Bent rod straightening device

Abstract

The utility model discloses a bent rod straightening device, which relates to the field of maintenance devices, is used for straightening a bent rod body into a straight rod body, and comprises a frame, an upper rod pressing part and a lower supporting part, the middle part of the frame comprises a rod pressing space, and the two sides of the frame are respectively provided with a rod clamping structure; the upper pressing rod part is installed on the frame and located in the top area of the pressing rod space. The lower supporting part is installed on the frame and located in the bottom area of the pressing rod space. The two ends of the rod body are clamped on the two rod clamping structures in a one-to-one correspondence mode, the rod body is horizontally arranged and located in the middle area of the rod pressing space, and the rod body is placed on each lower supporting part; each upper pressing rod part is arranged towards the rod body and is used for pressing the rod body; the utility model has the beneficial effects that: the rod body is positioned between the upper pressing rod part and the lower supporting part, so that each bent part of the rod body is respectively pressed by the upper pressing rod part, namely each bent part of the rod body can be reset, the operation is safe and simple, and the efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of maintenance devices, in particular to a bent rod straightening device. Background Art

[0002] The valve stem is a critical valve component, used for transmission. It connects to the actuator or handle above and directly drives the valve core to move or rotate below, achieving the valve's opening and closing or regulation functions. After prolonged use, the valve stem is prone to bending and deformation. This bending and deformation can cause the valve to leak, so the bent stem needs to be removed and repaired, straightening it before being reinstalled in the valve.

[0003] To repair a bent valve stem, the method generally used is gas cutting, heating, and then hammering to correct it. This process is complicated, inefficient, and has a low safety factor. Utility Model Content

[0004] In order to overcome the technical problems of the existing technology of using gas cutting, heating and then knocking to correct the bent valve stem, the process is complex, the efficiency is low and the safety factor is low.

[0005] The utility model provides a bent rod straightening device for pressing a bent rod into a straight rod. The straightening device comprises:

[0006] The frame includes a pressure rod space in the middle, and the two sides of the frame are respectively provided with a clamping rod structure, and the two clamping rod structures are correspondingly arranged;

[0007] A plurality of upper pressure rod portions are spaced apart and respectively mounted on the frame and located in the top area of ​​the pressure rod space, and each of the upper pressure rod portions is respectively arranged downward;

[0008] A plurality of lower support portions distributed at intervals are respectively mounted on the frame and located in the bottom area of ​​the pressure rod space, and each of the lower support portions is respectively arranged upward;

[0009] Among them, the two ends of the rod body are clamped on the two clamping rod structures one by one, the rod body is arranged horizontally and located in the middle area of ​​the pressure rod space, and the rod body is placed on each of the lower support parts; each of the upper pressure rod parts is respectively arranged toward the rod body and used to press the rod body.

[0010] Preferably, the framework comprises:

[0011] Base plate, set horizontally;

[0012] A top plate is arranged horizontally, wherein the top plate and the bottom plate are parallel and spaced apart;

[0013] Two side panels are parallel and spaced apart, and the two side panels are respectively vertically arranged;

[0014] One side of the bottom plate and one side of the top plate are fixedly connected via one of the side plates, and the other side of the bottom plate and the other side of the top plate are fixedly connected via another side plate. The bottom plate, the top plate and the two side plates together enclose a pressure rod space.

[0015] Each of the upper pressure rods is respectively installed on the lower side of the top plate;

[0016] Each of the lower supporting parts is respectively arranged on the upper surface of the bottom plate.

[0017] Preferably, the two clamping rod structures respectively include a horizontal through-limiting hole opened in the middle of the corresponding side plate, and the two limiting holes are arranged opposite to each other;

[0018] Wherein, the two ends of the rod body are placed in the two limiting holes in a one-to-one correspondence.

[0019] Preferably, the inner diameter of each of the limiting holes is larger than the outer diameter of the rod body.

[0020] Preferably, each of the upper pressure rods comprises:

[0021] hydraulic press;

[0022] a connecting structure, wherein a lower end of the connecting structure is fixedly connected to an upper end of the hydraulic press, and an upper end of the connecting structure is movably connected to the top plate;

[0023] A pressure plate, the lower surface of which is provided with a pressure opening adapted to the outer contour of the rod body, the pressure plate being arranged on the upper side of the rod body, and the pressure opening covering the outside of the rod body;

[0024] Wherein, the hydraulic press can be driven downward and apply a downward pressure to the pressure plate.

[0025] Preferably, the top plate is made of iron;

[0026] Each of the connection structures is made of a magnet, and each of the connection structures is magnetically connected to the top plate;

[0027] or,

[0028] A slide groove is provided on the top plate, and the slide groove extends along the length direction of the rod body;

[0029] Each of the connecting structures includes a slide bar which is arranged corresponding to the slide groove and can move along the slide groove.

[0030] Preferably, a handle is fixed on the housing of each hydraulic press.

[0031] Preferably, each of the pressure plates comprises:

[0032] Press plate body;

[0033] A pressure plate body is fixed below the pressure plate body, and the pressure opening is formed on the lower surface of the pressure plate body;

[0034] Wherein, the width of the pressure plate body is greater than the width of the pressure plate body.

[0035] Preferably, each of the lower support parts comprises:

[0036] base;

[0037] A reset block is detachably mounted on the base, and a reset opening adapted to the outer contour of the rod body is provided on the upper surface of the reset block;

[0038] Wherein, the rod body is placed on each of the reset ports.

[0039] Preferably, a socket is provided on the upper surface of each base;

[0040] An inserting rod arranged in the corresponding inserting hole is fixed on the lower surface of each reset block.

[0041] Beneficial effects:

[0042] The beneficial effects produced by adopting the technical solution of this utility model are as follows:

[0043] (1) The middle part of the frame includes a pressure rod space, and a clamping rod structure is provided on both sides of the frame. The two clamping rod structures are arranged correspondingly, so that the two ends of the rod body can be clamped on the two clamping rod structures one by one. The rod body is arranged horizontally and is located in the middle area of ​​the pressure rod space.

[0044] (2) Several upper pressure rods are installed on the frame and located in the top area of ​​the pressure rod space, and each upper pressure rod is set downward. Several lower support parts are installed on the frame and located in the bottom area of ​​the pressure rod space, and each lower support part is set upward, so that the rod body is placed on each lower support part, and the rod body is located below each upper pressure rod. The bent section of the rod body is set upward so that each bent part of the rod body is subjected to the pressure of the upper pressure rod, and the bent part of the rod body can be reset. The operation is safe, simple and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0046] Figure 1 This is a front view of a bent rod straightening device according to the present invention;

[0047] Figure 2 For this utility model Figure 1 Middle AA section view;

[0048] Figure 3 This is a front view of a bent rod straightening device according to the present invention;

[0049] In the picture:

[0050] 1-rod body, 2-frame, 201-pressure rod space, 202-bottom plate, 203-top plate, 204-side plate, 205-limiting hole, 206-slide groove, 3-upper pressure rod, 301-hydraulic press, 302-pressure plate, 303-pressure plate body, 304-pressure plate body, 305-pressure port, 306-handle, 307-magnet, 308-slide bar, 4-lower support part, 401-base, 402-reset block, 403-reset port, 404-jack, 405-insertion rod. DETAILED DESCRIPTION

[0051] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0052] Please refer to Figures 1 to 3, this embodiment provides a bent rod straightening device for pressing a bent rod body 1 into a straight rod body 1, the straightening device includes a frame 2, a plurality of upper pressing rod portions 3 and a plurality of lower supporting portions 4; the middle portion of the frame 2 includes a pressing rod space 201, and a clamping rod structure is respectively provided on both sides of the frame 2. The two clamping rod structures are correspondingly arranged, so that the two ends of the rod body 1 can be clamped on the two clamping rod structures one by one. The rod body 1 is horizontally arranged and located in the middle area of ​​the pressing rod space 201; a plurality of upper pressing rod portions 3 are respectively installed on the frame 2 and distributed at intervals, and each upper pressing rod portion 3 is respectively located at the top of the pressing rod space 201 The upper and lower support parts 4 are arranged in a downward direction, and several lower support parts 4 are respectively installed on the frame 2 and distributed at intervals. Each lower support part 4 is respectively located in the bottom area of ​​the pressure rod space 201 and is arranged upward, so that the rod body 1 is located between the upper pressure rod part 3 and the lower support part 4. The rod body 1 is placed on each lower support part 4, and the rod body 1 is located below each upper pressure rod part 3. When the staff corrects the bent rod body, they can set the bent section of the rod body 1 upward so that the bent parts of the rod body 1 are respectively subjected to the downward pressure of the upper pressure rod part 3, so that the bent parts of the rod body 1 can be reset and the bent rod body can be straightened. The operation is safe, simple and efficient.

[0053] As a preferred embodiment, the frame 2 includes a bottom plate 202, a top plate 203 and two side plates 204; the bottom plate 202 is arranged horizontally; the top plate 203 is arranged horizontally, and the top plate 203 and the bottom plate 202 are parallel and spaced apart; the two side plates 204 are parallel and spaced apart, and the two side plates 204 are arranged vertically respectively; wherein, one side of the bottom plate 202 and one side of the top plate 203 are fixedly connected by one of the side plates 204, and the other side of the bottom plate 202 and the other side of the top plate 203 are fixedly connected by the other side plate 204, so that the bottom plate 202, the top plate 203 and the two side plates 204 jointly enclose a pressure rod space 201; each upper pressure rod portion 3 is respectively installed on the lower side of the top plate 203, and each lower support portion 4 is respectively arranged on the upper surface of the bottom plate 202, so that each upper pressure rod portion 3 is respectively located in the top area of ​​the pressure rod space 201, so that each lower support portion 4 is respectively located in the bottom area of ​​the pressure rod space 201.

[0054] As a preferred embodiment, the two clamping rod structures respectively include horizontally through-limiting holes 205 opened in the middle of the corresponding side plates 204, and the two limiting holes 205 are arranged opposite to each other; so that the two ends of the rod body 1 can be placed one by one in the two limiting holes 205, and the inner diameter of each limiting hole 205 is respectively larger than the outer diameter of the rod body 1, which makes it convenient to place the rod body 1 that needs to be corrected on the straightening device.

[0055] As a preferred embodiment, each upper pressure rod part 3 includes a hydraulic press 301, a connecting structure and a pressure plate 302; the lower end of the connecting structure is fixedly connected to the upper end of the hydraulic press 301, and the upper end of the connecting structure is movably connected to the top plate 203; the lower surface of the pressure plate 302 is provided with a pressure opening 305 adapted to the outer contour of the rod body 1, the pressure plate 302 is arranged on the upper side of the rod body 1, and the pressure opening 305 is covered outside the rod body 1; wherein, the hydraulic press 301 can be driven downward and apply a downward pressure to the pressure plate 302, and the pressure plate 302 then applies a downward pressure to the rod body 1 to straighten the bent area of ​​the rod body 1.

[0056] As a preferred embodiment, the top plate 203 is made of iron; each connecting structure is made of a magnet 307, and each connecting structure is magnetically connected to the top plate 203; or, the top plate 203 is provided with a slide 206, which extends along the length of the rod body 1; each connecting structure includes a slide bar 308 arranged corresponding to the slide 206 and movable along the slide 206, so that the hydraulic device can be moved along the length of the rod body 1. Since the lower support portion 4 is directly placed on the bottom plate 202, that is, the lower support portion 4 can move on the bottom plate 202, when in use, the hydraulic press 301 and the pressure plate 302 are aligned with the more curved area of ​​the rod body 1, and the lower support portion 4 is located between the two corresponding adjacent upper pressure rod portions 3, which has a good straightening effect. A handle 306 is fixed to the housing of each hydraulic press 301 to facilitate the movement of the hydraulic press 301. Each pressure plate 302 includes a pressure plate body 303 and a pressure plate body 304. The pressure plate body 304 is fixed below the pressure plate body 303, and a pressure opening 305 is provided on the lower surface of the pressure plate body 304. The width of the pressure plate body 303 is greater than the width of the pressure plate body 304, so that the pressure plate is evenly pressurized, and the pressure plate 302 is not easy to fall when it is under the pressure of the hydraulic press 301.

[0057] As a preferred embodiment, each lower support portion 4 includes a base 401 and a reset block 402. The reset block 402 is detachably mounted on the base 401. The upper surface of the reset block 402 defines a reset opening 403 adapted to the outer contour of the rod body 1. The rod body 1 rests on each reset opening 403. Each base 401 has an upper surface with a socket 404. The lower surface of each reset block 402 is secured with an insert 405 positioned within the corresponding socket 404, allowing for easy replacement of the reset block 402 to accommodate the desired outer diameter of the rod body 1.

[0058] The above is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A bent rod straightening device for pressing a bent rod into a straight rod, characterized in that: The straightening device comprises: The frame includes a pressure rod space in the middle, and the two sides of the frame are respectively provided with a clamping rod structure, and the two clamping rod structures are correspondingly arranged; A plurality of upper pressure rod portions are spaced apart and respectively mounted on the frame and located in the top area of ​​the pressure rod space, and each of the upper pressure rod portions is respectively arranged downward; A plurality of lower support portions are spaced apart and mounted on the frame and located at the bottom area of ​​the pressure rod space, each of the lower support portions being arranged upward; Among them, the two ends of the rod body are clamped on the two clamping rod structures one by one, the rod body is arranged horizontally and located in the middle area of ​​the pressure rod space, and the rod body is placed on each of the lower support parts; each of the upper pressure rod parts is respectively arranged toward the rod body and used to press the rod body.

2. A bent rod straightening device according to claim 1, characterized in that: The framework includes: Base plate, set horizontally; A top plate is arranged horizontally, wherein the top plate and the bottom plate are parallel and spaced apart; Two side panels are parallel and spaced apart, and the two side panels are respectively vertically arranged; One side of the bottom plate and one side of the top plate are fixedly connected via one of the side plates, and the other side of the bottom plate and the other side of the top plate are fixedly connected via another side plate. The bottom plate, the top plate and the two side plates together enclose a pressure rod space. Each of the upper pressure rods is respectively installed on the lower side of the top plate; Each of the lower supporting parts is respectively arranged on the upper surface of the bottom plate.

3. A bent rod straightening device according to claim 2, characterized in that: The two clamping rod structures respectively include a horizontal through-limiting hole opened in the middle of the corresponding side plate, and the two limiting holes are arranged opposite to each other; Wherein, the two ends of the rod body are placed in the two limiting holes in a one-to-one correspondence.

4. A bent rod straightening device according to claim 3, characterized in that: The inner diameter of each of the limiting holes is larger than the outer diameter of the rod body.

5. The bent rod straightening device according to claim 2, characterized in that: Each of the upper pressure rod parts includes: hydraulic press; a connecting structure, wherein a lower end of the connecting structure is fixedly connected to an upper end of the hydraulic press, and an upper end of the connecting structure is movably connected to the top plate; A pressure plate, the lower surface of which is provided with a pressure opening adapted to the outer contour of the rod body, the pressure plate being arranged on the upper side of the rod body, and the pressure opening covering the outside of the rod body; Wherein, the hydraulic press can be driven downward and apply a downward pressure to the pressure plate.

6. A bent rod straightening device according to claim 5, characterized in that: The top plate is made of iron; Each of the connection structures is made of a magnet, and each of the connection structures is magnetically connected to the top plate; or, A slide groove is provided on the top plate, and the slide groove extends along the length direction of the rod body; Each of the connecting structures includes a slide bar which is arranged corresponding to the slide groove and can move along the slide groove.

7. The bent rod straightening device according to claim 5, characterized in that: A handle is fixed on the outer shell of each hydraulic press.

8. The bent rod straightening device according to claim 5, characterized in that: Each of the pressure plates comprises: Press plate body; A pressure plate body is fixed below the pressure plate body, and the pressure opening is formed on the lower surface of the pressure plate body; Wherein, the width of the pressure plate body is greater than the width of the pressure plate body.

9. The bent rod straightening device according to claim 2, characterized in that: Each of the lower support parts comprises: base; A reset block is detachably mounted on the base, and a reset opening adapted to the outer contour of the rod body is formed on the upper surface of the reset block; Wherein, the rod body is placed on each of the reset ports.

10. The bent rod straightening device according to claim 9, characterized in that: The upper surface of each base is respectively provided with a socket; An inserting rod arranged in the corresponding inserting hole is fixed on the lower surface of each reset block.

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