CN113123314B - Reconnaissance subassembly and reconnaissance device - Google Patents

Reconnaissance subassembly and reconnaissance device Download PDF

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Publication number
CN113123314B
CN113123314B CN202110286319.5A CN202110286319A CN113123314B CN 113123314 B CN113123314 B CN 113123314B CN 202110286319 A CN202110286319 A CN 202110286319A CN 113123314 B CN113123314 B CN 113123314B
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groove
plate body
plate
grooves
rod
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CN202110286319.5A
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CN113123314A (en
Inventor
张旭
杜晓东
王志鹏
张旭辉
张勇
李明
李光明
蒋钿
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China Building Materials Southwest Survey And Design Co ltd
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China Building Materials Southwest Survey And Design Co ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D1/00Investigation of foundation soil in situ
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Soil Sciences (AREA)
  • Biochemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Revetment (AREA)

Abstract

The invention provides a surveying component and a surveying device, and relates to the technical field of surveying. The water-absorbing expansion type plastic plate comprises a cuboid-shaped plate body, wherein a floating body is arranged at the bottom of the cuboid-shaped plate body, first connecting pieces which are arranged up and down are arranged on two adjacent side walls of the plate body, first connecting pieces which comprise first pulling plates are arranged on the other two adjacent side walls of the plate body, second pulling plates are arranged on the first pulling plates in a rotating mode, L-shaped sliding rods are arranged at the end portions of the second pulling plates in a sliding mode, the first connecting grooves comprise inner grooves, expanding grooves for the second pulling plates to rotate are formed in the end portions of the first connecting grooves, clamping grooves are formed in the inner walls of the expanding grooves, outer grooves for the sliding rods to slide are formed in the top surfaces of the plate body on the upper portions of the inner grooves, each second connecting piece comprises an inserting rod, a plurality of first convex rings are arranged on the outer walls of the inserting rods and the first convex rings, a layer of water-absorbing expansion rubber is arranged on the outer walls of the inserting grooves, a plurality of second convex rings are arranged on the inner walls of the inserting grooves, the plate body is arranged in a matrix mode, and the first connecting pieces are inserted into the second connecting grooves.

Description

Reconnaissance subassembly and reconnaissance device
Technical Field
The invention relates to the technical field of investigation, in particular to a surveying assembly and a surveying device.
Background
Reconnaissance refers to finding out, analyzing and evaluating the geological and geographical environmental characteristics and geotechnical engineering conditions of a construction site, proposing a reasonable foundation suggestion and compiling the activities of reconnaissance files of the construction engineering according to the requirements of the construction engineering.
When an underwater exploration activity is carried out, equipment such as ship loading, rotating hole sampling and the like is generally used, however, due to the restriction of geographical environment, transportation and the like, ships in partial rivers or lakes are difficult to reach, and large vehicles or transportation tools are difficult to reach the shore, so that the exploration operation is influenced.
The large ship is inconvenient to dispatch, troublesome to transfer and high in use cost, so that the ship is easy to damage, the service life of the ship is shortened, and the cost is increased by using the spliced small ships as a survey operation device in most cases; receive the restriction of operation requirement, when carrying out the reconnaissance operation, need use equipment such as commentaries on classics hole sample, equipment such as commentaries on classics hole sample is difficult to with the installation of boats and ships not damaged, be connected, be unfavorable for going on of reconnaissance work such as commentaries on classics hole sample, and damage boats and ships easily cause the loss, also make use cost high.
When the ship is used as the bearing platform, the size of the operation platform is difficult to control so as to adapt to different requirements, and the operation platform is complex to install and disassemble, long in operation time and low in operation efficiency.
Disclosure of Invention
The invention aims to develop a surveying component and a surveying device which are convenient to transport, free of geographic environment and transportation limitation, low in use cost and high in mounting and dismounting efficiency.
The invention is realized by the following technical scheme:
the reconnaissance assembly comprises a cuboid-shaped plate body, a floating body is arranged at the bottom of the cuboid-shaped plate body, first connecting pieces are arranged on two adjacent side walls of the plate body, second connecting pieces are arranged on the side walls of the plate body at the lower part of the first connecting pieces, first pulling plates are arranged on the side walls of the plate body at the lower parts of the first connecting pieces, second pulling plates are arranged on the first pulling plates in a rotating mode, sliding rods capable of sliding along the length direction of the second pulling plates are arranged at the end parts of the second pulling plates, the sliding rods are L-shaped rods, the first connecting grooves comprise inner grooves, expanding grooves for rotating the second pulling plates are formed in the end parts of the inner grooves, clamping grooves matched with the sliding rods are formed in the inner walls of the expanding grooves, outer grooves for sliding the sliding rods are formed in the top surface of the plate body at the upper parts of the inner grooves, a plurality of first connecting pieces are arranged on the outer walls of the inserting rods, water-absorbing expansion rubber is arranged on the outer walls of the inserting rods, and a plurality of the inserting grooves matched with the first connecting pieces are formed in the inner walls of the second connecting grooves.
Optionally, the first connecting piece further includes a groove formed in a side wall of the plate body, the first pulling plate is rotatably disposed in the groove, the first pulling plate and the second pulling plate are rotatably received in the groove, and a receiving groove matched with the sliding rod is formed in a position corresponding to the top of the groove.
Optionally, the slide bar comprises a vertical part and a horizontal part which are perpendicular to each other, the top end of the vertical part extends out of the second pulling plate, the top end of the vertical part is not higher than the top surface of the plate body, and the horizontal part can slide into the clamping groove.
Optionally, a spring telescopic rod arranged along the sliding direction of the sliding rod is arranged in the second pulling plate, one end of the spring telescopic rod is fixed in the second pulling plate, and the other end of the spring telescopic rod is connected with the horizontal part of the sliding rod.
Optionally, the enlarged groove is an arc groove, the radius of the enlarged groove is not smaller than the rotation radius of the second pulling plate, and the radius of the enlarged groove is smaller than the length of the second pulling plate when the sliding rod is completely extended out.
Optionally, the insertion rod is in a circular truncated cone shape, the end portion of the insertion rod connected with the side wall of the plate body is a larger end, and the insertion groove is correspondingly in a circular truncated cone shape matched with the insertion groove.
Optionally, the first convex ring is a circular ring coaxially arranged with the inserted bar, the first convex ring is arranged in the axial direction of the inserted bar at equal intervals, and the outer wall of the first convex ring is in an outward convex arc shape.
Optionally, the second protruding rings are arranged along the inner wall of the slot and coaxial with the inner wall of the slot, the second protruding rings are arranged at equal intervals in the axial direction of the slot, the inner wall of each second protruding ring is in an arc shape protruding inwards, and after the insertion rod is inserted into the slot, the first protruding ring is located between two adjacent second protruding rings.
Optionally, a threaded rod and a threaded groove which are mutually matched are respectively arranged on the end part of the inserted bar and the side wall of the plate body, so that the inserted bar is in threaded connection with the side wall of the plate body.
The reconnaissance device comprises a plurality of reconnaissance assemblies, wherein a plurality of plate bodies are arranged in a matrix mode, and the first connecting piece and the second connecting piece of each plate body are inserted into the first connecting groove and the second connecting groove of the adjacent plate body.
The beneficial effects of the invention are:
the invention has low manufacturing cost and use cost, is convenient to transport, can transport a plurality of plate bodies by a small transport tool especially in lakes and rivers which are difficult to reach by ships or large vehicles, has convenient connection operation among the plate bodies, high mounting and dismounting efficiency and stable connection, can extend the water-absorbing expansion rubber to enhance the stability among the plate bodies in an environment with more urgent water flow, and further ensures that the exploration device has stable structure and improved integrity.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a view showing a structure of a first connecting member;
FIG. 3 is a structural view of a second connecting member and a second connecting groove;
FIG. 4 is a view showing the structure of the first connecting member and the first connecting groove;
FIG. 5 is a view showing the inner groove, the expanding groove and the engaging groove;
fig. 6 is a structure view of a second connecting groove.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the inventive concept. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings, which are used for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the invention discloses a surveying component and a surveying device, the surveying component comprises a cuboid plate body 1, a floating body 2 is arranged at the bottom of the cuboid plate body 1, two adjacent side walls of the plate body 1 are provided with first connecting pieces, a side wall of the plate body 1 at the lower part of the first connecting pieces is provided with a second connecting piece, the other two adjacent side walls of the plate body 1 are provided with first connecting grooves, a side wall of the plate body 1 at the lower part of the first connecting grooves is provided with second connecting grooves, the first connecting pieces comprise first pulling plates 5 arranged on the side walls of the plate body 1, the first pulling plates 5 are rotatably provided with second pulling plates 6, the end parts of the second pulling plates 6 are provided with sliding rods 7 capable of sliding along the length direction of the second pulling plates, the sliding rods 7 are L-shaped rods, the first connecting grooves comprise inner grooves 9, the end parts of the inner grooves 9 are provided with expanding grooves 16 for the second pulling plates 6 to rotate, the survey device comprises a plurality of survey assemblies, wherein a plurality of plate bodies 1 are arranged in a matrix, and the first connecting pieces and the second connecting pieces of the plate bodies 1 are inserted into the first connecting grooves and the second connecting grooves of the adjacent plate bodies 1, the clamping grooves 17 matched with the sliding rods 7 are formed in the inner walls of the expanded grooves 16, the top surfaces of the plate bodies 1 on the upper portions of the inner grooves 9 are provided with outer grooves 14 for the sliding rods 7 to slide, the second connecting pieces comprise inserting rods 12 arranged on the side walls of the plate bodies 1, a plurality of first convex rings 13 are arranged on the outer walls of the inserting rods 12, a layer of water-absorbing expansion rubber is arranged on the outer walls of the inserting rods 12 and the first convex rings 13, a plurality of second convex rings 11 matched with the first convex rings 13 are arranged on the inner walls of the inserting rods 10, and the survey assemblies are arranged in the matrix.
In an embodiment of this application, reconnaissance subassembly package rubbing board body 1, plate body 1 is the rectangular bodily form, plate body 1 top surface is equipped with one deck bed course 3, the area of bed course 3 is greater than 1 top surface area of plate body, makes bed course 3 can cover the junction between adjacent plate body 1, 1 bottom of plate body is equipped with body 2. Plate body 1 wherein all is equipped with first connecting piece and second connecting piece on two adjacent sides, all be equipped with first spread groove and second spread groove on 1 other two adjacent sides of plate body, make first connecting piece and first spread groove and second connecting piece are located plate body 1 relative both sides face with the second spread groove, and first connecting piece realizes being connected with the cooperation of first spread groove, and the second connecting piece realizes being connected with the cooperation of second spread groove. The first connecting piece is positioned above the second connecting piece, and correspondingly, the first connecting groove is positioned above the second connecting groove.
The first connecting piece comprises grooves 4 arranged on the side wall of the plate body 1, the grooves 4 are horizontally arranged, and the grooves 4 are arranged along the length direction of the side wall of the plate body 1.
The rotation is equipped with the first arm-tie 5 that the level was arranged in 4 recesses, the rotation end of first arm-tie 5 is located 1 lateral wall length direction's of plate body centre, 5 tip of first arm-tie are equipped with two second arm-ties 6 that the level was arranged, the tip of second arm-tie 6 rotates with the tip of first arm-tie 5 to be connected, in the rotatable income recess 4 of first arm-tie 5 and second arm-tie 6.
The end part of the second pulling plate 6, far away from the first pulling plate 5, is provided with a sliding rod 7 in a sliding manner, and the sliding rod 7 can slide along the length direction of the second pulling plate 6.
The slide bar 7 is an L-shaped bar, and includes a vertical portion and a horizontal portion that are perpendicular to each other, the second pulling plate 6 is extended from the top end of the vertical portion, and the top end of the vertical portion is not higher than the top surface height of the plate body 1, and the horizontal portion is extended or retracted into the second pulling plate 6 by pushing the vertical portion, and in this process, the vertical portion slides in a groove that is correspondingly provided on the second pulling plate 6.
Be equipped with the spring telescopic link 8 of arranging along slide bar 7 slip direction in the second arm- tie 6, 8 one end of spring telescopic link are fixed in second arm-tie 6, and the other end is connected with slide bar 7 under the effect of 8 elastic force of spring telescopic link, make the horizontal part of slide bar 7 stretch out the second arm-tie 6 outsidely.
The corresponding position in 4 tops of recess is equipped with slide bar 7 complex holding tank 15, holding tank 15 is located and is kept away from first arm-tie 5 and rotate on the recess 4 tip of end, holding tank 15 corresponds to the pitch arc groove, and when first arm-tie 5 and second arm-tie 6 rotated and slided in recess 4, the vertical portion of slide bar 7 slided in holding tank 15.
The first connecting groove comprises an inner groove 9 formed in the side wall of the plate body 1, the inner groove 9 is formed in the plate body 1, the height of the inner groove 9 corresponds to that of the first pulling plate 5 and the second pulling plate 6, so that the first pulling plate 5 and the second pulling plate 6 can be inserted into the inner groove 9, and the inner groove 9 extends from the middle of the side wall of the plate body 1 in the length direction to the middle of the plate body 1.
The inner groove 9 is horizontally arranged, two quarter-circle-shaped expanded grooves 16 are arranged at the inner end part of the inner groove 9, the radius of each expanded groove 16 is not smaller than the rotating radius of the second pulling plate 6, the radius of each expanded groove 16 is smaller than the length of the second pulling plate 6 when the horizontal part of the sliding rod 7 completely extends out, and the two expanded grooves 16 respectively accommodate the two second pulling plates 6 to rotate. A clamping groove 17 matched with the horizontal part of the sliding rod 7 is arranged on the inner wall of the end part of the expanded groove 16, and after the second pulling plate 6 rotates ninety degrees in the expanded groove 16, the sliding rod 7 at the end part of the second pulling plate 6 can slide into the clamping groove 17.
The first connecting groove further comprises an outer groove 14, the outer groove 14 is arranged on the top surface of the plate body 1 at the upper parts of the inner groove 9, the expanding groove 16 and the clamping groove 17, the outer groove 14 penetrates through the plate body and is communicated with the outer groove 14, the outer groove 14 is used for accommodating a vertical part of the sliding rod 7, the sliding rod 7 slides in the outer groove 14 when the second pulling plate 6 enters the inner groove 9 and rotates in the expanding groove 16 to enable the sliding rod 7 to slide into the clamping groove 17. The outer groove 14 on the upper portion of the inner groove 9 is linear, so that when the first pulling plate 5 and the second pulling plate 6 slide into the inner groove 9, the vertical portion of the sliding rod 7 slides linearly, the outer groove 14 on the upper portion of the expanded groove 16 is correspondingly arc-shaped, when the second pulling plate 6 rotates in the expanded groove 16, the horizontal portion of the sliding rod 7 is in a state of retracting the second pulling plate 6, the outer groove 14 on the upper portion of the clamping groove 17 is correspondingly linear, and when the horizontal portion of the sliding rod 7 slides into the clamping groove 17, the vertical portion of the sliding rod 7 slides linearly correspondingly.
The second connecting piece is including locating inserted bar 12 on the plate body 1 lateral wall, 4 below recesses are located to inserted bar 12, inserted bar 12 level sets up, inserted bar 12 perpendicular to its place plate body 1 lateral wall, be equipped with mutually supporting threaded rod and thread groove on 12 tip of inserted bar and the plate body 1 lateral wall respectively, make inserted bar 12 and plate body 1 lateral wall threaded connection.
The inserted bar 12 is round platform shape, and its tip of being connected with plate body 1 lateral wall is great end, be equipped with a plurality of first bulge loops 13 on the outer wall of inserted bar 12, first bulge loop 13 is the ring with the coaxial setting of inserted bar 12, and is a plurality of first bulge loop 13 is equidistant setting on the axial direction of inserted bar 12, the outer wall of first bulge loop 13 is outside convex arc. The outer walls of the inserted link 12 and the first convex ring 13 are provided with a layer of water-swelling rubber.
The second connecting groove comprises a slot 10 arranged on the side wall of the plate body 1, the slot 10 is arranged below the inner groove 9, the shape and the position of the slot 10 correspond to the inserting rod 12, the slot is also in a circular truncated cone shape, a plurality of second convex rings 11 matched with the first convex rings 13 are arranged on the inner wall of the slot 10, the second convex rings 11 are arranged along the inner wall of the slot 10 and are coaxial with the inner wall of the slot 10, the second convex rings 11 are arranged at equal intervals in the axial direction of the slot 10, and the inner walls of the second convex rings 11 are in an inward protruding arc shape. After the inserted bar 12 is inserted into the slot 10, the outer wall of the first convex ring 13 is positioned between the inner walls of the two adjacent second convex rings 11, when water enters the slot 10, the water-absorbing expansion rubber after absorbing water expands, so that the water-absorbing expansion rubber is clamped between the second convex rings 11, and the connection between the inserted bar 12 and the slot 10 is realized.
The second connecting piece and the second connecting groove mainly ensure that the adjacent plate bodies 1 are stably connected in the vertical direction, and the purpose can be realized as long as the water absorption expansion rubber absorbs water to reduce or offset the gap between the inserted rod 12 and the slot 10. The water-swelling rubber is clamped between the second convex rings 11, and the friction between the water-swelling rubber and the slot 10 can assist in improving the connection stability between the two plate bodies 1.
According to the operation requirement, a corresponding number of plate bodies 1 are selected to build the reconnaissance device, and the plate bodies 1 are not arranged at the positions where equipment needs to be built, so that a space is reserved. The first connecting piece and the second connecting piece of the plate body 1 are inserted into the first connecting groove and the second connecting groove of the adjacent plate body 1, the plurality of plate bodies 1 are pulled and pulled in a matrix and stably connected in a similar building block splicing mode, the cushion layer 3 is laid on the plate body 1 and used for covering the connecting part between the plate bodies 1, the outer groove 14 and the like, the inserting rod 12 of the boundary plate body 1 can be removed according to the field condition, and the first pulling plate 5 and the second pulling plate 6 of the boundary plate body 1 can be slid into the groove 4. During disassembly, the device is supported away from the water surface, water on the inserted link 12 flows out and is dried, the water-absorbing expansion rubber shrinks, the sliding rod 7 is shifted inwards through the outer groove 14, the sliding rod 7 retracts into the second pulling plate 6, the second pulling plate 6 is rotated to be in the same straight line with the first pulling plate 5, and the plate body 1 is disassembled.
The invention has low manufacturing cost and use cost, is convenient to transport, can transport a plurality of plate bodies 1 by a small transport tool especially in lakes and rivers which are difficult to reach by ships or large vehicles, has convenient connection operation among the plate bodies 1, high installation and disassembly efficiency and stable connection, can extend the water-swelling rubber to enhance the stability among the plate bodies 1 in an environment with rapid water flow, and further ensures that the exploration device has stable structure and improved integrity.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, and should be considered to fall within the protection scope of the patent claims of the present invention.

Claims (8)

1. Reconnaissance device, its characterized in that includes:
a plurality of survey assemblies in a matrix arrangement, the survey assemblies comprising:
a plate body having a rectangular parallelepiped shape;
the floating body is arranged at the bottom of the plate body;
the two first connecting pieces are respectively arranged on two adjacent side walls of the plate body;
the two first connecting grooves are respectively arranged on the other two adjacent side walls of the plate body;
two second connecting members respectively provided on the plate sides below the two first connecting members
On the wall;
two second connecting grooves respectively provided on the plate sides below the two first connecting grooves
On the wall;
the first connecting piece and the second connecting piece of the exploration assembly are inserted into a first connecting groove and a second connecting groove of the exploration assembly adjacent to the first connecting piece and the second connecting groove, the first connecting piece comprises a first pull plate arranged on the side wall of the plate body, a second pull plate is arranged on the first pull plate in a rotating mode, the end portion of the second pull plate is provided with a slide rod capable of sliding along the length direction of the second pull plate, the slide rod is an L-shaped rod, the first connecting groove comprises an inner groove, the end portion of the inner groove is provided with an expanding groove for the second pull plate to rotate, a clamping groove matched with the slide rod is formed in the inner wall of the expanding groove, an outer groove for the slide rod to slide is formed in the top surface of the upper portion of the inner groove, the second connecting piece comprises an inserting rod arranged on the side wall of the plate body, a plurality of first convex rings are arranged on the outer wall of the inserting rod, a layer of water-absorbing expansion rubber is arranged on the outer walls of the inserting rod and the first convex rings, the second connecting groove comprises a plurality of second convex rings matched with the inserting rod arranged on the inner wall of the plate body, the vertical portion of the inserting groove is not higher than the top end of the vertical portion of the pull plate, and the horizontal portion is not higher than the top end of the vertical portion of the pull plate.
2. The surveying instrument according to claim 1, wherein said first connecting member further comprises a recess formed in a side wall of said plate body, said first pulling plate is rotatably disposed in said recess, said first pulling plate and said second pulling plate are rotatably received in said recess, and a receiving groove for engaging with said slide bar is formed in a position corresponding to a top of said recess.
3. The surveying instrument according to claim 1, wherein a spring extension rod is provided in the second pulling plate and arranged along the sliding direction of the sliding rod, one end of the spring extension rod is fixed in the second pulling plate, and the other end is connected to the horizontal portion of the sliding rod.
4. The surveying instrument according to claim 1, wherein said slot is a circular arc shaped slot, a radius of said slot is not less than a radius of rotation of the second pulling plate, and a radius of said slot is less than a length of the second pulling plate when the slide bar is fully extended.
5. The surveying instrument according to claim 1, wherein said insertion rod is of a truncated cone shape, the end portion thereof connected to the side wall of the plate body being a larger end, and said insertion slot is of a corresponding truncated cone shape to be fitted thereto.
6. The surveying instrument according to claim 5, wherein said first collars are circular rings provided coaxially with the inserting rods, a plurality of said first collars are provided at equal intervals in the axial direction of the inserting rods, and outer walls of said first collars are arc-shaped to be convex outward.
7. The surveying instrument according to claim 6, wherein said second collars are coaxially arranged along an inner wall of the slot, said second collars being arranged at equal intervals in an axial direction of the slot, said inner wall of said second collars having an inwardly convex arc shape, and said first collar being located between two second collars adjacent to said first collar when said inserting rod is inserted into the slot.
8. The surveying instrument according to claim 1, wherein the ends of the rods and the side walls of the plate body are provided with threaded rods and grooves, respectively, which are engaged with each other, so that the rods are threadedly coupled to the side walls of the plate body.
CN202110286319.5A 2021-03-17 2021-03-17 Reconnaissance subassembly and reconnaissance device Active CN113123314B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110286319.5A CN113123314B (en) 2021-03-17 2021-03-17 Reconnaissance subassembly and reconnaissance device

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Application Number Priority Date Filing Date Title
CN202110286319.5A CN113123314B (en) 2021-03-17 2021-03-17 Reconnaissance subassembly and reconnaissance device

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CN113123314B true CN113123314B (en) 2022-12-09

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Publication number Priority date Publication date Assignee Title
CN107345384B (en) * 2016-05-07 2024-05-03 沈阳汇智云创科技有限公司 Multipurpose steel box girder plate
CN210238542U (en) * 2019-06-25 2020-04-03 淮安市水利勘测设计研究院有限公司 Pin-connected panel concrete bank protection device
CN110748075B (en) * 2019-10-14 2021-07-09 吉林建筑大学 Composite internal partition board for fabricated building and preparation method thereof
CN211058114U (en) * 2019-10-27 2020-07-21 江苏中营仝建装配建筑科技有限公司 Prefabricated coincide floor
CN211312902U (en) * 2019-11-12 2020-08-21 浙江金华展超建设股份有限公司 Heat insulation board
JP3227037U (en) * 2020-05-11 2020-07-30 清隆 三好 Connection structure of plumbing wall in smoke-proof plumbing wall

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