Hydraulic nut convenient to use and install

Abstract

The utility model relates to the technical field of hydraulic nuts, and discloses a hydraulic nut convenient to use and install, which comprises an installation groove, a top fixing ring is fixedly connected outside the installation groove, an installation nut is in threaded connection inside the installation groove, and a control mechanism is fixedly connected outside a hydraulic containing body. A first sealing ring is fixedly connected to the interior of the connecting pipe, a power assembly is fixedly connected to the inner side of the top of the connecting block, a downward-pressing flow limiting plate is slidably connected to the interior of the connecting block, and a pressing plate is fixedly connected to the right side of the downward-pressing flow limiting plate. The electric telescopic rod drives the pressing plate and the like to slide in the connecting block, work of the hydraulic nut is not affected, the connecting outer pipe can be rapidly installed, maintained and replaced, hydraulic oil can be conveniently replaced when the extension spring and the electric telescopic rod are pushed upwards, oil leakage is reduced when the connecting outer pipe is connected with the connecting block, efficiency is greatly improved, and cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic nut technical field especially, relates to a kind of hydraulic nuts of easy to use installation. BACKGROUND

[0002] In the installation and maintenance of mechanical equipment, hydraulic nut device is widely used because of pre-tightening force exertion ability, hydraulic nut is a kind of device using hydraulic principle to realize bolt and nut pre-tightening, hydraulic nut is widely used in industrial field.

[0003] Hydraulic nut is mainly composed of installation groove, hydraulic containment body, installation nut and the like, when working, first, hydraulic nut is installed to the bolt and equipment needing fastening, installation groove plays the role of accurate positioning, ensure the close combination of nut and bolt, then, hydraulic containment body is filled with hydraulic oil, when hydraulic oil expands under the action of pressure, it will push installation nut to produce axial movement, thereby exerting huge force on bolt.

[0004] In prior art, part of hydraulic nut device liquid is not controlled, which can cause unstable pressure of hydraulic system, thereby affecting assembly speed, secondly, when hydraulic nut is used, internal liquid is not controlled, which makes installation, maintenance and replacement of garbage outer pipe difficult, reduces efficiency and increases cost, in view of the above problems, a kind of hydraulic nut of easy to use installation is provided. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of hydraulic nut of easy to use installation, to improve the problem that part of device in prior art cannot be controlled during use to make quick installation and replacement.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A kind of hydraulic nut of easy to use installation, including installation groove, the outside of the installation groove is fixedly connected with top fixed ring, the outside of the installation groove is fixedly connected with hydraulic containment body, the inside of the installation groove is threadedly connected with installation nut, the outside of the hydraulic containment body is fixedly connected with control mechanism, the bottom of the hydraulic containment body is fixedly connected with bottom fixed ring, the bottom of the hydraulic containment body and the inside of bottom fixed ring are fixedly connected with multifunctional mechanism, the control mechanism includes connecting pipe, connecting block, the outside right side of the connecting pipe is fixedly connected in the inside of the hydraulic containment body, the inside of the connecting pipe is fixedly connected with sealing ring one, the top inside of the connecting block is fixedly connected with power component, the inside of the connecting block is slidably connected with lower pressure flow limiting plate, the right side of the lower pressure flow limiting plate is fixedly connected with pressing plate;

[0008] Further, the mounting groove is externally connected with the top fixing ring and the hydraulic containing body, is internally threadedly connected with the mounting nut, is connected with the bottom fixing ring at the bottom, the bottom of the hydraulic containing body is fixed with the multifunctional mechanism, the outside is connected with the control mechanism, the control mechanism is composed of a connecting pipe and a connecting block, the connecting pipe is internally provided with a sealing ring one, the connecting block is internally slidably connected with a downward pressing flow limiting plate, the right side of the downward pressing flow limiting plate is connected with a pressing plate, a power assembly is located at the top of the connecting block and the inside, the downward pressing flow limiting plate is operated through the pressing plate, the hydraulic control function is realized, the stress of the nut is uniformly ensured during the installation process, the installation efficiency and reliability are improved, and the fastening demand of various equipment is met.

[0009] As a further description of the above technical solution:

[0010] The power assembly comprises an electric telescopic rod, the bottom of the electric telescopic rod is fixedly connected to the top of the connecting block, the top of the connecting block is fixedly connected with a tension spring, and the output end of the electric telescopic rod is fixedly connected to the top of the pressing plate.

[0011] Further, the electric telescopic rod is fixedly connected to the connecting block at the bottom, the output end of the electric telescopic rod is connected to the pressing plate, the hydraulic control is realized through telescopic movement of the electric telescopic rod to push the pressing plate, and the tension spring is arranged at the top of the connecting block and functions as buffering and resetting, so that the pressing plate can be stably moved when the electric telescopic rod is actuated.

[0012] As a further description of the above technical solution:

[0013] The inside of the connecting block is slidably connected with a sealing ring one at the right side, the right side of the connecting block is slidably connected with a sealing ring two, and the inside of the connecting block is threadedly connected with a connecting outer pipe.

[0014] Further, the inside of the connecting block is slidably connected with a sealing ring one at the right side, the right side of the connecting block is slidably connected with a sealing ring two, and the inside of the connecting block is threadedly connected with a connecting outer pipe, the sealing ring one and the sealing ring two function to prevent leakage of hydraulic oil and ensure the sealing property of the hydraulic system.

[0015] As a further description of the above technical solution:

[0016] The multifunctional mechanism comprises a plurality of telescopic springs, the upper and lower sides of the telescopic springs are fixedly connected to the inside of the hydraulic containing body, a plurality of adjusting holes are arranged in the inside of the hydraulic containing body, and the inside of the bottom fixing ring is threadedly connected with a detachable assembly.

[0017] Further, the upper and lower sides of the telescopic springs are fixedly connected to the inside of the hydraulic containing body, function as supporting and buffering, can absorb vibration and impact in the hydraulic system, and a plurality of adjusting holes are arranged in the inside of the hydraulic containing body and used for adjusting the flow and pressure of the hydraulic oil.

[0018] As a further description of the above technical solution:

[0019] The detachable assembly comprises a plurality of bolts, outer threads of the plurality of bolts are connected to the inside of the bottom fixing ring, a fixed plate is slidably connected to the bottom of the bottom fixing ring, and bottom threads of the plurality of bolts are connected to the inside of the fixed plate;

[0020] Further, the detachable assembly is connected to the bottom fixing ring through the plurality of bolts, the outer threads of the bolts are matched with the inner threads of the bottom fixing ring to achieve stable connection, the bottom of the bottom fixing ring is slidably connected to the fixed plate, and the bottom of the bolts is connected to the inner threads of the fixed plate, so that the detachable assembly is convenient to disassemble and assemble, and the use flexibility and maintenance efficiency are improved.

[0021] As a further description of the above technical solution:

[0022] The outer part of the hydraulic container is fixedly connected with two connecting fixed discs, and the inner part of the connecting fixed disc is fixedly connected with a cooling pipe.

[0023] Further, the hydraulic container is externally provided with two connecting fixed discs, and the cooling pipe is fixedly connected in the connecting fixed disc, so as to stably connect and cool, and ensure stable operation of the hydraulic system.

[0024] As a further description of the above technical solution:

[0025] The outer part of one of the connecting fixed discs is fixedly connected with an air inlet pipe, and the outer part of the other connecting fixed disc is fixedly connected with a liquid inlet;

[0026] Further, the two connecting fixed discs of the hydraulic container are connected with the air inlet pipe and the liquid inlet respectively, the air inlet pipe is used for balancing the air pressure inside and outside the hydraulic container, preventing the liquid from flowing normally due to pressure difference, and the liquid inlet is used for delivering liquid to the hydraulic system to meet the hydraulic oil required by system operation.

[0027] As a further description of the above technical solution:

[0028] The outer left side of the lower pressure limiting plate is slidably connected to the outer right side of the second sealing ring, and the outer part of the connecting outer pipe is slidably connected to the outer part of the second sealing ring.

[0029] Further, the outer left side of the lower pressure limiting plate is slidably connected to the outer right side of the second sealing ring, and the outer part of the connecting outer pipe is slidably connected to the outer part of the second sealing ring.

[0030] The utility model has the advantages of:

[0031] 1. In this utility model, the bolt tightening and loosening can be completed quickly and accurately through the hydraulic nut. The electric telescopic rod drives the pressing plate and other components to slide in the connecting block without affecting the operation of the hydraulic nut. It can quickly install, maintain and replace the connecting outer tube. When the tension spring and the electric telescopic rod are pushed up, it is convenient to replace the hydraulic oil. Moreover, when the connecting outer tube is connected to the connecting block, oil leakage is reduced, which greatly improves efficiency and saves costs.

[0032] 2. In this utility model, multiple telescopic springs inside the hydraulic nut can enhance stability. The position of the nut can be flexibly adjusted through multiple adjustment holes at the bottom of the hydraulic housing. The fixing ring is quickly connected to the fixing plate with bolts, which can adapt to various working needs, improve the stability of the equipment during installation, and facilitate installation during use. Attached Figure Description

[0033] Figure 1 This is a three-dimensional schematic diagram of a hydraulic nut that is easy to use and install according to the present invention.

[0034] Figure 2 A schematic diagram of the structure of a hydraulic nut housing that is easy to use and install, as proposed in this utility model;

[0035] Figure 3 This utility model provides a schematic diagram of the top fixing ring of a hydraulic nut that is easy to use and install.

[0036] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0037] Figure 5 A schematic diagram of the structure of a fixing plate for a hydraulic nut that is easy to use and install, as proposed in this utility model;

[0038] Figure 6 for Figure 5 Enlarged view of point B in the middle.

[0039] Legend:

[0040] 1. Mounting slot; 2. Hydraulic housing; 3. Mounting nut; 4. Top fixing ring; 5. Bottom fixing ring; 6. Fixing plate; 7. Connecting pipe; 8. Sealing ring one; 9. Electric telescopic rod; 10. Tension spring; 11. Pressing plate; 12. Downward pressure limiting plate; 13. Connecting block; 14. Connecting outer pipe; 15. Cooling pipe; 16. Connecting fixing plate; 17. Air inlet pipe; 18. Telescopic spring; 19. Adjustment hole; 20. Bolt; 21. Liquid inlet; 22. Sealing ring two. Detailed Implementation

[0041] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0042] With reference to Figure 1 , Figure 3 and Figure 4 , the present application provides an embodiment: a hydraulic nut convenient to use and install, comprising a mounting groove 1, the mounting groove 1 is the basic structure part of the hydraulic nut, which is designed with a thread inside, used for threaded connection with the mounting nut 3, this threaded connection mode enables the mounting nut 3 to be firmly fixed in the mounting groove 1, thereby realizing the close connection between the hydraulic nut and the connected component, the outside of the mounting groove 1 is fixedly connected with a top fixing ring 4, the top fixing ring 4 enhances the overall structural stability of the hydraulic nut, through the fixed connection with the mounting groove 1, the top fixing ring 4 can effectively prevent the mounting groove 1 from deforming and displacing during use, ensuring that the hydraulic nut can still maintain a stable connection state when bearing a large pressure, the outside of the mounting groove 1 is fixedly connected with a hydraulic containing body 2, the hydraulic containing body 2 is one of the core components of the hydraulic nut, used for containing hydraulic medium such as hydraulic oil, providing a power source for the normal work of the hydraulic nut, the inside of the mounting groove 1 is threadedly connected with the mounting nut 3, the mounting nut 3 fixes the hydraulic nut on the connected component, the outside of the hydraulic containing body 2 is fixedly connected with a control mechanism, the control mechanism comprises a connecting pipe 7 and a connecting block 13, the connecting pipe 7 is used to lead the hydraulic medium out of the inside of the hydraulic containing body 2;

[0043] The outer right side of the connecting pipe 7 is fixedly connected to the inside of the hydraulic containing body 2, the inside of the connecting pipe 7 is fixedly connected with the sealing ring I 8, the sealing ring I 8 is arranged to effectively prevent the hydraulic medium from leaking in the connecting pipe 7, to ensure the normal flow and pressure transmission of the hydraulic medium, the top inside of the connecting block 13 is fixedly connected with the power assembly, the power assembly comprises the electric telescopic rod 9, the bottom of the electric telescopic rod 9 is fixedly connected to the top of the connecting block 13, the top of the connecting block 13 is fixedly connected with the tension spring 10, the tension spring 10 is arranged to provide a certain buffering effect when the electric telescopic rod 9 is retracted, to prevent the pressing plate 11 from generating excessive impact force on the downward flow limiting plate 12, thereby prolonging the service life of the control mechanism, the output end of the electric telescopic rod 9 is fixedly connected to the top of the pressing plate 11, the inside of the connecting block 13 is slidingly connected with the downward flow limiting plate 12, the electric telescopic rod 9 drives the pressing plate 11 to move up and down through the telescopic action, to further control the position of the downward flow limiting plate 12, to realize the control of the flow of the hydraulic medium, the right side of the downward flow limiting plate 12 is fixedly connected with the pressing plate 11, the bottom of the hydraulic containing body 2 is fixedly connected with the bottom fixing ring 5, the bottom fixing ring 5 is arranged to fix the bottom structure of the hydraulic containing body 2, to ensure the overall stability of the hydraulic nut, the bottom of the hydraulic containing body 2 and the inside of the bottom fixing ring 5 are fixedly connected with the multifunctional mechanism, the inside right side of the connecting block 13 is slidingly connected with the sealing ring I 8, the right side of the connecting block 13 is slidingly connected with the sealing ring II 22, the inside of the connecting block 13 is threadedly connected with the connecting outer pipe 14.

[0044] Referring to Figure 2 , Figure 5 and Figure 6, Multifunctional mechanism includes a plurality of telescopic springs 18, telescopic springs 18 provide certain elastic support in the process of hydraulic nut work, buffer pressure fluctuations of hydraulic medium, ensure the smooth operation of the hydraulic nut, the upper and lower sides of the plurality of telescopic springs 18 are fixedly connected inside the hydraulic containing body 2, the inside of the hydraulic containing body 2 is provided with a plurality of adjusting holes 19, the inside of the hydraulic containing body 2 is provided with a plurality of adjusting holes 19, the shunt and pressure regulation of hydraulic medium are realized through the adjusting hole 19, so as to meet the demand under different working conditions, the inside of the bottom fixed ring 5 is threadedly connected with a detachable assembly, the detachable assembly includes a plurality of bolts 20, the outside of the plurality of bolts 20 is threadedly connected inside the bottom fixed ring 5, the bottom of the bottom fixed ring 5 is slidably connected with a fixed plate 6, the bottom of the plurality of bolts 20 is threadedly connected inside the fixed plate 6, the outside of the hydraulic containing body 2 is fixedly connected with two connecting fixed discs 16, the inside of the connecting fixed disc 16 is fixedly connected with a cooling pipe 15, the cooling pipe 15 carries away the heat generated by the hydraulic medium, so as to keep the working temperature of the hydraulic nut within a suitable range, the outside of one of the connecting fixed discs 16 is fixedly connected with an air inlet pipe 17, the outside of the other connecting fixed disc 16 is fixedly connected with a liquid inlet 21, the outside left side of the lower pressure limiting flow plate 12 is slidably connected with the outside right side of the sealing ring two 22, the outside of the connecting outer pipe 14 is slidably connected with the outside of the sealing ring two 22, the air inlet pipe 17 and the liquid inlet 21 are respectively used for introducing gas and hydraulic medium into the inside of the hydraulic nut, to provide necessary conditions for the normal work of the hydraulic nut.

[0045] Working principle: first, in the process of use, the hydraulic oil entering through the liquid inlet 21, in the process of use, the hydraulic nut can quickly and accurately complete the fastening and loosening operation of the bolt 20, so as to drive the pressing plate 11 and the lower pressure limiting flow plate 12 to slide in the inside of the connecting block 13 in the process of use, without affecting the work of the hydraulic nut, the connecting outer pipe 14 can be quickly installed, maintained and replaced, while the hydraulic oil can be quickly discharged when the extension spring 10 and the electric telescopic rod 9 are pushed upward, different hydraulic oil can be replaced, and when the connecting outer pipe 14 on both sides of the connecting block 13 is connected with the connecting block 13, the leakage of hydraulic oil is reduced, thereby greatly improving the work efficiency and saving the cost.

[0046] Secondly, in the process of using the hydraulic nut, the use of a plurality of telescopic springs 18 can increase the stability in the process of use, and the position of the installation nut 3 can be adjusted from the inside of the plurality of adjusting holes 19 at the bottom of the hydraulic containing body 2, and the bottom fixed ring 5 is quickly connected with the fixed plate 6 through the bolt 20 to adapt to different working requirements, further improving the stability of equipment installation.

[0047] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A hydraulic nut for easy installation, comprising a mounting groove (1), characterized in that: The outside of mounting groove (1) is fixedly connected with top fixed ring (4), the outside of mounting groove (1) is fixedly connected with hydraulic containing body (2), the inside of mounting groove (1) is threadedly connected with mounting nut (3), the outside of hydraulic containing body (2) is fixedly connected with control mechanism, the bottom of hydraulic containing body (2) is fixedly connected with bottom fixed ring (5), the bottom of hydraulic containing body (2) and the inside of bottom fixed ring (5) are fixedly connected with multifunctional mechanism. The control mechanism includes connecting pipe (7) and connecting block (13), the outside right side of connecting pipe (7) is fixedly connected with the inside of hydraulic containing body (2), the inside of connecting pipe (7) is fixedly connected with sealing ring one (8), the top inside of connecting block (13) is fixedly connected with power assembly, the inside of connecting block (13) is slidably connected with lower pressure flow limiting plate (12), the right side of lower pressure flow limiting plate (12) is fixedly connected with pressing plate (11).

2. A hydraulic nut for ease of installation according to claim 1, wherein: The bottom of power assembly includes electric telescopic rod (9), the bottom of electric telescopic rod (9) is fixedly connected with the top of connecting block (13), the top of connecting block (13) is fixedly connected with tension spring (10), the output end of electric telescopic rod (9) is fixedly connected with the top of pressing plate (11).

3. A hydraulic nut for ease of installation according to claim 1, wherein: The inside right side of connecting block (13) is slidably connected with sealing ring one (8), the right side of connecting block (13) is slidably connected with sealing ring two (22), the inside of connecting block (13) is threadedly connected with connecting outer pipe (14).

4. The hydraulic nut of claim 1, wherein: The multifunctional mechanism includes a plurality of telescopic springs (18), the upper and lower sides of a plurality of telescopic springs (18) are fixedly connected with the inside of hydraulic containing body (2), a plurality of adjusting holes (19) are formed in the inside of hydraulic containing body (2), the inside of bottom fixed ring (5) is threadedly connected with detachable assembly.

5. A hydraulic nut for ease of installation according to claim 4, wherein: The detachable assembly includes a plurality of bolts (20), the outside of a plurality of bolts (20) is threadedly connected with the inside of bottom fixed ring (5), the bottom of bottom fixed ring (5) is slidably connected with fixed plate (6), the bottom of a plurality of bolts (20) is threadedly connected with the inside of fixed plate (6).

6. The hydraulic nut of claim 1, wherein: The outside of hydraulic containing body (2) is fixedly connected with two connecting fixed discs (16), the inside of connecting fixed disc (16) is fixedly connected with cooling pipe (15).

7. A hydraulic nut for ease of installation according to claim 6 wherein: The outside of one of connecting fixed discs (16) is fixedly connected with air inlet pipe (17), the outside of the other connecting fixed disc (16) is fixedly connected with liquid inlet (21).

8. A hydraulic nut for ease of installation according to claim 3, wherein: The outside left side of lower pressure flow limiting plate (12) is slidably connected with the outside right side of sealing ring two (22), the outside of connecting outer pipe (14) is slidably connected with the outside of sealing ring two (22).

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