CN216742674U

CN216742674U - Synchronous belt tensioning device and lifting system applying same

Info

Publication number: CN216742674U
Application number: CN202220398896.3U
Authority: CN
Inventors: 董良
Original assignee: Shandong Huanwei Youle LLC
Current assignee: Shandong Huanwei Youle LLC
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-14
Anticipated expiration: 2032-02-25

Abstract

A synchronous belt tensioning device and a lifting system using the same, the lifting system comprises a main frame and a lifting part, rotating shafts are arranged at the upper end and the lower end of the main frame, a synchronous belt is vertically arranged through the rotating shafts, the part, close to the front end of the main frame, of the synchronous belt is connected with the lifting part through the tensioning device to drive the lifting part to lift, the tensioning device comprises a clamping plate and an adjusting plate, the synchronous belt passes through the clamping plate and the adjusting plate and is arranged between the clamping plate and the adjusting plate, the clamping plate and the adjusting plate are attached through bolts to clamp the synchronous belt, a strip-shaped opening is transversely arranged in the middle of the adjusting plate, the width of the opening is more than 2 times of the thickness of the synchronous belt, the length of the opening is not less than the width of the synchronous belt, the synchronous belt can extend into the opening in a folded manner, the length of the residual synchronous belt outside the tensioning device is adjusted by adjusting the length of the extending into the opening, the tension of the synchronous belt is adjusted by adjusting the length of the outer ring of the synchronous belt, the tension adjustment is not limited by the height of the main frame, and the adjustment range is wider.

Description

Synchronous belt tensioning device and lifting system applying same

Technical Field

The utility model relates to the technical field of transportation devices, in particular to a synchronous belt tensioning device and a lifting system applying the same.

Background

In conveyer technical field, the hold-in range is because excellent performance and higher economic value, often by in the transportation of material, for example directly utilize the hold-in range to carry out the horizontal transport of material, or drive hoisting device with the hold-in range, accomplish the vertical transportation of material.

But the hold-in range is soft because the texture, must guarantee that it has higher rate of tension when using, otherwise can take place to deflect or take off the risk of area, present hold-in range overspeed device tensioner, the mode of adjusting two transmission shaft distances is mostly adopted, come the tensioning hold-in range, the rate of tension is adjusted to the mode that also has the take-up pulley, but because the length of main frame is limited, the tensile degree that leads to the hold-in range is also limited, and the hold-in range is after using the longer time, its self also can be elongated, lead to overspeed device tensioner to lose the tensioning effect, this just need change the hold-in range again, very trouble.

SUMMERY OF THE UTILITY MODEL

The utility model provides a synchronous belt tensioning device and a lifting system applying the same, and aims to solve the problems that the existing tensioning device is limited in adjusting the tensioning degree of a synchronous belt by adjusting the distance between transmission shafts at two ends, and the tensioning device is easy to lose the tensioning effect due to the characteristics of the synchronous belt.

The technical scheme of the utility model is as follows:

a synchronous belt tensioning device is used for tensioning work in the running process of a synchronous belt and comprises a clamping plate and an adjusting plate, wherein the clamping plate and the adjusting plate are connected through bolt fitting, the synchronous belt penetrates through the clamping plate and the adjusting plate to be arranged, the clamping plate and the adjusting plate can complete clamping work of the synchronous belt through screwing bolts, a strip-shaped opening is transversely arranged in the middle of the adjusting plate, the width of the opening is larger than 2 times of the thickness of the synchronous belt, the length of the opening is not smaller than that of the synchronous belt, the synchronous belt can stretch into the opening in a folded mode, the length of the residual synchronous belt outside the tensioning device is adjusted through adjusting the length of the opening, the tension of the synchronous belt is further adjusted, the tension of the synchronous belt is adjusted through adjusting the length of the synchronous belt, the adjustable range of the tension is larger, and when the tension belt is too long in use time and extends, the tensioning device can still well complete the tensioning work.

Further, the adjusting plate is close to on the face of pinch-off blades and/or the face that the pinch-off blades is close to the adjusting plate is improved level and is equipped with a plurality of sand grips, when making adjusting plate and pinch-off blades press from both sides tight hold-in range under the bolt effect, the increase is to the clamping effect of hold-in range, prevents that the hold-in range from sliding relatively between pinch-off blades and adjusting plate, influences the tensioning effect.

As preferred, the clamp plate is located the hold-in range outer lane, the regulating plate is located the hold-in range inner circle, the regulating plate is close to the face of clamp plate and goes up the level and be equipped with a plurality of sand grips, in the hold-in range transmission, for guaranteeing hold-in range steady operation, its inner circle is rack column structure, and the regulating plate sets up the sand grip, can make sand grip and hold-in range inner circle rack structure looks block, has improved and has pressed from both sides tight effect.

Further, the face both sides that the pinch-off blades are close to the regulating plate are equipped with the gasket along the hold-in range direction, the hold-in range is located between the gasket of both sides, and the inboard laminating of hold-in range both sides and both sides gasket, prevents when pressing from both sides tight hold-in range, and the clamp force between regulating plate and the pinch-off blades is too big and destroys the hold-in range structure, has guaranteed the mechanical properties of hold-in range.

The utility model provides a lifting system, includes foretell hold-in range overspeed device tensioner, lifting system includes body frame and lift portion, both ends all are equipped with the pivot about the body frame, the pivot both ends are rotated with the body frame both sides and are connected, the hold-in range is connected through the vertical rotation of pivot and body frame, the part that the hold-in range is close to the body frame front end is equipped with overspeed device tensioner, and the overspeed device tensioner outside is connected with lift portion, drives the hold-in range through the pivot and rotates, drives overspeed device tensioner and removes, and then drives lift portion and remove, accomplishes the lift action of lift portion, and can adjust the rate of tension of hold-in range through overspeed device tensioner, guarantees on the one hand that the hold-in range can be along with pivot normal operating, has guaranteed again simultaneously that lift portion can accomplish the lift action smoothly under the hold-in range effect.

Further, the vertical guide rail that is equipped with in body frame front end both sides, lift portion includes the lifter plate, the lifter plate rear portion is equipped with the guide slot, and through the vertical sliding connection of guide slot and guide rail, makes lift portion more steady along the lift of body frame, simultaneously, the clamp plate upper end outwards extends and lifter plate lower extreme fixed connection, when making the clamp plate go upward along with the step belt, can play good bearing effect to lift portion.

Further, be located power device is connected to pivot one end of body frame lower part, and the upper portion pivot both ends are passed through the regulating part and are connected with the body frame both sides, and can adjust two pivot distances through the regulating part, and then finely tune the rate of tension of hold-in range, and the setting of cooperation overspeed device tensioner makes the hold-in range can keep good rate of tension throughout at the operation in-process, has guaranteed the transmission effect of hold-in range.

The utility model has the beneficial effects that: the utility model relates to a synchronous belt tensioning device and a lifting system applying the same, wherein the lifting system comprises a main frame and a vertically arranged synchronous belt, the synchronous belt is connected with the main frame through a rotating shaft, the front end of the main frame is connected with a lifting part in a sliding way, the lifting part is connected with the synchronous belt through the tensioning device, the lifting part can vertically lift under the rotation of the synchronous belt, the arrangement of the tensioning device enables the device to adjust the tension degree of the device through adjusting the length of the synchronous belt, the adjusting range is wider, meanwhile, the rotating shaft at the upper end of the main frame is also connected with the main frame through the adjusting part, the tension degree of the synchronous belt is finely adjusted, the synchronous belt can always keep better tension degree to drive the lifting part to move through the great adjustment of the tension device and the fine adjustment of the adjusting part, and the adjustment of the tension degree of the synchronous belt is not limited by the stroke of the adjusting part and the height of the main frame, so that the use is more convenient.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.

In the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of a lifting system;

FIG. 2 is a schematic view of the connection of the lifting portion and the tensioning device in the example;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a schematic structural view of an adjustment plate according to an embodiment;

the components represented by the reference numerals in the figures are:

1. the body frame, 2, pivot, 3, servo motor, 4, regulating part, 5, hold-in range, 6, overspeed device tensioner, 61, clamping plate, 611, gasket, 62, regulating plate, 621, sand grip, 622, regulation mouth, 63, deep floor, 7, lift portion, 71, lifter plate, 72, guide slot.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.

Examples

This embodiment provides a hold-in range 5 overspeed device tensioner 6 and use its operating system, refer to fig. 1, operating system includes body frame 1, body frame 1 includes the vertical frame construction who arranges, and its front end vertical slip is equipped with lift portion 7, the inside vertical rotation of body frame 1 is equipped with hold-in range 5, and lift portion 7 is connected with hold-in range 5, rotates through hold-in range 5, and then drives 7 vertical lifts of lift portion, accomplishes transmission work.

Specifically, combine fig. 2, the vertical guide rail that is equipped with in frame front end both sides, lift portion 7 includes lifter plate 71, lifter plate 71 is vertical arranges and the vertical guide slot 72 that is equipped with in back face both sides, lift portion 7 passes through guide slot 72 and the vertical sliding connection of slide rail, makes lift portion 7 more steady along the lift of body frame 1, and lifter plate 71 lower extreme is connected with hold-in range 5, both ends are equipped with pivot 2 about body frame 1, and just 2 both ends of pivot rotate with 1 both sides of body frame and be connected, hold-in range 5 is connected with the vertical rotation of body frame 1 through two main shafts, wherein is located main shaft one end of 1 lower extreme of body frame still is connected with servo motor 3, drives pivot 2 through servo motor 3 action and rotates, drives hold-in range 5 and removes, and then drives the vertical lift of lift portion 7.

As preferred, be located pivot 2 of 1 upper ends of body frame passes through regulating part 4 and body frame 1 upper and lower sliding connection, regulating part 4 includes regulating block and fixed block and 1 fixed connection of body frame, and the vertical slip in the fixed block is equipped with the regulating block, fixed block one side bolted connection is equipped with the ejector pin, and the tight regulating block in dicing rod one end top, pivot 2 rotates with the regulating block to be connected, through adjusting the ejector pin, can control the regulating block along the vertical lift of fixed block, and then drives 2 vertical lifts in pivot, adjusts 2 intervals in two pivots, makes 5 tensionings in hold-in range.

More preferably, the lifting unit 7 is connected to the timing belt 5 through a tension device 6, and the tension device 6 can adjust the tension of the timing belt 5 by adjusting the outer ring specification of the timing belt 5.

Specifically, with reference to fig. 3 and 4, the tensioning device 6 includes a clamping plate 61 and an adjusting plate 62, the clamping plate 61 includes a connecting end, the connecting end is a vertically arranged square plate-shaped structure, the adjusting plate 62 is a square plate-shaped structure matched with the connecting end, bolt holes are formed in four corners of the adjusting plate 62, the connecting end is provided with matched bolt holes, the adjusting plate 62 and the connecting end of the clamping plate 61 are attached and connected through the bolt holes, the synchronous belt 5 passes through the space between the clamping plate 61 and the adjusting plate 62 near the front end of the main frame 1 and is clamped by the adjusting plate 62 and the clamping plate 61 under the bolt connection effect, the middle part of the clamping plate 61 horizontally extends to the outside of the front end of the main frame 1, and the end part is connected with the bottom of the lifting plate 71, so that the clamping plate 61 can play a good supporting role on the lifting part 7 when going upwards along with the walking belt 5.

Furthermore, a reinforcing rib plate 63 is vertically arranged at the lower part of the connecting plate, so that the bearing capacity of the connecting plate is improved.

Further, combine fig. 5, the regulating plate 62 middle part transversely is equipped with regulation mouth 622, regulation mouth 622 width is greater than 2 times of hold-in range 5 thickness, and opening length is greater than hold-in range 5 width, hold-in range 5 can be the rugosity and stretch into in the opening, and stretch into the length of the outer surplus hold-in range 5 of open-ended length adjustment overspeed device tensioner 6 through the regulation, and then adjust hold-in range 5 rate of tension, adjust the mode of hold-in range 5 rate of tension through adjusting hold-in range 5 length, make the adjustable range of rate of tension bigger, when the extension is produced to tension band live time overlength self simultaneously, overspeed device tensioner 6 still can be better accomplishes tensioning work, cooperate the fine setting effect of regulation portion 4 simultaneously, make hold-in range 5 keep better rate of tension all the time to drive lift portion 7 and remove.

Further, the regulating plate 62 is located 5 outer lanes of hold-in range, the clamp plate 61 is located 5 inner rings of hold-in range, the regulating plate 62 is close to the face of clamp plate 61 and goes up the level and be equipped with a plurality of sand grips 621, in 5 transmissions of hold-in range, for guaranteeing hold-in range 5 steady operation, its inner circle is rack-shaped structure, and the regulating plate 62 sets up sand grip 621, can make

sand grip

621 and 5 inner rings of hold-in range rack structure looks block, has improved and has pressed from both sides tight effect, of course, also can set up the sand grip 621 on the face that the clamp plate 61 link is close to the regulating plate 62, when making regulating plate 62 and clamp plate 61 press from both sides tight hold-in range 5 under the bolt action, the increase is to the clamping effect of hold-in range 5, prevents hold-in range 5 relative slip between clamp plate 61 and regulating plate 62, influences the tensioning effect, and this embodiment does not do specific restriction to the sand grip 621 position.

Further, the face both sides that the clamp plate 61 link is close to regulating plate 62 are equipped with gasket 611 along the hold-in range 5 direction, hold-in range 5 is located between the gasket 611 of both sides, and the inboard laminating of hold-in range 5 both sides and both sides gasket 611 prevents when pressing from both sides tight hold-in range 5, and the clamp force between regulating plate 62 and the clamp plate 61 is too big and destroys hold-in range 5 structure, has guaranteed hold-in range 5's mechanical properties.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or additions or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A synchronous belt tensioning device is used for tensioning a synchronous belt (5) and is characterized by comprising a clamping plate (61) and an adjusting plate (62), wherein the synchronous belt (5) penetrates through the clamping plate (61) and the adjusting plate (62) to be arranged, the clamping plate (61) and the adjusting plate (62) are connected through bolt attachment, and clamping work of the synchronous belt (5) is completed;

regulating plate (62) middle part transversely is equipped with the strip opening, the opening width is greater than 2 times of hold-in range (5) thickness, and opening length is not less than hold-in range (5) width, hold-in range (5) can be the rugosity and stretch into in the opening, and stretch into the length of the outer surplus hold-in range (5) of open-ended length adjustment overspeed device tensioner (6) through the regulation, and then adjust hold-in range (5) rate of tension.

2. A timing belt tensioner as claimed in claim 1, characterised in that the adjustment plate (62) is adjacent to the clamping plate (61) and/or the clamping plate (61) is horizontally provided with ribs (621) adjacent to the adjustment plate (62).

3. A synchronous belt tensioner as claimed in claim 2, characterized in that the clamping plate (61) is located at the outer ring of the synchronous belt (5), the adjusting plate (62) is located at the inner ring of the synchronous belt (5), and the surface of the adjusting plate (62) close to the clamping plate (61) is horizontally provided with a plurality of convex strips (621).

4. A synchronous belt tensioner as claimed in claim 3, characterized in that the clamping plate (61) is provided with spacers (611) at both sides of the plate surface close to the adjusting plate (62) along the direction of the synchronous belt (5), and the synchronous belt (5) is located between the spacers (611) at both sides.

5. A hoisting system employing a synchronous belt tensioner as claimed in any one of claims 1 to 4.

6. The lifting system according to claim 5, characterized by comprising a main frame (1) and a lifting part (7), wherein a rotating shaft (2) is arranged at each of the upper end and the lower end of the main frame (1), both ends of the rotating shaft (2) are rotatably connected with both sides of the main frame (1), the synchronous belt (5) is vertically and rotatably connected with the main frame (1) through the rotating shaft (2), a tensioning device (6) is arranged at a part of the synchronous belt (5) close to the front end of the main frame (1), and the lifting part (7) is connected to the outer side of the tensioning device (6).

7. A lifting system as claimed in claim 6, characterized in that guide rails are vertically arranged on both sides of the front end of the main frame (1), the lifting part (7) comprises a lifting plate (71), a guide groove (72) is arranged on the rear part of the lifting plate (71), the lifting plate is vertically and slidably connected with the guide rails through the guide groove (72), and the upper end of the clamping plate (61) extends outwards and is fixedly connected with the lower end of the lifting plate (71).

8. A lifting system according to claim 7, characterized in that one end of the rotating shaft (2) located at the lower part of the main frame (1) is connected with a power device, the two ends of the upper rotating shaft (2) are connected with the two sides of the main frame (1) through adjusting parts (4), and the distance between the two rotating shafts (2) can be adjusted through the adjusting parts (4).