CN215486064U - Liquid accelerator adding device - Google Patents
Liquid accelerator adding device Download PDFInfo
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- CN215486064U CN215486064U CN202121763169.4U CN202121763169U CN215486064U CN 215486064 U CN215486064 U CN 215486064U CN 202121763169 U CN202121763169 U CN 202121763169U CN 215486064 U CN215486064 U CN 215486064U
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Abstract
A liquid accelerator adding device comprising: the device comprises a shell, a mixing cavity, a water inlet pipe, a feed pipe and a suction device; the mixing cavity is arranged at the inner lower part of the shell, one end of the water inlet pipe extends into the mixing cavity from one side of the shell, the upper end of the feed pipe is connected with the lower end of the mixing cavity, and the other side of the shell is connected with the discharge pipe; the suction device comprises a cover body, a connecting pipe, a first piston assembly and a control rod, wherein the cover body is slidably arranged in the shell, a second piston assembly is arranged on the cover body, the connecting pipe is slidably arranged in the mixing cavity, the upper end of the connecting pipe is connected with the cover body, the first piston assembly comprises a first piston rod and a first piston, the upper end of the first piston rod is inserted into the connecting pipe and connected with the cover body, the lower end of the first piston rod is inserted into the feeding pipe, the first piston is connected with the lower end of the first piston rod, and the control rod is inserted into the connecting pipe from the cover body; the second piston assembly, the first piston rod and the control rod are connected through a linkage mechanism. The accurate and uniform addition of the liquid accelerator is ensured.
Description
Technical Field
The utility model relates to the field of liquid medicament adding equipment, in particular to a liquid accelerator adding device.
Background
The raw materials adopted in the mine underground dry-type sprayed concrete supporting process comprise cement, sand and stone mixture, water and dry powder type accelerating agent added in a corresponding proportion, wherein the dry powder type accelerating agent is added in a manner that the dry powder type accelerating agent is metered at a feed inlet of a shotcrete machine along with a mixture, the dry powder type accelerating agent is mixed with the water at a spray head along with a high-pressure conveying pipe and is sprayed on a supporting surface, the rebound rate in the shotcrete process is up to 30-40%, and the quality of sprayed concrete entities is unstable due to the fact that the proportion is not easy to control and the stirring is not uniform.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a liquid accelerator adding device.
The utility model is realized by the following technical scheme.
A liquid accelerator adding device, characterized in that the device comprises: the device comprises a shell (1), a mixing cavity (2), a water inlet pipe (3), a feed pipe (4) and a suction device; the mixing cavity (2) is arranged at the inner lower part of the shell (1), one end of the water inlet pipe (3) extends into the mixing cavity (2) from one side of the shell (1), the upper end of the feed pipe (4) is connected with the lower end of the mixing cavity (2), and the other side of the shell (1) is connected with the discharge pipe (5); the suction device comprises a cover body (6), a connecting pipe (7), a first piston assembly and a control rod (8), wherein the cover body (6) is slidably arranged in the shell (1), a second piston assembly is arranged on the cover body (6), the connecting pipe (7) is slidably arranged in the mixing cavity (2) and the upper end of the connecting pipe is connected with the cover body (6), the first piston assembly comprises a first piston rod (9) and a first piston (10), the upper end of the first piston rod (9) is inserted into the connecting pipe (7) and connected with the cover body (6), the lower end of the first piston rod (9) is inserted into the feeding pipe (4), the first piston (10) is connected with the lower end of the first piston rod (9), and the control rod (8) is inserted into the connecting pipe (7) from the cover body (6); the second piston assembly, the first piston rod (9) and the control rod (8) are connected through a linkage mechanism.
Further, the second piston assembly comprises a horizontal connecting plate (11), a second piston rod (12), a second piston (13), two third piston rods (14) and two third pistons (15), the horizontal connecting plate (11) is arranged on the cover body (6), and the upper ends of the second piston rod (12) and the two third piston rods (14) are connected with the horizontal connecting plate (11); the second piston rod (12) is inserted into the connecting pipe (7) from a first through hole (16) formed in the cover body (6), and the second piston (13) is sleeved on the second piston rod (12) and is positioned below the first through hole (16); the two third piston rods (14) are located on two sides of the second piston rod (12), the lower ends of the third piston rods (14) are connected with third pistons (15), second through holes (17) are formed in two sides of the cover body (6) close to the outer edge, and the two third pistons (15) are located above the two second through holes (17) respectively.
Further, the first through hole (16) and the two second through holes (17) are both circular through holes.
Further, the linkage mechanism comprises a connecting rod (18) and a first spring (19), one end of the connecting rod (18) is connected with the first piston rod (9), the other end of the connecting rod is connected with the second piston rod (12) of the second piston assembly, one end of the first spring (19) is connected with the other end of the connecting rod (18), and the other end of the first spring is connected with the control rod (8).
Furthermore, the feeding pipe (4) comprises an upper pipe section (20), a middle pipe section (21), a lower pipe section (22), an adjusting pipe (23), a fourth piston (24) and a second spring (25), which are sequentially connected from top to bottom; the upper end of the upper pipe section (20) is connected with the lower end of the mixing cavity (2), the pipe diameter of the middle pipe section (21) is larger than that of the upper pipe section (20), and the pipe diameter of the lower pipe section (22) is smaller than that of the middle pipe section (21); the upper portion of adjusting pipe (23) inserts in lower tube section (22), fourth piston (24) set up the interior lower extreme in adjusting pipe (23), the upper end of fourth piston (24) is connected with the lower extreme of second spring (25), the upper end of second spring (25) is connected with the inner wall of adjusting pipe (23) through many centripetal connecting stub bars (26).
Furthermore, an adjusting nut (27) is sleeved outside the adjusting pipe (23).
Furthermore, the inner lower part of the mixing cavity (2) is provided with a circular supporting plate (28), and the lower end of the control rod (8) is aligned to the circular supporting plate (28).
Furthermore, a control valve (29) is arranged on the water inlet pipe (3).
Further, the shell (1) is a hollow cylindrical or square shell; the mixing cavity (2) is a hollow cylindrical or square cavity.
Further, the first piston rod (9) comprises a vertical connecting plate (30) and a vertical pull rod (31), the upper end of the vertical connecting plate (30) is connected with the cover body (6), and the upper end of the vertical pull rod (31) is connected with the lower end of the vertical connecting plate (30).
The liquid accelerator adding device has the beneficial technical effects that the difficulty of the liquid accelerator adding technology under the conditions of unstable underground water pressure and wind pressure is overcome, the accurate adding and metering of the liquid accelerator are ensured, the adding uniformity is ensured, the initial setting time of the shotcrete is short, the bonding effect is good, the rebound rate is low (can be controlled within 10%), the shotcrete quality is improved, the supporting strength is improved by 10%, the impression quality is good, and the cleaning and pulling cost of the shotcrete rebound material is reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial structural schematic view of the suction device of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, a liquid accelerator adding apparatus includes: the device comprises a shell 1, a mixing cavity 2, a water inlet pipe 3, a feed pipe 4 and a suction device;
the shell 1 is a hollow cylindrical or square shell, and connecting holes are formed in the side wall of one side, the side wall of the other side and the bottom of the shell;
the mixing cavity 2 is a hollow cylindrical or square cavity which is vertically arranged, the upper end and the lower end of the mixing cavity are both open and are surrounded by cylindrical plates, the mixing cavity 2 is arranged at the inner lower part of the shell 1, and the lower end of the mixing cavity is communicated with a connecting hole which is formed at the bottom of the shell 1;
the water inlet pipe 3 is a horizontal pipe, one end of the water inlet pipe 3 extends into the mixing cavity 2 from a connecting hole arranged on one side of the shell 1, and the other end is connected with a water source; a control valve 29 is arranged on the water inlet pipe 3;
the upper end of the feeding pipe 4 is connected with the lower end of the mixing cavity 2, and the feeding pipe 4 comprises an upper pipe section 20, a middle pipe section 21 and a lower pipe section 22 which are sequentially connected from top to bottom, as well as an adjusting pipe 23, a fourth piston 24 and a second spring 25; the upper end of the upper pipe section 20 is connected and communicated with the lower end of the mixing cavity 2, the pipe diameter of the middle pipe section 21 is larger than that of the upper pipe section 20, and the pipe diameter of the lower pipe section 22 is smaller than that of the middle pipe section 21; the upper part of the adjusting pipe 23 is telescopically inserted into the lower pipe section 22, an adjusting nut 27 is sleeved outside the adjusting pipe 23, a fourth piston 24 is arranged at the inner lower end of the adjusting pipe 23 and can seal the lower end of the adjusting pipe 23, the upper end of the fourth piston 24 is connected with the lower end of a second spring 25, the upper end of the second spring 25 is connected with the inner wall of the adjusting pipe 23 through a plurality of centripetal connecting short rods 26, and gaps are reserved among the connecting short rods 26 to form a net-shaped opening; the connecting short rod 26 is shorter than the inner diameter of the adjusting pipe 23;
the other side of the shell 1 is connected with a discharge pipe 5, the discharge pipe 5 is a horizontal pipe and is specifically connected with a connecting hole formed in the side wall of the other side of the shell 1;
the suction device comprises a cover body 6, a connecting pipe 7, a first piston assembly and a control rod 8, wherein the cover body 6 is a circular cover, the cover body 6 is arranged in the shell 1 and can slide along the inner wall of the shell 1, the cover body 6 is provided with a second piston assembly, the connecting pipe 7 is a vertical hollow cylindrical pipe body with an open lower end, the connecting pipe 7 is slidably arranged in the mixing cavity 2 (namely can slide up and down along the inner wall of the mixing cavity 2) and the upper end of the connecting pipe is connected with the cover body 6, the first piston assembly comprises a first piston rod 9 and a first piston 10, the upper end of the first piston rod 9 is inserted into the connecting pipe 7 to be connected with the cover body 6, the lower end of the first piston rod 9 is inserted into the feeding pipe 4 (specifically, a middle pipe section 21 is formed in the connecting pipe section, the first piston 10 is connected with the lower end of the first piston rod 9, and the control rod 8 is inserted into the connecting pipe 7 from a third through hole formed in the cover body 6; the second piston assembly, the first piston rod 9 and the control rod 8 are connected through a linkage mechanism.
Further, the second piston assembly comprises a horizontal connecting plate 11, a second piston rod 12, a second piston 13, two third piston rods 14 and two third pistons 15; the two third piston rods 14 and the second piston rod 12 are vertical rods; the horizontal connecting plate 11 is arranged on the cover body 6, and the upper ends of the second piston rod 12 and the two third piston rods 14 are connected with the horizontal connecting plate 11; the second piston rod 12 is inserted into the connecting pipe 7 from a first through hole 16 formed in the cover body 6, the second piston 13 is sleeved on the second piston rod 12 and is positioned below the first through hole 16, and the first through hole 16 can be sealed by the second piston 13; the two third piston rods 14 are respectively located on two sides of the second piston rod 12, the lower ends of the third piston rods 14 are connected with the third pistons 15, the second through holes 17 are formed in the two sides of the cover body 6 close to the outer edge, the two third pistons 15 are respectively located above the two second through holes 17 and can seal the second through holes 17, and the first through holes 16 and the two second through holes 17 are circular through holes.
Further, the first piston rod 9 comprises a vertical connecting plate 30 and a vertical pull rod 31, the upper end of the vertical connecting plate 30 is fixedly connected with the cover body 6, the upper end of the vertical pull rod 31 is connected with the lower end of the vertical connecting plate 30, and the vertical pull rod 31 can be detached in order to prevent the vertical pull rod 31 from being broken and replaced at any time.
Further, the linkage mechanism includes a connecting rod 18 and a first spring 19, the connecting rod 18 is obliquely arranged, one end of the connecting rod 18 is connected with the upper rod body of the first piston rod 9 (specifically hinged to the vertical connecting plate 30), the other end of the connecting rod is connected with the lower rod body of the second piston rod 12 of the second piston assembly (specifically hinged), one end of the first spring 19 is connected with the other end of the connecting rod 18 (namely, the end connected with the lower rod body of the second piston rod 12), and the other end of the first spring is connected with the lower rod body of the control rod 8.
Further, the inner lower part of the mixing cavity 2 is provided with a circular ring-shaped supporting plate 28, the control rod 8 is positioned above the circular ring-shaped supporting plate 28, and the lower end of the control rod is aligned with the circular ring-shaped supporting plate 28.
Initially, the control rod 8 is in an upper protruding state, at this time, the second piston 13 seals the first through hole 16, the two third pistons 15 are lifted up, so that the two second through holes 17 are opened, the fourth piston 24 falls down to seal the lower end of the adjusting pipe 23, and the whole mixing cavity 2 is in a closed state; injecting water into the mixing cavity 2 through the water inlet pipe 3, floating the whole suction device under the action of water pressure, extracting the liquid setting accelerator entering the feeding pipe 4, and mixing the liquid setting accelerator and the liquid setting accelerator in the mixing cavity 2; when the upper part of the control rod 8 touches the inner top of the shell 1 and is pressed down, the linkage mechanism drives the second piston rod 12 to move down and further drives the second piston 13 to move down, at the moment, the first through hole 16 is opened, the two third pistons 15 fall down to seal the two second through holes 17, the mixed liquid enters a cavity 32 formed between the upper surface of the cover body 6 and the inner top of the shell 1 from the first through hole 16, the pressure is increased along with the increase of the liquid in the cavity 32, the whole suction device is pressed down until the bottom of the control rod 8 is contacted with the annular supporting plate 28 and rebounds, at the moment, the linkage mechanism drives the second piston rod 12 to move up and further drives the second piston 13 to move up, at the moment, the first through hole 16 is closed, the two third pistons 15 are lifted up to open the two second through holes 17, the mixed liquid enters the mixing cavity 2 from the two second through holes 17 and a cavity 33 formed between the outer wall of the connecting pipe 7 and the inner wall of the shell 1, then flows out from the outlet of the discharge pipe 5.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model. It should be noted that other equivalent modifications can be made by those skilled in the art in light of the teachings of the present invention, and all such modifications can be made as are within the scope of the present invention.
Claims (10)
1. A liquid accelerator adding device, characterized in that the device comprises: the device comprises a shell (1), a mixing cavity (2), a water inlet pipe (3), a feed pipe (4) and a suction device; the mixing cavity (2) is arranged at the inner lower part of the shell (1), one end of the water inlet pipe (3) extends into the mixing cavity (2) from one side of the shell (1), the upper end of the feed pipe (4) is connected with the lower end of the mixing cavity (2), and the other side of the shell (1) is connected with the discharge pipe (5); the suction device comprises a cover body (6), a connecting pipe (7), a first piston assembly and a control rod (8), wherein the cover body (6) is slidably arranged in the shell (1), a second piston assembly is arranged on the cover body (6), the connecting pipe (7) is slidably arranged in the mixing cavity (2) and the upper end of the connecting pipe is connected with the cover body (6), the first piston assembly comprises a first piston rod (9) and a first piston (10), the upper end of the first piston rod (9) is inserted into the connecting pipe (7) and connected with the cover body (6), the lower end of the first piston rod (9) is inserted into the feeding pipe (4), the first piston (10) is connected with the lower end of the first piston rod (9), and the control rod (8) is inserted into the connecting pipe (7) from the cover body (6); the second piston assembly, the first piston rod (9) and the control rod (8) are connected through a linkage mechanism.
2. The liquid accelerator adding device according to claim 1, wherein the second piston assembly comprises a horizontal connecting plate (11), a second piston rod (12), a second piston (13), two third piston rods (14) and two third pistons (15), the horizontal connecting plate (11) is arranged on the cover body (6), and the upper ends of the second piston rod (12) and the two third piston rods (14) are connected with the horizontal connecting plate (11); the second piston rod (12) is inserted into the connecting pipe (7) from a first through hole (16) formed in the cover body (6), and the second piston (13) is sleeved on the second piston rod (12) and is positioned below the first through hole (16); the two third piston rods (14) are located on two sides of the second piston rod (12), the lower ends of the third piston rods (14) are connected with third pistons (15), second through holes (17) are formed in two sides of the cover body (6) close to the outer edge, and the two third pistons (15) are located above the two second through holes (17) respectively.
3. The liquid accelerator adding device according to claim 2, wherein the first through hole (16) and the two second through holes (17) are circular through holes.
4. The liquid accelerator adding device according to claim 2, wherein the linkage mechanism comprises a connecting rod (18) and a first spring (19), one end of the connecting rod (18) is connected with the first piston rod (9), the other end of the connecting rod is connected with the second piston rod (12), one end of the first spring (19) is connected with the other end of the connecting rod (18), and the other end of the first spring is connected with the control rod (8).
5. The liquid accelerator adding device according to claim 1, wherein the feeding pipe (4) comprises an upper pipe section (20), a middle pipe section (21), a lower pipe section (22), an adjusting pipe (23), a fourth piston (24) and a second spring (25) which are sequentially connected from top to bottom; the upper end of the upper pipe section (20) is connected with the lower end of the mixing cavity (2), the pipe diameter of the middle pipe section (21) is larger than that of the upper pipe section (20), and the pipe diameter of the lower pipe section (22) is smaller than that of the middle pipe section (21); the upper portion of adjusting pipe (23) inserts in lower tube section (22), fourth piston (24) set up the interior lower extreme in adjusting pipe (23), the upper end of fourth piston (24) is connected with the lower extreme of second spring (25), the upper end of second spring (25) is connected with the inner wall of adjusting pipe (23) through many centripetal connecting stub bars (26).
6. The liquid accelerator adding device according to claim 5, wherein the adjusting pipe (23) is externally sleeved with an adjusting nut (27).
7. The liquid accelerator adding device according to claim 1, wherein a circular supporting plate (28) is arranged at the inner lower part of the mixing cavity (2), and the lower end of the control rod (8) is aligned with the circular supporting plate (28).
8. The liquid accelerator adding device according to claim 1, wherein a control valve (29) is arranged on the water inlet pipe (3).
9. The liquid accelerator adding device according to claim 1, wherein the housing (1) is a hollow cylindrical or square housing; the mixing cavity (2) is a hollow cylindrical or square cavity.
10. The liquid accelerator adding device according to claim 1, wherein the first piston rod (9) comprises a vertical connecting plate (30) and a vertical pull rod (31), the upper end of the vertical connecting plate (30) is connected with the cover body (6), and the upper end of the vertical pull rod (31) is connected with the lower end of the vertical connecting plate (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121763169.4U CN215486064U (en) | 2021-07-30 | 2021-07-30 | Liquid accelerator adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121763169.4U CN215486064U (en) | 2021-07-30 | 2021-07-30 | Liquid accelerator adding device |
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| Publication Number | Publication Date |
|---|---|
| CN215486064U true CN215486064U (en) | 2022-01-11 |
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|---|---|---|---|
| CN202121763169.4U Active CN215486064U (en) | 2021-07-30 | 2021-07-30 | Liquid accelerator adding device |
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| CN (1) | CN215486064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530572A (en) * | 2021-07-30 | 2021-10-22 | 金川集团股份有限公司 | Liquid accelerator adding device |
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2021
- 2021-07-30 CN CN202121763169.4U patent/CN215486064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530572A (en) * | 2021-07-30 | 2021-10-22 | 金川集团股份有限公司 | Liquid accelerator adding device |
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