CN220398525U - Blast hole depth measuring device - Google Patents

Abstract

The utility model discloses a blast hole depth measuring device which comprises an electric telescopic rod, wherein the end part of the electric telescopic rod is fixedly connected with a handle, the telescopic end of the electric telescopic rod is fixedly connected with a fixed sleeve, an adjusting component is arranged in the fixed sleeve, and one end of the fixed sleeve, which is far away from the electric telescopic rod, is fixedly connected with a measuring mechanism. This blast hole depth measuring device passes through adjusting part and measuring mechanism's use, the slip post is after driving the montant and removes, make ball and blast hole inner wall contact, and make coupling spring compressed, the rethread electric telescopic handle drives the in-process that fixed cover slowly stretched into the blast hole, the blast hole inner wall is different makes the connecting rod stretch out and draw back under coupling spring's effect, the pressure that pressure sensor received changes, the elasticity coefficient through coupling spring obtains coupling spring's flexible volume, and then the adjustment distance of rethread connecting rod obtains the scope of the internal diameter value of whole blast hole, it is more accurate to measure.

Description

Blast hole depth measuring device

Technical Field

The utility model relates to the technical field of blasting, in particular to a blasthole depth measuring device.

Background

The blasting work is very important for mines, a plurality of blastholes are drilled on a blasting work surface before blasting, explosives are filled in the blastholes, then blasting is carried out, and the depth of each blasthole is always inconsistent in the blasting implementation work, so that the depth of each blasthole needs to be measured.

At present, the current blast hole depth measuring device, for example, chinese patent with publication number CN217058643U, discloses a blast hole depth measuring device, the device rotates each other through promoting two connecting rods, when the intersection point position of two connecting rods is contradicted on the blast hole inner wall, the distance of intersection point position of two connecting rods and measuring pipe axle center is the radius of blast hole, thereby can conveniently measure the diameter of blast hole, also be convenient for measure the depth of blast hole simultaneously, but, when the device is in actual use, its diameter of measuring the blast hole is only to the somewhere position of blast hole, and the inside of blast hole is because uneven, leads to the diameter measurement of blast hole inaccurate, in view of this, we propose a blast hole depth measuring device.

Disclosure of Invention

The utility model mainly aims to provide a blast hole depth measuring device which can solve the problems in the background technology.

In order to achieve the above object, the blast hole depth measuring device provided by the utility model comprises an electric telescopic rod, wherein the end part of the electric telescopic rod is fixedly connected with a handle, the telescopic end of the electric telescopic rod is fixedly connected with a fixed sleeve, the inside of the fixed sleeve is provided with an adjusting component, one end of the fixed sleeve far away from the electric telescopic rod is fixedly connected with a measuring mechanism, and the measuring mechanism comprises:

the fixed cavity, fixed cavity fixed connection keeps away from the one end of electric telescopic handle at fixed cover, sliding connection has the slide on the inner wall in fixed cavity, fixedly connected with detection component on the outer wall of slide, the slide passes through reset spring elastic connection with the inner wall in fixed cavity, the upside of slide articulates there is the articulated pole, the articulated pole is kept away from the one end of slide and articulates there is the montant.

Preferably, the detection assembly comprises a loop bar, a slip ring is connected to the inner wall of the loop bar in a sliding manner, a pressure sensor is fixedly connected to the inner wall of the loop bar, the slip ring is elastically connected with the pressure sensor through a connecting spring, the pressure continuously received by the pressure sensor can be detected through the use of the pressure sensor, and the follow-up expansion and contraction amount of the spring can be calculated according to the elastic coefficient of the spring conveniently.

Preferably, the loop bar is sleeved with the connecting rod, the connecting rod is fixedly connected with the slip ring, the ball is mounted on one end, far away from the slip ring, of the connecting rod in an embedded mode, and abrasion with the inner diameter of the blasting hole can be reduced through the use of the ball.

Preferably, the adjusting component comprises a screw rod, the screw rod penetrates through the driven bevel gear and is fixedly connected with the driven bevel gear, the driven bevel gear is meshed with the driving bevel gear, the driving bevel gear is fixedly connected with a rotating handle, the driving gear can be driven to rotate through rotating the rotating handle, and the driven gear is enabled to rotate under the transmission effect of the driven gear.

Preferably, the screw rod is in threaded connection with a sliding column, the sliding column is penetrated by the guide rod and is in sliding connection with the guide rod, and the sliding column can stably slide through the use of the guide rod.

Preferably, the vertical rod is fixedly connected with the sliding column.

Advantageous effects

The utility model provides a blast hole depth measuring device. The beneficial effects are as follows:

(1) This blast hole depth measuring device passes through adjusting part and measuring mechanism's use, the sliding column is moving the back at the drive montant, under the effect of articulated pole, adjust the distance of detecting assembly, make ball and blast hole inner wall contact, and make connecting spring compressed, pressure sensor receives certain pressure, the in-process that the fixed cover slowly stretched into the blast hole is driven to the rethread electric telescopic handle, the blast hole inner wall is different makes the connecting rod stretch out and draw back under connecting spring's effect, the pressure that pressure sensor received changes, the elasticity coefficient through connecting spring obtains connecting spring's flexible volume, and then the adjustment distance of rethread connecting rod obtains the scope of the internal diameter value of whole blast hole, it is more accurate to measure.

(2) After the fixed cavity is arranged at the bottom through the use of the electric telescopic rod, the blast hole depth measuring device can be used for measuring the length to obtain the depth of the blast hole through taking out the device, and the operation is simple and convenient.

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 view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a part of the three-dimensional internal structure of the present utility model;

FIG. 3 is a schematic view of the structure A of FIG. 2 according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a test assembly according to the present utility model.

Reference numerals illustrate:

1. an electric telescopic rod; 2. a grip; 3. a fixed sleeve; 4. an adjustment assembly; 5. a measuring mechanism; 41. a screw rod; 42. a driven bevel gear; 43. a sliding column; 44. a guide rod; 45. a drive bevel gear; 46. rotating the handle; 51. a fixed cavity; 52. a slide plate; 53. a detection assembly; 54. a return spring; 55. a hinge rod; 56. a vertical rod; 531. a loop bar; 532. a slip ring; 533. a connecting rod; 534. a ball; 535. a pressure sensor; 536. and a connecting spring.

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.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-4, the utility model provides a blast hole depth measuring device, which comprises an electric telescopic rod 1, wherein the end part of the electric telescopic rod 1 is fixedly connected with a handle 2, the telescopic end of the electric telescopic rod 1 is fixedly connected with a fixed sleeve 3, an adjusting component 4 is arranged in the fixed sleeve 3, the position of a detecting component 53 can be adjusted by using the adjusting component 4, the subsequent measurement of the diameter of a blast hole is facilitated, one end of the fixed sleeve 3, which is far away from the electric telescopic rod 1, is fixedly connected with a measuring mechanism 5, the whole diameter range of the blast hole can be measured by using the measuring mechanism 5, the range of the inner diameter value of the whole blast hole is obtained, the measurement is more accurate, the measuring mechanism 5 comprises a fixed cavity 51, the fixed cavity 51 is used by using the electric telescopic rod 1, after the fixed cavity 51 is arranged at the bottom, the device is taken out, the depth of the blast hole can be obtained by measuring the length, the operation is simple and convenient, the fixed cavity 51 is fixedly connected with one end of the fixed sleeve 3, which is far away from the electric telescopic rod 1, the inner wall of the fixed cavity 51 is in a sliding way, a sliding plate 52 is connected with the inner wall of the fixed cavity 51, the outer wall of the fixed cavity 53 is far away from the electric telescopic rod, the inner wall of the fixed cavity 52 is fixedly connected with the detecting component 53, the inner wall 52 is far from the inner wall of the sliding plate 52 is far from the sliding plate 52, the inner wall is far from the sliding plate 52 is hinged with a vertical rod 55, the sliding plate is far from the side 55, and the sliding plate is far from the sliding plate 55 is hinged to the side 55, and the sliding plate is far from the sliding plate 52 is far from the side 55.

In the embodiment of the present utility model, in order to be able to adjust the position of the detection assembly 53, so as to facilitate the subsequent measurement of the diameter of the blast hole, specifically, the adjustment assembly 4 includes a screw rod 41, the screw rod 41 penetrates through the driven bevel gear 42 and is fixedly connected with the driven bevel gear 42, the driven bevel gear 42 is meshed with a driving bevel gear 45, the driving bevel gear 45 is fixedly connected with a rotation handle 46, the screw rod 41 is in threaded connection with a sliding column 43, a vertical rod 56 is fixedly connected with the sliding column 43, the sliding column 43 is penetrated by the guide rod 44 and is in sliding connection with the guide rod 44, the sliding column 43 can slide stably through the use of the guide rod 44, the driving gear is driven to rotate through the rotation handle 46, the driven gear is driven to rotate under the driving action of the driven gear, the sliding column 43 is driven to move downwards under the limit action of the guide rod 44, and the vertical rod 56 is driven to move downwards, and the detection assembly 53 is contacted with the inner wall of the blast hole under the action of the hinge rod 55.

Further, in order to be able to be to the scope of the internal diameter value of whole blasthole, specifically, detection assembly 53 includes loop bar 531, sliding connection has sliding ring 532 on the inner wall of loop bar 531, fixedly connected with pressure sensor 535 on the inner wall of loop bar 531, the numerical value of pressure sensor 535 can show with the display screen of external telecommunication connection, use through pressure sensor 535, can detect the pressure that pressure sensor 535 continuously received, the flexible volume of connecting spring 536 is calculated according to the elastic coefficient of connecting spring 536 in the follow-up of being convenient for, sliding ring 532 passes through connecting spring 536 elastic connection with pressure sensor 535, the connecting rod 533 has been cup jointed to loop bar 531, connecting rod 533 and sliding ring 532 fixed connection, the ball 534 is inlayed to the one end that the sliding ring 532 was kept away from to connecting rod 533, through the use of ball 534, can reduce the wearing and tearing with the blasthole internal diameter, under the effect of pin joint lever 55, adjust the distance of detection assembly 53, make ball 536 and blasthole inner wall contact, and make connecting spring 536 compressed, pressure sensor 535 receive certain pressure, the flexible volume that the pressure sensor 535 receives slowly the pressure that receives through electric telescopic rod 1, the flexible volume that the connecting rod 536 stretches into the blasthole, the elastic coefficient of connecting spring 536 is different, the measuring the elastic coefficient of connecting rod 533 is reached through the elastic coefficient, the measuring the elastic coefficient of connecting rod 533, and the measuring the flexible volume is more accurate, and more accurate measuring the whole expansion ratio is achieved.

In the utility model, when in use, the fixed cavity 51 is stretched into the blast hole, the rotary handle 46 is rotated to drive the driving gear to rotate, the driven gear drives the screw rod 41 to rotate under the transmission action of the driven gear, the sliding column 43 is further downwards moved under the limit action of the guide rod 44 to further drive the vertical rod 56 to downwards move, the ball 534 is contacted with the inner wall of the blast hole under the action of the hinging rod 55, the connecting spring 536 is compressed, the pressure sensor 535 receives a certain pressure, and the connecting rod 533 stretches under the action of the connecting spring 536 due to the difference of the inner walls of the blast hole in the process that the fixed sleeve 3 is driven by the electric telescopic rod 1 to slowly stretch into the blast hole, the pressure received by the pressure sensor 535 changes, the stretching amount of the connecting spring 536 is obtained through the elastic coefficient of the connecting spring 536, and the range of the inner diameter value of the whole blast hole is obtained through the adjusting distance of the connecting rod 533.

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 (6)

1. The utility model provides a blast hole depth measuring device, includes electric telescopic handle (1), its characterized in that: the end fixedly connected with handle (2) of electric telescopic handle (1), fixedly connected with fixed cover (3) on the flexible end of electric telescopic handle (1), the inside of fixed cover (3) is provided with adjusting part (4), the one end fixedly connected with measuring mechanism (5) of electric telescopic handle (1) is kept away from to fixed cover (3), measuring mechanism (5) include:

the fixed cavity (51), the one end of electric telescopic handle (1) is kept away from in fixed chamber (51) fixed connection in fixed cover (3), sliding connection has slide (52) on the inner wall in fixed chamber (51), fixedly connected with detection component (53) on the outer wall of slide (52), return spring (54) elastic connection is passed through with the inner wall in fixed chamber (51) in slide (52), the upside of slide (52) articulates there is articulated pole (55), articulated pole (55) are kept away from the one end of slide (52) articulated montant (56).

2. The blast hole depth measuring device according to claim 1, wherein: the detection assembly (53) comprises a loop bar (531), a slip ring (532) is slidably connected to the inner wall of the loop bar (531), a pressure sensor (535) is fixedly connected to the inner wall of the loop bar (531), and the slip ring (532) is elastically connected with the pressure sensor (535) through a connecting spring (536).

3. A blast hole depth measuring apparatus according to claim 2, wherein: the sleeve rod (531) is sleeved with a connecting rod (533), the connecting rod (533) is fixedly connected with the slip ring (532), and one end, far away from the slip ring (532), of the connecting rod (533) is embedded with a ball (534).

4. The blast hole depth measuring device according to claim 1, wherein: the adjusting assembly (4) comprises a screw rod (41), the screw rod (41) penetrates through a driven bevel gear (42) and is fixedly connected with the driven bevel gear (42), a driving bevel gear (45) is meshed with the driven bevel gear (42), and a rotating handle (46) is fixedly connected with the driving bevel gear (45).

5. The blast hole depth measuring device according to claim 4, wherein: the screw rod (41) is in threaded connection with a sliding column (43), and the sliding column (43) is penetrated by a guide rod (44) and is in sliding connection with the guide rod (44).

6. The blast hole depth measuring device according to claim 5, wherein: the vertical rod (56) is fixedly connected with the sliding column (43).