Engineering measuring instrument calibration clamping equipment

Abstract

The utility model discloses engineering measuring instrument calibration clamping equipment, which relates to the technical field of clamping equipment and comprises a bottom plate, two fixing blocks are fixed at the top of the bottom plate, a sliding rod is fixed between the two fixing blocks, a moving strip is slidably connected to the outer side wall of the sliding rod, and a placing frame is arranged at the top of the moving strip. A clamping mechanism is arranged in the placing frame, and a movement limiting mechanism is arranged in the moving strip. According to the engineering measuring instrument calibration clamping equipment, the clamping mechanism is arranged, a rotating handle is rotated, the rotating handle drives a rear second rotating rod to rotate, the rear second rotating rod drives a third rotating rod through a third gear to drive a right side second rotating rod to rotate, the second rotating rod drives a first rotating rod to rotate through a second gear, and the first rotating rod drives a rotating cylinder to rotate through a first gear; the rotating drum rotates to move the clamping plates, and the clamping plates are folded to clamp the measuring instrument.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping equipment, in particular to a clamping equipment for calibrating an engineering measuring instrument. Background Art

[0002] Engineering surveying instruments are an important measuring tool that play an important role in the planning and design, construction management, and operation and maintenance of engineering projects. They are mainly used for measuring distance, angle, direction, and height. However, these instruments need to be calibrated regularly during use.

[0003] After searching, the existing patent (publication number: CN215524641U) discloses an engineering surveying instrument calibration device, including a base plate, the upper surface of the base plate is evenly fixedly mounted with placement support rods, the top of the placement support rods is provided with a placement base, the upper surface of the placement base is fixedly mounted with an outer frame, and the two sides of the outer frame are respectively movably connected with locking structures. The engineering surveying instrument calibration device, by arranging a matrix of evenly distributed support rods on the upper surface of the base plate, fixes the detection instrument in the outer frame using a locking structure, and the placement base is connected to a plurality of placement support rods through grooves provided at the bottom, so that the detection equipment can be placed at different angles, which is helpful for comprehensive detection of the detection equipment. At the same time, the top of the detection equipment can be better fixed by rotating the first screw and the second screw and can be adjusted according to the size of the equipment, reflecting the practicality of the equipment.

[0004] The placement base is connected to multiple placement support rods according to the grooves opened at the bottom. This allows the detection equipment to be placed at various angles, thereby better performing comprehensive detection of the detection equipment. However, in order to adjust the position of the base, the base needs to be removed and then connected to the placement support rods, which is very cumbersome. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a calibration clamping device for engineering measuring instruments, which solves the problems raised by the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model is implemented through the following technical scheme: an engineering measuring instrument calibration clamping device, including a base plate, two fixed blocks are fixed on the top of the base plate, a sliding rod is fixed between the two fixed blocks, the outer side wall of the sliding rod is slidably connected with a moving bar, a placement frame is provided on the top of the moving bar, a clamping mechanism is provided inside the placement frame, and a movement limiting mechanism is provided inside the moving bar.

[0007] Preferably, the clamping mechanism comprises a clamping plate, the interior of the clamping plate is rotatably connected to a first rotating rod, the outer side wall of the first rotating rod is rotatably connected to a connecting rod, and one end of the connecting rod close to the clamping plate is fixedly connected to the clamping plate.

[0008] Preferably, a movable groove is opened inside the placement frame, and two screws are provided on the left side and front of the movable groove. The opposite sides of the two screws are fixedly connected, and the back sides of the two screws are rotatably connected to the inside of the movable groove. The inside of the connecting rod is rotatably connected to a rotating drum, and the inner wall of the rotating drum and the outer wall of the screw are threadedly connected.

[0009] Preferably, a first gear is fixed to one end of the first rotating rod close to the rotating cylinder, a tooth groove is provided on the outer wall of the rotating cylinder, the tooth groove is meshingly connected to the first gear, the second rotating rod is rotatably connected to the right side and rear of the inner side of the movable groove, the outer wall of the first rotating rod is rotatably connected to an L-shaped plate, the inner side of the L-shaped plate is rotatably connected to a cylinder, the inner side wall of the cylinder and the outer side wall of the second rotating rod are slidably connected, and the cylinder and the first rotating rod are connected via a second gear transmission.

[0010] Preferably, a fixed plate is fixed between the two second rotating rods at the inner rear of the movable groove, a third rotating rod is actively connected to the inner part of the fixed plate, the third rotating rod and the second rotating rod are connected via a third gear transmission, and a handle is fixed to the front end of the second rotating rod on the right side through the placement frame.

[0011] Preferably, the movement limiting mechanism includes a fixed cylinder, the rear end of the fixed cylinder is fixedly connected to the front end of the movable bar, the movable bar is rotatably connected to a round rod inside, two first magnetic blocks and a second magnetic block are respectively fixed to the outer side walls of the round rod, the movable bar is slidably connected to a third magnetic block inside, the bottom of the third magnetic block is fixed with an insertion rod, a plurality of sockets are opened on the top of the bottom plate, the first magnetic block and the third magnetic block repel each other, and the second magnetic block and the third magnetic block attract each other.

[0012] Beneficial Effects

[0013] The utility model provides a clamping device for calibrating engineering measuring instruments. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The engineering measuring instrument calibration clamping device is provided with a tightening mechanism to rotate the hand, which drives the second rotating rod at the rear to rotate, and the second rotating rod at the rear drives the third rotating rod to rotate the second rotating rod on the right side through the third gear, and the second rotating rod drives the first rotating rod to rotate through the second gear, and the first rotating rod drives the rotating drum to rotate through the first gear, and the rotating drum rotates to move the clamping plate, and the clamping plate closes to clamp the measuring instrument.

[0015] 2. The engineering measuring instrument calibration clamping device sets a limit movement mechanism and rotates the round rod. The round rod rotates with the first magnetic block and the second magnetic block. The second magnetic block rotates downward, so that the second magnetic block sucks the third magnetic block upward, and the third magnetic block moves the insertion rod upward. Then, the fixed tube is held and pushed. The fixed tube moves with the moving bar and the placement frame, so that calibration can be performed at different positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure inside the placement frame in the utility model;

[0018] Figure 3 It is a cross-sectional structural schematic diagram of the splint in the utility model;

[0019] Figure 4 For this utility model Figure 3 The structural diagram at A in the middle;

[0020] Figure 5 It is a cross-sectional structural schematic diagram of the moving strip in the utility model;

[0021] Figure 6 It is a schematic diagram of the structure of the first magnetic block, the second magnetic block and the round rod in the utility model;

[0022] Figure 7 For this utility model Figure 2 Schematic diagram of the structure at B in the figure.

[0023] In the figure: 1, fixed block; 2, limit movement mechanism; 3, slide bar; 4, bottom plate; 5, placement frame; 6, movable groove; 7, second magnetic block; 8, clamping mechanism; 9, turn handle; 10, fixed cylinder; 11, connecting rod; 12, screw rod; 13, first rotating rod; 14, clamping plate; 15, jack; 16, rotating cylinder; 17, first gear; 18, tooth groove; 19, third gear; 20, plug rod; 21, round rod; 22, third magnetic block; 23, first magnetic block; 24, moving strip; 25, L-shaped plate; 26, cylinder; 27, fixed plate; 28, third rotating rod; 29, second gear; 30, second rotating rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-7 The utility model provides a technical solution: an engineering measurement instrument calibration clamping device, including a bottom plate 4, two fixed blocks 1 are fixed on the top of the bottom plate 4, a slide bar 3 is fixed between the two fixed blocks 1, the outer wall of the slide bar 3 is slidably connected with a moving bar 24, a placement frame 5 is provided on the top of the moving bar 24, a clamping mechanism 8 is provided inside the placement frame 5, a movement limiting mechanism 2 is provided inside the moving bar 24, the clamping mechanism 8 includes a clamping plate 14, the inside of the clamping plate 14 is rotatably connected to a first rotating rod 13, the outer wall of the first rotating rod 13 is rotatably connected to a connecting rod 11, and the connecting rod 12 is connected to the outer wall of the first rotating rod 13. The end of the connecting rod 11 close to the clamping plate 14 is fixedly connected to the clamping plate 14, a movable groove 6 is provided inside the placing frame 5, two screws 12 are provided on the left side and the front of the movable groove 6, the opposite sides of the two screws 12 are fixedly connected, the back sides of the two screws 12 are rotatably connected to the inside of the movable groove 6, the inner rotatable connection of the connecting rod 11 is connected to a rotating drum 16, the inner side wall of the rotating drum 16 and the outer side wall of the screw 12 are threadedly connected, the end of the first rotating rod 13 close to the rotating drum 16 is fixed with a first gear 17, the outer side wall of the rotating drum 16 is provided with a tooth groove 18, the gear groove 18 is provided with a tooth groove 18, and the gear groove 18 is provided with a tooth groove 18. The groove 18 is meshed with the first gear 17, the second rotating rod 30 is rotatably connected to the right side and the rear of the movable groove 6, the outer wall of the first rotating rod 13 is rotatably connected to the L-shaped plate 25, the inner part of the L-shaped plate 25 is rotatably connected to the cylinder 26, the inner wall of the cylinder 26 is slidably connected to the outer wall of the second rotating rod 30, the cylinder 26 and the first rotating rod 13 are connected by the second gear 29, the inner rear of the movable groove 6 is fixed with a fixed plate 27 between the two second rotating rods 30, the inner part of the fixed plate 27 is actively connected to the third rotating rod 28, and the third rotating rod 28 and the second rotating rod 30 are connected by the third gear 19. The front end of the right second rotating rod 30 passes through the placement frame 5 and is fixed with a handle 9. When the handle 9 is turned, the second rotating rod 30 at the rear is rotated. The second rotating rod 30 at the rear is rotated with the third rotating rod 28 and the second rotating rod 30 on the right side through the third gear 19. The second rotating rod 30 is rotated with the first rotating rod 13 through the second gear 29. The first rotating rod 13 is rotated with the rotating drum 16 through the first gear 17. The rotation of the rotating drum 16 causes the clamping plate 14 to move, and the clamping plate 14 closes to clamp the measuring instrument.

[0026] Furthermore, the movement limiting mechanism 2 includes a fixed cylinder 10, the rear end of the fixed cylinder 10 and the front end of the moving bar 24 are fixedly connected, the moving bar 24 is internally rotatably connected with a round rod 21, the outer side walls of the round rod 21 are respectively fixed with two first magnetic blocks 23 and a second magnetic block 7, the moving bar 24 is internally slidably connected with a third magnetic block 22, the bottom of the third magnetic block 22 is fixed with an insertion rod 20, and a plurality of insertion holes 15 are provided on the top of the bottom plate 4, the first magnetic block 23 and the third magnetic block 22 repel each other, and the second magnetic block 7 and the third magnetic block 22 attract each other, and the round rod 21 is rotated, and the round rod 21 rotates with the first magnetic block 23 and the second magnetic block 7, and the second magnetic block 7 rotates to the bottom, so that the second magnetic block 7 sucks the third magnetic block 22 upward, and the third magnetic block 22 moves upward with the insertion rod 20, and then the fixed cylinder 10 is held and pushed, and the fixed cylinder 10 moves with the moving bar 24 and the placement frame 5, so that calibration can be performed at different positions.

[0027] During operation, the handle 9 is rotated, and the handle 9 drives the second rotating rod 30 at the rear to rotate. The second rotating rod 30 at the rear drives the third rotating rod 28 to drive the second rotating rod 30 on the right side to rotate through the third gear 19. The second rotating rod 30 drives the first rotating rod 13 to rotate through the second gear 29. The first rotating rod 13 drives the rotating drum 16 to rotate through the first gear 17. The rotating drum 16 rotates to move the clamping plate 14. The clamping plate 14 closes to clamp the measuring instrument. The round rod 21 is rotated, and the round rod 21 drives the first magnetic block 23 and the second magnetic block 7 to rotate. The second magnetic block 7 is rotated to the bottom, so that the second magnetic block 7 sucks the third magnetic block 22 upward, and the third magnetic block 22 drives the insertion rod 20 upward. Then, the fixed cylinder 10 is held and pushed. The fixed cylinder 10 drives the moving bar 24 and the placement frame 5 to move, so that calibration can be performed at different positions.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamping device for calibrating an engineering measuring instrument, comprising a base plate (4), characterized in that: Two fixed blocks (1) are fixed on the top of the bottom plate (4), a sliding rod (3) is fixed between the two fixed blocks (1), the outer wall of the sliding rod (3) is slidably connected to a moving bar (24), a placement frame (5) is provided on the top of the moving bar (24), a movement limiting mechanism (2) is provided inside the moving bar (24), a clamping mechanism (8) is provided inside the placement frame (5), the clamping mechanism (8) comprises a clamping plate (14), the inside of the clamping plate (14) is rotatably connected to a first rotating rod (13), the outer wall of the first rotating rod (13) is rotatably connected to a connecting rod (11), and one end of the connecting rod (11) close to the clamping plate (14) is connected to the clamping plate (14). The movement limiting mechanism (2) comprises a fixed cylinder (10), the rear end of the fixed cylinder (10) and the front end of the moving bar (24) are fixedly connected, the moving bar (24) is internally rotatably connected with a round rod (21), the outer side walls of the round rod (21) are respectively fixed with two first magnetic blocks (23) and a second magnetic block (7), the moving bar (24) is internally slidably connected with a third magnetic block (22), the bottom of the third magnetic block (22) is fixed with an insertion rod (20), and the top of the bottom plate (4) is provided with a plurality of insertion holes (15), the first magnetic block (23) and the third magnetic block (22) repel each other, and the second magnetic block (7) and the third magnetic block (22) attract each other.

2. The engineering surveying instrument calibration clamping device according to claim 1 is characterized in that: A movable groove (6) is provided inside the placement frame (5), and two screw rods (12) are provided on the left side and the front of the movable groove (6). The opposite sides of the two screw rods (12) are fixedly connected, and the back sides of the two screw rods (12) are rotatably connected to the inside of the movable groove (6). The inside of the connecting rod (11) is rotatably connected to a rotating drum (16), and the inner side wall of the rotating drum (16) is screwed to the outer side wall of the screw rod (12).

3. The engineering measurement instrument calibration clamping device according to claim 2 is characterized in that: A first gear (17) is fixed to one end of the first rotating rod (13) close to the rotating cylinder (16); a tooth groove (18) is provided on the outer wall of the rotating cylinder (16); the tooth groove (18) and the first gear (17) are meshingly connected; a second rotating rod (30) is rotatably connected to the right side and the rear of the movable groove (6); an L-shaped plate (25) is rotatably connected to the outer wall of the first rotating rod (13); a cylinder (26) is rotatably connected to the inside of the L-shaped plate (25); the inner wall of the cylinder (26) and the outer wall of the second rotating rod (30) are slidably connected; the cylinder (26) and the first rotating rod (13) are transmission-connected via a second gear (29).

4. The engineering surveying instrument calibration clamping device according to claim 3 is characterized by: A fixed plate (27) is fixed between the two second rotating rods (30) at the rear of the movable groove (6), and a third rotating rod (28) is actively connected to the interior of the fixed plate (27). The third rotating rod (28) and the second rotating rod (30) are connected by a third gear (19). The front end of the second rotating rod (30) on the right side passes through the placement frame (5) and is fixed with a handle (9).

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