CN116789019A

CN116789019A - Steam curing system

Info

Publication number: CN116789019A
Application number: CN202111205532.5A
Authority: CN
Inventors: 王培�; 崔好林; 王东利; 陈晓鹏; 全萍; 崔雷; 宋天淼; 王立明; 赵贵珠; 王建强; 张哲�; 王言翰; 刘宝坤
Original assignee: China Railway Ninth Bureau Group No3 Construction Co ltd; China Railway No 9 Group Co Ltd
Current assignee: China Railway Ninth Bureau Group No3 Construction Co ltd; China Railway No 9 Group Co Ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2023-09-22

Abstract

The application provides a steam curing system, comprising: the track plate trolley is provided with a track plate and a track plate die; a continuous kiln outlet; a track slab transport device; the trolley translation device comprises a power device, a chain and a pushing piece, the extending direction of the chain is the same as that of the steam curing channel, and the power device is used for driving the chain to move from a first end to a second end in the steam curing channel; the pushing piece is fixed on the chain and is used for being matched with the rail plate trolley in a blocking mode, so that the rail plate trolley is driven to move towards the second end when the chain moves from the first end to the second end. The steam curing system completes automatic feeding and discharging of the track plate with the mould to the steam curing station, reduces the labor intensity of workers, improves the quality and production efficiency of the track plate, and reduces the scalding probability of the workers.

Description

Steam curing system

Technical Field

The application relates to the technical field of steam curing, in particular to a steam curing system.

Background

Along with the continuous rapid development of high-speed railways in China, the demand for high-quality track slabs is increasing, and the higher demands are put on the quality and the production efficiency of the track slabs. In actual production, the production cycle of the track plate is shortened mainly by carrying out steam curing on the track plate, and the concrete operation is that the track plate is directly placed in a steam curing station filled with steam, so that the concrete solidification speed is accelerated, the newly poured track plate can meet the requirements of engineering use in a short time, and the production period of the track plate is greatly shortened.

Therefore, steam curing is a key for ensuring the quality of the track plate and improving the production efficiency. The existing steam curing process of the track slab at least comprises a pre-curing process, a heating process, a heat preservation process and a cooling process, wherein the requirements of each process on temperature are different, and the temperatures in the steam curing stations are different by arranging a plurality of steam curing stations in a continuous kiln mouth so as to match each process in the steam curing process. When the track board moves between each steam curing station, the track board needs to be manually carried, the labor intensity of workers is high, scalding is easy to occur, manual operation of the workers cannot be guaranteed due to timeliness and uniformity, and the quality and the production efficiency of the track board are easy to influence.

Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.

Disclosure of Invention

The present application aims to provide a steam curing system which solves or alleviates the above-mentioned problems of the prior art.

In order to achieve the above object, the present application provides the following technical solutions: a steam curing system, comprising:

the track plate trolley is provided with a track plate and a track plate die;

the continuous kiln comprises a continuous kiln mouth, wherein the continuous kiln mouth is vertically provided with at least two layers of steam curing channels, a first end and a second end are arranged in the extending direction of the steam curing channels, a plurality of steam curing stations are arranged between the first end and the second end, a trolley translation device is arranged in the steam curing channels, and the trolley translation device can drive the track slab trolley to move in the extending direction of the steam curing channels;

The track plate conveying devices are provided with at least two track plate conveying devices which are respectively arranged at two ends of the continuous kiln mouth, one track plate conveying device is used for conveying the track plate trolley to the first end of the steam curing channel, and the other track plate conveying device is used for receiving the track plate trolley output from the second end of the steam curing channel;

the trolley translation device comprises a power device, a chain and a pushing piece, wherein the extending direction of the chain is the same as that of the steam curing channel, and the power device is used for driving the chain to move from the first end to the second end in the steam curing channel; the pushing piece is fixed on the chain and is used for being matched with the track slab trolley in a blocking mode, so that the track slab trolley is driven to move towards the second end when the chain moves from the first end to the second end.

Further, the power device can rotate reversely, and the chain is driven to move from the second end to the first end in the steam curing channel when the power device rotates reversely.

Further, the track plate trolley is provided with a protruding block protruding downwards, and the protruding block is used for being in stop fit with the pushing piece;

The pushing block comprises a heavy arm and a light arm, the heavy arm and the light arm are integrally formed or connected at a joint to form a V-shaped piece, a hinge shaft is arranged at the joint, the pushing block is hinged on the chain through the hinge shaft, when the pushing block only receives gravity and acting force of the chain and the hinge shaft, the heavy arm is attached to the chain, and the light arm extends obliquely upwards;

when the chain moves from the first end to the second end in the steam curing channel, the light arm is in stop fit with the contacted lug so as to drive the track slab trolley to move;

when the chain moves from the second end to the first end in the steam curing channel, the protruding block pushes the contacted pushing block to swing around the hinge shaft, so that the pushing block avoids interference of the protruding block on a moving path.

Further, the chain is provided with rollers which are used for rolling fit with the bottom wall of the steam curing channel;

at least a portion of the wheel axle of the roller forms the hinge axis.

Further, the track plate transporting device includes:

the device comprises a support frame, wherein a movable motor is arranged on the support frame, a travelling wheel is fixed at the output end of the movable motor through a speed reducer, and the travelling wheel is supported at the edge of a continuous kiln port and is used for driving a track plate conveying device to move in the continuous kiln port;

The vertical guide frame is fixed on the support frame and provided with guide rails extending along the up-down direction, two guide rails which are oppositely arranged are a group, and the number of the guide rails is at least one group;

the lifting frame is provided with a guide rail adapting structure which is matched with the guide rail to guide the lifting movement of the lifting frame;

the lifting driving device is used for driving the lifting frame to do lifting movement;

the clamping arms are hinged to the lifting frame through hinge shafts, and inserting rods and tray tracks are arranged on the clamping arms;

the clamping arm driving assembly is used for driving the clamping arms to swing around the hinge shaft so as to clamp or unclamp the clamping arms;

the tray is provided with the inserted bar inserting hole, the inserted bar is inserted into the inserted bar inserting hole when the clamping arm is clamped, the inserted bar is separated from the inserted bar inserting hole when the clamping arm is loosened, and the tray is provided with the trolley track;

The track slab trolley is used for supporting the track slab and is supported on the trolley track.

Further, the lifting driving device includes:

the two steel wire rope fixing frames are fixed on the supporting frame;

the two ends of the steel wire rope are respectively fixed on the two steel wire rope fixing frames;

a drum around which a portion of the wire rope is wound;

the winding machine is connected with the winding drum through a winding speed reducer so as to drive the winding drum to rotate;

the fixed pulley block is arranged on the supporting frame, the steel wire ropes on two sides of the winding drum are provided with the fixed pulley block, and the fixed pulley block is in rolling fit with the steel wire ropes;

the movable pulley block is arranged on the lifting frame and is positioned right below the fixed pulley block, and the movable pulley block is in rolling fit with the steel wire rope;

the two steel wire rope fixing frames are fixed on the side beams of the support frame, which are positioned on one side of the winding drum, and two balance pulley blocks are fixed on the side beams of the other side of the winding drum, and the positions of the two balance pulley blocks correspond to the positions of the two steel wire rope fixing frames;

The wire rope divide into first section, second section and third section in proper order along length direction, first section wire rope follow one wire rope mount extends to corresponding balancing pulley group, the second section wire rope follow one balancing pulley extends to another balancing pulley group, the third section wire rope follow another wire rope mount extends to corresponding balancing pulley group, first section wire rope and third section wire rope all have a part winding to be in on the reel.

Further, the track plate conveying device also comprises a positioning assembly, wherein the positioning assembly comprises a two-layer positioning adapting structure, a three-layer positioning adapting structure, a limiting telescopic cylinder and a positioning pin;

the two-layer positioning adapting structure and the three-layer positioning adapting structure are both fixed on the vertical guide frame, the position of the two-layer positioning adapting structure corresponds to the position of a second-layer steam curing station in the continuous kiln outlet, and the position of the three-layer positioning adapting structure corresponds to the position of a third-layer steam curing station in the continuous kiln outlet;

the cylinder body of the limiting telescopic cylinder is fixed on the lifting frame, the positioning pin is fixed at the output end of the limiting telescopic cylinder, when the limiting telescopic cylinder is output in place, the positioning pin is overlapped with at least one part of the two-layer positioning adaptive structure and the three-layer positioning adaptive structure in the up-down direction, and the positioning assembly limits the lifting frame in the vertical downward direction;

When the output end of the limiting telescopic cylinder is reset, the locating pin, the two-layer locating adaptation structure and the three-layer locating adaptation structure are not overlapped in the up-down direction, and the locating component releases the limit of the lifting frame.

Further, the number of the guide rails is two, the end faces of the two groups of guide rails are respectively positioned at four corners of a virtual quadrangle, guide grooves are formed in the guide rails, the guide grooves are V-shaped grooves, and the openings of the guide grooves of one group of guide rails are opposite;

the guide rail adapting structure comprises a guide wheel and a guide plate, wherein the guide wheel is provided with a guide annular surface, and the cross section of the guide annular surface is V-shaped;

the guide plate is provided with a guide surface, and the guide surface is a V-shaped surface;

the guide plates and the guide wheels are respectively provided with two guide plates which are respectively matched with two guide rails positioned on a diagonal line of the virtual quadrangle, and the two guide wheels are respectively matched with the other two guide rails; the clamping arm is provided with a sliding groove, a sliding block is arranged in the sliding groove, and the inserting rod is fixed on the sliding block;

the track slab conveying device further comprises a sliding block telescopic cylinder, a cylinder body of the sliding block telescopic cylinder is fixed on the clamping arm, the sliding block is fixed at the output end of the sliding block telescopic cylinder, and when the sliding block telescopic cylinder is output in place, the trolley track is in butt joint with a steel rail of the steam curing station and is consistent in height.

Further, the clamping arm driving assembly comprises a clamping arm telescopic cylinder and two groups of plane four-bar mechanisms;

the cylinder body of the clamping arm telescopic cylinder and the plane four-bar mechanism are arranged on the lifting frame, the output ends of the clamping arm telescopic cylinder are in transmission connection with the input ends of the cranks of the two groups of plane four-bar mechanisms, and the output ends of the rockers of the two groups of plane four-bar mechanisms are respectively hinged with the two clamping arms; the output end of the arm clamping telescopic cylinder is in transmission connection with the input end of the crank of the plane four-bar mechanism through a pushing arm and a torsion shaft, the output end of the arm clamping telescopic cylinder is hinged with one end of the pushing arm, the other end of the pushing arm is fixedly connected with one end of the torsion shaft, and the other end of the torsion shaft is fixedly connected with the input end of the crank of the plane four-bar mechanism.

Further, the track slab transporting device further comprises a controller;

the two inserted bars are respectively provided with an inserted bar displacement sensor, and the inserted bar displacement sensors transmit inserted bar position signals to the controller;

the sliding block telescopic cylinder is provided with an electric control valve, the electric control valve controls the flow of thrust medium input into the sliding block telescopic cylinder, and the controller controls the opening of the electric control valve; the support frame is provided with a positioning telescopic cylinder, the output end of the positioning telescopic cylinder stretches along the up-down direction, and the output end of the positioning telescopic cylinder is fixed with a bolt;

When the positioning telescopic cylinder is output in place, the bolt is inserted into a steam curing station positioning hole arranged on the edge of the continuous kiln outlet;

when the output end of the positioning telescopic cylinder is reset, the bolt is separated from the positioning hole of the steam curing station.

Compared with the closest prior art, the technical scheme of the embodiment of the application has the following beneficial effects:

1) In the continuous kiln mouth of the automatic production line, the steam curing stations of the first row, the second row, the third row and the fourth row and the steam curing stations of the second layer and the third layer are completed by the steam curing system, so that the labor intensity of workers is reduced, the quality and the production efficiency of the rail plates are improved, and the probability of scalding of the workers is reduced.

2) The lifting driving device adopts a wire rope fixing frame, a wire rope, a winding drum, a winding engine, a fixed pulley block and a movable pulley block, and has the advantages of simple structure, stable lifting and mature technology.

3) The first section and the third section of steel wire ropes can be balanced through the balance pulley block, and one steel wire rope is provided with four groups of movable pulley blocks, so that the lifting stability of the lifting frame can be further ensured.

4) Compared with the position of the lifting frame limited only by the braking of the winch, the position of the lifting frame limited by the positioning component is more accurate, and the height consistency of the trolley track and the steel rail of the steam curing station can be accurately ensured.

5) The guide plate and the guide wheel are matched with the guide rail together, so that the lifting frame can be well ensured to reliably lift up and down in a directional manner, and no horizontal deviation exists.

6) The tray can move horizontally, and when the sliding block telescopic cylinder moves up and down on the lifting frame after being reset, the structure such as the vertical guide frame is prevented from interfering with the tray.

7) The four-bar mechanism is used for driving between the clamping arm and the telescopic oil cylinder of the clamping arm, and the four-bar mechanism has the advantages of simple structure, light weight, reliable driving and mature technology.

8) The pushing arm and the torsion shaft are used for transmission between the four-bar mechanism and the clamping arm telescopic oil cylinder, and the clamping arm telescopic oil cylinder can be arranged in the middle of the lifting frame, so that interference with the structure of the edge of the lifting frame is avoided.

9) The plunger displacement sensor, the controller and the electric control valve can ensure the synchronization of the displacements of the two plungers.

10 For the position of limiting the support frame only by virtue of the braking of the mobile motor, the position of limiting the support frame by positioning the telescopic cylinder and the bolt is more accurate, and the position consistency of the support frame and the steam curing station can be accurately ensured.

11 The power device can rotate reversely, and the reset of the chain can be realized relatively simply.

12 The structure and the connection mode of the pushing piece can avoid interference between the pushing piece and the convex block in the chain resetting process, and the structure is simple and convenient to process and manufacture.

13 The hinge shaft is formed by a part of wheel shafts, the original structure of the roller is utilized by the hinge shaft, the processing and the manufacturing are convenient, and the cost is saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. Wherein:

FIG. 1 is a front view of a track slab transport apparatus;

FIG. 2 is a top view of the track slab transport apparatus;

FIG. 3 is a left side view of the track slab transport apparatus;

FIG. 4 is a cross-sectional view of the track slab transport device A-A;

FIG. 5 is a cross-sectional view of a track slab transport device C-C;

FIG. 6 is a cross-sectional view of the track slab transport device C-C (swing arm open);

FIG. 7 is a cross-sectional view of a track slab transport device B-B;

FIG. 8 is a front view of the track slab transport apparatus raised to a 2-level condition;

FIG. 9 is a left side view of the track slab transport apparatus raised to a 2-level condition;

FIG. 10 is a precise positioning map of a track slab transport device and a trolley receiving station;

FIG. 11 is a state of use of the steam curing system;

FIG. 12 is a left side view of FIG. 11;

FIG. 13 is a schematic view illustrating the cooperation between the pushing block and the bump in FIG. 11.

Reference numerals illustrate:

1. a main frame body; 2. a walking wheel mounting frame; 3. a vertical guide frame; 4. a lifting frame; 5. track plate trolley; 6. a clamp arm; 7. a roller; 8. a wire rope; 9. a moving motor; 10. a walking wheel; 11. a steel wire rope fixing frame; 12. a fixed pulley block; 13. a hoisting speed reducer; 14. a balance pulley block; 15. a hoist; 16. a reel; 17. a rod; 18. a sliding block telescopic cylinder; 19. a chute; 20. limiting a telescopic cylinder; 21. a positioning pin; 22. two layers of positioning screws; 23. three layers of positioning screws; 24. a guide rail; 25. a guide wheel; 26. a guide plate; 27. a slide block; 28. a push rod; 29. a torsion arm; 30. pushing arms; 31. a clamping arm telescopic cylinder; 32. a torsion shaft; 33. a movable pulley block; 34. a tray; 35. a plunger displacement sensor; 36. a trolley track; 37. a plug pin; 38. steam curing station locating holes; 39. positioning a telescopic cylinder; 40. a track plate mold; 41. a continuous kiln outlet; 42. a steam curing channel; 43. a power device; 44. a chain; 45. a bump; 46. a light arm; 47. a heavy arm; 48. and a hinge shaft.

Detailed Description

The application will be described in detail below with reference to the drawings in connection with embodiments. The examples are provided by way of explanation of the application and not limitation of the application. Indeed, it will be apparent to those skilled in the art that modifications and variations can be made in the present application without departing from the scope or spirit of the application. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment. Accordingly, it is intended that the present application encompass such modifications and variations as fall within the scope of the appended claims and their equivalents.

In the description of the present application, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present application and do not require that the present application must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. The terms "coupled," "connected," and "configured" as used herein are to be construed broadly and may be, for example, fixedly connected or detachably connected; can be directly connected or indirectly connected through an intermediate component; either a wired electrical connection, a radio connection or a wireless communication signal connection, the specific meaning of which terms will be understood by those of ordinary skill in the art as the case may be.

An embodiment of the present application provides a steam curing system, as shown in fig. 11, 12 and 13, including: track slab trolleys, row kilns 41 and track slab transportation means. The track plate and the track plate mould are arranged on a track plate trolley, and the trolley is provided with a protruding block 45 protruding downwards.

The row kiln ports 41 have at least two layers of steam curing channels 42 (three layers in this embodiment) in the vertical direction, and four steam curing channels 42 in each layer (i.e., four rows of steam curing channels 42). The steam curing tunnel 42 has a first end and a second end extending in a direction with a plurality of steam curing stations therebetween.

The steam curing channel 42 is provided with a trolley translation device, and the trolley translation device can drive the track plate trolley to move in the extending direction of the steam curing channel 42. The trolley translation device comprises a power device 43, a chain 44 and a pushing piece, the extending direction of the chain 44 is the same as that of the steam curing channel 42, and the power device 43 is used for driving the chain 44 to move from a first end to a second end in the steam curing channel 42; the pushing member is fixed on the chain 44 and is used for being in stop fit with the protruding block 45 of the track slab trolley 5 so as to drive the track slab trolley to move towards the second end when the chain 44 moves from the first end to the second end. The power means 43 is capable of reversing, upon which the drive chain 44 is moved from the second end to the first end in the steam curing tunnel 42.

The pushing block comprises a heavy arm 47 and a light arm 46, the heavy arm 47 and the light arm 46 are integrally formed or connected to form a V-shaped piece at a joint, a hinge shaft 48 is arranged at the joint, the pushing block is hinged on the chain 44 through the hinge shaft 48, when the pushing block only receives gravity and acting force of the chain 44 and the hinge shaft 48, the heavy arm 47 is attached to the chain 44, and the light arm 46 extends obliquely upwards. The chain 44 is provided with rollers which are used for rolling fit with the bottom wall of the steam curing channel 42; the axle of at least a portion of the rollers forms a hinge axis 48.

When the chain 44 moves from the first end to the second end in the steam curing tunnel 42, the light arm 46 is in stop engagement with the contacted bump 45 to move the track slab cart 5.

When the chain 44 moves from the second end to the first end in the steam curing channel 42, the protrusion 45 pushes the contacted pushing block to swing around the hinge shaft 48, so that the pushing block avoids interference of the protrusion 45 on the moving path.

The track slab transporting device is provided with at least two track slab transporting devices which are respectively arranged at two ends of the continuous kiln port 41, wherein one track slab transporting device is used for transporting track slab trolleys to the first end of the steam curing channel 42, and the other track slab transporting device is used for receiving the track slab trolleys output from the second end of the steam curing channel 42. As shown in fig. 1, 2, 3 and 4, the track slab transporting device comprises a supporting frame, a vertical guide frame 3, a lifting frame 4, a lifting driving device, a clamping arm 6, a clamping arm driving assembly, a tray 34, a track slab trolley 5, a balance pulley block 14, a positioning assembly, a sliding block telescopic cylinder 18, a controller, a plunger rod displacement sensor 35, a positioning telescopic cylinder 39 and a bolt 37.

The support frame includes body 1 and walking wheel mounting bracket 2, walking wheel mounting bracket 2 is fixed on body 1, be equipped with mobile motor 9 on the walking wheel mounting bracket 2, mobile motor 9's output is fixed with walking wheel 10 through the speed reducer, walking wheel 10 supports the mouth edge at the row kiln mouth for drive track board conveyer and remove in the row kiln mouth, track board conveyer is by mobile motor 9, walking wheel 10 drive on the walking wheel mounting bracket 2, realize the accurate removal at first row, the second row, third row and fourth row steam maintenance station.

The vertical guide frame 3 is fixed on the main frame body 1, and is provided with guide rails 24 extending along the up-down direction, two oppositely arranged guide rails 24 are in one group, the number of the guide rails 24 is two, and the end surfaces of the two groups of guide rails 24 are respectively positioned at four corners of a virtual quadrangle. The guide rails 24 are provided with guide grooves which are V-shaped grooves, and the openings of the guide grooves of one group of guide rails 24 are opposite.

The lifting frame 4 is provided with a guide rail adapting structure, the guide rail adapting structure is matched with the guide rail 24 to guide the lifting motion of the lifting frame 4, and the specific is that: the guide rail adapting structure comprises a guide wheel 25 and a guide plate 26, wherein the guide wheel 25 is provided with a guide annular surface, and the cross section of the guide annular surface is V-shaped. The guide plate 26 has a guide surface which is V-shaped. The guide plates 26 and the guide wheels 25 are two, the two guide plates 26 are respectively matched with the two guide rails 24 on a diagonal line of the virtual quadrangle in a guiding way, and the two guide wheels 25 are respectively matched with the other two guide rails 24 in a guiding way, so that the lifting frame 4 is ensured to lift up and down in a directional way, and no horizontal deviation exists.

As shown in fig. 5, 6 and 7, two oppositely arranged clamp arms 6 are in a group, the number of the clamp arms 6 is at least one group, the clamp arms 6 are hinged on the lifting frame 4 through hinge shafts, and each clamp arm 6 is provided with a plug-in rod 17. The clamping arms 6 correspond to a set of clamping arm driving assemblies, and the clamping arm driving assemblies are used for driving the clamping arms 6 to swing around the hinge shafts so as to clamp or unclamp the clamping arms 6. The arm lock drive assembly includes arm lock telescopic cylinder 31 and two sets of plane four-bar mechanism, and the cylinder body and the plane four-bar mechanism of arm lock telescopic cylinder 31 all set up on crane 4, and push rod 28 and torsion arm 29 form a part of plane four-bar mechanism, and the output of arm lock telescopic cylinder 31 is connected with the input transmission of the crank (torsion arm 29) of two sets of plane four-bar mechanism, and the output of two sets of plane four-bar mechanism articulates with two arm locks 6 respectively, and specifically, the output of arm lock telescopic cylinder 31 is connected with the crank input transmission of plane four-bar mechanism through pushing arm 30, torsion shaft 32: the output end of the arm clamping telescopic cylinder 31 is hinged with one end of the push arm 30, the other end of the push arm 30 is fixedly connected with one end of the torsion shaft 32, and the other end of the torsion shaft 32 is fixedly connected with the input end of a crank of the planar four-bar mechanism. The opening and closing process of the clamping arm 6: the clamping arms 6 arranged on two sides of the lifting frame 4 are driven by the plane four-bar mechanism, the pushing arms 30 and the torsion shafts 32 to be opened and closed in the driving summer of the clamping arm telescopic oil cylinders 31, and the positioning and supporting connection of the track plate trolley 5, the track plate mould 40 and the tray 34 is completed.

The tray 34 is provided with a rod insertion hole into which the rod 17 is inserted when the arm 6 is clamped, and from which the rod 17 is released when the arm 6 is released. The clamping arm 6 is also provided with a sliding groove 19 and a roller 7, a sliding block 27 is arranged in the sliding groove 19, and the inserting rod 17 is fixed on the sliding block 27. The cylinder body of the slide block telescopic cylinder 18 is fixed on the clamping arm 6, the slide block 27 is fixed at the output end of the slide block telescopic cylinder 18, and when the slide block telescopic cylinder 18 is output in place, the trolley track 36 is in butt joint with a steel rail of the steam curing station and has the same height. The roller 7 is in rolling fit with the lower end face of the tray 34, so that the tray 34 can stably and horizontally move under the drive of the inserted link 17, and the stress on the inserted link 17 is relieved. The insertion rod 17 between the clamping arms 6 pushes and withdraws the tray 34: after the inserting rod 17 between the clamping arms 6 is inserted into the inserting rod inserting hole on the tray 34, the tray 34 is driven by the sliding block telescopic cylinder 18 under the guidance of the sliding block 27 and the sliding groove 19, so that the tray 34 rolls on the roller 7 to finish horizontal pushing and withdrawing.

The controller is arranged on the main frame body 1, the two inserted bars 17 are respectively provided with an inserted bar displacement sensor 35, and the inserted bar displacement sensors 35 transmit inserted bar position signals to the controller; the sliding block telescopic cylinder 18 is provided with an electric control valve, the electric control valve controls the flow of thrust medium input into the sliding block telescopic cylinder 18, the controller controls the opening degree of the electric control valve, and the inserted bar displacement sensor 35 ensures the displacement synchronization of inserted bars at two sides. The inserted link 17, the sliding block 27 and the sliding groove 19 complete horizontal pushing of the track slab trolley 5, the track slab mould 40 and the tray 34 through the sliding block telescopic cylinder 18 and are accurately butted with the steel rail of each layer of steam curing station.

The track slab trolley 5 is used for bearing the track slab, the trolley track 36 is arranged on the tray 34, and the track slab trolley 5 is supported on the trolley track 36.

The lifting driving device is used for driving the lifting frame 4 to do lifting movement; the lifting driving device comprises two steel wire rope fixing frames 11, a steel wire rope 8, a winding drum 16, a winding machine 15, a fixed pulley block 12, a movable pulley block 33 and a balancing pulley block 14. The steel wire rope fixing frames 11 are fixed on the supporting frame, the two steel wire rope fixing frames 11 are fixed on the side beams of the main frame body 1, which are positioned on one side of the winding drum 16, the two balance pulley blocks 14 are fixed on the side beams, which are positioned on the other side of the winding drum 16, and the positions of the two balance pulley blocks 14 correspond to the positions of the two steel wire rope fixing frames 11.

Two ends of the steel wire rope 8 are respectively fixed on two steel wire rope fixing frames 11, the steel wire rope 8 is sequentially divided into a first section, a second section and a third section along the length direction, the first section of steel wire rope 8 extends from one steel wire rope fixing frame 11 to a corresponding balance pulley block 14, the second section of steel wire rope 8 extends from one balance pulley to the other balance pulley block 14, the third section of steel wire rope 8 extends from the other steel wire rope fixing frame 11 to the corresponding balance pulley block 14, and a part of the first section of steel wire rope 8 and the third section of steel wire rope 8 are wound on a winding drum 16.

The hoist 15 is connected to the spool 16 through the hoist reducer 13 to drive the spool 16 to rotate. The fixed pulley block 12 is arranged on the supporting frame, the steel wire ropes 8 on two sides of the winding drum 16 are respectively provided with the fixed pulley block 12 (namely, the fixed pulley block 12 has four groups), and the fixed pulley block 12 is in rolling fit with the steel wire ropes 8.

The movable pulley blocks 33 (four groups) are arranged on the lifting frame 4 and respectively positioned right below the fixed pulley blocks 12, and the movable pulley blocks 33 are in rolling fit with the steel wire ropes 8. The steel wire rope fixing frame 11, the fixed pulley block 12 and the balance pulley block 14 are connected with the movable pulley block 33 on the lifting frame 4 through the steel wire rope 8, and are driven by the winch speed reducer 13, the winch 15 and the winding drum 16 to realize lifting, braking, descending and braking.

The positioning assembly comprises a two-layer positioning adapting structure, a three-layer positioning adapting structure, a limiting telescopic cylinder 20 and a positioning pin 21, wherein in the embodiment, the two-layer positioning adapting structure is a two-layer positioning screw 22, and the three-layer positioning adapting structure is a three-layer positioning screw 23. In other embodiments, the two-layer positioning adapting structure and the three-layer positioning adapting structure may also be pin holes formed on the vertical guide frame 3.

The two-layer positioning adapting structure and the three-layer positioning adapting structure are both fixed on the vertical guide frame 3, the position of the two-layer positioning adapting structure corresponds to the position of the second-layer steam curing station in the continuous kiln outlet, and the position of the three-layer positioning adapting structure corresponds to the position of the third-layer steam curing station in the continuous kiln outlet. Two layers of positioning screws 22 and three layers of positioning screws 23 on the vertical guide frame 3 respectively form positioning surfaces on the top surfaces.

The cylinder body of the limiting telescopic cylinder 20 is fixed on the lifting frame 4, the positioning pin 21 is fixed at the output end of the extending limiting telescopic cylinder 20, when the limiting telescopic cylinder 20 is output in place, the positioning pin 21 is overlapped with at least one part of the two-layer positioning adaptive structure and the three-layer positioning adaptive structure in the up-down direction, and the positioning assembly limits the lifting frame 4 in the vertical downward direction; namely, the extended positioning pin 21 is implemented on the positioning surface of the two-layer positioning screw 22 or the positioning surface of the three-layer positioning screw 23 so as to play a limiting role. The locating pin 21 on the lifting frame 4 is extended and retracted through the limiting telescopic cylinder 20, when the lifting frame 4 is lifted to a second layer or a third layer, the corresponding second-layer locating screw 22 and the corresponding third-layer locating screw 23 are used as references, the lifting frame 4 is accurately located in the vertical direction by combining with gravity, and the upper surface of the trolley track 36 is guaranteed to be consistent with the upper surface of a kiln mouth steel rail of the steam curing station.

When the output end of the limiting telescopic cylinder 20 is reset, the retracted positioning pin 21 is separated from the two-layer positioning screw rod 22 or the three-layer positioning screw rod 23, the positioning pin 21, the two-layer positioning adapting structure and the three-layer positioning adapting structure are not overlapped in the up-down direction, and the positioning assembly releases the limit of the lifting frame 4.

As shown in fig. 10, a positioning telescopic cylinder 39 is arranged on a supporting frame, the output end of the positioning telescopic cylinder 39 stretches in the up-down direction, and a bolt 37 is fixed at the output end of the positioning telescopic cylinder 39; when the positioning telescopic cylinder 39 is output in place, the bolt 37 is inserted into a steam curing station positioning hole 38 arranged on the edge of the continuous kiln mouth, so that accurate positioning of the track plate conveying device is realized; upon resetting of positioning telescoping cylinder 39, latch 37 is disengaged from steam curing station positioning hole 38.

The working process of the steam curing system of the application is as follows:

1. the moving motor 9 drives the travelling wheel 10 to drive the track slab conveying device to travel to the side of the first steam curing station, and the positioning telescopic cylinder 39 drives the bolt 37 to be inserted into the steam curing station positioning hole 38 arranged at the hole edge of the continuous kiln mouth, so that accurate positioning is realized.

2. The hoist 15 drives the lifting frame 4 to lift, and the locating pin 21 is retracted, so that the hoist 15 stops when the locating pin 21 is vertically positioned 200 mm below the two layers of locating screws 22, and the clamping arm 6 is driven to open by the clamping arm driving mechanism.

3. The lifting frame 4 descends under the action of gravity until the positioning pin 21 is positioned at 2500 mm below the two-layer positioning screw 22 in the vertical direction, the winch 15 is stopped, the clamping arm driving mechanism drives the clamping arm 6 to be closed, and the track plate trolley 5, the track plate mould 40 and the tray 34 are already supported.

4. The lifting frame 4 is driven by the lifting machine 15 to lift, the lifting machine 15 stops when the locating pin 21 is located 200 mm above the locating surface of the two-layer locating screw 22 in the vertical direction, after the locating pin 21 is driven by the limiting telescopic cylinder 20 to extend out, the lifting frame 4 descends under the action of gravity until the locating pin 21 is attached to the locating surface of the two-layer locating screw 22, the lifting machine 15 stops, and accurate locating of the lifting frame 4 for the two-layer steam curing station is completed, as shown in fig. 9 and 10.

5. The slide block telescopic cylinder 18 pushes the slide block 27 and the inserted link 17 on the slide block 27, and the track slab trolley 5, the track slab die 40 and the tray 34 are pushed by the inserted link 17, so that the trolley track 36 on the tray 34 is in butt joint with the steel rail of the steam curing station and the height is consistent, and the horizontal pushing of the track slab trolley 5, the track slab die 40 and the tray 34 is completed.

6. The track slab trolley 5 is driven to a preset steam curing station by the trolley translation device, and the inserting rod 17 pulls the tray 34 to reset.

7. The hoist 15 drives the lifting frame 4 to lift up until the positioning pin 21 is positioned 200 mm above the positioning surface of the two-layer positioning screw 22 in the vertical direction, and the hoist 15 stops. After the locating pin 21 is retracted, the lifting frame 4 descends under the driving of gravity until the locating pin 21 is located 2500 mm below a locating surface of the two-layer locating screw 22 in the vertical direction, the winch 15 is stopped, and the clamping arm 6 is driven to be opened by the clamping arm driving mechanism. The winch 15 drives the lifting frame 4 to lift for 900 mm and then stops, and the clamping arm driving mechanism drives the clamping arm 6 to be closed.

8. The hoist 15 drives the lifting frame 4 to lift up until the locating pin 21 is located 200 mm below the locating surface of the two-layer locating screw 22 in the vertical direction, the hoist 15 stops, the track plate trolley 5 and the track plate die 40 are lifted up until the working cycle of the two-layer steam curing station is completed. The working cycle of the lifting track plate trolley 5 and the track plate mould 40 for pushing the two-layer steam curing station is the same and will not be repeated.

The steps are working processes of one track plate conveying device in a matching mode, and the steps are working processes of the other track plate conveying device in a matching mode.

9. The moving motor 9 drives the travelling wheel 10 to travel to the side of the first steam curing station, and the positioning telescopic cylinder 39 drives the bolt 37 to be inserted into the steam curing station positioning hole 38 arranged at the hole edge of the continuous kiln mouth, so that accurate positioning is realized.

10. The lifting frame 4 is driven by the winch 15 to lift up to the position, above the locating surface of the two-layer locating screw rod 22, of the locating pin 21 in the vertical direction by 200 mm, the winch 15 is stopped, after the locating pin 21 is driven by the limiting telescopic cylinder 20 to extend out, the lifting frame 4 descends under the action of gravity to the position where the locating pin 21 is attached to the locating surface of the two-layer locating screw rod 22, and the winch 15 is stopped.

11. The slide block telescopic cylinder 18 pushes the slide block 27 and the inserted link 17 on the slide block 27, and the tray 34 and the track slab trolley 5 are pushed through the inserted link 17, so that the trolley track 36 on the tray 34 is in butt joint with the steel rail of the steam curing station and the height is consistent, and the horizontal pushing of the track slab trolley 5 and the tray 34 is completed.

12. The track slab trolley 5 is driven to the tray 34 from the steam curing station by the trolley translation device, and the sliding block telescopic cylinder 18 pulls the tray 34 to reset through the inserted link 17.

13. The hoist 15 drives the lifting frame 4 to lift, until the locating pin 21 is located 200 mm above the locating surface of the two-layer locating screw 22 in the vertical direction, the hoist 15 stops, the lifting frame 4 descends under the drive of gravity after the locating pin 21 retracts, the hoist 15 stops, the clamping arm 6 is opened, the lifting frame 4 lifts 900 mm below the locating surface of the two-layer locating screw 22 in the vertical direction, and the clamping arm 6 is driven to be opened by the clamping arm driving mechanism. The winch 15 drives the lifting frame 4 to lift for 900 mm and then stops, and the clamping arm driving mechanism drives the clamping arm 6 to be closed.

14. The hoist 15 drives the lifting frame 4 to lift up until the positioning pin 21 is positioned 200 mm below the positioning surface of the two-layer positioning screw 22 in the vertical direction, and the hoist 15 stops.

The working cycle of pulling out the two-layer steam curing station by the track plate trolley 5 and the track plate mould 40 is finished, and the working cycle of pulling out the three-layer steam curing station by the track plate trolley 5 and the track plate mould 40 is the same and is not repeated.

15. The power device is reversed, the chain is reset, and the preparation work of the steam curing procedure of the next track plate is finished.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. Steam curing system, its characterized in that includes:

the track plate trolley is provided with a track plate and a track plate die;

2. A steam curing system as in claim 1, wherein the power means is reversible, the reversing driving the chain to move from the second end to the first end in the steam curing tunnel.

3. The steam curing system of claim 2, wherein the track slab trolley is provided with a downward protruding bump for a stop fit with the pusher;

4. A steam curing system as in claim 3, wherein the chain is provided with rollers for rolling engagement with the bottom wall of the steam curing tunnel;

At least a portion of the wheel axle of the roller forms the hinge axis.

5. The steam curing system of claim 1, wherein the track slab transport means includes:

6. A steam curing system as set forth in claim 5, wherein,

the lift driving device includes:

the two steel wire rope fixing frames are fixed on the supporting frame;

a drum around which a portion of the wire rope is wound;

7. The steam curing system of claim 5, wherein the track slab transport device further comprises a positioning assembly comprising a two-layer positioning adapter structure, a three-layer positioning adapter structure, a limiting telescopic cylinder, and a positioning pin;

8. The steam curing system of claim 5, wherein the number of the guide rails is two, the end surfaces of the two guide rails are respectively positioned at four corners of a virtual quadrangle, the guide rails are provided with guide grooves, the guide grooves are V-shaped grooves, and the openings of the guide grooves of one guide rail are opposite;

9. The steam curing system of claim 5, wherein said arm drive assembly includes an arm telescoping cylinder and two sets of planar four bar mechanisms;

10. The steam curing system of claim 8, wherein the track slab transport device further comprises a controller;