CN214211669U

CN214211669U - Tail gas pumping and exhausting equipment

Info

Publication number: CN214211669U
Application number: CN202022750115.6U
Authority: CN
Inventors: 邱强生; 林根发
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-09-17
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a tail gas pumping and discharging device, which comprises a main pipeline, a sliding trolley, a pumping and discharging pipe structure, a pumping and discharging suction nozzle and a fan, wherein the fan is connected with the main pipeline to discharge tail gas, the main pipeline is connected with a plurality of pipeline joints, and the middle parts of the pipeline joints are provided with valve structures; the sliding trolley is sequentially connected with a pumping pipe structure and a pumping suction nozzle; the sliding trolley is arranged on the main pipeline and can move back and forth, and the sliding trolley is provided with a valve opening structure; the sliding trolley moves to the middle of the pipeline joint, the valve opening structure jacks up the valve structure, and the pumping and discharging pipe structure is communicated with the main pipeline. The utility model provides a tail gas pumping and exhausting equipment, the main pipeline is provided with a valve structure for pumping and exhausting gas, the sliding trolley is provided with a valve opening structure, the sealing performance of the joint is good, and the stable and reliable sealing can be ensured even if the sliding trolley is used for a long time; general accessories of this equipment can realize purchasing on the spot, improves engineering installation effectiveness, reduces equipment cost.

Description

Tail gas pumping and exhausting equipment

Technical Field

The utility model relates to a technical field of tail gas treatment specifically is a tail gas pump drainage equipment.

Background

In an automobile maintenance room, an automobile inspection station or a workshop with a large amount of exhaust emission, exhaust pumping equipment is often required to be used, so that air is prevented from being polluted by the exhaust, and safety and environmental protection in the workshop are guaranteed. The tail gas pumping and exhausting equipment comprises an external hanging bracket, a profile sliding rail, a sealing end cover, a sealing rubber plate, a sliding trolley, a rubber suction pipe, a suction nozzle, a fan and an exhaust pipe, wherein the profile sliding rail is fixed on the external hanging bracket, sealing rubber strips with the same length as the profile sliding rail are installed at the seam of the profile sliding rail, the sliding trolley is installed on the profile sliding rail and can move left and right, the rubber suction pipe and the suction nozzle are connected below the sliding trolley to directly collect tail gas of an automobile, the sealing end cover is installed at one end of the profile sliding rail, and the fan and the exhaust pipe are installed at the other end of the sliding trolley to exhaust the collected tail gas of the automobile outdoors. The main exhaust duct is integrated on the section bar slide rail, so the section bar slide rail needs to be customized, cannot be purchased on site, and is inconvenient to transport. The joint of the section bar sliding rail is tightly sealed by clamping two sealing rubber plates which are obliquely and oppositely arranged, the cost of the sealing rubber plates is high, the rubber plates are aged after being used for a long time to cause air leakage, and the energy consumption is increased.

Therefore, there is a need to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tail gas pumping and exhausting device, which aims at the technical problems, the main pipeline is provided with a valve structure for pumping and exhausting gas, the sliding trolley is provided with a valve opening structure, the sealing performance of the joint is good, and the stable and reliable sealing can be ensured even if the sliding trolley is used for a long time; general accessories of this equipment can realize purchasing on the spot, improves engineering installation effectiveness, reduces equipment cost.

In order to achieve the above purpose, the technical scheme of the utility model is that:

an exhaust gas pumping apparatus comprising:

a main pipeline which is installed in a hanging way;

the fan is connected with the main pipeline to discharge tail gas;

the pipeline joint is connected in the main pipeline and is provided with a valve structure in a closed state;

the sliding trolley is arranged on the main pipeline and can move back and forth, and the sliding trolley is provided with a valve opening structure;

the pumping pipe structure is connected to the sliding trolley, and the outlet end of the pumping pipe structure is positioned at the valve structure;

one end of the pumping and exhausting suction nozzle is connected with the inlet end of the pumping and exhausting pipe structure, and the other end of the pumping and exhausting suction nozzle is connected with a tail gas outlet;

the sliding trolley moves to the pipeline joint, the valve opening structure jacks the valve structure, and the pumping and discharging pipe structure is communicated with the main pipeline.

According to the tail gas pumping and exhausting equipment, the main pipeline is provided with the valve structure for pumping and exhausting gas, the sliding trolley is provided with the valve opening structure, the sealing performance of the joint is good, and stable and reliable sealing can be ensured even if the equipment is used for a long time; connect as an organic whole with the trunk line through the pipeline, do not need customization section bar slide rail accessory, purchase on the spot can be realized to the general accessory of this equipment, improves engineering installation effectiveness, reduction equipment cost.

Furthermore, the outer cylindrical surface of the middle part of the pipeline joint is provided with a valve fixing hole; the valve structure comprises a sealing positioning sleeve, a valve plate positioning sub-sleeve and a valve plate spring, wherein a valve plate positioning main sleeve extends out of one surface of the valve plate;

the sealing positioning sleeve is fixed in the valve fixing hole; the valve plate is in sealing fit with the sealing positioning sleeve;

the valve plate positioning sub-sleeve is fixed on the pipe body of the pipeline joint and arranged along the diameter direction of the pipe body, the valve plate positioning sub-sleeve is connected with the valve plate positioning female sleeve in a sleeved mode, the valve plate spring is arranged in the valve plate positioning sub-sleeve in a hollow mode, and the valve plate spring presses the valve plate on the sealing positioning sleeve.

The valve structure of the tail gas pumping and exhausting equipment realizes the switching function by pressing and separating the valve plate from the sealing positioning sleeve, and the action is stable and reliable.

The valve plate is further provided with a lock catch structure which comprises a valve plate buckle, a lock catch spring, a lock catch pull rope, a gland, a top pin and a top opening pin spring; lock catch grooves and spring flanges are symmetrically arranged on the valve plate on two sides of the valve plate positioning female sleeve;

the valve plate buckle is positioned in the buckle groove, and the gland and the edge of the buckle groove fixedly press the valve plate buckle; the sealing positioning sleeve is provided with a lock catch hole, and the lock catch spring is arranged between the spring flange and the valve plate buckle so that the valve plate buckle is outwards jacked open and extends into the lock catch hole;

a top opening pin round sleeve is arranged in the center of the valve plate, the top opening pin round sleeve penetrates through the top opening pin round sleeve, and the top opening pin is in sealing fit with the top opening pin round sleeve; the top pin is limited from rotating in the top opening pin round sleeve, the top pin can axially move in the top opening pin round sleeve, the top opening pin spring is sleeved on the top opening pin and tightly pressed in the top opening pin round sleeve, and the top opening pin is tightly pressed and fixed on the top opening pin round sleeve; the valve plate buckle is fixed at two ends of the lock catch pull rope respectively, the middle of the lock catch pull rope penetrates through the valve plate positioning female sleeve and the jacking pin, the jacking pin is jacked open, and the lock catch pull rope tensions the valve plate buckle to enable the valve plate buckle to be separated from the lock catch hole.

The hasp structure guarantees the reliable and stable of valve plate closed condition, avoids being backed down by external atmospheric pressure, because the fan outwards exhausts, the trunk line is inside to be in low pressure state.

The sliding trolley further comprises a mounting seat, and the valve opening structure comprises a pushing spring, a pulley yoke, a pushing wheel, a first movable pulley, a locking pull rope and a pull line box;

the pushing wheel and the movable pulley are respectively connected to two ends of the pulley frame; the pulley yoke is sleeved in the mounting seat; the mounting seat is provided with an inner step, and the pushing spring is sleeved in the mounting seat and positioned between the inner step and the pulley yoke; one end of the locking pull rope is fixed, the middle of the locking pull rope penetrates through the first movable pulley, and the other end of the locking pull rope is connected with the pull line box; the pull line box is fixed on the structure of the pumping and exhausting pipe, the pull line box is provided with a tightening clamping position and a loosening clamping position, when the pull line box is positioned on the loosening clamping position, the pushing wheel is pushed and opened to the valve structure, and when the pull line box is positioned on the tightening clamping position, the valve structure is closed.

The pull line box is pulled to be in a tensioning clamping position or a loosening clamping position, so that the valve structure is opened and closed, the operation is simple, and the action is reliable.

The sliding trolley further comprises a mounting seat, a trolley assembly and fixing pins, two symmetrical trolley seats extend out of the mounting seat, the trolley assembly comprises two symmetrical trolley plates, a trolley wheel and positioning wheels, the trolley plate is respectively provided with the trolley wheel and the positioning wheels, the trolley seat is hinged to the trolley plates, the trolley plate is provided with an upper positioning seat, the trolley seat is provided with a lower positioning seat, and the fixing pins penetrate through the upper positioning seat and the lower positioning seat;

the pipeline joint is provided with a positioning inner recess, the sliding trolley moves to the middle part of the pipeline joint, and the positioning wheel is positioned in the positioning inner recess.

The sliding trolley is installed on a main pipeline, all fixing pins are taken down before installation, the two pulley plates are rotated to the maximum angle and are encircled on the main pipeline, all fixing pins are inserted after installation, installation of the sliding trolley is completed, and the sliding trolley is convenient and fast to install.

The pipeline joint further comprises a joint main body and pipe buckle structures, wherein the pipe buckle structures are of two sets, one ends of the pipe buckle structures are respectively hermetically sleeved in the two ends of the joint main body, and the other ends of the pipe buckle structures are respectively hermetically sleeved in the main pipeline;

the pipe buckle structure is provided with a plurality of pipe buckling elastic sheets and pipe buckling elastic buckles, the pipe buckling elastic buckles are tightly pressed on the pipe buckling elastic sheets and have outward elasticity, the main pipeline is provided with a plurality of buckling holes, and the pipe buckling elastic buckles buckle into the buckling holes.

The pipe buckle structure connects the joint main body and the main pipeline, and the outer cylindrical surfaces of the joint main body and the main pipeline are parallel and level after connection, so that sliding of the sliding trolley is facilitated.

The pipe joint structure is provided with a plurality of elastic buckle pressure springs and joint elastic buckles, the joint elastic buckles are tightly pressed on the elastic buckle pressure springs to prop against the inner wall of the joint main body, and the fastening circular rings are located between the step surfaces of the pipe joint structure and the joint elastic buckles to limit axial movement of the pipe joint structure.

Above-mentioned pipe strap structure and the connected mode who connects the main part make the pipe strap structure can rotate on connecting the main part, make things convenient for the buckle pipe bullet of pipe strap structure to buckle in the lock joint hole of trunk line, connect more swiftly.

Further the pump drainage pipe structure includes fixed sleeving, a plurality of grades of telescopic tube, balancer, fixed pulley, movable pulley two and flexible steel cable, the outside symmetry of fixed sleeving sets up two the balancer, fixed sleeving internally mounted is two the fixed pulley, the intraductal installation of the last level of telescopic tube movable pulley two, flexible steel cable two is fixed respectively on two the balancer, the centre passes two the fixed pulley with movable pulley two.

Through the effect of the balancer, the pumping pipe structure is stretched when in use, and is automatically folded after use, so that the pumping pipe structure is convenient to use.

The pumping and discharging pipe structure further comprises a three-way valve and a hose, the middle of the three-way valve is connected with the last stage pipe of the telescopic pipe, two sides of the three-way valve are respectively connected with the hose, and the hose is connected with the tail discharging gun.

Through adjusting the three-way valve, the switching of single-station or double-station work and the switching of a left single station and a right single station can be realized.

The tail gas pumping and exhausting equipment further comprises a control system, wherein the control system is provided with a display screen and a support, the display screen is installed on the support, and the support is installed on the pumping and exhausting pipe structure in an encircling mode.

The equipment can be operated through the display screen of the control system, the switch of the fan is controlled, and environmental parameters such as PM2.5 values and the like can be checked on the display screen.

The tail gas pumping and exhausting equipment further comprises a filtering filter element, wherein the filtering filter element is arranged on the main pipeline and is positioned at the air inlet end of the fan. The filter element has the function of purifying tail gas, so that the discharged air is cleaner and more environment-friendly.

And further, a plurality of hanging pipe pulling codes are arranged on the main pipeline, and the main pipeline is hung and installed through the hanging pipe pulling codes.

Compared with the prior art, the utility model have following technical advantage:

1. the main pipeline of the tail gas pumping and exhausting equipment is provided with a valve structure for pumping and exhausting gas, the sliding trolley is provided with a valve opening structure, the sealing performance of the joint is good, and stable and reliable sealing can be ensured even if the sliding trolley is used for a long time;

2. the main pipelines are connected into a whole through the pipeline joint, and section sliding rail accessories do not need to be customized, so that the universal accessories of the equipment can be purchased on site, the engineering installation efficiency is improved, and the equipment cost is reduced;

3. the sliding trolley is arranged on the main pipeline, all the fixing pins are taken down before installation, the two pulley plates are rotated to the maximum angle and are encircled on the main pipeline, all the fixing pins are inserted after installation, the installation of the sliding trolley is completed, and the sliding trolley is convenient and quick to install;

4. the pumping pipe structure is stretched out when in use and automatically folded after use under the action of the balancer, so that the pumping pipe is convenient to use;

5. the three-way valve is arranged on the pumping pipe structure, and the switching of single-station or double-station work and the switching of a left single station and a right single station can be realized by adjusting the three-way valve;

6. and a control system is arranged, the equipment can be operated through a display screen of the control system, the switch of the fan is controlled, and environmental parameters such as PM2.5 values and the like are checked on the display screen.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a fragmentary view of FIG. 1 with the main conduit removed;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a side view of FIG. 2;

FIG. 5 is a front view of the pump and drain tube arrangement of FIG. 1 shown collapsed;

FIG. 6 is a cross-sectional exploded view of the pipe joint of FIG. 1;

FIG. 7 is a cross-sectional view of the pipe joint of FIG. 6 after assembly;

FIG. 8 is a perspective view of the pipe joint of FIG. 1;

FIG. 9 is a side view of FIG. 7;

FIG. 10 is an exploded view of the connector body, valve structure and latch structure of FIG. 7;

FIG. 11 is a perspective view of the valve plate of FIG. 10;

FIG. 12 is a bottom view of the valve plate of FIG. 11;

FIG. 13 is a perspective view of the seal retainer of FIG. 10;

FIG. 14 is a perspective view of the wagon of FIG. 1;

FIG. 15 is a front view of FIG. 14;

FIG. 16 is a side view of FIG. 15;

FIG. 17 is an exploded view of FIG. 14;

FIG. 18 is an exploded view of the carriage assembly of FIG. 17;

fig. 19 is a perspective view of the sheave frame of fig. 17;

fig. 20 is an exploded assembly view of the pulley frame, the pusher wheel and the first movable pulley of fig. 16;

figure 21 is an exploded view of the pump and drain tube arrangement of figure 1;

FIG. 22 is a partial cross-sectional view of the pipe joint, skid and pump-drain configuration of FIG. 1;

fig. 23 is a side sectional view of fig. 22.

Detailed Description

The invention will be described in further detail with reference to embodiments shown in the drawings.

As shown in fig. 1 to 23, an embodiment of the exhaust pumping device of the present invention is provided.

As shown in fig. 1, the exhaust pumping device comprises a main pipe 10, a fan 20, a plurality of pipe joints 30, a sliding trolley 40, a pumping pipe structure 50 and a pumping suction nozzle 60. Wherein, the main pipeline 10 is installed in a hanging way; the fan 20 is connected with the main pipeline 10 to discharge tail gas; the main pipelines 10 are connected through a pipeline joint 30, and a valve structure 31 in a closed state is arranged in the middle of the pipeline joint 30; the sliding trolley 40 is arranged on the main pipeline 10 and can move back and forth, and the sliding trolley 40 is provided with a valve opening structure 41; the pumping pipe structure 50 is connected to the sliding trolley 40, and the outlet end of the pumping pipe structure is positioned at the valve structure 31; one end of the pumping and exhausting suction nozzle 60 is connected with the inlet end of the pumping and exhausting pipe structure 50, and the other end is connected with a tail gas outlet; the sliding trolley 40 moves to the middle of the pipeline joint 30, the valve opening structure 41 jacks up the valve structure 31, and the pumping pipe structure 50 is communicated with the main pipeline 10.

According to the tail gas pumping and exhausting equipment, the main pipeline is provided with a valve structure for pumping and exhausting gas, the sliding trolley is provided with a valve opening structure, the sealing performance of the joint is good, and stable and reliable sealing can be ensured even if the equipment is used for a long time; connect as an organic whole with the trunk line through the pipeline, do not need customization section bar slide rail accessory, purchase on the spot can be realized to the general accessory of this equipment, improves engineering installation effectiveness, reduction equipment cost.

As shown in fig. 10, the pipe joint 30 has a valve fixing hole 32 on the outer cylindrical surface of the middle portion thereof, and the valve fixing hole 32 has an outwardly extending edge; the valve structure 31 includes a seal positioning sleeve 311, a valve plate 312, a valve plate positioning sub-sleeve 313 and a valve plate spring 314, and a valve plate 312 extends from a surface of the valve plate to form a valve plate positioning female sleeve 315.

As shown in fig. 7, the seal positioning sleeve 311 is welded to the valve fixing hole 32; as shown in fig. 9 and 13, the seal positioning sleeve 311 is provided with an inner ring rib 3112, the inner ring rib 3112 is provided with a valve plate O-ring 316, and the valve plate 312 is in sealing engagement with the seal positioning sleeve 311 through the valve plate O-ring 316.

As shown in fig. 9, the valve plate positioning sub-sleeve 313 is fixed on the pipe body of the pipe joint 30 and arranged along the diameter direction thereof, the valve plate positioning sub-sleeve 313 is sleeved and connected with the valve plate positioning female sleeve 315, a valve plate spring 314 is arranged in the hollow part, and the valve plate spring 314 presses the valve plate 312 against the sealing positioning sleeve 311.

As shown in fig. 9 and 10, the valve plate 312 is provided with a locking structure 33, which includes a valve plate fastener 331, a locking spring 332, a locking pull rope 334, a pressing cover 333, a top opening pin 335 and a top opening pin spring 336; as shown in fig. 11, the valve plate 312 has locking grooves 337 and spring ribs 338 symmetrically disposed on both sides of the valve plate positioning female sleeve 315.

As shown in fig. 9, the valve plate fastener 331 is located in the locking groove 337, and the pressing cover 333 fixes the valve plate fastener 331 with the edge of the locking groove 337; as shown in fig. 13, the seal positioning sleeve 311 has a locking hole 3111, and a locking spring 332 is installed between the spring rib 338 and the valve plate buckle 331 to push the valve plate buckle 331 outward and extend into the locking hole 3111.

As shown in fig. 9, a top pin circular sleeve 3121 is provided in the center of the valve plate 312, the top pin 335 is provided through the top pin circular sleeve 3121, and the top pin 335 is in sealing engagement with the top pin circular sleeve 3121. As shown in fig. 10 and 12, the middle section of the top opening pin 335 has an axial hexagonal structure, an inner hexagonal hole matched with the axial hexagonal structure of the top opening pin 335 is formed in the top opening pin circular sleeve 3121, the axial hexagonal structure is matched with the inner hexagonal hole to limit the rotation of the top opening pin 335 in the top opening pin circular sleeve 3121, the top opening pin 335 is axially movable in the top opening pin circular sleeve 3121, the top opening pin spring 336 is sleeved on the top opening pin 335 and tightly pressed in the top opening pin circular sleeve 3121, and the top opening pin 335 is tightly pressed and fixed on the top opening pin circular sleeve 3121; the valve plate fastener 331 is fixed at both ends of the lock pull rope 334 respectively, the valve plate positioning female sleeve 315 and the ejection pin 335 are penetrated through the middle of the lock pull rope 334, the ejection pin 335 is ejected, and the lock pull rope 334 tensions the valve plate fastener 331 to enable the valve plate fastener 331 to be separated from the lock hole 3111.

As shown in fig. 4, 16 and 17, the sliding trolley 40 includes a mounting seat 42, and the valve opening structure 41 includes a pushing spring 411, a pulley frame 412, a pushing wheel 413, a first movable pulley 414, a locking pull rope 415 and a pull line box 416. As shown in fig. 19 and 20, the pushing wheel 413 and the first movable pulley 414 are respectively connected to two ends of the pulley frame 412 and fixed to the brackets 72 at two ends of the pulley frame 412 through a pin and a retaining ring; the pulley yoke 412 is sleeved in the mounting seat 42, four axial protrusions are respectively arranged on the outer cylindrical surface of the pulley yoke 412 and the inner cylindrical surface of the mounting seat 42 in a sleeved fit manner, and the pulley yoke 412 can axially move in the mounting seat 42; the mounting seat 42 has an inner step 421, and the urging spring 411 is sleeved in the mounting seat 42 and located between the inner step 421 and the pulley frame 412.

As shown in fig. 4 and 23, one end of the locking rope 415 is fixed, the middle passes through the first movable pulley 414, and then is transferred through the first side fixed pulley 417 and the second side fixed pulley 418, and the other end is connected with the pull box 416. As shown in fig. 21, the terminal block 416 is fixed to the exhaust pipe structure 50, and the terminal block 416 has a tightening detent 4161 and a release detent 4162, and when the terminal block 416 is located at the release detent 4162, the pushing wheel 413 pushes and opens the valve structure 31, and when the terminal block 416 is located at the tightening detent 4161, the valve structure 31 is closed. As shown in fig. 22, the valve structure 31 is in an open state; as shown in fig. 7, the valve structure 31 is in a closed state.

As shown in fig. 14, the trolley 40 further includes a trolley assembly 43 and a fixing pin 44, and two symmetrical trolley seats 45 extend from the mounting seat 42. As shown in fig. 17, the pulley assembly 43 includes two symmetrical pulley plates 431, a pulley wheel 432 and a positioning wheel 433, as shown in fig. 18, the pulley plate 431 is respectively provided with the pulley wheel 432 and the positioning wheel 433, the positioning wheel 433 is installed in a movable hole of the positioning wheel 433 through a pin and a snap spring, the positioning wheel 433 is further provided with a positioning torsion spring 436, the positioning torsion spring 436 is fixed on a torsion spring installation hole through a pin and a snap spring, an extension end of the positioning torsion spring 436 is sleeved on the pin at two sides of the pulley positioning wheel 433, the pulley positioning wheel 433 is pressed down, and the rear end of the positioning torsion spring 436 is buckled on a torsion spring buckle 437.

As shown in fig. 14 to 16, the saddle 45 is hinged to the saddle 431, the saddle 431 has an upper positioning seat 434, the saddle 45 has a lower positioning seat 435, and a plurality of fixing pins 44 are disposed through the upper positioning seat 434 and the lower positioning seat 435.

As shown in fig. 15 and 22, the pulley connector 46 is sleeved outside the mounting seat 42, and the pulley connector 46 is sleeved on the exhaust pipe structure 50, wherein the pulley connector 46 is sleeved by an inner annular ring inside the pulley connector 46 and an outer annular ring on the mounting seat 42 and the exhaust pipe structure 50.

As shown in fig. 8, a positioning recess 34 is provided on the pipe joint 30, the sliding cart 40 moves to the middle of the pipe joint 30, and the positioning wheel 433 is pressed into the positioning recess on the joint main body 35 under the action of the positioning torsion spring 436 to position the sliding cart 40.

As shown in fig. 6 and 7, the pipe joint 30 includes a joint main body 35 and two pipe fastening structures 36, one end of each pipe fastening structure 36 is respectively sealed and installed inside two ends of the joint main body 35 through an O-ring, and the other end of each pipe fastening structure 36 is respectively sealed and installed inside the main pipe 10 through an O-ring.

As shown in fig. 6, the pipe buckle structure 36 is provided with a plurality of pipe buckling elastic pieces 361 and pipe buckling elastic buckles 362, the pipe buckling elastic buckles 362 are tightly pressed on the pipe buckling elastic pieces 361 and have outward elasticity, as shown in fig. 1, the main pipe 10 is provided with a plurality of buckling holes 11, and the pipe buckling elastic buckles 362 are buckled in the buckling holes 11.

As shown in fig. 6 and 7, fastening rings 37 are respectively disposed inside two ends of the connector main body 35, the pipe fastening structure 36 is provided with a plurality of elastic fastening pressure springs 363 and a connector elastic fastening 364, the connector elastic fastening 364 is pressed against the inner wall of the connector main body 35 by the elastic fastening pressure springs 363, and the fastening rings 37 are located between the step surface of the pipe fastening structure 36 and the connector elastic fastening 364 to limit the axial movement of the pipe fastening structure 36.

This pipe strap structure and the connected mode that connects the main part make the pipe strap structure can rotate on connecting the main part, make things convenient for the pipe strap bullet of buckling of pipe strap structure to buckle in the lock joint hole of trunk line, connect more swiftly.

As shown in fig. 3, 21 and 22, the pump-drain pipe structure 50 includes a fixed sleeve 51, a plurality of stages of telescopic sleeves 52, balancers 53, fixed pulleys 54, a movable pulley two 55 and telescopic steel ropes 56, wherein the three stages of telescopic sleeves 52 are shared in the figure, two balancers 53 are symmetrically arranged outside the fixed sleeve 51, two fixed pulleys 54 are symmetrically arranged inside the fixed sleeve 51, a movable pulley two 55 is arranged inside the last stage of the telescopic sleeve 52, two ends of the telescopic steel ropes 56 are respectively fixed on the two balancers 53, are respectively transferred through the side fixed pulleys three 59, and then pass through the two fixed pulleys 54 and the movable pulley two 55. The fixing sleeve 51 has an external concave ring at the end, and the internal convex ring of the pulley connecting piece 46 is sleeved on the external concave ring of the fixing sleeve 51 to realize the connection of the two.

As shown in fig. 2 and 3, the exhaust pipe structure 50 further includes a three-way valve 57 and a hose 58, the three-way valve 57 is connected to the last stage of the telescopic pipe 52, the hose 58 is connected to two sides of the three-way valve 57, and the hose 58 is connected to the tail discharge gun.

As shown in fig. 2 and 4, the exhaust pumping device further includes a control system 70, the control system 70 is provided with a display screen 71 and a bracket 72, the display screen 71 is mounted on the bracket 72, and the bracket 72 is mounted on the pumping pipe structure 50 in an encircling manner. As shown in fig. 2, a hanger tube bend is mounted on the bracket 72 and the hose 58 can be hung from the hanger tube bend.

As shown in fig. 1, the exhaust pumping device further includes a filter element 80, and the filter element 80 is installed on the main pipe 10 at the air inlet end of the fan 20. The filter element 80 has the function of purifying tail gas, so that the discharged air is cleaner and more environment-friendly.

As shown in fig. 1, a plurality of boom pipe tension blocks 12 are arranged on the main pipe 10, and the main pipe 10 is suspended and installed through the boom pipe tension blocks 12.

As shown in fig. 5, the three stage telescoping tubes 52 of the pump and drain tube structure 50 are collapsed, and the hose 58 can be hung on the hanging tube bend when not in use.

This tail gas pump drainage equipment's operation process as follows, takes off the hose from hanging the pipe piece of bending, and the pulling downwards, pump drainage tube structure extension is connected the pump drainage suction nozzle with outside blast pipe, adjusts the three-way valve to the carminative station of needs, and the pulling terminal box is to loosening the screens, and valve structure opens, starts the fan on the display screen, and equipment is tail gas outgoing.

To sum up, the present invention, as described in the specification and the drawings, is made into a practical sample and tested by multiple use, and from the test result, it is proved that the utility model can achieve the intended purpose, and the practicability is undoubted. The above-mentioned embodiments are merely provided for convenience of illustration of the present invention and are not intended to be limiting in form; any person skilled in the art can make local changes or modifications without departing from the scope of the present invention and the technical features and similar features disclosed in the present invention, and all equivalent embodiments using the technical content disclosed in the present invention belong to the protection scope of the present invention.

Claims

1. An exhaust gas pumping apparatus, comprising:

a main pipeline which is installed in a hanging way;

the fan is connected with the main pipeline to discharge tail gas;

2. The exhaust pumping device according to claim 1, wherein the pipe joint has a valve fixing hole on the outer cylindrical surface of the middle part; the valve structure comprises a sealing positioning sleeve, a valve plate positioning sub-sleeve and a valve plate spring, wherein a valve plate positioning main sleeve extends out of one surface of the valve plate;

3. The exhaust pumping equipment of claim 2, wherein the valve plate is provided with a locking structure comprising a valve plate buckle, a locking spring, a locking pull rope, a gland, a top pin and a top cotter spring; lock catch grooves and spring flanges are symmetrically arranged on the valve plate on two sides of the valve plate positioning female sleeve;

4. The exhaust pumping device according to claim 1, wherein the sliding trolley comprises a mounting seat, and the valve opening structure comprises a pushing spring, a pulley yoke, a pushing wheel, a first movable pulley, a locking pull rope and a pull line box;

5. The exhaust pumping device according to claim 1, wherein the sliding trolley comprises a mounting base, a trolley assembly and fixing pins, two symmetrical trolley seats extend from the mounting base, the trolley assembly comprises two symmetrical trolley plates, a trolley wheel and a positioning wheel, the trolley plate is provided with the trolley wheel and the positioning wheel, the trolley seat is hinged to the trolley plate, the trolley plate is provided with an upper positioning seat, the trolley seat is provided with a lower positioning seat, and a plurality of fixing pins are arranged through the upper positioning seat and the lower positioning seat;

6. The tail gas pumping and exhausting equipment of claim 1, wherein the pipe joint comprises a joint main body and pipe buckle structures, the pipe buckle structures are in two sets, one end of each pipe buckle structure is respectively hermetically sealed inside two ends of the joint main body, and the other end of each pipe buckle structure is respectively hermetically sealed inside the main pipe;

7. The exhaust pumping device according to claim 6, wherein a fastening ring is disposed inside each of two ends of the joint body, the pipe fastening structure has a plurality of spring fastening springs and joint spring fasteners, the joint spring fasteners are pressed against the spring fastening springs to push against the inner wall of the joint body, and the fastening ring is disposed between the step surface of the pipe fastening structure and the joint spring fasteners to limit axial movement of the pipe fastening structure.

8. The exhaust pumping device according to claim 1, wherein the pumping pipe structure comprises a fixed sleeve, a plurality of stages of telescopic sleeves, balancers, fixed pulleys, a second movable pulley and a telescopic steel rope, two balancers are symmetrically arranged outside the fixed sleeve, two fixed pulleys are symmetrically arranged inside the fixed sleeve, the second movable pulley is arranged inside the last stage of the telescopic sleeve, two ends of the telescopic steel rope are respectively fixed on the two balancers, and the middle of the telescopic steel rope passes through the two fixed pulleys and the second movable pulley.

9. The exhaust pumping equipment according to claim 8, wherein the pumping pipe structure comprises a three-way valve and a hose, the three-way valve is connected with the last stage pipe of the telescopic pipe in the middle, the two sides of the three-way valve are respectively connected with the hose, and the hose is connected with the tail discharge gun.

10. The exhaust pumping apparatus according to claim 1, further comprising a control system, wherein the control system is provided with a display screen and a bracket, the display screen is mounted on the bracket, and the bracket is mounted around the pumping pipe structure.

11. The exhaust pumping device as set forth in claim 1, further comprising a filter element mounted on the main duct at the air inlet end of the blower.

12. The exhaust pumping device as claimed in claim 1, wherein the main pipeline is provided with a plurality of hanging pipe tension blocks, and the main pipeline is suspended and installed through the hanging pipe tension blocks.