CN210214691U - Hydraulic lifting platform with safety protection function - Google Patents
Hydraulic lifting platform with safety protection function Download PDFInfo
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- CN210214691U CN210214691U CN201920734342.4U CN201920734342U CN210214691U CN 210214691 U CN210214691 U CN 210214691U CN 201920734342 U CN201920734342 U CN 201920734342U CN 210214691 U CN210214691 U CN 210214691U
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- plate
- lifting platform
- safety protection
- hydraulic lifting
- lifting
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Abstract
The utility model belongs to the technical field of the hydraulic lifting platform and specifically relates to a take safety protection's hydraulic lifting platform is related to, including the lift flat board, the dull and stereotyped edge of lift is equipped with round curb plate down, the dull and stereotyped below of lift, press close to the curb plate inboard and be equipped with the round fly leaf, the dull and stereotyped lower fixed surface of lift has a plurality of micro-gap switches, and micro-gap switch includes the actuating lever, is equipped with the protrusion structure on the fly leaf, and the dull and stereotyped lower surface of lift is equipped with the separation blade, and the actuating lever is located the protrusion structure directly over. The utility model utilizes the characteristic that the lifting flat plate can rise to trigger the micro-gap switch without large reaction force when contacting with the human body, thereby achieving the effect of preventing the lifting flat plate from pressing and hurting people; the movable plate is connected with the tightened steel wire, so that the microswitch can be triggered when the non-edge of the lifting flat plate contacts a human body.
Description
Technical Field
The utility model belongs to the technical field of the hydraulic lifting platform and specifically relates to a take safety protection's hydraulic lifting platform is related to.
Background
The hydraulic lifting platform is a lifting device widely applied in various industries, is also one of main devices on artificial board production lines such as veneer boards, medium density fiberboard, shaving boards and the like, and is used for lifting board stacks. At present, production lines are arranged and are often arranged in pits, so that accidents easily occur when hydraulic lifting platforms in the production lines descend. The prior safety protection devices have modes such as a microswitch mode, an edge switch mode and the like. The microswitch type trigger mechanism is heavy and has poor sensitivity; the edge switch type is beautiful and elegant, and has the defects that accessories need to be imported and are expensive.
The invention patent with publication number CN102515067A discloses a safety protection device, which comprises a hydraulic lifting platform, wherein a steel wire rope is arranged at a distance from the bottom surface of the hydraulic lifting platform, when the hydraulic lifting platform descends, any point on the steel wire rope generates bending deformation when touching an obstacle or a human body, so that the other end of the steel wire rope generates displacement, at the moment, the bottom of a crank connected with the steel wire rope rotates around a rotating shaft, and the top of the crank reversely rotates to trigger a micro switch, so that the descending of the hydraulic lifting platform is emergently stopped, and the purpose of protecting personnel safety is achieved.
The sensitivity of the crank to trigger the microswitch is high only when the steel wire rope needs to be tightened, so that when the hydraulic lifting platform descends, if the tightened steel wire rope is pressed on a human body, the human body needs to have larger reaction force (equal to the pressure of the steel wire rope on the human body) on the steel wire rope to enable the tightened steel wire rope to be bent and deformed, and the pressure of the steel wire rope on the human body is enough to enable the soft tissue of the human body to be contused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take safety protection's hydraulic lifting platform, it has the effect that prevents to press when hydraulic lifting platform descends and hinder the people.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a take safety protection's hydraulic lifting platform, includes that the lift is dull and stereotyped, and the dull and stereotyped edge of lift is equipped with round curb plate down, the dull and stereotyped below of lift, press close to the curb plate inboard and be equipped with the round fly leaf, the dull and stereotyped lower fixed surface of lift has a plurality of micro-gap switches, and micro-gap switch includes the actuating lever, is equipped with protruding structure on the fly leaf, and the dull and stereotyped lower surface of lift is equipped with the separation blade, and the actuating lever is located protruding structure directly over, and.
Through adopting above-mentioned technical scheme, press the people when the lift flat board descends, the fly leaf is pressed on one's body, and the fly leaf receives human reaction force and upward movement promptly, and the protruding structure on the fly leaf pushes up the actuating lever and triggers micro-gap switch, and micro-gap switch feeds back the signal of telecommunication immediately to the pneumatic cylinder control mechanism that drives the lift flat board and go up and down, makes the lift flat board stop to descend to prevent that the lift flat board from pressing hurting people. When the movable plate is separated from a human body, the movable plate falls back under the action of gravity until the protruding structure on the movable plate is blocked by the blocking piece, at the moment, the movable plate is located at the lowest position, the micro switch is in an un-triggered state, and the lifting flat plate can continuously descend.
Preferably, the movable plate comprises a plurality of straight plates, the straight plates are arranged at each straight edge of the lifting flat plate, and adjacent straight plates are connected through an angle bracket.
Through adopting above-mentioned technical scheme, made things convenient for the installation of fly leaf, also can guarantee that the edge of the dull and stereotyped edge each department of going up and down all can trigger micro-gap switch when pressing the people.
Preferably, the baffle plate is positioned at the joint of two adjacent straight plates.
Through adopting above-mentioned technical scheme, two blocks of straight boards can be blocked to a separation blade, and the quantity of reducible separation blade improves production efficiency.
Preferably, the protruding structure includes a horizontal plate, the horizontal plate is fixed to the inner side of the movable plate, and the horizontal plate is arranged along the length direction of the movable plate.
Through adopting above-mentioned technical scheme, utilize the horizontal plate as protruding structure, locate the micro-gap switch in the optional position department of fly leaf length direction, the horizontal plate all can contact with the actuating lever and trigger micro-gap switch.
Preferably, the lower surface of the lifting flat plate is fixed with a vertical rod, the blocking piece is arranged on the vertical rod, and the movable plate is located between the blocking piece and the side plate.
By adopting the technical scheme, the blocking piece can be positioned at the designated height by utilizing the vertical rod.
Preferably, the bottom of the vertical rod is in threaded connection with a vertical screw, the blocking piece is provided with a through hole, the screw penetrates through the through hole, and the size of a nut of the screw is larger than that of the through hole.
Through adopting above-mentioned technical scheme, through the nut height of rotatory screw adjusting screw, can realize the altitude mixture control to the separation blade.
Preferably, the movable plate is connected with a tightened steel wire, and two ends of the steel wire are respectively connected to different straight plates.
Through adopting above-mentioned technical scheme, the steel wire also can trigger micro-gap switch when making the non-edge contact human body of lift flat board.
Preferably, each straight plate is provided with a plurality of threaded holes, lifting bolts are screwed in the threaded holes, and steel wires are connected to the lifting bolts.
Through adopting above-mentioned technical scheme, made things convenient for a plurality of positions of connecting steel wire tip on the straight board.
To sum up, the utility model discloses a beneficial technological effect does:
1. the characteristic that the micro switch can be triggered by lifting without large reaction force when the lifting flat plate is contacted with a human body is utilized, so that the effect of preventing the lifting flat plate from pressing the human body is achieved;
2. the movable plate is connected with the tightened steel wire, so that the microswitch can be triggered when the non-edge of the lifting flat plate contacts a human body.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a safety hydraulic lifting platform;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is an enlarged view of the portion C in fig. 1.
In the figure, 1, a lifting flat plate; 2. a side plate; 3. a movable plate; 31. a straight plate; 31a, a threaded hole; 4. a horizontal plate; 5. a microswitch; 51. a drive rod; 6. a baffle plate; 7. corner connectors; 8. a vertical rod; 9. a screw; 10. a steel wire; 11. an eye bolt; 12. shearing a fork; 13. a chassis; 14. and a hydraulic cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): fig. 1 is the utility model discloses a take safety protection's hydraulic lifting platform, including lift flat board 1, 1 edge integrated into one piece of lift flat board has round curb plate 2, and 2 perpendicular to lift flat board 1 of curb plate are down. A circle of movable plate 3 is arranged on the inner side (the side facing the center of the lifting flat plate 1) of the side plate 2 in a close manner, and the movable plate 3 is positioned below the lifting flat plate 1.
As shown in FIG. 2, the movable plate 3 is composed of a plurality of straight plates 31 connected end to end, and two adjacent straight plates 31 are connected through an angle brace 7. The lifting flat plate 1 is rectangular, the edges of the rectangle are formed by connecting four straight edges, the straight plate 31 is arranged at each straight edge of the lifting flat plate 1, and the length of each straight plate 31 corresponds to the length of the corresponding straight edge.
As shown in fig. 3, four micro switches 5 are fixed on the lower surface of the lifting plate 1, and one micro switch 5 is fixed beside each straight edge of the lifting plate 1. The microswitch 5 is provided with a driving rod 51, and the microswitch 5 can be triggered by pushing the driving rod 51.
As shown in fig. 1, a scissor fork 12 is connected to the lower surface of the lifting plate 1, a base 13 is connected to the bottom of the scissor fork 12, a hydraulic cylinder 14 is arranged on the scissor fork 12, the hydraulic cylinder 14 is used for driving the scissor fork 12 to fold or unfold, the lifting plate 1 descends when the scissor fork 12 is folded, and the lifting plate 1 ascends when the scissor fork 12 is unfolded. The control mechanism of the hydraulic cylinder 14 is connected with the microswitch 5 through a cable, and when the microswitch 5 is triggered, an electric signal is sent through the cable to control the piston rod of the hydraulic cylinder 14 to stop contracting.
As shown in fig. 2, a horizontal plate 4 is integrally formed at the top of the inner side of the movable plate 3, the horizontal plate 4 is perpendicular to the inner side of the movable plate 3, and the horizontal plate 4 is disposed along the length direction of the straight plate 31.
As shown in fig. 3, the drive lever 51 of the microswitch 5 is positioned directly above the horizontal plate 4.
As shown in fig. 4, a plurality of vertical rods 8 are vertically fixed on the lower surface of the lifting plate 1, and one vertical rod 8 is fixed at each of the four corners of the lifting plate 1. The bottom of the vertical rod 8 is screwed with a vertical screw 9, and a round baffle 6 is arranged on the vertical rod 8 in a penetrating way. A through hole is formed in the center of the baffle plate 6, the screw 9 penetrates through the through hole, the nut of the screw 9 is located below the baffle plate 6, and the size of the nut of the screw 9 is larger than that of the through hole. The baffle 6 is positioned under the horizontal plate 4, the baffle 6 is positioned at the joint of two adjacent straight plates 31, and the straight plates 31 are positioned between the baffle 6 and the side plate 2.
Referring to fig. 1 and 3, the lower surface of each straight plate 31 is provided with a plurality of threaded holes 31a along the length direction thereof, eye bolts 11 are threaded in the threaded holes 31a, and a tensioned steel wire 10 is connected between the eye bolt 11 on one straight plate 31 and the eye bolt 11 on the other straight plate 31. Even if the human body does not contact with the movable plate 3 at the edge of the lifting plate 1, the lifting plate 1 will rise and trigger the micro switch 5 when the human body touches the steel wire 10.
The implementation principle of the embodiment is as follows: when the lifting flat plate 1 descends, the lifting flat plate 1 presses a person, the movable plate 3 presses the person, the movable plate 3 immediately moves upwards under the reaction force of the person until the horizontal plate 4 on the movable plate 3 pushes the driving rod 51 to trigger the microswitch 5, and the microswitch 5 immediately feeds back an electric signal to the control mechanism of the hydraulic cylinder 14 driving the lifting flat plate 1 to ascend and descend, so that the lifting flat plate 1 stops descending, and the lifting flat plate 1 is prevented from pressing the person. When the movable plate 3 is separated from the human body, the movable plate 3 falls back under the action of gravity until the protruding structure on the movable plate 3 is blocked by the blocking piece 6, at this time, the movable plate 3 is located at the lowest position, and the micro switch 5 is in an unfired state, so that the lifting flat plate 1 can continuously descend.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a take safety protection's hydraulic lifting platform, includes lift flat board (1), the edge of lift flat board (1) is equipped with round curb plate (2) down, its characterized in that: the utility model discloses a dull and stereotyped lifting device, including lifting plate (1), curb plate (2), lower fixed surface, the lower surface of lifting plate (1) is equipped with a plurality of micro-gap switches (5), and micro-gap switch (5) are equipped with protruding structure including actuating lever (51) on attaching close to curb plate (2) inboard, and lifting plate's (1) lower fixed surface is equipped with separation blade (6), and actuating lever (51) are located protruding structure directly over, and separation blade (6) are located protruding structure directly under.
2. The hydraulic lifting platform with safety protection as claimed in claim 1, characterized in that: the movable plate (3) comprises a plurality of straight plates (31), the straight plates (31) are arranged at each straight edge of the lifting flat plate (1), and adjacent straight plates (31) are connected through corner connectors (7).
3. The hydraulic lifting platform with safety protection as claimed in claim 2, characterized in that: the baffle plate (6) is positioned at the joint of two adjacent straight plates (31).
4. The hydraulic lifting platform with safety protection as claimed in claim 1, characterized in that: the protruding structure comprises a horizontal plate (4), the horizontal plate (4) is fixed on the inner side of the movable plate (3), and the horizontal plate (4) is arranged along the length direction of the movable plate (3).
5. The hydraulic lifting platform with safety protection as claimed in claim 1, characterized in that: the lower surface of the lifting flat plate (1) is fixed with a vertical rod (8), the blocking piece (6) is arranged on the vertical rod (8), and the movable plate (3) is located between the blocking piece (6) and the side plate (2).
6. The hydraulic lifting platform with safety protection as claimed in claim 5, wherein: the bottom of the vertical rod (8) is connected with a vertical screw (9) in a threaded mode, a through hole is formed in the blocking piece (6), the screw (9) penetrates through the through hole, and the size of a nut of the screw (9) is larger than that of the through hole.
7. The hydraulic lifting platform with safety protection as claimed in claim 2, characterized in that: the movable plate (3) is connected with a tightened steel wire (10), and two ends of the steel wire (10) are respectively connected to different straight plates (31).
8. The hydraulic lifting platform with safety protection as claimed in claim 7, wherein: each straight plate (31) is provided with a plurality of threaded holes (31 a), lifting bolts (11) are screwed in the threaded holes (31 a), and the steel wires (10) are connected to the lifting bolts (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920734342.4U CN210214691U (en) | 2019-05-21 | 2019-05-21 | Hydraulic lifting platform with safety protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920734342.4U CN210214691U (en) | 2019-05-21 | 2019-05-21 | Hydraulic lifting platform with safety protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210214691U true CN210214691U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920734342.4U Expired - Fee Related CN210214691U (en) | 2019-05-21 | 2019-05-21 | Hydraulic lifting platform with safety protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210214691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661784A (en) * | 2020-06-04 | 2020-09-15 | 江苏历漠智能装备有限公司 | Fixed roller elevator |
-
2019
- 2019-05-21 CN CN201920734342.4U patent/CN210214691U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661784A (en) * | 2020-06-04 | 2020-09-15 | 江苏历漠智能装备有限公司 | Fixed roller elevator |
| CN111661784B (en) * | 2020-06-04 | 2021-12-07 | 江苏历漠智能装备有限公司 | Fixed roller elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 Termination date: 20200521 |