Biomechanical test auxiliary mechanism

Abstract

The utility model discloses an auxiliary mechanism for biomechanical testing in the technical field of biomechanical testing, which comprises a base, a limiting sliding groove is vertically arranged on the rear side wall of an inner cavity of the base, an inner cavity of the limiting sliding groove is slidably connected with a limiting sliding block, and the left side and the right side of the bottom of the inner cavity of the base are rotatably connected with lifting screw rods. A driven gear is fixedly connected to the lower side of the outer side wall of the lifting screw rod, a lifting table is connected between the upper sides of the outer side walls of the lifting screw rod in a sleeving mode, the rear side wall of the lifting table is fixedly connected with the front side wall of the limiting sliding block, and supporting studs are fixedly connected to the left side and the right side of the top of the lifting table; the top ends of the lifting screws are in threaded connection with inner cavities of the supporting studs, a top plate is fixedly connected between the top ends of the supporting studs, and the biomechanical test auxiliary mechanism can conduct specific sealed environment test on organisms according to needs, can reduce the occupied space of test equipment, and can have the hidden protection function.

Description

Technical Field

[0001] The utility model relates to the technical field of biomechanical testing, in particular to a biomechanical testing auxiliary mechanism. Background Art

[0002] Mechanical testing machines are mainly suitable for testing metal and non-metal materials. They can perform various tests on materials, such as stretching and compression. Mechanical experiments are basic experiments in physics teaching. They can cultivate students' hands-on ability, innovative consciousness, improve their ability to apply knowledge, and their ability to discover and solve problems, so that students can develop comprehensively in their thoughts and thinking.

[0003] When testing organisms, existing mechanical testing machines do not have a device that can provide a sealed environment for testing, because some special organisms need to be tested in a specific environment, otherwise it will affect the test data. In addition, the existing mechanical testing machines are large in size and can only be used in specific locations. They occupy a large space and have no corresponding protective devices. For this reason, we propose a biomechanical testing auxiliary mechanism. Utility Model Content

[0004] The purpose of the utility model is to provide a biomechanical testing auxiliary mechanism to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biomechanical testing auxiliary mechanism, comprising a base, a limit slot is vertically opened on the rear side wall of the inner cavity of the base, the inner cavity of the limit slot is slidably connected to the limit slider, the left and right sides of the inner cavity bottom of the base are rotatably connected with a lifting screw, the lower side of the outer wall of the lifting screw is fixedly connected with a driven gear, a lifting platform is sleeved between the upper sides of the outer walls of the lifting screw, the rear side wall of the lifting platform is fixedly connected to the front side wall of the limit slider, and the top of the lifting platform is fixedly connected to the front side wall of the limit slider. The left and right sides of the base are fixedly connected with support studs, the top end of the lifting screw is screwed into the inner cavity of the support studs, a top plate is fixedly connected between the top ends of the support studs, a sealing gasket is fixedly connected to the bottom of the top plate, a sealing groove is opened around the bottom of the sealing gasket, a lifting groove is opened around the top outer side of the base, a lifting ring is slidably connected to the inner cavity of the lifting groove, an annular groove is opened around the inner side wall of the lifting ring, a sealing ring is fixedly connected to the inner cavity of the annular groove, and an explosion-proof cylinder is fixedly connected to the top of the lifting ring.

[0006] As a further description of the above technical solution:

[0007] A tensile machine is fixedly connected to the middle of the bottom of the top plate, a movable chuck is fixedly connected to the bottom of the tensile machine, and a fixed chuck is fixedly connected to the middle of the top of the lifting platform.

[0008] As a further description of the above technical solution:

[0009] The rear side wall of the inner cavity of the lifting groove is provided with an installation groove, a lifting screw rod is rotatably connected between the top and bottom of the inner cavity of the installation groove, a connecting seat is screwed on the outer side wall of the lifting screw rod, the connecting seat is slidably connected to the inner cavity of the installation groove, and the front side wall of the connecting seat is fixedly connected to the lifting ring.

[0010] As a further description of the above technical solution:

[0011] A variable frequency motor is fixedly connected to the middle of the top rear side of the base, and the bottom end of the power output shaft of the variable frequency motor passes through the base and extends to the inner cavity of the mounting groove, and is fixedly connected to the top end of the lifting screw rod.

[0012] As a further description of the above technical solution:

[0013] A mounting box is fixedly connected to the middle of the lower side of the front side wall of the base, a servo motor is fixedly connected to the top of the inner cavity of the mounting box, a driving gear is fixedly connected to the bottom end of the power output shaft of the servo motor, and a chain is rotatably connected between the driving gear and the outer side walls of the two driven gears.

[0014] As a further description of the above technical solution:

[0015] A controller is fixedly connected to the middle of the upper side of the front side wall of the base, and the controller is electrically connected to the tensile machine, the variable frequency motor and the servo motor through wires.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The biomechanical test auxiliary mechanism drives the lifting screw to rotate by starting the variable frequency motor, and the lifting screw drives the connecting seat to move upward. At the same time, the connecting seat drives the lifting ring to move upward in the lifting groove. When the lifting ring moves, it drives the explosion-proof tube to rise, so that the top of the explosion-proof tube is clamped into the sealing groove at the bottom of the sealing gasket. At the same time, the lifting ring is sealed by the sealing ring in the annular groove, so that the explosion-proof tube wraps the test equipment and forms a sealed test environment, so that specific sealed environment tests can be performed on the organism as needed.

[0018] 2. The biomechanical test auxiliary mechanism drives the driving gear to rotate through the servo motor, and the driving gear drives the driven gear to rotate synchronously through the chain. The driven gear drives two lifting screws to rotate. The lifting screws rotate inside the supporting studs, which can drive the lifting platform to move up and down, and the test equipment can be moved up and down for hidden protection, thereby reducing the occupied space of the test equipment and having a hidden protection function. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a biomechanical test auxiliary mechanism proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the main cross-sectional structure of a biomechanical test auxiliary mechanism proposed by the utility model;

[0021] Figure 3 It is a right side cross-sectional structural schematic diagram of a biomechanical test auxiliary mechanism proposed by the utility model;

[0022] Figure 4 A biomechanical test auxiliary mechanism proposed by the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0023] In the figure: 100, base; 110, limit slide; 111, limit slider; 120, lifting screw; 121, driven gear; 130, lifting platform; 131, support stud; 132, top plate; 133, sealing gasket; 134, sealing groove; 135, tensile machine; 136, movable chuck; 140, fixed chuck; 150, lifting groove; 151, lifting ring; 152, annular groove; 153, sealing ring; 154, explosion-proof cylinder; 160, installation groove; 161, lifting screw; 162, connecting seat; 170, frequency conversion motor; 180, installation box; 181, servo motor; 182, driving gear; 183, chain; 190, controller. 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] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a biomechanical test auxiliary mechanism, which can perform a specific sealed environment test on a biological subject as required, can reduce the occupied space of the test equipment, and can have a hidden protection function. Figure 1-4 , comprising a base 100;

[0028] Please refer again Figure 1-4The rear side wall of the inner cavity of the base 100 is vertically opened with a limit slide groove 110, and the limit slide groove 110 is used to support the movement of the limit slider 111. The inner cavity of the limit slide groove 110 is slidably connected to the limit slider 111, and the limit slider 111 is used to connect the lifting platform 130. The bottom of the inner cavity of the base 100 is rotatably connected with the lifting screw 120 on both sides, and the lower side of the outer wall of the lifting screw 120 is fixedly connected with a driven gear 121. The lifting platform 130 is sleeved between the upper sides of the outer walls of the lifting screw 120. The rear side wall of the lifting platform 130 is fixedly connected to the front side wall of the limit slider 111. The left and right sides of the top of the lifting platform 130 are fixedly connected with support studs 131. The top of the lifting screw 120 is screwed in the inner cavity of the support stud 131. A top plate 132 is fixedly connected between the tops of the support studs 131. A sealing gasket 133 is fixedly connected to the bottom of the top plate 132. The bottom of the sealing gasket 133 is opened around There is a sealing groove 134, and a lifting groove 150 is opened around the outer side of the top of the base 100. The inner cavity of the lifting groove 150 is slidably connected with a lifting ring 151, and the inner side wall of the lifting ring 151 is opened around the ring groove 152. The inner cavity of the annular groove 152 is fixedly connected with a sealing ring 153, and the top of the lifting ring 151 is fixedly connected with an explosion-proof cylinder 154. By starting the variable frequency motor 170, the lifting screw 161 is driven to rotate, and the lifting screw 161 drives the connecting seat 162 to move upward. At the same time, the connecting seat 162 drives the lifting ring 151 to rise in the lifting groove 150. When the lifting ring 151 moves, it drives the explosion-proof cylinder 154 to rise, so that the top of the explosion-proof cylinder 154 is clamped into the sealing groove 134 at the bottom of the sealing gasket 133, and at the same time, the lifting ring 151 is sealed by the sealing ring 153 in the annular groove 152, so that the explosion-proof cylinder 154 wraps the test equipment to form a sealed test environment.

[0029] In summary, specific sealed environment tests can be performed on organisms as needed.

[0030] Please refer again Figure 1-4A tensile machine 135 is fixedly connected to the middle of the bottom of the top plate 132, and a mobile chuck 136 is fixedly connected to the bottom of the tensile machine 135. A fixed chuck 140 is fixedly connected to the middle of the top of the lifting platform 130. A mounting groove 160 is opened on the rear side wall of the inner cavity of the lifting groove 150. A lifting screw rod 161 is rotatably connected between the top and bottom of the inner cavity of the mounting groove 160. A connecting seat 162 is screwed on the outer wall of the lifting screw rod 161. The connecting seat 162 is slidably connected to the inner cavity of the mounting groove 160. The front side wall of the connecting seat 162 is fixedly connected to the lifting ring 151. A variable frequency motor 170 is fixedly connected to the middle of the top rear side of the base 100. The bottom end of the power output shaft of the variable frequency motor 170 passes through the base 100 and extends to the inner cavity of the mounting groove 160, and is fixedly connected to the top of the lifting screw rod 161. The middle of the lower side of the front side wall of the base 100 is fixedly connected to the mounting box 1 80. A servo motor 181 is fixedly connected to the top of the inner cavity of the installation box 180, and a driving gear 182 is fixedly connected to the bottom end of the power output shaft of the servo motor 181. A chain 183 is rotatably connected between the driving gear 182 and the outer walls of the two driven gears 121. A controller 190 is fixedly connected to the middle of the upper side of the front side wall of the base 100. The controller 190 is electrically connected to the tensile machine 135, the frequency conversion motor 170 and the servo motor 181 through wires. The driving gear 182 is driven to rotate by the servo motor 181, and the driving gear 182 drives the driven gear 121 to rotate synchronously through the chain 183. The driven gear 121 drives the two lifting screws 120 to rotate. The lifting screws 120 rotate inside the support studs 131, which can drive the lifting platform 130 to move up and down, so that the test equipment can be moved up and down for hidden protection.

[0031] In summary, the occupied space of the test equipment can be reduced and the device can have a hidden protection function.

[0032] During specific use, when a person skilled in the art uses the mechanical testing device to perform biomechanical testing, the testing device is connected to an external power supply, and the servo motor 181 is started through the controller 190. The servo motor 181 drives the driving gear 182 to rotate, and the driving gear 182 drives the driven gear 121 to rotate synchronously through the chain 183. The driven gear 121 drives the two lifting screws 120 to rotate, and the lifting screws 120 rotate inside the support studs 131, which can drive the lifting platform 130 to rise, and the object to be tested is installed between the fixed chuck 140 and the movable chuck 136, and the frequency conversion motor 170 is started again. The motor 170 drives the lifting screw 161 to rotate, and the lifting screw 161 drives the connecting seat 162 to move upward. At the same time, the connecting seat 162 drives the lifting ring 151 to rise in the lifting groove 150. When the lifting ring 151 moves, it drives the explosion-proof tube 154 to rise, so that the top of the explosion-proof tube 154 is clamped into the sealing groove 134 at the bottom of the sealing gasket 133. At the same time, the lifting ring 151 is sealed through the sealing ring 153 in the annular groove 152, so that the explosion-proof tube 154 wraps the test equipment, so that the test environment is sealed, and finally the tensile machine 135 is started to drive the moving chuck 136 to perform biological tensile test, and the test is placed in a sealed environment.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A biomechanical testing auxiliary mechanism, characterized in that: A base (100) is provided, a limit slide groove (110) is vertically opened on the rear side wall of the inner cavity of the base (100), the inner cavity of the limit slide groove (110) is slidably connected to a limit slider (111), a lifting screw (120) is rotatably connected to the left and right sides of the bottom of the inner cavity of the base (100), a driven gear (121) is fixedly connected to the lower side of the outer wall of the lifting screw (120), a lifting platform (130) is sleeved between the upper sides of the outer walls of the lifting screw (120), the rear side wall of the lifting platform (130) is fixedly connected to the front side wall of the limit slider (111), the left and right sides of the top of the lifting platform (130) are fixedly connected to support studs (131), the lifting screw (120) ) is screwed to the inner cavity of the support stud (131); a top plate (132) is fixedly connected between the top ends of the support stud (131); a sealing gasket (133) is fixedly connected to the bottom of the top plate (132); a sealing groove (134) is opened around the bottom of the sealing gasket (133); a lifting groove (150) is opened around the outer side of the top of the base (100); a lifting ring (151) is slidably connected to the inner cavity of the lifting groove (150); an annular groove (152) is opened around the inner side wall of the lifting ring (151); a sealing ring (153) is fixedly connected to the inner cavity of the annular groove (152); and an explosion-proof tube (154) is fixedly connected to the top of the lifting ring (151).

2. A biomechanical testing auxiliary mechanism according to claim 1, characterized in that: A tensile machine (135) is fixedly connected to the middle of the bottom of the top plate (132), a movable chuck (136) is fixedly connected to the bottom of the tensile machine (135), and a fixed chuck (140) is fixedly connected to the middle of the top of the lifting platform (130).

3. A biomechanical testing auxiliary mechanism according to claim 2, characterized in that: A mounting groove (160) is formed on the rear side wall of the inner cavity of the lifting groove (150); a lifting screw rod (161) is rotatably connected between the top and bottom of the inner cavity of the mounting groove (160); a connecting seat (162) is screwed on the outer side wall of the lifting screw rod (161); the connecting seat (162) is slidably connected to the inner cavity of the mounting groove (160); and the front side wall of the connecting seat (162) is fixedly connected to the lifting ring (151).

4. A biomechanical testing auxiliary mechanism according to claim 3, characterized in that: A variable frequency motor (170) is fixedly connected to the middle of the top rear side of the base (100), and the bottom end of the power output shaft of the variable frequency motor (170) passes through the base (100) and extends to the inner cavity of the mounting groove (160), and is fixedly connected to the top end of the lifting screw rod (161).

5. A biomechanical testing auxiliary mechanism according to claim 4, characterized in that: A mounting box (180) is fixedly connected to the middle of the lower side of the front side wall of the base (100), a servo motor (181) is fixedly connected to the top of the inner cavity of the mounting box (180), a driving gear (182) is fixedly connected to the bottom end of the power output shaft of the servo motor (181), and a chain (183) is rotatably connected between the driving gear (182) and the outer side walls of the two driven gears (121).

6. A biomechanical testing auxiliary mechanism according to claim 5, characterized in that: A controller (190) is fixedly connected to the middle of the upper side of the front side wall of the base (100), and the controller (190) is electrically connected to the tensile machine (135), the variable frequency motor (170) and the servo motor (181) through electric wires.

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