Hydraulic power station hydraulic hoist maintenance platform life line system and operation method

Abstract

A kind of life line system of hydraulic power station hydraulic hoist maintenance platform, including U-shaped base, U-shaped base top is equipped with lifting cylinder, lifting cylinder push rod is upward and push rod end is supported with lifting plate, lifting plate two ends extend to the flow passage side wall two sides flow passage above, work rack is hung by traction rope at lifting plate end, movable frame is equipped on work rack, workbench is equipped in movable frame.The present application adopts the above structure, can effectively solve the problems in the prior art, the position adjustment of workbench in ring direction is realized by single driving equipment, the maintenance operation surface is increased, and personnel safety is ensured during adjustment process.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hydraulic generator governor maintenance of hydropower station, in particular to a life line system of a hydraulic generator governor maintenance platform of hydropower station and an operation method. BACKGROUND

[0002] In the maintenance process of the hydraulic generator governor of the hydropower station, personnel need to go down to the back-shaped maintenance platform in the maintenance well to carry out corresponding maintenance work. Since the maintenance work is high-altitude work, the personnel generally wear corresponding protective safety ropes to avoid safety accidents. Since the back-shaped maintenance platform is at different depths of the maintenance well, a safety line is usually arranged on the well wall at a suitable position as a hanging point of the safety rope. However, the connection point of the safety rope and the well wall is usually provided with some connecting pieces. When the rope buckle passes through the position of the connecting piece, the rope buckle needs to be taken off, pass through the position of the connecting piece, and then be hung again in the next section of the safety line. For larger connecting pieces, the personnel need to unfasten the lock and then move to the next section of the position to realize the hanging operation. In addition, the personnel move frequently, so the personnel need to repeatedly unfasten and hang the rope buckle, which has certain safety hazards. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a life line system of a hydraulic generator governor maintenance platform of a hydropower station and an operation method, which can realize quick switching connection of the rope buckle between the sections of the safety line and solve the safety hazard problem caused by the unfastened gap.

[0004] To solve the above technical problems, the technical scheme adopted by the present application is: a life line system of a hydraulic generator governor maintenance platform of a hydropower station, comprising a safety line, both ends of the safety line are fixed above the maintenance platform through safety line end support members, and safety line middle support members are arranged at the middle part and the corner positions of the safety line.

[0005] The safety line middle support member comprises a support member main body, a flange plate is arranged at one end of the support member main body, expansion bolts are arranged on the flange plate to fix the support member main body on the well wall, a horizontal slot is arranged on the other end of the support member main body, a partition plate is arranged in the middle of the slot, and the safety line passes through the partition plate.

[0006] A plurality of slide locks are further arranged on the safety line.

[0007] In the preferred scheme, the safety line comprises two lines, the slide lock is composed of two line buckles, each line buckle comprises a line covering cylinder for covering and connecting the safety line and a pin shaft cylinder arranged on one side for connecting the two line buckles, and the pin shaft cylinders on the two line buckles are aligned and inserted into the same pin shaft to realize the connection and formation of the slide lock.

[0008] In the preferred solution, the two line buckles are further provided with a rotating seat, which comprises a movable seat head plate and two connecting blocks arranged on the two line buckles respectively, the two connecting blocks form a T-shaped connecting hole, and the seat head plate is provided with a T-shaped connecting block matched with the connecting hole.

[0009] In the preferred solution, a I-shaped piece is mounted on the movable seat head plate in the rotating seat, and a safety buckle is arranged on the I-shaped piece, which is used for connecting a safety rope worn by a person.

[0010] In the preferred solution, the I-shaped piece is provided with an active lock rod on each side, one end of the active lock rod is hinged between the end of one wing rod of the I-shaped piece, and the other end of the active lock rod is arranged in the opening arranged on the end of the other wing rod of the I-shaped piece.

[0011] In the preferred solution, two sleeve connecting rods are arranged on the middle abdominal rod of the I-shaped piece, the two sleeve connecting rods are connected by sleeving, and the ends of the two sleeve connecting rods are movably connected with the wing rods on both sides of the I-shaped piece respectively.

[0012] In the preferred solution, a sliding groove is arranged on the wing rod of the I-shaped piece, limit grooves are arranged on both sides of the sliding groove, and the ends of the sleeve connecting rods movably match with the limit grooves.

[0013] In the preferred solution, a limiting piece is arranged on the sleeve connecting rod close to the wing rod, and a spring is sleeved on the sleeve connecting rod between the limiting piece and the abdominal rod.

[0014] In the preferred solution, the opening is in contact with the end of the active lock rod, so that the active lock rod rotates unidirectionally to the inside of the I-shaped piece.

[0015] The operation method of the life line system of the hydraulic generator opening and closing machine maintenance platform of the hydropower station based on the above-mentioned operation method, comprising the following steps:

[0016] 1) The personnel pass through the manhole and reach the maintenance platform by the ladder on the maintenance platform;

[0017] 2) Connect the safety buckle with the safety rope buckle worn by the personnel;

[0018] 3) The personnel move on the maintenance platform and drive the slide lock to move along the safety line;

[0019] 4) When the slide lock moves to the position on the middle support of the safety line, push the slide lock into the slot on one side of the partition plate;

[0020] 5) The personnel manually press the two active lock rods, and make one end of the I-shaped piece pass through the rotating seat on the slide lock in the slot on the other side of the partition plate, while the other end of the I-shaped piece is separated from the slide lock connected therewith, so as to realize the switching connection between different slide locks on different sections of the safety line;

[0021] 6) When moving to the next middle support position, rotate the I-shaped piece to make the movable seat head plate in the rotating seat rotate 180° around the fixed seat bottom;

[0022] 7) Repeat steps 1)-5) to complete the switching of the slide lock.

[0023] The lifeline system of the hydraulic generating set maintenance platform of a hydropower station and the operation method provided by the application avoid the safety hazard that exists when the safety rope buckle passes through the connection point of the safety line and the shaft wall, realize the quick switching between the rope buckle and the slide lock, and ensure the safety of the maintenance personnel. BRIEF DESCRIPTION OF DRAWINGS

[0024] The application will be further described below in combination with the drawings and embodiments:

[0025] Figure 1 It is a schematic diagram of the overall overhead structure of the application.

[0026] Figure 2 It is a schematic diagram of the middle support of the safety line of the application.

[0027] Figure 3 It is a schematic diagram of the middle support of the safety line of the application in the installed state.

[0028] Figure 4 It is a schematic diagram of the slide lock of the application.

[0029] Figure 5 It is a schematic diagram of the rope buckle of the application.

[0030] Figure 6 It is a schematic diagram of the rotating seat of the application.

[0031] Figures 7-9 It is a schematic diagram of the state of the I-shaped piece during the switching of the slide lock of the application.

[0032] In the drawings: maintenance platform 1, safety line 2, middle support of safety line 3, end support of safety line 4, slide lock 5, manhole 6, ladder 7, support body 8, flange plate 9, expansion bolt 10, slot 11, partition plate 12, rope buckle 13, pin shaft cylinder 131, wire-wrapped cylinder 132, rotating seat 14, movable seat head plate 141, connecting block 142, fixed seat bottom 143, connecting hole 144, I-shaped piece 15, hole 151, movable lock rod 16, sliding groove 161, limiting groove 162, safety buckle 17, safety buckle mounting seat 18, ear plate 181, connecting sleeve 182, sleeve rod 19, limiting sheet 20, spring 21. DETAILED DESCRIPTION

[0033] Embodiment 1:

[0034] AsFigures 1-6 In one embodiment, a life line system of a hydraulic generator maintenance platform of a hydropower station includes a safety line 2, both ends of the safety line 2 are fixed to above the maintenance platform 1 through safety line end supports 4, and safety line middle supports 3 are arranged at the middle and corner positions of the safety line 2.

[0035] The safety line middle support 3 includes a support body 8, one end of the support body 8 is provided with a flange plate 9, expansion bolts 10 are arranged through the flange plate 9 to fix the support body 8 on the shaft wall, and a transverse slot 11 is arranged at the other end of the support body 8, a partition plate 12 is arranged at the middle of the slot 11, and the safety line 2 is arranged through the partition plate 12.

[0036] The safety line 2 is further provided with a plurality of slide locks 5.

[0037] In a preferred embodiment, the safety line 2 includes two lines, the slide lock 5 is composed of two line buckles 13, each line buckle 13 includes a line covering cylinder 132 for covering and connecting the safety line 2 and a pin shaft cylinder 131 arranged on one side for connecting the two line buckles 13, and the pin shaft cylinders 131 on the two line buckles 13 are aligned and inserted into the same pin shaft to realize the connection and formation of the slide lock 5.

[0038] In a preferred embodiment, the two line buckles 13 are further provided with a rotating seat 14, the rotating seat 14 includes a movable seat head plate 141 and two connecting blocks 142 arranged on the two line buckles 13, respectively, the two connecting blocks 142 form a T-shaped connecting hole 144, and the seat head plate 141 is provided with a T-shaped connecting block 142 matched with the connecting hole 144.

[0039] Embodiment 2:

[0040] As Figures 4-6 In the embodiment 1, the movable seat head plate 141 in the rotating seat 14 is provided with an I-shaped piece 15, and the I-shaped piece 15 is provided with a safety buckle 17 for connecting a safety rope worn by a person.

[0041] The safety buckle 17 includes a safety buckle mounting seat 18, the safety buckle mounting seat 18 is a plate structure as a whole, one side surface of the safety buckle mounting seat 18 is provided with an ear plate 181, the safety buckle 17 is connected in a hole in the ear plate 181, and the other side surface of the safety buckle mounting seat 18 is provided with two connecting sleeves 182, which are connected with the same wing rod on both sides of the web of the I-shaped piece 15.

[0042] Embodiment 3:

[0043] As Figure 7On the basis of embodiment 2, the I-shaped piece 15 is provided with an active locking rod 16 on each side, and the active locking rod 16 is hinged at one end to the end of one of the wing rods of the I-shaped piece 15, and the other end of the active locking rod 16 is arranged in the opening 151 arranged on the end of the other wing rod of the I-shaped piece 15.

[0044] Embodiment 4:

[0045] As Figure 7 On the basis of embodiment 2, the I-shaped piece 15 is provided with two sleeve connecting rods 19 on the middle web rod, the two sleeve connecting rods 19 are connected by sleeve connection, and the ends of the two sleeve connecting rods 19 are movably connected with the wing rods on both sides of the I-shaped piece 15.

[0046] In a preferred scheme, a sliding groove 161 is arranged on the wing rod of the I-shaped piece 15, limit grooves 162 are arranged on both sides of the sliding groove 161, and the ends of the sleeve connecting rods 19 movably match with the limit grooves 162.

[0047] In a preferred scheme, a limiting piece 20 is arranged on the position of the sleeve connecting rod 19 close to the wing rod, and a spring is arranged on the sleeve connecting rod 19 between the limiting piece 20 and the web rod.

[0048] In a preferred scheme, one side of the opening 151 contacts with the end of the active locking rod 16, so as to realize the one-way rotation of the active locking rod 16 to the inside of the I-shaped piece 15.

[0049] Embodiment 4:

[0050] The operation method of the life line system of the maintenance platform of the hydraulic generator opening and closing machine of the hydropower station based on embodiment 1, specifically includes the following steps:

[0051] 1) The personnel pass through the manhole 6 and reach the maintenance platform 1 by the ladder 7 on the maintenance platform 1.

[0052] 2) The safety rope buckle worn by the personnel is connected with the safety buckle 17;

[0053] 3) The personnel move on the maintenance platform 1 and drive the slide lock 5 to move along the safety line 2;

[0054] 4) When the slide lock 5 moves to the position on the middle support 3 of the safety line, the slide lock 5 is pushed into the slot 11 on one side of the partition plate 12;

[0055] 5) The personnel manually press the two active locking rods 16, and make one end of the I-shaped piece 15 pass through the rotating seat 14 of the slide lock 5 in the slot 11 on the other side of the partition plate 12, and the other end of the I-shaped piece 15 is separated from the slide lock 5 connected therewith, so as to realize the switching connection between different slide locks 5 on different sections of the safety line 2;

[0056] 6) When moving to the next middle support 3 position, rotate the I-beam 15 to make the movable seat head plate 141 in the rotating seat 14 rotate 180° around the fixed seat bottom 143;

[0057] 7) Repeat steps 1) -5) to complete the switching of the slide lock 5.

[0058] The lifeline system and operation method of the water power station hydraulic opening and closing machine maintenance platform provided by the application can effectively ensure the effective connection between the I-beam 15 and the slide lock 5 when switching the safety rope buckle connection node, and can realize the connection with the next slide lock 5 without being separated from the previous slide lock 5, effectively avoiding the safety hidden danger caused by the safety protection air gap period, and protecting the personal safety of the maintenance personnel.

Claims

1. A lifeline system for a hydropower station hydraulic gate hoist maintenance platform, comprising a safety line (2), characterized in that: The safety line (2) is fixed above the maintenance platform (1) at both ends by safety line end support (4), and safety line middle support (3) is provided in the middle and corner of the safety line (2). The safety line support member (3) includes a support body (8), a flange plate (9) is provided at one end of the support body (8), and an expansion bolt (10) is passed through the flange plate (9) to fix the support body (8) on the well wall. A transverse slot (11) is provided at the other end of the support body (8), and a partition plate (12) is provided in the middle of the slot (11). The safety line (2) passes through the partition plate (12). Multiple sliding locks (5) are also provided on the safety line (2); The safety line (2) includes two wires, and the slide lock (5) is composed of two wire buckles (13). Each wire buckle (13) includes a wire-wrapping cylinder (132) for covering and connecting the safety line (2) and a pin cylinder (131) set on one side for connecting the two wire buckles (13). After the pin cylinders (131) on the two wire buckles (13) are aligned, they are inserted into the same pin to realize the connection and formation of the slide lock (5). The two wire buckles (13) are also provided with rotating seats (14). The rotating seats (14) include a movable head plate (141) and two fixed seat bases (143) respectively disposed on the two wire buckles (13). The two fixed seat bases (143) form a T-shaped connecting hole (144). The connecting block (142) is adapted to the connecting hole (144) and disposed on the head plate (141). The rotating seat (14) has an I-beam (15) installed on the movable seat head plate (141), and a safety buckle (17) is provided on the I-beam (15). The safety buckle (17) is used to connect the safety rope worn by the personnel. The I-beam (15) is provided with a movable locking rod (16) on each side. One end of the movable locking rod (16) is hinged to the end of one of the wing rods of the I-beam (15), and the other end of the movable locking rod (16) is set in the opening (151) provided on the end of the other wing rod of the I-beam (15).

2. The lifeline system of a hydropower station hydraulic gate hoist maintenance platform according to claim 1, characterized in that: The I-beam (15) has two connecting rods (19) on its middle web. The two connecting rods (19) are connected together, and the ends of the two connecting rods (19) are respectively connected to the movable locking rods (16) on both sides of the I-beam (15).

3. The lifeline system of a hydropower station hydraulic gate hoist maintenance platform according to claim 2, characterized in that: The movable locking rod (16) is provided with a sliding groove (161), and limiting grooves (162) are provided on both sides of the sliding groove (161). The end of the sleeve rod (19) is in active cooperation with the limiting groove (162).

4. The lifeline system of a hydropower station hydraulic gate hoist maintenance platform according to claim 2, characterized in that: The connecting rod (19) is provided with a limiting piece (20) near the movable locking rod (16), and a spring is sleeved on the connecting rod (19) between the limiting piece (20) and the web rod.

5. The lifeline system of a hydropower station hydraulic gate hoist maintenance platform according to claim 2, characterized in that: The opening (151) is in contact with the end of the movable locking rod (16) to enable the movable locking rod (16) to rotate unidirectionally toward the inside of the I-beam (15).

6. An operation method for the lifeline system of a hydropower station hydraulic gate hoist maintenance platform according to any one of claims 1-5, characterized in that... Includes the following steps: 1) Personnel pass through the manhole (6) via the ladder (7) on the maintenance platform (1) and reach the maintenance platform (1); 2) Connect the safety rope buckle worn by the personnel to the safety buckle (17); 3) Personnel move on the maintenance platform (1) and move the sliding lock (5) along the safety line (2); 4) When the sliding lock (5) moves to the position on the middle support (3) of the safety line, push the sliding lock (5) into the slot (11) on one side of the partition (12); 5) The personnel manually press the two movable locking rods (16) and make one end of the I-beam (15) pass through the rotating seat (14) on the sliding lock (5) in the slot (11) on the other side of the partition (12), while the other end of the I-beam (15) disengages from the sliding lock (5) connected to it, so as to realize the switching connection between different sliding locks (5) on different sections of the safety line (2); 6) When moving to the position of the next middle support (3), rotate the I-beam (15) so that the movable head plate (141) in the rotating seat (14) can rotate 180° around the fixed bottom (143); 7) Repeat steps 1)-5) to complete the slide lock (5) switching.

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