A lubrication and maintenance device for a stay cable

Abstract

The invention discloses a lubrication and maintenance device for a cable, comprising a cylinder and a sealing cover plate assembly, both axial ends of the cylinder and the sealing cover plate assembly are provided with through holes for the cable to pass through, the outer edge side wall of the sealing cover plate assembly is in sliding contact with the inner wall of the cylinder, and the chamber between the sealing cover plate assembly and the cylinder is used to contain grease; it also comprises a paratrooper rope II, one end of the paratrooper rope II is connected to the sealing cover plate assembly, and the other end passes through the bottom of the cylinder and extends outward; by pulling the paratrooper rope II, the sealing cover plate assembly is driven to move axially inside the cylinder, so as to squeeze the grease in the chamber, so that the grease is squeezed out through the gap between the inner wall of the through hole at the bottom of the cylinder and the outer wall of the cable; the top of the cylinder is used to connect the traction component, and the bottom of the cylinder is also provided with a smearing component, which is used to smear the extruded grease on the cable. The invention can quickly and effectively maintain the cable without an outer sealing cylinder under safe and controllable conditions.

Description

Technical Field

[0001] The invention relates to the field of inclined cables of high-rise iron towers, and in particular to an inclined cable lubrication and maintenance device, which is especially used for lubrication and maintenance of inclined cables of iron towers of nuclear power plants. Background Art

[0002] At present, the cable-stayed technology is mainly used to fix the structural stability of buildings such as cable-stayed bridges and high-rise iron towers. In the application of cable-stayed bridge construction, the cable used for anchoring will be wrapped with a layer of PE pipe from bottom to top, so when maintaining the cable, it is only necessary to fill the anchor head sealing cylinder with oil for protection; for buildings such as high-rise iron towers, the anchored cable is only a steel strand, and its outer layer does not have a sealing sleeve for oiling, and there is currently no such maintenance equipment on the market, so there are problems such as high risks and difficult construction when maintaining the tower cable.

[0003] According to the "Technical Requirements for Safety in Operation and Maintenance of Telecommunication Steel Tower Masts", routine maintenance is required at least once every quarter during the 20-year service life of the cable after delivery and professional maintenance is required at least once every three years. Since the tower is high and there are no special tools for maintenance, the conventional maintenance method is for operators to use aerial platforms to lubricate and maintain the accessible cables. The maintenance height is only 15 meters (vertical height), and the rest is not maintained because it is out of reach. When executing this method, the aerial platform operator needs to move the parking space at all times, and the maintenance time for a single cable is at least 3 hours, which is inefficient and costly. Therefore, a convenient and fast cable lubrication device is needed to perform cable lubrication and maintenance operations. Summary of the invention

[0004] The technical problem to be solved by the present invention is: in the prior art, the conventional maintenance method for the inclined cables of buildings such as high-rise iron towers has the problems of great maintenance difficulty, high cost, low efficiency and great safety risks. The present invention provides a lubrication and maintenance device for inclined cables to solve the above problems.

[0005] The present invention is achieved through the following technical solutions:

[0006] A lubrication and maintenance device for an inclined cable comprises a cylinder and a sealing cover plate assembly, wherein both axial ends of the cylinder and the sealing cover plate assembly are provided with through holes for the inclined cable to pass through, the outer edge side wall of the sealing cover plate assembly is in sliding contact with the inner wall of the cylinder, and the chamber between the sealing cover plate assembly and the cylinder is used to contain grease; the device also comprises a paratrooper rope II, one end of which is connected to the sealing cover plate assembly, and the other end passes through the bottom of the cylinder and extends outward; the sealing cover plate assembly is driven to move axially along the inside of the cylinder by pulling the paratrooper rope II, so as to squeeze the grease in the chamber and squeeze the grease through the gap between the inner wall of the through hole at the bottom of the cylinder and the outer wall of the inclined cable; the top of the cylinder is used to connect a traction component, and the bottom of the cylinder is also provided with a smearing component, and the smearing component is used to smear the extruded grease on the inclined cable.

[0007] For buildings such as high-rise iron towers, the anchored cable is only a steel strand, and its outer layer does not have a sealing sleeve for oiling. In addition, no such maintenance equipment is currently available on the market. Therefore, there are problems such as high risks and difficult construction when maintaining the cable of the iron tower. The maintenance process is time-consuming, costly and inefficient. Based on this background, the present invention provides a lubrication and maintenance device for a cable-stayed cable, wherein the device is passed through the cable-stayed cable and sleeved on the cable, grease is filled in a cylinder, and the cylinder is pulled upward along the cable by a traction rope or other traction components. The grease in the cylinder will first contact the cable-stayed cable, and play a certain lubricating role on the cable-stayed cable, and part of the grease will be squeezed out from the gap between the cable-stayed cable and the through hole, and the extruded grease will be further evenly spread on the cable-stayed cable through a smearing component, so as to achieve effective lubrication and maintenance; ground workers use telescopes to observe the lubrication effect at any time, and when the grease is unevenly spread, the paratrooper rope II under the pulling device is used to move the sealing cover plate assembly downward, thereby accumulating the grease in the cylinder, so that the grease is evenly spread on the cable, and this reciprocating process can complete the maintenance of the entire cable-stayed cable. Especially for grease with poor fluidity, the sliding and squeezing effect of the paratrooper rope II and the sealing cover assembly can ensure that the grease in the cylinder is in full contact with the inclined cable. The squeezing process is also a process that evenly redistributes the grease on the inclined cable. At the same time, the squeezed grease can be easily evenly spread through the coating device, thereby achieving comprehensive and effective lubrication maintenance of the inclined cable.

[0008] Further preferably, the cylinder includes a cylinder wall and a cylinder assembly; the cylinder assembly includes a bottom plate and a sealing plate, the bottom plate is detachably fixed to the bottom of the cylinder wall to achieve sealing of the open bottom of the cylinder wall; the bottom plate is provided with a through hole I and a slit I for passing the inclined cable, the slit I extends from the edge of the bottom plate to the through hole I and is connected to the through hole I; the sealing plate is slidably arranged on the bottom plate to cover the slit I.

[0009] The present invention preferably designs the cylinder assembly to facilitate the inclined cable to pass through the bottom of the cylinder, with a simple structure and convenient operation.

[0010] Further preferably, the cylinder wall comprises a plate material and a fixing member, the plate material is wound into a cylindrical structure, and is fixed by the fixing member to form a cylinder wall structure.

[0011] The cylinder wall is designed as a winding structure, which is convenient for the cylinder wall to pass through the inclined cable for installation; when in use, a plate is selected, rolled into a cylindrical structure around the inclined cable, and then fixed into shape with fixing parts, which has a simple structure and is easy to operate.

[0012] Further preferably, the fixing member is a spring buckle.

[0013] Further preferably, the sealing cover plate assembly includes a cover plate and a sealing cover plate, and the outer edge side wall of the cover plate is in sliding contact with the inner wall of the cylinder; the cover plate is provided with a through hole II and a slit II for passing the inclined cable, and the slit II extends from the edge of the cover plate to the through hole II and is connected to the through hole II; the sealing cover plate is used to cover the slit II.

[0014] The present invention preferably designs a sealing cover plate assembly to facilitate the oblique cable to pass through the sealing cover plate, which has a simple structure and is easy to operate.

[0015] Further preferably, a cleaning component is provided at the top end of the cylinder, and the cleaning component is used to clean the debris on the inclined cable.

[0016] By cleaning the parts and removing the debris, the grease is ensured not to be contaminated, so that the grease can fully contact with the inclined cable and play a role in lubrication and maintenance.

[0017] Further preferably, the smearing component adopts a sleeve bristle assembly II, and the cleaning component adopts a sleeve bristle assembly I. The sleeve bristle assembly II and the sleeve bristle assembly I have the same structure and are mirror-symmetrically arranged at the two axial ends of the cylinder; the sleeve bristle assembly I includes sleeve bristles and at least two tie rod components; the sleeve bristles are used to be sleeved on the inclined cable; one end of each tie rod component is connected to the sleeve bristles and the other end is connected to the cylinder, all the tie rod components are arranged in a conical structure along the circumferential direction of the inclined cable, and the end of the conical structure close to the cylinder is the large diameter end, and the end away from the cylinder is the small diameter end; the sleeve bristles of the sleeve bristle assembly I are used to connect the traction component.

[0018] In order to enable the cylinder to move smoothly and smoothly along the inclined cable, avoid the contact between the cylinder wall and the inclined cable to increase resistance or avoid jamming problems, and ensure that the grease in the cylinder is in full contact with the inclined cable, the present invention optimizes the design of the sleeve bristle assembly I and the structure of the sleeve bristle assembly at both ends of the cylinder and the overall connection structure with the cylinder. The two sleeve bristle assemblies and the cylinder are connected by a conically arranged pull rod component, so that the sleeve bristles of the sleeve bristle assembly I serve as the traction point for the cylinder, and the sleeve bristles of the sleeve bristle assembly II serve as the resistance point for the cylinder, which can ensure that the axis of the cylinder always maintains a fixed position relationship with the axis of the inclined cable, such as parallel (including overlap).

[0019] Further preferably, a circular spring sealing brush is wound inside the sleeve bristles.

[0020] Further preferably, it also includes a traction component, which adopts a paratrooper rope I, and one end of the paratrooper rope I is connected to the sleeve bristles of the sleeve bristle assembly I.

[0021] During use, a fixed pulley can be installed on the top of the iron tower, and one end of the paratrooper rope 1 is connected with the sleeve bristles of the sleeve bristle assembly after passing around the fixed pulley, and the other end of the paratrooper rope 1 is used for manually applying traction.

[0022] Further preferably, the outer diameter of the sleeve bristles is smaller than the outer diameter of the cylinder, and the inclined cable lubrication and maintenance device as a whole presents a spindle structure; the axis of the conical structure formed by the arrangement of all the pull rod components, the axis of the cylinder, the axis of the through hole on the cylinder and the axis of the through hole on the sealing cover plate assembly coincide with each other.

[0023] The present invention has the following advantages and beneficial effects:

[0024] 1. The present invention provides a lubrication and maintenance device for a cable, which can quickly and effectively maintain a cable without an outer sealing cylinder under safe and controllable conditions. The device is passed through the cable and sleeved on the cable, grease is filled in the cylinder, and the cylinder is pulled upward along the cable by a traction rope or other traction components. The grease in the cylinder will first contact the cable, which will play a certain lubricating role on the cable. Part of the grease will be squeezed out from the gap between the cable and the through hole, and the squeezed grease will be further evenly spread on the cable through the smearing component to achieve effective lubrication and maintenance; ground workers use telescopes to observe the lubrication effect at any time. When the grease is unevenly spread, the paratrooper rope II under the pulling device is used to move the sealing cover plate assembly downward to accumulate the grease in the cylinder, so that the grease is evenly spread on the cable. This reciprocating process can complete the maintenance of the entire cable. Especially for grease with poor fluidity, the sliding and squeezing effect of the paratrooper rope II and the sealing cover assembly can ensure that the grease in the cylinder is in full contact with the inclined cable. The squeezing process is also a process that evenly redistributes the grease on the inclined cable. At the same time, the squeezed grease can be easily evenly spread through the coating device, thereby achieving comprehensive and effective lubrication maintenance of the inclined cable.

[0025] 2. In order to enable the cylinder to move smoothly and smoothly along the inclined cable, avoid the contact between the cylinder wall and the inclined cable to increase resistance or avoid jamming problems, and ensure that the grease in the cylinder is in full contact with the inclined cable, the present invention optimizes the design of the sleeve bristle assembly I and the structure of the sleeve bristle assembly at both ends of the cylinder and the overall connection structure with the cylinder. The two sleeve bristle assemblies and the cylinder are connected by a conically arranged pull rod member, so that the sleeve bristles of the sleeve bristle assembly I serve as the traction point for the cylinder, and the sleeve bristles of the sleeve bristle assembly II serve as the resistance point for the cylinder, which can ensure that the axis of the cylinder always maintains a fixed positional relationship with the axis of the inclined cable, such as parallel (including overlap). BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings described herein are used to provide a further understanding of the embodiments of the present invention, constitute a part of this application, and do not constitute a limitation of the embodiments of the present invention. In the drawings:

[0027] Figure 1 It is a structural schematic diagram of the lubrication and maintenance device for the inclined cable of the present invention;

[0028] Figure 2 It is a schematic diagram of the cylinder wall structure of the present invention;

[0029] Figure 3 Schematic diagram of the structure of the cylinder assembly of the present invention; wherein (a) represents the bottom plate, and (b) represents the sealing plate;

[0030] Figure 4Schematic diagram of the structure of the sealing cover plate assembly of the present invention; wherein Figure (a) represents the cover plate, and Figure (b) represents the sealing cover plate;

[0031] Figure 5 It is a schematic structural diagram of the sleeve bristle assembly I or the sleeve bristle assembly II of the present invention;

[0032] Figure 6 It is a schematic diagram of the sleeve bristle structure of the present invention;

[0033] Figure 7 It is a structural schematic diagram of the use process of the inclined cable lubrication and maintenance device of the present invention.

[0034] Markings and corresponding parts names in the accompanying drawings: 1- inclined cable, 2- paratrooper rope I, 3- cylinder, 4- sealing cover plate assembly, 41- cover plate, 42- sealing cover plate, 411- through hole II, 412- slit II, 5- cylinder assembly, 51- bottom plate, 52- sealing plate, 511- through hole I, 512- slit I, 6- sleeve bristle assembly I, 7- sleeve bristle assembly II, 8- paratrooper rope II, 9- spring buckle, 10- sleeve bristle, 11- pull rod member;

[0035] A represents the ground, B represents the iron tower, C represents the fixed pulley, and D represents the lubrication and maintenance device for the inclined cable provided by the present invention. DETAILED DESCRIPTION

[0036] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The exemplary embodiments of the present invention and their description are only used to explain the present invention and are not intended to limit the present invention.

[0037] Example 1

[0038] The present embodiment provides a lubrication and maintenance device for a cable, including a cylinder 3 and a sealing cover assembly 4. Through holes for the cable 1 to pass through are provided at both axial ends of the cylinder 3 and on the sealing cover assembly 4. The outer shape of the cylinder 3 can be a cylindrical structure such as a square or a circle. The outer edge side wall of the sealing cover assembly 4 is in sliding contact with the inner wall of the cylinder 3, preferably in dynamic sealing contact. The chamber between the sealing cover assembly 4 and the cylinder 3 is used to contain grease, that is, a chamber is formed between the bottom of the cylinder 3, the side wall section of the cylinder 3 and the sealing cover assembly 4 to contain grease; the shape of the sealing cover assembly 4 is designed according to the requirements, as long as the outer edge side wall of the sealing cover assembly 4 is compatible with the inner wall of the cylinder. In order to realize a reciprocating dynamic sealing connection, a rubber sealing ring can be provided on the outer edge side wall of the sealing cover assembly 4, so that the rubber sealing ring is pressed between the outer edge side wall of the sealing cover assembly 4 and the inner wall of the cylinder.

[0039] It also includes a paratrooper rope II8, one end of which is connected to the sealing cover assembly 4, and the other end passes through the bottom of the cylinder 3 and extends outward; by pulling the paratrooper rope II8, the sealing cover assembly 4 is driven to move axially along the inside of the cylinder 3, so as to realize the grease in the extrusion chamber, and the grease is squeezed out through the gap between the inner wall of the through hole at the bottom of the cylinder 3 and the outer wall of the inclined cable 1; the top of the cylinder 3 is used to connect the traction component, and the traction component can be manually pulled by a traction rope or other components, or combined with an automated robot to realize automatic traction. The structure or form of the paratrooper rope II8 here is not limited to the paratrooper rope, as long as it can pull the sealing cover to move, such as various ropes or pull rods. A smearing component is also provided at the bottom of the cylinder 3, and the smearing component is used to smear the extruded grease on the inclined cable 1.

[0040] Example 2

[0041] An improvement is made on the basis of Example 1, the cylinder 3 includes a cylinder wall and a cylinder assembly 5, and the cylinder 3 is designed to be a cylindrical structure; the cylinder assembly 5 includes a bottom plate 51 and a sealing plate 52, the bottom plate 51 is detachably fixed to the bottom of the cylinder wall, and the bottom plate 51 is a circular plate structure, such as being fixed to the bottom of the cylinder wall by bolt connection, so as to achieve sealing of the open bottom of the cylinder wall. The bottom plate 51 is provided with a through hole I511 and a slit I512 for passing the inclined cable 1, and the slit I512 extends from the edge of the bottom plate 51 to the through hole I511 and is connected to the through hole I511; the sealing plate 52 is slidably arranged on the bottom plate 51 to cover the slit I512. For example, the sealing plate 52 adopts a fan-shaped plate structure, the inner arc section of the fan-shaped plate is close to the through hole I511, the outer arc section of the fan-shaped plate coincides with the outer edge of the base plate 51, the center of the fan-shaped plate, the center of the base plate 51 and the through hole I511 coincide with each other, and the fan-shaped plate rotates circumferentially along the base plate 51 with the through hole I511 as the rotation center; when the inclined cable 1 needs to pass through the through hole I511 through the slit I512, the fan-shaped plate is rotated so that the fan-shaped plate just covers the slit I512, thereby sealing the slit I512, preventing grease from leaking out of the slit I512, and ensuring that the grease is squeezed out only from the gap between the through hole I511 and the inclined cable 1.

[0042] The cylinder wall comprises a plate and a fixing member, wherein the plate is wound into a cylindrical structure and is fixed by the fixing member to form a cylinder wall structure. The fixing member is a spring buckle 9.

[0043] The sealing cover plate assembly 4 comprises a cover plate 41 and a sealing cover plate 42. The outer edge side wall of the cover plate 41 is in dynamic sealing sliding contact with the inner wall of the cylinder 3. The cover plate 41 is a circular plate structure. The cover plate 41 is provided with a through hole II411 and a slit II412 for passing the inclined cable 1. The slit II412 extends from the edge of the cover plate 41 to the through hole II411 and is connected to the through hole II411. The sealing cover plate 42 is used to cover the slit II412.

[0044] For example, the sealing cover plate 42 adopts a fan-shaped plate structure, the inner arc section of the fan-shaped plate is close to the through hole II411, the outer arc section of the fan-shaped plate coincides with the outer edge of the cover plate 41, the center of the fan-shaped plate, the center of the cover plate 41 and the through hole II411 coincide, and the fan-shaped plate rotates circumferentially along the cover plate 41 with the through hole II411 as the rotation center; when the inclined cable 1 needs to pass through the through hole II411 through the slit II412, the fan-shaped plate is rotated so that the fan-shaped plate just covers the slit II412, thereby sealing the slit II412, preventing grease from leaking from the slit II412, and ensuring that the grease is squeezed out only from the gap between the through hole I511 and the inclined cable 1.

[0045] Example 3

[0046] As a further improvement on Example 2, a cleaning component is further provided at the top of the cylinder 3. The cleaning component and the smearing component move synchronously with the cylinder 3. The cleaning component is used to clean the debris on the inclined cable, such as aged and weathered grease and dust on the inclined cable.

[0047] The optimized design is that the smearing component adopts the sleeve bristle assembly II7, and the cleaning component adopts the sleeve bristle assembly I6. The sleeve bristle assembly II7 and the sleeve bristle assembly I6 have the same structure and are mirror-symmetrically arranged at the axial ends of the barrel 3. The outer diameter of the sleeve bristle 10 is smaller than the outer diameter of the barrel 3, and the outer shape of the sleeve bristle 10 is circular.

[0048] The sleeve bristle assembly I6 includes a sleeve bristle 10 and four tie rod components 11; the sleeve bristle 10 is used to be sleeved on the inclined cable 1; one end of each tie rod component 11 is connected to the circumferential wall of the sleeve bristle 10, and the other end is connected to the outer circumferential wall of the top of the cylinder 3, and all the tie rod components 11 are arranged in a conical structure along the circumferential direction of the inclined cable 1, and the end of the conical structure close to the cylinder 3 is the large diameter end, and the end away from the cylinder 3 is the small diameter end; a circular spring sealing brush is wound inside the sleeve bristle 10, and the tie rod component is an aluminum alloy tie rod component.

[0049] The sleeve bristle assembly II7 includes a sleeve bristle 10 and four tie rod components 11; the sleeve bristle 10 is used to be sleeved on the inclined cable 1; one end of each tie rod component 11 is connected to the circumferential wall of the sleeve bristle 10, and the other end is connected to the outer circumferential wall of the bottom of the cylinder 3, and all the tie rod components 11 are arranged in a conical structure along the circumferential direction of the inclined cable 1, and the end of the conical structure close to the cylinder 3 is the large diameter end, and the end away from the cylinder 3 is the small diameter end; a circular spring sealing brush is wound inside the sleeve bristle 10, and the tie rod component is an aluminum alloy tie rod component.

[0050] The entire inclined cable lubrication and maintenance device composed of the cylinder 3 and the sleeve brush assemblies I6 and II7 arranged at both ends of the cylinder 3 has a spindle structure as a whole, and the axis of the conical structure formed by all the pull rod components, the axis of the cylinder 3, the axis of the through hole on the cylinder 3 and the axis of the through hole on the sealing cover plate assembly 4 coincide with each other.

[0051] Also comprise traction component, traction component adopts paratrooper rope 12, and one end of paratrooper rope 12 is connected with the sleeve bristle 10 of sleeve bristle assembly 16. The other end of paratrooper rope 12 is used for applying traction force.

[0052] The whole device has a simple structure, low production cost and is easy to use.

[0053] The method for using the lubrication and maintenance device for the inclined cable provided in Example 3 is as follows:

[0054] Step 1, device assembly:

[0055] (1) The rectangular cylinder wall is rolled into a cylindrical shape and passed through the inclined cable 1, and the spring buckle 9 is pulled tightly to tighten it, forming a cylindrical structure with open ends.

[0056] (2) Place the sealing cover plate assembly 4 and the cylinder assembly 5 into the cylinder in sequence, and use bolts to tighten the connection between the cylinder assembly 5 and the cylinder wall.

[0057] (3) Fix the sleeve bristle assembly I6 to the top end of the cylinder 3 with bolts, and fix the sleeve bristle assembly II7 to the bottom end of the cylinder 3 with bolts, and ensure that both sets of sleeve bristles 10 pass through the inclined cable 1.

[0058] (4) A fixed pulley is installed at the top of the iron tower. One end of the paratrooper rope I2 is connected to the sleeve bristle 10 of the sleeve bristle assembly 6 after passing around the fixed pulley. The other end of the paratrooper rope I2 is used to manually apply traction.

[0059] Step 2, lubrication of the cable:

[0060] Grease is filled into the assembled lubrication device, and it slowly rises along the inclined cable 1 under the tension of the paratrooper rope I2. The sleeve brush 10 of the sleeve brush assembly I6 cleans the debris on the inclined cable 1, and the sleeve brush 10 of the sleeve brush assembly II7 is responsible for evenly applying the grease on the inclined cable 1. Ground operators use telescopes to observe the lubrication effect at any time. When the grease is unevenly applied, the paratrooper rope II8 under the pulling device moves the sealing cover plate assembly 4 downward to accumulate the grease in the cylinder 3, so that the grease is evenly applied on the inclined cable 1. After three reciprocating operations, the entire inclined cable 1 can be maintained.

[0061] Technical effect: Since the Haiyang Nuclear Power Tower cable 1 without a sealed protective tube is the first formal maintenance, there is no previous data reference, and there is no such product on the market for comparison. Combined with the on-site implementation, it shows that 4 cables with a vertical height of 100 meters, a horizontal projection of 95 meters, and a total length of about 140 meters can be maintained within 6 hours. There are a total of 18 cables in the Haiyang Nuclear Power Meteorological Tower, and the total time consumed is 24 hours (excluding other time such as on-site layout).

[0062] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A lubrication and maintenance device for a stay cable, comprising a cylinder (3) and a sealing cover plate assembly (4), wherein both axial ends of the cylinder (3) and the sealing cover plate assembly (4) are provided with through holes for the stay cable (1) to pass through, and characterized in that: The outer edge side wall of the sealing cover plate assembly (4) is in sliding contact with the inner wall of the cylinder (3), and the chamber between the sealing cover plate assembly (4) and the cylinder (3) is used to contain lubricating grease; It also includes a paratrooper rope II (8), one end of which is connected to the sealing cover plate assembly (4) and the other end of which passes through the bottom of the cylinder (3) and extends outward; by pulling the paratrooper rope II (8), the sealing cover plate assembly (4) is driven to move axially along the inside of the cylinder (3), so as to squeeze the grease in the chamber, so that the grease is squeezed out through the gap between the inner wall of the through hole at the bottom of the cylinder (3) and the outer wall of the inclined cable (1); the top of the cylinder (3) is used to connect a traction component; The bottom of the cylinder (3) is also provided with a coating component, and the coating component is used to coat the extruded grease on the inclined cable (1); The cylinder (3) comprises a cylinder wall and a cylinder assembly (5); the cylinder assembly (5) comprises a bottom plate (51) and a sealing plate (52); the bottom plate (51) is detachably fixed to the bottom of the cylinder wall to achieve sealing of the open bottom of the cylinder wall; the bottom plate (51) is provided with a through hole I (511) and a slit I (512) for passing the inclined cable (1); the slit I (512) extends from the edge of the bottom plate (51) to the through hole I (511) and is connected to the through hole I (511); The sealing plate (52) is slidably disposed on the bottom plate (51) and is used to cover the cutting slit I (512); The sealing cover plate assembly (4) comprises a cover plate (41) and a sealing cover plate (42); the outer edge side wall of the cover plate (41) is in sliding contact with the inner wall of the cylinder (3); the cover plate (41) is provided with a through hole II (411) for passing the inclined cable (1) and a slit II (412); the slit II (412) extends from the edge of the cover plate (41) to the through hole II (411) and is connected to the through hole II (411); the sealing cover plate (42) is used to cover the slit II (412).

2. A stay cable lubrication and maintenance device according to claim 1, characterized in that: The cylinder wall comprises a plate and a fixing piece. The plate is wound into a cylinder structure and is fixed by the fixing piece to form a cylinder wall structure.

3. A stay cable lubrication and maintenance device according to claim 2, characterized in that: The fixing piece adopts a spring buckle (9).

4. A stay cable lubrication and maintenance device according to any one of claims 1 to 3, characterized in that: A cleaning component is also provided at the top end of the cylinder (3), and the cleaning component is used to clean debris on the inclined cable.

5. A stay cable lubrication and maintenance device according to claim 4, characterized in that: The smearing component adopts a sleeve bristle assembly II (7), and the cleaning component adopts a sleeve bristle assembly I (6); the sleeve bristle assembly II (7) and the sleeve bristle assembly I (6) have the same structure and are arranged at the two axial ends of the cylinder (3) in a mirror-symmetrical manner; The sleeve bristle assembly I (6) comprises sleeve bristles (10) and at least two tie rod components (11); the sleeve bristles (10) are used to be sleeved on the inclined cable (1); one end of each tie rod component (11) is connected to the sleeve bristles (10) and the other end is connected to the cylinder (3); all tie rod components (11) are arranged in a circular shape along the circumference of the inclined cable (1) to form a conical structure, and the end of the conical structure close to the cylinder (3) is a large diameter end, and the end away from the cylinder (3) is a small diameter end; The sleeve bristles (10) of the sleeve bristle assembly I (6) are used to connect the traction component.

6. A stay cable lubrication and maintenance device according to claim 5, characterized in that: A circular spring sealing brush is wound inside the sleeve brush bristles (10).

7. A stay cable lubrication and maintenance device according to claim 5, characterized in that: It also includes a traction component, which is a paratrooper rope I (2), and one end of the paratrooper rope I (2) is connected to the sleeve bristles (10) of the sleeve bristle assembly I (6).

8. A stay cable lubrication and maintenance device according to claim 7, characterized in that: The outer diameter of the sleeve bristles (10) is smaller than the outer diameter of the cylinder (3), and the inclined cable lubrication and maintenance device as a whole presents a spindle structure; the axis of the conical structure formed by the arrangement of all the pull rod components, the axis of the cylinder (3), the axis of the through hole on the cylinder (3), and the axis of the through hole on the sealing cover plate assembly (4) coincide with each other.

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