Kiln car for electric heating kiln

Abstract

The utility model discloses a kiln car for an electric heating kiln. The kiln car comprises a traveling car frame, a wheel mechanism, a first shelf, a second shelf, a lifting adjusting mechanism and a third shelf, the wheel mechanism is a traveling mechanism of the rail type tunnel kiln and is fixed below the traveling crane frame; the first layer frame, the second layer frame and the third layer frame are all rectangular plate-shaped components, and the first layer frame, the second layer frame and the third layer frame are arranged on the traveling crane frame in a stacked mode; the lifting adjusting mechanism is arranged on the second layer frame, and the first layer frame and the third layer frame are driven by the lifting adjusting mechanism to relatively ascend / descend in the vertical direction; according to the technical scheme, the three-layer adjustable tunnel kiln car is provided, and the requirement for structural diversity of calcined products is met.

Description

Technical Field

[0001] The utility model belongs to the technical field of auxiliary calcining equipment for electric kilns, and particularly relates to a kiln car for electric heating kilns. Background Art

[0002] The kiln car is the primary accessory equipment used to carry out the roasting operation within the tunnel kiln. Kiln cars are typically square or rectangular, with specifications determined by the kiln structure, effective width, and stacking method. Existing tunnel kiln cars often utilize multiple layers of decking, which provides a better calcination effect for the product being fired. However, the spacing between these decks is often fixed and cannot be adjusted, failing to meet the demand for diverse product structures. Summary of the Invention

[0003] The present invention aims to solve the above problems and provides a kiln car for an electric heating kiln.

[0004] A kiln car for an electric heating kiln comprises: a travelling frame, a wheel mechanism, a first layer frame, a second layer frame, a lifting adjustment mechanism, and a third layer frame; the travelling frame 1 is provided with a load-bearing beam, a frame upright plate, a wheel frame connecting portion, and a traction ring; the travelling frame is provided with two load-bearing beams; the two load-bearing beams are parallel to each other; frame upright plates are provided at both ends of the two load-bearing beams; wheel frame connecting portions are provided at the four corners of the travelling frame; traction rings are provided on the outer end surfaces of the frame upright plates on both sides; the wheel mechanism is fixed to the lower end surface of the wheel frame connecting portion; the first layer frame, the second layer frame, and the third layer frame are all rectangular plate-shaped components, and the first layer frame, the second layer frame, and the third layer frame are stacked on the travelling frame 1; the lifting adjustment mechanism is provided on the second layer frame, and the lifting adjustment mechanism drives the first layer frame and the third layer frame to move up / down relative to each other in the vertical direction.

[0005] The wheel mechanism includes: a track wheel, a wheel arm, and a center axle frame; the wheel arm is arranged horizontally, and there are two track wheels, and the two track wheel axles are connected to the two ends of the wheel arm; the lower end of the center axle frame is axially connected to the center point of the wheel arm; a center axle frame connecting plate is provided on the top of the center axle frame; there are four wheel mechanisms, and the four wheel mechanisms are respectively fixed to the lower end surface of the wheel frame connecting part through the axle frame connecting plate by screws.

[0006] The bottom of the first layer frame is provided with two mutually parallel bottom layer frame plate connecting grooves; the load-bearing beam is embedded in the bottom layer frame plate connecting grooves; the four corners of the first layer frame are provided with ears; the ears are locked and connected to the frame vertical plates by screws; a plurality of first ventilation holes are provided on the end face of the first layer frame; and the four layer frame shaft rods are all vertically arranged on the end face of the first layer frame.

[0007] The second layer frame is provided with a second ventilation hole; the four corners of the second layer frame are provided with second layer frame shaft rod sliding holes; the short sides of the second layer frames on both sides are provided with screw shaft connecting parts; the screw shaft connecting part is arranged at the midpoint between the two second layer frame shaft rod sliding holes on the short sides of both sides of the second layer frame; a worm shaft connecting seat is also provided next to the screw shaft connecting part on the lower end face of the second layer frame.

[0008] The third layer frame is provided with a third ventilation hole; the four corners of the third layer frame are provided with a third layer frame shaft rod sliding hole; an upper screw sliding hole is provided at the midpoint between the two third layer frame shaft rod sliding holes on the short sides of both sides of the third layer frame; and a right-hand nut is fixed on the lower end surface of the upper screw sliding hole.

[0009] The lifting and lowering adjustment mechanism includes: a double helical screw, a screw bearing, a worm gear, a worm, a coupling, and a nut; the double helical screw is formed by a left helical screw, a screw shaft rod, and a right helical screw, and the screw bearing and the worm gear are sleeved on the screw shaft rod; the screw bearing is fixed in the screw shaft connection part; the screw shaft connection parts on both sides of the second layer are equipped with double helical screws, screw bearings, worm gears, and worms; the worms on both sides are connected by a coupling;

[0010] The nut includes a left-hand nut and a right-hand nut; the left-hand nut is fixed to the lower end surface of the lower screw sliding hole; the right-hand nut is fixed to the lower end surface of the upper screw sliding hole; the left-hand nut is sleeved on the left spiral screw; the right-hand nut is sleeved on the right spiral screw.

[0011] The present technical solution provides a kiln car for an electric kiln, comprising: a traveling frame, a wheel mechanism, a first shelf, a second shelf, a lifting and adjusting mechanism, and a third shelf; the wheel mechanism is the traveling mechanism of a rail-type tunnel kiln, and the wheel mechanism is fixed below the traveling frame; the first shelf, the second shelf, and the third shelf are all rectangular plate-shaped components, and the first shelf, the second shelf, and the third shelf are stacked on the traveling frame; the lifting and adjusting mechanism is provided on the second shelf, and the lifting and adjusting mechanism drives the first shelf and the third shelf to move vertically relative to each other. The present technical solution provides a three-layer adjustable tunnel kiln car to meet the needs of diverse structural calcined products. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is an overall schematic diagram of a kiln car used for an electric heating kiln in the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of a kiln car frame for an electric heating kiln in the utility model;

[0014] Figure 3 This is a schematic diagram of the elevation angle axis side of a kiln car frame for an electric heating kiln of the utility model;

[0015] Figure 4This is a schematic diagram of the second frame structure of a kiln car used in an electric heating kiln of the utility model;

[0016] Figure 5 This is an enlarged schematic diagram of the partial structure of a kiln car used in an electric heating kiln of the present invention;

[0017] Figure: 1, traveling frame; 11, load-bearing beam; 12, frame upright; 121, bolt locking hole; 13, wheel frame connection; 14, traction ring; 2, wheel mechanism; 21, track wheel; 22, wheel arm; 23, center axle frame; 3, first layer frame; 31, bottom layer frame plate connection groove; 32, ear edge; 33, first vent hole; 34, layer frame shaft; 35, lower screw slide hole; 39, screw; 4, second layer frame; 41, second vent hole; 42 , second-layer shelf shaft sliding hole; 43, screw shaft connection; 44, worm shaft connection seat; 51, double helical screw; 511, left-handed screw; 512, screw shaft; 513, right-handed screw; 53, worm wheel; 54, worm; 541, polygonal column; 55, coupling; 56, nut; 561, left-handed nut; 562, right-handed nut; 6, third-layer shelf; 61, third vent hole; 62, third-layer shelf shaft sliding hole; 63, upper screw sliding hole. DETAILED DESCRIPTION

[0018] The technical solution will be further clearly and completely described below in conjunction with the accompanying drawings of the technical solution. The described embodiments are only a part of the technical solution, not all embodiments. Based on the technical solution, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this utility model. Example

[0019] See also Figures 1 to 5 As shown, a kiln car for an electric heating kiln comprises: a traveling frame 1, a wheel mechanism 2, a first layer frame 3, a second layer frame 4, a lifting and lowering adjustment mechanism, and a third layer frame 6;

[0020] The vehicle frame 1 is provided with a load-bearing beam 11, a frame upright plate 12, a wheel frame connecting portion 13, and a traction ring 14;

[0021] The traveling frame 1 is provided with two load-bearing beams 11; the two load-bearing beams 11 are parallel to each other; frame uprights 12 are provided at both side ends of the two load-bearing beams 11; wheel frame connecting parts 13 are also provided in the horizontal direction of the connection between the two load-bearing beams 11 and the frame uprights 12; traction rings 14 are provided on the outer end surfaces of the frame uprights 12 on both sides; that is, there are four wheel frame connecting parts 13, and the four wheel frame connecting parts 13 are respectively provided at the four corners of the traveling frame 1.

[0022] The wheel mechanism 2 is the traveling mechanism of the track-type tunnel kiln;

[0023] The wheel mechanism 2 includes: a track wheel 21, a wheel arm 22, and a center axle frame 23;

[0024] The wheel arm 22 is arranged horizontally, and there are two track wheels 21, which are axially connected to the two ends of the wheel arm 22; the lower end of the middle axle frame 23 is axially connected to the center point of the wheel arm 22; a middle axle frame connecting plate is provided on the top of the middle axle frame 23; there are four wheel mechanisms 2, and the four wheel mechanisms 2 are respectively fixed to the lower end surface of the wheel frame connecting part 13 through the middle axle frame connecting plate by screws.

[0025] The first frame 3 is a rectangular plate-shaped member; two bottom frame plate connecting grooves 31 are provided at the bottom of the first frame 3; the two bottom frame plate connecting grooves 31 are parallel to each other, and the two bottom frame plate connecting grooves 31 correspond to the two load-bearing beams 11; ears 32 are provided at the corners of the first frame 3; bolt through holes are provided at the ears 32;

[0026] The frame upright plate 12 is provided with bolt locking holes 121 on both sides of the vertical surface; the bolt locking holes 121 correspond to the bolt through holes on the ear edge 32;

[0027] The load-bearing beam 11 is embedded in the bottom frame plate connection groove 31; the screw 39 passes through the bolt through hole and the bolt locking hole 121 and is threadedly locked, so that the first frame 3 can be fixedly connected to the traveling frame 1;

[0028] A plurality of first ventilation holes 33 are provided on the end face of the first shelf 3; shelf shafts 34 are also provided at the four corners on the end face of the first shelf 3; the four shelf shafts 34 are all vertically arranged on the end face of the first shelf 3; lower screw sliding holes 35 are provided on the short sides of both sides of the first shelf 3; the central axis of the lower screw sliding hole 35 is at the midpoint between the two shelf shafts 34; that is, vertical shelf shafts 34 and lower screw sliding holes 35 are provided at the corners on the end face of the first shelf 3, and the shelf shafts 34 and the lower screw sliding holes 35 are parallel to each other; the four second shelf shaft sliding holes 41 are sleeved on the four shelf shafts 34.

[0029] The second layer frame 4 is a rectangular plate-shaped component; a second ventilation hole 41 is provided on the second layer frame 4; the four corners of the second layer frame 4 are provided with a second layer frame shaft rod sliding hole 42; the short sides of the second layer frames 4 on both sides are provided with a screw shaft connection part 43; the screw shaft connection part 43 is arranged at the midpoint between the two second layer frame shaft rod sliding holes 42 on the short sides of both sides of the second layer frame 4; a worm shaft connection seat 44 is also provided next to the screw shaft connection part 43 on the lower end surface of the second layer frame 4.

[0030] The lifting and lowering adjustment mechanism includes: a double helical screw 51, a screw bearing, a worm wheel 53, a worm 54, a coupling 55, and a nut 56;

[0031] There are two of each of the double helical screw 51, screw bearing, worm wheel 53 and worm 54;

[0032] The double helical screw 51 is integrally formed by a left helical screw 511, a screw shaft 512, and a right helical screw 513; the screw shaft is arranged between the left and right helical screws; the screw bearing and the worm gear 53 are sleeved on the screw shaft; the screw bearing is fixed to the screw shaft connection portion 43; that is, the double helical screw 51 is axially connected to the screw shaft connection portion 43 of the second frame 4 through the screw bearing;

[0033] The worm 54 is connected to the worm shaft seat 44; the worm 54 is meshed with the worm wheel 53 for transmission;

[0034] The axis centers of the two worms 54 are on the same straight line; the two worms 54 are connected by a coupling 55; a polygonal column 541 is provided on the outer side of the two worms 54;

[0035] The outer end surface specifications of the polygonal column 541 are the same as those of the existing M20 nut;

[0036] The nut 56 includes a left-handed nut 561 and a right-handed nut 562; the left-handed nut 561 and the right-handed nut 562 are respectively arranged on the first shelf 3 and the third shelf 6;

[0037] The left-hand nut 561 is fixed to the lower end surface of the lower screw sliding hole 35 .

[0038] The third shelf 6 has the same structure as the second shelf 4;

[0039] The third shelf 6 is also a rectangular plate-shaped member; a third vent hole 61 is provided on the third shelf 6; a third shelf shaft slide hole 62 is provided at each of the four corners of the third shelf 6; an upper screw slide hole 63 is provided at the midpoint between the two third shelf shaft slide holes 62 on the short sides of the third shelf 6; a right-hand screw nut 562 is fixed to the lower end surface of the upper screw slide hole 63;

[0040] The second shelf shaft rod sliding hole 42 and the third shelf shaft rod sliding hole 62 are sleeved on the shelf shaft rod 34;

[0041] The left-hand nut 561 is sleeved on the left-hand screw 511 ; the right-hand nut 562 is sleeved on the right-hand screw 513 .

[0042] The first layer frame 3, the second layer frame 4 and the third layer frame 6 are stacked on the traveling frame 1; the worm 54 is twisted with an adjustable wrench or a ratchet wrench 6, and the ratchet socket 61 at the end of the ratchet wrench 6 is sleeved on the polygonal column 541 at one end of the worm 54; the worm 54 drives the double helical screw 51 to rotate through the worm gear; after the double helical screw 51 rotates, the first layer frame 3 and the third layer frame 6 below and above the second layer frame 4 move up / down relative to each other in the vertical direction; that is, the first layer frame 3, the second layer frame 4 and the third layer frame 6 are stacked on the traveling frame 1; the lifting and lowering adjustment mechanism is provided on the second layer frame 4, and the first layer frame 3 and the third layer frame 6 are driven to move up / down relative to each other through the lifting and lowering adjustment mechanism.

Claims

1. A kiln car for an electric heating kiln, comprising: A traveling frame (1), a wheel mechanism (2), a first layer frame (3), a second layer frame (4), a lifting and adjusting mechanism, and a third layer frame (6); characterized in that: the traveling frame (1) is provided with a load-bearing beam (11), a frame vertical plate (12), a wheel frame connecting portion (13), and a traction ring (14); the traveling frame (1) is provided with two load-bearing beams (11); the two load-bearing beams (11) are parallel to each other; both ends of the two load-bearing beams (11) are provided with a frame vertical plate (12); the four corners of the traveling frame (1) are provided with a wheel frame connecting portion (13); A traction ring (14) is provided on the outer end surface of a vehicle frame upright plate (12); a wheel mechanism (2) is a traveling mechanism of a track-type tunnel kiln; the wheel mechanism (2) is fixed to the lower end surface of a wheel frame connecting portion (13); the first layer frame (3), the second layer frame (4), and the third layer frame (6) are all rectangular plate-shaped components, and the first layer frame (3), the second layer frame (4), and the third layer frame (6) are stacked on the traveling vehicle frame (1); a lifting and adjusting mechanism is provided on the second layer frame (4), and the lifting and adjusting mechanism drives the first layer frame (3) and the third layer frame (6) to move vertically relative to each other.

2. The kiln car for an electric heating kiln according to claim 1, characterized in that: The wheel mechanism (2) comprises: a track wheel (21), a wheel arm (22), and a center axle frame (23); the wheel arm (22) is arranged horizontally, and two track wheels (21) are provided, and the two track wheels (21) are axially connected to the two ends of the wheel arm (22); the lower end of the center axle frame (23) is axially connected to the center point of the wheel arm (22); a center axle frame connecting plate is provided on the top of the center axle frame (23); four wheel mechanisms (2) are provided, and the four wheel mechanisms (2) are respectively fixed to the lower end surface of the wheel frame connecting part (13) through the center axle frame connecting plate by screws.

3. The kiln car for an electric heating kiln according to claim 2, characterized in that: The bottom of the first layer frame (3) is provided with two mutually parallel bottom layer frame plate connecting grooves (31); the load-bearing beam (11) is embedded in the bottom layer frame plate connecting groove (31); the four corners of the first layer frame (3) are provided with ear edges (32); the ear edges (32) are locked and connected to the vehicle frame vertical plate (12) by screws; a plurality of first ventilation holes (33) are provided on the end surface of the first layer frame (3); and four layer frame shaft rods (34) are vertically arranged on the end surface of the first layer frame (3).

4. The kiln car for an electric heating kiln according to claim 3, characterized in that: The second layer frame (4) is provided with a second vent hole (41); the four corners of the second layer frame (4) are provided with a second layer frame shaft rod sliding hole (42); the short sides of the second layer frame (4) on both sides are provided with a screw shaft connecting portion (43); the screw shaft connecting portion (43) is arranged at the midpoint between the two second layer frame shaft rod sliding holes (42) on the short sides of the two sides of the second layer frame (4); and a worm shaft connecting seat (44) is also provided next to the screw shaft connecting portion (43) on the lower end surface of the second layer frame (4).

5. The kiln car for an electric heating kiln according to claim 4, characterized in that: The third layer frame (6) is provided with a third ventilation hole (61); the four corners of the third layer frame (6) are provided with a third layer frame shaft rod sliding hole (62); an upper screw sliding hole (63) is provided at the midpoint between the two third layer frame shaft rod sliding holes (62) on the short sides of both sides of the third layer frame (6); a right-hand nut (562) is fixed to the lower end surface of the upper screw sliding hole (63).

6. The kiln car for an electric heating kiln according to claim 5, characterized in that: The lifting and lowering adjustment mechanism comprises: a double helical screw (51), a screw bearing, a worm wheel (53), a worm (54), a coupling (55), and a nut (56); the double helical screw (51) is formed as a whole by a left helical screw (511), a screw shaft (512), and a right helical screw (513); the screw bearing and the worm wheel (53) are sleeved on the screw shaft; the screw bearing is fixed in the screw shaft connection part (43); the screw shaft connection parts (43) on both sides of the second layer frame (4) are provided with a double helical screw (51), a screw bearing, a worm wheel (53), and a worm (54); the worm wheels (54) on both sides are connected by a coupling (55); The nut (56) includes a left-handed nut (561) and a right-handed nut (562); the left-handed nut (561) is fixed to the lower end surface of the lower screw slide hole (35); the left-handed nut (561) is sleeved on the left-handed screw (511); and the right-handed nut (562) is sleeved on the right-handed screw (513).

Images