CN214728399U - Driving and transmission device for conveyor belt type dump truck - Google Patents
Driving and transmission device for conveyor belt type dump truck Download PDFInfo
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- CN214728399U CN214728399U CN202021124916.5U CN202021124916U CN214728399U CN 214728399 U CN214728399 U CN 214728399U CN 202021124916 U CN202021124916 U CN 202021124916U CN 214728399 U CN214728399 U CN 214728399U
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Abstract
A drive and transmission device for a conveyor-type dump truck is characterized in that ribs are fixed on the back of a conveyor belt at intervals transversely, at least two longitudinal beams are fixed on the dump truck, the ribs are supported on the longitudinal beams to form a structure that the conveyor belt drives the ribs to do annular motion and the ribs are supported on the surfaces of the longitudinal beams to slide, a rib support is fixed at a bolt of the conveyor chain, the end of each rib is connected with the rib support, the height of the rib support is adjusted, a neutral layer of the conveyor belt is adjusted to be superposed with a reference circle of a chain wheel, the conveyor chain and the rib support are fixed, so that the neutral layer of the conveyor belt and the reference circle of the chain wheel are adjusted to be superposed, the drive and transmission device has the advantages that the reference circle of the chain wheel is superposed with the neutral layer of the conveyor belt when the conveyor chain does circular motion around the chain wheel, the tensile or compression deformation of the conveyor belt can be reduced as much as possible, the service life of the conveyor belt is prolonged, and the weight of materials is supported by the longitudinal beams completely in the process of conveying the materials by the conveyor belt, the conveying chain only bears the pulling force of the chain wheel, and the service life of the chain wheel conveying chain is prolonged.
Description
Technical Field
The invention relates to the technical field of conveyor-type dumper trucks, in particular to a driving and transmission device for a conveyor-type dumper truck.
Background
Chinese patent 201710580727 discloses the name: the patent of 'a conveyor belt type dump truck without pollution of a conveyor chain' adopts a structure that a guide rail 2 supports a transmission conveyor chain 3, and the transmission conveyor chain 3 is fixedly connected with a rubber track 4, the structure, the rubber track 4 and a reference circle of chain wheel transmission are not coincident, when the rubber track 4 does annular motion, the rubber track 4 can generate stretching or compression phenomenon when doing circular motion around a chain wheel, and the rubber track 4 is easy to damage; in addition, the weight of the material is transmitted to the guide rail through the conveying chain, the conveying chain is also subjected to the weight pressure of the material when being dragged by the chain wheel, and the conveying chain is easy to damage.
Disclosure of Invention
The invention aims to provide a driving and transmission method and a device for a conveyor belt type dump truck, which can reduce the tensile or compression deformation of a conveyor belt as much as possible, improve the stress state of the conveyor belt and prolong the service life of a conveying device.
The solution of the invention is such that:
a side plate on two sides of a carriage body is obliquely arranged to form a shape with a large top and a small bottom, an upper opening and a lower opening are of a through structure, a carriage floor assembly is arranged below the lower opening, a conveyor belt is connected with a conveyor chain, a drive shaft, a chain wheel, the conveyor chain and the conveyor belt on the rear part of the carriage are driven to do annular motion through a drive unit, a rib is transversely arranged on the inner side of the conveyor belt, the end of the rib is fixed with a rib bracket, and the rib bracket is fixed on a side bracket of the conveyor chain; the neutral layer of the conveying belt and the reference circle of the chain wheel are coincided through matched size parameters among the ribs, the rib support and the conveying chain.
The more specific technical scheme also comprises the following steps: the carriage floor assembly is fixed with the carriage body and is positioned on the inner side of the conveying belt, the carriage floor assembly comprises a plurality of cross beams connected with the left and right frames and at least two longitudinal beams connected with the front and rear frames, the cross beams are connected with the longitudinal beams, so that the top surfaces of the longitudinal beams are higher than the top surfaces of the cross beams, the two ends of the cross beams are screwed up through screw holes by bolts and are connected with the frames or the carriage body into a whole, and the heights of the cross beams and the longitudinal beams are adjusted by adjusting the positions of the bolts and the screw holes; the lower ends of the ribs are supported on the top surface of the longitudinal beam, so that when the conveying belt moves in a plane, the conveying belt is supported on the longitudinal beam through the ribs and keeps moving along the straightness of the longitudinal beam.
Further: the adjusting mechanism is as follows: the end of the rib is connected with the rib support in a welding mode, and the height dimension H of the rib support is matched through design, so that the neutral layer of the conveying belt and the reference circle of the chain wheel coincide.
Further: the adjusting mechanism is as follows: the end of the rib support is connected with the rib through bolts and nuts, and the neutral layer of the conveying belt and the reference circle of the chain wheel coincide by matching the heights of the adjusting ribs of adjusting gaskets with different thicknesses.
The invention has the advantages that:
1. the method for adjusting the superposition of the neutral layer of the conveying belt and the reference circle of the chain wheel is adopted for adjustment, so that the reference circle of the chain wheel is superposed with the neutral layer of the conveying belt when the conveying chain moves circularly around the chain wheel, the conveying belt moves around the chain wheel when the chain wheel moves circularly, the length change theory of the neutral layer of the conveying belt is zero, the tensile or compressive deformation of the conveying belt can be reduced as much as possible, and the service life of the conveying belt is prolonged;
2. the conveying belt keeps moving along the straightness of the longitudinal beam at a section supported by the longitudinal beam, the surface of the conveying belt keeps a plane state, and when the conveying belt moves to make circular motion with the chain wheel, the reference circle of the chain wheel is superposed with the neutral layer of the conveying belt, so that the neutral layer of the conveying belt is basically not stretched or compressed in the whole structure, and the service life of the conveying belt is prolonged;
3. in the process of conveying materials by the conveying belt, the weight of the materials is supported by the longitudinal beam, and the conveying chain only bears the tension of the chain wheel and does not bear the weight of the materials, so that the chain wheel conveying chain mechanism runs reliably, and the service life of the chain wheel conveying chain is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a view showing the structure shown in fig. 1, in which the open/close cover 13 is opened for maintenance.
Fig. 3 is a schematic view of the connection of the car body and the car floor assembly.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a schematic view of the support structure of the longitudinal beam 12 and the rib 9.
Fig. 6 is a schematic view of the connection structure of the chain wheel, the conveying chain and the conveying belt.
The parts of the drawings are detailed as follows: 1. sprocket, 2, backup pad, 3, conveying chain, 4, rubber sealing strip, 5, mounting panel, 6, carriage board, 7, baffle, 8, conveyer belt, 9, rib, 10, material, 11, crossbeam, 12, longeron, 13, the lid that opens and shuts, 14, bolt, 15, circular billet, 16, sprocket central line, 17, sprocket reference circle, 18, rib support, 19, the neutral layer of conveyer belt, 20, drive shaft.
Detailed Description
The side plates at the two sides of the carriage body 6 of the utility model are obliquely arranged to form a shape with a big top and a small bottom, the upper opening and the lower opening of the conveying device are of a through structure, a carriage floor assembly is arranged below the lower opening, the conveying belt 8 is connected with the conveying chain 3, the driving shaft, the chain wheel 1, the conveying chain 3 and the conveying belt 8 at the rear part of the carriage are driven to do annular motion by the driving unit, the carriage floor assembly is fixed with the frame or the carriage body 6 and is positioned at the inner side of the conveyer belt 3, the carriage floor assembly comprises a plurality of cross beams 11 connecting the left frame and the right frame and at least two longitudinal beams 12 connecting the front frame and the rear frame, the cross beams 11 are connected with the longitudinal beams 12, so that the top surfaces of the longitudinal beams 12 are higher than the top surfaces of the cross beams 11, two ends of the cross beam 11 are screwed up by bolts through screw holes to be connected with the carriage body 6 into a whole, and the heights of the cross beam 11 and the longitudinal beam 12 are adjusted by adjusting the positions of the bolts and the screw holes; ribs 9 are transversely installed at intervals on the inner side of the conveying belt 8, the lower ends of the ribs 9 are supported on the top surface of the longitudinal beam 12, so that when the conveying belt 8 moves in a plane, the conveying belt 8 is supported on the longitudinal beam 12 through the ribs 9, and the conveying belt 8 keeps moving along the straightness of the longitudinal beam 12; the end of the rib 9 is fixed with a rib support 18, the rib support 18 is fixed on a side support of the conveying chain, and the neutral layer 19 of the conveying belt and the reference circle 17 of the chain wheel are ensured to coincide among the rib 9, the rib support 18 and the conveying chain 3 through matched size parameters.
As shown in fig. 1, 2, 3, 4, 5 and 6, the side plates on two sides of the car body 6 are installed obliquely to form a shape with a large top and a small bottom, the upper opening and the lower opening are through structures, a car floor assembly is installed below the lower opening, the conveyer belt 8 is connected with the conveyer chain 3, the conveyer chain 3 is driven by the chain wheel 1 to drive the conveyer belt 8 to move, the car floor assembly is fixed with the car frame or the car body 6 and is located on the inner side of the conveyer belt 3, the car floor assembly comprises ten cross beams 11 connecting the left and right car frames and three longitudinal beams 12 connecting the front and rear car frames, the cross beams 11 are connected with the longitudinal beams 12, so that the top surfaces of the longitudinal beams 12 are higher than the top surfaces of the cross beams 11; the inner side of the conveyer belt 3 is transversely provided with a rib 9, the lower end of the rib 9 is supported on the top surface of the longitudinal beam 12, so that when the conveyer belt 3 moves, the conveyer belt 3 keeps moving along the straightness of the longitudinal beam 12 by the rib 9 supported on the longitudinal beam 12; a downward-extending elastic sealing strip 4 is arranged at an opening at the lower part of the carriage body 6, the elastic sealing strip 4 is made of rubber sealing strip, the lower end of the elastic sealing strip 4 is contacted with the upper end of the conveying belt 8, and the material 10 in the carriage body 6 is prevented from leaking between the elastic sealing strip 4 and the conveying belt 8; the elastic sealing strip 4 is fixed at the lower end of the mounting plate 5, the upper end of the mounting plate 5 is fixed at the lower opening of the carriage body 6, and the mounting plate 5 is fixed at the outer side of the lower opening of the carriage plate 6.
The two sides of the lower end of the carriage body 6 are provided with the support plates 2 extending downwards, the two ends of the cross beam 11 are screwed down by bolts 14 through screw holes to be connected with the support plates 2 into a whole, the support plates 2 are provided with observation and maintenance windows, the edges of the observation holes are hinged with the opening and closing covers 13, under normal conditions, the opening and closing covers 13 are in a closed state shown in figure 1, when observation and maintenance are needed, the opening and closing covers 13 are opened to a state shown in figure 2, and then the sealing condition of a sealing part can be observed or the elastic sealing strips 4 can be replaced.
The inner side of the conveying belt 8 is transversely provided with a rib 9, the lower end of the rib 9 is supported on the top surface of the longitudinal beam 12, so that when the conveying belt 8 moves in a plane, the rib 9 is supported on the longitudinal beam 12, and the conveying belt 8 keeps moving along the straightness of the longitudinal beam 12; the ends of the ribs 9 are fixed with one end of a rib support 18, and the other end of the rib support 18 is fixed on the conveying chain.
As shown in figures 1, 3, 4 and 5, the carriage floor assembly supports three longitudinal beams 12 on a cross beam 11, and the upper end faces of the longitudinal beams 13 are protruded to form supporting beams, so that the weight of goods supported by a conveying belt is completely pressed on the three longitudinal beams 13, the resistance of the conveying belt to move is reduced by reducing the stress area, and after the longitudinal beams are worn, the longitudinal beams 12 can be replaced independently by detaching the longitudinal beams 12 and separating the longitudinal beams 11. The sliding resistance can be reduced by installing a component with small sliding resistance on the top end surface of the longitudinal beam 12, the longitudinal beam 12 of the embodiment is provided with lubricating nylon, the rib 9 is supported, the mutual distance between the rib 9 and the conveying chain 3 is adjusted through the rib bracket 18, in addition, the relation between the middle layer of the conveying belt and the reference circle needs to be acted on the chain wheel 1, and the conveying chain 3 mainly bears the pulling force (the force parallel to the ground) when being matched with the longitudinal beam 12.
The two ends of the cross beam 11 are screwed by bolts 14 through screw holes and connected with the support plates 2 at the two sides of the carriage body 6 into a whole, and the heights of the cross beam and the longitudinal beam are adjusted by adjusting the positions of the bolts and the screw holes.
The lower extreme linking stop 7 of the carriage body 6 both sides, the installation of baffle 7 is the carriage body 6 with both sides and is in the coplanar state for the conveyer belt is fallen to the material gently, and the end of baffle 7 is circular billet 15, also prevents to damage the conveyer belt of rubber when carrying out sealed at conveyer belt 3 along vertically pressing by circular billet 15, and this way is sealed for the first order protection, and sealed between elastic sealing strip 4 and the conveyer belt is the second grade protection.
The conveyor belt is installed in consideration of the weight of the shipment materials to be transmitted through the longitudinal beams 12 and the cross beams 11 of the support ribs 9 and the surface of the conveyor belt 8 to be maintained in a flat state, and the arrangement of the longitudinal beams and the cross beams is as shown in fig. 1 and 2. The cross beam 11 will be connected to the mounting plate 5 through the gap in the middle of the conveyor chain.
The following two adjusting mechanisms are arranged among the rib 9, the rib support 18 and the conveying chain 3 for adjusting the height:
1. the ends of the ribs 9 are connected to the rib supports 18 by means of screw and nut connections, and the height of the ribs is adjusted by matching adjusting shims of different thicknesses in the joint when the rib supports 18 are connected to the ribs 9, so that the belt neutral layer 19 and the sprocket reference circle 17 coincide.
2. In the embodiment shown in fig. 6, the ends of the ribs 9 are connected with the rib supports 18 by welding, and the neutral layer 19 of the conveyer belt and the reference circle 17 of the chain wheel are coincided by matching the rib supports with different height sizes H.
Claims (4)
1. A drive and transmission device for a conveyor-type dump truck is characterized in that: the side plates on two sides of the carriage body are obliquely arranged to form a shape with a large upper part and a small lower part, the upper opening and the lower opening are of a through structure, a carriage floor assembly is arranged below the lower opening, the conveying belt is connected with the conveying chain, a driving shaft, a chain wheel, the conveying chain and the conveying belt on the rear part of the carriage are driven to do annular motion through the driving unit, ribs are transversely arranged on the inner side of the conveying belt, the ends of the ribs are fixed with rib supports, and the rib supports are fixed on the side surface supports of the conveying chain; the neutral layer of the conveying belt and the reference circle of the chain wheel are coincided through matched size parameters among the ribs, the rib support and the conveying chain.
2. The drive and transmission device for a conveyor-belt dump truck according to claim 1, characterized in that: the carriage floor assembly is fixed with the carriage body and is positioned on the inner side of the conveying belt, the carriage floor assembly comprises a plurality of cross beams connected with the left and right frames and at least two longitudinal beams connected with the front and rear frames, the cross beams are connected with the longitudinal beams, so that the top surfaces of the longitudinal beams are higher than the top surfaces of the cross beams, the two ends of the cross beams are screwed up through screw holes by bolts and are connected with the frames or the carriage body into a whole, and the heights of the cross beams and the longitudinal beams are adjusted by adjusting the positions of the bolts and the screw holes; the lower ends of the ribs are supported on the top surface of the longitudinal beam, so that when the conveying belt moves in a plane, the conveying belt is supported on the longitudinal beam through the ribs and keeps moving along the straightness of the longitudinal beam.
3. The drive and transmission device for a conveyor-belt dump truck according to claim 1, characterized in that: the end of the rib is connected with the rib support in a welding mode, and the height dimension H of the rib support is matched through design, so that the neutral layer of the conveying belt and the reference circle of the chain wheel coincide.
4. The drive and transmission device for a conveyor-belt dump truck according to claim 1, characterized in that: the end of the rib support is connected with the rib through bolts and nuts, and the height of the rib is adjusted by matching with adjusting gaskets with different thicknesses, so that the neutral layer of the conveying belt and the reference circle of the chain wheel coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124916.5U CN214728399U (en) | 2020-06-17 | 2020-06-17 | Driving and transmission device for conveyor belt type dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124916.5U CN214728399U (en) | 2020-06-17 | 2020-06-17 | Driving and transmission device for conveyor belt type dump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214728399U true CN214728399U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021124916.5U Active CN214728399U (en) | 2020-06-17 | 2020-06-17 | Driving and transmission device for conveyor belt type dump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214728399U (en) |
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- 2020-06-17 CN CN202021124916.5U patent/CN214728399U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20220228 Address after: 545001 No. 218, building 3, factory building, block a, No. 19, Chuyang Road, Liudong new area, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: LIUZHOU BOSHIWEI AUTOMOTIVE TECHNOLOGY CO.,LTD. Address before: 545006 Guangxi University of science and technology, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI University OF SCIENCE AND TECHNOLOGY |