Drilling device for rock layer blasting

Abstract

The utility model discloses a drilling device for rock stratum blasting, which relates to the technical field of rock stratum drilling and comprises a fixing plate, a through hole is formed in the center of the fixing plate, a drilling machine is slidably connected in the through hole, and a plurality of supporting rods are annularly connected to the fixing plate at equal angles through first rotating rods and first torsion springs. A clamping assembly is arranged on the fixing plate, the clamping assembly is used for clamping and fixing the multiple supporting rods at the same time, and the clamping assembly comprises a plurality of pairs of second rotating rods which are annularly and fixedly connected to the bottom of the fixing plate at equal angles. During use, the supporting rod can be reliably and quickly clamped and fixed through the arranged clamping assembly, so that the supporting rod is prevented from rotating in the drilling process, the reliability of supporting and positioning of the drilling machine by the supporting rod is guaranteed, and therefore the phenomenon that a drill bit of the drilling machine slips in the drilling process can be effectively prevented; and the drilling work can be smoothly carried out, and the safety of workers can be effectively protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to rock layer drilling technology field especially relates to a rock layer blasting drilling device. BACKGROUND

[0002] With the high -speed development of industrialization process, infrastructure projects spread various regions, need to break up rock layer in some infrastructure projects to guarantee infrastructure project can normal construction, therefore rock layer blasting drilling technology has been widely used in town construction, bridge tunnel engineering, water conservancy and hydropower engineering, mining and various road engineering construction.

[0003] When rock layer is blasted, need to use rock layer blasting special drilling device to drill the node of rock layer suitable for blasting, so as to put explosive into the node and blast, so that the most reasonable explosive quantity can achieve the required blasting effect.

[0004] The Chinese invention patent with patent application number CN202211134057.1 records a blasting drilling device for blasting construction, which can avoid the phenomenon of slipping when the drill bit contacts the working surface during drilling, is beneficial to the stable and accurate drilling of the drill bit into the rock layer, but the power for limiting the roller in the above-mentioned drilling device comes from the power of the gear rotating driven by the rack when the straight rod moves along the cylinder in the opposite direction when the drill bit and the cylinder are pressed down, which will cause the roller to be limited and unable to rotate when the drill bit and the cylinder move downward, thereby bringing resistance to the rotation of the support, causing the roller to basically lose the sliding function, so that the roller cannot roll to drive the support to rotate, thereby causing trouble to the positioning work of the drilling device and increasing the use difficulty of the drilling device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a rock layer blasting drilling device to solve the problem of the positioning work of the existing rock layer blasting drilling device being more troublesome before drilling and increasing the use difficulty of the drilling device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rock layer blasting drilling device, comprising a fixed plate, a through hole is formed in the central position of the fixed plate, a drilling machine is slidably connected in the through hole, a plurality of support rods are connected in equal angles in a ring shape on the fixed plate through a first rotating rod and a first torsional spring, and a clamping assembly is arranged on the fixed plate.

[0007] The clamping assembly is used for clamping and fixing the plurality of support rods simultaneously.

[0008] Preferably, the clamping assembly comprises a plurality of pairs of second rotating rods fixedly connected in an equiangular ring shape on the bottom of the fixed plate, two clamping plates are symmetrically fixed on each pair of the second rotating rods, a plurality of pairs of the clamping plates are respectively located on both sides of the plurality of supporting rods, a first elastic member is fixedly connected between the top of the clamping plate and the bottom of the fixed plate, and the clamping assembly further comprises a driving mechanism arranged on the fixed plate, the driving mechanism is used for driving each pair of clamping plates to rotate towards each other to clamp the supporting rods.

[0009] Preferably, the driving mechanism comprises a plurality of limiting cavities arranged in an equiangular ring shape on the top of the fixed plate, a plurality of swing rods are rotatably connected between the inner walls of the plurality of limiting cavities through third rotating rods and third torsion springs, the bottom ends of the plurality of swing rods respectively penetrate the plurality of limiting cavities and are all fixedly connected with push blocks, the push blocks are located at the intermediate positions of a pair of clamping plates, and the driving mechanism further comprises a pushing member, the pushing member is used for driving the plurality of swing rods to rotate towards the direction close to the axis of the through hole or the direction away from the axis of the through hole.

[0010] Preferably, the pushing member comprises a push ring fixedly connected on the top of the fixed plate through a second elastic member, the axis of the push ring coincides with the axis of the through hole, the top ends of the plurality of swing rods penetrate the inner circle of the push ring and are tightly abutted together, and the push ring is movably sleeved on the outer side of the drilling machine, the pushing member further comprises a pressing unit arranged on the fixed plate, and the pressing unit is used for pressing the push ring downwards, so that the plurality of swing rods are driven to rotate towards the direction close to the center of the through hole, thereby clamping the supporting rods by the clamping plates, and the clamping operation becomes simple and direct, and the reliability of clamping is further improved.

[0011] Preferably, the pressing unit comprises a fixed ring fixedly sleeved on the outer side of the drilling machine, and two groups of third elastic members are symmetrically fixedly connected between the bottom of the fixed ring and the top of the push ring, so that the pressure on the push ring can be maintained through the fixed ring and the third elastic members while the drilling machine is pressed downwards to drill, thereby ensuring the clamping firmness of the supporting rods, ensuring the smooth drilling work, and greatly improving the practicability and reliability of the drilling device.

[0012] In summary, the technical effects and advantages of the drilling device are as follows:

[0013] 1. The utility model discloses a clamping assembly can reliably and quickly clamp and fix the support rod, thereby preventing the support rod from rotating in the drilling process, ensuring the reliability of the support and positioning of the drilling machine, which can effectively prevent the drilling machine drill bit from slipping in the drilling process, ensure the smooth progress of the drilling work and effectively protect the safety of the staff.

[0014] 2. The utility model discloses a clamping plate is set up and clamps and fixes the support rod to complete the fixing work of support rod, so need not to clamp the roller, ensure that when the clamping plate releases the support rod, the roller can flow on the rock layer surface at the drilling point and roll smoothly, make the angle regulation work of support rod carry out smoothly, thereby ensure that the positioning work is carried out quickly and smoothly, simplify the positioning operation, improve the drilling efficiency of the device. ACCURATE DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by the person skilled in the art without creating labor.

[0016] Figure 1 It is a structure schematic view of the drilling device for rock layer blasting in the embodiment of the utility model;

[0017] Figure 2 It is a first partial structure schematic view of the drilling device for rock layer blasting in the embodiment of the utility model;

[0018] Figure 3 It is a second partial structure schematic view of the drilling device for rock layer blasting in the embodiment of the utility model;

[0019] Figure 4 It is a third partial structure schematic view of the drilling device for rock layer blasting in the embodiment of the utility model;

[0020] Figure 5 It is a fourth partial structure schematic view of the drilling device for rock layer blasting in the embodiment of the utility model.

[0021] In the drawing: 1, fixed plate; 2, through -hole; 3, drilling machine; 31, handle; 32, stop plate; 4, support rod; 5, clamping assembly; 51, second rotating lever; 52, clamping plate; 53, first elastic part; 54, driving mechanism; 541, limit cavity; 542, swing lever; 543, push block; 544, pusher; 5441, push ring; 5442, second elastic part; 6, pressing unit; 61, fixed ring; 62, third elastic part; 7, roller. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Embodiment 1

[0024] Please refer to Figures 1-5 The rock layer drilling device shown in the figure, including the fixed plate 1, the central position of the fixed plate 1 is provided with a through hole 2, the through hole 2 is slidably connected with the drilling machine 3 through the limiting groove and the limiting strip, the top of the drilling machine 3 is fixedly connected with the handle 31, a plurality of support rods 4 are connected in a ring shape at equal angles on the fixed plate 1 through the first rotating rod and the first torsion spring, the fixed plate 1 is provided with a clamping assembly 5;

[0025] The clamping assembly 5 is used for clamping and fixing the plurality of support rods 4 simultaneously.

[0026] The bottom end of the support rod 4 is rotatably connected with the roller 7, which can make the bottom end of the support rod 4 smoothly slide along the surface where the drilling point is located, so that the positioning work of the drill bit of the drilling machine 3 and the determination operation of the support position can be efficiently carried out, and the efficiency of the drilling process is improved;

[0027] The drilling machine 3 is fixedly sleeved with a stop plate 32, the stop plate 32 is located on the lower side of the fixed plate 1, and the length of the stop plate 32 is greater than the hole diameter of the through hole 2, so that the drill bit can be limited and prevented from moving to the upper side of the fixed plate 1.

[0028] Reference Figure 4 And Figure 5 The clamping assembly 5 includes a plurality of pairs of second rotating rods 51 fixedly connected in a ring shape at equal angles at the bottom of the fixed plate 1, two clamping plates 52 are fixedly sleeved on each pair of second rotating rods 51 in a symmetrical manner, the plurality of pairs of clamping plates 52 are located on the two sides of the plurality of support rods 4 respectively, a first elastic member 53 is fixedly connected between the top of the clamping plate 52 and the bottom of the fixed plate 1, and the clamping assembly 5 further includes a driving mechanism 54 arranged on the fixed plate 1, the driving mechanism 54 is used for driving each pair of clamping plates 52 to rotate towards the direction of approaching to clamp the support rod 4.

[0029] Specifically, the support rod 4 can be clamped by the two clamping plates 52 abutting against each other on the two sides of the support rod 4, which can ensure that the support rod 4 can be reliably and stably clamped at any angle, ensure the support and positioning effect of the support rod 4 on the drilling machine 3, ensure that the drilling work can be stably and reliably carried out, and improve the reliability and practicality of the drilling device.

[0030] refer to Figures 2-5 The drive mechanism 54 includes multiple limiting cavities 541 that are opened at equal angles in a ring on the top of the fixed plate 1. Multiple rocker arms 542 are rotatably connected between the inner walls of the multiple limiting cavities 541 through a third rotating rod and a third torsion spring. The bottom ends of the multiple rocker arms 542 pass through the multiple limiting cavities 541 respectively and are all fixedly connected to push blocks 543. The push blocks 543 are located in the middle of a pair of clamping plates 52. The drive mechanism 54 also includes a pusher 544, which is used to push the multiple rocker arms 542 to rotate in a direction close to or away from the axis of the through hole 2.

[0031] Specifically, the pusher 544 pushes multiple rocker arms 542 to rotate, thereby causing the pusher block 543 to move closer to or further away from the clamping plate 52. This, in conjunction with the first torsion spring, enables the clamping plate 52 to clamp or release the support rod 4, ensuring that the clamping operation is stable and reliable and improving the reliability of the drilling device.

[0032] refer to Figure 1 and Figure 2 The pusher 544 includes a push ring 5441 fixedly connected to the top of the fixed plate 1 by a second elastic member 5442. The axis of the push ring 5441 coincides with the axis of the through hole 2. The top ends of multiple rocker arms 542 pass through the inner ring of the push ring 5441 and are tightly pressed against the inner ring of the push ring 5441. The push ring 5441 is movably sleeved on the outer side of the drilling rig 3. The pusher 544 also includes a pressing unit 6 provided on the fixed plate 1. The pressing unit 6 is used to press the push ring 5441 downward.

[0033] Specifically, by pushing the push ring 5441 downward through the clamping unit 6, multiple swing rods 542 can be pushed to rotate in the direction close to the center of the through hole 2, thereby causing the clamping plate 52 to clamp the support rod 4, making the clamping operation simple and direct, further improving the reliability of clamping, and ensuring the support and positioning effect of the support rod 4.

[0034] refer to Figure 1 and Figure 2 The clamping unit 6 includes a fixing ring 61 that is fixedly sleeved on the outer side of the drilling rig 3. Two sets of third elastic elements 62 are symmetrically fixedly connected between the bottom of the fixing ring 61 and the top of the push ring 5441.

[0035] Specifically, while the drilling rig 3 is drilling, the pressure on the push ring 5441 can be maintained by the fixing ring 61 and the third elastic element 62, thereby ensuring the clamping firmness of the support rod 4, ensuring the smooth progress of the drilling work, and greatly improving the practicality and reliability of the drilling device.

[0036] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A drilling device for blasting rock layers, comprising a fixing plate (1), characterized in that: The fixed plate (1) has a through hole (2) in the center, and a drill (3) is slidably connected in the through hole (2). Multiple support rods (4) are connected in a ring at the same angle by a first rotating rod and a first torsion spring on the fixed plate (1). The fixed plate (1) is provided with a clamping assembly (5). The clamping assembly (5) is used to clamp and fix multiple support rods (4) simultaneously.

2. The drilling device for rock blasting according to claim 1, characterized in that: The clamping assembly (5) includes multiple pairs of second rotating rods (51) fixedly connected at equal angles in a ring at the bottom of the fixed plate (1). Two clamping plates (52) are symmetrically fixedly sleeved on each pair of second rotating rods (51). The multiple pairs of clamping plates (52) are located on both sides of multiple support rods (4). A first elastic element (53) is fixedly connected between the top of the clamping plate (52) and the bottom of the fixed plate (1). The clamping assembly (5) also includes a driving mechanism (54) provided on the fixed plate (1). The driving mechanism (54) is used to drive each pair of clamping plates (52) to rotate in a direction that approaches each other to clamp the support rods (4).

3. The drilling device for rock blasting according to claim 2, characterized in that: The driving mechanism (54) includes multiple limiting cavities (541) that are opened at equal angles in a ring on the top of the fixed plate (1). Multiple swing rods (542) are rotatably connected between the inner walls of the multiple limiting cavities (541) through a third rotating rod and a third torsion spring. The bottom ends of the multiple swing rods (542) pass through the multiple limiting cavities (541) and are all fixedly connected to push blocks (543). The push blocks (543) are located in the middle of a pair of clamping plates (52). The driving mechanism (54) also includes a pusher (544), which is used to push the multiple swing rods (542) to rotate in a direction close to or away from the axis of the through hole (2).

4. The drilling device for rock blasting according to claim 3, characterized in that: The pusher (544) includes a push ring (5441) fixedly connected to the top of the fixed plate (1) by a second elastic element (5442). The axis of the push ring (5441) coincides with the axis of the through hole (2). The top ends of the multiple swing rods (542) pass through the inner ring of the push ring (5441) and are tightly abutted against the inner ring of the push ring (5441). The push ring (5441) is movably sleeved on the outer side of the drilling rig (3). The pusher (544) also includes a pressing unit (6) provided on the fixed plate (1). The pressing unit (6) is used to press the push ring (5441) downward.

5. A drilling device for rock blasting according to claim 4, characterized in that: The clamping unit (6) includes a fixing ring (61) fixedly sleeved on the outer side of the drilling rig (3), and two sets of third elastic elements (62) are symmetrically fixedly connected between the bottom of the fixing ring (61) and the top of the push ring (5441).

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