阅读说明：本技术 一种链条及传动装置 (Chain and transmission device ) 是由 郑俊卿 于 2021-01-21 设计创作，主要内容包括：本发明公开了一种链条及传动装置,属于机械传动技术领域,该链条包括依次铰接的多组链节,每组链节包括第一链板和第二链板,第一链板的数量为两块,两块第一链板平行间隔设置,两块第一链板之间设有第一加固杆,第二链板的数量为两块,两块第二链板对称分布于两块第一链板的外侧,两块第二链板之间设有第二加固杆,第一链板的一端与第二链板的一端通过第一铰接轴铰接,相邻两组链节中的一组链节的第一链板的一端与另一组链节的第二链板的一端通过第二铰接轴铰接,每组链节的两块第一链板之间设有至少两根传动轴。其结构简单,制作成本低,拆装维护方便。该传动装置传动速度快,传动精度高,噪音小,不易突然坠落,安全性高。(The invention discloses a chain and a transmission device, belonging to the technical field of mechanical transmission, wherein the chain comprises a plurality of groups of chain links which are sequentially hinged, each group of chain links comprises two first chain links and two second chain links, the two first chain links are arranged in parallel at intervals, a first reinforcing rod is arranged between the two first chain links, the two second chain links are arranged at the outer sides of the two first chain links, a second reinforcing rod is arranged between the two second chain links, one end of each first chain link is hinged with one end of each second chain link through a first hinge shaft, one end of each first chain link in two adjacent groups of chain links is hinged with one end of each second chain link in the other group of chain links through a second hinge shaft, and at least two transmission shafts are arranged between the two first chain links in each group of chain links. The structure is simple, the manufacturing cost is low, and the disassembly, assembly and maintenance are convenient. The transmission device has the advantages of high transmission speed, high transmission precision, low noise, difficult sudden falling and high safety.)

1. A chain, characterized by: including articulated multiunit chain link in proper order, every group the chain link includes first link joint and second link joint, the quantity of first link joint is two, two the parallel interval of first link joint sets up two be equipped with first stiffener between the first link joint, the quantity of second link joint is two, two second link joint symmetric distribution is two the outside of first link joint, two be equipped with the second stiffener between the second link joint, the one end of first link joint with the one end of second link joint is articulated through first articulated axle, and adjacent two sets of the one end of the first link joint of a set of chain link in the chain link is articulated through second articulated axle with the one end of the second link joint of another set of chain link, every group two of the chain link be equipped with two piece at least transmission shafts between the first link joint and along the length direction interval distribution of chain.

2. Chain according to claim 1, characterized in that: two of every group the transmission shaft between the first link joint is first transmission shaft and second transmission shaft respectively, the axis of first transmission shaft with the axis coincidence of first articulated shaft, the both ends of first transmission shaft respectively with both sides first articulated shaft is connected, the axis of second transmission shaft with the axis coincidence of second articulated shaft, the both ends of second transmission shaft respectively with both sides the second articulated shaft is connected.

3. The chain according to claim 2, characterized in that: the first articulated shaft with first transmission shaft integrated into one piece, the second articulated shaft with second transmission shaft integrated into one piece.

4. Chain according to claim 1, characterized in that: the first reinforcing rods are detachably connected with the first chain plates, and the second reinforcing rods are detachably connected with the second chain plates.

5. Chain according to claim 1, characterized in that: and first notches are formed in the positions, corresponding to the second reinforcing rods, of the two ends of the first chain plate in the length direction of the chain.

6. Chain according to claim 1, characterized in that: and second notches are formed in the positions, corresponding to the first reinforcing rods, of the two ends of the second chain plate in the length direction of the chain.

7. Chain according to claim 1, characterized in that: and a guide bearing is arranged on the first hinge shaft and/or the second hinge shaft and is positioned at the outer side of the second chain plate.

8. Chain according to claim 1, characterized in that: and the edge of one side of the first chain plate, which is close to the second chain plate, is rounded or chamfered, and/or the edge of one side of the second chain plate, which is close to the first chain plate, is rounded or chamfered.

9. A transmission, characterized by: the chain comprises a transmission case, an upright post, a gear and the chain of any one of claims 1 to 8, wherein a first through hole and a second through hole are formed in the top of the transmission case, two U-shaped guide rails are arranged in the transmission case and are arranged in parallel at intervals, two ends of each U-shaped guide rail correspond to the first through hole and the second through hole, first guide grooves are formed in opposite side surfaces of the two U-shaped guide rails, the first guide grooves extend from one ends of the U-shaped guide rails to the other ends of the U-shaped guide rails, the upright post is vertically arranged at the top of the transmission case and is positioned between the first through hole and the second through hole, a second guide groove is formed in one side of the upright post close to the first through hole, a third guide groove is formed in one side of the upright post close to the second through hole, and the gear is supported in the transmission case through a rotating shaft, one end of the chain penetrates into the transmission case from the first via hole and penetrates out of the second via hole to form a U-shaped structure, the chain bypasses the gear and is meshed with the gear, the chain positioned in the transmission case is in sliding fit with the first guide groove, and two sections of chains positioned outside the transmission case are respectively in sliding fit with the second guide groove and the third guide groove.

10. The transmission of claim 9, wherein: the first hinge shaft and the second hinge shaft on two sides of the chain corresponding to the first guide groove are in sliding fit with the first guide groove, the first hinge shaft and the second hinge shaft on two sides of the chain corresponding to the second guide groove are in sliding fit with the second guide groove, and the first hinge shaft and the second hinge shaft on two sides of the chain corresponding to the third guide groove are in sliding fit with the third guide groove.

Technical Field

The invention belongs to the technical field of mechanical transmission, and particularly relates to a chain and a transmission device.

Background

The lifting device is very widely applied, hydraulic cylinders are commonly used for driving lifting, screw rod lifting, steel wire rope reel lifting and the like in lifting transportation, storage logistics, upper and lower floors in life and the like, and the lifting modes can meet the use requirements to a certain extent. However, these hoisting methods also have their disadvantages, such as easy oil leakage, slow speed, high noise of screw rod hoisting, slow speed, and poor safety of wire rope drum hoisting. At present, the chain is adopted for lifting, but the existing chain is easy to shake left and right when lifting, the stability is poor, and the manufacturing cost is high.

Disclosure of Invention

The invention aims to provide a chain which is simple in structure, convenient to manufacture, not prone to shaking and good in stability when in a linear state.

Another object of the embodiments of the present invention is to provide a transmission device, which has high transmission speed, high transmission precision, low noise, and high safety, and is not easy to drop suddenly.

The embodiment of the invention is realized by the following steps:

embodiments of the present invention provide a chain comprising a plurality of sets of links hinged in sequence, each set of links comprising a first link plate and a second link plate, the number of the first chain plates is two, the two first chain plates are arranged in parallel at intervals, a first reinforcing rod is arranged between the two first chain plates, the number of the second chain plates is two, the two second chain plates are symmetrically distributed at the outer sides of the two first chain plates, a second reinforcing rod is arranged between the two second chain plates, one end of each first chain plate is hinged to one end of each second chain plate through a first hinge shaft, one end of each first chain plate of one group of chain links in the two adjacent groups of chain links is hinged to one end of each second chain plate of the other group of chain links through a second hinge shaft, and at least two transmission shafts are arranged between the two first chain plates of each group of chain links and are distributed at intervals along the length direction of the chain.

Optionally, two of each group of the chain links are arranged between the first chain plates, the transmission shafts are respectively a first transmission shaft and a second transmission shaft, the axis of the first transmission shaft coincides with the axis of the first hinge shaft, two ends of the first transmission shaft are respectively connected with the first hinge shafts on two sides, the axis of the second transmission shaft coincides with the axis of the second hinge shaft, and two ends of the second transmission shaft are respectively connected with the second hinge shafts on two sides.

Optionally, the first hinge shaft and the first transmission shaft are integrally formed, and the second hinge shaft and the second transmission shaft are integrally formed.

Optionally, the first reinforcing rod is detachably connected with the first chain plate, and the second reinforcing rod is detachably connected with the second chain plate.

Optionally, the first link plate is provided with first notches at positions corresponding to the second reinforcing rods at two ends in the length direction of the chain.

Optionally, the second link joint is provided with second notches at positions corresponding to the first reinforcing rods at two ends in the length direction of the chain.

Optionally, a guide bearing is arranged on the first hinge shaft and/or the second hinge shaft, and the guide bearing is located on the outer side of the second chain plate.

Optionally: and the edge of one side of the first chain plate, which is close to the second chain plate, is rounded or chamfered, and/or the edge of one side of the second chain plate, which is close to the first chain plate, is rounded or chamfered.

The embodiment of the invention also provides a transmission device, which comprises a transmission case, an upright post, a gear and the chain, wherein the top of the transmission case is provided with a first via hole and a second via hole, the transmission case is internally provided with two U-shaped guide rails which are arranged in parallel at intervals, two ends of each U-shaped guide rail correspond to the first via hole and the second via hole, the opposite side surfaces of the two U-shaped guide rails are provided with first guide grooves, the first guide grooves extend from one end to the other end of each U-shaped guide rail, the upright post is vertically arranged at the top of the transmission case and is positioned between the first via hole and the second via hole, one side of the upright post close to the first via hole is provided with a second guide groove, one side of the upright post close to the second via hole is provided with a third guide groove, and the gear is supported in the transmission case through a rotating shaft, one end of the chain penetrates into the transmission case from the first via hole and penetrates out of the second via hole to form a U-shaped structure, the chain bypasses the gear and is meshed with the gear, the chain positioned in the transmission case is in sliding fit with the first guide groove, and two sections of chains positioned outside the transmission case are respectively in sliding fit with the second guide groove and the third guide groove.

Optionally, the first guide groove corresponds to the first hinge shaft and the second hinge shaft on both sides of the chain, the first guide groove is in sliding fit with the second guide groove, the second guide groove corresponds to the first hinge shaft and the second hinge shaft on both sides of the chain, and the third guide groove is in sliding fit with the first hinge shaft and the second hinge shaft.

The invention has the beneficial effects that:

the chain provided by the embodiment of the invention has the advantages of simple structure, low manufacturing cost, convenience in disassembly and assembly and maintenance, good rigidity when the chain rotates to a linear state, no outward bending, less possibility of shaking, good stability and high safety.

The transmission device provided by the embodiment of the invention has the advantages of high transmission speed, high transmission precision, low noise, difficulty in sudden falling and high safety.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a chain in a straight line state according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a chain in a bent state according to an embodiment of the present invention;

FIG. 3 is a schematic view of a perspective view of a link;

FIG. 4 is a schematic view of another perspective of the link;

FIG. 5 is a schematic view of the transmission;

FIG. 6 is a schematic view of the transmission case;

fig. 7 is a schematic structural view of the pillar.

In the figure: 10-a chain; 11-chain link; 111-a first link plate; 112-a second link plate; 113-a first reinforcement bar; 114-a second reinforcement bar; 115-a first articulated shaft; 116-a second articulated shaft; 117-first transmission shaft; 118-a second drive shaft; 119-a first notch; 120-a second gap; 121-a guide bearing; 30-a transmission case; 31-U-shaped guide rails; 311-a first guide groove; 40-upright post; 41-a second guide groove; 42-a third guide groove; 50-gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, or orientations or positional relationships conventionally placed when products of the present invention are used, or orientations or positional relationships conventionally understood by those skilled in the art, and are used only for convenience in describing and simplifying the present invention, but do not indicate or imply that the devices or elements referred to 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. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

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; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 and 2, according to one embodiment of the present invention, there is provided a chain 10 including a plurality of sets of links 11 that are sequentially articulated.

Referring to fig. 3 and 4, each set of links 11 includes a first link plate 111 and a second link plate 112.

First link joint 111 is the rectangular plate structure, and first link joint 111's quantity is two, and two parallel intervals of first link joint 111 set up, is equipped with first reinforcement bar 113 between two first link joints 111, and first reinforcement bar 113 can be welded connection with first link joint 111, also can dismantle the connection, and in order to make things convenient for dismouting, maintenance or change, in this embodiment, first reinforcement bar 113 can dismantle with first link joint 111 and be connected, and two first link joints 111 are run through respectively at the both ends of first reinforcement bar 113, and the both ends of first reinforcement bar 113 are equipped with the nut to be in the same place first reinforcement bar 113 and first link joint 111 are fixed. The number of the first reinforcing rods 113 may be one or more, and in this embodiment, the number of the first reinforcing rods 113 is one and is close to the lower end of the first link plate 111. Two right angles of the upper end of the first chain plate 111 are processed into round corners.

Second link joint 112 is the rectangular plate structure, second link joint 112's quantity is two, two second link joint 112 symmetric distribution are in the outside of two first link joints 111, be equipped with second strengthening rod 114 between two second link joints 112, second strengthening rod 114 and second link joint 112 can be welded connection, also can dismantle the connection, in order to make things convenient for dismouting, maintenance or change, in this embodiment, second strengthening rod 114 and second link joint 112 can dismantle the connection, two second link joints 112 are run through respectively at the both ends of second strengthening rod 114, the both ends of second strengthening rod 114 are equipped with the nut to be in the same place second strengthening rod 114 and second link joint 112 are fixed. The number of the second reinforcing rods 114 may be one or more, and in this embodiment, the number of the second reinforcing rods 114 is one and is close to the lower end of the second link plate 112. Two right angles at the upper end of the second chain plate 112 are processed into round angles.

One end in the length direction of the first link plate 111 overlaps one end in the length direction of the second link plate 112 and is hinged by a first hinge shaft 115, the first hinge shaft 115 being closer to the upper end of the first link plate 111.

The end of the first link plate 111 of one link 11 of the two adjacent sets of links 11 away from the first hinge shaft 115 is hinged to the end of the second link plate 112 of the other link 11 away from the first hinge shaft 115 by a second hinge shaft 116, and the second hinge shaft 116 is closer to the upper end of the first link plate 111.

In this embodiment, the distance from the first hinge shaft 115 to the upper end of the first link plate 111 is the same as the distance from the second hinge shaft 116 to the upper end of the first link plate 111.

At least two transmission shafts are arranged between the two first chain plates 111 of each group of chain links 11 and are distributed at intervals along the length direction of the chain 10. The two transmission shafts are respectively a first transmission shaft 117 and a second transmission shaft 118, the axis of the first transmission shaft coincides with the axis of the first hinge shaft 115, two ends of the first transmission shaft 117 are respectively connected with the first hinge shafts 115 at two sides of the chain link 11, the axis of the second transmission shaft 118 coincides with the axis of the second hinge shaft 116, and two ends of the second transmission shaft 118 are respectively connected with the second hinge shafts 116 at two sides of the chain link 11.

In this embodiment, the first hinge shaft 115 is integrally formed with the first transmission shaft 117, and the second hinge shaft 116 is integrally formed with the second transmission shaft 118.

The first link plate 111 is provided with first notches 119 at both ends thereof in the length direction of the chain 10 at positions corresponding to the second reinforcing rods 114, so that the first link plate 111 and the second reinforcing rods 114 do not interfere.

The second link plate 112 is provided with second notches 120 at both ends in the length direction of the chain 10 at positions corresponding to the first reinforcing rods 113, so that the second link plate 112 does not interfere with the first reinforcing rods 113.

The edge of the side of the first link plate 111 adjacent to the second link plate 112 may be rounded or beveled, and the edge of the side of the second link plate 112 adjacent to the first link plate 111 may also be rounded or beveled, so that the first link plate 111 and the second link plate 112 do not get jammed during the relative rotation.

The first hinge shaft 115 is provided with a guide bearing 121, and the guide bearing 121 is located at an outer side of the second link plate 112. Of course, the guide bearing 121 may be disposed on the second hinge shaft 116 with the guide bearing 121 located outside the second link plate 112, and of course, the guide bearing 121 may be disposed on both the first hinge shaft 115 and the second hinge shaft 116. The guide bearing 121 not only plays a role of guiding, but also can greatly reduce the friction force when the chain slides.

The first link plate 111 or the second link plate 112 on the same side of the chain 10 are located in the same plane.

Example 2

Referring to fig. 5, the second embodiment of the present invention provides a transmission device, which includes a transmission case 30, a column 40, a gear 50, and a chain 10.

It should be noted that the chain 10 in the first embodiment can be the chain 10 in the first embodiment, and the structure, the working principle, and the generated technical effects of the chain 10 in the first embodiment can refer to the corresponding contents in the first embodiment, which are not described herein again.

Referring to fig. 6, a first via hole and a second via hole are formed in the top of the transmission case 30, two U-shaped guide rails 31 are arranged in the transmission case 30, the two U-shaped guide rails 31 are arranged in parallel at intervals, two ends of each U-shaped guide rail 31 correspond to the first via hole and the second via hole, a first guide groove 311 is formed in the opposite side surfaces of the two U-shaped guide rails 31, and the first guide groove 311 extends from one end of each U-shaped guide rail 31 to the other end.

The upright post 40 is vertically arranged at the top of the transmission case 30 and located between the first via hole and the second via hole, as shown in fig. 7, one side of the upright post 40 close to the first via hole is provided with a second guide groove 41, the second guide groove 41 extends along the vertical direction of the upright post 40, one side of the upright post 40 close to the second via hole is provided with a third guide groove 42, and the third guide groove 42 extends along the vertical direction of the upright post 40.

The gear 50 is supported in the transmission case 30 through a rotating shaft, a motor and a speed reducer can be arranged outside the transmission case 30, an output shaft of the motor is connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is connected with one end of the rotating shaft supporting the gear 50, so that the motor can drive the gear 50 to rotate.

One end of the chain 10 penetrates into the transmission case 30 from the first through hole and penetrates out of the transmission case 30 from the second through hole, the chain 10 forms a U-shaped structure, the chain 10 bypasses the gear 50 and is meshed with the first transmission shaft 117 and the second transmission shaft 118, and the gear 50 rotates to drive the chain 10 to move.

The guide bearings 121 on two sides of the chain 10 in the transmission case 30 are located in the first guide groove 311, the guide shafts are in rolling fit with the first guide groove 311, the two sections of chains 10 in the vertical portion outside the transmission case 30 are in sliding fit with the second guide groove 41 and the third guide groove 42 respectively, the guide bearings 121 on two sides of the chain 10 corresponding to the second guide groove 41 are located in the second guide groove 41 and in rolling fit, and the guide bearings 121 on two sides of the chain 10 corresponding to the third guide groove 42 are located in the third guide groove 42 and in rolling movable fit. The guide bearing 121 is in rolling engagement with the first guide groove 311, the second guide groove 41 and the third guide groove 42, which can greatly reduce friction when the chain 10 moves.

A shield may be provided at one side of the post 40 to shield the chain 10 in the third guide groove 42. The chain 10 in the second guide groove 41 may be provided with a lifting platform, so that the chain 10 can drive the lifting platform to lift when moving up and down along the second guide groove 41.

The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.