CN107265051B - A stepped conveying device for a conveyor - Google Patents

Abstract

The utility model discloses a stepped conveying device of a conveyor, which consists of a conveying mechanism and a stepped mechanism. The conveying mechanism realizes the conveying function by four chain transmission. The step mechanism enables the upper step plate to be kept in a horizontal state by changing the connection angle of the upper step plate and the lower step plate, and the upper plate surfaces of the upper step plate and the lower step plate can be in a linear plane state. According to the utility model, the connection angle of the upper step plate and the lower step plate can be adjusted according to the inclination angle of the step type conveying device, so that the upper step plate is kept in a horizontal state, and the goods are placed horizontally and lifted in an inclined manner. The device can also realize horizontal step conveying and inclined plane conveying exchange, so that inclined plane conveying is realized, and the device has a dual-purpose function.

Description

A stepped conveying device for a conveyor

technical field

The invention relates to a stepped conveying device of a conveyor, which belongs to the technical field of conveying machinery.

Background technique

When the belt conveyor transports goods on an inclined plane, it is easily affected by the friction factor. If the inclination angle is too large, the goods are easy to roll and fall, resulting in potential safety hazards. At the same time, some special goods such as unsealed liquid products or valuables, The goods are required to be in a horizontal state during the conveying process, and the existing belt conveyor is difficult to meet the conveying requirements. For the elevator in the form of an escalator, multiple sets of steps can be kept horizontal during the inclined surface conveying process, but the inclination angle cannot be adjusted. If the inclined surface conveying inclination angle is changed, the conveying steps will be inclined and the goods cannot be placed horizontally. Chinese utility model patent "Stair-type angle-adjusting oblique conveyor belt" (application number: CN201520910667.5) discloses a stepped-type angle-adjusting oblique conveyor belt, the belt body is a ladder structure, and a fixed angle is set on each step device, the angle adjustment device is set on the side of the belt body. This utility model realizes that the belt body can always maintain multiple horizontal planes according to the angle of the oblique transport, and realizes the ladder type conveying. However, this utility model is equipped with a fixed angle device on each step. The structure is complex, and it can only be transported in steps, not in an inclined plane. When transporting general goods, the goods must be placed on each step, which reduces the efficiency of placing goods. The Chinese invention patent "A Ladder with Interchangeable Ladder and Inclined Plane" (Application No.: CN201410229524.8) discloses a ladder with interchangeable steps and inclined planes, using worm gear and connecting rod mechanism to realize the interchange between steps and inclined planes , but the invention patent cannot realize the function of cargo transportation.

In order to realize the oblique transportation and lifting of goods placed horizontally, improve the conveying quality, and reduce the labor intensity of operators, a stepped conveying device is adopted, which can realize the adjustment of the connection angle between the upper and lower ladder plates according to the inclination angle of the conveying device of the conveyor , so that the upper ladder plate is kept in a horizontal state, so that the goods can be placed horizontally and transported obliquely for lifting. The device can be interchanged between horizontal ladder conveying and inclined plane conveying, realizes inclined plane conveying, and has a dual-purpose function.

Contents of the invention

The stepped conveying device of the conveyor according to the present invention adopts the new conveying device and method, and can adjust the conveying ladder according to the inclination angle of the oblique transport, so that the goods can be kept horizontal on the conveying ladder. The present invention can also realize the interchangeability of stepped conveying and inclined plane conveying, adopts inclined plane conveying for general goods, and has the dual-purpose function of one machine. The labor intensity of operators is reduced, and the production efficiency of transportation is improved.

The technical solution adopted by the present invention to solve the technical problem is: a stepped conveying device of a conveyor, which is composed of a conveying mechanism (1) and a ladder mechanism (2), and is characterized in that: the conveying mechanism (1) adopts 4 chains Transmission, consisting of 1 lower drive sprocket shaft (101), 2 lower outboard drive sprockets (102), 2 lower inboard driven sprockets (103), 1 upper drive sprocket shaft (104), 2 upper outboard The driven sprocket (105), 2 upper inner drive sprockets (106), 2 outer chains (107), 2 inner chains (108); the 2 lower inner driven sprockets (103) pass through The bearing is installed on the lower driving sprocket shaft (101); the two lower outer driving sprockets (102) are respectively fixedly installed on the lower driving sprocket shaft (101); the two upper outer driven sprockets (105) respectively installed on the upper driving sprocket shaft (104) through bearings; the two upper inner driving sprockets (106) are respectively fixedly installed on the upper driving sprocket shaft (104); the two lower outer driving sprockets (102 ) and the two upper outer driven sprockets (105) are respectively connected by two outer chains (107); the two lower inner driven sprockets (103) and the two upper inner drive sprockets (106) are respectively connected by 2 inner chains (108) are connected.

The ladder mechanism (2) includes multiple sets of ladder units, 2 outer guide groove plates (201), and 2 inner guide groove plates (202); each set of ladder units includes 1 upper ladder plate (203), 1 lower Step plate (204), 2 upper step support plates (205), 2 lower step support plates (206), 2 upper step support rollers (207), 2 lower step support rollers (208); The two ends of the two outer guide groove plates (201) and the two inner guide groove plates (202) are respectively installed on the lower drive sprocket shaft (101) and the upper drive sprocket shaft (104) through bearings; The upper step plate (203) and the lower step plate (204) are hinged by a pin; the lower surface of the upper step plate (203) is hinged with the upper ends of the two upper step support plates (205) by a pin; the The middle parts of the two upper ladder support plates (205) are respectively fixedly connected to the outer chain plates of the two inner chains (108); the lower ends of the two upper ladder support plates (205) are respectively supported by pin shafts and the two upper ladder plates The rollers (207) are connected; the two upper step plate support rollers (207) are installed in the guide grooves of the two inner guide groove plates (202) respectively, and the upper step plate support rollers (207) can be mounted on the inner guide groove plate ( 202) to roll in the guide groove; the lower plate surface of the lower stepped plate (204) is hinged with the upper ends of the two lower stepped support plates (206) through pin shafts; the middle parts of the two lower stepped support plates (206) are respectively Fixedly connected to the outer chain plates of the two outer chains (107); the lower ends of the two lower step support plates (206) are respectively connected with the two lower step support rollers (208) through pin shafts; Step plate support roller (208) is installed in the guide groove of 2 outer guide groove plates (201) respectively, and lower step plate support roller (208) can roll in the guide groove of outer guide groove plate (201).

The technical effect of the present invention is that: according to the inclination angle of the oblique transport, the conveying ladders of multiple sets of ladder units can be adjusted to be in a horizontal state at the same time, so as to ensure that the goods are transported horizontally and smoothly, and meet the special requirements that the goods must be placed horizontally during the transport process. It can realize the interchangeability of horizontal stepped conveying and inclined plane conveying, which can meet the inclined plane conveying of general goods, and has a dual-purpose function.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a schematic diagram of the stepped conveying state of the conveyor with part of the stepped unit removed;

Fig. 2 is the schematic diagram of the inclined plane conveying state of the conveyor implemented by the present invention;

Fig. 3 is a schematic diagram of the stepped conveying state (conversion view angle) of the conveyor that removes part of the step unit in the implementation of the present invention;

Fig. 4 is a structural schematic diagram of a stepped conveying device with part of the stepped unit removed;

Fig. 5 is a partially enlarged view of Fig. 4;

Fig. 6 is a top structural schematic diagram of a stepped conveying device with part of the stepped unit removed;

Fig. 7 is A-A sectional view of Fig. 6;

Fig. 8 is the B-B sectional view of Fig. 7;

Fig. 9 is a schematic diagram of a ladder mechanism (a side view of a ladder conveying state) in which one side of the outer plate and the outer guide groove plate are removed;

Figure 10 is a partially enlarged view of Figure 9;

Fig. 11 is a schematic diagram of a ladder mechanism (a side view of an inclined plane conveying state) with the removal of one side outer plate implemented by the present invention;

Fig. 12 is a partially enlarged view of Fig. 11;

Fig. 13 is a schematic structural view of the guide groove plate implemented by the present invention;

In the figure: 1-conveying mechanism, 101-lower driving sprocket shaft, 102-lower outer driving sprocket, 103-lower inner driven sprocket, 104-upper driving sprocket shaft, 105-upper outer driven sprocket, 106- Upper inner drive sprocket, 107-outer chain, 108-inner chain, 2-step mechanism, 201-outer channel plate, 202-inner channel plate, 203-upper step plate, 204-lower step plate, 205-upper Step support plate, 206-lower step support plate, 207-upper step support roller, 208-lower step support roller, 3-walkable frame, 301-support, 302-bottom plate, 303-universal wheel, 4-Luffing mechanism, 401-lower support, 402-electric push rod, 403-upper bracket, 404-side plate.

Detailed ways

As shown in Figure 1, the walkable frame (3) includes 2 supports (301), 1 base plate (302) and 4 universal wheels (303).

As shown in Figure 1, the luffing mechanism (4) includes a lower support (401), an electric push rod (402), an upper support (403), and two side plates (404).

As shown in Fig. 1, Fig. 2 and Fig. 3, the two supports (301) are fixedly mounted on the bottom plate (302), and the lower drive sprocket shaft (101) is supported on the two supports (301) by bearings straddling them. 4 universal wheels (303) are respectively installed on the four corners of the base plate (302) bottom to facilitate the overall movement of the conveyor.

Both ends of the two side plates (404) are respectively connected to the lower driving sprocket shaft (101) and the upper driving sprocket shaft (104) through bearings. The upper support (403) is U-shaped, and is fixedly installed on the upper end faces of the two side plates (404). The lower support (401) is fixedly installed on the base plate (302). The lower end of the electric push rod (402) is hinged to the lower support (401), and the upper end is hinged to the upper bracket (403). The telescopic electric push rod (402) can change the inclination angle of the conveying device (1), thereby changing the conveying height.

As shown in Fig. 4, Fig. 5 and Fig. 6, the conveying mechanism (1) includes 1 lower driving sprocket shaft (101), 2 lower outer driving sprockets (102), 2 lower inner driven sprockets (103) , 1 upper drive sprocket shaft (104), 2 upper outer driven sprockets (105), 2 upper inner drive sprockets (106), 2 outer chains (107), 2 inner chains (108); The lower ends of the 2 outer guide groove plates (201) and the 2 inner guide groove plates (202) are installed on the lower drive sprocket shaft (101) through bearings respectively. The 2 lower inner driven sprockets (103) are mounted on the lower driving sprocket shaft (101) through bearings respectively; the 2 lower outer driving sprockets (102) are respectively fixed and installed on the lower driving sprocket shaft (101) through flat keys ; Bottom drive sprocket shaft (101) rotates and can only drive 2 bottom outside drive sprockets (102) to rotate, and 2 bottom inside driven sprockets (103) do not rotate.

The two upper outer driven sprockets (105) are installed on the upper driving sprocket shaft (104) through bearings respectively; the two upper inner driving sprockets (106) are respectively fixed and installed on the upper driving sprocket shaft (104) through flat keys , the top drive sprocket shaft (104) rotates and only drives 2 top inside drive sprockets (106) to rotate, while 2 top outside driven sprockets (105) do not rotate.

2 lower outer drive sprockets (102) and two upper outer driven sprockets (105) are respectively connected by 2 outer chains (107); 2 lower inner driven sprockets (103) and 2 upper inner driven sprockets The sprockets (106) are connected by 2 inner chains (108) respectively; the conveying device (1) adopts four chain transmissions, and the rotation of the lower drive sprocket shaft (101) will drive the movement of the 2 outer chains (107), and the upper drive sprocket shaft ( 104) rotation drives 2 inner chains (108) to move.

As shown in Figures 5-13, the ladder mechanism (2) includes multiple sets of ladder units, 2 outer guide groove plates (201), 2 inner guide groove plates (202); 2 outer guide groove plates (201) and 2 The two ends of each inner guide groove plate (202) are respectively installed on the lower drive sprocket shaft (101) and the upper drive sprocket shaft (104) by bearings.

Each group of step units includes 1 upper step plate (203), 1 lower step plate (204), 2 upper step support plates (205), 2 lower step support plates (206), 2 upper step support rollers (207), 2 lower step plate support rollers (208); the upper step plate (203) and the lower step plate (204) of each group of step units are hinged by pin shafts; The upper ends of the upper ladder support plates (205) are hinged by pin shafts; the middle parts of the two upper ladder support plates (205) are respectively fixed and welded on the outer chain plates of the two inner chains (108); the two upper ladder support plates (205) The lower ends are respectively connected with the two upper step plate support rollers (207) through pin shafts; the two upper step plate support rollers (207) are respectively installed in the guide grooves of the two inner guide groove plates (202), and the upper step plate support rollers (207) can roll in the guide groove of the inner guide groove plate (202); the rotation of the upper drive sprocket shaft (104) will drive the movement of the two inner chains (108), thereby driving the upper ladder plate (203) and the upper ladder support The upper hinge point of the plate (205) moves with the inner chain (108).

The lower plate surface of the lower step plate (204) is hinged with the upper ends of the two lower step support plates (206) through pin shafts; the middle parts of the two lower step support plates (206) are respectively fixedly welded to the outer chains (107) of the two outer chains (107). On the chain plate; the lower ends of the 2 lower step support plates (206) are respectively connected with the 2 lower step support rollers (208) through pin shafts. 2 lower step plate support rollers (208) are respectively installed in the guide grooves of the two outer guide groove plates (201), and the lower step plate support rollers (208) can roll in the guide grooves of the outer guide groove plates (201); The rotation of the lower drive sprocket shaft (101) will drive the two outer chains (107) to move, thereby driving the hinge point of the lower step plate (204) and the lower step support plate (206) to move with the outer chains (107).

The weight of goods borne by the upper step plate (203) and the lower step plate (204) passes through the upper step support plate (205), the lower step support plate (206) and the upper step support roller (207), the lower step support roller (208 ) are passed to the inner channel plate (202) and the outer channel plate (201) respectively, and the channel plate bears the weight of the goods.

Control the expansion and contraction of the electric push rod (402) to achieve the function of luffing, change the tilt angle of the oblique movement, and realize the change of the conveying height; when the inclination angle of the oblique movement changes, the brake is used to lock the lower driving sprocket shaft (101) and cannot rotate, and the two outer chains (107) cannot move, and the hinge point between the lower step plate (204) and the lower step support plate (206) does not move; control the positive and negative rotation of the upper drive sprocket shaft (104), so that the upper inner drive sprocket (106) rotates and drives The inner chain (108) moves, and the hinge point of the upper step plate (203) and the upper step support plate (205) moves with the inner chain (108), changing the relative angle between the upper step plate (203) and the lower step plate (204) , when adjusting the upper step plate (203) to the horizontal state, the upper drive sprocket shaft (104) cannot be rotated by using a brake to lock. At this time, if the lower driving sprocket shaft (101) and the upper driving sprocket shaft (104) rotate at the same speed at the same time, the upper surface of the upper step plate (203) and the lower step plate (204) of the step unit will be driven to move simultaneously to realize the horizontal step delivery.

When the conveying device is in the state of ladder conveying, the brake is used to lock the lower drive sprocket shaft (101) from rotating, and the upper drive sprocket shaft (104) is controlled to rotate forward, so that the upper inner drive sprocket (106) drives the inner chain (108) to move , the hinge point of the upper step plate (203) and the upper step support plate (205) moves with the inner chain (108), so that the upper plate surface of the upper step plate (203) and the upper plate surface of the lower step plate (204) are 180 During the plane of °, adopt brake locking top drive sprocket axle (104) and can not rotate. At this time, if the lower drive sprocket shaft (101) and the upper drive sprocket shaft (104) rotate at the same speed at the same time, the upper plate surface of the upper stepped plate (203) and the lower stepped plate (204) of the stepped unit will be driven to move simultaneously to realize the inclined plane delivery.

When the conveying device is in the state of conveying on an inclined plane, the brake is used to lock the lower drive sprocket shaft (101) from rotation, and the upper drive sprocket shaft (104) is controlled to reverse, and the inner chain (108) is driven by the upper inner drive sprocket (106) Movement, the hinge point of the upper step plate (203) and the upper step support plate (205) moves with the inner chain (108), changes the relative angle of the upper step plate (203) and the lower step plate (204), and adjusts the upper step plate (203) when to horizontal state, adopt brake to lock the upper drive sprocket axle (104) and can not rotate. At this time, if the lower driving sprocket shaft (101) and the upper driving sprocket shaft (104) rotate at the same speed at the same time, the upper surface of the upper step plate (203) and the lower step plate (204) of the step unit will be driven to move simultaneously to realize the horizontal step delivery.

Claims (1)

1. The utility model provides a stepwise conveyor of conveyer comprises conveying mechanism (1), step mechanism (2) and luffing mechanism (4), its characterized in that: the conveying mechanism (1) comprises 1 lower driving sprocket shaft (101), 2 lower outer driving sprockets (102), 2 lower inner driven sprockets (103), 1 upper driving sprocket shaft (104), 2 upper outer driven sprockets (105), 2 upper inner driving sprockets (106), 2 outer chains (107) and 2 inner chains (108); the 2 lower inner driven chain wheels (103) are respectively arranged on the lower driving chain wheel shaft (101) through bearings; the 2 lower outer driving chain wheels (102) are fixedly arranged on the lower driving chain wheel shafts (101) respectively; the 2 upper outer driven sprockets (105) are respectively arranged on the upper driving sprocket shaft (104) through bearings; the 2 upper inner side driving chain wheels (106) are fixedly arranged on the upper driving chain wheel shafts (104) respectively; the 2 lower outer driving chain wheels (102) and the 2 upper outer driven chain wheels (105) are respectively connected by 2 outer chains (107); the 2 lower inner driven sprockets (103) and the 2 upper inner driving sprockets (106) are respectively connected by 2 inner chains (108);

the step mechanism (2) comprises a plurality of groups of step units, 2 outer side guide groove plates (201) and 2 inner side guide groove plates (202); each group of the ladder units comprises 1 upper ladder plate (203), 1 lower ladder plate (204), 2 upper ladder support plates (205), 2 lower ladder support plates (206), 2 upper ladder plate support rollers (207) and 2 lower ladder plate support rollers (208); two ends of the 2 outer side guide groove plates (201) and the 2 inner side guide groove plates (202) are respectively arranged on the lower driving sprocket shaft (101) and the upper driving sprocket shaft (104) through bearings; the upper step plate (203) and the lower step plate (204) of each group of step units are hinged through pin shafts; the lower plate surface of the upper step plate (203) is hinged with the upper ends of the 2 upper step support plates (205) through pin shafts; the middle parts of the 2 upper step support plates (205) are respectively fixedly connected to outer chain plates of 2 inner side chains (108); the lower ends of the 2 upper step support plates (205) are respectively connected with 2 upper step plate support rollers (207) through pin shafts; the 2 upper step plate supporting rollers (207) are respectively arranged in the guide grooves of the 2 inner side guide groove plates (202), and the upper step plate supporting rollers (207) can roll in the guide grooves of the inner side guide groove plates (202); the lower plate surface of the lower step plate (204) is hinged with the upper ends of the 2 lower step support plates (206) through pin shafts; the middle parts of the 2 lower step support plates (206) are respectively and fixedly connected to outer chain plates of 2 outer chains (107); the lower ends of the 2 lower step support plates (206) are respectively connected with 2 lower step plate support rollers (208) through pin shafts; the 2 lower stepped plate supporting rollers (208) are respectively arranged in the guide grooves of the 2 outer side guide groove plates (201), and the lower stepped plate supporting rollers (208) can roll in the guide grooves of the outer side guide groove plates (201);

the amplitude variation mechanism (4) comprises 1 lower support (401), 1 electric push rod (402), 1 upper support (403) and 2 side plates (404); two ends of the 2 side plates (404) are respectively connected with a lower driving sprocket shaft (101) and an upper driving sprocket shaft (104) through bearings; the upper bracket (403) is fixedly arranged on the upper end surfaces of the 2 side plates (404);

the lower end of the electric push rod (402) is hinged with the lower support (401), and the upper end is hinged with the upper support (403).

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