CN114858512A - Based on sampling device for hydraulic engineering reconnaissance - Google Patents

Based on sampling device for hydraulic engineering reconnaissance Download PDF

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Publication number
CN114858512A
CN114858512A CN202210541121.1A CN202210541121A CN114858512A CN 114858512 A CN114858512 A CN 114858512A CN 202210541121 A CN202210541121 A CN 202210541121A CN 114858512 A CN114858512 A CN 114858512A
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drill rod
face
groove
sampling
hydraulic engineering
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CN202210541121.1A
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李凯
胡兆全
高冉
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/04Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30Assessment of water resources

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention provides a sampling device for water conservancy project investigation, relates to the technical field of water conservancy survey, and solves the problems that the length of a drill rod of the sampling device cannot be adjusted, the length of the drill rod is not enough when soil in depth is sampled, and inconvenience is brought to field operation of workers. A sampling device for investigation based on hydraulic engineering comprises a device box; an indicating groove in the up-down direction is formed in the middle of the outer end face of the device box, and a threaded hole is formed in the middle of a bottom plate of the device box; the inside of device case installs the fixed plate, and the screw hole is installed to the intermediate position of fixed plate. According to the device, the hexagonal clamping groove is formed in the lower end of the second drill rod, the second clamping column is mounted at the upper end of the second drill rod, and when workers conduct investigation sampling on deep soil layers, the total length of the drill rods can be increased by overlapping the number of the second drill rods, so that the device can conduct sampling operation on the soil in different depths.

Description

Based on sampling device for hydraulic engineering reconnaissance
Technical Field
The invention belongs to the technical field of hydraulic exploration, and particularly relates to a sampling device for hydraulic engineering exploration.
Background
Water conservancy is surveyed and is one of water conservancy construction foundation work, and is closely related with the investment and the safe operation of engineering, before the engineering construction, takes a sample to the soil in construction area, can confirm the geological conditions in construction area, the accident appears when can avoiding later stage construction, but current sampling device in use has some inadequacies.
As mentioned above, the prior sampling devices have several problems in use: firstly, the method comprises the following steps: the height of the outdoor terrain is uneven, the length of the supporting rod at the lower end of the device box is fixed, workers have difficulty in fixing the device on the slope surface, and the sampling mechanism cannot be guaranteed to vertically drill into the ground; secondly, the method comprises the following steps: the length of the drill rod can not be adjusted, and when the deep soil is sampled, the length of the drill rod is not enough, so that inconvenience is brought to field operation of workers; thirdly, the method comprises the following steps: a quantity is more for storing soil sample's sample bottle, and the workman stores the transportation to the sample bottle when, takes place the broken phenomenon of sample bottle easily.
Disclosure of Invention
The invention aims to solve the problems, provides a sampling device for water conservancy project investigation, and solves the problems that the length of a supporting rod at the lower end of the sampling device is fixed, a worker is difficult to fix the device on a slope surface, the length of a drill rod cannot be adjusted, and the length of the drill rod is not enough when the deep soil is sampled, so that the inconvenience is brought to the field operation of the worker; in addition, when the workman stores the transportation to the sample bottle, take place the broken problem of sample bottle easily.
In order to achieve the purpose, the invention provides the following technical scheme: a sampling device for investigation based on hydraulic engineering comprises a device box; an indicating groove in the up-down direction is formed in the middle of the outer end face of the device box, and a threaded hole is formed in the middle of a bottom plate of the device box; a fixing plate is arranged in the device box, and a threaded hole is formed in the middle of the fixing plate; the device comprises a device box, a first support rod, a second support rod, a third support rod and a fourth support rod, wherein the first support rod is arranged on the lower end face of the device box, the number of the first support rods is four, and the first support rods are arranged in an inclined manner; the number of the second supporting rods is four, and the lower end face of each second supporting rod is of a conical structure; the outer part of the first drill rod is provided with an external thread, the lower end face of the first drill rod is fixedly connected with a fixed disc, the lower end face of the fixed disc is inclined, a sampling mechanism is fixedly mounted on the lower end face of the fixed disc, and the first drill rod is in threaded connection with a bottom plate of the device box; the outer end of the second drill rod is provided with an external thread, the lower end face of the second drill rod is provided with a hexagonal clamping groove, and the upper end face of the second drill rod is provided with a second clamping column; the drill rod comprises a crank, the crank is in a long strip shape, a penetrating hexagonal groove is formed in the middle of the crank, and a second clamping column on the upper end face of a second drill rod is clamped in the hexagonal groove in the surface of the crank.
Further, the sampling mechanism comprises: the upper end of the fixed shaft is fixedly connected with the fixed disc, and the lower end face of the fixed shaft is of a conical structure; the helical blade is fixedly connected to the outer end of the fixed shaft; the check block is characterized in that the check block main body is of an inclined structure, and the check block is uniformly arranged on the upper end face of the helical blade.
Furthermore, a fixed block is mounted on the surface of the second supporting rod, the fixed block is of a hexagonal prism structure, and external threads are formed in the surface of the second supporting rod at the upper end of the fixed block.
Furthermore, a groove is formed in the first support rod, an internal thread is formed in the groove, and the second support rod is connected to the groove in the first support rod in a threaded mode.
Furthermore, a first clamping column is installed on the upper end face of the first drill rod, the main body of the first clamping column is of a hexagonal prism structure, and the upper end of the first clamping column is clamped in a hexagonal clamping groove at the lower end of the second drill rod.
Furthermore, a magnet is installed in the middle of the upper end face of each of the first clamping column and the second clamping column.
Furthermore, two rows of penetrating fixing holes are formed in the left side and the right side of the upper end face of the fixing plate.
Furthermore, a fixing column is installed on the outer end face of the device box, a lifting rope is sleeved outside the fixing column, and the lower end of the lifting rope is fixedly connected with the gravity cone.
Compared with the prior art, the invention has the following beneficial effects:
the invention relates to a sampling device for engineering investigation, which comprises: the second bracing piece threaded connection is in the recess of first bracing piece inside, and the second bracing piece is in rotating, and the second bracing piece can outwards or inside motion to can adjust the total length of first bracing piece and second bracing piece, make the workman under the topography of field difference, all can guarantee that the device case is in the horizontality.
In addition, the hexagonal draw-in groove has been seted up to second drilling rod lower extreme, and the second card post is installed to second drilling rod upper end, and the workman can increase the overall length of drilling rod through the quantity of stack second drilling rod when carrying out the reconnaissance sample to the soil layer of dark department for this device can carry out the sample operation to the soil of different depths.
In addition, the outer end of first drilling rod and second drilling rod all is equipped with the screw thread, and the workman cup joints the crank after the second card post outside of second drilling rod upper end, can rotate the rotation that the crank drove the second drilling rod, first drilling rod and device bottom of the case board threaded connection for the workman can drive the helical blade downstream of fixed axle outer end when rotating the crank, thereby takes out the soil of deep.
In addition, a magnet is installed to the up end intermediate position of first calorie of post, and first drilling rod is the iron material with the second drilling rod, after first calorie of post upper end joint is inside at hexagonal draw-in groove, can realize the fixed of first drilling rod and second drilling rod through the appeal between magnet and the second drilling rod.
In addition, the dog is evenly installed to helical blade's up end, and the dog is the slope form setting, and the dog can carry on spacingly with the soil on helical blade surface, prevents that helical blade from rising in-process, and the sample soil of bottommost is squeezed by the soil on upper strata, has guaranteed the accuracy of sample soil.
In addition, through the setting of fixed plate fixed surface hole, the workman can be with the sampling bottle joint in the fixed orifices, be convenient for to the storage transportation of sampling bottle.
In addition, the lifting rope upper end cup joints in the fixed column outside, and lifting rope lower extreme and gravity awl fixed connection, and after the gravity awl tightened the lifting rope under self action of gravity, can confirm whether the device case is in the horizontality through observing whether the lifting rope coincides with the instruction groove, the workman's of being convenient for sample operation.
Drawings
FIG. 1 is a schematic diagram of the overall apparatus of the present invention;
FIG. 2 is a schematic view of the connection structure of the fixing column and the lifting rope according to the present invention;
FIG. 3 is a front view of the sampling mechanism of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic view of a second drill rod and crank handle connection according to the present invention;
FIG. 6 is a schematic view of the connection of a first drill rod to a second drill rod in accordance with the present invention;
FIG. 7 is a schematic view of the connection structure of the second support bar and the first support bar according to the present invention;
FIG. 8 is a schematic view showing a connection structure of the apparatus case of the present invention and the first support bar;
fig. 9 is a schematic structural view of the fixing plate inside the device case of the present invention.
In the figure: 1. a device case; 101. an indication groove; 102. a fixing plate; 1021. a fixing hole; 103. fixing a column; 2. a first support bar; 201. a groove; 3. a second support bar; 301. a fixed block; 4. a first drill rod; 401. fixing the disc; 402. a first clamp post; 5. a second drill pipe; 501. a second clamping column; 502. a hexagonal clamping groove; 6. a fixed shaft; 601. a helical blade; 6011. a stopper; 7. a crank; 8. a lifting rope; 801. a gravity cone.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1 to 9, the present invention provides a sampling device for hydraulic engineering investigation, which comprises a device box 1; an up-down direction indicating groove 101 is formed in the middle of the outer end face of the device box 1, and a threaded hole is formed in the middle of a bottom plate of the device box 1; a fixing plate 102 is arranged in the device box 1, and a threaded hole is arranged in the middle of the fixing plate 102; the device comprises a device box 1, a first support rod 2, a second support rod 2 and a third support rod, wherein the first support rod 2 is arranged on the lower end face of the device box 1, four first support rods 2 are symmetrically arranged, and the first support rods 2 are obliquely arranged; four second support rods 3 are arranged, and the lower end surfaces of the second support rods 3 are of conical structures; the outer part of the first drill rod 4 is provided with an external thread, the lower end face of the first drill rod 4 is fixedly connected with a fixed disc 401, the lower end face of the fixed disc 401 is inclined, a sampling mechanism is fixedly mounted on the lower end face of the fixed disc 401, and the first drill rod 4 is in threaded connection with a bottom plate of the device box 1; the outer end of the second drill rod 5 is provided with an external thread, the lower end face of the second drill rod 5 is provided with a hexagonal clamping groove 502, and the upper end face of the second drill rod 5 is provided with a second clamping column 501; the crank 7 is long, a penetrating hexagonal groove is formed in the middle of the crank 7, and the second clamping column 501 on the upper end face of the second drill rod 5 is clamped in the hexagonal groove in the surface of the crank 7.
Wherein, sampling mechanism includes: the upper end of the fixed shaft 6 is fixedly connected with the fixed disc 401, and the lower end face of the fixed shaft 6 is of a conical structure; the helical blade 601, the helical blade 601 is fixedly connected to the outer end of the fixed shaft 6; the stop 6011 and the main body of the stop 6011 are inclined structures, and the stop 6011 is uniformly installed on the upper end surface of the spiral blade 601.
By adopting the scheme, the technical effects are as follows: the lower terminal surface of fixed disk 401 is slope structure, when making fixed disk 401 deepen in the soil, can reduce the resistance, and simultaneously and helical blade 601 is installed to the outer end of fixed axle 6, helical blade 601 can deepen the soil horizon depths in rotating, when helical blade 601 descends to appointed degree of depth, the workman can reverse rotation crank 7, helical blade 601 can the upward movement, and dog 6011 is evenly installed to helical blade 601's up end, dog 6011 is the slope form setting, dog 6011 can carry out spacing with the soil on helical blade 601 surface, prevent that helical blade 601 from rising in-process, the sample soil of bottommost is extrudeed by the soil of upper strata, the accuracy of sample soil has been guaranteed.
Wherein, the surface mounting of second bracing piece 3 has a fixed block 301, and fixed block 301 is hexagonal prism structure, and the external screw thread has been seted up on the 3 surfaces of second bracing piece of fixed block 301 upper end, and recess 201 has still been seted up to the inside of first bracing piece 2, and the recess 201 is inside to be seted up there is the internal thread, and the threaded connection of second bracing piece 3 is in the recess 201 of the inside of first bracing piece 2.
By adopting the scheme, the technical effects are as follows: the workman is when surveying the soil layer in the field, need fix device case 1, but open-air topography highland is uneven, in order to guarantee that device case 1 is in the horizontality, after the workman inserts second bracing piece 3 into ground, can cup joint the outer end at fixed block 301 with tools such as spanner, rotate second bracing piece 3, 3 threaded connection of second bracing piece are in the recess 201 of 2 inside of first bracing piece, second bracing piece 3 is in the rotation, second bracing piece 3 can outside or inside motion, thereby can adjust the total length of first bracing piece 2 and second bracing piece 3, make the workman under the topography of difference, all can guarantee that device case 1 is in the horizontality.
The upper end face of the first drill rod 4 is provided with a first clamping column 402, the main body of the first clamping column 402 is of a hexagonal prism structure, the upper end of the first clamping column 402 is clamped in a hexagonal clamping groove 502 at the lower end of the second drill rod 5, and a magnet is arranged between the upper end faces of the first clamping column 402 and the second clamping column 501.
By adopting the scheme, the technical effects are as follows: when sampling a deeper soil layer, the length of the first drill rod 4 is insufficient, at this time, a worker can sleeve the second drill rod 5 at the outer end of the first clamping column 402 at the upper end of the first drill rod 4 to increase the total length of the drill rods, then the worker sleeves the crank 7 at the outer part of the second clamping column 501 at the upper end of the second drill rod 5, and then rotates the crank 7, the outer ends of the first drill rod 4 and the second drill rod 5 are both provided with threads, so that the worker can drive the helical blades 601 at the outer end of the fixing shaft 6 to move downwards when rotating the crank 7, the worker can increase the number of the second drill rods 5 according to the depth of the soil layer, so that the device can sample soil layers at different depths, meanwhile, the first clamping column 402 at the upper end of the first drill rod 4 is of a hexagonal prism structure, when the first clamping column 402 is clamped inside the hexagonal clamping groove 502, the rotation of the second drill rod 5 can drive the rotation of the first drill rod 4, the first drill rod 4 and the second drill rod 5 are made of iron materials, a magnet is installed in the middle of the upper end face of the first clamping column 402, and after the upper end of the first clamping column 402 is clamped in the hexagonal clamping groove 502, the first drill rod 4 and the second drill rod 5 can be fixed through attraction between the magnet and the second drill rod 5.
Wherein, two rows of fixing holes 1021 are arranged on the left and right sides of the upper end surface of the fixing plate 102.
By adopting the scheme, the technical effects are as follows: in order to ensure the accuracy of the survey, a worker needs to collect a plurality of samples in the same place, and through the arrangement of the fixing holes 1021 on the surface of the fixing plate 102, the worker can clamp the sampling bottle in the fixing holes 1021, so that the sampling bottle can be conveniently stored and transported.
Wherein, a fixed column 103 is installed to the outer terminal surface of device case 1, and lifting rope 8 has been cup jointed to the outside of fixed column 103, and lifting rope 8's lower extreme and gravity awl 801 fixed connection.
By adopting the scheme, the technical effects are as follows: the workman is when taking a sample to the soil layer of depths, need to guarantee that fixed axle 6 is in the vertical state with ground, 8 upper ends of lifting rope cup joint outside fixed column 103, and 8 lower extremes of lifting rope and gravity awl 801 fixed connection, gravity awl 801 tightens lifting rope 8 under self action of gravity, and the outer terminal surface of device case 1 has still seted up the instruction groove 101 of an up-and-down direction, when lifting rope 8 and instruction groove 101 do not coincide, the workman can rotate the position of second bracing piece 3 in the inside recess 201 of first bracing piece 2, thereby adjusting device case 1's gradient, when lifting rope 8 and instruction groove 101 coincide, can confirm that device case 1 is in the horizontality, thereby be convenient for workman's sample operation.
When in use: when a worker surveys soil layers in the field, the device box 1 needs to be fixed, but the terrain in the field is uneven, in order to ensure that the device box 1 is in a horizontal state, after the worker inserts the second support rod 3 into the ground, tools such as a wrench and the like can be sleeved at the outer end of the fixed block 301 to rotate the second support rod 3, the second support rod 3 is in threaded connection with the groove 201 in the first support rod 2, the second support rod 3 can move outwards or inwards in the rotation process, so that the total length of the first support rod 2 and the second support rod 3 can be adjusted, the device box 1 can be ensured to be in the horizontal state under different terrains, when the deeper soil layers are sampled, the length of the first drill rod 4 is insufficient, at the moment, the worker can sleeve the second drill rod 5 at the outer end of the first clamping column 402 at the upper end of the first drill rod 4, the overall length of the drill rods is increased, then a worker sleeves the crank 7 outside the second clamping column 501 at the upper end of the second drill rod 5, then the crank 7 is rotated, the outer ends of the first drill rod 4 and the second drill rod 5 are both provided with threads, so that the worker can drive the spiral blade 601 at the outer end of the fixed shaft 6 to move downwards when the crank 7 is rotated, the number of the second drill rods 5 can be increased by the worker according to the depth of the soil layer, so that the device can sample the soil layers with different depths, meanwhile, the first clamping column 402 at the upper end of the first drill rod 4 is of a hexagonal prism structure, when the first clamping column 402 is clamped inside the hexagonal clamping groove 502, the rotation of the second drill rod 5 can drive the first drill rod 4 to rotate, the first drill rod 4 and the second drill rod 5 are both made of iron materials, a magnet is arranged in the middle position of the upper end face of the first clamping column 402, after the upper end of the first clamping column 402 is clamped inside the hexagonal clamping groove 502, the first drill rod 4 and the second drill rod 5 can be fixed through attraction between the magnet and the second drill rod 5, the lower end face of the fixed disc 401 is of an inclined structure, so that when the fixed disc 401 is deep into the ground, resistance can be reduced, meanwhile, the outer end of the fixed shaft 6 is provided with the spiral blade 601, the spiral blade 601 can be deep into the soil layer in the rotation process, when the spiral blade 601 descends to a specified depth, a worker can reversely rotate the crank 7, the spiral blade 601 can move upwards, the upper end face of the spiral blade 601 is uniformly provided with the stop blocks 6011, the stop blocks 6011 are arranged in an inclined manner, the stop blocks 6011 can limit the soil on the surface of the spiral blade 601, the sampling soil at the lowest end is prevented from being extruded by the soil at the upper layer in the ascending process of the spiral blade 601, the accuracy of the sampling soil is ensured, and in order to ensure the surveying accuracy, a worker needs to collect a plurality of samples in the same place, the worker can clamp the sampling bottle in the fixing hole 1021 through the arrangement of the fixing hole 1021 on the surface of the fixing plate 102, the sampling bottle is convenient to store and transport, when the worker samples deep soil layers, the fixing shaft 6 needs to be ensured to be in a vertical state with the ground, the upper end of the lifting rope 8 is sleeved outside the fixing column 103, the lower end of the lifting rope 8 is fixedly connected with the gravity cone 801, the gravity cone 801 tightens the lifting rope 8 under the action of self gravity, the outer end surface of the device box 1 is further provided with an indicating groove 101 in the vertical direction, when the lifting rope 8 is not superposed with the indicating groove 101, the worker can rotate the position of the second support rod 3 in the groove 201 in the first support rod 2, so as to adjust the gradient of the device box 1, when the lifting rope 8 is superposed with the indicating groove 101, the device box 1 can be determined to be in a horizontal state, thereby being convenient for sampling operation of workers.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a based on sampling device is used in hydraulic engineering reconnaissance which characterized in that: comprises a device box (1); an indicating groove (101) in the vertical direction is formed in the middle of the outer end face of the device box (1), and a threaded hole is formed in the middle of a bottom plate of the device box (1); a fixing plate (102) is arranged in the device box (1), and a threaded hole is formed in the middle of the fixing plate (102); the device comprises a device box (1), and is characterized by comprising four first support rods (2), wherein the first support rods (2) are arranged on the lower end face of the device box (1), and the first support rods (2) are arranged in an inclined manner; the number of the second supporting rods (3) is four, and the lower end face of each second supporting rod (3) is of a conical structure; the device comprises a first drill rod (4), wherein an external thread is arranged outside the first drill rod (4), the lower end face of the first drill rod (4) is fixedly connected with a fixed disc (401), the lower end face of the fixed disc (401) is inclined, a sampling mechanism is fixedly mounted on the lower end face of the fixed disc (401), and the first drill rod (4) is in threaded connection with a bottom plate of the device box (1); the outer end of the second drill rod (5) is provided with an external thread, the lower end face of the second drill rod (5) is provided with a hexagonal clamping groove (502), and the upper end face of the second drill rod (5) is provided with a second clamping column (501); the drill rod drilling machine comprises a crank (7), wherein the crank (7) is long, a penetrating hexagonal groove is formed in the middle of the crank (7), and a second clamping column (501) on the upper end face of a second drill rod (5) is clamped in the hexagonal groove in the surface of the crank (7).
2. The sampling device is used in basis hydraulic engineering reconnaissance of claim 1, characterized in that: the sampling mechanism includes: the upper end of the fixed shaft (6) is fixedly connected with the fixed disc (401), and the lower end face of the fixed shaft (6) is of a conical structure; the spiral blade (601), the spiral blade (601) is fixedly connected to the outer end of the fixed shaft (6); the stop block (6011) is characterized in that the main body of the stop block (6011) is of an inclined structure, and the stop block (6011) is uniformly arranged on the upper end face of the spiral blade (601).
3. The sampling device is used in basis hydraulic engineering reconnaissance of claim 1, characterized in that: the surface mounting of second bracing piece (3) has a fixed block (301), and fixed block (301) are hexagonal prism structure, and the external screw thread has been seted up on second bracing piece (3) surface of fixed block (301) upper end.
4. The sampling device is used in basis hydraulic engineering reconnaissance of claim 1, characterized in that: the novel support rod is characterized in that a groove (201) is further formed in the first support rod (2), an internal thread is formed in the groove (201), and the second support rod (3) is connected to the groove (201) in the first support rod (2) in a threaded mode.
5. The sampling device is used in basis hydraulic engineering reconnaissance of claim 1, characterized in that: the upper end face of the first drill rod (4) is provided with a first clamping column (402), the main body of the first clamping column (402) is of a hexagonal prism structure, and the upper end of the first clamping column (402) is clamped in a hexagonal clamping groove (502) at the lower end of the second drill rod (5).
6. The sampling device is used in basis hydraulic engineering reconnaissance of claim 5, characterized in that: and a magnet is arranged in the middle of the upper end surface of each of the first clamping column (402) and the second clamping column (501).
7. The sampling device is used in basis hydraulic engineering reconnaissance of claim 1, characterized in that: two rows of penetrating fixing holes (1021) are formed in the left side and the right side of the upper end face of the fixing plate (102).
8. The sampling device is used in basis hydraulic engineering reconnaissance of claim 1, characterized in that: a fixing column (103) is installed on the outer end face of the device box (1), a lifting rope (8) is sleeved outside the fixing column (103), and the lower end of the lifting rope (8) is fixedly connected with a gravity cone (801).
CN202210541121.1A 2022-05-17 2022-05-17 Based on sampling device for hydraulic engineering reconnaissance Withdrawn CN114858512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210541121.1A CN114858512A (en) 2022-05-17 2022-05-17 Based on sampling device for hydraulic engineering reconnaissance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210541121.1A CN114858512A (en) 2022-05-17 2022-05-17 Based on sampling device for hydraulic engineering reconnaissance

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Publication Number Publication Date
CN114858512A true CN114858512A (en) 2022-08-05

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CN202210541121.1A Withdrawn CN114858512A (en) 2022-05-17 2022-05-17 Based on sampling device for hydraulic engineering reconnaissance

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115182344A (en) * 2022-09-13 2022-10-14 徐州中矿地科岩土工程技术有限公司 Based on geotechnical engineering foundation ditch is with pile equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115182344A (en) * 2022-09-13 2022-10-14 徐州中矿地科岩土工程技术有限公司 Based on geotechnical engineering foundation ditch is with pile equipment

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