Large-span gantry type material distributing machine
By designing a large-span gantry concrete placing boom and adopting a mixing device, a screw feeding device, and a traveling trolley, the problem of low accuracy of existing concrete placing booms has been solved, achieving efficient and precise concrete placing, thereby improving construction efficiency and corporate benefits.
Patent Information
- Application Number
- CN202423256900.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-29
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-29
AI Technical Summary
Existing concrete placing booms suffer from problems such as low placement accuracy, bulkiness, and inflexible operation, making it difficult to meet the high-efficiency placement requirements of precast concrete components.
Design a large-span gantry concrete placing boom equipped with a mixing device, a screw conveyor, and a traveling trolley to achieve concrete mixing, uniform conveying, and precise placement. It is also equipped with an emergency unloading device to deal with equipment failure.
It improved the accuracy and efficiency of concrete placement, reduced labor intensity, and increased construction speed and corporate profits.
Smart Images
Figure CN223849571U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of fabricated building, especially a large-span gantry type distributing machine. BACKGROUND
[0002] With the advancement of building industrialization, prefabricated building wallboards have been widely used. Prefabricated concrete (PC) components are finished concrete pieces formed through factory production. They can be pre-produced in factories or on site, mainly including various types such as external wallboards, internal wallboards, laminated boards, balconies, air conditioning boards, staircases, prefabricated beams, and prefabricated columns.
[0003] In the production process of concrete prefabricated components, a concrete distributing machine is usually used for distribution, and a paving type concrete distributing machine is generally adopted. However, the paving type concrete distributing machine has the problems of low distribution accuracy, bulkiness, inflexible distribution action, and difficulty in operation. Therefore, how to design a distributing machine that is convenient to operate and efficient has become an engineering problem that needs to be solved in the industry. SUMMARY
[0004] The utility model aims at providing a large-span gantry type distributing machine. First, the mixing device is used to mix the concrete in the distributing device to prevent the slurry from setting. Second, the spiral feeding device uniformly delivers the concrete to the discharge port. Finally, the walking car is used to spread the pre-mixed concrete on the designated work surface to achieve the distribution of the concrete.
[0005] The utility model achieves the above-mentioned purposes through the following technical solutions:
[0006] A large-span gantry type distributing machine includes a distributing device, a walking car, a mixing device, a spiral feeding device, and an emergency unloading device.
[0007] The distributing device includes a distributing hopper, a feed inlet, an upper frame, and a lifting device. The distributing hopper is welded by side plates and is used to store the concrete delivered by the torpedo tank. It is fixedly connected to the upper frame, and the upper frame is provided with a feed inlet with a grid plate in the middle. The lifting device includes a first hydraulic cylinder and a guide assembly. One end of the first hydraulic cylinder is hingedly connected to the distributing hopper through a support, and the other end is hingedly connected to the upper frame. There are four groups of first hydraulic cylinders arrayed on both sides of the distributing hopper. The guide assembly includes a guide seat and a height adjustment plate. The guide seat is fixedly connected to the upper frame, and the height adjustment plate is fixedly connected to the distributing hopper. There are two groups of guide assemblies symmetrically distributed on the front and rear sides of the distributing hopper.
[0008] The walking trolley comprises a walking chassis, a first driving device, a first transmission shaft and walking wheels; the walking chassis is fixedly connected with the distributing device in a frame structure; a weighing sensor is arranged between the walking chassis and the distributing device to measure the weight of the conveyed concrete; the walking wheels are fixedly connected with the anti-collision rubber on both sides of the beam of the walking chassis to play a buffering role; the first driving device provides power for the walking wheels through the first transmission shaft to control the walking trolley to move longitudinally on the guide rail of the gantry.
[0009] The stirring device comprises a second driving device, a stirring shaft and stirring blades. The stirring device is installed below the distributing hopper; the second driving device drives the stirring shaft to rotate; and a plurality of groups of stirring blades are fixedly connected to the stirring shaft. When working, the stirring device is started to stir the concrete in the distributing device to prevent the slurry from setting.
[0010] The spiral feeding device comprises a third driving device, a second transmission shaft, spiral blades and a discharge port. The spiral feeding device has 10 groups of arrays distributed below the distributing hopper; the third driving device is fixedly connected with the second transmission shaft to provide power for the second transmission shaft; and the spiral blades are distributed on the second transmission shaft. The discharge port comprises a second hydraulic cylinder, an arm plate and a gate. One end of the second hydraulic cylinder is hingedly connected with the distributing hopper, and the other end is hingedly connected with the arm plate; the arm plate is fixedly connected with the gate. When the third driving device drives the second transmission shaft to rotate, the spiral blades convey the concrete to the discharge port.
[0011] The emergency unloading device comprises a third hydraulic cylinder, a bottom plate and a lock. One end of the third hydraulic cylinder is hingedly connected with the distributing hopper, and the other end is hingedly connected with the bottom plate; the third hydraulic cylinder has two groups of arrays distributed on both sides of the distributing hopper; the bottom plate is hingedly connected with the bottom end of the distributing hopper; and the lock has two groups of arrays installed on both sides of the bottom plate, and the two ends of the lock are fixedly connected with the bottom plate and the distributing hopper, respectively. The purpose of the emergency unloading device is to enable emergency unloading when equipment failure occurs.
[0012] Compared with the prior art, the utility model has the advantages of:
[0013] 1. The large-span gantry distributing machine is provided with high-speed and stable stirring devices and spiral conveying devices, can quickly and continuously perform the distributing operation, reduces the working strength, greatly improves the construction speed and working efficiency, reduces the production cost, and improves the enterprise benefit.
[0014] 2. The large-span gantry distributing machine has a plurality of weighing sensors arrayed on the surface of the distributing hopper, can realize the accurate weighing of the concrete slurry, and the lifting device changes the discharging height of the distributing hopper to meet the processing of different types of prefabricated concrete members. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1It is one of a large span gantry type distribution machine structure schematic diagram.
[0016] Figure 2 It is two of a large span gantry type distribution machine structure schematic diagram.
[0017] Figure 3 It is three of a large span gantry type distribution machine structure schematic diagram.
[0018] Figure 4 It is four of a large span gantry type distribution machine structure schematic diagram.
[0019] Figure 5 It is one of a large span gantry type distribution machine structure partial schematic diagram.
[0020] Figure 6 It is five of a large span gantry type distribution machine structure schematic diagram. DETAILED DESCRIPTION
[0021] The technical scheme of the utility model is further explained below by the accompanying Figures 1 to 6 and examples.
[0022] By comparison Figure 1 , the large span gantry type distribution machine comprises a distribution device 1, a travelling car 2, a stirring device 3, a spiral feeding device 4 and an emergency unloading device 5.
[0023] By comparison Figure 1 , Figure 2 , Figure 3 , Figure 4 , the distribution device 1 comprises a distribution hopper 6, a feeding port 7, an upper frame 8 and a lifting device 9. The distribution hopper 6 is welded by side plates and is used for storing concrete conveyed by a torpedo tank, and is fixedly connected with the upper frame 8. The upper frame 8 is provided with the feeding port 7 with a grid plate in the middle. The lifting device 9 comprises a first hydraulic cylinder 10 and a guide assembly 11. One end of the first hydraulic cylinder 10 is hingedly connected with the distribution hopper 6 through a first rotary pair 36, and the other end is hingedly connected with the upper frame 8 through a second rotary pair 37. The first hydraulic cylinder 10 has four groups of arrays distributed on both sides of the distribution hopper 6.
[0024] By comparison Figure 2 , Figure 3 , Figure 4 , the guide assembly 11 comprises a guide seat 12 and a height adjusting plate 13. The guide seat 12 is fixedly connected with the upper frame 8, and the height adjusting plate 13 is fixedly connected with the distribution hopper 6. The guide assembly 11 has two groups of symmetrical distribution on both sides of the distribution hopper 6. The lifting device 9 changes the discharging height of the bottom of the distribution hopper 6 through the first hydraulic cylinder 10 to meet the processing of different types of pc components, and the guide assembly 11 fixes the discharging height of the distribution hopper 6 through the pin shaft 14.
[0025] Contrast Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 The walking carriage 2 includes a walking chassis 15, a first driving device 16, a first transmission shaft 17, and walking wheels 18. The walking chassis 15 is fixedly connected with the material distributing device 1 in a frame structure, and a weighing sensor 19 is arranged between the walking chassis 15 and the material distributing device 1 to measure the weight of the conveyed concrete. The walking wheels 18 are installed on the crossbeam 20 of the walking chassis 15, and anti-collision rubbers 21 are fixedly connected on both sides of the walking wheels 18 to play a buffering role. The first driving device provides power for the walking wheels through the first transmission shaft to control the walking carriage 2 to move longitudinally on the guide rail 38 of the portal frame 35.
[0026] Contrast Figure 1 , Figure 2 , Figure 5 The stirring device 3 includes a second driving device 22, a stirring shaft 23, and stirring blades 24. The stirring device 3 is installed below the material hopper 6. The second driving device 22 drives the stirring shaft 23 to rotate, and the stirring shaft 23 is fixedly connected with a plurality of groups of stirring blades 24. When working, the stirring device 3 is started to stir the concrete in the material distributing device 1 to prevent the slurry from setting.
[0027] Contrast Figure 1 , Figure 2 , Figure 4 , Figure 5 The screw feeding device 4 includes a third driving device 25, a second transmission shaft 26, screw blades 27, and a discharge port 28. The screw feeding device 4 has a total of 10 groups of array distribution below the material hopper 6. The third driving device 25 is fixedly connected with the second transmission shaft 26 to provide power for the second transmission shaft 26. The screw blades 27 are distributed on the second transmission shaft 26. The discharge port 28 includes a second hydraulic cylinder 29, an arm plate 30, and a gate 31. One end of the second hydraulic cylinder 29 is hingedly connected with the material hopper 6 through a third rotary pair 39, and the other end is hingedly connected with the arm plate 30 through a fourth rotary pair 40. The arm plate 30 is fixedly connected with the gate 31. When the third driving device 25 drives the second transmission shaft 26 to rotate, the screw blades 27 convey the concrete to the discharge port 28.
[0028] Contrast Figure 1 , Figure 2 , Figure 3The emergency unloading device 5 includes a third hydraulic cylinder 32, a bottom plate 33, and a lock 34. One end of the third hydraulic cylinder 32 is hinged to the distribution hopper 6 through a fifth rotary pair 41, and the other end is hinged to the bottom plate 33 through a sixth rotary pair 42. The third hydraulic cylinder 32 has two groups of arrays distributed on both sides of the distribution hopper 6. The bottom plate 33 is hinged to the bottom end of the distribution hopper 6 through a seventh rotary pair 43, an eighth rotary pair 44, and a ninth rotary pair 45. The lock 34 is installed on both sides of the bottom plate 33, and the two ends of the lock 34 are fixedly connected with the bottom plate 33 and the distribution hopper 6, respectively. The purpose of the emergency unloading device 5 is to enable emergency unloading when the equipment fails.
[0029] Control Figure 1 、 Figure 2 、 Figure 6 The large-span gantry type distribution machine operates on the production line in the following specific operation mode.
[0030] During operation, the mixed concrete slurry is conveyed from the torpedo tank to the feeding port 7 of the distribution device 1, and the stirring device 3 is started to stir the concrete in the distribution device 1 to prevent the slurry from setting. The walking car 2 moves longitudinally on the guide rail 38 of the gantry 35, and then the spiral feeding device 4 uniformly feeds the concrete to the discharge port 28. The discharge port 28 is opened by the hydraulic cylinder, and the concrete slurry is accurately poured into the mold on each precast concrete member mold table. Through the movement of the gantry 35, multiple production lines are processed, thereby achieving the effect of low labor intensity and high efficiency.
[0031] In addition to the technical features described in the specification, they are known to those skilled in the art and technology.
Claims
1. A long span gantry spreader, characterized in that: The device comprises a distributing device, a walking trolley, a stirring device, a spiral feeding device and an emergency unloading device. The distributing device comprises a distributing hopper, an inlet, an upper frame and a lifting device. The distributing hopper is welded by side plates and is used for storing the concrete conveyed by the torpedo tank. The distributing hopper is fixedly connected with the upper frame. The upper frame is provided with an inlet with a grid plate in the middle. The lifting device comprises a first hydraulic cylinder and a guide assembly. One end of the first hydraulic cylinder is hingedly connected with the distributing hopper through a support, and the other end is hingedly connected with the upper frame. The first hydraulic cylinder is arranged in four groups on both sides of the distributing hopper. The guide assembly comprises a guide seat and a height adjusting plate. The guide seat is fixedly connected with the upper frame, and the height adjusting plate is fixedly connected with the distributing hopper. The guide assembly is arranged in two groups symmetrically on both sides of the distributing hopper.
2. The large-span gantry distributing machine according to claim 1, characterized in that: The walking trolley comprises a walking chassis, a first driving device, a first transmission shaft and walking wheels. The walking chassis is in a frame structure and is fixedly connected with the distributing device. A weighing sensor is arranged between the walking chassis and the distributing device to measure the weight of the conveyed concrete. Walking wheels are arranged on the beam of the walking chassis. The walking wheels are fixedly connected with anti-collision rubber on both sides to play a buffering role. The first driving device provides power for the walking wheels through the first transmission shaft to control the longitudinal movement of the walking trolley on the guide rail of the gantry.
3. A large-span gantry-type distribution machine according to claim 1, characterized in that: The stirring device comprises a second driving device, a stirring shaft and stirring blades. The stirring device is arranged below the distributing hopper. The second driving device drives the stirring shaft to rotate. A plurality of stirring blades are fixedly connected with the stirring shaft.
4. A large-span gantry-type distribution machine according to claim 1, characterized in that: The spiral feeding device comprises a third driving device, a second transmission shaft, spiral blades and an outlet. The spiral feeding device is arranged in 10 groups below the distributing hopper. The third driving device is fixedly connected with the second transmission shaft to provide power for the second transmission shaft. The spiral blades are arranged on the second transmission shaft. The outlet comprises a second hydraulic cylinder, an arm plate and a gate. One end of the second hydraulic cylinder is hingedly connected with the distributing hopper, and the other end is hingedly connected with the arm plate. The arm plate is fixedly connected with the gate. When the third driving device drives the second transmission shaft to rotate, the spiral blades convey the concrete to the outlet.
5. A large-span gantry-type distribution machine according to claim 1, characterized in that: The emergency unloading device comprises a third hydraulic cylinder, a bottom plate and a lock. One end of the third hydraulic cylinder is hingedly connected with the distributing hopper, and the other end is hingedly connected with the bottom plate. The third hydraulic cylinder is arranged in two groups on both sides of the distributing hopper. The bottom plate is hingedly connected with the bottom end of the distributing hopper. The lock is arranged in two groups on both sides of the bottom plate. The two ends of the lock are fixedly connected with the bottom plate and the distributing hopper, respectively.