An excavator speed change mechanism seat assembly

Abstract

The utility model discloses an excavator speed change mechanism seat assembly. In order to solve the problem that people mainly rely on muscle memory to select and change gears in the existing wheel excavator speed change mechanism seat assembly, and muscle memory can only be achieved after long-term training, the utility model adopts a method of arranging a positioning device I (10) on the speed change mechanism seat (5) corresponding to the shift shaft (2), and arranging a positioning device I (10) on the speed change mechanism seat (5) corresponding to the gear selection shaft (7).

Description

Technical Field

[0001] The utility model relates to a speed change mechanism, in particular to an excavator speed change mechanism seat assembly consisting of a speed change mechanism seat, a shift shaft, a shift selector head, a shift shaft, a spring, a shift arm and a shift selector arm. Background Art

[0002] At present, such an excavator speed change mechanism seat assembly is disclosed in the market, and its structural features are as follows: it is composed of a speed change mechanism seat that can be installed on the excavator gearbox, a shift shaft, a shift selector, a shift shaft, a spring, a shift arm and a shift arm, a shift shaft in the speed change mechanism seat is provided with a shift selector, springs are respectively mounted on the shift shafts at both ends of the shift selector, one end of the shift shaft extends out of the speed change mechanism seat and is connected to the shift arm, the shift shaft is arranged vertically with the shift shaft in the speed change mechanism seat, the upper end of the shift shaft extends out of the speed change mechanism seat and is connected to the shift arm, a signal collector is arranged on the speed change mechanism seat at the other end of the shift shaft, and the signal collector passes through the speed change mechanism seat and contacts the other end of the shift shaft. Therefore, when people select and shift, they mainly rely on muscle memory to select and shift, and muscle memory can only be achieved after long-term training. Summary of the invention

[0003] The utility model aims to provide an excavator speed change mechanism seat assembly which enables people who have only undergone short-term training to achieve accurate gear selection and shifting.

[0004] To achieve the above-mentioned purpose, the utility model provides an excavator speed change mechanism seat assembly, which is composed of a speed change mechanism seat that can be installed on a wheel excavator gearbox, a shift shaft, a shift selector head, a shift shaft, a spring, a shift arm and a shift arm. A shift shaft in the speed change mechanism seat is provided with a shift selector head, and springs are respectively mounted on the shift shafts at both ends of the shift selector head. One end of the shift shaft extends out of the speed change mechanism seat and is connected to the shift arm. The shift shaft is arranged in the speed change mechanism seat vertically with the shift shaft. The upper end of the shift shaft extends out of the speed change mechanism seat and is connected to the shift arm. A positioning device I is arranged on the speed change mechanism seat corresponding to the shift shaft, and a positioning device I is arranged on the speed change mechanism seat corresponding to the shift shaft.

[0005] The positioning device I is composed of a steel ball, a spring and an adjusting screw. The steel ball, the spring and the adjusting screw are arranged in the speed change mechanism seat so that the steel ball contacts the shift shaft or the gear selection shaft, and the steel ball contacts the adjusting screw through the spring.

[0006] Boss I, boss II, boss III and boss IV are arranged on the outer surface of the speed change mechanism seat, and through holes for placing steel balls and springs and screw holes for adjusting screws are respectively arranged on boss I, boss II, boss III and boss IV, and the screw holes are arranged at one end of the through holes facing outwards.

[0007] At least two grooves capable of cooperating with the steel balls are arranged on the shift shaft.

[0008] At least two grooves capable of cooperating with the steel balls are arranged on the gear selection shaft.

[0009] A speed change mechanism seat assembly for an excavator can also be composed of a speed change mechanism seat, a shift shaft, a shift selector head, a shift shaft, a spring, a shift arm and a shift arm that can be installed on a wheel excavator gearbox. A shift selector head is arranged on the shift shaft in the speed change mechanism seat, and springs are respectively mounted on the shift shafts at both ends of the shift selector head. One end of the shift shaft extends out of the speed change mechanism seat and is connected to the shift arm. The shift shaft is arranged vertically with the shift shaft in the speed change mechanism seat. The upper end of the shift shaft extends out of the speed change mechanism seat and is connected to the shift arm. A positioning device II is arranged on the speed change mechanism seat corresponding to the shift shaft, and a positioning device II is arranged on the speed change mechanism seat corresponding to the shift shaft.

[0010] The positioning device II is composed of a steel ball and a spring. The steel ball and the spring are arranged in the shift shaft or the gear selection shaft so that the steel ball contacts the speed change mechanism seat. Two steel balls are respectively installed at both ends of the spring.

[0011] A through hole for accommodating a steel ball and a spring is arranged along the radial direction on the shift shaft.

[0012] A through hole for accommodating a steel ball and a spring is arranged along the radial direction on the gear selection shaft.

[0013] At least two grooves that can cooperate with steel balls are arranged on the inner hole surface of the transmission mechanism seat for the shift shaft to extend out, and at least two grooves that can cooperate with steel balls are arranged on the inner hole surface of the transmission mechanism seat for the shift shaft to extend out.

[0014] With this structure, since a positioning device I is provided on the transmission mechanism seat corresponding to the shift shaft, and a positioning device I is provided on the transmission mechanism seat corresponding to the gear selection shaft, the purpose of enabling people who have only undergone short-term training to achieve accurate gear selection and shifting is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] Attached Figure 1 The utility model is a three-dimensional schematic diagram of a speed change mechanism seat assembly of an excavator.

[0017] Attached Figure 2 The utility model is a main sectional schematic diagram of an excavator speed change mechanism seat assembly.

[0018] Attached Figure 3 Yes Figure 2 Schematic diagram of the cross-section of the government building.

[0019] Attached Figure 4It is a three-dimensional schematic diagram of another implementation manner of an excavator speed change mechanism seat assembly of the utility model.

[0020] Attached Figure 5 It is a main cross-sectional schematic diagram of another implementation manner of an excavator speed change mechanism seat assembly of the utility model.

[0021] Attached Figure 6 Yes Figure 5 Schematic diagram of the cross-section of the government building.

[0022] In the figure: 1. shift arm 2. shift shaft 3. boss I 4. selector arm 5. speed change mechanism seat 6. boss III 7. selector shaft 8. boss IV 9. boss II 10. positioning device I 11. positioning device II. DETAILED DESCRIPTION

[0023] Attached Figure 1 , Attachment Figure 2 and attached Figure 3 The utility model is shown in the figure, which is an excavator transmission mechanism seat assembly, and is composed of a transmission mechanism seat 5 that can be installed on a wheel excavation gearbox, a shift shaft 2, a shift selector head, a shift shaft 7, a spring, a shift arm 1 and a shift arm 4. The shift shaft 2 in the transmission mechanism seat 5 is provided with a shift selector head, and springs are respectively mounted on the shift shaft 2 at both ends of the shift selector head. One end of the shift shaft 2 extends out of the transmission mechanism seat 5 and is connected to the shift arm 1. The shift shaft 7 is vertically arranged in the transmission mechanism seat 5, and the upper end of the shift shaft 7 extends out of the transmission mechanism seat 5 and is connected to the shift arm 4. A positioning device Ⅰ10 is arranged on the transmission mechanism seat 5 corresponding to the shift shaft 2, and a spring Ⅰ10 is arranged on the transmission mechanism seat 5 corresponding to the shift shaft 7. There is a positioning device Ⅰ10; the positioning device Ⅰ10 is composed of a steel ball, a spring and an adjusting screw, and the steel ball, spring and adjusting screw are arranged in the speed change mechanism seat 5, so that the steel ball contacts the shift shaft 2 or the gear selection shaft 7, and the steel ball contacts the adjusting screw through the spring; a boss Ⅰ3, a boss Ⅱ9, a boss Ⅲ6 and a boss Ⅳ8 are arranged on the outer surface of the speed change mechanism seat 5, and a through hole for placing the steel ball and the spring and a screw hole for the adjusting screw are respectively arranged on the boss Ⅰ3, the boss Ⅱ9, the boss Ⅲ6 and the boss Ⅳ8, and the screw hole is arranged at one end of the through hole facing outward; at least two grooves that can cooperate with the steel ball are arranged on the shift shaft 2; at least two grooves that can cooperate with the steel ball are arranged on the gear selection shaft 7.

[0024] Attached Figure 4 , Attachment Figure 5 and attached Figure 6The speed change mechanism seat assembly of an excavator shown in the figure can also be composed of a speed change mechanism seat 5, a shift shaft 2, a shift selector, a shift shaft 7, a spring, a shift arm 1 and a shift arm 4 that can be installed on a wheel excavator gearbox. A shift selector is provided on the shift shaft 2 in the speed change mechanism seat 5. Springs are respectively mounted on the shift shaft 2 at both ends of the shift selector. One end of the shift shaft 2 extends out of the speed change mechanism seat 5 and is connected to the shift arm 1. The shift shaft 7 is arranged in the speed change mechanism seat 5 vertically with the shift shaft 2. The upper end of the shift shaft 7 extends out of the speed change mechanism seat 5 and is connected to the shift arm 4. A positioning device II 11 is provided on the speed change mechanism seat 5 corresponding to the shift shaft 2. A positioning device II11 is provided on the transmission mechanism seat 5; the positioning device II11 consists of a steel ball and a spring, which are arranged in the shift shaft 2 or the select shaft 7 so that the steel ball contacts the transmission mechanism seat 5, and two steel balls are respectively installed at both ends of the spring; a through hole is provided along the radial direction on the shift shaft 2 for accommodating the steel ball and the spring; a through hole is provided along the radial direction on the select shaft 7 for accommodating the steel ball and the spring; at least two grooves that can cooperate with the steel ball are provided on the inner hole surface of the transmission mechanism seat 5 for accommodating the extension of the shift shaft 2, and at least two grooves that can cooperate with the steel ball are provided on the inner hole surface of the transmission mechanism seat 5 for accommodating the extension of the select shaft 7.

Claims

1. An excavator transmission mechanism seat assembly, which is composed of a transmission mechanism seat that can be installed on a wheel excavation gearbox, a shift shaft, a shift selector, a shift shaft, a spring, a shift arm and a shift arm. The shift shaft in the transmission mechanism seat is provided with a shift selector, and springs are respectively mounted on the shift shafts at both ends of the shift selector. One end of the shift shaft extends out of the transmission mechanism seat and is connected to the shift arm. The shift shaft is arranged vertically with the shift shaft in the transmission mechanism seat, and the upper end of the shift shaft extends out of the transmission mechanism seat and is connected to the shift arm. The characteristics are: A positioning device I (10) is provided on the speed change mechanism seat (5) corresponding to the shift shaft (2), and a positioning device I (10) is provided on the speed change mechanism seat (5) corresponding to the shift shaft (7).

2. The excavator speed change mechanism seat assembly according to claim 1, characterized in that: The positioning device I (10) is composed of a steel ball, a spring and an adjusting screw. The steel ball, the spring and the adjusting screw are arranged in a speed change mechanism seat (5) so that the steel ball contacts the shift shaft (2) or the gear selection shaft (7), and the steel ball contacts the adjusting screw through the spring.

3. The excavator speed change mechanism seat assembly according to claim 2, characterized in that: A boss I (3), a boss II (9), a boss III (6) and a boss IV (8) are arranged on the outer surface of the speed change mechanism seat (5), and through holes for placing steel balls and springs and screw holes for adjusting screws are respectively arranged on the boss I (3), the boss II (9), the boss III (6) and the boss IV (8), and the screw holes are arranged at one end of the through holes facing outwards.

4. The excavator speed change mechanism seat assembly according to claim 1, characterized in that: At least two grooves capable of cooperating with steel balls are arranged on the shift shaft (2).

5. The excavator speed change mechanism seat assembly according to claim 1, characterized in that: At least two grooves capable of cooperating with steel balls are arranged on the gear selection shaft (7).

6. An excavator transmission mechanism seat assembly, which is composed of a transmission mechanism seat that can be installed on a wheel excavator gearbox, a shift shaft, a shift selector, a shift shaft, a spring, a shift arm and a shift arm. The shift shaft in the transmission mechanism seat is provided with a shift selector, and springs are respectively mounted on the shift shafts at both ends of the shift selector. One end of the shift shaft extends out of the transmission mechanism seat and is connected to the shift arm. The shift shaft is arranged vertically with the shift shaft in the transmission mechanism seat, and the upper end of the shift shaft extends out of the transmission mechanism seat and is connected to the shift arm. The characteristics are: A positioning device II (11) is provided on the speed change mechanism seat (5) corresponding to the shift shaft (2), and a positioning device II (11) is provided on the speed change mechanism seat (5) corresponding to the shift shaft (7).

7. The excavator speed change mechanism seat assembly according to claim 6, characterized in that: The positioning device II (11) is composed of a steel ball and a spring. The steel ball and the spring are arranged in the shift shaft (2) or the gear selection shaft (7) so that the steel ball contacts the speed change mechanism seat (5). Two steel balls are respectively installed at both ends of the spring.

8. The excavator speed change mechanism seat assembly according to claim 6, characterized in that: A through hole for accommodating a steel ball and a spring is provided on the shift shaft (2) along the radial direction.

9. The excavator speed change mechanism seat assembly according to claim 6, characterized in that: A through hole for accommodating a steel ball and a spring is provided on the gear selection shaft (7) along the radial direction.

10. The excavator speed change mechanism seat assembly according to claim 6, characterized in that: At least two grooves capable of cooperating with steel balls are arranged on the inner hole surface of the speed change mechanism seat (5) for the gear shift shaft (2) to extend out, and at least two grooves capable of cooperating with steel balls are arranged on the inner hole surface of the speed change mechanism seat (5) for the gear selection shaft (7) to extend out.

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