Line pipe groove, line pipe conveying device and high-altitude operation equipment
Technical Field
The invention belongs to the technical field of overhead working equipment, and particularly relates to a pipeline groove, a pipeline conveying device and overhead working equipment.
Background
The aerial work equipment is special equipment for lifting workers and machine equipment to an aerial designated position so as to perform operations such as installation, maintenance, rescue and the like, such as a climbing fire truck, a straight arm aerial work platform, a crank arm aerial work platform, a scissor type aerial work platform, an aerial work truck and the like, and a drag chain mechanism is currently commonly adopted to realize the transportation of a hydraulic pipeline and a control cable by a vehicle on/off, however, in the motion process of the drag chain, a suspension state can be generated, and deformation is caused under the action of the gravity of the hydraulic pipeline and the cable inside the drag chain so as to destroy the pipeline inside the drag chain.
Chinese patent CN200820052092.8 discloses a telescopic drag chain mechanism, which comprises components of the existing drag chain mechanism such as drag chain, bracket, conduit, arm support i, arm support ii, arm support iii, etc., wherein one end of the drag chain is fixed at the right end of the bracket, and one end of the conduit is fixed on the arm support iii. The arm I is provided with a guide rail, the guide rail is provided with a sleeve capable of moving on the guide rail, the other end of the sleeve is fixed on the arm support II, the other end of the drag chain penetrates through the sleeve and is then fixed on the guide pipe, and the other end of the guide pipe can move in the sleeve. Although the invention solves the failure problem caused by suspension deformation of the drag chain, the abrasion problem is generated at the same time, the drag chain slides in the sleeve, and the abrasion is easy to generate, thereby causing failure; and the parts are more, the structure is complex, and the cost is high.
Chinese patent CN207701681U discloses a telescopic arm drag chain mechanism, which comprises a first arm support, a middle arm support, a tail end arm support and a driving device, wherein a first pipeline slot is fixed on the first arm support, a tail end pipeline slot is fixed on the tail end arm support, a drag chain is connected between the first pipeline slot and the tail end pipeline slot, pipelines are arranged in the first pipeline slot, the drag chain and the tail end pipeline slot, the middle arm support and the tail end arm support can move and be positioned between a retracted position and an extended position under the driving of the driving device, and the telescopic arm drag chain mechanism is characterized in that the telescopic arm drag chain mechanism also comprises a drag chain support member, the drag chain support member is fixed on the middle arm support member, and when the middle arm support member is positioned at the extended position, the drag chain is positioned at the drag chain support member; this patent has the following problems: 1. the pipeline groove is supported by two ends only, so that the rigidity is poor; 2. the middle section of the drag chain is not limited at two sides, and the drag chain possibly runs out of the range of the pipe groove in the running process; 3. the drag chain is connected with the telescopic boom frame in a rigid connection manner, so that the stress is high; 4. the pipeline groove is matched with the supporting piece, so that pipeline transportation and drag chain supporting are completed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the spool groove with the special-shaped section, which can be stacked in multiple stages without occupying space (is particularly suitable for a multi-stage arm), integrates the spool groove and the supporting piece into a whole so as to have various combination modes, and realizes up-down, left-right limiting through the sliding block.
The invention aims at realizing the following technical scheme:
The utility model provides a line pipe groove, including tow chain chamber and the pipeline chamber that upper and lower interval set up, tow chain chamber internal surface mutually perpendicular forms first slide rail face, the both ends are equipped with the slide rail that protrudes in the pipeline chamber about the tow chain chamber outside, slide rail surface mutually perpendicular forms the second slide rail face, the line pipe groove carries out multistage stack on the cantilever crane through the cooperation of first slide rail face and second slide rail face and slider, carries the pipeline to the cantilever crane top through the tow chain.
Further, in order to strengthen the structural strength of the pipeline groove, a reinforcing rib is arranged between the sliding rail protruding out of the pipeline cavity and the pipeline cavity.
Further, in order to prevent the drag chain from being blocked in the drag chain cavity after being deformed and not working normally, the upper end of the drag chain cavity is of an opening structure.
Further, in order to save cost, the inside of the sliding rail is a hollow cavity.
The invention further aims to provide a pipeline conveying device comprising the pipeline groove, which comprises a pipeline, a drag chain, a first pipeline groove arranged on a first arm and a guide pipe moving along with a telescopic arm and conveying the pipeline to the top of an arm support, wherein a second pipeline groove is further arranged between the guide pipe and the first pipeline groove, the second pipeline groove and the guide pipe are overlapped and relatively slide through sliding blocks arranged on a first slide rail surface and a second slide rail surface, and two ends of the drag chain are respectively connected to a pipeline outlet of the first pipeline groove and a pipeline inlet of the guide pipe, and extend along with the guide pipe and slide on the first slide rail surface in a drag chain cavity.
Further, the first line pipe groove, the second line pipe groove and the guide pipe are all provided with fixed brackets for being installed on the arm support.
Further, the second wire tube groove and the guide tube further comprise a rotating support, one end of the rotating support is rotatably connected with the fixed support, and the other end of the rotating support is used for being fixed on the telescopic arm support.
Further, a guiding mechanism is further arranged at the entrance of the drag chain cavity of the second wire pipe groove and used for guiding the drag chain and limiting the height of the drag chain.
The central line pipe groove is overlapped on the arm support in a multistage manner through the matching of the first slide rail surface, the second slide rail surface and the sliding block, and has various combination modes, and the method comprises the following steps of:
further, a first sliding block is fixed on the first sliding rail surface of the first wire pipe groove, and the second wire pipe groove slides in the first sliding block.
Further, one end of the second spool groove, which is close to the first spool groove, is also connected with a first sliding support, two sides in the first sliding support are connected with second sliding blocks, and the second sliding blocks are clamped on the first sliding rail surface of the first spool groove to slide.
Further, a third sliding block is further arranged at one end, close to the guide pipe, of the second spool groove, the third sliding block is fixed in the first sliding rail surface, the guide pipe slides in the third sliding block, and the guide pipe is limited to move up and down and left and right through the third sliding block.
Further, one end of the guide pipe, which is close to the second line pipe groove, is also connected with a second sliding support, two sides in the second sliding support are connected with fourth sliding blocks, and the fourth sliding blocks are clamped on the first sliding rail surface on the second line pipe groove to slide.
The invention can also be applied to telescopic structures of different numbers of telescopic components, and is specifically as follows:
At least one third pipeline groove is arranged below the first pipeline groove and provided with a corresponding number of drag chains, one third pipeline groove is fixed on the first arm, the other third pipeline groove is fixed on the telescopic arm and stretches out and draws back along with the telescopic arm, and the adjacent third pipeline groove, the third pipeline groove and the first pipeline groove are overlapped and relatively slide through the sliding blocks arranged on the first slide rail surface and the second slide rail surface.
The invention can also replace the conduit for installing the pipeline with the pipeline slot, namely, all the conduit slots are adopted for superposition, thereby realizing the transportation of the pipeline and the installation and support of the drag chain, and the invention is as follows:
The guide pipe is replaced by a fourth wire pipe groove, the fourth wire pipe groove and the second wire pipe groove are overlapped and relatively slide through the sliding blocks arranged on the first sliding rail surface and the second sliding rail surface, and a drag chain is fixed at the inlet of a pipeline cavity of the fourth wire pipe groove.
Another object of the present invention is to provide an aerial working device comprising the pipeline transportation device.
Compared with the prior art, the beneficial effects are that:
the wire pipe groove integrates the wire groove and the supporting piece of the drag chain, has the functions of mounting, conveying and supporting the drag chain, achieves multistage superposition on the arm support through the cooperation of the first slide rail surface and the second slide rail surface and the sliding block, is limited by the sliding block from top to bottom, conveys the pipeline to the top of the arm support through the drag chain, is suitable for telescopic arm structures of three sections of arms or more than three sections of arms, and has smaller superposition height than that of a rectangular guide pipe (wire groove) and small occupied space.
The wire tube groove can also be matched with the current rectangular guide tube, and the rectangular guide tube is matched with the sliding blocks arranged on the first sliding rail surface and the second sliding rail surface, so that the rectangular guide tube is overlapped on the wire tube groove and slides in a telescopic manner relative to the wire tube groove, and is limited by the sliding blocks up, down, left and right.
The drag chain slides on the first sliding rail surface in the drag chain cavity and is matched with the sliding block arranged on the second sliding rail surface, the drag chain is limited up, down, left and right in the allowed movement space, the phenomenon of falling out of the operation range can not occur, the drag chain in the prior art usually slides directly on the rectangular guide pipe, the two ends of the drag chain are not limited, and the drag chain possibly runs out of the rectangular guide pipe range in the operation process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic diagram of a conduit groove structure according to embodiment 1.
Figure 2 example 1 spool groove cross-section.
Fig. 3 is a schematic structural diagram of the pipeline transportation apparatus (with boom deployed state) in embodiment 2.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged view of part B of fig. 3.
Fig. 6 is an enlarged view of part C of fig. 3.
Fig. 7 is an enlarged view of part D in fig. 3.
Fig. 8 is a schematic structural diagram of the pipeline transportation apparatus (the boom-following contracted state) in embodiment 2.
Fig. 9 is an enlarged view of part B of fig. 8.
Fig. 10 is an enlarged view of part C of fig. 8.
Fig. 11 is a first schematic illustration of the second wire channel superimposed with the catheter in example 2.
Fig. 12 is a second schematic view of the second wire channel superimposed with the catheter in example 2.
Fig. 13 is a first schematic diagram of the first line groove and the second line groove in embodiment 2.
Fig. 14 is a second schematic diagram of the first line groove and the second line groove in embodiment 2.
Fig. 15 is a schematic view of the structure of a four-arm pipeline transportation device in embodiment 3.
Fig. 16 is a schematic view showing the structure of a pipeline transportation device with five arms in embodiment 3.
Fig. 17 is a schematic view of the pipeline transportation apparatus of embodiment 4.
Fig. 18 is a sectional view of H-H in fig. 17.
Fig. 19 is a sectional view of G-G in fig. 17.
FIG. 20 is a cross-sectional view E-E of FIG. 17.
The device comprises a 1-catheter, a 2-second wire tube groove, a 3-first wire tube groove, a 4-third rotating support, a 5-third fixed support, a 6-first slider, a 7-first sliding support, an 8-second slider, a 9-drag chain, a 10-guide wheel support, an 11-guide wheel, a 12-second rotating support, a 13-second fixed support, a 14-third slider, a 15-second sliding support, a 16-fourth slider, a 17-first fixed support, a 18-drag chain cavity, a 19-pipeline cavity, a 20-first slide rail surface, a 21-slide rail, a 22-second slide rail surface, a 23-reinforcing rib, a 24-third wire tube groove, a 25-second drag chain and a 26-fourth wire tube groove.
Detailed Description
The present invention will now be described further in connection with the following detailed description, wherein the drawings are for purposes of illustration only and are not intended to be limiting; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1-2, the present embodiment provides a spool groove, which includes a drag chain cavity 18 and a pipeline cavity 19 that are disposed at an upper-lower interval, wherein the inner surface of the drag chain cavity 18 is mutually perpendicular to form a first slide rail surface 20, two ends of the outer side of the drag chain cavity 18 are provided with slide rails 21 protruding from the pipeline cavity 19, the outer surfaces of the slide rails 21 are mutually perpendicular to form a second slide rail surface 22, and the lower surface of the drag chain contacts with the first slide rail surface and slides on the first slide rail surface.
In this embodiment, in order to strengthen the structural strength of the conduit groove, a reinforcing rib 23 is disposed between the sliding rail 21 protruding from the pipeline chamber 19 and the pipeline chamber 19.
In this embodiment, the upper end of the drag chain cavity 18 has an opening structure, so as to prevent the drag chain from being blocked in the drag chain cavity after being deformed and from not working normally.
The support piece collection of wire casing and tow chain is integrative to the spool groove of this embodiment, possesses pipeline installation simultaneously and carries and tow chain support function, through the cooperation of first smooth rail face and second smooth rail face and slider, realizes multistage stack on the cantilever crane to receive the slider spacing about from top to bottom, carry the pipeline to the cantilever crane top through the tow chain, be applicable to telescopic arm structure more than three sections arm or three sections arm, and the stack height is than rectangular conduit (wire casing) height little, occupation space is little.
The spool groove of this embodiment can also cooperate with present rectangle pipe, and rectangle pipe cooperates with the slider that sets up on first slide rail face and second slide rail face for rectangle pipe stack is on the spool groove and relative spool groove flexible slip, and receives the slider spacing about from top to bottom.
In the implementation, the drag chain slides on the first sliding rail surface in the drag chain cavity, and is matched with the sliding block arranged on the second sliding rail surface, so that the phenomenon of falling out of the operation range can not occur in the allowed movement space in a vertical and horizontal mode, the drag chain in the prior art usually slides on the rectangular guide pipe directly, the two ends of the drag chain are not limited, and the drag chain possibly runs out of the rectangular guide pipe range in the operation process.
The section of the spool groove of the embodiment is of a special-shaped structure, the rigidity is larger than that of a common rectangular conduit, and the deformation is small.
To sum up, the central line pipe groove of this embodiment not only possesses pipeline installation and carries and tow chain support function simultaneously, has direction and spacing function simultaneously, cooperates different sliders on first slide rail face and second slide rail face, can realize that line pipe groove and line pipe groove stack, line pipe groove and current rectangle pipe stack.
Example 2
As shown in fig. 3 to 14, this embodiment provides a pipeline conveying device including the pipeline groove described in embodiment 1, which includes a pipeline, a drag chain 9, a first pipeline groove 3 disposed on a first arm, and a conduit 1 moving with a telescopic arm and conveying the pipeline to the top of a boom, wherein a second pipeline groove 2 is further disposed between the conduit 1 and the first pipeline groove 3, and between the first pipeline groove 3 and the second pipeline groove 2, and between the second pipeline groove 2 and the conduit 1, the drag chain 9 is disposed in drag chain cavities 18 of the first pipeline groove 3 and the second pipeline groove 2, and slides in the first track surface 20, one end of the drag chain 9 is connected with the pipeline in the pipeline cavity 19 of the first pipeline groove 3, and the other end is connected with the pipeline in the conduit 1.
In this embodiment, the first wire pipe groove 3, the second wire pipe groove 2 and the guide pipe 1 are provided with fixing brackets for being mounted on the arm support, which are respectively a first fixing bracket 17, a second fixing bracket 13 and a third fixing bracket 5, and since the first wire pipe groove 3 is fixed on the first arm by the first fixing bracket 17, a plurality of first fixing brackets 17 can be provided for multi-point support in order to reduce the shaking deformation phenomenon; considering that the second wire tube slot 2 and the guide tube 1 move telescopically with the arm support, if connected rigidly, the stress is larger, and therefore, the second fixing bracket 13 and the third fixing bracket 5 are also connected with the second rotating bracket 12 and the third rotating bracket 4 and rotate around the supporting shaft of the rotating bracket.
The entrance of the drag chain cavity 18 of the second wire pipe groove 2 is further provided with a guiding mechanism, and the guiding mechanism comprises a guide wheel bracket 10 fixed on the second wire pipe groove 2 and a guide wheel 11 arranged on the guide wheel bracket 10 and is used for guiding the drag chain 9 and limiting the height of the drag chain 9.
The mode of mutual superposition between the line pipe groove and between the line pipe groove and the guide pipe in the embodiment is specifically as follows:
As shown in fig. 13, the first slider 6 is fixed to the first rail surface 20 of the first wire pipe groove 3, and the specific position of the first slider 6 is set at a position close to the second wire pipe groove 2, and the second wire pipe groove 2 slides in the first slider 6.
As shown in fig. 14, one end of the second wire tube slot 2, which is close to the first wire tube slot 3, is further connected with a first sliding bracket 7, two sides in the first sliding bracket 7 are connected with second sliding blocks 8, the second sliding blocks 8 are clamped on sliding rails 21 of the first wire tube slot 3 and slide on second sliding rail surfaces 22 of the sliding rails 21, and in addition, the second sliding blocks 8 also limit the up-down and left-right movement of the second wire tube slot 2.
As shown in fig. 11, a third slide block 14 is further arranged at one end, close to the guide pipe 1, of the second wire pipe groove 2, the third slide block 14 is fixed in the first slide rail surface 20, a specific position of the third slide block 14 is arranged at a position, close to the guide pipe 1, the guide pipe 1 is overlapped with the third slide block 14, and slides in the third slide block 14, and the third slide block 14 limits the guide pipe 1 to move up and down and left and right.
As shown in fig. 12, one end of the catheter 1, which is close to the second wire tube groove 2, is further connected with a second sliding support 15, two sides in the second sliding support 15 are connected with fourth sliding blocks 16, the fourth sliding blocks 16 are clamped on sliding rails 21 on the second wire tube groove 2 and slide on second sliding rail surfaces 22 of the sliding rails 21, and in addition, the fourth sliding blocks 16 limit the up-down and left-right movement of the catheter 1.
Referring specifically to fig. 3 to 14, the present embodiment further provides an aerial working device including the pipeline transportation device, the aerial working device including a first arm, a second arm, and a third arm, the installation of the pipeline transportation device being as follows:
The first bobbin groove 3 is fixed on the first arm (first arm) in a multi-point supporting manner by a plurality of first fixing brackets 17; one end of the second wire tube groove 2 is rotatably fixed on the second joint arm through a second fixed bracket 13 and a second rotary bracket 12, and the other end slides on the first wire tube groove 3 through a first sliding block 6 and a second sliding block 8 in the first sliding bracket 7; one end of the catheter 1 is rotatably fixed on the third section arm through a third fixed bracket 5 and a third rotary bracket 4, and moves along with the third section arm in a telescopic way, and the other end slides on the second wire tube groove 2 through a third sliding block 14 and a fourth sliding block 16 in a second sliding bracket 15.
In this embodiment, one end of the drag chain 9 is fixed in the drag chain cavity 18 of the first pipe groove 3, the specific position is in the pipeline outlet direction (the pipeline cavity outlet of the first pipe groove 3) closest to the first arm, and the other end is connected with the pipeline inlet direction of the conduit 1 through the drag chain cavity 18 of the second pipe groove 2 and slides telescopically along with the conduit 1; the lower surface of the drag chain 9 contacts the first rail surface 20 and slides on the first rail surface 20.
In this embodiment, the pipeline enters from one end of the pipeline cavity of the first pipeline groove 3, enters the drag chain 9 from the other end, and enters the guide pipe 1 again through the drag chain 9, and finally is conveyed to the top of the arm support.
Example 3
The embodiment is basically the same as embodiment 2, except that at least one third wire pipe groove is arranged below the first wire pipe groove and is provided with a corresponding number of drag chains, one third wire pipe groove is fixed on the first arm, the other third wire pipe groove is fixed on the telescopic arm (the second arm and above) and stretches out and draws back along with the telescopic arm, and adjacent third wire pipe grooves and the third wire pipe groove and the first wire pipe groove are overlapped and relatively slide by arranging sliding blocks on the first slide rail surface and the second slide rail surface.
Wherein, the number of the third pipeline slots and the drag chains is set according to the number of the joints of the arm support, taking four-joint arms as an example, as shown in fig. 15, a third pipeline slot 24 and a second drag chain 25 are added at the lower part of the first pipeline slot 3; the third wire duct 24 is fixed on the first arm by a plurality of fixing brackets, one end of the first wire duct 3 is rotatably fixed on the second arm by the fixing brackets and the rotating brackets, and the other end is overlapped on the third wire duct 24 to slide in the manner of fig. 13 and 14 in embodiment 2, and not described in detail here; one end of the second drag chain 25 is fixed in the drag chain cavity of the third pipe groove 24, the specific position is in the pipeline outlet direction (the pipeline cavity outlet of the third pipe groove 24) closest to the first arm, and the other end is connected with the first pipe groove 3 to slide along with the first pipe groove 3 in a telescopic manner; the lower surface of the second drag chain 25 is contacted with the first sliding rail surface of the third pipe groove 24 and slides on the first sliding rail surface; the second wire groove 2 and the catheter 1 are respectively connected and fixed to the third arm section and the fourth arm section in the same manner as in example 2.
As shown in fig. 16, for the arm support of the five-section arm, two third wire pipe slots a and B are specifically provided, wherein one third wire pipe slot a is fixed on the first section arm, the other third wire pipe slot B is fixed on the second section arm with reference to the first wire pipe slot 3 in the four-section arm, and is provided between the third wire pipe slot a and the first wire pipe slot, two ends of the second drag chain are respectively provided on the first wire pipe slot and the third wire pipe slot a, and the third wire pipe slot B is used for supporting the second drag chain; the other structures are correspondingly arranged on the third section, the fourth section and the fifth section of arms, and the connection mode and the fixing structure are kept unchanged.
As for the arm rest arrangement of five or more sections, the person skilled in the art can make settings with reference to four-section arms and five-section arms, which are not illustrated in detail here.
The multistage superposition is carried out on the arms with more than four sections through the wire pipe groove, the superposition height is smaller than the height of the rectangular guide pipe (wire groove), the occupied space is small, the key is that the wire pipe groove is adopted for supporting the drag chain and installing the wire pipe, the modularized installation is realized, and the production and the maintenance of parts are convenient.
Example 4
As shown in fig. 17 to 20, this embodiment is basically the same as embodiment 2, except that the conduit 1 in embodiment 2 is replaced with a fourth wire groove 26, one end of the fourth wire groove 26 is rotatably fixed to the third arm by a movable bracket and a fixed bracket, and moves telescopically with the third arm, and the other end slides over the second wire groove by being overlapped with a slider as shown in fig. 18 and 20 (refer to the overlapping manner between the second wire groove and the first wire groove in embodiment 2, which will not be described in detail here), and one end of the drag chain 9 is fixed in the drag chain cavity 18 of the first wire groove 3, specifically, in the direction closest to the pipeline outlet of the first wire groove 3, and the other end is fixed to the pipeline cavity inlet of the fourth wire groove 26 by the drag chain cavity 18 of the second wire groove 2, so that the pipeline in the drag chain 9 is in butt joint with the pipeline cavity of the fourth wire groove 26, and the pipeline in the drag chain 9 is conveniently conveyed into the pipeline cavity of the fourth wire groove 26.
In this embodiment, because the wire pipe groove is integrated with the support piece of wire casing and tow chain, possess pipeline installation and carry simultaneously and tow chain support function, consequently, can directly replace into the pipe, first wire pipe groove plays the effect of installing the pipeline and supporting spacing tow chain this moment, the second wire pipe groove plays the effect of supporting spacing tow chain, fourth wire pipe groove replacement pipe plays the effect of installing the pipeline, overlap and slide relatively through setting up the slider on first smooth rail face and second smooth rail face between a plurality of wire pipe grooves, need not to dispose the pipe of installing the pipeline, support the bracket of tow chain again alone, realize universalization and the modularization of a spare part, can realize extensive production, and easy maintenance.
It is apparent that the above examples are only examples for clearly illustrating the technical solution of the present invention, and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.