CN219511952U

CN219511952U - High-efficient safe electrohydraulic servo universal test device

Info

Publication number: CN219511952U
Application number: CN202320172551.0U
Authority: CN
Inventors: 宓艳萍; 刘芳芳; 孙志涛; 武继军; 贾爱玲; 何昊洋; 郭素乾
Original assignee: Yanchi Melt Salt Testing Co ltd
Current assignee: Yanchi Melt Salt Testing Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-08-11
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses an efficient and safe electrohydraulic servo universal test device, and relates to the field of test devices. The utility model comprises the following steps: the device comprises a device main body, wherein a first screw rod and a second screw rod are vertically arranged in the device main body, screw rod sleeves are arranged on the first screw rod and the second screw rod, connectors are fixedly arranged on the screw rod sleeves, a clamp head is connected with the connectors through sleeves, and connecting rods connected with rotating shafts are arranged in the clamp head.

Description

High-efficient safe electrohydraulic servo universal test device

Technical Field

The utility model relates to the field of test devices, in particular to a high-efficiency and safe electrohydraulic servo universal test device.

Background

The microcomputer-controlled electrohydraulic servo universal tester integrates the functions of servo automatic control, automatic measurement, data acquisition, screen display and test result processing of the current collector, takes a host machine with a lower oil cylinder as a platform, is provided with an inlet oil pump, an electrohydraulic servo valve and a PC servo controller, realizes multi-channel closed-loop control, completes the functions of full automatic control, automatic measurement and the like of the test process, has the characteristics of good specialization, high reliability, simplicity and easiness in upgrading and the like, can be continuously and fully filled along with the development of testing machine measurement and control technology and the change of testing standards, and is mainly used for metal and nonmetal stretching, compression and bending tests.

The existing test devices have various types and kinds, and the test direction of the test device with a single type is limited, so that when the test device is designed, attention needs to be paid to whether the test device is convenient to change the test direction.

Accordingly, the inventor has the problem of providing an electrohydraulic servo universal test device with high efficiency and safety, which is expected to achieve the purpose of higher practical value by keeping the experience of the design development and the actual production in the related industry for years and researching and improving the existing structure and the defects.

Disclosure of Invention

Based on the above, the utility model aims to provide an efficient and safe electrohydraulic servo universal test device so as to solve the technical problem that the test direction of a single type of test device is limited.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an efficient and safe electrohydraulic servo universal test device, comprising: the device comprises a device main body, a first screw rod and a second screw rod are vertically arranged in the device main body, screw rod sleeves are arranged on the first screw rod and the second screw rod, a connector is fixedly arranged on the screw rod sleeves, a clamp head is connected to the connector through a sleeve, a pressure end is arranged on the clamp head, a connecting rod connected with a rotating shaft is arranged in the clamp head, clamping plates are connected to two ends of the connecting rod through arc-shaped rods, and clamping faces are arranged on the inner sides of the clamping plates.

Through adopting above-mentioned technical scheme, the staff passes through actuating mechanism drive shaft rotation, and the drive connecting rod of drive shaft is rotatory to drive splint through the arc pole and remove to the centre, thereby carry out the centre gripping to test article, clamping structure is simple and convenient, and clamping stability is high, and is with low costs, and the workman can drive two gripping heads and go up and down after the centre gripping is accomplished, carries out experiments such as tensile, bend to test article, has improved experimental stability.

Further, a limit groove is formed in the bottom of the clamp head, and the clamping plate penetrates through the limit groove and is arranged in the limit groove in a sliding mode.

Through adopting above-mentioned technical scheme, splint slide in the spacing inslot, can carry out spacingly to the splint, improved splint gliding stability and flexibility.

Further, a driving shaft is arranged at the center of the connecting rod, the driving shaft is driven by a driving mechanism, the axle center of the driving shaft is at the same horizontal height with the axle centers of the connecting shafts of the clamping plates and the arc-shaped rods, and the two arc-shaped rods are arranged along the axle center mirror image of the driving shaft.

Through adopting above-mentioned technical scheme, the centre gripping mode of two splint is simple, simple structure, simple to operate is favorable to production.

Further, four threaded holes are formed in the outer surface of the sleeve, four threaded holes are formed in the outer surface of the connector, and the bolts penetrate through the threaded holes in the sleeve and extend into the threaded holes in the connector.

Through adopting above-mentioned technical scheme, when needs carry out withstand voltage test to detecting article, the workman is become flexible and dismantles the bolt, then rotatory anchor clamps head, makes its degree of overturning, makes the pressure end of two anchor clamps heads relative, then drives first lead screw and second lead screw through actuating mechanism and rotate to make two anchor clamps heads close and remove, extrude the test article, can test its withstand voltage performance.

Further, a driving cavity is formed in the upper portion of the inside of the device main body, a driving mechanism and a driven gear are installed in the driving cavity, the output end of the driving mechanism is connected with a driving gear, the driving gear is connected with the driven gear through a chain, a first screw rod extends into the driving cavity and is connected with the driving gear, and a second screw rod extends into the driving cavity and is connected with the driven gear.

Through adopting above-mentioned technical scheme, actuating mechanism drive first lead screw is rotatory to drive driven gear through the chain and rotate, driven gear drives the rotation of second lead screw, thereby drive first lead screw and the same direction same speed rotation of second lead screw, be favorable to the lift of anchor clamps head.

Further, two clamp heads are arranged in a mirror image mode, the two clamp heads are respectively connected with two screw rod sleeves, the two screw rod sleeves are in a group, and the directions of screws in the two screw rod sleeves are opposite.

Further, an operation panel is installed on one side of the device main body, the operation panel is electrically connected with the driving mechanism, a protective door is installed on the outer surface of the device main body, and a protective window is installed on the protective door.

Through adopting above-mentioned technical scheme, improved the barrier propterty of device main part, be favorable to workman's security.

In summary, the utility model has the following advantages:

according to the utility model, the clamp head, the pressure end, the connecting rod, the arc-shaped rod, the clamping plate, the clamping surface, the sleeve and the limiting groove are arranged, when the clamp is used, a worker drives the driving shaft to rotate through the driving mechanism, and the driving shaft drives the connecting rod to rotate, so that the clamping plate is driven to move towards the middle through the arc-shaped rod, and the clamp is used for clamping a test object, and has the advantages of simple and convenient clamping structure, high clamping stability and low cost;

according to the utility model, the connecting head is connected with the sleeve, the threaded holes are formed in the outer sides of the sleeve and the connecting head, the sleeve and the connecting head are arranged in a disassembling mode through the bolts, when a test article is extruded and tested, a worker loosens and disassembles the bolts, then rotates the clamp heads to enable the clamp heads to turn over 180 degrees, the pressure ends of the two clamp heads are opposite, and then the first screw rod and the second screw rod are driven to rotate through the driving mechanism, so that the two clamp heads are enabled to move approximately, and the pressure resistance of the test article can be tested by extruding the test article.

Drawings

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

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

FIG. 3 is a schematic view of a part of the structure of the fixture head of the present utility model;

fig. 4 is a schematic view of the sleeve structure of the present utility model.

In the figure: 1. a device body; 2. a protective door; 201. a protective window; 3. a drive chamber; 301. a driving mechanism; 302. a chain; 303. a driven gear; 304. a first screw rod; 305. a screw rod sleeve; 306. a second screw rod; 307. a connector; 4. a clamp head; 401. a pressure end; 402. a connecting rod; 403. an arc-shaped rod; 404. a clamping plate; 405. a clamping surface; 406. a sleeve; 407. a limit groove; 5. an operation panel.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

An efficient and safe electrohydraulic servo universal test device, as shown in figures 1, 2, 3 and 4, comprises: the device body 1, the inside of device body 1 is vertical installs first lead screw 304 and second lead screw 306, all be equipped with screw sleeve 305 on first lead screw 304 and the second lead screw 306, be fixed with connector 307 on the screw sleeve 305, connector 307 is connected with anchor clamps head 4 through sleeve 406, be equipped with pressure end 401 on the anchor clamps head 4, the inside of anchor clamps head 4 is equipped with the connecting rod 402 that the pivot is connected, the both ends of connecting rod 402 are connected with splint 404 through arc pole 403, the inboard of splint 404 is equipped with clamping face 405, the staff passes through actuating mechanism drive shaft rotation, the drive connecting rod of drive shaft is rotatory, thereby drive splint through the arc pole and remove to the centre, thereby carry out the centre gripping to test article, clamping structure is simple and convenient, the centre gripping stability is high, with low costs, the workman can drive two grip heads and go up and down, test such as tensile, bend to test article, stability of test has been improved.

Referring to fig. 2 and 3, a limit slot 407 is provided at the bottom of the fixture head 4, the clamping plate 404 penetrates through the limit slot 407 and slides in the limit slot 407, a driving shaft is installed at the center of the connecting rod 402, the driving shaft is driven by a driving mechanism, the axes of the driving shaft, the clamping plate 404 and the connecting shaft of the arc rods 403 are at the same horizontal height, the two arc rods 403 are arranged along the axis mirror image of the driving shaft, the clamping mode of the two clamping plates 404 is simple, the structure is simple, the installation is convenient, the production is facilitated, the clamping plates 404 slide in the limit slot 407, the clamping plates 404 can be limited, and the sliding stability and the sliding flexibility of the clamping plates 404 are improved.

Referring to fig. 2, 3 and 4, four threaded holes are formed in the outer surface of the sleeve 406, four threaded holes are formed in the outer surface of the connector 307, and bolts penetrate through the threaded holes in the sleeve 406 and extend into the threaded holes in the connector 307, when pressure resistance test is required to be performed on a detected article, a worker loosens and dismantles the bolts, then rotates the clamp heads 4 to turn over 180 degrees, the pressure ends 401 of the two clamp heads 4 are opposite, and then drives the first screw rod 304 and the second screw rod 306 to rotate through the driving mechanism 301, so that the two clamp heads 4 are moved approximately, and the pressure resistance performance of the detected article can be tested by extruding the detected article.

Referring to fig. 1, 2, 3 and 4, a driving cavity 3 is arranged above the inside of the device main body 1, a driving mechanism 301 and a driven gear 303 are installed in the driving cavity 3, an output end of the driving mechanism 301 is connected with a driving gear, the driving gear is connected with the driven gear 303 through a chain 302, a first screw rod 304 extends into the driving cavity 3 and is connected with the driving gear, a second screw rod 306 extends into the driving cavity 3 and is connected with the driven gear 303, two clamp heads 4 are arranged in a mirror image mode, the two clamp heads 4 are respectively connected with two screw rod sleeves 305, the two screw rod sleeves 305 are in a group, the directions of screws in the two screw rod sleeves 305 are opposite, the driving mechanism 301 drives the first screw rod 304 to rotate, the driven gear 303 is driven by the chain 302, the driven gear 303 drives the second screw rod 306 to rotate, and accordingly the first screw rod 304 and the second screw rod 306 are driven to rotate at the same speed in the same direction, and lifting of the clamp heads 4 is facilitated.

Referring to fig. 1 and 2, an operation panel 5 is installed on one side of a device body 1, and the operation panel 5 is electrically connected with a driving mechanism 301, a protective door 2 is installed on an outer surface of the device body 1, and a protective window 201 is installed on the protective door 2, so that the protective performance of the device body 1 is improved, and the safety of workers is facilitated.

The implementation principle of the embodiment is as follows: firstly, the device main body 1 is installed, the power supply is connected, the protective door 2 is opened, a test article is placed on the clamp heads 4, a worker drives the driving shaft to rotate through the driving mechanism, the driving rod 402 of the driving shaft is driven to rotate, the clamping plate 404 is driven to move towards the middle through the arc-shaped rod 403, the test article is clamped, the driving mechanism 301 is started after clamping, the first screw rod 304 and the second screw rod 306 are driven to rotate, the two clamp heads 4 are driven to approach or separate, the test article is stretched or bent, the performance of the article is tested, when the pressure resistance test is required to be carried out on the test article, a worker loosens and dismantles the bolts, then rotates the clamp heads 4 to turn the clamp heads 180 degrees, the pressure ends 401 of the two clamp heads 4 are opposite, then the driving mechanism 301 drives the first screw rod 304 and the second screw rod 306 to rotate, the two clamp heads 4 are enabled to move close to each other, and the pressure resistance performance of the test article is tested.

The parts not involved in the present utility model are the same as or can be implemented by the prior art, and are not described in detail herein.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. An efficient and safe electrohydraulic servo universal test device, comprising: device main part (1), first lead screw (304) and second lead screw (306) are vertically installed to the inside of device main part (1), all be equipped with screw sleeve (305) on first lead screw (304) and second lead screw (306), be fixed with connector (307) on screw sleeve (305), connector (307) are connected with anchor clamps head (4) through sleeve pipe (406), be equipped with pressure end (401) on anchor clamps head (4), the inside of anchor clamps head (4) is equipped with connecting rod (402) that the pivot is connected, the both ends of connecting rod (402) are connected with splint (404) through arc pole (403), the inboard of splint (404) is equipped with clamping face (405).

2. The high-efficiency and safe electrohydraulic servo universal test device of claim 1, wherein: the bottom of the fixture head (4) is provided with a limit groove (407), and the clamping plate (404) penetrates through the limit groove (407) and is arranged in a sliding manner in the limit groove (407).

3. The high-efficiency and safe electrohydraulic servo universal test device of claim 1, wherein: the center position of the connecting rod (402) is provided with a driving shaft, the driving shaft is driven by a driving mechanism, the axle center of the driving shaft, the axle centers of the connecting shafts of the clamping plates (404) and the arc-shaped rods (403) are positioned at the same horizontal height, and the two arc-shaped rods (403) are arranged along the axle center mirror image of the driving shaft.

4. The high-efficiency and safe electrohydraulic servo universal test device of claim 1, wherein: four threaded holes are formed in the outer surface of the sleeve (406), four threaded holes are formed in the outer surface of the connector (307), and bolts penetrate through the threaded holes in the sleeve (406) and extend into the threaded holes in the connector (307).

5. The high-efficiency and safe electrohydraulic servo universal test device of claim 1, wherein: the device is characterized in that a driving cavity (3) is formed in the upper portion of the inside of the device body (1), a driving mechanism (301) and a driven gear (303) are arranged in the driving cavity (3), the output end of the driving mechanism (301) is connected with a driving gear, the driving gear is connected with the driven gear (303) through a chain (302), a first screw rod (304) extends into the driving cavity (3) and is connected with the driving gear, and a second screw rod (306) extends into the driving cavity (3) and is connected with the driven gear (303).

6. The high-efficiency and safe electrohydraulic servo universal test device of claim 1, wherein: the fixture head (4) is provided with two fixture heads (4) in mirror image arrangement, the two fixture heads (4) are respectively connected with two screw rod sleeves (305), the two screw rod sleeves (305) are in one group, and the directions of screws in the two groups of screw rod sleeves (305) are opposite.

7. The high-efficiency and safe electrohydraulic servo universal test device of claim 1, wherein: an operation panel (5) is installed on one side of the device main body (1), the operation panel (5) is electrically connected with the driving mechanism (301), a protective door (2) is installed on the outer surface of the device main body (1), and a protective window (201) is installed on the protective door (2).