CN113425989A

CN113425989A - Novel drainage tube is fixed device

Info

Publication number: CN113425989A
Application number: CN202110708870.4A
Authority: CN
Inventors: 黄翠麦; 王建源; 李燕飞; 何银连; 梁连丹
Original assignee: Youjiang Medical University for Nationalities Affiliated Hospital
Current assignee: Youjiang Medical University for Nationalities Affiliated Hospital
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-09-24
Anticipated expiration: 2041-06-25
Also published as: CN113425989B

Abstract

The invention discloses a novel drainage tube fixing device which comprises a fixing frame, wherein an arc-shaped plate is arranged on one side, which is attached to a human body, of the fixing frame, a pressing part is arranged on the arc-shaped plate, and an elastic belt connected with the human body is arranged on the fixing frame; the fixing frame is provided with a cavity, a supporting part is arranged in the cavity, the supporting part is arranged corresponding to the position to be drained, and the supporting part is in sliding connection with the fixing frame; the supporting part comprises a supporting plate which is in sliding connection with the fixing frame, a through hole is formed in the supporting plate, and a drainage tube is arranged in the through hole. The fixing device is simple to operate and convenient to use, the weight of the fixing device is reduced, the load of the fixing device on the body of a patient is further reduced, the contact position of the drainage tube and the body of the patient is convenient to observe, higher fixing effects can be achieved on drainage tubes of different sizes, and the probability of dislocation or bending of the drainage tube is reduced.

Description

Novel drainage tube is fixed device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a novel drainage tube fixing device.

Background

The clinical surgical drainage tubes have various types, some are used for catheterization, and some are used for wounds, thoracic cavities, brain cavities, gastrointestinal tracts, biliary tracts and the like. Surgical drainage is used for guiding pus, blood and liquid accumulated in human tissues or body cavities to the outside of a body so as to prevent postoperative infection and influence on wound healing.

In hepatobiliary surgery nursing, when the drainage tube cartridge was on patient's health, and in order to avoid the patient to lead to the drainage tube to take place to misplace or buckle when moving, and then influence the water conservancy diversion effect of drainage tube, set up drainage tube fixing device and fix the drainage tube usually to reduce the probability that the drainage tube takes place to misplace or buckle. However, the drainage tube fixing device in the prior art still has the following problems:

1. most drainage tube fixing devices are complex in structure, the steps of mounting and dismounting are complex, and the labor cost of medical workers is increased in the using process.

2. Because the drainage tube fixing device structure is complicated, lead to fixing device weight great, increased extra load to patient's health, the phenomenon that fixing device extruded drainage tube and patient's health contact position has even appeared, has reduced the drainage effect of drainage tube.

3. The medical staff can not well observe the contact position between the drainage tube and the body of the patient due to the arrangement of the fixing device, and the drainage risk is improved.

4. According to the actual condition of drainage operation, drainage tubes of different sizes need to be used, and the fixing device can not be used for fixing the drainage tubes of different sizes better, so that the probability of dislocation or bending of the drainage tubes is improved.

Disclosure of Invention

The invention aims to provide a novel drainage tube fixing device, which solves the problems in the prior art, is simple to operate and convenient to use, reduces the weight of the fixing device, further reduces the load of the fixing device on the body of a patient, facilitates the observation of the contact position of a drainage tube and the body of the patient, realizes a higher fixing effect on drainage tubes of different sizes, and reduces the probability of dislocation or bending of the drainage tube.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a novel drainage tube fixing device which comprises a fixing frame, wherein an arc-shaped plate is arranged on one side, which is attached to a human body, of the fixing frame, a pressing part is arranged on the arc-shaped plate, and an elastic belt connected with the human body is arranged on the fixing frame;

the fixing frame is provided with a cavity, a supporting part is arranged in the cavity, the supporting part is arranged corresponding to the position to be drained, and the supporting part is in sliding connection with the fixing frame;

the supporting part comprises a supporting plate in sliding connection with the fixing frame, a through hole is formed in the supporting plate, a drainage tube is arranged in the through hole, two airflow channels which are arranged oppositely are formed in the top end of the supporting plate, control rods are connected in the airflow channels in a sliding connection mode, the control rods are connected with a supporting part through the airflow channels in a transmission mode, and the supporting part is abutted to the drainage tube.

Preferably, the support piece includes and is located slide in the airflow channel, the slide with the backup pad sliding connection, the slide is kept away from the one end rigid coupling of control rod has the connecting plate, the connecting plate is terminal to be passed the backup pad is located in the through-hole, the connecting plate is terminal to have the support arc board through the connecting block rigid coupling, the support arc board with the drainage tube butt.

Preferably, a first hinged plate and a second hinged plate are arranged in the through hole, the first hinged plate is hinged to the connecting plate, the second hinged plate is fixedly connected with the supporting plate, a clamping arc plate is hinged to the first hinged plate, the clamping arc plate is hinged to the second hinged plate, and one end, far away from the first hinged plate, of the clamping arc plate is abutted to the drainage tube.

Preferably, one side of the sliding plate, which is far away from the control rod, is provided with a baffle plate, the baffle plate is positioned in the airflow channel, the baffle plate is fixedly connected with the supporting plate, the sliding plate is sleeved with a compression spring, and two ends of the compression spring are respectively fixedly connected with the baffle plate and the sliding plate.

Preferably, the control rod quantity is a plurality of, and is a plurality of the same size of structure of control rod is different, the control rod includes the barred body, barred body top rigid coupling has the mounting, the mounting with the backup pad top can be dismantled and be connected, barred body bottom rigid coupling has the piston, the piston is located in the air current passageway, just the piston with air current passageway looks adaptation.

Preferably, the top end of the fixing frame is provided with a plurality of storage holes for storing the control rods, the rod body penetrates through the storage holes, and the bottom end of the fixing piece is abutted against the top end of the fixing frame.

Preferably, the top end and the bottom end of the fixing frame are both provided with sliding grooves, the supporting plate is fixedly connected with a connecting block, the connecting block is fixedly connected with a sliding column, the sliding column penetrates through the sliding grooves, the sliding column is in sliding connection with the sliding grooves, a clamping block is in threaded connection with the sliding column, and the clamping block is abutted to the fixing frame.

Preferably, the pressing portion comprises a plurality of inflatable air bags arranged on the arc-shaped plate, an inflation channel is formed in the fixing frame, and the inflatable air bags are communicated with an inflator pump through the inflation channel.

Preferably, a pressure sensor is arranged on the inflatable air bag and electrically connected with the inflator pump.

Preferably, the number of the elastic belts is two, a hair surface is fixedly connected to any one of the elastic belts, and a hook surface matched with the hair surface is fixedly connected to the other elastic belt.

The invention discloses the following technical effects:

1. be provided with the human arc of laminating, the arc is fixed fixing device on patient's health with the elastic webbing cooperation, compresses tightly the portion through setting up, can further improve patient's health and fixing device's stability of being connected, and liquid discharge when patient's health is inside for when patient's belly produces lax phenomenon, compress tightly the further compressing tightly of portion, reduce patient's health and fixing device separation's possibility.

2. Through seting up the cavity on the mount, the setting of cavity has reduced fixing device's weight, and then has reduced fixing device and to the load of patient's health, set up the supporting part that can support the drainage tube simultaneously, reduce and lead to the drainage tube to break away from or the phenomenon of buckling because of patient removes or other reasons, the backup pad can move simultaneously, medical personnel can set up the backup pad position according to specifically treating the drainage position, and because the existence of cavity, the medical personnel of being convenient for observe and treat the drainage position, improve the security of drainage.

3. The setting up of cavity makes fixing device not oppress and treats the drainage position, and compresses tightly the upper and lower both sides that the portion is located treats the drainage position, when fixing device used, can not treat the drainage position and cause the extrusion, consequently improved the security that the device used.

4. Because the drainage tube can select different sizes according to actual conditions, through setting up airflow channel, put into not unidimensional control rod respectively in airflow channel to reach support piece and stretch out the purpose of different distances, stretch out different distances through support piece, have better centre gripping effect to not unidimensional drainage tube, reduce the drainage tube and squint or the possibility of buckling, and it is convenient to change the control rod, and the practicality is high.

Drawings

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

FIG. 1 is a perspective view of a novel drainage tube fixing device;

FIG. 2 is a perspective view of another view of the novel drainage tube fixing device;

FIG. 3 is a top view of the novel drainage tube securement device;

FIG. 4 is a perspective view of the support member;

FIG. 5 is a perspective view of the fastener;

FIG. 6 is a perspective view of an elastic band;

FIG. 7 is a schematic structural view of a support plate;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

wherein, 1-a fixed frame, 2-an arc plate, 3-a cavity, 4-a supporting plate, 5-a through hole, 6-a drainage tube, 7-an airflow channel, 8-a sliding plate, 9-a connecting plate, 10-a connecting block, 11-a supporting arc plate, 12-a first hinged plate, 13-a second hinged plate, 14-a clamping arc plate, 15-a baffle plate, 16-a compression spring, 17-a rod body, 18-a piston, 19-a storage hole, 20-a sliding chute, 21-a connecting block, 22-a sliding column, 23-a clamping block, 24-an inflation air bag, 25-an inflation channel, 26-an inflation pump, 27-a pressure sensor, 28-an elastic belt, 29-a rough surface, 30-a hook surface, 31-a connecting rod and 32-an end cover, 33-clamping plate, 34-annular cylinder and 35-clamping groove.

Detailed Description

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

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The invention provides a novel drainage tube fixing device which comprises a fixing frame 1, wherein an arc-shaped plate 2 is arranged on one side, which is attached to a human body, of the fixing frame 1, a pressing part is arranged on the arc-shaped plate 2, and an elastic belt 28 connected with the human body is arranged on the fixing frame 1; the fixing frame 1 is provided with a cavity 3, a supporting part is arranged in the cavity 3, the supporting part is arranged corresponding to the position to be drained, and the supporting part is in sliding connection with the fixing frame 1; the supporting part includes the backup pad 4 with the smooth butt of mount 1, has seted up through-hole 5 on the backup pad 4, is provided with drainage tube 6 in the through-hole 5, and two airflow channel 7 that set up relatively are seted up to 4 top of backup pad, and equal smooth butt has the control rod in two airflow channel 7, and the control rod is connected with support piece through airflow channel 7 transmission, support piece and drainage tube 6 butt.

This device confirms earlier before using and treats the drainage position, according to the position of treating drainage position control backup pad 4, treat the drainage position for the standard with backup pad 4 alignment, pass drainage tube 6 in the through-hole 5 on the backup pad 4 afterwards, insert drainage tube 6 and treat the drainage position and carry out the drainage back, fix mount 1 on the human body through elastic band 28, start the portion of compressing tightly to the human body, further improvement mount 1 and the fastness that the human body is connected, put into corresponding size's control rod in airflow channel 7 according to the size of drainage tube 6 afterwards, make support piece to 6 butts of drainage tube, thereby accomplish the fixing to drainage tube 6.

Further optimization scheme, support piece is including being located the slide 8 of airflow channel 7, and slide 8 and 4 sliding connections of backup pad, and the one end rigid coupling that the control rod was kept away from to slide 8 has connecting

plate

9, and 9 ends of connecting plate pass backup pad 4 and lie in through-

hole

5, and 9 ends of connecting plate have support arc board 11 through connecting block 10 rigid couplings, support arc board 11 and drainage tube 6 butt. Under the effect of control rod, the air in control rod compression airflow channel 7, and then make slide 8 take place the motion, slide 8 drives and supports the motion of arc board 11, the realization is to the centre gripping of drainage tube 6, consequently, through insert the control rod of different length in airflow channel 7, can realize supporting the distance difference of arc board 11 motion, consequently can be according to the size of practical use drainage tube 6, put into the control rod of different length, the realization is to the centre gripping of not unidimensional drainage tube 6, reduce its possibility of taking place the skew.

The connecting block 10 is fixedly connected with the supporting arc plates 11 through the connecting rods 31, the number of the supporting arc plates 11 is two, and the connecting rods 31 are positioned between the two supporting arc plates 11. The two supporting arc plates 11 are arranged, and the two supporting arc plates 11 have a certain width so as to clamp the drainage tube 6.

Further optimize the scheme, be provided with first articulated slab 12 and second articulated slab 13 in the through-hole 5, first articulated slab 12 is articulated with connecting plate 9, and second articulated slab 13 and backup pad 4 rigid coupling have a centre gripping arc plate 14 on the first articulated slab 12, and centre gripping arc plate 14 is articulated with second articulated slab 13, and the one end and the drainage tube 6 butt that first articulated slab 12 was kept away from to centre gripping arc plate 14. Because the connecting plate 9 is articulated with first articulated slab 12, first articulated slab 12 is articulated with centre gripping arc plate 14 again, and centre gripping arc plate 14 is articulated with second articulated slab 13 again, consequently when slide 8 drives the direction motion of connecting plate 9 to drainage tube 6, connecting plate 9 drives first articulated slab 12 motion, and then drive centre gripping arc plate 14 to the direction emergence motion of drainage tube 6, when supporting arc plate 11 and the drainage tube 6 left and right sides butt, centre gripping arc plate 14 also with the upper and lower both sides butt of drainage tube 6, in order to improve the centre gripping effect to drainage tube 6.

The clamping arc plate 14 can be located between the two supporting arc plates 11, and when the connecting plate 9 drives the two supporting arc plates 11 to move, the supporting arc plates 11 do not affect the movement of the clamping arc plate 14, so that the device can be clamped normally.

According to the further optimization scheme, a baffle plate 15 is arranged on one side, away from the control rod, of the sliding plate 8, the baffle plate 15 is located in the airflow channel 7, the baffle plate 15 is fixedly connected with the supporting plate 4, a compression spring 16 is sleeved on the sliding plate 8, and two ends of the compression spring 16 are fixedly connected with the baffle plate 15 and the sliding plate 8 respectively. The purpose of arranging the compression spring 16 is to enable the sliding plate 8 to drive the support arc plates 11 to move in the direction away from the drainage tube 6, when no control rod is arranged in the airflow channel 7, the compression spring 16 is in a normal state, the distance between the two support arc plates 11 is the largest at the moment, when the drainage tube 6 needs to be clamped, the control rod is put in, the compression spring 16 is in a compression state at the moment, after the clamping of the belt is finished, the control rod is taken out, and the compression spring 16 drives the two support arc plates 11 to return to the initial position.

Further optimization scheme, control rod quantity is a plurality of, and the structure equidimension of a plurality of control rods is different, and the control rod includes barred body 17, and barred body 17 top rigid coupling has the mounting, and the mounting can be dismantled with the backup pad 4 top and be connected, and barred body 17 bottom rigid coupling has piston 18, and piston 18 is located airflow channel 7, and piston 18 and airflow channel 7 looks adaptation. The piston 18 is used for squeezing the air in the air flow channel 7 to enable the sliding plate 8 to move, a plurality of control rods can be arranged, the length of each control rod is different due to the different lengths of the rod bodies 17, each two control rods are in one group, the rod bodies 17 in one group are the same in length and are placed in the two air flow channels 7, and therefore the two supporting arc plates 11 can move the same distance.

The fixing piece comprises an end cover 32 fixed with the rod body 17, a clamping plate 33 is fixed on the end cover 32, an annular cylinder 34 is fixedly connected to the top end of the supporting plate 4, the annular cylinder 34 is communicated with the air flow channel 7, a clamping groove 35 is fixedly connected to the annular cylinder 34, and the clamping plate 33 is matched with the clamping groove 35. The stick body 17 can stretch into airflow channel 7 by annular cylinder 34, stretch into airflow channel 7 with the stick body 17 after, twist end cover 32 for cardboard 33 on the end cover 32 gets into in the draw-in groove 35, so that the end cover 32 can not remove, and then makes the stick body 17 can not pop out, improves the centre gripping effect to drainage tube 6.

According to the further optimization scheme, the top end of the fixing frame 1 is provided with a plurality of storage holes 19 for storing control rods, the rod body 17 penetrates through the storage holes 19, and the bottom end of the fixing piece is abutted to the top end of the fixing frame 1. The storage hole 19 is used for storing other control rods with different sizes, when the fixing device is not used, the rod body 17 can be inserted into the storage hole 19, the fixing device is convenient to place, and when the fixing device is used, all the control rods positioned in the storage hole 19 can be taken out, so that the weight of the fixing device is reduced, and the load on the body of a patient is further reduced.

Further optimize the scheme, spout 20 has all been seted up to mount 1 top and bottom, and the rigid coupling has even piece 21 on backup pad 4, and the rigid coupling has traveller 22 on even piece 21, and traveller 22 passes spout 20, and traveller 22 and spout 20 sliding connection, and threaded connection has fixture block 23 on the traveller 22, and fixture block 23 and mount 1 butt. The sliding grooves 20 and the sliding posts 22 are matched to enable the support plate 4 to move and be fixed, and the top end of the support plate 4 should penetrate through the sliding grooves 20 at the top end of the fixing frame 1. And the top end of the support plate 4 should be higher than the top end of the fixed frame 1 to facilitate the placement of the control rods. The placement of the fixture blocks 23 should be based on the support plate 4 not moving up and down in the sliding slot 20, i.e., one fixture block 23 is placed at the top end of the support plate 4 and the other fixture block 23 is placed at the bottom end of the support plate 4.

Further optimize the scheme, the compressing part comprises a plurality of inflatable air bags 24 arranged on the arc-shaped plate 2, an inflatable channel 25 is arranged in the fixing frame 1, and the inflatable air bags 24 are communicated with an inflator pump 26 through the inflatable channel 25. The inflatable air bag 24 is inflated by controlling the inflator pump 26, the inflatable air bag 24 is expanded to extrude the body of the patient, the possibility that the fixing device is separated from the body of the patient is reduced, and the inflatable air bag 24 is soft in material and cannot cause additional injury to the body of the patient.

In a further optimized scheme, a pressure sensor 27 is arranged on the inflatable air bag 24, and the pressure sensor 27 is electrically connected with the inflator 26. Through set up pressure sensor 27 on inflating gasbag 24, pressure sensor 27 detects the pressure of inflating gasbag 24 and patient's health surface, and electric connection inflator pump 26, inflator pump 26 can supply air or deflate according to pressure sensor 27's feedback, the purpose of doing so is on the one hand with the pressure of inflating gasbag 24 and patient's health surface maintain certain scope, improve patient's travelling comfort, on the other hand because the inside liquid of patient's health is discharged, when making patient's belly loose phenomenon, and inflator pump 26 can further aerify this moment, make inflating gasbag 24 and patient's health in close contact with, reduce the possibility that patient's health and fixing device separated.

In a further optimized scheme, two elastic belts 28 are arranged, a hair surface 29 is fixedly connected to any one elastic belt 28, and a hook surface 30 matched with the hair surface 29 is fixedly connected to the other elastic belt 28. The fixing frame 1 is bound on the human body of a patient through the arrangement of the hair surface 29 and the hook surface 30, and the installation and the disassembly are convenient.

The working principle is as follows: before the device is used, the position to be drained is determined, the clamping block 23 is loosened according to the position to be drained, the supporting plate 4 moves to the corresponding position in the sliding groove 20, the clamping block 23 is fastened, then the drainage tube 6 penetrates through the through hole 5 in the supporting plate 4, the drainage tube 6 is inserted into the position to be drained for drainage, the fixing frame 1 is fixed on a human body through the elastic band 28, the inflator pump 26 is started, the inflatable air bag 24 is inflated through the inflatable channel 25, the pressure sensor 27 detects the pressure value of the inflatable air bag 24 and the surface of the body of a patient, the inflator pump 26 stops inflating after the pressure value reaches a specified range, then the rod body 17 with the corresponding size is placed in the airflow channel 7 according to the size of the drainage tube 6, the end cover 32 is twisted after the rod body 18 is placed, the clamping plate 33 moves into the clamping groove 35, the airflow in the airflow channel 7 presses the sliding plate 8 to move towards the direction of the drainage tube 6, so that the supporting arc plate 11 abuts against the drainage tube 6, meanwhile, the movement of the connecting plate 9 enables the clamping arc plate 14 to abut against the drainage tube 6, so that the drainage tube 6 is fixed.

After drainage is finished, the air supply of the air pump 26 is stopped, the end cover 32 is rotated, the rod body 17 is taken out of the air flow channel 7 and is inserted into the storage hole 19, the supporting arc plate 11 and the clamping arc plate 14 return to the original positions under the action of the compression spring 16, then the connection between the hair surface 29 and the hook surface 30 is released, and the fixing frame 1 is taken down from the body of the patient.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. A novel drainage tube fixing device is characterized by comprising a fixing frame (1), wherein an arc-shaped plate (2) is arranged on one side, which is attached to a human body, of the fixing frame (1), a pressing part is arranged on the arc-shaped plate (2), and an elastic belt (28) connected with the human body is arranged on the fixing frame (1);

a cavity (3) is formed in the fixing frame (1), a supporting part is arranged in the cavity (3), the supporting part corresponds to a position to be drained, and the supporting part is in sliding connection with the fixing frame (1);

the supporting part comprises a supporting plate (4) in sliding connection with the fixing frame (1), a through hole (5) is formed in the supporting plate (4), a drainage tube (6) is arranged in the through hole (5), two airflow channels (7) which are oppositely arranged are formed in the top end of the supporting plate (4), control rods are connected in the airflow channels (7) in a sliding connection mode, the control rods are connected with a supporting part in a transmission mode through the airflow channels (7), and the supporting part is abutted to the drainage tube (6).

2. The new draft tube fixing device according to claim 1, wherein: support piece is including being located slide (8) in airflow channel (7), slide (8) with backup pad (4) sliding connection, slide (8) are kept away from the one end rigid coupling of control rod has connecting plate (9), connecting plate (9) end is passed backup pad (4) are located in through-hole (5), connecting plate (9) end has support arc board (11) through connecting block (10) rigid coupling, support arc board (11) with drainage tube (6) butt.

3. The new draft tube fixing device according to claim 2, wherein: be provided with first articulated slab (12) and second articulated slab (13) in through-hole (5), first articulated slab (12) with connecting plate (9) are articulated, second articulated slab (13) with backup pad (4) rigid coupling, it has centre gripping arc board (14) to articulate on first articulated slab (12), centre gripping arc board (14) with second articulated slab (13) are articulated, just centre gripping arc board (14) keep away from the one end of first articulated slab (12) with drainage tube (6) butt.

4. The new draft tube fixing device according to claim 2, wherein: one side of slide (8) keeping away from the control rod is provided with baffle (15), baffle (15) are located in airflow channel (7), just baffle (15) with backup pad (4) rigid coupling, the cover is equipped with compression spring (16) on slide (8), compression spring (16) both ends respectively with baffle (15) with slide (8) rigid coupling.

5. The new draft tube fixing device according to claim 1, wherein: the control rod quantity is a plurality of, and is a plurality of the same size of structure of control rod is different, the control rod includes barred body (17), barred body (17) top rigid coupling has the mounting, the mounting with backup pad (4) top can be dismantled and be connected, barred body (17) bottom rigid coupling has piston (18), piston (18) are located in airflow channel (7), just piston (18) with airflow channel (7) looks adaptation.

6. The new draft tube fixing device according to claim 5, wherein: the top end of the fixing frame (1) is provided with a plurality of storage holes (19) for storing the control rods, the rod body (17) penetrates through the storage holes (19), and the bottom end of the fixing piece is abutted against the top end of the fixing frame (1).

7. The new draft tube fixing device according to claim 1, wherein: spout (20) have all been seted up to mount (1) top and bottom, the rigid coupling has even piece (21) on backup pad (4), the rigid coupling has traveller (22) on even piece (21), traveller (22) pass spout (20), just traveller (22) with spout (20) sliding connection, threaded connection has fixture block (23) on traveller (22), fixture block (23) with mount (1) butt.

8. The new draft tube fixing device according to claim 1, wherein: the pressing portion comprises a plurality of inflatable air bags (24) arranged on the arc-shaped plate (2), an inflatable channel (25) is formed in the fixing frame (1), and the inflatable air bags (24) are communicated with an inflator pump (26) through the inflatable channel (25).

9. The new draft tube fixing device according to claim 8, wherein: the inflatable air bag (24) is provided with a pressure sensor (27), and the pressure sensor (27) is electrically connected with the inflator pump (26).

10. The new draft tube fixing device according to claim 1, wherein: the elastic belt (28) is provided with two, any one elastic belt (28) is fixedly connected with a hair surface (29), and the other elastic belt (28) is fixedly connected with a hook surface (30) matched with the hair surface (29).