High-strength bolt anti-sliding experiment platform

Abstract

The utility model relates to the technical field of bolt experiments, and discloses a high-strength bolt anti-sliding experiment platform which comprises a base plate, one side of the middle of the upper surface of the base plate is fixedly connected with one side of a trapezoidal sliding groove frame through a connecting rod, and a body type sliding groove in the middle of the other side of the trapezoidal sliding groove frame is slidably connected with one side of a trapezoidal sliding block. The other side of the trapezoidal sliding block is fixedly connected to one side of the front end of a single-tooth rectangular tooth groove plate in a sleeving mode, and the tail end of the single-tooth rectangular tooth groove plate is fixedly connected with one end of an arc-shaped moving rod. According to the high-strength bolt anti-sliding experiment platform, a double-tooth rectangular tooth groove plate is stressed to move horizontally, two transverse anti-sliding plates and a pushing rod move towards the position of a bolt, and the effects that the bolt is fixed from three positions, and the bolt is prevented from sliding in an anti-sliding experiment are achieved; the problems that a traditional anti-sliding experiment platform is poor in bolt fixing effect, and experiment errors are likely to be generated are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bolt experiments, in particular to a high-strength bolt anti-slip experimental platform. Background Art

[0002] Bolts made of high-strength steel or that require a large pre-tightening force are called high-strength bolts. High-strength bolts are mostly used for the connection of bridges, rails, high-pressure and ultra-high-pressure equipment. In order to ensure the quality of construction projects, we usually measure the anti-slip coefficient of the connection surface of high-strength bolts of steel structures through experimental methods to ensure the quality of high-strength bolts of steel structures.

[0003] At present, in the traditional anti-slip test of high-strength bolts, due to the low surface friction of high-strength bolts, displacement is easily generated during the anti-slip test, resulting in experimental errors, affecting the evaluation results of high-strength bolts and delaying the normal use of the bolts. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a high-strength bolt anti-slip test platform, which has the ability to stably and quickly limit the high-strength bolts, prevent the bolts from sliding during the anti-slip test, ensure the accuracy of the experimental data, avoid the generation of experimental errors, and prevent the bolts from flying and damaging the experimental platform during the experiment, thereby increasing the service life of the experimental platform and improving the safety of operators. It solves the problem that in the current traditional anti-slip test of high-strength bolts, due to the small surface friction of the high-strength bolts, displacement is easily generated during the anti-slip test, resulting in errors in the experiment, affecting the evaluation results of the high-strength bolts, and delaying the normal use of the bolts.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned stable and rapid limiting processing of high-strength bolts, prevent the bolts from sliding displacement during anti-slip experiments, ensure the accuracy of experimental data, avoid the generation of experimental errors, and at the same time prevent the bolts from being damaged by the force of bouncing off during the experiment, thereby increasing the service life of the experimental platform and improving the safety of operators, the utility model provides the following technical solutions: a high-strength bolt anti-slip experimental platform, including a base plate, one side of the middle part of the upper surface of the base plate is fixedly connected to one side of a trapezoidal slide frame through a connecting rod, the body slide in the middle part of the other side of the trapezoidal slide frame is slidably connected to one side of the trapezoidal slider, the other side of the trapezoidal slider is fixedly sleeved on one side of the front end of the single-tooth rectangular tooth groove plate, the end of the single-tooth rectangular tooth groove plate is fixedly connected to one end of the arc-shaped moving rod, and the other end of the arc-shaped moving rod is fixedly connected to one side of the transverse anti-slip plate through a connecting block.

[0008] The side of the single-tooth rectangular tooth groove plate away from the trapezoidal slider is meshed with the teeth on one side of the outer circumferential surface of the spur gear through the teeth, and the teeth on the other side of the outer circumferential surface of the spur gear are meshed with the teeth on one side of the double-tooth rectangular tooth groove plate, one end of the double-tooth rectangular tooth groove plate is fixedly connected to one end of the moving rod, the inner side of the other end of the moving rod is fixedly connected to one end of the sliding rod, the other end of the sliding rod is slidably connected to the arc track on the outer circumferential surface of the threaded track rod, one end of the threaded track rod is fixedly connected to the output shaft on one side of the bidirectional motor, and the bottom of the bidirectional motor is fixedly arranged in the middle of one end of the base plate through a connecting plate.

[0009] Preferably, there are two transverse anti-skid plates, and an anti-collision groove is provided in the middle of one end of each of the two transverse anti-skid plates, the width of the anti-collision groove is greater than the height of the vertical anti-skid plate, and there are two single-tooth rectangular tooth plates at one end of the transverse anti-skid plate, and the two single-tooth rectangular tooth plates are staggered up and down on both sides of the double-tooth rectangular tooth plate.

[0010] Preferably, the middle part of the spur gear is rotatably arranged on the upper surface of the base plate through a rotating rod, the number of the spur gears is two, and the two spur gears are symmetrically arranged on both sides of the double-tooth rectangular tooth plate, and the thickness of the spur gear is greater than the sum of the two single-tooth rectangular tooth plates and the double-tooth rectangular tooth plate.

[0011] Preferably, support plates are rotatably provided at both ends of the threaded track rod through a rotating rod, the bottom of the support plate is fixedly provided on the upper surface of the base plate, and the width of the arc track on the surface of the threaded track rod is the same as the diameter of the sliding rod.

[0012] Preferably, a protective cover is fixedly provided on the upper surface of the base plate, the protective cover is higher than the top of the spur gear, and the end of the protective cover is located on the inner side of one end of the transverse anti-slip plate.

[0013] Preferably, a slider is provided at the bottom of the double-tooth rectangular tooth groove plate, and the slider is slidably set on the inner wall of the slide groove on the upper surface of the base plate. A push rod is fixedly provided at the end of the double-tooth rectangular tooth groove plate, and an anti-skid plate is fixedly provided at the end of the push rod away from the double-tooth rectangular tooth groove plate, and the anti-skid plate is arranged concentrically with the transverse anti-skid plate.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a high-strength bolt anti-slip test platform, which has the following beneficial effects:

[0016] 1. The high-strength bolt anti-slip test platform achieves the effect of fixing the bolts from three positions and preventing the bolts from sliding during the anti-slip test by means of the horizontal movement of the double-tooth rectangular tooth plate under force, and the movement of two transverse anti-slip plates and the push rod toward the bolt position, thus solving the problem that the traditional anti-slip test platform has poor fixing effect on the bolts and is prone to experimental errors.

[0017] 2. The high-strength bolt anti-slip test platform can stably and quickly limit the high-strength bolts to prevent the bolts from sliding during the anti-slip test, ensure the accuracy of the experimental data, avoid the generation of experimental errors, and prevent the bolts from flying and damaging the experimental platform during the experiment, thereby increasing the service life of the experimental platform and improving the safety of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure inside the protective cover of the utility model;

[0019] Figure 2 This is a top view of the internal structure of the protective cover of the utility model;

[0020] Figure 3 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0021] Figure 4 This is a three-dimensional structural diagram of a double-tooth rectangular tooth plate of the utility model;

[0022] Figure 5 It is a schematic diagram of the left side structure of the utility model.

[0023] In the figure: 1 base plate, 2 moving rod, 3 double-tooth rectangular tooth plate, 4 spur gear, 5 single-tooth rectangular tooth plate, 6 trapezoidal slider, 7 trapezoidal slide frame, 8 vertical anti-skid plate, 9 arc-shaped moving rod, 10 horizontal anti-skid plate, 11 push rod, 12 slide rod, 13 threaded track rod, 14 bidirectional motor, 15 support plate, 16 protective cover. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5A high-strength bolt anti-slip experimental platform includes a base plate 1, a protective cover 16 is fixedly arranged on the upper surface of the base plate 1, the protective cover 16 is higher than the top of the spur gear 4, and the end of the protective cover 16 is located on the inner side of one end of the transverse anti-slip plate 10. The anti-slip cover 16 effectively protects the equipment from being contaminated by impurities. At the same time, the higher-set protective cover 16 prevents movement conflicts with the spur gear 4. One side of the middle part of the upper surface of the base plate 1 is fixedly connected to one side of the trapezoidal slide frame 7 through a connecting rod, and the body slide in the middle of the other side of the trapezoidal slide frame 7 is slidably connected to one side of the trapezoidal slider 6. The other side of the trapezoidal slider 6 is fixedly sleeved on one side of the front end of the single-tooth rectangular tooth groove plate 5, and the end of the single-tooth rectangular tooth groove plate 5 is fixedly connected to one end of the arc-shaped moving rod 9. The other end of the arc-shaped moving rod 9 is fixedly connected to one side of the transverse anti-slip plate 10 through a connecting block. There are two transverse anti-slip plates 10. The middle part of one end of the two transverse anti-slip plates 10 is provided with an anti-collision groove. The width of the anti-collision groove is greater than the height of the vertical anti-slip plate 8. There are two single-tooth rectangular tooth plates 5 at one end of the transverse anti-slip plate 10. The two single-tooth rectangular tooth plates 5 are staggered up and down on both sides of the double-tooth rectangular tooth plates 3. The anti-collision groove in the middle of the transverse anti-slip plate 10 effectively avoids conflict with the push rod 11 during movement. The single-tooth rectangular tooth plates 5 staggered up and down avoid movement conflict between the two double-tooth rectangular tooth plates 5 when the double-tooth rectangular tooth plates 3 drive the spur gear 4 to move, thereby realizing simultaneous movement.

[0026] The side of the single-tooth rectangular tooth groove plate 5 away from the trapezoidal slider 6 is meshed with the teeth on one side of the outer circumferential surface of the spur gear 4 through the teeth. The middle part of the spur gear 4 is rotatably arranged on the upper surface of the base plate 1 through a rotating rod. The number of spur gears 4 is two, and the two spur gears 4 are symmetrically arranged on both sides of the double-tooth rectangular tooth groove plate 3. The thickness of the spur gear 4 is greater than the sum of the two single-tooth rectangular tooth groove plates 5 and the double-tooth rectangular tooth groove plates 3. The two spur gears 4 are arranged on both sides of the double-tooth rectangular tooth groove plate 3 to ensure The two spur gears 4 can move at the same time. The thicker spur gear 4 is convenient for meshing with the single-tooth rectangular tooth plate 5 and the double-tooth rectangular tooth plate 3 at the same time. The teeth on the other side of the outer circumference of the spur gear 4 mesh with the teeth on one side of the double-tooth rectangular tooth plate 3. A slider is provided at the bottom of the double-tooth rectangular tooth plate 3. The slider is slidably arranged on the inner wall of the slide groove on the upper surface of the base plate 1. A push rod 11 is fixedly arranged at the end of the double-tooth rectangular tooth plate 3. The push rod 11 is away from one side of the double-tooth rectangular tooth plate 3. The end is fixed with an anti-skid plate, and the anti-skid plate is concentrically arranged with the transverse anti-skid plate. The slider at the bottom of the double-tooth rectangular tooth groove plate 3 ensures smooth sliding, and the pushing rod 11 can realize the clamping connection of the longitudinal position of the bolt, making the fixation more comprehensive. One end of the double-tooth rectangular tooth groove plate 3 is fixedly connected to one end of the moving rod 2, and the inner side of the other end of the moving rod 2 is fixedly connected to one end of the sliding rod 12, and the other end of the sliding rod 12 is slidably connected to the arc track of the outer circumference of the threaded track rod 13. The two ends of the threaded track rod 13 are rotatably provided with a support plate 15, and the bottom of the support plate 15 is fixedly arranged on the upper surface of the base plate 1, and the arc track width on the surface of the threaded track rod 13 is the same as the diameter of the sliding rod 12. The support plate 15 provides support for the threaded track rod 13 to ensure the stability of the threaded track rod 13 during movement. One end of the threaded track rod 13 is fixedly connected to the output shaft on one side of the bidirectional motor 14, and the bottom of the bidirectional motor 14 is fixedly arranged in the middle of one end of the base plate 1 through a connecting plate.

[0027] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0028] When in use, the high-strength bolt to be tested for anti-slip is placed in the middle of the right end of the upper surface of the base plate 1, and the bidirectional motor 14 is started as a power to drive the threaded track rod 13 to rotate. The threaded track rod 13 drives the sliding rod 12 to drive the moving rod 2 and the double-tooth rectangular tooth groove plate 3 to move in the direction of the bolt through the arc track on the surface, and the two spur gears 4 are driven to rotate by the teeth on both sides of the double-tooth rectangular tooth groove plate 3. The rotation of the spur gear 4 drives the two single-tooth rectangular tooth groove plates 5 to move crosswise. The two single-tooth rectangular tooth groove plates 5 drive the two transverse anti-slip plates 10 to move to the threaded position through the arc moving rod 9. The two transverse anti-slip plates 10 and the anti-slip plate at one end of the push rod 11 can effectively fix the bolt to prevent the bolt from shaking during the experiment, thereby increasing the accuracy of the experiment.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] 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 high-strength bolt anti-slip test platform, comprising a base plate (1), characterized in that: One side of the middle portion of the upper surface of the base plate (1) is fixedly connected to one side of the trapezoidal slide slot frame (7) through a connecting rod, the body slide slot in the middle portion of the other side of the trapezoidal slide slot frame (7) is slidably connected to one side of the trapezoidal slider (6), the other side of the trapezoidal slider (6) is fixedly sleeved on one side of the front end of the single-tooth rectangular tooth groove plate (5), the end of the single-tooth rectangular tooth groove plate (5) is fixedly connected to one end of the arc-shaped moving rod (9), and the other end of the arc-shaped moving rod (9) is fixedly connected to one side of the transverse anti-slip plate (10) through a connecting block; The side of the single-tooth rectangular tooth groove plate (5) away from the trapezoidal slider (6) is meshed with the teeth on one side of the outer circumferential surface of the spur gear (4) through the teeth, and the teeth on the other side of the outer circumferential surface of the spur gear (4) are meshed with the teeth on one side of the double-tooth rectangular tooth groove plate (3), one end of the double-tooth rectangular tooth groove plate (3) is fixedly connected to one end of the moving rod (2), the inner side of the other end of the moving rod (2) is fixedly connected to one end of the sliding rod (12), the other end of the sliding rod (12) is slidably connected to the arc track on the outer circumferential surface of the threaded track rod (13), one end of the threaded track rod (13) is fixedly connected to the output shaft on one side of the bidirectional motor (14), and the bottom of the bidirectional motor (14) is fixedly arranged at the middle of one end of the base plate (1) through a connecting plate.

2. A high-strength bolt anti-slip test platform according to claim 1, characterized in that: The number of the transverse anti-skid plates (10) is two, and an anti-collision groove is provided in the middle of one end of each of the two transverse anti-skid plates (10), and the width of the anti-collision groove is greater than the height of the vertical anti-skid plate (8). The number of the single-tooth rectangular tooth groove plates (5) at one end of the transverse anti-skid plate (10) is two, and the two single-tooth rectangular tooth groove plates (5) are staggered up and down on both sides of the double-tooth rectangular tooth groove plate (3).

3. The high-strength bolt anti-slip test platform according to claim 1, characterized in that: The middle part of the spur gear (4) is rotatably arranged on the upper surface of the base plate (1) through a rotating rod. The number of the spur gears (4) is two. The two spur gears (4) are symmetrically arranged on both sides of the double-tooth rectangular tooth groove plate (3). The thickness of the spur gear (4) is greater than the sum of the two single-tooth rectangular tooth groove plates (5) and the double-tooth rectangular tooth groove plate (3).

4. The high-strength bolt anti-slip test platform according to claim 1, characterized in that: Support plates (15) are rotatably arranged at both ends of the threaded track rod (13) via a rotating rod, the bottom of the support plate (15) is fixedly arranged on the upper surface of the base plate (1), and the width of the arc track on the surface of the threaded track rod (13) is the same as the diameter of the sliding rod (12).

5. The high-strength bolt anti-slip test platform according to claim 1, characterized in that: A protective cover (16) is fixedly provided on the upper surface of the base plate (1), the protective cover (16) is higher than the top of the spur gear (4), and the end of the protective cover (16) is located on the inner side of one end of the transverse anti-slip plate (10).

6. The high-strength bolt anti-slip test platform according to claim 1, characterized in that: A slider is provided at the bottom of the double-tooth rectangular tooth groove plate (3), and the slider is slidably arranged on the inner wall of the slide groove on the upper surface of the base plate (1). A push rod (11) is fixedly arranged at the end of the double-tooth rectangular tooth groove plate (3), and an anti-skid plate is fixedly arranged at one end of the push rod (11) away from the double-tooth rectangular tooth groove plate (3), and the anti-skid plate is arranged concentrically with the transverse anti-skid plate.

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