A circular track device

Abstract

This utility model discloses a ring track device, including a cable chain and a slot box. One end of the cable chain is fixed, and the other end is connected to a moving carrier. The cable chain can be folded to form a first cable chain section, a second cable chain section, and a bent cable chain section connected between the first and second cable chain sections. The first, second, and bent cable chain sections are arranged horizontally. The slot box is annular and used to house the cable chain. The slot box has a concentric outer annular groove and an inner annular groove. The first cable chain section is accommodated in the outer annular groove, and the second cable chain section is accommodated in the inner annular groove. This utility model can solve the problem of cable chain detachment caused by lateral offset and vibration during operation.

Description

Technical Field

[0001] This utility model relates to the technical field of intercooling tower flushing equipment, and in particular to a ring track device. Background Technology

[0002] As a key component of industrial circulating water cooling systems, indirect cooling towers operate under constant exposure to the natural environment. The surfaces of the indirect cooling tower fans easily absorb dust, particulate matter, and other pollutants from the air, gradually forming a layer of fouling. This fouling reduces the heat exchange efficiency of the indirect cooling tower fans, hinders heat exchange between the circulating cooling water and the air, and consequently affects the overall operating efficiency of the cooling system, leading to increased energy consumption and potentially causing safety hazards such as equipment overheating. Therefore, it is necessary to rely on flushing equipment to regularly clean the surface of the indirect cooling towers. Currently, when indirect cooling tower flushing equipment performs automatic flushing, the hoses and cables are placed in a cable chain, allowing the flushing equipment to operate automatically without human intervention.

[0003] However, during the operation of the flushing equipment, the cable chain is generally folded upwards. When the flushing equipment moves along the curved surface of the cooling tower or performs turning operations, the coordination between the cable chain and the matching tank lacks a reliable limiting mechanism. Most existing tanks are open structures, which only form simple lateral constraints on the cable chain through the tank wall. However, the cable chain will generate lateral offset force during the bending process. In addition, the vibration transmission caused by the flow of the medium in the hose during the flushing operation can easily cause the cable chain to come out of the tank. Utility Model Content

[0004] In view of the shortcomings of the existing technology, this utility model provides a ring track device, which aims to solve the problem of cable chain detachment caused by lateral offset and vibration during operation.

[0005] This utility model is achieved through the following technical solution:

[0006] A circular track device, comprising:

[0007] A cable chain, one end of which is fixed and the other end is connected to a mobile carrier. The cable chain can be folded to form a first cable chain section, a second cable chain section, and a bent cable chain section connected between the first cable chain section and the second cable chain section. The first cable chain section, the second cable chain section, and the bent cable chain section are arranged in a horizontal direction.

[0008] The slot box is circular and used to house the cable chain. The slot box has an outer annular groove and an inner annular groove that are concentrically arranged inside. The first cable chain portion is accommodated in the outer annular groove, the second cable chain portion is accommodated in the inner annular groove, and the bent cable chain portion is mounted on top of the outer annular groove and the inner annular groove.

[0009] Furthermore, the bottom of each of the outer annular grooves is provided with a plurality of first rollers, which are used to support the first drag chain section;

[0010] The bottom of each inner annular groove is provided with a plurality of second rollers, which are used to support the second drag chain section.

[0011] Furthermore, the slot includes an outer perimeter wall, an inner perimeter wall, and a bottom wall connected between the outer perimeter wall and the inner perimeter wall;

[0012] An outer ring wall and an inner ring wall are also fixed on the bottom wall;

[0013] The outer annular groove is formed between the outer annular wall, the outer perimeter wall, and the bottom wall, and the first roller is rotatably connected between the outer perimeter wall and the outer annular wall;

[0014] The inner annular groove is formed between the inner ring wall, the inner surrounding wall, and the bottom wall, and the second roller is rotatably connected between the inner surrounding wall and the inner ring wall.

[0015] Furthermore, the bottom wall has multiple openings, which are spaced apart along the extension direction of the slot.

[0016] Furthermore, the annular track device also includes an outer ring transition strip and an inner ring transition strip. The outer ring transition strip is circular and located close to the outer annular groove. The inner ring transition strip is circular and located close to the inner annular groove. The outer surfaces of the outer ring transition strip and the inner ring transition strip are arc-shaped and respectively support the opposite ends of the bent drag chain portion.

[0017] Furthermore, both the outer ring transition strip and the inner ring transition strip are cylindrical, and the outer ring transition strip is fixed directly above the outer ring wall, and the inner ring transition strip is fixed directly above the inner ring wall.

[0018] In the horizontal direction, the highest point of the outer ring transition strip is lower than the highest point of the outer perimeter wall, and the highest point of the inner ring transition strip is lower than the highest point of the inner perimeter wall.

[0019] Furthermore, the cable chain includes multiple links connected in sequence, each link including a support component and a pair of connecting plates symmetrically arranged at both ends of the support component;

[0020] The connecting plate is a Z-shaped structure plate with a circular boss and a circular groove on each end. The circular boss of the chain link is rotatably engaged with the circular groove of the adjacent chain link.

[0021] Furthermore, a plurality of fan-shaped grooves are distributed around the outer periphery of the circular groove, and a plurality of sliding blocks corresponding one-to-one with the plurality of fan-shaped grooves are provided on the connecting plate, and the sliding blocks are slidably connected in the fan-shaped grooves.

[0022] Furthermore, the outer side of the connecting plate is provided with a plurality of mutually spaced contact protrusions, and the contact protrusions are slidably connected to the bottom of the slot box.

[0023] Furthermore, the contact boss is elongated, and the axial direction of the contact boss is consistent with the axial direction of the cable chain.

[0024] Compared with existing technologies, the advantages of this utility model are:

[0025] By arranging the entire cable chain horizontally within the trough, space is effectively utilized and the swaying amplitude of the cable chain during equipment operation is reduced, improving the guiding stability of hoses and cables. This effectively prevents the cable chain from detaching from the trough due to excessive swaying, thereby ensuring the safety and reliability of the flushing equipment during long-term operation. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of a circular track device;

[0027] Figure 2 This is a top view of the slot box;

[0028] Figure 3 This is a schematic diagram of the slot box structure;

[0029] Figure 4 This is a schematic diagram of the cable chain structure;

[0030] Figure 5 Schematic diagram of the chain segment Figure 1 ;

[0031] Figure 6 Schematic diagram of the chain segment Figure 2 .

[0032] 800, Cable chain; 810, First cable chain section; 820, Second cable chain section; 830, Bending cable chain section; 840, Chain link; 850, Support assembly; 860, Connecting plate; 861, Circular groove; 862, Circular boss; 863, Fan-shaped groove; 864, Sliding block; 865, Contact boss; 900, Slot box; 910, Outer annular groove; 911, First roller; 920, Inner annular groove; 921, Second roller; 940, Outer wall; 950, Inner wall; 960, Bottom wall; 961, Opening; 970, Outer annular wall; 971, Outer annular transition strip; 972, Inner annular transition strip; 980, Inner annular wall. Detailed Implementation

[0033] The following detailed, non-limiting description of the utility model's technical solution, in conjunction with preferred embodiments and accompanying drawings, is provided. In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0034] like Figure 1 As shown, an embodiment of the present invention provides a ring track device for storing and moving hoses and cables required for rinsing equipment. The ring track device includes a cable chain 800 and a trough 900. The cable chain 800 can be folded to form a first cable chain portion 810, a second cable chain portion 820, and a bent cable chain portion 830 connected between the first cable chain portion 810 and the second cable chain portion 820. The first cable chain portion 810, the second cable chain portion 820, and the bent cable chain portion 830 are arranged horizontally. The trough 900 is annular and is used to store the cable chain 800. The trough 900 has a concentric outer annular groove 910 and an inner annular groove 920 inside. The first cable chain portion 810 is accommodated in the outer annular groove 910, the second cable chain portion 820 is accommodated in the inner annular groove 920, and the bent cable chain portion 830 is mounted above the outer annular groove 910 and the inner annular groove 920. By horizontally arranging the entire cable chain 800 within the trough 900, this design effectively utilizes space and reduces the swaying amplitude of the cable chain during equipment operation, improving the guiding stability of hoses and cables. It also effectively prevents the cable chain 800 from detaching from the trough 900 due to excessive swaying, thereby ensuring the safety and reliability of the flushing equipment during long-term operation.

[0035] One end of the cable chain 800 is fixed, and the other end is connected to the moving carrier. Specifically, one end of the cable chain 800 is fixed to the tank 900, and the other end is connected to the flushing equipment of the indirect cooling tower.

[0036] like Figure 2As shown, the bottom of each outer annular groove 910 is provided with multiple first rollers 911, which are used to support the first cable chain section 810; the bottom of each inner annular groove 920 is provided with multiple second rollers 921, which are used to support the second cable chain section 820. The first rollers 911 and the second rollers 921 are evenly distributed along the extension direction of their respective annular grooves, which greatly reduces the friction between the cable chain 800 and the bottom of the tank 900 when it reciprocates with the flushing ladder 300.

[0037] like Figure 3 As shown, the slot box 900 includes an outer perimeter wall 940, an inner perimeter wall 950, and a bottom wall 960 connected between the outer perimeter wall 940 and the inner perimeter wall 950, which are disposed opposite to each other; an outer ring wall 970 and an inner ring wall 980 are also fixed on the bottom wall 960; an outer annular groove 910 is formed between the outer ring wall 970, the outer perimeter wall 940 and the bottom wall 960, and a first roller 911 is rotatably connected between the outer perimeter wall 940 and the outer ring wall 970; an inner annular groove 920 is formed between the inner ring wall 980, the inner perimeter wall 950 and the bottom wall 960, and a second roller 921 is rotatably connected between the inner perimeter wall 950 and the inner ring wall 980.

[0038] The height of the outer ring wall 970 is lower than the height of the outer ring wall 940, and the height of the inner ring wall 980 is lower than the height of the inner ring wall 950. This is to facilitate the bending of the drag chain section 830 across the area between the outer ring groove 910 and the inner ring groove 920, ensuring that it passes smoothly without obstruction during reciprocating motion, while maintaining the compactness and stability of the overall structure.

[0039] To further improve the stability of the cable chain 800, in this embodiment, the upper surface of the first cable chain portion 810 is not higher than the outer wall 940, and the upper surface of the second cable chain portion 820 is not higher than the inner wall 950.

[0040] Multiple openings 961 are provided on the bottom wall 960, and the multiple openings 961 are arranged at intervals along the extension direction of the slot box 900. The openings 961 are used to reduce the overall weight of the slot box 900 and reduce costs.

[0041] The bent cable chain section 830 smoothly transitions between the inner and outer annular grooves as the equipment moves, reducing movement resistance and extending the cable chain's service life. Therefore, the annular track device also includes an outer ring transition bar 971 and an inner ring transition bar 972. The outer ring transition bar 971 is annular and positioned close to the outer annular groove 910, while the inner ring transition bar 972 is annular and positioned close to the inner annular groove 920. The outer surfaces of the outer ring transition bar 971 and the inner ring transition bar 972 are arc-shaped and respectively support the opposite ends of the bent cable chain section 830. The outer ring transition bar 971 and the inner ring transition bar 972 ensure that the bent cable chain section 830 smoothly slides from the outer annular groove 910 into the inner annular groove 920 or vice versa, avoiding wear and jamming caused by uneven friction or concentrated force, significantly improving movement stability and structural durability.

[0042] Both the outer ring transition strip 971 and the inner ring transition strip 972 are cylindrical, with the outer ring transition strip 971 fixed directly above the outer ring wall 970 and the inner ring transition strip 972 fixed directly above the inner ring wall 980. Horizontally, the highest point of the outer ring transition strip 971 is lower than the highest point of the outer ring wall 940, and the highest point of the inner ring transition strip 972 is lower than the highest point of the inner ring wall 950. This ensures that the bending cable chain section 830 does not interfere with the outer ring wall 970 or the inner ring wall 980 during the transition process.

[0043] like Figures 4-6 As shown, the cable chain 800 includes multiple links 840 connected in sequence. Each link 840 includes a support assembly 850 and a pair of connecting plates 860 symmetrically arranged at both ends of the support assembly 850. The connecting plates 860 are Z-shaped structural plates, with circular bosses 862 and circular grooves 861 on their respective ends. The circular bosses 862 of the links 840 rotatably engage with the circular grooves 861 of the adjacent links 840. This enables flexible hinged connections between adjacent links 840, giving the cable chain good bending performance and freedom of movement, thus adapting to the reciprocating motion requirements under complex paths.

[0044] The outer periphery of the circular groove 861 is further surrounded by multiple fan-shaped grooves 863. The connecting plate 860 is also equipped with multiple sliding blocks 864 corresponding one-to-one with the fan-shaped grooves 863, and the sliding blocks 864 are slidably connected within the fan-shaped grooves 863. The sliding blocks 864 can slide synchronously within the fan-shaped grooves 863 as the bending angle of the chain link 840 changes, effectively limiting excessive torsion and enhancing structural stability. The contact surface between the sliding blocks 864 and the fan-shaped grooves 863 is arc-shaped, reducing wear and improving durability. When the cable chain 800 reciprocates along the circular track, the sliding blocks 864 slide along the trajectory of the fan-shaped grooves 863, assisting in adjusting the rotation angle between adjacent chain links 840, preventing jamming or stress concentration, and further ensuring the smoothness and reliability of the cable chain operation.

[0045] The outer side of the connecting plate 860 is provided with a plurality of contact protrusions 865 spaced apart from each other. The contact protrusions 865 are slidably connected to the bottom of the slot box 900, and the frictional resistance is reduced by point contact during the movement.

[0046] The contact boss 865 is elongated, and its axial direction is aligned with that of the cable chain 800. This ensures stable sliding guidance during reciprocating motion, effectively disperses local pressure, and prevents friction buildup and increased wear caused by excessive contact area.

[0047] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A circular track device, characterized in that, include: A cable chain (800) has one end fixed and the other end connected to a mobile carrier. The cable chain (800) can be folded to form a first cable chain section (810), a second cable chain section (820), and a bent cable chain section (830) connected between the first cable chain section (810) and the second cable chain section (820). The first cable chain section (810), the second cable chain section (820), and the bent cable chain section (830) are arranged in a horizontal direction. A slot box (900) is annular and is used to house the cable chain (800). The slot box (900) has a concentric outer annular groove (910) and an inner annular groove (920) inside. The first cable chain part (810) is accommodated in the outer annular groove (910), and the second cable chain part (820) is accommodated in the inner annular groove (920). The bent cable chain part (830) is mounted above the outer annular groove (910) and the inner annular groove (920).

2. The circular track device according to claim 1, characterized in that, The bottom of each of the outer annular grooves (910) is provided with a plurality of first rollers (911), which are used to support the first drag chain section (810). The bottom of each inner annular groove (920) is provided with a plurality of second rollers (921), which are used to support the second drag chain section (820).

3. The circular track device according to claim 2, characterized in that, The slot (900) includes an outer perimeter wall (940), an inner perimeter wall (950) disposed opposite to each other, and a bottom wall (960) connecting the outer perimeter wall (940) and the inner perimeter wall (950). An outer ring wall (970) and an inner ring wall (980) are also fixed on the bottom wall (960); The outer annular groove (910) is formed between the outer annular wall (970), the outer perimeter wall (940) and the bottom wall (960), and the first roller (911) is rotatably connected between the outer perimeter wall (940) and the outer annular wall (970); The inner annular groove (920) is formed between the inner ring wall (980), the inner perimeter wall (950) and the bottom wall (960), and the second roller (921) is rotatably connected between the inner perimeter wall (950) and the inner annular wall (980).

4. The circular track device according to claim 3, characterized in that, The bottom wall (960) has a plurality of openings (961), which are spaced apart along the extension direction of the slot (900).

5. The circular track device according to claim 3, characterized in that, The annular track device further includes an outer ring transition bar (971) and an inner ring transition bar (972). The outer ring transition bar (971) is circular and is located close to the outer annular groove (910). The inner ring transition bar (972) is circular and is located close to the inner annular groove (920). The outer surfaces of the outer ring transition bar (971) and the inner ring transition bar (972) are arc-shaped and respectively support the opposite ends of the bent drag chain portion (830).

6. The circular track device according to claim 5, characterized in that, Both the outer ring transition strip (971) and the inner ring transition strip (972) are cylindrical, and the outer ring transition strip (971) is fixed directly above the outer ring wall (970), while the inner ring transition strip (972) is fixed directly above the inner ring wall (980). In the horizontal direction, the highest point of the outer ring transition strip (971) is lower than the highest point of the outer perimeter wall (940), and the highest point of the inner ring transition strip (972) is lower than the highest point of the inner perimeter wall (950).

7. The circular track device according to claim 1, characterized in that, The drag chain (800) includes a plurality of links (840) connected in sequence, and each link (840) includes a support component (850) and a pair of connecting plates (860) symmetrically arranged at both ends of the support component (850). The connecting plate (860) is a Z-shaped structure plate with a circular boss (862) and a circular groove (861) on each end. The circular boss (862) of the link (840) and the circular groove (861) of the adjacent link (840) are rotatably engaged.

8. The circular track device according to claim 7, characterized in that, The outer periphery of the circular groove (861) is also provided with a plurality of fan-shaped grooves (863), and the connecting plate (860) is also provided with a plurality of sliding blocks (864) corresponding one-to-one with the plurality of fan-shaped grooves (863), and the sliding blocks (864) are slidably connected in the fan-shaped grooves (863).

9. The circular track device according to claim 7, characterized in that, The outer side of the connecting plate (860) is provided with a plurality of mutually spaced contact bosses (865), and the contact bosses (865) are slidably connected to the bottom of the slot box (900).

10. The circular track device according to claim 9, characterized in that, The contact boss (865) is elongated, and the axial direction of the contact boss (865) is consistent with the axial direction of the drag chain (800).

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