Deformation measuring gauge for axle housing casting of loading machine

Abstract

The utility model discloses a deformation measurement testing fixture for a loader axle housing casting. The deformation measurement testing fixture comprises a main reducer mounting surface direction deformation testing fixture and a mounting hole direction deformation testing fixture. The device comprises a shaft head detection rod, a seamless steel tube base body rod and a flange face detection rod, and the shaft head detection rod and the flange face detection rod are the same in structure and are each an assembly composed of a locking screw, a hexagon nut, a guide steel sleeve, a stud, a check nut and a detection rod. The two shaft head detection rods are arranged at the near two ends of the base body rod through the guide steel sleeve and correspond to the shaft heads at the two ends of the axle housing casting; the two flange surface detection rods are arranged at the middle section of the base body rod through the guide steel sleeve and correspond to the two ends of the flange surface of the axle housing casting respectively; the flange face detection device comprises a shaft head detection rod, a base body rod and a flange face detection plate welded in the middle of the base body rod, and the shaft head detection rod and the base body rod are the same in structure. The device is low in processing cost, convenient and efficient in detection operation, low in labor intensity and reliable in detection result.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment spare part detection device technical field, especially is the deformation measurement gauge of loader axle housing casting, specifically relates to the gauge of measuring the deformation of various model loader axle housing casting and the deformation direction, is used for detecting the judgment of the deformation of two directions of various model loader axle housing main reduction installation surface and main reduction installation hole relative to the center line of two end shaft head and the deformation direction. BACKGROUND

[0002] The loader axle housing model variety is much, its casting is the long and special-shaped shell body class in the axial direction, and the casting size is big and the structure is complex, and because of the influence of casting process, casting heat treatment and the like, part axle housing castings exist certain deformation, need to inspect whether the axle housing is deformed every batch before machining, and then adjust the machining reference position according to the deformation direction and deformation amount.The existing loader axle housing casting deformation detection generally adopts the tools such as inspection platform, V-shaped support seat, height gauge and scribing compass, hoists the axle housing casting to the V-shaped support seat on the two sides of the inspection platform when detecting, finds out the center point of two shaft heads of the casting and the bridge shell main reduction installation hole center, and detects the deformation of the casting X, Y direction by height gauge twice position, and the detection operation labor intensity is bigger, and the efficiency is low. SUMMARY

[0003] The utility model discloses a kind of deformation measurement gauges of loader axle housing casting, with low processing cost, convenient and efficient detection operation, reliable detection result, solve the problem of existing loader axle housing casting deformation detection operation labor intensity, low efficiency.

[0004] To achieve the above object, the utility model discloses a kind of deformation measurement gauges of loader axle housing casting, including detection loader axle housing main reduction installation surface direction deformation gauge and detection loader axle housing main reduction installation hole direction deformation gauge;

[0005] The detection tool for detecting the deformation of the main reduction mounting surface of the loader bridge housing includes an axle head detection rod 1, a base rod 2 and a flange surface detection rod 3; the base rod 2 is a seamless steel tube; the axle head detection rod 1 and the flange surface detection rod 3 have the same structure and are both assemblies, which include a locking screw 1-1, a hexagonal nut 1-2, a guide steel sleeve 1-3, a stud 1-4, a tightening nut 1-5 and a detection rod 1-6, and the guide steel sleeve 1-3 is provided with a circular hole on the upper tube wall near both ends, and the circular hole is connected to the hexagonal nut 1 -2 are aligned and welded firmly. The middle part of the lower tube wall of the guide steel sleeve 1-3 is welded to the upper end face of the stud 1-4. A threaded hole is axially provided in the lower section of the stud 1-4. The detection rod 1-6 is screwed into the threaded hole and locked with the tightening nut 1-5. The two shaft head detection rods 1 are installed at the near ends of the base rod 2 through the guide steel sleeve 1-3 and correspond to the shaft heads at both ends of the bridge housing casting. The two flange surface detection rods 3 are installed in the middle section of the base rod 2 through the guide steel sleeve 1-3 and correspond to the two ends of the flange surface of the bridge housing casting respectively.

[0006] The said inspection tool for detecting deformation in the direction of the main reducer mounting hole of the loader axle housing includes an axle head inspection rod 1, a base rod 2 and a flange surface inspection plate 4. The flange surface inspection plate 4 is welded to the middle part of the base rod 2. The axle head inspection rod 1 and the base rod 2 have the same structure as the axle head inspection rod and the base rod of the aforementioned inspection tool for detecting deformation in the direction of the main reducer mounting surface of the loader axle housing.

[0007] The utility model discloses a deformation measuring fixture for a loader axle housing casting, which has the following technical features and beneficial effects:

[0008] 1. This inspection fixture is suitable for deformation detection of axle housing castings of various models and different specifications and lengths. The workpiece is positioned once and the deformation of the axle housing in two directions can be quickly detected.

[0009] 2. The inspection fixture has a simple and compact structure, low production cost, easy adjustment, safe and efficient inspection operation, easy and reliable use, which greatly improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The utility model is a schematic diagram of the main structure of a deformation measuring fixture for detecting the deformation of the loader axle housing main reducer mounting surface direction.

[0011] Figure 2 yes Figure 1 Schematic diagram of the locally enlarged structure of area I.

[0012] Figure 3 The utility model is a three-dimensional structural diagram of a deformation measuring fixture for detecting the deformation of the loader axle housing main reducer mounting surface direction.

[0013] Figure 4The utility model is a schematic diagram of the main structure of the front side of a deformation measuring fixture for detecting the deformation of the main reducer mounting hole direction of the loader axle housing of the utility model.

[0014] Figure 5 yes Figure 4 Schematic diagram of the BB cross-sectional structure.

[0015] Figure 6 The utility model is a three-dimensional structural diagram of the front side direction of a deformation measuring fixture for detecting the deformation of the main reducer mounting hole direction of the loader axle housing of the utility model.

[0016] Figure 7 The utility model is a schematic diagram of the main structure of the rear side of the deformation measuring fixture for detecting the deformation of the main reducer mounting hole direction of the loader axle housing of the utility model.

[0017] Figure 8 yes Figure 7 Schematic diagram of the BB cross-sectional structure.

[0018] Figure 9 The utility model is a three-dimensional structural diagram of the rear side direction of the deformation measuring fixture for detecting the deformation of the main reducer mounting hole direction of the loader axle housing of the utility model.

[0019] Figure markings: shaft head detection rod 1, base rod 2, flange surface detection rod 3, locking screw 1-1, hexagonal nut 1-2, guide steel sleeve 1-3, stud 1-4, tightening nut 1-5, detection rod 1-6, flange surface detection plate 4, bridge housing casting 5, distance h from detection rod to bridge housing flange surface, distance m from detection plate to upper outer arc of bridge housing flange, distance n from detection plate to lower outer arc of bridge housing flange. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the specific implementation of the deformation measuring fixture for loader axle housing castings according to the present invention in conjunction with the accompanying drawings.

[0021] Figures 1-9As shown in the utility model discloses a loader axle housing casting's deformation measurement gauge includes detecting the loader axle housing main reduction installation surface direction deformation gauge and detecting the loader axle housing main reduction installation hole direction deformation gauge, the detection loader axle housing main reduction installation surface direction deformation gauge includes axle head detection rod 1, base body rod 2 and flange surface detection rod 3, the base body rod 2 is seamless steel pipe, axle head detection rod 1 and flange surface detection rod 3 structure are same, all are combination, it includes locking screw 1-1, hexagon nut 1-2, guide steel sleeve 1-3, stud 1-4, and tight nut 1-5 and detection rod 1-6, the guide steel sleeve 1-3 is set with a round hole on the upper pipe wall near both ends respectively, the round hole is welded fast after the alignment with hexagon nut 1-2, the lower pipe wall middle part of guide steel sleeve 1-3 is welded with the upper end surface of stud 1-4, the lower section axial of stud 1-4 is provided with threaded hole, detection rod 1-6 is locked after being screwed into the threaded hole with tight nut 1-5, two axle head detection rods 1 are equipped in the near both ends of base body rod 2 through guide steel sleeve 1-3 and correspond with the both ends axle head of bridge shell casting, two flange surface detection rods 3 are equipped in the middle section of base body rod 2 through guide steel sleeve 1-3 and correspond with the both ends flange surface of bridge shell casting respectively, the detection loader axle housing main reduction installation hole direction deformation gauge includes axle head detection rod 1, base body rod 2 and flange surface detection plate 4, the flange surface detection plate 4 is welded in the middle part of base body rod 2, the axle head detection rod 1, base body rod 2 and the axle head detection rod, base body rod of the aforementioned detection loader axle housing main reduction installation surface direction deformation gauge structure are same.

[0022] The following will adopt the detection operation of the utility model loader axle housing casting's deformation measurement gauge and carry out specific description.

[0023] 1、 Figures 1-3 As shown, the deformation detection operation steps of the opposite both ends axle head center axis of loader axle housing main reduction installation surface are as follows:

[0024] (1) the bridge shell casting 5 is placed horizontally;

[0025] (2) according to the detection specific model bridge shell casting length direction size, adjust the axial direction position of both sides axle head detection rod 1, middle section flange surface detection rod 3, and lock with locking screw 4;

[0026] (3) according to the end axle head outer diameter size and bridge shell flange surface to bridge shell center axis height required by bridge shell drawing, adjust the depth of rotation of detection rod 1-6 of both sides axle head detection rod 1, middle section flange surface detection rod 3, lock with tight nut 1-5, when adjusting, the clearance of 5mm is reserved between detection rod 1-6 and bridge shell flange surface;

[0027] (4) if Figure 3As shown, place the adjusted inspection fixture vertically above the bridge housing, and make the shaft head detection rods 1 at both ends close to the highest point of the outer circle of the bridge housing shaft head. Measure the gap size between the two flange surface detection rods 3 in the middle section and the bridge housing flange surface, and compare it with the reserved gap of 5mm. In this way, it can be detected whether the main reducer mounting surface of the bridge housing is deformed relative to the central axis of the shaft heads at both ends, as well as the deformation direction and deformation size.

[0028] 2. Figures 4-9 As shown in the figure, the deformation detection operation steps of the loader axle housing main reducer mounting hole direction are as follows:

[0029] (1) The axle housing casting 5 remains in place and is still placed horizontally in its original direction;

[0030] (2) According to the length dimension of the bridge housing casting of the specific model to be tested, adjust the axial position of the shaft head detection rod 1 on both sides and lock it with the locking screw 1-1;

[0031] (3) According to the requirements of the axle housing drawing, the outer diameter of the shaft heads at both ends and the outer contour arc diameter of the axle housing flange surface position are adjusted to the screw-in depth of the detection rods 1-6 of the shaft head detection rods 1 at both ends, and tightened with the tightening nuts 1-5. When adjusting, a 5mm gap is reserved between the flange surface detection plate 4 and the outer contour arc surface of the axle housing flange;

[0032] (4) Figure 6 As shown, place the adjusted inspection fixture horizontally in the front direction of the axle housing, with the shaft head inspection rods 1 on both sides pressed against the highest point in the front direction of the outer circle of the axle housing shaft head, and measure the gap size between the flange surface inspection plate 4 in the middle section and the outer contour arc surface of the axle housing flange surface;

[0033] (5) Figure 9 As shown, place the inspection fixture horizontally on the rear side of the bridge housing so that the shaft head detection rods 1 at both ends are in close contact with the highest point on the front side of the outer circle of the bridge housing shaft head. Measure the gap size between the flange surface detection plate 4 at the middle section and the arc surface of the outer contour of the bridge housing flange surface, and compare it with the gap size measured in the front direction. This can detect whether the main reducer mounting hole of the bridge housing is deformed relative to the central axis of the shaft heads at both ends, as well as the deformation direction and deformation size.

[0034] The utility model discloses a deformation measuring fixture for loader bridge housing castings, which is suitable for bridge housings of various models and different specifications and lengths. The fixture has a simple structure, is easy to adjust, and has safe and efficient detection operation. It has obvious use effect and greatly improves production efficiency.

Claims

1. A deformation measuring fixture for a loader axle housing casting, characterized by: The invention comprises a testing tool for detecting deformation of the main reducer mounting surface of the loader axle housing and a testing tool for detecting deformation of the main reducer mounting hole of the loader axle housing; The deformation detection tool for detecting the main reduction mounting surface direction of the loader axle housing comprises an axle head detection rod (1), a base rod (2) and a flange surface detection rod (3); the base rod (2) is a seamless steel pipe; the axle head detection rod (1) and the flange surface detection rod (3) have the same structure and are both assemblies, comprising a locking screw (1-1), a hexagonal nut (1-2), a guide steel sleeve (1-3), a stud (1-4), a tightening nut (1-5) and a detection rod (1-6); the guide steel sleeve (1-3) is provided with a circular hole on the upper tube wall near both ends, and the circular hole is aligned with the hexagonal nut. (1-2) are aligned and welded firmly, the middle part of the lower tube wall of the guide steel sleeve (1-3) is welded to the upper end face of the stud (1-4), and the lower section of the stud (1-4) is axially provided with a threaded hole, and the detection rod (1-6) is screwed into the threaded hole and locked with a tightening nut (1-5); the two shaft head detection rods (1) are installed at the near ends of the base rod (2) through the guide steel sleeve (1-3) and correspond to the shaft heads at both ends of the bridge housing casting, and the two flange surface detection rods (3) are installed at the middle section of the base rod (2) through the guide steel sleeve (1-3) and correspond to the two ends of the flange surface of the bridge housing casting respectively; The inspection tool for detecting deformation in the direction of the main reducer mounting hole of a loader axle housing comprises an axle head inspection rod (1), a base rod (2) and a flange surface inspection plate (4); the flange surface inspection plate (4) is welded to the middle part of the base rod (2); the axle head inspection rod (1) and the base rod (2) have the same structure as the axle head inspection rod and the base rod of the aforementioned inspection tool for detecting deformation in the direction of the main reducer mounting surface of a loader axle housing.

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