Disassembling and assembling device for clamping bolt of plate heat exchanger

Abstract

The utility model discloses a dismounting and mounting device for a clamping bolt of a plate heat exchanger, which relates to the technical field of electric wrenches, and comprises an electric wrench and a bolt dismounting unit, the bolt dismounting unit comprises a lengthening rod, the lengthening rod is connected with the electric wrench, and the electric wrench is connected with the bolt dismounting unit. The bolt disassembling unit comprises a sliding sleeve and a lengthened rod, the lengthened rod is used for disassembling a long bolt, the bolt disassembling unit further comprises a limiting assembly used for limiting shaking of the sliding sleeve in the disassembling process, the lengthened rod and the limiting assembly are arranged, the long clamping bolt can be conveniently disassembled through the lengthened rod, time is saved, and efficiency is improved; the work cost is saved, labor force is liberated, it is guaranteed that the lengthening rod does not shake in the dismounting process through the limiting assembly, and the work efficiency and quality are further protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric wrench technical field especially relates to a plate heat exchanger clamping bolt dismounting device. BACKGROUND

[0002] In modern industrial production, plate heat exchangers are widely used in chemical, petroleum, power and other industries as important heat exchange equipment. During the installation, maintenance and repair of plate heat exchangers, the dismounting and installation of clamping bolts are crucial operation steps. However, the clamping bolts of plate heat exchangers are usually long, about 1.5 meters, and may be located in a relatively narrow and secluded area of the equipment, such as near the corner or blocked by other components, which makes it difficult for traditional mechanical tools such as electric wrenches to be used in limited space. Therefore, manual operation is often required to dismount these long bolts, increasing labor intensity and operation difficulty.

[0003] Although electric wrenches are widely used due to their high efficiency and easy operation, their application range is limited. Especially when facing long bolts, narrow working space or obstacles, the efficiency of electric tools is greatly reduced, and even cannot be used. At this time, manual dismounting not only takes time and effort, but also may have certain safety hazards, such as tools or bolts accidentally hitting the operator, increasing the risk of accidents,

[0004] Therefore, the utility model provides a plate heat exchanger clamping bolt dismounting device. UTILITY MODEL CONTENTS

[0005] In view of the above technical problems, the utility model discloses a plate heat exchanger clamping bolt dismounting device, which comprises an electric wrench, and further comprises a bolt dismounting unit. The bolt dismounting unit comprises an extension rod, the extension rod is connected with the electric wrench, and the extension rod is used for dismounting long bolts.

[0006] Further, the extension rod comprises an outer sleeve, a nut sleeve for fitting nuts is arranged on one end of the outer sleeve, a sliding groove one is arranged in the outer sleeve, a sliding sleeve is slidably connected in the sliding groove one, an inner sleeve is fixedly installed on the sliding sleeve, the inner sleeve is hollow, two symmetrically distributed sliding keys are arranged on the inner sleeve, a connecting column is fixedly installed on one end of the inner sleeve, and the connecting column is used in cooperation with the electric wrench.

[0007] Further, a rotating ring is slidably installed on the bottom end of the sliding sleeve, a plurality of uniformly distributed first springs are arranged between the rotating ring and the bottom end of the sliding groove one, the first end of the first spring is fixedly installed on the rotating ring, and the second end of the first spring is fixedly installed on the bottom end of the sliding groove one.

[0008] Further, the external sleeve is internally provided with a sliding groove two for matching the sliding key to slide, and the bottom of the sliding groove two is provided with a rotating groove which is a circular arc groove.

[0009] Further, the bolt dismounting unit further comprises a limiting assembly for limiting the sliding sleeve from shaking during the dismounting process, the limiting assembly comprises a limiting ring which is slidingly installed on the external sleeve, and a clamping plate frame is connected to the limiting ring, and a spring mechanism is arranged in the clamping plate frame.

[0010] Further, the spring mechanism comprises two symmetrically distributed clamping plates, and two symmetrically distributed clamping springs are arranged between the clamping plates and the clamping plate frame, and the first end of the clamping spring is fixedly installed on the clamping plate, and the second end of the clamping spring is fixedly installed on the clamping plate frame.

[0011] Further, a plurality of uniformly distributed sliding rods are arranged on the clamping plate frame and slidingly installed in the limiting ring.

[0012] Further, rubber is arranged on one side of the clamping plate.

[0013] The utility model discloses compared with prior art has the beneficial effects that: the utility model discloses be provided with lengthening rod and limiting assembly, through lengthening rod is convenient for the dismounting of long clamping bolt, saves time and improves efficiency, saves work cost and liberates labor force, through limiting assembly makes in the dismounting process, guarantee that lengthening rod does not appear the shaking, further protects work efficiency and quality. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic view of the utility model.

[0015] Figure 2 It is the internal structure schematic view of the external sleeve of the utility model.

[0016] Figure 3 It is the sliding sleeve structure schematic view of the utility model.

[0017] Figure 4 It is the part schematic view of the utility model.

[0018] Drawing reference: 1-fixed compression plate;2-joint flange;3-plate and gasket;4-clamping bolt;5-upper island beam;6-bracket;7-movable compression plate;8-lower island beam;9-anchorage;10-external sleeve;11-sliding sleeve;12-connection column;13-electric wrench;14-nut sleeve;15-sliding key;16-internal sleeve;17-sliding groove one;18-sliding groove two;19-rotating groove;20-limiting ring;21-clamping plate frame;22-clamping plate;23-clamping spring;24-nut. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0021] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. In addition, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances, and the present application will be further described in detail with reference to the drawings.

[0022] Embodiment: as Figures 1-4As shown, the plate heat exchanger includes a plate and gasket 3, a fixed compression plate 1 is installed on the first end of the plate and gasket 3, two connecting pipes are fixedly installed on the first end of the plate and gasket 3, connecting pipe flanges 2 are fixedly installed on the two connecting pipes, a movable compression plate 7 is installed on the second end of the plate and gasket 3, a clamping bolt 4 is provided through the plate and gasket 3, a nut 24 is threadedly connected to the clamping bolt 4, upper and lower island beams 5 and 8 are fixedly installed at the two ends of the movable compression plate 7, the upper and lower island beams 5 and 8 are commonly connected with a support 6, and a foot 9 is fixedly installed on the bottom end of the support 6. The plate heat exchanger is stably placed on the ground through the foot 9 and the fixed compression plate 1. Through the above scheme, the foot 9 and the fixed compression plate 1 are used in cooperation, so that the plate heat exchanger is more stable.

[0023] In the embodiment, a plate heat exchanger clamping bolt dismounting device includes an electric wrench 13 and a bolt dismounting unit. The bolt dismounting unit is used for dismounting the bolt in the plate heat exchanger. The bolt dismounting unit includes an elongated rod. The elongated rod is used for dismounting the bolt with a long length. Through the above scheme, the elongated rod makes it more convenient to dismount the bolt with a long length, improves the dismounting efficiency, reduces the labor intensity of workers, and further reduces the later work cost.

[0024] The elongated rod includes an outer sleeve 10. One end of the outer sleeve 10 is provided with a nut sleeve 14 used for abutting the nut 24. The outer sleeve 10 is provided with a sliding groove one 17. The sliding sleeve 11 is slidably connected in the sliding groove one 17. The inner sleeve 16 is fixedly installed on the sliding sleeve 11. The inner sleeve 16 is hollow. The inner sleeve 16 is provided with two symmetrically distributed sliding keys 15. One end of the inner sleeve 16 is fixedly installed with a connecting column 12. The connecting column 12 is used in cooperation with the electric wrench 13. Through the above scheme, after the inner sleeve 16 is in contact with one end of the clamping bolt 4, the outer sleeve 10 is concentric with the clamping bolt 4. The nut sleeve 14 is conveniently abutted to be dismounted. Then the sliding sleeve 11 is slid in the outer sleeve 10. Further, the elongated rod becomes longer, so that the clamping bolt 4 with a longer length is conveniently dismounted.

[0025] The bottom end of the sliding sleeve 11 is slidably installed with a rotating ring. A plurality of uniformly distributed first springs are arranged between the bottom end of the rotating ring and the bottom end of the sliding groove one 17. The first end of the first spring is fixedly installed on the rotating ring. The second end of the first spring is fixedly installed on the bottom end of the sliding groove one 17. The inner sleeve 10 is provided with a sliding groove two 18 used for cooperating with the sliding of the sliding key 15. The bottom of the sliding groove two 18 is provided with a rotating groove 19. The rotating groove 19 is a circular arc groove. Through the above scheme, when dismounting, the nut sleeve 14 on the outer sleeve 10 is always abutted to the nut 24 through the first spring, and will not be in a state of disengagement.

[0026] The bolt dismounting unit further comprises a limiting assembly for limiting the shaking of the sliding sleeve 11 during dismounting, the limiting assembly comprising a limiting ring 20 which is slidingly installed on the outer sleeve 10, a clamping plate frame 21 being connected to the limiting ring 20, a spring mechanism being arranged in the clamping plate frame 21, the spring mechanism comprising two symmetrically distributed clamping plates 22, two symmetrically distributed clamping springs 23 being arranged between the clamping plates 22 and the clamping plate frame 21, the first end of the clamping spring 23 being fixedly installed on the clamping plate 22, the second end of the clamping spring 23 being fixedly installed on the clamping plate frame 21, the clamping plate 22 being in contact with the support 6, a plurality of uniformly distributed sliding rods being arranged on the clamping plate frame 21, the sliding rods being slidingly installed in the limiting ring 20, rubber being arranged on the surface of the clamping plate 22 which is in contact with the support 6, so as to prevent scratching the support 6, through the above-mentioned scheme, the clamping plate 22 is tightly attached to the support 6 through the clamping spring 23, so as to ensure that the extension rod will not displace during working, and the sliding rods on the clamping plate frame 21 slidingly in the limiting ring 20, so as to facilitate dismounting the clamping bolt 4 which is far away from the support 6, and improve the practicability of the device.

[0027] Working principle: first, move the two clamping plates 22, then place the support 6 between the two clamping plates 22, then loosen the clamping plates 22, the clamping spring 23 tightly attaches the clamping plate 22 to the surface of the support 6 through its own elastic force, the rubber arranged on the clamping plate 22 avoids scratching the support 6, then insert the clamping bolt 4 into the inner sleeve 16, hold the sliding sleeve 11 with one hand, and rotate the outer sleeve 10 with the other hand, the sliding key 15 on the inner sleeve 16 is out of contact with the rotating groove 19, then the sliding key 15 on the inner sleeve 16 is in contact with the sliding groove two 18, the outer sleeve 10 slides on the inner sleeve 16 through the first spring, then the nut sleeve 14 on the outer sleeve 10 is in contact with and tightly attached to the nut 24, then the electric wrench 13 is connected with the connecting column 12, the connecting column 12 is rotated by the electric wrench 13, the connecting column 12 drives the sliding key 15 to rotate through the inner sleeve 16, the sliding key 15 drives the outer sleeve 10 to rotate through the sliding groove two 18, the outer sleeve 10 drives the nut 24 to rotate through the nut sleeve 14, so as to dismount the clamping bolt 4, after dismounting, press the outer sleeve 10, so that the sliding key 15 on the inner sleeve 16 is in contact with the rotating groove 19, then rotate the outer sleeve 10, so that the sliding key 15 on the inner sleeve 16 slides on the rotating groove 19 and is out of contact with the sliding groove two 18, when dismounting is completed and the next clamping bolt 4 needs to be dismounted, move the clamping plate 22, so that the clamping plate 22 reaches the next dismounting position, loosen the clamping plate 22, so that the clamping plate 22 is tightly in contact with the support 6, then dismount the next clamping bolt 4 to be dismounted.

[0028] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A plate heat exchanger clamping bolt dismounting device comprising an electric power wrench (13), characterized in that: Also include bolt dismounting unit, bolt dismounting unit includes lengthening rod, lengthening rod is connected with electric wrench (13), lengthening rod is dismounted to long bolt; The lengthening rod includes an outer sleeve (10), a nut sleeve (14) for fitting a nut is arranged on one end of the outer sleeve (10), a sliding groove (17) is arranged in the outer sleeve (10), a sliding sleeve (11) is slidably connected in the sliding groove (17), an inner sleeve (16) is fixedly installed on the sliding sleeve (11), the inner sleeve (16) is hollow, two symmetrically distributed sliding keys (15) are arranged on the inner sleeve (16), a connecting column (12) is fixedly installed on one end of the inner sleeve (16), and the connecting column (12) is used in cooperation with the electric wrench (13).

2. A plate heat exchanger clamp bolt dismounting device according to claim 1, characterized in that: A rotating ring is slidably installed on the bottom end of the sliding sleeve (11), a plurality of uniformly distributed first springs are arranged between the rotating ring and the bottom end of the sliding groove (17), the first end of the first spring is fixedly installed on the rotating ring, and the second end of the first spring is fixedly installed on the bottom end of the sliding groove (17).

3. A plate heat exchanger clamp bolt dismounting device according to claim 1, characterized in that: The inner sleeve (16) is hollow, two symmetrically distributed sliding keys (15) are arranged on the inner sleeve (16), a connecting column (12) is fixedly installed on one end of the inner sleeve (16), and the connecting column (12) is used in cooperation with the electric wrench (13).

4. A plate heat exchanger clamp bolt dismounting device according to claim 1, characterized in that: The outer sleeve (10) is internally provided with a sliding groove (18) for cooperating with the sliding of the sliding key (15), and the bottom of the sliding groove (18) is provided with a rotating groove (19), which is a circular arc groove.

5. A plate heat exchanger clamp bolt dismounting device according to claim 4, characterized in that: The bolt dismounting unit further includes a limiting assembly for limiting the shaking of the sliding sleeve (11) during dismounting, the limiting assembly includes a limiting ring (20), the limiting ring (20) is slidably installed on the outer sleeve (10), the limiting ring (20) is connected with a clamping frame (21), and the clamping frame (21) is provided with a spring mechanism.

6. A plate heat exchanger clamp bolt dismounting device according to claim 5, characterized in that: The spring mechanism includes two symmetrically distributed clamping plates (22), two symmetrically distributed clamping springs (23) are arranged between the clamping plates (22) and the clamping frame (21), the first end of the clamping spring (23) is fixedly installed on the clamping plate (22), and the second end of the clamping spring (23) is fixedly installed on the clamping frame (21).

7. A plate heat exchanger clamp bolt dismounting device according to claim 6, characterized in that: A plurality of uniformly distributed sliding rods are arranged on the clamping frame (21) and slidably installed in the limiting ring (20). Rubber is arranged on one side of the clamping plate (22).

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