CN216898920U

CN216898920U - Retractable engineering survey and drawing centering rod

Info

Publication number: CN216898920U
Application number: CN202123393922.8U
Authority: CN
Inventors: 董春波
Original assignee: Hebei Xiongantailai Technology Co ltd
Current assignee: Sichuan Zhongxin Hengling Engineering Project Management Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-05
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a telescopic engineering surveying and mapping centering rod which comprises an inner sleeve, wherein the upper end of the inner sleeve is rotatably connected with a rod head, the end part of the inner sleeve is provided with a first thread groove, the outer part of the rod head is rotatably connected with an outer protective sleeve, the bottom in the inner sleeve is provided with a supporting spring, the end part of the supporting spring is fixedly provided with a chuck, the outer part of the inner sleeve is slidably sleeved with an outer sleeve, the outer wall of the outer sleeve is fixedly connected with a supporting plate, the middle part of the supporting plate is fixedly provided with a mounting hole, and the periphery of the supporting plate is rotatably connected with supporting rods through rotating connecting rods. The utility model discloses a telescopic engineering surveying and mapping centering rod, which is provided with an outer protective sleeve, a protective device can play a good role in protecting a rod head part, the daily use of the centering rod cannot be influenced, the centering rod can be well protected when being moved and stored, the loss in non-working is avoided, and the service life of equipment is prolonged.

Description

Retractable engineering survey and drawing centering rod

Technical Field

The utility model relates to the technical field of engineering measurement, in particular to a telescopic engineering surveying and mapping centering rod.

Background

The centering rod for surveying and mapping is used as an indispensable centering device in surveying and mapping, has wide application in surveying and mapping, is a telescopic metal rod capable of directly pointing to a ground mark point according to the vertical direction, and currently, in the comprehensive construction of basic fields such as traffic, energy, building, water conservancy, urban and rural planning, resource development, industrial and agricultural production and the like, engineering measurement is an indispensable link in the construction activities.

The centering rod loss is very serious, lead to the precision to descend, the main loss position is the point portion of centering rod pole head, but the pole head part of present centering rod all can not be changed, also do not have corresponding safeguard measure to it, the flexible length of centering rod is limited, interior sleeve pipe withdrawal back, the pole is long for half when stretching out more, it is very inconvenient to carry, outer tube and inner tube are fixed mutually through holding the formula retaining member moreover, sleeve pipe outer wall has dust earth when operational environment is not good, outer tube and interior sleeve pipe have the phenomenon of skidding, current bracket simple structure in addition, the function is single.

The prior patent (publication number: CN205991805U) discloses a centering rod for surveying and mapping, including the body of rod, set up the supporting disk on the body of rod, two hinge ears on the supporting disk, one side that the supporting disk was kept away from to two hinge ears sets up a support section of thick bamboo, the top of supporting a section of thick bamboo sets up the support arm, the one end of support arm is equipped with single hinge ear, set up lock nut on the support arm, all be equipped with the external screw thread that suits with lock nut on the outer wall of two hinge ears, single hinge ear, the top of supporting a section of thick bamboo sets up the pivot, set up the hand wheel in the pivot, set up the lead screw in the support section of thick bamboo, the lead screw passes through the universal joint and is connected with the pivot, be equipped with driving cylinder on the lead screw, driving cylinder's one end is equipped with the screw that suits with the lead screw, and the other end sets up the supporting legs. The utility model has the beneficial effects that: the stability of the body of rod when it can guarantee to use can guarantee the survey and drawing precision, can be quick adjust the body of rod to perpendicular with the horizontal plane, can improve survey and drawing work efficiency. However, when the centering rod is worn seriously during the measurement process, the precision is reduced, the rod head cannot be replaced, a new centering rod needs to be purchased, the purchase cost is increased, and the centering rod is inconvenient to place and occupies a large space.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a telescopic engineering surveying and mapping centering rod.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a retractable engineering survey and drawing centering rod, includes interior sleeve pipe, interior sleeve pipe upper end is rotated and is connected with the pole head, interior sleeve pipe tip is provided with first thread groove, the outside rotation of pole head is connected with outer protective sheath, the bottom is provided with supporting spring in the interior sleeve pipe, the supporting spring end fixing is provided with the dop, the outside slip cap of interior sleeve pipe is equipped with the outer tube, outer tube outer wall fixedly connected with backup pad, the fixed mounting hole that is provided with in backup pad middle part, the backup pad all rotates through rotating the connecting rod and is connected with the bracing piece all around.

As a further description of the above technical solution:

the outer wall of the rod head is provided with an external thread, and the rod head is detachably connected with the outer protective sleeve through the external thread.

As a further description of the above technical solution:

the first threaded connector of tip fixedly connected with behind the pole head, the pole head passes through first threaded connector and interior sleeve pipe detachable connection.

As a further description of the above technical solution:

the inner wall of the lower end of the outer protective sleeve is provided with an internal thread, and the internal thread is in threaded connection with the external thread.

As a further description of the above technical solution:

four one end that the bracing piece kept away from the rotation connecting rod all can be dismantled and be connected with the cone head.

As a further description of the above technical solution:

and four second thread grooves are formed in the ends, far away from the rotating connecting rod, of the supporting rods.

As a further description of the above technical solution:

and the rear ends of the four conical heads are fixedly provided with second threaded connectors.

As a further description of the above technical solution:

two connecting holes are fixedly formed in the periphery of the supporting plate.

The utility model has the following beneficial effects:

1. according to the telescopic engineering surveying and mapping centering rod provided by the utility model, the outer protective sleeve is arranged, so that the protective device can play a good role in protecting the rod head part, the daily use of the centering rod cannot be influenced, the centering rod can be well protected when being moved and stored, the non-working loss is avoided, and the service life of equipment is prolonged.

2. According to the telescopic engineering surveying and mapping centering rod provided by the utility model, the rod head can be detached and replaced, the connection is carried out through a rotating method, the replacement is more convenient, and the rod head can be replaced if the precision is reduced due to the fact that the rod head is damaged and worn seriously, so that the cost is saved more.

3. According to the telescopic engineering surveying and mapping centering rod, the supporting spring and the clamping head are arranged at the inner bottom of the inner sleeve, so that the centering rod can be stretched, and is convenient to carry and use.

Drawings

FIG. 1 is a schematic connection diagram of a rod body and a rod head of a telescopic engineering surveying and mapping centering rod provided by the utility model;

FIG. 2 is a cross-sectional view of an outer protective sleeve of a retractable engineering surveying and mapping centering rod according to the present invention;

FIG. 3 is a schematic view of an outer protective sleeve mounting structure of a retractable engineering surveying and mapping centering rod according to the present invention;

FIG. 4 is a cross-sectional view of a telescopic alignment rod for engineering surveying and mapping according to the present invention;

FIG. 5 is a schematic view of a folding structure of a telescopic engineering surveying and mapping centering rod according to the present invention;

FIG. 6 is a schematic structural diagram of a support plate of the retractable centering rod for engineering surveying and mapping according to the present invention;

fig. 7 is an expanded schematic view of a supporting device of a telescopic engineering surveying and mapping centering rod according to the present invention.

Illustration of the drawings:

1. a club head; 2. an external thread; 3. an inner sleeve; 4. clamping a head; 5. an outer sleeve; 6. an outer protective sheath; 7. an internal thread; 8. a first thread groove; 9. a first threaded connector; 10. a support spring; 11. connecting holes; 12. a support plate; 13. mounting holes; 14. a conical head; 15. a second thread groove; 16. a second threaded connector; 17. rotating the connecting rod; 18. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-7, one embodiment of the present invention is provided: the utility model provides a retractable engineering survey and drawing centering rod, including interior sleeve pipe 3, interior sleeve pipe 3 upper end is rotated and is connected with pole head 1, interior sleeve pipe 3 tip is provided with first thread groove 8, 1 outside rotation of pole head is connected with outer protective sheath 6, the bottom is provided with supporting spring 10 in interior sleeve pipe 3, the fixed dop 4 that is provided with of supporting spring 10 tip, interior sleeve pipe 3 outside slip cap is equipped with

outer tube

5, 5 outer wall fixedly connected with backup pad 12 of outer tube, the fixed mounting hole 13 that is provided with in backup pad 12 middle part, backup pad 12 all rotates through rotating connecting rod 17 all around and is connected with bracing piece 18.

The outer wall of the club head 1 is provided with external screw thread 2, the club head 1 can be dismantled with outer protective sheath 6 through external screw thread 2 and be connected, the first threaded connection head 9 of tip fixedly connected with behind the club head 1, club head 1 can be dismantled with interior sleeve pipe 3 through first threaded connection head 9 and be connected, the inner wall of 6 lower extremes of outer protective sheath is provided with internal thread 7,

internal thread

7 and 2 threaded connection of external screw thread, four bracing pieces 18 are kept away from the equal detachable connection of one end of rotating connecting rod 17 and are connected with cone 14, four bracing pieces 18 are kept away from the one end of rotating connecting rod 17 and all are provided with second thread groove 15, the equal fixed second threaded connection head 16 that is provided with in 14 rear ends of four cone, backup pad 12 all is fixed all around and is provided with two connecting holes 11.

The working principle is as follows: this use when novel using, at first lift outer protective sheath 6 off through the pivoted method, respectively four outside rotatory bracing pieces 18, make four bracing pieces 18 be the splayed, height and angle according to the operation regulation needs carry out work, if in-process pole head 1 loss at work seriously causes the precision to descend very much, can change pole head 1 through the pivoted mode, install back outer protective sheath 6 through the pivoted mode when the work is accomplished, just so can play the effect of protection pole head 1 at the in-process that removes the pole, can accomodate through flexible mode, the occupation in space has been saved like this, and is more convenient to carry.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a retractable engineering survey and drawing centering rod, includes interior sleeve pipe (3), its characterized in that: interior sleeve pipe (3) upper end is rotated and is connected with pole head (1), interior sleeve pipe (3) tip is provided with first thread groove (8), pole head (1) outside is rotated and is connected with outer protective sheath (6), the bottom is provided with supporting spring (10) in interior sleeve pipe (3), supporting spring (10) end fixing is provided with dop (4), interior sleeve pipe (3) outside slip cover is equipped with outer tube (5), outer tube (5) outer wall fixedly connected with backup pad (12), backup pad (12) middle part is fixed and is provided with mounting hole (13), backup pad (12) all are connected with bracing piece (18) through rotating connecting rod (17) rotation all around.

2. The telescopic engineering surveying and mapping centering rod of claim 1, wherein: the outer wall of the rod head (1) is provided with an external thread (2), and the rod head (1) is detachably connected with an outer protective sleeve (6) through the external thread (2).

3. The telescopic engineering surveying and mapping centering rod of claim 1, wherein: the rear end part of the club head (1) is fixedly connected with a first threaded connector (9), and the club head (1) is detachably connected with the inner sleeve (3) through the first threaded connector (9).

4. The telescopic engineering surveying and mapping centering rod of claim 1, wherein: the inner wall of outer protective sheath (6) lower extreme is provided with internal thread (7), internal thread (7) and external screw thread (2) threaded connection.

5. The telescopic engineering surveying and mapping centering rod of claim 1, wherein: one ends of the four support rods (18) far away from the rotating connecting rod (17) can be detachably connected with conical heads (14).

6. The telescopic engineering surveying and mapping centering rod of claim 5, wherein: and second thread grooves (15) are formed in one ends of the four support rods (18) far away from the rotating connecting rod (17).

7. The telescopic engineering surveying and mapping centering rod of claim 6, wherein: and the rear ends of the four conical heads (14) are fixedly provided with second threaded connectors (16).

8. The telescopic engineering surveying and mapping centering rod of claim 6, wherein: two connecting holes (11) are fixedly arranged on the periphery of the supporting plate (12).