CN210180356U

CN210180356U - Detection tool for gear pair for reciprocating saw

Info

Publication number: CN210180356U
Application number: CN201921113841.8U
Authority: CN
Inventors: Xingyang Li; 李星阳
Original assignee: YANGZHOU SITONG POWDER METALLURGY CO Ltd
Current assignee: YANGZHOU SITONG POWDER METALLURGY CO Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-03-24
Anticipated expiration: 2029-07-16

Abstract

The utility model relates to a gear pair detects frock technical field, and discloses a reciprocal saw is with detection frock of gear pair, comprises a workbench, the spout has been seted up at the middle part of workstation upper surface, the inner chamber of spout slides and has cup jointed first spacing axle, the top activity of first spacing axle has cup jointed the standard gear, the position fixed mounting that is close to the spout in workstation upper surface middle part has the spacing axle of second, the measured gear has been cup jointed on the spacing axle of second, one side fixed mounting of workstation upper surface has the baffle. The utility model discloses a set up and press down rotatory bolt and make the rotary rod rotatory and drive the grip block with the wire rope shrink and begin to be close to the gear being surveyed, later will be surveyed the gear centre gripping, loosen the hand of pressing down the bolt this moment for the bolt is bounced and is locked down under the suction of magnet and last magnet down, prevents to kick-back, and sets up the arch through the surface at the grip block and makes to be surveyed the gear by more firm of centre gripping.

Description

Detection tool for gear pair for reciprocating saw

Technical Field

The utility model relates to a gear pair detects frock technical field, specifically is a reciprocating saw detects frock with gear pair.

Background

The gear pair is a basic mechanism composed of two meshed gears, a certain backlash is formed between the gear pair, the backlash of the gears refers to the distance between the non-working surfaces of a pair of meshed gears along the normal direction, a pair of meshed gears need to be provided with backlash so as to compensate the elastic deformation of the gears during the manufacturing and installation, the transmission load and the deformation influenced by temperature, and a certain amount of lubricating oil can be stored so as to improve the lubricating state of the gear surface, but the backlash of the gears is too large, the noise generated by the gear transmission is increased, the friction between the gears is increased, and the service life of the gears is influenced, so the smaller the backlash of the gears is better under the condition of ensuring normal use, the smaller the backlash of the gears is better when the gears are manufactured according to the precision grade required by the gears, and the conventional detection method is a lead wire pressing method for detecting the backlash of the gear pair, the lead wire pressing method is characterized in that 2-4 lead wires are placed on a tooth surface with the tooth width in parallel, the diameter of each lead wire is not larger than 4 times of the minimum gap, the lead wires are extruded by rotating a gear, and the thickness of the thinnest part of each lead wire after being extruded is the side gap value.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a reciprocating saw is with detection frock of gear pair possesses the gear centre gripping and stabilizes, and measured data is readable, measures convenient and fast's advantage, has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: a detection tool for a gear pair for a reciprocating saw comprises a workbench, wherein a sliding groove is formed in the middle of the upper surface of the workbench, a first limiting shaft is sleeved in an inner cavity of the sliding groove in a sliding mode, a standard gear is sleeved on the top end of the first limiting shaft in a movable mode, a second limiting shaft is fixedly installed at the position, close to the sliding groove, in the middle of the upper surface of the workbench, a gear to be detected is sleeved on the second limiting shaft, a baffle is fixedly installed at one side of the upper surface of the workbench, clamping plates are sleeved on two sides of the baffle in a sliding mode, a support is fixedly installed at one side of the middle of the baffle, a bolt penetrates through the middle of the support, one side of the bottom of each clamping plate is fixedly connected with one end of a sleeve rod, a limiting shell is fixedly installed at the middle of the lower surface of the support, a rotary rod is fixedly installed at, the upper magnet is fixedly mounted above the position of the inner cavity of the limiting shell corresponding to the lower magnet, and a steel wire rope is sleeved on the outer surface of the rotating rod.

Carefully, three gyro wheels have been cup jointed in the bottom activity of first spacing axle, and is three the gyro wheel is installed respectively in the both sides and the bottom of first spacing axle bottom, and installs the gyro wheel diameter value of bottom for installing half at both sides gyro wheel diameter value, the top of first spacing axle is provided with the scale.

And carefully selecting, wherein a pointer is arranged at the position of the standard gear corresponding to the first limit shaft scale, and the standard gear has different models corresponding to the measured gear.

Carefully selecting, the bottom of grip block runs through the baffle and sliding connection is on the baffle, the grip block is close to one side surface of being surveyed the gear and is provided with the arch.

And carefully selecting, wherein the shape of the second limit shaft is a cuboid, and the height value of the second limit shaft is greater than the thickness value of the gear to be measured.

And carefully selecting, wherein the upper magnet and the lower magnet are in heteropolar attraction relationship, and the upper magnet and the lower magnet are in circular ring shapes.

And carefully selecting, wherein two ends of the steel wire rope are respectively connected to the two clamping plates, and the steel wire rope is wrapped in the inner cavity of the loop bar.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a set up and press down rotatory bolt and make the rotary rod rotatory and drive the grip block with the wire rope shrink and begin to be close to the gear being surveyed, later will be surveyed the gear centre gripping, loosen the hand of pressing down the bolt this moment for the bolt is bounced and is locked down under the suction of magnet and last magnet down, prevents to kick-back, and sets up the arch through the surface at the grip block and makes to be surveyed the gear by more firm of centre gripping.

2. The utility model discloses a set up the scale on the top of first spacing axle to set up the scale pointer on the surface of standard gear, make and read out the gear backlash through the scale when standard gear is rotatory, make to measure more convenient, improved work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A of the structure of FIG. 1 of the present invention;

FIG. 3 is an enlarged view of the point B of the structure of FIG. 1 of the present invention;

FIG. 4 is a schematic view of a first spacing shaft of the present invention;

fig. 5 is a schematic view of the structure of the rotary rod of the present invention.

In the figure: 1. a work table; 2. a chute; 3. a first limit shaft; 31. a roller; 4. a standard gear; 5. a second limit shaft; 6. a gear to be tested; 7. a baffle plate; 8. a clamping plate; 9. a support; 10. a bolt; 11. a loop bar; 12. a limiting shell; 13. rotating the rod; 14. a lower magnet; 15. an upper magnet; 16. a steel cord.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a tool for detecting a gear pair for a reciprocating saw comprises a worktable 1, a chute 2 is formed in the middle of the upper surface of the worktable 1, a first limit shaft 3 is slidably sleeved in an inner cavity of the chute 2, three rollers 31 are movably sleeved at the bottom of the first limit shaft 3, the three rollers 31 are respectively installed at the two sides and the bottom of the first limit shaft 3, the diameter of the roller 31 installed at the bottom is half of the diameter of the rollers 31 installed at the two sides, scales are arranged at the top of the first limit shaft 3, the three rollers 31 are arranged at the bottom of the first limit shaft 3 to enable the sliding to be smoother, meanwhile, the friction is reduced to enable the service life of the device to be longer, the cost is saved, in addition, the scales are arranged at the top of the first limit shaft 3 to enable the reading to be simpler and faster, the practicability of the device is increased, a standard gear 4 is movably sleeved at the, the standard gear 4 is provided with a pointer corresponding to the position of the scale of the first limit shaft 3, the standard gear 4 has different types corresponding to the gear 6 to be measured, the pointer is arranged on the surface of the standard gear 4, the reading is more accurate by matching with the scale at the top end of the first limit shaft 3, in addition, the standard gear 4 with different types can meet the detection of different gears, the application range of the device is greatly increased, the second limit shaft 5 is fixedly arranged at the middle part of the upper surface of the workbench 1 close to the chute 2, the second limit shaft 5 is cuboid, the height value of the second limit shaft 5 is larger than the thickness value of the gear 6 to be measured, the second limit shaft 5 is cuboid and higher than the thickness value of the gear 6 to be measured, the gear 6 to be measured is more stable and can not easily rotate and move, the detection reliability of the device is ensured, the gear 6 to be measured is sleeved on the second limit shaft 5, a baffle 7 is fixedly arranged on one side of the upper surface of the workbench 1, clamping plates 8 are sleeved on two sides of the baffle 7 in a sliding manner, the bottom end of each clamping plate 8 penetrates through the baffle 7 and is connected to the baffle 7 in a sliding manner, a bulge is arranged on one side surface of each clamping plate 8 close to the gear 6 to be detected, clamping is more stable by arranging the two clamping plates 8 on two sides, meanwhile, a lug is arranged on the surface of each clamping plate 8 and can fix the relative movement of the gear 6 to be detected, so that the gear 6 to be detected is completely clamped, the detection accuracy of the device is ensured, a support 9 is fixedly arranged on one side of the middle part of the baffle 7, a bolt 10 is sleeved in the middle part of the support 9 in a penetrating manner, one side of the bottom of each clamping plate 8 is fixedly connected with one end of a loop bar 11, a limiting shell 12 is fixedly arranged in the middle part of the lower surface of the, magnet 15 is gone up to position top fixed mounting that spacing shell 12 inner chamber corresponds magnet 14 down, it inhales the relation for the heteropolar looks between magnet 15 and the lower magnet 14 to go up, and the shape of going up magnet 15 and lower magnet 14 is the ring shape, set up magnet 15 and lower magnet 14 to ring shape cup joint on rotary rod 13, thereby it is unstable to lead to locking the centre gripping to go up magnet 15 and lower magnet 14 dislocation each other, make the testing result inaccuracy, wire rope 16 has been cup jointed to the surface of rotary rod 13, wire rope 16's both ends are connected respectively on two grip blocks 8, and wire rope 16 wraps up the inner chamber at loop bar 11, thereby utilize rotary rod 13's rotation to contract wire rope 16 and drive two grip blocks 8 synchronous to being close to by survey gear 6, and set up wire rope 16 at loop bar 11 inner chamber and make wire rope 16 not misplace, the usability of device has been guaranteed.

The working principle is as follows: during the use, standard gear 4 that will be surveyed gear 6 and correspond cup joints on first spacing axle 3, it is normal whether slip first spacing axle 3 inspection is normal, later will be surveyed gear 6 cup joints on second spacing axle 5, then go down behind the pressure bolt 10 rotatory bolt 10 make wire rope 16 begin to contract and drive grip block 8 and begin to be close to being surveyed gear 6, after grip block 8 centre gripping being surveyed gear 6, loosen bolt 10 and make bolt 10 kick-back lock under the mutual attraction of lower magnet 14 and last magnet 15, later remove first spacing axle 3 and make standard gear 4 be close to being surveyed gear 6 and mesh together, rotate standard gear 4 at last and read out the gear backlash through the scale at first spacing axle 3 top, can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reciprocating saw is with detection frock of gear pair, includes workstation (1), its characterized in that: the middle part of the upper surface of the workbench (1) is provided with a chute (2), an inner cavity of the chute (2) is slidably sleeved with a first limiting shaft (3), the top end of the first limiting shaft (3) is movably sleeved with a standard gear (4), the middle part of the upper surface of the workbench (1) close to the chute (2) is fixedly provided with a second limiting shaft (5), the second limiting shaft (5) is sleeved with a gear (6) to be tested, one side of the upper surface of the workbench (1) is fixedly provided with a baffle (7), two sides of the baffle (7) are slidably sleeved with a clamping plate (8), one side of the middle part of the baffle (7) is fixedly provided with a bracket (9), the middle part of the bracket (9) is penetrated and sleeved with a bolt (10), one side of the bottom of the clamping plate (8) is fixedly connected with one end of a sleeve rod (11), the middle part of the lower surface of the bracket (9) is fixedly provided with a limiting shell (, the one end fixed mounting of bolt (10) has rotary rod (13), the fixed cover in side at rotary rod (13) top has connect down magnet (14), magnet (15) are gone up to position top fixed mounting that spacing shell (12) inner chamber corresponds down magnet (14), wire rope (16) have been cup jointed to the surface of rotary rod (13).

2. The tool for detecting the gear pair for the reciprocating saw as claimed in claim 1, wherein: three gyro wheel (31) have been cup jointed in the bottom activity of first spacing axle (3), and are three gyro wheel (31) are installed respectively in the both sides and the bottom of first spacing axle (3) bottom, and install gyro wheel (31) diameter value in the bottom for installing at both sides gyro wheel (31) diameter value half, the top of first spacing axle (3) is provided with the scale.

3. The tool for detecting the gear pair for the reciprocating saw as claimed in claim 1, wherein: the standard gear (4) is provided with a pointer corresponding to the position of the scale of the first limiting shaft (3), and the standard gear (4) has different models corresponding to the measured gear (6).

4. The tool for detecting the gear pair for the reciprocating saw as claimed in claim 1, wherein: the second limiting shaft (5) is cuboid, and the height value of the second limiting shaft (5) is larger than the thickness value of the measured gear (6).

5. The tool for detecting the gear pair for the reciprocating saw as claimed in claim 1, wherein: the bottom end of the clamping plate (8) penetrates through the baffle (7) and is connected to the baffle (7) in a sliding mode, and a protrusion is arranged on the surface, close to the gear (6) to be measured, of one side of the clamping plate (8).

6. The tool for detecting the gear pair for the reciprocating saw as claimed in claim 1, wherein: the upper magnet (15) and the lower magnet (14) are in heteropolar attraction relationship, and the upper magnet (15) and the lower magnet (14) are circular rings.

7. The tool for detecting the gear pair for the reciprocating saw as claimed in claim 1, wherein: two ends of the steel wire rope (16) are respectively connected to the two clamping plates (8), and the steel wire rope (16) is wrapped in the inner cavity of the loop bar (11).