CN212564315U

CN212564315U - Anti-falling safety device for operation on top surface of reduction gearbox of oil pumping unit

Info

Publication number: CN212564315U
Application number: CN202021043219.7U
Authority: CN
Inventors: 肖战军; 周巨标; 赵邦; 韩刚; 刘美信; 周洪亮; 张颖
Original assignee: China Petroleum and Chemical Corp; Sinopec Jiangsu Oilfield Co
Current assignee: China Petroleum and Chemical Corp; Sinopec Jiangsu Oilfield Co
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-02-19
Anticipated expiration: 2030-06-09

Abstract

The utility model relates to an operation anti-falling safety device for the top surface of a reduction box of a pumping unit, which comprises two pairs of reduction box rib plates positioned on the front side wall and the rear side wall of the reduction box of the pumping unit, wherein the two pairs of reduction box rib plates extend vertically and are parallel to each other, X-direction supporting rods are respectively supported between opposite end faces of each pair of reduction box rib plates, Z-direction socket pipes extending upwards are respectively welded at the middle parts of the two X-direction supporting rods, the middle parts of the two Z-direction socket pipes are mutually welded into a whole through Y-direction connecting rods, and the Y-direction; and a Z-direction insertion rod is inserted into the upper port of at least one Z-direction socket pipe, the lower end of the Z-direction insertion rod is fixed in the Z-direction socket pipe, and a top hanging ring capable of hanging a safety belt is welded at the top of the Z-direction insertion rod. The anti-falling safety device for the operation on the top surface of the reduction gearbox of the pumping unit can provide a safety belt fixing device for personnel operating on the top surface of the reduction gearbox, improve the safety of high-altitude operation and meet the mandatory regulations of safety production.

Description

Anti-falling safety device for operation on top surface of reduction gearbox of oil pumping unit

Technical Field

The utility model relates to an aerial working safety device especially relates to a beam-pumping unit reducing gear box top surface operation prevents weighing down safety device, belongs to the high altitude and prevents weighing down protector technical field.

Background

At present, most of pumping units in domestic oil fields adopt beam pumping units. In most pumping unit maintenance construction projects, such as the disassembly of a walking beam of the pumping unit, the installation of a balance block and the like, an operator is required to climb the top surface of a reduction gearbox of the pumping unit for operation.

Because the reduction gearbox of the pumping unit is in an irregular shape, no guard rail is arranged around the reduction gearbox, the top surface is an inclined plane and an arc surface, and the top part is also provided with the protruded parts such as the reduction gearbox cover and the like, the reduction gearbox is not suitable for standing and moving for a long time. According to the related regulations of medium and petrochemical related safety production, when the height is more than 2 meters above the reference surface, the climber must take measures such as fastening a safety belt, protecting the edge and the like.

Although the safety belt fastening is specified as a construction mandatory requirement, the parts of the oil pumping unit above the reduction gearbox are all movable parts, so that the requirement for hanging the safety belt is not met; hanging the harness on the moving parts can have a more serious safety hazard. Therefore, under the existing conditions, the two safety measures are difficult to be taken when the pumping unit stands on the reduction gearbox for operation.

Therefore, the special device is manufactured, the special device can be conveniently and temporarily placed on the shell of the speed reducer, then the lifting hook of the safety belt is hung on the special device, and the safety belt can be reliably hung.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide a safety device is prevented weighing down in operation of beam-pumping unit reducing gear box top surface, can provide safety belt fixing device for the personnel that carry out the operation at beam-pumping unit reducing gear box top surface, improve high altitude construction's security, satisfy the mandatory regulation of safety in production simultaneously.

In order to solve the technical problem, the utility model discloses an operation anti-falling safety device for the top surface of a reduction box of a pumping unit, which comprises two pairs of reduction box rib plates positioned on the front and rear side walls of the reduction box of the pumping unit, wherein the two pairs of reduction box rib plates extend vertically and are parallel to each other, X-direction supporting rods are respectively supported between the opposite end surfaces of each pair of reduction box rib plates, Z-direction socket pipes extending upwards are respectively welded at the middle parts of the two X-direction supporting rods, the middle parts of the two Z-direction socket pipes are mutually welded into a whole through Y-direction connecting rods, and the Y-direction connecting; and a Z-direction insertion rod is inserted into the upper port of at least one Z-direction socket pipe, the lower end of the Z-direction insertion rod is fixed in the Z-direction socket pipe, and a top hanging ring capable of hanging a safety belt is welded at the top of the Z-direction insertion rod.

Compared with the prior art, the utility model discloses following beneficial effect has been obtained: before high-altitude operation, two X-direction support rods are respectively supported between two pairs of speed reduction box rib plates on the front side wall and the rear side wall of a reduction box of the pumping unit, two ends of the X-direction support rods respectively prop against opposite end faces of the two speed reduction box rib plates, a Y-direction connecting rod stretches across the top face of the reduction box of the pumping unit, then a Z-direction insertion rod is inserted into one Z-direction socket pipe, and a top hanging ring at the upper end of the Z-direction insertion rod provides a reliable fixing place for a hook of a safety belt. The X-direction support rod, the Z-direction socket pipe and the Y-direction connecting rod form a three-dimensional portal frame structure, the left end and the right end of the X-direction support rod are limited, so that the portal frame cannot be inclined or lodged in the left and right directions, and the two Z-direction socket pipes are clamped on the front side and the rear side of the reduction gearbox of the pumping unit respectively, so that the portal frame cannot be inclined or lodged in the front and rear directions. Before the X-direction supporting rod is tightly supported, the Y-direction connecting rod is dropped on the top surface of the reduction gearbox of the pumping unit, so that the portal frame cannot slide downwards, and the safety device is very reliable in working. The weight of the whole device can be controlled to be about 10Kg, the carrying and the carrying are very convenient, and the reduction gearbox does not need to be modified or disassembled.

As the improvement of the utility model, X has connect adjusting screw to the both ends respectively soon about the bracing piece, and left adjusting screw is opposite with right adjusting screw's the soon, and left adjusting screw is equipped with hexagon head or cubic tenon respectively with right adjusting screw's outer end. During installation, the hexagonal heads of the left adjusting screw and the right adjusting screw are rotated through the wrench, the left adjusting screw and the right adjusting screw are screwed out, the total length of the X-direction supporting rod is increased, and the outer end heads of the left adjusting screw and the right adjusting screw are tightly propped between the opposite end faces of the rib plates of the two reduction boxes. After the operation is finished, the hexagonal heads of the left adjusting screw rod and the right adjusting screw rod are rotated through the wrench, the left adjusting screw rod and the right adjusting screw rod are retreated in a rotating mode, the outer end heads of the left adjusting screw rod and the right adjusting screw rod are separated from the opposite end faces of the rib plates of the two reduction boxes, and the device can be detached and taken down easily.

As a further improvement, the middle hanging ring which can hang the safety belt is welded in the middle section of the Z-direction insertion rod. The operator can select the hook of the safety belt to hang on the middle hanging ring or the top hanging ring according to the height of the operator or the specific needs of the operator.

As the utility model discloses a further improvement, two Z are equipped with respectively to the bell and spigot pipe middle section along Y to the bell and spigot pipe locating hole that link up, and positioning nut has been welded respectively to the outer port of bell and spigot pipe locating hole, has connect set screw in two positioning nut respectively soon, and two set screw's inner end supports respectively to lean on the lateral wall around the beam-pumping unit reducing gear box. The two Z-direction socket pipes are erected behind the front side and the rear side of the reduction gearbox of the pumping unit, and the two positioning screws are screwed in, so that the inner end heads of the two positioning screws are tightly propped against the front side wall and the rear side wall of the reduction gearbox of the pumping unit, the two Z-direction socket pipes cannot shake in the Y direction, and the stability of a safe state is improved.

As the utility model discloses a further improvement, Z has welded lock nut respectively to the upper portion lateral wall of socket pipe, has connect locking screw in the lock nut soon respectively, and locking screw's inner end pushes up tightly respectively on Z is to the lateral wall of inserted bar. After the Z-direction insertion rod is inserted into the Z-direction socket pipe, the locking screw is screwed to tightly push the Z-direction insertion rod, so that the Z-direction insertion rod can be prevented from rotating, shaking or axially moving in the Z-direction socket pipe, and the device is safer and more reliable.

Drawings

The invention will be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration purposes only and are not intended to limit the invention.

Fig. 1 is a front view of the working state of the anti-falling safety device for the operation of the top surface of the reduction gearbox of the pumping unit.

Fig. 2 is a perspective view of fig. 1.

Fig. 3 is a partially enlarged view of fig. 1.

Fig. 4 is a front view of the present invention before installation.

Fig. 5 is a perspective view of fig. 4.

Fig. 6 is an enlarged view of fig. 5 with the Z-axis bayonet lever removed.

In the figure: 1. a reduction gearbox of the oil pumping unit; 1a, a reduction gearbox rib plate; 1b, a belt pulley; supporting rods in the X direction; 2a, a left adjusting screw; 2b, a right adjusting screw; 2c, a hexagonal head; 3, inserting and connecting a pipe in the Z direction; a Y-direction connecting rod; 5, inserting the rod in the Z direction; 5a, hanging a ring at the top; 5b, hanging a ring in the middle; 6. a set screw; 6a, positioning a nut; 7. locking the screw; 7a, locking a nut; 8. a motor; 9. a belt; 10. a crank; 11. balancing the balancing weight block; 12. a connecting rod; 13. a walking beam; 14. a support; 15. donkey head.

Detailed Description

As shown in fig. 1 to 3, the walking beam type oil pumping unit comprises a horse head 15, a walking beam 13, a connecting rod 12, a crank mechanism, a reduction gearbox, power equipment and the like, wherein the middle part of the walking beam 13 is hinged to the top end of a bracket 14, one end of the walking beam 13 is connected with the horse head 15, and the horse head 15 bears oil pumping load; the other end of walking beam 13 articulates there is connecting rod 12, and the lower extreme of connecting rod 12 articulates on crank 10, installs balancing weight piece 11 on crank 10. The motor 8 drives the belt pulley 1b of the reduction gearbox 1 of the pumping unit to rotate through the belt 9, the output end of the reduction gearbox of the pumping unit drives the crank 10 to rotate, the connecting rod 12 pulls the walking beam 13 to swing up and down, the horse head 15 also moves up and down to be similar to the action of a kowtow head, and the horse head 15 drives the plunger of the underground deep well pump to move up and down through the polish rod and the sucker rod, so that crude oil in the well is continuously pumped out of the shaft.

As shown in fig. 1 to 6, the utility model discloses an operation of beam-pumping unit reducing gear box top surface prevents weighing down safety device, including two pairs of reducing gear box gusset 1a that are located on the lateral wall around beam-pumping unit reducing gear box 1, two pairs of reducing gear box gusset 1a all extend along vertical and be parallel to each other, support respectively between the terminal surface in opposite directions of each pair of reducing gear box gusset 1a to bracing piece 2, the middle part of two X to bracing piece 2 welds Z to socket joint pipe 3 of upwards extending respectively, the middle part of two Z to socket joint pipe 3 welds as an organic whole each other through Y to connecting rod 4, Y is located the top surface top of beam-pumping unit reducing gear box; a Z-direction inserting rod 5 is inserted into the upper port of at least one Z-direction socket pipe 3, the lower end of the Z-direction inserting rod 5 is fixed in the Z-direction socket pipe 3, and a top hanging ring 5a capable of hanging a safety belt is welded at the top of the Z-direction inserting rod 5.

Before high-altitude operation, two X-direction support rods 2 are respectively supported between two pairs of speed reduction box rib plates 1a on the front side wall and the rear side wall of a reduction box 1 of an oil pumping unit, two ends of the X-direction support rods 2 are respectively tightly propped against opposite end faces of the two speed reduction box rib plates 1a, a Y-direction connecting rod 4 stretches across the top face of the reduction box 1 of the oil pumping unit, then a Z-direction insertion rod 5 is inserted into one Z-direction socket pipe 3, and a top hanging ring 5a at the upper end of the Z-direction insertion rod 5 provides a reliable fixing place for a hook of a safety. The X-direction support rod 2, the Z-direction socket pipe 3 and the Y-direction connecting rod 4 form a three-dimensional portal frame structure, the left end and the right end of the X-direction support rod 2 are limited, so that the portal frame cannot be inclined or lodged in the left and right directions, and the two Z-direction socket pipes 3 are clamped on the front side and the rear side of the reduction gearbox 1 of the pumping unit respectively, so that the portal frame cannot be inclined or lodged in the front and rear directions. Before the X-direction supporting rod 2 is tightly supported, the Y-direction connecting rod 4 is dropped on the top surface of the reduction gearbox 1 of the pumping unit, so that the portal frame cannot slide downwards, and the safety device is very reliable in working. The weight of the whole device can be controlled to be about 10Kg, the carrying and the carrying are very convenient, and the reduction gearbox does not need to be modified or disassembled.

The left end and the right end of the X-direction supporting rod 2 are respectively screwed with an adjusting screw, the turning directions of the left adjusting screw 2a and the right adjusting screw 2b are opposite, and the outer end heads of the left adjusting screw 2a and the right adjusting screw 2b are respectively provided with a hexagon head 2c or a square tenon.

During installation, the hexagonal heads 2c of the left adjusting screw 2a and the right adjusting screw 2b are rotated by a wrench, the left adjusting screw 2a and the right adjusting screw 2b are screwed out, the total length of the X-direction supporting rod 2 is increased, and the outer end heads of the left adjusting screw 2a and the right adjusting screw 2b are tightly propped between the opposite end faces of the rib plates 1a of the two reduction boxes. After the operation is finished, the hexagonal heads 2c of the left adjusting screw 2a and the right adjusting screw 2b are rotated through a wrench, the left adjusting screw 2a and the right adjusting screw 2b are retreated in a rotating mode, the outer end heads of the left adjusting screw 2a and the right adjusting screw 2b are separated from the opposite end faces of the rib plates 1a of the two reduction boxes, and the device can be detached and taken down easily.

The middle section of the Z-direction insertion rod 5 is welded with a middle hanging ring 5b capable of hanging a safety belt. The operator can select the hook of the safety belt to hang on the middle hanging ring 5b or the top hanging ring 5a according to the height of the operator or the specific needs of the operator.

The middle sections of the two Z-direction socket pipes 3 are respectively provided with socket pipe positioning holes which are communicated along the Y direction, the outer ports of the socket pipe positioning holes are respectively welded with positioning nuts 6a, the two positioning nuts 6a are respectively screwed with positioning screws 6, and the inner ends of the two positioning screws 6 respectively abut against the front side wall and the rear side wall of the reduction gearbox 1 of the pumping unit. The two Z-direction socket pipes 3 are erected behind the front side and the rear side of the reduction gearbox 1 of the pumping unit, and the two positioning screws 6 are screwed in, so that the inner end heads of the two positioning screws 6 are tightly propped against the front side wall and the rear side wall of the reduction gearbox 1 of the pumping unit, the two Z-direction socket pipes 3 cannot shake in the Y direction, and the stability of a safe state is improved.

And locking nuts 7a are respectively welded on the side wall of the upper part of the Z-direction socket pipe 3, locking screws 7 are respectively screwed in the locking nuts 7a, and the inner ends of the locking screws 7 are respectively tightly propped against the side wall of the Z-direction insertion rod 5. After the Z-direction insertion rod 5 is inserted into the Z-direction socket pipe 3, the locking screw 7 is screwed to tightly push the Z-direction insertion rod 5, so that the Z-direction insertion rod can be prevented from rotating, shaking or axially moving in the Z-direction socket pipe 3, and the device is safer and more reliable.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention. The undescribed technical features of the present invention can be realized by or using the prior art, and are not described herein again.

Claims

1. The utility model provides a safety device is prevented weighing down in operation of beam-pumping unit reducing gear box top surface, is including being located two pairs of reducing gear box gusset on the lateral wall around the beam-pumping unit reducing gear box, and two pairs of reducing gear box gusset are all along vertical extension and parallel to each other, its characterized in that: x-direction supporting rods are respectively supported between the opposite end surfaces of each pair of reduction gearbox rib plates, Z-direction socket pipes extending upwards are respectively welded at the middle parts of the two X-direction supporting rods, the middle parts of the two Z-direction socket pipes are mutually welded into a whole through Y-direction connecting rods, and the Y-direction connecting rods are positioned above the top surface of the reduction gearbox of the pumping unit; and a Z-direction insertion rod is inserted into the upper port of at least one Z-direction socket pipe, the lower end of the Z-direction insertion rod is fixed in the Z-direction socket pipe, and a top hanging ring capable of hanging a safety belt is welded at the top of the Z-direction insertion rod.

2. The anti-falling safety device for the operation on the top surface of the reduction gearbox of the pumping unit according to claim 1, which is characterized in that: the left end and the right end of the X-direction supporting rod are respectively screwed with an adjusting screw rod, the turning directions of the left adjusting screw rod and the right adjusting screw rod are opposite, and the outer end heads of the left adjusting screw rod and the right adjusting screw rod are respectively provided with a hexagonal head or a square tenon.

3. The anti-falling safety device for the operation on the top surface of the reduction gearbox of the pumping unit according to claim 1, which is characterized in that: the middle section welding of Z to the grafting pole has the middle part link that can hang the safety belt.

4. The anti-falling safety device for the operation on the top surface of the reduction gearbox of the pumping unit according to claim 1, 2 or 3, which is characterized in that: the middle sections of the two Z-direction socket pipes are respectively provided with socket pipe positioning holes which are communicated along the Y direction, the outer ports of the socket pipe positioning holes are respectively welded with positioning nuts, positioning screws are respectively screwed in the two positioning nuts, and the inner ends of the two positioning screws respectively abut against the front side wall and the rear side wall of the reduction gearbox of the pumping unit.

5. The anti-falling safety device for the operation on the top surface of the reduction gearbox of the pumping unit according to claim 4, is characterized in that: and locking nuts are respectively welded on the side walls of the upper parts of the Z-direction socket pipes, locking screws are respectively screwed in the locking nuts, and the inner ends of the locking screws are respectively tightly propped against the side walls of the Z-direction insertion rods.