WO2021023269A1

WO2021023269A1 - Steel ingot insulated van

Info

Publication number: WO2021023269A1
Application number: PCT/CN2020/107465
Authority: WO
Inventors: 凌斌; 张书林; 李志鹏; 邹峰; 万丰; 尹辉; 方超; 黄祎; 黄誉发; 雷鹏; 王念龙
Original assignee: 中车株洲车辆有限公司
Priority date: 2019-08-08
Filing date: 2020-08-06
Publication date: 2021-02-11

Abstract

Disclosed is a steel ingot insulated van, wherein two first guide positioning devices (3) of the steel ingot insulated van are provided, and the two first guide positioning devices (3) are respectively arranged on two opposite sides of the top of a van body (1); an insulation cover (2) operably covers the top of the van body (1); two second guide positioning devices (4) are provided, and the two second guide positioning devices (4) are respectively arranged on two opposite sides of the insulation cover (2); and the second guide positioning devices (4) and the first guide positioning devices (3) are arranged in a one-to-one-correspondence manner, and the second guide positioning devices (4) can cooperate with the corresponding first guide positioning devices (3) so as to rapidly cover the top of the van body (1) with the insulation cover (2).

Description

Steel ingot holding car

Cross references to related applications

This application requires a Chinese patent application filed on August 8, 2019, with an application number of 201910728250.X and the name "Steel Ingot Holding Vehicle", and a Chinese patent application filed on August 8, 2019, with an application number of 201921284914.X and the name " The priority of the Chinese patent application of "Steel Ingot Holding Truck", the entire content of which is incorporated herein by reference.

Technical field

The present disclosure belongs to the technical field of railway transportation, and particularly relates to a steel ingot holding vehicle.

Background technique

The latent heat and sensible heat of the steel ingot after casting are used to realize a soaking direct rolling method with no energy consumption and less oxidation, which can achieve significant effects of energy saving and reduction of burning loss. The holding truck is a special vehicle for transporting steel ingots that need to be kept at a temperature, so that the steel ingots can maintain a certain temperature during transportation.

The applicant of the present disclosure found at least the following shortcomings in the prior art: In the prior art, the steel ingot holding truck has an unsatisfactory thermal insulation effect during the process of conveying the steel ingot, so it needs to be reheated in the subsequent steel ingot pressing process. This not only wastes energy, but also reduces production efficiency.

Therefore, it is necessary to improve the existing technology to improve the heat preservation effect of the steel ingot in the process of conveying the steel ingot.

Summary of the invention

In view of the above-mentioned problems in the prior art, the present disclosure provides a steel ingot warming vehicle to improve the thermal insulation effect of the steel ingot in the process of conveying the steel ingot.

In one aspect of the present disclosure, there is provided a steel ingot holding vehicle, which may include: a vehicle body; a first guide positioning device, the first guide positioning device may be provided with two, and two first guides Positioning devices can be respectively arranged on two opposite sides of the top of the vehicle body; a heat preservation cover, the heat preservation cover is operably arranged on the top of the vehicle body; a second guide positioning device, the second guide positioning There may be two devices, and the two second guiding and positioning devices may be respectively arranged on two opposite sides of the heat preservation cover; the second guiding and positioning devices and the first guiding and positioning devices may be arranged in one-to-one correspondence And the second guiding and positioning device can cooperate with the corresponding first guiding and positioning device to quickly cover the heat preservation cover on the top of the vehicle body.

In some embodiments of the present disclosure, the first guiding and positioning device may include two first guiding and positioning blocks, and the two first guiding and positioning blocks may be arranged on the side of the top of the vehicle body at intervals The second guide positioning device may include a second guide positioning block, and the second guide positioning block may be fixedly arranged at the bottom of the outer side of the heat preservation cover; the second guide positioning block can be operably slidably embedded Are arranged in the two first guiding and positioning blocks of the corresponding first guiding and positioning device.

In some embodiments of the present disclosure, in the first guiding and positioning device, the distance between the bottoms of the opposite sides of the two first guiding and positioning blocks may be less than the distance between the two first guiding and positioning blocks. Correspondingly, in the second guide positioning device corresponding to the first guide positioning device, the second guide positioning block faces two of the first guide positioning blocks The distance between the bottoms of the two side surfaces may be smaller than the distance between the tops of the two side surfaces of the second guide positioning block facing the two first guide positioning blocks.

In some embodiments of the present disclosure, in the first guiding and positioning device, the two opposite sides of the first guiding and positioning block may be provided with grooves, and the groove corresponding to the first guiding and positioning device The second guiding and positioning blocks of the second guiding and positioning device may be embedded in the grooves of the two first guiding and positioning blocks.

In some embodiments of the present disclosure, the two first guiding and positioning devices may be respectively arranged on both sides of the longitudinal direction of the top of the vehicle body; correspondingly, the two second guiding and positioning devices may be respectively arranged on The two sides of the heat preservation cover in the length direction.

In some embodiments of the present disclosure, the steel ingot holding vehicle may further include: a steel ingot guide and positioning block, and the steel ingot guide and positioning block may be relatively disposed on the top of the roof along the length direction of the vehicle body, In addition, the tops of the two sides in the width direction of the steel ingot guide positioning block may be provided with chamfers.

In some embodiments of the present disclosure, the steel ingot holding vehicle may further include: a reinforced cross beam, the reinforced cross beam may be provided with at least two, and at least two of the reinforced cross beam may be along the length direction of the vehicle body Are arranged on the top of the vehicle body at intervals in sequence.

In some embodiments of the present disclosure, the steel ingot insulation vehicle may further include: a diatomite insulation brick layer, and the diatomite insulation brick layer may be laid on the top of the vehicle body.

In some embodiments of the present disclosure, the thermal insulation cover may include a cover body and thermal insulation cotton, wherein: the cover body may be a box type with an open bottom; the thermal insulation cotton may be fixedly arranged on the cover body And the thermal insulation cotton may be aluminum silicate fiber cotton; the thickness of the aluminum silicate fiber cotton may be 200mm, and the thermal conductivity of the aluminum silicate fiber cotton may be 0.2W/nk; The aluminum silicate fiber cotton can be compressed and fixedly arranged on the inner wall of the cover body in a block shape.

In some embodiments of the present disclosure, the heat preservation cover may further include: ear components, at least two of the ear components may be provided on the outer sides of both sides in the width direction of the cover body, and each The lifting lug assembly may include a first lifting lug and a second lifting lug; both the first lifting lug and the second lifting lug may be fixedly arranged on the outside of the side of the width direction of the cover, and the first lifting lug The lifting lug may have a ring shape, and the second lifting lug may be a semi-hook shape with an opening facing downward.

The beneficial effects of the present disclosure include at least the following:

In the steel ingot holding vehicle provided by the present disclosure, the two first guiding and positioning devices are respectively arranged on two opposite sides of the top of the vehicle body, and there are two second guiding and positioning devices, and the two second guiding and positioning devices are respectively arranged on The two opposite sides of the heat preservation cover, and the second guide positioning device and the first guide positioning device are arranged in one-to-one correspondence, and the second guide positioning device can cooperate with the corresponding first guide positioning device, when the steel ingot is hoisted on the car body Later, when the heat preservation cover needs to be installed on the car body, the heat preservation cover is lifted, and the second guide positioning device and the corresponding first guide positioning device cooperate with each other to quickly cover the heat preservation cover on the top of the car body In order to reduce the operation time required to install the heat preservation cover on the car body, thereby reducing the heat loss, it can improve the heat preservation effect of the steel ingot in the process of conveying the steel ingot by the steel ingot holding car.

Description of the drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the following will briefly introduce the drawings that need to be used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

Figure 1 is a schematic structural diagram of a steel ingot holding vehicle according to an embodiment of the present disclosure;

Figure 2 is a schematic diagram of the structure of the car body of Figure 1;

Figure 3 is a schematic side view of Figure 2;

Figure 4 is a schematic top view of Figure 2;

Fig. 5 is a schematic diagram of the cooperation of the first guiding and positioning device and the second guiding and positioning device of Fig. 1;

Fig. 6 is a schematic structural diagram of the heat preservation cover of Fig. 1;

Fig. 7 is a schematic structural diagram of the lifting lug assembly of Fig. 6; and

Fig. 8 is a schematic diagram of the structure of the escort room in Fig. 1.

detailed description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present disclosure.

The embodiments of the present disclosure provide a steel ingot holding vehicle to improve the thermal insulation effect of the steel ingot during the process of conveying the steel ingot.

Fig. 1 is a schematic structural diagram of a steel ingot holding vehicle according to an embodiment of the present disclosure. As shown in FIG. 1, a steel ingot heat preservation vehicle according to some embodiments of the present disclosure may mainly include a vehicle body 1 and a heat preservation cover 2, and the heat preservation cover 2 is operatively arranged on the top of the vehicle body 1 to prevent The steel ingots hoisted on the car body 1 are insulated.

Fig. 2 is a schematic diagram of the structure of the vehicle body in Fig. 1. Fig. 3 is a schematic side view of Fig. 2. Fig. 4 is a schematic top view of Fig. 2. With reference to FIGS. 2 to 4, in some embodiments of the present disclosure, two first guiding and positioning devices 3 may be provided, and the two first guiding and positioning devices 3 may be respectively provided on opposite sides of the top of the vehicle body 1.

As shown in Figure 1, in some embodiments of the present disclosure, two second guide positioning devices 4 may also be provided, and the two second guide positioning devices 4 are respectively provided on opposite sides of the heat preservation cover 2. The two guiding positioning devices 4 and the first guiding positioning device 3 can be arranged one to one; the second guiding positioning device 4 can cooperate with the corresponding first guiding positioning device 3 to quickly cover the heat preservation cover 2 on the car body 1 On the top. When the steel ingot is hoisted on the car body 1, when it is necessary to cover the heat preservation cover 2 on the car body 1, the heat preservation cover 2 is lifted, and the second guide positioning device 4 and the corresponding first guide positioning device 3 cooperate with each other. The heat preservation cover 2 is quickly placed on the top of the car body 1 to reduce the operation time required to cover the heat preservation cover 2 on the car body 1, thereby reducing heat loss, thereby improving the conveying of the steel ingots The insulation effect of the steel ingot in the process.

Fig. 5 is a schematic diagram of cooperation between the first guiding and positioning device and the second guiding and positioning device in Fig. 1. With reference to Figures 1, 2 and 5, in some embodiments of the present disclosure, the first guiding positioning device 3 may include two first guiding positioning blocks 3.1, and the two first guiding positioning blocks 3.1 may be arranged at intervals On the side of the top of the vehicle body 1; and the second guide positioning device 4 may include a second guide positioning block 4.1, and the second guide positioning block 4.1 may be fixedly arranged at the bottom of the outer side of the heat preservation cover 2; a second guide positioning block 4.1 It is operatively slidable and embedded in the two first guide positioning blocks 3.1 of the corresponding first guide positioning device 3 to guide the heat preservation cover 2 when hoisting, and to position the heat preservation cover 2 after hoisting.

As shown in FIG. 3, in some embodiments of the present disclosure, in the first guiding positioning device 3, the distance between the bottoms of the two first guiding positioning blocks 3.1 opposite sides may be smaller than the two first guiding positioning The distance between the tops of the opposite sides of the block 3.1, that is, the top of the car body 1 between the two first guiding and positioning blocks 3.1 and the two first guiding and positioning blocks 3.1, can form an isosceles trapezoid with a wide top and a narrow bottom. Correspondingly, in the second guide positioning device 4 corresponding to the first guide positioning device 3, the distance between the bottoms of the second guide positioning block 4.1 facing the two sides of the two first guide positioning blocks 3.1 may be less than The distance between the tops of the second guide positioning block 4.1 facing the two sides of the two first guide positioning blocks 3.1, that is, the cross section of the second guide positioning block 4.1 can also be an isosceles trapezoid with a wide top and a narrow bottom; When the cover 2 is hoisted to the car body 1, the operator first hoist the second guide positioning block 4.1 between the two first guide positioning blocks 3.1, and then use the bevel of the isosceles trapezoid to quickly lift the guide cover 2 Positioned on the car body 1.

With reference to Figures 1 and 2, in some embodiments of the present disclosure, two first guiding and positioning devices 3 may be respectively arranged on both sides of the longitudinal direction of the top of the vehicle body 1; correspondingly, two second guiding and positioning devices 3 It can be respectively arranged on both sides of the length direction of the heat preservation cover 2. In some embodiments of the present disclosure, a first guide positioning device 3 may also be provided on both sides of the vehicle body 1 in the width direction; correspondingly, the two sides of the heat preservation cover 2 in the width direction may also be provided with A second guiding positioning device 4 corresponding to a guiding positioning device 3; in this way, the positioning effect of the guiding cover 2 on the vehicle body 1 can be further improved, thereby improving the stability of the thermal insulation cover 2 during transportation.

As shown in FIG. 5, in some embodiments of the present disclosure, in the first guiding and positioning device 3, the two opposite sides of the first guiding and positioning blocks 3.1 may be provided with grooves 3.2; and the first guiding and positioning device 3 The second guide positioning block 4.2 of the corresponding second guide positioning device 4 can be embedded in the grooves 3.2 of the two first guide positioning blocks 3.1 to form a state as shown in FIG. 5; this can further limit the heat preservation cover 2 in The positions in the length direction and width direction of the vehicle body further improve the stability of the thermal insulation cover 2 during transportation.

With reference to Figures 2, 3, and 4, in some embodiments of the present disclosure, the steel ingot holding vehicle may further include a steel ingot guiding and positioning block 5; the steel ingot guiding and positioning block 5 may be relatively disposed on the roof 1 along the length of the vehicle body Chamfers can be provided on the top of the steel ingot guide and the tops of both sides in the width direction of the ingot guide positioning block 5. The height of the steel ingot guide positioning block 5 and the height of the insulation cover 2 can be roughly the same. Its function is to separate the steel ingots hoisted to the car body 1 to prevent the impact caused by the collision of the steel ingots during the hoisting process; and the steel ingot guide positioning block 5 The chamfers provided on the tops of both sides in the width direction can facilitate the hoisting of the steel ingot, thereby realizing the quick hoisting of the steel ingot in place.

As shown in FIG. 2, in some embodiments of the present disclosure, the steel ingot holding vehicle may further include a reinforced cross beam 6; the reinforced cross beam 6 may be provided with at least two, and the at least two reinforced cross beams 6 may extend along the vehicle body 1 The longitudinal direction is arranged on the top of the car body 1 at intervals; in this way, the steel ingots can be hoisted on the two reinforcing beams 6 to prevent the steel ingots from directly contacting the top floor of the car body 1 and prevent the heat of the steel ingots from being transferred to the top of the car body 1 The external environment can improve the heat preservation effect of the steel ingot during the process of conveying the steel ingot.

In some embodiments of the present disclosure, the steel ingot insulation vehicle may further include a diatomite insulation brick layer 7; the diatomite insulation brick layer 7 may be laid on the top of the vehicle body 1, and the diatomite insulation brick layer The thickness of the layer 7 can be 200 mm, so that the steel ingot heat-preserving car has good heat preservation performance, can well heat and keep the steel ingot, and prevent the car body 1 from being deformed by heat.

As shown in Figure 1, in some embodiments of the present disclosure, the bottom of the car body 1 can be supported by the bogie 8, so that the steel ingot holding car has the advantage of transporting on the railway, and the steel ingot holding car’s transportation efficiency is improved. Ability to further reduce the transportation time of steel ingots during transportation.

In some embodiments of the present disclosure, the bogie 8 can be a three-axle welded frame type bogie, which can effectively reduce the unsprung quality of the steel ingot insulation truck, and can adapt the steel ingot insulation truck to poor self-supplied by metallurgical enterprises Railway lines, thereby maximizing the operating performance of the ingot holding car, and reducing the overhaul and maintenance cycle of the bogie.

Fig. 6 is a schematic diagram of the structure of the heat preservation cover in Fig. 1. As shown in FIG. 6, in some embodiments of the present disclosure, the thermal insulation cover 2 may include a cover 2.1 and thermal insulation cotton. Among them, the cover 2.1 can be a box type with an open bottom, and the thermal insulation cotton can be fixed on the inner wall of the cover 2.1; the thermal insulation cotton 2.1 can be aluminum silicate fiber cotton with a thickness of 200 mm; the thermal insulation cotton 2.1 The thermal conductivity can be 0.2W/nk, and can be compressed and fixedly arranged on the inner wall of the cover 2.1. When the heat preservation cover 2 is hoisted to the car body 1, the heat preservation cover 2 and the car body 1 can form a closed cavity. This type of heat preservation cover 2 can ensure that the temperature drop of the steel ingot during transportation is less than 10°C/h.

In some embodiments of the present disclosure, the block size of the thermal insulation cotton 2.1 may be 1000 mm×1000 mm, and it may be installed on the inner wall of the cover 2.1 by bolts or splints.

As shown in Figure 6, in some embodiments of the present disclosure, a lifting device may be provided on the top of the cover 2.1, and the lifting device may include two first I-beams 2.2 and a plurality of second I-beams 2.3. ; The two first I-beams 2.2 can be oppositely arranged on the top of the cover body 2.1 along the length direction of the insulation cover, and the two first I-beams 2.2 can be connected by a plurality of second I-beams 2.3 arranged at intervals; A plurality of second I-beams 2.3 can also be fixedly arranged on the top of the cover body 2.1. When hoisting the insulation cover 2 to the car body 1, the upper part of the first I-beam 2.2 is grasped by the hoisting tool to realize hoisting The purpose of the insulation cover 2.

In some embodiments of the present disclosure, reinforcing ribs may be provided on the outer wall of the cover 2.1 along the length, width, and vertical directions of the vehicle body to ensure the rigidity of the thermal insulation cover.

As shown in FIG. 6, in some embodiments of the present disclosure, the heat preservation cover may further include lifting lug assemblies 9; at least two lifting lug assemblies 9 may be provided on the outer sides of both sides in the width direction of the cover 2.1. Fig. 7 is a schematic structural diagram of the lifting lug assembly in Fig. 6. As shown in FIG. 7, in some embodiments of the present disclosure, each ear assembly 9 may include a first ear 9.1 and a second ear 9.2; both the first ear 9.1 and the second ear 9.2 may It is fixedly arranged on the outside of the side of the width direction of the cover 2.1, and the first lifting lug 9.1 may be ring-shaped, and the second lifting lug 9.2 may be a half hook shape with an opening downward; when the insulation cover 2 is overhauled, The heat preservation cover 2 can be quickly and vertically hoisted through the second lifting lugs 9.2; and the first lifting lugs 9.1 can be quickly turned over through the first lifting lugs 9.1, so as to facilitate the maintenance of the heat preservation cover.

As shown in FIG. 1, in some embodiments of the present disclosure, an escort room 10 may also be provided on the top of the vehicle body 1; the escort room 10 and the thermal insulation cover 2 may be arranged side by side on the top of the vehicle body 1, and The escort room 10 can keep track of the status of the steel ingots in a timely manner in the transit state.

Fig. 8 is a schematic diagram of the structure of the escort room in Fig. 1. With reference to Figures 1 and 8, in some embodiments of the present disclosure, the escort room 10 may be a rectangular parallelepiped, which may include a top 10.1, an end wall 10.2, and a tie rod 10.3; wherein the top 10.1 may be located directly above the car body 1. , And the longitudinal sides of the top 10.1 can be fixed on the top of the car body 1 through the end wall 10.2 and the tie rod 10.3; the end wall 10.2 can be set on the side close to the direction of the insulation cover 2, and the end wall 10.2 The inner wall can also be provided with a thermal insulation layer 10.4, and the thermal insulation layer 10.4 can be made of aluminum silicate fiber cotton consistent with the thermal insulation cover 2, so as to effectively insulate and prevent heat radiation to the escorts; and the tie rod 10.3 can be set On the side away from the heat preservation cover 2, the escort personnel can enter the escort room 10 through the tie rod 10.3 to grasp the status of the steel ingot in time in the transfer state.

In some embodiments of the present disclosure, through the cooperation of the first guide positioning device 3 and the second guide positioning device 4, the guide cover 2 can be quickly assembled to the vehicle body 1, thereby reducing the need to install the heat preservation cover on the vehicle body 1. The operation time required on the car body, thereby reducing the heat loss, can improve the heat preservation effect of the steel ingot during the conveying of the steel ingot by the steel ingot holding car; and the setting of the ingot guide positioning block 5 prevents the occurrence of the steel ingot during the hoisting process The impact caused by the collision; and the arrangement of the reinforced beam 6 can prevent the steel ingot from directly contacting the top floor of the car body 1, and prevent the heat of the steel ingot from being transferred to the outside through the top of the car body 1, thereby improving the insulation effect of the steel ingot; The setting can increase the insulation performance of the steel ingot holding truck; the setting of the bogie can improve the ability of the ingot holding truck to transport the steel ingots, thereby further reducing the transportation time of the steel ingot during the transportation; the setting of the escort room 10 can be used in the transfer To grasp the status of steel ingots in a timely manner provides a new solution for realizing the environmental protection and economic transportation of steel ingots.

The following examples are preferred implementations of the present disclosure, which are only used to facilitate the description of the present disclosure, and are not intended to limit the present disclosure in any form. Anyone with ordinary knowledge in the technical field, if not deviating from Within the scope of the technical features of the present disclosure, the equivalent embodiments that are partially changed or modified using the technical content disclosed in the present disclosure and do not deviate from the technical features of the present disclosure still belong to the technology of the present disclosure Within the range of features.

Claims

A steel ingot holding vehicle, including:

Car body

There are two first guiding and positioning devices, and the two first guiding and positioning devices are respectively arranged on opposite sides of the top of the vehicle body;

A heat preservation cover, the heat preservation cover is operably arranged on the top of the vehicle body; and

The second guiding and positioning device is provided with two second guiding and positioning devices, and the two second guiding and positioning devices are respectively arranged on opposite sides of the heat preservation cover; the second guiding and positioning device and the The first guiding and positioning devices are arranged in one-to-one correspondence, and the second guiding and positioning devices can cooperate with the corresponding first guiding and positioning devices to quickly cover the thermal insulation cover on the top of the vehicle body .
The steel ingot holding vehicle according to claim 1, wherein the first guiding and positioning device includes two first guiding and positioning blocks, and the two first guiding and positioning blocks are arranged at intervals on the sides of the top of the vehicle body on;

The second guiding and positioning device includes a second guiding and positioning block, and the second guiding and positioning block is fixedly arranged at the bottom of the outer side of the heat preservation cover; and

The second guide positioning block is operably slidably embedded in the two first guide positioning blocks of the corresponding first guide positioning device.
The steel ingot holding vehicle according to claim 2, wherein the distance between the bottoms of the opposite sides of the two first guide positioning blocks in the first guide positioning device is smaller than that of the two first guides The distance between the tops of the opposite sides of the positioning block; and

In the second guide positioning device corresponding to the first guide positioning device, the distance between the bottoms of the second guide positioning block facing the two side surfaces of the two first guide positioning blocks is smaller than the The distance between the tops of the two side surfaces of the second guide positioning block facing the two first guide positioning blocks.
The steel ingot holding vehicle according to claim 3, wherein, in the first guiding and positioning device, two opposite sides of the first guiding and positioning blocks are provided with grooves and corresponding to the first guiding and positioning device The second guide positioning block of the second guide positioning device can be embedded in the grooves of the two first guide positioning blocks.
The steel ingot holding vehicle according to claim 1, wherein the two first guiding and positioning devices are respectively arranged on both sides of the longitudinal direction of the top of the vehicle body; and

The two second guide positioning devices are respectively arranged on both sides of the length direction of the heat preservation cover.
The steel ingot holding vehicle according to claim 1, further comprising:

A steel ingot guiding and positioning block is provided on the top of the roof of the vehicle in the longitudinal direction of the vehicle body, and the tops on both sides of the width direction of the steel ingot guiding and positioning block are provided with chamfers.
The steel ingot holding vehicle according to claim 1, further comprising:

There are at least two reinforced cross beams, and the at least two reinforced cross beams are arranged on the top of the vehicle body at intervals along the length direction of the vehicle body.
The steel ingot holding vehicle according to claim 7, further comprising:

The diatomite heat-insulating brick layer is laid on the top of the vehicle body.
The steel ingot heat preservation vehicle according to claim 1, wherein the heat preservation cover comprises:

A cover, the cover is in the shape of a box with an open bottom; and

Thermal insulation cotton, the thermal insulation cotton is fixedly arranged on the inner wall of the cover, and the thermal insulation cotton is aluminum silicate fiber cotton; the thickness of the aluminum silicate fiber cotton is 200 mm, and the aluminum silicate fiber cotton The thermal conductivity of the aluminum silicate fiber cotton is 0.2W/nk; the aluminum silicate fiber cotton is compressed and fixed on the inner wall of the cover body in a block shape.
The steel ingot heat preservation vehicle according to claim 9, wherein the heat preservation cover further comprises:

At least two lifting ear assemblies are provided on the outer sides of both sides in the width direction of the cover body, and each lifting ear assembly includes a first lifting ear and a second lifting ear; Both the lifting lugs and the second lifting lugs are fixedly arranged on the outer side of the width direction side of the cover body, and the first lifting lugs are ring-shaped, and the second lifting lugs are semi-hook-shaped with an opening facing downward.