CN214365222U - Foundation-pit-free lifting platform - Google Patents

Abstract

The utility model discloses a foundation-pit-free lifting platform, which comprises a platform surface and a lifting mechanism for driving the platform surface to lift, wherein the lifting mechanism comprises a plurality of rigid chain jacking mechanisms which are arranged below the platform surface and arranged along the central circumference array of the platform surface, each rigid chain jacking mechanism comprises a supporting bottom plate, a driving motor is arranged on the supporting bottom plate, a rigid chain is arranged on the driving motor, one end of the rigid chain is in winding connection with the driving motor, the other end of the rigid chain is connected with the platform surface, the lifting platform further comprises a guide mechanism for guiding the platform surface to lift up and down and a limiting mechanism for preventing the platform surface from accidentally falling, the application of the lifting platform can be solved for people to the greatest extent, and the performance effect is enriched; meanwhile, the lifting of a transmission hydraulic cylinder is abandoned, so that the occupied area is small, and the maintenance is easy; in addition, the lifting device is further provided with a guide mechanism and a limiting mechanism, so that the lifting stability is further improved, and the use safety of the lifting platform is guaranteed.

Description

Foundation-pit-free lifting platform

Technical Field

The utility model relates to an elevating platform technical field especially relates to a foundation ditch-free elevating platform.

Background

In a campus or a market, a stage is an important platform for propagating cultural arts, and new activities, a dance evening, a singing match and the like need to be held on the stage; sometimes, the lifting platform is required to be used for actual needs, and a foundation pit needs to be dug for improving the stability of the lifting platform, so that the foundation pit is extremely difficult to dig for temporary performance in a market; in addition, most lifting platforms at the present stage adopt the flexibility of a transverse hydraulic cylinder to push the stage to lift, the hydraulic cylinder needs to be arranged at the bottom of the stage, the hydraulic cylinder needs a lot of auxiliary equipment, the occupied area is large, and the space at the bottom of the stage is limited, so that the hydraulic cylinder is arranged at the bottom of the stage and is greatly limited; in addition, the hydraulic cylinder is easy to produce oil stain and is not easy to clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can solve not enough of current building condition, realize the function that equipment was used in the place that originally can't use the elevating platform.

In order to achieve the above purpose, the utility model adopts the following scheme: the utility model provides a foundation-pit-free lifting platform, is including mesa and drive the elevating system that the mesa goes up and down, elevating system is including setting up in the mesa below and along a plurality of rigid chain climbing mechanisms of mesa center circumference array, rigid chain climbing mechanism is including supporting baseplate be equipped with driving motor on the supporting baseplate, the last rigid chain that is equipped with of driving motor, the one end and the driving motor looks wraparound of rigid chain, the other end of rigid chain is connected with the mesa, still including the guiding mechanism who is used for leading mesa oscilaltion and be used for preventing the unexpected stop gear that descends of mesa.

Further, the guide mechanism comprises a first fork arm, a second fork arm, a first transverse rail, a second transverse rail, a first fixing plate and a second fixing plate, wherein the first fork arm and the second fork arm are connected with each other in a cross mode, the middle portions of the first fork arm and the second fork arm are connected with each other in a cross mode, the first fixing plate, the second fixing plate and the supporting base plate are all located on the same horizontal line, the first transverse rail is fixedly arranged at the lower end of the table board, the second transverse rail is fixedly arranged on the second fixing plate, the lower end of the first fork arm is hinged to the first fixing plate, the upper end of the first fork arm is arranged on the first transverse rail in a sliding mode, the lower end of the second fork arm is arranged on the second transverse rail in a sliding mode, and the upper end of the second fork arm is hinged to the table board.

Further, a first roller is rotatably mounted at the upper end of the first fork arm, the first roller is arranged in the first transverse track in a rolling manner, a second roller is rotatably mounted at the lower end of the second fork arm, and the second roller is arranged in the second transverse track in a rolling manner.

Furthermore, stop gear is including setting up a plurality of spacing seats on the second fixed plate, and is a plurality of spacing seat sets up along the horizontal track length direction of second spacing seat is last flexible gag lever post, gag lever post one end can stretch into the horizontal track of second in be used for restricting the removal of second gyro wheel.

Preferably, the guide means are four along the central circumferential array of the table top.

Preferably, the rigid chain jacking mechanisms are four in a central circumferential array of the table top.

Preferably, two groups of auxiliary rigid chain jacking mechanisms are further included, and the two groups of auxiliary rigid chain jacking mechanisms are symmetrically arranged in the circumference formed by the four groups of rigid chain jacking mechanisms.

To sum up, the utility model discloses for its beneficial effect of prior art is: by adopting the arrangement of the rigid chain jacking mechanism, the defect that a foundation pit cannot be dug down in a market and the like can be overcome, the application of the lifting platform is solved for people to the greatest extent, and the performance effect is enriched; meanwhile, the lifting of a transmission hydraulic cylinder is abandoned, so that the occupied area is small, and the maintenance is easy; in addition, the lifting device is further provided with a guide mechanism and a limiting mechanism, so that the lifting stability is further improved, and the use safety of the lifting platform is guaranteed.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic front view of the table top of the present invention when it is lifted.

Fig. 4 is an enlarged schematic view of fig. 1 at a according to the present invention.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature during use or operation of the device, and may include different orientations of the device during use or operation of the device as illustrated in the figures. The devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the invention, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The invention is further described in the following figures and embodiments: as shown in fig. 1 to 4, a foundation-pit-free lifting platform comprises a platform surface 1 and a lifting mechanism for driving the platform surface 1 to lift, the lifting mechanism comprises a plurality of rigid chain jacking mechanisms which are arranged below the table board 1 and arrayed along the central circumference of the table board 1, the rigid chain jacking mechanisms comprise supporting bottom plates 2, a driving motor 3 is arranged on the supporting bottom plate 2, a rigid chain 4 is arranged on the driving motor 3, one end of the rigid chain 4 is connected with the driving motor 3 in a winding way, the other end of the rigid chain 4 is connected with the table-board 1, the table-board device also comprises a guide mechanism for guiding the table-board 1 to lift up and down and a limit mechanism for preventing the table-board 1 from accidentally falling, by adopting the arrangement of the rigid chain jacking mechanism, the defect that a foundation pit cannot be dug down in a market and the like can be overcome, the application of the lifting platform is solved for people to the greatest extent, and the performance effect is enriched; meanwhile, the lifting of a transmission hydraulic cylinder is abandoned, so that the occupied area is small, and the maintenance is easy; in addition, the lifting device is further provided with a guide mechanism and a limiting mechanism, so that the lifting stability is further improved, and the use safety of the lifting platform is guaranteed.

The utility model discloses in, guiding mechanism is including middle part intercrossing connection's first yoke 21 and second yoke 22, first horizontal track 23, the horizontal track 24 of second, first fixed plate 25 and second fixed plate 26, first fixed plate 25, second fixed plate 26 and supporting baseplate 2 all are in on same water flat line, first horizontal track 23 is fixed to be set up at 1 lower extreme of mesa, the horizontal track 24 of second is fixed to be set up on second fixed plate 26, first yoke 21 lower extreme articulates on first fixed plate 25, and the upper end slides and sets up on first horizontal track 23, second yoke 22 lower extreme slides and sets up on the horizontal track 24 of second, and the upper end is articulated mutually with mesa 1, according to such structure, through the cross arrangement of first yoke 21 with second yoke 22, can ensure the direction of the vertical direction of mesa 1.

The utility model discloses in first yoke 21 upper end is rotated and is installed first gyro wheel 31, first gyro wheel 31 rolls and sets up in first horizontal track 23 second yoke 22 lower extreme is rotated and is installed second gyro wheel 32, second gyro wheel 32 rolls and sets up in second horizontal track 24, can ensure first yoke 21 and second yoke 22's smooth and easy removal, improvement stability.

Referring to fig. 4, the limiting mechanism includes a plurality of limiting seats 41 disposed on the second fixing plate 26, the plurality of limiting seats 41 are disposed along the length direction of the second transverse rail 24, a limiting rod 42 is extended and retracted on the limiting seats 41, and one end of the limiting rod 42 can extend into the second transverse rail 24 to limit the movement of the second roller 32, when the table top 1 rises to a certain height, the situation that the movement is more realized, that is, the actual position of the second roller 32, extends the limiting rod 42 into the second transverse rail 24, and further, when an accident occurs and the table top 1 falls down rapidly, the second roller 32 on the second forked arm 22 can be blocked, so that the table top 1 can be limited from falling, and the safety is improved.

The utility model discloses in, guiding mechanism has four along 1 central circumference array of mesa, rigid chain climbing mechanism has four along 1 central circumference array of mesa, can ensure that mesa 1 stably goes up and down.

The utility model discloses in still including two sets of supplementary rigid chain climbing mechanism 71, these two sets of supplementary rigid chain climbing mechanism 71 symmetries set up within the circumference that four sets of rigid chain climbing mechanisms formed, can ensure that mesa 1 stabilizes the lift.

In combination with the basic principles and main features of the present invention and the advantages of the present invention as shown and described above, those skilled in the art should understand that the present invention is not limited by the above embodiments, and only the description in the above embodiments and the description illustrates the principles of the present invention without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a foundation ditch-free lifting platform, is including mesa (1) and drive the elevating system that mesa (1) goes up and down, its characterized in that: elevating system is including setting up in mesa (1) below and along a plurality of rigid chain climbing mechanism of mesa (1) central circumference array, rigid chain climbing mechanism is including supporting baseplate (2) be equipped with driving motor (3) on supporting baseplate (2), be equipped with rigidity chain (4) on driving motor (3), the one end and the driving motor (3) of rigidity chain (4) are around connecing mutually, the other end of rigidity chain (4) is connected with mesa (1), still including the guiding mechanism who is used for leading mesa (1) oscilaltion and be used for preventing the unexpected stop gear that descends of mesa (1).

2. The foundation-free pit lift of claim 1, wherein: the guide mechanism comprises a first fork arm (21), a second fork arm (22), a first transverse rail (23), a second transverse rail (24), a first fixing plate (25) and a second fixing plate (26), wherein the middle parts of the first fork arm and the second fork arm are connected in a cross mode, the first fixing plate (25), the second fixing plate (26) and the supporting base plate (2) are located on the same horizontal line, the first transverse rail (23) is fixedly arranged at the lower end of the table board (1), the second transverse rail (24) is fixedly arranged on the second fixing plate (26), the lower end of the first fork arm (21) is hinged to the first fixing plate (25), the upper end of the first fork arm is arranged on the first transverse rail (23) in a sliding mode, the lower end of the second fork arm (22) is arranged on the second transverse rail (24) in a sliding mode, and the upper end of the second fork arm is hinged to the table board (1).

3. The foundation-free pit lift of claim 2, wherein: a first roller (31) is rotatably mounted at the upper end of the first fork arm (21), the first roller (31) is arranged in the first transverse track (23) in a rolling manner, a second roller (32) is rotatably mounted at the lower end of the second fork arm (22), and the second roller (32) is arranged in the second transverse track (24) in a rolling manner.

4. The foundation-free pit lift of claim 3, wherein: limiting mechanism is including setting up a plurality of spacing seats (41) on second fixed plate (26), and is a plurality of spacing seat (41) set up along second transverse rail (24) length direction spacing seat (41) go up flexible spacing pole (42), the removal that is used for restricting second gyro wheel (32) in spacing pole (42) one end can stretch into second transverse rail (24).

5. The foundation-free pit lift of claim 2, wherein: four guide mechanisms are arrayed along the central circumference of the table top (1).

6. The foundation-free pit lift of claim 1, wherein: four rigid chain jacking mechanisms are arranged along the central circumference of the table top (1).

7. The foundation-free pit lift of claim 6, wherein: the device also comprises two groups of auxiliary rigid chain jacking mechanisms (71), wherein the two groups of auxiliary rigid chain jacking mechanisms (71) are symmetrically arranged in the circumference formed by the four groups of rigid chain jacking mechanisms.

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