CN219636838U - Slider assembly, telescopic arm and suspension overhauling platform - Google Patents

Abstract

The utility model relates to the technical field of sliding equipment, and provides a sliding block assembly, a telescopic arm and a suspension maintenance platform, wherein the sliding block assembly comprises: the fixed beam is used for being fixed at the front end of the first expansion joint; the sliding block is connected with the fixed beam, and is located one side of the fixed beam facing the second expansion joint, and is suitable for being abutted against the sliding beam of the second expansion joint and is a plastic piece. According to the sliding block assembly, the telescopic arms and the suspension maintenance platform provided by the utility model, the sliding block assembly can realize self lubrication, the friction force born by the sliding assembly can be effectively reduced, the phenomenon of clamping between the telescopic arms is avoided, and the service life of the telescopic arms is effectively prolonged.

Description

Slider assembly, telescopic arm and suspension overhauling platform

Technical Field

The utility model relates to the technical field of sliding equipment, in particular to a sliding block assembly, a telescopic arm and a suspension maintenance platform.

Background

For the maintenance of some high-altitude equipment, a lifting suspension platform is usually required, for example, the blade of the wind driven generator is subjected to maintenance. Typically, the blades of the wind turbine are arranged inclined with respect to the tower, with different distances extending from the tower at different heights.

In the related art, by arranging the telescopic boom, the construction work platform of the maintainer is arranged on the telescopic boom, when the overhaul height changes, different distances between the inclined blades of the wind driven generator and the tower body can be adapted through different telescopic amounts of the telescopic boom, so that overhaul construction can be conveniently carried out at different heights; wherein the telescoping arms generally employ sliding assemblies between different telescoping sections to reduce friction between the different telescoping sections.

However, in the related art, after long-term friction, the sliding assembly is easy to cause the occurrence of jamming between the telescopic arms due to severe abrasion, so that the service life of the telescopic arms is affected.

Disclosure of Invention

The utility model provides a sliding block assembly, a telescopic arm and a suspension maintenance platform, which are used for solving the problems that the sliding assembly is easy to cause the clamping of the telescopic arm and the service life of the telescopic arm is influenced after long-term friction in the related art, the sliding block assembly can realize self lubrication, the friction force born by the sliding assembly can be effectively reduced, the clamping phenomenon between the telescopic arms is avoided, and the service life of the telescopic arm is effectively prolonged.

The present utility model provides a slider assembly comprising:

the fixed beam is used for being fixed at the front end of the first expansion joint;

the sliding block is connected with the fixed beam, and is located one side of the fixed Liang Mianxiang second expansion joint, the sliding block is suitable for being abutted to the sliding beam of the second expansion joint, and the sliding block is a plastic piece.

According to the sliding block assembly provided by the utility model, the side, facing the second telescopic joint, of the sliding block is provided with the accommodating groove, and the accommodating groove is suitable for accommodating the lubricant.

According to the sliding block assembly provided by the utility model, the accommodating grooves are arranged at intervals along the sliding direction of the second expansion joint, and a plurality of accommodating grooves which are arranged at intervals are mutually communicated.

According to the sliding block assembly provided by the utility model, the sliding block comprises a first side wall and a second side wall, wherein the first side wall is abutted against the top wall of the sliding beam, and the second side wall is abutted against the side wall of the sliding beam.

According to the present utility model, there is provided a slider assembly, further comprising: the sliding block fixing frame is connected to the fixing beam; the sliding block fixing frame is provided with a containing space on one side facing the second expansion joint, the sliding block is arranged in the containing space, and part of the sliding block extends out of the containing space.

According to the present utility model, there is provided a slider assembly, further comprising: the locating piece is arranged on the fixed beam, a guide hole is formed in the sliding block fixing frame, and the locating piece penetrates through the guide hole; the locating piece is sleeved with a fixing piece.

According to the present utility model, there is provided a slider assembly, further comprising: the propping piece is arranged on the fixed beam, and one end of the propping piece is propped against one side of the sliding block fixing frame, which is opposite to the sliding block.

According to the present utility model, there is provided a slider assembly, further comprising: the gap adjusting piece is arranged between the sliding block fixing frame and the fixing beam; the propping piece is arranged on the gap adjusting piece in a penetrating way and is connected with the gap adjusting piece in a threaded way; the gap adjuster is adapted to control a gap between the slider and the slide beam.

The utility model also provides a telescopic arm which comprises the sliding block assembly and a plurality of telescopic joints provided by any one of the previous embodiments of the utility model, wherein each telescopic joint except the first telescopic joint in the telescopic joints is provided with the sliding block assembly.

The utility model also provides a suspension maintenance platform which comprises the sliding block assembly provided by any one of the previous embodiments or the telescopic arm provided by the previous embodiments.

According to the sliding block assembly, the telescopic arm and the suspension maintenance platform, the fixed beam is fixedly arranged at the front end of the first telescopic joint, the sliding block is arranged at one side of the second telescopic joint for fixing Liang Mianxiang, and the sliding block is abutted against the sliding beam of the second telescopic joint; in addition, a plastic piece is adopted as a sliding block; like this, refine the plastics sliding block of preparation through the oil as the raw materials, at the in-process of friction with the slide beam, plastics sliding block has the effect of self-lubricating, can effectively reduce the friction between sliding block and the slide beam to avoided appearing the condition/phenomenon of card dun between slider and the slide beam after long-term friction, effectively prolonged the life of flexible arm.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an enlarged schematic view of a slider assembly mated with a telescopic joint according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of the front end of a plurality of telescopic joints in a telescopic arm according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a slider in a slider assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a slider holder and slider matching structure in a slider assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a slider mount in a slider assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a gap adjuster in a slider assembly according to an embodiment of the present utility model;

fig. 7 is a schematic diagram of an overall structure of a telescopic overhaul platform according to an embodiment of the present utility model.

Reference numerals:

10-a slider assembly; 20-a first telescopic joint; 30-a second telescopic joint; 40-basket body;

110-fixing beams; 120-sliding blocks; 130-a slider mount; 140-positioning pieces; 150-fixing piece; 160-an abutment; 170-gap adjuster; 180-locking member;

121-a receiving groove; 122-a first sidewall; 123-a second sidewall; 131-a fixed arm; 132-a guide hole; 171-threaded holes; 172-lightening holes; 181-flat pad; 182-spring washers.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Fig. 1 is an enlarged schematic structural view of a slider assembly matched with an expansion joint according to an embodiment of the present utility model, and fig. 2 is an enlarged schematic structural view of front ends of a plurality of expansion joints in an expansion arm according to an embodiment of the present utility model.

With reference to fig. 1, in order to solve the technical problems in the related art, an embodiment of the present utility model provides a slider assembly 10, including: a fixed beam 110 and a slider 120.

It is understood that in embodiments of the present utility model, the fixed beam 110 may be fixed to the telescopic joint. Referring to fig. 2, the slider assembly 10 in the embodiment of the present utility model may be applied to a telescopic arm, for example, the blades of a wind driven generator are generally disposed obliquely with respect to the tower, and at different heights, the distances between the blades and the tower are different, so that the suspension maintenance platform can adjust the distance between itself and the tower through the telescopic arm, so as to maintain the blades with different distances from the tower at different heights. That is, in embodiments of the present utility model, the telescoping arm may telescope in a horizontal or near horizontal direction. It will be appreciated that telescoping arms typically include at least two telescoping sections slidably connected to one another; in some examples, one of the telescoping sections may be inserted into the other telescoping section and slid along the length of the telescoping section to adjust the position of the service platform.

In the present embodiment, for convenience of description, one of the at least two expansion joints is referred to as a first expansion joint 20, and the other expansion joint is referred to as a second expansion joint 30. Wherein the fixing beam 110 may be fixed to the front end of the first expansion joint 20. It will be understood that, referring to fig. 2, the front end of the first expansion joint 20 may specifically refer to an end of the first expansion joint 20 in a direction in which the second expansion joint 30 slides out or slides in (i.e., a telescoping direction); in some examples, the front end of the first telescopic joint 20 may also be understood as the open end of the first telescopic joint 20 when the second telescopic joint 30 is inserted into the first telescopic joint 20.

In the embodiment of the present utility model, the fixing beam 110 may be specifically connected to the first expansion joint 20 through a connection fixing member such as a bolt, a screw, or a nut. In some possible examples, the fixed beam 110 may also be fixed to the first expansion joint 20 by welding. In addition, in the embodiment of the present utility model, the fixing beam 110 may be made of stainless steel or aluminum alloy.

Referring to fig. 2, in some alternative examples of embodiments of the present utility model, the fixing beam 110 may be provided in a ring-shaped structure, and the fixing beam 110 of the ring-shaped structure surrounds the end of the first expansion joint 20. In this way, the balance of the second telescopic joint 30 when it is telescopic on the first telescopic joint 20 can be ensured.

With continued reference to fig. 1 and 2, in the embodiment of the present utility model, the sliding block 120 is connected to the fixed beam 110, and the sliding block 120 is located on a side of the fixed beam 110 facing the second expansion joint 30, where the sliding block 120 is adapted to abut against the sliding beam of the second expansion joint 30, and the sliding block 120 is a plastic piece.

Specifically, in the embodiment of the present utility model, the sliding block 120 may be fixedly connected to the fixed beam 110. For example, in some examples, the sliding block 120 may be countersunk, and the connecting member such as a screw, a bolt, or a screw rod may pass through the countersunk and then be fixed to the fixed beam. In some alternative examples of the embodiment of the present utility model, the sliding block 120 may also be connected to the fixed beam 110 by using a clamping manner, for example, in some examples, a clamping groove may be formed on a side of the fixed beam 110 facing the second expansion joint 30, and a portion of the sliding block 120 is embedded into the clamping groove by using an interference fit manner, so as to connect the sliding block 120 to the fixed beam 110.

In particular use, after the second expansion joint 30 is inserted into the first expansion joint 20, the sliding block 120 may abut against the sliding beam of the second expansion joint 30, so as to facilitate the sliding of the second expansion joint 30 relative to the first expansion joint 20.

As a specific example, in the embodiment of the present utility model, the telescopic arm is telescopic in the horizontal or approximately horizontal direction as an example. The sliding block 120 may be disposed above or on top of the second telescopic joint 30. When the telescopic arm is stretched, as a certain stress exists at the connection position of the second telescopic joint 30 and the first telescopic joint 20 under the action of gravity, in the embodiment of the utility model, the sliding block 120 is arranged above or on the top wall of the second telescopic joint 30, so that friction caused by the stress can be effectively reduced, and smoothness of the second telescopic joint 30 when sliding relative to the first telescopic joint 20 is facilitated.

In addition, in the embodiment of the present utility model, the sliding block 120 may be made of plastic, that is, the sliding block 120 is a plastic piece. Wherein the plastic can be thermoplastic engineering plastic such as high molecular polyethylene or ultrahigh molecular polyethylene. Like this, adopt engineering plastics preparation sliding block 120, sliding block 120 refines the working of plastics of preparation as the raw materials for the oil, and in sliding friction in-process, the part that sliding block 120 was worn and torn under frictional force effect can become self-lubricating lubricant, can effectively reduce the friction between the sliding beam of sliding block 120 and second telescopic joint 30, can effectively protect sliding block 120 not receive the damage, has promoted sliding block 120's life. In addition, the situation that the second telescopic joint 30 is blocked when sliding relative to the first telescopic joint 20 can be avoided, and the service life of the telescopic arm can be effectively prolonged.

According to the sliding block assembly 10, the telescopic arm and the suspension maintenance platform provided by the utility model, the fixed beam 110 is fixedly arranged at the front end of the first telescopic joint 20, the sliding block 120 is arranged at one side of the fixed beam 110 facing the second telescopic joint 30, and the sliding block 120 is abutted against the sliding beam of the second telescopic joint 30; in addition, a plastic member is used as the slider 120; like this, refine the plastics sliding block 120 of preparation through the oil as the raw materials, in the in-process of friction with the slide beam, plastics sliding block 120 has the effect of self-lubricating, can effectively reduce the friction between sliding block 120 and the slide beam to avoided appearing the condition/phenomenon of card dun between slider and the slide beam after long-term friction, effectively prolonged the life of telescopic boom.

Fig. 3 is a schematic structural diagram of a slider in a slider assembly according to an embodiment of the present utility model.

Referring to fig. 3, in an alternative example of the embodiment of the present utility model, a side of the sliding block 120 facing the second expansion joint 30 is provided with a receiving groove 121, and the receiving groove 121 is adapted to receive a lubricant.

Specifically, in the embodiment of the present utility model, the accommodating groove 121 may be integrally formed with the slider 120. For example, when the slider 120 is integrally molded, the accommodation groove 121 may be formed in one side of the slider 120, and when the slider 120 is connected to the fixed beam 110, the side having the accommodation groove 121 may be held to be attached to the second expansion joint 30.

It will be appreciated that in alternative examples of embodiments of the present utility model, the receiving groove 121 may be formed by subjecting the surface of the slider 120 to secondary processing. For example, after the slider 120 is molded and cured, one of the surfaces of the slider 120 may be grooved or hollowed by a machining tool such as a lathe, a milling cutter, or the like, thereby forming the accommodating groove 121. In addition, in some alternative examples, the receiving groove 121 may be formed on one of the surfaces of the slider 120 by etching, laser engraving, or the like. When the slider 120 is connected to the fixed beam 110, the side having the receiving groove 121 is installed to face the second expansion joint 30.

In the embodiment of the present utility model, the accommodating groove 121 may accommodate or place therein a lubricant, which may be, as a specific example, a lubricating grease, which may be filled in the accommodating groove 121. In a specific arrangement, the sliding block 120 may be connected to the fixed beam 110 after the lubricant is filled in the accommodating groove 121. It should be noted that the lubricating grease needs to be grease which is not corrosive to the plastic parts, for example, the lubricating grease can be silicon-based grease. In other examples of embodiments of the present utility model, the lubricant may also be a graphite block or the like, the graphite block being embedded in the accommodating groove 121, and a portion of the graphite block protruding out of the accommodating groove 121.

In the embodiment of the utility model, the accommodating groove 121 is arranged on the sliding block 120, when the sliding block 120 is mounted on the fixed beam 110, the accommodating groove 121 faces to/faces to the sliding beam of the second telescopic joint 30, so that the lubricant filled in the accommodating groove 121 can be in contact with the sliding beam of the second telescopic joint 30 to play a role of lubrication, thereby effectively reducing the friction force between the sliding block 120 and the sliding beam of the second telescopic joint 30, avoiding the situation/phenomenon of jamming between the sliding block and the sliding beam after long-term friction, and effectively prolonging the service life of the telescopic arm.

With continued reference to fig. 3, in an alternative example of the embodiment of the present utility model, the receiving grooves 121 are arranged at intervals in the sliding direction of the second expansion joint 30, and the plurality of the receiving grooves 121 arranged at intervals communicate with each other.

Specifically, taking fig. 2 as a specific example, generally the second expansion joint 30 may be inserted into the first expansion joint 20 and slide along the length direction of the first expansion joint 20 (or the length direction of the second expansion joint 30), specifically may slide along the direction indicated by the arrow x in fig. 2 (taking the stretching process as an example), or, in some examples, the sliding direction of the second expansion joint 30 may also slide along the direction opposite to the direction indicated by the arrow x in fig. 2 (taking the shortening process as an example). In the embodiment of the present utility model, the plurality of receiving grooves 121 may be arranged along the sliding direction of the second expansion joint 30. For example, the direction shown in fig. 3 is taken as an example, wherein the direction shown by the arrow x may be a sliding direction of the slider 120 with respect to the sliding beam (i.e., a sliding direction of the second expansion joint 30), the direction shown by the arrow y may be a width direction of the slider 120 (i.e., a width direction of the sliding beam), and the direction shown by the arrow z may be a thickness direction of the slider 120.

In a specific arrangement, referring to fig. 3, in the embodiment of the present utility model, the accommodating groove 121 may be a bar-shaped groove, and the extending direction of the bar-shaped groove may specifically extend along the width direction of the sliding block 120, that is, the length direction of the bar-shaped groove may be the same as, similar to, or identical to the direction shown in the y direction in fig. 3. Thus, the length direction in the bar-shaped groove can cover the width of the sliding beam, so that the lubricant can be arranged in the width direction of the sliding beam, and the lubricating effect between the sliding beam and the sliding block 120 can be improved.

In addition, referring to fig. 3, in the embodiment of the present utility model, a plurality of receiving grooves 121 are communicated with each other. For example, as shown in fig. 3, a groove along the sliding direction of the sliding block 120 may be provided at a side of the sliding block 120 having the receiving groove 121, and the groove sequentially passes through the plurality of receiving grooves 121, thereby communicating the plurality of receiving grooves 121. In some examples, perforations or through holes may be provided in the direction shown by x in fig. 3, the perforations or through holes communicating the plurality of receiving grooves 121. In this way, the lubricants in the plurality of accommodating grooves 121 are facilitated to flow each other between the accommodating grooves 121, thereby improving the uniform distribution area of the lubricants on the surface of the slider 120 and improving the lubrication effect of the lubricants between the slider 120 and the sliding beam.

In the embodiment of the present utility model, a plurality of accommodating grooves 121 are arranged at intervals on one side of the sliding block 120 facing the sliding beam, and the accommodating grooves 121 are arranged at intervals along the sliding direction of the second telescopic member. Thus, the lubricant in the accommodating groove 121 can be uniformly distributed between the slider 120 and the slide beam, and the lubrication effect can be effectively improved. In addition, the plurality of accommodating grooves 121 are communicated with each other, so that the lubricants in the plurality of accommodating grooves 121 can flow between the accommodating grooves 121, thereby improving the uniform distribution area of the lubricants on the surface of the sliding block 120 and the lubrication effect of the lubricants on the sliding block 120 and the sliding beam. The friction force between the sliding block 120 and the sliding beam of the second telescopic joint 30 can be effectively reduced, the situation/phenomenon that the sliding block and the sliding beam are blocked after long-term friction is avoided, and the service life of the telescopic arm is effectively prolonged.

With continued reference to fig. 1-3, in an alternative example of an embodiment of the present utility model, the slider 120 includes a first side wall 122 and a second side wall 123, the first side wall 122 abutting against a top wall of the sliding beam, and the second side wall 123 abutting against a side wall of the sliding beam.

Specifically, referring to fig. 3, in an embodiment of the present utility model, the first sidewall 122 and the second sidewall 123 may not be parallel. When specifically provided, the angle and shape between the first and second sidewalls 122 and 123 may be provided according to the specific shape of the sliding beam. As a specific example of the embodiment of the present utility model, referring to fig. 3, the specific shape of the slider 120 may be set to be an "L" shape, so that a portion of the "L" shape may collide against the top wall of the sliding beam and another portion may collide against the side wall of the sliding beam.

In the embodiment of the present utility model, the sliding block 120 is provided with two parts, namely a first side wall 122 and a second side wall 123, wherein the first side wall 122 abuts against the top wall of the sliding beam, and the second side wall 123 abuts against the side wall of the sliding beam. In this way, in the event of failure of the sliding wheel between the side/sidewall of the first telescopic joint 20 and the second telescopic joint 30, the second sidewall 123 of the sliding block 120 can perform a certain lubrication sliding function, and the service life or the service life of the telescopic arm can be prolonged. When faults occur in the overhaul process, the overhaul operation can be completed at least once, and the operation efficiency of the overhaul operation can be improved.

Fig. 4 is a schematic structural diagram of a slider fixing frame and a slider in a slider assembly according to an embodiment of the present utility model, and fig. 5 is a schematic structural diagram of a slider fixing frame in a slider assembly according to an embodiment of the present utility model.

Referring to fig. 1, 4 and 5, in some alternative examples of embodiments of the utility model, the slider assembly 10 further comprises: the sliding block fixing frame 130, the sliding block fixing frame 130 is connected to the fixing beam 110; the side of the slider fixing frame 130 facing the second expansion joint 30 has a containing space, the slider 120 is disposed in the containing space, and a portion of the slider 120 extends out of the containing space.

Specifically, in the embodiment of the present utility model, the slider fixing frame 130 may be made of an alloy material such as stainless steel or an aluminum alloy. In some specific examples, the slider mount 130 may be formed from sheet metal bending. In a specific arrangement, referring to fig. 4 and 5, an edge of the slider fixing frame 130 facing one side of the second expansion joint 30 may be bent downward, thereby forming a receiving space. A portion of the sliding block 120 may be disposed in the receiving space, thereby forming a fixing and a limit for the sliding block 120.

In a specific arrangement, referring to fig. 1 and 4, a side of the sliding block 120 facing the sliding block fixing frame 130 may be embedded into the accommodating space and interference fit with a sidewall of the accommodating space, thereby fixing the sliding block 120. In another understanding of the embodiment of the present utility model, it may also be understood that the edge of the side of the slider fixing frame 130 facing the second expansion joint 30 is bent downward to form a holding structure (i.e. a receiving space), and the slider 120 is held by the holding structure and abuts against the sliding beam.

With continued reference to fig. 4 and 5, in an embodiment of the present utility model, a side of the slider fixing frame 130 facing the fixing beam 110 may be configured as a U-shape, for example, a U-shape structure is formed by two fixing arms 131 disposed opposite to each other at a distance; the slider mount 130 may be connected to the fixed beam 110 by a U-shaped structure. In a specific connection, the fixing beam 110 may enter the slider fixing frame 130 from the opening of the U-shaped structure and be connected by a connection member such as a bolt, a screw or a screw.

In the embodiment of the present utility model, the slider fixing frame 130 is disposed on the fixing beam 110, and the accommodating space is disposed on one side of the slider fixing frame 130 facing the second expansion joint 30; like this, be convenient for with the part embedding of sliding block 120 to in the accommodation space to the installation and the dismantlement of sliding block 120 of being convenient for, when the sliding block 120 used for a long time appears wearing and tearing serious condition, can conveniently be to the change of sliding block 120, promoted the maintenance efficiency of flexible arm.

With continued reference to fig. 1 and 4, in an alternative example of an embodiment of the present utility model, the slider assembly 10 further includes: the positioning piece 140, the positioning piece 140 is arranged on the fixed beam 110, and as shown in fig. 4 and 5, the slide block fixing frame 130 is provided with a guide hole 132, and the positioning piece 140 is arranged in the guide hole 132 in a penetrating way; the fixing member 150 is sleeved on the positioning member 140.

Specifically, in the embodiment of the present utility model, the positioning member 140 may be a bolt, a screw or a screw. In some examples, the positioning member 140 may also be a pin, a shaft pin, or a shaft pin. In a specific arrangement, the fixing beam 110 may be provided with a shaft hole, and the positioning element 140 passes through the guide hole 132 on the slider fixing frame 130 and then passes through the shaft hole. Referring to fig. 1, in the embodiment of the present utility model, the positioning member 140 passes through the guide hole 132, so that the positioning member 140 can limit the degree of freedom of the slider fixing frame 130 along the length direction of the fixing beam 110 (for example, the direction indicated by the arrow x in fig. 1); the occurrence of the situation that the slider fixing frame 130 moves along the length direction of the fixing beam 110 can be effectively avoided, and the effectiveness of contact between the slider 120 and the sliding beam is ensured.

In addition, in the embodiment of the present utility model, the guide hole 132 may be a bar-shaped hole, and the specific extending direction of the guide hole 132 may be the direction indicated by the arrow y in fig. 1; that is, the guide holes 132 function to guide the movement of the slider holder 130 between the fixed beam 110 and the sliding beam so that the slider holder 130 moves between the fixed beam 110 and the sliding beam. In this way, the spacing between the slider 120 and the slide beam can be adjusted.

It will be appreciated that as a telescopic arm for a service platform for a wind turbine, the telescopic arm may generally have a plurality of standard telescopic joints, as a specific example, each of which may be set to a length of 4m; the plurality of standard telescopic joints adapt to the change of the distance between the blades and the tower body through telescopic adjustment. In addition, after the telescopic arms are stretched, each telescopic joint has certain stress deformation under the action of gravity. In the embodiment of the present utility model, the guide groove is formed on the slider fixing frame 130. Thus, after the fixing member 150 (for example, a nut or a nut is used as a specific example, in this embodiment of the present utility model, the fixing member 150 may be a locknut), the gap between the sliding block 120 and the sliding beam may be adjusted by adjusting the position of the sliding block fixing frame 130, and the gap may absorb the processing error and stress deformation of the sliding beam, so that the sliding between the sliding beam and the sliding block 120 is smoother, and the occurrence of a jamming condition may be effectively avoided.

As an alternative example of an embodiment of the present utility model, referring to fig. 1 and 4, the slider assembly 10 further includes: the propping piece 160, the propping piece 160 is arranged on the fixed beam 110, and one end of the propping piece 160 is propped against one side of the slider fixing frame 130, which is away from the slider 120.

Specifically, in the embodiment of the present utility model, the abutting member 160 may be a bolt, a screw or a bolt. In a specific arrangement, referring to fig. 1, a hole (not shown) may be formed in the fixing beam 110, and the abutment 160 may be disposed in the hole, and an end of the abutment 160 facing/facing the second expansion joint 30 abuts against the slider fixing frame 130. For example, as illustrated in fig. 4, an end of the abutting piece 160 facing/facing the second expansion joint 30 may abut on a side surface of the slider mount 130 facing away from the second expansion joint 30.

In a specific arrangement, in an embodiment of the present utility model, an internal thread may be provided in the through hole on the fixing beam 110, and an external thread may be provided on the abutment 160. Thus, the abutting piece 160 is in threaded connection (or may be also referred to as threaded connection) with the through hole, so that when the abutting piece 160 is screwed into the through hole (for example, screwed in the y direction in fig. 1), the end portion of the abutting piece 160 can gradually abut against the surface of the slider fixing frame 130, so that the situation that the slider fixing frame 130 moves along the extending direction of the guide hole 132 in the sliding process of the second telescopic joint 30 relative to the first telescopic joint 20 can be effectively avoided, the continuous interference between the sliding block 120 and the sliding beam is ensured, that is, the effective sliding between the sliding block 120 and the sliding beam is ensured, and the sliding friction can be effectively reduced.

In the embodiment of the present utility model, by disposing the propping member 160 on the fixed beam 110, one end of the propping member 160 is propped against the side of the slider fixing frame 130 facing away from the slider 120. In this way, after the gap between the slider 120 and the sliding beam is adjusted, the abutting piece 160 can abut against the slider fixing frame 130, so as to keep the position of the slider fixing frame 130 stable, and ensure the same gap between the slider 120 and the sliding beam.

In an alternative example of embodiment of the present utility model, a plurality of abutments 160 may be provided as shown with reference to fig. 1 and 4, wherein two abutments 160 are shown as an example in fig. 1 and 4. The plurality of abutting pieces 160 are arranged at intervals along the extending direction of the fixed beam 110. In this way, the plurality of propping pieces 160 are used for propping the slider fixing frame 130, so that the stability of propping the slider fixing frame 130 is improved.

Fig. 6 is a schematic structural view of a gap adjuster in a slider assembly according to an embodiment of the present utility model.

Referring to fig. 1, 4 and 6, in further alternative examples of embodiments of the present utility model, the slider assembly 10 further includes: the gap adjusting piece 170, the gap adjusting piece 170 is arranged between the slider fixing frame 130 and the fixing beam 110; the propping piece 160 is penetrated through the gap adjusting piece 170, and the propping piece 160 is in threaded connection with the gap adjusting piece 170; the gap adjuster 170 is adapted to control the gap between the slider 120 and the slider beam.

Specifically, in the embodiment of the present utility model, the gap adjuster 170 may be a sheet metal part. When specifically set, the gap adjuster 170 may be disposed between the slider mount 130 and the fixed beam 110; referring to fig. 4 as an example, the gap adjuster 170 may be disposed at the bottom of the U-shaped groove of the slider holder 130 of the U-shaped structure.

As shown in fig. 6, in a specific arrangement, the gap adjuster 170 may be provided with a threaded hole 171, and the abutment 160 may be connected to the gap adjuster 170 by means of a threaded connection. In other words, in the embodiment of the present utility model, the abutting piece 160 first passes through the penetration hole provided on the fixing beam 110 and then is screw-coupled with the gap adjusting piece 170; during screwing of the abutting member 160, the gap adjusting member 170 may move in a direction opposite to the y direction in fig. 1 and abut, contact or abut against a surface of the fixed beam 110 facing the sliding beam (also referred to as the gap adjusting member 170 and the fixed beam 110 in general), and at this time, the gap between the sliding block 120 and the sliding beam may be adjusted, and then the abutting member 160 may be locked by the locking member 180. In an embodiment of the present utility model, the locking member 180 may be disposed at an end of the abutment 160 facing away from the sliding beam. The locking member 180 may be a nut or a nut. When the locking member 180 locks the abutment member 160, the locking member 180 may be struggled with the fixed beam 110, and as shown in fig. 1, the locking member 180 may be struggled with the side of the fixed beam 110 facing away from the sliding beam.

In some alternative examples of the embodiment of the present utility model, referring to fig. 6, a weight-reducing hole 172 may be further provided on the gap adjuster 170, wherein the weight-reducing hole 172 may be a through hole integrally formed with the gap adjuster 170. In this way, on the one hand, the weight of the gap adjusting member 170 can be reduced, and the weight of the whole suspended maintenance platform can be reduced; on the other hand, the material of the gap adjusting member 170 can be saved, and the processing and production cost can be effectively saved.

In addition, it is understood that in the embodiment of the present utility model, a spacer may be sleeved on the abutment 160, where the spacer may be a flat pad 181 or a spring washer 182. In some alternative examples, the gasket may also be a combination of a flat pad 181 and a spring washer 182; when specifically provided, a spacer may be provided between the locking member 180 and the fixed beam 110. Like this, can promote the locking dynamics of retaining member 180, avoid sliding the in-process to appear not hard up, guaranteed the security that flexible arm used.

When the gap between the sliding block 120 and the sliding beam is adjusted, an A4 paper sheet can be filled between the sliding block 120 and the sliding beam, in the adjusting process, the abutting piece 160 can be screwed with the manual screwing force of an operator, so that the abutting piece 160 abuts against the sliding block fixing frame 130, and under the condition that the abutting piece cannot be screwed, the locking piece 180 is locked through a tool, and the A4 paper sheet can be extracted. That is, as a specific example of an embodiment of the present utility model, the gap between the slider 120 and the slide beam may be the thickness of A4 paper.

When the slider needs to be replaced, referring to fig. 1, the locking member 180 may be loosened, the fixing member 150 may be loosened, the slider holder 130 may be moved in the reverse direction indicated by the arrow y in fig. 1, the slider which needs to be replaced may be taken out of the storage space, replaced with a new slider, and the gap adjustment operation may be performed again and locked. The sliding block can be replaced conveniently.

An embodiment of the present utility model further provides a telescopic arm, including the slider assembly 10 provided in any of the foregoing embodiments of the present utility model and a plurality of telescopic joints, as shown with reference to fig. 2, where each telescopic joint of the plurality of telescopic joints except the first telescopic joint is provided with the slider assembly 10.

It should be understood that in the embodiment of the present utility model, the first expansion joint may specifically refer to an expansion joint that is fixed at the end of the expansion arm, for example, an expansion joint that abuts against the tower body.

Fig. 7 is a schematic diagram of an overall structure of a telescopic overhaul platform according to an embodiment of the present utility model.

Referring to fig. 7, the present utility model also provides a suspended maintenance platform, including the slider assembly 10 provided in any one of the foregoing embodiments of the present utility model or the telescopic arm provided in the foregoing embodiments of the present utility model.

It will be appreciated that the suspended maintenance platform provided by the embodiment of the utility model further comprises a basket body 40, wherein the basket body 40 is arranged on the telescopic joint of the telescopic arm.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. A slider assembly, comprising:

the fixed beam is used for being fixed at the front end of the first expansion joint;

the sliding block is connected with the fixed beam, and is located one side of the fixed Liang Mianxiang second expansion joint, the sliding block is suitable for being abutted to the sliding beam of the second expansion joint, and the sliding block is a plastic piece.

2. The slide assembly of claim 1, wherein a side of the slide facing the second telescopic joint is provided with a receiving groove adapted to receive a lubricant.

3. The slider assembly of claim 2 wherein the receiving slots are spaced apart along the sliding direction of the second telescopic joint, the plurality of spaced apart receiving slots being in communication with one another.

4. A slider assembly as claimed in any one of claims 1 to 3, wherein the slider comprises a first side wall and a second side wall, the first side wall abutting against a top wall of the slider beam and the second side wall abutting against a side wall of the slider beam.

5. A slider assembly as claimed in any one of claims 1 to 3, wherein the slider assembly further comprises: the sliding block fixing frame is connected to the fixing beam; the sliding block fixing frame is provided with a containing space on one side facing the second expansion joint, the sliding block is arranged in the containing space, and part of the sliding block extends out of the containing space.

6. The slider assembly of claim 5 wherein the slider assembly further comprises: the locating piece is arranged on the fixed beam, a guide hole is formed in the sliding block fixing frame, and the locating piece penetrates through the guide hole; the locating piece is sleeved with a fixing piece.

7. The slider assembly of claim 6 wherein the slider assembly further comprises: the propping piece is arranged on the fixed beam, and one end of the propping piece is propped against one side of the sliding block fixing frame, which is opposite to the sliding block.

8. The slider assembly of claim 7 wherein the slider assembly further comprises: the gap adjusting piece is arranged between the sliding block fixing frame and the fixing beam; the propping piece is arranged on the gap adjusting piece in a penetrating way and is connected with the gap adjusting piece in a threaded way; the gap adjuster is adapted to control a gap between the slider and the slide beam.

9. A telescopic arm comprising a slider assembly as claimed in any one of claims 1 to 8 and a plurality of telescopic joints, each of said telescopic joints of the plurality of telescopic joints except for the first one being provided with said slider assembly.

10. A suspended service platform comprising a slider assembly as claimed in any one of claims 1 to 8 or a telescopic arm as claimed in claim 9.