Rack structure for agricultural miniature four-wheel-drive loader

Abstract

The utility model discloses a rack structure for an agricultural miniature four-wheel-drive loader, which belongs to the technical field of miniature agricultural loaders and comprises an upper connecting frame, a lower connecting frame and a frame plate component, and an oil pipe limiting pipe is arranged between the upper connecting frame and the lower connecting frame. The two frame plate assemblies are fixedly connected with the upper connecting frame and the lower connecting frame correspondingly. A first cross beam, a second cross beam and a third cross beam are sequentially arranged between the two frame plate assemblies, a clutch pedal fixing piece and a brake pedal fixing lug piece are arranged on the upper end face of the first cross beam, a generator fixing piece is arranged on the front end face of the first cross beam, and a brake switch fixing piece is arranged on the lower end face of the first cross beam. A diesel engine fixing plate is arranged between the upper end faces of the second beam and the third beam, and rear hinge fixing pieces are arranged on the lower end faces of the second beam and the third beam respectively. The light weight of the machine frame can be achieved, meanwhile, the enough structural strength of the whole machine frame is guaranteed, and the using performance of the loading machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of miniature agricultural loaders, in particular to a frame structure used for an agricultural miniature four-wheel drive loader. Background Art

[0002] Agriculture, as a pillar industry in my country, plays a vital role in our country's social status. my country has always been known as a major agricultural country. With the continuous deepening of rural revitalization, loaders, as important earth-moving construction machinery, their continuous optimization of performance and structure is an important direction for the development of the industry; however, the existing loaders have large frames, heavy weight, and insufficient strength, which affects the operation and use of the loaders. Utility Model Content

[0003] The main purpose of the utility model is to solve the above-mentioned technical problems to a certain extent, and to propose a frame structure for an agricultural micro four-wheel drive loader, which can achieve lightweight frame while ensuring sufficient overall structural strength of the frame, thereby improving the performance of the loader.

[0004] The above-mentioned problem to be solved by the utility model is achieved through the following technical solutions:

[0005] A frame structure for an agricultural mini four-wheel drive loader is proposed, comprising an upper connecting frame, a lower connecting frame and a frame plate assembly, wherein an oil pipe limiting pipe is provided between the upper connecting frame and the lower connecting frame, and two groups of the frame plate assemblies are fixedly connected to the left and right ends of the upper connecting frame and the lower connecting frame respectively; a first crossbeam, a second crossbeam and a third crossbeam are arranged in sequence between the two frame plate assemblies, and the first crossbeam, the second crossbeam and the third crossbeam are arranged perpendicular to the two frame plate assemblies, and the left and right ends of the first crossbeam are fixedly connected to the frame plate assembly, a clutch pedal fixing plate is provided on the upper end surface of the left side of the first crossbeam, a brake pedal fixing ear is provided on the upper end surface of the right side thereof, a generator fixing plate is provided on the front end surface of the first crossbeam, and a brake switch fixing plate is provided on the lower end surface thereof facing the brake pedal fixing ear; a diesel engine fixing plate is provided between the upper end surfaces of the second crossbeam and the third crossbeam, and rear hinged fixing plates are provided on the lower end surfaces thereof.

[0006] In some embodiments, the frame plate assembly includes a first frame plate, a second frame plate, a third frame plate and a fourth frame plate, the first frame plate is arranged on the outer sides of the upper connecting frame and the lower connecting frame and is fixedly connected thereto, one end of the second frame plate is fixedly connected to the upper connecting frame, the lower connecting frame and the first frame plate, and the other end extends forward, one end of the third frame plate is fixedly connected to the lower end of the first frame plate, and the other end extends forward, and both ends of the fourth frame plate are respectively fixedly connected to the second frame plate and the third frame plate.

[0007] In some embodiments, the first frame plate is disposed in parallel with the fourth frame plate, and the second frame plate is disposed in parallel with the third frame plate.

[0008] In some embodiments, a groove is provided along the length direction of the second frame plate, and a plurality of threading clamps are provided inside the groove.

[0009] In some embodiments, the rear end face of the upper connecting frame is provided with a first hinge plate and a second hinge plate in sequence from top to bottom, the rear end face of the lower connecting frame is provided with a third hinge plate and a fourth hinge plate in sequence from top to bottom, and the first hinge plate, the second hinge plate, the third hinge plate and the fourth hinge plate are coaxially provided with a front hinge mounting pin hole.

[0010] In some embodiments, two rear hinged fixing plates are respectively provided at the front and rear ends of the lower end surfaces of the second cross beam and the third cross beam, and the rear hinged fixing plates are coaxially provided with through holes.

[0011] In some embodiments, the first frame plate is provided with threading holes, the upper end surface of the second frame plate is provided with foot pedal fixing holes and brake oil pot fixing holes from front to back, the side of the second frame plate is provided with shock-absorbing spring fixing holes and fender fixing holes, and a tail plate fixing plate is provided at the end of the second frame plate; the third frame plate is provided with chassis protection plate fixing holes, the fourth frame plate is provided with gearbox clutch bearing seat fixing holes, the second frame plate and the third frame plate are both provided with side box fixing holes, and the fourth frame plate is provided with a gear fixing hole.

[0012] In some embodiments, a generator adjustment plate is provided on the second frame plate near the first cross beam, a gearbox fixing hole is provided on the first cross beam near the generator fixing plate, and a brake pump fixing plate is provided on the first cross beam at the position of the brake pedal fixing ear.

[0013] In some embodiments, the upper connecting frame is provided with a direction rod fixing plate.

[0014] In some embodiments, the lower connecting frame is fixedly connected to the position of the third hinged plate with a steering cylinder fixing ear, and the upper end surface of the lower connecting frame is provided with a gearbox fixing hole.

[0015] The above technical solution provided by this application has the following advantages compared with the prior art:

[0016] The utility model discloses an upper connecting frame and a lower connecting frame fixedly connected by a pin shaft, two groups of frame plate components are fixedly assembled on the left and right ends of the upper connecting frame and the lower connecting frame, and then the two groups of frame plate components are connected by a first cross beam, a second cross beam and a third cross beam to form an overall frame structure, which can realize lightweight of the frame while ensuring sufficient overall structural strength of the frame, thereby improving the performance of the loader. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 This is a structural diagram of the frame structure of the utility model for an agricultural mini four-wheel drive loader;

[0019] Figure 2 This is a structural diagram of the frame structure of the utility model for an agricultural mini four-wheel drive loader;

[0020] Figure 3 This is a structural diagram of the frame structure of the utility model for an agricultural mini four-wheel drive loader;

[0021] Figure 4 This is a structural diagram of the frame structure of the utility model for an agricultural mini four-wheel drive loader;

[0022] Figure 5 The utility model is a structural diagram of the frame structure of the agricultural mini four-wheel drive loader.

[0023] Description of Figure Numbers:

[0024] 1-upper connecting frame; 2-lower connecting frame; 3-frame plate assembly; 301-first frame plate; 302-second frame plate; 303-third frame plate; 304-fourth frame plate; 4-oil pipe limiter; 5-first hinged plate; 6-second hinged plate; 7-third hinged plate; 8-fourth hinged plate; 9-first crossbeam; 10-second crossbeam; 11-third crossbeam; 12-threading card plate; 13-clutch pedal fixing plate; 14-brake pedal fixing ear plate; 15-generator fixing plate; 16-brake switch fixing plate; 17-diesel engine fixing plate; 18-rear hinge fixing plate; 19-threading hole; 20-pedal fixing hole; 21-brake oil pot fixing hole; 22-damping spring fixing hole; 23-mudguard fixing hole; 24-tail plate fixing plate; 25-chassis protection plate fixing hole; 26-gearbox clutch shaft Seat fixing hole; 27-side box fixing hole; 28-gear fixing hole; 29-generator adjustment plate; 30-gearbox fixing hole; 31-steering rod fixing plate; 32-steering cylinder fixing ear; 33-brake pump fixing plate; 34-front hinge mounting pin hole; 35-battery rack fixing hole; 36-hydraulic oil tank fixing hole; 37-rear brake pipe through hole; 38-instrument panel fixing hole; 39-first axle pin fixing hole; 40-brake pipe fixing hole; 41-buckle fixing hole; 42-throttle cable fixing plate hole; 43-spare function hole; 44-frame rollover fixing hole; 45-throttle pedal fixing hole; 46-oil pipe limit plate mounting hole; 47-rear hinge oil pipe through hole; 48-second axle pin fixing hole; 49-axle pin hole; 50-third axle pin fixing hole; 51-front hinge direction locking hole; 52-oil drain fixing hole; 53-wire hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0027] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0028] like Figure 1-5 As shown, the utility model proposes a frame structure for an agricultural mini four-wheel drive loader, including an upper connecting frame 1, a lower connecting frame 2 and a frame plate assembly 3, an oil pipe limiting pipe 4 is arranged between the upper connecting frame 1 and the lower connecting frame 2, and a first hinge plate 5 and a second hinge plate 6 are arranged in sequence from top to bottom on the rear end face of the upper connecting frame 1, and a third hinge plate 7 and a fourth hinge plate 8 are arranged in sequence from top to bottom on the rear end face of the lower connecting frame 2.

[0029] Furthermore, two sets of frame plate assemblies 3 are respectively arranged at the left and right ends of the upper connecting frame 1 and the lower connecting frame 2. The specific frame plate assembly 3 includes a first frame plate 301, a second frame plate 302, a third frame plate 303 and a fourth frame plate 304. The first frame plate 301 is arranged on the outer sides of the upper connecting frame 1 and the lower connecting frame 2 and is fixedly connected thereto. One end of the second frame plate 302 is fixedly connected to the upper connecting frame 1, the lower connecting frame 2 and the first frame plate 301, and the other end extends forward. A first crossbeam 9, a second crossbeam 9 and a fourth crossbeam 9 are sequentially arranged between the two second frame plates 302. The first cross beam 9, the second cross beam 10 and the third cross beam 11 are vertically arranged on the two second frame plates 302, and the left and right ends thereof are fixedly connected to the second frame plates 302. The stability of the two sets of frame plate assemblies can be improved by the first cross beam 9, the second cross beam 10 and the third cross beam 11; one end of the third frame plate 303 is fixedly connected to the lower end of the first frame plate 301, and the other end extends forward to a position close to the first cross beam 9, and both ends of the fourth frame plate 304 are fixedly connected to the second frame plate 302 and the third frame plate 303 respectively.

[0030] Among them, the first frame plate 301 is arranged in parallel with the fourth frame plate 304, and the second frame plate 302 is arranged in parallel with the third frame plate 303. The first frame plate 301, the second frame plate 302, the third frame plate 303 and the fourth frame plate 304 are connected to each other to form a rectangular structure, and a groove is provided along the length direction of the second frame plate 302, and a plurality of threading clamps 12 are provided inside the groove to strengthen the strength of the second frame plate 302.

[0031] In this embodiment, a clutch pedal fixing plate 13 is provided on the upper end surface of the left side of the first cross beam 9, a brake pedal fixing ear plate 14 is provided on the upper end surface of the right side thereof, a generator fixing plate 15 is provided on the front end surface of the first cross beam 9, and a brake switch fixing plate 16 is provided on the lower end surface thereof opposite to the brake pedal fixing ear plate 14; a diesel engine fixing plate 17 is provided between the upper end surfaces of the second cross beam 10 and the third cross beam 11, and two rear hinged fixing plates 18 are respectively provided at the front and rear ends of the lower end surfaces thereof, and the rear hinged fixing plates 18 are coaxially provided with through holes.

[0032] In this embodiment, the first frame plate 301 is provided with a threading hole 19, the upper end surface of the second frame plate 302 is provided with a pedal fixing hole 20 and a brake oil pot fixing hole 21 from front to back, the side of the second frame plate 302 is provided with a damping spring fixing hole 22 and a fender fixing hole 23, and a tail plate fixing plate 24 is provided at the end of the second frame plate 302; the third frame plate 303 is provided with a chassis protection plate fixing hole 25, the fourth frame plate 304 is provided with a gearbox clutch bearing seat fixing hole 26, the second frame plate 302 and the third frame plate 303 are both provided with side box fixing holes 27, and the fourth frame plate 304 is provided with a gear fixing hole 28.

[0033] Secondly, a generator adjustment plate 29 is provided at a position of the second frame plate 302 near the first cross beam 9, a gearbox fixing hole 30 is provided at a position of the first cross beam 9 near the generator fixing plate 15 and at the upper end surface of the lower connecting frame 2, a brake pump fixing plate is provided at a position of the first cross beam 9 at the brake pedal fixing ear 14, a steering rod fixing plate 31 is provided at the upper connecting frame 1, a steering cylinder fixing ear 32 is fixedly connected to the lower connecting frame 2 at the position of the third hinge plate 7, a brake pump fixing plate 33 is provided on the first cross beam 9, a front hinge mounting pin hole 34 is coaxially provided at the first hinge plate 5, the second hinge plate 6, the third hinge plate 7 and the fourth hinge plate 8, and a battery rack fixing hole 35 is provided at a position of the second frame plate 302 near the tail plate fixing plate 24.

[0034] The second frame plate 302 and the third frame plate 303 on the other side are both provided with a hydraulic oil tank fixing hole 36, the fourth frame plate 304 is provided with a rear brake pipe through hole 37, the first hinge plate 5 and the first hinge plate 5 are provided with an instrument panel fixing hole 38, the first hinge plate 5 and the third hinge plate 7 are provided with a first axle pin fixing hole 39, the fourth hinge plate 8 is provided with a brake pipe fixing hole 40, the second frame plate is provided with a buckle fixing hole 41, a throttle cable fixing plate hole 42 and a spare function hole 43 The third hinge plate is provided with a frame turning fixing hole 44, the second frame plate is also provided with an accelerator pedal fixing hole 45 and an oil pipe limit plate mounting hole 46, the second cross beam 10 is provided with a rear hinge oil pipe through hole 47, the rear hinge fixing plate 18 is provided with a second axle pin fixing hole 48 and an axle pin hole 49, the fourth hinge plate 8 is provided with a third axle pin fixing hole 50 and a front hinge direction locking hole 51, the second frame plate 302 is provided with an oil drain fixing hole 52, and the first cross beam 9 is provided with a wire hole 53.

[0035] In this embodiment, the upper connecting frame 1 and the lower connecting frame 2 are fixedly connected by a pin shaft 4, and two sets of frame plate assemblies 3 are fixedly assembled on the left and right ends of the upper connecting frame 1 and the lower connecting frame 2. The two sets of frame plate assemblies 3 are then connected by a first cross beam 9, a second cross beam 10 and a third cross beam 11 to form an overall frame structure, which can achieve lightweight frame while ensuring sufficient overall structural strength of the frame, thereby improving the performance of the loader.

[0036] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A frame structure for an agricultural mini four-wheel drive loader, characterized in that: It comprises an upper connecting frame, a lower connecting frame and a frame plate assembly, wherein an oil pipe stopper is arranged between the upper connecting frame and the lower connecting frame, and two groups of the frame plate assemblies are respectively fixedly connected to the left and right ends of the upper connecting frame and the lower connecting frame; A first crossbeam, a second crossbeam and a third crossbeam are sequentially arranged between the two frame plate assemblies, and the first crossbeam, the second crossbeam and the third crossbeam are arranged perpendicular to the two frame plate assemblies, and the left and right ends thereof are fixedly connected to the frame plate assemblies. A clutch pedal fixing plate is provided on the upper end surface of the left side of the first cross beam, a brake pedal fixing lug is provided on the upper end surface of the right side of the first cross beam, a generator fixing plate is provided on the front end surface of the first cross beam, and a brake switch fixing plate is provided on the lower end surface of the first cross beam facing the brake pedal fixing lug; A diesel engine fixing plate is arranged between the upper end surfaces of the second cross beam and the third cross beam, and rear hinge fixing plates are arranged on the lower end surfaces thereof.

2. The frame structure for an agricultural mini four-wheel drive loader according to claim 1, characterized in that: The frame plate assembly includes a first frame plate, a second frame plate, a third frame plate and a fourth frame plate, the first frame plate is arranged on the outer sides of the upper connecting frame and the lower connecting frame and is fixedly connected thereto, one end of the second frame plate is fixedly connected to the upper connecting frame, the lower connecting frame and the first frame plate, and the other end extends forward, one end of the third frame plate is fixedly connected to the lower end of the first frame plate, and the other end extends forward, and both ends of the fourth frame plate are fixedly connected to the second frame plate and the third frame plate respectively.

3. The frame structure for an agricultural mini four-wheel drive loader according to claim 2, characterized in that: The first frame plate is arranged in parallel with the fourth frame plate, and the second frame plate is arranged in parallel with the third frame plate.

4. The frame structure for an agricultural mini four-wheel drive loader according to claim 2, characterized in that: A groove is provided along the length direction of the second frame plate, and a plurality of threading clamps are provided inside the groove.

5. The frame structure for an agricultural mini four-wheel drive loader according to claim 1, characterized in that: The rear end surface of the upper connecting frame is provided with a first hinge plate and a second hinge plate in sequence from top to bottom, and the rear end surface of the lower connecting frame is provided with a third hinge plate and a fourth hinge plate in sequence from top to bottom. The first hinge plate, the second hinge plate, the third hinge plate and the fourth hinge plate are coaxially provided with a front hinge mounting pin hole.

6. The frame structure for an agricultural mini four-wheel drive loader according to claim 1, characterized in that: Two rear hinged fixing plates are respectively provided at the front and rear ends of the lower end surfaces of the second cross beam and the third cross beam, and the rear hinged fixing plates are coaxially provided with through holes.

7. The frame structure for an agricultural mini four-wheel drive loader according to claim 2, characterized in that: The first frame plate is provided with threading holes, the upper end surface of the second frame plate is provided with foot pedal fixing holes and brake oil pot fixing holes in sequence from front to rear, the side surface of the second frame plate is provided with shock-absorbing spring fixing holes and fender fixing holes, and a tail plate fixing plate is provided at the end of the second frame plate; the third frame plate is provided with chassis protection plate fixing holes, the fourth frame plate is provided with gearbox clutch bearing seat fixing holes, the second frame plate and the third frame plate are both provided with side box fixing holes, and the fourth frame plate is provided with a gear fixing hole.

8. The frame structure for an agricultural mini four-wheel drive loader according to claim 2, characterized in that: A generator adjustment plate is provided on the second frame plate near the first cross beam, a gearbox fixing hole is provided on the first cross beam near the generator fixing plate, and a brake pump fixing plate is provided on the first cross beam at the position of the brake pedal fixing ear.

9. The frame structure for an agricultural mini four-wheel drive loader according to claim 1, characterized in that: The upper connecting frame is provided with a direction rod fixing plate.

10. The frame structure for an agricultural mini four-wheel drive loader according to claim 5, characterized in that: The lower connecting frame is located at the position of the third hinged plate and is fixedly connected with a steering cylinder fixing ear, and the upper end surface of the lower connecting frame is provided with a gearbox fixing hole.

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