CN215893448U - Engine connecting rod reducer head fall gauge - Google Patents
Engine connecting rod reducer head fall gauge Download PDFInfo
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- CN215893448U CN215893448U CN202121828339.2U CN202121828339U CN215893448U CN 215893448 U CN215893448 U CN 215893448U CN 202121828339 U CN202121828339 U CN 202121828339U CN 215893448 U CN215893448 U CN 215893448U
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- connecting rod
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- seat
- engine connecting
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Abstract
The utility model discloses a fall gauge for a large head and a small head of an engine connecting rod, which comprises a positioning device and a detection device, wherein the positioning device is used for positioning the large head and the small head of the engine connecting rod; the positioning device comprises a detection table, a large-head end placing seat, a small-head end baffle seat, a V-shaped clamping plate and a first elastic piece, wherein the large-head end placing seat is fixedly arranged at the top of the detection table; the small end baffle seat and the large end placing seat are arranged oppositely, fixed at the top of the detection platform and used for abutting against the small end of the engine connecting rod; the V-shaped clamping plate is arranged on the big-end fixing seat in a sliding manner; the first elastic piece is fixedly connected between the large-head-end placing seat and the V-shaped clamping plate; the engine connecting rod stretches across between the large-head end placing seat and the small-head end retaining seat. The V-shaped clamping plate is matched with the small-end baffle seat, so that engine connecting rods of different model sizes can be placed, and under the elastic action of the first elastic piece, the engine connecting rods are clamped between the small-end baffle seat and the V-shaped clamping plate, so that the engine connecting rods of different model sizes can be positioned, and the fall of the large head and the small head is detected through the detection device.
Description
Technical Field
The utility model relates to the technical field of engine accessory checking tools, in particular to a checking tool for the fall of a large head and a small head of an engine connecting rod.
Background
The connecting rod is a connecting piece, is generally used for connecting a piston and a crankshaft, and transmits acting force applied to the piston to the crankshaft so as to convert reciprocating motion of the piston into rotating motion of the crankshaft. The fall of the big end and the small end of the connecting rod is one of important technical indexes, and the fall of the two end faces of the big end and the small end of the connecting rod is mainly measured. The index cannot be directly measured by a general detection tool, and a common detection method comprises the following steps: three-coordinate detection method, height gauge and dial indicator detection method.
The patent (application number 201320420340.0) discloses a gauge for measuring the fall of a big head and a small head of a connecting rod, which comprises a positioning device, a clamping device and a detection device, wherein the positioning device, the clamping device and the detection device are arranged on a gauge seat; the positioning device comprises a large-head mandrel and a positioning stop lever, wherein the large-head mandrel is used for limiting the end surface position of the large head end of the connecting rod, and the positioning stop lever is used for limiting the connecting rod to rotate around the large-head mandrel; the clamping device is arranged at the big end of the connecting rod and is used for clamping the big end of the connecting rod on the big end mandrel; the detection device is arranged at the small end of the connecting rod and used for detecting the fall data of the small end face and the large end face of the connecting rod. Although the detection tool can realize measurement of the fall of the big head and the small head of the connecting rod, when the model or the size of the engine connecting rod changes, the detection tool cannot be positioned, different detection tools need to be replaced and used, the use is inconvenient, and the detection cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the technical defects, provides a connecting rod big-small head fall gauge for an engine, and solves the technical problem that the connecting rod big-small head fall gauge in the prior art cannot position connecting rods of different types or sizes.
In order to achieve the technical purpose, the technical scheme of the utility model provides a large-small head fall gauge for an engine connecting rod, which comprises a positioning device and a detection device, wherein after the positioning device fixes the engine connecting rod, the detection device measures the large-small head fall of the engine connecting rod; the positioning device includes:
a detection table;
the large-head end placing seat is fixedly arranged at the top of the detection platform and used for placing the large-head end of the engine connecting rod;
the small-end baffle seat is opposite to the large-end placing seat, is fixed at the top of the detection platform and is used for abutting against the small end of the engine connecting rod;
the V-shaped clamping plate is arranged on the large-head-end fixing seat in a sliding manner;
the first elastic piece is fixedly connected between the large-head-end placing seat and the V-shaped clamping plate;
the engine connecting rod stretches across between the large-head-end placing seat and the small-head-end retaining seat, and is clamped between the small-head-end retaining seat and the V-shaped clamping plate under the elastic action of the first elastic piece.
Further, the positioning device further comprises:
the pressing plate seat is fixedly arranged on the detection table and is positioned on one side or one end of the large-head-end placing seat, and a threaded hole is formed in the pressing plate seat in the vertical direction;
the locking bolt is arranged in the threaded hole through threads;
the second elastic piece is movably arranged on the pressing plate seat;
the pressing plate is movably arranged at the top of the second elastic piece, and a through hole is formed in the pressing plate;
the bottom end of the locking bolt sequentially penetrates through the pressing plate and the second elastic piece and is connected with the threaded hole in the pressing plate seat.
Furthermore, a protective pad is fixedly arranged at the bottom of the pressing plate.
Further, the material of the protective pad comprises copper or rubber.
Furthermore, the top of the large-head-end placing seat is transversely provided with a sliding groove, a sliding block is arranged in the sliding groove in a sliding manner, the sliding block is arranged in the sliding groove in a sliding manner, and the sliding block is fixedly connected with the V-shaped clamping plate.
Furthermore, all open the spacing groove on the both sides inner wall of spout, the both sides of slider are all fixed and are equipped with the stopper.
Furthermore, the small end blocking seat is provided with a special-shaped blocking groove.
Furthermore, two side walls of one end of the special-shaped baffle groove, which is opposite to the large-head-end placing seat, form a V-shaped structure.
Further, the tip keeps off and goes up along transversely having seted up the mounting groove on the seat, detection device includes:
one end of the transmission rod is movably arranged in the mounting groove;
the third elastic piece is movably arranged in the mounting groove and is fixedly connected with the transmission rod;
one end of the connecting rod is movably arranged in the mounting groove and is fixedly connected with the third elastic piece;
one end of the connecting rod penetrates through the mounting groove and then is fixedly connected with the lever measuring mechanism;
and the far end of the transmission rod penetrates through the mounting groove and then is fixedly connected with the dial indicator.
Furthermore, a plurality of mounting holes are formed in the detection table, and the small end blocking seat is detachably mounted in the mounting holes through positioning bolts.
Compared with the prior art, the utility model has the beneficial effects that:
in the engine connecting rod big-small head fall detection tool, the V-shaped clamp plate is matched with the small-head end baffle seat, the engine connecting rods with different model sizes can be placed, and under the elastic action of the first elastic piece, the engine connecting rods are clamped between the small-head end baffle seat and the V-shaped clamp plate, so that the engine connecting rods with different model sizes can be positioned, and the big-small head fall is detected through the detection device.
Drawings
FIG. 1 is a top view of a drop height gauge for a big head and a small head of an engine connecting rod, provided by the utility model;
FIG. 2 is a front view of a drop height gauge for a big head and a small head of an engine connecting rod provided by the utility model;
fig. 3 is a schematic view of the installation structure of the slider in the chute in this embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The utility model provides a fall gauge for the big head and the small head of an engine connecting rod, which is structurally shown in figure 1 and comprises a positioning device 1 and a detection device 2, wherein after the positioning device 1 fixes the engine connecting rod 10, the detection device 2 measures the fall of the big head and the small head of the engine connecting rod 10; the positioning device 1 comprises a detection table 11, a large-head end placing seat 12, a small-head end blocking seat 13, a V-shaped clamping plate 14 and a first elastic piece 15, wherein the large-head end placing seat 12 is fixedly arranged at the top of the detection table 11 and used for placing a large head end of the engine connecting rod 10; the small end baffle seat 13 is arranged opposite to the large end placing seat 12, is fixed at the top of the detection platform 11 and is used for abutting against the small end of the engine connecting rod 10; the V-shaped clamping plate 14 is arranged on the big-end fixing seat 12 in a sliding manner; the first elastic piece 15 is fixedly connected between the large head end placing seat 12 and the V-shaped clamping plate 14; the engine connecting rod 10 spans between the large head end placing seat 12 and the small head end blocking seat 13, and is clamped between the small head end blocking seat 13 and the V-shaped clamping plate 14 under the elastic action of the first elastic piece 15. As a specific example, the first elastic member 15 is a spring.
The engine connecting rod big-small head fall detection tool is characterized in that the V-shaped clamp plate 14 is matched with the small-head end baffle seat 13 to limit the engine connecting rod 10, and under the elastic action of the first elastic piece 15, the engine connecting rod 10 is clamped between the small-head end baffle seat 13 and the V-shaped clamp plate 14, so that the engine connecting rods 10 of different models and sizes can be positioned, and the big-small head fall is detected through the detection device 2.
As a preferred embodiment, referring to fig. 1 and fig. 2, the positioning device 1 further includes a pressing plate seat 16, a locking bolt 17, a second elastic member 18 and a pressing plate 19, the pressing plate seat 16 is fixedly disposed on the detection table 11 and is located at one side or one end of the large-end placing seat 12, and a threaded hole is formed in the pressing plate seat 16 along a vertical direction; the locking bolt 17 is installed in the threaded hole through threads; the second elastic element 18 is movably arranged on the pressing plate seat 16; the pressing plate 19 is movably arranged at the top of the second elastic part 18, and a through hole is formed in the pressing plate 19; the bottom end of the locking bolt 17 sequentially penetrates through the pressing plate 19 and the second elastic piece 18 and is connected with the threaded hole on the pressing plate seat 16. The locking bolt 17 is tightened, and the pressure plate 19 can tightly press and fix the engine connecting rod 10. In a specific embodiment, the second elastic member 18 is a spring.
In a preferred embodiment, a protection pad (not shown) is fixedly disposed at the bottom of the pressure plate 19 to prevent the pressure plate 19 from directly contacting the engine connecting rod 10 to crush the engine connecting rod 10. As a specific example, the material of the protective pad may be copper or rubber.
In a preferred embodiment, a sliding groove 120 is transversely formed in the top of the large-head-end placing seat 12, a sliding block 121 is slidably mounted in the sliding groove 120, the sliding block 121 is slidably mounted in the sliding groove 120, and the sliding block 121 is fixedly connected with the V-shaped clamping plate 14.
As a preferred embodiment, referring to fig. 3, the inner walls of the two sides of the sliding groove 120 are both provided with a limiting groove 123, and both sides of the sliding block 121 are both fixedly provided with a limiting block 124. When the sliding block 121 slides in the sliding groove 120, the limiting block 124 and the limiting groove 123 are matched with each other, and can guide and limit the sliding block 121.
As a specific embodiment, please refer to fig. 1, the small end stop seat 13 is provided with a special-shaped stop slot 130 for abutting against the small end of the engine connecting rod 10. In a preferred embodiment, two side walls of an end of the special-shaped retaining groove 130 opposite to the large-head-end placing seat 12 form a V-shaped structure, and the V-shaped structure can be applied to the engine connecting rods 10 with different model sizes for limiting the small head ends thereof.
As a preferred embodiment, please refer to fig. 2 again, an installation groove 131 is transversely formed on the small-end stopper seat 13, the detection device 2 includes a transmission rod 21, a third elastic member 22, a connection rod 23, a lever measuring mechanism 24 and a dial indicator 25, and one end of the transmission rod 21 is movably disposed in the installation groove 131; the third elastic element 22 is movably arranged in the mounting groove 131 and is fixedly connected with the transmission rod 21; one end of the connecting rod 23 is movably arranged in the mounting groove 131 and is fixedly connected with the third elastic element 22; one end of the connecting rod 23 penetrates through the mounting groove 131 and then is fixedly connected with the lever measuring mechanism 24; the far end of the transmission rod 21 penetrates through the installation groove 131 and then is fixedly connected with the dial indicator 25. As a specific example, the third elastic member 22 is a spring.
As a preferred embodiment, a plurality of mounting holes (not shown in the figure) are formed in the detection table 11, and the small-end baffle seat 13 is detachably mounted in the mounting holes through positioning bolts, so that the distance between the small-end baffle seat 13 and the large-end placing seat 12 can be adjusted conveniently, and the detection table can be suitable for engine connecting rods 10 of different models and sizes.
The working principle is as follows:
before detection, firstly, a big end and a small end of a standard engine connecting rod 10 are respectively clamped between the V-shaped clamp plate 14 and the V-shaped special-shaped baffle groove 130, the bottom of the big end of the engine connecting rod 10 is placed in close contact with the placing seat 12 of the big end, then the engine connecting rod 10 is pressed tightly by the pressing plate 19 to realize fixed positioning of the engine connecting rod 10, at the moment, the small end of the engine connecting rod 10 is located above the lever measuring mechanism 24, the lever measuring mechanism 24 is in contact with the bottom of the small end of the engine connecting rod 10 and deforms under the extrusion of the engine connecting rod 10, the lever measuring mechanism 24 converts the position change in the vertical direction into the position change in the horizontal direction and transmits the position change to the connecting rod 23, and the connecting rod 23 is transmitted to the transmission rod 21 through the third elastic piece 22, the transmission rod 21 drives the pointer of the dial indicator 25 to rotate, a reading appears on the dial plate, the dial indicator 25 is zeroed at the moment, and the pre-adjustment of the detection device 2 is completed; and then the standard engine connecting rod 10 is taken down and the engine connecting rod 10 to be detected is installed, because the fall of the large head and the small head of the engine connecting rod 10 to be detected is different from that of the standard engine connecting rod 10, a new reading is generated on the dial indicator 25, the reading is the deviation of the engine connecting rod 10 to be detected, and whether the fall of the large head and the small head of the engine connecting rod 10 to be detected meets the requirement can be judged according to the value.
In the drop height gauge for the large head and the small head of the engine connecting rod provided by the embodiment of the utility model, the V-shaped clamp plate 14 is matched with the small head end baffle seat 13, the engine connecting rods 10 with different types and sizes can be placed, and under the elastic action of the first elastic piece 15, the engine connecting rods 10 are clamped between the small head end baffle seat 13 and the V-shaped clamp plate 14, so that the engine connecting rods 10 with different types and sizes can be positioned, and the drop height of the large head and the small head is detected through the detection device 2.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The fall gauge for the large head and the small head of the engine connecting rod is characterized by comprising a positioning device and a detection device, wherein the detection device measures the fall of the large head and the small head of the engine connecting rod after the positioning device fixes the engine connecting rod; the positioning device includes:
a detection table;
the large-head end placing seat is fixedly arranged at the top of the detection platform and used for placing the large-head end of the engine connecting rod;
the small-end baffle seat is opposite to the large-end placing seat, is fixed at the top of the detection platform and is used for abutting against the small end of the engine connecting rod;
the V-shaped clamping plate is arranged on the large-head-end fixing seat in a sliding manner;
the first elastic piece is fixedly connected between the large-head-end placing seat and the V-shaped clamping plate;
the engine connecting rod stretches across between the large-head-end placing seat and the small-head-end retaining seat, and is clamped between the small-head-end retaining seat and the V-shaped clamping plate under the elastic action of the first elastic piece.
2. The drop gauge for the large head and the small head of the engine connecting rod as claimed in claim 1, wherein the positioning device further comprises:
the pressing plate seat is fixedly arranged on the detection table and is positioned on one side or one end of the large-head-end placing seat, and a threaded hole is formed in the pressing plate seat in the vertical direction;
the locking bolt is arranged in the threaded hole through threads;
the second elastic piece is movably arranged on the pressing plate seat;
the pressing plate is movably arranged at the top of the second elastic piece, and a through hole is formed in the pressing plate;
the bottom end of the locking bolt sequentially penetrates through the pressing plate and the second elastic piece and is connected with the threaded hole in the pressing plate seat.
3. The drop height gauge for the large head and the small head of the engine connecting rod as claimed in claim 2, wherein a protective pad is fixedly arranged at the bottom of the pressure plate.
4. The tool for testing the fall of the big head and the small head of the engine connecting rod as claimed in claim 3, wherein the material of the protective pad comprises copper or rubber.
5. The tool for detecting the fall of the big head and the small head of the engine connecting rod as claimed in claim 1, wherein a sliding groove is transversely formed in the top of the big head end placing seat, a sliding block is slidably mounted in the sliding groove, and the sliding block is fixedly connected with the V-shaped clamping plate.
6. The tool for testing the fall of the big head and the small head of the engine connecting rod as claimed in claim 5, wherein the inner walls of the two sides of the sliding groove are respectively provided with a limiting groove, and the two sides of the sliding block are respectively and fixedly provided with a limiting block.
7. The tool for testing the fall of the big head and the small head of the engine connecting rod as claimed in claim 1, wherein the small head end retaining seat is provided with a special-shaped retaining groove.
8. The tool for testing the fall of the big end and the small end of the engine connecting rod as claimed in claim 7, wherein two side walls of the end of the special-shaped retaining groove opposite to the big end placing seat form a V-shaped structure.
9. The drop detection tool for the large head and the small head of the engine connecting rod as claimed in claim 1, wherein an installation groove is transversely formed in the small head end baffle seat, and the detection device comprises:
one end of the transmission rod is movably arranged in the mounting groove;
the third elastic piece is movably arranged in the mounting groove and is fixedly connected with the transmission rod;
one end of the connecting rod is movably arranged in the mounting groove and is fixedly connected with the third elastic piece;
one end of the connecting rod penetrates through the mounting groove and then is fixedly connected with the lever measuring mechanism;
and the far end of the transmission rod penetrates through the mounting groove and then is fixedly connected with the dial indicator.
10. The tool according to claim 1, wherein the test table defines a plurality of mounting holes, and the small end stop is detachably mounted in the mounting holes by means of positioning bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121828339.2U CN215893448U (en) | 2021-08-05 | 2021-08-05 | Engine connecting rod reducer head fall gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121828339.2U CN215893448U (en) | 2021-08-05 | 2021-08-05 | Engine connecting rod reducer head fall gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215893448U true CN215893448U (en) | 2022-02-22 |
Family
ID=80502135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121828339.2U Active CN215893448U (en) | 2021-08-05 | 2021-08-05 | Engine connecting rod reducer head fall gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215893448U (en) |
-
2021
- 2021-08-05 CN CN202121828339.2U patent/CN215893448U/en active Active
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