CN201799855U

CN201799855U - Double-layer-sleeved telescopic guide rail system

Info

Publication number: CN201799855U
Application number: CN2010202294204U
Authority: CN
Inventors: 朱建彬; 邢慧勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-21
Filing date: 2010-06-21
Publication date: 2011-04-20
Anticipated expiration: 2020-06-21

Abstract

A double-layer-sleeved telescopic guide rail system comprises an internal supporting pipe system, an external sleeve gasket pipe, a work sleeve, a guide rail extension and retraction driving lead screw, a gear rack, a driving motor, and the like. After the guide rail system extends, a continuous rack-track in step staggered layout is formed on the outer surface of all sections, and the two ends of the rack-track are overlapped slightly and the teeth tops are propped against the same plane; and the work sleeve can conduct continuous reciprocating linear motion along a guide rail laid outside the sleeve gasket pipe after the gear of the work sleeve and the rack-track are meshed with each other. By adopting the smart design and the coordination of the internal supporting pipe and the external sleeve gasket pipe, the telescopic guide rail system is provided to solve the inherent problems that a telescopic structure gets thinner and thinner and the track plane is lower and lower, and the problem on the retraction and layout of the gear rack after a bearing pipeline retracts. The guide rail system can extend and retract in a large range, is simple to drive, has accurate data, is very suitable for environments with limited space and occasions requiring frequent carry, and can meet demands on automatic control.

Description

A kind of double-deck intussusception telescopic rail system

Technical field

The utility model relates to a kind of double-deck intussusception telescopic rail system, after stretching out, the inner support pipe forms the supporter of guide track system, outside sleeve gasket pipe elongation back forms the rack-track of a continuous tooth top in same plane at each section joint outer surface, the wheel and rack track of working cell is meshed, and the guide rail of dynamically laying along outside sleeve gasket pipe does reciprocating linear motion.

Background technology

In numerical control device, realize the rectilinear motion on certain direction, such as rectilinear motion, just a guide rail need be arranged on this direction along x axle, y axle, z axle, carry working cell linear reciprocating motion back and forth thereon.But in the environment of limited space, the time marquis that uses of this guide rail launches if desired, the marquis can withdraw when no, take up room with minimizing, be convenient to carrying transfer or implementation space and cross, because this demand not only relates to the flexible of guide supporting body itself, also relate to the flexible of orbit of guide rail and rack-track, technical sophistication realizes difficulty, does not all also see on the market, on the data, on the medium or hears such technology and product.

Summary of the invention

The purpose of this utility model is to provide a kind of double-deck intussusception telescopic rail system, this guide track system can provide the orbit of guide rail that allows the working cell do linear reciprocating motion in flexible mode, and the flexible scope of work is big, convenient carrying and carrying can respond and accurately control fast.In order to reach this target, the technical solution of the utility model is achieved in that

A kind of double-deck intussusception telescopic rail system is made up of inner support guard system 1, outside sleeve gasket pipe 2, working column 3, guide rail telescopic drive leading screw 4, tooth bar 5, leading screw rotating drive wheel 6, leading screw rotational drive motor 7, working column driven wheel 8, gear fixed mount 9, working column drive motors 10; Wherein inner support guard system 1 comprises fixed support tube 1-1, standard support pipe 1-2, minor details stay pipe 1-3, stopping means 1-4, bearing arrangement 1-5, nut 1-6, and standard support pipe 1-2 can be a joint or a more piece; Outside sleeve gasket pipe 2 adopts a joint or a more piece according to the joint number of standard support pipe 1-2; The structural relation of each part mentioned above is: fixed support tube 1-1 is fixedly mounted on the carrier, and accurate stay pipe 1-2 of each feast-brand mark and minor details stay pipe 1-3 can be thereon stretch out among the joint stay pipe inner chamber or withdraw; Fixed support tube 1-1 initiating terminal is fixed with bearing arrangement 1-5, and standard support pipe 1-2, minor details stay pipe 1-3 initiating terminal fixed installation stopping means 1-4 are equipped with nut 1-6 among the stopping means 1-4; Fixed support tube 1-1 external stability has tooth bar 5, and minor details stay pipe 1-3 the same side outer surface also is fixed with tooth bar 5; The outside outside sleeve gasket pipe of a joint of installing of the accurate stay pipe 1-2 of each feast-brand mark, the outside outside sleeve gasket pipe of a joint of installing of minor details stay pipe 1-3; Last one of the standard support pipe 1-2 at outside sleeve gasket pipe 2 and its place saves the stay pipe internal diameter and external diameter equates, can be in the standard support pipe 1-2 at place slide outside; Each saves outside sleeve gasket pipe and can be thereon stretches out among the outside sleeve gasket tube cavity of a joint or withdraw; There is synchronization blocks 11 the outside sleeve gasket pipe of every joint 2 terminal outsides; Outside sleeve gasket pipe 2 all is fixed with tooth bar 5 with fixed support tube 1-1 the same side outer surface; The tooth bar 5 of the outside sleeve gasket pipe of fixed support tube 1-1 and first segment is over against linking to each other; All outside sleeve gasket pipes 2 and the lip-deep tooth bar 5 of the minor details stay pipe 1-3 position that is parallel to each other is staggered successively; The length of minor details stay pipe 1-3 is longer, when it is withdrawn fully, exposes the length of final section standard support tube cavity, can either fixedly mount tooth bar, can carry again respectively to save outside sleeve gasket pipe after the withdrawal; The thickness difference of each section joint tooth bar, the tooth top of the tooth bar 5 on stay pipe that thickness is different and the outside sleeve gasket pipe is just in time in same plane; The surface of outside sleeve gasket pipe 2 stationary racks 5 is parallel to length direction the whole body opening, and A/F can hold the tooth bar 5 that respectively saves outside sleeve gasket pipe and minor details stay pipe 1-3 thereafter and can enter side by side wherein; Working column 3 can be in fixed support tube 1-1 and the outside sleeve gasket pipe of first segment 2 slide outside, and working column 3 surfaces are parallel to length direction the whole body opening, and A/F can hold all tooth bars 5 of arranging side by side of working column 3 processes; Working column driven wheel 8 is installed in working column 3 ends by gear fixed mount 9, and working column driven wheel 8 is super wide gear, and the gear width enables to be meshed with all tooth bars of arranging side by side; Working column driven wheel 8 can drive the guide rails operation that working column 3 is dynamically laid along outside sleeve gasket pipe 2 with after tooth bar 5 is meshed;

Operation principle of the present utility model is: inner support guard system 1 is under the effect of guide rail telescopic drive leading screw 4, can be elongated by joint stretches out, perhaps shorten by the joint withdrawal, outside sleeve gasket pipe 2 together stretches out with the standard support pipe 1-2 with same outer diameter as or withdraws; Inner support guard system 1 reaches when the longest, each save outside sleeve gasket pipe just in time from it a joint stretch out in the outside sleeve gasket pipe and put in place, each tooth bar 5 that saves outside sleeve gasket pipe 2 and minor details stay pipe 1-3 surface just in time is arranged in order and forms the continuous rack-track of the staggered a small amount of overlapping tooth top of head and the tail of a step in same plane; Inner support guard system 1 is reduced to the most in short-term, each saves outside sleeve gasket pipe and withdraws on it among outside sleeve gasket tube cavity of end, its tooth bar 5 enters in the outside sleeve gasket tube-surface opening of a joint, and all tooth bars 5 enter into the opening on the outside sleeve gasket pipe of first segment 2 surfaces side by side; Working column drive motors 10 drives working column driven wheel 8 and can move along above-mentioned continuous rack-track, thereby drives working column 3 along the guide track system rectilinear motion; Working column 3 brings into operation from fixed support tube 1-1, be inserted in each from initiating terminal and save outside sleeve gasket pipe 2, and under synchronization blocks 11 effects, driving this saves outside sleeve gasket pipe 2 and advances together, the outside sleeve gasket pipe 2 of more piece is nested in together by joint, remedy the stay pipe that attenuates by joint, be always working column 3 a straight guide rail is provided; When working column 3 ran to the guide track system end, all outside sleeve gasket pipes 2 were all taken to the guide track system end synchronously and are nested in together; When working column 3 returned, each saved outside sleeve gasket pipe 2 by the interception of the stay pipe of same outer diameter as, stretches out by joint stays, and working column 3 is finally got back to fixed support tube 1-1 position alone; Working column drive motors 10 drives working column driven wheel 8 and back and forth moves along rack-track, drives working column 3 linear reciprocating motions.

Guide rail telescopic drive leading screw 4 comprises not to be had silk part 4-1 and a part 4-2 is arranged, there is not silk part 4-1 diameter smaller or equal to diameter at the bottom of the part 4-2 silk is arranged, not having silk part 4-1 end is installed among the bearing arrangement 1-5, have a part 4-2 to stretch among the stay pipe inner chamber, each nut 1-6 can constitute transmission device with a part 4-2 engagement is arranged when needed successively; Leading screw rotating drive wheel 6 is installed in guide rail telescopic drive leading screw 4 lower ends, and under leading screw rotational drive motor 7 drove, guide rail telescopic drive leading screw 4 can rotate in bearing arrangement 1-5.

The operation principle of inner support guard system 1 is: when inner support guard system 1 is in short status, the nut 1-6 of minor details stay pipe 1-3 is meshed with a part 4-2 that has of guide rail telescopic drive leading screw 4, and the nut 1-6 of each standard support pipe is in the no silk part 4-1 of guide rail telescopic drive leading screw 4; Guide track system is stretched out when elongated by the shortest, and guide rail telescopic drive leading screw 4 at first drives minor details stay pipe 1-3 and stretches out, and minor details stay pipe 1-3 stretches out when putting in place, and its inner stopping means 1-4 comes into force, and itself and adjacent standard support pipe are connected as a single entity; Guide rail telescopic drive leading screw 4 is rotated further, and minor details stay pipe 1-3 can drive this standard support pipe and stretch out together, and its nut 1-6 is brought into a part 4-2 that has of guide rail telescopic drive leading screw 4; When guide rail telescopic drive leading screw 4 was rotated further, this standard support pipe was driven and stretches out, and the nut 1-6 of minor details stay pipe 1-3 is getaway telescopic drive leading screw 4 progressively; In like manner, this standard support pipe can drive that accurate stay pipe of feast-brand mark stretches out on it, stretch out up to the first segment standard support pipe 1-2 adjacent and to put in place with fixed support tube 1-1, inner support guard system 1 arrives long status, this moment, the nut 1-6 of first segment standard support pipe 1-2 was meshed with a part 4-2 that has of guide rail telescopic drive leading screw 4, and the nut 1-6 of accurate stay pipe of other each feast-brand marks and minor details stay pipe 1-3 has broken away from guide rail telescopic drive leading screw 4; The process of inner support guard system 1 withdrawal is opposite with said process, guide rail telescopic drive leading screw 4 backward rotation, the stopping means 1-4 of first segment standard support pipe 1-2 at first removes spacing and begins withdrawal, and the nut 1-6 with the accurate stay pipe of its next feast-brand mark in the withdrawal process brings guide rail telescopic drive leading screw 4 into; When first segment standard support pipe 1-2 withdrawal put in place, the stopping means 1-4 of the accurate stay pipe of its next feast-brand mark removed spacing, and beginning withdrawal under guide rail telescopic drive leading screw 4 drives; Until the nut 1-6 of minor details stay pipe 1-3 is brought into guide rail telescopic drive leading screw 4 by the accurate stay pipe of a feast-brand mark on it, when the accurate stay pipe retraction of a last feast-brand mark puts in place, the stopping means 1-4 of minor details stay pipe 1-3 removes and begins and withdraws, when minor details stay pipe 1-3 withdrawal put in place, inner support guard system 1 was withdrawn into short status.

Near the inwall initiating terminal of accurate stay pipe 1-2 of each feast-brand mark and minor details stay pipe 1-3, have roller to pass through hole 1-7, its diameter just allows roller 1-4-5 pass through; The spacing nest 1-8 of roller is arranged near the inwall end of fixed support tube 1-1 and the accurate stay pipe 1-2 of each feast-brand mark, and the spacing nest 1-8 of roller can coincide with roller 1-4-5 periphery is intact.

Stopping means 1-4 comprises that interior slide core 1-4-1, upper mounted plate 1-4-2, bottom plate 1-4-3, spring 1-4-4, roller 1-4-5, the initial nest 1-4-6 of roller, roller track 1-4-7, spring storehouse 1-4-8, leading screw are by hole 1-4-9; Upper mounted plate 1-4-2 and bottom plate 1-4-3 are installed in the initiating terminal inside of standard support pipe 1-2 and minor details stay pipe 1-3, and bottom plate 1-4-3 is concordant with initiating terminal; Interior slide core 1-4-1 is between upper mounted plate 1-4-2 and the bottom plate 1-4-3, can slide up and down; Spring 1-4-4 is installed among the 1-4-8 of spring storehouse, the trend of the oriented upper mounted plate 1-4-2 motion of slide core 1-4-1 in its elastic force makes; Initial nest 1-4-6 of roller and roller track 1-4-7 design are in each side of interior slide core 1-4-1, and roller track 1-4-7 is with the initial nest of roller-the 14-6 degree of depth is identical, and its surface is the part of sphere, can coincide with roller 1-4-5 periphery is intact.

The operation principle of stopping means 1-4 is: during spacing releasing or during spacing Pending The Entry Into Force, roller 1-4-5 is in roller by among the 1-7 of hole, between the initial nest 1-4-6 of roller of the quilt stopping means 1-4 that is limited in its place stay pipe tightly and the last joint stay pipe inwall, driving nut 1-6 when guide rail telescopic drive leading screw 4 rotates moves, this joint stay pipe of meeting drive slides among a last joint stay pipe inner chamber and stretches out, when roller 1-4-5 runs into the spacing nest 1-8 of the roller of a last joint stay pipe inwall, roller 1-4-5 can enter among the spacing nest 1-8 of roller, interior slide core 1-4-1 will be upspring by spring 1-4-4, between the roller 1-4-5 spacing nest 1-8 of roller that is pressed in an interior slide core 1-4-1 outer wall and a last joint stay pipe tightly, thereby this joint stay pipe and on it joint stay pipe be linked as the constant one of relative position, be the stopping means 1-4 state that comes into force this moment; Opposite, when guide rail telescopic drive leading screw 4 rotates round about, slide core 1-4-1 is to bottom plate 1-4-3 motion in can pulling nut 1-6 driving, when roller 1-4-5 enters into the initial nest 1-4-6 of roller, and the spacing releasing of stay pipe of this a joint stay pipe and a last joint.

The beneficial effects of the utility model are: the flexible integral telescopic that is designed to guide track system of inner support guard system provides a basic supporter; The design of outside sleeve gasket pipe is equivalent to original tapered orbit of guide rail pad is risen, and has formed a guide rail that thickness is constant; And the design of tooth bar different-thickness makes the rack-track of step-down gradually become track in the same plane; The tooth bar position makes flexible the become possibility of tooth bar with carrier by the design that joint staggers; The super wide design of driven wheel, perfection have solved the problem that the rack-track that the staggered head and the tail of step connect is steadily crossed in the working cell, make the working cell be achieved rectilinear motion on guide rail.Ingenious design and co-operating by inner support pipe and outside sleeve gasket pipe, a guide track system that can stretch is provided, solved intrinsic more and more thinner of stretching structure, the problem that the tooth top plane is more and more lower, and how carrying pipeline withdrawal back tooth bar withdraws and layout difficulties.This guide track system can stretch and shrink on a large scale, and drives simply, and data are accurate, is suitable for very much the environment of limited space, the place of often carrying, the demand of automation control operation.

Description of drawings

Fig. 1 is an overall structure stereogram of the present utility model, also can be used as Figure of abstract.

Fig. 2 is an overall structure front view of the present utility model, this moment guide rail be reduced to the shortest, the load sliding sleeve in the guide rail bottom.

Fig. 3 is the utility model withdrawal front view of inner support guard system the most in short-term.

Fig. 4 is the positive view of Fig. 3 for the utility model withdrawal principle assumption diagram of inner support guard system the most in short-term.

Fig. 5 is the principle assumption diagram of inner support guard system when the longest for the utility model reaches.

Fig. 6 is front view when the longest for the utility model integral body is stretched over, and this moment, working column was in the guide rail bottom.

Fig. 7 is that the utility model working column is by the state diagram of the outside sleeve gasket pipe of first segment when the outside sleeve gasket pipe of second joint moves.

State diagram when Fig. 8 runs to the outside sleeve gasket pipe of second joint position for the utility model working column.

State diagram when Fig. 9 runs to the guide rail tip position for the utility model working column.

Figure 10 is outside sleeve gasket pipe composition diagram

Figure 11 is a guide rail telescopic drive screw structure schematic diagram

Figure 12 is spacing principle of device structure chart.

Figure 13 is stopping means Pending The Entry Into Force or spacing disarm state schematic diagram.

Figure 14 is the stopping means view that comes into force.

Wherein:

1, inner support guard system

1-1, fixed support tube

1-2, standard support pipe

1-3, minor details stay pipe

1-4, stopping means

1-4-1, interior slide core

1-4-2, upper mounted plate

1-4-3, bottom plate

1-4-4, spring

1-4-5, roller

1-4-6, the initial nest of roller

1-4-7, roller track

1-4-8, spring storehouse

1-4-9, leading screw pass through the hole

1-5, bearing arrangement

1-6, nut

1-7, roller pass through the hole

1-8, the spacing nest of roller

2, outside sleeve gasket pipe

3, working column

4, guide rail telescopic drive leading screw

4-1, a nothing silk part

4-2, a part is arranged

5, tooth bar

6, leading screw rotating drive wheel

7, leading screw rotational drive motor

8, working column driven wheel

9, gear fixed mount

10, working column drive motors

11, synchronization blocks

The specific embodiment

Embodiment 1

To Figure 14, the situations that are designed to three joints with the inner support guard system 1 of double-deck intussusception telescopic rail system are example, and the specific embodiment of the present utility model is described in conjunction with Fig. 1.Three joint inner support pipes are respectively: fixed support tube 1-1, standard support pipe 1-2 and minor details stay pipe 1-3, need the outside sleeve gasket pipe 2 of two joints accordingly, be mounted in the outside sleeve gasket pipe of the first segment 2-1 and the outside sleeve gasket pipe 2-2 of second joint that is installed in minor details stay pipe 1-3 outside of standard support pipe 1-2 outside respectively.

Fixed support tube 1-1, standard support pipe 1-2, minor details stay pipe 1-3, the outside sleeve gasket pipe of first segment 2-1, the second outside sleeve gasket pipe 2-2 of joint and working column 3 all adopt the thick walled steel tube manufacturing; Fixed support tube 1-1 is fixed on the carrying platform with flange, and standard support pipe 1-2 can slide among fixed support tube 1-1 inner chamber; Minor details stay pipe 1-3 can slide among standard support pipe 1-2 inner chamber; The initial end installation shaft bearing apparatus 1-5 of fixed support tube 1-1, guide rail telescopic drive leading screw 4 is fixed among the bearing arrangement 1-5; Leading screw rotating drive wheel 6 is installed in guide rail telescopic drive leading screw 4 lower ends, and under leading screw rotational drive motor 7 drove, guide rail telescopic drive leading screw 4 can rotate in bearing arrangement 1-5; The inner stopping means 1-4 that installs of standard support pipe 1-2 and minor details stay pipe 1-3 initiating terminal, the inner nut 1-6 that installs of the interior slide core 1-4-1 of stopping means 1-4, nut 1-6 can constitute transmission device with guide rail telescopic drive leading screw 4, guide rail telescopic drive leading screw 4 rotates drive nut 1-6 and moves on leading screw, thereby the stay pipe that drives nut 1-6 place moves up or down.

As depicted in figs. 1 and 2, the outside sleeve gasket pipe of first segment 2-1 is installed in fixed support tube 1-1 top, is sleeved on standard support pipe 1-2 outside; The outside sleeve gasket pipe 2-2 of second joint is installed in standard support pipe 1-2 top, is sleeved on minor details stay pipe 1-3 outside; Fixed support tube 1-1, minor details stay pipe 1-3, the outside sleeve gasket pipe 2-1 of first segment and the second joint surface, outside sleeve gasket pipe 2-2 the same side are fixed with the tooth bar 5 of different-thickness, and the tooth top of tooth bar 5 is in same plane.There is the opening of three times of tooth bar width on the outside sleeve gasket pipe of first segment 2-1 surface, there is the opening of twice tooth bar width on the outside sleeve gasket pipe 2-2 of second joint surface, the tooth bar of each joint can be withdrawn wherein above when these openings make the guide rail withdrawal, when telescopic rail is retracted to the most in short-term, each bar tooth bar 5 is adjacent each other and do not conflict.

Working column 3 is sleeved on fixed support tube 1-1 outside, gear fixed mount 9 is installed in working column 3 upper ends, working column driven wheel 8 just meshes with tooth bar 5 by gear fixed mount 9, and working column driven wheel 8 is super wide gear, and its width makes it can mesh a plurality of tooth bars simultaneously.Under working column drive motors 10 drove, working column driven wheel 8 can drive working column 3 and move up and down along tooth bar 5.

The original state of guide track system is that guide rail is withdrawn the shortest outward appearance situation as depicted in figs. 1 and 2, the state of inner support sleeve pipe as shown in Figure 3 at this moment: standard support pipe 1-2 and minor details stay pipe 1-3 have been reduced at utmost, standard support pipe 1-2 withdraws among the fixed support tube 1-1 substantially fully, and minor details stay pipe 1-3 still has one section long length to be exposed, and design makes minor details stay pipe 1-3 top become the sliding support body of the outside sleeve gasket pipe 2-2 of outside second joint of carrying like this; The outside sleeve gasket pipe 2-2 of second joint lower end links to each other with standard support pipe 1-2 upper end, has formed the sliding support body of the outside sleeve gasket pipe of first segment 2-1 again; The outside sleeve gasket pipe of first segment 2-1 lower end links to each other with fixed support tube 1-1, for working column 3 provides sliding support.

Guide track system contract to the internal structure of stay pipe the most in short-term as shown in Figure 4, this moment, the nut 1-6 of minor details stay pipe 1-3 was meshed with a part 4-2 that has of guide rail telescopic drive leading screw 4, and the nut 1-6 of standard support pipe 1-2 is at the no silk part 4-1 of guide rail telescopic drive leading screw 4.When guide track system need extend, guide rail telescopic drive leading screw 4 rotated under leading screw rotational drive motor 7 drives, and can at first drive minor details stay pipe 1-3 and stretch out; When minor details stay pipe 1-3 slided among standard support pipe 1-2 inner chamber, its stopping means 1-4 was in the Pending The Entry Into Force state.Figure 12 is the structure principle chart of stopping means 1-4, state diagram when Figure 13 is stopping means 1-4 Pending The Entry Into Force: under spring 1-4-4 effect, interior slide core 1-4-1 has the upwards trend of motion, roller 1-4-5 passes through in the 1-7 of hole at the roller of minor details stay pipe 1-3, by between the inwall that is limited in the initial nest 1-4-6 of roller, roller track 1-4-7 and standard support pipe 1-2 tightly; When roller 1-4-5 runs into the spacing nest 1-8 of roller on the standard support pipe 1-2 inwall, under the effect of spring 1-4-4 pressure, roller 1-4-5 can enter the spacing nest 1-8 of roller, interior slide core 1-4-1 moves upward, stop after arriving upper mounted plate 1-4-2, roller 1-4-5 roller by hole 1-7 in by the spacing nest 1-8 of roller of slide core 1-4-1 in being limited in tightly and standard support pipe 1-2 in, roller 1-4-5 just links together minor details stay pipe 1-3 and standard support pipe 1-2, this is the stopping means 1-4 state that comes into force, and the state after stopping means 1-4 comes into force as shown in figure 14.When guide rail telescopic drive leading screw 4 is rotated further, minor details stay pipe 1-3 drive standard support pipe 1-2 upwards operation together, a part 4-2 that has who the nut 1-6 of standard support pipe 1-2 is screwed in guide rail telescopic drive leading screw 4 also meshes.When guide rail telescopic drive leading screw 4 was rotated further, standard support pipe 1-2 and minor details stay pipe 1-3 stretched out together, and the nut 1-6 of minor details stay pipe 1-3 is getaway telescopic drive leading screw 4 progressively.Standard support pipe 1-2 moves among the inner chamber of fixed support tube 1-1, when the roller 1-4-5 of standard support pipe 1-2 runs into the spacing nest 1-8 of roller on the fixed support tube 1-1 inwall, same as above, stopping means 1-4 comes into force, standard support pipe 1-2 and fixed support tube 1-1 are connected and fixed, stay pipe has been stretched over extreme length, the internal structure of stay pipe as shown in Figure 5 at this moment, this moment, the nut 1-6 of standard support pipe 1-2 meshed with guide rail telescopic drive leading screw 4, and the nut 1-6 of minor details stay pipe 1-3 getaway telescopic drive leading screw 4.In stay pipe made progress running, minor details stay pipe 1-3 can drive the outside sleeve gasket pipe 2-2 of second joint and move upward; Standard support pipe 1-2 can drive the outside sleeve gasket pipe 4 of first segment and move upward, when being stretched over when the longest, as shown in Figure 6, each bar tooth bar 5 joins end to end, tooth bar 5 Thickness Design make its tooth top in same plane, have so just formed a firm continuous rack-track.

Working column 3 is along the rack-track upwards process of operation such as Fig. 6, Fig. 7, Fig. 8, shown in Figure 9.Among Fig. 6, working column 3 is in the guide track system bottom, and this moment, working column driven wheel 8 was meshed with the tooth bar 5 of fixed support tube 1-1.Under working column drive motors 10 drove, working column driven wheel 8 drove working column 3 along upwards operation of tooth bar 5; Because the outside sleeve gasket pipe of first segment 2-1 lower end links to each other with the upper end of fixed support tube 1-1, and continues between the tooth bar 5, also continues to go up to operation on the tooth bar 5 of the outside sleeve gasket pipe of first segment 2-1 so working column 3 can climb always.

When working column 3 runs to the outside sleeve gasket pipe of first segment 2-1 upper end, as shown in Figure 7, because the tooth bar 5 of the outside sleeve gasket pipe 2-2 of second joint has a little length to overlap with the tooth bar 5 of the outside sleeve gasket pipe of first segment 2-1, and working column driven wheel 8 is in the upper end of working column 3, therefore 8 meeting whiles of working column driven wheel and two tooth bars 5 are meshed, drive working column 3 and continue upwards operation, and arrive on the tooth bar 5 of the outside sleeve gasket pipe 2-2 of second joint.When working column 3 upwards moves again, the synchronization blocks 11 of the outside sleeve gasket pipe of first segment 2-1 plays the resistance effect of stumbling, working column 3 drives the outside sleeve gasket pipe of first segments 2-1 upwards operation together, the view of working column 3 when driving the outside sleeve gasket pipe of first segments 2-1 and running to the outside sleeve gasket pipe 2-2 of second joint position that be shown in Figure 8.

Working column 3 continues to make progress and moves, and when arriving the outside sleeve gasket pipe 2-2 of second joint top, working column driven wheel 8 can the while and second save the tooth bar 5 of outside sleeve gasket pipe 2-2 and the tooth bar 5 of minor details stay pipe 1-3 is meshed; Working column 3 continues upwards operation, arrives on the tooth bar 5 of minor details stay pipe 1-3.The synchronization blocks 11 of the outside sleeve gasket pipe 2-2 of second joint this moment plays the resistance effect of stumbling, the outside sleeve gasket pipe of the first segment 2-1 outside sleeve gasket pipe 2-2 of second joint in tow follows working column 3 upwards operation together, the view of working column 3 when running to minor details stay pipe 1-3 that be shown in Figure 9.Working column 3 can run to the top of minor details stay pipe 1-3 always.

When working column 3 when the guide rail top is moved downwards, working column driven wheel 8 moves downwards along the tooth bar 5 of minor details stay pipe 1-3; When the lower end of the outside sleeve gasket pipe 2-2 of second joint touched the upper end of standard support pipe 1-2, the outside sleeve gasket pipe 2-2 of second joint had arrived the strong point, no longer continues operation downwards, and its surperficial tooth bar 5 becomes a firm track again; Working column driven wheel 8 moves downwards, by the place that two tooth bars 5 cross, arrives the tooth bar 5 of the outside sleeve gasket pipe 2-2 of second joint, and working column 3 runs down to the position of the outside sleeve gasket pipe 2-2 of second joint thereupon; When the lower end of the outside sleeve gasket pipe of first segment 2-1 touches the upper end of fixed support tube 1-1, the outside sleeve gasket pipe of first segment 2-1 has arrived the strong point, no longer continue operation downwards, its surperficial tooth bar 5 becomes a firm track again, and continues mutually with the tooth bar 5 of fixed support tube 1-1.Working column 3 can be descending along tooth bar 5 always, arrives the guide rail lower position, promptly arrives the position of fixed support tube 1-1.Working column 3 can be realized the demand of commercial Application along the reciprocal linear running of this telescopic rail.

When work finishes guide rail need be withdrawn the time, start leading screw rotational drive motor 7, under leading screw rotating drive wheel 6 drove, guide rail telescopic drive leading screw 4 rotated round about.This moment, the nut 1-6 of standard support pipe 1-2 meshed on guide rail telescopic drive leading screw 4, therefore the nut 1-6 of standard support pipe 1-2 at first is driven, nut 1-6 moves along leading screw, slide core 1-4-1 moves downwards in driving, when roller 1-4-5 progressively arrives the initial nest 1-4-6 of roller position, roller 1-4-5 is pressed in the initial nest 1-4-6 of roller, standard support pipe 1-2 and spacing being disengaged of being connected of fixed support tube 1-1; Nut 1-6 continues when mobile, and standard support pipe 1-2 begins downwards that operation is withdrawn among the fixed support tube 1-1 inner chamber; Roller 1-4-5 is again by between the inwall that is limited in the initial nest 1-4-6 of roller, roller track 1-4-7 and fixed support tube 1-1 tightly.When standard support pipe 1-2 will withdraw when putting in place, the nut 1-6 of minor details stay pipe 1-3 is threaded into guide rail telescopic drive leading screw 4 and is meshed, same as above, the interior slide core 1-4-1 of the stopping means 1-4 of nut 1-6 pulling minor details stay pipe 1-3 moves downward, roller 1-4-5 is entered among the initial nest 1-4-6 of roller, spacing being disengaged that be connected of minor details stay pipe 1-3 and standard support pipe 1-2, minor details stay pipe 1-3 nut 1-6 continues to move along leading screw, drives among the minor details stay pipe 1-3 withdrawal standard support pipe 1-2 inner chamber.In the stay pipe withdrawal process, the sliding mats pipe is withdrawal thereupon also, and tooth bar is also withdrawn and arranged side by side.Finally be withdrawn into the most in short-term, just become original state as depicted in figs. 1 and 2.

Above-mentioned be that the double-deck intussusception telescopic rail of the utility model system stretches out and withdrawal, load along the principle and the process of guide rail operation.

Embodiment 2:

When guide track system needs longer length, can increase the joint number of the standard support pipe of inner support guard system 1, and the outside sleeve gasket tube coupling of corresponding increase number.During concrete enforcement, structure and the embodiment 1 of fixed support tube 1-1, minor details stay pipe 1-3 are identical, and the structure of standard stay pipe 1-2 is identical among the standard support pipe of increase and the embodiment 1; First segment outside sleeve gasket pipe 2-1 is identical with the outside sleeve gasket pipe 2-2 structure of second joint among the external cladding pipe that increases and the embodiment 1, only needs design tube coupling thickness length and surface opening width data, enables just in time to be coupled.

Embodiment 3:

The utility model also can be reduced to two joints with inner support guard system 1, is applied in the occasion that does not need too big length.When having only two joint inner support pipes to use, only need fixed support tube 1-1, minor details stay pipe 1-3, the outside sleeve gasket pipe of first segment 2-1 among the embodiment 1 to get final product, structure is simplified more.

In concrete the application, linear bearing reduce friction power and free gap are adopted in the relative slip between the double-deck intussusception telescopic rail system pipeline; The hydraulic motor that the leading screw rotational drive motor adopts the strap brake motor or has a pressurizer drives, and guarantees to stretch out the firm stable with rear rail; The working column drive motors adopts stepper motor or servomotor, and it is moved forward or backwards according to Data Control, and automation control applications is realized in the position of accurate load operation.

Claims

1. a double-deck intussusception telescopic rail system is characterized in that: be made up of inner support guard system (1), outside sleeve gasket pipe (2), working column (3), guide rail telescopic drive leading screw (4), tooth bar (5), leading screw rotating drive wheel (6), leading screw rotational drive motor (7), working column driven wheel (8), gear fixed mount (9), working column drive motors (10); Wherein inner support guard system (1) comprises fixed support tube (1-1), standard support pipe (1-2), minor details stay pipe (1-3), stopping means (1-4), bearing arrangement (1-5), nut (1-6), and standard support pipe (1-2) can be a joint or a more piece; Outside sleeve gasket pipe (2) adopts a joint or a more piece according to the joint number of standard support pipe (1-2); The structural relation of each part mentioned above is: fixed support tube (1-1) is fixedly mounted on the carrier, and accurate stay pipe of each feast-brand mark (1-2) and minor details stay pipe (1-3) can be thereon stretch out among the joint stay pipe inner chamber or withdraw; Fixed support tube (1-1) initiating terminal is fixed with bearing arrangement (1-5), and standard support pipe (1-2), minor details stay pipe (1-3) initiating terminal are installed stopping means (1-4), and nut (1-6) is installed in the stopping means (1-4); Fixed support tube (1-1) external stability has tooth bar (5), and minor details stay pipe (1-3) the same side outer surface also is fixed with tooth bar (5); The outside outside sleeve gasket pipe of a joint of installing of the accurate stay pipe of each feast-brand mark (1-2), the outside outside sleeve gasket pipe of a joint of installing of minor details stay pipe (1-3); Last one of the standard support pipe (1-2) at outside sleeve gasket pipe (2) and its place saves the stay pipe internal diameter and external diameter equates, can be in standard support pipe (1-2) slide outside at place; Each saves outside sleeve gasket pipe and can be thereon stretches out among the outside sleeve gasket tube cavity of a joint or withdraw; There is synchronization blocks (11) the terminal outside of the outside sleeve gasket pipe of every joint (2); Outside sleeve gasket pipe (2) all is fixed with tooth bar (5) with fixed support tube (1-1) the same side outer surface; The tooth bar (5) of the outside sleeve gasket pipe of fixed support tube (1-1) and first segment is over against linking to each other; All outside sleeve gasket pipes (2) and the lip-deep tooth bar of minor details stay pipe (1-3) (5) position that is parallel to each other is staggered successively; The length of minor details stay pipe (1-3) is longer, and minor details stay pipe (1-3) exposes the length of final section standard support tube cavity when withdrawing fully, can either fixedly mount tooth bar, can carry again respectively to save outside sleeve gasket pipe after the withdrawal; The thickness difference of each section joint tooth bar, the tooth top of the tooth bar (5) on stay pipe that thickness is different and the outside sleeve gasket pipe is just in time in same plane; The surface of outside sleeve gasket pipe (2) stationary rack is parallel to length direction the whole body opening, and A/F can hold the tooth bar (5) that respectively saves outside sleeve gasket pipe and minor details stay pipe (1-3) thereafter and can enter side by side wherein; Working column (3) can be in fixed support tube (1-1) and outside sleeve gasket pipe (2) slide outside of first segment, working column (3) surface is parallel to length direction the whole body opening, and A/F can hold all tooth bars (5) of arranging side by side of working column (3) process; Working column driven wheel (8) is installed in working column (3) end by gear fixed mount (9), and working column driven wheel (8) is super wide gear, and the gear width enables to be meshed with all tooth bars of arranging side by side; Working column driven wheel (8) can drive the guide rail operation that working column (3) is dynamically laid along outside sleeve gasket pipe (2) with after tooth bar (5) is meshed.

2. double-deck intussusception telescopic rail according to claim 1 system, it is characterized in that: guide rail telescopic drive leading screw (4) comprises not to be had silk part (4-1) and silk part (4-2) is arranged, there is not silk part (4-1) diameter smaller or equal to silk part (4-2) silk end diameter is arranged, not having silk part (4-1) end is installed in the bearing arrangement (1-5), have silk part (4-2) to stretch among the stay pipe inner chamber, each nut (1-6) can constitute transmission device with silk part (4-2) engagement is arranged when needed successively; Leading screw rotating drive wheel (6) is installed in guide rail telescopic drive leading screw (4) lower end, and under leading screw rotational drive motor (7) drove, guide rail telescopic drive leading screw (4) can rotate in bearing arrangement (1-5).

3. double-deck intussusception telescopic rail according to claim 1 system, it is characterized in that: near the accurate stay pipe of each feast-brand mark (1-2) of inner support guard system (1) and the inwall initiating terminal of minor details stay pipe (1-3), have roller to pass through hole (1-7), its diameter just allows roller (1-4-5) pass through; The spacing nest of roller (1-8) is arranged near the inwall end of fixed support tube (1-1) and the accurate stay pipe of each feast-brand mark (1-2), and the spacing nest of roller (1-8) can coincide with roller (1-4-5) periphery is intact.

4. double-deck intussusception telescopic rail according to claim 1 system, it is characterized in that: stopping means (1-4) comprises that interior slide core (1-4-1), upper mounted plate (1-4-2), bottom plate (1-4-3), spring (1-4-4), roller (1-4-5), the initial nest of roller (1-4-6), roller track (1-4-7), spring storehouse (1-4-8), leading screw are by hole (1-4-9); Upper mounted plate (1-4-2) and bottom plate (1-4-3) are installed in the initiating terminal inside of standard support pipe (1-2) and minor details stay pipe (1-3), and bottom plate (1-4-3) is concordant with initiating terminal; Interior slide core (1-4-1) is between upper mounted plate (1-4-2) and the bottom plate (1-4-3), can slide up and down; Spring (1-4-4) is installed in the spring storehouse (1-4-8), and its elastic force makes the trend of the oriented upper mounted plate of interior slide core (1-4-1) (1-4-2) motion; Initial nest of roller (1-4-6) and roller track (1-4-7) design are in each side of interior slide core (1-4-1), roller track (1-4-7) is identical with the initial nest of roller (1-4-6) degree of depth, its surface is the part of sphere, can coincide with roller (1-4-5) periphery is intact.