CN212300359U

CN212300359U - Measuring device that municipal works were used

Info

Publication number: CN212300359U
Application number: CN202021616483.5U
Authority: CN
Inventors: 张雷雨
Original assignee: Lianyungang Technical College
Current assignee: Lianyungang Technical College
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-01-05
Anticipated expiration: 2030-08-06

Abstract

The utility model relates to a measuring device for municipal engineering, which comprises a measuring instrument for measuring the municipal engineering, a rotating component for driving the angle adjustment of the measuring instrument, a lifting component for driving the measuring instrument to move up and down, and a horizontal adjusting component for realizing the automatic adjustment of levelness of the device; the measuring instrument is arranged above the rotating assembly, the rotating assembly is arranged above the lifting assembly, and the lifting assembly is arranged above the horizontal adjusting assembly. The utility model provides a municipal works measure the problem that exists, realize the automatically regulated of measuring device levelness, practiced thrift the time of adjusting before measuring greatly, improved simple and direct nature and the convenience of installation before measuring, simultaneously, satisfy the adjustment demand of height and angle among the measurement process, can fix after the adjustment, prevent the deviation, the adjustment precision is high to improve measurement of efficiency and measuring accuracy.

Description

Measuring device that municipal works were used

Technical Field

The utility model belongs to the technical field of the engineering survey technique and specifically relates to a measuring device that municipal works were used.

Background

With the change of the city development day by day, the quality of the municipal engineering is closely related to the image of the city, so that the construction level of the municipal engineering is required to be continuously improved, and the civil engineering with high quality level is strived to be built. The improvement of the municipal engineering construction level cannot leave the optimization and the updating of the measurement technology, and the advanced construction technology of construction enterprises. However, many construction enterprises at the present stage neglect the criticality of construction measurement, and further the development of the construction measurement procedure is not in place, the normal performance of the measurement technology is affected, and the municipal engineering has great potential safety hazard.

Municipal works are different from other works, the municipal works can directly serve the citizens after construction is completed and are directly displayed to the front of each citizen, and if the quality of the municipal works is wrong, the municipal works can be directly fermented into a larger problem, so that extremely poor social influence is caused. Aiming at the quality problem of municipal engineering, important supervision and management are needed, wherein the measured quality directly influences the quality of municipal engineering entities, and the important point of the municipal engineering construction process is needed to be supervised and managed. The measurement as the 'eyes of construction' needs to be subjected to important supervision and management, and if a problem occurs in engineering measurement, the consequences of construction cost increase such as engineering rework and the like can be caused, and even the quality problem of the later engineering integrity can be caused.

The existing measuring device needs to spend a large amount of time to adjust the levelness of the measuring device before measurement, the adjustment precision of the levelness is limited, and the levelness is not easy to fix after adjustment; during measurement, the measurement angle adjustment cannot be carried out or the operation stability of the angle adjustment is poor, and the measurement height cannot be adjusted, so that the measurement efficiency is low and the measurement precision is low.

Therefore, how to provide a measuring device for municipal engineering to solve the problems in the prior art is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application aims to provide a measuring device for municipal engineering to improve the simplicity and convenience of installation before measurement, and improve the measurement efficiency and the measurement accuracy.

In order to achieve the above object, the present application provides the following technical solutions.

A measuring device for municipal engineering comprises a measuring instrument for measuring the municipal engineering, a rotating component for driving the measuring instrument to adjust the angle, a lifting component for driving the measuring instrument to move up and down, and a horizontal adjusting component for realizing the automatic adjustment of levelness of the device;

the measuring instrument is arranged above the rotating assembly, the rotating assembly is arranged above the lifting assembly, and the lifting assembly is arranged above the horizontal adjusting assembly.

Preferably, rotating assembly includes carousel, a supporting bench, gear wheel, pinion, handle, the gear wheel sets up between carousel and the supporting bench, gear wheel and pinion intermeshing drives the pinion rotation through the handle, and the pinion drives the gear wheel rotation, and then realizes the rotary motion of carousel.

Preferably, the rotating assembly further comprises a locking mechanism, the locking mechanism is used for fixing the rotating position of the rotating disc, the locking mechanism comprises a connecting plate and a fixing rod, the connecting plate is fixedly connected with the handle, and the fixing rod penetrates through the connecting plate and is fixed on the supporting table through threaded connection.

Preferably, the lifting assembly comprises a telescopic rod, an inner sleeve, an outer sleeve, a rack and a transition gear, one end of the telescopic rod is embedded into the inner sleeve, the other end of the telescopic rod is connected with the rotating assembly, and one end of the inner sleeve is embedded into the outer sleeve;

the transition gear is fixed on the inner sleeve, and the telescopic rod and the outer sleeve are both provided with racks corresponding to the transition gear so as to realize the up-and-down movement of the telescopic rod relative to the outer sleeve.

Preferably, the lifting assembly further comprises a limiting mechanism for limiting the lifting position of the telescopic rod.

Preferably, the limiting mechanism comprises a clamping seat and a clamping rod, the clamping seat is fixed on the inner sleeve, the clamping rod is arranged above the inner sleeve, clamping holes corresponding to the clamping rod in size are formed in the periphery of the telescopic rod, and the clamping rod is embedded into the clamping holes so as to limit the lifting position of the telescopic rod.

Preferably, the horizontal adjustment subassembly includes box, spheroid, balancing weight, be provided with spherical chamber and square cavity in the box, spheroid and balancing weight pass through connecting rod fixed connection, be provided with the space between spheroid and the spherical chamber, be provided with the ball in the space, receive the effect of gravity through the balancing weight to make spheroid automatically regulated levelness.

Preferably, horizontal adjustment subassembly still includes fixed establishment, fixed establishment includes fixed plate, clamping screw, screw thread chamber, the fixed plate is connected with clamping screw one end, the screw thread chamber sets up in the box, realize fixing and the pine of spheroid put through the position of adjustment clamping screw.

Preferably, the measuring device further comprises a bracket, wherein the bracket comprises three support legs capable of adjusting the telescopic motion, and the bracket is detachably fixed below the horizontal adjusting assembly.

The utility model discloses the beneficial technological effect who obtains:

1) the utility model solves the problems of municipal engineering measurement, realizes the automatic adjustment of the levelness of the measuring device, greatly saves the adjusting time before measurement, improves the simplicity and convenience of installation before measurement, simultaneously meets the adjusting requirements of height and angle in the measuring process, can be fixed after adjustment, prevents deviation, has high adjusting precision, and improves the measuring efficiency and the measuring precision;

2) the utility model realizes the automatic adjustment of the levelness of the measuring device through the horizontal adjusting component, realizes the adjustment of the measuring height through the lifting component, realizes the adjustment of the measuring angle through the rotating component, and is provided with a relative fixing mechanism, a limiting mechanism and a locking mechanism respectively at the same time, thereby preventing the deviation after the adjustment from influencing the measuring precision;

3) the connection relation among the components in the utility model is a detachable structure, which is convenient for storage and transportation, and the assembly before measurement is simple, thereby providing great convenience for the measurement work;

4) the utility model discloses can be directly measure the box 401 direct contact ground in the horizontal adjustment subassembly, also can erect it through the support and measure, satisfy multiple measuring environment's use.

The foregoing description is only an overview of the technical solutions of the present application, so that the technical means of the present application can be more clearly understood and the present application can be implemented according to the content of the description, and in order to make the above and other objects, features and advantages of the present application more clearly understood, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of a measuring device for municipal works according to an embodiment of the disclosure;

FIG. 2 is a cross-sectional view of a measuring device for municipal works according to an embodiment of the disclosure;

FIG. 3 is a schematic structural view of a rotating assembly according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of a lift assembly according to an embodiment of the present disclosure;

FIG. 5 is a cross-sectional view of a lift assembly in one embodiment of the present disclosure;

FIG. 6 is a schematic diagram of a horizontal adjustment assembly according to an embodiment of the present disclosure;

FIG. 7 is a cross-sectional view of a leveling assembly in one embodiment of the present disclosure.

In the above drawings: 100. a measuring instrument; 200. a rotating assembly; 201. a turntable; 202. a support table; 203. a bull gear; 204. a pinion gear; 205. a handle; 206. a side plate; 211. a connecting plate; 212. fixing the rod; 213. an internally threaded bore; 300. a lifting assembly; 301. a telescopic rod; 302. an inner sleeve; 303. an outer sleeve; 304. a rack; 305. a transition gear; 306. hanging the plate; 311. a card holder; 312. a clamping rod; 313. a clamping hole; 314. a card slot; 400. a horizontal adjustment assembly; 401. a box body; 402. a sphere; 403. a balancing weight; 404. a spherical cavity; 405. a square cavity; 406. a connecting rod; 407. a ball bearing; 408. a handle; 411. a fixing plate; 412. fixing the screw rod; 413. a threaded cavity; 414. a limiting ring; 500. a support; 501. a support leg; 600. a level gauge.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.

It should be appreciated that reference throughout this specification to "one embodiment" or "the embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrase "one embodiment" or "the present embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Further, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.

The term "at least one" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, at least one of a and B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion.

Example 1

As shown in fig. 1 and 2, a measuring device for municipal engineering comprises a measuring instrument 100 for measuring municipal engineering, a rotating assembly 200 for driving the measuring instrument 100 to adjust an angle, a lifting assembly 300 for driving the measuring instrument 100 to move up and down, and a horizontal adjusting assembly 400 for realizing automatic levelness adjustment of the device.

The measuring instrument 100 is disposed above the rotating assembly 200, the rotating assembly 200 is disposed above the lifting assembly 300, and the lifting assembly 300 is disposed above the leveling assembly 400.

As shown in fig. 3, the rotating assembly 200 includes a rotating plate 201, a supporting platform 202, a gearwheel 203, a pinion 204, and a handle 205, wherein the gearwheel 203 is disposed between the rotating plate 201 and the supporting platform 202, the gearwheel 203 and the rotating plate 201 are fixedly connected through a rotating shaft, one end of the rotating shaft is fixed on the supporting platform 202 through a bearing, and one end of the handle 205 is fixedly connected with the pinion 204.

The bull gear 203 and the pinion gear 204 are meshed with each other, the pinion gear 204 is driven to rotate through the handle 205, and the pinion gear 204 drives the bull gear 203 to rotate, so that the rotary motion of the turntable 201 is realized.

Further, both sides of the bull gear 203 and the pinion gear 204 are fixedly connected through a side plate 206, bearing holes are formed in both ends of the side plate 206, and the rotating shaft and the handle 205 respectively penetrate through the corresponding bearing holes, so that the bull gear 203 and the pinion gear 204 are in transmission connection, and meanwhile, the bull gear 203 and the pinion gear 204 are prevented from moving up and down.

The rotating assembly 200 further comprises a locking mechanism for fixing the rotating position of the turntable 201.

Further, locking mechanism includes connecting plate 211, dead lever 212, connecting plate 211 with handle 205 fixed connection, dead lever 212 one end is provided with the external screw thread, be provided with below the brace table 202 with the corresponding internal thread hole 213 of external screw thread, and evenly distributed on the circumference that corresponds with dead lever 212 position, dead lever 212 passes connecting plate 211 and fixes through threaded connection on brace table 202, thereby realizes the fixed of carousel 201 rotational position.

Further, a fixing seat is arranged on the turntable 201, and the fixing seat is used for fixing the measuring instrument 100.

Further, a level meter 600 is arranged on the turntable 201, so that the levelness of the turntable 201 is further checked, and the measurement precision is improved.

As shown in fig. 4 and 5, the lifting assembly 300 comprises a telescopic rod 301, an inner sleeve 302, an outer sleeve 303, a rack 304 and a transition gear 305, wherein one end of the telescopic rod 301 is embedded in the inner sleeve 302, the other end of the telescopic rod is connected with the rotating assembly 200, and one end of the inner sleeve 302 is embedded in the outer sleeve 303.

The telescopic link 301 upper end is provided with first fixed threaded hole, a supporting bench 202 lower extreme is provided with first fixed threaded rod, first fixed threaded rod cooperatees with first fixed threaded hole, in order to realize supporting bench 202 is detachable fixes on telescopic link 301, promptly rotating component 200 fixes with detachable mode on lifting component 300.

The transition gear 305 is fixed on the inner sleeve 302 and is positioned between the telescopic rod 301 and the outer sleeve 303, the telescopic rod 301 and the outer sleeve 303 are both provided with racks 304 corresponding to the transition gear 305, the telescopic rod 301 moves up and down under the action of force to drive the transition gear 305 to rotate, and meanwhile, the inner sleeve 302 moves up and down relative to the outer sleeve 303; similarly, the outer sleeve 303 moves up and down under the action of the acting force to drive the transition gear 305 to rotate, and meanwhile, the inner sleeve 302 moves up and down relative to the telescopic rod 301; eventually, the telescopic rod 301 moves up and down relative to the outer sleeve 303.

Further, the transition gear 305 is fixed on the inner sleeve 302 through a hanging plate 306, and the hanging plate 306 is connected with the transition gear 305 through a gear rotating shaft.

Further, the length of the lower end of the inner sleeve 302 extending into the outer sleeve 303 is greater than the length of the lower end of the telescopic rod 301 extending into the outer sleeve 303, so that the downward extending depth of the telescopic rod 301 is limited, the telescopic rod 301 is prevented from touching the bottom, and the breakage-proof protection is formed.

Further, the lifting assembly 300 further comprises a limiting mechanism for limiting the lifting position of the telescopic rod 301.

Further, the limiting mechanism comprises a clamping seat 311 and a clamping rod 312, the clamping seat 311 is fixed on the inner sleeve 302, the clamping rod 312 is arranged above the inner sleeve 302 and is fixedly connected with the clamping seat 311, clamping holes 313 corresponding to the clamping rod 312 in size are formed in the periphery of the telescopic rod 301, and the lifting position of the telescopic rod 301 is limited by embedding the clamping rod 312 into the clamping holes 313.

Further, a clamping groove 314 corresponding to the clamping seat 311 is arranged on the inner sleeve 302, the clamping seat 311 is fixed in the clamping groove 314, a gap is directly formed between one end of the clamping groove 314 and the clamping seat 311, and an elastic support piece is arranged in the gap to realize the vertical relative rotation of the clamping seat 311, so that the telescopic rod 301 is fixedly retracted.

As shown in fig. 6 and 7, the horizontal adjustment assembly 400 includes a box 401, a sphere 402, and a weight 403, wherein the box 401 has a spherical cavity 404 and a square cavity 405 therein, the sphere 402 and the weight 403 are fixedly connected by a connecting rod 406, and the weight 403 is disposed in the square cavity 405.

The upper end of the sphere 402 is provided with a second fixed threaded hole, the lower end of the outer sleeve 303 is provided with a second fixed threaded rod, and the second fixed threaded rod is matched with the second fixed threaded hole to detachably fix the outer sleeve 303 on the sphere 402, that is, the lifting assembly 300 is detachably fixed on the horizontal adjustment assembly 400.

A gap is arranged between the ball 402 and the spherical cavity 404, and a ball 407 is arranged in the gap; gravity is applied to the ball 403 to automatically adjust the levelness of the ball 402.

Further, horizontal adjustment subassembly 400 still includes fixed establishment, fixed establishment includes fixed plate 411, clamping screw 412, thread cavity 413, fixed plate 411 is connected with clamping screw 412 one end, fixed plate 411 is the loop configuration, with the surface cooperation of spheroid 402, thread cavity 413 sets up in the box 401, the one end that thread cavity 413 is close to spheroid 402 is provided with the recess, the recess is used for placing fixed plate 411, realizes fixing and the pine of spheroid 402 through the position of adjustment clamping screw 412.

Further, a limiting ring 414 is arranged at the threaded cavity 413 on the outer side of the box 401, and the limiting ring 414 is used for limiting the position of the inward rotating movement of the fixing screw 412.

Further, a handle 408 is arranged at the upper end of the box 401, so that the box 401 can be conveniently carried.

Further, the measuring device further comprises a bracket 500, wherein the bracket 500 comprises three legs 501 capable of adjusting the telescopic movement, and the bracket 500 is detachably fixed below the horizontal adjusting assembly 400.

Example 2

Based on the embodiment 1, the use method of the measuring device for municipal engineering comprises the following steps:

101. firstly, assembling a measuring device, and sequentially installing a bracket 500, a horizontal adjusting assembly 400, a lifting assembly 300, a rotating assembly 200 and a measuring instrument 100;

102. the levelness of the device is adjusted by the horizontal adjusting component 400, namely, the levelness of the sphere 402 is adjusted by the gravity action of the balancing weight 403, and then the levelness of the sphere 402 is fixed by the fixing mechanism;

103. the height measurement is adjusted through the lifting assembly 300, namely the position of the telescopic rod 301 is adjusted through acting force, and then the height of the telescopic rod 301 is fixed through a limiting mechanism;

104. the measurement angle is adjusted through the rotating assembly 200, namely, the pinion 204 is adjusted to rotate through the handle 205, so that the bull gear 203 and the turntable 201 are driven to rotate synchronously, and then the rotating angle of the turntable 201 is fixed through the locking mechanism;

105. and finally, carrying out measurement work through the measuring instrument 100, and after the measurement is finished, sequentially disassembling and retracting the measuring instrument 100 and the components.

The measuring device for municipal engineering realizes automatic adjustment of levelness of the measuring device through the horizontal adjusting assembly 400, realizes adjustment of measuring height through the lifting assembly 300, realizes adjustment of measuring angle through the rotating assembly 200, and is provided with the relative fixing mechanism, the limiting mechanism and the locking mechanism respectively to prevent deviation after adjustment and influence on measuring precision; the connection relation among the components is a detachable structure, so that the storage and the transportation are convenient, the assembly before measurement is simple, and great convenience is provided for the measurement work; the box 401 in the horizontal adjustment assembly 400 can be directly contacted with the ground for measurement, and can also be erected for measurement through the support 500, so that the use in various measurement environments is met.

The measuring device for the municipal engineering solves the problems existing in the municipal engineering measurement, realizes the automatic adjustment of the levelness of the measuring device, greatly saves the adjusting time before measurement, improves the simplicity and convenience of installation before measurement, simultaneously meets the adjustment requirements of height and angle in the measuring process, can be fixed after adjustment, prevents deviation, and has high adjustment precision, thereby improving the measuring efficiency and the measuring precision.

The above description is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the present invention, and various modifications and changes may be made by those skilled in the art. All changes, modifications, substitutions, integrations and parameter changes to the embodiments, which are within the spirit and principle of the invention, can be made by conventional substitution or can realize the same function without departing from the principle and spirit of the invention, and all fall into the protection scope of the invention.

Claims

1. The measuring device for the municipal engineering is characterized by comprising a measuring instrument (100) for measuring the municipal engineering, a rotating assembly (200) for driving the measuring instrument (100) to adjust the angle, a lifting assembly (300) for driving the measuring instrument (100) to move up and down, and a horizontal adjusting assembly (400) for realizing the automatic adjustment of the levelness of the device;

the measuring instrument (100) is arranged above the rotating assembly (200), the rotating assembly (200) is arranged above the lifting assembly (300), and the lifting assembly (300) is arranged above the horizontal adjusting assembly (400).

2. The measuring device for municipal engineering according to claim 1, wherein the rotating assembly (200) comprises a turntable (201), a support platform (202), a gearwheel (203), a pinion (204), and a handle (205), wherein the gearwheel (203) is disposed between the turntable (201) and the support platform (202), the gearwheel (203) and the pinion (204) are engaged with each other, the handle (205) drives the pinion (204) to rotate, and the pinion (204) drives the gearwheel (203) to rotate, thereby realizing the rotation of the turntable (201).

3. The device for measuring municipal engineering according to claim 2, wherein the rotating assembly (200) further comprises a locking mechanism for fixing the position of rotation of the turntable (201), the locking mechanism comprises a connecting plate (211) and a fixing rod (212), the connecting plate (211) is fixedly connected with the handle (205), and the fixing rod (212) passes through the connecting plate (211) and is fixed on the support table (202) through a threaded connection.

4. The measuring device for municipal engineering according to claim 1, wherein the lifting assembly (300) comprises a telescopic rod (301), an inner sleeve (302), an outer sleeve (303), a rack (304), and a transition gear (305), wherein one end of the telescopic rod (301) is embedded in the inner sleeve (302), the other end of the telescopic rod is connected with the rotating assembly (200), and one end of the inner sleeve (302) is embedded in the outer sleeve (303);

the transition gear (305) is fixed on the inner sleeve (302), and racks (304) corresponding to the transition gear (305) are arranged on the telescopic rod (301) and the outer sleeve (303) respectively so as to realize the up-and-down movement of the telescopic rod (301) relative to the outer sleeve (303).

5. The measuring device for municipal engineering according to claim 4, characterized in that the lifting assembly (300) further comprises a limiting mechanism for limiting the position at which the telescopic rod (301) is lifted.

6. The measuring device for municipal engineering according to claim 5, wherein the limiting mechanism comprises a clamping seat (311) and a clamping rod (312), the clamping seat (311) is fixed on the inner sleeve (302), the clamping rod (312) is arranged above the inner sleeve (302), clamping holes (313) corresponding to the clamping rod (312) in size are formed in the periphery of the telescopic rod (301), and the lifting position of the telescopic rod (301) is defined by embedding the clamping rod (312) into the clamping holes (313).

7. The municipal engineering measuring device according to claim 1, wherein the leveling assembly (400) comprises a box (401), a ball (402), and a weight (403), wherein a spherical cavity (404) and a square cavity (405) are formed in the box (401), the ball (402) and the weight (403) are fixedly connected through a connecting rod (406), a gap is formed between the ball (402) and the spherical cavity (404), a ball (407) is arranged in the gap, and the weight (403) is acted by gravity, so that the ball (402) automatically adjusts the levelness.

8. The municipal engineering measuring device according to claim 7, wherein the horizontal adjusting assembly (400) further comprises a fixing mechanism, the fixing mechanism comprises a fixing plate (411), a fixing screw (412) and a threaded cavity (413), the fixing plate (411) is connected with one end of the fixing screw (412), the threaded cavity (413) is arranged in the box body (401), and the fixing and releasing of the sphere (402) are realized by adjusting the position of the fixing screw (412).

9. The measuring device for municipal engineering according to claim 1, characterized in that it further comprises a stand (500), wherein the stand (500) comprises three legs (501) that can adjust the telescoping, and wherein the stand (500) is removably attached under the leveling assembly (400).