CN109490066B - Mechanical property test equipment for electric power safety tool - Google Patents
Mechanical property test equipment for electric power safety tool Download PDFInfo
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- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/16—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces applied through gearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
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- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The invention discloses mechanical property test equipment for an electric power safety tool, which comprises an experiment table, a pair of vertical plates with the same structure, a pair of vertical slide rails with the same structure and a top plate, wherein the pair of vertical plates are arranged on the experiment table; this mechanical properties test equipment, the structure is exquisite, and convenient to use assembles multiple functions in an organic whole, only need change few subassemblies above that when carrying out the experiment of difference, therefore it is very convenient to use contrast change instrument and equipment completely, has also reduced the cost simultaneously, and the structure size is moderate, more is fit for middle-size and small-size enterprise, and the cost is controllable, is close the reality to destructive test's simulation more simultaneously, can observe out the mechanical properties of safety tool practically.
Description
Technical Field
The invention relates to the technical field of safety tool performance testing machines, in particular to a mechanical performance testing device for an electric power safety tool.
Background
The existing mechanical property testing equipment for the electric power safety tool is complex in structure, high in use cost and single in function, and can not simultaneously perform experiments of two properties, so that a device needs to be replaced, for example, after a tensile test is performed, a test bench with a protective guard and other assemblies needs to be replaced when a destructive experiment of a safety helmet and a flattening experiment are required, the experiment efficiency is greatly reduced, the experiment cost is increased, meanwhile, due to the fact that the device does not have universality, and when the destructive experiment is simulated, wedge blocks falling at different heights cannot be simulated in place, the mechanical properties of the safety tool cannot be completely measured, therefore, the problems are deeply researched, and the tunnel is generated.
Disclosure of Invention
The invention aims to solve the problems and designs a mechanical property test device for an electric power safety tool.
The technical scheme of the invention for realizing the aim is as follows: a mechanical property test device for an electric power safety tool comprises a test bench, a pair of vertical plates with the same structure, a pair of vertical slide rails with the same structure and a top plate, wherein the pair of vertical plates are arranged on the test bench, the pair of vertical slide rails are arranged on opposite wall surfaces of the pair of vertical plates, the top plate is arranged at the upper ends of the pair of vertical plates, a mechanical test mechanism is arranged on the test bench and between the pair of vertical slide rails, and a damage test mechanism is arranged on the pair of vertical slide rails;
the mechanical testing mechanism, it includes: the clamping device comprises a tension force applying mechanism and a clamping and fixing mechanism;
the pulling force application structure comprises: the device comprises two pairs of splicing blocks with the same structure, a pair of bolts with the same structure, two pairs of limiting clamping blocks with the same structure, a transverse plate, a pair of threaded shafts with the same structure, a pair of ball nuts with the same structure, a pair of driven bevel gears with the same structure, a pair of first servo motors with the same structure, a pair of driving bevel gears with the same structure, a pair of bearing plates with the same structure, two pairs of sliding blades with the same structure, two pairs of second servo motors with the same structure, two pairs of nut supports with the same structure, two pairs of insertion rods with the same structure and two pairs of threaded rods with the same structure;
the two pairs of splicing blocks are respectively arranged on two sides of the pair of vertical sliding rails and are connected through the pair of bolts, the two pairs of limiting clamping blocks are arranged on opposite wall surfaces of the two pairs of splicing blocks, the transverse plate is arranged on the two pairs of limiting clamping blocks, two pairs of guide grooves with the same structure are formed in opposite wall surfaces of the pair of vertical plates and are positioned on two sides of the pair of vertical sliding rails, a pair of vertical grooves with the same structure are formed in the pair of vertical plates, a pair of threaded shafts are movably arranged between the upper wall surface and the lower wall surface of the pair of vertical grooves, a pair of ball nuts are assembled on the pair of threaded shafts, a pair of driven bevel gears are sleeved at the lower ends of the pair of threaded shafts, a pair of first servo motors are arranged on the lower wall surfaces of the pair of vertical grooves, a pair of driving bevel gears are arranged on, the pair of bearing plates are arranged on the pair of ball nuts, the pair of bearing plates are arranged on the pair of bearing plates, two pairs of sliding grooves with the same structure are formed in two sides of the pair of threaded shafts, two pairs of sliding sheets are embedded in the two pairs of sliding grooves, two pairs of second servo motors are arranged on the two pairs of sliding sheets, two pairs of nut supports are respectively arranged on the pair of bearing plates and are positioned on the inner sides of the two pairs of sliding grooves, two pairs of jacks with the same structure are formed in the outer side wall surfaces of the two pairs of splicing blocks, two pairs of insertion rods are inserted into the two pairs of jacks, one pair of bearing plates are arranged on the lower sides of two pairs of threaded rods, two pairs of sliding grooves with the same structure are formed in the lower sides of the two pairs of threaded rods, one ends of;
the centre gripping fixed knot constructs, it includes: the device comprises a pair of horizontal sliding rails with the same structure, a bottom plate, two pairs of guide posts with the same structure, two pairs of guide sleeves with the same structure and two pairs of arc-shaped plates with the same structure;
the pair of horizontal sliding rails is arranged on the experiment table and located between the pair of vertical sliding rails, the lower wall surface of the bottom plate is provided with a pair of through grooves with the same structure, the bottom plate is arranged on the pair of horizontal sliding rails through the pair of through grooves, the upper wall surface of the bottom plate is provided with a placing groove, the two pairs of guide pillars are embedded on the bottom plate, the two pairs of guide sleeves are sleeved on the two pairs of guide pillars, and the two pairs of arc-shaped plates are arranged on the opposite wall surfaces of the two pairs of guide sleeves.
The failure testing mechanism, it includes: traction structure, voussoir acceleration structure and side protective structure.
The towing construction, which comprises: the device comprises a mounting box, a rolling shaft, a pair of traction lines with the same structure, a driven gear, a third servo motor and a driving gear;
the mounting box is arranged on the top plate, the lower wall surface of the mounting box is open, the roller is inserted between two side wall surfaces in the mounting box, one end of each of the pair of pulling wires is tied to two ends of the roller, the lower wall surface of the mounting box is provided with a pair of threading holes with the same structure, the other end of each of the pair of pulling wires penetrates through the pair of threading holes and is tied to two ends of the transverse plate, the driven gear is sleeved on the outer wall surface of the roller, the third servo motor is arranged on the lower wall surface in the mounting box, and the driving gear is arranged on the driving end of the third servo motor and meshed with the pair of driven gears.
The wedge accelerating structure includes: the pair of baffles with the same structure, a plurality of electric push rods with the same structure, an upper wall plate, a plurality of electromagnet switches with the same structure, a wedge-shaped block, a plurality of hooks with the same structure and a plurality of tension springs with the same structure;
the pair of baffles is arranged on the opposite wall surfaces of the pair of vertical plates and is positioned above the pair of vertical slide rails, the electric push rods are embedded in the top plate and are positioned in front of and behind the threading holes, the upper wall plate is connected to the telescopic ends of the electric push rods, the electromagnet switches are embedded in the lower wall surface of the upper wall plate, the wedge block is arranged on the lower wall surface of the transverse plate, the hooks are embedded in the upper wall surface of the transverse plate, and the tension springs are connected between the hooks and the electromagnet switches.
The side guard structure, it includes: the steel wire net comprises two pairs of vertical rods with the same structure, two pairs of transverse rods with the same structure, a plurality of protective rods with the same structure and a steel wire net;
the steel wire mesh is wrapped on the outer wall surfaces of the protection rods.
The wire mesh has 5 x 5mm mesh openings.
The upper end of the wedge-shaped block is carved with threads, and the lower wall surface of the transverse plate is provided with an internal thread block matched with the wedge-shaped block.
A plurality of monitoring probes are installed on the vertical plates: the monitoring probe is used for recording the experimental process.
The center of the upper wall surface of the transverse plate is provided with a threaded seat: the threaded seat is used for installing a tensile test clamping jaw.
And the pair of traction wires are both of nylon yarn material structures.
The mechanical property testing equipment manufactured by the technical scheme of the invention has the advantages of exquisite structure and convenient use, integrates multiple functions into a whole, and only needs to replace a few parts of components on the equipment when different experiments are carried out, so the mechanical property testing equipment is very convenient to use compared with the equipment and instruments which are completely replaced, simultaneously reduces the cost, has moderate structure size, is more suitable for small and medium-sized enterprises, has controllable cost, is closer to the reality of destructive test simulation, and can practically observe the mechanical property of a safety tool.
Drawings
Fig. 1 is a schematic structural view of a mechanical property test device for an electric power safety tool according to the present invention.
FIG. 2 is a schematic side view of the mechanical property test equipment for the electric power safety tool.
FIG. 3 is a schematic diagram of a vertical plate cross-sectional side view structure of the mechanical property test equipment for the electric power safety tool.
Fig. 4 is a schematic top view of the mechanical property test equipment for the electric power safety tool of the present invention.
Fig. 5 is a schematic diagram of a partially enlarged structure of the mechanical property test equipment for the electric power safety tool shown in fig. 1.
In the figure: 1. a laboratory bench; 2. a vertical plate; 3. a vertical slide rail; 4. a top plate; 5. splicing blocks; 6. a bolt; 7. a limiting clamping block; 8. a transverse plate; 9. a threaded shaft; 10. a ball nut; 11. a driven bevel gear; 12. a first servo motor; 13. a drive bevel gear; 14. a carrier plate; 15. sliding blades; 16. a second servo motor; 17. a nut bracket; 18. inserting a rod; 19. a threaded rod; 20. a horizontal slide rail; 21. a base plate; 22. a guide post; 23. a guide sleeve; 24. an arc-shaped plate; 25. installing a box; 26. a roller; 27. a pull wire; 28. a driven gear; 29. a third servo motor; 30. a driving gear; 31. a baffle plate; 32. an electric push rod; 33. an upper wall plate; 34. an electromagnet switch; 35. a wedge block; 36. hooking; 37. a tension spring; 38. a vertical rod; 39. a cross bar; 40. a guard bar; 41. steel wire mesh; 42. an internal thread block; 43. monitoring the probe; 44. a threaded seat.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1 to 5, an electric power safety tool mechanical property test device includes an experiment table 1, a pair of vertical plates 2 with the same structure, a pair of vertical slide rails 3 with the same structure, and a top plate 4, wherein the pair of vertical plates 2 are arranged on the experiment table 1, the pair of vertical slide rails 3 are arranged on opposite wall surfaces of the pair of vertical plates 2, the top plate 4 is arranged at the upper ends of the pair of vertical plates 2, a mechanical test mechanism is arranged on the experiment table 1 and between the pair of vertical slide rails 3, and a failure test mechanism is arranged on the pair of vertical slide rails 3; the mechanical testing mechanism, it includes: the clamping device comprises a tension force applying mechanism and a clamping and fixing mechanism; the pulling force application structure comprises: the device comprises two pairs of splicing blocks 5 with the same structure, a pair of bolts 6 with the same structure, two pairs of limiting clamping blocks 7 with the same structure, a transverse plate 8, a pair of threaded shafts 9 with the same structure, a pair of ball nuts 10 with the same structure, a pair of driven bevel gears 11 with the same structure, a pair of first servo motors 12 with the same structure, a pair of driving bevel gears 13 with the same structure, a pair of bearing plates 14 with the same structure, two pairs of sliding blades 15 with the same structure, two pairs of second servo motors 16 with the same structure, two pairs of nut brackets 17 with the same structure, two pairs of insertion rods 18 with the same structure and two pairs of threaded rods 19 with the same structure; the two pairs of splicing blocks 5 are respectively arranged on two sides of the pair of vertical sliding rails 3 and are connected through the pair of bolts 6, the two pairs of limiting fixture blocks 7 are arranged on opposite wall surfaces of the two pairs of splicing blocks 5, the transverse plate 8 is arranged on the two pairs of limiting fixture blocks 7, two pairs of guide grooves with the same structure are arranged on opposite wall surfaces of the pair of vertical plates 2 and on two sides of the pair of vertical sliding rails 3, a pair of vertical grooves with the same structure are formed in the pair of vertical plates 2, the pair of threaded shafts 9 are movably arranged between the upper wall surface and the lower wall surface in the pair of vertical grooves, the pair of ball nuts 10 are assembled on the pair of threaded shafts 9, the pair of driven bevel gears 11 are sleeved at the lower ends of the pair of threaded shafts 9, the pair of first servo motors 12 are arranged on the lower wall surfaces in the pair of vertical grooves, and the pair of driving bevel, and is engaged with a pair of the driven bevel gears 11, a pair of the carrier plates 14 are disposed on a pair of the ball nuts 10, a pair of the carrier plates 14, two pairs of sliding grooves with the same structure are formed in two sides of the pair of threaded shafts 9, the two pairs of sliding pieces 15 are embedded in the two pairs of sliding grooves, the two pairs of second servo motors 16 are arranged on the two pairs of sliding pieces 15, the two pairs of nut supports 17 are respectively arranged on the pair of bearing plates 14, and are positioned at the inner sides of the two pairs of sliding grooves, two pairs of jacks with the same structure are arranged on the outer side wall surfaces of the two pairs of splicing blocks 5, two pairs of insertion rods 18 are inserted into the two pairs of jacks, one pair of bearing plates 14, two pairs of sliding grooves with the same structure are formed below the two pairs of threaded rods 19, one ends of the two pairs of threaded rods 19 are connected to the driving ends of the two pairs of servo motors, and the other ends of the two pairs of threaded rods 19 are embedded in the end faces of the two pairs of insertion rods 18; the centre gripping fixed knot constructs, it includes: a pair of horizontal sliding rails 20 with the same structure, a bottom plate 21, two pairs of guide posts 22 with the same structure, two pairs of guide sleeves 23 with the same structure and two pairs of arc-shaped plates 24 with the same structure; the pair of horizontal sliding rails 20 is arranged on the experiment table 1 and located between the pair of vertical sliding rails 3, a pair of through grooves with the same structure is formed in the lower wall surface of the bottom plate 21, the bottom plate 21 is arranged on the pair of horizontal sliding rails 20 through the pair of through grooves, a placing groove is formed in the upper wall surface of the bottom plate 21, the two pairs of guide pillars 22 are embedded on the bottom plate 21, the two pairs of guide sleeves 23 are sleeved on the two pairs of guide pillars 22, and the two pairs of arc-shaped plates 24 are arranged on the opposite wall surfaces of the two pairs of guide sleeves 23; the failure testing mechanism, it includes: the device comprises a traction structure, a wedge block acceleration structure and a side protection structure; the towing construction, which comprises: a mounting case 25, a roller 26, a pair of traction wires 27 having the same structure, a driven gear 28, a third servo motor 29 and a driving gear 30; the mounting box 25 is arranged on the top plate 4, the lower wall surface of the mounting box is open, the roller 26 is inserted between two side wall surfaces in the mounting box 25, one end of each of the pull wires 27 is tied at two ends of the roller 26, the lower wall surface of the mounting box 25 is provided with a pair of threading holes with the same structure, the other end of each of the pull wires 27 penetrates through the corresponding threading hole and is tied at two ends of the transverse plate 8, the driven gear 28 is sleeved on the outer wall surface of the roller 26, the third servo motor 29 is arranged on the inner lower wall surface of the mounting box 25, and the driving gear 30 is arranged on the driving end of the third servo motor 29 and is meshed with the corresponding driven gear 28; the wedge accelerating structure includes: a pair of baffles 31 with the same structure, a plurality of electric push rods 32 with the same structure, an upper wall plate 33, a plurality of electromagnet switches 34 with the same structure, a wedge-shaped block 35, a plurality of hooks 36 with the same structure and a plurality of tension springs 37 with the same structure; the pair of baffles 31 are arranged on opposite wall surfaces of the pair of vertical plates 2 and positioned above the pair of vertical slide rails 3, the plurality of electric push rods 32 are embedded in the top plate 4 and positioned in front of and behind the threading holes, the upper wall plate 33 is connected to the telescopic ends of the plurality of electric push rods 32, the plurality of electromagnet switches 34 are embedded in the lower wall surface of the upper wall plate 33, the wedge-shaped block 35 is arranged on the lower wall surface of the transverse plate 8, the plurality of hooks 36 are embedded in the upper wall surface of the transverse plate 8, and the plurality of tension springs 37 are connected between the plurality of hooks 36 and the plurality of electromagnet switches 34; the side guard structure, it includes: two pairs of vertical rods 38 with the same structure, two pairs of cross rods 39 with the same structure, a plurality of protective rods 40 with the same structure and a steel wire mesh 41; the two pairs of vertical rods 38 are arranged on the experiment table 1, the two pairs of transverse rods 39 are connected between the upper ends of the two pairs of vertical rods 38, the plurality of protection rods 40 are connected between the two pairs of transverse rods 39 and the experiment table 1, and the steel wire meshes 41 are wrapped on the outer wall surfaces of the plurality of protection rods 40; the steel wire mesh 41 is provided with meshes of 5mm multiplied by 5 mm; the upper end of the wedge-shaped block 35 is carved with threads, and the lower wall surface of the transverse plate 8 is provided with an internal thread block 42 matched with the wedge-shaped block; a plurality of monitoring probes 43 are arranged on the vertical plates 2: the monitoring probe 43 is used for recording the experimental process; the center of the upper wall surface of the transverse plate 8 is provided with a threaded seat 44: the threaded seat 44 is used for mounting a tension test clamping jaw; the pair of the pulling wires 27 are both made of nylon thread material.
The experimental bench is characterized by comprising an experimental bench 1, a pair of vertical plates 2 with the same structure, a pair of vertical slide rails 3 with the same structure and a top plate 4, wherein the pair of vertical plates 2 are arranged on the experimental bench 1, the pair of vertical slide rails 3 are arranged on opposite wall surfaces of the pair of vertical plates 2, the top plate 4 is arranged at the upper ends of the pair of vertical plates 2, a mechanical testing mechanism is arranged on the experimental bench 1 and between the pair of vertical slide rails 3, and a damage testing mechanism is arranged on the pair of vertical slide rails 3; mechanical testing mechanism, it includes: the clamping device comprises a tension force applying mechanism and a clamping and fixing mechanism; pulling force application of force structure, it includes: the device comprises two pairs of splicing blocks 5 with the same structure, a pair of bolts 6 with the same structure, two pairs of limiting clamping blocks 7 with the same structure, a transverse plate 8, a pair of threaded shafts 9 with the same structure, a pair of ball nuts 10 with the same structure, a pair of driven bevel gears 11 with the same structure, a pair of first servo motors 12 with the same structure, a pair of driving bevel gears 13 with the same structure, a pair of bearing plates 14 with the same structure, two pairs of sliding blades 15 with the same structure, two pairs of second servo motors 16 with the same structure, two pairs of nut brackets 17 with the same structure, two pairs of insertion rods 18 with the same structure and two pairs of threaded rods 19 with the same structure; two pairs of splicing blocks 5 are respectively arranged on two sides of a pair of vertical slide rails 3 and connected through a pair of bolts 6, two pairs of limiting clamping blocks 7 are arranged on opposite wall surfaces of the two pairs of splicing blocks 5, a transverse plate 8 is arranged on the two pairs of limiting clamping blocks 7, two pairs of guide grooves with the same structure are arranged on opposite wall surfaces of a pair of vertical plates 2 and on two sides of the pair of vertical slide rails 3, a pair of vertical grooves with the same structure are arranged in the pair of vertical plates 2, a pair of threaded shafts 9 are movably arranged between the upper wall surface and the lower wall surface in the pair of vertical grooves, a pair of ball nuts 10 are assembled on the pair of threaded shafts 9, a pair of driven bevel gears 11 are sleeved at the lower ends of the pair of threaded shafts 9, a pair of first servo motors 12 are arranged on the lower wall surfaces in the pair of vertical grooves, a pair of driving bevel gears 13, two pairs of sliding grooves with the same structure are formed in the two sides of the pair of threaded shafts 9 on the pair of bearing plates 14, two pairs of sliding pieces 15 are embedded in the two pairs of sliding grooves, two pairs of second servo motors 16 are arranged on the two pairs of sliding pieces 15, two pairs of nut supports 17 are respectively arranged on the pair of bearing plates 14 and are positioned on the inner sides of the two pairs of sliding grooves, two pairs of jacks with the same structure are formed in the outer side wall surfaces of the two pairs of splicing blocks 5, two pairs of insertion rods 18 are inserted into the two pairs of jacks, two pairs of bearing plates 14 are provided with two pairs of sliding grooves with the same structure below two pairs of threaded rods 19, one ends of the two pairs of threaded rods 19 are connected to the driving ends of; centre gripping fixed knot constructs, it includes: a pair of horizontal sliding rails 20 with the same structure, a bottom plate 21, two pairs of guide posts 22 with the same structure, two pairs of guide sleeves 23 with the same structure and two pairs of arc-shaped plates 24 with the same structure; the pair of horizontal sliding rails 20 are arranged on the experiment table 1 and located between the pair of vertical sliding rails 3, the lower wall surface of the bottom plate 21 is provided with a pair of through grooves with the same structure, the bottom plate 21 is arranged on the pair of horizontal sliding rails 20 through the pair of through grooves, the upper wall surface of the bottom plate 21 is provided with a placing groove, the two pairs of guide posts 22 are embedded on the bottom plate 21, the two pairs of guide sleeves 23 are sleeved on the two pairs of guide posts 22, and the two pairs of arc-shaped plates 24 are arranged on the; this mechanical properties test equipment, the structure is exquisite, and convenient to use assembles multiple functions in an organic whole, only need change few subassemblies above that when carrying out the experiment of difference, therefore it is very convenient to use contrast change instrument and equipment completely, has also reduced the cost simultaneously, and the structure size is moderate, more is fit for middle-size and small-size enterprise, and the cost is controllable, is close the reality to destructive test's simulation more simultaneously, can observe out the mechanical properties of safety tool practically.
The following are the types of some of the electrical components mentioned in this document;
a first servo motor: 180 series 7.9KW DC low-voltage servo motor produced by Demark motor company.
Second servo motor, third servo motor: MX201N2LN07 type servo motor manufactured by Loop Motor technology, Inc.
A servo driver: the Hongsen brand HST1 type servo driver, also called servo controller and servo amplifier, is a controller for controlling servo motor, and its action is similar to that of frequency converter acting on general AC motor, belonging to a part of servo system, mainly used in high-precision positioning system. The servo motor is generally controlled by three modes of position, speed and moment, so that the high-precision positioning of a transmission system is realized, and the servo motor is a high-end product of a transmission technology at present.
A controller: the industrial computer model TP1568 produced by the same industry control is adopted, the industrial computer is an industrial control computer specially used in the industry, the basic performance and the compatibility of the industrial computer are almost the same as those of a commercial computer, but the industrial computer focuses more on the stability under different environments, and the Fuji health industrial tablet computer (FOXKPC) has the most representative performance. Provides an optimal solution for the control of the human-machine interface and the production flow.
Electric push rod: h & T chromium nameplate HTA2500-100 type electric push rod.
Electromagnet switching: the electronic door lock switch of the positive permanent brand.
The following are descriptions of the shapes and materials of the splicing blocks, the transverse plates, the vertical sliding rails, the bearing plates, the nut supports, the arc-shaped plates, the steel wire meshes and the internal thread blocks in the scheme;
splicing blocks: the rectangular plate made of Q235 material is provided with a groove.
Transverse plate: the upper wall surface of the Q235 material is provided with a rectangular plate with a plurality of hooks.
A vertical plate: one side wall of the Q235 material is provided with a rectangular hollow plate with a through groove.
Vertical slide rail: the cross section of the Q235 material is an I-shaped sliding rail.
Carrying a plate: the center of the Q235 material is provided with a rectangular plate with a circular through hole.
Nut support: a rectangular bracket of Q235 material with internal threads.
Arc-shaped plate: the arc plate of Q235 material.
Steel wire mesh: stainless steel woven mesh with prismatic through holes.
An internal thread block: the center of Q235 material is provided with a rectangular plate with a cylindrical internal thread hole.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
Example (b): when in use, the experiment table 1 is placed on a flat ground in a laboratory, the whole device is placed by depending on the experiment table 1, the pressure to the ground is reduced, a pair of vertical plates 2 are arranged on two sides of the upper wall surface of the experiment table 1, vertical slide rails 3 are arranged on the opposite wall surfaces of the vertical plates 3, splicing blocks 5 are arranged on two sides of the vertical slide rails 3, the splicing blocks 5 are connected and fixed by bolts 6 after being butted, the vertical slide rails 3 can move up and down, a transverse plate 8 is fixed on the two pairs of spliced splicing blocks 5 through limiting fixture blocks 7, a threaded shaft 9 is arranged in a vertical groove in the vertical plate 2, a driven bevel gear 11 is arranged at the lower end of the threaded shaft and is driven by a first servo motor 12 and a driving bevel gear 13 on the threaded shaft, jacks are arranged on the rear wall surfaces of the two pairs of splicing blocks 5, ball nuts 10 are arranged on the threaded shaft 9, a, a sliding sheet 15 is embedded in the sliding chute, a second servo motor 16 is arranged on the sliding sheet 15, a through groove is arranged at the corresponding position of the vertical plate 2, a threaded rod 19 is fixed by a nut bracket 17 and can rotate and advance in the threaded rod, one end of the threaded rod 19 is connected with the second servo motor 16, the other end of the threaded rod is connected with an insertion rod 18, the insertion rod 18 is inserted in the insertion hole, if a pulling force test of the electric power safety tool is required, a clamping jaw is screwed in a threaded seat 44 on the transverse plate 8, the lower end of the electric power safety tool is clamped in the clamping jaw, the upper end of the electric power safety tool is hung on a hook 36, a controller sends a signal to a servo driver, then the servo driver sends a signal to the second servo motor 16, the second servo motor 16 receives the signal to rotate in the forward direction, the threaded rod 19 on the second servo motor is driven to rotate and move forward in the nut bracket 17, an insert rod 18 at the front end of a threaded rod 19 moves forwards and is inserted into the insert hole, so that a transverse plate 8 is connected with a ball nut 10, a controller sends an electric signal to a first servo motor 12, the first servo motor 12 starts to rotate after receiving the signal and drives a driving bevel gear 13 to rotate, the driving bevel gear 13 is meshed with a driven bevel gear 11 to drive a threaded shaft 9 to rotate, balls in the ball nut 10 perform circular reciprocating motion under the action of a backspacing device and drive the ball nut 10 to move downwards, a through hole is formed in the center of a bearing plate 14 on the ball nut 10 and passes through the threaded shaft 9, so that the bearing plate 14 can move upwards and downwards along with the ball nut 10, the transverse plate 8 can move upwards and downwards on a vertical slide rail 3 through the insert rod 18 and a through groove, clamping jaws in a threaded seat 44 on the transverse plate 8 descend along with the through groove, and the clamping jaws stretch an electric safety tool, the tension is sensed by a sensor arranged in the clamping jaw and is transmitted to a controller, the controller is displayed by data processing, data is recorded by the mode, if destructive experiments are required, the first servo motor 12 is controlled to rotate reversely after the device is reset, the inserted rod 18 is withdrawn from the inserted hole, at the moment, the first servo motor 12 and the second servo motor 16 are turned off, electric safety tools, particularly safety helmets, are particularly important for protecting workers, the destructive experiments are an essential ring in detecting the mechanical property of the safety helmets, a common mechanical property testing device needs to replace a matched detecting device, time is wasted, cost is high, the safety helmets are fixed in a placing groove of a bottom plate 21 through a fixing structure in the device, the bottom plate 21 is movably arranged on an experiment table 1 through a sliding rail, guide columns 22 and guide sleeves 23 are arranged on two sides of the placing groove in the center of the bottom plate 21, the guide sleeve 23 is sleeved on the guide post 22, the arc-shaped plate 24 between the guide sleeves 23 is clamped around the safety helmet, the wedge-shaped block 35 is screwed in the internal thread block 42 on the lower wall surface of the transverse plate 8 at the moment, the wedge-shaped block 35 is positioned above the safety helmet, the transverse plate 8 is stretched to the highest position through a traction device at the moment, the highest position is limited by the baffle 31, the upper wall surface of the top plate 4 is provided with the installation box 25, the installation box 25 is internally provided with the traction device, rolling shafts 26 are inserted on two opposite inner sides of the installation box, the rolling shafts 26 are sleeved with driven gears 28 and driven to rotate clockwise or anticlockwise through the meshing action of a motor and a driving gear 30 with the driving gear 30, so that the traction wire 27 is withdrawn or released, the lower end of the traction wire 27 is tied on the transverse plate 8, after the transverse plate 8 is lifted to the highest position, one end of a tension spring 37 is fixed through an electromagnet switch 34, the hook 36 is arranged on the lower wall surface of the upper wall plate 33, the tension spring 37 is arranged between the hook 36 and the electromagnet switch 34, the upper wall plate 33 is pulled up through the electric push rod 32 and stores force for the tension spring 37, during the experiment, the electromagnet is controlled to be opened through the controller, the tension spring 37 is instantly released, the transverse plate 8 falls down under the action of the directional force to destroy the safety helmet through the wedge-shaped block 35, the destruction process is recorded through the monitoring probe 43 so as to research the stress condition of each part of the safety helmet in the experiment process, different initial accelerations of the wedge-shaped block 35 can be realized by changing the number of the tension spring 37, the initial kinetic energy of the wedge-shaped block 35 is further changed so as to simulate the falling condition of the wedge-shaped block 35 at different heights, the protection devices are arranged around the experiment table 1, the vertical rod 38 and the transverse rod 39 form a square protection frame, install the protection network on the protective frame, the safety helmet fragmentation after the protection network can avoid destroying splashes and hurts the people, can realize different experimental requirements through this equipment, and different mechanics experiments are carried out to an equipment to through this simple equipment of tension spring 37, simulate out not co-altitude tenesmus object to the destructive effect of safety helmet, the structure is exquisite, and convenient to use, the cost is moderate simultaneously, is fit for middle-size and small-size enterprise and uses.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. The mechanical property test equipment for the electric power safety tool comprises an experiment table (1), a pair of vertical plates (2) with the same structure, a pair of vertical slide rails (3) with the same structure and a top plate (4), and is characterized in that the pair of vertical plates (2) are arranged on the experiment table (1), the pair of vertical slide rails (3) are arranged on opposite wall surfaces of the pair of vertical plates (2), the top plate (4) is arranged at the upper ends of the pair of vertical plates (2), a mechanical test mechanism is arranged on the experiment table (1) and between the pair of vertical slide rails (3), and a damage test mechanism is arranged on the pair of vertical slide rails (3);
the mechanical testing mechanism, it includes: the clamping device comprises a tension force applying mechanism and a clamping and fixing mechanism;
the pulling force applying mechanism comprises: the device comprises two pairs of splicing blocks (5) with the same structure, a pair of bolts (6) with the same structure, two pairs of limiting clamping blocks (7) with the same structure, a transverse plate (8), a pair of threaded shafts (9) with the same structure, a pair of ball nuts (10) with the same structure, a pair of driven bevel gears (11) with the same structure, a pair of first servo motors (12) with the same structure, a pair of driving bevel gears (13) with the same structure, a pair of bearing plates (14) with the same structure, two pairs of sliding blades (15) with the same structure, two pairs of second servo motors (16) with the same structure, two pairs of nut supports (17) with the same structure, two pairs of inserting rods (18) with the same structure and;
the two pairs of splicing blocks (5) are respectively arranged on two sides of a pair of vertical sliding rails (3) and connected through a pair of bolts (6), the two pairs of limiting clamping blocks (7) are arranged on opposite wall surfaces of the two pairs of splicing blocks (5), the transverse plate (8) is arranged on the two pairs of limiting clamping blocks (7), two pairs of guide grooves with the same structure are formed in the opposite wall surfaces of a pair of vertical plates (2) and positioned on two sides of a pair of vertical sliding rails (3), a pair of vertical grooves with the same structure are formed in the pair of vertical plates (2), a pair of threaded shafts (9) are movably arranged between the upper wall surface and the lower wall surface in the pair of vertical grooves, a pair of ball nuts (10) are assembled on the pair of threaded shafts (9), a pair of driven bevel gears (11) are sleeved at the lower ends of the pair of threaded shafts (9), and a pair of first servo motors (12) are arranged on the lower wall, a pair of driving bevel gears (13) is mounted on the driving ends of the first servo motors (12) and meshed with the driven bevel gears (11), a pair of bearing plates (14) is mounted on the ball nuts (10), a pair of bearing plates (14) is provided with two pairs of sliding grooves with the same structure on two sides of the threaded shaft (9), two pairs of sliding pieces (15) are embedded in the two pairs of sliding grooves, two pairs of second servo motors (16) are mounted on the two pairs of sliding pieces (15), two pairs of nut supports (17) are respectively mounted on the bearing plates (14) and located on the inner sides of the two pairs of sliding grooves, two pairs of jacks with the same structure are formed in the outer side wall surfaces of the splicing blocks (5), two pairs of insertion rods (18) are inserted in the two pairs of jacks, and a pair of bearing plates (14) are arranged, two pairs of sliding grooves with the same structure are formed below the two pairs of threaded rods (19), one ends of the two pairs of threaded rods (19) are connected to the driving ends of the two pairs of second servo motors (16), and the other ends of the two pairs of threaded rods (19) are embedded in the end faces of the two pairs of insertion rods (18);
the centre gripping fixed establishment, it includes: the device comprises a pair of horizontal sliding rails (20) with the same structure, a bottom plate (21), two pairs of guide posts (22) with the same structure, two pairs of guide sleeves (23) with the same structure and two pairs of arc-shaped plates (24) with the same structure;
the pair of horizontal sliding rails (20) is arranged on the experiment table (1) and located between the pair of vertical sliding rails (3), a pair of through grooves with the same structure is formed in the lower wall surface of the bottom plate (21), the bottom plate (21) is installed on the pair of horizontal sliding rails (20) through the pair of through grooves, a placing groove is formed in the upper wall surface of the bottom plate (21), the two pairs of guide pillars (22) are embedded on the bottom plate (21), the two pairs of guide sleeves (23) are sleeved on the two pairs of guide pillars (22), and the two pairs of arc-shaped plates (24) are arranged on the opposite wall surfaces of the two pairs of guide sleeves (23).
2. The mechanical property test equipment for the electric power safety tool and the electric power safety tool as claimed in claim 1, wherein the damage test mechanism comprises: traction structure, voussoir acceleration structure and side protective structure.
3. The mechanical property test equipment for the electric power safety tool and the electric power safety tool as claimed in claim 2, wherein the traction structure comprises: the device comprises a mounting box (25), a roller (26), a pair of traction wires (27) with the same structure, a driven gear (28), a third servo motor (29) and a driving gear (30);
the mounting box (25) is arranged on the top plate (4), the lower wall surface of the mounting box is open, the roller (26) is inserted between two side wall surfaces in the mounting box (25), one end of the pair of pull wires (27) is tied to two ends of the roller (26), the lower wall surface of the mounting box (25) is provided with a pair of threading holes with the same structure, the other end of the pair of pull wires (27) penetrates through the pair of threading holes and is tied to two ends of the transverse plate (8), the driven gear (28) is sleeved on the outer wall surface of the roller (26), the third servo motor (29) is arranged on the inner lower wall surface of the mounting box (25), and the driving gear (30) is arranged on the driving end of the third servo motor (29) and meshed with the pair of driven gear (28).
4. The mechanical property test equipment for the electric power safety tool and the electric power safety tool as claimed in claim 2, wherein the wedge accelerating structure comprises: the device comprises a pair of baffles (31) with the same structure, a plurality of electric push rods (32) with the same structure, an upper wall plate (33), a plurality of electromagnet switches (34) with the same structure, a wedge-shaped block (35), a plurality of hooks (36) with the same structure and a plurality of tension springs (37) with the same structure;
the pair of baffles (31) are arranged on opposite wall surfaces of the pair of vertical plates (2) and are positioned above the pair of vertical sliding rails (3), the plurality of electric push rods (32) are embedded in the top plate (4) and are positioned in front of and behind the threading holes, the upper wall plate (33) is connected to the telescopic ends of the plurality of electric push rods (32), the plurality of electromagnet switches (34) are embedded in the lower wall surface of the upper wall plate (33), the wedge-shaped block (35) is arranged on the lower wall surface of the transverse plate (8), the plurality of hooks (36) are embedded in the upper wall surface of the transverse plate (8), and the plurality of tension springs (37) are connected between the plurality of hooks (36) and the plurality of electromagnet switches (34).
5. The mechanical property test equipment for the electric power safety tool and the electric power safety tool as claimed in claim 2, wherein the side protection structure comprises: two pairs of vertical rods (38) with the same structure, two pairs of transverse rods (39) with the same structure, a plurality of protective rods (40) with the same structure and a steel wire mesh (41);
two pairs of the vertical rods (38) are arranged on the experiment table (1), two pairs of the transverse rods (39) are connected between the upper ends of the two pairs of the vertical rods (38), the plurality of the protection rods (40) are connected between the two pairs of the transverse rods (39) and the experiment table (1), and the steel wire meshes (41) are wrapped on the outer wall surfaces of the plurality of the protection rods (40).
6. The mechanical property test equipment for the electric power safety tool is characterized in that the steel wire mesh (41) is provided with meshes of 5 x 5 mm.
7. The mechanical property test equipment for the electric power safety tool according to claim 4, wherein threads are carved on the upper end of the wedge block (35), and an internal thread block (42) matched with the wedge block is installed on the lower wall surface of the transverse plate (8).
8. The mechanical property test equipment for the electric power safety tool according to claim 1, wherein a plurality of monitoring probes (43) are mounted on a pair of vertical plates (2): the monitoring probe (43) is used to record the course of the experiment.
9. The mechanical property test equipment for the electric power safety tool according to claim 1, wherein a threaded seat (44) is installed at the center of the upper wall surface of the transverse plate (8): the threaded seat (44) is used for mounting a tensile test clamping jaw.
10. The mechanical property test equipment for the electric power safety tool according to claim 3, wherein the pair of pulling wires (27) are both of nylon yarn material structure.
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| CN201811375590.0A CN109490066B (en) | 2018-11-19 | 2018-11-19 | Mechanical property test equipment for electric power safety tool |
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| CN201811375590.0A CN109490066B (en) | 2018-11-19 | 2018-11-19 | Mechanical property test equipment for electric power safety tool |
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| CN109490066B true CN109490066B (en) | 2021-01-12 |
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| CN109812714B (en) * | 2019-04-08 | 2021-03-19 | 合隆防爆电气有限公司 | LED fluorescent tube with protect function |
| CN110098018B (en) * | 2019-05-31 | 2020-09-11 | 江苏华能电缆股份有限公司 | Armor layer packaging and strength detection equipment of cable production line |
| CN110567690B (en) * | 2019-07-05 | 2021-01-22 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Detection apparatus for relay protection box |
| CN112484974B (en) * | 2020-11-06 | 2023-03-28 | 苏州热工研究院有限公司 | Mechanical property test device suitable for electric power safety tool |
| CN118090521B (en) * | 2024-04-26 | 2024-07-02 | 交通运输部公路科学研究所 | Snow surface snow crystal grain grading testing device and method |
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| CN102252817A (en) * | 2010-04-20 | 2011-11-23 | 刘光镐 | Shock device and safety cap shock test machine |
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