CN206673467U - Cable is twisted equipment - Google Patents

Abstract

It the utility model is related to a kind of cable and be twisted equipment, including carry-over pinch rolls, and the power source that driving carry-over pinch rolls rotate, at the take-up end of carry-over pinch rolls, take-up roller is set, strainer is set between carry-over pinch rolls and take-up roller, strainer includes tensioning frame, and be slidably connected some tension assemblies for being contradicted with drag rope, driving drag rope to be promoted to deviation lead on tensioning frame.

Description

Cable is twisted equipment

Technical field

A kind of pulling equipment installed used in cable is the utility model is related to, in particular, it is related to a kind of cable and twisted Grind equipment.

Background technology

Cable is in provided underground, it usually needs first excavates groove, or laying built-in pipe in the opening position of pre-buried cable Road.Some cable beareves are evenly arranged in the opening position that cable passes through, to reduce rubbing for cable and ground during trailing cable Wipe.By electric cable transporting to be laid afterwards, the pulling equipment trailing cable such as it is twisted by cable to lay according to default route.

Cable be twisted for routine cable traction equipment, it mainly includes power source, the change being connected with power source output terminal Fast case, and the carry-over pinch rolls being connected with gear box output end.In use, the winding rope made of hemp is as drag rope on carry-over pinch rolls.Traction One end of rope is traction end, and it is connected with the head of cable, and the other end is take-up end, several circles of take-up end winding on carry-over pinch rolls Afterwards, tightened by artificial stretch.

In actual mechanical process, when manually gripping drag rope take-up, the velocity of rotation of carry-over pinch rolls, meeting may be unable to catch up with Drag rope is caused to loosen, it causes carry-over pinch rolls to dally relative to the frictional force deficiency of carry-over pinch rolls.

Utility model content

The purpose of this utility model is that providing a kind of cable is twisted equipment, is opened being set close to the take-up end of drag rope Tight mechanism, to adapt to the tensioning of pull rope or relaxed state automatically, when artificial gripping has little time to change hauling speed first Pull rope is tensioned, reduces and even avoids carry-over pinch rolls caused by pull rope relaxation from dallying.

Above-mentioned purpose of the present utility model technical scheme is that：A kind of cable is twisted equipment, bag Carry-over pinch rolls, and the power source that driving carry-over pinch rolls rotate are included, strainer is set at the take-up end of carry-over pinch rolls, strainer includes Tensioning frame, be slidably connected on tensioning frame some conflict drag ropes, tension assemblies of the adjustment Jing Guo tensioning frame drag rope length.

Using above technical scheme, drag rope one end is connected with cable, and this one end is traction end, and the other end is around traction Roller and wind be placed on take-up roller, this one end is take-up end.A small amount of drag rope is closely wound on carry-over pinch rolls, it is with leading There is enough frictions, it is sufficient to provide the pulling force of trailing cable between pick-up roll.

Power source drive carry-over pinch rolls rotate, and carry-over pinch rolls take-up end sets some tension assemblies.When the speed of take-up roller take-up When being unable to catch up with the speed of carry-over pinch rolls rotation, tension assembly opens and promotes drag rope to lead is deviateed, and tightens traction This section of drag rope between roller and take-up roller, in case it loosens.

Further, lead of the tension assembly along drag rope is staggered in the both sides of tensioning rope, and adjacent two Individual tension assembly contradicts the in opposite direction of drag rope.

Using above technical scheme, the both sides of this section of drag rope between carry-over pinch rolls and take-up roller set some stretchings The tension assembly of drag rope, while two neighboring tension assembly contradicts drag rope towards relative both direction, further Increase the tensile force of drag rope.

Further, tension assembly includes the slip that one end is slidably connected with tensioning frame, the other end and drag rope contradict Bar, compression elastic piece is socketed on sliding bar.

Using above technical scheme, sliding bar one end is slidably connected with tensioning frame, and the other end contradicts with drag rope.When leading When messenger rope loosens, compression elastic piece promotes sliding bar to be contradicted all the time with drag rope, this section between carry-over pinch rolls and winding roller Drag rope remains tensioning state, enough frictional force is kept between drag rope and carry-over pinch rolls, it is sufficient to provide tractive force.

Further, sliding bar fixes limited block with the end that tensioning frame is slidably connected.

Using above technical scheme, limited block is fixed in the end that sliding bar stretches out tensioning frame, so as not to sliding bar relative to During tensioning frame slides, deviate from from tensioning frame.

Further, one end that sliding bar contradicts with drag rope caves inward to form crossed beam trunking.

Using above technical scheme, one end that sliding bar contradicts with drag rope caves inward, and it is recessed that drag rope is placed in this Opening position is fallen into, is departed from order to avoid traction is flexible with sliding bar.

Further, sliding bar is rotatably connected to vertical with drag rope lead with one end that drag rope contradicts Roll post.

Using above technical scheme, when drag rope and sliding bar contradict, in the presence of tractive force, drag rope and cunning The conflict position of lever uses sliding friction.In order to reduce the friction force between drag rope and sliding bar, in sliding bar The position that upper and drag rope contradicts, which is set, rolls post, is changed into rolling friction from sliding friction between sliding bar and drag rope, Reduce the tractive resistance of drag rope.

Further, unidirectional tension part is fixed in end of the tensioning frame away from carry-over pinch rolls, and unidirectional tension part offers receiving and led The cable-through hole that messenger rope passes through, cable-through hole set the elasticity only held drag rope and passed through along lead close to the side of take-up roller Part.

Using above technical scheme, when the threading speed of winding roller is unable to catch up with the speed of carry-over pinch rolls, carry-over pinch rolls and coiling Drag rope between roller loosens, this part drag rope may counter motion, cause drag rope to be wound on carry-over pinch rolls Loosen.Now, drag rope pass through unidirectional tension part after, under the deforming force of elastic component will not counter motion, to enter One step keeps this section cord to be in tensioning state.

Further, if elastic parts includes the dry elasticity extended from the end face of cable-through hole to drag rope lead Piece, one end convergence of the flexure strip away from cable-through hole are shunk.

Using above technical scheme, elastic component is made up of some flexure strips, drag rope from cable-through hole pass when, from cross line The circle centre position in hole passes, and drag rope promotes the free movable end of flexure strip to extend towards lead.When drag rope loosens During counter motion, the free movable end of flexure strip has the active force for recovering deformation, blocks drag rope, in case it continues to reverse Motion.

In summary, the utility model has the advantages that：

1st, take-up roller is set in the take-up direction of carry-over pinch rolls, most of drag rope of retracting subtracts around being located on take-up roller The quantity of few carry-over pinch rolls overhanging cable rope.

2nd, strainer is set between carry-over pinch rolls and take-up roller, the drag rope between the two rollers remains tensioning State.

3rd, unidirectional tension part is fixed in the one end of strainer away from carry-over pinch rolls, and drag rope is unidirectionally wrapped in along lead On take-up roller.

Brief description of the drawings

Fig. 1 is the structural representation that cable is twisted equipment；

Fig. 2 is the attachment structure schematic diagram of actuating unit and gearbox；

Fig. 3 is the structural representation that gearbox hides shell, to show its internal mechanism；

Fig. 4 is the internal structure schematic diagram of gearbox；

Fig. 5 is the structural representation of clutch component and brake assemblies；

Fig. 6 is that cable is twisted another visual angle schematic diagram of equipment, to show haulage gear, strainer and the company of take-up mechanism Connect relation schematic diagram；

Fig. 7 is the part-structure schematic diagram of strainer, to show tension assembly；

Fig. 8 is the circuit diagram of the first travel switch, the second travel switch and executive component.

In figure, 1, actuating unit；11st, power source；12nd, clutch end；13rd, powered pulley；14th, feed belt；2、 Gearbox；21st, shell；22nd, power input module；221st, power input shaft；222nd, first gear group；23rd, clutch component；231、 Power transmission belt pulley；232nd, link section；233rd, clutch part；24th, brake assemblies；241st, fixed brake ring；242nd, braking brake ring； 243rd, brake bar；244th, the strong point；25th, power output component；251st, power output shaft；252nd, second gear group；253rd, speed change Bar；3rd, haulage gear；31st, traction seat；32nd, line shaft；33rd, carry-over pinch rolls；4th, strainer；41st, tensioning frame；42nd, tension assembly； 421st, sliding bar；422nd, compression spring；423rd, line block is crossed；424th, post is rolled；425th, limited block；43rd, detection components；431st, detect Frame；432nd, the first travel switch；433rd, the second travel switch；44th, unidirectional tension part；441st, terminal is crossed；442nd, cable-through hole；443、 Flexure strip；5th, take-up mechanism；51st, take-up stand；52nd, take-up roller；53rd, handle.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

A kind of cable is twisted equipment, as shown in figure 1, the pedestal including being supported in ground, pedestal top sets actuating unit 1, provide power for whole equipment.The output end connection gearbox 2 of actuating unit 1, gearbox 2 is interior to set variable-speed unit and braking Unit.The output end connection haulage gear 3 of gearbox 2, is connected with haulage gear 3 and sets strainer 4, strainer 4 is remote The opening position of the end of haulage gear 3 at a distance sets take-up mechanism 5.

The drag rope of winding trailing cable on haulage gear 3, drag rope one end are connected with the head of cable, the other end Around haulage gear 3, and by strainer 4 around being located on take-up mechanism 5.Actuating unit 1 provides power input, driving traction Mechanism 3 drives drag rope to be constantly wrapped on take-up mechanism 5.When drag rope slightly relaxation, strainer 4 automatically adjusts The rate of tension of drag rope.When required tractive force difference, hauling speed can be adjusted according to actual condition, if run into Drag rope stretch tension or it is excessively loose when, start brake unit realize jerk.

With reference to Fig. 2, actuating unit 1 includes power source 11, and the clutch end 12 being connected with power source 11.Power is defeated Go out the connection of end 12 powered pulley 13, powered pulley 13 is connected by feed belt 14 with gearbox 2.

With reference to Fig. 2 and Fig. 3, gearbox 2 includes shell 21, and be arranged in parallel dynamic input module 22 and power in shell 21 Output precision 25, power input module 22 and the engagement linkage of power output component 25, power input module 22 pass through clutch component 23 choose whether to link with powered pulley 13.

With reference to Fig. 4, power input module 22 includes one end revolving support on shell 21, the other end and clutch component 23 Dynamic power input shaft 221, first gear group 222 is fixed on power input shaft 221.

Power input shaft 221 is connected by clutch component 23 with power source 11, and clutch component 23 includes and powered pulley The 13 power transmission belt pulleys 231 to be linked by feed belt 14, linkage section 232 is provided with the gyroaxis of power transmission belt pulley 13.Phase The clutch part 233 engaged with linkage section 232, clutch part 233 and power input shaft 221 are socketed with the power input shaft 221 answered The shaft end of power input shaft 221, and circumferential linkage therewith are connected to by feather key or spline sliding.

With reference to Fig. 3 and Fig. 5, power input shaft 221 sets brake assemblies 24, braking group close to the opening position of linkage section 232 Part 24 include be socketed on power input shaft 221, with power input shaft 221 link fixation brake ring 241, and be set in from On component 233, with clutch part 233 be rotatablely connected braking brake ring 242, braking brake ring 242 can drive clutch part 233 to by Slide near or away from fixed brake ring 241 direction.Driving braking brake ring 242 is provided with braking brake ring 242 to slide Brake bar 243.One end of brake bar 243 is be hinged with braking brake ring 242, and the other end stretches out shell 21, the middle part of brake bar 243 Following opening position is provided with the strong point 244 being rotatablely connected with shell 21.

When brake bar 243 with the strong point 244 is that detaching direction of the fulcrum along clutch part 233 promotes, the phase of braking brake ring 242 It should be separated with the first linkage section 232, while braking brake ring 242 engages with fixed brake ring 241, realizes jerk；Brake bar 243 When with the strong point 244 being that engagement direction of the fulcrum along clutch part 233 promotes, braking brake ring 242 is bonded with first section 232 that links Linkage, braking brake ring 242 separate with fixed brake ring 241, realize that power inputs.

With reference to Fig. 4, power output component 25 includes revolving support the power output shaft 251 on shell 21, power output It is fixed with the second gear group 252 engaged with first gear group 222 on axle 251, away from power source 11 on power output shaft 251 Side is fixed with gear lever 253.Gear lever 253 is according to the gear shift mode of conventional speed change case according to actual conditions adjustment traction speed Degree.

With reference to Fig. 6, haulage gear 3 includes the traction seat 31 for being fixed on ground, and revolving support is on traction seat 31 Line shaft 32, line shaft 32 are connected with power output shaft 251.Carry-over pinch rolls 33 are fixed with line shaft 32, carry-over pinch rolls 33 are in power Output shaft 251 is rotated by.The outer surface of carry-over pinch rolls 33 is in waist-drum-shaped, is wound above it with adapting to drag rope.

Strainer 4 includes being supported on ground, the tensioning frame 41 being connected with traction seat 31, and tensioning frame 41 is from traction seat 31 Extend to lead.Tensioning frame 41 is U-shaped, and two side walls of tensioning frame 41, which are respectively separated, sets two tension assemblies 42, two The cross-distribution of tension assembly 42 in individual side wall, the bottom wall of tensioning frame 41 set unidirectional tension part 44.

By taking one of tension assembly 42 as an example, with reference to Fig. 7, tension assembly 42 includes the cunning being slidably connected with tensioning frame 41 Lever 421, compression spring 422 is socketed with sliding bar 421, and limited block is fixed in one end that sliding bar 421 passes tensioning frame 41 425, the other end fixed line block 423, cross line block 423 caved inward away from the side of sliding bar 421 accommodate drag rope by, Cross line block 423 and be rotatably connected to the two rolling posts 424 vertical with drag rope lead away from the side of sliding bar 421, With the friction for reducing drag rope and crossing between line block 423.During drag rope normal stretch, it has necessarily to compression spring 422 Compression, sliding bar 421 stretches out the segment distance of tensioning frame 41 1, shows drag rope relaxed state in figure.

With reference to Fig. 6 and Fig. 7, tensioning and pine of the tension assembly 42 farthest apart from hitch frame with drag rope on tensioning frame 41 Relax and slided relative to tensioning frame 41, sliding bar 421 stretches out length accordingly elongation or the shortening of tensioning frame 41.In the sliding bar 421 stretch out the length direction fixed test component 43 of tensioning frame 41 along it, and detection components 43 are including being fixed on tensioning frame 41, edge The testing stand 431 that the length direction of sliding bar 421 is set.

Under normal circumstances, the sliding bar 421 is located at testing stand 431 under the restriction of compression spring 422 and drag rope Middle part.The opening position of the ultimate range and minimum range of stretching out tensioning frame 41 in sliding bar 421 on testing stand 431 fixes the respectively One stroke switch 432 and the second travel switch 433.In the sliding process of sliding bar 421, its touch the first travel switch 432 or During the second travel switch 433 of person, executive component driving brake bar 243 is braked（Direction as shown by the arrows in Figure 5）, wherein performing member Part can be the element that motor, hydraulic cylinder etc. can promote brake.

The circuit of first travel switch 432, the second travel switch 433 and executive component is as shown in figure 8, work as sliding bar 421 When the end of stretching tensioning frame 41 touches the first travel switch 432, executive component promotes brake bar 243 to brake；Work as sliding bar When the end of 421 stretching tensioning frames 41 touches the second travel switch 433, executive component promotes brake bar 243 to brake.

When drag rope tensioning tension, drag rope applies thrust to sliding bar 421, promotes sliding bar 421 gradually to stretch Go out tensioning frame 41, until the end of sliding bar 421 touches the first travel switch 432.Now, the brake bar 243 of gearbox 2 is made Dynamic, whole cable is twisted equipment and is stopped, and adjusts the elastic of drag rope and is then turned on power source 11 afterwards.

When drag rope excessively relax, to sliding bar 421 without impetus power.Now, compression spring 422 extends naturally, Sliding bar 421 is close to the lateral wall of tensioning frame 41 along testing stand 431, until the end of sliding bar 421 touches the second stroke Switch 433.Now, the brake bar 243 of gearbox 2 is braked, and whole cable is twisted equipment and is stopped, after adjustment drag rope Restart.

With reference to 6 and Fig. 7, in order to further increase the tensioning function power of drag rope, tensioning frame 41 is away from haulage gear 3 Unidirectional tension part 44 is fixed in end, and unidirectional tension part 44 includes being fixed on crosses terminal 441 on tensioning frame 41, crosses in terminal 441 Cable-through hole 442 is opened up along the lead of drag rope.The one end of cable-through hole 442 away from tensioning frame 41 opening along cable-through hole 442 Mouth sets some flexure strips 443, and flexure strip 443 is arranged along the circumferencial direction of cable-through hole 442, and flexure strip 443 inwardly collapses and traction Rope is bonded.After drag rope is by strainer 4, stretched out from terminal 441 is crossed, it stretched out the end of terminal 441 in bullet Under the recovery shape inotropic action of property piece 443, it can only be stretched along its lead.

Take-up mechanism 5 includes the take-up stand 51 for being supported on ground, and the upper rotary of take-up stand 51 is supported by take-up roller 52, take-up roller Handle 53 is fixed in 52 side, holds handle 53 and drives take-up roller 52 to rotate take-up, the pull rope stretched out from unidirectional tension part 44 Rope is around being located on take-up roller 52.

In use, one end of drag rope and the head of cable are fixed, the other end bypasses carry-over pinch rolls 33, and sequentially bypasses Line block 423 is crossed, passes, is wound on take-up roller 52 at the flexure strip 443 of cable-through hole 442, now, drag rope is in nature drawing Tight state.Start power source 11, the driving power input shaft 221 of power source 11 rotates, and then drives first gear group 222 to rotate. The concomitant rotation of second gear group 252 engaged with first gear group 222, and drive carry-over pinch rolls 33 to rotate.

In rotation process, pulling traction rope travels forward carry-over pinch rolls 33, rotates take-up roller 52 and retracts drag rope.Traction Rope is only capable of the pull rope along lead take-up, being placed on take-up roller 52 in the case where the flexure strip 443 for crossing line block 423 acts on Suo Buhui inversely loosens.When the speed of take-up is less than the speed that carry-over pinch rolls 33 rotate on take-up roller 52, carry-over pinch rolls 33 are drawn to unidirectional Drag rope between tight part 44 is relaxed, and drag rope is tightened in the stretching of compression spring 422 on sliding bar 421.

When drag rope relaxation to all tension assemblies 42 is in maximum elongation state, close to the tensioning of take-up roller 52 Component 42 touches the first travel switch 432, and brake bar 243 is braked, and closes power source 11.When drag rope be tensioned to it is all When tension assembly 42 is in minimal compression, the second travel switch 433, braking are touched close to the tension assembly 42 of take-up roller 52 Bar 243 is braked, and closes power source 11.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims (8)

1. a kind of cable is twisted equipment, including carry-over pinch rolls（33）, and driving carry-over pinch rolls（33）The power source of rotation（11）, it is special Sign is：In carry-over pinch rolls（33）Take-up end set strainer（4）, strainer（4）Including tensioning frame（41）, tensioning frame （41）On be slidably connected it is some conflict drag ropes, adjustment pass through tensioning frame（41）The tension assembly of drag rope length（42）.

2. cable according to claim 1 is twisted equipment, it is characterised in that：Tension assembly（42）Along the traction of drag rope Direction is staggered in the both sides of tensioning rope, two neighboring tension assembly（42）Contradict the in opposite direction of drag rope.

3. cable according to claim 1 is twisted equipment, it is characterised in that：Tension assembly（42）Including one end and tensioning frame （41）It is slidably connected, the sliding bar that the other end and drag rope contradict（421）, sliding bar（421）Upper socket compression elastic piece.

4. cable according to claim 3 is twisted equipment, it is characterised in that：Sliding bar（421）With tensioning frame（41）Slide Limited block is fixed in the end of connection（425）.

5. cable according to claim 4 is twisted equipment, it is characterised in that：Sliding bar（421）Contradicted with drag rope One end caves inward to form crossed beam trunking.

6. cable according to claim 5 is twisted equipment, it is characterised in that：Sliding bar（421）Contradicted with drag rope One end is rotatably connected to the rolling post vertical with drag rope lead（424）.

7. cable according to claim 1 is twisted equipment, it is characterised in that：Tensioning frame（41）Away from carry-over pinch rolls（33）End Unidirectional tension part is fixed in portion（44）, unidirectional tension part（44）Offer and accommodate the cable-through hole that drag rope passes through（442）, cable-through hole （442）Close to take-up roller（52）Side set and only hold the elastic parts that passes through along lead of drag rope.

8. cable according to claim 7 is twisted equipment, it is characterised in that：Elastic parts is included from cable-through hole（442）'s Play some flexure strips extended to drag rope lead in end face（443）, flexure strip（443）Converge one end away from cable-through hole Shrink.