Concrete conveying device capable of rapidly adjusting and fixing positions of carrier rollers

Abstract

The utility model discloses a concrete conveying device capable of quickly adjusting and fixing the position of a carrier roller, which comprises a support frame body, a plurality of groups of upper carrier roller mechanisms are arranged at the upper part of the support frame body, a plurality of groups of lower carrier roller mechanisms are arranged at the lower part of the support frame body, and the surfaces of the upper carrier roller mechanisms and the lower carrier roller mechanisms are contacted with the surface of a conveying belt. The two sides of the upper carrier roller mechanism are connected with the bottoms of the U-shaped sliding grooves through connecting plates, the U-shaped sliding grooves are in sliding fit with the surfaces of the sliding rails, and the sliding rails are fixed to the supporting frame body through mounting plates. The position of the carrier roller can be rapidly adjusted and fixed so as to meet different requirements of different conveying belt surfaces for the number of the carrier rollers.

Description

Technical Field

[0001] This utility model relates to the field of tower belt conveyor technology, and in particular to a concrete conveying device that can quickly adjust and fix the position of the idler rollers. Background Technology

[0002] The tower crane is a specialized piece of equipment for dam concrete pouring construction. It consists of a cylindrical tower crane and belt conveyors. The main structure of the cylindrical tower crane includes a tower column, support platform, slewing platform, working boom, counterweight boom, and A-frame self-lifting mechanism. The belt conveyors include one aluminum alloy material transfer belt conveyor and two articulated truss conveyors. The material transfer conveyor is installed on the platform formed by the climbing frame. One end of the material transfer conveyor is articulated to the feeding belt conveyor via a drop hopper, and the other end is articulated to the inner conveyor via a drop hopper.

[0003] Concrete needs to be continuously transported via feeding conveyors, inner placing conveyors, and outer placing conveyors to the dam pouring area. During this process, there is a certain height difference between the transition points of the conveyor belts. When transferring material from a higher conveyor belt to a lower conveyor belt, the falling concrete material will cause a certain impact on the conveyor belt. If the lower surface of the corresponding conveyor belt does not have idler rollers for support, the conveyor belt in this area will have a significant indentation, which may lead to damage due to excessive deformation. Therefore, a high number of idler rollers are required in this area. As a result, after the entire concrete conveyor belt system is installed, the number of idler rollers in the corresponding area may be temporarily increased or decreased according to the actual site requirements, which places higher demands on the rapid adjustment and fixing of idler roller positions. Summary of the Invention

[0004] The purpose of this invention is to overcome the above-mentioned shortcomings and provide a concrete conveying device that can quickly adjust and fix the position of the idlers, so as to meet the different requirements of different conveyor belt surfaces for the number of idlers.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a concrete conveying device that can quickly adjust and fix the position of the idler rollers, including a support frame. The upper part of the support frame is provided with multiple sets of upper idler roller mechanisms, and the lower part is provided with multiple sets of lower idler roller mechanisms. The surfaces of the upper and lower idler roller mechanisms are in contact with the surface of the conveyor belt. The two sides of the upper idler roller mechanism are connected to the bottom of the U-shaped chute through connecting plates. The U-shaped chute slides in cooperation with the surface of the slide rail. The slide rail is fixed to the support frame through a mounting plate.

[0006] Preferably, the depth of one side of the U-shaped groove is greater than the depth of the other side.

[0007] Preferably, the U-shaped groove includes a U-shaped plate, one side of which is fixedly connected to an L-shaped plate and the other side is fixedly connected to a straight plate, and the height of the side of the U-shaped plate closer to the L-shaped plate is less than the height of the side closer to the straight plate.

[0008] Preferably, the U-shaped plate is further provided with a spring clip on the side near the L-shaped plate.

[0009] Preferably, the slide rail is an I-beam structure.

[0010] Preferably, the upper roller mechanism comprises a plurality of upper rollers hinged to each other.

[0011] Preferably, each set of upper roller mechanisms includes three upper rollers hinged to each other, with the upper roller in the middle being horizontal and the upper rollers on both sides being inclined.

[0012] Preferably, the lower roller mechanism includes a plurality of lower rollers hinged to each other, and the lower rollers located on both sides are connected to the side of the support frame through lower connectors.

[0013] Preferably, each set of lower roller mechanisms includes two lower rollers hinged to each other, both of which are in an inclined state.

[0014] Preferably, the support frame includes columns on both sides, which are fixedly connected by crossbars.

[0015] Preferably, the surface of the column is also provided with a vertical connecting frame, and two adjacent columns are fixedly connected by a longitudinal bar and the connecting frame.

[0016] Preferably, the connecting frame is a rectangular frame structure.

[0017] Preferably, the upper roller mechanism is hinged to the bottom of the connecting plate on both sides, and the top of the connecting plate is fixedly connected to the bottom of the U-shaped chute.

[0018] Preferably, the top of the slide rail is bolted to the bottom of the mounting plate, and the top of the mounting plate is bolted to the side of the support frame.

[0019] The advantages of this utility model are: This utility model can quickly adjust and fix the position of the idler rollers to meet the different requirements of different conveyor belt surfaces for the number of idler rollers; when it is necessary to adjust the upper idler roller mechanism, the entire upper idler roller mechanism can be lifted upwards, and then the U-shaped chute can be slid along the slide rail to the required position, and then the upper idler roller mechanism can be lowered. Through the action of the upper idler roller mechanism's own gravity, the U-shaped chute and the slide rail will generate a large friction force, thereby fixing the entire upper idler roller mechanism. Attached Figure Description

[0020] Figure 1 A schematic diagram of a concrete conveying device with elastic buffering function;

[0021] Figure 2 for Figure 1 Enlarged schematic diagram of the U-shaped groove and the slide rail in combination. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0023] Example 1: As Figure 1 and 2 As shown, a concrete conveying device with quickly adjustable and fixed idler roller positions includes a support frame 1. The support frame 1 has multiple sets of upper idler roller mechanisms 2 on its upper part and multiple sets of lower idler roller mechanisms 3 on its lower part. The surfaces of the upper idler roller mechanisms 2 and lower idler roller mechanisms 3 are in contact with the surface of the conveyor belt 4. The two sides of the upper idler roller mechanism 2 are connected to the bottom of a U-shaped chute 6 via connecting plates 5. The U-shaped chute 6 slides with the surface of a slide rail 7, and the slide rail 7 is fixed to the support frame 1 via mounting plates 8. In this embodiment, both ends of the conveyor belt 4 are wound around the surface of horizontal rollers. One of the horizontal rollers can be connected to a drive mechanism, thus driving the conveyor belt 4 to rotate. The multiple sets of upper idler roller mechanisms 2 support the conveyor belt 4, preventing it from collapsing due to the pressure of the concrete material. Simultaneously, when the conveyor belt 4 rotates to below the upper idler roller mechanism 2, it can also be supported by the lower idler roller mechanism 3, preventing deformation due to its own weight or damage from scraping against other structural components. In this embodiment, when the upper idler mechanism 2 needs to be adjusted, the entire upper idler mechanism 2 can be lifted upwards, and then the U-shaped chute 6 can be slid along the slide rail 7 to the required position. Then, the upper idler mechanism 2 can be lowered. Due to the weight of the upper idler mechanism 2 itself, the U-shaped chute 6 and the slide rail 7 will generate a large frictional force, thereby fixing the entire upper idler mechanism 2. In addition, it should be noted that the weight of the concrete material on the conveyor belt 4 is mainly supported by the upper idler mechanism 2, while the lower idler mechanism 3 mainly supports the weight of the returning empty conveyor belt 4. Therefore, the position of the lower idler mechanism 3 generally does not need to be adjusted frequently. In this embodiment, only the position of the upper idler mechanism 2 needs to be adjusted and fixed.

[0024] Preferably, the depth of one side of the U-shaped groove 6 is greater than the depth of the other side. With this design, when the entire upper roller mechanism 2 is lifted upward, there will be a gap between the U-shaped groove 6 and the slide rail 7, which allows for quick unlocking and facilitates the sliding of the U-shaped groove 6 on the surface of the slide rail 7.

[0025] Preferably, the U-shaped groove 6 includes a U-shaped plate 6.1, one side of which is fixedly connected to an L-shaped plate 6.2 and the other side is fixedly connected to a straight plate 6.3. The height of the side of the U-shaped plate 6.1 closer to the L-shaped plate 6.2 is less than the height of the side closer to the straight plate 6.3.

[0026] Preferably, the U-shaped plate 6.1 is further provided with a spring clip 6.4 on the side near the L-shaped plate 6.2. With this design, when the upper roller mechanism 2 slides into place and is lowered, the weight of the upper roller mechanism 2 causes the U-shaped groove 6 to generate a large frictional force with the slide rail 7. The elastic force of the spring clip 6.4 can press the area where the L-shaped plate 6.2 contacts the slide rail 7 tightly, further increasing the frictional force and making the position of the entire upper roller mechanism 2 more fixed. Unless the entire upper roller mechanism 2 is lifted upwards, the entire upper roller mechanism 2 will not easily slide on the surface of the slide rail 7.

[0027] Preferably, the slide rail 7 is an I-beam structure.

[0028] Preferably, the upper roller mechanism 2 includes a plurality of upper rollers 2.1 hinged to each other.

[0029] Preferably, each set of upper idler roller mechanism 2 includes three upper idler rollers 2.1 hinged to each other. The upper idler roller 2.1 in the middle is horizontal, and the upper idler rollers 2.1 on both sides are inclined. With this design, the three upper idler rollers 2.1 hinged to each other form this groove structure. When the conveyor belt 4 is subjected to the pressure of concrete material, it will also form a groove shape, which allows the concrete material to be conveyed on the surface of the conveyor belt 4, and it is not easy for it to flow directly from the side of the conveyor belt 4 to the outside.

[0030] Preferably, the upper roller 2.1 includes a central shaft, and the outer side of the central shaft is rotatably connected to the inner side of the roller via a bearing.

[0031] Preferably, the lower roller mechanism 3 includes a plurality of lower rollers 3.1 hinged to each other, and the lower rollers 3.1 located on both sides are connected to the side of the support frame 1 through lower connectors 3.2.

[0032] Preferably, each set of lower roller mechanisms 3 includes two lower rollers 3.1 that are hinged to each other and are both in an inclined state.

[0033] Preferably, the lower support roller 3.1 includes a central shaft, and the outer side of the central shaft is rotatably connected to the inner side of the roller via a bearing.

[0034] Preferably, the support frame 1 includes uprights 1.2 on both sides, and the uprights 1.2 are fixedly connected to each other by crossbars 1.3.

[0035] Preferably, the surface of the column 1.2 is also vertically provided with a connecting frame 1.1, and two adjacent columns 1.2 are fixedly connected by longitudinal bars and connecting frames 1.1. This design facilitates the installation and fixing process of the entire support frame 1.

[0036] Preferably, the connecting frame 1.1 is a rectangular frame structure.

[0037] Preferably, the upper roller mechanism 2 is hinged to the bottom of the connecting plate 5 on both sides, and the top of the connecting plate 5 is fixedly connected to the bottom of the U-shaped chute 6.

[0038] Preferably, the top of the slide rail 7 is bolted to the bottom of the mounting plate 8, and the top of the mounting plate 8 is bolted to the side of the support frame 1.

[0039] The working principle of this embodiment is as follows:

[0040] Both ends of the conveyor belt 4 are wound around the surface of horizontal rollers. One of the horizontal rollers can be connected to the drive mechanism, which can drive the conveyor belt 4 to rotate. Multiple sets of upper idler roller mechanisms 2 play the role of supporting the conveyor belt 4 and preventing the conveyor belt 4 from collapsing due to the pressure of concrete material. In this embodiment, three upper idler rollers 2.1 that are hinged to each other form this groove structure. When the conveyor belt 4 is subjected to the pressure of concrete material, it will also form a groove shape, which allows the concrete material to be transported on the surface of the conveyor belt 4 and will not flow directly from the side of the conveyor belt 4 to the outside. In this embodiment, the conveyor belt above the upper idler roller mechanism 2 is the feeding belt area, and the conveyor belt below the upper idler roller mechanism 2 is the return belt area. When the conveyor belt 4 rotates to the area below the upper idler roller mechanism 2, it can also be supported by the lower idler roller mechanism 3 to prevent it from collapsing due to its own weight and deforming or scraping against other structural components and causing damage. After the entire concrete conveyor belt system is installed, the number of idlers in a given area may be temporarily increased or decreased depending on actual site requirements. This necessitates quick adjustment and fixing of the idler positions (primarily involving the upper idler mechanism 2). When adjusting the upper idler mechanism 2, the entire mechanism can be lifted upwards, allowing the U-shaped chute 6 to slide along the slide rail 7 to the desired position. Then, the upper idler mechanism 2 is lowered. The weight of the upper idler mechanism 2 itself generates significant friction between the U-shaped chute 6 and the slide rail 7, thus fixing the entire upper idler mechanism 2. Specifically, the upper idler mechanism 2 is lifted upwards... When the upper roller mechanism 2 is in place, there will be a gap between the U-shaped groove 6 and the slide rail 7, which allows for quick unlocking and facilitates the sliding of the U-shaped groove 6 on the surface of the slide rail 7. When the upper roller mechanism 2 slides into place and is lowered, the upper roller mechanism 2's own weight causes the U-shaped groove 6 and the slide rail 7 to generate a large frictional force. The elastic force of the spring buckle 6.4 can press the L-shaped plate 6.2 against the area in contact with the slide rail 7, further increasing the frictional force and making the position of the entire upper roller mechanism 2 more fixed. Unless the entire upper roller mechanism 2 is lifted upwards, the entire upper roller mechanism 2 will not easily slide on the surface of the slide rail 7.

[0041] The above embodiments are merely preferred technical solutions of this utility model and should not be considered as limitations on this utility model. The protection scope of this utility model should be the technical solution described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the protection scope of this utility model.

Claims

1. A concrete conveying device capable of quickly adjusting and fixing the position of the roller, comprising a support frame body (1), a plurality of upper roller mechanisms (2) are arranged on the upper part of the support frame body (1), and a plurality of lower roller mechanisms (3) are arranged on the lower part of the support frame body (1), the surfaces of the upper roller mechanisms (2) and the lower roller mechanisms (3) are in contact with the surface of a conveying belt (4), characterized in that: The upper roller mechanism (2) is connected with the bottom of the U-shaped sliding groove (6) through the connecting plate (5) on both sides, the U-shaped sliding groove (6) is in sliding fit with the surface of the sliding rail (7), and the sliding rail (7) is fixed on the support frame body (1) through the mounting plate (8).

2. The concrete delivery apparatus of claim 1, wherein: The depth of one side of the groove of the U-shaped sliding groove (6) is greater than that of the other side.

3. The concrete delivery apparatus of claim 2, wherein: The U-shaped sliding groove (6) comprises a U-shaped plate (6.1), one side of the U-shaped plate (6.1) is fixedly connected with an L-shaped plate (6.2), the other side is fixedly connected with a straight plate (6.3), and the height of one side of the U-shaped plate (6.1) close to the L-shaped plate (6.2) is less than that of the other side close to the straight plate (6.3).

4. The concrete delivery apparatus of claim 3, wherein: The side of the U-shaped plate (6.1) close to the L-shaped plate (6.2) is further provided with a spring buckle (6.4).

5. A concrete delivery apparatus capable of quickly adjusting and fixing the position of a conveyor roller according to any one of claims 1 to 4, characterized in that: The sliding rail (7) is in the shape of an I-beam.

6. The concrete delivery apparatus of claim 1, wherein: The upper roller mechanism (2) comprises a plurality of upper rollers (2.1) hingedly connected with each other.

7. A concrete delivery apparatus capable of quickly adjusting and fixing the position of a roller according to claim 6, characterized in that: Each group of upper roller mechanisms (2) comprises three upper rollers (2.1) hingedly connected with each other, the upper roller (2.1) located in the middle is in a horizontal state, and the upper rollers (2.1) located on both sides are in an inclined state.

8. The concrete delivery apparatus of claim 1, wherein: The lower roller mechanism (3) comprises a plurality of lower rollers (3.1) hingedly connected with each other, and the lower rollers (3.1) located on both sides are connected with the side of the support frame body (1) through a lower connecting piece (3.2).

9. The concrete delivery apparatus of claim 8, wherein: Each group of lower roller mechanisms (3) comprises two lower rollers (3.1) hingedly connected with each other, and both are in an inclined state.

10. The concrete delivery apparatus of claim 1, wherein: The support frame body (1) comprises upright columns (1.2) located on both sides, and the upright columns (1.2) are fixedly connected through cross bars (1.3) between the upright columns (1.2).

11. A concrete delivery apparatus capable of quickly adjusting and fixing the position of a roller according to claim 10, characterized in that: The surface of the upright column (1.2) is further provided with a connecting frame (1.1) vertically, and the two upright columns (1.2) adjacent in front and back are fixedly connected through longitudinal bars and the connecting frames (1.1).

12. The concrete delivery apparatus of claim 11, wherein: The connecting frame (1.1) is in the shape of a rectangular frame body.

13. The concrete delivery apparatus of claim 1, wherein: The upper roller mechanism (2) is hingedly connected with the bottom of the connecting plate (5) on both sides, and the top of the connecting plate (5) is fixedly connected with the bottom of the U-shaped sliding groove (6).

14. The concrete delivery apparatus of claim 1 or 13, wherein: The top of the sliding rail (7) is connected with the bottom side of the mounting plate (8) through bolts, and the top side of the mounting plate (8) is connected with the side of the support frame body (1) through bolts.

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