CN218344487U

CN218344487U - Differential conveying device

Info

Publication number: CN218344487U
Application number: CN202222949116.2U
Authority: CN
Inventors: 殷彬; 方继武; 杨建昌; 汤国华; 陈荣; 曹升; 贝红斌; 邵红林; 周彦珠; 谢莹; 凌炎涵
Original assignee: Baoji CRRC Times Engineering Machinery Co Ltd
Current assignee: Baoji CRRC Times Engineering Machinery Co Ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-01-20
Anticipated expiration: 2032-11-04

Abstract

The utility model provides a differential conveying device, which comprises a frame, a conveying mechanism and a fastener box; the conveying mechanism at least comprises a first wheel shaft, a second wheel shaft, a first driving unit, a second driving unit, a first driving chain wheel, a first driven chain wheel, a second driving chain wheel, a second driven chain wheel, a first conveying chain and a second conveying chain; the first driving unit is connected with the first wheel shaft; the second driving unit is connected with the second wheel shaft; the first driving chain wheel is arranged on the first wheel shaft; the first driven chain wheel is sleeved on the second wheel shaft; the second driving chain wheel is arranged on the second wheel shaft; the second driven chain wheel is sleeved on the first wheel shaft; the first conveying chain is arranged around the first driving chain wheel and the first driven chain wheel; the second conveying chain is arranged around the second driving chain wheel and the second driven chain wheel; fastener boxes are arranged on the first conveying chain and the second conveying chain. Compared with the prior art, the utility model provides a differential conveyor can improve the transport efficiency to the railway fastener.

Description

Differential conveying device

Technical Field

The utility model relates to a railway construction technical field especially relates to a differential conveyor.

Background

When the railway line overhaul, need carry out a large amount of railway fastener and change the operation, involve treating in a large number and change and treat the railway fastener of installation. Railway fastener bulk cargo car is one kind and can be with the automatic large-scale maintenance machinery of installing on the sleeper bolt of railway fastener to replace artifical installation, reduce railway line operation personnel work load, reduce railway line operation safety risk. Railway fastener bulk cargo car is at the in-process of operation, and conveyor carries the bulk cargo position with each railway fastener according to the beat at last material level, and the bulk cargo position snatchs the bulk cargo position fastener through the manipulator and installs on the sleeper bolt.

However, in the conventional railway fastener bulk material truck, one conveyor belt is mostly used for conveying railway fasteners, and although the railway fasteners can be conveyed by one conveyor belt, the operation efficiency is low, thereby affecting the installation and construction efficiency of the whole railway fasteners.

SUMMERY OF THE UTILITY MODEL

To the conveyor among the prior art, carry to the transport of railway fastener and use a conveyer belt to carry, the operating efficiency is on the low side to influence the technical problem of railway fastener's installation efficiency of construction. The utility model provides a differential conveyor, it is in the same place multiunit conveying chain combination, and the time of motion is each other not influenced, has been transformed into parallel multiunit simultaneous operation to the serial single operation originally, has increased the operating efficiency, has saved the time for the railway construction operation that the operating efficiency requires height, engineering time weak point, has improved the installation and construction efficiency of railway fastener, and the specially adapted is many motion states, the application scene that the operating efficiency required height.

A differential conveying device comprises a frame, a conveying mechanism and a fastener box;

the conveying mechanism is arranged on the rack; the conveying mechanism at least comprises a first wheel shaft, a second wheel shaft, a first driving unit, a second driving unit, a first driving chain wheel, a first driven chain wheel, a second driving chain wheel, a second driven chain wheel, a first conveying chain and a second conveying chain;

the second wheel shaft and the first wheel shaft are oppositely arranged at intervals;

the first driving unit is connected with the first wheel shaft and used for driving the first wheel shaft to rotate along the axis of the first wheel shaft;

the second driving unit is connected with the second wheel shaft and used for driving the second wheel shaft to rotate along the axis of the second wheel shaft;

the first driving chain wheel is arranged on the first wheel shaft and can rotate along with the first wheel shaft;

the first driven chain wheel is sleeved on the second wheel shaft;

the second driving chain wheel is arranged on the second wheel shaft and can rotate along with the second wheel shaft;

the second driven chain wheel is sleeved on the first wheel shaft;

the first conveying chain is arranged around the first driving chain wheel and the first driven chain wheel;

the second conveying chain is arranged around the second driving chain wheel and the second driven chain wheel;

the first conveying chain and the second conveying chain are provided with the fastener boxes, and the fastener boxes are used for bearing and fixing railway fasteners.

Preferably, the conveying mechanism further comprises a third wheel shaft, a third driving unit, a third driving sprocket, a third driven sprocket and a third conveying chain;

the third wheel shaft is arranged below the second wheel shaft;

the third driving unit is connected with the third wheel shaft and used for driving the third wheel shaft to rotate along the axis of the third wheel shaft;

the third driving sprocket is arranged on the third wheel shaft and can rotate along with the third wheel shaft;

the first wheel shaft and the second wheel shaft are sleeved with the third driven chain wheel;

the third conveying chain is arranged around the third driving chain wheel and the third driven chain wheel, and the fastener box is arranged on the third conveying chain;

the third wheel shaft is respectively sleeved with the first driven chain wheel and the second driven chain wheel.

Preferably, the conveying mechanism further comprises a fourth wheel shaft;

the fourth wheel shaft is arranged below the first wheel shaft and is arranged opposite to the third wheel shaft at intervals;

the fourth wheel shaft is respectively sleeved with the first driven chain wheel, the second driven chain wheel and the third driven chain wheel.

Preferably, the first driven sprocket is respectively sleeved on the second wheel shaft, the third wheel shaft and the fourth wheel shaft through bearings;

the second driven chain wheel is respectively sleeved on the first wheel shaft, the third wheel shaft and the fourth wheel shaft through bearings;

the third driven chain wheel is respectively sleeved on the first wheel shaft, the second wheel shaft and the fourth wheel shaft through bearings.

Preferably, the device further comprises a guide device, wherein the guide device is mounted on the frame and used for driving the differential speed conveying device to travel along a railway line track.

Preferably, the conveying chains in the conveying mechanism are all side bending chains;

the machine frame comprises a first machine frame and a second machine frame; the conveying mechanism is arranged on the first frame and the second frame respectively, the first frame is hinged with the second frame, and the hinged shafts of the first frame and the second frame are vertical.

Preferably, the first rack comprises a first rack body and a first rack connecting plate, and the first rack connecting plate is connected with the first rack body and is positioned at one side close to the second rack;

the second rack comprises a second rack body and a second rack connecting plate, and the second rack connecting plate is connected with the second rack body and is positioned at one side close to the first rack;

the first rack connecting plate is hinged with the second rack connecting plate through a hinge shaft.

Preferably, the guide device is disposed at an end of each of the first frame and the second frame.

Preferably, the guiding device comprises a wheel seat, a guiding wheel pair and a connecting frame;

the guide wheel pair is rotatably arranged on the wheel seat;

the connecting frame connects the wheel seat with the frame.

Compared with the prior art, the differential conveying device provided by the utility model comprises a frame, a conveying mechanism and a fastener box; the conveying mechanism is arranged on the rack; the conveying mechanism at least comprises a first wheel shaft, a second wheel shaft, a first driving unit, a second driving unit, a first driving chain wheel, a first driven chain wheel, a second driving chain wheel, a second driven chain wheel, a first conveying chain and a second conveying chain; the second wheel shaft and the first wheel shaft are oppositely arranged at intervals; the first driving unit is connected with the first wheel shaft and used for driving the first wheel shaft to rotate along the axis of the first wheel shaft; the second driving unit is connected with the second wheel shaft and used for driving the second wheel shaft to rotate along the axis of the second wheel shaft; the first driving chain wheel is arranged on the first wheel shaft and can rotate along with the first wheel shaft; the first driven chain wheel is sleeved on the second wheel shaft; the second driving chain wheel is arranged on the second wheel shaft and can rotate along with the second wheel shaft; the second driven chain wheel is sleeved on the first wheel shaft; the first conveying chain is arranged around the first driving chain wheel and the first driven chain wheel; the second conveying chain is arranged around the second driving chain wheel and the second driven chain wheel; the first conveying chain and the second conveying chain are provided with the fastener boxes, and the fastener boxes are used for bearing and fixing railway fasteners. Therefore, when in conveying, the first driving unit can drive the first conveying chain to operate through the first driving chain wheel, and the second driving unit can drive the second conveying chain to operate through the second driving chain wheel. And because the first driven chain wheel is sleeved on the second wheel shaft, when the second wheel shaft runs, the first driven chain wheel cannot be driven by the second wheel shaft, so that when the second wheel shaft drives the second conveying chain to run, the normal running of the first conveying chain cannot be interfered. In a similar way, the second driven sprocket is sleeved on the first wheel shaft, so that when the first wheel shaft drives the first conveying chain to operate, the normal operation of the second conveying chain can not be interfered. The differential conveying device changes the original serial single operation into parallel multi-group simultaneous operation, increases the operation efficiency, saves the time for the railway construction operation with high operation efficiency requirement and short construction time, and is particularly suitable for the application scenes with multiple motion states and high operation efficiency requirement.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a differential speed conveying device provided by an embodiment;

FIG. 2 is a schematic structural view of the conveying mechanism shown in FIG. 1;

FIG. 3 is a schematic view of the conveying mechanism of FIG. 1 at another angle;

FIG. 4 is a schematic structural view of a mid-section subassembly of the delivery mechanism of FIG. 1;

FIG. 5 is a schematic structural view of the assembled relationship between the first axle and the sprocket shown in FIG. 1;

fig. 6 is a schematic structural view of a mid-section subassembly of the rack of fig. 1.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It will be understood that when an element is referred to as being "secured to", "mounted to" or "disposed on" another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is "connected" to another element, or is referred to as being "connected" to another element, it can be directly connected or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation as a limitation of the application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present application can be implemented, so that the present application has no technical significance.

The utility model provides a differential conveying device, which comprises a frame, a conveying mechanism and a fastener box; the conveying mechanism is arranged on the rack; the conveying mechanism at least comprises a first wheel shaft, a second wheel shaft, a first driving unit, a second driving unit, a first driving chain wheel, a first driven chain wheel, a second driving chain wheel, a second driven chain wheel, a first conveying chain and a second conveying chain; the second wheel shaft and the first wheel shaft are oppositely arranged at intervals; the first driving unit is connected with the first wheel shaft and used for driving the first wheel shaft to rotate along the axis of the first wheel shaft; the second driving unit is connected with the second wheel shaft and used for driving the second wheel shaft to rotate along the axis of the second wheel shaft; the first driving chain wheel is arranged on the first wheel shaft and can rotate along with the first wheel shaft; the first driven chain wheel is sleeved on the second wheel shaft; the second driving chain wheel is arranged on the second wheel shaft and can rotate along with the second wheel shaft; the second driven chain wheel is sleeved on the first wheel shaft; the first conveying chain is arranged around the first driving chain wheel and the first driven chain wheel; the second conveying chain is arranged around the second driving chain wheel and the second driven chain wheel; the first conveying chain and the second conveying chain are provided with the fastener boxes, and the fastener boxes are used for bearing and fixing railway fasteners. Therefore, when the conveyer is conveyed, the first driving unit can drive the first conveying chain to operate through the first driving chain wheel, and the second driving unit can drive the second conveying chain to operate through the second driving chain wheel. And because the first driven chain wheel is sleeved on the second wheel shaft, when the second wheel shaft runs, the first driven chain wheel cannot be driven by the second wheel shaft, so that when the second wheel shaft drives the second conveying chain to run, the normal running of the first conveying chain cannot be interfered. In a similar way, the second driven sprocket is sleeved on the first wheel shaft, so that when the first wheel shaft drives the first conveying chain to operate, the normal operation of the second conveying chain can not be interfered. The differential conveying device changes the original serial single operation into parallel multi-group simultaneous operation, increases the operation efficiency, saves the time for the railway construction operation with high operation efficiency requirement and short construction time, and is particularly suitable for application scenes with multiple motion states and high operation efficiency requirement.

Please refer to fig. 1 to fig. 6. The present embodiment provides a differential conveying apparatus 100, which is applied to a bulk material vehicle for railway fasteners. Namely, the differential conveying device 100 is a conveying device for a railway fastener bulk cargo vehicle.

The differential speed conveying device 100 comprises a frame 10, a conveying mechanism 20 and a fastener box 40. The conveying mechanism 20 is mounted on the frame 10, and the conveying mechanism 20 is used for conveying the fastener box 40 so as to convey the railway fasteners in the fastener box 40 to a required position area.

The conveying mechanism 20 at least comprises a first wheel axle 21, a second wheel axle 22, a first driving unit 23, a second driving unit 24, a first driving chain wheel 25, a first driven chain wheel 26, a second driving chain wheel 27, a second driven chain wheel 28, a first conveying chain 29 and a second conveying chain 31.

The second wheel axle 22 is arranged opposite to the first wheel axle 21 at an interval, the first driving unit 23 is connected with the first wheel axle 21, and the second driving unit 24 is connected with the second wheel axle 22. The first driving unit 23 is configured to drive the first wheel axle 21 to rotate along the axis of the first wheel axle 21, and the second driving unit 24 is configured to drive the second wheel axle 22 to rotate along the axis of the second wheel axle 22.

The first driving sprocket 25 is disposed on the first wheel axle 21 and can rotate along with the first wheel axle 21, that is, the first driving sprocket 25 is fixed on the first wheel axle 21, and when the first wheel axle 21 rotates under the driving of the first driving unit 23, the first driving sprocket 25 is correspondingly driven to rotate. Specifically, in the present embodiment, the first driving sprocket 25 is keyed to the first axle 21. The first driven sprocket 26 is sleeved on the second wheel axle 22, that is, the first driven sprocket 26 is sleeved on the second wheel axle 22, when the second wheel axle 22 is driven by the second driving unit 24 to rotate, there is no relative force between the first driven sprocket 26 and the second wheel axle 22 in the circumferential direction, and the first driven sprocket 26 does not rotate along with the second wheel axle 22. The first conveying chain 29 is disposed around the first driving sprocket 25 and the first driven sprocket 26, so that the first conveying chain 29 can be driven to run by the rotation of the first driving sprocket 25.

The second driving sprocket 27 is disposed on the second wheel axle 22 and can rotate along with the second wheel axle 22, that is, the second driving sprocket 27 is fixed on the second wheel axle 22, and when the second wheel axle 22 rotates under the driving of the second driving unit 24, the second driving sprocket 27 is correspondingly driven to rotate. Specifically, in the present embodiment, the second driving sprocket 27 is keyed to the second axle 22. The second driven sprocket 28 is sleeved on the first wheel axle 21, that is, the second driven sprocket 28 is sleeved on the first wheel axle 21, when the first wheel axle 21 is driven by the first driving unit 23 to rotate, there is no relative force between the second driven sprocket 28 and the first wheel axle 21 in the circumferential direction, and the second driven sprocket 28 does not rotate along with the first wheel axle 21. The second conveying chain 31 is disposed around the second driving sprocket 27 and the second driven sprocket 28, so that the second conveying chain 31 can be driven to run by the rotation of the second driving sprocket 27.

The fastener boxes 40 are arranged on the first conveying chain 29 and the second conveying chain 31, and the fastener boxes 40 are used for bearing and fixing railway fasteners. So that railway fasteners can be simultaneously conveyed by the operation of the first conveyor chain 29 and the second conveyor chain 31.

That is, in this embodiment, the first wheel axle 21 is a driving wheel axle of the first conveying chain 29, and the first conveying chain 29 can be driven to run by the rotation of the first wheel axle 21. Meanwhile, the first wheel axle 21 is also a supporting wheel axle of the second conveying chain 31, the first wheel axle 21 is also used for supporting the normal operation of the second conveying chain 31, and the second driven sprocket 26 is sleeved on the first wheel axle 21, so that when the first wheel axle 21 operates, the second driven sprocket 26 is not interfered. Similarly, the second wheel axle 22 is a driving wheel axle of the second conveying chain 31 and is also a supporting wheel axle of the first conveying chain 29.

That is, the first wheel axle 21, the second wheel axle 22, the first driving sprocket 25, the first driven sprocket 26, and the first conveying chain 29 can be regarded as one conveying unit; the first wheel axle 21, the second wheel axle 22, the second driving sprocket 27, the second driven sprocket 28, and the second conveying chain 31 are regarded as another conveying unit. The axles of the two conveyor units are common, and the driving axle of one conveyor unit is the supporting axle of the other conveyor unit. The two conveying units can move independently without interference and collision. The specific motion state of the conveying unit is intermittent motion, uniform motion, rest and uniform motion, so that the motion cycle of assembling, conveying, scattering and resetting the railway fasteners one by one is realized.

It can be understood that, in the prior art, most of the conveying of the railway fastener is realized by using one conveying belt, so that the operation efficiency is low, and the installation and construction efficiency of the whole railway fastener is influenced.

The differential conveying device 100 provided by the embodiment can combine multiple groups of conveying units together, has a more compact overall structure, does not affect each other during movement, converts original serial single operation into parallel multiple groups of simultaneous operation, increases the operation efficiency, saves time for railway construction operation with high operation efficiency requirement and short construction time, and is particularly suitable for application scenes with multiple movement states and high operation efficiency requirement.

The frame 10 is composed of a steel structure, a chain supporting plate, a chain limiting baffle, a side baffle and the like, and is mainly used for fixing and supporting components such as a driving unit, a conveying chain and a wheel shaft.

The fastener box 40 is used for containing a set of railway fasteners, and ensures that the railway fasteners are not scattered in the conveying process.

The first and

second driving units

23 and 24 may be driven by a reduction motor or a hydraulic motor.

Preferably, the conveying mechanism 20 further includes a third wheel shaft 32, a third driving unit 33, a third driving sprocket 34, a third driven sprocket 35, and a third conveying chain 36. The third wheel axle 32 is disposed below the second wheel axle 22, and the third driving unit 33 is connected to the third wheel axle 32 for driving the third wheel axle 32 to rotate along the axis of the third wheel axle 32. The third driving sprocket 34 is disposed on the third axle 32 and can rotate along with the third axle 32. The third driven sprocket 35 is sleeved on both the first wheel shaft 21 and the second wheel shaft 22. The third conveying chain 36 is disposed around the third driving sprocket 34 and the third driven sprocket 35, and the fastener box 40 is disposed on the third conveying chain 36. The third axle 32 is sleeved with the first driven sprocket 26 and the second driven sprocket 28 respectively.

That is, in this embodiment, three conveying units are specifically provided, and the work efficiency can be improved better by three conveying chains. And the driven chain wheel of the corresponding conveying unit is correspondingly sleeved on each wheel shaft, so that each conveying chain is respectively arranged around the three wheel shafts. That is, the drive axles of each conveyor unit are different axles and the trailing axles are the other axles, but their trailing axles may be the drive axles of another conveyor unit. The same wheel shaft is provided with a driving chain wheel and a driven chain wheel, so that the respective motions are not influenced mutually. Of course, in other embodiments, the number of the specific arrangement of the conveying units may be more.

Preferably, the conveying mechanism 20 further comprises a fourth wheel axle 37, and the fourth wheel axle 37 is disposed below the first wheel axle 21 and is spaced opposite to the third wheel axle 32. The first driven sprocket 26, the second driven sprocket 28 and the third driven sprocket 35 are respectively sleeved on the fourth wheel axle 37. That is to say, in this embodiment, the wheel shafts are four, four are distributed in a rectangular shape as a whole, and each wheel shaft is provided with a corresponding driven sprocket, so that the first conveying chain 29, the second conveying chain 31 and the third conveying chain 36 respectively surround the four wheel shafts, and the whole is arranged in a rectangular ring shape, so as to better adapt to the corresponding structure on the bulk cargo vehicle for railway fasteners.

Preferably, the first driven sprocket 26 is respectively sleeved on the second wheel axle 22, the third wheel axle 32 and the fourth wheel axle 37 through bearings; the second driven sprocket 28 is respectively sleeved on the first wheel axle 21, the third wheel axle 32 and the fourth wheel axle 37 through bearings; the third driven sprocket 35 is respectively sleeved on the first wheel axle 21, the second wheel axle 22 and the fourth wheel axle 37 through bearings. Thereby better avoiding the abrasion between the driven chain wheel and the wheel shaft and ensuring the service life.

Preferably, the differential speed conveying device 100 further comprises a guiding device 50, and the guiding device 50 is mounted on the frame 10 and is used for driving the differential speed conveying device 100 to travel along the track of the railway line 200. The guide means 50 thus facilitates the running of the differential conveyor 100 on the railway line 200, while the guide means 50 provides vertical support for the conveyor chain.

Preferably, the conveying chains in the conveying mechanism 20 are side bending chains, that is, in the present embodiment, the first conveying chain 29, the second conveying chain 31, and the third conveying chain 36 are all side bending chains. The frame 10 includes a first frame 11 and a second frame 12. Along conveying mechanism 20's direction of delivery, first frame 11 second frame 12 sets up relatively, conveying mechanism 20 install respectively in first frame 11 on the second frame 12, just first frame 11 with second frame 12 is articulated each other, first frame 11 with the articulated shaft of second frame 12 is along vertical.

It will be appreciated that railway fastener bulk material operations are through straight sections as well as curved sections. In the differential speed conveying device 100 provided in this embodiment, the first frame 11 and the second frame 12 are hinged to each other, and the conveying chains are all side bending chains, so that the whole device can perform a certain bending deflection. Therefore, under the guidance of the guide device 50, the device can transversely deviate along with the track line in the operation of a curve section, the relative position deviation of the device and a sleeper bolt is ensured to be in a controllable range, and the automatic fixed-point railway fastener of a subsequent device is convenient to install. When the offset is large, the condition that the device blocks the railway line sleeper bolt can be avoided, and the requirement of curve section operation can be met.

Specifically, in this embodiment, the guiding device 50 employs a non-powered wheel pair, and travels along the railway line along with the bulk material car for railway fasteners during operation. The conveying chain is a standard pitch lateral bending chain and is provided with a K-shaped attached plate.

Preferably, the guide device 50 is disposed at an end of each of the first frame 11 and the second frame 12, so as to better ensure stable traveling.

Preferably, the guiding device 50 includes a wheel seat 51, a guiding wheel pair 52, and a connecting frame 53, the guiding wheel pair 52 is rotatably disposed on the wheel seat 51, and the connecting frame 53 connects the wheel seat 51 with the machine frame 10.

Preferably, the first frame 11 includes a first frame body 111 and a first frame connecting plate 112, and the first frame connecting plate 112 is connected to the first frame body 111 and is located at a side close to the second frame 12. The second frame 12 includes a second frame body 121 and a second frame connecting plate 122, and the second frame connecting plate 122 is connected to the second frame body 121 and is located at a side close to the first frame 11. The first frame connecting plate 112 is hinged to the second frame connecting plate 122 through a hinge shaft. By the structure, the reliability of the connection between the first frame 11 and the second frame 12 is better guaranteed.

Preferably, in an embodiment, the differential speed conveying device 100 further comprises a tensioning device, the tensioning device is mainly used for tensioning the conveying chain, and ensures that the conveying chain has enough tensioning force, and the tensioning device can be composed of a tensioning seat, a tensioning block, a tensioning bolt and the like.

The number of the fastener boxes 40 arranged on each conveying chain can be determined according to actual requirements. For example, in one embodiment, six fastener cases 40 may be provided on each conveyor chain, and the fastener cases 40 on three conveyor chains may be calculated to ensure that they do not collide with each other during their respective movements.

The differential speed conveying device 100 provided by the embodiment can improve the conveying efficiency and can meet the maintenance operation of the railway fasteners of the existing railway line. And the relative position of the material dispersing position and the railway line is kept unchanged, so that the condition that the sleeper bolt of the curve section operation line is shielded by a device and cannot be automatically installed on the sleeper bolt can be avoided.

The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. A differential conveying device is characterized by comprising a frame, a conveying mechanism and a fastener box;

the first driven chain wheel is sleeved on the second wheel shaft;

the second driven chain wheel is sleeved on the first wheel shaft;

2. The differential conveying apparatus of claim 1 wherein the conveying mechanism further comprises a third wheel axle, a third drive unit, a third drive sprocket, a third driven sprocket, a third conveyor chain;

the third wheel shaft is arranged below the second wheel shaft;

the third driving chain wheel is arranged on the third wheel shaft and can rotate along with the third wheel shaft;

3. The differential delivery device of claim 2, wherein the delivery mechanism further comprises a fourth axle;

the fourth wheel shaft is arranged below the first wheel shaft and is arranged opposite to the third wheel shaft at an interval;

4. The differential speed conveying device according to claim 3, wherein the first driven sprocket is respectively sleeved on the second wheel shaft, the third wheel shaft and the fourth wheel shaft through bearings;

the third driven sprocket is respectively sleeved on the first wheel shaft, the second wheel shaft and the fourth wheel shaft through bearings.

5. The differential conveyor apparatus as claimed in any one of claims 1 to 4 further comprising a guide mounted to the frame for moving the differential conveyor apparatus along a railway line track.

6. The differential conveying device according to claim 5 wherein the conveying chains in the conveying mechanism are both side bending chains;

the machine frame comprises a first machine frame and a second machine frame; the conveying mechanism is installed on the first frame and the second frame respectively, the first frame is hinged to the second frame, and the hinge shaft of the first frame and the hinge shaft of the second frame are vertical.

7. The differential transport device of claim 6 wherein the first frame includes a first frame body, a first frame connecting plate connected to the first frame body and located adjacent to one side of the second frame;

8. The differential conveying apparatus according to claim 6 wherein the ends of the first frame and the second frame are each provided with the guide means.

9. A differential transmission according to claim 8 wherein the guide means comprises a wheel base, a pair of guide wheels, a connecting bracket;

the guide wheel pair is rotatably arranged on the wheel seat;

the connecting frame connects the wheel seat with the frame.