CN210764131U - Variable frequency speed regulation elevator - Google Patents

Abstract

The utility model discloses a variable frequency speed governing lift relates to the jacking equipment field, including main body frame, drive arrangement, elevating platform and counter weight mechanism, be equipped with between elevating platform and the counter weight mechanism and be connected the two connecting band, drive arrangement includes variable frequency speed governing three-phase asynchronous motor, speed reducer and rotary drum, the dress is hung to the connecting band on the outer periphery of rotary drum, the elevating platform corresponds respectively with counter weight mechanism both sides around the main body frame, the main body frame both sides are equipped with the stand of vertical setting, elevating platform and counter weight mechanism slide respectively and install inside and outside both sides on the stand, the central point of main body frame front side puts and is equipped with the complex guide rail that slides with the elevating platform, the stand is the I shape and just includes preceding riser, back riser and the perpendicular intermediate lamella of being connected with preceding riser and back riser. The utility model has the advantages of good practicability and good working stability.

Description

Variable frequency speed regulation elevator

Technical Field

The utility model relates to a jacking equipment field, concretely relates to variable frequency speed governing lift.

Background

In the existing elevator on the market, an external guide rail is used for a lifting platform and a counterweight mechanism to lift and slide, so that multiple installation problems exist, for example, the guide rail is loosened to influence the safety quality of the elevator, and for example, the problem of damage caused by low installation precision occurs; but also increases labor and material costs.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of background art, the utility model provides a variable frequency speed governing lift that the practicality is good.

The utility model discloses the technical scheme who adopts: the utility model provides a variable frequency speed governing lift, includes main body frame, drive arrangement, elevating platform and counter weight mechanism, be equipped with the connecting band of being connected the two between elevating platform and the counter weight mechanism, drive arrangement includes variable frequency speed governing three-phase asynchronous motor, speed reducer and rotary drum, the dress is hung to the connecting band on the outer periphery of rotary drum, the elevating platform corresponds respectively with counter weight mechanism both sides around the main body frame, the main body frame both sides are equipped with the stand of vertical setting, elevating platform and counter weight mechanism slide respectively install inside and outside both sides on the stand, the central point of main body frame front side puts and is equipped with the complex guide rail that slides with the elevating platform, the stand is the I shape and includes preceding riser, back riser and with preceding riser and the perpendicular intermediate lamella of being connected of back riser, counter weight mechanism is equipped with counter weight support, a plurality of components and distributes in counter weight support four corners and corresponds the first roll subassembly and a plurality of back riser in two rolling subassemblies of counter The side just corresponds the second rolling subassembly of intermediate lamella, first rolling subassembly includes first mounting bracket and two rotation installs first bearing on the first mounting bracket, two the rolling surface of first bearing grasps jointly the back riser.

The second rolling assembly:

the second mounting frame is fixedly arranged above the first mounting frame;

the second bearing is rotatably arranged on the second mounting frame, and the rolling surface of the second bearing is in contact with the inner surface of the middle plate;

and a flexible rubber leather sleeve is sleeved on the rolling surface of the second bearing.

The bottom of the main body frame is provided with a first cushion pad corresponding to the lifting platform and the counterweight mechanism respectively, and the upper end of the main body frame is provided with a second cushion pad corresponding to the lifting platform.

The lifting platform comprises a lifting support, an extension arm and a third rolling assembly, wherein the third rolling assembly is located at four corners of the lifting support, the third rolling assembly is identical to the first rolling assembly in structure, and the third rolling assembly is in rolling fit with the outer side of the front vertical plate in a clamping mode.

The lifting platform further comprises a fourth rolling assembly in clamping rolling fit with the guide rail, and the structure of the fourth rolling assembly is the same as that of the third rolling assembly.

The surface of the connecting belt is rough, and the circumferential surface of the rotary drum is rough and keeps static friction fit with the connecting belt.

And a position sensor is arranged on one side of the lifting platform.

And a safety guardrail is arranged at the bottom of the main body frame corresponding to the counterweight mechanism.

The utility model has the advantages that: according to the technical scheme, the external guide rail is omitted, the problem of installation accuracy is avoided, the upright post is directly used as the guide rail, and in addition, the I-shaped structure is utilized, so that the counterweight mechanism and the lifting platform are used together and are not influenced mutually, and the lifting device has the advantages of good practicability and cost saving; in addition, the first rolling assembly of the counterweight mechanism clamps the rear vertical plate, so that the counterweight mechanism cannot swing back and forth when lifting, and the second rolling assembly is tightly attached to the inner surface of the middle plate so that the counterweight mechanism is prevented from swinging left and right, and the overall working stability is improved.

Drawings

Fig. 1 is the structural schematic diagram of the variable frequency speed regulating elevator of the embodiment of the utility model.

Fig. 2 is a schematic structural diagram of the lifting table.

Fig. 3 is a schematic structural diagram of the counterweight mechanism.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in the figure, a variable frequency speed regulation lift comprises a main body frame 1, a driving device 2, a lifting platform 3 and a counterweight mechanism 4, a connecting belt 5 for connecting the lifting platform 3 and the counterweight mechanism 4 is arranged between the lifting platform 3 and the counterweight mechanism 4, the driving device 2 comprises a variable frequency speed regulation three-phase asynchronous motor 21, a speed reducer 22 and a rotary drum 23, the connecting belt 5 is hung on the outer circumferential surface of the rotary drum 23, the lifting platform 3 and the counterweight mechanism 4 respectively correspond to the front side and the rear side of the main body frame 1, upright posts 6 vertically arranged are arranged on the two sides of the main body frame 1, the lifting platform 3 and the counterweight mechanism 4 are respectively arranged on the inner side and the outer side of the upright posts 6 in a sliding way, a guide rail 11 in sliding fit with the lifting platform 3 is arranged at the center position of the front side of the main body frame 1, the upright posts 6 are in an I shape and comprise a front vertical plate, the counterweight mechanism 4 is provided with a counterweight support 41, first rolling assemblies 42 with a plurality of components distributed at four corners of the counterweight support 41 and corresponding to the rear vertical plate 62, and second rolling assemblies 43 with a plurality of components distributed at two sides of the counterweight support 41 and corresponding to the middle plate 63, wherein each first rolling assembly 42 comprises a first mounting frame 421 and two first bearings 422 rotatably mounted on the first mounting frame 421, and the rear vertical plate 62 is clamped by rolling surfaces of the two first bearings 422 together. In addition, the first rolling assembly of the counterweight mechanism clamps the rear vertical plate, so that the counterweight mechanism cannot swing back and forth when lifting, and the second rolling assembly is tightly attached to the inner surface of the middle plate so that the counterweight mechanism is prevented from swinging left and right, and the overall working stability is improved.

The second rolling assembly 43:

a second mounting bracket 431 fixedly mounted above the first mounting bracket 421;

a second bearing 432 rotatably mounted on the second mounting bracket 431 and having a rolling surface contacting with an inner surface of the middle plate 63;

the cover is equipped with flexible rubber leather sheath 433 on the rolling surface of second bearing 432, and when the second bearing rolled on the intermediate lamella, because counter weight mechanism's elevating movement can lead to it to take place slight horizontal hunting, established the rubber leather sheath through the cover on the bearing, the effectual pressure of buffering swaying about plays buffering absorbing effect, makes counter weight mechanism's laminating both sides stand firmly, and the steady lift.

The bottom of the main body frame 1 is provided with a first cushion pad 12 corresponding to the lifting platform 3 and the counterweight mechanism 4 respectively, the upper end of the main body frame is provided with a second cushion pad 13 corresponding to the lifting platform 3, and when the lifting platform and the main body frame ascend and descend, the cushion pads are touched when the lifting platform and the main body frame reach the highest point and the lowest point, so that the damping effect is achieved.

Elevating platform 3 includes lifting support 31, extension arm 32 and is located the third roll subassembly 33 of lifting support 31 four corners position, third roll subassembly 33 is the same with first roll subassembly 42 structure, third roll subassembly 33 with the outside centre gripping of preceding riser 61 rolls the cooperation, rolls from top to bottom through the riser before the centre gripping, prevents the front and back swing.

The lifting platform 3 further comprises a fourth rolling assembly 34 in clamping rolling fit with the guide rail 11, the structure of the fourth rolling assembly 34 is the same as that of the third rolling assembly 33, the fourth rolling assembly is also moved up and down by two bearing clamping guide rails, and the movement track of the lifting platform is ensured to be straight and moved up and down without left and right swinging.

The surface of the connecting belt 5 is rough, the circumferential surface of the rotary drum 23 is rough and keeps static friction fit with the connecting belt 5, and the rotary drum rotates to drive the connecting belt, so that the lifting table and the counterweight mechanism are driven to move up and down.

And a position sensor is arranged on one side of the lifting platform 3, so that the height information of the lifting platform can be monitored and fed back in real time.

The bottom of the main body frame 1 is provided with a safety guardrail corresponding to the position of the counterweight mechanism 4, so that the safety protection effect is achieved.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims (8)

1. The utility model provides a variable frequency speed governing lift, includes main body frame (1), drive arrangement (2), elevating platform (3) and counter weight mechanism (4), be equipped with between elevating platform (3) and counter weight mechanism (4) and be connected connecting band (5) of the two, its characterized in that: drive arrangement (2) are including variable frequency speed governing three-phase asynchronous motor (21), speed reducer (22) and rotary drum (23), the dress is hung in connecting band (5) on the outer periphery of rotary drum (23), elevating platform (3) correspond respectively with counter weight mechanism (4) both sides around main body frame (1), main body frame (1) both sides are equipped with stand (6) of vertical setting, install that slides respectively elevating platform (3) and counter weight mechanism (4) inside and outside both sides on stand (6), the central point of main body frame (1) front side puts and is equipped with the complex guide rail (11) that slides with elevating platform (3), stand (6) are the I shape and include preceding riser (61), back riser (62) and with preceding riser (61) and the middle plate (63) of back riser (62) vertical connection, counter weight mechanism (4) are equipped with counter weight support (41), A plurality of groups distribute in counter weight support (41) four corners and correspond first roll subassembly (42) and a plurality of groups of back riser (62) distribute in counter weight support (41) both sides and correspond second roll subassembly (43) of intermediate lamella (63), first roll subassembly (42) include first mounting bracket (421) and two rotate to be installed first bearing (422) on first mounting bracket (421), two the rolling surface of first bearing (422) grasps back riser (62) jointly.

2. The variable frequency speed governing elevator according to claim 1, wherein: the second rolling assembly (43):

a second mounting bracket (431) fixedly mounted above the first mounting bracket (421);

a second bearing (432) rotatably mounted on the second mounting bracket (431) with a rolling surface thereof in contact with an inner surface of the intermediate plate (63);

and a flexible rubber leather sleeve (433) is sleeved on the rolling surface of the second bearing (432).

3. The variable frequency speed governing elevator according to claim 2, wherein: the bottom of the main body frame (1) is provided with a first cushion pad (12) corresponding to the lifting platform (3) and the counterweight mechanism (4), and the upper end of the main body frame is provided with a second cushion pad (13) corresponding to the lifting platform (3).

4. The variable frequency speed governing elevator according to claim 1, wherein: the elevating platform (3) includes lifting support (31), extension arm (32) and is located the third of lifting support (31) four corners position rolls subassembly (33), third rolls subassembly (33) and is the same with first roll subassembly (42) structure, third roll subassembly (33) with the outside centre gripping of preceding riser (61) rolls the cooperation.

5. The variable frequency speed governing elevator according to claim 4, wherein: the lifting platform (3) further comprises a fourth rolling assembly (34) in clamping rolling fit with the guide rail (11), and the structure of the fourth rolling assembly (34) is the same as that of the third rolling assembly (33).

6. The variable frequency speed governing elevator according to claim 1, wherein: the surface of the connecting belt (5) is rough, the circumferential surface of the rotary drum (23) is rough, and the rotary drum and the connecting belt (5) are in static friction fit.

7. The variable frequency speed governing elevator according to claim 1, wherein: and a position sensor (7) is installed on one side of the lifting platform (3).

8. The variable frequency speed governing elevator according to claim 1, wherein: and a safety guardrail (8) is arranged at the bottom of the main body frame (1) corresponding to the position of the counterweight mechanism (4).

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