CN212609241U

CN212609241U - Pulling device

Info

Publication number: CN212609241U
Application number: CN202021196675.5U
Authority: CN
Inventors: 余建业; 唐伟; 王卫宇; 杨育峰; 左赛虎; 李星宇; 余晓燕; 梅才涛
Original assignee: Shaanxi Nonferrous Tianhongruike Silicon Material Co ltd
Current assignee: Shaanxi Nonferrous Tianhongruike Silicon Material Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-02-26
Anticipated expiration: 2030-06-24

Abstract

The embodiment of the utility model provides a pulling device, including support, execution wheel, drive assembly and drive assembly; the actuating wheel is fixedly arranged on the transmission assembly, and the transmission assembly is rotatably connected with the bracket; the driving assembly is fixedly connected with the transmission assembly. When the pulling device is applied to the chain block, a chain of the chain block hung with a heavy object can be attached or fixed with a wheel groove of the execution wheel, and then the driving assembly drives the execution wheel to rotate so as to wind the chain on the execution wheel, so that the heavy object is lifted. The chain that this pulling device can stimulate chain block fast promotes the heavy object, not only replaces artifical pulling chain, has improved work efficiency moreover.

Description

Pulling device

Technical Field

The utility model relates to the technical field of machinery, concretely relates to pulling device.

Background

In the production and manufacturing process, heavy objects are often required to be carried or lifted, wherein the chain block is widely applied to lifting of various heavy objects, and the chain block is used for lifting the heavy objects by continuously and manually pulling a chain of the block in a reciprocating manner.

In the process of implementing the present invention, the inventor finds that there are at least the following problems in the prior art: when the chain of chain block through artifical continuous reciprocal pulling block promoted the heavy object, not only working strength is big, and is inefficient moreover.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a pulling device to when solving among the prior art chain block and continuously reciprocating the chain that stimulates the calabash through the manual work and promote the heavy object, not only working strength is big, the problem of inefficiency moreover.

In order to achieve the above object, an embodiment of the present invention provides a pulling device, which includes a bracket, an actuating wheel, a transmission assembly and a driving assembly; the actuating wheel is fixedly arranged on the transmission assembly, and the transmission assembly is rotatably connected with the bracket; the driving assembly is fixedly connected with the transmission assembly.

Optionally, the pulling device further includes a guide wheel, the guide wheel is rotatably disposed on the bracket, and a wheel groove center of the guide wheel and a wheel groove center of the actuating wheel are located on the same straight line.

Optionally, in the above pulling device, the driving assembly includes a connecting wheel and a connecting shaft; one end of the connecting shaft is fixedly connected with the transmission assembly, and the connecting wheel is fixedly arranged on the connecting shaft.

Optionally, in the above pulling device, the connecting wheel is a sprocket.

Optionally, in the above pulling device, the connecting shaft is a hexagonal shaft.

Optionally, in the above pulling device, the support includes a first support seat, a second support seat, and a support arm; the transmission assembly is respectively connected with the first support and the second support in a rotating manner, and the execution wheel is positioned between the first support and the second support; the support arm is fixedly connected with the first support or the second support, and the guide wheel is rotatably arranged on the support arm.

Optionally, in the pulling device, the support arm includes a connecting arm and a rotating arm; the connecting arm is fixedly connected with the first support or the second support, the rotating arm is fixedly connected with the connecting arm, and the rotating arm is perpendicular to the connecting arm; the guide wheel is rotatably arranged on the rotating arm.

Optionally, in the above pulling device, the transmission assembly includes a rotating shaft; the rotating shaft is rotatably connected with the support, the execution wheel is fixedly arranged on the rotating shaft, and the driving assembly is fixedly connected with one end of the rotating shaft.

Optionally, in the above pulling device, the transmission assembly further includes a bearing assembly, and the bearing assembly is disposed between the rotating shaft and the bracket.

Optionally, in the above-mentioned pulling device, the number of the guide wheels is two, and the two guide wheels are respectively disposed on two sides of the actuating wheel.

According to the technical scheme of the utility model, an embodiment in the above-mentioned utility model has following advantage or beneficial effect: when the pulling device is applied to the chain block, a chain of the chain block hung with a heavy object can be attached or fixed with a wheel groove of the execution wheel, and then the driving assembly drives the execution wheel to rotate so as to wind the chain on the execution wheel, so that the heavy object is lifted. The chain that this pulling device can stimulate chain block fast promotes the heavy object, not only replaces artifical pulling chain, has improved work efficiency moreover.

Further effects of the above-mentioned non-conventional alternatives will be described below in connection with the embodiments.

Drawings

The accompanying drawings are included to provide a better understanding of the present invention and are not intended to constitute an undue limitation on the invention. Wherein:

fig. 1 is a schematic view of a first view angle of an embodiment of a pulling device according to the present invention;

fig. 2 is a schematic view of a second perspective of an embodiment of a pulling device according to the present invention;

fig. 3 is a schematic structural diagram of a third viewing angle of an embodiment of the pulling device of the present invention.

Wherein the figures include the following reference numerals:

1-bracket, 11-first support, 12-second support, 13-support arm, 131-connecting arm, 132-rotating arm, 2-actuating wheel, 21-lightening hole, 3-transmission component, 31-rotating shaft, 32-bearing component, 4-driving component, 41-connecting wheel, 42-connecting shaft and 5-guide wheel.

Detailed Description

Exemplary embodiments of the invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

As shown in fig. 1 to 3, an embodiment of the present invention provides a pulling device, which includes a bracket 1, an actuating wheel 2, a transmission assembly 3 and a driving assembly 4; the actuating wheel 2 is fixedly arranged on the transmission component 3, and the transmission component 3 is rotationally connected with the bracket 1; the driving component 4 is fixedly connected with the transmission component 3.

In the above embodiment, the center of the actuating wheel 2 is fixedly mounted on the transmission assembly 3, and the actuating wheel 2 is rotatably connected with the bracket 1 through the transmission assembly 3. The driving assembly 4 is externally connected with a driving device, and the execution wheel 2 can rotate on the bracket 1 under the driving of the driving device. After one end of the flexible rope-shaped structure such as the chain or the rope fixed with the object is attached to or fixed with the wheel groove of the execution wheel 2, the execution wheel 2 is rotated, so that the flexible rope-shaped structure such as the chain or the rope can be wound on the execution wheel 2, and the object is pulled. When the pulling device is applied to the chain block, a chain of the chain block suspended with a heavy object can be attached or fixed to a wheel groove of the execution wheel 2, and then the driving device drives the driving assembly 4 to rotate, so that the execution wheel 2 rotates to wind the chain on the execution wheel 2, and further the heavy object is lifted. The chain that this pulling device can stimulate chain block fast promotes the heavy object, not only replaces artifical pulling chain, has improved work efficiency moreover.

In order to more accurately wind the chain around the actuating wheel 2, as shown in fig. 1, in an embodiment of the present invention, the chain guiding device further includes a guiding wheel 5, the guiding wheel 5 is rotatably disposed on the bracket 1, and the center of the wheel groove of the guiding wheel 5 is aligned with the center of the wheel groove of the actuating wheel 2. The guide wheel 5 can guide the chain, assist the chain to wind on the actuating wheel 2, and then more stably pull the lifting weight. In order to facilitate the use of the present pulling device, in an embodiment of the present invention, the number of the guide wheels 5 is two, and the two guide wheels 5 are respectively disposed on two sides of the actuating wheel 2, and the two guide wheels 5 are respectively disposed with the actuating wheel 2.

To facilitate the external connection of the driving device, as shown in fig. 2, in an embodiment of the present invention, the driving assembly 4 includes a connecting wheel 41 and a connecting shaft 42; the connecting shaft 42 is fixedly connected with the transmission assembly 3, and the connecting wheel 41 is fixedly arranged on the connecting shaft 42. The center of the connecting wheel 41 is fixedly arranged on the connecting shaft 42, the connecting wheel 41 is used for being externally connected with a motor and other devices, and the connecting shaft 42 is used for being externally connected with a pneumatic wrench and other tools, so that the using occasions of the device are enlarged. Preferably, in an embodiment of the present invention, the connecting wheel 41 is a sprocket, and the driving device can employ a motor, that is, the motor is connected to the connecting wheel 41 through a transmission chain to drive the connecting wheel 41 to rotate, wherein the sprocket is a standard pitch, and a special sprocket can be provided for a non-standard or large transmission chain. Meanwhile, the connecting shaft 42 is a hexagonal shaft, and correspondingly, the driving device can adopt a pneumatic wrench, that is, the pneumatic wrench is connected with the connecting shaft 42 through a sleeve to drive the connecting wheel 41 to rotate. In addition, the device is mainly applied to the maintenance operation of a chemical plant which is always provided with an air source and a pneumatic wrench, so that the connecting shaft 42 is designed to be hexagonal.

In order to make the structure of the device more stable, as shown in fig. 1 to 3, in an embodiment of the present invention, the stand 1 includes a first support 11, a second support 12 and a support arm 13; the transmission assembly 3 is respectively connected with the first support 11 and the second support 12 in a rotating way, and the execution wheel 2 is positioned between the first support 11 and the second support 12; the support arm 13 is fixedly connected with the first support 11 or the second support 12, and the guide wheel 5 is rotatably arranged on the support arm 13. The first support 11 and the second support 12 are arranged on both sides of the actuator wheel 2, i.e. the actuator wheel 2 rotates between the first support 11 and the second support 12, which ensures a smooth operation of the device. The support arm 13 is used for installing the guide wheel 5, and the wheel groove center of the guide wheel 5 and the wheel groove center of the actuating wheel 2 are positioned on the same straight line. The arm 13 may be fixed to the first support 11 or to the second support 12. In addition, the first support 1 and the second support 12 can be connected through a fixing part, and the first support 1 and the second support 12 can also be disconnected and only respectively connected with the transmission assembly 3 in a rotating way.

In order to better guide the guide wheel 5, as shown in fig. 2, in an embodiment of the present invention, the arm 13 includes a connecting arm 131 and a rotating arm 132; the connecting arm 131 is fixedly connected with the first support 11 or the second support 12, the rotating arm 132 is fixedly connected with the connecting arm 131, and the rotating arm 132 is perpendicular to the connecting arm 131; the guide wheel 5 is rotatably provided on the rotating arm 132. By arranging the connecting arm 131 in parallel with the first support 11 or the second support 12 and arranging the rotating arm 132 perpendicular to the connecting arm 131, it is possible to ensure that the center of the wheel groove of the guide wheel 5 is aligned with the center of the wheel groove of the actuator wheel 2. In one embodiment of the present invention, the number of the guide wheels 5 is two, and correspondingly, the number of the support arms 13 is also two, and the two support arms 13 are respectively fixedly disposed on the first support 11 and the second support 12.

In order to make the execution wheel 2 rotate smoothly, as shown in fig. 1, in one embodiment of the present invention, the transmission assembly 3 includes a rotating shaft 31; the rotating shaft 31 is rotatably connected with the bracket 1, the actuating wheel 2 is fixedly arranged on the rotating shaft 31, and the driving assembly 4 is fixedly connected with one end of the rotating shaft 31. The two ends of the rotating shaft 31 are rotatably connected with the first support 11 and the second support 12, respectively, one end of the connecting shaft 42 is fixedly connected with one end of the rotating shaft 31, and the rotating shaft 31 is driven by the rotation of the connecting shaft 42, so that the actuating wheel 2 rotates. Wherein, in an embodiment of the present invention, the present invention further comprises a bearing assembly 32, and the bearing assembly 32 is disposed between the rotating shaft 31 and the bracket 1. That is, the rotating shaft 31 is rotatably coupled to the first holder 11 and the second holder 12 through bearings. In addition, in order to reduce the weight of the device, the execution wheel 2 is provided with lightening holes 21, the number of the lightening holes 21 is four, and the four lightening holes 21 are uniformly distributed on the execution wheel 2.

The following description will be given of a use process of the pulling device provided by an embodiment of the present invention, taking the application of the pulling device to a chain block as an example.

As shown in fig. 1-3, the present pulling apparatus may be placed on a platform or shelf for use when the apparatus is in use. Wherein, a heavy object is hung at one end of the chain block chain, firstly, the chain passes through the guide wheel 5, the other end of the chain is attached or fixed with the wheel groove of the execution wheel 2, then the pneumatic wrench is fixedly connected with the connecting shaft 42 through the sleeve, and then the pneumatic wrench is started to start working to drive the connecting shaft 42 to rotate, so that the execution wheel 2 rotates to wind the chain on the execution wheel 2, and further the heavy object is lifted. The chain that this pulling device can stimulate chain block fast promotes the heavy object, not only replaces artifical pulling chain, has improved work efficiency moreover.

Therefore, the embodiment of the utility model provides an among the pulling device, when the pulling device was applied to the chain block on, can laminate or fix the chain that hangs the chain block of heavy object with the race of execution wheel 2, then make drive assembly 4 drive execution wheel 2 and rotate, come the chain winding on execution wheel 2, and then make the heavy object mention. The chain that this pulling device can stimulate chain block fast promotes the heavy object, not only replaces artifical pulling chain, has improved work efficiency moreover.

The above detailed description does not limit the scope of the present invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The pulling device is characterized by comprising a bracket (1), an execution wheel (2), a transmission assembly (3) and a driving assembly (4);

the execution wheel (2) is fixedly arranged on the transmission component (3), and the transmission component (3) is rotationally connected with the bracket (1);

the driving component (4) is fixedly connected with the transmission component (3).

2. The pulling device according to claim 1, characterized by further comprising a guide wheel (5), wherein the guide wheel (5) is rotatably arranged on the bracket (1), and the wheel groove center of the guide wheel (5) and the wheel groove center of the actuating wheel (2) are positioned on the same straight line.

3. The pulling device according to claim 1, characterized in that the drive assembly (4) comprises a connecting wheel (41) and a connecting shaft (42);

one end of the connecting shaft (42) is fixedly connected with the transmission assembly (3), and the connecting wheel (41) is fixedly arranged on the connecting shaft (42).

4. A pulling device according to claim 3, characterised in that the connecting wheel (41) is a sprocket wheel.

5. The pulling device according to claim 3, characterized in that the connecting shaft (42) is a hexagonal shaft.

6. A pulling device according to claim 2, characterised in that the stand (1) comprises a first abutment (11), a second abutment (12) and an arm (13);

the transmission assembly (3) is respectively in rotating connection with the first support (11) and the second support (12), and the execution wheel (2) is positioned between the first support (11) and the second support (12);

the support arm (13) is fixedly connected with the first support seat (11) or the second support seat (12), and the guide wheel (5) is rotatably arranged on the support arm (13).

7. The pulling device according to claim 6, characterized in that the arm (13) comprises a connecting arm (131) and a rotating arm (132);

the connecting arm (131) is fixedly connected with the first support (11) or the second support (12), the rotating arm (132) is fixedly connected with the connecting arm (131), and the rotating arm (132) is perpendicular to the connecting arm (131);

the guide wheel (5) is rotatably arranged on the rotating arm (132).

8. The pulling device according to claim 1, characterized in that the transmission assembly (3) comprises a rotation shaft (31);

the rotating shaft (31) is connected with the support (1) in a rotating mode, the execution wheel (2) is fixedly arranged on the rotating shaft (31), and the driving assembly (4) is fixedly connected with one end of the rotating shaft (31).

9. A pulling device according to claim 8, characterised in that the transmission assembly (3) further comprises a bearing assembly (32), the bearing assembly (32) being arranged between the turning shaft (31) and the bracket (1).

10. A pulling device according to claim 2, characterised in that the number of guide wheels (5) is two and that the two guide wheels (5) are arranged on either side of the actuator wheel (2).