CN218956792U

CN218956792U - Laser range finder base

Info

Publication number: CN218956792U
Application number: CN202222734278.4U
Authority: CN
Inventors: 阚晓飞; 牛春明; 李丽; 郑海; 蒋佛保; 董彦平
Original assignee: Beijing Ruite Engineering Construction Supervision Co ltd
Current assignee: Beijing Ruite Engineering Construction Supervision Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-05-02
Anticipated expiration: 2032-10-17

Abstract

The application relates to the technical field of measuring equipment and discloses a laser range finder base, which comprises a substrate, the base plate top is equipped with the leveling board, is equipped with the leveling mechanism that is used for adjusting the leveling board and keeps the horizontality between base plate and the leveling board, and leveling mechanism includes a plurality of height-adjustable's lifter subassembly, and the leveling board top is equipped with the fixture that is used for centre gripping laser range finder. The laser range finder is convenient to install, high in measurement accuracy, convenient to adjust the base and high in practicality.

Description

Laser range finder base

Technical Field

The application relates to the technical field of measuring equipment, in particular to a laser range finder base.

Background

Along with the birth of laser ranging technology, the rapid development of modern electronic technology and the continuous improvement of the performance of photoelectric devices, a laser range finder is a main instrument for measuring distance and is quickly applied to various measuring fields, the laser range finder is an instrument for accurately measuring the distance of a target by utilizing laser, a very thin laser beam is emitted to the target during working, the photoelectric element receives the laser beam reflected by the target, and a timer measures the time from the emission to the reception of the laser beam and calculates the distance from an observer to the target.

The measuring base is essential basic equipment in measuring work and plays a key role in connecting a measuring instrument. When a traditional measuring base measures a certain monitoring point, angle deviation is easy to occur, the precision of base adjustment is poor, the adjustment is time-consuming and labor-consuming, and the like, and the measuring precision and efficiency are affected.

Disclosure of Invention

In order to facilitate the installation of a laser range finder, measurement accuracy is improved, adjustment of a base is facilitated, and practicality is improved.

The above application object of the present application is achieved by the following technical solutions:

the utility model provides a laser range finder base, includes the base plate, the base plate top is equipped with the leveling board, be equipped with the leveling mechanism that is used for adjusting the leveling board and keeps the horizontality between base plate and the leveling board, leveling mechanism includes a plurality of height-adjustable's lifter subassembly, the leveling board top is equipped with the fixture that is used for centre gripping laser range finder.

Through adopting above-mentioned technical scheme, fixture centre gripping corresponding size's laser rangefinder, according to the incline direction of leveling board, through adjusting the lifter subassembly of relevant position, make the regulating plate reach the horizontality, guarantee that the laser of laser rangefinder transmission is the horizontal emission, improve measuring precision.

Preferably, the lifting rod assembly comprises a lower lead screw, an upper lead screw, an adjusting nut and a ball joint, wherein the lower lead screw is fixedly connected to the upper surface of the base plate and is vertical to the base plate, the ball joint comprises a ball and a ball seat, the ball is fixed at the top of the lower lead screw, the ball seat comprises an upper shell, a lower shell and a fixing screw, the fixing screw is fixedly connected to one side of the upper shell, the upper shell is fixedly connected with a leveling plate through the fixing screw, a hemispherical cavity is arranged on the other side of the upper shell, a containing cavity is arranged on the lower shell, the hemispherical cavity and the containing cavity jointly form a ball socket, the ball is contained in the ball socket, and the upper shell is connected with the lower shell through a connecting piece; the threads between the upper lead screw and the lower lead screw are reversed, and the adjusting nut is in threaded connection between the upper lead screw and the lower lead screw.

Through adopting above-mentioned technical scheme, rotatory adjusting nut can adjust the distance between corresponding last lead screw and the lower lead screw to realize the vertical height of leveling board relevant position, can be fast with leveling board adjustment to the horizontality, set up the ball joint, can guarantee the multi freedom of lifter group, avoid the interference problem in the adjustment process.

Preferably, the ball head is in a sphere shape, the diameter of the ball head is larger than the outer diameter of the lower screw rod, and the axis of the lower screw rod passes through the center of the ball head.

Through adopting above-mentioned technical scheme, the bulb diameter is greater than lower lead screw external diameter, and lower lead screw axis passes bulb center, can guarantee the articulated rotation of bulb joint, improves the efficiency of leveling.

Preferably, the lower housing is provided with an opening communicating with the accommodating chamber.

Through adopting above-mentioned technical scheme, the lower casing is equipped with the communicating opening of holding chamber, can conveniently install the bulb in the holding chamber of lower casing, realizes the cooperation of bulb and ball socket.

Preferably, the upper end of the lower lead screw is provided with a guide rod extending upwards along the length direction, the section of the guide rod is polygonal, and the upper lead screw is provided with an insertion hole matched with the guide rod along the length direction.

Through adopting above-mentioned technical scheme, the cross-section is polygonal guide bar and inserts in the jack, at adjusting nut rotation in-process, can turn into adjusting nut's rotation and go up lead screw and lower lead screw along the rectilinear motion of guide bar, and the guide bar can prevent that upper prop or lower prop from taking place relative rotation to realize upper prop and lower prop and be close to each other or keep away from, realize the leveling of lifter subassembly to the slab.

Preferably, the connecting piece is a connecting screw, at least one pair of mounting holes are formed in the lower shell along the circumferential direction, and the connecting screw penetrates through the mounting holes and is matched with corresponding screw holes formed in the joint surface of the upper shell.

Through adopting above-mentioned technical scheme, connecting screw passes the mounting hole and with corresponding screw threaded connection, realizes the installation and the maintenance of lower casing and last casing.

Preferably, the upper shell and the lower shell are provided with positioning components on the joint surface, the positioning components comprise positioning grooves uniformly distributed on the joint surface of the upper shell along the circumferential direction, and the joint surface of the lower shell is provided with positioning blocks corresponding to the positioning grooves.

Through adopting above-mentioned technical scheme, the adaptation joint of constant head tank and locating piece can guarantee the center coincidence of the hemisphere chamber of last casing and the holding chamber of lower casing, guarantees the adaptation of bulb and ball socket.

Preferably, the fixture comprises two fixed clamping blocks and movable clamping blocks which are oppositely arranged, the fixed clamping blocks are fixedly connected to a leveling plate, a chute perpendicular to the fixed clamping blocks is formed in the leveling plate, the movable clamping blocks are slidably arranged on the chute, the movable clamping blocks are far away from a sliding rod parallel to the chute and fixedly connected to one side of the fixed clamping blocks, a supporting plate is arranged on one side of the leveling plate, close to the sliding rod, of the leveling plate, a spring is sleeved on the sliding rod between the supporting plate and the movable clamping blocks, and a handle is arranged on the sliding rod outside the supporting plate.

Through adopting above-mentioned technical scheme, the spring can drive movable grip block and be close to fixed grip block direction, when using, can pull open movable grip block earlier, place the laser rangefinder between fixed grip block and the movable grip block, stop the application of force to movable grip block, under the spring effect, movable grip block and fixed grip block clamp laser rangefinder, and fixture can the laser rangefinder of multiple different specifications of centre gripping, has improved the commonality of this base.

Preferably, the upper surface of the leveling plate is provided with a level bubble; the level gauge bubble is arranged in two and is respectively arranged along the front-back direction and the left-right direction.

Through adopting above-mentioned technical scheme, the horizontal degree of direction about the leveling plate can be instructed in the horizontal direction setting of spirit level bubble, and the horizontal degree of direction around the leveling plate can be instructed in the horizontal direction setting around the spirit level bubble, is convenient for carry out corresponding leveling operation to the leveling plate.

In summary, the beneficial technical effects of the application are:

according to the leveling device, the leveling mechanism is arranged, so that the leveling plate can be quickly leveled, and the measurement accuracy of the laser range finder is ensured; the laser range finders with different specifications and sizes can be clamped through the clamping mechanism, and the application range of the base is improved.

Drawings

FIG. 1 is a schematic structural view of the present application;

FIG. 2 is a cross-sectional view of the present application;

FIG. 3 is an exploded view of the tee of the present application;

fig. 4 is a schematic view of the upper housing structure of the present application.

Illustration, 1, a substrate; 2. leveling plates; 21. a chute; 22. a support plate; 3. a leveling mechanism; 4. a lifter assembly; 41. a lower lead screw; 411. a guide rod; 42. a lead screw is arranged; 43. an adjusting nut; 44. ball head; 45. a ball seat; 451. a ball socket; 452. an upper housing; 4521. a fixed screw; 4522. a hemispherical cavity; 4523. a screw hole; 453. a lower housing; 4531. a receiving chamber; 4532. an opening; 46. a connecting screw; 5. a clamping mechanism; 51. fixing the clamping blocks; 52. a movable clamping block; 521. a slide bar; 5211. a handle; 522. a spring; 6. a laser range finder; 7. a positioning assembly; 71. a positioning groove; 72. a positioning block; 8. level vial.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

As shown in fig. 1, a laser range finder base comprises a base plate 1, wherein a leveling plate 2 is arranged above the base plate 1, and the base plate 1 and the leveling plate 2 are rectangular; be equipped with the leveling mechanism 3 that is used for adjusting leveling board 2 and keeps the horizontality between base plate 1 and the leveling board 2, leveling mechanism 3 includes a plurality of height-adjustable's lifter subassembly 4, and lifter subassembly 4 of this embodiment has set up four, and four lifter subassemblies 4 are along base plate 1 circumference evenly distributed, and leveling board 2 top is equipped with fixture 5 that is used for centre gripping laser rangefinder 6.

The laser range finders 6 with different specifications can be clamped through the clamping mechanism 5, so that the application range of the base is improved; through lifter subassembly 4, can adjust leveling board 2 to the horizontality fast, guarantee laser rangefinder 6 measuring accuracy.

As shown in fig. 2 and 3, the lifting rod assembly 4 of the present embodiment includes a lower screw 41, an upper screw 42, an adjusting nut 43 and a ball joint, the lower screw 41 is fixedly connected to the upper surface of the base plate 1 and is perpendicular to the base plate 1, the ball joint includes a ball 44 and a ball seat 45, the ball 44 is fixed on top of the lower screw 41, the ball seat 45 includes an upper housing 452, a lower housing 453 and a fixing screw 4521, the fixing screw 4521 is fixedly connected to one side of the upper housing 452, the other side of the upper housing 452 has a hemispherical cavity 4522, the lower housing 453 has a receiving cavity 4531, the hemispherical cavity 4522 and the receiving cavity 4531 together form a ball socket 451, the ball 44 is accommodated in the ball socket 451, and the upper housing 452 and the lower housing 453 are connected by a connecting piece; through setting up the bulb joint, can avoid leveling plate 2 leveling work to appear interfering the phenomenon, guarantee leveling work's smooth going on. The threads of the upper screw 42 and the lower screw 41 are reversed, and the adjusting nut 43 is in threaded connection between the upper screw 42 and the lower screw 41.

As shown in fig. 3 and 4, the connecting piece in this embodiment is a connecting screw 46, at least one pair of mounting holes are provided in the lower housing 453 along the circumferential direction, four mounting holes in this embodiment are uniformly provided, and the connecting screw 46 penetrates through the mounting holes and is adapted to corresponding screw holes 4523 provided on the joint surface of the upper housing 452.

Due to the reverse threads between the upper screw 42 and the lower screw 41, the adjusting nut 43 between the upper screw 42 and the lower screw 41 is rotated, so that the upper screw 42 and the lower screw 41 can be close to or far away from each other, and the vertical height between the corresponding upper screw 42 and lower screw 41 is adjusted, thereby realizing the leveling of the leveling plate 2.

The ball head 44 is in a sphere shape, the diameter of the ball head 44 is larger than the outer diameter of the lower lead screw 41, and the axis of the lower lead screw 41 passes through the center of the ball head 44, so that the ball head 44 can be in spherical hinge fit with the ball socket 451.

To facilitate placement of the ball 44 onto the receiving cavity 4531 of the lower housing 453, the lower housing 453 is provided with an opening 4532 in communication with the receiving cavity 4531.

In a specific installation, the lower screw 41 may be first sequentially passed through the accommodating chamber 4531 and the opening 4532 from top to bottom, and the lower housing 453 and the upper housing 452 may be connected by a connector.

As shown in fig. 2, in order to improve the stability and smoothness of the adjustment of the lifting rod assembly 4, the upper end of the lower screw 41 is provided with a guide rod 411 extending upward in the length direction, the guide rod 411 is provided in the axis direction of the lower screw 41, the upper screw 42 is provided with an insertion hole adapted to the guide rod 411 in the length direction, and the insertion hole is provided in the axis direction of the upper screw 42; the cross section of the guide rod 411 is polygonal, and the cross section of the guide rod 411 in this embodiment is square, so that when the adjusting nut 43 is rotated, the upper screw rod 42 and the lower screw rod 41 are prevented from rotating relatively, and therefore, when the adjusting nut 43 is rotated, the upper screw rod 42 and the lower screw rod 41 can be mutually close to or far away from each other in the axial direction, and smooth adjustment of the lifting rod assembly 4 is ensured.

The upper shell 452 and the lower shell 453 are provided with positioning components 7 on the joint surface, the positioning components 7 comprise positioning grooves 71 which are uniformly distributed on the joint surface of the upper shell 452 along the circumferential direction, and the joint surface of the lower shell 453 is provided with positioning blocks 72 corresponding to the joint surface. The positioning assembly 7 ensures that the accommodating cavity 4531 of the lower housing 453 is concentric with the hemispherical cavity 4522 of the upper housing 452, and that the formed ball socket 451 is capable of articulating with the ball head 44.

As shown in fig. 1, the clamping mechanism 5 of the present embodiment includes two fixed clamping blocks 51 and two movable clamping blocks 52 which are oppositely arranged, the fixed clamping blocks 51 are fixedly connected to the leveling plate 2, the leveling plate 2 is provided with two sliding grooves 21 perpendicular to the length direction of the fixed clamping blocks 51, the sliding grooves 21 are parallel to each other, the movable clamping blocks 52 are slidably arranged on the sliding grooves 21, one side of the movable clamping blocks 52 away from the fixed clamping blocks 51 is fixedly connected with a sliding rod 521 parallel to the sliding grooves 21, the sliding rod 521 is provided with two sliding rods 521 parallel to each other, one side of the leveling plate 2 close to the sliding rod 521 is provided with a supporting plate 22 perpendicular to the leveling plate 2, the length direction of the supporting plate 22 is parallel to the length direction of the movable clamping blocks 52, the sliding rod 521 is penetratingly slidably arranged on the supporting plate 22, a spring 522 is sleeved on the sliding rod 521 between the supporting plate 22 and the movable clamping blocks 52, and a handle 5211 is arranged on the sliding rod 521 outside the supporting plate 22. By pulling the handle 5211, the distance between the fixed clamping block 51 and the movable clamping block 52 can be adjusted, the laser range finders 6 of different types can be clamped, and the universality of the base is improved.

The upper surface of the leveling plate 2 is provided with a level bubble 8; the level vial 8 is provided in two and is provided in the front-rear, left-right direction, respectively. By observing the level bubble 8 in the front-back and left-right directions, the corresponding lifting rod assembly 4 can be adjusted, and the quick leveling of the leveling plate 2 is realized.

The embodiments of the present utility model are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a laser range finder base, its characterized in that, includes base plate (1), base plate (1) top is equipped with leveling board (2), be equipped with between base plate (1) and leveling board (2) and be used for adjusting leveling board (2) and keep leveling mechanism (3) of horizontality, leveling mechanism (3) are including a plurality of height-adjustable's lifter subassembly (4), leveling board (2) top is equipped with fixture (5) that are used for centre gripping laser range finder (6).

2. The laser range finder base according to claim 1, wherein the lifting rod assembly (4) comprises a lower screw rod (41), an upper screw rod (42), an adjusting nut (43) and a ball joint, the lower screw rod (41) is fixedly connected to the upper surface of the base plate (1) and is perpendicular to the base plate (1), the ball joint comprises a ball head (44) and a ball seat (45), the ball head (44) is fixed to the top of the lower screw rod (41), the ball seat (45) comprises an upper shell (452), a lower shell (453) and a fixing screw rod (4521), the fixing screw rod (4521) is fixedly connected to one side of the upper shell (452), the upper shell (452) is fixedly connected with the leveling plate (2) through the fixing screw rod (4521), the other side of the upper shell (452) is provided with a hemispherical cavity (4522), the lower shell (453) is provided with a containing cavity (4531), the hemispherical cavity (4522) and the containing cavity (4531) jointly forms a ball socket (451), the ball head (44) is contained in the lower shell (451), and the upper shell (452) is fixedly connected with the lower shell (452) through a connecting piece 453; the threads of the upper lead screw (42) and the lower lead screw (41) are reversed, and the adjusting nut (43) is connected between the upper lead screw (42) and the lower lead screw (41) in a threaded mode.

3. The laser rangefinder base of claim 2 wherein the ball head (44) is spherical, the ball head (44) having a diameter greater than an outer diameter of the lower lead screw (41), the lower lead screw (41) axis passing through the center of the ball head (44).

4. The laser rangefinder base of claim 2, characterized in that the lower housing (453) is provided with an opening (4532) communicating with the receiving chamber (4531).

5. The laser range finder base according to claim 2, wherein the upper end of the lower lead screw (41) is provided with a guide rod (411) extending upwards along the length direction, the cross section of the guide rod (411) is polygonal, and the upper lead screw (42) is provided with a jack matched with the guide rod (411) along the length direction.

6. The laser range finder base according to claim 2, wherein the connecting piece is a connecting screw (46), the lower housing (453) is provided with at least one pair of mounting holes along the circumferential direction, and the connecting screw (46) penetrates through the mounting holes and is matched with corresponding screw holes (4523) arranged on the joint surface of the upper housing (452).

7. The laser range finder base according to claim 2, wherein a positioning assembly (7) is arranged on the joint surface of the upper shell (452) and the lower shell (453), the positioning assembly (7) comprises positioning grooves (71) uniformly distributed on the joint surface of the upper shell (452) along the circumferential direction, and positioning blocks (72) corresponding to the positioning grooves are arranged on the joint surface of the lower shell (453).

8. The laser range finder base according to claim 1, wherein the clamping mechanism (5) comprises two fixed clamping blocks (51) and movable clamping blocks (52) which are oppositely arranged, the fixed clamping blocks (51) are fixedly connected to the leveling plate (2), sliding grooves (21) perpendicular to the fixed clamping blocks (51) are formed in the leveling plate (2), the movable clamping blocks (52) are slidably arranged on the sliding grooves (21), sliding rods (521) parallel to the sliding grooves (21) are fixedly connected to one sides, away from the fixed clamping blocks (51), of the movable clamping blocks (52), supporting plates (22) are arranged on one sides, close to the sliding rods (521), of the leveling plate (2), the sliding rods (521) are slidably arranged on the supporting plates (22), springs (522) are sleeved on the sliding rods (521) between the supporting plates (22) and the movable clamping blocks (52), and handles (5211) are arranged on the sliding rods (521) on the outer sides of the supporting plates (22).

9. The laser range finder base according to claim 1, wherein the leveling plate (2) is provided with level vials (8) on an upper surface thereof, and the level vials (8) are provided in two and are respectively provided in front-rear and left-right directions.