CN218143895U - Tension device - Google Patents

Abstract

The utility model provides a tensioning device, which comprises a support structure and two clamping mechanisms, wherein the two clamping mechanisms are oppositely arranged on the support structure, and an operation space is formed between the two clamping mechanisms; the two clamping mechanisms are respectively used for clamping a first end and a second end of the belt subjected to belt breakage treatment, the section of the first end and the section of the second end of the belt are both positioned in an operation space, and the operation space is used for connecting the first end and the second end of the belt through a belt buckle, or the operation space is used for adding an additional belt with a preset length between the first end and the second end of the belt, so that the two ends of the additional belt are respectively connected with the first end and the second end of the belt; wherein at least one of the two clamping mechanisms is movably arranged for tightening the belt. The utility model provides a belt of sealing-tape machine among the prior art prolong or overhaul when changing the belt clamp, be difficult to the problem of tensioning.

Description

Tension device

Technical Field

The utility model relates to a transportation equipment overhauls technical field, particularly, relates to a overspeed device tensioner.

Background

The belt conveyor is usually used for conveying out coal generated in the coal mine roadway tunneling production process, and in the using process, the belt conveyor usually faces two problems, on one hand, the length of a belt of the belt conveyor needs to be adjusted according to the change of the distance of the tunneling roadway, on the other hand, the belt conveyor needs to be periodically overhauled, clips are punched, belt buckles are newly made, the normal operation of the belt conveyor is ensured, and the belt of the belt conveyor needs to be tensioned on the two aspects.

In the prior art, the belt conveyor is provided with the tensioning part in a matching manner, however, the existing tensioning part is easy to suffer from the problems of ageing and corrosion of a machine frame, shortage of accessories or inapplicability to the use conditions of the tensioning part and the like after long-term use, so that the belt of the belt conveyor is prolonged or cannot be tensioned again after a belt head is made and a card is punched.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a tensioning device for extending or repairing a belt of an adhesive tape machine in the prior art, which is difficult to tension.

In order to achieve the above object, the present invention provides a tensioning device, which comprises a support structure and two clamping mechanisms, wherein the two clamping mechanisms are oppositely arranged on the support structure, and an operation space is formed between the two clamping mechanisms; the two clamping mechanisms are respectively used for clamping a first end and a second end of the belt subjected to belt breakage treatment, the section of the first end and the section of the second end of the belt are both positioned in an operation space, and the operation space is used for connecting the first end and the second end of the belt through a belt buckle, or the operation space is used for adding an additional belt with a preset length between the first end and the second end of the belt, so that the two ends of the additional belt are respectively connected with the first end and the second end of the belt; wherein at least one of the two clamping mechanisms is movably arranged for tightening the belt.

Furthermore, the clamping mechanism comprises two sub-clamping structures which are arranged in a stacking manner, so that a clamping space is formed between the two sub-clamping structures; at least one of the two sub-clamping structures is provided with an avoidance through hole which is communicated with the clamping space, wherein the sub-clamping structure with the avoidance through hole is also provided with a clamping block, the clamping block is provided with a clamping position which penetrates through the avoidance through hole and extends into the clamping space to be used for clamping the belt, and the clamping block is provided with an avoidance position which exits from the clamping space through the avoidance through hole.

Furtherly, the cross section of two sub-clamping structures all is the U type, and the open-ended orientation of two sub-clamping structures sets up mutually separately, and anticreep bolt-up connection is passed through at the width direction's of belt both ends to two sub-clamping structures, and the tight piece setting of clamp is in the U type inslot that has the sub-clamping structure of dodging the via hole.

Further, the clamping mechanism further comprises a fixing block and a clamping bolt, wherein the fixing block is arranged at the notch of the U-shaped groove of the sub-clamping structure, and an internal threaded hole is formed in the fixing block; the clamping bolt penetrates through the internal thread hole and is connected with the clamping block, and the clamping block is switched between a clamping position and an avoiding position by screwing the clamping bolt in different directions.

Furtherly, the fixed block is a plurality of, and a plurality of fixed blocks set up along the width direction interval of belt, and clamping bolt is a plurality of, and a plurality of clamping bolt set up with a plurality of fixed blocks one-to-one, is provided with the nut on at least one fixed block in a plurality of fixed blocks, and the screw and the internal thread hole intercommunication of nut, clamping bolt pass screw, internal thread hole in proper order and with press from both sides tight piece and be connected.

Furthermore, the two clamping mechanisms comprise a first clamping mechanism and a second clamping mechanism, the first clamping mechanism is arranged at the first end of the support structure, and the first clamping mechanism is detachably connected with the support structure; the second clamping mechanism is arranged at the second end of the support structure and movably arranged along the length direction of the belt, and the second clamping mechanism is detachably connected with the support structure; the tensioning device further comprises a driving part, a fixed end of the driving part is fixedly connected with a second end of the support structure, a driving end of the driving part is in driving connection with the second clamping mechanism, and the driving end is movably connected with the fixed end.

Furthermore, the tensioning device also comprises an anti-falling fixing frame and a mounting bracket, wherein the anti-falling fixing frame is arranged at the first end of the bracket structure, one part of the anti-falling fixing frame is connected with the bracket structure, and the other part of the anti-falling fixing frame is fixedly connected with the first clamping mechanism; the mounting bracket sets up at the second end of supporting structure, and the mounting bracket is used for being connected with the stiff end of drive division, and the drive end of drive division sets up for the stiff end along the length direction telescopically of belt to provide the effort that moves towards first clamping mechanism one side to second clamping mechanism, and provide the effort that deviates from first clamping mechanism one side and move to second clamping mechanism.

Further, overspeed device tensioner still includes anticreep guide structure, and anticreep guide structure sets up on bearing structure to be located second clamping mechanism's moving direction, anticreep guide structure is the U type, and at least partly the U type inslot that is located anticreep guide structure of the stiff end of drive division.

Furthermore, two sub-clamping structures of the second clamping mechanism are provided with lug structures, each lug structure is provided with a first positioning hole, the end part of the driving end of the driving part extends into a limiting groove between the two lug structures, the driving end of the driving part is provided with a second positioning hole, the tensioning device further comprises a fastener, and the fastener sequentially penetrates through one first positioning hole, the second positioning hole and the other first positioning hole in the two first positioning holes.

Furthermore, the sub-clamping structure positioned below the two sub-clamping structures of the second clamping mechanism is also provided with a limiting plate, the limiting plate is L-shaped, so that a guide chute is formed between the limiting plate and the sub-clamping structures, and a guide rod on the support structure extends into the guide chute to be arranged.

Use the technical scheme of the utility model, through setting up two clamping mechanism relatively on supporting structure, and at least one movably sets up among two clamping mechanism, thus, need overhaul at the belt, when changing the belt buckle, two clamping mechanism press from both sides the first end and the second end of the belt after handling of disconnected area respectively, can the activity in two clamping mechanism provide belt pulling force effect, make the first end and the second end of belt be close to each other, reach after the suitable position, accomplish the change of belt buckle in operating space, furthermore, when the belt needs increase length, the belt is disconnected to take the back of handling, two clamping mechanism press from both sides the first end and the second end of belt respectively, increase the extra belt of required length of predetermineeing again, can the activity in two clamping mechanism provide belt pulling force effect, make the first end and the second end of belt be close to each other and reach after the suitable position, the both ends of the extra belt that will need increase are connected with the first end and the second end of belt respectively, thereby reach the mesh of extension belt, two clamping mechanism that provide through this application, no matter the extension still is the belt buckle, the tensioning state can both sides all the maintenance all the time.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of a tensioner and belt of an alternative embodiment of the present invention;

FIG. 2 shows a schematic structural view of a first clamping mechanism of the tensioning device of FIG. 1;

FIG. 3 shows a schematic structural view of a second clamping mechanism of the tensioning device of FIG. 1;

FIG. 4 is a schematic diagram of the structure of the lower sub-clamping structure of the second clamping mechanism of FIG. 3;

FIG. 5 shows a schematic view of the tensioner of FIG. 1 with the clamping mechanism removed;

fig. 6 shows a schematic structural view of the stent structure of fig. 1.

Wherein the figures include the following reference numerals:

10. a scaffold structure; 11. a sliding plate; 12. a ground anchor mounting hole; 13. a guide bar;

20. a clamping mechanism; 21. a first clamping mechanism; 22. a second clamping mechanism; 221. a lug structure; 2211. a first positioning hole; 222. a limiting plate; 23. a clamping block; 24. an anti-drop bolt; 25. a fixed block; 26. clamping the bolt; 27. a sub-clamping structure; 28. a nut;

30. a drive section; 40. an anti-drop fixing frame; 50. mounting a bracket; 60. an anti-drop guide structure; 70. a fastener;

100. an operating space; 200. a belt; 300. a clamping space; 400. a limiting groove; 500. a guide chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

When the belt of the belt conveyor among the prior art of solving prolongs or overhauls the change belt clamp, is difficult to the problem of tensioning, the utility model provides a tensioning device.

Example one

As shown in fig. 1 to 6, the tensioner includes a bracket structure 10 and two clamping mechanisms 20, wherein the two clamping mechanisms 20 are oppositely disposed on the bracket structure 10, and an operating space 100 is formed between the two clamping mechanisms 20; the two clamping mechanisms 20 are respectively used for clamping a first end and a second end of the belt 200 after the belt breakage process, the section of the first end and the section of the second end of the belt 200 are both located in the operation space 100, the operation space 100 is used for connecting the first end and the second end of the belt 200 through a belt buckle, or the operation space 100 is used for adding an additional belt 200 with a preset length between the first end and the second end of the belt 200, so that two ends of the additional belt 200 are respectively connected with the first end and the second end of the belt 200; wherein at least one of the two clamping mechanisms 20 is movably arranged for tightening the belt 200.

Use the technical scheme of the utility model, through setting up two clamping mechanism 20 relatively on supporting structure 10, and at least one movably sets up in two clamping mechanism 20, thus, need overhaul at belt 200, when changing the belt clamp, two clamping mechanism 20 press from both sides the first end and the second end of belt 200 after the disconnected area of clamp was handled respectively, can the activity in two clamping mechanism 20 provide belt 200 pulling force effect, make first end and the second end of belt 200 close to each other, after reaching suitable position, accomplish the change of belt clamp in operating space 100, furthermore, when belt 200 needs to increase length, belt 200 is disconnected and is handled the back, two clamping mechanism 20 press from both sides first end and the second end of belt 200 respectively, increase the extra belt 200 of required length of presetting again, one that can move about in two clamping mechanism 20 is provided belt 200 pulling force effect, make first end and the second end of belt 200 close to each other and reach suitable position after, the both ends of extra belt 200 that will need to increase are connected with the first end and the second end of belt 200 respectively, thereby reach the purpose of prolonging belt 200, no matter provide two clamping mechanism 200 through the change purposes of this application, the tensioning mechanism is the tensioning state all the back of keeping all the belt 200 all the time.

It should be noted that, in the present application, the support structure 10 has an earth anchor mounting hole 12, and the anchor rod passes through the earth anchor mounting hole 12 to fix the support structure 10 on the roadway floor.

As shown in fig. 1 to 3, the clamping mechanism 20 includes two sub-clamping structures 27, and the two sub-clamping structures 27 are stacked to form a clamping space 300 between the two sub-clamping structures 27; at least one of the two sub-clamping structures 27 has an escape opening which communicates with the clamping space 300, wherein the sub-clamping structure 27 with the escape opening further has a clamping block 23, the clamping block 23 has a clamping position which passes through the escape opening and projects into the clamping space 300 for clamping the belt 200, and the clamping block 23 has an escape position which exits the clamping space 300 through the escape opening. Thus, after the belt is broken, one end of the belt 200 passes through the clamping space 300 between the two sub-clamping structures 27, the clamping mechanism 20 plays a role in limiting the belt 200, and after the two sub-clamping structures 27 are stacked and installed, the clamping block 23 passes through the avoiding through hole of the sub-clamping structure 27, enters the clamping space 300 and abuts against the belt 200, so that the contact area between the belt 200 and the clamping mechanism 20 is increased, and the friction force between the belt 200 and the clamping mechanism 20 is increased.

As shown in fig. 1 to 3, the cross section of each of the two sub-clamping structures 27 is U-shaped, the openings of the two sub-clamping structures 27 are oppositely arranged, the two sub-clamping structures 27 are fastened and connected at two ends of the belt 200 in the width direction by the anti-drop bolt 24, and the clamping block 23 is disposed in the U-shaped groove of the sub-clamping structure 27 having the through-hole. Like this, two sub-clamping structure 27's cross section all is the U type, and the position is raised after belt 200 passes clamping space 300, flows out certain space between belt 200 and sealing-tape machine, and the operation of being convenient for, two anticreep bolts 24 play and carry out spacing effect to belt 200 with two sub-clamping structure 27's both ends fastening connection, prevent that belt 200 from droing from clamping space 300.

It should be noted that, in the present application, the two sub-clamping structures 27 have mounting holes, the anti-separation bolt 24 passes through the mounting hole from the opening of the sub-clamping structure 27 close to the lower side of the support structure 10, and passes out from the mounting hole at the opening of the upper clamping structure, so that the worker can directly sleeve the nut 28 on the anti-separation bolt 24 and screw it down, thereby reducing the operation difficulty of the worker.

As shown in fig. 1 to 3, the clamping mechanism 20 further includes a fixing block 25 and a clamping bolt 26, wherein the fixing block 25 is disposed at a notch of the U-shaped groove of the sub-clamping structure 27, and the fixing block 25 is provided with an internal threaded hole; the clamping bolt 26 passes through the internally threaded hole and is connected with the clamping block 23, and the clamping block 23 is switched between the clamping position and the escape position by screwing the clamping bolt 26 in different directions. Thus, the clamping bolt 26 passes through the internal threaded hole formed in the fixed block 25 and is connected with the clamping block 23 in the U-shaped groove of the sub-clamping structure 27, when the clamping bolt 26 is screwed to move in a direction approaching the clamping block 23, the clamping bolt 26 gives pressure to the clamping block 23 to the belt 200, so that the clamping block 23 moves in a direction pressing against the belt 200, and further, the clamping block 23 enters a clamping position, at this time, the belt 200 generates corresponding elastic deformation, the pressure between the clamping block 23 and the belt 200 increases, and further, the friction force between the clamping block 23 and the belt 200 increases, so that the belt 200 is ensured to be firmly limited in the clamping space 300, and when the clamping bolt 26 is screwed to move in a direction away from the clamping block 23, the pressure acting on the clamping block 23 disappears, and the clamping block 23 returns to an escape position under the pushing of the elastic acting force of the belt 200.

As shown in fig. 1 to 3, the number of the fixing blocks 25 is plural, the plurality of fixing blocks 25 are arranged at intervals in the width direction of the belt 200, the number of the clamping bolts 26 is plural, the plurality of clamping bolts 26 and the plurality of fixing blocks 25 are arranged in one-to-one correspondence, a nut 28 is arranged on at least one fixing block 25 of the plurality of fixing blocks 25, a screw hole of the nut 28 is communicated with an internal thread hole, and the clamping bolt 26 sequentially passes through the screw hole and the internal thread hole and is connected with the clamping block 23. Like this, a plurality of clamping bolt 26 and a plurality of fixed block 25 one-to-one set up for press from both sides tight piece 23 many places atress, make and press from both sides tight piece 23 atress more even, strengthened the whole pressure to belt 200 of pressing from both sides tight piece 23, and then increased the frictional force between pressing from both sides tight piece 23 and belt 200.

It should be noted that, in this application, the nut 28 is welded to the fixed block 25, so on one hand, the reliability of the connection between the clamping bolt 26 and the fixed block 25 is increased, and the clamping bolt 26 is prevented from falling off from the fixed block 25, and on the other hand, the clamping bolt 26 has a guiding function, so that the pressure applied to the clamping block 23 by the clamping bolt 26 is kept perpendicular to the plane of the clamping block 23, and the pressurization effect is improved.

As shown in fig. 1 to 3, the two clamping mechanisms 20 comprise a first clamping mechanism 21 and a second clamping mechanism 22, wherein the first clamping mechanism 21 is disposed at a first end of the supporting structure 10, and the first clamping mechanism 21 is detachably connected with the supporting structure 10; the second clamping mechanism 22 is arranged at the second end of the support structure 10, the second clamping mechanism 22 is movably arranged along the length direction of the belt 200, and the second clamping mechanism 22 is detachably connected with the support structure 10; the tensioning device further comprises a driving part 30, a fixed end of the driving part 30 is fixedly connected with the second end of the support structure 10, a driving end of the driving part 30 is connected with the second clamping mechanism 22 in a driving mode, and the driving end is movably connected with the fixed end. In this way, the first clamping mechanism 21 and the second clamping mechanism 22 are detachably connected with the support structure 10, when the belt 200 needs to be tensioned, the first clamping mechanism 21 and the second clamping mechanism 22 are installed on the support structure 10, after tensioning is completed, the first clamping mechanism 21 and the second clamping mechanism 22 are timely disassembled, the belt 200 is ensured to be put into use in time, the flexibility of the tensioning device is increased, the driving end of the driving portion 30 is in driving connection with the second clamping mechanism 22, the driving end is movably connected with the fixed end, and the driving end provides power for the second clamping mechanism 22, so that the second clamping mechanism 22 moves along the length direction of the belt 200.

Further, the first end of the belt 200 passes through the clamping space 300 of the first clamping mechanism 21 and extends into the operating space 100, the second end of the belt 200 passes through the clamping space 300 of the second clamping mechanism 22 and extends into the operating space 100, a certain distance is reserved between the first end and the second end of the belt 200, the driving end of the driving portion 30 drives the second clamping mechanism 22 to move towards the first clamping mechanism 21, so that the relative distance between the first end and the second end of the belt 200 is close, and the first end and the second end of the belt 200 are connected through the belt buckle at a proper position, so that the belt 200 is tensioned.

As shown in fig. 1 and 5, the tensioning device further includes an anti-drop fixing frame 40 and a mounting bracket 50, the anti-drop fixing frame 40 is disposed at a first end of the bracket structure 10, a part of the anti-drop fixing frame 40 is connected with the bracket structure 10, and another part of the anti-drop fixing frame 40 is tightly connected with the first clamping mechanism 21; a mounting bracket 50 is provided at the second end of the bracket structure 10, the mounting bracket 50 is used for connecting with a fixed end of the driving part 30, and the driving end of the driving part 30 is telescopically arranged along the length direction of the belt 200 relative to the fixed end so as to provide a force for the second clamping mechanism 22 to move towards one side of the first clamping mechanism 21 and provide a force for the second clamping mechanism 22 to move away from one side of the first clamping mechanism 21. In this way, the first clamping mechanism 21 is fastened to the anti-falling fixing frame 40, when the first clamping mechanism 21 clamps the first end of the belt 200, the belt 200 is in a tensioned state, a pulling force far away from the support structure 10 is applied to the first clamping mechanism 21, the anti-falling fixing frame 40 limits the first clamping mechanism 21 to move towards the direction of contraction of the belt 200, and it is ensured that the belt 200 is always in the operation space 100, the driving portion 30 is fixedly connected with the mounting support 50, the driving end is connected with the second clamping mechanism 22 in a driving manner, and when the driving end moves towards the direction far away from the mounting support 50, the second clamping mechanism 22 is driven to move towards the direction close to the first clamping mechanism 21, so that the distance between the first end and the second end of the belt 200 is shortened, and conditions are provided for mounting the belt buckle.

In this application, the mounting bracket 50 is connected to the fixed end of the driving portion 30 by a pin.

Further, the anti-drop fixing frame 40 is L-shaped, and forms only one opening facing the mounting bracket 50 in cooperation with the bracket structure 10, and further limits the first clamping mechanism 21, so as to ensure that the first clamping mechanism 21 is difficult to separate from the bracket structure 10.

As shown in fig. 1 and 5, the tensioning device further includes an anti-separation guide structure 60, the anti-separation guide structure 60 is disposed on the supporting structure 10 and located in the moving direction of the second clamping mechanism 22, the anti-separation guide structure 60 is U-shaped, and at least a part of the fixed end of the driving part 30 is located in the U-shaped groove of the anti-separation guide structure 60. In this way, the retaining guide structure 60 is U-shaped, and at least a part of the fixed end of the driving part 30 is located in the U-shaped groove of the retaining guide structure 60, thereby ensuring that the driving part 30 does not move in the radial direction.

Further, the guide rods 13 on both sides of the support structure 10 are provided with anti-falling guide structures 60, so as to ensure the stability of the driving part 30.

In the present application, as shown in fig. 6, the bracket structure 10 has two guide rods 13 along the extending direction of the belt 200, a support frame is provided below the guide rods 13 to support the guide rods 13 on two sides of the belt 200, a retaining bracket 40 is provided at a first end of each guide rod 13, a mounting bracket 50 is provided at a second end of each guide rod 13, a retaining guide structure 60 is provided in a direction away from the mounting bracket 50, and a sliding plate 11 covers the guide rod 13 on a side close to the mounting bracket 50 and extends from the mounting bracket 50 to the retaining bracket 40.

Preferably, after the driving part 30 is mounted in the U-shaped groove of the anti-drop guide structure 60, an anti-drop pin can be inserted to ensure that the driving part 30 does not drop out of the U-shaped groove of the anti-drop guide structure 60.

In the present application, the supporting structure 10 is integrally welded, and the supporting structure 10 is welded to the anti-drop fixing frame 40, the mounting bracket 50 and the anti-drop guide structure 60.

As shown in fig. 1 and fig. 3, the two sub-clamping structures 27 of the second clamping mechanism 22 are each provided with a lug structure 221, each lug structure 221 is provided with a first positioning hole 2211, the end of the driving portion 30 extends into the limiting groove 400 between the two lug structures 221, the driving end of the driving portion 30 is provided with a second positioning hole, the tensioning device further includes a fastening member 70, and the fastening member 70 sequentially passes through one first positioning hole 2211 of the two first positioning holes 2211, the second positioning hole, and the other first positioning hole 2211 of the two first positioning holes 2211. Thus, the fastener 70 passes through one first positioning hole 2211 of the two first positioning holes 2211, the second positioning hole, and the other first positioning hole 2211 of the two first positioning holes 2211 in sequence to connect the second clamping mechanism 22 with the driving end of the driving part 30, thereby increasing the reliability of the connection between the second clamping mechanism 22 and the driving end of the driving part 30.

Further, the lower sub-clamping structure 27 of the two sub-clamping structures 27 of the second clamping mechanism 22 further has a position-limiting plate 222, the position-limiting plate 222 is L-shaped, so that a guiding chute 500 is formed between the position-limiting plate 222 and the sub-clamping structure 27, and the guide rod 13 on the supporting structure 10 extends into the guiding chute 500. In this way, the guide rods 13 on the bracket structure 10 extend into the guide chute 500, on one hand, the second clamping mechanism 22 is limited between the two guide rods 13, so that the connection reliability between the second clamping mechanism 22 and the guide rods 13 is increased, and on the other hand, the second clamping mechanism 22 moves on the sliding plate 11 of the guide rods 13, so that the friction between the second clamping mechanism 22 and the guide rods 13 is reduced, and the equipment loss is reduced.

Note that, in the present application, there are two guide slide grooves 500, and the two guide slide grooves 500 are respectively located on both sides of the sub-clamping structure 27 in the width direction of the belt 200. Thus, both ends of the second clamping mechanism 22 slide on the guide rod 13, so that both ends of the second clamping mechanism 22 can move simultaneously, and the belt 200 is prevented from being damaged due to uneven tension.

It should be noted that, in the present application, the installation process of the tensioner is as follows:

specifically, the bracket structure 10 is placed at a belt 200 to be tensioned, two guide rods 13 are respectively positioned at two sides of the belt 200, the driving part 30 is arranged in a U-shaped groove of the anti-falling guide structure 60, the fixed end of the driving part 30 is connected with the mounting bracket 50, the first clamping mechanism 21 is mounted at the anti-falling fixing frame 40, the first end of the belt 200 passes through a clamping space 300 of the first clamping mechanism 21 and enters the operating space 100, the anti-falling bolt 24 is mounted, the clamping bolt 26 is screwed to enable the clamping block 23 to enter a clamping position, when the second clamping mechanism 22 is mounted, the guide rods 13 firstly pass through the guide sliding grooves 500, then the same mounting process as the first clamping mechanism 21 is completed, the second clamping mechanism 22 is connected with the driving end of the driving part 30, and the driving end drives the second clamping mechanism 22 to move towards the direction close to the first clamping mechanism 21, so that two ends of the belt 200 are positioned at proper positions, and the belt buckle is mounted.

The removal process of the tensioner is the reverse of the installation process.

Example two

This embodiment differs from the first embodiment in the operation of the belt 200 that needs to be extended.

Specifically, when the first end and the second end of the belt 200 are both located in the operating space 100, a new belt to be extended is first installed with the belt buckle at one end of the belt 200, and then the free end of the new belt is located at a proper position with the other end of the belt 200 by the movement of the second clamping mechanism 22, so that the installation of the belt buckle is completed, and the process of tensioning the extended belt is realized.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A tensioner, comprising:

a support structure (10);

two clamping mechanisms (20), wherein the two clamping mechanisms (20) are oppositely arranged on the support structure (10), and an operating space (100) is formed between the two clamping mechanisms (20);

the two clamping mechanisms (20) are respectively used for clamping a first end and a second end of the belt (200) subjected to belt breakage processing, the section of the first end and the section of the second end of the belt (200) are both located in the operation space (100), the operation space (100) is used for connecting the first end and the second end of the belt (200) through a belt buckle, or the operation space (100) is used for adding an additional belt (200) with a preset length between the first end and the second end of the belt (200) so that two ends of the additional belt (200) are respectively connected with the first end and the second end of the belt (200);

wherein at least one of the two clamping mechanisms (20) is movably arranged for tightening the belt (200).

2. The tensioner as claimed in claim 1, wherein the clamping mechanism (20) comprises:

two sub-clamping structures (27), wherein the two sub-clamping structures (27) are arranged on top of each other, so that a clamping space (300) is formed between the two sub-clamping structures (27);

at least one of the two sub-clamping structures (27) is provided with an avoiding through hole, and the avoiding through hole is communicated with the clamping space (300), wherein the sub-clamping structure (27) provided with the avoiding through hole is also provided with a clamping block (23), the clamping block (23) is provided with a clamping position which passes through the avoiding through hole and extends into the clamping space (300) for clamping the belt (200), and the clamping block (23) is provided with an avoiding position which exits the clamping space (300) through the avoiding through hole.

3. The tensioning device according to claim 2, characterized in that the cross section of the two sub-clamping structures (27) is U-shaped, the openings of the two sub-clamping structures (27) are oppositely arranged, the two sub-clamping structures (27) are fixedly connected at the two ends of the width direction of the belt (200) through anti-falling bolts (24), and the clamping block (23) is arranged in the U-shaped groove of the sub-clamping structure (27) with the through-avoiding hole.

4. A tensioner according to claim 3, characterised in that said clamping mechanism (20) further comprises:

the fixing block (25) is arranged at the notch of the U-shaped groove of the sub-clamping structure (27), and an internal threaded hole is formed in the fixing block (25);

a clamping bolt (26), wherein the clamping bolt (26) penetrates through the internally threaded hole and is connected with the clamping block (23), and the clamping block (23) is switched between the clamping position and the avoiding position by screwing the clamping bolt (26) in different directions.

5. The tensioning device according to claim 4, characterized in that the number of the fixing blocks (25) is plural, the plural fixing blocks (25) are arranged at intervals in the width direction of the belt (200), the number of the clamping bolts (26) is plural, the plural clamping bolts (26) and the plural fixing blocks (25) are arranged in one-to-one correspondence, a nut (28) is arranged on at least one fixing block (25) of the plural fixing blocks (25), a screw hole of the nut (28) is communicated with the internal thread hole, and the clamping bolt (26) sequentially passes through the screw hole, the internal thread hole and is connected with the clamping block (23).

6. The tensioner as in any one of claims 1 to 5,

the two clamping mechanisms (20) comprise:

a first clamping mechanism (21), wherein the first clamping mechanism (21) is arranged at a first end of the support structure (10), and the first clamping mechanism (21) is detachably connected with the support structure (10);

a second clamping mechanism (22), wherein the second clamping mechanism (22) is arranged at the second end of the support structure (10), the second clamping mechanism (22) is movably arranged along the length direction of the belt (200), and the second clamping mechanism (22) is detachably connected with the support structure (10);

the tensioner further comprises:

the fixing end of the driving portion (30) is fixedly connected with the second end of the support structure (10), the driving end of the driving portion (30) is in driving connection with the second clamping mechanism (22), and the driving end is movably connected with the fixing end.

7. The tensioner as in claim 6, further comprising:

the anti-falling fixing frame (40) is arranged at the first end of the support structure (10), one part of the anti-falling fixing frame (40) is connected with the support structure (10), and the other part of the anti-falling fixing frame (40) is fixedly connected with the first clamping mechanism (21);

a mounting bracket (50), the mounting bracket (50) is arranged at the second end of the support structure (10), the mounting bracket (50) is used for being connected with the fixed end of the driving part (30), the driving end of the driving part (30) is telescopically arranged along the length direction of the belt (200) relative to the fixed end so as to provide an acting force for the second clamping mechanism (22) to move towards one side of the first clamping mechanism (21) and provide an acting force for the second clamping mechanism (22) to move away from one side of the first clamping mechanism (21).

8. The tensioner as in claim 6, further comprising:

anti-disengaging guide structure (60), anti-disengaging guide structure (60) set up on mounting structure (10), and be located on the moving direction of second clamping mechanism (22), anti-disengaging guide structure (60) are the U type, at least some of the stiff end of drive division (30) are located the U type inslot of anti-disengaging guide structure (60).

9. The tensioning device according to claim 6, characterized in that the two sub-clamping structures (27) of the second clamping mechanism (22) are provided with lug structures (221), each lug structure (221) is provided with a first positioning hole (2211), the end of the driving part (30) extends into the limiting groove (400) between the two lug structures (221), the driving end of the driving part (30) is provided with a second positioning hole, and the tensioning device further comprises a fastening member (70), and the fastening member (70) sequentially passes through one first positioning hole (2211) of the two first positioning holes (2211), the second positioning hole and the other first positioning hole (2211) of the two first positioning holes (2211).

10. The tensioning device according to claim 6, characterized in that the lower sub-clamping structure (27) of the two sub-clamping structures (27) of the second clamping mechanism (22) further has a limiting plate (222), the limiting plate (222) is L-shaped, so that a guide chute (500) is formed between the limiting plate (222) and the sub-clamping structure (27), and the guide rod (13) on the bracket structure (10) extends into the guide chute (500).

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