Self-locking device of grouting clamp for offshore platform
By designing a self-locking device for grouting clamps for offshore platforms and using telescopic cylinders to drive self-locking rods to achieve self-locking, the problem of low fixing efficiency of grouting clamps in the prior art is solved, especially in large batches or underwater environments, which significantly improves the fixing efficiency and ensures the safety of operators.
Patent Information
- Application Number
- CN202422088023.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-26
AI Technical Summary
In the prior art, fixing of grout clamps usually relies on manual manual operation, resulting in low fixing efficiency in fixed grout clamps or underwater environments with large fixed volumes and poses a threat to the safety of the operator.
A self-locking device for grouting clamps for offshore platforms is designed, including a first fixing plate, a second fixing plate, a self-locking box and a self-locking lever. The self-locking lever is driven through the connecting plate, the second fixing plate and the first fixing plate by a telescopic cylinder, and the self-locking is completed when extending to the interior of the self-locking box.
The device effectively improves the fixing efficiency of grouting clamps, especially in large batches or underwater environments, reduces safety threats to operators, and supports rapid unlocking and reuse.
Smart Images
Figure CN223019123U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clamps, in particular to a self-locking device for a grouting clamp used in an offshore platform. Background Art
[0002] At present, for the connection of grouting clamps, manual tightening and fixing are usually adopted. However, this fixing method has good applicability for the fixing of some small-sized grouting clamps, but for the fixing of some large-sized grouting clamps, there is a problem of low fixing efficiency. Especially when a large number of large-sized grouting clamps need to be fixed, the problem of low fixing efficiency becomes more prominent. Further, for the repair of the contact nodes between underwater steel pipe members and pipelines on an offshore platform, the commonly used method at present is usually the grouting clamp repair method. At this time, for the fixing of the grouting clamp, it needs to be operated underwater. If manual operation is still adopted, it will not only greatly affect the fixing efficiency, but also pose a threat to the life safety of the operators during long-term underwater operations.
[0003] Therefore, there is an urgent need for a self-locking device for a grouting clamp used in an offshore platform to solve the above problems. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the problem that in the prior art, for the fixing of grouting clamps, manual operation is usually adopted for fixing, resulting in low fixing efficiency, and to provide a self-locking device for a grouting clamp used in an offshore platform.
[0005] The technical solution of the utility model is as follows:
[0006] A self-locking device for a grouting clamp used in an offshore platform, comprising a first fixing plate and a second fixing plate for connecting the clamp. The second fixing plate is arranged on the top of the first fixing plate. A plurality of support columns are arranged at intervals on the top of the second fixing plate. A connecting plate is installed on the tops of the plurality of support columns. A telescopic cylinder is arranged at the middle position on the top of the connecting plate. The telescopic end of the telescopic cylinder is fixedly connected with a self-locking rod. A self-locking box is arranged at the bottom of the first fixing plate. The self-locking rod, driven by the telescopic cylinder, sequentially passes through the connecting plate, the second fixing plate and the first fixing plate, and completes self-locking when extending into the interior of the self-locking box.
[0007] Preferably, the self-locking box includes a box body. A guiding groove is vertically formed in the box body, and two sliding grooves perpendicular to and communicating with the guiding groove are symmetrically formed in the horizontal direction. A sliding block is arranged inside the sliding groove. One end of the sliding block away from the guiding groove is connected with a spring, and the other end of the spring away from the sliding block is connected with a spring plate detachably installed on the side surface of the box body. The two sliding blocks are locked by engaging with the engaging part of the self-locking rod.
[0008] Preferably, the sliding block is a trapezoidal block, and a pushing block matching the structure of the trapezoidal block is arranged at the end of the self-locking rod.
[0009] Preferably, two guiding blocks are symmetrically arranged on the opposite side surfaces of the guiding groove.
[0010] Preferably, the contact surfaces between the sliding block and the sliding groove are all smooth surfaces.
[0011] Preferably, screw holes are formed at both ends of the spring plate, and the spring plate is installed on the side surface of the box body through spring plate bolts.
[0012] Preferably, a threaded hole is formed at the top of the support column, and the connecting plate is installed on the support column through connecting plate bolts.
[0013] Preferably, there are two support columns, and the two support columns are symmetrically arranged at both ends of the top of the second fixing plate.
[0014] Preferably, a protective frame is installed at the middle position of the top of the connecting plate, and the telescopic cylinder is installed inside the protective frame.
[0015] Preferably, the first fixing plate, the second fixing plate, the support column, the connecting plate, the self-locking box and the self-locking rod are all made of stainless steel.
[0016] According to the above technical solution, based on the self-locking device of the grouting clamp for the offshore platform, in actual application, after connecting the clamp through the first fixing plate and the second fixing plate, the self-locking is realized through the self-locking box on the first fixing plate and the self-locking rod on the second fixing plate, which can effectively improve the fixing efficiency of the clamp. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic cross-sectional structure diagram of the self-locking device of the grouting clamp for the offshore platform;
[0018] Figure 2 is a schematic cross-sectional structure diagram of the self-locking box of the self-locking device of the grouting clamp for the offshore platform;
[0019] Figure 3It is a schematic cross-sectional structure diagram of a self-locking rod of a self-locking device for a grouting clamp used in an offshore platform;
[0020] Figure 4 It is a schematic structure diagram of a support column of a self-locking device for a grouting clamp used in an offshore platform.
[0021] Explanation of reference numerals
[0022] 1. First fixing plate; 2. Second fixing plate; 3. Self-locking box; 30. Box body; 31. Guide groove; 32. Sliding groove; 33. Sliding block; 34. Spring; 35. Spring plate; 36. Spring plate bolt; 37. Guide block; 4. Self-locking rod; 5. Support column; 6. Connecting plate; 7. Connecting plate bolt; 8. Protection frame; 9. Telescopic cylinder. Specific implementation manners
[0023] The following details the specific implementation manners of the embodiments of the present utility model. It should be understood that the specific implementation manners described herein are only for explaining and illustrating the embodiments of the present utility model, and are not used to limit the embodiments of the present utility model.
[0024] In the description of the present application, the terms "first" and "second" are only used for descriptive purposes, and cannot be construed as indicating relative importance or implicitly indicating the quantity of the indicated technical features. Thus, unless otherwise specified, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features; the meaning of "a plurality" is two or more. The term "comprising" and any of its variations means non-exclusive inclusion, and may possibly exist or add one or more other features, units, components and / or their combinations.
[0025] In addition, unless otherwise clearly defined and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.
[0026] The present utility model provides a self-locking device for a grouting clamp used in an offshore platform, as Figures 1-4As shown, the self-locking device of the grouting clamp for the offshore platform includes a first fixing plate 1 and a second fixing plate 2 for connecting the clamp. The second fixing plate 2 is arranged on the top of the first fixing plate 1. A plurality of support columns 5 are arranged at intervals on the top of the second fixing plate 2. A connecting plate 6 is installed on the tops of the plurality of support columns 5. A telescopic cylinder 9 is arranged at the middle position on the top of the connecting plate 6. The telescopic end of the telescopic cylinder 9 is fixedly connected with a self-locking rod 4. A self-locking box 3 is arranged at the bottom of the first fixing plate 1. Driven by the telescopic cylinder 9, the self-locking rod 4 sequentially passes through the connecting plate 6, the second fixing plate 2 and the first fixing plate 1, and completes self-locking when extending into the interior of the self-locking box 3.
[0027] According to the above technical solution, based on the self-locking device of the grouting clamp for the offshore platform, during actual application, after connecting the clamp through the first fixing plate and the second fixing plate, self-locking is realized through the self-locking box on the first fixing plate and the self-locking rod on the second fixing plate, which can effectively improve the fixing efficiency of the clamp.
[0028] In the self-locking device of the grouting clamp for the offshore platform described in the present utility model, preferably, as Figures 2-3 shown, the self-locking box 3 includes a box body 30. A guiding groove 31 is opened in the box body 30 in the vertical direction, and two sliding grooves 32 perpendicular to and communicating with the guiding groove 31 are symmetrically opened in the horizontal direction. A sliding block 33 is arranged inside the sliding groove 32. One end of the sliding block 33 away from the guiding groove is connected with a spring 34. One end of the spring 34 away from the sliding block is connected with a spring plate 35 detachably installed on the side surface of the box body 30. The two sliding blocks 33 complete self-locking by clamping with the clamping part 42 of the self-locking rod 4.
[0029] Further preferably, the sliding block 33 is a trapezoidal block, and a pushing block 41 matching the structure of the trapezoidal block is arranged at the end of the self-locking rod 4.
[0030] During actual application, under the action of the telescopic cylinder 9, the self-locking rod 4 sequentially passes through the connecting plate 6, the second fixing plate 2 and the first fixing plate 1, and extends into the guiding groove 31. Then, the pushing block 41 of the self-locking rod 4 squeezes the trapezoidal block, so that the two trapezoidal blocks squeeze the spring 34 and contract inward along the sliding groove 32 until after the pushing block 41 of the self-locking rod 4 passes through the action area of the trapezoidal block, the two symmetrically arranged trapezoidal blocks pop out without the squeezing force of the pushing block 41, completing the self-locking of the clamping part 42 of the self-locking rod 4, and at the same time, the self-locking rod 4 stops moving.
[0031] In the self-locking device of the grouting clamp for an offshore platform according to the present utility model, preferably, two guiding blocks 37 are symmetrically arranged on opposite side surfaces of the guiding groove 31, so as to guide and limit the self-locking rod 4 extending into the interior of the guiding groove 31, and further enable the pushing block 41 of the self-locking rod 4 to accurately squeeze the sliding block 33 to contract, and achieve self-locking between the engaging portion 42 of the self-locking rod 4 and the sliding block 33 after the squeezing is completed.
[0032] In the self-locking device of the grouting clamp for an offshore platform according to the present utility model, preferably, the contact surfaces between the sliding block 33 and the sliding groove 32 are all smooth surfaces, so that the sliding block 33 can smoothly contract after being squeezed, and when the squeezing force is released, it can quickly pop out to achieve self-locking of the engaging portion 42 of the self-locking rod 4.
[0033] In the self-locking device of the grouting clamp for an offshore platform according to the present utility model, preferably, screw holes are provided at both ends of the spring plate 35, and the spring plate 35 is installed on the side surface of the box body 30 through spring plate bolts 36. Thus, in the actual application process, when it is not necessary to self-lock and fix the clamp, the spring plate bolts 36 can be disassembled, and the spring plate 35 can be pulled outwards to unlock the engaging portion 42 of the self-locking rod 4. At this time, the self-locking rod 4 can be reset under the action of the telescopic cylinder 9 and wait for self-locking when used next time.
[0034] In the self-locking device of the grouting clamp for an offshore platform according to the present utility model, preferably, as Figure 4 shown, a threaded hole is provided at the top of the support column 5, and the connecting plate 6 is installed on the support column 5 through a connecting plate bolt 7. In another preferred embodiment, there are two support columns 5, and the two support columns 5 are symmetrically arranged at both ends of the top of the second fixing plate 2.
[0035] In the self-locking device of the grouting clamp for an offshore platform according to the present utility model, preferably, a protective frame 8 is installed at the middle position of the top of the connecting plate 6, and the telescopic cylinder 9 is installed inside the protective frame 8, so as to protect the telescopic cylinder 9.
[0036] In the self-locking device of the grouting clamp for an offshore platform according to the present utility model, preferably, the first fixing plate 1, the second fixing plate 2, the support column 5, the connecting plate 6, the self-locking box 3 and the self-locking rod 4 are all made of stainless steel, so as to reduce the overall mass while ensuring the structural strength of the self-locking device, and facilitate installation and use. Further preferably, each structure of the self-locking device is provided with a hollow to further reduce the mass of the self-locking device.
[0037] The present utility model will be described in detail below through embodiments, but the protection scope of the present utility model is not limited thereto.
[0038] Embodiment 1
[0039] Adopt the self-locking device of the grouting clamp for the offshore platform as shown in Figures 1-4 to implement the self-locking fixation of the grouting clamp in the sea. Specifically, the self-locking device includes a first fixing plate 1 and a second fixing plate 2 for connecting the clamp. The second fixing plate 2 is arranged on the top of the first fixing plate 1. A plurality of support columns 5 arranged at intervals are provided on the top of the second fixing plate 2. A connecting plate 6 is installed on the tops of the plurality of support columns 5. A telescopic cylinder 9 is arranged at the middle position on the top of the connecting plate 6. The telescopic end of the telescopic cylinder 9 is fixedly connected with a self-locking rod 4. A self-locking box 3 is arranged at the bottom of the first fixing plate 1. The self-locking rod 4, driven by the telescopic cylinder 9, sequentially passes through the connecting plate 6, the second fixing plate 2 and the first fixing plate 1, and completes self-locking when extending into the interior of the self-locking box 3;
[0040] The self-locking box 3 includes a box body 30. A guiding groove 31 is opened in the box body 30 in the vertical direction, and two sliding grooves 32 vertically communicating with the guiding groove 31 are symmetrically opened in the horizontal direction. A sliding block 33 is arranged inside the sliding groove 32. One end of the sliding block 33 away from the guiding groove is connected with a spring 34. One end of the spring 34 away from the sliding block is connected with a spring plate 35 detachably installed on the side of the box body 30. The two sliding blocks 33 complete self-locking by being clamped with the clamping part 42 of the self-locking rod 4; the sliding block 33 is a trapezoidal block, and a pushing block 41 matching the structure of the trapezoidal block is arranged at the end of the self-locking rod 4; the first fixing plate 1, the second fixing plate 2, the support columns 5, the connecting plate 6, the self-locking box 3 and the self-locking rod 4 are all made of stainless steel; a protective frame 8 is installed at the middle position on the top of the connecting plate 6, and the telescopic cylinder 9 is installed inside the protective frame 8; threaded holes are opened at the tops of the support columns 5, and the connecting plate 6 is installed on the support columns 5 through connecting plate bolts 7; there are two support columns 5, and the two support columns 5 are symmetrically arranged at both ends of the top of the second fixing plate 2.
[0041] In practical applications, first, the fixing holes on the sides of the two split sleeves of the clamp (which can be spliced into an annular cavity) are aligned. Then, the second fixing plate 2 is manually installed on one split sleeve by aligning the pushing block 41 of the self-locking rod 4 with the fixing hole, and the first fixing plate 1 is installed on the other split sleeve by aligning the guiding groove 31 of the self-locking box 3 with the fixing hole. Then, under the action of the telescopic cylinder 9, the self-locking rod 4 sequentially passes through the connecting plate 6, the second fixing plate 2, the fixing holes of the two split sleeves, the first fixing plate 1, and extends into the guiding groove 31. Then, the pushing block 41 of the self-locking rod 4 presses the trapezoidal clamping block, causing the two trapezoidal clamping blocks to press the spring 34 and contract inward along the sliding groove 32 until after the pushing block 41 of the self-locking rod 4 passes through the action area of the trapezoidal clamping block, the two symmetrically arranged trapezoidal clamping blocks pop out due to the loss of the extrusion force of the pushing block 41, completing the self-locking of the clamping part 42 of the self-locking rod 4, and at the same time, the self-locking rod 4 stops moving.
[0042] After testing, compared with the existing manual fixing scheme for the clamp, the self-locking device of the grouting clamp for offshore platforms described in the present utility model can effectively improve the fixing efficiency of the clamp and can also be unlocked according to actual needs for repeated use.
[0043] Embodiment 2
[0044] Implemented with reference to Embodiment 1, the difference is that two guiding blocks 37 are symmetrically arranged on the opposite sides of the guiding groove 31; the contact surfaces between the sliding clamping block 33 and the sliding groove 32 are all smooth surfaces.
[0045] After testing, compared with the scheme in Embodiment 1, the self-locking device of the grouting clamp for offshore platforms described in the present utility model can further improve the self-locking efficiency of the clamp.
[0046] Embodiment 3
[0047] Implemented with reference to Embodiment 2, the difference is that screw holes are provided at both ends of the spring plate 35, and the spring plate 35 is installed on the side of the box body 30 through the spring plate bolts 36.
[0048] After testing, compared with the scheme in Embodiment 2, the self-locking device of the grouting clamp for offshore platforms described in the present utility model can further achieve rapid unlocking of the clamp.
[0049] The self-locking device of the grouting clamp for offshore platforms provided by the present utility model connects the clamp through the first fixing plate and the second fixing plate, and then realizes self-locking through the self-locking box on the first fixing plate and the self-locking rod on the second fixing plate, which can effectively improve the fixing efficiency of the clamp.
[0050] The preferred embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited thereto. Within the scope of the technical concept of the present utility model, various simple modifications can be made to the technical solution of the present utility model. To avoid unnecessary repetition, the present utility model will not separately describe various possible combinations. However, these simple modifications and combinations should equally be regarded as the content disclosed by the present utility model and all fall within the protection scope of the present utility model.
Claims
1. A self-locking device for a grouting clamp for an offshore platform, characterized in that: The self-locking device comprises a first fixing plate (1) and a second fixing plate (2) for connecting the clamp, the second fixing plate (2) being arranged on the top of the first fixing plate (1), a plurality of support columns (5) arranged at intervals being arranged on the top of the second fixing plate (2), a connecting plate (6) being installed on the top of the plurality of support columns (5), a telescopic cylinder (9) being arranged at the middle position of the top of the connecting plate (6), a self-locking rod (4) being fixedly connected to the telescopic end of the telescopic cylinder (9), a self-locking box (3) being arranged at the bottom of the first fixing plate (1), the self-locking rod (4) being driven by the telescopic cylinder (9) to pass through the connecting plate (6), the second fixing plate (2) and the first fixing plate (1) in sequence, and completing self-locking when extending to the inside of the self-locking box (3).
2. The self-locking device of the grouting clamp for offshore platform according to claim 1 is characterized in that: The self-locking box (3) comprises a box body (30), a guide groove (31) is provided on the box body (30) in the vertical direction, and two sliding grooves (32) are symmetrically provided in the horizontal direction and vertically connected to the guide groove (31), a sliding block (33) is arranged inside the sliding groove (32), one end of the sliding block (33) away from the guide groove is connected to a spring (34), and one end of the spring (34) away from the sliding block is connected to a spring plate (35) detachably mounted on the side of the box body (30), and the two sliding blocks (33) are self-locked by being engaged with the engaging portion (42) of the self-locking rod (4).
3. The self-locking device of the grouting clamp for offshore platform according to claim 2 is characterized in that: The sliding block (33) is a trapezoidal block, and the end of the self-locking rod (4) is provided with a pushing block (41) matching the structure of the trapezoidal block.
4. The self-locking device of the grouting clamp for offshore platform according to claim 2, characterized in that: Two guide blocks (37) are symmetrically arranged on opposite sides of the guide groove (31).
5. The self-locking device of the grouting clamp for offshore platform according to claim 2, characterized in that: The contact surfaces between the sliding block (33) and the sliding groove (32) are both smooth surfaces.
6. The self-locking device of the grouting clamp for offshore platform according to claim 2, characterized in that: Screw holes are provided at both ends of the spring plate (35), and the spring plate (35) is mounted on the side surface of the box body (30) via spring plate bolts (36).
7. The self-locking device of the grouting clamp for offshore platform according to claim 1, characterized in that: A threaded hole is provided at the top of the support column (5), and the connecting plate (6) is mounted on the support column (5) via connecting plate bolts (7).
8. The self-locking device of the grouting clamp for offshore platform according to claim 1 or 7, characterized in that: Two support columns (5) are provided, and the two support columns (5) are symmetrically arranged at two ends of the top of the second fixing plate (2).
9. The self-locking device of the grouting clamp for offshore platform according to claim 1, characterized in that: A protection frame (8) is installed at the middle position of the top of the connecting plate (6), and the telescopic cylinder (9) is installed inside the protection frame (8).
10. The self-locking device of the grouting clamp for offshore platform according to claim 1, characterized in that: The first fixing plate (1), the second fixing plate (2), the supporting column (5), the connecting plate (6), the self-locking box (3) and the self-locking rod (4) are all made of stainless steel.