阅读说明：本技术 用于转辙机的动程调节机构及包括其的锁闭杆、表示杆 (Travel adjusting mechanism for switch machine and locking rod and indicating rod comprising same ) 是由 边衡 阎鹏 姚胜良 刘川河 赵建平 苏程兴 施俊明 贾亚红 苏毅 于 2020-09-01 设计创作，主要内容包括：本发明公开了一种用于转辙机的动程调节机构及包括其的锁闭杆、表示杆,属于连接结构领域,动程调节机构包括螺杆接头和与螺杆接头一侧依次螺纹连接的前螺母、调节螺套和后螺母,所述调节螺套一端的外壁上设有限位凸起,所述调节螺套另一端的外壁上螺纹连接有圆螺母,所述限位凸起和圆螺母用于配合夹住主付杆接头,通过旋转调节螺套带动付杆移动调节转辙机主、付杆缺口的距离,所述前螺母和后螺母配合夹紧调节螺套。本发明的动程调节机构可直接连接在付锁闭杆(或表示杆)与锁闭杆接头(或表示杆接头),保证了锁闭杆(或表示杆)原有的功能不变；并使联动锁闭杆的调节结构设置于转辙机外杆接头处,方便现场观察、检查和调整。(The invention discloses a stroke adjusting mechanism for a switch machine, a locking rod and a display rod comprising the stroke adjusting mechanism, and belongs to the field of connecting structures. The stroke adjusting mechanism can be directly connected with the auxiliary locking rod (or the indication rod) and the locking rod joint (or the indication rod joint), so that the original function of the locking rod (or the indication rod) is ensured to be unchanged; and the adjusting structure of the linkage locking rod is arranged at the joint of the outer rod of the switch machine, so that the on-site observation, inspection and adjustment are convenient.)

1. The utility model provides a stroke adjustment mechanism for goat, its characterized in that includes screw rod joint and with screw rod joint one side screw thread connection's preceding nut in proper order, adjust swivel nut and back nut, the opposite side that the screw rod connects is used for in screw in goat auxiliary rod, it is used for passing the connecting hole that main auxiliary rod connects and fixed to adjust the swivel nut, be equipped with spacing arch on the outer wall of adjusting swivel nut one end, threaded connection has round nut on the outer wall of adjusting the swivel nut other end, spacing arch and round nut are used for the cooperation to carry main auxiliary rod and connect, drive auxiliary rod through rotatory regulation swivel nut and remove the distance of adjusting goat owner, auxiliary rod breach, preceding nut and back nut cooperation press from both sides tight regulation swivel nut.

2. The travel adjusting mechanism for a switch machine as claimed in claim 1, wherein a cylindrical pin is further driven into a threaded joint of the round nut and the adjusting screw sleeve for limiting loosening of the round nut.

3. A stroke adjustment mechanism for a switch machine as claimed in claim 1 or 2, further comprising two washers for being installed between the round nut and the joint of the main and sub rods and between the limit projection and the joint of the main and sub rods, respectively.

4. A stroke adjusting mechanism for a switch machine as claimed in any one of claims 1 to 3, further comprising a fastening screw sleeve provided between the front nut and the adjusting screw sleeve, the fastening screw sleeve including a screw portion screw-coupled to the screw joint and a clamping portion for being fitted over the round nut, the clamping portion and the adjusting screw sleeve clamping the locking bar joint by rotating the screw portion.

5. A stroke adjusting mechanism for a switch machine as claimed in any one of claims 1 to 4, further comprising two elastic washers respectively connected between the front nut and the adjusting screw sleeve and between the rear nut and the adjusting screw sleeve.

6. A linked lock rod for a switch machine, comprising a lock rod joint, and a main lock rod and a sub lock rod connected to the lock rod joint, respectively, wherein the stroke adjusting mechanism for a switch machine according to any one of claims 1 to 5 is connected between the sub lock rod and the lock rod joint.

7. The interlocking lock rod for a switch machine according to claim 6, wherein the lock rod joint is an insulating lock rod joint provided with an insulating layer, and the main lock rod and the sub lock rod are not in direct contact with each other.

8. The linked locking bar for a switch machine as claimed in claim 6 or 7, wherein a stroke monitoring magnetic strip is provided on each of the vertical surface of the middle of the main locking bar and the vertical surface of the middle of the secondary locking bar.

9. A switch machine linkage indicating rod, characterized in that the stroke adjusting mechanism for a switch machine according to any one of claims 1 to 5 is connected to the indicating rod.

10. A switch point mounting indicating rod, wherein the indicating rod is connected with a stroke adjusting mechanism for a switch machine according to any one of claims 1 to 5.

Technical Field

The invention relates to the field of connection structures, in particular to the field of switch machines for railway turnouts, and particularly relates to a stroke adjusting mechanism for a switch machine, and a locking rod and a display rod comprising the stroke adjusting mechanism.

Background

The linkage locking rod for the existing switch machine is generally square or semicircular, the whole linkage locking rod is a main rod and a secondary rod which are tightly attached into a whole, the linkage locking rod and the secondary rod are combined into a square or circular whole, the whole linkage locking rod is integrally installed to the switch machine, a stroke adjusting mechanism is arranged in a protective pipe and the inside of the switch machine, and an insulating plate and a rod joint are separated. In the existing structure, because a gap is formed between the main rod and the auxiliary rod, water easily enters the gap; the adjusting structure is arranged in the machine, so that looseness cannot be found at the first time, and meanwhile, the adjusting structure is inconvenient to observe and operate when needing to be adjusted on site; the insulation adopts the insulating pad, and coverage is less, has rain water or other foreign matters and easily takes place insulating inefficacy when on the pole joint. It can be seen that there are many areas where improvements are needed in the linkage locking rods for prior art switch machines.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a stroke adjusting mechanism for a point switch, and a locking rod and a display rod comprising the stroke adjusting mechanism, which can achieve the purposes of ensuring the original checking function to be unchanged, improving the waterproof, insulating and anti-loosening performances of the point switch and facilitating field adjustment and observation.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

on one hand, the invention provides a stroke adjusting mechanism for a switch machine, which comprises a screw rod joint, a front nut, an adjusting screw sleeve and a rear nut, wherein the front nut, the adjusting screw sleeve and the rear nut are sequentially in threaded connection with one side of the screw rod joint, the other side of the screw rod joint is used for being screwed into a secondary rod of the switch machine, the adjusting screw sleeve is used for penetrating through a connecting hole of the primary and secondary rod joint and being fixed, a limiting bulge is arranged on the outer wall of one end of the adjusting screw sleeve, a round nut is in threaded connection with the outer wall of the other end of the adjusting screw sleeve, the limiting bulge and the round nut are used for cooperatively clamping the primary and secondary rod joint, the secondary rod is driven to move by rotating the adjusting screw sleeve to adjust the distance between gaps of.

Further, the main lever may be a main locking lever or a main indicating lever, and correspondingly, the auxiliary lever may be an auxiliary locking lever or an auxiliary indicating lever, and the main and auxiliary lever notches are main and auxiliary lever locking notches or main and auxiliary lever locking notches indicate notches.

Furthermore, a cylindrical pin is driven into the threaded joint of the round nut and the adjusting screw sleeve and used for limiting the loosening of the round nut.

Furthermore, the device also comprises two gaskets which are respectively arranged between the round nut and the joint of the main and auxiliary rods and between the limiting bulge and the joint of the main and auxiliary rods.

And the locking rod joint is clamped by the clamping part and the adjusting threaded sleeve by rotating the threaded part.

Furthermore, the adjusting device also comprises two elastic cushions which are respectively connected between the front nut and the adjusting threaded sleeve and between the rear nut and the adjusting threaded sleeve.

In another aspect, there is provided a switch machine interlock lock rod including a lock rod joint, and a main lock rod and a sub lock rod connected to the lock rod joint, respectively, wherein the stroke adjustment mechanism for the switch machine is connected between the sub lock rod and the lock rod joint.

Furthermore, the locking rod joint is an insulating locking rod joint provided with an insulating layer, and the main locking rod is not directly contacted with the auxiliary locking rod.

Furthermore, a vertical surface in the middle of the main locking rod and a vertical surface in the middle of the auxiliary locking rod are respectively provided with a stroke monitoring magnetic strip.

In yet another aspect, a switch machine linkage indicating rod is provided, and the indicating rod is connected with the stroke adjusting mechanism for the switch machine.

In yet another aspect, a switch mounting device is provided with a display rod to which the travel adjustment mechanism for a switch machine is connected.

After adopting such design, the invention has at least the following advantages:

(1) the stroke adjusting mechanism can be directly connected with the auxiliary locking rod (or the indication rod) and the locking rod joint (or the indication rod joint), so that the original function of the locking rod (or the indication rod) is ensured to be unchanged; after the stroke adjusting mechanism is installed, the anti-loosening, waterproof and insulating performances are improved compared with the original linkage locking rod; the adjusting structure of the linkage locking rod is arranged at the joint of the outer rod of the switch machine, so that the on-site observation, inspection and adjustment are facilitated; and may be used in various switch machines.

(2) The locking rod joint is an insulating joint, so that the insulation reliability can be improved, and the main and auxiliary rods of the linkage locking rod extend out of the switch machine through the double-hole round hole sleeve of the switch machine, so that the waterproof performance of the switch machine is improved.

(3) Compared with the original linkage locking rod, the locking rod of the invention is added with a stroke monitoring magnetic stripe, thereby being convenient for monitoring stroke data of the switch machine.

Drawings

The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.

Fig. 1 is a schematic cross-sectional view of one embodiment of a switch machine interlock lock bar of the present invention.

The device comprises a pair of locking rods, a screw rod joint 2, a front nut 3, a fastening screw sleeve 4, a cylindrical pin 5, a round nut 6, a gasket 7, an adjusting screw sleeve 8, an insulating rod joint 9, a cylindrical pin 10, an insulating layer 11, a main locking rod 12, a stroke monitoring magnetic stripe 13 and a stroke monitoring magnetic stripe 14.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The invention provides an embodiment of a stroke adjusting mechanism for a switch machine, which comprises a screw rod joint 2, a front nut 3, an adjusting screw sleeve 8 and a rear nut, wherein the front nut 3, the adjusting screw sleeve 8 and the rear nut are sequentially in threaded connection with one side of the screw rod joint 2, the other side of the screw rod joint 2 is used for being screwed into a secondary rod of the switch machine, the adjusting screw sleeve 8 is used for penetrating through a connecting hole of the primary and secondary rod joint and fixing, a limiting bulge is arranged on the outer wall of one end of the adjusting screw sleeve 8, a round nut 6 is in threaded connection with the outer wall of one end of the adjusting screw sleeve 8, the limiting bulge and the round nut 6 are used for cooperatively clamping the primary and secondary rod joint, the secondary rod is driven to move by rotating the adjusting screw sleeve 8 to adjust the distance of gaps of the primary and secondary.

In general, the main rod may be a main locking rod or a main indicating rod, the auxiliary rod may be an auxiliary locking rod or an auxiliary indicating rod, the main and auxiliary rod notches may be main and auxiliary rod locking notches or main and auxiliary rod locking notches indicate notches, and the main and auxiliary rod joint may be a main and auxiliary locking rod joint or a main and auxiliary indicating rod joint.

When the invention is used, taking a locking rod as an example, the auxiliary rod is connected with the rod joint through the screw rod joint, one side of the screw rod joint is screwed into the auxiliary rod, the other side of the screw rod joint is provided with the adjusting screw sleeve, the adjusting screw sleeve penetrates through a connecting hole on the main and auxiliary rod joint, the other side of the adjusting screw sleeve is provided with the round nut which is matched with the limiting bulge to clamp the rod joint, the distance between the locking notches of the main rod and the auxiliary rod of the switch can be steplessly adjusted by rotating the adjusting screw sleeve within a design range, and the looseness among the adjusting screw sleeve, the screw sleeve and the screw rod joint is prevented by screwing the front nut. The stroke adjusting mechanism can be directly connected with the auxiliary locking rod (or the indication rod) and the locking rod joint (or the indication rod joint), so that the original function of the locking rod (or the indication rod) is ensured to be unchanged; after the stroke adjusting mechanism is installed, the anti-loosening, waterproof and insulating performances are improved compared with the original linkage locking rod; the adjusting structure of the linkage locking rod is arranged at the joint of the outer rod of the switch machine, so that the on-site observation, inspection and adjustment are facilitated; and may be used in various switch machines.

Furthermore, a cylindrical pin is driven into the threaded joint of the round nut 6 and the adjusting screw sleeve 8 to limit the loosening of the round nut 6 and the adjusting screw sleeve 8.

Further, the device also comprises two gaskets 7 which are respectively arranged between the round nut 6 and the joint of the main and auxiliary rods and between the limiting bulge and the joint of the main and auxiliary rods.

Further, the locking rod locking device further comprises a fastening threaded sleeve 4 arranged between the front nut 3 and the adjusting threaded sleeve 8, the fastening threaded sleeve 4 comprises a threaded portion in threaded connection with the screw joint 2 and a clamping portion sleeved on the round nut 6, and the clamping portion and the adjusting threaded sleeve 8 clamp the locking rod joint through rotation of the threaded portion.

Further, the adjusting device also comprises two elastic cushions which are respectively connected between the front nut 3 and the adjusting threaded sleeve 8 and between the rear nut and the adjusting threaded sleeve 8.

On the other hand, the interlocking lock rod for the switch comprises a lock rod joint 9, and a main lock rod 12 and a secondary lock rod 1 which are respectively connected with the lock rod joint 9, wherein the stroke adjusting mechanism for the switch is connected between the secondary lock rod 1 and the lock rod joint 9.

Furthermore, the locking rod joint 9 is an insulating locking rod joint provided with an insulating layer 11, and the locking rod joint and the insulating layer are cast integrally to form the insulating locking rod joint, so that the insulating reliability is improved, disassembly inspection is not needed, and the maintenance workload is reduced. The linkage locking rod can adopt a main locking rod and a secondary locking rod with cylindrical extending sections, the main locking rod and the secondary locking rod are respectively connected with the locking rod joint, the main locking rod and the secondary locking rod are not in direct contact, and the main locking rod and the secondary locking rod of the linkage locking rod extend out of the switch machine through a double-hole circular hole sleeve of the switch machine, so that the waterproof performance of the switch machine is improved.

Furthermore, a stroke monitoring magnetic stripe 14 is arranged on the vertical surface in the middle of the main locking rod 12, and a stroke monitoring magnetic stripe 13 is arranged on the vertical surface in the middle of the auxiliary locking rod 1 and used for monitoring stroke data of the switch machine.

One embodiment of the invention in use may be:

during specific installation, one side of the screw rod joint 2 is screwed into the auxiliary locking rod 1, and the other side of the screw rod joint is respectively filled with the front nut 3, the elastic pad, the fastening threaded sleeve 4, the round nut 6, the gasket 7, the insulating rod joint 9, the gasket 7, the adjusting threaded sleeve 8, the elastic pad and the rear nut from left to right. The adjusting threaded sleeve 8 penetrates through a hole in the insulating rod joint 9, a round nut 6 is installed on the other side of the adjusting threaded sleeve 8, and the adjusting threaded sleeve is matched with the limiting protrusion to clamp the insulating rod joint 9 and the gasket 7. When the round nut 6 is installed, the gap between the middle part and the middle part is ensured to be between 0.1mm and 0.5mm, the cylindrical pin 5 is driven into the threaded joint of the round nut 6 and the adjusting screw sleeve 8, the round nut 6 is ensured not to be loosened, the size of the gap can be kept unchanged, and the adjusting screw sleeve 8 can rotate freely.

When the auxiliary locking device is used, the adjusting screw sleeve 8 is rotated, the screw rod joint 2 drives the auxiliary locking rod 1 to move in a design range, and the distance between the locking notches of the main rod and the auxiliary rod of the point switch can be adjusted steplessly; when the gap is adjusted to a proper position, the fastening screw sleeve 4 is rotated, the fastening screw sleeve 4 and the adjusting screw sleeve 8 can further clamp the insulating rod joint 9, meanwhile, the gap between the adjusting screw sleeve 8 and the insulating rod joint 9 is eliminated, and then the elastic pads on the two sides, the front nut 3 and the rear nut are screwed, so that the whole mechanism is ensured not to be loosened and has no gap.

In yet another aspect, the travel adjustment mechanism described above may also be applied to switch machine linkage indicating rods and switch mounting device indicating rods.

The stroke adjusting mechanism can be directly connected with the auxiliary locking rod (or the indication rod) and the locking rod joint (or the indication rod joint), so that the original function of the locking rod (or the indication rod) is ensured to be unchanged; after the stroke adjusting mechanism is installed, the anti-loosening, waterproof and insulating performances are improved compared with the original linkage locking rod; the adjusting structure of the linkage locking rod is arranged at the joint of the outer rod of the switch machine, so that the on-site observation, inspection and adjustment are facilitated; and may be used in various switch machines. The locking rod joint is an insulating joint, so that the insulation reliability can be improved, and the main and auxiliary rods of the linkage locking rod extend out of the switch machine through the double-hole round hole sleeve of the switch machine, so that the waterproof performance of the switch machine is improved. Compared with the original linkage locking rod, the locking rod of the invention is added with a stroke monitoring magnetic stripe, thereby being convenient for monitoring stroke data of the switch machine.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.