CN206041444U - Line guide device - Google Patents

Abstract

The utility model discloses a line guide device, including the box body, offer the incoming line that is used for the pipeline to get into the box body inner chamber on a set of relative wall of box body respectively and be used for the pipeline to stretch out the outlet of box body, be equipped with in the box body inner chamber radially to lay and laminate along the pipeline and be used for utilizing elasticity to exert radial motive force to the pipeline so that the radial pushing mechanism of pipeline along the restriction pipeline axial displacement that radially buckles on the pipeline side wall surface, the position that is in the position of incoming line in the box body inner chamber and is in the outlet all is equipped with and is used for guiding the pipeline to follow the guide wheel components that the pipeline is radially buckled down in radial pushing mechanism effect. Form straight nematoid incoming line and outlet on the box body for the pipeline need not the wire winding along the straight line guide, and do benefit to the two -way flexible extension of realization, exert radial motive force so that the pipeline is bent to the pipeline through radial pushing mechanism, the pipeline has owing to buckle with great ease to the flexible stroke of two -way extension, and space utilization is high.

Description

Line guide device

Technical field

The utility model is related to robot architecture's technical field, especially, is related to a kind of pipeline for industrial robot Guide.

Background technology

With the continuous development of the production automation, all kinds of sensings, control technology application it is more and more, cause execution terminal Pipeline species and quantity be also continuously increased.For most of equipment, perform terminal be not it is fixed, therefore work as Pipeline when performing terminal works thereon also will be moved therewith.

Traditional method is the collapsing length of reserved pipeline, by the active force for performing end fitting transmission in the course of work Pipeline random motion is driven, the method is as pipeline motion has uncertain and does not have additional protection, thus is only applicable to The flexible stroke of pipeline is shorter and is difficult to the mechanism for interfering, and commonly uses short life.

Recently as the continuous development of industrial robot application, its survival ability under bad working environments is obtained increasingly Many concerns, thus the pipeline bag of supporting robot application arises at the historic moment.It is most representative surely belong in Ku Ka robots it is U-shaped Pipeline box, has substantially belonged to the standard configuration on each industrial robot.But, pipeline box itself and in other automation equipments On application also have certain defect, one is that the spring in pipeline box does not have in bond, causes pipeline amplitude in telescopic process to become Change larger so as to bring potential safety hazard；Two be the inlet wire and line outlet of pipeline in side, for linear pattern inlet wire, line outlet set Coiling is needed for standby, so not only unsightly but also increase wiring space；Three be increase the flexible stroke of pipeline can only be One direction is extended, and this has limitation for the larger equipment of the limited and flexible range demands of direction in space.Afterwards Continue and occur in that in succession some new pipeline boxes for these technological deficiencies research and development.

Although pipeline box technology is more and more ripe in the utilization that robot is performed in terminal, but which is in automation equipment Application still have certain limitation：First, the incoming line and line outlet of pipeline box are located at one end, for some are straight straight Can there is coiling for the equipment for going out；Second, the uncertainty of sliding friction and motion of the pipeline in accommodating chamber The loss of pipeline will be increased；Third, the flexible stroke of line guide device is less than normal with own vol ratio, space availability ratio is low, And extended-travel only possesses one-way.

Utility model content

The utility model provides a kind of line guide device, to solve to be currently used for the pipe that industrial robot performs terminal Line box, incoming line and line outlet are located at one end, can there is coiling for the equipment directly gone out for some are straight；Pipeline exists The uncertainty of sliding friction and motion in accommodating chamber will increase the loss of pipeline；The flexible stroke of line guide device with from Body volume ratio is less than normal, and space availability ratio is low, and extended-travel only possesses unidirectional technical problem.

The utility model provides a kind of line guide device, including box body, is opened up on one group of relative wall of box body respectively There is the line outlet for stretching out box body for pipeline into the incoming line of box body inner chamber and for pipeline, be provided with along pipeline in box body inner chamber Radially lay and fit in and apply radial push power to pipeline so that pipeline is radially curved using elastic force Folding limits the radial push mechanism of pipeline axial movement；Position and the position in line outlet in box body inner chamber in incoming line Put and be equipped with the guide roller component for acting on lower edge pipeline bent radial for pilot line in radial push mechanism.

Further, radial push mechanism is set at least two groups, and the radial push mechanism of adjacent sets is each other along pipeline Axile displacement is arranged and along the diametrically arrangement of pipeline, to promote the S-shaped bending of pipeline.

Further, radial push mechanism include rolling be resisted against on the wall of pipeline side guide roller component, be fixed in Push rod, the sleeve group being sheathed on push rod on guide roller component and in sleeve group and it is fixed in push rod rod end and box Compression spring between internal wall.

Further, monotubular part of the sleeve group using one-level sleeve；Or sleeve group adopts one-level sleeve and two-level sleeve Nestable bitubular component；Or many cartridge modules that sleeve group is nested using multi-stage sleeve.

Further, the end cap of the spring for adjusting compression spring elastic force is additionally provided between compression spring and inboard wall of cartridge face And the mounting seat outside end cap of the spring.

Further, the direction that pushes of the push rod of radial push mechanism is provided with the push for pushing pipeline for limiting push rod Distance the backplate matched with the pipeline profile for bending.

Further, guide roller component includes the guiding wheel shaft being fixed in box body, is sheathed on drawing on guiding wheel shaft Guide bearing and the guide roller being sheathed on outside guiding bearing；The outer wheel face of guide roller is using the V-shaped groove with arc surface；Guiding Minimum bending radius of the radius of gyration of roller more than pipeline.

Further, guide between the inner ring of bearing and guiding wheel shaft and be provided with shaft block ring；Guide the outer shroud of bearing and draw Hole back-up ring is provided between guide roll wheel.

Further, guide roller component includes being held on push rod rod end and is fixed in push rod rod end by pin and nut Two pieces of connecting plates, guide wheel shaft of the build-in between two pieces of connecting plates, the guide bearing being sheathed on outside guide wheel shaft vertically And the guide roller being sheathed on outside guide bearing；V-shaped openings are constituted between the plate end of two pieces of connecting plates, guide roller is in Between v-shaped openings.

Further, connecting plate adopts fanning strip, the rolling assembly edge of guide wheel shaft, guide bearing and guide roller combination The circumference of fanning strip is distributed between v-shaped openings；The radius of the envelope formed by the guide roller between v-shaped openings is big In the minimum bending radius of pipeline.

The utility model has the advantages that：

The utility model line guide device, forms rectilinear incoming line and line outlet on box body so that pipeline edge Straight line is guided, without the need for coiling, and beneficial to realizing two-way flexible extension；By being provided near incoming line and line outlet The guide roller component of pilot line bending, applies the motive force of radial direction so that pipeline folding by radial push mechanism to pipeline Curved, the axial movement to pipeline is limited, and there is due to bending pipeline vertically and horizontally two-way extension to stretch stroke, Ke Yitong The quantity for crossing increase radial push mechanism causes pipeline to have bigger flexible stroke in box body inner chamber, and space availability ratio is high. Impact of the issuable corner angle of pipeline work corner to the pipeline life-span is eliminated by guide roller component.By roller contact The side wall guided and promotion pipeline of pipeline, pipeline motion reduce the friction to pipeline, reduction pipeline with the movement locus for determining Loss, extend the service life of pipeline.Radial push mechanism adopts elastic force as the power of motive force, with flexible stroke It is long, the characteristics of pretightning force is adjustable.

In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent Point.Below with reference to figure, the utility model is described in further detail.

Description of the drawings

The accompanying drawing for constituting the part of the application is used for providing further understanding to of the present utility model, of the present utility model Schematic description and description is used for explaining the utility model, does not constitute to improper restriction of the present utility model.In accompanying drawing In：

Fig. 1 is the structural representation of the line guide device of the utility model preferred embodiment；

Fig. 2 is the structural representation of figure pipeline driving status；

Fig. 3 is the structural representation of the guide roller component of the utility model preferred embodiment；

Fig. 4 is the structural representation of the guide roller component of the utility model preferred embodiment.

Marginal data：

1st, box body；2nd, incoming line；3rd, line outlet；4th, radial push mechanism；401st, guide roller component；4011st, connecting plate； 4012nd, guide wheel shaft；4013rd, guide bearing；4014th, guide roller；4015th, v-shaped openings；402nd, push rod；403rd, sleeve group； 4031st, one-level sleeve；4032nd, two-level sleeve；404th, compression spring；405th, end cap of the spring；406th, mounting seat；5th, guide roller group Part；501st, guiding wheel shaft；502nd, guide bearing；503rd, guide roller；504th, shaft block ring；505th, hole back-up ring；6th, pipeline；7、 Backplate；8th, pin；9th, nut；10th, tubaeform ball-joint sleeve；11st, pipe clamp.

Specific embodiment

Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be by following The multitude of different ways for limiting and covering is implemented.

Fig. 1 is the structural representation of the line guide device of the utility model preferred embodiment；Fig. 2 is that figure pipeline pulls shape The structural representation of state；Fig. 3 is the structural representation of the guide roller component of the utility model preferred embodiment；Fig. 4 is this reality With the structural representation of the guide roller component of new preferred embodiment.

As depicted in figs. 1 and 2, the line guide device of the present embodiment, including box body 1, on one group of relative wall of box body 1 The line outlet 3 for stretching out box body 1 for pipeline 6 into the incoming line 2 of 1 inner chamber of box body and for pipeline 6, box body 1 is offered respectively Being provided with inner chamber is used for applying radial push using elastic force to pipeline 6 Power is so that pipeline 6 radially bends the radial push mechanism 4 for limiting the axial movement of pipeline 6；Incoming line 2 is in 1 inner chamber of box body Position and the position in line outlet 3 be equipped with for pilot line 6 in 6 footpath of radial push mechanism 4 effect lower edge pipeline To the guide roller component 5 of bending.The utility model line guide device, forms rectilinear incoming line 2 on box body 1 and goes out Line mouth 3 so that pipeline is guided along straight line, without the need for coiling, and beneficial to realizing two-way flexible extension；By in 2 He of incoming line Line outlet 3 is nearby provided for the guide roller component 5 of pilot line bending, applies footpath by radial push mechanism 4 to pipeline To motive force so that pipeline bending, the axial movement to pipeline is limited, and pipeline has vertically and horizontally two-way due to bending The flexible stroke of extension, can cause pipeline in 1 inner chamber of box body with bigger by increasing the quantity of radial push mechanism 4 Flexible stroke, space availability ratio are high.Pipeline is eliminated by guide roller component 5 the issuable corner angle of corner are worked to pipeline The impact in life-span.By the side wall guided of roller contact pipeline and promotion pipeline, pipeline motion subtracts with the movement locus for determining Few friction to pipeline, reduces the loss of pipeline, extends the service life of pipeline.Radial push mechanism 4 adopts elastic force conduct The power of motive force, with flexible stroke length, pretightning force is adjustable the characteristics of.Alternatively, incoming line 2 and/or line outlet 3 have pipe Line moves axially regulatory function.Alternatively, incoming line 2 and/or line outlet 3 pass through tubaeform ball-joint sleeve 10 and pipe clamp 11 is carried out Regulation to the movement of pipeline axial stretching.

As depicted in figs. 1 and 2, in the present embodiment, radial push mechanism 4 is set at least two groups.The radial direction of adjacent sets is pushed away Motivation structure 4 is arranged and along the diametrically arrangement of pipeline 6 along the axile displacement of pipeline 6 each other, to promote 6 S-shaped bending of pipeline. Multigroup radial push mechanism 4 causes that pipeline 6 is S-shaped detours, with vertically and horizontally two-way expansible flexible stroke, so that pipeline exists There is in 1 space of box body bigger flexible stroke.

As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, radial push mechanism 4 includes that rolling is resisted against 6 side wall of pipeline On guide roller component 401, the push rod 402 being fixed on guide roller component 401, the sleeve group being sheathed on push rod 402 403 and in sleeve group 403 and the compression spring 404 that is fixed between 1 internal face of 402 rod end of push rod and box body.Radially Pushing mechanism 4 is resisted against pipeline using roller and realizes promoting, and to reduce the active force to pipeline 6, reduces the damage to pipeline 6 Evil, extends 6 life-span of pipeline.By sleeve group 403 and 402 stroke telescoping mechanism of push rod, and stretched using 404 stroke of compression spring The telescopic drive power of mechanism, is needed with the telescopic adjustment of self adaptation pipeline 6.

As depicted in figs. 1 and 2, in the present embodiment, alternatively, monotubular part of the sleeve group 403 using one-level sleeve 4031.Can Selection of land, the bitubular component that sleeve group 403 is nested with two-level sleeve 4032 using one-level sleeve 4031.Alternatively, sleeve group 403 is adopted The many cartridge modules being nested with multi-stage sleeve.Different sleeve groups 403 is adopted as needed can, to increase and decrease radial push mechanism 4 Linear motion stroke so that accommodation is wider.Alternatively, it is fixed by seam between sleeves at different levels and between sleeve and push rod Position.

As depicted in figs. 1 and 2, in the present embodiment, it is additionally provided with for adjusting between 1 internal face of compression spring 404 and box body The end cap of the spring 405 of 404 elastic force of compression spring and the mounting seat 406 outside end cap of the spring 405.

As depicted in figs. 1 and 2, in the present embodiment, the push direction of the push rod 402 of radial push mechanism 4 be provided with for Limit the backplate 7 for pushing distance and matching with 6 profile of pipeline for bending that push rod 402 pushes pipeline 6.

As shown in Figure 1, Figure 2 and Figure 4, in the present embodiment, guide roller component 5 includes the guide wheel being fixed in box body 1 Axle 501, the guiding bearing 502 being sheathed on guiding wheel shaft 501 and the guide roller 503 being sheathed on outside guiding bearing 502.Shape Into the flexible self adaptation rolling mechanism of pipeline is adapted to, reduces and the interaction force between pipeline and friction, extend the pipeline life-span. The outer wheel face of guide roller 503 is using the V-shaped groove with arc surface.By the V-shaped groove with arc surface ensureing pipeline stretching motion Position, prevent pipeline depart from and cause adjust telescopic adjustment failure.The radius of gyration of guide roller 503 is more than pipeline 6 most Small-bend radius.Prevent the appearance of pipeline corner angle.

As shown in Figure 1, Figure 2 and Figure 4, in the present embodiment, guide and be provided between the inner ring of bearing 502 and guiding wheel shaft 501 Shaft block ring 504.Hole back-up ring 505 is provided between the outer shroud and guide roller 503 of guiding bearing 502.

As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, guide roller component 401 includes being held on 402 rod end of push rod simultaneously Two pieces of connecting plates 4011 of 402 rod end of push rod are fixed in by pin 8 and nut 9, build-in is in two pieces of connecting plates 4011 vertically Between guide wheel shaft 4012, the guide bearing 4013 being sheathed on outside guide wheel shaft 4012 and be sheathed on outside guide bearing 4013 Guide roller 4014.V-shaped openings 4015 are constituted between the plate end of two pieces of connecting plates 4011.Guide roller 4014 is in V words Between shape opening 4015.By v-shaped openings 4015 to ensure the position of pipeline stretching motion, prevent pipeline from departing from and cause to adjust Section telescopic adjustment failure.

As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, connecting plate 4011 adopts fanning strip.Guide wheel shaft 4012, guiding The rolling assembly of bearing 4013 and the combination of guide roller 4014 is distributed between v-shaped openings 4015 along the circumference of fanning strip.V words Minimum bending radius of the radius of the envelope formed by the guide roller 4014 between shape opening 4015 more than pipeline 6.It is some The envelope formed by individual guide roller 4014 is the radius that detours of pipeline 6.It is being oriented to when so can ensure that pipeline 6 stretches Carried out with the motion mode of rolling friction on roller 4014.And in order to prevent the appearance of 6 corner angle of pipeline, require that several are led here The radius of the envelope formed by way roller 4014 should be greater than the minimum bending radius of pipeline 6.

During enforcement, a kind of S bend pipe line guide is proposed, the device adapts to the incoming line 2 of pipeline 6 with line outlet 3 not In homonymy without the need for the application requirement of coiling, and there is flexible stroke and own vol ratio is larger, space availability ratio is high, abrasion The advantages of little, life-span length, and flexible stroke can be extended in longitudinal and transverse two directions according to practical situations, versatility By force.Line guide device is as shown in figure 1, including box body 1, guide roller component 5, guide roller component 401, sleeve group 403, push away Bar 402, compression spring 404, end cap of the spring 405, tubaeform ball-joint sleeve 10 and pipe clamp 11.Wherein box body 1 is used as a whole set of dress The basis of installation is put, including lower shoe, lid, attachment screw etc..Lower shoe according to 6 feature of pipeline equipped with guide roller component 5, The parts such as guide roller component 401, backplate 7 guarantee the S-type arrangement under retracted mode of pipeline 6.Lid is mainly stretched to pipeline 6 Space in compression process is protected.

Shadow of the guide roller component 5 mainly for the issuable corner angle of the elimination work of pipeline 6 corner to 6 life-span of pipeline Ring.As shown in figure 4, mainly including that guide roller 503, guiding wheel shaft 501, guiding bearing 502 and shaft block ring 504 and hole are used Back-up ring 505 etc..Wherein, the roller working face of guide roller 503 be circle V slot structures, be eliminate turning, it is desirable to its own time Turn the minimum bending radius that radius should be greater than pipeline 6.Guide roller 503 is used by guiding bearing 502 and shaft block ring 504 and hole Back-up ring 505 is arranged on guiding wheel shaft 501.When pipeline 6 is around 503 external surface work of guide roller, to ensure pipeline 6 and roller Between act as rolling friction so as to extend the life-span of pipeline 6.

Guide roller component 401 is led as shown in figure 3, being disposed with several between the V-groove that two connecting plates 4011 are constituted To wheel shaft 4012.An orienting roll is provided with by positioning modes such as guide bearing 4013, spacer, back-up rings on each guide wheel shaft 4012 Wheel 4014.The envelope formed by several guide rollers 4014 is the radius that detours of pipeline 6.Pipeline 6 can so be ensured Carried out with the motion mode of rolling friction on guide roller 4014 when flexible.And in order to prevent the appearance of 6 corner angle of pipeline, here It is required that the radius of the envelope formed by several guide rollers 4014 should be greater than the minimum bending radius of pipeline 6.

401 connection end of guide roller component is provided with pin 8 and the nut 9 supporting with pin 8, is mainly used in and push rod 402 It is connected and fastens.And push rod 402 and two-level sleeve 4032, two-level sleeve 4032 and one-level sleeve 4031 by face of cylinder cooperation and Seam positioning two grades of telescoping mechanisms of composition.Two grades of telescoping mechanisms are connected in the mounting seat 406 of box body 1, a built-in compression spring 404 provide a pretightning force for making 6 S-type arrangement of pipeline when pipeline 6 is in retracted mode；And in order to eliminate foozle and Meet the pretension characteristic of different pipelines 6, be provided with an end cap of the spring 405 in mounting seat 406 and can realize this function.

When pipeline 6 is needed elongation by external force effect, two grades of telescoping mechanisms are by constantly compression internal compression spring 404 Retract, internal pipeline 6 gradually changes to the longitudinal linear pattern under elongation state from the S types under compressive state, suffered by pipeline 6 Spring-return power is also increasing, as long as any time point external force in the course of work disappears, then pipeline 6 is in spring-return power To retract again under effect S-type arrangement in box body 1.When shown in Fig. 2, as pipeline 6 is stretched to maximum length inside box body 1 The working condition of mechanism, under the maximal dilation stroke as compressive state of box body 1, S types length is straight with longitudinal direction under maximum elongation state The difference of line style length.

The utility model line guide device has the conllinear profile interface of incoming line 2,3 heteropleural of line outlet, space utilization The advantages of little, long service life that rate is big, pipeline 6 weares and teares；It is also equipped with following 2 points of expanded functions：

One, the collapsing length reality that in order to extend flexible stroke, both can increase two grades of telescoping mechanisms in a lateral direction It is existing, it is also possible to increase one or more groups of two grades of telescoping mechanisms in a longitudinal direction and realize；

Second, performing the different mounting interface of terminal to meet automation equipment, incoming line 2 and line outlet 3 can also It is modified according to particular location, the issuable corner angle but to elimination pipeline 6 detours, at incoming line 2 and line outlet 3 Guide roller component 5 also needs to move.

The utility model line guide device, some bag of pipeline 6 incoming lines 2 using in of effectively solving are conllinear with line outlet 3 Without the need for the problem of coiling；Have the advantages that flexible stroke is larger with own vol ratio, space availability ratio is high；The motion tool of pipeline 6 There is the movement locus of determination, and reduce the abrasion of pipeline 6 in the form of rolling friction, extend the service life of pipeline 6；Stretch Indention journey has the extended mode of longitudinal and transverse two directions, can adapt to the space arrangement requirement of different operating modes；Line guide device Interface shape is not unique, can be designed according to specific requirement, its wide accommodation, highly versatile.

The utility model line guide device, meets the demand of incoming line 2 and 3 heteropleural of line outlet without the need for coiling of pipeline 6. The S types of line guide device detour mechanism, so that pipeline 6 has larger flexible stroke in certain space.With longitudinal and transverse The expansible flexible stroke of both direction, and into and out of line interface can designed, designed adjust function.During elimination pipeline 6 detours Issuable corner angle problem, and be lost with the motion mode reduction pipeline 6 of rolling friction.Constituted with the cylindrical envelope of roller The radius that detours be oriented to, and pipeline 6 reduced with the motion mode of rolling friction wear and tear.Two-level spring telescoping mechanism, has Flexible stroke length, the characteristics of pretightning force is adjustable.

Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. are should be included within protection domain of the present utility model.

Claims (10)

1. a kind of line guide device, including box body (1),

Offer the inlet wire for entering the box body (1) inner chamber for pipeline (6) on one group of relative wall of box body (1) respectively Mouthful (2) and the line outlet (3) of the box body (1) is stretched out for pipeline (6),

Characterized in that,

Being provided with box body (1) inner chamber is used for utilizing elastic force Radial push power is applied to pipeline (6) so that pipeline (6) radially bends the radial push mechanism for limiting that pipeline (6) is moved axially (4)；

Position in box body (1) inner chamber in the incoming line (2) and the position in the line outlet (3) are equipped with The guide roller component (5) of lower edge pipeline (6) bent radial is acted on for pilot line (6) in described radial push mechanism (4).

2. line guide device according to claim 1, it is characterised in that

Radial push mechanism (4) are set at least two groups,

Radial push mechanism (4) of adjacent sets are arranged and along the radial direction phase of pipeline (6) along the axile displacement of pipeline (6) each other To arrangement, to promote the S-shaped bending of pipeline (6).

3. line guide device according to claim 1, it is characterised in that

Radial push mechanism (4) are resisted against the guide roller component (401) on the wall of pipeline (6) side, affixed including rolling In the push rod (402) on guide roller component (401), the sleeve group (403) being sheathed on the push rod (402) and set Compression spring that is interior in sleeve group (403) and being fixed between the push rod (402) rod end and the box body (1) internal face (404)。

4. line guide device according to claim 3, it is characterised in that

The monotubular part of described sleeve group (403) using one-level sleeve (4031)；Or

The bitubular component that described sleeve group (403) are nested with two-level sleeve (4032) using one-level sleeve (4031)；Or

Many cartridge modules that described sleeve group (403) are nested using multi-stage sleeve.

5. line guide device according to claim 3, it is characterised in that

It is additionally provided between compression spring (404) and the box body (1) internal face for adjusting the compression spring (404) bullet The end cap of the spring (405) of power and be located at the end cap of the spring (405) mounting seat (406) outward.

6. the line guide device according to any one of claim 3 to 5, it is characterised in that

The push direction of the push rod (402) of radial push mechanism (4) is provided with and pushes away for limiting the push rod (402) Send the backplate (7) for pushing distance and matching with pipeline (6) profile for bending of pipeline (6).

7. line guide device according to any one of claim 1 to 5, it is characterised in that

Described guide roller component (5) include the guiding wheel shaft (501) being fixed in the box body (1), are sheathed on the guiding Guiding bearing (502) on wheel shaft (501) and it is sheathed on guiding bearing (502) guide roller (503) outward；

The outer wheel face of guide roller (503) is using the V-shaped groove with arc surface；

Minimum bending radius of the radius of gyration of guide roller (503) more than pipeline (6).

8. line guide device according to claim 7, it is characterised in that

Shaft block ring (504) is provided between the inner ring of guiding bearing (502) and the guiding wheel shaft (501)；

Hole back-up ring (505) is provided between the outer shroud and the guide roller (503) of guiding bearing (502).

9. the line guide device according to any one of claim 3 to 5, it is characterised in that

Described guide roller component (401) are included being held on the push rod (402) rod end and are consolidated by pin (8) and nut (9) Be connected to the push rod (402) rod end two pieces of connecting plates (4011), vertically build-in between two pieces connecting plate (4011) Guide wheel shaft (4012), be sheathed on the outer guide bearing (4013) of the guide wheel shaft (4012) and be sheathed on the guiding Bearing (4013) guide roller (4014) outward；

V-shaped openings (4015) are constituted between the plate end of two pieces connecting plate (4011),

Described guide roller (4014) are between the v-shaped openings (4015).

10. line guide device according to claim 9, it is characterised in that

Connecting plate (4011) adopt fanning strip,

The rolling assembly edge that guide wheel shaft (4012), the guide bearing (4013) and the guide roller (4014) are combined The circumference of the fanning strip is distributed between the v-shaped openings (4015)；

The radius of the envelope formed by the guide roller (4014) between v-shaped openings (4015) is more than pipeline (6) minimum bending radius.