CN213842913U

CN213842913U - Rockwell hardness meter for detecting camshaft

Info

Publication number: CN213842913U
Application number: CN202022813911.XU
Authority: CN
Inventors: 朱海清; 杨卫国
Original assignee: Jingjiang Guomao Auto Parts Manufacturing Co ltd
Current assignee: Jingjiang Guomao Auto Parts Manufacturing Co ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-07-30
Anticipated expiration: 2030-11-28

Abstract

The utility model relates to a rockwell sclerometer for detecting camshaft, relate to the field of sclerometer, the relatively poor problem of stability is placed on the objective table for cylindrical so to the camshaft when aiming at solving the detection, including engine body shell, engine body shell is provided with the elevating platform with the workstation junction, the elevating platform top is located the pressure head that engine body shell is provided with test hardness, engine body shell is located the pressure head top and is provided with the reading dish, the elevating platform top is provided with the supporting part of putting the camshaft, the supporting part is including setting up in the first backup pad on elevating platform surface and the second backup pad that sets up with first backup pad symmetry, first backup pad inclines and forms the standing groove with the second backup pad symmetry. This application has the effect of the stability of promotion cam when detecting.

Description

Rockwell hardness meter for detecting camshaft

Technical Field

The application relates to the field of hardometers, in particular to a Rockwell hardometer for detecting a camshaft.

Background

The Rockwell hardness tester is designed according to the Rockwell hardness test principle of a first table in the world, only needs a unilateral contact pattern to test the Rockwell hardness tester of metal hardness, adsorbs a Rockwell hardness tester measuring head on the surface of steel by means of magnetic force, does not need to support the pattern, does not need to sample, does not need to move a workpiece, and can complete the hardness test only by unilateral contact.

Chinese patent with publication number CN207623165U discloses a rockwell hardness tester, which comprises an outer shell, set up in the elevating platform of shell, the shell is equipped with a breach face, fixed base station on the breach face bottom, set up the hand wheel on the base station, the objective table links to each other on the elevating platform top, a plurality of action bars are fixed on the side of hand wheel, the connection pad passes through the fastener to be fixed on breach face top, the one end of headstock links to each other with the connection pad, the pressure head links to each other with the other end of headstock, in operation, put the test product on the objective table, the action bar rotates the hand wheel, thereby drive the elevating platform and go up and down, thereby aim at the pressure head with the test product, press and test on the test product.

With respect to the related art in the above, the inventor believes that when the camshaft is tested while being placed on the stage, the camshaft looks like a cylinder and may fall off the stage during the test, which is inherently to be improved.

SUMMERY OF THE UTILITY MODEL

In order to promote the stability of camshaft when the test hardness, this application provides a rockwell hardness meter for detecting camshaft.

The application provides a rockwell hardness tester for detecting camshaft adopts following technical scheme:

the utility model provides a rockwell sclerometer for detecting camshaft, includes engine body shell, engine body shell is provided with the elevating platform with the workstation junction, the elevating platform top is located the pressure head that engine body shell is provided with test hardness, engine body shell is located the pressure head top and is provided with the reading dish, the elevating platform top is provided with the supporting part of putting camshaft, its characterized in that: the supporting part is including setting up in the first backup pad on elevating platform surface and the second backup pad that sets up with first backup pad symmetry, first backup pad inclines and forms the standing groove with the second backup pad symmetry.

Through adopting above-mentioned technical scheme, first backup pad and second backup pad slope form a standing groove that is used for placing the camshaft between first backup pad and the second backup pad, and the camshaft is laid to the standing groove when detecting, and the camshaft is cylindrical, and first backup pad and second backup pad laminate in the camshaft outer wall for the card that the camshaft can be fine is inside the standing groove, and can keep in the standing groove under camshaft action of gravity, thereby has effectively strengthened the stability of camshaft when detecting.

Optionally, the first supporting plate is connected with the second supporting plate through a rotating shaft, and a fixing part for fixing the first supporting plate and the second supporting plate is arranged below the first supporting plate and the second supporting plate.

Through adopting above-mentioned technical scheme, first backup pad and second backup pad can change the angle between first backup pad and the second backup pad under the effect of pivot, through changing the angle, can adapt to not unidimensional camshaft to can effectively promote stability equally to not unidimensional camshaft, thereby promote the universality of placing detection article.

Optionally, the fixing portion includes an auxiliary plate disposed between the lifting table and the supporting portion, and a plurality of springs disposed between the auxiliary plate and the supporting portion.

Through adopting above-mentioned technical scheme, spring coupling supporting part and accessory plate to the elasticity of spring plays the effect of a support for first backup pad and second backup pad, when placing the camshaft, does not need the angle between manual fixed first backup pad and the second backup pad, and the gravity of camshaft makes the spring push down, produces the elasticity that upwards supports simultaneously, thereby when the standing groove is placed inside at the camshaft, can adapt to not unidimensional camshaft in a flexible way.

Optionally, a stabilizer bar inserted into the spring is disposed on one side of the auxiliary plate close to the support plate.

Through adopting above-mentioned technical scheme, the spring is supporting, and the stabilizer bar that inserts in the spring and establish offsets with the spring inner wall to when placing the camshaft, the spring compresses or relaxs along stabilizer bar axial direction, has reduced the skew that the spring probably produced, thereby stability when further having promoted spring coupling and support.

Optionally, a connecting hole is formed in one end, close to the pressure head, of the lifting platform, a fastening internal thread is arranged on the inner wall of the connecting hole, a connecting rod inserted into the connecting hole is arranged on the side, away from the supporting portion, of the auxiliary plate, and a fastening external thread matched with the fastening internal thread is formed in the outer surface of the connecting rod.

Through adopting above-mentioned technical scheme, supporting part and fixed part pass through connecting rod threaded connection in the connecting hole of elevating platform one end to can dismantle supporting part and fixed part and connect in elevating platform department, thereby be convenient for maintenance and the change to follow-up supporting part and fixed part.

Optionally, the side wall of the lifting platform is provided with a fixing hole communicated with the connecting hole, and the inner wall of the fixing hole is in threaded connection with a fastening bolt abutted against the connecting rod.

Through adopting above-mentioned technical scheme, after installation supporting part and fixed part, with fastening bolt threaded connection in elevating platform, fastening bolt is close to the one end of connecting rod and offsets tightly with the connecting rod to reduced because the mistake is touched probably to cause the unstability of measuring time, and then promoted the fixed part with the stability of supporting part.

Optionally, one side of the supporting part, which is attached to the cam shaft, is provided with a cushion rubber pad.

Through adopting above-mentioned technical scheme, the camshaft is a processing spare part of metal material, has certain gravity, and when the camshaft laminating was in the supporting part, if place the more urgent certain impact force that can produce, rubber cushion pad absorbed the impact force when the camshaft was placed, has slowed down the camshaft and has effectively promoted the life of rockwell hardometer to some internals's of rockwell hardometer damage when placing.

Optionally, damping patterns are formed on the surface of the cushion rubber pad.

Through adopting above-mentioned technical scheme, the setting up of damping decorative pattern makes the camshaft produce certain frictional force with the damping decorative pattern when placing in the mounting groove to stability between camshaft and the supporting part has been increased.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the Rockwell hardness tester comprises a lifting table arranged at the joint of a machine body shell and a workbench, a supporting part is arranged above the lifting table and comprises a first supporting plate and a second supporting plate which is symmetrically arranged with the first supporting plate, the first supporting plate and the second supporting plate are obliquely arranged to form a placing groove, a camshaft is placed in the placing groove, the first supporting plate and the second supporting plate support the side wall of the camshaft together, and the stability of the camshaft during detection is effectively improved;

2. the first supporting plate is connected with the second supporting plate through the rotating shaft, the fixing portion is arranged below the supporting portion and comprises an auxiliary plate located between the lifting platform and the supporting portion, a plurality of springs are arranged on one face, away from the lifting platform, of the auxiliary plate, the other end of each spring is connected with one face, close to the lifting platform, of the first supporting plate and the second supporting plate, the angle between the first supporting plate and the second supporting plate can be changed at will, and therefore the camshaft detection device can adapt to detection of camshafts of different sizes.

Drawings

FIG. 1 is an overall schematic view showing a Rockwell hardness tester for testing a camshaft in an embodiment of the present application.

Fig. 2 is an exploded schematic view showing a connection relationship among the elevating platform, the fixing portion and the supporting portion in the embodiment of the present application.

Description of reference numerals: 1. a body housing; 2. a fixed table; 3. a lifting platform; 4. adjusting the rotating wheel; 5. connecting holes; 6. fastening the internal thread; 7. a connecting rod; 8. fastening the external thread; 9. a fixing hole; 10. fastening a bolt; 11. a fixed part; 111. an auxiliary plate; 112. a spring; 113. a stabilizer bar; 12. a support portion; 121. a first support plate; 122. a second support plate; 13. a placement groove; 14. a cushion rubber pad; 15. damping patterns; 16. a pressure head; 17. a reading disc.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a Rockwell hardness tester for detecting a camshaft. Referring to fig. 1, a rockwell hardness tester for detecting camshaft, includes engine body shell 1, and engine body shell 1 and table surface junction an organic whole are connected with

fixed station

2, and 2 surperficial tops an organic whole of fixed station are connected with

elevating platform

3, and 3 below covers of elevating platform are equipped with regulation runner 4, rotate regulation runner 4, can change elevating platform 3's height.

Referring to fig. 2, connecting hole 5 has been seted up to the one end that fixed station 2 was kept away from to elevating platform 3, and fastening internal thread 6 has been seted up to connecting hole 5 inner wall, and 3 upper ends of elevating platform are connected with and insert the connecting rod 7 of locating in connecting hole 5, and the fastening external screw thread 8 with fastening internal thread 6 adaptation is seted up on the outer wall surface of connecting rod 7.

Referring to fig. 2, the lifting platform 3 is located at the outer wall of the connecting hole 5 and is provided with two fixing holes 9, fastening bolts 10 are inserted into the fixing holes 9, and the fastening bolts 10 are in threaded connection with the lifting platform 3 and abut against the connecting rod 7, so that the connecting rod 7 is further fixed, and the stability of the connecting rod 7 in the connecting hole 5 is improved.

Referring to fig. 2, a fixing portion 11 is installed at one end of the connecting rod 7 away from the connecting hole 5, and the fixing portion 11 includes an auxiliary plate 111 welded to the connecting rod 7, a plurality of springs 112 fixedly connected to one surface of the auxiliary plate 111 away from the connecting rod 7, and a stabilizer bar 113 sleeved inside the springs 112 and welded to one surface of the auxiliary plate 111.

Referring to fig. 2, the other end of the spring 112 is welded with a support portion 12, the support portion 12 includes a first support plate 121 and a second support plate 122, the first support plate 121 and the second support plate 122 are symmetrical and connected through a rotating shaft, so that a placing groove 13 for placing the camshaft is formed between the first support plate 121 and the second support plate 122.

Referring to fig. 2, a cushion rubber pad 14 is glued on one side of the support portion 12 away from the spring 112, in the embodiment of the present application, the cushion rubber pad 14 is made of rubber tree collected latex, which is a polymer of isoprene, and has a good wear resistance, so that the wear of the camshaft on the support portion 12 during the test can be reduced; damping pattern 15 has been seted up on cushion rubber pad 14 surface, has effectively increased the frictional force between cushion rubber pad 14 and the camshaft, has promoted the stability of camshaft when detecting.

Referring to fig. 1, an indenter 16 for testing hardness is integrally connected to the housing 1 above the supporting portion 12, and a reading plate 17 is welded to the wall of the housing 1 above the indenter 16.

The implementation principle of the Rockwell hardness tester for detecting the camshaft in the embodiment of the application is as follows:

during the test camshaft hardness, place the camshaft level in supporting part 12 top for the axial region of camshaft and the laminating of standing groove 13 inner wall that forms between first backup pad 121 and the second backup pad 122, the camshaft is when placing, and spring 112 all has certain elasticity to supporting part 12 and accessory plate 111 both sides, makes the camshaft more stable when placing the detection, and the support of spring 112 elasticity makes the camshaft.

During the test, rotate

adjustment runner

4, 3 altitude variations of elevating platform adjust to camshaft and 16 offsets with the pressure head, begin the test to camshaft hardness, after the detection, reverse rotation adjustment runner 4 again for adjust 3 heights of elevating platform, be convenient for take off the camshaft that the test is good.

When the supporting part 12 and the fixing part 11 need to be overhauled and maintained, the fastening bolt 10 is disassembled, the supporting part 12 is rotated, the connecting rod 7 is separated from the lifting platform 3, the disassembling of the supporting part 12 and the fixing part 11 is completed, and the supporting part 12 and the fixing part 11 are conveniently and independently maintained and replaced; after the maintenance is finished, the connecting rod 7 is inserted into the inner wall of the connecting hole 5 and is in threaded connection, the supporting part 12 is installed, and the fastening bolt 10 is in threaded connection with the connecting rod 7 to fix the supporting part 12 and the fixing part 11.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a rockwell sclerometer for detecting camshaft, includes engine body shell (1), engine body shell (1) is provided with elevating platform (3) with the workstation junction, elevating platform (3) top is located engine body shell (1) and is provided with pressure head (16) of test hardness, engine body shell (1) is located pressure head (16) top and is provided with reading dish (17), elevating platform (3) top is provided with supporting part (12) of placing the camshaft, its characterized in that: the supporting part (12) comprises a supporting part (12) arranged on the surface of the lifting platform (3), the supporting part (12) comprises a first supporting plate (121) and a second supporting plate (122) symmetrically arranged with the first supporting plate (121), and the first supporting plate (121) and the second supporting plate (122) are symmetrically inclined to form a placing groove (13).

2. A rockwell hardness tester for testing a camshaft according to claim 1, wherein: the first supporting plate (121) is connected with the second supporting plate (122) through a rotating shaft, and a fixing part (11) used for fixing the first supporting plate (121) and the second supporting plate (122) is arranged below the first supporting plate (121) and the second supporting plate (122).

3. A rockwell hardness tester for testing a camshaft according to claim 2, wherein: the fixing part (11) comprises an auxiliary plate (111) arranged between the lifting platform (3) and the supporting part (12) and a plurality of springs (112) arranged between the auxiliary plate (111) and the supporting part (12).

4. A rockwell hardness tester for testing a camshaft according to claim 3, wherein: one surface of the auxiliary plate (111) close to the support plate is provided with a stabilizer bar (113) inserted in the spring (112).

5. A rockwell hardness tester for testing a camshaft according to claim 3, wherein: a connecting hole (5) is formed in one end, close to the pressure head (16), of the lifting platform (3), a fastening internal thread (6) is arranged on the inner wall of the connecting hole (5), a connecting rod (7) inserted into the connecting hole (5) is arranged on the side, away from the supporting portion (12), of the auxiliary plate (111), and a fastening external thread (8) matched with the fastening internal thread (6) is formed in the outer surface of the connecting rod (7).

6. A Rockwell hardness tester for testing a camshaft according to claim 5, wherein: the side wall of the lifting platform (3) is provided with a fixing hole (9) communicated with the connecting hole (5), and the inner wall of the fixing hole (9) is in threaded connection with a fastening bolt (10) which is abutted against the connecting rod (7).

7. A rockwell hardness tester for testing a camshaft according to claim 1, wherein: and a buffer rubber pad (14) is arranged on one surface of the supporting part (12) which is attached to the camshaft.

8. The Rockwell hardness tester for testing a camshaft of claim 7, wherein: damping patterns (15) are formed on the surface of the cushion rubber pad (14).