CN218720084U

CN218720084U - Engineering measuring instrument with manual adjusting device

Info

Publication number: CN218720084U
Application number: CN202223005620.3U
Authority: CN
Inventors: 唐剑宇; 黄丽俐; 金锋
Original assignee: CHANGZHOU XINRUIDE INSTRUMENT CO LTD
Current assignee: CHANGZHOU XINRUIDE INSTRUMENT CO LTD
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-24
Anticipated expiration: 2032-11-11

Abstract

The utility model relates to an engineering measuring instrument with manual adjusting device, which comprises a fixed base, the top of fixing base is equipped with the roating seat, the top of fixing base is equipped with and is suitable for the rotatory servo motor of drive roating seat, be equipped with the portion of alighting on the roating seat, its characterized in that: the worm gear is sleeved on the fixed seat, a rotary damping device is arranged between the fixed seat and the worm gear, a meshing and separating device is arranged below the rotary seat, a worm is rotatably arranged on the meshing and separating device, a knob is arranged at one end of the worm, and the meshing and separating device is suitable for controlling the worm to be meshed with or separated from the worm gear; this novel engineering measuring instrument's servo motor can not normal during operation, and the manual adjusting device of accessible carries out emergent operation and adjusts, and accommodation process is rapid and accurate.

Description

Engineering measuring instrument with manual adjusting device

Technical Field

The utility model relates to an engineering measuring instrument technical field, concretely relates to engineering measuring instrument with manual adjusting device.

Background

The engineering measuring instrument (comprising a laser swinger, a total station locator, a distance measuring instrument, a theodolite, a level, an automatic leveling level, a mapper, a laser measuring instrument, a projector, a photographic instrument and the like) in the prior art comprises a fixed seat, wherein a rotary seat is arranged above the fixed seat, a servo motor suitable for driving the rotary seat to rotate is arranged at the top end of the fixed seat, and a collimation part is arranged on the rotary seat; when the device works, the rotating seat is driven to rotate by the servo motor, so that the sighting part is aligned to a measured target.

The prior art engineering measuring instrument has the following problems: when the servo motor cannot work normally due to motor faults or driver faults, the engineering measuring instrument cannot be used directly.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is through an engineering measuring instrument with manual adjusting device, this novel engineering measuring instrument's servo motor can not normally be in operation, and accessible manual adjusting device carries out emergent operation regulation, and the accommodation process is rapidly and accurate.

For solving the technical problem, the utility model provides a pair of engineering measuring instrument with manual adjusting device, which comprises a fixed base, the top of fixing base is equipped with the roating seat, the top of fixing base is equipped with and is suitable for the rotatory servo motor of drive roating seat, be equipped with the portion of aiming at on the roating seat, the cover is equipped with the turbine on the fixing base, be equipped with rotatory damping device between fixing base and the turbine, the below of roating seat is equipped with meshing separator, it is provided with the worm to rotate on the meshing separator, the one end of worm is equipped with the knob, meshing separator is suitable for control worm and turbine meshing or separation.

Furthermore, a barrel is arranged at the bottom end of the rotating seat, an annular plate sleeved on the outer side of the fixed seat is arranged in the barrel, the meshing and separating device comprises a swing arm, the swing arm is movably connected to the bottom end of the annular plate, the worm is rotatably arranged below the swing arm, a tension spring is arranged at the swing end close to the swing arm, one end of the tension spring, far away from the swing arm, is fixed on the annular plate, a cam positioned below the annular plate is rotatably arranged in the barrel, and the swing end of the swing arm abuts against the cam; the high point of the cam is contacted with the swinging end of the swinging arm by rotating the cam, the swinging arm swings towards one side far away from the turbine by overcoming the tension of the tension spring, and the worm is disengaged from the turbine; the lower point of the swing arm is contacted with the swing end of the swing arm through rotating the cam, the swing arm swings towards the side where the worm wheel is located, and the worm is meshed with the worm wheel.

Further, the top of fixing base is equipped with annular boss, the turbine cover is established on annular boss, rotatory damping device includes the nut of screw-thread fit on annular boss, the nut is located the top of turbine, be equipped with the wave washer between the up end of nut and turbine.

Furthermore, two supporting seats are arranged at the bottom end of the swing arm at intervals, through holes are formed in the supporting seats, and bearings for supporting the rotation of the worm are fixed in the through holes in a matched mode.

Furthermore, a ball is arranged at the swinging end of the swinging arm and is abutted against the outer side of the cam; the swing arm has high motion precision and small abrasion.

The utility model has the advantages that: the working method of the emergency operation adjustment comprises the following steps: the worm is controlled to be meshed with the worm wheel through the meshing separation device, then the rotating seat is rotated manually to be adjusted rapidly, the aligning part is enabled to be aligned with a measured target rapidly, when the rotating seat is rotated manually, the worm can be driven to rotate around the rotating center of the rotating seat synchronously, the worm and the worm wheel are in a meshed state and have self-locking characteristics, so that the worm can drive the worm wheel to rotate by overcoming the rotating damping force applied by the rotating damping device, fine adjustment can be carried out through the manual rotating knob, the aligning part is enabled to be aligned with the measured target precisely, when the knob is rotated manually, the worm can be driven to rotate around the axis of the worm wheel, and as the rotating damping device applies the rotating damping force to the worm wheel, the worm wheel is fixed, so the worm can drive the rotating seat to rotate around the axis of the worm wheel; this novel engineering measuring instrument's servo motor can not normal during operation, and the manual adjusting device of accessible carries out emergent operation and adjusts, and accommodation process is rapid and accurate.

Drawings

In order to clarify the explanation of the innovative principles of the present invention and its advantages compared with existing engineering and measurement instruments, a possible embodiment is described below by way of non-limiting example applying said principles with the aid of the annexed drawings. In the figure:

fig. 1 is a schematic diagram of an engineering measuring instrument with a manual adjusting device according to the present invention;

FIG. 2 is a partial cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the engagement and disengagement apparatus;

FIG. 4 is a cross-sectional view of the rotary damping device;

fig. 5 is a perspective view of fig. 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the present novel embodiment are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present disclosure, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, such that "secured" may be fixedly connected, releasably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific circumstances.

Example 1

As shown in fig. 1-5, the engineering measuring instrument with the manual adjustment device of this embodiment includes a fixing base 1, a rotating base 2 is disposed above the fixing base 1, a servo motor 3 suitable for driving the rotating base 2 to rotate is disposed on the top end of the fixing base 1, an aiming portion 9 is disposed on the rotating base 2, a turbine 6 is sleeved on the fixing base 1, a rotary damping device 7 is disposed between the fixing base 1 and the turbine 6, a meshing and separating device 8 is disposed below the rotating base 2, a worm 4 is rotatably disposed on the meshing and separating device 8, a knob 5 is disposed at one end of the worm 4, and the meshing and separating device 8 is suitable for controlling the meshing or separating of the worm 4 and the turbine 6.

Preferably, a cylinder 10 is arranged at the bottom end of the rotating seat 2, an annular plate 11 sleeved on the outer side of the fixed seat 1 is arranged in the cylinder 10, the meshing and separating device 8 comprises a swing arm 12, the swing arm 12 is movably connected to the bottom end of the annular plate 11, the worm 4 is rotatably arranged below the swing arm 12, a tension spring 13 is arranged at a swing end 16 close to the swing arm 12, one end of the tension spring 13 far away from the swing arm 12 is fixed on the annular plate 11, a cam 15 positioned below the annular plate 11 is rotatably arranged in the cylinder 10, and the swing end 16 of the swing arm 12 is abutted against the cam 15; the high point of the cam 15 is contacted with the swinging end 16 of the swinging arm 12 by rotating, the swinging arm 12 swings to the side far away from the turbine 6 against the pulling force of the tension spring 13, and the worm 4 is disengaged from the turbine 6; the low point of the cam 15 is contacted with the swinging end 16 of the swinging arm 12 through rotating, the swinging arm 12 swings towards the side of the worm wheel 6, and the worm 4 is meshed with the worm wheel 6; the swing of the swing arm 12 can also be realized by a link mechanism, and the present embodiment preferably uses a cam mechanism to realize the swing of the swing arm 12.

Preferably, the top of fixing base 1 is equipped with annular boss 17, turbine 6 cover is established on annular boss 17, rotary damping device 7 includes nut 18 of screw-thread fit on annular boss 17, nut 18 is located the top of turbine 6, be equipped with wave washer 19 between the up end of nut 18 and turbine 6.

Two supporting seats 20 are arranged at the bottom end of the swing arm 12 at intervals, a through hole is formed in each supporting seat 20, and a bearing for supporting the rotation of the worm 4 is matched and fixed in each through hole.

Preferably, the swing end 16 of the swing arm 12 is provided with a ball 21, and the ball 21 is abutted against the outer side of the cam 15; the swing arm 12 has high motion precision and small abrasion.

The working method of the emergency operation adjustment comprises the following steps: the worm 4 is controlled to be meshed with the turbine 6 through the meshing separation device 8, then the rotating base 2 is rotated manually to conduct rapid adjustment, so that the aligning part 9 is aligned with a measured target rapidly, when the rotating base 2 is rotated manually, the worm 4 can be driven to rotate around the rotating center of the rotating base 2 synchronously, because the worm 4 and the turbine 6 are in a meshed state and have self-locking characteristics, the worm 4 can drive the turbine 6 to rotate by overcoming the rotating damping force applied by the rotating damping device 7, fine adjustment can be conducted through the manual rotating knob 5, so that the aligning part 9 is aligned with the measured target accurately, when the knob 5 is rotated manually, the worm 4 can be driven to rotate around the axis of the worm 4, and because the rotating damping device 7 applies the rotating damping force to the turbine 6, the turbine 6 is fixed, the worm 4 can drive the rotating base 2 to rotate around the axis of the turbine 6; when the servo motor of the engineering measuring instrument can not work normally, the manual adjusting device can be used for performing emergency operation adjustment, and the adjusting process is rapid and accurate.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an engineering measuring instrument with manual adjusting device, includes fixing base (1), the top of fixing base (1) is equipped with roating seat (2), the top of fixing base (1) is equipped with and is suitable for rotatory servo motor (3) of drive roating seat (2), be equipped with on roating seat (2) and aim at portion (9), its characterized in that: the worm gear type worm gear mechanism is characterized in that a turbine (6) is sleeved on the fixing base (1), a rotary damping device (7) is arranged between the fixing base (1) and the turbine (6), a meshing separation device (8) is arranged below the rotating base (2), a worm (4) is arranged on the meshing separation device (8) in a rotating mode, one end of the worm (4) is provided with a knob (5), and the meshing separation device (8) is suitable for controlling the worm (4) to be meshed with or separated from the turbine (6).

2. The engineering measurement instrument of claim 1, wherein: the bottom of roating seat (2) is equipped with barrel (10), be equipped with ring plate (11) that the cover was established in the outside of fixing base (1) in barrel (10), meshing separator (8) are including swing arm (12), swing arm (12) swing joint is in the bottom of ring plate (11), worm (4) are rotated and are set up in the below of swing arm (12), close on swing end (16) of swing arm (12) are equipped with extension spring (13), the one end that swing arm (12) were kept away from in extension spring (13) is fixed on ring plate (11), barrel (10) are provided with cam (15) that are located ring plate (11) internal rotation below, swing end (16) and cam (15) of swing arm (12) offset.

3. The engineering measurement instrument of claim 1, wherein: the top of fixing base (1) is equipped with annular boss (17), turbine (6) cover is established on annular boss (17), rotary damping device (7) include nut (18) of screw-thread fit on annular boss (17), nut (18) are located the top of turbine (6), be equipped with wave washer (19) between the up end of nut (18) and turbine (6).

4. The engineering measurement instrument of claim 2, wherein: two supporting seats (20) are arranged at the bottom end of the swing arm (12) at intervals, a through hole is formed in each supporting seat (20), and a bearing for supporting the rotation of the worm (4) is fixed in the through hole in a matched mode.

5. The engineering measurement instrument of claim 2, wherein: the swing end (16) of the swing arm (12) is provided with a ball (21), and the ball (21) is abutted against the outer side of the cam (15).