Pushing and pulling rod of a fracturing device

Abstract

The utility model discloses a kind of pushing and pulling rod of fracturing device, including fracturing device connecting cylinder and equipment connecting column, and the plug-in structure socket is set on fracturing device connecting cylinder, and the plug mechanism is set on equipment connecting column, and the plug mechanism includes plug rod, and the lower inclined surface slider is set in the internal cavity of plug rod, and the upper inclined surface slider is set on the one side of lower inclined surface slider, and the upper inclined surface slider is connected to push and push inclined block by connecting rod, and the lower side of push and push inclined block is set to push and push rod, and push and push rod moves upward, push and push inclined block, so that the upper inclined surface slider moves to outside, and the lock bolt is set on lower inclined surface slider, and the lock bolt groove is set on upper inclined surface slider;Plug mechanism design has realized reliable locking in pushing process, automatic trigger unlocking preparation after pushing in place and smooth mechanical unlocking when pulling out. Meanwhile, roller guide and tension spring reset design ensure the smooth and stable movement of mechanism, significantly improve the safety, reliability and operating efficiency of fracturing device pushing and pulling operation.

Description

Technical Field

[0001] This utility model belongs to the field of fracturing device technology, specifically relating to a push-pull rod for a fracturing device. Background Technology

[0002] High-pressure gas fracturing devices are commonly used for rock breaking in fields such as mining, geological exploration, and tunnel construction. These fracturing devices typically require a pusher rod to precisely insert them into a pre-drilled deep hole, and then they are retrieved after blasting or when repositioning is needed. Currently, common pushing methods often employ simple hooks, ropes, or threaded connections.

[0003] Hooks or ropes can easily loosen or come off accidentally during the pushing process, causing the fracturing device to fall to the bottom of the hole, resulting in equipment damage, hole blockage, or even safety accidents. Moreover, it is difficult to install the fracturing device in place.

[0004] The threaded connection method requires precise alignment and tightening of the threads for each push and pull, which is time-consuming and labor-intensive. It is particularly inefficient in operations that require frequent position adjustments, and additional rotational power output is required on the lifting equipment. Utility Model Content

[0005] The purpose of this invention is to provide a pusher rod for a fracturing device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a push-pull rod for a fracturing device, comprising a fracturing device connecting cylinder and an equipment connecting column. The fracturing device connecting cylinder has a plug-in structure socket, and the equipment connecting column is provided with a plug mechanism. The plug mechanism includes a plug rod, and a lower inclined slider is provided within the internal cavity of the plug rod. The lower inclined slider is connected to a partition in the middle of the plug rod cavity via a spring. An upper inclined slider is provided on one side of the lower inclined slider, and the upper inclined slider is connected to a pushing block via a connecting rod. A pushing rod is provided on the lower side of the pushing block, and the pushing rod moves upward to push the pushing block, causing the upper inclined slider to move outward. A locking tongue is provided on the lower inclined slider, and a locking tongue groove is provided on the upper inclined slider.

[0007] Preferably, the pushing blocks are connected by tension springs.

[0008] Preferably, the locking tongue groove extends through the upper inclined slider.

[0009] Preferably, rollers are provided on both sides of the lower inclined slider, and roller grooves are provided inside the plug rod, with the rollers disposed in the roller grooves.

[0010] Preferably, the connecting cylinder of the fracturing device is provided with a threaded interface at one end and a plug-in structure socket at the other end, and the diameter of the plug-in structure socket is smaller than the inner cavity diameter.

[0011] Preferably, one end of the insertion port of the fracturing device connecting cylinder is recessed inward.

[0012] The technical effects and advantages of this utility model are as follows: 1. The plug mechanism is inserted into the plug-in structure of the fracturing device connecting cylinder. The lower inclined slider pops out under the action of the spring and hooks the edge of the plug, forming a mechanical interlock, which effectively prevents accidental disengagement during the pushing process and ensures that the fracturing device body is safely and stably sent into the bottom of the hole.

[0013] 2. When the fracturing device body is pushed to the bottom of the hole, the push rod is squeezed inward by the bottom of the plug-in structure and automatically triggers the linkage mechanism (push block, connecting rod, upper inclined surface slider) to act, so that the locking tongue is engaged in the locking tongue groove and the lower inclined surface slider and the upper inclined surface slider are locked. This process does not require additional manual intervention, which makes it convenient for the plug rod to leave the fracturing device connecting cylinder. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the fracturing device connecting cylinder and the equipment connecting column of this utility model;

[0016] Figure 3 This is a schematic diagram of the plug mechanism structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the lower inclined plane slider and the upper inclined plane slider of this utility model;

[0018] Figure 5 This is a cross-sectional structural diagram of the fracturing device connecting cylinder of this utility model.

[0019] In the diagram: 1. Fracturing device body; 2. Fracturing device connecting cylinder; 3. Equipment connecting column; 4. Plug mechanism; 41. Plug rod; 42. Lower inclined plane slider; 43. Roller; 44. Roller groove; 45. Partition plate; 46. Spring; 47. Upper inclined plane slider; 48. Connecting rod; 49. Pushing block; 410. Pushing rod; 411. Locking tongue; 412. Locking tongue groove. Detailed Implementation

[0020] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0021] This utility model provides, for example Figures 1-5The push-pull rod of a fracturing device shown includes a fracturing device connecting cylinder 2 and an equipment connecting column 3. The fracturing device connecting cylinder 2 is connected to one end of the fracturing device body 1. One end of the fracturing device connecting cylinder 2 is provided with a threaded interface, and the other end is provided with a plug-in structure socket. The diameter of the plug-in structure socket is smaller than the inner cavity diameter. The threaded interface is connected to the threaded connector of the fracturing device body 1. The plug mechanism 4 is inserted into the plug-in structure socket. The plug mechanism 4 is located at the lower end of the equipment connecting column 3.

[0022] The plug mechanism 4 includes a plug rod 41. A lower inclined slider 42 is disposed within a transverse cavity inside the plug rod 41. The lower inclined slider 42 is connected to a partition 45 in the middle of the cavity of the plug rod 41 via a spring 46. An upper inclined slider 47 is disposed on one side of the lower inclined slider 42. The upper inclined slider 47 is connected to a pushing block 49 via a connecting rod 48. A pushing rod 410 is disposed on the lower side of the pushing block 49. The pushing rod 410 passes through the partition 45 and the plug rod 41 and extends to the outside of the plug rod 41. The push rod 410 moves upward, pushing the push block 49, causing the push block 49 to move outward. The push block 49, through the connecting rod 48, causes the upper inclined slider 47 to move outward. A locking tongue 411 is provided on the lower inclined slider 42, which is pushed by a small spring. A locking tongue groove 412 is provided on the upper inclined slider 47. When the upper inclined slider 47 moves outward, the locking tongue 411 is locked in the locking tongue groove 412, connecting the lower inclined slider 42 and the upper inclined slider 47, so that they move together.

[0023] Specifically, the push-in blocks 49 are connected by a tension spring, which causes the upper inclined surface slider 47 to move inward under the action of the tension spring, so that the push-in blocks 49 retract inward when not pushed by the push rod 410; and the tension of the tension spring is much smaller than the elastic force of the spring 46.

[0024] Specifically, the locking tongue groove 412 passes through the upper inclined slider 47, which facilitates the use of a tool to push the locking tongue 411 from the upper side of the locking tongue groove 412, so that the locking tongue 411 disengages from the locking tongue groove 412, thereby separating the lower inclined slider 42 from the upper inclined slider 47.

[0025] As an embodiment of this application, in order to facilitate smoother left and right movement of the lower inclined slider 42, rollers 43 are provided on both sides of the lower inclined slider 42, with two on each side. The plug rod 41 is provided with a roller groove 44, and the rollers 43 are disposed in the roller groove 44. The two rollers 43 on each side are respectively in contact with the upper and lower inner walls of the roller groove 44.

[0026] Specifically, the insertion end of the connector 2 of the fracturing device is recessed inward, and the end of the plug rod 41 has an inwardly converging tip, making it easier for the plug rod 41 to be inserted into the insertion end of the connector structure.

[0027] During use, the fracturing device's push-pull rod has the fracturing device connecting cylinder 2 mounted on the fracturing device body 1, and the equipment connecting column 3 mounted on the hoisting equipment. The hoisting equipment provides power for pushing and pulling the fracturing device body 1. During pushing, the plug rod 41 is inserted into the fracturing device connecting cylinder 2 (the push rod 410 does not contact the bottom of the insertion structure socket of the fracturing device connecting cylinder 2). At this time, the lower inclined slider 42 is pushed out by the spring 46, and the upper end of the lower inclined slider 42 hooks onto the edge of the insertion structure socket of the fracturing device connecting cylinder 2. The hoisting equipment lifts the fracturing device body 1 and inserts it into the drilled hole. When the fracturing device body 1 is completely pushed into the hole, the fracturing process begins. When the push rod 410 of the device body 1 is compressed, it retracts into the plug rod 41. At this time, the upper end of the plug rod 41 compresses the push block 49, causing the push block 49 to move outward. The push block 49, through the connecting rod 48, causes the upper inclined surface slider 47 to move outward, so that the locking tongue 411 is locked in the locking tongue groove 412. The hoisting equipment drives the plug rod 41 to return. Since the locking tongue 411 connects the lower inclined surface slider 42 and the upper inclined surface slider 47, the inclined surface of the upper inclined surface slider 47 is compressed by the fracturing device connecting cylinder 2, which drives the lower inclined surface slider 42 to move inward together, so that the entire plug mechanism 4 can be pulled out. After the blasting is completed, the fracturing device body 1 can be pulled out by the rope reserved in the fracturing device body 1.

[0028] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A pusher / puller rod for a fracturing device, characterized in that: The device includes a fracturing device connecting cylinder (2) and an equipment connecting column (3). The fracturing device connecting cylinder (2) has a plug-in structure socket. The equipment connecting column (3) is equipped with a plug mechanism (4). The plug mechanism (4) includes a plug rod (41). A lower inclined slider (42) is provided inside the internal cavity of the plug rod (41). The lower inclined slider (42) is connected to a partition (45) in the middle of the cavity of the plug rod (41) via a spring (46). 42) An upper inclined slider (47) is provided on one side. The upper inclined slider (47) is connected to a pushing block (49) via a connecting rod (48). A pushing rod (410) is provided on the lower side of the pushing block (49). The pushing rod (410) moves upward and pushes the pushing block (49), causing the upper inclined slider (47) to move outward. A locking tongue (411) is provided on the lower inclined slider (42), and a locking tongue groove (412) is provided on the upper inclined slider (47).

2. The pusher / puller rod of a fracturing device according to claim 1, characterized in that: The push-in blocks (49) are connected by tension springs.

3. The pusher / puller rod of a fracturing device according to claim 1, characterized in that: The locking tongue groove (412) passes through the upper inclined slider (47).

4. The pusher / puller rod of a fracturing device according to claim 1, characterized in that: Rollers (43) are provided on both sides of the lower inclined slider (42), and roller grooves (44) are provided inside the plug rod (41), with the rollers (43) located in the roller grooves (44).

5. The pusher / puller rod of a fracturing device according to claim 1, characterized in that: The fracturing device connecting cylinder (2) has a threaded interface at one end and a plug-in structure socket at the other end, and the diameter of the plug-in structure socket is smaller than the inner cavity diameter.

6. The push-pull rod of a fracturing device according to claim 5, characterized in that: The insertion end of the connector of the fracturing device connecting cylinder (2) is recessed inward.

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