Lifting device with balance weight

Abstract

The lifting device with the balance weight comprises a support module, a driving module, a lifting module and a balance weight module, the support module comprises a top frame, a bottom frame, a first vertical frame and a second vertical frame, and the top frame and the bottom frame are fixedly installed between the first vertical frame and the second vertical frame respectively. A first guide rail and a first limiting plate are arranged on the side, close to the second vertical frame, of the first vertical frame, and a second guide rail and a second limiting plate are arranged on the side, close to the first vertical frame, of the second vertical frame. According to the lifting device with the balance weight, the support module, the driving module, the lifting module and the balance weight module are in linkage, a synchronous toothed belt is adopted as a transmission mode, and the lifting device has the advantages of being high in running speed and stable in transmission; and a balancing weight for balancing is arranged to prevent the hidden danger of sudden falling when the power of the equipment is cut off.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting, and in particular relates to a lifting device with a counterweight. Background Art

[0002] The lifting structure generally uses chain drive, which has the defects of slow speed, loud noise and unstable transmission. At the same time, when the power of the equipment is cut off, there is a safety hazard of sudden falling on the lifting side of the ordinary lifting structure.

[0003] Therefore, further improvements are made to the above problems. Utility Model Content

[0004] The main purpose of the utility model is to provide a lifting device with a counterweight, which is linked by a bracket module, a drive module, a lifting module and a counterweight module. The transmission method adopts a synchronous toothed belt, which has the advantages of fast running speed and smooth transmission. A counterweight block for balancing is provided to prevent the hidden danger of sudden falling when the power of the equipment is cut off.

[0005] To achieve the above objectives, the present invention provides a lifting device with a counterweight, comprising a support module, a drive module, a lifting module and a counterweight module, wherein:

[0006] The bracket module includes a top frame, a bottom frame, a first vertical frame and a second vertical frame, wherein the top frame and the bottom frame are fixedly installed between the first vertical frame and the second vertical frame respectively, a first guide rail and a first limit plate are provided on a side of the first vertical frame close to the second vertical frame, and a second guide rail and a second limit plate are provided on a side of the second vertical frame close to the first vertical frame;

[0007] The driving module includes a driving motor, a driving shaft, a first bearing seat, a second bearing seat, a first synchronous pulley (toothed belt), a second synchronous pulley, a first synchronous belt and a second synchronous belt, the driving motor is mounted on the first vertical frame (outer side), the first bearing seat is mounted on the first vertical frame (inner side) and the second bearing seat is mounted on the second vertical frame, one end of the driving shaft is connected to the driving end of the driving motor through the first bearing seat and the other end of the driving shaft is mounted on the second bearing seat, the first synchronous pulley and the second synchronous pulley are both sleeved and fixed on the driving shaft, the first synchronous belt is mounted on the first synchronous pulley and the second synchronous belt is mounted on the second synchronous pulley;

[0008] The lifting module includes a lifting base (for lifting objects), a first slider and a second slider. One end of the first synchronous belt (through a pressure block) and the first slider (through a connecting piece) are respectively fixedly connected to a side of the lifting base close to the first vertical frame. One end of the second synchronous belt (through a pressure block) and the second slider (through a connecting piece) are respectively fixedly connected to a side of the lifting base close to the second vertical frame. The first slider is mounted on the first guide rail and the second slider is mounted on the second guide rail (to make the lifting base more stable when moving up and down).

[0009] The counterweight module includes a counterweight plate and several counterweight blocks, the counterweight blocks are fixedly mounted on the counterweight plate, the two sides of the counterweight plate are respectively mounted on the first limit plate and the second limit plate, the other end of the first synchronous belt is fixedly connected to the side of the counterweight plate close to the first vertical frame, and the other end of the second synchronous belt is fixedly connected to the side of the counterweight plate close to the second vertical frame.

[0010] As a further preferred technical solution of the above technical solution, the first synchronous pulley and the second synchronous pulley are both installed on the driving shaft through an expansion sleeve.

[0011] As a further preferred technical solution of the above technical solution, the first limiting plate is provided with a first limiting groove and the second limiting plate is provided with a second limiting groove, one side of the counterweight plate is embedded in the first limiting groove and the other side of the counterweight plate is embedded in the second limiting groove (so that the counterweight plate is more stable when moving up and down).

[0012] As a further preferred technical solution of the above technical solution, the base frame is provided with a support plate (to improve structural stability).

[0013] As a further preferred technical solution of the above technical solution, the drive motor is connected to a planetary reducer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the present utility model.

[0015] Figure 2 It is a structural diagram of the present utility model.

[0016] Figure 3 It is a structural diagram of the present utility model.

[0017] 1 , a first guide rail; a second guide rail; a second limit plate; a second limit groove; a second first limit groove; a first support frame; a first support frame; a first support frame; a first support frame; a first support frame; a first support frame; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a first support groove; a DETAILED DESCRIPTION

[0018] The following description is intended to disclose the present invention and enable those skilled in the art to implement the present invention. The preferred embodiments described below are provided for illustrative purposes only, and those skilled in the art will readily appreciate other obvious variations. The basic principles of the present invention as defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0019] The utility model discloses a lifting device with a counterweight. The specific embodiments of the utility model will be further described below in conjunction with preferred embodiments.

[0020] In the embodiments of the present invention, those skilled in the art will note that the objects and the like involved in the present invention may be considered as prior art.

[0021] Preferred embodiment.

[0022] like Figure 1-3 As shown, the utility model discloses a lifting device with a counterweight, including a support module 100, a drive module 200, a lifting module 300 and a counterweight module 400, wherein:

[0023] The bracket module 100 includes a top frame 110, a bottom frame 120, a first vertical frame 130, and a second vertical frame 140. The top frame 110 and the bottom frame 120 are fixedly installed between the first vertical frame 130 and the second vertical frame 140, respectively. A first guide rail 131 and a first limiting plate 132 are provided on a side of the first vertical frame 130 close to the second vertical frame 140. A second guide rail 141 and a second limiting plate 142 are provided on a side of the second vertical frame 140 close to the first vertical frame 130.

[0024] The driving module 200 includes a driving motor 210, a driving shaft 220, a first bearing seat 230, a second bearing seat 240, a first synchronous pulley (toothed belt) 250, a second synchronous pulley 260, a first synchronous belt 270 and a second synchronous belt 280 (two synchronous belts are symmetrically arranged), the driving motor 210 is mounted on the first vertical frame 130 (outer side), the first bearing seat 240 is mounted on the first vertical frame 130 (inner side) and the second bearing seat 240 is mounted on the second vertical frame 140, one end of the driving shaft 220 is connected to the driving end of the driving motor 210 through the first bearing seat 230 and the other end of the driving shaft 220 is mounted on the second bearing seat 240, the first synchronous pulley 250 and the second synchronous pulley 260 are both sleeved and fixed on the driving shaft 220, the first synchronous belt 270 is mounted on the first synchronous pulley 250 and the second synchronous belt 280 is mounted on the second synchronous pulley 260;

[0025] The lifting module 300 includes a lifting base 310 (for lifting objects), a first slider 320, and a second slider 330. One end of the first synchronous belt 270 (via a pressure block) and the first slider 320 (via a connector) are respectively fixedly connected to a side of the lifting base 310 near the first vertical frame 130. One end of the second synchronous belt 280 (via a pressure block) and the second slider 330 (via a connector) are respectively fixedly connected to a side of the lifting base 310 near the second vertical frame 140. The first slider 320 is mounted on the first guide rail 131, and the second slider 330 is mounted on the second guide rail 141 (to make the lifting base more stable when moving up and down).

[0026] The counterweight module 400 includes a counterweight plate 410 and several counterweight blocks 420. The counterweight blocks 420 are fixedly installed on the counterweight plate 410. The two sides of the counterweight plate 410 are respectively installed on the first limit plate 132 and the second limit plate 142. The other end of the first synchronous belt 270 is fixedly connected to the side of the counterweight plate 410 close to the first vertical frame 130, and the other end of the second synchronous belt 280 is fixedly connected to the side of the counterweight plate 410 close to the second vertical frame 140.

[0027] Specifically, the first synchronous pulley 250 and the second synchronous pulley 260 are both installed on the driving shaft through an expansion sleeve 251 .

[0028] More specifically, the first limiting plate 132 is provided with a first limiting groove 133 and the second limiting plate 142 is provided with a second limiting groove 143, one side of the counterweight plate 410 is embedded in the first limiting groove 133 and the other side of the counterweight plate 410 is embedded in the second limiting groove 143 (so that the counterweight plate is more stable when moving up and down).

[0029] Furthermore, the base frame 120 is provided with a support plate 121 (to improve structural stability).

[0030] Furthermore, the driving motor 210 is connected to a planetary reducer 211 .

[0031] For this utility model:

[0032] The driving motor outputs power in forward and reverse rotation, which is transmitted to the synchronous pulley through the driving shaft, so that the synchronous belt drives the lifting baseplate up and down to achieve the purpose of lifting.

[0033] The use of counterweight balance effectively prevents the potential hazard of sudden drop of lifting parts when power is cut off, thus improving safety. The use of synchronous belt drive has the advantages of fast transmission speed and smooth operation.

[0034] It is worth mentioning that the technical features such as objects involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional means in the field and should not be regarded as the inventive point of this utility model patent. This utility model patent will not be further elaborated.

[0035] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. A lifting device with a counterweight, characterized in that: It includes a bracket module, a drive module, a lifting module and a counterweight module, wherein: The bracket module includes a top frame, a bottom frame, a first vertical frame and a second vertical frame, wherein the top frame and the bottom frame are fixedly installed between the first vertical frame and the second vertical frame respectively, a first guide rail and a first limit plate are provided on a side of the first vertical frame close to the second vertical frame, and a second guide rail and a second limit plate are provided on a side of the second vertical frame close to the first vertical frame; The driving module includes a driving motor, a driving shaft, a first bearing seat, a second bearing seat, a first synchronous pulley, a second synchronous pulley, a first synchronous belt and a second synchronous belt, the driving motor is mounted on the first vertical frame, the first bearing seat is mounted on the first vertical frame and the second bearing seat is mounted on the second vertical frame, one end of the driving shaft is connected to the driving end of the driving motor through the first bearing seat and the other end of the driving shaft is mounted on the second bearing seat, the first synchronous pulley and the second synchronous pulley are both sleeved and fixed on the driving shaft, the first synchronous belt is mounted on the first synchronous pulley and the second synchronous belt is mounted on the second synchronous pulley; The lifting module includes a lifting base, a first slider and a second slider, one end of the first synchronous belt and the first slider are respectively fixedly connected to a side of the lifting base close to the first vertical frame, one end of the second synchronous belt and the second slider are respectively fixedly connected to a side of the lifting base close to the second vertical frame, the first slider is mounted on the first guide rail and the second slider is mounted on the second guide rail; The counterweight module includes a counterweight plate and several counterweight blocks, the counterweight blocks are fixedly mounted on the counterweight plate, the two sides of the counterweight plate are respectively mounted on the first limit plate and the second limit plate, the other end of the first synchronous belt is fixedly connected to the side of the counterweight plate close to the first vertical frame, and the other end of the second synchronous belt is fixedly connected to the side of the counterweight plate close to the second vertical frame.

2. A lifting device with counterweight according to claim 1, characterized in that: The first synchronous pulley and the second synchronous pulley are both mounted on the driving shaft through expansion sleeves.

3. A lifting device with counterweight according to claim 2, characterized in that: The first limiting plate is provided with a first limiting groove and the second limiting plate is provided with a second limiting groove. One side of the counterweight plate is embedded in the first limiting groove and the other side of the counterweight plate is embedded in the second limiting groove.

4. A lifting device with counterweight according to claim 3, characterized in that: The base frame is provided with a supporting plate.

5. A lifting device with counterweight according to claim 1, characterized in that: The drive motor is connected to a planetary reducer.

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