CN216338944U

CN216338944U - Highway maintenance road surface crack pouring machine pitch sprinkler

Info

Publication number: CN216338944U
Application number: CN202122887838.5U
Authority: CN
Inventors: 甘富军; 张清春; 孙晓平; 杨晓艳; 马玉莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-19
Anticipated expiration: 2031-11-23

Abstract

The application discloses an asphalt spraying device of a highway maintenance pavement crack sealing machine, which comprises a movable base, an asphalt box and a spray head; the bottom end of the spray head is in threaded sleeve connection with a hose, and the other end of the hose is in threaded connection with a hard pipe. Through backup pad and slider cooperation, can adjust the distance between hard tube and the removal base, make things convenient for the hard tube to remove to the fissured central point of different width and put the department, and can follow fissured degree of depth, highly adjust the hard tube, sprinkler's application scope and practicality have been improved, when the crack is filled through the direction scraper blade, the unnecessary pitch of crack both sides is cleared up and is struck off, thereby avoid the unnecessary pitch of crack both sides more to influence the road surface roughness, sprinkler's practicality has been improved, the waste of pitch when spraying has been reduced, can be more abundant fill the crack, thereby the compactness of pitch when having improved the crack, also can adapt to the crack of the different degree of depth and width.

Description

Highway maintenance road surface crack pouring machine pitch sprinkler

Technical Field

The application relates to a sprinkler, especially a highway maintenance road surface crack sealing machine pitch sprinkler.

Background

The asphalt type artificial matching method is characterized by that it uses a mixture of mineral aggregate with a certain gradation composition, broken stone or crushed gravel, stone chip or sand and mineral powder, and a certain proportion of road asphalt material, and mixes them under the condition of strict control, when the road surface has crack, the crack can be cleaned to prevent crack from expanding, then the crack can be grouted by adopting a crack-pouring machine to spray asphalt.

The pitch sprinkler of traditional pouring machine is when spraying, and partial nozzle is fixed, sprays pitch along with the pouring machine removes, can't adjust according to actual conditions such as cracked width, leads to sprinkler when using, and application range is narrower, and partial nozzle formula that sprays is swing joint, but needs the manual and crack laminating of workman, and the operation is comparatively hard, has reduced sprinkler's practicality. Therefore, the asphalt spraying device of the road maintenance pavement crack sealing machine is provided aiming at the problems.

Disclosure of Invention

The utility model provides a highway maintenance road surface pouring machine pitch sprinkler is used for solving the problem that the nozzle that pitch sprinkler among the prior art is in adjusts inconveniently or the operation is comparatively hard.

According to one aspect of the application, an asphalt spraying device of a road maintenance pavement crack sealing machine is provided, and comprises a movable base, an asphalt box and a spray head; the spray head bottom end is in threaded sleeve connection with a hose, the other end of the hose is in threaded connection with a hard pipe, the hard pipe is sleeved with a connecting hoop, the two ends of the rear side of the connecting hoop are fixed through bolts, the top end of a movable base above the connecting hoop is fixed with a supporting plate through bolts, the top end of the connecting hoop is fixed with a moving rod, the outer side of the moving rod is in sliding sleeve connection with a fixed sleeve, the top end of the fixed sleeve is fixed with a connecting screw rod, the top end of the connecting screw rod is fixed with a sliding block, the sliding block and the connecting screw rod are both in sliding connection with the inner part of the supporting plate, the connecting screw rod at the bottom end of the supporting plate is in threaded sleeve connection with a rotating clamping block, the inner part of the fixed sleeve at the front side of the moving rod is in sliding connection with the moving clamping block, the side edge of the moving clamping block is connected with a rotating screw rod through a bearing, and the rotating screw rod is in threaded connection with the front arm of the fixed sleeve through a threaded hole, the one end that the hose was kept away from to the hard tube is provided with limit structure, be provided with auxiliary structure on the carriage release lever of fixed sleeving below.

Further, limit structure includes the direction scraper blade, the side all is fixed with the connecting plate around the hard tube, and all sliding connection have supporting screw in the connecting plate outer end, threaded connection has the stopper on the supporting screw of connecting plate bottom, the guiding scraper blade has all been cup jointed in the sliding of supporting screw bottom, and all is fixed with the spring between supporting screw bottom and the direction scraper blade inside.

Furthermore, the auxiliary structure includes adjusting screw and vibrations pole, one side that the carriage release lever kept away from the hose is fixed with the connecting rod, and is fixed with the supporting shoe on the connecting rod, it has adjusting screw to link through screw hole screw thread in the supporting shoe inside, and adjusting screw runs through to the one end of supporting shoe bottom and is fixed with the vibrations pole.

Furthermore, the connecting hoop is arranged into an arc shape matched with the hard tube, and a protective rubber pad is glued on the inner side of the connecting hoop.

Furthermore, a T-shaped groove matched with the sliding block and the connecting screw rod is formed in the supporting plate, and the diameter length of the rotating clamping block is larger than the length of the bottom end of the T-shaped groove.

Furthermore, a T-shaped sliding groove matched with the moving rod is formed in the fixing sleeve, and a placing groove matched with the moving clamping block is formed in the fixing sleeve on the side edge of the moving rod.

Furthermore, anti-skidding rubber mats are glued to the top end of the rotating clamping block and the rear side of the moving clamping block, and the moving clamping block is arranged to be arc-shaped and matched with the moving rod.

Furthermore, the supporting screw rods are all arranged to be T-shaped, the top ends of the guiding scraping plates are provided with rotating holes matched with the supporting screw rods, and the length of the limiting blocks is larger than that of the rotating holes.

Furthermore, the end of the guiding scraper close to the spray head is fan-shaped, the inside of the connecting plate is provided with a groove matched with the connecting plate, and the diameter length of the limiting block is greater than the length of the groove.

Furthermore, the adjusting screw rod is arranged in a T shape, the vibration rod and the hard tube are positioned on the same straight line, and the sum of the heights of the adjusting screw rod and the vibration rod is greater than the height from the supporting block to the bottom end of the hard tube.

Through the above-mentioned embodiment of this application, adjustable bearing structure has been adopted, through slider and backup pad cooperation, can adjust the hard tube and the distance of removing between the base, can adapt to the crack of different width, through carriage release lever and fixed sleeve cooperation, can adjust the hard tube to the distance between the ground, can adapt to the crack of the different degree of depth, and need not the manual work and grip the operation, the problem that the nozzle that has solved current pitch sprinkler is adjusted inconveniently or the operation is comparatively hard has improved sprinkler's practicality and the convenience when using.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic rear view of a partial structure according to an embodiment of the present application;

FIG. 3 is a schematic side sectional view of a portion of one embodiment of the present application;

fig. 4 is a partially schematic front sectional view of a guide blade according to an embodiment of the present application.

In the figure: 1. moving the base; 2. an asphalt box; 3. a spray head; 4. a hose; 5. a hard tube; 6. a connection ferrule; 7. a support plate; 8. a travel bar; 9. fixing the sleeve; 10. moving the clamping block; 11. rotating the screw; 12. connecting a screw rod; 13. a slider; 14. rotating the clamping block; 15. a connecting plate; 16. a support screw; 17. a guiding scraper; 18. a spring; 19. a limiting block; 20. a connecting rod; 21. a support block; 22. adjusting the screw rod; 23. a vibration rod.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Sprinkler in this embodiment can be applicable to the pouring machine, for example, provides such as following highway maintenance road surface pouring machine pitch sprinkler in this embodiment, and sprinkler in this embodiment can be used to a pouring machine for road construction.

The automatic seam filling machine comprises a seam filling machine body, wherein a supporting plate is fixedly connected to the bottom of the front side of the seam filling machine body, a supporting block is sleeved at the bottom of the supporting plate, the bottom of the supporting plate penetrates into the supporting block, two buckling mechanisms are fixedly connected to the inside of the supporting block, clamping grooves matched with the buckling mechanisms are formed in the front side and the rear side of the supporting plate, each buckling mechanism comprises a fixed rod, a rotating plate is sleeved on the surface of the fixed rod, clamping blocks matched with the clamping grooves are fixedly connected to the tops of opposite sides of the two rotating plates, springs are fixedly connected to opposite sides of the two rotating plates, one side of each spring, which is far away from the corresponding rotating plate, is fixedly connected with the inner wall of the supporting block, an extrusion plate is movably connected to the left side of the rotating plate, the opposite sides of the two extrusion plates penetrate to the outer side of the supporting block, and a movable frame is sleeved on the surface of the supporting block, the extrusion groove that uses with the stripper plate cooperation is seted up to one side that the adjustable shelf is close to the stripper plate, the left side fixedly connected with push rod of adjustable shelf, two sliding sleeves of inner wall fixedly connected with of adjustable shelf, the inside sliding connection of sliding sleeve has the slide bar, the top and the bottom of slide bar all with the inner wall fixed connection of supporting shoe.

The crack pouring machine is a Chinese utility model patent application number: cn202021814292.x, can be used in this application.

Of course, the embodiment can be used for other crack pouring machines. The details are not repeated here, and the spraying device according to the embodiment of the present application is described below.

Referring to fig. 1-4, an asphalt spraying device of a road maintenance pavement crack sealing machine comprises a movable base 1, an asphalt box 2 and a nozzle 3; the bottom end of the spray head 3 is in threaded sleeve connection with a hose 4, the other end of the hose 4 is in threaded connection with a hard pipe 5, the hard pipe 5 is sleeved with a connecting hoop 6, two ends of the rear side of the connecting hoop 6 are fixed through bolts, the top end of a movable base 1 above the connecting hoop 6 is fixed with a support plate 7 through bolts, the top end of the connecting hoop 6 is fixed with a movable rod 8, the outer side of the movable rod 8 is in sliding sleeve connection with a fixed sleeve 9, the top end of the fixed sleeve 9 is fixed with a connecting screw 12, the top end of the connecting screw 12 is fixed with a sliding block 13, the sliding block 13 and the connecting screw 12 are both in sliding connection with the inside of the support plate 7, the connecting screw 12 at the bottom end of the support plate 7 is in threaded sleeve connection with a rotating clamping block 14, the inside of the fixed sleeve 9 at the front side of the movable rod 8 is in sliding connection with a movable clamping block 10, the side edge of the movable clamping block 10 is connected with a rotating screw 11 through a bearing, and the rotating screw 11 is in threaded connection with the front arm of the fixed sleeve 9 through a threaded hole, one end, far away from the hose 4, of the hard pipe 5 is provided with a limiting structure, an auxiliary structure is arranged on the moving rod 8 below the fixed sleeve 9, the hard pipe 5 can be conveniently adapted to cracks with different widths and depths by matching the supporting plate 7, the moving rod 8, the fixed sleeve 9 and the sliding block 13, the application range of the spraying device is improved, and the hard pipe 5 does not need to be manually supported, so that the spraying device is more convenient and labor-saving to use;

the limiting structure comprises a guiding scraper 17, connecting plates 15 are fixed on the front side and the rear side of the hard tube 5, the outer ends of the connecting plates 15 are connected with supporting screws 16 in a sliding mode, the supporting screws 16 at the bottom ends of the connecting plates 15 are connected with limiting blocks 19 in a threaded mode, the bottom ends of the supporting screws 16 are sleeved with the guiding scraper 17 in a sliding mode, springs 18 are fixed between the bottom ends of the supporting screws 16 and the interior of the guiding scraper 17, when crack pouring is conducted through the guiding scraper 17, redundant asphalt on two sides of a crack is cleaned and scraped, and the flatness of a pavement after crack pouring is guaranteed; the auxiliary structure comprises an adjusting screw rod 22 and a vibration rod 23, a connecting rod 20 is fixed on one side of the moving rod 8, which is far away from the hose 4, a supporting block 21 is fixed on the connecting rod 20, the inside of the supporting block 21 is connected with the adjusting screw rod 22 through a threaded hole in a threaded manner, the vibration rod 23 is fixed at one end, penetrating through the adjusting screw rod 22, of the bottom of the supporting block 21, and the vibration rod 23 vibrates asphalt in a crack, so that the asphalt is more tightly filled under the vibration effect;

the connecting hoop 6 is arranged into an arc shape matched with the hard tube 5, and a protective rubber pad is glued on the inner side of the connecting hoop 6, so that the connecting hoop 6 is conveniently fixed on the hard tube 5; a T-shaped groove matched with the sliding block 13 and the connecting screw rod 12 is formed in the supporting plate 7, the diameter length of the rotating clamping block 14 is larger than the length of the bottom end of the T-shaped groove, the sliding block 13 is prevented from moving out of the supporting plate 7, the sliding block 13 can conveniently transversely move in the supporting plate 7, and the rotating clamping block 14 can be abutted to the bottom end of the supporting plate 7; a T-shaped sliding groove matched with the moving rod 8 is formed in the fixed sleeve 9, a placing groove matched with the moving clamping block 10 is formed in the fixed sleeve 9 on the side edge of the moving rod 8, the moving rod 8 can conveniently move in the fixed sleeve 9, the fixed sleeve 9 cannot be moved out, and the moving clamping block 10 can conveniently move to be separated from the moving rod 8; anti-skid rubber pads are glued to the top end of the rotating clamping block 14 and the rear side of the moving clamping block 10, and the moving clamping block 10 is arranged in an arc shape matched with the moving rod 8, so that the rotating clamping block 14 and the moving clamping block 10 can clamp and fix the support plate 7 and the moving rod 8 conveniently; the supporting screws 16 are all arranged in a T shape, the top end of the guide scraper 17 is provided with a rotating hole matched with the supporting screws 16, the length of the limiting block 19 is larger than that of the rotating hole, the supporting screws 16 are convenient to rotate, and the limiting block 19 is prevented from moving out of the guide scraper 17; one ends of the guide scrapers 17 close to the spray head 3 are all arranged in a fan shape, the connecting plates 15 are internally provided with slots matched with the connecting plates 15, the diameter lengths of the limiting blocks 19 are all larger than the length of the slots, so that the distance between the two guide scrapers 17 can be conveniently adjusted according to the width of the crack, and the guide scrapers 17 can conveniently scrape the asphalt on the crack side; the adjusting screw 22 is set to be T-shaped, the vibration rod 23 and the hard tube 5 are positioned on the same straight line, the sum of the heights of the adjusting screw 22 and the vibration rod 23 is larger than the height from the supporting block 21 to the bottom end of the hard tube 5, and the vibration rod 23 can conveniently stretch into a crack, so that the asphalt can be conveniently vibrated.

When the asphalt spraying device is used and asphalt is required to be sprayed, the rotating screw rod 11 and the rotating clamping block 14 are rotated, the rotating clamping block 14 rotates until clamping fixation on the supporting plate 7 is released, the rotating screw rod 11 rotates to drive the moving clamping block 10 to move towards the front side, so that clamping fixation of the moving clamping block 10 on the moving rod 8 is released, clamping fixation of the moving clamping block 10 on the moving rod 8 can be released, the fixing sleeve 9 is pulled, the sliding block 13 is driven to be in the supporting plate 7, the hard pipe 5 can be conveniently moved to the middle of cracks with different widths, after the hard pipe 5 is moved to the middle of the cracks, the rotating clamping block 14 is screwed, the rotating clamping block 14 is enabled to clamp and fix the supporting plate 7 again, then the moving rod 8 is pulled, the distance between the hard pipe 5 and the ground can be adjusted under the matching of the hose 4, the hard pipe 5 can conveniently stretch into the cracks, then the rotating screw rod 11 is screwed, and the moving clamping block 10 is driven to clamp and fix the moving rod 8 again, then activity supporting screw 16, drive direction scraper blade 17 and remove to laminating with the ground of crack both sides, then twist stopper 19, make stopper 19 butt in connecting plate 15 bottom, can be spacing to direction scraper blade 17, when removing base 1 and removing, during the hard tube 5 cementation of fissures, direction scraper blade 17 strikes off the unnecessary pitch in crack both sides, the removal 8 removes and drives supporting shoe 21 and remove simultaneously, the removal 8 is fixed the back, twist adjusting screw 22, drive vibrations pole 23 and reciprocate, make vibrations pole 23 insert in the crack, during the cementation of fissures, remove the vibrations power that base 1 removed and shower nozzle 3 operation produced, drive vibrations pole 23 vibrations, drive the pitch vibrations in the crack through vibrations pole 23, make the pitch filling in the crack inseparabler.

The application has the advantages that:

1. the spraying device is simple to operate, the distance between the hard tube 5 and the movable base 1 can be adjusted through the matching of the supporting plate 7 and the sliding block 13, the hard tube 5 can be conveniently moved to the center position of cracks with different widths, the height of the hard tube 5 can be adjusted along with the depth of the cracks, and the application range and the practicability of the spraying device are improved;

2. the structure is reasonable, when the crack is filled through the guide scraper 17, redundant asphalt on two sides of the crack is cleaned and scraped, so that the condition that the redundant asphalt on two sides of the crack affects the pavement evenness is avoided, the practicability of the spraying device is improved, and the waste of the asphalt during spraying is reduced;

3. this application is rational in infrastructure, shakes the pitch in the crack through vibrations pole 23 for pitch can be more abundant fill the crack under the vibrations effect, thereby the compactness of pitch when having improved the cementation of fissures also can adapt to the crack of the different degree of depth and width.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a highway maintenance road surface crack sealing machine pitch sprinkler which characterized in that: comprises a movable base (1), an asphalt box (2) and a spray head (3); the bottom end of the spray head (3) is in threaded sleeve connection with the hose (4), the other end of the hose (4) is in threaded connection with the hard pipe (5), the hard pipe (5) is sleeved with the connecting hoop (6), the two ends of the rear side of the connecting hoop (6) are fixed through bolts, the top end of the movable base (1) above the connecting hoop (6) is fixed with the support plate (7) through bolts, the top end of the connecting hoop (6) is fixed with the movable rod (8), the outer side of the movable rod (8) is in sliding sleeve connection with the fixed sleeve (9), the top end of the fixed sleeve (9) is fixed with the connecting screw rod (12), the top end of the connecting screw rod (12) is fixed with the slide block (13), the slide block (13) and the connecting screw rod (12) are both in sliding connection with the inner portion of the support plate (7), and the connecting screw rod (12) at the bottom end of the support plate (7) is in threaded sleeve connection with the rotating clamp block (14), the utility model discloses a hose, including removal pole (8), runner bar (8), rotation screw rod (11), fixed sleeve pipe (9) inside sliding connection of removal clamp splice (8) front side has removal clamp splice (10), and removes clamp splice (10) side and be connected with through the bearing and rotate screw rod (11), it all is connected with fixed sleeve pipe (9) forearm threaded connection through the screw hole to rotate screw rod (11), the one end that hose (4) were kept away from in hard tube (5) is provided with limit structure, be provided with auxiliary structure on runner bar (8) of fixed sleeve pipe (9) below.

2. The asphalt spraying device of the road maintenance pavement crack sealing machine according to claim 1, characterized in that: limiting structure includes direction scraper blade (17), the side all is fixed with connecting plate (15) around hard tube (5), and all sliding connection have supporting screw (16) in connecting plate (15) outer end, threaded connection has stopper (19) on supporting screw (16) of connecting plate (15) bottom, supporting screw (16) bottom all slides and has cup jointed direction scraper blade (17), and all is fixed with spring (18) between supporting screw (16) bottom and direction scraper blade (17) inside.

3. The asphalt spraying device of the road maintenance pavement crack sealing machine according to claim 1, characterized in that: the auxiliary structure comprises an adjusting screw rod (22) and a vibration rod (23), a connecting rod (20) is fixed on one side, away from the hose (4), of the moving rod (8), a supporting block (21) is fixed on the connecting rod (20), the supporting block (21) is connected with the adjusting screw rod (22) through a threaded hole in a threaded mode, and the vibration rod (23) is fixed at one end, penetrating through the supporting block (21), of the adjusting screw rod (22).

4. The asphalt spraying device of the road maintenance pavement crack sealing machine according to claim 1, characterized in that: the connecting hoop (6) is in an arc shape matched with the hard tube (5), and a protective rubber pad is glued on the inner side of the connecting hoop (6).

5. The asphalt spraying device of the road maintenance pavement crack sealing machine according to claim 1, characterized in that: the inside of the supporting plate (7) is provided with a T-shaped groove matched with the sliding block (13) and the connecting screw rod (12), and the diameter length of the rotating clamping block (14) is greater than the length of the bottom end of the T-shaped groove.

6. The asphalt spraying device of the road maintenance pavement crack sealing machine according to claim 1, characterized in that: the movable clamping device is characterized in that a T-shaped sliding groove matched with the movable rod (8) is formed in the fixed sleeve (9), and a placing groove matched with the movable clamping block (10) is formed in the fixed sleeve (9) on the side edge of the movable rod (8).

7. The asphalt spraying device of the road maintenance pavement crack sealing machine according to claim 1, characterized in that: the anti-skidding rubber mat is glued to the top end of the rotating clamping block (14) and the rear side of the moving clamping block (10), and the moving clamping block (10) is arc-shaped and matched with the moving rod (8).

8. The asphalt spraying device of the road maintenance pavement crack sealing machine according to claim 2, characterized in that: support screw (16) all set up to "T" shape, direction scraper blade (17) top is seted up and is rotated the hole with support screw (16) complex, the length of stopper (19) all is greater than the length of rotating the hole.

9. The asphalt spraying device of the road maintenance pavement crack sealing machine according to claim 2, characterized in that: one end of the guide scraper (17) close to the spray head (3) is fan-shaped, the connecting plate (15) is internally provided with a groove matched with the connecting plate (15), and the diameter length of the limiting block (19) is greater than the groove length.

10. The asphalt spraying device of the road maintenance pavement crack sealing machine according to claim 3, characterized in that: the adjusting screw rod (22) is T-shaped, the vibration rod (23) and the hard tube (5) are positioned on the same straight line, and the sum of the heights of the adjusting screw rod (22) and the vibration rod (23) is greater than the height from the supporting block (21) to the bottom end of the hard tube (5).