A heavy-duty adjusting rod

Abstract

This application relates to the field of regulating equipment technology, specifically disclosing a heavy-duty regulating rod, which includes an outer tube with a cap fixedly connected to the inner wall of one end; an inner tube that slides on the inner wall of the outer tube; a threaded sleeve that is embedded and fixed to the inner wall of the inner tube near the cap; a threaded rod that passes through the threaded sleeve and is threadedly driven by the threaded sleeve, the end of the threaded rod passing through the cap and rotatably connected to the cap; a fixing member connected to the end of the inner tube away from the threaded sleeve; and a connecting member connected to the circumference of the outer tube. The heavy-duty regulating rod of this application has the advantages of simple structure and lightweight design.

Description

Technical Field

[0001] This application relates to the field of adjustment equipment technology, and in particular to a heavy-duty adjustment lever. Background Technology

[0002] In industrial settings such as large-scale machinery manufacturing and mining, as well as in the application of heavy equipment such as heavy cranes and tunnel boring machines, it is often necessary to precisely adjust the distance and position between components to meet different operational requirements.

[0003] Traditionally, hydraulic drive systems have been widely used for these types of adjustment needs. While hydraulic drives can provide significant driving force and achieve relatively precise adjustments, they also have several drawbacks. Firstly, hydraulic systems are complex, containing numerous components such as hydraulic pumps, valves, pipes, and tanks. Installation, commissioning, and maintenance require specialized technicians and considerable time and effort, resulting in high costs. Secondly, the numerous components of a hydraulic system lead to large and heavy overall equipment, limiting its use in scenarios with strict requirements on equipment weight and space layout. Furthermore, hydraulic systems are prone to oil leaks; leaks can not only affect the normal operation of the equipment but also potentially pollute the environment.

[0004] Given these shortcomings of hydraulic drive, the development of a device that is simple in structure, lightweight, and capable of reliable adjustment has become an urgent need in the industry. Utility Model Content

[0005] In order to develop a device that is simple in structure, lightweight and can achieve reliable adjustment function, this application provides a heavy-duty adjustment rod.

[0006] The heavy-duty adjusting rod provided in this application adopts the following technical solution:

[0007] A heavy-duty adjusting rod includes an outer tube with a cap fixedly connected to the inner wall of one end; an inner tube that slides on the inner wall of the outer tube; a threaded sleeve that is embedded and fixed to the inner wall of the inner tube near the cap; a threaded rod that passes through the threaded sleeve and is threadedly driven by the threaded sleeve, the end of the threaded rod passing through the cap and rotatably connected to the cap; a fixing member connected to the end of the inner tube away from the threaded sleeve; and a connecting member connected to the circumference of the outer tube.

[0008] Optionally, the threaded rod includes a threaded section located inside the inner tube and threadedly connected to the threaded sleeve, and a rotating section connected to the end face of the threaded section and passing through the end cap; the end face of the end cap away from the threaded sleeve is provided with a mounting groove, a bearing is installed in the mounting groove, and the rotating section is rotatably connected to the end cap through the bearing.

[0009] Optionally, the bearing is a deep groove ball bearing, with the outer ring of the deep groove ball bearing connected to the inner wall of the mounting groove, and the inner ring of the deep groove ball bearing connected to the circumferential surface of the rotating section.

[0010] Optionally, the inner wall of the mounting groove is provided with an annular groove, and a clamp is provided in the annular groove, the clamp pressing against the upper end face of the bearing.

[0011] Optionally, a dust cover is fitted onto the end of the end cap away from the threaded sleeve, the rotating section passes through the dust cover, and a locking nut is fitted onto the rotating section. The locking nut is threaded onto the outer circumferential surface of the rotating section and presses against the outer end face of the dust cover.

[0012] Optionally, a support ring is connected to the circumferential surface of the rotating section, the support ring is connected to the end face of the threaded section, and an end face bearing is sleeved on the outer circumferential surface of the rotating section. The end face bearing is located between the end cap and the support ring, the upper end face of the end face bearing is connected to the bottom surface of the end cap, and the lower end face of the end face bearing is connected to the top surface of the support ring.

[0013] Optionally, a rocker arm is provided at the end of the rotating section, and the rocker arm is rotatably connected to the rotating section; a limiting plate is connected to the outer peripheral surface of the end of the outer tube near the end cap, and the side of the limiting plate is provided with a groove for the rocker arm to enter.

[0014] Optionally, a pin is provided inside the limiting plate, and the pin passes through the opening of the groove to restrict the crank handle within the groove.

[0015] In summary, this application includes at least one of the following beneficial technical effects:

[0016] 1. With the fixed position of the fastener, the position of the inner tube is also fixed. By rotating the threaded rod, the threaded rod extends and retracts within the inner tube through the threaded sleeve. The movement of the threaded rod drives the end cap to move. Since the threaded rod rotates within the end cap, it drives the outer tube to move through the end cap, resulting in relative movement between the outer and inner tubes. Because the inner tube is fixed and the outer tube moves, the outer tube drives the connecting parts to move, which in turn drives the objects connected to it to move. Compared to traditional hydraulic drives, the overall structure is simple and lightweight, and it does not require the corresponding hydraulic system that hydraulic drives provide.

[0017] 2. Use the dust cover to prevent dust and foreign objects from entering the mounting groove, contaminating the bearing, increasing the bearing's rotational resistance, causing bearing damage, and shortening the bearing's service life.

[0018] 3. To improve the stability of the threaded rod rotation when the drive section rotates, the rotating section drives the support ring to rotate, and the support ring drives the lower end face of the end face bearing to rotate. This makes the threaded rod less prone to shaking when the rotating section rotates, under the constraint of the end face bearing. The end face bearing makes the rotation of the threaded rod smoother. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the adjusting rod according to an embodiment of this application;

[0020] Figure 2 This is a cross-sectional structural diagram of the adjusting rod according to an embodiment of this application;

[0021] Figure 3 yes Figure 2 A magnified structural diagram of part A in the middle.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Outer tube; 11. Connector; 2. Inner tube; 21. Fixing component; 3. Threaded sleeve; 4. Threaded rod; 41. Threaded section; 42. Rotating section; 43. Support ring; 44. End face bearing; 45. Handle; 5. End cap; 51. Mounting groove; 52. Bearing; 53. Annular groove; 54. Clamp; 6. Dust cover; 7. Locking nut; 8. Limiting plate; 81. Groove; 82. Pin. Detailed Implementation

[0024] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0025] This application discloses a heavy-duty adjusting rod. (Refer to...) Figure 1-3 The adjusting rod includes an outer tube 1, an inner tube 2, a threaded sleeve 3, a threaded rod 4, and a head 5. One end of the head 5 is fixedly connected to the inner wall of one end of the outer tube 1, and the inner tube 2 slides on the inner wall of the outer tube 1. The inner tube 2 and the outer tube 1 are coaxial. The threaded sleeve 3 is embedded and fixed in the inner wall of the inner tube 2 near the head 5. The threaded rod 4 passes through the threaded sleeve 3 and is threadedly driven by the threaded sleeve 3. The end of the threaded rod 4 passes through the head 5 and is rotatably connected to the head 5. A fixing member 21 is connected to the end of the inner tube 2 away from the threaded sleeve 3, and a connecting member 11 is connected to the circumference of the outer tube 1.

[0026] With the fixed position of the fastener 21, the position of the inner tube 2 is also fixed. By rotating the threaded rod 4, the threaded rod 4 extends and retracts within the inner tube 2 through the threaded sleeve 3. The movement of the threaded rod 4 drives the end cap 5 to move. Since the threaded rod 4 rotates within the end cap 5, the threaded rod 4 drives the outer tube 1 to move through the end cap 5, and the outer tube 1 moves relative to the inner tube 2. Because the position of the inner tube 2 is fixed and the outer tube 1 moves, the outer tube 1 drives the connecting piece 11 to move, and the connecting piece 11 can then drive the object it is connected to to move. Compared with traditional hydraulic drive, the overall structure is simple and lightweight, and does not require the corresponding hydraulic system that hydraulic drive requires.

[0027] The threaded rod 4 includes a threaded section 41 and a rotating section 42. The threaded section 41 is located inside the inner tube 2 and is threadedly connected to the threaded sleeve 3. The rotating section 42 is integrally formed on the end face of the threaded section 41 and passes through the end cap 5. The end face of the end cap 5 away from the threaded sleeve 3 is provided with an installation groove 51. A bearing 52 is installed in the installation groove 51. The rotating section 42 passes through the end cap 5 and is rotatably connected to the end cap 5 through the bearing 52.

[0028] Bearing 52 is a deep groove ball bearing. The outer ring of the deep groove ball bearing is connected to the inner wall of the mounting groove 51, and the inner ring of the deep groove ball bearing is connected to the circumferential surface of the rotating section 42.

[0029] When it is necessary to drive the outer tube 1 to move, the rotating section 42 is driven to rotate first. The rotating section 42 rotates in the mounting groove 51 of the head 5 through the deep groove ball bearing, so that the rotating section 42 can rotate along its axis. The rotating section 42 drives the threaded section 41 to rotate. The threaded section 41, through the action of the threaded tube, drives the head 5 to move up and down through the rotating section 42, so that the head 5 can drive the outer tube 1 to move.

[0030] The inner wall of the mounting groove 51 is provided with an annular groove 53, and a clamp 54 is provided in the annular groove 53. The clamp 54 presses against the upper end face of the bearing 52; by using the clamp 54 to press against the bearing 52, the bearing 52 is restricted from moving axially.

[0031] A dust cover 6 is fitted on the end of the end cap 5 away from the threaded sleeve 3. The rotating section 42 passes through the dust cover 6. A locking nut 7 is fitted on the rotating section 42. The locking nut 7 is threaded to the outer circumferential surface of the rotating section 42 and is pressed against the outer end face of the dust cover 6. The dust cover 6 is used to prevent dust and foreign objects from entering the mounting groove 51, contaminating the bearing 52, increasing the rotational resistance of the bearing 52, causing damage to the bearing 52, and shortening the service life of the bearing 52.

[0032] A support ring 43 is connected to the circumference of the rotating section 42. The support ring 43 is connected to the end face of the threaded section 41. An end face bearing 44 is sleeved on the outer circumference of the rotating section 42. The end face bearing 44 is located between the end cap 5 and the support ring 43. The upper end face of the end face bearing 44 is connected to the bottom surface of the end cap 5, and the lower end face of the end face bearing 44 is connected to the top surface of the support ring 43.

[0033] When the threaded rod 4 is driven to rotate, in order to improve the stability of the rotation of the threaded rod 4, the rotating section 42 rotates and drives the support ring 43 to rotate. The support ring 43 drives the lower end face of the end face bearing 44 to rotate. So when the rotating section 42 rotates, the threaded rod 4 is less likely to wobble under the constraint of the end face bearing 44. The end face bearing 44 makes the rotation of the threaded rod 4 smoother.

[0034] A rocker arm 45 is inserted through the end of the rotating section 42, and the rocker arm 45 is rotatably connected to the rotating section 42. A limiting plate 8 is connected to the outer peripheral surface of the end of the outer tube 1 near the end cap 5. A groove 81 for the rocker arm 45 to enter is provided on the side of the limiting plate 8. A pin 82 is inserted through the limiting plate 8. The pin 82 passes through the opening of the groove 81 and restricts the rocker arm 45 in the groove 81.

[0035] To facilitate the rotation of the threaded rod 4, a rocker arm 45 is provided. The pin 82 is removed, and the rocker arm 45 is rotated out of the groove 81. Rotating the rocker arm 45 will drive the rotating section 42 to rotate, and the rotating section 42 will drive the entire threaded rod 4 to rotate. When the rocker arm 45 is not in use, it is put back into the groove 81 and the pin 82 is inserted to prevent the rocker arm 45 from swinging.

[0036] The implementation principle of a heavy-duty adjusting rod in this application embodiment is as follows: the fixed part 21 is fixed in position, so the inner tube 2 is fixed in position. By rotating the threaded rod 4, the threaded rod 4 extends and retracts inside the inner tube 2 through the threaded sleeve 3. The movement of the threaded rod 4 drives the end cap 5 to move. Since the threaded rod 4 rotates inside the end cap 5, the threaded rod 4 drives the outer tube 1 to move through the end cap 5. The outer tube 1 and the inner tube 2 move relative to each other. Since the inner tube 2 is fixed in position and the outer tube 1 moves, the outer tube 1 drives the connecting part 11 to move. The connecting part 11 can then drive the object it is connected to to move. Compared with traditional hydraulic drive, the overall structure is simple and lightweight, and does not require the corresponding hydraulic system as hydraulic drive does.

[0037] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A heavy-duty adjusting rod, characterized in that, It includes an outer tube (1), and a cap (5) is fixedly connected to the inner wall of one end of the outer tube (1); The inner tube (2) slides on the inner wall of the outer tube (1); A threaded sleeve (3) is embedded and fixed to the inner wall of the inner tube (2) near the end cap (5); A threaded rod (4) is inserted into the threaded sleeve (3) and threadedly driven by the threaded sleeve (3). The end of the threaded rod (4) passes through the end cap (5) and is rotatably connected to the end cap (5). A fastener (21) is connected to the end of the inner tube (2) away from the threaded sleeve (3); A connector (11) is attached to the circumference of the outer tube (1).

2. The heavy-duty adjusting rod according to claim 1, characterized in that The threaded rod (4) includes a threaded section (41) located inside the inner tube (2) and threadedly connected to the threaded sleeve (3), and a rotating section (42) connected to the end face of the threaded section (41) and passing through the end cap (5); the end face of the end cap (5) away from the threaded sleeve (3) is provided with a mounting groove (51), a bearing (52) is installed in the mounting groove (51), and the rotating section (42) is rotatably connected to the end cap (5) through the bearing (52).

3. The heavy-duty adjusting rod according to claim 2, characterized in that The bearing (52) is a deep groove ball bearing. The outer ring of the deep groove ball bearing is connected to the inner wall of the mounting groove (51), and the inner ring of the deep groove ball bearing is connected to the circumferential surface of the rotating section (42).

4. The heavy-duty adjusting rod of claim 2, wherein, The inner wall of the mounting groove (51) is provided with an annular groove (53), and a clamp (54) is provided in the annular groove (53). The clamp (54) presses against the upper end face of the bearing (52).

5. The heavy-duty adjusting rod of claim 2, wherein, The end cap (5) away from the threaded sleeve (3) is fitted with a dust cover (6), the rotating section (42) passes through the dust cover (6), and a locking nut (7) is fitted on the rotating section (42). The locking nut (7) is threaded to the outer circumferential surface of the rotating section (42) and pressed against the outer end face of the dust cover (6).

6. The heavy-duty adjusting rod of claim 2, wherein, The rotating section (42) is connected to a support ring (43) on its circumference. The support ring (43) is connected to the end face of the threaded section (41). An end face bearing (44) is sleeved on the outer circumference of the rotating section (42). The end face bearing (44) is located between the end cap (5) and the support ring (43). The upper end face of the end face bearing (44) is connected to the bottom surface of the end cap (5), and the lower end face of the end face bearing (44) is connected to the top surface of the support ring (43).

7. The heavy-duty adjusting rod of claim 2, wherein, A rocker arm (45) is inserted through the end of the rotating section (42), and the rocker arm (45) is rotatably connected to the rotating section (42); a limiting plate (8) is connected to the outer peripheral surface of the end of the outer tube (1) near the end cap (5), and the side of the limiting plate (8) is provided with a groove (81) for the rocker arm (45) to enter.

8. The heavy-duty adjusting rod according to claim 7, characterized in that, A pin (82) is provided inside the limiting plate (8). The pin (82) passes through the opening of the groove (81) and is used to restrict the crank (45) inside the groove (81).

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