CN204647228U - Ship lift pinion - Google Patents

Abstract

Ship lift pinion, comprise leading truck, leading truck is coupling on retainer, small gear is coupling in retainer by gear shaft, retainer is installed with running shaft, and this running shaft is coupling on swivel mount, and swivel mount is away from the end face of retainer being established a tubulose horizontal axis, one end near swivel mount on this horizontal axis is coupling in front swing arm, and the one end away from swivel mount is coupling in rear-swing arm; The relative displacement that the utility model makes small gear can adapt in the deflection of tooth bar in vertical surface, the torsion in horizontal plane and certain limit, ensure that the ideal between small gear with tooth bar engages.

Description

Ship lift pinion bracket

technical field

The utility model relates to the technical field of a ship lift, and relates to a driving device of a ship lift, in particular to a pinion bracket of a ship lift.

Background technique

Ship lift is a common construction project on river dams. It is a navigable structure that uses mechanical devices to lift ships to overcome the concentrated water level drop on the channel. The Three Gorges ship lift is a gear climbing type, and its operation mode is to use the gear rack to mesh, and the ship receiving box will move up and down along the rack through the rotation of the pinion. The rack is fixed on the reinforced concrete tower structure. Because the tower is affected by the ambient temperature and sunlight, the rack will deform and displace along with the tower. In order to always maintain the ideal mesh between the pinion and the rack, the small The gear carrier must be able to accommodate the various displacements of the rack.

Contents of the invention

The technical problem to be solved by the utility model is to provide a pinion bracket for a ship lift. The gear bracket can adapt to the relative displacement of the rack relative to the pinion in the three directions of X, Y, and Z in the space. The relative rotation in three directions and the combination of displacement and rotation can ensure the ideal mesh between the pinion and the rack, and can be used to transmit, monitor and limit the gear load.

In order to solve the above problems, the technical solution of the utility model is: the pinion bracket of the ship lift, which is characterized in that: guide frames are arranged on the guide rails on both sides of the rack, and the middle part of the guide frame is axially connected to the cage. The pinion is connected to the cage through the gear shaft, and a vertical shaft is fixed on both ends of the cage perpendicular to the gear shaft. One end of the rotating frame is connected to the cage through the vertical shaft, and the rotating frame is far away from the holding frame A tubular horizontal shaft is fixedly connected to the middle of the end face of the frame, on which the end close to the rotating frame is pivotally connected to the front swing arm, and the end far away from the rotating frame is pivotally connected to the rear swing arm;

A first bearing seat is fixed on both sides of the upper end of the front swing arm, a right connecting rod is arranged below the front swing arm, and a first hinge hole is fixed on both sides of the upper end of the right connecting rod. The shaft of the hinged hole is connected to the first bearing seat; the two sides of the lower end of the right connecting rod are fixed with the second hinged hole, and the shaft of the hinged hole is connected to the first strand, and the first hinged hole Twisted and fixed on the ship's box;

A bottom beam is arranged between the first strands, and one end of the bottom beam is pivotally connected to the first strands.

A second bearing seat is fixed on both sides of the upper end of the rear swing arm, a left link is arranged below the rear swing arm, and a third hinge hole is fixed on both sides of the upper end of the left link. And the hinged hole is connected to the second bearing seat; the fourth hinged hole is fixed on both sides of the lower end of the left connecting rod; the hinged hole is connected to the middle part of the bottom beam;

The other end of the bottom cross beam is pivotally connected to one end of a hydraulic gas spring, and the hydraulic gas spring is pivotally connected to a hydraulic gas spring support, and the hydraulic gas spring support is fixedly connected to the ship-carrying box.

The gear shaft and the cage are connected through self-aligning bearings.

The two ends of one end surface of the guide frame close to the guide rail are fixedly connected with elastic supports, and the inner guide wheels are connected to the elastic support shaft, and a section of right-angle bracket is extended from the upper and lower ends of the side surface of the end surface to the outside of the guide rail. And the end of the bracket extends over the back of the guide rail, an eccentric shaft is fixed at the end perpendicular to the bracket, and an outer guide wheel is pivotally connected to the eccentric shaft.

The distance from the axis of the vertical shaft to the axis of the first bearing seat is equal to the distance from the axis of the first bearing seat to the axis of the second bearing seat; the distance from the axis of the first bearing seat to the axis of the second bearing seat is the same as the distance from the axis of the second bearing seat to the axis of the spring bracket distances are equal.

The technical effect after adopting the utility model is: the pinion is connected in the cage through the shaft of the gear shaft, and the rotating shaft is fixed on the two ends of the cage perpendicular to the gear shaft, and one end of the rotating frame is connected to the shaft through the rotating shaft. On the cage, this structure constitutes the universal bracket of the gear, so that the pinion can adapt to the deflection of the rack in the vertical plane and the torsion in the horizontal plane, ensuring the ideal meshing between the pinion and the rack.

The tubular horizontal shaft on the swivel frame is located and pivotally connected to the front and rear swing arms, and the lateral relative displacement of the ship compartment along the axial direction of the tubular horizontal shaft can be adapted by the deflection of the front and rear swing arms.

The front guide wheel on the guide frame adopts elastic support, and the reverse guide wheel is pivoted through the eccentric shaft. This connection method can precisely adjust the relative position of the gear and the rack by rotating the eccentric shaft during installation, so as to ensure that the load point of the pinion is on the pitch circle during the entire stroke; the reverse guide wheel can also be used to bear The horizontal component of the gear-rack meshing force.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the three-dimensional structural diagram of the present utility model;

Fig. 2 is the front view of the utility model;

Fig. 3 is a side view of the utility model guide frame;

Fig. 4 is a partial three-dimensional structure diagram of the bottom beam and the hydraulic gas spring of the utility model.

Detailed ways

As shown in Figures 1 and 2: the ship lift pinion bracket, the guide frame 7 is arranged on the guide rails 901 on both sides of the rack 9, the middle part of the guide frame 7 is pivotally connected to the cage 12, and the pinion 2 passes through The gear shaft 201 is axially connected in the cage 12, and a vertical shaft 301 is fixed on both ends of the cage 12 perpendicular to the gear shaft 201, and one end of the rotating frame 1 is connected to the cage 12 through the vertical shaft 301, so A tubular horizontal shaft 101 is fixedly connected to the middle part of the end face of the swivel frame 1 far away from the cage 12. On the horizontal shaft 101, one end close to the swivel frame 1 is pivotally connected to the front swing arm 10, and the end shaft far away from the swivel frame 1 is connected to the rear swing arm 11;

A first bearing seat 1001 is fixed on both sides of the upper end of the front swing arm 10, and a right connecting rod 6 is arranged below the front swing arm 10, and a second bearing seat 1001 is fixed on both sides of the upper end of the right connecting rod 6. A reaming hole 601, which is pivotally connected to the first bearing seat 1001; a second reaming hole 602 is fixed on both sides of the lower end of the right connecting rod 6, and the pivot of the reaming hole 602 is connected to the On the first strand 8, the first strand 8 is fixedly connected to the vessel;

A bottom beam 3 is arranged between the first strands 8 , and one end of the bottom beam 3 is pivotally connected to the first strands 8 .

A second bearing seat 1101 is fixed on both sides of the upper end of the rear swing arm 11, and a left connecting rod 5 is arranged below the rear swing arm 11, and a second bearing seat 1101 is fixed on both sides of the upper end of the left connecting rod 5. Three hinged holes 501, and the hinged holes 501 are pivotally connected to the second bearing seat 1101; the fourth hinged holes 502 are fixed on both sides of the lower end of the left connecting rod 5; the hinged holes 502 are pivotally connected in the middle of the bottom beam 3;

The other end of the bottom beam 3 is pivotally connected to one end of the hydraulic gas spring 4, and the hydraulic gas spring is pivotally connected to a hydraulic gas spring support 401, and the hydraulic gas spring support 401 is fixedly connected to the vessel.

One end of the piston rod of its liquid-pneumatic spring is fixedly connected with hanger 404, is fixedly provided with hanger 4041 below its hanger, and its hanger shaft is connected to an end of bottom beam 3.

The gear shaft 201 is connected to the cage 12 through self-aligning bearings.

The two ends of one end surface of the guide frame 7 close to the guide rail 901 are fixedly connected with an elastic support 704, and the inner guide wheel 702 is connected to the elastic support shaft, extending from the upper and lower ends of the side surface of the end surface to the outside of the guide rail 901. A section of right-angle bracket 703 is provided, and the end of the bracket 703 extends over the back of the guide rail 901. An eccentric shaft 705 is fixed at the end perpendicular to the bracket, and an outer guide wheel 701 is pivotally connected to the eccentric shaft 705.

The distance from the axis of the vertical shaft 301 to the axis of the first bearing seat 1001 is equal to the distance from the axis of the first bearing seat 1001 to the axis of the second bearing seat 1101; the distance from the axis of the first bearing seat 1001 to the axis of the second bearing seat 1101 is the same The distance from the axis of seat 1101 to the axis of spring support 401 is equal.

When in use; the pinion 2 is axially connected to the cage 12 through the gear shaft 201, and the two ends of the cage 12 perpendicular to the gear shaft 201 are fixed with a rotating shaft 301, and one end of the rotating frame 1 is connected to the shaft through the rotating shaft 301. On the cage 12, this structure constitutes the universal bracket of the gear, so that the pinion can adapt to the skew of the rack in the vertical plane and the twist in the horizontal plane, ensuring the ideal meshing between the pinion and the rack.

The tubular horizontal shaft 101 on the swivel frame 1 is located in the front and rear swing arms 11, and the lateral relative displacement of the cabin along the axial direction of the tubular horizontal shaft 101 can be adapted by the deflection of the front and rear swing arms 11.

The front guide wheel 702 on its guide frame 7 adopts elastic support, and the back guide wheel 701 is pivotally connected by an eccentric shaft. This connection method can precisely adjust the relative position of the gear and the rack by rotating the eccentric shaft during installation, so as to ensure that the load point of the pinion is on the pitch circle during the entire stroke; the reverse guide wheel 701 can also be used for Bearing the horizontal component force of gear and rack meshing force.

The vertical load of the pinion 2 is transmitted to the rear swing arm 11 in a ratio of 1:1, and then to the hydraulic gas spring 4 oil cylinder in a ratio of 2:1. The hydraulic gas spring 4 oil cylinder is the load limiting device of the pinion 2. When the load of the pinion 2 is less than the initial load of the spring deformation determined by the oil pressure of the accumulator, the piston is pressed against one end of the oil cylinder by the oil pressure, and the hydraulic gas spring maintains the initial position. , when the gear load exceeds the initial load of the spring deformation, the volume of the accumulator air bag shrinks, and the oil in the oil cylinder enters the accumulator, causing the displacement of the pressed piston, thereby relieving the load of the pinion 2.

Claims (4)

1. The pinion bracket of the ship lift is characterized in that a guide frame (7) is arranged on the guide rails (901) on both sides of the rack (9), and the middle part of the guide frame (7) is axially connected to the cage ( 12), the pinion (2) is pivotally connected to the cage (12) through the gear shaft (201), and a vertical shaft (301) is fixed on both ends of the cage (12) perpendicular to the gear shaft (201). , one end of the rotating frame (1) is pivotally connected to the cage (12) through the vertical shaft (301), and a tubular horizontal shaft is affixed to the middle of the end face of the rotating frame (1) away from the cage (12) (101), on the horizontal axis (101), one end close to the swivel frame (1) is pivotally connected to the front swing arm (10), and one end away from the swivel frame (1) is pivotally connected to the rear swing arm (11); A first bearing seat (1001) is fixed on both sides of the upper end of the front swing arm (10), and a right connecting rod (6) is arranged under the front swing arm (10), and the right connecting rod (6 The two sides of the upper end of ) are fixed with the first hinge hole (601), and the hinge hole (601) is connected to the first bearing seat (1001); the two sides of the lower end of the right connecting rod (6) are fixed A second reaming hole (602) is provided, and the axis of the reaming hole (602) is connected to the first strand (8), and the first strand (8) is fixedly connected to the ship-bearing box; A bottom beam (3) is provided between the first strands (8), and one end of the bottom beam (3) is axially connected to the first strand (8); A second bearing seat (1101) is fixed on both sides of the upper end of the rear swing arm (11), and a left connecting rod (5) is arranged below the rear swing arm (11), and the left connecting rod (5 ) is fixed with a third reaming hole (501) on both sides of the upper end, and the reaming hole (501) is axially connected to the second bearing seat (1101); the two sides of the lower end of the left connecting rod (5) A fourth reaming hole (502) is fixed; the axis of the reaming hole (502) is connected to the middle part of the bottom beam (3); The other end of the bottom beam (3) is axially connected to one end of the hydraulic gas spring (4), and the hydraulic gas spring is axially connected to the hydraulic gas spring bracket (401), which is fixed to the bearing On board. 2. The ship lift pinion bracket according to claim 1, characterized in that: the gear shaft (201) and the cage (12) are connected by self-aligning bearings. 3. The ship lift pinion bracket according to claim 1, characterized in that elastic supports (704) are fixedly connected to the two ends of the guide frame (7) close to one end surface of the guide rail (901), An inner guide wheel (702) is connected to the elastic support shaft, and a right-angle bracket (703) extends out from the upper and lower ends of the side of the end surface to the guide rail (901), and the end of the bracket (703) extends over On the back side of the guide rail (901), an eccentric shaft (705) is fixed at the end perpendicular to the bracket, and an outer guide wheel (701) is pivotally connected to the eccentric shaft (705). 4. The ship lift pinion bracket according to claim 1, characterized in that the distance from the axis of the vertical shaft (301) to the axis of the first bearing seat (1001) is the same as the distance from the axis of the first bearing seat (1001) to the axis of the second bearing seat (1001). The distance from the axis of the bearing seat (1101) is equal; the distance from the axis of the first bearing seat (1001) to the axis of the second bearing seat (1101) is equal to the distance from the axis of the second bearing seat (1101) to the axis of the spring bracket (401).