Combined workbench for detecting handheld laser range finder

Abstract

The utility model discloses a combined workbench for detecting a handheld laser range finder, which comprises a first supporting platform, a second supporting platform and a plurality of auxiliary supporting platforms, and the auxiliary supporting platforms are arranged between the first supporting platform and the second supporting platform. The first supporting platform comprises a first lifting platform, a steel tape fastener, a first steel tape guide rail, a first reflecting plate fixing platform and a first circular level, and the second supporting platform comprises a second lifting platform, a steel tape stretching fastener, a second steel tape guide rail, a range finder placing platform and a second circular level; the auxiliary supporting platform comprises an auxiliary lifting platform, an auxiliary reflecting plate fixing platform, an auxiliary steel tape guide rail and an auxiliary circular level. The hand-held laser range finder verification device is used for verification of the hand-held laser range finder, and is simple, fast, economical, practical and accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of handheld laser rangefinder calibration, in particular to a combined workbench for calibrating a handheld laser rangefinder. Background Art

[0002] The existing handheld laser rangefinder comprehensive calibration platform is designed during the construction of the laboratory, and is installed in the laboratory as a whole after the laboratory construction is completed. Most of them can only meet one or several fixed calibration services. Therefore, when facing other calibration services, they may be affected by the layout and area of ​​the laboratory and cannot be carried out. In addition, the cost of the calibration workbench with this setting is relatively high. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model aims to provide a combined workbench for calibrating a handheld laser rangefinder.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A combined workbench for calibrating a handheld laser rangefinder comprises a No. 1 support platform, a No. 2 support platform and a plurality of auxiliary support platforms, wherein the auxiliary support platforms are arranged between the No. 1 support platform and the No. 2 support platform; the No. 1 support platform comprises a No. 1 lifting platform, a steel tape measure fastener, a No. 1 steel tape measure guide rail, a No. 1 reflector fixing platform and a No. 1 circular level, wherein the steel tape measure fastener, the No. 1 steel tape measure guide rail, the No. 1 reflector fixing platform and the No. 1 circular level are arranged on the top of the No. 1 lifting platform; the No. 2 support platform comprises a No. 2 lifting platform, a steel tape measure stretching fastener, a No. 2 steel tape measure guide rail, a rangefinder placing platform and a No. 2 circular level, wherein the steel tape measure stretching fastener, the No. 2 steel tape measure guide rail, the rangefinder placing platform and the No. 2 circular level are all arranged on the top of the No. 2 lifting platform; the auxiliary support platforms comprise an auxiliary lifting platform, an auxiliary reflector fixing platform, an auxiliary steel tape measure guide rail and an auxiliary circular level.

[0006] Wherein, the auxiliary reflector fixing platform, the auxiliary steel tape guide rail and the auxiliary circular level are all arranged on the top of the auxiliary lifting platform.

[0007] Furthermore, the No. 1 lifting platform and the No. 2 lifting platform both include a base, a fixed rod, a lifting rod, a rotating operating rod and a liftable platform. A leveling nut is provided at the bottom of the base, the bottom end of the fixed rod is fixed to the top of the base, and the rotating operating rod is rotatably arranged at the top of the fixed rod; the fixed rod has an internal channel, and the rotating operating rod has a hollow through hole, and the inner diameters of the internal channel and the hollow through hole match the outer diameter of the lifting rod; the inner circumference of the hollow through hole of the rotating operating rod and the outer surface of the lifting rod are respectively provided with matching internal threads and external threads; the lower end of the lifting rod passes through the hollow through hole of the rotating operating rod and extends into the internal channel of the fixed rod, and cooperates with the hollow through hole thread of the rotating operating rod; the liftable platform is fixed to the top of the lifting rod.

[0008] Furthermore, the auxiliary lifting platform includes an auxiliary platform base, an auxiliary platform fixing rod, an auxiliary platform lifting rod, a lifting rack, a lifting gear, a rocker and an auxiliary lifting platform; an auxiliary platform leveling nut is provided at the bottom of the auxiliary platform base, the auxiliary platform fixing rod is provided at the top of the auxiliary platform base, and the auxiliary lifting platform is fixed to the top of the auxiliary platform lifting rod; the auxiliary platform lifting rod can be lifted up and down and extended into the interior of the auxiliary platform fixing rod and is fixed to the lifting rack; the lifting rack is meshed with the lifting gear, the lifting gear is connected to the rocker, and the rocker can drive the lifting gear to rotate.

[0009] Furthermore, the steel tape measure fastener and the steel tape measure stretching fastener are both C-shaped structures, which are provided with fastening bolts passing through the top for fastening the standard steel tape measure passing therethrough.

[0010] The beneficial effect of the utility model is that the utility model adopts a combined workbench structure, and each part such as the No. 1 support platform, the No. 2 support platform, and the auxiliary support platform are independent of each other and can be assembled and moved separately, so that the workbench of the utility model has the advantages of easy disassembly and easy movement, and the number of auxiliary support platforms can be determined according to needs. Therefore, as long as the space meets the calibration length requirements, whether indoors, in the corridor or outdoors, the workbench of the utility model can be quickly set up to start the corresponding calibration business, and after the calibration is completed, it can be withdrawn in time to restore the original site, which is simple, fast, economical, practical and accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the use of the combined workbench in the embodiment of the utility model;

[0012] Figure 2 This is a structural schematic diagram of a No. 1 support platform in an embodiment of the utility model;

[0013] Figure 3This is a schematic diagram of the structure of the No. 2 support platform in the embodiment of the utility model;

[0014] Figure 4 It is a structural schematic diagram of the auxiliary support platform in an embodiment of the utility model. DETAILED DESCRIPTION

[0015] The present invention will be further described below in conjunction with the accompanying drawings. It should be noted that this embodiment is based on the technical solution and provides a detailed implementation method and a specific operation process, but the protection scope of the present invention is not limited to this embodiment.

[0016] This embodiment provides a combined workbench for calibrating a handheld laser rangefinder, such as Figure 1-4 As shown, it includes a No. 1 support platform 1, a No. 2 support platform 2 and several auxiliary support platforms 3, and the auxiliary support platform 3 is arranged between the No. 1 support platform 1 and the No. 2 support platform 2; the No. 1 support platform 1 includes a No. 1 lifting platform 4, a steel tape measure fastener 5, a No. 1 steel tape measure guide rail 6, a No. 1 reflector fixing platform 7 and a No. 1 circular level 30, and the steel tape measure fastener 5, the No. 1 steel tape measure guide rail 6, the No. 1 reflector fixing platform 7 and the No. 1 circular level 30 are arranged on the top of the No. 1 lifting platform 4; the No. 2 support platform 2 includes a No. 2 lifting platform 8, a steel tape measure The stretching fastener 9, the No. 2 steel tape measure guide rail 10, the rangefinder placement platform 11 and the No. 2 circular level 12 are all arranged on the top of the No. 2 lifting platform 8; the auxiliary support platform 3 includes an auxiliary lifting platform 13, an auxiliary reflector fixing platform 14, an auxiliary steel tape measure guide rail 15 and an auxiliary circular level 16, and the auxiliary reflector fixing platform 14, the auxiliary steel tape measure guide rail 15 and the auxiliary circular level 16 are all arranged on the top of the auxiliary lifting platform 13.

[0017] When in use, the standard steel tape measure 100 passes through the No. 1 steel tape measure rail 6, the auxiliary steel tape measure rail 15 and the No. 2 steel tape measure rail 10 of the No. 1 support platform 1, the auxiliary support platform 3 and the No. 2 support platform 2 in sequence and forms a horizontal straight line. The steel tape measure fastener 5 and the steel tape measure stretching fastener 9 are respectively used to fix the positions of the two ends of the standard steel tape measure 100; the No. 1 reflector fixing platform 7 and the auxiliary reflector fixing platform 14 are both used to fix the reflector 101, and the rangefinder placement platform 11 is used to place the handheld laser rangefinder 102 to be tested. The No. 1 circular level 30, the No. 2 circular level 12 and the auxiliary circular level 16 are used for leveling the No. 1 support platform 1, the No. 2 support platform 2 and the auxiliary support platform.

[0018] In this embodiment, the No. 1 lifting platform 4 and the No. 2 lifting platform 8 both include a base 17, a fixed rod 18, a lifting rod 19, a rotating operating rod 20 and a liftable platform 21. A leveling nut 22 is provided at the bottom of the base 17, the bottom end of the fixed rod 18 is fixed to the top of the base 17, and the rotating operating rod 20 is rotatably connected to the top of the fixed rod 18; the fixed rod 18 has an internal passage, and the rotating operating rod 20 has a hollow through hole, and the inner diameters of the internal passage and the hollow through hole match the outer diameter of the lifting rod 19; the inner circumference of the hollow through hole of the rotating operating rod 20 and the outer surface of the lifting rod 19 are respectively provided with matching internal threads and external threads; the lower end of the lifting rod 19 passes through the hollow through hole of the rotating operating rod 20 and extends into the internal channel of the fixed rod 18, and cooperates with the hollow through hole thread of the rotating operating rod 20; the liftable platform 21 is fixed to the top of the lifting rod 19.

[0019] When the rotating operating rod 20 is rotated, since the rotating operating rod 20 cannot move up and down, the lifting rod 19 is driven to move up and down, thereby driving the liftable platform 21 to move up and down together.

[0020] In this embodiment, the auxiliary lifting platform 13 includes an auxiliary platform base 23, an auxiliary platform fixing rod 24, an auxiliary platform lifting rod 25, a lifting rack 26, a lifting gear (not shown in the figure), a rocker 27 and an auxiliary lifting platform 28; an auxiliary platform leveling nut 29 is provided at the bottom of the auxiliary platform base 23, the auxiliary platform fixing rod 24 is provided at the top of the auxiliary platform base 23, and the auxiliary lifting platform 28 is fixed to the top of the auxiliary platform lifting rod 25; the auxiliary platform lifting rod 25 can be lifted and lowered into the interior of the auxiliary platform fixing rod 24 and is fixed to the lifting rack 26; the lifting rack 26 is meshed with the lifting gear, and the lifting gear is connected to the rocker 27, and the rocker 27 can drive the lifting gear to rotate.

[0021] When the rocker 27 is shaken, the lifting gear can be driven to rotate, thereby driving the lifting rack 26 to move up and down, and finally driving the auxiliary platform lifting rod 25 and the auxiliary lifting platform 28 to move up and down together.

[0022] In this embodiment, the steel tape measure fastener 5 and the steel tape measure stretching fastener 9 are both C-shaped structures, which are provided with fastening bolts vertically passing through the top for fastening the standard steel tape measure 100 passing therethrough.

[0023] This embodiment is based on the calibration regulations of JJG966-2010 "Handheld Laser Rangefinder", and takes the measured distance (D) D=50m as an example to illustrate the use process of the combined workbench of this embodiment. The No. 1 support platform 1, nine auxiliary support platforms 3 and the No. 2 support platform 2 are placed on a straight line of 50 meters at intervals of 5 meters, and the No. 1 support platform 1, the auxiliary support platform 3 and the No. 2 support platform 2 are all leveled using the leveling nuts. The standard steel tape measure is passed through the No. 1 steel tape measure guide rail 6 of the No. 1 support platform 1, the auxiliary steel tape measure guide rails 15 of each auxiliary support platform and the No. 2 steel tape measure guide rail 10 in sequence, and the 0-meter position of the standard steel tape measure is fixed with the steel tape measure fastener 5 on the No. 1 support platform 1, and the 50-meter position of the standard steel tape measure is fixed with the steel tape measure stretching fastener 9 of the No. 2 support platform 2, and 9.8N weights 103 are hung on both ends of the standard steel tape measure to level the standard steel tape measure. Use the No. 1 lifting platform, the auxiliary lifting platform and the No. 2 lifting platform to adjust the height of the No. 1 support platform 1, the auxiliary support platform 3 and the No. 2 support platform 2 respectively, so that the standard steel tape measure is horizontal and straight. Fix the handheld laser rangefinder 102 to be inspected on the rangefinder placement platform 11 on the No. 2 support platform 2 and level it in the center. According to the requirements of the regulations, install the reflector 101 on the No. 1 reflector fixing platform 7 on the No. 1 support platform 1 and the auxiliary reflector fixing platform 14 of the auxiliary support platform 3 in turn, measure the distance one by one, and obtain the calibration results.

[0024] For those skilled in the art, various corresponding changes and modifications can be made according to the above technical solutions and concepts, and all of these changes and modifications should be included in the protection scope of the claims of the utility model.

Claims

1. A combined workbench for calibrating a handheld laser rangefinder, characterized in that: The invention comprises a No. 1 support platform (1), a No. 2 support platform (2) and a plurality of auxiliary support platforms (3), wherein the auxiliary support platform (3) is arranged between the No. 1 support platform (1) and the No. 2 support platform (2); the No. 1 support platform (1) comprises a No. 1 lifting platform (4), a steel tape measure fastener (5), a No. 1 steel tape measure guide rail (6), a No. 1 reflector fixing platform (7) and a No. 1 circular level (30), wherein the steel tape measure fastener (5), the No. 1 steel tape measure guide rail (6), the No. 1 reflector fixing platform (7) and the No. 1 circular level (30) are arranged on the top of the No. 1 lifting platform (4). The second support platform (2) comprises a second lifting platform (8), a steel tape stretching and fastening device (9), a second steel tape guide rail (10), a distance meter placement platform (11) and a second circular level (12), wherein the steel tape stretching and fastening device (9), the second steel tape guide rail (10), the distance meter placement platform (11) and the second circular level (12) are all arranged on the top of the second lifting platform (8); the auxiliary support platform (3) comprises an auxiliary lifting platform (13), an auxiliary reflector fixing platform (14), an auxiliary steel tape guide rail (15) and an auxiliary circular level (16).

2. The combined workbench for calibrating a handheld laser rangefinder according to claim 1, characterized in that: The first lifting platform (4) and the second lifting platform (8) both comprise a base (17), a fixed rod (18), a lifting rod (19), a rotating operating rod (20) and a liftable platform (21); a leveling nut (22) is provided at the bottom of the base (17); the bottom end of the fixed rod (18) is fixed to the top of the base (17); the rotating operating rod (20) is rotatably provided at the top of the fixed rod (18); the fixed rod (18) has an internal passage; the rotating operating rod (20) has a hollow through hole The inner diameters of the internal passage and the hollow through hole are matched with the outer diameter of the lifting rod (19); the inner circumference of the hollow through hole of the rotating operating rod (20) and the outer surface of the lifting rod (19) are respectively provided with matching internal threads and external threads; the lower end of the lifting rod (19) passes through the hollow through hole of the rotating operating rod (20) and extends into the internal passage of the fixed rod (18), and is threadedly matched with the hollow through hole of the rotating operating rod (20); the liftable platform (21) is fixed to the top end of the lifting rod (19).

3. The combined workbench for calibrating a handheld laser rangefinder according to claim 1, characterized in that: The auxiliary lifting platform (13) comprises an auxiliary platform base (23), an auxiliary platform fixing rod (24), an auxiliary platform lifting rod (25), a lifting rack (26), a lifting gear, a rocker (27) and an auxiliary lifting platform (28); an auxiliary platform leveling nut (29) is provided at the bottom of the auxiliary platform base (23); the auxiliary platform fixing rod (24) is provided at the top of the auxiliary platform base (23); the auxiliary lifting platform (28) is fixed to the top of the auxiliary platform lifting rod (25); the auxiliary platform lifting rod (25) can be lifted and lowered and extended into the interior of the auxiliary platform fixing rod (24) and is fixed to the lifting rack (26); the lifting rack (26) is meshed with the lifting gear, the lifting gear is connected to the rocker (27), and the rocker (27) can drive the lifting gear to rotate.

4. The combined workbench for calibrating a handheld laser rangefinder according to claim 1, characterized in that: The steel tape measure fastener (5) and the steel tape measure stretching fastener (9) are both C-shaped structures, and are provided with fastening bolts penetrating the top for fastening the standard steel tape measure (100) passing therethrough.

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