Telescopic drilling derrick ladder stand protecting net

Abstract

The utility model discloses a telescopic drilling derrick ladder stand protecting net which comprises a side frame, and a gripper is attached to the interior of the side frame. The outer ends of the side frames are connected with protective net bodies through bearings, the protective net bodies are arranged on the side frames at equal intervals, the protective net bodies are connected through iron chains, the iron chains are welded to the top ends of the protective net bodies, and the side edges of the protective net bodies are connected with connecting frames through bearings; a protruding block is arranged at the inner end of the connecting frame in a sliding mode, the inner end of the protruding block is semicircular, a first spring is connected to the outer end of the protruding block, and the outer end of the first spring is connected to the interior of the connecting frame. According to the telescopic drilling derrick ladder stand protection net, the iron chain is installed, the protection net body is driven to rotate on the side frame through movement of the iron chain, then the protection net body can be stored in the side frame, movement is convenient, and the occupied space is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field, in particular to a telescopic drilling derrick ladder guard net. Background Art

[0002] The derrick ladder guard net provides a safe barrier for workers working on the derrick. If a worker accidentally slips while climbing or working, the guard net can prevent them from falling directly to the ground, thus ensuring the worker's life safety.

[0003] Reference publication number CN219910603U discloses a ladder for use in safety engineering projects. The "F"-shaped design of the guard net reduces its weight and minimizes its load-bearing area, thereby reducing pressure from the cage and wind, thereby improving the cage's stability. Furthermore, the guard net and cage frame can be quickly assembled and disassembled, shortening the installation period. The guard frame creates an effective safety framework between the ladders, further enhancing the safety of the device. This device boasts a reasonable design, simple structure, ease of assembly and disassembly, high safety, and strong practicality, making it suitable for large-scale deployment. However, the following issues remain:

[0004] In actual use of the above device, although the guard net body can be quickly disassembled and assembled, it is inconvenient to move due to the large size of the ladder. In addition, due to the size problem, it occupies a lot of space and is inconvenient to use.

[0005] Therefore, we have proposed a telescopic drilling derrick ladder guard net that can well solve the above problems. Utility Model Content

[0006] The purpose of the present utility model is to provide a telescopic drilling derrick ladder guard net to solve the problem raised in the above background technology that the ladders on the current market are large in size and inconvenient to move, and because of the size problem, they occupy more space and are inconvenient to use.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: a telescopic drilling derrick ladder guard net, comprising a side frame, wherein a grip is fitted inside the side frame;

[0008] Also includes:

[0009] The outer end of the side frame is connected to the guard net body through a bearing, and the guard net body is arranged on the side frame at equal intervals, and the guard net bodies are connected to each other by an iron chain, the iron chain is welded to the top of the guard net body, and the side of the guard net body is connected to the connecting frame through a bearing.

[0010] Preferably, a protrusion is slidably provided at the inner end of the connecting frame, and the inner end of the protrusion is semicircular, and the outer end of the protrusion is connected to a first spring, and the outer end of the first spring is connected to the inside of the connecting frame.

[0011] Preferably, a groove is provided at the outer end of the top of the side frame, and the groove can form a snap-fit ​​mechanism with the protrusion.

[0012] Preferably, the outer end of the gripper extends into the engaging limit block, and the outer end of the limit block extends into the interior of the side frame to form a sliding mechanism, and the outer end of the limit block is connected to a second spring, and the outer end of the second spring is connected to the interior of the side frame.

[0013] Preferably, the outer end of the limit block is connected to a pull rope, and the outer end of the pull rope is wrapped around the winding roller, and the middle part of the winding roller is rotated inside the side frame through the ball, and the ball is arranged at equal angles on the outside of the winding roller, and the outer end of the ball is arranged to fit the inside of the side frame.

[0014] Preferably, a scroll rod is connected to the interior of the winding roller through the scroll, and the scroll rod slides inside the side frame, and the top of the scroll rod is connected to a handle through a bearing.

[0015] Preferably, the handle is accommodated inside the side frame, and a slider is fixed to the outer end of the bottom of the handle, and the outer end of the slider extends into the interior of the slide groove to form a locking mechanism, and the slide groove is opened inside the side frame.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the telescopic drilling derrick ladder guard net is easy to use and has a longer service life. The movement of the iron chain can drive the guard net body to be stored, thereby facilitating the movement of the ladder, and the movement of the limit block allows the grab handle to be replaced, thereby increasing the service life. The specific contents are as follows:

[0017] An iron chain is provided, and the movement of the iron chain drives the guard net body to rotate on the side frame, so that the guard net body can be stored inside the side frame, which makes it easy to move and reduces the space occupied;

[0018] A limit block is provided, and the rotation of the winding roller drives the pull rope to be wound, so that the pull rope drives the limit block to move, and then the limit block is separated from the limit of the gripper, so that the gripper can be disassembled and replaced separately, thereby increasing the service life;

[0019] A protrusion is provided, and the protrusion slides through the inner end of the connecting frame, and the inner end of the protrusion is set in a semicircular shape, and the outer end of the protrusion is connected to a first spring, and the outer end of the first spring is connected to the inside of the connecting frame, thereby enabling the protrusion to improve the stability of the guard net body after it is stored;

[0020] A first spring is provided, and a protrusion is slid through the inner end of the connecting frame, and the inner end of the protrusion is semicircular, and the outer end of the protrusion is connected to the first spring, and the outer end of the first spring is connected to the inside of the connecting frame. Then, the protrusion can be limited by the first spring, thereby improving the stability of the protrusion;

[0021] A slider is provided, which is accommodated inside the side frame through a turning handle, and the slider is fixed to the outer end of the bottom of the turning handle, and the outer end of the slider extends into the interior of the slide groove to form a locking mechanism. The slide groove is opened inside the side frame, which can improve the stability of the turning handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the front cross-section structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the bottom cross-section structure of the protrusion of the utility model;

[0025] Figure 4 For this utility model Figure 2 A in the middle is an enlarged structural diagram;

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the winding roller of the utility model;

[0027] Figure 6 This is a schematic diagram of the front cross-section structure of the slider of the utility model;

[0028] Figure 7 This is a schematic diagram of the top-sectional structure of the slider of the utility model.

[0029] In the figure: 1. Side frame; 2. Grab; 3. Guard net body; 4. Connecting frame; 5. Iron chain; 6. Bump; 7. First spring; 8. Groove; 9. Limit block; 10. Second spring; 11. Pull rope; 12. Winding roller; 13. Ball; 14. Vortex rod; 15. Turning handle; 16. Slider; 17. Slide groove. DETAILED DESCRIPTION

[0030] 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. Example

[0031] The utility model solves the problem that the existing ladder is large in size and inconvenient to move, and the problem that the size of the ladder occupies more space and is inconvenient to use, by moving the iron chain 5 to drive the guard net body 3 to be stored, thereby avoiding occupying space.

[0032] A side frame 1, with a gripper 2 fitted inside the side frame 1; further comprising: a protective net body 3 connected to the outer end of the side frame 1 through a bearing, and the protective net body 3 is arranged on the side frame 1 at equal intervals, and the protective net bodies 3 are connected by an iron chain 5, the iron chain 5 is welded to the top of the protective net body 3, and the side of the protective net body 3 is connected to a connecting frame 4 through a bearing, a protrusion 6 is slidably provided at the inner end of the connecting frame 4, and the inner end of the protrusion 6 is semicircular, and the outer end of the protrusion 6 is connected to a first spring 7, the outer end of the first spring 7 is connected to the inside of the connecting frame 4, a groove 8 is provided at the outer end of the top of the side frame 1, and the groove 8 can form a snap-fit ​​mechanism with the protrusion 6;

[0033] refer to Figures 1 to 3 , by pulling the iron chain 5, the iron chain 5 moves and drives the guard net body 3 to rotate on the side frame 1, and then the guard net body 3 rotates and drives the connecting frame 4 to move, and then the guard net body 3 can be stored on the side frame 1, thereby reducing the occupied space and facilitating subsequent movement. The connection frame 4 moves and drives the protrusion 6 to move, so that the protrusion 6 moves and is squeezed with the outer wall of the side frame 1, and then the protrusion 6 moves toward the inside of the connecting frame 4, so that the protrusion 6 moves and squeezes the first spring 7, and then the first spring 7 is compressed by force. After the guard net body 3 is rotated to the position, the first spring 7 pushes the protrusion 6 to extend into the inside of the groove 8 to form a snap fit, and then the guard net body 3 can be stably attached to the side frame 1, thereby improving the stability of the guard net body 3 after storage; Example

[0034] The utility model solves the problem that the grip 2 of the existing ladder will bend and deform due to long-term use, which will reduce the service life. By moving the limit block 9, the grip 2 can be replaced separately, thereby extending the service life.

[0035] The outer end of the gripper 2 extends into the engaging limit block 9, and the outer end of the limit block 9 extends into the interior of the side frame 1 to form a sliding mechanism, and the outer end of the limit block 9 is connected to the second spring 10, the outer end of the second spring 10 is connected to the inside of the side frame 1, the outer end of the limit block 9 is connected to the pull rope 11, and the outer end of the pull rope 11 is wound around the winding roller 12, and the middle part of the winding roller 12 rotates inside the side frame 1 through the ball 13, the ball 13 is arranged at equal angles on the outside of the winding roller 12, and the outer end of the ball 13 is fitted with the inside of the side frame 1, the interior of the winding roller 12 is connected to a vortex rod 14 through the vortex, and the vortex rod 14 slides inside the side frame 1, and the top of the vortex rod 14 is connected to a rotating hand 15 through a bearing;

[0036] refer to Figure 2 、 Figure 4 and Figure 5 , pull the handle 15, so that the handle 15 moves and drives the vortex rod 14 to move, and then the vortex rod 14 moves and drives the winding roller 12 to rotate, and then the winding roller 12 can rotate inside the side frame 1 through the ball 13, and then the winding roller 12 rotates to reel the pull rope 11, and the movement of the pull rope 11 drives the limit block 9 to move, and then the limit block 9 will move toward the inside of the side frame 1, and the movement of the limit block 9 will squeeze the second spring 10, so that the second spring 10 is compressed, and then the limit block 9 is disengaged from the gripper 2, and then the damaged and bent gripper 2 can be detached from the side frame 1, and through the reverse operation, the gripper 2 can be fixed on the side frame 1, thereby achieving the purpose of replacing the gripper 2, and then improving the service life of the telescopic drilling derrick ladder; Example

[0037] The present invention solves the problem of unstable connection between the scroll rod 14 and the winding roller 12 in the second embodiment. The engagement between the slider 16 and the chute 17 can improve the stability of the connection between the scroll rod 14 and the winding roller 12.

[0038] The handle 15 is housed inside the side frame 1, and a slider 16 is fixed to the outer end of the bottom of the handle 15, and the outer end of the slider 16 extends into the interior of the slide groove 17 to form a locking mechanism. The slide groove 17 is opened inside the side frame 1;

[0039] refer to Figure 2 、 Figure 4 、 Figure 6 and Figure 7By rotating the handle 15, the handle 15 rotates and drives the slider 16 to rotate, and then the slider 16 rotates and slides inside the slide groove 17. After the handle 15 is rotated to the position, the slider 16 is disengaged from the slide groove 17, and then the handle 15 can be pulled to drive the vortex rod 14 to move, and by reversing the above operation, the handle 15 can be fixed inside the side frame 1, thereby avoiding the shaking of the vortex rod 14 and improving the stability of the connection.

[0040] Working principle: When using this telescopic drilling derrick ladder guard net, first, refer to Figures 1 to 3 , by pulling the iron chain 5, the iron chain 5 is moved to drive the protective net body 3 to rotate on the side frame 1, and then the protective net body 3 is rotated to drive the connecting frame 4 to move, so that the protective net body 3 can be stored on the side frame 1, and it is also convenient for subsequent movement. The connection frame 4 moves and drives the protrusion 6 to move, and then the protrusion 6 moves toward the inside of the connecting frame 4, so that the movement of the protrusion 6 will squeeze the first spring 7. After the protective net body 3 is rotated to the position, the first spring 7 pushes the protrusion 6 to extend into the inside of the groove 8 to form a snap fit, and then the protective net body 3 can be stably attached to the side frame 1, thereby improving the stability of the protective net body 3 after storage;

[0041] refer to Figure 2 、 Figure 4 and Figure 5 , pull the handle 15, so that the handle 15 moves and drives the vortex rod 14 to move, and then the winding roller 12 can rotate inside the side frame 1 through the ball 13, and then the winding roller 12 rotates to reel the pull rope 11, and the movement of the pull rope 11 drives the limit block 9 to move, and the movement of the limit block 9 will squeeze the second spring 10, and then the limit block 9 is disengaged from the gripper 2, and then the damaged and bent gripper 2 can be detached from the side frame 1, and through the reverse operation, the gripper 2 can be fixed on the side frame 1, thereby achieving the purpose of replacing the gripper 2, and then improving the service life of the telescopic drilling derrick ladder;

[0042] refer to Figure 2 、 Figure 4 、 Figure 6 and Figure 7 By rotating the handle 15, the handle 15 rotates and drives the slider 16 to rotate. After the handle 15 is rotated to the position, the slider 16 is disengaged from the sliding groove 17, and by reversing the above operation, the handle 15 can be fixed inside the side frame 1, thereby avoiding the shaking of the vortex rod 14 and improving the stability of the connection.

[0043] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0044] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A telescopic drilling derrick ladder guard net, comprising a side frame (1), wherein a gripper (2) is fitted inside the side frame (1); It is characterized in that Also includes: The outer ends of the side frames (1) are connected to the guard net bodies (3) via bearings, and the guard net bodies (3) are arranged on the side frames (1) at equal intervals, and the guard net bodies (3) are connected to each other via iron chains (5), the iron chains (5) are welded to the top ends of the guard net bodies (3), and the sides of the guard net bodies (3) are connected to the connecting frames (4) via bearings.

2. The telescopic drilling derrick ladder guard net according to claim 1, characterized in that: A protrusion (6) is slidably provided at the inner end of the connecting frame (4), and the inner end of the protrusion (6) is arranged in a semicircular shape, and the outer end of the protrusion (6) is connected to a first spring (7), and the outer end of the first spring (7) is connected to the interior of the connecting frame (4).

3. The telescopic drilling derrick ladder guard net according to claim 1, characterized in that: A groove (8) is provided at the outer end of the top of the side frame (1), and the groove (8) can form a snap-fit ​​mechanism with the protrusion (6).

4. The telescopic drilling derrick ladder guard net according to claim 1, characterized in that: The outer end of the gripper (2) extends into the engaging limit block (9), and the outer end of the limit block (9) extends into the interior of the side frame (1) to form a sliding mechanism, and the outer end of the limit block (9) is connected to a second spring (10), and the outer end of the second spring (10) is connected to the interior of the side frame (1).

5. The telescopic drilling derrick ladder guard net according to claim 4, characterized in that: The outer end of the limit block (9) is connected to a drawstring (11), and the outer end of the drawstring (11) is wound around a winding roller (12), and the middle of the winding roller (12) is rotated inside the side frame (1) through a ball (13), and the ball (13) is arranged at an equal angle outside the winding roller (12), and the outer end of the ball (13) is arranged to fit the inside of the side frame (1).

6. The telescopic drilling derrick ladder guard net according to claim 5, characterized in that: A vortex rod (14) is connected to the interior of the winding roller (12) through a vortex, and the vortex rod (14) slides inside the side frame (1), and the top of the vortex rod (14) is connected to a handle (15) via a bearing.

7. The telescopic drilling derrick ladder guard net according to claim 6, characterized in that: The handle (15) is accommodated inside the side frame (1), and a slider (16) is fixed to the outer end of the bottom of the handle (15), and the outer end of the slider (16) extends into the interior of the slide groove (17) to form a locking mechanism, and the slide groove (17) is opened inside the side frame (1).

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