Thread parameter detection structure for determining abrasion loss of anvil block of tooth height gauge

Abstract

The utility model relates to a thread parameter detection structure for determining the abrasion loss of an anvil block of a tooth height gauge, which comprises a detection sample piece, a bottom plate, an adsorption type fixing piece and a clamping type fixing assembly, and the adsorption type fixing piece adopts a magnet; the whole detection sample piece is in a semi-arc bent plate shape, and a standard threaded groove is formed in the outer side face of the detection sample piece. The bottom plate is transversely fixed at positions, close to two ends, of the inner side of the detection sample piece; bottom grooves are formed in the two sides of the bottom end of the bottom plate respectively, and magnets are fixed in the bottom grooves. The clamping type fixing assembly is arranged on the rear side of the bottom plate and is detachably and fixedly connected with the bottom plate through a connecting plate extending into the upper end of the bottom plate. The detection structure can be used for detecting the abrasion loss of the equal-pitch groove on the anvil block of the tooth height gauge.

Description

TECHNICAL FIELD

[0001] The utility model belongs to thread parameter detection technical field, concretely relates to a kind of thread parameter detection structure for determining tooth height gauge anvil block wear amount. BACKGROUND

[0002] Tooth height gauge needs to be calibrated in U-shaped groove on calibration block before use, and V-shaped groove is used to check probe wear degree.But since calibration block contact surface is plane, it covers the case that tooth height gauge anvil block wears equal-pitch groove.In measurement process, since anvil block appears equal-pitch groove, tooth tip will be embedded in groove, leading to inaccurate reading during measurement, and it can appear that measurement reading is qualified, but actual parameter is unqualified.Therefore, after long-term use of tooth height gauge, equal-pitch groove wear appears in tooth height gauge anvil block, and there is no way to test this wear degree at present.

[0003] Therefore, it is necessary to design a thread parameter detection structure, which is used to determine tooth height gauge anvil block wear amount, compensate the wear amount to detection value of thread on part by tooth height gauge, so as to ensure the accuracy of measurement result. CONTENT OF UTILITY MODEL

[0004] The utility model discloses a kind of thread parameter detection structures for determining tooth height gauge anvil block wear amount, which are simple in structure and convenient to use.

[0005] The above purposes of the utility model are realized by the following technical solutions.

[0006] A thread parameter detection structure for determining tooth height gauge anvil block wear amount includes a detection sample, a bottom plate, a suction type fixing part, and a clamping type fixing assembly.

[0007] The detection sample is in the shape of a semicircular arc, and a standard thread groove is provided on the outer side of the detection sample.The bottom plate is fixed to the inner side of the detection sample near both ends in the horizontal direction.The bottom plate has a bottom groove on both sides of the bottom end, and a magnet is fixed in the bottom groove.The clamping type fixing assembly is provided on the back side of the bottom plate and is detachably connected to the bottom plate through a connecting plate extending to the upper end of the bottom plate.

[0008] Moreover, the clamping type fixing assembly comprises a U-shaped fixing frame, the connecting plate, a pressing plate and a pressing screw; the U-shaped fixing frame is in contact with the rear end surface of the bottom plate in a manner that the opening faces outward; the top of the front end of the U-shaped fixing frame is welded and fixed with the connecting plate, the connecting plate is detachably connected with the bottom plate through mounting screws; a threaded through hole is formed in the bottom edge of the U-shaped fixing frame, the pressing screw is rotatable in the threaded through hole, the pressing plate is arranged at a position close to the bottom plate inside the U-shaped fixing frame, and the lower end of the pressing plate is rotatably connected with the upper end of the pressing screw in a manner of limiting in the up-down direction; the clamping groove is formed between the upper end of the pressing plate and the lower end of the top of the U-shaped fixing frame.

[0009] Moreover, two fixed feet are arranged at the two sides in the sample piece respectively, and a supporting plate is arranged at the lower end of the two fixed feet and connected with the two fixed feet through fixing screws, thereby forming a sample piece reinforcing structure.

[0010] The utility model has the advantages and positive effects that:

[0011] 1. The utility model discloses a detection sample piece provided with a standard thread groove, and the depth of the equal-pitch groove worn on the anvil of the tooth height gauge is quantitatively detected by inserting the center of the tooth height gauge into the groove bottom of the standard thread groove and making the equal-pitch groove worn on the anvil of the tooth height gauge contact the tooth top of the standard thread groove.

[0012] 2. The utility model discloses two kinds of structures for fixing the detection sample piece, namely the adsorption type fixing piece and the clamping type fixing assembly, and the detection sample piece can be magnetically attracted and fixed on some metal parts by the two groups of magnets, and the detection is assisted.

[0013] 3. The utility model discloses a sample piece reinforcing structure formed by the two fixed feet and the supporting plate in the detection sample piece

[0014] 4. The utility model discloses a sample piece main body, a fixed foot, a threaded hole, an opening, a supporting plate and a fixing screw, which reinforce the internal structure and reduce the stress deformation of the sample piece in use.

[0015] In conclusion, the thread parameter detection structure not only realizes detection of the equal-pitch groove wear on the gage anvil, but also realizes auxiliary fixation of the detection standard sample, and realizes convenient support and reinforcement of the internal structure of the detection sample, and has the advantages of simple structure and convenient use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view (partially sectioned) of the utility model;

[0017] Figure 2 It is a bottom view of the detection sample of the utility model;

[0018] Figure 3 It is a perspective view of the detection sample of the utility model;

[0019] Figure 4 It is a side view of the fixed frame of the utility model.

[0020] In the figure: 1, bottom plate; 2, detection sample; 3, thread groove; 4, fixed foot; 5, thread hole; 6, opening; 7, support plate; 8, fixed screw; 9, connecting plate; 10, bottom groove; 11, magnet; 12, fixed frame; 13, compression screw; 14, mounting screw; 15, stop plate; 16, screw hole; 17, thread hole. DETAILED DESCRIPTION

[0021] The structure of the utility model will be further described below in combination with the drawings and through examples. It should be noted that the examples are narrative rather than limiting.

[0022] A thread parameter detection structure for determining the wear amount of a gage anvil block, please see Figures 1-4 The invention point is: including detection sample 2, bottom plate 1, adsorption type fixing part, clamping type fixing assembly, sample reinforcing structure. The adsorption type fixing part adopts a magnet.

[0023] The detection sample is in the shape of a semicircular arc bending plate as a whole, and a standard thread groove 3 is arranged on the outer side surface of the detection sample. According to the actual detection needs, the standard thread groove has two specifications, i.e. 8 teeth per inch and 10 teeth per inch.

[0024] The bottom plate is fixed to the inner side of the detection sample near both ends in the transverse direction. The bottom plate is used to realize installation of the adsorption type fixing part and the clamping type fixing assembly.

[0025] The clamping type fixing assembly includes a U-shaped fixing frame, a connecting plate, a resisting plate and a pressing screw.

[0026] The bottom end of the mounting screw 14 penetrates the inside of the connecting plate 9 and is threadedly connected in the threaded hole 17, the top end of the pressing screw 13 penetrates the inside of the threaded hole 16 and is movably connected with the bottom end of the resisting plate 15 (limited in the up-down direction and can be relatively rotated in the circumferential direction), the bottom end of the bottom plate 1 is provided with a bottom groove 10 on each side, and the inside of the bottom groove 10 is fixed with a magnet 11.

[0027] Specifically, as shown in Figure 1 and Figure 4 magnets 11 are fixed at the two ends of the bottom of the bottom plate 1, respectively, two groups of magnets 11 can be used to magnetically attract and fix the detection sample on some metal parts, and assist in the use of detection, when magnetic attraction and fixation are not available, the fixing frame 12 can be installed and fixed on the bottom plate 1 by using the mounting screw 14, then the fixing frame 12 can be inserted outside some flat plate, and then the pressing screw 13 is rotated to drive the resisting plate 15 to move upward and abut against the bottom of the plate, so that the detection sample can be clamped and fixed, and the use of detection is assisted. The upper end of the resisting plate and the top end of the U-shaped fixing frame form a clamping groove.

[0028] A fixing foot 4 is fixed at each side of the inside of the detection sample 2, and a threaded hole 5 is formed in the fixing foot 4, a supporting plate 7 is arranged at the bottom end of the fixing foot 4, an opening 6 is formed in the inside of each side of the bottom end of the supporting plate 7, and a fixing screw 8 is arranged at each side of the bottom end of the supporting plate 7, the threaded hole 5 penetrates the inside of the fixing foot 4, the opening 6 penetrates the inside of the supporting plate 7, the top end of the fixing screw 8 penetrates the inside of the opening 6 and is threadedly connected in the threaded hole 5, and the fixing foot 4 is symmetrically arranged about the vertical center line of the supporting plate 7.

[0029] Specifically, as shown in Figure 1 and Figure 2 the supporting plate 7 is transversely installed and fixed on the inside of the detection sample 2 by using the fixing screw 8, and the inside structure of the sample can be assisted to be supported by using the supporting plate 7 and the fixing foot 4, so as to strengthen the inside structure and reduce the stress deformation of the sample during use.

[0030] The working principle of the thread parameter detection structure for determining the wear amount of the anvil block of the tooth height gauge is as follows:

[0031] In use, two ends of the bottom plate 1 are fixed with magnets 11 respectively, and the two groups of magnets 11 can be used to magnetically fix the detection sample on some metal parts, assisting the use of detection, when magnetic fixation is not available, the fixing frame 12 can be installed and fixed on the bottom plate 1 by using the installation screw 14, then the fixing frame 12 can be inserted outside some flat panel surface, then the pressing screw 13 is rotated to drive the abutting plate 15 to move upwards and abut against the bottom of the panel surface, and then the detection sample can be clamped and fixed, assisting the use of detection, the sample uses a standard thread type, the sample can be used to quantitatively detect the groove depth of the equal-pitch groove worn by the tooth height gauge block, and according to the tooth height tolerance specified by API.5B and the internal control tolerance required by the specific use, the equal-pitch groove wear depth limit can be determined.

[0032] Although the embodiments and drawings of the utility model are disclosed for the purpose of illustration, those skilled in the art can understand that various substitutions, changes and modifications are possible without departing from the spirit of the utility model and the appended claims, therefore, the scope of the utility model is not limited to the contents disclosed by the embodiments and drawings.

Claims

1. A thread parameter detection structure for determining the amount of wear of a gage block of a tooth height gage, characterized by: Including detection sample, bottom plate, adsorption type fixing part, clamping type fixing assembly, the adsorption type fixing part adopts magnet; The detection sample is semicircular arc bending plate, and standard thread groove is arranged on the outer side of the detection sample; the bottom plate is fixed on the inner side of the detection sample near both ends in the transverse direction; bottom grooves are respectively formed on both sides of the bottom end of the bottom plate, and magnets are fixed in the bottom grooves; the clamping type fixing assembly is arranged on the rear side of the bottom plate and is detachably connected with the bottom plate through the connecting plate extending into the upper end of the bottom plate.

2. The thread parameter detection structure for determining the amount of wear of the anvil block of a profile gauge according to claim 1, characterized in that: The clamping type fixing assembly includes U-shaped fixing frame, connecting plate, resisting plate and pressing screw; the U-shaped fixing frame is in contact with the rear end face of the bottom plate in the form that the opening faces outward; the top of the front end of the U-shaped fixing frame is welded with the connecting plate, and the connecting plate is detachably connected with the bottom plate through mounting screws; threaded holes are formed on the bottom edge of the U-shaped fixing frame, the pressing screw is rotated in the threaded holes, the resisting plate is arranged on the inner side of the U-shaped fixing frame close to the bottom plate, and the lower end of the resisting plate is relatively rotatably connected with the upper end of the pressing screw in the form of limiting in the up-down direction; the clamping groove is formed between the upper end of the resisting plate and the lower end of the top of the U-shaped fixing frame.

3. The thread parameter detection structure for determining the amount of wear of the anvil block of a profile gauge according to claim 1, characterized in that: Two fixed feet are respectively fixed on both sides of the inner side of the detection sample, and supporting plates are arranged on the lower ends of the two fixed feet; the two ends of the supporting plates are respectively connected with the two fixed feet through fixed screws, thereby forming the sample reinforcing structure.

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