One-way grouting pipeline for grouting machine

Abstract

The utility model discloses a one-way grouting pipeline for a grouting machine, which belongs to the technical field of grouting machines and comprises a piston pipeline and two one-way valves, a moving block and a piston rod are arranged in the piston pipeline, and the two one-way valves are positioned on the upper side and the lower side of the piston pipeline; the one-way valve comprises a connector and a valve cylinder. The valve cylinder internally comprises a ball body, a protruding block and an annular piece. The one-way valve is connected with the piston pipeline through the double nipple, the one-way valve can be conveniently replaced, the one-way valve can adapt to the piston pipelines of different specifications, the adaptation capacity of the one-way valve is improved, the one-way valve can independently disassemble the valve cylinder, the interior of the valve cylinder can be conveniently cleaned, and slurry attached to the inner wall of the valve cylinder and the surface of the ball is removed; the use effect of the one-way valve is ensured; the one-way valve with the ball with the small diameter can be selected for use according to the actual use condition, the weight of the ball is reduced, the phenomenon that the gravity of the steel ball cannot be overcome by the pressure generated by slurry suction is avoided, only the valve body needs to be replaced, and the operation is very convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of grouting machine, concretely relates to a one-way grouting pipeline for grouting machine. BACKGROUND

[0002] In coal mine, iron mine and well wall waterproof, reinforcement engineering, and subway, tunnel, water conservancy, building engineering, grouting pump is needed to carry out injection plugging water, foundation reinforcement etc. The suction inlet and the output of grouting pump are designed on the side of piston, and the continuous grouting process of slurry is realized through the reciprocating operation of piston.

[0003] In the movement process of piston, the suction inlet and the output are sealed by steel ball, but because the diameter of suction inlet and output is big, that is, the diameter of sealed steel ball is big, the self weight of steel ball is big, the suction pressure can not overcome the gravity of steel ball, which leads to the phenomenon that steel ball can not be opened and closed, and the use effect of one-way valve is reduced, and it is not easy to clean, so the one-way grouting pipeline for grouting pump is needed to be designed to work smoothly, so that it can work stably. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the technical deficiency of the above-mentioned technical field and provides a one-way grouting pipeline for grouting machine.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a one-way grouting pipeline for grouting machine, which comprises piston pipeline and one-way valve, the piston pipeline is internally provided with moving block and piston rod, the moving block is fixedly connected on the end head of piston rod, and the moving block is provided with sealing ring, the upper side and the lower side of piston pipeline are provided with connecting hole, the number of one-way valve is two and is located on the upper and lower sides of piston pipeline, the one-way valve comprises connector and valve cylinder, and the connector is connected with valve cylinder through thread, the connector of one-way valve on the lower side is connected with connecting hole through opposite screw connection, and the valve cylinder of one-way valve on the upper side is connected with connecting hole through opposite screw connection, the valve cylinder internally comprises ball, convex block and annular sheet, the number of convex block is three, and the three convex blocks are distributed with interval of 120 degrees, the convex block is L-shaped, the convex block bottom is fixedly connected with annular sheet, the inner ring diameter of annular sheet is less than the diameter of ball, and the surface of ball is provided with convex block inner side face.

[0006] Preferably, the number of sealing rings is at least two.

[0007] The utility model discloses a beneficial effect is: 1. One -way valve passes through the piston pipeline of silk connection, can conveniently replace one -way valve to can make one -way valve adapt to different specifications of piston pipeline, increase the adaptive capacity of one -way valve, and one -way valve can be taken off alone valve cylinder, clean the inside of valve cylinder, remove the slurry attached to the inner wall of valve cylinder and the surface of ball, ensure the use effect of one -way valve, through setting up different one -way valve specifications, namely the size of annular piece inner ring is different and the thickness of boss is different, and the diameter size of ball is also different, can according to actual use situation, select the one -way valve with smaller diameter ball and use, reduce the weight of ball, avoid the phenomenon that the slurry suction pressure cannot overcome the gravity of ball, and only need to replace valve body, it is very convenient.

[0008] 2. When liquid slurry is sucked, the moving block moves to the right, the pressure in the piston pipeline changes, the bottom side of the ball in the valve cylinder of the upper one-way valve abuts against the surface of the annular piece inner ring, the ball in the valve cylinder of the lower one-way valve rises and leaves the annular piece, the liquid slurry enters the piston pipeline in the space between the ball and the valve cylinder, when the liquid slurry is discharged, the moving block moves to the left, the ball in the valve cylinder of the upper one-way valve rises and leaves the annular piece, the bottom side of the ball in the valve cylinder of the lower one-way valve abuts against the surface of the annular piece inner ring, the liquid slurry is discharged from the upper one-way valve, and a grouting process is completed, the overall structure has a good one-way conduction effect, is compact in structure, and has strong preparation economy. BRIEF DESCRIPTION OF DRAWINGS

[0009] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without the creative labor of the ordinary skilled in the art.

[0010] Figure 1 It is the structure explosion schematic drawing of the utility model;

[0011] Figure 2 It is the structure explosion schematic drawing of one -way valve;

[0012] Figure 3 It is the internal structure schematic drawing of valve cylinder;

[0013] Figure 4 It is the structure explosion schematic drawing of the utility model when sucking slurry;

[0014] Figure 5 It is the structure explosion schematic drawing of the utility model when discharging slurry.

[0015] In the figure, 1. piston pipeline, 2. check valve, 3. moving block, 4. piston rod, 5. sealing ring, 6. connecting hole, 7. joint, 8. valve barrel, 9. pair of silk, 10. ball, 11. protruding block, 12. annular sheet. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.

[0017] REFERENCE Figures 1-5 The embodiment provides a one-way grouting pipeline for a grouting machine, which comprises a piston pipeline 1 and a check valve 2. The piston pipeline 1 is internally provided with a moving block 3 and a piston rod 4. The moving block 3 is fixedly connected to the end of the piston rod 4, and the moving block 3 is provided with a sealing ring 5. The piston pipeline 1 is provided with connecting holes 6 on the upper side and the lower side. The check valve 2 is two in number and is located on the upper and lower sides of the piston pipeline 1. The check valve 2 comprises a joint 7 and a valve barrel 8, and the joint 7 is connected to the valve barrel 8 through threads. The joint 7 of the check valve 2 located on the lower side is connected to the connecting hole 6 through a pair of silk 9, and the valve barrel 8 of the check valve 2 located on the upper side is connected to the connecting hole 6 through a pair of silk 9. The valve barrel 8 internally comprises a ball 10, three protruding blocks 11 and an annular sheet 12. The three protruding blocks 11 are distributed at intervals of 120 degrees. The protruding block 11 is L-shaped, the bottom of the protruding block 11 is fixedly connected to the annular sheet 12, the inner diameter of the annular sheet 12 is smaller than the diameter of the ball 10, and the inner side surface of the protruding block 11 is arranged on the surface of the ball 10.

[0018] The number of the sealing ring 5 is at least two, and the sealing effect is increased.

[0019] When the utility model is used, the check valve 2 is connected to the piston pipeline 1 through a pair of silk 9, the check valve 2 can be conveniently replaced, the check valve 2 can adapt to piston pipelines 1 of different specifications, the adaptive capacity of the check valve 2 is increased, the valve barrel 8 can be individually detached from the check valve 2, the inside of the valve barrel 8 can be conveniently cleaned, the slurry attached to the inner wall of the valve barrel 8 and the surface of the ball 10 can be removed, and the use effect of the check valve 2 is ensured. By setting different specifications of the check valve 2, i.e. different sizes of the inner circle of the annular sheet 12 and different thicknesses of the protruding block 11, and the diameter of the ball 10 is also different, the check valve 2 with a smaller diameter ball 10 can be selected according to the actual use condition, the weight of the ball 10 is reduced, the phenomenon that the slurry suction pressure cannot overcome the gravity of the ball 10 is avoided, and only the valve body needs to be replaced, which is very convenient.

[0020] When the liquid slurry is sucked, the moving block 3 moves to the right side, the pressure in the piston pipeline 1 changes, the bottom side of the ball 10 in the valve cylinder 8 of the upper one-way valve 2 abuts against the inner circle surface of the annular sheet 12, the ball 10 in the valve cylinder 8 of the lower one-way valve 2 rises and leaves the annular sheet 12, the liquid slurry enters the piston pipeline 1 in the space between the ball 10 and the valve cylinder 8, when the liquid slurry is discharged, the moving block 3 moves to the left side, the ball 10 in the valve cylinder 8 of the upper one-way valve 2 rises and leaves the annular sheet 12, the bottom side of the ball 10 in the valve cylinder 8 of the lower one-way valve 2 abuts against the inner circle surface of the annular sheet 12, the liquid slurry is discharged from the upper one-way valve 2, and one grouting process is completed, the whole structure has good one-way conduction effect, is compact in structure, and has strong preparation economy.

[0021] Of course, the above description is not limited to the above examples, and the technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not a limitation on the utility model, the utility model is described in detail with reference to the preferred embodiments, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.

Claims

1. A one-way grouting pipe for a grouting machine, characterized by, Including piston pipeline (1) and check valve (2), the piston pipeline (1) inside is equipped with moving block (3) and piston rod (4), moving block (3) is fixedly connected on the end of piston rod (4), and the moving block (3) is equipped with sealing ring (5);Piston pipeline (1) upper side and lower side are equipped with connecting hole (6);The number of check valve (2) is two and is located in the upper and lower sides of piston pipeline (1);The check valve (2) includes joint (7) and valve cylinder (8), and the joint (7) is connected with the valve cylinder (8) by thread;The joint (7) of check valve (2) located in the lower side is connected with connecting hole (6) by pair of silk (9), and the valve cylinder (8) of check valve (2) located in the upper side is connected with connecting hole (6) by pair of silk (9);The valve cylinder (8) inside includes ball (10), tab (11), annular sheet (12), the number of tab (11) is three, and three tabs (11) are distributed with interval 120 degrees between them;Tab (11) is L-shaped, and the bottom of tab (11) is fixedly connected with annular sheet (12), the inner ring diameter of annular sheet (12) is less than the diameter of ball (10), and the surface of ball (10) is fitted with the inner side of tab (11).

2. The one-way grouting line for a grouting machine according to claim 1, characterized in that, The number of sealing ring (5) is at least two.

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