CN215371532U

CN215371532U - Slurry outlet pipeline pressure stabilizing device for hydraulic grouting pump

Info

Publication number: CN215371532U
Application number: CN202022550633.3U
Authority: CN
Inventors: 林金栋; 李镇明; 陈聪; 刘益民
Original assignee: ZHENJIANG GREAT WALL GROUTING EQUIPMENT CO Ltd
Current assignee: ZHENJIANG GREAT WALL GROUTING EQUIPMENT CO Ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-12-31
Anticipated expiration: 2030-11-06

Abstract

The utility model relates to a slurry outlet pipeline pressure stabilizing device for a hydraulic grouting pump, which comprises a pressure stabilizing tank body, wherein the upper end and the lower end of the pressure stabilizing tank body are fixedly provided with connecting flanges, the two connecting flanges at the upper end and the lower end of the pressure stabilizing tank body are respectively provided with an upper flange and a lower flange, one opposite sides of the upper flange and the lower flange are respectively provided with a sealing end, the sealing ends are embedded into the connecting flanges and are attached to the inner walls of the connecting flanges, a slurry inlet hole and a slurry outlet hole are formed in the lower flange in a penetrating manner, the bottom end of the lower flange is provided with a slurry inlet connector and a slurry outlet connector, the upper end of the lower flange is provided with a slurry damping pipe, the slurry damping pipe is positioned at the slurry inlet hole, the slurry damping pipe is arranged in a structure with a hollow middle part and a closed top end, and the side wall of the slurry damping pipe is provided with a plurality of through holes for circulating slurry; after the slurry enters the slurry damper, the slurry can be completely unloaded under the action of the slurry damper and the buffer air at the top of the inner cavity of the tank body. The problem of pipeline rock is solved.

Description

Slurry outlet pipeline pressure stabilizing device for hydraulic grouting pump

Technical Field

The utility model belongs to the technical field of grouting pumps, and particularly relates to a slurry outlet pipeline pressure stabilizing device for a hydraulic grouting pump.

Background

Because of the structural limitation of hydraulic grouting pump, hydraulic grouting pump is discontinuous discharge thick liquid at the in-process of discharge thick liquid, will lead to like this to rock at the slip casting in-process with the play thick liquid pipeline that the grouting pump grout outlet is connected, especially in high pressure slip casting, the rocking of pipeline is more serious. Because general slip casting in-process all puts the pipeline on ground or hangs on the wall, long-time rocking will lead to out the wearing and tearing of thick liquid pipeline, and the joint and the slip casting mouth hole packer department that are connected with a thick liquid pipeline all can lead to the fact not hard up because rocking to and the thick liquid manometer in the pipeline will lead to the manometer to damage because rocking very fast, has seriously influenced slip casting construction quality and construction progress. The existing method is that a heavy object is adopted to press the slurry outlet pipeline, or a fastening piece is adopted to fasten and fix the slurry outlet pipeline, so that the method cannot completely solve the problem of shaking of the pipeline, and does not fundamentally solve the problems of shaking of the pipeline and damage of a slurry pressure gauge.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problems and discloses a slurry outlet pipeline pressure stabilizing device for a hydraulic grouting pump, which can fundamentally solve the problem of shaking of a slurry outlet pipeline and the condition of failure and damage of a slurry pressure gauge caused by shaking.

The specific technical scheme is as follows:

the pressure stabilizing device for the slurry outlet pipeline of the hydraulic grouting pump comprises a pressure stabilizing tank body, wherein the upper end and the lower end of the pressure stabilizing tank body are fixedly provided with connecting flanges, the two connecting flanges at the upper end and the lower end of the pressure stabilizing tank body are respectively fixedly provided with an upper flange and a lower flange through bolts, one opposite sides of the upper flange and the lower flange are respectively provided with a sealing end, the sealing ends are embedded into the connecting flanges and are attached to the inner walls of the connecting flanges, the lower flange is provided with a slurry inlet hole and a slurry outlet hole in a penetrating manner, the bottom end of the lower flange is respectively provided with a slurry inlet interface and a slurry outlet interface which are communicated with the slurry inlet hole and the slurry outlet hole, the slurry inlet interface is connected with a slurry outlet of a grouting pump, the slurry outlet interface is connected with a slurry outlet pipeline of long-distance conveying, the upper end of the lower flange is vertically provided with a slurry damping pipe, the slurry damping pipe is positioned at the slurry inlet hole, and the slurry damping pipe is arranged in a hollow middle structure and has a closed top end, the side wall of the slurry damping pipe is provided with a plurality of through holes for slurry to flow through; the upper flange is fixedly provided with a fixed seat in a welding mode, the fixed seat is communicated with the inner cavity of the pressure stabilizing tank body, and a slurry meter assembly used for measuring grouting pressure is arranged on the fixed seat.

Further, thick liquid meter subassembly includes pressure measurement piston body, pressure measurement piston, manometer, pressure meter connector and fixation nut, the embedding of pressure measurement piston body lower extreme sets up in the fixing base, is equipped with the spacing ring on the pressure measurement piston upper end lateral wall, the spacing ring supports and leans on the fixing base top and fixes through fixation nut, and the upper and lower both ends of pressure measurement piston body are the opening setting, and the inner chamber upper end screw thread of pressure measurement piston body the pressure meter connector sets up on the pressure meter connector the manometer, the inner chamber lower extreme of pressure measurement piston body sets up the pressure measurement piston for it holds the chamber to form hydraulic oil between pressure measurement piston and the pressure meter connector.

Furthermore, a first sealing element is arranged between the limiting ring and the top end of the inner wall of the fixing seat.

Furthermore, a second sealing element and a third sealing element are respectively arranged between the side wall of the pressure gauge joint and the side wall of the pressure measuring piston and the inner wall of the pressure measuring piston body.

Furthermore, the side wall of the pressure stabilizing tank body is provided with a mounting seat.

Furthermore, a pressure relief valve is connected to the side wall of the pressure stabilizing tank body.

Furthermore, fourth sealing elements are arranged between the upper flange and the connecting flange, and between the lower flange and the connecting flange.

Furthermore, a fifth sealing element is arranged between the side wall of the sealing end and the inner wall of the connecting flange.

The utility model has the beneficial effects that:

(1) through with surge tank direct mount in grouting pump equipment, form the part of an equipment, the pipeline need not be fixed with the help of external force, has solved the problem of pipeline wearing and tearing. During the work, after the thick liquid enters into thick liquid attenuator from advancing the thick liquid mouth, under thick liquid attenuator and jar body inner chamber top buffering air's effect, the thick liquid power way of grouting pump delivery can be fallen by the complete off-load, discharges through the grout outlet, and fundamentally has solved the problem that the pipeline rocked to and the thick liquid table is because of rocking the easy damaged condition.

(2) The top of surge tank is provided with the thick liquid meter subassembly that is used for measuring surge tank pressure to adopt the pressure measurement piston to be used for isolated thick liquid and the contact of manometer, and arranged the sealing member on the axial of pressure measurement piston, pressure meter connector, further guaranteed the leakproofness, the practicality is high.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic diagram of the structure of the slurry gauge assembly of the present invention.

Fig. 3 is an enlarged schematic view of a point a in fig. 1.

Description of the reference numerals

The pressure stabilizing tank comprises a pressure stabilizing tank body 1, a connecting flange 2, a fourth sealing element 21, an upper flange 3, a fixed seat 31, a first sealing element 311, a lower flange 4, a slurry inlet hole 41, a slurry inlet interface 42, a slurry outlet interface 43, a sealing end 44, a fifth sealing element 441, a slurry damping tube 45, a through hole 451, a slurry meter component 5, a pressure measuring piston body 51, a limiting ring 511, a pressure measuring piston 52, a third sealing element 521, a pressure gauge 53, a pressure gauge joint 54, a second sealing element 541, a fixing nut 55, a hydraulic oil containing cavity 56, a pressure relief valve 6 and a mounting seat 7.

Detailed Description

In order to make the technical scheme of the utility model clearer and clearer, the utility model is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the utility model falls into the protection scope of the utility model. The fixing and the arrangement of the fixing and the connection are all general connection modes in the mechanical field, and the fixing and the connection can be performed by welding, bolt and nut connection and screw connection.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-3, the device for stabilizing the slurry outlet pipeline for a hydraulic grouting pump comprises a pressure stabilizing tank body 1, wherein connecting flanges 2 are fixedly arranged at the upper end and the lower end of the pressure stabilizing tank body 1, an upper flange 3 and a lower flange 4 are fixedly arranged on the two connecting flanges 2 at the upper end and the lower end of the pressure stabilizing tank body 1 respectively through bolts, a sealing end 44 is arranged at one side of each of the upper flange 3 and the lower flange 4, the sealing end 44 is embedded into the connecting flange 2 and is attached to the inner wall of the connecting flange 2, a slurry inlet hole 41 and a slurry outlet hole are arranged on the lower flange 4 in a penetrating manner, a slurry inlet interface 42 and a slurry outlet interface 43 which are communicated with the slurry inlet hole 41 and the slurry outlet hole are respectively arranged at the bottom end of the lower flange 4, the slurry inlet interface 42 is connected with the slurry outlet of a grouting pump, the slurry outlet interface 43 is connected with a long-distance slurry outlet pipeline, and a slurry damping pipe 45 is fixedly arranged at the upper end of the lower flange 4, the slurry damping pipe 45 is positioned at the slurry inlet 41, the slurry damping pipe 45 is arranged in a structure with a hollow middle part and a closed top end, and the side wall of the slurry damping pipe 45 is provided with a plurality of through holes 451 for circulating slurry; go up fixed fixing base 31 that is provided with through the welded mode on the flange 3, fixing base 31 and the 1 inner chamber intercommunication of steady voltage jar body, and be provided with the thick liquid table subassembly 5 that is used for measuring slip casting pressure on the fixing base 31.

Further, the grout meter component 5 comprises a pressure measuring piston body 51, a pressure measuring piston 52, a pressure gauge 53, a pressure gauge joint 54 and a fixing nut 55, the lower end of the pressure measuring piston body 51 is embedded in the fixing seat 31, the side wall of the upper end of the pressure measuring piston 52 is provided with a limit ring 511, the limit ring 511 abuts against the top of the fixing seat 31 and is fixed through the fixing nut 55, the upper end and the lower end of the pressure measuring piston body 51 are provided with openings, the upper end of the inner cavity of the pressure measuring piston body 51 is threaded with the pressure gauge joint 54, the pressure gauge 53 is arranged on the pressure gauge joint 54, the pressure measuring piston 52 is arranged at the lower end of the inner cavity of the pressure measuring piston body 51, so that a hydraulic oil containing cavity 56 is formed between the pressure measuring piston 52 and the pressure gauge joint 54, when the grout meter component 5 is installed, the pressure measuring piston 52 is installed at the bottommost in the pressure measuring piston body 51, and then the pressure gauge joint 54 is installed in the pressure measuring piston body 51 through threads, then hydraulic oil is added into the pressure transmission medium, and finally the pressure gauge 53 is connected into the pressure gauge joint 54.

Further, a first sealing element 311 is disposed between the limiting ring 511 and the top end of the inner wall of the fixing seat 31.

Further, a second sealing member 541 and a third sealing member 521 are respectively disposed between the side wall of the pressure gauge joint 54 and the side wall of the pressure measuring piston 52 and the inner wall of the pressure measuring piston body 51, and since the pressure measuring piston 52 and the pressure gauge joint 54 are both axially provided with the sealing members, the grout does not directly contact the pressure gauge 53.

Further, the side wall of the pressure stabilizing tank body 1 is provided with a mounting seat 7, so that the pressure stabilizing tank body 1 can be mounted and fixed conveniently.

Furthermore, a pressure release valve 6 is connected to the side wall of the pressure stabilizing tank body.

Further, a fourth sealing member 21 is arranged between the upper flange 3 and the connecting flange 2, and between the lower flange 4 and the connecting flange.

Further, a fifth sealing member 441 is disposed between the side wall of the sealing end 44 and the inner wall of the connecting flange 2.

The working principle is as follows:

when the grouting machine is used, slurry enters the slurry damping pipe 45 through the slurry inlet hole 41 of the pressure stabilizing tank body, the slurry damping pipe 45 is a machined part which is hollow in the middle and closed at the top, after the slurry enters the slurry damper from the slurry inlet hole 41, the slurry can be unloaded and flows out through the through holes 451 arranged on the side faces and enters the containing cavity of the tank body, air exists in the tank body and the density of the air is lower than that of a material, so that the air always exists at the top of the pressure stabilizing tank body 1 in the grouting process to buffer the slurry, and under the action of the slurry damper and top buffer air, the slurry force channel sent out by the grouting pump can be completely unloaded and is discharged through the slurry outlet hole, and the problem of pipeline shaking is solved.

When the slurry gauge assembly 5 works, the pressure of the slurry pushes the pressure measuring piston 52 to move upwards, and the hydraulic pressure of the hydraulic oil measured by the pressure gauge 53 is the slurry pressure because the hydraulic oil pressure conducting medium exists.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The device for stabilizing the slurry outlet pipeline for the hydraulic grouting pump is characterized by comprising a pressure stabilizing tank body (1), wherein connecting flanges (2) are fixedly arranged at the upper end and the lower end of the pressure stabilizing tank body (1), an upper flange (3) and a lower flange (4) are fixedly arranged on the two connecting flanges (2) at the upper end and the lower end of the pressure stabilizing tank body (1) respectively through bolts, sealing ends (44) are arranged on the opposite sides of the upper flange (3) and the lower flange (4), the sealing ends (44) are embedded into the connecting flanges (2) and are attached to the inner wall of the connecting flanges (2), a slurry inlet hole (41) and a slurry outlet hole are arranged on the lower flange (4) in a penetrating manner, a slurry inlet interface (42) and a slurry outlet interface (43) communicated with the slurry inlet hole (41) and the slurry outlet hole are respectively arranged at the bottom end of the lower flange (4), and a slurry damping pipe (45) is vertically arranged at the upper end of the lower flange (4), the slurry damping pipe (45) is positioned at the slurry inlet hole (41), the slurry damping pipe (45) is arranged in a structure with a hollow middle and a closed top end, and the side wall of the slurry damping pipe (45) is provided with a plurality of through holes (451) for circulating slurry; go up fixed fixing base (31) that is provided with on flange (3), fixing base (31) and surge tank body (1) inner chamber intercommunication, and be provided with grout table subassembly (5) that are used for measuring slip casting pressure on fixing base (31).

2. The slurry outlet pipeline pressure stabilizing device for a hydraulic slurry injection pump according to claim 1, the serosity meter component (5) comprises a pressure measuring piston body (51), a pressure measuring piston (52), a pressure gauge (53), a pressure gauge joint (54) and a fixing nut (55), the lower end of the pressure measuring piston body (51) is embedded in the fixed seat (31), the side wall of the upper end of the pressure measuring piston (52) is provided with a limit ring (511), the limit ring (511) is abutted against the top of the fixed seat (31) and is fixed by a fixing nut (55), the upper end and the lower end of the pressure measuring piston body (51) are provided with openings, the upper end of the inner cavity of the pressure measuring piston body (51) is threaded with the pressure gauge joint (54), the pressure gauge (53) is arranged on the pressure gauge joint (54), the lower end of the inner cavity of the pressure measuring piston body (51) is provided with the pressure measuring piston (52), so that a hydraulic oil chamber (56) is formed between the pressure measuring piston (52) and the pressure gauge joint (54).

3. The slurry outlet pipeline pressure stabilizing device for the hydraulic grouting pump according to claim 2, wherein a first sealing member (311) is arranged between the limiting ring (511) and the top end of the inner wall of the fixed seat (31).

4. The apparatus for stabilizing the slurry outlet pipe for a hydraulic slurry injection pump according to claim 2, wherein a second sealing member (541) and a third sealing member (521) are respectively provided between the side wall of the pressure gauge joint (54) and the side wall of the pressure measuring piston (52) and the inner wall of the pressure measuring piston body (51).

5. The slurry outlet pipeline pressure stabilizing device for the hydraulic grouting pump according to claim 1, characterized in that a mounting seat (7) is arranged on the side wall of the pressure stabilizing tank body (1).

6. The slurry outlet pipeline pressure stabilizing device for the hydraulic grouting pump according to claim 1, wherein a pressure release valve (6) is further connected to the side wall of the pressure stabilizing tank body.

7. The slurry outlet pipeline pressure stabilizing device for the hydraulic grouting pump according to claim 1, wherein a fourth sealing member (21) is arranged between the upper flange (3) and the connecting flange (2) and between the lower flange (4) and the connecting flange.

8. The slurry outlet pipe pressure stabilizing device for the hydraulic slurry injection pump according to claim 1, wherein a fifth sealing member (441) is arranged between the side wall of the sealing end (44) and the inner wall of the connecting flange (2).