CN212317436U - Elevating gear is used in engineering construction - Google Patents
Elevating gear is used in engineering construction Download PDFInfo
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- CN212317436U CN212317436U CN202020497666.3U CN202020497666U CN212317436U CN 212317436 U CN212317436 U CN 212317436U CN 202020497666 U CN202020497666 U CN 202020497666U CN 212317436 U CN212317436 U CN 212317436U
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Abstract
The utility model discloses a elevating gear for engineering construction aims at solving the staff and can produce the focus unstability and lead to taking place the dangerous problem of unnecessary on the lift work platform during operation. The key points of the technical scheme are as follows: the utility model provides a lifting device for engineering construction, including supporting the base and setting up the support frame on supporting the base perpendicularly, the support frame includes first support frame and with first support frame sliding connection's second support frame, it is connected with first eccentric gear and second eccentric gear to rotate respectively on first support frame and the second support frame, first eccentric gear meshes with the second eccentric gear mutually, first eccentric gear and second eccentric gear are symmetrical respectively in the both ends of first eccentric gear and second eccentric gear, the rotation direction of first eccentric gear and second eccentric gear is opposite. The utility model discloses a lifting device for engineering construction can carry out the lifting to work platform well.
Description
Technical Field
The utility model relates to a construction technical field, more specifically say, it relates to a elevating gear for engineering construction.
Background
When the building engineering is under construction, often need use the elevating platform, its wide operation platform and higher bearing capacity, and be fit for many people simultaneous operation, make high altitude construction efficiency better, it is safer, especially in the interior decoration operation field, it is more to use, but current elevating gear's for the building engineering construction lift process mostly adopts the mode that hydraulic pressure supported the crane to carry out the lift operation, the stationarity of lift process is relatively poor, there is certain potential safety hazard, and simultaneously, current elevating gear can not real-time measurement lift workstation and the distance on ground, it is impracticable convenient.
To the above-mentioned problem, chinese patent with publication number CN209742336U discloses a elevating gear for building engineering construction, including supporting base, elevating platform, servo motor and laser range finder, support base below four corners department and be provided with the universal wheel, universal wheel one side is provided with telescopic support leg, supports base top one side and is provided with the toolbox, is provided with the drawer on the toolbox lateral wall.
Above-mentioned scheme reciprocates through servo unit control elevating platform, can ensure elevating platform lift process's stationarity, promotes the factor of safety of this device, through setting up laser range finder, can be real-time measure the height of supporting the base in the elevating platform, through the processing back of PLC controller, convert into elevating platform height from ground, then show through the PLC controller, make things convenient for the staff on the elevating platform to carry out real-time looking over. The lifting device of above-mentioned scheme only has the strengthening rib on the elevating platform of one side at that time, and the opposite side is equipped with the guardrail though, but when the staff stands in the one end that does not have the strengthening rib and need adjust PLC control system this moment, PLC control system is far away with the one end elevating platform distance that has the strengthening rib for the staff can fall to one side of elevating platform because of the support on the elevating platform is uneven leads to the focus unstability, thereby can produce unnecessary potential safety hazard when making the staff stand on the elevating platform.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a elevating gear is used in engineering construction, the second support frame can slide in first support frame under first eccentric gear and the rotation of second eccentric gear, and can drive work platform's lift very steadily, and the second support frame has all been welded to work platform's both sides, can increase the stability of work platform lifting.
The above technical purpose of the present invention can be achieved by the following technical solutions: a lifting device for engineering construction comprises a supporting base and a supporting frame vertically arranged on the supporting base, wherein the supporting frame comprises a first supporting frame and a second supporting frame connected with the first supporting frame in a sliding manner, the first supporting frame and the second supporting frame are respectively connected with a first eccentric gear and a second eccentric gear in a rotating manner, the first eccentric gear is meshed with the second eccentric gear, two ends of the first eccentric gear and the second eccentric gear are respectively and symmetrically provided with a first eccentric wheel and a second eccentric wheel, the rotating directions of the first eccentric gear and the second eccentric gear are opposite, a first rotating shaft is fixedly connected between the first eccentric gear and the two first eccentric wheels, a second rotating shaft is fixedly connected between the second eccentric gear and the two second eccentric wheels, and a first through hole for the first rotating shaft to extend out is arranged on the first supporting frame, the second support frame is provided with a second through hole for the second rotating shaft to extend out, the first rotating shaft extends out of the rotating disc fixedly connected with one end of the first through hole, and the second support frame is far away from the working platform fixedly connected with one end of the first support frame.
By adopting the technical scheme, when a worker stands on the working platform to work and the working platform needs to be lifted, another worker can drive the rotating disc to enable the rotating disc to start rotating, so that the first rotating shaft fixedly connected with the rotating disc rotates in the first through hole formed in the first supporting frame, the first eccentric gear fixedly connected with the first rotating shaft and the two first eccentric wheels start rotating, the first rotating shaft is not fixed on the centers of the first eccentric gear and the two first eccentric wheels, the second rotating shaft is not fixed on the centers of the second eccentric gear and the two second eccentric wheels, when the first eccentric gear rotates, one end, far away from the first rotating shaft, of the first eccentric gear can push the second eccentric gear on the second supporting frame to move upwards, and one end, far away from the second rotating shaft, of the second eccentric gear can be meshed with the first eccentric gear, meanwhile, the two first eccentric wheels and the two second eccentric wheels rotate oppositely, the second support frame can slide on the first support frame and move upwards simultaneously in the process, so that the working platform can be driven to lift upwards, the first eccentric gear and the second eccentric gear are always meshed with each other and rotate oppositely in the rotating process of the rotating disc, when the first eccentric gear and the second eccentric gear are respectively meshed with one ends far away from the first rotating shaft and the second rotating shaft, the second support frame can move upwards, when the first eccentric gear and the second eccentric gear are respectively meshed with one ends near the first rotating shaft and the second rotating shaft, the second support frame can restore to the initial position, and the first support frame and the second support frame are symmetrically arranged on the support base, so that the stability of the second support frame for lifting the working platform can be increased, and the working platform can be kept stable all the time in the lifting process, and the condition that the gravity center of the working platform is unstable can not be generated, so that the lifting efficiency of the working platform can be realized.
The utility model discloses further set up to: the rotating disc is hinged with a fixing plate, and the height of the fixing plate is larger than that of the first support frame.
Through adopting above-mentioned technical scheme, thereby the staff can drive the rotation that articulates the fixed plate drive the rolling disc on the rolling disc, and when the rolling disc no longer rotated, the fixed plate can be turned over from the rolling disc and turned over and get off and inconsistent with ground to prevent the rotation of rolling disc proper motion.
The utility model discloses further set up to: the outer side of the rotating disc is sleeved with an anti-skidding sleeve, one end, far away from the rotating disc, of the fixing plate is fixedly connected with an anti-skidding seat, and one end, far away from the fixing plate, of the anti-skidding seat is provided with a plurality of anti-skidding teeth.
Through adopting above-mentioned technical scheme, the increase of antiskid cover can increase the frictional force between staff's hand and the rolling disc, prevent that the staff from droing from the hand when rotating the rolling disc in the fixed plate, when the fixed plate is inconsistent with ground, antiskid seat on the fixed plate can contact and can increase the frictional force between fixed plate and the ground with ground, and a plurality of outstanding antiskid teeth on the fixed plate can further increase the frictional force between antiskid seat and the ground, thereby make the fixed plate contact with ground very steadily, prevent the proper motion rotation of rolling disc.
The utility model discloses further set up to: the rotating disc is provided with a motor used for driving the first rotating shaft to rotate, and the motor is a servo motor.
Through adopting above-mentioned technical scheme, the slew velocity and the rotation accuracy of first pivot can be controlled well to servo motor to can guarantee the rotation efficiency of first pivot, thereby can carry out the lifting to the second support frame steadily.
The utility model discloses further set up to: the first support frame is provided with a sliding groove for the second support frame to slide, the two ends of the second support frame are fixedly connected with sliding blocks, and two side walls of the sliding groove are provided with sliding grooves for the sliding blocks to slide.
Through adopting above-mentioned technical scheme, when the second support frame rebound, the second support frame can slide in the spout of seting up on first support frame, and the slider at second support frame both ends can slide in the sliding tray of seting up on the spout both sides wall simultaneously to make the second support frame more stable with sliding, the second support frame can carry out the lifting to work platform steadily simultaneously.
The utility model discloses further set up to: one side of the sliding block close to the inner wall of the sliding groove is rotatably connected with a plurality of balls.
Through adopting above-mentioned technical scheme, the slip efficiency of slider can further be increased in the increase of a plurality of balls to can increase the slip efficiency of second support frame in first support frame.
The utility model discloses further set up to: two all be provided with annular arch on the periphery wall of first eccentric wheel, two all seted up the confession on the periphery wall of second eccentric wheel annular protruding gliding annular slide rail.
Through adopting above-mentioned technical scheme, when two first eccentric wheels rotated, the annular on two first eccentric wheel periphery walls was protruding can slide in the annular slide rail of seting up on two second eccentric wheel periphery walls to it is more stable when making two first eccentric wheels and two second eccentric wheels rotate in opposite directions, thereby can stabilize and carry out the lifting to the second support frame.
The utility model discloses further set up to: the working platform is vertically fixed with a guardrail, and the guardrail is provided with a plurality of light reflecting strips.
Through adopting above-mentioned technical scheme, the guardrail of vertical welding on work platform can play certain guard action to the staff of standing on work platform well, and a plurality of reflective strip that the guardrail outside set up make the effect that reflective strip can play the warning even if the staff is under the dark condition of light during operation.
To sum up, the utility model discloses following beneficial effect has:
firstly, when an operator stands on a working platform to work and the working platform needs to be lifted, another operator can drive the rotating disc to enable the rotating disc to start rotating, so that the first rotating shaft rotates in a first through hole formed in a first supporting frame, meanwhile, the first eccentric gear and two first eccentric wheels start rotating, one end of the first eccentric gear, far away from the first rotating shaft, can push a second eccentric gear on a second supporting frame to move upwards, one end of the second eccentric gear, far away from the second rotating shaft, can be meshed with the first eccentric gear, meanwhile, the two first eccentric wheels and the two second eccentric wheels rotate in opposite directions, in the process, the second supporting frame can slide on the first supporting frame and can move upwards at the same time, so that the working platform can be driven to lift upwards, and the first supporting frame and the second supporting frame are symmetrically arranged on a supporting base, so that the stability of the second supporting frame for lifting the working platform can be increased, the working platform is always kept stable in the lifting process, and the condition that the gravity center of the working platform is unstable is not generated, so that the lifting efficiency of the working platform can be realized.
Drawings
FIG. 1 is a perspective view of the present invention, which is mainly used to show the structure of the supporting base and the working platform;
FIG. 2 is an enlarged view of part A of FIG. 1, which is mainly used to show the structure of the sliding slot and the sliding chute;
fig. 3 is a perspective view of the first eccentric wheel and the second eccentric wheel of the present invention, which is mainly used for showing the structure of the first eccentric wheel and the second eccentric wheel.
In the figure: 1. a support base; 2. a first support frame; 3. a second support frame; 4. a working platform; 5. a guardrail; 6. a light-reflecting strip; 7. a first rotating shaft; 8. a second rotating shaft; 9. rotating the disc; 10. a fixing plate; 11. a first eccentric gear; 12. a second eccentric gear; 13. a first eccentric wheel; 14. a second eccentric wheel; 15. an annular projection; 16. an annular slide rail; 17. a chute; 18. a sliding groove.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "set/connected", "connected", and the like are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in detail with reference to the accompanying drawings and examples.
A lifting device for engineering construction is disclosed, as shown in figures 1-3, comprising a supporting base 1 and a supporting frame vertically welded on the supporting base 1, wherein the supporting frame comprises a first supporting frame 2 and a second supporting frame 3 connected with the first supporting frame 2 in a sliding manner, a sliding chute 17 for the second supporting frame 3 to slide is arranged on the first supporting frame 2, sliding blocks are welded at two ends of the second supporting frame 3, sliding chutes 18 for the sliding blocks to slide are arranged on two side walls of the sliding chute 17, a plurality of balls are rotatably connected at one side of the sliding blocks close to the inner wall of the sliding chute 18, a first eccentric gear 11 and a second eccentric gear 12 are respectively rotatably connected on the first supporting frame 2 and the second supporting frame 3, the first eccentric gear 11 is engaged with the second eccentric gear 12, the rotating directions of the first eccentric gear 11 and the second eccentric gear 12 are opposite, a first eccentric gear 13 and a second eccentric gear 14 are respectively and symmetrically arranged at two ends of the first eccentric gear 11 and the second eccentric gear 12, the outer peripheral walls of the two first eccentric wheels 13 are respectively provided with an annular bulge 15, the outer peripheral walls of the two second eccentric wheels 14 are respectively provided with an annular slide rail 16 for the sliding of the annular bulge 15, a first rotating shaft 7 is welded between the first eccentric gear 11 and the two first eccentric wheels 13, a second rotating shaft 8 is welded between the second eccentric gear 12 and the two second eccentric wheels 14, a first through hole for the extension of the first rotating shaft 7 is formed in the first supporting frame 2, a second through hole for the extension of the second rotating shaft 8 is formed in the second supporting frame 3, a rotating disc 9 is welded at one end of the first rotating shaft 7, which extends out of the first through hole, an anti-slip sleeve is sleeved outside the rotating disc 9, one end of the rotating disc 9, which is far away from the first rotating shaft 7, is hinged with a fixing plate 10 with a height larger than that of the first supporting frame 2, an anti-slip seat is welded on the fixing plate 10, a plurality of anti-slip teeth protrude out of the anti-, this motor is servo motor, and the welding of the one end that first support frame 2 was kept away from to second support frame 3 has work platform 4, and has welded guardrail 5 perpendicularly on work platform 4, has bonded a plurality of reflection of light strips 6 on guardrail 5.
The working principle is as follows: when a worker stands on the working platform 4 to work, the guardrail 5 vertically welded on the working platform 4 can well protect the worker standing on the working platform 4, the plurality of light reflecting strips 6 on the outer side of the guardrail 5 can play a certain warning role, when the working platform 4 needs to be lifted, another worker rotates the rotating disc 9 to enable the first rotating shaft 7 to rotate in the first through hole formed in the first supporting frame 2, meanwhile, the first eccentric gear 11 and the two first eccentric wheels 13 start to rotate, the first rotating shaft 7 is not fixed on the centers of the first eccentric gear 11 and the two first eccentric wheels 13, the second rotating shaft 8 is not fixed on the centers of the second eccentric gear 12 and the two second eccentric wheels 14, and when the first eccentric gear 11 rotates, one end, far away from the first rotating shaft 7, of the first eccentric gear 11 can push the second eccentric gear 12 to move upwards, the first eccentric gear 11 can be engaged with the second eccentric gear 12 to make the second eccentric gear 12 start to rotate, the second rotating shaft 8 rotates in a second through hole formed on the second supporting frame 3, simultaneously the two first eccentric wheels 13 and the two second eccentric wheels 14 rotate oppositely, the annular protrusions 15 on the peripheral walls of the two first eccentric wheels 13 can slide in the annular slide rails 16 formed on the peripheral walls of the two second eccentric wheels 14, so that the two first eccentric wheels 13 and the two second eccentric wheels 14 rotate oppositely, in the process, the second supporting frame 3 can slide in the slide grooves 17 formed on the first supporting frame 2 and the second supporting frame 3 can move upwards, the sliding blocks at the two ends of the second supporting frame 3 can slide in the slide grooves 18 formed on the two side walls of the slide grooves 17, so that the second supporting frame 3 can slide more stably, and the second supporting frame 3 can drive the working platform 4 to lift more stably, simultaneously the second support frame 3 can be steadily lifted work platform 4, and the increase of a plurality of balls can further increase the slip efficiency of slider to can drive the ascending lifting of work platform 4 high-efficiently.
When the first eccentric gear 11 and the second eccentric gear 12 are meshed with each other and rotate in opposite directions all the time in the rotating process of the rotating disc 9, when the ends, far away from the first rotating shaft 7 and the second rotating shaft 8, of the first eccentric gear 11 and the second eccentric gear 12 are meshed with each other respectively, the second supporting frame 3 can move upwards, when the ends, close to the first rotating shaft 7 and the second rotating shaft 8, of the first eccentric gear 11 and the second eccentric gear 12 are meshed with each other respectively, the second supporting frame 3 can restore to the initial position, so that the lifting of the second supporting frame 3 to the working platform 4 is facilitated, the first supporting frame 2 is symmetrically welded on the supporting base 1, the second supporting frame 3 slides in the sliding groove 17 on the first supporting frame 2, the second supporting frame 3 plays a certain supporting role for the working platform 4, the stability of the second supporting frame 3 for lifting the working platform 4 can be increased, and the gravity center situation of the working platform 4 cannot be generated when a worker stands on the working platform 4, thereby enabling the lifting efficiency of the work platform 4.
And the worker can drive the fixed plate 10 hinged on the rotating disc 9 to drive the rotating disc 9 to start rotating, the increase of the anti-slip sleeve can increase the friction force between the hand of the worker and the rotating disc 9, the fixed plate 10 is prevented from falling off from the hand when the worker rotates the rotating disc 9, when the rotating disc 9 does not rotate any more, the fixed plate 10 can be turned over from the rotating disc 9 and is abutted against the ground, when the fixed plate 10 is abutted against the ground, the anti-slip seat on the fixed plate 10 is contacted with the ground and can increase the friction force between the fixed plate 10 and the ground, and the anti-slip teeth protruding on the fixed plate 10 can further increase the friction force between the anti-slip seat and the ground, further prevent the rotating disc 9 from rotating by itself, and the worker can directly drive the motor to enable the first rotating shaft 7 connected with the output shaft of the motor to start rotating, the motor is a servo motor, and the servo motor can control the rotating speed and the rotating precision of the first rotating shaft 7 well, so that the rotating efficiency of the first rotating shaft 7 can be ensured, and the second supporting frame 3 can be lifted stably.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a elevating gear for engineering construction, is in including supporting base (1) and perpendicular setting support frame on supporting base (1), its characterized in that: the supporting frame comprises a first supporting frame (2) and a second supporting frame (3) which is in sliding connection with the first supporting frame (2), the first supporting frame (2) and the second supporting frame (3) are respectively connected with a first eccentric gear (11) and a second eccentric gear (12) in a rotating mode, the first eccentric gear (11) is meshed with the second eccentric gear (12), two ends of the first eccentric gear (11) and the second eccentric gear (12) are respectively and symmetrically provided with a first eccentric wheel (13) and a second eccentric wheel (14), the rotating directions of the first eccentric gear (11) and the second eccentric gear (12) are opposite, a first rotating shaft (7) is fixedly connected between the first eccentric gear (11) and the two first eccentric wheels (13), and a second rotating shaft (8) is fixedly connected between the second eccentric wheel (12) and the two second eccentric wheels (14), be provided with the confession on first support frame (2) the first through-hole that first pivot (7) stretched out, be provided with the confession on second support frame (3) the second through-hole that second pivot (8) stretched out, first pivot (7) stretch out the one end fixedly connected with rolling disc (9) of first through-hole, second support frame (3) are kept away from the one end fixedly connected with work platform (4) of first support frame (2).
2. The lifting device for engineering construction according to claim 1, characterized in that: a fixing plate (10) is hinged to the rotating disc (9), and the height of the fixing plate (10) is larger than that of the first support frame (2).
3. The lifting device for engineering construction according to claim 2, characterized in that: the anti-skidding type anti-skidding safety belt is characterized in that an anti-skidding sleeve is sleeved on the outer side of the rotating disc (9), an anti-skidding seat is fixedly connected to one end, far away from the rotating disc (9), of the fixing plate (10), and a plurality of anti-skidding teeth are arranged at one end, far away from the fixing plate (10), of the anti-skidding seat.
4. The lifting device for engineering construction according to claim 1, characterized in that: the rotating disc (9) is provided with a motor used for driving the first rotating shaft (7) to rotate, and the motor is a servo motor.
5. The lifting device for engineering construction according to claim 1, characterized in that: the sliding device is characterized in that a sliding groove (17) for the second support frame (3) to slide is formed in the first support frame (2), sliding blocks are fixedly connected to two ends of the second support frame (3), and sliding grooves (18) for the sliding blocks to slide are formed in two side walls of the sliding groove (17).
6. The lifting device for engineering construction according to claim 5, wherein: one side of the sliding block, which is close to the inner wall of the sliding groove (18), is rotatably connected with a plurality of balls.
7. The lifting device for engineering construction according to claim 1, characterized in that: the outer peripheral wall of the first eccentric wheel (13) is provided with an annular bulge (15), and the outer peripheral wall of the second eccentric wheel (14) is provided with an annular slide rail (16) for the annular bulge (15) to slide.
8. The lifting device for engineering construction according to claim 1, characterized in that: the working platform (4) is vertically fixed with a guardrail (5), and the guardrail (5) is provided with a plurality of light reflecting strips (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020497666.3U CN212317436U (en) | 2020-04-08 | 2020-04-08 | Elevating gear is used in engineering construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020497666.3U CN212317436U (en) | 2020-04-08 | 2020-04-08 | Elevating gear is used in engineering construction |
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| CN212317436U true CN212317436U (en) | 2021-01-08 |
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| CN202020497666.3U Active CN212317436U (en) | 2020-04-08 | 2020-04-08 | Elevating gear is used in engineering construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113240963A (en) * | 2021-04-28 | 2021-08-10 | 湖南铁路科技职业技术学院 | Mechanical design manufacturing and automatic practical training numerical control programming operation table |
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2020
- 2020-04-08 CN CN202020497666.3U patent/CN212317436U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113240963A (en) * | 2021-04-28 | 2021-08-10 | 湖南铁路科技职业技术学院 | Mechanical design manufacturing and automatic practical training numerical control programming operation table |
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