Steel pipe protective cap

By designing the steel pipe protective cap, using buffer components and five-claw chuck structure, the problem of bursting and damage of the ground anchor steel pipe during the knocking process is solved, effectively protecting the steel pipe and extending its service life.

CN223200675UActive Publication Date: 2025-08-08JIANGYIN SIRITE PETROLEUM MASCH MFG CO LTD
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Patent Information

Application Number
CN202421749993.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-08-08
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

During construction, ground anchor steel pipes are prone to burst, bend and damage to the external thread grooves when hit with a hammer, and existing protective devices cannot effectively prevent these damages.

Method used

A steel pipe protective cap is designed, including a roof plate, sleeve, buffer assembly and a five-claw chuck structure. The chuck is stabilized by springs, limiting rods and limiting nuts. The clamp is threaded to the steel pipe to achieve protection of the steel pipe.

Benefits of technology

Effectively prevent ground anchor steel pipe from bursting and damaging the external thread groove during the knocking process, extending the service life of the steel pipe, and not affecting normal hammering operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel pipe protective cap which comprises a top plate, the bottom of the top plate is fixedly connected with a sleeve, a buffer assembly is placed in the sleeve, the buffer assembly is composed of a spring, a chuck, a limiting rod and a limiting nut, one end of the spring is placed in the sleeve, and the other end of the spring is placed in the chuck. The other end of the spring is connected to the back of the chuck in an attached mode, a containing hole is formed in the chuck, the limiting rod is placed in the containing hole in an embedded mode, and a plurality of clamping plates are connected to the chuck in a screwed mode through threads. The device is simple in structure and convenient to use, the bottom of the circular top plate is fixedly connected with the sleeve of the hollow pipe structure, the buffer assembly is arranged in the sleeve, meanwhile, the bottom of the chuck is connected with the arc-shaped clamping plate in a screwed mode through threads, and the threaded groove is formed in the inner wall of the clamping plate; therefore, the connector can be better connected to the steel pipe, and further protection and use are facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel pipes, in particular to a steel pipe protective cap. Background Art

[0002] A steel pipe is a hollow steel material whose length is much greater than its diameter or circumference. There are many types of steel pipes. Based on their cross-sectional shape, they can be categorized as round, square, rectangular, and special-shaped. Based on their material, they can be classified as carbon structural steel pipe, low-alloy structural steel pipe, alloy steel pipe, and composite steel pipe. Based on their intended use, they can be categorized as pipelines, engineering structures, thermal equipment, petrochemical industry, and machinery manufacturing. A steel pipe cap is a device used to protect steel pipes from damage or corrosion.

[0003] Ground anchor steel pipes are often used for support in construction. Some pipes also have external threads on the outer wall of the other end to facilitate connection between multiple pipes. During use, the pipes are typically struck with a hammer. However, continuous hammering can easily cause the exposed ends of the anchor pipes to crack, bend, and deform, or damage the external thread grooves, making them irreversible. Therefore, pipe caps are an essential component of steel pipe protection, effectively protecting the anchor pipes from hammer blows. Utility Model Content

[0004] The purpose of the present invention is to provide a steel pipe protective cap to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel pipe protective cap, comprising a top plate, the bottom of the top plate is fixedly connected to a sleeve, a buffer assembly is placed inside the sleeve, wherein the buffer assembly is composed of a spring, a chuck, a limit rod and a limit nut, wherein one end of the spring is placed inside the sleeve, and the other end of the spring is fitted and connected to the back of the chuck, and a placement hole is provided inside the chuck, and the limit rod is embedded in the placement hole, and a number of splints are screwed onto the chuck by threads.

[0006] Preferably, the top plate is a metal circular plate structure, wherein the bottom of the top plate is fixedly connected to one end of the sleeve by welding, and a plurality of connection holes are provided on the four edges of the top plate.

[0007] Preferably, the sleeve is a metal hollow tube structure, and a placement groove is provided at the connection position between the sleeve and the top plate and inside the sleeve.

[0008] Preferably, one end of the spring is embedded in the placement groove, and the other end of the spring is sleeved on the protrusion, wherein the protrusion is integrally arranged on the back of the chuck.

[0009] Preferably, both sides of the sleeve are provided with sliding grooves and are installed accordingly, wherein one end of the limit rod passes through the sliding groove and the placement hole, and both ends of the limit rod are screwed and connected with limit nuts by threads.

[0010] Preferably, the chuck is a five-jaw chuck structure, wherein an adjusting screw is provided on one side of the chuck, and the adjusting screw is vertically installed in parallel with the placement hole.

[0011] Preferably, the chuck is transmission-connected with five claws, wherein each of the five claws is provided with a mounting hole, and a rubber buffer pad is pasted and placed at the inner center position of the chuck.

[0012] Preferably, a connecting rod is screwed into the mounting hole through a thread, and the other end of the connecting rod is fixedly connected to the splint, wherein a nut is screwed onto the connecting rod, and the splint is an arc-shaped bent plate structure, and a threaded groove is provided on the inner wall of the splint.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model is provided with a top plate and a sleeve of a T-shaped connection structure, and a plurality of connection holes are provided at the edge positions around the top plate, so that it is convenient to use mechanical equipment or manual hammering. At the same time, a spring is stably placed inside the sleeve, and a chuck is fitly connected to the other end of the spring, and a placement hole is opened inside the chuck, wherein sliding grooves are correspondingly opened on both sides of the sleeve, and a limiting rod is passed through the sliding groove and the placement hole to stably support the chuck, and limiting nuts are screwed and connected at both ends of the limiting rod, so that the chuck can be stably placed inside the sleeve and have a certain up and down movement spacing, wherein the chuck is a five-claw chuck structure, and mounting holes are provided on the clamping jaws, and a splint is screwed and connected to the mounting hole by a connecting rod, wherein the splint is an arc-shaped bent plate structure, and arc grooves are correspondingly provided on the inner wall of the splint, so that not only the spacing between the splints can be adjusted by the chuck, but also the thread on the splint can be screwed and connected to the steel pipe, so as to further protect the steel pipe and not affect the normal hammering operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a side view of the sleeve of the utility model;

[0017] Figure 3 This is a top view of the top plate of the utility model;

[0018] Figure 4 It is a side view of the chuck of the utility model;

[0019] Figure 5 This is a bottom view of the chuck of the utility model;

[0020] Figure 6 It is a side view of the plywood of the utility model;

[0021] Figure 7 It is a top view of the inner side of the splint of the present invention.

[0022] In the figure: 1. Top plate; 2. Sleeve; 21. Placement groove; 22. Slide groove; 3. Buffer assembly; 31. Spring; 32. Chuck; 302. Bump; 33. Limit rod; 34. Limit nut; 35. Placement hole; 36. Adjustment screw; 37. Claw; 307. Mounting hole; 4. Connecting hole; 5. Clamp; 51. Connecting rod; 52. Nut; 6. Buffer pad. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-7 The utility model provides a technical solution: a steel pipe protective cap, including a top plate 1, wherein the top plate 1 is a metal circular plate structure, wherein the bottom of the top plate 1 is fixedly connected to one end of the sleeve 2 by welding, so as to maintain the connection stability between the top plate 1 and the sleeve 2, and at the same time, a plurality of connection holes 4 are provided at the edges around the top plate 1, so that the top plate 1 can be connected to the driving machinery by using the connection holes 4, which is more practical.

[0025] The bottom of the top plate 1 is fixedly connected to a sleeve 2, and a buffer assembly 3 is placed inside the sleeve 2, wherein the buffer assembly 3 is composed of a spring 31, a chuck 32, a limiting rod 33 and a limiting nut 34, wherein one end of the spring 31 is placed inside the sleeve 2, and the other end of the spring 31 is fitly connected to the back of the chuck 32, wherein the sleeve 2 is a metal hollow tube structure, and a placement groove 21 is provided at the connection position between the sleeve 2 and the top plate 1, and inside the sleeve 2, for facilitating limiting and fixing the spring 31, and one end of the spring 31 is embedded in the placement groove 21, and the other end of the spring 31 is sleeved on the protrusion 302, wherein the protrusion 302 is integrally arranged on the back of the chuck 32, so that the spring 31 can be used to stably support and connect the chuck 32.

[0026] A placement hole 35 is provided inside the chuck 32, and the limit rod 33 is embedded in the placement hole 35, wherein both sides of the sleeve 2 are provided with a slide groove 22, and are installed accordingly, wherein one end of the limit rod 33 passes through the slide groove 22 and the placement hole 35, and the limit nuts 34 are screwed together at both ends of the limit rod 33 by threads, so that not only can the limit rod 33 be used to stably support the chuck 32, but the slide groove 22 and the limit nut 34 can also be used to limit the movable spacing of the limit rod 33 to prevent the chuck 32 from shaking and falling off.

[0027] The chuck 32 is a five-jaw chuck structure, in which an adjusting screw 36 is provided on one side of the chuck 32. The adjusting screw 36 is vertically parallel to the placement hole 35 to facilitate the adjustment operation of the adjusting screw 36. At the same time, five claws 37 are transmission-connected to the chuck 32, in which mounting holes 307 are provided on all five claws 37. A rubber buffer pad 6 is pasted and placed at the inner center position of the chuck 32 to facilitate the use of the buffer pad 6 to protect the top of the steel pipe.

[0028] A number of splints 5 are screwed onto the chuck 32 through threads, and a connecting rod 51 is screwed into the mounting hole 307 through threads, and the other end of the connecting rod 51 is fixedly connected to the splint 5, wherein a nut 52 is screwed onto the connecting rod 51, and the splint 5 is an arc-shaped bent plate structure, and a thread groove is provided on the inner wall of the splint 5. In this way, not only can the chuck 32 be used to adjust the spacing between the splints 5, but also the splint 5 can be screwed onto the thread groove on the outside of the steel pipe to further protect the external thread of the steel pipe.

[0029] Working principle: When using the utility model, first, one end of the spring 31 is embedded in the placement groove 21, and the back of the chuck 32 is embedded in the other end of the spring 31 using the protrusion 302. At the same time, one end of the limit rod 33 is passed through the slide grooves 22 on both sides of the sleeve 2 and the placement hole 35 in the chuck 32, and the limit nuts 34 are screwed on both ends of the limit rod 33, so that the limit rod 33 can be stably placed in the slide groove 22. At this time, the splint 5 is screwed and connected to the claw 37 using the connecting rod 51. On the top, a nut 52 is screwed and connected to the connecting rod 51, so that the height of the splint 5 can be adjusted and fixed; when it needs to be connected, the spacing between the claws 37 on the chuck 32 is adjusted by adjusting the screw 36, and the spacing between the splints 5 is further adjusted. At the same time, a threaded groove is provided on the inner wall of the splint 5, so that the chuck 32 can be screwed and connected to the steel pipe for protection. At this time, the top plate 1 can be knocked and hammered to perform processing operations on the steel pipe, further extending the service life of the steel pipe.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel pipe protective cap, comprising a top plate (1), characterized in that: The bottom of the top plate (1) is fixedly connected to a sleeve (2), and a buffer assembly (3) is placed inside the sleeve (2), wherein the buffer assembly (3) is composed of a spring (31), a chuck (32), a limiting rod (33) and a limiting nut (34), wherein one end of the spring (31) is placed inside the sleeve (2), and the other end of the spring (31) is fitted and connected to the back of the chuck (32), and a placement hole (35) is provided inside the chuck (32), and the limiting rod (33) is embedded and placed in the placement hole (35), and a plurality of splints (5) are screwed on the chuck (32) by means of threads.

2. The steel pipe protective cap according to claim 1, characterized in that: The top plate (1) is a metal circular plate structure, wherein the bottom of the top plate (1) is fixedly connected to one end of the sleeve (2) by welding, and a plurality of connection holes (4) are provided at the edges around the top plate (1).

3. The steel pipe protective cap according to claim 2, characterized in that: The sleeve (2) is a metal hollow tube structure, and a placement groove (21) is provided at the connection position between the sleeve (2) and the top plate (1) and inside the sleeve (2).

4. The steel pipe protective cap according to claim 3, characterized in that: One end of the spring (31) is embedded in the placement groove (21), and the other end of the spring (31) is sleeved on the protrusion (302), wherein the protrusion (302) is integrally arranged on the back of the chuck (32).

5. The steel pipe protective cap according to claim 4, characterized in that: Both sides of the sleeve (2) are provided with sliding grooves (22) and are installed accordingly, wherein one end of the limiting rod (33) passes through the sliding groove (22) and the placement hole (35), and both ends of the limiting rod (33) are screwed and connected to the limiting nut (34) through threads.

6. The steel pipe protective cap according to claim 5, characterized in that: The chuck (32) is a five-jaw chuck structure, wherein an adjusting screw (36) is provided on one side of the chuck (32), and the adjusting screw (36) is vertically arranged and installed in parallel with the placement hole (35).

7. The steel pipe protective cap according to claim 6, characterized in that: The chuck (32) is transmission-connected with five claws (37), wherein each of the five claws (37) is provided with a mounting hole (307), and a rubber buffer pad (6) is pasted and placed at the inner center position of the chuck (32).

8. The steel pipe protective cap according to claim 7, characterized in that: A connecting rod (51) is screwed into the mounting hole (307) via a thread, and the other end of the connecting rod (51) is fixedly connected to the clamping plate (5), wherein a nut (52) is screwed into the connecting rod (51), and the clamping plate (5) is an arc-shaped bent plate structure, and a thread groove is provided on the inner wall of the clamping plate (5).