CN113636276A

CN113636276A - Wheel type chain supporting device and scraper conveyor

Info

Publication number: CN113636276A
Application number: CN202010389278.8A
Authority: CN
Inventors: 王建利
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-10
Filing date: 2020-05-10
Publication date: 2021-11-12

Abstract

The invention provides a wheel type chain supporting device and a scraper conveyor. The wheel type chain supporting device comprises a first connecting block, a second connecting block and a supporting wheel; the first connecting block and the second connecting block are connected with a chain flat ring between two adjacent scraping plates into a whole, and the chain flat ring is positioned in a chain groove of the connecting blocks during installation, so that the positions of the connecting blocks and the chain are relatively fixed; the supporting wheel is arranged at a reserved mounting position of the connecting block, and the wheel type chain supporting device and the chain connected to the wheel type chain supporting device are lifted up and separated from the chute through the supporting wheel.

Description

Wheel type chain supporting device and scraper conveyor

Technical Field

The invention relates to the technical field of scraper conveyors with chains as transmission forms, in particular to a wheel type chain supporting device and a scraper conveyor comprising the same.

Background

Scraper conveyor accomplishes the transport machinery that material was carried through scraper chain cyclic motion as one kind, because the mutual friction of scraper chain, chute and material, especially collision, the friction of chain and chute cause the excessive wearing and tearing of chute and chain in scraper conveyor's use, lead to the regional recess that is formed by wearing and tearing in the chain below of chute, along with constantly deepening of recess, will directly influence the life of scraper conveyor chute, cause the economic loss of heaviness.

Disclosure of Invention

The invention aims to provide a wheel type chain supporting device and a scraper conveyor using the same, wherein a chain is lifted by the wheel type supporting device to realize separation from a chute.

The technical scheme disclosed by the invention is as follows: the wheel type chain supporting device comprises a first connecting block 11, a second connecting block 12 and a supporting wheel 13; the first connecting block 11 and the second connecting block 12 are integrally connected with a chain flat ring 31 positioned between two adjacent scraping plates 2, and the chain flat ring is positioned in a chain groove 32 of the connecting block during installation, so that the positions of the connecting block and the chain are relatively fixed; the supporting wheel 13 is arranged on a reserved mounting position of the connecting block, and the wheel type chain supporting device and the chain connected with the wheel type chain supporting device are lifted up and separated from the chute through the supporting wheel 13. One or more wheeled chain supporting devices are arranged between the scrapers according to the difference of the distance between the two adjacent scrapers. Bosses 34 are arranged at two ends of the second connecting block 12, the bosses 34 of the second connecting block 12 are arranged in grooves at corresponding positions of the first connecting block 11, and arc-shaped grooves 35 are formed in contact areas of the first connecting block 11 and the second connecting block 12 and the chain vertical rings.

The invention has the beneficial effects that: the friction form between the scraper and the chute is changed from sliding friction to rolling friction through the wheel type chain supporting device, so that the abrasion of the chain and the chute is reduced, and the service life of the equipment is prolonged; and the wheel type chain supporting device is additionally arranged between the scrapers, so that the chain is prevented from knotting.

Drawings

Fig. 1 is a schematic view of the installation of a wheeled chain support.

Fig. 2 is a schematic structural view of the wheel chain support device in the first embodiment.

Figure 3 is an exploded view of the wheeled chain support of the first embodiment.

Fig. 4 is a sectional view a-a in fig. 2.

Fig. 5 is a sectional view B-B in fig. 2.

Fig. 6 is a schematic structural view of a wheeled chain support device in a second embodiment.

Figure 7 is an exploded view of a second embodiment of a wheeled chain support.

Figure 8 is a schematic structural view of a wheel chain support device in a third embodiment.

Figure 9 is an exploded view of a third embodiment of a wheeled chain support.

Fig. 10 is a schematic structural view of a wheel chain support device in a fourth embodiment.

Figure 11 is an exploded view of a fourth embodiment of a wheeled chain support.

Fig. 12 is an exploded view of a modified example of the wheel chain support device in the second embodiment.

Fig. 13 is a schematic structural view of the support wheel.

In the figure: the wheel type chain supporting device 1, the scraper 2, the chain 3, the first connecting block 11, the second connecting block 12, the supporting wheel 13, the chain flat ring 31, the chain groove 32, the wheel shaft 33, the boss 34, the arc-shaped groove 35, the nut 111, the bolt 112, the washer 113, the split pin 114, the bolt 115 for hinging holes, the elastic retainer ring 116 for shafts, the elastic cylindrical pin 117 and the step pin 118.

Detailed Description

The invention relates to a wheel type chain supporting device and a scraper conveyor using the same, and provides a plurality of embodiments, wherein the embodiments of the invention are described below with reference to the accompanying drawings.

As shown in fig. 1, the wheel-type chain support device 1 is installed between two adjacent scrapers 2 and is connected and fixed with the chain flat ring 31, and one or more wheel-type chain support devices 1 can be arranged between the scrapers 2 according to the difference of the distance between the two adjacent scrapers 2, so as to realize the purpose of supporting the chain 3 away from the chute.

As shown in fig. 2 and 3, the wheel type chain supporting device comprises a first connecting block 11, a second connecting block 12 and a supporting wheel 13; the first connecting block 11, the second connecting block 12 and the chain flat ring 31 are connected and fastened together through nuts 111 and bolts 112, and the chain flat ring is positioned in a chain groove 32 of the connecting block during installation, so that the positions of the connecting block and the chain are relatively fixed; the supporting wheel 13 is arranged on a wheel shaft 33 reserved on the second connecting block 12 and is fixed through a gasket 113 and a cotter pin 114. Preferably, the first connecting block 11 and the second connecting block 12 are connected by using three bolts 112, the three bolt holes are arranged in the middle of the connecting block and on the outer side of the flat chain ring, and the mounting positions of the bolt head and the nut 111 of the connecting block are grooved or countersunk so that the bolts 112 and the nut 111 do not protrude out of the connecting block after being mounted.

As shown in the sectional view a-a of fig. 4, it is preferable that bosses 34 are provided at both ends of the second connector block, and the bosses 34 are placed in the grooves of the first connector block 11 during installation to increase the connection strength in the horizontal direction.

As shown in the cross-sectional view B-B of fig. 5, the connecting block preferably has an arcuate slot in the area of contact with the chain eyes to allow the wheel chain support to rotate in both horizontal and vertical directions relative to the chain eyes.

In the second embodiment shown in fig. 6 and 7, the first connecting block 11 and the second connecting block 12 are connected into a whole through the nut 111 and the screw on the second connecting block 12, and the chain flat ring is fixed in the chain groove on the connecting block. And the screw on the second connecting block 12 is positioned at the center of the two flat rings, and the screw passes through the inner hole of the flat ring during installation. The mounting positions of the first connecting block 11 and the second connecting block 12 on the chain, and the positions and functions of the boss 34 and the groove are the same as those in the first embodiment, and the description is not repeated. Two ends of the second connecting block 12 are drilled with screw holes, and the supporting wheel 13 is fixed on the second connecting block 12 through a bolt 115 for reaming holes. The bolt for the hinge hole which plays the role of the movable wheel shaft can be replaced by a common bolt and a shaft sleeve or other pin shaft forms which can also play the roles of positioning and fixing the supporting wheel.

In a third embodiment shown in fig. 8 and 9, the first connecting block 11 and the second connecting block 12 have a boss 34 and a groove structure as in the first embodiment, and a horizontal through hole is drilled in the overlapping area of the boss and the groove, and the first connecting block 11 and the second connecting block 12 are connected into a whole by an elastic cylindrical pin 117 penetrating through the through hole and fix a chain flat ring in a chain groove on the connecting block. The supporting wheel 13 is arranged on a wheel shaft 33 on the second connecting block 12, the wheel shaft 33 is provided with a ring groove for installing a shaft elastic check ring 116, and the supporting wheel 13 is fixed on the second connecting block 12 through the shaft elastic check ring 116. The elastic cylindrical pin 117 may be replaced by other connecting pins commonly used in the art, including transition fit, interference fit optical pin or split pin.

As shown in fig. 10 and fig. 11, in the fourth embodiment, the wheel type chain supporting device of this embodiment is a structure for supporting a single chain, and is suitable for the situation that the distance between two chains is too large and is not suitable for integration in a single chain scraper conveyor or a double chain scraper conveyor, the connecting block two 12 is provided with dovetail grooves which are not completely penetrated, the connecting block one 11 is provided with a dovetail groove with a corresponding shape, when the wheel type chain supporting device is installed, the chain is placed in the chain groove 32 of the connecting block two 12 in a flat ring manner, the connecting block one 11 is slid into the dovetail groove corresponding to the connecting block two 12, and the connecting block is fixed by passing through a vertical hole penetrating through the connecting block one 11 and the connecting block two 12 through an elastic cylindrical pin 117. Meanwhile, the dovetail grooves are not completely communicated, and extra horizontal supporting force can be added to the first connecting block 11 and the second connecting block 12 through the dovetail groove blocking plates. The dovetail groove can adopt other forms of grooves such as T-shaped grooves and the like, and the supporting wheel mounting form adopts the embodiment of the third embodiment or the mounting form of other embodiments, and the description is not repeated. Meanwhile, the installation positions of a group of chain flat rings can be reduced by other embodiments according to the embodiment, and the structure mode suitable for a single chain is changed.

As shown in fig. 12, the wheel-type chain supporting device is a modification of the second embodiment, the first connecting block 11 and the second connecting block 12 have the same structure and are collectively referred to as a connecting block, the left end of the connecting block has a boss 34 and a bolt hole, the other end of the connecting block has a stud, a groove and two vertical pin holes, one of the pin holes is a supporting wheel mounting shaft hole, and the other pin hole is an elastic cylindrical pin hole. The two connecting blocks are fixed together with the chain flat ring through nuts, and the supporting wheel is fixed on the connecting blocks through the step pin 36 and the elastic cylindrical pin. Meanwhile, for other embodiments, the deformation mode is also known, and the first connecting block and the second connecting block are made into the same structure.

The support wheel 13 shown in fig. 13 is preferably a deep groove ball bearing with a double-sided sealing ring, and a layer of wear-resistant non-metallic material is arranged outside the bearing as an outer ring. Sliding bearings or other types of rolling bearings can be selected as the supporting structure of the shaft, a sealing or dustproof structure needs to be added on the supporting wheel for the bearing without the sealing function so as to ensure the normal operation of the bearing, and the outer ring can be made of metal materials instead.

According to the several embodiments mentioned above, various connection forms of the connection blocks and mounting forms of the support wheels are provided, and other various modifications are possible for these solutions, for example, the connection bolt 112 in the first embodiment may be in a form of combining the bolt and the connection block two 12 in the second embodiment, or changing the position of the bolt, or changing the mounting form of the support wheel in the second embodiment into the form of the axle 33 and the elastic collar 116 for the axle in the third embodiment. The above embodiments are not intended to limit the scope of the present invention, and various structural elements in the embodiments given in the present invention may be combined to implement the present invention, and other omissions, substitutions, and changes may be made without departing from the spirit of the present invention. These embodiments and modifications thereof are included in the scope and gist of the present invention, and are included in the invention described in the claims and the equivalent scope thereof.

Claims

1. The wheel type chain supporting device is characterized by comprising a first connecting block, a second connecting block and a supporting wheel; the first connecting block and the second connecting block are fixedly connected with a chain flat ring positioned between two adjacent scraping plates; the supporting wheel is fixedly arranged at a reserved mounting position of the connecting block, and the wheel type chain supporting device and the chain connected to the wheel type chain supporting device are lifted up and separated from the chute through the supporting wheel.

2. The wheel chain support apparatus for a scraper conveyor as claimed in claim 1, wherein the first connecting block and the second connecting block are connected by a bolt and a nut.

3. The wheel chain support device for scraper conveyors of claim 2, wherein the connecting bolts of the first connecting block and the second connecting block are integrated with the second connecting block.

4. The wheel chain support apparatus for a scraper conveyor as claimed in claim 1, wherein the first connecting block and the second connecting block are connected by a pin.

5. The wheeled chain support for scraper conveyors of any one of claims 1 to 4, characterized in that the support wheels are mounted on the connecting blocks by means of axles or movable axles on the connecting blocks.

6. A scraper conveyor, characterized in that it comprises a wheeled chain support according to claim 5.