CN211029747U

CN211029747U - Piston pin hole detection device

Info

Publication number: CN211029747U
Application number: CN201922105380.6U
Authority: CN
Inventors: 沈雪华
Original assignee: Yuyao Huachen Machinery Co ltd
Current assignee: Yuyao Huachen Machinery Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-17
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a piston pin hole detection device, including the clamping jaw mechanism who is used for centre gripping piston pin, clamping jaw mechanism is including clamping jaw frame, actuating lever and two clamping jaws, other movable mounting is equallyd divide to the one end of two clamping jaws on the actuating lever, the middle part of two clamping jaws sets up relatively and articulates respectively on clamping jaw frame, the other end of two clamping jaws is equipped with the clamp splice of relative setting, install the block rubber on the clamping face of clamp splice, can dismantle on the side of keeping away from the clamp splice of block rubber and be equipped with inflatable gasbag, inflatable gasbag respectively with the intake pipe, the blast pipe is connected, the external miniature air pump of intake pipe, be equipped with. External force pulling actuating lever before detecting, with the piston pin centre gripping between two inflatable air bags, inflate the pressurization to inflatable air bag through opening outside miniature air pump, and then form flexible centre gripping to the piston pin, open the valve on the blast pipe after detecting the completion for inflatable air bag slowly deflates, promotes the actuating lever again and makes two clamping jaws open and take off the piston pin.

Description

Piston pin hole detection device

Technical Field

The utility model relates to a piston pin detects technical field, concretely relates to piston pin hole detection device.

Background

The piston pin is a cylindrical pin arranged on the skirt part of the piston, the middle part of the piston pin penetrates through the small end hole of the connecting rod and is used for connecting the piston and the connecting rod, and the function of the piston pin is to transmit the gas acting force born by the piston to the connecting rod or enable the small end of the connecting rod to drive the piston to move together. To reduce weight, piston pins are typically made of high quality alloy steel and are hollow.

When carrying out the pinhole to the piston pin and detecting, often can use metal fixture, carry out hard centre gripping to the piston pin, when anchor clamps quality is relatively poor, form surface wear to the piston pin easily, influence the product quality of piston pin.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical defects, the technical scheme adopted by the utility model is to provide a piston pin hole detection device, which comprises a clamping jaw mechanism for clamping and fixing a piston pin, wherein the clamping jaw mechanism comprises a clamping jaw frame, a driving rod driven by external force and two clamping jaws, one ends of the two clamping jaws are respectively movably mounted on the driving rod, the middle parts of the two clamping jaws are respectively hinged on the clamping jaw frame, the middle parts of the two clamping jaws are oppositely arranged, the other ends of the two clamping jaws are provided with oppositely arranged clamping blocks, a rubber block is mounted on the clamping surface of each clamping block, an inflatable air bag can be detachably arranged on the side surface of each rubber block far away from the clamping block, the inflatable air bag is respectively connected with an air inlet pipe and an exhaust pipe, the air inlet pipe is externally connected with a miniature air pump, a valve is arranged on the exhaust pipe, when the driving rod transversely, the clamping blocks on the two clamping jaws are close to or far away from each other.

Furthermore, a driving motor is fixedly mounted on the clamping jaw frame, a threaded sleeve is mounted on an output shaft of the driving motor, and threads matched with the threaded sleeve are arranged on the driving rod.

Furthermore, waist-shaped holes are formed in the two clamping jaws, two traction columns are coaxially arranged at the upper end and the lower end of one end, far away from the threads, of the driving rod, and the two traction columns are respectively installed on the waist-shaped holes of the two clamping jaws in a sliding mode.

Furthermore, an arc-shaped concave surface is arranged on the side face, far away from the clamping block, of the rubber block, an inflatable air bag is arranged on the arc-shaped concave surface in a clinging mode, and the inflatable air bag is an arc-shaped air bag.

Furthermore, a sticky buckle belt hair surface is arranged on the arc concave surface, a sticky buckle belt hook surface is arranged on one side of the inflatable air bag, and the inflatable air bag is detachably connected with the rubber block through a sticky buckle type.

Furthermore, the rubber blocks at the two ends of the inflatable air bag are respectively provided with a strong magnetic strip, and the side of the strong magnetic strip, which is far away from the rubber blocks, is provided with a smooth cambered surface.

Furthermore, a plurality of reinforcing blocks are arranged at equal intervals at the upper end and the lower end of the clamping block, and one ends of the reinforcing blocks extend to the connecting positions of the clamping block and the rubber blocks.

Compared with the prior art the utility model discloses technical scheme's beneficial effect does:

1. the utility model provides a pair of piston pin hole detection device, through fixed block rubber on the clamping face at the clamp splice of two clamping jaws, and install inflatable gasbag on the block rubber, can external force pulling actuating lever before carrying out the pinhole detection, with the piston pin centre gripping between the inflatable gasbag of two clamping jaws, aerify the pressurization to inflatable gasbag through opening outside miniature air pump, and then slowly form stable flexible centre gripping to the piston pin, can open the valve on the blast pipe after the pinhole detects the completion, make inflatable gasbag slowly bleed, promote the actuating lever again and make two clamping jaws open and take off the piston pin, the block rubber has certain cushioning effect, and more do benefit to inflatable gasbag's stable installation.

2. The driving motor controls the threaded sleeve to rotate forward and backward to control the driving rod connected with the threaded sleeve to move forward or backward, and further the piston pin is loosened or clamped by the clamping jaw.

3. Set up the arc concave surface on the block rubber to set up the arc gasbag of inflatable gasbag for matching the installation, the cylindrical outer wall shape of laminating piston pin can carry out more stable centre gripping to the piston pin, through the matching design of thread gluing area hair side and thread gluing area hook face, makes block rubber and inflatable gasbag form the connection of dismantling of thread gluing belt, and the dismouting is changed all very conveniently.

4. The strong magnetic stripe sets up on the rubber block at inflatable gasbag both ends, and when the clamp splice on two clamping jaws was close to the centre gripping piston pin each other, on the one hand two clamp splices attract through strong magnetic stripe can the centre gripping more fasten, and on the other hand strong magnetic stripe also can attract the piston pin of centre gripping, forms supplementary absorption fixed action to the piston pin.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a structural diagram of a piston pin hole detection device according to an embodiment of the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

Wherein the reference numerals are:

1. the clamping jaw device comprises a clamping jaw frame, 2, a driving rod, 3, a clamping jaw, 4, a clamping block, 5, a rubber block, 6, an inflatable air bag, 7, an air inlet pipe, 8, an air outlet pipe, 9, a driving motor, 10, a threaded sleeve, 11, a waist-shaped hole, 12, a strong magnetic strip, 13 and a reinforcing block.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Example 1

Referring to fig. 1 and 2, the present invention provides a piston pin hole detection device, which comprises a clamping jaw mechanism for clamping and fixing a piston pin, wherein the clamping jaw mechanism comprises a clamping jaw frame 1, a driving rod 2 driven by an external force and two clamping jaws 3, one ends of the two clamping jaws 3 are equally movably mounted on the driving rod 2, the middle parts of the two clamping jaws 3 are hinged on the clamping jaw frame 1, the middle parts of the two clamping jaws 3 are oppositely arranged, the other ends of the two clamping jaws 3 are provided with oppositely arranged clamping blocks 4, a rubber block 5 is mounted on the clamping surface of the clamping block 4, an inflatable air bag 6 is detachably mounted on the side surface of the rubber block 5 far away from the clamping block 4, the inflatable air bag 6 is respectively connected with an air inlet pipe 7 and an air outlet pipe 8, the air inlet pipe 7 is externally connected with a micro air pump (not shown in the figure), the air outlet pipe 8, the clamping blocks 4 on the two clamping jaws 3 are close to or far away from each other.

Fix the rubber block 5 on the clamping face through the clamp splice 4 at two clamping jaws 3, and install inflatable gasbag on rubber block 5, can external force pulling actuating lever 2 before carrying out the pinhole detection, with the piston pin centre gripping between the inflatable gasbag 6 of two clamping jaws 3, inflate pressurization to inflatable gasbag 6 through opening outside miniature air pump, and then slowly form stable flexible centre gripping to the piston pin, can open the valve on the blast pipe 8 after the pinhole detects the completion, make inflatable gasbag 6 slowly bleed, promote actuating lever 2 again and make two clamping jaws 3 open and take off the piston pin, rubber block 5 has certain cushioning effect, and more do benefit to inflatable gasbag 6's stable installation.

Example 2

On the basis of the above embodiment, one of the optimized designs is made in this embodiment, a driving motor 9 is fixedly mounted on the clamping jaw frame 1, a threaded sleeve 10 is mounted on an output shaft of the driving motor 9, and a thread matched with the threaded sleeve 10 is arranged on the driving rod 2.

The driving mode of the driving rod 2 has many kinds, in this embodiment, the driving motor 9 controls the threaded sleeve 10 to rotate forward and backward, so as to control the driving rod 2 connected with the threaded sleeve 10 to move forward or backward, and further realize the loosening or clamping operation of the piston pin by the clamping jaw 3.

Example 3

On the basis of the above embodiment, one of the optimized designs is made in the embodiment, waist-shaped holes 11 are formed in the two clamping jaws 3, two traction columns are coaxially arranged at the upper and lower ends of the driving rod 2, which are far away from the threads, and the two traction columns are respectively and correspondingly slidably mounted in the waist-shaped holes 11 of the two clamping jaws 3.

Example 4

In the present embodiment, on the basis of the above embodiments, one of the optimized designs is made, an arc concave surface is arranged on the side surface of the rubber block 5 away from the clamping block 4, an inflatable airbag 6 is closely arranged on the arc concave surface, and the inflatable airbag 6 is an arc airbag. The cambered concave surface is provided with a hook-and-loop fastener hair surface, one side of the inflatable air bag 6 is provided with a hook-and-loop fastener hook surface, and the inflatable air bag 6 and the rubber block 5 are detachably connected through a hook-and-loop fastener. Wherein, set up the arc concave surface on rubber block 5 to set up the arc gasbag of inflatable gasbag 6 for matching the installation, the cylindrical outer wall shape of laminating piston pin can carry out centre gripping more steadily to the piston pin, through the matching design of thread gluing area hair side and thread gluing area hook face, makes rubber block 5 and inflatable gasbag 6 form the connection of dismantling of thread gluing belt, and the dismouting is changed all very conveniently.

Example 5

On the basis of the above embodiment, the present embodiment makes one of the optimized designs, the rubber blocks 5 at the two ends of the inflatable airbag 6 are respectively provided with a strong magnetic strip 12, and the side of the strong magnetic strip 12 away from the rubber block 5 is provided with a smooth arc surface. The setting of strong magnetic stripe 12 is on the rubber block 5 at inflatable gasbag 6 both ends, and when clamp splice 4 on two clamping jaws 3 was close to the centre gripping piston pin each other, on the one hand two clamp splices 4 attract through strong magnetic stripe 12 can the centre gripping more fasten, and on the other hand strong magnetic stripe 12 also can attract the piston pin of centre gripping, forms supplementary absorption fixed action to the piston pin.

Preferably, a plurality of reinforcing blocks 13 are arranged at equal intervals at the upper end and the lower end of the clamping block 4, and one end of each reinforcing block 13 extends to the joint of the clamping block 4 and the rubber block 5, so that the structural strength of the clamping block 4 is enhanced.

The utility model discloses a main improvement lies in the clamping jaw mechanism part in the piston pin pinhole detects, so only detailed clamping jaw mechanism's structure and theory of operation, and in addition piston pin pinhole detection device should still include subassemblies such as testing platform, pinhole detector, but the structure of these subassemblies is the structure commonly used in the trade, and its principle is known for technical personnel in the field, no longer gives unnecessary details here.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a piston pin hole detection device, includes the gripper mechanism that is used for the fixed piston pin of centre gripping, its characterized in that: clamping jaw mechanism includes clamping jaw frame (1), is used for receiving external force driven actuating lever (2) and two clamping jaw (3), two respectively movable mounting is equallyd divide to the one end of clamping jaw (3) on actuating lever (2), two the middle part of clamping jaw (3) articulates respectively on clamping jaw frame (1), and two the middle part of clamping jaw (3) sets up relatively, two the other end of clamping jaw (3) is equipped with relative clamp splice (4) that sets up, install rubber block (5) on the clamping face of clamp splice (4), keeping away from of rubber block (5) can dismantle on the side of clamp splice (4) and be equipped with inflatable gasbag (6), inflatable gasbag (6) are connected with intake pipe (7), blast pipe (8) respectively, the external miniature air pump of intake pipe (7), be equipped with the valve on blast pipe (8), work as during actuating lever (2) make a round trip lateral shifting, the clamping blocks (4) on the two clamping jaws (3) are close to or far away from each other.

2. A piston pin hole inspection device as defined in claim 1, wherein: the clamping jaw device is characterized in that a driving motor (9) is fixedly mounted on the clamping jaw frame (1), a threaded sleeve (10) is mounted on an output shaft of the driving motor (9), and threads matched with the threaded sleeve (10) are arranged on the driving rod (2).

3. A piston pin hole inspection device as claimed in claim 2, wherein: two all be equipped with waist type hole (11) on clamping jaw (3), actuating lever (2) are kept away from the one end of screw thread is coaxial from top to bottom to be equipped with two and draws the post, two draw the post and correspond slidable mounting respectively on waist type hole (11) of two clamping jaws (3).

4. A piston pin hole inspection device as defined in claim 1, wherein: an arc-shaped concave surface is arranged on the side face, far away from the clamping block (4), of the rubber block (5), an inflatable air bag (6) is arranged on the arc-shaped concave surface in a clinging mode, and the inflatable air bag (6) is an arc-shaped air bag.

5. The piston pin hole detecting device according to claim 4, wherein: the hook-and-loop fastener is characterized in that a hook surface of a hook-and-loop fastener is arranged on the arc concave surface, a hook surface of the hook-and-loop fastener is arranged on one side of the inflatable air bag (6), and the inflatable air bag (6) and the rubber block (5) are detachably connected through a hook-and-loop fastener.

6. A piston pin hole inspection device as defined in claim 1, wherein: the inflatable air bag is characterized in that the rubber blocks (5) at the two ends of the inflatable air bag (6) are respectively provided with a strong magnetic strip (12), and the side of the strong magnetic strip (12) departing from the rubber blocks (5) is provided with a smooth cambered surface.

7. A piston pin hole inspection device as defined in claim 1, wherein: the upper end and the lower end of the clamping block (4) are provided with a plurality of reinforcing blocks (13) at equal intervals, and one ends of the reinforcing blocks (13) extend to the joint of the clamping block (4) and the rubber block (5).