CN215742861U

CN215742861U - Organic waste gas integration catalytic furnace

Info

Publication number: CN215742861U
Application number: CN202021805155.XU
Authority: CN
Inventors: 张平; 陈杰; 马银海
Original assignee: Shaoxing Zhongte Machinery Manufacturing Co ltd
Current assignee: Shaoxing Zhongte Machinery Manufacturing Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2022-02-08
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses an organic waste gas integrated catalytic furnace, which comprises a processing box and a connecting box arranged on the processing box, wherein a first processing cavity and a second processing cavity are arranged on the processing box, the first processing cavity is communicated with the second processing cavity, a sintering nozzle is arranged in the first processing cavity, a heat exchange cavity communicated with the first processing cavity and the second processing cavity is arranged on the connecting box, an installation frame is arranged in the second processing cavity, and a plurality of cavities are arranged on the installation frame; a first connecting plate is arranged on the side wall of the treatment box, a first movable groove is formed in the top of the treatment box, and a first sliding block matched with the first movable groove is arranged at the bottom of the connecting box; through the form of removing the connecting box, make first treatment chamber and second treatment chamber all directly clear up, very big reduction the washing degree of difficulty of handling the case and the change degree of difficulty of catalyst, be favorable to the popularization and the use of catalytic combustion method.

Description

Organic waste gas integration catalytic furnace

Technical Field

The utility model belongs to the technical field of waste gas treatment, and particularly relates to an organic waste gas integrated catalytic furnace.

Background

The catalytic combustion method, which has been used to treat three wastes, almost totally adopts an oxidation combustion method to oxidize and decompose harmful wastes into CO2, H2O and the like at a temperature of over 900 ℃, thereby purifying the waste gases. Therefore, the energy consumption is large and the method is not economical. The catalytic combustion method is adopted, the harmful substances in the organic waste gas are completely changed into the harmless substances at flameless and low temperature by the aid of the catalyst, and heat can be self-supplied or only a small amount of heat needs to be supplemented during combustion. The discharged waste heat can be recycled; the development and use are already carried out in foreign countries, and in recent years, China has a few research units to carry out development and research. The catalytic incineration method has the characteristics that: the ignition temperature is low, generally 200-280 ℃, the reaction time is short, and the purification efficiency is high, so that a large amount of energy is saved, and the energy is only one third of that of an oxidation burning method.

Compared with a thermal combustion method, the catalytic combustion requires less auxiliary fuel, the energy consumption is low, and the volume of equipment and facilities is small. However, the problems of high cost for replacing and cleaning the catalytic bed layer affect the popularization and application of the method in the industrial production process.

SUMMERY OF THE UTILITY MODEL

The utility model provides an organic waste gas integrated catalytic furnace for overcoming the defects of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: an organic waste gas integrated catalytic furnace comprises a treatment box and a connecting box arranged on the treatment box, wherein a first treatment cavity and a second treatment cavity are arranged on the treatment box, the first treatment cavity is communicated with the second treatment cavity, a sintering nozzle is arranged in the first treatment cavity, a heat exchange cavity communicated with the first treatment cavity and the second treatment cavity is arranged on the connecting box, an installation frame is arranged in the second treatment cavity, and a plurality of cavities are arranged on the installation frame; a first connecting plate is arranged on the side wall of the treatment box, a first movable groove is formed in the top of the treatment box, and a first sliding block matched with the first movable groove is arranged at the bottom of the connecting box; when waste gas is treated, the waste gas to be treated is introduced into a heat exchange cavity, the waste gas to be treated is preheated under the action of the heat exchange cavity, the preheated waste gas enters a first treatment cavity, a sintering nozzle is used for heating the waste gas, the temperature of the waste gas is continuously increased to a specified value, the heated waste gas enters a second treatment cavity, a catalyst is placed in a cavity on an installation frame, the waste gas is contacted with the catalyst in the cavity after the waste gas is in the second treatment cavity, the waste gas is treated under the action of the catalyst, the waste gas is converted into carbon dioxide and water, the treated waste gas enters the heat exchange cavity again, the heat energy in the treated waste gas is recovered by using the heat exchange cavity, and finally the treated waste gas is discharged; when the catalyst needs to be replaced, the connecting box is pushed to move relative to the processing box, the connecting box moves to the first connecting plate, the second processing box is directly exposed outside, the mounting frame is pulled upwards, the whole mounting frame can be directly taken out of the second processing cavity, so that the catalyst in the cavity can be replaced, impurities at the bottom of the mounting frame can be directly cleaned, and the catalyst replacement difficulty and the cleaning difficulty in the second processing cavity are reduced; the connecting box can be pushed to move towards the other direction, so that the first treatment cavity is directly exposed to the outside, and impurities in the first treatment cavity can be conveniently cleaned, and the cleaning difficulty of the whole treatment box is reduced; through the form of removing the connecting box, make first treatment chamber and second treatment chamber all directly clear up, very big reduction the washing degree of difficulty of handling the case and the change degree of difficulty of catalyst, be favorable to the popularization and the use of catalytic combustion method.

First activity tank bottom is equipped with first spacing groove, first spacing groove top is equipped with the second spacing groove, the connecting box bottom is equipped with two sets of first sliders, one of them a set of first slider on be equipped with first spacing groove matched with first stopper, another set of first slider on be equipped with second spacing groove matched with second stopper.

The treatment box is characterized in that a second movable groove is formed in the side wall of the treatment box, a supporting spring is arranged in the second movable groove, a third limiting block is arranged at the top of the supporting spring, and the third limiting block penetrates through the first connecting plate.

An air inlet is formed in the side wall of the heat exchange cavity, an air delivery pipe communicated with the air inlet is arranged in the heat exchange cavity, and the air delivery pipe is communicated with the first treatment cavity; the bottom of the heat exchange cavity is provided with an air inlet, the air inlet is formed in the top of the second treatment cavity, a connecting pipe is arranged in the heat exchange cavity, the top of the connecting pipe is provided with a second connecting plate, the second connecting plate is provided with an air conveying cavity communicated with the connecting pipe, and the side wall of the heat exchange cavity is provided with an air outlet communicated with the air conveying cavity.

Be equipped with on the connecting box lateral wall with the communicating mounting groove of air inlet, wear to be equipped with first mounting panel and second mounting panel in the mounting groove, be equipped with first through-hole on the first mounting panel, be equipped with on the second mounting panel with the corresponding second through-hole of first through-hole, first mounting panel with be equipped with the filter screen between the second mounting panel, be equipped with the head rod on the first mounting panel, be equipped with on the second mounting panel with head rod matched with spread groove.

The side wall of the connecting box is provided with a first sliding groove, a second sliding block is arranged in the first sliding groove, the bottom of the second sliding block is provided with a material receiving plate, the material receiving plate is arranged below the air inlet, and a surrounding plate is arranged on the material receiving plate.

The air inlet is characterized in that a third movable groove is formed in the inner wall of the air inlet, a connecting shaft is arranged in the third movable groove, a connecting block is arranged at one end of the connecting shaft, a fourth movable groove is formed in the connecting block, a movable plate is arranged in the fourth movable groove, a second connecting rod is arranged at the bottom of the movable plate, a push plate is arranged at the bottom of the second connecting rod, and the push plate is arranged above the filter screen.

The top of the movable plate is provided with a connecting spring, the top end of the connecting spring is fixedly connected with the top of the fourth movable groove, one end of the third movable groove is provided with a movable cavity, and a driving motor used for pushing the movable plate to move upwards is arranged in the movable cavity.

The movable cavity is internally provided with a movable rod, the inner wall of the movable cavity is provided with a second sliding groove matched with the movable rod, a reset spring is arranged in the second sliding groove, the connecting shaft is provided with a through cavity, the movable plate is provided with a connecting rope, one end of the connecting rope is fixedly connected to the movable rod, the movable cavity is internally provided with a cam, and the output shaft of the driving motor is provided with a driving wheel matched with the cam in a transmission manner.

The utility model has the following advantages: when the catalyst needs to be replaced, the connecting box is pushed to move relative to the processing box, the connecting box moves to the first connecting plate, the second processing box is directly exposed outside, the mounting frame is pulled upwards, the whole mounting frame can be directly taken out of the second processing cavity, so that the catalyst in the cavity can be replaced, impurities at the bottom of the mounting frame can be directly cleaned, and the catalyst replacement difficulty and the cleaning difficulty in the second processing cavity are reduced; the connecting box can be pushed to move towards the other direction, so that the first treatment cavity is directly exposed to the outside, and impurities in the first treatment cavity can be conveniently cleaned, and the cleaning difficulty of the whole treatment box is reduced; through the form of removing the connecting box, make first treatment chamber and second treatment chamber all directly clear up, very big reduction the washing degree of difficulty of handling the case and the change degree of difficulty of catalyst, be favorable to the popularization and the use of catalytic combustion method.

Drawings

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

Fig. 2 is a right side view of the present invention.

Fig. 3 is a cross-sectional view taken along a-a in fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a cross-sectional view taken along line B-B of fig. 2.

Fig. 6 is an enlarged view of fig. 5 at B.

Fig. 7 is a cross-sectional view taken along line E-E of fig. 2.

Fig. 8 is a front view of the present invention.

Fig. 9 is a cross-sectional view taken along F-F in fig. 8.

Fig. 10 is an enlarged view of fig. 9 at C.

Fig. 11 is an enlarged view of fig. 9 at D.

Fig. 12 is a cross-sectional view taken along G-G in fig. 8.

Fig. 13 is an enlarged view of fig. 12 at E.

Detailed Description

As shown in fig. 1 to 13, an organic waste gas integrated catalytic furnace includes a processing box 1 and a connection box 2 disposed on the processing box 1, wherein a first processing chamber 11 and a second processing chamber 12 are disposed on the processing box 1, the first processing chamber 11 is communicated with the second processing chamber 12, a sintering nozzle 111 is disposed in the first processing chamber 11, the connection box 2 is provided with a heat exchange chamber 21 communicated with the first processing chamber 11 and the second processing chamber 12, a mounting frame 121 is disposed in the second processing chamber 12, and a plurality of cavities 122 are disposed on the mounting frame 121; a first connecting plate 13 is arranged on the side wall of the treatment box 1, a first movable groove 131 is arranged at the top of the treatment box 1, and a first sliding block matched with the first movable groove 131 is arranged at the bottom of the connecting box 2; when waste gas is treated, the waste gas to be treated is introduced into a heat exchange cavity, the waste gas to be treated is preheated under the action of the heat exchange cavity, the preheated waste gas enters a first treatment cavity, a sintering nozzle is used for heating the waste gas, the temperature of the waste gas is continuously increased to a specified value, the heated waste gas enters a second treatment cavity, a catalyst is placed in a cavity on an installation frame, the waste gas is contacted with the catalyst in the cavity after the waste gas is in the second treatment cavity, the waste gas is treated under the action of the catalyst, the waste gas is converted into carbon dioxide and water, the treated waste gas enters the heat exchange cavity again, the heat energy in the treated waste gas is recovered by using the heat exchange cavity, and finally the treated waste gas is discharged; when the catalyst needs to be replaced, the connecting box is pushed to move relative to the processing box, the connecting box moves to the first connecting plate, the second processing box is directly exposed outside, the mounting frame is pulled upwards, the whole mounting frame can be directly taken out of the second processing cavity, so that the catalyst in the cavity can be replaced, impurities at the bottom of the mounting frame can be directly cleaned, and the catalyst replacement difficulty and the cleaning difficulty in the second processing cavity are reduced; the connecting box can be pushed to move towards the other direction, so that the first treatment cavity is directly exposed to the outside, and impurities in the first treatment cavity can be conveniently cleaned, and the cleaning difficulty of the whole treatment box is reduced; through the form of removing the connecting box, make first treatment chamber and second treatment chamber all directly clear up, very big reduction the washing degree of difficulty of handling the case and the change degree of difficulty of catalyst, be favorable to the popularization and the use of catalytic combustion method.

A first limiting groove 133 is formed in the bottom of the first movable groove, a second limiting groove 132 is formed above the first limiting groove 133, two groups of first sliding blocks are arranged at the bottom of the connecting box 2, a first limiting block matched with the first limiting groove 133 is arranged on one group of the first sliding blocks, and a second limiting block matched with the second limiting groove 132 is arranged on the other group of the first sliding blocks; the first limiting groove is directly communicated with the outside, and the second limiting groove is not communicated with the outside; when changing the catalyst, promote the joint box toward first process chamber direction, first slider removes in first activity inslot, the first slider that is equipped with first stopper directly shifts out from first activity inslot, the first slider that is equipped with the second stopper removes to second spacing groove one end, utilize the mutually supporting of second stopper and second spacing groove, play good supporting role for the joint box, guarantee the joint box and the linkage effect who handles the case, make first process chamber expose outside completely simultaneously, so that direct cleaning change is done to the installing frame in the first process chamber.

A second movable groove is formed in the side wall of the treatment box 1, a support spring 141 is arranged in the second movable groove, a third limiting block 14 is arranged at the top of the support spring 141, and the third limiting block 14 penetrates through the first connecting plate 13; when the catalyst needs to be replaced, the third limiting block on one side is pushed downwards, the third limiting block is pushed into the second movable groove, the connecting box can be directly pushed to move, and the first treatment cavity is exposed outside so as to replace the catalyst on the mounting frame; after the catalyst is changed and is accomplished, the connecting box is pushed back, and the third stopper that the connecting box contacted one side stops moving, and the connecting box is putd aside from the third stopper top of opposite side, and the third stopper top loses up motion under the supporting spring effect after the pressure, makes the connecting box both sides all set up the third stopper, utilizes the third stopper to play the fixed action to the connecting box, avoids the connecting box to remove when using.

An air inlet 22 is arranged on the side wall of the heat exchange cavity 21, an air conveying pipe 221 communicated with the air inlet 22 is arranged in the heat exchange cavity 21, and the air conveying pipe 221 is communicated with the first treatment cavity 11; the bottom of the heat exchange cavity 21 is provided with an air inlet, the air inlet is arranged at the top of the second treatment cavity 12, a connecting pipe 23 is arranged in the heat exchange cavity 21, the top of the connecting pipe 23 is provided with a second connecting plate 24, the second connecting plate 24 is provided with an air transmission cavity 241 communicated with the connecting pipe 23, and the side wall of the heat exchange cavity 21 is provided with an air outlet communicated with the air transmission cavity 241; the air inlet is two sets, corresponding gas-supply pipe is also two sets, two sets of gas-supply pipes are located gas-supply chamber both sides respectively, and the waste gas after the processing enters into the gas-supply chamber through the air inlet, and the waste gas of pending enters into in the gas-supply pipe through the air inlet, and the heat transfer in the gas-supply chamber is to the gas-supply pipe top, plays the preheating process to the waste gas in the gas-supply pipe to heat energy in the waste gas after handling is retrieved, reduces the heat energy waste.

A mounting groove communicated with the air inlet is formed in the side wall of the connecting box 2, a first mounting plate 31 and a second mounting plate 32 penetrate through the mounting groove, a first through hole is formed in the first mounting plate 31, a second through hole corresponding to the first through hole is formed in the second mounting plate 32, a filter screen 33 is arranged between the first mounting plate 31 and the second mounting plate 32, a first connecting rod 311 is arranged on the first mounting plate 31, and a connecting groove matched with the first connecting rod 311 is formed in the second mounting plate 32; under the action of the filter screen, the air flow entering the air transmission cavity is filtered, so that small particle impurities carried in the air flow are prevented from entering the air transmission cavity together to influence the use of the air transmission cavity; when the filter screen is installed, the filter screen is aligned to the second through hole and is arranged on the second mounting plate, then the first mounting plate is covered on the second mounting plate, the first connecting rod is inserted into the connecting groove, the filter screen is fixed by using the first mounting plate and the second mounting plate, and then the first mounting plate and the second mounting plate are inserted into the mounting groove together, so that the first mounting plate and the second mounting plate are completely inserted into the mounting groove, and the filter screen is automatically positioned at the position of the air inlet at the moment, and the installation of the filter screen is completed; under first mounting panel and second mounting panel set up, provide the holding power for the filter screen, avoid the filter screen to drop in the second treatment chamber, guarantee the reliability that the filter screen used.

A first sliding groove 28 is formed in the side wall of the connecting box 2, a second sliding block 272 is arranged in the first sliding groove, a material receiving plate 27 is arranged at the bottom of the second sliding block 272, the material receiving plate 27 is arranged below the air inlet, and a surrounding plate 271 is arranged on the material receiving plate 27; after the waste gas enters the air inlet, most particles in the waste gas are filtered on the filter screen, impurities on the filter screen automatically fall off under the action of gravity after being increased, and the falling impurities are collected through the material receiving plate, so that the impurities are prevented from directly falling to the bottom of the mounting frame; through the matching of the first sliding chute and the second sliding block, the installation frame does not need to be frequently taken out from the second treatment cavity to be cleaned, and the falling impurities can be cleaned only by taking the material receiving plate out of the bottom of the treatment box, so that the cleaning difficulty of the catalytic furnace is reduced; the first chute is positioned on one side of the third limiting block, and the third limiting block is utilized to seal the first chute, so that the waste gas is prevented from leaking out of the first chute, and the reliability of the catalytic furnace is improved; through the setting of bounding wall, do to the impurity on the flitch and block, prevent to connect the impurity on the flitch to drop, collect impurity and reduce the clearance degree of difficulty to the impurity that drops on connecing the flitch.

A third movable groove is formed in the inner wall of the air inlet, a connecting shaft 251 is arranged in the third movable groove, a connecting block 25 is arranged at one end of the connecting shaft 251, a fourth movable groove 252 is formed in the connecting block 25, a movable plate 261 is arranged in the fourth movable groove 252, a second connecting rod is arranged at the bottom of the movable plate 261, a push plate 26 is arranged at the bottom of the second connecting rod, and the push plate 26 is arranged above the filter screen 33; waste gas is from the filter screen after, and the push pedal downstream, the push pedal striking is on the filter screen, and the impurity that pushes away on the filter screen under the push pedal effect drops to clear up the filter screen, prevent that the filter screen from blockking up promptly after using the segment time, the life of extension filter screen.

A connecting spring 263 is arranged at the top of the movable plate 261, the top end of the connecting spring 263 is fixedly connected to the top of the fourth movable groove 252, a movable cavity 29 is arranged at one end of the third movable groove, and a driving motor for pushing the movable plate 261 to move upwards is arranged in the movable cavity 29; when the catalytic furnace is used, the driving motor works to push the movable plate to move upwards under the action of the driving motor, when the driving motor does not push the movable plate, the movable plate falls downwards, the movable plate is lowered to be in contact with the filter screen under the action of inertia, and the push plate impacts on the filter screen to vibrate the filter screen, so that impurities on the filter screen are shaken off, and the filter screen is cleaned; after the push plate moves downwards, the connecting spring gradually pulls the movable plate to move to the initial height, the automatic reset of the push plate is completed, and the first mounting plate and the second mounting plate are prevented from colliding with the push plate when moving.

A movable rod 291 is arranged in the movable cavity 29, a second sliding groove matched with the movable rod 291 is arranged on the inner wall of the movable cavity 29, a return spring 292 is arranged in the second sliding groove, a through cavity 253 is arranged on the connecting shaft 251, a connecting rope 264 is arranged on the movable plate 261, one end of the connecting rope 264 is fixedly connected to the movable rod 291, a cam 210 is arranged in the movable cavity 29, and a driving wheel 220 in transmission fit with the cam 210 is arranged on an output shaft of the driving motor; when the driving motor drives the driving wheel to rotate, the driving wheel drives the cam to rotate, the cam pushes the movable rod to move, the connecting rope pulls the movable plate to move upwards, after the cam is disengaged from the movable rod, the movable rod moves back under the action of the return spring, the movable plate rapidly moves downwards under the action of gravity and the elastic force of the connecting spring, so that the push plate impacts on the filter screen to shake off impurities on the filter screen, the filter screen is prevented from being directly blocked due to excessive impurities, and the service life of the filter screen is prolonged; the push pedal is pounded on the filter screen through elasticity and the direct downstream of action of gravity, produces great striking to the filter screen to produce great vibrations on making the filter screen, increase the clearance effect to the filter screen, can effectually shake off the impurity on the filter screen.

Claims

1. The utility model provides an organic waste gas integration catalytic furnace, is including handling case (1) and locating connecting box (2) on handling case (1), be equipped with first process chamber (11) and second process chamber (12) on handling case (1), first process chamber (11) with second process chamber (12) communicate with each other, be equipped with sintering mouth (111) in first process chamber (11), connecting box (2) be equipped with first process chamber (11) with communicating heat transfer chamber (21) of second process chamber (12), its characterized in that: a mounting frame (121) is arranged in the second processing cavity (12), and a plurality of cavities (122) are arranged on the mounting frame (121); handle and be equipped with first connecting plate (13) on case (1) lateral wall, handle case (1) top and be equipped with first activity groove (131), connecting box (2) bottom be equipped with first activity groove (131) matched with first slider.

2. An organic waste gas integrated catalytic furnace according to claim 1, wherein: first activity tank bottom is equipped with first spacing groove (133), first spacing groove (133) top is equipped with second spacing groove (132), connecting box (2) bottom is equipped with two sets of first sliders, one of them a set of first slider on be equipped with first spacing groove (133) matched with first stopper, another group first slider on be equipped with second spacing groove (132) matched with second stopper.

3. An organic waste gas integrated catalytic furnace according to claim 1, wherein: handle and be equipped with the second activity groove on case (1) lateral wall, be equipped with supporting spring (141) in the second activity groove, supporting spring (141) top is equipped with third stopper (14), third stopper (14) wear to locate on first connecting plate (13).

4. An organic waste gas integrated catalytic furnace according to claim 1, wherein: an air inlet (22) is formed in the side wall of the heat exchange cavity (21), an air conveying pipe (221) communicated with the air inlet (22) is arranged in the heat exchange cavity (21), and the air conveying pipe (221) is communicated with the first treatment cavity (11); the bottom of the heat exchange cavity (21) is provided with an air inlet, the air inlet is formed in the top of the second treatment cavity (12), a connecting pipe (23) is arranged in the heat exchange cavity (21), the top of the connecting pipe (23) is provided with a second connecting plate (24), the second connecting plate (24) is provided with an air conveying cavity (241) communicated with the connecting pipe (23), and the side wall of the heat exchange cavity (21) is provided with an air outlet communicated with the air conveying cavity (241).

5. An organic waste gas integrated catalytic furnace as claimed in claim 4, wherein: be equipped with on connecting box (2) lateral wall with the communicating mounting groove of air inlet, wear to be equipped with first mounting panel (31) and second mounting panel (32) in the mounting groove, be equipped with first through-hole on first mounting panel (31), be equipped with on second mounting panel (32) with the corresponding second through-hole of first through-hole, first mounting panel (31) with be equipped with filter screen (33) between second mounting panel (32), be equipped with head rod (311) on first mounting panel (31), be equipped with on second mounting panel (32) with head rod (311) matched with spread groove.

6. An organic waste gas integrated catalytic furnace as claimed in claim 5, wherein: the side wall of the connecting box (2) is provided with a first sliding groove (28), a second sliding block (272) is arranged in the first sliding groove, the bottom of the second sliding block (272) is provided with a material receiving plate (27), the material receiving plate (27) is arranged below the air inlet, and a surrounding plate (271) is arranged on the material receiving plate (27).

7. An organic waste gas integrated catalytic furnace as claimed in claim 5, wherein: be equipped with the third activity groove on the air inlet inner wall, be equipped with connecting axle (251) in the third activity groove, connecting axle (251) one end is equipped with connecting block (25), be equipped with fourth activity groove (252) on connecting block (25), be equipped with fly leaf (261) in fourth activity groove (252), fly leaf (261) bottom is equipped with the second connecting rod, second connecting rod bottom is equipped with push pedal (26), push pedal (26) are located filter screen (33) top.

8. An organic waste gas integrated catalytic furnace as claimed in claim 7, wherein: fly leaf (261) top is equipped with connecting spring (263), connecting spring (263) top link firmly in fourth activity groove (252) top, third activity groove one end is equipped with activity chamber (29), be equipped with in activity chamber (29) and be used for promoting fly leaf (261) up-moving's driving motor.

9. An organic waste gas integrated catalytic furnace as claimed in claim 8, wherein: be equipped with movable rod (291) in activity chamber (29), be equipped with on activity chamber (29) inner wall with movable rod (291) matched with second spout, be equipped with reset spring (292) in the second spout, be equipped with logical chamber (253) on connecting axle (251), be equipped with on fly leaf (261) and connect rope (264), connect rope (264) one end link firmly in on movable rod (291), be equipped with cam (210) in activity chamber (29), be equipped with on the driving motor output shaft with cam (210) transmission complex drive wheel (220).