Engineering vehicle nitrogen buffer equipment with structure convenient to disassemble and assemble

Abstract

The utility model provides an engineering vehicle nitrogen buffer device with a structure convenient to disassemble and assemble, which comprises a supporting footstock and an adjusting fixing groove, the overlook cross section of the supporting footstock is of a rectangular structure, and a group of fixing holes used for being fixedly connected with an engineering vehicle chassis part through bolts are formed in the left side and the right side of the supporting footstock respectively. Compared with the prior art, the supporting frame has the advantages that the inner supporting beams are used for supporting the supporting top base, the two sets of supporting frame plates are movably supported and connected through the heavy armor, and therefore the supporting frame can be used for supporting the supporting top base. The supporting frame plate is slowly released by using the two sets of side buffering components, the driving vibration pressure of the engineering vehicle is applied to the side buffering components by using the supporting frame plate, the upper end of the nitrogen buffer is limited and supported by using the sealing top cover, and a nitrogen buffering function is provided for the side buffering components by using the nitrogen buffer.

Description

Technical Field

[0001] The utility model belongs to the technical field of nitrogen buffering for engineering vehicles, and relates to a nitrogen buffering device for engineering vehicles with a convenient disassembly and assembly structure. Background Technique

[0002] The nitrogen buffering device for engineering vehicles is a device used on engineering vehicles. It utilizes the physical properties of nitrogen to absorb and buffer the vibrations and impacts generated during the vehicle's driving process, thereby improving the comfort of the vehicle and extending the service life of the vehicle. This device is usually installed in the vehicle's suspension system and exists in the form of nitrogen springs or nitrogen shock absorbers. The nitrogen buffering device for engineering vehicles is a device used to absorb the vibrations and impact forces generated during the vehicle's driving process. It usually utilizes the compression and release characteristics of nitrogen to achieve the shock absorption effect. If the nitrogen buffering device cannot maintain the slow release balance during driving, it may cause a series of problems, affecting the performance and safety of the vehicle.

[0003] Under normal circumstances, the nitrogen buffering device can effectively absorb the unevenness and vibrations of the road surface, ensuring the smoothness of the vehicle during driving. If the balance cannot be maintained, the vehicle will experience severe vibrations and bumps during driving, which will not only increase the fatigue of the driver and passengers, but may also affect the driver's operation accuracy, thereby increasing the driving risk. Therefore, there is an urgent need for a nitrogen buffering device for engineering vehicles with a convenient disassembly and assembly structure to solve the above problems. Summary of the Invention

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a nitrogen buffering device for engineering vehicles with a convenient disassembly and assembly structure, and solve the problems raised in the above background technique.

[0005] The utility model is realized through the following technical solutions: A nitrogen buffering device for engineering vehicles with a convenient disassembly and assembly structure, comprising: a support top seat and an adjustment fixing groove, and the cross-section of the support top seat in a top view is a rectangular structure;

[0006] A set of fixing holes for connecting and fixing with the chassis parts of the engineering vehicle by bolts are provided inside both the left and right sides of the support top seat. A set of inner support beams for supporting the support top seat are provided at the lower end of the support top seat, and the cross-section of the inner support beam in a front view is a trapezoidal structure;

[0007] A set of support inner seats for connecting and fixing with the middle frame are provided at the lower end of the inner support beam. The cross-section of the support inner seat is a rectangular structure, and both the support inner seat and the inner support beam are made of an aluminum alloy material. The support inner seat and the inner support beam are made by an integral forging process, and the inner support beam can be used to support the support top seat.

[0008] As a preferred embodiment, a set of middle frames for movably supporting and connecting two sets of support frame plates are provided at the lower end of the inner support seat. The right-side view cross-section of the middle frame is a concave structure. The middle frame and the inner support seat are fixedly connected by a plurality of sets of bolts, and two sets of support frame plates can be movably supported and connected by using heavy armor.

[0009] As a preferred embodiment, a plurality of sets of adjustment fixing grooves for connecting and fixing the upper ends of the side buffer components are provided inside the left and right sides of the inner support beam. The adjustment fixing grooves are arranged in a circular structure of four groups and are fixedly connected to the upper ends of the side buffer components by bolts.

[0010] As a preferred embodiment, a set of side buffer components for buffering the support frame plates are provided on the left and right sides of each inner support beam. A lower connecting seat for supporting the lower end of the side buffer component is provided at the lower end of the side buffer component. A limiting seat for limiting and connecting the lower end of the side buffer component is provided at the rear side of the lower end of the lower connecting seat. The support frame plates can be buffered by using two sets of side buffer components.

[0011] As a preferred embodiment, an inner limiting bearing for maintaining the rotational adjustment of the side buffer component is provided inside the limiting seat. The limiting seat and the lower end of the side buffer component are movably connected through a rotating shaft. A support frame plate for applying the vibration pressure of the engineering vehicle during driving to the side buffer component is provided at the lower end of the limiting seat. The vibration pressure of the engineering vehicle during driving can be applied to the side buffer component by using the support frame plate.

[0012] As a preferred embodiment, a connecting and mounting seat for installing the wheel body equipment of the engineering vehicle is provided on the outer side of the support frame plate;

[0013] Two inner rotating dampers for movably buffering and connecting with the middle frame are provided on the right side of the support frame plate. Two inner rotating dampers are provided on the inner side of each support frame plate. A rotating shaft for maintaining rotational support is provided inside each of the two inner rotating dampers.

[0014] As a preferred embodiment, two sets of side buffer components are provided, and the two sets of side buffer components are arranged in an axisymmetric manner with the center of the cross-section of the inner support beam as the axis. The side buffer component includes an upper connecting seat and a nitrogen buffer. A connecting bolt for connecting and fixing with the inner support beam is provided inside the upper connecting seat. A sealing top cover for limiting and supporting the upper end of the nitrogen buffer is provided at the lower end of the upper connecting seat. The upper end of the nitrogen buffer can be limited and supported by using the sealing top cover.

[0015] As a preferred embodiment, an outer threaded sleeve for adjusting the up and down height position of the adjusting ring is provided at the lower end of the sealing top cover. External threads are provided on the outer side of the outer threaded sleeve and are threadedly engaged with the inside of the adjusting ring;

[0016] A set of springs for maintaining the release tension of the nitrogen buffer is provided at the lower end of the adjusting ring. A set of nitrogen buffers for providing nitrogen buffer function is provided inside the external thread sleeve. The lower ends of the springs and the lower ends of the nitrogen buffers are both fixedly connected to the upper end of the lower connecting seat, and the nitrogen buffer function can be provided to the side buffer component by using the nitrogen buffer.

[0017] After adopting the above technical solutions, the beneficial effects of the present utility model are as follows: the support top seat is supported by using the inner support beam; the two support frame plates are movably supported and connected by using the heavy armor; the support frame plates are slow-released by using the two side buffer components; the side buffer components are applied with the vibration pressure during the driving of the engineering vehicle by using the support frame plates; the upper end of the nitrogen buffer is limited and supported by using the sealing top cover; and the nitrogen buffer function is provided to the side buffer component by using the nitrogen buffer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following-described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is a front-side top-down structural schematic diagram of an engineering vehicle nitrogen buffer device with a convenient disassembly and assembly structure according to the present utility model;

[0020] Figure 2 It is a left-angled front-side top-down structural schematic diagram of a side buffer component in an engineering vehicle nitrogen buffer device with a convenient disassembly and assembly structure according to the present utility model;

[0021] Figure 3 It is an enlarged view at B in an engineering vehicle nitrogen buffer device with a convenient disassembly and assembly structure according to the present utility model;

[0022] Figure 4 It is an enlarged view at A in an engineering vehicle nitrogen buffer device with a convenient disassembly and assembly structure according to the present utility model;

[0023] In the figure: 100 - support top seat, 110 - fixing hole, 120 - side buffer component, 130 - lower connecting seat, 140 - movable bolt, 150 - support frame plate, 160 - middle frame, 170 - inner support beam, 180 - limit seat, 190 - inner rotation damper, 200 - rotation shaft, 210 - adjustment fixing groove;

[0024] 12a - Upper connecting seat, 12b - Connecting bolt, 12c - Sealing top cover, 12d - External thread sleeve, 12e - Adjusting ring, 12f - Spring, 12g - Nitrogen buffer. Detailed implementation manner

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

[0026] Please refer to Figures 1 - 4 , a nitrogen buffer device for engineering vehicles with a convenient disassembly and assembly structure, including: a support top seat 100, a side buffer component 120, and an adjustment fixing groove 210. The top view cross-section of the support top seat 100 is a rectangular structure;

[0027] On both the left and right sides inside the support top seat 100, there is a set of fixing holes 110 for connecting and fixing with the chassis parts of the engineering vehicle by bolts. At the lower end of the support top seat 100, there is a set of inner support beams 170 for supporting the support top seat 100. The front view cross-section of the inner support beam 170 is a trapezoidal structure;

[0028] At the lower end of the inner support beam 170, there is a set of support inner seats for connecting and fixing with the middle frame 160. The cross-section of the support inner seat is a rectangular structure, and both the support inner seat and the inner support beam 170 are made of an aluminum alloy material. The support inner seat and the inner support beam 170 are made by an integral forging process, and the inner support beam 170 can be used to support the support top seat 100.

[0029] At the lower end of the support inner seat, there is a middle frame 160 for movably supporting and connecting two groups of support plates 150. The right side view cross-section of the middle frame 160 is a concave structure. The middle frame 160 and the support inner seat are connected and fixed by a plurality of groups of bolts, and the middle frame 160 can be used to movably support and connect two groups of support plates 150.

[0030] On both the left and right sides inside the inner support beam 170, there are several adjustment fixing grooves 210 for connecting and fixing the upper end of the side buffer component 120. The adjustment fixing grooves 210 are arranged in a circular structure of four groups and are connected and fixed with the upper end of the side buffer component 120 by bolts.

[0031] On both the left and right sides of each inner support beam 170, there is a set of side buffer components 120 for buffering the support plate 150. At the lower end of the side buffer component 120, there is a set of lower connecting seats 130 for supporting the lower end of the side buffer component 120. At the rear side of the lower end of the lower connecting seat 130, there is a set of limit seats 180 for limiting and connecting with the lower end of the side buffer component 120, and the support plate 150 can be buffered by using two sets of side buffer components 120.

[0032] Inside the limit seat 180, there is a set of inner limit bearings for maintaining the rotational adjustment of the side buffer component 120. The limit seat 180 and the lower end of the side buffer component 120 are movably connected through a rotating shaft 200. At the lower end of the limit seat 180, there is a support plate 150 for applying the vibration pressure of the engineering vehicle during driving to the side buffer component 120, and the vibration pressure of the engineering vehicle during driving can be applied to the side buffer component 120 by using the support plate 150.

[0033] On the outside of the support plate 150, there is a set of connection mounting seats for installing the wheel body equipment of the engineering vehicle;

[0034] On the right side of the support plate 150, there are two sets of inner rotation dampers 190 for movably buffering and connecting with the middle frame 160. And on the inner side of each support plate 150, there are two sets of inner rotation dampers 190. Inside both sets of inner rotation dampers 190, there is a set of rotating shafts 200 for maintaining rotational support.

[0035] There are two sets of side buffer components 120, and the two sets of side buffer components 120 are arranged in an axisymmetric manner with the center of the cross-section of the inner support beam 170 as the axis. The side buffer component 120 includes an upper connecting seat 12a and a nitrogen buffer 12g. Inside the upper connecting seat 12a, there is a set of connecting bolts 12b for connecting and fixing with the inner support beam 170. At the lower end of the upper connecting seat 12a, there is a set of sealing top covers 12c for limiting and supporting the upper end of the nitrogen buffer 12g, and the upper end of the nitrogen buffer 12g can be limited and supported by using the sealing top cover 12c.

[0036] At the lower end of the sealing top cover 12c, there is a set of external thread sleeves 12d for adjusting the up and down height position of the adjusting ring 12e. The outside of the external thread sleeve 12d has external threads and is screwed with the internal threads of the adjusting ring 12e;

[0037] At the lower end of the adjusting ring 12e, there is a set of springs 12f for maintaining the released tension of the nitrogen buffer 12g. Inside the external thread sleeve 12d, there is a set of nitrogen buffers 12g for providing nitrogen buffer function. The lower end of the spring 12f and the lower end of the nitrogen buffer 12g are both connected and fixed to the upper end of the lower connecting seat 130, and the nitrogen buffer 12g can be used to provide the nitrogen buffer function for the side buffer component 120.

[0038] Please refer toFigures 1 - 4 , as the first embodiment of the present utility model: To solve the problem that under normal circumstances, the nitrogen buffer device can effectively absorb the unevenness and vibration of the road surface and ensure the smoothness of the vehicle during driving. If the balance cannot be maintained, the vehicle will experience severe vibration and bumpiness during driving, which will not only increase the fatigue of the driver and passengers, but may also affect the operation accuracy of the driver, thus increasing the driving risk. First, when the driver drives the engineering vehicle loaded with the present utility model to a bumpy section, the two sets of support plate 150 support the two sets of side buffer components 120 to move upward, and the lower connecting seat 130 squeezes the spring 12f and the nitrogen buffer 12g to compress upward. After the spring 12f and the nitrogen buffer 12g are compressed upward, they are rotationally compressed according to the force direction of the side buffer component 120, so as to adaptively buffer the pressure in different directions. And because there are two sets of side buffer components 120, and the two sets of side buffer components 120 are arranged in an axisymmetric manner with the center of the cross-section of the inner support beam 170 as the axis, so as to keep the buffer potential energy of the engineering vehicle balanced.

[0039] Please refer to Figures 1 - 4 , as the second embodiment of the present utility model: Based on the description in the above embodiment, further, since there is a set of inner support beam 170 for supporting the support top seat 100 at the lower end of the support top seat 100, the front view cross-section of the inner support beam 170 is a trapezoidal structure, and there is a set of support inner seats for connecting and fixing with the middle frame 160 at the lower end of the inner support beam 170. The cross-section of the support inner seat is a rectangular structure, and both the support inner seat and the inner support beam 170 are made of an aluminum alloy material. The support inner seat and the inner support beam 170 are made by an integral forging process. The inner support beam 170 can be used to support the support top seat 100, so as to improve the load-bearing capacity of the engineering vehicle. At the same time, since the support top seat 100 is fixedly connected to the vehicle chassis part by bolts, and there is a set of connection mounting seats for installing the wheel body equipment of the engineering vehicle on the outer side of the support plate 150, when the staff needs to repair it, the present utility model can be quickly disassembled for repair and replacement.

[0040] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. An engineering vehicle nitrogen buffer device with a convenient disassembly and assembly structure, comprising: A support top seat (100), a side buffer component (120), and an adjustment fixing groove (210), characterized in that: the top view cross-section of the support top seat (100) is a rectangular structure; On both the left and right sides of the support top seat (100), a set of fixing holes (110) for bolt connection and fixation with the chassis parts of the engineering vehicle are provided. At the lower end of the support top seat (100), a set of inner support beams (170) for supporting the support top seat (100) are provided. The front view cross-section of the inner support beam (170) is a trapezoidal structure; At the lower end of the inner support beam (170), a set of support inner seats for connection and fixation with the middle frame (160) are provided. The cross-section of the support inner seat is a rectangular structure, and both the support inner seat and the inner support beam (170) are made of an aluminum alloy material. The support inner seat and the inner support beam (170) are made by an integral forging process.

2. The nitrogen buffer device for engineering vehicles with a convenient disassembly and assembly structure according to claim 1, characterized in that: At the lower end of the support inner seat, a middle frame (160) for movably supporting and connecting two support plates (150) is provided. The right side view cross-section of the middle frame (160) is a concave structure. The middle frame (160) and the support inner seat are connected and fixed by a number of bolts.

3. The nitrogen buffer device for engineering vehicles with a convenient disassembly and assembly structure according to claim 1, characterized in that: Inside both the left and right sides of the inner support beam (170), a number of adjustment fixing grooves (210) for connection and fixation with the upper end of the side buffer component (120) are provided. The adjustment fixing grooves (210) are arranged in a circular structure of four groups and are connected and fixed with the upper end of the side buffer component (120) by bolts.

4. The nitrogen buffer device for engineering vehicles with a convenient disassembly and assembly structure according to claim 3, characterized in that: On both the left and right sides of each inner support beam (170), a set of side buffer components (120) for slow release of the support plate (150) are provided. At the lower end of the side buffer component (120), a set of lower connection seats (130) for supporting the lower end of the side buffer component (120) are provided. At the rear side of the lower end of the lower connection seat (130), a set of limit seats (180) for limiting connection with the lower end of the side buffer component (120) are provided.

5. The nitrogen buffer device for engineering vehicles with a convenient disassembly and assembly structure according to claim 4, characterized in that: Inside the limit seat (180), a set of inner limit bearings for maintaining the rotational adjustment of the side buffer component (120) are provided. The limit seat (180) and the lower end of the side buffer component (120) are movably connected through a rotating shaft (200). At the lower end of the limit seat (180), a set of support plates (150) for applying the vibration pressure of the engineering vehicle during driving to the side buffer component (120) are provided.

6. The nitrogen buffer device for engineering vehicles with a convenient disassembly and assembly structure according to claim 5, wherein: On the outer side of the support plate (150), a set of connection mounting seats for installing the wheel body equipment of the engineering vehicle are provided; On the right side of the support plate (150), two inner rotating dampers (190) for movably slow-releasing connection with the middle frame (160) are provided. And on the inner side of each support plate (150), two inner rotating dampers (190) are provided. And inside both of the two inner rotating dampers (190), a set of rotating shafts (200) for maintaining rotational support are provided.

7. The nitrogen buffer device for engineering vehicles with a convenient disassembly and assembly structure according to claim 3, characterized in that: There are two sets of the side buffer components (120), and the two sets of the side buffer components (120) are arranged in an axisymmetric manner with the center of the cross-section of the inner support beam (170) as the axis. The side buffer component (120) includes an upper connecting seat (12a) and a nitrogen buffer (12g). A set of connecting bolts (12b) for connecting and fixing with the inner support beam (170) are arranged inside the upper connecting seat (12a). A sealing top cover (12c) for limiting and supporting the upper end of the nitrogen buffer (12g) is arranged at the lower end of the upper connecting seat (12a).

8. An engineering vehicle nitrogen buffer device with a convenient disassembly and assembly structure according to claim 7, characterized in that: A set of external thread sleeves (12d) for adjusting the up-and-down height position of the adjusting ring (12e) are arranged at the lower end of the sealing top cover (12c). External threads are arranged on the outer side of the external thread sleeve (12d), and they are screwed with the internal threads of the adjusting ring (12e). A set of springs (12f) for maintaining the released tension of the nitrogen buffer (12g) are arranged at the lower end of the adjusting ring (12e). A nitrogen buffer (12g) for providing a nitrogen buffer function is arranged inside the external thread sleeve (12d). The lower ends of the spring (12f) and the nitrogen buffer (12g) are both connected and fixed to the upper end of the lower connecting seat (130).

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