CN117604917A - Railway precast box girder concrete full Liang Bu all-in-one machine - Google Patents

Abstract

The invention discloses a railway precast box girder concrete full Liang Bu all-in-one machine, which comprises: a support system comprising a rectangular frame and a pair of gantry frames; the lifting system is used for lifting the concrete; the material distribution system comprises a rectangular beam frame and a material distribution vehicle, wherein the beam frame is longitudinally and slidably connected to the frame, and the material distribution vehicle is transversely and slidably connected to the beam frame; the walking steering system is arranged at four corners of the frame. According to the invention, the automatic lifting and automatic material distribution of concrete are realized by arranging the integrated machine integrating material distribution and material feeding, so that the construction efficiency is improved; in the aspect of safety, the automatic steering walking is adopted, the lifting is not needed, and the operation is safe and reliable; in terms of quality, the concrete is lifted, the workability of the concrete is good, the slump is moderate, and the concrete pouring quality is easy to ensure; in the aspect of construction efficiency, automatic material distribution is adopted, the material distribution is accurate, the number of workers is reduced, the labor intensity of the workers is reduced, pumping is not needed, the material distribution efficiency is high, and the risk of pump pipe blockage is avoided.

Description

Railway precast box girder concrete full Liang Bu all-in-one machine

Technical Field

The invention relates to the field of building construction, in particular to a railway precast box girder concrete full Liang Bu all-in-one machine.

Background

The traditional railway beam yard concrete construction adopts a mode of transporting a concrete tank car and manually distributing by a ground pump and three hydraulic rolling and folding type distributing machines.

However, in terms of construction efficiency, the ground pump and the material distribution equipment are lifted by the gantry crane, so that the time consumption is long and the efficiency is low; also, due to the pumping, the material distribution pipe and the pump pipe have blocking risks in high-temperature weather; in addition, the winding and folding type material distributing machine has a material distributing blind area, uneven material distribution, large labor consumption, difficult guarantee of pouring time, influence on construction efficiency and needs to be improved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a railway precast box girder concrete full Liang Bu all-in-one machine which has the effects of automatic lifting, automatic material distribution and high construction efficiency.

The technical aim of the invention is realized by the following technical scheme: all-in-one is sent to railway precast box girder concrete full Liang Bu, includes:

the bracket system comprises a rectangular frame and a pair of portal frames, wherein the pair of portal frames are distributed at two ends of the frame;

the lifting system is arranged on the portal frame and is used for lifting concrete;

the distribution system comprises a rectangular beam frame and a distribution vehicle, wherein the beam frame is longitudinally and slidably connected with the frame, and the distribution vehicle is transversely and slidably connected with the beam frame;

the walking steering system is arranged at four corners of the frame and is used for rotating by 90 degrees.

The present invention may be further configured in a preferred example to: the lifting system comprises a lifting frame, a hopper, a material door and a winch, wherein the lifting frame is fixed at the middle position of the portal frame, the hopper is located below the lifting frame, the material door is arranged at the lower end of the hopper, and the winch is arranged on the lifting frame and used for controlling the hopper to lift.

The present invention may be further configured in a preferred example to: the lifting frame is characterized in that guide rods are vertically and downwards arranged around the lifting frame, guide sleeves for the guide rods to penetrate are arranged on the hopper, the lower ends of the guide rods are arranged in a conical mode, the upper ends of the guide sleeves are arranged in a flaring mode, and meanwhile the lifting frame is horizontally and slidably connected with a pin shaft for being inserted into the upper end of the hopper.

The present invention may be further configured in a preferred example to: the material distribution vehicle comprises a suspension, a material box and a plurality of pneumatic valves, wherein the suspension is transversely connected with the beam frame in a sliding mode, the upper end of the material box is opened and arranged on the suspension, and the pneumatic valves are arranged at the lower end of the material box at intervals.

The present invention may be further configured in a preferred example to: the lower end of the feed box is horizontally and rotatably connected with a stirring shaft.

The present invention may be further configured in a preferred example to: the lower extreme level of workbin rotates and is connected with and is located the planet wheel of (mixing) shaft below, the lower extreme of workbin is the cross-section and is the tube-shape setting, and the lower extreme is the opening setting, the edge position of planet wheel is contradicted the workbin inside wall to the edge position of two adjacent planet wheels with the workbin inner wall forms storage chamber.

The present invention may be further configured in a preferred example to: the workbin is vertically connected with the suspension in a sliding mode, and driving mechanisms for controlling the workbin to vertically move are arranged on two sides of the suspension.

The present invention may be further configured in a preferred example to: the driving mechanism comprises a fixing plate, a hydraulic cylinder, a connecting piece and a pair of chains, wherein the fixing plate is horizontally arranged on the suspension and distributed on two sides of the feed box, the hydraulic cylinder is horizontally arranged on the fixing plate, the connecting piece is arranged at the telescopic end of the hydraulic cylinder, one end of the pair of chains is fixed to the connecting piece, the other end of the chains is fixed to two ends of the feed box, and meanwhile, guide wheels are arranged at the corner positions of the chains on the fixing plate.

The present invention may be further configured in a preferred example to: the upper end of the feed box is provided with a filter screen.

The present invention may be further configured in a preferred example to: the walking steering system comprises a frame, a plurality of pairs of wheels and a hydraulic steering gear, wherein the frame is arranged at four corners of the frame, each pair of wheels are rotationally connected to two ends of the frame, and the hydraulic steering gear is arranged on the frame and used for controlling each pair of wheels to synchronously rotate.

In summary, the invention has the following beneficial effects:

1. by arranging an integrated machine integrating material distribution and material feeding, the automatic lifting and automatic material distribution of concrete are realized, so that the construction efficiency is improved;

2. in the aspect of safety, the automatic steering walking is adopted, the lifting is not needed, and the operation is safe and reliable;

3. in terms of quality, the concrete is lifted, the workability of the concrete is good, the slump is moderate, and the concrete pouring quality is easy to ensure;

4. in the aspect of construction efficiency, automatic material distribution is adopted, the material distribution is accurate, the number of workers is reduced, the labor intensity of the workers is reduced, pumping is not needed, the material distribution efficiency is high, and the risk of pump pipe blockage is avoided.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic structural view of a lifting system of an embodiment;

FIG. 3 is a schematic structural view of the cloth system of the embodiment;

FIG. 4 is a schematic view of the structure of a cloth carriage of the embodiment;

FIG. 5 is a schematic view of the internal structure of the bin of the embodiment;

fig. 6 is a schematic structural view of the driving mechanism of the embodiment.

Reference numerals: 1. a stent system; 11. a frame; 12. a portal frame; 2. a lifting system; 21. a lifting frame; 22. a hopper; 23. a material door; 24. a hoist; 25. a guide rod; 26. a guide sleeve; 27. a pin shaft; 3. a distribution system; 31. a beam frame; 32. a material distributing vehicle; 33. a suspension; 34. a feed box; 35. a pneumatic valve; 36. a filter screen; 37. a stirring shaft; 38. a planet wheel; 4. a walking steering system; 41. a frame; 42. a wheel; 43. a hydraulic steering gear; 5. a driving mechanism; 51. a fixing plate; 52. a hydraulic cylinder; 53. a connecting piece; 54. a chain; 55. and a guide wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the railway precast box girder concrete full Liang Bu all-in-one machine comprises a bracket system 1, a lifting system 2, a distributing system 3 and a walking steering system 4.

As shown in fig. 1, the rack system 1 includes a rectangular frame 11 and a pair of gantry frames 12, the frame 11 being provided in a rectangular shape and being used to span a prefabricated box girder mold, the pair of gantry frames 12 being distributed at both ends of the frame 11.

As shown in fig. 1, the lifting system 2 is provided at a central position of the upper end of the portal frame 12, and when concrete needs to be used, the concrete tank truck can be stopped under the portal frame 12, and the lifting mechanism can lift the concrete from the ground to above the frame 11.

As shown in fig. 1 and 2, the lifting system 2 includes a lifting frame 21, a hopper 22, a gate 23, and a hoist 24. The lifting frame 21 is horizontally fixed at the middle position of the portal frame 12, and the hopper 22 is arranged with an upper end opening and is positioned below the lifting frame 21. The material door 23 is arranged at the lower end of the hopper 22, and the material door 23 adopts a starting or hydraulic mode to realize the automatic opening and closing control of the material door 23. A hoist 24 is provided on the lifting frame 21 and controls the elevation of the hopper 22.

As shown in fig. 1 and 2, guide rods 25 are vertically and downwardly arranged around the lifting frame 21, and the lower ends of the guide rods 25 are arranged in a conical shape. The hopper 22 is provided with a guide sleeve 26 for the guide rod 25 to pass through, and the upper end of the guide sleeve 26 is arranged in a flaring shape. The lifting frame 21 is horizontally and slidably connected with a pin shaft 27 for plugging the upper end of the hopper 22 so as to fix the lifting opening of the hopper 22. Wherein the pin shaft 27 controls free sliding in a pneumatic or hydraulic mode to realize automatic plugging and fixing.

Thus when it is desired to use concrete, the tank truck moves under the gantry 12 and frame 11, at which point the pins 27 automatically open, and the hoist 24 controls the downward movement of the hopper 22 until the hopper 22 moves to the ground position, and the tank truck fills the hopper 22 with concrete.

The winch 24 then controls the hopper 22 to move upwards, and in the movement process of the hopper 22, the guide rod 25 is automatically inserted into the guide sleeve 26, so that the limit of the hopper 22 is realized, the stability of the hopper 22 when moving to the highest point is ensured, the shaking is prevented, meanwhile, the pin shaft 27 is ensured to be accurately inserted into the hopper 22, and the fixation of the hopper 22 is realized.

When pouring concrete, the control gate 23 is opened, and the hopper 22 can pour and discharge the concrete, thereby realizing the supply of the concrete. In the actual design and use process, the self weight 13t of the hopper 22, the capacity 6 times, the blanking time 80-120s, the lifting height 6m and the lifting speed 6m/min fully meet the supply requirement of concrete.

As shown in fig. 3, 4 and 5, the distributing system 3 comprises a rectangular beam 31 and a distributing truck 32, wherein the beam 31 is rectangular and is longitudinally slidably connected to the frame 11 and is used for moving the distributing truck 32 to the position below the hopper 22 so that the concrete can be poured into the distributing truck 32. The distributing trolley 32 is transversely and slidably connected to the beam frame 31 and is used for realizing the distribution in the transverse direction, and the distribution speed is 1.5-2 square/min.

As shown in fig. 3, 4 and 5, the spreader 32 includes a hanger 33, a bin 34, and a plurality of pneumatic valves 35. The suspension 33 is transversely and slidably connected to the beam 31, the upper end of the feed box 34 is opened and arranged on the suspension 33, the pneumatic valves 35 are arranged in six rows, and the six pneumatic valves 35 are arranged at the lower end of the feed box 34 at intervals. The six starting valves can be independently opened and can also be synchronously opened, so that the cloth requirements of different widths are met.

As shown in fig. 3, 4 and 5, a filter screen 36 is arranged at the upper end of the bin 34, and when the concrete in the hopper 22 is poured into the bin 34, the filter screen 36 can realize filtration and interception of large stones, so that the quality of the concrete is ensured. The lower end of the feed box 34 is horizontally and rotatably connected with a stirring shaft 37 for realizing real-time stirring of the concrete in the feed box 34 so as to prevent the concrete from segregation.

As shown in fig. 3, 4 and 5, the lower end of the bin 34 is horizontally and rotatably connected with planetary gears 38 positioned below a stirring shaft 37, the lower end of the bin 34 is in a cylindrical section, the lower end of the bin 34 is provided with an opening, the rotating edge positions of the planetary gears 38 are abutted against the inner side wall of the bin 34, and the edge positions of two adjacent planetary gears 38 and the inner wall of the bin 34 form a storage chamber with fixed capacity.

Therefore, when the material distribution system 3 works, the beam frame 31 is controlled to drive the material box 34 to move towards the end part direction of the frame 11, so that the material box 34 moves to the lower part of the hopper 22, when the hopper 22 discharges materials, concrete is poured down and filtered by the filter screen 36 on the material box 34, and qualified concrete enters the material box 34, so that the supplement of the concrete is realized.

The control beam 31 then drives the magazine 34 to slide in the longitudinal direction, while the magazine 34 slides laterally for automatic distribution. In the process of distributing materials, a proper number of pneumatic valves 35 can be selected according to actual needs, so that the materials with different widths can be distributed.

In the material distributing process of the material distributing vehicle 32, the stirring shaft 37 is used for stirring concrete at any time to prevent concrete from being solidified, and when the notch direction of the planet wheel 38 is upward, the concrete in the material box 34 enters the notch of the planet wheel 38 and fills the notch of the planet wheel 38, and along with the rotation of the planet wheel 38, the notch of the planet wheel 38 is gradually blocked by the side wall of the lower end of the material box 34, so that quantitative transportation of the concrete is realized. When the notch of the planet wheel 38 moves to the lower end position of the feed box 34, the notch of the planet wheel 38 is opened, and at the moment, concrete can be discharged along the pneumatic valve 35, so that quantitative discharging is realized, and accurate feeding of the concrete is ensured.

As shown in fig. 4 and 6, the bin 34 is vertically and slidably connected to the suspension 33, the sliding distance of the bin 34 is 1m, and driving mechanisms 5 for controlling the bin 34 to vertically move are arranged on two sides of the suspension 33, so that the concrete discharging height is about 30cm, concrete splashing is prevented, stable discharging of concrete is ensured, the material distributing trolley 32 can span the beam end guardrails, and normal operation of the material distributing trolley 32 is ensured.

As shown in fig. 4 and 6, the driving mechanism 5 includes a fixed plate 51, a hydraulic cylinder 52, a link 53, and a pair of chains 54. The fixed plate 51 is horizontally disposed on the suspension 33 and distributed on both sides of the upper end position of the bin 34, and the hydraulic cylinder 52 is horizontally disposed on the fixed plate 51.

As shown in fig. 4 and 6, the connecting member 53 is provided at the telescopic end of the hydraulic cylinder 52, one end of a pair of chains 54 is fixed to the connecting member 53, and the other end is fixed to both ends of the magazine 34. One of the chains 54 is bent once at the end position of the fixing plate 51 to fix the bin 34, and the other chain 54 is bent once at the end position of the fixing plate 51, bent twice at the lower end surface position of the fixing plate 51, and fixed at the other end of the bin 34. Therefore, in order to achieve guiding and smooth movement of the chain 54, the fixed plate 51 is rotatably provided with a guide wheel 55 at the corner position of the chain 54, and the chain 54 spans the guide wheel 55.

Therefore, when the feed box 34 is controlled to lift, the hydraulic cylinder 52 is used for controlling the connecting piece 53 to slide horizontally, the connecting piece 53 pulls the pair of chains 54 to move synchronously, and at the moment, according to the principle of the fixed pulley, the feed box 34 is controlled to move vertically, so that the feed box 34 is lifted, and different use requirements are met. Meanwhile, in the movement process of the material box 34, the unique lifting mechanism can realize synchronous stress at two ends of the material box 34, and stable lifting of the material box 34 is ensured.

As shown in fig. 1, the travel steering system 4 is provided at four corner positions of the frame 11, and the travel steering system 4 includes a frame 41, a plurality of pairs of wheels 42, and a hydraulic steering 43. The frame 41 is arranged at four corners of the frame 11, each pair of wheels 42 is rotatably connected to two ends of the frame 41, and the hydraulic steering device 43 is arranged on the frame 41 and used for controlling each pair of wheels 42 to synchronously rotate and used for rotating by 90 degrees so as to control the whole integrated machine to transversely and longitudinally walk.

When the whole machine is required to be controlled to walk, the hydraulic steering gear 43 is used for controlling the wheels 42 to rotate 90 degrees, so that the switching between the transverse and longitudinal walking of the wheels 42 is realized, the walking control of the whole machine is realized, meanwhile, the whole machine can walk on the ground, lifting is not required, and the machine is safe and reliable.

In a comprehensive manner, in the using process of the cloth feeding integrated machine, the integrated machine integrating cloth and feeding is arranged, so that automatic lifting and automatic cloth of concrete are realized, and the construction efficiency is improved. In addition to this:

in the aspect of safety, the automatic steering walking is adopted, the lifting is not needed, and the operation is safe and reliable.

In terms of quality, the concrete is lifted, the workability of the concrete is good, the slump is moderate, and the concrete pouring quality is easy to ensure.

In the aspect of construction efficiency, automatic material distribution is adopted, the material distribution is accurate, the number of workers is reduced, the labor intensity of the workers is reduced, pumping is not needed, the material distribution efficiency is high, and the risk of pump pipe blockage is avoided.

And during operation:

realize automatic receiving, lifting and discharging, and solve the problems of high slump and poor workability of pumping concrete for blocking and bursting pipes.

Realize automatic material receiving, walking and cloth along the setting track, solve the problem that traditional book cloth machine cloth is uneven, workman intensity of labour is big.

The wheel 4290-degree steering is realized, and the integrated machine freely walks longitudinally and transversely.

And the automation and the few humanization of concrete pouring are realized.

The material distribution speed is 1.5-2 square/min, and the concrete of the 316 square box girder is poured within 6 hours.

The concrete full Liang Bu all-in-one machine construction process comprises the following steps:

a. the box girder pedestal achieves the condition of concrete pouring;

b. the integrated machine shifts, locks the distributing trolley 32 and the hopper 22, controls the wheels 42 to rotate by 90 degrees through the hydraulic steering gear 43, moves transversely or longitudinally and runs to the position above the box girder pedestal to be poured;

c. concrete is transported, the concrete is transported by a tank truck, and is driven between two box girder pedestals, and the concrete is put into a hopper 22;

d. lifting the concrete, namely lifting the hopper 22 to the highest point, driving the distributing vehicle 32 to the lower part of the hopper 22, and transferring the concrete in the hopper 22 into a material box 34 of the distributing vehicle 32;

e. after the concrete is distributed and the distribution truck 32 receives the materials, the materials travel along the transverse direction and the longitudinal direction of the box girder pedestal, so that automatic distribution along a set track is realized;

f. repeating the steps, and circularly constructing.

The present invention is not limited by the specific embodiments, and modifications can be made to the embodiments without creative contribution by those skilled in the art after reading the present specification, but are protected by patent laws within the scope of claims of the present invention.

Claims (10)

1. All Liang Bu all-in-one is sent to railway precast box girder concrete, its characterized in that: comprising the following steps:

the bracket system (1) comprises a rectangular frame (11) and a pair of portal frames (12), wherein the pair of portal frames (12) are distributed at two ends of the frame (11);

the lifting system (2) is arranged on the portal frame (12) and is used for lifting concrete;

the distribution system (3) comprises a rectangular beam frame (31) and a distribution vehicle (32), wherein the beam frame (31) is longitudinally and slidably connected to the frame (11), and the distribution vehicle (32) is transversely and slidably connected to the beam frame (31);

and a traveling steering system (4) which is provided at four corners of the frame (11) and is rotated by 90 degrees.

2. The railway precast box girder concrete full Liang Bu all-in-one machine according to claim 1, wherein: the lifting system (2) comprises a lifting frame (21), a hopper (22), a material door (23) and a winch (24), wherein the lifting frame (21) is fixed at the middle position of the portal frame (12), the hopper (22) is located below the lifting frame (21), the material door (23) is arranged at the lower end of the hopper (22), and the winch (24) is arranged on the lifting frame (21) and used for controlling the hopper (22) to lift.

3. The railway precast box girder concrete full Liang Bu all-in-one machine according to claim 2, wherein: guide rods (25) are vertically and downwards arranged around the lifting frame (21), guide sleeves (26) used for the guide rods (25) to penetrate through are arranged on the hopper (22), the lower ends of the guide rods (25) are arranged in a conical mode, the upper ends of the guide sleeves (26) are arranged in a flaring mode, and meanwhile the lifting frame (21) is horizontally and slidingly connected with pin shafts (27) used for being inserted into the upper ends of the hopper (22).

4. The railway precast box girder concrete full Liang Bu all-in-one machine according to claim 1, wherein: the material distribution vehicle (32) comprises a suspension (33), a material box (34) and a plurality of pneumatic valves (35), wherein the suspension (33) is transversely connected with the beam frame (31) in a sliding mode, the upper end of the material box (34) is opened and arranged on the suspension (33), and the pneumatic valves (35) are arranged at intervals at the lower end of the material box (34).

5. The railway precast box girder concrete full Liang Bu all-in-one machine according to claim 4, wherein: the lower end of the feed box (34) is horizontally and rotatably connected with a stirring shaft (37).

6. The railway precast box girder concrete full Liang Bu all-in-one machine according to claim 5, wherein: the lower extreme level of workbin (34) rotates and is connected with be located planet wheel (38) of (mixing) shaft (37) below, the lower extreme of workbin (34) is the cross-section and is the tube-shape setting, and the lower extreme is the opening setting, the edge position of planet wheel (38) is contradicted workbin (34) inside wall to the edge position of two adjacent planet wheels (38) with workbin (34) inner wall forms the storage chamber.

7. The railway precast box girder concrete full Liang Bu all-in-one machine according to claim 4, wherein: the feed box (34) is vertically connected with the suspension frame (33) in a sliding mode, and driving mechanisms (5) for controlling the feed box (34) to vertically move are arranged on two sides of the suspension frame (33).

8. The railway precast box girder concrete full Liang Bu all-in-one machine according to claim 7, wherein: the driving mechanism (5) comprises a fixing plate (51), a hydraulic cylinder (52), a connecting piece (53) and a pair of chains (54), wherein the fixing plate (51) is horizontally arranged on the suspension frame (33) and distributed on two sides of the feed box (34), the hydraulic cylinder (52) is horizontally arranged on the fixing plate (51), the connecting piece (53) is arranged at the telescopic end of the hydraulic cylinder (52), one end of the pair of chains (54) is fixed to the connecting piece (53), the other end of the pair of chains is fixed to two ends of the feed box (34), and meanwhile, the fixing plate (51) is provided with guide wheels (55) at the corner positions of the chains (54).

9. The railway precast box girder concrete full Liang Bu all-in-one machine according to claim 4, wherein: the upper end of the feed box (34) is provided with a filter screen (36).

10. The railway precast box girder concrete full Liang Bu all-in-one machine according to claim 1, wherein: the walking steering system (4) comprises a frame (41), a plurality of pairs of wheels (42) and a hydraulic steering device (43), wherein the frame (41) is arranged at four corners of the frame (11), each pair of wheels (42) is rotationally connected to two ends of the frame (41), and the hydraulic steering device (43) is arranged on the frame (41) and is used for controlling each pair of wheels (42) to synchronously rotate.