Core pulling device

Abstract

This utility model belongs to the field of cooler maintenance technology and discloses a core-pulling device. The core-pulling device includes a top plate, a lifting mechanism, and a base. The bottom of the top plate is connected to the output end of the lifting mechanism, which drives the top plate to move to the core-pulling position and receive the cooler core. The lifting mechanism is located on the base, and the base can slide on the support surface below the core-pulling position. Using this core-pulling device reduces the difficulty of core pulling, improves operational accuracy, and prevents the core from getting stuck on the inner wall of the cooler during the core-pulling process, thus avoiding equipment damage.

Description

Technical Field

[0001] This utility model relates to the field of cooler maintenance technology, and in particular to a core-pulling device. Background Technology

[0002] In existing technologies, air compressors are typically used to maintain cabin air pressure and ensure normal air circulation. Therefore, the compressor's cooler requires regular maintenance and cleaning. Before maintenance and cleaning, the cooler core needs to be removed. However, the cooler core is large and heavy, making it difficult to remove directly from the inside of the cooler. Current techniques often involve using stacked wooden planks to elevate one side of the cooler, then slowly dragging the cooler backward to pull the core out from the other end. This method requires multiple people working together, is not only difficult and inaccurate, but also prone to causing the core to become stuck in the cooler's outer casing, thus damaging the equipment.

[0003] Therefore, there is an urgent need for a core-pulling device to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this invention is to provide a core-pulling device that can reduce the difficulty of core pulling, improve operational accuracy, and prevent the core from getting stuck on the inner wall of the cooler during the core-pulling process, thus avoiding damage to the equipment.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A core-pulling device, comprising:

[0007] roof;

[0008] A lifting mechanism is provided, wherein the bottom of the top plate is connected to the output end of the lifting mechanism, and the lifting mechanism is used to drive the top plate to rise and fall so that the top plate can move to the core-pulling station and carry the core of the cooler;

[0009] The base, the lifting mechanism is disposed on the base, and the base can slide on the support surface to below the core-pulling station.

[0010] Preferably, the lifting mechanism includes:

[0011] A linkage assembly, comprising a first link and a second link hinged at the middle, wherein the top end of the first link is hinged to the top plate and the bottom end of the first link is slidably connected to the base; the bottom end of the second link is hinged to the base and the top end of the second link is slidably connected to the top plate.

[0012] A drive rod is used to drive the linkage assembly to raise and lower the top plate relative to the base.

[0013] Preferably, at least two linkage groups are provided, and the at least two linkage groups are spaced apart. Adjacent linkage groups are connected by a connecting rod, and the two ends of the connecting rod are respectively hinged to the hinge points of the first and second linkages on both sides.

[0014] Preferably, the top ends of two adjacent first connecting rods are hinged by a first fixed rod, and the bottom ends of two adjacent first connecting rods are hinged by a first sliding rod, and the first sliding rod can slide along the length direction of the base.

[0015] Preferably, the bottom ends of two adjacent second links are hinged by a second fixed rod, and the top ends of two adjacent second links are hinged by a second sliding rod, and the second sliding rod can slide along the length direction of the top plate.

[0016] Preferably, the drive rod passes through the first fixed rod and the second sliding rod in sequence. The drive rod and the second sliding rod are threaded together. When the drive rod is rotated, the first fixed rod prevents the drive rod from moving along its own axial direction, and the second sliding rod can slide along the length direction of the top plate, so that the top plate can be raised or lowered relative to the base.

[0017] Preferably, the top of the base is provided with a first sliding groove, and the bottom of the top plate is provided with a second sliding groove. The first sliding rod can slide in the first sliding groove, and the second sliding rod can slide in the second sliding groove.

[0018] Preferably, both the end of the first slide rod located in the first slide groove and the end of the second slide rod located in the second slide groove are provided with pulleys.

[0019] Preferably, a flexible pad is provided on the top of the top plate, and the surface of the flexible pad is provided with corrugated protrusions.

[0020] Preferably, the base has multiple casters arranged circumferentially at its bottom.

[0021] The beneficial effects of this utility model are:

[0022] This utility model discloses a core-pulling device. The core-pulling device includes a top plate, a lifting mechanism, and a base; wherein the bottom of the top plate is connected to the output end of the lifting mechanism, and the lifting mechanism is used to drive the top plate to rise and fall so that the top plate can move to the core-pulling position and receive the core of the cooler; the lifting mechanism is disposed on the base, and the base can slide on the support surface to below the core-pulling position.

[0023] When using this device for core removal, simply push the device to slide the base along the ground to below the core removal position on the cooler. Then, adjust the lifting mechanism to raise the top plate to the core removal position. At this point, open the working port for installing the core on the cooler, pull the core out onto the top plate, and then pull the device away from the cooler. The core will be pulled out along with the cooler, eliminating the need to lift the cooler to pour the core out from the other side, resulting in high operational precision. Therefore, the entire process is not only simple to operate but also avoids the core getting stuck on the inner wall of the cooler, reducing the difficulty of core removal and preventing equipment damage. Furthermore, after the core removal is completed, the top plate can be lowered back onto the base via the lifting mechanism, reducing the size of the device and improving storage convenience. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the core-pulling device provided by this utility model;

[0025] Figure 2 This is a side view of the core-pulling device provided by this utility model;

[0026] Figure 3 This is a front view of the core-pulling device provided by this utility model;

[0027] Figure 4 yes Figure 3 A magnified view of part A in the middle.

[0028] In the picture:

[0029] 10. Top plate; 11. Flexible pad; 111. Corrugated protrusion; 12. Second slide groove;

[0030] 20. Lifting mechanism; 21. Linkage group; 211. First link; 212. Second link; 22. Drive rod; 23. Connecting rod; 24. First fixed rod; 25. First sliding rod; 26. Second fixed rod; 27. Second sliding rod; 28. Pulley; 29. ​​Hinge wheel;

[0031] 30. Base; 31. First slide groove; 32. Casters. Detailed Implementation

[0032] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0033] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0035] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0036] This embodiment provides a core-pulling device, such as... Figures 1-3 As shown, the device includes a top plate 10, a lifting mechanism 20, and a base 30; the bottom of the top plate 10 is connected to the output end of the lifting mechanism 20, which drives the top plate 10 to rise and fall so that the top plate 10 can move to the core-pulling station and receive the core of the cooler; the lifting mechanism 20 is disposed on the base 30, and the base 30 can slide on the support surface to below the core-pulling station.

[0037] When using this device for core removal, simply push the device to slide the base 30 along the ground to below the core removal position of the cooler. Then, adjust the lifting mechanism 20 to raise the top plate 10 to the core removal position. At this point, open the working port for installing the core in the cooler, pull the core out onto the top plate 10, and then pull the device away from the cooler. The core can be pulled out along with the device, eliminating the need to lift the cooler to pour the core out from the other side, resulting in high operational precision. Therefore, the entire process is not only simple to operate but also avoids the core getting stuck on the inner wall of the cooler, reducing the difficulty of core removal and preventing equipment damage. Furthermore, after the core removal is completed, the top plate 10 can be lowered back onto the base 30 via the lifting mechanism 20, reducing the size of the device and improving storage convenience.

[0038] like Figure 3 and Figure 4 As shown, a flexible pad 11 is provided on the top of the top plate 10, and the surface of the flexible pad 11 is provided with corrugated protrusions 111. When the top plate 10 carries the core, the flexible pad 11 can play a good cushioning role, avoiding collisions with the top plate 10 during the core pulling process, thereby providing a good protection for the core; in addition, the corrugated protrusions 111 on the top of the flexible pad 11 can increase the friction between the top plate 10 and the core, thereby preventing the core from falling off the top plate 10.

[0039] It should be noted that in this embodiment, the flexible pad 11 is an anti-slip rubber pad (37 cm long and 23 cm wide). This material not only provides cushioning but also has excellent anti-slip properties, effectively increasing the friction between the core and the flexible pad 11. In other embodiments, flexible pads 11 of different sizes can be manufactured according to actual needs. In addition to the anti-slip rubber pad, limiting protrusions can be added to both sides of the top plate 10 along its width to prevent the core from rolling off the sides of the top plate 10 during the core-pulling process.

[0040] In addition, such as Figures 1-3 As shown, the bottom of the base 30 is provided with a plurality of casters 32 along the circumference. This arrangement not only improves the smoothness of the sliding of the base 30 relative to the support surface (ground), but also allows the device to slide in any direction, improving operational flexibility; in addition, the fact that the casters 32 are arranged along the circumference of the base 30 also improves the stability during the sliding process.

[0041] Specifically, such as Figures 1-3As shown, the lifting mechanism includes a linkage group 21 and a drive rod 22. The linkage group 21 includes a first link 211 and a second link 212 hinged in the middle. The top end of the first link 211 is hinged to the top plate 10, and the bottom end of the first link 211 is slidably connected to the base 30. The bottom end of the second link 212 is hinged to the base 30, and the top end of the second link 212 is slidably connected to the top plate 10. The drive rod 22 is used to drive the linkage group 21 to raise and lower the top plate 10 relative to the base 30. In this structure, after the first link 211 and the second link 212 rotate relative to each other, the included angle between them changes, thereby adjusting the height of the top ends of the first link 211 and the second link 212, thus indirectly realizing the raising and lowering of the top plate 10. In this embodiment, the raising and lowering of the top plate 10 can be adjusted by changing the angle of the link 21 through the drive rod 22, which improves the convenience of operation and reduces the difficulty of operation.

[0042] In this embodiment, the lifting mechanism 20 can drive the top plate 10 to a maximum height of 33 cm. In other embodiments, the maximum height of the top plate 10 can be adjusted by changing the actual size of the linkage group 21.

[0043] Considering the significant weight of the core, to ensure the top plate 10 has sufficient supporting force, such as Figures 1-3 As shown, at least two linkage groups 21 are provided, and the at least two linkage groups are spaced apart. Adjacent linkage groups 21 are connected by a connecting rod 23, and the two ends of the connecting rod 23 are respectively hinged to the hinge points of the first connecting rod 211 and the second connecting rod 212 on its two sides. This arrangement not only improves the supporting force of the lifting mechanism 20 on the top plate 10, but also enables adjacent linkage groups 21 to move synchronously, thereby ensuring the stability of the lifting of the top plate 10 and avoiding local tilting of the top plate 10.

[0044] Furthermore, such as Figures 1-3 As shown, the top ends of two adjacent first connecting rods 211 are hinged by a first fixed rod 24, and the bottom ends of two adjacent first connecting rods 211 are hinged by a first sliding rod 25, and the first sliding rod 25 can slide along the length direction of the base 30. This arrangement can improve the synchronization of the movement of two adjacent first connecting rods 211, and also improve the smoothness of the lifting mechanism 20 driving the top plate 10 to rise and fall.

[0045] Correspondingly, such as Figures 1-3 As shown, the bottom ends of two adjacent second connecting rods 212 are hinged by a second fixed rod 26, and the top ends of two adjacent second connecting rods 212 are hinged by a second sliding rod 27, which can slide along the length of the top plate 10. This arrangement can cooperate with the first fixed rod 24 and the first sliding rod 25 to further improve the synchronization of the movement of multiple connecting rod groups 21, thereby indirectly improving the smoothness of the lifting and lowering of the top plate 10.

[0046] It should be noted that in this embodiment, two sets of connecting rod assemblies 21 are provided, and the two sets are spaced apart along the width direction of the top plate 10 and the base 30, thereby ensuring the stability of the lifting and lowering of the top plate 10. In other embodiments, the number of connecting rod assemblies 21 can be adjusted according to the actual situation and background; no other limitations are made in this embodiment.

[0047] In addition, to improve the ease of driving, such as Figures 1-3 As shown, the drive rod 22 passes through the first fixed rod 24 and the second sliding rod 27 in sequence. The drive rod 22 and the second sliding rod 27 are threadedly connected. When the drive rod 22 is rotated, the first fixed rod 24 blocks the drive rod 22 from moving along its own axial direction, and the second sliding rod 27 can slide along the length direction of the top plate 10, so that the top plate 10 can be raised or lowered relative to the base 30. That is, the drive rod 22 can rotate but does not move along the axial direction. At this time, the threaded engagement between the drive rod 22 and the second sliding rod 27 can drive the second sliding rod 27 to move along the length direction of the top plate 10. The second sliding rod 27 can drive the second connecting rods 212 at both ends to move, thereby changing the angle between the first connecting rod 211 and the second connecting rod 212 (during the change of the angle, the first connecting rod 211 and the first fixed rod 24 and the second fixed rod 26 will rotate relative to each other), thus realizing the raising and lowering of the top plate 10. This setting is not only easy to install, but also easy to operate, and can improve work efficiency.

[0048] In addition, such as Figures 1-3 As shown, the top of the base 30 is provided with a first sliding groove 31, and the bottom of the top plate 10 is provided with a second sliding groove 12 (for ease of display). Figure 3 (Part of the structure is hidden in the middle) The first slide rod 25 can slide in the first slide groove 31, and the second slide rod 27 can slide in the second slide groove 12. The first slide groove 31 and the second slide groove 12 not only improve the smoothness of sliding, but also have a good guiding and limiting function, ensuring that the first slide rod 25 and the second slide rod 27 always slide along the length direction of the top plate 10 or the base 30.

[0049] Furthermore, such as Figure 1 and Figure 3 As shown, the end of the first slide rod 25 located in the first slide groove 31 and the end of the second slide rod 27 located in the second slide groove 12 are both provided with pulleys 28. By providing pulleys 28, the smoothness of the movement of the first slide rod 25 can be further improved, thereby indirectly increasing the rising speed of the top plate 10.

[0050] Furthermore, considering that the first fixed rod 24 and the second fixed rod 26 will rotate around their own axes at a certain angle during the lifting process, articulated wheels 29 are provided at the ends of the first fixed rod 24 located in the first slide groove 31 and the ends of the second fixed rod 26 located in the second slide groove 12. The articulated wheels 29 can improve the smoothness of the rotation of the first fixed rod 24 and the second fixed rod 26 around their own axes and improve operating efficiency.

[0051] Referring to the accompanying drawings, the usage process of the core-pulling device in this embodiment is described as follows:

[0052] First, push the device directly below the core-pulling station;

[0053] Next, rotate the drive rod 22 to drive the top plate 10 to rise to the core-pulling position through the connecting rod group 21 on both sides, and pull part of the core out of the cooler onto the top plate 10 (to ensure that the core will not fall off unbalanced after being completely pulled out). After placing it, pull this device away from the cooler to completely pull the core out of the cooler.

[0054] Finally, remove the core, rotate the drive rod 22, and lower the top plate 10.

[0055] In summary, the core-pulling device in this embodiment has a simple, non-contact structure, is easy to operate, and has high operational precision (it can smoothly pull out the core without having to raise the cooler to empty the core). It can effectively prevent the core from getting stuck on the inner wall of the cooler during the core-pulling process, thus avoiding damage to the equipment and the core.

[0056] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A core-pulling device, characterized in that, include: Top plate (10); Lifting mechanism (20), the bottom of the top plate (10) is connected to the output end of the lifting mechanism (20), the lifting mechanism (20) is used to drive the top plate (10) to rise and fall, so that the top plate (10) can move to the core pulling station and carry the core of the cooler; The base (30) is provided with the lifting mechanism (20) and the base (30) is slidable on the support surface to below the core-pulling station.

2. The core-pulling device according to claim 1, characterized in that, The lifting mechanism (20) includes: A linkage assembly (21) includes a first link (211) and a second link (212) hinged in the middle. The top end of the first link (211) is hinged to the top plate (10), and the bottom end of the first link (211) is slidably connected to the base (30). The bottom end of the second link (212) is hinged to the base (30), and the top end of the second link (212) is slidably connected to the top plate (10). A drive rod (22) is used to drive the linkage assembly (21) to raise and lower the top plate (10) relative to the base (30).

3. The core-pulling device according to claim 2, characterized in that, At least two linkage groups (21) are provided, and at least two linkage groups are provided at intervals. Adjacent linkage groups are connected by connecting rods (23), and the two ends of the connecting rods (23) are respectively hinged to the hinge points of the first linkage (211) and the second linkage (212) on both sides.

4. The core-pulling device according to claim 3, characterized in that, The top ends of two adjacent first connecting rods (211) are hinged by a first fixed rod (24), and the bottom ends of two adjacent first connecting rods (211) are hinged by a first sliding rod (25), and the first sliding rod (25) can slide along the length direction of the base (30).

5. The core-pulling device according to claim 4, characterized in that, The bottom ends of two adjacent second connecting rods (212) are hinged by a second fixed rod (26), and the top ends of two adjacent second connecting rods (212) are hinged by a second sliding rod (27), and the second sliding rod (27) can slide along the length direction of the top plate (10).

6. The core-pulling device according to claim 5, characterized in that, The drive rod (22) passes through the first fixed rod (24) and the second slide rod (27) in sequence. The drive rod (22) and the second slide rod (27) are threadedly connected. When the drive rod (22) is rotated, the first fixed rod (24) blocks the drive rod (22) from moving along its own axial direction, and the second slide rod (27) can slide along the length direction of the top plate (10) so that the top plate (10) rises and falls relative to the base (30).

7. The core-pulling device according to claim 5, characterized in that, The base (30) has a first sliding groove (31) at its top and a second sliding groove (12) at its bottom. The first sliding rod (25) can slide in the first sliding groove (31) and the second sliding rod (27) can slide in the second sliding groove (12).

8. The core-pulling device according to claim 7, characterized in that, The end of the first slide rod (25) located in the first slide groove (31) and the end of the second slide rod (27) located in the second slide groove (12) are both provided with pulleys (28).

9. The core-pulling device according to any one of claims 1-8, characterized in that, A flexible pad (11) is provided on the top of the top plate (10), and the surface of the flexible pad (11) is provided with corrugated protrusions (111).

10. The core-pulling device according to any one of claims 1-8, characterized in that, The base (30) has a plurality of casters (32) arranged circumferentially at its bottom.

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