Sleeve valve pipe grouting auxiliary device and using method and application thereof

Abstract

The invention discloses a sleeve valve pipe grouting auxiliary device and a using method and application thereof. The sleeve valve pipe grouting auxiliary device comprises an outer sliding bushing, agrouting steel pipe arranged in the sliding bushing in a sliding mode, and an inner sliding block welded to the outer wall of the middle of the pipe section, located in the outer sliding bushing, of the grouting steel pipe. At least two balancing weights are evenly distributed on the outer circle surface of the lower end of the outer sliding bushing through a connecting mechanism. The upper extending end of the grouting steel pipe is in threaded connection with a grout inlet pipe, and the lower extending end of the grouting steel pipe is in threaded connection with a grouting core pipe. The inner sliding block is in sliding fit with the inner wall of the outer sliding bushing, and the outer circle surfaces of the pipe sections, located on the upper side and lower side of the inner slidingblock, of the grouting steel pipe are sleeved with an upper spring and a lower spring separately. A scaleplate is arranged on any one of the upper end face and the lower end face of the outer slidingbushing in a penetrating mode, and the end, located in the outer sliding sleeve, of the scaleplate is in threaded connection with the inner sliding block. The sleeve valve pipe grouting auxiliary device is convenient to use, the grouting pipe can be supported and fixed, the labor intensity of workers is relieved, the value of approximate pressure of current stratum grouting is obtained, and workers are guided to conduct reasonable operation.

Description

technical field [0001] The invention relates to a sleeve valve pipe grouting auxiliary device and its use method and application, in particular to the use of a sleeve valve pipe grouting auxiliary device when the ground is reinforced by the sleeve valve pipe grouting method. Background technique [0002] As an advanced grouting process with strong applicability, sleeve valve pipe grouting can not only improve the bearing capacity of the ground, but also have the effect of anti-seepage and plugging in grouting reinforcement projects such as rail transit, highway, and pile foundation underpinning . [0003] At present, during the grouting process of the sleeve valve pipe, the grouting operator holds the grouting pipe by hand or uses a pipe wrench to ensure the position of the grouting pipe. During the grouting process, the operator feels the upward force of the grouting pipe Or listen to the vibration sound of the grouting pipeline to judge the grouting condition empirically,...

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Problems solved by technology

[0003] At present, during the grouting process of the sleeve valve pipe, the grouting operator holds the grouting pipe by hand or uses a pipe wrench to ensure the position of the grouting pipe. During the grouting process, the operator feels the upward force of the grouting pipe Or listen to the vibration sound of the grouting pipeline to judge the grouting condition empirically, which is labor-intensive and prone to fatigue, and requires the operator to have strong experience. The data obtained by this method of judging the grouting pressure is extremely inaccurate Accurate, seriously affecting the quality of grouting

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