Oil pump gear tooth width comparison measuring tool

Abstract

The utility model discloses an oil pump gear tooth width comparison measuring tool, and relates to the technical field of oil pump gears. Comprising a bottom plate, an electric sliding rail is installed on the outer surface of the top of the bottom plate, a rotating assembly is installed on the outer surface of the top of a sliding piece of the electric sliding rail, the electric sliding rail is used for driving an oil pump gear to move, and the rotating assembly is used for driving the oil pump gear to rotate; threaded columns are mounted on the outer surface of the top of the placement disc, and the placement disc is in threaded connection with a base through the threaded columns. According to the oil pump gear clamping tool, the base and the containing block are arranged and can form a tool for containing an oil pump gear, one end of the oil pump gear is inserted into the through opening of the containing block, one face of the gear is attached to the outer surface of the top of the containing block, the oil pump gear does not need to be fixed by adjusting a clamping tool subsequently, and the influence caused by human factors is reduced; and the error range is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil pump gear technology field, concretely is a kind of oil pump gear tooth width comparison measurement frock. BACKGROUND

[0002] Oil pump gear is the common component in industrial equipment, mainly for the delivery and pressurization of liquid. Its working principle is that two gears of the same size are meshed and rotated in a tightly fitted shell, thereby realizing the suction and discharge of liquid.

[0003] Using interdental caliper to measure is a common method to measure tooth width, which needs to put interdental caliper into two adjacent teeth, and then read the value on the caliper to obtain the tooth width. However, error is easily generated when using interdental caliper, and a measurement frock is needed to ensure the standard of each measurement, thereby reducing the error caused by human factors. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an oil pump gear tooth width comparison measurement frock to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: an oil pump gear tooth width comparison measurement frock, comprising a bottom plate, an electric sliding rail is installed on the top outer surface of the bottom plate, a rotating assembly is installed on the top outer surface of the sliding part of the electric sliding rail, the electric sliding rail is used to drive the displacement of the oil pump gear, and the rotating assembly is used to drive the rotation of the oil pump gear; a mounting disc is installed on the top outer surface of the rotating assembly, a threaded column is installed on the top outer surface of the mounting disc, and the mounting disc is screwed with a base through the threaded column; four insertion slots are formed on the top outer surface of the base in a ring shape, and an insertion block is inserted into each insertion slot; a same placing block is installed on the top outer surface of the four insertion blocks, a through opening is formed in the inside of the placing block, and the placing block is used to place the oil pump gear; a pressing assembly is rotatably connected to the top outer surface of the mounting disc through a damping bearing, and the pressing assembly is used to press and position the oil pump gear.

[0006] Further, the rotating assembly comprises a bottom disc, a first rotating shaft is connected to the middle of the top outer surface of the bottom disc through a bearing, a first gear is installed on the outer surface of the first rotating shaft, a second rotating shaft is connected to one side of the bottom disc through a bearing, a second gear is installed on the top end of the second rotating shaft, the first gear and the second gear form meshing transmission, and a first belt pulley is installed on the outer surface of the second rotating shaft below the second gear.

[0007] Further, a circular groove is formed on the edge outer surface of the bottom disc, a third rotating shaft is rotatably connected to the inside of the circular groove, an adjusting disc is installed on the outer surface of the third rotating shaft, a second belt pulley is installed on the top end of the third rotating shaft penetrating through the circular groove, and the second belt pulley and the first belt pulley form transmission cooperation through a belt.

[0008] Further, the lower pressing assembly comprises a cylinder, a connecting plate is arranged on the bottom outer surface of the cylinder, a connecting shaft is arranged on the bottom outer surface of the connecting plate, the connecting shaft is connected with a damping bearing, a rectangular box is arranged on the top end of the piston rod of the cylinder, a partition plate is arranged in the middle of the rectangular box, springs are arranged on the two outer surfaces of the rectangular box, and one end of each spring is provided with an electromagnet.

[0009] Further, one side of the rectangular box is provided with a sliding opening, a connecting block is slidably connected in the sliding opening, the connecting block is fixedly connected with the electromagnet, one end of the connecting block is provided with an L-shaped pressing plate, the electromagnet is in sliding fit with the inside of the rectangular box, and the adsorption end of the electromagnet is in adsorption fit with the inner wall of the rectangular box.

[0010] Further, the bottom outer surface of the base is provided with a threaded groove matched with the threaded column, and the base is in a cylindrical shape.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The oil pump gear tooth width ratio measurement tool is provided with a base and a placing block, and the base and the placing block are combined to form a tool for placing the oil pump gear, one end of the oil pump gear is inserted into the through opening of the placing block, and one side of the gear is attached to the top outer surface of the placing block, so that the oil pump gear is fixed without adjusting the clamping tool, the influence of human factors is reduced, and the error range is reduced.

[0013] Meanwhile, the first gear and the second gear are driven to engage and transmit by rotating the adjusting disc, so as to drive the oil pump gears on the base and the placing block to rotate, different measurement requirements are met, and then the oil pump gears can be positioned by the two L-shaped lower pressing plates, the distance between the two L-shaped lower pressing plates can be adjusted according to requirements, different specifications of oil pump gears are adapted, and the factors causing measurement errors are further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the main structure of the utility model;

[0015] Figure 2 It is a schematic view of the vertical cross-section structure of the base and the placing block of the utility model;

[0016] Figure 3 It is a schematic view of the cross-section structure of the rectangular box of the utility model;

[0017] Figure 4 It is a schematic view of the rotating assembly structure of the utility model.

[0018] In the figure: 1, the base plate; 2, electric slide rail; 3, the chassis; 4, the first gear; 5, the second gear; 6, the adjusting disc; 7, the installation disc; 8, the base; 9, the plug block; 10, the placement block; 11, the through hole; 12, the air cylinder; 13, the rectangular box; 14, the spring; 15, the electromagnet; 16, the L-shaped pressing plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] The oil pump gear tooth width ratio measurement tool provided by the utility model can significantly improve the measurement accuracy, can reduce the error caused by human factors, can improve the measurement efficiency, and can enhance the universality and adaptability of the tool, so that the tooth width measurement of the oil pump gear is more accurate and reliable. In the production and quality control links of the oil pump gear, the traditional measurement method has defects such as complicated operation and large error. After the utility model is introduced, the operation process is simplified and the adjustable lower pressing plate is set, so that the oil pump gear is quickly and stably positioned. When different specifications of oil pump gears need to be measured, simple distance adjustment can be performed.

[0021] As Figures 1-4 shown, the utility model provides a technical scheme: a kind of oil pump gear tooth width ratio measurement tool, including base plate 1, the top outer surface of base plate 1 is equipped with electric slide rail 2, and the top outer surface of the sliding part of electric slide rail 2 is equipped with rotating assembly, electric slide rail 2 is used to drive oil pump gear displacement, rotating assembly is used to drive oil pump gear rotation, the top outer surface of rotating assembly is equipped with installation disc 7, and the top outer surface of installation disc 7 is equipped with threaded column, installation disc 7 is connected with base 8 by screwing threaded column, the top outer surface of base 8 is equipped with four ring distribution insertion slot, and the inside of insertion slot is all inserted with plug block 9, the top outer surface of four plug blocks 9 is equipped with same placement block 10, and the inside of placement block 10 is equipped with through hole 11, and placement block 10 is used to place oil pump gear, the top outer surface of installation disc 7 is rotatably connected with lower pressing assembly by damping bearing, and lower pressing assembly is used to lower positioning for oil pump gear.

[0022] It should be noted that first one end of the oil pump gear is inserted into the through hole 11 of the placement block 10, then the adjusting disc of the rotating assembly is rotated to drive the oil pump gear to rotate, so as to determine the position to be measured, then the positioning assembly operates to position the oil pump gear, then the electric slide rail operates to send the oil pump gear to the measuring area, and the measuring tool is matched to measure.

[0023] The rotating assembly comprises a base plate 3, a first rotating shaft is connected to the middle part of the top outer surface of the base plate 3 through a bearing, a first gear 4 is mounted on the outer surface of the first rotating shaft, a second rotating shaft is connected to one side of the base plate 3 through a bearing, and a second gear 5 is mounted on the top end of the second rotating shaft, the first gear 4 and the second gear 5 are in meshing transmission, and a first belt pulley is mounted on the outer surface below the second gear 5.

[0024] It should be noted that the top end of the first rotating shaft is fixedly connected to the bottom outer surface of the placement disc 7.

[0025] A circular groove is formed in the edge outer surface of the base plate 3, a third rotating shaft is rotatably connected to the inside of the circular groove, an adjusting disc 6 is mounted on the outer surface of the third rotating shaft, a second belt pulley is mounted on the top end of the third rotating shaft and penetrates the circular groove, and the second belt pulley and the first belt pulley are in transmission cooperation through a belt.

[0026] It should be noted that wear-resistant grooves are formed at equal distances on the outer surface of the adjusting disc 6 to avoid slipping.

[0027] The pressing assembly comprises a cylinder 12, a connecting plate is mounted on the bottom outer surface of the cylinder 12, a connecting shaft is mounted on the bottom outer surface of the connecting plate, the connecting shaft is connected with a damping bearing, a rectangular box 13 is mounted on the top end of the piston rod of the cylinder 12, a partition plate is mounted in the middle of the inside of the rectangular box 13, springs 14 are mounted on the two outer surfaces of the rectangular box 13, and one end of each spring 14 is mounted with an electromagnet 15.

[0028] It should be noted that the electromagnet 15 is in the shape of a rectangle, the rectangular box 13 is made of metal, and in the case of shutdown, the adsorption end of the electromagnet 15 and the inner wall of the rectangular box 13 also form a sliding fit, the whole pressing assembly can rotate, and interference is avoided when the oil pump gear is worked.

[0029] A sliding opening is formed in one side of the rectangular box 13, a connecting block is slidably connected to the inside of the sliding opening, the connecting block is fixedly connected with the electromagnet 15, an L-shaped pressing plate 16 is mounted on one end of the connecting block, the electromagnet 15 and the rectangular box 13 form a sliding fit, and the adsorption end of the electromagnet 15 and the inner wall of the rectangular box 13 form an adsorption fit.

[0030] It should be noted that a protective pad can be installed on the bottom surface of the L-shaped pressure plate 16 to avoid wear on the oil pump gear, and a shift block is installed on the top surface of the L-shaped pressure plate to adjust the distance between the two L-shaped pressure plates 16.

[0031] The bottom surface of the base 8 is provided with a thread groove adapted to the threaded column, and the base 8 is cylindrical.

[0032] It should be noted that the placement block 10 is also cylindrical, and the outer diameter of the placement block 10 is smaller than the outer diameter of the base 8 .

[0033] Working principle: first, insert one end of the oil pump gear into the opening 11 of the placement block 10, and then rotate the adjusting disk 6 to drive the oil pump gear to rotate through the second pulley, belt, second pulley, second gear 5 and first gear 4, so as to determine the position to be measured, and then pull the two shift blocks to adjust the spacing between the two L-shaped pressure plates 16, and then the two electromagnets 15 run to form an adsorption fit with the inner wall of the rectangular box 13, thereby positioning the two L-shaped pressure plates 16, and then the cylinder 12 runs and contracts, allowing the two L-shaped pressure plates 16 to press down and position the oil pump gear, and finally the electric slide rail 2 runs to send the oil pump gear to the measuring area, and wait for the measuring tool to measure.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited by the accompanying embodiments and their equivalents.

Claims

1. An oil pump gear tooth width ratio measurement tooling comprising a base plate (1) characterised in that: The top outer surface of the bottom plate (1) is provided with an electric sliding rail (2), and the sliding part of the electric sliding rail (2) is provided with a rotating assembly on the top outer surface, the electric sliding rail (2) is used for driving the displacement of the oil pump gear, the rotating assembly is used for driving the rotation of the oil pump gear, the top outer surface of the rotating assembly is provided with a mounting disc (7), the top outer surface of the mounting disc (7) is provided with a threaded column, the mounting disc (7) is screwed with a base (8) through the threaded column, the top outer surface of the base (8) is provided with four insertion slots arranged in a ring shape, and the inside of the insertion slot is provided with an insertion block (9), the top outer surface of the four insertion blocks (9) is provided with the same placement block (10), and the inside of the placement block (10) is provided with a through hole (11), the placement block (10) is used for placing the oil pump gear, and the top outer surface of the mounting disc (7) is rotatably connected with a pressing assembly through a damping bearing, and the pressing assembly is used for pressing and positioning the oil pump gear.

2. The oil pump gear tooth width ratio measuring tool according to claim 1, characterized in that: The rotating assembly comprises a bottom disc (3), and the top outer surface of the bottom disc (3) is provided with a first rotating shaft in the middle, the first rotating shaft is provided with a first gear (4) on the outer surface, one side of the bottom disc (3) is provided with a second rotating shaft through a bearing, and the top end of the second rotating shaft is provided with a second gear (5), the first gear (4) and the second gear (5) are in meshing transmission, and the second rotating shaft is provided with a first belt pulley on the outer surface below the second gear (5).

3. The oil pump gear tooth width ratio measuring tool of claim 2, wherein: The edge outer surface of the bottom disc (3) is provided with a circular groove, and the inside of the circular groove is rotatably connected with a third rotating shaft, the outer surface of the third rotating shaft is provided with an adjusting disc (6), and the top end of the third rotating shaft is provided with a second belt pulley penetrating through the circular groove, and the second belt pulley and the first belt pulley are in transmission cooperation through a belt.

4. The oil pump gear tooth width ratio measuring tool of claim 1, wherein: The bottom outer surface of the cylinder (12) is provided with a connecting plate, the bottom outer surface of the connecting plate is provided with a connecting shaft, the connecting shaft is connected with the damping bearing, the top end of the piston rod of the cylinder (12) is provided with a rectangular box (13), the inside of the rectangular box (13) is provided with a partition plate, the outer surfaces of the two sides of the rectangular box (13) are provided with springs (14), and one end of the spring (14) is provided with an electromagnet (15).

5. An oil pump gear tooth width ratio measurement tool as claimed in claim 4, wherein: One side of the rectangular box (13) is provided with a sliding opening, the inside of the sliding opening is slidably connected with a connecting block, the connecting block is fixedly connected with the electromagnet (15), and one end of the connecting block is provided with an L-shaped pressing plate (16), the electromagnet (15) and the inside of the rectangular box (13) are in sliding cooperation, and the adsorption end of the electromagnet (15) and the inner wall of the rectangular box (13) are in adsorption cooperation.

6. The oil pump gear tooth width ratio measurement tool of claim 1, wherein: The bottom outer surface of the base (8) is provided with a threaded groove matched with the threaded column, and the base (8) is in a cylindrical shape.

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