Variable-pitch internal space meshing conical double-screw compressor

Abstract

The utility model relates to the technical field of double-screw compressors, in particular to a variable-pitch internal space meshing conical double-screw compressor, and solves the technical problems that the existing double-screw compressor is difficult to mount in a protective cover and needs to consume a large amount of time; according to the technical scheme, the variable-pitch internal space meshing conical double-screw compressor comprises a protective cover, a double-screw compressor body, a ventilation assembly, a supporting platform, a top cover, a first sliding assembly and a second sliding assembly; the supporting platform is moved to the outside of the protective cover through the first sliding assembly, the supporting platform and the double-screw compressor are moved into the protective cover together through the first sliding assembly after installation is completed, the opening and closing relation of the top cover can be changed through the second sliding assembly, workers can climb up the protective cover conveniently to conduct internal circuit connection, and the working efficiency is improved. The installation difficulty is reduced, and the problems that the installation difficulty of an existing double-screw compressor in a protective cover is large, and a large amount of time needs to be consumed are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of twin-screw compressors, and in particular relates to an internal space meshing conical twin-screw compressor with variable pitch. Background Art

[0002] Twin-threaded rod compressors are often used in air supply, refrigeration and waste heat recovery systems due to their lack of wearing parts such as air valves, forced air intake and exhaust, and simple processing. Application No. CN113513476A designs an internal space meshing conical twin-screw compressor with variable pitch to further improve the compression ratio and space utilization.

[0003] At present, in order to prevent the twin-screw compressor from being damaged due to external force during use, a square protective cover is often installed on the outside. However, the existing twin-screw compressor is installed inside the protective cover, which is difficult to install.

[0004] Therefore, in order to address the problem that the existing twin-screw compressor needs to be installed inside a protective cover, which is difficult to install and takes a lot of time, the existing twin-screw compressor is improved by adding a sliding assembly to it. After the twin-screw compressor is installed in a wide environment, it is pushed into the protective cover to reduce the difficulty of installation and the time spent on installation. Utility Model Content

[0005] In order to overcome the problem that the existing twin-screw compressor is difficult to install in the protective cover and requires a lot of time.

[0006] The technical solution of the utility model is: a variable pitch internal space meshing conical twin-screw compressor, including a protective cover, a twin-screw compressor body, a ventilation component, a support platform, a top cover, a No. 1 sliding component, and a No. 2 sliding component; the twin-screw compressor body is arranged on the protective cover, the ventilation component is installed on the protective cover, the support platform is movably connected inside the protective cover, two top covers facing each other front and back are arranged on the top of the protective cover, a No. 1 sliding component of a movable support platform is arranged inside the protective cover, and a No. 2 sliding component for opening and closing the top cover is arranged on the protective cover.

[0007] Preferably, by adding a No. 1 sliding component that can move the supporting plate and a No. 2 or a component that moves the top cover, the installation space for the twin-screw compressor is expanded, the difficulty of installing the twin-screw compressor is reduced, and the time of installing the twin-screw compressor is shortened. The ventilation component is responsible for ventilation and heat dissipation to prevent the twin-screw compressor from malfunctioning due to high temperature.

[0008] Preferably, the ventilation assembly includes an exhaust fan and a ventilation window; the exhaust fan is installed on the front side of the protective hood, and the ventilation window with ventilation slots on the surface is installed on the rear side of the protective hood. After the twin-screw compressor is started, the temperature inside the protective hood will be heated to avoid high temperature causing failure of the twin-screw compressor. The air in the protective hood is extracted by the exhaust fan to make the protective hood in a negative pressure state, and the external air is sucked into the protective hood through the ventilation window to achieve the effect of ventilation and heat dissipation.

[0009] Preferably, the ventilation assembly also includes a dust shield; a dust shield with a certain slope from top to bottom is fixedly connected to the ventilation window, the dust shield is located on the front side of the ventilation slot, the dust shield has a certain slope, and can block debris and dust in the air from the dust shield, and the air enters the protective cover along the ventilation slot in the ventilation window.

[0010] Preferably, a support platform is provided inside the protective cover, the twin-screw compressor body is mounted on the support platform, and a No. 1 handle is installed on the support platform, through which the support platform can be conveniently pulled out or pushed back.

[0011] Preferably, two movable doors facing each other front and back are hinged on the right side of the protective cover, and a No. 2 handle is installed on the movable door. A ladder is installed on the rear side of the protective cover. The movable door is opened by the No. 2 handle, and the staff can climb into the protective cover using the ladder, and then connect the lines of the twin-screw compressor from above.

[0012] Preferably, the No. 1 sliding assembly includes a No. 1 slide groove and a No. 1 slider; two No. 1 slide grooves facing each other front and back are opened on the inner bottom plate of the protective cover, and a slider No. 1 is slidably connected in the No. 1 slide groove, and the support platform is installed between the two sliders No. 1. The movement of the support platform in the protective cover is changed by moving the slider No. 1 in the No. 1 slide groove, and the support platform is moved to the outside of the protective cover to facilitate the installation of the twin-screw compressor.

[0013] Preferably, the No. 2 sliding assembly includes a No. 2 slide groove and a No. 2 slider; a No. 2 slide groove is opened at the top of the protective cover, and the No. 2 slider is fixedly connected to the No. 2 slide groove, and the top cover is installed on the No. 2 slider. The No. 2 slider is moved in the No. 2 slide groove to move the two top covers in opposite directions, exposing the scene inside the protective cover to the outside, which is convenient for installing the lines.

[0014] Beneficial effects of the utility model:

[0015] 1. By installing the No. 1 sliding component and the No. 2 sliding component on the protective cover of the existing twin-screw compressor, the No. 1 sliding component can move the support platform for installing the twin-screw compressor body, and move the support platform to the outside of the protective cover. The wide installation environment can reduce the difficulty of installing the twin-screw compressor body. After the installation is completed, the support platform and the twin-screw compressor are moved into the protective cover together through the No. 1 sliding component. The No. 2 sliding component can change the opening and closing relationship of the top cover. By opening the top cover, the ladder fixedly connected to the protective cover is used to facilitate the staff to climb up the protective cover to connect the internal lines. After the line connection is completed, the top cover is closed to reduce the difficulty of installation;

[0016] 2. Use the exhaust fan to extract the high-temperature air generated by the running twin-screw compressor from the protective cover, so that a negative pressure state is formed inside the protective cover, and the external Xinxiang air is sucked in from the ventilation window. The dust shield can block the dust in the air outside the ventilation window and let the air pass through to prevent dust from entering the protective cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The first three-dimensional structure schematic diagram of the variable pitch internal space meshing conical twin-screw compressor of the utility model is shown;

[0018] Figure 2 The second stereoscopic structure schematic diagram of the variable pitch internal space meshing conical twin-screw compressor of the utility model is shown;

[0019] Figure 3 The third stereoscopic structure schematic diagram of the variable pitch internal space meshing conical twin-screw compressor of the utility model is shown;

[0020] Figure 4 The fourth three-dimensional structure schematic diagram of the variable pitch internal space meshing conical twin-screw compressor of the utility model is shown;

[0021] Figure 5 The three-dimensional structure diagram of the support platform and the first slider of the internal space meshing conical twin-screw compressor with variable pitch of the utility model is shown;

[0022] Figure 6 Shown is a schematic diagram of the three-dimensional structure of the top cover and the second slider of the internal space meshing conical twin-screw compressor with variable pitch of the utility model.

[0023] Explanation of the reference numerals in the accompanying drawings: 1. Protective cover; 2. Twin-screw compressor body; 3. Support platform; 4. Top cover; 501. Exhaust fan; 502. Ventilation window; 503. Dust shield; 6. Handle No. 1; 7. Movable door; 8. Handle No. 2; 9. Ladder; 1001. Slide No. 1; 1002. Slider No. 1; 1101. Slide No. 2; 1102. Slider No. 2. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] See also Figure 1-2 The utility model provides an embodiment: a variable pitch internal space meshing conical twin-screw compressor includes a protective cover 1, a twin-screw compressor body 2, a ventilation component, a support platform 3, a top cover 4, a first sliding component, and a second sliding component; the twin-screw compressor body 2 is arranged on the protective cover 1, the ventilation component is installed on the protective cover 1, the support platform 3 is movably connected inside the protective cover 1, two top covers 4 facing each other are arranged on the top of the protective cover 1, a first sliding component for moving the support platform 3 is arranged inside the protective cover 1, and a second sliding component for opening and closing the top cover 4 is arranged on the protective cover 1. By adding a first sliding component capable of moving the support plate and a second or when component for moving the top cover 4, the installation space for installing the twin-screw compressor is expanded, the difficulty of installing the twin-screw compressor is reduced, and the time of installing the twin-screw compressor is shortened. The ventilation component is responsible for ventilation and heat dissipation to avoid failure of the twin-screw compressor due to high temperature.

[0026] See also Figure 3-4 In the present embodiment, the ventilation assembly includes an exhaust fan 501 and a ventilation window 502; an exhaust fan 501 is installed on the front side of the protective cover 1, and a ventilation window 502 with ventilation grooves on the surface is installed on the rear side of the protective cover 1. The ventilation assembly also includes a dust shield 503; a dust shield 503 with a certain slope from top to bottom is fixedly connected to the ventilation window 502, and the dust shield 503 is located on the front side of the ventilation groove. After the twin-screw compressor is started, the temperature inside the protective cover 1 will be heated, and the high temperature will not prevent the twin-screw compressor from malfunctioning. The air in the protective cover 1 is extracted by the exhaust fan 501, so that the protective cover 1 is in a negative pressure state, and the external air is sucked into the protective cover 1 from the ventilation window 502 to achieve the effect of ventilation and heat dissipation. The dust shield 503 has a certain slope, which can block the debris and dust in the air from the dust shield 503, and the air enters the protective cover 1 along the ventilation groove in the ventilation window 502.

[0027] See also Figure 5-6In this embodiment, a support platform 3 is provided inside the protective cover 1, the twin-screw compressor body 2 is installed on the support platform 3, a No. 1 handle 6 is installed on the support platform 3, two movable doors 7 opposite to each other are connected to the right side of the protective cover 1 through a hinge, a No. 2 handle 8 is installed on the movable door 7, a ladder 9 is installed on the rear side of the protective cover 1, and a No. 1 sliding component includes a No. 1 slide groove 1001 and a No. 1 slider 1002; two No. 1 slide grooves 1001 opposite to each other are opened on the inner bottom plate of the protective cover 1, and a No. 1 slider 1002 is slidably connected in the No. 1 slide groove 1001, and the support platform 3 is installed between the two No. 1 sliders 1002, and the No. 2 sliding component includes a No. 2 slide groove 1101 and a No. 2 slider 1102; a No. 2 slide groove 1101 is opened at the top of the protective cover 1 Slide 1101, slide No. 2 1101 is fixedly connected with slide No. 2 1102, top cover 4 is installed on slide No. 2 1102, support platform 3 can be conveniently pulled out or pushed back by handle No. 1 6, movable door 7 can be opened by handle No. 2 8, and staff can climb into protective cover 1 by ladder 9, and then connect the lines of twin-screw compressor from above, and support platform 3 can be changed to move in protective cover 1 by slide No. 1 1002 moving in slide No. 1 1001, and support platform 3 can be moved to the outside of protective cover 1 to facilitate installation of twin-screw compressor, and two top covers 4 can be moved in opposite directions by slide No. 2 1102 moving in slide No. 2 1101, so as to expose the scene in protective cover 1 to the outside, and facilitate installation of lines.

[0028] When working, the worker first holds the No. 2 handle 8 to open the movable door 7, then holds the No. 1 handle 6 to pull the support flat box outward, slides the No. 1 slider 1002 in the No. 1 slide groove 1001 to pull the support platform 3 outward of the protective cover 1, installs the twin-screw compressor body 2 on the support platform 3, then pushes the support platform 3 back, and then closes the movable door 7;

[0029] The staff walks to the back side of the protective cover 1, climbs up the protective cover 1 from the ladder 9, and then opens the two door covers from both sides. The second slider 1102 slides in the second slide groove 1101 to move the two door covers away, exposing the inside of the protective cover 1, and then installs the internal wiring. After the installation is completed, the door covers are closed;

[0030] When using a twin-screw compressor, turn on the exhaust fan 501 to extract the hot air in the protective cover 1, so that a negative pressure state is formed inside the protective cover 1, and the outside air enters the protective cover 1 through the ventilation window 502. The dustproof plate blocks the dust and impurities in the air outside, and then the air enters the protective cover 1 from the ventilation slot, which plays a role in heat dissipation and prevents the twin-screw compressor from malfunctioning due to high temperature.

[0031] Through the above steps, sliding assembly No. 1 and sliding assembly No. 2 are installed on the protective cover 1 of the existing twin-screw compressor. Sliding assembly No. 1 can move the supporting platform 3 for installing the twin-screw compressor body 2, and move the supporting platform 3 to the outside of the protective cover 1. The wide installation environment can reduce the difficulty of installing the twin-screw compressor body 2. After the installation is completed, the supporting platform 3 and the twin-screw compressor are moved into the protective cover 1 together through the sliding assembly No. 1. The sliding assembly No. 2 can change the switching relationship of the top cover 4. By opening the top cover 4, the ladder 9 fixedly connected to the protective cover 1 is used to facilitate the staff to climb up the protective cover 1 to connect the internal lines. After the line connection is completed, the top cover 4 is closed to reduce the difficulty of installation, so as to solve the problem that the existing twin-screw compressor is difficult to install in the protective cover 1 and requires a lot of time.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A variable pitch internal space meshing conical twin-screw compressor, comprising a protective cover (1) and a twin-screw compressor body (2); characterized in that: The invention also comprises a ventilation component, a support platform (3), a top cover (4), a first sliding component and a second sliding component; a twin-screw compressor body (2) is arranged on the protective cover (1), a ventilation component is installed on the protective cover (1), a support platform (3) is movably connected inside the protective cover (1), two top covers (4) facing each other are arranged at the top of the protective cover (1), a first sliding component for moving the support platform (3) is arranged inside the protective cover (1), and a second sliding component for opening and closing the top cover (4) is arranged on the protective cover (1).

2. The variable pitch internal space meshing conical twin-screw compressor according to claim 1, characterized in that: The ventilation assembly comprises an exhaust fan (501) and a ventilation window (502); the exhaust fan (501) is installed on the front side of the protective cover (1), and the ventilation window (502) with ventilation slots on the surface is installed on the rear side of the protective cover (1).

3. The variable pitch internal space meshing conical twin-screw compressor according to claim 2, characterized in that: The ventilation assembly also includes a dust shield (503); the dust shield (503) is fixedly connected to the ventilation window (502) and has a certain slope from top to bottom, and the dust shield (503) is located at the front side of the ventilation slot.

4. The variable pitch internal space meshing conical twin-screw compressor according to claim 1, characterized in that: A support platform (3) is arranged inside the protective cover (1), the twin-screw compressor body (2) is mounted on the support platform (3), and a handle (6) is mounted on the support platform (3).

5. The variable pitch internal space meshing conical twin-screw compressor according to claim 1, characterized in that: The right side of the protective cover (1) is connected to two movable doors (7) which are opposite to each other in front and back through a hinge, a second handle (8) is installed on the movable door (7), and a ladder (9) is installed on the rear side of the protective cover (1).

6. The variable pitch internal space meshing conical twin-screw compressor according to claim 1, characterized in that: The No. 1 sliding assembly comprises a No. 1 sliding groove (1001) and a No. 1 sliding block (1002); two No. 1 sliding grooves (1001) facing each other front and back are provided on the inner bottom plate of the protective cover (1); the No. 1 sliding groove (1001) is slidably connected with the No. 1 sliding block (1002); and the supporting platform (3) is installed between the two No. 1 sliding blocks (1002).

7. The variable pitch internal space meshing conical twin-screw compressor according to claim 1, characterized in that: The second sliding assembly comprises a second sliding groove (1101) and a second sliding block (1102); the top of the protective cover (1) is provided with a second sliding groove (1101), the second sliding block (1102) is fixedly connected in the second sliding groove (1101), and the top cover (4) is installed on the second sliding block (1102).

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