Vehicle-mounted petroleum drilling rig derrick horizontal placement anti-falling lifeline
By installing three sets of safety steel rope positioning mechanisms on the derrick of the vehicle-mounted oil drilling rig, the problem of lack of protection during high-altitude operations was solved, achieving efficient safety rope fixing and rapid loading and unloading, thus improving operational safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING JINGU TECH
- Filing Date
- 2025-07-09
- Publication Date
- 2026-06-16
AI Technical Summary
Existing vehicle-mounted oil drilling rigs lack effective safety measures when operating at heights, resulting in a high risk of worker falls and seriously threatening their lives.
A vehicle-mounted oil drilling rig derrick horizontal fall prevention lifeline was designed, comprising three sets of identical safety steel rope positioning mechanisms, consisting of a fixed base, uprights, and safety steel rope positioning lugs. It uses pins, bolts, or threads for easy installation and removal, is suitable for different derrick bases, and ensures rapid fixing and quick installation of the safety rope.
It improves the safety of using vehicle-mounted oil drilling rigs, has a simple structure, is easy to load and unload, is suitable for secondary use, and effectively prevents workers from falling.
Smart Images

Figure CN224363894U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of high-altitude safety protection technology, and provides a vehicle-mounted oil drilling rig derrick horizontally laid anti-fall lifeline with simple structure, convenient loading and unloading, good for secondary use and improved safety. Background Technology
[0002] Currently, vehicle-mounted oil drilling rigs are required for field operations such as oil drilling, geological exploration, and sample collection. Before or after these operations, workers need to perform maintenance on the vehicle's operating platform. Existing vehicle-mounted oil drilling rigs have the rig itself positioned on the platform, which is 5 meters above the ground. Workers must perform maintenance at this height without any safety measures in place. A fall could result in a serious accident, severely threatening the lives of the workers and indicating a low level of safety. Utility Model Content
[0003] In view of this, the purpose of this utility model is to provide a vehicle-mounted oil drilling rig derrick horizontally laid anti-fall lifeline that is simple in structure, easy to load and unload, conducive to secondary use, and improves the safety of use.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] This utility model provides a vehicle-mounted oil drilling rig derrick horizontally laid anti-fall lifeline, which includes three sets of safety steel rope positioning mechanisms for fixing on the derrick base, and the three safety steel rope positioning mechanisms have the same structure;
[0006] The safety steel rope positioning mechanism includes a fixed base, a base insert fixed to the top plate of the fixed base, a vertical rod fixedly connected to the base insert, and a safety steel rope positioning ear fixed to the top of the vertical rod.
[0007] The safety rope positioning ear on the leftmost safety rope positioning mechanism of the three sets of safety rope positioning mechanisms is fixedly connected to one end of the safety rope. The other end of the safety rope passes through the safety rope positioning ear on the middle safety rope positioning mechanism of the three sets of safety rope positioning mechanisms and is then fixedly connected to the safety rope positioning ear on the rightmost safety rope positioning mechanism of the three sets of safety rope positioning mechanisms.
[0008] In use, the fixed base is fixed on the derrick base.
[0009] To facilitate the transfer of the uprights and base inserts, and to enable their rapid loading and unloading, the above solution further includes the following: the uprights and base inserts are connected by pins, bolts, or threads.
[0010] To ensure the load-bearing capacity of the base insert, the above solution further includes: a reinforcing rib is provided between the base insert and the fixed base.
[0011] To facilitate the fixed connection between the fixed base and the derrick base, the above solution further includes: the fixed base is a channel steel, the through groove of which matches the shape of the derrick base, and the channel steel is fixed to the derrick base as a whole by bolts.
[0012] In order to avoid drilling on the derrick base and to achieve rapid assembly of the fixed base and the derrick base, the above solution further includes: the fixed base is a channel steel with a wing plate, the through groove of the channel steel matches the shape of the derrick base, and a positioning plate is provided below the channel steel, which is fixedly connected to the wing plate by bolt a.
[0013] To ensure that the fixed base is applicable to derrick bases of different widths, the above solution further includes: a positioning slot plate integrally formed with the fixed base is fixed on one side of the bottom plate surface, and a movable slot plate is provided at the relative position of the positioning slot plate. The movable slot plate is movably connected in the strip groove, which is located on the fixed base.
[0014] An adjusting screw is threadedly connected to the positioning slot plate, and the end of the adjusting screw is connected to the movable slot plate through a threaded sleeve.
[0015] The through groove on the positioning slot plate and the through groove on the movable slot plate are integrally formed to form a snap-fit groove that connects with the derrick base.
[0016] External force can be used to rotate the adjusting screw, which can pull the movable slot plate to move back and forth in the strip groove to adjust the width of the slot.
[0017] To facilitate easier and less strenuous operation of the adjusting screw, the above solution further includes: an integrated rocker arm handle at the head end of the adjusting screw.
[0018] To facilitate the quick assembly and disassembly of the safety steel rope and the safety steel rope positioning earrings of the safety steel rope positioning mechanism located at both ends, the above scheme further includes: the end of the safety steel rope is fixedly connected to the safety buckle by a steel rope lock buckle, and the safety buckles located at both ends of the safety steel rope are hooked onto the safety steel rope positioning earrings of the safety steel rope positioning mechanism located at both ends of the three sets of safety steel rope positioning mechanisms.
[0019] To facilitate workers in installing safety steel ropes according to actual needs, the above scheme further includes: each set of safety steel rope positioning mechanisms has two safety steel rope positioning lugs, which are staggered and vertically arranged on the top of the pole.
[0020] To ensure that the safety buckle passes through the inner cavity of the safety rope positioning ear of the safety rope positioning mechanism located in the middle position during the loading and unloading of the safety rope, the above scheme further includes: the inner cavity of the safety rope positioning ear of the safety rope positioning mechanism located in the middle position among the three sets of safety rope positioning mechanisms is rectangular, or the inner cavity of the safety rope positioning ear of the safety rope positioning mechanism located in the middle position is larger than the inner cavity of the safety rope positioning ear of the safety rope positioning mechanism located at both ends.
[0021] The advantages of this utility model are: simple structure, convenient loading and unloading, easy to reuse, and improved safety in use.
[0022] Other advantages, objectives, and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination and study, or may be learned from practice of this invention. The objectives and other advantages of this invention can be realized and obtained through the following description. Attached Figure Description
[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the preferred embodiments of this utility model will be described in detail below with reference to the accompanying drawings, wherein:
[0024] Figure 1 This is a schematic diagram of the structure of this utility model;
[0025] Figure 2 This is a schematic diagram of one embodiment of the safety steel rope positioning mechanism of this utility model;
[0026] Figure 3 This is a schematic diagram of another embodiment of the safety steel rope positioning mechanism of this utility model;
[0027] Figure 4 for Figure 3 A cross-sectional view of the structure from another direction;
[0028] Figure 5 for Figure 3 Top view of the fixed base;
[0029] Figure 6 This is a schematic diagram of the structure of the safety steel rope positioning earring on the safety steel rope positioning mechanism located in the middle position of this utility model.
[0030] Figure 7 This is a schematic diagram showing the connection between the safety steel rope of this utility model and the safety steel rope positioning ear on the safety steel rope positioning mechanism located at the end position.
[0031] Reference numerals in the attached drawings: 1. Derrick base; 2. Safety rope positioning mechanism; 3. Fixed base; 4. Base insert; 5. Upright pole; 6. Safety rope positioning lug; 7. Safety rope; 8. Reinforcing rib plate; 9. Wing plate; 10. Positioning plate; 11. Bolt a; 12. Positioning slot plate; 13. Movable slot plate; 14. Strip groove; 15. Adjusting screw; 16. Snap-fit groove; 17. Rocker arm handle; 18. Rope lock; 19. Safety buckle; 20. Limit pin; 21. Anti-slip pad. Detailed Implementation
[0032] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable that some well-known structures and their descriptions may be omitted in the drawings for those skilled in the art. The illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. Where there is no conflict, the following embodiments and features can be combined with each other.
[0033] Furthermore, the reference numbers and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or settings discussed.
[0034] like Figures 1 to 7 As shown, the vehicle-mounted oil drilling rig derrick horizontal anti-fall lifeline of this utility model includes three sets of safety steel rope positioning mechanisms 2 for fixing on the derrick base 1, and the three sets of safety steel rope positioning mechanisms 2 have the same structure.
[0035] The safety steel rope positioning mechanism 2 includes a fixed base 3, a base insert 4 fixed on the top plate surface of the fixed base 3, a vertical rod 5 fixedly connected to the base insert 4, and a safety steel rope positioning earring 6 fixed to the top of the vertical rod 5.
[0036] The safety rope positioning ear 6 on the leftmost safety rope positioning mechanism 2 of the three sets of safety rope positioning mechanisms 2 is fixedly connected to one end of the safety rope 7. The other end of the safety rope 7 passes through the safety rope positioning ear 6 on the safety rope positioning mechanism 2 located in the middle position of the three sets of safety rope positioning mechanisms 2 and is then fixedly connected to the safety rope positioning ear 6 on the rightmost safety rope positioning mechanism 2 of the three sets of safety rope positioning mechanisms 2.
[0037] In use, the fixing base 3 is fixed to the derrick base 1. In this embodiment, the derrick base 1 is a rectangular tube, angle steel, or channel steel. In specific implementations, the shape of the fixing base 3 can be adaptively changed according to the specific structure of the derrick base 1, as long as the fixing base 3 can be easily installed and removed from the derrick base 1.
[0038] To facilitate the transfer of the upright pole 5 and the base insert 4, and to enable their rapid loading and unloading, in the above embodiment, preferably, the upright pole 5 and the base insert 4 are connected by a pin, bolt, or thread. In this embodiment, the base insert 4 is provided with a notch for the upright pole 5 to be laid upside down. This notch is not shown in the accompanying drawings. The notch facilitates the transport of the upright pole 5 and the base insert 4 without separation and without occupying a large transport space.
[0039] To ensure the load-bearing capacity of the base insert 4, in the above embodiment, preferably, a reinforcing rib plate 8 is provided between the base insert 4 and the fixed base 3. In this embodiment, there are 2 to 6 reinforcing rib plates 8, evenly distributed around the base insert 4, and they are welded together with the base insert 4 and the fixed base 3.
[0040] To facilitate the fixed connection between the fixed base 3 and the derrick base 1, in the above embodiment, preferably, the fixed base 3 is a channel steel, the through groove of which matches the shape of the derrick base 1, and the channel steel is fixed to the derrick base 1 as a whole by bolts. In this embodiment, without affecting the function of the derrick base 1, the channel steel and the derrick base 1 can also be fixed by welding.
[0041] In order to avoid drilling on the derrick base 1 and to achieve quick assembly of the fixed base 3 and the derrick base 1, in the above embodiment, preferably: the fixed base 3 is a channel steel with a wing plate 9, the through groove of the channel steel matches the shape of the derrick base 1, and a positioning plate 10 is provided below the channel steel. The positioning plate 10 and the wing plate 9 are fixedly connected as one piece by bolts a11.
[0042] To ensure that the fixed base 3 is applicable to derrick bases 1 of different widths, in the above embodiment, preferably: a positioning slot plate 12 integrally formed with the fixed base 3 is fixed on one side of the bottom plate surface, and a movable slot plate 13 is provided at the opposite position of the positioning slot plate 12. The movable slot plate 13 is movably connected in the strip groove 14, which is located on the fixed base 3.
[0043] An adjusting screw 15 is threadedly connected to the positioning slot plate 12, and the end of the adjusting screw 15 is connected to the movable slot plate 13 through a threaded sleeve.
[0044] The through groove on the positioning slot plate 12 and the through groove on the movable slot plate 13 are integrally formed to form a snap-fit groove 16 that connects with the derrick base 1.
[0045] External force can rotate the adjusting screw 15 to pull the movable slot plate 13 back and forth in the strip groove 14 to adjust the width of the slot 16.
[0046] To facilitate easier and less strenuous operation of the adjusting screw 15, in the above embodiment, preferably, the head end of the adjusting screw 15 is provided with an integral rocker handle 17.
[0047] To facilitate the quick assembly and disassembly of the safety steel rope 7 and the safety steel rope positioning earrings 6 of the safety steel rope positioning mechanism 2 located at both ends, in the above embodiment, preferably: the end of the safety steel rope 7 is fixedly connected to the safety buckle 19 by the steel rope lock buckle 18, and the safety buckle 19 located at both ends of the safety steel rope 7 is hooked onto the safety steel rope positioning earrings 6 of the safety steel rope positioning mechanism 2 located at both ends of the three sets of safety steel rope positioning mechanisms 2.
[0048] To facilitate workers in installing the safety steel rope 7 according to actual needs, in the above embodiment, preferably, each set of safety steel rope positioning mechanism 2 has two safety steel rope positioning earrings 6, which are staggered and vertically arranged on the top of the upright 5.
[0049] To ensure that the safety buckle 19 passes through the inner cavity of the safety rope positioning ear 6 of the safety rope positioning mechanism 2 located in the middle position during the loading and unloading of the safety rope 7, in the above embodiment, preferably, the inner cavity of the safety rope positioning ear 6 of the safety rope positioning mechanism 2 located in the middle position among the three sets of safety rope positioning mechanisms 2 is rectangular, or the inner cavity of the safety rope positioning ear 6 of the safety rope positioning mechanism 2 located in the middle position is larger than the inner cavity of the safety rope positioning ear 6 of the safety rope positioning mechanism 2 located at both ends.
[0050] In the above embodiments, all components are commercially available products.
[0051] The usage process of the structure described in the above scheme is as follows: After fixing the structure to the derrick base 1, the worker fastens a safety rope, and the safety buckle at the end of the safety rope is suspended from the safety steel rope 7, allowing for maintenance work to proceed. Even in the event of a fall, the safety rope provides protection, maximizing worker safety and effectively improving operational safety.
[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of this technical solution, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A vehicular oil drilling rig derrick laying anti-falling lifeline, characterized in that: Including three sets of safety steel wire positioning mechanism (2) for fixing on the derrick base (1), the three sets of safety steel wire positioning mechanism (2) are identical in structure; The safety steel wire positioning mechanism (2) comprises a fixed base (3), a base insertion sleeve (4) fixed on the top plate surface of the fixed base (3), a vertical rod (5) fixedly connected to the base insertion sleeve (4), and a safety steel wire positioning ear ring (6) fixed to the top of the vertical rod (5); One end of the safety steel wire positioning ear ring (6) on the leftmost safety steel wire positioning mechanism (2) in the three sets of safety steel wire positioning mechanism (2) is fixedly connected with a safety steel wire (7), and the other end of the safety steel wire (7) is fixedly connected with the safety steel wire positioning ear ring (6) on the rightmost safety steel wire positioning mechanism (2) in the three sets of safety steel wire positioning mechanism (2) after passing through the safety steel wire positioning ear ring (6) on the safety steel wire positioning mechanism (2) located at the middle position in the three sets of safety steel wire positioning mechanism (2). In use, the fixed base (3) is fixed on the derrick base (1).
2. The on-board petroleum drilling rig derrick laying anti-falling lifeline according to claim 1, characterized in that: The vertical rod (5) and the base insertion sleeve (4) are connected by a pin shaft, a bolt or a thread.
3. The fall arrest lifeline for a land-based oil rig derrick laydown according to claim 1 or 2, characterized in that: A reinforcing rib plate (8) is arranged between the base insertion sleeve (4) and the fixed base (3).
4. The on-board petroleum drilling rig derrick laying anti-falling lifeline according to claim 1, characterized in that: The fixed base (3) is a channel steel, the through groove of the channel steel is matched with the outer shape of the derrick base (1), and the channel steel is fixedly connected with the derrick base (1) by bolts.
5. The on-board petroleum drilling rig derrick laying anti-falling lifeline according to claim 1, characterized in that: The fixed base (3) is a channel steel with a wing plate (9), the through groove of the channel steel is matched with the outer shape of the derrick base (1), a positioning plate (10) is arranged below the channel steel, and the positioning plate (10) is fixedly connected with the wing plate (9) by bolts a (11).
6. The on-location oil rig derrick mat fall arrest lifeline of claim 1, wherein: One side of the bottom plate surface of the fixed base (3) is fixedly provided with a positioning clamping groove plate (12) integrated therewith, an active clamping groove plate (13) is arranged at the opposite position of the positioning clamping groove plate (12), the active clamping groove plate (13) is movably connected in a strip-shaped groove (14) on the fixed base (3); A threaded sleeve is arranged on the end of the adjusting screw rod (15), and the threaded sleeve is connected with the active clamping groove plate (13). The through groove on the positioning clamping groove plate (12) and the through groove on the active clamping groove plate (13) are integrally formed into a clamping groove (16) for butt joint with the derrick base (1). The active clamping groove plate (13) can be moved back and forth in the strip-shaped groove (14) to adjust the groove width of the clamping groove (16) by rotating the adjusting screw rod (15) by external force.
7. The fall arrest lifeline for a land-based oil rig derrick laydown according to claim 6, wherein: A rocker handle (17) is arranged at the head end of the adjusting screw rod (15).
8. The on-location oil rig derrick mat fall arrest lifeline of claim 1, wherein: The end of the safety steel wire (7) is fixedly connected with a safety buckle (19) by a steel wire lock (18), and the safety buckles (19) located at the two ends of the safety steel wire (7) are hung on the safety steel wire positioning ear rings (6) of the safety steel wire positioning mechanisms (2) located at the two ends in the three sets of safety steel wire positioning mechanisms (2).
9. The fall arrest lifeline for flatbacking a mast of a mobile offshore drilling unit as defined in claim 1 or 8, wherein: The safety steel rope positioning ear rings (6) of each set of safety steel rope positioning mechanism (2) are two, which are arranged vertically on the top of the vertical rod (5) in staggered positions.
10. The fall arrest lifeline for flat decking a mast of a mobile offshore drilling unit according to claim 1 or 8, characterized in that: The inner cavity of the safety steel rope positioning ear ring (6) of the safety steel rope positioning mechanism (2) located at the middle position in the three sets of safety steel rope positioning mechanisms (2) is rectangular, or the inner cavity of the safety steel rope positioning ear ring (6) of the safety steel rope positioning mechanism (2) located at the middle position is larger than that of the safety steel rope positioning ear ring (6) of the safety steel rope positioning mechanism (2) located at the two end positions.