A linkage detection rod and method for adjusting the stroke of the tail of a conversion device

Abstract

The present invention relates to a linkage detection rod and method for adjusting the stroke of the tail of a conversion device, which is characterized by comprising: a linkage detection control unit (25), a linkage locking rod (22) and a linkage indicating rod (23), wherein the linkage detection control unit (25) is installed on the outside of a turnout (24), the linkage locking rod (22) and the linkage indicating rod (23) are respectively installed in the linkage detection control unit (25) at different traction points of the turnout (24), and the linkage locking rod (22) and the linkage indicating rod (23) are vertically fixed between two pointed rails of the turnout (24) through the linkage detection control unit (25), wherein the linkage detection rod comprises the linkage locking rod (22) and the linkage indicating rod (23). The linkage detection rod and method for adjusting the stroke of the tail of the conversion device can improve the sealing performance of the whole machine, extend the service life, and provide the reliability of the detection rod.

Description

Technical Field

[0001] The present invention belongs to the field of railway turnout switching equipment, in particular to a linkage detection rod and method for adjusting the stroke of the tail of the switching equipment, which is suitable for a switch machine or a close contact checker. The rod is installed in a switch machine or a close contact checker or similar equipment to check the status of the switch point rail and the movable heart rail. Background Art

[0002] After the railway turnout is switched, there are strict requirements for the close fit between the point rail and the base rail to ensure driving safety. The switch machine and the close fit checker or similar equipment have the function of detecting the close fit between the point rail and the base rail. The switch machines, close fit checkers or similar equipment currently used are basically connected to the point rail with a detection rod, and a detection port (notch or boss) is set at the appropriate position of the detection rod. When the detection port (notch or boss) of the detection rod moves in the switch machine, close fit checker or similar equipment until the point rail and the base rail meet the close fit requirements, the mechanism in the switch machine, close fit checker or similar equipment will be activated to connect the contacts; when the detection port (notch or boss) of the detection rod is not in the designed position, the contacts in the switch machine, close fit checker or similar equipment cannot be connected.

[0003] The linkage detection rod is usually composed of two rods and other auxiliary parts. According to different structures, it can be divided into a linkage locking rod and a linkage indicating rod. The linkage detection rod is two rods connected together, and an adjustment mechanism is provided. The rods can be displaced within a certain range to adjust the travel. When in use, the two rods are connected to the switch point rail at the same time.

[0004] The current linkage detection rod structure is a square rod structure, which increases the difficulty of sealing performance. Summary of the invention

[0005] The purpose of the present invention is to provide a linkage detection rod and method for adjusting the stroke of the tail of a conversion device, so as to improve the sealing performance of the whole machine, extend the service life, and provide the reliability of the detection rod.

[0006] The technical solution of the present invention is: to relate to a linkage detection rod and method for adjusting the stroke of the tail of a conversion device, characterized in that: it includes: a linkage detection control unit, a linkage detection rod, a linkage detection control unit is installed on the outer side of a turnout, the linkage detection rod is vertically fixedly installed by the linkage detection control unit, the linkage detection rod is between the two point rails of the turnout, the linkage detection rod includes a linkage locking rod and a linkage indicating rod, the linkage locking rod and the linkage indicating rod are respectively composed of a first rod, a second rod and a joint, and there are notches or bosses on the first rod and the second rod respectively, and the close contact state of the point rail and the basic rail is obtained through the notches or bosses on the first rod and the second rod, and the contact connection or disconnection information is given; the linkage locking rod includes: a first rod of the locking rod, a second rod of the locking rod, a joint iron, an adjustment rod, an adjustment nut, a guide screw, a connecting bolt, a bolt pin, two connecting bolts, 3 nuts, a locking nut, a double-ear locking sheet, a pin, a Single-ear anti-loosening piece; the connecting bolt is inserted into the step hole of the first rod of the locking rod, and the anti-loosening nut is used to lock the second rod of the locking rod with the first rod of the locking rod to prevent the first rod of the locking rod and the second rod of the locking rod from sliding back and forth; the joint iron is connected to one end of the first rod of the locking rod through two sets of connecting bolts and nuts; a bolt pin is installed at the end of the joint iron, and the bolt pin is connected to the rod outside the conversion device; the two nuts are prevented from loosening using double-ear anti-loosening pieces; the rods of the first rod of the locking rod and the second rod of the locking rod are both provided with straight notches and oblique notches, the first rod of the locking rod is provided with a straight notch close to the installation adjustment mother part, and the first rod of the locking rod is provided with an oblique notch away from the installation adjustment mother part.

[0007] The second rod of the locking rod is provided with an oblique notch near the installation adjustment rod portion, and the second rod of the locking rod is provided with a straight notch away from the adjustment rod portion.

[0008] The straight notch and the oblique notch of the second rod of the locking rod are used to detect the position status of the turnout; the straight notch on the first rod of the locking rod corresponds to the oblique notch on the second rod of the locking rod; the oblique notch on the first rod of the locking rod corresponds to the straight notch on the second rod of the locking rod; the first rod of the locking rod and the connecting iron end are round rod structures, and the rest are square rod structures; the intersection of the round rod and the square rod is a R0.5-R1 rounded transition; the head step of the square rod structure of the first rod of the locking rod is an R3-R5 rounded corner; the second rod of the locking rod is a square rod structure; the first rod of the locking rod and the second rod of the locking rod constitute a linked locking rod.

[0009] The guide screw is in a stepped structure as a whole, with a large head and a small tail. The head is a cylindrical structure with a groove, the middle is a round polished rod, and the tail is a round screw rod. The head of the guide screw stops at the step hole of the first rod of the locking rod. The middle round polished rod of the guide screw penetrates into the step hole of the first rod of the locking rod to guide the first rod of the locking rod. The round screw rod at the tail of the guide screw is connected to the threaded hole of the second rod of the locking rod, and a thread locking agent is applied to the threaded connection. A certain gap is reserved between the step surface of the middle round polished rod of the guide screw and the step surface of the first rod of the locking rod. The step surface of the round screw rod at the tail of the guide screw presses the end surface of the second rod of the locking rod. When the stroke of the linkage locking rod is adjusted, the guide screw does not need to be adjusted.

[0010] The tail of the first rod of the locking rod is inserted into the adjusting nut, and the threaded hole of the adjusting nut is connected to the screw of the adjusting rod; the adjusting rod is inserted into the tail of the second rod of the locking rod, and the pin is interference fit with the second rod of the locking rod. The pin limits the front and rear position of the adjusting rod along the rod, so that the adjusting rod can only rotate along the axis; after the adjusting rod rotates, it drives the adjusting nut to move forward and backward; the rotational movement of the adjusting rod along the axis is prevented from loosening by a single-ear anti-loosening sheet.

[0011] The linkage indicating rod of the linkage detection rod comprises: a first rod of the indicating rod, a second rod of the indicating rod, a joint iron, an adjustment rod, an adjustment nut, a guide screw, a connecting bolt, a bolt pin, two connecting bolts, 3 nuts, a locking nut, a double-ear locking plate, a pin, and a single-ear locking plate; the connecting bolt is inserted into the step hole of the first rod of the indicating rod, and the second rod of the indicating rod is locked with the first rod of the indicating rod by using the locking nut to prevent the first rod of the indicating rod and the second rod of the indicating rod from sliding back and forth; the joint iron is connected to one end of the first rod of the indicating rod by two groups of connecting bolts and nuts; a bolt pin is installed at the end of the joint iron, and the bolt pin is connected to the rod member outside the conversion device; the two nuts are locked with double-ear locking plates; the rods of the first rod of the indicating rod and the second rod of the indicating rod are both provided with straight notches and oblique notches, and the indicating rod The first rod of the indicating rod is provided with a straight notch near the installation adjustment mother part, and the first rod of the indicating rod is provided with an oblique notch away from the installation adjustment mother part; the second rod of the indicating rod is provided with an oblique notch near the installation adjustment rod part, and the second rod of the indicating rod is provided with a straight notch away from the adjustment rod part; the straight notch and the oblique notch are used to detect the position status of the turnout; the straight notch on the first rod of the indicating rod corresponds to the oblique notch on the second rod of the indicating rod; the oblique notch on the first rod of the indicating rod corresponds to the straight notch on the second rod of the indicating rod; the connecting end of the first rod of the indicating rod and the joint iron is a round rod structure, and the rest is a square rod structure; the intersection of the round rod and the square rod is a R0.5-R1 rounded transition; the head step of the square rod structure of the first rod of the indicating rod is an R3-R5 rounded corner; the second rod of the indicating rod is a square rod structure; the first rod of the indicating rod and the second rod of the indicating rod constitute a linkage locking rod.

[0012] The first rod of the indicating rod and the second rod of the indicating rod are respectively installed with a check block, a spring, a guide rod and a guide nail; the check block is fixed on the rod by the spring and the guide rod; the check block will be displaced when the switch is squeezed; at the same time, the first rod of the indicating rod and the second rod of the indicating rod are both provided with oblique notches; the straight notch of the check block and the oblique notch on the rod are used to detect the position status of the switch.

[0013] The straight notch on the first rod of the indicating rod for installing the inspection block corresponds to the oblique notch on the second rod of the indicating rod; the oblique notch on the first rod of the indicating rod corresponds to the straight notch on the inspection block installed on the second rod of the indicating rod.

[0014] The advantages of the present invention are as follows: the linkage detection control unit, linkage locking rod and linkage indicating rod of the present invention are installed on the outer side of the turnout, and the linkage locking rod and linkage indicating rod are respectively installed in the linkage detection control unit at different traction points of the turnout; the linkage locking rod and linkage indicating rod are vertically installed and fixed between the two pointed rails of the turnout through the linkage detection control unit, the linkage detection rod comprises the linkage locking rod and the linkage indicating rod, the linkage locking rod and the linkage indicating rod are respectively composed of a first rod, a second rod and a joint iron, and the linkage detection control unit adjusts the linkage locking rod and / or the linkage indicating rod according to the following steps:

[0015] First, extend the linkage detection rod, adjust the rod connecting the linkage detection rod and the turnout point rail (movable heart rail) to an appropriate length, so that the straight notch of the inspection block installed on the first rod is in the specified position; after the adjustment of the extended side of the linkage detection rod is completed, pull the linkage detection rod in again, loosen the single-ear anti-loosening plate and the anti-loosening nut; then rotate the adjustment rod to adjust the straight notch of the inspection block installed on the second rod to the specified position; after the adjustment is completed, lift the single-ear anti-loosening plate to prevent loosening, and tighten the anti-loosening nut.

[0016] This type of linkage detection rod has a simple structure, high strength, adjustable travel, can be used on a variety of turnouts, and has good sealing performance, ensuring the waterproof requirements of switch machines and close-fitting inspectors or similar equipment equipped with this type of linkage detection rod.

[0017] The present invention will be further described below in conjunction with an embodiment of the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the system structure of an embodiment of the present invention;

[0019] Figure 2 Front view of the linkage locking lever;

[0020] Figure 3 Side view of the linkage locking lever;

[0021] Figure 43D diagram of the linkage locking rod;

[0022] Figure 5 Three-dimensional diagram of the first rod of the linkage locking rod;

[0023] Figure 6 Three-dimensional diagram of the second rod of the linkage locking rod;

[0024] Figure 7 Linkage represents the main view of the rod;

[0025] Figure 8 The linkage represents the side view of the rod;

[0026] Fig. 9 The linkage represents the three-dimensional diagram of the rod;

[0027] Fig.10 The linkage represents the three-dimensional diagram of the first rod;

[0028] Fig.11 The linkage represents the three-dimensional diagram of the second rod;

[0029] Fig.12 Three-dimensional diagram of the adjustment range structure at the tail of the detection rod.

[0030] In the figure, 1. first rod; 2. second rod; 3. joint iron; 4. adjusting rod; 5. adjusting nut; 6. guide screw; 7. connecting bolt; 8. bolt pin; 9. connecting bolt; 10. nut; 11. anti-loosening nut; 12. double-ear anti-loosening plate; 13. pin; 14. single-ear anti-loosening plate; 15. inspection block; 16. spring; 17. guide rod; 18. guide nail; 19. straight notch; 20. oblique notch; 21. step hole; 22. linkage locking rod; 23. linkage indicating rod; 24. turnout; 25. linkage detection control unit. DETAILED DESCRIPTION

[0031] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose, the specific implementation methods, structural features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and embodiments.

[0032] Example 1

[0033] like Figure 1As shown, the present invention relates to a linkage detection rod and method for adjusting the stroke of the tail of a conversion device, which is characterized by comprising: a linkage detection control unit 25, a linkage locking rod 22 and a linkage indicating rod 23, the linkage detection control unit 25 is installed on the outer side of a turnout 24, the linkage locking rod 22 and the linkage indicating rod 23 are vertically fixedly installed through the linkage detection control unit 25, between the two point rails of the turnout 24, the linkage detection rod comprises a linkage locking rod 22 and a linkage indicating rod 23, the linkage locking rod 22 and the linkage indicating rod 23 are respectively composed of a first rod 1, a second rod 2 and a joint iron 3, and there are notches or bosses on the first rod 1 and the second rod 2 respectively, and the close contact state of the point rail and the base rail is obtained through the notches or bosses on the first rod 1 and the second rod 2, and the information of the connection or disconnection of the contact is given.

[0034] like Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Fig.12 As shown, the linkage locking rod 22 includes: a first rod 1, a second rod 2, a joint iron 3, an adjustment rod 4, an adjustment nut 5, a guide screw 6, a connecting bolt 7, a bolt pin 8, two connecting bolts 9, three nuts 10, a locking nut 11, a double-ear locking plate 12, a pin 13, and a single-ear locking plate 14; the connecting bolt 7 is inserted into the step hole of the first rod 1, and the second rod 2 is locked with the first rod 1 by using the locking nut 11 to prevent the first rod 1 and the second rod 2 from sliding back and forth; the joint iron 3 is connected to one end of the first rod 1 through two groups of connecting bolts 9 and nuts 10; the end of the joint iron 3 is installed with a bolt pin 8, and the bolt pin 8 is connected to the rod outside the conversion device; the two nuts 10 are locked with a double-ear locking plate 12; the rods of the first rod 1 and the second rod 2 are both provided with a straight notch 19 and an oblique notch 20, the first rod 1 is provided with a straight notch 19 near the installation adjustment nut 5, and the first rod 1 is provided with an oblique notch 20 away from the installation adjustment nut 5.

[0035] The second rod 2 is provided with an oblique notch 20 at a portion close to the mounting adjustment rod 4 , and the second rod 2 is provided with a straight notch 19 at a portion away from the adjustment rod 4 .

[0036] The straight notch 19 and the oblique notch 20 of the second rod 2 are used to detect the position status of the turnout; the straight notch 19 on the first rod 1 corresponds to the oblique notch 20 on the second rod 2;

[0037] The oblique notch 20 on the first rod 1 corresponds to the straight notch 19 on the second rod 2; the connecting end of the first rod 1 and the joint iron 3 is a round rod structure, and the rest is a square rod structure; the intersection of the round rod and the square rod is a R0.5-R1 rounded transition; the head step of the square rod structure of the first rod 1 is a R3-R5 rounded corner; the second rod 2 is a square rod structure; the first rod 1 and the second rod 2 constitute a linkage locking rod 22.

[0038] The guide screw 6 is in a stepped structure as a whole, with a large head and a small tail. The head is a cylindrical structure with grooves, the middle is a round smooth rod, and the tail is a round screw rod.

[0039] The head of the guide screw 6 stops at the step hole 21 of the first rod 1; the round polished rod in the middle of the guide screw 6 penetrates into the step hole 21 of the first rod 1 to guide the first rod 1, the round screw rod at the tail of the guide screw 6 is connected to the threaded hole of the second rod 2, and a thread locking agent is applied to the threaded connection. A certain gap is reserved between the step surface of the round polished rod in the middle of the guide screw 6 and the step surface of the first rod 1; the step surface of the round screw rod at the tail of the guide screw 6 presses the end surface of the second rod 2; when the stroke of the linkage locking rod is adjusted, the guide screw does not need to be adjusted.

[0040] The tail of the first rod 1 is inserted into the adjusting nut 5, and the threaded hole of the adjusting nut 5 is connected to the screw of the adjusting rod 4; the adjusting rod 4 is inserted into and connected to the tail of the second rod 2, and the pin 13 is interference fit with the second rod 2. The pin 13 limits the front and rear position of the adjusting rod 4 along the rod, so that the adjusting rod 4 can only rotate along the axis; after the adjusting rod 4 rotates, it drives the adjusting nut 5 to move forward and backward; the rotational movement of the adjusting rod 4 along the axis is prevented from loosening by a single-ear anti-loosening sheet 14.

[0041] The adjustment method of embodiment 1 of the present invention is as follows:

[0042] 1. Extend the linkage locking rod 22, and adjust the rod connecting the linkage locking rod 22 and the switch point rail (movable heart rail) to an appropriate length so that the straight notch 19 of the first rod 1 is at a specified position;

[0043] 2. After the extended side of the linkage locking rod 22 is adjusted, pull the linkage locking rod 22 in again to loosen the single-ear anti-loosening sheet 14 and the anti-loosening nut 11.

[0044] 3. Rotate the adjustment rod 4 to adjust the straight notch 19 of the second rod 2 to the specified position.

[0045] 4. After adjustment, lift up the single-ear anti-loosening plate 14 to prevent loosening, and tighten the anti-loosening nut 11.

[0046] Example 2

[0047] like Figure 1As shown, the present invention relates to a linkage detection rod and method for adjusting the stroke of the tail of a conversion device, which is characterized by comprising: a linkage detection control unit 25, a linkage locking rod 22 and a linkage indicating rod 23, the linkage detection control unit 25 is installed on the outer side of a turnout 24, the linkage locking rod 22 and the linkage indicating rod 23 are vertically fixedly installed through the linkage detection control unit 25, between the two point rails of the turnout 24, the linkage detection rod comprises a linkage locking rod 22 and a linkage indicating rod 23, the linkage locking rod 22 and the linkage indicating rod 23 are respectively composed of a first rod 1, a second rod 2 and a joint iron 3, and there are notches or bosses on the first rod 1 and the second rod 2 respectively, and the close contact state of the point rail and the base rail is obtained through the notches or bosses on the first rod 1 and the second rod 2, and the information of the connection or disconnection of the contact is given.

[0048] like Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 As shown, the linkage indicating rod comprises: a first rod 1, a second rod 2, a joint iron 3, an adjustment rod 4, an adjustment nut 5, a guide screw 6, a connecting bolt 7, a bolt pin 8, two connecting bolts 9, three nuts 10, a locking nut 11, a double-ear locking piece 12, a pin 13, and a single-ear locking piece 14; the connecting bolt 7 is inserted into the step hole of the first rod 1, and the second rod 2 is locked with the first rod 1 by using the locking nut 11 to prevent the first rod 1 and the second rod 2 from sliding forward and backward; the joint iron 3 is connected to one end of the first rod 1 through two groups of connecting bolts 9 and nuts 10; the end of the joint iron 3 is installed with a bolt pin 8, and the bolt pin 8 is connected to the rod outside the conversion device; the two nuts 10 are locked with double-ear locking pieces 12; the rods of the first rod 1 and the second rod 2 are both provided with a straight notch 19 and an oblique notch 20, the first rod 1 is provided with a straight notch 19 near the installation adjustment nut 5, and the first rod 1 is provided with an oblique notch 20 away from the installation adjustment nut 5. The second rod 2 is provided with an oblique notch 20 near the installation adjustment rod 4, and the second rod 2 is provided with a straight notch 19 away from the adjustment rod 4. The straight notch 19 and the oblique notch 20 are used to detect the position status of the switch; the straight notch 19 on the first rod 1 corresponds to the oblique notch 20 on the second rod 2; the oblique notch 20 on the first rod 1 corresponds to the straight notch 19 on the second rod 2; the connecting end of the first rod 1 and the joint iron 3 is a round rod structure, and the rest is a square rod structure; the intersection of the round rod and the square rod is a R0.5-R1 rounded transition; the head step of the square rod structure of the first rod 1 is an R3-R5 rounded corner; the second rod 2 is a square rod structure; the first rod 1 and the second rod 2 constitute a linkage locking rod 22.

[0049] The guide screw 6 is in a stepped structure as a whole, with a large head and a small tail. The head is a cylindrical structure with grooves, the middle is a round smooth rod, and the tail is a round screw rod.

[0050] The head of the guide screw 6 stops at the step hole 21 of the first rod 1; the middle round polished rod of the guide screw 6 penetrates into the step hole 21 of the first rod 1 to guide the first rod 1, the round screw rod at the tail of the guide screw 6 is connected to the threaded hole of the second rod 2, and a thread locking agent is applied to the threaded connection. A certain gap is reserved between the step surface of the middle round polished rod of the guide screw 6 and the step surface of the first rod 1, and the step surface of the round screw rod at the tail of the guide screw 6 presses the end surface of the second rod 2. When the stroke of the linkage locking rod 22 is adjusted, there is no need to adjust the guide screw.

[0051] The tail of the first rod 1 is inserted into the adjusting nut 5, and the threaded hole of the adjusting nut 5 is connected to the screw of the adjusting rod 4; the adjusting rod 4 is inserted into and connected to the tail of the second rod 2, and the pin 13 is interference fit with the second rod 2. The pin 13 limits the front and rear position of the adjusting rod 4 along the rod, so that the adjusting rod 4 can only rotate along the axis; after the adjusting rod 4 rotates, it drives the adjusting nut 5 to move forward and backward; the rotational movement of the adjusting rod 4 along the axis is prevented from loosening by a single-ear anti-loosening sheet 14.

[0052] The first rod 1 and the second rod 2 are respectively installed with a check block 15, a spring 16, a guide rod 17, and a guide nail 18; the check block 15 is fixed on the rod by the spring 16 and the guide rod 17; when the switch is squeezed, the check block 15 will be displaced, and at the same time, the first rod 1 and the second rod 2 are both provided with an oblique notch 20, and the straight notch 19 of the check block 15 and the oblique notch 20 on the rod are used to detect the position status of the switch.

[0053] The straight notch 19 of the inspection block 15 installed on the first rod 1 corresponds to the oblique notch 20 on the rod of the second rod 2; the oblique notch 20 on the rod of the first rod 1 corresponds to the straight notch 19 of the inspection block 15 installed on the second rod 2;

[0054] The adjustment method of embodiment 2 of the present invention is as follows:

[0055] 1. Extend the linkage indicating rod 23, and adjust the rod connecting the linkage indicating rod 23 and the switch point rail (movable heart rail) to an appropriate length so that the straight notch 19 of the inspection block 15 installed on the first rod 1 is at a specified position;

[0056] 2. After the extended side of the linkage indicating rod 23 is adjusted, pull the linkage indicating rod 23 in again and loosen the single-ear anti-loosening sheet 14 and the anti-loosening nut 11.

[0057] 3. Rotate the adjustment rod 4 to adjust the straight notch 19 of the inspection block 15 installed on the second rod 2 to the specified position.

[0058] 4. After adjustment, lift up the single-ear anti-loosening plate 14 to prevent loosening, and tighten the anti-loosening nut 11.

[0059] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the scope of protection of the present invention.

Claims

1. A linkage detection rod for adjusting the stroke of the tail of a conversion device, characterized by: include: A linkage detection control unit (25), a linkage locking rod (22) and a linkage indicating rod (23), wherein the linkage detection control unit (25) is installed on the outside of a turnout (24), and the linkage locking rod (22) and the linkage indicating rod (23) are respectively installed in the linkage detection control unit (25) at different traction points of the turnout (24); the linkage locking rod (22) and the linkage indicating rod (23) are vertically fixedly installed through the linkage detection control unit (25), and the linkage detection rod is between two point rails of the turnout (24). The linkage detection rod comprises a linkage locking rod (2 2) and a linkage indicating rod (23), the linkage locking rod (22) and the linkage indicating rod (23) are respectively composed of a first rod (1) and a second rod (2) and a joint iron (3), the first rod (1) and the second rod (2) are respectively provided with a notch or a boss, the linkage locking rod (22) and the linkage indicating rod (23) obtain the close contact state of the point rail and the base rail through the notch or the boss on the first rod (1) and the second rod (2), and provide contact connection or disconnection information; the linkage locking rod (22) comprises: a first rod (1), a second rod (2), a joint iron (3), a An adjustment rod (4), an adjustment nut (5), a guide screw (6), a connecting bolt (7), a bolt pin (8), two connecting bolts (9), three nuts (10), a locking nut (11), a double-ear locking plate (12), a pin (13), and a single-ear locking plate (14); the connecting bolt (7) is inserted into the step hole of the first rod (1), and the locking nut (11) is used to lock the second rod (2) and the first rod (1) to prevent the first rod (1) and the second rod (2) from sliding forward and backward; the joint iron (3) is passed through The first rod (1) and the second rod (2) are connected to one end of the first rod (1) through two sets of connecting bolts (9) and nuts (10); a bolt pin (8) is installed at the end of the joint iron (3), and the bolt pin (8) is connected to the rod outside the conversion device; the two nuts (10) are prevented from loosening by using double-ear anti-loosening plates (12); the first rod (1) and the second rod (2) are both provided with a straight notch (19) and an oblique notch (20), the first rod (1) is provided with a straight notch (19) near the installation adjustment nut (5), and the first rod (1) is provided with an oblique notch (20) away from the installation adjustment nut (5); The second rod (2) of the linkage locking rod (22) is provided with an oblique notch (20) at a portion close to the mounting adjustment rod (4), and a straight notch (19) at a portion of the second rod (2) away from the adjustment rod (4); The guide screw (6) is in a stepped structure as a whole, with a large head and a small tail. The head is a cylindrical structure with grooves, the middle is a round polished rod, and the tail is a round screw rod. The head of the guide screw (6) stops at the step hole (21) of the first rod (1). The middle round polished rod of the guide screw (6) penetrates into the step hole (21) of the first rod (1) to guide the first rod (1). The round screw rod at the tail of the guide screw (6) is connected to the threaded hole of the second rod (2), and a thread locking agent is applied to the threaded connection. A certain gap is reserved between the step surface of the middle round polished rod of the guide screw (6) and the step surface of the first rod (1). The step surface of the round screw rod at the tail of the guide screw (6) presses the end surface of the second rod (2).

2. The linkage detection rod for adjusting the stroke of the tail of a conversion device according to claim 1 is characterized by: The straight notch (19) and the oblique notch (20) of the second rod (2) of the linkage locking rod (22) are used to detect the position state of the turnout; the straight notch (19) on the first rod (1) corresponds to the oblique notch (20) on the second rod (2); the oblique notch (20) on the first rod (1) corresponds to the straight notch (19) on the second rod (2); the connecting end of the first rod (1) and the joint iron (3) is a round rod structure, and the rest is a square rod structure; the intersection of the round rod and the square rod is a R0.5-R1 rounded transition; the step at the head of the square rod structure of the first rod (1) is an R3-R5 rounded corner; the second rod (2) is a square rod structure; the first rod (1) and the second rod (2) constitute the linkage locking rod (22).

3. The linkage detection rod for adjusting the stroke of the tail of a conversion device according to claim 1, characterized in that: The tail of the first rod (1) is inserted into the adjusting nut (5), and the threaded hole of the adjusting nut (5) is connected to the screw of the adjusting rod (4); the adjusting rod (4) is inserted into and connected to the tail of the second rod (2), the pin (13) is interference fit with the second rod (2), and the pin (13) limits the front and rear position of the adjusting rod (4) along the rod.

4. The linkage detection rod for adjusting the stroke of the tail of a conversion device according to claim 1, characterized in that: The linkage indicating rod (23) comprises: a first rod (1) of the indicating rod, a second rod (2), a joint iron (3), an adjustment rod (4), an adjustment nut (5), a guide screw (6), a connecting bolt 1 (7), a bolt pin (8), two connecting bolt 2 (9), three nuts (10), a locking nut (11), a double-ear locking plate (12), a pin (13), and a single-ear locking plate (14); the connecting bolt 1 (7) is inserted into the platform of the first rod (1) The second rod (2) and the first rod (1) are locked with a locking nut (11) to prevent the first rod (1) and the second rod (2) from sliding forward and backward; the joint iron (3) is connected to one end of the first rod (1) through two sets of connecting bolts (9) and nuts (10); a bolt pin (8) is installed at the end of the joint iron (3), and the bolt pin (8) is connected to the rod outside the conversion device; the two nuts (10) are locked with double-ear locking plates (12); the rods of the first rod (1) and the second rod (2) are both provided with straight notches. The first rod (1) has a straight notch (19) and an oblique notch (20), the first rod (1) is provided with a straight notch (19) near the mounting adjustment nut (5), and the first rod (1) is provided with an oblique notch (20) away from the mounting adjustment nut (5); the second rod (2) is provided with an oblique notch (20) near the mounting adjustment rod (4), and the second rod (2) is provided with a straight notch (19) away from the adjustment rod (4); the straight notch (19) and the oblique notch (20) are used to detect the position status of the turnout; the straight notch (19) on the first rod (1) The first rod (1) has a square rod structure and a square rod structure. The first rod (1) has a square rod structure and a square rod structure. The first rod (1) has a square rod structure and a square rod structure. The first rod (1) has a square rod structure and a square rod structure. The first rod (1) has a square rod structure and a square rod structure. The first rod (1) has a square rod structure and a square rod structure. The first rod (1) has a square rod structure and a square rod structure. The first rod (1) has a square rod structure and a square rod structure. The first rod (1) has a square rod structure and a square rod structure. The second rod (2) has a square rod structure. The first rod (1) and the second rod (2) form a linkage rod.

5. The linkage detection rod for adjusting the stroke of the tail of a conversion device according to claim 1, characterized in that: A first rod (1) and a second rod (2) of a linkage indicating rod (23) are respectively provided with a check block (15), a spring (16), a guide rod (17), and a guide nail (18); the check block (15) is fixed on the rod by the spring (16) and the guide rod (17); when the turnout is squeezed, the check block (15) will be displaced; at the same time, an oblique notch (20) is provided on the first rod (1) and the second rod (2); the straight notch (19) of the check block (15) and the oblique notch (20) on the rod are used to detect the position status of the turnout.

6. The linkage detection rod for adjusting the stroke of the tail of a conversion device according to claim 1, characterized in that: The straight notch of the inspection block (15) mounted on the first rod (1) of the linkage indicating rod (23) corresponds to the oblique notch (20) on the second rod (2); the oblique notch (20) on the first rod (1) corresponds to the straight notch (19) of the inspection block (15) mounted on the second rod (2).

7. A method for adjusting the stroke of the tail of a conversion device using a linkage detection rod, characterized in that: include: A linkage detection control unit (25), a linkage locking rod (22) and a linkage indicating rod (23), wherein the linkage detection control unit (25) is installed on the outer side of a turnout (24), and the linkage locking rod (22) and the linkage indicating rod (23) are respectively installed in the linkage detection control unit (25) at different traction points of the turnout (24); the linkage locking rod (22) and the linkage indicating rod (23) are vertically fixed between two point rails of the turnout (24) through the linkage detection control unit (25); the linkage detection rod comprises a linkage locking rod (22) and a linkage indicating rod (23), and the linkage locking rod (22) and the linkage indicating rod (23) are respectively composed of a first rod (1), a second rod (2) and a joint iron (3); the linkage detection control unit (25) adjusts the linkage locking rod (22) and / or the linkage indicating rod (23) according to the following steps: 1) Extend the linkage detection rod and adjust the rod connecting the linkage detection rod and the switch point rail to an appropriate length so that the straight notch (19) of the inspection block (15) installed on the first rod (1) is at a specified position; 2) After the extended side of the linkage detection rod is adjusted, pull the linkage detection rod in again and loosen the single-ear locking plate (14) and the locking nut (11); 3) Rotate the adjustment rod (4) to adjust the straight notch (19) of the inspection block (15) installed on the second rod (2) to a specified position; 4) After adjustment, lift up the single-ear anti-loosening plate (14) to prevent loosening, and tighten the anti-loosening nut (11).

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