CN111795115A - High-strength silencing drag chain - Google Patents

Abstract

The invention belongs to the technical field of drag chain equipment, and discloses a high-strength noise reduction drag chain, which comprises a plurality of drag block groups connected in sequence from head to tail, wherein each drag block group comprises a chain plate and a baffle plate, one end of each chain plate extends to form a groove, the other end of each chain plate is provided with a convex block, each convex block is matched with the corresponding groove, each convex block is provided with a rotating shaft groove, each groove is integrally connected with a rotating shaft, each rotating shaft is matched with the corresponding rotating shaft groove and is rotatably connected with the corresponding rotating shaft groove, an arc-shaped groove is formed in the inner wall of each chain plate and close to the corresponding rotating shaft groove, each groove is integrally connected with a sliding block below the corresponding rotating shaft, the sliding blocks are slidably connected along the arc-shaped grooves, an elastic piece used for buffering the rotating amplitude among the. The invention has the advantages of ingenious design and reasonable structure, buffers the hard contact among the drag block groups, reduces the collision sound generated when the drag block groups are in contact with each other in a protection way, enhances the silencing effect, improves the load capacity of the drag chain, prevents the drag chain from collapsing at the waist and prolongs the service life of the drag chain.

Description

High-strength silencing drag chain

Technical Field

The invention belongs to the technical field of drag chain equipment, and particularly relates to a high-strength silencing drag chain.

Background

At present, the drag chain has been widely applied to a great deal of fields such as digit control machine tool, stone material machinery, glass machinery, door and window machinery, injection molding machine, manipulator, jack-up transportation equipment, automatic warehouse, the drag chain can play traction and guard action to built-in cable of machinery, oil pipe, trachea, water pipe etc. makes the whole more pleasing to the eye that looks of machinery simultaneously. The drag chain of prior art is mostly formed by connecting a plurality of link joint, and when the drag chain was used, can divide the drag chain into the triplex according to the motion state: the lower section of the drag chain, the turning ring section and the upper section of the drag chain.

The existing drag chain is small in hanging bearing capacity, when the length of the drag chain is long, the drag chain can be bent to different degrees under the action of the self weight and the built-in cables and pipelines, and the built-in cables and pipelines of the drag chain can be damaged by the bending phenomenon. If the tow chain atress is too big, can lead to the upper segment superpose of tow chain to the tow chain hypomere even, colloquially call "the waist of collapsing", if tow chain upper segment and tow chain hypomere constantly rub for a long time, not only can damage built-in circuit, and can the tow chain of serious wear, lead to the tow chain disconnection to appear, cracked phenomenon, the life of seriously shortening the tow chain, in addition, a plurality of tow chain link joint are at actual cooperation and working process, receive mechanical friction and vibration influence, relative noise is great, this kind of condition needs to be changed, so, how to design one kind and do not collapse waist and long service life in long distance turnover work, the silence is effectual, the quality is guaranteed tow chain, become a technical problem who needs to solve urgently.

Disclosure of Invention

The present invention is directed to a high strength noise reduction tow chain to solve the above mentioned problems.

In order to realize the purpose of the invention, the technical scheme is as follows:

a high-strength silencing drag chain comprises a plurality of drag block groups which are sequentially connected head and tail, wherein each drag block group comprises two chain plates which are same in structure and symmetrical in position and baffle plates which are respectively arranged at the upper side and the lower side of each chain plate and are used for connecting the chain plates and bearing cables or pipelines, one end of each chain plate extends to form a groove, the other end of each chain plate is provided with a lug, the lug is matched with the groove, a rotating shaft groove is formed in the lug, a rotating shaft is integrally connected onto the groove, the rotating shaft is matched with the rotating shaft groove and is rotationally connected with the rotating shaft groove, an arc-shaped groove is formed in the inner wall of each chain plate and is close to the rotating shaft groove, a sliding block is integrally connected onto the groove and is positioned below the rotating shaft, the sliding block is connected along the arc-shaped groove in a sliding manner, an elastic piece used for buffering the, and two ends of the elastic piece are respectively abutted against one end of the arc-shaped groove and the sliding block.

The invention is further configured to: the chain plate is provided with a first buffering surface above the rotating shaft groove, one end of the chain plate, which deviates from the first buffering surface, is provided with a second buffering surface, the first buffering surface and the second buffering surface between the mop blocks are opened and closed mutually, and the first buffering surface is provided with first raised grains.

The invention is further configured to: the chain plate is integrally connected with a buffer column in an inverted L-shaped structure above the rotating shaft, a third buffer surface is arranged on the inner wall of the chain plate and above the rotating shaft groove, and one end of the buffer column and the third buffer surface are mutually opened and closed and are provided with second raised grains.

The invention is further configured to: one end of the groove extends to form a positioning sliding block, a positioning sliding groove is formed in the inner wall of the chain plate and is close to the arc-shaped groove, the positioning sliding block is matched with the positioning sliding groove, and the positioning sliding block covers the arc-shaped groove.

The invention is further configured to: one side of the positioning slide block is provided with a peeping hole for observing the elastic piece.

The invention is further configured to: the connecting line of the axes of the rotating shaft and the rotating shaft groove is positioned below the axial center line of the chain plate, and is used for lever support and limit turning of the noise-reduction drag chain through the rotating shaft under the matching of the convex blocks and the grooves, and is used for converting the bearing gravity between the drag block groups into the transverse pulling force at the lower part and the transverse jacking force at the upper part, increasing the strength and bearing capacity of the drag chain and effectively preventing the drag chain from deforming and collapsing.

The invention is further configured to: two fixedly connected with fixture block on the link joint one side inner wall in opposite directions, the draw-in groove has been seted up at the both ends of separation blade, the fixture block with the draw-in groove lock.

The invention is further configured to: and a gap is kept between the buffer column and the chain plate.

The invention is further configured to: a plurality of first raised grain height is the same and align to grid, be used for first buffering face with during the contact of second buffering face, the gradual contact in proper order of slowing is to the complete contact, is used for eliminating first buffering face with noise during the contact of second buffering face.

The invention is further configured to: a plurality of the same and align to grid of second raised grain height is used for the buffering post with during the contact of third buffering face, the gradual contact in proper order of slowing is to the complete contact, is used for eliminating the buffering post with noise during the contact of third buffering face.

In summary, compared with the prior art, the invention discloses a high-strength silencing drag chain, wherein a plurality of drag chain groups are sequentially connected end to form a whole drag chain, each drag chain group comprises two symmetrical chain plates and a baffle plate for connecting the two chain plates, the chain plates among the drag chain groups are matched with a rotating shaft groove through a rotating shaft and are rotatably connected with the rotating shaft groove to realize the specific connection among the drag chain groups, the sliding connection of a sliding block along an arc-shaped groove realizes the limiting turning among the drag chain groups, the turning buffering is realized through an elastic piece, the stepped buffering contact of the drag chain from turning to horizontal state is realized through the opening and closing of one end of a buffering column and a third buffering surface and the opening and closing of a first buffering surface and a second buffering surface, the silencing effect is enhanced, the loading capacity of the drag chain is improved, and the service life of the drag chain is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic overall structure diagram of a high-strength noise-reduction drag chain provided in this embodiment;

FIG. 2 is a schematic diagram of a connection structure between multiple groups of sliders provided in this embodiment;

fig. 3 is a schematic diagram of the overall structure of the group of dragging blocks provided in this embodiment;

fig. 4 is a schematic view of the whole structure of the link plate provided in this embodiment;

fig. 5 is a schematic view of the whole structure of the link plate provided in this embodiment;

fig. 6 is a schematic view of a connection structure between two link plates according to this embodiment.

Reference numerals: 1. a chain plate; 11. an arc-shaped slot; 12. a first buffer surface; 121. a first raised grain; 13. a second buffer surface; 14. a third buffer surface; 15. positioning the chute; 16. a clamping block; 2. a baffle plate; 21. a card slot; 3. a groove; 31. a rotating shaft; 32. a slider; 33. a buffer column; 331. a second raised grain; 34. positioning the sliding block; 341. a peep hole; 4. a bump; 41. a rotating shaft groove; 5. an elastic member; 100. groups of dragging blocks.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described above may be combined with each other as long as they do not conflict with each other.

A high-strength noise-reduction drag chain is disclosed, as shown in figures 1-6, comprising a plurality of drag block groups 100 connected in sequence from head to tail, the drag block groups 100 comprise two chain plates 1 with the same structure and symmetrical positions and baffle plates 2 respectively arranged at the upper and lower sides of the chain plates 1 and used for connecting the chain plates 1 and bearing cables or pipelines, one end of the chain plate 1 extends to form a groove 3, the other end of the chain plate 1 is provided with a convex block 4, the convex block 4 is matched with the groove 3, the convex block 4 is provided with a rotating shaft groove 41, the groove 3 is integrally connected with a rotating shaft 31, the rotating shaft 31 is matched with the rotating shaft groove 41 and is rotatably connected with the rotating shaft groove 41, the inner wall of the chain plate 1 is provided with an arc-shaped groove 11 near the rotating shaft groove 41, the groove 3 and below the rotating shaft 31 are integrally connected with a sliding block 32, the sliding block 32 is connected along the arc-shaped groove 11, both ends of the elastic member 5 abut against one end of the arc-shaped groove 11 and the slider 32, respectively.

In the specific implementation process, a plurality of towing block groups 100 connected end to end in sequence form a complete towing chain and swing stage by stage along with work, and can be divided into a lower towing chain section, a steering ring section and an upper towing chain section according to the transformation dynamic state of the towing chain, namely when the lower towing chain section and the upper towing chain section are in a state, the plurality of towing block groups 100 are positioned on the same horizontal plane, the towing chain is in a straight state, when the steering ring section is turned, the towing chain bends, and the plurality of towing block groups 100 are in limited hinging.

Furthermore, the grooves are matched with the bumps 4, the rotating shaft 31 is matched with the rotating shaft groove 41 and is rotatably connected with the rotating shaft groove 41 to realize the switching among the plurality of chain plates 1, and further realize the connection among the plurality of drag chain groups 100.

It should be noted that, the sliding block 32 is connected along the arc-shaped groove 11 in a sliding manner to ensure smooth bending between the link plates 1 and also play a role in limiting, and the elastic member 5 arranged in the arc-shaped groove 11 realizes flexible bending between the link plates 1, plays an elastic buffering role, avoids hard friction, and enhances the silencing effect.

As shown in fig. 4, 5 and 6, a first buffer surface 12 is disposed on the link plate 1 and above the rotating shaft groove 41, a second buffer surface 13 is disposed at an end of the link plate 1 away from the first buffer surface 12, and the first buffer surface 12 and the second buffer surface 13 between the plurality of tow block sets 100 are opened and closed with respect to each other, wherein the first buffer surface 12 is provided with a first raised grain 121.

In the concrete implementation process, when the tow chain is the straight state, first buffering face 12 and second buffering face 13 butt, support through pivot 31, first buffering face 12 and second buffering face 13 share the whole bearing capacity of tow chain, when the tow chain is the turn state, first buffering face 12 and second buffering face 13 opening keep having the distance, when the tow chain is the turn state conversion straight state, first raised grain 121 earlier with the contact of second buffering face 13 to reinforcing silence effect.

The chain plate 1 is integrally connected with a buffer column 33 in an inverted L-shaped structure above the rotating shaft 31, a third buffer surface 14 is arranged on the inner wall of the chain plate 1 and above the rotating shaft groove 41, one end of the buffer column 33 and the third buffer surface 14 are mutually opened and closed and provided with a second raised grain 331, namely, when the tow chain is in a straight state, one end of the buffer column 33 facing the third buffer surface 14 is abutted against the third buffer surface 14, when the tow chain is in a bent state, the buffer column 33 and the third buffer surface 14 are opened and keep a distance, when the tow chain is converted from the bent state to the straight state, the second raised grain 331 is firstly contacted with the third buffer surface 14 and forces the column 33 to be slightly deformed so as to achieve a buffer contact effect, hard contact between the first buffer surface 12 and the second buffer surface 13 is avoided, the service life of a component is prolonged, and the silencing effect is enhanced.

In the concrete implementation process, there is location slider 34 in the one end extension of recess 3, has seted up location spout 15 on the inner wall of link joint 1 and near arc wall 11 department, location slider 34 and location spout 15 phase-match, and location slider 34 covers on arc wall 11 to keep the installation of elastic component 5 and job stabilization, and location slider 34 and location spout 15 phase-match can keep the link joint 1 within a definite time to turn stably, improve the practicality.

Wherein, the positioning slide block 34 is provided with a peep hole 341 for observing the elastic element 5, so as to observe the working condition of the elastic element 5.

It should be noted that the axis connecting line of the rotating shaft 31 and the rotating shaft groove 41 is located below the axial center line of the link plate 1, and is used for performing lever support and limited turning of the noise reduction drag chain through the rotating shaft 31 under the matching of the protrusion 4 and the groove 3, so that the bearing gravity between the drag block groups 100 is converted into the transverse pulling force at the lower part and the transverse jacking force at the upper part, the strength and the bearing capacity of the drag chain are increased, and the drag chain is effectively prevented from deforming and collapsing.

Wherein, fixedly connected with fixture block 16 on the opposite one side inner wall of two link joint 1, draw-in groove 21 has been seted up at the both ends of separation blade 2, fixture block 16 and draw-in groove 21 lock for separation blade 2 and link joint 1 are connected the fastening.

It should be noted that a gap is maintained between the cushion post 33 and the link plate 1, which facilitates deformation of the cushion post 33.

It should be noted that the plurality of first corrugations 121 are uniformly arranged at the same height, and are used for gradually and sequentially contacting to complete contact when the first buffer surface 12 and the second buffer surface 13 are contacted, so as to eliminate noise when the first buffer surface 12 and the second buffer surface 13 are contacted.

It should be noted that the plurality of second corrugations 331 are uniformly arranged at the same height, and are used for gradually and sequentially contacting to complete contact when the buffer pillar 33 contacts with the third buffer surface 14, and eliminating noise when the buffer pillar 33 contacts with the third buffer surface 14.

In conclusion, the invention has the following beneficial effects: the invention discloses a high-strength silencing drag chain, which is arranged as follows in order to enhance the silencing effect and the hard contact between buffer chain plates 1: an elastic part 5 for buffering the rotation amplitude among the plurality of dragging block groups 100 is arranged in the arc-shaped groove 11, and two ends of the elastic part 5 are respectively abutted against one end of the arc-shaped groove 11 and the sliding block 32; a first buffer surface 12 is arranged on the chain plate 1 and above the bump 4, a second buffer surface 13 is arranged at one end of the chain plate 1, which is far away from the first buffer surface 12, and the first buffer surface 12 and the second buffer surface 13 are mutually opened and closed, wherein a plurality of first raised grains 121 are arranged on the first buffer surface 12; the groove 3 is provided with a buffer column 33 in an inverted L-shaped structure, a third buffer surface 14 is arranged on the inner wall of the chain plate 1 and close to the arc-shaped groove 11, one end of the buffer column 33 and the third buffer surface 14 are mutually opened and closed, wherein one end of the buffer column 33 facing the third buffer surface 14 is provided with a plurality of second raised grains 331; that is, according to the above arrangement, when the drag chain is bent and the bent state is changed into a straight state, the elastic member 5 is in buffer contact, the buffer column 33 and the second raised grain 331 are in buffer contact, and the first raised grain 121 is in buffer contact, so that the hard contact between the drag block groups is relieved through the staged buffer, the mute effect is enhanced, the load capacity of the drag chain is improved, and the service life of the drag chain is prolonged.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. The utility model provides a high strength amortization tow chain, includes the group of towing blocks that connects gradually between a plurality of head and the tail, its characterized in that: the dragging block group comprises two chain plates with the same structure and symmetrical positions and baffles which are respectively arranged at the upper side and the lower side of the chain plates and are used for connecting the chain plates and bearing cables or pipelines, one end of each chain plate extends to form a groove, the other end is provided with a convex block which is matched with the groove, the convex block is provided with a rotating shaft groove, a rotating shaft is integrally connected on the groove, the rotating shaft is matched with the rotating shaft groove and is rotationally connected with the rotating shaft groove, an arc-shaped groove is arranged on the inner wall of the chain plate and close to the rotating shaft groove, a sliding block is integrally connected on the groove and below the rotating shaft, the sliding block is connected along the arc-shaped groove in a sliding way, the arc-shaped groove is internally provided with an elastic part for buffering the rotation range between the plurality of dragging blocks, and two ends of the elastic part are respectively abutted against one end of the arc-shaped groove and the sliding block.

2. The high-strength noise-reduction drag chain according to claim 1, wherein a first buffering surface is provided on the link plate above the rotation shaft groove, a second buffering surface is provided on an end of the link plate facing away from the first buffering surface, and the first buffering surface and the second buffering surface of the plurality of drag block groups are opened and closed with respect to each other, wherein a first wave pattern is provided on the first buffering surface.

3. The high-strength noise-reduction drag chain according to claim 1, wherein a damping post having an inverted L-shaped structure is integrally connected to the link plate above the rotation shaft, a third damping surface is provided on the inner wall of the link plate above the rotation shaft groove, and one end of the damping post and the third damping surface are opened and closed with each other and are provided with second corrugations.

4. The high-strength noise-reduction drag chain of claim 1, wherein a positioning slide block extends from one end of the groove, a positioning slide groove is formed on the inner wall of the link plate and close to the arc-shaped groove, the positioning slide block is matched with the positioning slide groove, and the positioning slide block covers the arc-shaped groove.

5. The high-strength noise-reduction drag chain according to claim 4, wherein a peep hole for observing the elastic member is opened at one side of the positioning slider.

6. The high-strength silencing tow chain according to claim 1, wherein a connecting line of the axes of the rotating shaft and the rotating shaft groove is located below an axial center line of the link plate, so that under the matching of the protrusion and the groove, the silencing tow chain is subjected to lever support and limited turning through the rotating shaft, the bearing gravity of the tow block groups is converted into a lower transverse tension and an upper transverse jacking force, the strength and the bearing capacity of the tow chain are increased, and the tow chain is effectively prevented from deforming and collapsing.

7. The high-strength noise-reduction drag chain as claimed in claim 1, wherein a clamping block is fixedly connected to an inner wall of one of the two opposite sides of the link plate, clamping grooves are formed at two ends of the blocking piece, and the clamping block is fastened to the clamping grooves.

8. The high strength noise reduction drag chain of claim 3, wherein a gap is maintained between said cushion post and said link plate.

9. The high strength noise damping tow chain according to claim 2 wherein the first undulations are of the same height and are evenly spaced for gradually and sequentially contacting to complete contact when the first and second damping surfaces are in contact, for eliminating noise when the first and second damping surfaces are in contact.

10. The high strength noise damping tow chain according to claim 2 wherein a plurality of said second undulations are of the same height and are uniformly arranged for progressively and sequentially contacting to complete contact when said strut contacts said third damping surface for eliminating noise when said strut contacts said third damping surface.

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