CN212110984U

CN212110984U - Drop hammer impact testing machine

Info

Publication number: CN212110984U
Application number: CN202020898656.0U
Authority: CN
Inventors: 刘祖荣; 宋祝超; 于雪芹; 王登毅; 鲁林林
Original assignee: Yantai Construction Engineering Testing Service Center
Current assignee: Yantai Construction Engineering Testing Service Center
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-08
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to an impact tester technical field discloses a hammer impact tester falls, including base and support, the support is vertical to have set firmly the registration arm, support fixed connection is in the upper surface of base, the base rotates and is connected with hand storage wheel, the support is equipped with guide pulley and stay cord, the top of support is located to the guide pulley, stay cord one end links to each other with hand storage wheel, guide pulley fixedly connected with electro-magnet is walked around to the other end, the electro-magnet bottom adsorbs has the magnetic hammer that falls, the base is equipped with the dipperstick, electro-magnet sliding connection is in the registration arm, the electro-magnet is connected with the pull rod, the one end that the electro-magnet. Through rocking hand storage wheel, observe the scale of dipperstick, confirm the height that the weight that falls risees, stop to rock hand storage wheel and fix the weight that falls at fixed height, the electro-magnet outage makes the weight that falls fall to can survey the impact effect of the weight that falls from different heights to the test material.

Description

Drop hammer impact testing machine

Technical Field

The utility model belongs to the technical field of impact tester's technique and specifically relates to a drop hammer impact tester is related to.

Background

The impact tester is a material tester that applies an impact test force to a sample to perform an impact test. The impact testing machine is divided into a manual pendulum impact testing machine, a semi-automatic impact testing machine, a digital display impact testing machine, a microcomputer control impact testing machine, a drop hammer impact testing machine, a nonmetal impact testing machine and the like. Can realize the test of two kinds of forms of simple beam and cantilever beam through changing pendulum and sample base.

The utility model discloses a current technique can refer to the utility model patent that the grant bulletin number is CN207163808U, this utility model discloses a hammer impact tester falls, the on-line screen storage device comprises a base, the axle center department fixedly connected with support column at base top, the equal fixedly connected with support in top of support column both sides, the inner chamber of support has the pulley through pivot swing joint, the right side fixedly connected with motor at base top, the pivot fixedly connected with take-up reel of motor, the surface winding of take-up reel has the cable wire, the one end that the take-up reel was kept away from to the cable wire passes the pulley and extends to the bottom of pulley, the one end fixedly connected with fixed block of take-up reel is kept away from. The utility model discloses a cooperation through base, support column pulley, motor, take-up reel, cable wire, fixed block, couple, draw-in groove, through-hole, electric telescopic handle, hoop and tup is used, can be automatic promote the tup to the regulation height, practiced thrift a large amount of working time, reduced labour cost, moreover great improvement work efficiency.

The above prior art solutions have the following drawbacks: the height of the drop hammer of the impact testing machine can only be increased to a specified height, but the rising height of the drop hammer can not be selected independently, so that the impact test of the drop hammers with different heights on the test material is completed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hammer impact tester falls, it has the different hammer height that falls of autonomic selection, accomplishes the not hammer impact test to the test material that falls of co-altitude.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a hammer impact tester falls, includes base and support, support and base fixed connection, the support is vertical to have set firmly the registration arm, support fixed connection is in the upper surface of base, the base rotates and is connected with hand storage wheel, the support is equipped with guide pulley and stay cord, the top of support is located to the guide pulley, stay cord one end links to each other with hand storage wheel, and guide pulley fixedly connected with electro-magnet is walked around to the other end, and the electro-magnet bottom adsorbs to have the magnetic hammer that falls, the base is equipped with the dipperstick, electro-magnet sliding connection is in the registration arm, the electro-magnet is connected with the pull rod, the one end that the electro-magnet was kept away from.

Through adopting above-mentioned technical scheme, circular telegram with the electro-magnet makes the electro-magnet have magnetism, places the electro-magnet below with having magnetic drop hammer, makes the electro-magnet adsorb the drop hammer, shakes hand storage wheel pulling stay cord, and the stay cord moves around the guide pulley, twines the stay cord to hand storage wheel on, and the electro-magnet adsorbs the drop hammer and rises gradually along with the winding of stay cord. Because the electro-magnet is connected with the pull rod, the one end that the electro-magnet was kept away from to the pull rod links to each other with the tip of the dipperstick that the base set up, so along with the rising dipperstick of electro-magnet by tensile gradually, because there is the scale on the dipperstick, the operator can confirm the height that the electro-magnet rises through the scale of observing the dipperstick, and then confirms the height that the drop hammer rises. When the height of the lifting requirement is required, the hand-operated containing wheel is stopped to swing, the electromagnet is powered off, the falling hammer falls from the high position to perform impact test on the material placed on the base, and therefore the impact of the falling hammer falling from different heights on the material can be measured. Because the electromagnet is connected in the positioning pipe in a sliding manner, the falling hammer cannot deviate in the falling process, and the falling position of the falling hammer is more accurate.

The present invention may be further configured in a preferred embodiment as: the base is provided with a first cavity, the measuring scale comprises a shell and a tape, the shell is in a round cake shape and is vertically and fixedly arranged in the first cavity, the shell is provided with a second cavity, the tape is wound and stored in the second cavity, and the end part of the tape extends out of the second cavity and is connected with the pull rod.

Through adopting above-mentioned technical scheme, through the cavity that the base was seted up one, conveniently set up the dipperstick to cavity one, can make full use of the space of base. Because the second cavity has been seted up to the shell, the tape can be accomodate in second cavity, conveniently accomodate the tape, makes orderly the accomodating of tape, and the tip of tape stretches out second cavity and is connected with the pull rod, conveniently draws the tape.

The present invention may be further configured in a preferred embodiment as: the center of the shell is provided with an opening, a containing rod is connected in the opening in a rotating mode, the containing rod is fixedly connected with one end, located in the cavity II, of the tape, and the end portion of the containing rod extends out of the shell to be connected with a containing motor.

Through adopting above-mentioned technical scheme, through the setting of accomodating the pole, accomodate the pole and can rotate in the shell, and with the one end fixed connection of tape, make the tape can be along with accomodate the rotation of pole and twine on accomodating the pole, the work of receiving and releasing of tape of being convenient for. Because the end of the containing rod stretches out of the shell and is connected with the containing motor, the containing motor is started, the containing rod is driven to rotate, and the stretched tape is wound on the containing rod again. The automatic storage function of the tape measure is realized, and manpower is saved.

The present invention may be further configured in a preferred embodiment as: the base is provided with a cavity IV, a fixed table is fixedly arranged in the cavity IV, the upper surface of the base is provided with a positioning hole, the positioning hole is communicated with the cavity IV, and the positioning pipe is inserted into the positioning hole, extends into the cavity IV and is positioned right above the fixed table.

Through adopting above-mentioned technical scheme, through seting up cavity four in the base, be fixed with the fixed station in the cavity four, the operator places the test material on the fixed station, can prevent to splash everywhere because of the test material when assaulting to the test material, and cause danger to the human body. Because the locating tube is inserted and is located the locating hole that the base upper surface was seted up, and the locating tube is located the fixed station directly over, can make the in-process that the drop hammer fell, accurate pound on experimental material, reduce because of the error that the skew caused experimental data of drop hammer.

The present invention may be further configured in a preferred embodiment as: the positioning tube is provided with a pull rod groove extending to the upper surface of the base from the top end, the pull rod groove is communicated with the cavity of the positioning tube, the pull rod is connected in the pull rod groove in a sliding mode, and one end, far away from the electromagnet, of the pull rod extends out of the pull rod groove to be connected with the tape.

By adopting the technical scheme, when an operator pulls the electromagnet upwards, the pull rod slides upwards in the pull rod groove along with the rising of the electromagnet; when the operator stops operating, the leather ruler pulls the pull rod to slide downwards in the pull rod groove under the action of the storage motor, and the tape can not rotate around the electromagnet in the pulling process through the arrangement of the pull rod groove, so that the connection is more stable, and the tape can be conveniently observed to read.

The present invention may be further configured in a preferred embodiment as: the end part of the positioning tube close to the upper surface of the base is hinged with a valve.

Through adopting above-mentioned technical scheme, because the registration arm articulates there is the valve, the operator can be through opening the valve conveniently with the drop hammer place the registration arm in, convenient operation.

The present invention may be further configured in a preferred embodiment as: the base has been seted up and has been accomodate the cavity, hand storage wheel includes crank, storage wheel and support frame, the support frame is "font and is fixed in and accomodates the intracavity, storage wheel is" worker "font and rotates to be connected on the support frame, the rotation hole has been seted up at the support frame both ends, the crank is inserted and is located in the through-hole and take in wheel fixed connection, the crank is inserted and is located and rotate the hole in and rotate the hole and be connected.

Through adopting above-mentioned technical scheme, because the crank is inserted and is located in the through-hole and accomodate wheel fixed connection, and insert and locate to rotate in the hole and be connected with the support frame rotation, so can be with the crank with accomodate wheel and the mutual split of support frame, make things convenient for hand dismantlement and the installation of accomodating the wheel. The storage wheel is arranged to be I-shaped, and the pull rope is wound on the middle concave part of the storage wheel, so that the pull rope is convenient to store.

The present invention may be further configured in a preferred embodiment as: the hand-operated storage wheel is provided with a limiting rod, the support frame is provided with a threaded hole, the threaded hole is communicated with the rotating hole vertically, the limiting rod is provided with threads and is in threaded connection with the threaded hole, and the limiting rod penetrates through the threaded hole and is in butt joint with the crank.

Through adopting above-mentioned technical scheme, the operator stops to wave hand storage wheel after confirming the height that the drop hammer rises, because gag lever post and screw hole threaded connection, to the rotatory gag lever post in one side that is close to the crank, make the one end and the crank looks butt of gag lever post, can fix a fixed position with the crank, prevent that the crank from rotating automatically.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the measuring scale, the rising height of the drop hammer can be determined according to the scales on the measuring tape, so that the drop hammer is accurately positioned, and the impact test of the drop hammers with different heights on a test material can be completed;

2. through the setting of valve, can be more convenient place the locating lever with the hammer that falls, conveniently change the hammer that falls of different masses simultaneously, it is more convenient to operate.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural diagram of the embodiment;

FIG. 3 is a schematic structural view of the hand-operated take-up wheel in the embodiment;

FIG. 4 is an enlarged schematic view of part A in example A.

In the figure, 1, a base; 11. a first cavity; 12. measuring a scale; 121. a housing; 1211. a second cavity; 1212. a storage rod; 122. measuring tape; 13. a third cavity; 131. a storage motor; 14. a cavity IV; 141. a fixed table; 2. a support; 22. an electromagnet; 221. a pull rod; 23. dropping a hammer; 24. a positioning tube; 242. a pull rod groove; 243. a shutter; 244. a glass window; 3. a hand-operated receiving wheel; 31. a crank; 32. a storage wheel; 33. a support frame; 34. a limiting rod; 331. rotating the hole; 4. a receiving cavity; 5. pulling a rope; 6. and (4) a guide wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

the utility model provides a drop hammer impact tester, as shown in figure 1, includes base 1 and support 2, and support 2 is "the font of falling", and support 2 is vertical to have set firmly registration arm 24, and 2 fixed connection of support are in the upper surface of base 1, and base 1 rotates to be connected with hand take in wheel 3. The top of the bracket 2 is provided with a guide wheel 6 and a pull rope 5, one end of the pull rope 5 is connected with the hand-operated storage wheel 3, and the other end of the pull rope bypasses the guide wheel 6 and is fixedly connected with an electromagnet 22. A fixed table 141 is arranged right below the positioning tube 24, a magnetic drop hammer 23 is adsorbed at the bottom end of the electromagnet 22, and the electromagnet 22 is connected in the positioning tube 24 in a sliding manner. The test material is placed on the fixed table 141, the pull rope 5 is pulled by rotating the hand-operated containing wheel 3 to lift the electromagnet 22, so that the drop hammer 23 is pulled up, the fixed table 141 is positioned right below the drop hammer 23, the drop hammer 23 is loosened, the drop hammer 23 is made to fall on the test material, and the impact data of the drop hammer 23 on the test material is collected.

As shown in fig. 1 and fig. 2, a valve 243 is disposed on the positioning tube 24 near the upper surface of the base 1 and away from the cavity, and the valve 243 is hinged to the positioning tube 24. The operator can put the drop hammer 23 into the positioning tube 24 from the valve 243 by opening the valve 243, so that the drop hammer 23 can be conveniently taken and placed.

As shown in fig. 1, support 2 cavity, registration arm 24 are vertical to be set firmly in support 2's central authorities, registration arm 24 and support 2 intercommunication, and guide pulley 6 includes mounting bracket and runner, and the runner is "worker" font, and the inside on support 2 top is fixed to the mounting bracket, and the runner rotates to be connected on the mounting bracket, and stay cord 5 rotates with guide pulley 6 on guide pulley 6 to be connected. Set up dipperstick 12 on base 1, be connected with pull rod 221 on the electro-magnet 22, the dipperstick 12 is connected to the one end that electro-magnet 22 was kept away from to pull rod 221, rotates the hand and accomodates wheel 3 and draw in stay cord 5, makes stay cord 5 rotate around guide pulley 6, and then control electro-magnet 22's rising to pulling dipperstick 12 conveniently observes the reading of dipperstick 12, confirms the height that electro-magnet 22 drove drop hammer 23 and risees.

As shown in fig. 1 and 3, the base 1 is provided with a storage cavity 4, the hand-operated storage wheel 3 comprises a crank 31, a storage wheel 32 and a support frame 33, the support frame 33 is shaped like a Chinese character 'gong', the storage wheel 32 is rotationally connected to the support frame 33 in an I-shaped manner, the center of the storage wheel 32 is provided with a through hole penetrating through two end faces of the storage wheel 32, the middle of the through hole is circular, two symmetrical sides are connected with strip-shaped through holes, the crank 31 is inserted into the through hole, and strip-shaped fixing blocks are arranged on two corresponding sides. The bottom end of the support frame 33 is fixed at the bottom of the storage cavity 4, the two ends of the support frame 33 are provided with rotating holes 331, the crank 31 sequentially penetrates through one of the rotating holes 331, the through hole and the other rotating hole 331, the crank 31 is fixedly connected with the storage wheel 32 and is rotatably connected with the support frame 33, the pull rope 5 is fixed on the storage wheel 32, the crank 31 is rotated to rotate the storage wheel 32, and the pull rope 5 is wound on the storage wheel 32 so as to raise the drop hammer 23.

As shown in fig. 3, the hand-operated storage wheel 3 is provided with a limiting rod 34, the support frame 33 is provided with a threaded hole, the threaded hole is vertically communicated with the rotation hole 331, the limiting rod 34 is provided with threads, one end of the limiting rod is fixedly provided with a rotating handle, the limiting rod 34 is in threaded connection with the threaded hole, and the limiting rod 34 penetrates through the threaded hole to be abutted to the crank 31. When the operator stops rotating the hand-operated storage wheel 3, the limiting rod 34 is screwed in the direction close to the crank 31 by rotating the rotating handle, so that the limiting rod 34 and the crank 31 are clamped with each other, and the hand-operated storage wheel 3 is prevented from rotating automatically.

As shown in fig. 1, a cavity four 14 is formed in the base 1, the fixing table 141 fixes the bottom of the cavity four 14, a positioning hole is formed in the upper surface of the base 1, the positioning hole is communicated with the cavity four 14, and the positioning tube 24 is inserted into the positioning hole, extends into the cavity four 14, and is located right above the fixing table 141. The test material is placed on the fixing table 141 and faces the positioning tube 24, the drop hammer 23 falls from the positioning tube 24 and strikes the test material, and therefore the situation that the test material is broken and splashed to a human body to cause danger in the test process is avoided.

As shown in fig. 4, a first cavity 11 is formed in the base 1, the measuring ruler 12 includes a casing 121 and a tape 122, the casing 121 is in a pie shape, the casing 121 is fixed in the first cavity 11, the casing 121 has a second cavity 1211, the tape 122 is wound in the second cavity 1211, and one end of the tape 122 extends out of the second cavity 1211 and is fixedly connected with the pull rod 221. When in use, one end of the tape 122 is stretched out of the cavity II 1211, so that the reading is convenient; and after the use, the tape 122 is stored in the second cavity 1211 again, so that the space of the base 1 is fully utilized, and the tape 122 is conveniently pulled out and stored.

As shown in fig. 1 and 4, a vertical pull rod groove 242 is formed in the positioning tube 24, the pull rod groove 242 extends from the top end of the positioning tube 24 to the upper surface of the base 1, a pull rod 221 is inserted into the pull rod groove 242, and the pull rod 221 can slide up and down in the pull rod groove 242. One end of the pull rod 221 extends into the positioning tube 24 to be connected with the electromagnet 22, the electromagnet 22 is provided with an opening, the first pull rod 221 is inserted into the electromagnet 22, and the other end of the first pull rod 221 is fixedly connected with the tape 122. When the operator operates, the hand-operated storage wheel 3 is shaken to wind the pull rope 5, so that the electromagnet 22 is pulled to move upwards, the pull rod 221 slides upwards in the pull rod groove 242, and the pull rod 221 can be limited by the pull rod groove 242 due to the fact that the pull rod 221 slides in the pull rod groove 242, and the situation that the tape 122 rotates around the electromagnet 22 in the pulling process to cause inconvenience in reading is avoided.

As shown in fig. 1 and 4, a hole is formed in the center of the housing 121, a receiving rod 1212 is inserted into the hole, the receiving rod 1212 extends into the second cavity 1211 through the hole, the receiving rod 1212 is rotatably connected to the hole, and a portion of the receiving rod 1212 located in the second cavity 1211 is fixedly connected to the tape 122. The tape 122 may be rolled up during rotation of the storage rod 1212. The other end of the accommodating rod 1212 extends out of the housing 121 to be connected with the accommodating motor 131, a third cavity 13 is formed in the base 1 right below the accommodating motor 131, and the accommodating motor 131 is fixed in the third cavity 13. When the storage motor 131 is turned off, the operator shakes the hand-operated storage wheel 3 to rotate, so that the tape 122 is pulled to drive the storage rod 1212 to rotate, and the output shaft of the storage motor 131 is pulled to rotate. Stopping pulling the tape 122, storing the motor 131 and starting, the output shaft of the storing motor 131 drives the storing rod 1212 to rotate reversely, so that the tape 122 is wound on the storing rod 1212 again, the tape 122 is stored in the original position, and the operator closes the storing motor 131 at the moment.

The implementation principle of the embodiment is as follows: open valve 243, put into drop hammer 23, adsorb drop hammer 23 through electro-magnet 22, through rocking hand take in wheel 3 pulling stay cord 5, stay cord 5 pulling electro-magnet 22, drive drop hammer 23 rebound, electro-magnet 22 pulling tape 122, the user observes the reading of tape 122, when confirming numerical value, stop pulling electro-magnet 22, screw up gag lever post 34 and take in the wheel 3 chucking with hand, place the fixed station 141 with the test material, cut off the power supply of electro-magnet 22 and separate with drop hammer 23, drop hammer 23 and drop along registration arm 24 and pound on the test material, after the operation is accomplished, accomodate motor 131 and start, pull back tape 122 initial position.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a drop hammer impact tester, includes base (1) and support (2), its characterized in that: support (2) are vertical to be set firmly registration arm (24), support (2) fixed connection is in the upper surface of base (1), base (1) rotates and is connected with hand storage wheel (3), support (2) are equipped with guide pulley (6) and stay cord (5), the top of support (2) is located in guide pulley (6), stay cord (5) one end links to each other with hand storage wheel (3), and guide pulley (6) fixedly connected with electro-magnet (22) is walked around to the other end, and electro-magnet (22) bottom adsorbs has magnetic drop hammer (23), base (1) is equipped with dipperstick (12), electro-magnet (22) sliding connection is in registration arm (24), electro-magnet (22) are connected with pull rod (221), the one end that electro-magnet (22) were kept away from in pull rod (221) links to each other with the tip of dipperstick (12).

2. The drop hammer impact tester according to claim 1, wherein: the measuring scale is characterized in that a first cavity (11) is formed in the base (1), the measuring scale (12) comprises a shell (121) and a tape (122), the shell (121) is in a cake shape and is vertically and fixedly arranged in the first cavity (11), a second cavity (1211) is formed in the shell (121), the tape (122) is wound and contained in the second cavity (1211), and the end portion of the tape (122) extends out of the second cavity (1211) to be connected with the pull rod (221).

3. The drop hammer impact tester according to claim 2, wherein: the center of the shell (121) is provided with an opening, a containing rod (1212) is connected in the opening in a rotating mode, the containing rod (1212) and the tape (122) are fixedly connected to one end of the cavity II (1211), and the end portion of the containing rod (1212) extends out of the shell (121) to be connected with a containing motor (131).

4. The drop hammer impact tester according to claim 1, wherein: the base (1) is provided with a cavity IV (14), a fixing table (141) is fixedly arranged in the cavity IV (14), the upper surface of the base (1) is provided with a positioning hole, the positioning hole is communicated with the cavity IV (14), and the positioning pipe (24) is inserted into the positioning hole, extends into the cavity IV (14), and is positioned right above the fixing table (141).

5. The drop hammer impact tester according to claim 3, wherein: the positioning pipe (24) is provided with a pull rod groove (242) extending from the top end to the upper surface of the base (1), the pull rod (221) groove is communicated with a cavity of the positioning pipe (24), the pull rod (221) is connected in the pull rod groove (242) in a sliding mode, and one end, far away from the electromagnet (22), of the pull rod (221) extends out of the pull rod groove (242) to be connected with the tape (122).

6. The drop hammer impact tester according to claim 5, wherein: the end part of the positioning tube (24) close to the upper surface of the base (1) is hinged with a valve (243).

7. The drop hammer impact tester according to claim 1, wherein: base (1) has been seted up and has been accomodate cavity (4), hand storage wheel (3) are including crank (31), storage wheel (32) and support frame (33), support frame (33) are "font and are fixed in storage cavity (4), storage wheel (32) are" worker "font and rotate and connect on the support frame, rotation hole (331) have been seted up at support frame (33) both ends, crank (31) insert locate in the through-hole with storage wheel (32) fixed connection, crank (31) insert locate in rotation hole (331) with support frame (33) rotate be connected.

8. The drop hammer impact tester according to claim 7, wherein: hand-cranking storage wheel (3) are equipped with gag lever post (34), threaded hole is seted up in support frame (33), the screw hole communicates with rotation hole (331) perpendicularly, gag lever post (34) are equipped with the screw thread, gag lever post (34) and screw hole threaded connection, gag lever post (34) pass screw hole and crank (31) looks butt.