Air-entrapping supercharging device for air pressure consolidometer

Abstract

The utility model discloses an air-entrapping pressurizing device for an air pressure consolidometer, which relates to the technical field of air pressure consolidometers and comprises a pressurizing device, one side of the outer wall of the pressurizing device is fixedly connected with a first motor, the top end in the pressurizing device is fixedly connected with a pressurizing pipe, and one side of the inner wall of the pressurizing device is provided with an air hole. When the pressure of gas in the pressurizing device is larger than 80 pounds, the gas can push the sliding assembly to extrude the pressure relief spring, the pressure relief spring is aligned with the second pressure relief groove through the first pressure relief groove, the pressure relief spring is pressed, the pressure relief spring is pressed, and the pressure relief spring is pressed. According to the pressure release device, the pressure release device releases the gas pressure in the pressure device, the situation that the pressure device leaks or even explodes after the gas pressure in the pressure device exceeds the bearing limit is avoided, meanwhile, the safety of the first motor during working is ensured, and the situation that the motor is overheated and breaks down due to the fact that the load is too large is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gas pressure consolidation instrument, specifically a kind of gas pressure consolidation instrument with air-feeding pressurizing device. BACKGROUND

[0002] Gas pressure consolidation instrument is the key instrument for determining the compression performance of soil, widely used in civil engineering field, and its core function is to simulate the compression behavior of soil under different load and lateral restraint conditions, and the loading of soil is realized by accurately controlling air pressure, so as to determine important parameters such as the relationship between deformation and pressure, pore ratio and pressure, and the relationship between deformation and time, gas pressure consolidation instrument has the advantages of high automation degree, simple operation, high measurement accuracy, etc., which can significantly improve test efficiency and reduce human error.

[0003] According to the search, Chinese patent document, announcement number: CN 220960905 U, discloses a kind of air-feeding pressurizing device of gas pressure consolidation instrument, the utility model discloses a kind of air-feeding pressurizing device of gas pressure consolidation instrument, belongs to the technical field of gas pressure consolidation instrument, including pressurizing tank, the inside of the pressurizing tank is provided with three push gas grooves, the bottom of the pressurizing tank is fixedly installed with three servo motors, the output shaft of three servo motors respectively extends to the inner chamber of three push gas grooves and is fixedly connected with screw rod, the top of the screw rod is fixedly connected with limit block, screw rod is threadedly connected with lifting mechanism: in the utility model, by being provided with three different sizes of push gas grooves in pressurizing tank, servo motor is used to drive screw rod to rotate, screw rod and threaded column are used to drive support frame, support frame, top column and piston plate to move up by thread cooperation, so that gas in push gas groove of different inner chamber size can be introduced into gas pressure consolidation instrument, so that different pressure is provided to gas pressure consolidation instrument, and practicality is improved.

[0004] The above-mentioned pressurizing device lacks effective pressure relief mechanism inside, once the internal air pressure of the device reaches the limit that the device can withstand, but the motor has not stopped yet, the high air pressure may cause damage to the inner wall of the device, such as deformation or rupture, which may cause leakage or even explosion risk, the continuous high pressure state may cause excessive load on the motor itself, which may cause overheating, burning or other faults of the motor, in view of this, we provide a kind of air-feeding pressurizing device for gas pressure consolidation instrument. UTILITY MODEL CONTENTS

[0005] The utility model aims at making up for the deficiency of prior art, and provides an air-feeding pressurizing device for gas pressure consolidation instrument.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A kind of air pressure consolidation instrument is used with air pressurization device, including pressurizing device, the first motor is fixedly connected on the outer wall of pressurizing device one side, and pressurizing device inside top end is fixedly connected with pressurizing pipe, the air hole is opened in the inner wall of pressurizing device one side, and screw rod is rotatably connected in the center of pressurizing device inside, the limiting guide rail is fixedly connected on the both sides of the inner wall of pressurizing device, and the piston sleeve is slidably connected in the center of the outer wall of limiting guide rail, the cross drive is fixedly connected on the inner side of piston sleeve, and the cross drive is rotatably connected with the center of the outer wall of screw rod inside, the pressure relief component is fixedly connected in the one end of pressurizing device, and the multiple auxiliary guide rails are fixedly connected on the both sides of the inner wall of pressure relief component, the sliding assembly is slidably connected on the inner side of pressure relief component, and the first pressure relief groove is opened on the both sides of the inner wall of pressure relief component, the second pressure relief groove is opened on the both sides of the inside of sliding assembly.

[0007] The above-mentioned limiting guide rail outer wall one side and the inner side of the piston sleeve are connected, and the limiting guide rail outer wall one side and the inner side of the piston sleeve are slidably connected.

[0008] The above-mentioned screw rod one end outer wall and the inner wall of the pressurizing device are connected, and the screw rod one end outer wall penetrates the inner side of the pressurizing device and is fixedly connected with the output end of the first motor.

[0009] The above-mentioned screw rod one end outer wall and the inner center of the cross drive are connected, and the screw rod outer wall center is rotatably connected with the inner center of the cross drive by screw thread.

[0010] The above-mentioned sliding assembly outer wall one side is fixedly connected with sealing gasket, and the sealing gasket outer wall one side is tightly attached to the inner wall of the pressure relief component.

[0011] The above-mentioned auxiliary guide rail one end outer wall and the sliding assembly outer wall one side are connected, and the sliding assembly outer wall one side and the auxiliary guide rail outer wall one side are slidably connected.

[0012] The above-mentioned sliding assembly inner wall one side is fixedly connected with pressure relief spring, and the pressure relief spring itself spring pound number is 80 pounds, and the pressure relief spring one end outer wall is fixedly connected with the inner wall of the pressure relief component.

[0013] Compared with the prior art, the air pressure consolidation instrument is used with air pressurization device, which has the following beneficial effects:

[0014] First, the utility model is connected with pressurizing pipe and air pressure consolidation instrument, and by activating the first motor, the piston sleeve can be pushed to deliver the gas in the pressurizing device to the air pressure consolidation instrument through the pressurizing pipe, so as to realize the effect of air pressurization.

[0015] The utility model discloses when the gas pressure in the pressurizing device is greater than 80 pounds, the gas will push the sliding assembly to extrude the pressure relief spring, and through the alignment of the first pressure relief groove and the second pressure relief groove, the gas pressure in the pressurizing device is released, avoiding the situation that the pressurizing device leaks or even explodes when the gas pressure in the pressurizing device exceeds the bearing limit, and at the same time, the safety of the first motor during work is ensured, avoiding the overheating of the motor due to excessive load, and causing a fault.

[0016] Other advantages, objects, and features of the present utility model will be in part apparent and in part pointed out hereinafter based on the accompanying drawings and detailed description, and such will be observed by those skilled in the art, based on the teachings herein, after a study of the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the partial three-dimensional structure of the screw rod of the utility model;

[0019] Figure 3 It is a schematic diagram of the partial sectional three-dimensional structure of the pressurizing device of the utility model;

[0020] Figure 4 It is a schematic diagram of the partial sectional three-dimensional structure of the pressure relief assembly and the sliding assembly of the utility model;

[0021] Figure 5 It is a schematic diagram of the partial three-dimensional structure of the auxiliary guide rail of the utility model.

[0022] In the drawing: 1, pressurizing device; 2, first motor; 201, pressurizing pipe; 202, air hole; 203, screw rod; 204, limit guide rail; 205, piston sleeve; 206, cross driving part; 3, pressure relief assembly; 301, auxiliary guide rail; 302, sliding assembly; 303, first pressure relief groove; 304, second pressure relief groove; 305, sealing gasket; 306, pressure relief spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] For example, Figures 1-5As shown, the utility model provides a technical scheme: a kind of air pressure consolidation instrument with air adding pressurizing device, including pressurizing device 1, first motor 2 is fixedly connected in pressurizing device 1 outer wall one side, and pressurizing pipe 201 is fixedly connected in pressurizing device 1 inside top end, gas hole 202 is opened in pressurizing device 1 inner wall one side, and screw rod 203 is rotatably connected in pressurizing device 1 inside center, limit guide rail 204 is fixedly connected in pressurizing device 1 inner wall both sides, and piston sleeve 205 is slidably connected in limit guide rail 204 outer wall center, cross drive part 206 is fixedly connected in piston sleeve 205 inside one side, and cross drive part 206 inside center is rotatably connected with screw rod 203 outer wall center, pressure relief component 3 is fixedly connected in pressurizing device 1 inside one end, and multiple auxiliary guide rails 301 are fixedly connected in pressure relief component 3 inner wall both sides, sliding assembly 302 is slidably connected in pressure relief component 3 inside one side, and first pressure relief groove 303 is opened in pressure relief component 3 inner wall both sides, second pressure relief groove 304 is opened in sliding assembly 302 inside both sides.

[0025] After being connected with air pressure consolidation instrument by pressurizing pipe 201, by activating first motor 2, can push piston sleeve 205 to deliver the gas in pressurizing device 1 to air pressure consolidation instrument by pressurizing pipe 201, when the gas pressure in pressurizing device 1 is greater than 80 pounds, the gas will push sliding assembly 302 to extrude pressure relief spring 306, and is aligned by first pressure relief groove 303 and second pressure relief groove 304, the gas pressure in pressurizing device 1 is released, avoid when the gas pressure in pressurizing device 1 exceeds the bearing limit, cause pressurizing device 1 to leak even explosion, simultaneously, the safety of first motor 2 when working is ensured, avoid due to excessive load, and lead to motor overheating, cause fault.

[0026] As Figures 1-3 As shown, limit guide rail 204 outer wall one side and piston sleeve 205 inside one side are connected through, and limit guide rail 204 outer wall one side and piston sleeve 205 inside one side are slidably connected, limit guide rail 204 can limit the movement track of piston sleeve 205 and cross drive part 206 simultaneously.

[0027] Screw rod 203 one end outer wall and pressurizing device 1 inner wall one side are connected through, and screw rod 203 one end outer wall is connected through pressurizing device 1 inside one side and is fixedly connected with first motor 2 output end, ensure that first motor 2 output end can drive screw rod 203 to rotate synchronously when rotating.

[0028] Screw rod 203 one end outer wall and cross drive part 206 inside center are connected through, and screw rod 203 outer wall center is rotatably connected with cross drive part 206 inside center by screw thread, screw rod 203 can push cross drive part 206 and piston sleeve 205 to move along limit guide rail 204 outer wall by the screw thread of its own outer wall when rotating.

[0029] As Figure 1 , Figure 4 and Figure 5 shown, the outer wall of the sliding assembly 302 is fixedly connected with a sealing gasket 305, and the outer wall of the sealing gasket 305 is tightly attached to the inner wall of the pressure relief assembly 3. By arranging the sealing gasket 305 between the pressure relief assembly 3 and the sliding assembly 302, it can be ensured that the gas inside the pressurizing device 1 will not leak from the first pressure relief groove 303 when the pressure relief assembly 3 and the sliding assembly 302 are in a closed state.

[0030] The outer wall of one end of the auxiliary guide rail 301 is connected with the outer wall of one side of the sliding assembly 302, and the outer wall of one side of the sliding assembly 302 is slidingly connected with the outer wall of one side of the auxiliary guide rail 301. The movement track of the sliding assembly 302 is limited by the auxiliary guide rail 301.

[0031] The inner wall of the sliding assembly 302 is fixedly connected with a pressure relief spring 306, and the spring poundage of the pressure relief spring 306 is 80 pounds. The outer wall of one end of the pressure relief spring 306 is fixedly connected with the inner wall of one side of the pressure relief assembly 3. By setting the spring poundage of the pressure relief spring 306 to 80 pounds, it can be ensured that automatic pressure relief can be realized when the gas pressure inside the pressurizing device 1 exceeds 80 pounds.

[0032] Working principle: The movement track of the piston sleeve 205 and the cross drive 206 can be limited by the limiting guide rail 204 at the same time, so that the output end of the first motor 2 can drive the screw 203 to rotate synchronously when rotating. The screw 203 can drive the cross drive 206 and the piston sleeve 205 to move along the outer wall of the limiting guide rail 204 by the threads arranged on the outer wall of the screw 203. By arranging the sealing gasket 305 between the pressure relief assembly 3 and the sliding assembly 302, it can be ensured that the gas inside the pressurizing device 1 will not leak from the first pressure relief groove 303 when the pressure relief assembly 3 and the sliding assembly 302 are in a closed state. The movement track of the sliding assembly 302 is limited by the auxiliary guide rail 301. By setting the spring poundage of the pressure relief spring 306 to 80 pounds, it can be ensured that automatic pressure relief can be realized when the gas pressure inside the pressurizing device 1 exceeds 80 pounds.

[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An air pressure consolidometer with air pressure boosting device, comprising a pressure boosting device (1), characterized in that: The pressurizing device (1) is fixedly connected with the first motor (2) on one side of the outer wall, and the pressurizing device (1) is fixedly connected with the pressurizing pipe (201) on the top inside, the pressurizing device (1) is provided with the air hole (202) on one side of the inner wall, and the pressurizing device (1) is rotatably connected with the screw rod (203) in the center of the inside, the pressurizing device (1) is fixedly connected with the limiting guide rail (204) on both sides of the inner wall, and the pressurizing device (1) is slidably connected with the piston sleeve (205) on the outer wall center of the limiting guide rail (204), the piston sleeve (205) is fixedly connected with the cross drive (206) on one side of the inside, and the cross drive (206) is rotatably connected with the screw rod (203) on the outer wall center of the inside, the pressurizing device (1) is fixedly connected with the pressure relief assembly (3) on one end of the inside, and the pressure relief assembly (3) is fixedly connected with a plurality of auxiliary guide rails (301) on both sides of the inner wall, the pressure relief assembly (3) is slidably connected with the sliding assembly (302) on one side of the inside, and the pressure relief assembly (3) is provided with the first pressure relief groove (303) on both sides of the inner wall, the sliding assembly (302) is provided with the second pressure relief groove (304) on both sides of the inside.

2. The air pressurization device for an air pressure consolidation apparatus according to claim 1, characterized by: The limiting guide rail (204) is connected through one side of the outer wall and one side of the inside of the piston sleeve (205), and the limiting guide rail (204) is slidably connected with one side of the outer wall and one side of the inside of the piston sleeve (205).

3. The air pressurization apparatus for an air pressure consolidation apparatus according to claim 2, characterized by: The screw rod (203) is connected through one end of the outer wall and one side of the inner wall of the pressurizing device (1), and the screw rod (203) is fixedly connected with the output end of the first motor (2) through one end of the outer wall and one side of the inside of the pressurizing device (1).

4. The air pressurization apparatus for an air pressure consolidation apparatus according to claim 3, characterized by: The screw rod (203) is connected through one end of the outer wall and the center of the inside of the cross drive (206), and the screw rod (203) is rotatably connected with the center of the inside of the cross drive (206) through threads on the outer wall.

5. The air pressurization apparatus for an air pressure consolidation apparatus according to claim 1, characterized by: The sliding assembly (302) is fixedly connected with the sealing gasket (305) on one side of the outer wall, and the sealing gasket (305) is tightly attached to one side of the inner wall of the pressure relief assembly (3) on one side of the outer wall.

6. The air pressurization device for an air pressure consolidation apparatus according to claim 5, characterized by: The auxiliary guide rail (301) is connected through one end of the outer wall and one side of the outer wall of the sliding assembly (302), and the sliding assembly (302) is slidably connected with one side of the outer wall and one side of the outer wall of the auxiliary guide rail (301).

7. The air pressurization device for an air pressure consolidation apparatus according to claim 6, characterized by: The sliding assembly (302) is fixedly connected with the pressure relief spring (306) on one side of the inner wall, and the pressure relief spring (306) has a spring weight of 80 pounds, and one end of the outer wall of the pressure relief spring (306) is fixedly connected with one side of the inner wall of the pressure relief assembly (3).

Images