New energy ballastless track laying machine

Abstract

A new energy ballastless track laying machine comprises a track laying machine body, the track laying machine body comprises two underframes, walking mechanisms are installed on the underframes, supporting leg assemblies are fixed to the tops of the underframes, upper cross beams are fixed to the tops of the supporting leg assemblies, a bearing beam is fixed between the two upper cross beams, and a lifting device is fixed to the bearing beam. The supporting leg assembly comprises two supporting leg assemblies, each supporting leg assembly comprises a lower supporting leg fixed to the top of the bottom frame, an upper supporting leg is arranged above the lower supporting leg, a sliding rod is fixed to the bottom of the upper supporting leg, and a sliding hole is formed in the lower supporting leg; a supporting plate is fixed between the two supporting leg assemblies, a lead screw is rotationally connected between the supporting plate and the bottom frame, a second motor is fixed in the bottom frame, a movable sleeve is in threaded connection with the lead screw, connecting rods are fixed to the two sides of the movable sleeve, strip-shaped holes are formed in the side faces of the lower supporting legs, and horizontal columns are fixed to the side faces of the sliding rods. The outer ends of the horizontal columns extend out of the strip-shaped holes and are fixedly connected with the corresponding connecting rods. The height of the laying machine is convenient to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of track laying machines, and in particular to a new energy ballastless track laying machine. Background Art

[0002] The main reason why subways use ballastless tracks is that they have higher stability and smoothness, can reduce noise and vibration, and also have the advantages of long service life and less maintenance workload. During the subway construction process, a track laying machine is needed to lay subway tracks. It is a key equipment for subway construction. The track laying machine has undergone several upgrades, but it still has a bulky structure, high energy consumption, low construction efficiency, and the traditional power supply mode is too complicated. When operating a traditional track laying machine, there are common problems such as frequent reversal of power supply, frequent cable dragging, easy damage and leakage, and high failure rate. The patent publication number is CN216972991U, and the patent name is a new energy track laying machine. In the patent disclosure of the technical solution, a new energy battery is arranged on the end face of the lower crossbeam. The new energy battery is connected to the control platform, the second motor and the electric hoist through wires, and the connection method is electrical connection. The new energy battery provides power for it, reducing the frequent cable dragging and other problems. However, during use, when it is necessary to adjust the height of the track laying machine, the fixing rod is pulled out, the upper part of the laying machine is lifted, and the upper leg is slid to a suitable position along the telescopic leg, and then the fixing rod is installed in the corresponding limit hole and positioning hole. The operation is cumbersome and laborious. Utility Model Content

[0003] The purpose of the utility model is to provide a new energy ballastless track laying machine, which is convenient for adjusting the height of the laying machine, easy to operate, and saves manpower.

[0004] The technical solution adopted by the utility model is:

[0005] A new energy ballastless track laying machine comprises a track laying machine body, the track laying machine body comprises two spaced base frames, a walking mechanism is installed on the base frames, a leg assembly is fixed on the top of the base frames, an upper cross beam is fixed on the top of the leg assembly, a load-bearing beam is fixed between the two upper cross beams, a lifting device is fixed on the load-bearing beam, the leg assembly comprises two symmetrical leg assemblies, the leg assembly comprises a lower leg fixed on the top of the base frame, an upper leg is provided above the lower leg, a sliding rod is fixed at the bottom of the upper leg, a vertical sliding hole is provided on the lower leg, and the sliding rod is slidably connected in the sliding hole; a supporting plate is fixed between the two leg assemblies, a lead screw is rotatably connected between the supporting plate and the base frame, a second motor connected to the lead screw transmission is fixed in the base frame, a moving sleeve is threadedly connected to the lead screw, connecting rods are respectively fixed on both sides of the moving sleeve, a strip hole connected to the sliding hole is provided on the side of the lower leg, a horizontal column is fixed on the side of the sliding rod, and the outer end of the horizontal column extends outside the strip hole and is fixedly connected to the corresponding connecting rod.

[0006] The outer end of the horizontal column is threadedly connected with a locking nut, and the locking nut is tightly pressed against the outer part of the lower supporting leg.

[0007] A ring-shaped fixing plate is fixed on the top of the lower supporting leg, and two ends of the supporting plate are detachably fixed on the top of the fixing plate by screws.

[0008] A first mounting plate is fixed to the bottom of the lower leg, and the first mounting plate is detachably fixed to the top of the base frame by bolts; a second mounting plate is fixed to the top of the slide bar, and a third mounting plate is fixed to the bottom of the upper leg, and the bottom of the third mounting plate is attached to the top of the second mounting plate and detachably fixedly connected by bolts; a fourth mounting plate is fixed to the top of the upper leg, and the fourth mounting plate is detachably fixed to the bottom of the upper beam by bolts.

[0009] An assembly plate is fixed at the bottom of the second motor, a support block is provided at the bottom of the assembly plate, the assembly plate is detachably fixedly connected to the support block by screws, a mounting hole corresponding to the support block is provided at the bottom of the base frame, a bottom plate is fixed at the bottom of the support block, the top of the bottom plate is attached to the bottom of the base frame and is detachably fixedly connected by bolts.

[0010] Symmetrical vertical rods are fixed between the support plate and the base frame, and the connecting rods are provided with through holes which are slidably connected with the vertical rods.

[0011] A lower crossbeam is provided between the upper crossbeam and the base frame, and both ends of the lower crossbeam are respectively fixed on the inner sides of the corresponding upper legs. An installation box is fixed on the top of the lower crossbeam, and a new energy battery for providing power to the track laying machine body is arranged in the installation box.

[0012] The track laying machine body of the utility model is used to lift and lay the track at the destination. The track laying machine body includes two spaced bottom frames, on which a walking mechanism is installed, which is used to drive the track laying machine body to walk. A leg assembly is fixed on the top of the bottom frame to play a supporting role. An upper crossbeam is fixed on the top of the leg assembly, a load-bearing beam is fixed between the two upper crossbeams, and a lifting device is fixed on the load-bearing beam to drive the track to move up and down. The leg assembly includes two symmetrical leg assemblies, which include a lower leg, a slide bar and an upper leg, and the slide bar can move along The sliding hole slides up and down, and the side of the lower leg is provided with a strip hole connected to the sliding hole. A horizontal column is fixed on the side of the sliding rod. The horizontal column can slide up and down along the strip hole. The outer end of the horizontal column extends outside the strip hole and is fixedly connected to the corresponding connecting rod to realize the connection between the sliding rod and the movable sleeve. The second motor is energized to drive the lead screw to rotate. The movable sleeve is threadedly connected to the lead screw to drive the movable sleeve to move up and down along the lead screw. The movable sleeve drives the sliding rod to slide up and down along the sliding hole through the connecting rod and the horizontal column to realize the height adjustment of the leg assembly. The operation is convenient and manpower is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 is a schematic diagram of the structure of the lower leg;

[0015] Figure 3 This is a structural diagram of the chassis. DETAILED DESCRIPTION

[0016] like Figure 1-Figure 3 As shown, a new energy ballastless track laying machine includes a track laying machine body, which is used to lift and lay the track at the destination. The track laying machine body includes two spaced base frames 4, and a walking mechanism is installed on the base frame 4 to drive the track laying machine body to walk. The walking mechanism includes a walking wheel 3 rotatably connected to the base frame 4 and a first motor 10 for driving the walking wheel 3 to run. A leg assembly is fixed to the top of the base frame 4, and an upper cross beam 24 is fixed to the top of the leg assembly. A load-bearing beam 25 is fixed between the two upper cross beams 24, and a lifting device 26 is fixed on the load-bearing beam 25 to drive the track to move up and down. The lifting device 26 includes an electric hoist, and a hoist 20 for lifting the track is provided below the electric hoist. A pulley matched with the wire rope of the electric hoist is installed on the top of the hoist 20 to drive the hoist 20 to move up and down. This is a prior art and will not be repeated here. The leg assembly includes two symmetrical leg assemblies 5 for supporting The leg assembly 5 includes a lower leg 11 fixed to the top of the base frame 4, an upper leg 27 is provided above the lower leg 11, a sliding rod 17 is fixed to the bottom of the upper leg 27, a vertical sliding hole is provided on the lower leg 11, and the sliding rod 17 is slidably connected in the sliding hole; a support plate 12 is fixed between the two leg assemblies 5, a lead screw 8 is rotatably connected between the support plate 12 and the base frame 4, a second motor 31 connected to the lead screw 8 is fixed in the base frame 4, the second motor 31 is used to drive the lead screw 8 to rotate, a moving sleeve 13 is threadedly connected to the lead screw 8, and connecting rods 13a are respectively fixed on both sides of the moving sleeve 13, a strip hole 28 connected to the sliding hole is provided on the side of the lower leg 11, and a horizontal column 14 is fixed on the side of the sliding rod 17, the horizontal column 14 can move up and down along the strip hole 28, and the outer end of the horizontal column 14 extends to the outside of the strip hole 28 and is fixedly connected to the corresponding connecting rod 13a, so as to realize the connection between the sliding rod 17 and the moving sleeve 13.

[0017] The outer end of the horizontal column 14 is threadedly connected with a locking nut 15 , and the locking nut 15 is pressed against the outside of the lower leg 11 to further lock the position of the horizontal column 14 , that is, to lock the position of the sliding rod 17 .

[0018] A ring-shaped fixing plate 16 is fixed to the top of the lower leg 11, and both ends of the support plate 12 are detachably fixed to the top of the fixing plate 16 by screws, which is convenient for installation and disassembly.

[0019] A first mounting plate 9 is fixed to the bottom of the lower leg 11, and the first mounting plate 9 is detachably fixed to the top of the base frame 4 by bolts; a second mounting plate 18 is fixed to the top of the slide bar 17, and a third mounting plate 19 is fixed to the bottom of the upper leg 27, and the bottom of the third mounting plate 19 is attached to the top of the second mounting plate 18 and is detachably fixedly connected by bolts; a fourth mounting plate 23 is fixed to the top of the upper leg 27, and the fourth mounting plate 23 is detachably fixed to the bottom of the upper beam 24 by bolts, which is convenient for installation and disassembly.

[0020] An assembly plate 30 is fixed to the bottom of the second motor 31, and a support block 29 is provided at the bottom of the assembly plate 30 for supporting. The assembly plate 30 is detachably fixedly connected to the support block 29 by screws, which is convenient for installation and disassembly. A mounting hole corresponding to the support block 29 is provided at the bottom of the base frame 4, and a bottom plate 7 is fixed to the bottom of the support block 29. The top of the bottom plate 7 is attached to the bottom of the base frame 4 and is detachably fixedly connected by bolts, which is convenient for installation and disassembly.

[0021] A symmetrical vertical rod 6 is fixed between the support plate 12 and the base frame 4, which plays a supporting and guiding role. A through hole is provided on the connecting rod 13a, which is slidably connected to the vertical rod 6. When the connecting rod 13a moves up and down, the connecting rod 13a slides up and down along the vertical rod 6.

[0022] A lower crossbeam 21 is provided between the upper crossbeam 24 and the base frame 4, and the two ends of the lower crossbeam 21 are respectively fixed on the inner sides of the corresponding upper legs 27. An installation box 22 is fixed on the top of the lower crossbeam 21. The installation box 22 is provided with a new energy battery for providing power to the track laying machine body. The new energy battery is used to power the first motor 10, the second motor 31 and the electric hoist, etc. An operating table 1 is fixed on one of the brackets, and a control platform 2 is fixed on the operating table 1 for controlling the operation of the first motor 10, the second motor 31 and the electric hoist, etc. This is a prior art and will not be repeated here.

[0023] The utility model is convenient for adjusting the height of the laying machine, is easy to operate, and saves manpower. During use, the lifting device 26 lifts the track to drive it up and down, and the walking mechanism on the bottom frame 4 drives the track laying machine body to run to the destination, which is convenient for lifting and laying the track at the destination. When it is necessary to adjust the height of the leg assembly according to the needs of the construction environment, the locking nut 15 on the side of the lower leg 11 is loosened, the second motor 31 is powered on, and the second motor 31 drives the screw 8 to rotate, and the moving sleeve 13 is threadedly connected with the screw 8 , driving the movable sleeve 13 to move up and down along the lead screw 8, the movable sleeve 13 drives the sliding rod 17 to slide up and down along the sliding hole through the connecting rod 13a and the horizontal column 14, the horizontal column 14 slides up and down along the strip hole 28, and the sliding rod 17 drives the upper leg 27, the upper crossbeam 24 and other components to move up and down. When the height of the leg assembly is adjusted, the second motor 31 stops working, and then tightens the locking nut 15 so that the locking nut 15 is tightened against the outside of the lower leg 11, further locking the position of the horizontal column 14, that is, locking the position of the sliding rod 17.

[0024] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. A new energy ballastless track laying machine, comprising a track laying machine body, the track laying machine body comprising two spaced underframes, a walking mechanism is installed on the underframe, a leg assembly is fixed on the top of the underframe, an upper crossbeam is fixed on the top of the leg assembly, a load-bearing beam is fixed between the two upper crossbeams, and a lifting device is fixed on the load-bearing beam, characterized in that: The leg assembly includes two symmetrical leg assemblies, the leg assembly includes a lower leg fixed on the top of the base frame, an upper leg is provided above the lower leg, a sliding rod is fixed to the bottom of the upper leg, a vertical sliding hole is provided on the lower leg, and the sliding rod is slidably connected in the sliding hole; a support plate is fixed between the two leg assemblies, a lead screw is rotatably connected between the support plate and the base frame, a second motor connected to the lead screw transmission is fixed in the base frame, a moving sleeve is threadedly connected on the lead screw, connecting rods are respectively fixed on both sides of the moving sleeve, a strip hole connected to the sliding hole is provided on the side of the lower leg, a horizontal column is fixed on the side of the sliding rod, the outer end of the horizontal column extends outside the strip hole and is fixedly connected to the corresponding connecting rod.

2. The new energy ballastless track laying machine according to claim 1, characterized in that: The outer end of the horizontal column is threadedly connected with a locking nut, and the locking nut is tightly pressed against the outer part of the lower supporting leg.

3. The new energy ballastless track laying machine according to claim 1, characterized in that: A ring-shaped fixing plate is fixed on the top of the lower supporting leg, and two ends of the supporting plate are detachably fixed on the top of the fixing plate by screws.

4. The new energy ballastless track laying machine according to claim 1, characterized in that: A first mounting plate is fixed to the bottom of the lower leg, and the first mounting plate is detachably fixed to the top of the base frame by bolts; a second mounting plate is fixed to the top of the slide bar, and a third mounting plate is fixed to the bottom of the upper leg, and the bottom of the third mounting plate is attached to the top of the second mounting plate and detachably fixedly connected by bolts; a fourth mounting plate is fixed to the top of the upper leg, and the fourth mounting plate is detachably fixed to the bottom of the upper beam by bolts.

5. The new energy ballastless track laying machine according to claim 1, characterized in that: An assembly plate is fixed at the bottom of the second motor, a support block is provided at the bottom of the assembly plate, the assembly plate is detachably fixedly connected to the support block by screws, a mounting hole corresponding to the support block is provided at the bottom of the base frame, a bottom plate is fixed at the bottom of the support block, the top of the bottom plate is attached to the bottom of the base frame and is detachably fixedly connected by bolts.

6. The new energy ballastless track laying machine according to claim 1, characterized in that: Symmetrical vertical rods are fixed between the support plate and the base frame, and the connecting rods are provided with through holes which are slidably connected with the vertical rods.

7. The new energy ballastless track laying machine according to claim 1, characterized in that: A lower crossbeam is provided between the upper crossbeam and the base frame, and both ends of the lower crossbeam are respectively fixed on the inner sides of the corresponding upper legs. An installation box is fixed on the top of the lower crossbeam, and a new energy battery for providing power to the track laying machine body is arranged in the installation box.

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