CN216271327U

CN216271327U - Rolling platform with positive and negative adjusting function

Info

Publication number: CN216271327U
Application number: CN202122279841.9U
Authority: CN
Inventors: 刘忠; 桑成林; 潘斗斗
Original assignee: Hefei Yamei Technology Co ltd
Current assignee: Hefei Yamei Technology Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-04-12
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a rolling platform with positive and negative regulation functions, which comprises a first bevel gear, a second bevel gear, a third bevel gear and an input shaft, wherein the two sides of the first bevel gear are symmetrically provided with the second bevel gear and the third bevel gear, the second bevel gear is rotatably arranged on a transmission box through a second rotating shaft, the third bevel gear is rotatably arranged on the transmission box through a third rotating shaft, the second rotating shaft is fixedly provided with the second gear, the third rotating shaft is fixedly provided with the third gear, the first bevel gear, the second bevel gear and the third bevel gear are meshed with each other and simultaneously drive the second rotating shaft and the third rotating shaft to rotate, so that the second gear and the third gear rotate in different directions simultaneously, and the rotating direction of a rotating roller can be changed due to the arrangement of the second bevel gear and the third bevel gear which are opposite, so that the moving direction of an object placed on the rolling platform is changed, the purpose of commutation is realized.

Description

Rolling platform with positive and negative adjusting function

Technical Field

The utility model relates to a rolling platform, in particular to a rolling platform with a positive and negative adjusting function, and belongs to the technical field of transfer equipment.

Background

The rolling platform is a platform with a rolling surface, is usually used for transferring articles, and is widely used in many occasions due to low friction consumption and high conveying efficiency. The patent document with the publication number of CN 201264294Y discloses a rolling type working platform of a footpath stone striping machine, which comprises a working platform fixed on a machine body, wherein the working surface of the working platform is a rolling type working platform surface with a rolling surface, in the design, the footpath stone changes sliding friction into rolling friction on the working platform surface, thereby reducing the abrasion of the working platform surface, avoiding frequent production halt and replacement of the working platform surface, and simultaneously improving the processing quality of products.

However, such a rolling platform cannot change the rolling direction of an object placed on the rolling platform, and thus has a certain limitation in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rolling platform with positive and negative adjusting functions.

The purpose of the utility model can be realized by the following technical scheme: a rolling platform with positive and negative adjusting function comprises a rolling platform, wherein a transmission case is arranged on one side of the rolling platform, a positive and negative rotation transmission mechanism and a belt pulley group are arranged in the transmission case, the belt pulley group is rotatably installed on the side wall of the transmission case, the positive and negative rotation transmission mechanism comprises a motor, a first bevel gear is fixedly installed on an output shaft of the motor, a second bevel gear and a third bevel gear are symmetrically arranged on two sides of the first bevel gear, both the second bevel gear and the third bevel gear are meshed with the first bevel gear, the second bevel gear is rotatably installed on the inner side wall of the transmission case through a second rotating shaft, the third bevel gear is rotatably installed on the inner side wall of the transmission case through a third rotating shaft, a second gear is fixedly installed on the second rotating shaft, a third gear is fixedly installed on the third rotating shaft, and a first gear is arranged on one side of the second gear and the third gear, the transmission case is characterized in that a telescopic sleeve is rotatably arranged on the inner side wall of the transmission case, the first gear is fixedly arranged on the telescopic sleeve, the first gear can be meshed with the second gear or the third gear, and the telescopic sleeve is rotatably connected with the input shaft through a pulley group.

Further, the rolling platform includes braced frame, braced frame's inboard is provided with the live-rollers, the live-rollers rotates and installs on braced frame's inside wall, wherein some live-rollers fixedly connected with runs through braced frame's first pivot, the fixed belt pulley that is provided with in the first pivot, rotate through the belt between the belt pulley and connect, fixedly connected with input shaft on one of them belt pulley, the input shaft runs through the transmission case and is connected with just reversing drive mechanism through the pulley group.

Further, the second bevel gear and the third bevel gear are oppositely arranged and face in opposite directions.

Further, the telescopic tube includes the dwang, the outside of dwang is rotated the cover and is equipped with first sleeve pipe, be provided with the spacing key along the axial on the first sheathed tube inner wall, set up the recess with spacing key mutual adaptation on the lateral wall of dwang, first sheathed tube one end is rotated and is connected with the second sleeve pipe, first gear fixed mounting is on first sleeve pipe, the second sleeve pipe runs through the transmission case.

Furthermore, the one end of second sheathed tube is provided with the connecting piece, the annular of the mutual adaptation with the connecting piece is seted up to the one end of first sheathed tube, the connecting piece rotates and sets up in the annular.

Furthermore, a rotating handle is fixedly connected to the second sleeve.

Further, the inboard bottom fixed mounting of transmission case has the riser, one side fixed mounting of riser has the diaphragm, motor fixed mounting is at the top of diaphragm.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the rolling platform is used, the output shaft of the motor rotates to drive the first bevel gear to rotate, the first bevel gear, the second bevel gear and the third bevel gear are meshed with each other and simultaneously drive the second rotating shaft and the third rotating shaft to rotate, so that the second gear and the third gear rotate in different directions simultaneously, and the rotating direction of the rotating roller can be changed due to the arrangement of the second bevel gear and the third bevel gear which are opposite, so that the moving direction of an object placed on the rolling platform is changed, and the purpose of reversing is realized;

2. according to the utility model, the first sleeve and the second sleeve are rotatably connected, so that the second sleeve cannot rotate along with the first sleeve when the first sleeve rotates, and the part of the second sleeve, which is positioned outside the transmission case, cannot rotate, thereby reducing the possibility of mechanical injury to human body when in use.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic structural view of the telescopic tube of the present invention when pulled out;

FIG. 4 is a schematic structural view of a forward and reverse rotation transmission mechanism according to the present invention;

FIG. 5 is a schematic view of the first sleeve and the rotating lever according to the present invention;

fig. 6 is a partial structural view of the telescopic tube of the present invention.

In the figure: 1. rolling the platform; 101. a support frame; 102. a rotating roller; 103. a belt; 104. a belt pulley; 105. an input shaft; 2. a support frame; 3. a transmission case; 301. rotating the handle; 4. a forward and reverse rotation transmission mechanism; 401. a motor; 402. a first bevel gear; 403. a third gear; 404. a third bevel gear; 405. a first gear; 407. a second bevel gear; 408. a second gear; 5. a pulley set; 6. a vertical plate; 7. a transverse plate; 8. a telescopic sleeve; 801. a first sleeve; 802. a limiting key; 803. a second sleeve; 804. a groove; 805. a connecting member; 806. rotating the rod.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a rolling platform with positive and negative adjustment function includes a rolling platform 1, the rolling platform 1 includes a supporting frame 101, a plurality of rotating rollers 102 are disposed on an inner side of the supporting frame 101 and are equidistantly arranged, two ends of the rotating rollers 102 are rotatably mounted on an inner side wall of the supporting frame 101, wherein one end of a part of the rotating rollers 102 is fixedly connected with a first rotating shaft penetrating through the supporting frame 101, a belt pulley 104 is fixedly disposed on the first rotating shaft, the belt pulleys 104 are rotatably connected with each other through a belt 103, one of the belt pulleys 104 is fixedly connected with an input shaft 105, a transmission case 3 is disposed on one side of the rolling platform 1, a positive and negative rotation transmission mechanism 4 and a belt pulley group 5 are disposed in the transmission case 3, the input shaft 105 penetrates through the transmission case 3 and is connected with the positive and negative rotation transmission mechanism 4 through the belt pulley group 5, the pulley set 5 is rotatably arranged on the side wall of the transmission case 3;

the forward and reverse rotation transmission mechanism 4 comprises a motor 401, a vertical plate 6 is fixedly installed at the bottom of the inner side of the transmission case 3, a horizontal plate 7 is fixedly installed at one side of the vertical plate 6, the motor 401 is fixedly installed at the top of the horizontal plate 7, a first bevel gear 402 is fixedly installed on an output shaft of the motor 401, a second bevel gear 407 and a third bevel gear 404 are symmetrically arranged at two sides of the first bevel gear 402, the second bevel gear 407 and the third bevel gear 404 are oppositely arranged and face opposite directions, the second bevel gear 407 and the third bevel gear 404 are both meshed with the first bevel gear 402, the second bevel gear 407 is rotatably installed on the inner side wall of the transmission case 3 through a second rotating shaft, the third bevel gear 404 is rotatably installed on the inner side wall of the transmission case 3 through a third rotating shaft, a second gear 408 is fixedly installed on the second rotating shaft, and a third gear 403 is fixedly installed on the third rotating shaft, a first gear 405 is arranged on one side of the second gear 408 and one side of the third gear 403, a telescopic sleeve 8 is rotatably arranged on the inner side wall of the transmission case 3, the first gear 405 is fixedly arranged on the telescopic sleeve 8, the first gear 405 can be meshed with the second gear 408 or the third gear 403, and the input shaft 105 is rotatably connected with the telescopic sleeve 8 through a pulley group 5;

the telescopic sleeve 8 comprises a rotating rod 806, a first sleeve 801 is sleeved on the outer side of the rotating rod 806, the first sleeve 801 and the rotating rod 806 are in transition fit, a limit key 802 is axially arranged on the inner wall of the first sleeve 801, the limit key 802 and the first sleeve 801 are integrally formed, a groove 804 matched with the limit key 802 is formed in the side wall of the rotating rod 806, one end of the first sleeve 801 is rotatably connected with a second sleeve 803, the first gear 405 is fixedly mounted on the first sleeve 801, and the second sleeve 803 penetrates through the transmission case 3 and is fixedly connected with the rotating handle 301;

one preferable scheme of the telescopic sleeve 8 is that one end of the second sleeve 803 is provided with a connecting piece 805, the connecting piece 805 is in a barb shape, the connecting piece 805 and the second sleeve 803 are designed to be integrally formed, one end of the first sleeve 801 is provided with a ring groove matched with the connecting piece 805, the connecting piece 805 is rotatably arranged in the ring groove, the connecting piece 805 and the ring groove are in clearance fit, and the second sleeve 803 penetrates through the transmission case 3 and is fixedly connected with a rotating handle 301;

the rolling platform 1 and the transmission case 3 are both fixedly installed on the ground through the support frame 2.

The working principle is as follows: when the rolling platform is used, the output shaft of the motor 401 rotates to drive the first bevel gear 402 to rotate, the first bevel gear 402 is meshed with the second bevel gear 407 and the third bevel gear 404 and drives the second rotating shaft and the third rotating shaft to rotate, so that the second gear 408 and the third gear 403 rotate in different directions, then the first gear 405 is meshed with the second gear 408 or the third gear 403, so that the input shaft 105 is driven to rotate through the pulley group 5, the input shaft 105 rotates to drive one of the pulleys 104 to rotate, then the belt 103 drives a plurality of pulleys 104 mounted on the rotating rollers 102 to rotate, so that the transmission platform achieves the purpose of transmitting objects in one direction, when the transmission direction of the objects needs to be reversed, the telescopic sleeve 8 is pulled out or pushed in under the premise that the motor 401 stops operating, so that the first gear 405 is meshed with the second gear 408 or the third gear 403, due to the arrangement of the second bevel gear 407 and the third bevel gear 404 which are opposite to each other, the rotating direction of the rotating roller 102 is changed, so that the moving direction of the object placed on the rolling platform is changed, and the purpose of reversing is achieved. According to the utility model, the first sleeve 801 and the second sleeve 803 are rotatably connected by arranging the first sleeve 801 and the second sleeve 803, so that the second sleeve 803 cannot rotate along with the first sleeve 801 when the first sleeve 801 rotates, and the part of the second sleeve 803 positioned outside the transmission case 3 cannot rotate, so that the possibility of mechanical injury to a human body in use is reduced, and the rotating rod 806 can rotate along with the first sleeve 801 due to the limitation of the limit key 802, so that the purpose of transmission is realized.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The rolling platform with the positive and negative adjusting function comprises a rolling platform (1) and is characterized in that a transmission case (3) is arranged on one side of the rolling platform (1), a positive and negative rotation transmission mechanism (4) and a belt pulley set (5) are arranged in the transmission case (3), the belt pulley set (5) is rotatably installed on the side wall of the transmission case (3), the positive and negative rotation transmission mechanism (4) comprises a motor (401), a first bevel gear (402) is fixedly installed on an output shaft of the motor (401), a second bevel gear (407) and a third bevel gear (404) are symmetrically arranged on two sides of the first bevel gear (402), the second bevel gear (407) and the third bevel gear (404) are both meshed with the first bevel gear (402), and the second bevel gear (407) is rotatably installed on the inner side wall of the transmission case (3) through a second rotating shaft, third bevel gear (404) rotates through the third pivot and installs on the inside wall of transmission case (3), and fixed mounting has second gear (408) in the second pivot, and fixed mounting has third gear (403) in the third pivot, one side of second gear (408) and third gear (403) is provided with first gear (405), rotate on the inside wall of transmission case (3) and install telescope tube (8), first gear (405) fixed mounting is on telescope tube (8), first gear (405) and second gear (408) or third gear (403) meshing, telescope tube (8) rotate with input shaft (105) through pulley group (5) and are connected.

2. The rolling platform with the forward and backward adjusting function according to claim 1, wherein the rolling platform (1) comprises a supporting frame (101), a rotating roller (102) is arranged on the inner side of the supporting frame (101), the rotating roller (102) is rotatably mounted on the inner side wall of the supporting frame (101), a part of the rotating roller (102) is fixedly connected with a first rotating shaft penetrating through the supporting frame (101), a belt pulley (104) is fixedly arranged on the first rotating shaft, the belt pulleys (104) are rotatably connected through a belt (103), an input shaft (105) is fixedly connected on one of the belt pulleys (104), and the input shaft (105) penetrates through a transmission case (3) and is connected with the forward and backward transmission mechanism (4) through a belt pulley set (5).

3. The rolling platform with positive and negative adjustment function according to claim 1, wherein the second bevel gear (407) and the third bevel gear (404) are oppositely arranged and oppositely oriented.

4. The rolling platform with the positive and negative adjusting function according to claim 1, characterized in that the telescopic tube (8) comprises a rotating rod (806), the outer side of the rotating rod (806) is rotatably sleeved with a first sleeve (801), a limit key (802) is axially arranged on the inner wall of the first sleeve (801), a groove (804) matched with the limit key (802) is formed in the side wall of the rotating rod (806), one end of the first sleeve (801) is rotatably connected with a second sleeve (803), the first gear (405) is fixedly mounted on the first sleeve (801), and the second sleeve (803) penetrates through the transmission case (3).

5. The rolling platform with forward and backward adjustment function according to claim 4, wherein one end of the second sleeve (803) is provided with a connecting piece (805), one end of the first sleeve (801) is provided with a ring groove matched with the connecting piece (805), and the connecting piece (805) is rotatably arranged in the ring groove.

6. The rolling platform with positive and negative adjustment function according to claim 4, characterized in that a rotating handle (301) is fixedly connected to the second sleeve (803).

7. The rolling platform with the positive and negative adjusting function according to claim 1, wherein a vertical plate (6) is fixedly mounted at the bottom of the inner side of the transmission case (3), a transverse plate (7) is fixedly mounted at one side of the vertical plate (6), and the motor (401) is fixedly mounted at the top of the transverse plate (7).