阅读说明：本技术 一种用于羟丙基甲基纤维素的dcs自动化集散控制系统 (DCS (distributed control system) automatic distributed control system for hydroxypropyl methyl cellulose ) 是由 王绪林 王绪国 王先兰 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种用于羟丙基甲基纤维素的DCS自动化集散控制系统,属于羟丙基甲基纤维素技术领域,包括DCS控制器本体和位于DCS控制器本体上的接口,所述接口的开口处通过连接组件可旋转安装有封口板,且封口板靠近DCS控制器本体的一侧面固定有密封垫,所述密封垫的侧面设置有若干卡位凸起,所述封口板靠近DCS控制器本体的一侧面开设有与卡位凸起数量相等且相匹配的卡位槽,所述DCS控制器本体的后侧面通过若干卡接组件可拆卸安装有背板；通过设置可旋转的封口板配合密封垫,既能够对空置的接口进行封堵,防止其内部进入灰尘等杂质,延长DCS控制器本体的使用寿命,也方便打开封口板,结构简单,操作便捷,实用性强。(The invention discloses a DCS (distributed control system) automatic distributed control system for hydroxypropyl methyl cellulose, which belongs to the technical field of hydroxypropyl methyl cellulose and comprises a DCS controller body and an interface positioned on the DCS controller body, wherein a sealing plate is rotatably arranged at the opening of the interface through a connecting assembly, a sealing gasket is fixed on one side surface of the sealing plate close to the DCS controller body, a plurality of clamping bulges are arranged on the side surface of the sealing gasket, clamping grooves which are equal in number and matched with the clamping bulges are formed in one side surface of the sealing plate close to the DCS controller body, and a back plate is detachably arranged on the rear side surface of the DCS controller body through a plurality of clamping assemblies; through setting up the sealed pad of rotatable sealing plate cooperation, can enough carry out the shutoff to vacant interface, prevent impurity such as its inside entering dust, the life of extension DCS controller body also conveniently opens the sealing plate, simple structure, the simple operation, the practicality is strong.)

1. The utility model provides an automatic distributed control system of DCS for hydroxypropyl methyl cellulose, includes DCS controller body (1) and is located interface (2) on DCS controller body (1), its characterized in that: the opening of the interface (2) is rotatably provided with a sealing plate (5) through a connecting assembly, a sealing gasket (6) is fixed on one side of the sealing plate (5) close to the DCS controller body (1), a plurality of clamping protrusions (8) are arranged on the side of the sealing gasket (6), and clamping grooves (7) which are equal in number and matched with the clamping protrusions (8) are formed in one side of the sealing plate (5) close to the DCS controller body (1);

the rear side of DCS controller body (1) has backplate (3) through a plurality of joint subassemblies demountable installation, and the rear side of backplate (3) is provided with riser (4), two spout (42) have been seted up on riser (4), the rear side of backplate (3) is fixed with two sliders, and two sliders are respectively slidable mounting in the inside of two spout (42), the rear side of riser (4) is provided with the adjusting part that is used for adjusting DCS controller body (1) position.

2. The DCS automated distributed control system for hydroxypropyl methylcellulose of claim 1, wherein: coupling assembling includes compressing tightly piece (10), round bar (13) and two connecting plates (9), the one end at two connecting plates (9), two is fixed in round bar (13) the other end of connecting plate (9) all with seal board (5) fixed connection, compressing tightly piece (10) are including interior concave part (11) and two fixed part (12), fixed part (12) are fixed on DCS controller body (1), round bar (13) run through the clearance that forms between interior concave part (11) and DCS controller body (1).

3. The DCS automated distributed control system for hydroxypropyl methylcellulose of claim 1, wherein: the clamping assembly comprises an inserting column (16), a connecting column (17) and a plurality of spring pieces (20), one side surface of the back plate (3) is provided with a conical blind hole (14), and the other side surface of the back plate (3) is provided with a first through hole (15), the conical blind hole (14) is communicated with the first through hole (15), the inserting column (16) is fixedly connected with the DCS controller body (1), the connecting column (17) is fixedly connected with the back plate (3), one end of the connecting column (17) is provided with a second through hole (18), and the other end of the connecting column (17) is provided with a clamping groove (19), the through hole II (18) is communicated with the clamping groove (19), the inserting column (16) penetrates through the conical blind hole (14) and the first through hole (15) and extends into the second through hole (18) and is fixedly connected with a plurality of spring pieces (20), one end of the spring piece (20) far away from the inserting column (16) is fixed with a clamping block (21).

4. The DCS automated distributed control system for hydroxypropyl methylcellulose according to claim 3, wherein: it is a plurality of it has support column (22) to peg graft between spring leaf (20), the one end of support column (22) is fixed with seal cover (23), and seal cover (23) cup joint on spliced pole (17), the other end of support column (22) is fixed with connector (24), and the one end of connector (24) is seted up fluted one (25), the inside of recess one (25) is fixed with magnet piece one (26), the one end that inserts post (16) and be close to spring leaf (20) is seted up fluted two (27), and the inside of recess two (27) is fixed with magnet piece two (28), magnet piece two (28) can be inhaled with magnet piece one (26) magnetism and be connected.

5. The DCS automated distributed control system for hydroxypropyl methylcellulose of claim 1, wherein: front flank top fixed mounting of riser (4) has box mouthful board (30), and one side of box mouthful board (30) installs receiver (29), the internally mounted of receiver (29) has two frame plate (31), two be fixed with fixed axle (32) between frame plate (31), rotate through bearing (36) on fixed axle (32) and install sleeve (34), install clockwork spring (33) between sleeve (34) and fixed axle (32), the outside of sleeve (34) is around having connect strap (35), export (37) have been seted up to the lower surface of receiver (29), the one end and sleeve (34) fixed connection of strap (35), and the other end of strap (35) passes export (37) and DCS controller body (1) fixed connection.

6. The DCS automated distributed control system for hydroxypropyl methylcellulose according to claim 5, wherein: the lower surface of receiver (29) is fixed with two supporting shoe (38), two supporting shoe (38) are located the both sides of export (37) respectively, two all be fixed with two laths (39) on two opposite sides of supporting shoe (38), two rotate between lath (39) and install pivot (40), be fixed with running roller (41) on pivot (40), strap (35) pass the clearance between two running roller (41).

7. The DCS automated distributed control system for hydroxypropyl methylcellulose of claim 1, wherein: the adjusting assembly comprises a ball screw (43) and a synchronous plate (44), the ball screw (43) is rotatably installed on the rear side of the vertical plate (4), the synchronous plate (44) is fixed on a nut of the ball screw (43), the sliding block is fixedly connected with the synchronous plate (44), and a first screwing column (45) is fixed at the bottom of the ball screw (43).

8. The DCS automated distributed control system for hydroxypropyl methylcellulose of claim 1, wherein: spacing groove (51) have been seted up to the leading flank bottom of riser (4), the bottom of DCS controller body (1) is fixed with lug (46), and has screw rod (48) through screw (47) threaded connection on lug (46), the both ends of screw rod (48) are fixed with respectively and twist and move post two (49) and round platform piece (50), and round platform piece (50) and spacing groove (51) are the phase-match setting.

Technical Field

The invention belongs to the technical field of hydroxypropyl methyl cellulose, and particularly relates to a DCS (distributed control system) automatic distributed control system for hydroxypropyl methyl cellulose.

Background

Hydroxypropyl methylcellulose is also called hydroxypropyl methylcellulose, belongs to one of nonionic cellulose mixed ethers, is a semi-synthetic, inactive and viscoelastic polymer, is usually used as a lubricant in ophthalmology or used as an auxiliary material or an excipient in oral medicaments, is used as a thickener, a dispersant, an adhesive, an excipient, an oil-resistant coating, a filler, an emulsifier and a stabilizer in textile industry, is widely applied to industries such as synthetic resin, petrochemical industry, ceramics, papermaking, leather, medicine, food, cosmetics and the like, has important practical significance, is a DCS also called a dispersion control system, is based on a microprocessor, adopts a basic design idea of controlling dispersion, operation and management concentration, adopts a structural form of multilayer grading and autonomous cooperation, and is mainly characterized by centralized management and dispersion control, at present, DCS is widely applied to various industries such as electric power, metallurgy, petrifaction and the like, and is also applied to the production process of hydroxypropyl methyl cellulose.

The protection performance of the existing DCS controller is poor, a plurality of interfaces arranged on the existing DCS controller cannot be used simultaneously, and a part of the interfaces can be in an idle state for a long time.

Disclosure of Invention

The invention aims to provide a DCS automatic distributed control system for hydroxypropyl methyl cellulose, which solves the problems that the existing DCS controller is poor in protection performance, a plurality of interfaces arranged on the DCS controller cannot be used simultaneously, and a part of the interfaces can be in an idle state for a long time, and in the process, the idle interfaces are easy to enter impurities such as dust or insects, so that the actual service life of the DCS controller is adversely affected.

In order to achieve the purpose, the invention provides the following technical scheme: a DCS automatic distributed control system for hydroxypropyl methyl cellulose comprises a DCS controller body and an interface positioned on the DCS controller body, wherein a sealing plate is rotatably arranged at an opening of the interface through a connecting component, a sealing gasket is fixed on one side surface of the sealing plate close to the DCS controller body, a plurality of clamping bulges are arranged on the side surface of the sealing gasket, one side surface of the sealing plate close to the DCS controller body is provided with clamping grooves which are equal to and matched with the clamping bulges in number, the back side surface of the DCS controller body is detachably provided with a back plate through a plurality of clamping components, and the back side of the back plate is provided with a vertical plate, the vertical plate is provided with two sliding grooves, the back side of the back plate is fixed with two sliding blocks, the two sliding blocks are respectively arranged in the two sliding grooves in a sliding way, the rear side of riser is provided with the adjusting part who is used for adjusting DCS controller body position.

By adopting the scheme, the rotatable sealing plate is matched with the sealing gasket, so that the vacant interface can be sealed, impurities such as dust and the like are prevented from entering the vacant interface, the service life of the DCS controller body is prolonged, the sealing plate is convenient to open, and the DCS controller is simple in structure, convenient to operate and high in practicability; the clamping groove and the clamping bulge are arranged, so that the connection strength of the sealing gasket and the sealing plate is improved.

As a preferred embodiment, coupling assembling includes compressing tightly piece, round bar and two connecting plates, the round bar is fixed in the one end of two connecting plates, two the other end of connecting plate all with seal board fixed connection, compressing tightly the piece and including interior recess and two fixed parts, the fixed part is fixed on the DCS controller body, the round bar runs through the clearance that forms between interior recess and the DCS controller body.

Adopt above-mentioned scheme, through setting up coupling assembling, utilize the compact heap to compress tightly the round bar on the DCS controller body to this increase round bar and the DCS controller frictional force between the body, thereby for the rotation that seals the board provides damping force, make it hover in the optional position, make things convenient for people to operate and seal the board.

As a preferred embodiment, the joint subassembly is including inserting post, spliced pole and a plurality of spring leaf, the toper blind hole has been seted up to a side of backplate, and the another side of backplate has seted up through-hole one, the toper blind hole is linked together with through-hole one, insert post and DCS controller body fixed connection, spliced pole and backplate fixed connection, through-hole two has been seted up to the one end of spliced pole, and the other end of spliced pole has seted up the draw-in groove, through-hole two is linked together with the draw-in groove, insert the post pass the toper blind hole extend to through-hole two inside and with a plurality of spring leaf fixed connection in the lump with the through-hole, the one end that the post was kept away from to insert to the spring leaf is fixed with the fixture block.

Adopt above-mentioned scheme, through setting up the joint subassembly, utilize the spring leaf to compress tightly the fixture block in the inside of draw-in groove, realize the joint installation of DCS controller body and backplate, made things convenient for the installation and the dismantlement of DCS controller body, be favorable to the maintenance in later stage, and overall structure is simple, and stability is high, and the practicality is strong.

As a preferred embodiment, it is a plurality of peg graft between the spring leaf has the support column, the one end of support column is fixed with the seal cover, and the seal cover cup joints on the spliced pole, the other end of support column is fixed with the connector, and the one end of connector sets up fluted one, the inside of recess one is fixed with magnet piece one, the one end of inserting the post and being close to the spring leaf sets up fluted two, and the inside of recess two is fixed with magnet piece two, magnet piece two can be inhaled with magnet piece one magnetism and be connected.

By adopting the scheme, the supporting columns are arranged to support the spring pieces, and the magnet block II is matched with the magnet to be connected with the magnet block I in a magnetic mode, so that the clamping block can be stably clamped in the clamping groove, the clamping block is prevented from accidentally withdrawing from the clamping groove, and the stability of the structure is further improved; the sealing sleeve can prevent the fixture block from being directly exposed in the air.

As a preferred embodiment, there is the box mouthful board at the leading flank top fixed mounting of riser, and one side of box mouthful board installs the receiver, the internally mounted of receiver has two frame plates, two be fixed with the fixed axle between the frame plate, install the sleeve through the bearing rotation on the fixed axle, install the clockwork spring between sleeve and the fixed axle, telescopic outside round joint has the strap, the export has been seted up to the lower surface of receiver, the one end and the sleeve fixed connection of strap, and the other end of strap passes export and DCS controller body fixed connection.

By adopting the scheme, the cloth belt is arranged, and the function of self-tightening of the spring is utilized, so that the DCS controller body can be automatically moved to the highest position of the vertical plate by utilizing the action of the spring after people pull down the DCS controller body, the DCS controller body is prevented from being artificially damaged when being positioned at a low position for a long time, and the DCS controller body is protected; box mouth board and receiver are used for protecting the strap.

As a preferred embodiment, two supporting blocks are fixed on the lower surface of the storage box, the two supporting blocks are respectively located at two sides of the outlet, two laths are fixed on two opposite side surfaces of the two supporting blocks, a rotating shaft is rotatably installed between the two laths, a roller is fixed on the rotating shaft, and the cloth belt penetrates through a gap between the two rollers.

Adopt above-mentioned scheme, through the rotatable running roller of installation on the supporting shoe, can avoid the direct contact between strap and the export internal surface to reduce the wearing and tearing of strap, prolonged the life of strap.

In a preferred embodiment, the adjusting assembly includes a ball screw rotatably mounted on the rear side of the vertical plate, and a synchronizing plate fixed to a nut of the ball screw, the slider is fixedly connected to the synchronizing plate, and a first screwing column is fixed to the bottom of the ball screw.

Adopt above-mentioned scheme, through setting up adjusting part, it is rotatory to rotate to twist and move the post and drive ball screw, can utilize synchronous board to pull down DCS controller body from the highest position department of riser, makes things convenient for the staff to overhaul it and maintain, and easy operation is favorable to actual use.

As a preferred embodiment, a limiting groove is formed in the bottom of the front side face of the vertical plate, a protruding block is fixed to the bottom of the DCS controller body, a screw is connected to the protruding block through a screw hole in a threaded mode, a screwing column II and a circular truncated cone block are fixed to two ends of the screw respectively, and the circular truncated cone block and the limiting groove are arranged in a matched mode.

Adopt above-mentioned scheme, through setting up the screw rod, rotate whether the screw rod control spacing groove gets into the spacing groove, just can fix the position of DCS controller body, avoided the DCS controller body to take place because of the effect of clockwork spring condition of sliding up again.

The invention has the beneficial effects that:

according to the DCS automatic distributed control system for the hydroxypropyl methyl cellulose, the rotatable sealing plate is matched with the sealing gasket, so that a vacant interface can be blocked, impurities such as dust and the like are prevented from entering the inside of the vacant interface, the service life of the DCS controller body is prolonged, the sealing plate is convenient to open, and the DCS automatic distributed control system is simple in structure, convenient to operate and high in practicability;

according to the DCS automatic distributed control system for the hydroxypropyl methyl cellulose, the connecting assembly is arranged, the round rod is tightly pressed on the DCS controller body through the pressing piece, so that the friction force between the round rod and the DCS controller body is increased, the damping force is provided for the rotation of the sealing plate, the sealing plate can be suspended at any position, and people can conveniently operate the sealing plate;

according to the DCS automatic distributed control system for the hydroxypropyl methyl cellulose, the clamping assembly is arranged, the spring piece is used for tightly pressing the clamping block in the clamping groove, clamping installation of the DCS controller body and the back plate is achieved, installation and disassembly of the DCS controller body are facilitated, later-period maintenance is facilitated, the overall structure is simple, stability is high, and practicability is high;

according to the DCS automatic distributed control system for the hydroxypropyl methyl cellulose, the supporting columns are arranged to support the plurality of spring pieces, and the magnet blocks II are matched with the magnet of the magnet blocks I to be connected, so that the clamping blocks can be stably clamped in the clamping grooves, the clamping blocks are prevented from accidentally withdrawing from the clamping grooves, and the stability of the structure is further improved;

according to the DCS automatic distributed control system for the hydroxypropyl methyl cellulose, the cloth belts are arranged, and the function of self-tightening of the spiral springs is utilized, so that the DCS controller body can be automatically moved to the highest position of the vertical plate under the action of the spiral springs after people pull down the DCS controller body, the DCS controller body is prevented from being manually damaged when being located at a low position for a long time, and the DCS controller body is protected; box mouth board and receiver are used for protecting the strap.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional partial view of the DCS controller body of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 4 is a cross-sectional view of a bump according to the present invention;

FIG. 5 is a cross-sectional view of the connecting stud of the present invention;

FIG. 6 is a top cross-sectional view of the storage case of the present invention;

FIG. 7 is a side sectional view of the storage cassette of the present invention;

FIG. 8 is a cross-sectional view of the roller of the present invention;

fig. 9 is a rear view of a riser of the present invention.

In the figure: 1. a DCS controller body; 2. an interface; 3. a back plate; 4. a vertical plate; 5. a sealing plate; 6. a gasket; 7. a clamping groove; 8. a clamping bulge; 9. a connecting plate; 10. a compression sheet; 11. an inner concave portion; 12. a fixed part; 13. a round bar; 14. a tapered blind hole; 15. a first through hole; 16. inserting a column; 17. connecting columns; 18. a second through hole; 19. a card slot; 20. a spring plate; 21. a clamping block; 22. a support pillar; 23. sealing sleeves; 24. a connector; 25. a first groove; 26. a first magnet block; 27. a second groove; 28. a second magnet block; 29. a storage box; 30. a box opening plate; 31. a frame plate; 32. a fixed shaft; 33. a clockwork spring; 34. a sleeve; 35. a cloth belt; 36. a bearing; 37. an outlet; 38. a support block; 39. laths; 40. a rotating shaft; 41. a roller; 42. a chute; 43. a ball screw; 44. a synchronization board; 45. screwing the first column; 46. a bump; 47. a screw hole; 48. a screw; 49. screwing the second column; 50. a round table block; 51. a limiting groove.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1-9, the invention provides a DCS automatic distributed control system for hydroxypropyl methylcellulose, comprising a DCS controller body 1 and an interface 2 located on the DCS controller body 1, wherein a sealing plate 5 is rotatably mounted at an opening of the interface 2 through a connecting assembly, a sealing gasket 6 is fixed on one side of the sealing plate 5 close to the DCS controller body 1, a plurality of clamping protrusions 8 are arranged on a side of the sealing gasket 6, clamping grooves 7 equal in number and matched with the clamping protrusions 8 are formed on one side of the sealing plate 5 close to the DCS controller body 1, a back plate 3 is detachably mounted on a rear side of the DCS controller body 1 through a plurality of clamping assemblies, a vertical plate 4 is arranged on the rear side of the back plate 3, two sliding grooves 42 are formed on the vertical plate 4, two sliding blocks are fixed on the rear side of the back plate 3, and are respectively slidably mounted inside the two sliding grooves 42, the rear side of the vertical plate 4 is provided with an adjusting component for adjusting the position of the DCS controller body 1; by arranging the rotatable sealing plate 5 and matching with the sealing gasket 6, the vacant interface 2 can be plugged, impurities such as dust and the like are prevented from entering the vacant interface, the service life of the DCS controller body 1 is prolonged, the sealing plate 5 is convenient to open, and the DCS controller is simple in structure, convenient to operate and high in practicability; the arrangement of the clamping groove 7 and the clamping bulge 8 improves the connection strength of the sealing gasket 6 and the sealing plate 5.

The connecting assembly comprises a pressing piece 10, a round rod 13 and two connecting plates 9, the round rod 13 is fixed at one end of each of the two connecting plates 9, the other end of each of the two connecting plates 9 is fixedly connected with the sealing plate 5, the pressing piece 10 comprises an inner concave part 11 and two fixing parts 12, the fixing parts 12 are fixed on the DCS controller body 1, and the round rod 13 penetrates through a gap formed between the inner concave part 11 and the DCS controller body 1; through setting up coupling assembling, utilize compressing tightly piece 10 to compress tightly round bar 13 on DCS controller body 1 to this increase round bar 13 and DCS controller body 1 between the frictional force, thereby for the rotation that seals board 5 provides the damping force, make it hover in the optional position, make things convenient for people to operate and seal board 5.

The clamping assembly comprises an inserting column 16, a connecting column 17 and a plurality of spring pieces 20, one side face of the back plate 3 is provided with a conical blind hole 14, the other side face of the back plate 3 is provided with a first through hole 15, the conical blind hole 14 is communicated with the first through hole 15, the inserting column 16 is fixedly connected with the DCS controller body 1, the connecting column 17 is fixedly connected with the back plate 3, one end of the connecting column 17 is provided with a second through hole 18, the other end of the connecting column 17 is provided with a clamping groove 19, the second through hole 18 is communicated with the clamping groove 19, the inserting column 16 penetrates through the conical blind hole 14 and the first through hole 15, extends into the second through hole 18 and is fixedly connected with the spring pieces 20, and one end, far away from the inserting column 16, of each spring piece 20 is fixedly provided with a clamping block 21; through setting up the joint subassembly, utilize spring leaf 20 to compress tightly fixture block 21 in the inside of draw-in groove 19, realize the joint installation of DCS controller body 1 and backplate 3, made things convenient for the installation and the dismantlement of DCS controller body 1, be favorable to the maintenance in later stage, and overall structure is simple, and stability is high, and the practicality is strong.

A supporting column 22 is inserted among the spring pieces 20, a sealing sleeve 23 is fixed at one end of the supporting column 22, the sealing sleeve 23 is sleeved on the connecting column 17, a connector 24 is fixed at the other end of the supporting column 22, a first groove 25 is formed in one end of the connector 24, a first magnet block 26 is fixed inside the first groove 25, a second groove 27 is formed in one end of the inserting column 16 close to the spring pieces 20, a second magnet block 28 is fixed inside the second groove 27, and the second magnet block 28 can be magnetically connected with the first magnet block 26; the supporting columns 22 are arranged to support the spring pieces 20, and the magnet block II 28 is matched with the magnetic attraction connection of the magnet block I26, so that the fixture block 21 can be stably clamped in the clamping groove 19, the situation that the fixture block 21 accidentally withdraws from the clamping groove 19 is avoided, and the stability of the structure is further improved; the seal sleeve 23 can prevent the fixture block 21 from being directly exposed to air.

A box opening plate 30 is fixedly mounted at the top of the front side face of the vertical plate 4, a storage box 29 is mounted on one side of the box opening plate 30, two frame plates 31 are mounted inside the storage box 29, a fixing shaft 32 is fixed between the two frame plates 31, a sleeve 34 is rotatably mounted on the fixing shaft 32 through a bearing 36, a clockwork spring 33 is mounted between the sleeve 34 and the fixing shaft 32, a cloth belt 35 is wound on the outer side of the sleeve 34, an outlet 37 is formed in the lower surface of the storage box 29, one end of the cloth belt 35 is fixedly connected with the sleeve 34, and the other end of the cloth belt 35 penetrates through the outlet 37 to be fixedly connected with the DCS controller body 1; by arranging the cloth belt 35 and utilizing the self-tightening function of the spring 33, the DCS controller body 1 can be automatically moved to the highest position of the vertical plate 4 by utilizing the action of the spring 33 after people pull down the DCS controller body 1, so that the DCS controller body 1 is prevented from being artificially damaged when being positioned at a low position for a long time, and the DCS controller body 1 is protected; the box opening plate 30 and the storage box 29 are used for protecting the cloth tape 35.

Two supporting blocks 38 are fixed on the lower surface of the storage box 29, the two supporting blocks 38 are respectively positioned on two sides of the outlet 37, two laths 39 are fixed on two opposite side surfaces of the two supporting blocks 38, a rotating shaft 40 is rotatably installed between the two laths 39, rollers 41 are fixed on the rotating shaft 40, and the cloth belt 35 passes through a gap between the two rollers 41; by installing the rotatable roller 41 on the supporting block 38, direct contact between the inner surfaces of the cloth belt 35 and the outlet 37 can be avoided, so that abrasion of the cloth belt 35 is reduced, and the service life of the cloth belt 35 is prolonged.

The adjusting component comprises a ball screw 43 and a synchronous plate 44, the ball screw 43 is rotatably mounted on the rear side of the vertical plate 4, the synchronous plate 44 is fixed on a nut of the ball screw 43, the sliding block is fixedly connected with the synchronous plate 44, and a first screwing column 45 is fixed at the bottom of the ball screw 43; through setting up adjusting part, it is rotatory to rotate to twist and move a 45 drive ball 43 of post, can utilize synchronous board 44 to pull DCS controller body 1 down from riser 4's highest position department, makes things convenient for the staff to overhaul it and maintain, and easy operation is favorable to actual use.

A limiting groove 51 is formed in the bottom of the front side face of the vertical plate 4, a protruding block 46 is fixed at the bottom of the DCS controller body 1, a screw 48 is connected to the protruding block 46 through a screw hole 47 in a threaded mode, a screwing column II 49 and a circular table block 50 are fixed at two ends of the screw 48 respectively, and the circular table block 50 is matched with the limiting groove 51; through setting up screw 48, rotate screw 48 and control spacing groove 51 and get into spacing groove 51 whether, just can fix the position of DCS controller body 1, avoided DCS controller body 1 to take place because of the condition of the effect of clockwork spring 33 is slided up again.

When the DCS controller is used, the vertical plate 4 is firstly installed at a designated position to avoid the position change of the vertical plate 4, then the DCS controller body 1 is installed on the back plate 3, specifically, the DCS controller body 1 is moved to enable the inserting columns 16 to penetrate through the conical blind holes 14 and the through holes 15 and extend to the insides of the through holes 18, the clamping blocks 21 are clamped in the clamping grooves 19 under the action of the spring pieces 20, then the supporting columns 22 are moved to enable the supporting columns 22 to be inserted among the spring pieces 20, the magnet pieces 28 and the magnet pieces 26 can be controlled to be connected together in a magnetic attraction mode, the installation of the DCS controller body 1 is completed, when the DCS controller body 1 is required to be connected with an external cable, firstly, the proper interface 2 is selected on the DCS controller body 1 according to the action of the actual cable, then the sealing plate 5 sheltered at the position of the interface 2 is opened, and the interface 2 can be used after being completely exposed, in DCS controller body 1 in-service use process, DCS controller body 1 is in the highest position department of riser 4, overhaul or when maintaining it when needs, utilize to twist and move a 45 rotation ball screws 43 of post, can drive DCS controller body 1 along the spout 42 gliding on riser 4, treat that it is in the lowest position after, rotate screw rod 48, promote the inside that spacing groove 51 was pegged graft to round platform piece 50, the realization is fixed to DCS controller body 1 position, can operate it.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.