CN114518301A - Relative density appearance for hydraulic engineering - Google Patents

Relative density appearance for hydraulic engineering Download PDF

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Publication number
CN114518301A
CN114518301A CN202210246981.2A CN202210246981A CN114518301A CN 114518301 A CN114518301 A CN 114518301A CN 202210246981 A CN202210246981 A CN 202210246981A CN 114518301 A CN114518301 A CN 114518301A
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CN
China
Prior art keywords
rod
support
relative density
bracket
lifting
Prior art date
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Pending
Application number
CN202210246981.2A
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Chinese (zh)
Inventor
杭林林
周亚石
张旭
刘立江
王传先
卢灿
苏艳婷
杨凯伦
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Yunnan Yunshui Engineering Technology Testing Co ltd
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Yunnan Yunshui Engineering Technology Testing Co ltd
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Filing date
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Application filed by Yunnan Yunshui Engineering Technology Testing Co ltd filed Critical Yunnan Yunshui Engineering Technology Testing Co ltd
Priority to CN202210246981.2A priority Critical patent/CN114518301A/en
Publication of CN114518301A publication Critical patent/CN114518301A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/02Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/02Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
    • G01N2009/022Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of solids
    • 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)
  • Geophysics And Detection Of Objects (AREA)

Abstract

The invention provides a relative density meter for hydraulic engineering, which comprises a lifter bracket, wherein a sealing barrel is arranged in the lifter bracket, a lifting mechanism is arranged at the top end of the lifter bracket, and an execution end of the lifting mechanism is connected with a vibrator; the lifter support comprises a support chassis arranged at the bottom end of the sealing barrel, a first support rod arranged at one end of the upper surface of the support chassis, a second support rod arranged at the other end of the upper surface of the support chassis, and a connecting batten arranged at two ends of the support on the upper surfaces of the first support rod and the second support rod respectively, wherein one end of the first support rod is rotatably connected with a locking component. According to the invention, in the vibration process of the vibrator, the stability of the axis clamping plate is improved by utilizing the vibration of the vibrator, so that the stability in the measuring process is improved.

Description

Relative density appearance for hydraulic engineering
Technical Field
The invention mainly relates to the technical field of hydraulic engineering, in particular to a relative density meter for hydraulic engineering.
Background
Hydraulic engineering quality inspection, which may be referred to as quality inspection for short, refers to the activities performed by a hydraulic engineering quality inspection unit to inspect, measure, test or measure hydraulic engineering entities, raw materials, intermediate products, metal structures, electromechanical devices and the like used in hydraulic engineering according to relevant national laws, regulations and standards, and to compare the results with relevant standards and requirements to determine whether the engineering quality is qualified.
The electronic soil density measuring instrument consists of main body, control panel, driving mechanism, measuring cylinder, vibrating hammer and other parts.
In the use process of the existing relative density instrument, the locking of the vibrator is usually completed through the axis clamping plate for the convenience of moving the density cylinder, but the axis clamping plate is easy to break away along with the increase of the vibration times, so that the vibration effect and the final measurement data are influenced.
Disclosure of Invention
The invention mainly provides a relative density meter for hydraulic engineering, which is used for solving the technical problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a relative density meter for hydraulic engineering comprises a lifter support, wherein a sealing barrel is arranged inside the lifter support, a lifting mechanism is arranged at the top end of the lifter support, and an execution end of the lifting mechanism is connected with a vibrator;
the vibrator comprises a directional shaft rod connected with the execution end of the lifter support, a lifting frame connected with the bottom end of the directional shaft rod, and a vibration motor arranged in the lifting frame;
the lifter support comprises a support chassis arranged at the bottom end of the sealing cylinder, a first support rod arranged at one end of the upper surface of the support chassis, a second support rod arranged at the other end of the upper surface of the support chassis, and a support connecting batten of which two ends are respectively arranged on the upper surfaces of the first support rod and the second support rod, wherein one end of the first support rod is rotatably connected with a locking component;
The locking assembly comprises axis clamping plates which are sequentially arranged from top to bottom and are rotatably connected with the support rods, and buffering locking parts which are arranged on the surfaces of one sides, far away from each other, of the two axis clamping plates.
Furthermore, the lifter support also comprises a hexagonal locking sleeve sleeved on the outer surface of the top end of the first support rod and an n-shaped clamping sleeve penetrating through the top end of the second support rod and connected with the outer surface of the second support rod in a sliding manner.
In the invention, the U-shaped lifting block is pushed to lift by the sliding of the sliding sleeve on the outer surface of the directional shaft rod, and the sliding sleeve is assisted by the first electromagnet so that the sliding sleeve is fixed on the outer surface of the directional shaft rod.
Furthermore, the buffering locking component comprises a U-shaped lifting block which is sleeved outside the directional shaft rod and is abutted to the outer surface of the sliding sleeve, a connecting rod which is rotatably connected with two ends of the U-shaped lifting block through a rotating shaft, and a locking block which is connected with one end, far away from the U-shaped lifting block, of the connecting rod through a rotating shaft, wherein the bottom end of the locking block is provided with a clamping groove.
Furthermore, the buffering locking part further comprises slide rails which are arranged on the outer surface of the directional shaft rod and are symmetrically arranged, the slide rails are in sliding connection with the locking blocks, and the locking blocks are guided by the slide rails to move along a straight line, so that the stability of the locking blocks for limiting the movement of the n-shaped clamping sleeve and the hexagonal locking sleeve is improved.
Furthermore, the lifter support also comprises a groove which is arranged on the upper surface of the support chassis and is used for the insertion of the sealing cylinder, and a second electromagnet is embedded into a groove body of the groove.
Furthermore, a connecting plate, a fixing pin penetrating through the connecting plate shell and a clamping plate clamped with the fixing pin are arranged on one side surface of the first support rod and one side surface of the second support rod, which are close to each other, and the clamping plate is arranged on the outer surface of the sealing cylinder.
Furthermore, a plurality of external threads are sequentially arranged on the outer surface of the directional shaft lever from top to bottom, the directional shaft lever is meshed with the sliding sleeve through the external threads, and in the invention, the directional shaft lever guides the position of the sliding sleeve on the directional shaft lever through the external threads and completes the auxiliary fixation of the sliding sleeve.
Further, hoist mechanism including install in connect the capstan winch of slat side surface on the support, with the wire rope that the capstan winch is connected, and with wire rope keeps away from the lifting hook that the one end of capstan winch is connected, lifting hook and rings looks lock joint, rings install in the upper surface of directional axostylus axostyle.
Furthermore, the lifting mechanism further comprises a lifting rod arranged on the support and connected with the upper surface of the slat, and pulleys rotatably connected with two ends of the lifting rod through rotating shafts and used for the sliding of the steel wire rope.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the invention can flexibly measure the minimum dry density and the maximum dry density of soil in the hydraulic engineering detection process, and specifically comprises the following steps: the lifting mechanism drives the vibrator to lift so as to control whether the vibrator needs to knock soil inside the sealing barrel or not, and therefore the minimum dry density and the maximum dry density can be conveniently measured according to needs.
Secondly, the stability of the axis clamping plate can be improved by utilizing the vibration of the vibrator in the vibration process of the vibrator, so that the stability in the measurement process is improved, and the method specifically comprises the following steps: when the U-shaped lifting block close to one end of the lifting hook is pressed downwards through the sliding sleeve, the U-shaped lifting block pushes the locking block through the connecting rod connected with the U-shaped lifting block in a rotating mode, so that the locking block is pressed on the n-shaped clamping sleeve or the hexagonal locking sleeve, the displacement of the hexagonal locking sleeve and the n-shaped clamping sleeve is reduced, and the locking effect of the n-shaped clamping sleeve and the hexagonal locking sleeve on the axle center clamping plate is further improved.
The invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an isometric view of the present invention;
FIG. 3 is a schematic structural view of the locking assembly of the present invention;
FIG. 4 is an exploded view of the locking assembly of the present invention;
FIG. 5 is a schematic view of the vibrator of the present invention;
FIG. 6 is a schematic view of the construction of the lifter bracket of the present invention;
FIG. 7 is an enlarged view of the structure of area A of FIG. 6;
fig. 8 is a top view of the present invention.
In the figure: 10. a lifter bracket; 11. a bracket chassis; 12. a first frame bar; 121. a connecting plate; 122. a fixing pin; 123. a clamping plate; 13. the support is connected with a batten; 14. a locking assembly; 141. an axis clamping plate; 142. a buffer locking member; 1421. a U-shaped lifting block; 1422. a connecting rod; 1423. a locking block; 1424. a card slot; 1425. a slide rail; 15. a second rack bar; 16. a hexagonal locking sleeve; 17. an n-shaped card sleeve; 18. a groove; 19. a second electromagnet; 20. a sealing cylinder; 30. a vibrator; 31. an orienting shaft; 32. a lifting frame; 33. a vibration motor; 34. a sliding sleeve; 35. positioning plates; 36. a first electromagnet; 37. an external thread; 40. a lifting mechanism; 41. a winch; 42. a wire rope; 43. a hook; 44. a hoisting ring; 45. a lifting bar; 46. a pulley.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration, various embodiments of the invention which may be practiced in different forms and not limited to the embodiments described herein, but on the contrary, the embodiments are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of such term knowledge in the specification of the invention is for the purpose of describing particular embodiments and is not intended to be limiting of the invention, and the use of the term "and/or" herein includes any and all combinations of one or more of the associated listed items.
In an embodiment, referring to fig. 1 to 8, a relative density meter for hydraulic engineering includes a lifter bracket 10, a sealing cylinder 20 is disposed inside the lifter bracket 10, a lifting mechanism 40 is disposed at a top end of the lifter bracket 10, and an execution end of the lifting mechanism 40 is connected to a vibrator 30;
the vibrator 30 comprises a directional shaft rod 31 connected with the actuating end of the lifter bracket 10, a lifting frame 32 connected with the bottom end of the directional shaft rod 31, and a vibration motor 33 arranged inside the lifting frame 32;
the lifter bracket 10 comprises a bracket chassis 11 arranged at the bottom end of the sealing cylinder 20, a first bracket rod 12 mounted at one end of the upper surface of the bracket chassis 11, a second bracket rod 15 mounted at the other end of the upper surface of the bracket chassis 11, and a bracket upper connecting strip plate 13 with two ends respectively mounted at the upper surfaces of the first bracket rod 12 and the second bracket rod 15, wherein one end of the first bracket rod 12 is rotatably connected with a locking component 14;
the locking assembly 14 includes an axis clamping plate 141 disposed in sequence from top to bottom and rotatably connected to the support rod 12, and a buffer locking member 142 mounted on a surface of a side of the two axis clamping plates 141 away from each other.
Specifically, please refer to fig. 3 and 4 again, the lifter bracket 10 further includes a hexagonal locking sleeve 16 sleeved on the outer surface of the top end of the first bracket bar 12, and an n-shaped cutting sleeve 17 penetrating the top end of the second bracket bar 15 and slidably connected to the outer surface of the second bracket bar 15;
the vibrator 30 further comprises two sliding sleeves 34 connected with the outer surface of the directional shaft rod 31 in a sliding manner, positioning pieces 35 arranged at the top ends of the sliding sleeves 34 in a penetrating manner, and a plurality of first electromagnets 36 embedded in the shells of the sliding sleeves 34;
the buffering locking component 142 includes a U-shaped lifting block 1421 sleeved outside the directional shaft rod 31 and abutting against the outer surface of the sliding sleeve 34, a connecting rod 1422 rotatably connected to two ends of the U-shaped lifting block 1421 through a rotating shaft, a locking block 1423 connected to one end of the connecting rod 1422 far away from the U-shaped lifting block 1421 through a rotating shaft, and a clamping groove 1424 is arranged at the bottom end of the locking block 1423;
the buffering locking component 142 further includes slide rails 1425 symmetrically disposed on the outer surface of the directional shaft rod 31, and the slide rails 1425 are slidably connected to the locking block 1423;
it should be noted that, in this embodiment, the n-shaped cutting sleeve 17 is pulled down until the n-shaped cutting sleeve 17 is sleeved on the casing of the axis clamping plate 141, and then the movement of the axis clamping plate 141 is limited by the n-shaped cutting sleeve 17;
Further, the sliding sleeve 34 slides on the outer surface of the orientation shaft 31 to push the U-shaped lifting block 1421 to lift, and the sliding sleeve 34 is assisted by the first electromagnet 36, so that the sliding sleeve 34 is fixed on the outer surface of the orientation shaft 31;
further, when the sliding sleeve 34 presses down the U-shaped lifting block 1421 near one end of the hook 43, the U-shaped lifting block 1421 pushes the locking block 1423 through the connecting rod 1422 rotatably connected thereto, so that the locking block 1423 is pressed on the n-shaped clamp sleeve 17 or the hexagonal locking sleeve 16, the displacement of the hexagonal locking sleeve 16 and the n-shaped clamp sleeve 17 is reduced, and the locking effect of the n-shaped clamp sleeve 17 and the hexagonal locking sleeve 16 on the spindle clamp plate 141 is further improved;
further, the slide rail 1425 guides the locking block 1423 to move along a straight line, so as to improve the stability of the locking block 1423 when the n-shaped ferrule 17 and the hexagonal locking sleeve 16 are restricted from moving.
Specifically, please refer to fig. 6 and 7 again, the lifter bracket 10 further includes a groove 18 disposed on the upper surface of the bracket chassis 11 and used for inserting the sealing cylinder 20, and a second electromagnet 19 is embedded in the groove of the groove 18;
the connecting plates 121, the fixing pins 122 penetrating the connecting plates 121 and the clamping plates 123 clamped with the fixing pins 122 are mounted on the surfaces of the first support rod 12 and the second support rod 15, which are close to each other, and the clamping plates 123 are mounted on the outer surface of the sealing cylinder 20;
In the present embodiment, the movement of the sealing cylinder 20 is limited by the groove 18, and the second electromagnet 19 after being energized adsorbs the sealing cylinder 20, thereby further reducing the movement of the sealing cylinder 20;
further, the fixing pin 122 of the connection plate 121 is inserted through the locking plate 123 of the sealing cylinder 20, so that the movement of the locking plate 123 is restricted after the fixing pin 122 is fixed by the nut.
Specifically, please refer to fig. 2 and 5 again, the outer surface of the orientation shaft 31 is sequentially provided with a plurality of external threads 37 from top to bottom, and the orientation shaft 31 is engaged with the sliding sleeve 34 through the external threads 37;
the lifting mechanism 40 comprises a winch 41 arranged on one side surface of the connecting lath 13 on the bracket, a steel wire rope 42 connected with the winch 41, and a lifting hook 43 connected with one end of the steel wire rope 42 far away from the winch 41, wherein the lifting hook 43 is buckled with a lifting ring 44, and the lifting ring 44 is arranged on the upper surface of the directional shaft lever 31;
the lifting mechanism 40 further comprises a lifting rod 45 mounted on the upper surface of the connecting slat 13 on the bracket, and a pulley 46 rotatably connected with two ends of the lifting rod 45 through a rotating shaft and used for the sliding of the steel wire rope 42;
It should be noted that, in the present embodiment, the orientation shaft 31 guides the position of the sliding sleeve 34 thereon through the external thread 37, and completes the auxiliary fixing of the sliding sleeve 34;
further, the winch 41 rotates to complete the retraction of the steel wire rope 42, the steel wire rope 42 is retracted to complete the lifting of the lifting hook 43, the lifting hook 43 guides the lifting of the lifting ring 44 on the directional shaft lever 31 to drive the directional shaft lever 31 to lift;
furthermore, the lifting rod 45 provides support for the pulley 46, and the pulley 46 tensions the steel wire rope 42, so as to improve the stability of the steel wire rope 42 during winding and unwinding.
The specific operation mode of the invention is as follows:
when the minimum dry density is measured, the sealing barrel 20 is placed on the flat ground, soil materials are poured into the barrel slightly along the barrel edge of the sealing barrel 20 by an iron shovel which is about 5cm higher than the bottom surface, the iron shovel cannot touch the soil materials and the barrel wall, and further cannot vibrate, the sealing barrel 20 is filled with the soil materials slowly by one shovel, the particle grading is kept without separation, the soil materials are slightly higher than the barrel edge by 1-2 cm, then the sealing barrel is slightly leveled with the sealing barrel 20 by a hard ruler plate without extrusion and vibration, the residual soil outside the barrel is swept by a brush after the soil materials are scraped, the sealing barrel 20 is conveyed to a scale by a material conveying handlebar, and the dry soil quality is measured.
When the maximum dry density is measured, the shaking winch 41 raises the vibrator 30 to place the sealing drum 20 at the center of the chassis of the bracket and fix it to the bracket. Dividing the test soil into two parts by a quartering method, wherein one part is filled in a sealing cylinder 20 and is about 20cm high, putting down a vibrator 30, tamping a plate on the soil sample surface, turning on an electric switch, starting a vibration motor 33 to vibrate for 8 minutes, turning off the electric switch, horizontally rotating an axis clamping plate 141, lifting the vibrator 30 by a winch 41, scratching the soil surface by a scraper, then putting the other half of the soil material into the soil sample surface and being about 20cm high, putting the tamping plate of the vibrator 30 on the soil sample surface, clamping a fixed shaft rod on the upper part of the vibrator 30 in a positioning plate hole, rotating the axis clamping plate 141, turning on the electric switch, starting the vibration motor 33 to vibrate for 8 minutes, then turning off the vibration motor 33, rotating the axis clamping plate 141, moving the upper part of the vibrator 30 to rotate the axis clamping plate 141, lifting the vibrator 30, lifting the sealing cylinder 20 by a material conveying vehicle, putting the sealing cylinder 20 on the ground, completely, weighing the dry soil quality by sweeping the residual soil outside the cylinder, and then measuring the height from the opening of the cylinder to the soil surface by a horizontal ruler and a vertical ruler, the average value of the five points is measured to obtain the height of the soil sample, and the volume of the sample is obtained. The density of the sample is calculated, and the average value is obtained by measuring twice.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without such modifications.

Claims (10)

1. The relative density instrument for the hydraulic engineering comprises a lifter support (10) and is characterized in that a sealing barrel (20) is arranged inside the lifter support (10), a lifting mechanism (40) is arranged at the top end of the lifter support (10), and an execution end of the lifting mechanism (40) is connected with a vibrator (30);
the vibrator (30) comprises a directional shaft rod (31) connected with the execution end of the lifter support (10), a lifting frame (32) connected with the bottom end of the directional shaft rod (31), and a vibration motor (33) arranged in the lifting frame (32);
the lifter support (10) comprises a support chassis (11) arranged at the bottom end of the sealing cylinder (20), a first support rod (12) arranged at one end of the upper surface of the support chassis (11), a second support rod (15) arranged at the other end of the upper surface of the support chassis (11), and a support upper connecting strip plate (13) with two ends respectively arranged on the upper surfaces of the first support rod (12) and the second support rod (15), wherein one end of the first support rod (12) is rotatably connected with a locking component (14);
The locking assembly (14) comprises an axis clamping plate (141) and a buffering locking component (142), wherein the axis clamping plate (141) is sequentially arranged from top to bottom and is rotatably connected with the support rod (12), and the buffering locking component (142) is installed on the surface of one side, away from each other, of the two axis clamping plates (141).
2. The relative density meter for water conservancy projects according to claim 1, wherein the lifter bracket (10) further comprises a hexagonal locking sleeve (16) sleeved on the outer surface of the top end of the first bracket rod (12), and an n-shaped cutting sleeve (17) penetrating through the top end of the second bracket rod (15) and slidably connected with the outer surface of the second bracket rod (15).
3. The relative density meter for water conservancy projects according to claim 1, wherein the vibrator (30) further comprises two sliding sleeves (34) in sliding connection with the outer surface of the orientation shaft rod (31), a positioning sheet (35) penetrating the top ends of the sliding sleeves (34), and a plurality of first electromagnets (36) embedded in the shells of the sliding sleeves (34).
4. The relative density meter for the water conservancy project according to claim 3, wherein the buffering locking component (142) comprises a U-shaped lifting block (1421) which is sleeved outside the directional shaft rod (31) and is abutted against the outer surface of the sliding sleeve (34), a connecting rod (1422) which is rotatably connected with two ends of the U-shaped lifting block (1421) through a rotating shaft, a locking block (1423) which is connected with one end, far away from the U-shaped lifting block (1421), of the connecting rod (1422) through a rotating shaft, and a clamping groove (1424) is formed in the bottom end of the locking block (1423).
5. The relative density gauge for water conservancy projects according to claim 4, wherein the buffering locking component (142) further comprises symmetrically arranged slide rails (1425) arranged on the outer surface of the orientation shaft rod (31), and the slide rails (1425) are slidably connected with the locking blocks (1423).
6. The relative density meter for the water conservancy project according to claim 1, wherein the lifter bracket (10) further comprises a groove (18) which is formed in the upper surface of the bracket chassis (11) and is used for the penetration of the sealing cylinder (20), and a second electromagnet (19) is embedded in a groove body of the groove (18).
7. The relative density meter for the water conservancy project according to claim 1, wherein a connecting plate (121), a fixing pin (122) penetrating through a shell of the connecting plate (121), and a clamping plate (123) clamped with the fixing pin (122) are mounted on one side surface of the first support rod (12) and the second support rod (15) close to each other, and the clamping plate (123) is mounted on the outer surface of the sealing barrel (20).
8. The relative density instrument for the water conservancy project according to claim 4, characterized in that a plurality of external threads (37) are sequentially arranged on the outer surface of the orientation shaft rod (31) from top to bottom, and the orientation shaft rod (31) is meshed with the sliding sleeve (34) through the external threads (37).
9. The relative density gauge for water conservancy projects according to claim 1, wherein the lifting mechanism (40) comprises a winch (41) mounted on one side surface of the bracket connecting slat (13), a wire rope (42) connected with the winch (41), and a hook (43) connected with one end of the wire rope (42) far away from the winch (41), the hook (43) is fastened with a hanging ring (44), and the hanging ring (44) is mounted on the upper surface of the directional shaft rod (31).
10. The relative density gauge for water conservancy projects according to claim 9, wherein the lifting mechanism (40) further comprises a lifting rod (45) mounted on the bracket and connected to the upper surface of the slat (13), and a pulley (46) rotatably connected to both ends of the lifting rod (45) through a rotating shaft and allowing the steel cable (42) to slide.
CN202210246981.2A 2022-03-14 2022-03-14 Relative density appearance for hydraulic engineering Pending CN114518301A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210246981.2A CN114518301A (en) 2022-03-14 2022-03-14 Relative density appearance for hydraulic engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210246981.2A CN114518301A (en) 2022-03-14 2022-03-14 Relative density appearance for hydraulic engineering

Publications (1)

Publication Number Publication Date
CN114518301A true CN114518301A (en) 2022-05-20

Family

ID=81598638

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210246981.2A Pending CN114518301A (en) 2022-03-14 2022-03-14 Relative density appearance for hydraulic engineering

Country Status (1)

Country Link
CN (1) CN114518301A (en)

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