CN211599427U

CN211599427U - Chain tensioning device and piggyback transport vehicle

Info

Publication number: CN211599427U
Application number: CN201922137009.8U
Authority: CN
Inventors: 沈彩瑜; 吴荣坤; 李华; 郑和平; 赵金凤
Original assignee: China Shenhua Energy Co Ltd; CRRC Qiqihar Rolling Stock Co Ltd; Shenhua Railway Equipment Co Ltd
Current assignee: China Shenhua Energy Co Ltd; CRRC Qiqihar Rolling Stock Co Ltd; Shenhua Railway Equipment Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-09-29
Anticipated expiration: 2029-12-03

Abstract

The utility model provides a chain overspeed device tensioner and piggyback transport vechicle. Wherein, chain tensioner includes: a fixed seat; the movable component is movably arranged relative to the fixed seat, and the chain is wound on the movable component; the adjusting component is connected with the fixed seat and the movable component, and can adjust the distance between the movable component and the fixed seat to tension the chain. The utility model provides a carry on back transport vechicle chain tensioning not enough problem among the prior art.

Description

Chain tensioning device and piggyback transport vehicle

Technical Field

The utility model relates to a transport technical field carries on the back, particularly, relates to a chain overspeed device tensioner and transport vechicle carries on the back.

Background

The chain mounted on the end underframe can rotate to drive the loading underframe to rotate out, the chain is lifted and descended by the transmission mechanism and then contacts with the ground, so that the transport vehicle for carrying the highway freight car or the semi-trailer up and down is realized, the chain is easy to loosen due to insufficient tension after being used for a period of time, the chain cannot stably drive the loading underframe to rotate, the normal work of the devices such as the loading underframe is influenced, and even partial devices are damaged.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a chain tensioning device and piggyback transport vechicle to solve the not enough problem of piggyback transport vechicle chain tensioning among the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a chain tensioner comprising: a fixed seat; the movable component is movably arranged relative to the fixed seat, and the chain is wound on the movable component; the adjusting component is connected with the fixed seat and the movable component, and can adjust the distance between the movable component and the fixed seat to tension the chain.

Further, the movable assembly includes: the opening track of the slide way is parallel to the motion track of the movable assembly; the clamping sleeve is arranged on the slideway in a sliding manner and can move along the opening track of the slideway; the bottom plate, the bottom plate is connected with the cutting ferrule to be connected with the adjusting part, the adjusting part passes through the bottom plate and drives the cutting ferrule slip.

Further, the cutting ferrule is a plurality of and set up in pairs, and two cutting ferrules that set up in pairs are located the relative both sides of bottom plate respectively, are provided with the roller that is used for around establishing the chain between two cutting ferrules in pairs.

Further, the connecting line of the two clamping sleeves arranged in pairs is perpendicular to the moving track line of the movable assembly.

Furthermore, the cutting sleeve is provided with a bulge, and the bulge extends into the slideway and moves along the opening track of the slideway.

Furthermore, the slide is a plurality of and parallel setups each other, and every cutting ferrule sets up simultaneously on two at least slides, all has two at least archs on every cutting ferrule, and all holds at least one arch in every slide.

Furthermore, the movable assembly further comprises an anti-falling plate, the anti-falling plate is connected with the bottom plate, and the adjusting assembly penetrates through the anti-falling plate and is connected with the bottom plate.

Furthermore, the movable assembly further comprises a reinforcing plate, the reinforcing plate is connected with the bottom plate, and the reinforcing plate is perpendicular to the bottom plate.

Further, the adjustment assembly includes: the adjusting bolt is arranged between the fixed seat and the movable assembly in a penetrating way, and the adjusting bolt is adjustably connected with the fixed seat and is abutted against the movable assembly; the adjusting nut is connected with the fixed seat, and the adjusting bolt is adjustably connected with the adjusting nut in position so as to change the distance between the movable assembly and the fixed seat; and the locking nut is adjustably connected with the adjusting bolt and can be abutted against the fixed seat so as to lock the adjusting bolt.

Furthermore, along the axial direction of adjusting bolt, adjusting nut and lock nut are located the both sides of fixing base respectively.

Furthermore, the adjusting assembly is provided with a plurality of adjusting assemblies, and each adjusting assembly can drive the movable assembly to move.

According to another aspect of the present invention, there is provided a piggyback transport vehicle comprising the above chain tensioner.

Use the technical scheme of the utility model, through being provided with the movable assembly that can move about, the chain is around through movable assembly, when the tensile force of needs adjustment chain, through the adjustment subassembly in order to change the distance between movable assembly and the fixing base to make movable assembly drive the chain motion, make the chain tensioning. The chain can be effectively tensioned by the arrangement mode, and the chain tensioning device is simple and reliable in structure, high in operation efficiency and high in popularization value.

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 front view of the chain tensioner of the present invention;

FIG. 2 shows a top view of the chain tensioner of FIG. 1;

FIG. 3 shows a side view of the chain tensioner of FIG. 1; and

fig. 4 shows a schematic view of the chain tensioner of fig. 1 with a chain wound around it.

Wherein the figures include the following reference numerals:

10. a fixed seat; 20. a movable component; 21. a slideway; 22. a card sleeve; 221. a protrusion; 23. a base plate; 24. an anti-drop plate; 25. a reinforcing plate; 30. an adjustment assembly; 31. adjusting the bolt; 32. adjusting the nut; 33. and locking the nut.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the problem of insufficient chain tensioning of the piggyback transport vehicle in the prior art, the utility model provides a chain tensioning device and piggyback transport vehicle.

As shown in fig. 1 to 4, a chain tensioner comprises a fixed seat 10, a movable component 20 and an adjusting component 30, wherein the movable component 20 is movably arranged relative to the fixed seat 10, and a chain is wound on the movable component 20; the adjusting assembly 30 is connected with both the fixed seat 10 and the movable assembly 20, and can adjust the distance between the movable assembly 20 and the fixed seat 10 to tension the chain.

This embodiment is through being provided with movable assembly 20 that can move about, and the chain is around through movable assembly 20, when the tensile force of chain needs to be adjusted, through adjustment assembly 30 with the distance that changes between movable assembly 20 and the fixing base 10 to make movable assembly 20 drive the chain motion, make the chain tensioning. The chain can be effectively tensioned by the arrangement mode, and the chain tensioning device is simple and reliable in structure, high in operation efficiency and high in popularization value.

In the embodiment, the chain tensioning device is used for tensioning the chain on the end underframe of the piggyback transport car as an example, accordingly, the fixed seat 10 is fixed on the end underframe of the piggyback transport car, and the movable component 20 is movably arranged on the end underframe. Of course, the chain tensioner can also be used for chain tensioning of other similar constructions.

As shown in fig. 1, the movable assembly 20 includes a slide 21, a sleeve 22 and a bottom plate 23, the slide 21 is provided on a projection of the end chassis, the provided track of the slide 21 is parallel to the movement track of the movable assembly 20 and parallel to the plane of the chain, when the chain needs to be tensioned, the movable assembly 20 is adjusted to move to the outer side of the chain, so that the chain can be tensioned; the cutting sleeve 22 is arranged on the slideway 21 in a sliding manner and can move along the opening track of the slideway 21, a roll shaft can be arranged on the cutting sleeve 22, a chain wheel is arranged on the roll shaft, and the chain is meshed and matched with the chain wheel, so that the movement of the movable assembly 20 can drive the chain to move synchronously; the bottom plate 23 is connected with the cutting sleeve 22 and is connected with the adjusting component 30, and the adjusting component 30 drives the cutting sleeve 22 to slide through the bottom plate 23.

Optionally, the plurality of cutting sleeves 22 are arranged in pairs, two cutting sleeves 22 arranged in pairs are respectively located on two opposite sides of the bottom plate 23, and a roller shaft for winding a chain is arranged between the two cutting sleeves 22 in pairs. The two cutting sleeves 22 are arranged at intervals and symmetrically arranged on two sides of the bottom plate 23, mounting holes for mounting the roller shafts are formed in the cutting sleeves 22, the roller shafts are arranged between the two cutting sleeves 22 and mounted on the mounting holes, the connecting line of the two cutting sleeves 22, namely the axis of the roller shafts, is perpendicular to the movement track line of the movable assembly 20, the movement track line of the movable assembly 20 is parallel to the plane where the chain is located, and the axis of the roller shafts is perpendicular to the plane where the chain is located. Like this, the chain can be stably around on the roller, can also guarantee simultaneously that movable assembly 20 atress is balanced, avoids unilateral cutting ferrule 22 atress inequality to lead to the chain to drop.

As shown in fig. 3, the ferrule 22 has a protrusion 221, and the protrusion 221 extends into the slide way 21 and moves along the opening track of the slide way 21. Preferably, the slide ways 21 are multiple and parallel to each other, each cutting ferrule 22 is simultaneously disposed on at least two slide ways 21, each cutting ferrule 22 has at least two protrusions 221, and at least one protrusion 221 is accommodated in each slide way 21, for example, in this embodiment, two cutting ferrules 22 and four slide ways 21 are provided, each cutting ferrule 22 has a connection relationship with two slide ways 21, two rows of protrusions 221 are provided on each cutting ferrule 22, the specific number of each row of protrusions 221 is not limited, and two rows of protrusions 221 are accommodated in two slide ways 21, so that the movement of each cutting ferrule 22 is limited by two slide ways 21, so that the cutting ferrule 22 is balanced in stress, and the smooth sliding of the cutting ferrule 22 is facilitated.

In this embodiment, the movable assembly 20 further includes a retaining plate 24, the retaining plate 24 is connected to the bottom plate 23, and the adjusting assembly 30 passes through the retaining plate 24 and is connected to the bottom plate 23. The anti-falling plate 24 has a certain thickness and is provided with a through round hole for the adjustment assembly 30 to penetrate through, and the anti-falling plate 24 can ensure that the support force of the adjustment assembly 30 to the bottom plate 23 is stably acted on the bottom plate 23, so that the adjustment assembly 30 is prevented from accidentally falling off from the bottom plate 23.

The bottom plate 23 of this embodiment is bent by the plate and is formed, and the middle part of bottom plate 23 is close to fixing base 10 than both sides, and the middle part and the adjustment subassembly 30 of bottom plate 23 are connected, and the both sides of bottom plate 23 are connected with cutting ferrule 22, and this structure can make adjustment subassembly 30 can transmit cutting ferrule 22 better to the power of bottom plate 23 to in the smooth motion of driving cutting ferrule 22. In order to ensure the structural strength of the bent bottom plate 23, the movable assembly 20 further comprises a reinforcing plate 25, the reinforcing plate 25 is connected with the bottom plate 23 and is arranged at the bent position of the bottom plate 23, and the reinforcing plate 25 is perpendicular to the bottom plate 23, so that the overall strength of the bottom plate 23 is ensured, and the rigidity and the strength of the chain tensioning device are improved.

Preferably, the fixing seat 10 is welded on the end underframe, and the clamping sleeve 22, the bottom plate 23, the reinforcing plate 25 and the anti-dropping plate 24 are all welded and fixed, so that the overall rigidity and strength of the chain tensioning device are ensured.

In this embodiment, the adjusting assembly 30 includes an adjusting bolt 31, an adjusting nut 32 and a locking nut 33, the adjusting bolt 31 is inserted between the fixed seat 10 and the movable assembly 20, the adjusting bolt 31 is adjustably connected with the fixed seat 10 and abuts against the movable assembly 20; the adjusting nut 32 is connected with the fixed seat 10 and can be fixed on the fixed seat 10 in a welding mode, the adjusting bolt 31 is adjustably connected with the adjusting nut 32, the adjusting bolt 31 can be rotated to change the relative position between the adjusting bolt 31 and the adjusting nut 32 through the thread fit between the adjusting bolt 31 and the adjusting nut 32, further the distance between the movable assembly 20 and the fixed seat 10 is changed, and the chain is tensioned; the lock nut 33 is adjustably connected with the adjusting bolt 31, the adjusting nut 32 and the lock nut 33 are respectively located on two sides of the fixing seat 10 along the axial direction of the adjusting bolt 31, after the chain is tensioned, the lock nut 33 is screwed to enable the lock nut 33 to abut against the fixing seat 10, at the moment, the movement of the lock nut 33 is limited by the fixing seat 10, even if the adjusting bolt 31 is screwed, the lock nut 33 cannot move, and therefore the purpose of locking the adjusting bolt 31 is achieved.

It should be noted that, because the bottom plates 23 of the adjusting bolts 31 of the embodiment are in abutting relationship, the adjusting bolts 31 abut against the bottom plates 23 to enable the movable assembly 20 to slide in a direction away from the fixing base 10, in order to ensure the chain tensioning effect and avoid separation between the adjusting bolts 31 and the bottom plates 23, after the chain is wound on the movable assembly 20, the length direction of the chain extends in a direction close to the fixing base 10, as shown in fig. 4, in this way, when the adjusting bolts 31 push the bottom plates 23 to slide in a direction away from the fixing base 10, the chain can be tensioned, and meanwhile, the pulling force of the chain on the movable assembly 20 is toward the fixing base 10, so as to ensure that the bottom plates 23 are tightly attached to the adjusting bolts 31. Of course, the adjusting bolt 31 and the bottom plate 23 may be connected through other components, so that the adjusting bolt 31 can both push the bottom plate 23 and pull the bottom plate 23, so that the movable assembly 20 can move in two directions under the driving of the adjusting bolt 31, and at this time, the winding manner of the chain is no longer limited as described above.

In the present embodiment, the adjusting assembly 30 has a plurality of adjusting bolts 31, adjusting nuts 32 and locking nuts 33, and the adjusting nuts 32 are fixedly connected to the fixing base 10 in a one-to-one correspondence, so that the adjusting nuts 32 can be integrally connected to each other, for example, a plate-shaped member is provided with a plurality of threaded holes, and the threaded holes can be used as the adjusting nuts 32. Each adjustment assembly 30 is capable of independently driving movement of the movable assembly 20.

This embodiment is provided with two adjusting part 30, when needs tensioning chain, loosen the lock nut 33 of an adjusting part 30, rotate its adjusting bolt 31 for movable assembly 20 slides a little distance, then, loosen the lock nut 33 of another adjusting part 30, rotate its adjusting bolt 31, make it the little distance of removals on the basis of the distance of previous adjusting bolt 31 motion again, so relapse, rotate two adjusting bolt 31 in proper order, make movable assembly 20 keep away from fixing base 10 gradually, the chain tensioning gradually, after the chain tensioning is accomplished, fasten two lock nuts 33, lock two adjusting bolt 31. By the aid of the mode, the chain can be slightly adjusted by the adjusting bolt 31 at each time, tensioning effect is guaranteed, jamming is avoided between the clamping sleeve 22 and the slide rail 21, and the movable assembly 20 can smoothly slide.

Of course, more adjusting assemblies 30 can be provided, and the tensioning of the chain can be realized by sequentially rotating the adjusting bolts 31 of each adjusting assembly 30; alternatively, only one adjusting member 30 may be provided, and the axis of the adjusting bolt 31 coincides with the axis of the movable member 20, so as to ensure the smooth movement of the movable member 20.

It should be noted that, a plurality in the above embodiments means at least two.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the problem of insufficient chain tension of the piggyback transport vehicle in the prior art is solved;

2. the movable assembly drives the chain to move by adjusting the assembly to change the distance between the movable assembly and the fixed seat, so that the chain is tensioned;

3. simple and reliable structure and high operation efficiency.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

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 is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

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

1. A chain tensioner, comprising:

a fixed seat (10);

the movable component (20) is movably arranged relative to the fixed seat (10), and a chain is wound on the movable component (20);

adjusting part (30), adjusting part (30) with fixing base (10) with movable assembly (20) all are connected, and can adjust movable assembly (20) with the distance between fixing base (10) is with the tensioning the chain.

2. Chain tensioner according to claim 1, characterized in that said movable assembly (20) comprises:

the opening track of the slide way (21) is parallel to the motion track of the movable assembly (20);

the cutting sleeve (22) is arranged on the slide way (21) in a sliding mode and can move along the opening track of the slide way (21);

the bottom plate (23), bottom plate (23) with cutting ferrule (22) are connected to with adjustment assembly (30) is connected, adjustment assembly (30) pass through bottom plate (23) drive cutting ferrule (22) slide.

3. The chain tensioner as set forth in claim 2, characterized in that said cutting sleeves (22) are plural and arranged in pairs, two cutting sleeves (22) arranged in pairs are respectively located at two opposite sides of said bottom plate (23), and a roller shaft for winding said chain is arranged between two cutting sleeves (22) in pairs.

4. A chain tensioner according to claim 3, characterized in that the line connecting two said ferrules (22) arranged in pairs is perpendicular to the movement trajectory of said movable assembly (20).

5. Chain tensioner according to claim 2, characterized in that the ferrule (22) has a protrusion (221), the protrusion (221) protruding into the slideway (21) and moving along the opening trajectory of the slideway (21).

6. Chain tensioner according to claim 5, characterized in that said slides (21) are multiple and parallel to each other, each said ferrule (22) being provided on at least two of said slides (21) at the same time, each said ferrule (22) having at least two said protrusions (221) and each said slide (21) having at least one said protrusion (221) housed therein.

7. The chain tensioner according to claim 2, wherein said movable assembly (20) further comprises an anti-drop plate (24), said anti-drop plate (24) being connected to said base plate (23), and said adjustment assembly (30) being connected to said base plate (23) through said anti-drop plate (24).

8. Chain tensioner according to claim 2, characterized in that said movable assembly (20) further comprises a reinforcement plate (25), said reinforcement plate (25) being connected to said base plate (23), and said reinforcement plate (25) and said base plate (23) being mutually perpendicular.

9. Chain tensioner according to claim 1, characterized in that said adjustment assembly (30) comprises:

the adjusting bolt (31) is arranged between the fixed seat (10) and the movable assembly (20) in a penetrating mode, and the adjusting bolt (31) is connected with the fixed seat (10) in an adjustable mode and abutted against the movable assembly (20);

the adjusting nut (32), the adjusting nut (32) is connected with the fixed seat (10), and the adjusting bolt (31) is connected with the adjusting nut (32) in a position-adjustable manner so as to change the distance between the movable assembly (20) and the fixed seat (10);

and the locking nut (33) is adjustably connected with the adjusting bolt (31), and can be abutted against the fixed seat (10) to lock the adjusting bolt (31).

10. Chain tensioner according to claim 9, characterized in that the adjusting nut (32) and the lock nut (33) are located on either side of the fixed seat (10) in the axial direction of the adjusting bolt (31).

11. Chain tensioner according to claim 1, characterized in that said adjusting assembly (30) is provided in plurality and each of said adjusting assemblies (30) is capable of driving said movable assembly (20) in motion.

12. A piggyback transport vehicle comprising the chain tensioner of any one of claims 1 to 11.