CN210464487U - Measure centering rod - Google Patents
Measure centering rod Download PDFInfo
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- CN210464487U CN210464487U CN201921583431.XU CN201921583431U CN210464487U CN 210464487 U CN210464487 U CN 210464487U CN 201921583431 U CN201921583431 U CN 201921583431U CN 210464487 U CN210464487 U CN 210464487U
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- centering rod
- end plate
- rotary table
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Abstract
The utility model provides a measure centering rod, this centering rod includes: the centering rod comprises a sleeve, wherein an inserting channel of a centering rod body is arranged on the sleeve along the axis of the sleeve, and at least three rotary structures capable of horizontally rotating around the inserting channel are arranged in an inner cavity of the sleeve along the axial direction of the sleeve; wherein, revolution mechanic includes: the rotary table is sleeved on the outer side of the inserting channel, connecting arms radially extending out of the sleeve are arranged on the circumferential surface of the rotary table, supporting frames capable of adjusting the extending length and the supporting angle are connected to the connecting arms, and a locking structure of the rotary table rotating position is arranged on the connecting arms. The multi-point supporting and rotating adjustment of the centering rod body is realized, the supporting stability of the centering rod body is guaranteed, and the purpose of accurate measurement is achieved.
Description
Technical Field
The utility model belongs to the technical field of measuring tool technique and specifically relates to a measure centering rod is related to.
Background
At present, when a garden is surveyed, the centering rod is used as an indispensable centering device in the surveying and mapping, and has wide application. When the existing centering rod is used for measurement, a rod tip at the lower end of the centering rod is firstly aligned to a target point to be measured, and two supporting rods are adjusted to enable the circular bubble to be centered and enable the centering rod and the underground target point to be plumb.
Current survey and drawing centering rod realizes three point support through two spinal branch vaulting pole cooperations centering rod bodies when using, but because the centering rod body need keep with the plumb on ground, the three point support that forms from this is unstable, and the measuring accuracy is not enough when leading to detecting, and external influence factor is many during the test, is unfavorable for going on smoothly of gardens survey and drawing.
The information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a measure centering rod to solve the not enough technical problem of centering rod support stability who exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a measuring centering rod, comprising: the centering rod comprises a sleeve, wherein an inserting channel of a centering rod body is arranged on the sleeve along the axis of the sleeve, and at least three rotary structures capable of horizontally rotating around the inserting channel are arranged in an inner cavity of the sleeve along the axial direction of the sleeve; wherein the content of the first and second substances,
the revolution mechanic comprises: the rotary table is sleeved on the outer side of the inserting channel, connecting arms radially extending out of the sleeve are arranged on the circumferential surface of the rotary table, supporting frames capable of adjusting the extending length and the supporting angle are connected to the connecting arms, and a locking structure of the rotary table rotating position is arranged on the connecting arms.
Further, the sleeve includes: the centering rod comprises an upper end plate, a lower end plate, an inner side inserting hole wall, a peripheral wall and a partition plate, wherein holes for the centering rod body to pass through are formed in the upper end plate and the lower end plate, the inner side inserting hole wall surrounds the inserting channel, a ring-shaped opening for the connecting arm to extend out is formed in the peripheral wall, a sleeve inner cavity is formed by the upper end plate, the lower end plate, the inner side inserting hole wall and the peripheral wall in a surrounding mode, and the partition plate is arranged in the inner cavity and separates the rotating structure along the axial direction.
Furthermore, the inner sides of the upper end plate and the lower end plate and the upper side and the lower side of the interlayer plate are provided with annular convex edges, and the upper end face and the lower end face of the rotary table are provided with clamping grooves matched with the annular convex edges.
Further, the locking structure includes: wear the external member, it sets to wear the external member cover the outside of linking arm, wherein, is located be provided with the boss that radially stretches out on wearing the external member in the inner chamber, the boss towards periphery wall one side is provided with the damping fin, wears the cover and has put the spring on the external member, spring one end top is leaned on the carousel lateral wall, and spring other end top is leaned on the boss and is deviated from one side of damping fin.
Furthermore, a pressure applying part which radially extends out is arranged on the penetrating piece positioned on the outer side of the sleeve.
Further, the end part of the penetrating piece positioned in the inner cavity is provided with a limiting flange used for limiting the moving distance of the penetrating piece to the inner cavity.
Furthermore, the support frame is hinged on the connecting arm.
Further, the support frame includes: the sleeve pipe with can follow the inserted bar that the sleeve pipe lower extreme stretches out, the inserted bar lower extreme is provided with the conical head, sheathed tube upper end with the linking arm is connected, and the sleeve pipe lower extreme is provided with and is used for the card fixed structure mutually with the inserted bar.
Further, the locking structure includes: the sleeve ring piece is arranged at the lower end of the sleeve, a hinged support is arranged on the sleeve ring piece and connected to the middle of the clamping piece through a hinged shaft, a clamping needle is arranged on the clamping piece, a plurality of tooth grooves matched with the clamping needle are formed in the insertion rod, and a torsion spring driving the clamping needle to rotate towards the clamping groove is sleeved on the hinged shaft.
Further, a level gauge is arranged on the sleeve.
The utility model discloses a measure the centering rod and plant the centering rod body in the sleeve, utilize the revolution mechanic that can encircle the centering rod body rotation to adjust the interval angle of establishing between the support frame, avoid complicated topography and observation angle, realize the multiple spot support to the centering rod body, guarantee the support stability of centering rod body, reach the purpose of accurate measurement;
the structure of the sleeve reduces the exposed area of the rotary table, and prevents sand and dust from invading to influence the smooth degree of rotation;
the matching of the annular convex ridge and the clamping groove provides guidance for the rotation action of the turntable, and the position of the turntable in the inner cavity is limited;
the locking structure fixes the rotation angle of the turntable by using the friction between the damping sheet and the inner side of the peripheral wall, so that the support frame is locked after rotating for a set angle, and meanwhile, the conversion between a locking state and a unlocking state can be quickly realized by using the matching of the pressing part and the spring;
the locking structure is internally provided with the limiting flange, so that the problem of structural damage caused by overlarge force application on the pressure applying part is solved;
the structure of the support frame can quickly adjust the extension length and realize clamping;
the level gauge is used for ensuring that the centering rod body keeps a vertical angle with the ground.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a measuring centering rod according to an embodiment of the present invention in a use state;
FIG. 2 is a schematic view of the centering rod body of FIG. 1 with the centering rod body removed;
FIG. 3 is an enlarged schematic view of region A of FIG. 1;
fig. 4 is a schematic cross-sectional view of a centering rod in a retracted state according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of region B of FIG. 4;
icon: 1-centering rod body; 2-a sleeve; 3-a linker arm; 4-a sleeve; 5-a support frame; 6-inserting a rod; 7-conical head; 8-rotating disc; 9-a locking structure; 10-an annular opening; 11-a level gauge; 12-a collar piece; 13-free bearing; 14-a detent; 15-torsion spring; 16-a hinge shaft; 17-a clamping pin; 18-gullet; 19-an upper end plate; 20-a lower end plate; 21-an outer peripheral wall; 22-inside socket wall; 23-interlayer plate; 24-a circular bead; 25-a card slot; 26-well; 27-well; 28-wearing the kit; 29-a pressing part; 30-a stop flange; 31-convex mesa; 32-a damping fin; 33-spring.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a specific embodiment of the centering rod of the present invention is provided, and the centering rod of this embodiment specifically includes: the centering rod comprises a centering rod body 1, a sleeve 2, a rotary structure and a support frame 5;
the sleeve 2 specifically includes: the upper end plate 19, the lower end plate 20, the inner side jack wall 22, the outer peripheral wall 21 and the interlayer plate 23 surround the inner cavity of the sleeve 2 by the upper end plate 19, the lower end plate 20, the inner side jack wall 22 and the outer peripheral wall 21, a hole 26 is formed in the upper end plate 19, a hole 27 is formed in the lower end plate 20, and the hole diameter of the hole 26 or 27 is matched with the outer diameter of the centering rod body 1, so that the centering rod body 1 can be just inserted into the hole 26 or 27. The inner side inserting hole wall 22 is enclosed to form an inserting channel, the inserting channel is arranged along the axis and is respectively connected with the hole 26 and the hole 27 from top to bottom, the inserting channel is used for inserting the centering rod body 1, at least three rotary structures capable of horizontally rotating around the inserting channel are arranged in the inner cavity of the sleeve 2 along the axial direction of the inner cavity, the outer peripheral wall 21 is provided with an annular opening 10, and the interlayer plate 23 is arranged in the inner cavity to axially separate the rotary structures. The inner sides of the upper end plate 19 and the lower end plate 20 and the upper and lower sides of the interlayer plate 23 are provided with annular convex ribs 24. The sleeve 2 is provided with a level 11, air bubbles and liquid are arranged in the level 11, and when the air bubbles enter the marked area, the level 11 is vertical to the ground.
The revolution mechanic specifically includes: and the rotary disc 8 is sleeved outside the inserting channel, and the upper end surface and the lower end surface of the rotary disc 8 are provided with clamping grooves 25 matched with the annular convex ridges 24. The circumferential surface of the turntable 8 is provided with a radially extending connecting arm 3, the connecting arm 3 extends out of the sleeve 2 from the annular opening 10, the connecting arm 3 is hinged with a support frame 5, and the connecting arm 3 is provided with a locking structure for controlling the rotating position of the turntable 8.
The locking structure specifically includes: the penetrating sleeve 28 is sleeved outside the connecting arm 3, wherein a boss 31 extending radially is arranged on the penetrating sleeve 28 in the inner cavity, a damping plate 32 is arranged on one side, facing the outer peripheral wall 21, of the boss 31, a spring 33 is sleeved on the penetrating sleeve 28, one end of the spring 33 abuts against the side wall of the rotating disc 8, and the other end of the spring 33 abuts against one side, away from the damping plate 32, of the boss 31. A radially projecting pressure application part 29 is provided on the sleeve part 28 outside the sleeve 2. The end of the pull-through member 28 located within the internal cavity is provided with a stop flange 30 for limiting the distance the pull-through member 28 moves into the internal cavity.
When the turntable is locked, the spring 33 pushes the damping sheet 32 to be contacted with the inner side surface of the outer peripheral wall 21, so that the turntable 8 is locked; when the rotation is required, the force is applied to the pressing portion 29, the damper 32 is separated from the inner side of the outer peripheral wall 21, the turntable 8 can be rotated at will, and after the rotation is performed by a set angle, the external force is removed, and the locked state is reset.
The support frame 5 specifically includes: the sleeve pipe 4 and can follow the inserted bar 6 that the sleeve pipe 4 lower extreme stretches out, and the inserted bar 6 lower extreme is provided with conical head 7, and the upper end of sleeve pipe 4 is connected with linking arm 3, and the sleeve pipe 4 lower extreme is provided with and is used for the card fixed structure mutually with inserted bar 6. The support frame 5 can adjust the extension length and the support angle.
The locking structure specifically includes: the sleeve ring piece 12 is arranged at the lower end of the sleeve 4, a hinged support 13 is arranged on the sleeve ring piece 12, the hinged support 13 is connected to the middle of the clamping piece 14 through a hinged shaft 16, a clamping needle 17 is arranged at the lower end of the clamping piece 14, a plurality of tooth grooves 18 matched with the clamping needle 17 are formed in the inserted link 6, and a torsion spring 15 driving the clamping needle 17 to rotate towards the clamping groove 18 is sleeved on the hinged shaft 16.
The beneficial effects of this embodiment:
the centering rod body 1 is inserted into the sleeve 2 by the rod, and the supported interval angle between the support frames 5 is adjusted by utilizing a rotary structure capable of rotating around the centering rod body 1, so that complex terrain and observation angles are avoided, multi-point support on the centering rod body is realized, the support stability of the centering rod body is ensured, and the aim of accurate measurement is fulfilled;
the structure of the sleeve 2 reduces the exposed area of the rotary table 8, and prevents sand and dust from invading to influence the smooth degree of rotation;
the matching of the annular convex ridge 24 and the clamping groove 25 provides guidance for the rotation action of the rotary disc 8 and limits the position of the rotary disc 8 in the inner cavity;
the locking structure utilizes the rotation angle of the damping sheet 32 and the friction fixed turntable 8 on the inner side of the peripheral wall 21 to realize locking after rotating the support frame 5 for a set angle, and simultaneously, the cooperation of the pressing part 29 and the spring 33 can quickly realize the conversion between the locking state and the unlocking state; the locking structure is internally provided with a limiting flange 30, so that the problem that the structure of the sleeve member 28 is damaged due to overlarge force applied to the pressure applying part 29 is solved;
the structure of the support frame 5 can quickly adjust the extension length and realize clamping;
the level 11 is used to ensure that the centering rod body 1 maintains a vertical angle with the ground.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A measuring centering rod, comprising: the centering rod comprises a sleeve, wherein an inserting channel of a centering rod body is arranged on the sleeve along the axis of the sleeve, and at least three rotary structures capable of horizontally rotating around the inserting channel are arranged in an inner cavity of the sleeve along the axial direction of the sleeve; wherein the content of the first and second substances,
the revolution mechanic comprises: the rotary table is sleeved on the outer side of the inserting channel, connecting arms radially extending out of the sleeve are arranged on the circumferential surface of the rotary table, supporting frames capable of adjusting the extending length and the supporting angle are connected to the connecting arms, and a locking structure of the rotary table rotating position is arranged on the connecting arms.
2. The measured centering rod of claim 1, wherein said sleeve comprises: the centering rod comprises an upper end plate, a lower end plate, an inner side inserting hole wall, a peripheral wall and a partition plate, wherein holes for the centering rod body to pass through are formed in the upper end plate and the lower end plate, the inner side inserting hole wall surrounds the inserting channel, a ring-shaped opening for the connecting arm to extend out is formed in the peripheral wall, a sleeve inner cavity is formed by the upper end plate, the lower end plate, the inner side inserting hole wall and the peripheral wall in a surrounding mode, and the partition plate is arranged in the inner cavity and separates the rotating structure along the axial direction.
3. The centering rod as claimed in claim 2, wherein the inner sides of said upper end plate and said lower end plate and the upper and lower sides of said spacer plate are provided with circular ribs, and the upper and lower end surfaces of said turntable are provided with locking grooves matching with said circular ribs.
4. The measured centering rod of claim 2, wherein said locking structure comprises: wear the external member, it sets to wear the external member cover the outside of linking arm, wherein, is located be provided with the boss that radially stretches out on wearing the external member in the inner chamber, the boss towards periphery wall one side is provided with the damping fin, wears the cover and has put the spring on the external member, spring one end top is leaned on the carousel lateral wall, and spring other end top is leaned on the boss and is deviated from one side of damping fin.
5. The measured centering rod of claim 4, wherein said pull-through member located outside said sleeve is provided with a radially projecting pressure application portion.
6. The measured centering rod of claim 5, wherein an end of said bushing located in said cavity is provided with a stop flange for limiting the distance that the bushing moves into the cavity.
7. The measured centering rod of claim 1 wherein said support bracket is hinged to said connecting arm.
8. The measured centering rod of claim 7, wherein said support bracket comprises: the sleeve pipe with can follow the inserted bar that the sleeve pipe lower extreme stretches out, the inserted bar lower extreme is provided with the conical head, sheathed tube upper end with the linking arm is connected, and the sleeve pipe lower extreme is provided with and is used for the card fixed structure mutually with the inserted bar.
9. The measured centering rod of claim 8, wherein the retaining structure comprises: the sleeve ring piece is arranged at the lower end of the sleeve, a hinged support is arranged on the sleeve ring piece and connected to the middle of the clamping piece through a hinged shaft, a clamping needle is arranged on the clamping piece, a plurality of tooth grooves matched with the clamping needle are formed in the insertion rod, and a torsion spring driving the clamping needle to rotate towards the clamping groove is sleeved on the hinged shaft.
10. The measured centering rod of claim 1 wherein said sleeve is provided with a level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921583431.XU CN210464487U (en) | 2019-09-23 | 2019-09-23 | Measure centering rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921583431.XU CN210464487U (en) | 2019-09-23 | 2019-09-23 | Measure centering rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210464487U true CN210464487U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921583431.XU Active CN210464487U (en) | 2019-09-23 | 2019-09-23 | Measure centering rod |
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| CN (1) | CN210464487U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390742A (en) * | 2021-06-16 | 2021-09-14 | 湖州雄鹰通信电力设备有限公司 | Electric power fitting abrasion detection device |
-
2019
- 2019-09-23 CN CN201921583431.XU patent/CN210464487U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390742A (en) * | 2021-06-16 | 2021-09-14 | 湖州雄鹰通信电力设备有限公司 | Electric power fitting abrasion detection device |
| CN113390742B (en) * | 2021-06-16 | 2021-12-03 | 湖州雄鹰通信电力设备有限公司 | Electric power fitting abrasion detection device |
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