Oil pipe taking and placing vehicle

Abstract

The invention belongs to the field of containers for storing or transporting objects or materials, and particularly relates to an oil pipe taking and placing vehicle. In order to solve the technical problem that in the prior art, the space utilization rate is low due to the fact that oil pipes are stored in a cuboid space in a moving trolley, the oil pipe taking and placing trolley comprises a frame and wheels, the wheels comprise at least three universal wheels, a column casing is further vertically arranged on the frame, and the column casing is provided with an oil pipe. A spiral rail used for containing an oil pipe is arranged on the outer side wall of the column casing, and an upper limiting part and a lower limiting part which are used for fixing the oil pipe are arranged at the two ends of the spiral rail respectively. By arranging the column casing and arranging the spiral track on the outer side wall of the column casing, the oil pipe can be located in the spiral track, and therefore the space utilization rate is increased.

Description

Technical Field

[0001] The invention belongs to the field of containers for storing or transporting objects or materials, and in particular relates to an oil pipe picking and placing vehicle. Background Art

[0002] During the oil filling phase of a large 110kV transformer, the oil filling pipe must be pulled from the oil filling unit to the oil filling port on the transformer body. Due to the large size of the transformer, the oil pipe must be extended by at least 5m for each span of the transformer. In the prior art, to prevent static electricity, the oil pipe is generally made of a composite hose containing steel wire. Multiple oil pipes are spirally stacked in a large iron frame. When in use, one end of the oil pipe must first be lifted by a crane to straighten the oil pipe. At the same time, in actual operation, the number of oil pipes is limited, and it is not necessary to increase the length of the oil pipe indefinitely. However, each oil pipe is long and heavy, making it inconvenient to drag the two ends of the oil pipe from the large iron frame to the oil filling port of the transformer and the oil filling unit respectively.

[0003] A Chinese utility model patent with authorization announcement number CN 204937167 U and authorization announcement date 2016.01.06 discloses a mobile trolley specially used for transporting oil pipes. The main body of the mobile trolley includes a rectangular base plate and running wheels arranged at the four top corners of the lower surface of the base plate. Metal baffles are vertically arranged around the upper surface of the base plate. The base plate and the metal baffles form a rectangular space for storing oil pipes.

[0004] Although the above-mentioned mobile trolley for transporting oil pipes can solve the storage and transportation problems of single oil pipes, on the one hand, the chamber for storing the oil pipes is a rectangular space, and the oil pipes are spirally wound into a cylindrical shape, so the space in the four corners of the chamber is unused, and the space utilization rate is low. Summary of the Invention

[0005] The object of the present invention is to provide an oil pipe picking and placing vehicle to solve the technical problem in the prior art of low space utilization caused by storing oil pipes in a rectangular space inside a mobile vehicle.

[0006] To achieve the above-mentioned purpose, the technical solution of the oil pipe retrieval vehicle provided by the present invention is:

[0007] The oil pipe picking and placing vehicle includes a frame and wheels, wherein the wheels include at least three universal wheels. A column is also vertically arranged on the frame, and a spiral track for accommodating the oil pipe is provided on the outer wall of the column. The two ends of the spiral track are respectively provided with an upper limit part and a lower limit part for fixing the oil pipe.

[0008] The beneficial effects are as follows: the present invention is an improved invention. Compared with the background technology, by providing a column and a spiral track on the outer wall of the column, the oil pipe can be placed in the spiral track, thereby improving space utilization. When storing the oil pipe, one end of the oil pipe is first fixed in the lower limit portion, and then the oil pipe retrieval vehicle is rotated by the universal wheel to place the oil pipe on the spiral track. When releasing the oil pipe, the oil pipe located in the lower limit portion is first taken out and connected to the transformer or oil injection unit. Then, the oil pipe located on the spiral track is released by rotating the oil pipe retrieval vehicle while the oil pipe retrieval vehicle is moved toward the oil injection unit or transformer, making it convenient for one person to install the oil pipe.

[0009] Furthermore, connecting structures for connecting the inner and outer spaces of the column are respectively provided at the upper and lower ends of the column corresponding to the two ends of the spiral track. The upper and lower connecting structures are respectively used for the oil pipe to pass through to form the upper limit part and the lower limit part.

[0010] The beneficial effect is: by making the limiting part connect the inner and outer spaces of the column barrel, both ends of the oil pipe can be connected to the interior of the column barrel, so that the residual oil in the oil pipe can be collected in the column barrel; at the same time, the excess oil pipe can be extended into the interior of the column barrel for storage. At this time, the oil pipes are stored inside the column barrel and on the spiral track respectively, which effectively increases the space for storing the oil pipes in the oil pipe retrieval vehicle, so that when the specifications of each oil pipe remain unchanged, the volume of the oil pipe retrieval vehicle can be effectively reduced.

[0011] Furthermore, the upper end of the column is an open end, and the upper communicating structure is an upper communicating groove with the notch facing upward and communicating with the open end of the column, and the upper communicating groove constitutes a slideway for placing the oil pipe from top to bottom.

[0012] The beneficial effect is as follows: compared with the technical solution in which the upper end of the column barrel is a closed end or the upper limit portion is not connected to the open end of the column barrel, the oil pipe needs to be slowly passed through the upper connecting structure when storing the oil pipe, and the oil pipe needs to be slowly pulled out of the column barrel through the upper connecting structure when installing the oil pipe. By making the upper limit portion connected to the open end of the column barrel and forming a slideway for placing the oil pipe from top to bottom, when storing the oil pipe, one end of the oil pipe can be directly fixed on the lower limit portion, the other end of the oil pipe can be directly placed on the bottom of the column barrel, and the middle part of the oil pipe can be clamped in the upper limit portion (the oil pipe does not need to be clamped and matched with the upper limit portion, because there is a heavier part of the oil pipe on both sides of the upper limit portion, the oil pipe will not slide in the upper limit portion), so that the oil pipe can be conveniently placed in the column barrel; when installing the oil pipe, the oil pipe can also be directly taken out completely from the upper limit portion, so that the oil pipe is convenient to release. If the remaining oil pipe is short after the oil pipe is placed on the spiral track, the oil pipe can be directly placed in the column; if the remaining oil pipe is long, the oil pipe can be coiled inside the column.

[0013] Furthermore, the lower connecting structure includes a connecting hole and at least two limiters arranged in the connecting hole. The size of the connecting hole satisfies that the joint of the oil pipe can be inserted into the interior of the column. The limiters are used to cooperate with the joint of the oil pipe to prevent the joint from falling out.

[0014] The advantageous effects are as follows: by providing the connecting hole and at least two stoppers, the oil pipe connector can be inserted into the cylinder; and after the oil pipe connector is inserted into the cylinder, the connector can be moved to engage with the stoppers, thereby preventing the connector from falling out. To remove the connector, the connector can be removed by simply moving the connector in the opposite direction to separate the stoppers from the connector.

[0015] Furthermore, the frame includes a base plate, the column is arranged on the upper surface of the base plate, the lower end of the column is provided with a lower connecting groove with an opening facing downward, the lower connecting groove and the base plate together form the connecting hole, and the limit member is fixedly arranged on the base plate.

[0016] The beneficial effects are: by making the lower connecting groove and the bottom plate together form a connecting hole, and arranging a limit piece on the bottom plate, on the one hand, the lower limit part can be located at the bottom of the column, thereby increasing the length of the spiral guide rail, and then increasing the length of the oil pipe that can be stored in the spiral guide rail; on the other hand, the bottom plate can support the oil pipe located at the bottom of the spiral guide rail, preventing the oil pipe and the oil pipe joint located at the bottom of the spiral guide rail from falling out of the lower limit part.

[0017] Furthermore, the top end of the column is provided with at least one of a force-applying through hole, a force-applying groove and a force-applying protrusion for rotating the oil pipe picking-up and placing vehicle.

[0018] The beneficial effect is that by providing the force-applying through hole, the force-applying groove or the force-applying protrusion, it is convenient for workers to rotate the cylinder, thereby conveniently storing or releasing the oil pipe.

[0019] Furthermore, at least two connecting plates are fixedly provided on the top of the column, the connecting plates constitute force-applying protrusions, and the connecting plates are provided with insertion holes or insertion slots with notches facing upwards. The oil pipe picking and placing vehicle also includes an operating rod for detachably inserting into the insertion holes or insertion slots.

[0020] The advantageous effect is that, by providing an operating lever, the oil pipe retrieval vehicle can be conveniently rotated or pulled, thereby conveniently storing or releasing the oil pipe. The operating lever can be inserted into at least two insertion holes or insertion slots, in which case the portion of the operating lever located within the column can be grasped to rotate or pull the oil pipe retrieval vehicle. The operating lever can also be individually inserted into each insertion hole or insertion slot, with one end of the operating lever located within or outside the column, in which case the end of the operating lever located within or outside the column can be grasped to rotate or pull the oil pipe retrieval vehicle.

[0021] Furthermore, the frame includes a base plate, the column is arranged on the upper surface of the base plate, and an oil storage tank for storing residual oil in the oil pipe is provided on the lower surface of the base plate. The oil storage tank is connected to the column, and an oil drain port for draining oil is provided on the oil storage tank, and a pneumatic shut-off valve is provided at the oil drain port.

[0022] The beneficial effects are as follows: the oil storage tank disposed below the base plate can, on the one hand, store residual oil in the oil pipe; on the other hand, the residual oil can flow into the oil storage tank below the column, thereby preventing residual oil from adhering to the oil pipe located inside the column. The residual oil in the oil storage tank can be regularly drained through the oil drain port.

[0023] Furthermore, the bottom surface of the oil storage tank is an inclined surface, and the oil drain port is arranged on a side of the side wall of the oil storage tank close to the lowest point of the inclined surface.

[0024] The beneficial effect is that by setting the bottom surface of the oil storage tank as an inclined surface, residual oil can be collected and discharged through the oil drain port.

[0025] Furthermore, the universal wheels are arranged at intervals on the same circumference.

[0026] The beneficial effect is that by arranging the universal wheels at intervals on the same circumference, it is possible to prevent a universal wheel from being damaged due to excessive pressure, thereby preventing the oil pipe retrieval vehicle from malfunctioning during movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a structural diagram of a specific embodiment 1 of the oil pipe pick-up and placement vehicle of the present invention;

[0028] Figure 2 This is a front view of a specific embodiment 1 of the oil pipe retrieval vehicle of the present invention;

[0029] Figure 3 This is a diagram showing the usage of the oil pipe and the operating lever in the specific embodiment 1 of the oil pipe retrieval vehicle of the present invention.

[0030] Description of reference numerals:

[0031] 1. Base plate; 2. Universal wheel; 3. Cylinder; 31. Spiral track; 32. Upper limit part; 33. Lower limit part; 331. Limiting piece; 34. Connecting plate; 4. Operating lever; 5. Oil pipe; 6. Oil storage tank; 7. Oil drain port; 8. Quick connector; 9. Pneumatic stop valve. DETAILED DESCRIPTION

[0032] The present invention is described in further detail below with reference to the examples.

[0033] Specific embodiment 1 of the oil pipe picking and placing vehicle provided by the present invention:

[0034] The present embodiment aims to provide a tubing retrieval vehicle that differs from the conventional mobile tubing transport vehicles. By providing a cylindrical barrel with an open top and a spiral track on the outer wall of the barrel to accommodate the tubing, the vehicle can simultaneously store a tubing inside the barrel and on the spiral track, thereby reducing the vehicle's footprint. Furthermore, the universal wheels and spiral track facilitate single-person tubing installation.

[0035] like Figure 1-3 As shown, this embodiment specifically provides a fuel pipe retrieval vehicle comprising a frame and wheels mounted on the frame. The frame includes a base plate 1, and the wheels are at least three universal wheels 2 mounted on the lower surface of the base plate 1. In this embodiment, there are three universal wheels 2, but in other embodiments, there may be four or more universal wheels 2, each of which is spaced apart on the same circumference. A cylindrical barrel 3 with an open top is also disposed on the upper surface of the base plate 1. A spiral track 31 for accommodating a fuel pipe 5 is disposed on the outer wall of the cylindrical barrel 3. Connecting structures for connecting the interior and exterior of the cylindrical barrel 3 are disposed at the upper and lower ends of the cylindrical barrel 3, corresponding to the ends of the spiral track 31. The upper and lower connecting structures allow the fuel pipe 5 to pass through, forming an upper limit portion 32 and a lower limit portion 33, respectively. In this embodiment, the top end of the spiral track 31 is not connected to the open end of the cylindrical barrel 3; the upper limit portion 32 is disposed above the top end of the spiral track 31.

[0036] After the oil is filled into the transformer, some residual oil will remain in the oil pipe 5. By providing the upper limit portion 32 and the lower limit portion 33, on the one hand, the oil pipe 5 can be prevented from shaking on the oil pipe loading and unloading vehicle; on the other hand, the residual oil in the oil pipe 5 can pass through the upper limit portion 32 and the lower limit portion 33 and enter the column 3.

[0037] Compared to the prior art solution of storing the oil pipe 5 only inside the metal baffle, the provision of an upper limit portion through which the oil pipe 5 passes allows the oil pipe 5 to be located simultaneously within the spiral track 31 and the column 3, effectively increasing the storage space for the oil pipe 5 on the oil pipe retrieval vehicle. This effectively reduces the vehicle's size while maintaining the same specifications for each oil pipe 5. The column 3, with its open top, allows the oil pipe 5 to be conveniently placed inside.

[0038] By providing the universal wheels 2, when storing the oil pipe 5, one end of the oil pipe 5 is first fixed in the lower limit portion 33. The oil pipe retrieval vehicle is then rotated using the universal wheels 2 to position the oil pipe 5 on the spiral track 31. To release the oil pipe 5, the oil pipe 5 located in the lower limit portion 33 is first removed and connected to the transformer or oil injection unit. The oil pipe retrieval vehicle is then rotated to release the oil pipe 5 from the spiral track 31 while the vehicle is moved toward the oil injection unit or transformer, making it easy for a single person to install the oil pipe 5. Furthermore, by arranging the universal wheels 2 at intervals on the same circumference, damage to any one of the universal wheels due to excessive pressure can be avoided, thereby preventing malfunction of the oil pipe retrieval vehicle during movement.

[0039] Regarding the upper connecting structure, in this embodiment, the upper connecting structure is an upper connecting groove with the notch facing upward and connected to the open end of the column 3. The upper connecting groove constitutes a slideway for placing the oil pipe 5 from top to bottom.

[0040] The top of the cylinder 3 is closed or the upper limit portion is not connected to the open end of the cylinder 3. When storing the oil pipe, the oil pipe 5 needs to be slowly passed through the upper connecting structure. When installing the oil pipe 5, the oil pipe 5 needs to be slowly pulled out of the cylinder through the upper connecting structure. By making the upper limit portion 32 connected to the open end of the cylinder 3 and forming a slide for placing the oil pipe 5 from top to bottom, when storing the oil pipe, one end of the oil pipe 5 can be directly fixed on the lower limit portion 33, and the other end of the oil pipe 5 can be directly placed at the bottom of the cylinder 3, and the middle part of the oil pipe 5 can be clamped in the upper limit portion 32 (there is no need for the oil pipe 5 to be clamped and matched with the upper limit portion 32. Since there is a heavier part of the oil pipe 5 on both sides of the upper limit portion 32, the oil pipe 5 will not slide in the upper limit portion 32). Therefore, the oil pipe 5 can be conveniently placed in the cylinder 3. When installing the oil pipe 5, the oil pipe 5 can also be directly and completely removed from the upper limit portion 32, thereby facilitating the release of the oil pipe. If the remaining oil pipe 5 is short after being placed on the spiral track 31 , the oil pipe 5 can be directly placed into the column 3 ; if the remaining oil pipe 5 is long, the oil pipe 5 can be coiled inside the column 3 .

[0041] For example, assume the length of a tubing is 2πr (r is the distance from the center of the circle to the center of the tubing). Ignoring the tubing, metal baffles, and cylinder thickness, and treating the tubing as a straight line without stacking (i.e., the total height of the tubing is equal to the tubing diameter, rather than stacking two layers of tubing so that the total height is twice the tubing diameter), the minimum cross-sectional area of ​​a rectangular parallelepiped space in the prior art is 4r. 2 In the oil pipe retrieval vehicle of the present invention, when only the oil pipe is placed in the column, the minimum cross-sectional area of ​​the column space is πr 2When the oil pipe is placed inside the cylinder and on the spiral track at the same time, an oil pipe with a length of 2πr can also be placed on the spiral track outside the cylinder. Therefore, the minimum radius of the cylinder is r / 2, and the minimum cross-sectional area of ​​the cylinder space is πr 2 / 4, of course, in practice, due to the existence of the cylinder and the spiral track, the cross-sectional area of ​​the tubing pick-up and place vehicle in the present invention will be larger than πr 2 / 4 is large, but it is sufficient to prove that the oil pipe retrieval vehicle of the present invention occupies a smaller volume than the mobile vehicle for transporting oil pipes in the background art when storing oil pipes of the same length.

[0042] Regarding the lower connecting structure, in this embodiment, the lower connecting structure includes a connecting hole and at least two limiting members 331 arranged in the connecting hole. The lower end of the column 3 is provided with a lower connecting groove with an opening facing downward. The lower connecting groove and the bottom plate 1 together form the connecting hole. The size of the connecting hole is sufficient to allow the joint of the oil pipe 5 to be inserted into the interior of the column 3. The limiting member 331 is fixedly provided on the bottom plate 1 and is used to cooperate with the joint of the oil pipe 5 to prevent the joint from falling out.

[0043] By providing a connecting hole and at least two stoppers 331, the connector of the oil pipe 5 can be inserted into the cylinder 3. Furthermore, after the connector is inserted, the connector can be moved to engage the stoppers 331, preventing it from falling out. To remove the connector, the connector can be moved in the opposite direction to separate the stoppers 331 from the connector. By forming the connecting hole with the lower connecting groove and the bottom plate 1 and providing the stoppers 331 on the bottom plate 1, the lower stopper 33 can be positioned at the lowest point of the cylinder 3, thereby increasing the length of the spiral guide 31 and, consequently, the length of the oil pipe 5 that can be stored there. Furthermore, the bottom plate 1 supports the oil pipe 5 at the lowest point of the spiral guide 31, preventing the oil pipe 5 and the connector therefrom from falling out of the lower stopper.

[0044] In this embodiment, in order to facilitate the movement of the oil pipe pick-up and placement vehicle, at least two connecting plates 34 are fixedly provided on the upper surface of the column 3. The connecting plates 34 constitute force-applying protrusions for workers to rotate the oil pipe pick-up and placement vehicle. The connecting plates 34 are provided with insertion holes or insertion slots with the notches facing upwards. The oil pipe pick-up and placement vehicle also includes an operating rod 4 for detachable insertion in the insertion hole or insertion slot. The insertion slot is connected to the upper surface of the connecting plate 34. The operating rod 4 can be detachably engaged in the insertion slot from the upper part of the insertion slot. The connecting plate 34 is used to cooperate with the operating rod 4 in the circumferential direction of the column 3. In this embodiment, the number of connecting plates 34 is two, but in other embodiments, the number of connecting plates 34 can also be three or more. In this embodiment, if Figure 3As shown, the operating rod 4 is inserted into the two insertion slots. At this time, the part of the operating rod 4 located inside the column can be held to rotate or pull the oil pipe picking and placing vehicle. However, in other embodiments, the operating rod 4 can also be inserted into each insertion hole or insertion slot separately, and one end of the operating rod 4 can be located inside the column 3 or outside the column 3. At this time, the end of the operating rod 4 located inside the column 3 or outside the column 3 can be held to rotate or pull the oil pipe picking and placing vehicle.

[0045] By providing the force-applying protrusion, workers have something to hold onto when rotating the cylinder 3, making it easier for them to rotate the cylinder 3, thereby facilitating the storage or release of the oil pipe. If the oil pipe in the cylinder 3 is short, the oil pipe can be directly rotated to remove and place the oil pipe on the vehicle. If the oil pipe in the cylinder 3 is long, the oil pipe 5 may collide with the operating rod 4 during the rotation process. By directly engaging the operating rod 4 in the insertion slot from the top, the operating rod 4 can be directly removed when the oil pipe 5 hits the operating rod 4, and then directly placed on the other side of the oil pipe 5. Alternatively, the operating rod 4 can be manually grasped and rotated to a certain angle, then placed on the other side of the oil pipe 5, and the oil pipe can be rotated to remove and place the oil pipe on the vehicle, and the above operation can be repeated until all the oil pipes 5 are stored or released. In this process, by engaging the operating rod 4 in the insertion slot from the top, the installation and removal of the operating rod 4 is convenient and quick, thereby shortening the time required to store or install the oil pipe 5.

[0046] In this embodiment, to prevent residual oil from adhering to the oil pipe 5, an oil reservoir 6 is provided on the lower surface of the base plate 1 for storing the residual oil in the oil pipe 5. This reservoir 6 is connected to the column 3 and has a sloped bottom. A drain port 7 is provided on the sidewall of the reservoir 6, near its lowest point. This drain port 7 is equipped with a pneumatic shutoff valve 9 and a quick connector 8 for connecting to an external drain pipe. In this embodiment, the base plate 1 has a through hole. The inner diameter of the column 3 is larger than that of the through hole, while the inner diameter of the oil reservoir 6 is not smaller than that of the through hole. The column 3 and the oil reservoir 6 are welded to the base plate 1.

[0047] Oil storage tank 6, located on the lower surface of base plate 1, can, on the one hand, store residual oil in oil pipe 5 in oil storage tank 6; on the other hand, it can flow into oil storage tank 6 at the bottom of column 3, thus preventing residual oil from adhering to oil pipe 5 located within column 3. Furthermore, because the bottom surface of oil storage tank 6 is inclined, residual oil can be collected and regularly discharged through oil drain port 7. The oil drain pipe can be easily installed on quick connector 8 via quick connector 8, thus conveniently draining the residual oil to a designated location.

[0048] Specific embodiment 2 of the oil pipe picking and placing vehicle provided by the present invention:

[0049] The purpose of this embodiment is to provide a different arrangement of universal wheels. The main difference between this embodiment and specific embodiment 1 is that: in this embodiment, there are four universal wheels and they are arranged at intervals on the frame, and the four universal wheels are located in pairs on two different circumferences.

[0050] Specific embodiment 3 of the oil pipe picking and placing vehicle provided by the present invention:

[0051] The purpose of this embodiment is to provide another different setting method of the upper limit portion. The main difference between this embodiment and specific embodiment 1 is that: in this embodiment, the upper end of the column is closed by an end plate, and the upper limit portion is a through hole, which is set on the end plate.

[0052] Specific embodiment 4 of the oil pipe picking and placing vehicle provided by the present invention:

[0053] This embodiment aims to provide a different structure that facilitates worker force application. The primary difference between this embodiment and Specific Example 1 is that in this embodiment, at least two force-applying grooves are provided at the top of the column for workers to rotate the tubing access cart. These grooves communicate with the open end of the column, and an operating rod can be engaged in the force-applying grooves from above. The column is configured to engage with the operating rod in a circumferentially retaining manner. In this embodiment, there are two force-applying grooves, but in other embodiments, the number of force-applying grooves may be three or more.

[0054] If the oil pipe in the column is short, the oil pipe can be directly rotated to remove and place the car; if the oil pipe in the column is long, the oil pipe may collide with the operating lever during the process of rotating the oil pipe to remove and place the car. By directly engaging the operating lever in the force-applying groove from the upper part of the force-applying groove, the operating lever can be directly removed when the oil pipe collides with the operating lever, and then directly placed on the other side of the oil pipe, or the operating lever can be directly placed on the other side of the oil pipe after grasping the force-applying groove by hand and rotating it to a certain angle, and then the oil pipe removal car can be continuously rotated and the above operation repeated until all the oil pipes are stored or released. In this process, by engaging the operating lever in the force-applying groove from the upper part of the force-applying groove, the installation and removal of the operating lever is convenient and quick, thereby shortening the time required for storing or installing the oil pipe.

[0055] Specific embodiment 5 of the oil pipe picking and placing vehicle provided by the present invention:

[0056] The purpose of this embodiment is to provide another different structure that makes it easier for workers to apply force. The main difference between this embodiment and specific embodiment 4 is that: in this embodiment, the top of the column is provided with at least two force-applying through holes for workers to rotate the oil pipe to pick up and put the vehicle, and the force-applying through holes are not connected to the open end of the column.

[0057] Specific embodiment 6 of the oil pipe picking and placing vehicle provided by the present invention:

[0058] This embodiment aims to provide a different structure that facilitates workers' force application. The main difference between this embodiment and Specific Embodiment 1 is that in this embodiment, the top end of the column is provided with at least two force-applying grooves and at least two connecting plates for workers to rotate the tubing access cart. In this embodiment, there are two force-applying grooves and connecting plates, but in other embodiments, the number of force-applying grooves and connecting plates may be three or more.

[0059] Specific embodiment 7 of the oil pipe picking and placing vehicle provided by the present invention:

[0060] The purpose of this embodiment is to provide a different structure of an operating rod. The main difference between this embodiment and specific embodiment 1 is that: in this embodiment, there are three connecting plates, each connecting plate is provided with an insertion slot, and the operating rod is a "T"-shaped operating rod connecting the three insertion slots.

[0061] Specific embodiment 8 of the oil pipe retrieval and placement vehicle provided by the present invention:

[0062] The purpose of this embodiment is to provide another different structure of an operating rod. The main difference between this embodiment and specific embodiment 1 is that: in this embodiment, there are four connecting plates, each connecting plate is provided with an insertion slot, and the connecting rod is a "cross" shaped operating rod connecting the four insertion slots.

[0063] Of course, in other embodiments, as shown in Specific Embodiment 6 and Specific Embodiment 7, a larger number of force-applying through holes, force-applying grooves, or one or more of the insertion slots may be provided. In this case, the structure of the operating lever may be in the shape of an "I", a "T", a "Y", a "cross" or other shapes. For example, in this embodiment, the structure of the operating lever may also be in the shape of an "I", a "T" or a "Y", but this will not be described in detail in the present invention.

[0064] Specific embodiment 9 of the oil pipe picking and placing vehicle provided by the present invention:

[0065] The present embodiment aims to provide a different installation method for an operating rod. The primary difference between this embodiment and the first embodiment is that there are two force-applying grooves, each of which is independently inserted into an operating rod. One end of the operating rod is located outside the column, and the upper limit portion forms one of the force-applying grooves. The upper end of the operating rod is flush with the upper end of the column. This arrangement allows, when removing a tubing, regardless of the length of the tubing within the column, to first remove the tubing from the upper limit portion and place it on the column. The operating rod is then inserted into the two force-applying grooves, and the tubing retrieval vehicle is rotated. Because the operating rod is located in both the force-applying groove and the upper limit portion, and the upper end of the operating rod is flush with the upper end of the column, the tubing can slide around the open end of the column. In this manner, during tubing installation, the operating rod, force-applying groove, and upper limit portion do not interfere with the tubing, eliminating the need to remove the operating rod and allowing the tubing retrieval vehicle to continue rotating. This reduces the time required to store and release the tubing.

[0066] Specific embodiment 10 of the oil pipe retrieval vehicle provided by the present invention:

[0067] The purpose of this embodiment is to provide a different structure of the upper limit part and the lower limit part. The main difference between this embodiment and specific embodiment 1 is that: in this embodiment, the upper and lower limit parts are clamps provided on the cylinder for clamping the oil pipe. At this time, after filling oil into the transformer, the residual oil in the oil pipe needs to be discharged into an additional container before the oil pipe is stored.

[0068] Specific embodiment 11 of the oil pipe retrieval vehicle provided by the present invention:

[0069] The purpose of this embodiment is to provide another different structure of the upper limit portion. The main difference between this embodiment and specific embodiment 1 is that: in this embodiment, the upper end of the column is closed, and the top of the column is provided with an upper limit portion, which is a connecting hole. When storing the oil pipe, the oil pipe needs to be slowly passed through the upper connecting hole. When installing the oil pipe, the oil pipe needs to be slowly pulled out of the column through the upper connecting hole.

[0070] Specific embodiment 12 of the oil pipe retrieval vehicle provided by the present invention:

[0071] The purpose of this embodiment is to provide a tubing retrieval vehicle that does not include force-applying holes, force-applying grooves, or force-applying protrusions. The primary difference between this embodiment and Specific Example 1 is that this embodiment does not include force-applying holes, force-applying grooves, or force-applying protrusions. Workers move the tubing retrieval vehicle by directly grasping the upper surface of the column or by the spiral track.

[0072] Specific embodiment 13 of the oil pipe retrieval vehicle provided by the present invention:

[0073] The purpose of this embodiment is to provide an oil pipe retrieval vehicle without an operating lever. The main difference between this embodiment and specific embodiment 1 is that in this embodiment, no operating lever is included, and workers directly move the oil pipe retrieval vehicle by grasping the connecting plate.

[0074] Specific embodiment 14 of the oil pipe retrieval and placement vehicle provided by the present invention:

[0075] The purpose of this embodiment is to provide a different installation method for an operating lever. The main difference between this embodiment and Specific Example 1 is that in this embodiment, the connecting plate is provided with insertion holes, and the operating lever is inserted into the two insertion holes from the side of the connecting plate. In other embodiments, the operating lever can also be inserted into the two force-applying through holes from the side of the force-applying through hole.

[0076] Specific embodiment 15 of the oil pipe retrieval vehicle provided by the present invention:

[0077] The purpose of this embodiment is to provide an oil pipe picking and placing vehicle without an oil storage tank. The main difference between this embodiment and specific embodiment 1 is that: in this embodiment, there is no oil storage tank. After filling oil into the transformer, the residual oil in the oil pipe needs to be discharged into an additional container before the oil pipe is stored.

[0078] Specific embodiment 16 of the oil pipe retrieval vehicle provided by the present invention:

[0079] The purpose of this embodiment is to provide a different oil storage tank. The main difference between this embodiment and specific embodiment 1 is that: in this embodiment, the bottom surface of the oil storage tank is flat, and the oil drain port is arranged on the side wall of the oil storage tank and close to the bottom surface of the oil storage tank.

[0080] Specific embodiment 17 of the oil pipe retrieval vehicle provided by the present invention:

[0081] The purpose of this embodiment is to provide a different lower limit portion. The main difference between this embodiment and specific embodiment 1 is that: in this embodiment, a connecting hole and a limiting member are provided on the side wall of the column, and the connecting hole and the limiting member constitute the lower limit portion.

[0082] Specific embodiment 18 of the oil pipe retrieval vehicle provided by the present invention:

[0083] The purpose of this embodiment is to provide a different lower stop. The primary difference between this embodiment and Specific Example 17 is that in this embodiment, a communication hole is provided on the sidewall of the column, which constitutes the lower stop. To position the oil pipe, only the connector and a portion of the pipe need to be inserted into the lower stop. Gravity prevents the pipe from falling out of the lower stop.

[0084] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments without inventive effort, or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A tubing pick-up and place vehicle, comprising a vehicle frame and wheels, characterized in that: The wheel comprises at least three universal wheels (2), and a column (3) is vertically arranged on the frame. A spiral track (31) for accommodating an oil pipe (5) is arranged on the outer wall of the column (3), and an upper limit portion (32) and a lower limit portion (33) for fixing the oil pipe (5) are respectively arranged at both ends of the spiral track (31).

2. The oil pipe retrieval vehicle according to claim 1, characterized in that: A connecting structure for connecting the inner and outer spaces of the column barrel (3) is provided at the upper and lower ends of the column barrel (3) at positions corresponding to the two ends of the spiral track (31), and the upper and lower connecting structures are respectively passed through by the oil pipe (5) to form an upper limit portion (32) and a lower limit portion (33).

3. The oil pipe retrieval vehicle according to claim 2, characterized in that: The upper end of the column barrel (3) is an open end, and the upper connecting structure is an upper connecting groove with a notch facing upward and connected to the open end of the column barrel (3), and the upper connecting groove constitutes a slideway for placing the oil pipe (5) from top to bottom.

4. The oil pipe retrieval vehicle according to claim 2, characterized in that: The connecting structure below comprises a connecting hole and at least two stoppers (331) arranged in the connecting hole. The size of the connecting hole satisfies that the joint of the oil pipe (5) can be inserted into the interior of the column (3). The stoppers (331) are used to cooperate with the joint of the oil pipe (5) to prevent the joint from falling out.

5. The oil pipe retrieval vehicle according to claim 4, characterized in that: The frame comprises a base plate (1), the column tube (3) is arranged on the upper surface of the base plate (1), the lower end of the column tube (3) is provided with a lower connecting groove opening downward, the lower connecting groove and the base plate (1) together form the connecting hole, and the limiting member (331) is fixedly arranged on the base plate (1).

6. The oil pipe retrieval and placement vehicle according to any one of claims 1 to 5, characterized in that: The top end of the column (3) is provided with at least one of a force-applying through hole, a force-applying groove and a force-applying protrusion for rotating the oil pipe picking and placing vehicle.

7. The oil pipe retrieval vehicle according to claim 6, characterized in that: At least two connecting plates (34) are fixedly provided at the top end of the column (3), the connecting plates (34) forming force-applying protrusions, and the connecting plates (34) are provided with insertion holes or insertion grooves with notches facing upwards, and the oil pipe retrieval vehicle also includes an operating rod (4) for being detachably inserted into the insertion holes or insertion grooves.

8. The oil pipe retrieval and placement vehicle according to any one of claims 1 to 4, characterized in that: The vehicle frame comprises a base plate (1), the column tube (3) is arranged on the upper surface of the base plate (1), an oil storage tank (6) for storing residual oil in the oil pipe (5) is arranged on the lower surface of the base plate (1), the oil storage tank (6) is connected to the column tube (3), an oil drain port (7) for draining oil is arranged on the oil storage tank (6), and a pneumatic stop valve (9) is arranged at the oil drain port (7).

9. The oil pipe retrieval vehicle according to claim 8, characterized in that: The bottom surface of the oil storage tank (6) is an inclined surface, and the oil drain port (7) is arranged on a side of the side wall of the oil storage tank (6) close to the lowest point of the inclined surface.

10. The oil pipe retrieval vehicle according to any one of claims 1 to 5, characterized in that: The universal wheels (2) are arranged at intervals on the same circumference.

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