CN208135716U - Hand rail tension device for escalator - Google Patents

Abstract

The utility model proposes a kind of hand rail tension device for escalator, the escalator includes truss and can include relative to the cricoid handrail of truss rotation, the hand rail tension device：Substrate is equipped with the idler wheel for being used to support handrail on substrate；Guiding mechanism, the guiding mechanism are fixed to truss；Also, the substrate is connected to guiding mechanism and can be relative to guiding mechanism rotation and translation, will pass through the state that substrate adjustment handrail is well tensioned to make handrail be in.The hand rail tension device may insure that tensioning apparatus is mounted on more accurate position, and more easily adjust handrail tensile force, reduces the time of adjustment handrail, increases the service life of handrail.

Description

Hand rail tension device for escalator

Technical field

The utility model relates to escalator fields, and in particular, to the hand rail tension device for escalator.

Background technique

In escalator handrail system, due to manufacture caused by handrail length variation and when long escalator Between operation bring handrail strip length variation, need handrail tension structure guide handrail and eliminate handrail strip length become The influence of change makes handrail keep reasonable rate of tension, so as to operate normally.

The solution of the fixation hand rail tension device generallyd use at present is, usually using wherein curved with elongated slot Plate as the bottom plate of tensioning apparatus, or uses the bottom plate (structure similar to Figure 1) of bent plate connection tensioning apparatus, bent plate It is directly anchored on truss.However, since bent plate angular deviation caused by manufacturing and scale error, the bottom plate of tensioning apparatus are difficult to It is mounted on correct position, so bearing and guide roller are difficult in correct position, this causes handrail to deviate planned course fortune Capable and handrail is detached from idler wheel, causes the handrail lost of life.

Another problem of the prior art is, at tensioning bolt, when tensing handrail, tensile force is unable to control, and does not have Measure the function of tensile force.

For this reason, it may be necessary to which a kind of new solution, can conveniently and more accurately be tensioned handrail, when saving operation Between, extension handrail band service life.

Utility model content

In order to solve the above-mentioned technical problem, on the one hand, the utility model proposes a kind of handrails for escalator Tight device, the escalator include truss and can be relative to the cricoid handrail of truss rotation, the handrail tensioning dresses Set including：Substrate is equipped with the idler wheel for being used to support handrail on substrate；Guiding mechanism, the guiding mechanism are fixed to truss； Also, the substrate is connected to guiding mechanism and can be relative to guiding mechanism rotation and translation, will pass through substrate adjustment handrail The state that band is well tensioned to make handrail be in.

According to the utility model preferred embodiment, after substrate is adjusted in place, substrate is fixed relative to guiding mechanism.

According to the utility model preferred embodiment, substrate is fixed to guiding mechanism by the first fastener.

According to the utility model preferred embodiment, substrate is affixed directly to truss by least one second fastener.

According to the utility model preferred embodiment, guiding mechanism includes guide rod, and substrate includes being fixed on substrate and having There is the first protruding portion of first through hole, which allows guide rod to pass therethrough to allow the first protruding portion and substrate It rotates around guide rod and is translated along the length direction of guide rod, also, after substrate is adjusted in place, the first protruding portion passes through first Fastener is fixed to guide rod.

According to the utility model preferred embodiment, guide rod includes the flat surfaces extended in its longitudinal direction, is used to It is engaged with the first fastener.

According to the utility model preferred embodiment, hand rail tension device further includes strainer, the strainer Including be fixed to truss first part and can relative to first part move second part, second part be connected to substrate with Substrate is driven to move together.

According to the utility model preferred embodiment, first part includes fixed to truss and there is edge to be parallel to guide rod The bracket of second through-hole of orientated lengthwise, second part include nutted rod, which allows nutted rod from wherein wearing It crosses that nutted rod is allowed to translate up relative to bracket rotation and along the side for the length direction for being parallel to guide rod.

According to the utility model preferred embodiment, the nutted rod is fixedly connected with substrate, and the second part also wraps The scale with scheduled length being arranged on nutted rod, and the spring between bracket and scale are included, so that working as institute When stating scale towards movement of bracket spring compressed and when spring is compressed to the length being pre-designed scale Appointed edges Edge is generally aligned with the respective edges of bracket, thereby indicates that operator's handrail is in the state being rationally tensioned.

According to the utility model preferred embodiment, substrate further includes the second protruding portion being fixed on substrate, be used to Nutted rod is fixedly connected.

According to the utility model preferred embodiment, the nutted rod is threaded rod and can be fixed to support by nut Frame, scale can be fixed to threaded rod by nut.

According to the utility model preferred embodiment, hand rail tension device further includes the first component being fixed on truss And the second component being connected between the first component and guiding mechanism.

According to the utility model preferred embodiment, second component includes the first pontes and is substantially perpendicular to first The second connecting portion point of coupling part arrangement, the first pontes and second connecting portion point pass through at least one third respectively Fastener and at least one the 4th fastener are respectively fixed to the first component and guiding mechanism.

According to the utility model preferred embodiment, second component further includes being connected to the first pontes and the second connection At least one flank between part.

According to the utility model preferred embodiment, the length oriented along the longitudinally of truss is equipped on the first component Slot, the elongated slot allow at least one third fastener wherein moving to allow second component flat along the longitudinally of truss It moves.

According to the utility model preferred embodiment, the length direction of guide rod is disposed parallel to the longitudinally of truss.

According to the utility model preferred embodiment, it is equipped on the first pontes and corresponds to the fastening of at least one third Part and at least one first slotted hole oriented along the width direction of truss, to allow at least one described third fastener at it Middle movement is to allow second component to translate along the width direction of truss.

According to the utility model preferred embodiment, correspond at least one the 4th fastening in upper be equipped with of second connecting portion point Part and at least one second slotted hole oriented along the transverse direction of truss, to allow at least one described the 4th fastener at it Middle movement is to allow guiding mechanism to translate relative to the transverse direction of truss.

On the other hand, the utility model proposes a kind of escalators, which is characterized in that the escalator includes as previously described The hand rail tension device for escalator.

The advantage of the hand rail tension device for escalator of the utility model is：It may insure that tensioning apparatus is pacified On more accurate position；More easily adjust handrail tensile force；Reduce factory when installation hand rail tension device when Between；Substantially reduce the time for readjusting handrail at the scene；Handrail belt wear is reduced, the operating status of handrail is kept, into The service life of one step increase handrail.

Detailed description of the invention

Above and other feature and advantage of the utility model will become through the following detailed description taken in conjunction with the accompanying drawings more Add obvious, and the following description and drawings being given for example only property purpose, rather than limits the utility model in any way Range, wherein：

Fig. 1 is the schematic diagram of existing hand rail tension device；

Fig. 2 is the solid according to the hand rail tension device for escalator of the utility model of preferred embodiment Schematic diagram；

Fig. 3 is the solid according to the hand rail tension device for escalator of the utility model of preferred embodiment Schematic diagram；

Fig. 4 is the second component of the hand rail tension device of the utility model and the stereoscopic schematic diagram of guiding mechanism；

Fig. 5 is the stereoscopic schematic diagram of the second component of the hand rail tension device of the utility model；

Fig. 6 schematically shows the substrate and strainer of the hand rail tension device of the utility model；

Fig. 7 is the stereoscopic schematic diagram of the strainer of the hand rail tension device of the utility model.

Specific embodiment

Aforementioned and other technology contents, feature and technical effect in relation to the utility model refer to attached drawing in following cooperation It can clearly be presented in the detailed description of embodiment.Explanation includes various specific details to help the understanding below, but this A little details should be considered as being only exemplary.

Through the description and claims of present specification, word " comprising " and modification mean " including but unlimited In ", and be not intended to exclude other component, entirety or step.It should be understood that singular " one ", "one" and "the" packet Reference containing plural number, unless context clearly separately has miscellaneous stipulations.In addition, although such as " first " and " second " may be used Statement each element of the utility model described, but they are not intended to limit corresponding element.For example, above-mentioned statement It is not intended to the sequence or importance for limiting corresponding element.Above-mentioned statement is for distinguishing a component and another component It opens, without departing substantially from the scope of the utility model, " first component " can be written as " second component ".

When element is mentioned as " connected " to another element, this may mean that it is connected directly to other elements, but It should be understood that there may be intermediary elements.Alternatively, when element is mentioned as " being directly connected to " to another element, It should be understood that intermediary element is not present between two elements.Similarly, when element is mentioned as " fixation " to another member When part, it is understood that there may be intermediary element；When element is mentioned as " directly fixed " to another element, it should be appreciated that two Intermediary element is not present between element.

It should be noted that direction term mentioned herein, such as up, down, left, right, before and after etc. are only joined The direction for examining attached drawing, the direction term used are intended to be illustrative and not intended to limit the utility model.

It is tensioned below with reference to the handrail according to the Detailed description of the invention of the preferred embodiments of the present invention for escalator The specific structure and working principle of device.

Escalator generally comprises drive system, truss, step, guardrail, handrail etc., and handrail is annular in shape, is driving Rotary motion is done under the driving of dynamic system.Fig. 2 locally shows the truss 1 of escalator, may include crossbeam 11,12, stringer 13, support plate 14 and fashioned iron etc..In illustrated embodiment, crossbeam 11 is parallel with the direction of motion of the step of slant operation, and Crossbeam 12 is parallel with the direction of motion of the step of level run, and the handrail 2 of escalator is in crossbeam 11,12 joint movement sides To changing, moved from the direction of the crossbeam 11 along truss 1 be changed into along diagram downwardly direction move.Preferably, originally The hand rail tension device setting of utility model is in the position.

Hand rail tension device mainly includes substrate 3 and guiding mechanism 4.Guiding mechanism 4 can be directly solid by fastener Surely truss 1, such as crossbeam 11 are arrived.It is equipped with the supporting rollern 32 for being used to support handrail 2 on the substrate 3, can also be equipped with for drawing Lead the guide roller 31 etc. of the movement of handrail 2.Substrate 3 is connected to guiding mechanism 4 and can rotate peace relative to guiding mechanism 4 It moves, will pass through the state that substrate adjustment handrail is well tensioned to make handrail be in.

Preferably, as shown in Figures 3 and 4, guiding mechanism 4 includes the guide rod 41 of diagram, further includes ontology 42 and in ontology Two protrusions 43,44 being integrally formed on the same side (diagram downside) with ontology 52.One end of guide rod 41 is fixedly mounted (such as logical Cross diagram fastening bolt) in protrusion 43, the other end is fixedly mounted in protrusion 44.Substrate 3 includes extending from substrate is prominent First protruding portion 35, the protruding portion 35 have first through hole 351, allow guide rod 41 to pass therethrough to allow the first protruding portion 35 and substrate 3 around guide rod 41 rotate and along the length direction of guide rod 41 translate.Optionally, the first protruding portion 35 can be list Only block, block are affixed directly to substrate 3 for example, by welding.After substrate 3 is adjusted to suitable position, the first protruding portion 35 is logical The first fastener 352 is crossed fixed to guide rod 41.For example, the first fastener 352 can be hex bolts.Guide rod 41 is included in its length The flat surfaces 411 that degree side upwardly extends, for being engaged with the tail end of the first fastener 352, so that it is easy to torquing operations, and Make between the first protruding portion 35 and guide rod 41 be fastenedly connected it is relatively reliable.

The utility model technical staff is it is understood that guiding mechanism 4 can also have the form of open circles pin (attached It is not shown go out), straight pin is hollow and slots on entire axial direction, thus straight pin have generally C-shaped cut Face.Correspondingly, the protruding portion of substrate 3 also has cylindrical outer profile, and open circles pin allows protruding portion to transport wherein as a result, It moves that protruding portion and substrate 3 is allowed to rotate and translate relative to straight pin.

After substrate 3 is adjusted to suitable position, substrate 3 can also be affixed directly to at least one the second fastener 33 Substrate 3 is directly fastened to truss with two T shape stay bolts, guaranteed in handrail by truss in the preferred embodiment shown in figure 2 Stabilization with hand rail tension device in 2 operational process.In this way, in re-tensioning handrail 3, it is only necessary to unscrew the first fastening Part 352 and the second fastener 33, so that it may adjust substrate 3 along the length direction of guide rod 41, it can also be relative to The rotation of guide rod 41 is adjusted, so that substrate 3 rapidly be made to be adjusted to correct position.

With reference to Fig. 4 and Fig. 5, the hand rail tension device of the utility model can also include first be fixed on truss 1 Component 5 and the second component 6 being connected between the first component 5 and guiding mechanism 4.Wherein, second component 6 includes first connecting portion Divide 61 and second connecting portion point 62, it is preferred that the first pontes 61 is substantially perpendicular to second connecting portion point 62.First connects Socket part is divided to 61 and second connecting portion is divided to 62 to pass through at least one (diagram two) third fastener 64 respectively and at least one (is illustrated Two) the 4th fastener 65 is respectively fixed to the first component 5 and guiding mechanism 4.Second component 6 further includes being connected to the first connection Reinforcing ribs 63 between part 61 and second connecting portion point 62.

Back to Fig. 3, the elongated slot 51 oriented along the longitudinally X of truss 1 can be equipped on the first component 5, which permits Perhaps third fastener 64 is wherein moving that second component 6 is allowed to translate along the longitudinally of truss 1.It is preferred real in diagram It applies in example, the length direction of the guide rod 41 of guiding mechanism 4 is disposed parallel to the longitudinally X of truss 1, it is to be understood that Guide rod 41 can not be arranged in parallel with the longitudinally of truss 1, but at an angle as needed.

In addition, can be equipped on the first pontes 61 of second component 6 corresponding at least one third fastener 64 and Along truss 1 width direction Y orient at least one first slotted hole 611, with allow third fastener 64 move wherein from And second component 6 is allowed to translate along the width direction Y of truss 1.

Further, it is equipped in second connecting portion point 62 corresponding at least one the 4th fastener 65 and along truss 1 At least one second slotted hole 621 of transverse direction Z orientation, to allow the 4th fastener 65 to move to allow to guide wherein Mechanism 4 is translated relative to the transverse direction Z of truss 1.

By the above-mentioned means, tensioning apparatus when installing can entire truss 1 longitudinally X it is (opposite as shown in the figure In the left and right directions of crossbeam 11), (the diagram front and back width direction Y (up and down direction relative to crossbeam 11) and transverse direction Z To) enterprising line position sets adjustment.Moreover, the rotation adjusting around X-direction can also be realized.The substrate 3 of tensioning apparatus is difficult to The problem of being adjusted to correct position is improved, and supporting rollern 32 and guide roller 33 can advantageously be in correct, not partially very much Oblique position.

Optionally, it is equipped at least one jack bolt 34 (Fig. 3) on the substrate 3, can be adjusted by adjusting jack bolt 34 The distance between the stringer at 3 rear of integral basis plate 3 and substrate.

With reference to Fig. 3 and Fig. 7, the hand rail tension device of the utility model further includes strainer 7, the strainer 7 packet Include fixed to truss 1 first part and can relative to first part move second part, second part be connected to substrate 3 with Substrate 3 is driven to move together.Wherein, first part includes the support that can be fixed to by fastening bolt in the support plate 14 of truss 1 Frame 71, bracket 71 have the second through-hole 711 along the orientated lengthwise for being parallel to guide rod 41；Second part includes nutted rod 72, the second through-hole 711 allow nutted rod 72 pass therethrough to allow nutted rod 72 relative to bracket 71 rotate with along parallel It is translated up in the side of the length direction of guide rod 41.Preferably, substrate 3 includes the second protruding portion 36 for being fixed thereon, and second Protruding portion can be angle-shaped piece as shown in the figure, it is possible to have other forms.By the fasteners such as bolt, nutted rod 72 and Two protruding portions 36 are fixedly connected, to drive substrate 3 to move with nutted rod 72.

Second part 6 further includes the scale 73 being arranged on nutted rod 72, with scheduled length, and is located at bracket 71 Spring 74 between scale 73, so that spring 74 is compressed and when spring 74 is pressed when scale 73 is moved towards bracket 71 The designated edge (such as diagram edge 730) of scale 73 and the corresponding edge 710 of bracket 71 when being reduced to the length being pre-designed It is generally aligned, thereby indicates that operator's handrail 2 is in the state being rationally tensioned.In diagram preferred embodiment, Tight bar 72 is screwed threaded rod, and bracket 71 can be fixed to by nut, and scale 73 can be fixed to nutted rod by nut 72 one end.

As shown in fig. 7, scale 73 is located between the other end and bracket 71 of nutted rod 72, and there is the shape of diagram bending One of end of shape, scale 73 extends towards bracket 8, another end is fastened on nutted rod 72 by nut.Spring 74 between scale 73 and the through-hole 711 of bracket 71 and are set on nutted rod 7, and spring 74 is stopped by bracket 71, works as rotation When nutting makes scale 73 shift to bracket 71 to start to adjust substrate 3, spring 74 is compressed.In order to relatively accurately measure The size of 2 tensile force of handrail, according to required tensile force size, the performance parameter of spring 74, be pre-designed a length and Length of the scale, if making spring 74 be compressed to the length being pre-designed the tensile force of substrate 3 and handrail 2, One edge 730 of scale 73 is just generally aligned with the corresponding edge of bracket 71 (such as diagram edge 710), is thus operated Personnel can clearly know that handrail is tensioned with the tensile force for being expected size, i.e., in the state being rationally tensioned.About opposite Two edges answered, operator can voluntarily select, and be not necessarily intended to the edge with diagram.Using scale 73, facilitate fast Spring 73 is pressed onto correct length by fast ground, to determine whether the tensile force of tensioning apparatus is reasonable rapidly.

The scheme (such as Fig. 1) of the bottom plate using bent plate connection tensioning apparatus of the prior art, bent plate is fixed by T-bolt On truss, this scheme can only be adjusted in the left and right directions of truss, cannot be adjusted in the up-down direction, moreover, in right and left It is very troublesome to adjusting nut when adjusting bent plate and bolt, it is time-consuming and laborious.Especially in curstomer's site, escalator through it is too long when Between run, the length of handrail is changed, and needs the more time that could unclamp in turn and to tighten nut, bolt, T-type long Bolt, jack bolt and nut is screwed on bolt, thus could readjust the tensile force of handrail.Further, since curved Plate angular deviation, bent plate cannot be guaranteed accurate right angle, along with truss welding error, bent plate scale error etc., cause and open Tight device installation rear support and guide roller cannot can not be contacted in the idler wheel at correct position or even both ends with handrail, handrail Band deviates correct track, influences the operation function of handrail, and further result in handrail belt wear.Tensioning apparatus is tensioned spiral shell Operator does not know exact tensile force when bolt tenses, and can only be judged by feeling, therefore be difficult to make when specific operation Tensile force is in reasonable range, the final power consumption for influencing handrail tape lifetime and drive system.

And in this new solution of the utility model, hand rail tension device can adjust in the X, Y, Z direction, Substrate 3 relative to the rotation of guiding mechanism 4 and can translate simultaneously, can easily, quickly carry out adjusting roughly and finely adjust It is whole, so that bearing and guide roller are located at correct position to ensure that handrail operates normally.It needs to readjust at the scene and help When hand strap, the nut on the first fastener 351 and nutted rod 72 need to be only unclamped, is then sought by tightening nut compressed spring The most suitable position of tensile force is looked for, when the edge of scale 73 is aligned with the respective edges of bracket 71 again, it is meant that handrail In good tensioning state, in this way, convenient, accurate tensile force control is realized, and adjust movement again in this way The required time greatly reduces than the scheme of the prior art.

The embodiment of the utility model is generally applicable to need periodically to readjust the nearly all automatic of handrail tensile force Staircase product.

One of ordinary skill in the art will appreciate that without departing substantially from originally practical as defined by appended claims In the case where novel range, changes and improvements can be made to various embodiments described herein.In addition, in order to clear and For purpose of brevity, the description to well known function and construction may be omitted.

Finally, it is also to be appreciated that certain technical characteristics in embodiment may for solving specific technical problem Be not required in that, so as to without or omit solution or technical side of these technical characteristics without influence technique problem The formation of case；Moreover, the feature of one embodiment, element and/or function can with the features of other one or more embodiments, Element and/or function be suitably combined with each other, combination perhaps cooperation unless the combination, combination or cooperation be not obvious implementable.

Claims (19)

1. a kind of hand rail tension device for escalator, the escalator includes truss and can rotate relative to truss Cricoid handrail, which is characterized in that the hand rail tension device includes：

Substrate is equipped with the idler wheel for being used to support handrail on substrate；

Guiding mechanism, the guiding mechanism are fixed to truss；

Also, the substrate is connected to guiding mechanism and can be relative to guiding mechanism rotation and translation, will pass through substrate adjustment The state that handrail is well tensioned to make handrail be in.

2. the hand rail tension device according to claim 1 for escalator, which is characterized in that be adjusted in substrate After in place, substrate is fixed relative to guiding mechanism.

3. the hand rail tension device according to claim 2 for escalator, which is characterized in that substrate passes through first Fastener is fixed to guiding mechanism.

4. the hand rail tension device according to claim 2 for escalator, which is characterized in that substrate is by least One the second fastener is affixed directly to truss.

5. the hand rail tension device according to claim 3 for escalator, which is characterized in that guiding mechanism includes Guide rod, substrate include the first protruding portion for being fixed on substrate and having first through hole, which allows guide rod from wherein It translates around guide rod rotation and across to the first protruding portion of permission and substrate along the length direction of guide rod, also, in substrate After being adjusted in place, the first protruding portion is fixed to guide rod by the first fastener.

6. the hand rail tension device according to claim 5 for escalator, which is characterized in that guide rod is included in it The flat surfaces extended on length direction are used to engage with the first fastener.

7. the hand rail tension device according to claim 5 for escalator, which is characterized in that further include tensioning device Structure, the strainer include fixed to truss first part and can relative to first part move second part, second Substrate is attached partially to drive substrate to move together.

8. the hand rail tension device according to claim 7 for escalator, which is characterized in that first part includes Bracket fixed to truss and with the second through-hole along the orientated lengthwise for being parallel to guide rod, second part include tensioning Bar, second through-hole allow nutted rod to pass therethrough that nutted rod is allowed to be parallel to guide rod relative to bracket rotation and edge The side of length direction translates up.

9. the hand rail tension device according to claim 8 for escalator, which is characterized in that the nutted rod with Substrate is fixedly connected, and the second part further includes the scale with scheduled length being arranged on nutted rod, and is located at Spring between bracket and scale, so that spring is compressed and when spring is compressed to when the scale is towards movement of bracket The designated edge of scale is generally aligned with the respective edges of bracket when the length being pre-designed, and thereby indicates that operator's handrail Band is in the state being rationally tensioned.

10. the hand rail tension device according to claim 9 for escalator, which is characterized in that substrate further includes The second protruding portion being fixed on substrate, for being fixedly connected with nutted rod.

11. the hand rail tension device according to claim 9 for escalator, which is characterized in that the nutted rod It is threaded rod and bracket can be fixed to by nut, scale can be fixed to threaded rod by nut.

12. the hand rail tension device according to claim 1 for escalator, which is characterized in that further include fixing In the first component on truss and the second component being connected between the first component and guiding mechanism.

13. the hand rail tension device according to claim 12 for escalator, which is characterized in that second component packet Include the first pontes and be substantially perpendicular to the second connecting portion point of the first pontes arrangement, the first pontes and Second connecting portion point is respectively fixed to the first component by least one third fastener and at least one the 4th fastener respectively And guiding mechanism.

14. the hand rail tension device according to claim 13 for escalator, which is characterized in that second component is also Including at least one flank being connected to point between the first pontes and second connecting portion.

15. the hand rail tension device according to claim 13 for escalator, which is characterized in that in the first component It is equipped with the elongated slot oriented along the longitudinally of truss, which allows at least one third fastener to move wherein to permit Perhaps second component is translated along the longitudinally of truss.

16. the hand rail tension device according to claim 15 for escalator, which is characterized in that the length of guide rod Direction is disposed parallel to the longitudinally of truss.

17. the hand rail tension device according to claim 13 for escalator, which is characterized in that in the first connection Part is equipped at least one first slotted hole for corresponding at least one third fastener and orienting along the width direction of truss, To allow at least one described third fastener wherein moving that second component is allowed to translate along the width direction of truss.

18. the hand rail tension device according to claim 13 for escalator, which is characterized in that in the second connection Part is equipped at least one second slotted hole for corresponding at least one the 4th fastener and orienting along the transverse direction of truss, To allow at least one described the 4th fastener wherein moving to allow guiding mechanism flat relative to the transverse direction of truss It moves.

19. a kind of escalator, which is characterized in that the escalator include according to claim 1 to 18 it is described in any item Hand rail tension device for escalator.