KR102244610B1 - Fixing device for insulated tank - Google Patents

Abstract

The present invention relates to a fixing device for an insulated tank, which fixes an insulated tank to a frame of a car, wherein the fixing device comprises: an auxiliary frame (140) joined and fixed to the top surface of a frame (13); a spacer (110) having a ring shape, which longitudinally wraps up the outer circumferential surface of the insulated tank (20) at given intervals; a fixing ring portion (120) surrounding the outer part of the spacer (110); a saddle (150) connecting the lower part of the fixing ring portion (120) to the auxiliary frame (140); and an outer tank (130) formed on the outside of the fixing ring portion (120) to surround the insulated tank (20), wherein an insulating material layer (170) is formed between the outer tank (130) and the insulated tank (20). Furthermore, the spacer (110) has an inner insulating material (113) for preventing heat of the insulated tank (20) from being emitted outside and vibration absorbing rubber (111) for preventing the external shock from being delivered to the insulated tank (20), which are alternately disposed in a circumferential direction, and a joined area of the saddle (150) and the fixing ring portion (120) has a saddle vibration absorbing rubber plate (155) for preventing heat of the insulated tank (20) from being delivered to the saddle (150). Accordingly, a fixing device which can stably fix an insulated tank despite vibration or shock of a car can be provided.

Description

Vehicle insulation tank fixing device {FIXING DEVICE FOR INSULATED TANK}

The present invention relates to a vehicle insulation tank fixing device, and more particularly, to a vehicle insulation tank fixing device capable of stably fixing the insulation tank to the vehicle so that the insulation performance of the insulation tank is maintained.

Various tank lorries are used to transport a large amount of liquid or gas. The tank lorry is formed by combining the tank to the chassis of the vehicle.

The tank lorry combines various types of tanks depending on the type of liquid or gas to be transported. Among them, insulated tanks are used for transporting liquids or gases requiring thermal insulation performance.

1 is a cross-sectional view showing a conventional thermal insulation tank 20 and the chassis 13 coupling structure. As shown, the conventional thermal insulation tank 20 is fixed by the chassis 13 and the subframe 30. At this time, the subframe 30 is integrally fixed by welding the welding blades 31 to the heat insulation tank 20.

However, since the insulation tank 20 and the subframe 30 are usually formed of a metal material, heat is transferred through the welding blades 31 when the insulation tank 20 and the subframe 30 are combined through welding. As a result, there is a problem that the insulation performance of the insulation tank 20 is deteriorated.

In addition, when the insulation tank 20 and the subframe 30 are combined by welding, when external force or a strong impact is applied, a crack occurs on the surface of the welding blade 31 and the insulation tank 20 coupled thereto. (20) There was a problem of damaging.

Registered Patent No. 10-1229396 "Vehicle CNG tank fixing device"

An object of the present invention is to solve the above-described problem, and to provide an insulating tank fixing device capable of maintaining thermal insulation performance by minimizing heat loss of the insulating tank.

Another object of the present invention is to provide an insulating tank fixing device capable of stably fixing the insulating tank even in the case of vibration or impact of a vehicle.

The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention by those skilled in the art.

The object of the present invention described above can be achieved by the heat insulation tank fixing device for fixing the heat insulation tank to the chassis of the vehicle. Insulation tank fixing device of the present invention, the auxiliary frame 140 fixedly coupled to the upper surface of the chassis (13); A ring-shaped spacer 110 surrounding the outer circumferential surface of the thermal insulation tank 20 at regular intervals along the longitudinal direction of the thermal insulation tank 20; A fixing ring part 120 surrounding the outside of the spacer 110; A saddle 150 connecting the lower portion of the fixing ring 120 and the auxiliary frame 140; An outer tank 130 formed to surround the heat insulating tank 20 outside the fixing ring 120 and configured to form an insulating material layer 170 between the heat insulating tank 20, and the spacer (110) is an internal insulation material 113 that prevents the heat of the insulation tank 20 from being discharged to the outside, and a vibration-proof rubber 111 that prevents an external impact from being transmitted to the insulation tank 20 is circumferential. A saddle anti-vibration rubber plate 155 that is alternately arranged along the direction and prevents heat from the heat insulation tank 20 from being transferred to the saddle 150 in the bonding area between the saddle 150 and the fixing ring 120 ) Characterized in that it is provided.

According to an embodiment, the fixing ring 120 includes a lower fixing ring 121 coupled to the saddle 150 while surrounding a lower half area of the insulation tank 20; An upper fixing ring 123 surrounding the upper half of the heat insulating tank 20; A ring fixing bolt 125 connecting the lower fixing ring 121 and the upper fixing ring 123 to each other; A tank ring provided in the coupling region between the lower fixing ring 121 and the saddle 150, extending outward in the radial direction of the lower fixing ring 121, and inserted into the saddle anti-vibration rubber plate 155 therein. It may include a bolt housing 127 in which the bolt head 128a of the fixing bolt 128 is accommodated.

According to an embodiment, a spacer coupling plate 153 formed to have a certain area is integrally provided under the saddle 150, and a lower portion provided between the spacer coupling plate 153 and the auxiliary frame 140 A spacer 157; Further comprising a spring fastening means 160 for coupling the auxiliary frame 140 and the saddle 150, the spring fastening means 160, the lower spacer 157 at the lower portion of the auxiliary frame 140 And a saddle coupling bolt 161 inserted upwardly through the spacer coupling plate 153; A spring 163 inserted into the saddle coupling bolt 161 from an upper portion of the spacer coupling plate 153; It may include a second nut 165 fastened to the saddle coupling bolt 161 exposed to the upper portion of the spring 163.

The insulating tank fixing device according to the present invention fixes the insulating tank to the auxiliary frame using a fixing ring part and a saddle. At this time, the fixing ring part and the saddle are fixed by the tank ring fixing bolt, and the auxiliary frame and the saddle are fixed by the spring fastening means. That is, the insulation tank is fixed by fastening with bolts without a separate welding process.

In addition, a saddle vibration-proof rubber plate is inserted between the saddle and the fixing ring to which the bolt is fastened, and a lower spacer is inserted between the auxiliary frame and the saddle to block heat conduction and increase the fixing force. Accordingly, it is possible to solve a problem in which heat loss occurs because heat of the heat insulation tank is transferred to the auxiliary frame by conventional welding.

In addition, in the heat insulation tank fixing device according to the present invention, the heat insulation tank and the auxiliary frame are arranged to be spaced apart at a predetermined interval by a saddle. As a result, since there is no fixture directly connected to the insulation tank, the insulation tank can maintain independence from the auxiliary frame. Therefore, even if a vehicle vibration or an accident occurs, it is possible to prevent leakage of dangerous substances and toxic substances by not damaging the independent insulation tank.

1 is a cross-sectional view showing a state in which an insulation tank is fixed to a conventional vehicle,
Figure 2 is a side view showing the configuration of a vehicle in which the insulation tank is fixed by the insulation tank fixing device according to the present invention;
3 is a rear view showing the configuration of a vehicle in which the insulating tank is fixed by the insulating tank fixing device according to the present invention;
Figure 4 is a cross-sectional view showing the configuration of the insulating tank fixing device according to the present invention,
5 is an enlarged side view showing an enlarged portion of the fixing ring portion of FIG. 2;
Figure 6 is a perspective view showing an enlarged saddle of the insulation tank fixing device according to the present invention.

In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more completely explain the present invention to those of ordinary skill in the art. Accordingly, the shape of the element in the drawings may be exaggerated to emphasize a clearer description. It should be noted that in each drawing, the same member may be indicated by the same reference numeral. Detailed descriptions of known functions and configurations that are determined to unnecessarily obscure the subject matter of the present invention will be omitted.

2 is a side view showing a side configuration of a vehicle 10 equipped with an insulating tank fixing device 100 according to the present invention, and FIG. 3 is a rear view showing a rear configuration of the vehicle 10.

As shown, the vehicle 10 is loaded with an insulation tank 20 on the chassis 13 provided at the rear end of the driving car 11. The insulation tank fixing device 100 includes a spacer 110 provided to surround the outside of the insulation tank 20, a fixing ring part 120 coupled to the outside of the spacer 110, and surrounding the outside of the fixing ring part 120. The outer tank 130, the auxiliary frame 140 coupled to the upper portion of the chassis 13, the saddle 150 for coupling the auxiliary frame 140 and the fixing ring 120, and the outer tank 130 It includes an insulating material layer 170 to be filled.

Insulation tank fixing device 100 according to the present invention is fixed to the auxiliary frame 140 by combining the fixing ring 120 in a band manner without welding to the insulation tank 20.

At this time, the spacer 110 formed of the anti-vibration rubber 111 is inserted between the fixing ring 120 and the insulation tank 20 to protect the insulation tank 20, and the insulation tank 20 and the fixing ring 120 It can increase the holding power of and maintain heat insulation.

In addition, the saddle 150 and the fixing ring 120 are combined with the tank ring fixing bolt 128 with the saddle anti-vibration rubber plate 155 inserted therein to increase fixing force and maintain heat insulation. In addition, the saddle 150 and the auxiliary frame 140 are fixed by the spring fastening means 160 to catch vibration and torsion generated during vehicle operation.

Since complete insulation is maintained between the insulation tank 20 and the insulation tank 20 by the insulation tank fixing device 100 of the present invention, there is an advantage of minimizing heat loss due to heat conduction.

In addition, since there is no fixture directly connected to the insulation tank 20, even if vibration or a strong impact is applied to the vehicle, damage to the insulation tank 20 is prevented, and the independent insulation tank 20 is maintained even when the vehicle overturns due to an accident. As it is preserved, it has the advantage of preventing leakage of dangerous substances and toxic substances.

4 is a cross-sectional view showing a state in which the heat insulation tank fixing device 100 fixes the heat insulation tank 20.

The spacer 110 covers the surface of the tank shell 21 of the heat insulation tank 20 in a ring shape at regular intervals along the longitudinal direction of the heat insulation tank 20. The spacer 110 is inserted between the heat insulation tank 20 and the fixing ring part 120 to increase the fixing force of the fixing ring part 120 and improve the insulation performance.

As shown in the spacer 110, the anti-vibration rubber 111 and the inner insulating material 113 are alternately disposed along the circumferential direction.

The fixing ring part 120 is provided in a ring shape outside the spacer 110 so that the insulation tank 20 and the saddle 150 are coupled. The fixing ring part 120 is formed by coupling the lower fixing ring 121 and the upper fixing ring 123 formed in a semicircular shape to each other.

The lower fixing ring 121 surrounds the lower semicircle shape of the insulation tank 20, and the upper fixing ring 123 surrounds the upper semicircle shape of the insulation tank 20. The lower fixing ring 121 and the upper fixing ring 123 divide and wrap the outside of the insulation tank 20 from each other, and are coupled by ring fixing bolts 125 in the middle regions of both sides.

The lower fixing ring 121 is provided with a bolt housing 127 extending downward to correspond to the area of the saddle 150 in a region in contact with the saddle 150. The bolt housing 127 is formed integrally with the lower fixing ring 121.

As shown in the enlarged cross-sectional view in FIG. 4, the lower fixing ring 121 and the upper fixing ring 123 each have a cross-sectional shape bent in a "c" shape. The bolt housing 127 is provided to be bent in a "C" shape under the lower fixing ring 121. The bolt housing 127 is fixed by welding to the lower fixing ring 121.

The height of the bolt housing 127 is formed higher than the bolt head 128a of the tank ring fixing bolt 128 so that the bolt head 128a is accommodated therein. A bolt fixing member 127a is provided inside the bolt housing 127 to prevent rotation of the bolt head 128a.

A bolt exposure hole 127b is formed through the lower portion of the bolt housing 127 to expose the tank ring fixing bolt 128 to the inside. The tank ring fixing bolt 128 exposed through the bolt exposure hole 127b penetrates the saddle vibration-proof rubber plate 155 and the fixing ring coupling plate 151 of the saddle 150 and then is fixed by the first nut 129 do.

The bolt housing 127 is provided with a plurality of bolt exposure holes 127b along the longitudinal direction, and after the plurality of tank ring fixing bolts 128 are accommodated, each of them is coupled to the fixing ring coupling plate 151 of the saddle 150. .

The bolt housing 127 is provided on both sides of the lower fixing ring 121 and is coupled to a pair of saddles 150, respectively.

The outer tank 130 is provided to surround the outside of the fixing ring 120. The outer tank 130 is formed to have an outer diameter corresponding to the fixing ring coupling plate 151 of the saddle 150 to surround the outside of the entire thermal insulation tank 20. In this case, as shown in Figs. 2 and 3, an insulating material is filled in the spaced space between the insulating tank 20 and the outer tank 130 to form an insulating material layer 170. Accordingly, the insulation performance of the insulation tank 20 can be maintained over the entire area.

The auxiliary frame 140 is coupled to the upper portion of the chassis 13. The auxiliary frame 140 is disposed on the upper portion of the chassis 13 along the longitudinal direction as shown in FIGS. 2 and 4.

In this case, as shown in FIG. 6, saddle coupling plates 141 on both sides are provided to extend outward by a certain area at a position where each fixing ring 120 is provided in the longitudinal direction of the auxiliary frame 140. The saddle coupling plate 141 and the saddle 150 are fixed by a spring fastening means 160. The fastening process by the spring fastening means 160 will be described in more detail below.

The saddle 150 connects the fixing ring part 120 and the auxiliary frame 140 to each other, and supports the auxiliary frame 140 and the fixing ring part 120, that is, the insulation tank 20, to be spaced apart at a predetermined interval. Since the insulation tank 20 is spaced apart from the auxiliary frame 140 by a predetermined interval by the saddle 150, the insulation tank 20 may be located independently from the auxiliary frame 140.

Accordingly, even if the vehicle is overturned due to a vehicle accident, the insulating tank 20 positioned independently of the auxiliary frame 140 can be preserved without being damaged.

The saddle 150 is provided in a pair as shown in FIG. 4. A fixing ring coupling plate 151 formed to correspond to the bolt housing 127 is provided on the top of the pair of saddles 150, and a spacer coupling plate 153 is provided on a predetermined area under the saddle 150.

The saddle 150, the fixed ring coupling plate 151, and the spacer coupling plate 153 are integrally formed by welding or the like.

The fixing ring coupling plate 151 has a bolt housing 127 disposed below it, as shown enlarged in FIG. 4. At this time, a saddle vibration-proof rubber plate 155 is inserted between the bolt housing 127 and the fixing ring coupling plate 151. The tank ring fixing bolt 128 exposed to the bottom through the bolt housing 127 penetrates the saddle anti-vibration rubber plate 155 and the fixed ring coupling plate 151 to be exposed to the lower part of the fixed ring coupling plate 151 and exposed The first nut 129 is fastened to the lower portion of the tank ring fixing bolt 128.

The spacer coupling plate 153 is disposed on the upper surface of the saddle coupling plate 141 of the auxiliary frame 140. In this case, a lower spacer 157 is inserted between the spacer coupling plate 153 and the saddle coupling plate 141. The lower spacer 157 is formed of a material such as engineering plastic to adjust the gap between the saddle coupling plate 141 and the spacer coupling plate 153 and buffer vibration and shock.

The spacer coupling plate 153 and the saddle coupling plate 141 into which the lower spacer 157 is inserted are fixed by the spring fastening means 160.

As shown enlarged in FIG. 4, the spring fastening means 160 is composed of a saddle coupling bolt 161, and a spring 163 and a second nut 165 coupled thereto.

The saddle coupling bolt 161 is inserted upward from the lower portion of the saddle coupling plate 141. The saddle coupling bolt 161 is inserted through the saddle coupling plate 141 and the lower spacer 157 and the spacer coupling plate 153. A coil-shaped spring 163 is inserted into the saddle coupling bolt 161 exposed upward through the spacer coupling plate 153, and a second nut 165 is fastened thereon.

The spring 163 is constrained in position between the spacer coupling plate 153 and the second nut 165, is elastically compressed or elongated, and buffers vibration and shock transmitted to the saddle 150.

A process of fixing the insulation tank 20 to the chassis 13 of the vehicle 10 using the insulation tank fixing device 100 according to the present invention having such a configuration will be described with reference to FIGS. 2 to 6.

The operator couples the fixing ring parts 120 to the outside of the insulation tank 20 at regular intervals along the length direction. A spacer 110 is inserted between the fixing ring 120 and the insulating tank 20. The spacer 110 is inserted so that the anti-vibration rubber 111 and the inner insulating material 113 are alternately disposed, and the lower fixing ring 121 and the upper fixing ring 123 are coupled to the outside thereof.

And, as shown in Fig. 5, the lower ring flange 121a of the lower fixing ring 121 and the upper ring flange 123a of the upper fixing ring 123 are placed in contact with each other, and the ring fixing bolt 125 is fastened. Thus, the lower fixing ring 121 and the upper fixing ring 123 are fixed.

When the coupling of the plurality of fixing ring portions 120 along the longitudinal direction of the insulation tank 20 is completed, the insulation tank 20 to which the fixing ring portion 120 is coupled is coupled to the saddle 150.

The insulating tank 20 is disposed so that the bolt housing 127 of each fixing ring part 120 abuts against the fixing ring coupling plate 151 of each saddle 150. At this time, a saddle vibration-proof rubber plate 155 is inserted between the fixing ring coupling plate 151 and the bolt housing 127.

As shown enlarged in FIG. 4, the tank ring fixing bolt 128 inserted into the bolt housing 127 penetrates through the saddle vibration-proof rubber plate 155 and the fixing ring coupling plate 151 and is exposed downward, and the first nut 129 ) To complete the coupling of the fixing ring 120 and the saddle 150.

In addition, the spacer coupling plate 153 formed under the saddle 150 is coupled to the auxiliary frame 140. Saddle 150 is coupled to each side by a pair in the width direction of the auxiliary frame 140.

6, a lower spacer 157 is disposed on the saddle coupling plate 141 of the auxiliary frame 140, and the spacer coupling plate 153 of the saddle 150 is mounted. Then, the saddle coupling bolt 161 is inserted through the saddle coupling plate 141 and the lower spacer 157 and the spacer coupling plate 153 to the top.

As shown in FIG. 5, a pair of saddle coupling bolts 161 are provided on both sides with the saddle 150 as the center. After the spring 163 is inserted into the saddle coupling bolt 161 inserted upward, the second nut 165 is fastened.

The operator adjusts the degree of fastening of the second nut 165 to the saddle coupling bolt 161 to adjust the elastic force of the spring 163. Accordingly, the combination of the saddle 150 and the auxiliary frame 140 is completed.

The auxiliary frame 140 to which the insulating tank 20 is coupled by the fixing ring 120 and the saddle 150 is fixed to the upper portion of the chassis 13. The auxiliary frame 140 is fixed to the chassis 13 by using the chassis coupling member 15. The undercarriage coupling member 15 may be provided using brackets and bolts, or various known forms may be used.

Through this process, the heat insulation tank 20 may be fixed to the vehicle 10.

As described above, the insulation tank fixing device according to the present invention fixes the insulation tank to the auxiliary frame using a fixing ring part and a saddle. At this time, the fixing ring part and the saddle are fixed by the tank ring fixing bolt, and the auxiliary frame and the saddle are fixed by the spring fastening means. That is, the insulation tank is fixed by fastening with bolts without a separate welding process.

In addition, a saddle vibration-proof rubber plate is inserted between the saddle and the fixing ring to which the bolt is fastened, and a lower spacer is inserted between the auxiliary frame and the saddle to block heat conduction and increase the fixing force. Accordingly, it is possible to solve a problem in which heat loss occurs because heat of the heat insulation tank is transferred to the auxiliary frame by conventional welding.

In addition, in the heat insulation tank fixing device according to the present invention, the heat insulation tank and the auxiliary frame are arranged to be spaced apart at a predetermined interval by a saddle. As a result, since there is no fixture directly connected to the insulation tank, the insulation tank can maintain independence from the auxiliary frame. Therefore, even if a vehicle vibration or an accident occurs, it is possible to prevent leakage of dangerous substances and toxic substances by not damaging the independent insulation tank.

The embodiment of the vehicle insulation tank fixing device of the present invention described above is merely exemplary, and those of ordinary skill in the art to which the present invention belongs can make various modifications and other equivalent embodiments possible. You can see it well. Therefore, it will be appreciated that the present invention is not limited to the form mentioned in the detailed description above. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims. In addition, the present invention is to be understood as including the spirit of the present invention as defined by the appended claims and all modifications, equivalents and substitutes within the scope thereof.

10: vehicle 11: driving car
13: chassis 15: chassis coupling member
20: insulation tank 21: tank shell
100: vehicle insulation tank fixing device 110: spacer
111: anti-vibration rubber 113: internal insulation
120: fixing ring part 121: lower fixing ring
121a: lower ring flange 123: upper fixing ring
123a: upper ring flange 125: ring fixing bolt
127: bolt housing 127a: bolt fixing material
127b: bolt exposure hole 128: tank ring fixing bolt
128a: bolt head 129: first nut
130: outer tank 140: auxiliary frame
141: saddle bonding plate 150: saddle
151: fixed ring coupling plate 153: spacer coupling plate
155: saddle anti-vibration rubber plate 157: lower spacer
160: spring fastening means 161: saddle coupling bolt
163: spring 165: second nut
170: insulation layer

Claims (3)

In the insulation tank fixing device for fixing the insulation tank to the chassis of a vehicle,
An auxiliary frame 140 fixedly coupled to the upper surface of the chassis 13;
A ring-shaped spacer 110 surrounding the outer circumferential surface of the thermal insulation tank 20 at regular intervals along the longitudinal direction of the thermal insulation tank 20;
A fixing ring part 120 surrounding the outside of the spacer 110;
A saddle 150 connecting the lower portion of the fixing ring 120 and the auxiliary frame 140;
It is formed to surround the heat insulation tank 20 outside the fixing ring part 120, and includes an outer tank 130 to form an insulation layer 170 between the heat insulation tank 20,
The spacer 110 includes an inner insulating material 113 that prevents heat from the heat insulating tank 20 from being discharged to the outside, and a vibration-proof rubber 111 that prevents an external shock from being transmitted to the heat insulating tank 20. Are alternately arranged along the circumferential direction,
A saddle anti-vibration rubber plate 155 for preventing heat from the heat insulation tank 20 from being transferred to the saddle 150 is provided in the bonding area between the saddle 150 and the fixing ring 120,
The fixing ring part 120,
A lower fixing ring 121 coupled to the saddle 150 and surrounding the lower half of the insulating tank 20;
An upper fixing ring 123 surrounding the upper half of the heat insulating tank 20;
A ring fixing bolt 125 connecting the lower fixing ring 121 and the upper fixing ring 123 to each other;
A tank ring provided in the coupling region between the lower fixing ring 121 and the saddle 150, extending outward in the radial direction of the lower fixing ring 121, and inserted into the saddle anti-vibration rubber plate 155 therein Insulated tank fixing device, characterized in that it comprises a bolt housing (127) in which the bolt head (128a) of the fixing bolt (128) is accommodated.
delete The method of claim 1,
A spacer coupling plate 153 formed to have a certain area is integrally provided under the saddle 150,
A lower spacer 157 provided between the spacer coupling plate 153 and the auxiliary frame 140;
Further comprising a spring fastening means 160 for coupling the auxiliary frame 140 and the saddle 150,
The spring fastening means 160,
A saddle coupling bolt 161 inserted in an upward direction through the lower spacer 157 and the spacer coupling plate 153 under the auxiliary frame 140;
A spring 163 inserted into the saddle coupling bolt 161 from an upper portion of the spacer coupling plate 153;
Insulated tank fixing device comprising a second nut (165) fastened to the saddle coupling bolt (161) exposed to the upper portion of the spring (163).

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