CN111704069A

CN111704069A - Hoisting type chain wheel lifting mechanical device

Info

Publication number: CN111704069A
Application number: CN202010592296.6A
Authority: CN
Inventors: 陆洪聘
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-09-25

Abstract

The invention discloses a hoisting type chain wheel lifting mechanical device, which belongs to the technical field of hoisting machinery and comprises a lifting frame, a lifting guide rail, a sliding bracket, a lifting platform and a vertical chain wheel assembly, wherein the lifting guide rail is installed on the back surface of the lifting frame, the sliding bracket is arranged on the lifting guide rail in a sliding manner, the sliding bracket is connected with the lifting platform, the vertical chain wheel assembly is installed above the sliding bracket, a lifting chain of the vertical chain wheel assembly is connected with the sliding bracket, the upper end of the sliding bracket is connected with a traction balancing weight through a protection chain, the sliding bracket is arranged along the lifting guide rail in a sliding manner through the limiting of a guide rail sleeve and is driven by the vertical chain wheel assembly to lift, the traction balancing weight is equipped to reduce the load of a lifting motor, the time and labor.

Description

Hoisting type chain wheel lifting mechanical device

Technical Field

The invention relates to the technical field of hoisting machinery, in particular to a hoisting type chain wheel lifting mechanical device.

Background

The hoisting machine is a transportation machine which is used more in processing and transportation, and is generally used for vertical conveying of heavy objects. Particularly, the lifting machine is used as complete equipment in heavy object transportation, and the lifting machine is generally used for solving the problem of longitudinal transportation of heavy objects. The elevator has reliable performance and wide application.

At present, the lifting machine running state is realized through hoisting wire rope usually, its structure is through the unreeling of hoist motor to hoisting wire rope, the rolling operation, carry out vertical lift with the heavy object that hoisting wire rope connects, accomplish vertical transport, lack corresponding limit structure at the in-process that promotes during its defect, lead to heavy object to promote the in-process and take place the rocking or the swing of horizontal direction, influence the stability of promotion, and, hoist motor's load is great, installation cost and use cost are higher, be unfavorable for the promotion of heavy object to use.

Therefore, it is desirable to provide a lifting sprocket lifting mechanism that solves the above problems.

Disclosure of Invention

In view of the shortcomings in the prior art, an object of the present invention is to provide a lifting type sprocket lifting mechanism, so as to solve the above problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a jack-up formula sprocket lifting machine device, includes lifting frame, promotion guide rail, sliding bracket, promotion platform and vertical sprocket assembly, and lifting frame back mounted has the promotion guide rail, and sliding bracket slides and sets up on promoting the guide rail, and sliding bracket connects the promotion platform, vertical sprocket assembly is installed to the sliding bracket top, and vertical sprocket assembly's promotion chain is connected with sliding bracket, and the sliding bracket upper end is connected through the protection chain and is pull the balancing weight.

As a further scheme of the invention, the two groups of lifting guide rails are vertically arranged and are parallel to each other, and the top and the bottom of each lifting guide rail are fixed on the lifting frame.

As a further scheme of the invention, the sliding bracket is connected with a guide rail sleeve, and the guide rail sleeve is sleeved on the lifting guide rail.

As a further scheme of the invention, the guide rail sleeve is sleeved on the lifting guide rail, and two ends of the guide rail sleeve are fixed on the sliding bracket through screws.

As a further scheme of the invention, the guide rail sleeve is arranged on the back surface of the sliding bracket, and the lifting platform is connected to the front surface of the sliding bracket.

As a further scheme of the invention, the vertical chain wheel assembly further comprises a guide chain wheel, a lifting chain wheel and a lifting motor.

As a further scheme of the invention, the lifting chain is arranged on the back of the sliding bracket, the top of the lifting chain is arranged on the lifting chain wheel, and the bottom of the lifting chain is arranged on the guide chain wheel.

As a further aspect of the present invention, the lifting chain is disposed between the guide sprocket and the lifting sprocket in a tensioned state, and the lifting chain is fixedly connected to the rear surface of the sliding bracket.

As a further scheme of the invention, the wheel shaft of the lifting chain wheel is connected with the motor shaft of a lifting motor, and the lifting motor is arranged on the lifting frame.

As a further scheme of the invention, anti-bouncing wheel guide sleeves are arranged on two sides of the bottom of the lifting chain wheel, the anti-bouncing wheel guide sleeves are fixed on the lifting frame, and the lifting chain penetrates through the anti-bouncing wheel guide sleeves.

In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:

according to the hoisting type chain wheel lifting mechanical device, the sliding bracket is arranged along the lifting guide rail in a sliding mode through the limiting of the guide rail sleeve and is driven by the vertical chain wheel assembly to lift, the traction counterweight block is arranged to reduce the load of the lifting motor, the time and the labor are saved during lifting operation, the installation cost and the operation cost are reduced, and the lifting operation is convenient and fast.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the invention.

Fig. 2 is a schematic structural view of a sliding bracket according to an embodiment of the present invention.

Fig. 3 is a bottom view of the wheel jump prevention guide sleeve in the embodiment of the invention.

Reference numerals: 1-a lifting frame, 2-a lifting guide rail, 3-a sliding bracket, 4-a guide rail sleeve, 5-a lifting platform, 6-a vertical chain wheel assembly, 7-a lifting chain, 8-a guide chain wheel, 9-a lifting chain wheel, 10-a lifting motor, 11-a guide wheel, 12-a protective chain, 13-a traction balancing weight, 14-an anti-bouncing wheel guide sleeve, 15-a bearing underframe and 16-a damping spring.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The technical solution of the present invention is further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-3, a jack-up formula sprocket lifting machine device, including lifting frame 1, lifting rail 2, sliding bracket 3, lift platform 5 and vertical sprocket assembly 6, 1 back mounted of lifting frame has two sets of lifting rail 2 of erectting to set up and being parallel to each other, and 2 tops of lifting rail and bottom are all fixed on lifting frame 1, sliding bracket 3 slides and sets up on lifting rail 2, is connected with guide rail cover 4 on sliding bracket 3, and guide rail cover 4 is used for the cover to overlap and establishes on lifting rail 2 for carry on spacingly when sliding bracket 3 slides along lifting rail 2.

As a preferred embodiment of the present invention, in order to facilitate the assembly and disassembly of the guide rail sleeve 4, the guide rail sleeve 4 is in a shape of a Chinese character ji, the guide rail sleeve 4 is sleeved on the lifting guide rail 2, and two ends of the guide rail sleeve 4 are fixed on the sliding bracket 3 through screws, so that the sliding bracket 3 can be limited on the lifting guide rail 2 through the guide rail sleeve 4.

In the embodiment of the invention, the guide rail sleeve 4 is installed on the back of the sliding bracket 3, the lifting platform 5 for bearing the heavy object is connected to the front of the sliding bracket 3, and the lifting platform 5 moves along with the sliding bracket 3 to perform the lifting operation.

The lifting mechanism is characterized in that a vertical chain wheel assembly 6 is connected to the sliding bracket 3 and used for lifting operation, the vertical chain wheel assembly 6 comprises a lifting chain 7, a guide chain wheel 8, a lifting chain wheel 9 and a lifting motor 10, wherein the lifting chain 7 is installed on the back face of the sliding bracket 3, the top of the lifting chain 7 is installed on the lifting chain wheel 9, the bottom of the lifting chain 7 is installed on the guide chain wheel 8, the lifting chain 7 is tensioned between the guide chain wheel 8 and the lifting chain wheel 9, and the lifting chain 7 is fixedly connected with the back face of the sliding bracket 3;

the shaft of lifting sprocket 9 is connected with the motor shaft of lifting motor 10, and lifting motor 10 installs on lifting frame 1, when promoting the operation, starts lifting motor 10 work, and lifting motor 10 drives lifting sprocket 9 rotatory to drive and promote chain 7 and rotate, and drive sliding bracket 3 and lift platform 5 and carry out the elevating movement along promoting guide rail 2, convenient operation is swift, and stability is high.

In order to reduce the load of the lifting motor 10, as a preferred embodiment of the present invention, the upper end of the sliding bracket 3 is connected to a traction counterweight 13 through a protection chain 12, the top of the protection chain 12 is wound on a guide wheel 11, the guide wheel 11 is rotatably mounted on the top of the lifting frame 1, and the weight of the traction counterweight 13 is less than or equal to the total weight of the sliding bracket 3 and the upper structure thereof;

when lifting motor 10 carries out the lifting operation, pull balancing weight 13 and offset some weight on the sliding bracket 3 to the pulling force of sliding bracket 3, lifting motor 10 only need to slide bracket 3 remaining weight and promote on the platform 5 heavy object exert force promote the operation can, labour saving and time saving.

In the embodiment of the present invention, the lifting motor 10 is a servo motor having a forward and reverse rotation function, so as to facilitate adjustment of the rotation direction of the guide sprocket 8 and the lifting of the sliding bracket 3.

In order to ensure that the lifting chain 7 does not slip off from the lifting chain wheel 9 in the lifting process, anti-bouncing wheel guide sleeves 14 are arranged on two sides of the bottom of the lifting chain wheel 9, the anti-bouncing wheel guide sleeves 14 are fixed on the lifting frame 1, the lifting chain 7 is arranged in the anti-bouncing wheel guide sleeves 14 in a penetrating mode, and the lifting chain 7 is prevented from slipping off from the lifting chain wheel 9 under the constraint of the anti-bouncing wheel guide sleeves 14.

Promote 1 bottom of frame and be connected with bearing chassis 15, bearing chassis 15 is located sliding bracket 3's below, in order to avoid sliding bracket 3 and bearing chassis 15 to take place the striking, install damping spring 16 on the bearing chassis 15, when sliding bracket 3 moves to bearing chassis 15 top, earlier with damping spring 16 contact, the shock attenuation is effectual.

The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive faculty, and such will fall within the scope of the invention.

Claims

1. The utility model provides a jack-up formula sprocket lifting machine device, includes lifting frame (1), promotes guide rail (2), sliding bracket (3), promotes platform (5) and vertical sprocket assembly (6), its characterized in that, lifting frame (1) back mounted has promotion guide rail (2), and sliding bracket (3) slide to set up on promoting guide rail (2), and lifting platform (5) are connected in sliding bracket (3), vertical sprocket assembly (6) are installed to sliding bracket (3) top, and promotion chain (7) of vertical sprocket assembly (6) are connected with sliding bracket (3), and traction balancing weight (13) are connected through protection chain (12) in sliding bracket (3) upper end.

2. Lifting sprocket lifting mechanism as defined in claim 1, characterized in that the lifting rails (2) are two sets and are arranged upright and parallel to each other, the lifting rails (2) being fixed to the lifting frame (1) at both the top and the bottom.

3. Lifting sprocket lifting mechanism according to claim 2, characterized in that the sliding bracket (3) is connected with a guide rail sleeve (4), and the guide rail sleeve (4) is sleeved on the lifting guide rail (2).

4. Lifting sprocket lifting mechanism according to claim 3, wherein the guide rail sleeve (4) is adapted to fit over the lifting guide rail (2), and wherein the guide rail sleeve (4) is fixed at both ends to the sliding bracket (3) by means of screws.

5. Jack sprocket lifting mechanism according to claim 4, characterized in that the guide rail housing (4) is mounted on the rear side of the sliding carriage (3) and the lifting platform (5) is attached to the front side of the sliding carriage (3).

6. Lifting sprocket lifting mechanism as in any of claims 1 to 5, wherein the vertical sprocket assembly (6) further comprises a guide sprocket (8), a lifting sprocket (9) and a lifting motor (10).

7. Lifting sprocket lifting mechanism as in claim 6, characterized in that the lifting chain (7) is mounted on the back of the sliding carriage (3), the top of the lifting chain (7) being mounted on the lifting sprocket (9) and the bottom of the lifting chain (7) being mounted on the guiding sprocket (8).

8. Lifting sprocket lifting mechanism as in claim 7, wherein the lifting chain (7) is tensioned between the guide sprocket (8) and the lifting sprocket (9), and the lifting chain (7) is fixedly connected to the back of the sliding carriage (3).

9. Lifting sprocket lifting mechanism as defined in claim 8, characterized in that the axle of the lifting sprocket (9) is connected to the motor shaft of a lifting motor (10), which lifting motor (10) is mounted on the lifting frame (1).

10. Lifting sprocket lifting mechanism as defined in claim 1, wherein the lifting sprocket (9) is provided with anti-bouncing guide sleeves (14) on both sides of the bottom, the anti-bouncing guide sleeves (14) are fixed on the lifting frame (1), and the lifting chain (7) is inserted into the anti-bouncing guide sleeves (14).