CN221148276U

CN221148276U - Hydraulic testing machine

Info

Publication number: CN221148276U
Application number: CN202322897925.8U
Authority: CN
Inventors: 刘朝阳; 高云龙; 高鹏远
Original assignee: Hebei Xiawen Infrared Material Technology Co ltd
Current assignee: Hebei Xiawen Infrared Material Technology Co ltd
Priority date: 2023-10-27
Filing date: 2023-10-27
Publication date: 2024-06-14
Anticipated expiration: 2033-10-27

Abstract

The utility model provides a hydraulic testing machine, which comprises a machine base, wherein a fixing seat is arranged at the upper end of the machine base, sliding grooves are formed in the front, rear, left and right sides of the fixing seat in a penetrating manner, a fixing chamber is formed in the fixing seat, a fixing component is arranged on the upper end surface of the fixing seat, a protection component is arranged in the fixing chamber, a lower pressing plate is arranged at the upper end of the protection component, screw rods are symmetrically arranged at four corners of the fixing seat, regulating plates are sleeved outside the four symmetrical screw rods, mounting plates are penetrated through the other ends of the four symmetrical screw rods through bearings, a driving component is fixed at the upper end of the mounting plates, four supporting rods are symmetrically arranged at the lower ends of the regulating plates, supporting plates are arranged at the lower ends of the four symmetrical supporting rods, a hydraulic cylinder is arranged at the upper end of the supporting rods, and a hydraulic rod penetrates through the supporting plates.

Description

Hydraulic testing machine

Technical Field

The utility model relates to the technical field of hydraulic testing machines, in particular to a hydraulic testing machine.

Background

The hydraulic testing machine is mainly used for stretching, compressing, bending and shearing testing of metal materials, and can also be used for testing the bearing capacity of building materials such as cement blocks and concrete blocks, when the existing hydraulic testing machine is used, the pressing block form is required to be replaced to simulate a bearing scene, some objects are extruded to burst when the existing hydraulic testing machine works, a protective net is required to be installed around the machine, the existing hydraulic testing machine is required to place experimental objects on a workbench before closing the protective net during working, experimental operation steps can be carried out after the protective net is fixed, and therefore the hydraulic testing machine convenient to operate is required to be provided for solving the problems.

Disclosure of utility model

In order to achieve the above object, the utility model provides a hydraulic testing machine, which comprises a machine base, a fixing seat is fixedly arranged at the upper end of the machine base, sliding grooves are respectively and fixedly arranged on the front, rear, left and right sides of the fixing seat, a fixing chamber is fixedly arranged in the fixing seat, a fixing component is fixedly arranged on the surface of the upper end of the fixing seat, a protection component is fixedly arranged in the fixing chamber, a lower pressing plate is arranged at the upper end of the protection component, screw rods are symmetrically and rotatably arranged at four corners of the fixing seat, adjusting plates are sleeved outside the screw rods in four symmetry, mounting plates are fixedly arranged at the other ends of the screw rods in a penetrating manner through bearings, a driving component is fixedly arranged at the upper end of the mounting plates, four supporting rods are symmetrically arranged at the lower ends of the adjusting plates, a supporting plate is fixedly arranged at the lower ends of the four symmetrical supporting rods, a hydraulic cylinder is fixedly arranged at the upper end of the supporting rod, and a hydraulic rod is fixedly arranged at the output end of the hydraulic cylinder.

Preferably, the protection subassembly is including rotating the connecting rod that sets up four faces around the holding down plate and correspond the dead lever that sets up at four connecting rod lower fixed indoor bottoms, four symmetries rotate between dead lever and the connecting rod and be connected, four symmetries the other end of connecting rod is fixed to be equipped with the slider, four symmetries mutually support between slider and the spout, four symmetries the protection network of slider other end fixedly connected with, this structural design is simple can be closed the protection network automatically at the test machine during operation, and the operation is more convenient, and vertical gliding protection network can save certain space.

Preferably, the fixed subassembly is including fixed the setting at the rotatory piece that fixing base upper end surface is close to the protection network position, the fixed surface of rotatory piece is equipped with the fixed block, the length of fixed block is longer than the length of protection network, and this structural design is simple can fix the protection network and make things convenient for placing of experiment article.

Preferably, the driving assembly comprises driven wheels fixedly arranged at the upper ends of four symmetrical screw rods, the four symmetrical driven wheels rotate on the surface of the mounting plate through bearings, driving wheels are arranged between the driven wheels in a vertical mode in a pair by pair mode through bearings in a rotating mode, motors are fixedly arranged at the upper ends of the driving wheels in a symmetrical mode, the output ends of the motors are fixedly connected with the middle positions of the driving wheels in a symmetrical mode, the driving wheels are meshed with the driven wheels in a vertical mode, and the driving assembly is simple and convenient in structural design, drives the adjusting plate to move up and down, and accordingly compression space is convenient to adjust.

Preferably, the length of the connecting rod just when the sliding block slides in the sliding groove to drive the protective net to slide to the uppermost end, the other end of the connecting rod drives the lower pressing plate to be tightly attached to the bottom in the fixed chamber, and the structure is simple and convenient to squeeze articles.

Preferably, the fixed resistance spring that is equipped with in the fixed position that is close to the dead lever of four symmetrical connecting rods, the fixed bottom that sets up in the fixed chamber of the other end of resistance spring, this structural design is simple and convenient plays certain cushioning effect, slows down the down clamp plate down the speed when moving, prevents that the protection network from upwards sliding too fast.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up frame, fixing base, protection subassembly, mounting panel, bracing piece, backup pad, hydraulic cylinder, hydraulic stem, top board, cooperation between the holding down plate can be closed the protection network in the during operation voluntarily, prevents that the extrusion from causing the injury to the staff to the article after exploding to split during the experiment, through setting up compression space when conveniently adjusting the experiment of cooperation between regulating plate, mounting panel, regulating plate, the lead screw, through setting up the cooperation convenience between the fixed subassembly will need the article of experiment to place on the holding down plate before the experiment.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a conversion assembly according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a mounting base according to the present utility model;

Fig. 4 is a schematic diagram of the overall side view structure of the present utility model.

In the figure: 1. a base; 2. a fixing seat; 3. a protective assembly; 4. a fixing assembly; 5. a screw rod; 6. an adjusting plate; 7. a mounting plate; 8. a drive assembly; 9. a hydraulic cylinder; 21. a chute; 22. a stationary chamber; 31. a protective net; 32. a lower pressing plate; 33. a connecting rod; 331. a slide block; 34. a fixed rod; 35. a resistance spring; 41. a rotating block; 42. a fixed block; 61. a support rod; 62. a support plate; 81. a motor; 82. a driving wheel; 83. driven wheel; 91. a hydraulic rod; 92. and (5) an upper pressing plate.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-4, a fixing seat 2 is fixedly arranged at the upper end of the stand 1, sliding grooves 21 are respectively formed in the front, rear, left and right sides of the fixing seat 2, a fixing chamber 22 is fixedly arranged in the fixing seat 2, a fixing component 4 is fixedly arranged at the upper end surface of the fixing seat 2, a protecting component 3 is fixedly arranged in the fixing chamber 22, a lower pressing plate 32 is arranged at the upper end of the protecting component 3, a screw rod 5 is symmetrically arranged at four corners of the fixing seat 2 in a rotating manner, an adjusting plate 6 is sleeved outside the screw rod 5 in four symmetry, a mounting plate 7 is fixedly arranged at the other ends of the screw rod 5 in four symmetry in a penetrating manner through bearings, a driving component 8 is fixedly arranged at the upper end of the mounting plate 7, four supporting rods 61 are fixedly arranged at the lower end of the adjusting plate 6 in symmetry, a supporting plate 62 is fixedly arranged at the lower end of the four symmetry supporting rods 61, a hydraulic cylinder 9 is fixedly arranged at the upper end of the supporting rod 61, a hydraulic rod 91 is fixedly arranged at the output end of the hydraulic cylinder 9, and the other end of the hydraulic rod 91 is movably connected with an upper pressing plate 92 in a penetrating manner, when the hydraulic cylinder 9 is started to conduct a pressure test, the hydraulic rod 31 is automatically, the pressure crack is prevented from being damaged, and the experiment is more easily and the experiment is easy to be started, and the experiment is easy to be easy to operate.

Referring to fig. 1, 2 and 4, the protection component 3 includes a connecting rod 33 rotatably disposed on the front, rear, left and right sides of the lower pressure plate 32, and a fixing rod 34 correspondingly disposed on the bottom of the lower fixing chamber 22 of the four connecting rods 33, the four symmetrical fixing rods 34 are rotatably connected with the connecting rod 33, the other ends of the four symmetrical connecting rods 33 are fixedly provided with sliding blocks 331, the four symmetrical sliding blocks 331 are mutually matched with the sliding grooves 21, the other ends of the four symmetrical sliding blocks 331 are fixedly connected with a protection net 31, and the protection net 31 can be automatically closed when the testing machine works, so that the operation is more convenient, and a certain space can be saved by the vertically sliding protection net 31.

Please refer to fig. 1, the fixing assembly 4 includes a rotating block 41 fixedly disposed on the upper end surface of the fixing base 2 and close to the position of the protective screen 31, a fixing block 42 is fixedly disposed on the surface of the rotating block 41, and the length of the fixing block 42 is longer than that of the protective screen 31.

Referring to fig. 1 and 4, the driving assembly 8 includes a driven wheel 83 fixedly disposed at the upper end of four symmetrical screw rods 5, the four symmetrical driven wheels 83 rotate on the surface of the mounting plate 7 through bearings, a driving wheel 82 is rotatably disposed between the driven wheels 83 of the four symmetrical driven wheels 83 in a vertical direction, a motor 81 is fixedly disposed at the upper end of the driving wheel 82, the output end of the motor 81 is fixedly connected with the middle position of the driving wheel 82, and the driving wheel 82 of the symmetry is meshed with the driven wheels 83 of the vertical direction.

Referring to fig. 1 and 3, the length of the connecting rod 33 just slides in the sliding groove 21 to drive the protective net 31 to slide to the uppermost end, and the other end of the connecting rod 33 drives the lower pressing plate 32 to be tightly attached to the inner bottom of the fixing chamber 22.

Referring to fig. 3, the four symmetrical connecting rods 33 are fixedly provided with a resistance spring 35 at a position close to the fixing rod 34, and the other end of the resistance spring 35 is fixedly arranged at the bottom in the fixing chamber 22.

Example 1:

When the device is required to be used for pressure test, an object to be tested is placed at the upper end of the lower pressure plate 32 in the fixed seat 2 at the upper end of the machine base 1, then the symmetrical motor 81 at the upper end of the mounting plate 7 is started, the symmetrical motor 81 drives the driving wheel 82 to rotate, the driving wheel 82 drives the vertically symmetrical driven wheel 83 to rotate, the vertically symmetrical driven wheel 83 drives the vertically symmetrical forehead screw 5 to rotate, the screw 5 drives the adjusting plate 6 to move, the adjusting plate 6 drives the supporting rod 61, the supporting plate 62, the hydraulic cylinder 9, the hydraulic rod 91 and the upper pressure plate 92 to move to a proper position, then the rotating block 41 rotates, the rotating block 41 drives the fixed block 42 to rotate away from the upper end of the protective screen 31, at the moment, the lower pressure plate 32 drives the four symmetrical rotating rods to rotate under the rotation connection cooperation of the fixed rod 34, at the moment, the resistance spring 35 plays a role of buffering, the four symmetrical connecting rods 33 drive the sliding blocks 331 to slide in the sliding groove 21, the four symmetrical sliding blocks 331 drive the protective screen 31 to move upwards to the top under the cooperation of the sliding groove 21, the lower pressure plate 32 and the bottom in the fixed chamber 22 to contact and tightly, at the moment, the hydraulic cylinder 9 is started, the hydraulic cylinder 9 drives the hydraulic rods 91 and the upper pressure plate 92 to move, and the object can be extruded.

Claims

1. A hydraulic testing machine, characterized in that: including frame (1), frame (1) upper end is fixed and is equipped with fixing base (2), fixing base (2) all run through around four sides and are equipped with spout (21), fixing base (2) internal fixation has seted up fixed room (22), fixing base (2) upper end fixed surface is equipped with fixed subassembly (4), fixed room (22) internal fixation is equipped with protection subassembly (3), protection subassembly (3) upper end is equipped with holding down plate (32), fixing base (2) four corners position equal symmetry rotation is equipped with lead screw (5), four symmetries lead screw (5) outer rotation cover is equipped with regulating plate (6), four symmetries the other end of lead screw (5) is equipped with mounting panel (7) through the bearing run through the fixed connection, mounting panel (7) upper end is fixed and is equipped with drive assembly (8), regulating plate (6) lower extreme fixed symmetry is equipped with four bracing pieces (61), four symmetries bracing piece (61) lower extreme is fixed and is equipped with backup pad (62), bracing piece (61) upper end is fixed and is equipped with hydraulic cylinder (9), the output of fixing base (2) four symmetries lead screw (5) the other end (91) is equipped with movable connection clamp plate (91).

2. A hydraulic testing machine according to claim 1, wherein: the protection component (3) comprises connecting rods (33) which are arranged on the front surface, the rear surface, the left surface and the right surface of the lower pressing plate (32) in a rotating mode and fixing rods (34) which are correspondingly arranged at the bottoms in the four lower fixing chambers (22) of the connecting rods (33), the four fixing rods (34) are connected with the connecting rods (33) in a rotating mode, sliding blocks (331) are fixedly arranged at the other ends of the four connecting rods (33), the four sliding blocks (331) are matched with the sliding grooves (21), and protection nets (31) are fixedly connected with the other ends of the four sliding blocks (331).

3. A hydraulic testing machine according to claim 1, wherein: the fixing assembly (4) comprises a rotating block (41) fixedly arranged on the upper end surface of the fixing seat (2) and close to the position of the protective net (31), a fixing block (42) is fixedly arranged on the surface of the rotating block (41), and the length of the fixing block (42) is longer than that of the protective net (31).

4. A hydraulic testing machine according to claim 1, wherein: the driving assembly (8) comprises driven wheels (83) fixedly arranged at the upper ends of four symmetrical screw rods (5), the four symmetrical driven wheels (83) rotate on the surface of the mounting plate (7) through bearings, driving wheels (82) are arranged between the four symmetrical driven wheels (83) in a vertical mode in a pair and are rotatably arranged through bearings, motors (81) are fixedly arranged at the upper ends of the driving wheels (82), the output ends of the motors (81) are fixedly connected with the middle positions of the driving wheels (82), and the driving wheels (82) are in symmetrical mutual engagement with the driven wheels (83) in a vertical mode.

5. A hydraulic testing machine according to claim 2, wherein: the length of the connecting rod (33) is just when the sliding block (331) slides in the sliding groove (21) to drive the protective net (31) to slide to the uppermost end, and the other end of the connecting rod (33) drives the lower pressing plate (32) to be tightly attached to the inner bottom of the fixed chamber (22).

6. A hydraulic testing machine according to claim 2, wherein: the four symmetrical connecting rods (33) are fixedly provided with resistance springs (35) at positions close to the fixing rods (34), and the other ends of the resistance springs (35) are fixedly arranged at the bottom in the fixing chamber (22).