CN111811352B - Mine blasting protector - Google Patents

Abstract

The application relates to a mine blasting protection device, which comprises a plurality of protection units, wherein each protection unit comprises a support frame, a connecting device and a protection device, and the protection devices are arranged on the support frames; the connecting device comprises a first connecting block, a second connecting block, a first connecting rod and a first adjusting mechanism, wherein the first connecting block is arranged at one end of the supporting frame, and a clamping groove is formed in the first connecting block; the second connecting block is arranged at the other end of the supporting frame, and the first connecting rod is arranged on the second connecting block; the first adjusting mechanism is arranged on the second connecting block and is connected with the first connecting rod; the first connecting rod can be clamped with the clamping groove on the adjacent supporting frame. This application has the influence that reduces the protecting effect.

Description

Mine blasting protector

Technical Field

The application relates to the technical field of protective devices, in particular to a mine blasting protective device.

Background

The function of the blasting technology is very important in large-scale projects such as railways, mines, reservoirs and the like. Blasting technology is used for digging a tunnel in a mining and road repairing manner and removing old buildings in cities.

Referring to fig. 1, the mine blasting protection device comprises a plurality of protection units, wherein each protection unit comprises a support frame 200, and a protection plate 410 is arranged on each support frame 200. The supporting frames 200 are placed on the ground, and the two adjacent supporting frames 200 are mutually butted; two adjacent protection plates 410 conflict each other, and when blasting the mine, protection plate 410 blocks the rubble, avoids the rubble to drop on the highway and influences the travel of vehicle.

To the correlation technique among the above-mentioned, the inventor thinks that there is when a large amount of rubbles concentrate on one of them guard plate, and these rubbles concentrated together will be bigger to the pressure of guard plate, and the guard plate will drive the support frame motion, and the support frame motion back, holistic protective effect will be influenced.

Disclosure of Invention

In order to reduce the influence to the safeguard effect, this application provides a mine blasting protector.

The application provides a mine blasting protector adopts following technical scheme:

a mine blasting protection device comprises a plurality of protection units, wherein each protection unit comprises a support frame, a connecting device and a protection device, and the protection devices are arranged on the support frames; the connecting device comprises a first connecting block, a second connecting block, a first connecting rod and a first adjusting mechanism, wherein the first connecting block is arranged at one end of the supporting frame, and a clamping groove is formed in the first connecting block; the second connecting block is arranged at the other end of the supporting frame, and the first connecting rod is arranged on the second connecting block; the first adjusting mechanism is arranged on the second connecting block and is connected with the first connecting rod; the first connecting rod can be clamped with the clamping groove on the adjacent supporting frame.

By adopting the technical scheme, after the support frame is placed on the ground, the first adjusting mechanism is started, the first adjusting mechanism drives the first connecting rod to move on the second connecting block, so that the first connecting rod on the support frame is clamped with the clamping groove of the first connecting block on the adjacent support frame, and the stability between the two adjacent support frames is improved; when a large amount of broken stones are accumulated on the protective device of one of the supporting frames, other supporting frames can apply a balancing force to the supporting frame, and the phenomenon that one of the supporting frames collapses is reduced; the connecting device that sets up can reduce the influence to the safeguard effect.

Preferably, the first adjusting mechanism comprises a first sliding block, a first screw rod and a first motor, a first sliding groove is formed in the second connecting block, the first sliding block is connected in the first sliding groove in a sliding manner, the first connecting rod is arranged on the first sliding block, and the first screw rod is connected in the first sliding groove in a rotating manner and penetrates through the first sliding block; the first motor is arranged on the second connecting block and connected with the first screw rod.

By adopting the technical scheme, the first motor is started, the output shaft of the first motor drives the first screw rod to rotate, the first screw rod rotates to drive the first sliding block to slide in the first sliding groove, and the first connecting rod on the first sliding block moves; the first adjusting mechanism is simple in structure and convenient to operate, and time is saved, so that efficiency is improved.

Preferably, the support frame includes the base, cuts formula lift platform and first fixed block, the base is placed in the first foundation ditch that is used for placing the base, first connecting block with the second connecting block sets up respectively the both ends of base, it sets up to cut formula lift platform on the base, first fixed block sets up cut formula lift platform is last, protector with first fixed block is connected.

Through adopting above-mentioned technical scheme, place the base in first foundation ditch, then start to cut formula lift platform, cut the position that formula lift platform can drive first fixed block and change, first fixed block will drive protector's position and change to improve application range.

Preferably, the protection device comprises a connecting shaft, a protection plate, a buffer plate and a spring, the connecting shaft is arranged on the protection plate, and the connecting shaft is connected to the first fixing block; first recess has been seted up on the guard plate, the buffer board slides and connects in the first recess, the one end of spring is connected on the diapire of first recess and other one end is connected on the buffer board.

By adopting the technical scheme, when the scissor type lifting platform drives the first fixing block to move, the first fixing block drives the connecting shaft to change in position, the connecting shaft drives the protection plate to move in position, and the position of the buffer plate on the protection plate also changes; when the rubble dropped on the buffer board, the buffer board can be pounded into first recess in, and elastic deformation can take place for the spring.

Preferably, a connecting mechanism connected with the connecting shaft is arranged on the first fixing block, the connecting mechanism comprises a first adjusting block, a clamping block, a first adjusting assembly and a second adjusting assembly, a second sliding groove is formed in the first fixing block, the first adjusting block is connected in the second sliding groove in a sliding manner, a third sliding groove is formed in the first adjusting block, two ends of the third sliding groove are connected with the clamping block in a sliding manner respectively, the two clamping blocks form a clamping space, and the connecting shaft is located in the clamping space; the first adjusting assembly comprises a second screw and a second motor, and the second screw is rotatably connected in the second sliding groove and penetrates through the first adjusting block; the second motor is arranged on the first fixing block and is connected with the second screw rod; the second adjusting assembly comprises a first bidirectional screw and a third motor, the first bidirectional screw is rotatably connected in the third sliding groove, and two ends of the first bidirectional screw respectively penetrate through the two clamping blocks; the third motor is arranged on the first adjusting block and connected with the first bidirectional screw rod.

By adopting the technical scheme, the connecting shaft is placed in the clamping space, the third motor is started, the output shaft of the third motor drives the first bidirectional screw to rotate, and the first bidirectional screw rotates to drive the two clamping blocks to move oppositely, so that the two clamping blocks are abutted against the connecting shaft; then starting the scissor type lifting platform to enable the first fixing block to drive the position of the connecting shaft to change; then, a second motor is started, an output shaft of the second motor drives a second screw rod to rotate, and the second screw rod drives a first adjusting block to move in a second sliding groove, so that the position of a connecting shaft can be finely adjusted; the connecting mechanism who sets up not only can make connecting axle and the first fixed block on the guard plate separately be convenient for transport, but also can realize finely tuning the position of guard plate.

Preferably, a fixing mechanism connected with the protection plate is arranged on the base, the fixing mechanism comprises a telescopic rod, a second fixing block, a third fixing block, a second sliding block, a second connecting rod and a third adjusting assembly, the telescopic rod is arranged on the base, the second fixing block is arranged on the telescopic rod, a fourth sliding groove is formed in the second fixing block, two ends of the fourth sliding groove are connected with the second sliding block in a sliding mode, and the second connecting rod is arranged on the second sliding block; the third fixing block is arranged on the protection plate and provided with a fixing hole for placing the second connecting rod; the third adjusting assembly comprises a first bevel gear, a second bidirectional screw and a fourth motor, the second bidirectional screw is rotatably connected in the fourth chute, the second bidirectional screw respectively penetrates through the two second sliding blocks, and the second bevel gear is in keyed connection with one end of the second bidirectional screw; the fourth motor is arranged on the second fixed block, and the first bevel gear is connected to an output shaft of the fourth motor in a key mode and meshed with the second bevel gear.

By adopting the technical scheme, when the connecting shaft on the protection plate is connected to the first fixed block and the position of the protection plate is determined, the telescopic rod is started to enable the second fixed block on the telescopic rod to move towards the direction away from the base, then the fourth motor is started, the fourth motor drives the first bevel gear, the second bevel gear meshed with the first bevel gear drives the second bidirectional screw to rotate, the second bidirectional screw drives the two second sliding blocks to move back in the fourth sliding groove, and the second connecting rod on the second sliding block is placed in the fixed hole; the stability on the guard plate can be improved to the fixed establishment who sets up.

Preferably, a protective net is arranged on the protective plate, and the protective net is positioned on one side of the buffer plate, which is far away from the protective plate; the protection plate is provided with a clamping mechanism, the clamping mechanism comprises a first clamping plate, a second clamping plate, a third sliding block, a fourth fixing block, a fixing rod and a fourth adjusting assembly, the fourth fixing block is arranged on the protection plate, the first clamping plate is fixed on the fourth fixing block, and the fixing rod is arranged on the first clamping plate; a fifth chute is formed in the fourth fixed block, the third sliding block is connected in the fifth chute in a sliding manner, the second clamping plate is arranged on the third sliding block, the fixed rod is arranged on one side, facing the second clamping plate, of the second clamping plate, and both the fixed rod on the first clamping plate and the fixed rod on the second clamping plate can penetrate through meshes in the protective net; the fourth adjusting assembly comprises a third screw and a first adjusting rod, and the third screw is rotatably connected in the fifth sliding groove and penetrates through the third sliding block; the first adjusting rod is rotatably connected to the fourth fixing block and connected with the third screw rod, and an adjusting groove is formed in one end, far away from the third screw rod, of the first adjusting rod.

By adopting the technical scheme, the arranged protective net can block the broken stones, so that the damage of the buffer plate caused by extrusion of a large amount of broken stones on the buffer plate is avoided; when the installation protection network, place the protection network between first grip block and second grip block earlier, then pass the mesh on the protection network with the dead lever on the first grip block, then adjust the spanner and place in the adjustment tank, rotate and adjust the spanner, it drives first regulation pole and rotates to adjust the spanner, first regulation pole drives the third screw rod and rotates, the third screw rod drives the third slider and moves towards the direction that is close to first grip block, make the dead lever on the second grip block also pass the mesh on the protection network, realize the fixed of protection network position.

Preferably, the protection plate is provided with an adjusting plate, and the first groove is formed in the adjusting plate; a second adjusting mechanism connected with the adjusting plate is arranged on the protection plate and comprises a fourth sliding block, a second adjusting rod, a fourth screw and a fifth motor, a sixth sliding groove is formed in the protection plate, the fourth sliding block is connected in the sixth sliding groove in a sliding mode, one end of the second adjusting rod is hinged to the fourth sliding block, and the other end of the second adjusting rod is hinged to the adjusting plate; the fourth screw rod is rotatably connected in the sixth sliding groove and connected with the fourth sliding block, and the fifth motor is arranged on the protection plate and connected with the fourth screw rod.

Through adopting above-mentioned technical scheme, start the fifth motor, the output shaft of fifth motor drives the fourth screw rod and rotates, and the fourth screw rod drives the fourth slider and slides in the sixth spout, and the fourth slider removes and will drive the motion of second regulation pole, and the position that the second regulation pole will drive the regulating plate changes, and the regulating plate will drive the position of buffer board and change.

Preferably, the protection plate is provided with a blocking mechanism, the blocking mechanism comprises a rotating shaft, a baffle and a fifth adjusting assembly, the rotating shaft is rotatably connected to the protection plate, and the baffle is arranged on the rotating shaft; the fifth adjusting assembly comprises a first gear, a second gear and a sixth motor, the sixth motor is arranged on the protection plate, and the first gear is connected to an output shaft of the sixth motor in a key mode; the second gear is connected to the rotating shaft in a key mode and meshed with the first gear.

By adopting the technical scheme, the arranged baffle can block the broken stones generated by blasting; the sixth motor is started, an output shaft of the sixth motor drives the first gear, the second gear meshed with the first gear drives the rotating shaft to rotate, and the position of the baffle driven by the rotating shaft changes, so that the application range can be widened.

To sum up, the beneficial technical effect of this application does:

1. the arranged connecting device can reduce the influence on the protection effect;

2. the connecting mechanism can not only separate the connecting shaft on the protection plate from the first fixing block for convenient transportation, but also realize fine adjustment of the position of the protection plate;

3. the stability on the guard plate can be improved to the fixed establishment who sets up.

Drawings

FIG. 1 is a schematic structural view of a mine blasting prevention apparatus in the related art;

FIG. 2 is a schematic structural diagram of a mine blasting protection device according to an embodiment of the application;

FIG. 3 is a schematic structural diagram of a support frame according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of a coupling mechanism according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a first adjustment mechanism in an embodiment of the present application;

FIG. 6 is a schematic structural view of a guard in an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a third adjustment assembly in an embodiment of the present application;

FIG. 8 is an enlarged view of a portion of FIG. 6;

FIG. 9 is a schematic structural view of a second adjustment mechanism in an embodiment of the present application;

fig. 10 is a schematic structural diagram of a clamping mechanism in an embodiment of the present application.

Reference numerals: 100. a protection unit; 200. a support frame; 210. a base; 220. a scissor lift platform; 230. a first fixed block; 231. a second chute; 300. a connecting device; 310. a first connection block; 311. a card slot; 320. a second connecting block; 330. a first connecting rod; 340. a first adjustment mechanism; 341. a first slider; 342. a first screw; 343. a first motor; 400. a guard; 410. a protection plate; 411. a sixth chute; 420. an adjusting plate; 430. a protective net; 500. a connecting mechanism; 510. a first regulating block; 511. a third chute; 520. a clamping block; 530. a first adjustment assembly; 531. a second screw; 532. a second motor; 540. a second adjustment assembly; 541. a first bidirectional screw; 542. a third motor; 610. a telescopic rod; 611. a main rod; 612. an auxiliary rod; 620. a second fixed block; 621. a fourth chute; 630. a second connecting rod; 640. a second slider; 650. a third adjustment assembly; 651. a first bevel gear; 652. a second bevel gear; 653. a second bidirectional screw; 654. a fourth motor; 700. a clamping mechanism; 710. a first clamping plate; 720. a second clamping plate; 730. a third slider; 740. a fourth fixed block; 741. a fifth chute; 750. fixing the rod; 760. a fourth adjustment assembly; 761. a third screw; 762. a first adjusting lever; 800. a second adjustment mechanism; 810. a fourth slider; 820. a second adjusting lever; 830. a fourth screw; 900. a blocking mechanism; 910. a rotating shaft; 920. a baffle plate; 930. a fifth adjustment assembly; 931. a first gear; 932. a second gear; 933. and a sixth motor.

Detailed Description

Referring to fig. 2 and 3, a mine blasting protection device is disclosed for the embodiment of the application, and comprises a plurality of protection units 100.

A first foundation pit and a second foundation pit are formed in the ground; the protection unit 100 comprises a support frame 200, the support frame 200 comprises a base 210 placed in the first foundation pit, a scissor type lifting platform 220 is arranged on the base 210, and a first fixing block 230 is fixedly connected to one end, far away from the base 210, of the scissor type lifting platform 220.

Referring to fig. 3 and 4, a connecting mechanism 500 is disposed on the first fixing block 230, a second sliding groove 231 is disposed along the vertical direction of the first fixing block 230, and the connecting mechanism 500 includes a first adjusting block 510 slidably connected in the second sliding groove 231; the first fixed block 230 is provided with a first adjusting component 530 connected with the first adjusting block 510, the first adjusting component 530 comprises a second screw 531 rotatably connected in the second chute 231, and the second screw 531 passes through the first adjusting block 510 and is in threaded connection with the first adjusting block 510; a second motor 532 connected with the second screw 531 is fixedly connected to the first fixed block 230. A third sliding groove 511 is formed in one side, away from the first fixing block 230, of the first adjusting block 510 along the vertical direction of the first adjusting block, two ends of the third sliding groove 511 are connected with clamping blocks 520 in a sliding mode, and the two clamping blocks 520 form a clamping space; the first adjusting block 510 is provided with a second adjusting assembly 540, the second adjusting assembly 540 comprises a first bidirectional screw 541 rotatably connected in the third chute 511, the thread directions of two ends of the first bidirectional screw 541 are opposite, two ends of the first bidirectional screw 541 respectively penetrate through the two clamping blocks 520, and the two clamping blocks 520 are respectively in threaded connection with two ends of the first bidirectional screw 541; the first adjusting block 510 is fixedly connected with a third motor 542 connected with the first bidirectional screw 541.

Referring to fig. 3 and 5, a connecting device 300 is disposed between two adjacent bases 210, the connecting device 300 includes a first connecting block 310 fixedly connected to one end of an upper end surface of the base 210, and a clamping groove 311 is formed on the first connecting block 310; the end of the upper end surface of the base 210 far away from the first connecting block 310 is fixedly connected with a second connecting block 320; a first adjusting mechanism 340 is arranged on the second connecting block 320, a first sliding groove is formed in the second connecting block 320, the first adjusting mechanism 340 comprises a first sliding block 341 connected in the first sliding groove in a sliding manner, and a first connecting rod 330 is fixedly connected in the first sliding block 341; a first screw 342 is rotatably connected in the first chute, and the first screw 342 passes through the first slider 341 and is in threaded connection with the first slider 341; a first motor 343 connected with the first screw 342 is fixedly connected to the side wall of the first sliding groove.

Referring to fig. 2 and 6, a protection device 400 is disposed on the first fixing block 230, the protection device 400 includes a connecting shaft that can be placed in the clamping space, and a protection plate 410 is fixedly connected to the connecting shaft.

Be provided with the fixed establishment who is connected with protection plate 410 on the base 210, fixed establishment includes the third fixed block of fixed connection on protection plate 410, and the third fixed block is provided with two, and has all seted up the fixed orifices on two third fixed blocks.

Referring to fig. 3 and 7, a telescopic rod 610 is disposed on the base 210, the telescopic rod 610 includes a main rod 611 fixedly connected to the base 210, the main rod 611 is located between the first connecting block 310 and the second connecting block 320, a second groove is disposed on one end of the main rod 611 far away from the base 210 along the length direction thereof, and an auxiliary rod 612 is slidably connected in the second groove; a hydraulic cylinder connected with the auxiliary rod 612 is fixedly connected to the side wall of the second groove; a second fixed block 620 is fixedly connected to one end of the auxiliary rod 612 far away from the base 210, and the second fixed block 620 can be located between two third fixed blocks; a fourth sliding groove 621 is formed in the second fixing block 620 along the length direction of the second fixing block, a second sliding block 640 is connected to each of two ends of the fourth sliding groove 621 in a sliding manner, and a second connecting rod 630 which can be clamped with the fixing hole is fixedly connected to each second sliding block 640; a third adjusting assembly 650 is arranged on the second fixed block 620, the third adjusting assembly 650 comprises a second bidirectional screw 653 rotatably connected in the fourth sliding groove 621, the thread directions of the second bidirectional screw 653 are opposite, two ends of the second bidirectional screw 653 respectively pass through the two second sliding blocks 640, the two second sliding blocks 640 are respectively in threaded connection with two ends of the second bidirectional screw 653, and one end of the second bidirectional screw 653 is connected with a second bevel gear 652; a fourth motor 654 is fixedly connected to the second fixing block 620, and a first bevel gear 651 engaged with the second bevel gear 652 is keyed on an output shaft of the fourth motor 654.

Referring to fig. 6 and 8, a blocking mechanism 900 is disposed on the protection plate 410, the blocking mechanism 900 includes a rotating shaft 910 rotatably connected to one end of the protection plate 410 close to the connecting shaft, and a baffle 920 is fixedly connected to the rotating shaft 910; a fifth adjusting assembly 930 is arranged on the protection plate 410, the fifth adjusting assembly 930 comprises a supporting block fixedly connected to the protection plate 410, a sixth motor 933 is fixedly connected to the supporting block, and a first gear 931 is keyed on an output shaft of the sixth motor 933; a second gear 932 is keyed to the shaft 910 to engage with the first gear 931.

Referring to fig. 6 and 9, the protection plate 410 is provided with an adjustment plate 420, and one end of the adjustment plate 420 is rotatably connected to one end of the protection plate 410 away from the rotation shaft 910. A sixth sliding groove 411 is formed in one end, close to the rotating shaft 910, of the protection plate 410 along the length direction of the protection plate, a second adjusting mechanism 800 is arranged on the protection plate 410, the second adjusting mechanism 800 comprises a fourth sliding block 810 connected in the sixth sliding groove 411 in a sliding manner, and a second adjusting rod 820 hinged to the adjusting plate 420 is hinged to the fourth sliding block 810; a fourth screw 830 is rotatably connected in the sixth sliding groove 411, and the fourth screw 830 passes through the fourth slider 810 and is in threaded connection with the fourth slider 810; a fifth motor connected with a fourth screw 830 is fixedly connected to the bottom wall of the sixth chute 411.

Referring to fig. 6 and 10, a first groove is formed in one side of the adjusting plate 420 away from the protection plate 410, a buffer plate is connected to the first groove in a sliding manner, a spring is arranged in the first groove, one end of the spring is connected to the bottom wall of the first groove, and the other end of the spring is connected to the buffer plate. A protective net 430 is arranged on one side of the buffer plate, which is far away from the protective plate 410, a clamping mechanism 700 is arranged on the adjusting plate 420, the clamping mechanism 700 comprises a fourth fixing block 740 fixedly connected to the adjusting plate 420, one end, which is close to the adjusting plate 420, of the fourth fixing block 740 is fixedly connected with a first clamping plate 710, and one side, which is far away from the adjusting plate 420, of the first clamping plate 710 is fixedly connected with a fixing rod 750 capable of passing through meshes of the protective net 430; a fifth sliding groove 741 is formed in one end, away from the adjusting plate 420, of the fourth fixing block 740 along the length direction of the fourth fixing block, a third sliding block 730 is connected to the fifth sliding groove 741 in a sliding manner, a second clamping block 520 is fixedly connected to the third sliding block 730, and a fixing rod 750 capable of penetrating through meshes of the protection net 430 is also fixedly connected to one side, facing the first clamping block 520, of the second clamping block 520. A fourth adjusting assembly 760 is arranged on the fourth fixed block 740, the fourth adjusting assembly 760 comprises a third screw 761 rotatably connected to the fifth sliding groove 741, and the third screw 761 passes through the third sliding block 730 and is in threaded connection with the third sliding block 730; one end of the fourth fixing block 740, which is far away from the adjusting plate 420, is rotatably connected with a first adjusting rod 762 connected with the third screw 761, and one end of the first adjusting rod 762, which is far away from the third screw 761, is provided with an adjusting groove.

The motors in this embodiment are all three-phase asynchronous motors.

The implementation principle of the mine blasting protection device in the embodiment of the application is as follows: the protection net 430 is placed between the first clamping plate 710 and the second clamping plate 720 firstly, then the fixing rod 750 on the first clamping plate 710 penetrates through the meshes on the protection net 430, then the adjusting wrench is placed in the adjusting groove, the adjusting wrench is rotated to drive the first adjusting rod 762 to rotate, the first adjusting rod 762 drives the third screw 761 to rotate, the third screw 761 drives the third sliding block 730 to move towards the direction close to the first clamping plate 710, and the fixing rod 750 on the second clamping plate 720 also penetrates through the meshes on the protection net 430.

The base 210 is placed in the first foundation pit, and then the first foundation pit is filled with soil, so that the lower end of the base 210 is fixed in the first foundation pit.

Then, the first motor 343 is started, an output shaft of the first motor 343 drives the first screw 342 to rotate, the first screw 342 rotates to drive the first sliding block 341 to slide in the first sliding groove, and the first connecting rod 330 on the first sliding block 341 moves to enable the first connecting rod 330 on the base 210 to be clamped with the clamping groove 311 of the first connecting block 310 on the adjacent base 210, so that the two adjacent bases 210 are connected together.

Then place the connecting axle in the centre gripping space that two grip blocks 520 formed, start third motor 542 after that, the output shaft of third motor 542 drives first two-way screw 541 and rotates, and first two-way screw 541 will drive two grip blocks 520 and do the opposite direction motion, makes two grip blocks 520 all contradict the connecting axle, inject the connecting axle in the centre gripping space.

The scissor type lifting platform 220 is started as required, the position of the first fixing block 230 is adjusted to change, then the second motor 532 is started, the output shaft of the second motor 532 drives the second screw 531 to rotate, the second screw 531 drives the first adjusting block 510 to slide in the second sliding groove 231, and therefore fine adjustment of the position of the connecting shaft is achieved, and fine adjustment of the position of the protection plate 410 is achieved.

The hydraulic cylinder is started, a piston rod of the hydraulic cylinder drives the auxiliary rod 612 to move in the second groove of the main rod 611 in the direction away from the base 210, so that the second fixed block 620 on the auxiliary rod 612 is positioned between the two third fixed blocks, then the fourth motor 654 is started, an output shaft of the fourth motor 654 drives the first bevel gear 651 to rotate, the second bevel gear 652 engaged with the first bevel gear 651 drives the second bidirectional screw 653 to rotate, the second bidirectional screw 653 drives the two second sliding blocks 640 to move backwards in the fourth sliding groove 621, so that the second connecting rods 630 on the two second sliding blocks 640 are respectively connected with the fixed holes of the two third fixed blocks in a clamping manner.

When the sixth motor 933 is started, an output shaft of the sixth motor 933 drives the first gear 931, the second gear 932 meshed with the first gear 931 drives the rotating shaft 910 to rotate, and the position of the baffle 920 driven by the rotating shaft 910 changes.

When blasting the mine, some rubbles can drop in the second foundation ditch, and baffle 920 also can the rubble block, and protection network 430 also can the rubble block, avoids the rubble to drop and influences the traveling of vehicle on the highway.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. A mine blasting protection device comprises a plurality of protection units (100), and is characterized in that the protection units (100) comprise a support frame (200), a connecting device (300) and a protection device (400), wherein the protection device (400) is arranged on the support frame (200); the connecting device (300) comprises a first connecting block (310), a second connecting block (320), a first connecting rod (330) and a first adjusting mechanism (340), wherein the first connecting block (310) is arranged at one end of the support frame (200), and a clamping groove (311) is formed in the first connecting block (310); the second connecting block (320) is arranged at the other end of the supporting frame (200), and the first connecting rod (330) is arranged on the second connecting block (320); the first adjusting mechanism (340) is arranged on the second connecting block (320) and is connected with the first connecting rod (330); the first connecting rod (330) can be clamped with the clamping groove (311) on the adjacent support frame (200);

the supporting frame (200) comprises a base (210), a scissor type lifting platform (220) and a first fixed block (230), the base (210) is placed in a first foundation pit for placing the base (210), the first connecting block (310) and the second connecting block (320) are respectively arranged at two ends of the base (210), the scissor type lifting platform (220) is arranged on the base (210), the first fixed block (230) is arranged on the scissor type lifting platform (220), and the protection device (400) is connected with the first fixed block (230);

the first adjusting mechanism (340) comprises a first sliding block (341), a first screw rod (342) and a first motor (343), a first sliding groove is formed in the second connecting block (320), the first sliding block (341) is connected in the first sliding groove in a sliding manner, the first connecting rod (330) is arranged on the first sliding block (341), and the first screw rod (342) is connected in the first sliding groove in a rotating manner and penetrates through the first sliding block (341); the first motor (343) is arranged on the second connecting block (320) and is connected with the first screw (342).

2. The mine blasting protector of claim 1, wherein the protector (400) comprises a connecting shaft, a protection plate (410), a buffer plate and a spring, the connecting shaft is arranged on the protection plate (410), and the connecting shaft is connected to the first fixing block (230); first recess has been seted up on guard plate (410), the buffer board slides and connects in the first recess, the one end of spring is connected on the diapire of first recess and other one end is connected on the buffer board.

3. The mine blasting protection device according to claim 2, wherein a connecting mechanism (500) connected with the connecting shaft is arranged on the first fixing block (230), the connecting mechanism (500) comprises a first adjusting block (510), a clamping block (520), a first adjusting assembly (530) and a second adjusting assembly (540), a second sliding groove (231) is formed in the first fixing block (230), the first adjusting block (510) is connected in the second sliding groove (231) in a sliding manner, a third sliding groove (511) is formed in the first adjusting block (510), the clamping block (520) is connected to two ends of the sliding groove of the third sliding groove (511) in a sliding manner, the two clamping blocks (520) form a clamping space, and the connecting shaft is located in the clamping space;

the first adjusting assembly (530) comprises a second screw (531) and a second motor (532), and the second screw (531) is rotatably connected in the second sliding groove (231) and penetrates through the first adjusting block (510); the second motor (532) is arranged on the first fixed block (230) and is connected with the second screw rod (531);

the second adjusting assembly (540) comprises a first bidirectional screw (541) and a third motor (542), the first bidirectional screw (541) is rotatably connected in the third sliding chute (511), and two ends of the first bidirectional screw (541) respectively penetrate through the two clamping blocks (520); the third motor (542) is disposed on the first adjusting block (510) and connected to the first bidirectional screw (541).

4. The mine blasting protection device according to claim 2, wherein a fixing mechanism connected with the protection plate (410) is arranged on the base (210), the fixing mechanism comprises a telescopic rod (610), a second fixing block (620), a third fixing block, a second sliding block (640), a second connecting rod (630) and a third adjusting assembly (650), the telescopic rod (610) is arranged on the base (210), the second fixing block (620) is arranged on the telescopic rod (610), a fourth sliding groove (621) is formed in the second fixing block (620), the second sliding block (640) is connected to two ends of the fourth sliding groove (621) in a sliding manner, and the second connecting rod (630) is arranged on the second sliding block (640); the third fixing block is arranged on the protection plate (410), and a fixing hole for placing the second connecting rod (630) is formed in the third fixing block;

the third adjusting assembly (650) comprises a first bevel gear (651), a second bevel gear (652), a second bidirectional screw (653) and a fourth motor (654), the second bidirectional screw (653) is rotatably connected in the fourth sliding slot (621), the second bidirectional screw (653) respectively passes through the two second sliding blocks (640), and the second bevel gear (652) is connected to one end of the second bidirectional screw (653) in a key manner; the fourth motor (654) is arranged on the second fixed block (620), and the first bevel gear (651) is connected to an output shaft of the fourth motor (654) in a key mode and meshed with the second bevel gear (652).

5. The mine blasting protection device according to claim 2, wherein a protective net (430) is arranged on the protection plate (410), and the protective net (430) is positioned on one side of the buffer plate, which is far away from the protection plate (410); the protection plate (410) is provided with a clamping mechanism (700), the clamping mechanism (700) comprises a first clamping plate (710), a second clamping plate (720), a third sliding block (730), a fourth fixing block (740), a fixing rod (750) and a fourth adjusting assembly (760), the fourth fixing block (740) is arranged on the protection plate (410), the first clamping plate (710) is fixed on the fourth fixing block (740), and the fixing rod (750) is arranged on the first clamping plate (710); a fifth sliding groove (741) is formed in the fourth fixing block (740), the third slider (730) is connected in the fifth sliding groove (741) in a sliding manner, the second clamping plate (720) is arranged on the third slider (730), the fixing rod (750) is arranged on one side, facing the protection plate (410), of the second clamping plate (720), and both the fixing rod (750) on the first clamping plate (710) and the fixing rod (750) on the second clamping plate (720) can penetrate through meshes of the protection net (430);

the fourth adjusting assembly (760) comprises a third screw (761) and a first adjusting rod (762), wherein the third screw (761) is rotatably connected in the fifth sliding groove (741) and passes through the third sliding block (730); the first adjusting rod (762) is rotatably connected to the fourth fixing block (740) and connected to the third screw (761), and an adjusting groove is formed in one end, far away from the third screw (761), of the first adjusting rod (762).

6. A mine blast protection device according to claim 2, wherein said protection plate (410) is provided with a regulation plate (420), said first recess being provided in said regulation plate (420); a second adjusting mechanism (800) connected with the adjusting plate (420) is arranged on the protection plate (410), the second adjusting mechanism (800) comprises a fourth sliding block (810), a second adjusting rod (820), a fourth screw (830) and a fifth motor, a sixth sliding groove (411) is formed in the protection plate (410), the fourth sliding block (810) is connected in the sixth sliding groove (411) in a sliding manner, one end of the second adjusting rod (820) is hinged to the fourth sliding block (810), and the other end of the second adjusting rod is hinged to the adjusting plate (420); the fourth screw (830) is rotatably connected in the sixth sliding groove (411) and connected with the fourth sliding block (810), and the fifth motor is arranged on the protection plate (410) and connected with the fourth screw (830).

7. The mine blasting protection device according to claim 6, wherein a blocking mechanism (900) is arranged on the protection plate (410), the blocking mechanism (900) comprises a rotating shaft (910), a baffle plate (920) and a fifth adjusting assembly (930), the rotating shaft (910) is rotatably connected to the protection plate (410), and the baffle plate (920) is arranged on the rotating shaft (910);

the fifth adjustment assembly (930) comprises a first gear (931), a second gear (932) and a sixth motor (933), the sixth motor (933) is arranged on the protection plate (410), and the first gear (931) is in key connection with an output shaft of the sixth motor (933); the second gear (932) is keyed on the shaft (910) and meshes with the first gear (931).

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