Drawer type thrust cooler overhauling device

By using a split-structure transfer vehicle and lifting mechanism, the problem of laborious and inflexible maintenance of drawer-type thrust coolers by hydraulic lifting vehicles has been solved, enabling lightweight and flexible transfer and fixing of thrust coolers, thus improving maintenance efficiency.

CN223705121UActive Publication Date: 2025-12-23HUBEI QINGJIANG HYDROPOWER DEV +1
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202520319388.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2025-12-23
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

In the existing technology, the use of hydraulic lifting vehicles for the maintenance of drawer-type thrust coolers is laborious and inflexible. The hydraulic lifting vehicles are heavy and bulky, making them difficult to operate conveniently in the downwind tunnel area.

Method used

The first and second transfer vehicles adopt a split structure, combined with a scissor jack or scissor lift structure, and equipped with locking devices and baffles to achieve flexible transfer and fixation of the thrust cooler.

Benefits of technology

It reduces the operational burden, improves the flexibility and safety of transportation, reduces labor intensity, and increases the convenience of operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223705121U_ABST
    Figure CN223705121U_ABST
Patent Text Reader

Abstract

The utility model discloses a drawer type thrust cooler overhauling device which comprises a first transfer trolley and a second transfer trolley, the first transfer trolley comprises a first walking seat, a first lifting mechanism is installed on the first walking seat, a groove-shaped seat is installed on the first lifting mechanism, and the second transfer trolley comprises a second walking seat. A second lifting mechanism is installed on the second walking seat, and a placing seat is installed on the second lifting mechanism. The thrust cooler is transferred through the first transfer trolley and the second transfer trolley, the first transfer trolley and the second transfer trolley are of a split structure, the weight of a single transfer trolley is lighter, carrying is facilitated when the thrust cooler goes down a wind tunnel, the overall size is smaller, the first transfer trolley and the second transfer trolley can swing independently, and flexibility is better during transferring.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to water and electricity plant maintenance operation tool technical field especially relates to a drawer type thrust cooler maintenance device. BACKGROUND

[0002] Thrust cooler main function is the hot oil in thrust oil tank carries out heat exchange, makes the oil to cool down, helps the thrust pad temperature to maintain in a more stable and allowable temperature. In the unit overhaul needs to draw out thrust cooler to carry out inspection test, ensures its steady state, and provides space for the overhaul of other parts of thrust bearing.

[0003] Drawer type thrust cooler is one of the more common cooler structure, the existing thrust cooler is similar with the structure of drawer type cooler of water turbine generator set thrust bearing disclosed in CN201125828Y. At present, when overhauling, a 2 ton hydraulic lift is used to help disassemble, lift and transport. When using, the hydraulic lift is lifted to the highest position, the drawer type cooler fixing bolt is disassembled, the drawer type cooler is manually drawn out and placed on the hydraulic lift, and then the drawer type cooler is transported to the maintenance area. When reinstalling, the steps are reversed. The deficiency of this way is that: first, the hydraulic lift weighs 75kg, which needs to be manually carried in the downwind tunnel, which is more laborious. Second, the hydraulic lift has a large overall volume, the downwind tunnel ground has many pipelines, and the hydraulic lift has poor flexibility. UTILITY MODEL CONTENTS

[0004] The utility model discloses a drawer type thrust cooler maintenance device, and the drawer type thrust cooler is transported through first transfer trolley and second transfer trolley, first transfer trolley and second transfer trolley are split structure, and the weight of single is lighter, is convenient for carrying in the downwind tunnel, and the overall volume is smaller, and first transfer trolley and second transfer trolley can also swing alone, and the flexibility is better when transporting.

[0005] In order to realize the above-mentioned purpose, the utility model provides a drawer type thrust cooler maintenance device, which comprises first transfer trolley and second transfer trolley, the first transfer trolley comprises a first walking seat, a first lifting mechanism is installed on the first walking seat, and a slot-shaped seat is installed on the first lifting mechanism, the second transfer trolley comprises a second walking seat, a second lifting mechanism is installed on the second walking seat, and a placing seat is installed on the second lifting mechanism.

[0006] The first walking seat comprises a first supporting plate, and first casters are installed at the four corners of the lower side of the first supporting plate.

[0007] The second walking seat comprises a second supporting plate, and second casters are installed at the four corners of the lower side of the second supporting plate.

[0008] The first lifting mechanism and the second lifting mechanism are scissor jack structures or scissor lift structures.

[0009] The first locking device is further installed on the groove-shaped seat.

[0010] The first locking device comprises a shell, a movable pin and a first spring, a first flange is arranged on the middle outer wall of the movable pin, the movable pin is movably inserted into the shell, one end of the movable pin extends out of the shell, a handle is installed on the other end of the movable pin, a gland is installed on one end of the shell located at the handle, the first spring is sleeved on a section of the movable pin located in the shell, one end of the first spring abuts against the first flange, and the other end of the first spring abuts against the gland.

[0011] An external thread is arranged on the shell at an end away from the handle, and a screwing part is further arranged on the shell.

[0012] The two ends of the placing seat are further respectively provided with baffle plates.

[0013] The second locking device is further installed on the placing seat.

[0014] The second locking device comprises a fixed arc sleeve, a sliding arc rod and a second spring, one end of the fixed arc sleeve is closed, the sliding arc rod is installed on the other end of the fixed arc sleeve, the second spring is installed in the fixed arc sleeve, a first limiting hole and a second limiting hole are arranged on the sliding arc rod, a limiting sleeve is installed on the fixed arc sleeve at an end where the sliding arc rod extends out, a limiting rod is slidably installed in the limiting sleeve, a second flange is arranged on the middle outer wall of the limiting rod, a third spring is sleeved on a section of the limiting rod located in the limiting sleeve, one end of the third spring abuts against the second flange, and the other end of the third spring abuts against the limiting sleeve, and the limiting rod is inserted into the first limiting hole or the second limiting hole to limit the sliding arc rod.

[0015] Compared with the prior art, the utility model has the following technical effects:

[0016] 1、 the utility model discloses a first transfer trolley and second transfer trolley are used to transfer the push force cooler, and the first transfer trolley and second transfer trolley are split structures, so the weight of single one is lighter, the carrying is convenient when the wind tunnel is down, and the overall size is smaller, and the first transfer trolley and second transfer trolley can also swing individually, so the flexibility is better when transferring.

[0017] 2、 the utility model discloses that the first locking device is further installed on the groove-shaped seat, when using, the first locking device passes through the installation hole on the push force cooler pipe support plate, and the push force cooler is prevented from falling off.

[0018] 3、 the utility model discloses that the two ends of the placing seat are further respectively provided with baffle plates, and the push force cooler is limited through the baffle plate.

[0019] 4. The placing seat of the utility model is further provided with a second locking device, which locks the heat exchange pipe end support of the thrust cooler during use, preventing the thrust cooler from sliding off. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings required to be used in the embodiments or the prior art description will be briefly introduced below.

[0021] Figure 1 It is a structure schematic view in the use state of the utility model.

[0022] Figure 2 It is a three-dimensional structure schematic view of the first transfer trolley of the utility model.

[0023] Figure 3 It is a three-dimensional structure schematic view of the second transfer trolley of the utility model.

[0024] Figure 4 It is a front view structure schematic view of the first locking device of the utility model.

[0025] Figure 5 It is a sectional view structure schematic view of the first locking device of the utility model.

[0026] Figure 6 It is a three-dimensional structure schematic view of the second locking device of the utility model.

[0027] Figure 7 It is an internal structure schematic view of the second locking device of the utility model.

[0028] Figure 8 It is Figure 7 It is an enlarged structure schematic view of A in the middle.

[0029] Reference signs:

[0030] The first transfer trolley 100, the first supporting plate 110, the first trundle 120, the first lifting mechanism 130, the groove-shaped seat 140, the first locking device 150, the shell 151, the external thread 152, the screwing part 153, the movable pin 154, the first flange 155, the first spring 156, the gland 157, the handle 158;

[0031] The second transfer trolley 200, the second supporting plate 210, the second trundle 220, the second lifting mechanism 230, the placing seat 240, the baffle 241, the second locking device 250, the fixed arc sleeve 251, the sliding arc rod 252, the second spring 253, the limiting rod 254, the limiting sleeve 255, the third spring 256, the first limiting hole 257, the second limiting hole 258, the second flange 259;

[0032] The thrust cooler 300. Detailed Implementation

[0033] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0034] Example 1:

[0035] See Figures 1-3 A drawer-type thrust cooler maintenance device includes a first transfer vehicle 100 and a second transfer vehicle 200. The first transfer vehicle 100 includes a first traveling seat, on which a first lifting mechanism 130 is installed, and on which a slotted seat 140 is installed. The second transfer vehicle 200 includes a second traveling seat, on which a second lifting mechanism 230 is installed, and on which a placement seat 240 is installed.

[0036] When using, please refer to Figure 1 The thrust cooler 300 is transported by the first transfer vehicle 100 and the second transfer vehicle 200. The first transfer vehicle 100 and the second transfer vehicle 200 are separate structures, each of which is lighter and easier to transport in the wind tunnel. Moreover, the overall volume is smaller. The first transfer vehicle 100 and the second transfer vehicle 200 can also swing independently, which makes them more flexible during transport.

[0037] During transport, the tube plate at the end of the thrust cooler 300 is placed in the groove seat 140, and the heat exchange tube end support is placed on the placement seat 240.

[0038] For details, see Figure 2 , 3 The first traveling seat includes a first support plate 110, and first casters 120 are respectively installed at the four corners of the lower side of the first support plate 110. The second traveling seat includes a second support plate 210, and second casters 220 are respectively installed at the four corners of the lower side of the second support plate 210.

[0039] In this embodiment, both the first caster 120 and the second caster 220 are swivel casters with brakes.

[0040] In this embodiment, the first lifting mechanism 130 and the second lifting mechanism 230 are scissor jack structures or scissor lift structures. For example, a scissor jack structure disclosed in CN201473257U can be used; or the structure of an existing scissor lift platform can be used.

[0041] Example 2:

[0042] Based on Example 1, see Figure 2A first locking device 150 is also installed on the slotted seat 140. In this embodiment, the first locking device 150 can be a bolt. In use, two bolts are installed on the side walls on both sides of the slotted seat 140.

[0043] During use, two bolts pass through the mounting holes on the thrust cooler 300's support plate to prevent the thrust cooler 300 from slipping off.

[0044] In the preferred embodiment, see Figure 4 , 5 The first locking device 150 includes a housing 151, a movable pin 154, and a first spring 156. The movable pin 154 has a first flange 155 on its middle outer wall. The movable pin 154 is movably inserted into the housing 151. One end of the movable pin 154 extends out of the housing 151, and the other end is equipped with a handle 158. The housing 151 is equipped with a pressure cap 157 at the end of the handle 158. The first spring 156 is fitted on the section of the movable pin 154 located inside the housing 151. One end of the first spring 156 abuts against the first flange 155, and the other end abuts against the pressure cap 157.

[0045] When using, please refer to Figure 5 Pulling handle 158 to the left moves movable pin 154 to the left, compressing first spring 156 with first flange 155. After movable pin 154 has moved a certain distance to the left, the support plate of thrust cooler 300 can be placed on slotted seat 140. After adjusting the position of thrust cooler 300, release handle 158, and movable pin 154 moves to the right under the action of first spring 156, thus passing through the mounting hole of support plate on thrust cooler 300. In this embodiment, through holes are correspondingly provided on the side walls of slotted seat 140, and the outer shell 151 of first locking device 150 can be indirectly located outside the corresponding through holes.

[0046] Furthermore, the outer casing 151 has an external thread 152 at the end away from the handle 158, and the outer casing 151 also has a screwing part 153. This facilitates the installation of the outer casing 151 onto the slotted seat 140 by means of threaded connection.

[0047] In this embodiment, two first locking devices 150 are provided.

[0048] Example 3:

[0049] Based on Example 1, see Figure 3 Each end of the placement base 240 is provided with a baffle 241. The baffle 241 limits the thrust cooler 300.

[0050] Further, the second locking device 250 is arranged on the placing seat 240.

[0051] In the preferred embodiment, referring to Figure 6 、 7 , 8, the second locking device 250 comprises a fixed arc sleeve 251, a sliding arc rod 252 and a second spring 253, the fixed arc sleeve 251 is closed at one end and the other end is provided with the sliding arc rod 252, the second spring 253 is arranged in the fixed arc sleeve 251, the sliding arc rod 252 is provided with a first limiting hole 257 and a second limiting hole 258, the fixed arc sleeve 251 is provided with a limiting sleeve 255 at the end where the sliding arc rod 252 extends out, the limiting rod 254 is arranged in the limiting sleeve 255, the middle outer wall of the limiting rod 254 is provided with a second flange 259, the limiting rod 254 is provided with a third spring 256 at the part arranged in the limiting sleeve 255, one end of the third spring 256 abuts against the second flange 259 and the other end abuts against the limiting sleeve 255, and the limiting rod 254 is inserted into the first limiting hole 257 or the second limiting hole 258 to limit the sliding arc rod 252.

[0052] By pushing and pulling the sliding arc rod 252, the limiting rod 254 is controlled, when the sliding arc rod 252 is fully extended, the heat exchange pipe end support of the thrust cooler 300 is clamped, when the limiting rod 254 is inserted into the first limiting hole 257, the sliding arc rod 252 is limited, when the sliding arc rod 252 is pushed into the fixed arc sleeve 251, the second spring 253 is compressed, when the limiting rod 254 is inserted into the second limiting hole 258, the sliding arc rod 252 is opened.

[0053] In the embodiment, the second locking device 250 is provided with two.

[0054] The use method or principle of the utility model:

[0055] Referring to Figure 1 , when the transfer, the pipe plate of the end of the thrust cooler 300 is placed in the groove-shaped seat 140, and the support of the heat exchange pipe end is placed on the placing seat 240.

[0056] Referring toFigure 2 , 5 When in use, pull the handle 158 to the left, and the movable pin 154 moves to the left. The first flange 155 compresses the first spring 156. After the movable pin 154 moves a certain distance to the left, the support plate of the thrust cooler 300 can be placed on the slotted seat 140. After adjusting the position of the thrust cooler 300, release the handle 158. The movable pin 154 moves to the right under the action of the first spring 156, thus passing through the mounting hole of the support plate on the thrust cooler 300.

[0057] Referring to 3 and 7, by pushing and pulling the sliding arc rod 252 and controlling the limiting rod 254, when the sliding arc rod 252 is fully extended, it will lock the heat exchange tube end bracket of the thrust cooler 300. When the limiting rod 254 is inserted into the first limiting hole 257, the sliding arc rod 252 will be limited. When the sliding arc rod 252 is pushed into the fixed arc sleeve 251, the second spring 253 will be compressed. When the limiting rod 254 is inserted into the second limiting hole 258, the sliding arc rod 252 will be opened.

[0058] Then, multiple people work together to push the first transfer vehicle 100 and the second transfer vehicle 200 to transfer the thrust cooler 300.

Claims

1. A drawer-type pusher cooler service device, characterized by: The utility model provides a first transfer trolley (100) and a second transfer trolley (200), the first transfer trolley (100) includes a first walking seat, a first lifting mechanism (130) is installed on the first walking seat, a slot-shaped seat (140) is installed on the first lifting mechanism (130), the second transfer trolley (200) includes a second walking seat, a second lifting mechanism (230) is installed on the second walking seat, and a placing seat (240) is installed on the second lifting mechanism (230).

2. The drawer push cooler service device of claim 1, wherein: The first walking seat includes a first support plate (110), four corners of the lower side of the first support plate (110) are respectively provided with first casters (120).

3. The drawer push cooler service device of claim 1, wherein: The second walking seat includes a second support plate (210), four corners of the lower side of the second support plate (210) are respectively provided with second casters (220).

4. The drawer push cooler service device of claim 1, wherein: The first lifting mechanism (130) and the second lifting mechanism (230) are scissors jack structures or scissor lift structures.

5. The drawer push cooler service device of claim 1, wherein: The slot-shaped seat (140) is further provided with a first locking device (150).

6. The drawer push cooler service device of claim 5, wherein: The first locking device (150) includes a shell (151), a movable pin (154) and a first spring (156), the middle part of the outer wall of the movable pin (154) is provided with a first flange (155), the movable pin (154) is movably arranged in the shell (151), one end of the movable pin (154) extends out of the shell (151), the other end of the movable pin (154) is provided with a handle (158), the shell (151) is provided with a gland (157) at one end of the handle (158), the first spring (156) is sleeved on a section of the movable pin (154) in the shell (151), one end of the first spring (156) abuts against the first flange (155), and the other end of the first spring (156) abuts against the gland (157).

7. The drawer push cooler service device of claim 6, wherein: The shell (151) is provided with an external thread (152) at one end away from the handle (158), and the shell (151) is further provided with a screwing part (153).

8. The drawer push cooler service device of claim 1, wherein: Both ends of the placing seat (240) are further provided with baffles (241).

9. The drawer push cooler service device of claim 1 or 8, wherein: The placing seat (240) is further provided with a second locking device (250).

10. The drawer push cooler service device of claim 9, wherein: The second locking device (250) comprises a fixed arc sleeve (251), a sliding arc rod (252) and a second spring (253), one end of the fixed arc sleeve (251) is closed, the other end is provided with the sliding arc rod (252), the second spring (253) is installed in the fixed arc sleeve (251), the sliding arc rod (252) is provided with a first limiting hole (257) and a second limiting hole (258), a limiting sleeve (255) is installed on the fixed arc sleeve (251) at an end where the sliding arc rod (252) extends out, a limiting rod (254) is slidably installed in the limiting sleeve (255), a second flange (259) is arranged on the outer wall of the middle part of the limiting rod (254), a third spring (256) is sleeved on the part of the limiting rod (254) in the limiting sleeve (255), one end of the third spring (256) abuts against the second flange (259), and the other end abuts against the limiting sleeve (255), and the limiting rod (254) is inserted into the first limiting hole (257) or the second limiting hole (258), so that the sliding arc rod (252) is limited.

Citation Information

Patent Citations

  • Hydro-turbo generator set thrust bearing drawer type coolers

    CN201125828Y

  • Scissor jack

    CN201473257U