CN214472270U

CN214472270U - Mechanical testing machine

Info

Publication number: CN214472270U
Application number: CN202120341873.4U
Authority: CN
Inventors: 龙双双; 庞桂彬; 王君
Original assignee: Beijing Zihengxuan Construction Engineering Inspection Co ltd
Current assignee: Beijing Zihengxuan Construction Engineering Inspection Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-10-22
Anticipated expiration: 2031-02-05

Abstract

The application relates to the field of detection equipment, in particular to a mechanical testing machine, which comprises a base, wherein four guide columns are vertically arranged on the base, an upper cross beam is fixed at the top ends of the four guide columns, an upper mounting plate is arranged at the bottom of the upper cross beam, two upper clamping blocks used for clamping reinforcing steel bars are connected onto the upper mounting plate in a sliding manner, a lower cross beam is further connected onto the guide columns in a sliding manner, a lower mounting plate is arranged on the lower cross beam, two lower clamping blocks used for clamping the reinforcing steel bars are connected onto the lower mounting plate in a sliding manner, and a driving assembly used for driving the lower cross beam to move up and down is further arranged on the base; articulated between entablature lateral wall and the base lateral wall have a installing frame, the installing frame can be dismantled with base, entablature and be connected, be provided with in the installing frame and be used for blockking the baffle that the reinforcing bar outwards splashes, the baffle is the rubber material. This application has the effect of improving the reinforcing bar piece and splashing the condition outside the testing machine.

Description

Mechanical testing machine

Technical Field

The application relates to the field of detection equipment, in particular to a mechanical testing machine.

Background

A mechanical testing machine is a material testing machine integrating the functions of stretching, bending, compressing, shearing and the like, is mainly used for mechanical property tests of metal and nonmetal materials, and is ideal detection equipment for departments such as industrial and mining enterprises, scientific research units, universities and colleges, engineering quality supervision stations and the like.

In view of the above-mentioned related art, the inventor believes that when a steel bar tensile test is performed, the steel bar is gradually elongated and finally broken, and when the steel bar is broken, the steel bar fragments splash outwards, causing environmental pollution, and at the same time, the fragments may splash to workers, causing injury to the workers.

SUMMERY OF THE UTILITY MODEL

In order to improve the condition that the reinforcing bar piece splashes outside the testing machine, this application provides a mechanical testing machine.

The application provides a mechanical testing machine adopts following technical scheme:

a mechanical testing machine comprises a base, wherein four guide columns are vertically arranged on the base, an upper cross beam is fixed at the top ends of the four guide columns, an upper mounting plate is arranged at the bottom of the upper cross beam, the upper mounting plate is connected with two upper clamping blocks used for clamping reinforcing steel bars in a sliding manner, a lower cross beam is also connected on the guide columns in a sliding manner, a lower mounting plate is arranged on the lower cross beam, the lower mounting plate is connected with two lower clamping blocks used for clamping the reinforcing steel bars in a sliding manner, and a driving assembly used for driving the lower cross beam to move up and down is further arranged on the base; articulated between entablature lateral wall and the base lateral wall have a installing frame, the installing frame can be dismantled with base, entablature and be connected, be provided with in the installing frame and be used for blockking the baffle that the reinforcing bar outwards splashes, the baffle is the rubber material.

Through adopting above-mentioned technical scheme, the bottom end rail moves down under drive assembly's effect, and the reinforcing bar is elongated and the fracture, and the piece that splashes when the reinforcing bar fracture is beaten on the baffle, is stopped and is cushioned by the baffle to improve the condition that the reinforcing bar piece outwards splashes.

Optionally, the area of the surface of the baffle is smaller than the area of the space enclosed by the mounting frame, and the baffle is elastically connected with the mounting frame.

Through adopting above-mentioned technical scheme, baffle and installing frame elastic connection to promote the mobilizable displacement volume of baffle, promoted the buffering effect of baffle.

Optionally, the top end of the baffle plate and the top end of the mounting frame are connected with tension springs, and the bottom end of the baffle plate and the bottom end of the mounting frame are connected with steel wires.

Through adopting above-mentioned technical scheme, extension spring and baffle elastic connection, steel wire and baffle rigid connection to make the baffle top can carry out the displacement and resume the original state under the effect of extension spring.

Optionally, four end angle positions of the mounting frame and four end angle positions of the baffle are respectively and fixedly connected with a mounting rod, the end portion of the mounting rod is fixedly connected with an anti-dropping plate, and the tension spring or the steel wire is connected with the mounting rod.

Through adopting above-mentioned technical scheme, the installation pole can supply extension spring or steel wire to connect, and the anticreep board can block extension spring or steel wire and break away from the installation pole to the stability that extension spring or steel wire and installation pole are connected has been promoted.

Optionally, a first magnet plate is arranged on the mounting frame, and a second magnet plate matched with the first magnet plate is arranged on the base and/or the upper cross beam.

Through adopting above-mentioned technical scheme, first magnet board can realize adsorbing each other fixedly and mutual separation with the second magnet board to be convenient for opening or fixed of installing frame.

Optionally, a receiving hopper for collecting the reinforcing steel bar scraps is arranged at the bottom end of the baffle.

Through adopting above-mentioned technical scheme, the reinforcing bar piece splashes back on the baffle, can fall to in connecing the hopper to reduce the reinforcing bar piece and scatter to subaerially, reduce environmental pollution.

Optionally, the material receiving hopper is hinged to the baffle, and the baffle is further provided with a limiting piece for fixing the material receiving hopper.

Through adopting above-mentioned technical scheme, connect the hopper can rotate by the relative baffle to be convenient for discharge the reinforcing bar piece that connects in the hopper.

Optionally, the limiting part is a limiting hook plate, the opening of the limiting hook plate faces upwards, and the receiving hopper is detachably clamped in the limiting hook plate.

Through adopting above-mentioned technical scheme, when need not to rotate and connect the hopper, connect the hopper card to establish and fix in spacing hook plate to the messenger connects the hopper to keep stable state, when needs rotation connect the hopper, can release in can following spacing hook plate with connecing the hopper, whole process, staff's operation is last simple, laborsaving.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lower cross beam moves downwards under the action of the driving assembly, the steel bars stretch and break, splashed fragments when the steel bars break are beaten on the baffle plate and are blocked and buffered by the baffle plate, and therefore the condition that the fragments of the steel bars splash outwards is improved;

2. the first magnet plate and the second magnet plate can be mutually adsorbed, fixed and separated, so that the mounting frame can be conveniently opened or fixed;

3. after the reinforcing bar piece splashes on the baffle, can fall to in connecing the hopper to reduce the reinforcing bar piece and scatter to subaerially, reduce environmental pollution.

Drawings

Fig. 1 is a schematic structural diagram of a mechanical testing machine in a closed state according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a mechanical testing machine according to an embodiment of the present application in an open state.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a base; 10. a second magnet plate; 2. a guide post; 3. an upper cross beam; 30. an upper mounting plate; 31. an upper clamping block; 4. a lower cross beam; 40. a lower mounting plate; 41. a lower clamping block; 5. a lead screw; 6. installing a frame; 60. a handle; 61. a first magnet plate; 62. mounting a rod; 63. an anti-drop plate; 7. a baffle plate; 70. a tension spring; 71. a steel wire; 8. a receiving hopper; 80. a pin shaft; 81. and a limiting hook plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a mechanical testing machine. Referring to fig. 1 and 2, a mechanical testing machine comprises a base 1, a guide column 2 erected on the base 1, an upper cross beam 3 arranged at the top end of the guide column 2, a lower cross beam 4 connected to the guide column 2 in a sliding manner, and a screw 5 for driving the lower cross beam 4 to move up and down.

Referring to fig. 1 and 2, four guide columns 2 are arranged, the four guide columns 2 are arranged in a rectangular shape, the bottom ends of the guide columns 2 are vertically and fixedly connected to the top surface of a base 1, and the top ends of the guide columns 2 are vertically and fixedly connected with an upper cross beam 3; an upper mounting plate 30 is fixedly connected to the bottom of the upper cross beam 3, two upper clamping blocks 31 for clamping the steel bars are connected to the upper mounting plate 30 in a sliding mode, and the upper clamping blocks 31 are controlled through a hydraulic system so as to clamp or loosen the steel bars; the lower cross beam 4 is parallel to the upper cross beam 3, a lower mounting plate 40 is fixedly connected to the top surface of the lower cross beam 4, two lower clamping blocks 41 used for clamping the steel bars are connected to the lower mounting plate 40 in a sliding mode, the lower clamping blocks 41 are controlled through a hydraulic system, accordingly the steel bars are clamped or loosened, and the lower clamping blocks 41 correspond to the upper clamping blocks 31 up and down.

Referring to fig. 2, two lead screws 5 are vertically arranged, the two lead screws 5 are respectively located between the two adjacent guide posts 2, the top ends of the lead screws 5 are rotatably connected with the upper cross beam 3, the lead screws 5 are in threaded connection with the lower cross beam 4, and an actuating mechanism for actuating the lead screws 5 to rotate, such as a motor-driven and chain-driven mode, is arranged in the base 1, so that the two lead screws 5 synchronously rotate and actuate the lower cross beam 4 to move up and down.

Referring to fig. 1 and 2, two sides of the base 1 along the length direction thereof are respectively and vertically provided with a mounting frame 6, the mounting frame 6 is a rectangular frame, one vertical end of the mounting frame 6 is respectively hinged with the base 1 and the upper cross beam 3, the other vertical end of the mounting frame 6 is fixedly connected with a handle 60 for rotating the mounting frame 6, and the handle 60 is positioned on one side of the mounting frame 6 away from the guide column 2; two first magnet plates 61 are fixedly embedded on one side of the mounting frame 6 close to the guide post 2, and the two first magnet plates 61 are arranged one above the other; correspondingly, a second magnet plate 10 is respectively embedded and fixed on the side walls of the base 1 and the upper cross beam 3, and the two second magnet plates 10 correspond to the two first magnet plates 61 one by one, so that the fixing of the mounting frame 6 is realized through the adsorption between the first magnet plates 61 and the second magnet plates 10, in other examples, the second magnet plates 10 can be only arranged on the base 1 or only on the upper cross beam 3, and the fixing of the mounting frame 6 can also be realized.

Referring to fig. 1 and 2, a baffle 7 for preventing the steel bar debris from splashing outwards is vertically arranged in the mounting frame 6, and the baffle 7 is made of transparent rubber, so that the baffle 7 has elasticity and is convenient for a worker to observe the test process; the area of the plate surface of the baffle 7 is smaller than the area of the space enclosed by the mounting frame 6, mounting rods 62 are fixedly connected to the four end corner positions of the mounting frame 6 and the four end corner positions of the baffle 7 respectively, and an anti-drop plate 63 is fixedly connected to the end part, far away from the mounting frame 6 or the baffle 7, of each mounting rod 62 in a vertical mode; a tension spring 70 is connected between the mounting rod 62 at the top of the baffle plate 7 and the mounting rod 62 at the top of the adjacent mounting frame 6, so that the baffle plate 7 has a larger buffer area to buffer the impact caused by larger-particle steel bar fragments or steel bar segment splashing; a steel wire is connected between the mounting bar 62 at the bottom of the apron 7 and the mounting bar 62 at the bottom of the adjacent mounting frame 6, thereby stabilizing the bottom of the apron 7.

Referring to fig. 1 and 2, in order to collect the reinforcing steel bar debris, a receiving hopper 8 is arranged at one side of the bottom of the baffle 7 close to the guide column 2, the length of the receiving hopper 8 is equal to that of the baffle 7 in the horizontal direction, and a pin shaft 80 is rotatably arranged between the middle of the receiving hopper 8 and the baffle 7 in a penetrating manner, so that the receiving hopper 8 rotates by taking the pin shaft 80 as a rotating shaft, and the material in the receiving hopper 8 is conveniently discharged; referring to fig. 2 and 3, in order to stabilize the receiving hopper 8, a limiting hook plate 81 for receiving and clamping and fixing the receiving hopper 8 is arranged at the bottom of the baffle 7, and the top end of the limiting hook plate 81 is fixed on the baffle 7 through a pin; when the reinforcing bar piece in the hopper 8 is received in the needs clearance, the staff can upwards push up the tip that is close to spacing hook plate 81 on receiving the hopper 8, receives hopper 8 and rotates to the tilt state to be convenient for receive hopper 8's piece discharge.

The implementation principle of the mechanical testing machine in the embodiment of the application is as follows: the top end of the steel bar is clamped on the upper clamping block 31 by a worker, the bottom end of the steel bar is clamped on the lower clamping block 41, then the mounting frame 6 is closed, the first magnet plate 61 and the second magnet plate 10 are adsorbed together, the testing machine is started, the screw 5 rotates and drives the lower cross beam 4 to move downwards along the guide column 2, the steel bar is gradually lengthened and finally fractured, splashed steel bar fragments when the steel bar is fractured hit on the baffle 7 and are buffered by the baffle 7 and the tension spring 70, and finally the steel bar fragments fall into the receiving hopper 8 to avoid the fragments from directly falling onto the ground, and only the receiving hopper 8 needs to be cleaned by the worker; compare in correlation technique, the condition that the reinforcing bar piece outwards splashes can effectively be improved to the mechanical testing machine of this application.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A mechanical testing machine is characterized in that: the steel bar clamping device comprises a base (1), wherein four guide columns (2) are vertically arranged on the base (1), an upper cross beam (3) is fixed at the top ends of the four guide columns (2), an upper mounting plate (30) is arranged at the bottom of the upper cross beam (3), two upper clamping blocks (31) used for clamping steel bars are connected onto the upper mounting plate (30) in a sliding manner, a lower cross beam (4) is further connected onto the guide columns (2) in a sliding manner, a lower mounting plate (40) is arranged on the lower cross beam (4), two lower clamping blocks (41) used for clamping the steel bars are connected onto the lower mounting plate (40) in a sliding manner, and a driving assembly used for driving the lower cross beam (4) to move up and down is further arranged on the base (1);

articulated between entablature (3) lateral wall and base (1) lateral wall have an installing frame (6), installing frame (6) can be dismantled with base (1), entablature (3) and be connected, be provided with in installing frame (6) and be used for stopping baffle (7) that the reinforcing bar outwards splashes, baffle (7) are the rubber material.

2. A mechanical testing machine according to claim 1, characterized in that: the area of the surface of the baffle (7) is smaller than the area of the space enclosed by the mounting frame (6), and the baffle (7) is elastically connected with the mounting frame (6).

3. A mechanical testing machine according to claim 2, characterized in that: the top end of the baffle plate (7) is connected with a tension spring (70) on the top end of the mounting frame (6), and the bottom end of the baffle plate (7) is connected with a steel wire (71) on the bottom end of the mounting frame (6).

4. A mechanical testing machine according to claim 3, characterized in that: four end angle positions of installing frame (6) and four end angle positions of baffle (7) are the rigid coupling respectively and have an installation pole (62), the tip rigid coupling of installation pole (62) has an anticreep board (63), extension spring (70) or steel wire (71) with installation pole (62) are connected.

5. A mechanical testing machine according to any one of claims 1-4, characterized in that: the mounting frame (6) is provided with a first magnet plate (61), and the base (1) and/or the upper cross beam (3) are/is provided with a second magnet plate (10) matched with the first magnet plate (61).

6. A mechanical testing machine according to any one of claims 1-4, characterized in that: and a receiving hopper (8) for collecting reinforcing steel bar scraps is arranged at the bottom end of the baffle (7).

7. A mechanical testing machine according to claim 6, characterized in that: the material receiving hopper (8) is hinged to the baffle (7), and a limiting part used for fixing the material receiving hopper (8) is further arranged on the baffle (7).

8. A mechanical testing machine according to claim 7, characterized in that: the locating part is a limiting hook plate (81), the opening of the limiting hook plate (81) faces upwards, and the receiving hopper (8) can be detachably clamped in the limiting hook plate (81).