A cane type sampling tube

Abstract

The utility model relates to the technical field of gas sampling, and specifically to a cane-type sampling tube, including a ceiling and a crossbeam, a crossbeam is provided at the lower part of the ceiling, a lower fixing hoop is fixedly connected to the bottom of the crossbeam, a main sampling tube is fixedly connected inside the lower fixing hoop, a tee is provided on the surface of the main sampling tube, a lower sampling hole is provided on the surface of the main sampling tube, an upper fixing hoop is fixedly connected to the lower surface of the ceiling, and a cane-shaped sampling tube is fixedly connected inside the upper fixing hoop. The utility model is provided with an upper sampling hole, a rigid sampling tube is extended longitudinally from the main sampling tube, and enters upward into the area between the crossbeams to sample the air in the area between the crossbeams, thereby ensuring the comprehensiveness of the sampled gas, and two types of ninety-degree elbows are provided to connect the cane-shaped sampling tube to avoid the problems of excessive gas resistance and pressure loss.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas sampling, and in particular relates to a walking stick type sampling tube. Background Art

[0002] There are beam openings (over 600mm) between large ceiling beams. The typical ceiling sampling sampling pipe network is usually installed below this huge area. It is impossible to collect air samples between the beams, and the collection range is not comprehensive enough. In addition, the existing ceiling sampling pipe network uses right-angle elbows at the turns, which increases gas resistance and pressure loss. Therefore, a cane-type sampling tube is urgently needed to solve the above problems. Utility Model Content

[0003] In order to overcome the above-mentioned technical problems, the purpose of the utility model is to provide a walking stick type sampling tube to solve the typical ceiling sampling proposed in the above-mentioned background technology. Its sampling pipe network is usually installed under this huge area, and it is impossible to collect air samples between the beams. The collection range is not comprehensive enough, and the existing ceiling sampling pipe network uses right-angle elbows at the turns, which increases the gas resistance and pressure loss.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hanging frame for concrete pipe piles for construction, comprising a ceiling and a crossbeam, a crossbeam is arranged at the lower part of the ceiling, a lower fixing hoop is fixedly connected to the bottom of the crossbeam, a main sampling tube is fixedly connected inside the lower fixing hoop, a tee is arranged on the surface of the main sampling tube, a lower sampling hole is opened on the surface of the main sampling tube, an upper fixing hoop is fixedly connected to the lower surface of the ceiling, a cane-shaped sampling tube is fixedly connected inside the upper fixing hoop, the cane-shaped sampling tube comprises a longitudinal sampling tube 1 and a longitudinal sampling tube 2, the top of the longitudinal sampling tube 1 The first end of the longitudinal sampling tube is movably connected with a large moon elbow, the end of the large moon elbow away from the longitudinal sampling tube is movably connected with a transverse sampling tube, the surface of the transverse sampling tube is provided with an upper sampling hole, the end of the transverse sampling tube away from the large moon elbow is movably connected with an end cap, the top of the longitudinal sampling tube is movably connected with an elbow, the right end of the elbow is movably connected with a connecting tube, the right end of the connecting tube is movably connected with an elbow, the right end of the elbow is movably connected with a transverse sampling tube, the surface of the transverse sampling tube is provided with an upper sampling hole, and the right end of the transverse sampling tube is movably connected with an end cap.

[0005] Preferably, two groups of cross beams are provided, and the lower surfaces of the two groups of cross beams are fixedly connected to the lower fixing hoop.

[0006] Preferably, two groups of the down-sampling holes are provided, and the two groups of the down-sampling holes are symmetrical about the main sampling tube.

[0007] Preferably, two groups of the cane-shaped sampling tubes are provided, one group of the cane-shaped sampling tubes connects longitudinal sampling tube 1 with transverse sampling tube 1 through a large moon elbow, and the other group of the cane-shaped sampling tubes connects longitudinal sampling tube 2 with transverse sampling tube 2 through elbow 1, connecting tube and elbow 2.

[0008] Preferably, the inner walls of the large moon elbow and the end cap are provided with an internal thread, and the longitudinal sampling tube and the transverse sampling tube are connected to the large moon elbow and the end cap via threads arranged on the surface.

[0009] Preferably, the inner walls of the elbow one, elbow two and end cap two are provided with internal threads two, and the longitudinal sampling tube two, connecting tube and transverse sampling tube two are connected to the elbow one, elbow two and end cap two through threads arranged on the surface.

[0010] Preferably, the bending angle of the large moon elbow is ninety degrees, and the bending angles of the elbow one and the elbow two are both forty-five degrees.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. This walking stick type sampling tube is provided with an upper sampling hole. A rigid sampling tube is extended longitudinally from the main sampling tube and enters upward into the area between the beams to sample the air in the area between the beams, thereby ensuring the comprehensiveness of the sampled gas.

[0013] 2. The cane-type sampling tube is provided with two 90-degree elbows to connect the cane-shaped sampling tube, thereby avoiding the problems of excessive gas resistance and pressure loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a bottom view schematic diagram of the structure of the utility model;

[0016] Figure 3 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the partial structure explosion of the cane-shaped sampling tube of the utility model;

[0018] Figure 5 It is a schematic diagram of the partial structure explosion of the walking stick-shaped sampling tube of the utility model.

[0019] In the figure: 1. ceiling; 2. crossbeam; 3. lower fixing hoop; 4. main sampling tube; 5. tee; 6. lower sampling hole; 7. upper fixing hoop; 8. cane-shaped sampling tube; 81. longitudinal sampling tube one; 82. large moon elbow; 83. transverse sampling tube one; 84. upper sampling hole one; 85. end cap one; 86. longitudinal sampling tube two; 87. elbow one; 88. connecting tube; 89. elbow two; 810. transverse sampling tube two; 811. upper sampling hole two; 812. end cap two. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 , an embodiment provided by the utility model:

[0022] A hanging frame for concrete pipe piles for construction comprises a ceiling 1 and a crossbeam 2, wherein the crossbeam 2 is arranged at the lower part of the ceiling 1, a lower fixing hoop 3 is fixedly connected to the bottom of the crossbeam 2, a main sampling tube 4 is fixedly connected inside the lower fixing hoop 3, a tee 5 is arranged on the surface of the main sampling tube 4, a lower sampling hole 6 is provided on the surface of the main sampling tube 4, an upper fixing hoop 7 is fixedly connected to the lower surface of the ceiling 1, a cane-shaped sampling tube 8 is fixedly connected inside the upper fixing hoop 7, the cane-shaped sampling tube 8 comprises a longitudinal sampling tube 1 81 and a longitudinal sampling tube 2 86, a large moon elbow 82 is movably connected to the top of the longitudinal sampling tube 1 81, an end of the large moon elbow 82 away from the longitudinal sampling tube 1 81 is movably connected to a transverse sampling tube 1 83, an upper sampling hole 84 is provided on the surface of the transverse sampling tube 1 83, and the transverse sampling tube 1 83 is provided with a plurality of upper sampling holes 84. The end away from the large moon elbow 82 is movably connected with an end cap 85, the top of the longitudinal sampling tube 86 is movably connected with an elbow 87, the right end of the elbow 87 is movably connected with a connecting tube 88, the right end of the connecting tube 88 is movably connected with an elbow 89, the right end of the elbow 89 is movably connected with a transverse sampling tube 810, an upper sampling hole 811 is provided on the surface of the transverse sampling tube 810, the right end of the transverse sampling tube 810 is movably connected with an end cap 812, the upper sampling hole is provided, a rigid sampling tube is longitudinally extended from the main sampling tube 4, upwardly enters the area between the beams 2, and the air in the area between the beams 2 is sampled, thereby ensuring the comprehensiveness of the sampled gas, and two ninety-degree elbows are provided to connect the cane-shaped sampling tube 8 to avoid the problems of excessive gas resistance and pressure loss.

[0023] Furthermore, two groups of cross beams 2 are provided, and the lower surfaces of the two groups of cross beams 2 are fixedly connected to the lower fixing hoops 3 , and the main sampling tube 4 is firmly fixed to the lower surface of the cross beam 2 by the lower fixing hoops 3 .

[0024] Furthermore, two groups of down-sampling holes 6 are provided, and the two groups of down-sampling holes 6 are symmetrical about the main sampling tube 4, so that the sampling coverage is wide and the sampling is more accurate.

[0025] Furthermore, two groups of cane-shaped sampling tubes 8 are provided. One group of cane-shaped sampling tubes 8 connects longitudinal sampling tube 1 81 with transverse sampling tube 1 83 through a large moon elbow 82, and the other group of cane-shaped sampling tubes 8 connects longitudinal sampling tube 2 86 with transverse sampling tube 2 810 through elbow 1 87, connecting tube 88 and elbow 2 89. The interconnected components in the two groups of cane-shaped sampling tubes 8 are sealed by adhesive.

[0026] Furthermore, the inner walls of the large moon elbow 82 and the end cap 85 are provided with internal threads, and the longitudinal sampling tube 81 and the transverse sampling tube 83 are connected to the large moon elbow 82 and the end cap 85 through the threads arranged on the surface, so that the cane-shaped sampling tube 8 is easy to install.

[0027] Furthermore, the inner walls of elbow 1 87, elbow 2 89 and end cap 2 812 are provided with internal threads 2, and longitudinal sampling tube 2 86, connecting tube 88 and transverse sampling tube 2 810 are connected to elbow 1 87, elbow 2 89 and end cap 2 812 via threads arranged on the surface, so that the cane-shaped sampling tube 8 is easy to install.

[0028] Furthermore, the bending angle of the large moon elbow 82 is ninety degrees, and the bending angles of the first elbow 87 and the second elbow 89 are both forty-five degrees. The ninety-degree connection of the elbows is achieved in two ways, thereby increasing applicability.

[0029] Working principle: A main sampling tube 4 is installed under the cross beam 2 of the ceiling 1. A rigid longitudinal sampling tube extends upward from the main sampling tube 4 between every two cross beams 2, that is, from the inside of the cross beam 2. A transverse sampling tube is installed on the lower surface of the ceiling 1 between the two cross beams 2. The longitudinal sampling tube and the transverse sampling tube are connected by a large moon elbow 82 or a connecting piece consisting of an elbow 1 87, a connecting tube 88 and an elbow 2 89. The angles of elbow 1 87 and elbow 2 89 are both forty-five degrees, and the angle of the large moon elbow 82 is ninety degrees. An upper sampling hole is opened on the transverse sampling tube, and the upper sampling hole cooperates with the lower sampling hole 6 to realize the comprehensive collection of the sampled gas.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A walking stick type sampling tube, comprising a ceiling (1) and a crossbeam (2), characterized in that: A crossbeam (2) is provided at the lower part of the ceiling (1), a lower fixing hoop (3) is fixedly connected to the bottom of the crossbeam (2), a main sampling tube (4) is fixedly connected inside the lower fixing hoop (3), a tee (5) is provided on the surface of the main sampling tube (4), a lower sampling hole (6) is provided on the surface of the main sampling tube (4), an upper fixing hoop (7) is fixedly connected to the lower surface of the ceiling (1), a cane-shaped sampling tube (8) is fixedly connected inside the upper fixing hoop (7), the cane-shaped sampling tube (8) comprises a longitudinal sampling tube 1 (81) and a longitudinal sampling tube 2 (86), a large moon elbow (82) is movably connected to the top of the longitudinal sampling tube 1 (81), and the large moon elbow (82) is away from the longitudinal sampling tube 1 (81). The end is movably connected with a transverse sampling tube (83), the surface of which is provided with an upper sampling hole (84), the end of which is away from the large moon elbow (82) is movably connected with an end cap (85), the top of the longitudinal sampling tube (86) is movably connected with an elbow (87), the right end of the elbow (87) is movably connected with a connecting tube (88), the right end of the connecting tube (88) is movably connected with an elbow (89), the right end of the elbow (89) is movably connected with a transverse sampling tube (810), the surface of the transverse sampling tube (810) is provided with an upper sampling hole (811), and the right end of the transverse sampling tube (810) is movably connected with an end cap (812).

2. The walking stick type sampling tube according to claim 1, characterized in that: Two groups of cross beams (2) are provided, and the lower surfaces of the two groups of cross beams (2) are fixedly connected to the lower fixing hoop (3).

3. The walking stick type sampling tube according to claim 1, characterized in that: The down sampling holes (6) are provided in two groups, and the two groups of down sampling holes (6) are symmetrical with respect to the main sampling tube (4).

4. The walking stick type sampling tube according to claim 1, characterized in that: The walking stick-shaped sampling tubes (8) are provided in two groups, one group of the walking stick-shaped sampling tubes (8) connects the longitudinal sampling tube 1 (81) with the transverse sampling tube 1 (83) via a large moon elbow (82), and the other group of the walking stick-shaped sampling tubes (8) connects the longitudinal sampling tube 2 (86) with the transverse sampling tube 2 (810) via an elbow 1 (87), a connecting tube (88) and an elbow 2 (89).

5. The walking stick type sampling tube according to claim 1, characterized in that: The inner walls of the large moon elbow (82) and the end cap (85) are both provided with internal threads, and the longitudinal sampling tube (81) and the transverse sampling tube (83) are connected to the large moon elbow (82) and the end cap (85) through the threads provided on the surface.

6. The walking stick type sampling tube according to claim 1, characterized in that: The inner walls of the elbow 1 (87), the elbow 2 (89) and the end cap 2 (812) are all provided with internal threads 2, and the longitudinal sampling tube 2 (86), the connecting tube (88) and the transverse sampling tube 2 (810) are connected to the elbow 1 (87), the elbow 2 (89) and the end cap 2 (812) through threads arranged on the surface.

7. The walking stick type sampling tube according to claim 1, characterized in that: The bending angle of the large moon elbow (82) is ninety degrees, and the bending angles of the first elbow (87) and the second elbow (89) are both forty-five degrees.

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