Crankshaft oil hole drilling auxiliary device

Abstract

The utility model provides a crankshaft oil hole drilling auxiliary device, relates to the technical field of crankshaft oil holes, and solves the problems that when an oil hole of a crankshaft is drilled, the drilling difficulty is increased due to the fact that the oil hole needs to obliquely extend to a certain degree, and meanwhile the crankshaft is difficult to stably and obliquely place due to the shape of the crankshaft. A bottom plate is connected to the top of the base, a hinge shaft is arranged at one end of the bottom plate, a connecting opening is formed in the end, away from the hinge shaft, of the bottom plate, an adjusting lead screw is connected to the top of one side of the base, a lifting ring is connected to the side wall of the adjusting lead screw, and a hinge telescopic rod is arranged on one side of the lifting ring. A limiting rod is arranged on the side, close to the top, of the containing block, a rotating shaft is arranged on the side, away from the limiting rod, of the top of the containing block, a fastening assembly is arranged on the top of the rotating shaft, deflects along the rotating shaft and is matched with the limiting rod in an embedded mode, and a limiting abutting block is arranged on the top of the bottom plate.

Description

Technical Field

[0001] The utility model relates to the technical field of crankshaft oil holes, and more specifically, to an auxiliary device for drilling crankshaft oil holes. Background Art

[0002] After the production of the crankshaft oil holes, several oil holes need to be drilled on the crankshaft.

[0003] However, because the oil holes need to extend obliquely to a certain extent, the drilling difficulty increases. The crankshaft needs to be placed obliquely to ensure the stability and accuracy of the oblique drilling of the oil holes. However, for the existing crankshaft, due to its uneven disc surface, it is difficult to place it stably and firmly, making it difficult to keep it in a stable oblique position. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an auxiliary device for drilling crankshaft oil holes, which solves the problems that when drilling the oil holes of the crankshaft, due to the need for a certain oblique extension of the oil holes themselves, the drilling difficulty increases, and at the same time, due to the shape of the crankshaft itself, it is difficult to place it stably and obliquely.

[0005] The embodiments of the utility model are realized through the following technical solutions:

[0006] The utility model provides an auxiliary device for drilling crankshaft oil holes, which includes a base. A bottom plate is connected to the top of the base. One end of the bottom plate is provided with a hinge shaft, and a connection opening is provided at the end of the bottom plate far from the hinge shaft. A regulating screw rod is connected to the top of one side of the base. A lifting ring is connected to the side wall of the regulating screw rod. One side of the lifting ring is provided with a hinge telescopic rod. A placing block is provided on the top of the bottom plate. A limiting rod is provided near one side of the top of the placing block. A rotating shaft is provided on the side of the top of the placing block far from the limiting rod. A fastening component is provided on the top of the rotating shaft. The fastening component deflects along the rotating shaft, and the fastening component is in interference fit with the limiting rod. A limiting abutting block is provided on the top of the bottom plate.

[0007] Preferably, the hinge telescopic rod is a rod body hinged and connected between one side of the lifting ring and the connection opening. The hinge telescopic rod is telescopically arranged, and the inner wall of the lifting ring is thread-matched with the side wall of the regulating screw rod.

[0008] Preferably, the end of the bottom plate far from the connection opening is connected to the base through the hinge shaft.

[0009] Preferably, a "V"-shaped groove is provided in the middle of the top of the placing block.

[0010] Preferably, the limiting rod further includes a abutting nut, and the abutting nut is thread-matched and connected to one end of the limiting rod.

[0011] Preferably, the fastening assembly includes a fixing rod, a sliding groove, a fixing block, a slider and a fitting opening. The fixing rod is connected to the top end of the rotating shaft. The sliding groove is arranged at the bottom of the fixing rod. The fixing block is connected to the bottom of the fixing rod. The slider is arranged on the top of the fixing block. The fitting opening is arranged at one end of the fixing rod away from the rotating shaft.

[0012] Preferably, the fixing block is connected by the slider on the top to cooperate with the sliding groove. A pin is connected to the middle of the slider. Several holes for cooperating with the pin are arranged on one side of the fixing rod.

[0013] Preferably, the fitting opening is an opening for the cooperation between one end of the fixing rod and the limiting rod.

[0014] Preferably, the opposite sides of the two fixing blocks are arranged as inclined slopes.

[0015] The technical solution of the embodiment of the present utility model has at least the following advantages and beneficial effects:

[0016] 1. Through the adjusting screw rod and the placing block arranged in the device, while the crankshaft can be firmly placed, the crankshaft can also be placed obliquely, so that an obliquely extending oil hole can be better drilled.

[0017] 2. The device is also provided with a fastening assembly. Through the fastening assembly, when the placing block fastens the crankshaft, it can cooperate with crankshafts of different diameters for fastening. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the present utility model, the drawings required to be used in the embodiment will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as a limitation of the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained according to these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 For the present utility model Figure 1 is an enlarged schematic diagram of part A in;

[0021] Figure 3 It is a front sectional view schematic diagram of the placing block of the present utility model;

[0022] Icons: base 1, adjusting lead screw 101, lifting ring 1011, articulated telescopic rod 1012, bottom plate 2, articulated shaft 201, connecting opening 202, placing block 3, limiting rod 301, abutting nut 3011, rotating shaft 302, fixed rod 303, chute 3031, fixed block 3032, slider 3033, fitting opening 3034, limiting abutting block 4. Detailed implementation mode

[0023] In the description of the present invention, it should also be noted that unless otherwise clearly defined and limited, if the terms "set", "installed", "connected", "connected" are used, they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0024] The following combines Figures 1 to 3 to make a detailed description of the present invention.

[0025] A drilling assistance device for a crankshaft oil hole includes a base 1. The top of the base 1 is connected with a bottom plate 2. One end of the bottom plate 2 is provided with an articulated shaft 201. The end of the bottom plate 2 far from the articulated shaft 201 is provided with a connecting opening 202. One side of the top of the base 1 is connected with an adjusting lead screw 101. The side wall of the adjusting lead screw 101 is connected with a lifting ring 1011. One side of the lifting ring 1011 is provided with an articulated telescopic rod 1012. The top of the bottom plate 2 is provided with a placing block 3. One side of the top of the placing block 3 close to one side is provided with a limiting rod 301. The side of the top of the placing block 3 far from the limiting rod 301 is provided with a rotating shaft 302. The top of the rotating shaft 302 is provided with a fastening assembly. The fastening assembly deflects along the rotating shaft 302 and is in fitting cooperation with the limiting rod 301. The top of the bottom plate 2 is provided with a limiting abutting block 4.

[0026] First, place the parts of the crankshaft near both ends that need to be drilled on the two placement blocks 3 on the bottom plate 2, and place them stably through the "V"-shaped grooves on the placement blocks 3. Then, control the deflection of the fixing rod 303 connected to the rotating shaft 302 on one side of the placement block 3, and then control the rotation of the rotating shaft 302 to make the fixing block 3032 face the "V"-shaped groove on the placement block 3. Then, apply force to the fixing block 3032 to deflect it along the rotating shaft 302 so that it deflects to the top of the crankshaft on the placement block 3. At the same time, due to the "V" shape formed by the inclined slopes on the opposite sides of the fixing block 3032, it can abut against the top of the crankshaft. Then, control the deflection of the limiting rod 301 hinged to the other side of the placement block 3 to make it fit into the fitting opening 3034, and then rotate the abutting nut 3011 to make it rise and fall along the thread on the side wall of the limiting rod 301 until it descends and abuts against the opening of the fitting opening 3034. By the tight fitting and pressing of the abutting nut 3011, the fixing rod 303 is pressed and fixed so that it can fasten the crankshaft. A "V"-shaped groove is provided in the middle of the top of the placement block 3. The limiting rod 301 also includes an abutting nut 3011, and the abutting nut 3011 is threadedly matched and connected to one end of the limiting rod 301. At the same time, when the crankshaft is placed, the recessed gap between the discs in the middle of it will abut against the limit abutting block 4, and the crankshaft is limited to a certain extent through the limit abutting block 4 so that the crankshaft will not rotate easily.

[0027] Further, the articulated telescopic rod 1012 is a rod body hinged and connected between one side of the lifting ring 1011 and the connecting opening 202. The articulated telescopic rod 1012 is telescopically arranged. The inner wall of the lifting ring 1011 is threadedly matched with the side wall of the adjusting screw rod 101. One end of the bottom plate 2 away from the connecting opening 202 is connected to the base 1 through a hinge shaft 201.

[0028] Then, when drilling the crankshaft, the rotation of the adjusting screw rod 101 can be controlled to make the lifting ring 1011 on the side wall rise and fall along the adjusting screw rod 101. Since the lifting ring 1011 is connected to the connecting opening 202 through the articulated telescopic rod 1012 on one side, the lifting ring 1011 cannot rotate, so it can rise and fall along the adjusting screw rod 101. When the lifting ring 101 rises, it will drive one end of the bottom plate 2 to rise, and then the other end of the bottom plate 2 will deflect through the hinge shaft 201 to make the entire bottom plate 2 tilt, so that it is more convenient to drill holes extending obliquely on the crankshaft. At the same time, due to the telescopic setting of the articulated telescopic rod 1012 itself and its hinged connection with the connecting opening 202, the articulated telescopic rod 1012 can cooperate with the change of the tilt angle of the bottom plate 2.

[0029] Further, the fastening assembly includes a fixing rod 303, a sliding groove 3031, a fixing block 3032, a sliding block 3033 and a fitting opening 3034. The fixing rod 303 is connected to the top end of the rotating shaft 302. The sliding groove 3031 is provided at the bottom of the fixing rod 303. The fixing block 3032 is connected to the bottom of the fixing rod 303. The sliding block 3033 is provided on the top of the fixing block 3032. The fitting opening 3034 is provided at one end of the fixing rod 303 away from the rotating shaft 302. The fixing block 3032 is connected by the sliding block 3033 on the top to cooperate with the sliding groove 3031. A pin is connected to the middle of the sliding block 3033. Several holes for cooperating with the pin are provided on one side of the fixing rod 303. The fitting opening 3034 is an opening for the cooperation of one end of the fixing rod 303 with the limiting rod 301. The opposite sides of the two fixing blocks 3032 are provided with inclined slopes.

[0030] At the same time, the fixing block 3032 is slidably connected to the sliding groove 3031 through the sliding block 3033 on the top, so that the fixing block 3032 can be displaced along the sliding groove 3031 by the sliding block 3033, thereby adjusting the distance between the two fixing blocks 3032 to adapt to crankshafts of different diameters. At the same time, after adjustment, the pin on the sliding block 3033 penetrates through the holes on one side of the fixing rod 303 for fixation.

[0031] The following is the specific implementation process of the present utility model. First, place the parts near both ends of the crankshaft to be drilled on two placement blocks 3 on the bottom plate 2, and stably place it through the "V"-shaped grooves on the placement blocks 3. Then, control the deflection of the fixing rod 303 connected to the rotating shaft 302 on one side of the placement block 3, and then control the rotation of the rotating shaft 302 to make the fixing block 3032 face the "V"-shaped groove on the placement block 3. Then, apply force to the fixing block 3032 to deflect it along the rotating shaft 302, so that it deflects to the top of the crankshaft on the placement block 3. At the same time, due to the "V" shape formed by the inclined slopes on the opposite sides of the fixing block 3032, it can abut against the top of the crankshaft. Then, control the deflection of the limiting rod 301 hinged to the other side of the placement block 3 to make it fit into the fitting opening 3034. Then, rotate the abutting nut 3011 to make it rise and fall along the thread on the side wall of the limiting rod 301 until it descends and abuts against the opening of the fitting opening 3034. Through the tight fit and pressure of the abutting nut 3011, the fixing rod 303 is pressured and fixed, so that it can fasten the crankshaft. A "V"-shaped groove is provided in the middle of the top of the placement block 3. The limiting rod 301 also includes an abutting nut 3011, and the abutting nut 3011 is threadedly matched and connected to one end of the limiting rod 301. Then, when drilling the crankshaft, the adjusting screw rod 101 can be controlled to rotate, so that the lifting ring 1011 on the side wall will rise and fall along the adjusting screw rod 101. Since the lifting ring 1011 is connected to the connecting opening 202 through the hinged telescopic rod 1012 on one side, the lifting ring 1011 cannot rotate, so that it can rise and fall along the adjusting screw rod 101. When the lifting ring 101 rises, it will drive one end of the bottom plate 2 to rise, and the other end of the bottom plate 2 will deflect through the hinge shaft 201, so that the entire bottom plate 2 is inclined, making it more convenient to drill holes extending obliquely on the crankshaft. At the same time, due to the telescopic setting of the hinged telescopic rod 1012 itself and the hinged connection with the connecting opening 202, the hinged telescopic rod 1012 can cooperate with the change of the inclination angle of the bottom plate 2.

[0032] The above is only the preferred embodiment of the present utility model and is not intended to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A crankshaft oil hole drilling auxiliary device, comprising a base (1), characterized in that: The top of the base (1) is connected to a bottom plate (2), one end of the bottom plate (2) is provided with a hinge shaft (201), and the end of the bottom plate (2) away from the hinge shaft (201) is provided with a connection opening (202); the top of one side of the base (1) is connected to an adjusting screw rod (101), the side wall of the adjusting screw rod (101) is connected to a lifting ring (1011), and one side of the lifting ring (1011) is provided with a hinged telescopic rod (1012); A placement block (3) is arranged on the top of the plate (2); a limiting rod (301) is arranged on the top of the placement block (3) near one side; a rotation axis (302) is arranged on the top of the placement block (3) away from the limiting rod (301); a fastening component is arranged on the top of the rotating axis (302); the fastening component deflects along the rotating axis (302); the fastening component is engaged with the limiting rod (301); and a limiting stop block (4) is arranged on the top of the bottom plate (2).

2. A crankshaft oil hole drilling auxiliary device according to claim 1, characterized in that: The hinged telescopic rod (1012) is a rod body hingedly connected to the connection opening (202) on one side of the lifting ring (1011), the hinged telescopic rod (1012) is telescopically arranged, and the inner wall of the lifting ring (1011) is threadably matched with the side wall of the adjusting screw rod (101).

3. The crankshaft oil hole drilling auxiliary device according to claim 1, characterized in that: One end of the bottom plate (2) away from the connection opening (202) is connected to the base (1) via a hinge shaft (201).

4. The crankshaft oil hole drilling auxiliary device according to claim 1, characterized in that: A V-shaped groove is provided in the middle of the top of the placement block (3).

5. The crankshaft oil hole drilling auxiliary device according to claim 1, characterized in that: The limiting rod (301) further comprises abutting nut (3011), and the abutting nut (3011) is threadedly matched and connected to one end of the limiting rod (301).

6. The crankshaft oil hole drilling auxiliary device according to claim 1, characterized in that: The fastening assembly comprises a fixing rod (303), a sliding groove (3031), a fixing block (3032), a sliding block (3033) and an engaging opening (3034); the fixing rod (303) is connected to the top of the rotating shaft (302); the sliding groove (3031) is arranged at the bottom of the fixing rod (303); the fixing block (3032) is connected to the bottom of the fixing rod (303); the sliding block (3033) is arranged at the top of the fixing block (3032); and the engaging opening (3034) is arranged at one end of the fixing rod (303) away from the rotating shaft (302).

7. A crankshaft oil hole drilling auxiliary device according to claim 6, characterized in that: The fixing block (3032) is connected to the slide groove (3031) through a top slider (3033), a latch is connected to the middle of the slider (3033), and a plurality of holes that cooperate with the latch are provided on one side of the fixing rod (303).

8. The crankshaft oil hole drilling auxiliary device according to claim 6, characterized in that: The engaging opening (3034) is an opening at one end of the fixing rod (303) that matches with the limiting rod (301).

9. The crankshaft oil hole drilling auxiliary device according to claim 6, characterized in that: The opposite side of the two fixing blocks (3032) is provided with an inclined slope.

Images