Thrust oil cooler dismounting tool and method

Abstract

A thrust oil cooler dismounting tool, including I slide rail, the bottom of one end of I slide rail is equipped with jack, the bottom of the other end is equipped with adjusting lever, the bottom of adjusting lever is equipped with triangular support frame; I slide rail is equipped with two sliding assemblies, one of which is installed with electric hoist, the other is installed with balance lever; the top of I slide rail is equipped with two support rods, the same screw rod is threaded on two support rods, the sliding assembly installed with electric hoist is equipped with threaded hole cylinder structure above, screw rod is threaded through threaded hole cylinder structure and is in threaded cooperation with cylinder. The novel adopts the above structure, solves the problems of narrow transportable space, low installation efficiency, more people required and safety hazards existing in the current thrust oil cooler dismounting process.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of overhaul of thrust oil cooler, in particular to a thrust oil cooler dismounting tool and a thrust oil cooler dismounting method. BACKGROUND

[0002] With the rapid development of the hydropower industry, the hydropower generating set is getting larger and larger, and the number of the internal circulation type thrust oil cooler is also getting larger and larger, and the external size is larger and the body weight is heavier. The current installation of the thrust oil cooler mainly relies on manual use of the gantry crane, and in the installation process, the gantry crane can only adjust the up-down position of the thrust oil cooler, and multiple people are needed to cooperate when the oil cooler is put into the oil tank, and the balance is adjusted by manpower, which is very inconvenient. And in the process of use, the positioning stop device is not installed, which is easy to slide and cause side turning, causing personal injury. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a thrust oil cooler dismounting tool and a thrust oil cooler dismounting method, which solves the problems of narrow transportable space, low installation efficiency, large number of required personnel, and safety hazards in the current thrust oil cooler dismounting process.

[0004] To solve the above technical problems, the technical scheme adopted by the present application is: a thrust oil cooler dismounting tool, comprising an I-shaped sliding rail, one end of the I-shaped sliding rail is provided with a jack at the bottom, the other end of the I-shaped sliding rail is provided with an adjusting rod at the bottom, and the adjusting rod is provided with a triangular support frame at the bottom;

[0005] Two sliding assemblies are arranged on the I-shaped sliding rail, one of the sliding assemblies is provided with an electric hoist, and the other sliding assembly is provided with a balance rod;

[0006] Two support rods are arranged at the top of the two ends of the I-shaped sliding rail, a same screw rod is arranged on the two support rods, a threaded hole is arranged on the upper side of the sliding assembly provided with the electric hoist, and the screw rod passes through the threaded hole of the cylinder structure and is threadedly connected with the cylinder.

[0007] In the preferred scheme, the bottom of the triangular support frame is provided with a roller.

[0008] In the preferred scheme, the jack comprises an electromagnetic adsorption base, a swing arm is hinged to the electromagnetic adsorption base, a support rod is hinged to the middle part of the swing arm, a support seat supporting one end of the I-shaped sliding rail is arranged on the end of the support rod away from the hinge point of the swing arm, a threaded rod is arranged on the end of the swing arm away from the hinge point of the electromagnetic adsorption base, and the threaded rod is arranged transversely and passes through the support rod.

[0009] The swing arm and the support rod are provided with a block with a threaded hole for the threaded rod to pass through, and the block is arranged on the swing arm and the support rod through a pin.

[0010] In the preferred scheme, the swing arm and the support rod are in threaded cooperation with the threaded rod.

[0011] In the preferred scheme, one end of the threaded rod is provided with a crank.

[0012] In the preferred scheme, bearings are arranged on the support rod arranged at the top of the I-shaped slide rail, the threaded rod passes through the bearings, and a rotating wheel is arranged on one end of the threaded rod.

[0013] In the preferred scheme, the balancing rod comprises a vertical rod and a U-shaped insertion rod arranged horizontally at the bottom of the vertical rod, and the two ends of the insertion rod are in cooperation with the water passage on the oil cooler.

[0014] The method for disassembling the thrust oil cooler based on the thrust oil cooler disassembling tool comprises the following steps:

[0015] 1) The tool is installed on the peripheral area of the thrust bearing oil groove, and the jack is supported on the top of the thrust bearing oil groove cover plate;

[0016] 2) The I-shaped slide rail is located in the diameter direction of the thrust bearing oil groove by pushing the triangular support frame;

[0017] 3) The position of the I-shaped slide rail in the vertical direction is adjusted by adjusting the height of the adjusting rod and the height of the jack, and the U-shaped insertion rod on the balancing rod is aligned with the water passage on the oil cooler in the horizontal direction;

[0018] 4) The rotating wheel is rotated, and one sliding assembly provided with an electric hoist is moved on the I-shaped slide rail to be close to the oil cooler;

[0019] 5) The hook at the lower end of the electric hoist is hung on the lifting lug on the top of the end cover of the oil cooler, and then the electric hoist is adjusted to tension the chain part;

[0020] 6) The balancing rod is manually pushed to move on the I-shaped slide rail, and the two ends of the U-shaped insertion rod on the balancing rod are inserted into the water passage on the oil cooler;

[0021] 7) The rotating wheel is reversely rotated, one sliding assembly provided with an electric hoist is moved towards the adjusting rod, and the oil cooler is pulled out from the oil cooler mounting hole;

[0022] 8) After the oil cooler is pulled out from the oil cooler mounting hole, the balancing rod is manually pulled to move on the I-shaped slide rail, and the two ends of the U-shaped insertion rod on the balancing rod are pulled out of the water passage on the oil cooler;

[0023] 9) The electric hoist is adjusted, and the oil cooler is lowered onto the trolley.

[0024] In a preferred embodiment, the oil cooler mounting method is opposite to the dismounting method described above.

[0025] In a preferred embodiment, after the oil cooler dismounting operation is completed, the pusher is pushed to the adjacent oil cooler mounting hole, the electromagnetic adsorption base is powered off, the jack is moved to the thrust bearing oil groove cover plate directly above the adjacent oil cooler, and the next oil cooler dismounting operation is performed according to the same steps.

[0026] In a preferred embodiment, in step 1), after the jack is supported in place, the electromagnetic adsorption base is powered on to generate a magnetic force and is adsorbed and fixed on the top of the thrust bearing oil groove cover plate.

[0027] The thrust oil cooler dismounting tool and the thrust oil cooler dismounting method provided by the present application have the following beneficial effects by adopting the above structure and method:

[0028] (1) The present application provides a convenient tool for dismounting and mounting the thrust oil cooler, which can effectively reduce the time required for dismounting and mounting the thrust oil cooler, and safely and efficiently complete the maintenance work of the thrust oil cooler of the unit;

[0029] (2) The present application can effectively reduce the number of workers required for dismounting and mounting the thrust oil cooler, reduce the risk of tipping during the dismounting and mounting process, ensure the safety of the workers, and also greatly improve the work efficiency;

[0030] (3) The present application can conveniently transport the thrust oil cooler within a certain distance during the dismounting and mounting process, reduce the use of the bridge machine, improve the maintenance efficiency, and reduce energy consumption;

[0031] (4) When multiple oil coolers are dismounted and mounted, the present application can reduce the steps of dismounting and mounting the tool between two oil coolers, and achieve the purpose of continuous dismounting and mounting of the oil cooler. BRIEF DESCRIPTION OF DRAWINGS

[0032] The present application will be further described below in conjunction with the drawings and examples:

[0033] Figure 1 The present application is a schematic diagram of the overall structure.

[0034] Figure 2 The present application is a schematic diagram of the structure during the hoisting of the oil cooler.

[0035] Figure 3 The present application is a schematic diagram of the structure in actual application.

[0036] Figure 4 The present application is a schematic diagram of the structure in actual application.

[0037] In the figure: oil cooler 1, electric hoist 2, jack 3, electromagnetic adsorption base 301, swing arm 302, support rod 303, threaded rod 304, crank 305, bearing 4, screw rod 5, rotating wheel 6, sliding assembly 7, adjusting rod 8, I-shaped sliding rail 9, triangular support frame 10, roller 11, balance bar 12, water inlet 13, lifting lug 14, thrust bearing oil groove cover plate 15, oil cooler mounting hole 16. DETAILED DESCRIPTION

[0038] Embodiment 1

[0039] A thrust oil cooler dismounting tool, comprising an I-shaped sliding rail 9, one end of the I-shaped sliding rail 9 is provided with a jack 3 at the bottom, and the other end is provided with an adjusting rod 8 at the bottom, and the bottom of the adjusting rod 8 is provided with a triangular support frame 10.

[0040] Two sliding assemblies 7 are arranged on the I-shaped sliding rail 9, one of the sliding assemblies 7 is provided with an electric hoist 2, and the other sliding assembly 7 is provided with a balance bar 12.

[0041] Two support rod members are arranged at the top of the I-shaped sliding rail 9, the same screw rod 5 is arranged on the two support rod members, a threaded hole cylinder structure is arranged above the sliding assembly 7 provided with the electric hoist 2, and the screw rod 5 passes through the threaded hole cylinder structure and is in threaded connection with the threaded hole cylinder structure.

[0042] In the preferred embodiment, the triangular support frame 10 is provided with a roller 11 at the bottom.

[0043] In the preferred embodiment, the jack 3 comprises an electromagnetic adsorption base 301, a swing arm 302 is hinged to the electromagnetic adsorption base 301, a support rod 303 is hinged to the middle part of the swing arm 302, a support seat supporting one end of the I-shaped sliding rail 9 is arranged on one end of the support rod 303 away from the hinge joint point with the swing arm 302, a threaded rod 304 is arranged on one end of the swing arm 302 away from the hinge joint point with the electromagnetic adsorption base 301, and the threaded rod 304 is arranged transversely and passes through the support rod 303.

[0044] A threaded hole block is arranged on the swing arm 302 and the support rod 303 for the threaded rod 304 to pass through, and the block is arranged on the swing arm 302 and the support rod 303 through a pin shaft.

[0045] In the preferred embodiment, the swing arm 302 and the support rod 303 are in threaded connection with the threaded rod 304.

[0046] In the preferred embodiment, one end of the threaded rod 304 is provided with a crank 305.

[0047] In the preferred embodiment, bearings 4 are arranged on the support rods at the top of the I-shaped slide rail 9, and the screw rods 5 pass through the bearings 4 at both ends, with a rotating wheel 6 arranged at one end of the screw rod 5.

[0048] In the preferred embodiment, the balancing rod 12 comprises a vertical rod and a U-shaped plug rod arranged horizontally at the bottom of the vertical rod, with the plug rod ends matched with the water inlets 13 on the oil cooler 1.

[0049] In the embodiment, the screw rod 5 and the sliding assembly 7 constitute the radial adjustment mechanism of the oil cooler 1, the electric hoist 2, the jack 3 and the adjusting rod 8 constitute the longitudinal adjustment mechanism of the oil cooler 1, and the jack 3 and the adjusting rod 8 additionally constitute the positioning mechanism of the entire device, which can effectively improve the installation and disassembly precision of the oil cooler 1 and greatly reduce the time and labor intensity of disassembly operation under the premise of reducing labor cost.

[0050] Embodiment 2:

[0051] Based on the disassembly tool for the thrust oil cooler described in Embodiment 1, the disassembly method of the oil cooler 1 comprises the following steps:

[0052] 1) The tool is installed on the peripheral area of the thrust bearing oil groove, and the jack 3 is supported on the top of the thrust bearing oil groove cover plate 15. After the jack 3 is in place, the electromagnetic adsorption base 301 is powered on to generate magnetic force and be adsorbed and fixed on the top of the thrust bearing oil groove cover plate 15.

[0053] 2) Push the triangular support frame 10 to make the I-shaped slide rail 9 located in the diameter direction of the thrust bearing oil groove;

[0054] 3) Adjust the height of the adjusting rod 8 and the height of the jack 3 to realize the position adjustment of the I-shaped slide rail 9 in the vertical direction, and ensure that the U-shaped plug rod on the balancing rod 12 is aligned with the water inlets 13 on the oil cooler 1 in the horizontal direction;

[0055] 4) Rotate the rotating wheel 6 to move one sliding assembly 7 with the electric hoist 2 to the vicinity of the oil cooler 1 on the I-shaped slide rail 9;

[0056] 5) Hang the hook at the lower end of the electric hoist 2 on the lifting lug 14 on the top of the end cover of the oil cooler 1, and then adjust the electric hoist 2 to tension the chain part;

[0057] 6) Manually push the balancing rod 12 to move on the I-shaped slide rail 9 and insert the U-shaped plug rod at both ends of the balancing rod 12 into the water inlets 13 on the oil cooler 1;

[0058] 7) Reverse rotate the rotating wheel 6 to move one sliding assembly 7 with the electric hoist 2 to the adjusting rod 8 direction and pull out the oil cooler 1 from the oil cooler mounting hole 16;

[0059] 8)oil cooler 1 is extracted from the oil cooler mounting hole 16, manually pull the balance bar 12 on the I-shaped sliding rail 9 and make the balance bar 12 U-shaped insertion rod on both ends of the water outlet 13 of the oil cooler 1;

[0060] 9)Adjust the electric hoist 2 and lower the oil cooler 1 to the trolley.

[0061] Example 3:

[0062] Based on the oil cooler 1 dismounting method described in example 2, the oil cooler 1 mounting method is opposite to the dismounting method, and the installation purpose of the oil cooler 1 can be achieved by reversing the operation of step 9) to step 1).

[0063] Example 4:

[0064] In examples 2 and 3, when multiple oil coolers 1 need to be continuously disassembled and assembled:

[0065] After the oil cooler 1 dismounting operation is completed, the electromagnetic adsorption base 301 is powered off, the jack 3 is moved to the thrust bearing oil tank cover plate 15 directly above the adjacent oil cooler 1, and the next oil cooler 1 dismounting operation is performed according to the same steps.

[0066] The thrust oil cooler dismounting tool and method disclosed in the present application effectively solve the problems of narrow movable space, low installation efficiency and large number of required personnel for the thrust oil cooler, fundamentally eliminate the safety hazards of traditional heavy object handling, effectively improve the oil cooler dismounting work efficiency, and further ensure the operation safety under the premise of reducing labor intensity and improving operation precision.

Claims

1. A thrust oil cooler disassembly and assembly fixture, comprising an I-beam slide rail (9), characterized in that: The I-beam slide rail (9) has a jack (3) at one end and an adjusting rod (8) at the other end. The adjusting rod (8) has a triangular support frame (10) at its bottom. The I-beam slide rail (9) is provided with two sliding components (7), one of which is equipped with an electric hoist (2), and the other is equipped with a balance bar (12). The top two ends of the I-beam slide rail (9) are provided with two support rods, and the same screw rod (5) is passed through the two support rods. A sliding component (7) on which the electric hoist (2) is installed is provided with a cylindrical structure with a threaded hole. The screw rod (5) passes through the cylindrical structure with the threaded hole and is threadedly engaged with the cylindrical structure. The jack (3) includes an electromagnetic adsorption base (301), a swing arm (302) is hinged on the electromagnetic adsorption base (301), a support rod (303) is hinged to the middle part of the swing arm (302), a support seat for supporting one end of the I-beam slide rail (9) is provided on the end of the support rod (303) away from the hinge point with the swing arm (302), and a threaded rod (304) is provided on the end of the swing arm (302) away from the hinge point with the electromagnetic adsorption base (301), and the threaded rod (304) is set laterally and passes through the support rod (303); The swing arm (302) and support rod (303) are provided with a block with a threaded hole for the threaded rod (304) to pass through. The block is set on the swing arm (302) and support rod (303) by a pin. The balance bar (12) includes a vertical bar and a U-shaped plug that is fixed horizontally at the bottom of the vertical bar. The two ends of the plug are engaged with the water inlet (13) on the oil cooler (1).

2. The thrust oil cooler disassembly and assembly fixture according to claim 1, characterized in that: The triangular support frame (10) is provided with rollers (11) at the bottom.

3. The thrust oil cooler disassembly and assembly fixture according to claim 1, characterized in that: The swing arm (302) and the support rod (303) are both threadedly connected to the threaded rod (304).

4. The thrust oil cooler disassembly and assembly fixture according to claim 1, characterized in that: The threaded rod (304) is provided with a crank handle (305) at one end.

5. The thrust oil cooler disassembly and assembly fixture according to claim 1, characterized in that: The support rods at both ends of the top of the I-beam slide rail (9) are provided with bearings (4), and the two ends of the lead screw (5) pass through the bearings (4). A wheel (6) is installed on one end of the lead screw (5).

6. A method for disassembling and assembling a thrust oil cooler based on the thrust oil cooler disassembly and assembly fixture according to any one of claims 1-5, characterized in that... The disassembly method includes the following steps: 1) Install the tooling in the outer area of ​​the thrust bearing oil groove and ensure that the jack (3) is supported on the top of the thrust bearing oil groove cover plate (15); 2) Push the triangular support frame (10) so that the I-beam slide rail (9) is located in the direction of the thrust bearing oil groove diameter; 3) By adjusting the height of the adjusting rod (8) and the height of the jack (3), the position of the I-beam slide rail (9) in the vertical direction can be adjusted, and the U-shaped insert on the balance rod (12) can be aligned with the water outlet (13) on the oil cooler (1) in the horizontal direction. 4) Rotate the wheel (6) to move a sliding component (7) on which the electric hoist (2) is mounted on the I-beam slide rail (9) to be close to the oil cooler (1); 5) Hang the hook at the lower end of the electric hoist (2) on the lifting lug (14) on the top of the end cover of the oil cooler (1), and then adjust the electric hoist (2) to make its chain part tensioned. 6) Manually push the balance bar (12) to move it on the I-beam slide rail (9) and insert the two ends of the U-shaped plug on the balance bar (12) into the water inlet (13) on the oil cooler (1); 7) Rotate the wheel (6) in the opposite direction to move a sliding component (7) on which the electric hoist (2) is installed toward the adjusting rod (8) and pull the oil cooler (1) out of the oil cooler mounting hole (16); 8) After the oil cooler (1) is pulled out from the oil cooler mounting hole (16), manually pull the balance bar (12) to move on the I-beam slide rail (9) and pull out the two ends of the U-shaped plug on the balance bar (12) from the water inlet (13) on the oil cooler (1). 9) Adjust the electric hoist (2) and lower the oil cooler (1) onto the trolley.

7. A thrust oil cooler disassembly and assembly method based on a thrust oil cooler disassembly and assembly fixture according to claim 6, characterized in that: The installation method of the oil cooler (1) is the opposite of the disassembly method.

8. A thrust oil cooler disassembly and assembly method based on a thrust oil cooler disassembly and assembly fixture according to claim 7, characterized in that: After the disassembly and assembly of the oil cooler (1) is completed, the device is pushed to the adjacent oil cooler mounting hole (16), the electromagnetic adsorption base (301) is de-energized, and the jack (3) is moved to the thrust bearing oil groove cover plate (15) directly above the adjacent oil cooler (1). The disassembly and assembly of the next oil cooler (1) is carried out in the same manner.

9. A method for disassembling and assembling a thrust oil cooler based on a thrust oil cooler disassembly and assembly fixture according to claim 6, characterized in that: In step 1), after the jack (3) is in place, the electromagnetic adsorption base (301) is energized so that the electromagnetic adsorption base (301) generates magnetic force and is adsorbed and fixed on the top of the thrust bearing oil groove cover plate (15).

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