CN214150237U

CN214150237U - Compression testing machine moving beam with locking function

Info

Publication number: CN214150237U
Application number: CN202023238742.8U
Authority: CN
Inventors: 黄斌润; 黄润霞
Original assignee: Wuhan Yongcheng Mechanical Engineering Co ltd
Current assignee: Wuhan Yongcheng Mechanical Engineering Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-07
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a compression testing machine moving beam with locking function, the on-line screen storage device comprises a base, the bracing piece has all been welded to base top both sides, and two inside racks, two of all installing of bracing piece all mesh on the rack has the mobile gear, two all be equipped with the crossbeam body between the bracing piece, and crossbeam body both sides all weld the connecting rod, two the one end that the connecting rod was kept away from each other all rotates and is connected with the worm wheel, servo motor is installed to crossbeam body top one side, and servo motor output shaft fixedly connected with driving gear. The utility model discloses a be provided with worm drive worm wheel and rotate, the worm wheel makes the removal gear remove along the rack through the pivot to realized carrying out the function that reciprocates, can not lead to the dead phenomenon of card because of the increase of pressure, through worm drive worm wheel, played the function of carrying out locking to the crossbeam body, thereby can not be because of the crossbeam body rebound phenomenon that servo motor stop work leads to.

Description

Compression testing machine moving beam with locking function

Technical Field

The utility model relates to a compression testing machine technical field especially relates to a compression testing machine moving beam with locking function.

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.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the compression testing machine moving beam who provides with locking function.

In order to achieve the above purpose, the utility model 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 wall of the two sliding rods, and an extrusion spring is sleeved on the outer wall of the sliding rod, 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, the servo motor is connected with an external power line through a wire, the servo motor is located in the middle between the two supports, and the servo motor is fixedly connected with the top of the beam body through a fixing bolt.

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 utility model has the advantages 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 view of a main body of a movable beam of a compression testing machine with a locking function provided by the present invention;

fig. 2 is a schematic cross-sectional structural view of a beam body of a movable beam of a compression testing machine with a locking function provided by the utility model;

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 provided by the present invention;

fig. 4 is the utility model provides a compression testing machine moving beam's crossbeam body and bracing piece connection structure stereogram with locking function.

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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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 wheels 7 are rotatably matched with the connecting rods 6 through rotating shafts, the two moving gears 4 are respectively connected with rotating shafts on the two connecting rods 6, the two connecting rods 6 are respectively positioned at the middle positions of two sides of the beam body 5, the moving gears 4 and the worm gears 7 are respectively positioned at two sides of the connecting rods 6, the driving gear 9 is meshed with the driven gear 12, the worm gears 7 are 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 middle position 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 gear 7 is driven to rotate through the worm 11, the worm gears 7 enable the moving gears 4 to move along the rack 3 through the rotating shafts, so that the function of moving up and down is realized, the phenomenon of blocking caused by the increase of pressure is avoided, and the worm gears 7 are driven through the worm 11, 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 sliding rods 13 are matched with the distance between the two movable gears 4, 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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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 limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

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 in the middle 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).