CN211453213U

CN211453213U - Shaft hardness detection instrument

Info

Publication number: CN211453213U
Application number: CN201922434544.XU
Authority: CN
Inventors: 王海涛; 霍旺; 谢冬伟
Original assignee: Kunshan Fangyuan Measurement Technology Co ltd
Current assignee: Kunshan Fangyuan Measurement Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-08
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses an axle type hardness detection instrument, including examining test table, support frame and flexible cylinder casing, the top fixed mounting who examines test table has two sets of fixed blocks, and fixedly connected with bracing piece between every group fixed block, supporting the installing first removal frame and the second removes the frame on the bracing piece, the first one end fixedly connected with first locating rod of removing the frame, be provided with two mobilizable first movable blocks on the first locating rod, a plurality of equidistant locating holes, two are seted up to one side of first locating rod one side of first movable block still sets up a locating hole. The utility model discloses be provided with connecting jack on the mount pad, connecting jack can with the hardness detecting head between the cooperation installation to fixed disk on the hardness detecting head passes through the screw and is connected with the mount pad, and is more convenient to hardness detecting probe's installation, the later stage of also being convenient for is changed and is maintained.

Description

Shaft hardness detection instrument

Technical Field

The utility model relates to an axle type detection area, in particular to axle type hardness detecting instrument.

Background

The camshaft is also one of the shafts, and the camshaft is a component in a piston engine. Its function is to control the opening and closing action of the valve. Although the rotational speed of the camshaft is half of that of the crankshaft in the four-stroke engine (the rotational speed of the camshaft is the same as that of the crankshaft in the two-stroke engine), the rotational speed is still high and the camshaft needs to bear large torque, so that the camshaft is high in strength and support in design, and the camshaft is generally made of high-quality alloy steel or alloy steel;

after processing, the camshaft needs to detect the hardness of camshaft, just needs to use hardness detecting instrument, then, current hardness detecting instrument function is comparatively single, can not detect the hardness of the camshaft of multiple model, and moreover, hardness detecting head will reduce at the in-process sensitivity of long-term use, need change it, when changing, dismantles the mount pad, then changes, and it is not convenient enough to operate.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an axle type hardness detecting instrument, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a shaft hardness detection instrument comprises a detection table, a support frame and a telescopic cylinder shell, wherein two groups of fixed blocks are fixedly mounted at the top of the detection table, a support rod is fixedly connected between each group of fixed blocks, a first movable frame and a second movable frame are mounted on the support rod in a matched manner, a first positioning rod is fixedly connected to one end of the first movable frame, two movable first movable blocks are arranged on the first positioning rod, a plurality of equidistant positioning holes are formed in one side of the first positioning rod, a positioning hole is formed in one side of each of the two first movable blocks, a second positioning rod is fixedly connected to one end of the second movable frame, two movable second movable blocks are arranged on the second positioning rod, a first spring part is fixedly mounted at the top of each first movable block, and the top end of each first spring part is connected with the bottom of each first clamping head, the top of the second moving block is fixedly provided with a second spring part, the top end of the second spring part is connected with the bottom end of the second clamping head, and the size of the first clamping head is smaller than that of the second clamping head.

Furthermore, the bottom end of the support frame is welded to the top of the detection table, the support frame is further welded with a fixing rod, and one end of the fixing rod is fixedly installed with the fixing plate.

Furthermore, a telescopic cylinder shell is fixedly mounted on the fixed plate, a telescopic cylinder is fixedly mounted in the telescopic cylinder shell, and the output end of the telescopic cylinder is fixedly mounted on the top of the mounting seat through a cylinder rod.

Further, the top portion of mount pad is provided with two connectors, the bottom portion of mount pad still is provided with jack, jack is pegged graft mutually with the one end of hardness detecting head.

Furthermore, a fixed disc is further arranged on the hardness probe, and screw holes formed in the fixed disc are installed between the screws and the installation seat.

Furthermore, a plurality of fixed orificess have been seted up on the bracing piece, a fixed orifices has all been seted up to one side of first removal frame and second removal frame.

Furthermore, the first spring part and the second spring part are both formed by combining a buffer spring and a telescopic rod.

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

1. the utility model discloses be provided with first removal frame and second removal frame on the bracing piece, first removal frame and second removal frame can move on the bracing piece, be connected with first locating lever and second locating lever respectively on first removal frame and the second removal frame, but the first movable block of movable installation on first location, but movable installation second movable block on the second locating lever, first movable block and second movable block all can move, can satisfy and support the effect to the camshaft of different length, then carry out hardness testing work, the size of the second dop model on the second movable block is greater than the first dop on the first movable block, thereby can detect the camshaft of different thicknesses, it is more convenient to operate;

2. the utility model discloses be provided with connecting jack on the mount pad, connecting jack can with the hardness detecting head between the cooperation installation to fixed disk on the hardness detecting head passes through the screw and is connected with the mount pad, and is more convenient to hardness detecting probe's installation, the later stage of also being convenient for is changed and is maintained.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the installation structure between the installation base and the hardness detector head of the present invention.

Fig. 3 is a schematic view of the internal structure of the spring member of the present invention.

In the figure: 1. a detection table; 2. a support frame; 3. fixing the rod; 4. a fixing plate; 5. a telescopic cylinder housing; 6. a mounting seat; 7. a connector; 701. connecting the jacks; 8. a hardness probe; 801. fixing the disc; 9. a fixed block; 10. a support bar; 1001. a fixing hole; 11. a first moving frame; 12. a first positioning rod; 13. a first moving block; 1301. positioning holes; 14. a first spring member; 15. a first chuck; 16. a second moving frame; 17. a second positioning rod; 18. a second moving block; 19. a second spring member; 20. a second chuck.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, an axle hardness testing instrument comprises a testing table 1, a supporting frame 2 and a telescopic cylinder housing 5, wherein two groups of fixed blocks 9 are fixedly mounted at the top of the testing table 1, a supporting rod 10 is fixedly connected between each group of fixed blocks 9, a first moving frame 11 and a second moving frame 16 are mounted on the supporting rod 10 in a matching manner, a first positioning rod 12 is fixedly connected to one end of the first moving frame 11, two movable first moving blocks 13 are arranged on the first positioning rod 12, a plurality of equidistant positioning holes 1301 are formed in one side of the first positioning rod 12, a positioning hole 1301 is formed in one side of each of the two first moving blocks 13, a second positioning rod 17 is fixedly connected to one end of the second moving frame 16, two movable second moving blocks 18 are arranged on the second positioning rod 17, a first spring part 14 is fixedly mounted at the top of each of the first moving blocks 13, the top end of the first spring part 14 is connected with the bottom of the first clamping head 15, the top of the second moving block 18 is fixedly provided with a second spring part 19, the top end of the second spring part 19 is connected with the bottom end of the second clamping head 20, and the size of the first clamping head 15 is smaller than that of the second clamping head 20.

Specifically, as shown in fig. 1, the bottom end of the support frame 2 is welded at the top of the detection table 1, the support frame 2 is further welded with a fixing rod 3, and one end of the fixing rod 3 is fixedly mounted with the fixing plate 4.

By adopting the above scheme, the fixed plate 4 is used for fixedly mounting the telescopic cylinder shell 5.

Specifically, as shown in fig. 1, a telescopic cylinder housing 5 is fixedly mounted on the fixing plate 4, a telescopic cylinder is fixedly mounted in the telescopic cylinder housing 5, and an output end of the telescopic cylinder is fixedly mounted on the top of the mounting seat 6 through a cylinder rod.

By adopting the above scheme, fixed mounting has flexible cylinder housing 5 on the fixed plate 4, and the telescopic cylinder in flexible cylinder housing 5 can drive mount pad 6 and reciprocate.

Specifically, as shown in fig. 2, two connectors 7 are disposed at the top end of the mounting base 6, a connection jack 701 is further disposed at the bottom end of the mounting base 6, and the connection jack 701 is inserted into one end of the hardness probe 8.

Through adopting above-mentioned scheme, the top portion of mount pad 6 is provided with two connectors 7, and the bottom portion of mount pad 6 still is provided with jack 701, and jack 701 pegs graft mutually with the one end of hardness detecting head 8, and the installation between jack 701 and the hardness detecting head 8 is more convenient, the change and the maintenance in the later stage of being convenient for.

Specifically, as shown in fig. 2, the hardness probe 8 is further provided with a fixing plate 801, and a screw hole formed in the fixing plate 801 is mounted between the mounting base 6 and the screw.

Specifically, as shown in fig. 1, the support rod 10 is provided with a plurality of fixing holes 1001, and one side of each of the first moving frame 11 and the second moving frame 16 is provided with one fixing hole 1001.

By adopting the above scheme, a plurality of fixing holes 1001 are provided on the support bar 10, and one fixing hole 1001 is provided on each of the first movable frame 11 and the second movable frame 16, so that the first movable frame 11 and the second movable frame 16 move on the support bar 10.

Specifically, as shown in fig. 3, the first spring member 14 and the second spring member 19 are both formed by a combination of a buffer spring and a telescopic rod.

Through adopting above-mentioned scheme, first spring part 14 and second spring part 19 constitute by buffer spring and telescopic link combination for hardness detecting head 8 contacts with the camshaft, and the spring part has the cushioning effect of removal, reduces the effort that hardness detecting head 8 is used in the camshaft, carries out fine guard action to hardness detecting head 8.

It should be noted that, the present invention is an axle hardness detecting instrument, when detecting the hardness of the processed camshaft, firstly adjusting the positions of the first moving block 13 and the second moving block 18 according to the length of the camshaft, then placing the camshaft on the first chuck 15, the telescopic cylinder in the telescopic cylinder housing 5 driving the mounting seat 6 to move downwards, so that the hardness detecting head 8 is placed on the camshaft, and then detecting the hardness of the camshaft, when detecting the camshaft with larger diameter, the first moving frame 11 is moved out, then the second moving frame 16 is moved, so that the second chuck 20 is under the hardness detecting head 8, and then detecting the camshafts with different thicknesses, the operation is more convenient, when changing the hardness detecting head 8, the screws on the fixed disk 801 are taken down, so that the hardness probe 8 can be removed from the connection socket 701 and replaced.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an axle type hardness detecting instrument, is including examining test table (1), support frame (2) and flexible cylinder casing (5), its characterized in that: the top of the detection table (1) is fixedly provided with two groups of fixed blocks (9), a supporting rod (10) is fixedly connected between each group of fixed blocks (9), a first movable frame (11) and a second movable frame (16) are arranged on the supporting rod (10) in a matching manner, one end of the first movable frame (11) is fixedly connected with a first positioning rod (12), two movable first movable blocks (13) are arranged on the first positioning rod (12), one side of the first positioning rod (12) is provided with a plurality of equidistant positioning holes (1301), one side of each first movable block (13) is also provided with a positioning hole (1301), one end of the second movable frame (16) is fixedly connected with a second positioning rod (17), the second positioning rod (17) is provided with two movable second movable blocks (18), and the top of each first movable block (13) is fixedly provided with a first spring piece (14), the top end of the first spring part (14) is connected with the bottom end of the first clamping head (15), the top of the second moving block (18) is fixedly provided with a second spring part (19), the top end of the second spring part (19) is connected with the bottom end of the second clamping head (20), and the size of the first clamping head (15) is smaller than that of the second clamping head (20).

2. The shaft hardness detecting instrument according to claim 1, wherein: the bottom welding of support frame (2) is at the top of examining test table (1), it has dead lever (3) still to weld on support frame (2), fixed mounting between the one end of dead lever (3) and fixed plate (4).

3. The shaft hardness detecting instrument according to claim 2, wherein: a telescopic cylinder shell (5) is fixedly mounted on the fixed plate (4), a telescopic cylinder is fixedly mounted in the telescopic cylinder shell (5), and the output end of the telescopic cylinder is fixedly mounted on the top of the mounting seat (6) through a cylinder rod.

4. The shaft hardness detecting instrument according to claim 3, wherein: the top portion of mount pad (6) is provided with two connectors (7), the bottom portion of mount pad (6) still is provided with connection jack (701), connection jack (701) are pegged graft mutually with the one end of hardness detecting head (8).

5. The shaft hardness detecting instrument according to claim 4, wherein: the hardness detecting head (8) is further provided with a fixed disc (801), and screw holes formed in the fixed disc (801) are mounted between the mounting base (6) through screws.

6. The shaft hardness detecting instrument according to claim 1, wherein: the supporting rod (10) is provided with a plurality of fixing holes (1001), and one side of each of the first moving frame (11) and the second moving frame (16) is provided with one fixing hole (1001).

7. The shaft hardness detecting instrument according to claim 1, wherein: the first spring part (14) and the second spring part (19) are formed by combining a buffer spring and a telescopic rod.