CN211811663U

CN211811663U - Energy-saving lifting roller way

Info

Publication number: CN211811663U
Application number: CN202020346648.5U
Authority: CN
Inventors: 段崇杰
Original assignee: Laiwu Zhongmei Machinery Manufacturing Co Ltd
Current assignee: Laiwu Zhongmei Machinery Manufacturing Co Ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-10-30
Anticipated expiration: 2030-03-18

Abstract

The utility model relates to an energy-saving lifting roller way, relate to the technical field of metallurgical product transportation, it includes unable adjustment base, sliding bottom and elevating system, elevating system includes first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod, first slider, second slider and two-way lead screw, the one end and the sliding bottom of first connecting rod rotate to be connected, the other end and the first slider of first connecting rod are connected, first slider slides with unable adjustment base and is connected, the one end of second connecting rod is rotated and is connected on unable adjustment base, the other end of second connecting rod is rotated with the middle part of first connecting rod and is connected, the third connecting rod, the fourth connecting rod, second slider and first connecting rod, the second connecting rod, first slider is the symmetry setting, the both ends of two-way lead screw respectively with first slider and second slider threaded connection. The utility model discloses enable sliding base and only take place to slide from top to bottom, and can not slide along the traffic direction of hot metalwork, reduced the dead probability of hot metalwork by the card.

Description

Energy-saving lifting roller way

Technical Field

The utility model belongs to the technical field of the technique of metallurgical product transportation and specifically relates to an energy-saving lifting roller way is related to.

Background

The roller way is the main equipment for conveying rolled pieces in a steel rolling workshop, the weight of the roller way accounts for about 40% of the total weight of the equipment in the whole steel rolling workshop, and the roller way is the most used equipment in the steel rolling workshop. The lifting roller way is a machine used for transferring the hot metal pieces from the heating furnace to the rolling mill, and the diameters of the hot metal pieces are possibly different from each other, and the axle center of the hot metal pieces is required to be coaxial with the axle center of the rolling mill roller when the hot metal pieces enter the rolling mill, so that the height of the axle center of the hot metal pieces is adjusted through the lifting roller way, and the axle center of the hot metal pieces and the axle center of the roller are kept coaxial.

At present, a Chinese utility model patent with the publication date of 2013, 12 and 25 and the publication number of CN203356218U provides a lifting device of a lifting roller way of a pipe mill, which comprises a hydraulic cylinder, a lifter and a base, wherein a long hole is formed in one side of the base, which is close to the hydraulic cylinder, the upper part of the base is provided with a sliding base, the hydraulic cylinder is fixed on the sliding base, and a base bolt of the base is sleeved in the long hole; the hydraulic cylinder is provided with a lengthened plug at the end part of the telescopic shaft, and the lengthened plug is provided with an adjusting pin; the elevator is fixed on the base, and an elevator shaft of the elevator extends into the lengthened plug.

When the roller way needs to be lifted, the piston rod of the hydraulic cylinder extends out or retracts, the shaft of the lifting machine slides under the driving of the lengthened plug, and the three connecting rods rotate along the base at the same time under the driving of the shaft of the lifting machine, so that the roller way is lifted.

The above prior art solutions have the following drawbacks: the ascending displacement of vertical side not only can take place for the roll table that goes up and down, and can follow the traffic direction of hot metalwork and take place the skew, the both ends of roll table that goes up and down dock heating furnace and rolling mill respectively, consequently must make the roll table that goes up and down apart from the increase of heating furnace that is close to the heating furnace, perhaps make the roll table that goes up and down that is close to the rolling mill apart from the increase of rolling mill, because the hot metalwork has good elasticity, under the action of gravity, the tip of hot metalwork takes place the bending easily, and the distance that the hot metalwork stretches out on the roll table that goes up and down is longer, the camber is big more, so the hot metalwork just blocks easily and dies the junction at heating furnace and roll.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-saving lift roll table, can make the running roller only take place the ascending displacement of vertical side, avoid the running roller to take place the skew on the traffic direction of hot metal spare, reduce the dead probability of hot metal spare by the card.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an energy-saving lifting roller way comprises a fixed base, a sliding base and a lifting mechanism, wherein a plurality of rollers are rotatably connected to the sliding base, a driving motor for driving the rollers to rotate is also fixedly connected to the sliding base, and an output shaft of the driving motor is coaxially and fixedly connected with the rollers; the lifting mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a first sliding block, a second sliding block and a bidirectional screw rod, one end of the first connecting rod is connected with one end of the sliding base in the length direction in a rotating mode, the rotating shaft of the first connecting rod is parallel to the axis of the roller, the other end of the first connecting rod is connected with the first sliding block, the first sliding block is connected with the fixed base in a sliding mode, one end of the second connecting rod is connected to the fixed base in a rotating mode, the other end of the second connecting rod is connected with the middle of the first connecting rod in a rotating mode, the third connecting rod, the fourth connecting rod, the second sliding block is connected with the first connecting rod, the second connecting rod, the first sliding block is symmetrically arranged, threaded holes are formed in the first sliding block and the second sliding block, and.

By adopting the technical scheme, the third connecting rod, the fourth connecting rod and the second sliding block are symmetrically arranged with the first connecting rod, the second connecting rod and the first sliding block, and when the bidirectional screw rod is rotated, the first sliding block and the second sliding block can slide in opposite directions at the same speed, so that the sliding base can slide up and down, the sliding base cannot slide along the running direction of the hot metal part, and the probability of the hot metal part being clamped is reduced; meanwhile, one end of the sliding base connected with the first connecting rod and one end of the sliding base connected with the third connecting rod can be lifted at the same speed, so that the stability of the sliding base in sliding is improved, the hot metal piece is not prone to falling off from the roller way, and the safety is improved.

The present invention may be further configured in a preferred embodiment as: the fixed base is provided with a first sliding groove and a second sliding groove, the length directions of the first sliding groove and the second sliding groove are perpendicular to the axes of the first connecting rod and the rotating shaft of the sliding base, the first sliding block is connected in the first sliding groove in a clamped mode, and the second sliding block is connected in the second sliding groove in a clamped mode.

Through adopting above-mentioned technical scheme, first slider and second slider slide along first spout and second spout respectively for first slider is difficult for taking place along the axial skew of running roller with the second slider when sliding, and then has improved the stability when elevating system goes up and down, has protected elevating system simultaneously, makes first connecting rod and third connecting rod difficult by the bending damage.

The present invention may be further configured in a preferred embodiment as: the two lifting mechanisms are arranged on the two sides of the hot metal piece in the running direction respectively.

Through adopting above-mentioned technical scheme, sliding base's four angles are supported by two first connecting rods and two second connecting rods respectively, have improved sliding base's stability, and when hot-metal spare passed through the running roller, sliding base was difficult for taking place to tremble for hot-metal spare is difficult to drop from the roll table, and then has improved the security.

The present invention may be further configured in a preferred embodiment as: still be provided with actuating mechanism on the unable adjustment base, actuating mechanism includes double-end motor and two first bevel gears, and double-end motor fixed connection is on unable adjustment base, and two first bevel gears are coaxial fixed connection respectively on two output shafts of double-end motor, and the middle part fixedly connected with second bevel gear of two-way lead screw, two first bevel gears mesh with two second bevel gears respectively.

By adopting the technical scheme, the double-head motor can drive the two double-head screw rods to rotate at the same speed by rotating, so that the synchronism of the two lifting mechanisms during operation is improved, the stability of the sliding base during sliding is further improved, and the safety is further improved; meanwhile, the two lifting mechanisms can synchronously operate, so that the probability that the lifting mechanisms are blocked due to asynchronous operation is reduced, and the lifting mechanisms are protected.

The present invention may be further configured in a preferred embodiment as: fixedly connected with guard plate on the sliding bottom seat, the guard plate setting is at running roller length direction's both ends, and the tip butt of guard plate and running roller.

Through adopting above-mentioned technical scheme, the difficult both ends from running roller length direction that drop when the hot metal spare was moved from the running roller has improved the security.

The present invention may be further configured in a preferred embodiment as: still be provided with the heated board on the sliding bottom seat, the heated board is U-shaped and back-off on sliding bottom seat, and the both sides wall of heated board keeps away from the one end fixed connection at running roller center with two guard plates respectively.

By adopting the technical scheme, the heat dissipation of the hot metal part can be reduced under the protection of the heat insulation plate when the hot metal part is transported by the roller, so that the hot metal part still has good plasticity when entering a rolling mill, and the energy consumption is reduced.

The present invention may be further configured in a preferred embodiment as: the first sliding block comprises a first upper half block and a first lower half block, the second sliding block comprises a second upper half block and a second lower half block, the first upper half block and the second lower half block are detachably connected, and the second upper half block and the second lower half block are also detachably connected; half of the threaded hole on the first sliding block is arranged on the first upper half block, and the other half of the threaded hole on the first sliding block is arranged on the first lower half block; half of the threaded holes in the second sliding block are arranged on the second upper half block, and half of the threaded holes are arranged on the second lower half block.

Through adopting above-mentioned technical scheme, unpack first half with first half, after second first half and second half are unpacked apart, alright take out two-way lead screw from first slider, second slider, so be convenient for change first slider, second slider and two-way lead screw, and then be convenient for elevating system's maintenance.

The present invention may be further configured in a preferred embodiment as: the lifting mechanism further comprises a first positioning pin and a second positioning pin, the second connecting rod and the fourth connecting rod are both provided with a first positioning pin hole, the fixed base is provided with a second positioning pin hole, and the first positioning pin is inserted into the first positioning pin hole and the second positioning pin hole; third positioning pin holes are formed in the first connecting rod and the third connecting rod, fourth positioning pin holes are formed in the sliding base, and the second positioning pin is inserted into the third positioning pin holes and the fourth positioning pin holes. .

By adopting the technical scheme, when the lifting system needs to be maintained, the first positioning pin hole is aligned with the second positioning pin hole, then the first positioning pin is inserted into the first positioning pin hole and the second positioning pin hole, the third positioning pin hole is aligned with the fourth positioning pin hole, and then the second positioning pin is inserted into the third positioning pin hole and the fourth positioning pin hole; so sliding platform just can't be fixed to slide, alright dismantle biax motor, two-way lead screw, first slider, second slider this moment to maintenance or change.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the lifting mechanism, the sliding base can only slide up and down, but cannot slide along the running direction of the hot metal part, so that the probability of the hot metal part being stuck is reduced; meanwhile, one end of the sliding base connected with the first connecting rod and one end of the sliding base connected with the third connecting rod can be lifted at the same speed, so that the stability of the sliding base in sliding is improved, the hot metal piece is not prone to falling off from the roller way, and the safety is improved.

2. Through the arrangement of the driving mechanism, the synchronism of the two lifting mechanisms during operation is improved, the stability of the sliding base during sliding is further improved, and the safety is further improved; meanwhile, the two lifting mechanisms can synchronously operate, so that the probability that the lifting mechanisms are blocked due to asynchronous operation is reduced, and the lifting mechanisms are protected.

3. Through the arrangement of the heat insulation plate, when the hot metal part is transported through the roller, the heat dissipation of the hot metal part can be reduced under the protection of the heat insulation plate, so that the hot metal part still has good plasticity when entering a rolling mill, and the energy consumption is reduced.

4. Through the arrangement of the first positioning pin hole, the second positioning pin hole, the third positioning pin hole, the fourth positioning pin hole, the first positioning pin and the second positioning pin, when the lifting system needs to be maintained, the first positioning pin hole is aligned with the second positioning pin hole, then the first positioning pin is inserted into the first positioning pin hole and the second positioning pin hole, the third positioning pin hole is aligned with the fourth positioning pin hole, and then the second positioning pin is inserted into the third positioning pin hole and the fourth positioning pin hole; so sliding platform just can't be fixed to slide, alright dismantle biax motor, two-way lead screw, first slider, second slider this moment to maintenance or change.

Drawings

FIG. 1 is a schematic view of a partial explosion of the overall structure of the present embodiment;

FIG. 2 is a schematic partial structure diagram in the present embodiment;

FIG. 3 is a partially exploded view of another perspective of the overall structure of the present embodiment;

FIG. 4 is an enlarged view of a portion A of FIG. 2;

FIG. 5 is an enlarged view of a portion B of FIG. 2;

FIG. 6 is an enlarged view of a portion C of FIG. 1;

FIG. 7 is an enlarged view of a portion D of FIG. 1;

FIG. 8 is an enlarged view of a portion E of FIG. 3;

fig. 9 is an enlarged view of a portion F of fig. 3.

Reference numerals: 1. a fixed base; 11. a first chute; 12. a second chute; 13. a first connecting lug; 14. a second engaging lug; 2. a sliding base; 21. a third engaging lug; 22. a fourth engaging lug; 3. a roller; 4. a drive motor; 5. a lifting mechanism; 51. a first link; 52. a second link; 53. a third link; 54. a fourth link; 55. a first slider; 551. a first upper half; 552. a first lower half; 56. a second slider; 561. a second upper half; 562. a second lower half; 57. a bidirectional lead screw; 6. a drive mechanism; 61. a double-headed motor; 62. a first bevel gear; 63. a second bevel gear; 71. a protection plate; 72. a thermal insulation board; 81. a first positioning pin; 82. a first dowel hole; 83. a second dowel hole; 84. a second positioning pin; 85. a third dowel hole; 86. and a fourth dowel hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the embodiment provides an energy-saving lifting roller way, which includes a fixed base 1, a sliding base 2, a lifting mechanism 5, and a driving mechanism 6. The upper end face of the sliding base 2 is rotatably connected with a plurality of rollers 3, the axes of the rollers 3 are parallel to each other, the axes of the rollers 3 are perpendicular to the length direction of the sliding base 2, and the rollers 3 are uniformly distributed along the length direction of the sliding base 2. Still be used for driving running roller 3 pivoted driving motor 4 through a plurality of being used for of bolt fixedly connected with on the sliding bottom seat 2, driving motor 4 and running roller 3 one-to-one, and driving motor 4's output shaft and the 3 coaxial key-connections of running roller.

Two protection plates 71 are welded on the sliding base 2 or fixedly connected with the sliding base through bolts, the two protection plates 71 are respectively arranged at two ends of the length direction of the roller wheel 3, the protection plates 71 are abutted against the end parts of the roller wheel 3, and an output shaft of the driving forging machine penetrates through the protection plates 71 and then is connected with the roller wheel 3. Still be provided with heated board 72 on sliding base 2, heated board 72 is U-shaped and back-off on sliding base 2, and the both sides wall of heated board 72 keeps away from the one end butt at running roller 3 center with two guard plates 71 respectively, and heated board 72 passes through bolt fixed connection on guard plate 71. The insulation board 72 may be made of fiberglass or asbestos.

Referring to fig. 2 and 3, the lifting mechanism 5 includes a first link 51, a second link 52, a third link 53, a fourth link 54, a first slider 55, a second slider 56, and a bidirectional screw 57. The fixing base 1 is provided with a first sliding groove 11 and a second sliding groove 12 along the length direction of the fixing base 1, and the first sliding groove 11 and the second sliding groove 12 are respectively arranged at two ends of the fixing base 1 in the length direction (as shown in fig. 3 and 4).

The first sliding block 55 is clamped in the first sliding groove 11, and the first sliding block 55 is connected with the base in a sliding manner along the length direction of the first sliding groove 11; the second sliding block 56 is clamped in the second sliding groove 12, and the second sliding block is connected with the base in a sliding manner along the length direction of the second sliding groove 12.

The two ends of the sliding base 2 in the length direction are respectively welded or fixedly connected with a third connecting lug 21 and a fourth connecting lug 22 through bolts. One end of the first link 51 is rotatably connected to the third engaging lug 21, and the other end of the first link 51 is rotatably connected to the top end of the first slider 55. One end of the third link 53 is rotatably connected to the fourth engaging lug 22, and the other end of the third link 53 is rotatably connected to the top end of the second slider 56.

The two ends of the length direction of the fixed base 1 are respectively welded or fixedly connected with a first connecting lug 13 and a second connecting lug 14 through bolts, one end of a second connecting rod 52 is rotatably connected with the first connecting lug 13, and the other end of the second connecting rod 52 is rotatably connected with the middle part of the first connecting rod 51. One end of the fourth link 54 is rotatably connected to the second engaging lug 14, and the other end of the fourth link 54 is rotatably connected to the middle portion of the third link 53.

The first connecting rod 51, the second connecting rod 52, the first sliding chute 11, the first sliding block 55 and the first connecting lug 13 are respectively and symmetrically arranged with the third connecting rod 53, the fourth connecting rod 54, the second sliding chute 12, the second sliding block 56 and the second connecting lug 14.

The bidirectional screw 57 is rotatably connected to the fixed base 1, and two ends of the bidirectional screw 57 are respectively in threaded connection with the first slider 55 and the second slider 56.

Elevating system 5, first engaging lug 13, second engaging lug 14 all are provided with two, and elevating system 5, first engaging lug 13, the equal symmetry of second engaging lug 14 set up in the both sides of unable adjustment base 1 length direction.

The driving mechanism 6 comprises a double-headed motor 61 and two first bevel gears 62, the double-headed motor 61 is fixedly connected to the upper end surface of the fixed base 1 through bolts, and the axis of the output shaft of the double-headed motor 61 is perpendicular to the bidirectional screw 57. Two first bevel gears 62 are coaxially keyed to two output shafts of the double-headed motor 61, respectively. Second bevel gears 63 are integrally formed at the middle parts of the two bidirectional screws 57 of the two lifting mechanisms 5, and the two first bevel gears 62 are respectively meshed with the two second bevel gears 63.

Referring to fig. 4, the first slider 55 includes a first upper half 551 and a first lower half 552, the first upper half 551 and the first lower half 552 are detachably connected by a bolt, one end of the first link 51 away from the sliding base 2 is rotatably connected to the first upper half 551, and the first lower half 552 is clamped in the first sliding groove 11. The threaded holes of the first slider 55 are formed in the lower end surface of the first upper half 551 and the upper end surface of the first lower half 552, respectively, and a whole threaded hole is formed after the first upper half 551 and the first lower half 552 are assembled into one first slider 55.

Referring to fig. 5, the second slider 56 includes a second upper half 561 and a second lower half 562, the second upper half 561 and the second lower half 562 are detachably connected through a bolt, one end of the third connecting rod 53, which is far away from the sliding base 2, is rotatably connected to the second upper half 561, and the second lower half 562 is clamped in the second sliding groove 12. The threaded holes of the second slider 56 are respectively formed in the lower end surface of the second upper half 561 and the upper end surface of the second lower half 562, and a whole threaded hole is formed after the second upper half 561 and the second lower half 562 are assembled into one second slider 56.

Referring to fig. 6 and 7, the lifting mechanism 5 further includes a first positioning pin 81, a first positioning pin hole 82 is formed at one end of each of the second connecting rod 52 and the fourth connecting rod 54 close to the fixing base 1, and a plurality of second positioning pin holes 83 are formed on each of the first connecting lug 13 and the second connecting lug 14. The second positioning pin hole 83 formed in the first connecting lug 13 is disposed along the circumferential direction of the rotating shaft of the second connecting rod 52 and the first connecting lug 13, and the second positioning pin hole 83 formed in the second connecting lug 14 is disposed along the circumferential direction of the rotating shaft of the fourth connecting rod 54 and the second connecting lug 14.

After the second connecting rod 52 and the first connecting lug 13 rotate relatively and the fourth connecting rod 54 and the second connecting lug 14 rotate relatively, any one second positioning pin hole 83 can be coaxial with the first positioning pin hole 82, and the positioning pins can be detachably inserted into the first positioning pin hole 82 and the second positioning pin hole 83.

Referring to fig. 8 and 9, the lifting mechanism 5 further includes a second positioning pin 84, a third positioning pin hole 85 is disposed at one end of the first connecting rod 51 and one end of the third connecting rod 53 close to the sliding base 2, and a plurality of fourth positioning pin holes 86 are disposed on the third engaging lug 21 and the fourth engaging lug 22. The fourth positioning pin hole 86 formed in the third engaging lug 21 is circumferentially disposed along the rotating shafts of the first link 51 and the third engaging lug 21, and the fourth positioning pin hole 86 formed in the fourth engaging lug 22 is circumferentially disposed along the rotating shafts of the third link 53 and the fourth engaging lug 22.

After the first connecting rod 51 and the third engaging lug 21 rotate relatively and the third connecting rod 53 and the fourth engaging lug 22 rotate relatively, any one of the fourth positioning pin holes 86 and the third positioning pin hole 85 can be coaxial, and the second positioning pin 84 can be detachably inserted into the third positioning pin hole 85 and the fourth positioning pin hole 86.

The implementation principle of the embodiment is as follows:

when the sliding base 2 needs to be lifted and lowered, the double-head motor 61 is rotated, the two-way screw rods 57 are rotated at the same rotating speed under the driving of the first bevel gear 62 and the second bevel gear 63, so that the two first sliding blocks 55 and the two second sliding blocks 56 are driven to slide in the directions away from each other, and then under the driving of the first connecting rod 51 and the third connecting rod 53, the two ends of the sliding base 2 in the length direction slide up and down at the same speed, so that the stability of the sliding base 2 in the up-and-down sliding process is improved.

When the lifting mechanism 5 needs to be replaced or maintained, any one of the second positioning pin holes 83 is aligned with the first positioning pin hole 82, then the first positioning pin 81 is inserted into the first positioning pin 81 and the second positioning pin hole 83, so that the second connecting rod 52 and the fourth connecting rod 54 cannot rotate, then the first upper half 551 and the first lower half 552 are disassembled, the first connecting rod 51 is rotated, the third positioning pin hole 85 on the first connecting rod 51 is aligned with any one of the fourth positioning pin holes 86 on the third connecting lug 21, and then the second positioning pin 84 is inserted into the third positioning pin hole 85 and the fourth positioning pin hole 86; then, the second upper half 561 and the second lower half 562 are disassembled in the same way, the third connecting rod 53 is rotated to align the third positioning pin hole 85 on the third connecting rod 53 with the fourth positioning pin hole 86 on the fourth connecting lug 22, and then the second positioning pin 84 is inserted into the third positioning pin hole 85 and the fourth positioning pin hole 86; so that the whole sliding base 2 cannot move, and the double-head motor 61, the first bevel gear 62 and the bidirectional screw 57 can be conveniently detached for maintenance or replacement by an operator.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An energy-saving lifting roller way comprises a fixed base (1), a sliding base (2) and a lifting mechanism (5), wherein a plurality of rollers (3) are rotatably connected onto the sliding base (2), a driving motor (4) for driving the rollers (3) to rotate is also fixedly connected onto the sliding base (2), and an output shaft of the driving motor (4) is coaxially and fixedly connected with the rollers (3); it is characterized in that the preparation method is characterized in that,

the lifting mechanism (5) comprises a first connecting rod (51), a second connecting rod (52), a third connecting rod (53), a fourth connecting rod (54), a first sliding block (55), a second sliding block (56) and a bidirectional screw rod (57), one end of the first connecting rod (51) is rotatably connected with one end of the sliding base (2) in the length direction, the rotating shaft of the first connecting rod is parallel to the axis of the roller (3), the other end of the first connecting rod (51) is connected with the first sliding block (55), the first sliding block (55) is connected with the fixed base (1) in a sliding manner, one end of the second connecting rod (52) is rotatably connected on the fixed base (1), the other end of the second connecting rod (52) is rotatably connected with the middle part of the first connecting rod (51), the third connecting rod (53), the fourth connecting rod (54), the second sliding block (56), the first connecting rod (51), the second connecting rod (52) and the first sliding block (55) are symmetrically arranged, threaded holes are formed in the first sliding block (55) and the second sliding block (56), and two ends of the bidirectional lead screw (57) are respectively in threaded connection with the first sliding block (55) and the second sliding block (56).

2. The energy-saving lifting roller way according to claim 1, characterized in that: the fixed base (1) is provided with a first sliding groove (11) and a second sliding groove (12), the length directions of the first sliding groove (11) and the second sliding groove (12) are perpendicular to the axle center of the rotating shaft of the first connecting rod (51) and the sliding base (2), the first sliding block (55) is clamped in the first sliding groove (11), and the second sliding block (56) is clamped in the second sliding groove (12).

3. The energy-saving lifting roller way according to claim 2, characterized in that: the two lifting mechanisms (5) are arranged, and the two lifting mechanisms (5) are respectively arranged on two sides of the hot metal piece in the running direction.

4. The energy-saving lifting roller way according to claim 3, characterized in that: still be provided with actuating mechanism (6) on unable adjustment base (1), actuating mechanism (6) include double-end motor (61) and two first bevel gear (62), double-end motor (61) fixed connection is on unable adjustment base (1), two first bevel gear (62) coaxial fixed connection respectively on two output shafts of double-end motor (61), the middle part fixedly connected with second bevel gear (63) of two-way lead screw (57), two first bevel gear (62) mesh with two second bevel gear (63) respectively.

5. An energy-saving lifting roller way according to any one of claims 1 to 4, characterized in that: fixedly connected with guard plate (71) on sliding base (2), guard plate (71) set up at running roller (3) length direction's both ends, and the tip butt of guard plate (71) and running roller (3).

6. The energy-saving lifting roller way according to claim 5, characterized in that: the sliding base (2) is further provided with an insulation board (72), the insulation board (72) is U-shaped and is reversely buckled on the sliding base (2), and two side walls of the insulation board (72) are fixedly connected with one ends of the two protection boards (71) far away from the center of the roller (3).

7. The energy-saving lifting roller way according to claim 6, characterized in that: the first sliding block (55) comprises a first upper half block (551) and a first lower half block (552), the second sliding block (56) comprises a second upper half block (561) and a second lower half block (562), the first upper half block (551) and the second lower half block (562) are detachably connected, and the second upper half block (561) and the second lower half block (562) are also detachably connected; half of the threaded holes on the first sliding block (55) are formed in the first upper half block (551), and half of the threaded holes are formed in the first lower half block (552); half of the threaded holes in the second slider (56) are formed in the second upper half block (561), and half of the threaded holes are formed in the second lower half block (562).

8. The energy-saving lifting roller way according to claim 7, characterized in that: the lifting mechanism (5) further comprises a first positioning pin (81) and a second positioning pin (84), the second connecting rod (52) and the fourth connecting rod (54) are respectively provided with a first positioning pin hole (82), the fixed base (1) is provided with a second positioning pin hole (83), and the first positioning pin (81) is inserted into the first positioning pin hole (82) and the second positioning pin hole (83); third positioning pin holes (85) are formed in the first connecting rod (51) and the third connecting rod (53), fourth positioning pin holes (86) are formed in the sliding base (2), and the second positioning pins (84) are inserted into the third positioning pin holes (85) and the fourth positioning pin holes (86).