CN214989929U - Friction type balance drum device for ship lift - Google Patents
Friction type balance drum device for ship lift Download PDFInfo
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- CN214989929U CN214989929U CN202120767768.7U CN202120767768U CN214989929U CN 214989929 U CN214989929 U CN 214989929U CN 202120767768 U CN202120767768 U CN 202120767768U CN 214989929 U CN214989929 U CN 214989929U
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Abstract
The utility model provides a balanced reel device of friction formula for ship lift. The balance winding drum device comprises a friction type balance winding drum and a plurality of gravity balance ropes wound on the friction type balance winding drum; the two ends of the friction type balance winding drum are respectively provided with a safety brake, the middle of the winding drum body of the friction type balance winding drum is provided with a straight rope groove, the two sides of the straight rope groove are symmetrically provided with a right-handed spiral rope groove and a left-handed spiral rope groove, the gravity balance ropes are wound in the corresponding rope grooves, one end of each gravity balance rope is connected with the ship chamber through a balance oil cylinder, and the other end of each gravity balance rope is connected with a gravity balance weight. The utility model provides a sufficient braking force makes the balanced reel of gravity not take place to rotate, and the balanced wire rope of gravity does not take place to skid, fixes the cabin in the braking position, adapts to the calculation operating mode that ship lift water leaks out, and is more reliable in the security.
Description
Technical Field
The utility model relates to hydraulic and hydroelectric engineering field is a balanced reel device of friction formula for ship lift more particularly.
Background
On ship lifts for hydraulic and hydroelectric engineering, steel wire rope balance pulley blocks are generally used to connect the ship box and the gravity balance weight, i.e. each steel wire rope (weight balance rope) connected to the ship box is connected to a single balance weight by passing around the balance pulley. In the design of a traditional ship lift, only the normal working condition is generally considered, and for engineering projects with higher requirements, the water leakage accident is definitely required to be defensed in the design. The water leakage condition refers to that the water leakage condition of the ship chamber occurs after the ship lift has major operation accidents until the water in the ship chamber leaks, at the moment, the whole weight of the ship chamber is greatly reduced, the braking force provided by the traditional balance pulley block is not enough to meet the braking requirement of the water falling calculation condition, and the ship chamber can be quickly lifted upwards under the condition of not enough braking force, so that more serious impact accidents occur.
Disclosure of Invention
The utility model discloses weak point to among the prior art, and provide a balanced reel device of friction formula for ship lift, this reel device can provide sufficient brake force, makes the balanced reel of gravity not take place to rotate, and the balanced wire rope of gravity does not take place to skid, fixes the cabin in the braking position, satisfies the braking requirement of the calculation operating mode that ship lift cabin water fell to the air.
In order to achieve the technical purpose, the utility model provides a friction type balance reel device for a ship lift, which comprises a friction type balance reel and a plurality of gravity balance ropes wound on the friction type balance reel; the two ends of the friction type balance winding drum are respectively provided with a safety brake, the middle of the winding drum body of the friction type balance winding drum is provided with a straight rope groove, the two sides of the straight rope groove are symmetrically provided with a right-handed spiral rope groove and a left-handed spiral rope groove, the gravity balance ropes are wound in the corresponding rope grooves, one end of each gravity balance rope is connected with the ship chamber through a balance oil cylinder, and the other end of each gravity balance rope is connected with a gravity balance weight.
The utility model discloses further technical scheme: the friction type balance drum comprises a drum body, a drum shaft and bearing supports symmetrically arranged at two ends of the drum shaft, two ends of the drum shaft are respectively and rotatably connected with the bearing supports through bearings, and the safety brake is arranged at a position, close to the bearing supports, of the drum shaft; and shaft end baffles are arranged on the outer sides of the two bearing supports.
The utility model discloses better technical scheme: the balance oil cylinder is a hydraulic oil cylinder comprising a piston rod and a cylinder body, an upper bearing plate and a lower bearing plate are respectively arranged on the piston rod and the cylinder body, a plurality of locking screw rods are uniformly distributed in the circumferential direction of the hydraulic oil cylinder, and two ends of each locking screw rod are respectively connected with the upper bearing plate and the lower bearing plate through an upper locking nut and a lower locking nut.
The utility model discloses better technical scheme: the gravity balance rope adopts gravity balance wire rope, is equipped with 11, is equipped with five spiral grooving respectively in the straight grooving both sides of the reel body, one of them winding of gravity balance rope is in the straight grooving at reel body middle part, in the dextrorotation spiral grooving and the levogyration spiral grooving of ten symmetrical winding both sides in addition, and every gravity balance rope respectively twines 2.5 circles in the grooving that corresponds.
The utility model discloses better technical scheme: the safety brake adopts a hydraulic disc brake, and the brake is switched on through a disc spring and is released hydraulically; the safety brake on each side comprises a brake disc connected to the end part of the winding drum body, brake brackets symmetrically arranged on two sides of the brake disc and eight brake heads symmetrically distributed on the two brake brackets; the brake disc is connected with the winding drum body through a shear sleeve and a bolt
The utility model discloses an equalizing cylinder adopts patent number CN 201220708558.1's utility model patent a ship lift wire rope hydraulic pressure equalizing device with mechanical locking function.
The utility model has simple structure and reliable technology, the ship lift cage is lifted or lowered by the winding of the gravity steel wire rope driven by the rotation of the winding drum, and the gravity steel wire rope is connected with the ship cage by the equalizing oil cylinder, so that the tension of the steel wire rope can be equalized; the brake torque provided by the brake discs on the two sides of the winding drum can fix the winding drum, so that the winding drum is prevented from rotating after the ship compartment is braked; the steel wire rope on the winding drum has larger friction force with the rope groove directly, so that the steel wire rope can be prevented from slipping after the winding drum is braked in the ship compartment. The utility model provides a sufficient braking force makes the balanced reel of gravity not take place to rotate, and the balanced wire rope of gravity does not take place to skid, fixes the cabin in the braking position, adapts to the calculation operating mode that ship lift water leaks out, and is more reliable in the security.
Drawings
Fig. 1 is a schematic view of the overall side structure of the present invention;
fig. 2 is a schematic front structural view of the present invention;
FIG. 3 is a side schematic view of the friction balance drum safety brake of the present invention;
fig. 4 is a schematic view of the rope groove of the drum of the present invention.
In the figure: 1-friction type balance winding drum, 100-straight rope groove, 101-right-handed spiral rope groove, 102-left-handed spiral rope groove, 103-winding drum body, 104-shaft end baffle, 105-winding drum shaft, 106-bearing support, 107-bearing, 2-gravity balance rope, 3-balance oil cylinder, 4-safety brake, 400-brake support, 401-brake head, 402-brake disc, 5-balance weight, 6-cabin and 7-concrete support.
Detailed Description
The present invention will be further explained with reference to the drawings and examples. Fig. 1 to 4 are drawings of the embodiment, which are drawn in a simplified manner and are only used for clearly and concisely illustrating the purpose of the embodiment of the present invention. The following detailed description of the embodiments of the present invention is presented in the drawings and is not intended to limit the scope of the invention as claimed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Embodiments provide a friction type balancing drum device for a ship lift, as shown in fig. 1, 2 and 4, the balancing drum device including a friction type balancing drum 1 and eleven gravity balancing ropes 2 wound on the friction type balancing drum 1; the friction type balance reel 1 comprises a reel body 103 and bearing supports 106 symmetrically arranged at two ends of the reel shaft 105, wherein two ends of the reel shaft 105 are rotatably connected with the bearing supports 106 through bearings 107 respectively, shaft end baffles 104 are arranged on the outer sides of the two bearing supports 106, safety brakes 4 are arranged at two ends of the friction type balance reel 1 respectively, and the safety brakes 4 are arranged at positions, close to the bearing supports 106, of the reel shaft 105. The barrel of the barrel 103 that the balanced reel of friction formula 1 adopted welded structure, took the grooving has seted up straight grooving 100 at barrel 103 middle part, is equipped with five spiral grooving 101 of turning right and five spiral grooving 102 of turning left in the bilateral symmetry of straight grooving 100, the balanced rope of gravity 2 adopts the balanced wire rope of gravity, and one of them winding is in the straight grooving 100 at barrel 103 middle part, and five correspond the winding at spiral grooving 101 of turning right, and five correspond in the spiral grooving 102 of winding turning left in addition, and every balanced rope of gravity 2 respectively twines 2.5 circles in the grooving that corresponds. One end of each gravity balance rope 2 is connected with the ship chamber 6 through the balance oil cylinder 3, and the other end is connected with the gravity balance weight 5.
The balance oil cylinder 3 in the embodiment adopts a hydraulic balance device of a ship lift steel wire rope with a mechanical locking function disclosed in patent number CN201220708558.1, and specifically comprises a piston rod and a hydraulic oil cylinder of a cylinder body, wherein an upper bearing plate and a lower bearing plate are respectively arranged on the piston rod and the cylinder body, a plurality of locking screws are uniformly distributed in the circumferential direction of the hydraulic oil cylinder, and two ends of each locking screw are respectively connected with the upper bearing plate and the lower bearing plate through an upper locking nut and a lower locking nut; the tension of the steel wire rope can be balanced by the balancing oil cylinder 3.
The safety brake 4 in the embodiment adopts a hydraulic disc brake, the brake is switched on and off through a disc spring, and is intensively operated by a set of hydraulic station arranged in the middle of a machine room, and the hydraulic station is connected with the brake through a pipeline; the safety brake 4 on each side, as shown in fig. 3, includes a brake disc 402 attached to an end of the spool body 103, brake brackets 400 symmetrically disposed on both sides of the brake disc 402, and eight brake heads 401 symmetrically distributed on the two brake brackets 400. The brake disc 402 is connected with the winding drum body 103 through a shear sleeve and a bolt
When the utility model is used, as shown in fig. 1, the friction type balance reel 1 is positioned on the concrete support 7 at the upper end of the tower column of the ship lift through the bearing support 106 and is fixed; the bearing 107 is connected with the bearing support 106 and fixes the winding drum shaft 105; the winding drum body 103 is fixedly connected with a winding drum shaft 105, and the winding drum shaft 105 rotates around a bearing to drive the winding drum body 103 to rotate along the axis; the gravity balance rope 2 is wound on the rope groove of the drum body 103, 11 gravity balance steel wire ropes are wound on a single balance drum, the middle steel wire rope adopts a straight rope groove, the two sides adopt right-handed and left-handed spiral rope grooves respectively, and 5 gravity balance ropes on the left side and the right side are wound on the drum for 2.5 circles respectively and share the rope groove of the working circle. One end of each gravity balance rope 2 is connected with the ship chamber 6, and the other end is connected with the balance weight 5, when the utility model works, the gravity balance ropes 2 are driven to wind by the rotation of the winding drum body 103 to lift or lower the ship chamber 6 of the ship lift, the gravity balance ropes 2 are connected with the ship chamber 6 by the balance oil cylinders 3, and the tension of the steel wire rope can be balanced; the braking torque provided by the safety brakes 4 on the two sides of the winding drum can fix the winding drum, so that the winding drum is prevented from rotating after being braked by the ship chamber 6; the gravity balance rope 2 on the drum body 103 directly has larger friction with the rope groove, so that the slipping of the gravity balance rope 2 after the drum is braked in the ship chamber 6 can be avoided.
The utility model provides a sufficient braking force makes the balanced reel of gravity not take place to rotate, and the balanced wire rope of gravity does not take place to skid, fixes the cabin in the braking position, adapts to the calculation operating mode that ship lift water leaks out, and is more reliable in the security.
To sum up, for the utility model discloses an embodiment of listing, nevertheless the utility model discloses not only be limited to above-mentioned embodiment, as long as reach with any same or similar means the technical effect of the utility model, all should belong to the scope of the protection of the utility model.
Claims (5)
1. A friction type balance drum device for a ship lift is characterized in that: the balance winding drum device comprises a friction type balance winding drum (1) and a plurality of gravity balance ropes (2) wound on the friction type balance winding drum (1); the two ends of the friction type balance winding drum (1) are respectively provided with a safety brake (4), the middle of a winding drum body (103) of the friction type balance winding drum (1) is provided with a straight rope groove (100), a right-handed spiral rope groove (101) and a left-handed spiral rope groove (102) are symmetrically arranged on two sides of the straight rope groove (100), a plurality of gravity balance ropes (2) are wound in the corresponding rope grooves, one end of each gravity balance rope (2) is connected with a cabin (6) through a balance oil cylinder (3), and the other end of each gravity balance rope is connected with a gravity balance weight (5).
2. A friction balance drum assembly for a ship lift as defined in claim 1 wherein: the friction type balance drum (1) comprises a drum body (103), a drum shaft (105) and bearing supports (106) symmetrically arranged at two ends of the drum shaft (105), two ends of the drum shaft (105) are respectively and rotatably connected with the bearing supports (106) through bearings (107), the safety brake (4) is arranged at a position, close to the bearing supports (106), of the drum shaft (105), and a spoke drum is connected with a brake disc (107) through a shear sleeve and a bolt; and shaft end baffles (104) are arranged on the outer sides of the two bearing supports (106).
3. A friction type balance drum device for a ship lift according to claim 1 or 2, wherein: the balance oil cylinder (3) is a hydraulic oil cylinder comprising a piston rod and a cylinder body, an upper bearing plate and a lower bearing plate are respectively arranged on the piston rod and the cylinder body, a plurality of locking screw rods are uniformly distributed in the circumferential direction of the hydraulic oil cylinder, and two ends of each locking screw rod are respectively connected with the upper bearing plate and the lower bearing plate through an upper locking nut and a lower locking nut.
4. A friction type balance drum device for a ship lift according to claim 1 or 2, wherein: the gravity balance rope (2) adopts a gravity balance steel wire rope and is provided with 11 steel wire ropes, five spiral rope grooves (101) are respectively arranged on two sides of a straight rope groove (100) of a winding drum body (1), one of the gravity balance rope (2) is wound in the straight rope groove (100) in the middle of the winding drum body (103), in addition, right-handed spiral rope grooves (101) and left-handed spiral rope grooves (102) on two sides are symmetrically wound, and each gravity balance rope (2) is wound for 2.5 circles in the corresponding rope groove.
5. A friction balance drum assembly for a ship lift as defined in claim 2 wherein: the safety brake (4) adopts a hydraulic disc brake, and the brake is switched on through a disc spring and is released hydraulically; the safety brake (4) on each side comprises a brake disc (402) connected to the end part of the winding drum body (103), brake brackets (400) symmetrically arranged on two sides of the brake disc (402) and eight brake heads (401) symmetrically distributed on the two brake brackets (400); the brake disc (402) is connected with the winding drum body (103) through a shear sleeve and a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120767768.7U CN214989929U (en) | 2021-04-14 | 2021-04-14 | Friction type balance drum device for ship lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120767768.7U CN214989929U (en) | 2021-04-14 | 2021-04-14 | Friction type balance drum device for ship lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214989929U true CN214989929U (en) | 2021-12-03 |
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ID=79136955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120767768.7U Active CN214989929U (en) | 2021-04-14 | 2021-04-14 | Friction type balance drum device for ship lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214989929U (en) |
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2021
- 2021-04-14 CN CN202120767768.7U patent/CN214989929U/en active Active
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