Safe suspension device for petroleum drilling

Abstract

The utility model relates to the technical field of drilling suspension, in particular to a safe suspension device for petroleum drilling, which comprises a base and a transportation mechanism used for high-altitude transportation of workers, the transportation mechanism is positioned above the base, and a protective net is mounted between a lower mounting plate and an upper mounting plate. An anti-swing structure used for reducing deflection of the device in the moving process is arranged below the base. The device has the beneficial effects that when the transportation mechanism transports and transfers workers, the device possibly deflects in the air, then the gravity center of the device is transferred to the center of the bottom end of the device through the anti-swing structure, the gravity center of the device is adjusted in a self-adaptive mode at any time, the phenomenon that the device excessively deflects in the moving process is reduced, and the service life of the device is prolonged. And therefore, the use safety of the device is improved, the stability of the device during movement is improved, and the occurrence probability of safety accidents is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to drilling suspension technical field, especially a kind of safety suspension device for petroleum drilling. BACKGROUND

[0002] Petroleum drilling engineering is the system engineering using petroleum drilling equipment to drill through multiple strata to reach the intended purpose layer from ground along the design track, form the stable passage of oil and gas production or injection fluid required, and complete coring, logging, well logging and testing work during drilling process and after drilling, obtain the information required for exploration, development and drilling, in the process of petroleum drilling, staff need to move to drilling platform, so that certain transport device is needed to transport staff, so safety suspension device needs to be used.

[0003] By comparing the patent announcement No.CN222478667U, a kind of safety suspension device for petroleum drilling, in this scheme, pull limit rod, so that limit rod is separated from limit hole, then rotate fixed disc, to drive screw rod and surround rod to rotate, and then make screw rod separate from screw hole, then pull fixed disc upwards, make surround rod and groove separate from adaptation, make screw rod and surround rod pull out from screw hole, so that staff can quickly disassemble and replace damaged surround rod, however, when device transports staff to drilling platform, device will appear to yaw when moving in the air, reduce the stability when device moves, may appear safety accident, increase the risk of device use. UTILITY MODEL CONTENT

[0004] The utility model aims at solving above-mentioned problem and provides a kind of safety suspension device for petroleum drilling.

[0005] The utility model realizes the above-mentioned purpose by the following technical scheme:

[0006] A kind of safety suspension device for petroleum drilling, including base, further include the transport mechanism for the high-altitude transport of staff, transport mechanism is located above base;

[0007] Transport mechanism includes the top plate of being set above base, fixedly connected with fixed rod between top plate and base center, fixed rod is hollow, the hanger ring is fixed on the upper end of fixed rod, the fixed connection of multiple surround rods between the periphery between base and top plate, slide groove is set in surround rod interior, lifting plate is slidably installed in slide groove interior, fixed with upper mounting plate between adjacent two lifting plates, lower mounting plate is located below upper mounting plate, lower mounting plate is fixed with the bottom end of surround rod, protective net is installed between lower mounting plate and upper mounting plate, the anti-swing structure for reducing the yaw of device when moving is equipped below base.

[0008] Preferably, the anti-swing structure comprises a counterweight slidingly arranged at the lower end of the base, a plurality of receiving grooves are arranged around the bottom end of the base, a mounting rod is fixed at the inner side of the receiving groove away from the counterweight, a connecting rope is fixedly connected between the mounting rod and the counterweight, and a driving structure for opening the protective net upwards is arranged between the counterweight and the protective net.

[0009] Preferably, the driving structure comprises a guide groove arranged on the top plate near the surrounding rod, a guide frame is fixed at the upper end of the guide groove, a guide roller is rotatably arranged on the guide frame, a plurality of connecting frames are fixed around the upper side wall of the fixed rod, a steering roller is rotatably arranged on the connecting frame, and a lifting rope is fixedly connected between the upper mounting plate and the counterweight, and the lifting rope passes through the steering roller and the guide roller.

[0010] Preferably, the counterweight plate is arranged on the side wall of the upper mounting plate, and the weight of the counterweight plate is less than the weight of the counterweight.

[0011] Preferably, the inner wall of the sliding groove and the side wall of the lifting plate are smooth surfaces.

[0012] Preferably, the surrounding rod is fixedly connected with the top plate and the base through bolts.

[0013] Preferably, the protective net is made of polyester fiber material.

[0014] Compared with the prior art, the beneficial effects are as follows:

[0015] When the transportation mechanism transports and transfers the staff, the device may deviate in the air, and then the gravity center of the device is shifted to the center of the bottom end of the device through the anti-swing structure, so as to adaptively adjust the gravity center of the device at any time, reduce the phenomenon of excessive deviation of the device in the moving process, improve the safety of the device in use, increase the stability of the device in movement, and reduce the probability of safety accidents. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0017] Figure 1 is a space perspective view of a safety suspension device for oil drilling according to the present application;

[0018] Figure 2 is a structure sectional view of the sliding groove of the safety suspension device for oil drilling according to the present application;

[0019] Figure 3It is the fixed rod internal structure sectional view of the safety suspension device for oil drilling.

[0020] Figure 4 It is the partial structure schematic view of the protective net of the safety suspension device for oil drilling.

[0021] The sign of the reference numeral is as follows:

[0022] 100, base; 201, top plate; 202, fixed rod; 203, lifting ring; 204, surrounding rod; 205, sliding groove; 206, lifting plate; 207, upper mounting plate; 208, counterweight plate; 209, protective net; 210, lower mounting plate; 211, counterweight block; 212, connecting frame; 213, steering roller; 214, guide frame; 215, guide roller; 216, lifting rope; 217, guide groove; 218, connecting rope; 219, storage groove; 220, mounting rod. Specific embodiments

[0023] In the description of the utility model, it needs to explain, unless another explicit stipulation and limitation, the term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can pass through intermediate medium indirectly be connected, can be two element inside the intercommunication, for ordinary skilled in the art, can understand the concrete meaning of the above-mentioned term in the utility model through specific circumstances.

[0024] The utility model is further described below in connection with the drawings:

[0025] As Figures 1-4 Indicated, a kind of safety suspension device for oil drilling, including base 100, further include the transport mechanism for the high-altitude transport of staff, transport mechanism is located above base 100.

[0026] In the embodiment, the transport mechanism comprises a top plate 201 arranged above the base 100, a fixed rod 202 fixedly connected between the center of the base 100 and the top plate 201, the fixed rod 202 being hollow, a lifting ring 203 fixed to the upper end of the fixed rod 202, a plurality of surrounding rods 204 fixedly connected between the periphery of the base 100 and the top plate 201, the surrounding rods 204 being fixedly connected with the base 100 and the top plate 201 through bolts, a sliding groove 205 formed in the interior of each surrounding rod 204, a lifting plate 206 slidingly installed in the sliding groove 205, the inner wall of the sliding groove 205 and the side wall of the lifting plate 206 being smooth surfaces, an upper mounting plate 207 fixed between adjacent two lifting plates 206, a lower mounting plate 210 arranged below the upper mounting plate 207 and fixed with the bottom end of the surrounding rod 204, a protective net 209 installed between the lower mounting plate 210 and the upper mounting plate 207, the protective net 209 being made of polyester fiber, and an anti-swing structure arranged below the base 100 for reducing the swing of the device during movement.

[0027] The anti-swing structure comprises a counterweight 211 slidingly arranged at the lower end of the base 100, a plurality of receiving grooves 219 formed around the bottom end of the base 100, an installation rod 220 fixedly arranged in the receiving groove 219 away from the counterweight 211, a connecting rope 218 fixedly connected between the installation rod 220 and the counterweight 211, and a driving structure arranged between the counterweight 211 and the protective net 209 for opening the protective net 209 upward.

[0028] The driving structure comprises a guide groove 217 formed in the top plate 201 near the surrounding rod 204, a guide frame 214 fixedly arranged at the upper end of the guide groove 217, a guide roller 215 rotatably installed on the guide frame 214, a plurality of connecting frames 212 fixedly arranged around the side wall of the fixed rod 202, a steering roller 213 rotatably installed on the connecting frame 212, a lifting rope 216 fixedly connected between the upper mounting plate 207 and the counterweight 211, the lifting rope 216 passing around the steering roller 213 and the guide roller 215, a counterweight plate 208 installed on the side wall of the upper mounting plate 207, the weight of the counterweight plate 208 being less than the weight of the counterweight 211, the transport mechanism being capable of shifting the center of gravity of the device to the center of the bottom end of the device through the anti-swing structure when transporting and shifting the staff, and being capable of self-adaptively adjusting the center of gravity of the device at any time to reduce the excessive swing of the device during movement, thereby improving the safety of the device in use, increasing the stability of the device during movement, and reducing the probability of safety accidents.

[0029] Working principle: first through the crane device is put on the ground, the staff across the protective net 209 into the base 100 and top plate 201, then the crane device is moved up, the counterweight 211 by its own gravity will quickly fall down, in turn, the hoisting rope 216 down, the hoisting rope 216 pull up the installation plate 207, drive the protective net 209 up, the protective net 209 is opened upward, multiple protective net 209 between the ring to protect the staff from falling accidents.

[0030] The device moves, the counterweight 211 under the base 100 due to its own gravity will be generated enough to shift the center of the device at any time to the center, so that the device as much as possible to maintain the vertical state, reduce the device deflection, thereby improving the safety of the device use, increase the stability of the device when moving, reduce the probability of safety accidents.

[0031] When the device moves to the drilling platform, the counterweight 211 will first contact with the ground, the ground to the counterweight 211 extrusion, so that the counterweight 211 is stored in the base 100 inside, the base 100 bottom surface and the counterweight 211 bottom surface flush, then the plurality of connecting rope 218 is naturally stored in the storage groove 219, then the counterweight 211 lose the pull of the hoisting rope 216, the hoisting rope 216 is in a relaxed state, then the counterweight plate 208 on the sidewall of the upper installation plate 207 will drive the upper installation plate 207 to move down quickly with its own weight, drive the protective net 209 down, fold the protective net 209, then the staff across the protective net 209 moves to the drilling platform above, complete the transfer of staff transport work.

[0032] The above shows and describes the basic principle, main features and advantages of the present application. The skilled person in the art should understand that the present application is not limited to the above examples, the above examples and the description in the specification is only to illustrate the principle of the present application, without departing from the spirit and scope of the present application, the present application will have various changes and improvements, these changes and improvements all fall within the scope of the present application.

Claims

1. A safety hanger for use in oil drilling comprising a base (100) characterised in that: Also include a transport mechanism for high-altitude transport of workers, the transport mechanism is located above the base (100); The transport mechanism comprises a top plate (201) arranged above the base (100), a fixed rod (202) fixedly connected between the center of the base (100) and the top plate (201), the fixed rod (202) is hollow, the upper end of the fixed rod (202) is fixedly connected with a lifting ring (203), a plurality of surrounding rods (204) are fixedly connected between the periphery of the base (100) and the top plate (201), a sliding groove (205) is formed in the surrounding rod (204), a lifting plate (206) is slidably installed in the sliding groove (205), an upper mounting plate (207) is fixedly connected between adjacent two lifting plates (206), a lower mounting plate (210) is arranged below the upper mounting plate (207), the lower mounting plate (210) is fixedly connected with the bottom end of the surrounding rod (204), a protective net (209) is installed between the lower mounting plate (210) and the upper mounting plate (207), and an anti-sway structure is arranged below the base (100) to reduce the sway of the device when moving.

2. A safety hanger for use in oil drilling as claimed in claim 1, wherein: The anti-sway structure comprises a counterweight (211) slidably arranged at the lower end of the base (100), a plurality of receiving grooves (219) are formed around the bottom end of the base (100), an installation rod (220) is fixedly connected with the end of the receiving groove (219) away from the counterweight (211), a connecting rope (218) is fixedly connected between the installation rod (220) and the counterweight (211), and a driving structure is arranged between the counterweight (211) and the protective net (209) to open the protective net (209) upward.

3. A safety hanger for use in oil drilling as claimed in claim 2 wherein: The driving structure comprises a guide groove (217) formed in the top plate (201) close to the surrounding rod (204), a guide frame (214) is fixedly connected with the upper end of the guide groove (217), a guide roller (215) is rotatably installed on the guide frame (214), a plurality of connecting frames (212) are fixedly connected around the side wall of the fixed rod (202), a steering roller (213) is rotatably installed on the connecting frame (212), a lifting rope (216) is fixedly connected between the upper mounting plate (207) and the counterweight (211), and the lifting rope (216) passes through the steering roller (213) and the guide roller (215).

4. A safety hanger for use in oil drilling as claimed in claim 3 wherein: The upper mounting plate (207) is provided with a counterweight plate (208) on the side wall, and the weight of the counterweight plate (208) is less than the weight of the counterweight (211).

5. A safety hanger for use in oil drilling as defined in claim 4, characterized in that: The inner wall of the sliding groove (205) and the side wall of the lifting plate (206) are smooth surfaces.

6. A safety hanger for use in oil drilling as defined in claim 5, characterized in that: The surrounding rod (204) is fixedly connected with the top plate (201) and the base (100) by bolts.

7. A safety hanger for use in oil drilling as defined in claim 6, characterized in that: The protective net (209) is made of polyester fiber material.

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