CN219347780U - Distance meter testing device - Google Patents

Abstract

The utility model discloses a range finder testing device which comprises a frame, an electric dividing disc and a product fixing frame, wherein the electric dividing disc is arranged on the frame; the product fixing frame is connected to the electric indexing and can be driven to rotate by the electric indexing disc. The technical scheme of the utility model can improve the test precision of the range finder.

Description

Distance meter testing device

Technical Field

The utility model relates to the technical field of checking of range finders, in particular to a range finder testing device.

Background

The accuracy of the range finder can have a great influence on the subsequent use of the range finder, so that after the range finder is produced, the use accuracy of the range finder needs to be detected, so that the range finder is ensured to have relatively high accuracy and can perform normal and stable test work. However, the detection method of the range finder in the related art basically adopts a manual operation mode, namely, the range finder is manually rotated to a certain angle for testing, and in the manual operation mode, errors are easily caused because the manual operation is difficult to control, so that the testing precision of the range finder is reduced.

Disclosure of Invention

The utility model mainly aims to provide a range finder, and aims to improve the testing precision of the range finder.

In order to achieve the above object, the present utility model provides a range finder comprising:

a frame;

the electric dividing plate is arranged on the rack; and

the product fixing frame is connected to the electric indexing disc and can be driven to rotate by the electric indexing disc.

In an embodiment of the utility model, the range finder testing device comprises an angle displacement table, the angle displacement table is connected to the electric index plate and can be driven to rotate by the electric index plate, and the product fixing frame is connected to the angle displacement table.

In an embodiment of the utility model, the product holder is detachably connected to the angular displacement table.

In an embodiment of the present utility model, the angular displacement table is provided with a first connecting hole, the product fixing frame is provided with a first mounting hole, and the first mounting hole and the first connecting hole are oppositely arranged;

the range finder testing device further comprises a first fastening piece, wherein the first fastening piece penetrates through the first mounting hole and is inserted into the first connecting hole, so that the product fixing frame is detachably connected to the angle displacement table.

In an embodiment of the utility model, the range finder testing device further comprises a connecting frame, the connecting frame is connected to the electric index plate and can be driven to rotate by the electric index plate, and the angle displacement table is mounted on the connecting frame.

In one embodiment of the present utility model, the connection frame includes:

the first plate body is connected to the electric dividing disc and extends in the vertical direction; and

the second plate body is connected with the first plate body and extends along the horizontal direction, and the angle displacement table is installed on the second plate body.

In an embodiment of the present utility model, the electric dividing plate is provided with a second connecting hole, the first plate body is provided with a second mounting hole, the second mounting hole is elongated and extends in a vertical direction, and the range finder testing device further comprises a second fastener, and the second fastener passes through the second mounting hole and is inserted into the second connecting hole, so that the first plate body is detachably connected to the electric dividing plate;

and/or, the angle displacement table is further provided with a third connecting hole, the second plate body is provided with a third mounting hole, the third mounting hole and the third connecting hole are oppositely arranged, the range finder testing device further comprises a third fastening piece, and the third fastening piece penetrates through the third mounting hole and is inserted into the third connecting hole, so that the angle displacement table is detachably connected with the second plate body;

and/or the first plate body and the second plate body are of an integrated structure.

In an embodiment of the utility model, the range finder testing device further comprises a limit sensor, wherein the limit sensor is arranged on the rack and is adjacent to the electric index plate;

and/or, the range finder testing device further comprises a controller, wherein the controller is arranged on the rack and is electrically connected with the electric index plate.

In one embodiment of the utility model, the frame comprises:

a base;

the connecting column is defined to have two ends which are oppositely arranged, and one end of the connecting column is connected with the base; and

the bearing plate is connected to one end, far away from the base, of the connecting column, and the electric index plate is arranged on the bearing plate.

In an embodiment of the utility model, the rack further comprises a mounting plate, the mounting plate is convexly arranged on the surface of the bearing plate, which is away from the base, and is positioned at the edge of the bearing plate, and the electric indexing disc is arranged on the surface of the mounting plate, which faces the center of the bearing plate;

and/or the number of the connecting columns is at least two, the at least two connecting columns are distributed at intervals, the frame further comprises at least one reinforcing column, the reinforcing column is defined to have two opposite ends, and the two ends of each reinforcing column are respectively connected with two adjacent connecting columns;

and/or, the frame further comprises supporting feet, and the supporting feet are arranged on the base.

According to the range finder testing device, when the range finder is tested, the tester to be tested is arranged on the product fixing frame, and then the product fixing frame can be driven to rotate through the electric dividing disc, so that the tester to be tested on the product fixing frame is driven to rotate to a preset rotation angle. At the moment, the angle value displayed on the range finder to be tested is compared with the preset rotating angle of the electric index plate, so that the use precision of the range finder can be obtained, and the use precision of the range finder is tested. Because the range finder testing arrangement in this scheme is tested through the range finder rotation preset angle that electric graduated disk drive was awaited measuring, and electric graduated disk has the advantage that the rotation precision is high, the range finder accurate that control was awaited measuring that can be accurate rotates to preset angle. Compared with the prior art, the range finder testing device in the scheme can reduce the rotation error caused by rotation of the range finder in the testing process, thereby improving the testing precision of the range finder.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a range finder testing device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a part of the testing device of the range finder of FIG. 1;

fig. 3 is a schematic view of a partial explosion structure of the testing device of the range finder in fig. 1.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				10	Rack	30a	First mounting hole
11	Base seat	40	Angular displacement table
				12	Connecting column	40a	First connecting hole
121	Connecting angle plate	40b	Third connecting hole
				13	Bearing plate	50	Connecting frame
14	Mounting plate	51	First plate body
				15	Reinforcing column	51a	Second mounting hole
16	Supporting leg	53	Second plate body
				20	Electric dividing disc	53a	Third mounting hole
20a	Second connecting hole	60	Limit sensor
				30	Product fixing frame	70	Controller for controlling a power supply

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a range finder testing device.

Referring to fig. 1 and 2 in combination, in an embodiment of the utility model, the rangefinder testing apparatus includes a frame 10, an electric index plate 20, and a product holder 30; wherein, the electric dividing disc 20 is arranged on the frame 10; the product holder 30 is connected to the motorized indexing and is rotatably driven by the motorized indexing plate 20.

In one embodiment of the present utility model, the frame 10 may be used to mount and carry components such as the motorized indexing plate 20 and the product holder 30 so that the various mechanisms of the rangefinder may be assembled as a unit for ease of handling or management. The frame 10 may be made of metal material to extend the service life of the frame 10 for enhancing the strength thereof. Of course, the frame 10 may be made of plastic material for ease of handling in order to reduce the mass of the frame 10. The motorized indexing disk 20 may be used to power the product holder 30 to rotate to a predetermined angle, such as: 10 degrees, 20 degrees, 30 degrees and the like. Since the driving principle of the electric indexing plate 20 is the prior art, the specific structure of the electric indexing plate 20 will not be described in detail herein. The product holder 30 may be used to mount and secure a rangefinder to be tested such that the rangefinder follows rotation to a preset angle for testing when the product holder 30 is driven by the motorized indexing disc 20. The product fixing frame 30 may be formed with a product accommodating groove, so as to limit and fix the range finder to be tested through the product accommodating groove. The shape of the product accommodating groove can be set according to the shape of the range finder to be tested, and the product accommodating groove can be matched and abutted with the range finder to be tested. Further, the rangefinder to be tested located in the product accommodating groove can be connected to the product fixing frame 30 through screws or buckles, so that the stability of fixing the rangefinder to be tested is improved.

According to the range finder testing device provided by the technical scheme of the utility model, when the range finder is tested, the to-be-tested tester is arranged on the product fixing frame 30, and then the product fixing frame 30 can be driven to rotate through the electric dividing disc 20, so that the to-be-tested tester positioned on the product fixing frame 30 is driven to rotate to a preset rotation angle. At this time, the angle value displayed on the range finder to be tested is compared with the preset rotating angle of the electric index plate 20, so that the use precision of the range finder can be obtained, and the use precision of the range finder is tested. Because the range finder testing device in this scheme is tested through the range finder rotation preset angle that electric graduated disk 20 drive was awaited measuring, and electric graduated disk 20 has the advantage that the rotation precision is high, the accurate rotation of range finder that control that can be accurate is awaited measuring to preset angle. Compared with the prior art, the range finder testing device in the scheme can reduce the rotation error caused by rotation of the range finder in the testing process, thereby improving the testing precision of the range finder.

In an embodiment of the present utility model, the range finder testing device includes an angle displacement table 40, the angle displacement table 40 is connected to the electric index plate 20 and can be driven to rotate by the electric index plate 20, and the product fixing frame 30 is connected to the angle displacement table 40.

It will be appreciated that the initial angle between the rangefinder to be tested mounted on the product holder 30 and the horizontal plane may be adjusted by the angular displacement stage 40 to ensure horizontal placement of the rangefinder. Since the adjustment principle of the levelness of the angular displacement table 40 is the prior art, the adjustment principle will not be described in detail herein.

Referring to fig. 2 and 3 in combination, in an embodiment of the utility model, the product holder 30 is detachably connected to the angular displacement table 40.

It will be appreciated that the product holder 30 is detachably connected so that the product can be detached from the product holder 30 when damage occurs or when the type of the range finder is required to be replaced, thereby improving the convenience of maintenance of the product holder 30 and the applicability of the range finder to different types of range finders.

Referring to fig. 2 and 3 in combination, in an embodiment of the present utility model, the angular displacement table 40 is provided with a first connecting hole 40a, the product fixing frame 30 is provided with a first mounting hole 30a, and the first mounting hole 30a and the first connecting hole 40a are disposed opposite to each other; the range finder testing device further comprises a first fastening member penetrating through the first mounting hole 30a and inserted into the first connecting hole 40a, so that the product fixing frame 30 is detachably connected to the angular displacement table 40.

It will be appreciated that the first attachment aperture 40a and the first mounting aperture 30a provide first fastener receiving space that enables the first fastener to be installed more compactly while reducing the likelihood of damage to the first fastener from foreign objects. The first connecting hole 40a may be a threaded hole, and the first fastening member may be a screw. Because the threaded connection has the advantages of simplicity and reliability, the disassembly and assembly processes of the product fixing frame 30 and the angle displacement table 40 can be simplified while the stability between the product fixing frame 30 and the angle displacement table 40 is ensured. Of course, the present application is not limited thereto, and in other embodiments, the first connecting hole 40a may be a clamping hole, and the first fastening member may be a clamping post. Alternatively, the product fixing frame 30 may be directly fixed to the angular displacement table 40 by magnetic attraction of magnetic blocks.

Referring to fig. 2 and 3 in combination, in an embodiment of the utility model, the rangefinder testing apparatus further includes a connection frame 50, the connection frame 50 is connected to the electric index plate 20 and can be driven to rotate by the electric index plate 20, and the angle displacement table 40 is mounted on the connection frame 50.

It will be appreciated that the connection frame 50 can provide mounting positions for the angular displacement stage 40 and the electric index plate 20, respectively, and at this time, the connection frame 50 connects the angular displacement stage 40 and the electric index plate 20, thereby improving the convenience of mounting the two.

Referring to fig. 2 and 3 in combination, in an embodiment of the utility model, the connecting frame 50 includes a first plate 51 and a second plate 53, wherein the first plate 51 is connected to the electric index plate 20 and extends in a vertical direction; the second plate 53 is connected to the first plate 51, extends in the horizontal direction, and the angular displacement table 40 is mounted on the second plate 53.

It will be appreciated that the first plate 51 is vertically shaped so that it can have a relatively large contact surface with the motorized indexing plate 20, thereby facilitating the assurance of the stability of the connection between the connection bracket 50 and the motorized indexing plate 20. The second plate 53 is horizontal, so that the angular displacement table 40 and the product holder 30 can be supported horizontally, and the stability of the support of the angular displacement table 40 and the product holder 30 can be improved. Meanwhile, the first plate body 51 and the second plate body 53 are regular in shape due to the arrangement, so that the first plate body 51 and the second plate body 53 can be machined and manufactured conveniently, the first plate body 51 and the second plate body 53 can be approximately formed into L shapes, and the whole structure is compact, so that occupied space is reduced. Of course, it is also possible that the first plate 51 and the second plate 53 are formed in a substantially T shape. In addition, the present application is not limited to this, and in other embodiments, the connecting frame 50 may have only the first plate 51 or the second plate 53.

Referring to fig. 2 and 3 in combination, in an embodiment of the present utility model, the electric index plate 20 is provided with a second connecting hole 20a, the first plate 51 is provided with a second mounting hole 51a, the second mounting hole 51a is elongated and extends in a vertical direction, and the rangefinder testing device further includes a second fastening member, which passes through the second mounting hole 51a and is inserted into the second connecting hole 20a, so that the first plate 51 is detachably connected to the electric index plate 20.

It will be appreciated that the first plate 51 is detachably connected to enable it to be detached from the electric indexing disc 20 for maintenance and replacement when damaged, thereby improving the convenience of maintenance and replacement of the connection frame 50. The second mounting hole 51a is provided in a strip shape, so that the connecting frame 50 can move in the vertical direction, so as to adjust the height of the product fixing frame 30 to adapt to targets (objects irradiated by laser beams emitted by a range finder to be tested) with different heights, thereby improving the convenience of the range finder testing device in the testing process. The second connecting hole 20a may be a threaded hole, and the second fastening member may be a screw. Since the screw connection has the advantages of simplicity and reliability, the position adjustment process of the product connection frame 50 in the up-down direction can be simplified while the stability between the connection frame 50 and the electric index plate 20 is ensured. Of course, the present application is not limited thereto, and in other embodiments, the second connecting hole 20a may be a clamping hole, and the second fastening member may be a clamping post.

Referring to fig. 2 and 3 in combination, in an embodiment of the utility model, the angular displacement table 40 is further provided with a third connecting hole 40b, the second plate 53 is provided with a third mounting hole 53a, the third mounting hole 53a and the third connecting hole 40b are disposed opposite to each other, and the rangefinder testing device further includes a third fastener, which passes through the third mounting hole 53a and is inserted into the third connecting hole 40b, so that the angular displacement table 40 is detachably connected to the second plate 53.

It will be appreciated that the angular displacement table 40 is detachably connected to the second plate 53, so that the angular displacement table 40 can be detached from the second plate 53 for maintenance and replacement when damaged, thereby improving the convenience of maintenance and replacement of the angular displacement table 40. The third connecting hole 40b may be a threaded hole, and the third fastening member may be a screw. Because the threaded connection has the advantages of simplicity and reliability, the disassembly and assembly process between the angular displacement table 40 and the second plate 53 can be simplified while the stability between the two can be ensured, and the disassembly and assembly efficiency can be improved. Of course, the present application is not limited thereto, and in other embodiments, the third connecting hole 40b may be a clamping hole, and the third fastening member may be a clamping post. Alternatively, the angular displacement table 40 and the second plate are embedded with mutually attractive magnetic blocks.

In one embodiment of the present utility model, the first plate 51 and the second plate 53 are integrally formed.

It will be appreciated that the first plate 51 and the second plate 53 are integrally formed, so as to enhance the strength of the connection therebetween and reduce the possibility of breakage thereof, thereby improving the stability of the connection frame 50 to the support of the angular displacement table 40 and the product holder 30. Meanwhile, the first plate 51 and the second plate 53 can be manufactured by integral molding, so that the processing technology is simplified and the production efficiency of the connecting frame 50 is improved.

Referring to fig. 1, in an embodiment of the utility model, the rangefinder testing device further includes a limit sensor 60, where the limit sensor 60 is disposed on the frame 10 and is disposed adjacent to the electric index plate 20.

It can be appreciated that the limit sensor 60 can limit the rotation stroke of the electric index plate 20, so as to reduce the possibility of excessive rotation of the electric index plate 20, thereby further improving the controllability of the rotation of the electric index plate 20.

Referring to fig. 1, in an embodiment of the utility model, the rangefinder testing device further includes a controller 70, where the controller 70 is disposed on the rack 10 and electrically connected to the electric index plate 20.

It will be appreciated that controlling the motorized indexing plate 20 by the controller 70 can increase the degree of automation of the rangefinder while reducing the labor intensity of the tester. The controller 70 may control the start, pause, rotation angle, etc. of the electric indexing disk 20. The controller 70 may be further electrically connected to the limit sensor 60.

Referring to fig. 1, in an embodiment of the present utility model, a rack 10 includes a base 11, a connecting column 12 and a carrying plate 13, wherein the connecting column 12 is defined to have two opposite ends, and one end of the connecting column 12 is connected to the base 11; the bearing plate 13 is connected to one end of the connecting column 12 away from the base 11, and the electric index plate 20 is disposed on the bearing plate 13.

It can be appreciated that the frame 10 has a certain height through the arrangement of the connecting column 12, so that a tester has a better use posture on the range finder testing device, namely, the tester can conveniently place a product on the product fixing frame 30 of the range finder testing device without bending, thereby improving the use convenience of the range finder testing device. Meanwhile, the base 11 and the bearing plate 13 are connected through the connecting column 12, so that the structure of the stand 10 is hollowed out, and the quality of the stand 10 can be reduced at the moment, so that the convenience in carrying the range finder is improved. The base 11 and the carrying plate 13 may be substantially square in shape when projected on a horizontal plane, so that they may be formed regularly for easy molding and manufacturing. Of course, the present application is not limited thereto, and in other embodiments, the base 11 and the carrier plate 13 may be projected in a substantially circular shape or other shapes on a horizontal plane. The two ends of the connection post 12 may be connected to the base 11 and the carrying plate 13 through the connection gusset 121, that is, the connection gusset 121 at the lower end of the connection post 12 has a plate surface abutting against the side surface of the connection post 12 and a plate surface abutting against the base 11, and the two plate surfaces may be connected to the connection post 12 and the base 11 through screws or buckles. Similarly, the connection gusset 121 located at the upper end of the connection post 12 has a plate surface abutting against the side surface of the connection post 12 and a plate surface abutting against the carrier plate 13, and the two plate surfaces can be connected to the connection post 12 and the carrier plate 13 by screws, snaps, or the like.

Referring to fig. 1, in an embodiment of the present utility model, the rack 10 further includes a mounting plate 14, the mounting plate 14 is convexly disposed on a surface of the carrier 13 facing away from the base 11 and located at an edge of the carrier 13, and the electric indexing disc 20 is disposed on a surface of the mounting plate 14 facing a center of the carrier 13.

It will be appreciated that the mounting plate 14 is vertical, so that it can be well abutted against the back surface of the electric indexing plate 20 facing away from the first plate body 51, i.e. has a relatively large and flat contact surface, so that the electric indexing plate 20 and the mounting plate 14 can be conveniently connected, and meanwhile, the connection stability of the electric indexing plate 20 and the mounting plate 14 can be improved.

In an embodiment of the present utility model, the number of the connection posts 12 is at least two, the at least two connection posts 12 are spaced apart, the frame 10 further includes at least one reinforcement post 15, which defines the reinforcement post 15 to have two opposite ends, and each of the two ends of the reinforcement post 15 is connected to two adjacent connection posts 12.

It will be appreciated that the provision of at least two connecting posts 12 increases the stability of the connection between the carrier plate 13 and the base 11, so that the overall structure of the frame 10 is reinforced, thereby facilitating the improvement of the stability of the support for the electric indexing plate 20, the product holder 30, etc. And the reinforcement posts 15 are provided so that there is a connection relationship between at least two of the connection posts 12, thereby further improving the strength of the overall structure of the frame 10.

Referring to fig. 1, in an embodiment of the present utility model, the frame 10 further includes supporting feet 16, and the supporting feet 16 are disposed on the base 11.

It will be appreciated that the provision of the support feet 16 reduces the contact area between the frame 10 and the ground, which reduces the flatness requirements for the ground to ensure that the frame 10 is disposed relatively flat on the ground. The number of the supporting feet 16 may be four, and the four supporting feet 16 are respectively located at four corner areas of the base 11 to stably support the frame 10. Of course, the number of the supporting feet 16 may be five, six or more, and may be distributed at intervals around the center of the base 11.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A rangefinder testing device, comprising:

a frame;

the electric dividing plate is arranged on the rack; and

the product fixing frame is connected to the electric indexing disc and can be driven to rotate by the electric indexing disc.

2. The rangefinder testing device of claim 1 including an angular displacement stage coupled to and rotatable by the motorized indexing plate, the product holder coupled to the angular displacement stage.

3. The rangefinder testing apparatus of claim 2 wherein the product holder is removably coupled to the angular displacement table.

4. The rangefinder testing apparatus of claim 3 wherein the angular displacement table has a first attachment hole and the product holder has a first mounting hole, the first mounting hole and the first attachment hole being disposed opposite one another;

the range finder testing device further comprises a first fastening piece, wherein the first fastening piece penetrates through the first mounting hole and is inserted into the first connecting hole, so that the product fixing frame is detachably connected to the angle displacement table.

5. The rangefinder testing apparatus of claim 2 further comprising a connector coupled to the motorized indexing plate and drivable in rotation by the motorized indexing plate, the angular displacement stage being mounted to the connector.

6. The rangefinder testing apparatus of claim 5 wherein the connector comprises:

the first plate body is connected to the electric dividing disc and extends in the vertical direction; and

the second plate body is connected with the first plate body and extends along the horizontal direction, and the angle displacement table is installed on the second plate body.

7. The rangefinder testing apparatus of claim 6 wherein the electrical indexing plate has a second attachment hole and the first plate has a second attachment hole, the second attachment hole being elongated and extending in a vertical direction, the rangefinder testing apparatus further comprising a second fastener that passes through the second attachment hole and is inserted into the second attachment hole to removably attach the first plate to the electrical indexing plate;

and/or, the angle displacement table is further provided with a third connecting hole, the second plate body is provided with a third mounting hole, the third mounting hole and the third connecting hole are oppositely arranged, the range finder testing device further comprises a third fastening piece, and the third fastening piece penetrates through the third mounting hole and is inserted into the third connecting hole, so that the angle displacement table is detachably connected with the second plate body;

and/or the first plate body and the second plate body are of an integrated structure.

8. The rangefinder testing apparatus of any one of claims 1-7 further comprising a limit sensor disposed on the chassis and adjacent to the motorized indexing plate;

and/or, the range finder testing device further comprises a controller, wherein the controller is arranged on the rack and is electrically connected with the electric index plate.

9. The rangefinder testing apparatus of any of claims 1-7, wherein the chassis comprises:

a base;

the connecting column is defined to have two ends which are oppositely arranged, and one end of the connecting column is connected with the base; and

the bearing plate is connected to one end, far away from the base, of the connecting column, and the electric index plate is arranged on the bearing plate.

10. The rangefinder testing device of claim 9 wherein the chassis further comprises a mounting plate protruding from a surface of the carrier plate facing away from the base and located at an edge of the carrier plate, the motorized indexing disc being located on a surface of the mounting plate facing a center of the carrier plate;

and/or the number of the connecting columns is at least two, the at least two connecting columns are distributed at intervals, the frame further comprises at least one reinforcing column, the reinforcing column is defined to have two opposite ends, and the two ends of each reinforcing column are respectively connected with two adjacent connecting columns;

and/or, the frame further comprises supporting feet, and the supporting feet are arranged on the base.

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