CN112889369B

CN112889369B - Soil turning device for sweet potato planting

Info

Publication number: CN112889369B
Application number: CN202110046376.6A
Authority: CN
Inventors: 乔文学; 陈传胜; 王桂军; 范光炜
Original assignee: Yingshang Dafengyuan Family Farm Co ltd
Current assignee: Yingshang Xiangsheng Construction Management Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2022-11-01
Anticipated expiration: 2041-01-14
Also published as: CN112889369A

Abstract

The invention discloses a land leveling device for sweet potato planting, which comprises a frame, and a rotary tillage unit and a leveling unit which are arranged on the frame, wherein the rotary tillage unit comprises a rotary tillage component, a first rotary disc, a first connecting rod and an installation rod; the leveling unit is arranged to flatten and level the soil, so that a better leveling effect is achieved; the soil crushing unit is arranged, the movable block drives the driving rod to move in a reciprocating mode, the movement range of the supporting rod is further expanded, and soil crushing efficiency is improved.

Description

Soil turning device for sweet potato planting

Technical Field

The invention relates to the technical field of land preparation, in particular to a land preparation device for sweet potato planting.

Background

Sweet potato: also called sweet potato, dioscorea of Dioscoreaceae, winding grass vine. The branch ends at the top of the underground tuber are expanded into egg-shaped tubers, and the outer skin is light yellow and smooth. The stem revolves left, the base has thorns, and the hair is molted in a T shape. Single leaf intergrowth, broad heart shape; the male inflorescence is spike-shaped inflorescence, is single-grown, and has no stem or extremely short stem; the bract is egg-shaped, and the top end is tapered; the floral quilt is in a shallow cup shape and is short and soft; triangular prism shape of capsule, slightly concave top, truncated base, wing shape of each edge; the seeds are round and have wings. Early summer in flowering period.

When sweet potatoes are planted, soil is required to be turned and prepared to be suitable for growth, the existing soil turning and preparing device is generally only provided with a group of soil turning parts, so that the use and protection of the soil turning parts are not facilitated, and on the other hand, the turning and preparing efficiency is reduced.

Disclosure of Invention

The invention aims to provide a land leveling device for sweet potato planting, which solves the problems.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a sweet potato is planted and turns over whole device with soil, includes the frame and installs the rotary tillage unit and the leveling unit on the frame, the rotary tillage unit includes rotary tillage subassembly, first carousel, first connecting rod and installation pole, the interval is equipped with three installation poles on the frame, and installation pole middle part is rotated with the frame and is connected, installation pole bottom extends to the frame below and installs the rotary tillage subassembly, first logical groove has been seted up on installation pole upper portion, it has first motor to lie in three installation pole one side fixed mounting on the frame, and fixed mounting has first carousel on the output shaft of first motor, and eccentric articulated on the first carousel terminal surface have first connecting rod, and the one end that first carousel was kept away from to first connecting rod articulates there is the slide, slide and frame sliding connection, fixed mounting has the pin on the lateral wall before the slide, and the pin runs through the first logical groove on three installation poles in proper order.

On the basis of the technical scheme, the invention also provides the following optional technical scheme:

in one alternative: and one end of the pin far away from the sliding seat is provided with a positioning pin in a penetrating way.

In one alternative: level the unit and include second motor, second carousel, movable rod, depression bar and flattening plate, second motor fixed mounting is in the frame, and fixed mounting has the second carousel on the output shaft of second motor, and the cooperation of second carousel front side is connected with the movable rod, and the guide bar is worn to be equipped with by the equal activity in movable rod both ends, and on the guide bar was fixed in the frame, off-centre was fixed with the second round pin axle on the terminal surface before the second carousel, set up the second that supplies the second round pin axle to insert and the activity on the movable rod and led to the groove, sliding connection has the depression bar on the movable rod, the depression bar top extends to the second and leads to the inslot and rotates with the second round pin axle and be connected, and the activity of depression bar bottom has penetrated branch, and the branch bottom mounting has the flattening plate, the cover that lies in on the branch is equipped with the spring between flattening plate and the depression bar, the spring both ends respectively with flattening plate and depression bar fixed connection.

In one alternative: the pressing rod is provided with a convex block, and the movable rod is provided with a groove in sliding fit with the convex block.

In one alternative: a soil crushing unit is arranged between the rotary tillage unit and the leveling unit, the soil crushing unit comprises a hollow shaft, a driving mechanism for driving the hollow shaft to rotate, a fourth turntable, a third turntable, a second connecting rod, a supporting rod and crushing blades, the hollow shaft vertically penetrates through the frame and is connected with the frame in a rotating way, the driving mechanism is arranged on the frame and is connected with the hollow shaft in a driving way, a fourth rotating disc is fixedly arranged at the bottom end of the hollow shaft, a rotating shaft is concentrically arranged in the hollow shaft in a penetrating way, the bottom end of the rotating shaft extends to the lower part of the fourth rotating disc and is fixedly provided with a third rotating disc, the top end of the rotating shaft extends to the upper part of the hollow shaft, first bevel gears are relatively fixed on the hollow shaft and the rotating shaft, a second bevel gear meshed with the first bevel gears is installed between the two first bevel gears, the second bevel gear is rotatably installed on a support plate fixed on the frame, the lower surface of the fourth rotary table is provided with a movable block in a sliding way along the radial direction, the lower end surface of the third rotary table is eccentrically hinged with a second connecting rod, one end of the second connecting rod far away from the third rotary table is hinged with the movable block, the bottom of the movable block is fixed with a driving rod, a plurality of first pin shafts are circumferentially and equidistantly fixed at the bottom of the frame and positioned at the outer side of the fourth turntable, a third through groove for the first pin shaft to pass through and move is arranged on the supporting rod, limiting rings are arranged on the first pin shaft and positioned at two sides of the supporting rod, one end of the support rod is rotationally connected with the drive rod, a rack is arranged on the support rod and positioned in the third through groove in a sliding way, a through hole for the first pin shaft to pass through is arranged on the rack, the utility model discloses a crushing device, including bracing piece, rack, driven gear, electric putter, telescopic link, crushing blade, it installs rack toothing's driven gear to lie in rack one side rotation on the bracing piece, driven gear's installation axle bottom fixed mounting has electric putter, and electric putter's telescopic link bottom fixed mounting has crushing axle, and the epaxial fixed mounting of crushing has crushing blade.

In one alternative: the driving mechanism is a driving motor and a straight gear pair.

In one alternative: still including spraying the unit, it includes medical kit and spray tube to spray the unit, the medical kit is fixed in on the frame, the spray tube is installed in the frame bottom, installs the pump body in the medical kit, and the pump body leads to pipe to be connected with the spray tube.

Compared with the prior art, the invention has the following beneficial effects:

1. the three groups of rotary tillage assemblies are positioned at different depths, rotary tillage operation is carried out on the soil in a layering manner, the rotary tillage assemblies are effectively protected, the working efficiency is improved, the first motor drives the first rotary disk to rotate at different angles, the rotary tillage depths of the three groups of rotary tillage assemblies can be synchronously adjusted, and different working requirements are met;

2. the soil leveling device is provided with a leveling unit, wherein the leveling unit comprises a second motor, a second rotary table, a movable rod, a pressure rod and a leveling plate, the second motor drives the second rotary table to rotate, the second rotary table drives a second pin shaft to revolve, the second pin shaft drives the pressure rod to move downwards, the pressure rod drives the leveling plate to move downwards, the leveling plate presses soil at the edge of the leveling plate, and meanwhile, the second pin shaft drives the pressure rod to move in the horizontal direction to flatten and level the soil, so that a better leveling effect is achieved, and the working efficiency is improved;

3. the soil crushing unit is arranged and comprises a hollow shaft, a driving mechanism for driving the hollow shaft to rotate, a fourth rotary disc, a third rotary disc, a second connecting rod, a supporting rod and a crushing blade, the driving mechanism drives the hollow shaft to rotate, the hollow shaft drives the fourth rotary disc to rotate, the fourth rotary disc drives a movable block and a driving rod to revolve, the driving rod drives the supporting rod to swing and simultaneously reciprocate, the supporting rod drives the crushing blade on the supporting rod to move synchronously, a rack moves relative to a gear to drive the gear to rotate positively and negatively, the gear drives the crushing blade to rotate positively and negatively, soil is crushed at multiple angles, the rotating shaft is driven to rotate reversely by matching of a first bevel gear and a second bevel gear when the hollow shaft rotates, the rotating shaft drives the third rotary disc to rotate reversely, the third rotary disc drives the movable block to reciprocate through the second connecting rod, the movable block drives the driving rod to reciprocate, the movement range of the supporting rod is further enlarged, and the soil crushing efficiency is improved.

Drawings

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

Fig. 2 is a schematic structural view of a soil crushing unit in a first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

Notations for reference numerals: 1-vehicle frame, 2-leveling plate, 3-second rotary table, 4-movable rod, 5-guide rod, 6-second pin shaft, 7-first pin shaft, 8-driving mechanism, 9-first bevel gear, 10-hollow shaft, 11-second bevel gear, 12-first rotary table, 13-first connecting rod, 14-mounting rod, 15-rotary tillage component, 16-supporting rod, 17-electric push rod, 18-crushing blade, 19-driven gear, 20-rack, 21-movable block, 22-second connecting rod, 23-third rotary table, 24-fourth rotary table, 25-press rod, 26-medicine box and 27-spray pipe.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

Example 1

Referring to fig. 1-2, in the embodiment of the present invention, a sweet potato planting land leveling device comprises a frame 1, and a rotary tillage unit and a leveling unit mounted on the frame 1, in the present embodiment, the rotary tillage unit includes a rotary tillage assembly 15, a first rotary plate 12, a first connecting rod 13 and mounting rods 14, three mounting rods 14 are spaced on the frame 1, the middle parts of the mounting rods 14 are rotatably connected with the frame 1, the bottom ends of the mounting rods 14 extend to the lower part of the frame 1 and are provided with the rotary tillage assembly 15, the upper parts of the mounting rods 14 are provided with a first through groove, a first motor is fixedly mounted on one side of the three mounting rods 14 on the frame 1, a first rotary plate 12 is fixedly mounted on an output shaft of the first motor, a first connecting rod 13 is eccentrically hinged on an end surface of the first rotary plate 12, one end of the first connecting rod 13 far away from the first rotary plate 12 is hinged to a sliding seat, the sliding seat is slidably connected with the frame 1, the front side wall of the sliding seat is fixedly provided with a pin which sequentially penetrates through the first through grooves on the three mounting rods 14, one end of the pin, which is far away from the sliding seat, is provided with a positioning pin in a penetrating way, so that the pin is prevented from being separated from the mounting rods 14, as shown in figure 1, initially, the rotary tillage components 15 on the three mounting rods 14 are all positioned above soil, then a first motor is started, the first motor drives the first rotary plate 12 to rotate, the first rotary plate 12 drives the sliding seat to move, the sliding seat drives the pin to move, the pin drives the three mounting rods 14 to rotate, the three groups of rotary tillage components 15 all enter the soil, the three groups of rotary tillage components 15 are positioned at different depths, the rotary tillage operation is carried out on the soil in a layered mode, the working efficiency is improved while the rotary tillage components 15 are effectively protected, the first rotary plate 12 is driven to rotate at different angles by the first motor, and the rotary tillage depths of the three groups of rotary tillage components 15 can be synchronously adjusted, different working requirements are met;

further, the leveling unit comprises a second motor, a second rotary table 3, a movable rod 4, a pressure rod 25 and a leveling plate, the second motor is fixedly arranged on the frame, the second rotary table 3 is fixedly arranged on an output shaft of the second motor, the front side of the second rotary table 3 is connected with the movable rod 4 in a matching manner, two ends of the movable rod 4 are movably penetrated with guide rods 5, the guide rods 5 are fixed on the frame 1, a second pin shaft 6 is eccentrically fixed on the front end surface of the second rotary table 3, a second through groove for the second pin shaft 6 to insert and move is formed in the movable rod 4, the pressure rod 25 is connected on the movable rod 4 in a sliding manner, in the embodiment, a convex block is arranged on the pressure rod 25, and a groove matched with the convex block in a sliding manner is formed in the movable rod 4, the top end of the pressing rod 25 extends into the second through groove and is rotationally connected with the second pin shaft 6, a supporting rod is movably inserted into the bottom end of the pressing rod 25, the leveling plate 2 is fixed at the bottom end of the supporting rod, a spring is sleeved on the supporting rod and positioned between the leveling plate 2 and the pressing rod 25, two ends of the spring are respectively and fixedly connected with the leveling plate 2 and the pressing rod 25, when the soil leveling machine is used, the second motor drives the second rotary table 3 to rotate, the second rotary table 3 drives the second pin shaft 6 to revolve, the second pin shaft 6 drives the pressing rod 25 to move downwards, the pressing rod 25 drives the leveling plate 2 to move downwards, soil is pressed downwards by the leveling plate 2, meanwhile, the second pin shaft 6 drives the pressing rod 25 to move in the horizontal direction, the soil is flattened and leveled, a better leveling effect is achieved, and the working efficiency is improved;

furthermore, in order to ensure the uniformity and refinement degree of soil, a soil breaking unit is disposed between the rotary tillage unit and the leveling unit, the soil breaking unit includes a hollow shaft 10, a driving mechanism 8 for driving the hollow shaft 10 to rotate, a fourth rotary table 24, a third rotary table 23, a second connecting rod 22, a supporting rod 16 and a crushing blade 18, the hollow shaft 10 vertically penetrates through the frame 1 and is rotatably connected therewith, the driving mechanism 8 is mounted on the frame 1 and is in driving connection with the hollow shaft 10, in this embodiment, the driving mechanism 8 is preferably a driving motor and a spur gear pair, the bottom end of the hollow shaft 10 is fixedly mounted with the fourth rotary table 24, a rotating shaft concentrically penetrates through the hollow shaft 10, the bottom end of the rotating shaft extends below the fourth rotary table 24 and is fixed with the third rotary table 23, the top end of the rotating shaft extends above the hollow shaft 10, a first bevel gear 9 is relatively fixed on the hollow shaft 10 and on the rotating shaft, a second bevel gear 11 engaged with the first bevel gear 9 is mounted between the two first bevel gears 11, the second bevel gear 11 is rotatably mounted on a fixed support plate on the frame 1, the lower surface of the fourth rotary table 24 is slidably mounted on a fixed support plate, a movable plate 21 is provided with a movable block 21 along a radial direction, the lower surface for the supporting rod 7, the supporting rod 7 is provided with a pin shaft 7, the movable block, the third connecting rod 7 is provided with a third connecting rod 7, the movable block, the connecting rod 7, the movable block, the connecting rod 21 is provided with a pin for preventing the movable block 7, one end of the support rod 16 is rotatably connected with the drive rod, a rack 20 is slidably mounted in a third through groove on the support rod 16, a through hole for the first pin 7 to pass through is formed in the rack 20, a driven gear 19 meshed with the rack 20 is rotatably mounted on one side of the rack 20 on the support rod 16, an electric push rod 17 is fixedly mounted at the bottom end of a mounting shaft of the driven gear 19, a crushing shaft is fixedly mounted at the bottom end of a telescopic rod of the electric push rod 17, a crushing blade 18 is fixedly mounted on the crushing shaft, in operation, the hollow shaft 10 is driven by the drive mechanism 8 to rotate, the hollow shaft 10 drives the fourth turntable 24 to rotate, the fourth turntable 24 drives the movable block 21 and the drive rod to revolve, the drive rod drives the support rod 16 to swing and simultaneously to reciprocate, the support rod 16 drives the crushing blade 18 thereon to move synchronously, the rack 20 drives the gear to rotate positively and negatively relative to the gear, the gear drives the crushing blade 18 to positively and negatively rotate, soil is crushed at multiple angles, the first bevel gear 9 and the second bevel gear 11 drive the rotating shaft to reversely rotate when the hollow shaft 10 rotates, the third turntable 23 drives the movable block 21 to reversely rotate, the third turntable 23 drives the movable block 21 to move reversely through the second connecting rod 22, the movable block 21 to further increase the reciprocating range of the soil crushing efficiency, and the reciprocating range of the soil is further increased.

Example 2

Referring to fig. 3, the embodiment of the present invention is different from embodiment 1 in that the present invention further includes a spraying unit, the spraying unit includes a medicine box 26 and a spray pipe 27, the medicine box 26 is fixed on the vehicle frame 1 and is used for preparing pesticide, rich water, and the like, the clear water can be filled without any limitation, the spray pipe 27 is installed at the bottom of the vehicle frame 1, a pump body is installed in the medicine box 26, and the pump body is connected with the spray pipe 27 through a water pipe, so that pesticide or fertilizer can be sprayed, and planting efficiency can be improved.

The working principle of the invention is as follows: as shown in fig. 1, initially, the rotary tillage assemblies 15 on the three mounting rods 14 are all located above soil, then a first motor is started, the first motor drives a first rotary plate 12 to rotate, the first rotary plate 12 drives a sliding seat to move, the sliding seat drives a pin to move, the pin drives the three mounting rods 14 to rotate, the three groups of rotary tillage assemblies 15 all enter the soil, the three groups of rotary tillage assemblies 15 are located at different depths, rotary tillage operation is performed on the soil in a layering manner, the working efficiency is improved while the rotary tillage assemblies 15 are effectively protected, the rotary tillage depths of the three groups of rotary tillage assemblies 15 can be synchronously adjusted by driving the first rotary plate 12 to rotate at different angles through the first motor, and different working requirements are met; the driving mechanism 8 drives the hollow shaft 10 to rotate, the hollow shaft 10 drives the fourth rotary table 24 to rotate, the fourth rotary table 24 drives the movable block 21 and the driving rod to revolve, the driving rod drives the supporting rod 16 to swing and simultaneously reciprocate, the supporting rod 16 drives the crushing blades 18 on the supporting rod to synchronously move, meanwhile, the rack 20 drives the gears to rotate forward and backward relative to the gear movement, the gears drive the crushing blades 18 to rotate forward and backward, soil is crushed at multiple angles, when the hollow shaft 10 rotates, the rotating shaft is driven to rotate backward through the cooperation of the first bevel gear 9 and the second bevel gear 11, the rotating shaft drives the third rotary table 23 to rotate backward, the third rotary table 23 drives the movable block 21 to reciprocate through the second connecting rod 22, the movable block 21 drives the driving rod to reciprocate, the movement range of the supporting rod 16 is further expanded, and the soil crushing efficiency is improved; drive second carousel 3 through the second motor and rotate, second carousel 3 drives the revolution of second round pin axle 6, second round pin axle 6 drives depression bar 25 downstream, depression bar 25 drives screed 2 downstream, 2 limits of screed push down soil, second round pin axle 6 drives depression bar 25 and moves on the horizontal direction simultaneously, flatten and trowel soil, play better level and smooth effect, work efficiency has been improved, can spray pesticide or fertilizer through spraying the unit, help improving planting efficiency.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. The land leveling device for sweet potato planting comprises a frame (1), and a rotary tillage unit and a leveling unit which are arranged on the frame (1), and is characterized in that the rotary tillage unit comprises a rotary tillage component (15), a first rotary table (12), a first connecting rod (13) and installation rods (14), three installation rods (14) are arranged on the frame (1) at intervals, the middle parts of the installation rods (14) are rotatably connected with the frame (1), the bottom ends of the installation rods (14) extend to the lower part of the frame (1) and are provided with the rotary tillage component (15), a first through groove is formed in the upper part of the installation rods (14), a first motor is fixedly installed on one side of each of the three installation rods (14) on the frame (1), a first rotary table (12) is fixedly installed on an output shaft of the first motor, the first connecting rod (13) is eccentrically hinged to the end face of the first rotary table (12), one end, far away from the first connecting rod (13), is hinged to a sliding seat, the sliding seat is connected with the frame (1), pins are fixedly installed on the front side wall, and the first through grooves (14) sequentially;

a soil crushing unit is arranged between the rotary tillage unit and the leveling unit, the soil crushing unit comprises a hollow shaft (10), a driving mechanism (8) for driving the hollow shaft (10) to rotate, a fourth rotary disc (24), a third rotary disc (23), a second connecting rod (22), a supporting rod (16) and a crushing blade (18), the hollow shaft (10) vertically penetrates through the frame (1) and is rotatably connected with the frame, the driving mechanism (8) is installed on the frame (1) and is in driving connection with the hollow shaft (10), the bottom end of the hollow shaft (10) is fixedly provided with the fourth rotary disc (24), a rotating shaft concentrically penetrates through the hollow shaft (10), the bottom end of the rotating shaft extends to the lower part of the fourth rotary disc (24) and is fixedly provided with the third rotary disc (23), the top end of the rotating shaft extends to the upper part of the hollow shaft (10), the hollow shaft (10) and the rotating shaft are relatively fixedly provided with a first bevel gear (9), a second bevel gear (11) meshed with the two first bevel gears (9) are installed between the two first bevel gears (9), the second bevel gears (11) are rotatably installed on a supporting plate fixed on the frame (1), the fourth rotary disc (24) and are movably installed along the radial direction, the lower surface of the third rotary disc (21) is hinged with a movable block (21), and one end of the second connecting rod (21) is hinged with the second rotary disc (22), the movable block (21) bottom is fixed with the actuating lever, frame (1) bottom is located fourth carousel (24) outside hoop equidistance and is fixed with many first round pin axle (7), set up the third that supplies first round pin axle (7) to pass and move and lead to the groove on bracing piece (16), lie in bracing piece (16) both sides on first round pin axle (7) and be equipped with the spacing ring, bracing piece (16) one end is rotated with the actuating lever and is connected, lie in third through-slot slidable mounting on bracing piece (16) and have rack (20), set up the perforation that supplies first round pin axle (7) to pass on rack (20), lie in rack (20) one side rotation on bracing piece (16) and install driven gear (19) of rack (20) meshing, the installation axle bottom fixed mounting of driven gear (19) has electric putter (17), and the telescopic link bottom fixed mounting of electric putter (17) has crushing roller, and last fixed mounting of crushing roller has crushing blade (18).

2. The sweet potato planting land leveling device of claim 1, wherein a positioning pin is arranged at one end of the pin far away from the sliding base in a penetrating manner.

3. The land leveling device for sweet potato planting according to claim 1, wherein the leveling unit comprises a second motor, a second turntable (3), a movable rod (4), a pressure rod (25) and a leveling plate, the second motor is fixedly mounted on the frame, the second turntable (3) is fixedly mounted on an output shaft of the second motor, the front side of the second turntable (3) is cooperatively connected with the movable rod (4), guide rods (5) are movably arranged at both ends of the movable rod (4), the guide rods (5) are fixed on the frame (1), a second pin shaft (6) is eccentrically fixed on the front end surface of the second turntable (3), a second through groove is formed in the movable rod (4) for the second pin shaft (6) to be inserted and movable, the movable rod (4) is slidably connected with the pressure rod (25), the top end of the pressure rod (25) extends into the second through groove and is rotatably connected with the second pin shaft (6), a support rod (25) is movably inserted into the bottom end of the support rod, the leveling plate (2) is fixed with the leveling plate, a spring (25) is sleeved on the support rod between the leveling plate (2) and the pressure rod (25), and two ends of the leveling plate (2) are respectively connected with the spring (2) and the leveling plate (25).

4. The land leveling device for sweet potato planting according to claim 3, wherein the pressure lever (25) is provided with a projection, and the movable lever (4) is provided with a groove which is in sliding fit with the projection.

5. The sweet potato planting land leveling device according to claim 1, wherein the driving mechanism (8) is a driving motor and a spur gear pair.

6. The land leveling device for sweet potato planting according to claim 1, further comprising a spraying unit, wherein the spraying unit comprises a medicine box (26) and a spraying pipe (27), the medicine box (26) is fixed on the frame (1), the spraying pipe (27) is installed at the bottom of the frame (1), a pump body is installed in the medicine box (26), and the pump body is connected with the spraying pipe (27) through a water pipe.