CN215211214U

CN215211214U - Sprocket drive grooving mechanism

Info

Publication number: CN215211214U
Application number: CN202121165298.3U
Authority: CN
Inventors: 胡雷; 高大诚; 王羽良; 凌炎; 席江岳; 陶海洋; 郑泽林
Original assignee: China Railway Engineering Machinery Research and Design Institute Co Ltd
Current assignee: China Railway Engineering Machinery Research and Design Institute Co Ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-12-17
Anticipated expiration: 2031-05-27

Abstract

The utility model provides a sprocket transmission fluting mechanism relates to ditching machine technical field, sprocket transmission fluting mechanism includes support frame, driving motor, driven gear, sprocket and mills the tooth, install respectively at the both ends of support frame driving motor with driven gear, driving motor with pass through between the driven gear the sprocket transmission is connected, it is a plurality of to have laid on the sprocket mill the tooth, the sprocket is suitable for along with the driving motor transmission in order to drive mill the tooth fluting. The utility model discloses a sprocket transmission grooving mechanism, driving motor drive driven gear and sprocket transmission cut into soil through the milling tooth on the sprocket, compare in current direct adoption chain cutting, and the sharpness is good, can realize the complete cutting to different hardness terranes, and the sprocket rolls up out soil under driving motor's drive simultaneously, and disposable ditching grooving and grooving are effectual, and the efficiency of construction is high.

Description

Sprocket drive grooving mechanism

Technical Field

The utility model relates to a trench digger technical field particularly, relates to a sprocket transmission slotting mechanism.

Background

The ditching machine is a ditching device, and can be used for digging underground ditches in building engineering to embed underground drainage pipelines, or for embedding cables and pipelines in railway, post and telecommunications, urban construction and other departments, and can also be used for ditching, fertilizing, draining and irrigating in orchards, vegetable gardens and other farmland environments. The existing trencher generally adopts a chain trencher, the chain is driven to rotate to cut soil, trenching operation is realized, the chain cannot mill harder rock strata, grooving effect is poor, the groove wall needs to be polished manually or by means of tools again in the later stage, and construction efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sprocket transmission slotting mechanism to solve the poor technical problem of current chain trencher grooving effect.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

the chain tooth transmission slotting mechanism comprises a support frame, a driving motor, a driven gear, chain teeth and milling teeth, wherein the driving motor and the driven gear are installed at two ends of the support frame respectively, the driving motor and the driven gear are connected through the chain teeth in a transmission mode, a plurality of milling teeth are distributed on the chain teeth, and the chain teeth are suitable for being driven by the driving motor to drive the milling teeth to slot.

Sprocket transmission grooving mechanism, driving motor drives driven gear and sprocket transmission, cuts into soil through the milling tooth on the sprocket, compares in current direct adoption chain cutting, the sharpness is good, can realize the complete cutting to different hardness rock stratums, the sprocket rolls up out soil under driving motor's drive simultaneously, once only ditching grooving and grooving are effectual, the efficiency of construction is high.

Optionally, the milling teeth are arranged on the sprocket in a plurality of spaced V-shaped structures with the tips of the V-shaped structures facing in the drive direction of the sprocket.

Optionally, the sprocket drive grooving mechanism further comprises a tensioning device, and the tensioning device is arranged between the sprocket and the support frame to tension the sprocket.

Optionally, the tensioning device includes a base, a roller and a first pin, the base is mounted on the support frame, the base is rotatably connected to the roller through the first pin, and the roller is adapted to abut against the sprocket.

Optionally, the sprocket comprises a plurality of links, and each link is sequentially rotatably connected to form a ring.

Optionally, the chain link includes a cover plate, chain plates and a second pin shaft, the milling teeth are arranged on the cover plate, the chain plates are arranged on two sides of the cover plate, and the adjacent chain plates of the chain link are hinged through the second pin shaft.

Optionally, the sprocket transmission slotting mechanism further comprises a synchronizing shaft, the two driving motors are connected through the synchronizing shaft, and both the two driving motors are in transmission connection with the sprockets.

Optionally, the number of the driven gears is two, the two driven gears are coaxially arranged, and the two driven gears are in transmission connection with the sprocket.

Optionally, the milling teeth are arranged obliquely to the drive direction of the sprocket.

Optionally, the milling teeth on both sides of the sprocket extend radially outside the sprocket to cut the side wall of the milled groove.

Drawings

Fig. 1 is a schematic perspective view of a sprocket drive grooving mechanism according to an embodiment of the present invention;

fig. 2 is a side view of the sprocket drive grooving mechanism according to the embodiment of the present invention;

fig. 3 is a schematic view of an installation structure of a driving motor and a synchronizing shaft according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a link according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a tensioning device according to an embodiment of the present invention.

Description of reference numerals:

1. a support frame; 2. a drive motor; 3. a driven gear; 4. a sprocket; 41. a chain link; 411. a cover plate; 412. a chain plate; 5. milling teeth; 6. a tensioning device; 61. a base; 62. a roller; 63. a first pin shaft; 7. and a synchronizing shaft.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "coupled" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, it should be noted that, in the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", and the like in the embodiments indicate terms of orientation, and are only used for simplifying the positional relationship based on the drawings of the specification, and do not represent that the elements, devices, and the like indicated in the description must operate according to specific orientation and defined operation, method, and configuration, and such terms of orientation do not constitute limitations of the present invention.

Herein, a coordinate system XYZ is provided, wherein a forward direction of the X-axis represents a right direction, a backward direction of the X-axis represents a left direction, a forward direction of the Y-axis represents a front direction, a backward direction of the Y-axis represents a rear direction, a forward direction of the Z-axis represents an upper direction, and a backward direction of the Z-axis represents a lower direction.

As shown in fig. 1-2, the utility model discloses a sprocket transmission slotting mechanism of embodiment, including support frame 1, driving motor 2, driven gear 3, sprocket 4 and mill tooth 5, install respectively at the both ends of support frame 1 driving motor 2 with driven gear 3, driving motor 2 with pass through between the driven gear 3 sprocket 4 transmission is connected, lay a plurality ofly on the sprocket 4 mill tooth 5, sprocket 4 is suitable for along with driving motor 2 transmission is in order to drive mill 5 fluting of tooth.

In this embodiment, the support frame 1 may be a rectangular steel plate, the support frame 1 is provided with a plurality of through grooves, so that the weight of the support frame can be reduced, and the height (along the direction indicated by the Z axis) and the width (along the direction indicated by the X axis) of the support frame 1 can be reasonably designed according to the depth and the width of the dug groove. Of course, the grooving mechanism can be moved horizontally and vertically to realize wide groove and deep groove digging.

The both ends of support frame 1 are connected with respectively drive motor 2 with driven gear 3, install drive gear in drive motor 2's the pivot, drive gear external diameter reaches driven gear 3's external diameter is greater than the height of support frame 1, works as drive gear with pass through between the driven gear 3 when sprocket 4 transmission is connected, sprocket 4 with certain clearance has between the support frame 1, avoids sprocket 4 and support frame 1 contact wear.

The driving motor 2 drives the chain teeth 4 and the driven gear 3 to transmit so as to drive the milling teeth 5 on the chain teeth 4 to cut into soil, complete cutting of rock strata with different hardness can be achieved, meanwhile, the chain teeth 4 roll out the soil under the driving of the driving motor 2, and the ditching and grooving effects are good and the construction efficiency is high.

Optionally, the milling teeth 5 on both sides of the sprocket 4 extend radially outside the sprocket 4 to cut the milling groove side wall.

In this embodiment, be equipped with a plurality of milling teeth 5 on sprocket 4, the milling teeth 5 of 4 left and right sides (the positive and negative direction of X axle) of sprocket 4 outside slope (not shown in the figure), and stretch out sprocket 4 certain length can conveniently mill the arch on the milling flutes lateral wall, solves the present milling flutes lateral wall that directly adopts sprocket transmission to mill the existence and has the bellied technical problem of unevenness.

Optionally, the milling teeth 5 are arranged on the sprocket teeth 4 in a plurality of spaced V-shaped structures with the tips of the V-shaped structures facing in the driving direction of the sprocket teeth 4.

In this embodiment, the milling teeth 5 are divided into a plurality of groups, the plurality of groups of milling teeth 5 are arranged on the sprocket 4 at intervals, the plurality of milling teeth 5 in each group are arranged in a V shape, the tip of the V shape faces the transmission direction of the sprocket 4, and in the transmission process of the sprocket 4, the tip of the milling teeth 5 firstly contacts soil, the soil is peeled off layer by layer from the middle to the two sides, so as to perform the grooving operation, and the grooving efficiency is high. Of course, the milling teeth 5 can also be arranged on the sprocket teeth 4 in other arrangements.

Optionally, the sprocket drive grooving mechanism further comprises a tensioning device 6, wherein the tensioning device 6 is arranged between the sprocket 4 and the support frame 1 to tension the sprocket 4.

In this embodiment, a plurality of tensioning devices 6 are arranged between the sprocket 4 and the support frame 1, the plurality of tensioning devices 6 are arranged at intervals along the transmission direction of the sprocket 4, and the sprocket 4 is tensioned by the tensioning devices 6, so that the sprocket 4 is always kept in a tensioned state, which is beneficial to cutting soil.

Optionally, as shown in fig. 5, the tensioning device 6 includes a base 61, a roller 62 and a first pin 63, the base 61 is mounted on the supporting frame 1, the base 61 is rotatably connected to the roller 62 through the first pin 63, and the roller 62 is adapted to abut against the sprocket 4.

In this embodiment, the base 61 is two opposite vertical plates, the two vertical plates are connected by the first pin 63, the roller 62 is further rotatably connected to the first pin 63, and the bottom of the roller 62 is suspended and does not contact with the support frame 1, so as to avoid limiting the rotation of the roller 62; the axial side wall of the roller 62 is adapted to abut against the sprocket 4, the roller 62 rotating in the sprocket drive direction. In the transmission process of the sprocket 4, the circumferential side wall of the roller 62 is always abutted against the inner side of the sprocket 4 (the side of the sprocket 4 close to the support frame 1).

Optionally, the sprocket 4 includes a plurality of links 41, and each link 41 is sequentially and rotatably connected to form a ring shape.

In this embodiment, the ring-shaped sprocket is sleeved on the driving gear and the driven gear 3, the links 41 are connected end to end in sequence, the width of the link 41 is determined by the width of the groove, and the width (dimension along the X-axis direction) of the link 41 should not be smaller than the width of the support frame 1; the number of links 41 depends on the one hand on the size of the circumferential surface of the support frame 1 and on the other hand on the length (size in the Y-axis direction) of the links 41.

Optionally, as shown in fig. 4, the link 41 includes a cover plate 411, link plates 412 and a second pin, the milling tooth 5 is disposed on the cover plate 411, the link plates 412 are disposed on two sides of the cover plate 411, and the link plates 412 of adjacent link 41 are hinged by the second pin.

In this embodiment, each cover plate 411 is provided with at least one milling tooth 5, so as to improve milling efficiency. When the milling teeth 5 are arranged in a V shape, one or two milling teeth 5 are provided on each cover plate 411, as shown in fig. 1-2.

The apron 411 sets up along the X axle direction, install one respectively the left and right sides (the both sides along the X axle direction) of apron 411 the link joint 412, the link joint 412 is formed with notch and arch respectively in the both sides along the Y axle direction, adjacent two the notch and the protruding looks adaptation of link joint, just the cell wall of notch with all be equipped with the round pin axle hole in the arch, adjacent two the arch of link joint 412 is inserted just through wearing to locate in the notch the second round pin axle in round pin axle hole articulates both together. When two adjacent chain links 41 are flattened, the link plates 412 of two adjacent chain links 41 are abutted.

Optionally, as shown in fig. 3, the sprocket driving slotting mechanism further includes a synchronizing shaft 7, the two driving motors 2 are connected through the synchronizing shaft 7, and both the driving motors 2 are in driving connection with the sprockets 4.

In this embodiment, the synchronizing shaft 7 passes through the support frame 1 along the X-axis direction and is rotationally connected with the support frame 1, two driving motors 2 are respectively arranged on two sides of the synchronizing shaft 7 along the X-axis direction, the two driving motors 2 synchronously drive the sprocket 4 through the synchronizing shaft 7, and the driving motors 2 on two sides are driven and stressed more uniformly at the same time.

Optionally, two driven gears 3 are provided, two driven gears 3 are coaxially arranged, and the two driven gears 3 are both in transmission connection with the sprocket 4.

In this embodiment, the two driven gears 3 drive the sprockets 4 from two sides simultaneously, so that the transmission of the sprockets 4 is more stable, when the width of the sprockets 4 is larger, the sprockets adopt single-side transmission, uneven stress is easily caused, and the transmission is unstable.

Optionally, the milling teeth 5 are arranged obliquely to the drive direction of the sprocket teeth 4.

In this embodiment, the milling teeth 5 are inclined towards the transmission direction of the sprocket 4, the milling teeth 5 and the transmission direction of the sprocket 4 are arranged in an acute angle, the inclination angles of the milling teeth 5 can be set to be consistent, the milling teeth 5 arranged in an inclined manner can conveniently cut into soil, and the grooving efficiency is improved.

Optionally, the sprocket drive grooving mechanism further comprises a wear plate, and the wear plate is arranged on the outer surface of the support frame 1.

In this embodiment, the surface of the support frame 1 is provided with the wear-resisting plate, so that the protection of the support frame 1 can be improved, and the situation that the sprocket 4 is in contact with the support frame 1 in the transmission process and the support frame 1 is worn is avoided.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims

1. The utility model provides a sprocket transmission slotting mechanism, its characterized in that, includes support frame (1), driving motor (2), driven gear (3), sprocket (4) and mills tooth (5), install respectively at the both ends of support frame (1) driving motor (2) with driven gear (3), driving motor (2) with pass through between driven gear (3) sprocket (4) transmission is connected, it is a plurality of to have laid on sprocket (4) mill tooth (5), sprocket (4) are suitable for along with driving motor (2) transmission is in order to drive mill tooth (5) fluting.

2. Sprocket drive grooving mechanism according to claim 1, wherein the milling teeth (5) are arranged on the sprocket (4) in a plurality of spaced V-shaped structures with the tip of the V-shaped structures facing in the drive direction of the sprocket (4).

3. Sprocket drive grooving mechanism according to claim 1, further comprising a tensioning device (6), the tensioning device (6) being disposed between the sprocket (4) and the support bracket (1) to tension the sprocket (4).

4. A sprocket drive grooving mechanism according to claim 3, wherein the tensioner (6) comprises a base (61), a roller (62), and a first pin (63), the base (61) being mounted on the support frame (1), the base (61) being rotatably connected to the roller (62) via the first pin (63), the roller (62) being adapted to abut the sprocket (4).

5. Sprocket drive grooving mechanism according to claim 1, wherein the sprocket (4) comprises a plurality of links (41), each link (41) being rotatably connected in turn around an annulus.

6. The sprocket drive grooving mechanism according to claim 5, wherein the chain link (41) comprises a cover plate (411), a link plate (412) and a second pin, the milling tooth (5) is disposed on the cover plate (411), the link plate (412) is disposed on two sides of the cover plate (411), and the link plates (412) of adjacent chain links (41) are hinged through the second pin.

7. Sprocket drive grooving mechanism according to claim 1, further comprising a synchronizing shaft (7), wherein the two drive motors (2) are connected by the synchronizing shaft (7), and wherein both drive motors (2) are in driving connection with the sprocket (4).

8. The sprocket drive grooving mechanism according to claim 1, wherein two driven gears (3) are provided, the two driven gears (3) are coaxially arranged, and the two driven gears (3) are in drive connection with the sprocket (4).

9. Sprocket drive grooving mechanism according to claim 1, wherein the milling teeth (5) are arranged obliquely to the drive direction of the sprocket (4).

10. Sprocket drive grooving mechanism according to claim 1, wherein the milling teeth (5) on both sides of the sprocket (4) extend radially out of the sprocket (4) to cut a groove sidewall.