CN211206005U

CN211206005U - Lifting table of tensile testing machine

Info

Publication number: CN211206005U
Application number: CN201922232096.5U
Authority: CN
Inventors: 张子寅
Original assignee: Ningbo Jixiang Power And Mechanic Tools Manufacturing Co ltd
Current assignee: Ningbo Jixiang Power And Mechanic Tools Manufacturing Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-08-07
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a tensile testing machine's lift table, its characterized in that: comprises a frame, a lifting table and a tension device; the two ends of the rack are provided with fixing frames for fixing the tension device, the rack comprises a first sub rack and a second sub rack which have the same structure, and the first sub rack and the second sub rack are symmetrically arranged and detachably connected; the lifting table is arranged in the rack and comprises a controller, a table board and a lifting device, the lifting device is arranged at two ends of the lifting table, and the controller controls the lifting device to enable the lifting table to move up and down; the tension device comprises a tension machine and positioning columns, the tension machine and the positioning columns are respectively installed on the fixing frames at the two ends of the rack, the positioning columns are connected with the fixing frames through the tension components, and the tension device has the advantages of being stable and safe in structure, fast and efficient in test process and convenient to operate by workers.

Description

Lifting table of tensile testing machine

Technical Field

The utility model relates to a check out test set technical field, concretely relates to tensile testing machine's lift table.

Background

The tension tester is also named as a universal material tester, and is a mechanical stress tester for testing mechanical properties of various materials such as static load, tension, compression, bending, shearing, tearing, peeling and the like of instruments and equipment, and is suitable for testing various physical and mechanical properties of materials such as plastic plates, pipes, profiled bars, plastic films, rubber, electric wires and cables, steel, glass fiber and the like, is developed for the materials, is indispensable detection equipment for physical property tests, teaching research, quality control and the like, a clamp of the tension machine is used as an important component of the instrument, different materials need different clamps, and the tension machine is an important factor for smooth test and high accuracy of test results.

Wherein the tensile testing machine of test fixing-line device intensity generally all is the main equipment, current tensile testing machine or equipment volume undersize, when the personnel are experimental, the little work difficulty of operating space, the pulling force upper limit of machine is also less, or equipment volume is too big, occupation space is also big, weight is overweight, be difficult to move, also can't deal with the test demand under the different cable length, and the workstation that material was placed to current tensile testing machine is mostly fixed placing, the operation process of tensile machine is slower, consequently, the time of flare-outing cable is prolonged, work efficiency is lower, the cable also has the possibility of breaking and breaking out in the process of the experiment, so need have corresponding safeguard measure.

Therefore, it is an urgent need for those skilled in the art to improve the conventional tensile testing machine to overcome the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tensile testing machine and control method that structural strength is high, workman convenient operation, the accurate safety of testing process.

Another object of the utility model is to provide a tensile testing machine's that can go up and down fast and stably lift table.

Another object of the utility model is to provide a stable in structure can increase equipment length in order to adapt to different experimental demands through the concatenation to bear great pulling force non-deformable's tensile testing machine's frame.

Another object of the utility model is to provide a can effectively fix tension device prevents that it from removing, and the tensile subassembly of the high non-deformable's of structural strength tensile testing machine.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a tension tester comprises a frame, a lifting table and a tension device;

the frame is a frame type frame, the frame is provided with an upper beam and a lower beam, the lower beam of the frame is contacted with the ground, fixing frames for fixing the tension device are arranged at two ends of the frame, the frame comprises a first sub frame and a second sub frame which have the same structure, and the first sub frame and the second sub frame are symmetrically arranged and detachably connected;

the lifting table is arranged in the rack and comprises a controller, a table plate and a lifting device, the lifting device is installed at two ends of the lifting table, the controller controls the lifting device to enable the lifting table to move up and down, the lifting device comprises a first lifting rod and a second lifting rod, the first lifting rod and the second lifting rod are arranged in a crossed mode, are rotatably connected and are installed on two sides of the table plate, one end of the first lifting rod is connected with the rack in a sliding mode, the other end of the first lifting rod is connected with the table plate in a rotating mode, one end of the second lifting rod is connected with the table plate in a sliding mode, and the other end of the second lifting rod is connected with the rack in a rotating mode;

the tension device comprises a tension machine and a positioning column, the tension machine and the positioning column are respectively installed on the fixing frames at the two ends of the rack, and the positioning column is connected with the fixing frames through a tension assembly.

Specifically, the fixing frame comprises a transverse support, a first longitudinal support and a second longitudinal support, the transverse support is fixedly connected with the rack, the first longitudinal support is fixedly connected with the transverse support and the rack, the second longitudinal support is fixedly connected with the transverse support, and a tension device passing opening is formed between the second longitudinal support and the transverse support.

Specifically, the tensile subassembly includes tensile board and tensile piece, tensile board cover in the mount outside, be provided with the confession on the tensile board the clearing hole that the reference column passed, tensile piece fixed set up in on the tensile board, tensile piece includes square tensile base and arch fixed plate, two arch fixed plate parallel arrangement in on the square tensile base, the reference column rotates set up in two between the arch fixed plate, the arch fixed plate outside still is provided with the triangle-shaped strengthening rib of two sets of symmetries of each other.

Specifically, the tail end of the connecting end of the first sub-frame and the second sub-frame is longitudinally provided with a long connecting plate, the two long connecting plates are fixedly connected, the two sides of the connecting end of the first sub-frame and the two sides of the connecting end of the second sub-frame are transversely provided with short connecting plates, the frame further comprises a fixing plate, and the fixing plate is fixedly connected with the two adjacent short connecting plates.

As an improvement, the two sides of the rack are provided with triangular supporting blocks and supporting rods, the triangular supporting blocks are arranged at the structural connection part of the rack, and the supporting rods are fixedly connected with the upper beam of the rack and the lower beam of the rack.

As an improvement, a U-shaped sliding rail is arranged between the upper frame beam and the lower frame beam, and two sides of the U-shaped sliding rail are respectively provided with a partition plate in a sliding manner.

As an improvement, connecting rods are arranged between the first lifting rods at the two sides of the same end, the connecting rods are connected through transmission rods, and the controller is rotatably connected with the connecting rods at one end.

As an improvement, the length of the tensile plate is the same as the width of the frame, and the width of the tensile plate is greater than the length of the square tensile base.

As an improvement, a plurality of rows of observation holes are arranged on the partition board at equal intervals.

The utility model discloses still relate to a tensile testing machine's control method, its characterized in that: the device comprises a tension digital display instrument, an oil cylinder, a low-pressure pump and a high-pressure pump, wherein a fixed value a of the tension digital display instrument is set as a test rated load, a fixed value b of the tension digital display instrument is set as one half of the test rated load, when the oil cylinder starts to work, the low-pressure pump and the high-pressure pump simultaneously supply oil and are quickly tensioned, when the load reaches the fixed value b, the low-pressure pump is cut off from supplying oil, the high-pressure pump slowly supplies oil to be pulled to the fixed value a, when the load reaches the set value of the fixed value a, the high-pressure pump is cut off from supplying oil, the oil cylinder keeps a locked state, when a workpiece deforms or the oil leakage of the oil cylinder causes the reduction of tension, the high-pressure pump starts to supply oil and keeps the rated test tension, the error of the tension value is 0-1 Kn, and when the tension time.

Compared with the prior art, the utility model has the advantages of: this tensile testing machine is through having improved traditional rack construction, become the console mode with the frame, distance between the frame framework can make things convenient for the staff to operate, reduce the oppression and feel and the operation degree of difficulty, the frame has been divided into the left and right sides two parts of symmetry, through dismantling connection structure, realize the split and the combination of frame main part, can prolong frame length according to experimental demand, the lift table that sets up in the frame, can make things convenient for the staff to operate when descending, when testing, the lift table can rise, reduce tensile testing machine's working stroke, accelerate test speed, the frame both ends set up the mount of having strengthened, and be connected with tensile subassembly, realize the stable fixed to tensile machine and reference column, slidable partition has been add to the frame both sides, reduce the dangerous accident that probably causes when the cable collapses absolutely.

Drawings

Fig. 1 is an overall structural view of a preferred embodiment according to the present invention;

fig. 2 is a front view of a preferred embodiment according to the present invention;

fig. 3 is a left side view of a preferred embodiment according to the present invention;

fig. 4 is a structural view of the rear mount with the tensile member removed according to a preferred embodiment of the present invention;

fig. 5 is a cross-sectional view taken along a-a direction in fig. 3 according to a preferred embodiment of the present invention;

fig. 6 is an enlarged view at a in fig. 1 according to a preferred embodiment of the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 6, a preferred embodiment of the present invention comprises a frame 1, a lifting table 2 and a tension device 3;

the frame 1 is a frame type frame, the frame 1 is provided with an upper beam 11 and a lower beam 12, the lower beam 12 is in contact with the ground to form a floor type frame, the height of the frame 1 is about 1.8 m, the working space of workers is ensured, the oppressive feeling is reduced, fixing frames 13 for fixing the tension device 3 are arranged at two ends of the frame 1, the frame 1 comprises a first sub frame 14 and a second sub frame 15 which are identical in structure, the first sub frame 14 and the second sub frame 15 are symmetrically arranged and detachably connected, an additional frame 1 can be spliced according to the test requirement, the length of the frame 1 is increased, and the frame 1 can be conveniently detached and carried;

the lifting table 2 is arranged in the frame 1, the lifting table 2 comprises a controller 21, a table plate 22 and a lifting device 23, the lifting device 23 is arranged at two ends of the lifting table 2, the controller 21 controls the lifting device 23 to enable the lifting table 2 to move up and down, the lifting device 23 comprises a first lifting rod 231 and a second lifting rod 232, the first lifting rod 231 and the second lifting rod 232 are arranged in a crossed mode and are connected in a rotating mode and are arranged at two sides of the table plate 22, one end of the first lifting rod 231 is connected with the frame 1 in a sliding mode, the other end of the first lifting rod 231 is connected with the table plate 22 in a rotating mode, one end of the second lifting rod 232 is connected with the table plate 22 in a sliding mode, the other end of the second lifting rod 232 is connected with the frame 1 in a rotating mode, the lifting table 2 is lifted hydraulically, control is convenient, the height can be adjusted according to installation requirements of products, and the process of, if the lifting table 2 is not arranged, the bending degree of the cable is too large, the straightening process is prolonged, and the test efficiency is seriously influenced;

the tension device 3 comprises a tension machine 31 and a positioning column 32, the tension machine 31 and the positioning column 32 are respectively installed on the fixing frames 13 at two ends of the rack 1, the positioning column 32 is connected with the fixing frames 13 through a tension assembly 33, the connection strength of the tension machine 31 and the positioning column 32 with the rack 1 is enhanced, and the possibility of deformation and damage is reduced.

The fixing frame 13 comprises a transverse support 131, a first longitudinal support 132 and a second longitudinal support 133, the two transverse supports 131 are fixedly connected with the rack 1, the first longitudinal support 132 is fixedly connected with the transverse support 131 and the rack 1, the two second longitudinal supports 133 are fixedly connected with the two transverse supports 131, a tension device passing opening 134 is formed between the two second longitudinal supports 133 and the two transverse supports 131, the structure adapts to the connection with the tension device 3 and enhances the structural firmness, and the tension device 3 is ensured not to be separated from the rack 1 or the rack 1 is deformed.

Tensile assembly 33 includes tensile board 331 and tensile piece 332, tensile board 331 covers the mount 13 outside, be provided with the through hole 333 that supplies reference column 32 to pass on tensile board 331, tensile piece 332 is fixed to be set up on tensile board 331, tensile board 331 is used for the dispersed pressure, with power homodisperse to mount 13 on, tensile piece 332 includes square tensile base 334 and arch fixed plate 335, two arch fixed plate 335 parallel arrangement are on square tensile base 334, reference column 32 rotates and sets up between two arch fixed plate 335, the arch fixed plate 335 outside still is provided with two sets of triangle-shaped strengthening ribs 336 of mutual symmetry, tensile board 331 fixes reference column 32 completely, make reference column 32 can not take place the skew and rotate.

First branch frame 14 and the second divide the terminal longitudinal installation of the link of frame 15 to have long connecting plate 16, two long connecting plate 16 fixed connection, short connecting plate 17 is transversely installed to first branch frame 14 and the second branch frame 15's link both sides, frame 1 still includes fixed plate 18, two adjacent short connecting plate 17 of fixed plate 18 fixed connection, utilize horizontal and fore-and-aft dual fixed, it is firm to make first branch frame 14 and second divide frame 15 to connect, can open convenient dismantlement with this structure when needs the transport, also can utilize this structure to splice when needs increase length.

The two sides of the rack 1 are provided with triangular supporting blocks 191 and supporting rods 192, the triangular supporting blocks 191 are arranged at structural joints of the rack 1 to prevent the rack 1 from being scattered, the supporting rods 192 are fixedly connected with the upper rack beam 11 and the lower rack beam 12, and the supporting rods 192 are used for supporting the upper rack beam 11.

Be provided with U type slide rail 193 between frame upper beam 11 and the frame underbeam 12, U type slide rail 193 both sides slide respectively and are provided with a baffle 194, and baffle 194 can slide, can overlap and accomodate, reserves the space and gives the staff, expandes two baffles 194 during the machine operation, can realize protect function.

The connecting rods 233 are arranged between the first lifting rods 231 on the two sides of the same end, the connecting rods 233 are connected through the transmission rod 234, the controller 21 is rotatably connected with the connecting rod 233 on one end, the two ends of the lifting table 2 can be lifted synchronously, and the stability of the lifting table 2 is improved.

The length of the tension-resisting plate 331 is the same as the width of the rack 1, and the width of the tension-resisting plate 331 is larger than the length of the square tension-resisting base 334, so that the appearance is attractive, and the strength and force dispersion effect of the tension-resisting plate 331 can be ensured.

The partition plate 194 is provided with a plurality of rows of observation holes 195 which are arranged at equal intervals, so that a person can conveniently look up the observation holes outside when the machine operates, and accidents caused by the fact that the condition inside the machine is unknown are prevented.

The utility model discloses still relate to a tensile testing machine's control method: the control method comprises a tension digital display instrument, an oil cylinder, a low-pressure pump and a high-pressure pump, wherein a fixed value a of the tension digital display instrument is set as a test rated load, a fixed value b of the tension digital display instrument is set as one half of the test rated load, when the oil cylinder starts to work, the low-pressure pump and the high-pressure pump simultaneously supply oil and are quickly tensioned, when the load reaches the fixed value b, the low-pressure pump supplies oil, the high-pressure pump slowly supplies oil to be pulled to the fixed value a, when the load reaches the set value of the fixed value a, the high-pressure pump supplies oil, the oil cylinder keeps a locked state, when a workpiece deforms or the oil cylinder leaks to cause tension reduction, the high-pressure pump starts to supply oil and keeps rated test tension, the error of the tension value is 0-1 Kn, and when the tension time reaches the set time, the low-pressure pump and the high-.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tensile testing machine's lift table which characterized in that: the utility model discloses a lifting table, including lifting table, controller, elevating gear, first lifter and second lifter, elevating gear install in lifting table both ends, controller control elevating gear makes lifting table can reciprocate, elevating gear includes first lifter and second lifter, first lifter with the second lifter alternately sets up and rotates the connection, and install in the table both sides, the one end of first lifter with frame sliding connection, the other end with the table rotates the connection, the one end of second lifter with table sliding connection, the other end rotates with the frame to be connected.

2. The lifting table of the tensile testing machine of claim 1, wherein: the two sides of the same end are provided with connecting rods between the first lifting rods, the connecting rods are connected through transmission rods, and the controller is connected with the connecting rods at one end in a rotating mode.