Upper frame of excavator

By installing a rescue slot and a rotatable cover on the excavator's upper frame, the problem of a single rescue passage when the driver overturns is solved, enabling multiple exits for rescue and simplifying production.

CN223813789UActive Publication Date: 2026-01-20SHANDONG DONGYU MECHANICAL EQUIP MFG CO LTD
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Patent Information

Application Number
CN202520205084.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-20
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

The existing excavator chassis has only one door for the cab, which makes it impossible to provide multiple exits for rescue in the event of an accidental rollover, resulting in low rescue efficiency.

Method used

A rescue structure, including a rescue slot and a rotatable top cover, is installed on the driver's cab. Combined with the mounting structure, it facilitates the disassembly and installation of the driver's cab and the connecting plate, providing multiple rescue access points.

Benefits of technology

It improves rescue efficiency in the event of a vehicle tipping over and reduces manufacturing difficulty.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223813789U_ABST
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Abstract

The utility model relates to the technical field of excavators, and discloses an excavator upper frame which comprises a connecting plate, a frame body is fixedly arranged at the upper end of the connecting plate, a cab is fixedly arranged at the upper end of the connecting plate, a front door is rotatably arranged at the front end of the cab, and a rescue groove is formed in the upper end of the cab. A rescue structure is arranged in the rescue groove, the rescue structure comprises a mounting structure arranged between the cab and the connecting plate, the mounting structure comprises two rectangular plates fixedly arranged on one side of the cab, and two rectangular grooves are formed in one side of the frame body; and a fixing piece is fixedly arranged on the frame body. According to the upper frame of the excavator, after the frame body turns on one side, rescue for a driver is accelerated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to excavator technical field, concretely is a kind of excavator upper frame. BACKGROUND

[0002] The upper frame of excavator (also called rotating frame or upper vehicle body) is an important component of excavator, mainly used for supporting the whole upper vehicle part and providing rotation function.

[0003] The prior art patent with publication number CN218970118U proposes an excavator upper frame, which is provided with a rear door behind the radiator between the counterweight and the outer cover. This design can effectively protect the oil tank and facilitate the cleaning of leaves and other debris on the radiator.

[0004] However, the use of the driver's cabin on the frame is only a single door, and when the driver drives unexpectedly, it is impossible to rescue the driver from multiple exits. UTILITY MODEL CONTENT

[0005] The utility model aims to provide an excavator upper frame to solve the problem that the use of the driver's cabin on the upper end of the existing upper frame is only a single door, and when the driver drives unexpectedly, it is impossible to rescue the driver from multiple exits.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an excavator upper frame, comprising a connecting plate, a frame body is fixedly arranged at the upper end of the connecting plate, a driver's cabin is fixedly arranged at the upper end of the connecting plate, a front door is rotatably arranged at the front end of the driver's cabin, a rescue slot is formed at the upper end of the driver's cabin, a rescue structure is arranged inside the rescue slot, the rescue structure comprises an upper cover rotatably arranged on one side inside the rescue slot, a fixed plate is fixedly arranged on the inner wall of the rescue slot, and the upper cover is attached to the upper end of the fixed plate.

[0007] Preferably, a mounting structure is arranged between the driver's cabin and the connecting plate, the mounting structure comprises two rectangular plates fixedly arranged on one side of the driver's cabin, two rectangular slots are formed on one side of the frame body, a fixing member is fixedly arranged on the frame body, a screw rod is arranged inside the fixing member, the screw rod passes through the fixing member and the rectangular plate in sequence, and a nut is threadedly arranged on the outer wall of the screw rod.

[0008] Preferably, two guide rods are fixedly arranged at the lower end of the driver's cabin, and a guide hole is formed in the connecting plate inside the lower end of the guide rod.

[0009] Preferably, the lower end surface of the rectangular plate is attached to the bottom end of the rectangular slot.

[0010] Preferably, a hole-hung plate is fixedly arranged at the upper end of the driver's cabin.

[0011] Preferably, the upper end of the frame body is provided with a digging arm on one side.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1) By setting up the rescue structure, the driver can be rescued through the two rescue channels of the upper cover and the front door after the driver is located in the driving cabin and the vehicle body is tilted in the special case, and the rescue efficiency is improved.

[0014] 2) By setting up the mounting structure, the driving cabin and the connecting plate can be disassembled and mounted, and the production difficulty of the overall frame body can be reduced during production and manufacturing. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic diagram of the upper frame of the excavator in the embodiment of the utility model;

[0016] Figure 2 It is a driving cabin structure schematic diagram in the embodiment of the utility model;

[0017] Figure 3 It is a driving cabin and connecting plate separation structure schematic diagram in the embodiment of the utility model;

[0018] Figure 4 It is Figure 3 An enlarged structure schematic diagram in the embodiment of the utility model.

[0019] In the figure: 1, connecting plate; 2, frame body; 3, driving cabin; 4, front door; 5, rescue structure; 6, rescue groove; 7, upper cover; 8, fixed plate; 9, digging arm; 10, mounting structure; 11, rectangular groove; 12, fixed part; 13, rectangular plate; 14, screw rod; 15, guide hole. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Embodiment one

[0022] In combination with Figures 1-4The utility model provides an excavator upper frame, including the connecting plate 1, the upper end fixed setting of connecting plate 1 is provided with frame body 2, the upper end fixed setting of connecting plate 1 is provided with driving cabin 3, the front end rotationally arranged with front door 4 of driving cabin 3, the upper end of driving cabin 3 is provided with rescue groove 6, rescue structure 5 is arranged in the inside of rescue groove 6, rescue structure 5 includes the upper end of the upper cover 7 rotationally arranged in the inside of one side of rescue groove 6, the inner wall of rescue groove 6 is fixedly provided with fixed plate 8, and the upper cover 7 is attached to the upper end of fixed plate 8.

[0023] Referring to Figure 1 , Figure 3 Further, the lower end of the driving cabin 3 is fixedly provided with two guide rods, the inside of the connecting plate 1 located at the lower end of the guide rod is provided with a guide hole 15, the lower end surface of the rectangular plate 13 is attached to the bottom end of the rectangular groove 11, the upper end of the driving cabin 3 is fixedly provided with a hole-laden hanging plate at the front and rear ends, and the upper end of the frame body 2 is installed with an excavating arm 9 at one side.

[0024] Specifically, after the guide rod enters the guide hole 15, the stability of the driving cabin 3 and the connecting plate 1 can be ensured when they are docked, and the hole-laden hanging plate can be quickly connected with hoisting equipment when the driving cabin 3 and the connecting plate 1 are installed.

[0025] Embodiment two

[0026] Referring to Figure 3 And on the basis of embodiment one, further, the installation structure 10 is arranged between the driving cabin 3 and the connecting plate 1, the installation structure 10 includes two rectangular plates 13 fixedly arranged at one side of the driving cabin 3, two rectangular grooves 11 are arranged at one side of the frame body 2, the frame body 2 is fixedly provided with a fixing piece 12, the inside of the fixing piece 12 is provided with a screw rod 14, and the screw rod 14 sequentially penetrates through the fixing piece 12, the rectangular plate 13 and is externally provided with a nut in a threaded manner.

[0027] Specifically, after the rectangular plate 13 enters the inside of the rectangular groove 11, the driving cabin 3 and the frame body 2 are stacked, the fixing piece 12 is used to arrange the screw rod 14, and the screw rod 14 is used to fix the frame body 2.

[0028] In actual operation, when the driving cabin 3 and the connecting plate 1 are installed, the rectangular plate 13 is placed into the inside of the rectangular groove 11, at this time, the guide rod at the lower end of the driving cabin 3 enters the inside of the guide hole 15, the screw rod 14 penetrates through the fixing piece 12 and then penetrates through the circular hole in the inside of the rectangular plate 13, and the nut is used to fasten the frame body 2;

[0029] When the frame body 2 rolls over during driving of the driver, the rescuer can pull the handle at the upper end of the upper cover 7 to realize rapid rescue of the driver.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An excavator upper frame comprising a connection plate (1), characterized in that: The upper end of the connecting plate (1) is fixedly provided with a frame body (2), and the upper end of the connecting plate (1) is fixedly provided with a driver cabin (3). The front end of the driver cabin (3) is rotatably provided with a front door (4). The upper end of the driver cabin (3) is provided with a rescue groove (6). The rescue groove (6) is internally provided with a rescue structure (5). The rescue structure (5) comprises an upper cover (7) rotatably arranged on one side of the rescue groove (6). The inner wall of the rescue groove (6) is fixedly provided with a fixed plate (8). The upper cover (7) is attached to the upper end of the fixed plate (8).

2. An upper frame for an excavator according to claim 1, characterised in that: The driver cabin (3) and the connecting plate (1) are provided with a mounting structure (10). The mounting structure (10) comprises two rectangular plates (13) fixedly arranged on one side of the driver cabin (3). The frame body (2) is provided with two rectangular grooves (11) on one side. The frame body (2) is fixedly provided with a fixing member (12). The fixing member (12) is internally provided with a screw rod (14). The screw rod (14) sequentially penetrates the fixing member (12), the rectangular plate (13) and is externally provided with a nut in a threaded manner.

3. The upper frame of a power shovel according to claim 1, characterized by: The lower end of the driver cabin (3) is fixedly provided with two guide rods. The connecting plate (1) located below the guide rods is internally provided with a guide hole (15).

4. The upper frame of a power shovel according to claim 2, characterized by: The lower end surface of the rectangular plate (13) is attached to the bottom end of the rectangular groove (11).

5. The upper frame of a power shovel according to claim 1, characterized by: The upper end of the driver cabin (3) is fixedly provided with a hole-hung plate at the front and rear ends.

6. The upper frame of a power shovel according to claim 1, characterized by: The upper end of the frame body (2) is provided with a digging arm (9) on one side.

Citation Information

Patent Citations

  • Upper frame of excavator

    CN218970118U