CN215278977U

CN215278977U - Cleaning device for chemical pipeline inner wall

Info

Publication number: CN215278977U
Application number: CN202121705835.9U
Authority: CN
Inventors: 郜星; 卫鹏举; 张鹏祥
Original assignee: Henan Anti Corrosion And Thermal Insulation Co ltd
Current assignee: Henan Anti Corrosion And Thermal Insulation Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-12-24
Anticipated expiration: 2031-07-26

Abstract

The utility model relates to a cleaning device for chemical pipeline inner wall, including the bottom plate, the bottom plate top is fixed with storage water tank, motor, and the storage water tank top is equipped with the top cap, and the top cap top is equipped with actuating mechanism, and actuating mechanism's output shaft transmission is connected with the (mixing) shaft, and the bottom of (mixing) shaft runs through the top cap and rotate the bottom of connecting in the storage water tank inside, is equipped with rabbling mechanism on the (mixing) shaft; the intercommunication has the inlet tube on the top cap, the outside both sides of storage water tank are fixed with the chemical reagent feeding cylinder that the symmetry set up, the top intercommunication of chemical reagent feeding cylinder has the inlet pipe, the intercommunication has the filling tube between chemical reagent feeding cylinder and the storage water tank, the output of motor is equipped with the high-pressure pump, the water inlet of high-pressure pump passes through feed liquor pipe and storage water tank intercommunication, the delivery port of high-pressure pump has the spray pipe through the connecting pipe intercommunication, the other end intercommunication of spray pipe has the hose, the bottom plate top is fixed with the coiling subassembly, the free end of hose is fixed with the shower nozzle subassembly. The chemical cleaning and the physical cleaning are combined, so that the cleaning is more thorough and the cleaning effect is good.

Description

Cleaning device for chemical pipeline inner wall

Technical Field

The utility model belongs to the technical field of the pipeline cleaning, especially, relate to a cleaning device for chemical pipeline inner wall.

Background

The chemical pipeline is a conveying device for conveying corrosive media, and is mainly applied to the industries of chemical industry, dye, medicine, pesticide, metallurgy and the like. After the chemical pipeline is used for a long time, impurities such as a large amount of oil sludge and rust scale are often attached to the inner wall of the chemical pipeline, if the inner wall of the chemical pipeline is not cleaned in time, the conveying capacity of the pipeline is affected, and even the pipeline can be blocked, so that the efficient transmission of chemical liquid is affected. The cleaning device for the inner wall of the existing chemical pipeline is simple in structural design and single in function, is usually only used for physically cleaning the inner wall by adopting high-pressure clear water, is poor in cleaning effect, cannot be cleaned thoroughly, cannot be used for completely cleaning pollutants such as oil stains and rusts on the inner wall of the pipeline, and cannot meet the use requirement well.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cleaning device for chemical pipeline inner wall for the cleaning device who has clean poor technical problem of effect in the chemical pipeline inner wall of solving among the prior art.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the cleaning device for the inner wall of the chemical pipeline comprises a bottom plate, wherein water storage tanks and motors which are arranged at intervals are fixed at the top of the bottom plate, a top cover is detachably and fixedly connected to the top end of each water storage tank, a driving mechanism is arranged at the top of the top cover, an output shaft of the driving mechanism is in transmission connection with a stirring shaft which is vertically and downwards arranged, the bottom end of the stirring shaft penetrates through the top cover and is rotatably connected to the bottom end inside the water storage tanks, and a stirring mechanism is detachably and fixedly connected onto the stirring shaft; the intercommunication has the inlet tube on the top cap, storage water tank bottom intercommunication has the drain pipe, the outside both sides of storage water tank are fixed with the chemical reagent charging barrel that the symmetry set up, the chemical reagent charging barrel is the cylindric structure of the equal sealed setting in upper and lower both ends, the top intercommunication of chemical reagent charging barrel has the inlet pipe that upwards extends, the intercommunication has the filling tube that the slope set up between the bottom of chemical reagent charging barrel and the storage water tank, the output of motor is equipped with the high-pressure pump, the water inlet of high-pressure pump is linked together through one side of feed liquor pipe and storage water tank lower part, the delivery port of high-pressure pump has the spray pipe through the connecting pipe intercommunication, the one end intercommunication that the spray pipe deviates from the connecting pipe has the hose, the bottom plate top is fixed with the winding assembly who is used for carrying out rolling or release to the hose, the free end of hose is fixed with the shower nozzle subassembly.

Preferably, the bottom plate top still is provided with and is used for carrying out the dry mechanism of blowing to chemical pipeline inside, the mechanism of blowing is including fixing the compressed gas jar at the bottom plate top, and the intercommunication has the intake pipe on the compressed gas jar, and the one end that the connecting pipe deviates from the high-pressure pump is provided with the tee junction valve, and the other both ends of tee junction valve are linked together with spray pipe, intake pipe respectively, and the intercommunication has relief pressure valve, the check ball valve that the interval set up in the intake pipe, is connected with the manometer on the relief pressure valve.

Preferably, the feed pipe, the drain pipe and the liquid inlet pipe are all provided with stop valves, and the connecting pipe is provided with a flow limiting valve.

Preferably, the shower nozzle subassembly includes the hard pipe that is linked together with the hose, and the one end threaded connection that the hard pipe deviates from the hose has the scavenge pipe, and the scavenge pipe is linked together with the hard pipe, and the other end integrated into one piece of scavenge pipe has the shower nozzle, and the shower nozzle is the hemisphere, and the equipartition has the orifice on the shower nozzle.

Preferably, the winding assembly comprises two mounting racks which are fixed at the top of the bottom plate and arranged at intervals front and back, a rotating shaft is connected between the upper parts of the two mounting racks in a rotating mode, a winding roller is fixedly sleeved outside the rotating shaft, and the hose is wound on the winding roller.

Preferably, rabbling mechanism includes that a plurality of fixed cover establish at the outside solid fixed ring of (mixing) shaft, gu fixed ring sets up along the length direction from the top down even interval in proper order of (mixing) shaft, the puddler that the equal fixedly connected with a plurality of symmetry in periphery of every solid fixed ring set up.

Preferably, the driving mechanism comprises a driving motor fixed on the top of the top cover and a reduction gearbox in transmission connection with the driving motor, a bevel gear transmission mechanism is arranged in the reduction gearbox, and the stirring shaft is in transmission connection with an output shaft of the reduction gearbox.

Preferably, the chemical reagent feeding cylinder is made of transparent hard plastic, and the outer wall of the chemical reagent feeding cylinder is provided with scale marks.

Preferably, universal wheels with locking mechanisms are mounted at four corners of the bottom plate.

Preferably, one side of the top of the bottom plate is fixedly connected with a push rod which is arranged in an upward inclining manner, and the top end of the push rod is fixedly connected with a handle which is arranged horizontally.

The utility model has the advantages that: (1) the chemical agent charging barrels are fixed outside the water storage tank, the stirring mechanism is arranged inside the chemical agent charging barrels, acid liquor and alkali liquor are respectively added inside the two chemical agent charging barrels, when the chemical agent charging device is used, firstly, the chemical agent charging barrels containing the acid liquor are communicated with the inside of the water storage tank, the acid liquor and clean water are uniformly mixed by the stirring mechanism, the inside of a chemical pipeline is pickled by using acidic water, the chemical agent charging barrels containing the alkali liquor are communicated with the inside of the water storage tank after pickling, the inside of the chemical pipeline is subjected to alkali washing by using alkaline water, finally, the inside of the chemical pipeline is washed by using clean water, and the chemical cleaning and physical cleaning are combined in sequence through the processes of pickling, alkali washing and high-pressure clean water washing, so that pollutants such as oil stain, rust stain and the like on the inner wall of the pipeline can be effectively removed, the cleaning is more thorough, the cleaning effect is good, and the use requirement can be well met; (2) through setting up the mechanism of blowing at the bottom plate top, wash the back, regulate and control the tee junction valve through the controller, make disconnection between connecting pipe and the tee junction valve, make the intake pipe, the tee junction valve, intercommunication between the spray pipe, compressed gas passes through the intake pipe in proper order, the spray pipe, the hose, the shower nozzle subassembly gets into inside the chemical pipeline, remaining clean water blows the drying on the pipeline inner wall, clean and dry dual function has been realized, high durability and convenient operation, compare with the drying method who adopts through the inside moisture of natural draining pipeline among the prior art, the device can show improvement drying efficiency, save time, reduction in production cost, and drying effect is good, facilitate for operating personnel.

Drawings

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

Reference numerals: 1-bottom plate, 2-water storage tank, 3-motor, 4-top cover, 5-stirring shaft, 6-shaft sleeve, 7-water inlet pipe, 8-water outlet pipe, 9-chemical reagent feeding cylinder, 10-feeding pipe, 11-pipe cap, 12-scale mark, 13-feeding pipe, 14-high pressure pump, 15-liquid inlet pipe, 16-connecting pipe, 17-water spraying pipe, 18-hose, 19-stop valve, 20-flow limiting valve, 21-compressed air tank, 22-air inlet pipe, 23-three-way connecting valve, 24-pressure reducing valve, 25-one-way ball valve, 26-pressure gauge, 27-hard pipe, 28-cleaning pipe, 29-nozzle, 30-spray hole, 31-mounting rack, 32-rotating shaft, 33-winding roller, 34-fixing ring, 35-stirring rod, 36-driving motor, 37-reduction box, 38-universal wheel, 39-push rod, 40-handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses a bottom plate 1, 1 level setting of bottom plate, 1 top of bottom plate are fixed with storage water tank 2, the motor 3 that the interval set up, and fixedly connected with top cap 4 can be dismantled on 2 tops of storage water tank, and top cap 4 can be threaded connection with storage water tank 2's connected mode, also can be through bolt fixed connection, conveniently open top cap 4, overhaul the maintenance to storage water tank 2 inside. Top cap 4 top is provided with actuating mechanism, and actuating mechanism's output shaft transmission is connected with vertical (mixing) shaft 5 that sets up downwards, and top cap 4 and the rotating connection are run through to the bottom of (mixing) shaft 5 in the inside bottom of storage water tank 2, and the inside bottom mounting of storage water tank 2 has the vertical axle sleeve 6 that upwards sets up, and the bottom of (mixing) shaft 5 is rotated and is connected in axle sleeve 6, can dismantle fixedly connected with rabbling mechanism on the (mixing) shaft 5. The intercommunication has inlet tube 7 on the top cap 4, and inlet tube 7 is linked together with external water source, washs water to 2 inside additions of storage water tank through

inlet tube

7, and 2 bottom intercommunications of storage water tank have drain pipe 8, and after the use, through drain pipe 8 with the remaining washing water drain of 2 bottoms of storage water tank clean, avoid 2 inside long-time accumulations of storage water tank to wash water and breed the bacterium. 2 outside both sides of storage water tank are fixed with the chemical reagent that the symmetry set up and add feed cylinder 9, and chemical reagent adds feed cylinder 9 and is the cylindric structure of the equal sealed setting in upper and lower both ends, and chemical reagent adds feed cylinder 9's top intercommunication has the inlet pipe 10 that upwards extends, and inlet pipe 10 top threaded connection has pipe cap 11, avoids debris to get into inside chemical reagent adds feed cylinder 9 through inlet pipe 10, guarantees the inside cleanliness factor of chemical reagent adds feed cylinder 9. The material that chemical reagent adds feed cylinder 9 is transparent rigid plastic, is equipped with scale mark 12 on chemical reagent adds feed cylinder 9's the outer wall, conveniently carries out real time monitoring, convenient operation to the volume of adding the inside acidizing fluid of chemical reagent adds feed cylinder 9 or alkali lye. An obliquely arranged charging pipe 13 is communicated between the bottom of the chemical reagent charging barrel 9 and the water storage tank 2. The output of motor 3 is equipped with high-pressure pump 14, the power take off end of motor 3 passes through the support and is connected with high-pressure pump 14, the water inlet of high-pressure pump 14 is linked together through one side of feed liquor pipe 15 with the 2 lower parts of storage water tank, the delivery port of high-pressure pump 14 has spray pipe 17 through connecting pipe 16 intercommunication, the one end intercommunication that spray pipe 17 deviates from connecting pipe 16 has hose 18, 1 top of bottom plate is fixed with the winding subassembly that is used for carrying out the rolling or release to hose 18, hose 18 twines on the winding subassembly, the free end of hose 18 is fixed with the shower nozzle subassembly. The feed pipe 13, the drain pipe 8 and the liquid inlet pipe 15 are all provided with stop valves 19, the connecting pipe 16 is provided with a flow limiting valve 20, and the flow limiting valve 20 can control the size of water flow in the connecting pipe 16. When the cleaning water sprayer is used, the inside of a chemical pipeline is sequentially subjected to acid washing, alkali washing and high-pressure water cleaning, cleaning water enters the inside of the high-pressure pump 14 through the liquid inlet pipe 15, then enters the inside of the sprayer assembly through the connecting pipe 16, the water spraying pipe 17 and the hose 18 in sequence, and is sprayed to the inside of the chemical pipeline through the sprayer assembly.

Preferably, 1 top of bottom plate still is provided with and is used for carrying out dry mechanism of blowing to chemical pipeline inside, blow mechanism is including fixing the compressed gas jar 21 at 1 top of bottom plate, compressed gas jar 21 sets up with the 3 intervals of motor, the intercommunication has intake pipe 22 on the compressed gas jar 21, the one end that connecting pipe 16 deviates from high-pressure pump 14 is provided with tee junction valve 23, still be provided with the controller on the bottom plate 1, the break-make of controller control tee junction valve 23, the other both ends of tee junction valve 23 respectively with spray pipe 17, intake pipe 22 is linked together, the intercommunication has the relief pressure valve 24 of interval setting on the intake pipe 22, ball check valve 25, be connected with manometer 26 on the relief pressure valve 24. The safety of the pressure reducing valve 24 is judged by the indication of the pressure gauge 26, and the check ball valve 25 can control the one-way flow of gas and prevent the liquid from flowing backwards.

Preferably, the nozzle assembly comprises a hard tube 27 communicated with the hose 18, the hard tube 27 is inserted into the hose 18, in order to ensure the firmness of the connection between the hard tube 27 and the hose 18, a binding tape can be fixed outside the joint of the hose 18 and the hard tube 27, one end of the hard tube 27, which is far away from the hose 18, is connected with a cleaning tube 28, an external thread is arranged outside one end of the hard tube 27, which is far away from the hose 18, an internal thread is arranged inside the cleaning tube 28, the hard tube 27 is in threaded connection with the cleaning tube 28, the inside of the cleaning tube 28 is communicated with the inside of the hard tube 27, a nozzle 29 is integrally formed at the other end of the cleaning tube 28, the nozzle 29 is hemispherical, spray holes 30 are uniformly distributed on the nozzle 29, cleaning water is uniformly sprayed out through the spray holes 30, and the spray range of the nozzle 29 is expanded.

Preferably, the winding assembly comprises two mounting frames 31 fixed on the top of the bottom plate 1 and arranged at intervals in the front-back direction, a rotating shaft 32 is rotatably connected between the upper parts of the two mounting frames 31, a winding roller 33 is fixedly sleeved outside the rotating shaft 32, and the hose 18 is wound on the winding roller 33. The hose 18 is manually pulled, the hose 18 is released from the winding roller 33 or the hose 18 is wound on the winding roller 33, and the winding roller 33 orderly winds or releases the hose 18, so that the hose 18 is prevented from being wound or folded in the use process, and the normal operation of the cleaning process is ensured.

Preferably, the stirring mechanism comprises a plurality of fixing rings 34 fixedly sleeved outside the stirring shaft 5, the fixing rings 34 are fixedly connected with the stirring shaft 5 through bolts, the fixing rings 34 are sequentially and uniformly arranged at intervals along the length direction of the stirring shaft 5 from top to bottom, and a plurality of symmetrically arranged stirring rods 35 are fixedly connected to the periphery of each fixing ring 34. Drive puddler 35 through (mixing) shaft 5 and rotate to mixing the stirring to the liquid of storage water tank 2 inside, because for dismantling fixed connection between solid fixed ring 34 and the (mixing) shaft 5, the convenience is installed solid fixed ring 34 and is dismantled, is convenient for in time maintain and change puddler 35.

Preferably, the driving mechanism comprises a driving motor 36 fixed on the top of the top cover 4 and a reduction box 37 in transmission connection with the driving motor 36, a bevel gear transmission mechanism is arranged in the reduction box 37, and the stirring shaft 5 is in transmission connection with an output shaft of the reduction box 37. Bevel gear transmission can change the transmission direction, can also reduce the rotational speed of power supply, controls the slew velocity of (mixing) shaft 5 to can use manpower sparingly.

Preferably, universal wheels 38 with locking mechanisms are mounted at four corners of the bottom plate 1. The device is conveniently moved according to the use requirement, and the labor is saved. The universal wheel 38 with the locking mechanism is prior art, and the detailed structure thereof will not be described herein.

Preferably, a push rod 39 is fixedly connected to one side of the top of the bottom plate 1, the push rod 39 being inclined upward, and a horizontally disposed handle 40 is fixedly connected to the top end of the push rod 39. The device is pushed to move through the handle 40, so that the operation is convenient, and the labor is saved.

The utility model discloses a theory of operation: after the device is moved to a proper position, acid liquor and alkali liquor with proper volumes are respectively added into the two chemical reagent feeding cylinders 9 according to the concentration requirement of chemical solution to be configured, and cleaning water is added into the water storage tank 2 through the water inlet pipe 7. Firstly, a stop valve 19 on one of feeding pipes 13 is opened, a chemical reagent feeding cylinder 9 containing acid liquor is communicated with the inside of a water storage tank 2, the acid liquor enters the inside of the water storage tank 2 through the feeding pipe 13, a driving motor 36 is started, an output shaft of the driving motor 36 rotates to sequentially drive a stirring shaft 5 and a stirring rod 35 to rotate, the acid liquor and clean water are mixed and stirred, a motor 3 is started, the stop valve 19 on a liquid inlet pipe 15 is opened, the motor 3 drives a high-pressure pump 14 to work, cleaning water entering the inside of a connecting pipe 16 is pressurized, a flow limiting valve 20 is adjusted, the size of water entering the inside of the connecting pipe 16 is adjusted, a controller adjusts a three-way connecting valve 23, an air inlet pipe 22 is disconnected, the connecting pipe 16 is communicated with a water spray pipe 17, high-pressure acidic water enters the inside a spray head assembly through the connecting pipe 16, the water spray pipe 17 and a hose 18 in sequence, the hose 18 is manually pulled according to the length of a pipeline to be cleaned, stretch into the inside length of chemical pipeline to hose 18 and adjust, carry out sour water high pressure cleaning to chemical pipeline inside, chemical reagent who will hold alkali lye after the pickling adds

feed cylinder

9 and 2 inside intercommunications of storage water tank, operating procedure is same with last, utilize alkaline water to wash with alkaline to chemical pipeline inside, make two chemical reagent add feed cylinder 9 at last all with 2 inside disconnections of storage water tank, utilize the clear water to wash chemical pipeline inside, through the pickling in proper order, wash with alkaline, the high-pressure clear water process of washing, combine together chemical cleaning and physical cleaning, pollutants such as effectual oil stain and the rust stain of detaching on the pipe inner wall. After the cleaning operation is finished, the controller regulates and controls the three-way connecting valve 23, so that the connecting pipe 16 and the three-way connecting valve 23 are disconnected, the air inlet pipe 22, the three-way connecting valve 23 and the water spraying pipe 17 are communicated, compressed air sequentially passes through the air inlet pipe 22, the water spraying pipe 17, the hose 18 and the nozzle assembly to enter the chemical pipeline, and the residual cleaning water on the inner wall of the pipeline is sprayed and dried. The utility model discloses a clean and dry dual function, drying efficiency is high, convenient operation, and clean effectual, facilitate for operating personnel.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a cleaning device for chemical pipeline inner wall, includes the bottom plate, its characterized in that: the top of the bottom plate is fixedly provided with water storage tanks and motors which are arranged at intervals, the top end of each water storage tank is detachably and fixedly connected with a top cover, the top of the top cover is provided with a driving mechanism, an output shaft of the driving mechanism is in transmission connection with a vertically downward stirring shaft, the bottom end of the stirring shaft penetrates through the top cover and is rotatably connected to the bottom end inside the water storage tanks, and the stirring shaft is detachably and fixedly connected with a stirring mechanism; the intercommunication has the inlet tube on the top cap, storage water tank bottom intercommunication has the drain pipe, the outside both sides of storage water tank are fixed with the chemical reagent charging barrel that the symmetry set up, the chemical reagent charging barrel is the cylindric structure of the equal sealed setting in upper and lower both ends, the top intercommunication of chemical reagent charging barrel has the inlet pipe that upwards extends, the intercommunication has the filling tube that the slope set up between the bottom of chemical reagent charging barrel and the storage water tank, the output of motor is equipped with the high-pressure pump, the water inlet of high-pressure pump is linked together through one side of feed liquor pipe and storage water tank lower part, the delivery port of high-pressure pump has the spray pipe through the connecting pipe intercommunication, the one end intercommunication that the spray pipe deviates from the connecting pipe has the hose, the bottom plate top is fixed with the winding assembly who is used for carrying out rolling or release to the hose, the free end of hose is fixed with the shower nozzle subassembly.

2. The cleaning device for the inner wall of the chemical pipeline according to claim 1, wherein: the bottom plate top still is provided with and is used for carrying out the dry mechanism of blowing to chemical pipeline inside, the mechanism of blowing is including fixing the compressed gas jar at the bottom plate top, and the intercommunication has the intake pipe on the compressed gas jar, and the one end that the connecting pipe deviates from the high-pressure pump is provided with the tee junction valve, and the other both ends of tee junction valve are linked together with spray pipe, intake pipe respectively, and the intercommunication has relief pressure valve, the check ball valve that the interval set up in the intake pipe, is connected with the manometer on the relief pressure valve.

3. The cleaning device for the inner wall of the chemical pipeline according to claim 2, wherein: the feed pipe, the drain pipe and the liquid inlet pipe are all provided with stop valves, and the connecting pipe is provided with a flow limiting valve.

4. The cleaning device for the inner wall of the chemical pipeline according to claim 3, wherein: the shower nozzle subassembly includes the hard pipe that is linked together with the hose, and the one end threaded connection that the hard pipe deviates from the hose has the scavenge pipe, and the scavenge pipe is linked together with the hard pipe, and the other end integrated into one piece of scavenge pipe has the shower nozzle, and the shower nozzle is the hemisphere, and the equipartition has the orifice on the shower nozzle.

5. The cleaning device for the inner wall of the chemical pipeline according to claim 3, wherein: the winding assembly comprises two mounting racks which are fixed at the top of the bottom plate and arranged at the front and the back at intervals, a rotating shaft is connected between the upper parts of the two mounting racks in a rotating mode, a winding roller is arranged on the outer fixed sleeve of the rotating shaft, and a hose is wound on the winding roller.

6. The cleaning device for the inner wall of the chemical pipeline according to claim 3, wherein: the stirring mechanism comprises a plurality of fixing sleeves, fixing rings are arranged outside the stirring shaft in a sleeved mode, the fixing rings are sequentially arranged at even intervals along the length direction of the stirring shaft from top to bottom, and a stirring rod is symmetrically arranged on the periphery of each fixing ring and fixedly connected with a plurality of stirring rods.

7. The cleaning device for the inner wall of the chemical pipeline according to claim 3, wherein: the driving mechanism comprises a driving motor fixed on the top of the top cover and a reduction box in transmission connection with the driving motor, a bevel gear transmission mechanism is arranged in the reduction box, and the stirring shaft is in transmission connection with an output shaft of the reduction box.

8. The cleaning device for the inner wall of the chemical pipeline according to any one of claims 1 to 7, wherein: the chemical reagent feeding cylinder is made of transparent hard plastic, and the outer wall of the chemical reagent feeding cylinder is provided with scale marks.

9. The cleaning device for the inner wall of the chemical pipeline according to any one of claims 1 to 7, wherein: the four corners of the bottom plate are provided with universal wheels with locking mechanisms.

10. The cleaning device for the inner wall of the chemical pipeline according to claim 9, wherein: one side fixed connection at bottom plate top has the push rod that the slope set up, and the top fixed connection of push rod has the handle of level setting.