Carbon fiber autonomous connection type lifting rod

Abstract

The utility model relates to the field of lifting rods, and discloses a carbon fiber autonomous connection type lifting rod which comprises a fixed cylinder, the upper side of the fixed cylinder is fixedly connected with a limiting cylinder, one side of the limiting cylinder is fixedly connected with a plurality of reinforcing ribs, the inner side of the limiting cylinder is rotatably connected with a rotating cylinder, and the rotating cylinder is provided with a plurality of balls. According to the utility model, the plurality of balls are arranged on the rotary drum, the original sliding connection of the plurality of balls to the telescopic rod is changed into rolling connection, so that the friction force can be obviously reduced, and meanwhile, through the lubricating oil in the cavity, the telescopic rod is prevented from being damaged, and the service life of the telescopic rod is prolonged. When the lifting rod rotates, the oil enters the cavity gap between the limiting cylinder and the rotating cylinder from the leakage hole through the oil guide groove, the effect of lubricating the balls in the cavity gap space is achieved, and the effect of prolonging the service life of the lifting rod is indirectly achieved by reducing friction.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lifting rod especially relates to a carbon fiber self -supporting connecting type lifting rod. BACKGROUND

[0002] Lifting rod is generally composed of rod body part, power system and base and fixing device, usually adopts high strength material to make, such as aluminium alloy, steel or carbon fiber, for example, carbon fiber material quality lighter lifting rod, corrosion resistance is better, convenient transportation and installation, rod body is generally composed of multiple sections, through the nesting or helical connection mode, make that the rod body can be telescopic, telescopic rod in the process of frequent or long time use, telescopic top rod and fixed device will have multiple friction, destroy top rod own structure, lead to telescopic rod service life reduction, based on this, propose a kind of carbon fiber self -supporting connecting type lifting rod to solve above-mentioned problem. SUMMARY

[0003] To solve the technical problem of lifting rod friction, the utility model provides a carbon fiber self -supporting connecting type lifting rod.

[0004] The utility model discloses the following technical scheme is realized: a carbon fiber self -supporting connecting type lifting rod, including fixed cylinder, the upper side fixed connection of fixed cylinder connects the limit cylinder, the one side fixed connection of limit cylinder has a plurality of reinforcing bars, the inside rotation of limit cylinder is connected with the rotating cylinder, be provided with a plurality of ball bearings on the rotating cylinder, a plurality of ball bearings are away from the side of limit cylinder and the common abutment of telescopic rod, a plurality of ball bearings are close to the side of limit cylinder and the inside of limit cylinder are abutted simultaneously, a plurality of oil guide grooves are set up on the limit cylinder, the upper side of rotating cylinder is provided with lubricating oil adding mechanism, the lower side of rotating cylinder is provided with the plug rod drive mechanism of making rotating cylinder rotate, the inside of fixed cylinder is provided with telescopic rod lifting mechanism.

[0005] As a further improvement of the above scheme, the lubricating oil adding mechanism includes a cavity fixedly connected to the upper side of the rotating cylinder, a plurality of leakage holes are formed in the through bottom side of the cavity, and the plurality of leakage holes and the plurality of oil guide grooves are respectively and one-to-one matched, and the outer side of the cavity is provided with a lubricating oil filling port.

[0006] As a further improvement of the above scheme, the plug rod drive mechanism includes a limiting table fixedly connected to the lower side of the rotating cylinder, a plurality of adaptive spiral grooves are formed in the inner side of the limiting table, the plurality of adaptive spiral grooves are distributed in a circular array, the lower end of the telescopic rod is fixedly connected with a thimble, and the thimble is matched with the adaptive spiral grooves.

[0007] As a further improvement of the above-mentioned scheme, the telescopic rod lifting mechanism comprises a piston in sliding connection with the inner side of the fixed cylinder, a clamping plate is fixedly connected to the inner side of the fixed cylinder, the clamping plate is in sliding connection with the piston, and a transmission mechanism is arranged in the piston.

[0008] As a further improvement of the above-mentioned scheme, the transmission mechanism comprises a threaded rod in threaded sleeve connection with the piston, a fixed table is fixedly connected to the outer side of the fixed cylinder, a driving unit is fixedly connected to one side of the fixed table, and the output end of the driving unit is connected with one end of the threaded rod.

[0009] As a further improvement of the above-mentioned scheme, a sealing ring is arranged between the lower side of the cavity and the upper side of the limiting cylinder.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1、 the utility model discloses a plurality of ball bearings are arranged on the rotary drum, the ball bearings are connected with the telescopic rod, the original sliding connection is changed into rolling connection, the friction can be reduced significantly, the lubricating oil in the cavity is guided into the gap between the limiting cylinder and the rotary drum through the oil leakage hole and the oil guiding groove, the ball bearings in the gap are lubricated, the friction is reduced, and the service life of the lifting rod is indirectly prolonged.

[0012] 2、 the utility model discloses a plurality of ball bearings are arranged on the rotary drum, the ball bearings are connected with the telescopic rod, the original sliding connection is changed into rolling connection, the friction can be reduced significantly, the lubricating oil in the cavity is guided into the gap between the limiting cylinder and the rotary drum through the oil leakage hole and the oil guiding groove, the ball bearings in the gap are lubricated, the friction is reduced, and the service life of the lifting rod is indirectly prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model provides a whole structure schematic diagram of carbon fiber self -supporting connecting type lifting rod;

[0014] Figure 2 The utility model discloses a partial structure schematic diagram; Figure 1

[0015] Figure 3 The utility model discloses an explosion structure schematic diagram; Figure 2

[0016] Figure 4 The utility model discloses a structure schematic diagram of lubricating oil adding mechanism; Figure 1

[0017] Figure 5 The utility model discloses an explosion structure schematic diagram; Figure 4 ​​​a first exploded structural schematic view of the application;

[0018] Figure 6 is Figure 4 a second exploded structural schematic view of the application;

[0019] Figure 7 is Figure 6 a bottom view of the application.

[0020] Main symbol explanation:

[0021] 1, fixed table; 2, drive unit; 3, fixed cylinder; 4, reinforcing rib; 5, telescopic rod; 6, cavity; 7, lubricating oil filling port; 8, limiting table; 9, threaded rod; 10, clamping plate; 11, piston; 12, thimble; 13, adaptive spiral groove; 14, limiting cylinder; 15, ball; 16, rotating cylinder; 17, oil guide groove; 18, sealing ring; 19, leakage hole. DETAILED DESCRIPTION

[0022] Next, the utility model will be further described in conjunction with the drawings and specific embodiments, it should be noted that in the case of no conflict, the following description of each embodiment or between the technical features can be arbitrarily combined to form a new embodiment.

[0023] Embodiment:

[0024] Please combine Figure 1 - Figure 7 The carbon fiber self-connecting type lifting rod of the embodiment comprises a fixed cylinder 3, the fixed cylinder 3 is made of carbon fiber composite material and has very high hardness, the upper side of the fixed cylinder 3 is fixedly connected with a limiting cylinder 14, and it should be particularly pointed out that the structural features of the limiting cylinder 14 are combined with the fixed cylinder 3 shown in Figure 5 The upper and lower sides of the limiting cylinder 14 are fixedly connected with a limiting ring respectively, the two limiting rings are respectively sleeved on the outside of the rotating cylinder 16, one side of the limiting cylinder 14 is fixedly connected with a plurality of reinforcing ribs 4, the reinforcing ribs 4 can improve the shear resistance of the device, the inside of the limiting cylinder 14 is rotatably connected with the rotating cylinder 16, a plurality of balls 15 are arranged on the rotating cylinder 16, as shown in Figure 5 A plurality of balls 15 enclose a cylindrical area on the outside of the telescopic rod 5, a plurality of balls 15 jointly abut the telescopic rod 5 away from one side of the limiting cylinder 14, and a plurality of balls 15 abut the inside of the limiting cylinder 14 at the same time on one side close to the limiting cylinder 14, a plurality of oil guide grooves 17 are formed in the limiting cylinder 14, the upper side of the rotating cylinder 16 is provided with a lubricating oil adding mechanism, the lower side of the rotating cylinder 16 is provided with a plug rod driving mechanism for rotating the rotating cylinder 16, and the inside of the fixed cylinder 3 is provided with a telescopic rod lifting mechanism.

[0025] Please combine Figure 5As shown, the lubricating oil adding mechanism includes a cavity 6 fixedly connected to the upper side of the rotating drum 16. In this embodiment, the bottom side of the cavity 6 is provided with 6 drain holes 19. The 6 drain holes 19 and 6 oil guide grooves 17 are respectively paired and arranged. When the drain holes 19 and the upper ports of the oil guide grooves 17 are aligned with each other, the oil supply pipeline is opened. Conversely, when the drain holes 19 and the upper ports of the oil guide grooves 17 are misaligned, the oil supply pipeline is closed. A lubricating oil filling port 7 is provided on the outside of the cavity 6.

[0026] Please combine Figure 6 As shown, the insertion rod driving mechanism includes a limiting platform 8 fixedly connected to the lower side of the rotating cylinder 16. The inner side of the limiting platform 8 is provided with multiple matching spiral grooves 13. It should be noted that the distance between the multiple matching spiral grooves 13 is very small. When the ejector pin 12 rises straight up in any direction, it can be smoothly inserted into them. The multiple matching spiral grooves 13 are distributed in a circumferential array. The lower outer side of the telescopic rod 5 is fixedly connected to the ejector pin 12, and the ejector pin 12 is configured to cooperate with the matching spiral grooves 13.

[0027] Please combine Figure 2 As shown, the telescopic rod lifting mechanism includes a piston 11 that is slidably connected to the inside of the fixed cylinder 3. A retaining plate 10 is fixedly connected to the inside of the fixed cylinder 3. The retaining plate 10 has a limiting function. The retaining plate 10 is slidably connected to the piston 11. A transmission mechanism is provided inside the piston 11.

[0028] Please combine Figure 2 and Figure 1 As shown, the transmission mechanism includes a threaded rod 9 that is threaded into the piston 11. A fixed platform 1 is fixedly connected to the outside of the fixed cylinder 3. A drive unit 2 is fixedly connected to one side of the fixed platform 1. The output end of the drive unit 2 is connected to one end of the threaded rod 9.

[0029] Please combine Figure 6 As shown, a sealing ring 18 is provided between the lower side of the cavity 6 and the upper side of the limiting cylinder 14. The sealing ring 18 mainly prevents the lubricating oil from overflowing from the outside of the lubricating oil tank.

[0030] The implementation principle of the carbon fiber self-connecting lifting rod in the embodiment of the application is as follows: when the driving unit 2 is started, the threaded rod 9 is driven to rotate, the piston 11 is driven to move upward along the inner side of the fixed cylinder 3, when the piston 11 moves upward under the limiting action of the clamping plate 10, the telescopic rod 5 and the ejector pin 12 are driven to move upward, the ejector pin 12 is inserted into the adaptive spiral groove 13 on the limiting table 8 and drives the limiting table 8 to rotate, the limiting table 8 drives the upper cavity 6 to rotate, the drain hole 19 on the lower side of the cavity 6 is in communication with the upper end of the oil guide groove 17 on the limiting cylinder 14, at this time, the lubricating oil can flow downward from the drain hole 19 and enter the internal space between the limiting cylinder 14 and the rotating cylinder 16 along the oil guide groove 17, since one side of each ball 15 is exposed to the internal space, the effect of lubricating each ball 15 is achieved, when the ball 15 rolls, the telescopic rod 5 on one side is contacted, the effect of reducing the rolling friction between the ball 15 and the telescopic rod 5 is achieved, the damage problem caused by the friction of the telescopic rod 5 when the telescopic rod 5 frequently extends and contracts is reduced, and the effect of significantly improving the service life of the lifting rod is achieved.

[0031] The above embodiment is only a preferred embodiment of the present application, and cannot be used to limit the scope of protection of the present application. Any non-substantial change and replacement made by a person skilled in the art on the basis of the present application belongs to the scope of protection of the present application.

Claims

1. A carbon fiber self-connecting lifting rod, comprising a fixed cylinder (3), characterized in that, A limiting cylinder (14) is fixedly connected to the upper side of the fixed cylinder (3). A plurality of reinforcing ribs (4) are fixedly connected to one side of the limiting cylinder (14). A rotating cylinder (16) is rotatably connected to the inner side of the limiting cylinder (14). A plurality of balls (15) are provided on the rotating cylinder (16). The side of the plurality of balls (15) away from the limiting cylinder (14) abuts against the telescopic rod (5). The side of the plurality of balls (15) close to the limiting cylinder (14) abuts against the inner side of the limiting cylinder (14) at the same time. A plurality of oil guide grooves (17) are provided on the limiting cylinder (14). A lubricating oil adding mechanism is provided on the upper side of the rotating cylinder (16). A rod driving mechanism for rotating the rotating cylinder (16) is provided on the lower side of the rotating cylinder (16). A telescopic rod lifting mechanism is provided inside the fixed cylinder (3).

2. The carbon fiber self-connecting lifting rod as described in claim 1, characterized in that, The lubricating oil adding mechanism includes a cavity (6) fixedly connected to the upper side of the rotating drum (16). The cavity (6) has multiple drain holes (19) on its bottom side. The multiple drain holes (19) and multiple oil guide grooves (17) are paired one by one. The outer side of the cavity (6) is provided with a lubricating oil filling port (7).

3. The carbon fiber self-connecting lifting rod as described in claim 1, characterized in that, The insertion rod driving mechanism includes a limiting platform (8) fixedly connected to the lower side of the rotating drum (16). The inner side of the limiting platform (8) is provided with multiple matching spiral grooves (13), which are arranged in a circumferential array. The lower outer side of the telescopic rod (5) is fixedly connected with a push pin (12), which is configured to cooperate with the matching spiral grooves (13).

4. The carbon fiber self-connecting lifting rod as described in claim 1, characterized in that, The telescopic rod lifting mechanism includes a piston (11) that is slidably connected to the inside of the fixed cylinder (3). A clamping plate (10) is fixedly connected to the inside of the fixed cylinder (3). The clamping plate (10) is slidably connected to the piston (11). A transmission mechanism is provided inside the piston (11).

5. A carbon fiber self-connecting lifting rod as described in claim 4, characterized in that, The transmission mechanism includes a threaded rod (9) that is threaded inside the piston (11). A fixed platform (1) is fixedly connected to the outside of the fixed cylinder (3). A drive unit (2) is fixedly connected to one side of the fixed platform (1). The output end of the drive unit (2) is connected to one end of the threaded rod (9).

6. A carbon fiber self-connecting lifting rod as described in claim 2, characterized in that, A sealing ring (18) is provided between the lower side of the cavity (6) and the upper side of the limiting cylinder (14).

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