CN210457132U

CN210457132U - Lifting machine

Info

Publication number: CN210457132U
Application number: CN201921520195.7U
Authority: CN
Inventors: 何宏伟; 张正国; 刘国海; 李念峰; 隰桂吉
Original assignee: NANJING GAOLI ENGINEERING MACHINERY CO LTD
Current assignee: NANJING GAOLI ENGINEERING MACHINERY CO LTD
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-05
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a lifter, relating to the field of lifting equipment, which comprises a main body frame, a driving device, a lifting platform and a counterweight mechanism, a connecting belt for connecting the lifting platform and the counterweight mechanism is arranged between the lifting platform and the counterweight mechanism, the counterweight mechanism is provided with a counterweight support, a plurality of first rolling assemblies which are distributed at four corners of the counterweight support and correspond to the rear vertical plates, and a plurality of second rolling assemblies which are distributed at two sides of the counterweight support and correspond to the middle plate, the second rolling assembly comprises a second mounting frame, a second roller and a connecting plate, a connecting screw is arranged between the upper end of two sides of the connecting plate and the upper surface of the second mounting frame, a fastening screw is arranged between the lower end of the connecting plate and the side wall of the counterweight bracket, a clamping block is arranged between the second mounting frame and the side wall of the counterweight bracket, the side walls of the second mounting frame and the counterweight support are provided with inserting strips which penetrate through the second mounting frame and the counterweight support and are partially inserted into the connecting plate. The utility model has the advantages of good practicability and good working stability.

Description

Lifting machine

Technical Field

The utility model relates to a jacking equipment field, concretely relates to 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 increase manual work and material cost, the problem that the structure is not hard up or breaks away from appears easily in the gyro wheel in addition when rolling, influences the result of use.

SUMMERY OF THE UTILITY MODEL

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

The utility model discloses the technical scheme who adopts: a lift comprises a main body frame, a driving device, a lifting platform and a counterweight mechanism, wherein a connecting belt for connecting the lifting platform and the counterweight mechanism is arranged between the lifting platform and the counterweight mechanism, the driving device comprises a variable frequency speed regulation three-phase asynchronous motor, a speed reducer and a rotary drum, the connecting belt is hung on the outer circumferential surface of the rotary drum, the lifting platform and the counterweight mechanism respectively correspond to the front side and the rear side of the main body frame, the two sides of the main body frame are provided with upright columns which are vertically arranged, the lifting platform and the counterweight mechanism are respectively installed on the inner side and the outer side of the upright columns in a sliding manner, the upright columns are in an I shape and comprise a front vertical plate, a rear vertical plate and a middle plate which is vertically connected with the front vertical plate and the rear vertical plate, the counterweight mechanism is provided with a counterweight support, a plurality of components which are distributed on four corners of the counterweight support and correspond, the second rolling assembly includes: second mounting bracket, rotation are installed second gyro wheel and connecting plate on the second mounting bracket, be equipped with between the upper end of connecting plate both sides and the upper surface of second mounting bracket and be connected the two connecting screw, be equipped with between the lower extreme of connecting plate and the lateral wall of counter weight support and be connected the two fastening screw, be equipped with the embedded fixture block of being connected the two between the lateral wall of second mounting bracket and counter weight support, the lateral wall of second mounting bracket and counter weight support is equipped with and runs through the two and the part inserts cutting in the connecting plate, the cutting is equipped with between the lateral wall of L type and its bottom and counter weight support and is connected fixed the two mounting screw, still be equipped with the inserted block of through connection three between connecting plate and second mounting bracket and the cutting.

The first rolling assembly comprises a first mounting frame and two first rollers rotatably mounted on the first mounting frame, and rolling surfaces of the two first rollers clamp the rear vertical plate together.

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 three-dimensional 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, under the effect of connecting plate, increased the area of contact between the lateral wall of second mounting bracket and counter weight support, made the connection of the two more firm, made the structure more reasonable, under the effect of cutting, inserted block and fixture block, provided the compact type between the lateral wall of second mounting bracket and counter weight support.

Drawings

Fig. 1 is a schematic structural diagram of an elevator according to an embodiment of the present invention.

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

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

Fig. 4 is a sectional view of the second rolling assembly.

Detailed Description

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

as shown in the figure, a lift, including main body frame 1, drive arrangement 2, elevating platform 3 and counter weight mechanism 4, be equipped with between elevating platform 3 and the counter weight mechanism 4 and be connected the two connecting band 5, drive arrangement 2 includes variable frequency speed governing three-phase asynchronous motor 21, speed reducer 22 and rotary drum 23, the connecting band 5 is hung the dress and is in on the outer periphery of rotary drum 23, elevating platform 3 corresponds respectively with counter weight mechanism 4 both sides around main body frame 1, main body frame 1 both sides are equipped with the stand 6 of vertical setting, elevating platform 3 and counter weight mechanism 4 slide respectively and install inside and outside on the stand 6, stand 6 is the I shape and includes preceding riser 61, back riser 62 and with preceding riser 61 and the perpendicular intermediate lamella 63 of being connected of back riser 62, counter weight mechanism 4 is equipped with counter weight support 41, a plurality of components cloth in counter weight support 41 four corners and corresponds the first roll subassembly 42 and a plurality of group distribution of back riser 62 Second rolling assemblies 43 disposed at both sides of the counterweight support 41 and corresponding to the middle plate 63, wherein the second rolling assemblies 43 include: the second mounting frame 431, the second roller 432 rotatably mounted on the second mounting frame and the connecting plate 433, a connecting screw 434 for connecting the upper end of the two sides of the connecting plate 433 and the upper surface of the second mounting frame 431 is arranged between the upper end of the two sides of the connecting plate 433 and the side wall of the counterweight support 41, a fastening screw 435 for connecting the lower end of the connecting plate 433 and the side wall of the counterweight support 41 is arranged between the second mounting frame 431 and the side wall of the counterweight support 41, a clamping block 436 for embedded connection of the two is arranged between the second mounting frame 431 and the side wall of the counterweight support 41, an inserting strip 437 which penetrates through the second mounting frame 431 and the counterweight support 41 and is partially inserted into the connecting plate 433 is arranged on the side wall of the counterweight support 41, a mounting screw 438 for connecting and fixing the two is arranged between the bottom of the inserting strip 437 and the second mounting frame 431 and an inserting block 439 for penetrating through the connecting, the problem of installation accuracy is avoided, the upright column is directly used as the guide rail, and in addition, the counterweight mechanism and the lifting platform are used together by utilizing an I-shaped structure, so that the counterweight mechanism and the lifting platform are not influenced mutually, and the lifting device has the advantages of good practicability and cost saving; in addition, under the effect of connecting plate, increased the area of contact between the lateral wall of second mounting bracket and counter weight support, made the connection of the two more firm, made the structure more reasonable, under the effect of cutting, inserted block and fixture block, provided the compact type between the lateral wall of second mounting bracket and counter weight support.

The first rolling assembly 42 comprises a first mounting frame 421 and two first rollers 422 rotatably mounted on the first mounting frame 421, and rolling surfaces of the two first rollers 422 clamp the rear vertical plate 62 together to prevent the counterweight mechanism from swinging back and forth when ascending and descending.

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 three-dimensional frame is provided with a second cushion pad 13 corresponding to the lifting platform 3, and when the lifting platform and the three-dimensional frame ascend and descend, the two cushion pads touch the highest point and the lowest point to play a role in shock absorption.

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 the two roller 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

1. The utility model provides a lift, includes main body frame (1), drive arrangement (2), elevating platform (3) and counter weight mechanism (4), be equipped with connecting band (5) of connecting the two between elevating platform (3) and counter weight mechanism (4), 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), stand (6) are the I shape and include preceding riser (61), back riser (62) and with preceding riser (61) and back riser (62) vertically connected intermediate lamella (63), counter weight mechanism (4) are equipped with counter weight support (41), a plurality of components and distribute in counter weight support (41) four corners and correspond first roll subassembly (42) and a plurality of components distribution of back riser (62) in counter weight support (41) both sides and correspond back riser (62) both sides and correspond -a second rolling assembly (43) of an intermediate plate (63), said second rolling assembly (43) comprising: second mounting bracket (431), rotate and install second gyro wheel (432) and connecting plate (433) on the second mounting bracket, be equipped with between the upper end of connecting plate (433) both sides and the upper surface of second mounting bracket (431) and be connected two connecting screw (434), be equipped with between the lower extreme of connecting plate (433) and the lateral wall of counter weight support (41) and be connected two fastening screw (435), be equipped with embedded fixture block (436) of being connected the two between the lateral wall of second mounting bracket (431) and counter weight support (41), the lateral wall of second mounting bracket (431) and counter weight support (41) is equipped with and runs through the two and partial insertion the cutting (437) in connecting plate (433), cutting (437) are L type and are equipped with between the lateral wall of its bottom and counter weight support (41) and are connected fixed two mounting screw (438), still be equipped with through connection three's between connecting plate (433) and second mounting bracket (431) and cutting (437) An insert block (439).

2. The elevator as claimed in claim 1, wherein: the first rolling assembly (42) comprises a first mounting frame (421) and two first rollers (422) rotatably mounted on the first mounting frame (421), and rolling surfaces of the two first rollers (422) clamp the rear vertical plate (62) together.

3. The elevator as claimed in 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 elevator as claimed in 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 elevator as claimed in claim 4, wherein: the center position of main body frame (1) front side is equipped with guide rail (11) with elevating platform (3) cooperation of sliding, elevating platform (3) still include with guide rail (11) centre gripping roll complex fourth roll subassembly (34), the structure of fourth roll subassembly (34) is the same with third roll subassembly (33).

6. The elevator as claimed in 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 elevator as claimed in claim 1, wherein: and a position sensor (7) is installed on one side of the lifting platform (3).

8. The elevator as claimed in 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).