CN209534097U - A kind of wheeled pipe tractor - Google Patents

Abstract

A kind of wheeled pipe tractor, belong to tubing pulling equipment field, the runner of tubing is drawn including winding, drives the line shaft of runner and the body for installing runner and line shaft, it further include that the guide rod at the uniform velocity moved back and forth is axially done along runner by reciprocating apparatus control outside runner, guiding boom end is equipped with the pilot hole passed through for tubing, and the both ends of pilot hole path correspond to the both ends of runner axial direction wrapped tube.The utility model controls the reciprocal uniform motion of guide rod by reciprocating apparatus, and guide rod drives on soft tube winding to runner, has the advantages that high degree of automation.

Description

A kind of wheeled pipe tractor

Technical field

The utility model relates to a kind of pipe tractors, more specifically, being related to a kind of wheeled pipe tractor.

Background technique

Tubing after extrusion, needs dragger to be drawn.Wherein thicker hard tubing, such as lavatory sewer pipe Material is drawn using caterpillar tractor, and cooperates cutting machine cutting storage, and port is spliced when installation；It is thinner soft Pipe is wrapped on runner then by the way of similar production steel cable winding storage, is not had to cutting, advantageously ensure that hose Length.

In winding, since hose diameter is more much smaller than the axial length of runner, runner is axially generally tied with perhaps Multilayer, similar shape of the compressed spring pocket outside runner.First hose one end is fixed on runner, rotating wheel traction is soft Pipe will carry out the guidance of runner axial direction to hose, prevent it from accumulating at one more in this process, another place wind compared with Few, finally winding is chaotic, not closely.

Currently, guidance mode is mainly manually, hose guide is caught on by hook, passes through the hook of manual control above and turns To.This mode the degree of automation is low, and has security risk.

Utility model content

Problem to be solved in the utility model is provided a kind of wheeled for the above-mentioned deficiency in the presence of the prior art Pipe tractor, solve the problems, such as to be wound hose guidance rely on it is artificial.

To achieve the above object, the utility model uses the following technical solution:

A kind of wheeled pipe tractor draws the runner of tubing including winding, drives the line shaft of runner and for installing The body of runner and line shaft further includes that the guiding at the uniform velocity moved back and forth is axially done along runner by reciprocating apparatus control outside runner Bar, the guiding boom end are equipped with the pilot hole passed through for tubing, and the both ends of the pilot hole path correspond to runner axial direction The both ends of wrapped tube.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model controls guide rod using reciprocating apparatus, and guide rod axially pulls along runner again or hose is pushed to move To have the function that guiding automatically to soft tube winding；It is oriented to the form that boom end uses through-hole, is guided compared to hook, no It can fall off；The both ends of guiding boom end path correspond to the both ends of shaft wrapped tube, and uniform motion, so that whole winding Uniformly.

The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through Research and practice to the utility model and be understood by the person skilled in the art.

Detailed description of the invention

Fig. 1 is dragger schematic diagram of internal structure in first embodiment；

Fig. 2 is dragger schematic diagram of internal structure in second embodiment；

Fig. 3 is dragger schematic diagram of internal structure in 3rd embodiment；

Partial enlarged view at guide rod when Fig. 4 is dragger work；

Fig. 5 be guide rod from shaft maximum distance when structural schematic diagram；

Fig. 6 be guide rod from shaft minimum range when structural schematic diagram；

Rotating disc structural schematic diagram when Fig. 7 is one of state；

Fig. 8 is the method for geometry schematic diagram for obtaining curve corresponding to sliding slot.

Wherein, runner 1, guide rod 2, pilot hole 3, lead screw 4, sliding shoe 5, control cylinder 6, rotating disc 7, track groove 8.

Specific embodiment

In order to make technological means of the utility model, creation characteristic, reach purpose and effect is more clear and is easy to Understand, the utility model be further elaborated with reference to the accompanying drawings and detailed description:

As shown in figures 1-8, the utility model proposes a kind of wheeled pipe tractor, the runner including winding traction tubing 1, the line shaft of runner 1 and the body for installing runner 1 and line shaft are driven, further includes passing through reciprocating apparatus control outside runner The guide rod 2 at the uniform velocity moved back and forth is axially done along runner, the guiding boom end is equipped with the pilot hole 3 passed through for tubing, described The both ends of 3 path of pilot hole correspond to the both ends of the axial wrapped tube of runner 1.

In one embodiment, the reciprocating apparatus includes the lead screw 4 of positive and negative motor, the setting of 2 moving direction of guide rod With the movable block cooperated with lead screw 4, described 2 one end of guide rod is fixed on movable block.The motor of the part uses direct current generator, And realize that positive and negative rotation drives 2 back and forth movement of guide rod by forward and reverse power supply of control electric current discontinuity.General motor is uncomfortable Calorific value is very big when directly setting positive and negative rotation, switching electric current.But due to 2 movement speed of the guide rod of the utility model It is very small, it is driven even across lead screw 4, the utility model revolving speed used when using motor is still very low, can be quick Response reversion；Fever when positive and negative rotation electric current is set, in the case where unidirectionally running at high speed when fever is no more than motor normal load Amount.In conversion direction, motor operation speed has one and is reduced to zero raised process again, and every runner 1 is around the end of pipe Portion needs to wind two circles, can just agree with.

In second real-time example, the reciprocating apparatus is control cylinder 6, and the piston rod of the control cylinder 6 is along guiding The setting of 2 moving direction of bar, the guide rod 2 are fixed on the end of piston rod.If setting motor makes it in suitable revolving speed, simultaneously Electric current is arranged to need to carry out more debugging in suitable conversion frequency, can be only achieved more satisfied reciprocating motion effect；That Allowing control cylinder 6 to carry out of short duration pause in multiple positions is more mature technology, settable 3 position-5 way middle pressure valve It realizes, control cylinder 6 is made to wind a whole circle on runner 1 to tubing for a moment in the length pause for not crossing pipe diameter or so It finishes；At a slow speed flexible can also be directly set, keep slow uniform motion, agree with the speed of itself and runner 1 mutually.

In third embodiment, the reciprocating apparatus includes motor-driven rotating disc 7, and the rotating disc 7 is equipped with One end of track groove 8, guide rod is slided in the track groove 8, and the track groove 8 is sequentially connected with by four sections of sliding slot head and the tail to be enclosed Form bowed sliding path at, adjacent two sliding slots mirror symmetry setting, and two sections of sliding slot center symmetric settings separately with So that the track groove 8 that four sections of sliding slots surround is in lip shape；Sliding path defined by each sliding slot must meet following item Part: when the same angle of every rotation of rotating disc 7, guide rod 2 changes at a distance from the end slided in sliding slot is between machine shaft It measures identical.As shown in figure 4, the corresponding curve graph of track groove 8 obtained according to principle, obtain mode as shown in Figure 7 (Lmin, When Lmax, guide rod 2 is located at the both ends of motion track): draw that X radius be incremented by successively and the identical concentric circles of increment, most Big semidiameter is equal to the distance of 2 unidirectional path of guide rod, these circles are being divided into 4X parts with diameter；It is twined on X and runner 1 Around axial circle number it is identical；On the vertex of the circle from minimum diameter, diagonal mode, which is connected to maximum circle, can obtain the song Line.The shape of the track groove 8 finally obtained is as shown in Figure 4, wherein 7 per full revolution of rotating disc, guide rod 2, which runs one, to be come It returns.And the identical angle of every rotation, the distance between guide rod 2 and shaft；As shown in figure 5, should ensure that in certain precision, same On one curve in the identical situation of rotational angle a, L3-L2=L2-L1.Function can certainly be arranged to acquire.This mode phase Setting for cylinder and positive and negative motor, without design, debug circuit.Equipment cost is relatively low.

In order to guarantee that arriving for guide rod 2 supports, not by biggish radial force, the body is equipped with for cylinder or lead screw 4 The through-hole of simultaneously support guide bar 2 is passed through for guide rod 2.Those skilled in the art can be arranged according to the actual situation, and main purpose exists In allowing guide rod 2 to be supported and limit its sliding path.When lead screw 4 is driven, conventional guide rod should be also set.

The pilot hole 3 and hose clearance fit.The smooth traction for guaranteeing runner 1, does not have between pilot hole 3 and hose Biggish resistance.

The runner 1 is detachably connected, and in the present embodiment, through-hole is equipped among runner 1, is inserted into for line shaft and passes through spiral shell It tethers and connects fixed thereto, there is not support in wherein one end of line shaft, unloads runner 1 after facilitating winding full.

It is worth noting that the speed of service at guide rod 2 used by the utility model is very slow, stress is also little, if It is driven by motor, pays attention to the selection of motor, also settable corresponding gear reduction structure.The utility model the required accuracy is not Height, in the actual operation process, tubing winding are more close.For the compactedness for guaranteeing dragger mechanical structure entirety, sheet Guide rod 2 can also be provided separately by field technical staff.It is not necessarily to circuit control in third embodiment, need to only be powered simultaneously i.e. Can, compared to common crank and rocker mechanism, it can have the function that allow 2 uniform motion of guide rod.Above-mentioned three kinds of modes respectively have excellent Bad, those skilled in the art can according to actual needs and economic cost selects.The starting of the motor of reciprocating apparatus with stop It only should be synchronous with stopping with the electric motor starting of control runner.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (7)

1. a kind of wheeled pipe tractor draws the runner of tubing including winding, drives the line shaft of runner and turn for installing The body of wheel and line shaft, which is characterized in that further include axially being done along runner at the uniform velocity back and forth under the external reciprocating apparatus control of runner The guide rod of movement, the guiding boom end are equipped with the pilot hole passed through for tubing, the both ends pair of the pilot hole path Answer the both ends of runner axial direction wrapped tube.

2. a kind of wheeled pipe tractor as described in claim 1, which is characterized in that the reciprocating apparatus includes positive and negative electricity Machine, the lead screw along the setting of guide rod moving direction and the movable block by lead screw driving, described guide rod one end is fixed on movement On block.

3. a kind of wheeled pipe tractor as described in claim 1, which is characterized in that the reciprocating apparatus is control cylinder, The piston rod of the control cylinder is arranged along guide rod moving direction, and the guide rod is fixed on the end of the piston rod.

4. a kind of wheeled pipe tractor as described in claim 1, which is characterized in that the reciprocating apparatus includes that motor drives Rotating disc, the rotating disc is equipped with track groove, and one end of guide rod slides in the track groove, and the track groove is by four Section sliding slot head and the tail, which are sequentially connected with, to be surrounded, and adjacent two sliding slots mirror symmetry setting forms bowed sliding path, and separately two Section sliding slot center symmetric setting is so that the track groove that four sections of sliding slots surround is in lip shape；It is sliding defined by each sliding slot Dynamic path must meet the following conditions: when the rotating disc same angle of every rotation, the end and motor that guide rod slides in sliding slot turn The distance between axis variable quantity is identical.

5. a kind of wheeled pipe tractor as described in any one of claim 2-4, which is characterized in that the body is equipped with The through-hole of simultaneously support guide bar is passed through for guide rod.

6. a kind of wheeled pipe tractor as claimed in claim 5, which is characterized in that the pilot hole is matched with tubing gap It closes.

7. a kind of wheeled pipe tractor as claimed in claim 6, which is characterized in that the runner is removably attachable to machine On body.