Rod end straightening machine

Abstract

The rod end straightening machine comprises a base, a support and an operation table are arranged on the upper end face of the base, the upper portion of one end of the operation table is connected with a baffle assembly, the baffle assembly is formed by connecting a vertical plate and a transverse plate, the transverse plate is used for being connected with the operation table, and the side face of the vertical plate is connected with a second hydraulic cylinder; a second hydraulic rod of the second hydraulic cylinder is connected with a sliding block, a lower pressing plate is arranged on the upper end face of the sliding block, the lower end face of the sliding block is slidably connected with the upper end face of an operation table, a support is arranged on one side of the operation table, a first hydraulic cylinder is installed on the upper portion of the support, and an upper pressing plate is connected to the lower end of a first hydraulic rod of the first hydraulic cylinder and arranged above the lower pressing plate. The second hydraulic cylinder drives the second hydraulic rod to extend so as to drive the lower pressing plate to move below the upper pressing plate, the lower pressing plate moves so as to drive the end of the sucker rod to rub and roll between the upper pressing plate and the lower pressing plate, and the end of the sucker rod is straightened in the process that the end of the sucker rod is extruded and rolled between the upper pressing plate and the lower pressing plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing calibration, and in particular relates to a rod end straightening machine. Background Art

[0002] The sucker rod is a slender rod in the pumping well. It is connected to the bare rod at the top and the oil pump at the bottom to transmit power.

[0003] As a long rod product, the sucker rod may bend due to raw materials, forging or external forces. In the existing stretching and straightening process, the two ends of the rod need to be fixed before stretching. The actual problem encountered is that stretching has a significant effect on improving the bending of the rod body, but has a poor effect on straightening the ends.

[0004] The bending of the sucker rod end will increase the friction resistance of the pump rod during operation, which may cause fatigue, fracture or other damage to the pump rod, thereby causing the oil well to stop production. Utility Model Content

[0005] The present application proposes a rod end straightening machine for straightening the end of a sucker rod, which is beneficial to improving the stability and reliability of the overall structure of the sucker rod, reducing the risk of sucker rod breakage due to bending and deformation of the end, and extending the service life of the sucker rod.

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

[0007] A rod end straightening machine comprises a base, wherein the upper end surface of the base is provided with a bracket and an operating table, a baffle assembly is connected to the upper part of one end of the operating table, the baffle assembly is composed of a vertical plate and a horizontal plate, the horizontal plate is used to connect with the operating table, a second hydraulic cylinder is connected to the side of the vertical plate, a second hydraulic rod of the second hydraulic cylinder is connected to a slider, a lower pressure plate is provided on the upper end surface of the slider, the lower end surface of the slider is slidably connected to the upper end surface of the operating table, a bracket is provided on one side of the operating table, a first hydraulic cylinder is installed on the upper part of the bracket, an upper pressure plate is connected to the lower end of the first hydraulic rod of the first hydraulic cylinder, and the upper pressure plate is arranged above the lower pressure plate.

[0008] In one embodiment of the present application, the sliding block is slidably connected to the upper end surface of the operating table via a dovetail groove slide rail.

[0009] In one embodiment of the present application, reinforcing plates are welded to the sides of the vertical plate and the horizontal plate.

[0010] In one embodiment of the present application, the first hydraulic cylinder is detachably connected to the bracket via a fixing plate.

[0011] In one embodiment of the present application, a plurality of supporting beams are connected to the side edges of the bracket.

[0012] In one embodiment of the present application, a sloped surface is provided at one end of the upper pressing plate close to the lower pressing plate.

[0013] In one embodiment of the present application, a sliding rod is connected to the side of the lower pressing plate, and a sliding plate is inserted into the sliding rod.

[0014] In one embodiment of the present application, a heating plate is provided on the side of the operating table.

[0015] In summary, the technical solution proposed in the present application includes the following beneficial technical effects: the end of the sucker rod is placed between the upper pressure plate and the lower pressure plate, the first hydraulic cylinder drives the first hydraulic rod to extend and thereby drives the upper pressure plate to press downward, the second hydraulic cylinder drives the second hydraulic rod to extend and thereby drives the lower pressure plate to move under the upper pressure plate, the movement of the lower pressure plate thereby drives the end of the sucker rod to rub and roll between the upper pressure plate and the lower pressure plate, and the end of the sucker rod is straightened in the process of being squeezed and rolled between the upper pressure plate and the lower pressure plate, which is beneficial to improving the stability and reliability of the overall structure of the sucker rod, reducing the risk of sucker rod breakage due to end deformation, and extending the service life of the sucker rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a rod end straightening machine provided in one embodiment of the present application;

[0018] Figure 2 A schematic diagram of the side structure of a rod end straightening machine provided in one embodiment of the present application;

[0019] Figure 3 A front cross-sectional structural schematic diagram of a rod end straightening machine provided in one embodiment of the present application;

[0020] Figure 4 A schematic diagram of the rear view structure of a rod end straightening machine provided in one embodiment of the present application;

[0021] Figure 5 A schematic diagram of the three-dimensional structure of a rod end straightening machine provided in one embodiment of the present application;

[0022] In the picture: Base-1;

[0023] Support 2, first hydraulic cylinder 21, first hydraulic rod 22, upper pressing plate 23, slope surface 231, fixing plate 24, supporting beam plate 25;

[0024] Operation table - 3;

[0025] Baffle assembly-4, vertical plate-41, horizontal plate-42, reinforcement plate-43;

[0026] Second hydraulic cylinder-5, second hydraulic rod-51;

[0027] Sliding block-6, lower pressing plate-61, sliding bar-611, sliding plate-612;

[0028] Heating plate -7. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application is clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work also fall within the scope of protection of the present application.

[0030] It should be noted that in the description of the present application, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0031] The terms "installed", "connected" and "connected" in this application should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood by specific circumstances.

[0032] In the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0033] This embodiment provides a rod end straightening machine, see Figure 1-Figure 5 As shown, it includes a base 1, and a bracket 2 and an operating table 3 are arranged on the upper end surface of the base 1. A baffle assembly 4 is connected to the upper part of one end of the operating table 3. The baffle assembly 4 is composed of a vertical plate 41 and a horizontal plate 42. The horizontal plate 42 is used to connect with the operating table 3. A second hydraulic cylinder 5 is connected to the side of the vertical plate 41. The second hydraulic rod 51 of the second hydraulic cylinder 5 is connected to a slider 6. A lower pressure plate 61 is arranged on the upper end surface of the slider 6. The lower end surface of the slider 6 is slidably connected to the upper end surface of the operating table 3. A bracket 2 is arranged on one side of the operating table 3. A first hydraulic cylinder 21 is installed on the upper part of the bracket 2. The lower end of the first hydraulic rod 22 of the first hydraulic cylinder 21 is connected to an upper pressure plate 23. The upper pressure plate 23 is arranged above the lower pressure plate 61.

[0034] In the above embodiment, the upper end surface of the base 1 is provided with a bracket 2 and an operating table 3, and a baffle assembly 4 is connected to the upper part of one end of the operating table 3. The baffle assembly 4 is used to install and fix the second hydraulic cylinder 5. Further, the baffle assembly 4 is composed of a vertical plate 41 and a horizontal plate 42. The horizontal plate 42 is used to connect with the operating table 3 to increase the contact connection area between the baffle assembly 4 and the operating table 3, thereby improving the installation stability of the second hydraulic cylinder 5. The second hydraulic rod 51 of the second hydraulic cylinder 5 is connected to the slider 6, and the upper end surface of the slider 6 is provided with The lower platen 61 and the lower end surface of the slider 6 are slidably connected with the upper end surface of the operating table 3. The first hydraulic cylinder 21 is installed on the upper part of the bracket 2. The lower end of the first hydraulic rod 22 of the first hydraulic cylinder 21 is connected with the upper platen 23, and the upper platen 23 is arranged above the lower platen 61. The extension of the first hydraulic rod 22 can drive the upper platen 23 to approach the lower platen 61, and the end of the sucker rod is placed between the upper platen 23 and the lower platen 61. The first hydraulic cylinder 21 drives the first hydraulic rod 22 to extend and then drives the upper platen 23 to press downward. Figure 3 For example, the second hydraulic cylinder 5 drives the second hydraulic rod 51 to extend and then drives the lower pressure plate 61 to move to the left. The lower pressure plate 61 moves to the left and then drives the end of the sucker rod to roll and rub between the upper pressure plate 23 and the lower pressure plate 61. In the process of the end of the sucker rod rolling and squeezing between the end surfaces of the upper pressure plate 23 and the lower pressure plate 61, the end of the sucker rod is straightened, which is beneficial to improve the stability and reliability of the overall structure of the sucker rod, reduce the risk of sucker rod breakage caused by bending and deformation of the end, and extend the service life of the sucker rod.

[0035] In one embodiment of the present application, see Figure 1 and Figure 2 As shown, the slide block 6 is slidably connected to the upper end surface of the operating table 3 via a dovetail groove slide rail.

[0036] In the above embodiment, the dovetail groove slide rail is composed of a slide groove and a slide rail, which is suitable for occasions requiring a stable connection. Compared with the wheel slide rail, the dovetail groove slide rail is more stable during the sliding process, can withstand heavy objects and adapt to frequent sliding operations.

[0037] In one embodiment of the present application, refer to Figure 1 As shown, reinforcing plates 43 are welded to the sides of the vertical plate 41 and the horizontal plate 42 .

[0038] In the above embodiment, the sides of the vertical plate 41 and the horizontal plate 42 are connected by a welded reinforcing plate 43, which increases the connection contact area between the vertical plate 41 and the horizontal plate 42, thereby improving the overall strength of the connection between the vertical plate 41 and the horizontal plate 42, which is beneficial to improving the stability of the fixed installation of the second hydraulic cylinder 5.

[0039] In one embodiment of the present application, see Figure 1 As shown, the first hydraulic cylinder 21 is detachably connected to the bracket 2 via a fixing plate 24 .

[0040] In the above embodiment, the first hydraulic cylinder 21 is detachably connected to the bracket 2 via the fixing plate 24. On the one hand, the fixing plate 24 can be used to limit the support of the first hydraulic cylinder 21, which is beneficial to improving the stability of the first hydraulic cylinder 21. On the other hand, the first hydraulic cylinder 21 is detachably connected to the bracket 2, which is convenient for disassembling the first hydraulic cylinder 21 for maintenance and repair. Preferably, a plurality of threaded holes are provided on the fixing plate 24, and the detachable connection between the first hydraulic cylinder 21 and the bracket 2 can be achieved by the cooperation of bolts and nuts.

[0041] In one embodiment of the present application, see Figure 4 As shown, the side of the bracket 2 is connected to a plurality of supporting beams 25 .

[0042] In the above embodiment, the hydraulic cylinder has a relatively large deadweight, and a plurality of support beams 25 are connected to the side of the bracket 2 to increase the support strength of the bracket 2 for the first hydraulic cylinder 21. On the one hand, the stability of the first hydraulic cylinder 21 during operation can be improved, and on the other hand, the support beams 25 can increase the overall stiffness of the bracket 2 to prevent the bracket 2 from being deformed under the heavy pressure of the hydraulic cylinder.

[0043] In one embodiment of the present application, see Figure 3 As shown, a slope surface 231 is provided at one end of the upper pressing plate 23 close to the lower pressing plate 61 .

[0044] In the above embodiment, the slope surface 231 plays a buffering role and is used to guide the end of the sucker rod before it enters the upper pressing plate 23 and the lower pressing plate 61, so that the extrusion and kneading of the end of the sucker rod is smoother.

[0045] In one embodiment of the present application, see Figure 5As shown, a sliding rod 611 is connected to the side of the lower pressing plate 61 , and a sliding plate 612 is inserted into the sliding rod 611 .

[0046] In the above embodiment, when the end of the sucker rod is placed in the pressure plate for rubbing and straightening, the rod body of the sucker rod is in a suspended state, and the rod body will bend and deform due to its own gravity. The slide plate 612 is used to support the rod body of the sucker rod to prevent the sucker rod body from bending. The slide plate 612 slides along the slide bar 611 to adapt to sucker rods of different lengths.

[0047] In one embodiment of the present application, see Figure 5 As shown, a heating plate 7 is provided on the side of the operating table 3 .

[0048] In the above embodiment, the heating plate 7 can be used to preheat the end of the sucker rod to improve its plasticity, so as to facilitate the subsequent straightening and shaping of the end of the sucker rod.

[0049] In the actual use of this application: the second hydraulic rod 51 of the second hydraulic cylinder 5 is connected to the slide block 6, the upper end surface of the slide block 6 is provided with a lower pressure plate 61, the lower end surface of the slide block 6 is slidably connected to the upper end surface of the operating table 3, the first hydraulic cylinder 21 is installed on the upper part of the bracket 2, the lower end of the first hydraulic rod 22 of the first hydraulic cylinder 21 is connected to the upper pressure plate 23, and the upper pressure plate 23 is arranged above the lower pressure plate 61, the first hydraulic rod 22 is extended to drive the upper pressure plate 23 to approach the lower pressure plate 61, and the end of the sucker rod is placed It is arranged between the upper pressure plate 23 and the lower pressure plate 61, the first hydraulic cylinder 21 drives the first hydraulic rod 22 to extend and then drives the upper pressure plate 23 to press downward, the second hydraulic cylinder 5 drives the second hydraulic rod 51 to extend and then drives the lower pressure plate 61 to move under the upper pressure plate 23, the lower pressure plate 61 moves and then drives the end of the sucker rod to rub and roll between the upper pressure plate 23 and the lower pressure plate 61, and the end of the sucker rod is straightened in the process of being squeezed and rolled between the upper pressure plate 23 and the lower pressure plate 61.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A rod end straightening machine, characterized in that: The invention comprises a base (1), wherein the upper end surface of the base (1) is provided with a bracket (2) and an operating table (3), the upper part of one end of the operating table (3) is connected with a baffle assembly (4), the baffle assembly (4) is composed of a vertical plate (41) and a horizontal plate (42), the horizontal plate (42) is used to connect with the operating table (3), the side of the vertical plate (41) is connected with a second hydraulic cylinder (5), the second hydraulic rod (51) of the second hydraulic cylinder (5) is connected with a slider (6), the upper end surface of the slider (6) is provided with a lower pressure plate (61), the lower end surface of the slider (6) is slidably connected with the upper end surface of the operating table (3), a bracket (2) is provided on one side of the operating table (3), the upper part of the bracket (2) is installed with a first hydraulic cylinder (21), the lower end of the first hydraulic rod (22) of the first hydraulic cylinder (21) is connected with an upper pressure plate (23), and the upper pressure plate (23) is arranged above the lower pressure plate (61).

2. The rod end straightening machine according to claim 1, characterized in that: The slide block (6) is slidably connected to the upper end surface of the operating table (3) via a dovetail groove slide rail.

3. The rod end straightening machine according to claim 1, characterized in that: Reinforcing plates (43) are welded to the sides of the vertical plate (41) and the horizontal plate (42).

4. The rod end straightening machine according to claim 1, characterized in that: The first hydraulic cylinder (21) is detachably connected to the bracket (2) via a fixing plate (24).

5. The rod end straightening machine according to claim 4, characterized in that: The side edge of the bracket (2) is connected to a plurality of supporting beam plates (25).

6. The rod end straightening machine according to claim 1, characterized in that: One end of the upper pressing plate (23) close to the lower pressing plate (61) is provided with a slope surface (231).

7. The rod end straightening machine according to claim 1, characterized in that: The side of the lower pressing plate (61) is connected to a sliding rod (611), and a sliding plate (612) is inserted into the sliding rod (611).

8. The rod end straightening machine according to any one of claims 1 to 7, characterized in that: A heating plate (7) is arranged on the side of the operating table (3).

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