CN112478593A

CN112478593A - Portable self-stabilizing belt gap bridge

Info

Publication number: CN112478593A
Application number: CN202011279259.6A
Authority: CN
Inventors: 孙毕强; 杨大伟; 梁成才; 张洪伟; 孟祥崴
Original assignee: Dalai Nur Coal Industry Co Ltd
Current assignee: Dalai Nur Coal Industry Co Ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-03-12
Anticipated expiration: 2040-11-16
Also published as: CN112478593B

Abstract

The invention relates to a portable self-stabilizing belt gap bridge, which comprises a bridge plate, supporting legs, supporting rods, telescopic rods, a hydraulic cylinder, a rubber box and a control box, wherein the four supporting legs are hinged at four corners of the bridge plate, one end of each supporting rod is hinged at the middle part of the bottom end of the bridge plate, the other end of each supporting rod is buckled on the corresponding supporting leg, the telescopic rods are inserted at the bottoms of the supporting legs, the outer diameters of the telescopic rods are the same as the inner diameters of the supporting legs, the hydraulic cylinder is fixedly connected to one side of the bottom of each supporting leg, the output end of the hydraulic cylinder is fixedly connected with the telescopic rods, the rubber box is fixedly connected to the other side of the bottom of each supporting leg, the rubber box is filled with non-Newtonian fluid, the non-Newtonian fluid is abutted to the top end face of the telescopic rods, and the control box.

Description

Portable self-stabilizing belt gap bridge

Technical Field

The invention relates to the technical field of mine tools, in particular to a portable self-stabilizing belt gap bridge.

Background

In order to ensure sufficient oxygen content in a mine tunnel, air ducts are required to be erected at the top of the mine tunnel for blasting air in the mine tunnel, some air ducts need to penetrate through a belt for conveying mineral aggregate, when the air ducts need to be operated above the belt, the air ducts need to be communicated with a belt driver in advance to stop the belt conveyor from operating, personnel stand on the belt frame for operating, normal production of a mining and excavating working face is influenced, and the personnel stand on the belt frame for working, and great potential safety hazards also exist.

Therefore, in response to the above disadvantages, it is desirable to provide a portable self-stabilizing belt bridge.

Disclosure of Invention

Technical problem to be solved

The invention aims to solve the technical problem that only a belt can be closed and stepped on a belt frame to work when construction is carried out above the belt.

(II) technical scheme

In order to solve the technical problem, the invention provides a portable self-stabilizing belt gap bridge which comprises a bridge plate, supporting legs, supporting rods, telescopic rods, a hydraulic cylinder, a rubber box and a control box, wherein the four supporting legs are hinged at four corners of the bridge plate, one end of each supporting rod is hinged at the middle part of the bottom end of the bridge plate, the other end of each supporting rod is buckled on the corresponding supporting leg, the telescopic rods are inserted at the bottoms of the supporting legs, the outer diameter of each telescopic rod is equal to the inner diameter of the corresponding supporting leg, the hydraulic cylinder is fixedly connected to one side of the bottom of each supporting leg, the output end of the hydraulic cylinder is fixedly connected with the telescopic rods, the rubber box is fixedly connected to the other side of the bottom of each supporting leg, the rubber box is communicated.

As a further illustration of the present invention, preferably, the non-Newtonian fluid is a mixture of corn starch and water, wherein the ratio of corn starch to water is 3: 2.

As a further explanation of the present invention, preferably, a flow port is arranged on one side of the top of the rubber box, the flow port is embedded in the supporting leg, the length direction of the flow port is perpendicular to the telescopic direction of the telescopic rod, the top of the telescopic rod is fixedly connected with a sealing plate, the outer diameter of the sealing plate is equal to the inner diameter of the supporting leg, and the sealing plate is located below the flow port.

As a further description of the present invention, preferably, the bottom of the telescopic rod is fixedly connected with a door-shaped foot fork, and two ends of the foot fork are sharp heads.

As a further explanation of the present invention, preferably, the support leg is fixedly connected with a gyroscope, a single chip microcomputer, an electromagnetic valve and a power supply are arranged in the control box, the single chip microcomputer is electrically connected with the electromagnetic valve and the power supply respectively, the electromagnetic valve is connected with the hydraulic cylinder through a pipeline, and the gyroscope is electrically connected with the single chip microcomputer through an electric wire.

As a further explanation of the present invention, it is preferable that the support leg is welded with a junction box, the pipeline and the electric wire penetrate into the junction box, and the junction box is provided with wire holes at the joints of the gyroscope and the hydraulic cylinder.

As a further explanation of the present invention, it is preferable that a bus box is welded to one side of the bottom of the bridge plate, the bus box penetrates the pipes and the electric wires in the plurality of branch boxes, and a port on one side of the bus box faces the control box.

As a further explanation of the present invention, it is preferable that the number of the bridge plates is two, the two bridge plates abut against each other, and bottoms of abutting surfaces of the two bridge plates are hinged to each other by a hinge.

As a further description of the present invention, it is preferable that a plurality of pulleys are hinged to both sides of the top end surface of one bridge plate, and the pulleys protrude out of the top end surface of the bridge plate.

As a further description of the present invention, preferably, a cross bar is fixedly connected between the middle portions of the legs at both sides of one end in the length direction of the bridge plate, a door-shaped inserting frame is fixedly connected to one end of the support bar, which is far away from the end hinged to the bridge plate, the inserting frame is inserted outside the cross bar, and the length direction of the support bar is inclined to form a triangle among the bridge plate, the legs and the support bar.

(III) advantageous effects

The technical scheme of the invention has the following advantages:

according to the invention, the foldable gap bridge is arranged, so that the foldable gap bridge is convenient to carry and transport by folding, and can be erected above the belt by unfolding, and constructors step on the bridge deck to work without shutting down the transport belt, so that the normal operation of excavation is ensured; when the gap bridge is used, the gyroscope always detects the levelness of the gap bridge, and even if the ground in the mine tunnel is uneven and sinks to a certain extent, the extending amount of the telescopic rod is dynamically adjusted by the hydraulic cylinder, so that the levelness of the bridge plate is stabilized, and the smooth treading of constructors on the bridge plate is guaranteed; and when the hydraulic cylinder suddenly loses efficacy, the telescopic rod impacts the non-Newtonian fluid, so that the bridge plate is prevented from suddenly falling, the constructor loses the gravity center and falls onto the belt, and the safety of passing a bridge is further improved.

Drawings

FIG. 1 is a diagram of the overall assembly effect of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is an enlarged view of B in FIG. 1;

FIG. 4 is a view of the leg construction of the present invention;

FIG. 5 is a bottom view of the present invention;

figure 6 is a cross-sectional view of a leg of the present invention.

In the figure: 1. a bridge plate; 11. a hinge; 12. a bus box; 13. a pulley; 2. a support leg; 21. a cross bar; 22. a junction box; 23. a wire hole; 3. a support bar; 31. inserting a frame; 4. a telescopic rod; 41. a foot fork; 42. a sealing plate; 5. a hydraulic cylinder; 6. a glue box; 61. a spout; 7. a control box; 71. a gyroscope.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The utility model provides a portable self-stabilization belt gap bridge, combine figure 1, fig. 5, including the bridge plate 1, landing leg 2, bracing piece 3, telescopic link 4, pneumatic cylinder 5, gluey case 6 and control box 7, four landing legs 2 articulate in 1 four corners department of bridge plate, 3 one ends of bracing piece articulate in 1 bottom middle part of bridge plate, 3 other end lock joints on landing leg 2 of bracing piece, 4 pegs graft in 2 bottoms of landing leg of telescopic link, 4 external diameters of telescopic link are the same with 2 internal diameters of landing leg, pneumatic cylinder 5 links firmly in 2 bottoms one side of landing leg, 5 outputs of pneumatic cylinder link firmly with telescopic link 4, gluey case 6 links firmly in 2 bottoms of landing leg opposite sides, gluey case 6 communicates with each other with 2 inner chambers of landing leg, control box 7 links firmly in 1 bottoms of bridge.

With reference to fig. 1 and 5, the bridge plate 1 is a grid-shaped plate formed by welding a plurality of aluminum pipes, the number of the bridge plates 1 is two, the two bridge plates 1 are mutually abutted, and the bottoms of the abutting surfaces of the two bridge plates 1 are hinged with each other through the hinges 11, so that the two bridge plates 1 can be folded downwards, the occupied space is reduced, and the storage is convenient when the bridge plates are not used. The supporting legs 2 and the supporting rods 3 are also aluminum tubes, wherein cross rods 21 are fixedly connected between the middle parts of the supporting legs 2 at two sides of one end of the bridge plate 1 in the length direction in a welding mode, and the cross rods 21 are also aluminum tubes so as to play a role in improving the connection strength of the supporting legs 2; combine fig. 3, bracing piece 3 is kept away from and is linked firmly the frame 31 of inserting of door font with 1 articulated one end of bridge plate, it forms for the cutting of solid aluminium pig to insert frame 31, insert frame 31 and peg graft outside

horizontal pole

21, 3 length direction slopes so that bridge plate 1 of bracing piece, form triangle-shaped between landing leg 2 and the bracing piece 3, it can make bracing piece 3 and landing leg 2 nimble connection to set up to insert frame 31, insert frame 31 and take on the structural strength in order to improve the gap bridge when using on horizontal pole 21, can conveniently separate frame 31 and horizontal pole 21 when not using, and make landing leg 2 and bracing piece 3 rotatory along the pin joint, folding bridge plate 1 simultaneously, and then make landing leg 2 and bracing piece 3 fold between two bridge plate 1, further reduce gap bridge occupation space, still be convenient for deposit when being convenient for carry the transportation.

With reference to fig. 4 and 6, the telescopic rod 4 is also an aluminum tube, the outer diameter of the telescopic rod 4 is equal to the inner diameter of the leg 2, the bottom of the telescopic rod 4 is fixedly connected with a foot fork 41 shaped like a Chinese character 'men', two ends of the foot fork 41 are sharp heads, the foot fork 41 can be inserted into the ground when the gap bridge is unfolded, and the gap bridge is stabilized to avoid the problem that the center of gravity is unstable due to the movement of the gap bridge when the gap bridge is stepped on. Landing leg 2 stretches into in landing leg 2 with horizontal pole 21 junction horizontal pole 21 to two parts about cutting off into 2 inner chambers of landing leg, insert square aluminium pig simultaneously in 2 inner walls of lower part landing legs, aluminium pig whole body scribbles glass and glues, make aluminium pig can with stretch into 2 interior horizontal poles 21 of landing leg and the bonding of 2 inner walls of landing leg, aluminium pig length is the interval of horizontal pole 21 apart from gluey case 6, telescopic link 4 stretches out and draws back between 2 lower part ports of aluminium pig and landing leg, pneumatic cylinder 5 is conventional pneumatic cylinder, pneumatic cylinder 5 flexible direction is the length direction of landing leg 2 and stretches out the end and stretch out 2 one end of landing leg with telescopic link 4 and link firmly, through the motion of 5 steerable telescopic links 4 in landing leg 2 of pneumatic cylinder, and then play the effect of adjusting 2 lengths of landing leg and 1 height of bridge plate, make the gap bridge can adapt to different belt installation environment and mine cavity height, improve the practicality.

With reference to fig. 4 and 5, the supporting leg 2 is fixedly connected with a gyroscope 71, a single chip microcomputer, an electromagnetic valve and a power supply are arranged in the control box 7, the single chip microcomputer is electrically connected with the electromagnetic valve and the power supply respectively, the electromagnetic valve is connected with the hydraulic cylinder 5 through a pipeline, and the gyroscope 71 is electrically connected with the single chip microcomputer through an electric wire; through setting up the levelness that gyroscope 71 detected the gap bridge all the time, and with signal real-time transmission to the singlechip in, the singlechip judges whether the elongation of each telescopic link 4 can make the bridge plate 1 keep the level through four gyroscope 71's of program analysis data, if appear because of the ground flaccidity produces certain subsidence in the mine road, cause the inclined state to appear in the bridge plate 1 height unevenness, then flow direction by single chip microcomputer control solenoid valve, the telescopic link 4 that highly is lower by the flexible dynamic adjustment of pneumatic cylinder 5 continues to stretch out or make highly higher telescopic link 4 begin to contract, with the levelness of stabilizing bridge plate 1, guarantee that constructor tramples steadily on the bridge plate 1, the construction safety is improved.

Combine fig. 2, fig. 5, the welding has junction box 22 on landing leg 2, junction box 22 is by the door style of calligraphy venturi tube that the aluminum pipe excision side formed, pipeline and electric wire penetrate in junction box 22, junction box 22 is located gyroscope 71 and pneumatic cylinder 5 kneck and has all seted up line hole 23, so that the pipeline can be connected with pneumatic cylinder 5, the electric wire can be connected with gyroscope 71, the welding of bridge plate 1 bottom one side has bus box 12, bus box 12 penetrates pipeline and electric wire in two junction boxes 22, bus box 12 one side port is just to control box 7, so that the pipeline can link to each other with the solenoid valve, the electric wire can link to each other with the singlechip. The junction box 22 and the bus box 12 are arranged to protect the pipelines and the electric wires, and the service life of the pipelines and the electric wires is prevented from being influenced by abrasion caused by exposure of the pipelines and the electric wires during transportation.

With reference to fig. 4 and 6, a non-newtonian fluid is filled in the rubber box 6, the non-newtonian fluid is a mixture of corn starch and water, the mixing ratio of the corn starch to the water is 3:2, so that the non-newtonian fluid is enabled to form an Ou-shaped crack, one side of the top of the rubber box 6 is provided with a flow port 61, the flow port 61 is embedded into the supporting leg 2, the length direction of the flow port 61 is perpendicular to the extension direction of the telescopic rod 4, the top of the telescopic rod 4 is fixedly connected with a sealing plate 42 through welding, the outer diameter of the sealing plate 42 is equal to the inner diameter of the supporting leg 2, and the sealing plate 42 is located below the flow port 61, so that the non. When the hydraulic cylinder 5 controls the telescopic rod 4 to move, a negative pressure environment is formed in the lower supporting leg 2, the hydraulic cylinder 5 is kept stable and slowly extends and retracts when adjusting the posture, the non-Newtonian fluid in the rubber box 6 is slowly sucked into or pushed out of the supporting leg 2, when the hydraulic cylinder 5 suddenly fails (oil hydraulic pressure is lost), the weight of a constructor instantly extrudes the supporting leg 2 and the non-Newtonian fluid, at the moment, the non-Newtonian fluid is suddenly impacted and becomes hard, the descending distance between the supporting leg 2 and the bridge plate 1 is prevented from being long (through experiments, the hydraulic cylinder 5 fails, the load on the bridge plate 1 is under the weight of 500KG, the instantaneous descending distance of the bridge plate 1 is only 5mm), at the moment, the constructor is given a reaction time to stabilize the gravity center of the constructor, and then the supporting leg 2 is given stable pressure of the non-Newtonian fluid, the non-Newtonian fluid returns to, the bridge plate 1 can also move downwards slowly, so that the bridge plate 1 is prevented from falling suddenly to cause that constructors lose the gravity center and fall onto a moving belt, and the safety of passing a bridge is further improved.

With reference to fig. 1 and 5, four pulleys 13 are hinged to two sides of the top end face of one bridge plate 1, the pulleys 13 protrude out of the top end face of the bridge plate 1, one face with the pulleys 13 can be placed on the ground after the gap bridge is folded, and a rope is bound at a leak hole of the bridge plate 1 for traction, so that a constructor does not need to carry the gap bridge by hand or back, and the portability is further improved; meanwhile, in order to conveniently erect the gap bridge in different environments, a small hydraulic system or a power supply with an oil pump and a mailbox needs to be configured, the hydraulic system can be bound on the upper portion of the folded bridge plate 1 through a rope during transportation, the extra stay wire is not needed to be connected with a hydraulic system under a mine, the bridge plate 1 is used as a transportation trolley, a portable hydraulic system and a power supply are further avoided, and the portability and the practicability of the gap bridge are further improved.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a portable self-stabilization belt gap bridge which characterized in that: comprises a bridge plate (1), supporting legs (2), a supporting rod (3), a telescopic rod (4), a hydraulic cylinder (5), a rubber box (6) and a control box (7), four landing legs (2) articulate in bridge plate (1) four corners department, bracing piece (3) one end articulates at bridge plate (1) bottom middle part, bracing piece (3) other end lock joint is on landing leg (2), telescopic link (4) are pegged graft in landing leg (2) bottom, telescopic link (4) external diameter is the same with landing leg (2) internal diameter, pneumatic cylinder (5) link firmly in landing leg (2) bottom one side, pneumatic cylinder (5) output links firmly with telescopic link (4), it links firmly at landing leg (2) bottom opposite side to glue case (6), it communicates with each other with landing leg (2) inner chamber to glue case (6), it is filled with non-Newton's fluid to glue case (6) intussuseption, non-Newton's fluid and telescopic link (4) top face butt, control box (7) link firmly in bridge plate (1) bottom and link to each other through the pipeline.

2. A portable self-stabilizing belt bridge as defined in claim 1, wherein: the non-Newtonian fluid is a mixture of corn starch and water, wherein the mixing ratio of the corn starch to the water is 3: 2.

3. A portable self-stabilizing belt bridge as defined in claim 2, wherein: glue case (6) top one side and be equipped with flow opening (61), flow opening (61) embedding landing leg (2) in, the flexible direction of the perpendicular telescopic link of flow opening (61) length direction (4), telescopic link (4) top has linked firmly sealing board (42), and sealing board (42) external diameter equals landing leg (2) internal diameter, seals board (42) and is located flow opening (61) below.

4. A portable self-stabilizing belt bridge as defined in claim 1, wherein: the bottom of the telescopic rod (4) is fixedly connected with a door-shaped foot fork (41), and two ends of the foot fork (41) are sharp heads.

5. A portable self-stabilizing belt bridge as defined in claim 1, wherein: gyroscope (71) is fixedly connected to support leg (2), a single chip microcomputer, an electromagnetic valve and a power supply are arranged in control box (7), the single chip microcomputer is electrically connected with the electromagnetic valve and the power supply respectively, the electromagnetic valve is connected with hydraulic cylinder (5) through a pipeline, and gyroscope (71) is electrically connected with the single chip microcomputer through an electric wire.

6. The portable self-stabilizing belt gap bridge of claim 5, wherein: the welding has junction box (22) on landing leg (2), and pipeline and electric wire penetrate in junction box (22), and all seted up line hole (23) at junction box (22) position in gyroscope (71) and pneumatic cylinder (5).

7. The portable self-stabilizing belt gap bridge of claim 6, wherein: a bus box (12) is welded on one side of the bottom of the bridge plate (1), the bus box (12) penetrates through pipelines and electric wires in the distributing boxes (22), and a port on one side of the bus box (12) is opposite to the control box (7).

8. A portable self-stabilizing belt bridge as defined in claim 1, wherein: the number of the bridge plates (1) is two, the two bridge plates (1) are mutually abutted, and the bottoms of abutting surfaces of the two bridge plates (1) are mutually hinged through hinges (11).

9. A portable self-stabilizing belt bridge as defined in claim 8, wherein: a plurality of pulleys (13) are hinged to two sides of the top end face of one bridge plate (1), and the pulleys (13) protrude out of the top end face of the bridge plate (1).

10. A portable self-stabilizing belt bridge as defined in claim 1, wherein: horizontal pole (21) have been linked firmly between landing leg (2) middle part of bridge plate (1) length direction one end both sides, and the bracing piece (3) are kept away from and are linked firmly frame (31) of inserting of door font with bridge plate (1) articulated one end, and insert frame (31) and peg graft outside horizontal pole (21), and bracing piece (3) length direction slope is so that form triangle-shaped between bridge plate (1), landing leg (2) and bracing piece (3).