阅读说明：本技术 深长炮孔的爆破压力传感器安装装置及安装方法 (Device and method for mounting blasting pressure sensor of deep and long blast hole ) 是由 刘库 马春德 朱永领 李启月 吴洋 王占强 谢超群 于 2021-08-06 设计创作，主要内容包括：本发明提供了一种深长炮孔的爆破压力传感器安装装置,包括：手柄,所述手柄连接有连接杆,所述连接杆上设置有稳杆器,所述稳杆器用于在炮孔内稳定安装装置,所述连接杆的尾端安装有膨胀性橡胶圈,所述膨胀性橡胶圈的表面通过双面胶粘贴设置有铝箔,所述铝箔用于安装爆破压力传感器；打气筒,所述打气筒设置有充气管,所述充气管穿设在所述稳杆器上,所述充气管的尾端连通所述膨胀性橡胶圈；本发明还提供了一种深长炮孔的爆破压力传感器安装方法。本发明的结构设计合理,安装方法便捷,能够把爆破压力传感器精确地粘贴在炮孔壁上,并且能够自由调整垂直作用在爆破压力传感器上的压力。(The invention provides a device for mounting a bursting pressure sensor in a deep and long blast hole, which comprises: the device comprises a handle, a connecting rod, a rod stabilizer, an expansion rubber ring, an aluminum foil and a blasting pressure sensor, wherein the handle is connected with the connecting rod, the rod stabilizer is arranged on the connecting rod and used for stably installing the device in a blast hole, the tail end of the connecting rod is provided with the expansion rubber ring, the surface of the expansion rubber ring is provided with the aluminum foil through double-sided adhesive tape adhesion, and the aluminum foil is used for installing the blasting pressure sensor; the inflator is provided with an inflation tube, the inflation tube is arranged on the rod stabilizer in a penetrating mode, and the tail end of the inflation tube is communicated with the expandable rubber ring; the invention also provides a method for mounting the explosion pressure sensor of the deep and long blast hole. The invention has reasonable structural design and convenient and fast installation method, can accurately paste the blasting pressure sensor on the wall of the blast hole, and can freely adjust the pressure vertically acting on the blasting pressure sensor.)

1. A burst pressure sensor mounting device for a deep and long blast hole, comprising:

the device comprises a handle (1), wherein the handle (1) is connected with a connecting rod (2), a rod stabilizer (3) is arranged on the connecting rod (2), the rod stabilizer (3) is used for stably installing the device in a blast hole, an expandable rubber ring (4) is installed at the tail end of the connecting rod (2), an aluminum foil (5) is adhered to the surface of the expandable rubber ring (4) through double-faced adhesive, and the aluminum foil (5) is used for installing a blasting pressure sensor (6);

the inflator (7), the inflator (7) is provided with an inflation tube (8), the inflation tube (8) penetrates through the rod stabilizer (3), and the tail end of the inflation tube (8) is communicated with the expandable rubber ring (4).

2. The deep-blasthole burst pressure sensor mounting arrangement as set forth in claim 1, characterized in that an angle indicator disk (9) is mounted on said connecting rod (2).

3. The deep-long blast hole burst pressure sensor mounting device according to claim 1, wherein said burst pressure sensor (6) is provided with a signal line (10), said signal line (10) passing through said stabilizer (3) and being connected with an externally provided burst pressure tester (11).

4. The deep-blasthole burst pressure sensor mounting arrangement as set forth in claim 1, characterized in that said connecting rod (2) is formed by a plurality of secondary connecting rods, which are coupled end to form said connecting rod (2).

5. The deep and long blasthole burst pressure sensor mounting device as set forth in claim 1, wherein said stabilizer comprises any number of sliding support assemblies, each of said sliding support assemblies comprising a sliding sleeve (12) and a fixed sleeve (13), said sliding sleeve (12) being slidably disposed on said connecting rod (2), said fixed sleeve (13) being fixedly disposed on said connecting rod (2), said connecting rod (2) being closely provided with a plurality of latches (14), said sliding sleeve (12) being provided with a movable latch (15); articulated on sliding sleeve (12) are provided with many first connecting rods (16), articulated on fixed cover (13) are provided with many second connecting rods (17), the end of first connecting rod (16) and the end of second connecting rod (17) are articulated, the articulated department of first connecting rod (16) and second connecting rod (17) is provided with backup pad (18).

6. The deep blasthole burst pressure sensor mounting arrangement as set forth in claim 5, wherein said support plate (18) is provided at both ends with support pulleys (19).

7. A deep-blast-hole burst pressure sensor mounting method using the deep-blast-hole burst pressure sensor mounting apparatus according to claim 1, comprising:

step one, a blasting pressure sensor (6) is adhered to the surface of an aluminum foil (5), a signal line (10) of a blasting pressure sensor (11) and an inflation tube (8) penetrate through a rod stabilizer (3), the installation depth is calculated, a connecting rod (2) with a proper length is selected, the preset depth is measured from the blasting pressure sensor (6), and a mark is marked on the connecting rod (2) corresponding to the installation depth;

secondly, coating high-strength glue (20) on the surface of the blasting pressure sensor (6), slowly putting the whole device into a blast hole, and enabling the rod stabilizer (3) to play a role in stabilizing the whole device in the process;

and thirdly, when the mark made on the connecting rod (2) is level with the position of the hole opening, the mounting depth is reached, the device is rotated, the mounting angle is adjusted, after the mounting angle is adjusted, the inflator (7) starts to inflate the expandable rubber ring (4) through the inflation tube (8), after the expandable rubber ring (4) expands, the bursting pressure sensor (6) is attached to the hole wall of the blast hole, the air pressure in the expandable rubber ring (4) is kept, after the high-strength glue (20) is solidified, the air pressure is released, at the moment, the aluminum foil (5) wraps the bursting pressure sensor (6) and is adhered to the hole wall, the expandable rubber ring (4) is separated from the aluminum foil (5), the device is taken out of the hole, and the mounting of the bursting pressure sensor (6) is completed.

Technical Field

The invention relates to the technical field of rock blasting monitoring engineering, in particular to a device and a method for mounting a blasting pressure sensor of a deep and long blast hole.

Background

The direct measurement of the pressure of the wall of the rock blast hole is always a very interesting and difficult problem to solve in the impact blasting engineering, is concerned by scientific researchers in all countries around the world and becomes a long-standing scientific research hotspot. Particularly, the pressure of the borehole wall at different positions in the borehole, the pressure variation, the pressure distribution, the pressure duration and other parameters need to be selected and directly installed on the borehole wall, and therefore a certain technical means needs to be adopted.

The PVDF piezoelectric film pressure sensor has the advantages of wide pressure measuring range (0-20GPa), fast dynamic frequency response (nanosecond level), wide frequency band response (103Hz-109Hz), high mechanical strength, soft texture, high toughness and the like, and can be adhered to the wall of a gun hole to directly measure the impact load generated by blasting after proper protective measures are taken.

In order to obtain the blast hole explosion pressure at different positions from the explosive, the sensor needs to be adhered to the hole wall of the blast hole at different depths. Generally, the depth of a rock blast hole reaches several meters or even tens of meters, and the aperture is mostly between 50 mm-100 mm, therefore, pasting the sensor under this kind of long and narrow environment is a difficult and loaded down with trivial details work, especially the hole depth is greater than the position more than 1m, hardly makes the sensor effectively fixed, and pastes the position and produces the deviation easily, and this kind of deviation can make this probably lead to the unable effectual test result of accuracy that obtains.

Disclosure of Invention

The invention provides a device and a method for mounting a deep and long blast hole blasting pressure sensor, and aims to solve the problems that the conventional blasting pressure sensor is easy to deviate in mounting position and high in mounting difficulty.

In order to achieve the above object, an embodiment of the present invention provides a burst pressure sensor mounting device for a long and deep blast hole, including:

the device comprises a handle, a connecting rod, a rod stabilizer, an expansion rubber ring, an aluminum foil and a blasting pressure sensor, wherein the handle is connected with the connecting rod, the rod stabilizer is arranged on the connecting rod and used for stably installing the device in a blast hole, the tail end of the connecting rod is provided with the expansion rubber ring, the surface of the expansion rubber ring is provided with the aluminum foil through double-sided adhesive tape adhesion, and the aluminum foil is used for installing the blasting pressure sensor;

the inflator is provided with an inflation tube, the inflation tube penetrates through the rod stabilizer, and the tail end of the inflation tube is communicated with the expandable rubber ring.

Wherein, install angle indicator panel on the connecting rod.

The explosion pressure sensor is provided with a signal wire, and the signal wire penetrates through the rod stabilizer and is connected with an explosion pressure tester arranged outside.

The connecting rod comprises a plurality of secondary connecting rods, and the secondary connecting rods are connected in a head-to-tail coupling mode to form the connecting rod.

The rod stabilizer comprises any number of sliding support assemblies, each sliding support assembly comprises a sliding sleeve and a fixed sleeve, the sliding sleeves are slidably arranged on the connecting rods, the fixed sleeves are fixedly arranged on the connecting rods, a plurality of clamping teeth are closely arranged on the connecting rods, and movable buckles are arranged on the sliding sleeves; the sliding sleeve is hinged with a plurality of first connecting rods, the fixed sleeve is hinged with a plurality of second connecting rods, the end of each first connecting rod is hinged with the end of each second connecting rod, and a supporting plate is arranged at the hinged position of each first connecting rod and each second connecting rod.

Wherein, the both ends of backup pad all are provided with supporting pulley.

The embodiment of the invention also provides a method for installing the blasting pressure sensor of the deep and long blast hole, which applies the device for installing the blasting pressure sensor of the deep and long blast hole and is characterized by comprising the following steps:

step one, a blasting pressure sensor is adhered to the surface of an aluminum foil, a signal wire of the blasting pressure sensor and an inflation tube penetrate through a rod stabilizer, the installation depth is calculated, a connecting rod with a proper length is selected, the preset depth is measured from the position of the blasting pressure sensor, and a mark is made on the connecting rod corresponding to the installation depth.

And secondly, coating high-strength glue on the surface of the blasting pressure sensor, slowly putting the whole device into the blast hole, and enabling the rod stabilizer to play a role in stabilizing the whole device in the process.

And step three, when the mark on the connecting rod is level with the position of the hole opening, the installation depth is reached, the device is rotated to adjust the installation angle, after the installation angle is adjusted, the inflator starts to inflate the expandable rubber ring through the inflation tube, after the expandable rubber ring expands, the blasting pressure sensor is tightly attached to the hole wall of the blast hole, the air pressure in the expandable rubber ring is kept, after the high-strength glue is solidified, the air pressure is released, at the moment, the aluminum foil wraps the blasting pressure sensor and is attached to the hole wall, the expandable rubber ring is separated from the aluminum foil, the device is taken out of the hole, and the installation of the blasting pressure sensor is completed.

The scheme of the invention has the following beneficial effects:

the device for mounting the bursting pressure sensor for the deep and long blast hole is provided with a handle, a connecting rod, a rod stabilizer, an expandable rubber ring, an angle indicating disc and an inflator, wherein the bursting pressure sensor is adhered to the expandable rubber ring through an aluminum foil, the connecting rod and the expandable rubber ring are fed into the blast hole through the handle, the attitude of the device in the hole is stabilized through the rod stabilizer in the feeding process to avoid shaking, the mounting angle of the bursting pressure sensor is selected through the angle indicating disc, the inflator is used for inflating the expandable rubber ring through an inflation tube, and the bursting pressure sensor is extruded on the wall of the hole after the expandable rubber ring expands, so that the mounting is completed. The invention has reasonable structural design and convenient and fast installation and operation, can accurately paste the blasting pressure sensor on the wall of the blast hole, and can freely adjust the pressure vertically acting on the blasting pressure sensor.

Drawings

Fig. 1 is a schematic structural view of a device for mounting a burst pressure sensor in a deep and long blast hole according to embodiment 1 of the present invention;

FIG. 2 is a schematic view of an expandable rubber ring of the deep-long-hole burst pressure sensor mounting apparatus of the present invention;

FIG. 3 is an angle indicating diagram of the installation device of the burst pressure sensor for a long and deep blast hole according to the present invention;

fig. 4 is a schematic structural view of a device for mounting a burst pressure sensor in a deep and long blast hole according to embodiment 2 of the present invention;

fig. 5 is a partial structural schematic view of a device for mounting a burst pressure sensor in a deep and long blast hole according to embodiment 2 of the present invention.

[ description of reference ]

1-a handle; 2-a connecting rod; 3-a rod stabilizer; 4-an expandable rubber ring; 5-aluminum foil; 6-burst pressure sensor; 7-an inflator; 8-an inflation tube; 9-angle indicating dial; 10-a signal line; 11-a bursting pressure tester; 12-a sliding sleeve; 13-fixing the sleeve; 14-latch; 15-movable buckle; 16-a first link; 17-a second link; 18-a support plate; 19-a support pulley; 20-high strength glue.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

The invention provides a device and a method for mounting a deep and long blast hole blasting pressure sensor, aiming at the problems that the mounting position of the existing blasting pressure sensor is easy to deviate and the mounting difficulty is high.

Example 1

As shown in fig. 1 to 3, an embodiment of the present invention provides a deep-blasthole burst pressure sensor mounting apparatus, including: the device comprises a handle 1, wherein the handle 1 is connected with a connecting rod 2, a rod stabilizer 3 is arranged on the connecting rod 2, the rod stabilizer 3 is used for stably installing a device in a blast hole, the rod stabilizer 3 can stabilize the posture of the device in the hole and avoid shaking, an expandable rubber ring 4 is installed at the tail end of the connecting rod 2, an aluminum foil 5 is arranged on the surface of the expandable rubber ring 4 through double-faced adhesive tape adhesion, the aluminum foil 5 is self-adhesive, the aluminum foil 5 is used for installing a blasting pressure sensor 6, strong glue is pre-coated on the surface of the blasting pressure sensor 6, and the blasting pressure sensor 6 can be adhered to the inner wall of the blast hole through the strong glue; the inflator 7 is provided with an inflation tube 8, the inflation tube 8 penetrates through the rod stabilizer 3, the tail end of the inflation tube 8 is communicated with the expandable rubber ring 4, and the expandable rubber ring 4 can be inflated to be expanded through the inflator 7.

As shown in fig. 3, an angle indicator plate 9 is mounted on the connecting rod 2, and the angle indicator plate 9 can indicate the axial rotation angle of the mounting device in real time, so as to help determine the mounting angle of the burst pressure sensor 6.

The burst pressure sensor 6 is provided with a signal wire 10, the signal wire 10 penetrates through the rod stabilizer 3 and is connected with a burst pressure tester 11 arranged outside, and the pressure condition in the blast hole can be received through the burst pressure tester 11 arranged outside.

Wherein, connecting rod 2 comprises many secondary connecting rods, many secondary connecting rod head-to-tail coupling connects and constitutes connecting rod 2, through different quantity secondary connecting rod can constitute the connecting rod 2 of arbitrary demand length.

Example 2

As shown in fig. 4 and 5, the present embodiment includes the deep and long blast hole blasting pressure sensor mounting apparatus as described in embodiment 1, wherein the rod stabilizer includes any number of sliding support assemblies, the greater the number of the sliding support assemblies, the higher the stabilizing efficiency of the rod stabilizer, each sliding support assembly includes a sliding sleeve 12 and a fixed sleeve 13, the sliding sleeve 12 is slidably disposed on the connecting rod 2, the sliding sleeves 12 in each sliding support assembly are synchronously connected, other sliding sleeves 12 can be synchronously controlled when one sliding sleeve 12 is operated, the fixed sleeve 13 is fixedly disposed on the connecting rod 2, a plurality of latch teeth 14 are closely disposed on the connecting rod 2, and a movable buckle 15 is disposed on the sliding sleeve 12; a plurality of first connecting rods 16 are hinged to the sliding sleeve 12, a plurality of second connecting rods 17 are hinged to the fixed sleeve 13, the end of each first connecting rod 16 is hinged to the end of each second connecting rod 17, a supporting plate 18 is arranged at the hinged position of each first connecting rod 16 and each second connecting rod 17, and supporting pulleys 19 are arranged at two ends of each supporting plate 18; when operating personnel promoted sliding sleeve 12, the articulated department of first connecting rod 16 and second connecting rod 17 can be outwards outstanding, thereby will backup pad 18 bulldozes to the inner wall of big gun hole, plays the effect of supporting installation device, simultaneously owing to be provided with support pulley 19, stabiliser 3 can slide by the big gun hole inner wall relatively, consequently follows simultaneously sliding sleeve 12's motion can be through each latch, latch 14 can hinder movable buckle 15 reverse motion, thereby the restriction sliding sleeve 12's position, when pressing movable buckle 15, sliding sleeve 12 just can retreat, consequently can adapt to the big or small big gun hole installation of different apertures.

Example 3

The embodiment of the invention provides a method for installing a blasting pressure sensor of a deep and long blast hole, which applies a device for installing the blasting pressure sensor of the deep and long blast hole and comprises the following steps:

step one, a blasting pressure sensor 6 is adhered to the surface of an aluminum foil 5, a signal line 10 of a blasting pressure sensor 11 and an inflation tube 8 penetrate through a rod stabilizer 3, the installation depth is calculated, a connecting rod 2 with a proper length is selected, the preset depth is measured from the position of the blasting pressure sensor 6, and a mark is made on the connecting rod 2 corresponding to the installation depth.

And secondly, coating high-strength glue 20 on the surface of the blasting pressure sensor 6, slowly putting the whole device into a blast hole, and stabilizing the whole device by the rod stabilizer 3 in the process.

And step three, when the mark made on the connecting rod 2 is level with the position of the hole opening, the installation depth is reached, the device is rotated, the installation angle is adjusted, after the installation angle is adjusted, the inflator 7 starts to inflate the expandable rubber ring 4 through the inflation tube 8, after the expandable rubber ring 4 expands, the blasting pressure sensor 6 is tightly attached to the hole wall of the blast hole, the air pressure in the expandable rubber ring 4 is kept, after the high-strength glue 20 is solidified, the air pressure is released, at the moment, the aluminum foil 5 wraps the blasting pressure sensor 6 and is adhered to the hole wall, the expandable rubber ring 4 is separated from the aluminum foil 5, the device is taken out of the hole, and the installation of the blasting pressure sensor 6 is completed.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.