CN116079881B

CN116079881B - Concrete curing equipment

Info

Publication number: CN116079881B
Application number: CN202310228064.6A
Authority: CN
Inventors: 王停; 郭虎; 吴玉凯; 曹明
Original assignee: Anhui Ruifeng Water Conservancy Construction Co ltd
Current assignee: Anhui Ruifeng Engineering Technology Group Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2025-04-15
Anticipated expiration: 2043-03-06
Also published as: CN116079881A

Abstract

The present application relates to a concrete curing equipment, which belongs to the technical field of concrete curing. It includes a curing room and a slide rail that runs through the curing room; a curing vehicle is slidably arranged along the length direction of the slide rail, a lead screw is rotatably arranged on the slide rail along its own length direction, a threaded tube is rotatably arranged in the curing vehicle, a plug-in piece is slidably arranged in the curing vehicle along its own width direction, and a plug-in groove that can be plugged into the plug-in piece is provided on the outer circumference of the threaded tube; the lead screw runs through the threaded tube, and the lead screw is threadedly connected to the threaded tube; an electromagnet is embedded and fixed on the inner wall of the curing room, and a magnetic suction piece that can be magnetically adsorbed with the electromagnet is fixed on one end of the plug-in piece close to the electromagnet. The present application has the effect of automatically stopping the curing vehicle after it moves to a preset position.

Description

Concrete curing equipment

Technical Field

The application relates to the field of concrete curing, in particular to concrete curing equipment.

Background

After concrete is poured, certain temperature and humidity conditions are required to be met to enable the hardness of the concrete to meet the forming requirement, so that the temperature and humidity conditions are required to be created manually to maintain the concrete.

The related art can refer to the chinese patent application of application number CN115582905A, and it discloses a concrete curing device, and sealed curing box is equipped with the flashboard door, set up the maintenance car that is arranged in the curing box and places the precast concrete piece of initial setting, the width of maintenance car is less than the width of the door body in the flashboard door, be equipped with a plurality of steam outlets on the bottom plate of curing box, every steam outlet all passes through the steam pipe and connects the outside steam main pipe of curing box.

In view of the above-mentioned related art, the inventor considers that there is a disadvantage in that since the concrete curing apparatus is generally set as a closed body in order to ensure that its own temperature and humidity are kept stable, the movement progress of the concrete member is not observed after the concrete member is transported into the concrete curing apparatus, and thus there is a possibility that the concrete member cannot be moved to a predetermined position, and the curing efficiency is affected by repeatedly adjusting the position of the concrete member.

Disclosure of Invention

In order to solve the problem that a concrete member cannot automatically stop after moving to a preset position, the application provides concrete curing equipment.

The concrete curing equipment provided by the application adopts the following technical scheme:

The concrete curing equipment comprises a curing chamber and a sliding rail penetrating through the curing chamber, a curing vehicle is slidably arranged along the length direction of the sliding rail, a screw rod is rotatably arranged on the sliding rail along the length direction of the sliding rail, a threaded pipe is rotatably arranged in the curing vehicle, an inserting piece is slidably arranged in the curing vehicle along the width direction of the curing vehicle, an inserting groove capable of being inserted into the inserting piece is formed in the peripheral surface of the threaded pipe, the screw rod penetrates through the threaded pipe, the screw rod is in threaded connection with the threaded pipe, an electromagnet is fixedly embedded into the inner wall of the curing chamber, and a magnetic attraction piece capable of being magnetically attracted with the electromagnet is fixedly arranged at one end, close to the electromagnet, of the inserting piece.

By adopting the technical scheme, the maintenance vehicle can keep advancing only when the plug-in sheet and the threaded pipe are kept in the plug-in state, after the maintenance vehicle moves to the position where the electromagnet is aligned with the plug-in sheet, the electromagnet attracts the magnetic attraction sheet to separate the plug-in sheet from the threaded pipe, and the threaded pipe without the limiting function cannot continuously drive the maintenance vehicle to advance, so that the maintenance vehicle can be conveniently and automatically stopped at a preset position in a maintenance room.

Optionally, a through hole through which the screw rod passes is formed in the maintenance truck base, a first chute is formed in the maintenance truck base, the plug-in piece is slidably arranged in the first chute along the width direction of the maintenance truck, a guide piece is fixed on the side wall of the plug-in piece, a guide groove is formed in the inner wall of the first chute, and the guide piece is slidably arranged in the guide groove along the width direction of the maintenance truck.

Through adopting above-mentioned technical scheme, the guide way provides the guide effect for the guide blade, and the contact patch of being convenient for removes along maintenance car width direction.

Optionally, a first spring is fixed on one side of the guide piece away from the threaded pipe, and one end of the first spring away from the threaded pipe is fixedly connected with the side wall of the guide groove away from the threaded pipe.

By adopting the technical scheme, the first spring provides the elastic force for the plug-in sheet to the side far away from the threaded pipe, so that the plug-in sheet is conveniently driven to be separated from the threaded pipe by the first spring, and when the magnetic force provided by the electromagnet is insufficient to offset the elastic force of the first spring, the threaded pipe stops rotating due to the separation of the plug-in sheet and the threaded pipe.

Optionally, a thermistor is fixed on the inner wall of the curing chamber, and the thermistor, the electromagnet and the power supply are connected in series to form a series circuit.

By adopting the technical scheme, after the electromagnet is connected with the thermistor in series, when the temperature in the curing chamber is too high, the resistance of the thermistor is increased, so that the current passing through the electromagnet is reduced, the magnetic force of the electromagnet is reduced, and after the magnetic force exerted by the electromagnet is reduced, the inserting piece can be automatically reset, so that the threaded pipe and the screw rod restore the threaded transmission matching relationship, and the curing vehicle continues to advance after the temperature reaches the preset temperature, which means that the curing is finished.

The automatic maintenance device comprises a maintenance chamber, a first sliding block, a second sliding block, a first sliding gate, a third sliding block, a second bevel gear, a rotating assembly and a third sliding block, wherein the first sliding block is arranged on the side wall of the outlet end of the maintenance chamber, the second sliding block is rotatably arranged on the side wall of the second sliding block, the sliding block is arranged in the second sliding block in a threaded transmission fit mode on the peripheral side of the screw in a sliding manner, the first sliding gate is arranged on the outlet end of the maintenance chamber in a sliding manner in a vertical direction, the side wall of the first sliding gate is fixedly connected with the sliding block, the first bevel gear is fixed at the bottom end of the screw, the third sliding block is arranged on one side of the second sliding block, which is far away from the screw, the third sliding block is rotatably arranged on one side, which is close to the bevel gear, and is rotatably provided with the second bevel gear which can be meshed with the first bevel gear, and a rotating assembly is arranged in the third sliding block.

By adopting the technical scheme, the sliding block is in threaded transmission fit with the screw rod to drive the first gate to open, and the second bevel gear can provide rotating power for the first bevel gear, so that the screw rod rotates and opens the first gate, and the maintenance truck is convenient to leave the maintenance room.

The rotating assembly comprises a connecting shaft which is rotatably arranged in a sliding groove III, a connecting groove which can be inserted into the end part of the connecting shaft is formed in one side, away from the bevel gear, of the bevel gear II, a sliding groove IV is formed in the three peripheral side of the sliding groove, and a magnetic disc which can be adsorbed with one end, away from the screw rod, of the electromagnet is connected in a sliding manner along the length direction of the maintenance chamber in the sliding groove IV.

By adopting the technical scheme, the magnetic strength of the electromagnet can also influence the movement of the magnetic disc and the connecting shaft, when the electromagnetic ferromagnetism is strong, the connecting shaft is separated from the bevel gear II, when the electromagnetic ferromagnetism is weak, the connecting shaft is spliced with the bevel gear II, and the bevel gear II is driven to rotate through the rotation of the connecting shaft, so that the first gate is opened, and the maintenance vehicle can leave the maintenance room after the temperature reaches the preset temperature conveniently.

Optionally, the magnetic disk is sleeved on the circumference side of the connecting shaft, two chucks are fixed on the outer circumferential surface of the connecting shaft, and the magnetic disk is positioned between the two chucks.

Through adopting above-mentioned technical scheme, the chuck provides spacing effect for the magnetic chuck to make the magnetic disk not hinder the rotation of connecting axle in the removal in-process.

Optionally, a motor for providing power for the screw is arranged at the end part of the screw, an output shaft of the motor is fixedly connected with the end part of the screw, a belt wheel I is sleeved and fixed at the end part of the screw, which is close to the end part of the motor, a communication groove is formed in the inner wall of the inlet end of the curing chamber, a belt wheel II is rotatably arranged in the communication groove, the belt wheel II is sleeved and slidingly connected to the peripheral side of the connecting shaft, and the belt wheel I is connected with the belt wheel II through a conveying belt.

By adopting the technical scheme, the motor provides power for the rotation of the screw rod, and the connecting shaft and the screw rod can synchronously rotate through the cooperation of the belt wheel I and the belt wheel II.

Optionally, the connecting axle outer peripheral face is fixed with the guide bar, the guiding hole has been seted up to band pulley second inner peripheral face, the guide bar along maintenance room length direction with the guiding hole slides and is connected.

By adopting the technical scheme, the guide hole provides a guide effect for the guide strip, so that the belt pulley II can drive the connecting shaft to rotate and simultaneously can keep relative sliding.

In summary, the present application includes at least one of the following beneficial technical effects:

1. When the maintenance vehicle moves to the position where the electromagnet is aligned with the plug-in sheet, the electromagnet attracts the magnetic attraction sheet to separate the plug-in sheet from the threaded pipe;

2. After the magnetic force exerted by the electromagnet is reduced, the inserting piece can be automatically reset, so that the threaded pipe and the lead screw restore the threaded transmission matching relationship, and the maintenance truck continues to advance after the temperature reaches the preset temperature, which means that maintenance is finished;

3. the magnetic strength of the electromagnet can also influence the movement of the magnetic disc and the connecting shaft, when the electromagnetic ferromagnetism is strong, the connecting shaft is separated from the bevel gear II, when the electromagnetic ferromagnetism is weak, the connecting shaft is spliced with the bevel gear II, and the bevel gear II is driven to rotate through the rotation of the connecting shaft, so that the first gate is opened, and the maintenance vehicle can leave the maintenance chamber after the temperature reaches the preset temperature.

Drawings

FIG. 1 is a schematic view of a curing chamber according to an embodiment of the present application.

FIG. 2 is a cross-sectional view of a curing chamber according to an embodiment of the application.

FIG. 3 is a cross-sectional view of a maintenance vehicle according to an embodiment of the present application.

Fig. 4 is a schematic structural view of a threaded pipe according to an embodiment of the present application.

FIG. 5 is a cross-sectional view of a curing chamber according to an embodiment of the application.

The device comprises a maintenance room, 11, a sliding rail, 12, a screw rod, 13, a motor, 14, a steam pipe, 15, a water pipe, 16, a spray head, 17, a communicating groove, 2, a maintenance vehicle, 21, a perforation, 22, a threaded pipe, 23, a first sliding groove, 24, an inserting piece, 25, an inserting groove, 26, a guiding piece, 27, a guiding groove, 28, a first spring, 3, a first gate, 31, a mounting groove, 32, a second gate, 33, a connecting groove, 34, a fourth sliding groove, 35, a magnetic disc, 36, a chuck, 4, an electromagnet, 41, a magnetic attraction piece, 42, a thermistor, 43, a second sliding groove, 44, a screw rod, 45, a sliding block, 46, a bevel gear, 47, a third sliding groove, 48, a connecting shaft, 49, a second bevel gear, 5, a first pulley, 51, a second pulley, 52, a guiding strip, 53 and a guiding hole.

Detailed Description

The application is described in further detail below with reference to fig. 1-5.

The embodiment of the application discloses concrete curing equipment. Referring to fig. 1 and 2, the maintenance room 1 and the slide rail 11 provided to penetrate the maintenance room 1 are included. The maintenance vehicle 2 is slidably arranged along the length direction of the slide rail 11. The slide rail 11 is provided with a screw rod 12 in a rotating manner along the length direction of the slide rail, the end part of the screw rod 12 is provided with a motor 13 for providing power for the screw rod 12, and an output shaft of the motor 13 is fixedly connected with the end part of the screw rod 12. The bottom of the curing room 1 is provided with a steam pipe 14 for conveying high-temperature steam to the curing room 1, the top of the curing room 1 is fixedly provided with a water pipe 15, and a plurality of spray heads 16 are fixedly arranged on the water pipe 15 along the length direction of the self. The outlet of the curing chamber 1 is provided with a first gate 3 in a vertical sliding manner, and the inlet of the curing chamber 1 is hinged with a second gate 32.

The steam pipe 14 is used for conveying high-pressure steam into the curing chamber 1 to improve the high-temperature curing environment. When the temperature in the curing chamber 1 is too high, water is sprayed into the curing chamber 1 through the water pipe 15 to cool.

Referring to fig. 3 and 4, a through hole 21 through which the screw 12 passes is formed in the base of the maintenance truck 2. The maintenance truck 2 is provided with a mounting groove 31 in the base at the periphery of the through hole 21, a threaded pipe 22 is rotatably arranged in the mounting groove 31, a lead screw 12 is arranged through the threaded pipe 22, and the lead screw 12 is in threaded connection with the threaded pipe 22. Two first sliding grooves 23 are symmetrically arranged in the base of the maintenance truck 2 along the radial direction of the through hole 21, the first sliding grooves 23 are connected with plug-in pieces 24 in a sliding manner along the width direction of the maintenance truck 2, and plug-in grooves 25 which can be plugged in the plug-in pieces 24 are formed in the outer circumferential surface of the threaded pipe 22.

The screw rod 12 drives the maintenance truck 2 to advance through threaded cooperation with the threaded pipe 22. The threaded tube 22 can only be in threaded transmission with the screw rod 12 in the limited state, and the threaded tube 22 can only be in the limited state when the plug piece 24 is plugged with the threaded tube 22.

Referring to fig. 3 and 4, guide pieces 26 are symmetrically fixed to both sides of the insertion piece 24, guide grooves 27 are respectively formed in two opposite inner walls of the first chute 23, and the guide pieces 26 are slidably disposed in the guide grooves 27 along the width direction of the maintenance truck 2. A first spring 28 is fixed on one side of the guide piece 26 away from the threaded pipe 22, and one end of the first spring 28 away from the threaded pipe 22 is fixedly connected with the side wall of the guide groove 27 away from the threaded pipe 22.

Referring to fig. 2, an electromagnet 4 is embedded and fixed in the inner wall of the curing chamber 1, and a magnetic attraction piece 41 capable of magnetically attracting the electromagnet 4 is fixed at one end of the insertion piece 24 close to the electromagnet 4. A thermistor 42 is fixed on the inner wall of the curing chamber 1, and the thermistor 42, the electromagnet 4 and the power supply are connected in series to form a series circuit.

After the maintenance truck 2 runs until the electromagnet 4 and the inserting piece 24 are aligned, the electromagnet 4 can separate the inserting piece 24 from the threaded pipe 22 through the adsorption magnetic attraction piece 41, and the threaded pipe 22 does not drive the maintenance truck 2 to move forward after losing the limiting function.

The thermistor 42 is used for measuring the temperature in the curing chamber 1, when the temperature in the curing chamber 1 is too high, the resistance of the thermistor 42 gradually rises under the influence of the temperature, so that the current in the series circuit is reduced, the magnetism of the electromagnet 4 is reduced, and the plug-in piece 24 and the threaded pipe 22 are restored to the plug-in relation.

Referring to fig. 2, two second sliding grooves 43 are formed in the side wall of the outlet end of the curing chamber 1, a screw 44 is rotatably arranged in the second sliding grooves 43, a sliding block 45 is sleeved on the periphery of the screw 44 and is in threaded transmission fit with the screw, and the sliding block 45 is vertically arranged in the second sliding grooves 43 in a sliding mode. The first gate 3 is arranged at the outlet end of the curing chamber 1 in a vertical sliding manner, and the side wall of the first gate 3 is fixedly connected with the sliding block 45. A bevel gear 46 is fixed at the bottom end of the screw 44.

Referring to fig. 2, 3 and 5, a third chute 47 is formed on a side of the second chute 43 away from the screw rod 12 and is arranged along the length direction of the curing chamber 1, a connecting shaft 48 is rotatably arranged in the third chute 47, and a second bevel gear 49 which can be meshed with the first bevel gear 46 is rotatably arranged on a side of the third chute 47 close to the first bevel gear 46. The bevel gear two 49 is provided with a connecting groove 33 which can be inserted into the end of the connecting shaft 48 at the side far away from the bevel gear one 46, and in the embodiment, the cross sections of the connecting shaft 48 and the connecting groove 33 are square.

Referring to fig. 5, a fourth chute 34 is formed on the peripheral side of the third chute 47, and the fourth chute 34 is communicated with the second chute 43. A magnetic disc 35 which can be adsorbed with one end of the electromagnet 4 far away from the screw rod 12 is connected in the sliding way along the length direction of the curing chamber 1 in the sliding groove IV 34. The magnetic disk 35 is sleeved on the periphery of the connecting shaft 48, two chucks 36 are fixed on the periphery of the connecting shaft 48, and the magnetic disk 35 is positioned between the two chucks 36.

The electromagnet 4 is used for providing magnetic attraction for the magnetic disc 35, the magnetic disc 35 drives the connecting shaft 48 to move, and after the connecting shaft 48 moves, the end part of the connecting shaft 48 can be spliced with the connecting groove 33 on the bevel gear II 49, so that the screw 44 is driven to rotate through the connecting shaft 48.

Referring to fig. 1 and 5, a first pulley 5 is fixedly sleeved at the end of the screw rod 12 close to the motor 13, a communication groove 17 is formed in the inner wall of the inlet end of the curing chamber 1, a second pulley 51 is rotatably arranged in the communication groove 17, the second pulley 51 is sleeved and slidably connected to the periphery of the connecting shaft 48, and the first pulley 5 and the second pulley 51 are connected through a conveying belt. The outer peripheral surface of the connecting shaft 48 is fixedly provided with a guide strip 52, the inner peripheral surface of the second belt pulley 51 is provided with a guide hole 53, and the guide strip 52 is slidingly connected with the guide hole 53 along the length direction of the curing chamber 1.

The concrete curing equipment of the embodiment of the application has the implementation principle that:

the motor 13 is started to drive the screw rod 12 to rotate, and the screw rod 12 drives the maintenance truck 2 to advance through threaded transmission cooperation with the threaded pipe 22. After the maintenance truck 2 moves to the position where the electromagnet 4 is aligned with the inserting piece 24, the inserting piece 24 is separated from the threaded pipe 22, and the threaded pipe 22 stops being in threaded fit with the screw rod 12, so that the maintenance truck 2 stops moving. Gate two 32 is closed.

The steam pipe 14 supplies high-pressure steam into the curing chamber 1 to produce a high-temperature curing environment. When the temperature in the curing chamber 1 is too high, water is sprayed into the curing chamber 1 through the water pipe 15 to cool.

When the temperature in the curing chamber 1 is higher than the preset temperature and curing is finished, the thermistor 42 in the curing chamber 1 gradually increases in temperature in the curing chamber 1, the resistance of the thermistor is gradually increased, the current in the electromagnet 4 connected with the thermistor 42 in series is reduced, and the magnetism of the electromagnet 4 is reduced. After the electromagnet 4 cannot provide magnetic force for the magnetic attraction piece 41, the inserting piece 24 is inserted into the threaded pipe 22 again, and the threaded pipe 22 is in threaded fit with the screw rod 12 and drives the maintenance truck 2 to move towards the outlet of the maintenance room 1.

Meanwhile, the electromagnet 4 cannot provide an adsorption effect for the magnetic disc 35, the magnetic disc 35 drives the connecting shaft 48 to move towards the side close to the first bevel gear 46, the second bevel gear 49 is contacted with the first bevel gear 46 and then enters a meshed state, the connecting shaft 48 drives the screw 44 to rotate, the first gate 3 ascends, and the outlet of the curing chamber 1 is opened.

After the outlet of the curing chamber 1 is opened, the temperature in the curing chamber 1 is reduced due to the exchange of the internal temperature and the external temperature, the magnetism of the electromagnet 4 is enhanced, the screw 44 stops rotating after the magnetic disc 35 moves, and therefore the first gate 3 stops rising after rising to a preset height.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims

1. The concrete curing equipment comprises a curing chamber (1) and a sliding rail (11) penetrating through the curing chamber (1), wherein a curing vehicle (2) is slidably arranged along the length direction of the sliding rail (11), and is characterized in that a lead screw (12) is rotatably arranged on the sliding rail (11) along the length direction of the sliding rail, a threaded pipe (22) is rotatably arranged in the curing vehicle (2), an inserting piece (24) is slidably arranged in the curing vehicle (2) along the width direction of the curing vehicle, an inserting groove (25) capable of being inserted into the inserting piece (24) is formed in the outer peripheral surface of the threaded pipe (22), the lead screw (12) penetrates through the threaded pipe (22), the lead screw (12) is in threaded connection with the threaded pipe (22), an electromagnet (4) is fixedly embedded in the inner wall of the curing chamber (1), and a magnetic absorbing piece (41) capable of being magnetically absorbed by the electromagnet (4) is fixedly arranged at one end, close to the electromagnet (4);

The side wall of the outlet end of the curing chamber (1) is provided with a second chute (43), a screw rod (44) is rotationally arranged on the second chute (43), a sliding block (45) is arranged on the periphery side of the screw rod (44) in a threaded transmission fit manner, the sliding block (45) is vertically arranged in the second chute (43) in a sliding manner, the outlet end of the curing chamber (1) is vertically provided with a first gate (3) in a sliding manner, the side wall of the first gate (3) is fixedly connected with the sliding block (45), the bottom end of the screw rod (44) is fixedly provided with a first bevel gear (46), a third chute (47) is arranged on the side, away from the screw rod (12), of the second chute (43), a second bevel gear (49) capable of being meshed with the first bevel gear (46) is rotationally arranged on the side, and a rotating assembly used for driving the second bevel gear (49) to rotate is arranged in the third chute (47).

The rotating assembly comprises a connecting shaft (48) rotatably arranged in a sliding groove III (47), a connecting groove (33) which can be spliced with the end part of the connecting shaft (48) is formed in one side, away from the bevel gear I (46), of the bevel gear II (49), a sliding groove IV (34) is formed in the peripheral side of the sliding groove III (47), and a magnetic disc (35) which can be adsorbed with one end, away from the screw rod (12), of the electromagnet (4) is slidingly connected in the sliding groove IV (34) along the length direction of the curing chamber (1).

2. The concrete curing equipment according to claim 1, wherein a through hole (21) through which the screw rod (12) can pass is formed in a base of the curing vehicle (2), a first chute (23) is formed in the base of the curing vehicle (2), the plug-in piece (24) is slidably arranged in the first chute (23) along the width direction of the curing vehicle (2), a guide piece (26) is fixed on the side wall of the plug-in piece (24), a guide groove (27) is formed in the inner wall of the first chute (23), and the guide piece (26) is slidably arranged in the guide groove (27) along the width direction of the curing vehicle (2).

3. A concrete curing apparatus according to claim 2, wherein a first spring (28) is fixed on one side of the guide piece (26) away from the threaded pipe (22), and one end of the first spring (28) away from the threaded pipe (22) is fixedly connected with the side wall of the guide groove (27) away from the threaded pipe (22).

4. A concrete curing apparatus according to claim 1, wherein a thermistor (42) is fixed on the inner wall of the curing chamber (1), and the thermistor (42) is connected in series with the electromagnet (4) and a power supply to form a series circuit.

5. The concrete curing apparatus as claimed in claim 1, wherein the magnetic disk (35) is sleeved on the circumference of the connecting shaft (48), two chucks (36) are fixed on the outer circumference of the connecting shaft (48), and the magnetic disk (35) is located between the two chucks (36).

6. The concrete curing equipment according to claim 1, wherein a motor (13) for providing power for the screw (12) is arranged at the end of the screw (12), an output shaft of the motor (13) is fixedly connected with the end of the screw (12), a belt wheel I (5) is fixedly sleeved at the end of the screw (12) close to the motor (13), a communicating groove (17) is formed in the inner wall of the inlet end of the curing chamber (1), a belt wheel II (51) is rotationally arranged in the communicating groove (17), the belt wheel II (51) is sleeved and slidingly connected to the periphery of the connecting shaft (48), and the belt wheel I (5) is connected with the belt wheel II (51) through a conveying belt.

7. A concrete curing apparatus as set forth in claim 6, wherein a guide bar (52) is fixed to the outer peripheral surface of the connecting shaft (48), a guide hole (53) is provided in the inner peripheral surface of the pulley II (51), and the guide bar (52) is slidably connected to the guide hole (53) along the length direction of the curing chamber (1).