CN112611648A - Pressure testing machine moving beam with locking function and operation method - Google Patents
Pressure testing machine moving beam with locking function and operation method Download PDFInfo
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- CN112611648A CN112611648A CN202011590891.2A CN202011590891A CN112611648A CN 112611648 A CN112611648 A CN 112611648A CN 202011590891 A CN202011590891 A CN 202011590891A CN 112611648 A CN112611648 A CN 112611648A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/16—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces applied through gearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The invention discloses a movable cross beam of a compression testing machine with a locking function and an operation method of the movable cross beam, and the movable cross beam comprises a base, wherein two sides of the top of the base are respectively welded with a support rod, racks are respectively arranged in the two support rods, a movable gear is respectively meshed with the two racks, a cross beam body is arranged between the two support rods, connecting rods are respectively welded on the two sides of the cross beam body, one ends, far away from each other, of the two connecting rods are respectively connected with a worm wheel in a rotating mode, a servo motor is arranged on one side of the top of the cross beam body, and. According to the invention, the worm is arranged to drive the worm wheel to rotate, the worm wheel enables the moving gear to move along the rack through the rotating shaft, so that the function of moving up and down is realized, the phenomenon of clamping caused by the increase of pressure is avoided, the worm wheel is driven by the worm to play a role of locking the beam body, and the phenomenon of rebounding of the beam body caused by the stop of the servo motor is avoided.
Description
Technical Field
The invention relates to the technical field of compression testing machines, in particular to a compression testing machine movable beam with a locking function and an operation method.
Background
The compression testing machine is also called an electronic compression testing machine, is mainly suitable for testing various physical and mechanical properties of materials such as rubber, plastic plates, pipes, profiles, plastic films, electric wires and cables, waterproof coiled materials, metal wires, cartons and the like, realizes the extrusion of the materials to be measured by controlling the descending of a cross beam, further measures the physical properties of the materials, and records the physical properties according to various states of the materials when the materials are extruded, thereby obtaining corresponding data.
Current compression testing machine crossbeam reciprocates and drives the lead screw rotation through driving motor, and then realizes reciprocating of crossbeam, however, along with the pressure of crossbeam extrusion material increases gradually, the pressure material that lead screw self received also can increase, and then increased frictional force, take place the dead phenomenon of card easily, the extravagant electric power resource, compression testing machine has the measurement limit of oneself simultaneously, in case surpass measuring range, the crossbeam continues to extrude the material and leads to pressure sensor to damage very easily, loss of property has been caused.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a movable cross beam of a compression testing machine with a locking function and an operation method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a movable cross beam of a compression testing machine with a locking function comprises a base, wherein supporting rods are welded on two sides of the top of the base, racks are mounted inside the two supporting rods, a movable gear is meshed on the two racks, a cross beam body is arranged between the two supporting rods, connecting rods are welded on two sides of the cross beam body, one end, far away from each other, of each connecting rod is rotatably connected with a worm gear, a servo motor is mounted on one side of the top of the cross beam body, a driving gear is fixedly connected with an output shaft of the servo motor, supports are welded on the tops of two ends of the cross beam body, a worm is rotatably connected between the two supports, a driven gear is clamped between the two worms, a sliding rod is connected on two sides of the cross beam body in a penetrating and sliding mode, a stop block is welded on the outer, and the fixed gears are welded at the ends, far away from each other, of the two sliding rods, the opening is formed in the other side of the beam body in a penetrating mode, a fixing table is arranged in the opening, and fixing grooves are formed in the two sides of the fixing table.
Preferably, two the worm wheel all forms normal running fit through pivot and connecting rod, and two movable gear are connected with the pivot on two connecting rods respectively, two the connecting rod is located the intermediate position department of crossbeam body both sides respectively, and movable gear and worm wheel are located the both sides of connecting rod respectively.
Preferably, the driving gear is engaged with the driven gear, and the worm wheel is engaged with the worm.
Preferably, servo motor passes through the wire and is connected with external power cord, and servo motor is located the heavy first position department between two supports, servo motor passes through fixing bolt and crossbeam body top fixed connection.
Preferably, the size of the fixed gear is matched with that of the moving gear, and the fixed gear and the moving gear are located on the same straight line in the vertical direction.
Preferably, the stop block and the inner wall of the beam body form sliding fit, the extrusion spring is located between the stop block and the inner wall of the beam body, two ends of the extrusion spring are respectively welded with the stop block and the beam body, and the length of the sliding rod is matched with the distance between the two movable gears.
Preferably, the fixed station is of a conical structure, the sliding rod and the fixed groove form sliding fit, and the bottom of the fixed station is provided with the pressure sensor.
The invention has the beneficial effects that:
1. the worm is arranged to drive the worm wheel to rotate, the worm wheel enables the moving gear to move along the rack through the rotating shaft, so that the function of moving up and down is realized, the phenomenon of clamping due to the increase of pressure is avoided, the worm wheel is driven through the worm, the function of locking the beam body is realized, and the phenomenon of rebounding of the beam body due to the stop of the servo motor is avoided;
2. through being provided with fixed station and slide bar sliding connection, the slide bar passes through extrusion spring and then extrudees the fixed station, and the fixed station can upwards remove gradually along with the increase of pressure, and then can make fixed station both sides slide bar remove to both sides, and when pressure reached certain limit, the slide bar can promote fixed gear and removal gear intermeshing, and then prevents to remove the gear rotation, has realized protection pressure sensor's function.
Drawings
FIG. 1 is a schematic structural diagram of a main body of a movable beam of a compression testing machine with a locking function, which is provided by the invention;
FIG. 2 is a schematic cross-sectional structural view of a beam body of a movable beam of the compression testing machine with a locking function, which is provided by the invention;
FIG. 3 is a schematic view of a top view structure of a beam body of a movable beam of a compression testing machine with a locking function according to the present invention;
fig. 4 is a schematic perspective view of a connection structure of a beam body and a support rod of a movable beam of a compression testing machine with a locking function according to the present invention.
In the figure: the device comprises a base 1, a supporting rod 2, a rack 3, a moving gear 4, a beam body 5, a connecting rod 6, a worm wheel 7, a servo motor 8, a driving gear 9, a support 10, a worm 11, a driven gear 12, a sliding rod 13, a stop block 14, a stop block 15, an extrusion spring, a fixed gear 16, an opening 17, a fixed table 18, a fixed groove 19 and a pressure sensor 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a movable cross beam of a compression testing machine with a locking function comprises a base 1, wherein support rods 2 are welded on two sides of the top of the base 1, racks 3 are mounted inside the two support rods 2, a movable gear 4 is meshed on the two racks 3, a cross beam body 5 is arranged between the two support rods 2, connecting rods 6 are welded on two sides of the cross beam body 5, one end, away from each other, of each of the two connecting rods 6 is rotatably connected with a worm wheel 7, a servo motor 8 is mounted on one side of the top of the cross beam body 5, an output shaft of the servo motor 8 is fixedly connected with a driving gear 9, supports 10 are welded on the tops of two ends of the cross beam body 5, worm screws 11 are rotatably connected between the two supports 10, a driven gear 12 is mounted between the two worm screws 11 in a butt-clamping manner, and the two worm, and two moving gears 4 are respectively connected with the rotating shafts on the two connecting rods 6, the two connecting rods 6 are respectively positioned at the middle positions of the two sides of the beam body 5, the moving gears 4 and the worm wheels 7 are respectively positioned at the two sides of the connecting rods 6, the driving gear 9 is mutually meshed with the driven gear 12, the worm wheels 7 are mutually meshed with the worm 11, the servo motor 8 is connected with an external power line through a wire, the servo motor 8 is positioned at the position of a heavy first between the two brackets 10, the servo motor 8 is fixedly connected with the top of the beam body 5 through a fixing bolt, the worm wheels 7 are driven to rotate by the worm 11, the worm wheels 7 enable the moving gears 4 to move along the rack 3 through the rotating shafts, so that the function of up-and-down movement is realized, the phenomenon of blocking due to the increase of pressure is avoided, and the worm wheels, the locking function of the beam body 5 is realized, so that the phenomenon of rebounding of the beam body 5 caused by the stop of the servo motor 8 is avoided;
the two sides of the beam body 5 are both connected with sliding rods 13 in a penetrating and sliding manner, the outer walls of the two sliding rods 13 are welded with check blocks 14, the outer walls of the sliding rods 13 are sleeved with extrusion springs 15, the mutually-far ends of the two sliding rods 13 are welded with fixed gears 16, the other side of the beam body 5 is opened with an opening 17 in a penetrating manner, a fixed table 18 is arranged in the opening 17, both sides of the fixed table 18 are opened with fixed grooves 19, the size of the fixed gears 16 is matched with that of the movable gears 4, the fixed gears 16 and the movable gears 4 are positioned on the same straight line in the vertical direction, the check blocks 14 are in sliding fit with the inner wall of the beam body 5, the extrusion springs 15 are positioned between the check blocks 14 and the inner wall of the beam body 5, both ends of the extrusion springs 15 are respectively welded with the check blocks 14 and the beam body 5, and the lengths of the, the fixed station 18 is of a conical structure, the sliding rod 13 is in sliding fit with the fixed groove 19, the pressure sensor 20 is installed at the bottom of the fixed station 18, the fixed station 18 is in sliding connection with the sliding rod 13 through the arrangement of the fixed station 18, the sliding rod 13 extrudes the fixed station 18 through the extrusion spring 15, the fixed station 18 gradually moves upwards along with the increase of pressure, the sliding rods 13 on two sides of the fixed station 18 can move towards two sides, when the pressure reaches a certain limit, the sliding rod 13 can push the fixed gear 16 to be meshed with the movable gear 4, the movable gear 4 is prevented from rotating, and the function of protecting the pressure sensor 20 is achieved.
The working principle is as follows: firstly, a material to be measured is placed above a base 1, then a servo motor 8 is started, the servo motor 8 drives a driving gear 9 to rotate a worm 11, the worm 11 rotates to drive a worm wheel 7 to rotate, the worm wheel 7 enables a moving gear 4 to rotate along a rack 3 through a rotating shaft, thereby controlling the beam body 5 to move up and down, and when the beam body 5 descends to extrude the material to be measured, the pressure sensor 20 is gradually pressurized and then rises, the pressing spring 15 presses the stopper 14 and then prevents the fixed stage 18 from moving upward, as the pressure increases, however, the pressing spring 15 is compressed, the fixed gear 16 is gradually brought closer to the moving gear 4, when the pressure reaches a certain degree, the fixed gear 16 can be meshed with the movable gear 4 to prevent the movable gear 4 from rotating, and finally the beam body 5 is lowered in a customized manner to protect the pressure sensor 20.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A compression testing machine movable cross beam with a locking function comprises a base (1) and is characterized in that supporting rods (2) are welded on two sides of the top of the base (1), racks (3) are installed inside the two supporting rods (2), two movable gears (4) are meshed on the racks (3), a cross beam body (5) is arranged between the two supporting rods (2), connecting rods (6) are welded on two sides of the cross beam body (5), one ends, far away from each other, of the two connecting rods (6) are rotatably connected with worm wheels (7), a servo motor (8) is installed on one side of the top of the cross beam body (5), an output shaft of the servo motor (8) is fixedly connected with a driving gear (9), supports (10) are welded on the tops of two ends of the cross beam body (5), and a worm (11) is rotatably connected between the two supports (10), two driven gear (12) are installed to the butt clamp between worm (11), sliding connection has slide bar (13) all to run through in crossbeam body (5) both sides, and two slide bar (13) outer walls all weld dog (14), slide bar (13) outer wall has cup jointed extrusion spring (15), and the one end that two slide bar (13) kept away from each other all welds fixed gear (16), the opposite side of crossbeam body (5) runs through to open there is opening (17), and is equipped with fixed station (18) in opening (17), fixed slot (19) have all been opened to fixed station (18) both sides.
2. The movable beam with the locking function for the compression testing machine is characterized in that two worm gears (7) are in rotating fit with the connecting rods (6) through rotating shafts, two movable gears (4) are respectively connected with the rotating shafts on the two connecting rods (6), the two connecting rods (6) are respectively located at the middle positions of two sides of the beam body (5), and the movable gears (4) and the worm gears (7) are respectively located at two sides of the connecting rods (6).
3. The mobile beam of a compression testing machine with locking function according to claim 1, characterized in that the driving gear (9) is meshed with the driven gear (12), and the worm wheel (7) is meshed with the worm (11).
4. The movable beam with the locking function for the compression testing machine is characterized in that the servo motor (8) is connected with an external power line through a lead, the servo motor (8) is located at a heavy first position between the two brackets (10), and the servo motor (8) is fixedly connected with the top of the beam body (5) through a fixing bolt.
5. The mobile beam of the compression testing machine with locking function according to claim 1, characterized in that the fixed gear (16) has a size matched with the size of the mobile gear (4), and the fixed gear (16) and the mobile gear (4) are vertically on the same straight line.
6. The movable beam with the locking function for the compression testing machine is characterized in that the stop block (14) is in sliding fit with the inner wall of the beam body (5), the extrusion spring (15) is located between the stop block (14) and the inner wall of the beam body (5), two ends of the extrusion spring (15) are respectively welded with the stop block (14) and the beam body (5), and the length of the sliding rod (13) is matched with the distance between the two movable gears (4).
7. The mobile beam of the compression testing machine with the locking function as claimed in claim 1, characterized in that the fixed platform (18) is of a conical structure, the sliding rod (13) is in sliding fit with the fixed groove (19), and the bottom of the fixed platform (18) is provided with the pressure sensor (20).
8. An operation method of a movable beam of a compression testing machine with a locking function is characterized in that firstly a material to be measured is placed above a base, then a servo motor is started, the servo motor drives a driving gear to further rotate a worm, the worm rotates to further drive a worm wheel to rotate, the worm wheel enables a movable gear to rotate along a rack through a rotating shaft, so that a beam body is controlled to move up and down, when the beam body descends to extrude the material to be measured, a pressure sensor is gradually stressed to rise, an extrusion spring extrudes a stop block to further prevent a fixed platform from moving up, but the extrusion spring is compressed along with the increase of the pressure, the fixed gear gradually approaches to the movable gear, when the pressure reaches a certain degree, the fixed gear is meshed with the movable gear to further prevent the movable gear from rotating, and finally the beam body is customized to descend, the function of protecting the pressure sensor is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011590891.2A CN112611648A (en) | 2020-12-29 | 2020-12-29 | Pressure testing machine moving beam with locking function and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011590891.2A CN112611648A (en) | 2020-12-29 | 2020-12-29 | Pressure testing machine moving beam with locking function and operation method |
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| Publication Number | Publication Date |
|---|---|
| CN112611648A true CN112611648A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011590891.2A Pending CN112611648A (en) | 2020-12-29 | 2020-12-29 | Pressure testing machine moving beam with locking function and operation method |
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| CN (1) | CN112611648A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319390A (en) * | 2022-10-12 | 2022-11-11 | 江苏英创特金属科技有限公司 | End plate welding tool for end beam wheel shaft of LD single-beam crane |
-
2020
- 2020-12-29 CN CN202011590891.2A patent/CN112611648A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319390A (en) * | 2022-10-12 | 2022-11-11 | 江苏英创特金属科技有限公司 | End plate welding tool for end beam wheel shaft of LD single-beam crane |
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