Improved oil cylinder mounting structure

Abstract

The utility model discloses an improved oil cylinder mounting structure, and relates to the technical field of mechanical equipment. An improved oil cylinder installation structure comprises an oil cylinder and further comprises a middle pin shaft plate, the cross section of the middle pin shaft plate is square, a center round hole is formed in the center of the middle pin shaft plate, threaded through holes are formed in the periphery of the center round hole of the middle pin shaft plate, and the axis of the center round hole is parallel to the axis of the threaded through holes. Threaded through holes are formed in the middle pin shaft plate, a screw rod is screwed into the threaded through holes to be connected with an oil cylinder, pin shafts are arranged on the two sides of the middle pin shaft plate, threaded holes are formed in the centers of the pin shafts, the two pin shafts are located on the same axis, and four threaded holes are machined in each of the two side faces, without the pin shafts, of the middle pin shaft plate. The supporting assembly is used for reinforcing the middle pin shaft plate; the problem of shaft breakage can be quickly and effectively avoided on the premise that only one element of the middle pin shaft plate is changed, the technical scheme is simple, and the improvement cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment, in particular to an improved oil cylinder installation structure. Background Art

[0002] At present, hydraulic systems are widely used in mechanical equipment, and oil cylinders are almost the necessary actuators in hydraulic systems. The installation of oil cylinders adopts the form of intermediate pins, which has the advantages of saving space, flexible movement, and convenient installation. However, when used in some compact spaces, the intermediate pin plate is limited by the space size, resulting in reduced strength and prone to broken shaft failure. Utility Model Content

[0003] The utility model provides an improved oil cylinder installation structure. The technical solution provided by the application can avoid the risk of broken shafts, and the technical solution is simple and reliable, with low processing difficulty, low improvement cost and convenient installation.

[0004] In order to achieve the above objectives, this application provides the following technical solutions:

[0005] An improved oil cylinder installation structure comprises an oil cylinder and further comprises: an intermediate pin shaft plate, wherein the cross-sectional shape of the intermediate pin shaft plate is square, a central circular hole is arranged at the center of the intermediate pin shaft plate, the central circular hole of the intermediate pin shaft plate is used to pass through the cylinder barrel of the oil cylinder, threaded through holes are arranged around the central circular hole of the intermediate pin shaft plate, the threaded through holes are located at the four corners of the intermediate pin shaft plate, the axes of the central circular hole and the threaded through holes are arranged in parallel, the threaded through holes are used to screw in a screw rod to connect the oil cylinder, pin shafts are arranged on both sides of the intermediate pin shaft plate, a threaded hole is arranged at the center of the pin shaft, the two pin shafts are located on the same axis, and four threaded holes are processed on each of the two side surfaces of the intermediate pin shaft plate without the pin shaft;

[0006] A support assembly is used to reinforce the middle pin shaft plate.

[0007] Furthermore, the support assembly includes a support hole plate and a reinforcement frame, wherein two support hole plates are symmetrically arranged, and the two support hole plates are used to support the pins on both sides of the middle pin plate, and the ends of the pins protrude from the sides of the support hole plates, and the support hole plates are fixedly mounted on the bottom plate, and two reinforcement frames are symmetrically arranged, and the middle part of the reinforcement frame is fixedly mounted on the pin, and the two sides of the reinforcement frame are fixedly mounted on the sides of the middle pin plate.

[0008] Furthermore, the reinforcement frame is in a U-shape, a circular through hole is provided at the center of the bottom surface of the reinforcement frame, and two circular holes are provided on each of the two side vertical plates of the reinforcement frame.

[0009] Furthermore, the support assembly also includes a large bolt and a small bolt. The large bolt passes through the circular through hole on the bottom surface of the reinforcement frame and is screwed into the threaded hole on the pin shaft of the middle pin shaft plate. The small bolt passes through the circular holes of the vertical plates on both sides of the reinforcement frame and is screwed into the threaded hole on the side of the middle pin shaft plate.

[0010] Furthermore, the pin on the intermediate pin plate protrudes from the side of the supporting hole plate by at least 1 mm.

[0011] Furthermore, the reinforcement frame is made of high-quality alloy steel.

[0012] Furthermore, the thickness of the reinforcement frame is less than or equal to the thickness of the middle pin shaft plate.

[0013] Furthermore, the diameter of the central circular hole of the intermediate pin plate is 0.05-0.10 mm larger than the outer diameter of the cylinder barrel.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model can realize the rapid and effective avoidance of the problem of short shafts under the premise of changing only one component, the middle pin shaft plate, and the technical solution is simple and the transformation cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view and a top view of an improved oil cylinder installation structure of the utility model.

[0016] Figure 2 It is the front view and top view of the middle pin plate of the utility model.

[0017] Figure 3 It is the three-view drawing of the reinforcement frame of the utility model.

[0018] Figure numbers: 1-oil cylinder; 2-middle pin plate; 3-support hole plate; 4-bottom plate; 5-reinforcement frame; 6-large bolt; 7-small bolt. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0020] Example: Figure 1-Figure 3 An improved oil cylinder installation structure shown includes an oil cylinder 1 and further includes:

[0021] The middle pin shaft plate 2 has a square cross-sectional shape, a center circular hole is provided in the center of the middle pin shaft plate 2, the center circular hole of the middle pin shaft plate 2 is used to pass through the cylinder barrel of the oil cylinder 1, threaded through holes are provided around the center circular hole of the middle pin shaft plate 2, the threaded through holes are located at the four corners of the middle pin shaft plate 2, the axes of the center circular hole and the threaded through holes are provided in parallel, the threaded through holes are used to screw in the screw rods to connect the oil cylinder 1, pin shafts are provided on both sides of the middle pin shaft plate 2, a threaded hole is provided in the center of the pin shaft, the two pin shafts are located on the same axis, and four threaded holes are processed on each of the two side surfaces of the middle pin shaft plate 2 without the pin shaft;

[0022] Support assembly, the support assembly is used to reinforce the middle pin plate 2.

[0023] The supporting assembly includes a supporting hole plate 3, a base plate 4 and a reinforcement frame 5. Two supporting hole plates 3 are symmetrically arranged. The two supporting hole plates 3 are used to support the pins on both sides of the middle pin plate 2. The supporting hole plate 3 is fixedly installed on the base plate 4. Two reinforcement frames 5 are symmetrically arranged. The middle part of the reinforcement frame 5 is fixedly installed on the pin, and the two sides of the reinforcement frame 5 are fixedly installed on the side of the middle pin plate 2.

[0024] The reinforcement frame 5 is in a U-shape, a circular through hole is provided at the center of the bottom surface of the reinforcement frame 5 , and two side vertical plates of the reinforcement frame 5 are respectively provided with two circular holes.

[0025] The supporting assembly also includes a large bolt 6 and a small bolt 7. The large bolt 6 passes through the circular through hole on the bottom surface of the reinforcement frame 5 and is screwed into the threaded hole on the pin shaft of the middle pin shaft plate 2. The small bolt 7 passes through the circular holes on the vertical plates on both sides of the reinforcement frame 5 and is screwed into the threaded holes on the side surfaces of the middle pin shaft plate 2.

[0026] The pins on the intermediate pin plate 2 protrude from the side of the supporting orifice plate 3 by at least 1 mm.

[0027] The reinforcement frame 5 is made of high-quality alloy steel.

[0028] The thickness of the reinforcement frame 5 is less than or equal to the thickness of the middle pin plate 2 .

[0029] The diameter of the central circular hole of the middle pin plate 2 is 0.05-0.10 mm larger than the outer diameter of the cylinder 1 .

[0030] An installation method of an improved oil cylinder installation structure is as follows: step 1, the oil cylinder 1 and the middle pin plate 2 are connected into a whole;

[0031] Step 2: The support orifice plate 3 is respectively installed on the pins on both sides of the middle pin plate 2, and then the support orifice plate 3 is fixed to the bottom plate 4;

[0032] The above steps complete the installation of the conventional intermediate pin shaft type oil cylinder. At this time, only the position where the inner side of the pin shaft and the intermediate pin shaft plate 2 are connected is stressed;

[0033] Step three, align the circular through holes on the bottom surfaces of the two reinforcement frames 5 with the threaded holes on the pin shaft, align the two circular holes on the vertical plates on both sides of the reinforcement frames 5 with the threaded holes on the two side surfaces without the pin shaft of the middle pin shaft plate 2, and screw in the large bolts 6 and the small bolts 7 to fix them respectively.

[0034] At this time, the outer side of the pin of the middle pin plate 2 and the position where the reinforcement frame 5 is connected are subjected to force at the same time, thereby avoiding the problem of broken pin.

[0035] After assembly, the pin shaft protrudes from the supporting orifice plate 3 by at least 1 mm to ensure that the reinforcement frame 5 and the supporting orifice plate 3 do not contact each other and that no scratches occur when the oil cylinder 1 rotates.

Claims

1. An improved oil cylinder mounting structure, comprising an oil cylinder (1), characterized in that: Also includes: An intermediate pin shaft plate (2), wherein the cross-sectional shape of the intermediate pin shaft plate (2) is square, a central circular hole is arranged at the center of the intermediate pin shaft plate (2), the central circular hole of the intermediate pin shaft plate (2) is used to pass through the cylinder barrel of the oil cylinder (1), threaded through holes are arranged around the central circular hole of the intermediate pin shaft plate (2), the threaded through holes are located at the four corners of the intermediate pin shaft plate (2), the axes of the central circular hole and the threaded through holes are arranged in parallel, the threaded through holes are used to screw in a screw rod to connect the oil cylinder (1), pin shafts are arranged on both sides of the intermediate pin shaft plate (2), a threaded hole is arranged at the center of the pin shaft, the two pin shafts are located on the same axis, and four threaded holes are processed on each of the two side surfaces of the intermediate pin shaft plate (2) without the pin shaft; A support assembly, wherein the support assembly is used to reinforce the middle pin shaft plate (2).

2. An improved oil cylinder mounting structure as claimed in claim 1, characterized in that: The support assembly comprises a support hole plate (3) and a reinforcement frame (5), wherein two support hole plates (3) are symmetrically arranged, and the two support hole plates (3) are used to support the pins on both sides of the middle pin plate (2), and the ends of the pins protrude from the side surfaces of the support hole plates (3), and the support hole plates (3) are fixedly mounted on the bottom plate (4), and the two reinforcement frames (5) are symmetrically arranged, and the first end of the reinforcement frame (5) is fixedly mounted on the pin, and the second end of the reinforcement frame (5) is fixedly mounted on the side surface of the middle pin plate (2).

3. An improved oil cylinder mounting structure as claimed in claim 2, characterized in that: The reinforcement frame (5) is U-shaped, a circular through hole is provided at the centre of the bottom surface of the reinforcement frame (5), and two side vertical plates of the reinforcement frame (5) are each provided with two circular holes.

4. An improved oil cylinder mounting structure as claimed in claim 3, characterized in that: The support assembly further comprises a large bolt (6) and a small bolt (7), wherein the large bolt (6) passes through the circular through hole on the bottom surface of the reinforcement frame (5) and is screwed into the threaded hole on the pin shaft of the middle pin shaft plate (2), and the small bolt (7) passes through the circular holes of the vertical plates on both sides of the reinforcement frame (5) and is screwed into the threaded hole on the side surface of the middle pin shaft plate (2).

5. An improved oil cylinder mounting structure as claimed in claim 2, characterized in that: The pin on the middle pin plate (2) protrudes from the side surface of the supporting hole plate (3) by at least 1 mm.

6. An improved oil cylinder mounting structure as claimed in claim 2, characterized in that: The reinforcement frame (5) is made of high-quality alloy steel.

7. An improved oil cylinder mounting structure as claimed in claim 2, characterized in that: The thickness of the reinforcement frame (5) is less than or equal to the thickness of the middle pin shaft plate (2).

8. The improved oil cylinder mounting structure according to claim 1, characterized in that: The diameter of the central circular hole of the intermediate pin shaft plate (2) is 0.05-0.10 mm larger than the outer diameter of the cylinder barrel of the oil cylinder (1).

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