A butterfly fixing support of bite prevention type

Abstract

The application discloses a kind of bite anti-disengagement type butterfly fixed support, the locking block of first connecting unit top is connected with the locking hole in the central force cable seat, the bite groove below locking block is connected with the bite hook of second connecting unit, the limit hole below bite groove is matched with bite hook, first installation part is arranged below limit hole, second installation part is arranged below bite hook, locking hole side wall is symmetrically provided with locking groove, locking groove is matched with the protruding place of both sides of locking block, annular fixing table is symmetrically provided between locking groove in the upper part of locking hole, locking groove is matched with the lower part of T-shaped locking rod, the central force cable seat is provided with first placing groove, and the second placing groove on the cover plate of central force cable seat is symmetrically arranged with first placing groove.The application uses the above-mentioned structure of a kind of bite anti-disengagement type butterfly fixed support, uses the connection mode of bite hook and bite groove, greatly reduces the use amount of bolt, and when catenary is used, stability is good and safety factor is high.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of catenary, in particular to a type of butterfly-shaped fixed support with bite prevention. BACKGROUND

[0002] The catenary is a special form of power transmission line for electric locomotives, which is erected along the overhead of the railway line. It is composed of contact suspension, support device, positioning device, support column and foundation. The support device includes wrist arm, horizontal pull rod, suspension insulator string, rod insulator and other special support equipment of buildings. The function of the catenary cable is to suspend the contact line through the dropper. The catenary cable can also carry a certain current to reduce the impedance of the traction network, thereby reducing voltage loss and energy consumption. At present, the catenary cable, the horizontal wrist arm, the inclined wrist arm and the support connector are connected together by the catenary cable seat, the wrist arm connector and the support connector, and the bolt is used for fixation. However, the vibration of the catenary will cause the bolt to loosen, resulting in loose connection of the catenary cable seat, the wrist arm connector and the support connector, which has a certain risk coefficient. SUMMARY

[0003] The purpose of the present application is to provide a type of butterfly-shaped fixed support with bite prevention, which combines the catenary cable seat, the wrist arm connector and the support connector into one, adopts the connection mode of bite hook and bite groove, greatly reduces the use amount of bolts, and has good stability and high safety coefficient when the catenary is used.

[0004] In order to achieve the above-mentioned purpose, the present application provides a type of butterfly-shaped fixed support with bite prevention, which comprises a catenary cable seat, a first connecting unit and a second connecting unit. The locking block at the top of the first connecting unit is connected with the locking hole in the center of the catenary cable seat. The bite groove below the locking block is connected with the bite hook of the second connecting unit. The limiting hole below the bite groove is matched with the bite hook. The first mounting part is arranged below the limiting hole. The second mounting part is arranged below the bite hook. The locking groove is symmetrically arranged on the side wall of the locking hole and matched with the protruding part on both sides of the locking block. The annular fixing table is symmetrically arranged between the locking grooves on the upper part of the locking hole. The locking groove is matched with the lower part of the T-shaped locking rod. The catenary cable seat is provided with a first placing groove. The second placing groove on the cover plate of the catenary cable seat is symmetrically arranged with the first placing groove. The first locking hole on the catenary cable seat is correspondingly connected with the second locking hole on the cover plate.

[0005] Preferably, the number of the first placing groove and the second placing groove is one. The locking hole is arranged in the middle of the first placing groove. The first locking hole is symmetrically arranged on the left and right sides of the catenary cable seat. The second locking hole is arranged on the protruding part symmetrically arranged on the left and right sides of the cover plate.

[0006] Preferably, the number of the first placing grooves and the second placing grooves is two, the first placing grooves are symmetrically arranged on both sides of the locking hole, the first locking holes are symmetrically arranged on the front and back of the force bearing seat, the second locking holes are symmetrically arranged on the front and back of the cover plate, and the T-shaped locking rods are symmetrically arranged in the center of the cover plate and connected with the locking grooves.

[0007] Preferably, the first connecting part is arranged below the first mounting part, the second connecting part is arranged below the second mounting part, and the first connecting part and the second connecting part are both butterfly-shaped structures.

[0008] Preferably, the first connecting hole and the second connecting hole are symmetrically arranged on the upper part of the first connecting part, the third connecting hole and the fourth connecting hole are symmetrically arranged below the first connecting part, the fifth connecting hole and the sixth connecting hole are symmetrically arranged on the upper part of the second connecting part, and the seventh connecting hole and the eighth connecting hole are symmetrically arranged on the lower part of the second connecting part.

[0009] Preferably, the limiting plates are symmetrically arranged on the side of the limiting hole away from the occlusion groove, and the width between the limiting plates is the same as the width of the occlusion hook.

[0010] Preferably, the number of the T-shaped locking rods is two, and the number of the locking grooves is the same as the number of the T-shaped locking rods.

[0011] Preferably, after the T-shaped locking rod is connected with the locking groove, the horizontal height of the top of the T-shaped locking rod is lower than the horizontal height of the top of the locking hole.

[0012] Therefore, the occlusion anti-disengagement type butterfly-shaped fixed support with the above structure greatly reduces the use amount of bolts by adopting the connection mode of the occlusion hook and the occlusion groove, and has good stability and high safety factor when the overhead contact system is used.

[0013] The technical solutions of the present application will be further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic view of an occlusion anti-disengagement type butterfly-shaped fixed support (one first placing groove) of the present application;

[0015] Figure 2 is a schematic view of an occlusion anti-disengagement type butterfly-shaped fixed support (two first placing grooves) of the present application;

[0016] Figure 3 is a schematic view of a first connecting unit of an occlusion anti-disengagement type butterfly-shaped fixed support of the present application;

[0017] Figure 4is a second connecting unit schematic view of a bite anti-disengagement type butterfly-shaped fixed support of the present application;

[0018] Figure 5 is a force cable seat (two first placing grooves) schematic view of a bite anti-disengagement type butterfly-shaped fixed support of the present application;

[0019] Figure 6 is a force cable seat (one first placing groove) schematic view of a bite anti-disengagement type butterfly-shaped fixed support of the present application;

[0020] Figure 7 is a cover plate (one second placing groove) schematic view of a bite anti-disengagement type butterfly-shaped fixed support of the present application;

[0021] Figure 8 is a cover plate (two second placing grooves) bottom view of a bite anti-disengagement type butterfly-shaped fixed support of the present application;

[0022] Figure 9 is a T-shaped locking rod schematic view of a bite anti-disengagement type butterfly-shaped fixed support of the present application.

[0023] Reference signs

[0024] 1, force cable seat; 2, first connecting unit; 3, second connecting unit; 4, bite groove; 5, bite hook; 6, limiting hole; 7, limiting plate; 8, first mounting part; 9, second mounting part; 10, locking hole; 11, locking groove; 12, locking block; 13, first placing groove; 14, second placing groove; 15, first locking hole; 16, second locking hole; 17, T-shaped locking rod; 18, first connecting part; 19, second connecting part; 20, first connecting hole; 21, second connecting hole; 22, third connecting hole; 23, fourth connecting hole; 24, fifth connecting hole; 25, sixth connecting hole; 26, seventh connecting hole; 27, eighth connecting hole; 28, cover plate; 29, fixed table. DETAILED DESCRIPTION

[0025] The technical solutions of the present application are further described below through the drawings and examples.

[0026] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms "first", "second", and similar terms are used herein merely to distinguish one element from another, and are not intended to imply any order or sequence. The terms "comprises", "comprising", "includes", "including" and the like are meant to be inclusive and not exclusive, and specify the presence of stated elements or integers but not preclude the presence of additional elements or integers. The term "connected" or "coupled" or similar terms are not limited to a direct connection or coupling, but also include an indirect connection or coupling, such as through an intermediary. The terms "upper", "lower", "left", "right", and the like are used to denote relative positions only, and thus can be reversed when the absolute positions of the described objects are changed.

[0027] Figure 1 is a schematic view of a bite-preventing butterfly-shaped fixing support according to the present application (one first placing groove), Figure 2 is a schematic view of a bite-preventing butterfly-shaped fixing support according to the present application (two first placing grooves), Figure 3 is a schematic view of a first connecting unit of a bite-preventing butterfly-shaped fixing support according to the present application, Figure 4 is a schematic view of a second connecting unit of a bite-preventing butterfly-shaped fixing support according to the present application, Figure 5 is a schematic view of a load-bearing cable seat of a bite-preventing butterfly-shaped fixing support according to the present application (two first placing grooves), Figure 6 is a schematic view of a load-bearing cable seat of a bite-preventing butterfly-shaped fixing support according to the present application (one first placing groove), Figure 7 is a schematic view of a cover plate of a bite-preventing butterfly-shaped fixing support according to the present application (one second placing groove), Figure 8 is a schematic view of a cover plate of a bite-preventing butterfly-shaped fixing support according to the present application (two second placing grooves), and Figure 9The utility model provides a kind of T type locking rod schematic diagram of bite anti-disengagement type butterfly fixed support, as shown in the figure, a kind of bite anti-disengagement type butterfly fixed support, including force cable seat 1, first connecting unit 2 and second connecting unit 3.The locking block 12 of first connecting unit 2 top is connected with the locking hole 10 in the center of force cable seat 1, the bite slot 4 below locking block 12 is connected with the bite hook 5 of second connecting unit 3, and the bite slot 4 below is matched with the bite hook 5 of limiting hole 6.Limiting hole 6 below is provided with first installation 8, and bite hook 5 below is provided with second installation 9.Locking slot 11 is symmetrically provided on the side wall of locking hole 10, locking slot 11 is matched with the protruding place of both sides of locking block 12, and annular fixed platform 29 is symmetrically provided between locking slot 11 in the upper part of locking hole 10.T type locking rod 17 is matched with the lower part of locking slot 11.Forced cable seat 1 is provided with first placing groove 13, and second placing groove 14 on cover plate 28 is symmetrically provided with first placing groove 13, and first locking hole 15 on forced cable seat 1 is connected with the second locking hole 16 on cover plate 28.

[0028] Butterfly fixed support is connected with force cable, flat arm, inclined arm and positioning tube support respectively, force cable seat 1 is connected with force cable, first installation 8 and second installation 9 are connected with flat arm, and first connecting part 18 and second connecting part 19 are connected with inclined arm and positioning tube support respectively.The included angle between first placing groove 13 and second placing groove 14 and the opening direction of first installation 8 and second installation 9 is 90 °, and the included angle between force cable and flat arm is 90 °.

[0029] First installation 8 of first connecting unit 2 is connected with flat arm, then bite hook 5 of second connecting unit 3 is connected with bite slot 4 through limiting hole 6, at this time, second installation 9 is contacted with the other side of flat arm.After first connecting part 18 and second connecting part 19 are connected by bolt, butterfly fixed support is fixedly connected with flat arm.Then, after the angle of inclined arm and positioning tube support is adjusted, first connecting part 18 and second connecting part 19 are connected.

[0030] The number of first placing groove 13 and second placing groove 14 is one, and one force cable can be placed in the inside of force cable seat 1.Locking hole 10 is arranged in the middle of first placing groove 13.The left and right sides of force cable seat 1 are symmetrically provided with first locking hole 15, and the left and right sides of cover plate 28 are symmetrically provided with protruding part, and second locking hole 16 is arranged in the protruding part.

[0031] The locking block 12 at the top of the first connecting unit 2 passes through the locking hole 10 of the load cable seat 1 to the position above the fixed table 29 where the protruding part of the locking block 12 is located, and the load cable seat 1 is rotated to the position where the protruding part of the locking block 12 is away from the locking groove 11. The T-shaped locking rod 17 is inserted into the locking groove 11, and the top end of the T-shaped locking rod 17 is connected with the fixed table 29. At this time, the protruding part of the locking block 12 cannot be connected with the locking groove 11, so as to avoid the disconnection between the load cable seat 1 and the first connecting unit 2. The load cable is placed between the first placing groove 13 and the second placing groove 14, and the first locking hole 15 and the second locking hole 16 are connected by using the bolt. At the same time, the cover plate 28 is locked and connected with the load cable seat 1, and the load cable is clamped and fixed in the first placing groove 13 and the second placing groove 14.

[0032] The number of the first placing groove 13 and the second placing groove 14 is two, and the first placing groove 13 is symmetrically arranged on both sides of the locking hole 10. The first locking hole 15 is symmetrically arranged on both sides of the front and back of the load cable seat 1, the second locking hole 16 is symmetrically arranged on both sides of the front and back of the cover plate 28, and the T-shaped locking rod 17 connected with the locking groove 11 is symmetrically arranged in the center of the cover plate 28.

[0033] The number of the first placing groove 13 and the second placing groove 14 is set, and the corresponding number of load cables can be placed in the load cable seat 1. The locking hole 10 of the load cable seat 1 is aligned with the locking block 12 of the first connecting unit 2, the protruding part of the locking block 12 is connected with the locking groove 11, and then the protruding part of the locking block 12 is rotated to the fixed table 29. After the T-shaped locking rod 17 on the cover plate 28 is matched with the locking groove 11, the cover plate 28 covers the load cable seat 1, and the first locking hole 15 and the second locking hole 16 are connected by using the bolt. At this time, the load cable is clamped and fixed in the first placing groove 13 and the second placing groove 14.

[0034] The first connecting part 18 is arranged below the first mounting part 8, the second connecting part 19 is arranged below the second mounting part 9, and the first connecting part 18 and the second connecting part 19 are both butterfly-shaped structures. The lower part of the first connecting part 18 and the lower part of the second connecting part 19 are respectively connected with the inclined wrist arm and the positioning pipe support, and the butterfly-shaped structure can adjust the angle of the inclined wrist arm and the positioning pipe support relative to the horizontal wrist arm.

[0035] The first connecting hole 20 and the second connecting hole 21 are symmetrically arranged on the upper part of the first connecting part 18, and the third connecting hole 22 and the fourth connecting hole 23 are symmetrically arranged below the first connecting part 18. The fifth connecting hole 24 and the sixth connecting hole 25 are symmetrically arranged on the upper part of the second connecting part 19, and the seventh connecting hole 26 and the eighth connecting hole 27 are symmetrically arranged on the lower part of the second connecting part 19.

[0036] The first connecting hole 20 and the fifth connecting hole 24, the second connecting hole 21 and the sixth connecting hole 25, the third connecting hole 22 and the seventh connecting hole 26, and the fourth connecting hole 23 and the eighth connecting hole 27 are connected by bolts correspondingly. Among them, the first connecting hole 20 and the fifth connecting hole 24, the second connecting hole 21 and the sixth connecting hole 25 are used to fix and connect the first connecting unit 2 and the second connecting unit 3 with the flat arm. The third connecting hole 22 and the seventh connecting hole 26 are connected with the inclined arm, and the fourth connecting hole 23 and the eighth connecting hole 27 are connected with the positioning pipe support.

[0037] The limiting hole 6 is symmetrically provided with a limiting plate 7 away from one side of the occlusion groove 4, and the width between the limiting plates 7 is the same as the width of the occlusion hook 5. After the occlusion hook 5 is connected with the occlusion groove 4, the limiting plate 7 is arranged to fix the side wall of the occlusion hook 5, which further ensures that the occlusion hook 5 and the occlusion groove 4 will not be disconnected when the catenary is vibrated.

[0038] The number of the T-shaped locking rods 17 is two, and the number of the locking grooves 11 is the same as that of the T-shaped locking rods 17. The T-shaped locking rod 17 is arranged to avoid the rotation of the T-shaped locking rod 17 and the disconnection of the first connecting unit 2 when the load-bearing cable seat 1 is not connected with the load-bearing cable.

[0039] After the T-shaped locking rod 17 is connected with the locking groove 11, the horizontal height of the top of the T-shaped locking rod 17 is lower than that of the top of the locking hole 10. The height is arranged to ensure the smooth connection of the cover plate 28 and the load-bearing cable seat 1.

[0040] Therefore, the occlusion anti-disconnection type butterfly-shaped fixed support with the above structure is adopted in the present application, the load-bearing cable seat, the arm connector and the support connector are combined into one, the occlusion hook and the occlusion groove are connected, the use amount of bolts is greatly reduced, the stability is good and the safety factor is high when the overhead contact system is used.

[0041] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application but not to limit them, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A bite-locking anti-detachment butterfly-shaped fixing support, comprising a load-bearing cable seat, a first connecting unit, and a second connecting unit, characterized in that: The locking block at the top of the first connecting unit is connected to the locking hole in the center of the load-bearing cable seat. The engagement groove below the locking block is connected to the engagement hook of the second connecting unit. The limiting hole below the engagement groove matches the engagement hook. A limiting plate is symmetrically provided on the side of the limiting hole away from the engagement groove. A first mounting part is provided below the limiting hole, and a second mounting part is provided below the engagement hook. Locking grooves are symmetrically provided on the sidewall of the locking hole. The locking grooves match the protrusions on both sides of the locking block. The upper part is symmetrically provided with annular fixing platforms between the locking grooves. The locking grooves match the lower part of the T-shaped locking rods. After the T-shaped locking rods are connected to the locking grooves, the horizontal height of the top of the T-shaped locking rods is lower than the horizontal height of the top of the locking holes. The load-bearing cable seat is provided with a first placement groove. The second placement groove on the cover plate of the load-bearing cable seat is symmetrically provided with the first placement groove. The first locking hole on the load-bearing cable seat is connected to the second locking hole on the cover plate. The T-shaped locking rod is provided on the cover plate.

2. The bite-locking anti-dislodgement butterfly-shaped fixing support according to claim 1, characterized in that: There is one first placement slot and one second placement slot. The locking hole is provided in the middle of the first placement slot. The first locking holes are symmetrically arranged on the left and right sides of the load-bearing cable seat. The second locking holes are provided on the protrusions symmetrically arranged on the left and right sides of the cover plate.

3. The interlocking anti-dislodgement butterfly-shaped fixing support according to claim 1, characterized in that: There are two of each of the first and second placement slots. The first placement slots are symmetrically arranged on both sides of the locking hole. The first locking holes are symmetrically arranged on the front and rear sides of the load-bearing cable seat. The second locking holes are symmetrically arranged on the front and rear sides of the cover plate. The T-shaped locking rod connected to the locking slot is symmetrically arranged in the center of the cover plate.

4. The bite-locking anti-dislodgement butterfly-shaped fixing support according to claim 1, characterized in that: A first connecting part is provided below the first mounting part, and a second connecting part is provided below the second mounting part. Both the first connecting part and the second connecting part are butterfly-shaped structures.

5. A bite-locking anti-dislodgement butterfly-shaped fixing support according to claim 4, characterized in that: The first connecting part is symmetrically provided with a first connecting hole and a second connecting hole at its upper part, and symmetrically provided with a third connecting hole and a fourth connecting hole at its lower part. The second connecting part is symmetrically provided with a fifth connecting hole and a sixth connecting hole at its upper part, and symmetrically provided with a seventh connecting hole and an eighth connecting hole at its lower part.

6. The bite-locking anti-dislodgement butterfly-shaped fixing support according to claim 1, characterized in that: The width between the limiting plates is the same as the width of the biting hook.

7. The bite-locking anti-dislodgement butterfly-shaped fixing support according to claim 1, characterized in that: The number of T-shaped locking rods is two, and the number of locking grooves is the same as the number of T-shaped locking rods.

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