Horizontal two-stage compression screw air compressor

Abstract

The utility model discloses a horizontal two-stage compression screw air compressor, and particularly relates to the technical field of air compressors, the horizontal two-stage compression screw air compressor comprises a shell, an air inlet pipe and an exhaust pipe, the air inlet pipe is installed at the top end of the shell, and a circulating cooling assembly is arranged on the right side of the shell. The liquid pipes, the inserting pipes on the right sides of the first screw rod and the second screw rod are movably connected with the pipe sleeve under the assistance of the connecting pipe, the pipe sleeve is kept in a static state in the rotating process of the first screw rod and the second screw rod, the two liquid pipes are installed in the pipe sleeve and extend into heat dissipation cavities in the first screw rod and the second screw rod, one liquid pipe is long, and the other liquid pipe is short. According to the horizontal two-stage compression screw air compressor, the two sets of liquid pipes extend into different positions, the two sets of liquid pipes can be connected with water chiller equipment, a low-temperature medium enters the heat dissipation cavities in the first screw and the second screw along the liquid pipes, heat generated by the device can be taken away from the inner side of the shell in the flowing process, and the heat dissipation effect of the horizontal two-stage compression screw air compressor in use is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to air compressor technology field, concretely is a horizontal two-stage compression screw air compressor. BACKGROUND

[0002] Two-stage compression screw machine is a commonly used industrial equipment, and is composed of two rotating screws and a shell, and is used for compressing gas or gas mixture to a higher pressure level. The machine uses the rotation of the screw to realize the compression of the gas, and has simple structure and convenient operation, and is widely used in the fields of air compressor, refrigeration unit, oil and natural gas transportation, etc.

[0003] During the use of the horizontal two-stage compression screw air compressor, heat is easily generated. If the heat is not dissipated in time, the operation and use of the horizontal two-stage compression screw air compressor as a whole are affected.

[0004] Therefore, a horizontal two-stage compression screw air compressor is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a horizontal two-stage compression screw air compressor to solve the problem of poor heat dissipation of the horizontal two-stage compression screw air compressor in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a horizontal two-stage compression screw air compressor, comprising a shell, an air inlet pipe and an air outlet pipe, wherein the top end of the shell is provided with the air inlet pipe, the bottom end of the shell is provided with the air outlet pipe, the corner positions of the bottom end of the shell are provided with support frames, the front end inside the shell is movably provided with a first screw, the rear end inside the shell is movably provided with a second screw, the right side of the shell is provided with a circulating cooling assembly, the circulating cooling assembly comprises a tail box, a positioning table, a mounting hole, a pipe sleeve, a plug-in pipe, a connecting pipe, a heat dissipation cavity and a liquid pipe, the right side of the shell is provided with the tail box, the inside of the tail box is fixedly provided with the positioning table, the inside of the positioning table is provided with the mounting hole, the inside of the mounting hole is provided with the pipe sleeve, the right side of the pipe sleeve extends to the outside of the tail box, the right side of the first screw and the second screw is fixedly provided with the plug-in pipe, the left side of the pipe sleeve is fixedly provided with the connecting pipe, the inside of the first screw and the second screw is provided with the heat dissipation cavity, the inside of the pipe sleeve is provided with the liquid pipe, the left side of the liquid pipe extends to the inside of the heat dissipation cavity, and the right side of the liquid pipe extends to the outside of the tail box.

[0007] As a further technical scheme, the left side of the shell is provided with a drive box, the rear end inside the drive box is movably provided with a first gear, the front end inside the drive box is movably provided with a second gear, the right side of the first gear and the second gear is fixedly provided with a connecting shaft, the left side of the first screw and the second screw is fixedly connected with the right side of the connecting shaft, and the left side of the second gear is provided with a motor.

[0008] As a further technical solution, the first gear and the second gear are symmetrically distributed, and the first gear and the second gear are engaged.

[0009] As a further technical solution, the liquid pipes are installed inside the pipe sleeve in two groups, and the two groups of liquid pipes are distributed in parallel.

[0010] As a further technical solution, the cross section of the connecting pipe is smaller than that of the plug-in pipe, and the left side of the connecting pipe extends to the inside of the plug-in pipe.

[0011] As a further technical solution, the inside wall of the air inlet pipe is fixedly provided with a mounting bracket, the inside of the mounting bracket is provided with a mounting groove, the inside of the mounting groove is provided with a filter ring, and the inside of the filter ring is provided with a filter screen.

[0012] As a further technical solution, the inside of the mounting groove is provided with an internal thread, and the surface of the filter ring is provided with an external thread.

[0013] As a further technical solution, the top end and the bottom end of the drive box are provided with oil injection pipes, and the bottom end of the oil injection pipe is provided with a sealing cap.

[0014] Compared with the prior art, the beneficial effects of the utility model are that: through the liquid pipe, the plug-in pipe on the right side of the first screw rod and the second screw rod, and the auxiliary connection of the connecting pipe and the pipe sleeve, the pipe sleeve remains in a stationary state during the rotation of the first screw rod and the second screw rod, two groups of liquid pipes are installed inside the pipe sleeve and extend into the heat dissipation cavities inside the first screw rod and the second screw rod, one long and one short, and extend into different positions, the two groups of liquid pipes can be connected to a water chiller type device, and low-temperature medium is introduced into the heat dissipation cavities inside the first screw rod and the second screw rod along the liquid pipes, and the heat generated by the device can be taken away from the inside of the shell during the flow process, thereby enhancing the heat dissipation effect of the horizontal two-stage compression screw rod air compressor during use.

[0015] Through the filter ring and the filter screen, the filter ring is installed on the mounting bracket on the inside wall of the air inlet pipe through a thread, and the filter screen inside the air inlet pipe can assist in filtering air when air enters the inside of the shell along the air inlet pipe, thereby realizing the filtering function of the air inlet end of the horizontal two-stage compression screw rod air compressor.

[0016] Through the oil injection pipe, the oil injection pipe is located at the upper and lower ends of the drive box, and after the sealing cap is removed, lubricating oil can be injected into the inside of the drive box through the oil injection pipe, thereby assisting in lubricating and maintaining the first gear and the second gear inside the drive box, and realizing the oil injection and maintenance function of the inside of the drive box of the horizontal two-stage compression screw rod air compressor. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1The front view sectional structure schematic view of the utility model;

[0018] Figure 2 The front view sectional structure schematic view of the utility model;

[0019] Figure 3 The front view sectional structure schematic view of the utility model;

[0020] Figure 4 The front view sectional structure schematic view of the utility model;

[0021] Figure 5 The front view sectional structure schematic view of the utility model.

[0022] In the figure: 1, shell; 2, air inlet pipe; 3, exhaust pipe; 4, support frame; 5, first screw rod; 6, second screw rod; 7, drive box; 8, first gear; 9, second gear; 10, connecting shaft; 11, motor; 12, tail box; 13, positioning table; 14, mounting hole; 15, pipe sleeve; 16, plug-in pipe; 17, connecting pipe; 18, heat dissipation cavity; 19, liquid pipe; 20, mounting frame; 21, mounting groove; 22, filter ring; 23, filter screen; 24, oil injection pipe; 25, sealing cap. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5The utility model provides a kind of embodiment: a kind of horizontal two-stage compression screw air compressor, including shell 1, air inlet pipe 2 and exhaust pipe 3, the top of shell 1 is equipped with air inlet pipe 2, the bottom of shell 1 is equipped with exhaust pipe 3, the corner position at the bottom of shell 1 is equipped with support frame 4, the front end movable mounting of shell 1 inside is equipped with first screw 5, the rear end movable mounting of shell 1 inside is equipped with second screw 6, the left side of shell 1 is equipped with drive box 7, the rear end movable mounting of first gear 8 in drive box 7 inside, the front end movable mounting of second gear 9 in drive box 7 inside, first gear 8 and second gear 9 are symmetrically distributed, first gear 8 and second gear 9 are engaged, the right side of first gear 8 and second gear 9 is fixed with connecting shaft 10, connecting shaft 10 right side and the left side of first screw 5, second screw 6 are fixedly connected, the left side of second gear 9 is equipped with motor 11, the right side of shell 1 is provided with circulating cooling assembly, circulating cooling assembly includes tail box 12, positioning table 13, mounting hole 14, pipe sleeve 15, plug-in pipe 16, connecting pipe 17, heat dissipation cavity 18 and liquid pipe 19, the right side of shell 1 is equipped with tail box 12, tail box 12 is fixed with positioning table 13 in the inside, positioning table 13 is provided with mounting hole 14 in the inside, mounting hole 14 is equipped with pipe sleeve 15 in the inside, pipe sleeve 15 right side extends to the outside of tail box 12, the right side of first screw 5 and second screw 6 is fixed with plug-in pipe 16, the left side of pipe sleeve 15 is fixed with connecting pipe 17, the cross section of connecting pipe 17 is less than the cross section of plug-in pipe 16, connecting pipe 17 left side extends to the inside of plug-in pipe 16, the inside of first screw 5 and second screw 6 is provided with heat dissipation cavity 18, pipe sleeve 15 is equipped with liquid pipe 19 in the inside, liquid pipe 19 left side extends to the inside of heat dissipation cavity 18, liquid pipe 19 right side extends to the outside of tail box 12, two groups are installed in the inside of pipe sleeve 15 to liquid pipe 19, two groups of liquid pipe 19 are parallelly distributed;

[0025] Specifically, as shown in Figure 1 、 Figure 2 and Figure 3 , in use, two groups of liquid pipe 19 are inserted into the heat dissipation cavity 18 inside first screw 5 and second screw 6 along pipe sleeve 15, one long and one short, after being connected with water cooler equipment, liquid pipe 19 can be filled with low-temperature medium, the low-temperature medium can penetrate into the heat dissipation cavity 18 inside along the long liquid pipe 19, after filling the heat dissipation cavity 18 inside, it is discharged along the short liquid pipe 19, realizing the circulation of low-temperature medium, with the help of circulating low-temperature medium, the heat inside shell 1 can be taken away from the inside to assist heat dissipation treatment;

[0026] The inner side wall of air inlet pipe 2 is fixed with mounting bracket 20, mounting bracket 20 is provided with mounting groove 21 in the inside, mounting groove 21 is provided with filter ring 22 in the inside, mounting groove 21 is provided with internal thread in the inside, the surface of filter ring 22 is provided with external thread, filter ring 22 is installed with filter screen 23 in the inside;

[0027] Specifically, as shown in Figure 1 and Figure 4 When in use, the filter ring 22 and the filter screen 23 inside the shell 1 can filter the gas entering the shell 1, and the filter ring 22 is installed by screwing, and the filter ring 22 can be rotated and removed for maintenance;

[0028] The top and bottom ends of the drive box 7 are provided with oil injection pipes 24, and the bottom end of the oil injection pipe 24 is provided with a sealing cap 25.

[0029] Specifically, as shown in Figure 1 and Figure 5 When in use, the two groups of oil injection pipes 24 are respectively located at the upper and lower ends of the drive box 7, and after removing the sealing cap 25 of the oil injection pipe 24, lubricating oil can be injected into the inside of the drive box 7 through the oil injection pipe 24.

[0030] Working principle: when in use, the motor 11 is started, the first gear 8 and the second gear 9 are rotated, and the first screw 5 and the second screw 6 inside the shell 1 are driven to rotate with the aid of the connecting shaft 10, the gas enters through the air inlet pipe 2 and is discharged through the air outlet pipe 3, the filter ring 22 is installed by screwing on the inside of the air inlet pipe 2 for use, and the gas entering the shell 1 can be filtered, the two groups of liquid pipes 19 are long and short, and are inserted into the heat dissipation cavity 18 inside the first screw 5 and the second screw 6 through the pipe sleeve 15, and after being connected with the water chiller, the liquid pipe 19 can be connected with the low-temperature medium, the low-temperature medium can be inserted into the heat dissipation cavity 18 through the long liquid pipe 19, and after filling the heat dissipation cavity 18, it is discharged through the short liquid pipe 19, realizing the circulation of the low-temperature medium, and the circulating low-temperature medium can assist in taking away the heat inside the shell 1, and the first gear 8 and the second gear 9 inside the drive box 7 can be lubricated and maintained through the oil injection pipes 24 at the upper and lower ends of the drive box 7.

Claims

1. A horizontal two-stage compression screw air compressor comprising a casing (1), an air inlet pipe (2) and an air outlet pipe (3), characterized in that: The top end of the shell (1) is provided with an air inlet pipe (2), the bottom end of the shell (1) is provided with an air outlet pipe (3), the corners of the bottom end of the shell (1) are provided with support frames (4), the front end of the inside of the shell (1) is movably provided with a first screw rod (5), the rear end of the inside of the shell (1) is movably provided with a second screw rod (6), and the right side of the shell (1) is provided with a circulating cooling assembly; The circulating cooling assembly comprises a tail box (12), a positioning table (13), a mounting hole (14), a pipe sleeve (15), a plug-in pipe (16), a connecting pipe (17), a heat dissipation cavity (18) and a liquid pipe (19), the right side of the shell (1) is provided with a tail box (12), the inside of the tail box (12) is fixedly provided with a positioning table (13), the inside of the positioning table (13) is provided with a mounting hole (14), the inside of the mounting hole (14) is provided with a pipe sleeve (15), the right side of the pipe sleeve (15) extends to the outside of the tail box (12), the right side of the first screw rod (5) and the second screw rod (6) is fixedly provided with a plug-in pipe (16), the left side of the pipe sleeve (15) is fixedly provided with a connecting pipe (17), the inside of the first screw rod (5) and the second screw rod (6) is provided with a heat dissipation cavity (18), and the inside of the pipe sleeve (15) is provided with a liquid pipe (19), the left side of the liquid pipe (19) extends to the inside of the heat dissipation cavity (18), and the right side of the liquid pipe (19) extends to the outside of the tail box (12).

2. A horizontal double stage compression screw air compressor as claimed in claim 1 wherein: The left side of the shell (1) is provided with a drive box (7), the rear end of the inside of the drive box (7) is movably provided with a first gear (8), the front end of the inside of the drive box (7) is movably provided with a second gear (9), the right side of the first gear (8) and the second gear (9) is fixedly provided with a connecting shaft (10), the left side of the connecting shaft (10) is fixedly connected with the first screw rod (5) and the second screw rod (6), and the left side of the second gear (9) is provided with a motor (11).

3. A horizontal double stage compression screw air compressor as claimed in claim 2 wherein: The first gear (8) and the second gear (9) are symmetrically distributed, and the first gear (8) and the second gear (9) are engaged.

4. A horizontal double stage compression screw air compressor as claimed in claim 1 wherein: The liquid pipe (19) is provided in two groups in the inside of the pipe sleeve (15), and the two groups of liquid pipes (19) are parallelly distributed.

5. A horizontal double stage compression screw air compressor as claimed in claim 1 wherein: The cross section of the connecting pipe (17) is smaller than that of the plug-in pipe (16), and the left side of the connecting pipe (17) extends to the inside of the plug-in pipe (16).

6. A horizontal double stage compression screw air compressor as claimed in claim 1 wherein: The inside of the air inlet pipe (2) is fixedly provided with a mounting frame (20), the inside of the mounting frame (20) is provided with a mounting groove (21), the inside of the mounting groove (21) is provided with a filter ring (22), and the inside of the filter ring (22) is provided with a filter screen (23).

7. A horizontal double stage compression screw air compressor as claimed in claim 6 wherein: The inside of the mounting groove (21) is provided with an internal thread, and the surface of the filter ring (22) is provided with an external thread.

8. A horizontal double stage compression screw air compressor as claimed in claim 2 wherein: The top end and the bottom end of the drive box (7) are provided with oil injection pipes (24), and the bottom end of the oil injection pipe (24) is provided with a sealing cap (25).

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