CN113602157A

CN113602157A - Contact rail mounting bracket

Info

Publication number: CN113602157A
Application number: CN202110958362.1A
Authority: CN
Inventors: 陈革
Original assignee: Hunan Xingguang Shuliu Technology Co ltd
Current assignee: Hunan Xingguang Shuliu Technology Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2021-11-05
Anticipated expiration: 2041-08-20
Also published as: CN113602157B

Abstract

The invention discloses a contact rail mounting bracket which is characterized by comprising a clamping head mechanism, an insulating mechanism, a connecting rod and a supporting mechanism; one end of the chuck mechanism is connected to one end of the insulating mechanism, and the other end of the chuck mechanism is provided with a chuck component which can be embedded into the C-shaped contact rail; one end of the connecting rod is fixedly connected with the other end of the insulating mechanism, and the other end of the connecting rod is inserted into or penetrates through the supporting mechanism and then is fixedly connected with the supporting mechanism; the depth of insertion or penetration of the connecting rod on the support mechanism is adjustable. The installation support can be used for installing the contact rail more reliably, and can also be used for adaptively contacting the C-shaped groove machining error size of the strand rail body, so that the rail body is supported in a gapless fit mode.

Description

Contact rail mounting bracket

Technical Field

The invention relates to the technical field of C-shaped contact rail insulation support of rail transit, in particular to a contact rail mounting bracket.

Background

In urban rail transit, especially in maglev trains, straddle monorail systems, adopt the rigidity contact rail of arranging along the line to pass through on-vehicle current collector and move the power supply for the train, the installation accuracy of contact rail is especially smooth nature precision and gives the fluid quality influence greatly to the current collector, the installation basis of contact rail on the circuit especially mixes earth basis and has centimetre level's dimensional error and angle error for the installation basis of contact rail, require that the contact rail installing support has the regulatory function of flexible size and deflection angle, require the contact rail to satisfy the relevant standard requirement to earth electrical insulation's electrical clearance and creepage distance simultaneously.

In the prior art, patent application No. 201710199381.4 provides an insulating support device for installing a contact rail, the core thought of the technology is that the open upper and lower arc surfaces of a support are clamped by clamping pieces which are separated into two halves through fastening bolts, an accessory mandrel under an insulator is clamped in a clamping arc hole which forms 90 degrees with the axis of the outer arc surface of the clamping piece by the clamping pieces, the outer arc surface of the clamping piece is provided with staggered longitudinal grooves and convex edges, the open upper and lower arc surfaces of the corresponding support are also provided with staggered longitudinal grooves and convex edges, the inner arc surface of the clamping piece is provided with staggered annular grooves and convex edges, and the cylindrical surface of the accessory mandrel under the corresponding insulator is also provided with staggered annular grooves and convex edges. During the centre gripping, the fastening bolt forces the upper and lower arc surface of support to open the mouth body and takes place elastic deformation and reduce uncovered application and add the holding power, during flexible size of adjustment and deflection angle, the inside and outside protruding edge of holder must break away from the cell body of counterpart completely, the uncovered elastic deformation volume of support will be greater than 2 total of groove depth at least, elastic deformation volume is big, the support part bears great clamping stress, easily cause the local moulding deformation of support or the centre gripping is not tight, lead to the insulator subassembly to deflect and make the rail body support inefficacy because of boots rail shock vibration in the use.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the contact rail mounting bracket, which not only can more reliably mount the contact rail, but also can be self-adaptive to the processing error size of the C-shaped groove of the contact strand rail body, and realizes the gapless fit support of the rail body.

In order to achieve the purpose, the invention provides a contact rail mounting bracket which comprises a clamping head mechanism, an insulating mechanism, a connecting rod and a supporting mechanism;

one end of the chuck mechanism is connected to one end of the insulating mechanism, and the other end of the chuck mechanism is provided with a chuck component which can be embedded into the C-shaped contact rail;

one end of the connecting rod is fixedly connected with the other end of the insulating mechanism, and the other end of the connecting rod is inserted into or penetrates through the supporting mechanism and then is fixedly connected with the supporting mechanism;

the depth of insertion or penetration of the connecting rod on the support mechanism is adjustable.

In one embodiment, the supporting mechanism is provided with a first through hole, and the end part of the connecting rod is inserted into or penetrates through the first through hole;

the side part of the connecting rod is provided with a T-shaped long groove along the length direction of the connecting rod, and the side part of the supporting mechanism is provided with a fixing structure capable of fixing the connecting rod;

the fixing structure comprises a fixing groove, a T-shaped bolt and a fixing nut, one end of the fixing groove is positioned on the side part of the supporting mechanism, and the other end of the fixing groove is positioned on the wall of the first through hole and communicated with the T-shaped long groove;

the T-shaped head of the T-shaped bolt penetrates through the fixing groove and is clamped with the T-shaped long groove, the tail of a screw rod of the T-shaped bolt is in threaded connection with the fixing nut, and the fixing nut is abutted against the outer side wall of the supporting mechanism.

In one embodiment, the matching surface of the T-shaped head part of the T-shaped bolt and the T-shaped long groove is provided with locking teeth.

In one embodiment, the number of the T-shaped long grooves is two, the two T-shaped long grooves are symmetrically arranged on two sides of the connecting rod, and the fixing structures correspond to the T-shaped long grooves one to one.

In one embodiment, the supporting mechanism comprises a base and a central ring arranged inside the base, a second through hole is arranged on the central ring, first through holes are arranged on the base corresponding to two ends of the second through hole, and the second through hole and the two first through holes jointly form the first through hole;

the center ring is of a hexahedral structure, and the center ring comprises: the left surface and the right surface are planes and are mutually symmetrical, the front surface and the rear surface are planes and are mutually symmetrical, and the upper surface and the lower surface are cambered surfaces with axes vertical to the second through holes and are mutually symmetrical; the second through hole penetrates through the central ring along the front surface and the rear surface of the central ring;

second through holes are formed in the positions, corresponding to the left and right surfaces of the center ring, of the base, the center ring is rotatably connected with the base through the second through holes, third through holes capable of penetrating through T-shaped heads of the T-shaped bolts are formed in the left and right surfaces of the center ring, and the third through holes are communicated with the second through holes;

the lateral part of the base is provided with a baffle capable of covering the second through hole, the baffle is provided with a fourth through hole, the fourth through hole is communicated with the third through hole, the baffle passes through the T-shaped bolt and is fixedly connected with the fixing nut at the lateral part of the base, namely, the third through hole and the fourth through hole jointly form the fixing groove.

In one embodiment, the left surface and the right surface of the central ring are provided with first strip-shaped convex edges arranged in a fan shape, one surface of the baffle plate facing the second through hole is provided with second strip-shaped convex edges arranged in a fan shape, and the first strip-shaped convex edges and the second strip-shaped convex edges are staggered and coaxial.

In one embodiment, counter bores and first springs corresponding to the baffle are arranged on two sides of the base, when the baffle and the base are fixed, one end of each first spring abuts against the bottom of the counter bore, the other end of each first spring abuts against the baffle, and the first springs are in a compressed state.

In one embodiment, the device further comprises a mounting mechanism and a locking mechanism, wherein the mounting mechanism is arranged at the end part of the insulating mechanism, and the chuck mechanism is rotationally connected with the mounting mechanism;

the clamping head component is of a cuboid block structure, the length of a long edge of the clamping head component is larger than the height of a notch of the C-shaped contact rail, and the length of a short edge of the clamping head component is smaller than the height of the notch of the C-shaped contact rail;

the chuck mechanism has a first state and a second state:

when the clamping head mechanism is in the first state, the long edge of the clamping head component is vertical to the groove height direction of the C-shaped contact rail;

when the clamping head mechanism is in the second state, the long edge of the clamping head component is parallel to the groove height direction of the C-shaped contact rail;

the locking mechanism is arranged on the mounting mechanism and is movably connected with the chuck mechanism so as to lock the chuck mechanism into the first state or the second state.

In one embodiment, the chuck mechanism comprises a core body with a shaft-shaped structure, one end of the core body is rotatably connected with the mounting mechanism, and the chuck component is arranged at the other end of the core body;

the clamping head component comprises a clamping head part with a cuboid block structure, elastic structures are arranged at two ends of the clamping head part along the long edge direction, each elastic structure comprises an elastic body, an inner shell and an outer shell, and the elastic bodies are groove-shaped structures and are sleeved at the corresponding ends of the clamping head part;

the inner shell is fixedly arranged on one surface of the elastic body facing the core body, and part of the edge of the inner shell is lapped on the side part of the elastic body;

the shell is fixedly arranged on one surface, far away from the core, of the elastic body, and part of the edge of the shell is lapped on the side part of the elastic body;

at the sides of the elastic body, there is a gap between the edge of the outer shell and the edge of the inner shell.

In one embodiment, the mounting mechanism comprises a chuck seat and a chuck seat cover, the chuck seat is fixedly arranged at the end part of the insulating mechanism, and the chuck seat cover is detachably connected to the chuck seat;

a rotating cavity is enclosed between the chuck seat and the chuck seat cover, and a third through hole communicated with the rotating cavity is formed in the chuck seat cover;

the end part of the core body is provided with a rotating part corresponding to the rotating cavity, the rotating part is rotatably connected in the rotating cavity, and the chuck seat cover is sleeved on the core body through the third through hole;

the locking mechanism comprises a locking pin and a second spring, the locking pin is a revolving body mechanism, and the locking pin comprises a guide part, a shaft shoulder part, a pin shaft part and a chamfer part which are sequentially connected along the axial direction;

a sliding groove is formed in the chuck seat cover, one end of the sliding groove is located on the outer wall of the chuck seat cover, the other end of the sliding groove is located on the hole wall of the third through hole, one end, corresponding to the chamfered part, of the locking pin is connected to the sliding groove in a sliding mode, and one end, corresponding to the guide part, of the locking pin is located outside the chuck seat;

a second step structure is arranged on the groove wall of the sliding groove, the second spring is sleeved on the guide part, one end of the second spring abuts against the second step structure, and the other end of the second spring abuts against the shaft shoulder part;

a first locking hole and a second locking hole are arranged on the circumference of the core body corresponding to the sliding groove, wherein the first locking hole is a counter bore, the depth of the first locking hole is smaller than or equal to the length of the chamfer part, the second locking hole is a counter bore or a through hole, the depth of the second locking hole is larger than the length of the chamfer part, the first locking hole and the second locking hole are round holes, and the diameters of the first locking hole and the second locking hole are larger than or equal to the diameter of the pin shaft part;

the axial of first locking hole with the minor face direction of dop subassembly is the same, the axial of second locking hole with the long limit direction of dop subassembly is the same, works as chamfer portion embedding during first locking hole, dop mechanism is in first state, works as chamfer portion with shaft shoulder embedding during second locking hole, dop mechanism is in the second state.

Compare in prior art, above-mentioned conductor rail installing support has following beneficial technological effect:

1. the depth of the connecting rod inserted or penetrated on the supporting mechanism is adjustable, and the connecting rod can rotate on the base along with the center ring, so that the feeding depth and the inclination angle of the chuck mechanism can be adjusted, and the contact rail can be installed more reliably;

2. the manufacturing error of the slotted hole of the rail body can be automatically adapted, the mounting process is simplified, the mounting working time is reduced, and the mounting cost is reduced;

3. the automatic locking of the locking mechanism ensures the effective locking of the working posture of the chuck mechanism, and avoids the deflection failure of the chuck mechanism in the long-term use process;

4. the composite chuck mechanism is easy to realize standardized mass production, and effectively reduces the cost.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a first isometric view of a contact rail mounting bracket in an embodiment of the invention;

FIG. 2 is a second isometric view of a contact rail mounting bracket in an embodiment of the invention;

FIG. 3 is an exploded view of a support mechanism according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a support mechanism in an embodiment of the present invention;

FIG. 5 is an isometric view of a connecting rod in an embodiment of the invention;

FIG. 6 is an isometric view of a center ring in an embodiment of the invention;

FIG. 7 is an isometric view of a frame in an embodiment of the invention;

FIG. 8 is an isometric view of a baffle plate in an embodiment of the invention;

FIG. 9 is a first isometric view of a brace in an embodiment of the invention;

FIG. 10 is a second isometric view of a brace in an embodiment of the invention;

FIG. 11 is a partial schematic view of a chuck mechanism and mounting mechanism in accordance with an embodiment of the present invention;

fig. 12 is an isometric view of a chuck mechanism in an embodiment of the present invention;

fig. 13 is a cross-sectional view of a chuck mechanism and mounting mechanism in an embodiment of the present invention;

fig. 14 is an isometric view of a locking pin in an embodiment of the present invention;

FIG. 15 is an isometric view of a mounting mechanism in an embodiment of the invention;

FIG. 16 is an exploded view of a mounting mechanism in accordance with an embodiment of the present invention;

fig. 17 is an isometric view of the chuck mechanism in a first state in relation to the position of the contact rail in accordance with an embodiment of the present invention;

fig. 18 is an elevational view of the chuck mechanism in a first state in relation to the position of the contact rails in accordance with an embodiment of the present invention;

fig. 19 is an isometric view of the chuck mechanism in a second state in relation to the contact rail in accordance with an embodiment of the present invention;

fig. 20 is an elevational view of the chuck mechanism in a second state in relation to the contact rails in an embodiment of the present invention.

Reference numerals:

the device comprises a connecting rod 1, a T-shaped long groove 101, a T-shaped bolt 102, a fixing nut 103 and a gasket 104;

a central ring 2, a second through hole 201, a third through hole 202, a first strip-shaped convex edge 203,

Baffle 3, fourth through hole 301 and second strip-shaped convex edge 302

The frame 4, a first plate body 401, a second plate body 402, a first opening 403, a second opening 404, a fifth through hole 405, a sixth through hole 406 and a mounting plate 407;

the support frame 5, a third plate body 501, a fourth plate body 502, a fifth plate body 503, a sixth plate body 504, a seventh plate body 505, an eighth plate body 506, a seventh through hole 507, an eighth through hole 508, a second through hole 509, a counter bore 5010, a first spring 5011 and a connecting bolt 5012;

a core body 6, a chuck part 601, an elastic body 602, an inner shell 603, an outer shell 604, a rotating part 605, a first locking hole 606, a second locking hole 607, and a notch surface 608;

a chuck base 7, a connecting block 701, a first mounting member 702, and a first fixing plate 703;

the chuck cover 8, a second mounting part 801, a second fixing plate 802, a sliding groove 803, a second step structure 804, a mounting block 805, a rotating cavity 806, a first step structure 807 and a fixing bolt 808;

a locking pin 9, a guide 901, a shaft shoulder 902, a pin shaft 903, a chamfer 904, a pull ring 905, a second spring 906;

an insulating mechanism 10;

the contact rail 11.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; the connection can be mechanical connection, electrical connection, physical connection or wireless communication connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Fig. 1 to 16 show a mounting bracket for a contact rail according to the present embodiment, which mainly includes a clamping mechanism, an insulating mechanism 10, a connecting rod 1, a supporting mechanism, a mounting mechanism, and a locking mechanism. Wherein, the insulating mechanism 10 is made of insulating composite material or ceramic, or can directly adopt common insulators on the market, the mounting mechanism is arranged at one end of the insulating mechanism 10, one end of the chuck mechanism is rotatably connected to the mounting mechanism, the other end of the chuck mechanism is provided with a chuck component which can be embedded into the C-shaped contact rail 11, and the locking mechanism is arranged on the mounting mechanism and is movably connected with the chuck mechanism so as to be used for fixing the chuck mechanism after the chuck mechanism rotates to a required angle.

One end of the connecting rod 1 is fixedly connected with the other end of the insulating mechanism 10, the other end of the connecting rod 1 is fixedly connected with the supporting mechanism after being inserted into or penetrating through the supporting mechanism, and the insertion or penetration depth of the connecting rod 1 on the supporting mechanism is adjustable. Specifically, a first through hole is arranged on the supporting mechanism, and the end part of the connecting rod 1 is inserted into or penetrates through the first through hole; the side of the connecting rod 1 is provided with a T-shaped long groove 101 along the length direction of the connecting rod 1, and the side of the supporting mechanism is provided with a fixing structure capable of fixing the connecting rod 1. The fixing structure comprises a fixing groove, a T-shaped bolt 102 and a fixing nut 103, wherein one end of the fixing groove is positioned at the side part of the supporting mechanism, and the other end of the fixing groove is positioned on the wall of the first through hole and communicated with the T-shaped long groove 101; the T-shaped head of the T-shaped bolt 102 penetrates through the fixing groove to be clamped with the T-shaped long groove 101, the tail of a screw rod of the T-shaped bolt 102 is in threaded connection with the fixing nut 103, the fixing nut 103 abuts against the outer side wall of the supporting mechanism through the gasket 104, namely rigid connection between the connecting rod 1 and the supporting mechanism is achieved through matching of the T-shaped long groove 101, the T-shaped bolt 102 and the fixing nut 103, in the process, the change of the matching position of the T-shaped long groove 101 and the T-shaped bolt 102 represents the insertion or penetration depth change of the connecting rod 1 on the supporting mechanism, and therefore the insertion or penetration depth of the connecting rod 1 on the supporting mechanism is adjustable.

In this embodiment, the fitting manner between the T-shaped head of the T-shaped bolt 102 and the T-shaped long groove 101 is as shown in fig. 4, that is, the T-shaped head of the T-shaped bolt 102 is located in the T-shaped head of the T-shaped long groove 101 and staggered with the T-shaped head, when the fixing nut 103 fixes the T-shaped bolt 102, the T-shaped bolt 102 pulls the connecting rod 1 outwards, so that the connecting rod 1 is tightly attached to the supporting mechanism, and further, the rigid connection between the connecting rod 1 and the supporting mechanism is realized. Preferably, the matching surfaces of the T-shaped head of the T-shaped bolt 102 and the T-shaped long groove 101 are provided with locking teeth, that is, the bottom surface of the T-shaped head of the T-shaped bolt 102 and the bottom surface of the T-shaped head of the T-shaped long groove 101 are provided with locking teeth, when the T-shaped bolt 102 tightens the connecting rod 1, the locking teeth on the two matching surfaces are engaged, so that the frictional resistance between the T-shaped bolt 102 and the T-shaped long groove 101 is increased, and the connection between the T-shaped bolt 102 and the T-shaped long groove 101 is more stable.

In a preferred embodiment, the number of the T-shaped long grooves 101 is two, the two T-shaped long grooves 101 are located on the same horizontal plane and symmetrically arranged on two sides of the connecting rod 1, and the fixing structures correspond to the T-shaped long grooves 101 one by one, so that the two T-bolts 102 simultaneously tighten the connecting rod 1 from the left and the right of the connecting rod 1 to further improve the connection stability between the connecting rod 1 and the supporting mechanism.

In this embodiment, the supporting mechanism includes the base and establishes at the inside center ring 2 of base, is equipped with second through-hole 201 on the center ring 2, and the position that corresponds second through-hole 201 both ends on the base is equipped with first through-hole, and first through-hole is constituteed jointly with two first through-holes to second through-hole 201, and wherein, second through-hole 201 is the round hole the same with connecting rod 1 diameter, and first through-hole is the bar hole of arranging along upper and lower direction, and the upper and lower both ends of this bar hole be with the semicircular structure the same with connecting rod 1 diameter. The center ring 2 is of a hexahedral structure, the left and right surfaces of the center ring 2 are planar and symmetrical to each other, the front and rear surfaces of the center ring 2 are planar and symmetrical to each other, the upper and lower surfaces of the center ring 2 are arc surfaces whose axes are perpendicular to the second through holes 201 and symmetrical to each other, and the second through holes 201 penetrate through the center ring 2 along the front and rear surfaces of the center ring 2. The position that corresponds two sides about 2 of centre rings on the base is equipped with second through-hole 509, and centre rings 2 rotates with the base through second through-hole 509 and links to each other, and when centre rings 2 rotated in the base is inside promptly, rotation also can be followed to connecting rod 1, and because first through-hole is the bar hole, and then has provided the rotation space for connecting rod 1. Furthermore, the left and right sides of the center ring 2 are provided with third through holes 202 capable of penetrating through the T-shaped heads of the T-shaped bolts 102, the third through holes 202 are communicated with the second through holes 201, the left and right sides of the base are provided with baffle plates 3 capable of covering the second through holes 509, the baffle plates 3 are provided with fourth through holes 301, the fourth through holes 301 are communicated with the third through holes 202, the baffle plates 3 are fixedly connected to the side parts of the base through the T-shaped bolts 102 and the fixing nuts 103, namely, the third through holes 202 and the fourth through holes 301 jointly form fixing grooves. In the using process, the connecting rod 1 is firstly rotated to a required angle and inserted or penetrated to a required depth, and then the rigid connection among the connecting rod 1, the center ring 2, the base and the baffle 3 is realized through the matching of the T-shaped long groove 101, the T-shaped bolt 102 and the fixing nut 103, so that the feeding depth and the inclination angle of the chuck mechanism can be adjusted, and the contact rail 11 can be further reliably installed.

As a preferred embodiment, the left and right surfaces of the central ring 2 are provided with first strip-shaped convex edges 203 arranged in a fan shape, one surface of the baffle 3 facing the second through hole 509 is provided with second strip-shaped convex edges 302 arranged in a fan shape, the width of the convex edges of the first strip-shaped convex edges 203 and the second strip-shaped convex edges 302 is smaller than the gap distance between the convex edges, after the baffle 3 is rigidly connected to the base, the first strip-shaped convex edges 203 and the second strip-shaped convex edges 302 are staggered and coaxial, thereby avoiding the baffle 3 from displacing on the base, and improving the connection stability between the baffle 3 and the base.

In a preferred embodiment, the base is provided with counter bores 5010 and first springs 5011 corresponding to the baffles 3 on both sides, after the baffles 3 are fixed to the base, one end of the first spring 5011 abuts against the bottom of the counter bore 5010, the other end abuts against the baffles 3, and the first spring 5011 is in a compressed state, so that when the fixing nut 103 is slightly loosened, the baffles 3 can be separated from the base by the elastic force of the first spring 5011, and the rigid connection among the connecting rod 1, the central ring 2, the base and the baffles 3 can be released. In a specific implementation, the baffle 3 is a square plate-shaped structure, each side of the base has two sets of counter bores 5010 and first springs 5011, and the two sets of counter bores 5010 and first springs 5011 are located at two corner positions of the same diagonal of the baffle 3.

In this embodiment, the base includes hollow frame 4 and support frame 5, and frame 4 and support frame 5 are the hexahedron structure, are equipped with first plate body 401 on the preceding terminal surface of frame 4, are equipped with second plate body 402 on the rear end surface, and the left end surface is equipped with first opening 403, and the right-hand member face is equipped with second opening 404, is equipped with fifth through-hole 405 on first plate body 401, is equipped with sixth through-hole 406 on second plate body 402, and the left and right sides of second plate body 402 is equipped with respectively can connect outside bearing structure's mounting panel 407. The front end surface of the support frame 5 is a third plate body 501, the rear end surface is a fourth plate body 502, the left end surface is a fifth plate body 503, the right end surface is a sixth plate body 504, the upper end surface is a seventh plate body 505, the lower end surface is an eighth plate body 506, the third plate body 501 is provided with a seventh through hole 507, and the fourth plate body 502 is provided with an eighth through hole 508. The support frame 5 is arranged inside the frame 4, the first plate 401 and the third plate 501 are fixedly connected through a connecting bolt 5012, the fifth through hole 405 and the seventh through hole 507 jointly form a first through hole on the front end surface of the base, the sixth through hole 406 and the eighth through hole 508 jointly form a first through hole on the rear end surface of the base, and the two second through holes 509 on the base are arranged on the fifth plate 503 and the sixth plate 504, i.e., the center ring 2 is rotatably connected to the support frame 5. Counter bores 5010 and first springs 5011 are formed in the fifth plate 503 and the sixth plate 504, and when the shutters 3 are fixed to the base, the two shutters 3 are inserted into the first opening 403 and the second opening 404, respectively.

In this embodiment, the dop subassembly is cuboid block structure, and the long limit length of dop subassembly is greater than the notch height of C shape conductor rail 11, and the minor face length of dop subassembly is less than the notch height of C shape conductor rail 11. The chuck mechanism has a first state and a second state. Referring to fig. 17-18, when the chuck mechanism is in the first state, the long sides of the chuck assembly are perpendicular to the channel height direction of the C-shaped contact rail 11; referring to fig. 19-20, when the chuck mechanism is in the second state, the long sides of the chuck assembly are parallel to the channel height direction of the C-shaped contact rail 11. The locking mechanism is arranged on the mounting mechanism and is movably connected with the chuck mechanism so as to lock the chuck mechanism into a first state or a second state. When the C-shaped contact rail 11 is supported, the clamping mechanism is in a first state initially, the clamping mechanism extends into the C-shaped contact rail 11 through the notch of the C-shaped contact rail 11 at the moment, and then the clamping mechanism is rotated to be changed into a second state, namely, two ends of the clamping head assembly are embedded into the upper end and the lower end of the C-shaped contact rail 11, and then the C-shaped contact rail 11 is supported.

In this embodiment, the chuck mechanism includes a core body 6 having a shaft-like structure, one end of the core body 6 is rotatably connected to the mounting mechanism, the chuck assembly is disposed at the other end of the core body 6, the chuck assembly includes a chuck portion 601 having a rectangular block-like structure, and elastic structures are disposed on both ends of the chuck portion 601 along the long side direction. The core body 6 is connected to the center of one surface of the chuck portion 601, and the core body 6 and the chuck portion 601 can be connected by bolts or welding or integrally formed. The elastic structure comprises an elastic body 602, an inner shell 603 and an outer shell 604, wherein the elastic body 602 is a groove-shaped structure and is sleeved at the corresponding end of the clamping head part 601, the inner shell 603 and the outer shell 604 are both of a hood-shaped structure with the top and a side part being opened, the inner shell 603 is fixedly covered on one surface of the elastic body 602 facing the core body 6, the side edge of the opening of the inner shell 603 is of an arc-shaped structure and is in contact connection with the core body 6, and three side part edges of the non-opening of the inner shell 603 are lapped at the side part of the elastic body 602. The outer shell 604 is fixed on the elastomer 602 on the side far from the core 6, and three side edges of the non-opening of the outer shell 604 overlap the sides of the elastomer 602, so as to prevent the elastomer 602 from being worn by the protection of the outer shell 604 and the inner shell 603. It is further preferable that there is a gap between the edge of the outer shell 604 and the edge of the inner shell 603 at the side of the elastic body 602, so that the outer shell 604 and the inner shell 603 have a sufficient deformation recovery space when the elastic structure is elastically deformed.

In the specific implementation process, the elastic body 602 is made of a high molecular elastic damping material, and can be separately manufactured by injection molding, compression molding and other processes and then glued with the chuck portion 601, the outer shell 604 and the inner shell 603, or integrally cast with the chuck portion 601, the outer shell 604 and the inner shell 603. The elastomer 602 has Shore hardness of 10-90 degrees and thickness of 1-10 mm; the outer shell 604 and the inner shell 603 are made of a high-strength hard material, preferably a metal material.

When the elastic structure is in a free state, the thickness of the chuck component is larger than the groove width of the C-shaped contact rail 11, and the difference value between the two is 1-5 mm. When supporting C shape conductor rail 11, initial dop mechanism is in first state, stretches into C shape conductor rail 11 with dop mechanism via the notch of C shape conductor rail 11 this moment in, rotates dop mechanism afterwards and makes it change into the second state, and elastomer 602 receives the extrusion at this in-process for the thickness of dop subassembly diminishes slightly, and the upper and lower both ends that make the both ends embedding C shape conductor rail 11 of dop subassembly, and then the completion is to C shape conductor rail 11. The elastic deformation of the elastic body 602 adapts to the width of the groove body, and the proper thickness and hardness of the elastic body 602 are selected to ensure proper support rigidity and sliding resistance of the rail body during stretching.

It should be noted that in this embodiment, the length of the long side of the chuck assembly refers to the length of the whole long side including the chuck portion 601, the elastic body 602, the inner shell 603 and the outer shell 604, the length of the short side of the chuck assembly refers to the length of the whole short side including the chuck portion 601, the elastic body 602, the inner shell 603 and the outer shell 604, and the thickness of the chuck assembly refers to the thickness of the whole including the chuck portion 601, the elastic body 602, the inner shell 603 and the outer shell 604.

In a preferred embodiment, the outer surface of the housing 604 is provided with a self-lubricating coating, which is made of a material with good adhesion and weather resistance and low friction coefficient, preferably teflon coating. Through setting up self-lubricating coating, frictional resistance when can effectively reduce the rail body and stretch out and draw back alleviates rail body wearing and tearing.

In a preferred embodiment, the inner shell 603, the outer shell 604 and the elastic body 602 are provided with a chamfer structure at two sides along the short side direction of the clip part 601, so that two ends of the clip assembly can be more easily embedded into the grooves at the upper and lower ends of the C-shaped contact rail 11.

In this embodiment, the mounting mechanism includes a chuck base 7 and a chuck base cover 8, the chuck base 7 is fixed to the end of the insulating mechanism 10 by a bolt or the like, and the chuck base cover 8 is detachably connected to the chuck base 7. A rotation cavity 806 of a revolving body structure is enclosed between the chuck base 7 and the chuck base cover 8, and a first step structure 807 is arranged in the rotation cavity 806. The end of the core 6 is provided with a shoulder as a rotating part 605, one end of the core 6 corresponding to the rotating part 605 extends into the rotating cavity 806, and the rotating part 605 is matched with the first step structure 807, so that the core 6 is rotatably connected in the rotating cavity 806 and cannot fall off from the rotating cavity 806. Specifically, the chuck base 7 includes a connecting block 701 and a base, wherein one end of the connecting block 701 is fixedly connected to the insulating mechanism 10, and the base is fixedly disposed at the other end of the connecting block 701 by welding or integrally forming. The base comprises a first mounting part 702 of a semicircular ring structure and first fixing plates 703 arranged on two sides of the first mounting part 702, the chuck seat cover 8 comprises a second mounting part 801 of a semicircular ring structure and second fixing plates 802 arranged on two sides of the second mounting part 801, and the first fixing plates 703 and the second fixing plates 802 are connected in pairs through fixing bolts 808, so that a rotating cavity 806 is enclosed between the first mounting part 702 and the second mounting part 801.

In this embodiment, the locking mechanism includes a locking pin 9 and a second spring 906, where the locking pin 9 is a revolving body mechanism, and the locking pin 9 includes a guide portion 901, a shaft shoulder portion 902, a pin shaft portion 903, and a chamfer portion 904, which are sequentially connected along an axial direction. The second mounting member 801 is provided with a mounting block 805, a slide groove 803 of a linear structure is arranged in the mounting block 805, and the length direction of the slide groove 803 is parallel to one radial direction of the core 6. One end of the sliding groove 803 is located on the outer wall of the chuck seat cover 8, the other end is located on the cavity wall of the rotating cavity 806, one end of the locking pin 9 corresponding to the chamfered portion 904 is slidably connected to the sliding groove 803, and one end of the locking pin 9 corresponding to the guiding portion 901 is located outside the chuck seat 7. A second step structure 804 is arranged on a groove wall of the sliding groove 803, the second spring 906 is sleeved on the guide portion 901, one end of the second spring 906 abuts against the second step structure 804, and the other end of the second spring 906 abuts against the shaft shoulder 902, when the shaft portion 903 and the chamfered portion 904 of the locking pin 9 are located in the sliding groove 803, the second spring 906 is in a compressed state, that is, the locking pin 9 has a tendency of sliding towards the direction of the rotating cavity 806. A first locking hole 606 and a second locking hole 607 are arranged on the circumference of the core 6 corresponding to the sliding groove 803, the first locking hole 606 and the second locking hole 607 are both circular holes, wherein the first locking hole 606 is a counter bore 5010, the depth of the first locking hole 606 is less than or equal to the length of the chamfered portion 904, the second locking hole 607 is a counter bore 5010 or a through hole, the depth of the second locking hole 607 is greater than the length of the chamfered portion 904, and the diameters of the first locking hole 606 and the second locking hole 607 are both greater than or equal to the diameter of the pin shaft portion 903. The axial direction of the first locking hole 606 is parallel to one radial direction of the core body 6, the axial direction of the first locking hole 606 is the same as the short side direction of the chuck component, the axial direction of the second locking hole 607 is parallel to one radial direction of the core body 6, and the axial direction of the second locking hole 607 is the same as the long side direction of the chuck component, namely, the first locking hole 606 is at the position of the side angle of the core body 6, and the first locking hole 606 is at the position of the side angle of the core body 6. When the chamfered portion 904 is fitted into the first locking hole 606, the chuck mechanism is in a first state, and when the chamfered portion 904 and the shoulder portion 902 are fitted into the second locking hole 607, the chuck mechanism is in a second state.

In this embodiment, a pull ring 905 is disposed at an end of the locking pin 9 corresponding to the guiding portion 901, so as to facilitate manual pulling of the locking pin 9.

In this embodiment, the middle of the core 6 is provided with a notch 608 adapted to a wrench, so that the core 6 can be rotated by the wrench.

The noise reduction principle of the noise reduction type C-shaped contact rail supporting device in the embodiment is as follows:

the C-shaped contact rail 11 is provided with a supporting point every 3 meters or so, when a rigid clamping head is adopted, the width of the groove of the contact rail 11 made of an extruded section bar is changed within a certain error range, and in order to ensure that the supporting clamping head is arranged in the groove of the contact rail 11, the thickness of the supporting clamping head must be smaller than the minimum groove width of the contact rail 11. Therefore, after the installation of the contact rail 11, a gap is inevitably formed between the contact rail 11 chuck and the contact rail 11, the support of the rail body is equivalent to a simply supported beam structure, the modal frequency of the rail body is higher, no damping exists during stimulated vibration, the attenuation of the vibration is slow, the noise tone is high, the noise propagation distance is long, and the time is long. In this embodiment, the elastic structure compounded by the elastic body 602 is arranged on the chuck part 601, so that the elastic deformation of the elastic body 602 causes zero clearance between the chuck component and the rail body after installation, and the elastic body 602 has a damping effect on excitation, so that the modal frequency of the rail body is reduced, vibration is quickly attenuated, noise and propagation time are further reduced, and a noise reduction effect is effectively achieved.

The use process of the noise reduction type C-shaped contact rail supporting device in the embodiment is as follows:

before the contact rail 11 is installed, after the inclination angle and the insertion depth of the support rod are adjusted, the chuck mechanism is rotated to the level of the long edge of the chuck assembly, namely, the chuck mechanism is in the first state, at this time, under the action of the second spring 906, part or all of the chamfered part 904 of the locking pin 9 is embedded into the first locking hole 606 of the core body 6, and the chuck mechanism is weakly restrained and positioned in the first state. Then the core body 6 is stretched into a rail body groove, a spanner is used for rotating the core body 6 at a notch surface 608 of the core body 6, the locking pin 9 automatically slides out of the first locking hole 606 along the chamfer part 904, the clamping head assembly is guided into the rail body groove through chamfer structures on two sides of the inner shell 603, the outer shell 604 and the elastic body 602, after the core body 6 rotates 90 degrees, the clamping head assembly is changed into a second state, two ends of the clamping head assembly support the rail body, at the moment, the second locking hole 607 on the core body 6 is aligned with the locking pin 9, the locking pin 9 is inserted into the second locking hole 607 of the core body 6 under the action of a second spring 906 force, and the posture locking of the clamping head mechanism is automatically realized. When the mounting support is dismounted, the pull ring 905 is pulled upwards, the locking pin 9 is pulled out of the second locking hole 607, the core body 6 is rotated by a wrench, the pull ring 905 can be released after the second locking hole 607 is staggered with the locking pin 9, the chuck core body 6 is continuously rotated until the chuck core body is rotated by an angle, the long edge of the chuck is in a horizontal position, at the moment, the part of the chamfer part 904 of the locking pin 9 is embedded into the first locking hole 606 of the core body 6, and weak constraint positioning of the chuck is automatically realized.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A contact rail mounting bracket is characterized by comprising a clamping head mechanism, an insulating mechanism, a connecting rod and a supporting mechanism;

2. The mounting bracket of claim 1, wherein the support mechanism is provided with a first through hole, and the end of the connecting rod is inserted into or passes through the first through hole;

3. The contact rail mounting bracket of claim 2, wherein the mating surfaces of the T-head of the T-bolt and the T-slot have locking teeth thereon.

4. The busbar mounting bracket of claim 2, wherein the number of the T-shaped slots is two, the two T-shaped slots are symmetrically arranged on two sides of the connecting rod, and the fixing structures correspond to the T-shaped slots one to one.

5. The mounting bracket for the contact rail according to claim 4, wherein the supporting mechanism comprises a base and a center ring arranged in the base, a second through hole is arranged on the center ring, first through holes are arranged on the base corresponding to two ends of the second through hole, and the second through hole and the two first through holes jointly form the first through hole;

6. The mounting bracket for the contact rail according to claim 5, wherein the left and right surfaces of the central ring are provided with first strip-shaped convex edges arranged in a fan shape, one surface of the baffle plate facing the second through hole is provided with second strip-shaped convex edges arranged in a fan shape, and the first strip-shaped convex edges and the second strip-shaped convex edges are staggered and coaxial.

7. The mounting bracket of claim 6, wherein the base is provided at opposite sides thereof with a counterbore and a first spring corresponding to the baffle, and when the baffle is fixed to the base, one end of the first spring abuts against the bottom of the counterbore and the other end abuts against the baffle, and the first spring is in a compressed state.

8. The contact rail mounting bracket of any of claims 1-7 further comprising mounting means and locking means, said mounting means being provided at an end of said insulating means, said chuck means being rotatably connected to said mounting means;

the chuck mechanism has a first state and a second state:

9. The contact rail mounting bracket of claim 8 wherein said chuck mechanism includes a core body of a shaft-like configuration, one end of said core body being pivotally connected to said mounting mechanism, said chuck assembly being disposed at the other end of said core body;

10. The contact rail mounting bracket of claim 9 wherein said mounting means includes a chuck base and a chuck base cap, said chuck base being fixedly disposed at an end of said insulating means, said chuck base cap being removably attached to said chuck base;