Centrifugal cooling-water machine convenient to install
By designing a centrifugal chiller that is easy to install, and fixing the chiller with guide columns and oil circuit systems, the problem of high installation difficulty in the existing technology is solved, and the convenient installation and maintenance of the chiller is achieved, and transportation and installation costs are reduced.
Patent Information
- Application Number
- CN202421190084.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-29
AI Technical Summary
Due to the large volume and complex structure of the existing centrifugal chillers, it is difficult to install, complex transportation, and inconvenient maintenance, which increases the cost and construction difficulty.
A centrifugal chiller is designed for easy installation. The chiller body is lifted through the crane, and the chiller is fixed using guide columns, guide cylinders, hydraulic housings and oil circuit systems to avoid offset or tilt, and through support plates and installation Components simplify the installation process.
It realizes convenient installation and mobilization of chillers, reduces transportation and installation costs, and improves the installation convenience and maintenance efficiency of equipment.
Smart Images

Figure CN222352570U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of centrifugal water chillers, in particular to a centrifugal water chiller which is easy to install. Background Art
[0002] Centrifugal chillers are widely used in large commercial and industrial refrigeration systems. They use centrifugal force to compress the refrigerant to achieve the cooling effect.
[0003] In recent years, centrifugal chillers, as core components of high-efficiency refrigeration systems, have played a vital role in the field of industrial and commercial refrigeration. However, the design of centrifugal chillers in existing technologies generally faces a significant challenge, namely, their large size and weight. These devices integrate large compressors, multi-stage heat exchange systems, and complex piping structures, making it difficult to reduce the overall size, which brings many inconveniences to actual installation and deployment:
[0004] Space occupation problem: Traditional centrifugal chillers are large in size and require a lot of space, which not only limits the choice of installation location, but also makes them difficult to integrate in a space-constrained environment, increasing construction costs and layout difficulty.
[0005] Transportation and lifting problems: Due to the unconventional size of the equipment, its transportation and on-site lifting operations are complicated, often requiring special transportation tools and heavy lifting equipment, which not only increases logistics costs, but may also be limited by physical conditions such as the size of roads and building entrances.
[0006] Increased installation complexity: The installation process of large chillers is cumbersome and requires precise positioning, stable support structures, and complex pipe connections, which places higher demands on construction technology and time management.
[0007] Inconvenient maintenance and upgrades: The limited internal maintenance channels of large equipment make daily maintenance and possible future upgrades difficult and costly, affecting the long-term operation and maintenance efficiency of the equipment.
[0008] In view of the above problems, there is an urgent need for a new centrifugal chiller design that can maintain or improve refrigeration efficiency while improving installation convenience, reducing transportation and installation costs, and meeting the market demand for efficient and compact refrigeration solutions.
[0009] Therefore, the present invention aims to overcome the limitations of existing centrifugal chillers in installation and application through technological innovation and promote the advancement of refrigeration technology.
[0010] Therefore, how to provide a centrifugal chiller that is easy to install is a problem that those skilled in the art urgently need to solve. Utility Model Content
[0011] One purpose of the utility model is to provide a centrifugal chiller that is easy to install. The utility model is easy to install and mobilize the centrifugal chiller. The centrifugal chiller body is lifted by a crane, and the guide column is introduced into the guide cylinder. The guide column presses the piston downward, and the hydraulic oil in the hydraulic housing is squeezed and enters the first oil circuit, the second oil circuit and the third oil circuit. The sealing column is squeezed out of the piston by the hydraulic oil in the second oil circuit and the third oil circuit. The sealing column drives the clamping head to enter the clamping hole in the guide column to fix the centrifugal chiller body to prevent the centrifugal chiller body from being offset or tilted.
[0012] According to an embodiment of the utility model, a centrifugal chiller that is easy to install includes a centrifugal chiller body, a support plate, a mounting assembly and a mounting plate, wherein the top of the support plate is fixedly mounted on the bottom of the centrifugal chiller body, the top of the mounting assembly is fixedly mounted on the bottom of the support plate, and the bottom of the mounting assembly is fixedly mounted on the bottom of the mounting plate.
[0013] Furthermore, the centrifugal chiller body includes a mounting bracket, an evaporator and a condenser, wherein both ends of the evaporator are fixedly mounted on the mounting bracket, and both ends of the condenser are fixedly mounted on the mounting bracket.
[0014] Furthermore, the centrifugal chiller body also includes a motor, a compressor, an exhaust pipe, an intake pipe, a frequency conversion cabinet and a control cabinet, wherein the base of the motor is fixedly mounted on the top of the mounting bracket, the bottom of the compressor is fixedly mounted on the top of the mounting bracket, one end of the exhaust pipe is fixedly mounted on the compressor, the other end of the exhaust pipe is fixedly mounted on the condenser, one end of the intake pipe is fixedly mounted on the compressor, the other end of the intake pipe is fixedly mounted on the evaporator, the bottom of the frequency conversion cabinet is fixedly mounted on the top of the mounting bracket, and the bottom of the control cabinet is fixedly mounted on the top of the mounting bracket.
[0015] Furthermore, the mounting assembly includes a guide column, a guide groove and a clamping hole, wherein the top of the guide column is fixedly mounted on the bottom of the support plate, the guide groove is provided at the bottom of the guide column, and the clamping hole is provided on the inner wall of the guide groove.
[0016] Furthermore, the mounting assembly also includes a guide cylinder, a hydraulic housing and a piston, wherein the bottom of the guide cylinder is fixedly mounted on the top of the hydraulic housing, the bottom of the hydraulic housing is fixedly mounted on the top of the mounting plate, and the bottom of the piston is vertically slidably mounted in the inner cavity of the hydraulic housing.
[0017] Furthermore, the mounting assembly also includes a limit frame, a return spring, a first oil circuit, a second oil circuit and a third oil circuit, wherein the bottom of the limit frame is fixedly mounted on the inner bottom of the hydraulic housing, the bottom of the return spring is fixedly mounted on the inner bottom of the hydraulic housing, the top of the return spring is fixedly mounted on one end of the piston embedded in the hydraulic housing, the first oil circuit is opened at the bottom of the piston, the second oil circuit is opened on the inner wall of the first oil circuit, and the third oil circuit is opened on the inner wall of the first oil circuit.
[0018] Furthermore, the installation assembly also includes an elastic spring, a sealing column and a clamp, wherein the elastic spring is installed in the second oil circuit, the elastic spring is installed in the third oil circuit, the sealing column is slidably installed in the second oil circuit, the sealing column is slidably installed in the third oil circuit, one end of the sealing column is fixedly installed on both ends of the elastic spring, one end of the clamp is fixedly installed on the other end of the sealing column, and the clamp is located in the clamp hole.
[0019] Furthermore, a threaded connection hole is provided on the outer surface of the mounting plate.
[0020] The beneficial effects of the utility model are:
[0021] The utility model is convenient for installing and mobilizing a centrifugal chiller. The centrifugal chiller body is lifted by a crane, and a guide column is introduced into a guide cylinder. The guide column presses down a piston to move downward, and the hydraulic oil in the hydraulic housing is squeezed to enter the first oil circuit, the second oil circuit and the third oil circuit. The sealing column is squeezed toward the outside of the piston by the hydraulic oil in the second oil circuit and the third oil circuit, and the sealing column drives a clamping head to enter a clamping hole in the guide column to fix the centrifugal chiller body, thereby preventing the centrifugal chiller body from being offset or tilted. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0023] Figure 1 This is a schematic diagram of the overall structure of a centrifugal chiller that is easy to install from a first perspective proposed by the utility model;
[0024] Figure 2 A second perspective overall structural diagram of a centrifugal chiller that is easy to install proposed by the utility model;
[0025] Figure 3 The utility model is a cross-sectional view of an installation assembly of a centrifugal chiller which is easy to install.
[0026] In the figure: 1. Centrifugal chiller body; 1.1. Mounting bracket; 1.2. Evaporator; 1.3. Condenser; 1.4. Motor; 1.5. Compressor; 1.6. Exhaust pipe; 1.7. Intake pipe; 1.8. Frequency converter cabinet; 1.9. Control cabinet; 2. Support plate; 3. Mounting assembly; 3.1. Guide column; 3.2. Guide groove; 3.3. Clamp hole; 3.4. Guide cylinder; 3.5. Hydraulic housing; 3.6. Piston; 3.7. Limiting frame; 3.8. Reset spring; 3.9. First oil circuit; 3.10. Second oil circuit; 3.11. Third oil circuit; 3.12. Elastic spring; 3.13. Sealing column; 3.14. Clamp head; 4. Mounting plate; 4.1. Threaded connection hole. DETAILED DESCRIPTION
[0027] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0028] Please refer to Figures 1 to 3 The utility model provides a centrifugal chiller that is easy to install, including a centrifugal chiller body 1, a support plate 2, a mounting assembly 3 and a mounting plate 4, wherein the top of the support plate 2 is fixedly mounted on the bottom of the centrifugal chiller body 1, the top of the mounting assembly 3 is fixedly mounted on the bottom of the support plate 2, the bottom of the mounting assembly 3 is fixedly mounted on the bottom of the mounting plate 4, and a threaded connection hole 4.1 is opened on the outer surface of the mounting plate 4. The mounting plate 4 can be placed on the ground and fixedly connected to the ground with bolts through the threaded connection hole 4.1.
[0029] Specifically, the centrifugal chiller body 1 includes a mounting bracket 1.1, an evaporator 1.2 and a condenser 1.3, wherein both ends of the evaporator 1.2 are fixedly mounted on the mounting bracket 1.1, and both ends of the condenser 1.3 are fixedly mounted on the mounting bracket 1.1. The centrifugal chiller body 1 also includes a motor 1.4, a compressor 1.5, an exhaust pipe 1.6, an intake pipe 1.7, a frequency conversion cabinet 1.8 and a control cabinet 1.9, wherein the base of the motor 1.4 is fixedly mounted on the top of the mounting bracket 1.1, the bottom of the compressor 1.5 is fixedly mounted on the top of the mounting bracket 1.1, one end of the exhaust pipe 1.6 is fixedly mounted on the compressor 1.5, and the other end of the exhaust pipe 1.6 is fixedly mounted on the condenser 1.3, one end of the intake pipe 1.7 is fixedly mounted on the compressor 1.5, and the other end of the intake pipe 1.7 is fixedly mounted on the evaporator 1.2, the bottom of the frequency conversion cabinet 1.8 is fixedly mounted on the top of the mounting bracket 1.1, and the bottom of the control cabinet 1.9 is fixedly mounted on the top of the mounting bracket 1.1.
[0030] More specifically, the mounting assembly 3 includes a guide column 3.1, a guide groove 3.2 and a clamping hole 3.3, wherein the top of the guide column 3.1 is fixedly mounted on the bottom of the support plate 2, the guide groove 3.2 is provided at the bottom of the guide column 3.1, and the clamping hole 3.3 is provided on the inner wall of the guide groove 3.2.
[0031] The mounting assembly 3 further comprises a guide cylinder 3.4, a hydraulic housing 3.5 and a piston 3.6, wherein the bottom of the guide cylinder 3.4 is fixedly mounted on the top of the hydraulic housing 3.5, the bottom of the hydraulic housing 3.5 is fixedly mounted on the top of the mounting plate 4, the hydraulic housing 3.5 and the piston 3.6 form a sealed space in which hydraulic oil is stored, and the bottom of the piston 3.6 is vertically slidably mounted in the inner cavity of the hydraulic housing 3.5.
[0032] The mounting assembly 3 further comprises a limiting frame 3.7, a return spring 3.8, a first oil circuit 3.9, a second oil circuit 3.10 and a third oil circuit 3.11, wherein the bottom of the limiting frame 3.7 is fixedly mounted on the inner bottom of the hydraulic housing 3.5, the limiting frame 3.7 limits the displacement of the piston 3.6 and supports the piston 3.6, the bottom of the return spring 3.8 is fixedly mounted on the inner bottom of the hydraulic housing 3.5, the return spring 3.8 can be reset after the force applied to the piston 3.6 is removed, the top of the return spring 3.8 is fixedly mounted on one end of the piston 3.6 embedded in the hydraulic housing 3.5, the first oil circuit 3.9 is opened at the bottom of the piston 3.6, the second oil circuit 3.10 is opened on the inner wall of the first oil circuit 3.9, and the third oil circuit 3.11 is opened on the inner wall of the first oil circuit 3.9.
[0033] The mounting assembly 3 further comprises an elastic spring 3.12, a sealing column 3.13 and a clamping head 3.14, wherein the elastic spring 3.12 is mounted in the second oil circuit 3.10, the elastic spring 3.12 is mounted in the third oil circuit 3.11, the sealing column 3.13 is slidably mounted in the second oil circuit 3.10, the sealing column 3.13 is slidably mounted in the third oil circuit 3.11, one end of the sealing column 3.13 is fixedly mounted on both ends of the elastic spring 3.12, one end of the clamping head 3.14 is fixedly mounted on the other end of the sealing column 3.13, and the clamping head 3.14 is located in the clamping hole 3.3, and the elastic spring 3.12 elastically supports the sealing column 3.13 and the clamping head 3.14.
[0034] Specifically, the mounting plate 4 can be placed on the ground and fixed to the ground with bolts through the threaded connection holes 4.1. The guide cylinder 3.4 and the hydraulic housing 3.5 are fixedly mounted on the mounting plate 4, and the top of the guide column 3.1 is fixedly mounted on the bottom of the support plate 2.
[0035] The centrifugal chiller body 1 is lifted by a crane, and the guide column 3.1 is introduced into the guide cylinder 3.4. The weight of the centrifugal chiller body 1 is applied to the piston 3.6 in the guide cylinder 3.4. The piston 3.6 is subjected to a force, and the piston 3.6 moves downward, the return spring 3.8 is compressed, and the hydraulic housing 3.5 and the piston 3.6 form a sealed space, and the hydraulic oil stored in the space is squeezed, and the hydraulic oil enters the first oil circuit 3.9, the second oil circuit 3.10 and the third oil circuit 3.11, and the sealing column 3.13 is slidably installed. In the second oil circuit 3.10 and the third oil circuit 3.11, the sealing column 3.13 is squeezed outwardly toward the piston 3.6 by the hydraulic oil in the second oil circuit 3.10 and the third oil circuit 3.11, and the sealing column 3.13 drives the clamping head 3.14, and the clamping head 3.14 enters the clamping hole 3.3 in the guide column 3.1, and the sealing column 3.13 stretches the elastic spring 3.12 to fix the centrifugal chiller body 1 to prevent the centrifugal chiller body 1 from deflecting or tilting.
[0036] When moving the centrifugal chiller body 1, directly lift the centrifugal chiller body 1, the guide column 3.1 gradually lifts the piston 3.6, no longer acts on the piston 3.6, the reset spring 3.8 resets the piston 3.6, the sealing space formed by the hydraulic housing 3.5 and the piston 3.6 gradually becomes larger, the hydraulic oil in the first oil circuit 3.9, the second oil circuit 3.10 and the third oil circuit 3.11 flows back into the sealing space formed by the hydraulic housing 3.5 and the piston 3.6, the elastic spring 3.12 resets the sealing column 3.13, the sealing column 3.13 pulls back the clamping head 3.14, the clamping head 3.14 is separated from the clamping hole 3.3, and no longer constrains the guide column 3.1.
[0037] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.
Claims
1. A centrifugal chiller that is easy to install, characterized in that: The centrifugal chiller comprises a centrifugal chiller body (1), a support plate (2), a mounting assembly (3) and a mounting plate (4), wherein the top of the support plate (2) is fixedly mounted on the bottom of the centrifugal chiller body (1), the top of the mounting assembly (3) is fixedly mounted on the bottom of the support plate (2), and the bottom of the mounting assembly (3) is fixedly mounted on the bottom of the mounting plate (4).
2. A centrifugal chiller that is easy to install according to claim 1, characterized in that: The centrifugal chiller body (1) comprises a mounting bracket (1.1), an evaporator (1.2) and a condenser (1.3), wherein both ends of the evaporator (1.2) are fixedly mounted on the mounting bracket (1.1), and both ends of the condenser (1.3) are fixedly mounted on the mounting bracket (1.1).
3. A centrifugal chiller that is easy to install according to claim 2, characterized in that: The centrifugal chiller body (1) also includes a motor (1.4), a compressor (1.5), an exhaust pipe (1.6), an intake pipe (1.7), a frequency conversion cabinet (1.8) and a control cabinet (1.9), wherein the base of the motor (1.4) is fixedly mounted on the top of the mounting bracket (1.1), the bottom of the compressor (1.5) is fixedly mounted on the top of the mounting bracket (1.1), one end of the exhaust pipe (1.6) is fixedly mounted on the compressor (1.5), the other end of the exhaust pipe (1.6) is fixedly mounted on the condenser (1.3), one end of the intake pipe (1.7) is fixedly mounted on the compressor (1.5), the other end of the intake pipe (1.7) is fixedly mounted on the evaporator (1.2), the bottom of the frequency conversion cabinet (1.8) is fixedly mounted on the top of the mounting bracket (1.1), and the bottom of the control cabinet (1.9) is fixedly mounted on the top of the mounting bracket (1.1).
4. The centrifugal chiller that is easy to install according to claim 1, characterized in that: The mounting assembly (3) comprises a guide column (3.1), a guide groove (3.2) and a clamping hole (3.3), wherein the top of the guide column (3.1) is fixedly mounted on the bottom of the support plate (2), the guide groove (3.2) is provided at the bottom of the guide column (3.1), and the clamping hole (3.3) is provided on the inner wall of the guide groove (3.2).
5. The centrifugal chiller that is easy to install according to claim 4, characterized in that: The mounting assembly (3) further comprises a guide cylinder (3.4), a hydraulic housing (3.5) and a piston (3.6), wherein the bottom of the guide cylinder (3.4) is fixedly mounted on the top of the hydraulic housing (3.5), the bottom of the hydraulic housing (3.5) is fixedly mounted on the top of the mounting plate (4), and the bottom of the piston (3.6) is vertically slidably mounted in the inner cavity of the hydraulic housing (3.5).
6. The centrifugal chiller that is easy to install according to claim 5, characterized in that: The mounting assembly (3) further comprises a limit frame (3.7), a return spring (3.8), a first oil circuit (3.9), a second oil circuit (3.10) and a third oil circuit (3.11), wherein the bottom of the limit frame (3.7) is fixedly mounted on the inner bottom of the hydraulic housing (3.5), the bottom of the return spring (3.8) is fixedly mounted on the inner bottom of the hydraulic housing (3.5), the top of the return spring (3.8) is fixedly mounted on one end of the piston (3.6) embedded in the hydraulic housing (3.5), the first oil circuit (3.9) is opened at the bottom of the piston (3.6), the second oil circuit (3.10) is opened on the inner wall of the first oil circuit (3.9), and the third oil circuit (3.11) is opened on the inner wall of the first oil circuit (3.9).
7. The centrifugal chiller that is easy to install according to claim 6, characterized in that: The mounting assembly (3) further comprises an elastic spring (3.12), a sealing column (3.13) and a clamping head (3.14), wherein the elastic spring (3.12) is mounted in the second oil circuit (3.10), the elastic spring (3.12) is mounted in the third oil circuit (3.11), the sealing column (3.13) is slidably mounted in the second oil circuit (3.10), the sealing column (3.13) is slidably mounted in the third oil circuit (3.11), one end of the sealing column (3.13) is fixedly mounted on both ends of the elastic spring (3.12), one end of the clamping head (3.14) is fixedly mounted on the other end of the sealing column (3.13), and the clamping head (3.14) is located in the clamping hole (3.3).
8. The centrifugal chiller that is easy to install according to claim 1, characterized in that: The outer surface of the mounting plate (4) is provided with a threaded connection hole (4.1).