阅读说明：本技术 一种转速传感器传动部件齿轮间隙的检查工具与检查方法 (Inspection tool and inspection method for gear clearance of transmission part of rotating speed sensor ) 是由 金鑫 张栓 孟子怡 迟岑 傅泓睿 于 2019-10-29 设计创作，主要内容包括：一种转速传感器传动部件齿轮间隙的检查工具与检查方法,包括第一齿轮固定工具、第二齿轮固定工具及侧向间隙测量工具,所述第一齿轮固定工具、第二齿轮固定工具及侧向间隙测量工具均安装于转速传感器传动部件壳体顶板上。通过第一齿轮固定工具、第二齿轮固定工具及测向间隙测量工具实现了齿轮啮合间隙值的快速检查,提升了转速传感器传动部件的装配效率,同时本发明工具可衍生应用至不同型号传速传感器传动部件或其他部件的齿轮啮合间隙检查,具有实际应用价值,适合批量生产使用；本发明结构应用可靠,有助于对产品质量的掌控。(A checking tool and a checking method for gear clearance of a transmission part of a speed sensor comprise a first gear fixing tool, a second gear fixing tool and a lateral clearance measuring tool, wherein the first gear fixing tool, the second gear fixing tool and the lateral clearance measuring tool are all arranged on a top plate of a shell of the transmission part of the speed sensor. The tool can be derived and applied to the gear meshing clearance inspection of transmission parts of different models or other parts, has practical application value and is suitable for batch production; the structure of the invention is reliable in application and is beneficial to the control of product quality.)

1. The utility model provides a tool for inspecting gear clearance of a transmission part of a speed sensor, which is characterized in that comprises a first gear fixing tool, a second gear fixing tool and a lateral clearance measuring tool, wherein the first gear fixing tool, the second gear fixing tool and the lateral clearance measuring tool are all arranged on a top plate of a shell of the transmission part of the speed sensor.

2. The tool for checking the gear backlash of the transmission member of the rotational speed sensor according to claim 1, wherein: the first gear fixing tool comprises a first fixing piece, a screw rod, a star-shaped nut and a cylindrical pin, the screw rod is connected in a central threaded hole of the first fixing piece in a screwed mode, first unthreaded holes are machined in two ends of the first fixing piece, a stud penetrates into the first unthreaded hole and is screwed up through the nut to fix the first fixing piece on a shell of a transmission part of the revolution speed sensor, the star-shaped nut is connected to the top of the screw rod in a screwed mode, and the cylindrical pin is radially arranged at the joint of the screw rod and the star-shaped nut.

3. The tool for checking the gear backlash of the transmission member of the rotational speed sensor according to claim 1, wherein: the second gear fixing tool comprises a second fixing plate, a screw, a first butterfly nut, a first pull rod and a first bush, wherein the second fixing plate is triangular, second unthreaded holes are processed at three angular positions of the second fixing plate, stud bolts penetrate into the second unthreaded holes and are screwed down through the nut to fix the second fixing plate on a shell of a transmission part of the revolution speed sensor, threaded holes are processed along the circumferential direction of the second fixing plate, a through hole I is processed at the center of the second fixing plate, the first bush is integrally formed by a disc and a cylinder, a through hole II is processed at the center of the disc of the first bush, a countersunk hole corresponding to the threaded hole is processed at the circumferential direction of the disc of the first bush, after the cylinder part of the first bush passes through the through hole I of the second fixing plate, the first bush is fixed on the upper surface of the second fixing plate through the screw, the countersunk hole and the threaded hole in a threaded manner, and the central hole of the cylinder part of the first bush is a first inner hole, and the first conical surface inner hole and the through hole II are coaxially arranged, a first long groove is processed in the circumferential direction of the cylinder wall of the cylinder of the first bush, a first pull rod penetrates into the first conical surface inner hole of the cylinder of the first bush, and the top end of the first pull rod penetrates through the through hole II on the disc and then is screwed with a first butterfly nut.

4. The tool for checking the gear backlash of the transmission member of the rotational speed sensor according to claim 1, wherein: the lateral clearance measuring tool comprises a second pull rod, a second butterfly nut, a measuring table and a second bushing, a hole is machined in the center of a disc of the measuring table, a second bushing step shaft upper portion is inserted into the hole, a second long groove is machined in the lower portion of a second bushing step shaft along the circumferential direction, a second taper face inner hole is formed in the second bushing along the axis direction and is the same as the taper face shaft angle of the second pull rod, the second pull rod is coaxially sleeved in the second taper face inner hole of the second bushing, the second pull rod is in threaded connection with the butterfly nut through the external threads on the upper portion of the second pull rod and the internal threads of the butterfly nut, and a scribed line is arranged on a long rod of the measuring table.

5. A method for inspecting gear backlash of a transmission member of a rotational speed sensor, which uses the tool for inspecting gear backlash of a transmission member of a rotational speed sensor according to claim 1, comprising the steps of:

step 1, installing an inspection tool, penetrating a screw rod of a first gear fixing tool into a shell of a rotating speed sensor transmission part, simultaneously installing a first fixing piece on a stud of the shell of the rotating speed sensor transmission part at the top of a first gear, and screwing a nut to fix the first gear fixing tool on the shell of the rotating speed sensor transmission part through the first fixing piece; penetrating a first pull rod of a second gear fixing tool into a shell of the rotating speed sensor transmission part, simultaneously installing a second fixing sheet on a stud of the shell of the rotating speed sensor transmission part at the top of a fourth gear, and screwing a nut to fix the second gear fixing tool on the shell of the rotating speed sensor transmission part through the second fixing sheet; after a second bush of the lateral clearance measuring tool penetrates through a shell of a transmission part of the rotating speed sensor, the second bush is inserted into a square hole provided with a gear shaft of a second gear and a gear shaft of a third gear at the same time, a second pull rod is rotated through a second butterfly nut and moves upwards, the lower part of a step shaft of the second bush is propped open by a conical surface of the second pull rod, and the second bush is tightly attached and fixed with the square hole provided with the gear shaft of the second gear and the gear shaft of the third gear;

step 2, measuring a gap between the first gear and the second gear, screwing a star nut of the first gear fixing tool, and driving a screw rod to move downwards to jack the first gear tightly; rotating a second gear, wherein the second gear drives a measuring table of the lateral clearance measuring tool to rotate through a gear shaft, and the distance of the tangent direction of movement of a scribed line on a long rod of the lateral clearance measuring tool is the lateral meshing clearance between the first gear and the second gear;

step 3, measuring a gap between the third gear and the fourth gear, rotating the first pull rod through the first butterfly nut, enabling the first pull rod to move upwards, and enabling the conical surface of the first pull rod to support the lower portion of the cylinder of the first bushing to be tightly attached and fixed with a square hole of a gear shaft of the fourth gear in a tensioning manner; and the third gear is rotated, the third gear drives the measuring table of the lateral clearance measuring tool to rotate through the gear shaft, and the distance of the tangent direction of the movement of the scribed line on the long rod of the lateral clearance measuring tool is the lateral meshing clearance between the third gear and the fourth gear.

Technical Field

The invention belongs to the technical field of special tools for aero-engines, and particularly relates to a tool and a method for checking gear clearance of a transmission part of a rotating speed sensor.

Background

A rotating speed sensor transmission part is arranged on a certain engine accessory casing, the part is a two-stage gear transmission mechanism, and in order to ensure the accuracy of output signals of the rotating speed sensor, the lateral clearance of each stage of transmission gear part is required to be ensured to be between 0.13 and 0.39. Because the part is in two-stage transmission, one stage of gear needs to be fixed, the meshing clearance of the other stage of gear needs to be checked, and the meshing clearance of the other stage of gear needs to be checked according to the same principle; if the clearance is not qualified, adjustment is required by replacing the gear part. The gear clearance inspection tool that can look up at present stage, most bulky or use complicated mechanisms such as sensor, it is more inconvenient to use, can not satisfy this rotational speed sensor transmission part's structural feature, also can't realize the quick inspection in gear clearance, influences assembly efficiency.

Disclosure of Invention

The invention aims to provide a tool and a method for checking the gear clearance of a transmission component of a speed sensor, which can improve the assembly quality and efficiency of the component.

The utility model provides a rotational speed sensor transmission part gear clearance's inspection tool, includes first gear fixing tool, second gear fixing tool and side clearance measuring tool, first gear fixing tool, second gear fixing tool and side clearance measuring tool all install on rotational speed sensor transmission part casing roof.

The first gear fixing tool comprises a first fixing piece, a screw rod, a star-shaped nut and a cylindrical pin, the screw rod is connected in a central threaded hole of the first fixing piece in a screwed mode, first unthreaded holes are machined in two ends of the first fixing piece, a stud penetrates into the first unthreaded hole and is screwed up through the nut to fix the first fixing piece on a shell of a transmission part of the revolution speed sensor, the star-shaped nut is connected to the top of the screw rod in a screwed mode, and the cylindrical pin is radially arranged at the joint of the screw rod and the star-shaped nut.

The second gear fixing tool comprises a second fixing plate, a screw, a first butterfly nut, a first pull rod and a first bush, wherein the second fixing plate is triangular, second unthreaded holes are processed at three angular positions of the second fixing plate, stud bolts penetrate into the second unthreaded holes and are screwed down through the nut to fix the second fixing plate on a shell of a transmission part of the revolution speed sensor, threaded holes are processed along the circumferential direction of the second fixing plate, a through hole I is processed at the center of the second fixing plate, the first bush is integrally formed by a disc and a cylinder, a through hole II is processed at the center of the disc of the first bush, a countersunk hole corresponding to the threaded hole is processed at the circumferential direction of the disc of the first bush, after the cylinder part of the first bush passes through the through hole I of the second fixing plate, the first bush is fixed on the upper surface of the second fixing plate through the screw, the countersunk hole and the threaded hole in a threaded manner, and the central hole of the cylinder part of the first bush is a first inner hole, and the first conical surface inner hole and the through hole II are coaxially arranged, a first long groove is processed in the circumferential direction of the cylinder wall of the cylinder of the first bush, a first pull rod penetrates into the first conical surface inner hole of the cylinder of the first bush, and the top end of the first pull rod penetrates through the through hole II on the disc and then is screwed with a first butterfly nut.

The lateral clearance measuring tool comprises a second pull rod, a second butterfly nut, a measuring table and a second bushing, a hole is machined in the center of a disc of the measuring table, a second bushing step shaft upper portion is inserted into the hole, a second long groove is machined in the lower portion of a second bushing step shaft along the circumferential direction, a second taper face inner hole is formed in the second bushing along the axis direction and is the same as the taper face shaft angle of the second pull rod, the second pull rod is coaxially sleeved in the second taper face inner hole of the second bushing, the second pull rod is in threaded connection with the butterfly nut through the external threads on the upper portion of the second pull rod and the internal threads of the butterfly nut, and a scribed line is arranged on a long rod of the measuring table.

The first lining sleeve is circular in cross section, and the measuring table is in a badminton racket shape in cross section.

A method for checking the gear clearance of a transmission component of a speed sensor adopts a tool for checking the gear clearance of the transmission component of the speed sensor, and comprises the following steps:

step 1, installing an inspection tool, penetrating a screw rod of a first gear fixing tool into a shell of a rotating speed sensor transmission part, simultaneously installing a first fixing piece on a stud of the shell of the rotating speed sensor transmission part at the top of a first gear, and screwing a nut to fix the first gear fixing tool on the shell of the rotating speed sensor transmission part through the first fixing piece; penetrating a first pull rod of a second gear fixing tool into a shell of the rotating speed sensor transmission part, simultaneously installing a second fixing sheet on a stud of the shell of the rotating speed sensor transmission part at the top of a fourth gear, and screwing a nut to fix the second gear fixing tool on the shell of the rotating speed sensor transmission part through the second fixing sheet; after a second bush of the lateral clearance measuring tool penetrates through a shell of a transmission part of the rotating speed sensor, the second bush is inserted into a square hole provided with a gear shaft of a second gear and a gear shaft of a third gear at the same time, a second pull rod is rotated through a second butterfly nut and moves upwards, the lower part of a step shaft of the second bush is propped open by a conical surface of the second pull rod, and the second bush is tightly attached and fixed with the square hole provided with the gear shaft of the second gear and the gear shaft of the third gear;

step 2, measuring a gap between the first gear and the second gear, screwing a star nut of the first gear fixing tool, and driving a screw rod to move downwards to jack the first gear tightly; rotating a second gear, wherein the second gear drives a measuring table of the lateral clearance measuring tool to rotate through a gear shaft, and the distance of the tangent direction of movement of a scribed line on a long rod of the lateral clearance measuring tool is the lateral meshing clearance between the first gear and the second gear;

step 3, measuring a gap between the third gear and the fourth gear, rotating the first pull rod through the first butterfly nut, enabling the first pull rod to move upwards, and enabling the conical surface of the first pull rod to support the lower portion of the cylinder of the first bushing to be tightly attached and fixed with a square hole of a gear shaft of the fourth gear in a tensioning manner; and the third gear is rotated, the third gear drives the measuring table of the lateral clearance measuring tool to rotate through the gear shaft, and the distance of the tangent direction of the movement of the scribed line on the long rod of the lateral clearance measuring tool is the lateral meshing clearance between the third gear and the fourth gear.

The invention has the beneficial effects that:

the tool can be derived and applied to the gear meshing clearance inspection of transmission parts of different models or other parts, has practical application value and is suitable for batch production; the structure of the invention is reliable in application and beneficial to control the product quality; the tool of the invention saves cost of 2000 yuan due to low efficiency, equipment occupation consumption, rework and the like, and has annual economic benefit value of 10 ten thousand yuan calculated by annual output of 50 yuan.

Drawings

FIG. 1 is a front view of a rotational speed sensor transmission member assembled with a gear clearance inspection tool;

FIG. 2 is a top view of the rotational speed sensor transmission member and gear clearance inspection tool assembly;

FIG. 3 is a schematic view of a rotational speed sensor transmission component;

FIG. 4 is a top view of the structure of the transmission part of the revolution speed sensor;

FIG. 5 is a front view of a first gear fixing tool structure of the checking tool for the gear clearance of the transmission part of the rotation speed sensor;

FIG. 6 is a structural top view of a first gear fixing tool of the checking tool for the gear clearance of the transmission part of the rotating speed sensor;

FIG. 7 is a three-dimensional view of a first gear fixing tool structure of an inspection tool for gear clearance of a transmission part of a rotating speed sensor;

FIG. 8 is a front view of a second gear fixing tool structure of the checking tool for the gear clearance of the transmission part of the rotation speed sensor;

FIG. 9 is a top view of a second gear fixing tool structure of the checking tool for the gear clearance of the transmission part of the rotation speed sensor;

FIG. 10 is a three-dimensional view of the structure of the inspection tool side clearance measurement tool for the gear clearance of the transmission part of the rotation speed sensor:

FIG. 11 is a front view of a side clearance measuring tool configuration for a tool for checking gear clearance of a transmission member of a rotational speed sensor;

FIG. 12 is a top view of the inspection tool side clearance measurement tool configuration for gear clearance of the speed sensor transmission;

1-a first gear fixing tool, 101-a screw rod, 102-a first fixing plate, 103-a star-shaped nut, 104-a cylindrical pin, 2-a second gear fixing tool, 201-a second fixing plate, 202-a screw, 203-a first butterfly nut, 204-a first pull rod, 205-a first bushing, 206-a first long groove, 3-a lateral clearance measuring tool, 301-a second pull rod, 302-a second butterfly nut, 303-a measuring table, 304-a second bushing, 305-a second long groove, 306-a scribed line, 4-a rotating speed sensor transmission part shell, 5-a first gear, 6-a second gear, 7-a third gear and 8-a fourth gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 4, an inspection tool for a gear clearance of a transmission part of a rotation speed sensor comprises a first gear fixing tool 1, a second gear fixing tool 2 and a lateral clearance measuring tool 3, wherein the first gear fixing tool 1, the second gear fixing tool 2 and the lateral clearance measuring tool 3 are all mounted on a top plate of a transmission part housing 4 of the rotation speed sensor.

As shown in fig. 5 and 6, the first gear fixing tool 1 includes a first fixing plate 102, a screw 101, a star nut 103, and a cylindrical pin 104, the screw 101 is screwed into a central threaded hole of the first fixing plate 102, first optical holes are formed at two ends of the first fixing plate 102, a stud is inserted into the first optical hole and the first fixing plate 102 is fixed on the housing 4 of the rotational speed sensor transmission part by screwing the nut, the star nut 103 is screwed onto the top of the screw 101, and the cylindrical pin 104 is radially disposed at the joint of the screw 101 and the star nut 103.

As shown in fig. 7 to 9, the second gear fixing tool 2 includes a second fixing plate 201, a screw 202, a first butterfly nut 203, a first pull rod 204, and a first bushing 205, the second fixing plate 201 is triangular, a second unthreaded hole is formed at three angular positions of the second fixing plate 201, a stud is inserted into the second unthreaded hole and the second fixing plate 201 is fixed to the rotational speed sensor transmission part housing 4 by screwing the nut, a threaded hole is formed along a circumferential direction of the second fixing plate, a through hole i is formed at a center of the second fixing plate, the first bushing 205 is integrally formed by a disc and a cylinder, a through hole ii is formed at a center of the disc of the first bushing 204, a countersunk hole corresponding to the threaded hole is formed at a circumferential direction of the disc of the first bushing 205, after the cylindrical portion of the first bushing 205 passes through the through hole i of the second fixing plate 201, the first bushing 205 is fixed to an upper surface of the second fixing plate 201 by screwing the screw 202 with the countersunk hole and the threaded hole, the center hole of the cylindrical part of the first bushing 205 is a first conical surface inner hole, the first conical surface inner hole is coaxially arranged with the through hole II, a first long groove 206 is formed in the circumferential direction of the cylindrical wall of the first bushing 205, a first pull rod 204 penetrates into the first conical surface inner hole of the cylindrical part of the first bushing 205, the conical surface section of the first pull rod 204 is matched with the first conical surface inner hole to expand the cylindrical part of the first bushing 205, and a first butterfly nut 203 is screwed on the outer thread section of the first pull rod 204 after penetrating through the through hole II on the disc.

As shown in fig. 10 to 12, the lateral clearance measuring tool 3 includes a second pull rod 301, a second butterfly nut 302, a measuring table 303, and a second bushing 304, a hole is formed in the center of a circular disc of the measuring table 303, an upper portion of a step shaft of the second bushing 304 is inserted into the hole, a second long groove 305 is formed in the lower portion of the step shaft of the second bushing 304 along the circumferential direction, a second taper inner hole is formed in the second bushing 304 along the axial direction, and has the same angle with the taper shaft of the second pull rod 301, the second pull rod 301 is coaxially sleeved in the second taper inner hole of the second bushing 304, a taper section of the second pull rod 301 is matched with the second taper inner hole to expand the lower portion of the step shaft of the second bushing 304, the second pull rod 301 is screwed with the butterfly nut through an external thread on the upper portion thereof, a score line 306 is disposed on a long rod of the measuring table 303, and a center distance d between the score line 306 and the second pull rod 301 is mz, wherein m is the module of the gear to be measured, and z is the number of teeth of the gear to be measured.

The first bushing 205 is circular in cross section, and the measuring table 303 is badminton racket-shaped in cross section.

A method for checking the gear clearance of a transmission component of a speed sensor adopts a checking tool for the gear clearance of the transmission component of the speed sensor, the transmission component of the speed sensor comprises a shell, a first gear 5, a second gear 6, a third gear 7 and a fourth gear 8 are respectively arranged in the shell through gear shafts, the first gear 5 is meshed with the second gear 6, the second gear 6 and the third gear 7 are coaxially arranged and fixed through a set screw without relative rotation, the third gear 7 is positioned above the second gear 6, the third gear 7 is meshed with the fourth gear 8, and the method comprises the following steps:

step 1, installing an inspection tool, penetrating a screw 101 of a first gear fixing tool 1 into a rotating speed sensor transmission part shell 4, installing a first fixing piece 102 on a stud of the rotating speed sensor transmission part shell 4 at the top of a first gear 5, and screwing a nut to fix the first gear fixing tool 1 on the rotating speed sensor transmission part shell 4 through the first fixing piece 102; penetrating a first pull rod 204 of the second gear fixing tool 2 into the rotation speed sensor transmission part shell 4, meanwhile, installing a second fixing plate 201 on a stud of the rotation speed sensor transmission part shell 4 at the top of the fourth gear 8, and screwing a nut to fix the second gear fixing tool 2 on the rotation speed sensor transmission part shell 4 through the second fixing plate 201; after a second bush 304 of the lateral clearance measuring tool 3 penetrates through a shell 4 of a transmission part of the rotating speed sensor, the second bush is inserted into a square hole of a gear shaft provided with a second gear 6 and a third gear 7 at the same time, a second pull rod 301 is rotated through a second butterfly nut 302, the second pull rod 301 moves upwards, the lower part of a step shaft of the second bush 304 is propped open by a conical surface of the second pull rod 301, and the second bush is tightly attached and fixed with a square hole of the gear shaft provided with the second gear 6 and the third gear 7 at the same time in a tensioning manner;

step 2, measuring a gap between the first gear 5 and the second gear 6, screwing a star nut 103 of the first gear fixing tool 1, and driving a screw 101 to move downwards to jack the first gear 5 tightly; rotating the second gear 6, wherein the second gear 6 drives the measuring table 303 of the lateral clearance measuring tool to rotate through a gear shaft, and the distance of the tangent direction of the movement of the scribed line 306 on the long rod of the lateral clearance measuring tool 3 is the lateral meshing clearance between the first gear 5 and the second gear 6;

step 3, measuring a gap between the third gear 7 and the fourth gear 8, rotating the first pull rod 204 through the first butterfly nut 203, moving the first pull rod 204 upwards, expanding the lower part of the cylinder of the first bushing 205 by the conical surface of the first pull rod 204, and tightly attaching and fixing the expanded lower part of the cylinder with the square hole of the gear shaft of the fourth gear 8; when the third gear 7 is rotated, the third gear 7 drives the measuring table 303 of the lateral clearance measuring tool to rotate through the gear shaft, and the distance in the tangential direction of the movement of the scribed line 306 on the long rod of the lateral clearance measuring tool 3 is the lateral meshing clearance between the third gear 7 and the fourth gear 8.