Gear transmission type electric drawing instrument

Abstract

The utility model discloses a gear transmission type electric drawing instrument which comprises an operation box body, a screw rod is movably embedded in the center position of the operation box body, a detector connecting structure is arranged at the bottom end of the screw rod, installation supporting structures are arranged on the two sides of the operation box body, and a gear driving structure is arranged in the operation box body. According to the technical field of drawing detection, a mounting supporting structure capable of being rapidly disassembled and assembled and a detector connecting structure are adopted, during transportation and storage, a supporting plate and a detector can be rapidly disassembled, the overall occupied space of equipment is reduced, kinetic energy transmission in the drawing process is carried out by adopting a gear transmission mode structure, and the production efficiency is improved. The problems that when a rocker of a traditional manual drawing instrument is drawn, kinetic energy transmission is not stable in the drawing process, and holding in the drawing process is not good are solved, and therefore the detection process is more stable, detection results are more consistent, and data are more reliable and accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of drawing detection, in particular to an electric drawing instrument with a gear transmission mode. Background Art

[0002] Most of the pulling instruments on the market now have an integral structure. When they are stored and transported, they occupy a large space, which is not conducive to storage and overall transportation and movement operations. In addition, most of them use a manual joystick to perform pulling tests or a manual oil cylinder pump to perform pulling tests. When the manual method is used for testing, the holding position cannot be well controlled. In view of this, there may be technical means to solve the above problems in the prior art, but this case intends to provide an alternative or replacement technical solution. Utility Model Content

[0003] To achieve the above purpose, the utility model is implemented through the following technical solutions: an electric puller with gear transmission, including an operating box, a screw rod is movably embedded in the center of the operating box, a detector connection structure is provided at the bottom end of the screw rod, mounting support structures are provided on both sides of the operating box, and a gear driving structure is provided in the operating box;

[0004] The detector connection structure comprises: an operating nut, a connecting sleeve, a connecting rod, a connecting block and a detector body;

[0005] The operating nut is movably mounted on the bottom end of the screw rod, the connecting sleeve is fixedly installed on the lower end of the operating nut, the top end of the connecting rod is movably embedded in the connecting sleeve, the connecting block is movably mounted on the lower end of the connecting rod, and the detector body is fixedly installed on the lower end of the connecting block.

[0006] The mounting support structure comprises: a plurality of mounting holes, two support plates and a plurality of fixing bolts;

[0007] The plurality of mounting holes are respectively opened on the wall surfaces on both sides of the operating box body, the two support plates are respectively located on both sides of the operating box body, and the plurality of fixing bolts are respectively movably embedded in the two support plates and the plurality of mounting holes.

[0008] Preferably, the gear drive structure comprises: a motor, a first gear, a linkage gear, two mounting bearings, a worm and a second gear;

[0009] The motor is fixedly mounted on one side of the operating box body, the first gear is fixedly mounted on the driving end of the motor, the linkage gear is mounted on one side of the operating box body and meshes with the first gear, the two mounting bearings are respectively mounted on one side of the operating box body, both ends of the worm are movably embedded in the two mounting bearings, the second gear is fixedly mounted on one side of the worm, and the second gear meshes with the linkage gear.

[0010] Preferably, an internal thread is processed on the inner side of the lower end of the connecting sleeve.

[0011] Preferably, the outer side of the connecting rod is processed with external threads.

[0012] Preferably, an internal thread is processed on the upper wall surface of the connection block.

[0013] Beneficial Effects

[0014] The utility model provides an electric pulling instrument with a gear transmission method, which has the following beneficial effects: the case adopts a mounting support structure and a detector connecting structure that can be quickly disassembled and assembled, and the support plate and the detector can be quickly disassembled during transportation and storage, reducing the overall space occupied by the equipment, and adopts a gear transmission method structure to transmit kinetic energy during the drawing process, which solves the problem of unstable kinetic energy transmission during the pulling process and poor holding of the pulling process when the traditional manual pulling instrument rocker is pulled, thereby making the detection process more stable, the detection results more consistent, and the data more reliable and accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main unfolded three-dimensional structure of a gear-driven electric puller according to the utility model.

[0016] Figure 2 This is a schematic diagram of the main cross-sectional structure of a gear-driven electric puller according to the utility model.

[0017] Figure 3 It is a partial three-dimensional structural schematic diagram of an electric pulling instrument with a gear transmission mode described in the utility model.

[0018] Figure 4 It is a side view cross-sectional structural schematic diagram of an electric pulling instrument with a gear transmission mode described in the utility model.

[0019] In the figure: 1. support plate, 2. operating box, 3. control box, 4. motor, 5. first gear, 6. linkage gear, 7. mounting bearing, 8. worm, 9. second gear, 10. auxiliary bearing, 11. limiting sleeve, 12. threaded sleeve, 13. worm gear, 14. lead screw, 15. limiting groove, 16. connecting block, 17. fixed shaft, 18. operating nut, 19. connecting sleeve, 20. connecting rod, 21. detector body, 22. mounting hole, 23. fixing bolt. DETAILED DESCRIPTION

[0020] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0021] Example: See Figure 1-4 In order to solve the problems of unstable kinetic energy transmission during the pulling process, poor holding during the pulling process, and inconvenience in storage and transportation when the rocker of the traditional manual puller is pulled, a gear transmission electric puller is set up, including an operating box 2, a screw rod 14 is movably embedded in the center of the operating box 2, a detector connection structure is provided at the bottom end of the screw rod 14, installation support structures are provided on both sides of the operating box 2, and a gear drive structure is provided in the operating box 2;

[0022] The detector connection structure includes: an operating nut 18, a connecting sleeve 19, a connecting rod 20, a connecting block 16 and a detector body 21;

[0023] The operating nut 18 is movably mounted on the bottom end of the screw rod 14, the connecting sleeve 19 is fixedly installed on the lower end of the operating nut 18, the top of the connecting rod 20 is movably embedded in the connecting sleeve 19, the connecting block 16 is movably mounted on the lower end of the connecting rod 20, and the detector body 21 is fixedly installed on the lower end of the connecting block 16.

[0024] In order to avoid damage to the detector body 21 and facilitate replacement of the detector body 21, the operating nut 18 is provided to achieve quick connection between the connecting sleeve 19 and the screw rod 14. At the same time, the internal thread of the connecting sleeve 19 cooperates with the external thread of the connecting rod 20 to achieve quick installation of the connecting rod 20. At the same time, the internal thread at the upper end of the connecting block 16 cooperates with the external thread at the upper end of the connecting rod 20 to achieve quick fixation of the connecting rod 20 and the connecting block 16, thereby ensuring the overall fixing effect of the detector body 21 and facilitating quick replacement of the detector body 21.

[0025] The mounting support structure includes: a plurality of mounting holes 22, two support plates 1 and a plurality of fixing bolts 23;

[0026] A plurality of mounting holes 22 are respectively opened on the wall surfaces of both sides of the operation box body 2 , and the two support plates 1 are respectively located on both sides of the operation box body 2 . A plurality of fixing bolts 23 are respectively movably embedded in the two support plates 1 and the plurality of mounting holes 22 .

[0027] When in use, multiple fixing bolts 23 can be embedded in the support plate 1 and the mounting hole 22 to fix the two support plates 1 on both sides of the operating box 2 respectively. The operating box 2 is supported as a whole by the two support plates 1, and the two support plates 1 can be quickly disassembled during storage and transportation, which can effectively reduce the overall occupied space.

[0028] The gear drive structure includes: a motor 4, a first gear 5, a linkage gear 6, two mounting bearings 7, a worm 8, and a second gear 9;

[0029] It also includes a control box 3, which is located on one side of the operation box 2;

[0030] The motor 4 is fixedly mounted on one side of the operating box 2, the first gear 5 is fixedly mounted on the driving end of the motor 4, the linkage gear 6 is mounted on one side of the operating box 2 and meshes with the first gear 5, two mounting bearings 7 are respectively mounted on one side of the operating box 2, both ends of the worm 8 are movably embedded in the two mounting bearings 7, the second gear 9 is fixedly mounted on one side of the worm 8, and the second gear 9 meshes with the linkage gear 6;

[0031] It also includes: two auxiliary bearings 10 and a limiting sleeve 11;

[0032] The two auxiliary bearings 10 are respectively installed on the upper wall and the lower wall of the operating box 2 . The limiting sleeve 11 is fixedly embedded in the lower wall of the operating box 2 . A limiting protrusion is provided on one side of the limiting sleeve 11 .

[0033] It also includes: a threaded sleeve 12, a worm gear 13 and a limiting groove 15;

[0034] The two ends of the threaded sleeve 12 are movably embedded in the two auxiliary bearings 10 respectively, the worm wheel 13 is fixedly sleeved on the outside of the threaded sleeve 12 and meshes with one side of the worm 8, the screw rod 14 is movably embedded in the threaded sleeve 12, and the limiting groove 15 is opened on one side of the screw rod 14.

[0035] The limiting groove 15 is movably sleeved on the limiting protrusion on one side of the limiting sleeve 11 .

[0036] A fixed shaft 17 is provided at the connection between the linkage gear 6 and the operating box 2 .

[0037] When in use, the staff first moves the device to the designated position, supports the device through the two support plates 1, connects the device to the test workpiece through the connecting block 16 at the bottom of the screw 14, and then drives the motor 4 to work through the control box 3, and drives the second gear 9 at one end of the worm 8 to rotate through the first gear 5 and the linkage gear 6, so that the worm 8 rotates between the two mounting bearings 7. At the same time, under the cooperation of the worm 8 and the worm wheel 13, the worm wheel 13 and the threaded sleeve 12 rotate in the two auxiliary bearings 10. The limiting protrusion on one side of the positioning sleeve 11 cooperates to prevent the screw rod 14 from rotating. Therefore, during the rotation of the threaded sleeve 12, the screw rod 14 is lifted and lowered in the threaded sleeve 12, driving the connecting block 16 to adjust the height. The pulling test is performed on the test workpiece at the lower end of the connecting block 16. The motor 4 can maintain a good uniform rotation speed. When the motor 4 rotates at a uniform speed, it will drive the screw to move up and down at a uniform speed, thereby realizing a uniform speed and force pulling test. The limiting groove 15 is movably mounted on the limiting protrusion on one side of the limiting sleeve 11, and a fixed shaft 1 is provided at the connection between the linkage gear 6 and the operating box 2.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gear-driven electric puller, comprising an operating box, It is characterized in that A screw rod is movably embedded in the center of the operating box, a detector connection structure is provided at the bottom of the screw rod, mounting support structures are provided on both sides of the operating box, and a gear drive structure is provided in the operating box; The detector connection structure comprises: an operating nut, a connecting sleeve, a connecting rod, a connecting block and a detector body; The operating nut is movably mounted on the bottom end of the screw rod, the connecting sleeve is fixedly installed on the lower end of the operating nut, the top end of the connecting rod is movably embedded in the connecting sleeve, the connecting block is movably mounted on the lower end of the connecting rod, and the detector body is fixedly installed on the lower end of the connecting block.

2. The electric puller with gear transmission according to claim 1, It is characterized in that The mounting support structure comprises: a plurality of mounting holes, two support plates and a plurality of fixing bolts; The plurality of mounting holes are respectively opened on the wall surfaces on both sides of the operating box body, the two support plates are respectively located on both sides of the operating box body, and the plurality of fixing bolts are respectively movably embedded in the two support plates and the plurality of mounting holes.

3. The electric puller with gear transmission according to claim 1, It is characterized in that The gear drive structure comprises: a motor, a first gear, a linkage gear, two mounting bearings, a worm and a second gear; The motor is fixedly mounted on one side of the operating box body, the first gear is fixedly mounted on the driving end of the motor, the linkage gear is mounted on one side of the operating box body and meshes with the first gear, the two mounting bearings are respectively mounted on one side of the operating box body, both ends of the worm are movably embedded in the two mounting bearings, the second gear is fixedly mounted on one side of the worm, and the second gear meshes with the linkage gear.

4. The electric puller with gear transmission according to claim 1, It is characterized in that An internal thread is processed on the inner side of the lower end of the connecting sleeve.

5. The electric puller with gear transmission according to claim 1, It is characterized in that The outer side of the connecting rod is processed with external threads.

6. The electric puller with gear transmission according to claim 1, It is characterized in that An internal thread is processed on the upper wall surface of the connection block.

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