Screw compressor and silencer thereof

Abstract

The utility model discloses a screw compressor and a silencer thereof. The screw compressor comprises a compressor body, the silencer and a position adjusting device, the position adjusting device is connected with the silencing device and can adjust the position of the silencing device, so that a second air inlet of the silencing device can be matched with a first air outlet of a compressor body; the position adjusting device comprises at least one position adjusting mechanism, and each position adjusting mechanism is connected with the silencing device; the position adjusting mechanism comprises a connecting mechanism, a supporting mechanism, a first fixing mechanism, an elastic mechanism, a second fixing mechanism, a sliding inclined pad, a fixed inclined pad and a third fixing mechanism. According to the screw compressor and the silencer thereof provided by the utility model, the installation convenience of the silencer of the compressor can be improved, and the installation stress caused by human factors can be eliminated as much as possible.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of compression equipment relates to a kind of compressor, more particularly to a screw compressor and its silencer. BACKGROUND

[0002] Currently, exhaust silencer widely used by screw compressor usually adopts fixed installation mode;With fixed installation mode, the following defects exist: in the process of compressor set heat operation, thermal expansion will be formed, if assembly gap is not accurate, often there will be greater stress, leading to compressor body deformation, further causing compressor damage, and it brings greater difficulty to equipment installation.

[0003] In addition, another installation mode is to install using vertical spring support;Under this installation mode, due to spring stroke, the support height is higher, and the screw compressor installation height needs to be further raised, which brings inconvenience to the vibration control and maintenance operation of the compressor.

[0004] Therefore, there is an urgent need to design a new screw compressor exhaust silencer support mode to overcome the above-mentioned defects of the existing screw compressor exhaust silencer support. INVENTION CONTENTS

[0005] The utility model provides a kind of screw compressor and its silencer, can improve the convenience of compressor silencer installation, and can eliminate installation stress caused by human factors as far as possible.

[0006] To solve the above technical problems, according to one aspect of the utility model, the following technical scheme is adopted:

[0007] A screw compressor, the screw compressor comprises: a base, a compressor body, a silencer and a position adjusting device;

[0008] The compressor body is provided with a first air inlet and a first exhaust port, and the silencer is provided with a second air inlet and a second exhaust port;The compressor body and the position adjusting device are arranged based on the base;

[0009] The position adjusting device is connected to the silencer and can adjust the position of the silencer, so that the second air inlet of the silencer can cooperate with the first exhaust port of the compressor body.

[0010] The position adjusting device comprises at least one position adjusting mechanism, and each position adjusting mechanism is connected to the silencer;The position adjusting mechanism comprises a connecting mechanism, a supporting mechanism, a first fixing mechanism, an elastic mechanism, a second fixing mechanism, a sliding inclined pad, a fixed inclined pad and a third fixing mechanism.

[0011] The connecting mechanism can be fixed to the supporting mechanism by a first fixing mechanism, the supporting mechanism is arranged on the base, and the fixed inclined pad is fixedly arranged on the base;

[0012] The fixed inclined pad is provided with a first slope, and the sliding inclined pad is provided with a second slope; the second slope of the sliding inclined pad is arranged in cooperation with the first slope of the fixed inclined pad, and the sliding inclined pad can slide along the first slope of the fixed inclined pad;

[0013] One end of the connecting mechanism is provided with a guide mechanism; the sliding inclined pad is provided with a sliding channel for the longitudinal guide mechanism to slide;

[0014] The elastic mechanism is nested in the connecting mechanism, one end of the elastic mechanism is fixed to the second fixing mechanism, and the second end of the elastic mechanism is connected to the supporting mechanism;

[0015] The third fixing mechanism is arranged based on the sliding inclined pad, and the third fixing mechanism is used for fixing the sound attenuation device, so that the sound attenuation device can move along with the movement of the sliding inclined pad.

[0016] As an embodiment of the utility model, the supporting mechanism includes a bottom plate and a supporting plate, the supporting plate is arranged on the bottom plate; the supporting plate is provided with a through hole for the connecting mechanism to pass through;

[0017] The bottom plate is fixedly arranged on the base, and the fixed inclined pad is arranged on the bottom plate; the supporting mechanism further includes a limiting mechanism, and the fixed inclined pad is arranged close to the limiting mechanism.

[0018] As an embodiment of the utility model, the connecting mechanism is a screw rod, the elastic mechanism is a spring, the first fixing mechanism is a fastening nut, and the second fixing mechanism is an adjusting nut; a spring washer is further arranged between the spring and the adjusting nut.

[0019] As an embodiment of the utility model, the longitudinal guide mechanism is a T-shaped slide pin with a T-shaped cross section, and the cross section of the groove is a T shape corresponding to the shape of the T-shaped slide pin, so that the T-shaped slide pin can slide in the groove.

[0020] As an embodiment of the utility model, the third fixing mechanism includes a stud and a nut, and the sound attenuation device is fixed to the position adjusting device by the stud and the nut.

[0021] According to another aspect of the utility model, the following technical scheme is adopted: a sound attenuation device of a screw rod compressor, the sound attenuation device comprises: a sound attenuation device body and a position adjusting device;

[0022] The position adjusting device is connected to the muffling device body and can adjust the position of the muffling device body, so that the air inlet of the muffling device body can be matched with the air outlet of the compressor body.

[0023] The position adjusting device comprises at least one position adjusting mechanism, and each position adjusting mechanism is connected to the muffling device.

[0024] The connecting mechanism can be fixed to the supporting mechanism through the first fixing mechanism, and the supporting mechanism is arranged on the base.

[0025] The fixed inclined pad is provided with a first slope, and the sliding inclined pad is provided with a second slope.

[0026] One end of the connecting mechanism is provided with a guide mechanism, and the sliding inclined pad is provided with a sliding channel for the longitudinal guide mechanism.

[0027] The elastic mechanism is nested in the connecting mechanism, one end of the elastic mechanism is fixed to the second fixing mechanism, and the second end of the elastic mechanism is connected to the supporting mechanism.

[0028] The third fixing mechanism is arranged based on the sliding inclined pad, and the third fixing mechanism is used for fixedly arranging the muffling device body.

[0029] As an embodiment of the utility model, the supporting mechanism comprises a bottom plate and a supporting plate, the supporting plate is arranged on the bottom plate, the supporting plate is provided with a through hole for the connecting mechanism to pass through, the bottom plate is fixedly arranged on the base, and the fixed inclined pad is arranged on the bottom plate.

[0030] As an embodiment of the utility model, the supporting mechanism further comprises a limiting mechanism, and the fixed inclined pad is arranged close to the limiting mechanism.

[0031] As an embodiment of the utility model, the connecting mechanism is a screw rod, the elastic mechanism is a spring, the first fixing mechanism is a fastening nut, the second fixing mechanism is an adjusting nut, and a spring washer is further arranged between the spring and the adjusting nut.

[0032] As an embodiment of the utility model, the longitudinal guide mechanism is a T-shaped sliding pin with a T-shaped cross section, and the cross section of the groove is a T shape corresponding to the shape of the T-shaped sliding pin, so that the T-shaped sliding pin can slide in the groove.

[0033] As an embodiment of the utility model, the third fixing mechanism comprises a stud and a nut, and the sound attenuation device is fixed to the position adjusting device through the stud and the nut.

[0034] The screw compressor and the sound attenuation device provided by the utility model can improve the convenience of installing the sound attenuation device of the compressor and can eliminate installation stress caused by human factors as much as possible. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 FIG. 1 is a structural schematic diagram of a screw compressor according to an embodiment of the utility model.

[0036] Figure 2 FIG. 1 is a structural schematic diagram of a screw compressor according to an embodiment of the utility model.

[0037] Figure 3 FIG. 1 is a structural schematic diagram of a screw compressor according to an embodiment of the utility model.

[0038] Figure 4 FIG. 1 is a structural schematic diagram of a screw compressor according to an embodiment of the utility model. DETAILED DESCRIPTION

[0039] The preferred embodiments of the utility model will be described in detail below with reference to the drawings.

[0040] In order to further understand the utility model, the preferred embodiments of the utility model will be described below in combination with examples, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, and are not limitations on the claims of the utility model.

[0041] The description of this part is only for several typical embodiments, and the utility model is not limited to the range described in the embodiments. The same or similar prior art means and some technical features in the embodiments are replaced with each other, which is also within the description and protection range of the utility model.

[0042] In the specification, "connection" includes direct connection and indirect connection.

[0043] The utility model discloses a screw compressor, Figures 1 to 4 FIG. 1 is a structural schematic diagram of a screw compressor according to an embodiment of the utility model; please refer to Figures 1 to 4 The screw compressor comprises a base 1, a compressor body 4, a sound attenuation device 3 and a position adjusting device 2. The compressor body 4 is provided with a first air inlet and a first air outlet, and the sound attenuation device 3 is provided with a second air inlet and a second air outlet. The compressor body 4 and the position adjusting device 2 are arranged based on the base 1.

[0044] The position adjusting device 2 is connected to the muffling device 3, and can adjust the position of the muffling device 3, so that the second air inlet of the muffling device 3 can be matched with the first air outlet of the compressor body 4.

[0045] The position adjusting device 2 comprises at least one position adjusting mechanism, and each position adjusting mechanism is connected to the muffling device; the position adjusting mechanism comprises a connecting mechanism 202, a supporting mechanism 201, a first fixing mechanism 203, an elastic mechanism 204, a second fixing mechanism 206, a sliding inclined pad 208, a fixed inclined pad 209, and a third fixing mechanism.

[0046] The connecting mechanism 202 can be fixed to the supporting mechanism 201 through the first fixing mechanism 203, the supporting mechanism 201 is arranged on the base 1, and the fixed inclined pad 209 is fixedly arranged on the base 1. The fixed inclined pad 209 is provided with a first slope, and the sliding inclined pad 208 is provided with a second slope; the second slope of the sliding inclined pad 208 is arranged in cooperation with the first slope of the fixed inclined pad 209, and the sliding inclined pad 208 can slide along the first slope of the fixed inclined pad 209. One end of the connecting mechanism 202 is provided with a longitudinal guide mechanism 207 (for example, a T-shaped sliding pin); the sliding inclined pad 208 is provided with a groove arranged longitudinally, which is used as a longitudinal sliding channel of the longitudinal guide mechanism (of course, the sliding channel can also adopt other forms); the cross section of the groove can be a T-shaped groove corresponding to the shape of the T-shaped sliding pin, so that the T-shaped sliding pin can slide in the groove. The elastic mechanism 204 is nested in the connecting mechanism 202, the first end of the elastic mechanism 204 is fixed to the second fixing mechanism 206, and the second end of the elastic mechanism 204 is connected to the supporting mechanism 201. The third fixing mechanism 211 is arranged based on the sliding inclined pad 208, and is used to fixedly arrange the muffling device 3, so that the muffling device 3 can move along with the movement of the sliding inclined pad 208.

[0047] In an embodiment of the utility model, the connecting mechanism 202 can be a screw rod, and can be fixed to the support mechanism 201 through a first fixing mechanism 203. The support mechanism 201 can include a bottom plate (the bottom plate can be fixedly arranged on the base 1), and a sliding inclined pad 208 and a fixed inclined pad 209 are arranged on the bottom plate; a limiting mechanism is arranged on the first side of the bottom plate, and the fixed inclined pad 209 can be fixed to the bottom plate (that is, the fixed inclined pad 209 can be fixedly arranged on the base through the bottom plate). A support plate is arranged on the second side of the bottom plate, the support plate is provided with a through hole for the screw rod to pass through, thereby supporting the screw rod. The first fixing mechanism 203 can be a locking nut, the elastic mechanism 204 can be a spring, the second fixing mechanism 206 can be an adjusting nut, and a spring washer 205 can be further arranged between the spring and a spring nut. The third fixing mechanism includes a stud 210 and a nut 211, and the sound attenuation device 3 is fixed to the position adjusting device 2 through the stud 210 and the nut 211.

[0048] The utility model further discloses a kind of sound attenuation devices of screw compressor, the sound attenuation device includes: sound attenuation device body and position adjusting device;The position adjusting device connects the sound attenuation device body, the position of the sound attenuation device body can be adjusted, to make the air inlet of the sound attenuation device body can cooperate with the exhaust port of compressor body. The specific structure of the position adjusting device can refer to the above description.

[0049] In a use scene of the utility model, the screw compressor exhaust sound attenuator transverse adjustable spring support is welded or bolted on the base, four sets of support are fixed on the exhaust sound attenuator saddle bottom, wherein two close to the sound attenuator air inlet are placed in the diameter direction of sound attenuator cylinder, and the side close to the sound attenuator exhaust port is placed in the axial direction of sound attenuator cylinder. Screw compressor exhaust port and exhaust sound attenuator air inlet are connected using flange. Radial waist hole is opened on the saddle close to the sound attenuator air inlet, and axial waist hole is opened on the saddle close to the sound attenuator exhaust port.

[0050] The spring support includes: bottom plate, screw rod, locking nut, spring, spring washer, adjusting nut, T-shaped sliding pin, sliding inclined pad iron, fixed inclined pad iron, stud, nut. When using, first place the spring support in the base position and orientation corresponding to sound attenuator mounting hole, then place the sound attenuator on the spring support, change spring stroke by adjusting nut moving on screw rod, and then change spring force, drive sliding inclined pad iron to move by T-shaped sliding pin, so that the sound attenuator moves along the height direction. Concave groove is arranged in the middle of fixed inclined pad iron, and convex is arranged in the middle of sliding inclined pad iron, and fixed inclined pad iron and sliding inclined pad iron form positioning in the vertical direction of spring by relying on concave-convex structure.

[0051] In conclusion, the screw compressor and the sound elimination device thereof can improve the convenience of the installation of the sound elimination device of the compressor and can eliminate the installation stress caused by human factors as much as possible.

[0052] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not contradict, it should be considered that they are within the scope of the present disclosure.

[0053] The description and application of the present application are illustrative, and the scope of the present application is not limited in the above-described embodiments. The effects or advantages involved in the embodiments can not be embodied in the embodiments due to various factors, and the description of the effects or advantages is not used to limit the embodiments. The variations and changes of the disclosed embodiments are possible, and the alternatives and equivalent components of the embodiments are known to those skilled in the art. It should be clear to those skilled in the art that the present application can be realized in other forms, structures, arrangements, proportions, and with other components, materials and parts without departing from the spirit or essential characteristics of the present application. Other variations and changes of the disclosed embodiments can be made without departing from the scope and spirit of the present application.

Claims

1. A screw compressor, characterized in that The screw compressor comprises a compressor body, a silencing device and a position adjusting device; The compressor body is provided with a first air inlet and a first air outlet, and the silencing device is provided with a second air inlet and a second air outlet; The position adjusting device is connected to the silencing device and can adjust the position of the silencing device, so that the second air inlet of the silencing device can be matched with the first air outlet of the compressor body; The position adjusting device comprises at least one position adjusting mechanism, and each position adjusting mechanism is connected to the silencing device; the position adjusting mechanism comprises a connecting mechanism, a supporting mechanism, a first fixing mechanism, an elastic mechanism, a second fixing mechanism, a sliding inclined pad, a fixed inclined pad and a third fixing mechanism; The connecting mechanism can be fixed to the supporting mechanism through the first fixing mechanism, and the supporting mechanism and the fixed inclined pad are fixedly arranged; The fixed inclined pad is provided with a first slope, and the sliding inclined pad is provided with a second slope; the second slope of the sliding inclined pad is matched with the first slope of the fixed inclined pad, and the sliding inclined pad can slide along the first slope of the fixed inclined pad; One end of the connecting mechanism is provided with a guide mechanism; the sliding inclined pad is provided with a sliding channel for the guide mechanism to slide; The elastic mechanism is nested in the connecting mechanism, one end of the elastic mechanism is fixed to the second fixing mechanism, and the second end of the elastic mechanism is connected to the supporting mechanism; The third fixing mechanism is arranged based on the sliding inclined pad, and is used for fixing the silencing device, so that the silencing device can move along with the movement of the sliding inclined pad.

2. The screw compressor according to claim 1, wherein: The supporting mechanism comprises a bottom plate and a supporting plate, and the supporting plate is arranged on the bottom plate; the supporting plate is provided with a through hole for the connecting mechanism to pass through; The supporting mechanism and the fixed inclined pad are fixedly arranged on a base; the bottom plate is fixedly arranged on the base, and the fixed inclined pad is arranged on the bottom plate; the supporting mechanism further comprises a limiting mechanism, and the fixed inclined pad is arranged close to the limiting mechanism.

3. The screw compressor according to claim 1, wherein: The connecting mechanism is a screw rod, the elastic mechanism is a spring, the first fixing mechanism is a fastening nut, and the second fixing mechanism is an adjusting nut; a spring washer is further arranged between the spring and the adjusting nut.

4. The screw compressor according to claim 1, wherein: The guide mechanism is a longitudinal guide mechanism, and the longitudinal guide mechanism is a T-shaped slide pin with a T-shaped cross section; the sliding inclined pad is provided with a longitudinal groove with a T-shaped cross section corresponding to the shape of the T-shaped slide pin, so that the T-shaped slide pin can slide in the groove.

5. The screw compressor according to claim 1, wherein: The third fixing mechanism comprises a stud and a nut, and the silencing device is fixed to the position adjusting device through the stud and the nut.

6. A sound damping device for a screw compressor, characterized in that The silencing device comprises a silencing device body and a position adjusting device; The position adjusting device is connected to the silencing device body and can adjust the position of the silencing device body, so that the air inlet of the silencing device body can be matched with the air outlet of the compressor body. The position adjusting device comprises at least one position adjusting mechanism, each of which is connected to the silencing device; the position adjusting mechanism comprises a connecting mechanism, a supporting mechanism, a first fixing mechanism, an elastic mechanism, a second fixing mechanism, a sliding inclined pad, a fixed inclined pad and a third fixing mechanism; The connecting mechanism can be fixed to the supporting mechanism through the first fixing mechanism, and the supporting mechanism and the fixed inclined pad are fixedly arranged; The fixed inclined pad is provided with a first slope, and the sliding inclined pad is provided with a second slope; the second slope of the sliding inclined pad is arranged in cooperation with the first slope of the fixed inclined pad, and the sliding inclined pad can slide along the first slope of the fixed inclined pad; One end of the connecting mechanism is provided with a guide mechanism; the sliding inclined pad is provided with a slide for the guide mechanism to slide; The elastic mechanism is nested in the connecting mechanism, one end of the elastic mechanism is fixed to the second fixing mechanism, and the second end of the elastic mechanism is connected to the supporting mechanism; The third fixing mechanism is arranged based on the sliding inclined pad, and the third fixing mechanism is used to fixedly arrange the silencing device body.

7. The silencing device of the screw compressor according to claim 6, characterized in that: The supporting mechanism comprises a bottom plate and a supporting plate, and the supporting plate is arranged on the bottom plate; the supporting plate is provided with a through hole for the connecting mechanism to pass through; The supporting mechanism and the fixed inclined pad are fixedly arranged on a base; the bottom plate is fixedly arranged on the base, and the fixed inclined pad is arranged on the bottom plate; the supporting mechanism further comprises a limiting mechanism, and the fixed inclined pad is arranged close to the limiting mechanism.

8. The silencing device of the screw compressor according to claim 6, characterized in that: The connecting mechanism is a screw, the elastic mechanism is a spring, the first fixing mechanism is a fastening nut, and the second fixing mechanism is an adjusting nut; a spring washer is further arranged between the spring and the adjusting nut.

9. The silencing device of the screw compressor according to claim 6, characterized in that: The guide mechanism is a longitudinal guide mechanism, and the longitudinal guide mechanism is a T-shaped slide pin with a T-shaped cross section; the sliding inclined pad is provided with a longitudinal groove, and the cross section of the groove is a T-shaped groove corresponding to the shape of the T-shaped slide pin, so that the T-shaped slide pin can slide in the groove.

10. The silencing device of the screw compressor according to claim 6, characterized in that: The third fixing mechanism comprises a stud and a nut, and the silencing device is fixed to the position adjusting device through the stud and the nut.

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