CN114215831A - Municipal works topography survey and drawing sighting rod - Google Patents
Municipal works topography survey and drawing sighting rod Download PDFInfo
- Publication number
- CN114215831A CN114215831A CN202111522141.6A CN202111522141A CN114215831A CN 114215831 A CN114215831 A CN 114215831A CN 202111522141 A CN202111522141 A CN 202111522141A CN 114215831 A CN114215831 A CN 114215831A
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- connecting rod
- groove
- sliding block
- block
- surveying
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- 238000012876 topography Methods 0.000 title claims description 4
- 238000013507 mapping Methods 0.000 claims abstract description 33
- 230000005389 magnetism Effects 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000003550 marker Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
- F16B7/182—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements for coaxial connections of two rods or tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/83—Use of a magnetic material
Abstract
The invention discloses a surveying and mapping marker post for surveying and mapping municipal engineering terrain, which comprises an upper connecting rod, a lower connecting rod and a fixed sleeve, wherein the upper connecting rod is magnetically connected with the lower connecting rod, the fixed sleeve is sleeved at the joint of the upper connecting rod and the lower connecting rod, an upper chute is formed in the outer side wall of the bottom of the upper connecting rod, a lower chute corresponding to the upper chute is formed in the outer side wall of the top of the lower connecting rod, an upper sliding block and a lower sliding block are arranged on the inner side wall of the fixed sleeve, the lower sliding block is positioned below the upper sliding block and matched with the upper chute, the lower sliding block is matched with the lower chute, an upper rotating chute is formed in the inner side wall of the upper chute along the circumferential direction, and a lower rotating chute is formed in the inner side wall of the lower chute along the circumferential direction. The invention has the beneficial effects that: through the magnetism connection, realized the quick pre-assembling of last connecting rod and lower connecting rod to make through fixed cover go up connecting rod and lower connecting rod can not drop, and under fixed cover elastic connection's the effect, guaranteed the steadiness of fixed cover, whole survey and drawing sighting rod easy dismounting, use the reliability height.
Description
Technical Field
The invention relates to the assembly of a surveying and mapping marker post, in particular to a surveying and mapping marker post for topographic surveying and mapping of municipal engineering.
Background
The municipal engineering topographic mapping refers to mapping work performed for planning design, construction, operation management and the like of urban construction, and comprises urban control measurement, leveling measurement and aerial photogrammetry work performed for establishing an urban plane and elevation control network, measuring and controlling a large-scale topographic map required by urban planning and urban construction, compiling various special maps, construction lofting of municipal engineering, deformation observation of important buildings and the like.
Survey and drawing sighting rod among the prior art is very long, and for the convenience of carrying the segmentation design, it passes through the spiral shell head and connects, needs multisection wrench movement installation when the installation, need use many sighting rods during survey and drawing, and its installation is slower, and it is inconvenient to use, and threaded connection still has the risk of smooth silk moreover after long-term the use, leads to the sighting rod to damage.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a surveying and mapping marker post for topographic surveying and mapping of municipal engineering.
The purpose of the invention is realized by the following technical scheme: the utility model provides a municipal works topography mapping is with survey and drawing sighting rod, includes connecting rod, lower connecting rod and fixed cover, goes up connecting rod and lower connecting rod magnetism and connects, and fixed cover suit is in the junction of going up connecting rod and lower connecting rod.
It is optional, the last spout has been seted up on the bottom lateral wall of last connecting rod, set up the lower spout that corresponds with the last spout on the top lateral wall of lower connecting rod, be provided with top shoe and lower slider on the inside wall of fixed cover, the lower slider is located the below of top shoe, and top shoe and last spout match, the lower slider matches with the lower spout, upward the groove of spiraling has been seted up along circumference on the inside wall of last spout, the groove of spiraling down has been seted up along circumference on the inside wall of lower spout, the direction of rotation of going up groove and lower spout is unanimous, through rotatory fixed cover, make the top shoe block go into in the groove of spiraling and the lower spout of gliding piece slide into down in the groove of spiraling.
Optionally, the top side wall of the lower rotary groove is provided with a rotation stopping groove, and the lower sliding block is provided with a rotation stopping part clamped into the rotation stopping groove.
Optionally, the top of the upper chute is provided with an elastic connecting piece, and the bottom of the elastic connecting piece is connected with the upper sliding block.
Optionally, the elastic connecting piece comprises a first clamping block, a flexible elastic piece and a second clamping block, the first clamping block and the second clamping block are connected through the flexible elastic piece, a second clamping groove is formed in the outer side wall of the bottom of the upper connecting rod and communicated with the upper sliding groove, the second clamping block is clamped in the second clamping groove, a first clamping groove is formed in the upper sliding block, and the first clamping block is clamped in the first clamping groove.
Optionally, the second clamping groove is a T-shaped clamping groove, the first clamping groove is a through groove, the second clamping block is a T-shaped clamping block matched with the T-shaped clamping groove, the first clamping block is an inverted T-shaped clamping block, the vertical block of the first clamping block is clamped in the first clamping groove, and the second clamping block is clamped into the upper spiral groove along with the upper clamping block. Optionally, the elastic connecting piece is an elastic belt, and a settling step is formed at one end, close to the upper spiral groove, of the top of the upper sliding block.
Optionally, the bottom of the upper connecting rod is provided with a magnetic convex part, the top of the lower connecting rod is provided with a magnetic concave part matched with the magnetic convex part, and the magnetic convex part and the magnetic concave part are magnetically connected.
Optionally, the surface of the magnetic convex part is coated with a magnetic coating, and the surface of the magnetic concave part is also coated with a magnetic coating.
Optionally, a positioning protrusion is disposed at the bottom of the magnetic convex portion, and a positioning groove matched with the positioning protrusion is disposed at the bottom of the magnetic concave portion.
Compared with the prior art, the invention has the following advantages: the surveying and mapping marker post for municipal engineering terrain surveying and mapping realizes the quick pre-assembly of the upper connecting rod and the lower connecting rod through the magnetic connection, the upper connecting rod and the lower connecting rod can not fall off through the fixed sleeve, the stability of the fixed sleeve is ensured under the action of the elastic connecting piece of the fixed sleeve, and the whole surveying and mapping marker post is convenient to disassemble and assemble and high in use reliability.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the upper link.
Fig. 3 is a schematic structural view of the upper rotary tank.
Fig. 4 is a schematic structural view of the fixing sleeve.
Fig. 5 is an enlarged schematic view of a portion a of fig. 1.
Fig. 6 is a schematic structural view of the elastic connecting member.
In the figure, 1-upper connecting rod, 2-lower connecting rod, 3-fixing sleeve, 4-elastic connecting piece, 6-upper sliding groove, 7-upper rotating groove, 8-magnetic convex part, 9-positioning convex block, 10-magnetic concave part, 11-positioning groove, 12-lower sliding groove, 13-lower rotating groove, 14-rotation stopping groove, 31-upper sliding block, 32-lower sliding block, 33-first clamping groove, 34-rotation stopping part, 35-second clamping groove, 36-settling step, 41-first clamping block, 42-second clamping block, 43-flexible elastic piece and 44-stepped screw hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a surveying and mapping marker post for municipal engineering topographic mapping comprises an upper connecting rod 1, a lower connecting rod 2 and a fixing sleeve 3, wherein the upper connecting rod 1 is magnetically connected with the lower connecting rod 2, and the fixing sleeve 3 is sleeved at the connection part of the upper connecting rod 1 and the lower connecting rod 2, in the embodiment, a magnetic convex part 8 is arranged at the bottom of the upper connecting rod 1, a magnetic concave part 10 matched with the magnetic convex part 8 is arranged at the top of the lower connecting rod 2, the magnetic convex part 8 is magnetically connected with the magnetic concave part 10, preferably, a magnetic coating is coated on the surface of the magnetic convex part 8, a magnetic coating is also coated on the surface of the magnetic concave part 10, preferably, the edge of the magnetic convex part 8 is an arc-shaped edge, an arc-shaped structure corresponding to the arc-shaped edge is arranged on the magnetic concave part 10, when the upper connecting rod 1 and the lower connecting rod 2 collide under the magnetic action, the edge of the magnetic convex part 8 and the magnetic concave part 10 cannot be damaged, and through the magnetic connection of magnetism concave part 10 and magnetism convex part 8, can realize the quick preinstallation of upper link 1 and lower link 2, furtherly, in order to further guarantee the steadiness after upper link 1 and lower link 2 are connected, be provided with positioning lug 9 in the bottom of magnetism convex part 8, the bottom of magnetism concave part 10 is provided with positioning groove 11 that positioning lug 9 matches, through positioning lug 9 and positioning groove 11's cooperation, can guarantee the preassembling precision of upper link 1 and lower link 2, also can avoid magnetism convex part 8 roll-off magnetism concave part 10 simultaneously, avoid upper link 1 and lower link 2 to rotate relatively in the circumferential direction, thereby increase the structural strength of upper link 1 and lower link 2 preassembling, provide the basis for the descending of subsequent fixed cover 3.
In this embodiment, as shown in fig. 2 and 3, an upper sliding groove 6 is formed on the bottom outer side wall of the upper connecting rod 1, a lower sliding groove 12 corresponding to the upper sliding groove 6 is formed on the top outer side wall of the lower connecting rod 2, when the upper connecting rod 1 and the lower connecting rod 2 are pre-assembled, the upper sliding groove 6 and the lower sliding groove 12 are aligned to form a sliding channel, as shown in fig. 4, an upper sliding block 31 and a lower sliding block 32 are arranged on the inner side wall of the fixing sleeve 3, the lower sliding block 32 is located below the upper sliding block 31, the upper sliding block 31 is matched with the upper sliding groove 6, the lower sliding block 32 is matched with the lower sliding groove 12, the upper sliding block 31 and the lower sliding block 32 slide in the sliding channel, so that the fixing sleeve 3 can only move along the sliding channel, further, an upper sliding groove 7 is formed on the inner side wall of the upper sliding groove 6 along the circumferential direction, a lower sliding groove 13 is formed on the inner side wall of the lower sliding groove 12 along the circumferential direction, the upper sliding groove 7 is consistent with the lower sliding groove 13 in the rotational direction, through rotatory fixed cover 3, make the top shoe 31 block go up in the groove 7 of spiraling and the lower slider 32 slips into down and revolve the inslot 13, during the installation, after last connecting rod 1 and lower connecting rod 2 are assembled in advance, then slide fixed cover 3 down connecting rod 2, when the top shoe 31 is located spiral groove 7 department, then fixed cover 3 of circumferential rotation, make the top shoe 31 block go up in the groove 7 of spiraling and the lower slider 32 slips into down and revolve the inslot 13, joint through last groove 7 and top shoe 31, thereby make top connecting rod 1 and lower connecting rod 2 also can not separate after receiving the circumference pulling force.
In this embodiment, as shown in fig. 1 and 5, the side wall of the top of the lower rotary groove 13 is provided with a rotation stopping groove 14, the lower sliding block 32 is provided with a rotation stopping part 34 clamped in the rotation stopping groove 14, the top of the upper sliding groove 6 is provided with an elastic connecting part 4, the bottom of the elastic connecting part 4 is connected with the upper sliding block 31, and due to the rotation stopping part 34, a space for the rotation of the rotation stopping part 34 is reserved on the lower rotary groove 13, and certainly, after the upper sliding block 31 enters the upper rotary groove 7, the upper sliding block 31 and the upper rotary groove 7 have a gap, preferably, after the lower sliding block 32 contacts the bottom of the lower sliding groove 12, the fixed sleeve 3 can be rotated, so as to increase the hand feeling of an operator, that is, after the operator only needs to apply a pushing force to the fixed sleeve 3, and after the lower sliding block 32 contacts the lower sliding groove 12, the fixed sleeve 3 is rotated, so that the upper sliding block 31 can enter the upper sliding groove 7, the lower slide block 32 enters the lower rotary groove 13, in this embodiment, the elastic connection element 4 is a flexible connection element, preferably, the elastic connection element 4 is an elastic belt, one end of the top of the upper slide block 31, which is close to the upper rotary groove 7, is provided with a settling step 36, the settling step 36 reserves a space for bending the elastic belt, so as to facilitate bending of the elastic belt, the elastic belt is stretched during downward movement of the fixing sleeve 3, so as to generate elastic restoring force, and has pulling force on the fixing sleeve 3, therefore, after the rotation stopping portion 34 enters the rotation stopping groove 14, the rotation stopping portion 34 is always clamped in the rotation stopping groove 14 under the pulling force of the elastic belt, so as to ensure the fixing performance of the fixing sleeve 3, ensure the stability of connection between the upper connecting rod 1 and the lower connecting rod 2, and at the same time, the upper connecting rod 1 and the lower connecting rod 2 only need to apply a downward pushing force on the fixing sleeve 3, and the rotation stopping portion 34 is separated from the rotation stopping groove 14, at this time, because the elastic band is deflected, the tension of the elastic band not only enables the fixing sleeve 3 to have a tendency of moving towards the upper connecting rod 1, but also enables the lower sliding block 32 on the fixing sleeve 3 to have a tendency of entering the lower sliding groove 12, so that the upper sliding block 31 and the lower sliding block 32 on the fixing sleeve 3 can easily enter the sliding channel, and under the action of the elastic band, the fixing sleeve 3 enters the upper connecting rod 1 and enables the lower sliding block 32 to be separated from the lower sliding groove 12, so that the upper connecting rod 1 and the lower connecting rod 2 have a separation condition, and then only axial tension needs to be applied to the upper connecting rod 1 or/and the lower connecting rod 2, so that the upper connecting rod 1 and the lower connecting rod 2 can be separated, and the upper connecting rod 1 and the lower connecting rod 2 are convenient to disassemble and reliable to connect.
In this embodiment, as shown in fig. 6, the elastic connecting member 4 includes a first fastening block 41, a flexible elastic member 43 and a second fastening block 42, the first fastening block 41 and the second fastening block 42 are connected by the flexible elastic member 43, a second fastening groove 35 is formed on the bottom outer side wall of the upper connecting rod 1, the second fastening groove 35 is communicated with the upper sliding groove 6, the second fastening block 42 is fastened in the second fastening groove 35, the upper sliding block 31 is formed with a first fastening groove 33, the first fastening block 41 is fastened in the first fastening groove 33, preferably, the second fastening groove 35 is a T-shaped fastening groove, the first fastening groove 33 is a through groove, the second fastening block 42 is a T-shaped fastening block matching with the T-shaped fastening groove, the first fastening block 41 is an inverted T-shaped fastening block, a vertical block of the first fastening block 41 is fastened in the first fastening groove 33, and the second fastening block 42 is fastened in the upper sliding block 31 and the upper sliding groove 7, further, the second fastening block 42 and the second fastening block 35 are tightly fastened, and the vertical block is tightly fastened to the first fastening groove 33, therefore, the second fixture block 42 is not easy to fall off after being installed, and the first fixture block 41 is clamped in the cavity between the inner side wall of the fixing sleeve 3 and the upper chute 6, so that the falling off of the first fixture block 41 is not considered in the using process, in the embodiment, the first fixture block 41 and the second fixture block 42 are both made of plastic materials, and two ends of the elastic belt can be respectively and plastically packaged in the first fixture block 41 and the second fixture block 42, so that the elastic connecting piece 4 forms a whole, when in installation, the vertical block of the first fixture block 41 is firstly clamped in the first clamping groove 33, and then the second fixture block 42 is clamped in the second clamping groove 35, so that the installation of the elastic connecting piece 4 can be realized, because the vertical block and the first clamping groove 33 are tightly matched and clamped, and part of the fixing sleeve 3 is sleeved on the upper connecting rod 1, the fixing sleeve 3 cannot fall off from the upper connecting rod 1 in a natural state, and the disassembly of the second fixture block 42 is convenient, step screw hole 44 has been seted up at the intersection of the horizontal piece of second fixture block 42 and riser, step screw hole 44 female thread fit has the screw, the head of screw is located the macropore of step screw hole 44, and the head of screw has certain distance with the step face of step screw hole 44, and the screw then supports the bottom at second draw-in groove 35, when second fixture block 42 is dismantled to needs, only need twist the screw, the screw is rotatory in step screw hole 44, thereby make second fixture block 42 ejecting by the screw, thereby second fixture block 42 takes out comparatively conveniently, of course for guaranteeing elastic connection 4's commonality, ladder screw hole 44 has also been seted up at the intersection of the riser of first fixture block 41 and horizontal piece.
The assembly process of the invention is as follows: the upper connecting rod 1 is magnetically connected with the lower connecting rod 2, at the moment, the positioning lug 9 enters the positioning groove 11, so that the upper connecting rod 1 and the lower connecting rod 2 cannot rotate, the preassembly of the upper connecting rod 1 and the lower connecting rod 2 is completed, then, an operator only needs to slide the fixing sleeve 3 towards the lower connecting rod 2, the flexible elastic piece 43 is stretched, the flexible elastic piece 43 generates elastic restoring force, after the lower sliding block 32 slides to the bottom of the lower sliding groove 12, the operator can know that the fixing sleeve 3 slides to a specified position by hand feeling, then the operator rotates the fixing sleeve 3, the lower sliding block 32 enters the lower rotating groove 13, the upper sliding block 31 enters the upper rotating groove 7, the flexible elastic piece 43 bends, the bent part enters the settling step 36, when the lower sliding block 32 abuts against the side wall of the lower rotating groove 13, the operator shifts the fixing sleeve towards the upper connecting rod 1, let the portion of splining 34 enter into the groove 14 of splining, let open fixed cover 3, fixed cover 3 makes the portion of splining 34 card at the groove 14 of splining all the time under the effect of flexible elastic component 43, thereby the stability of the connection of last connecting rod 1 and lower connecting rod 2 has been guaranteed, during the dismantlement, only need down the connecting rod 2 slip with fixed cover 3, make the portion of splining 34 withdraw from the groove 14 of splining, because the existence of the elastic restoring force of flexible elastic component 43, only need light rotatory fixed cover 3, just can make fixed cover 3 reset, then just can dismantle last connecting rod 1 and lower connecting rod 2.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a municipal works topography survey and drawing sighting rod, its characterized in that: including last connecting rod (1), lower connecting rod (2) and fixed cover (3), go up connecting rod (1) with lower connecting rod (2) magnetism is connected, just fixed cover (3) suit is in go up connecting rod (1) with the junction of lower connecting rod (2).
2. The surveying and mapping post for municipal engineering topographic mapping according to claim 1, characterized in that: an upper sliding groove (6) is arranged on the outer side wall of the bottom of the upper connecting rod (1), a lower sliding groove (12) corresponding to the upper sliding groove (6) is arranged on the outer side wall of the top of the lower connecting rod (2), an upper sliding block (31) and a lower sliding block (32) are arranged on the inner side wall of the fixed sleeve (3), the lower sliding block (32) is positioned below the upper sliding block (31), the upper sliding block (31) is matched with the upper chute (6), the lower sliding block (32) is matched with the lower chute (12), an upper rotary groove (7) is arranged on the inner side wall of the upper sliding groove (6) along the circumferential direction, a lower rotary groove (13) is arranged on the inner side wall of the lower sliding groove (12) along the circumferential direction, the rotating directions of the upper rotary groove (7) and the lower rotary groove (13) are consistent, by rotating the fixed sleeve (3), the upper sliding block (31) is clamped in the upper rotary groove (7) and the lower sliding block (32) slides in the lower rotary groove (13).
3. The surveying and mapping post for municipal engineering topographic mapping according to claim 2, wherein: the top side wall of the lower rotary groove (13) is provided with a rotation stopping groove (14), and the lower sliding block (32) is provided with a rotation stopping part clamped in the rotation stopping groove (14).
4. The surveying and mapping post for municipal engineering topographic mapping according to claim 3, wherein: the top of going up spout (6) is provided with elastic connecting piece (4), the bottom of elastic connecting piece (4) with go up slider (31) and be connected.
5. The surveying and mapping post for municipal engineering topographic mapping according to claim 4, wherein: the elastic connecting piece (4) comprises a first clamping block (41), a flexible elastic piece (43) and a second clamping block (42), the first clamping block (41) and the second clamping block (42) are connected through the flexible elastic piece (43), a second clamping groove (35) is formed in the outer side wall of the bottom of the upper connecting rod (1), the second clamping groove (35) is communicated with the upper sliding groove (6), the second clamping block (42) is clamped in the second clamping groove (35), a first clamping groove (33) is formed in the upper sliding block (31), and the first clamping block (41) is clamped in the first clamping groove (33).
6. The surveying and mapping post for municipal engineering topographic mapping according to claim 5, wherein: the second clamping groove (35) is a T-shaped clamping groove, the first clamping groove (33) is a through groove, the second clamping block (42) is a T-shaped clamping block matched with the T-shaped clamping groove, the first clamping block (41) is an inverted T-shaped clamping block, a vertical block of the first clamping block (41) is clamped in the first clamping groove (33), and the second clamping block (42) is clamped in the upward rotary groove (7) along with the upper sliding block (31).
7. The surveying and mapping post for municipal engineering topographic mapping according to claim 6, wherein: the elastic connecting piece (4) is an elastic belt, and a settling step is formed in one end, close to the upper spiral groove (7), of the top of the upper sliding block (31).
8. The surveying and mapping post for municipal engineering topographic surveying and mapping according to any one of claims 1 to 7, characterized in that: the bottom of the upper connecting rod (1) is provided with a magnetic convex part (8), the top of the lower connecting rod (2) is provided with a magnetic concave part (10) matched with the magnetic convex part (8), and the magnetic convex part (8) is magnetically connected with the magnetic concave part (10).
9. The surveying and mapping post for municipal engineering topographic mapping according to claim 8, wherein: the surface of the magnetic convex part (8) is coated with a magnetic coating, and the surface of the magnetic concave part (10) is also coated with a magnetic coating.
10. The surveying and mapping post for municipal engineering topographic mapping according to claim 9, wherein: the bottom of the magnetic convex part (8) is provided with a positioning lug (9), and the bottom of the magnetic concave part is provided with a positioning groove (11) matched with the positioning lug (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111522141.6A CN114215831B (en) | 2021-12-14 | 2021-12-14 | Municipal works topography survey and drawing is with survey and drawing mark post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111522141.6A CN114215831B (en) | 2021-12-14 | 2021-12-14 | Municipal works topography survey and drawing is with survey and drawing mark post |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114215831A true CN114215831A (en) | 2022-03-22 |
| CN114215831B CN114215831B (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111522141.6A Active CN114215831B (en) | 2021-12-14 | 2021-12-14 | Municipal works topography survey and drawing is with survey and drawing mark post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114215831B (en) |
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| CN110332191A (en) * | 2019-07-08 | 2019-10-15 | 衢州益高户外用品有限公司 | A kind of screw telescopic rod |
| KR20200004522A (en) * | 2018-07-04 | 2020-01-14 | 이영일 | Flange for piping |
| CN211924662U (en) * | 2020-03-20 | 2020-11-13 | 宁波艾拉芙日用品有限公司 | Magnetic connecting structure and cleaning tool with same |
| CN212137813U (en) * | 2020-04-27 | 2020-12-11 | 国家电网有限公司直流建设分公司 | Monitoring device suitable for extra-high voltage engineering field management |
| CN212479813U (en) * | 2020-03-22 | 2021-02-05 | 中正云霄建工集团有限公司 | Building circular steel pipe connecting device |
| KR20210026377A (en) * | 2019-08-30 | 2021-03-10 | 우영환 | Pole coupling structure of pruning saw |
| CN213511558U (en) * | 2020-06-10 | 2021-06-22 | 淮安市明星工具制造有限公司 | Telescopic magnetic connecting rod convenient to assemble and disassemble |
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| CN207064412U (en) * | 2017-03-29 | 2018-03-02 | 覃平 | Telescopic rod |
| CN206874609U (en) * | 2017-05-12 | 2018-01-12 | 宁波伊司达洁具有限公司 | A kind of outer lock construction of expansion link |
| KR20200004522A (en) * | 2018-07-04 | 2020-01-14 | 이영일 | Flange for piping |
| CN110332191A (en) * | 2019-07-08 | 2019-10-15 | 衢州益高户外用品有限公司 | A kind of screw telescopic rod |
| KR20210026377A (en) * | 2019-08-30 | 2021-03-10 | 우영환 | Pole coupling structure of pruning saw |
| CN211924662U (en) * | 2020-03-20 | 2020-11-13 | 宁波艾拉芙日用品有限公司 | Magnetic connecting structure and cleaning tool with same |
| CN212479813U (en) * | 2020-03-22 | 2021-02-05 | 中正云霄建工集团有限公司 | Building circular steel pipe connecting device |
| CN212137813U (en) * | 2020-04-27 | 2020-12-11 | 国家电网有限公司直流建设分公司 | Monitoring device suitable for extra-high voltage engineering field management |
| CN213511558U (en) * | 2020-06-10 | 2021-06-22 | 淮安市明星工具制造有限公司 | Telescopic magnetic connecting rod convenient to assemble and disassemble |
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| CN114215831B (en) | 2024-02-20 |
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