CN112520622B - Four-column double-cylinder hydraulic lifting platform - Google Patents
Four-column double-cylinder hydraulic lifting platform Download PDFInfo
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- CN112520622B CN112520622B CN202011335276.7A CN202011335276A CN112520622B CN 112520622 B CN112520622 B CN 112520622B CN 202011335276 A CN202011335276 A CN 202011335276A CN 112520622 B CN112520622 B CN 112520622B
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- cylinder
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- platform
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a four-column double-cylinder hydraulic lifting platform which comprises a supporting platform, a basic frame, an adjustable upper limit, a guide post, a guide sleeve, a lateral hard support detection sensor, a lifting hydraulic cylinder, a hydraulic synchronous sensor, an upper limit sensor, a lower limit sensor, an upper buffer block and a lower buffer block.
Description
Technical Field
The invention relates to the technical field of hydraulic lifting platforms, in particular to a four-column double-cylinder hydraulic lifting platform.
Background
The hydraulic lifting platform is widely applied to the current industrial production, solves the problem of material lifting, is particularly convenient for vehicles to enter and exit the platform, and greatly improves the working efficiency and the application field.
At present, the structure forms of the hydraulic lifting platform mostly adopt single-hydraulic cylinder and double-hydraulic cylinder scissor forks, single-hydraulic cylinder direct acting type, double-cylinder four-column roller type and the like, and one or more problems of poor bearing capacity, poor stability, poor rigidity, overlarge basic size, troublesome installation and construction and the like exist, so that the application of the hydraulic lifting platform in the field of high-precision requirements is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the four-column double-cylinder hydraulic lifting platform which has reasonable and ingenious structural design, high control precision, high operation efficiency, large bearing capacity, stable operation, good rigidity and simple and convenient installation and realizes electro-hydraulic control.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the utility model provides a four post double-cylinder hydraulic lifting platform, includes supporting platform, foundation frame, adjustable upper limit, guide pillar, guide pin bushing, side direction rigid support detection sensor, lifts pneumatic cylinder, hydraulic synchronization sensor, upper limit sensor, lower limit sensor, goes up buffer block, lower buffer block, foundation frame is installed to supporting platform both sides symmetry, the middle of foundation frame installs lifts the pneumatic cylinder, hydraulic synchronization sensor is installed to lifting the pneumatic cylinder top, two guide pillars are installed to the position in foundation frame in lifting the pneumatic cylinder bilateral symmetry, all be equipped with the guide pin bushing on the guide pillar, upper limit sensor and lower limit sensor are installed on one side edge of foundation frame, 4 adjustable upper limit is all installed at the outside limit top of foundation frame, side direction rigid support is installed to adjustable upper limit below, side direction rigid support detection sensor is installed to the side direction rigid support below, upper buffer block and lower buffer block are all installed to the four corners of supporting platform.
As a further scheme of the invention, the adjustable upper limit comprises a connecting seat, and the connecting seat is provided with an adjusting block through an adjusting screw.
As a further scheme of the invention, the lateral hard support comprises a hydraulic cylinder, a guide key, a sliding support shaft and a cushion block, wherein the hydraulic cylinder is connected with the sliding support shaft, the guide key is positioned on one side of the sliding support shaft, and the cushion block is arranged on the sliding support shaft.
As a further scheme of the invention, the supporting platform is a section bar welding grid structure, and the foundation frame is a section bar and plate welding structure.
As a further scheme of the invention, the guide post is formed by processing an integral solid bar.
As a further scheme of the invention, the guide sleeve is of a welded structure, and an oilless composite bearing is embedded in the middle.
As a further scheme of the invention, the lateral hard support detection sensor is a contact travel switch.
As a further scheme of the invention, the lifting hydraulic cylinder is in a double hydraulic cylinder form; the hydraulic synchronous sensor is a guyed synchronous sensor.
As a further scheme of the invention, the upper limit sensor and the lower limit sensor are contact type travel switches.
As a further scheme of the invention, the upper buffer block and the lower buffer block are both elastomer buffer blocks.
The invention has the beneficial effects that: the dual-hydraulic cylinder lifting, four-column guiding and multi-sensor detection are adopted, the design is reasonable and ingenious, the bearing capacity is high, the operation is stable, the positioning accuracy is high, the supporting platform is of a section welding grid structure, the weight is light, the structural rigidity is good, and the electric hydraulic control system is combined, so that the supporting platform is very stable in operation, good in rigidity, high in unbalanced load resistance, safe and reliable in operation and the like, and is suitable for various occasions, especially for precise vehicles such as AGVs and the like, and the condition that the supporting platform is required to operate stably and with high positioning accuracy is required.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is an enlarged schematic view of the adjustable upper limit of the present invention;
fig. 5 is an enlarged schematic view of the lateral hard support according to the present invention.
In the figure, 1 is a supporting platform, 2 is a basic frame, 3 is an adjustable upper limit, 4 is a guide post, 5 is a guide sleeve, 6 is a lateral hard support, 7 is a lateral hard support detection sensor, 8 is a lifting hydraulic cylinder, 9 is a hydraulic synchronous sensor, 10 is an upper limit sensor, 11 is a lower limit sensor, 12 is an upper buffer block, 13 is a lower buffer block, 31 is a connecting seat, 32 is an adjusting block, 33 is an adjusting screw, 61 is a hydraulic cylinder, 62 is a guide key, 63 is a sliding support shaft, and 64 is a cushion block.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to a four-column double-cylinder hydraulic lifting platform as shown in fig. 1-5, the four-column double-cylinder hydraulic lifting platform comprises a supporting platform 1, a foundation frame 2, an adjustable upper limit 3, a guide post 4, a guide sleeve 5, a lateral hard support 6, a lateral hard support detection sensor 7, a lifting hydraulic cylinder 8, a hydraulic synchronous sensor 9, an upper limit sensor 10, a lower limit sensor 11, an upper buffer block 12 and a lower buffer block 13, wherein the foundation frame 2 is symmetrically arranged on two sides of the supporting platform 1, a welding structure of sectional materials and plates is firm and heavy, the foundation for installing each component is provided, the installation surface of the bottom surface is a plane, and the four-column double-cylinder hydraulic lifting platform can be directly fixed on the ground and is convenient to install; the middle of the foundation frame 2 is provided with a lifting hydraulic cylinder 8, a hydraulic synchronous sensor 9 is arranged above the lifting hydraulic cylinder 8, two guide posts 4 are symmetrically arranged on two sides of the lifting hydraulic cylinder 8 in the foundation frame 2, guide sleeves 5 are arranged on the guide posts 4, an upper limit sensor 10 and a lower limit sensor 11,4 are arranged on one side edge of the foundation frame 2, an adjustable upper limit 3 is arranged on the top of the outer side edge of the foundation frame 2, a lateral hard support 6 is arranged below the adjustable upper limit 3, a lateral hard support detection sensor 7 is arranged below the lateral hard support 6, and an upper buffer block 12 and a lower buffer block 13 are arranged at four corners of the supporting platform 1. The adjustable upper limit 3 comprises a connecting seat 31, and an adjusting block 32 is arranged on the connecting seat 31 through an adjusting screw 33. The adjustable upper limit 3 is used for accurately positioning the supporting platform 1, is distributed at four corners of the base frame 2, is fixed at the top end of the base frame 2 by connecting seats 31, is used for fixing the adjusting blocks 32 by adjusting screws 33 on the connecting seats 13, and accurately sets the up-down positions of the adjusting blocks 32 by the adjusting screws 33 so as to limit the up-going position of the supporting platform 1, and reasonably adjusts the four adjusting blocks to enable the supporting platform 1 to stay at an ideal height position. The lateral hard support 6 comprises a hydraulic cylinder 61, a guide key 62, a sliding support shaft 63 and a cushion block 64, wherein the hydraulic cylinder 61 is connected with the sliding support shaft 63, the guide key 62 is positioned on one side of the sliding support shaft 63, and the cushion block 64 is arranged on the sliding support shaft 63. The lateral hard supports 6 are uniformly distributed on the base frames 2 on two sides, the hydraulic cylinders 61 are fixed on the base frames 2, the head ends of the lateral hard supports are directly connected with the sliding support shafts 63, the sliding support shafts 63 are driven to advance and retreat through the reciprocating motion of the hydraulic cylinders 61, the guide keys 62 provide guidance for the sliding support shafts 63 to advance and retreat so as to prevent the sliding support shafts 63 from rotating, the cushion blocks 64 are fixed on the sliding support shafts 63, when the sliding support shafts 63 extend along with the sliding support shafts 63, the upper plane is just positioned below the supporting platform 1, after proper gaps are adjusted, the cushion blocks 64 can prevent the platform of the supporting platform 1 from sinking due to instant unbalanced load, the four lateral hard supports 6 can ensure reliable support, and the gaps of the cushion blocks 64 are adjusted according to the required positioning precision of the platform. The lateral hard support detection sensor is a contact travel switch and can be reliably interlocked with the running switch, and when the supporting platform rises or falls, the four lateral hard supports are required to retract, so that the supporting platform is prevented from striking the cushion blocks of the lateral hard supports. The supporting platform 1 is a section bar welding grid structure, and the foundation frame 2 is a section bar and plate welding structure. The guide posts 4 are formed by processing integral solid bars and distributed at four corners of the base frame 2, are formed by processing integral solid bars, and provide guidance for the up-and-down operation of the supporting platform 1, so that the operation stability and the unbalanced load resistance of the supporting platform are improved. The guide sleeve 5 is of a welded structure, is embedded with an oilless composite bearing in the middle, is a matched piece of a guide post, is of a welded structure, is fixed at four corners of the supporting platform 1, is embedded with the oilless composite bearing in the middle, reduces a gap between the oilless composite bearing and the guide post, reduces friction resistance, and increases running stability and unbalanced load resistance of the supporting platform 1. The lateral hard support detection sensor 7 is a contact travel switch. The lifting hydraulic cylinders 8 are in a double hydraulic cylinder form and distributed in the middle of the foundation frame 2, the fixed ends of the lifting hydraulic cylinders are fixed on the foundation frame 2, the movable ends of the lifting hydraulic cylinders are connected with the supporting platform 1, the stress condition of the supporting platform is optimized through the double hydraulic cylinder form, and the running stability and the bearing capacity of the supporting platform are improved. The hydraulic synchronous sensor 9 is a guy type synchronous sensor, the fixed end of the hydraulic synchronous sensor is connected with the base frame, the movable end of the hydraulic synchronous sensor is connected with the supporting platform, the elongation of the two hydraulic cylinders is detected in real time, the elongation of the two hydraulic cylinders is balanced through the hydraulic proportional servo valve, and meanwhile, the hydraulic synchronous sensor is matched with a four-guide-post guide sleeve structure, so that the purpose of stable lifting is achieved. The upper limit sensor 10 and the lower limit sensor 11 are contact travel switches, and the upper limit sensor 10 is a contact travel switch and is installed above one side of the base frame 2 and used for controlling the uplink limit of the supporting platform 1. The lower limit sensor 11 is a contact travel switch and is installed below a single side of the base frame and used for controlling the lower limit of the supporting platform 1. The upper buffer block 12 and the lower buffer block 13 are both elastic buffer blocks, the upper buffer block 12 is an elastic buffer block, and is arranged at four corners of the table top of the supporting platform for buffering when reaching an upper limit, and the lower buffer block 13 is an elastic buffer block, and is arranged at four corners of the bottom surface of the supporting platform for buffering when reaching a lower limit.
The embodiment combines an electric hydraulic control system, so that the operation of the supporting platform 1 is very stable, and the supporting platform has the characteristics of high bearing capacity, high rigidity, high unbalanced load resistance, high positioning precision, safe and reliable operation and the like, and is suitable for various occasions, especially for precise vehicles such as AGVs and the like to come in and go out, and the conditions of stable operation and high positioning precision of the supporting platform are required.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. A four-column double-cylinder hydraulic lifting platform is characterized in that: including supporting platform (1), basic frame (2), adjustable upper limit (3), guide pillar (4), guide pin bushing (5), side direction rigid support (6), side direction rigid support detection sensor (7), lift pneumatic cylinder (8), hydraulic synchronization sensor (9), upper limit sensor (10), lower limit sensor (11), upper buffer block (12), lower buffer block (13), basic frame (2) are installed to supporting platform (1) bilateral symmetry, lift pneumatic cylinder (8) are installed to the centre of basic frame (2), lift pneumatic cylinder (8) top is installed hydraulic synchronization sensor (9), two guide pillars (4) are installed to the side direction rigid support (6) are located in lifting pneumatic cylinder (8) bilateral symmetry in basic frame (2), all be equipped with guide pin bushing (5) on guide pillar (4), upper limit sensor (10) and lower limit sensor (11) are installed on one side edge of basic frame (2), 4 adjustable upper limit (3) are all installed at the lateral side top of basic frame (2), side direction rigid support (6) are installed to side direction rigid support (6), an upper buffer block (12) and a lower buffer block (13) are arranged at four corners of the supporting platform (1); the adjustable upper limit (3) comprises a connecting seat (31), and an adjusting block (32) is arranged on the connecting seat (31) through an adjusting screw (33); the lateral hard support (6) comprises a hydraulic cylinder (61), a guide key (62), a sliding support shaft (63) and a cushion block (64), wherein the hydraulic cylinder (61) is connected with the sliding support shaft (63), the guide key (62) is positioned on one side of the sliding support shaft (63), and the cushion block (64) is arranged on the sliding support shaft (63).
2. The four-column, two-cylinder hydraulic lift platform of claim 1 wherein: the supporting platform (1) is a section bar welding grid structure, and the base frame (2) is a section bar and plate welding structure.
3. The four-column, two-cylinder hydraulic lift platform of claim 1 wherein: the guide post (4) is formed by processing an integral solid bar stock.
4. The four-column, two-cylinder hydraulic lift platform of claim 1 wherein: the guide sleeve (5) is of a welded structure, and an oilless composite bearing is embedded in the middle.
5. The four-column, two-cylinder hydraulic lift platform of claim 1 wherein: the lateral hard support detection sensor (7) is a contact type travel switch.
6. The four-column, two-cylinder hydraulic lift platform of claim 1 wherein: the lifting hydraulic cylinder (8) is in a double-hydraulic cylinder form; the hydraulic synchronous sensor (9) is a guy type synchronous sensor.
7. The four-column, two-cylinder hydraulic lift platform of claim 1 wherein: the upper limit sensor (10) and the lower limit sensor (11) are contact travel switches.
8. The four-column, two-cylinder hydraulic lift platform of claim 1 wherein: the upper buffer block (12) and the lower buffer block (13) are elastomer buffer blocks.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011335276.7A CN112520622B (en) | 2020-11-25 | 2020-11-25 | Four-column double-cylinder hydraulic lifting platform |
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CN202011335276.7A CN112520622B (en) | 2020-11-25 | 2020-11-25 | Four-column double-cylinder hydraulic lifting platform |
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CN112520622A CN112520622A (en) | 2021-03-19 |
CN112520622B true CN112520622B (en) | 2024-01-12 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202440273U (en) * | 2012-02-24 | 2012-09-19 | 无锡市顺达物流涂装设备有限公司 | Four-column synchronous lifting table |
TW201431773A (en) * | 2013-02-01 | 2014-08-16 | Ming Lurn Prec Machine Co Ltd | Vehicle lift transmission mechanism and vehicle lift comprising the same |
CN104709844A (en) * | 2015-03-17 | 2015-06-17 | 江苏中一汽车机械设备制造有限公司 | Four-column type lifter with secondary lifting function |
CN204454470U (en) * | 2014-12-15 | 2015-07-08 | 宁波海迈克动力科技有限公司 | A kind of hydraulic lifting frame for stepping on car |
CN214570374U (en) * | 2020-11-25 | 2021-11-02 | 浙江精功精密制造有限公司 | Four-column double-cylinder hydraulic lifting platform |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11697947B2 (en) * | 2019-01-22 | 2023-07-11 | BendPak, Inc. | Three-level vehicle lift |
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2020
- 2020-11-25 CN CN202011335276.7A patent/CN112520622B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202440273U (en) * | 2012-02-24 | 2012-09-19 | 无锡市顺达物流涂装设备有限公司 | Four-column synchronous lifting table |
TW201431773A (en) * | 2013-02-01 | 2014-08-16 | Ming Lurn Prec Machine Co Ltd | Vehicle lift transmission mechanism and vehicle lift comprising the same |
CN204454470U (en) * | 2014-12-15 | 2015-07-08 | 宁波海迈克动力科技有限公司 | A kind of hydraulic lifting frame for stepping on car |
CN104709844A (en) * | 2015-03-17 | 2015-06-17 | 江苏中一汽车机械设备制造有限公司 | Four-column type lifter with secondary lifting function |
CN214570374U (en) * | 2020-11-25 | 2021-11-02 | 浙江精功精密制造有限公司 | Four-column double-cylinder hydraulic lifting platform |
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