CN217538626U

CN217538626U - Novel pipe rod conveyor

Info

Publication number: CN217538626U
Application number: CN202221241038.4U
Authority: CN
Inventors: 赵立伟; 翟惠宁; 徐建业; 李学君; 刘超; 崔建武
Original assignee: Shandong Ryo Intelligent Equipment Co ltd
Current assignee: Shandong Ryo Intelligent Equipment Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-04
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to an oil field minor workover operation equipment, in particular to novel pipe pole conveyer. The technical scheme is as follows: the utility model discloses a conveying track's one end installation can be along the pusher that second grade delivery arm removed, pusher promotes the one end that is located second grade delivery arm upside, at second grade delivery arm's other end installation pipe pole support, and the lower extreme swing joint that lifts the arm is on the base, install the second grade delivery arm that can follow delivery track removal on the delivery track, the one end installation of second grade delivery arm can be along the pusher that second grade delivery arm removed, pusher promotes the one end that is located second grade delivery arm upside. The beneficial effects are that: the second-stage conveying arm is provided with a pushing device which can push the pipe rod to the minor repair platform along the second-stage conveying arm, so that the pipe rod can be lifted and lowered better in minor repair operation; in addition, the follow-up trolley is additionally arranged on the second-stage conveying arm, and when the pipe rod is lifted or lowered, the follow-up trolley moves along with the pipe rod on the second-stage conveying arm, so that the abrasion of the screw thread at the end part of the pipe rod can be reduced, and the service life of the pipe rod is prolonged.

Description

Novel pipe rod conveyor

Technical Field

The utility model relates to an oil field minor workover equipment, in particular to novel pipe pole conveyer.

Background

The oil field minor repair operation mainly comprises the steps of lifting or lowering a sucker rod and various types of oil pipes, when the traditional minor repair operation is used for lowering the oil pipes into a well, the front end of the oil pipe needs to be manually lifted to an oil pipe stool and lifted by a lifting clamp, and when the oil pipe is lifted from the well, the oil pipe needs to be manually pushed away from the well mouth and placed on the oil pipe stool. However, because of the great safety risk of manual operation, the operator is easy to have accidents that the pipe pole hurts people, and the labor intensity is great, and in order to reduce the labor intensity of workers and improve the operation safety, the pipe pole conveyor is used to replace manual operation in many places in the oil field. The Chinese patent No. CN202220083023.3 filed by the company has a patent name of gantry type ground pipe arrangement, and comprises a gantry assembly, a cofferdam welding assembly and folding rails, wherein the folding rails are respectively arranged at two ends of the cofferdam welding assembly, the gantry assembly is arranged between the two folding rails, a traveling driving mechanism drives a chain wheel to rotate to realize the movement of the gantry assembly, a transverse moving driving mechanism is arranged in the middle of a gantry, one side of the transverse moving driving mechanism is connected with a lifting driving mechanism, an electromagnet is arranged at the bottom of the lifting driving mechanism, and the suction fixation or release of an oil pipe is realized by switching on and off the electromagnet. A pipe conveyor is needed to convey oil pipes or sucker rods to a minor repair work platform.

After retrieval, the Chinese patent publication number is CN202010438889.7, the patent name is 'a pipe rod conveyor', the feeding clamping mechanism is used for clamping a pipe column and/or a sucker rod, and conveying the pipe column and/or the sucker rod into the pulley clamping mechanism for clamping; the lifting mechanism is arranged on the track transfer mechanism, so that the lifting mechanism can advance and increase the height at the same time; the pulley mechanism is arranged in a sliding chute of the lifting mechanism and moves in the sliding chute along the horizontal direction; the pulley clamping mechanism is arranged in the pulley mechanism, so that the pulley clamping mechanism can drive the pipe column and/or the sucker rod clamped on the pulley clamping mechanism to move along the horizontal direction through the movement of the pulley mechanism in the horizontal direction. The pipe conveyor can realize the conveying of the sucker rods. But it has problems that: the pipe column and/or the sucker rod are conveyed into the conveyor from the oil pipe frame by adopting the feeding clamping hook consisting of the first hook and the second hook and pushing the feeding clamping hook to clamp the pipe column and/or the sucker rod by utilizing the clamping hydraulic cylinder, and the pipe column and/or the sucker rod is conveyed into the conveyor from the lifting mechanism and the pulley mechanism after rotating.

The Chinese patent No. CN201220358988.5, named as workover operation pipe rod conveyor, comprises a frame assembly, a lifting mechanism, a main slideway assembly, a lifting hydraulic cylinder, a two-section telescopic mechanism, a conveyed pipe, a pipe rod transition bridge, a pipe bent frame and the like. One end of a section of lifting mechanism is arranged on the frame assembly, the other end of the lifting mechanism is arranged with the frame assembly through a lifting hydraulic cylinder, supporting legs are arranged at two ends of the frame assembly, the blanking frame and the rotating arm assembly are arranged at two sides of the frame assembly, the feeding frame is arranged at the upper part of the blanking frame, and the pipe rod transition bridge is arranged at the left side or the right side of the frame assembly; the main slideway assembly is sequentially arranged with the slideway overturning seat and the two sections of telescopic mechanisms, and the two sections of telescopic mechanisms are arranged in the one section of lifting mechanism; and a PLC programmable control device is arranged in the hydraulic station assembly and used for controlling the automatic operation of a hydraulic pipeline and electrical equipment of the whole machine. It has the problems that: the pipe rod is sent into the main slide assembly in a side overturning mode, the feeding frame and the discharging frame are arranged, the two sections of telescopic mechanisms drive the slide overturning seats, the main slide assembly and the oil pipe to extend out of the lifting mechanism under the action of the telescopic hydraulic cylinders, the front end of the oil pipe is sent into the proper position of the drill floor, the feeding process is completed, and the pipe rod feeding device is complex in structure and not suitable for the working scene of a gantry type ground pipe arranging device.

Chinese patent No. CN201921026789.2, entitled "a pipe rod conveying device", includes the frame, rises support, a drive mechanism, a bracket, a V-shaped groove, a turnover mechanism and a pipe jacking mechanism soon, a drive mechanism bottom fixed connection in the frame, a drive mechanism's top with rise the support soon and connect, rise support one end soon with the corresponding end of frame is articulated, be provided with the slide on rising the support soon, in set up on the slide the bracket, in set up on the bracket turnover mechanism with the V-shaped groove, V-shaped groove both sides limit is passed through turnover mechanism with bracket connection, pipe jacking mechanism lower extreme with the frame is connected, and is located the below of V-shaped groove. The conveying device adopts the turnover mechanism and the pipe jacking mechanism, the convenience of left and right working condition switching is ensured, the pipe jacking mechanism is adopted to place pipe rods into the V-shaped grooves, the turnover and straightening steps of the V-shaped grooves are saved, the efficient pipe rod pulling and running operation is realized, the labor intensity of workers is effectively reduced, and the drilling and well repairing efficiency is improved. It has the problems that: is also not suitable for the working scene with a gantry type ground pipe arrangement device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel pipe rod conveyor, which is additionally provided with a second-stage conveying arm, and a pushing device is arranged on the second-stage conveying arm, so that the pipe rod can be continuously pushed to a minor repair platform along the second-stage conveying arm; in addition, the additional follow-up trolley can reduce the abrasion of the screw threads at the end part of the pipe rod, and the service life of the pipe rod is prolonged.

The utility model provides a novel pipe pole conveyer, its technical scheme is: including base, delivery track, play to rise the hydro-cylinder, the one end swing joint delivery track of base is equipped with in delivery track's below and plays to rise the hydro-cylinder, wherein, still including lifting arm, pusher, second grade delivery arm, pipe pole support, delivery track's downside still be equipped with lifting arm, lifting arm's lower extreme swing joint on the base, install the second grade delivery arm that can follow delivery track removal on the delivery track, the one end installation of second grade delivery arm can be along the pusher that second grade delivery arm removed, pusher promotes the pipe pole that is located second grade delivery arm upside, carries the other end installation pipe pole support of arm at the second grade.

Preferably, a follow-up trolley is arranged on one side of the pushing device, and the follow-up trolley moves along the secondary conveying arm.

Preferably, the pushing device comprises a pushing device main body, rollers, an oil cylinder connecting plate and wear-resistant plates, the rollers are arranged on two sides of the pushing device main body, the oil cylinder connecting plate is arranged at the bottom of the pushing device main body, and the wear-resistant plates are arranged on the inner side of the upper portion of the pushing device main body.

Preferably, a damper is installed at a rear end of the conveying rail.

Preferably, the other end of the base is provided with a spring for damping contact with the conveying track.

Preferably, the second-stage conveying arm comprises a second-stage conveying arm main body, a left sand washing pipe guide groove, conveying arm rollers and a right sand washing pipe guide groove, the left sand washing pipe guide groove and the right sand washing pipe guide groove are respectively arranged on two sides of the upper portion of the second-stage conveying arm main body, and the plurality of conveying arm rollers are respectively arranged on two sides of the lower portion of the second-stage conveying arm main body.

Preferably, the lower end of the pipe rod support is fixedly connected to the end of the secondary conveying arm, and the upper end of the pipe rod support is of a V-shaped structure.

Preferably, the follow-up trolley comprises a trolley main body, a supporting wall, a limiting pulley, a supporting pulley, auxiliary pulleys and a connecting rod, wherein the supporting wall is arranged at the rear end of the trolley main body, the upper part of the trolley main body is of an open structure, the front end of the trolley main body is connected with the limiting pulley through the connecting rod, the supporting pulleys are arranged on two sides of the trolley main body, and the auxiliary pulleys are arranged on the lower sides of the supporting pulleys.

Preferably, the supporting wall is provided with a groove, two sides of the trolley main body are respectively provided with an extended trolley wing, and the open structure at the upper part of the trolley main body and the inner side of the supporting wall are respectively provided with a wear-resistant protection plate.

Preferably, a mechanical maintenance rod is arranged at one end of the base, which is close to the lifting oil cylinder.

The utility model has the advantages that: the utility model is suitable for a job scene of planer-type ground calandria device, planer-type ground calandria device can send the tube pole to the utility model discloses a second grade delivery arm from the ground, perhaps, send the tube pole on the second grade delivery arm of the utility model to the ground; in addition, the pushing device is arranged on the secondary conveying arm, so that the pipe rod can be continuously pushed to the minor repair platform along the secondary conveying arm, and the pipe rod can be better lifted and lowered in minor repair operation; in addition, the follow-up trolley is additionally arranged on the second-stage conveying arm, and when the pipe rod is lifted up or lowered down, the follow-up trolley moves along with the pipe rod on the second-stage conveying arm, so that the abrasion of the screw thread at the end part of the pipe rod can be reduced, and the service life of the pipe rod is prolonged; in addition, the end of the base is provided with a spring for contacting with the conveying track to absorb shock, so that the shock absorption effect is achieved.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of the present invention in use;

fig. 2 is a schematic structural view of embodiment 2 of the present invention in use;

FIG. 3 is a schematic view of the structure of a secondary transport arm in example 1;

FIG. 4 is a schematic view of another angle of the secondary transport arm;

FIG. 5 is a schematic diagram of a pushing device;

FIG. 6 is a schematic view of the structure of a secondary transport arm in example 2;

FIG. 7 is a schematic structural view of the follow-up carriage;

in the upper diagram: a base 1, a lifting arm 2, a conveying track 3, a damper 4, a pushing device 5, a follow-up trolley 6, a secondary conveying arm 7, a pipe rod support 8, a lifting oil cylinder 9, a spring 10 and a mechanical maintenance rod 11,

the device comprises a pushing device main body 5.1, rollers 5.2, an oil cylinder connecting plate 5.3, an abrasion-resistant plate 5.4, a trolley main body 6.1, trolley flanks 6.2, supporting walls 6.3, limiting pulleys 6.4, supporting pulleys 6.5, auxiliary pulleys 6.6, connecting rods 6.7, grooves 6.8, a secondary conveying arm main body 7.1, a left sand washing pipe guide groove 7.2, conveying arm rollers 7.3, a right sand washing pipe guide groove 7.4, an air cylinder 7.5, a steel wire rope 7.6, a chain 7.7, a pushing oil cylinder 7.8 and an oil cylinder pin 7.9.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Embodiment 1, refer to fig. 1, the utility model provides a novel pipe pole conveyer, its technical scheme is: including base 1, delivery track 3, play to rise hydro-cylinder 9, the one end swing joint delivery track 3 of base 1 is equipped with in delivery track 3's below and plays to rise hydro-cylinder 9, wherein, still includes lift arm 2, pusher 5, second grade delivery arm 7, pipe pole support 8, delivery track 3's downside still be equipped with lift arm 2, lift arm 2's lower extreme swing joint on base 1, install the second grade delivery arm 7 that can follow delivery track 3 and remove on delivery track 3, the one end installation of second grade delivery arm 7 can be along the pusher 5 that second grade delivery arm 7 removed, pusher 5 promotes the pipe pole that is located second grade delivery arm 7 upside, at second grade delivery arm 7's the other end installation pipe pole support 8.

Referring to fig. 5, the utility model discloses a pusher 5 includes pusher main part 5.1, gyro wheel 5.2, hydro-cylinder connecting plate 5.3, antifriction plate 5.4, pusher main part 5.1's both sides are equipped with gyro wheel 5.2, and the bottom is equipped with hydro-cylinder connecting plate 5.3, drives pusher through connecting the hydro-cylinder, at pusher main part 5.1's upper portion inboard installation antifriction plate 5.4, plays and carries out the effect of propelling movement to the tubular pole.

Wherein, the rear end of the conveying track 3 is provided with a damper 4. The secondary conveyor arm 7 acts as a buffer when retracted, but it may also be a conventional structure known to those skilled in the art, such as a wear plate, which has a buffer effect, but in practical applications, the noise buffer effect is weak, and the noise is loud when the secondary conveyor arm is retracted.

In addition, the other end of the base 1 is provided with a spring 10 for damping contact with the conveying track 3, so as to play a role of buffering and damping.

Referring to fig. 3, the second-stage conveying arm 7 of the present invention comprises a second-stage conveying arm main body 7.1, a left sand washing pipe guide groove 7.2, a conveying arm roller 7.3, and a right sand washing pipe guide groove 7.4, wherein the left sand washing pipe guide groove 7.2 and the right sand washing pipe guide groove 7.4 are respectively arranged on both sides of the upper portion of the second-stage conveying arm main body 7.1, and an oil pipe can be placed during sand washing operation; in addition, a plurality of conveying arm rollers 7.3 are respectively installed on both sides of the lower portion of the secondary conveying arm main body 7.1.

Referring to fig. 1, the lower end of the pipe rod support 8 is fixedly connected to the end of the secondary conveying arm 7, and the upper end of the pipe rod support 8 is of a V-shaped structure, so that the front end of the pipe rod can be limited.

Wherein, the mechanical maintenance pole 11 is installed to the one end that is close to the lift cylinder of above-mentioned base 1, plays the supporting role on the one hand, can maintain or the effect of changing the lift cylinder.

Referring to fig. 4, the secondary conveying arm 7 extends and retracts the secondary conveying arm 7 through a chain 7.7, but the extension and retraction can be realized by a conventional technology well known to those skilled in the art; the pushing device 5 can also realize pushing by adopting conventional technology known by persons skilled in the art, and is not limited to the scheme described in embodiment 1.

When the utility model is used, when the pipe rod is put down underground by the small maintenance platform, the conveying track 3 is in a horizontal state, the second-stage conveying arm 7 is also in a contraction state, at the moment, the gantry type ground pipe arranging device sends the pipe rod on the ground to the track on the upper surface of the second-stage conveying arm 7, then the lifting oil cylinder 9 is started to lift, the lifting arm is driven to lift one end of the conveying track 3 together, then the second-stage conveying arm 7 extends forwards along the conveying track 3, and the conveying track stops after reaching the position; waiting for the driller of the minor repair platform to operate, then pushing the pipe rod to continue to extend forwards along the secondary conveying arm 7 through the pushing device 5, fixing and lifting the pipe rod by the driller operating the minor repair platform, sending the pipe rod into the underground to finish the lowering operation of one pipe rod, and continuing to perform circulating operation; the operation of lifting the pipe rod is opposite and is not described in detail.

Embodiment 2, refer to fig. 2, the utility model provides a novel pipe pole conveyer, its technical scheme is: including base 1, delivery track 3, play to rise hydro-cylinder 9, the one end swing joint delivery track 3 of base 1 is equipped with in delivery track 3's below and plays to rise hydro-cylinder 9, wherein, still includes lift arm 2, pusher 5, second grade delivery arm 7, pipe pole support 8, delivery track 3's downside still be equipped with lift arm 2, lift arm 2's lower extreme swing joint on base 1, install the second grade delivery arm 7 that can follow delivery track 3 and remove on delivery track 3, the one end installation of second grade delivery arm 7 can be along the pusher 5 that second grade delivery arm 7 removed, pusher 5 promotes the pipe pole that is located second grade delivery arm 7 upside, at second grade delivery arm 7's the other end installation pipe pole support 8.

The difference from the embodiment 1 is that:

referring to fig. 6, a follower carriage 6 is installed on one side of the pusher 5 of the secondary transport arm 7, and the follower carriage 6 can move back and forth along the secondary transport arm 7.

Referring to fig. 7, the utility model discloses a follow-up trolley 6 includes dolly main part 6.1, support wall 6.3, spacing pulley 6.4, supporting pulley 6.5, auxiliary pulley 6.6, connecting rod 6.7, dolly main part 6.1's rear end is equipped with support wall 6.3, and upper portion is for opening the structure, and the front end passes through connecting rod 6.7 and connects spacing pulley 6.4, is equipped with supporting pulley 6.5 in dolly main part 6.1's both sides, and supporting pulley 6.5's downside is equipped with auxiliary pulley 6.6.

It should be noted that: an air cylinder 7.5 and a steel wire rope 7.6 are arranged in the secondary conveying arm 7, the follow-up trolley 6 is connected through the steel wire rope 7.6, and the other end of the steel wire rope 7.6 is connected with the air cylinder 7.5, of course, the drive of the follow-up trolley 6 can also be realized by adopting the conventional technology well known by the technical personnel in the field, and the drive structure is not limited to the drive structure described in the embodiment 2.

When the utility model is used, when the pipe rod is put down to the underground by the small maintenance platform, the conveying track 3 is in a horizontal state, the second-stage conveying arm 7 is also in a contraction state, at the moment, the pipe arranging machine puts a pipe rod on the track on the upper surface of the second-stage conveying arm 7, then the lifting oil cylinder 9 is started to lift, the lifting arm is driven to lift one end of the conveying track 3 together, then the second-stage conveying arm 7 extends forwards along the conveying track 3, and the pipe rod stops after reaching the position; waiting for the driller of the minor repair platform to operate, then pushing the pipe rod to continue to extend forwards along the secondary conveying arm 7 through the pushing device 5, fixing and lifting the pipe rod by the driller operating minor repair platform, wherein the end part of the pipe rod can be contacted and clamped with the open structure at the upper part of the follow-up trolley 6, and then driving the follow-up trolley 6 to move along the guide rail of the secondary conveying arm 7, so that the pipe rod is prevented from being directly in mechanical contact with the slide way on the upper surface of the secondary conveying arm 7, hard-to-hard friction is avoided, the pipe rod is conveyed into the well to finish the lowering operation of one pipe rod, and the circular operation is continued; the operation of the pipe lifting rod lifting operation is opposite and is not described in detail.

Embodiment 3, the utility model provides a novel pipe pole conveyer, its technical scheme is: including base 1, delivery track 3, play to rise hydro-cylinder 9, the one end swing joint delivery track 3 of base 1 is equipped with in delivery track 3's below and plays to rise hydro-cylinder 9, wherein, still includes lift arm 2, pusher 5, second grade delivery arm 7, pipe pole support 8, delivery track 3's downside still be equipped with lift arm 2, lift arm 2's lower extreme swing joint on base 1, install the second grade delivery arm 7 that can follow delivery track 3 and remove on delivery track 3, the one end installation of second grade delivery arm 7 can be along the pusher 5 that second grade delivery arm 7 removed, pusher 5 promotes the pipe pole that is located second grade delivery arm 7 upside, at second grade delivery arm 7's the other end installation pipe pole support 8. A follow-up trolley 6 is arranged on one side of the pushing device 5 of the secondary conveying arm 7, and the follow-up trolley 6 can move back and forth along the secondary conveying arm 7.

The difference from the embodiment 2 is that:

referring to fig. 7, a groove 6.8 is formed on a supporting wall 6.3 of the follow-up trolley 6, and may be of a V-shaped structure or an arc-shaped structure, so as to limit the pipe rod, two sides of the trolley main body 6.1 are respectively provided with extended trolley flanks 6.2, so as to increase the area, wear protection plates are respectively arranged at the open structure of the upper portion of the trolley main body 6.1 and inside the supporting wall 6.3, so as to further protect the screw threads at the end of the pipe rod, and the wear protection plates may be made of conventional materials well known to those skilled in the art, and will not be described in detail. The wear-resistant protection plate can further avoid the direct contact of the pipe rod with the open structure on the upper part of the trolley main body 6.1, and has better protection effect on the screw thread of the pipe rod.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent changes made according to the technical solution of the present invention belong to the scope of the present invention as far as possible.

Claims

1. The utility model provides a novel pipe pole conveyer, includes base (1), delivery track (3), plays to rise hydro-cylinder (9), the one end swing joint delivery track (3) of base (1) is equipped with in the below of delivery track (3) and plays to rise hydro-cylinder (9), characterized by: still include lifting arm (2), pusher (5), second grade transport arm (7), pipe pole support (8), the downside of delivery track (3) still be equipped with lifting arm (2), the lower extreme swing joint of lifting arm (2) is on base (1), install second grade transport arm (7) that can follow delivery track (3) and remove on delivery track (3), pusher (5) that the one end installation of second grade transport arm (7) can be removed along second grade transport arm (7), pusher (5) promote the pipe pole that is located second grade transport arm (7) upside, at the other end installation pipe pole support (8) of second grade transport arm (7).

2. The new pipe stick conveyor of claim 1, wherein: a follow-up trolley (6) is arranged on one side of the pushing device (5), and the follow-up trolley (6) moves along the secondary conveying arm (7).

3. The new pipe stick conveyor of claim 1 or 2, wherein: pusher (5) including pusher main part (5.1), gyro wheel (5.2), hydro-cylinder connecting plate (5.3), antifriction plate (5.4), the both sides of pusher main part (5.1) are equipped with gyro wheel (5.2), and the bottom is equipped with hydro-cylinder connecting plate (5.3), at the inboard antifriction plate (5.4) of installing in the upper portion of pusher main part (5.1).

4. The new pipe stick conveyor of claim 3, wherein: and a damper (4) is arranged at the rear end of the conveying track (3).

5. The new pipe stick conveyor of claim 4, wherein: and a spring (10) for contacting and damping the conveying track (3) is arranged at the other end of the base (1).

6. The new pipe stick conveyor of claim 4, wherein: the secondary conveying arm (7) comprises a secondary conveying arm main body (7.1), a left sand washing pipe guide groove (7.2), conveying arm rollers (7.3) and a right sand washing pipe guide groove (7.4), wherein the left sand washing pipe guide groove (7.2) and the right sand washing pipe guide groove (7.4) are respectively arranged on two sides of the upper portion of the secondary conveying arm main body (7.1), and a plurality of conveying arm rollers (7.3) are respectively arranged on two sides of the lower portion of the secondary conveying arm main body (7.1).

7. The new pipe stick conveyor of claim 6, wherein: the lower end of the pipe rod support (8) is fixedly connected to the end part of the secondary conveying arm (7), and the upper end of the pipe rod support (8) is of a V-shaped structure.

8. The new pipe stick conveyor of claim 2, wherein: follow-up dolly (6) include dolly main part (6.1), support wall (6.3), spacing pulley (6.4), support pulley (6.5), auxiliary pulley (6.6), connecting rod (6.7), the rear end of dolly main part (6.1) is equipped with support wall (6.3), and upper portion is open structure, and spacing pulley (6.4) are connected through connecting rod (6.7) to the front end, are equipped with support pulley (6.5) in the both sides of dolly main part (6.1), and the downside of support pulley (6.5) is equipped with auxiliary pulley (6.6).

9. The new pipe stick conveyor of claim 8, wherein: the trolley is characterized in that a groove (6.8) is formed in the supporting wall (6.3), extending trolley side wings (6.2) are arranged on two sides of the trolley main body (6.1) respectively, and wear-resistant protection plates are arranged at an open structure position of the upper portion of the trolley main body (6.1) and on the inner side of the supporting wall (6.3) respectively.

10. The new pipe stick conveyor of claim 9, wherein: and a mechanical maintenance rod (11) is arranged at one end of the base (1) close to the lifting oil cylinder.