阅读说明：本技术 一种转换设备头部调整动程用的联动检测杆及方法 (Linkage detection rod and method for head adjustment stroke of conversion equipment ) 是由 宁宗夏 张振 何建峰 唐一鸣 蔡鹏翔 高晓伟 朴盛斌 李倩文 郑帅 李思宇 于 2020-06-10 设计创作，主要内容包括：本发明属于一种转换设备头部调整动程用的联动检测杆及方法,其特征是：包括：联动检测控制单元(20)、联动锁闭杆(17)和联动表示杆(18),在道岔(19)的外侧安装联动检测控制单元(20),联动锁闭杆(17)和联动表示杆(18)分别安装在道岔(19)不同牵引点处的联动检测控制单元(20)中；通过联动检测控制单元(20)垂直安装固定联动锁闭杆(17)和联动表示杆(18)在道岔(19)的两尖轨之间。这种转换设备头部调整动程用的联动锁闭杆及方法结构性好、维护方便。(The invention belongs to a linkage detection rod and a method for adjusting the stroke of a head of conversion equipment, which are characterized in that: the method comprises the following steps: the linkage detection control unit (20), the linkage locking rod (17) and the linkage indicating rod (18) are arranged on the outer side of the turnout (19), and the linkage locking rod (17) and the linkage indicating rod (18) are respectively arranged in the linkage detection control unit (20) at different traction points of the turnout (19); the linkage locking rod (17) and the linkage indicating rod (18) are vertically arranged and fixed between two switch rails of a turnout (19) through a linkage detection control unit (20). The linkage locking rod and the method for adjusting the head of the conversion equipment are good in structure and convenient to maintain.)

1. The utility model provides a linkage measuring rod that conversion equipment head adjustment stroke was used which characterized by: the method comprises the following steps: the linkage detection control unit (20), the linkage locking rod (17) and the linkage indicating rod (18) are arranged on the outer side of the turnout (19), and the linkage locking rod (17) and the linkage indicating rod (18) are respectively arranged in the linkage detection control unit (20) at different traction points of the turnout (19); a linkage locking rod (17) and a linkage indicating rod (18) are vertically installed and fixed between two switch rails of a turnout (19) through a linkage detection control unit (20); the linkage locking rod (17) and the linkage indicating rod (18) respectively comprise a first rod (1), a second rod (2) and a joint (3), notches or bosses are respectively arranged on the first rod (1) and the second rod (2), the close contact state of the switch rail and the stock rail is obtained through the notches or bosses on the first rod (1) and the second rod (2), and information of connection or disconnection of a contact point is given.

2. The linkage detection rod for head adjustment stroke of a converting apparatus according to claim 1, wherein: the linkage locking rod (17) comprises: the locking device comprises a first rod (1), a second rod (2) and a joint (3), wherein the first rod (1) and the second rod (2) of the locking rod have the same structure, the middle parts of the first rod (1) and the second rod (2) of the locking rod are of square rod structures and are provided with two detection ports, one ends of the first rod (1) and the second rod (2) of the locking rod are provided with round rods with external threads, and the other ends of the first rod (1) and the second rod (2) of the locking rod are provided with round rods with threaded mounting holes; the joint (3) comprises two parallel sleeve holes, a first parallel sleeve hole (15) and a second parallel sleeve hole (16), and the first parallel sleeve hole (15) is connected with a round rod of the external thread of the first rod (1) of the locking rod through a nut and a round rod of the thread; the second parallel sleeve hole (16) is connected with a round rod of a second rod (2) of the locking rod, wherein the round rod is provided with a threaded mounting hole, the first parallel sleeve hole (15) is of a double-shaft sleeve structure with a double notch at one end, and the first rod (1) and the second rod (2) of the locking rod are connected at the ends of the first rod and the second rod through a joint (3) to form a parallel rod structure with a square rod part tightly attached.

3. The linkage detection rod for head adjustment stroke of a converting apparatus according to claim 2, wherein: the length of the square rods of the first rod (1) and the second rod (2) of the locking rod is respectively provided with a detection port and an adjustment port on the left and the right, the detection ports are respectively a first rod adjustment port (9) and a first rod detection port (10) of the locking rod, and a second rod detection port (11) and a second rod adjustment port (12) of the locking rod; the first rod adjusting port (9) and the second rod detecting port (11) are overlapped, the first rod detecting port (10) and the second rod adjusting port (12) of the locking rod are overlapped, and the overlapped port of the first rod adjusting port (9) and the second rod detecting port (11) of the locking rod is positioned at the end of the joint (3).

4. The linkage detection rod for head adjustment stroke of a converting apparatus according to claim 2, wherein: the joint (3) of the linkage locking rod (17) is provided with a bent short rod, and the bent short rod is bent towards the gap direction of the first locking rod (1); the first parallel trepanning (15) with two gaps has two gaps in the length direction, the round rod of the external thread of the first rod (1) of the locking rod passes through the adjusting nut (4) in the first gap, the buckle-free shaft sleeve (5) is connected with the locking nut (6) and the thin nut (7) through the elastic gasket (13) outside the second gap, and the surface of the adjusting nut (4) can be conveniently adjusted through the increasing adjusting hole.

5. The linkage detection rod for head adjustment stroke of a converting apparatus according to claim 2, wherein: a round rod with a threaded mounting hole of a second rod (2) of the locking rod is inserted into a shaft sleeve of the joint (3), the position of the threaded mounting hole corresponds to the outer mounting hole of the joint (3), and a fixing bolt (8) is fastened with the thread of the threaded mounting hole through the outer mounting hole of the joint (3).

6. The linkage detection rod for head adjustment stroke of a converting apparatus according to claim 1, wherein: the linkage shows that no knot axle sleeve (5) is the flange ring of hole unthreaded in pole (18) and linkage locking lever (17), the bellied dog of flange ring and the recess cooperation of adjusting nut (4), lock nut (6), thin nut (7), elastic gasket (13) compress tightly no knot axle sleeve (5) to the rotation of spacing adjusting nut (4).

7. The linkage detection rod for head adjustment stroke of a converting apparatus according to claim 1, wherein: the linkage indicating rod (18) includes: the device comprises a first rod (1), a second rod (2) and a joint (3), wherein the middle parts of the first rod (1) and the second rod (2) are of square rod structures and are provided with two detection ports, one ends of the first rod (1) and the second rod (2) are provided with round rods with external threads, and the other ends of the first rod (1) and the second rod (2) are provided with round rods with threaded mounting holes; the joint (3) comprises two parallel sleeve holes, a first parallel sleeve hole (15) and a second parallel sleeve hole (16), and the first parallel sleeve hole (15) is connected with a round rod which represents the external thread of the first rod (1) of the rod through a nut and a threaded round rod; the second parallel sleeve hole (16) is connected with a round rod of a second rod (2) of the indication rod, wherein the round rod is provided with a threaded mounting hole, the first parallel sleeve hole (15) is of a double-shaft sleeve structure with a double notch at one end, and the first rod (1) of the indication rod and the second rod (2) of the indication rod are connected at the ends of the first rod and the second rod through a joint (3) to form a parallel rod structure with a square rod part tightly attached.

8. The linkage sensing lever for head adjustment travel of a conversion apparatus of claim 7, wherein: the length of the square rods of the first rod (1) and the second rod (2) of the indicating rod is respectively provided with a detection port and an adjusting port on the left and the right, wherein the detection ports are respectively a first rod adjusting port (9) and a first rod detecting port (10) of the indicating rod, and a second rod detecting port (11) and a second rod adjusting port (12) of the indicating rod; the first rod adjusting port (9) and the second rod detecting port (11) of the indicating rod are overlapped, the first rod detecting port (10) and the second rod adjusting port (12) of the indicating rod are overlapped, and the overlapped port of the first rod adjusting port (9) and the second rod detecting port (11) of the indicating rod is positioned at the end of the joint (3).

9. The linkage detection rod for head adjustment stroke of a converting apparatus according to claim 1, wherein: the linkage indicating rod (18) is provided with two notches in a first parallel sleeve hole (15) with double notches in the length direction, and a round rod of an external thread of a first rod (1) of the indicating rod penetrates through an adjusting nut (4) in the first notch, a buckle-free shaft sleeve (5) and is connected with a second notch through an elastic gasket (13), a locking nut (6) and a thin nut (7); the surface of the adjusting nut (4) can be added with an adjusting hole for convenient adjustment; the round rod with the threaded mounting hole of the second rod (2) of the linkage indication rod (18) is inserted into the shaft sleeve of the joint (3), so that the position of the threaded mounting hole corresponds to the outer mounting hole of the joint (3), and the fixing bolt (8) is fastened with the thread of the threaded mounting hole through the outer mounting hole of the joint (3); the joint (3) of the linkage indication rod (18) is provided with a bending short rod which bends towards the direction of the notch of the first rod (1) of the indication rod; the first rod (1) and the second rod (2) of the indicating rod have the same structure, and one sides of a first rod detection port (10) and a second rod detection port (11) which are close to the direction of a round rod with a threaded mounting hole are provided with slender strip notches (14) for mounting an inspection block; after the first rod (1) and the second rod (2) are connected in parallel, the slender strip gap (14) is arranged between the first rod adjusting opening (9) and the second rod detecting opening (11) of the indicating rod and between the first rod detecting opening (10) and the second rod adjusting opening (12) of the indicating rod.

10. A method for adjusting linkage detection rods for stroke of a head of conversion equipment is characterized by comprising the following steps: two independent first rods (1) and two independent second rods (2) in the linkage indicating rod (18) and the linkage locking rod (17) are connected together through a joint (3) to realize synchronous action, a non-buckle shaft sleeve (5) is a flange ring with an unthreaded inner hole, and two bulges are used for limiting on the contact end surface of the non-buckle shaft sleeve and the adjusting nut (4); the adjusting nut (4) is provided with a nut with two grooves, the grooves are positioned on the end surface which is in contact with the limiting device (5), and the adjusting nut (4) and the buckle-free shaft sleeve (5) respectively limit two moving directions of each rod piece, so that the two rod pieces are kept as a whole; when the stroke of the detection rod is adjusted, the non-buckle shaft sleeve (5) can be drawn out by loosening the locking nut (6) and the thin nut (7), and the first rod (1) is moved relative to the second rod (2) by screwing the adjusting nut (4); the relative position of the detection ports on the two rod pieces is changed, so that the stroke of the whole detection rod on a point switch, a close contact checker or similar equipment can be changed; when a switch machine, a sealing inspector or similar equipment needs to be turned upside down, the joint (3), the locking nut (6), the thin nut (7), the adjusting nut (4), the buckle-free shaft sleeve (5) and accessory parts thereof are detached from one side of the rod piece and are installed on the other side of the rod piece.

Technical Field

The invention belongs to the field of railway turnout conversion equipment, in particular to a linkage detection rod and a method for adjusting the stroke of a head of the conversion equipment, which are suitable for a point switch or a seal checker, and are used for being installed in the point switch or the seal checker or similar equipment to check the state of a turnout point rail.

Background

After the railway turnout is converted, strict requirements are imposed on the close contact state of the switch rail and the stock rail so as to ensure the driving safety; the switch machine and the tightness checker or the like have the function of detecting the tightness of the point rail and the stock rail. The switch machine, the close contact checker or the like used at present are basically connected with the switch rail by a detection rod, a detection port (notch or boss) is arranged at a proper position of the detection rod, and when the detection port (notch or boss) of the detection rod moves in the switch machine, the close contact checker or the like until the switch rail and the stock rail meet the close contact requirement, a mechanism in the switch machine, the close contact checker or the like acts to connect a contact; when the detection port (notch or boss) of the detection rod is not at the designed position, the contact point in the switch machine, the contact checker or the like cannot be connected.

The linkage detection rod is generally composed of two rods and other accessory parts, and can be divided into a linkage locking rod and a linkage display rod according to different structures. The linkage detection rod is formed by connecting two rods together and is provided with an adjusting mechanism, the two rods can mutually stagger in a certain range to adjust the stroke, and the two rods are simultaneously connected to the switch blade during use.

The travel of the detection bars of switch machines, contact checkers or similar devices often needs to be adjusted for reasons of switch manufacturing, installation and detection position variations.

Disclosure of Invention

The invention aims to provide a linkage detection rod and a linkage detection method for the head adjusting stroke of conversion equipment, which have good structure and are convenient to maintain.

In order to solve the problems, the technical scheme of the invention is as follows: the utility model provides a linkage detection rod and a method for adjusting the stroke of a head of a conversion device, which is characterized in that: the method comprises the following steps: the linkage detection control unit is arranged on the outer side of the turnout, the linkage locking rod and the linkage indicating rod are respectively arranged in the linkage detection control units at different traction points of the turnout, the linkage locking rod and the linkage indicating rod are vertically and fixedly arranged between two switch rails of the turnout through the linkage detection control unit, the linkage locking rod and the linkage indicating rod respectively comprise a first rod, a second rod and a joint, notches or bosses are respectively arranged on the first rod and the second rod, the close contact states of the switch rails and the stock rails are obtained through the notches or bosses on the first rod and the second rod and the linkage indicating rod, and connection information of the contact points is given.

The linkage locking rod comprises: the middle parts of the first rod and the second rod of the locking rod are of square rod structures and are provided with two detection ports, one ends of the first rod and the second rod of the locking rod are provided with round rods with external threads, and the other ends of the first rod and the second rod of the locking rod are provided with round rods with threaded mounting holes; the connector comprises two parallel sleeve holes, a first parallel sleeve hole and a second parallel sleeve hole, and the first parallel sleeve hole is connected with a round rod of the first rod external thread of the locking rod through a nut and a threaded round rod; the second parallel sleeve hole is connected with a round rod of the second rod with a threaded mounting hole, the first parallel sleeve hole is of a double-shaft sleeve structure with a double notch at one end, and the first rod and the second rod of the locking rod are connected at the ends of the first rod and the second rod through a joint to form a parallel rod structure with a square rod part tightly attached.

The left and right sides of the length of the square rod of the first rod and the second rod of the locking rod are respectively provided with a detection port and an adjusting port which are respectively a first rod adjusting port and a first rod detecting port of the locking rod, and a second rod detecting port and a second rod adjusting port of the locking rod; the first rod adjusting port and the second rod detecting port are overlapped, the first rod detecting port and the second rod adjusting port of the locking rod are overlapped, and the overlapping port of the first rod adjusting port and the second rod detecting port of the locking rod is located at the joint end.

The first parallel trepanning with double gaps is provided with two gaps in the length direction, and a round rod of the external thread of the first rod of the locking rod penetrates through an adjusting nut in the first gap and a buckle-free shaft sleeve to be connected with the second gap through an elastic gasket, a locking nut and a thin nut.

A round rod having a threaded mounting hole in a second rod of the locking rod is inserted into a boss of the joint so that the threaded mounting hole is oriented to correspond to the outer mounting hole of the joint, and a fixing bolt is fastened to the thread of the threaded mounting hole through the outer mounting hole of the joint.

The non-buckle shaft sleeve in the linkage indicating rod and the linkage locking rod is a flange ring with an inner hole and no thread, a convex jaw of the flange ring is matched with a groove of the adjusting nut, and the locking nut, the thin nut and the elastic gasket tightly press the non-buckle shaft sleeve so as to limit the rotation of the adjusting nut.

The linkage representation lever includes: the device comprises a first rod, a second rod and a joint of a display rod, wherein the middle parts of the first rod and the second rod of the display rod are of square rod structures and are provided with two detection ports; the connector comprises two parallel sleeve holes, a first parallel sleeve hole and a second parallel sleeve hole, and the first parallel sleeve hole is connected with a round rod which represents the external thread of the first rod of the rod through a nut and a threaded round rod; the second parallel trepanning is connected with a round rod of a second rod of the indication rod, wherein the round rod is provided with a threaded mounting hole, the first parallel trepanning is of a double-shaft trepanning structure, one end of the double-shaft trepanning is provided with a double notch, and the first rod and the second rod of the indication rod are connected through a joint at the ends of the first rod and the second rod to form a parallel rod structure with a square rod portion tightly attached.

The length of the square rods of the first rod and the second rod of the indicating rod is respectively provided with a detection port and an adjusting port at the left and the right, the detection ports are respectively a first rod adjusting port and a first rod detecting port of the indicating rod, and the second rod detecting port and a second rod adjusting port of the indicating rod; the first rod adjusting port and the second rod detecting port of the indicating rod are overlapped, the first rod detecting port and the second rod adjusting port of the indicating rod are overlapped, and the overlapping port of the first rod adjusting port and the second rod detecting port of the indicating rod is positioned at the joint end.

The first rod and the second rod of the indicating rod have the same structure, and the indicating rod is provided with a slender strip notch at one side of the first rod detection port and the second rod detection port which are close to the round rod direction with the threaded mounting hole and used for mounting an inspection block; after the first rod and the second rod of the indicating rod are connected in parallel, the slender strip gap is arranged between the first rod adjusting opening and the second rod detecting opening of the indicating rod and between the first rod detecting opening and the second rod adjusting opening of the indicating rod.

The linkage indicating rod and the linkage locking rod are provided with two notches in a first parallel trepanning hole with double notches in the length direction, and a round rod of external threads of the first rod penetrates through an adjusting nut in the first notch and a buckle-free shaft to be sleeved outside the second notch and is connected with a locking nut and a thin nut through an elastic gasket.

The round rod with the threaded mounting hole of the second rod is inserted into the shaft sleeve of the joint, so that the position of the threaded mounting hole corresponds to the outer mounting hole of the joint, and the fixing bolt is fastened with the thread of the threaded mounting hole through the outer mounting hole of the joint.

The joint in linkage display rod and linkage locking rod has a bending short rod, and the bending short rod bends towards the gap direction of the first rod.

The invention has the advantages that: the linkage shows the pole 18 and links two independent first poles 1 and second poles 2 in the locking lever 17 of linkage, link together through the piecing 3, can realize the synchronous motion, the non-buckle axle sleeve 5 is the flange circular ring without whorl of the female, there are two projections to limit in the end surface of contact with adjusting nut 4; the adjusting nut 4 is provided with a nut with two grooves, the grooves are positioned on the end face contacted with the limiting device 5, and the adjusting nut 4 and the buckle-free shaft sleeve 5 respectively limit two moving directions of each rod piece so as to keep the two rod pieces into a whole;

when the movement of the detection rod is to be adjusted, the non-buckled bush 5 can be extracted by loosening the locking nut 6 and the thin nut 7, and the first rod 1 can be displaced relative to the second rod 2 by screwing the adjusting nut 4. The relative position of the detection ports on the two rod pieces is changed, so that the stroke of the whole detection rod on a point switch, a close contact checker or similar equipment can be changed;

when the switch machine, the sealing inspector or the like needs to be turned upside down, the joint 3, the lock nut 6, the thin nut 7, the adjusting nut 4, the unbuckled shaft sleeve 5 and the accessory parts thereof are detached from one side of the rod piece and are installed on the other side.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention (interlocking lock bar);

FIG. 2 is a schematic perspective view of the structure of example 1;

FIG. 3 is a schematic view of the structure of the first and second bars of embodiment 1;

FIG. 4 is a schematic structural view of embodiment 2 of the present invention (linkage indicating rod);

FIG. 5 is a schematic perspective view of the preferred embodiment 2;

FIG. 6 is a schematic structural view of a first rod and a second rod of embodiment 2;

fig. 7 is a schematic view of the fitting mounting structure of embodiment 1 and embodiment 2;

fig. 8 is a schematic view of the joint structure of example 1 and example 2;

fig. 9 is a system schematic of example 1 and example 2.

In the figure: 1. a first lever; 2. a second lever; 3. a joint; 4. adjusting the nut; 5. a shaft sleeve without a buckle; 6. locking the nut; 7. a thin nut; 8. fixing the bolt; 9. a first lever adjustment port; 10. a first rod detection port; 11. a second rod detection port; 12. a second rod adjustment port; 13. an elastic pad; 14. a sliver gap; 15. a first parallel trepan boring; 16. a second parallel trepan boring; 17. a linkage locking bar; 18. a linkage indicating rod; 19. a turnout; 20. linkage detection control unit.

Detailed Description

To further explain the technical means and effects of the present invention adopted to achieve the intended purpose, the following detailed description of the embodiments, structural features and effects of the present invention will be made with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 9, the present invention relates to a linkage detection rod and a method for head adjustment stroke of a conversion device, which is characterized in that: the method comprises the following steps: the linkage detection control unit 20, the linkage locking rod 17 and the linkage indicating rod 18 are arranged on the outer side of the turnout 19, the linkage locking rod 17 and the linkage indicating rod 18 are respectively arranged in the linkage detection control unit 20 at different traction points of the turnout 19, the linkage locking rod 17 and the linkage indicating rod 18 are vertically and fixedly arranged between two switch rails of the turnout 19 through the linkage detection control unit 20, the linkage locking rod 17 and the linkage indicating rod 18 respectively comprise a first rod 1, a second rod 2 and a joint 3, notches or bosses are respectively arranged on the first rod 1 and the second rod 2, the close contact state of the switch rails and the basic rails is obtained through the notches or bosses on the first rod 1 and the second rod 2, and contact connection or disconnection information is given.

As shown in fig. 1, 2, 3, 7 and 8, the linkage locking bar 17 includes: the locking device comprises a first rod 1, a second rod 2 and a joint 3 of a locking rod, wherein the middle parts of the first rod 1 and the second rod 2 of the locking rod are of square rod structures and are provided with two detection ports, one ends of the first rod 1 and the second rod 2 of the locking rod are provided with round rods with external threads, and the other ends of the first rod 1 and the second rod 2 of the locking rod are provided with round rods with threaded mounting holes; the joint 3 comprises two parallel sleeve holes, namely a first parallel sleeve hole 15 and a second parallel sleeve hole 16, wherein the first parallel sleeve hole 15 is connected with a round rod of the external thread of the first rod 1 of the locking rod through a nut and a round rod of the thread; the second parallel sleeve hole 16 is connected with a round rod of the second rod 2 with a threaded mounting hole, the first parallel sleeve hole 15 is a double-shaft sleeve structure with a double notch at one end, and the first rod 1 and the second rod 2 of the locking rod are connected at the ends of the two through the joint 3 to form a parallel rod structure with a tightly attached square rod part.

The length of the square rods of the first rod 1 and the second rod 2 of the locking rod is respectively provided with a detection port and an adjusting port at the left and the right, namely a first rod adjusting port 9 and a first rod detecting port 10 of the locking rod, and a second rod detecting port 11 and a second rod adjusting port 12 of the locking rod; the first rod adjusting port 9 and the second rod detecting port 11 are overlapped, the first rod detecting port 10 and the second rod adjusting port 12 of the locking rod are overlapped, and the overlapped port of the first rod adjusting port 9 and the second rod detecting port 11 of the locking rod is positioned at the end of the joint 3.

The first parallel trepanning 15 with two gaps has two gaps in the length direction, and the round rod of the external thread of the first rod 1 of the locking rod passes through the adjusting nut 4 in the first gap, the non-buckle shaft sleeve 5 and the second gap and is connected with the locking nut 6 and the thin nut 7 through the elastic gasket 13.

The second rod 2 of the locking rod is inserted into the sleeve of the joint 3 with the round rod having the threaded mounting hole in the orientation corresponding to the outer mounting hole of the joint 3, and the fixing bolt 8 is fastened to the thread of the threaded mounting hole through the outer mounting hole of the joint 3.

The joint 3 is provided with a bending short rod which is bent towards the gap direction of the first rod 1 of the locking rod.

The non-buckle shaft sleeve 5 is a flange ring with an unthreaded inner hole, a raised jaw of the flange ring is matched with a groove of the adjusting nut 4, and the locking nut 6, the thin nut 7 and the elastic gasket 13 tightly press the non-buckle shaft sleeve 5 so as to limit the rotation of the adjusting nut 4.

The surface of the adjusting nut 4 can be added with an adjusting hole to facilitate on-site adjustment.

Example 2

As shown in fig. 9, the present invention relates to a linkage detection rod and a method for head adjustment stroke of a conversion device, which is characterized in that: the method comprises the following steps: the linkage detection control unit 20, the linkage locking rod 17 and the linkage display rod 18 are arranged, and the linkage detection control unit 20 is arranged on the outer side of the turnout 19. The linkage locking rod 17 and the linkage indicating rod 18 are respectively arranged in linkage detection control units 20 at different traction points of the turnout 19. The fixed linkage locking bar 17 and the linkage indicating bar 18 are vertically installed between the two switch rails of the turnout 19 through the linkage detection control unit 20. The linkage locking rod 17 and the linkage indicating rod 18 respectively comprise a first rod 1, a second rod 2 and a joint 3, the first rod 1 and the second rod 2 are respectively provided with a notch or a boss, the close contact state of the switch rail and the stock rail is obtained through the notches or the bosses on the first rod 1 and the second rod 2, and information of connection or disconnection of a contact is given.

As shown in fig. 4, 5, 6, and 7, the interlocking display lever 18 includes: the device comprises a first rod 1 and a second rod 2 of a display rod and a joint 3, wherein the middle parts of the first rod 1 and the second rod 2 of the display rod are of square rod structures and are provided with two detection ports, one end of the first rod 1 and one end of the second rod 2 of the display rod are provided with round rods with external threads, and the other end of the first rod 1 and the other end of the second rod 2 of the display rod are provided with round rods with threaded mounting holes; the joint 3 comprises two parallel sleeve holes, namely a first parallel sleeve hole 15 and a second parallel sleeve hole 16, wherein the first parallel sleeve hole 15 is connected with a round rod which represents the external thread of the first rod 1 of the rod through a nut and a threaded round rod; the second parallel sleeve hole 16 is connected with a round rod of the second rod 2 of the indication rod with a threaded mounting hole, the first parallel sleeve hole 15 is a double-shaft sleeve structure with a double notch at one end, and the first rod 1 of the indication rod and the second rod 2 of the indication rod are connected at the ends of the two through a joint 3 to form a parallel rod structure with a square rod part tightly attached.

The length of the square rods of the first rod 1 and the second rod 2 of the indicating rod is respectively provided with a detection port and an adjusting port at the left and the right, namely a first rod adjusting port 9 and a first rod detecting port 10 of the indicating rod, and a second rod detecting port 11 and a second rod adjusting port 12 of the indicating rod; the first rod adjustment port 9 and the second rod detection port 11, which show the rods, coincide, the first rod detection port 10 and the second rod adjustment port 12, which show the rods, coincide, and the coincidence port of the first rod adjustment port 9 and the second rod detection port 11, which show the rods, is located at the end of the joint 3.

The first parallel trepanning 15 with double gaps is provided with two gaps in the length direction, and a round rod of the external thread of the first rod 1 of the indicating rod passes through the adjusting nut 4 in the first gap and the buckle-free shaft sleeve 5 to be connected with the locking nut 6 and the thin nut 7 through the elastic gasket 13 outside the second gap.

A round rod having a threaded mounting hole of the second rod 2 representing the rod is inserted into the boss of the joint 3 so that the orientation of the threaded mounting hole corresponds to the outer mounting hole of the joint 3, and a fixing bolt 8 is fastened to the thread of the threaded mounting hole through the outer mounting hole of the joint 3.

The joint 3 is provided with a bending short rod which is bent towards the direction of the notch of the first rod 1 of the indication rod.

The non-buckle shaft sleeve 5 is a flange ring with an unthreaded inner hole, a raised jaw of the flange ring is matched with a groove of the adjusting nut 4, and the locking nut 6, the thin nut 7 and the elastic gasket 13 tightly press the non-buckle shaft sleeve 5 so as to limit the rotation of the adjusting nut 4.

The surface of the adjusting nut 4 can be added with an adjusting hole for convenient field adjustment.

As shown in fig. 6, the first rod 1 and the second rod 2, which are rod-representing members, have the same structure, and have elongated notches 14 for mounting the inspection block on the sides of the first rod detection port 10 and the second rod detection port 11 in the direction of the round rod adjacent to the screw mounting hole. After the first bar 1 and the second bar 2 representing the bars are connected in parallel, the elongated notch 14 is between the first bar adjustment opening 9 and the second bar detection opening 11 representing the bars, and the first bar detection opening 10 and the second bar adjustment opening 12 representing the bars.

Examples 1 and 2 were used to adjust the lever travel according to the following procedure:

1. sequentially loosening the elastic gasket 13, the locking nut 6 and the thin nut 7;

2. the non-buckle sleeve 5 is pulled out from the joint 3, so that the jaw of the non-buckle sleeve 5 is pulled out from the adjusting nut 4

Is disengaged from the groove;

3. the adjusting nut 4 is screwed to enable the first rod 1 to move relative to the second rod 2, and then the relative positions of the two rods are adjusted until the adjusting is adjusted to a proper stroke;

4. the tooth of the non-buckle shaft sleeve 5 is embedded into the groove of the adjusting nut 4;

5. sequentially screwing the locking nut 6 and the thin nut 7;

examples 1 and 2 were used with the test stick inverted according to the following procedure:

1. sequentially loosening the elastic gasket 13, the thin nut 7 and the locking nut 6;

2. extracting the shaft sleeve 5 without the buckle from the joint 3;

3. screwing the adjusting nut 4 until the adjusting nut 4 is disengaged from the first rod 1;

4. removing the fixing bolt 8 and its accessory parts from the second rod 2;

5. installing the joint iron 3 into one end of the second rod 2 with the threaded mounting hole, and installing the fixing bolt 8 and the accessory parts thereof;

6. the end of the first rod 1 with the external thread penetrates into the joint 3, and is sequentially provided with an adjusting nut 4 and a buckle-free shaft sleeve 5 to be adjusted to a proper stroke;

7. the first rod 1 is fitted with a spring washer, and the lock nut 6 and the thin nut 7 are tightened.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.