Track layer
By using the design of spaced ground beams, span beams and anti-collision devices in the track laying machine, the problem of easy damage to the main beam during lifting of the suspenders in the prior art is solved, and flexible lifting and wireless installation of prefabricated concrete beams of different widths is realized. Power supply improves the safety and convenience of the equipment.
Patent Information
- Application Number
- CN202323642239.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The existing subway track laying machines are prone to overturning the top when the lifting mechanism drives the lifting gear to lift goods, resulting in damage to the main beam.
A rail laying machine is designed, using spaced ground beam, concave legs, middle legs, side beam and variable span beam structures. The variable span beam is driven to move through the transverse oil cylinder, combining the lifting mechanism and anti-collision device to prevent The precast concrete beam collides with the middle beam and provides power through the battery cabinet to achieve wireless power supply.
It effectively avoids collision between precast concrete beams and middle beams, extends the service life of the spreader, and improves operational convenience and flexibility through wireless power supply, and can cross precast concrete beams of different widths.
Smart Images
Figure CN222160801U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of track laying machine equipment, in particular to a track laying machine. Background Art
[0002] The track laying machine for subway construction is a key equipment for subway track construction, which saves a lot of manpower and improves work efficiency. The comparative document CN207419170 discloses a mobile power supply type track laying machine, and the comparative document CN2020936712.5 discloses a double-main-beam track laying machine. When the lifting mechanism drives the hoist to lift the goods, it is easy to hit the top, thereby causing damage to the main beam. Utility Model Content
[0003] In view of the deficiencies in the prior art, the utility model provides a track laying machine.
[0004] The technical solution of the utility model is achieved as follows: a track laying machine comprises two ground beams arranged at intervals, the top of each ground beam is fixedly connected with a vertically arranged concave support leg, the top of each concave support leg is installed with a middle support leg, the top of the middle support leg on the same side is fixedly connected with a side beam, the middle position of the top of the two side beams is fixedly connected with a variable span beam, the two opposite ends of the two variable span beams are slidably arranged at the two ends of the middle beam, the middle beam is a cavity structure with openings at both ends, the two sides of the top of the middle beam are fixedly connected with transverse cylinders for driving the variable span beams to move, the bottom of the middle beam is hoisted with a lifting mechanism through a lifting mechanism, the lifting mechanism comprises a cross beam and a longitudinal beam, the cross beam and the longitudinal beam are perpendicular to each other, the bottom of the cross beam is symmetrically hinged with a hook one, the center position of the bottom of the cross beam is installed with a hook two, a safety buckle is hinged on the hook two, the two ends of the longitudinal beam are fixedly connected with a hook three, and the bottom of the middle beam is installed with an anti-collision device to prevent the lifting mechanism from colliding.
[0005] The fixed ends of the two transverse oil cylinders are arranged back to back, the fixed ends of the transverse oil cylinders are connected to the top of the middle beam through a hinge seat 1, and the free ends of the transverse oil cylinders are connected to the top of the variable span beam through a hinge seat 2.
[0006] Two running wheels are installed on the ground beam, and one of the running wheels is connected to a driving motor.
[0007] A mounting frame is fixedly connected between two middle legs on the same side, and a battery cabinet is installed on the top of the mounting frame.
[0008] The lifting mechanism includes two drums installed at intervals at the bottom of the middle beam. The wire rope on the drum is wound around a movable pulley, and the movable pulley is installed on both sides of the beam through a movable pulley frame.
[0009] The front part of the middle beam and the side part of the drum are both equipped with lifting electric control boxes.
[0010] The anti-collision device comprises two weight limiters installed at intervals at the bottom of the center beam, and an alarm is installed on the side of one of the center legs.
[0011] The technical solution of the utility model has the following positive effects: the utility model is equipped with a battery cabinet to provide power for the device, which is more convenient to use without the need to connect cables; the variable-span beam is driven by a transverse cylinder to move along the middle beam, so that it can span precast concrete beams of different widths; a heavy hammer limiter and an alarm are used to prevent the precast concrete beam from colliding with the top of the middle beam when rising, thereby damaging the middle beam. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic front view of the structure of the utility model.
[0013] Figure 2 It is a schematic side view of the structure of the utility model.
[0014] Figure 3 It is a top view of the sling structure of the utility model. DETAILED DESCRIPTION
[0015] like Figure 1-3 As shown, a track laying machine comprises two spaced-apart walkable ground beams 1, the top of each ground beam 1 is fixedly connected with a vertically arranged concave leg 2, the top of each concave leg 2 is installed with a middle leg 3, the top of the middle leg 3 on the same side is fixedly connected with a side beam 4, the middle position of the top of the two side beams 4 is fixedly connected with a variable span beam 5, the opposite ends of the two variable span beams 5 are slidably arranged at the two ends of the middle beam 6, the middle beam 6 is a cavity structure with openings at both ends, and the two ends of the top of the middle beam 6 are fixedly connected with the side beam 4, and the middle beam 6 is a hollow structure with openings at both ends. The side is fixedly connected with a transverse oil cylinder 7 for driving the variable span beam 5 to move. The bottom of the middle beam 6 is hoisted with a sling mechanism through a lifting mechanism. The sling mechanism includes a cross beam 8 and a longitudinal beam 9. The cross beam 8 and the longitudinal beam 9 are perpendicular to each other. The bottom of the cross beam 8 is symmetrically hinged with a hook 10. The center position of the bottom of the cross beam 8 is installed with a hook 2 11. A safety buckle 25 is hinged on the hook 2 11. The two ends of the longitudinal beam 9 are fixedly connected with hooks 3 12. The bottom of the middle beam 6 is installed with an anti-collision device to prevent the sling mechanism from colliding.
[0016] Specifically, a control panel is installed on the side of the concave support leg 2 so that workers can operate and control it; the ground beam 1 moves the entire device, and the free end of the transverse cylinder 7 is extended and retracted to drive the variable-span beam 5 to move horizontally along the middle beam 6, so as to facilitate the passage of precast concrete beams of different widths, etc. The two hooks three 12 are used to lift the two ends of the precast concrete beam in the length direction, and the two hinged hooks one 10 lift the middle position of the precast concrete beam. The hinged hook one 10 can prevent the precast concrete beam from being different. The hook one 10 can automatically adjust the angle, and the service life of the hook one 10 can be extended through the soft connection; the hook two 11 can lift the concrete bucket.
[0017] The fixed ends of the two transverse cylinders 7 are arranged back to back, and the fixed ends of the transverse cylinders 7 are connected to the top of the middle beam 6 through an articulated seat 13, and the free ends of the transverse cylinders 7 are connected to the top of the variable span beam 5 through an articulated seat 2 14.
[0018] Two running wheels 15 are installed on each of the ground beams 1 , and one of the running wheels 15 is connected to a driving motor 16 .
[0019] A mounting frame 17 is fixedly connected between the two middle legs 3 on the same side, and a battery cabinet 18 is installed on the top of the mounting frame 17; specifically, the batteries on the battery cabinet 18 provide power.
[0020] The lifting mechanism includes two drums 20 installed at intervals at the bottom of the middle beam 6. The wire rope on the drum 20 is wound on a movable pulley 21. The movable pulley 21 is installed on both sides of the cross beam 8 through a movable pulley frame. A lifting electric control box 22 is installed at the front of the middle beam 6 and on the side of the drum 20.
[0021] Specifically, the drum 20 is connected to a driving motor, which is not shown in the figure. This is the prior art. The drum 20 drives the wire rope to rise and fall, thereby driving the lifting device to rise and fall.
[0022] The anti-collision device includes two weight limiters 23 installed at intervals at the bottom of the middle beam 6, and an alarm 24 is installed on the side of one of the middle legs 3; specifically, when the lifting mechanism drives the precast concrete beam to rise, the weight limiter 23 and the alarm 24 prevent the precast concrete beam from colliding with the top of the middle beam 6 when rising, thereby damaging the middle beam 6.
Claims
1. A track laying machine, Features: The utility model comprises two ground beams arranged at intervals, the top of each ground beam is fixedly connected with a vertically arranged concave support leg, the top of each concave support leg is installed with a middle support leg, the top of the middle support leg on the same side is fixedly connected with a side beam, the middle position of the top of the two side beams is fixedly connected with a variable-span beam, the two opposite ends of the two variable-span beams are slidably arranged at the two ends of the middle beam, the middle beam is a cavity structure with openings at both ends, the two sides of the top of the middle beam are fixedly connected with transverse cylinders for driving the variable-span beams to move, the bottom of the middle beam is hoisted with a lifting mechanism through a lifting mechanism, the lifting mechanism comprises a cross beam and a longitudinal beam, the cross beam and the longitudinal beam are perpendicular to each other, the bottom of the cross beam is symmetrically hinged with a hook one, a hook two is installed at the center position of the bottom of the cross beam, a safety buckle is hinged on the hook two, the two ends of the longitudinal beam are fixedly connected with a hook three, and the bottom of the middle beam is installed with an anti-collision device for preventing the lifting mechanism from colliding.
2. A track laying machine according to claim 1, Features: The fixed ends of the two transverse oil cylinders are arranged back to back, the fixed ends of the transverse oil cylinders are connected to the top of the middle beam through a hinge seat 1, and the free ends of the transverse oil cylinders are connected to the top of the variable span beam through a hinge seat 2.
3. A track laying machine according to claim 2, Features: Two running wheels are installed on the ground beam, and one of the running wheels is connected to a driving motor.
4. A track laying machine according to claim 2, Features: A mounting frame is fixedly connected between two middle legs on the same side, and a battery cabinet is installed on the top of the mounting frame.
5. A track laying machine according to claim 2, Features: The lifting mechanism includes two drums installed at intervals at the bottom of the middle beam. The wire rope on the drum is wound around a movable pulley, and the movable pulley is installed on both sides of the beam through a movable pulley frame.
6. A track laying machine according to claim 2, Features: The front part of the middle beam and the side part of the drum are both equipped with lifting electric control boxes.
7. A track laying machine according to claim 2, Features: The anti-collision device comprises two weight limiters installed at intervals at the bottom of the center beam, and an alarm is installed on the side of one of the center legs.