CN210013689U

CN210013689U - Star-shaped compound motion wax breaking device

Info

Publication number: CN210013689U
Application number: CN201920477253.6U
Authority: CN
Inventors: 武佳楠; 张斌; 李哲
Original assignee: Daqing Hongbo Shengda Petroleum Machinery Equipment Co Ltd
Current assignee: Daqing Hongbo Shengda Petroleum Machinery Equipment Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-02-04
Anticipated expiration: 2029-04-10

Abstract

The utility model belongs to the technical field of oil field pumping unit polish rod cleaning, in particular to a star-shaped compound motion wax breaking device, which comprises a wax breaking device main body, a wear-resistant brush component, a planetary transmission mechanism and a hydraulic motor; the wax breaking device main part include flange, lower connection base, inner skleeve and outer sleeve, the outer sleeve outside and coaxial with the inner skleeve of outer sleeve, leave annular space between outer sleeve and the inner skleeve, planetary transmission set up in annular space, planetary transmission includes annular planet carrier, planetary gear axle and outer ring gear, planetary gear axle and planetary gear pass through the key-type connection, and then can transmit rotary motion, wear-resisting brush subassembly total three group be connected with the upper portion of three planetary gear axle respectively, and then under the drive of planetary gear axle, wear-resisting brush subassembly encircles the polished rod revolution, and self rotation realizes smashing the great long-pending wax ball in polished rod surface simultaneously.

Description

Star-shaped compound motion wax breaking device

Technical Field

The utility model belongs to the technical field of the oil field beam-pumping unit polished rod washs, especially, relate to a star compound motion wax breaking device.

Background

After a polished rod of an oil pumping unit in an oil field is used for a period of time, dirt and wax accumulated on the polished rod are very serious, the polished rod is taken out and discharged on a liquid collecting pool on a construction site, an operator sprays the polished rod by steam to melt wax deposition and accumulated dirt on the polished rod, the polished rod is manually cleaned, and the washed oil dirt and wax accumulated enter the liquid collecting pool and are discharged through a liquid discharge pipe. The method has the serious problems of well mouth pollution, steam scald and the like. Therefore, the old method is gradually replaced, the method in the prior art is that a steam cleaning device is usually installed at a wellhead, when a polished rod is lifted up, through steam cleaning, dirt wax deposit falls back into a well, and although the problems of polluting the wellhead and steam scalding are solved by the common steam cleaning device, the larger wax deposit on the polished rod cannot be fully melted by the common steam cleaning device, so that the cleaning effect is not ideal.

SUMMERY OF THE UTILITY MODEL

For solving the problem that great long-pending wax group can not fully melt on the polished rod among the background art, the utility model provides a star compound motion wax breaking device, the utility model discloses the effect of smashing great long-pending wax group is showing.

The utility model provides a technical scheme is: a star-shaped compound motion wax breaking device comprises a wax breaking device main body, a wear-resistant brush assembly, a planetary transmission mechanism and a hydraulic motor; the wax crushing device main body comprises an upper connecting flange, a lower connecting base, an inner sleeve and an outer sleeve, the outer sleeve is sleeved outside the inner sleeve and is coaxial with the inner sleeve, an annular space is reserved between the outer sleeve and the inner sleeve, the lower ends of the inner sleeve and the outer sleeve are fixedly connected to the lower connecting base, and the outer side of the upper end of the outer sleeve is fixedly connected to the upper connecting flange; the planetary transmission mechanism is arranged in the annular space and comprises a wheel-shaped planetary gear carrier, three planetary gears, three planetary gear shafts and an outer gear ring, each planetary gear is connected with the planetary gear carrier through one planetary gear shaft, the planetary gear shafts are in clearance fit with the planetary gear carrier, the planetary gear shafts are in key connection with the planetary gears and can further transmit rotary motion, the planetary gears are mutually meshed with the outer gear ring, the outer gear ring is static and does not move, power is input from the planetary gear carrier, and the planetary gear carrier drives the planetary gears to revolve around an inner sleeve in the outer gear ring through the planetary gear shafts and the planetary gears rotate; an output shaft of the hydraulic motor is connected with a transmission gear through a key, and the transmission gear drives a planetary gear carrier to rotate; the total three groups of wear-resisting brush subassembly, the suit is respectively at three planetary gear axle upper portion and through nut locking, wear-resisting brush subassembly position is located the inner skleeve top, wear-resisting brush subassembly include the fixed cover of silk brush, microscler wear-resisting silk, compress tightly the pad, silk brush gland and locking commentaries on classics cover, wear-resisting silk and compress tightly the pad interval and install in the fixed cover of silk brush and compress tightly through the silk brush gland, the both ends of wear-resisting silk stretch out outside the fixed cover of silk brush, the silk brush gland passes through countersunk screw fastening and sheathes in the fixed cover of silk brush, locking commentaries on classics cover connect at the fixed cover lower extreme of silk brush, planetary gear axle and locking commentaries on classics between overlap through the key-type connection, and then.

The upper end of the outer gear ring is provided with an antifouling check ring; the wear-resistant wire is made of high-temperature-resistant and wear-resistant polyurethane material; the lengths of the two ends of the wear-resistant wires extending out of the wire brush fixing sleeve are equal.

The utility model has the advantages that:

1. this device planetary drive mechanism drives wear-resisting brush subassembly and rotates, can smash or smash the long-pending wax on the polished rod to furthest to guarantee that the polished rod does not have the existence of great long-pending wax ball, be favorable to guaranteeing that long-pending wax on the polished rod can be fully melted by steam cleaning device.

2. The wear-resistant wire in the device is made of high-temperature-resistant and wear-resistant polyurethane materials, and when the wear-resistant wire is in polishing contact with a polished rod, sparks cannot be produced, so that safety accidents are avoided.

3. The structural design of the wear-resistant wire in the device has the function of preventing the forward and reverse brushes from falling off, and the replacement is convenient and fast.

Drawings

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

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a plan view of the present invention.

Fig. 4 is a schematic structural view of the middle wear-resistant brush assembly of the present invention.

In the figure: 1-upper connecting flange, 2-lower connecting base, 3-hydraulic motor, 4-inner sleeve, 5-outer sleeve, 6-transmission gear, 7-planet gear rack, 8-anti-loose rotating sleeve, 9-planet gear shaft, 10-planet gear, 11-outer gear ring, 12-antifouling check ring, 13-wear-resistant wire, 14-wire brush press cover, 15-wire brush fixing sleeve and 16-pressing pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment comprises a wax crushing device main body, a wear-resistant brush component, a planetary transmission mechanism and a hydraulic motor 3; broken wax device main part include flange 1, connect base 2, inner skleeve 4 and outer sleeve 5 down, outer sleeve 5 cover in inner skleeve 4 outside and coaxial with inner skleeve 4, inner skleeve 4 main function is the holding polished rod, leaves annular space between outer sleeve 5 and the inner skleeve 4, the equal rigid coupling of lower extreme of inner skleeve 4 and outer sleeve 5 is on connecting base 2 down, connect base 2 and well head under during the use and be connected, the polished rod that comes out from the well head passes in the inner skleeve 4 of this device. The upper end of annular space is opened, and in order to make things convenient for the installation of planetary drive mechanism and wear-resisting brush subassembly, the upper end outside and the upper flange 1 rigid coupling of outer sleeve 5, and upper flange 1 is connected with steam cleaning device during the use, and this device can not the solitary completion to the thorough cleaning of polished rod, and this device mainly used smashes or smashes great deposition wax ball, allows a small amount of deposition wax to adhere to on the polished rod wall.

The planetary transmission mechanism is arranged in the annular space and comprises a wheel-shaped planetary gear carrier 7, three planetary gears 10, planetary gear shafts 9 and an outer gear ring 11, wherein each planetary gear 10 and each planetary gear shaft 9 are respectively connected with the planetary gear carrier 7 through one planetary gear shaft 9, the planetary gear shafts 9 are in clearance fit with the planetary gear carrier 7, the planetary gear shafts 9 are in key connection with the planetary gears 10 through keys and can further transmit rotary motion, namely the planetary gears 10 rotate to drive the planetary gear shafts 9 to rotate, the inner sleeve 4 serves as a 'sun gear', but the inner sleeve 4 is not in meshing relation with the planetary gears 10, a polished rod passes through the revolution 4, the planetary gears 10 and the outer gear ring 11 are meshed with each other, the outer gear ring 11 is static, power is input from the planetary gear carrier 7, the planetary gear carrier 7 drives the planetary gears 10 to surround the inner sleeve 4 in the outer gear ring 11 through the planetary gear shafts 9 and further drives the inner sleeve 4 to rotate and and the planetary gear 10 rotates.

The hydraulic motor 3 is a power source of the planetary transmission mechanism, a transmission gear 6 is connected to an output shaft of the hydraulic motor 3 through a key, and the transmission gear 6 drives a planetary gear carrier 7 to rotate.

The three groups of wear-resistant brush assemblies are respectively sleeved on the upper parts of the three planetary gear shafts 9 and locked through nuts, the positions of the wear-resistant brush assemblies are located above the inner sleeve 4, so that the rotating wear-resistant brush assemblies can act on a polished rod, each wear-resistant brush assembly comprises a wire brush fixing sleeve 15, long wear-resistant wires 13, a pressing pad 16, a wire brush pressing cover 14 and a locking rotating sleeve 8, the wear-resistant wires 13 and the pressing pads 16 are installed in the wire brush fixing sleeve 15 at intervals and are pressed through the wire brush pressing cover 14, and the wear-resistant wires 13 and the pressing pads 16 are arranged at intervals to enhance the pressing quality and avoid the possibility that the wear-resistant wires 13 are separated from the wire brush fixing sleeve 15 due to insecure fixation. The two ends of the wear-resistant wires 13 extend out of the wire brush fixing sleeve 15 and directly act on the outer wall of the polish rod. The wire brush gland 14 is fastened on the wire brush fixing sleeve 15 through a countersunk screw, the anti-loosening rotating sleeve 8 is connected at the lower end of the wire brush fixing sleeve 15, the planetary gear shaft 9 and the anti-loosening rotating sleeve 8 are connected through key, and then the rotating motion can be transmitted to the wear-resistant brush assembly.

The whole power transmission process of the device is as follows: the hydraulic motor 3 provides a power source to drive the wheel-shaped planet gear carrier 7 to rotate, and then the planet gear 10 is driven to revolve around the inner sleeve 4 and the polished rod, because the outer gear ring 11 is not moved, the planet gear 10 revolves while rotating, and then the planet gear 9 drives the wear-resistant brush assembly to revolve around the polished rod, and simultaneously the wear-resistant brush assembly rotates, so that the two ends of the wear-resistant wire 13 crush large accumulated wax lumps on the polished rod. The planetary transmission mechanism of the device drives the wear-resistant brush assembly to rotate, and wax on the polished rod can be smashed or mashed to the maximum extent, so that the wax on the polished rod can be fully melted by steam.

The upper end of the outer gear ring 11 is provided with an antifouling check ring 12, so that impurities such as oil stains are prevented from entering the interior of the planetary transmission mechanism, and damage to parts of the planetary transmission mechanism is avoided, and mechanical failure is caused.

The wear-resistant wire 13 is made of high-temperature-resistant and wear-resistant polyurethane materials, and when the wear-resistant wire is in polishing contact with a polish rod, sparks cannot be produced, so that safety accidents are avoided.

The lengths of the two ends of the wear-resistant wires 13 extending out of the wire brush fixing sleeve 15 are equal, and the design has the function of preventing the forward and reverse wear-resistant wires 13 from falling off on one hand; on the other hand, the grinding effect of the two ends of the wear-resistant wires 13 on the accumulated wax lumps on the polished rod is ensured to be consistent, and the condition that one end of the wear-resistant wires 13 is swept in an empty mode is avoided; meanwhile, the vibration and abrasion of the shaft system of the planet gear shaft 9 caused by the unbalanced weight of the two ends of the wear-resistant wires 13 are avoided.

Claims

1. The utility model provides a star compound motion wax breaking device which characterized in that: comprises a wax crushing device main body, a wear-resistant brush component, a planetary transmission mechanism and a hydraulic motor (3); the wax crushing device main body comprises an upper connecting flange (1), a lower connecting base (2), an inner sleeve (4) and an outer sleeve (5), the outer sleeve (5) is sleeved outside the inner sleeve (4) and coaxial with the inner sleeve (4), an annular space is reserved between the outer sleeve (5) and the inner sleeve (4), the lower ends of the inner sleeve (4) and the outer sleeve (5) are fixedly connected onto the lower connecting base (2), and the outer side of the upper end of the outer sleeve (5) is fixedly connected with the upper connecting flange (1); the planetary transmission mechanism is arranged in the annular space and comprises a wheel-shaped planetary gear carrier (7), a planetary gear (10), a planetary gear shaft (9) and an outer gear ring (11), the number of the planet gears (10) and the number of the planet gear shafts (9) are respectively three, each planet gear (10) is connected with the planet gear carrier (7) through one planet gear shaft (9), the planet gear shafts (9) are in clearance fit with the planet gear carrier (7), the planet gear shafts (9) are in key connection with the planet gears (10), the planetary gear (10) is meshed with the outer gear ring (11), the outer gear ring (11) is stationary, power is input from the planetary gear carrier (7), the planetary gear carrier (7) drives the planetary gear (10) to revolve around the inner sleeve (4) in the outer gear ring (11) through the planetary gear shaft (9), and the planetary gear (10) rotates; an output shaft of the hydraulic motor (3) is connected with a transmission gear (6) through a key, and the transmission gear (6) drives a planetary gear carrier (7) to rotate; the three groups of wear-resistant brush components are respectively sleeved on the upper parts of the three planetary gear shafts (9) and locked by nuts, the position of the wear-resistant brush component is positioned above the inner sleeve (4), the wear-resistant brush component comprises a wire brush fixing sleeve (15), long wear-resistant wires (13), a pressing pad (16), a wire brush pressing cover (14) and a locking rotary sleeve (8), the wear-resistant wires (13) and the pressing pads (16) are arranged in the wire brush fixing sleeve (15) at intervals and are pressed tightly through the wire brush pressing cover (14), two ends of the wear-resistant wires (13) extend out of the wire brush fixing sleeve (15), the wire brush pressing cover (14) is fastened on the wire brush fixing sleeve (15) through countersunk screws, locking commentaries on classics cover (8) connect in the fixed cover of silk brush (15) lower extreme, planetary gear axle (9) and locking commentaries on classics cover (8) between pass through the key-type connection, and then can transmit rotary motion for wear-resisting brush subassembly.

2. The star compound motion wax breaking device as claimed in claim 1, wherein: and an antifouling check ring (12) is arranged at the upper end of the outer gear ring (11).

3. The star compound motion wax breaking device as claimed in claim 1, wherein: the wear-resistant wire (13) is made of high-temperature-resistant and wear-resistant polyurethane materials.

4. The star compound motion wax breaking device as claimed in claim 1, wherein: the lengths of the two ends of the wear-resistant wires (13) extending out of the wire brush fixing sleeve (15) are equal.