CN104215508A - Tension and compression testing machine - Google Patents

Abstract

The invention discloses a tension and compression testing machine. The tension and compression testing machine comprises a main bearing frame, a mobile bearing vehicle, cylinder vehicles, connecting devices and push and pull oil cylinders. The mobile bearing vehicle is a mobile bidirectional bearing vehicle and is arranged in the middle of the main bearing frame; the two connecting devices are arranged at both ends of the mobile bidirectional bearing vehicle; the two cylinder vehicles are connected with both ends of the main bearing frame through the two push and pull oil cylinders; one of the push and pull oil cylinders is a large-tonnage push and pull oil cylinder, and the other push and pull cylinder is a small-tonnage push and pull oil cylinder; the minimum value of the action force of the large-tonnage push and pull oil cylinder is smaller than or equal to the maximum value of the action force of the small-tonnage push and pull oil cylinder. The tension and compression testing machine greatly enlarges the testing range, thereby being applicable to testing not only medium-tonnage tools, but also small-tonnage tools as well as large-tonnage tools.

Description

A kind of tensile and compression testing machine

Technical field

The present invention relates to a kind of equipment that the strength and stiffness of drilling tool, cementing tool and completion tool are detected, relate in particular to a kind of tensile and compression testing machine.

Background technology

Drilling tool, cementing tool and completion tool etc. are before going into the well, need to carry out axial tension or the compression test of complete machine, the axial push-pull that particularly some new tools must be simulated hole condition by tensile and compression testing machine before going into the well is tested, in addition, for conventional instrument, also require the serviceability rate of instrument, so some conventional instruments also will be done tension and compression test before going into the well.Instrument, after tensile and compression testing machine test, can be rejected away underproof instrument, goes into the well and can reduce the accident rate of down-hole, thereby improve operating efficiency, reduction construction cost with qualified instrument.

Tensile and compression testing machine of the prior art is all single cylinder tensile and compression testing machines, and test specification is minimum, and the specification of instrument is not unified, of a great variety, required test acting force range is very big, so, only use a single cylinder tensile and compression testing machine cannot meet need of work.Single cylinder tensile and compression testing machine is tonnage single cylinder tensile and compression testing machine mostly, the scope of test acting force is 30 tons to 150 tons, it goes for the most of tool detection to tonnage, but, cannot be to being less than the little tonnage instrument of 29 tons, or, to being greater than the large-tonnage instrument of 151 tons, detect accurately.If produce large-tonnage single cylinder tensile and compression testing machine and little tonnage single cylinder tensile and compression testing machine, so, because its applicable tool kind greatly reduces, therefore, the client of purchase seldom, market is not opened, profitless, even be linked to be this capital and pay for into, so those skilled in the art removes to consider design production large-tonnage single cylinder tensile and compression testing machine and little tonnage single cylinder tensile and compression testing machine hardly.The support body of tensile and compression testing machine of the prior art is the stake body of being made by the body of rod, there is no again guard system, has potential safety hazard.Use in the process of tensile and compression testing machine test of the prior art, often there is unstable phenomenon in tested instrument, to testing, brings very burden.The plinth of the tensile and compression testing machine in technology is to consist of two fixture blocks with semi-circular recesses, and one is upper fixture block, and another is lower fixture block, and two fixture blocks are combined and lock jail, and the semi-circular recesses on two fixture blocks is relative, forms a circular hole.During operation, first open fixture block, then the dop on joint is stuck on lower fixture block, then, close and close fixture block lock jail.Such operation has increased staff's labour intensity greatly, greatly reduces work efficiency.What the tensile and compression testing machine in technology adopted is traditional recording mode, is easy to occur misregistration, to work, brings unnecessary loss.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of tensile and compression testing machine, this tensile and compression testing machine has expanded test specification widely, not only go for the detection of tonnage instrument, and, can also be applicable to the detection of little tonnage instrument and the detection of large-tonnage instrument.

In order to solve the problems of the technologies described above, tensile and compression testing machine of the present invention, comprise carrying main frame body, portable carrying vehicle, cylinder head car, coupling arrangement and push cylinder, described portable carrying vehicle is portable two-way carrying vehicle, the middle part that the two-way carrying vehicle of described movable type is positioned at described carrying main frame body moves back and forth by locating device and is fixedly connected with described carrying main frame body location along the length direction of described carrying main frame body, described coupling arrangement has two, two described coupling arrangements are separately positioned on the two ends of the two-way carrying vehicle of described movable type, described cylinder head car has two, described push cylinder also has two, two described cylinder head cars are connected with the two ends of described carrying main frame body respectively by two described oil cylinders, joint on the cylinder head car of described carrying main frame body one end is relative with the joint on two-way carrying vehicle one end connection device of described movable type, joint on described carrying main frame body other end cylinder head car is relative with the joint on the two-way carrying vehicle other end of described movable type coupling arrangement, one in described push cylinder is large-tonnage push cylinder, another is little tonnage push cylinder, the minimum value of described large-tonnage push cylinder test acting force is less than or equal to the maximal value of described little tonnage push cylinder test acting force.

Described carrying main frame body is open-topped box carrying main frame body.

Described box carrying main frame body comprises side plate body and two the end plate washers that are pressed in respectively these two side plate body two ends that two horizontal vertically-arrangeds are parallel to each other, and described side plate body is fixedly connected with described end plate washer; Between two described side plate bodies, by a plurality of supporting legs, be fixedly connected with; Two described side plate bodies are respectively double-deck plate body; Described in each, double-deck plate body comprises two side plates, overhead gage and lower baffle plates, and described overhead gage is pressed in described two side plate tops and forms guide rail, and it is following that described lower baffle plate is held described two side plates, and described side plate is fixedly connected with lower baffle plate with described overhead gage respectively; The top of the two-way carrying vehicle of described movable type is distributed with at least two pairs of scroll wheels along fore-and-aft direction, and the wheel face middle part of every a pair of described scroll wheel is provided with circumferential locating slot, and described circumferential locating slot is stuck on described guide rail; Described locating device comprises positioning pin, along fore-and-aft direction, assembles and be distributed at least two pilot holes on the two-way carrying vehicle of described movable type and be distributed in dispersedly the multipair pilot hole on described two double-deck plate bodys along fore-and-aft direction; Every a pair of described pilot hole is separately positioned on two described double-deck plate bodys accordingly; Described pilot hole consists of body, on described double-deck plate body, is provided with through hole, and described body runs through described through hole and is fixedly connected with described double-deck plate body, and the two-way carrying vehicle of described movable type is fixedly connected with by described pilot hole location by described positioning pin; On described two end-stopping plates, be respectively arranged with through hole and be furnished with cylinder seat, the piston rod end of two described push cylinder inserts in described box carrying main frame body from described through hole respectively, the cylinder body of two described push cylinder is fixedly connected with described cylinder seat respectively, two described cylinder head cars are connected with the piston rod end of two described push cylinder respectively, the top of two described cylinder head cars is respectively arranged with a pair of scroll wheel, the wheel face middle part of described scroll wheel is provided with circumferential locating slot, and described locating slot is stuck on described guide rail.

The scroll wheel of the two-way carrying vehicle of described movable type has three pairs to five pairs and is uniformly distributed, pilot hole on the two-way carrying vehicle of described movable type has three to five and be uniformly distributed, multipair pilot hole on described two double-deck plate bodys is uniformly distributed, and it is long-pending that the distance between the adjacent two pairs of pilot holes on described two double-deck plate bodys equals on the two-way carrying vehicle of described movable type in the distance between adjacent two pilot holes and the two-way carrying vehicle of described movable type the number of pilot hole.

The top of described carrying main frame body is provided with protective device, described protective device is three frameworks of concave, two sides of described three frameworks are provided with at least one pair of fixed orifice, pilot hole on the size and location of the fixed orifice of described three frameworks and described two double-deck plate bodys is corresponding, and described three frameworks are fixedly connected with described carrying main frame body with pilot hole by described fixed orifice by fixed pin.

In described carrying main frame body, be provided with adjustable centralizing support device, described adjustable centralizing support device comprises tool holding portion, height adjustment mechanism and base, and described tool holding portion is connected with described base by described height adjustment mechanism.

Described tool holding portion comprises V-type briquetting, lower V-type briquetting and fastening bolt, and the recess of described upper V-type briquetting is relative with the recess of described lower V-type briquetting, and described upper V-type briquetting is fixedly connected with by described tightened bolt presses with described lower V-type briquetting, described base comprises strip base plate, and the two ends of described strip base plate are respectively arranged with fixture block, and the top outer of two described fixture blocks is respectively arranged with right-angle notch, described height adjustment mechanism comprises bearing, screw mandrel and lifting nut, the shape of described bearing is tubular, the bottom of described bearing is fixedly connected with the end face central authorities of described strip base plate, the upper end of described screw mandrel is fixedly connected with the bottom surface central authorities of described lower V-type briquetting, described screw mandrel is connected with described lifting nut by screw thread, the lower end of described screw mandrel inserts from the topped hole of described bearing, the shape of described lifting nut is flange hat, described lifting nut is rotationally connected by bearing and described bearing, one side of described screw mandrel is provided with axial location guide groove, on described bearing sidewall, be provided with threaded hole, described threaded hole disposes dog screw, the termination of described dog screw is positioned at described axial location guide groove.

The coupling arrangement at the cylinder head car at described carrying main frame body two ends and the two-way carrying vehicle of described movable type two ends is respectively arranged with plinth, axial " U " connected in star connecting before and after the recessed formation downwards of plinth end face middle part described in each, described " U " connected in star inner surface axial middle part is to recessed " U " shape bayonet socket that forms of this " U " connected in star inside surface, and the both sides that described plinth is positioned at " U " connected in star bottom are respectively arranged with position and lock hole, described in each, the afterbody of joint is provided with disc dop, and the axial section shape of described disc dop is "T"-shaped, disc dop on described cylinder head car is stuck in " U " connected in star of described cylinder head car plinth inner side, disc dop on described coupling arrangement is stuck in " U " connected in star in described coupling arrangement plinth outside, described in each, the termination of push cylinder piston rod is provided with disc dop, and the axial section shape of described disc dop is "T"-shaped, the disc dop of described push cylinder piston rod end is stuck in " U " connected in star in described cylinder head car plinth outside, described coupling arrangement comprises casing, clamping screw and locking pin, described casing is fixedly connected with the two-way carrying vehicle of described movable type, described casing is provided with axial open-work and pilot hole, described pilot hole is positioned at the both sides of described axial open-work bottom, described axial open-work is corresponding with " U " connected in star of described plinth, described pilot hole is corresponding with the position and lock hole of described plinth, described plinth and described casing are located by connecting by the position and lock hole of described plinth and the pilot hole of described casing by locking pin, and be fixedly connected with by " U " connected in star of described plinth inner side and the axial open-work of described casing by described clamping screw.

On the oil circuit of described large-tonnage push cylinder rod chamber, be provided with unit of force and calculate large-tonnage tensimeter and the large-tonnage pressure transducer showing, the signal output part of described large-tonnage pressure transducer is electrically connected to the first signal input end of large-tonnage push-pull effort registering instrument, on the oil circuit of described large-tonnage push cylinder rodless cavity, be provided with unit of force and calculate large-tonnage tensimeter and the large-tonnage pressure transducer showing, the signal output part of described large-tonnage pressure transducer is electrically connected to the secondary signal input end of described large-tonnage push-pull effort registering instrument; On the oil circuit of described little tonnage push cylinder rod chamber, be provided with unit of force and calculate little tonnage tensimeter and the little tonnage pressure transducer showing, the signal output part of described little tonnage pressure transducer is electrically connected to the first signal input end of little tonnage push-pull effort registering instrument, on the oil circuit of described little tonnage push cylinder rodless cavity, be provided with unit of force and calculate little tonnage tensimeter and the little tonnage pressure transducer showing, the signal output part of described little tonnage pressure transducer is electrically connected to the secondary signal input end of described little tonnage push-pull effort registering instrument; Described large-tonnage push cylinder is furnished with large-tonnage oil pump, and described little tonnage push cylinder is furnished with little tonnage oil pump; On the oil circuit of described large-tonnage oil pump delivery outlet, be provided with electric node manometer, described electric node manometer has pressure switch, and described pressure switch is serially connected in the electric power loop of audible-visual annunciator; On the oil circuit of described little tonnage oil pump delivery outlet, be provided with electric node manometer, described electric node manometer has pressure switch, and described pressure switch is serially connected in the electric power loop of audible-visual annunciator.

Described large-tonnage push-pull effort registering instrument comprises two pressure units, A/D converters, the controller with touch-screen and mini-printer, the signal input part of described the first pressure unit is described first signal input end, the signal output part of described the first pressure unit is electrically connected to the signal input part of described A/D converter, the signal input part of described the second pressure unit is described first signal input end, and the signal output part of described the second pressure unit is electrically connected to the signal input part of described A/D converter; The signal output part of described A/D converter is electrically connected to the signal input part of described controller; The control signal output terminal of described controller is electrically connected to the control signal input end of described mini-printer; Described little tonnage push-pull effort registering instrument comprises two pressure units, A/D converters, the controller with touch-screen and mini-printer, the signal input part of described the first pressure unit is described first signal input end, the signal output part of described the first pressure unit is electrically connected to the signal input part of described A/D converter, the signal input part of described the second pressure unit is described first signal input end, and the signal output part of described the second pressure unit is electrically connected to the signal input part of described A/D converter; The signal output part of described A/D converter is electrically connected to the signal input part of described controller; The control signal output terminal of described controller is electrically connected to the control signal input end of described mini-printer.

Method of the present invention compared with prior art has following beneficial effect.

1, the technical program is portable two-way carrying vehicle owing to having adopted described portable carrying vehicle, the middle part that the two-way carrying vehicle of described movable type is positioned at described carrying main frame body moves back and forth by locating device and is fixedly connected with described carrying main frame body location along the length direction of described carrying main frame body, described coupling arrangement has two, two described coupling arrangements are separately positioned on the two ends of the two-way carrying vehicle of described movable type, described cylinder head car has two, described push cylinder also has two, two described cylinder head cars are connected with the two ends of described carrying main frame body respectively by two described oil cylinders, joint on the cylinder head car of described carrying main frame body one end is relative with the joint on two-way carrying vehicle one end connection device of described movable type, joint on described carrying main frame body other end cylinder head car is relative with the joint on the two-way carrying vehicle other end of described movable type coupling arrangement, one in described push cylinder is large-tonnage push cylinder, another is little tonnage push cylinder, the minimum value of described large-tonnage push cylinder test acting force is less than or equal to the peaked technological means of described little tonnage push cylinder test acting force, so, expanded widely test specification, not only go for the detection of tonnage instrument, and, can also be applicable to the detection of little tonnage instrument and the detection of large-tonnage instrument.

2, the technical program is the technological means of open-topped box carrying main frame body owing to having adopted described carrying main frame body, so, can prevent that tested instrument from laterally collapsing when fracture suddenly, avoids operating personnel to come to harm.

3, the technical program is due to the side plate body that has adopted described box carrying main frame body to comprise that two horizontal vertically-arrangeds are parallel to each other and two end plate washers that are pressed in respectively these two side plate body two ends, the technological means that described side plate body is fixedly connected with described end plate washer, so, increased the measuring body intensity of the axial tension of box carrying main frame body.Again owing to having adopted the technological means being fixedly connected with by a plurality of supporting legs between two described side plate bodies, so, not only guarantee the strength of joint of box carrying main frame body, and, supporting leg materials amount can greatly be saved, also for further improving the condition of having created below.Again owing to having adopted two described side plate bodies to be respectively double-deck plate body, described in each, double-deck plate body comprises two side plates, overhead gage and lower baffle plates, described overhead gage is pressed in described two side plate tops and forms guide rail, it is following that described lower baffle plate is held described two side plates, the technological means that described side plate is fixedly connected with lower baffle plate with described overhead gage respectively, so, not only guaranteed the intensity of side plate body, and, greatly save side plate body materials amount.Also owing to having adopted the top of the two-way carrying vehicle of described movable type to be distributed with at least two pairs of scroll wheels along fore-and-aft direction, the wheel face middle part of every a pair of described scroll wheel is provided with circumferential locating slot, described circumferential locating slot is stuck in technological means on described guide rail, so, can guarantee the stability that portable two-way carrying vehicle is walked.More because described locating device comprises positioning pin, assembles the technological means that is distributed at least two pilot holes on the two-way carrying vehicle of described movable type and is distributed in dispersedly the multipair pilot hole on described two double-deck plate bodys along fore-and-aft direction along fore-and-aft direction, so, can greatly reduce the quantity of pilot hole on double-deck plate body.Again owing to having adopted every a pair of described pilot hole to be separately positioned on accordingly on two described double-deck plate bodys, described pilot hole consists of body, on described double-deck plate body, be provided with through hole, described body runs through described through hole and is fixedly connected with described double-deck plate body, the technological means that the two-way carrying vehicle of described movable type is fixedly connected with by described pilot hole location by described positioning pin, so, can greatly increase the intensity of pilot hole.Again owing to being respectively arranged with through hole and being furnished with cylinder seat on described two end-stopping plates, the piston rod end of two described push cylinder inserts in described box carrying main frame body from described through hole respectively, the cylinder body of two described push cylinder is fixedly connected with described cylinder seat respectively, two described cylinder head cars are connected with the piston rod end of two described push cylinder respectively, the top of two described cylinder head cars is respectively arranged with a pair of scroll wheel, the wheel face middle part of described scroll wheel is provided with circumferential locating slot, described locating slot is stuck in the technological means on described guide rail, so, not only increased the stability that cylinder head garage is walked, and, be conducive to the normal work of push cylinder.

4, the technical program is owing to having adopted the scroll wheel of the two-way carrying vehicle of described movable type to have three pairs to five pairs and equally distributed technological means, so, not only guarantee the stability of portable two-way carrying vehicle walking, and, can make the distribution of force of portable two-way carrying vehicle more even.Again owing to having adopted pilot hole on the two-way carrying vehicle of described movable type to have three to five and be uniformly distributed, multipair pilot hole on described two double-deck plate bodys is uniformly distributed, distance between adjacent two pairs of pilot holes on described two double-deck plate bodys equals on the two-way carrying vehicle of described movable type the long-pending technological means of the number of pilot hole in the distance between adjacent two pilot holes and the two-way carrying vehicle of described movable type, so, greatly improved homogeneity and the continuity of the two-way carrying vehicle of movable type being carried out to axial adjustment.

5, the technical program is owing to having adopted the top of described carrying main frame body to be provided with protective device, described protective device is three frameworks of concave, two sides of described three frameworks are provided with at least one pair of fixed orifice, pilot hole on the size and location of the fixed orifice of described three frameworks and described two double-deck plate bodys is corresponding, the technological means that described three frameworks are fixedly connected with described carrying main frame body with pilot hole by described fixed orifice by fixed pin, so, not only can guarantee operating personnel's work safety, and, needn't on carrying main frame body, increase fixed orifice, in order to avoid the intensity of impact carrying main frame body.

6, the technical program is provided with adjustable centralizing support device owing to having adopted in described carrying main frame body, described adjustable centralizing support device comprises tool holding portion, height adjustment mechanism and base, the technological means that described tool holding portion is connected with described base by described height adjustment mechanism, so, greatly increased the stability of tested instrument.

7, the technical program is owing to having adopted described tool holding portion to comprise upper V-type briquetting, lower V-type briquetting and fastening bolt, the recess of described upper V-type briquetting is relative with the recess of described lower V-type briquetting, and described upper V-type briquetting is fixedly connected with by described tightened bolt presses with described lower V-type briquetting, described base comprises strip base plate, and the two ends of described strip base plate are respectively arranged with fixture block, and the top outer of two described fixture blocks is respectively arranged with right-angle notch, described height adjustment mechanism comprises bearing, screw mandrel and lifting nut, the shape of described bearing is tubular, the bottom of described bearing is fixedly connected with the end face central authorities of described strip base plate, the upper end of described screw mandrel is fixedly connected with the bottom surface central authorities of described lower V-type briquetting, described screw mandrel is connected with described lifting nut by screw thread, the lower end of described screw mandrel inserts from the topped hole of described bearing, the shape of described lifting nut is flange hat, described lifting nut is rotationally connected by bearing and described bearing, one side of described screw mandrel is provided with axial location guide groove, on described bearing sidewall, be provided with threaded hole, described threaded hole disposes dog screw, the termination of described dog screw is positioned at the technological means of described axial location guide groove, so, not only greatly increased the stability of tested instrument, and, the axial location of conveniently adjusted adjustable centralizing support device, increase the dirigibility that adjustable centralizing support device is installed.

8, the technical program is owing to having adopted the cylinder head car at described carrying main frame body two ends and the coupling arrangement at the two-way carrying vehicle of described movable type two ends to be respectively arranged with plinth, axial " U " connected in star connecting before and after the recessed formation downwards of plinth end face middle part described in each, described " U " connected in star inner surface axial middle part is to recessed " U " shape bayonet socket that forms of this " U " connected in star inside surface, and the both sides that described plinth is positioned at " U " connected in star bottom are respectively arranged with position and lock hole, described in each, the afterbody of joint is provided with disc dop, and the axial section shape of described disc dop is "T"-shaped, disc dop on described cylinder head car is stuck in " U " connected in star of described cylinder head car plinth inner side, disc dop on described coupling arrangement is stuck in " U " connected in star in described coupling arrangement plinth outside, described in each, the termination of push cylinder piston rod is provided with disc dop, and the axial section shape of described disc dop is "T"-shaped, the disc dop of described push cylinder piston rod end is stuck in " U " connected in star in described cylinder head car plinth outside, described coupling arrangement comprises casing, clamping screw and locking pin, described casing is fixedly connected with the two-way carrying vehicle of described movable type, described casing is provided with axial open-work and pilot hole, described pilot hole is positioned at the both sides of described axial open-work bottom, described axial open-work is corresponding with " U " connected in star of described plinth, described pilot hole is corresponding with the position and lock hole of described plinth, described plinth and described casing are located by connecting by the position and lock hole of described plinth and the pilot hole of described casing by locking pin, and the technological means being fixedly connected with by " U " connected in star of described plinth inner side and the axial open-work of described casing by described clamping screw, so, can greatly reduce staff's labour intensity, greatly increase work efficiency.

9, the technical program is provided with unit of force and calculates the large-tonnage tensimeter showing owing to having adopted on the oil circuit of described large-tonnage push cylinder rod chamber, on the oil circuit of described large-tonnage push cylinder rodless cavity, be provided with unit of force and calculate large-tonnage tensimeter and the large-tonnage pressure transducer showing, on the oil circuit of described little tonnage push cylinder rod chamber, be provided with unit of force and calculate the little tonnage tensimeter showing, on the oil circuit of described little tonnage push cylinder rodless cavity, be provided with unit of force and calculate the manometric technological means of little tonnage showing, so, need not be through the conversion from pressure to pressure, only need can draw the size of push cylinder push-pull effort by subtraction, reduced operating personnel's computing workload.Owing to having adopted on the oil circuit of described large-tonnage push cylinder rod chamber, be provided with large-tonnage pressure transducer again, the signal output part of described large-tonnage pressure transducer is electrically connected to the first signal input end of large-tonnage push-pull effort registering instrument, on the oil circuit of described large-tonnage push cylinder rodless cavity, be provided with large-tonnage pressure transducer, the signal output part of described large-tonnage pressure transducer is electrically connected to the secondary signal input end of described large-tonnage push-pull effort registering instrument, on the oil circuit of described little tonnage push cylinder rod chamber, be provided with little tonnage pressure transducer, the signal output part of described little tonnage pressure transducer is electrically connected to the first signal input end of little tonnage push-pull effort registering instrument, on the oil circuit of described little tonnage push cylinder rodless cavity, be provided with little tonnage pressure transducer, the technological means that the signal output part of described little tonnage pressure transducer is electrically connected to the secondary signal input end of described little tonnage push-pull effort registering instrument, so, can record at any time tested parameter.Because described large-tonnage push cylinder is furnished with large-tonnage oil pump, described little tonnage push cylinder is furnished with little tonnage oil pump again; On the oil circuit of described large-tonnage oil pump delivery outlet, be provided with electric node manometer, described electric node manometer has pressure switch, and described pressure switch is serially connected in the electric power loop of audible-visual annunciator; On the oil circuit of described little tonnage oil pump delivery outlet, be provided with electric node manometer, described electric node manometer has pressure switch, described pressure switch is serially connected in the technological means in the electric power loop of audible-visual annunciator, so, in the hydraulic control system of push cylinder during appearance of abnormal pressure, can and alarm, take emergency measures in time.

10, the technical program is owing to having adopted described large-tonnage push-pull effort registering instrument to comprise two pressure units, A/D converters, the controller with touch-screen and mini-printer, the signal input part of described the first pressure unit is described first signal input end, the signal output part of described the first pressure unit is electrically connected to the signal input part of described A/D converter, the signal input part of described the second pressure unit is described first signal input end, and the signal output part of described the second pressure unit is electrically connected to the signal input part of described A/D converter; The signal output part of described A/D converter is electrically connected to the signal input part of described controller; The control signal output terminal of described controller is electrically connected to the control signal input end of described mini-printer; Described little tonnage push-pull effort registering instrument comprises two pressure units, A/D converters, the controller with touch-screen and mini-printer, the signal input part of described the first pressure unit is described first signal input end, the signal output part of described the first pressure unit is electrically connected to the signal input part of described A/D converter, the signal input part of described the second pressure unit is described first signal input end, and the signal output part of described the second pressure unit is electrically connected to the signal input part of described A/D converter; The signal output part of described A/D converter is electrically connected to the signal input part of described controller; The technological means that the control signal output terminal of described controller is electrically connected to the control signal input end of described mini-printer, so, in the situation that coordinating visualization procedure and software, operate more convenient.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, tensile and compression testing machine of the present invention is described in further detail.

Fig. 1 is the one-piece construction schematic diagram of tensile and compression testing machine of the present invention.

Fig. 2 is the main TV structure schematic diagram that carries main frame body in tensile and compression testing machine of the present invention.

Fig. 3 is A-A line sectional structure schematic diagram in Fig. 2.

Fig. 4 is the plan structure schematic diagram that carries main frame body in tensile and compression testing machine of the present invention.

Fig. 5 is the structural representation of coupling arrangement in tensile and compression testing machine of the present invention.

Fig. 6 is the structural representation of cylinder head car in tensile and compression testing machine of the present invention.

Fig. 7 is the main TV structure schematic diagram of Fig. 5, Fig. 6 center tap seat.

Fig. 8 is the left TV structure schematic diagram of Fig. 5, Fig. 6 center tap seat.

Fig. 9 is the plan structure schematic diagram of Fig. 5, Fig. 6 center tap seat.

Figure 10 is the main TV structure schematic diagram (also having drawn the syndeton with carrying main frame body in figure) of adjustable centralizing support device in tensile and compression testing machine of the present invention.

Figure 11 is the left TV structure schematic diagram (syndeton with carrying main frame body not shown in FIG.) of adjustable centralizing support device in tensile and compression testing machine of the present invention.

Figure 12 is the syndeton schematic diagram of hydraulic control system in tensile and compression testing machine of the present invention.

Figure 13 is the syndeton schematic diagram of push-pull effort registering instrument in tensile and compression testing machine of the present invention.

Embodiment

As shown in Figure 1, a kind of tensile and compression testing machine that present embodiment provides, comprise carrying main frame body 1, portable carrying vehicle 2, cylinder head car 3, coupling arrangement 4 and push cylinder 5, described portable carrying vehicle 2 is portable two-way carrying vehicles, the middle part that the two-way carrying vehicle 2 of described movable type is positioned at described carrying main frame body 1 moves back and forth by locating device 7 and is fixedly connected with described carrying main frame body 1 location along the length direction of described carrying main frame body 1, described coupling arrangement 4 has two, two described coupling arrangements 4 are separately positioned on the two ends of the two-way carrying vehicle 2 of described movable type, described cylinder head car 3 has two, described push cylinder 5 also has two, two described cylinder head cars 3 are connected with the two ends of described carrying main frame body 1 respectively by two described oil cylinders 5, joint 6 on described carrying main frame body 1 one end cylinder head car 5 is relative with the joint 6 on two-way carrying vehicle 2 one end connection devices 4 of described movable type, joint 6 on described carrying main frame body 1 other end cylinder head car 3 is relative with the joint 6 on two-way carrying vehicle 2 other end coupling arrangements 4 of described movable type, one in described push cylinder 5 is large-tonnage push cylinder, another is little tonnage push cylinder, the minimum value of described large-tonnage push cylinder test acting force is less than or equal to the maximal value of described little tonnage push cylinder test acting force.

Present embodiment is portable two-way carrying vehicle owing to having adopted described portable carrying vehicle, the middle part that the two-way carrying vehicle of described movable type is positioned at described carrying main frame body moves back and forth by locating device and is fixedly connected with described carrying main frame body location along the length direction of described carrying main frame body, described coupling arrangement has two, two described coupling arrangements are separately positioned on the two ends of the two-way carrying vehicle of described movable type, described cylinder head car has two, described push cylinder also has two, two described cylinder head cars are connected with the two ends of described carrying main frame body respectively by two described oil cylinders, joint on the cylinder head car of described carrying main frame body one end is relative with the joint on two-way carrying vehicle one end connection device of described movable type, joint on described carrying main frame body other end cylinder head car is relative with the joint on the two-way carrying vehicle other end of described movable type coupling arrangement, one in described push cylinder is large-tonnage push cylinder, another is little tonnage push cylinder, the minimum value of described large-tonnage push cylinder test acting force is less than or equal to the peaked technological means of described little tonnage push cylinder test acting force, so, expanded widely test specification, not only go for the detection of tonnage instrument, and, can also be applicable to the detection of little tonnage instrument and the detection of large-tonnage instrument.

As a kind of improvement of present embodiment, as shown in Figures 2 to 4, described carrying main frame body 1 is open-topped box carrying main frame body.Described box carrying main frame body forms by welding production.

Present embodiment is the technological means of open-topped box carrying main frame body owing to having adopted described carrying main frame body, so, can prevent that tested instrument from laterally collapsing when fracture suddenly, avoids operating personnel to come to harm.

As present embodiment, further improve, as shown in Figures 1 to 4, described box carrying main frame body 1 comprises side plate body 1-1 and two the end plate washer 1-5 that are pressed in respectively these two side plate body two ends that two horizontal vertically-arrangeds are parallel to each other, and described side plate body 1-1 is fixedly connected with described end plate washer 1-5; Between two described side plate body 1-5, by a plurality of supporting leg 1-6, be fixedly connected with; Two described side plate body 1-1 are respectively double-deck plate body; Described in each, double-deck plate body comprises two side plate 1-2, overhead gage 1-3 and lower baffle plate 1-4, described overhead gage 1-3 is pressed in described two side plate 1-2 tops and forms guide rail, it is following that described lower baffle plate 1-4 holds described two side plate 1-2, and described side plate 1-2 is fixedly connected with lower baffle plate 1-4 with described overhead gage 1-3 respectively; The top of the two-way carrying vehicle 2 of described movable type is distributed with at least two couples of scroll wheel 2-1 along fore-and-aft direction, and the wheel face middle part of every a pair of described scroll wheel 2-1 is provided with circumferential locating slot, and described circumferential locating slot is stuck on described guide rail; Described locating device 7 comprises positioning pin 7-1, along fore-and-aft direction, assembles and be distributed at least two pilot hole 7-2 on the two-way carrying vehicle 2 of described movable type and be distributed in dispersedly the multipair pilot hole 7-3 on described two double-deck plate bodys along fore-and-aft direction; Every a pair of described pilot hole 7-3 is separately positioned on two described double-deck plate bodys accordingly; Described pilot hole consists of body 7-4, on described double-deck plate body, be provided with through hole, described body 7-4 runs through described through hole and is fixedly connected with described double-deck plate body, and the two-way carrying vehicle 2 of described movable type is fixedly connected with by described pilot hole 7-2,7-3 location by described positioning pin 7-1; On described two end-stopping plate 1-5, be respectively arranged with through hole and be furnished with cylinder seat 5-1, the piston rod end of two described push cylinder 5 inserts in described box carrying main frame body 1 from described through hole respectively, the cylinder body of two described push cylinder 5 is fixedly connected with described cylinder seat 5-1 respectively, two described cylinder head cars 3 are connected with the piston rod end of two described push cylinder 5 respectively, the top of two described cylinder head cars 3 is respectively arranged with a pair of scroll wheel 3-1, the wheel face middle part of described scroll wheel 3-1 is provided with circumferential locating slot, and described locating slot is stuck on described guide rail.

Present embodiment is due to the side plate body that has adopted described box carrying main frame body to comprise that two horizontal vertically-arrangeds are parallel to each other and two end plate washers that are pressed in respectively these two side plate body two ends, the technological means that described side plate body is fixedly connected with described end plate washer, so, increased the measuring body intensity of the axial tension of box carrying main frame body.Again owing to having adopted the technological means being fixedly connected with by a plurality of supporting legs between two described side plate bodies, so, not only guarantee the strength of joint of box carrying main frame body, and, supporting leg materials amount can greatly be saved, also for further improving the condition of having created below.Again owing to having adopted two described side plate bodies to be respectively double-deck plate body, described in each, double-deck plate body comprises two side plates, overhead gage and lower baffle plates, described overhead gage is pressed in described two side plate tops and forms guide rail, it is following that described lower baffle plate is held described two side plates, the technological means that described side plate is fixedly connected with lower baffle plate with described overhead gage respectively, so, not only guaranteed the intensity of side plate body, and, greatly save side plate body materials amount.Also owing to having adopted the top of the two-way carrying vehicle of described movable type to be distributed with at least two pairs of scroll wheels along fore-and-aft direction, the wheel face middle part of every a pair of described scroll wheel is provided with circumferential locating slot, described circumferential locating slot is stuck in technological means on described guide rail, so, can guarantee the stability that portable two-way carrying vehicle is walked.More because described locating device comprises positioning pin, assembles the technological means that is distributed at least two pilot holes on the two-way carrying vehicle of described movable type and is distributed in dispersedly the multipair pilot hole on described two double-deck plate bodys along fore-and-aft direction along fore-and-aft direction, so, can greatly reduce the quantity of pilot hole on double-deck plate body.Again owing to having adopted every a pair of described pilot hole to be separately positioned on accordingly on two described double-deck plate bodys, described pilot hole consists of body, on described double-deck plate body, be provided with through hole, described body runs through described through hole and is fixedly connected with described double-deck plate body, the technological means that the two-way carrying vehicle of described movable type is fixedly connected with by described pilot hole location by described positioning pin, so, can greatly increase the intensity of pilot hole.Again owing to being respectively arranged with through hole and being furnished with cylinder seat on described two end-stopping plates, the piston rod end of two described push cylinder inserts in described box carrying main frame body from described through hole respectively, the cylinder body of two described push cylinder is fixedly connected with described cylinder seat respectively, two described cylinder head cars are connected with the piston rod end of two described push cylinder respectively, the top of two described cylinder head cars is respectively arranged with a pair of scroll wheel, the wheel face middle part of described scroll wheel is provided with circumferential locating slot, described locating slot is stuck in the technological means on described guide rail, so, not only increased the stability that cylinder head garage is walked, and, be conducive to the normal work of push cylinder.

As present embodiment, further improve, as shown in Figures 1 to 4, the scroll wheel 2-1 of the two-way carrying vehicle 2 of described movable type has three pairs to five pairs and is uniformly distributed (shown in Fig. 1 is that three couples of scroll wheel 2-1 are uniformly distributed), pilot hole 7-2 on the two-way carrying vehicle 2 of described movable type has three to five and be uniformly distributed (shown in Fig. 1 is that three pilot hole 7-2 are uniformly distributed), multipair pilot hole 7-3 on described two double-deck plate bodys is uniformly distributed, it is long-pending that distance between adjacent two couples of pilot hole 7-3 on described two double-deck plate bodys equals on the two-way carrying vehicle 2 of described movable type in the distance between adjacent two pilot hole 7-2 and the two-way carrying vehicle of described movable type the number of pilot hole 7-2.

Present embodiment is owing to having adopted the scroll wheel of the two-way carrying vehicle of described movable type to have three pairs to five pairs and equally distributed technological means, so, not only guarantee the stability of portable two-way carrying vehicle walking, and, can make the distribution of force of portable two-way carrying vehicle more even.Again owing to having adopted pilot hole on the two-way carrying vehicle of described movable type to have three to five and be uniformly distributed, multipair pilot hole on described two double-deck plate bodys is uniformly distributed, distance between adjacent two pairs of pilot holes on described two double-deck plate bodys equals on the two-way carrying vehicle of described movable type the long-pending technological means of the number of pilot hole in the distance between adjacent two pilot holes and the two-way carrying vehicle of described movable type, so, greatly improved homogeneity and the continuity of the two-way carrying vehicle of movable type being carried out to axial adjustment.

As present embodiment, also further improve, as shown in Figure 1, the top of described carrying main frame body 1 is provided with protective device 8, described protective device 8 is three frameworks of concave, two sides of described three frameworks are provided with at least one pair of fixed orifice 8-1, and the quantity of described fixed orifice 8-1 can be determined according to the length of protective device 8.Pilot hole 7-3 on the size and location of the fixed orifice 8-1 of described three frameworks and described two double-deck plate bodys is corresponding, and described three frameworks are fixedly connected with described carrying main frame body 1 with pilot hole 7-3 by described fixed orifice 8-1 by fixed pin 8-2.

Present embodiment is owing to having adopted the top of described carrying main frame body to be provided with protective device, described protective device is three frameworks of concave, two sides of described three frameworks are provided with at least one pair of fixed orifice, pilot hole on the size and location of the fixed orifice of described three frameworks and described two double-deck plate bodys is corresponding, the technological means that described three frameworks are fixedly connected with described carrying main frame body with pilot hole by described fixed orifice by fixed pin, so, not only can guarantee operating personnel's work safety, and, needn't on carrying main frame body, increase fixed orifice, in order to avoid the intensity of impact carrying main frame body.

As present embodiment, further improve again, as shown in Figure 10 to Figure 11, in described carrying main frame body, be provided with adjustable centralizing support device 9, described adjustable centralizing support device 9 comprises the 9-1 of tool holding portion, height adjustment mechanism 9-2 and base 9-3, and the described tool holding 9-1 of portion is connected with described base 9-3 by described height adjustment mechanism 9-2.

Present embodiment is provided with adjustable centralizing support device owing to having adopted in described carrying main frame body, described adjustable centralizing support device comprises tool holding portion, height adjustment mechanism and base, the technological means that described tool holding portion is connected with described base by described height adjustment mechanism, so, greatly increased the stability of tested instrument.

As present embodiment, further improve, as shown in Figure 10 to Figure 11, the described tool holding 9-1 of portion comprises V-type briquetting 9-4, lower V-type briquetting 9-5 and fastening bolt 9-6, the recess of described upper V-type briquetting 9-4 is relative with the recess of described lower V-type briquetting 9-5, and described upper V-type briquetting 9-4 is fixed and is connected by described fastening bolt 9-6 with described lower V-type briquetting 9-5, described base 9-3 comprises strip base plate 9-7, and the two ends of described strip base plate 9-7 are respectively arranged with fixture block 9-8, and the top outer of two described fixture block 9-8 is respectively arranged with right-angle notch, described height adjustment mechanism 9-3 comprises bearing 9-9, screw mandrel 9-10 and lifting nut 9-11, the shape of described bearing 9-9 is tubular, the bottom of described bearing 9-9 is fixedly connected with the end face central authorities of described strip base plate 9-7, the upper end of described screw mandrel 9-10 is fixedly connected with the bottom surface central authorities of described lower V-type briquetting 9-5, described screw mandrel 9-10 is connected with described lifting nut 9-11 by screw thread, the lower end of described screw mandrel 9-10 inserts from the topped hole of described bearing 9-9, the shape of described lifting nut 9-11 is flange hat, described lifting nut 9-11 is rotationally connected by bearing 9-12 and described bearing 9-1, a side of described screw mandrel 9-9 is provided with axial location guide groove, on described bearing 9-9 sidewall, be provided with threaded hole, described threaded hole disposes dog screw 9-13, the termination of described dog screw 9-13 is positioned at described axial location guide groove.From Figure 10 to Figure 11, can find out, the ring flange side of described lifting nut 9-11 is furnished with four threaded holes along circumferential average mark, and four described threaded holes dispose respectively wrench 9-14.

Present embodiment is owing to having adopted described tool holding portion to comprise upper V-type briquetting, lower V-type briquetting and fastening bolt, the recess of described upper V-type briquetting is relative with the recess of described lower V-type briquetting, and described upper V-type briquetting is fixedly connected with by described tightened bolt presses with described lower V-type briquetting, described base comprises strip base plate, and the two ends of described strip base plate are respectively arranged with fixture block, and the top outer of two described fixture blocks is respectively arranged with right-angle notch, described height adjustment mechanism comprises bearing, screw mandrel and lifting nut, the shape of described bearing is tubular, the bottom of described bearing is fixedly connected with the end face central authorities of described strip base plate, the upper end of described screw mandrel is fixedly connected with the bottom surface central authorities of described lower V-type briquetting, described screw mandrel is connected with described lifting nut by screw thread, the lower end of described screw mandrel inserts from the topped hole of described bearing, the shape of described lifting nut is flange hat, described lifting nut is rotationally connected by bearing and described bearing, one side of described screw mandrel is provided with axial location guide groove, on described bearing sidewall, be provided with threaded hole, described threaded hole disposes dog screw, the termination of described dog screw is positioned at the technological means of described axial location guide groove, so, not only greatly increased the stability of tested instrument, and, the axial location of conveniently adjusted adjustable centralizing support device, increase the dirigibility that adjustable centralizing support device is installed.

As present embodiment, further improve again, as Fig. 1, shown in Fig. 5 to Fig. 9, the coupling arrangement 4 at the cylinder head car 3 at described carrying main frame body 1 two ends and the two-way carrying vehicle of described movable type 2 two ends is respectively arranged with plinth 10, axial " U " connected in star 10-1 connecting before and after the recessed formation downwards of plinth 10 end face middle parts described in each, described " U " connected in star 10-1 inner surface axial middle part is to recessed " U " shape bayonet socket 10-2 that forms of this " U " connected in star 10-1 inside surface, the both sides that described plinth is positioned at " U " connected in star 10-1 bottom are respectively arranged with position and lock hole 10-3, described in each, the afterbody of joint 6 is provided with disc dop, and the axial section shape of described disc dop is "T"-shaped, the disc dop of described cylinder head car 3 top connections 6 is stuck in " U " connected in star 10-1 of described cylinder head car 3 plinth 10 inner sides, the disc dop of described coupling arrangement 4 top connections 6 is stuck in " U " connected in star 10-1 in described coupling arrangement 4 plinth 10 outsides, described in each, the termination of push cylinder 5 piston rods is provided with disc dop, and the axial section shape of described disc dop is "T"-shaped, the disc dop of described push cylinder piston rod end is stuck in " U " connected in star in described cylinder head car 3 plinth 10 outsides, described coupling arrangement 4 comprises casing 4-1, clamping screw 4-2 and locking pin 4-3, described casing 4-1 is fixedly connected with the two-way carrying vehicle 2 of described movable type, as can be seen from Figure 1, not still directly weldering between the two-way carrying vehicle 2 of described casing 4-1 and described movable type, but also add strong weld by reinforcement 4-4, greatly increased the strength of joint between the two-way carrying vehicle 2 of described casing 4-1 and described movable type.Described casing 4-1 is provided with axial open-work and pilot hole, described pilot hole is positioned at the both sides of described axial open-work bottom, described axial open-work is corresponding with " U " connected in star 10-1 of described plinth 10, described pilot hole is corresponding with the position and lock hole 10-3 of described plinth 10, described plinth 10 is located by connecting by the position and lock hole of described plinth and the pilot hole of described casing by locking pin with described casing 4-1, and be fixedly connected with by " U " connected in star 10-1 of described plinth 10 inner sides and the axial open-work of described casing 4-1 by described clamping screw 4-2.

Present embodiment is owing to having adopted the cylinder head car at described carrying main frame body two ends and the coupling arrangement at the two-way carrying vehicle of described movable type two ends to be respectively arranged with plinth, axial " U " connected in star connecting before and after the recessed formation downwards of plinth end face middle part described in each, described " U " connected in star inner surface axial middle part is to recessed " U " shape bayonet socket that forms of this " U " connected in star inside surface, and the both sides that described plinth is positioned at " U " connected in star bottom are respectively arranged with position and lock hole, described in each, the afterbody of joint is provided with disc dop, and the axial section shape of described disc dop is "T"-shaped, disc dop on described cylinder head car is stuck in " U " connected in star of described cylinder head car plinth inner side, disc dop on described coupling arrangement is stuck in " U " connected in star in described coupling arrangement plinth outside, described in each, the termination of push cylinder piston rod is provided with disc dop, and the axial section shape of described disc dop is "T"-shaped, the disc dop of described push cylinder piston rod end is stuck in " U " connected in star in described cylinder head car plinth outside, described coupling arrangement comprises casing, clamping screw and locking pin, described casing is fixedly connected with the two-way carrying vehicle of described movable type, described casing is provided with axial open-work and pilot hole, described pilot hole is positioned at the both sides of described axial open-work bottom, described axial open-work is corresponding with " U " connected in star of described plinth, described pilot hole is corresponding with the position and lock hole of described plinth, described plinth and described casing are located by connecting by the position and lock hole of described plinth and the pilot hole of described casing by locking pin, and the technological means being fixedly connected with by " U " connected in star of described plinth inner side and the axial open-work of described casing by described clamping screw, so, can greatly reduce staff's labour intensity, greatly increase work efficiency.

As present embodiment, also further improve, as shown in Figure 12 to Figure 13, described push cylinder 5 is communicated with hydraulic control system 11, and described large-tonnage push cylinder 5 is communicated with great tonnage hydraulic control system 11, and described little tonnage push cylinder 5 is communicated with little tonnage hydraulic control system 11.The johning knot composition of described great tonnage hydraulic control system 11 and the johning knot composition of described little tonnage hydraulic control system 11.Difference is varying in size of the flow of described oil pump, manometric range, power of motor and each valve.Similarly, the syndeton of large-tonnage push-pull effort registering instrument is identical with the syndeton of little tonnage push-pull effort registering instrument.Difference is that the recording interval of registering instrument is different.As can be seen from Figure 12, described hydraulic control system 11 comprises oil pump 11-1, hand-operated direction valve 11-2, between described push cylinder 5 and described oil pump 11-1, by described hand-operated direction valve 11-2, be communicated with, described oil pump 11-1 and described hand-operated direction valve 11-2 are provided with retaining valve 11-10, described oil pump 11-1 is communicated with fuel tank 11-13, described oil pump 11-1 is ram pump, described plunger Pump and Electromotor 11-11 connects, on oil return line between described hand-operated direction valve 11-2 and described fuel tank 11-13, be serially connected with return oil filter 11-4 and variable valve 11-12, between the oil-in of the oil-out of described retaining valve 11-10 and described variable valve 11-12, be provided with surplus valve 11-3.Improvement of the present invention is to be provided with unit of force and to calculate large-tonnage tensimeter 11-6 and the large-tonnage pressure transducer 11-7 showing on the oil circuit of described large-tonnage push cylinder 5 rod chambers, described large-tonnage tensimeter 11-6 is communicated with described oil circuit by stop valve 11-5, and described large-tonnage pressure transducer 11-7 is communicated with described oil circuit by stop valve 11-5.The signal output part of described large-tonnage pressure transducer 11-7 is electrically connected to the first signal input end of large-tonnage push-pull effort registering instrument 12, on the oil circuit of described large-tonnage push cylinder 5 rodless cavities, be provided with unit of force and calculate large-tonnage tensimeter 11-6 and the large-tonnage pressure transducer 11-7 showing, described large-tonnage tensimeter 11-6 is communicated with described oil circuit by stop valve 11-5, and described large-tonnage pressure transducer 11-7 is communicated with described oil circuit by stop valve 11-5.The signal output part of described large-tonnage pressure transducer 11-7 is electrically connected to the secondary signal input end of described large-tonnage push-pull effort registering instrument 12; On the oil circuit of described little tonnage push cylinder 5 rod chambers, be provided with unit of force and calculate little tonnage tensimeter 11-6 and the little tonnage pressure transducer 11-7 showing, described little tonnage tensimeter 11-6 is communicated with described oil circuit by stop valve 11-5, and described little tonnage pressure transducer 11-7 is communicated with described oil circuit by stop valve 11-5.The signal output part of described little tonnage pressure transducer 11-7 is electrically connected to the first signal input end of little tonnage push-pull effort registering instrument 12, on the oil circuit of described little tonnage push cylinder 5 rodless cavities, be provided with unit of force and calculate little tonnage tensimeter 11-6 and the little tonnage pressure transducer 11-7 showing, described little tonnage tensimeter 11-6 is communicated with described oil circuit by stop valve 11-5, and described little tonnage pressure transducer 11-7 is communicated with described oil circuit by stop valve 11-5.The signal output part of described little tonnage pressure transducer 11-7 is electrically connected to the secondary signal input end of described little tonnage push-pull effort registering instrument 12; On the oil circuit of described large-tonnage oil pump 11-1 delivery outlet, be provided with electric node manometer 11-9, described electric node manometer 11-9 is communicated with described oil circuit by stop valve 11-5.The model of described electric node manometer 11-9 is YTNXC-100-ZT(0-60Mpa), described electric node manometer 11-9 has pressure switch, and described pressure switch is serially connected in the electric power loop of audible-visual annunciator 11-8; On the oil circuit of described little tonnage oil pump 11-1 delivery outlet, be provided with electric node manometer 11-9, described electric node manometer 11-9 is communicated with described oil circuit by stop valve 11-5.Described electric node manometer 11-9 has pressure switch, and described pressure switch is serially connected in the electric power loop of audible-visual annunciator 11-8.

Present embodiment is provided with unit of force and calculates the large-tonnage tensimeter showing owing to having adopted on the oil circuit of described large-tonnage push cylinder rod chamber, on the oil circuit of described large-tonnage push cylinder rodless cavity, be provided with unit of force and calculate large-tonnage tensimeter and the large-tonnage pressure transducer showing, on the oil circuit of described little tonnage push cylinder rod chamber, be provided with unit of force and calculate the little tonnage tensimeter showing, on the oil circuit of described little tonnage push cylinder rodless cavity, be provided with unit of force and calculate the manometric technological means of little tonnage showing, so, need not be through the conversion from pressure to pressure, only need can draw the size of push cylinder push-pull effort by subtraction, reduced operating personnel's computing workload.Owing to having adopted on the oil circuit of described large-tonnage push cylinder rod chamber, be provided with large-tonnage pressure transducer again, the signal output part of described large-tonnage pressure transducer is electrically connected to the first signal input end of large-tonnage push-pull effort registering instrument, on the oil circuit of described large-tonnage push cylinder rodless cavity, be provided with large-tonnage pressure transducer, the signal output part of described large-tonnage pressure transducer is electrically connected to the secondary signal input end of described large-tonnage push-pull effort registering instrument, on the oil circuit of described little tonnage push cylinder rod chamber, be provided with little tonnage pressure transducer, the signal output part of described little tonnage pressure transducer is electrically connected to the first signal input end of little tonnage push-pull effort registering instrument, on the oil circuit of described little tonnage push cylinder rodless cavity, be provided with little tonnage pressure transducer, the technological means that the signal output part of described little tonnage pressure transducer is electrically connected to the secondary signal input end of described little tonnage push-pull effort registering instrument, so, can record at any time tested parameter.Because described large-tonnage push cylinder is furnished with large-tonnage oil pump, described little tonnage push cylinder is furnished with little tonnage oil pump again; On the oil circuit of described large-tonnage oil pump delivery outlet, be provided with electric node manometer, described electric node manometer has pressure switch, and described pressure switch is serially connected in the electric power loop of audible-visual annunciator; On the oil circuit of described little tonnage oil pump delivery outlet, be provided with electric node manometer, described electric node manometer has pressure switch, described pressure switch is serially connected in the technological means in the electric power loop of audible-visual annunciator, so, in the hydraulic control system of push cylinder during appearance of abnormal pressure, can and alarm, take emergency measures in time.

As present embodiment, further improve again, as shown in figure 12, described large-tonnage push-pull effort registering instrument 12 comprises two pressure unit 12-1, A/D converter 12-2, controller and the mini-printer 12-4 with touch-screen 12-3, the signal input part of described the first pressure unit 12-1 is described first signal input end, the signal output part of described the first pressure unit 12-1 is electrically connected to the signal input part of described A/D converter 12-2, the signal input part of described the second pressure unit 12-1 is described secondary signal input end, the signal output part of described the second pressure unit 12-1 is electrically connected to the signal input part of described A/D converter 12-2, the signal output part of described A/D converter 12-2 is electrically connected to the signal input part of described controller, the control signal output terminal of described controller is electrically connected to the control signal input end of described mini-printer 12-4, described little tonnage push-pull effort registering instrument 12 comprises two pressure unit 12-1, A/D converter 12-2, controller and the mini-printer 12-4 with touch-screen 12-3, the signal input part of described the first pressure unit 12-1 is described first signal input end, the signal output part of described the first pressure unit 12-1 is electrically connected to the signal input part of described A/D converter 12-2, the signal input part of described the second pressure unit 12-1 is described secondary signal input end, the signal output part of described the second pressure unit is electrically connected to the signal input part of described A/D converter, the signal output part of described A/D converter 12-2 is electrically connected to the signal input part of described controller, the control signal output terminal of described controller is electrically connected to the control signal input end of described mini-printer 12-4.As can be seen from Figure 12, Switching Power Supply 12-5 is electrically connected to described A/D converter 12-2, the controller with touch-screen 12-3 and mini-printer 12-4 respectively.

Present embodiment is owing to having adopted described large-tonnage push-pull effort registering instrument to comprise two pressure units, A/D converters, the controller with touch-screen and mini-printer, the signal input part of described the first pressure unit is described first signal input end, the signal output part of described the first pressure unit is electrically connected to the signal input part of described A/D converter, the signal input part of described the second pressure unit is described first signal input end, and the signal output part of described the second pressure unit is electrically connected to the signal input part of described A/D converter; The signal output part of described A/D converter is electrically connected to the signal input part of described controller; The control signal output terminal of described controller is electrically connected to the control signal input end of described mini-printer; Described little tonnage push-pull effort registering instrument comprises two pressure units, A/D converters, the controller with touch-screen and mini-printer, the signal input part of described the first pressure unit is described first signal input end, the signal output part of described the first pressure unit is electrically connected to the signal input part of described A/D converter, the signal input part of described the second pressure unit is described first signal input end, and the signal output part of described the second pressure unit is electrically connected to the signal input part of described A/D converter; The signal output part of described A/D converter is electrically connected to the signal input part of described controller; The technological means that the control signal output terminal of described controller is electrically connected to the control signal input end of described mini-printer, so, in the situation that coordinating visualization procedure and software, operate more convenient.

Claims (10)

1. a tensile and compression testing machine, comprise carrying main frame body, portable carrying vehicle, cylinder head car, coupling arrangement and push cylinder, it is characterized in that: described portable carrying vehicle is portable two-way carrying vehicle, the middle part that the two-way carrying vehicle of described movable type is positioned at described carrying main frame body moves back and forth by locating device and is fixedly connected with described carrying main frame body location along the length direction of described carrying main frame body, described coupling arrangement has two, two described coupling arrangements are separately positioned on the two ends of the two-way carrying vehicle of described movable type, described cylinder head car has two, described push cylinder also has two, two described cylinder head cars are connected with the two ends of described carrying main frame body respectively by two described oil cylinders, joint on the cylinder head car of described carrying main frame body one end is relative with the joint on two-way carrying vehicle one end connection device of described movable type, joint on described carrying main frame body other end cylinder head car is relative with the joint on the two-way carrying vehicle other end of described movable type coupling arrangement, one in described push cylinder is large-tonnage push cylinder, another is little tonnage push cylinder, the minimum value of described large-tonnage push cylinder test acting force is less than or equal to the maximal value of described little tonnage push cylinder test acting force.

2. tensile and compression testing machine according to claim 1, is characterized in that: described carrying main frame body is open-topped box carrying main frame body.

3. tensile and compression testing machine according to claim 2, it is characterized in that: described box carrying main frame body comprises side plate body and two the end plate washers that are pressed in respectively these two side plate body two ends that two horizontal vertically-arrangeds are parallel to each other, and described side plate body is fixedly connected with described end plate washer; Between two described side plate bodies, by a plurality of supporting legs, be fixedly connected with; Two described side plate bodies are respectively double-deck plate body; Described in each, double-deck plate body comprises two side plates, overhead gage and lower baffle plates, and described overhead gage is pressed in described two side plate tops and forms guide rail, and it is following that described lower baffle plate is held described two side plates, and described side plate is fixedly connected with lower baffle plate with described overhead gage respectively; The top of the two-way carrying vehicle of described movable type is distributed with at least two pairs of scroll wheels along fore-and-aft direction, and the wheel face middle part of every a pair of described scroll wheel is provided with circumferential locating slot, and described circumferential locating slot is stuck on described guide rail; Described locating device comprises positioning pin, along fore-and-aft direction, assembles and be distributed at least two pilot holes on the two-way carrying vehicle of described movable type and be distributed in dispersedly the multipair pilot hole on described two double-deck plate bodys along fore-and-aft direction; Every a pair of described pilot hole is separately positioned on two described double-deck plate bodys accordingly; Described pilot hole consists of body, on described double-deck plate body, is provided with through hole, and described body runs through described through hole and is fixedly connected with described double-deck plate body, and the two-way carrying vehicle of described movable type is fixedly connected with by described pilot hole location by described positioning pin; On described two end-stopping plates, be respectively arranged with through hole and be furnished with cylinder seat, the piston rod end of two described push cylinder inserts in described box carrying main frame body from described through hole respectively, the cylinder body of two described push cylinder is fixedly connected with described cylinder seat respectively, two described cylinder head cars are connected with the piston rod end of two described push cylinder respectively, the top of two described cylinder head cars is respectively arranged with a pair of scroll wheel, the wheel face middle part of described scroll wheel is provided with circumferential locating slot, and described locating slot is stuck on described guide rail.

4. tensile and compression testing machine according to claim 3, it is characterized in that: the scroll wheel of the two-way carrying vehicle of described movable type has three pairs to five pairs and is uniformly distributed, pilot hole on the two-way carrying vehicle of described movable type has three to five and be uniformly distributed, multipair pilot hole on described two double-deck plate bodys is uniformly distributed, and it is long-pending that the distance between the adjacent two pairs of pilot holes on described two double-deck plate bodys equals on the two-way carrying vehicle of described movable type in the distance between adjacent two pilot holes and the two-way carrying vehicle of described movable type the number of pilot hole.

5. tensile and compression testing machine according to claim 3, it is characterized in that: the top of described carrying main frame body is provided with protective device, described protective device is three frameworks of concave, two sides of described three frameworks are provided with at least one pair of fixed orifice, pilot hole on the size and location of the fixed orifice of described three frameworks and described two double-deck plate bodys is corresponding, and described three frameworks are fixedly connected with described carrying main frame body with pilot hole by described fixed orifice by fixed pin.

6. tensile and compression testing machine according to claim 1, it is characterized in that: in described carrying main frame body, be provided with adjustable centralizing support device, described adjustable centralizing support device comprises tool holding portion, height adjustment mechanism and base, and described tool holding portion is connected with described base by described height adjustment mechanism.

7. tensile and compression testing machine according to claim 6, it is characterized in that: described tool holding portion comprises V-type briquetting, lower V-type briquetting and fastening bolt, the recess of described upper V-type briquetting is relative with the recess of described lower V-type briquetting, and described upper V-type briquetting is fixedly connected with by described tightened bolt presses with described lower V-type briquetting, described base comprises strip base plate, and the two ends of described strip base plate are respectively arranged with fixture block, and the top outer of two described fixture blocks is respectively arranged with right-angle notch, described height adjustment mechanism comprises bearing, screw mandrel and lifting nut, the shape of described bearing is tubular, the bottom of described bearing is fixedly connected with the end face central authorities of described strip base plate, the upper end of described screw mandrel is fixedly connected with the bottom surface central authorities of described lower V-type briquetting, described screw mandrel is connected with described lifting nut by screw thread, the lower end of described screw mandrel inserts from the topped hole of described bearing, the shape of described lifting nut is flange hat, described lifting nut is rotationally connected by bearing and described bearing, one side of described screw mandrel is provided with axial location guide groove, on described bearing sidewall, be provided with threaded hole, described threaded hole disposes dog screw, the termination of described dog screw is positioned at described axial location guide groove.

8. tensile and compression testing machine according to claim 1, it is characterized in that: the coupling arrangement at the cylinder head car at described carrying main frame body two ends and the two-way carrying vehicle of described movable type two ends is respectively arranged with plinth, axial " U " connected in star connecting before and after the recessed formation downwards of plinth end face middle part described in each, described " U " connected in star inner surface axial middle part is to recessed " U " shape bayonet socket that forms of this " U " connected in star inside surface, and the both sides that described plinth is positioned at " U " connected in star bottom are respectively arranged with position and lock hole, described in each, the afterbody of joint is provided with disc dop, and the axial section shape of described disc dop is "T"-shaped, disc dop on described cylinder head car is stuck in " U " connected in star of described cylinder head car plinth inner side, disc dop on described coupling arrangement is stuck in " U " connected in star in described coupling arrangement plinth outside, described in each, the termination of push cylinder piston rod is provided with disc dop, and the axial section shape of described disc dop is "T"-shaped, the disc dop of described push cylinder piston rod end is stuck in " U " connected in star in described cylinder head car plinth outside, described coupling arrangement comprises casing, clamping screw and locking pin, described casing is fixedly connected with the two-way carrying vehicle of described movable type, described casing is provided with axial open-work and pilot hole, described pilot hole is positioned at the both sides of described axial open-work bottom, described axial open-work is corresponding with " U " connected in star of described plinth, described pilot hole is corresponding with the position and lock hole of described plinth, described plinth and described casing are located by connecting by the position and lock hole of described plinth and the pilot hole of described casing by locking pin, and be fixedly connected with by " U " connected in star of described plinth inner side and the axial open-work of described casing by described clamping screw.

9. tensile and compression testing machine according to claim 1, it is characterized in that: on the oil circuit of described large-tonnage push cylinder rod chamber, be provided with unit of force and calculate large-tonnage tensimeter and the large-tonnage pressure transducer showing, the signal output part of described large-tonnage pressure transducer is electrically connected to the first signal input end of large-tonnage push-pull effort registering instrument, on the oil circuit of described large-tonnage push cylinder rodless cavity, be provided with unit of force and calculate large-tonnage tensimeter and the large-tonnage pressure transducer showing, the signal output part of described large-tonnage pressure transducer is electrically connected to the secondary signal input end of described large-tonnage push-pull effort registering instrument, on the oil circuit of described little tonnage push cylinder rod chamber, be provided with unit of force and calculate little tonnage tensimeter and the little tonnage pressure transducer showing, the signal output part of described little tonnage pressure transducer is electrically connected to the first signal input end of little tonnage push-pull effort registering instrument, on the oil circuit of described little tonnage push cylinder rodless cavity, be provided with unit of force and calculate little tonnage tensimeter and the little tonnage pressure transducer showing, the signal output part of described little tonnage pressure transducer is electrically connected to the secondary signal input end of described little tonnage push-pull effort registering instrument, described large-tonnage push cylinder is furnished with large-tonnage oil pump, and described little tonnage push cylinder is furnished with little tonnage oil pump, on the oil circuit of described large-tonnage oil pump delivery outlet, be provided with electric node manometer, described electric node manometer has pressure switch, and described pressure switch is serially connected in the electric power loop of audible-visual annunciator, on the oil circuit of described little tonnage oil pump delivery outlet, be provided with electric node manometer, described electric node manometer has pressure switch, and described pressure switch is serially connected in the electric power loop of audible-visual annunciator.

10. tensile and compression testing machine according to claim 9, it is characterized in that: described large-tonnage push-pull effort registering instrument comprises two pressure units, A/D converter, controller and the mini-printer with touch-screen, the signal input part of described the first pressure unit is described first signal input end, the signal output part of described the first pressure unit is electrically connected to the signal input part of described A/D converter, the signal input part of described the second pressure unit is described first signal input end, the signal output part of described the second pressure unit is electrically connected to the signal input part of described A/D converter, the signal output part of described A/D converter is electrically connected to the signal input part of described controller, the control signal output terminal of described controller is electrically connected to the control signal input end of described mini-printer, described little tonnage push-pull effort registering instrument comprises two pressure units, A/D converters, the controller with touch-screen and mini-printer, the signal input part of described the first pressure unit is described first signal input end, the signal output part of described the first pressure unit is electrically connected to the signal input part of described A/D converter, the signal input part of described the second pressure unit is described first signal input end, and the signal output part of described the second pressure unit is electrically connected to the signal input part of described A/D converter, the signal output part of described A/D converter is electrically connected to the signal input part of described controller, the control signal output terminal of described controller is electrically connected to the control signal input end of described mini-printer.