UHPC powder detecting and sampling equipment

Abstract

The utility model belongs to the field of concrete, particularly relates to UHPC (Ultra High Performance Concrete) powder detecting and sampling equipment, and aims to solve the problems that a crack exists between an inner pipe and an outer pipe of an existing sampler, so that powder enters the crack, the powder is mixed when being taken next time, and the detection result of the next batch is influenced when unqualified powder exists in the crack. According to the scheme, the device comprises an outer cylinder, the outer cylinder comprises a shell and a protective shell rotationally arranged on one side of the shell, a plurality of feeding ports are formed in one side of the outer wall of the shell, a top cover is fixedly arranged at the top of the shell, and a pointed end is fixedly arranged at the bottom of the shell; the plurality of sampling barrels are used for storing powder, the plurality of sampling barrels are rotated to be in a closed state through the driving assembly and then are inserted into the powder pile, then the sampling barrels are rotated to communicate the storage groove with the feeding opening, so that the powder enters the storage groove, and then the sampling barrels are pulled out after being closed again.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete, in particular to a UHPC powder material detection sampling device. Background Art

[0002] UHPC is an ultra-high performance concrete. During the production process, powder samples need to be taken for testing. Usually, a powder sampler is used to sample the powder pile to test whether it meets the specified indicators.

[0003] The existing powder sampler is divided into an outer tube and an inner tube that is rotatably arranged inside. The outer tube wall is also provided with a plurality of sampling windows, and the inner tube wall is provided with a plurality of inner sampling windows that match the plurality of outer sampling windows. When in use, the sample is inserted into the inside of the powder pile to take out the material, and then the inner and outer tubes rotate in opposite directions to take it out, and the powder at different depth layers can be taken out;

[0004] The existing powder sampler still has the following problems when in use:

[0005] 1. There is a gap between the inner and outer tubes of the sampler, so that the powder will enter the gap. When the material is taken next time, mixing will occur. If there is unqualified powder in the gap, it will affect the test results of the next batch.

[0006] 2. The traditional inner tube is a whole. When the powder materials of different depth layers are sampled for batch testing, the powder materials of each inner sampling window need to be poured out separately, which is troublesome. Utility Model Content

[0007] The utility model aims to solve the problem that there is a gap between the inner and outer tubes of the sampler in the prior art, so that powder will enter the gap. When the material is taken next time, mixing will occur. When there is unqualified powder in the gap, it will affect the test results of the next batch. The traditional inner tube is a whole. When the powders of different depth layers are taken for batch testing, the powders of each inner sampling window need to be poured out separately, which is troublesome. A UHPC powder detection sampling device is proposed.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A UHPC powder detection sampling device comprises an outer cylinder, wherein the outer cylinder comprises an outer shell and a protective shell rotatably arranged on one side of the outer shell, a plurality of feed ports are opened on one side of the outer wall of the outer shell, a top cover is fixedly arranged on the top of the outer shell, and a pointed head is fixedly arranged on the bottom of the outer shell;

[0010] A plurality of sampling barrels for storing powder, wherein the plurality of sampling barrels are arranged inside the shell, wherein a plurality of annular baffles are fixedly arranged inside the shell, and the plurality of annular baffles and the plurality of sampling barrels are arranged crosswise, and a storage groove is opened on one side of the outer wall of the plurality of sampling barrels, and the plurality of storage grooves are respectively matched with the plurality of feed ports;

[0011] A driving assembly, used to rotate the multiple sampling cylinders, wherein the driving assembly is respectively arranged at the top and the bottom of the sampling cylinder;

[0012] A snap-fit ​​assembly is used to snap the protective shell together. The snap-fit ​​assembly is arranged inside the shell. The snap-fit ​​assembly includes an insertion rod and at least one No. 2 L-shaped rod. A slot is provided inside one end of the shell, and the insertion rod is slidably provided inside the slot. The No. 2 L-shaped rod is fixedly provided on one side of the outer wall of the insertion rod. A groove matching the No. 2 L-shaped rod is provided on one side of the protective shell, and a snap-fit ​​groove is provided on the top inner wall of the groove.

[0013] In a possible design, the driving assembly includes two limit grooves respectively opened at the top and bottom of the sampling tube, the inner wall of the annular baffle is rotatably provided with a rotating shaft, and the top and bottom of the rotating shaft are fixedly provided with a No. 1 limit block.

[0014] In a possible design, the driving assembly also includes a rotating rod rotatably arranged on the top of the top cover, and the bottom end of the rotating rod rotates and penetrates into the interior of the outer shell, and a second limit block is fixedly arranged at one end of the rotating rod located inside the outer shell.

[0015] In a possible design, the locking assembly also includes at least one L-shaped rod No. 1 fixedly arranged on one side of the outer wall of the insertion rod, a recess is provided on the outer wall of the annular baffle plate close to the L-shaped rod No. 1, and the L-shaped rod No. 1 slides through the outer shell and extends to the inside of the recess, and a sliding groove is provided on the top of the sampling tube below the L-shaped rod No. 1.

[0016] In a possible design, the top end of the insertion rod rotates through the outer shell and the top cover and extends to the top of the top cover, and a same compression spring is fixedly disposed between the bottom end of the insertion rod and the bottom inner wall of the slot.

[0017] In a possible design, scale lines are provided on the outer wall of the housing.

[0018] In the present application, when it is used specifically, the rotating rod is first rotated about ninety degrees, the rotating rod drives the No. 2 limit block to rotate, the No. 2 limit block drives the top sampling barrel to rotate through the limit slot, and the top sampling barrel drives the remaining sampling barrels to rotate together through the No. 1 limit block and the rotating shaft. At this time, the storage slot of the sampling barrel will be in a closed state, and then the sampling device can be inserted into the powder pile to prevent the powder from entering the storage slot in advance during the insertion process. When it is inserted into the designated position, the rotating rod is rotated to its original position. At this time, the storage slot and the feed port will be connected, and the powder enters the storage slot to complete the collection. Then the rotating rod is continued to be rotated about ninety degrees to close the storage slot again, and the sampling device can be pulled out to complete the sampling.

[0019] When the sampling cylinder needs to be disassembled, the sampling cylinder is rotated 180 degrees while the feed port and the storage tank are connected. At this time, the slide groove on the top of the sampling cylinder is rotated to the bottom of the No. 1 L-shaped rod, so that the No. 1 L-shaped rod can move downward to achieve a state where the insertion rod is released from fixation. At this time, the insertion rod is moved downward, and the insertion rod drives the No. 2 L-shaped rod downward, so that the No. 2 L-shaped rod is disengaged from the slot on the inner wall of the top of the groove. The protective shell can be opened, and each sampling cylinder can be disassembled separately, so that when the powder inside a sampling cylinder fails the quality inspection, it can be removed and cleaned to prevent it from being mixed in other places, and after powder enters the gap between the outer cylinder and the sampling cylinder, it can be cleaned to prevent the powder this time from being mixed into the powder of the next sampling.

[0020] In the utility model, the UHPC powder material detection sampling device can achieve the effect of rotating the rotating rod at the top to drive each individual sampling tube to rotate together through the driving assembly, so that when the sampling device is inserted into and pulled out of the powder material pile, it can be rotated to one side to prevent the feed port and the storage tank from being connected in advance, thereby avoiding the effect of powder from other layers entering;

[0021] In the utility model, the UHPC powder detection sampling device can achieve that after the sampling tube rotates to a specified position, the insertion rod can move downward, so that the fixed state of the protective shell is released and the sampling tube leaks out. At this time, the sampling tube can be disassembled separately or as a whole, so that the powder entering the gap between the sampling tube and the outer tube can be cleared;

[0022] In the utility model, when in use, the plurality of sampling cylinders are rotated to a closed state by the driving assembly, and then inserted into the powder pile, and then the sampling cylinder is rotated to connect the storage tank and the feed port, so that the powder enters the interior of the storage tank, and then the sampling cylinder is re-closed and pulled out;

[0023] Each sampling cylinder can be removed individually through the snap-fit ​​assembly so as to be cleaned and replaced and to clean the powder in the gap between the outer cylinder and the sampling cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the main structure of a UHPC powder material detection and sampling device proposed in the utility model;

[0025] Figure 2 This is a rear view structural schematic diagram of another state of a UHPC powder material detection and sampling device proposed by the utility model;

[0026] Figure 3 This is a schematic diagram of the explosion structure of a UHPC powder material detection and sampling device proposed in the utility model;

[0027] Figure 4 The utility model provides a schematic cross-sectional structure diagram of a base clamping assembly of a UHPC powder material detection and sampling device.

[0028] In the figure: 1. outer shell; 2. feed port; 3. pointed head; 4. storage tank; 5. sampling tube; 6. top cover; 7. protective shell; 8. annular baffle; 9. rotating rod; 10. groove; 11. No. 2 limit block; 12. rotating shaft; 13. limit groove; 14. No. 1 limit block; 15. No. 1 L-shaped rod; 16. No. 2 L-shaped rod; 17. plug rod; 18. notch; 19. compression spring; 20. slot; 21. slide groove. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0030] Example 1

[0031] Reference Figure 1-2 , a UHPC powder material detection sampling device, which is used in the field of concrete, comprises: an outer cylinder, the outer cylinder comprises an outer shell 1 and a protective shell 7 rotatably arranged on one side of the outer shell 1, a plurality of feed ports 2 are opened on one side of the outer wall of the outer shell 1, a top cover 6 is fixedly arranged on the top of the outer shell 1, and a pointed head 3 is fixedly arranged on the bottom of the outer shell 1;

[0032] Multiple sampling barrels 5 are arranged inside the housing 1, multiple annular baffles 8 are fixedly arranged inside the housing 1, and the multiple annular baffles 8 and the multiple sampling barrels 5 are arranged crosswise, and one side of the outer wall of the multiple sampling barrels 5 is provided with a storage groove 4, and the multiple storage grooves 4 are respectively matched with the multiple feed ports 2;

[0033] In the above technical scheme, the sampling tube 5 is first rotated about ninety degrees, at which time the storage slot 4 of the sampling tube 5 will be in a closed state, and then the sampling device can be inserted into the powder pile to prevent the powder from entering the storage slot 4 in advance during the insertion process. After being inserted into the specified position, it is rotated back to its original position. At this time, the storage slot 4 and the feed port 2 will be connected, and the powder enters the storage slot 4 to complete the collection. After that, the storage slot 4 is reclosed, and the sampling device can be pulled out to complete the sampling.

[0034] refer to Figure 3 , a driving assembly, the driving assembly includes two limit grooves 13 respectively opened at the top and bottom of the sampling tube 5, a rotating shaft 12 is rotatably provided on the inner wall of the annular baffle 8, and a No. 1 limit block 14 is fixedly provided at the top and bottom of the rotating shaft 12;

[0035] The driving assembly also includes a rotating rod 9 rotatably arranged on the top of the top cover 6, and the bottom end of the rotating rod 9 rotates and penetrates into the interior of the housing 1, and a second limit block 11 is fixedly arranged at one end of the rotating rod 9 located inside the housing 1;

[0036] In the above technical solution, by rotating the rotating rod 9, the rotating rod 9 drives the second limit block 11 to rotate, and the second limit block 11 drives the top sampling tube 5 to rotate through the limit groove 13. The top sampling tube 5 drives the remaining sampling tubes 5 to rotate together through the first limit block 14 and the rotating shaft 12, so that all the sampling tubes 5 can be driven to rotate together by rotating the top rotating rod 9.

[0037] refer to Figure 4 , a snap-fit ​​assembly, the snap-fit ​​assembly includes an insertion rod 17 and at least one No. 2 L-shaped rod 16, a slot 20 is provided inside one end of the housing 1, and the insertion rod 17 is slidably arranged inside the slot 20, the No. 2 L-shaped rod 16 is fixedly arranged on one side of the outer wall of the insertion rod 17, a groove 10 matching with the No. 2 L-shaped rod 16 is provided on one side of the protective shell 7, and a card slot is provided on the top inner wall of the groove 10;

[0038] The clamping assembly further includes at least one No. 1 L-shaped rod 15 fixedly arranged on one side of the outer wall of the insertion rod 17, a notch 18 is provided on the outer wall of the annular baffle 8 near the No. 1 L-shaped rod 15, and the No. 1 L-shaped rod 15 slides through the housing 1 and extends to the inside of the notch 18, and a slide groove 21 is provided on the top of the sampling tube 5 below the No. 1 L-shaped rod 15;

[0039] The top end of the insertion rod 17 rotates through the housing 1 and the top cover 6 and extends to the top of the top cover 6 .

[0040] In the above technical scheme, when it is necessary to disassemble the sampling tube 5, the sampling tube 5 is rotated 180 degrees when the feed port 2 and the storage tank 4 are connected. At this time, the slide groove 21 at the top of the sampling tube 5 is rotated to the bottom of the No. 1 L-shaped rod 15, so that the No. 1 L-shaped rod 15 can move downward to achieve a state where the insertion rod 17 is released from fixation. At this time, the insertion rod 17 is moved downward, and the insertion rod 17 drives the No. 2 L-shaped rod 16 to move downward, so that the No. 2 L-shaped rod 16 is disengaged from the slot on the inner wall of the top of the groove 10, and the protective shell 7 can be opened, so that each sampling tube 5 can be disassembled separately, so that when the powder inside a sampling tube 5 fails the quality inspection, it can be removed and cleaned to prevent it from being mixed in other places, and after the powder enters the gap between the outer tube and the sampling tube 5, it can be cleaned to prevent the powder this time from being mixed in the powder sampled next time;

[0041] At the same time, it can solve the problem that powders in different depth layers need to be taken out separately for testing, and tools are needed to take out and pour out each storage tank 4 separately.

[0042] Example 2

[0043] refer to Figure 1 , improved on the basis of Example 1: the outer wall of the shell 1 is provided with scale lines.

[0044] In the above technical solution, it is convenient to insert the needle to a suitable depth according to the scale line, thereby increasing the actual use effect.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A UHPC powder detection sampling device, characterized in that: include: An outer cylinder, the outer cylinder comprising an outer shell (1) and a protective shell (7) rotatably arranged on one side of the outer shell (1), a plurality of feed ports (2) being opened on one side of the outer wall of the outer shell (1), a top cover (6) being fixedly arranged on the top of the outer shell (1), and a pointed head (3) being fixedly arranged on the bottom of the outer shell (1); A plurality of sampling barrels (5) for storing powder, wherein the plurality of sampling barrels (5) are arranged inside the housing (1), a plurality of annular baffles (8) are fixedly arranged inside the housing (1), and the plurality of annular baffles (8) and the plurality of sampling barrels (5) are arranged in a cross-shaped manner, and a storage groove (4) is opened on one side of the outer wall of the plurality of sampling barrels (5), and the plurality of storage grooves (4) are respectively matched with the plurality of feed ports (2); A driving assembly, used for rotating the plurality of sampling barrels (5), wherein the driving assembly is respectively arranged at the top and the bottom of the sampling barrel (5); A snap-fit ​​assembly is used to snap-fit ​​a protective shell (7), the snap-fit ​​assembly is arranged inside the outer shell (1), the snap-fit ​​assembly comprises an insertion rod (17) and at least one No. 2 L-shaped rod (16), a slot (20) is provided inside one end of the outer shell (1), and the insertion rod (17) is slidably arranged inside the slot (20), the No. 2 L-shaped rod (16) is fixedly arranged on one side of the outer wall of the insertion rod (17), a groove (10) matching the No. 2 L-shaped rod (16) is provided on one side of the protective shell (7), and a snap-fitting groove is provided on the top inner wall of the groove (10).

2. A UHPC powder detection sampling device according to claim 1, characterized in that: The driving assembly comprises two limit grooves (13) respectively arranged at the top and bottom of the sampling tube (5); a rotating shaft (12) is rotatably arranged on the inner wall of the annular baffle (8); and a first limit block (14) is fixedly arranged at the top and bottom of the rotating shaft (12).

3. A UHPC powder detection sampling device according to claim 2, characterized in that: The driving assembly also includes a rotating rod (9) rotatably arranged on the top of the top cover (6), and the bottom end of the rotating rod (9) rotates to penetrate into the interior of the outer shell (1), and a second limit block (11) is fixedly arranged at one end of the rotating rod (9) located inside the outer shell (1).

4. A UHPC powder detection sampling device according to claim 3, characterized in that: The snap-fit ​​assembly further comprises at least one No. 1 L-shaped rod (15) fixedly arranged on one side of the outer wall of the insertion rod (17); a notch (18) is provided on the outer wall of the annular baffle (8) on a side close to the No. 1 L-shaped rod (15); the No. 1 L-shaped rod (15) slides through the housing (1) and extends to the inside of the notch (18); and a slide groove (21) is provided on the top of the sampling tube (5) below the No. 1 L-shaped rod (15).

5. A UHPC powder detection sampling device according to claim 4, characterized in that: The top end of the insertion rod (17) rotates to penetrate the outer shell (1) and the top cover (6) and extends to the top of the top cover (6), and a compression spring (19) is fixedly arranged between the bottom end of the insertion rod (17) and the bottom inner wall of the slot (20).

6. The UHPC powder detection sampling equipment according to claim 1, characterized in that: The outer wall of the housing (1) is provided with scale lines.

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