CN115030111A

CN115030111A - Automatic throwing and withdrawing device for lock beam of gate door of pumped storage power station

Info

Publication number: CN115030111A
Application number: CN202210843203.1A
Authority: CN
Inventors: 王以军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-09-09

Abstract

The invention relates to the technical field of power station gates, in particular to an automatic throwing and withdrawing device for a gate locking beam of a pumped storage power station, which solves the defects of time and labor waste in the process of throwing and withdrawing the locking beam in the prior art and comprises the locking beam and the gate, lock rods are respectively connected inside two sides of the locking beam through bearings, a connecting cylinder is fixed in the middle of the locking beam through a bolt, a push rod is sleeved outside the connecting cylinder, a switching shaft is connected inside the connecting cylinder through a bearing, and a reset rod is clamped at one end of the switching shaft, which is positioned inside the push rod. The lock tongue can be withdrawn from the lock groove of the gate, so that the labor is saved.

Description

Automatic throw-in and withdraw device for lock beam of gate of pumped storage power station

Technical Field

The invention relates to the technical field of power station gates, in particular to an automatic throwing and withdrawing device for a lock beam of a gate of a pumped storage power station.

Background

When the steel gate of the pumped storage power station is overhauled, the maintenance locking beam needing manual input generally needs manual lifting operation, when the gate is lifted to the set height, two or more operators stand beside a gate well, and the locking beam is manually lifted into the gate clamping groove and respectively rotates the locking rod to lock. When the lock needs to be withdrawn after the maintenance is finished, the gate is lifted by a little height, when the load of the gate is completely borne by the hoist and is separated from the lock-releasing timing, an operator stands beside the gate well slot, and the locking beam is lifted out of the gate slot after the locking rod is manually rotated to unlock, so that the lock is withdrawn.

The operation mode has the defects that the locking rods on two sides need to be synchronously operated when a person moves the locking beam, so that the operation is difficult.

Disclosure of Invention

The invention aims to solve the defects of time and labor waste when the locking beam is thrown and withdrawn in the prior art, and provides an automatic throwing and withdrawing device for the locking beam of a pumped storage power station gate.

In order to achieve the purpose, the invention adopts the following technical scheme:

the automatic throwing and withdrawing device for the lock beam of the gate door of the pumped storage power station comprises a lock beam and a gate, lock rods are respectively connected to the inner parts of two sides of the lock beam through bearings, a connecting cylinder is fixed in the middle of the lock beam through a bolt, a push rod is sleeved outside the connecting cylinder, a switching shaft is connected to the inner part of the connecting cylinder through a bearing, and a reset rod is clamped at one end of the switching shaft, which is positioned in the push rod;

the gate comprises a beam body, and lock grooves and throw-retreat switching grooves corresponding to the lock rod and the push rod are respectively formed in the two sides and the middle of the beam body.

Preferably, the connecting cylinder comprises a hollow cylinder body and a fixing ring welded to the outer side of the end portion of the cylinder body, the fixing ring is fixed with the bottom of the locking beam through a bolt, and the other end of the connecting cylinder is further provided with four switching grooves in arc shape.

Preferably, the push rod comprises a rod body which is arranged in a hollow mode, the inner side of the end portion of the rod body is welded with a guide rail, the inner wall of the rod body is welded with a partition plate which is arranged in a hollow mode, and the other end of the rod body is fixedly connected with a push head which corresponds to the switching groove in a sleeved mode.

Preferably, the end part of the guide rail is provided with a strip-shaped delivery groove and an inclined withdrawing groove in a crossed distribution manner.

Preferably, the switching shaft comprises a rotating rod with an end part penetrating through the connecting cylinder and the outer side of the top of the locking beam, a sliding head is welded at the end part of the rotating rod, sliding claws are welded on the periphery of the sliding head, and four limiting plates are uniformly distributed on the surface of the other end of the rotating rod.

Preferably, the locking roof beam top is located bull stick outside bearing and is connected with the sprocket, and the inner wall of sprocket sets up the guide slot that corresponds with the limiting plate, two the sprocket has also been cup jointed in the tip outside of locking lever, has cup jointed drive chain between the three sprocket.

Preferably, the reset rod comprises a top rod of which the end part is inserted at the end of the switching shaft, a pressing plate is welded outside one end of the top rod close to the switching shaft, and a reset spring is sleeved outside the top rod.

Preferably, the lock rod comprises a lock body and a lock tongue fixed at the end part of the lock body through a bolt, the lock groove is a semicircle with a strip-shaped groove formed at the top, and the lock tongue corresponds to the lock groove.

Compared with the prior art, the invention has the beneficial effects that:

according to the automatic throwing and withdrawing mechanism for the locking beam, provided by the invention, two locking rods can be automatically driven to rotate by 45 degrees only by moving the locking beam by an operator and inserting the push rod into the throwing and withdrawing switching groove on the gate, so that the function of automatically locking the gate is achieved, when unlocking is required, the locking beam is also moved to enable the push rod to sink for a certain distance in the throwing and withdrawing switching groove and lift up, so that the locking rods can rotate by 45 degrees again, the lock tongues can exit from the locking groove of the gate, and the labor is saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of an automatic locking beam switching device of a pumped storage power station gate provided by the invention;

fig. 2 is a schematic view of a gate top view structure of the automatic locking beam feeding and withdrawing device for the gate of the pumped storage power station;

fig. 3 is a schematic view of a partial cross-sectional structure of an automatic locking beam feeding and withdrawing device for a pumped storage power station gate provided by the invention;

fig. 4 is a schematic view of a local explosion structure of the automatic locking beam switching device of the pumped storage power station gate lock provided by the invention;

fig. 5 is a schematic cross-sectional structural view of a push rod of the automatic locking beam feeding and withdrawing device of the pumped storage power station gate lock provided by the invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a locking beam; 2. a gate; 3. a lock lever; 4. a connecting cylinder; 5. a push rod; 6. a switching shaft; 7. a drive chain; 8. a reset lever;

21. a beam body; 22. switching on and off the switching groove; 23. locking the groove;

31. a lock body; 32. a latch bolt;

41. a cylinder body; 42. a fixing ring; 43. switching a slot;

51. a rod body; 52. a guide rail; 53. a partition plate; 54. pushing the head;

61. a rotating rod; 62. sliding the head; 63. a sliding claw; 64. a limiting plate;

81. a top rod; 82. pressing a plate; 83. a return spring;

521. a delivery slot; 522. and (4) withdrawing from the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a first embodiment of the invention provides an automatic throw-back device for a lock beam of a pumped storage power station gate, which comprises a lock beam 1 and a gate 2, wherein lock rods 3 are respectively connected to the insides of two sides of the lock beam 1 through bearings, a connecting cylinder 4 is fixed in the middle of the lock beam 1 through a bolt, a push rod 5 is sleeved outside the connecting cylinder 4, a switching shaft 6 is connected to the inside of the connecting cylinder 4 through a bearing, and a reset rod 8 is clamped at one end of the switching shaft 6, which is positioned inside the push rod 5;

the gate 2 comprises a beam body 21, two sides and the middle of the beam body 21 are respectively provided with a lock groove 23 and a switching groove 22, the lock rod 3 comprises a lock body 31 and a lock tongue 32 fixed at the end part of the lock body 31 through a bolt, the lock groove 23 is a semicircle with a strip-shaped groove at the top, the lock tongue 32 corresponds to the lock groove 23, and the other end of the rod body 51 is fixedly sleeved with a push head 54 corresponding to the switching groove 22;

the connecting cylinder 4 comprises a hollow cylinder body 41 and a fixing ring 42 welded on the outer side of the end part of the cylinder body 41, the connecting cylinder is fixed with the bottom of the locking beam 1 through the fixing ring 42 by bolts, the other end of the connecting cylinder 4 is also provided with four arc-shaped switching grooves 43, the push rod 5 comprises a hollow rod body 51, the inner side of the end part of the rod body 51 is welded with a guide rail 52, the inner wall of the rod body 51 is welded with a hollow clapboard 53, the end part of the guide rail 52 is crossly distributed with a strip-shaped delivery groove 521 and an inclined withdrawing groove 522, the switching shaft 6 comprises a rotating rod 61 with the end part penetrating through the connecting cylinder 4 and the outer side of the top part of the locking beam 1, the end part of the rotating rod 61 is welded with a sliding head 62, the periphery of the sliding head 62 is welded with sliding claws 63, the other end surface of the rotating rod 61 is uniformly distributed with four limiting plates 64, the top part of the locking beam 1 is positioned outside the rotating rod 61 and is connected with a chain wheel by a bearing, and the inner wall of sprocket has seted up the guide slot that corresponds with limiting plate 64, and the tip outside of two locking levers 3 has also cup jointed the sprocket, has cup jointed drive chain 7 between the three sprocket, and release link 8 includes that the tip inserts the ejector pin 81 of establishing at switching shaft 6 end, and the one end outside welding that ejector pin 81 is close to switching shaft 6 has clamp plate 82, and the outside of ejector pin 81 still overlaps and is equipped with reset spring 83.

The working principle is as follows: when an operator moves the locking beam 1 to be arranged at the top of the gate 2, the pushing head 54 at the end of the pushing rod 5 is firstly inserted into the switching groove 22 of the gate 2, and the lock tongue 32 at the end of the lock rod 3 is inserted into the lock groove 23 of the gate 2, at this time, the pushing head 54 drives the pushing rod 5 to upwards compress the return spring 83 outside the return rod 8, and simultaneously, the return rod 8 is used for jacking the switching shaft 6, when the switching shaft 6 is lifted, the sliding claw 63 outside the sliding head 62 is subjected to the effect of the switching groove 43 at the end of the connecting cylinder 4 to generate 45-degree deviation, and further, in the process of driving the switching shaft 6 to rotate at 45 degrees, the limiting plate 64 is used for driving the chain wheel sleeved outside the switching shaft to rotate, and further, the drive the lock tongue 32 at the end of the lock rod 3 to synchronously rotate at 45 degrees through the transmission chain 7, so as to achieve the function of automatically locking the gate 2, at this time, the locking beam 1 is lifted again, so as to lift the gate 2, and in the lifting process, reset spring 83 can reset push rod 5 and make sliding pawl 63 put into the delivery groove 521 of guide rail 52, when needs unblock locking lever 3, sink locking beam 1 once more and can let locking lever 3 rotate 45 degrees once more to make sliding pawl 63 enter into the groove 522 that withdraws from of push rod 5, drive two locking levers 3 and rotate once more in step, finally realize that spring bolt 32 withdraws from the locked groove 23 of gate 2, the practicality is strong.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically coupled, may be directly coupled, or may be indirectly coupled through an intermediary. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention are understood according to specific situations. In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Claims

1. The automatic throw-withdraw device for the lock beam of the gate door of the pumped storage power station comprises a lock beam (1) and a gate (2), and is characterized in that the insides of two sides of the lock beam (1) are respectively connected with a lock rod (3) through bearings, the middle of the lock beam (1) is fixedly provided with a connecting cylinder (4) through bolts, the outside of the connecting cylinder (4) is sleeved with a push rod (5), the inside of the connecting cylinder (4) is connected with a switching shaft (6) through a bearing, and one end of the switching shaft (6), which is positioned inside the push rod (5), is clamped with a reset rod (8);

the gate (2) comprises a beam body (21), and lock grooves (23) and throwing-retreating switching grooves (22) corresponding to the lock rod (3) and the push rod (5) are respectively formed in the two sides and the middle of the beam body (21).

2. The automatic throwing and withdrawing device for the lock beam of the pumped storage power station gate as claimed in claim 1, wherein the connecting cylinder (4) comprises a hollow cylinder body (41) and a fixing ring (42) welded on the outer side of the end part of the cylinder body (41), the fixing ring is fixed with the bottom bolt of the lock beam (1) through the fixing ring (42), and the other end of the connecting cylinder (4) is further provided with four arc-shaped switching grooves (43).

3. The automatic throwing and withdrawing device for the lock beam of the pumped storage power station gate as claimed in claim 1, wherein the push rod (5) comprises a rod body (51) which is arranged in a hollow manner, a guide rail (52) is welded on the inner side of the end part of the rod body (51), a partition plate (53) which is arranged in a hollow manner is welded on the inner wall of the rod body (51), and a push head (54) corresponding to the throwing and withdrawing switching groove (22) is fixedly sleeved on the other end of the rod body (51).

4. The automatic casting and withdrawing device for the lock beam of the pumped storage power station gate as claimed in claim 3, wherein the end of the guide rail (52) is provided with a casting groove (521) in a strip shape and a withdrawing groove (522) in an inclined shape in a crossed manner.

5. The pumped storage power station gate locking beam automatic throwing and withdrawing device as claimed in claim 1, wherein the switching shaft (6) comprises a rotating rod (61) with the end part penetrating through the connecting cylinder (4) and the outer side of the top of the locking beam (1), a sliding head (62) is welded at the end part of the rotating rod (61), sliding claws (63) are welded on the periphery of the sliding head (62), and four limiting plates (64) are uniformly distributed on the surface of the other end of the rotating rod (61).

6. The pumped storage power station gate locking beam automatic switching device as claimed in claim 5, characterized in that the top of the locking beam (1) is located outside the rotating rod (61) and is connected with a chain wheel through a bearing, the inner wall of the chain wheel is provided with a guide groove corresponding to the limiting plate (64), the outer sides of the end parts of the two locking rods (3) are also sleeved with chain wheels, and a transmission chain (7) is sleeved between the three chain wheels.

7. The automatic throwing and withdrawing device for the lock beam of the pumped storage power station gate as claimed in claim 1, wherein the reset rod (8) comprises a top rod (81) with the end part inserted at the end of the switching shaft (6), a pressure plate (82) is welded outside one end of the top rod (81) close to the switching shaft (6), and a reset spring (83) is further sleeved outside the top rod (81).

8. The pumped storage power station gate locking beam automatic throwing and withdrawing device as claimed in claim 1, wherein the locking bar (3) comprises a lock body (31) and a locking tongue (32) fixed at the end of the lock body (31) through a bolt, the locking groove (23) is a semicircle with a strip-shaped groove at the top, and the locking tongue (32) corresponds to the locking groove (23).