Damping supporting positioning frame for thickening pipe end
By designing a multi-functional shock-absorbing support positioning frame, the problem of inconvenient clamping of drill pipes and pipelines during upsetting and thickening was solved, realizing multi-size adaptive clamping, shock absorption protection, and condition monitoring, adapting to different equipment heights.
Patent Information
- Application Number
- CN202520193975.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-07
AI Technical Summary
Existing technologies suffer from localized deformation and inconvenience when clamping drill pipes of various sizes, especially during upsetting and thickening processes, making it difficult to adapt to pipes of different sizes.
A shock-absorbing support positioning frame was designed, comprising a bottom support frame, tubular support legs, a transverse fixing frame, an electric cylinder, a positioning sleeve, and a rubber pad. The positioning sleeve and positioning plate are driven by the electric cylinder to clamp pipes of various sizes. Sensors are also provided to monitor the pipe status and adjust the equipment height.
It enables convenient clamping of pipes of various sizes, reduces local deformation, protects the pipe surface, monitors pipe status, and adapts to different upsetting machine height requirements.
Smart Images

Figure CN223848017U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to positioning device technical field, concretely is a kind of shock-absorbing support positioning frame for pipe end thickening. BACKGROUND
[0002] Drill pipe is an important part used in oil drilling and geological exploration industry, and the number of drill pipes needs to be gradually increased during the drilling process as the drill bit penetrates deeper. The entire drill pipe is composed of a pipe body and drill pipe joints connected to both ends of the pipe body (usually friction welding or locking joints). With the deepening of modern oil and water wells, the deterioration of underground operating environment and the increase of drill pipe weight, the connection strength between drill pipes and between drill pipe body and drill pipe joints is continuously improved. In order to increase the connection strength between drill pipe body and drill pipe joints, the pipe end of drill pipe body is usually upset thickened to improve its structural strength.
[0003] During the upset thickening process of drill pipe body, the pipe end needs to be heated first, and the heated pipe end is sent to the upsetting machine for upset thickening. During the upset thickening process, the pipe body needs to be supported and positioned to avoid insufficient machining accuracy caused by shaking. Currently, hydraulic clamping is mostly used, which pushes the specially designed chuck from above by hydraulic cylinder to press and fix the pipe body together with the conveying roller. However, there are some functional deficiencies in actual use, such as single stress direction during clamping and positioning, which easily causes local deformation of the pipe during clamping, and the universality of the chuck is weak, which has short boards when clamping and positioning pipes of different sizes, and does not have the function of conveniently clamping pipes of different sizes.
[0004] Now, a new type of shock-absorbing support positioning frame for pipe end thickening is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a kind of shock-absorbing support positioning frame for pipe end thickening to solve the problem of not having the function of conveniently clamping pipes of different sizes proposed in the above background technology.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of shock-absorbing support positioning frame for pipe end thickening, including bottom support frame, four corners at the bottom end of the bottom support frame are respectively fixedly connected with tubular support leg, four groups of tubular support leg are welded with horizontal fixing frame between, three groups of pipe guide rollers are movably connected between the front and rear ends of the top of the bottom support frame, the top of the bottom support frame is fixedly connected with top support frame, the inside of the bottom support frame is provided with the support and positioning assembly that can match multiple specifications pipes.
[0007] The support positioning assembly comprises four groups of limiting blocks, the four groups of limiting blocks are fixedly connected at the left and right sides of the front and rear ends inside the bottom support frame respectively, four first electric cylinders are installed at the four corners of the bottom end of the transverse fixing frame respectively, two groups of lower positioning sleeves are arranged above the transverse fixing frame, an insertion groove is arranged in the lower positioning sleeve, a lower triangular groove is arranged at the top of the lower positioning sleeve, two groups of lower rubber pads are fixedly connected at the two sides of the lower triangular groove respectively, an upper positioning plate is arranged above the lower positioning sleeve, an upper triangular groove is formed at the bottom end of the upper positioning plate, and upper rubber strips are fixedly connected at the two sides of the upper triangular groove respectively.
[0008] As a further technical scheme of the utility model, the output end of the first electric cylinder is connected with the bottom end of the lower positioning sleeve, and the output end of the second electric cylinder is connected with the bottom end of the upper positioning plate.
[0009] As a further technical scheme of the utility model, the shape and size of the lower positioning sleeve outside are matched with the shape and size of the limiting block inside, and the lower positioning sleeve can slide and displace up and down along the inside of the limiting block.
[0010] As a further technical scheme of the utility model, the shape and size of the upper positioning plate outside are matched with the shape and size of the insertion groove inside, and the lower positioning sleeve can slide along the inside of the insertion groove.
[0011] As a further technical scheme of the utility model, the top of the left side of the top support frame is fixedly connected with a sensor mounting frame, an infrared temperature measuring sensor is installed at the left side of the bottom of the sensor mounting frame, a laser distance measuring sensor is installed at the right side of the bottom of the sensor mounting frame, and the first electric cylinder, the second electric cylinder and the laser distance measuring sensor are electrically connected.
[0012] As a further technical scheme of the utility model, the bottom end of the tubular support leg is inserted with an extension leg from bottom to top, a third electric cylinder is installed in the inside of the extension leg, the outer diameter of the extension leg is matched with the inner diameter of the tubular support leg, and the extension leg can slide and displace up and down along the inside of the tubular support leg.
[0013] Compared with the prior art, the utility model has the advantages that the shock-absorbing support positioning frame for pipe end thickening not only realizes the function of conveniently clamping various sizes of pipes, but also realizes the functions of conveniently monitoring the state of the pipes and conveniently adjusting the height of the equipment.
[0014] (1) through being provided with first electric cylinder, limit block, lower positioning sleeve, insertion slot, lower triangular groove, lower rubber pad, upper positioning plate, upper triangular groove, upper rubber strip and second electric cylinder, when using, the pipe end of the drill pipe body is conveyed to the front of the upsetting machine after heat treatment, the pipeline guide roller on the top of the bottom support frame guides the pipeline to make it explore into the upsetting machine, along with the pipe end entering the interior of the upsetting machine, the first electric cylinder and the second electric cylinder extend synchronously, the lower positioning sleeve and the upper positioning plate fold, the lower positioning sleeve goes up along the limit block, the upper positioning plate inserts along the insertion slot inside the lower positioning sleeve, the lower triangular groove and the upper triangular groove deadlock the pipe body, the upper and lower forces are consistent, the lower rubber pad and the upper rubber strip play the shock absorption role, the surface of the pipe body is protected simultaneously, scratch is avoided, the distance between the lower positioning sleeve and the upper positioning plate can be changed, different sizes of pipelines can be adapted, and the function of conveniently clamping pipelines of various sizes is realized;
[0015] (2) through being provided with sensor mounting frame, infrared temperature measurement sensor and laser ranging sensor, the pipeline is conveyed to the pipeline guide roller first through the sensor mounting frame below, the infrared temperature measurement sensor measures the temperature of the pipe end in real time, the upsetting thickening that is not up to standard caused by insufficient heating is avoided, the laser ranging sensor can calculate the size of the pipeline, the extension range of the first electric cylinder and the second electric cylinder is referenced, and the function of conveniently monitoring the pipeline state is realized;
[0016] (3) through being provided with tubular support leg, extension leg and third electric cylinder, when using, according to the specification and the feeding port height of the upsetting machine, the actual height of the bottom support frame can be adjusted, the third electric cylinder in the extension leg extends or retracts, the tubular support leg can be pushed or pulled along the extension leg outside through reaction force, and then the actual height of the bottom support frame is adjusted, and the function of conveniently adjusting the equipment height is realized. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a front view structural schematic diagram of the utility model;
[0018] Figure 2 It is a top view structural schematic diagram of the utility model;
[0019] Figure 3 It is a Figure 1 Enlarged structural schematic diagram of A place in the utility model;
[0020] Figure 4 It is a lower positioning sleeve, upper positioning plate working state side view structural schematic diagram of the utility model;
[0021] Figure 5 It is a tubular support leg front view cross section enlarged structural schematic diagram of the utility model.
[0022] In the figure: 1, bottom support frame; 2, tubular support leg; 3, transverse fixing frame; 4, pipeline guide roller; 5, first electric cylinder; 6, limiting block; 7, lower positioning sleeve; 8, insertion slot; 9, lower triangular groove; 10, lower rubber pad; 11, upper positioning plate; 12, upper triangular groove; 13, upper rubber strip; 14, second electric cylinder; 15, top support frame; 16, sensor mounting frame; 17, infrared temperature measurement sensor; 18, laser ranging sensor; 19, extension leg; 20, third electric cylinder. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] Embodiment: please refer to Figures 1-5 A shock-absorbing support positioning frame for thickened pipe ends comprises a bottom support frame 1, four tubular support legs 2 are fixedly connected at the four corners of the bottom end of the bottom support frame 1, transverse fixing frames 3 are welded between the four groups of tubular support legs 2, three groups of pipeline guide rollers 4 are movably connected between the front and rear ends of the top of the bottom support frame 1, a top support frame 15 is fixedly connected to the top end of the bottom support frame 1, and a support positioning assembly that can match various specifications of pipelines is arranged in the bottom support frame 1.
[0025] Please refer to Figures 1-5 The shock-absorbing support positioning frame for thickened pipe ends further comprises a support positioning assembly, the support positioning assembly comprises four groups of limiting blocks 6, the four groups of limiting blocks 6 are fixedly connected to the left and right sides of the front and rear ends of the inside of the bottom support frame 1, first electric cylinders 5 are installed at the four corners of the bottom end of the transverse fixing frame 3, two groups of lower positioning sleeves 7 are arranged above the transverse fixing frame 3, insertion slots 8 are arranged in the inside of the lower positioning sleeves 7, lower triangular grooves 9 are arranged at the top of the lower positioning sleeves 7, two groups of lower rubber pads 10 are fixedly connected to the two sides of the lower triangular grooves 9, an upper positioning plate 11 is arranged above the lower positioning sleeves 7, an upper triangular groove 12 is formed at the bottom end of the upper positioning plate 11, upper rubber strips 13 are fixedly connected to the two sides of the upper triangular groove 12, and second electric cylinders 14 are installed at the four corners of the top end of the top support frame 15.
[0026] The output end of the first electric cylinder 5 is connected with the bottom end of the lower positioning sleeve 7, the output end of the second electric cylinder 14 is connected with the bottom end of the upper positioning plate 11, the shape and size of the outside of the lower positioning sleeve 7 are matched with the shape and size of the inside of the limiting block 6, the lower positioning sleeve 7 can slide up and down along the inside of the limiting block 6, the shape and size of the outside of the upper positioning plate 11 are matched with the shape and size of the inside of the insertion slot 8, the lower positioning sleeve 7 can slide up and down along the inside of the insertion slot 8, so that different size pipes can be clamped and fixed;
[0027] Specifically, as shown in Figure 1 、 Figure 2 and Figure 4 , the first electric cylinder 5 and the second electric cylinder 14 are synchronously extended, the lower positioning sleeve 7 and the upper positioning plate 11 are folded, the lower positioning sleeve 7 moves upwards along the limiting block 6, the upper positioning plate 11 is inserted into the insertion slot 8 in the inside of the lower positioning sleeve 7, the lower triangular groove 9 and the upper triangular groove 12 clamp the pipe body, the upper and lower forces are consistent, the lower rubber pad 10 and the upper rubber strip 13 play a damping role and at the same time protect the surface of the pipe body, so as to avoid scratching, by changing the distance between the lower positioning sleeve 7 and the upper positioning plate 11, different size pipes can be matched.
[0028] The top of the left side of the top support frame 15 is fixedly connected with a sensor mounting frame 16, an infrared temperature measurement sensor 17 is mounted on the left side of the bottom of the sensor mounting frame 16, and a laser distance measurement sensor 18 is mounted on the right side of the bottom of the sensor mounting frame 16; the first electric cylinder 5, the second electric cylinder 14 and the laser distance measurement sensor 18 are electrically connected, so as to facilitate the state monitoring of the pipe body.
[0029] Specifically, as shown in Figure 1 and Figure 3 , the infrared temperature measurement sensor 17 measures the temperature of the pipe end in real time, so as to avoid the problem of insufficient heating and thickening of the pipe body, and the laser distance measurement sensor 18 can measure the size of the pipe, so as to provide a parameter reference for the extension range of the first electric cylinder 5 and the second electric cylinder 14.
[0030] The bottom end of the tubular support leg 2 is inserted from bottom to top with an extension leg 19, the inside of the extension leg 19 is provided with a third electric cylinder 20, the outer diameter of the extension leg 19 is matched with the inner diameter of the tubular support leg 2, the extension leg 19 can slide up and down along the inside of the tubular support leg 2, so as to facilitate the adjustment of the height of the equipment.
[0031] Specifically, as shown in Figure 1 and Figure 5 , the extension or retraction of the third electric cylinder 20 in the extension leg 19 can push or pull the tubular support leg 2 through the reaction force, so that the tubular support leg 2 slides along the outside of the extension leg 19, and the actual height of the bottom support frame 1 is adjusted.
[0032] Working principle: the utility model discloses in use, first, the pipe end of drill pipe body is transported to the front of upsetting machine by conveying equipment after heat treatment, and the pipeline guide roller 4 of bottom support frame 1 top guides the pipeline and makes it explore into the upsetting machine, with the pipe end entering the interior of upsetting machine, the first electric cylinder 5, second electric cylinder 14 synchronous extension, the folding of lower locating sleeve 7, upper locating plate 11, lower locating sleeve 7 goes up along the limiting block 6, and upper locating plate 11 inserts along the insertion slot 8 in the interior of lower locating sleeve 7, and lower triangular groove 9 and upper triangular groove 12 deadlock the pipe body, and the stress is consistent, and lower rubber pad 10 and upper rubber strip 13 play the shock-absorbing effect, and the surface of pipe body is protected simultaneously, avoids causing scratch, and the distance between lower locating sleeve 7 and upper locating plate 11 can be changed, and the pipeline of different sizes can be adapted.The pipeline is transported to the pipeline guide roller 4 first, passes through the sensor mounting bracket 16 below, and the temperature of pipe end is measured in real time by infrared temperature sensor 17, avoids the upsetting thickening of insufficient heating and does not reach the standard, and laser ranging sensor 18 can measure the size of pipeline, and the extension range of first electric cylinder 5 and second electric cylinder 14 is parameter reference.According to the specification of upsetting machine and the height of feed inlet, the actual height of bottom support frame 1 can be adjusted, and the third electric cylinder 20 in extension leg 19 extends or retracts, that is, the tubular support leg 2 can be pushed or pulled by reaction force, makes it slide along the outside of extension leg 19, and the actual height of bottom support frame 1 is adjusted.
[0033] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A shock absorbing support jig for pipe end upsets, comprising a base support frame (1), characterised in that: The bottom support frame (1) bottom end four corners are respectively connected with tubular support leg (2), four groups of tubular support leg (2) are welded with transverse fixed frame (3), the top of bottom support frame (1) between the front and rear two ends are movably connected with three groups of pipeline guide roller (4), the top of bottom support frame (1) is fixedly connected with top support frame (15), the inside of bottom support frame (1) is provided with support positioning assembly that can match multiple specifications pipeline; The support positioning assembly includes four groups of limiting block (6), four groups of limiting block (6) are respectively fixedly connected at the left and right sides of the inside of bottom support frame (1) front and rear ends, the bottom end of transverse fixed frame (3) four corners are respectively provided with first electric cylinder (5), the top of transverse fixed frame (3) is provided with two groups of lower positioning sleeve (7), the inside of lower positioning sleeve (7) is provided with insertion slot (8), the top of lower positioning sleeve (7) is provided with lower triangular groove (9), the two sides of lower triangular groove (9) are respectively fixedly connected with two groups of lower rubber pad (10), the top of lower positioning sleeve (7) is provided with upper positioning plate (11), the bottom end of upper positioning plate (11) is provided with upper triangular groove (12), the two sides of upper triangular groove (12) are respectively fixedly connected with upper rubber strip (13), the top end of top support frame (15) four corners are respectively provided with second electric cylinder (14).
2. A shock absorbing support jig for use with pipe end upsets as defined in claim 1, wherein: The output end of first electric cylinder (5) is connected with the bottom end of lower positioning sleeve (7), and the output end of second electric cylinder (14) is connected with the bottom end of upper positioning plate (11).
3. A shock absorbing support jig for use with pipe end upsets as defined in claim 1 wherein: The shape and size of the outside of lower positioning sleeve (7) are matched with the shape and size of the inside of limiting block (6), and the lower positioning sleeve (7) can slide up and down along the inside of limiting block (6).
4. A shock absorbing support cradle for pipe end upsets as defined in claim 1, wherein: The shape and size of the outside of upper positioning plate (11) are matched with the shape and size of the inside of insertion slot (8), and the lower positioning sleeve (7) can slide up and down along the inside of insertion slot (8).
5. A shock absorbing support cradle for pipe end upsets as defined in claim 1, wherein: The top of the left side of top support frame (15) is fixedly connected with sensor mounting frame (16), the left side of the bottom of sensor mounting frame (16) is provided with infrared temperature sensor (17), the right side of the bottom of sensor mounting frame (16) is provided with laser ranging sensor (18), first electric cylinder (5), second electric cylinder (14) and laser ranging sensor (18) are electrically connected.
6. A shock absorbing support cradle for pipe end upsets as defined in claim 1, wherein: The bottom end of tubular support leg (2) is inserted with extension leg (19) from bottom to top, the inside of extension leg (19) is provided with third electric cylinder (20), the outer diameter of extension leg (19) is matched with the inner diameter of tubular support leg (2), and the extension leg (19) can slide up and down along the inside of tubular support leg (2).