Connecting rod structure of excavator and using method

Abstract

According to the excavator connecting rod structure and the using method, lifting lugs of the excavator connecting rod structure can be mounted or dismounted in time according to different using environments through a detachable lifting lug mechanism, and the problem that the lifting lugs interfere with other assemblies in the using process of an excavator is solved. Meanwhile, the stability of the lifted object is enhanced through the two lifting lugs; according to the technical scheme, the connecting rod comprises a connecting rod body and a detachable lifting lug mechanism; the connecting rod body comprises a front shaft seat and two rear shaft seats which are coaxially arranged, and a connecting plate is arranged between each rear shaft seat and the front shaft seat; a reinforcing plate is arranged between the two connecting plates; a detachable lifting lug mechanism is arranged on the reinforcing plate; the detachable lifting lug mechanism comprises a buckle and two lifting lugs, wherein the buckle and the two lifting lugs are arranged on the reinforcing plate. The two ends of each lifting lug are fixedly connected with lifting lug connecting plates correspondingly, and the two lifting lugs are connected into an integrated structure through the lifting lug connecting plates. And the lifting lug connecting plate is clamped with the buckle.

Description

Technical Field

[0001] The invention belongs to the technical field of excavators, and in particular relates to an excavator connecting rod structure and a use method thereof. Background Art

[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

[0003] An excavator is an earth-moving machine that uses a bucket to dig materials above or below the bearing surface and loads them into a transport vehicle or unloads them to a stockpile. Currently, excavators have become one of the most important construction machinery in engineering construction. Connecting rods are an important component of the excavator's working device. Although the connecting rod structure in the prior art can complete the function of lifting heavy objects, a connecting rod structure such as that provided in the patent No. CN209653018U still has poor lifting stability, and the structural form in which the lifting ear and the connecting rod are fixedly connected as one is prone to interference with the original structure of the excavator. Summary of the invention

[0004] In response to the above problems, the present invention provides an excavator connecting rod structure and a method of use. Through a detachable lifting ear mechanism, the excavator connecting rod structure can promptly install or remove the lifting ears according to different usage environments, thereby avoiding interference between the lifting ears and other components during the use of the excavator. At the same time, the stability of the lifted object is enhanced by the two lifting ears.

[0005] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0006] In the first aspect, the present invention provides an excavator connecting rod structure, including a connecting rod body and a detachable lifting ear mechanism; the connecting rod body includes a front axle seat and two coaxially arranged rear axle seats, and a connecting plate is arranged between each of the rear axle seats and the front axle seat; a reinforcing plate is arranged between the two connecting plates; a detachable lifting ear mechanism is arranged on the reinforcing plate; the detachable lifting ear mechanism includes a buckle and two lifting ears arranged on the reinforcing plate; each of the two ends of the lifting ear is fixedly connected with a lifting ear connecting plate, and the lifting ear connecting plate connects the two lifting ears into an integrated structure; the lifting ear connecting plate is clamped with the buckle.

[0007] Furthermore, the axes between the front axle seat and the rear axle seat are arranged in parallel.

[0008] Furthermore, the normal direction of the connecting plate is parallel to the axial direction of the front axle seat, and the normal direction of the connecting plate is perpendicular to the normal direction of the reinforcing plate.

[0009] Furthermore, a U-shaped groove is provided in the middle of the connecting end of the reinforcing plate and the rear axle seat, a U-shaped plate is provided in the U-shaped groove, and both ends of the U-shaped plate are fixedly connected to the two rear axle seats respectively.

[0010] Furthermore, there are two buckles in the detachable ear mechanism, and the buckles are respectively composed of a first buckle and a second buckle, the first buckle and the second buckle have the same structure, and the first buckle and the second buckle are arranged in parallel;

[0011] The first buckle is an inverted "J"-shaped structure, the long end of the opening at the lower part of the first buckle is fixedly connected to the reinforcing plate, and the upper part of the first buckle has a first clamping groove formed by an inverted "J"-shaped structure;

[0012] The long end of the opening at the lower part of the second buckle is fixedly connected to the reinforcing plate, and the upper part of the second buckle has a second clamping groove formed by an inverted "J"-shaped structure;

[0013] Three of the first buckles and three of the second buckles are arranged at intervals along the length direction.

[0014] Furthermore, the ear connecting plate includes a first ear connecting plate and a second ear connecting plate, the first ear connecting plate is clamped in a first clamping groove of the first clamping buckle, and the second ear connecting plate is clamped in a second clamping groove of the second clamping buckle.

[0015] Furthermore, the lifting ear includes a first lifting ear and a second lifting ear; one end of the first lifting ear is fixedly connected to one end of the first lifting ear connecting plate, one end of the second lifting ear is fixedly connected to the other end of the first lifting ear connecting plate, the other end of the first lifting ear is fixedly connected to one end of the second lifting ear connecting plate, and the other end of the second lifting ear is fixedly connected to the other end of the second lifting ear connecting plate.

[0016] Furthermore, two first compression springs are arranged between the first lifting ear connecting plate and the reinforcing plate, and the two first compression springs are fixedly connected to the bottom of the first lifting ear connecting plate; two second compression springs are also arranged between the second lifting ear connecting plate and the reinforcing plate, and the two second compression springs are fixedly connected to the bottom of the second lifting ear connecting plate.

[0017] Furthermore, a lubrication hole is provided on the side wall of the rear axle seat, and a grease nipple guard ring is provided on the outside of the side wall of the rear axle seat corresponding to the lubrication hole; a lubrication hole is provided on the side wall of the front axle seat, and a grease nipple guard ring is also provided on the outside of the side wall of the front axle seat corresponding to the lubrication hole.

[0018] In a second aspect, the present invention further provides a method for using an excavator connecting rod structure, comprising:

[0019] When the connecting rod body needs to be hoisted, the detachable lifting ear mechanism is placed on the connecting rod body, the first compression spring and the second compression spring are in contact with the reinforcing plate, and the first lifting ear and the second lifting ear are manually pressed so that the first lifting ear connecting plate compresses the first compression spring and the second lifting ear connecting plate compresses the second compression spring; when the heights of the first lifting ear connecting plate and the second lifting ear connecting plate are lower than the first clip and the second clip, the first lifting ear connecting plate is pushed into the first clip groove, and the second lifting ear connecting plate is also pushed into the second clip groove, and the first lifting ear and the second lifting ear are manually released, and the first compression spring and the second compression spring respectively compress the first lifting ear connecting plate and the second lifting ear connecting plate and compress them by their own elastic force;

[0020] When the detachable lifting ear mechanism needs to be removed, the first lifting ear and the second lifting ear are manually pressed so that the first lifting ear connecting plate compresses the first compression spring and the second lifting ear connecting plate compresses the second compression spring; when the heights of the first lifting ear connecting plate and the second lifting ear connecting plate are lower than the first clip and the second clip, the first lifting ear connecting plate is pulled out of the first slot and the second lifting ear connecting plate is also pulled out of the second slot, so that the detachable lifting ear mechanism can be removed.

[0021] Compared with the prior art, the present invention has the following advantages and positive effects:

[0022] The front axle seat of the connecting rod body of the present invention is connected to two coaxially arranged rear axle seats by a connecting plate parallel to the axial direction of the front axle seat, and a reinforcing plate is provided between the two connecting plates. This layout enhances the overall structural strength and stability of the connecting rod body and can better withstand various forces when the excavator is working; the detachable lifting ear mechanism enables the excavator connecting rod structure to install or remove the lifting ears in time according to different use environments. The design of the detachable lifting ear mechanism facilitates the installation and removal of the lifting ears, and the connection is achieved by clamping the lifting ear connecting plate in the buckle, which is easy to operate.

[0023] The buckle of the present invention is composed of a first buckle and a second buckle with the same structure and arranged in parallel, which can make the lifting ear connecting plate and the lifting ear more stable during use; when the lifting ear connecting plate is connected with the corresponding slot, the clamping spring arranged between it and the reinforcing plate can use its own elastic force to compress them, thereby ensuring the tightness of the connection between the lifting ear connecting plate and the slot, preventing looseness during the operation of the excavator, ensuring that the lifting ear can play a stable role, and at the same time, the lifting ear can be removed in time to avoid interference with other parts of the excavator during the use of the connecting rod body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0025] Figure 1 This is the overall structural diagram of the excavator connecting rod of the present invention;

[0026] Figure 2 It is an overall cross-sectional view of the excavator connecting rod of the present invention;

[0027] Figure 3 This is a structural diagram of the connecting rod body of the present invention.

[0028] In the figure: 1. front axle seat; 2. rear axle seat; 3. connecting plate; 4. reinforcing plate; 5. first buckle; 6. second buckle; 7. first lifting ear; 8. second lifting ear; 9. first lifting ear connecting plate; 10. second lifting ear connecting plate; 11. grease nipple guard ring; 12. first clamping spring; 13. second clamping spring; 14. U-shaped plate. DETAILED DESCRIPTION

[0029] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0030] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless otherwise explicitly stated in the present invention, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof;

[0031] This embodiment discloses an excavator connecting rod structure, such as Figure 1-Figure 3 As shown, it includes a connecting rod body and a detachable lifting ear mechanism; the connecting rod body includes a front axle seat 1 and two coaxially arranged rear axle seats 2, and a connecting plate 3 is arranged between each of the rear axle seats 2 and the front axle seat 1; a reinforcing plate 4 is arranged between the two connecting plates 3; a detachable lifting ear mechanism is arranged on the reinforcing plate 4; the detachable lifting ear mechanism includes a buckle and two lifting ears arranged on the reinforcing plate 4; the two ends of each of the lifting ears are respectively fixedly connected with a lifting ear connecting plate 3, and the lifting ear connecting plate 3 connects the two lifting ears into an integrated structure; the lifting ear connecting plate 3 is clamped with the buckle.

[0032] The two rear axle seats 2 on the connecting rod body are coaxially arranged, and the axes between the front axle seat 1 and the rear axle seat 2 are parallelly arranged, and a connecting plate 3 is arranged between each of the rear axle seats 2 and the front axle seat 1, and the normal direction of the connecting plate 3 is parallel to the axis direction of the front axle seat 1, and the normal direction of the connecting plate 3 is perpendicular to the normal direction of the reinforcing plate 4; the front axle seat 1 of the connecting rod body and the two coaxially arranged rear axle seats 2 are connected by a connecting plate 3 parallel to the axis direction of the front axle seat 1, and a reinforcing plate 4 is arranged between the two connecting plates 3. This layout enhances the overall structural strength and stability of the connecting rod body and can better withstand various forces when the excavator is working; a U-shaped groove is provided in the middle of the connecting end of the reinforcing plate 4 and the rear axle seat 2, and a U-shaped plate 14 is arranged in the U-shaped groove, and the two ends of the U-shaped plate 14 are fixedly connected to the two rear axle seats 2 respectively; the U-shaped plate 14 further strengthens the connection between the reinforcing plate 4 and the rear axle seat 2, thereby improving the stability of the overall structure.

[0033] The reinforcing plate 4 is provided with a detachable lifting ear mechanism; there are two buckles in the detachable lifting ear mechanism, and the buckles are respectively composed of a first buckle 5 and a second buckle 6, the first buckle 5 and the second buckle 6 are of the same structure, and the first buckle 5 and the second buckle 6 are arranged in parallel; the first buckle 5 is an inverted "J"-shaped structure, the long end of the opening at the lower part of the first buckle 5 is fixedly connected to the reinforcing plate 4, the upper part of the first buckle 5 has a first slot formed by an inverted "J"-shaped structure, and a gap is provided between adjacent sections; the long end of the opening at the lower part of the second buckle 6 is fixedly connected to the reinforcing plate 4, the upper part of the second buckle 6 has a second slot formed by an inverted "J"-shaped structure, and the first buckle 5 and the second buckle 6 are arranged three at intervals along the length direction; the lifting ear connecting plate 3 includes A first lifting ear connecting plate 9 and a second lifting ear connecting plate 10, the first lifting ear connecting plate 9 is clamped in the first clamping groove of the first clamping buckle 5, and the second lifting ear connecting plate 10 is clamped in the second clamping groove of the second clamping buckle 6; the lifting ears include a first lifting ear 7 and a second lifting ear 8; one end of the first lifting ear 7 is fixedly connected to one end of the first lifting ear connecting plate 9, one end of the second lifting ear 8 is fixedly connected to the other end of the first lifting ear connecting plate 9, the other end of the first lifting ear 7 is fixedly connected to one end of the second lifting ear connecting plate 10, and the other end of the second lifting ear 8 is fixedly connected to the other end of the second lifting ear connecting plate 10; the gap on the same side of the first clamping buckle 5 and the second clamping buckle 6 is used to accommodate the first lifting ear 7, and the gap on the other side is used to accommodate the second lifting ear 8. The design of the detachable lifting ear mechanism facilitates the installation and disassembly of the first and second lifting ears. The connection is achieved by snapping the first and second lifting ear connecting plates into the buckle, which is easier to operate when the lifting ears need to be repaired, replaced or other related operations are required; the buckle is composed of a first buckle 5 and a second buckle 6 with the same structure and arranged in parallel, which can make the installation of the first and second lifting ear connecting plates and the first and second lifting ears more stable.

[0034] Two first compression springs 12 are arranged between the first lifting ear connecting plate 9 and the reinforcing plate 4, and the two first compression springs 12 are fixedly connected to the bottom of the first lifting ear connecting plate 9. When the first lifting ear connecting plate 9 is inserted into the first slot, the two compression springs can press the first lifting ear connecting plate 9 and the first slot by their own elastic force. Two second compression springs 13 are also arranged between the second lifting ear connecting plate 10 and the reinforcing plate 4, and the two second compression springs 13 are fixedly connected to the bottom of the second lifting ear connecting plate 10. When the second lifting ear connecting plate When 10 is inserted into the second slot, the two compression springs can press the second lifting ear connecting plate 10 and the second slot by their own elastic force; when the lifting ear connecting plate 3 is connected with the corresponding slot, the compression spring arranged between it and the reinforcing plate 4 can press them by their own elastic force, thereby ensuring the tightness of the connection between the first and second lifting ear connecting plates and the slot, preventing looseness during the operation of the excavator, ensuring that the lifting ear can play a stable role, and at the same time, the lifting ear can be removed in time to avoid interference with other parts of the excavator during the use of the connecting rod body.

[0035] A lubrication hole is provided on the side wall of the rear axle seat 2, and a grease nipple guard ring 11 is provided on the outside of the side wall of the rear axle seat 2 corresponding to the lubrication hole; the grease nipple guard ring 11 is used to install a grease nipple for mechanical lubrication; a lubrication hole is provided on the side wall of the front axle seat 1, and a grease nipple guard ring 11 is also provided on the outside of the side wall of the front axle seat 1 corresponding to the lubrication hole; the grease nipple guard ring 11 is used to install a grease nipple for mechanical lubrication.

[0036] Working method:

[0037] When it is necessary to lift an object, the detachable lifting ear mechanism is placed on the connecting rod body, the first compression spring 12 and the second compression spring 13 are in contact with the reinforcing plate 4, and the first lifting ear 7 and the second lifting ear 8 are manually pressed so that the first lifting ear connecting plate 9 compresses the first compression spring 12, and the second lifting ear connecting plate 10 compresses the second compression spring 13; when the heights of the first lifting ear connecting plate 9 and the second lifting ear connecting plate 10 are lower than the first clip 5 and the second clip 6, the first lifting ear connecting plate 9 is pushed into the first clamping groove, and the second lifting ear connecting plate 10 is also pushed into the second clamping groove, and the first lifting ear 7 and the second lifting ear 8 are manually released, and the first compression spring 12 and the second compression spring 13 respectively compress the first lifting ear connecting plate 9 and the second lifting ear connecting plate 10 by their own elastic force;

[0038] When there is no need to lift the object, manually press the first lifting ear 7 and the second lifting ear 8 so that the first lifting ear connecting plate 9 compresses the first compression spring 12 and the second lifting ear connecting plate 10 compresses the second compression spring 13; when the heights of the first lifting ear connecting plate 9 and the second lifting ear connecting plate 10 are lower than the first clip 5 and the second clip 6, the first lifting ear connecting plate 9 is pulled out of the first slot and the second lifting ear connecting plate 10 is also pulled out of the second slot, so that the detachable lifting ear mechanism can be removed.

[0039] Although the above describes the specific implementation mode of the present invention in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the present invention. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art on the basis of the technical solution of the present invention without creative work are still within the scope of protection of the present invention.

Claims

1. An excavator connecting rod structure, characterized in that: It includes a connecting rod body and a detachable lifting ear mechanism; the connecting rod body includes a front axle seat and two coaxially arranged rear axle seats, a connecting plate is arranged between each of the rear axle seats and the front axle seat; a reinforcing plate is arranged between the two connecting plates; a detachable lifting ear mechanism is arranged on the reinforcing plate; the detachable lifting ear mechanism includes a buckle and two lifting ears arranged on the reinforcing plate; both ends of each of the lifting ears are fixedly connected with a lifting ear connecting plate, and the lifting ear connecting plate connects the two lifting ears into an integrated structure; the lifting ear connecting plate is clamped with the buckle.

2. An excavator connecting rod structure as claimed in claim 1, characterized in that: The axes between the front axle seat and the rear axle seat are arranged in parallel.

3. The excavator connecting rod structure according to claim 1, characterized in that: The normal direction of the connecting plate is parallel to the axial direction of the front axle seat, and the normal direction of the connecting plate is perpendicular to the normal direction of the reinforcing plate.

4. The excavator connecting rod structure according to claim 1, characterized in that: A U-shaped groove is provided in the middle of the connecting end of the reinforcing plate and the rear axle seat, a U-shaped plate is provided in the U-shaped groove, and two ends of the U-shaped plate are fixedly connected to the two rear axle seats respectively.

5. The excavator connecting rod structure according to claim 1, characterized in that: There are two buckles in the detachable ear mechanism, and the buckles are respectively composed of a first buckle and a second buckle, the first buckle and the second buckle have the same structure, and the first buckle and the second buckle are arranged in parallel; The first buckle is an inverted "J"-shaped structure, the long end of the opening at the lower part of the first buckle is fixedly connected to the reinforcing plate, and the upper part of the first buckle has a first clamping groove formed by an inverted "J"-shaped structure; The long end of the opening at the lower part of the second buckle is fixedly connected to the reinforcing plate, and the upper part of the second buckle has a second clamping groove formed by an inverted "J"-shaped structure; Three of the first buckles and three of the second buckles are arranged at intervals along the length direction.

6. The excavator connecting rod structure according to claim 5, characterized in that: The ear connecting plate includes a first ear connecting plate and a second ear connecting plate, the first ear connecting plate is clamped in a first clamping groove of the first clamping buckle, and the second ear connecting plate is clamped in a second clamping groove of the second clamping buckle.

7. An excavator connecting rod structure as claimed in claim 6, characterized in that: The lifting ear includes a first lifting ear and a second lifting ear; one end of the first lifting ear is fixedly connected to one end of the first lifting ear connecting plate, one end of the second lifting ear is fixedly connected to the other end of the first lifting ear connecting plate, the other end of the first lifting ear is fixedly connected to one end of the second lifting ear connecting plate, and the other end of the second lifting ear is fixedly connected to the other end of the second lifting ear connecting plate.

8. The excavator connecting rod structure according to claim 7, characterized in that: Two first compression springs are arranged between the first lifting ear connecting plate and the reinforcing plate, and the two first compression springs are fixedly connected to the bottom of the first lifting ear connecting plate; two second compression springs are also arranged between the second lifting ear connecting plate and the reinforcing plate, and the two second compression springs are fixedly connected to the bottom of the second lifting ear connecting plate.

9. The excavator connecting rod structure according to claim 1, characterized in that: A lubrication hole is provided on the side wall of the rear axle seat, and a grease nipple guard ring is provided on the outside of the side wall of the rear axle seat corresponding to the lubrication hole; a lubrication hole is provided on the side wall of the front axle seat, and a grease nipple guard ring is also provided on the outside of the side wall of the front axle seat corresponding to the lubrication hole.

10. A method for using an excavator connecting rod structure according to any one of claims 2 to 9, characterized in that: include: When the connecting rod body needs to be hoisted, the detachable lifting ear mechanism is placed on the connecting rod body, the first compression spring and the second compression spring are in contact with the reinforcing plate, and the first lifting ear and the second lifting ear are manually pressed so that the first lifting ear connecting plate compresses the first compression spring and the second lifting ear connecting plate compresses the second compression spring; when the heights of the first lifting ear connecting plate and the second lifting ear connecting plate are lower than the first clip and the second clip, the first lifting ear connecting plate is pushed into the first clip groove, and the second lifting ear connecting plate is also pushed into the second clip groove, and the first lifting ear and the second lifting ear are manually released, and the first compression spring and the second compression spring respectively compress the first lifting ear connecting plate and the second lifting ear connecting plate and compress them by their own elastic force; When the detachable lifting ear mechanism needs to be removed, the first lifting ear and the second lifting ear are manually pressed so that the first lifting ear connecting plate compresses the first compression spring and the second lifting ear connecting plate compresses the second compression spring; when the heights of the first lifting ear connecting plate and the second lifting ear connecting plate are lower than the first clip and the second clip, the first lifting ear connecting plate is pulled out of the first slot and the second lifting ear connecting plate is also pulled out of the second slot, so that the detachable lifting ear mechanism can be removed.

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