CN219038748U

CN219038748U - Aggregate porosity detection device

Info

Publication number: CN219038748U
Application number: CN202122774522.5U
Authority: CN
Inventors: 牛成功; 杨军; 史平; 王超; 张雪; 潘震天; 张元伟; 刘英钊
Original assignee: SHANDONG JIANZE CONCRETE CO Ltd
Current assignee: SHANDONG JIANZE CONCRETE CO Ltd
Priority date: 2021-11-13
Filing date: 2021-11-13
Publication date: 2023-05-16
Anticipated expiration: 2031-11-13

Abstract

The utility model relates to the technical field of aggregate porosity detection, and discloses an aggregate porosity detection device, which comprises a sealing box for placing aggregate for detection, wherein a detection mechanism for detecting the aggregate porosity is connected to one side wall of the sealing box; the detection mechanism comprises a detection tube, one end of the detection tube is communicated with the outer wall of the sealing box, an air duct is fixedly sleeved on the detection tube, the other end of the air duct is connected with a vacuum pump, the detection tube is far away from an inner tube wall of one end of the vacuum pump, a supporting ring is connected onto the inner annular wall of the supporting ring in a sealing sliding manner, a filter screen is fixedly connected onto the inner annular wall of the supporting ring, an impact assembly is arranged on one side of the supporting ring far away from the vacuum pump, the impact assembly is fixedly connected onto a tube orifice of one end of the detection tube far away from the vacuum pump, and one end of the supporting ring close to the vacuum pump is connected with a reset supporting assembly. The utility model not only ensures the accuracy of detection, but also ensures the service life of the vacuum pump, and simultaneously automatically cleans the filter screen.

Description

Aggregate porosity detection device

Technical Field

The utility model relates to the technical field of aggregate porosity detection, in particular to an aggregate porosity detection device.

Background

When the porosity of the aggregate is detected, the aggregate is generally placed in a sealed box, then the sealed box is vacuumized through a vacuum pump, and the porosity of the aggregate is calculated by calculating the quantity of the pumped air and the air pressure in the sealed box. But in the process of extracting air, partial fine small particle aggregate can enter the vacuum pump along with the air, so that the accuracy of detection is affected, and the service life of the vacuum pump is reduced.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, the accuracy of detection is affected and the service life of a vacuum pump is reduced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the aggregate porosity detection device comprises a sealing box for placing aggregate for detection, wherein a detection mechanism for detecting the aggregate porosity is connected to one side wall of the sealing box;

the detection mechanism comprises a detection tube, one end of the detection tube is communicated with the outer wall of the sealing box, an air duct is fixedly sleeved on the detection tube, the other end of the air duct is connected with a vacuum pump, a support ring is connected to the inner wall of one end of the detection tube, which is far away from the vacuum pump, a filter screen is fixedly connected to the inner wall of the support ring, an impact assembly is arranged on one side, which is far away from the vacuum pump, of the support ring, the impact assembly is fixedly connected to the pipe orifice, which is far away from one end of the vacuum pump, of the detection tube, one end, which is close to the vacuum pump, is connected with a reset support assembly, a transmission rod, which is fixedly connected to the inner wall of the support ring, is provided with a T-shaped longitudinal section, and the other end of the transmission rod penetrates through the reset support assembly to be connected with a sealing plug, which is in a sliding manner, and is connected to the inner wall of the detection tube.

Preferably, the impact assembly comprises two impact blocks, the two impact blocks are symmetrically arranged on one side, far away from the vacuum pump, of the supporting ring, and the two impact blocks are symmetrically connected with the pipe orifice of one end, far away from the vacuum pump, of the detection pipe.

Preferably, the reset supporting component comprises a spring, one end of the spring is fixedly connected with one end of the supporting ring, which is close to the vacuum pump, the other end of the spring is fixedly connected with a supporting frame with a cross-shaped longitudinal section, the supporting frame is fixedly connected with the inner pipe wall of the detection pipe, a transmission hole is formed in the center of the supporting frame, and the transmission rod penetrates through the transmission hole.

Preferably, four balls are embedded on the wall of the transmission hole in an annular, uniform and equidistant mode, and the balls are connected to the rod wall of the transmission rod in a rolling mode.

Preferably, an annular sealing groove is formed in the outer annular wall of the supporting ring, a sealing ring is sleeved in the sealing groove, and the outer annular wall of the sealing ring is arranged on the inner pipe wall of the detection pipe.

Preferably, the air outlet end of the vacuum pump is connected with an air outlet pipe, and a valve is arranged on the air outlet pipe.

Preferably, a barometer is arranged on one side wall of the sealing box.

Preferably, one end of the sealing plug far away from the transmission rod is symmetrically connected with a limiting pipe, a limiting rod with an L-shaped longitudinal section is connected in a sliding mode in the limiting pipe, and one end of the limiting rod far away from the sealing plug is fixedly connected to the inner pipe wall of the air duct.

Compared with the prior art, the utility model provides the aggregate porosity detection device, which has the following beneficial effects:

according to the aggregate porosity detection device, the detection mechanism is arranged, the aggregate is placed in the sealing box, the vacuum pump is started, small particle aggregate flowing along with air is blocked by the filter screen, the aggregate is prevented from entering the vacuum pump, the detection accuracy is guaranteed, and the service life of the vacuum pump is also guaranteed; when the vacuum pump is closed, the supporting ring is impacted on the impact block, small particle aggregate blocked on the filter screen is prevented from shaking off, and the filter screen is automatically cleaned.

The device has the advantages that the detection accuracy is guaranteed, the service life of the vacuum pump is guaranteed, and meanwhile, the filter screen is cleaned automatically.

Drawings

Fig. 1 is a schematic structural diagram of an aggregate porosity detection device according to the present utility model;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a seal box; 2. a detection tube; 3. an air duct; 4. a vacuum pump; 5. a support ring; 6. a transmission rod; 7. a sealing plug; 8. an impact block; 9. a spring; 10. a support frame; 11. a transmission hole; 12. a ball; 13. a seal ring; 14. an air outlet pipe; 15. an air pressure gauge; 16. a limiting tube; 17. a limit rod; 18. and (3) a filter screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1, an aggregate porosity detection device, including being used for placing the sealed box 1 that the aggregate detected, be connected with the detection mechanism that is used for detecting aggregate porosity on the lateral wall of sealed box 1, improve the accuracy of detection.

Referring to fig. 1-2, the detection mechanism comprises a detection tube 2, one end of the detection tube 2 is communicated with the outer wall of the sealed box 1, an air duct 3 is fixedly sleeved on the detection tube 2, the other end of the air duct 3 is connected with a vacuum pump 4, and a support ring 5 is connected on the inner wall of the detection tube 2 far away from one end of the vacuum pump 4 in a sealing sliding manner. An annular sealing groove is formed in the outer annular wall of the support ring 5, a sealing ring 13 is sleeved in the sealing groove, the outer annular wall of the sealing ring 13 is arranged on the inner tube wall of the detection tube 2, and the sealing performance between the support ring 5 and the detection tube 2 is improved through the sealing ring 13. The air outlet end of the vacuum pump 4 is connected with an air outlet pipe 14, a valve is arranged on the air outlet pipe 14, and the valve is opened during air suction. The barometer 15 is installed on the wall of one side of the seal box 1, the air pressure in the seal box 1 is displayed in real time, and the detection mechanism can prolong the service life of the vacuum pump 4 to a certain extent.

Referring to fig. 1-2, fixedly connected with filter screen 18 on the inner annular wall of support ring 5, one side that vacuum pump 4 was kept away from to support ring 5 is equipped with the striking subassembly, and striking subassembly fixed connection is kept away from the mouth of pipe of vacuum pump 4 one end at detection tube 2, the striking subassembly includes two striking pieces 8, two striking pieces 8 symmetry set up in support ring 5 one side that vacuum pump 4 was kept away from, two striking pieces 8 symmetry connect the mouth of pipe of keeping away from vacuum pump 4 one end at detection tube 2, detection mechanism can clear up the filter screen 18 voluntarily, reduce the manual maintenance cost.

Referring to fig. 1-2, one end of the support ring 5, which is close to the vacuum pump 4, is connected with a reset support assembly, a transmission rod 6 with a longitudinal section of 'T' is fixedly connected to the inner annular wall of the support ring 5, the other end of the transmission rod 6 passes through the reset support assembly and is connected with a sealing plug 7, and the sealing plug 7 is slidably connected to the inner pipe wall of the detection pipe 2. The reset supporting component comprises a spring 9, one end of the spring 9 is fixedly connected with one end of the supporting ring 5, which is close to the vacuum pump 4, the other end of the spring 9 is fixedly connected with a supporting frame 10 with a cross-shaped longitudinal section, the supporting frame 10 is fixedly connected with the inner pipe wall of the detecting pipe 2, a transmission hole 11 is formed in the center of the supporting frame 10, and the transmission rod 6 passes through the transmission hole 11. Four balls 12 are embedded on the wall of the transmission hole 11 in an annular uniform equidistant manner, the balls 12 are connected to the wall of the transmission rod 6 in a rolling way, and when the transmission rod 6 moves in the transmission hole 11, the balls 12 are driven to roll, so that the friction resistance of the transmission rod 6 when moving in the transmission hole 11 is reduced. One end of the sealing plug 7 far away from the transmission rod 6 is symmetrically connected with a limiting pipe 16, a limiting rod 17 with an L-shaped longitudinal section is slidably connected in the limiting pipe 16, one end of the limiting rod 17 far away from the sealing plug 7 is fixedly connected to the inner pipe wall of the air duct 3, and the limiting pipe 16 can only move on the limiting rod 17, so that the movement direction of the sealing plug 7 is limited, and the movement of the sealing plug 7 is more stable.

Working principle: the aggregate is placed in the sealed box 1, then the vacuum pump 4 is started, the sealing plug 7 in the detection tube 2 moves in the air guide tube 3 under the action of air pressure, the supporting ring 5 is driven by the transmission rod 6 to synchronously move in the detection tube 2, the spring 9 is compressed until the sealing plug 7 is separated from the detection tube 2, air in the sealed box 1 sequentially passes through the detection tube 2, the air guide tube 3 and the vacuum pump 4 to be discharged, small particle aggregate flowing along with the air is blocked by the filter screen 18, the aggregate is prevented from entering the vacuum pump 4, the detection accuracy is ensured, and the service life of the vacuum pump 4 is also ensured; when the vacuum pump 4 is closed, the compressed spring 9 pushes the supporting ring 5 to reset, the supporting ring 5 impacts on the impact block 8, small particle aggregate clamped on the filter screen 18 is prevented from shaking off, and the filter screen 18 is automatically cleaned.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The aggregate porosity detection device comprises a sealing box (1) for placing aggregate for detection, and is characterized in that a detection mechanism for detecting the aggregate porosity is connected to one side wall of the sealing box (1);

the utility model provides a sealing plug, including detection mechanism, detection mechanism includes detection pipe (2), the one end intercommunication of detection pipe (2) is on the outer case wall of seal box (1), fixed cover has been connected with air duct (3) on detection pipe (2), the other end of air duct (3) is connected with vacuum pump (4), sealed sliding connection has supporting ring (5) on the inner tube wall of vacuum pump (4) one end is kept away from to detection pipe (2), fixedly connected with filter screen (18) on the inner tube wall of supporting ring (5), one side that vacuum pump (4) was kept away from to supporting ring (5) is equipped with the striking subassembly, just striking subassembly fixed connection is kept away from the mouth of pipe of vacuum pump (4) one end at detection pipe (2), the one end that supporting ring (5) is close to vacuum pump (4) is connected with reset supporting component, fixedly connected with on the inner tube wall of supporting ring (5) is vertical cross-section is "T" type transfer line (6), the other end of transfer line (6) is passed reset supporting component and is connected with sealing plug (7) on the sealing plug wall of detection pipe (2).

2. An aggregate porosity detection device according to claim 1, characterized in that the impact assembly comprises two impact blocks (8), wherein the two impact blocks (8) are symmetrically arranged on one side of the support ring (5) away from the vacuum pump (4), and the two impact blocks (8) are symmetrically connected with the pipe orifice of one end of the detection pipe (2) away from the vacuum pump (4).

3. The aggregate porosity detection device according to claim 1, wherein the reset supporting component comprises a spring (9), one end of the spring (9) is fixedly connected with one end of the supporting ring (5) close to the vacuum pump (4), the other end of the spring (9) is fixedly connected with a supporting frame (10) with a cross-shaped longitudinal section, the supporting frame (10) is fixedly connected onto the inner pipe wall of the detection pipe (2), a transmission hole (11) is formed in the center of the supporting frame (10), and the transmission rod (6) penetrates through the transmission hole (11).

4. A device for detecting aggregate porosity according to claim 3, characterized in that four balls (12) are embedded on the wall of the transmission hole (11) in an annular shape at equal intervals, and the balls (12) are connected on the wall of the transmission rod (6) in a rolling manner.

5. The aggregate porosity detection device according to claim 1, wherein an annular sealing groove is formed in the outer annular wall of the supporting ring (5), a sealing ring (13) is sleeved in the sealing groove, and the outer annular wall of the sealing ring (13) is arranged on the inner pipe wall of the detection pipe (2).

6. The aggregate porosity detection device according to claim 1, wherein an air outlet pipe (14) is connected to an air outlet end of the vacuum pump (4), and a valve is installed on the air outlet pipe (14).

7. An aggregate porosity detection device according to claim 1, characterized in that a barometer (15) is mounted on a side wall of the sealing box (1).

8. The aggregate porosity detection device according to claim 1, wherein one end of the sealing plug (7) far away from the transmission rod (6) is symmetrically connected with a limiting pipe (16), a limiting rod (17) with an L-shaped longitudinal section is connected in a sliding manner in the limiting pipe (16), and one end of the limiting rod (17) far away from the sealing plug (7) is fixedly connected to the inner pipe wall of the air duct (3).