CN214570374U - Four-column double-cylinder hydraulic lifting platform - Google Patents
Four-column double-cylinder hydraulic lifting platform Download PDFInfo
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- CN214570374U CN214570374U CN202022753829.2U CN202022753829U CN214570374U CN 214570374 U CN214570374 U CN 214570374U CN 202022753829 U CN202022753829 U CN 202022753829U CN 214570374 U CN214570374 U CN 214570374U
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Abstract
The utility model discloses a four-column double-cylinder hydraulic lifting platform, which comprises a supporting platform, a basic frame, an adjustable upper limit, a guide pillar, 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, wherein the double hydraulic cylinders are adopted for lifting, four-column guiding and multi-sensor detection, the design is reasonable and ingenious, the bearing capacity is large, the operation is stable, the positioning precision is high, the supporting platform is a section bar welding grid structure, the weight is light, the structural rigidity is good, and an electric hydraulic control system is combined, the supporting platform has the characteristics of very stable operation, good rigidity, high unbalance loading resistance, safe and reliable operation and the like, and is suitable for various occasions, particularly the situations that precision vehicles such as AGV (automatic guided vehicle) enter and exit and the bearing platform is required to operate stably and have high positioning precision.
Description
Technical Field
The utility model relates to a hydraulic pressure lift platform technical field, concretely relates to four post double-cylinder hydraulic pressure lift platforms.
Background
The hydraulic lifting platform is widely applied in the current industrial production, solves the problem of material lifting, is particularly convenient for vehicles and other transportation tools to get in and out of the platform, and greatly improves the working efficiency and the application field.
The existing hydraulic lifting platform is mostly in a single-hydraulic cylinder scissor fork type or double-hydraulic cylinder scissor fork type structure, a single-hydraulic cylinder direct-acting type structure, a double-cylinder four-column roller type structure and the like, and has one or more problems of poor bearing capacity, poor stability, poor rigidity, overlarge basic size, troublesome installation and construction and the like, so that the application of the hydraulic lifting platform in the field of high-precision requirements is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a structural design is reasonable ingenious, control accuracy is high, operating efficiency is high, bearing capacity is big, operate steadily, the rigidity is good, the simple installation, realizes four post double-cylinder hydraulic lifting platform of electromechanical liquid control.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a four-column double-cylinder hydraulic lifting platform comprises a supporting platform, a basic frame, an adjustable upper limit, guide columns, guide sleeves, lateral hard supports, lateral hard support detection sensors, a lifting hydraulic cylinder, hydraulic synchronous sensors, an upper limit sensor, a lower limit sensor, an upper buffer block and a lower buffer block, wherein the basic frame is symmetrically arranged on two sides of the supporting platform, the lifting hydraulic cylinder is arranged in the middle of the basic frame, the hydraulic synchronous sensors are arranged above the lifting hydraulic cylinder, two guide columns are symmetrically arranged on two sides of the lifting hydraulic cylinder in the basic frame, the guide sleeves are arranged on the guide columns, the upper limit sensor and the lower limit sensor are arranged on one side edge of the basic frame, the adjustable upper limit is arranged on the top of 4 outer side edges of the basic frame, the lateral hard supports are arranged below the adjustable upper limit, and the lateral hard support detection sensors are arranged below the lateral hard supports, and four corners of the supporting platform are provided with an upper buffer block and a lower buffer block.
As a further scheme of the utility model, the spacing includes the connecting seat on adjustable, the regulating block is installed through adjusting screw to the connecting seat.
As a further scheme of the utility model, the side direction supports including pneumatic cylinder, direction key, slip back shaft and cushion firmly, the pneumatic cylinder links to each other with the slip back shaft, the direction key is located slip back shaft one side, install the cushion on the slip back shaft.
As a further aspect of the present invention, the supporting platform is a grid structure for welding sectional materials, and the base frame is a welded structure for the sectional materials and the plates.
As a further aspect of the present invention, the guide post is formed by processing an integral solid bar.
As a further scheme of the utility model, the guide pin bushing is the welded structure, and the middle embedding does not have oily composite bearing.
As a further aspect of the present invention, the lateral hard support detection sensor is a contact travel switch.
As a further aspect of the present invention, the lifting hydraulic cylinder is in the form of a double hydraulic cylinder; the hydraulic synchronous sensor is a stay wire type synchronous sensor.
As a further aspect of the present invention, the upper limit sensor and the lower limit sensor are both contact travel switches.
As a further aspect of the present invention, the upper buffer block and the lower buffer block are elastomer buffer blocks.
The utility model has the advantages that: the supporting platform is of a section bar welding grid structure, is light in weight and good in structural rigidity, is combined with an electric hydraulic control system, has the characteristics of being very stable in operation, good in rigidity, high in unbalance loading resistance, safe and reliable in operation and the like, is suitable for various occasions, particularly for the conditions that precision vehicles such as an AGV (automatic guided vehicle) enter and exit, and requires the bearing platform to operate stably and with high positioning precision.
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 structural view of the middle lateral hard support of the present invention.
In the figure, 1 is a supporting platform, 2 is a base 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 supporting shaft and 64 is a cushion block.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-5, a four-column double-cylinder hydraulic lifting platform comprises a supporting platform 1, a base frame 2, an adjustable upper limit 3, a guide pillar 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 base frame 2 is symmetrically arranged on two sides of the supporting platform 1, is a welded structure of sectional materials and plates, is solid and heavy, is a foundation for mounting each part, and a bottom surface mounting surface is a plane and can be directly placed on the ground for fixation, so that the mounting is convenient; two hydraulic cylinders 8 are installed in the middle of the base frame 2, hydraulic synchronous sensors 9 are installed above the hydraulic cylinders 8, two guide pillars 4 are symmetrically installed on two sides of each hydraulic cylinder 8 located in the base frame 2, guide sleeves 5 are arranged on the guide pillars 4, an upper limiting sensor 10 and a lower limiting sensor 11 are installed on one side edge of the base frame 2, the top of the outer side edge of the base frame 2 is provided with an adjustable upper limiting 3, a lateral hard support 6 is installed below the adjustable upper limiting 3, a lateral hard support detection sensor 7 is installed below the lateral hard support 6, and an upper buffer block 12 and a lower buffer block 13 are installed at four corners of the supporting platform 1. The adjustable upper limit 3 comprises a connecting seat 31, and an adjusting block 32 is installed on the connecting seat 31 through an adjusting screw 33. Adjustable spacing 3 is used for supporting platform 1's accurate positioning, distributes in four angles of basic frame 2, and its connecting seat 31 is fixed on basic frame 2 top, fixes regulating block 32 with adjusting screw 33 on connecting seat 13, sets for the upper and lower position of regulating block 32 through adjusting screw 33 accuracy to restriction supporting platform 1's the position of going upward, four adjusting blocks of rational adjustment make supporting platform 1 stop in 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 installed on the sliding support shaft 63. The lateral hard supports 6 are uniformly distributed on the two sides of the basic frame 2, the hydraulic cylinders 61 of the lateral hard supports are fixed on the basic frame 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 by the reciprocating motion of the hydraulic cylinders 61, the guide keys 62 provide guide for the advancing and retreating of the sliding support shafts 63 to prevent the sliding support shafts 63 from rotating, the cushion blocks 64 are fixed on the sliding support shafts 63, when the lateral hard supports extend out along with the sliding support shafts 63, the upper plane is just positioned below the supporting platform 1, after the proper gap is adjusted, the cushion blocks 64 can prevent the platform of the supporting platform 1 from sinking caused by instant unbalance loading overload, the four lateral hard supports 6 can guarantee reliable support, and the gaps of the cushion blocks 64 are adjusted according to the required platform positioning accuracy. The lateral hard support detection sensor is a contact type travel switch and can be reliably interlocked with the operation switch, and the four lateral hard supports must be retracted before the supporting platform rises or falls, so that the supporting platform is prevented from impacting a cushion block of the lateral hard supports. The supporting platform 1 is of a section bar welding latticed structure, and the base frame 2 is of a section bar and plate welding structure. The guide pillars 4 are formed by processing integral solid bars, are distributed at four corners of the base frame 2 and are formed by processing the integral solid bars, so that guidance is provided for the up-and-down operation of the supporting platform 1, and the operation stability and the unbalance loading resistance of the supporting platform are improved. Guide pin bushing 5 is the welded type structure, and middle embedding oilless composite bearing is the fitting piece of guide pillar, and welded structure is fixed in four angles of supporting platform 1, and middle embedding oilless composite bearing reduces the clearance with the guide pillar, reduces frictional resistance, increases the operation stationarity and the ability of anti unbalance loading of supporting platform 1. The lateral hard support detection sensor 7 is a contact type travel switch. The lifting hydraulic cylinders 8 are in a double-hydraulic-cylinder form and are distributed in the middle of the base frame 2, the fixed ends are fixed on the base frame 2, the movable ends are connected with the supporting platform 1, the stress condition of the supporting platform is optimized in the double-hydraulic-cylinder form, and the operation stability and the bearing capacity of the supporting platform are improved. The hydraulic synchronous sensor 9 is a stay wire type synchronous sensor, the fixed end of the stay wire type synchronous sensor is connected with the base frame, the movable end of the stay wire type synchronous sensor is connected with the supporting platform, the extension lengths of the two hydraulic cylinders are detected in real time, the extension amounts of the two hydraulic cylinders are balanced through a hydraulic proportional servo valve, and the purpose of stable lifting is achieved by matching with a four-guide-pillar guide-sleeve structure. The upper limit sensor 10 and the lower limit sensor 11 are both contact type travel switches, and the upper limit sensor 10 is a contact type travel switch, is installed above one side of the base frame 2, and is used for controlling the ascending limit of the supporting platform 1. The lower limit sensor 11 is a contact type travel switch, is installed below one side of the base frame, and is used for controlling the downward limit of the supporting platform 1. Go up buffer block 12 and buffer block 13 down and be the elastomer buffer block, go up buffer block 12 and be the elastomer buffer block, install in four angles of supporting platform mesa for the buffering when reaching upper limit, buffer block 13 is the elastomer buffer block down, installs in four angles of supporting platform bottom surface, is used for the buffering when reaching down limit.
The embodiment combines an electric hydraulic control system, so that the supporting platform 1 is very stable in operation, has the characteristics of large bearing capacity, good rigidity, large unbalance loading resistance, high positioning precision, safe and reliable operation and the like, is suitable for various occasions, and is particularly suitable for the situation that precise vehicles such as an AGV (automatic guided vehicle) enter and exit and require the stable operation and high positioning precision of the supporting platform.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides a four post double-cylinder hydraulic lifting platform which characterized in that: comprises a supporting platform (1), a basic frame (2), an adjustable upper limit (3), guide posts (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 basic frame (2) is symmetrically installed on two sides of the supporting platform (1), the lifting hydraulic cylinder (8) is installed in the middle of the basic frame (2), the hydraulic synchronous sensor (9) is installed above the lifting hydraulic cylinder (8), two guide posts (4) are symmetrically installed on two sides of the lifting hydraulic cylinder (8) in the basic frame (2), the guide posts (4) are respectively provided with the guide sleeve (5), and the upper limit sensor (10) and the lower limit sensor (11) are installed on one side edge of the basic frame (2), 4 adjustable upper limit (3) are all installed at the outside limit top of basic frame (2), adjustable upper limit (3) below is installed the side direction and is supported (6) firmly, side direction supports (6) below firmly and installs the side direction and support detection sensor (7) firmly, buffer block (12) and lower buffer block (13) are all installed in the four corners of supporting platform (1).
2. The four-column double-cylinder hydraulic lifting platform as claimed in claim 1, wherein: the adjustable upper limit (3) comprises a connecting seat (31), and an adjusting block (32) is installed on the connecting seat (31) through an adjusting screw (33).
3. The four-column double-cylinder hydraulic lifting platform as claimed in claim 1, wherein: the lateral hard support (6) comprises a hydraulic cylinder (61), a guide key (62), a sliding support shaft (63) and a cushion block (64), the hydraulic cylinder (61) is connected with the sliding support shaft (63), the guide key (62) is located on one side of the sliding support shaft (63), and the cushion block (64) is installed on the sliding support shaft (63).
4. The four-column double-cylinder hydraulic lifting platform as claimed in claim 1, wherein: the supporting platform (1) is of a section bar welding latticed structure, and the base frame (2) is of a section bar and plate welding structure.
5. The four-column double-cylinder hydraulic lifting platform as claimed in claim 1, wherein: the guide post (4) is formed by processing an integral solid bar.
6. The four-column double-cylinder hydraulic lifting platform as claimed in claim 1, wherein: the guide sleeve (5) is of a welded structure, and an oilless composite bearing is embedded in the middle of the guide sleeve.
7. The four-column double-cylinder hydraulic lifting platform as claimed in claim 1, wherein: the lateral hard support detection sensor (7) is a contact type travel switch.
8. The four-column double-cylinder hydraulic lifting platform as claimed in claim 1, wherein: the lifting hydraulic cylinder (8) is in a double-hydraulic cylinder form; the hydraulic synchronous sensor (9) is a stay wire type synchronous sensor.
9. The four-column double-cylinder hydraulic lifting platform as claimed in claim 1, wherein: the upper limit sensor (10) and the lower limit sensor (11) are both contact travel switches.
10. The four-column double-cylinder hydraulic lifting platform as claimed in claim 1, wherein: the upper buffer block (12) and the lower buffer block (13) are both elastic buffer blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022753829.2U CN214570374U (en) | 2020-11-25 | 2020-11-25 | Four-column double-cylinder hydraulic lifting platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022753829.2U CN214570374U (en) | 2020-11-25 | 2020-11-25 | Four-column double-cylinder hydraulic lifting platform |
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| Publication Number | Publication Date |
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| CN214570374U true CN214570374U (en) | 2021-11-02 |
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| CN202022753829.2U Active CN214570374U (en) | 2020-11-25 | 2020-11-25 | Four-column double-cylinder hydraulic lifting platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520622A (en) * | 2020-11-25 | 2021-03-19 | 浙江精功精密制造有限公司 | Four-column double-cylinder hydraulic lifting platform |
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2020
- 2020-11-25 CN CN202022753829.2U patent/CN214570374U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520622A (en) * | 2020-11-25 | 2021-03-19 | 浙江精功精密制造有限公司 | Four-column double-cylinder hydraulic lifting platform |
| CN112520622B (en) * | 2020-11-25 | 2024-01-12 | 浙江精功精密制造有限公司 | Four-column double-cylinder hydraulic lifting platform |
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Address after: 312000 no.2106 Jianhu Road, Huashe street, Keqiao District, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Jinggong New Energy Equipment Co.,Ltd. Address before: 312000 no.2106 Jianhu Road, Huashe street, Keqiao District, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG JINGGONG PRECISION MANUFACTURING Co.,Ltd. |