Movable length-adjustable large longitudinal slope concrete conveying device

Abstract

The utility model relates to a movable length-adjustable large longitudinal slope concrete conveying device. The problem of large longitudinal slope bottom plate concrete transportation is solved. A plurality of #-shaped structures are connected into a supporting frame through longitudinal large cross rods, and the supporting frame is distributed along the longitudinal slope surface of the rock and is connected with a batholith plane fixing piece through a vertical rod; a plurality of symmetrically-arranged channel steel frameworks are connected with two adjacent upper small cross rods, the adjacent channel steel frameworks are connected through connecting plates and bolts, and the two ends of shafts of a plurality of parallel riding wheels are connected with the symmetrically-arranged channel steel frameworks respectively. The outer side of the upper end of the supporting frame is provided with a shaft seat of a frequency conversion traction roller, the steel channel framework at the lower end of the supporting frame is installed on a horizontal transverse rod, the left end of the horizontal transverse rod is provided with a pressing wheel 1, and the two sides of the right end of the horizontal transverse rod are provided with shaft seats of turnabout rollers. The pressing wheel is located at the break angle of the conveying belt.

Description

Technical Field

[0001] The utility model relates to a normal concrete storage device for large longitudinal slope bottom plates of flood discharge tunnels, troughs and the like. Background Art

[0002] In the construction of water conservancy projects, there are a large number of large hydraulic structures such as spillway tunnels and chutes. The bottom plate has the characteristics of large area, steep slope, normal concrete (slump of 50mm-90mm), etc. For the large longitudinal slope bottom plate, chute is usually used for entering the warehouse. Affected by the normal concrete and the chute angle, it is difficult to meet the concrete pouring needs of the large longitudinal slope bottom plate. There is an urgent need for a simple, lightweight, stable and reliable movable length-adjustable large longitudinal slope concrete transport device. Summary of the invention

[0003] The utility model aims to provide a mobile length-adjustable large longitudinal slope concrete transport device which is simple, light, stable, reliable, easy to transport, disassemble and install.

[0004] The utility model is achieved in this way:

[0005] The movable length-adjustable large longitudinal slope concrete transport device comprises upper and lower small cross bars 12 and left and right vertical bars 14 which form a tic-tac-toe structure through fasteners 15. A plurality of tic-tac-toe structures are connected to form a support frame through longitudinal large cross bars 13 located at the four inner corners thereof. The support frame is distributed along the longitudinal slope of the rock and is connected to the rock foundation surface fixing parts through the vertical bars; a plurality of symmetrically arranged channel steel frames 3 are connected to two adjacent upper small cross bars 12, and the adjacent channel steel frames 3 are connected through connecting plates 6 and bolts, and the two ends of the axes of a plurality of parallel supporting wheels 5 are respectively connected to the symmetrically arranged channel steel frames 3; symmetrical oblique supporting wheel structures are arranged at both ends of the horizontal supporting wheels. A grooved supporting roller 4 is installed on the top of the channel steel frame 3. The shaft seat of the frequency conversion traction roller 1 is arranged on the outer side of the upper end of the support frame. The channel steel frame 3 at the lower end of the support frame is installed on the horizontal cross bar 7. A pressure wheel 16 is installed on the left end of the horizontal cross bar 7, and shaft seats of the redirecting roller 8 are arranged on both sides of the right end. The conveyor belt 9 bypasses the frequency conversion traction roller 1 and the redirecting roller 8 and cooperates with the grooved supporting roller 4 and the parallel supporting roller 5 respectively; the tensioning screw 10 is connected to the shaft seat of the redirecting roller 8, and the tensioning degree of the conveyor belt 9 is adjusted by adjusting the tensioning screw 10. The pressure wheel 16 is located at the corner of the conveyor belt 9.

[0006] The variable frequency traction drum 1 is connected to the traction electric hoist 11 , and the traction electric hoist 11 is connected to the small cross bar 12 .

[0007] The channel steel frame 3 selects a standard section of 6m or 9m, and the standard section is connected by a connecting plate 6 and bolts. During operation, the length of the material transport device is adjusted by increasing or decreasing the number of standard sections to achieve long-distance transportation of 100m.

[0008] The advantages of the utility model are as follows:

[0009] The utility model is simple to manufacture, light in weight, low in cost, can increase or decrease the length of the skeleton according to demand, has a wide range of applications, is safe and reliable in operation, and is easy to transport, disassemble and install. The frequency conversion system of the frequency conversion traction roller 1 is used to automatically adjust the running belt speed of the conveyor belt 9 to ensure that the device can operate safely and controllably when the longitudinal slope reaches 20°. The mobile length-adjustable large longitudinal slope concrete transport device can adjust the power and belt speed of the frequency conversion traction roller 1, the length of the channel steel skeleton 3, the power of the traction electric hoist 11, the height of the support frame and the angle parameters formed according to the actual conditions such as terrain, environment, cross-sectional structure, and transportation needs. It can be widely used for the normal concrete storage of the bottom plates of flood discharge tunnels and troughs. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is the general diagram of the movable length-adjustable large longitudinal slope concrete transport device of the utility model;

[0011] Figure 2 It is a structural diagram of the tic-tac-toe structure of the support frame of the utility model;

[0012] Figure 3 This is the structural diagram of the connecting plate and bolts of the utility model;

[0013] Figure 4 This is the installation structure diagram of the variable frequency traction roller head;

[0014] Figure 5 Installation structure diagram of redirection roller. DETAILED DESCRIPTION

[0015] A movable length-adjustable large longitudinal slope concrete transport device, wherein the upper and lower small cross bars 12 and the left and right vertical bars 14 form a tic-tac-toe structure through fasteners 15, and a plurality of tic-tac-toe structures are connected to form a support frame through the longitudinal large cross bars 13 located at the four inner corners thereof, and the support frame is distributed along the longitudinal slope of the rock and is connected to the rock base surface fixing parts through the vertical bars; a plurality of symmetrically arranged channel steel skeletons 3 are connected to the two adjacent upper small cross bars 12, and the adjacent channel steel skeletons 3 are connected through connecting plates 6 and bolts, and the two ends of the axes of a plurality of parallel supporting wheels 5 are respectively connected to the symmetrically arranged channel steel skeletons 3; symmetrical oblique supporting wheels are arranged at both ends of the horizontal supporting wheel to form a trough-type supporting wheel 4, and the trough-type supporting wheel 4 is installed on the upper side of the channel steel skeleton 3, and a variable The variable frequency traction roller 1 is connected to the variable frequency traction roller head frame 2, the traction roller head frame 2 is a triangular structure, the variable frequency traction roller head frame 2 is connected to the traction electric hoist 11, and the traction electric hoist 11 is connected to the small cross bar 12; the channel steel frame 3 at the lower end of the support frame is installed on the horizontal cross bar 7, a pressure wheel 16 is installed on the left end of the horizontal cross bar 7, and the axle seats of the redirecting roller 8 are arranged on both sides of the right end. The conveyor belt 9 bypasses the variable frequency traction roller 1 and the redirecting roller 8 and cooperates with the grooved supporting roller 4 and the parallel supporting roller 5 respectively; the tensioning screw 10 is connected to the axle seat of the redirecting roller 8, and the tensioning degree of the conveyor belt 9 is adjusted by adjusting the tensioning screw 10, and the pressure wheel 16 is located at the corner of the conveyor belt 9.

[0016] The variable frequency traction drum 1 is connected to the traction electric hoist 11 , and the traction electric hoist 11 is connected to the small cross bar 12 .

[0017] The channel steel frame 3 selects a standard section of 6m or 9m, and the standard section is connected by a connecting plate 6 and bolts. During operation, the length of the material transport device is adjusted by increasing or decreasing the number of standard sections to achieve long-distance transportation of 100m.

[0018] (I) Production of mobile length-adjustable large longitudinal slope concrete transport device

[0019] The frequency conversion traction roller 1, channel steel frame 3, grooved supporting roller 4, parallel supporting roller 5, connecting plate and bolt 6, redirecting roller 8, conveyor belt 9, tensioning screw 10, traction electric hoist 11 and pressure roller 16 are purchased as finished products on the market and then assembled in the processing plant according to the design drawings; the small cross bar 12 of the support frame, the large cross bar 13 of the support frame, the vertical rod 14 of the support frame and the fastener 15 are purchased as finished products on the market using scaffolding steel pipes.

[0020] (II) Installation of movable length-adjustable large longitudinal slope concrete transport device

[0021] Firstly, according to the actual terrain, a support frame system is set up on the bedrock surface using small cross bars 12, large cross bars 13, vertical poles 14, and fasteners 15; the assembled frequency conversion traction roller 1, channel steel frame 3, grooved supporting roller 4, parallel supporting roller 5, connecting plate 6 and bolts, redirecting roller 8, conveyor belt 9, tensioning screw 10, traction electric hoist 11, and pressure wheel 16 are transported to the site and installed on the top of the support frame system using lifting equipment and manual labor according to the design drawings.

[0022] (III) Operation of the movable length-adjustable large longitudinal slope concrete transport device

[0023] After the installation of the movable, length-adjustable, large longitudinal slope concrete transport device is completed, it will be run empty and then tested. Relevant departments will be organized to conduct a joint acceptance, and it will be put into operation after passing the acceptance.

[0024] Concrete is unloaded from the frequency conversion traction roller 1, and is transported to the tail frame 7 of the redirecting roller through the conveyor belt 9, and then unloaded to the working position.

[0025] During operation, concrete is transported by a mobile large longitudinal slope concrete transport system. The frequency conversion system of the frequency conversion traction roller 1 automatically adjusts the running belt speed of the conveyor belt 9, effectively preventing the phenomenon of running away, and ensuring that the device can operate safely and controllably when the longitudinal slope reaches 20°. By increasing or decreasing the number of standard sections of 6m or 9m, the length of the belt is adjusted, thereby increasing or decreasing the length of the skeleton.

[0026] (IV) Disassembly of the movable length-adjustable large longitudinal slope concrete transport device

[0027] First, use the traction electric hoist 11 to fix the variable frequency traction roller 1 to prevent it from sliding down, then disassemble the conveyor belt 9, the pressure wheel 16, loosen the connecting plate 6 and the bolts, and disassemble the tensioning screw 10, the redirection roller 8, the parallel support roller 5, the grooved support roller 4, and the channel steel frame 3 from the tail to the head, and then disassemble the variable frequency traction roller 1 and the traction electric hoist 11, and finally disassemble the fastener 15, the large crossbar 13, the small crossbar 12, and the vertical pole 14. The disassembled equipment and materials are transported to the warehouse for maintenance and reuse.

Claims

1. Mobile length-adjustable large longitudinal slope concrete transport device, characterized in that: The upper and lower small cross bars (12) and the left and right vertical bars (14) form a tic-tac-toe structure through fasteners (15), and a plurality of tic-tac-toe structures are connected to form a support frame through longitudinal large cross bars (13) located at the four inner corners thereof. The support frame is distributed along the longitudinal slope of the rock and is connected to the rock base surface fixing piece through the vertical bars; a plurality of symmetrically arranged channel steel frames (3) are connected to two adjacent upper small cross bars (12), and the adjacent channel steel frames are connected through connecting plates (6) and bolts, and the two ends of the shafts of a plurality of parallel supporting wheels (5) are respectively connected to the symmetrically arranged channel steel frames; symmetrical oblique supporting wheels are arranged at both ends of the horizontal supporting wheel to form a support frame. A trough-type supporting wheel (4) is installed on the top of the channel steel frame. The shaft seat of the variable frequency traction roller (1) is arranged on the outer side of the upper end of the supporting frame. The channel steel frame at the lower end of the supporting frame is installed on the horizontal cross bar (7). A pressure wheel (16) is installed on the left end of the horizontal cross bar. The shaft seats of the redirecting roller (8) are arranged on both sides of the right end. The conveyor belt (9) passes around the variable frequency traction roller and the redirecting roller and cooperates with the trough-type supporting wheel and the parallel supporting wheel respectively. The tensioning screw (10) is connected to the shaft seat of the redirecting roller. The tension of the conveyor belt is adjusted by adjusting the tensioning screw. The pressure wheel is located at the corner of the conveyor belt.

2. According to claim 1, the movable length-adjustable large longitudinal slope concrete transport device is characterized in that: The variable frequency traction drum is connected to a traction electric hoist (11), and the traction electric hoist is connected to a small cross bar.

3. The movable length-adjustable large longitudinal slope concrete transport device according to claim 1 is characterized in that: The channel steel frame is selected to have a standard section of 6m or 9m, and the standard section is connected by connecting plates (6) and bolts.

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