CN213679705U

CN213679705U - Multifunctional safety protection device for maintenance of oilfield equipment

Info

Publication number: CN213679705U
Application number: CN202022296604.9U
Authority: CN
Inventors: 郭文渲; 杨江红; 西秋敏
Original assignee: Shandong Qianrun Intelligent Technology Co ltd
Current assignee: Shandong Qianrun Intelligent Technology Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-13
Anticipated expiration: 2030-10-15

Abstract

The utility model provides a multifunctional safety protection device for oilfield equipment maintenance, which comprises a movable plate, a support plate, a first fixed plate, a first sliding hole, a first sliding rod, an adjustable locking movable seat structure, a suspensible anti-skidding maintenance platform structure, a suspensible hitching frame structure, a support frame, a second sliding hole, a support rotary rod, a second sliding rod, a U-shaped frame, a rotary rod, a rotary wheel, an L-shaped rotary rod, a connecting rope and a first suspension hook, wherein the movable plate is arranged on the left side between the first fixed plates; the supporting plate is arranged on the right side between the first fixing plates. The utility model discloses remove the seat, the second fixed plate, deep groove ball bearing, oblique T type threaded rod, the fixed block, the tight bolt in top, the setting of movable plate and backup pad is favorable to the tight T type threaded rod in the tight bolt top in rotatory top behind the height of adjustment maintenance platform, prevents to change the maintenance work of the high influence of maintenance platform at the rotatory in-process oblique T type threaded rod of maintenance oilfield equipment.

Description

Multifunctional safety protection device for maintenance of oilfield equipment

Technical Field

The utility model belongs to the technical field of the oil field maintenance equipment, especially, relate to multi-functional safety device for the maintenance of oil field equipment.

Background

The petroleum used in social production and people's life is produced by exploiting and processing oil field equipment, and whether the performance of the oil field equipment is intact has a very important influence on the quality of the produced petroleum. The quality of petroleum products can be effectively ensured by actively enhancing the management of oilfield equipment, so that the petroleum products can better meet the requirements of social production and daily life of people. With the continuous development of the construction of oil field mining areas, the problems of energy conservation and consumption reduction in low-voltage power supply work are prominent day by day. With the rapid development of social economy, the competition among enterprises is more and more intense, the challenges of oil field enterprises in the form are more severe, and the management, inspection and maintenance of equipment are more important as the basis of enterprise management. The transformer is a widely used electrical equipment, generally speaking, need pass through 3 ~ 5 vary voltage processes from electricity generation, power supply until the power consumption, and the transformer itself will produce active power loss and reactive power and need use. Generally, large equipment such as transformers and generators are erected at a higher position, and safety protection devices are needed to be used during maintenance.

But the current safety device still has the in-process that the in-process of using is inconvenient to remove work at the in-process that uses, and the in-process of maintenance and repair appears the workstation easily and goes up and down and inconvenient and be connected with oilfield equipment and ensure safe problem.

Therefore, the multifunctional safety protection device for maintaining the oilfield equipment is very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a multi-functional safety device for oilfield equipment maintenance to there is the inconvenient in-process that uses of in-process that uses to remove work in solving current safety device, the in-process that overhauls appears the workstation easily and goes up and down and inconvenient and oilfield equipment is connected the problem of ensureing safety. The multifunctional safety protection device for oilfield equipment maintenance comprises a movable plate, a supporting plate, a first fixed plate, a first sliding hole, a first sliding rod, an adjustable locking movable seat structure, a suspensible antiskid maintenance platform structure, a buffering suspensible frame structure, a supporting frame, a second sliding hole, a supporting rotating rod, a second sliding rod, a U-shaped frame, a rotating rod, a rotating wheel, an L-shaped rotating rod, a connecting rope and a first suspension hook, wherein the movable plate is arranged on the left side between the first fixed plates; the supporting plate is arranged on the right side between the first fixing plates; the first sliding holes are respectively formed in the middle of the inner part of the first fixing plate; the first sliding rod is welded at the middle position of the lower part of the front surface and the middle position of the lower part of the rear surface of the moving plate respectively; the first sliding rods respectively penetrate through the first sliding holes in a sliding mode; the lower end of the supporting plate is arranged on the right side of the upper end of the adjustable locking moving seat structure; the structure of the hangable antiskid maintenance platform is arranged at the upper end of the support frame; the structure of the buffering hanging frame is arranged on the left side of the structure of the hanging anti-skid maintenance platform; the second sliding holes are respectively formed in the left side and the right side of the front surface and the left side and the right side of the rear surface of the support frame; the lower ends of the supporting rotating rods are respectively coupled to the middle positions of the inner parts of the upper sides of the moving plate and the supporting plate in a shaft manner; the second sliding rod is welded on the upper part of the front surface and the upper part of the rear surface of the supporting rotating rod respectively; the upper end of the supporting rotary rod is inserted in the middle of the lower side of the supporting frame in a sliding mode through a second sliding rod; the second sliding rod penetrates through the second sliding hole in a sliding manner; the U-shaped frame is arranged on the right side of the upper end of the structure capable of being hung on the anti-skid maintenance platform; the rotating rod is connected to the middle position inside the upper side of the U-shaped frame in a shaft connection mode; the rotating wheel is connected to the middle position of the outer wall of the rotating rod; the upper end of the L-shaped rotating rod is connected with the lower end of the front surface of the rotating rod through a bolt; one end of the connecting rope is wound in the middle of the outer wall of the rotating wheel; the other end of the connecting rope is tied to the outer wall of the upper end of the first hanging hook; the adjustable locking moving seat structure comprises a moving seat, a moving brake wheel, a second fixing plate, a deep groove ball bearing, an inclined T-shaped threaded rod, a fixing block, a fixing hole and a jacking bolt, wherein the moving brake wheel is respectively bolted at four corners of the lower end of the moving seat; the lower end of the second fixing plate is respectively connected with the left side and the right side of the upper end of the movable seat through bolts; the deep groove ball bearings are respectively embedded in the middle positions inside the second fixing plates; the inclined T-shaped threaded rod penetrates through the inner ring of the deep groove ball bearing respectively and is in interference fit with the inner ring of the deep groove ball bearing; the fixed block is connected to the middle position of the right side of the upper end of the movable seat through a bolt; the fixing hole is formed in the middle of the inner part of the upper side of the fixing block; the tightening bolt is in threaded connection with the middle position inside the upper side of the fixing block.

Preferably, the structure of the hangable antiskid maintenance platform comprises a maintenance platform, an antiskid pad, a baffle plate, a fixed pipe and a second suspension hook, wherein the antiskid pad is glued at the upper end of the maintenance platform; the shielding plate is connected to the upper end of the maintenance platform through bolts; the fixed pipes are respectively bolted on the upper parts of the left side and the right side of the baffle plate; and the upper end of the second suspension hook is respectively bolted at the middle position inside the lower side of the fixed pipe.

Preferably, the structure of the buffer hanging frame comprises a connecting frame, a fixed buffer hole, a buffer rod, a buffer spring, a connecting roller, a safety rope and a hanging hook, wherein the fixed buffer hole is formed in the middle position of the front surface and the middle position of the rear surface of the connecting frame respectively; the buffer rod penetrates through the middle position inside the fixed buffer hole; the buffer springs are respectively connected to the left side and the right side of the front surface and the left side and the right side of the rear surface of the buffer rod through bolts; the connecting roll is connected to the middle position of the outer wall of the buffer rod through a roll shaft; one end of the safety rope is connected to the outer wall of the connecting roller through a bolt; the other end of the safety rope is tied to the outer wall of the lower end of the hanging hook.

Preferably, the moving plate is a stainless steel plate with a threaded hole in the middle of the inner part; the supporting plate is a stainless steel plate with a through hole in the middle; the supporting rotating rods are arranged in a shaft connection mode.

Preferably, the inclined T-shaped threaded rod penetrates through the fixing hole; the inclined T-shaped threaded rod is in threaded connection with the fixed block through the fixed hole; the jacking bolt is in contact with the inclined T-shaped threaded rod.

Preferably, the support plate is connected to the right side of the upper end of the movable seat through a bolt and sleeved on the right side of the outer wall of the inclined T-shaped threaded rod; the moving plate is arranged on the left side of the upper end of the moving seat and is in threaded connection with the inclined T-shaped threaded rod; the moving plate and the supporting plate are arranged between the second fixing plates.

Preferably, the non-slip mat adopts a silica gel mat with cross-shaped non-slip lines at the upper end; the shielding plate is a round stainless steel plate; the second hanging hook is a stainless steel hook.

Preferably, the support frame is connected to the middle position of the lower end of the maintenance platform through a bolt; and the U-shaped frame is connected to the right side of the upper end of the shielding plate through bolts.

Preferably, the buffer springs are respectively arranged at the middle positions inside the left side and the right side of the fixed buffer hole and are connected with the connecting frame through bolts; the safety rope is a synthetic fiber rope.

Preferably, the connecting frame is connected to the middle position of the left side of the maintenance platform through a bolt; the hanging hook is a stainless steel hook.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, removal seat, remove the brake wheel, the second fixed plate, deep groove ball bearing, oblique T type threaded rod, the movable plate, the setting of backup pad and first fixed plate is favorable to removing the seat through promoting in the in-process that uses and removes, conveniently carries out maintenance work in the different position of oilfield equipment, increases the removal function.

2. The utility model discloses in, removal seat, the second fixed plate, deep groove ball bearing, oblique T type threaded rod, the fixed block, the tight bolt in top, the setting of movable plate and backup pad is favorable to rotating the tight bolt in top in the tight T type threaded rod in top in the high back of adjustment maintenance platform, prevents to change the high maintenance work that influences of maintenance platform at the rotatory in-process oblique T type threaded rod of maintenance oilfield equipment.

3. The utility model discloses in, maintenance platform, shielding plate, link, buffer beam, connection roller, safety rope and the setting that articulates the hook are favorable to using safety rope winding oilfield equipment or using to articulate the hook and connect oilfield equipment at work, prevent to incline at the in-process maintenance platform of maintenance and influence oilfield equipment's maintenance work.

4. The utility model discloses in, maintenance platform, slipmat, shielding plate, support frame, second slide opening support the setting of rotary rod and second slide bar, be favorable to keeping the stability of maintenance platform at the in-process that uses simultaneously to shelter from work at the in-process of maintenance personnel through shielding plate, the convenience improves maintenance personnel's security at work.

5. The utility model discloses in, the link, fixed buffering hole, the buffer beam, buffer spring, the connection roller, the safety rope with articulate the setting of hook, be favorable to at the in-process that uses through the safety rope with articulate the hook joint oil field equipment, promote buffer spring at the in-process of maintenance platform slope through safety rope pulling buffer beam and connection roller, the convenient in-process that uses increases buffer function.

6. The utility model discloses in, maintenance platform, slipmat, shielding plate, fixed pipe and second hang the setting of hook, be favorable to preventing the in-process maintenance personal's of work skidding of foot through the slipmat at the in-process of maintaining oilfield equipment, hang the in-process carrier of hook convenience at the lift through fixed pipe and second simultaneously.

7. The utility model discloses in, maintenance platform, shielding plate, U type frame, rotary rod, swiveling wheel, L type dwang, the setting of connecting rope and first suspension hook is favorable to grasping L type dwang at the in-process of maintaining oilfield equipment and rotates rotary rod and swiveling wheel, the convenience is connecting the rope and receive and release work, is favorable to carrying out instrument hoist and mount work at work.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the adjustable locking moving seat structure of the present invention.

Fig. 3 is a schematic structural view of the structure of the anti-skid maintenance platform of the present invention.

Fig. 4 is a schematic structural view of the structure of the buffer hanging frame of the present invention.

In the figure:

1. moving the plate; 2. a support plate; 3. a first fixing plate; 4. a first slide hole; 5. a first slide bar; 6. the adjustable locking moving seat structure; 61. a movable seat; 62. moving the brake wheel; 63. a second fixing plate; 64. a deep groove ball bearing; 65. an oblique T-shaped threaded rod; 66. a fixed block; 67. a fixing hole; 68. jacking the bolt; 7. the antiskid maintenance platform structure can be hung and connected; 71. a maintenance platform; 72. a non-slip mat; 73. a shielding plate; 74. a fixed tube; 75. a second hanging hook; 8. a structure of the buffer hanging frame; 81. a connecting frame; 82. fixing the buffer hole; 83. a buffer rod; 84. a buffer spring; 85. a connecting roller; 86. a safety cord; 87. a hook is hooked; 9. a support frame; 10. a second slide hole; 11. supporting a rotating rod; 12. a second slide bar; 13. a U-shaped frame; 14. rotating the rod; 15. a rotating wheel; 16. an L-shaped rotating rod; 17. connecting ropes; 18. a first hanging hook.

Detailed Description

The present invention is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a multifunctional safety protection device for oilfield equipment maintenance comprises a movable plate 1, a support plate 2, a first fixed plate 3, a first sliding hole 4, a first sliding rod 5, an adjustable locking movable seat structure 6, a hitchable antiskid maintenance platform structure 7, a bufferable hitching frame structure 8, a support frame 9, a second sliding hole 10, a support rotating rod 11, a second sliding rod 12, a U-shaped frame 13, a rotating rod 14, a rotating wheel 15, an L-shaped rotating rod 16, a connecting rope 17 and a first hanging hook 18, wherein the movable plate 1 is arranged on the left side between the first fixed plates 3; the supporting plate 2 is arranged at the right side between the first fixing plates 3; the first sliding holes 4 are respectively formed in the middle positions inside the first fixing plates 3; the first sliding rod 5 is respectively welded at the middle position of the lower part of the front surface and the middle position of the lower part of the rear surface of the moving plate 1; the first sliding rods 5 respectively penetrate through the first sliding holes 4 in a sliding manner; the lower end of the supporting plate 2 is arranged at the right side of the upper end of the adjustable locking moving seat structure 6; the suspensible anti-skid maintenance platform structure 7 is arranged at the upper end of the support frame 9; the buffer hanging frame structure 8 is arranged on the left side of the anti-skid maintenance platform structure 7; the second sliding holes 10 are respectively arranged on the left side and the right side of the front surface and the left side and the right side of the rear surface of the support frame 9; the lower ends of the supporting rotating rods 11 are respectively and axially connected to the middle positions inside the upper sides of the moving plate 1 and the supporting plate 2; the second sliding rod 12 is welded on the upper part of the front surface and the upper part of the rear surface of the supporting rotating rod 11 respectively; the upper end of the supporting rotating rod 11 is inserted in the middle of the lower side of the supporting frame 9 in a sliding manner through a second sliding rod 12; the second sliding rod 12 penetrates through the second sliding hole 10 in a sliding manner; the U-shaped frame 13 is arranged on the right side of the upper end of the hangable antiskid maintenance platform structure 7; the rotating rod 14 is axially connected to the middle position inside the upper side of the U-shaped frame 13; the rotating wheel 15 is pivoted in the middle of the outer wall of the rotating rod 14; the upper end of the L-shaped rotating rod 16 is connected with the lower end of the front surface of the rotating rod 14 through a bolt; one end of the connecting rope 17 is wound at the middle position of the outer wall of the rotating wheel 15; the other end of the connecting rope 17 is tied to the outer wall of the upper end of the first hanging hook 18; the adjustable locking moving seat structure 6 comprises a moving seat 61, a moving brake wheel 62, a second fixing plate 63, a deep groove ball bearing 64, an inclined T-shaped threaded rod 65, a fixing block 66, a fixing hole 67 and a tightening bolt 68, wherein the moving brake wheel 62 is respectively bolted at four corners of the lower end of the moving seat 61; the lower end of the second fixing plate 63 is respectively bolted to the left and right sides of the upper end of the movable seat 61; the deep groove ball bearings 64 are respectively embedded in the middle positions inside the second fixing plates 63; the inclined T-shaped threaded rod 65 penetrates through the inner rings of the deep groove ball bearings 64 respectively and is in interference fit with the inner rings; the fixed block 66 is connected to the middle position of the right side of the upper end of the movable seat 61 through a bolt; the fixing hole 67 is formed in the middle of the upper inner part of the fixing block 66; the puller bolt 68 is in threaded connection with the middle position of the upper inner part of the fixed block 66; the moving seat 61 is pushed to move in the process of maintaining the oilfield equipment, after the moving seat 61 is moved to a proper position, the moving seat 61 is fixed, the inclined T-shaped threaded rod 65 is rotated after the tightening bolt 68 is loosened, the moving plate 1 is moved towards the right side through the threaded connection of the inclined T-shaped threaded rod 65 and the moving plate 1, then the moving plate 1 is close to the supporting plate 2, in the process that the moving plate 1 is close to the supporting plate 2, the angle between the supporting rotary rods 11 and the moving plate 1 and the angle between the supporting plate 2 and the moving plate 1 are respectively close to the supporting plate 2 are changed, then the second sliding rod 12 is made to slide in the second sliding hole 10, the upper end of the supporting rotary rod 11 is made to move towards the middle position, and the height of the.

In this embodiment, referring to fig. 3, the suspensible anti-skid maintenance platform structure 7 includes a maintenance platform 71, an anti-skid pad 72, a shielding plate 73, a fixing tube 74 and a second suspension hook 75, wherein the anti-skid pad 72 is adhesively connected to the upper end of the maintenance platform 71; the shielding plate 73 is connected to the upper end of the maintenance platform 71 through bolts; the fixed pipes 74 are respectively bolted on the upper parts of the left side and the right side of the baffle plate 73; the upper ends of the second hanging hooks 75 are respectively bolted at the middle position inside the lower side of the fixed pipe 74; before the maintenance platform 71 is lifted, a worker stands at a proper position at the upper end of the maintenance platform 71, the maintenance worker is conveyed to a proper height through the lifting work of the maintenance platform 71, after the height of the maintenance platform 71 is fixed, the jacking bolt 68 is screwed down, the inclined T-shaped threaded rod 65 is fixed, and meanwhile, tools needed to be used in work are placed at the upper end of the maintenance platform 71 or hung at the upper end of the second hanging hook 75 in the process of lifting the maintenance platform 71, so that the tools are convenient to carry in work.

In this embodiment, referring to fig. 4, the structure 8 of the buffering hanging rack includes a connecting rack 81, a fixed buffer hole 82, a buffer rod 83, a buffer spring 84, a connecting roller 85, a safety rope 86 and a hanging hook 87, wherein the fixed buffer hole 82 is respectively opened at the middle position of the front surface and the middle position of the rear surface of the connecting rack 81; the buffer rod 83 penetrates through the middle position inside the fixed buffer hole 82; the buffer springs 84 are respectively bolted on the left and right sides of the front surface and the left and right sides of the rear surface of the buffer rod 83; the connecting roller 85 is axially connected to the middle position of the outer wall of the buffer rod 83; one end of the safety rope 86 is connected with the outer wall of the connecting roller 85 through a bolt; the other end of the safety rope 86 is tied to the outer wall of the lower end of the hanging hook 87; after the maintenance platform 71 is adjusted to a proper height, the hanging hook 87 is used for hanging the maintenance platform 71 at a proper position of oilfield equipment, the maintenance platform 71 is dragged to work, the maintenance platform 71 is prevented from inclining in work, or the safety rope 86 is wound at a proper position of the surface of the equipment, then the hanging hook 87 is used for hanging the safety rope 86, the stability of the maintenance platform 71 is increased conveniently in the process of maintaining the equipment, and the maintenance work of the oilfield equipment is further completed.

In this embodiment, specifically, the moving plate 1 is a stainless steel plate with a threaded hole formed in the middle of the inside; the supporting plate 2 is a stainless steel plate with a through hole in the middle; the supporting rotating rods 11 are arranged in a shaft connection mode.

In this embodiment, specifically, the inclined T-shaped threaded rod 65 penetrates through the fixing hole 67; the inclined T-shaped threaded rod 65 is in threaded connection with the fixing block 66 through a fixing hole 67; the puller bolt 68 is arranged in contact with the inclined T-shaped threaded rod 65.

In this embodiment, specifically, the support plate 2 is bolted to the right side of the upper end of the movable seat 61 and sleeved on the right side of the outer wall of the oblique T-shaped threaded rod 65; the moving plate 1 is arranged on the left side of the upper end of the moving seat 61 and is in threaded connection with the inclined T-shaped threaded rod 65; the moving plate 1 and the supporting plate 2 are disposed between the second fixing plates 63.

In this embodiment, specifically, the non-slip pad 72 is a silica gel pad with cross-shaped non-slip lines on the upper end; the shielding plate 73 is made of a round stainless steel plate; the second hanging hook 75 is a stainless steel hook.

In this embodiment, specifically, the supporting frame 9 is bolted to the middle position of the lower end of the maintenance platform 71; the U-shaped frame 13 is bolted to the right side of the upper end of the shielding plate 73.

In this embodiment, specifically, the buffer springs 84 are respectively disposed at the middle positions inside the left and right sides of the fixed buffer hole 82 and are connected with the connecting frame 81 by bolts; the safety rope 86 is a synthetic fiber rope.

In this embodiment, specifically, the connecting frame 81 is bolted to the middle position on the left side of the maintenance platform 71; the hanging hook 87 is a stainless steel hook.

Principle of operation

In the utility model, the moving seat 61 is pushed to move in the process of maintaining the oilfield equipment, after the moving seat 61 is moved to a proper position, the moving seat 61 is fixed, the oblique T-shaped threaded rod 65 is rotated after the puller bolt 68 is loosened, the moving plate 1 is moved to the right side through the threaded connection between the oblique T-shaped threaded rod 65 and the moving plate 1, then the moving plate 1 is close to the support plate 2, the angle between the support rotary rods 11 and the moving plate 1 close to the support plate 2 are changed through the axial connection arrangement between the support rotary rods 11 in the process that the moving plate 1 is close to the support plate 2, then the second slide rod 12 is made to slide in the second slide hole 10, the upper end of the support rotary rod 11 is made to move to the middle position, the height of the maintenance equipment is convenient to adjust in the using process, before the, the worker stands at a proper position at the upper end of the maintenance platform 71, the maintenance worker is sent to a proper height through the lifting work of the maintenance platform 71, after the height of the maintenance platform 71 is fixed, the jacking bolt 68 is screwed down, the inclined T-shaped threaded rod 65 is fixed, meanwhile, in the process of lifting the maintenance platform 71, tools needed to be used in work are placed at the upper end of the maintenance platform 71 or hung at the upper end of the second hanging hook 75, so that the tools are conveniently carried in work, after the maintenance platform 71 is adjusted to a proper height, the hanging hook 87 is hung at a proper position of oilfield equipment to carry out the traction work of the maintenance platform 71, prevent the maintenance platform 71 from inclining in the work, or the safety rope 86 is wound at a proper position on the surface of the equipment, and then the hanging hook 87 is used for hanging the safety rope 86, so that the stability of the maintenance platform 71 is increased conveniently in the process of maintaining the equipment, and the maintenance work of the oilfield equipment is further completed.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The multifunctional safety device for oilfield equipment maintenance is characterized by comprising a movable plate (1), a supporting plate (2), a first fixing plate (3), a first sliding hole (4), a first sliding rod (5), an adjustable locking movable seat structure (6), a hitchable antiskid maintenance platform structure (7), a bufferable hitching frame structure (8), a supporting frame (9), a second sliding hole (10), a supporting rotating rod (11), a second sliding rod (12), a U-shaped frame (13), a rotating rod (14), a rotating wheel (15), an L-shaped rotating rod (16), a connecting rope (17) and a first hanging hook (18), wherein the movable plate (1) is arranged on the left side between the first fixing plates (3); the supporting plate (2) is arranged on the right side between the first fixing plates (3); the first sliding holes (4) are respectively formed in the middle of the inner part of the first fixing plate (3); the first sliding rod (5) is respectively welded at the middle position of the lower part of the front surface and the middle position of the lower part of the rear surface of the moving plate (1); the first sliding rods (5) respectively penetrate through the first sliding holes (4) in a sliding manner; the lower end of the supporting plate (2) is arranged on the right side of the upper end of the adjustable locking moving seat structure (6); the suspensible anti-skid maintenance platform structure (7) is arranged at the upper end of the support frame (9); the structure (8) of the buffer hanging frame is arranged on the left side of the structure (7) of the anti-skid maintenance platform; the second sliding holes (10) are respectively formed in the left side and the right side of the front surface and the left side and the right side of the rear surface of the support frame (9); the lower ends of the supporting rotating rods (11) are respectively and axially connected to the middle positions inside the upper sides of the moving plate (1) and the supporting plate (2); the second sliding rod (12) is respectively welded on the upper part of the front surface and the upper part of the rear surface of the supporting rotating rod (11); the upper end of the supporting rotating rod (11) is inserted in the middle of the lower side of the supporting frame (9) in a sliding mode through a second sliding rod (12); the second sliding rod (12) penetrates through the second sliding hole (10) in a sliding manner; the U-shaped frame (13) is arranged on the right side of the upper end of the anti-skid maintenance platform structure (7) which can be hung; the rotating rod (14) is connected to the middle position inside the upper side of the U-shaped frame (13) in a shaft mode; the rotating wheel (15) is connected to the middle position of the outer wall of the rotating rod (14) in a shaft mode; the upper end of the L-shaped rotating rod (16) is connected with the lower end of the front surface of the rotating rod (14) through a bolt; one end of the connecting rope (17) is wound in the middle of the outer wall of the rotating wheel (15); the other end of the connecting rope (17) is tied to the outer wall of the upper end of the first hanging hook (18); the adjustable locking moving seat structure (6) comprises a moving seat (61), a moving brake wheel (62), a second fixing plate (63), a deep groove ball bearing (64), an inclined T-shaped threaded rod (65), a fixing block (66), a fixing hole (67) and a tightening bolt (68), wherein the moving brake wheel (62) is respectively bolted at the four corners of the lower end of the moving seat (61); the lower end of the second fixing plate (63) is respectively connected to the left side and the right side of the upper end of the movable seat (61) through bolts; the deep groove ball bearings (64) are respectively embedded in the middle positions inside the second fixing plates (63); the inclined T-shaped threaded rod (65) penetrates through the inner ring of the deep groove ball bearing (64) respectively and is in interference fit with the inner ring; the fixed block (66) is connected to the middle position of the right side of the upper end of the movable seat (61) through a bolt; the fixing hole (67) is formed in the middle of the inner part of the upper side of the fixing block (66); the tightening bolt (68) is in threaded connection with the middle position of the upper side inside the fixing block (66).

2. The multifunctional safety device for oilfield equipment maintenance according to claim 1, wherein the hangable anti-skid platform structure (7) comprises a maintenance platform (71), an anti-skid pad (72), a shielding plate (73), a fixing tube (74) and a second hanging hook (75), wherein the anti-skid pad (72) is glued to the upper end of the maintenance platform (71); the shielding plate (73) is connected to the upper end of the maintenance platform (71) through bolts; the fixed pipes (74) are respectively connected to the upper parts of the left side and the right side of the shielding plate (73) through bolts; the upper ends of the second hanging hooks (75) are respectively bolted at the middle position inside the lower side of the fixed pipe (74).

3. The multifunctional safety device for oilfield equipment maintenance according to claim 1, wherein the cushioned hooking frame structure (8) comprises a connecting frame (81), a fixed cushion hole (82), a cushion rod (83), a cushion spring (84), a connecting roller (85), a safety rope (86) and a hooking hook (87), wherein the fixed cushion hole (82) is respectively formed at a front surface middle position and a rear surface middle position of the connecting frame (81); the buffer rod (83) penetrates through the middle position inside the fixed buffer hole (82); the buffer springs (84) are respectively bolted on the left and right sides of the front surface and the left and right sides of the rear surface of the buffer rod (83); the connecting roller (85) is coupled in the middle of the outer wall of the buffer rod (83) in a shaft way; one end of the safety rope (86) is connected to the outer wall of the connecting roller (85) through a bolt; the other end of the safety rope (86) is tied to the outer wall of the lower end of the hanging hook (87).

4. The multifunctional safety device for oilfield equipment maintenance according to claim 1, wherein the moving plate (1) is a stainless steel plate with a threaded hole at the middle position inside; the supporting plate (2) is a stainless steel plate with a through hole in the middle; the supporting rotating rods (11) are arranged in a shaft connection mode.

5. The multifunctional safety shield for oilfield equipment maintenance as defined in claim 1, wherein the oblique T-shaped threaded rod (65) extends through the fixing hole (67); the inclined T-shaped threaded rod (65) is in threaded connection with the fixing block (66) through a fixing hole (67); the jacking bolt (68) is in contact with the inclined T-shaped threaded rod (65).

6. The multifunctional safety device for oilfield equipment maintenance according to claim 1, wherein the support plate (2) is bolted to the right side of the upper end of the movable seat (61) and sleeved on the right side of the outer wall of the inclined T-shaped threaded rod (65); the moving plate (1) is arranged on the left side of the upper end of the moving seat (61) and is in threaded connection with the inclined T-shaped threaded rod (65); the moving plate (1) and the supporting plate (2) are arranged between the second fixing plates (63).

7. The multifunctional safety device for oilfield equipment maintenance according to claim 2, wherein the non-slip mat (72) is a silica gel mat with cross-shaped non-slip lines at the upper end; the shielding plate (73) is a circular stainless steel plate; the second hanging hook (75) is a stainless steel hook.

8. The multifunctional safety device for oilfield equipment maintenance according to claim 2, wherein the support frame (9) is bolted to the middle of the lower end of the maintenance platform (71); the U-shaped frame (13) is connected to the right side of the upper end of the shielding plate (73) through bolts.

9. The multifunctional safety device for oilfield equipment maintenance according to claim 3, wherein the buffer springs (84) are respectively arranged at the middle positions inside the left and right sides of the fixed buffer hole (82) and are connected with the connecting frame (81) through bolts; the safety rope (86) is a synthetic fiber rope.

10. The multifunctional safety device for oilfield equipment maintenance according to claim 3, wherein the connecting frame (81) is bolted to the middle position on the left side of the maintenance platform (71); the hanging hook (87) is a stainless steel hook.