Crane walking trolley accurate in positioning

Abstract

The utility model particularly relates to a crane walking trolley capable of accurately positioning, which comprises two main beams arranged at an interval, two ends of each main beam are fixedly connected between two end beams, trolley frames run on the main beams, a mounting plate is mounted between the two trolley frames, a winch is mounted at the top of the mounting plate, and the winch is mounted on the top of the mounting plate. The trolley frame is of a cavity box type structure with an opening in the bottom, racks are installed on the tops of the main beams, connecting shafts are rotationally connected to the trolley frame, gears are installed on the connecting shafts, a driving motor is installed on one connecting shaft, a lubricating device is arranged on the racks, and a trolley anti-collision device is installed on the top of one main beam. Through cooperation of a gear and a rack, the trolley can be positioned more accurately during running; a felt gear is installed on the trolley frame and can lubricate the rack.

Description

Technical Field

[0001] The utility model relates to the field of cranes, in particular to a crane traveling trolley with accurate positioning. Background Art

[0002] A crane can horizontally transport and vertically lift goods within a certain range, and is also known as an overhead crane, gantry crane, or hoist; the trolley moves horizontally on the main beam. Generally, the crane trolley is driven by a motor to drive the wheels to move. However, when the crane trolley stops, it generally continues to move due to inertia, resulting in inaccurate positioning. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the utility model provides a crane traveling trolley with accurate positioning.

[0004] The technical solution of the utility model is realized as follows: a crane traveling trolley with accurate positioning includes two main beams arranged at intervals. The two ends of the main beams are fixedly connected between two end beams. The main beams are each provided with a trolley frame traveling thereon. An installation plate is installed between the two trolley frames. A hoist is installed on the top of the installation plate. The trolley frame is a cavity box structure with an open bottom. A rack is installed on the top of the main beam. A connecting shaft is rotatably connected to the trolley frame. A gear is installed on the connecting shaft. A driving motor is installed on one of the connecting shafts. The gear meshes with the rack. A lubricating device is arranged on the rack. The lubricating device includes a felt gear. The felt gear is connected with an oil injection pipe. An electromagnetic valve is installed on the oil injection pipe. The oil injection pipe is in an L-shaped structure. The felt gear is rotatably connected to the horizontal part of the oil injection pipe. An oil injection hole is opened on the horizontal part of the oil injection pipe. The vertical part of the oil injection pipe passes through the top plate of the trolley frame and extends upward. The oil injection pipe is connected with an oil storage tank. A trolley anti-collision device is installed on the top of one of the main beams.

[0005] The anti-collision device includes two laser sensors. The two laser sensors are respectively installed on both sides of the top of the main beam. Receivers are respectively installed at both ends of the side of the trolley frame close to the laser sensors.

[0006] The bottom of the laser sensor is fixedly connected with a bolt. The bolt is installed on a horizontal plate. One side of the bottom of the horizontal plate is provided with a vertical plate. The vertical plate is fixedly connected to the top of the main beam.

[0007] A strip-shaped hole is arranged along the length direction of the top of the horizontal plate.

[0008] The bolt passes through the strip-shaped hole. A fastening nut is installed at the bottom of the bolt and located on the horizontal plate.

[0009] An oil receiving groove is installed on the top of the main beam and located at the bottom of the rack.

[0010] Baffles are arranged on both sides of the oil injection pipe and located on both sides of the felt gear.

[0011] The technical solution of the utility model has the following positive effects: A rack is installed on the top of the main beam of the utility model, and a gear is rotatably connected to the trolley frame. Through the cooperation of the gear and the rack, the trolley can be positioned more accurately when running; a felt gear is installed on the trolley frame to lubricate the rack; when the trolley frame moves left and right on the main beam, the laser sensor sends a signal to the receiver through the anti-collision device, so that the trolley frame stops moving, and the oil receiving tank is used to receive oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic structural diagram of the utility model.

[0013] Figure 2 It is a top view of the structure of the utility model.

[0014] Figure 3 It is a schematic connection diagram of the trolley frame with the oil injection pipe and the felt gear. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] As Figures 1-3 shown, a crane traveling trolley with accurate positioning includes two main beams 1 arranged at intervals. The two ends of the main beam 1 are fixedly connected between two end beams 2. Trolley frames 3 are running on the main beams 1. An installation plate is installed between the two trolley frames 3. A hoist is installed on the top of the installation plate. The trolley frame 3 is a cavity box structure with an open bottom. A rack 5 is installed on the top of the main beam 1. A connecting shaft 4 is rotatably connected to the trolley frame 3. A gear 6 is installed on the connecting shaft 4. A driving motor 17 is installed on one of the connecting shafts 4. The gear 6 meshes with the rack 5. A lubricating device is arranged on the rack 5. The lubricating device includes a felt gear 18. The felt gear 18 is connected with an oil injection pipe 7. An electromagnetic valve is installed on the oil injection pipe 7. The oil injection pipe 7 is in an L-shaped structure. The felt gear 18 is rotatably connected to the horizontal part of the oil injection pipe 7. An oil injection hole 8 is opened on the horizontal part of the oil injection pipe 7. The vertical part of the oil injection pipe 7 passes through the top plate of the trolley frame 3 and extends upward. The oil injection pipe 7 is connected with an oil storage tank 9. A trolley anti-collision device is installed on the top of one of the main beams 1; specifically, when the driving motor 17 is started, it drives the gear 6 to rotate, and the gear 6 rotates along the rack 5. Through the cooperation of the gear 6 and the rack 5, the control is more accurate when stopping. The rack 5 is lubricated by the felt gear 18. Specifically, the electromagnetic valve on the oil injection pipe 7 is started, so that the lubricating oil in the oil storage tank 9 enters the oil injection pipe 7, then flows out through the oil injection hole 8, and finally flows on the felt gear 18. When the trolley frame 3 moves on the rack 5, the felt gear 18 also moves on the rack 5, thereby lubricating the rack 5.

[0016] The anti-collision device includes two laser sensors 10, which are respectively installed on both sides of the top of the main beam 1. Receivers 11 are respectively installed at both ends of the side of the carriage 3 close to the laser sensors 10. Specifically, when the carriage 3 moves left and right along the main beam 1 and is about to move to both ends quickly, the laser sensor 10 transmits a signal to the receiver 11, causing the carriage 3 to stop working, thereby preventing the carriage 3 from colliding due to being unable to stop in time.

[0017] A bolt 12 is fixedly connected to the bottom of the laser sensor 10. The bolt 12 is installed on a horizontal plate 13. A vertical plate 14 is installed on one side of the bottom of the horizontal plate 13, and the vertical plate 14 is fixedly connected to the top of the main beam 1. A strip-shaped hole 15 is provided along the length direction of the top of the horizontal plate 13. The bolt 12 passes through the strip-shaped hole 15, and a fastening nut 16 is installed at the bottom of the horizontal plate 13 on the bolt 12. Specifically, by adjusting the position of the fastening nut 16 on the horizontal plate 13, the position where the carriage 3 stops working can be selected. The specific process is to loosen the fastening nut 16 to move the bolt 12 along the strip-shaped hole 15, thereby adjusting the position of the laser sensor 10.

[0018] An oil receiving groove 17 is installed on the top of the main beam 1 and at the bottom of the rack 5. Specifically, the oil receiving groove 17 is used to receive lubricating oil.

[0019] Baffles 19 are provided on both sides of the felt gear 18 on the horizontal part of the oil injection pipe 7. The baffles 19 can prevent the felt gear 18 from moving horizontally on the horizontal part of the oil injection pipe 7.

Claims

1. A crane traveling trolley with precise positioning, comprising two main beams arranged at intervals, both ends of the main beams are fixedly connected between two end beams, a trolley frame travels on each main beam, a mounting plate is installed between the two trolley frames, and a hoist is installed on the top of the mounting plate, and is characterized in that: The trolley frame is a cavity box structure with an open bottom. A rack is installed on the top of the main beam. A connecting shaft is rotatably connected to the trolley frame, and a gear is installed on the connecting shaft. A driving motor is installed on one of the connecting shafts. The gear meshes with the rack, and a lubrication device is arranged on the rack. The lubrication device includes a felt gear. The felt gear is connected with an oil injection pipe. The oil injection pipe is of an L-shaped structure. An electromagnetic valve is installed on the oil injection pipe. The felt gear is rotatably connected to the horizontal part of the oil injection pipe. An oil injection hole is opened on the horizontal part of the oil injection pipe. The vertical part of the oil injection pipe passes through the top plate of the trolley frame and extends upward. The oil injection pipe is connected with an oil storage tank. A trolley anti-collision device is installed on the top of one of the main beams.

2. The accurately positioned crane trolley according to claim 1, characterized in that: The anti-collision device includes two laser sensors, which are respectively installed on both sides of the top of the main beam. Receivers are respectively installed at both ends of the side of the trolley frame close to the laser sensors.

3. The accurately positioned crane trolley according to claim 2, characterized in that: The bottom of the laser sensor is fixedly connected with a bolt, and the bolt is installed on a horizontal plate. One side of the bottom of the horizontal plate is provided with a vertical plate, and the vertical plate is fixedly connected to the top of the main beam.

4. The accurately positioned crane trolley according to claim 3, characterized in that: A strip-shaped hole is arranged along the length direction of the top of the horizontal plate.

5. A crane trolley with precise positioning according to claim 4, characterized in that: The bolt passes through the strip-shaped hole, and a fastening nut is installed at the bottom of the horizontal plate and on the bolt.

6. The positioning-precise crane trolley according to claim 1, characterized in that: An oil receiving groove is installed on the top of the main beam and at the bottom of the rack.

7. The positioning-precise crane trolley according to claim 1, characterized in that: Baffles are arranged on both sides of the felt gear on the oil injection pipe.

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