Auxiliary positioning device for boulder treatment blast hole drilling

Abstract

The utility model discloses an auxiliary positioning device for boulder treatment blast hole drilling, which comprises a fixing frame, a guide cylinder is fixedly assembled in the middle of the fixing frame, positioning frames are fixedly assembled on the left side wall and the right side wall of the fixing frame respectively, supporting components are fixedly assembled on the top of the fixing frame in a bilateral symmetry mode, and each supporting component comprises a fixing shaft. A telescopic shaft is inserted into the top of the fixing shaft, a supporting spring is fixedly assembled between the telescopic shaft and an inner cavity of the fixing shaft, and a dial gauge is arranged on the outer side wall of the fixing shaft. The guide cylinder is arranged in the device, the drilling direction of the drill rod can be effectively limited when a constructor operates the pneumatic drill to carry out blast hole opening operation, and therefore the accuracy of the drilling position is improved. In addition, a supporting assembly is further arranged in the device, through cooperative work of a telescopic shaft and a fixed shaft in the supporting assembly, the drilling depth can be accurately judged, and it is ensured that the drilling depth better conforms to construction specifications in the operation process of constructors.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of blasting hole drilling, in particular to an auxiliary positioning device for boulder treatment blasting hole drilling. BACKGROUND

[0002] In the process of road construction, the boulders on both sides of the road need to be treated by blasting to avoid affecting the subsequent construction. The existing blasting method is to drill a blasting hole on the boulder according to the construction requirements, and fill the blasting hole with a thermal expansion agent to complete the stone blasting of the boulder. In order to make the blasting hole meet the construction standard, an auxiliary positioning device is used to limit the drilling direction of the drill rod during the drilling operation of the blasting hole, thereby improving the accuracy of the drilling position. However, the existing auxiliary positioning device during drilling can only provide auxiliary positioning function, and it is not convenient for the construction personnel to judge the depth of the drilling during the drilling operation, which leads to the depth of the blasting hole not meeting the construction standard. Therefore, we propose an auxiliary positioning device for boulder treatment blasting hole drilling. SUMMARY

[0003] The purpose of the utility model is to provide an auxiliary positioning device for boulder treatment blasting hole drilling to solve the problems raised in the background.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: an auxiliary positioning device for boulder treatment blasting hole drilling, comprising a fixed frame, a guide cylinder is fixedly assembled in the middle of the fixed frame, a positioning frame is fixedly assembled on the left and right side walls of the fixed frame, and a support assembly is fixedly assembled on the top of the fixed frame in left-right symmetry;

[0005] The support assembly comprises a fixed shaft, the fixed shaft is fixedly connected to the surface of the fixed frame, an extension shaft is inserted into the top of the fixed shaft, a support spring is fixedly assembled between the extension shaft and the inner cavity of the fixed shaft, a supporting plate is fixedly connected to the top of the extension shaft, and a scale is provided on the outer side wall of the fixed shaft.

[0006] Preferably, the number of fixed shafts and extension shafts is matched, the number of fixed shafts is at least two, and the two fixed shafts are distributed in front and back symmetry at the center of the guide cylinder.

[0007] Preferably, a reinforcing rod is fixedly connected between the two extension shafts.

[0008] Preferably, a limiting assembly is assembled between the extension shaft and the fixed shaft, a limiting slider is fixedly connected to the bottom of the extension shaft, a limiting sliding groove is provided on the side wall of the fixed shaft, and the limiting slider is slidingly connected in the limiting sliding groove.

[0009] Preferably, the bottom of the guide cylinder is fixedly connected with the inner cavity side wall of the fixing frame.

[0010] Preferably, the positioning frame comprises a positioning frame body, the bottom of the positioning frame body is provided with a treading groove, the bottom of the treading groove is uniformly provided with anti-skid lines, and a protective sleeve is fixedly assembled in the positioning frame body.

[0011] Compared with the prior art, the device has the advantages that: the device is internally provided with a guide cylinder, can effectively limit the drilling direction of the drill rod when a construction personnel operates a hand air drill to perform a blast hole opening operation, thereby improving the accuracy of the drilling position. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a perspective view of the utility model.

[0013] Figure 2 It is a structural schematic view of the fixing frame of the utility model.

[0014] Figure 3 It is a structural schematic view of the positioning frame of the utility model.

[0015] Figure 4 It is a structural schematic view of the supporting assembly of the utility model.

[0016] Figure 5 It is Figure 4 a detail view of a in ,

[0017] , Figure 6 It is a schematic view of the hand air drill after assembly during the drilling process of the utility model.

[0018] In the figure: 1, fixing frame; 2, guide cylinder; 3, reinforcing frame; 4, positioning frame; 41, positioning frame body; 42, treading groove; 43, anti-skid line; 44, protective sleeve; 5, supporting assembly; 51, fixed shaft; 52, telescopic shaft; 53, supporting plate; 54, supporting spring; 55, scale table; 56, reinforcing rod; 6, limiting assembly; 61, limiting sliding block; 62, limiting sliding groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 ,Figure 4 、and Figure 5 The utility model provides a technical scheme: an auxiliary positioning device for boulder treatment blasting hole drilling, including fixed frame 1, fixed frame 1 is hollow, the middle part of fixed frame 1 is fixedly equipped with guide cylinder 2, guide cylinder 2 is used for guiding the drilling direction of drill rod, as Figure 2 Indicated in the figure, the bottom of guide cylinder 2 and the inner cavity side wall of fixed frame 1 are welded and fixed with the reinforcing frame 3 that is left, right symmetry distribution, the stability of guide cylinder 2 in the process of guiding drill rod is strengthened by setting reinforcing frame 3, the left and right side walls of fixed frame 1 are welded and fixed with positioning frame 4 respectively, positioning frame 4 is used for the fixed position of auxiliary fixed frame 1 in the process of limiting and guiding drill rod.

[0021] As Figure 3 Indicated, positioning frame 4 includes positioning frame main body 41, and the inside of positioning frame main body 41 is provided with treading groove 42, and treading groove 42 is used for the treading of the foot of construction personnel in the drilling process, the stability of the fixed position of positioning frame 4 and fixed frame 1 on the ground is increased by the treading of the foot of construction personnel to treading groove 42, the bottom of treading groove 42 is evenly provided with anti-skid line 43, to avoid the slippage between work shoes and treading groove 42 in the process of treading of construction personnel, the inner cavity of positioning frame main body 41 is fixedly equipped with protective sleeve 44 by fixed screw, when the foot of construction personnel is inserted into treading groove 42 to fix positioning frame 4, the foot of construction personnel is protected by protective sleeve 44, further strengthen the stability of the fixed connection between the foot of construction personnel and treading groove 42, to avoid the position deviation of positioning frame 4 and fixed frame 1 in the process of drilling.

[0022] As Figure 1 And Figure 4 Indicated, the top of fixed frame 1 is fixedly equipped with the support assembly 5 that is left, right symmetry distribution, support assembly 5 not only can provide auxiliary support to hand drill in the process of drilling, but also can facilitate the depth of drilling to be judged in the process of drilling;

[0023] Support assembly 5 includes fixed shaft 51, and fixed shaft 51 is symmetrically welded and fixed on the surface of fixed frame 1, each fixed shaft 51 is equipped with telescopic shaft 52 respectively, the top of two telescopic shafts 52 is welded and fixed with supporting plate 53, supporting plate 53 is used for the support of auxiliary hand drill in the construction process, to facilitate the drilling operation of construction personnel, and support spring 54 is assembled between the bottom of telescopic shaft 52 and fixed shaft 51, telescopic shaft 52 is supported by the elastic force of support spring 54, and the side wall of fixed shaft 51 is provided with scale table 55, and the initial scale of scale table 55 corresponds to the bottom position of telescopic shaft 52, which facilitates the judgment of the depth of drilling by construction personnel in the drilling process by setting scale table 55.

[0024] AsFigure 5 As shown in the middle, the bottom of the telescopic shaft 52 is fixedly connected with a limiting sliding block 61, the side wall of the fixed shaft 51 is provided with a limiting sliding groove 62, the limiting sliding block 61 is slidingly connected in the limiting sliding groove 62, the limiting assembly 6 composed of the limiting sliding block 61 and the limiting sliding groove 62 can limit the movement stroke of the telescopic shaft 52 in the fixed shaft 51, the accuracy of the movement stroke of the telescopic shaft 52 in the fixed shaft 51 is provided, and meanwhile the bottom of the limiting sliding block 61 corresponds to the initial scale position of the scale table 55, which serves as a basis for judging the drilling depth.

[0025] The two telescopic shafts 52 are welded with a reinforcing rod 56, the connecting strength between the telescopic shaft 52 and the supporting plate 53 is strengthened through the reinforcing rod 56, the connection between the telescopic shaft 52 and the supporting plate 53 is more stable, and deformation between the supporting plate 53 and the telescopic shaft 52 after long time use is avoided.

[0026] Working principle: as shown in Figure 1 and Figure 6 As shown in the middle, in the process of road construction, the boulder needs to be treated according to the construction requirements, the boulder needs to be treated by blasting, and the drilling operation of the blasting hole needs to be performed according to the regulations before blasting, and the drilling requirements are usually: the interval is 1.5-2 meters, the hole depth is 0.5-1 meters according to the height of the boulder, and the hole is drilled by using a hand drill, in the process of using the device, the bottom of the guide cylinder 2 is aligned with the drilling position of the blasting hole, then the construction personnel inserts the feet into the positioning frame 4, the position of the fixing frame 1 is fixed by treading the positioning frame 4, the drill rod of the hand drill is guided into the guide cylinder 2, the initial height of the supporting plate 53 is matched with the height of the hand drill, the drill rod is located at the bottom position of the guide cylinder 2 when the supporting plate 53 is located at the initial position, the drilling direction can be guided by using the guide cylinder 2, the verticality of the drilling direction is ensured, and meanwhile the supporting assembly 5 can assist in supporting the hand drill in the process of drilling, the hand drill is pressed down for drilling, the supporting plate 53 and the telescopic shaft 52 move downward in the inner cavity of the fixed shaft 51 in the process of pressing down the hand drill, the opening depth of the hand drill can be accurately judged by using the scale table 55, the construction personnel can operate according to the construction standard, and the accuracy of the drilling depth of the construction personnel is improved.

Claims

1. An auxiliary positioning device for drilling a boulder treatment blast hole, comprising a fixing frame (1), characterized in that: The middle part of the fixing frame (1) is fixedly provided with a guide cylinder (2), the left and right side walls of the fixing frame (1) are respectively fixedly provided with a positioning frame (4), and the top of the fixing frame (1) is fixedly provided with a supporting assembly (5) in a left-right symmetrical manner. The supporting assembly (5) comprises a fixed shaft (51) fixedly connected to the surface of the fixing frame (1), a telescopic shaft (52) inserted into the top of the fixed shaft (51), a supporting spring (54) fixedly arranged between the telescopic shaft (52) and the inner cavity of the fixed shaft (51), and a supporting plate (53) fixedly connected to the top of the telescopic shaft (52).

2. The auxiliary positioning device for drilling the boulder treatment blasting hole according to claim 1, characterized in that: The number of the fixed shaft (51) and the telescopic shaft (52) is matched, the number of the fixed shaft (51) is at least two, and the two fixed shafts (51) are symmetrically distributed in front of and behind the center of the guide cylinder (2).

3. The auxiliary positioning device for drilling the boulder treatment blasting hole according to claim 2, characterized in that: Two telescopic shafts (52) are fixedly connected with a reinforcing rod (56).

4. The auxiliary positioning device for drilling the boulder treatment blasting hole according to claim 1, characterized in that: A limiting assembly (6) is arranged between the telescopic shaft (52) and the fixed shaft (51), a limiting sliding block (61) is fixedly connected to the bottom of the telescopic shaft (52), a limiting sliding groove (62) is formed in the side wall of the fixed shaft (51), and the limiting sliding block (61) is slidably connected in the limiting sliding groove (62).

5. The auxiliary positioning device for drilling the boulder treatment blasting hole according to claim 1, characterized in that: The bottom of the guide cylinder (2) and the inner cavity side wall of the fixing frame (1) are fixedly connected with a reinforcing frame (3).

6. The auxiliary positioning device for drilling the boulder treatment blasting hole according to claim 1, characterized in that: The positioning frame (4) comprises a positioning frame body (41), the bottom of the positioning frame body (41) is provided with a stepping groove (42), the bottom of the stepping groove (42) is uniformly provided with anti-skid lines (43), and the positioning frame body (41) is fixedly provided with a protective sleeve (44) in the positioning frame body (41). The positioning frame body (41) is fixedly provided with a protective sleeve (44) in the positioning frame body (41). ​

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