Accurate measuring device for blasting safety distance

Abstract

The utility model relates to the field of blasting, in particular to a blasting safety distance accurate measuring device. The device comprises a rack, a chassis and a fixing assembly, the rack is provided with a measuring mechanism and two slidably-arranged storage boxes, and the use mode and the connection relation of the storage boxes are the same as a reference file, so that the use mode and the connection relation are not repeated; a rotating disc is arranged on the chassis, a telescopic column is arranged on the rotating disc, and the output end of the telescopic column makes contact with the top end of the rack; the fixing assembly comprises a mounting frame arranged on the telescopic column and the rotating disc, a plurality of storage rollers are annularly arranged on the rotating disc, a plurality of worm wheels are coaxially arranged on the storage rollers, and a fixing line is wound on each storage roller; and the plurality of fixing lines are connected with the bottom of the rack. The height of the device is adjusted by arranging the telescopic column, and the driving motor a drives the multiple turbines to wind the fixing line to enable the fixing line to be in a tightened state, so that the number of connecting points of the rack and the chassis is increased, and the stability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of blasting, in particular to a kind of blasting safety distance precision measuring device. BACKGROUND

[0002] Blasting is a technology that uses explosives to produce compression, loosening, destruction, throwing and killing effects in air, water, soil or object to achieve the intended purpose. When the explosive charge explodes in soil or structure, it causes compression, deformation, destruction, loosening and throwing of the soil or structure, mainly used in earthwork engineering, and demolition of metal buildings and structures.

[0003] The Chinese patent with publication number CN215524437U discloses an intelligent blasting safety distance precision measuring device, relating to the field of blasting, comprising a fixed box body and a measuring rope. The front side of the fixed box body is provided with a fixed slot, the inner wall of the fixed slot is connected with a dustproof cover through a hinge at the bottom end of the front side, a rotating rod is fixedly installed on the inner wall of the fixed slot, a positioning rod is inserted into the inner wall of the positioning hole, and an installation slot is formed at the end of the front side of the fixed box body away from the fixed slot. The utility model is provided with a measuring device, which can accurately measure the safety distance of blasting. The rotating structure makes it easy and convenient to measure the safety distance in any direction when using the measuring device to detect the safety distance.

[0004] However, the above technical solution has the following disadvantages: in complex environment, there may be certain obstacles blocking the user from measuring the distance, and the user needs to adjust the position of the device to bypass the obstacles to detect them. The device cannot adjust the height of the rope outlet point, which affects the user's measurement speed. UTILITY MODEL CONTENT

[0005] The utility model aims at the problems in the background art, and provides a blasting safety distance precision measuring device that adjusts the height of the device by setting telescopic columns and drives motor a to drive multiple turbine reels to wind fixed lines to keep them in a taut state, thereby increasing the connection points of the rack and the chassis and improving the stability of the device.

[0006] The utility model discloses a technical scheme, a kind of explosion safety distance precision measuring device, comprising: rack, measurement mechanism and two slidingly arranged storage box are provided on it;Chassis, rotatable disc is provided on it, rotatable disc is provided with telescopic column, and telescopic column output end is in contact with rack top end;Fixed component, it includes the mounting bracket being set on telescopic column and rotatable disc, motor a being set on mounting bracket, gear a being set on the output end of motor a, gear b and worm being rotatably set on telescopic column, multiple storage rollers being set along annular on rotatable disc, multiple worm gears being coaxially set on multiple storage rollers, and fixed wire is rolled in each on multiple storage rollers;Multiple fixed wires are connected with the bottom of rack, and gear b and worm are coaxially connected.

[0007] Preferably, the connection points of the plurality of fixed lines with the rack are annularly distributed.

[0008] Preferably, the measurement mechanism includes a motor b provided on the rack, a plurality of measurement assemblies rotatably provided on the rack, a drive rod provided on the output end of the motor b, and a synchronization belt provided one-to-one on the drive rod and the plurality of measurement assemblies.

[0009] Preferably, the measurement assembly includes a driven rod rotatably provided on the rack, a plurality of partition plates provided on the driven rod, a plurality of clamping assemblies annularly provided on the rack, and a storage cylinder rotatably provided on each of the plurality of clamping assemblies; the driven rod is drivingly connected with the storage cylinder.

[0010] Preferably, the driven rod includes a driven rod portion rotatably provided on the rack, and a plurality of ratchet portions uniformly provided on the driven rod portion, the plurality of ratchet portions and the plurality of partition plates are staggered.

[0011] Preferably, the storage cylinder has a plurality of storage grooves annularly distributed, a plurality of abutting blocks annularly distributed are rotatably provided on the storage cylinder, and a spring is provided between each of the plurality of abutting blocks and the storage cylinder.

[0012] Compared with the prior art, the utility model has the following beneficial technical effects:

[0013] When the utility model is used, the fixed line will remain outside and not be rolled by the storage roller, so that the fixed line will not affect the user to adjust the length of the telescopic column to control the height of the device. After the user adjusts the height of the device to the desired height, the motor a drives the gear a to rotate, the gear a engages to drive the gear b to rotate, the gear b coaxially drives the worm to rotate, the worm drives the plurality of worm gears to rotate, and the worm gears drive the plurality of storage rollers to synchronously roll the fixed line, so that the plurality of fixed lines are straightened, the rack is in a balanced state, and the device can be stably fixed at the desired height of the user, thereby improving the practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1It is a structure schematic view of the embodiment of the utility model;

[0015] Figure 2 It is a structure schematic view of the chassis and the fixing assembly in the embodiment of the utility model

[0016] Figure 3 It is a sectional view of the embodiment of the utility model;

[0017] Figure 4 It is a structure schematic view of the storage cylinder box, the abutting block and the driven rod in the embodiment of the utility model.

[0018] The figure mark: 1, rack;2, chassis;3, rotating disc;4, telescopic column;5, motor a;6, gear a;7, worm;8, storage roller;9, worm wheel;10, storage box;11, guard plate;12, motor b;13, driven rod;14, partition plate;15, storage cylinder;16, clamping roller;17, abutting block. Specific implementation

[0019] Embodiment one

[0020] As Figures 1-3 The embodiment proposes a kind of explosion safety distance precision measurement device, including rack 1, chassis 2 and fixing assembly, rack 1 is provided with measuring mechanism and two storage boxes 10 of sliding arrangement, the use mode and connection relationship of storage box 10 are same with cited document and not doat elaboration;Chassis 2 is provided with rotating disc 3, rotating disc 3 is provided with telescopic column 4, and the output end of telescopic column 4 is in contact with the top end of rack 1;Fixing assembly includes the mounting bracket of being arranged on telescopic column 4 and rotating disc 3, motor a 5 of being arranged on mounting bracket, gear a 6 of being arranged on the output end of motor a 5, gear b and worm 7 of being rotationally arranged on telescopic column 4, multiple storage rollers 8 are arranged on rotating disc 3 along annular, multiple worm wheels 9 are coaxially arranged on multiple storage rollers 8, and multiple fixed lines are each wound on multiple storage rollers 8;Multiple fixed lines are all connected with the bottom of rack 1, and gear b and worm wheel 9 are coaxially connected.The connection point of multiple fixed lines and rack 1 is annular distribution, and three storage rollers 8 are arranged, which is best, so that three fixed lines are triangular distribution, improve the stability of device, and avoid that too many fixed lines influence user's use experience.

[0021] When the embodiment is used, the fixed lines will be left outside and not be wound by the receiving rollers 8, so that the fixed lines will not affect the user adjusting the length of the telescopic column 4 to control the height of the device. After the user adjusts the height of the device to the height that the user is satisfied with, the motor a5 drives the gear a6 to rotate, the gear a6 engages to drive the gear b to rotate, the gear b coaxially drives the worm 7 to rotate, the worm 7 drives the plurality of worm gears 9 to rotate, and the worm gears 9 drive the plurality of receiving rollers 8 to synchronously wind the fixed lines, so that the plurality of fixed lines are straightened, the rack 1 is in a balanced state, the device can be stably fixed at the height that the user wants, and the practicability of the device is improved.

[0022] Embodiment two

[0023] As shown in Figure 1 and Figure 3 , the explosion safety distance precision measurement device provided in the embodiment, compared with embodiment one, in the embodiment, the measuring mechanism includes the motor b12 arranged on the rack 1, a plurality of measuring assemblies rotatably arranged on the rack 1, a driving rod arranged on the output end of the motor b12, and a synchronous belt arranged one by one corresponding to the driving rod and the plurality of measuring assemblies.

[0024] When the embodiment is used, the motor b12 drives the plurality of measuring assemblies to rotate through the synchronous belt, so that the rotation of the plurality of measuring assemblies does not appear to slide, and the plurality of measuring assemblies do not interfere with each other, so that the subsequent measurement does not appear to be erroneous.

[0025] Embodiment three

[0026] As shown in Figure 1 , Figure 3 and Figure 4 , the explosion safety distance precision measurement device provided in the embodiment, compared with embodiment one, in the embodiment, the measuring assembly includes the driven rod 13 rotatably arranged on the rack 1, a plurality of partition plates 14 arranged on the driven rod 13, a plurality of clamping assemblies arranged in a ring shape on the rack 1, and a receiving cylinder 15 rotatably arranged on each of the plurality of clamping assemblies; the driven rod 13 is drivingly connected with the receiving cylinder 15, the measuring line arranged on the receiving cylinder 15 and the related structure connected therewith are the same as those in the cited document, and therefore no related detailed description is made, the clamping assembly is composed of a plurality of clamping rollers 16 distributed in a ring shape on the rack 1, and the plurality of clamping rollers 16 are in rolling contact with the receiving cylinder 15.

[0027] The driven rod 13 includes a driven rod portion rotatably arranged on the rack 1 and a plurality of ratchet portions uniformly arranged on the driven rod portion, and the plurality of ratchet portions and the plurality of partition plates 14 are alternately distributed. The receiving cylinder 15 has a plurality of receiving grooves distributed in a ring shape, a plurality of abutting blocks 17 are rotatably arranged on the receiving cylinder 15 in a ring shape, and a spring is arranged between each of the plurality of abutting blocks 17 and the receiving cylinder 15.

[0028] In this embodiment, when the user pulls the measuring line wound in the storage cylinder 15, the storage cylinder 15 slides into contact with the driven rod 13. The driven rod 13 does not affect the stability of the rotation of the storage cylinder 15, and the rotation of a single storage cylinder 15 will not drive the other storage cylinders 15 to rotate synchronously, thereby preventing the measuring line from being released inside the device. After the driven rod 13 is driven by the motor b12, the ratchet part drives multiple abutment blocks 17 to move, and the multiple abutment blocks 17 drive the storage cylinder 15 to rotate, thereby realizing the function of the storage cylinder 15 automatically storing the measuring line.

[0029] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A device for accurately measuring blasting safety distance, characterized in that, include: A frame (1) is provided with a measuring mechanism and two sliding storage boxes (10). The chassis (2) is provided with a rotating disk (3), and a telescopic column (4) is provided on the rotating disk (3). The output end of the telescopic column (4) is in contact with the top of the frame (1). The fixing assembly includes a mounting bracket set on the telescopic column (4) and the rotating disk (3), a motor a (5) set on the mounting bracket, a gear a (6) set on the output end of the motor a (5), a gear b and a worm gear (7) rotatably set on the telescopic column (4), multiple collection rollers (8) arranged in a ring on the rotating disk (3), multiple worm gears (9) coaxially arranged on the multiple collection rollers (8), and a fixing line wound on each of the multiple collection rollers (8); the multiple fixing lines are all connected to the bottom of the frame (1), and the gear b and the worm gear (9) are coaxially connected.

2. The device for accurately measuring blasting safety distance according to claim 1, characterized in that, The connection points of multiple fixed lines to the frame (1) are distributed in a ring.

3. The device for accurately measuring blasting safety distance according to claim 1, characterized in that, The measuring mechanism includes a motor b (12) mounted on a frame (1), multiple sets of measuring components rotatably mounted on the frame (1), a drive rod mounted on the output end of the motor b (12), and a synchronous belt that is correspondingly mounted on the drive rod and the multiple measuring components.

4. The device for accurately measuring blasting safety distance according to claim 3, characterized in that, The measuring assembly includes a driven rod (13) rotatably mounted on the frame (1), multiple partition plates (14) mounted on the driven rod (13), multiple clamping assemblies mounted in a ring on the frame (1), and a storage cylinder (15) rotatably mounted on each of the multiple clamping assemblies; the driven rod (13) and the storage cylinder (15) are drivenly connected.

5. The device for accurately measuring blasting safety distance according to claim 4, characterized in that, The driven lever (13) includes a driven lever portion rotatably mounted on the frame (1) and a plurality of ratchet portions uniformly arranged on the driven lever portion, with the plurality of ratchet portions and a plurality of partition plates (14) distributed alternately.

6. The device for accurately measuring blasting safety distance according to claim 5, characterized in that, The storage tube (15) has multiple storage slots distributed along a ring. Multiple abutment blocks (17) are rotatably arranged on the storage tube (15) and are distributed along a ring. Springs are provided between the multiple abutment blocks (17) and the storage tube (15).

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