阅读说明：本技术 具有报警功能的履带链轨连接件及其报警系统 (Crawler caterpillar track connecting piece with alarming function and alarming system thereof ) 是由 孙振兴 钟炳忠 于 2020-12-23 设计创作，主要内容包括：本发明提出一种具有报警功能的履带链轨连接件及其报警系统,一种具有报警功能的履带链轨连接件,包括轴体,所述轴体的内部且位于中轴位置开设有一个安装腔,所述安装腔内同轴固定安装有所述钢化玻璃管,所述钢化玻璃管与所述安装腔之间具有一定空隙,所述钢化玻璃管内充入高压气,所述轴体内装配有气压传感器,所述气压传感器的检测端头延伸至安装腔内,正常状态下,所述安装腔内为真空状态,所述轴体的外部同轴套设有套筒,所述套筒与所述轴体之间共同形成一个密封的环腔,所述环腔内环绕所述轴体套设有弹簧套,所述环腔的两侧均密封滑动安装有环状活塞。(The invention provides a caterpillar track connecting piece with an alarming function and an alarming system thereof, the caterpillar track connecting piece with the alarming function comprises a shaft body, an installation cavity is arranged in the shaft body and positioned at the middle shaft, the toughened glass tube is coaxially and fixedly installed in the installation cavity, a certain gap is arranged between the toughened glass tube and the installation cavity, high-pressure gas is filled in the toughened glass tube, an air pressure sensor is assembled in the shaft body, the detection end of the air pressure sensor extends into the installation cavity, and under the normal state, the mounting cavity is in a vacuum state, a sleeve is coaxially sleeved outside the shaft body, a sealed annular cavity is formed between the sleeve and the shaft body, the ring cavity is internally sleeved with a spring sleeve around the shaft body, and two sides of the ring cavity are both provided with annular pistons in a sealing and sliding manner.)

1. The utility model provides a track caterpillar link rail connecting piece with alarming function which characterized in that: the reinforced plastic pipe is characterized by comprising a shaft body, wherein an installation cavity is formed in the shaft body and located at the middle shaft position, the toughened glass pipe is coaxially and fixedly installed in the installation cavity, a certain gap is formed between the toughened glass pipe and the installation cavity, high-pressure air is filled in the toughened glass pipe, an air pressure sensor is assembled in the shaft body, the detection end head of the air pressure sensor extends into the installation cavity, and the installation cavity is in a vacuum state under a normal state.

2. The track link attachment with alarm function of claim 1, wherein: the coaxial cover in outside of axis body is equipped with the sleeve, the sleeve with form a sealed ring cavity between the axis body jointly, encircle in the ring cavity the axis body cover is equipped with the spring housing, the equal sealed slidable mounting in both sides in ring cavity has cyclic annular piston, the spring housing is located two between the cyclic annular piston, fixed mounting has the breather pipe in the axis body, and this breather pipe makes the installation cavity with the ring cavity intercommunication, just the breather pipe with the hookup location in ring cavity is located the outside of cyclic annular piston, be provided with on the breather pipe by the installation cavity to the check valve of giving vent to anger of ring cavity one-way conduction.

3. The track link attachment with alarm function of claim 2, wherein: the shaft body is provided with an opening at one end, an annular shoulder is integrally formed on the outer wall of the shaft body, and the opening end of the sleeve is connected with the annular shoulder in a sealing mode through a bolt, so that the annular cavity is formed.

4. The track link attachment with alarm function of claim 2, wherein: a third sealing ring is arranged between the sleeve and the shaft body, and a first sealing ring is arranged between the sleeve and the ring shoulder.

5. The track link attachment with alarm function of claim 1, wherein: the shaft body is internally and fixedly provided with a detection exhaust pipe, one end of the detection exhaust pipe is communicated with the atmosphere, the other end of the detection exhaust pipe is connected with the installation cavity, and the pipe orifice of the detection exhaust pipe is sealed by a plug.

6. The track link attachment with alarm function of claim 1, wherein: a plurality of reinforcing ring blocks are axially arranged in the mounting cavity and distributed at equal intervals.

7. The track link attachment with warning function of claim 6, wherein: the inner peripheral side of the reinforcing ring block is annularly provided with a plurality of sharp pointed parts, and sharp pointed ends of the sharp pointed parts are abutted to the toughened glass tube.

8. The alarm system applied to the shaft body of claim 1 comprises a power supply unit, a circuit board, two electric connection terminals and a plurality of connecting wires, wherein the power supply unit, the circuit board and the air pressure sensor are electrically connected, and an alarm device is arranged in the circuit board.

9. The warning system of claim 8, wherein: the alarm device can be one or more of an alarm lamp, a buzzer or a wireless signal transmitter.

10. The warning system of claim 8, wherein: the power supply unit and the circuit board are fixedly installed in the first housing and the second housing respectively, the two electric connection terminals are fixedly installed at two ends of the shaft body respectively and are electrically connected through the connecting wires, the two housings are fixedly installed at two ends of the shaft body respectively through bolts, and the power supply unit and the circuit board are electrically connected with the electric connection terminals on the corresponding sides respectively to achieve circuit intercommunication.

Technical Field

The invention relates to a crawler track connecting piece with an alarm function and an alarm system thereof.

Background

The chain is a commonly used transmission part, the existing chain is basically formed by connecting a section of chain unit in series, and the chain unit is composed of two inner chain plates, two outer chain plates, a shaft sleeve, a pin shaft, a roller and the like, wherein the two inner chain plates are oppositely arranged and fixed together through the shaft sleeve, the two inner chain plates are positioned between the two outer chain plates, the outer chain plates and the inner chain plates are opposite in position, the two outer chain plates are fixed together through the pin shaft, the shaft sleeve is sleeved on the pin shaft, and the roller is sleeved on the shaft sleeve.

The round pin axle is the key axis body of connecting two link joints, among the prior art, like the utility model patent of patent number 201520946746.1 discloses a novel chain round pin axle, and it has solved the current short-lived problem of chain. The novel chain pin shaft comprises a connecting rod in a solid round rod shape and a connecting cylinder sleeved in the middle of the connecting rod, wherein an annular convex shoulder is arranged on the inner side wall of the lower end of the connecting cylinder, the inner side wall of the annular convex shoulder is attached to the side wall of the connecting rod, an annular oil storage tank is formed among the upper end surface of the annular convex shoulder, the side wall of the connecting rod and the inner side wall of the connecting cylinder, an annular blocking edge is arranged on the side wall of the upper end of the connecting rod, and the annular blocking edge; the connecting rod is provided with an oil duct communicated with the oil storage tank; the outer side wall of the connecting cylinder is provided with a lubricating groove, and the bottom wall of the lubricating groove is provided with a connecting hole communicated with the oil storage groove; an annular groove is formed in the side wall of the connecting rod, a first 0-shaped sealing ring is arranged in the annular groove, the outer peripheral surface of the first 0-shaped sealing ring abuts against the inner side wall of the annular convex shoulder, and the connecting rod is fixed with the connecting cylinder. This novel chain round pin axle has longe-lived advantage.

The pin shaft has the defects that the large track caterpillar is heavy in load, the working environment is severe, the phenomenon of pin shaft fracture often occurs, but the fractured pin shaft is difficult to find in time, and the phenomenon of pin shaft fracture and flying out can be caused by continuous use, so that great potential safety hazards exist.

Disclosure of Invention

Therefore, in order to solve the problems, the invention provides a crawler track connecting piece with an alarm function and an alarm system thereof.

In order to achieve the technical problem, the track caterpillar track connecting piece with the alarm function comprises a shaft body, wherein an installation cavity is formed in the shaft body and located at the position of a middle shaft, the toughened glass tube is coaxially and fixedly installed in the installation cavity, a certain gap is formed between the toughened glass tube and the installation cavity, high-pressure air is filled in the toughened glass tube, an air pressure sensor is assembled in the shaft body, the detection end head of the air pressure sensor extends into the installation cavity, and the installation cavity is in a vacuum state under a normal state.

The further improvement is that: the coaxial cover in outside of axis body is equipped with the sleeve, the sleeve with form a sealed ring cavity between the axis body jointly, encircle in the ring cavity the axis body cover is equipped with the spring housing, the equal sealed slidable mounting in both sides in ring cavity has cyclic annular piston, the spring housing is located two between the cyclic annular piston, fixed mounting has the breather pipe in the axis body, and this breather pipe makes the installation cavity with the ring cavity intercommunication, just the breather pipe with the hookup location in ring cavity is located the outside of cyclic annular piston, be provided with on the breather pipe by the installation cavity to the check valve of giving vent to anger of ring cavity one-way conduction.

The further improvement is that: the shaft body is provided with an opening at one end, an annular shoulder is integrally formed on the outer wall of the shaft body, and the opening end of the sleeve is connected with the annular shoulder in a sealing mode through a bolt, so that the annular cavity is formed.

The further improvement is that: a third sealing ring is arranged between the sleeve and the shaft body, and a first sealing ring is arranged between the sleeve and the ring shoulder.

The further improvement is that: the shaft body is internally and fixedly provided with a detection exhaust pipe, one end of the detection exhaust pipe is communicated with the atmosphere, the other end of the detection exhaust pipe is connected with the installation cavity, and the pipe orifice of the detection exhaust pipe is sealed by a plug.

The further improvement is that: a plurality of reinforcing ring blocks are axially arranged in the mounting cavity and distributed at equal intervals.

The further improvement is that: the inner peripheral side of the reinforcing ring block is annularly provided with a plurality of sharp pointed parts, and sharp pointed ends of the sharp pointed parts are abutted to the toughened glass tube.

The invention also discloses an alarm system applied to the shaft body, which comprises a power supply unit, a circuit board, two electric connection terminals and a plurality of connecting wires, wherein the power supply unit, the circuit board and the air pressure sensor are electrically connected, and the circuit board is provided with alarm equipment.

The further improvement is that: the alarm device can be one or more of an alarm lamp, a buzzer or a wireless signal transmitter.

The further improvement is that: the power supply unit and the circuit board are fixedly installed in the first housing and the second housing respectively, the two electric connection terminals are fixedly installed at two ends of the shaft body respectively and are electrically connected through the connecting wires, the two housings are fixedly installed at two ends of the shaft body respectively through bolts, and the power supply unit and the circuit board are electrically connected with the electric connection terminals on the corresponding sides respectively to achieve circuit intercommunication.

By adopting the technical scheme, the invention has the beneficial effects that:

1. the track chain track has the advantages that the structure is compact, the design is reasonable, the toughened glass tube filled with high-pressure air is arranged in the mounting cavity in the shaft body, the air pressure sensor is arranged in the mounting cavity, and the mounting cavity is in a vacuum state under normal working conditions, so that the high-pressure air is rushed into the mounting cavity through deformation and fracture of the toughened glass tube, the air pressure sensor is used for detecting pressure change, the purpose of detecting whether the shaft body is formed in a bent mode is achieved, a worker can find out a problem shaft body at the first time, and the safety performance of the track chain track is improved;

2. the sleeve is arranged outside the shaft body, the sealing annular cavity is formed between the sleeve and the shaft body, the spring sleeve and the annular piston used for extruding the spring sleeve are arranged in the annular cavity, and the vent pipe with the air outlet one-way valve is used for communicating the installation cavity with the annular cavity, so that when the shaft body is broken, high-pressure air passes through the annular cavity and extrudes the annular piston to compress and fold the spring sleeve and form a sleeve piece, the shaft body is reinforced, and the shaft body is ensured to be coaxial and concentric within a period of time so as to prevent the shaft body from being completely broken;

3. the plurality of reinforcing ring blocks are axially arranged in the mounting cavity and are distributed at equal intervals, so that structural strength reduction caused by the fact that the mounting cavity is arranged in the shaft body is compensated;

4. through the peripheral ring at the internal periphery of reinforcing ring piece to being provided with a plurality of spine portions, the spine end of spine portion is contradicted on toughened glass manages to when axis body deformation makes a certain reinforcing ring piece take place deformation, then explain axis body deformation degree has arrived the alert point, reinforcing ring piece deformation makes spine portion puncture toughened glass pipe immediately in order to release the high pressure gas, thereby improves detectivity by a wide margin.

Drawings

Fig. 1 is a schematic structural diagram of a track and caterpillar link joint with an alarm function and an alarm system thereof according to an embodiment of the invention.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a schematic view of the structure of the spikes in the reinforcing ring block.

In the figure: the device comprises a shaft body 1, a toughened glass tube 2, a spring sleeve 3, an annular cavity 4, an annular piston 5, a sleeve 6, a first sealing ring 7, an annular shoulder 8, a first cover shell 9, a power supply unit 10, a circuit board 11, a second cover shell 12, a first electric connection terminal 13, a second electric connection terminal 14, a second sealing ring 15, a third sealing ring 16, a reinforcing annular block 17, a spine part 18, an air pressure sensor 19, a vent pipe 20, an air outlet one-way valve 21, a plug 22, a detection exhaust tube 23 and an installation cavity 24.

Detailed Description

The invention will now be further described with reference to the accompanying drawings and specific embodiments.

The first embodiment is as follows:

referring to fig. 1 and 2, fig. 1 is a schematic structural view of a track link with an alarm function and an alarm system thereof according to an embodiment of the present invention, and fig. 2 is a partially enlarged view of fig. 1.

The embodiment of the invention discloses a caterpillar track connecting piece with an alarm function, which comprises a shaft body 1 used for connecting caterpillar track chain pieces, wherein a mounting cavity 24 is arranged in the shaft body 1 and positioned at the position of a central shaft, a toughened glass tube 2 is coaxially and fixedly mounted in the mounting cavity 24, a certain gap is formed between the toughened glass tube 2 and the mounting cavity 24, high-pressure air is filled in the toughened glass tube 2, an air pressure sensor 19 is assembled in the shaft body 1, the detection end of the air pressure sensor 19 extends into the mounting cavity 24, the mounting cavity 24 is in an approximate vacuum state under a normal state, when the shaft body 1 is bent and deformed, the toughened glass tube 2 is broken or cracked, the high-pressure air in the toughened glass tube 2 is discharged into the mounting cavity 24, and the air pressure sensor 19 detects that the air pressure in the mounting cavity 24 obviously rises, it indicates that the shaft body 1 has bending deformation, i.e. has a potential safety hazard, so as to detect the state of the shaft body 1.

The coaxial cover in outside of axis body 1 is equipped with sleeve 6, sleeve 6 with form a sealed ring chamber 4 between the axis body 1 jointly, encircle in the ring chamber 4 the 1 cover of axis body is equipped with spring housing 3, the equal sealed slidable mounting in both sides of ring chamber 4 has cyclic annular piston 5, spring housing 3 is located two between the cyclic annular piston 5, 1 internal fixed mounting of axis body has breather pipe 20, and this breather pipe 20 makes installation cavity 24 with ring chamber 4 intercommunication, just breather pipe 20 with the hookup location of ring chamber 4 is located the outside of cyclic annular piston 5, be provided with on the breather pipe 20 by installation cavity 24 to the check valve 21 of giving vent to anger that 4 one-way switches on in ring chamber.

When deformation or crack appear in the axis body 1, 2 fracture of toughened glass pipe, in the high-pressure gas in the glass pipe let in the ring chamber 4 through giving vent to anger check valve 21 and breather pipe 20 in by installation cavity 24, under the initial condition, cyclic annular piston 5 is located both sides position, and spring housing 3 is in the natural state of stretching, because breather pipe 20 with the hookup location of ring chamber 4 is located the outside of cyclic annular piston 5, consequently, under the effect of atmospheric pressure, high-pressure gas extrudes cyclic annular piston 5 to the inboard and draws in to make spring housing 3 compress and form complete external member relatively, this external member extrusion cover is established outside deformation or the axis body 1 that the crack appears, with consolidating to axis body 1, guarantee that axis body 1 is coaxial concentric in a period, in order to prevent that axis body 1 from breaking completely.

In this embodiment, in order to facilitate the maintenance change to spring housing 3, the one end opening of sleeve 6, integrated into one piece has the ring shoulder 8 on the outer wall of axis body 1, the open end of sleeve 6 with the ring shoulder 8 passes through bolt sealing connection to form sealed ring chamber 4, above-mentioned setting makes and realizes removable assembly between sleeve 6 and the axis body 1, thereby is favorable to changing the accessory.

In order to improve the sealing performance of the annular cavity 4, it is preferable that a third sealing ring 16 is disposed between the sleeve 6 and the shaft body 1, and a first sealing ring 7 is disposed between the sleeve 6 and the annular shoulder 8.

In order to facilitate vacuumizing and alarm detection in the installation cavity 24, a detection exhaust pipe 23 is fixedly installed in the shaft body 1, one end of the detection exhaust pipe 23 is communicated with the atmosphere, the other end of the detection exhaust pipe 23 is connected with the installation cavity 24, and the pipe orifice of the detection exhaust pipe 23 is sealed through a plug 22.

The detection exhaust pipe 23 can be used for vacuumizing the installation cavity 24, and meanwhile, air can be introduced into the installation cavity 24 through the detection exhaust pipe 23 to detect the working condition of the air pressure sensor 19.

In this embodiment, preferably, in order to further improve the structural strength of the shaft body 1, a plurality of reinforcing ring blocks 17 are axially arranged in the mounting cavity 24, the plurality of reinforcing ring blocks 17 are distributed at equal intervals, and the tempered glass tube 2 is located inside the reinforcing ring blocks 17. In order to improve the sensitivity of the shaft body 1 fracture detection, a plurality of sharp pointed parts 18 are annularly arranged on the inner peripheral side of the reinforcing ring block 17, and the sharp pointed ends of the sharp pointed parts 18 are abutted against the toughened glass tube 2. When the shaft body 1 deforms to enable one reinforcing ring block 17 to deform, it is indicated that the deformation degree of the shaft body 1 reaches a warning point, and the reinforcing ring block 17 deforms to enable the sharp-pricked portion 18 to prick the toughened glass tube 2 immediately to release high-pressure air, so that the detection sensitivity is greatly improved.

The embodiment of the invention also discloses an alarm system applied to the shaft body 1, the alarm system comprises a power supply unit 10, a circuit board 11, two electric connection terminals and a plurality of connecting wires, the power supply unit 10, the circuit board 11 and the air pressure sensor 19 are electrically connected, the power supply unit 10 supplies power to the circuit board 11 and the air pressure sensor 19, the circuit board 11 is provided with an alarm device which can be one or a combination of more of an alarm lamp, a buzzer or a wireless signal transmitter, the power supply unit 10 and the circuit board 11 are respectively and fixedly arranged in a first housing 9 and a second housing 12, the first electric connection terminal 13 and the second electric connection terminal 14 are respectively and fixedly arranged at two ends of the shaft body 1, the two electric connection terminals are electrically connected through the connecting wires, the two housings are respectively and fixedly arranged at two ends of the shaft body 1 through bolts, a second sealing ring 15 is arranged between the housings and the shaft body, the power supply unit 10 and the circuit board 11 are electrically connected to the corresponding electrical terminals to realize circuit intercommunication. Through the arrangement, the alarm system can form a modular design, and installation, replacement and overhaul of accessories are facilitated. When the pressure sensor 19 detects the pressure rise, with signal of telecommunication transmission to circuit board 11 in, 11 drive alarm equipment of circuit board send alarm signal, sound, light or radio signal promptly to make the staff can find the axis body 1 that has the potential safety hazard the very first time, and in time inspect or change, increase substantially the security performance of track caterpillar track.

Modifications and variations of the present invention are within the scope of the claims and are not limited by the disclosure of the embodiments.