Surface water sampling device
By designing a surface water sampling device and utilizing components such as a fixed support, a slide plate, and a small winch, the sampling bottle is ensured to accurately reach a depth of 0.5 meters below the water surface, solving the problem of inaccurate sampling in existing technologies and achieving efficient and accurate sampling results.
Patent Information
- Application Number
- CN202422682570.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Existing surface water sampling equipment cannot ensure that the water source in the sampling bottle is at a specific depth, especially 0.5 meters below the water surface, which leads to inaccurate sampling and makes it difficult to meet the requirements of the specifications. This is especially true when the sampling site is far from the water surface.
A surface water sampling device was designed, including a fixed support, a slide plate, a chute, a non-elastic rope, and a small winch. The sampling bottle can be accurately reached 0.5 meters below the water surface by means of a graduated frame and markings. The bottle mouth is sealed with a stainless steel cage and plate to ensure the accuracy of water sample collection.
The sampling device can accurately collect water samples from 0.5 meters above the water surface, improving the accuracy and representativeness of the sampling, meeting the requirements of the specifications, and is simple in structure and easy to operate, making it suitable for sampling in multiple scenarios.
Smart Images
Figure CN223597270U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to surface water sampling technical field, concretely is surface water sampling device. BACKGROUND
[0002] In the surface water sampling process, the sample needs to meet the requirements of table 2 of 4.1.3 in the "Surface Water Environmental Quality Monitoring Technical Specification" (HJ91.2-2022), when the water depth is less than or equal to 5 meters, the sampling position should be at 0.5 meters below the water surface, and when the water depth is greater than 5 meters, 0.5 meters below the water surface also needs to be collected to ensure the accuracy and representativeness of the test results. However, the existing sampling equipment is to tie the sampling bottle with a rope and directly throw it into the water surface, which cannot ensure that the water entering the bottle is at 0.5 meters below the water surface. It can be seen that there are problems such as inconvenient operation and low precision in realizing this specific depth sampling, which cannot ensure that the sample meets the specific depth of 0.5 meters and cannot accurately meet the above specification requirements. Especially when the sampling site is far from the water surface, it is difficult to ensure accuracy. Therefore, a sampling equipment is needed to ensure that the water entering the sampling bottle is a specific depth water source to ensure that the sample meets the specification requirements. SUMMARY
[0003] The problem to be solved is to provide a sampling equipment to ensure that the water entering the sampling bottle is a specific depth water source.
[0004] To achieve the above purpose, the utility model provides the following technical scheme: a surface water sampling device, comprising a fixed support, a slide plate connected to the fixed support, a sliding groove provided in the slide plate, the length of the slide plate being greater than the length of the fixed support; one end of the slide plate is connected to a small hoist through an inelastic rope, a scale frame is provided on the small hoist, and a mark is provided on the inelastic rope; the other end of the slide plate is connected to a stainless steel cage through an inelastic rope, the stainless steel cage is connected to a stainless steel plate, a sampling bottle is placed in the stainless steel cage, and the bottom end of the stainless steel plate abuts against the bottle mouth of the sampling bottle.
[0005] Preferably, the fixed support is detachably connected to the slide plate through a support plate.
[0006] Preferably, the support plate is fixed at the top end of the fixed support, a back-shaped groove is provided on the side of the support plate away from the fixed support, and a back-shaped block is provided at the bottom end of the slide plate and clamped in the back-shaped groove.
[0007] Preferably, rubber pads are provided at both ends of the slide plate, and the rubber pads wrap the end portions of the slide plate.
[0008] Preferably, one end of the slide plate is supported by a first inclined support, and the other end of the slide plate is supported by a second inclined support.
[0009] Compared with the prior art, the ground surface water sampling device has the following beneficial effects: the ground surface water sampling device can accurately collect water samples at 0.5 meters of the upper layer of the water surface, improves the accuracy and representativeness of sampling, makes the sample meet the specification requirements, better solves the problem of inaccurate sampling in the prior art, and the device has simple structure and is easy to operate, can be quickly disassembled and installed, and meets the sampling requirements of multiple scenes. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is a structural schematic view of the utility model;
[0011] Figure 2 It is a structural schematic view of the support plate and the slide plate of the utility model;
[0012] Mark explanation: 1, fixed support; 11, inclined support one; 12, inclined support two; 13, support plate; 131, back-shaped groove; 2, slide plate; 21, back-shaped block; 22, rubber pad; 23, sliding groove; 3, small hoist; 4, scale frame; 5, inelastic rope; 6, mark; 7, stainless steel cage; 71, stainless steel plate; 8, sampling bottle. DETAILED DESCRIPTION
[0013] The technical scheme in the utility model embodiment will be described below with reference to the drawings in the utility model embodiment:
[0014] In order to provide a surface water sampling device for collecting samples of a specific depth of surface water, generally collecting water source 0.5 meters below the water surface, the device comprises a fixed support 1, the fixed support 1 is used to ensure the stability of the sampling device during sampling, the fixed support 1 is connected with the slide plate 2, the length of the slide plate 2 is greater than the length of the fixed support 1, so that the slide plate 2 can extend over the bridge fence or from the shore to above the water source, in order to stably connect the slide plate 2 with the fixed support 1, the fixed support 1 is provided with inclined support one 11 and inclined support two 12, the inclined support one 11 supports one end of the slide plate 2, the inclined support two 12 supports the other end of the slide plate 2, the inclined support one 11 and the inclined support two 12 are detachably connected with the slide plate 2 for easy storage, the inclined support one 11 and the inclined support two 12 are rotatably connected with the fixed support 1, and the inclined support one 11 and the inclined support two 12 are folded with the fixed support 1 when not in use; the slide plate 2 is provided with a sliding groove 23, the inelastic rope 5 can slide along the sliding groove 23 in the slide plate 2, the sliding groove 23 ensures that the movement track of the inelastic rope 5 in the slide plate 2 does not deviate, one end of the inelastic rope 5 crosses the slide plate 2 and is connected with a small winch 3, the small winch 3 is provided with a scale frame 4, the inelastic rope 5 is provided with a mark 6 corresponding to the position of the scale frame 4, the other end of the inelastic rope 5 crosses the slide plate 2 and is connected with a stainless steel cage 7, the stainless steel cage 7 is connected with a stainless steel plate 71, a sampling bottle 8 is placed in the stainless steel cage 7, and the bottom end of the stainless steel plate 71 abuts against the bottle mouth of the sampling bottle 8. The mark 6 can be a movable component such as a small clip, which is used to mark the inelastic rope 5 when the bottom of the sampling bottle 8 contacts the water surface; the fixed support 1 is detachably connected with the slide plate 2 through a supporting plate 13, the supporting plate 13 is fixed at the top end of the fixed support 1, the side away from the fixed support 1 of the supporting plate 13 is provided with a back-shaped groove 131, the bottom end of the slide plate 2 is provided with a back-shaped block 21, the back-shaped block 21 is clamped in the back-shaped groove 131, and the cooperation of the back-shaped block 21 and the back-shaped groove 131 realizes the quick release and quick installation of the slide plate 2 and the supporting plate 13, thereby improving the sampling efficiency. In order to prolong the service life of the inelastic rope 5, rubber pads 22 are arranged at both ends of the slide plate 2, the rubber pads 22 wrap the end portions of the slide plate 2, and the rubber pads 22 also wrap the end portions of the sliding groove 23.
[0015] In use, first, the sampling point is determined, for example, in the case of the bridge surface, the fixed support 1 is fixed on the bridge surface, and the supporting plate 13 is installed; one end of the inelastic rope 5 is tied to the stainless steel cage 7, and the other end is connected to the small hoist 3, and the middle part of the inelastic rope 5 is clamped into the sliding groove 23; then the slide plate 2 is lifted, and the back-shaped block 21 of the slide plate 2 is clamped into the back-shaped groove 131; the inclined support one 11 is connected to one end of the slide plate 2, and the inclined support two 12 is connected to the other end of the slide plate 2. The small hoist 3 is started to lower the stainless steel cage 7 until the bottom end of the sampling bottle 8 contacts the water surface, and the small hoist 3 is stopped, and here, the height h of the sampling bottle 8 is required, because the water sample enters from the bottle mouth of the sampling bottle 8, that is, it is required that the bottle mouth of the sampling bottle 8 is placed at a water depth of 0.5 m; after the bottom end of the sampling bottle 8 contacts the water surface, a mark 6 is made on the inelastic rope 5 close to the zero scale of the scale frame 4, and after the mark 6 is made, the small hoist 3 is started again to make the mark 6 rise by 0.5 m+h, at this time, the bottle mouth of the sampling bottle 8 is located at a water depth of 0.5 m, and the water source at the water depth of 0.5 m can seep into the sampling bottle 8 from the gap between the stainless steel plate 71 and the bottle mouth of the sampling bottle 8, and when the sampling time meets the requirement, the stainless steel cage 7 is retrieved, and the sampling is completed. The stainless steel plate 71 and the sampling bottle 8 are prior art and will not be described in detail here, and the main function of the stainless steel plate 71 is to block the bottle mouth during the descending process of the sampling bottle 8, so as to avoid the entry of other depth water sources into the sampling bottle, and the stainless steel cage 7 keeps the stable descent of the sampling bottle 8. The water depth of 0.5 m is a commonly used sampling depth, and of course, the device of the utility model can still meet the needs of other depth sampling.
[0016] In summary, the device of the utility model replaces the throwing sampling mode, and can collect water samples at a specific depth, improve the sampling efficiency and sampling accuracy, and gradually lower the sampling bottle to avoid sample pollution caused by the contact of the sampling bottle with the water bottom sediment.
[0017] The above 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 belong to the protection scope of the utility model.
Claims
1. A surface water sampling device, characterized by: The utility model relates to a sampling device, including fixed support (1), fixed support (1) is connected with slide plate (2) on it, be equipped with slide groove (23) in slide plate (2), the length of slide plate (2) is greater than the length of fixed support (1);One end of slide plate (2) is connected with small hoist (3) through inelastic rope (5), and scale frame (4) is equipped on small hoist (3), and mark (6) is equipped on inelastic rope (5);The other end of slide plate (2) is connected with stainless steel cage (7) through inelastic rope (5), and stainless steel cage (7) is connected with stainless steel plate (71), and sampling bottle (8) is placed in stainless steel cage (7), and the bottom end of stainless steel plate (71) is in contact with the bottle mouth of sampling bottle (8).
2. The surface water sampling device of claim 1, wherein: The fixed support (1) is detachably connected with the slide plate (2) through the support plate (13).
3. The surface water sampling device of claim 2, wherein: The support plate (13) is fixed at the top end of the fixed support (1), and a back-shaped groove (131) is arranged on the side of the support plate (13) away from the fixed support (1). The bottom end of the slide plate (2) is provided with a back-shaped block (21) which is clamped in the back-shaped groove (131).
4. The surface water sampling device of claim 1, wherein: Rubber pads (22) are arranged at both ends of the slide plate (2), and the rubber pads (22) wrap the end portions of the slide plate (2).
5. The surface water sampling device of claim 4, wherein: The fixed support (1) supports one end of the slide plate (2) through a first inclined support (11) and supports the other end of the slide plate (2) through a second inclined support (12).