Tracked vehicle power device adopting four-point suspension

Abstract

The invention provides a tracked vehicle power device adopting four-point suspension. The tracked vehicle power device comprises a transmission case, a transmission case support, a transmission case left suspension device, a transmission case limiting clamp spring, a diesel engine transmission case fixing bolt, a diesel engine, a diesel engine suspension fixing bolt, a diesel engine suspension device, a diesel engine base, a power device connecting bolt and a transmission case right suspension device. The device is high in integration degree, integrated hoisting of the power device can be achieved, and mounting and dismounting are convenient; torsional vibration and impact on a vehicle body caused by output of a power device can be effectively reduced, complex vibration frequency is reduced, resonance points are avoided, and the requirements for power transmission connection and integrated hoisting of common tracked vehicles can be met.

Description

Technical Field

[0001] The invention belongs to the technical field of tracked vehicle power, and in particular relates to a tracked vehicle power device adopting a four-point suspension. Background Art

[0002] At present, the power units of tracked vehicles in my country are generally installed in a split style. The main problems include complicated disassembly and assembly steps, low degree of integration, complex vibration frequency of the power unit, and inability to meet the requirements of integrated lifting of the power unit. Summary of the invention

[0003] 1. Technical issues to be resolved

[0004] The present invention proposes a tracked vehicle power device using a four-point suspension to solve the technical problems of how to increase the degree of integration, reduce complex vibration frequencies, avoid resonance points, and facilitate installation and disassembly.

[0005] (II) Technical solution

[0006] In order to solve the above technical problems, the present invention proposes a tracked vehicle power device using a four-point suspension, the tracked vehicle power device comprising a transmission box, a transmission box support, a transmission box left suspension device, a transmission box limit spring, a diesel engine transmission box fixing bolt, a diesel engine, a diesel engine suspension fixing bolt, a diesel engine suspension device, a diesel engine base, a power device connecting bolt and a transmission box right suspension device; wherein,

[0007] The left suspension device of the transmission box is installed on the outer circle of the left output end of the transmission box through the inner ring, and the transmission box limit clamping spring is installed in the clamping groove on the outer circle of the left output end of the transmission box to limit the left suspension device of the transmission box; the right suspension device of the transmission box is installed on the outer circle of the right output end of the transmission box through the inner ring, and the transmission box limit clamping spring is installed in the clamping groove on the outer circle of the right output end of the transmission box to limit the right suspension device of the transmission box;

[0008] The diesel engine suspension device comprises a base and an oblique mounting surface, the oblique mounting surface is located at the top of the diesel engine suspension device, and the oblique mounting surfaces of the two diesel engine suspension devices are respectively mounted on the left and right ends of the diesel engine through diesel engine suspension fixing bolts;

[0009] The transmission box equipped with the left transmission box suspension device and the right transmission box suspension device is fixed to the diesel engine equipped with two diesel engine suspension devices as an integrated assembly through the diesel engine transmission box fixing bolts to form a rigid connection; the transmission box is installed on the two transmission box supports through the installed left transmission box suspension device and the right transmission box suspension device;

[0010] The transmission box falls onto the circumferential surface of the transmission box support welded on the bottom deck of the vehicle body through the transmission box left suspension device and the transmission box right suspension device, and the height direction of the integrated machine assembly is fixed by the power device connecting bolts, so that the integrated machine assembly falls stably on the vehicle body;

[0011] The diesel engine is installed on two diesel engine bases through the installed diesel engine suspension device, and the diesel engine is fixed to the diesel engine base welded on the vehicle body from the top through the power unit connecting bolts.

[0012] Furthermore, a stop is provided on the upper surface of the diesel engine base, and a protruding cylindrical portion is provided on the base of the diesel engine suspension device, and the cylindrical portion enters the stop to perform circumferential limiting.

[0013] Furthermore, the left suspension device of the transmission box is provided with two protruding limiting structures on the outer side of the circumference.

[0014] Furthermore, the groove structure formed by the two limiting structures falls on the circumferential surface of the transmission box support, limiting the left and right directions of the integrated machine assembly.

[0015] Furthermore, the transmission case is fixed to the diesel engine as an integrated assembly via a plurality of diesel engine transmission case fixing bolts arranged along the circumference.

[0016] (III) Beneficial effects

[0017] The present invention proposes a tracked vehicle power device with four-point suspension, including a transmission box, a transmission box support, a transmission box left suspension device, a transmission box limit spring, a diesel engine transmission box fixing bolt, a diesel engine, a diesel engine suspension fixing bolt, a diesel engine suspension device, a diesel engine base, a power device connecting bolt and a transmission box right suspension device. The device has a high degree of integration, can realize the integrated lifting of the power device, and is easy to install and disassemble; it can effectively reduce the torsional vibration and impact of the power device output on the vehicle body, reduce complex vibration frequencies, avoid resonance points, and can meet the needs of general tracked vehicle power transmission connection and integrated lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is an overall structural diagram of a tracked vehicle power device using a four-point suspension according to the present invention;

[0019] Figure 2a It is a side sectional view of the left suspension device of the transmission box in the present invention, Figure 2b is the main view;

[0020] Figure 3a It is a side sectional view of the right suspension device of the transmission box in the present invention, Figure 3b is the main view;

[0021] Figure 4This is a structural diagram of the diesel engine suspension device of the present invention. DETAILED DESCRIPTION

[0022] In order to make the purpose, content and advantages of the present invention more clear, the specific implementation methods of the present invention are further described in detail below in conjunction with the drawings and examples.

[0023] This embodiment proposes a tracked vehicle power device using a four-point suspension, and its overall structure is as follows: Figure 1 As shown, it mainly includes a transmission box 1, a transmission box support 2, a transmission box left suspension device 3, a transmission box limit spring 4, a diesel engine transmission box fixing bolt 5, a diesel engine 6, a diesel engine suspension fixing bolt 7, a diesel engine suspension device 8, a diesel engine base 9, a power unit connecting bolt 10 and a transmission box right suspension device 11.

[0024] Transmission box left suspension device 3 (structure as Figure 2a and 2b As shown in the figure, the transmission box 1 is installed on the outer circle of the left output end through the inner ring, and the transmission box limit spring 4 is installed in the groove on the outer circle of the left output end of the transmission box 1 to limit the left suspension device 3 of the transmission box.

[0025] Transmission box right suspension device 11 (structure as Figure 3a and 3b As shown in the figure, the transmission box 1 is installed on the outer circle of the right output end through the inner ring, and the transmission box limit spring 4 is installed in the groove on the outer circle of the right output end of the transmission box 1 to limit the right suspension device 11 of the transmission box.

[0026] The structure of the diesel engine suspension device 8 is as follows: Figure 4 As shown, it mainly includes a base and an inclined mounting surface, the base is provided with a protruding cylindrical portion, and the inclined mounting surface is located at the top of the diesel engine mounting device 8. Among them, the inclined mounting surfaces of the two diesel engine mounting devices 8 are respectively installed at the left and right ends of the diesel engine 6 through the diesel engine mounting fixing bolts 7.

[0027] The transmission case 1 equipped with the transmission case left suspension device 3 and the transmission case right suspension device 11 is fixed to the diesel engine 6 equipped with two diesel engine suspension devices 8 as an integrated assembly through a plurality of diesel engine transmission case fixing bolts 5 arranged along the circumference to form a rigid connection.

[0028] The transmission box 1 and the diesel engine 6 are fixed as an integrated machine assembly, and the transmission box 1 is installed on two transmission box supports 2 through the installed transmission box left suspension device 3 and the transmission box right suspension device 11. Among them, the transmission box left suspension device 3 is respectively provided with two protruding limiting structures on the outer side of the circumference, and the groove structure formed by the two limiting structures falls on the circumferential surface of the transmission box support 2, which can limit the integrated machine assembly in the left and right directions.

[0029] The transmission box 1 falls onto the circumferential surface of the transmission box support 2 welded on the bottom deck of the vehicle body through the transmission box left suspension device 3 and the transmission box right suspension device 11. The height direction of the all-in-one assembly can be fixed by the power device connecting bolts 10, so that the all-in-one assembly can fall firmly on the vehicle body.

[0030] The diesel engine 6 is installed on two diesel engine bases 9 through the installed diesel engine mounting device 8, and the diesel engine 6 is fixed to the diesel engine base 9 welded to the vehicle body from the top through the power device connecting bolts 10. A stop is provided on the upper surface of the diesel engine base 9, and the protruding cylindrical part of the base of the diesel engine mounting device 8 enters the stop for circumferential limitation.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A tracked vehicle power unit using a four-point suspension, characterized in that: The tracked vehicle power unit includes a transmission box, a transmission box support, a transmission box left suspension device, a transmission box limit spring, a diesel engine transmission box fixing bolt, a diesel engine, a diesel engine suspension fixing bolt, a diesel engine suspension device, a diesel engine base, a power unit connecting bolt and a transmission box right suspension device; wherein, The left suspension device of the transmission box is installed on the outer circle of the left output end of the transmission box through the inner ring, and the transmission box limit clamping spring is installed in the clamping groove on the outer circle of the left output end of the transmission box to limit the left suspension device of the transmission box; the right suspension device of the transmission box is installed on the outer circle of the right output end of the transmission box through the inner ring, and the transmission box limit clamping spring is installed in the clamping groove on the outer circle of the right output end of the transmission box to limit the right suspension device of the transmission box; The diesel engine suspension device comprises a base and an oblique mounting surface, the oblique mounting surface is located at the top of the diesel engine suspension device, and the oblique mounting surfaces of the two diesel engine suspension devices are respectively mounted on the left and right ends of the diesel engine through diesel engine suspension fixing bolts; The transmission box equipped with the left transmission box suspension device and the right transmission box suspension device is fixed to the diesel engine equipped with two diesel engine suspension devices as an integrated assembly through the diesel engine transmission box fixing bolts to form a rigid connection; the transmission box is installed on the two transmission box supports through the installed left transmission box suspension device and the right transmission box suspension device; The transmission box falls onto the circumferential surface of the transmission box support welded on the bottom deck of the vehicle body through the transmission box left suspension device and the transmission box right suspension device, and the height direction of the integrated machine assembly is fixed by the power device connecting bolts, so that the integrated machine assembly falls stably on the vehicle body; The diesel engine is installed on two diesel engine bases through the installed diesel engine suspension device, and the diesel engine is fixed to the diesel engine base welded on the vehicle body from the top through the power unit connecting bolts.

2. The tracked vehicle power device using four-point suspension according to claim 1, characterized in that: The upper surface of the diesel engine base is provided with a stopper, and the base of the diesel engine suspension device is provided with a protruding cylindrical portion, and the cylindrical portion enters the stopper to perform circumferential limiting.

3. The tracked vehicle power device using four-point suspension as claimed in claim 1, characterized in that: The transmission box left suspension device is provided with two protruding limiting structures on the circumferential outer sides.

4. The tracked vehicle power device using four-point suspension as claimed in claim 3, characterized in that: The groove structure formed by the two limiting structures falls on the circumferential surface of the transmission box support, limiting the left and right directions of the integrated machine assembly.

5. The tracked vehicle power device using four-point suspension according to claim 1, characterized in that: The transmission case is fixed to the diesel engine as an integrated assembly via a plurality of diesel engine transmission case fixing bolts arranged along the circumference.

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