CN111089806A - Impact testing equipment with heavy hammer - Google Patents

Impact testing equipment with heavy hammer Download PDF

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Publication number
CN111089806A
CN111089806A CN202010000275.0A CN202010000275A CN111089806A CN 111089806 A CN111089806 A CN 111089806A CN 202010000275 A CN202010000275 A CN 202010000275A CN 111089806 A CN111089806 A CN 111089806A
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CN
China
Prior art keywords
hammer head
fixed
sleeve
hammer
impact testing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010000275.0A
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Chinese (zh)
Inventor
顾进飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Newtek Emc & Epc Science & Technology Ltd
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Suzhou Newtek Emc & Epc Science & Technology Ltd
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Application filed by Suzhou Newtek Emc & Epc Science & Technology Ltd filed Critical Suzhou Newtek Emc & Epc Science & Technology Ltd
Priority to CN202010000275.0A priority Critical patent/CN111089806A/en
Publication of CN111089806A publication Critical patent/CN111089806A/en
Pending legal-status Critical Current

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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
    • G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
    • 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
    • G01N3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses impact testing equipment with a heavy hammer, which comprises fixed columns, wherein a fixed sheet is arranged between a pair of fixed columns, a sleeve is arranged on the fixed sheet, a pair of notches are formed in the upper part of the sleeve, an installation ring is arranged at the upper end of the sleeve, a pair of torsional spring hooks capable of being embedded into the notches are arranged on the installation ring, a baffle is arranged on one side of the fixed column, which is close to the lower end of the notch, a hammer head part comprises a sliding block, the sliding block is arranged in the fixed sleeve, a hammer head is arranged at the lower end of the sliding block, a vertical rod is arranged at the upper end of the sliding block, a hammer head cushion is arranged at the lower end of the hammer head, the vertical rod is positioned in the sleeve, a transverse rod is arranged in the middle of the sliding block, an inverted cone head; the hammering height can be recorded in real time through the laser range finder, and the acceleration of the free falling body on the surface of the measured object and the hammering force during hammering are calculated through the height and the weight of the hammer head.

Description

Impact testing equipment with heavy hammer
Technical Field
The invention relates to the technical field of testing devices, in particular to impact testing equipment with a heavy hammer.
Background
For some products needing impact resistance, the products are generally required to be subjected to impact resistance testing before leaving factories so as to ensure that the product quality reaches the standard.
The existing testing method generally adopts manual testing, mainly includes that a hammer head is taken manually, then the hand is loosened above an object to be tested, free falling body movement is achieved to carry out impact testing, the testing method is simple, but the placement height of the hammer head is not necessarily accurate every time, errors exist, testing references are different, testing accuracy is not accurate, manual testing is adopted, labor intensity is high, and efficiency is low.
Disclosure of Invention
The invention aims to provide impact testing equipment with a heavy hammer, wherein an electric cylinder module drives a hammer head part to realize soft contact with an object to be tested, free-fall impact is carried out, the electric cylinder module is reset at the same time, and the continuity of operation is ensured; the whole equipment is of a simple mechanical structure, so that the equipment is durable and stable in performance; the hammering height and the hammering force during hammering can be recorded in real time through the laser range finder.
In order to achieve the purpose, the invention adopts the technical scheme that: an impact test device with a heavy hammer comprises a rack, wherein at least one test unit is arranged on the rack, the test unit comprises an electric cylinder module and a hammer head component, the electric cylinder module is vertically arranged on the rack, a mounting frame is arranged on the electric cylinder module in a sliding manner, the hammer head component is arranged at one end of the mounting frame and comprises a fixed column, a fixed sleeve and a hammer head part, the fixed sleeve and the fixed column are arranged on the mounting frame, a fixed sheet is arranged between the fixed column and the fixed column, a sleeve penetrating through the body of the fixed sheet is arranged on the fixed sheet, a pair of notches are symmetrically arranged at the upper part of the sleeve, a mounting ring is fixed at the upper end of the sleeve, a pair of torsion spring hooks capable of being embedded into the notches are symmetrically arranged on the mounting ring, a baffle is arranged at one side, close to the lower end of the notch, this tup portion includes slider, tup, hammer head pad, montant, horizontal pole and back taper head, the slider can be slided set up in fixed cover, and its lower extreme is equipped with the tup on it, the hammer head pad is installed to the lower extreme of tup, the montant is located the sleeve, and its middle part is equipped with the horizontal pole, and the top is equipped with the back taper head that can hang on a pair of torsional spring couple, the horizontal pole stretches out the top that lies in a pair of baffle behind the breach.
As a further optimization, the diameter of the lower end face of the inverted conical head is larger than that of the vertical rod.
As a further optimization, a protective shell is arranged outside the hammer head assembly and fixed on the mounting frame.
As further optimization, this impact testing equipment with weight still includes laser range finder, laser range finder sets up in the top of hammer head pad, be equipped with on the hammer head pad with laser range finder assorted and vertically run through the through-hole of its body.
As a further optimization, the number of the test units is two.
As a further optimization, a protective casing is arranged on the outer side of the electric cylinder module.
As a further optimization, a touch display screen is arranged on the protective casing.
As a further optimization, a telescopic cylinder is arranged on the rack, and a brush used for cleaning the working table top is arranged at the telescopic end of the telescopic cylinder.
As a further optimization, a hammer head library is arranged on the machine frame.
Compared with the prior art, the invention has the following beneficial effects: the electric cylinder module drives the hammer head part to realize soft contact with an object to be detected, free falling impact is carried out, and the electric cylinder module is reset at the same time, so that the continuity of operation is ensured; the whole equipment is of a simple mechanical structure, so that the equipment is durable and stable in performance; the mass and the hitting height of the hammer head can be adjusted; the hammering height can be recorded in real time through the laser range finder, and the acceleration of the free falling body on the surface of the measured object and the hammering force during hammering are calculated through the height and the weight of the hammer head.
Drawings
FIG. 1 is a block diagram of the present invention.
Fig. 2 is a structural view of the hammer head assembly of the present invention.
Fig. 3 is a structural view of the hammer head assembly of the present invention with the sleeve removed.
In the figure, 1, a frame; 2. a test unit; 3. a protective enclosure; 4. a touch display screen; 5. a laser range finder; 21. an electric cylinder module; 22. a mounting frame; 23. a hammerhead assembly; 230. a protective housing; 231. a hammer head; 2301. fixing a column; 2302. fixing a sleeve; 2303. a baffle plate; 2304. a fixing sheet; 2305. a sleeve; 2306. a notch; 2310. a hammer head; 2311. a slider; 2312. hammering the head pad; 2313. a vertical rod; 2314. a cross bar; 2315. an inverted conical head; 2321. a mounting ring; 2322. a torsion spring hook; 23121. and a through hole.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 3, an impact testing apparatus with a heavy hammer comprises a frame 1, at least one testing unit 2 is arranged on the frame 1, the testing unit 2 comprises an electric cylinder module 21 and a hammer head assembly 23, the electric cylinder module 21 is vertically arranged on the frame 1, an installation frame 22 is slidably arranged on the electric cylinder module 21, the hammer head assembly 23 is arranged at one end of the installation frame 22, the hammer head assembly 23 comprises a fixed column 2301, a fixed sleeve 2302 and a hammer head portion 231, the fixed sleeve 2302 and a pair of fixed columns 2301 are arranged on the installation frame 22, a fixing plate 2304 is arranged between the pair of fixed columns 2301, a sleeve 2305 penetrating through the body of the fixing plate 2304 is arranged on the fixing plate 2304, a pair of notches 2306 are symmetrically arranged on the upper portion of the sleeve 2305, an installation ring 2321 is fixed on the upper end of the installation ring 2321, a pair of torsion spring hooks 2322 capable of being embedded into the notches 6 is symmetrically arranged on, the hammer head 231 can be arranged in the fixed sleeve 2302 in a vertically sliding manner, the hammer head 231 comprises a sliding block 2311, a hammer head 2310, a hammer head pad 2312, a vertical rod 2313, a cross rod 2314 and an inverted conical head 2315, the sliding block 2311 is arranged in the fixed sleeve 2302 in a sliding manner, the hammer head 2310 is arranged at the lower end of the sliding block 2311, the vertical rod 2313 is arranged at the upper end of the sliding block 2313, the hammer head 2312 is arranged at the lower end of the hammer head 2310, the vertical rod 2313 is located in the sleeve 2305, the cross rod 2314 is arranged in the middle of the sliding block 2313, the inverted conical head 2315 capable of being hung on the pair of torsion spring hooks 232.
The method comprises the following steps of placing an object to be tested below a hammer head component and fixing the object to be tested, wherein the impact test of the equipment is divided into two steps, the first step is that an electric cylinder module drives the hammer head component to move downwards to a proper position, a PLC controls an electric cylinder to adapt to products with different heights by controlling the electric cylinder, an operator can input different product heights, the PLC controls the electric cylinder to reach different positions according to corresponding analog quantity, the independent setting of the descending speed, the descending distance, the deceleration amplitude and the deceleration distance of the hammer head component driven by a servo electric cylinder is achieved, and the impact test is simultaneously carried out after the contact product stops; secondly, the hammer head component performs corresponding actions, the bottom end of the inverted cone head is hung on the pair of torsion spring hooks, after the electric cylinder module descends and stops moving, the hammer head part enables the inverted cone head to be separated from the pair of torsion spring hooks under the action of gravity, and at the moment, the hammer head part forms free falling motion, so that impact test on the object to be tested is realized; after the impact test is finished, the electric cylinder module drives the hammer head component to ascend and reset, in the ascending process, the pair of baffles upwards drag the cross rod to move upwards, after the electric cylinder stops ascending, the head part is urged to continuously ascend under the action of inertia, passes through the pair of torsional spring hooks through the inverted conical head, and is limited and hung by the pair of torsional spring hooks when falling under the action of gravity, and the resetting action of the whole machine is finished.
The diameter of the lower end face of the inverted conical head 2315 is larger than that of the vertical rod 2313.
The hammer head assembly 23 is provided with a protective casing 230 on the outside, and the protective casing 230 is fixed on the mounting frame 22.
The impact testing equipment with the heavy hammer further comprises a laser range finder 5, wherein the laser range finder 5 is arranged above the hammer head pad 2312, and a through hole 23121 which is matched with the laser range finder 5 and vertically penetrates through the body of the laser range finder is formed in the hammer head pad 2312.
The laser range finder is arranged above the hammer head pad, can be fixed on the protective shell, the fixing sleeve and the hammer head pad, can measure the distance between the hammer head and an object to be hammered on the working table surface in real time through a through hole on the hammer head pad, and calculates the acceleration of a free falling body on the surface of the object to be hammered and the hammering force during hammering through the height and the weight of the hammer head; and the data is fed back to a computer connected with the equipment in real time, so that the measuring result can be subjected to real-time datamation aiming at different falling heights, the accuracy and the efficiency are high, and the rapid analysis of the hammering result is facilitated.
The number of test unit 2 is two, sets up two electric jar modules, but independent control, also can simultaneous control, both can test a product alone, also can detect two products simultaneously, raises the efficiency, and the PLC procedure can count respectively and total count the number of times of detection, makes things convenient for operating personnel to inspect.
The outer side of the electric cylinder module 21 is provided with a protective casing 3; the touch display screen 4 is arranged on the protective casing 3, and in addition, the program has the functions of alarming and recording, so that the equipment is conveniently maintained.
Be equipped with telescopic cylinder (not shown) in the frame, telescopic cylinder's flexible end is equipped with brush (not shown) that is used for cleaning table surface, and the tup subassembly can make to wait to detect article in whereabouts hammering in-process and produce dust or piece because the hammering effect, through telescopic cylinder and the brush of reasonable setting station, can be fast with the dust piece on the table surface clean in the collecting box of frame one side, keep table surface clean.
Be equipped with tup storehouse (not shown) in the frame, can set up the tup storehouse similar with the tool bit storehouse on the digit control machine tool in frame one side, the tup in the tup storehouse sets up different weight, can set up the material of different hardness to the demand of coping various simulation impact tests, lift the tup pad off from the tup through artifical or mechanical action, change behind the tup again with the installation of tup pad in place, conveniently select the tup of different weight to carry out the hammering test.
In addition, a high-speed camera can be arranged on the rack, and the specific process of analyzing the damage and crushing of the articles can be recorded and observed for a destructive weight test.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (9)

1. The impact testing equipment with the heavy hammer comprises a rack (1) and is characterized in that at least one testing unit (2) is arranged on the rack (1), the testing unit (2) comprises an electric cylinder module (21) and a hammer head assembly (23), the electric cylinder module (21) is vertically arranged on the rack (1), an installing frame (22) is arranged on the electric cylinder module (21) in a sliding manner, the hammer head assembly (23) is arranged at one end of the installing frame (22), the hammer head assembly (23) comprises a fixed column (2301), a fixed sleeve (2302) and a hammer head part (231), the fixed sleeve (2302) and the fixed columns (2301) are arranged on the installing frame (22), a fixed plate (2304) is arranged between the fixed columns (2301), a sleeve (2305) penetrating through the body of the fixed plate (2304) is arranged on the fixed plate (2304), and a pair of notches (2306) are symmetrically arranged on the upper part of the sleeve (2305), a mounting ring (2321) is fixed at the upper end of the mounting ring (2321), a pair of torsion spring hooks (2322) capable of being embedded into the notch (2306) is symmetrically arranged on the mounting ring (2321), a baffle (2303) is arranged on one side of the fixed column (2301) close to the lower end of the notch (2306), the hammer head (231) is arranged in the fixed sleeve (2302) in a vertically sliding manner, the hammer head (231) comprises a sliding block (2311), a hammer head (2310), a hammer head pad (2312), a vertical rod (2313), a cross rod (2314) and an inverted cone head (2315), the sliding block (2311) is arranged in the fixed sleeve (2302) in a sliding manner, the hammer head (2310) is arranged at the lower end of the sliding block, the vertical rod (2313) is arranged at the lower end of the hammer head (2310), the vertical rod (2313) is positioned in the sleeve (2305), the cross rod (2314) is arranged at the middle of the sliding block, and the inverted cone head (, the cross bar (2314) extends out of the notch (2306) and then is positioned above the pair of baffles (2303).
2. The impact testing apparatus with a heavy hammer according to claim 1, wherein the diameter of the lower end surface of the inverted conical head (2315) is larger than the diameter of the vertical rod (2313).
3. The impact testing apparatus with a heavy hammer according to claim 1, wherein a protective housing (230) is provided outside the hammer head assembly (23), and the protective housing (230) is fixed on the mounting frame (22).
4. The impact testing apparatus with a heavy hammer according to any one of claims 1 to 3, further comprising a laser distance measuring instrument (5), wherein the laser distance measuring instrument (5) is disposed above the hammer head pad (2312), and the hammer head pad (2312) is provided with a through hole (23121) which is matched with the laser distance measuring instrument (5) and vertically penetrates through the body of the laser distance measuring instrument.
5. The impact testing apparatus with a weight according to claim 1, wherein the number of the testing units (2) is two.
6. The impact testing apparatus with a heavy hammer according to claim 1, wherein a protective housing (3) is provided outside the electric cylinder module (21).
7. The impact testing apparatus with a heavy hammer according to claim 6, wherein the protective housing (3) is provided with a touch display screen (4).
8. The impact testing apparatus with a heavy hammer according to claim 1, wherein the frame is provided with a telescopic cylinder, and the telescopic end of the telescopic cylinder is provided with a brush for cleaning the working table.
9. The impact testing apparatus with a heavy hammer according to claim 1, wherein the frame is provided with a hammer head magazine.
CN202010000275.0A 2020-01-02 2020-01-02 Impact testing equipment with heavy hammer Pending CN111089806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010000275.0A CN111089806A (en) 2020-01-02 2020-01-02 Impact testing equipment with heavy hammer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010000275.0A CN111089806A (en) 2020-01-02 2020-01-02 Impact testing equipment with heavy hammer

Publications (1)

Publication Number Publication Date
CN111089806A true CN111089806A (en) 2020-05-01

Family

ID=70399612

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010000275.0A Pending CN111089806A (en) 2020-01-02 2020-01-02 Impact testing equipment with heavy hammer

Country Status (1)

Country Link
CN (1) CN111089806A (en)

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