Clutch type hydraulic lifting column
By designing clutch hydraulic lifting columns, the pressure bearing mechanism and buffer mechanism are used to achieve separation from the lifting columns, solving the problem of repeated crushing of existing hydraulic lifting columns during vehicle passage, extending service life and reducing maintenance costs.
Patent Information
- Application Number
- CN202510217448.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2025-05-06
AI Technical Summary
The existing hydraulic lifting columns are prone to repeated crushing during vehicle traffic, resulting in loosening of mechanical components, premature damage to hydraulic components, shortening of service life and increasing maintenance costs.
A clutch hydraulic lifting column is designed, adopting a pressure bearing mechanism and a buffering mechanism. The pressure bearing mechanism is matched in the concrete on the road surface. Through the buffer spring and an annular buffer base, the lifting and separation from the lifting column are realized, so as to avoid direct transmission of pressure to the lifting column.
It effectively avoids repeated crushing of the lifting column during vehicle passage, extends service life, reduces maintenance costs, and maintains the normal function of the anti-collision facilities.
Smart Images
Figure CN119933062A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of hydraulic lifting equipment, and in particular relates to a clutch type hydraulic lifting column. Background Art
[0002] Generally, hydraulic lifting columns are buried in the road surface. When raised, they are used as anti-collision facilities to maintain the safety of government agencies, enterprises and institutions. When lowered, they are used as part of the road for normal traffic. Generally, when the hydraulic lifting column is lowered, the column core and the fixed cover plate are flush with each other. When vehicles pass by, they repeatedly roll over the lifting column core, which makes the hydraulic lifting column core bear great pressure. The lifting column assembly needs to withstand vibrations of various frequencies. The overall use condition is relatively poor, and problems such as loose mechanical parts and premature damage of hydraulic components are prone to occur, resulting in column core sinking and the lifting column cannot be raised and lowered normally. The cost of maintenance and repair of hydraulic lifting columns in the later stage increases significantly, and the service life is greatly shortened. Summary of the invention
[0003] The purpose of the present invention is to provide a clutch type hydraulic lifting column, so as to improve the problem that the existing lifting column is repeatedly crushed during the passage of vehicles, thereby greatly shortening the service life.
[0004] In order to achieve the above object, the present invention adopts the following technical solutions:
[0005] A clutch hydraulic lifting column comprises a pressure-bearing mechanism, a buffer mechanism, a connecting spindle and a lifting column, wherein the pressure-bearing mechanism is matched and arranged in the concrete of the road surface, and the lifting column is arranged below the pressure-bearing mechanism, the lower end of the connecting spindle is the lower part of the spindle connected to the upper end of the lifting column, the upper end of the connecting spindle is the upper part of the spindle abutting against the pressure-bearing mechanism, and the middle part of the connecting spindle is the middle part of the spindle connecting the upper part of the spindle and the lower part of the spindle; the buffer mechanism comprises a buffer spring and an annular buffer base, the annular buffer base is sleeved on the outside of the connecting spindle, the buffer spring is located below the upper part of the spindle, the lower part of the annular buffer base is elastically connected to the upper part of the spindle through the buffer spring, and the upper end of the annular buffer base is connected to the pressure-bearing mechanism.
[0006] As a preferred technical solution in the present invention, the diameters of the upper part and the lower part of the main shaft are both larger than the diameter of the middle part of the main shaft.
[0007] As a preferred technical solution in the present invention, the lower part of the main shaft is connected to the upper end of the lifting column through a fixing bolt.
[0008] As a preferred technical solution in the present invention, a lower limit ring extending inward is provided at the lower portion of the annular buffer base, and a buffer spring is provided between the lower limit ring and the upper portion of the main shaft.
[0009] As a preferred technical solution in the present invention, the lower end of the upper part of the main shaft and the upper end of the lower limiting ring are both provided with spring limiting columns, and both ends of the buffer spring are sleeved on the outside of the corresponding spring limiting columns.
[0010] As a preferred technical solution in the present invention, the lower end of the upper part of the main shaft and the upper end of the lower limiting ring are both provided with spring limiting grooves, and both ends of the buffer spring are sleeved in the corresponding spring limiting grooves.
[0011] As a preferred technical solution in the present invention, the lower end of the upper part of the main shaft and the upper end of the lower limit ring are both provided with annular spring positioning openings, and both ends of the buffer spring are hooked in the corresponding annular spring positioning openings.
[0012] As a preferred technical solution in the present invention, an upper connecting ring extending outward is provided at the upper end of the annular buffer base, and the upper connecting ring is connected to the pressure-bearing mechanism through fixing bolts.
[0013] As a preferred technical solution in the present invention, the annular buffer base is composed of at least two arc-shaped buffer bases.
[0014] As a preferred technical solution in the present invention, the pressure-bearing mechanism includes a pressure-bearing cover plate and an annular pressure-bearing cover plate base. The annular pressure-bearing cover plate base is installed in the concrete of the road surface. An installation groove is opened at the upper end of the annular pressure-bearing cover plate base. The pressure-bearing cover plate is matched with an installation groove, and the upper part of the main shaft is abutted against the pressure-bearing cover plate; the annular pressure-bearing cover plate base is sleeved on the outside of the annular buffer base, and the upper end of the annular buffer base is connected to the pressure cover plate.
[0015] Beneficial effect: when it is necessary to control the pressure-bearing mechanism to rise, the lifting column drives the connecting main shaft to rise, and when the connecting main shaft abuts against the pressure-bearing mechanism, the pressure-bearing mechanism can be driven to rise above the road surface to be used as an anti-collision facility without affecting the normal performance of its main function. When not in use, the lifting column drives the connecting main shaft to descend, and the upper part of the main shaft connected to the main shaft compresses the buffer spring, which presses down the lower part of the annular buffer base through the buffer spring, and then the annular buffer base can drive the pressure-bearing mechanism to descend into the concrete of the road surface to achieve overall reset, and the operation is simple and stable. At the same time, the compression of the buffer spring by the upper part of the main shaft can make the upper part of the main shaft further move downward relative to the pressure-bearing mechanism, thereby separating the two. At this time, when a vehicle presses on the pressure-bearing mechanism, the pressure-bearing mechanism cannot directly transmit pressure to the lifting column, which can avoid the lifting column from being repeatedly crushed during the passage of vehicles, thereby extending the service life of the lifting column. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of an explosion at a first viewing angle of the present invention;
[0017] Figure 2It is a schematic diagram of an explosion at a second viewing angle of the present invention;
[0018] Figure 3 It is a cross-sectional effect diagram of the present invention;
[0019] Figure 4 This is a schematic diagram of the present invention installed in a road surface.
[0020] In the figure: 1-connecting main shaft; 2-lifting column; 3-buffer spring; 4-annular buffer base; 5-pressure-bearing cover plate; 6-annular pressure-bearing cover plate base; 7-concrete pavement layer; 8-filling layer; 9-concrete bottom layer. DETAILED DESCRIPTION
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the present invention will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.
[0022] Example:
[0023] like Figure 1-Figure 4 As shown, this embodiment provides a clutch type hydraulic lifting column, including a pressure bearing mechanism, a buffer mechanism, a connecting spindle 1 and a lifting column 2, and the pressure bearing mechanism is matched and arranged in the concrete of the road surface, such as Figure 4As shown, in practice, a pit is excavated and installed according to the road elevation, a concrete bottom layer 9 is poured at the bottom of the pit to carry the hydraulic lifting column, a backfill layer 8 is filled in the middle, and a concrete road surface layer 7 is poured on the upper part to fix the pressure-bearing mechanism and the lifting column 2 to complete the installation of the clutch hydraulic lifting column. This installation method is an existing installation method and is not protected in this embodiment. In which, the lifting column 2 is arranged below the pressure-bearing mechanism to control the lifting and lowering of the pressure-bearing mechanism, and the lifting column 2 can use an existing hydraulic lifting column. The lower end of the connecting spindle 1 is the lower part of the spindle connected to the upper end of the lifting column 2, which is convenient for lifting and lowering adjustment under the control of the lifting column 2. The upper end of the connecting spindle 1 is the upper part of the spindle abutting against the pressure-bearing mechanism, and then when the lifting column 2 drives the connecting spindle 1 to rise, the connecting spindle 1 can drive the pressure-bearing mechanism to rise above the road surface to be used as an anti-collision facility. The middle part of the connecting spindle 1 is the middle part of the spindle connecting the upper part and the lower part of the spindle; the buffer mechanism includes a buffer spring 3 and an annular buffer base The seat 4, the annular buffer base 4 is sleeved on the outside of the connecting main shaft 1, does not affect the upward and downward adjustment of the connecting main shaft 1 relative to the annular buffer base 4, the buffer spring 3 is located below the upper part of the main shaft, and the lower part of the annular buffer base 4 is elastically connected to the upper part of the main shaft through the buffer spring 3, and the upper end of the annular buffer base 4 is connected to the pressure-bearing mechanism, and then when the lifting column 2 drives the connecting main shaft 1 to descend, the upper part of the main shaft of the connecting main shaft 1 compresses the buffer spring 3, and the lower part of the annular buffer base 4 is pressed down by the buffer spring 3, so that the annular buffer base 4 can drive the pressure-bearing mechanism to descend. When the pressure-bearing mechanism is reset to the concrete of the road surface, it does not affect the normal passage of vehicles, and the upper part of the main shaft continues to compress the buffer spring 3, which can separate the connecting main shaft 1 from the pressure-bearing mechanism, and the two are in a non-contact state. At this time, if a vehicle presses on the pressure-bearing mechanism, the pressure-bearing mechanism cannot directly transmit pressure to the lifting column, which can avoid the lifting column from being repeatedly crushed during the passage of vehicles, thereby extending the service life of the lifting column.
[0024] When the pressure-bearing mechanism needs to be controlled to rise, the lifting column 2 drives the connected main shaft 1 to rise. When the connected main shaft 1 abuts against the pressure-bearing mechanism, the pressure-bearing mechanism can be driven to rise above the road surface to be used as an anti-collision facility without affecting the normal performance of its main function. When not in use, the lifting column 2 drives the connected main shaft 1 to descend, and the upper part of the main shaft connected to the main shaft 1 compresses the buffer spring 3, and the buffer spring 3 presses down the lower part of the annular buffer base 4, and then the annular buffer base 4 can drive the pressure-bearing mechanism to descend into the concrete of the road surface to achieve overall reset. The operation is simple and stable. At the same time, the compression of the buffer spring by the upper part of the main shaft can make the upper part of the main shaft move downward relative to the pressure-bearing cover plate, and then the two are separated. At this time, when a vehicle presses on the pressure-bearing cover plate, the pressure-bearing cover plate cannot directly transmit the pressure to the lifting column, which can avoid the lifting column from being repeatedly crushed during the passage of the vehicle, thereby extending the service life of the lifting column.
[0025] As a preferred implementation scheme in this embodiment, it needs to be further explained that the diameters of the upper and lower parts of the main shaft are both larger than the diameter of the middle part of the main shaft, so that the main shaft 1 is connected to form an I-shaped column structure. The larger diameter of the lower part of the main shaft is convenient for connection with the upper end of the lifting column 2, and the larger diameter of the upper part of the main shaft is convenient for setting a buffer spring 3 thereunder.
[0026] As a preferred implementation scheme in this embodiment, it needs to be further explained that the lower part of the main shaft is connected to the upper end of the lifting column 2 by fixing bolts, and the connection method is simple and stable.
[0027] As a preferred implementation scheme in this embodiment, it needs to be further explained that the lower part of the annular buffer base 4 is provided with a lower limit ring extending inward, and the buffer spring 3 is arranged between the lower limit ring and the upper part of the main shaft, which can ensure the stability of the buffer spring 3. The number of buffer springs 3 can be set according to actual conditions, and it is preferably installed in an annular array.
[0028] As a preferred implementation scheme in this embodiment, it needs to be further explained that spring limiting columns are provided at the lower end of the upper part of the main shaft and the upper end of the lower limiting ring, and both ends of the buffer spring 3 are sleeved on the outside of the corresponding spring limiting columns, so that the upper and lower parts of the buffer spring 3 can be limited, making the buffer spring 3 more stable during operation.
[0029] As a preferred implementation scheme in this embodiment, it needs to be further explained that the lower end of the upper part of the main shaft and the upper end of the lower limit ring are both provided with spring limit grooves, and both ends of the buffer spring 3 are both sleeved in the corresponding spring limit grooves, so that the upper and lower parts of the buffer spring 3 can be limited, so that the buffer spring 3 is more stable during operation.
[0030] As a preferred implementation scheme in this embodiment, it needs to be further explained that an annular spring locating port is provided at the lower end of the upper part of the main shaft and the upper end of the lower limit ring. Preferably, the annular spring locating port is an arc-shaped limit ring. A notch is formed between the arc-shaped limit ring and the upper part of the main shaft or the lower limit ring, so that both ends of the buffer spring 3 are conveniently hooked in the corresponding notches of the annular spring locating port, and then the upper and lower parts of the buffer spring 3 can be limited, so that the buffer spring 3 is more stable during operation.
[0031] As a preferred implementation scheme in this embodiment, it needs to be further explained that the upper end of the annular buffer base 4 is provided with an upper connecting ring extending outward, and the upper connecting ring is connected to the pressure-bearing mechanism by fixing bolts, and the connection method is simple and stable.
[0032] As a preferred implementation scheme in this embodiment, it needs to be further explained that the annular buffer base 4 is composed of at least two arc-shaped buffer bases. During installation, the arc-shaped buffer bases are installed separately to facilitate the socket fitting of the annular buffer base 4 and the connecting spindle 1, making loading and unloading easier.
[0033] As a preferred implementation scheme in this embodiment, it needs to be further explained that the pressure-bearing mechanism includes a pressure-bearing cover plate 5 and an annular pressure-bearing cover plate base 6. The annular pressure-bearing cover plate base 6 is installed in the concrete of the road surface. Figure 1-4 As shown, a limiting ring is preferably provided in the middle of the outer wall of the annular pressure-bearing cover plate base 6. The limiting ring is directly positioned in the concrete pavement layer 7 to ensure the stability of the annular pressure-bearing cover plate base 6. A mounting groove is provided at the upper end of the annular pressure-bearing cover plate base 6, and the pressure-bearing cover plate 5 is matched with the mounting groove, so that it does not affect the operation of the vehicle at normal times. The upper part of the main shaft abuts against the pressure-bearing cover plate 5, and in practice it drives the pressure-bearing cover plate 5 to rise and fall; the annular pressure-bearing cover plate base 6 is sleeved on the outside of the annular buffer base 4, and the upper end of the annular buffer base 4 is connected to the pressure cover plate 5, so that the annular buffer base 4 and the pressure cover plate 5 can cooperate with each other during the lifting process.
[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A clutch type hydraulic lifting column, characterized in that: The invention comprises a pressure-bearing mechanism, a buffer mechanism, a connecting spindle (1) and a lifting column (2); the pressure-bearing mechanism is matched and arranged in the concrete of the road surface; the lifting column (2) is arranged below the pressure-bearing mechanism; the lower end of the connecting spindle (1) is the lower part of the spindle connected to the upper end of the lifting column (2); the upper end of the connecting spindle (1) is the upper part of the spindle abutting against the pressure-bearing mechanism; the middle part of the connecting spindle (1) is the middle part of the spindle connecting the upper part of the spindle and the lower part of the spindle; the buffer mechanism comprises a buffer spring (3) and an annular buffer base (4); the annular buffer base (4) is sleeved on the outside of the connecting spindle (1); the buffer spring (3) is located below the upper part of the spindle; the lower part of the annular buffer base (4) is elastically connected to the upper part of the spindle through the buffer spring (3); and the upper end of the annular buffer base (4) is connected to the pressure-bearing mechanism.
2. A clutch type hydraulic lifting column according to claim 1, characterized in that: The diameters of the upper part and the lower part of the main shaft are both larger than the diameter of the middle part of the main shaft.
3. A clutch type hydraulic lifting column according to claim 2, characterized in that: The lower part of the main shaft is connected to the upper end of the lifting column (2) via a fixing bolt.
4. A clutch type hydraulic lifting column according to any one of claims 1 to 3, characterized in that: The lower part of the annular buffer base (4) is provided with a lower limiting ring extending inwards, and the buffer spring (3) is arranged between the lower limiting ring and the upper part of the main shaft.
5. The clutch type hydraulic lifting column according to claim 4, characterized in that: The lower end of the upper part of the main shaft and the upper end of the lower limiting ring are both provided with spring limiting columns, and both ends of the buffer spring (3) are sleeved outside the corresponding spring limiting columns.
6. The clutch type hydraulic lifting column according to claim 4, characterized in that: The lower end of the upper part of the main shaft and the upper end of the lower limiting ring are both provided with spring limiting grooves, and both ends of the buffer spring (3) are sleeved in the corresponding spring limiting grooves.
7. The clutch type hydraulic lifting column according to claim 4, characterized in that: The lower end of the upper part of the main shaft and the upper end of the lower limiting ring are both provided with an annular spring positioning opening, and both ends of the buffer spring (3) are hooked in the corresponding annular spring positioning opening.
8. The clutch type hydraulic lifting column according to claim 4, characterized in that: An upper connecting ring extending outward is provided at the upper end of the annular buffer base (4), and the upper connecting ring is connected to the pressure-bearing mechanism via fixing bolts.
9. The clutch type hydraulic lifting column according to claim 8, characterized in that: The annular buffer base (4) is composed of at least two arc-shaped buffer bases.
10. A clutch type hydraulic lifting column according to any one of claims 1 to 3, characterized in that: The pressure-bearing mechanism comprises a pressure-bearing cover plate (5) and an annular pressure-bearing cover plate base (6); the annular pressure-bearing cover plate base (6) is installed in the concrete of the road surface; a mounting groove is provided at the upper end of the annular pressure-bearing cover plate base (6); the pressure-bearing cover plate (5) is matched with the mounting groove; the upper part of the main shaft abuts against the pressure-bearing cover plate (5); the annular pressure-bearing cover plate base (6) is sleeved on the outside of the annular buffer base (4); the upper end of the annular buffer base (4) is connected to the pressure-bearing cover plate (5).