CN215481068U

CN215481068U - Steel rail normalizing equipment

Info

Publication number: CN215481068U
Application number: CN202122229060.9U
Authority: CN
Inventors: 黄正中; 杨成亮; 黄婧; 江俊志; 周杰
Original assignee: CHENGDU RUIWEI TRAFFIC TECHNOLOGY CO LTD
Current assignee: CHENGDU RUIWEI TRAFFIC TECHNOLOGY CO LTD
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-01-11
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses steel rail normalizing equipment which comprises a rack, wherein a clamping assembly is arranged on the rack, a reciprocating sliding fire swinging assembly is arranged on the rack, a heating assembly is arranged on the fire swinging assembly, a water-gas assembly is arranged on the rack, and the water-gas assembly is communicated with the heating assembly. The utility model has the beneficial effects that: the steel rail is clamped by adopting the air cylinder or the hydraulic cylinder, the motor drives the heater to swing back and forth, the electromagnetic valve realizes the on-off of water vapor, the automatic control of the whole normalizing process can be realized, the control precision is high, the normalizing process can be cured by a program aiming at different material steel rail joints, and the joint normalizing quality is high and stable; the heating assembly integrates the functions of heating, self-cooling and forced air cooling, and can meet the normalizing requirements of various steel rails on site at present; the equipment has compact and small structure, is provided with a hoisting interface, can be conveniently integrated on a self-propelled trolley or a flat car and the like, and can carry out heat treatment on the joint by hoisting the equipment down through the hoisting arm.

Description

Steel rail normalizing equipment

Technical Field

The utility model relates to the technical field of post-weld heat treatment of steel rails, in particular to steel rail normalizing equipment.

Background

The flame heat treatment of steel rail is generally a heat treatment process of heating a welded joint of steel rail by using oxyacetylene flame, and performing measures such as forced air cooling and the like on the welded joint after the welded joint of steel rail reaches a certain temperature. After the on-site steel rail joint is subjected to postweld heat treatment, such as railways, subway rails, crane rails and the like, the crystal grains of the welded joint structure are refined, so that the performance of a softening zone is improved, the overall toughness of the steel rail welding head is improved, and the service life of the joint is prolonged.

At present, flame normalizing equipment commonly used on site is manually controlled, a heater is manually shaken back and forth to perform normalizing heating on a welding seam and a heat affected zone of a steel rail joint, and the heater does not have the function of spraying air after normalizing, so that the problems of inaccurate normalizing temperature, inaccurate swinging width, insufficient joint hardness, poor normalizing quality, incapability of being used for normalizing high-strength steel rail joints and the like are caused.

Therefore, the flame normalizing equipment cannot meet the quality requirement of seamless line construction in China and is gradually eliminated by induction normalizing equipment. However, the induction normalizing equipment has high cost, needs to be additionally matched with a large-scale generator, a cooling pump and the like, needs to be connected and hung with a special rail car during operation, and the flame heat treatment equipment has the characteristics of light weight, small size, low cost and the like, so that a novel steel rail flame heat treatment equipment is still needed to be needed on site.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the steel rail normalizing equipment solves the problem that the existing flame normalizing equipment cannot meet the requirement of seamless line construction quality in China.

The purpose of the utility model is realized by the following technical scheme:

the utility model provides a rail normalizing equipment, includes the frame, is equipped with the centre gripping subassembly in the frame, is equipped with the pendulum fire subassembly that reciprocates to slide in the frame, is equipped with heating element on the pendulum fire subassembly, is equipped with the aqueous vapor subassembly in the frame, aqueous vapor subassembly and heating element intercommunication. The clamping assembly is used for clamping and fixing the rack on the steel rail, the fire swinging assembly is used for driving the heating assembly to slide in a reciprocating mode, and the water-gas assembly is used for supplying water gas required by normalizing operation to the heating assembly.

Furthermore, a hanging rod is arranged on the frame.

Furthermore, the centre gripping subassembly include the extensible member, the one end of extensible member articulates in the frame, the other end of extensible member articulates with the upper end of centre gripping arm, the middle part of centre gripping arm articulates in the frame, the lower extreme of centre gripping arm is the clamping part. The telescopic piece moves telescopically to drive the clamping arm to rotate, clamp or release. Similarly, the clamping assembly can also adopt other clamping modes such as pressing, jacking and the like.

Furthermore, the telescopic part is a cylinder or a hydraulic cylinder.

Furthermore, the clamping arm is positioned on one side of the rack, and the other side of the rack is provided with a profiling mold opposite to the clamping arm. Likewise, the clamp arms may be clamped by two clamp arms.

Furthermore, the heating assembly comprises heaters which are symmetrically arranged, the heaters are arranged on the fire swinging assembly, a water-gas channel is arranged in the heaters, the water-gas channel is communicated with a channel port on the heaters, and the channel port is communicated with the water-gas assembly.

Further, the heater establish on the heating mounting bracket, the heating mounting bracket lateral sliding is established on the heating slide rail, the heating slide rail is established on the pendulum fire subassembly that vertically reciprocates to slide. Similarly, the heater may also adopt other sliding fit modes such as a slide block and a slide rail.

Furthermore, the heater is hinged to the heating installation frame, and a locking mechanism is arranged between the heater and the heating installation frame.

Furthermore, the locking mechanism comprises a locking plate on the heating installation frame, a stop plate is arranged on the heater, a transportation position hole and a working position hole which are circumferentially arranged along the hinged center of the heater are formed in the locking plate, and a locking screw penetrates through the transportation position hole or the working position hole and is connected with a locking hole in the stop plate. Similarly, the locking structure may also adopt other fixing modes between the rotating members.

Furthermore, the fire swinging assembly comprises a fire swinging driving mechanism, the fire swinging driving mechanism is located on the rack and is connected with a fire swinging sliding rail, the fire swinging sliding rail is arranged on the rack in a sliding mode, and the fire swinging sliding rail is connected with the heating assembly.

Furthermore, an eccentric wheel is arranged on an output shaft of the fire swinging driving mechanism, and the eccentric wheel is positioned in a fire swinging groove of the fire swinging slide rail. Similarly, the swing fire driving mechanism can also adopt other structures capable of realizing reciprocating sliding.

Furthermore, the fire swinging driving mechanism comprises a driving motor and a speed reducer, the driving motor is connected with the speed reducer, and an output shaft of the speed reducer is provided with an eccentric wheel.

Furthermore, the fire swinging slide rail is arranged in the slide block in a sliding manner, and the slide block is arranged on the rack. Similarly, the swinging fire slide rail can adopt other sliding fit modes.

Furthermore, the water-gas assembly comprises a valve block, the valve block is communicated with at least one of the gas end, the inert gas end, the compressed air end and the circulating water end, and the valve block is communicated with the heating assembly.

Furthermore, the gas end include oxygen end and acetylene end, oxygen end and acetylene end communicate with the valve block respectively, be equipped with the blender on the valve block.

The utility model has the beneficial effects that:

1. the steel rail is clamped by the air cylinder or the hydraulic cylinder, the motor drives the heater to swing back and forth, the electromagnetic valve realizes the on-off of water vapor, the automatic control of the whole normalizing process can be realized, the control precision is high, the normalizing process can be cured by a program aiming at different material steel rail joints, and the joint normalizing quality is high and stable.

2. The heating assembly integrates the functions of heating, self-cooling and forced air cooling, and can meet the normalizing requirements of various steel rails on site at present.

3. The equipment has compact and small structure, is provided with a hoisting interface, can be conveniently integrated on a self-propelled trolley or a flat car and the like, and can carry out heat treatment on the joint by hoisting the equipment down through the hoisting arm.

The main scheme and the further selection schemes can be freely combined to form a plurality of schemes which are all adopted and claimed by the utility model; in the present invention, the selection (each non-conflicting selection) and the other selections can be freely combined. The skilled person in the art can understand that there are many combinations, which are all the technical solutions to be protected by the present invention, according to the prior art and the common general knowledge after understanding the scheme of the present invention, and the technical solutions are not exhaustive herein.

Drawings

FIG. 1 is a schematic view of the composition of the present invention.

Fig. 2 is a front view of the structure of the present invention.

Fig. 3 is a perspective view of the structure of the present invention.

Fig. 4 is a perspective view of the structure of the clamping assembly of the present invention.

Figure 5 is a side view of the structure of the clamping assembly of the present invention.

FIG. 6 is a perspective view of the structure of the fire swinging assembly and the heating assembly.

Fig. 7 is a front view (working position) of the heating assembly structure of the present invention.

Fig. 8 is a front view of the heating assembly structure (shipping position) of the present invention.

In the figure: the method comprises the following steps of 1-a rack, 2-a clamping component, 3-a heating component, 4-a fire swinging component, 5-a water-gas component, 6-a steel rail, 11-a fire swinging control system, 12-a gas control system, 13-an inert gas control system, 14-a compressed air control system, 15-a clamping control system and 16-a circulating water control system.

1 a-a suspender, 2 a-a telescopic part, 2 b-a clamping arm, 2 c-a profiling, 3 a-a heating mounting rack, 3 b-a heater, 3 c-a heating slide rail, 3 d-a locking plate, 3 e-a stopping plate, 4 a-a swinging fire driving mechanism, 4 b-an eccentric wheel, 4 c-a swinging fire slide rail, 4 d-a sliding block, 5 a-a valve block, 5 b-a mixer, 5 c-a valve, 5 d-a water pressure gauge and 5 e-a hose.

Detailed Description

The utility model will be further described with reference to specific embodiments and the accompanying drawings.

Referring to fig. 1 to 8, a steel rail normalizing device comprises a mechanical system and an electrical control system, wherein the mechanical system comprises a frame 1, a clamping assembly 2, a heating assembly 3, a fire swinging assembly 4 and a water-gas assembly 5, and the electrical control system comprises a fire swinging control system 11, a gas control system 12, an inert gas control system 13, a compressed air control system 14, a clamping control system 15 and a circulating water control system 16.

The clamping assembly 2 is arranged on the rack 1, and the clamping assembly 2 is used for clamping the steel rail 6 to realize clamping and positioning of the rack 1 on the steel rail 6. Be equipped with reciprocal pendulum fire subassembly 4 that slides on frame 1, be equipped with heating element 3 on the pendulum fire subassembly 4, through the reciprocal sliding motion of pendulum fire subassembly 4, can drive heating element 3 and slide in step, pendulum fire action when realizing normalizing operation.

The frame 1 is provided with a water-gas component 5, the water-gas component 5 is communicated with the heating component 3, and the water-gas component 5 is used for providing gas, inert gas, compressed air and circulating water for the normalizing operation of the heating component 3. The gas is burnt at the heating assembly 3 to carry out the heat treatment to the rail 6, and circulating water circulates in the heating assembly 3 to take away extra heat on the heating assembly 3. After heating, inert gas is introduced into the heating assembly 3, the flame is extinguished, and then the introduction of the fuel gas and the inert gas is stopped. Finally, compressed air is introduced into the heating assembly 3 to cool the steel rail 6.

The clamping control system 15 is clamped at two ends of a welding joint of the steel rail 6 by driving the clamping assembly 2, the gas control system 12 opens oxygen and acetylene of the water-gas assembly 5, gas flows out through a fire hole of a heater 3b of the heating assembly 3, and after ignition, the fire swinging control system 11 drives the fire swinging assembly 4 to realize heating of the heating assembly 3 in a manner of swinging back and forth on the welding joint. After heating is finished, the inert gas control system 13 releases inert gas to extinguish the heater flame by opening the valve 5c, and the gas control system 12 and the inert gas control system 13 close oxygen, acetylene and inert gas. And finally, the compressed air control system 14 opens compressed air, the compressed air flows out through the air holes of the heater 3b, and the fire swinging control system 11 drives the fire swinging assembly 4 to swing back and forth, so that the heating assembly 3 cools the joint.

Specifically, the frame 1 is a rectangular frame structure formed by beams, plates and other structures and used for mounting each component, and each component is isolated from flame in the heating process through a partition plate of the frame. The frame 1 is provided with a suspender 1a, and the equipment can be lifted and dropped by other lifting equipment.

The clamping assembly 2 comprises an extensible member 2a, a clamping arm 2b and a profiling 2c, the extensible member 2a is an air cylinder or a hydraulic cylinder, the cylinder end of the extensible member 2a is hinged to the rack 1, the extensible end of the extensible member 2a is hinged to the upper end of the clamping arm 2b, the middle of the clamping arm 2b is hinged to the rack 1, and the lower end of the clamping arm 2b is a clamping portion. The clamping arm 2b is driven to rotate by the telescopic motion of the telescopic piece 2a, so that the clamping arm 2b clamps or releases the steel rail.

The clamping arm 2b is positioned at one side of the frame 1, and the other side of the frame 1 is provided with a profiling 2c opposite to the clamping arm 2 b. During clamping, the telescopic piece 2a extends, the clamping part of the clamping arm 2b is close to the joint steel rail 6, the steel rail 6 is pressed on the profiling 2c, the clamping arm 2b is pressed, and then the two sides of the steel rail 6 are clamped, so that the fixing of the rack 1 is realized. Both ends all are equipped with centre gripping subassembly 2 around frame 1, can guarantee the both ends centre gripping of frame, and the centre gripping effect is more stable.

The heating assembly 3 includes a heating mount 3a, a heater 3b, a heating slide 3c, and a locking plate 3 d. The heaters 3b on the two sides are symmetrically arranged, the heaters 3b are arranged on the heating installation frame 3a, the heating installation frame 3a is transversely arranged on the two heating slide rails 3c in a sliding mode, and the heating slide rails 3c are fixed on the fire swinging assembly 4 which longitudinally slides in a reciprocating mode.

The heating mounting frame 3a is used for realizing the installation of the heater 3b, and the heating mounting frame 3a can transversely slide along the heating slide rail 3c, so that the distance between two opposite heaters 3b is adjusted to be suitable for steel rails 6 with various specifications. Meanwhile, the fire swinging assembly 4 can drive the heating slide rail 3c to vertically swing in a reciprocating mode, the heating installation frame 3a and the heater 3b are synchronously driven to swing in a reciprocating mode, and fire swinging operation is achieved.

The heater 3b is of a 3-shaped structure so as to adapt to the I shape of the steel rail. A water-gas channel is arranged in the heater 3b and comprises a gas channel, an inert gas channel, a compressed air channel and a circulating water channel which are mutually independent. The water-gas channel is communicated with a channel port on the heater 3b, the channel port is communicated with a water-gas end opposite to the water-gas component 5, fuel gas, inert gas and compressed air are sprayed out after entering the heater 3b, and circulating water flows circularly and returns to the water-gas component 5 again.

The heater 3b is hinged on the heating mounting frame 3a along the transverse axial direction, and a locking mechanism is arranged between the heater 3b and the heating mounting frame 3 a. The heater can be locked and fixed at different hinged positions relative to the heating mounting frame through the locking mechanism.

Locking mechanism is including fixed board 3e that ends on the fixed jam plate 3d of heating mounting bracket 3a and the heater 3b, is equipped with the transportation position hole and the work position hole of arranging along the articulated center circumference of heater 3b on the jam plate 3d, and locking screw passes transportation position hole or work position hole and ends the locking jogged joint on the board 3 e.

When the heater keeps a vertical state and is used for normalizing operation, the locking screw penetrates through the working position hole and is in threaded connection with the locking hole, and the fixing of the working position is realized. When the heater is folded to keep an inclined state so as to reduce the occupied space and facilitate transportation, the locking screw penetrates through the transportation position hole to be in threaded connection with the locking hole, and the transportation position is fixed.

The fire swinging assembly 4 comprises a fire swinging driving mechanism 4a, an eccentric wheel 4b, a fire swinging slide rail 4c and a slide block 4 d. The fire swinging driving mechanism 4a comprises a driving motor and a speed reducer which are arranged on the frame 1, the driving motor is connected with the speed reducer, and an eccentric wheel 4b is arranged on an output shaft of the speed reducer.

The eccentric wheel 4b is positioned in a fire swing groove of the fire swing slide rail 4c through a roller, the fire swing slide rail 4c which is longitudinally arranged is arranged in a slide block 4d in a sliding way, and the slide block 4d is longitudinally fixed on the frame 1. The swinging slide rail 4c is fixedly connected with the heating slide rail 3c, and the heating slide rail 3c is synchronously driven to reciprocate.

The water gas assembly comprises a valve block 5a, a mixer 5b, a valve 5c, a water pressure gauge 5d and a hose 5 e. The valve block 5a is respectively communicated with the gas end, the inert gas end, the compressed air end and the circulating water end, the supply of water vapor is realized through the water vapor ends, and then the on-off of the supply is controlled through the opening and closing of the valve 5 c.

The gas end includes oxygen end and acetylene end, and oxygen end and acetylene end communicate with valve block 5a respectively, are equipped with blender 5b on the valve block 5a, and oxygen and acetylene are let in valve block 5a respectively after, utilize blender 5b on the valve block 5a to realize the mixing of oxygen and acetylene, form the gas.

And a water pressure gauge 5d is arranged on the valve block 5a and is used for monitoring the pressure condition of the circulating water. The valve block 5a is communicated with the heaters through a hose 5e, and is used for shunting water vapor to distribute a strand of water vapor to the heaters on two sides.

The valve block 5a has a function of realizing a one-in-two function of the heaters of oxygen, acetylene, inert gas, cooling circulating water and compressed air from the valve block to both sides, and a two-in-one function of the cooling circulating water returning water from the heaters at both sides to the valve block.

The mixer 5b is used for realizing the proportional mixing function of the oxygen and the acetylene to achieve the condition of combustibility. Through the gas control system 12, the inert gas control system 13, the compressed air control system 14 and the circulating water control system 16, the opening of oxygen, acetylene, inert gas and compressed air and the automatic closing of the oxygen, acetylene, inert gas and compressed air according to the flow, pressure and the like set by the control system can be realized.

The foregoing basic embodiments of the utility model and their various further alternatives can be freely combined to form multiple embodiments, all of which are contemplated and claimed herein. In the scheme of the utility model, each selection example can be combined with any other basic example and selection example at will.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A rail normalizing equipment, includes frame (1), its characterized in that: frame (1) on be equipped with centre gripping subassembly (2), be equipped with reciprocal pendulum fire subassembly (4) that slide on frame (1), be equipped with heating element (3) on pendulum fire subassembly (4), be equipped with aqueous vapor subassembly (5) on frame (1), aqueous vapor subassembly and heating element (3) intercommunication.

2. A rail normalizing device according to claim 1, wherein: the clamping assembly (2) comprises an extensible member (2a), one end of the extensible member (2a) is hinged to the rack (1), the other end of the extensible member (2a) is hinged to the upper end of the clamping arm (2b), the middle of the clamping arm (2b) is hinged to the rack (1), and the lower end of the clamping arm (2b) is a clamping portion.

3. A rail normalizing device according to claim 2, wherein: the clamping arm (2b) is positioned on one side of the rack (1), and the other side of the rack (1) is provided with a profiling mold (2c) opposite to the clamping arm (2 b).

4. A rail normalizing device according to claim 1, wherein: the heating assembly (3) comprises heaters (3b), the heaters (3b) are symmetrically arranged, the heaters (3b) are arranged on the fire swinging assembly (4), a water-gas channel is arranged in the heaters (3b), the water-gas channel is communicated with a channel opening in the heaters (3b), and the channel opening is communicated with the water-gas assembly (5).

5. A rail normalizing device according to claim 4, wherein: heater (3b) establish on heating mounting bracket (3a), heating mounting bracket (3a) lateral sliding establishes on heating slide rail (3c), heating slide rail (3c) are established on vertical reciprocal pendulum fire subassembly (4) that slides.

6. A rail normalizing device according to claim 5, wherein: the heater (3b) is hinged to the heating mounting frame (3a), and a locking mechanism is arranged between the heater (3b) and the heating mounting frame (3 a).

7. A rail normalizing device according to claim 6, wherein: locking mechanism include jam plate (3d) on heating mounting bracket (3a), be equipped with on heater (3b) and end board (3e), be equipped with on jam plate (3d) along transportation position hole and the work position hole that heater (3b) articulated center circumference was arranged, locking screw passes transportation position hole or work position hole and ends the locking jogged joint on board (3 e).

8. A rail normalizing device according to claim 1, wherein: the fire swinging assembly (4) comprises a fire swinging driving mechanism (4a), the fire swinging driving mechanism (4a) is located on the rack (1), the fire swinging driving mechanism (4a) is connected with a fire swinging sliding rail (4c), the fire swinging sliding rail (4c) is slidably arranged on the rack (1), and the fire swinging sliding rail (4c) is connected with the heating assembly (3).

9. A rail normalizing device according to claim 8, wherein: an output shaft of the fire swinging driving mechanism (4a) is provided with an eccentric wheel (4b), and the eccentric wheel (4b) is positioned in a fire swinging groove of the fire swinging slide rail (4 c).

10. A rail normalizing device according to claim 1, wherein: the water-gas component comprises a valve block (5a), the valve block (5a) is communicated with at least one of a gas end, an inert gas end, a compressed air end and a circulating water end, and the valve block (5a) is communicated with the heating component (3).