arranging along tunnel (14) axial is responsible for (1) and arc slip casting pipe (2), and arc slip casting pipe (2) one end is responsible for (1) and leads to the head with the slip casting and is connected through being connected, a plurality of connections of annular distribution lead to the head on arc slip casting pipe (2), and the connection on arc slip casting pipe (2) leads to first distribution position and slip casting stock (8) in tunnel (14) correspond and can dismantle the connection, and the slip casting is responsible for (1) top and is connected with slip casting pump (3), terminal closure processing.

2. The network grouting device according to claim 1, wherein a first stop valve (4) is arranged on a grout supply pipeline between the grouting pump (3) and the grouting main pipe (1), a plurality of second stop valves (5) are arranged on the grouting main pipe (1) at intervals, the second stop valves (5) are located between the two arc-shaped grouting pipes (2), a third stop valve (6) is arranged at the joint of the arc-shaped grouting pipe (2) and the grouting main pipe (1), and a fourth stop valve (7) is arranged on the pipeline connection of the arc-shaped grouting pipe (2) and the grouting anchor rod (8).

3. The network grouting device according to claim 2, characterized in that a check valve (13) is arranged on a connecting pipeline of the fourth stop valve (7) and the grouting anchor rod (8), and the check valve (13) is in threaded matching connection with the grouting anchor rod (8).

4. The network grouting device according to claim 1, characterized in that the ends of the arc grouting pipes (2) are connected with pressure relief valves (12).

5. A network grouting device according to claim 1, characterised in that said connection through is a 90 ° two-way connection (10) or a T-tee connection (9) or a four-way connection (11).

6. The network grouting device according to claim 1, characterized in that the end of the main grouting pipe (1) is provided with a 90 ° two-way joint (10), one end of the two-way joint is communicated with the main grouting pipe (1), the other end of the two-way joint is communicated with the arc-shaped grouting pipe (2), the connection through heads of the other arc-shaped grouting pipes (2) and the main grouting pipe (1) are T-shaped three-way joints (9), and the connection through heads distributed annularly on the arc-shaped grouting pipes (2) are T-shaped three-way joints (9).