CN219223539U

CN219223539U - Connecting rod small end position degree gauge convenient to use

Info

Publication number: CN219223539U
Application number: CN202223612846.XU
Authority: CN
Inventors: 邓钧; 杨龙庆; 俞华锋; 张冬燈; 马玉松; 刘岚泽; 冯泽跃; 王强; 卢伟明; 蒋丹丹
Original assignee: Hangzhou Jiulong Machinery Manufacturing Co ltd
Current assignee: Hangzhou Jiulong Machinery Manufacturing Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-20
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to a connecting rod small head position degree gauge convenient to use, which comprises a bottom plate and a core rod for checking the position degree of a connecting rod small head hole, wherein a sliding block, a small head supporting block and a small head positioning seat are sequentially arranged on the upper side wall of the bottom plate from left to right; the inner diameter of the positioning hole is smaller than that of the connecting rod small-end hole, and the positioning hole and the connecting rod small-end hole are coaxial, the core rod comprises a positioning column matched with the positioning hole and an inspection column matched with the connecting rod small-end hole, and the inspection column is arranged on the upper side wall of the positioning column; the checking fixture has the advantages of simple checking process, simple structure and small volume of the whole device, can be directly used in a construction site, does not need to carry the connecting rod back and forth, and saves labor and time.

Description

Connecting rod small end position degree gauge convenient to use

Technical Field

The utility model relates to the technical field of connecting rod detectors, in particular to a connecting rod small end position degree detector convenient to use.

Background

The connecting rod is an important component for transmitting force in a crank-connecting rod mechanism, and has the functions of converting the reciprocating linear motion of the piston into the rotary motion of the crankshaft, transmitting the force born by the piston to the crankshaft, and generally pressing a connecting rod bushing with antifriction effect into a connecting rod small end hole with a certain interference, so that the wear between a piston pin and the connecting rod small end is reduced, and the service life of the connecting rod is prolonged.

The connecting rod forming the engine part is required to measure the position degree of the small end of the connecting rod in the technical requirement of a finished product diagram, but the detection of the position degree of the small end of the connecting rod is usually finished by means of professional instruments such as a three-coordinate measuring instrument, and the three-coordinate measuring instrument is generally arranged at a place far away from the machining position of the connecting rod.

Disclosure of Invention

The utility model aims to overcome the defect that the transportation waste of manpower and time is required when a three-coordinate measuring instrument is used for measuring the position degree of the small end of the connecting rod in the prior art, and further provides a convenient-to-use position degree gauge for the small end of the connecting rod.

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

the utility model provides a connecting rod small end position degree gauge convenient to use, includes bottom plate and is used for checking the plug of connecting rod small end hole position degree, and above-mentioned bottom plate upper sidewall is from left to right equipped with sliding block, small end supporting shoe and small end positioning seat in proper order, and above-mentioned sliding block upper sidewall is equipped with big end fixed pile, is provided with small end setting piece on the above-mentioned small end positioning seat, and above-mentioned bottom plate still is provided with the pushing subassembly that promotes above-mentioned sliding block to slide rightwards;

the side wall on the bottom plate is provided with a positioning hole, the inner diameter of the positioning hole is smaller than that of the small end hole of the connecting rod, the core rod comprises a positioning column matched with the positioning hole and an inspection column matched with the small end hole of the connecting rod, and the inspection column is arranged on the side wall on the positioning column.

Preferably, the bottom plate upper side wall is further provided with a fixing block, the fixing block is located between the sliding block and the small-end supporting block, the sliding block right side wall is provided with a sliding hole, the fixing block left side wall is provided with a sliding rod, and the sliding rod is inserted into the sliding hole leftwards.

Preferably, the slide rod is provided with a spring, and the spring is located between the slide block and the fixed block.

Preferably, there are two small head positioning members, and the two small head positioning members are arranged on the small head positioning seat in front of and behind the small head positioning member and horizontally.

Preferably, the upper end surface of the bottom plate is provided with a lifting block, and the sliding block is positioned on the upper side wall of the lifting block.

Preferably, the upper end surface of the sliding block is provided with two big head supporting seats, the two big head supporting seats are arranged on the outer peripheral side of the big head fixing pile, and the height of the big head supporting seats is smaller than that of the big head fixing pile.

Preferably, the pushing assembly comprises an eccentric wheel and a handle arranged on the eccentric wheel, a fixed column is arranged on the bottom plate, the fixed column is arranged on the left side of the sliding block, the eccentric wheel is rotationally arranged on the fixed column, and the eccentric wheel is in butt joint with the outer side wall of the sliding block.

Preferably, the mandrel further comprises a hand-held column, the hand-held column is arranged on the upper side wall of the inspection column, and the outer diameter of the hand-held column is smaller than that of the inspection column.

Preferably, handles are arranged at two symmetrical end parts of the bottom plate.

Compared with the prior art, the utility model has the beneficial effects that:

the clamp composed of the bottom plate, the sliding block, the small-head supporting block, the small-head positioning seat, the large-head fixing pile and the pushing component is used for clamping the connecting rod, so that the small-head hole of the connecting rod is coaxial with the positioning hole, then, the position degree of the small-head hole of the connecting rod is checked through the matching of the core rod, whether the position degree of the small-head hole of the connecting rod meets the requirement or not is judged only by inserting the checking column of the core rod into the small-head hole of the connecting rod in the checking process, the checking process is simple, the whole device is simple in structure and small in volume, the whole device can be directly used in a construction site, the connecting rod is not required to be carried back and forth, and labor and time are saved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a structure of a test tool according to an embodiment of the utility model.

Reference numerals illustrate:

1. a bottom plate; 101. positioning holes; 2. a sliding block; 3. a small head supporting block; 4. a small head positioning seat; 5. a large head fixing pile; 6. a small head positioning piece; 7. a fixed block; 8. a slide bar; 9. a spring; 10. fixing the column; 11. a pushing assembly; 111. an eccentric wheel; 112. a handle; 12. a core rod; 121. positioning columns; 122. checking the column; 123. a hand-held column; 13. a lifting block; 14. a big head supporting seat; 15. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, the embodiment of the utility model provides a convenient-to-use connecting rod small-end position degree gauge, which comprises a bottom plate 1 with a supporting function and a core rod 12 for checking the position degree of a connecting rod small-end hole, wherein a sliding block 2, a small-end supporting block 3 and a small-end positioning seat 4 are sequentially arranged on the upper side wall of the bottom plate 1 from left to right, a large-end fixing pile 5 for inserting and fixing the connecting rod large-end hole is fixed on the upper side wall of the sliding block 2 through bolts, and the large-end fixing pile 5 is of a prismatic structure; the small head positioning seat 4 is connected to the bottom plate 1 through a bolt and a positioning pin, the small head positioning seat 4 is provided with small head positioning pieces 6, the small head positioning pieces 6 are screws, the tips of the screws penetrate through the small head positioning seat 4 leftwards in a threaded mode and are located on the left side of the upper portion of the small head positioning seat 4, positioning is achieved, the connecting rod is prevented from sliding rightwards in a transitional mode, the small head positioning pieces 6 are two, and the two small head positioning pieces 6 are connected to the small head positioning seat 4 in a front-back mode and horizontally in a threaded mode.

Specifically, the lateral wall still has fixed block 7 through the screw connection on bottom plate 1, fixed block 7 is located between sliding block 2 and the little head supporting shoe 3, sliding block 2 right side wall is provided with two slide holes, fixed block 7 left side wall is equipped with two slide bars 8, fixed block 7 left side wall is equipped with two mounting holes, slide bar 8 one end interference is installed in the mounting hole, the slide bar 8 other end inserts in the slide hole to the left, specifically, all the cover is equipped with spring 9 on arbitrary slide bar 8, spring 9 is located between sliding block 2 and the fixed block 7, under outside extrusion, spring 9 can be extrudeed, when need take down the connecting rod, cancel external force, because spring 9's effect can automatic the answer to initial position, it is more convenient to use.

Specifically, the bottom plate 1 is further provided with a pushing component 11 for pushing the sliding block 2 to slide rightwards, the pushing component 11 comprises an eccentric wheel 111 and a handle 112 arranged on the eccentric wheel 111, the bottom plate 1 is provided with a fixed column 10, the fixed column 10 is arranged on the left side of the sliding block 2, the eccentric wheel 111 is rotationally arranged on the fixed column 10, in an initial state, the eccentric wheel 111 is abutted with the outer side wall of the sliding block 2, and due to the action of a spring 9, the eccentric wheel 111 is abutted with the outer side wall of the sliding block 2 directly, and a rubber sleeve can be arranged on the handle, so that the use of a detector is facilitated; specifically, by rotating the handle, the eccentric wheel 111 rotates, so that the eccentric wheel 111 can push the sliding block 2 to slide rightwards, and the use is convenient.

Specifically, the upper side wall of the bottom plate 1 is provided with a positioning hole 101, the inner diameter of the positioning hole 101 is smaller than the inner diameter of the small end hole of the connecting rod, the positioning hole 101 and the connecting rod are coaxial after being installed, the core rod 12 comprises a positioning column 121 matched with the positioning hole 101 and an inspection column 122 matched with the small end hole of the connecting rod, the inspection column 122 is arranged on the upper side wall of the positioning column 121, the core rod 12 further comprises a hand-held column 123, the hand-held column 123 is arranged on the upper side wall of the inspection column 122, and the outer diameter of the hand-held column 123 is smaller than the outer diameter of the inspection column 122; after the connecting rod is clamped by the clamp composed of the bottom plate 1, the sliding block 2, the small-head supporting block 3, the small-head positioning seat 4, the large-head fixing pile 5 and the pushing assembly 11, a detector holds the hand-held column 123, inserts from top to bottom, enables the positioning column 121 to penetrate through the small-head hole of the connecting rod and insert into the positioning hole 101, enables the position of the core rod 12 to be positioned, then continues to insert downwards, and if the checking column 122 can be inserted into the small-head hole of the connecting rod, the position degree meets the requirement, and if the checking column 122 cannot be inserted into the small-head hole of the connecting rod, the position degree does not meet the requirement and needs to be reprocessed.

Further, the upper end face of the bottom plate 1 is fixedly provided with the heightening block 13 through bolts, and the sliding block 2 is positioned on the upper side wall of the heightening block 13, so that the height of the sliding block 2 can be reduced, and the sliding of the sliding block 2 is more convenient.

Further, the upper end face of the sliding block 2 is provided with two big head supporting seats 14, the two big head supporting seats 14 are arranged on the outer periphery side of the big head fixing pile 5, the height of the big head supporting seats 14 is smaller than that of the big head fixing pile 5, and compared with the fact that the sliding block 2 is directly used for supporting, the contact surface of the big head supporting seats 14 on the big head of the connecting rod is fewer, and therefore the clamping precision of the connecting rod is higher.

Further, the handles 15 are arranged at the symmetrical two ends of the bottom plate 1, the whole detection tool can be conveniently carried through the handles 15, and the side walls of the handles 15 can be sleeved with rubber sleeves, so that the use of carrying personnel is facilitated.

When the device is used, a connecting rod big end hole is sleeved on the periphery side of a big end fixing pile 5, then the lower end surface of the connecting rod big end is tightly attached to a big end supporting seat 14 and used for fixing the big end of the connecting rod, the small end of the connecting rod is placed on a small end supporting block 3, then a handle 112 is rotated positively, a sliding block 2 slides rightwards along a sliding rod 8 until the outer side wall of the small end of the connecting rod is abutted with two small end locating pieces 6 on the right side, the connecting rod clamping is completed, a locating hole 101 is coaxial with the small end hole of the connecting rod, then a core rod 12 is inserted, if an inspection column 122 can be inserted into the small end hole of the connecting rod, the position degree meets the requirement, if the inspection column 122 cannot be inserted into the small end hole of the connecting rod, the position degree does not meet the requirement, the processing is needed again, after the detection is completed, only the handle 112 is rotated reversely, the handle 112 and the sliding block 2 are restored to the original position under the action of a spring 9, and then the connecting rod is taken out, and the next detection can be carried out; the whole detection process is simple and convenient, after the connecting rod is fixed, only the core rod 12 is needed to be inserted, compared with a three-coordinate measuring instrument, the volume is smaller, and the detection tool consisting of the bottom plate 1, the sliding block 2, the small-head supporting block 3, the small-head positioning seat 4, the large-head fixing pile 5, the pushing component 11 and the core rod 12 can be directly placed beside the connecting rod processing device, can be used at any time and is convenient.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The connecting rod small head position degree gauge is characterized by comprising a bottom plate and a core rod for checking the position degree of the connecting rod small head, wherein a sliding block, a small head supporting block and a small head positioning seat are sequentially arranged on the upper side wall of the bottom plate from left to right;

the side wall is equipped with the locating hole on the bottom plate, the internal diameter of locating hole is less than the internal diameter of connecting rod small end hole, the plug include with locating hole complex reference column with connecting rod small end hole complex inspection post, the inspection post is located the side wall on the reference column.

2. The gauge according to claim 1, wherein the bottom plate upper side wall is further provided with a fixing block, the fixing block is located between the sliding block and the small-end supporting block, the sliding block right side wall is provided with a sliding hole, the fixing block left side wall is provided with a sliding rod, and the sliding rod is inserted into the sliding hole leftwards.

3. The gauge of claim 2, wherein the slide bar is sleeved with a spring, the spring being located between the slide block and the fixed block.

4. The gauge of claim 1, wherein there are two of said small head positioning members, and two of said small head positioning members are disposed on said small head positioning seat in front of and behind and horizontally.

5. The gauge according to claim 1, wherein a raised block is provided on an upper end surface of the bottom plate, and the sliding block is located on an upper side wall of the raised block.

6. The gauge according to claim 1, wherein two big head supporting seats are arranged on the upper end face of the sliding block, the two big head supporting seats are arranged on the outer peripheral side of the big head fixing pile, and the height of the big head supporting seats is smaller than that of the big head fixing pile.

7. The gauge of claim 1, wherein the pushing assembly comprises an eccentric wheel and a handle arranged on the eccentric wheel, a fixed column is arranged on the bottom plate, the fixed column is arranged on the left side of the sliding block, the eccentric wheel is rotatably arranged on the fixed column, and the eccentric wheel is abutted with the outer side wall of the sliding block.

8. The gauge of claim 1, wherein the mandrel further comprises a hand-held post disposed on the upper sidewall of the inspection post, and wherein the hand-held post has an outer diameter that is less than the outer diameter of the inspection post.

9. The gauge of claim 1, wherein handles are provided at symmetrical ends of the base plate.