CN220185496U - Hydraulic cylinder for mine noise reduction machinery - Google Patents

Abstract

The utility model provides a hydraulic cylinder for mine noise reduction machinery, which relates to the technical field of hydraulic cylinders and comprises a sound insulation mechanism, wherein a hydraulic cylinder mechanism is fixedly arranged at the bottom of the inner wall of the sound insulation mechanism, the hydraulic mechanism is fixedly embedded in the hydraulic cylinder mechanism in a sliding manner, and a vacuum mechanism is fixedly arranged on the outer surface wall of the hydraulic cylinder mechanism.

Description

A hydraulic cylinder for mining noise reduction machinery

Technical field

The utility model relates to the technical field of hydraulic cylinders, and in particular to a hydraulic cylinder for mining noise reduction machinery.

Background technique

A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swing motion). It has a simple structure and reliable operation. When using it to achieve reciprocating motion, a deceleration device can be eliminated and there is no transmission gap. , the movement is smooth, so it is widely used in the hydraulic system of various machinery.

In the existing technology, the hydraulic cylinder will generate noise due to air entering the inside of the hydraulic cylinder during operation. If the generated noise is not processed, it will spread to the outside, which will easily have a certain impact on people and things in the working environment, causing it to There are limitations in use.

Utility model content

The purpose of this utility model is to solve the problem that when the above-mentioned equipment is in use, the noise generated by the equipment cannot be eliminated and isolated, so that when the equipment is in use, it is easy to have a certain impact on people and things in the working environment, thereby proposing A hydraulic cylinder for mining noise reduction machinery.

In order to achieve the above purpose, the present utility model adopts the following technical solution: a hydraulic cylinder for mining machinery, including a sound insulation mechanism. A hydraulic cylinder mechanism is fixedly installed at the bottom of the inner wall of the sound insulation mechanism. A hydraulic cylinder mechanism is slidably embedded inside the hydraulic cylinder mechanism. Mechanism, a vacuum mechanism is fixedly installed on the outer wall of the hydraulic cylinder mechanism;

The vacuum mechanism includes two bases. A motor is fixedly installed between the tops of the two bases. The output end of the motor is fixedly equipped with a fan blade. One side of the outer wall of the motor is fixedly installed with a shell. The outer wall of the shell is fixed. An air inlet groove is provided, an exhaust groove is provided on the outer wall of the housing, and a pipeline is fixedly connected to the inner surface wall of the air inlet groove.

Preferably, the sound insulation mechanism includes a sound insulation cover, an air outlet is provided on the outer wall of the sound insulation cover, an exhaust pipe is fixedly connected to the inside of the air outlet, and an oil delivery tank is provided near the edge of the outer wall of the sound insulation cover. An oil inlet pipe is fixedly connected inside the oil delivery tank, a hinge is fixedly installed on the top of the soundproof cover, and a first circular groove is provided on the top of the soundproof cover.

Preferably, the hydraulic cylinder mechanism includes a cylinder body, a power supply is fixedly installed on the outer wall of the cylinder body, an oil inlet groove is provided on the outer wall of the cylinder body near the edge, and a first connecting pipe is fixedly connected to the inner wall of the oil inlet groove. , an air outlet groove is provided near the edge of the outer wall of the cylinder.

Preferably, the inner wall of the air outlet groove is fixedly connected with a second connecting pipe, sound insulation cotton is fixedly inserted between the outer wall and the inner surface wall of the cylinder, and a fixed cover is provided on the top of the cylinder. The top of the cover is fixedly mounted with a cylinder head through screws. The outer wall fixing sleeve of the cylinder head is provided with a dust ring, and the outer outer wall fixing sleeve of the cylinder head is provided with a buffer ring.

Preferably, the hydraulic mechanism includes a hydraulic rod, a shaft sleeve is fixed on the top of the hydraulic rod, a second circular groove is provided on the outer wall of the hydraulic rod, and a circular groove is fixedly inserted on the inner surface wall of the second circular groove. shaft, the outer wall fixed sleeve of the circular shaft is provided with a piston, the piston outer wall fixed sleeve is provided with a wear-resistant ring, and the piston outer wall fixed sleeve is provided with an oil seal.

Preferably, the bottom of the cylinder is fixedly connected to the bottom of the inner wall of the soundproof cover, the outer wall of the piston is movably embedded in the interior of the cylinder, and the bottoms of both bases are fixedly connected to the outer walls of the cylinder.

Compared with the existing technology, the advantages and positive effects of this utility model are:

1. In this utility model, during use, through the cooperation of the sound insulation mechanism and the vacuum mechanism, air enters the inside of the hydraulic cylinder mechanism, and the hydraulic mechanism will produce noise when working. At this time, the vacuum mechanism starts to work, driven by the motor. The fan blades work to suck out the air inside the hydraulic cylinder through the pipe and then discharge it through the exhaust slot, so that the inside of the cylinder structure is in a vacuum state, so no noise is produced. The sound insulation cotton fixedly embedded inside the cylinder can also absorb part of the noise. The installed soundproof cover can also prevent the noise from spreading outward, and the noise reduction effect is achieved through the above structures and methods.

2. In this utility model, during use, through the cooperation of the sound insulation mechanism and the hydraulic cylinder mechanism, the external sound insulation cover can also play a certain dust-proof role during the operation of the equipment, preventing dust from entering the inside of the cylinder. It can also prevent rainwater from invading the inside of the cylinder.

3. In the present utility model, when the air inside the cylinder is extracted under the action of the vacuum mechanism, the hydraulic mechanism can also be cooled to a certain extent during use.

Description of drawings

Figure 1 is an exploded view of the front structure of a hydraulic cylinder for mining noise reduction machinery proposed by this utility model;

Figure 2 is a cross-sectional view of the sound insulation mechanism in a hydraulic cylinder for mining noise reduction machinery proposed by this utility model;

Figure 3 is an exploded view of the hydraulic cylinder mechanism in a hydraulic cylinder for mining noise reduction machinery proposed by this utility model;

Figure 4 is a perspective view of the hydraulic mechanism in a hydraulic cylinder for mining noise reduction machinery proposed by the utility model;

Figure 5 is an exploded view of the vacuum mechanism in a hydraulic cylinder for mining noise reduction machinery proposed by this utility model.

illustration:

1. Sound insulation mechanism; 101. Sound insulation cover; 102. Air outlet; 103. Exhaust pipe; 104. Oil tank; 105. Oil inlet pipe; 106. Hinge; 107. First circular groove;

2. Hydraulic cylinder mechanism; 201. Cylinder body; 202. Power supply; 203. Oil inlet tank; 204. First connecting pipe; 205. Air outlet tank; 206. Second connecting pipe; 207. Sound insulation cotton; 208. Fixed cover; 209 , cylinder head; 210, dust ring; 211, buffer ring;

3. Hydraulic mechanism; 301. Hydraulic rod; 302. Bushing; 303. Second circular groove; 304. Circular shaft; 305. Piston; 306. Wear-resistant ring; 307. Oil seal;

4. Vacuum mechanism; 401. Base; 402. Motor; 403. Fan blades; 404. Shell; 405. Air inlet groove; 406. Exhaust groove; 407. Pipe.

Detailed ways

In order to understand the above-mentioned objects, features and advantages of the present invention more clearly, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, as long as there is no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described here. Therefore, the present utility model is not limited to the specific disclosure of the specification below. Limitations of Examples.

Embodiment 1, as shown in Figures 1 to 5, the utility model provides a hydraulic cylinder for mining noise reduction machinery, which includes a sound insulation mechanism 1. A hydraulic cylinder mechanism 2 is fixedly installed at the bottom of the inner wall of the sound insulation mechanism 1. The inside of the hydraulic cylinder mechanism 2 A hydraulic mechanism 3 is slidably embedded, and a vacuum mechanism 4 is fixedly installed on the outer wall of the hydraulic cylinder mechanism 2;

The vacuum mechanism 4 includes two bases 401. A motor 402 is fixedly installed between the tops of the two bases 401. The output end of the motor 402 is fixed with a fan blade 403. A shell 404 is fixedly installed on one side of the outer wall of the motor 402. The outer wall of the shell 404 is opened There is an air inlet slot 405. An exhaust slot 406 is provided on the outer wall of the casing 404. A pipe 407 is fixedly connected to the inner surface wall of the air inlet slot 405. The sound insulation mechanism 1 includes a sound insulation cover 101. An air outlet 102 is provided on the outer wall of the sound insulation cover 101. An exhaust pipe 103 is fixedly connected to the inside of the air port 102. An oil delivery tank 104 is provided near the edge of the outer wall of the soundproof cover 101. An oil inlet pipe 105 is fixedly connected to the inside of the oil transfer tank 104. A hinge 106 is fixedly installed on the top of the soundproof cover 101. The top of the soundproof cover 101 is A first circular groove 107 is provided.

The effect achieved by the entire embodiment 1 is that the motors 402 fixedly installed on the top of the two bases 401 drive the fan blades 403 to work inside the housing 404, so that the air passes through the pipe 407 from the air inlet slot 405 to the inside of the housing 404, and then passes through the fan. The operation of the blade 403 sends the air inside the housing 404 from the exhaust groove 406 to the interior of the exhaust pipe 103. The air then passes through the exhaust pipe 103 and is discharged from the air outlet 102. The hydraulic oil arrives from the oil delivery groove 104 through the oil inlet pipe 105. Inside the hydraulic equipment, the hinge 106 on the top of the soundproof cover 101 is used to open and close the lid on the top of the soundproof cover 101. The first circular groove 107 on the top of the soundproof cover is to allow the equipment to work normally. The soundproof cover 101 is made by internal unevenness. structure to prevent the transmission of noise generated by the equipment to achieve the purpose of noise reduction.

Embodiment 2, as shown in Figures 3 and 4, the hydraulic cylinder mechanism 2 includes a cylinder 201. A power supply 202 is fixedly installed on the outer wall of the cylinder 201. An oil inlet groove 203 is provided near the edge of the outer wall of the cylinder 201. The oil inlet groove is The inner wall of 203 is fixedly connected with a first connecting pipe 204. The outer wall of the cylinder 201 is provided with an air outlet groove 205 near the edge. The inner wall of the air outlet groove 205 is fixedly connected with a second connecting pipe 206. The outer wall and the inner surface wall of the cylinder 201 are fixedly connected. Sound insulation cotton 207 is inserted, and a fixed cover 208 is provided on the top of the cylinder block 201. A cylinder cover 209 is fixed on the top of the fixed cover 208 with screws. The outer wall fixed cover of the cylinder cover 209 is provided with a dust ring 210. The outer surface of the cylinder cover 209 is The wall fixed sleeve is provided with a buffer ring 211. The hydraulic mechanism 3 includes a hydraulic rod 301. The top fixed sleeve of the hydraulic rod 301 is provided with a shaft sleeve 302. The outer wall of the hydraulic rod 301 is provided with a second circular groove 303, and the second circular groove 303 is provided on the inner surface wall. A round shaft 304 is fixedly inserted. The outer wall fixed sleeve of the circular shaft 304 is provided with a piston 305. The outer wall fixed sleeve of the piston 305 is provided with a wear-resistant ring 306. The outer wall fixed sleeve of the piston 305 is provided with an oil seal 307. The bottom of the cylinder 201 and The bottom of the inner wall of the sound insulation cover 101 is fixedly connected, the outer wall of the piston 305 is movably embedded in the inside of the cylinder 201, and the bottoms of the two bases 401 are fixedly connected to the outer walls of the cylinder 201.

The effect achieved by the entire embodiment 2 is that the hydraulic oil is input into the cylinder 201 from the oil inlet tank 203 through the first connecting pipe 204, and the hydraulic oil is used to push the piston 305 to move on the inner surface wall of the cylinder 201, and the outer wall of the piston 305 is fixed. A wear-resistant ring 306 is provided to prevent excessive wear of the inner wall of the cylinder 201. An oil seal 307 is fixed to the outer wall of the piston 305 to prevent hydraulic oil from flowing to the top of the piston 305. The piston 305 is connected to the hydraulic rod 301 through a circular shaft 304. The shaft sleeve 302 fixedly installed on the top of the rod 301 drives the external equipment to work. The fixed cover 208 fixedly installed on the top of the cylinder 201 fixes the cylinder head 209. The dust ring 210 on the outer wall of the cylinder head 209 is used to prevent external dust and air from entering. Inside the cylinder 201, the buffer ring 211 on the outer wall of the cylinder head 209 is to prevent the equipment from being damaged due to excessive external pressure when the equipment is working. The air outlet groove 205 provided on the outer wall of the cylinder 201 is to prevent the cylinder from being damaged. The air inside the body 201 is discharged from the air outlet groove 205 and then through the second connecting pipe 206. The sound insulation cotton 207 fixedly inserted between the outer wall and the inner wall of the cylinder 201 is used to absorb the noise generated when the equipment is working.

Working principle: When the equipment is working, oil is transferred into the equipment through the oil transfer tank 104 opened at the edge of the outer wall of the sound insulation cover 101. The hydraulic oil is transported from the oil inlet pipe 105 to the first connecting pipe 204, and then reaches the inlet through the first connecting pipe 204. The oil tank 203 is transported from the oil inlet tank 203 to the inside of the cylinder 201. Under the action of the hydraulic oil, the piston 305 moves up and down. The wear-resistant ring 306 fixed on the outer wall of the piston 305 is to prevent the piston 305 from colliding with the cylinder during movement. If the inner wall of the cylinder 201 is damaged due to repeated friction, the oil seal 307 fixed on the outer wall of the piston 305 is to prevent the hydraulic oil from entering the top of the piston 305 due to the pressure during the movement of the piston 305. The circular shaft 304 is connected to the second circular groove 303 to drive the hydraulic rod 301 to move. The sleeve shaft 302 is fixed on the top of the hydraulic rod 301 to drive the work of external equipment. The top of the base 401 installed on the outer wall of the cylinder 201 A motor 402 is fixedly installed. A battery installed on the outer wall of the cylinder 201 can provide power to the motor 402. The motor 402 runs inside the housing 404 through the fan blade 403 installed on the top, sucking the air inside the cylinder 201 out of the air outlet slot 205. Through the second connecting pipe 206, it reaches the inside of the pipe 407, and then from the air inlet slot 405 to the inside of the housing 404. The air is transported from the exhaust slot 406 to the exhaust pipe 103 through the operation of the fan blade 403, and the air is transported through the exhaust pipe 103. Expelled from the air outlet 102, the sound insulation cotton 207 is fixedly inserted between the outer wall and the inner surface wall of the cylinder 201, which can be used to absorb the noise generated by the equipment. A fixed cover 208 is fixedly installed on the top of the cylinder 201. The top of the fixed cover 208 is The cylinder head 209 is fixedly installed with screws. The dust ring 210 fixed on the outer wall of the cylinder head 209 is used to prevent dust from entering the inside of the cylinder 201, thus affecting the normal use of the equipment. The buffer ring 210 fixed on the outer wall of the cylinder head 209 The ring 211 is to avoid the problem of equipment damage due to excessive pressure of external equipment. The hinge 106 installed on the top of the soundproof cover 101 is to open the cover on the top of the soundproof cover 101. The first circular groove 107 is opened on the top of the soundproof cover 101. , the shaft sleeve 302 can be connected with external equipment, thereby achieving the purpose of driving the external equipment to work.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any skilled person familiar with the art may make changes or modifications to equivalent changes using the technical contents disclosed above. Equivalent embodiments can be used in other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solutions of the present utility model still belong to the technical solutions of the present utility model. scope of protection.

Claims (2)

1. The utility model provides a mine hydraulic cylinder for noise reduction machinery which characterized in that: the sound insulation device comprises a sound insulation mechanism (1), wherein a hydraulic cylinder mechanism (2) is fixedly arranged at the bottom of the inner wall of the sound insulation mechanism (1), a hydraulic mechanism (3) is embedded in the hydraulic cylinder mechanism (2) in a sliding manner, and a vacuum mechanism (4) is fixedly arranged on the outer surface wall of the hydraulic cylinder mechanism (2);

the vacuum mechanism (4) comprises two bases (401), a motor (402) is fixedly arranged between the tops of the two bases (401), fan blades (403) are fixedly sleeved at the output end of the motor (402), a shell (404) is fixedly arranged at the top of the motor (402), an air inlet groove (405) is formed in the outer surface wall of the shell (404), an air outlet groove (406) is formed in the outer surface wall of the shell (404), and a pipeline (407) is fixedly communicated with the inner surface wall of the air inlet groove (405);

the sound insulation mechanism (1) comprises a sound insulation cover (101), an air outlet (102) is formed in the outer surface wall of the sound insulation cover (101), an exhaust pipe (103) is fixedly communicated with the inside of the air outlet (102), an oil conveying groove (104) is formed in the outer surface wall of the sound insulation cover (101) close to the edge, an oil inlet pipe (105) is fixedly communicated with the inside of the oil conveying groove (104), a hinge (106) is fixedly arranged at the top of the sound insulation cover (101), and a first round groove (107) is formed in the top of the sound insulation cover (101);

the hydraulic cylinder mechanism (2) comprises a cylinder body (201), a power supply (202) is fixedly arranged on the outer surface wall of the cylinder body (201), an oil inlet groove (203) is formed in the outer surface wall of the cylinder body (201) close to the edge, a first connecting pipe (204) is fixedly communicated with the inner wall of the oil inlet groove (203), and an air outlet groove (205) is formed in the outer surface wall of the cylinder body (201) close to the edge;

the hydraulic mechanism (3) comprises a hydraulic rod (301), a shaft sleeve (302) is fixedly sleeved on the top of the hydraulic rod (301), a second circular groove (303) is formed in the outer surface wall of the bottom of the hydraulic rod (301), a circular shaft (304) is fixedly inserted into the inner surface wall of the second circular groove (303), a piston (305) is fixedly sleeved on the outer surface wall of the circular shaft (304), a wear-resistant ring (306) is fixedly sleeved on the outer surface wall of the piston (305), and an oil seal (307) is fixedly installed on the outer surface wall of the piston (305);

the bottom of the cylinder body (201) is fixedly connected with the bottom of the inner wall of the sound-proof housing (101), the outer surface wall of the piston (305) is movably embedded in the cylinder body (201), and the bottoms of the two bases (401) are fixedly connected with the outer surface wall of the cylinder body (201).

2. The hydraulic cylinder for the mine noise reduction machine according to claim 1, wherein: the utility model discloses a cylinder cap, including cylinder cap (209), cylinder cap (209) outer wall movable sleeve, cylinder cap (209) outer wall fixed sleeve is equipped with dust ring (210), cylinder cap (209) outer wall fixed sleeve is equipped with buffer ring (211), cylinder cap (201) inner wall fixed sleeve is equipped with second connecting pipe (206), fixed inserting between cylinder cap (201) outer wall and the interior table wall soundproof cotton (207), cylinder cap (201) top fixed mounting has fixed cover (208), fixed cover (208) top is through screw fixed mounting has cylinder cap (209).