CN216944779U

CN216944779U - Chain sprocket structure of plate chain elevator

Info

Publication number: CN216944779U
Application number: CN202220146304.9U
Authority: CN
Inventors: 王宜平; 何艮生
Original assignee: Anhui Maite Electromechanical Technology Co ltd
Current assignee: Anhui Maite Electromechanical Technology Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-07-12
Anticipated expiration: 2032-01-19

Abstract

The utility model relates to the technical field of chain sprockets, in particular to a chain sprocket structure of a plate chain hoister, which comprises two groups of chains and four sprockets, wherein the four sprockets are respectively arranged at two sides inside the two groups of chains, a rotating shaft is respectively connected between every two sprockets which are respectively a group, a bearing is fixedly sleeved outside one of the rotating shafts, a U-shaped plate is arranged between one sides of the two bearings, the middle part of the U-shaped plate is connected with a screw rod, the other end of the screw rod is connected with a transmission assembly, one side of the transmission assembly is connected with a transmission shaft, and one end of the transmission shaft is provided with a hand wheel for driving the transmission shaft to rotate. According to the chain tensioning device, the transmission assembly can be driven to rotate through the transmission shaft only by rotating the hand wheel, the transmission assembly drives the screw rod to rotate, and the U-shaped plate arranged outside the screw rod moves slightly back and forth, so that the chain tensioning work can be realized, the condition that the chain is loosened is avoided, and the condition that the chain is separated from the chain wheel due to the loosening is avoided.

Description

Chain sprocket structure of plate chain elevator

Technical Field

The utility model relates to the technical field of chain sprockets, in particular to a chain sprocket structure of a plate chain hoister.

Background

The plate chain hoister is suitable for transporting materials in medium and large block shapes, has the advantages of convenience in operation and maintenance, few easily-damaged parts, low use cost and the like, and is widely applied to the transportation industry.

The chain sprocket is as the drive structure of flat link chain lifting machine, and the condition that the chain breaks away from the sprocket will appear if not carrying out tensioning work to it in the condition that the chain can appear slackening along with long-time transportation rotation back. Although the existing tensioning mechanism for the chain of the plate chain hoist still has the defects that the operation is troublesome due to the complex structure. Therefore, the chain and chain wheel structure of the plate chain hoist is improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a chain and chain wheel structure of a plate chain hoister, which comprises two groups of chains and four chain wheels, wherein the four chain wheels are respectively arranged at two sides inside the two groups of chains, a rotating shaft is respectively connected between every two chain wheels as one group, a bearing is fixedly sleeved outside one rotating shaft, a U-shaped plate is arranged between one side of each bearing, the middle part of the U-shaped plate is connected with a screw, the other end of the screw is connected with a transmission assembly, one side of the transmission assembly is connected with a transmission shaft, and one end of the transmission shaft is provided with a hand wheel for driving the transmission shaft to rotate.

As a preferred technical scheme of the utility model, two groups of chains are respectively arranged at two sides inside a frame of the plate chain hoist, a motor is arranged at the corner of one side outside the frame in a sliding manner, an output shaft of the motor is fixedly connected with one end of one rotating shaft penetrating through the middle part of a chain wheel through a coupling, and the chain wheel at the other end of the rotating shaft is connected with the corner of one side inside the frame in a sliding manner.

As a preferred technical scheme of the utility model, one side of each of the two groups of chain outer plates is connected with a baffle plate, and a support plate is connected between the baffle plates of the two chains.

As a preferable technical scheme of the utility model, the middle part of the U-shaped plate is provided with a screw hole, one end of the screw rod penetrates through the screw hole of the U-shaped plate and is arranged at the other side of the U-shaped plate, one end of the screw rod is fixedly provided with anti-falling blocks, and the diameter of each anti-falling block is larger than that of the screw rod.

As a preferred technical scheme of the utility model, the transmission assembly comprises a driving bevel gear and a driven bevel gear, the driving bevel gear is in meshing transmission connection with the driven bevel gear, the middle part of one side of the driving bevel gear is fixedly connected with the other end of the transmission shaft, and the middle part of one side of the driven bevel gear is fixedly connected with the other end of the screw rod.

According to a preferred technical scheme, the middle of the screw is rotatably sleeved with a limiting plate, and two ends of the limiting plate are fixedly connected with two sides of the inner part of the frame of the plate chain hoist respectively.

According to a preferable technical scheme, a shaft sleeve is sleeved outside the transmission shaft, a support rod is fixedly connected to one side of the shaft sleeve, one end of the support rod is fixedly connected with one side of the limiting plate, and the transmission shaft penetrates through a through hole in a frame of the plate chain hoist.

The utility model has the beneficial effects that: this plate chain lifting machine's chain sprocket structure only needs to rotate the hand wheel, can drive assembly through the transmission shaft and rotate, and drive assembly drives the screw rod again and rotates, lets the outside U template of locating the screw rod carry out the small removal of front and back, can realize the tensioning work to the chain, avoids the slack situation to appear in the chain, avoids the chain to lead to appearing the situation that breaks away from with the sprocket because of lax.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a chain sprocket structure of a plate chain hoist according to the present invention;

FIG. 2 is a schematic top plan view of a chain sprocket structure of a plate chain hoist according to the present invention;

fig. 3 is a partially broken cross-rotation enlarged structural schematic diagram of a chain sprocket structure of a plate chain elevator in fig. 1.

In the figure: 1. a chain; 2. a sprocket; 3. a rotating shaft; 4. a U-shaped plate; 5. a screw; 6. a transmission assembly; 61. a drive bevel gear; 62. a driven bevel gear; 7. a drive shaft; 8. a hand wheel; 9. A baffle plate; 10. a carrier plate; 11. an anti-drop block; 12. a limiting plate; 13. a shaft sleeve; 14. a support rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, the chain and sprocket structure of a plate chain elevator of the present invention comprises two groups of chains 1 and four sprockets 2, wherein the four sprockets 2 are respectively installed at two sides inside the two groups of chains 1, the four sprockets 2 are respectively connected with a rotating shaft 3 between two pairs of the sprockets to form a group, a bearing is fixedly sleeved outside one of the rotating shafts 3, a U-shaped plate 4 is arranged between one side of the two bearings, a screw 5 is connected to the middle of the U-shaped plate 4, the other end of the screw 5 is connected with a transmission assembly 6, one side of the transmission assembly 6 is connected with a transmission shaft 7, and a hand wheel 8 for driving the transmission shaft 7 to rotate is installed at one end of the transmission shaft 7.

Two groups of chains 1 are respectively arranged on two sides inside a frame of a plate chain hoist, a motor is arranged at an angle of one side edge outside the frame in a sliding manner, an output shaft of the motor is fixedly connected with one end of one rotating shaft 3 penetrating through the middle part of a chain wheel 2 through a coupler, and the chain wheel 2 at the other end of the rotating shaft 3 is connected with the angle of one side edge inside the frame in a sliding manner; the summary of the actual installation of two groups of chains 1 and four chain wheels 2 on the plate chain hoister is as above; when the two groups of chains 1 are driven to rotate, one pair of motors which are in transmission connection with the chain wheels 2 are started to work, and the two groups of chains 1 are driven by the pair of chain wheels 2 in the frame; through the inside and outside sliding connection of motor and one of them 2 equal flat-link chain hoisting frame frames sides of a pair of sprocket for the rate of tension for two sets of sprocket 2 of follow-up regulation provides the condition.

One side of the outer plates of the two groups of chains 1 is connected with a baffle plate 9, and a support plate 10 is arranged between the baffle plates 9 of the two chains 1; putting an object to be transported on the top of the carrier plate 10, wherein the carrier plate 10 is driven by the two groups of chains 1 to transport the object; the plurality of baffles 9 serve as a barrier to objects.

The transmission assembly 6 comprises a driving bevel gear 61 and a driven bevel gear 62, the driving bevel gear 61 is in meshing transmission connection with the driven bevel gear 62, the middle of one side of the driving bevel gear 61 is fixedly connected with the other end of the transmission shaft 7, and the middle of one side of the driven bevel gear 62 is fixedly connected with the other end of the screw 5; a limiting plate 12 is rotatably sleeved in the middle of the screw 5, and two ends of the limiting plate 12 are fixedly connected with two sides inside the frame of the plate chain hoist respectively; a shaft sleeve 13 is sleeved outside the transmission shaft 7, a support rod 14 is fixedly connected to one side of the shaft sleeve 13, one end of the support rod 14 is fixedly connected with one side of the limiting plate 12, and the transmission shaft 7 penetrates through a through hole in the frame of the plate chain hoist; the situation of lax can take place for long-time rotation of chain 1, at this moment, rotate hand wheel 8, hand wheel 8 drives transmission shaft 7 and rotates, transmission shaft 7 drives the drive bevel gear 61 rotation of one end, drive bevel gear 61 drives driven bevel gear 62 and rotates, driven bevel gear 62 drives screw 5 and rotates, because the middle part of screw 5 rotates the cover and is equipped with limiting plate 12, make screw 5 rotate at the middle part of limiting plate 12, and the screw that U template 4 was passed to screw 5's one end is arranged in its opposite side, thereby let U template 4 rotate at screw 5's outside, let U template 4 promote its sprocket 2 through pivot 3 and remove, and two sets of chains 1 realize the effect of tensioning along with this a pair of sprocket 2's removal.

One end of the screw 5 is fixedly provided with anti-falling blocks 11, and the diameter between the anti-falling blocks 11 is larger than that of the screw 5; the anti-falling block 11 can ensure that the screw 5 is connected with the U-shaped plate 4, and the U-shaped plate 4 is prevented from being separated from the outside of the screw 5.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 by those skilled in the art according to specific situations.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or 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 utility model provides a chain sprocket structure of plate chain lifting machine, includes two sets of chains (1) and four sprocket (2), four sprocket (2) are installed respectively in the inside both sides of two sets of chains (1), four sprocket (2) are two liang respectively and all are connected with pivot (3) between a set of, its characterized in that, the outside fixed cover of one of them pivot (3) is equipped with bearing, two be equipped with U template (4) between one side of bearing, the middle part of U template (4) is connected with screw rod (5), the other end of screw rod (5) is connected with drive assembly (6), one side of drive assembly (6) is connected with transmission shaft (7), its rotatory hand wheel (8) of drive is installed to the one end of transmission shaft (7).

2. The chain sprocket structure of a plate chain lifting machine of claim 1, characterized in that, two sets of said chains (1) are installed respectively at both sides of the frame inside the plate chain lifting machine, a side corner of the frame outside has a motor slidably mounted, the output shaft of the motor is fixedly connected with one end of one of the rotating shafts (3) penetrating the middle of the sprocket (2) through a shaft coupling, the sprocket (2) at the other end of the rotating shaft (3) is slidably connected with the side corner of one side of the frame inside.

3. The chain sprocket structure of a plate chain elevator as claimed in claim 1, wherein one side of the outer plates of two sets of chains (1) is connected with a baffle (9), and a carrier plate (10) is connected between the baffles (9) of the two chains (1).

4. The chain and chain wheel structure of the plate chain elevator as claimed in claim 1, wherein a screw hole is formed in the middle of the U-shaped plate (4), one end of the screw (5) penetrates through the screw hole of the U-shaped plate (4) and is arranged on the other side of the screw, an anti-falling block (11) is fixedly arranged at one end of the screw (5), and the diameter between the anti-falling blocks (11) is larger than that of the screw (5).

5. The chain sprocket structure of a plate chain elevator as claimed in claim 1, wherein the driving assembly (6) comprises a driving bevel gear (61) and a driven bevel gear (62), the driving bevel gear (61) is engaged with the driven bevel gear (62) for driving connection, the middle of one side of the driving bevel gear (61) is fixedly connected with the other end of the driving shaft (7), and the middle of one side of the driven bevel gear (62) is fixedly connected with the other end of the screw (5).

6. The chain sprocket structure of a plate chain elevator, as set forth in claim 1, characterized in that the middle of the screw (5) is rotatably sleeved with a limiting plate (12), and both ends of the limiting plate (12) are fixedly connected with both sides of the inside of the frame of the plate chain elevator, respectively.

7. The chain sprocket structure of a plate chain elevator of claim 1 or 6, characterized in that, the outside cover of transmission shaft (7) is equipped with axle sleeve (13), one side of axle sleeve (13) has linked firmly branch (14), the one end of branch (14) links firmly with one side of limiting plate (12), transmission shaft (7) runs through the through-hole on the plate chain elevator frame.