Multifunctional petrochemical heat exchanger tube bundle maintenance core-pulling device

Abstract

The utility model discloses a multifunctional petrochemical heat exchanger tube bundle maintenance core-pulling device, and relates to the technical field of core-pulling devices.The device comprises a base, a containing groove is formed in one end of the base, an adjusting mechanism is arranged in the containing groove, the adjusting mechanism comprises fixing seats, the fixing seats are symmetrically and fixedly installed in the containing groove, and the fixing seats are arranged in the containing groove. First sliding grooves are symmetrically formed in the outer portion of the fixing base, a first rotating base is slidably installed on the outer portion of the fixing base through the first sliding grooves, second sliding grooves are symmetrically formed in the outer portion of the first rotating base, and a second rotating base is slidably installed on the outer portion of the first rotating base through the second sliding grooves. According to the core pulling device, the device can be in butt joint with heat exchangers of different sizes through the adjusting mechanism, the device can be supported by the ground in the core pulling process through the supporting mechanism, then the core pulling stability is improved, and meanwhile the supporting mechanism can be stored when not used.

Description

TECHNICAL FIELD

[0001] The utility model relates to core pulling device technical field, concretely is multifunctional petrochemical heat exchanger tube bundle maintenance core pulling device. BACKGROUND

[0002] Heat exchanger is the equipment that passes on part heat of hot fluid to cold fluid, also called heat exchanger, and heat exchanger occupies important position in chemical industry, petroleum, power, food and other many industrial production, and heat exchanger can be used as heater, cooler, condenser, evaporator and reboiler etc. in chemical production, and is widely applied, and the core of heat exchanger needs to be pulled out from the heat exchanger in the maintenance process of heat exchanger, at this time, core pulling device needs to be used.

[0003] Through the retrieval disclosure number CN213857924U3 a thread locking ring pipe bundle extraction frock, including heat exchanger shell, the inside movable mounting of heat exchanger shell has pipe bundle main body, by being provided with connecting mechanism, guarantee the stability of connection, namely can pull out pipe bundle main body from heat exchanger shell, but, the size of the external flange of heat exchanger is not same, through the above-mentioned method, only the core of the same size heat exchanger is handled, leading to poor applicability, and the common core pulling device does not have supporting structure, and is only supported by crane, and the stability is poor when pulling out the core.

[0004] Based on this, the multifunctional petrochemical heat exchanger tube bundle maintenance core pulling device is provided, which can eliminate the disadvantages of the existing device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing multifunctional petrochemical heat exchanger tube bundle maintenance core pulling device to solve the problem of poor adaptability and low stability in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] Multifunctional petrochemical heat exchanger tube bundle maintenance core pulling device, including base, the one end of base is set up and placed groove, the inside of placed groove is equipped with adjusting mechanism,

[0008] The adjusting mechanism includes fixed seat, the fixed seat is fixedly installed in the inside of placed groove, the outside of fixed seat is symmetrically set up with first sliding slot, the outside of fixed seat is slidably installed with first rotating seat through first sliding slot, the outside of first rotating seat is symmetrically set up with second sliding slot, the outside of first rotating seat is slidably installed with second rotating seat through second sliding slot, and the bottom four corners of base are equipped with supporting mechanism.

[0009] On the basis of the above technical scheme, the utility model further provides the following optional technical scheme:

[0010] In an optional scheme, the inside of the base is symmetrically fixedly provided with a hydraulic cylinder, and the output end of the hydraulic cylinder is provided with a clamping plate.

[0011] In an optional scheme, the top of the base is slidably provided with a sliding seat.

[0012] In an optional scheme, the top of the base is provided with a first mounting groove, the inside of the first mounting groove is rotatably provided with a first lead screw, the input end of the first lead screw is key-groove connected with a first motor, the first motor and the base are fixedly connected, and the outside of the first lead screw is provided with a pulling mechanism.

[0013] In an optional scheme, the pulling mechanism comprises a moving seat, the moving seat and the first lead screw are threadedly connected, the moving seat and the base are slidably connected, the outside of one side of the moving seat is provided with a second mounting groove, the inside of the second mounting groove is rotatably provided with a second lead screw, the input end of the second lead screw is key-groove connected with a second motor, the second motor and the moving seat are fixedly connected, and the outside of the second lead screw is threadedly connected with a lifting block.

[0014] In an optional scheme, the outside of the base is fixedly provided with a fixed block on both sides.

[0015] In an optional scheme, the supporting mechanism comprises a receiving groove, the receiving groove is arranged at the bottom of the base at four corners, the inside of the receiving groove is rotatably provided with a supporting leg, one end of the supporting leg is threadedly connected with a threaded column, and one end of the threaded column is fixedly provided with a foot pad.

[0016] In an optional scheme, the outside of the base is provided with a limiting groove on both sides, the inside of the limiting groove is slidably provided with a limiting block, the outside of the limiting block is threadedly connected with a first knob, the bottom of the base is rotatably provided with a baffle, and the bottom of one end of the baffle is threadedly connected with a second knob.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1、The adjusting mechanism is arranged, so that the device can be connected with heat exchangers of different sizes, and the practicability of the device is improved.

[0019] 2、The supporting mechanism is arranged, so that the device can be supported by the ground during the core pulling process, the stability of the core pulling is improved, and the supporting mechanism can be stored when not in use, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole internal structure schematic view of the utility model.

[0021] Figure 2The adjusting mechanism structural schematic view of the utility model.

[0022] Figure 3 The first motor installation structural schematic view of the utility model.

[0023] Figure 4 The pulling mechanism structural schematic view of the utility model.

[0024] Figure 5 The utility model discloses Figure 3 The enlarged structural schematic view of A in the utility model.

[0025] Mark annotation: 1, base, 2, place groove, 3, adjusting mechanism, 301, fixed seat, 302, first sliding slot, 303, first rotating seat, 304, second sliding slot, 305, second rotating seat, 4, hydraulic cylinder, 5, clamping plate, 6, sliding seat, 7, first installation slot, 8, first screw rod, 9, first motor, 10, pulling mechanism, 1001, moving seat, 1002, second installation slot, 1003, second screw rod, 1004, second motor, 1005, lifting block, 11, fixed block, 12, support mechanism, 1201, storage groove, 1202, support leg, 1203, threaded column, 1204, foot pad, 13, limiting groove, 14, limiting block, 15, first knob, 16, baffle, 17, second knob. Specific embodiments

[0026] In order to make the utility model's purpose, technical scheme and advantage more clearly clear, the following is combined with the drawing and example, and the utility model is further detailed.

[0027] In one embodiment, as shown in Figures 1-5 Multifunctional petrochemical heat exchanger tube bundle maintenance core pulling device, including base 1, the one end of base 1 is set with place groove 2, the inside of place groove 2 is equipped with adjusting mechanism 3;

[0028] Adjusting mechanism 3 includes fixed seat 301, fixed seat 301 is fixedly installed in the inside of place groove 2, the outside of fixed seat 301 is set with first sliding slot 302, the outside of fixed seat 301 is slidably installed with first rotating seat 303 by first sliding slot 302, the outside of first rotating seat 303 is set with second sliding slot 304, the outside of first rotating seat 303 is slidably installed with second rotating seat 305 by second sliding slot 304, the bottom four corners of base 1 are equipped with support mechanism 12.

[0029] In the embodiment, one end of the base 1 provided with the placing groove 2 is close to the heat exchanger, the outer flange of the heat exchanger is placed above the two adjusting mechanisms 3, the sizes of different heat exchangers are different, through the cooperation between the first sliding groove 302 and the first rotating seat 303 and the cooperation between the second sliding groove 304 and the second rotating seat 305, the eight second rotating seats 305 are attached to the bottom of the outer flange of the heat exchanger, the structure is simple, and the heat exchanger of different sizes is adapted.

[0030] In one embodiment, as shown in Figure 1 , the inside of the base 1 is symmetrically and fixedly provided with a hydraulic cylinder 4, the output end of the hydraulic cylinder 4 is provided with a clamping plate 5, after the heat exchanger flange is placed above the adjusting mechanism 3, the hydraulic cylinder 4 is retracted to drive the clamping plate 5 to move, the two clamping plates 5 are attached to the outer part of the flange to clamp, and then the heat exchanger is fixed with the base 1, so that the stability of the core pulling is ensured.

[0031] In one embodiment, as shown in Figure 1 , the top of the base 1 is slidably provided with a sliding seat 6, the height of the sliding seat 6 can be adjusted, which is a conventional technical means of the core pulling device, and does not need to be described in detail, the sliding seat 6 is used for supporting the pulled core, and the stability of the core pulling is improved.

[0032] In one embodiment, as shown in Figure 1 and Figure 3 , the top of the base 1 is provided with a first mounting groove 7, the inside of the first mounting groove 7 is rotatably provided with a first lead screw 8, the input end of the first lead screw 8 is connected with a first motor 9 in a key groove, the first motor 9 and the base 1 are fixedly installed, the outer part of the first lead screw 8 is provided with a pulling mechanism 10, the first lead screw 8 is driven to rotate by the work of the first motor 9, and the pulling mechanism 10 is moved by the rotation of the first lead screw 8.

[0033] In one embodiment, as shown in Figure 1 and Figure 4As shown, the pulling mechanism 10 comprises a moving seat 1001 which is in threaded connection with the first lead screw 8, is in sliding installation with the base 1, and has a second installation groove 1002 opened on one side of the outer portion of the moving seat 1001, and the second installation groove 1002 has a second lead screw 1003 rotatably installed in the inner portion of the second installation groove 1002, the second lead screw 1003 has a second motor 1004 in key groove connection with the input end of the second lead screw 1003, the second motor 1004 is in fixed installation between the second motor 1004 and the moving seat 1001, and the second lead screw 1003 has a lifting block 1005 in threaded connection with the outer portion of the second lead screw 1003, the moving seat 1001 is moved to one end of the heat exchanger core through the working of the first motor 9, the lifting block 1005 is located below the flange at one end of the heat exchanger core, the second lead screw 1003 is driven to rotate through the working of the second motor 1004, the lifting block 1005 is driven to move upwards through the rotation of the second lead screw 1003, the lifting block 1005 supports the heat exchanger core, and the moving seat 1001 is slid back through the reverse rotation of the first motor 9, so that the heat exchanger core is pulled out of the heat exchanger.

[0034] In one embodiment, as shown in Figure 1 , the outer portion of the base 1 is fixedly installed with a fixed block 11 on both sides, the fixed block 11 is used for connection with a rope, the rope is connected with a crane, and the movement of the base 1 is controlled through the crane.

[0035] In one embodiment, as shown in Figure 1 , Figure 3 , Figure 5 , the support mechanism 12 comprises a receiving groove 1201 which is opened at the bottom of the base 1 at four corners, the receiving groove 1201 has a supporting leg 1202 rotatably installed in the inner portion of the receiving groove 1201, one end of the supporting leg 1202 is in threaded connection with a threaded column 1203, one end of the threaded column 1203 is fixedly installed with a foot pad 1204, the base 1 is moved through the crane, the base 1 is fixed with the outer flange of the heat exchanger, the supporting leg 1202 is rotated to be vertical, the foot pad 1204 is in contact with the ground through the rotation of the threaded column 1203, the four supporting legs 1202 support the base 1, the stability of the core pulling is improved, and the threaded column 1203 can be used on uneven ground, and the practicability is improved.

[0036] In one embodiment, as shown in Figure 1 and Figure 3As shown, the outer two sides of the base 1 are provided with limiting grooves 13, the limiting grooves 13 are internally slidably installed with limiting blocks 14, the limiting blocks 14 are externally threadedly connected with first knobs 15, the bottom of the base 1 is rotatably installed with a baffle 16, one end of the bottom of the baffle 16 is threadedly connected with a second knob 17, before rotating the supporting leg 1202, first loosen the second knob 17, rotate the baffle 16, so that the baffle 16 removes the blocking of the supporting leg 1202, at this time the supporting leg 1202 can be rotated to vertical, then loosen the first knob 15, slide the limiting block 14 downward, limit the supporting leg 1202, improve the stability of the supporting leg 1202, when the supporting leg 1202 is not needed, slide the limiting block 14 upward to not block the supporting leg 1202, at this time rotate the supporting leg 1202 into the inside of the storage groove 1201, rotate the baffle 16, so that the baffle 16 blocks the supporting leg 1202, avoid the supporting leg 1202 rotating downward, have the supporting leg 1202 storage function, convenient to use.

[0037] The above embodiment discloses a multifunctional petrochemical heat exchanger tube bundle maintenance core extraction device, the fixed block 11 is used for connecting with the rope, the rope is connected with the crane, the movement of the base 1 is controlled through the crane, one end of the base 1 provided with the placing groove 2 is close to the heat exchanger, the outer flange of the heat exchanger is placed above the two adjusting mechanisms 3, the sizes and diameters of different heat exchangers are different, through the cooperation between the first sliding groove 302 and the first rotating seat 303 and the cooperation between the second sliding groove 304 and the second rotating seat 305, the eight second rotating seats 305 are attached to the bottom of the outer flange of the heat exchanger, the hydraulic cylinder 4 is retracted to drive the clamping plates 5 to move, the two clamping plates 5 are attached to the outer flange to be clamped, and then the heat exchanger is fixed with the base 1, the supporting leg 1202 is rotated to vertical, the foot pad 1204 is in contact with the ground through the rotating threaded column 1203, the four supporting legs 1202 support the base 1, the first knob 15 is loosened, the limiting block 14 is slid downward to limit the supporting leg 1202, the moving seat 1001 is moved to one end of the heat exchanger core through the work of the first motor 9, the lifting block 1005 is located below the flange at one end of the heat exchanger core, the second screw rod 1003 is rotated through the work of the second motor 1004, the second screw rod 1003 rotates to drive the lifting block 1005 to move upward, so that the lifting block 1005 supports the heat exchanger core, the moving seat 1001 is slid back through the reverse rotation of the first motor 9, and then the heat exchanger core is extracted from the heat exchanger.

[0038] The above only describes specific embodiments of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. Multifunctional petrochemical heat exchanger tube bundle maintenance core pulling device, including base (1), one end of base (1) is provided with placing groove (2), adjusting mechanism (3) is arranged inside placing groove (2); characterized in that The adjusting mechanism (3) includes a fixed seat (301), which is symmetrically fixed in the inside of the placing groove (2), and a first sliding groove (302) is symmetrically arranged on the outside of the fixed seat (301), and a first rotating seat (303) is slidably installed on the outside of the fixed seat (301) through the first sliding groove (302), and a second sliding groove (304) is symmetrically arranged on the outside of the first rotating seat (303), and a second rotating seat (305) is slidably installed on the outside of the first rotating seat (303) through the second sliding groove (304), and the bottom of the base (1) is provided with a supporting mechanism (12).

2. The multi-functional petrochemical heat exchanger tube bundle maintenance core pulling device according to claim 1, characterized in that, The inside of the base (1) is symmetrically fixed with a hydraulic cylinder (4), and the output end of the hydraulic cylinder (4) is provided with a clamping plate (5).

3. The multi-functional petrochemical heat exchanger tube bundle maintenance core pulling device according to claim 1, characterized in that, The top of the base (1) is slidably installed with a sliding seat (6).

4. The multi-functional petrochemical heat exchanger tube bundle maintenance core pulling device according to claim 1, characterized in that, The top of the base (1) is provided with a first mounting groove (7), and the first mounting groove (7) is rotatably installed with a first lead screw (8), and the input end of the first lead screw (8) is connected with a first motor (9), and the first motor (9) and the base (1) are fixedly installed, and the outside of the first lead screw (8) is provided with a pulling mechanism (10).

5. The multi-functional petrochemical heat exchanger tube bundle maintenance core pulling device according to claim 4, characterized in that, The pulling mechanism (10) includes a moving seat (1001), which is threadedly connected with the first lead screw (8), and is slidably installed with the base (1), and the outside of the moving seat (1001) is provided with a second mounting groove (1002), and the second mounting groove (1002) is rotatably installed with a second lead screw (1003), and the input end of the second lead screw (1003) is connected with a second motor (1004), and the second motor (1004) and the moving seat (1001) are fixedly installed, and the outside of the second lead screw (1003) is threadedly connected with a lifting block (1005).

6. The multi-functional petrochemical heat exchanger tube bundle maintenance core pulling device according to claim 1, characterized in that, The outside of the base (1) is fixedly installed with a fixed block (11).

7. The multi-functional petrochemical heat exchanger tube bundle maintenance core pulling device according to claim 1, characterized in that, The supporting mechanism (12) includes a receiving groove (1201), which is arranged at the bottom of the base (1), and a supporting leg (1202) is rotatably installed in the inside of the receiving groove (1201), and a threaded column (1203) is threadedly connected with one end of the supporting leg (1202), and a foot pad (1204) is fixedly installed at one end of the threaded column (1203).

8. The multi-functional petrochemical heat exchanger tube bundle maintenance core pulling device of claim 1, wherein, The outside of the base (1) is provided with a limiting groove (13), and the limiting groove (13) is slidably installed with a limiting block (14), and the outside of the limiting block (14) is threadedly connected with a first knob (15), and the bottom of the base (1) is rotatably installed with a baffle (16), and the bottom of the baffle (16) is threadedly connected with a second knob (17).

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