CN116045142B

CN116045142B - Leveling instrument

Info

Publication number: CN116045142B
Application number: CN202310038956.XA
Authority: CN
Inventors: 戴莹; 刘雪荣; 梁佳雨; 董进虎; 毛书华
Original assignee: Hebei Xinblueprint Surveying And Mapping Co ltd
Current assignee: Hebei Xinblueprint Surveying And Mapping Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-06-09
Anticipated expiration: 2043-01-12
Also published as: CN116045142A

Abstract

The invention provides a leveling instrument, which comprises a mounting shell and a leveling instrument body, wherein a shielding ring which is detachably connected through bolts is arranged on the mounting shell, a bearing plate and two groups of mounting plates which are fixedly connected are arranged in the mounting shell, a first connecting frame at two ends of one group of mounting plates is respectively hinged with two groups of first hinging seats at the bottom of the inner side of the mounting shell, a second connecting frame at two ends of the other group of mounting plates is respectively hinged with two groups of second hinging seats at the bottom of the bearing plate, the two groups of mounting plates are respectively connected with the bottom of the inner side of the mounting plate and the bottom of the bearing plate through a group of adjusting components, a liquid storage ring is arranged at the bottom of the bearing plate, four groups of liquid columns are arranged on the liquid storage ring, four groups of signal transmitting components are arranged at the bottom of the bearing plate, each two groups of signal transmitting components are electrically connected with one group of the adjusting components, and the leveling instrument body is connected with a rotating shell on the bearing plate through a quick-dismantling mechanism. The leveling instrument can automatically level the leveling instrument body quickly without manually leveling the leveling instrument body, and improves the working efficiency of leveling measurement.

Description

Leveling instrument

Technical Field

The invention belongs to the technical field of highway construction equipment, and particularly relates to a leveling instrument.

Background

In the process of highway engineering design construction, leveling is one of the main methods for determining the elevation of highway engineering ground points, and is also a frequently used high-precision elevation measurement method, wherein the error control of the leveling instrument directly affects the quality of highway engineering to some extent. Along with the continuous development of science and technology, the precision of the level gauge is also continuously improved, so that highway engineering construction is more efficient and safer.

According to the Chinese patent of 202210813277.0, the supporting plate is arranged on the supporting plate, so that the contact area between the telescopic rod and the ground is increased, the stable support of the tripod is facilitated, the deviation of the measurement indication of the instrument in the reading process can be prevented, and the supporting plate can be stably placed on the ground with different gradients. In the prior art, the leveling instrument needs to be installed on the tripod for use, and when the ground placed by the tripod has a certain gradient, the traditional leveling instrument mostly needs to be manually matched with the bubble type leveling instrument for leveling, and cannot realize quick automatic leveling, so that the working efficiency of leveling measurement is reduced.

Disclosure of Invention

In order to solve the technical problems, the invention provides a leveling instrument, which aims to solve the technical problems that in the prior art, the leveling instrument needs to be installed on a tripod for use, and when the ground on which the tripod is placed has a certain inclination, the traditional leveling instrument mostly needs to be leveled manually and cannot be leveled automatically and quickly, so that the working efficiency of leveling is reduced.

The purpose and the efficacy of the leveling instrument are achieved by the following specific technical means:

the utility model provides a leveling instrument, includes installation shell and level body, the installation shell bottom is provided with the chassis, be provided with on the installation shell and dismantle the shielding ring of connection through the bolt, be provided with in the installation shell and hold tray and two sets of installation trays, two sets of the installation tray is connected through the stand, the inboard bottom of installation shell is provided with two sets of first articulated seats, one of them set of the first link at installation tray both ends respectively with two sets of articulated seats hinge, the support tray bottom is provided with two sets of second articulated seats, another set of the second link at installation tray both ends respectively with two sets of articulated seats hinge, two sets of the installation tray respectively with the inboard bottom of installation tray with the support tray bottom is connected through a set of adjusting part, the support tray bottom is provided with detachable liquid storage ring, be provided with four sets of liquid columns on the liquid storage ring, the support tray bottom is provided with four sets of signal transmission components, every two sets of signal transmission components with one of them set of adjusting part hinge, the second link at the support tray both ends respectively with two sets of adjusting part hinge, the second articulated seat hinge, two sets of second articulated seat, two sets of supporting tray bottom is provided with the quick-rotation mechanism.

In a preferred implementation manner, the signal transmitting assembly comprises a mounting frame, the mounting frame is detachably arranged at the bottom of the tray, the liquid column is arranged at the inner side of the mounting frame, an infrared transmitting piece and a light-operated switch are respectively arranged at two ends of the mounting frame, a scale groove is arranged on the liquid column, infrared light emitted by the infrared transmitting piece is located at the same height of the scale groove in the horizontal state of the liquid storage ring, mercury liquid is filled in the liquid storage ring, the liquid column is made of glass, and the liquid level of the mercury liquid is located at the position of the scale groove when the liquid storage ring is in the horizontal state.

In a preferred embodiment, the bottom of the bearing plate is provided with a detachable connecting column, the bottom of the connecting column is provided with a bearing frame, the liquid storage ring is clamped in the bearing frame, four groups of fixing frames connected through bolts are arranged on the bearing frame, and the inner sides of the fixing frames are in contact with the upper surface of the liquid storage ring; two groups of clamping plates are arranged on two sides of the mounting frame, a plurality of groups of clamping frames are arranged at the bottom of the bearing plate, and the clamping plates are clamped in the clamping frames and are connected with the clamping frames through bolts.

In a preferred embodiment, the adjusting assembly comprises two groups of transmission motors and a threaded column, the transmission motors are fixedly arranged on one side of a fixing plate on the mounting plate, two groups of mounting cylinders are arranged on the mounting plate, mounting wheels are arranged in the two groups of mounting cylinders, the threaded column is arranged in the mounting wheels in a penetrating manner and is in threaded fit with the mounting wheels, the two groups of photoswitches are respectively electrically connected with the two groups of transmission motors, an output shaft of each transmission motor is arranged in a first mounting hole formed in the mounting plate in a penetrating manner, a driving gear is arranged on the output shaft of each transmission motor, a driven gear is arranged at the bottom of each mounting wheel, the driving gear is meshed with the driven gear, one end of each threaded column is movably connected with the bottom of the inner side of the mounting shell, and one end of each threaded column is movably connected with the bottom of each supporting plate; one side of the installation shell is provided with a power source shell, a storage battery is arranged in the power source shell, the storage battery is electrically connected with the four groups of light-operated switches, and a control switch is arranged on the outer side of the installation shell.

In a preferred embodiment, the adjusting assembly further comprises a synchronizing wheel fixedly arranged at the bottom of the driven gear, the two groups of synchronizing wheels are connected through a synchronizing belt, the threads of the two groups of threaded columns in each adjusting assembly are opposite in rotation direction, a connecting plate is arranged at the bottom of each threaded column, two groups of first positioning columns are arranged on the connecting plate, and the two groups of first positioning columns penetrate through first positioning holes formed in the mounting plate.

In a preferred embodiment, one end of each of the four groups of threaded columns is provided with a connecting ball, two groups of connecting shells installed through bolts are arranged at the bottom of the inner side of the installation shell and the bottom of the bearing plate, a group of connecting discs are movably clamped in the connecting shells, an arc-surface shell is arranged at the bottom of each connecting disc, and four groups of connecting balls are respectively rotatably clamped in the four groups of arc-surface shells.

In a preferred embodiment, a support column is arranged on the bearing tray, a connecting cylinder is arranged at the bottom of the rotating shell, and the connecting cylinder is rotatably sleeved on the support column; one side of the rotating shell is provided with a handle, and a first anti-slip sleeve is sleeved on the handle.

In a preferred implementation mode, the quick detach mechanism is including lifting frame and two sets of adjustable shelves, be provided with the drive post in the lifting frame, the both ends of lifting frame all are provided with two sets of installation pole, every two sets of the installation pole wears to establish in two sets of second mounting holes of seting up on the adjustable shelf, be provided with two sets of swash plates on the adjustable shelf, slide the card between two sets of locating racks in the rotation shell and be equipped with a set of push pedal, the one end of push pedal is provided with the push plate, and the other end is provided with the inclined frame, the inclined frame cover is established on the drive post, be provided with detachable shielding lid on the rotation shell, four sets of first inclined grooves have been seted up on the shielding lid, four sets of second inclined grooves have been seted up to the connecting seat bottom of spirit level body bottom, every set of swash plate all block and establish in one set of first inclined groove and one set of in the second inclined groove.

In a preferred embodiment, four groups of second positioning holes are formed in the lifting frame, four groups of second positioning columns are arranged in the rotating shell, the four groups of second positioning columns penetrate through the four groups of second positioning holes respectively, first reset springs are sleeved on the second positioning columns, two ends of the first reset springs are contacted with the lifting frame and the inner bottom surface of the rotating shell respectively, second reset springs are sleeved on the four groups of mounting rods respectively, and two ends of the second reset springs are contacted with the lifting frame and the movable frame respectively.

In a preferred embodiment, four groups of alignment holes are formed in the connecting seat, four groups of alignment posts are arranged on the baffle cover, the four groups of alignment posts are respectively clamped in the four groups of alignment holes, a lifting ring which is installed through an installation shaft is arranged on the level body, and a second anti-slip sleeve is sleeved on the lifting ring.

Compared with the prior art, the invention has the following beneficial effects:

1. when the leveling instrument is used, the chassis is fixed on the tripod, and the leveling instrument body is supported by the tripod. When the ground has certain inclination, the device is electrified to carry out self-adjustment by pressing the control switch, the liquid storage ring is in an inclined state in the initial state, so that infrared rays emitted by one group or two groups of infrared emission components can penetrate through a liquid column and then reach the photoswitch, a group of transmission motors at the other side are triggered to start to control the driving gear to rotate, the driving gear and the driven gear are matched to drive the mounting wheel to rotate, the threaded column is matched with the first positioning column and the first positioning hole to move up and down, the synchronous wheels at the bottoms of the two groups of mounting wheels are connected through the synchronous belt, the two groups of threaded columns in each group of adjusting components rotate in opposite directions, one group of threaded columns control the other group of threaded columns in the same adjusting component to descend in the ascending process, and accordingly drive the bearing plate to rotate along the second hinging seat, one group of mounting plates are controlled to rotate along the first hinging seat in a similar way, until the liquid storage ring is in a horizontal state, and the infrared switches emitted by the four groups of infrared emission components are not required to be shielded by mercury liquid and cannot be transmitted to the photoswitch, so that the leveling instrument body can be automatically leveled, and the leveling instrument body can be carried out manually, and the leveling efficiency of leveling instrument is improved.

2. The leveling instrument can be used for rapidly installing and dismantling the leveling instrument body, the push plate is driven to move between the two groups of positioning frames by pressing the pressing plate so as to drive the inclined frame to push, the inclined frame drives the lifting frame to descend through the cooperation of the inclined frame and the transmission column in the pushing process, the lifting frame controls the two groups of movable frames to transversely slide and fold along the installation rod in the descending process, further the four groups of inclined plates respectively slide and fold downwards along the four groups of first inclined grooves, the leveling instrument body can be placed on the baffle cover for installation, after the leveling instrument body is placed, the pressing plate is only required to be loosened, the four groups of inclined plates are controlled to reset and clamped into the four groups of second inclined grooves at the bottom of the connecting seat under the action of the first reset spring and the second reset spring, the installation of the leveling instrument body can be completed, the leveling instrument body is more conveniently and rapidly installed, and the practical value of the leveling instrument is improved.

Drawings

FIG. 1 is a schematic view of an assembled level gauge of the present invention.

Fig. 2 is a schematic view of the structure of a mounting case in a leveling instrument according to the present invention.

FIG. 3 is a schematic view of the mounting structure of the bottom surface parts of the pallet in the leveling instrument according to the present invention.

Fig. 4 is a schematic view of a mounting structure of a liquid storage ring in a leveling instrument according to the present invention.

Fig. 5 is a schematic view of the bottom structure of the tray in the leveling instrument according to the present invention.

Fig. 6 is a schematic view of the structure of the leveling instrument after the adjustment assembly is disassembled.

Fig. 7 is a schematic view of a connection structure of two sets of mounting plates in a leveling instrument according to the present invention.

Fig. 8 is a schematic view of the structure of a rotary housing in a leveling instrument according to the present invention.

Fig. 9 is a schematic view of the bottom surface structure of the level body in a level gauge according to the present invention.

Fig. 10 is a schematic view of the structure of the leveling instrument according to the present invention after the inner parts of the rotating housing are disassembled.

Fig. 11 is an enlarged schematic view of region a in fig. 6.

Fig. 12 is an enlarged schematic view of region b in fig. 10.

In the figure, the correspondence between the component names and the drawing numbers is:

101. a chassis; 102. a mounting shell; 103. a power source housing; 105. a storage battery; 106. a control switch; 107. a first hinge base; 108. a shielding ring; 201. a tray; 202. a clamping frame; 203. the second hinge seat; 204. a support column; 205. a connecting column; 206. a bearing frame; 207. a fixing frame; 208. a liquid storage ring; 209. a liquid column; 210. a scale groove; 301. a mounting plate; 302. a first connection frame; 303. a second connecting frame; 304. a column; 305. a mounting cylinder; 306. a first mounting hole; 307. a first positioning hole; 401. a mounting frame; 402. a clamping plate; 403. an infrared emitting member; 404. a light-operated switch; 501. a fixing plate; 502. a drive motor; 503. a drive gear; 504. a mounting wheel; 505. a driven gear; 506. a synchronizing wheel; 507. a synchronous belt; 601. a threaded column; 602. a connecting ball; 603. a connecting plate; 604. a first positioning column; 605. a cambered surface shell; 606. a connecting disc; 607. a connection housing; 701. rotating the shell; 702. a connecting cylinder; 703. a handle; 704. a first anti-skid sleeve; 705. a positioning frame; 706. a second positioning column; 707. a first return spring; 708. a lifting frame; 709. a drive column; 710. a second positioning hole; 801. a mounting rod; 802. a movable frame; 803. a sloping plate; 804. a second mounting hole; 805. an inclined frame; 806. a push plate; 807. pressing the plate; 808. a second return spring; 901. a blocking cover; 902. a first chute; 903. a positioning column; 904. a level body; 905. a connecting seat; 906. an alignment hole; 907. a second chute; 908. a mounting shaft; 909. a lifting ring; 910. and a second anti-skid sleeve.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the technical scheme of the present invention, but are not intended to limit the scope of the present invention.

Examples:

as shown in fig. 1 to 4, the invention provides a leveling instrument, which comprises a mounting shell 102 and a leveling instrument body 904, wherein a chassis 101 is arranged at the bottom of the mounting shell 102, a shielding ring 108 detachably connected through bolts is arranged on the mounting shell 102, a tray 201 and two groups of mounting plates 301 are arranged in the mounting shell 102, the two groups of mounting plates 301 are connected through upright posts 304, two groups of first hinging seats 107 are arranged at the bottom of the inner side of the mounting shell 102, first connecting frames 302 at two ends of one group of mounting plates 301 are respectively hinged with the two groups of first hinging seats 107, two groups of second hinging seats 203 are arranged at the bottom of the tray 201, second connecting frames 303 at two ends of the other group of mounting plates 301 are respectively hinged with the two groups of second hinging seats 203, and the two groups of mounting plates 301 are respectively connected with the bottom of the inner side of the mounting plates 301 and the bottom of the tray 201 through one group of adjusting components.

The leveling instrument is used for fixedly mounting the chassis 101 and a tripod (not shown) through bolts, and placing the tripod on the ground to support the leveling instrument body 904, so that highway measurement work is performed. When the tripod is placed on the ground, the mounting plate 301 is controlled to rotate along the first hinging seat 107 through one group of adjusting components, the tray 201 is controlled to rotate along the second hinging seat 203 through the other group of adjusting components, the axes of the two groups of first hinging seats 107 and the axes of the two groups of second hinging seats 203 are in a vertical state on the horizontal plane, and the tray 201 can be controlled to conduct angle adjustment in two vertical directions through the two groups of adjusting components, so that the level body 904 is quickly adjusted to be in a horizontal state, and the working efficiency of highway measurement is improved.

The bottom of the bearing tray 201 is provided with a detachable liquid storage ring 208, four groups of liquid columns 209 are arranged on the liquid storage ring 208, the bottom of the bearing tray 201 is provided with four groups of signal emission components, every two groups of signal emission components are electrically connected with one group of adjusting components, the bearing tray 201 is provided with a rotatable rotating shell 701, and a level body 904 is connected with the rotating shell 701 through a quick-dismantling mechanism. When the tripod is in an inclined state, the two groups of adjusting components are controlled to operate respectively through the four groups of signal transmitting components, so that the purpose of self-adaptive adjustment can be achieved, and in the use process, the installation and the disassembly of the level body 904 can be completed rapidly through the quick-disassembly mechanism, so that the practicability of the level measuring instrument is improved.

As shown in fig. 4, the signal emission component includes a mounting frame 401, the mounting frame 401 is detachably disposed at the bottom of the supporting plate 201, the liquid column 209 is disposed inside the mounting frame 401, two ends of the mounting frame 401 are respectively provided with an infrared emission part 403 and a light-operated switch 404, the liquid column 209 is provided with a scale groove 210, under the horizontal state of the liquid storage ring 208, infrared light emitted by the infrared emission part 403 is located at the same height of the scale groove 210, the liquid storage ring 208 is filled with mercury liquid, the liquid column 209 is made of glass, and the liquid level of the mercury liquid is located at the position of the scale groove 210 when the liquid storage ring 208 is in the horizontal state.

When the tripod is in an inclined state, the liquid storage ring 208 in the initial state is also in an inclined state, the principle of the communicating vessel is adopted to know that the mercury liquid in the four groups of liquid columns 209 is always in the same plane, and infrared light can be shielded by utilizing the characteristic of light-tightness of the mercury liquid, so that infrared light emitted by the infrared emitting piece 403 at a higher position can be transmitted into the corresponding light-operated switch 404, and the light-operated switch 404 is used for controlling the operation of the regulating mechanism, so that the purpose of automatic leveling is achieved. Until the liquid storage ring 208 is adjusted to be horizontal, the infrared light emitted by the four groups of infrared emitting elements 403 is just shielded by mercury liquid, and the liquid level of the mercury liquid is slightly higher than the position of 0.2mm to 0.4mm of infrared light, so that the accuracy of automatic leveling can be greatly improved.

As shown in fig. 4 and 5, a detachable connecting column 205 is arranged at the bottom of the tray 201, a bearing frame 206 is arranged at the bottom of the connecting column 205, a liquid storage ring 208 is clamped in the bearing frame 206, four groups of fixing frames 207 connected by bolts are arranged on the bearing frame 206, and the inner sides of the fixing frames 207 are contacted with the upper surface of the liquid storage ring 208; two groups of clamping plates 402 are arranged on two sides of the mounting frame 401, a plurality of groups of clamping frames 202 are arranged at the bottom of the bearing disc 201, and the clamping plates 402 are clamped in the clamping frames 202 and are connected with the clamping frames through bolts.

The bearing frame 206 is used for installing and fixing the liquid storage ring 208, and the liquid storage ring 208 is fixed at the bottom of the bearing tray 201 through the cooperation of the fixing frame 207 and bolts, so that the position of the four groups of liquid columns 209 is prevented from shifting in the using process. The mounting frame 401 can be placed at the bottom of the supporting disc 201, the mounting frame 401 is transversely slid to enable the four groups of clamping plates 402 to slide into the corresponding clamping frames 202, the mounting frame 401 is fixed through bolts, the mounting of the infrared emitting piece 403 and the light-operated switch 404 is completed, and even if the bolts are loosened, the mounting frame 401 cannot move up and down, so that the reliability of the leveling instrument is greatly improved.

As shown in fig. 3 to 7 and 11, the adjusting assembly comprises two groups of transmission motors 502 and screw columns 601, the transmission motors 502 are fixedly arranged on one side of a fixed plate 501 on a mounting plate 301, two groups of mounting cylinders 305 are arranged on the mounting plate 301, mounting wheels 504 are arranged in the two groups of mounting cylinders 305, the screw columns 601 are arranged in the mounting wheels 504 in a penetrating manner and are in threaded fit with the mounting wheels, two groups of photoswitches 404 are respectively electrically connected with the two groups of transmission motors 502, output shafts of the transmission motors 502 are arranged in first mounting holes 306 formed in the mounting plate 301 in a penetrating manner, driving gears 503 are arranged on output shafts of the transmission motors 502, driven gears 505 are arranged at the bottoms of the mounting wheels 504, the driving gears 503 are meshed with the driven gears 505, one ends of the two groups of screw columns 601 are movably connected with the bottoms of the inner sides of the mounting shell 102, and one ends of the other two groups of screw columns 601 are movably connected with the bottoms of the supporting plate 201; a power supply shell 103 is arranged on one side of the installation shell 102, a storage battery 105 is arranged in the power supply shell 103, the storage battery 105 is electrically connected with four groups of light-operated switches 404, and a control switch 106 is arranged on the outer side of the installation shell 102.

When the support tray 201 is at an inclined angle, one or two infrared emitting elements 403 emit infrared light to the photoswitch 404, the photoswitch 404 is electrically connected to a group of transmission motors 502 farthest therefrom, and when the photoswitch 404 receives the infrared light, the transmission motors 502 are controlled to be started, and the circuit control principle is a common technical means for those skilled in the relevant arts, and no description is repeated here. The drive motor 502 is activated to control the rotation of the drive gear 503, thereby controlling the rotation of the mounting wheel 504 within the mounting cylinder 305 through the engagement of the drive gear 503 with the driven gear 505.

As shown in fig. 6 and 7, the adjusting assembly further includes a synchronizing wheel 506 fixedly disposed at the bottom of the driven gear 505, the two sets of synchronizing wheels 506 are connected by a synchronous belt 507, the threads of the two sets of threaded columns 601 in each set of adjusting assembly are opposite in rotation direction, a connecting plate 603 is disposed at the bottom of the threaded columns 601, two sets of first positioning columns 604 are disposed on the connecting plate 603, and the two sets of first positioning columns 604 are disposed in the first positioning holes 307 formed on the mounting plate 301 in a penetrating manner.

When one group of transmission motors 502 is started, the other group of transmission motors 502 in the same group of adjusting components are in an unactuated state, namely, the two groups of installation wheels 504 can be driven to rotate in the same direction simultaneously through the cooperation of the synchronous belt 507 and the two groups of synchronous wheels 506, and as the screw threads of the two groups of screw threads 601 rotate in opposite directions, one group of screw threads 601 controls the other group of screw threads 601 to descend in the ascending process, so that the bearing plate 201 and the installation plate 301 can rotate along the first hinging seat 107 and the second hinging seat 203 respectively, and leveling of the leveling instrument body 904 is completed.

As shown in fig. 3, 6 and 7, one end of each of four sets of threaded posts 601 is provided with a connecting ball 602, two sets of connecting shells 607 mounted by bolts are respectively arranged at the bottom of the inner side of the mounting shell 102 and the bottom of the bearing plate 201, a set of connecting discs 606 are movably clamped in the connecting shells 607, cambered surface shells 605 are arranged at the bottoms of the connecting discs 606, and the four sets of connecting balls 602 are respectively rotatably clamped in the four sets of cambered surface shells 605.

The connecting ball 602 can rotate in the cambered surface shell 605 in the lifting process of the threaded column 601 so as to adapt to the angle between the connecting ball 602 and the connecting disc 606, and the connecting disc 606 can linearly slide in the connecting shell 607 so as to adapt to the position offset of the end point of the threaded column 601, thereby smoothly leveling the level body 904.

As shown in fig. 3 and 8, a support column 204 is arranged on the tray 201, a connecting cylinder 702 is arranged at the bottom of the rotating shell 701, and the connecting cylinder 702 is rotatably sleeved on the support column 204; a handle 703 is arranged on one side of the rotary shell 701, and a first anti-slip sleeve 704 is sleeved on the handle 703. The rotation housing 701 can be rotated by the handle 703 so that the coupling cylinder 702 rotates on the support column 204, thereby adjusting the measurement angle of the level body 904.

As shown in fig. 8, 9, 10 and 12, the quick-dismantling mechanism comprises a lifting frame 708 and two groups of movable frames 802, a transmission column 709 is arranged in the lifting frame 708, two groups of mounting rods 801 are arranged at two ends of the lifting frame 708, each two groups of mounting rods 801 are arranged in two groups of second mounting holes 804 formed in one group of movable frames 802 in a penetrating manner, two groups of inclined plates 803 are arranged on the movable frames 802, a group of push plates 806 are clamped between two groups of positioning frames 705 in the rotating shell 701 in a sliding manner, one end of each push plate 806 is provided with a pressing plate 807, the other end of each push plate 806 is provided with an inclined frame 805, the inclined frames 805 are sleeved on the transmission column 709, a detachable blocking cover 901 is arranged on the rotating shell 701, four groups of first inclined grooves 902 are formed in the blocking cover 901, four groups of second inclined grooves 907 are formed in the bottom of a connecting seat 905 at the bottom of the level body 904, and each group of inclined plates 803 are clamped in one group of first inclined grooves 902 and one group of second inclined grooves 907.

Four groups of second positioning holes 710 are formed in the lifting frame 708, four groups of second positioning columns 706 are arranged in the rotating shell 701, the four groups of second positioning columns 706 are respectively arranged in the four groups of second positioning holes 710 in a penetrating mode, first return springs 707 are sleeved on the second positioning columns 706, two ends of the first return springs 707 are respectively contacted with the lifting frame 708 and the inner bottom surface of the rotating shell 701, second return springs 808 are respectively sleeved on the four groups of mounting rods 801, and two ends of the second return springs 808 are respectively contacted with the lifting frame 708 and the movable frame 802.

The leveling instrument can also be used for rapidly installing and dismantling the leveling instrument body 904, the push plate 806 is driven to move between the two groups of positioning frames 705 by pressing the pressing plate 807 so as to drive the inclined frame 805 to push, the inclined frame 805 drives the lifting frame 708 to descend through the cooperation of the inclined frame 805 and the transmission column 709 in the pushing process, and the movement of the lifting frame 708 cannot deviate due to the cooperation positioning of the second positioning holes 710 and the second positioning columns 706.

The lifting frame 708 controls the two groups of movable frames 802 to transversely slide and fold along the mounting rod 801 in the descending process, so that the four groups of inclined plates 803 respectively slide and fold along the four groups of first inclined grooves 902 obliquely downwards, the leveling instrument body 904 can be placed on the baffle cover 901 for mounting, after the leveling instrument body 904 is placed, the pressing plate 807 is only required to be loosened, the four groups of inclined plates 803 are controlled to reset and be clamped in the four groups of second inclined grooves 907 at the bottom of the connecting seat 905 under the action of the first reset spring 707 and the second reset spring 808, the mounting of the leveling instrument body 904 can be completed, the mounting of the leveling instrument body 904 is more convenient and quick, and the practical value of the leveling instrument is improved.

As shown in fig. 8 and 9, four sets of alignment holes 906 are formed in the connection seat 905, four sets of alignment posts 903 are provided on the cover 901, the four sets of alignment posts 903 are respectively clamped in the four sets of alignment holes 906, a lifting ring 909 mounted by a mounting shaft 908 is provided on the level body 904, and a second anti-slip sleeve 910 is sleeved on the lifting ring 909. The alignment hole 906 and the alignment post 903 are matched, so that the level body 904 is more convenient to install and place, and the working efficiency of installing the level body 904 is improved. The bail 909 is provided to facilitate carrying of the level body 904.

Specific use and action of the embodiment:

in use, the level gauge secures the chassis 101 to a tripod, through which the level body 904 is supported. When the ground has certain inclination, the device is electrified to perform self-adjustment by pressing the control switch 106, the liquid storage ring 208 is in an inclined state in the initial state, so that one or two groups of infrared emission pieces 403 can penetrate through the liquid column 209 and then reach the photoswitch 404, one group of transmission motors 502 on the other side is triggered to start to control the driving gear 503 to rotate, the mounting wheel 504 is driven to rotate through the cooperation of the driving gear 503 and the driven gear 505, as the threaded column 601 is matched by the first positioning column 604 and the first positioning hole 307 and can only move up and down, the synchronous wheels 506 at the bottoms of the two groups of mounting wheels 504 are connected through the synchronous belt 507, and the two groups of threaded columns 601 in each group of adjusting components are rotated reversely, one group of threaded columns 601 is controlled to descend in the same adjusting component in the ascending process, so that the bearing tray 201 is driven to rotate along the second hinging seat 203, one group of mounting discs 301 is controlled to rotate along the first hinging seat 107 until the liquid storage ring 505 is in a horizontal state, the infrared shielding switch emitted by the four groups of infrared emission pieces 403 is blocked by the first positioning column 604, the leveling device can not need to perform manual leveling of the leveling device, and the leveling device can not perform manual leveling of the leveling device 404.

While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments.

Claims

1. A leveling instrument, characterized in that: the device comprises a mounting shell (102) and a level body (904), wherein a chassis (101) is arranged at the bottom of the mounting shell (102), a shielding ring (108) detachably connected through bolts is arranged on the mounting shell (102), a tray (201) and two groups of mounting plates (301) are arranged in the mounting shell (102), the two groups of mounting plates (301) are connected through upright posts (304), two groups of first hinging seats (107) are arranged at the bottom of the inner side of the mounting shell (102), first connecting frames (302) at two ends of one group of mounting plates (301) are respectively hinged with the two groups of first hinging seats (107), two groups of second hinging seats (203) are arranged at the bottom of the bearing plate (201), second connecting frames (303) at two ends of the other group of mounting plates (301) are respectively hinged with the two groups of second hinging seats (203), the two groups of mounting plates (301) are respectively hinged with the bottom of the inner side of the mounting plates (301) and the bottom of the bearing plate (201) through one group of adjusting components, the two groups of signal transmitting components (208) are respectively connected with the bottom of the four groups of transmitting components (208), signal transmitting components (209) are arranged on the bottom of the four groups of transmitting components, the bearing plate (201) is provided with a rotatable rotating shell (701), and the level body (904) is connected with the rotating shell (701) through a quick-dismantling mechanism; the quick-dismantling mechanism comprises a lifting frame (708) and two groups of movable frames (802), wherein a transmission column (709) is arranged in the lifting frame (708), two groups of mounting rods (801) are arranged at two ends of the lifting frame (708), every two groups of mounting rods (801) are arranged in two groups of second mounting holes (804) formed in one group of movable frames (802) in a penetrating mode, two groups of inclined plates (803) are arranged on the movable frames (802), a group of push plates (806) are clamped between two groups of positioning frames (705) in the rotary shell (701) in a sliding mode, one end of each push plate (806) is provided with a pressing plate (807), the other end of each push plate is provided with an inclined frame (805), the inclined frames (805) are sleeved on the transmission column (709), four groups of first inclined grooves (902) are arranged on the rotary shell (701), four groups of connecting seats (905) at the bottom of the rotary shell (904) are provided with four groups of inclined grooves (907), and each group of inclined grooves (907) are clamped in the first group of inclined grooves (907); four groups of second positioning holes (710) are formed in the lifting frame (708), four groups of second positioning columns (706) are arranged in the rotating shell (701), the four groups of second positioning columns (706) are respectively arranged in the four groups of second positioning holes (710) in a penetrating mode, first return springs (707) are sleeved on the second positioning columns (706), two ends of the first return springs (707) are respectively contacted with the lifting frame (708) and the inner bottom surface of the rotating shell (701), four groups of second return springs (808) are respectively sleeved on the mounting rods (801), and two ends of the second return springs (808) are respectively contacted with the lifting frame (708) and the movable frame (802).

2. A level gauge according to claim 1, characterized in that: the signal emission assembly comprises a mounting frame (401), the detachable setting of mounting frame (401) is in tray (201) bottom, liquid column (209) set up mounting frame (401) are inboard, both ends of mounting frame (401) are provided with infrared emission spare (403) and photoswitch (404) respectively, be provided with scale groove (210) on liquid column (209), liquid storage ring (208) horizontality infrared light that infrared emission spare (403) transmitted is located scale groove (210) same height, liquid storage ring (208) intussuseption is filled with mercury liquid, liquid column (209) are glass material, liquid storage ring (208) are the horizontality the liquid level of mercury liquid is located scale groove (210) position.

3. A level gauge according to claim 2, characterized in that: the bottom of the bearing plate (201) is provided with a detachable connecting column (205), the bottom of the connecting column (205) is provided with a bearing frame (206), the liquid storage ring (208) is clamped in the bearing frame (206), four groups of fixing frames (207) connected through bolts are arranged on the bearing frame (206), and the inner side of the fixing frames (207) is in contact with the upper surface of the liquid storage ring (208); two groups of clamping plates (402) are arranged on two sides of the mounting frame (401), a plurality of groups of clamping frames (202) are arranged at the bottom of the bearing disc (201), and the clamping plates (402) are clamped in the clamping frames (202) and are connected with the clamping frames through bolts.

4. A level gauge according to claim 2, characterized in that: the adjusting component comprises two groups of transmission motors (502) and threaded columns (601), wherein the transmission motors (502) are fixedly arranged on one side of a fixed plate (501) on a mounting disc (301), two groups of mounting cylinders (305) are arranged on the mounting disc (301), mounting wheels (504) are arranged in the two groups of mounting cylinders (305), the threaded columns (601) are arranged in the mounting wheels (504) in a penetrating manner and are in threaded fit with the mounting wheels, the two groups of light-operated switches (404) are respectively and electrically connected with the two groups of transmission motors (502), an output shaft of each transmission motor (502) is arranged in a penetrating manner in a first mounting hole (306) formed in the mounting disc (301), a driving gear (503) is arranged on an output shaft of each transmission motor (502), a driven gear (505) is arranged at the bottom of each mounting wheel (504), one end of each threaded column (601) is movably connected with the bottom of the inner side of each mounting shell (102), and the other threads of the two groups of light-operated switches (601) are movably connected with one end of each threaded column (201); one side of the installation shell (102) is provided with a power supply shell (103), a storage battery (105) is arranged in the power supply shell (103), the storage battery (105) is electrically connected with four groups of light-operated switches (404), and a control switch (106) is arranged on the outer side of the installation shell (102).

5. A level gauge as defined in claim 4, wherein: the adjusting assembly further comprises a synchronizing wheel (506) fixedly arranged at the bottom of the driven gear (505), the two groups of synchronizing wheels (506) are connected through a synchronous belt (507), the threads of the threaded columns (601) in each group of adjusting assembly are opposite in rotation direction, a connecting plate (603) is arranged at the bottom of each threaded column (601), two groups of first positioning columns (604) are arranged on the connecting plate (603), and the two groups of first positioning columns (604) are arranged in first positioning holes (307) formed in the mounting plate (301) in a penetrating mode.

6. A level gauge as defined in claim 4, wherein: four sets of screw thread post (601) one end all is provided with connecting ball (602), install inboard bottom of shell (102) with bearing dish (201) bottom all is provided with two sets of connection shells (607) of installing through the bolt, connection shell (607) internal activity card is equipped with a set of connection pad (606), connection pad (606) bottom is provided with cambered surface shell (605), four sets of connecting ball (602) rotatable card respectively is established in four sets of cambered surface shell (605).

7. A level gauge according to claim 1, characterized in that: the bearing plate (201) is provided with a support column (204), the bottom of the rotating shell (701) is provided with a connecting cylinder (702), and the connecting cylinder (702) is rotatably sleeved on the support column (204); one side of the rotating shell (701) is provided with a handle (703), and a first anti-slip sleeve (704) is sleeved on the handle (703).

8. A level gauge according to claim 1, characterized in that: four sets of alignment holes (906) are formed in the connecting seat (905), four sets of alignment posts (903) are arranged on the retaining cover (901), the four sets of alignment posts (903) are respectively clamped in the four sets of alignment holes (906), a lifting ring (909) which is installed through an installation shaft (908) is arranged on the level body (904), and a second anti-slip sleeve (910) is sleeved on the lifting ring (909).