CN211202754U - Wear-resisting explosion-proof tow chain that opens - Google Patents

Abstract

The utility model provides a wear-resisting explosion-proof tow chain of opening, including a plurality of continuous chain links, each chain link includes two link joints and apron, and the link joint includes integrated into one piece's first chain plate spare and second chain plate spare, and the second chain plate spare of one of them chain link is connected with the articulated first chain plate spare of another adjacent chain link, still including being suitable for the wearing parts of protection chain link, and the wearing parts includes: the supporting part is arranged at the bottom of the chain link; the connecting portion is installed in the lateral surface of link joint, and sets up perpendicularly with the supporting part, and connecting portion have first arc cooperation portion and the second arc cooperation portion that sets up towards first link joint spare and second link joint spare respectively. Through setting up wearing parts, can avoid chain link and table surface direct friction, prolonged life, and the first arc cooperation portion of another chain link can be rotated relatively to the second arc cooperation portion of one of them chain link, and can not produce to interfere and block, has guaranteed that two adjacent chain links can rotate certain angle relatively.

Description

Wear-resisting explosion-proof tow chain that opens

Technical Field

The utility model relates to a tow chain technical field, concretely relates to wear-resisting explosion-proof tow chain that opens.

Background

The drag chain is suitable for reciprocating motion occasions, is widely applied in the field of automation equipment such as numerical control machine tools, mechanical arms, hoisting and transporting equipment, automatic warehouses and the like, and can play a role in traction and protection of built-in cables, oil pipes, air pipes, water pipes and the like.

The drag chain is formed by connecting a plurality of chain links, each chain link comprises two parallel chain plates and two cover plates arranged between the two chain plates and used for connecting the two chain plates, when the drag chain moves in a reciprocating manner, the bottoms of the chain plates on the two sides of the drag chain directly rub with the working table top, the drag chain is easy to wear under the action of a long time, and the service life is shortened.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the tow chain among the prior art short service life, the not good defect of dustproof and waterproof effect to a wear-resisting explosion-proof tow chain of opening that dustproof and waterproof effect is good is provided.

Therefore, the utility model provides a wear-resisting explosion-proof tow chain of opening, including a plurality of continuous chain links, each the chain link includes two relative parallel arrangement's link joint to and two are parallel arrangement about, connect two the apron of link joint, the link joint includes integrated into one piece's first link plate spare and second link plate spare, one of them the second link plate spare of chain link and adjacent another the first link plate spare of chain link is articulated to be connected, still including being suitable for the protection the wearing parts of chain link, the wearing parts includes: a support part provided at the bottom of the chain link; connecting portion, install in the lateral surface of link joint, and with the supporting part sets up perpendicularly, connecting portion have respectively towards first link joint spare with first arc cooperation portion and second arc cooperation portion that second link joint spare set up, one of them the second arc cooperation portion of chain link extends to and adjacent another the laminating of the first arc cooperation portion of chain link offsets.

And the supporting part is provided with an inserting block which is in adaptive insertion with the inserting hole at the bottom of the chain link.

A plurality of longitudinal separators are arranged between the two cover plates and detachably connected with the cover plates through clamping structures, each clamping structure comprises a first clamping block and a first clamping groove, and the first clamping blocks are arranged on two side surfaces of each cover plate and extend along the length direction of the cover plate; and the first clamping grooves are respectively arranged at the top and the bottom of the longitudinal separator and are connected with the first clamping blocks in an adaptive manner.

The middle part shaping of vertical separator has a plurality of third perforation along direction of height evenly distributed, can wear to establish in the third perforation with apron parallel arrangement's horizontal separator.

The inner side surface of the cover plate is of an inward concave cambered surface structure.

The first anti-explosion structure is suitable for preventing the second chain plate piece and the first chain plate piece which are hinged to each other from being separated, the first anti-explosion structure comprises at least one stop block and a first inserting block, the stop block is arranged close to the first chain plate piece, and the stop block and the second chain plate piece are opposite to each other to form a first inserting groove; the first inserting block is arranged at the outer edge of the first chain plate piece and can be in adaptive insertion with the first inserting groove.

The first chain plate piece is arranged in the middle of the first chain plate piece, and the second chain plate piece is arranged in the middle of the second chain plate piece; the second through hole is formed in the second chain plate piece and is opposite to the first through hole, and an annular convex block is formed on the inner wall of the second through hole; the retaining member has the baffle portion that offsets with first link joint spare lateral surface, and passes in proper order first perforation with the fenestrate pivot portion of second, be equipped with on the outer wall of pivot portion with the first recess that the annular convex block adaptation was pegged graft.

One side shaping that the pivot portion was kept away from the baffle portion has toward the internal depression, in order to do benefit to the second recess of first recess deformation.

The last shaping of first chain plate spare have with the mounting groove of baffle portion adaptation grafting, the mounting groove middle part is equipped with first perforation.

The limiting structure comprises a limiting groove and a limiting block, wherein the two limiting grooves are arranged on the outer side surface of the second chain plate piece and are symmetrically arranged; two stoppers, set up in on the medial surface of first chain plate spare, two the stopper can insert corresponding two the spacing inslot, and can be relative the spacing groove rotates certain angle.

The spacing groove is the sector groove, the stopper is the sector piece, the sector groove includes first arc surface and the second arc surface that the concentric circles set up, first arc surface and/or the both ends of second arc surface are equipped with the buffer block that extends towards the arc surface of subtend setting, the buffer block have with the stopper blocks complex buffering inclined plane.

The apron includes straight apron portion, and the shaping in the arc apron portion of straight apron portion one side, one of them chain link the arc apron portion inserts to adjacent the straight apron portion below of chain link.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a wear-resisting explosion-proof tow chain that opens, wearing parts are including the supporting part of locating the chain link bottom to and install in the connecting portion of the lateral surface of link joint, and connecting portion have respectively towards first arc cooperation portion and the second arc cooperation portion of first chain plate spare and second chain plate spare setting, and the second arc cooperation portion of one of them chain link extends to and offsets with the laminating of the first arc cooperation portion of another adjacent chain link. Like this when two adjacent chain links rotate to be connected, the second arc cooperation portion of one of them chain link can rotate relative to the first arc cooperation portion of another chain link, and can not produce to interfere and block, has guaranteed the normal use of wearing parts, and the wearing parts can avoid chain link and table surface direct friction, has prolonged life.

2. The utility model provides a wear-resisting explosion-proof tow chain that opens is equipped with a plurality of vertical separators between two apron, and vertical separator passes through the joint structure and can dismantle with the apron and be connected, and the joint structure includes: the first clamping blocks are arranged on two side surfaces of the cover plate and extend along the length direction of the cover plate; the first clamping groove is respectively arranged at the top and the bottom of the longitudinal separator and is connected with the corresponding first clamping block in an adaptive manner. Because the first clamping block extends along the length direction of the cover plate, the internal space of the chain link can be utilized to the maximum extent, and more longitudinal separators can be installed.

3. The utility model provides a wear-resisting explosion-proof tow chain that opens, the middle part shaping of vertical separator have a plurality of third perforation along direction of height evenly distributed, can wear to establish in the third perforation with apron parallel arrangement's horizontal separator. The longitudinal separators and the transverse separators are matched to divide the inner space of the chain link into a plurality of independent cable installation spaces, so that the use is convenient.

4. The utility model provides a wear-resisting explosion-proof tow chain that opens, the medial surface of apron are the cambered surface structure to the indent to reduce the chain link and wear and tear the cable when rotating, improved fail safe nature.

5. The utility model provides a tow chain is opened in wear-resisting explosion-proof, still including being suitable for the first explosion-proof structure of opening that prevents articulated second chain plate and the separation of first chain plate spare of connecting, first explosion-proof structure of opening includes: the at least one baffle block is arranged close to the first chain plate element, and a first slot is formed by the baffle block and the second chain plate element in an opposite mode; the first inserting block is arranged at the outer edge of the first chain plate piece and can be in adaptive insertion with the first slot. The second chain plate piece and the first chain plate piece that like this dog can prevent articulated connection each other separate, and simple structure has prolonged life, and has reduced the maintenance cost.

6. The utility model provides a tow chain is opened in wear-resisting explosion-proof, still include the explosion-proof structure of opening of second, the explosion-proof structure of opening of second includes: the first through hole is arranged in the middle of the first chain plate piece; the second through hole is arranged on the second chain plate and is opposite to the first through hole, and an annular convex block is formed on the inner wall of the second through hole; the retaining member has the baffle portion that offsets with first link joint spare lateral surface to and pass first perforation and the fenestrate pivot portion of second in proper order, be equipped with the first recess of pegging graft with annular bump adaptation on the outer wall of pivot portion. During the dress, a side baffle portion and the first link joint spare of retaining member offset, and the annular convex block adaptation on the first recess in the opposite side pivot portion and the perforation inner wall of second link joint spare second is pegged graft, and the first link joint spare and the second link joint spare of further two adjacent chain links are connected more firmly, are difficult for bursting open, have prolonged life.

7. The utility model provides a wear-resisting explosion-proof tow chain that opens, one side shaping that the baffle portion was kept away from to pivot portion have the second recess toward the internal depression, in order to do benefit to first recess deformation to enlarge or reduce the external diameter size of the outline at second recess place, make the second recess change in elastic deformation, peg graft with annular convex block, the installation is swiftly convenient more.

8. The utility model provides a wear-resisting explosion-proof tow chain that opens, fan-shaped groove include the first arc surface and the second arc surface that the same centre of a circle set up, and the both ends of first arc surface and/or second arc surface are equipped with the buffer block that extends towards the arc surface of subtend setting, and the buffer block has and blocks complex buffering inclined plane with the stopper. Compare with the mode of prior art's stopper and the direct striking of spacing groove like this, the impact of stopper can be cushioned to the buffering inclined plane of buffer block to noise has effectively been reduced.

9. The utility model provides a wear-resisting explosion-proof tow chain that opens, apron include straight apron to and the shaping is in the arc apron of straight apron one side, and the arc apron of one of them chain link inserts the straight apron below of adjacent chain link, and when adjacent even chain link was certain contained angle and rotates the connection, the arc apron also can shelter from the clearance between two straight apron of two adjacent chain links, and is sealed effectual.

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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic assembly view of two adjacent chain links according to the present invention;

FIG. 2 is an exploded view of two adjacent links of FIG. 1;

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

FIG. 4 is another perspective view of the single link of FIG. 3 rotated through an angle;

FIG. 5 is an exploded view of the chain link and wear member of FIG. 3;

FIG. 6 is a side view of FIG. 3;

FIG. 7 is a schematic view showing an assembled structure of the longitudinal and lateral partitions;

FIG. 8 is a front view of FIG. 3;

FIG. 9 is an enlarged view of portion A of FIG. 8;

FIG. 10 is a perspective view of the retaining member;

FIG. 11 is a cross-sectional view of a single link;

FIG. 12 is an enlarged view of portion B of FIG. 11;

fig. 13 is a perspective view of the wear-resistant explosion-proof drag chain of the present invention;

FIG. 14 is a perspective view of a single link (with closed cover plate);

fig. 15 is an exploded view of two links (with closed cover plates) of fig. 14.

Description of reference numerals: 1. a chain link; 2. a chain plate; 3. a cover plate; 31. a first clamping block; 32. a flat cover plate portion; 33. an arc-shaped cover plate portion; 4. a first link plate member; 41. a first insert block; 42. a first perforation; 43. mounting grooves; 44. a limiting block; 5. a second link plate member; 50. a stopper; 51. a first slot; 52. a second perforation; 53. an annular projection; 54. a limiting groove; 541. a first arc surface; 542. a second arc surface; 55. a buffer block; 551. a buffer bevel; 6. a locking member; 61. a baffle portion; 62. a rotating shaft part; 63. a first groove; 64. a second groove; 7. a wear part; 71. a support portion; 72. a connecting portion; 73. a first arcuate mating section; 74. a second arcuate mating portion; 75. inserting a block; 8. a longitudinal divider; 81. a first card slot; 82. a third perforation; 9. a transverse partition.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be 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 in specific cases to those skilled in the art.

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

Examples

The embodiment provides a wear-resisting explosion-proof drag chain, as shown in fig. 1-5, 13, including a plurality of continuous chain links 1, each chain link 1 includes two link plates 2 that are arranged in parallel relatively, and two are parallel arrangement from top to bottom, connect two apron 3 of link plate 2, the medial surface of apron 3 is the cambered surface structure of indent, link plate 2 includes integrated into one piece's first chain plate spare 4 and second chain plate spare 5, and wherein the second chain plate spare 5 of one of chain link 1 is connected with the first chain plate spare 4 of another adjacent chain link 1 is articulated, still includes and is suitable for protecting wearing parts 7 of chain link 1, wearing parts 7 include: the supporting part 71 is arranged at the bottom of the chain link 1, and the supporting part 71 is provided with an inserting block 73 which is in interference fit connection with an inserting hole at the bottom of the chain link 1; connecting portion 72, through bolt fixed mounting in the lateral surface of link joint 2, and with supporting portion 71 sets up perpendicularly, connecting portion 72 have respectively towards first arc cooperation portion 73 and second arc cooperation portion 74 that first link plate spare 4 and second link plate spare 5 set up, one of them second arc cooperation portion 74 of link 1 extends to with adjacent another the first arc cooperation portion 73 laminating of link 1 offsets.

Two be equipped with a plurality of longitudinal separators 8 between the apron 3, as shown in fig. 4 and 6, longitudinal separator 8 through the joint structure with apron 3 can dismantle the connection, the joint structure includes: the first fixture block 31 is arranged on two side surfaces of the cover plate 3 and extends along the length direction of the cover plate 3; and the first clamping grooves 81 are respectively formed in the top and the bottom of the longitudinal separator 8 and are correspondingly clamped with the first clamping blocks 31 in an adaptive mode. As shown in fig. 7, a plurality of third through holes 82 are formed in the middle of the longitudinal partition 8 and are uniformly distributed in the height direction, and the transverse partitions 9 arranged in parallel with the cover plate 3 can be inserted into the third through holes 82.

Further comprising said second link element 5 and said first link element 4 adapted to prevent the hinged connection from separating the first and second explosion vent arrangements.

The first explosion-proof structure includes: two stoppers 50, which are disposed near the first link plate 4, wherein the stoppers 50 and the second link plate 5 are opposite to each other to form a first slot 51; the first insert 41 is disposed on an outer edge of the first link plate 4 and adapted to be inserted into the first slot 51.

As shown in fig. 10-12, the second explosion-proof structure includes: a first through hole 42 provided in the middle of the first link member 4; a second through hole 52, which is arranged on the second link member 5 and is opposite to the first through hole 42, and an annular convex block 53 is formed on the inner wall of the second through hole 52; retaining member 6 has the baffle portion 61 that offsets with first chain plate member 4 lateral surface, and passes in proper order first perforation 42 with the pivot portion 62 of second perforation 52, be equipped with on the outer wall of pivot portion 62 with the first recess 63 that annular bump 53 adaptation was pegged graft. One side of the rotating shaft part 62, which is far away from the baffle part 61, is formed with a second groove 64 which is recessed inwards to facilitate the deformation of the first groove 63. The last shaping of first chain plate spare 4 have with the mounting groove 43 of baffle 61 adaptation grafting, mounting groove 43 middle part is equipped with first perforation 42.

And a limiting structure suitable for limiting the rotation angle of two adjacent chain links 1, as shown in fig. 3, the limiting structure comprises: the two limiting grooves 54 are arranged on the outer side surface of the second chain plate piece 5 and are symmetrically arranged; the two limiting blocks 44 are arranged on the inner side surface of the first chain plate member 4, and the two limiting blocks 44 can be inserted into the corresponding two limiting grooves 54 and can rotate for a certain angle relative to the limiting grooves 54.

As shown in fig. 8 and 9, the limiting groove 54 is a fan-shaped groove, the limiting block 44 is a fan-shaped block, the fan-shaped groove includes a first arc surface 541 and a second arc surface 542 which are concentrically arranged, two ends of the first arc surface 541 are provided with buffering blocks 55 which extend towards the arc surfaces arranged oppositely, and the buffering blocks 55 are provided with buffering inclined surfaces 551 which are in blocking fit with the limiting block 44.

In an alternative embodiment, the two ends of the second arc 542 are provided with a buffer block 55 extending toward the arc opposite to the second arc, and the buffer block 55 is provided with a buffer inclined surface 551 which is in blocking engagement with the stopper 44.

As an alternative embodiment, as shown in fig. 14 and 15, the cover plate 3 includes a flat cover plate portion 32, and an arc-shaped cover plate portion 33 formed on one side of the flat cover plate portion 32, wherein the arc-shaped cover plate portion 33 of one link 1 is inserted below the flat cover plate portion 32 of the adjacent link 1. The inner side surface of the flat cover plate portion 32 is provided with a locking block (not shown in the figure) adapted to be locked with the first locking groove of the longitudinal partition 8.

The utility model discloses a wear-resisting explosion-proof tow chain of opening through setting up wearing parts 7, can avoid chain link 1 and table surface direct friction, has prolonged life, and the second arc cooperation portion 74 of one of them chain link 1 can rotate the first arc cooperation portion 73 of another chain link 1 relatively, and can not produce to interfere and block, has guaranteed that two adjacent chain links can rotate certain angle relatively.

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 can be made without departing from the scope of the invention.

Claims (10)

1. The utility model provides a wear-resisting explosion-proof tow chain that opens, includes a plurality of continuous chain links (1), each chain link (1) includes two relative parallel arrangement's link joint (2), and two are parallel arrangement from top to bottom, connect two apron (3) of link joint (2), link joint (2) are including integrated into one piece's first chain plate spare (4) and second chain plate spare (5), one of them second chain plate spare (5) and adjacent another of chain link (1) first chain plate spare (4) articulated the connection of chain link (1), its characterized in that still including being suitable for the protection wearing parts (7) of chain link (1), wearing parts (7) include:

a support part (71) provided at the bottom of the link (1);

connecting portion (72), install in the lateral surface of link joint (2), and with supporting portion (71) set up perpendicularly, connecting portion (72) have respectively towards first chain plate spare (4) with first arc cooperation portion (73) and second arc cooperation portion (74) that second chain plate spare (5) set up, one of them second arc cooperation portion (74) of chain link (1) extend to with adjacent another the first arc cooperation portion (73) laminating counterbalance of chain link (1).

2. The wear-resistant and explosion-proof drag chain according to claim 1, characterized in that: and the supporting part (71) is provided with an inserting block (75) which is in adaptive insertion connection with the inserting hole at the bottom of the chain link (1).

3. The wear-resistant explosion-proof drag chain according to claim 2, characterized in that: two be equipped with a plurality of longitudinal separators (8) between apron (3), longitudinal separator (8) through the joint structure with apron (3) can dismantle the connection, the joint structure includes:

the first clamping blocks (31) are arranged on two side surfaces of the cover plate (3) and extend along the length direction of the cover plate (3);

and the first clamping grooves (81) are respectively arranged at the top and the bottom of the longitudinal separator (8) and are correspondingly clamped with the first clamping blocks (31) in an adaptive manner.

4. A wear and explosion resistant drag chain according to claim 3, characterized in that: the middle part of the longitudinal separator (8) is formed with a plurality of third through holes (82) which are uniformly distributed along the height direction, and the transverse separator (9) which is arranged in parallel with the cover plate (3) can be penetrated in the third through holes (82).

5. The wear-resistant explosion-proof drag chain according to claim 4, characterized in that: the inner side surface of the cover plate (3) is of an inward concave cambered surface structure.

6. A wear and explosion resistant tow chain according to any one of claims 1 to 5, wherein: further comprising a first burst open prevention structure adapted to prevent separation of the hingedly connected second link elements (5) and first link elements (4), the first burst open prevention structure comprising:

at least one stop (50) arranged close to the first link element (4), the stop (50) forming a first slot (51) opposite the second link element (5);

the first inserting block (41) is arranged at the outer edge of the first chain plate piece (4) and can be in adaptive insertion connection with the first inserting groove (51).

7. The wear-resistant and explosion-proof drag chain according to claim 6, wherein: still include the explosion-proof structure of opening of second, the explosion-proof structure of opening of second includes:

a first through hole (42) provided in the middle of the first link member (4);

the second through hole (52) is arranged on the second chain plate piece (5) and is opposite to the first through hole (42), and an annular convex block (53) is formed on the inner wall of the second through hole (52);

retaining member (6), have baffle portion (61) that offsets with first chain plate spare (4) lateral surface, and pass in proper order first perforation (42) with pivot portion (62) of second perforation (52), be equipped with on the outer wall of pivot portion (62) with first recess (63) that annular lug (53) adaptation was pegged graft, and it keeps away from one side shaping of baffle portion (61) has toward interior sunken, so as to do benefit to second recess (64) of first recess (63) deformation.

8. The wear-resistant explosion-proof drag chain according to claim 7, characterized in that: the chain link mechanism further comprises a limiting structure which is suitable for limiting the rotation angle of two adjacent chain links (1), wherein the limiting structure comprises:

the two limiting grooves (54) are arranged on the outer side surface of the second chain plate piece (5) and are symmetrically arranged;

the two limiting blocks (44) are arranged on the inner side face of the first chain plate piece (4), and the two limiting blocks (44) can be inserted into the corresponding two limiting grooves (54) and can rotate for a certain angle relative to the limiting grooves (54).

9. The wear-resistant and explosion-proof drag chain according to claim 8, wherein: the limiting groove (54) is a fan-shaped groove, the limiting block (44) is a fan-shaped block, the fan-shaped groove comprises a first arc surface (541) and a second arc surface (542) which are arranged concentrically, buffer blocks (55) extending towards the arc surfaces arranged oppositely are arranged at two ends of the first arc surface (541) and/or the second arc surface (542), and the buffer blocks (55) are provided with buffer inclined surfaces (551) which are blocked and matched with the limiting block (44).

10. The wear-resistant and explosion-proof drag chain according to claim 1, characterized in that: the cover plate (3) comprises a straight cover plate portion (32) and an arc-shaped cover plate portion (33) formed on one side of the straight cover plate portion (32), wherein the arc-shaped cover plate portion (33) of one chain link (1) is inserted to be adjacent to the lower portion of the straight cover plate portion (32) of the chain link (1).

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