A refrigeration assembly device based on liquid nitrogen cooling cone crusher base bushing

Abstract

The utility model discloses a refrigeration assembly device of conical crusher base bushing based on liquid nitrogen cooling, including base, the closed casing upper end one side intercommunication installation has nitrogen gas exhaust port, and the closed casing side upper end penetrates and inserts and is installed with detection mechanism, the both sides lower extreme fixed connection of closed casing has locking buckle groove, locking lever and locking buckle groove insert and install, and locking lever outer wall sleeve and install has locking nut. This refrigeration assembly device of conical crusher base bushing based on liquid nitrogen cooling can be more even spraying to liquid nitrogen through liquid guide pipe, shower nozzle, shunt pipe, and through sealing washer, positioning buckle groove, positioning buckle block, locking lever, locking nut, locking buckle groove, the closed casing is sealed with base seal cover, forms sealed heat preservation structure, avoids the shell after the nitrogen import to carry out the heat conduction to the outside, causes the loss of energy, and can be real -time detection adjustment through detection mechanism, and the automation is higher, and the use effect is better.

Description

Technical Field

[0001] This utility model relates to the field of base bushing refrigeration assembly technology, specifically a refrigeration assembly device for a cone crusher base bushing based on liquid nitrogen cooling. Background Technology

[0002] As a core crushing equipment in mining, building materials, and other fields, the reliability of the transmission system and key components of the gyratory crusher directly affects production efficiency and equipment lifespan. The core function of this equipment is to crush materials through the squeezing motion between the moving and fixed cones, and the stability of the transmission system is fundamental to achieving this function. Among these components, the steel bushing, as a crucial protective part of the transmission system, is pressed into the frame sleeve at the factory. Its condition and assembly quality directly affect the smoothness of equipment operation. It primarily protects the contact friction between the eccentric sleeve and the base, enduring the friction and impact generated by the high-speed rotation of the eccentric sleeve over long periods. Its condition and assembly quality directly impact the smoothness of equipment operation.

[0003] Existing traditional hot charging processes suffer from energy waste and quality risks, while dry ice cold charging processes suffer from poor cooling uniformity, low operating efficiency, and significant safety risks. Furthermore, mechanical pressure assembly carries risks of structural damage to the base, collapse of fitting precision, and latent failures. Therefore, there is a need for a liquid nitrogen-cooled cone crusher base bushing refrigeration assembly device to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a liquid nitrogen-cooled cone crusher base bushing refrigeration assembly device to solve the problems mentioned in the background art, such as energy waste and quality risks in traditional hot assembly processes, poor cooling uniformity, low operating efficiency and prominent safety risks in dry ice cold assembly processes, and structural damage to the base, collapse of fitting precision and hidden failure risks in mechanical pressure assembly.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a liquid nitrogen-cooled cone crusher base bushing refrigeration assembly device, comprising a base, a closed shell installed on the upper end of the base, an inlet pipe connected to the lower end of one side of the base, a liquid nitrogen pump connected to the other end of the inlet pipe, and a liquid nitrogen tank connected to the other end of the liquid nitrogen pump; rotating seats rotatably installed on the upper ends of both sides of the base, and a locking rod vertically fixed to one side of the rotating seats; a splicing interface inserted into one side of the inner wall of the base, and a liquid guide pipe connected to one end of the splicing interface; the liquid guide pipe inserted into the inner wall of the base, and a diversion pipe connected to the other end of the base; a nozzle connected to the outer side of the diversion pipe; a drain pipe penetrating and connected to the other side of the inner wall of the base; and an installation slot provided on the inner edge of the upper end of the base. A support spring is vertically fixed to one side of the inner wall, and a compression support block is fixedly connected to one end of the support spring. A steel bushing is inserted into the inner wall of the mounting slot. A positioning buckle groove is opened at the upper edge of the base, and a positioning buckle block is inserted into the inner wall of the positioning buckle groove. The upper end of the positioning buckle block is fixedly connected to the closed shell, and a sealing ring is attached to the lower edge of the closed shell. A nitrogen exhaust port is connected to one side of the upper end of the closed shell, and a detection mechanism is inserted through the upper side of the closed shell. One end of the detection mechanism is electrically connected to a PLC controller, and a connecting wire is electrically connected to the lower end of the PLC controller. The other end of the connecting wire is electrically connected to the liquid nitrogen pump. Locking buckle grooves are protruding and fixedly connected to the lower ends of both sides of the closed shell. The locking rod is inserted into the locking buckle groove, and a locking nut is fitted onto the outer wall of the locking rod.

[0006] Preferably, the enclosed housing is installed in a positioning and covering manner with the base through positioning grooves and positioning blocks, and the enclosed housing is installed in a close and sealed manner with the base through sealing rings, and the inner wall of the enclosed housing is made of polystyrene foam.

[0007] Preferably, the inlet tube is connected to the liquid guide tube and the diverter tube by a splicing interface, and the diverter tube is arranged in a ring on the liquid guide tube and has an L-shaped structure. The nozzles are arranged in a fan shape on the side of the diverter tube.

[0008] Preferably, the steel bushing is installed in a clamping and inserting manner with the mounting slot by means of a compression support block and a support spring.

[0009] Preferably, the detection mechanism integrates a pressure sensor and a temperature sensor, and the detection mechanism is vertically protruding from the inner wall of the closed housing. The detection mechanism is electrically connected to the liquid nitrogen pump and the PLC controller via connecting wires.

[0010] Preferably, the locking rod is installed by rotating the seat and locking the slot in a flip-locking engagement, and the locking rod is locked and fixedly connected to the locking slot by locking nut.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the liquid nitrogen-cooled cone crusher base bushing refrigeration assembly device can spray liquid nitrogen more evenly through the liquid guide pipe, nozzle, and diversion pipe, and the sealed shell and base are sealed together by the sealing ring, positioning groove, positioning block, locking rod, locking nut, and locking groove to form a sealed and heat-insulating structure, which avoids the shell conducting heat to the outside after nitrogen is introduced, thus preventing energy loss. Moreover, it can be detected and adjusted in real time by the detection mechanism, which is more automated and has a better effect. Attached Figure Description

[0012] Figure 1 This is a front view of a liquid nitrogen-cooled cone crusher base bushing refrigeration assembly device according to the present invention;

[0013] Figure 2 This is a schematic diagram of the internal structure of a liquid nitrogen-cooled cone crusher base bushing refrigeration assembly device according to the present invention.

[0014] Figure 3 This is a top view of the distribution pipe of a liquid nitrogen-cooled cone crusher base bushing refrigeration assembly device according to the present invention;

[0015] Figure 4 This utility model relates to a cooling assembly device for a cone crusher base bushing based on liquid nitrogen cooling. Figure 2 Enlarged view of point A in the middle;

[0016] Figure 5 This utility model relates to a cooling assembly device for a cone crusher base bushing based on liquid nitrogen cooling. Figure 2 Enlarged view at point B in the middle;

[0017] Figure 6 This utility model relates to a cooling assembly device for a cone crusher base bushing based on liquid nitrogen cooling. Figure 2 Enlarged view of point C.

[0018] In the diagram: 1. Base, 2. Enclosed shell, 3. Inlet pipe, 4. Liquid nitrogen pump, 5. Liquid nitrogen tank, 6. Connecting wire, 7. PLC controller, 8. Steel bushing, 9. Nitrogen outlet, 10. Detection mechanism, 12. Joint, 13. Liquid guide pipe, 14. Liquid drain pipe, 15. Rotating seat, 16. Locking rod, 17. Nozzle, 18. Diverter pipe, 19. Locking nut, 20. Locking groove, 21. Sealing ring, 22. Positioning groove, 23. Positioning block, 24. Compression support block, 25. Mounting slot, 26. Support spring. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-6 This utility model provides a technical solution: a liquid nitrogen-cooled cone crusher base bushing refrigeration assembly device, comprising a base 1, a closed shell 2, an inlet pipe 3, a liquid nitrogen pump 4, a liquid nitrogen tank 5, connecting wires 6, a PLC controller 7, a steel bushing 8, a nitrogen outlet 9, a detection mechanism 10, a splicing interface 12, a liquid guide pipe 13, a drain pipe 14, a rotating seat 15, a locking rod 16, a nozzle 17, a diverter pipe 18, a locking nut 19, a locking groove 20, a sealing ring 21, a positioning groove 22, a positioning block 23, a compression support block 24, a mounting slot 25, and a support spring 26. The base 1 is covered with a closed shell 2, and an inlet pipe 3 is connected to the lower end of one side of the base 1. The other end of the inlet pipe 3 is connected to a liquid nitrogen pump 4, and the other end of the liquid nitrogen pump 4 is connected to a liquid nitrogen tank 5. The closed shell 2 is positioned and covered with the base 1 through positioning grooves 22 and positioning blocks 23, and the closed shell 2 is fitted and sealed with the base 1 through sealing rings 21. The inner wall of the closed shell 2 is made of polystyrene foam plastic, which allows the closed shell 2 to be positioned and sealed and covered, and the inner wall structure of the closed shell 2 is sealed and insulated to prevent energy loss.

[0021] The inlet pipe 3 is connected to the liquid guide pipe 13 and the diversion pipe 18 by a screw-in joint 12. The diversion pipe 18 is arranged in a ring on the liquid guide pipe 13 and has an L-shaped structure. The nozzles 17 are arranged in a fan shape on the side of the diversion pipe 18. This allows the nozzles 17 to spray liquid nitrogen more evenly and cool more uniformly. Rotary seats 15 are rotatably installed on the upper ends of both sides of the base 1. A locking rod 16 is vertically fixed to one side of the rotating seat 15. The locking rod 16 is installed by flipping and snapping with the locking groove 20 through the rotating seat 15. The locking rod 16 is locked and fixed to the locking groove 20 by locking nut 19. This allows the locking rod 16 to be easily and quickly locked with bolts, ensuring stable installation.

[0022] A splicing interface 12 is inserted and installed on one side of the inner wall of the base 1, and a liquid guide tube 13 is connected to one end of the splicing interface 12. The liquid guide tube 13 is inserted and installed on the inner wall of the base 1, and a diversion tube 18 is connected to the other end of the base 1. A nozzle 17 is connected to the outside of the diversion tube 18. A drain tube 14 is installed through the other side of the inner wall of the base 1. An installation slot 25 is opened on the inner edge of the upper end of the base 1. A support spring 26 is vertically fixed to one side of the inner wall of the installation slot 25, and a compression support block 24 is fixedly connected to one end of the support spring 26. A steel bushing 8 is inserted and installed on the inner wall of the installation slot 25. The steel bushing 8 is clamped and inserted into the installation slot 25 through the compression support block 24 and the support spring 26, which makes it easy to adapt and disassemble the steel bushing 8 and ensures stable installation.

[0023] A positioning groove 22 is provided on the upper edge of the base 1, and a positioning block 23 is inserted into the inner wall of the positioning groove 22. The upper end of the positioning block 23 is fixedly connected to the closed shell 2, and a sealing ring 21 is attached to the lower edge of the closed shell 2. A nitrogen exhaust port 9 is connected to one side of the upper end of the closed shell 2, and a detection mechanism 10 is inserted through the upper side of the closed shell 2. The detection mechanism 10 integrates a pressure sensor and a temperature sensor, and the detection mechanism 10 is vertically protruding from the inner wall of the closed shell 2. The detection mechanism 10 is connected to the liquid nitrogen pump 4 and... The PLC controller 7 is electrically connected, which enables the detection mechanism 10 to perform temperature and pressure detection. The PLC controller 7 can also be used to adapt and control the liquid nitrogen pump 4, making it easy to adjust the delivery of liquid nitrogen. One end of the detection mechanism 10 is electrically connected to the PLC controller 7, and the lower end of the PLC controller 7 is electrically connected to the connecting wire 6. The other end of the connecting wire 6 is electrically connected to the liquid nitrogen pump 4. The lower ends of both sides of the enclosed housing 2 are fixedly connected with locking grooves 20. The locking rod 16 is inserted into the locking groove 20 and a locking nut 19 is fitted on the outer wall of the locking rod 16.

[0024] Working principle: When using this liquid nitrogen-cooled cone crusher base bushing refrigeration assembly device, the steel bushing 8 of the device is first installed by pressing and inserting it into the mounting slot 25 through the pressing support block 24 and the support spring 26. Then, the enclosed shell 2 is hoisted onto the base 1, and then positioned and inserted through the positioning buckle slot 22 and the positioning buckle block 23. Then, it is sealed by the sealing ring 21. Next, the locking rod 16 is flipped into the locking buckle slot 20 through the rotating seat 15 and then locked and fixed by the locking nut 19. Next, liquid nitrogen from the liquid nitrogen tank 5 is introduced into the liquid guide pipe 13 by the liquid nitrogen pump 4, and then sprayed annularly onto the steel bushing 8 through the nozzle 17 and the diversion pipe 18 for cooling and shrinkage. Excess liquid nitrogen can be drained and recovered through the drain pipe 14, and the pressure and temperature can be monitored in real time by the detection mechanism 10. The data is then processed and controlled by the PLC controller 7, and the resulting nitrogen gas can be effectively discharged through the nitrogen outlet 9. This is the usage process of a liquid nitrogen-cooled cone crusher base bushing refrigeration assembly device.

[0025] It should be noted that this utility model is a cooling assembly device for a cone crusher base bushing based on liquid nitrogen cooling. All components are standard parts or parts known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. Furthermore, all electrical components mentioned above refer to power components, electrical components, and the matching monitoring computer and power supply connected by wires. The specific connection method should refer to the working principle described above, where the electrical connection between each electrical component is completed in sequence. The detailed connection method is a well-known technology in the field.

[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A cooling assembly device for a cone crusher base bushing based on liquid nitrogen cooling, comprising a base (1), wherein a closed shell (2) is fitted over the upper end of the base (1), and an inlet pipe (3) is connected to the lower end of one side of the base (1), a liquid nitrogen pump (4) is connected to the other end of the inlet pipe (3), and a liquid nitrogen tank (5) is connected to the other end of the liquid nitrogen pump (4), characterized in that: Rotary seats (15) are rotatably installed on the upper ends of both sides of the base (1), and a locking rod (16) is vertically fixedly connected to one side of the rotating seat (15). A splicing interface (12) is inserted into one side of the inner wall of the base (1), and a liquid guide pipe (13) is connected to one end of the splicing interface (12). The liquid guide pipe (13) is inserted into the inner wall of the base (1), and a diversion pipe (18) is connected to the other end of the base (1). A nozzle (17) is connected to the outside of the diversion pipe (18). A drain pipe (14) is installed through the other side of the inner wall of the base (1), and an installation slot (25) is opened on the inner edge of the upper end of the base (1). A support spring (26) is vertically fixedly connected to one side of the inner wall of the installation slot (25), and a compression support block (24) is fixedly connected to one end of the support spring (26). A steel bushing (8) is inserted into the inner wall of the installation slot (25). (1) A positioning buckle groove (22) is provided on the upper edge, and a positioning buckle block (23) is installed in the inner wall of the positioning buckle groove (22). The upper end of the positioning buckle block (23) is fixedly connected to the closed shell (2), and a sealing ring (21) is attached to the lower edge of the closed shell (2). A nitrogen outlet (9) is connected to one side of the upper end of the closed shell (2), and a detection mechanism (10) is installed through the upper end of the side of the closed shell (2). One end of the detection mechanism (10) is electrically connected to a PLC controller (7), and the lower end of the PLC controller (7) is electrically connected to a connecting wire (6). The other end of the connecting wire (6) is electrically connected to a liquid nitrogen pump (4). Locking buckle grooves (20) are fixedly connected to the lower ends of both sides of the closed shell (2). The locking rod (16) is installed in the locking buckle groove (20), and a locking nut (19) is fitted on the outer wall of the locking rod (16).

2. The cooling assembly device for a cone crusher base bushing based on liquid nitrogen cooling according to claim 1, characterized in that: The enclosed housing (2) is installed in a positioning and covering manner with the base (1) through the positioning buckle groove (22) and the positioning buckle block (23), and the enclosed housing (2) is installed in a close and sealed manner with the base (1) through the sealing ring (21). The inner wall of the enclosed housing (2) is made of polystyrene foam.

3. The cooling assembly device for a cone crusher base bushing based on liquid nitrogen cooling according to claim 2, characterized in that: The inlet tube (3) is connected to the liquid guide tube (13) and the diverter tube (18) by a splice interface (12). The diverter tube (18) is arranged in a ring on the liquid guide tube (13) and has an L-shaped structure. The nozzle (17) is arranged in a fan shape on the side of the diverter tube (18).

4. The cooling assembly device for a cone crusher base bushing based on liquid nitrogen cooling according to claim 3, characterized in that: The steel bushing (8) is clamped and inserted into the mounting slot (25) by pressing the support block (24) and the support spring (26).

5. The cooling assembly device for a cone crusher base bushing based on liquid nitrogen cooling according to claim 4, characterized in that: The detection mechanism (10) integrates a pressure sensor and a temperature sensor, and the detection mechanism (10) is vertically protruding from the inner wall of the closed housing (2). The detection mechanism (10) is electrically connected to the liquid nitrogen pump (4) and the PLC controller (7) through the connecting wire (6).

6. The cooling assembly device for a cone crusher base bushing based on liquid nitrogen cooling according to claim 5, characterized in that: The locking rod (16) is installed in a flip-locking engagement with the locking slot (20) via the rotating seat (15), and the locking rod (16) is locked and fixedly connected to the locking slot (20) via the locking nut (19).

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