Lifting type gear shifting manipulator

Abstract

The utility model relates to a lifting type gear shifting manipulator which comprises two gear shifting rocker arms installed on an installation base through a rotating shaft, arc-shaped clamping grooves are formed in the lower portions of the gear shifting rocker arms, and corresponding ball screws are installed on the installation base. A swing arm is arranged at the front part of the gear-shifting rocker arm; arc-shaped guide grooves are formed in the upper portions of the two gear shifting rocker arms in the front-back direction, a gear shifting groove is formed in the middle of the guide groove of one gear shifting rocker arm upwards, and a gear shifting groove is formed in the middle of the guide groove of the other gear shifting rocker arm downwards. A lifting block is arranged between the two gear shifting rocker arms, the lifting block is arranged on the rotating shaft in a sleeving mode through a long-strip-shaped hole, the two sides of the upper portion of the lifting block are each provided with a gear shifting shifting block, the two gear shifting shifting blocks are located in guide grooves and gear shifting grooves in the two gear shifting rocker arms respectively, a lifting cylinder is fixedly connected to the upper portion of the lifting block, and an operating rod is arranged in the lifting cylinder. The lower end and the upper end of the operating rod are fixedly connected with the rotating shaft and the gear shifting handball respectively, a spring is arranged between the gear shifting handball and the lifting cylinder, and a lifting handle is arranged on the upper portion of the lifting cylinder.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle gear shifting technical field, concretely relates to a lifting type gear shifting manipulator. BACKGROUND

[0002] The agricultural machinery is used in crop planting and livestock production, and the agricultural machinery is used in the initial processing and treatment of agricultural and livestock products. The agricultural machinery includes crop harvesting machinery and agricultural transport machinery. At present, under the driving of rural labor transfer and other factors, the domestic land transfer speed is accelerated, the single land area is increased, the plowing road is widened, the crop yield per mu is continuously improved, and the user's requirement for the working efficiency of the combine harvester is higher and higher. The gear shifter structure of the existing harvester is complex, and after being used for a long time, various parts are not closely matched, which leads to excessive wear and causes heavy gear shifting and inconvenient use. In view of the above problems, the utility model provides a lifting type gear shifting manipulator, which is light in structure design and convenient and safe to use. CONTENT

[0003] The utility model relates to a lifting type gear shifting manipulator, which is light in structure design and convenient and safe to use.

[0004] To solve the above problems, the utility model adopts the technical scheme of:

[0005] A lifting type gear shifting manipulator comprises a mounting seat, two gear shifting rocker arms rotatable around a rotating shaft are mounted on the mounting seat, an arc-shaped clamping groove is formed in the lower part of the gear shifting rocker arm, two limiting blocks are symmetrically arranged on the lower part of the gear shifting rocker arm before and after the arc-shaped clamping groove, two wave bead screws corresponding to the two arc-shaped clamping grooves are mounted on the mounting seat; an oscillating arm is arranged on the front part of the gear shifting rocker arm, a connecting pin for connecting a flexible shaft is arranged on the oscillating arm; arc-shaped guide grooves are formed in the upper parts of the two gear shifting rocker arms along the front-to-back direction, a gear shifting groove is formed in the middle part of the guide groove of one of the gear shifting rocker arms upwards, and a gear shifting groove is formed in the middle part of the guide groove of the other gear shifting rocker arm downwards.

[0006] A lifting block is arranged between the two gear shifting rocker arms, the lifting block is sleeved on the rotating shaft through a long-hole sleeve, a gear shifting block is arranged on each of the two sides of the upper part of the lifting block, the two gear shifting blocks are located in the guide grooves and the gear shifting grooves on the two gear shifting rocker arms respectively, a lifting cylinder is fixedly connected to the upper part of the lifting block, a second through hole is arranged between the long-hole sleeve and the lifting cylinder on the lifting block, the second through hole is coaxially arranged with the lifting cylinder, a control rod is arranged in the lifting cylinder, the lower end of the control rod is fixedly connected with the rotating shaft, and the upper end of the control rod is fixedly connected with a gear shifting handball, a spring is arranged between the gear shifting handball and the upper end of the lifting cylinder, and a lifting handle is arranged on the upper part of the lifting cylinder.

[0007] As an embodiment of the utility model, the first through hole coaxial with the second through hole is arranged in the middle of the rotating shaft along the radial direction, the first through hole has a smaller diameter than the second through hole, the lower part of the operating rod is provided with a shaft shoulder, the diameter of the operating rod at the upper part of the shaft shoulder is larger than the diameter of the operating rod at the lower part of the shaft shoulder, the upper and lower ends of the operating rod are provided with external threads, the upper end of the operating rod is screwed together with the shift knob, and the lower end of the operating rod is screwed together with the nut after passing through the first through hole.

[0008] As an embodiment of the utility model, the second through hole penetrates through the pulling block downward, the lower end of the operating rod is sleeved with the supporting cylinder after passing through the first through hole, and the supporting cylinder is locked by the nut after passing through the second through hole.

[0009] As an embodiment of the utility model, the shaft shoulder part of the operating rod and the upper end of the supporting cylinder are both provided with arc surfaces matched with the outer contour of the rotating shaft.

[0010] As an embodiment of the utility model, the inner diameter of the pulling cylinder is the third through hole, the upper end of the pulling cylinder is coaxially fixed with a protective sleeve, and the inner diameter of the protective sleeve is larger than the diameter of the third through hole; the shift knob is a hollow shell with an open lower end, the size of the opening is matched with the outer diameter of the protective sleeve, an internal thread sleeve is fixedly arranged in the middle of the shift knob, the internal thread sleeve is fixedly connected to the inner wall of the shift knob through a mounting plate, the spring is arranged in the protective sleeve, the upper end of the spring abuts against the mounting plate, and the lower end of the spring abuts against the top end of the pulling cylinder.

[0011] As an embodiment of the utility model, the mounting seat comprises a bottom plate and two vertical plates arranged on the bottom plate and parallel to each other, the rotating shaft is arranged between the two vertical plates, and a spacer sleeve is arranged between the vertical plate and the shift rocker arm and between the shift rocker arm and the pulling block.

[0012] As an embodiment of the utility model, a connecting hole for mounting a flexible shaft is arranged below the two connecting pins on the bottom plate.

[0013] As an embodiment of the utility model, a positioning plate is arranged below the shift rocker arm between the two vertical plates, the wave bead screw is screwed on the positioning plate and locked by a nut; when the wave bead screw is clamped in the arc-shaped clamping groove of the shift rocker arm, the shift knob at the same shift rocker arm is located at the middle part of the guide groove.

[0014] As an embodiment of the utility model, the lifting cylinder includes a lower sleeve at the lower part and an upper sleeve at the upper part, the lower sleeve and the upper sleeve have the same outer diameter, the lower sleeve is provided with a connecting sleeve at the top, the connecting sleeve is provided with an internal thread, and the lower end of the upper sleeve is provided with an external thread matched with the connecting sleeve.

[0015] As an embodiment of the utility model, the lifting handle is arranged at the upper end of the upper sleeve and includes two annular plates arranged in the upper and lower directions.

[0016] The above technical scheme has the following beneficial effects:

[0017] The lifting type gear shifting manipulator provided by the utility model has the advantages of ingenious structure design, light weight, and the following advantages: under normal conditions, the two gear shifting knobs on the two sides of the lifting block are located in the guide grooves and the downwardly arranged gear shifting grooves of the two gear shifting rocker arms respectively, at this time, the gear shifting knobs are in the neutral position, and the gear shifting rocker arms are positioned by the wave bead screw and the arc-shaped clamping groove; when the operating rod is moved forward and backward, the gear shifting rocker arms can be moved forward and backward by the gear shifting knobs located in the gear shifting grooves, so that the gear position is changed, and the other gear shifting knobs located in the guide grooves are moved along the guide grooves and cannot drive the gear shifting rocker arms to move; when gear shifting is needed, the lifting handle is pulled upward, at this time, the two gear shifting knobs are moved upward simultaneously, the gear shifting knobs located in the gear shifting grooves are transferred to the guide grooves, and the gear shifting knobs located in the guide grooves are transferred to the upwardly arranged gear shifting grooves; when the operating rod is moved forward and backward, the gear shifting rocker arms can be moved forward and backward by the gear shifting knobs located in the gear shifting grooves, so that the gear position is changed, and the other gear shifting knobs located in the guide grooves are moved along the guide grooves and cannot drive the gear shifting rocker arms to move. The lifting type gear shifting can realize the change of multiple gear positions by lifting and lowering the lifting handle and moving the operating rod forward and backward, and the gear shifting operation is smoother, lighter, and more convenient and safe. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model.

[0019] Figure 2 is another angle structural schematic view of the utility model.

[0020] Figure 3 is still another angle structural schematic view of the utility model.

[0021] Figure 4 is a structural schematic view of the mounting seat, the gear shifting rocker arm and the positioning mechanism in the utility model.

[0022] Figure 5 is a structural schematic view of the gear shifting rocker arm and the positioning mechanism in the utility model.

[0023] Figure 6Is the structure schematic diagram of the pull block, pull cylinder, control rod and shift knob of the utility model.

[0024] Figure 7 Is the structure schematic diagram of the pull block, pull cylinder and shift knob of the utility model.

[0025] Figure 8 Is the structure schematic diagram of the pull block and pull cylinder of the utility model.

[0026] Figure 9 Is the structure schematic diagram of the shift knob of the utility model.

[0027] Figure 10 Is the front view structure schematic diagram of the pull block, pull cylinder and shift knob of the utility model.

[0028] Figure 11 Is Figure 10 The section view structure schematic diagram of A-A in the utility model.

[0029] Figure 12 Is the connection structure schematic diagram of the pull cylinder, shift knob and control rod of the utility model.

[0030] Figure 13 Is the structure schematic diagram of the control rod of the utility model.

[0031] Wherein: 1 bottom plate, 101 connecting hole, 2 vertical plate, 3 positioning plate, 4 wave bead screw, 5 nut, 6 shift rocker, 601 mounting hole, 7 arc-shaped clamping groove, 8 limit block, 9 upper guide groove, 10 upper gear shifting groove, 11 lower gear shifting groove, 12 lower guide groove, 12 swing arm, 1301 connecting pin, 14 rotating shaft, 15 first via hole, 16 pull block, 17 shift knob, 18 long hole, 19 second via hole, 20 lower sleeve, 2001 connecting sleeve, 21 upper sleeve, 22 pull handle, 23 third via hole, 24 protective sleeve, 25 control rod, 2501 shaft shoulder, 26 supporting cylinder, 27 shift knob, 28 mounting plate, 29 internal thread sleeve, 30 spring. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is described clearly and completely below by combining with specific embodiments.

[0033] For example, Figures 1-13The pull type gear shifting controller shown in the embodiment comprises a mounting seat, two gear shifting rocker arms 6 with the same outer contour are mounted on the mounting seat and can rotate around the rotating shaft 14, the gear shifting rocker arms 6 are provided with mounting holes 601 corresponding to the rotating shaft 14, the lower part of the gear shifting rocker arms 6 is provided with an arc-shaped clamping groove 7, the lower part of the gear shifting rocker arms 6 is symmetrically provided with two limiting blocks 8 on the front and back sides of the arc-shaped clamping groove 7, the mounting seat is provided with two wave bead screws 4 corresponding to the two arc-shaped clamping grooves 7 respectively; the gear shifting rocker arms 6 are provided with a swing arm 12 at the front part, the swing arm 12 is provided with a connecting pin 13 for connecting a flexible shaft; the upper part of the two gear shifting rocker arms 6 is provided with an arc-shaped guide groove along the front and back direction, the middle part of the guide groove of one of the gear shifting rocker arms 6 is provided with a gear shifting groove upward, the middle part of the guide groove of the other gear shifting rocker arm 6 is provided with a gear shifting groove downward.

[0034] The pull block 16 is arranged between the two gear shifting rocker arms 6, the pull block 16 is sleeved on the rotating shaft 14 through the long strip hole 18, the length direction of the long strip hole 18 is arranged along the up and down direction of the pull block 16, the upper part of the pull block 16 is provided with a gear shifting block 17 on each side, the two gear shifting blocks 17 are arranged in the guide groove and the gear shifting groove on the two gear shifting rocker arms 6 respectively, the pull block 16 is fixedly connected with a pull cylinder above, the second through hole 19 is arranged between the long strip hole 18 and the pull cylinder on the pull block 16, the second through hole 19 is coaxially arranged with the pull cylinder, the pull cylinder is provided with a control rod 25, the lower end of the control rod 25 is fixedly connected with the rotating shaft 14, the upper end of the control rod 25 is fixedly connected with a gear shifting hand ball 27, the gear shifting hand ball 27 is arranged between the upper end of the pull cylinder and the spring 30, under the action of the spring 30 and its own gravity, the upper end of the long strip hole 18 on the pull block 16 is in contact with the rotating shaft 14, the two gear shifting blocks 17 are arranged in the guide groove and the gear shifting groove downward on the two gear shifting rocker arms 6 respectively, the spring 30 can be slightly in the compressed state, the upper part of the pull cylinder is provided with a pull handle 22, the pull cylinder is pulled upward through the pull handle 22, and the pull block 16 is driven to move upward.

[0035] In the embodiment, the upper guide groove 9 is arranged on one of the gear shifting rocker arms 6, the lower gear shifting groove 11 is arranged in the middle part of the upper guide groove 9 downward, the lower guide groove 12 is arranged on the other gear shifting rocker arm 6, the upper gear shifting groove 10 is arranged in the middle part of the lower guide groove 12 upward, the upper guide groove 9 and the upper gear shifting groove 10 are arranged at the same height, and the lower gear shifting groove 11 and the lower guide groove 12 are arranged at the same height; when the gear shifting block 17 on one side of the pull block 16 is arranged in the upper guide groove 9, the gear shifting block 17 on the other side of the pull block 16 is arranged in the upper gear shifting groove 10, when the gear shifting block on one side of the pull block 16 is arranged in the lower gear shifting groove 11, the gear shifting block 17 on the other side of the pull block 16 is arranged in the lower guide groove 12.

[0036] The pull type gear shifting manipulator structure is designed ingeniously and light in weight. In normal state, the two gear shifting blocks 17 on both sides of the pull block 16 are respectively located in the lower guide groove 12 and the lower gear shifting groove 11 of the two gear shifting rocker arms 6, at this time, it is in the neutral position, and the gear shifting rocker arms 6 are positioned by the wave bead screw 4 and the arc-shaped clamping groove 7. When the front and rear moving control rod 25 is moved, the gear shifting block 17 located in the lower gear shifting groove 11 drives the gear shifting rocker arm 6 to move forward and backward, so as to realize the change of the gear position, and the other gear shifting block 17 located in the guide groove moves along the lower guide groove 12 and does not drive the gear shifting rocker arm 6 to move. When gear shifting is needed, the pull handle 22 is pulled upward, at this time, the two gear shifting blocks 17 move upward at the same time, the gear shifting block 17 located in the lower gear shifting groove 11 is transferred to the upper guide groove 9, the gear shifting block 17 located in the lower guide groove 12 is transferred to the upwardly opened upper gear shifting groove 10, when the front and rear moving control rod 25 is moved, the gear shifting block 17 located in the upper gear shifting groove 10 drives the gear shifting rocker arm 6 to move forward and backward, so as to realize the change of the gear position, and the other gear shifting block 17 located in the upper guide groove 9 moves along the upper guide groove 9 and does not drive the gear shifting rocker arm 6 to move. The change of multiple gear positions can be realized by pulling down the pull handle 22 and moving the control rod 25 forward and backward. The pull type gear shifting makes the gear shifting operation more smooth, light and convenient and safe.

[0037] As shown in Figure 4 , Figure 6 , Figure 7 and Figure 13 , the first through hole 15 coaxial with the second through hole 19 is formed in the middle of the rotating shaft 14 along the radial direction, the diameter of the first through hole 15 is smaller than that of the second through hole 19, the lower part of the control rod 25 is provided with a shaft shoulder 2501, the diameter of the control rod 25 located at the upper part of the shaft shoulder 2501 is larger than that of the control rod 25 located at the lower part of the shaft shoulder 2501, the diameter of the control rod 25 located at the lower part of the shaft shoulder 2501 is matched with the diameter of the first through hole 15, and the upper and lower ends of the control rod 25 are provided with external threads, the upper end of the control rod 25 is screwed together with the gear shifting hand ball 27, and the lower end of the control rod 25 is screwed together with the nut after passing through the first through hole 15.

[0038] As shown in Figure 3 , Figure 6 and Figure 7 , the second through hole 19 penetrates the pull block 16 downward, the lower end of the control rod 25 is sleeved with the supporting cylinder 26 after passing out of the first through hole 15, the outer diameter of the supporting cylinder 26 is matched with the inner diameter of the second through hole 19 and leaves a movement gap, and the supporting cylinder 26 is locked by the nut 5 after passing out of the lower end of the second through hole 19. The control rod 25 can be fixed on the rotating shaft 14 by the shaft shoulder 2501, the supporting cylinder 26 and the nut 5.

[0039] As further optimization, the shaft shoulder 2501 of the operating lever 25 and the upper end of the supporting cylinder 26 are both provided with arc-shaped surfaces matching the outer contour of the rotating shaft 14, which can make the operating lever 25 and the supporting cylinder 26 more stably fastened on the rotating shaft 14, preventing the rotating shaft 14 from rotating after the nut 5 loosens.

[0040] As shown in Figure 8 , Figure 9 , Figure 11 and Figure 12 , the inner diameter of the pulling cylinder is the third through hole 23, and the upper end of the pulling cylinder is coaxially and fixedly provided with a sheath 24, and the inner diameter of the sheath 24 is greater than the hole diameter of the third through hole 23; the shift knob 27 is a hollow spherical shell with an open lower end, and the opening size matches the outer diameter of the sheath 24, and the shift knob 27 is fixedly provided with an inner threaded sleeve 29 in the middle, and the inner threaded sleeve 29 is fixedly connected to the inner wall of the shift knob 27 through a mounting plate 28, and the spring 30 is arranged in the sheath 24, and the upper end of the spring 30 abuts against the mounting plate 28, and the lower end of the spring 30 abuts against the top end of the pulling cylinder.

[0041] As shown in Figures 1-4 , the mounting seat includes a bottom plate 1 and two vertical plates 2 arranged vertically on the bottom plate 1, and the rotating shaft 14 is arranged between the two vertical plates 2, and a spacer sleeve is arranged between the vertical plate 2 and the shift rocker arm 6 and between the shift rocker arm 6 and the pulling block 16 to prevent the shift rocker arm 6 and the pulling block 16 from shaking along the rotating shaft 14.

[0042] As shown in Figure 1 , the bottom plate 1 is provided with a connecting hole 101 below the two connecting pins 13 for installing the flexible shaft. The flexible shaft is installed on the bottom plate 1 through the connecting hole 101, and the free end of the pull wire is sleeved on the connecting pin 1301 and then limited by the latch.

[0043] As shown in Figure 2 , Figure 4 and Figure 5 , a positioning plate 3 is arranged between the two vertical plates 2 below the shift rocker arm 6, and the wave bead screw 4 is threadedly connected to the positioning plate 3 and locked by the nut 5; when the arc-shaped clamping groove 7 moves to the position of the wave bead screw 4, the ball is abutted against the arc-shaped clamping groove 7 under the action of the spring, and with the swinging of the shift rocker arm 6, the wave bead screw 4 is separated from the arc-shaped clamping groove 7, and in the process of entering and separating from the arc-shaped clamping groove 7, the resistance will make the operating lever 25 get obvious feedback; when the limiting block 8 contacts the wave bead screw 4, the shift rocker arm 6 stops swinging; when the wave bead screw 4 is clamped in the arc-shaped clamping groove 7 of the shift rocker arm 6, the shift knob 17 at the same shift rocker arm 6 is located at the middle position of the guide groove.

[0044] As further optimization, as shown in Figures 6-8 , Figure 10 andFigure 11 As shown in the drawings, the lifting cylinder comprises a lower sleeve 20 at the lower part and an upper sleeve 21 at the upper part, the outer diameters of the lower sleeve 20 and the upper sleeve 21 are the same, the top of the lower sleeve 20 is provided with a connecting sleeve 2001, the connecting sleeve 2001 is provided with an internal thread, the lower end of the upper sleeve 21 is provided with an external thread matched with the connecting sleeve 2001; a conical corrugated rubber sheath is arranged on the upper part of the connecting sleeve 2001 on the lifting cylinder; by setting the lifting cylinder in a detachable form, the installation of the corrugated rubber sheath is facilitated.

[0045] As shown in the drawings, Figure 1 and Figure 10 As shown in the drawings, the lifting handle 22 is arranged on the upper end of the upper sleeve 21 and comprises two annular plates arranged in an upper-lower interval.

[0046] Although the utility model has been described in detail with reference to the foregoing embodiments, the skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A pull-type shift operator characterized by: It includes the mounting seat, two shift rocker arms (6) are installed on the mounting seat and can rotate around the rotating shaft (14), the lower part of the shift rocker arm (6) is provided with an arc-shaped clamping groove (7), the lower part of the shift rocker arm (6) is provided with two limit blocks (8) on the two sides of the arc-shaped clamping groove (7) in front and back, the mounting seat is provided with two wave bead screws (4) corresponding to the two arc-shaped clamping grooves (7) respectively; The shift rocker arm (6) is provided with a swing arm (12) at the front, and the swing arm (12) is provided with a connecting pin (13) for connecting the soft shaft; The upper part of the two shift rocker arms (6) is provided with an arc-shaped guide groove in the front and back direction, and the middle part of the guide groove of one of the shift rocker arms (6) is provided with a gear shifting groove upward, and the middle part of the guide groove of the other shift rocker arm (6) is provided with a gear shifting groove downward. Pulling block (16) is provided between the two shift rocker arms (6), the pulling block (16) is sleeved on the rotating shaft (14) through the long hole (18), the pulling block (16) is provided with a gear shifting block (17) on each side of the upper part, the two gear shifting blocks (17) are located in the guide groove and the gear shifting groove on the two shift rocker arms (6) respectively, the pulling block (16) is fixedly connected with the pulling cylinder above, the second through hole (19) is provided between the long hole (18) and the pulling cylinder on the pulling block (16), the second through hole (19) is coaxially arranged with the pulling cylinder, the operating rod (25) is arranged in the pulling cylinder, the lower end of the operating rod (25) is fixedly connected with the rotating shaft (14), and the upper end of the operating rod (25) is fixedly connected with the gear shifting hand ball (27), the spring (30) is arranged between the gear shifting hand ball (27) and the upper end of the pulling cylinder, and the pulling handle (22) is arranged on the upper part of the pulling cylinder.

2. A pull-type gear shift manipulator according to claim 1, characterized in that: The first through hole (15) coaxial with the second through hole (19) is formed in the middle of the rotating shaft (14) along the radial direction, the diameter of the first through hole (15) is smaller than that of the second through hole (19), the shaft shoulder (2501) is arranged on the lower part of the operating rod (25), the diameter of the operating rod (25) located on the upper part of the shaft shoulder (2501) is larger than that of the operating rod (25) located on the lower part of the shaft shoulder (2501), the operating rod (25) is provided with external threads on the upper and lower ends, the upper end of the operating rod (25) is threadedly connected with the gear shifting hand ball (27), and the lower end of the operating rod (25) is threadedly connected with the nut after penetrating through the first through hole (15).

3. A pull-type gear shift manipulator according to claim 2, characterized in that: The second through hole (19) penetrates through the pulling block (16) downward, the supporting cylinder (26) is sleeved on the lower end of the operating rod (25) after penetrating out of the first through hole (15), and the supporting cylinder (26) is locked by the nut (5) after penetrating out of the lower end of the second through hole (19).

4. A pull-type gear shift manipulator according to claim 3, characterized in that: The shaft shoulder (2501) part of the operating rod (25) and the upper end of the supporting cylinder (26) are all provided with arc surfaces matched with the outer contour of the rotating shaft (14).

5. The pull-type gear shift manipulator according to claim 2, wherein: The inner diameter of the pulling cylinder is a third through hole (23), a sheath (24) is coaxially and fixedly arranged at the upper end of the pulling cylinder, and the inner diameter of the sheath (24) is larger than the hole diameter of the third through hole (23); the gear shifting hand ball (27) is a hollow shell with an open lower end, and the opening size is matched with the outer diameter of the sheath (24), an internally threaded sleeve (29) is fixedly arranged at the middle part of the gear shifting hand ball (27), the internally threaded sleeve (29) is fixedly connected to the inner wall of the gear shifting hand ball (27) through a mounting plate (28), a spring (30) is arranged in the sheath (24), the upper end of the spring (30) abuts against the mounting plate (28), and the lower end of the spring (30) abuts against the top end of the pulling cylinder.

6. The pull-type gear shift manipulator according to claim 1, wherein: The mounting seat comprises a bottom plate (1) and two vertical plates (2) arranged on the bottom plate (1) and parallel to each other, the rotating shaft (14) is arranged between the two vertical plates (2), and a spacer sleeve is arranged between the vertical plate (2) and the gear shifting rocker arm (6) and between the gear shifting rocker arm (6) and the pulling block (16).

7. A pull-type gear shift manipulator according to claim 6, characterized in that: A connecting hole (101) for mounting a flexible shaft is arranged below the two connecting pins (13) on the bottom plate (1).

8. The pull-type shift operator of claim 6, wherein: A positioning plate (3) is arranged below the gear shifting rocker arm (6) between the two vertical plates (2), the wave bead screw (4) is threadedly connected to the positioning plate (3) and locked by a nut (5); when the wave bead screw (4) is clamped in the arc-shaped clamping groove (7) of the gear shifting rocker arm (6), the gear shifting block (17) at the same gear shifting rocker arm (6) is located at the middle position of the guide groove.

9. A pull-type gear shift manipulator according to any one of claims 1-8, characterized in that: The pulling cylinder comprises a lower sleeve (20) at the lower part and an upper sleeve (21) at the upper part, the outer diameters of the lower sleeve (20) and the upper sleeve (21) are the same, the lower sleeve (20) is provided with a connecting sleeve (2001) at the top, the connecting sleeve (2001) is provided with an internal thread, and the lower end of the upper sleeve (21) is provided with an external thread matched with the connecting sleeve (2001); the pulling cylinder is provided with a conical corrugated rubber sheath above the connecting sleeve (2001).

10. A pull-type gear shift manipulator according to claim 9, characterized in that: The pulling handle (22) is arranged at the upper end of the upper sleeve (21) and comprises two annular plates arranged in an upper-lower interval.

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