CN221028246U - Discharging device of vinasse carbonization equipment - Google Patents

Abstract

The application provides a discharging device of vinasse carbonization equipment, which relates to the technical field of vinasse carbonization and comprises a mounting seat, a retraction assembly, a shielding assembly, a driving assembly and a material collecting box, wherein the driving assembly drives a supporting arm of the retraction assembly to slide towards or away from the central position of the mounting seat, the shielding assembly arranged on the supporting arm is driven by the movement of the supporting arm to be attached to the outer wall of the material collecting box, a closed cavity is formed between a discharging port and the material collecting box, carbon powder volatilization in biological carbon is reduced to cause pollution, after discharging is completed, when the material collecting box is required to be moved to carry out biological carbon transfer, the shielding assembly is driven to be away from the material collecting box, so that free movement of the material collecting box can be realized, and the manual operation is reduced and the discharging efficiency is improved through mechanized operation while the carbon powder pollution is reduced.

Description

Discharging device of vinasse carbonization equipment

Technical Field

The application relates to the technical field of vinasse carbonization, in particular to a discharging device of vinasse carbonization equipment.

Background

Distillers ' grains are usually residues generated in the brewing process, and a great amount of distillers ' grains are generated in the production and manufacturing process, so that the distillers ' grains have high carbohydrate, high protein and other nutrients and are commonly used as raw materials of feed and organic fertilizer for biological utilization. In addition, the distillers' grains also contain rich organic matters and carbon, can be prepared into biochar through deep processing, and besides being capable of providing renewable clean energy, the biochar has large specific surface area, high porosity and long-term stability, and can be widely applied to the fields of petrochemical industry, pharmacy, environmental protection and the like as well as the composite preparation of catalysts with metal platinum, rhodium, palladium and the like.

The process of producing biological charcoal from distiller's grains is carried out by oven drying, carbonizing, cooling, and conventional continuous distiller's grains carbonizing equipment. Firstly, vinasse enters a drying furnace of vinasse carbonization equipment to be dried, the dried vinasse enters a carbonization main furnace through a belt conveyor to be heated and carbonized, the conventional continuous production carbonization main furnace is a horizontal carbonization furnace, after pyrolysis, carbonization and gasification reactions are completed in the carbonization main furnace, solid biochar is generated and discharged from a carbon outlet, the solid biochar enters a screw conveyor of the subsequent vinasse carbonization equipment, in the conveying process, a water cooling device of the vinasse carbonization equipment cools the biochar, and after the cooling, the biochar is discharged from a discharge outlet of the screw conveyor.

Because form partial carbon powder in the lees carbonization process, at present, when biological charcoal is discharged from the discharge gate of lees carbonization equipment, carbon powder volatilizes, pollution equipment and working place easily, therefore, operating personnel adopts plastic film as the shielding object to cover between the passageway of discharge gate and collection box generally, in order to reduce the pollution that carbon powder volatilizees, after the collection box is loaded completely, remove plastic film again, put into next collection box, cover plastic film again to between the passageway of discharge gate and collection box, in continuous operation process, need operating personnel to operate repeatedly, be unfavorable for improving ejection of compact efficiency when reducing carbon powder pollution.

Disclosure of utility model

In order to improve the discharging efficiency while reducing carbon powder pollution of the vinasse carbonization equipment, the application provides a discharging device of the vinasse carbonization equipment.

The utility model provides a discharging device of lees carbonization equipment, includes the mount pad, receive and releases the subassembly, shields subassembly, drive assembly and gathers materials the case, the mount pad install in on the ejection of compact pipeline of lees carbonization equipment, gather materials the case place in ejection of compact pipeline below for the splendid attire is followed the biochar of ejection of compact pipeline's discharge gate release, receive and release the subassembly including more than three support arm, shield the subassembly set up in on the support arm, and the discharge gate with enclose into the enclosure space between the case that gathers materials, the one end of support arm slide set up in on the mount pad, the other end of support arm with the outer wall butt of case gathers materials, drive assembly install in on the mount pad, and with the support arm drive connection, the drive the support arm is towards or keep away from the central point of mount pad puts the slip.

Through adopting above-mentioned technical scheme, the support arm of drive assembly drive receive and release subassembly is slided towards or is kept away from the central point of mount pad, utilize the motion of support arm to drive the outer wall that sets up shielding assembly laminating or keep away from collection workbin on the support arm, thereby realize when the ejection of compact, shielding assembly laminating is on collection workbin outer wall, prevent that carbon dust in the biochar from volatilizing and causing the pollution, after accomplishing the ejection of compact, when needs remove collection workbin and carry out the biochar transportation, the drive shields the subassembly and keeps away from collection workbin, realize collection workbin's free movement, when preventing carbon dust pollution, through mechanized operation, manual operation has been reduced, discharge efficiency has been improved.

Optionally, the mount pad includes mount pad main part and rotates the disk body, the mount pad main part install in on the ejection of compact pipeline, and rotate the disk body rotate install in the mount pad main part, set up the spacing groove more than three in the mount pad main part, the one end of support arm is provided with the sliding block, sliding block slidable mounting in the spacing groove, and the top of sliding block is provided with the screw thread, the bottom of rotating the disk body be provided with screw thread engagement's equidistant helicla flute, drive assembly with rotate the disk body drive and be connected, the drive rotate the disk body.

Through adopting above-mentioned scheme, drive assembly drive rotation disk body rotates in the mount pad main part, and then drive the support arm motion of the equidistant helicla flute meshing through the screw thread of slider and rotation disk body, because the support arm is installed in the spacing inslot of mount pad main part, make the support arm unable to follow rotation disk body and take place to rotate, and under equidistant helicla flute pivoted drive, drive the radial emergence motion of support arm along the mount pad main part, when drive assembly drive rotation disk body is reversed, equidistant helicla flute reverse motion, and then drive the support arm along the radial emergence reverse motion of mount pad main part, and then realize that the support arm slides towards or keep away from the central point of mount pad, drive shielding assembly laminating case outer wall or keep away from the case outer wall that gathers materials, accomplish shielding assembly's receive and release process.

Optionally, an annular mounting groove is formed in the mounting seat main body, and the rotating disc body is rotatably mounted in the annular mounting groove.

By adopting the scheme, the stability and the integration level of the structure can be improved.

Optionally, the rocking arm of fixed connection on the rotating disk body, drive assembly includes driving motor, swiveling wheel and connecting rod, the swiveling wheel with coaxial fixed connection of driving motor's axis of rotation, the one end of connecting rod with the rocking arm articulates, the other end with the edge of swiveling wheel articulates.

Through adopting above-mentioned scheme, utilize driving motor drive swiveling wheel to rotate, and then drive the connecting rod on the swiveling wheel and rotate to promote the rocking arm and rotate, drive the rotation disk body rotation with rocking arm fixed connection, and when driving motor reversal, drive the rotation disk body reverse rotation.

Optionally, the shielding assembly includes a shielding member and an absorbing member, the shielding member is disposed on the supporting arm, and the absorbing member is disposed inside the shielding member.

Through adopting above-mentioned scheme, utilize the carbon dust volatilizees in the shielding member to block biological charcoal and cause the pollution, the absorbing member can adsorb the carbon dust, further reduces the carbon dust and volatilizes.

Optionally, the shielding component is detachably and fixedly connected to the supporting arm.

Through adopting above-mentioned scheme, when shielding the subassembly and appear damaging in long-time working process, when needing to change, can conveniently dismantle and change.

Optionally, one end of the supporting arm, which is close to the material collecting box, is provided with a tight block.

Through adopting above-mentioned scheme, can further improve the laminating degree that shields subassembly and collection case outer wall, reduce carbon dust and volatilize and escape and cause the pollution.

Optionally, the mounting seat further comprises a height adjusting sleeve, the height adjusting sleeve is slidably sleeved on the discharging pipeline, and the mounting seat main body is fixedly connected to the height adjusting sleeve.

Through adopting above-mentioned scheme, can be adapted to the collection case of not co-altitude, further improve ejection of compact efficiency.

Optionally, a plurality of spacing holes have been seted up along the direction of height to high adjusting sleeve, the ejection of compact pipeline has seted up a plurality of mounting holes along the direction of height correspondence, high adjusting sleeve pass through the gag lever post with ejection of compact pipeline grafting.

Through adopting above-mentioned scheme, can conveniently adjust discharging device's height, improve adaptability.

Optionally, the discharging pipeline is provided with a lifting driving assembly, and the lifting driving assembly is in driving connection with the height adjusting sleeve and drives the height adjusting sleeve to vertically move.

By adopting the scheme, the mechanization degree can be improved, and the flexibility and the accuracy are improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The application provides a discharging device of vinasse carbonization equipment, which comprises a mounting seat, a retraction assembly, a shielding assembly, a driving assembly and a material collecting box, wherein the driving assembly drives a supporting arm of the retraction assembly to slide towards or away from the central position of the mounting seat, the shielding assembly arranged on the supporting arm is driven by the movement of the supporting arm to be attached to the outer wall of the material collecting box, a closed cavity is formed between a discharging hole and the material collecting box, pollution caused by volatilization of carbon powder in the biological carbon is reduced, after discharging is completed, when the material collecting box is required to be moved for transporting the biological carbon, the shielding assembly is driven to be away from the material collecting box, so that free movement of the material collecting box can be realized, and the manual operation is reduced and the discharging efficiency is improved through mechanized operation while the pollution of the carbon powder is reduced.

2. According to the discharging device of the vinasse carbonization equipment, the driving assembly is used for driving the rotating disc body to rotate in the mounting seat main body, so that the supporting arm meshed with the equidistant spiral grooves on the rotating disc body through threads is driven to move towards the center position along the radial direction of the mounting seat main body, the shielding assembly on the supporting arm is used for tightening the material collecting box, when the driving assembly drives the rotating disc body to rotate reversely, the supporting arm moves reversely along the radial direction of the mounting seat main body, the releasing of the shielding assembly on the supporting arm to the material collecting box is further realized, and the collecting and releasing process of the shielding assembly is efficiently completed.

3. According to the discharging device of the vinasse carbonization equipment, the rocker arm is fixedly connected to the rotating disc body, the driving assembly comprises the driving motor, the rotating wheel and the connecting rod, the rotating wheel is coaxially and fixedly connected with the rotating shaft of the driving motor, one end of the connecting rod is hinged to the rocker arm, the other end of the connecting rod is hinged to the edge of the rotating wheel, the rotating wheel is driven to rotate through the driving motor, the connecting rod is driven to rotate, the rocker arm is driven to rotate, the rotating of the rotating disc body is achieved, the reverse rotation of the rotating disc body is achieved through the driving motor, the rotating direction of the rotating disc body can be flexibly regulated and controlled, and the winding and unwinding processes of the winding and unwinding assembly are regulated and controlled.

Drawings

FIG. 1 is a schematic view of the installation of a discharge device of a stillage carbonization apparatus of the present application;

FIG. 2 is a schematic diagram of the whole structure of a discharging device of the vinasse carbonizing apparatus of the present application;

fig. 3 is a schematic view of a part of a discharging device of the vinasse carbonization device of the present application, omitting a shielding assembly, a collecting box and a mounting base main body.

Reference numerals illustrate: 1. a carbonization main furnace; 2. a screw conveyor; 21. a discharge pipe; 3. a discharging device; 31. a mounting base; 311. a mount main body; 3111. an annular mounting groove; 3112. a limit groove; 312. rotating the disc body; 3121. equidistant spiral grooves; 313. a height adjustment sleeve; 32. a retraction assembly; 321. a sliding block; 3211. a thread; 322. a retractable rod; 33. a shielding assembly; 34. a drive assembly; 341. a driving motor; 342. a rotating wheel; 343. a connecting rod; 35. a material collecting box; 4. and a lifting driving assembly.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses a discharging device of vinasse carbonization equipment. Referring to fig. 1, vinasse is heated in a carbonization main furnace 1 of a vinasse carbonization device, after pyrolysis, carbonization and gasification reactions are completed, solid biochar is generated and discharged from a carbon outlet and enters a screw conveyor 2 of a subsequent vinasse carbonization device, in the conveying process, a water cooling device of the vinasse carbonization device cools the biochar, after the cooling, the biochar is discharged from a discharge outlet of a discharge pipeline 21 of the screw conveyor 2, and a discharge device 3 of the embodiment is mounted on the discharge pipeline 21.

Referring to fig. 1 and 2, the discharging device 3 of the present embodiment includes a mounting seat 31, a retraction assembly 32, a shielding assembly 33, a driving assembly 34, and a collecting box 35. The mounting seat 31 is sleeved and fixedly connected to the discharging pipeline 21, and the fixed connection of the embodiment can adopt a fixed connection mode such as screw connection, welding, riveting, bonding, clamping connection, pin connection and the like which are conventional in the art. The retraction assembly 32 and the driving assembly 34 are arranged on the mounting seat 31, the shielding assembly 33 is arranged on the retraction assembly 32, and the driving assembly 34 is used for driving the retraction assembly 32 to realize retraction movement. The collection box 35 is disposed directly under the mounting seat 31 to collect biochar released from the discharge port of the discharge pipe 21. When the collecting and releasing assembly 32 is driven by the driving assembly 34 to be in a contracted state, the shielding assembly 33 encloses a closed space between the discharge hole and the collecting box 35, pollution caused by volatilization and escape of carbon powder in the biochar is reduced, and when the collecting and releasing assembly 32 is driven by the driving assembly 34 to be in a released state, the shielding assembly 33 releases the collecting box 35, so that the collecting box 35 is in a free state, and transportation of the collecting box 35 and the biochar contained in the collecting box can be conveniently realized.

Referring to fig. 2 and 3, the mounting seat 31 includes a mounting seat main body 311 and a rotating disc body 312, the mounting seat main body 311 is of a circular ring structure, and an annular mounting groove 3111 is formed in the mounting seat main body 311, so that the rotating disc body 312 is rotatably mounted in the annular mounting groove 3111, and equidistant spiral grooves (archimedes spiral grooves) 3121 are formed in the bottom of the rotating disc body 312. In order to limit radial displacement of the rotating disc 312 in the annular mounting groove 3111, three positioning protrusions are formed at the top of the rotating disc 312, and the mounting seat main body 311 is provided with positioning ring grooves at corresponding positions, so that the three positioning protrusions of the rotating disc 312 are clamped in the positioning ring grooves of the mounting seat main body 311, and positioning connection between the rotating disc 312 and the mounting seat main body 311 is realized.

Preferably, in order to realize the height adjustability of the discharging device 3 on the discharging pipeline 21 so as to be suitable for the material collecting boxes 35 with different heights, the mounting seat 31 further comprises a height adjusting sleeve 313, the height adjusting sleeve 313 is slidably sleeved on the discharging pipeline 21, the mounting seat main body 311 is fixedly connected to the height adjusting sleeve 313, and the height of the discharging device is adjusted by the vertical sliding of the height adjusting sleeve 313 on the discharging pipeline 21. Specifically, the height adjustment sleeve 313 is provided with a plurality of limiting holes along the height direction, the limiting holes penetrate through the wall thickness direction of the height adjustment sleeve 313, correspondingly, the discharging pipeline 21 is provided with a plurality of mounting holes along the height direction, when the height adjustment sleeve 313 is slidably adjusted to a proper height, the limiting rod is inserted into the limiting holes of the height adjustment sleeve 313, and is inserted into the mounting holes of the discharging pipeline 21 through the limiting holes, so that the plugging and fixing of the height adjustment sleeve 313 on the discharging pipeline 21 are realized. In order to realize the stability of fixed connection, the height adjusting sleeve 313 is provided with more than two groups of spacing holes distributed at intervals at different positions in the circumferential direction, and correspondingly, the discharging pipeline 21 is provided with more than two groups of mounting holes, and the discharging pipeline is inserted into the two groups of different spacing holes and the mounting holes for plugging and fixing through more than two spacing rods. In other embodiments, the height adjustment sleeve 313 is vertically moved on the discharge pipe 21 by the lift driving assembly 4 to achieve height adjustment, the lift driving assembly 4 may be a hydraulic cylinder or an air cylinder conventional in the art, the cylinder body of the lift driving assembly 4 is vertically and fixedly connected to the discharge pipe 21, and the moving end is hinged to the top end of the height adjustment sleeve 313.

Referring to fig. 2 and 3, the retractable assembly 32 of the present embodiment includes three support arms slidably mounted on the mounting base body 311 and uniformly spaced around the center line of the mounting base body 311. Correspondingly, three limiting grooves 3112 are formed in the mounting base main body 311, the cross section of each limiting groove 3112 is cross-shaped, and the axial direction of each limiting groove 3112 penetrates through the radial direction of the mounting base main body 311. The support arm includes the sliding block 321 on top and receive and release pole 322 with sliding block 321 bottom fixed connection, and the cross section of sliding block 321 corresponds with the shape of spacing groove 3112 to make sliding block 321 realize sliding connection with spacing groove 3112, and the top of sliding block 321 is formed with screw 3211, and this screw 3211 and the equidistant helical groove 3121 of the bottom of rotating disk body 312 intermesh. The folding rod 322 adopts a bending rod, one end close to the sliding block 321 is obliquely arranged, one end far away from the sliding rod 321 is vertically arranged, the bending angle theta is 20-40 degrees, the three folding rods 322 enclose a conical space below the rotating disc body 312, and the shielding component 33 is fixedly connected to the three folding rods 322. The shielding component 33 comprises a shielding member made of flexible materials, such as plastic films, and the shielding member is fixedly connected to the retraction rod 322 in a detachable and fixedly connected manner for facilitating the disassembly and assembly of the shielding member, and the detachable and fixedly connected manner can be in buckle connection, magic tape adhesion and the like, the upper end of the shielding member is in contact with the bottom end of the mounting seat main body 311, and the lower end of the shielding member is in contact with the outer wall of the collection box 35. In order to further reduce volatilization of carbon powder, the shielding component 33 further comprises an adsorption piece arranged inside the shielding piece, the adsorption piece is fixedly connected to the shielding piece, the adsorption piece can be made of porous foam cotton and the like, and for convenient disassembly and assembly, the adsorption piece can be fixed in a mode of buckle connection, magic tape adhesion and the like. In other embodiments, the number of the supporting arms may be four, five or more than six, and the number of the supporting arms is not particularly limited, so long as the retraction of the shielding assembly 33 and the shielding effect of the shielding assembly 33 on the space between the discharge port and the container 35 can be achieved. The lower end of the retraction rod 322 is fixedly connected with a pressing block, and the pressing block is made of elastic material, such as rubber, so as to further improve the adhesion force of the shielding piece fixedly connected on the retraction rod 322 to the outer wall of the collection box 35.

When the rotating disc 312 rotates under the driving of the driving component 34, the equidistant spiral grooves 3121 of the rotating disc 312 drive the sliding block 321 meshed with the equidistant spiral grooves 3121 to move, and the sliding block 321 is limited by the limiting groove 3112 on the mounting seat main body 311, so that the sliding block 321 cannot rotate along with the rotating disc 312, and further moves linearly in the limiting groove 3112 along the radial direction of the mounting seat main body 311, thereby driving the lower retractable rod 322 to move towards or away from the center of the mounting seat main body 311, and further driving the shielding component 33 fixedly connected to the retractable rod 322 to cling to or away from the material collecting box 35, so as to realize shielding effect or release effect on the material collecting box 35.

Specifically, the driving assembly 34 includes a driving motor 341, a rotating wheel 342 and a connecting rod 343, the body of the driving motor 341 is fixedly connected to the mounting seat main body 311 through a mounting seat, the rotating wheel 342 is coaxially and fixedly connected to the rotating shaft of the driving motor 341, one end of the connecting rod 343 is hinged to the edge of the rotating wheel 342 through a hinge shaft, the other end of the connecting rod 343 is hinged to a rocker arm 3122 on the rotating disc 312 through a hinge shaft, and the rocker arm 3122 is fixedly connected to the main body of the rotating disc 312 through an integrated forming mode. The rotation of the driving motor 341 drives the rotation wheel 342 to rotate, and then drives the connecting rod 343 to rotate, and the rocker arm 3122 is pushed to rotate through the connecting rod 343, and then the rotation disc 312 is pushed to rotate.

The working principle of the embodiment of the application is as follows: the vinasse is heated in a carbonization main furnace 1, after pyrolysis, carbonization and gasification reactions are completed, solid biochar is generated and discharged from a carbon outlet and enters a screw conveyor 2 of a subsequent vinasse carbonization device, in the conveying process, a water cooling device of the vinasse carbonization device cools the biochar, after the cooling, the biochar is discharged from a discharge outlet of a discharge pipeline 21 of the screw conveyor 2, the discharge device 3 of the embodiment is arranged on the discharge pipeline 21, a driving component 34 drives a rotating disc 312 to rotate, and further a sliding block 321 meshed with equidistant spiral grooves 3121 on the rotating disc 312 through threads 3211 is driven to move towards the center of a mounting seat main body 311, so that a shielding component 33 is driven by a collecting and releasing rod 322 below to be tightly attached to a collecting box 35, a closed space is enclosed between the collecting box 35 and the discharge outlet, and pollution caused by volatilization and escape of carbon powder in the biochar in the discharging process is reduced; after discharging, the driving assembly 34 reversely rotates, the driving rotating disc body 312 reversely rotates, and the sliding block 321 is driven to move towards the center far away from the mounting seat main body 311, so that the lower collecting and releasing rod 322 is driven to drive the shielding assembly 33 to be far away from the collecting box 35, the releasing effect on the collecting box 35 is realized, and the collecting box 35 and the transportation of the biochar contained in the inside are conveniently completed.

The above embodiments are not intended to limit the scope of the present application, so: equivalent changes in the mechanism, shape and principle of the present application should be covered in the protection scope of the present application.

Claims (10)

1. The utility model provides a discharging device of lees carbonization equipment, its characterized in that, includes the mount pad, receive and releases the subassembly, shields subassembly, drive assembly and gathers materials the case, the mount pad install in on the ejection of compact pipeline of lees carbonization equipment, gather materials the case place in ejection of compact pipeline below for the splendid attire is followed the biochar that the discharge gate of ejection of compact pipeline releases, receive and release the subassembly and include more than three support arms, shield the subassembly set up in on the support arm, and the discharge gate with enclose into the enclosure space between the case that gathers materials, the one end of support arm slide set up in on the mount pad, the other end of support arm with the outer wall butt of gathering materials the case, drive assembly install in on the mount pad, and with the support arm drive is connected, the drive the support arm is towards or keep away from the central point of mount pad puts the slip.

2. The discharging device of a vinasse carbonization apparatus according to claim 1, wherein the mounting base comprises a mounting base main body and a rotary disc body, the mounting base main body is mounted on the discharging pipeline, the rotary disc body is rotatably mounted on the mounting base main body, more than three limit grooves are formed in the mounting base main body, a sliding block is arranged at one end of the supporting arm and is slidably mounted in the limit grooves, threads are formed at the top of the sliding block, equidistant spiral grooves meshed with the threads are formed at the bottom of the rotary disc body, and the driving assembly is in driving connection with the rotary disc body and drives the rotary disc body to rotate.

3. The discharging device of a stillage carbonization apparatus according to claim 2, wherein the mounting base body is provided with an annular mounting groove, and the rotating disc body is rotatably mounted in the annular mounting groove.

4. The discharging device of a vinasse carbonization apparatus according to claim 2, wherein the rotating disc body is fixedly connected with a rocker arm, the driving assembly comprises a driving motor, a rotating wheel and a connecting rod, the rotating wheel is coaxially and fixedly connected with a rotating shaft of the driving motor, one end of the connecting rod is hinged with the rocker arm, and the other end of the connecting rod is hinged with the edge of the rotating wheel.

5. The discharge device of a stillage carbonization apparatus according to claim 2, wherein the shielding assembly comprises a shielding member and an adsorbing member, the shielding member is provided on the support arm, and the adsorbing member is provided inside the shielding member.

6. The discharge device of a stillage carbonization apparatus according to claim 5, wherein the shielding member is detachably and fixedly connected to the support arm.

7. The discharge device of a stillage carbonization apparatus according to claim 6, wherein the support arm is provided with a tightening block at one end thereof near the collection box.

8. The discharge device of a stillage carbonization apparatus according to claim 2, wherein the mount further comprises a height adjustment sleeve slidably fitted over the discharge pipe, and the mount main body is fixedly connected to the height adjustment sleeve.

9. The discharging device of a vinasse carbonization apparatus according to claim 8, wherein the height adjusting sleeve is provided with a plurality of limiting holes along the height direction, the discharging pipeline is correspondingly provided with a plurality of mounting holes along the height direction, and the height adjusting sleeve is spliced with the discharging pipeline through a limiting rod.

10. The discharging device of a stillage carbonization apparatus according to claim 8, wherein a lifting driving assembly is provided on the discharging pipe, and the lifting driving assembly is in driving connection with the height adjusting sleeve to drive the height adjusting sleeve to move vertically.