Rapid extraction device for underground water sampling

Abstract

The utility model discloses an underground water sampling rapid extraction device which comprises a bottom plate, a plurality of pulleys are fixedly installed on the bottom wall of the bottom plate, a rotating shaft and a reciprocating lead screw are rotatably installed on the upper end face of the bottom plate through a supporting frame, and the rotating shaft is connected with the outer wall of the reciprocating lead screw through a transmission mechanism. A motor connected with the rotating shaft is fixedly installed on the outer wall of the supporting frame, a winding roller is fixedly installed on the outer wall of the rotating shaft, a lifting rope is wound around the outer wall of the winding roller, a lead screw sleeve is installed on the outer wall of the reciprocating lead screw in a threaded mode, and a limiting rod is fixedly installed in the supporting frame. By arranging the reciprocating lead screw, the limiting rod, the lead screw sleeve and the like, the reciprocating lead screw can be matched with the limiting rod to drive the lead screw sleeve to move when rotating, at the moment, the lead screw sleeve can be matched with the fixing rod to drive the guide sleeve to move, and therefore the guide sleeve can interfere with the moving position of the lifting rope; and therefore, the knotting phenomenon is prevented from being generated, and the extraction speed is prevented from being influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground water sampling technical field especially relates to underground water sampling quick extraction device. BACKGROUND

[0002] Underground water sampling refers to selecting a certain number of sampling points in underground water, and taking them to sample bottles through specific sampling methods to obtain the chemical and physical characteristics of underground water.

[0003] Underground water sampling can be used in the research and management of underground water resources, the evaluation of environmental pollution, the research of underground water recharge mechanism and water resource management, etc. In the prior art, most of the sampling equipment needs to lower the sampling barrel through a lifting rope to take water when sampling underground water. However, when the sampling barrel is extracted upward, since no component is arranged to intervene the lifting rope, the lifting rope is prone to knotting and winding when being reeled, thereby affecting the extraction speed, reducing the efficiency of underground water sampling, and lacking practicality. Therefore, it is necessary to redesign the underground water sampling quick extraction device in view of the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides an underground water sampling quick extraction device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The underground water sampling quick extraction device comprises a bottom plate, a plurality of pulleys are fixedly installed on the bottom wall of the bottom plate, a rotating shaft and a reciprocating lead screw are rotatably installed on the upper end face of the bottom plate through a support frame, the outer wall of the rotating shaft and the reciprocating lead screw is connected through a transmission mechanism, a motor connected with the rotating shaft is fixedly installed on the outer wall of the support frame, a winding roller is fixedly installed on the outer wall of the rotating shaft, a lifting rope is wound on the outer wall of the winding roller, a lead screw sleeve is threadedly installed on the outer wall of the reciprocating lead screw, a limiting rod is fixedly installed in the support frame, the limiting rod slides through the lead screw sleeve, a guide sleeve is fixedly installed on the upper end face of the lead screw sleeve through a fixed rod, a fixed sleeve is fixedly installed on the outer wall of the support frame on both sides through a connecting mechanism, a support plate is fixedly installed on the upper end face of the bottom plate, an installation frame is fixedly installed on the outer wall of the support plate through an extension mechanism, a guide wheel is rotatably installed in the installation frame, a connecting cover is fixedly connected at the end of the lifting rope, a sampling barrel is slidably installed in the connecting cover, two fixed pins are slidably installed on the outer wall of the connecting cover, a plug hole matched with the two fixed pins is formed in the outer wall of the sampling barrel, a pushing block is fixedly installed on the outer wall of each fixed pin, and the inner wall of each pushing block is connected with the outer wall of the connecting cover through a fixed mechanism.

[0007] Preferably, the transmission mechanism comprises pulleys fixedly installed on the rotating shaft and the outer wall of the reciprocating lead screw, and the two pulleys are connected by a toothed belt.

[0008] Preferably, the connecting mechanism comprises a connecting rod fixedly installed on the outer wall of the support frame, and the end of the connecting rod is fixedly connected with the outer wall of the fixed sleeve.

[0009] Preferably, the telescopic mechanism comprises an electric push rod fixedly installed on the outer wall of the support plate, and the telescopic end of the electric push rod is fixedly connected with the outer wall of the mounting frame.

[0010] Preferably, the fixing mechanism comprises a fixing spring installed on the outer wall of the fixing pin, and the two ends of the fixing spring are elastically connected with the outer wall of the connecting cover and the inner wall of the push block, respectively.

[0011] Preferably, the outer wall of the sampling barrel is provided with two sampling openings in communication with the inside, the outer wall of the connecting cover is provided with two mounting openings, and the two mounting openings are both fixedly installed with filter screen plates matched with the sampling openings.

[0012] The underground water sampling rapid extraction device has the advantages that:

[0013] 1. By setting the reciprocating lead screw, the limiting rod and the lead screw sleeve, the reciprocating lead screw can drive the lead screw sleeve to move through the cooperation of the limiting rod when rotating, and the lead screw sleeve can drive the guide sleeve to move through the cooperation of the fixing rod, so that the guide sleeve can intervene in the moving position of the lifting rope, and the lifting rope can be uniformly wound on the outer wall of the winding roller, avoiding the knotting phenomenon affecting the extraction speed.

[0014] 2. By setting the electric push rod, the mounting frame and the guide wheel, the electric push rod can drive the guide wheel to move through the mounting frame, so that the sampling barrel can be moved above the sampling port, and the lifting rope can drive the guide wheel to rotate in the process of lowering and winding, thereby reducing the wear of the lifting rope and increasing the service life. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the underground water sampling rapid extraction device.

[0016] Figure 2 It is a top view structural schematic view of the underground water sampling rapid extraction device.

[0017] Figure 3 It is a side view structural schematic view of the underground water sampling rapid extraction device.

[0018] Figure 4 It is Figure 1 the enlarged schematic view of structure A in the figure.

[0019] Figure 5 It isFigure 3 Structure enlarged schematic view at B in FIG.

[0020] In the figure: 1 bottom plate, 2 pulley, 3 support frame, 4 rotating shaft, 5 reciprocating lead screw, 6 pulley, 7 motor, 8 winding roller, 9 hanging rope, 10 limiting rod, 11 lead screw sleeve, 12 fixed rod, 13 guide sleeve, 14 connecting rod, 15 fixed sleeve, 16 support plate, 17 electric push rod, 18 mounting frame, 19 guide wheel, 20 connecting cover, 21 sampling bucket, 22 fixed pin, 23 shift block, 24 fixed spring, 25 filter screen plate, 26 counterweight. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Referring to Figures 1-5 The underground water sampling rapid extraction device comprises a bottom plate 1, a plurality of pulleys 2 are fixedly installed on the bottom wall of the bottom plate 1, a rotating shaft 4 and a reciprocating lead screw 5 are rotatably installed on the upper end surface of the bottom plate 1 through a support frame 3, the rotating shaft 4 and the reciprocating lead screw 5 are connected through a transmission mechanism, the transmission mechanism comprises pulleys 6 fixedly installed on the outer walls of the rotating shaft 4 and the reciprocating lead screw 5, the two pulleys 6 are connected and driven through a toothed belt, a motor 7 connected with the rotating shaft 4 is fixedly installed on the outer wall of the support frame 3, a winding roller 8 is fixedly installed on the outer wall of the rotating shaft 4, a hanging rope 9 is wound on the outer wall of the winding roller 8, and a lead screw sleeve 11 is threadedly installed on the outer wall of the reciprocating lead screw 5.

[0023] A limiting rod 10 is fixedly installed inside the support frame 3 and slidably penetrates the lead screw sleeve 11, the limiting rod 10 can limit the lead screw sleeve 11, so that the lead screw sleeve 11 can only move axially along the outer wall of the reciprocating lead screw 5, a guide sleeve 13 is fixedly installed on the upper end surface of the lead screw sleeve 11 through a fixed rod 12, fixed sleeves 15 are fixedly installed on the outer walls of the two sides of the support frame 3 through a connecting mechanism, the connecting mechanism comprises a connecting rod 14 fixedly installed on the outer wall of the support frame 3, the end portion of the connecting rod 14 is fixedly connected with the outer wall of the fixed sleeve 15, a support plate 16 is fixedly installed on the upper end surface of the bottom plate 1, a mounting frame 18 is fixedly installed on the outer wall of the support plate 16 through an extension mechanism, the extension mechanism comprises an electric push rod 17 fixedly installed on the outer wall of the support plate 16, and the extension end of the electric push rod 17 is fixedly connected with the outer wall of the mounting frame 18.

[0024] The guide wheel 19 is rotatably arranged in the mounting frame 18, the connecting cover 20 is fixedly connected with the end of the lifting rope 9, the sampling barrel 21 is slidably arranged in the connecting cover 20, two fixed pins 22 are slidably arranged on the outer wall of the connecting cover 20, the sampling barrel 21 is provided with two insertion holes on the outer wall, the two fixed pins 22 are arranged in the two insertion holes, two push blocks 23 are fixedly arranged on the outer wall of the two fixed pins 22, the two push blocks 23 are connected with the outer wall of the connecting cover 20 through fixing mechanisms, the fixing mechanism comprises a fixed spring 24 arranged on the outer wall of the fixed pin 22, the two ends of the fixed spring 24 are elastically connected with the outer wall of the connecting cover 20 and the inner wall of the push block 23 respectively, two sampling openings are arranged on the outer wall of the sampling barrel 21 and are in communication with the inside of the sampling barrel 21, two mounting openings are arranged on the outer wall of the connecting cover 20, and two filter screen plates 25 are fixedly arranged in the two mounting openings and are matched with the sampling openings, and a counterweight 26 is fixedly arranged on the bottom wall of the sampling barrel 21.

[0025] When the utility model is used, the lifting rope 9 can pass through the guide sleeve 13 and the fixed sleeve 15 and be arranged on the outer wall of the guide wheel 19, before sampling, the bottom plate 1 can be conveniently moved through the plurality of pulleys 2, then the electric push rod 17 can drive the guide wheel 19 to move through the mounting frame 18, so that the sampling barrel 21 can be moved above the sampling opening, the motor 7 can drive the winding roller 8 to rotate through the rotating shaft 4, at this time, the winding roller 8 can release or take up the lifting rope 9, as the lifting rope 9 is released, the counterweight 26 can drive the sampling barrel 21 to descend into underground water, and the underground water can be sampled through the cooperation of the filter screen plate 25 and the sampling opening, the filter screen plate 25 can avoid that the sampled underground water contains solid impurities.

[0026] When the sampling barrel 21 is recycled, the motor 7 can drive the winding roller 8 to reverse, so that the winding roller 8 can wind the lifting rope 9, at this time, the lifting rope 9 can drive the guide wheel 19 to rotate in the moving process and pass through the fixed sleeve 15 and the guide sleeve 13, at the same time, the rotating shaft 4 can drive the reciprocating lead screw 5 to rotate through the two pulleys 6 connected by the toothed belt, the reciprocating lead screw 5 can drive the lead screw sleeve 11 to move through the cooperation with the limiting rod 10 when rotating, at this time, the lead screw sleeve 11 can drive the guide sleeve 13 to move through the cooperation of the fixed rod 12, so that the guide sleeve 13 can intervene in the moving position of the lifting rope 9, so that the lifting rope 9 can be uniformly wound on the outer wall of the winding roller 8, so that the phenomenon of knotting is avoided, and the extraction speed is affected, the fixed sleeve 15 can avoid that the lifting rope 9 is separated from the outer wall of the guide wheel 19, when the sampled water needs to be taken out from the inside of the sampling barrel 21, the push block 23 can be pushed to drive the fixed pin 22 to move out of the insertion hole, so that the fixing of the sampling barrel 21 in the connecting cover 20 is released, so that the sampling barrel 21 can be conveniently disassembled.

[0027] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A rapid extraction device for groundwater sampling comprising a base plate (1), characterised in that, The bottom wall of the bottom plate (1) is fixedly installed with a plurality of pulleys (2), the upper end surface of the bottom plate (1) is rotatably installed with a rotating shaft (4) and a reciprocating lead screw (5) through a support frame (3), the outer wall of the rotating shaft (4) and the reciprocating lead screw (5) is connected through a transmission mechanism, the outer wall of the support frame (3) is fixedly installed with a motor (7) connected with the rotating shaft (4), the outer wall of the rotating shaft (4) is fixedly installed with a winding roller (8), the outer wall of the winding roller (8) is wound with a lifting rope (9), the outer wall of the reciprocating lead screw (5) is threadedly installed with a lead screw sleeve (11), the inside of the support frame (3) is fixedly installed with a limiting rod (10), the limiting rod (10) slides through the lead screw sleeve (11), the upper end surface of the lead screw sleeve (11) is fixedly installed with a guide sleeve (13) through a fixed rod (12), the outer walls of the two sides of the support frame (3) are both fixedly installed with a fixed sleeve (15) through a connecting mechanism, the upper end surface of the bottom plate (1) is fixedly installed with a supporting plate (16), the outer wall of the supporting plate (16) is fixedly installed with a mounting frame (18) through an extension mechanism, the inside of the mounting frame (18) is rotatably installed with a guide wheel (19), the end of the lifting rope (9) is fixedly connected with a connecting cover (20), the inside of the connecting cover (20) is slidably installed with a sampling bucket (21), the outer wall of the connecting cover (20) is slidably penetrated and installed with two fixed pins (22), the outer wall of the sampling bucket (21) is provided with a jack hole matched with the two fixed pins (22), the outer walls of the two fixed pins (22) are both fixedly installed with a dial block (23), the inner walls of the two dial blocks (23) are both connected with the outer wall of the connecting cover (20) through a fixing mechanism, and the bottom wall of the sampling bucket (21) is fixedly installed with a counterweight (26).

2. The rapid groundwater sampling extraction device of claim 1, wherein, The transmission mechanism comprises a belt pulley (6) fixedly installed on the outer walls of the rotating shaft (4) and the reciprocating lead screw (5), and the two belt pulleys (6) are connected and driven through a toothed belt.

3. The rapid groundwater sampling and extraction device of claim 2, wherein, The connecting mechanism comprises a connecting rod (14) fixedly installed on the outer wall of the support frame (3), and the end of the connecting rod (14) is fixedly connected with the outer wall of the fixed sleeve (15).

4. The rapid groundwater sampling and extraction device of claim 3, wherein, The extension mechanism comprises an electric push rod (17) fixedly installed on the outer wall of the supporting plate (16), and the extension end of the electric push rod (17) is fixedly connected with the outer wall of the mounting frame (18).

5. The groundwater sampling quick-extraction device according to claim 4, characterized in that, The fixing mechanism comprises a fixed spring (24) installed on the outer wall of the fixed pin (22), and the two ends of the fixed spring (24) are elastically connected with the outer wall of the connecting cover (20) and the inner wall of the dial block (23) respectively.

6. The groundwater sampling quick-extraction device according to claim 5, characterized in that, The outer wall of the sampling bucket (21) is provided with two sampling openings in communication with the inside, the outer wall of the connecting cover (20) is provided with two mounting openings, and the inner walls of the two mounting openings are both fixedly installed with a filter screen plate (25) matched with the sampling opening.

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