CN210313332U - Hydraulic lifting device - Google Patents
Hydraulic lifting device Download PDFInfo
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- CN210313332U CN210313332U CN201921041963.0U CN201921041963U CN210313332U CN 210313332 U CN210313332 U CN 210313332U CN 201921041963 U CN201921041963 U CN 201921041963U CN 210313332 U CN210313332 U CN 210313332U
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- bearing platform
- load
- strip
- lifting device
- hydraulic lifting
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Abstract
The utility model discloses a hydraulic lifting device, including base, load-bearing platform, elevating system, load-bearing platform is hollow structure, and load-bearing platform upper surface is seted up flutedly in turn, bar mouth, the recess internal rotation is equipped with the roller bearing, it keeps off the edge to have set firmly the passageway on the bar mouth, and the passageway keeps off and has set the piston piece in the edge, piston piece upper end is equipped with the braking strip, and piston piece lower extreme is equipped with the transmission strip, and the transmission strip lower extreme extends to in the load-bearing platform cavity and articulated even has the driving plate, bottom both sides are equipped with the drive hydraulic cylinder that links to each other with the driving plate lower surface is articulated in the load-bearing platform cavity, the utility model discloses elevating system lift stability is high, to load and unload, remove, fixed effectual of load-bearing platform goods, practicality, suitability.
Description
Technical Field
The utility model relates to a hydraulic means technical field, concretely relates to hydraulic lifting device.
Background
With the continuous development of the modern machine manufacturing industry and hydraulic technology, the requirements of social production on productivity are higher and higher, so that the hydraulic lifting platform with the advantages of compact structure, convenient operation, stable lifting and the like plays an extremely important role in the development of human society, industry and agriculture. The pedal type hydraulic lifting platform vehicle has small area like a workshop and a warehouse, and is urgently needed to save human resources, improve the places with high labor efficiency and reduced noise and pollution, and is suitable for transportation. The core principle of the pedal type hydraulic lifting platform truck is that a pedal type hydraulic cylinder is adopted to drive an X-shaped hinged support to lift, so that a heavy object on a platform is driven to lift or lower. The hydraulic cylinder realizes the extension and the shortening of a plunger of the hydraulic cylinder through the input and the output of hydraulic oil in the hydraulic cylinder, and raises and lowers the lifting mechanism. The hydraulic oil is input, namely the hydraulic oil is pressed into the cylinder, the hydraulic cylinder is filled with the hydraulic oil, the pressure is increased, the cavity in the hydraulic cylinder is increased, and the plunger of the hydraulic cylinder is extended; on the contrary, when the hydraulic oil is output, the hydraulic oil is released in the hydraulic cylinder, the pressure is reduced, the cavity in the hydraulic cylinder is reduced, and the hydraulic plunger is shortened.
At present, most of hydraulic lifting devices only consider the adjustment of height in the vertical direction, such as the adjustment of a stroke range, but do not have other functional functions, but obviously, the final purpose of the height change of the hydraulic lifting devices is the transfer operation of objects on a platform, and therefore, the convenience and the stability of the object carrying and unloading of the hydraulic lifting devices also need to be further improved and perfected.
Disclosure of Invention
The purpose of the invention is as follows: an object of the utility model is to prior art not enough, provide a hydraulic lifting device, lift stability is high, to loading and unloading, removal, the fixed effectual of goods on the load-bearing platform, practical, suitability are strong, and overall security is high.
The utility model provides a hydraulic lifting device, includes base, load-bearing platform, elevating system is including the scissors fork arm that is located the load-bearing platform both sides and the hydraulic cylinder that the drive scissors fork arm expanded and draw in, cuts the articulated continuous with the load-bearing platform lateral wall in fork arm upper end, and the lower extreme links to each other with the base lateral wall is articulated, load-bearing platform is hollow structure, and recess, bar mouth are seted up in turn to the load-bearing platform upper surface, the recess internal rotation is equipped with the roller bearing, it keeps off the edge to have set the passageway on the bar mouth, and the passageway keeps off and sets the piston piece in the edge, piston piece upper end is equipped with the braking strip, and piston piece lower extreme is equipped with the transmission strip, and the transmission strip lower extreme extends to and articulates in the load-bearing platform cavity and has the driving plate.
As a further improvement of the utility model: the passageway is kept off along being the hollow cuboid that upper and lower extreme is not sealed, and the piston piece keeps off along the inner wall with the passageway and closely laminates, the passageway keeps off along upper and lower open end inner wall and is equipped with the stopper that the restriction piston piece breaks away from.
As a further improvement of the utility model: the upper end of the brake strip extends to the outside of the blocking edge of the channel and is sleeved with a rubber pad.
As a further improvement of the utility model: the center of the bottom in the cavity of the bearing platform is provided with a strut plate, and the upper end of the strut plate is hinged with the lower surface of the transmission plate.
As a further improvement of the utility model: the guardrail comprises a bearing platform and is characterized in that rails are fixedly arranged at four corners of the upper surface of the bearing platform, a plurality of winding boxes are fixedly arranged on the rails, a protective belt is wound in each winding box through a clockwork spring, the free end of each protective belt is provided with an inserting strip, and the outer wall of each winding box is provided with a slot matched with the inserting strip.
As a further improvement of the utility model: the coiling box is provided with at least 1.
As a further improvement of the utility model: the front side and the rear side of the upper surface of the base are hinged with positioning rods, a plurality of positioning holes I are formed in the positioning rods in an array mode, a plurality of positioning holes II matched with the positioning holes I are formed in the scissor arm in an array mode, and positioning bolts are inserted into the positioning holes I and the positioning holes II in a matched mode.
Has the advantages that:
1. the utility model discloses hydraulic lifting device sets up the braking strip that is used for driven roller bearing and is used for braking on load-bearing platform, both cooperate and be suitable for, can effectively improve loading and unloading, removal, fixed etc. effect to the goods on load-bearing platform, when needing to carry out the transmission to the goods and shift, make the driving plate descend through regulating and controlling drive hydraulic cylinder, it can to drive the braking strip descend to be less than the roller bearing height, otherwise, when needing to brake the goods and fix, make the driving plate rise through regulating and controlling drive hydraulic cylinder, it can to drive the braking strip to rise to be higher than the roller bearing height; in addition, when the two driving hydraulic cylinders are different in telescopic state, the height of each brake bar can be gradually increased or decreased, namely, the goods on the bearing platform are in an inclined state, so that the goods loading and unloading are facilitated (the height of an inlet is adjusted to be slightly higher to avoid accidental sliding during loading, the height of an outlet is adjusted to be slightly lower to accelerate the unloading speed during unloading), and the hydraulic lifting device is practical and high in applicability.
2. The passageway keeps off and links firmly along middle part outer wall and bar mouthful limit, and the piston piece is kept off along interior activity from top to bottom in the passageway, sets up the stopper, is to avoid driving the too big piston piece accident that leads to of pneumatic cylinder telescopic stroke to break away from. For the purpose, the stroke of the piston rod of the driving hydraulic cylinder can be designed and selected to be matched with the height of the channel blocking edge, when the piston rod is completely contracted, the piston block is positioned at the bottom of the channel blocking edge, and the height of the upper end of the braking strip is lower than that of the upper end of the rolling shaft; when the piston rod is completely extended out, the piston block is positioned at the bottom of the channel blocking edge, and the height of the upper end of the brake bar is higher than that of the upper end of the rolling shaft.
3. Set up the rubber pad on the braking strip, improve braking frictional force on the one hand, on the other hand has certain protection buffering effect.
4. The middle part below the transmission plate is provided with the support plate, the transmission plate can rotate by taking the support plate as an axis, and meanwhile, the support plate provides support for the transmission plate, so that the stability of the transmission plate is improved.
5. Set up the railing around the load-bearing platform, during the use, pull out the protection band in the rolling box in proper order and peg graft on next railing, form closed rectangle rail, provide safety protection for goods on the platform etc..
6. The visual railing height of the figure of rolling box or specific demand design, the rolling box is more, and then protective belt density is big more, and the guard effect is better, is 2 in the picture.
7. The positioning rod and the scissor fork arm are correspondingly provided with a first positioning hole and a second positioning hole which are matched, when the scissor fork arm is driven by the hydraulic oil cylinder to lift to a certain height, the positioning rod can be rotated to a proper position, and at the moment, the first positioning hole and the second positioning hole are inserted through the positioning bolts, so that a certain fixing supporting force can be provided, and the pressure on the oil pressure of the hydraulic oil cylinder is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a longitudinal sectional view of the carrying platform of the present invention;
FIG. 3 is a top view of the supporting platform of the present invention;
in the figure: 1 base, 11 locating rods, 12 locating holes I, 2 bearing platforms, 21 rolling shafts, 22 channel blocking edges, 23 piston blocks, 24 brake strips, 25 transmission strips, 26 transmission plates, 27 driving hydraulic cylinders, 28 strut plates, 3 lifting mechanisms, 31 scissor arms, 32 hydraulic cylinders, 33 locating holes II, 4 railings, 41 coiling boxes and 42 protective belts.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined with the following description to clearly and completely describe the technical solution in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
A hydraulic lifting device is shown in figures 1 to 3 and comprises a base 1, a bearing platform 2 and a lifting mechanism 3, wherein the lifting mechanism 3 comprises scissor arms 31 located on two sides of the bearing platform 2 and a hydraulic oil cylinder 32 driving the scissor arms 31 to unfold and fold, the upper ends of the scissor arms 31 are hinged with the side wall of the bearing platform 2, and the lower ends of the scissor arms 31 are hinged with the side wall of the base 1.
The control switch of the hydraulic oil cylinder in the device is installed by adopting a conventional technical means and can be arranged on a railing of a bearing platform, or a remote control switch is adopted, and the specific line connection and the non-technical key points of the structure such as the oil tank, the control motor and the like are not detailed here and are realized according to the prior art. Similarly, the adopted driving hydraulic cylinder can be purchased and mounted on a market finished product, the type of the driving hydraulic cylinder meets the requirement of up-and-down driving movement of the transmission plate, and a specific control circuit can be connected with the hydraulic cylinder in a same control processor (such as a single chip microcomputer and the like) in a unified mode and then regulated and controlled by a corresponding control switch. The power supply can be directly powered by a power line connecting socket.
The bearing platform 2 is a hollow structure, the upper surface of the bearing platform 2 is alternately provided with a groove and a strip-shaped opening, the groove is not shown in the figure, the groove can be a semicircular cambered groove (containing a semicircular bottom cambered plate), the strip-shaped opening is a through opening, a rolling shaft 21 is rotatably arranged in the groove, two ends of the rolling shaft can be rotatably connected by arranging a bearing seat, a channel blocking edge 22 is fixedly arranged on the strip-shaped opening, the channel blocking edge 22 is a hollow cuboid with the upper end and the lower end not sealed, a piston block 23 is arranged in the channel blocking edge 22, the piston block 23 is tightly attached to the inner wall of the channel blocking edge 22, meanwhile, the inner wall of the upper opening end and the lower opening end of the channel blocking edge 22 is provided with a limiting block for limiting the separation of the piston block 23, the upper end of the piston block 23 is provided with a brake strip 24, the upper end of the brake strip is detachably sleeved with a rubber pad, two sides of the bottom in the cavity of the bearing platform 2 are provided with driving hydraulic cylinders 27 which are hinged with the lower surface of the transmission plate 26.
The bearing platform 2 is provided with a support plate 28 at the center of the bottom in the cavity, and the upper end of the support plate 28 is hinged with the lower surface of the transmission plate 26. The support column plate is favorable for improving the support stability of the transmission plate, and the distribution balance of the pressure of goods above the support column plate is good.
As a preferred embodiment of the present invention:
railing 4 has set firmly in 2 upper surface four corners departments of load-bearing platform, at least one coiling box 41 has set firmly on railing 4, be two in the picture, coiling box 41 is interior to be equipped with protecting band 42 through clockwork spring around, and protecting band 42 free end is equipped with the grafting strip, and the outer wall of coiling box 41 is equipped with the slot with the grafting strip adaptation.
The fence formed by the handrail and the protective belt is arranged on the bearing platform, so that the safety protection of people or objects on the bearing platform is facilitated. The specific protective belt and the guardrail can be installed by adopting the structure in the prior art, such as an isolation protective belt which can be installed and rolled temporarily.
As another preferred embodiment of the present invention:
the front side and the rear side of the upper surface of the base 1 are hinged with positioning rods 11, a plurality of positioning holes I12 are formed in the positioning rods 11 in an array mode, a plurality of positioning holes II 33 matched with the positioning holes I12 are formed in the scissor arms 31 in an array mode, and positioning bolts are inserted between the positioning holes I12 and the positioning holes II 33 in a matching mode.
The positioning rod and the scissor fork arm are correspondingly provided with a first positioning hole and a second positioning hole which are matched, when the scissor fork arm is driven by the hydraulic oil cylinder to lift to a certain height, the positioning rod can be rotated to a proper position, and at the moment, the first positioning hole and the second positioning hole are inserted through the positioning bolts, so that a certain fixing supporting force can be provided, and the pressure on the oil pressure of the hydraulic oil cylinder is reduced.
The utility model discloses hydraulic pressure elevating gear, lift stability is high, to loading and unloading, removal, the fixed effectual of goods on load-bearing platform, practicality, suitability are strong, and overall security is high.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a hydraulic lifting device, includes base, load-bearing platform, elevating system cuts the hydraulic cylinder that the fork arm expandes and draws in including the scissors fork arm that is located the load-bearing platform both sides and drive, cuts fork arm upper end and articulated continuous with the load-bearing platform lateral wall, and the lower extreme articulates continuous its characterized in that with the base lateral wall: the bearing platform is of a hollow structure, a groove and a strip-shaped opening are alternately formed in the upper surface of the bearing platform, a roller is arranged in the groove in a rotating mode, a channel blocking edge is fixedly arranged on the strip-shaped opening, a piston block is arranged in the channel blocking edge in a matched mode, a brake strip is arranged at the upper end of the piston block, a transmission strip is arranged at the lower end of the piston block, the lower end of the transmission strip extends into the cavity of the bearing platform and is hinged to a transmission plate, and driving hydraulic cylinders hinged to the lower surface of the transmission plate are arranged on two sides of the.
2. The hydraulic lifting device according to claim 1, characterized in that: the passageway is kept off along being the hollow cuboid that upper and lower extreme is not sealed, and the piston piece keeps off along the inner wall with the passageway and closely laminates, the passageway keeps off along upper and lower open end inner wall and is equipped with the stopper that the restriction piston piece breaks away from.
3. The hydraulic lifting device according to claim 1, characterized in that: the upper end of the brake strip extends to the outside of the channel blocking edge and is sleeved with a rubber pad.
4. The hydraulic lifting device according to claim 1, characterized in that: the bottom center in the bearing platform cavity is provided with a strut plate, and the upper end of the strut plate is hinged with the lower surface of the transmission plate.
5. The hydraulic lifting device according to any one of claims 1 to 4, characterized in that: the guardrail comprises a bearing platform and is characterized in that rails are fixedly arranged at four corners of the upper surface of the bearing platform, a plurality of winding boxes are fixedly arranged on the rails, a protective belt is wound in each winding box through a clockwork spring, the free end of each protective belt is provided with an inserting strip, and the outer wall of each winding box is provided with a slot matched with the inserting strip.
6. The hydraulic lifting device according to claim 5, characterized in that: the coiling box is provided with at least 1.
7. The hydraulic lifting device according to claim 5, characterized in that: the front side and the rear side of the upper surface of the base are hinged with positioning rods, a plurality of positioning holes I are formed in the positioning rods in an array mode, a plurality of positioning holes II matched with the positioning holes I are formed in the scissor arm in an array mode, and positioning bolts are inserted into the positioning holes I and the positioning holes II in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921041963.0U CN210313332U (en) | 2019-07-05 | 2019-07-05 | Hydraulic lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921041963.0U CN210313332U (en) | 2019-07-05 | 2019-07-05 | Hydraulic lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210313332U true CN210313332U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921041963.0U Active CN210313332U (en) | 2019-07-05 | 2019-07-05 | Hydraulic lifting device |
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| CN (1) | CN210313332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816301A (en) * | 2021-10-11 | 2021-12-21 | 广东电网有限责任公司广州供电局 | Equipment mounting auxiliary tool car |
-
2019
- 2019-07-05 CN CN201921041963.0U patent/CN210313332U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816301A (en) * | 2021-10-11 | 2021-12-21 | 广东电网有限责任公司广州供电局 | Equipment mounting auxiliary tool car |
| CN113816301B (en) * | 2021-10-11 | 2023-08-08 | 广东电网有限责任公司广州供电局 | Equipment puts on shelf appurtenance car |
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Address after: 225321 Baima Town Industrial Park, Taizhou City, Jiangsu Province Patentee after: Jiangsu Rongmei Hydraulic Equipment Manufacturing Co.,Ltd. Address before: 225300 Baima Town Industrial Park, Taizhou City, Jiangsu Province Patentee before: TAIZHOU RONGMEI HYDRAULIC MACHINERY MFG Co.,Ltd. |