Telescopic rod convenient to lubricate for lifting equipment

Abstract

The utility model discloses a conveniently lubricated telescopic rod for lifting equipment, which relates to the technical field of lifting equipment and comprises a basic sleeve rod, a first telescopic rod is mounted in the basic sleeve rod, a second telescopic rod is mounted in the first telescopic rod, the upper surface of the basic sleeve rod and the upper surface of the first telescopic rod are both fixedly connected with lantern rings, and the lantern rings are fixedly connected with the first telescopic rod and the second telescopic rod. And packing augers are fixedly connected to the inner walls of the sleeve rings, sponge rings are installed on the upper surfaces of the basic sleeve rod and the first telescopic rod, installation rings are installed on the sides, close to the sponge rings, of the basic sleeve rod and the first telescopic rod, sealing plates are fixedly connected to the sides, close to the installation rings, of the sleeve rings, and oil inlets are formed in the surfaces of the sealing plates. The convenient-to-lubricate telescopic rod for the lifting equipment solves the problems that in the prior art, a telescopic rod for the lifting equipment often needs to be lubricated regularly in the use process, and due to the fact that the telescopic rod generally adopts a multi-stage extension connection mode, the difficulty of coating lubricating oil on the surface of the telescopic rod is large.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting equipment, in particular to a telescopic rod for a lifting equipment which is convenient for lubrication. Background Technique

[0002] A lifting equipment is a mechanical equipment for vertical up-and-down reciprocating transportation. Its main function is to vertically transport people or goods upward or downward, and it is usually applied to occasions that require high-altitude operation or vertical transportation of goods. In the lifting equipment, a telescopic rod is usually included, and its function is to adjust the height so as to better complete the lifting task.

[0003] The prior art such as the utility model with the publication number of CN211852421U discloses a telescopic device of a lifting telescopic rod, which includes a plurality of sleeves with gradually decreasing pipe diameters from outside to inside. A screw rod positioning device is arranged between two adjacent inner and outer sleeves. The screw rod device includes a first positioning sleeve arranged at the upper end of the outer sleeve, a second positioning sleeve arranged at the lower end of the inner sleeve, a first thread pair arranged between the inner surface of the first positioning sleeve and the outer surface of the inner sleeve, and a second thread pair arranged between the outer surface of the second positioning sleeve and the inner surface of the outer sleeve. The inner diameter of the first positioning sleeve is smaller than the outer diameter of the second positioning sleeve. The utility model adopts a double-thread pair structure to realize the lifting movement of the telescopic device, with flexible and stable telescoping, and is driven by a motor, so that the lifting telescopic rod has the advantages of small volume, simple structure, long telescopic length and wide application range.

[0004] The above-mentioned and existing related technologies often have the following defects: for the telescopic rod of the lifting equipment in the prior art, it is often necessary to lubricate it regularly during use. However, since the telescopic rod usually adopts a multi-stage extended connection method, it is difficult to apply lubricating oil to the surface of the telescopic rod.

[0005] Therefore, we propose a telescopic rod for a lifting equipment which is convenient for lubrication. Content of the Utility Model

[0006] The purpose of the utility model is to provide a telescopic rod for a lifting equipment which is convenient for lubrication, so as to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solution: a telescopic rod for a lifting equipment which is convenient for lubrication, including a basic sleeve rod, a first telescopic rod is installed inside the basic sleeve rod, a second telescopic rod is installed inside the first telescopic rod, collar rings are fixedly connected to the upper surfaces of the basic sleeve rod and the first telescopic rod, augers are fixedly connected to the inner walls of the collar rings, and sponge rings are installed on the upper surfaces of the basic sleeve rod and the first telescopic rod.

[0008] The effects achieved by the above components are: by setting the collar and the auger, the lubricating oil can be spread as evenly as possible when adding the lubricating oil; by setting the sponge ring, the lubricating oil can be absorbed, and the lubrication of the telescopic rod can be completed during the use of the telescopic rod, while the lubricating oil can be applied as evenly as possible.

[0009] Preferably, a mounting ring is installed on one side of the basic sleeve rod and the first telescopic rod close to the sponge ring, a sealing plate is fixedly connected to one side of the sleeve ring close to the mounting ring, and an oil inlet is opened on the surface of the sealing plate.

[0010] The effects achieved by the above components are: by setting the installation ring, the position of the lubricating oil can be restricted when adding the lubricating oil, by setting the installation ring, the sponge ring can be installed and removed, and by setting the sealing plate and the oil inlet, it is possible to ensure that the lubricating oil can be added while avoiding the spillage of the lubricating oil after adding as much as possible.

[0011] Preferably, a plurality of pointed protrusions are fixedly connected to one side of the mounting ring close to the sponge ring, and three fixed pointed rods are fixedly connected to the surfaces of the plurality of pointed protrusions.

[0012] The effect achieved by the above components is that the sponge ring can be conveniently fixed to the mounting ring by arranging the pointed protrusions and the fixing pointed rods, and the sponge ring can be conveniently replaced.

[0013] Preferably, four first fixing plates are fixedly connected to the upper surface of the collar, and inner walls of the four first fixing plates are slidably connected to limit rods.

[0014] The effect achieved by the above components is: by setting the first fixing plate, the limiting rod can be connected to the collar, and the limiting rod slidably connected to the inner wall of the first fixing plate can move.

[0015] Preferably, one end of the limiting rod away from the mounting ring is fixedly connected with a pulling plate.

[0016] The effect achieved by the above components is that the movement of the limit rod can be conveniently controlled by setting the pull plate.

[0017] Preferably, four second fixing plates are fixedly connected to the upper surface of the mounting ring, and the four second fixing plates are all sleeved on the surface of the limiting rod.

[0018] The effect achieved by the above components is: by setting the limit rod, the position of the second fixing plate can be limited, thereby realizing the limitation of the position of the mounting ring.

[0019] Preferably, a spring is sleeved on the surface of the limiting rod, and two ends of the spring are fixedly connected to the pulling plate and the first fixing plate respectively.

[0020] The effects achieved by the above components are as follows: By setting the pull plate, the spring can be conveniently installed, and by setting the spring, the position of the limit rod can be restricted.

[0021] Compared with the prior art, the beneficial effects of the present utility model are:

[0022] 1. In the present utility model, when lubricating the telescopic rod is required, first, lubricating oil is added to the surface of the auger inside the collar through the oil inlet on the sealing plate. Then, the lubricating oil flows along the auger and approaches the sponge ring, so that the lubricating oil soaks into the sponge ring. At this time, the telescopic rod is started to control its telescoping, so that the lubrication work on the surface of the telescopic rod is completed during the telescoping process.

[0023] 2. In the present utility model, when the sponge ring needs to be replaced, the pull plate is pulled to drive the limit rod away from the second fixing plate, releasing the restriction on the position of the second fixing plate. Then, the second fixing plate is pulled to move the mounting ring for disassembly. After the sponge ring is removed from the mounting ring, the sponge ring to be installed is moved close to the mounting ring, and the sponge ring is fixed to the mounting ring through the pointed protrusion and the fixing pointed rod, and then the mounting ring is installed to complete the replacement of the sponge ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0025] Figure 2 is an exploded structure diagram of the present utility model;

[0026] Figure 3 is the present utility model Figure 1 of the partial structure diagram;

[0027] Figure 4 is the present utility model Figure 1 of the enlarged view at A;

[0028] Figure 5 is the present utility model Figure 2 of the partial structure diagram.

[0029] In the figure: 1 - basic sleeve rod; 2 - first telescopic rod; 3 - second telescopic rod; 4 - collar; 5 - mounting ring; 6 - auger; 7 - sponge ring; 8 - pointed protrusion; 9 - fixing pointed rod; 10 - first fixing plate; 11 - second fixing plate; 12 - limit rod; 13 - pull plate; 14 - spring; 15 - oil inlet; 16 - sealing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figures 1 - 5 The utility model provides a technical solution: a telescopic rod for a lifting device that is convenient for lubrication, comprising a basic sleeve rod 1, a first telescopic rod 2 is installed inside the basic sleeve rod 1, a second telescopic rod 3 is installed inside the first telescopic rod 2, a collar 4 is fixedly connected to the upper surface of the basic sleeve rod 1 and the first telescopic rod 2, an auger 6 is fixedly connected to the inner wall of the collar 4, and a sponge ring 7 is installed on the upper surface of the basic sleeve rod 1 and the first telescopic rod 2. By setting the collar 4 and the auger 6, when adding lubricating oil, the lubricating oil can be spread evenly as much as possible, and by setting the sponge ring 7, the lubricating oil can be absorbed, and the lubrication work of the telescopic rod can be completed during the use of the telescopic rod, and the lubricating oil can be applied evenly as much as possible.

[0032] The following is a detailed description of its overall specific settings and functions.

[0033] like Figures 1 - 5 As shown, a mounting ring 5 is installed on one side of the basic sleeve rod 1 and the first telescopic rod 2 close to the sponge ring 7, and a sealing plate 16 is fixedly connected to one side of the sleeve ring 4 close to the mounting ring 5, and an oil inlet 15 is opened on the surface of the sealing plate 16. By providing the mounting ring 5, the position of the lubricating oil can be restricted when adding the lubricating oil, and by providing the mounting ring 5, the sponge ring 7 can be installed and removed, and by providing the sealing plate 16 and the oil inlet 15, the lubricating oil can be added while avoiding the spillage of the lubricating oil as much as possible after the addition. A plurality of pointed protrusions 8 are fixedly connected to one side of the mounting ring 5 close to the sponge ring 7, and three fixed pointed rods 9 are fixedly connected to the surfaces of the plurality of pointed protrusions 8. By providing the pointed protrusions 8 and the fixed pointed rods 9, the sponge ring 7 can be conveniently fixed to the mounting ring 5, and the sponge ring 7 can be conveniently replaced.

[0034] The upper surface of the collar 4 is fixedly connected with four first fixing plates 10, and the inner walls of the four first fixing plates 10 are all slidably connected with limiting rods 12. By providing the first fixing plates 10, the limiting rods 12 can be connected to the collar 4, and the limiting rods 12 slidably connected to the inner walls of the first fixing plates 10 can move. One end of the limiting rod 12 away from the mounting ring 5 is fixedly connected with a pulling plate 13. By providing the pulling plate 13, the movement of the limiting rod 12 can be conveniently controlled. The upper surface of the mounting ring 5 is fixedly connected with four second fixing plates 11, and the four second fixing plates 11 are all sleeved on the surface of the limiting rod 12. By providing the limiting rod 12, the position of the second fixing plate 11 can be restricted, so that the position of the mounting ring 5 can be restricted. A spring 14 is sleeved on the surface of the limiting rod 12, and the two ends of the spring 14 are respectively fixedly connected with the pulling plate 13 and the first fixing plate 10. By providing the pulling plate 13, the spring 14 can be conveniently installed, and by providing the spring 14, the position of the limiting rod 12 can be restricted.

[0035] Working principle: When it is necessary to lubricate the telescopic rod, first add lubricating oil to the surface of the auger 6 in the collar 4 through the oil inlet 15 on the sealing plate 16. Then the lubricating oil flows along the auger 6 and approaches the sponge ring 7, so that the lubricating oil soaks into the sponge ring 7. At this time, start the telescopic rod to control its expansion and contraction, so as to complete the lubrication work on the surfaces of the first telescopic rod 2 and the second telescopic rod 3 during the expansion and contraction process. When it is necessary to replace the sponge ring 7, pull the pulling plate 13 to drive the limiting rod 12 to slide on the inner wall of the first fixing plate 10, so that it moves away from the second fixing plate 11, releasing the restriction on the position of the second fixing plate 11. Then, by pulling the second fixing plate 11, move the mounting ring 5 away from the base sleeve rod 1 or the first telescopic rod 2. Release the pulling plate 13, and under the action of the elastic force of the spring 14, the pulling plate 13 moves close to the first fixing plate 10, and the sponge ring 7 is taken off from the mounting ring 5. Move the sponge ring 7 to be installed close to the mounting ring 5, and fix the sponge ring 7 to the mounting ring 5 through the pointed protrusion 8 and the fixed pointed rod 9. Pull the pulling plate 13 to make it away from the first fixing plate 10, move the mounting ring 5 close to the collar 4, and then release the pulling plate 13. Under the action of the elastic force of the spring 14, the limiting rod 12 is clamped into the second fixing plate 11, completing the installation of the mounting ring 5 and the replacement of the sponge ring 7. By providing the collar 4, the mounting ring 5 and the sponge ring 7, the addition of lubricating oil and the lubrication of the telescopic rod can be facilitated. By providing the auger 6, it can be ensured as much as possible that the added lubricating oil is evenly distributed. By providing the first fixing plate 10, the second fixing plate 11 and the limiting rod 12, the disassembly and installation of the mounting ring 5 can be facilitated. By providing the pointed protrusion 8 and the fixed pointed rod 9, the replacement of the sponge ring 7 can be facilitated.

[0036] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0037] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A telescopic rod for a lifting device with convenient lubrication, comprising a base sleeve rod (1), characterized in that: A first telescopic rod (2) is installed inside the basic sleeve rod (1), a second telescopic rod (3) is installed inside the first telescopic rod (2), collar rings (4) are fixedly connected to the upper surfaces of the basic sleeve rod (1) and the first telescopic rod (2), augers (6) are fixedly connected to the inner walls of the collar rings (4), and sponge rings (7) are installed on the upper surfaces of the basic sleeve rod (1) and the first telescopic rod (2).

2. The telescopic rod for a lifting device with convenient lubrication according to claim 1, wherein: Mounting rings (5) are installed on one side of the basic sleeve rod (1) and the first telescopic rod (2) close to the sponge ring (7), a sealing plate (16) is fixedly connected to one side of the collar ring (4) close to the mounting ring (5), and an oil inlet (15) is opened on the surface of the sealing plate (16).

3. The telescopic rod for a lifting device with convenient lubrication according to claim 2, characterized in that: A number of pointed protrusions (8) are fixedly connected to one side of the mounting ring (5) close to the sponge ring (7), and three fixed pointed rods (9) are fixedly connected to the surfaces of the number of pointed protrusions (8).

4. A telescopic rod for a lifting device with convenient lubrication according to claim 1, characterized in that: Four first fixing plates (10) are fixedly connected to the upper surface of the collar ring (4), and limiting rods (12) are slidably connected to the inner walls of the four first fixing plates (10).

5. The telescopic rod for a lifting device with convenient lubrication according to claim 4, wherein: One end of the limiting rod (12) away from the mounting ring (5) is fixedly connected to a pulling plate (13).

6. The telescopic rod for a lifting device with convenient lubrication according to claim 2, wherein: Four second fixing plates (11) are fixedly connected to the upper surface of the mounting ring (5), and the four second fixing plates (11) are all sleeved on the surface of the limiting rod (12).

7. The telescopic rod for a lifting device with convenient lubrication according to claim 5, characterized in that: A spring (14) is sleeved on the surface of the limiting rod (12), and the two ends of the spring (14) are respectively fixedly connected to the pulling plate (13) and the first fixing plate (10).

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