Air-cooled screw cooling-water machine
By introducing a movable base plate and casters into the screw chiller, the problem of limited maintenance space for screw compressors is solved, enabling convenient maintenance operations.
Patent Information
- Application Number
- CN202520636229.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-07
AI Technical Summary
The limited maintenance space of existing screw compressors makes it difficult to perform comprehensive maintenance, resulting in inconvenience.
The design incorporates a movable base plate and casters, allowing the screw compressor to be moved out of the frame via caster support and screw adjustment for easy maintenance.
This enables convenient maintenance of screw compressors, improving maintenance efficiency and comprehensiveness.
Smart Images

Figure CN223954410U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cold water machine technical field, especially air -cooled screw water chiller. BACKGROUND
[0002] Air -cooled screw water chiller because its key components, compressor adopts screw -type and is named screw -type water chiller, and the gas refrigerant of the state of the evaporator of unit is by evaporator, after the adiabatic compression of compressor, becomes high temperature high pressure state, and the gas refrigerant after being compressed, in condenser, isocoric cooling condenses, changes into liquid refrigerant after condensing, expands to low pressure again through throttle valve, becomes gas -liquid mixture, wherein the liquid refrigerant under low temperature low pressure, in evaporator, absorbs the heat of cold material, and becomes gaseous refrigerant again, gaseous refrigerant reenters compressor through pipeline, starts new cycle, and this is the four processes of refrigeration cycle, and is also the main working principle of screw -type water chiller.
[0003] The existing screw compressor structure is all fixedly arranged at the top of the rack, when maintaining, the cover plate is directly opened, and then the screw compressor is maintained, but the structure design has the following problems, when maintaining by opening the side cover plate, the external port is relatively narrow, the space is too small during maintenance, and cannot be maintained in place in all directions, so it needs to be improved to provide convenience for the daily maintenance of the screw compressor. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of air -cooled screw water chiller, to solve the problems raised in above background.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] An air -cooled screw water chiller, including rack, fin condenser, condensing fan and screw compressor, the bottom of the rack is movably provided with movable bottom plate, the top of the movable bottom plate is installed with screw compressor, the bottom end of the movable bottom plate is provided with two support arm rods side by side, one end of the support arm rod is movably connected with wheel carrier through guide rod, and the bottom end of the wheel carrier is installed with two universal wheels on both sides.
[0007] Preferably, the top of the rack is provided with fin condenser, and the top of the fin condenser is provided with two condensing fans.
[0008] Preferably, the front end of the movable bottom plate is provided with adjusting groove, the inside of the adjusting groove is provided with screw support plate, and the screw support plate is arranged between the two support arm rods, the end of the screw support plate is movably installed with lead screw two, and the bottom end of the lead screw two is threadedly connected with the middle part of the wheel carrier.
[0009] Preferably, one end of the moving base plate is provided with a horizontal plate, both ends of the horizontal plate are provided with displacement sliding seats, both sides of the bottom of the rack are provided with displacement sliding grooves, and the displacement sliding seats are slidably connected in the displacement sliding grooves.
[0010] Preferably, the side of the rack is provided with a side support plate, a lead screw one is movably arranged in the side support plate, and one end of the lead screw one is threadedly connected with one end of the horizontal plate.
[0011] Preferably, one end of the moving base plate is provided with two limiting plates, a limiting hole is formed in the limiting plate, a side box door is hingedly arranged at the end of the rack, and two locking bolts are threadedly connected to the bottom of the side box door.
[0012] The technical effects and advantages of the utility model are as follows:
[0013] The screw compressor fixing structure at the bottom of the rack is improved, the movable moving base plate is arranged to install the screw compressor, the moving base plate is provided with the sliding support horizontal plate at the front end, the bottom of the moving base plate is provided with two support arm rods, and the height-adjustable universal wheels are movably arranged on the two support arm rods, the moving base plate can be supported by the universal wheels, when the screw compressor in the rack needs to be maintained, the side box door can be opened, the lead screw two in the adjusting groove is rotated, the wheel frame is adjusted by the lead screw two to slide towards the lower part, so that the two universal wheels are in contact with the ground, and then the lead screw one is rotated, so that the horizontal plate is slid by the lead screw one, the moving base plate is pushed forward by the horizontal plate, so that the moving base plate slides towards the outside of the rack, and the bottom end of the moving base plate can be stably supported by the universal wheels during sliding, so that the screw compressor at the top of the moving base plate can be moved out of the rack, and the screw compressor is convenient to maintain. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model.
[0015] Figure 2 It is a structural schematic view of the utility model.
[0016] Figure 3 It is a structural schematic view of the utility model.
[0017] Figure 4 It is a structural schematic view of the utility model.
[0018] As shown in the figure: 1, rack; 2, side box door; 3, locking bolt; 4, fin condenser; 5, condensing fan; 6, moving bottom plate; 7, screw compressor; 8, cross plate; 9, adjusting groove; 10, screw support plate; 11, limiting plate; 12, side support plate; 13, screw rod one; 14, displacement sliding groove; 15, displacement sliding seat; 16, support arm rod; 17, wheel frame; 18, universal wheel; 19, guide rod; 20, screw rod two. DETAILED DESCRIPTION
[0019] 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.
[0020] The utility model provides a kind of air-cooled screw water chiller as Figures 1-4 As shown in the figure: 1, rack; 2, side box door; 3, locking bolt; 4, fin condenser; 5, condensing fan; 6, moving bottom plate; 7, screw compressor; 8, cross plate; 9, adjusting groove; 10, screw support plate; 11, limiting plate; 12, side support plate; 13, screw rod one; 14, displacement sliding groove; 15, displacement sliding seat; 16, support arm rod; 17, wheel frame; 18, universal wheel; 19, guide rod; 20, screw rod two.
[0021] As shown in the figure: 1, rack; 2, side box door; 3, locking bolt; 4, fin condenser; 5, condensing fan; 6, moving bottom plate; 7, screw compressor; 8, cross plate; 9, adjusting groove; 10, screw support plate; 11, limiting plate; 12, side support plate; 13, screw rod one; 14, displacement sliding groove; 15, displacement sliding seat; 16, support arm rod; 17, wheel frame; 18, universal wheel; 19, guide rod; 20, screw rod two. Figure 1 , Figure 2 , Figure 3 And Figure 4 As shown in the figure: 1, rack; 2, side box door; 3, locking bolt; 4, fin condenser; 5, condensing fan; 6, moving bottom plate; 7, screw compressor; 8, cross plate; 9, adjusting groove; 10, screw support plate; 11, limiting plate; 12, side support plate; 13, screw rod one; 14, displacement sliding groove; 15, displacement sliding seat; 16, support arm rod; 17, wheel frame; 18, universal wheel; 19, guide rod; 20, screw rod two.
[0022] As shown in the figure: 1, rack; 2, side box door; 3, locking bolt; 4, fin condenser; 5, condensing fan; 6, moving bottom plate; 7, screw compressor; 8, cross plate; 9, adjusting groove; 10, screw support plate; 11, limiting plate; 12, side support plate; 13, screw rod one; 14, displacement sliding groove; 15, displacement sliding seat; 16, support arm rod; 17, wheel frame; 18, universal wheel; 19, guide rod; 20, screw rod two. Figure 1 , Figure 2 , Figure 3 And Figure 4As shown in the utility model discloses a kind of air-cooled screw water chiller, specifically, the front end of mobile base plate 6 is provided with adjusting groove 9, screw support plate 10 is arranged inside adjusting groove 9, and screw support plate 10 is arranged between two support arm rods 16, screw rod two 20 is movably installed at the end of screw support plate 10, and the bottom end of screw rod two 20 is threadedly connected with the middle position of wheel carrier 17, since the distance of the two support arm rods 16 and other parts fixed thereon of the present application is moved with mobile base plate 6, the distance is greater than the distance of mobile base plate 6 and the bottom support component of rack 1, therefore, rack 1 will not hinder support arm rod 16, and the other parts fixed on support arm rod 16 can slide out of rack 1, and then mobile base plate 6 is stably supported.
[0023] As Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown in the utility model discloses a kind of air-cooled screw water chiller, specifically, one end of mobile base plate 6 is provided with cross plate 8, and the two ends of cross plate 8 are provided with displacement sliding seat 15, and the bottom of rack 1 is provided with displacement sliding groove 14 on both sides, displacement sliding seat 15 is slidably connected inside displacement sliding groove 14, and cross plate 8 is slidably moved.
[0024] As Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown in the utility model discloses a kind of air-cooled screw water chiller, specifically, side position of rack 1 is provided with side support plate 12, and screw rod one 13 is movably arranged inside side support plate 12, and one end of screw rod one 13 is threadedly connected with one end of cross plate 8, screw rod one 13 is existing public structure, cross plate 8 is slid by screw rod one 13, and cross plate 8 pushes mobile base plate 6 forward, so that mobile base plate 6 slides towards the outside of rack 1.
[0025] As Figure 1 , Figure 2 , Figure 3 and Figure 4 Figure 1 Figure 2 Figure 3 Figure 4 As shown in the utility model discloses a kind of air-cooled screw water chiller, specifically, one end of mobile base plate 6 is provided with two limit plates 11, limit hole is formed in the inside of limit plate 11, and side box door 2 is hinged at the end position of rack 1, and two locking bolts 3 are threadedly connected at the bottom position of side box door 2, and positioning hole is arranged at the side of rack 1, one end of locking bolt 3 is threadedly connected in the inside of limit hole, and further threadedly connected in the inside of positioning hole, so that mobile base plate 6 and side box door 2 are synchronously fixed and limited.
[0026] The utility model discloses a working principle: when maintaining screw compressor 7 in the inside of rack 1, rotates two locking bolts 3, removes the locking position of side tank door 2, can open side tank door 2, rotates screw two 20 in the inside of adjusting groove 9, makes the wheel frame 17 of screw two 20 mobilization slide towards lower part, makes two universal wheels 18 of wheel frame 17 bottom contact with ground, and then universal wheel 18 supports moving base plate 6, then rotates screw one 13, and then slide through screw one 13 drive horizontal plate 8, and horizontal plate 8 pushes moving base plate 6 and makes moving base plate 6 slide towards the outside of rack 1, and the bottom end of moving base plate 6 can be stably supported through universal wheel 18 when sliding, so that, can drive screw compressor 7 on the top of moving base plate 6 and remove rack 1, and it is convenient for maintenance personnel to maintain screw compressor 7.
[0027] The contents not described in the specification belong to the prior art known to the person skilled in the art. The specific embodiments described in the text are merely illustrative of the spirit of the utility model. The person skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.
Claims
1. An air-cooled screw water chiller comprising a frame (1), a finned condenser (4), a condensing fan (5) and a screw compressor (7), characterized in that, The bottom of the frame (1) is movably provided with a moving bottom plate (6), the top of the moving bottom plate (6) is provided with a screw compressor (7), the bottom end of the moving bottom plate (6) is provided with two supporting arm rods (16) side by side, one end of the supporting arm rod (16) is movably connected with a wheel frame (17) through a guide rod (19), and the bottom end of the wheel frame (17) is provided with two universal wheels (18) on both sides.
2. The air-cooled screw water chiller according to claim 1, characterized in that, The top of the frame (1) is provided with a fin condenser (4), and the top of the fin condenser (4) is provided with two condensing fans (5).
3. The air-cooled screw water chiller according to claim 1, characterized in that, The front end of the moving bottom plate (6) is provided with an adjusting groove (9), the inside of the adjusting groove (9) is provided with a screw supporting plate (10), the screw supporting plate (10) is arranged between the two supporting arm rods (16), and the end of the screw supporting plate (10) is movably provided with a lead screw (20), and the bottom end of the lead screw (20) is threadedly connected with the middle part of the wheel frame (17).
4. The air-cooled screw water chiller according to claim 1, characterized in that, One end of the moving bottom plate (6) is provided with a cross plate (8), both ends of the cross plate (8) are provided with displacement sliding seats (15), and both sides of the bottom of the frame (1) are provided with displacement sliding grooves (14), and the displacement sliding seat (15) is slidably connected in the inside of the displacement sliding groove (14).
5. The air-cooled screw water chiller according to claim 4, wherein, The side of the frame (1) is provided with a side supporting plate (12), the inside of the side supporting plate (12) is movably provided with a lead screw (13), and one end of the lead screw (13) is threadedly connected with one end of the cross plate (8).
6. The air-cooled screw cold water machine according to claim 1, wherein, One end of the moving bottom plate (6) is provided with two limiting plates (11), the inside of the limiting plate (11) is provided with a limiting hole, the end of the frame (1) is hingedly provided with a side box door (2), and the bottom of the side box door (2) is threadedly connected with two locking bolts (3).