CN210923352U

CN210923352U - Aggregate impact testing machine

Info

Publication number: CN210923352U
Application number: CN201921578451.8U
Authority: CN
Inventors: 陈勇; 王智; 刘宗裕; 金玉波
Original assignee: Mianyang Chuanjiao Construction Engineering Supervision Consulting Co ltd
Current assignee: Mianyang Chuanjiao Construction Engineering Supervision Consulting Co ltd
Priority date: 2019-09-21
Filing date: 2019-09-21
Publication date: 2020-07-03
Anticipated expiration: 2029-09-21

Abstract

The utility model relates to an impact testing machine gathers materials belongs to impact testing equipment technical field, including base and the stand of setting on the base, the base top is provided with the jump bit, is connected with the support frame on the jump bit, and sliding connection has the slider on the stand, and the slider slides along stand direction of height, is provided with the support bracket that is used for accepting the support frame on the slider, is provided with on the support bracket to be used for fixing the support frame to the mounting on the support bracket, is provided with the driving piece that is used for ordering about the slider removal on the stand. When the impact hammer needs to be lifted, the support frame is supported through the support bracket, the support frame is fixed to the support bracket by adjusting the fixing piece, the adjusting driving piece drives the sliding block to slide along the height direction of the stand column, the sliding block drives the support frame to move through the support bracket, the support frame drives the impact hammer to move to the required height in the direction far away from the base, the impact hammer can be automatically lifted at the moment, manual lifting is not needed, and manpower is saved.

Description

Aggregate impact testing machine

Technical Field

The utility model belongs to the technical field of the impact test equipment technique and specifically relates to an impact testing machine gathers materials is related to.

Background

The aggregate impact tester is used for measuring the impact resistance of the pavement coarse aggregate, and the impact value is an important index for judging the quality of the coarse aggregate.

In the prior art, the use method of the aggregate impact tester is as follows: the operator firstly places the testing machine on the ground of a test room, places a cast iron or a thick wood plate below the testing machine, then manually lifts the impact hammer to enable the hook of the impact hammer to be firmly connected with the upper hook, then pours the aggregate into an impact cup on a base of the testing machine, operates according to a test method, presses a release button, and then the upper hook and the hook of the impact hammer are unhooked, and the hammer automatically falls off. When not in use, the impact hammer is placed at the bottom of the instrument, so that accidents are prevented when the instrument is not in use.

However, in the above experiment process, since the impact hammer is required to impact the aggregate 15 in each experiment, each group of experiments needs at least 2 parallel experiments to ensure the accuracy of the experimental data. When a plurality of groups of tests are carried out, operators need to raise the impact hammer frequently and manually, and the labor intensity is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an impact tester gathers materials has the advantage of the lifting jump bit of being convenient for in order to use manpower sparingly.

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

the utility model provides an impact testing machine gathers materials, includes the base and sets up the stand on the base, and the base top is provided with the jump bit, is connected with the support frame on the jump bit, and sliding connection has the slider on the stand, and the slider slides along stand direction of height, is provided with the support bracket that is used for accepting the support frame on the slider, is provided with on the support bracket to be used for fixing the support frame to the mounting on the support bracket, is provided with the driving piece that is used for ordering about the slider removal on the stand.

Through adopting above-mentioned technical scheme, when needs lift up the jump bit, accept the support frame through holding the bracket to adjust the mounting and make the support frame fix to holding on the bracket, adjust the driving piece and order about the slider and slide along stand direction of height, the slider drives the support frame through holding the bracket and removes, and the support frame drives the jump bit and moves to required height towards the direction of keeping away from the base, alright automatic lifting jump bit this moment need not artifical lifting, uses manpower sparingly. When the impact hammer needs to be used, the fixing piece is adjusted again to enable the support frame to be separated from the support bracket, and the impact hammer drives the support frame to fall freely.

The utility model discloses further set up to: the support frame includes the backup pad with jump bit fixed connection and connects the branch in the backup pad, and branch is a plurality of, forms the spacing mouth that supplies the stand to pass through between the adjacent branch.

Through adopting above-mentioned technical scheme, form the spacing mouth that supplies the stand to pass through under the effect of a plurality of branches for the impact hammer steadily falls along stand direction of height smoothly at the in-process of free fall.

The utility model discloses further set up to: the support bracket is including fixed first bearing board and the second bearing board that sets up on the slider, the second bearing board is located first bearing board below, branch is located between first bearing board and the second bearing board, second bearing board sets up along stand direction of height symmetry, the second bearing board passes through the articulated shaft and articulates on the slider, articulated shaft perpendicular to stand direction of height sets up, the mounting is including setting up the iron plate at second bearing board tip, the iron plate is located the face towards first bearing board, be provided with on the first bearing board and be used for with the absorbent absorption piece of iron plate, first bearing board and second bearing board and branch outer wall laminating when iron plate and absorption piece adsorb.

Through adopting above-mentioned technical scheme, when needs are fixed the support frame to the support bracket on, adjust the second support board for branch is located between first support board and the second support board, and the regulation adsorbs the piece and makes the iron plate adsorb with adsorbing the piece, and first support board and second support board and the laminating of branch outer wall clip branch this moment prevent that branch from dropping downwards, thereby fix branch to the support bracket on, and then fix the support frame to the support bracket on, simple and practical.

The utility model discloses further set up to: the adsorption piece is an electromagnet, and a switch for controlling the electromagnet to be powered on or powered off is arranged on the upright post.

Through adopting above-mentioned technical scheme, when needs are fixed branch on the support bracket, open the switch, let the electro-magnet circular telegram, produce magnetic force for the electro-magnet adsorbs with the iron plate, thereby fixes first bearing board and second bearing board. The support rod is clamped at the moment, the support rod is prevented from falling downwards, and therefore the support rod is fixed to the support bracket, and the support frame is further fixed to the support bracket. When the supporting rod is separated from the supporting bracket, the switch is turned off, so that the electromagnet is powered off, the magnetic force disappears, the electromagnet does not adsorb the iron block, the second supporting plate hinged at the moment rotates under the self gravity, the second supporting plate is separated from the first supporting plate and does not clamp the supporting rod, and the supporting rod falls freely at the moment so as to drive the impact hammer to fall freely.

The utility model discloses further set up to: and the first bearing plate and the second bearing plate are both provided with bearing grooves for placing the support rods.

Through adopting above-mentioned technical scheme, place branch in the bearing groove, can prevent that the bearing frame from taking place the skew at first bearing board or second bearing board when driving branch removal to with the better clamp of branch between first bearing board and second bearing board.

The utility model discloses further set up to: offer the recess that is used for holding the iron plate on the second bearing board, the iron plate sets up on the recess diapire.

Through adopting above-mentioned technical scheme, after the electro-magnet outage, the second bearing board receives self gravity to rotate, and branch this moment drops downwards, touches the iron plate when setting up of recess can prevent that branch from dropping downwards to make branch pass through the smooth free fall of backup pad drive jump bit, guarantee the accuracy of experimental result.

The utility model discloses further set up to: the stand deviates from and is provided with the spout on the face of percussion hammer, and the driving piece is including setting up the screw rod in the spout, and slider threaded connection is provided with on the stand and is used for ordering about screw rod pivoted motor on the screw rod.

Through adopting above-mentioned technical scheme, starter motor drives the screw rod and rotates, and threaded connection's slider on the screw rod removes this moment to drive the support bracket and remove, and then drive the jump bit through the support frame and remove, alright automatic lifting jump bit this moment need not artifical lifting, uses manpower sparingly.

To sum up, the utility model discloses a beneficial technological effect does:

first bearing board and second bearing board pass through the effect of electro-magnet and iron plate and carry branch, adjust the driving piece and order about the slider and slide along stand direction of height, and the slider drives the support frame through the support bracket and removes, and the support frame drives the jump bit and removes to required height towards the direction of keeping away from the base, alright automatic lifting jump bit this moment need not artifical lifting, uses manpower sparingly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Reference numerals: 1. a base; 2. a column; 3. an impact hammer; 4. a support frame; 41. a support plate; 42. a strut; 5. a limiting port; 6. a first support plate; 7. a second support plate; 8. a slider; 9. an iron block; 10. an electromagnet; 11. a switch; 12. a bearing groove; 13. a groove; 14. a chute; 15. a screw; 16. an electric motor.

Detailed Description

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

The utility model discloses an impact tester gathers materials, combine figure 1 and figure 2, including base 1 and the stand 2 of setting on base 1, base 1 top is provided with jump bit 3, is connected with support frame 4 on the jump bit 3, support frame 4 include with 3 fixed connection's of jump bit backup pad 41 with connect the branch 42 in backup pad 41, branch 42 has four, form the spacing mouth 5 that supplies stand 2 to pass through between the adjacent branch 42, spacing mouthful 5 makes jump bit 3 follow the steady whereabouts of stand 2 direction of height smoothly at the in-process of free fall.

Referring to fig. 2 and 3, a sliding block 8 is slidably connected to the upright 2, the sliding block 8 slides along the height direction of the upright 2, a support bracket for supporting the support frame 4 is arranged on the sliding block 8, the support bracket comprises a first support plate 6 and a second support plate 7 fixedly arranged on the sliding block 8, the second support plate 7 is arranged below the first support plate 6, a support rod 42 is arranged between the first support plate 6 and the second support plate 7, the second support plate 7 is symmetrically arranged along the height direction of the upright 2, the second support plate 7 is hinged on the sliding block 8 through a hinge shaft, the hinge shaft is arranged perpendicular to the height direction of the upright 2, a support groove 12 for placing the support rod 42 is arranged on each of the first support plate 6 and the second support plate 7, an iron block 9 is arranged at the end of the second support plate 7, the iron block 9 is arranged on the surface facing the first support plate 6, an adsorption part for adsorbing the iron block 9 is arranged on the first support plate 6, when the iron block 9 is adsorbed by the adsorption piece, the first bearing plate 6 and the second bearing plate 7 are attached to the outer wall of the supporting rod 42.

Referring to fig. 2 and 3, a sliding groove 14 is provided on a surface of the upright 2 facing away from the impact hammer 3, a screw 15 is provided in the sliding groove 14, the slider 8 is connected to the screw 15 by a screw thread, and a motor 16 for driving the screw 15 to rotate is provided on the upright 2.

When the impact hammer 3 needs to be lifted, the second supporting plate 7 is adjusted, the supporting rod 42 is located in the supporting groove 12, the adsorption piece is adjusted to enable the iron block 9 to be adsorbed by the adsorption piece, at the moment, the first supporting plate 6 and the second supporting plate 7 are attached to the outer wall of the supporting rod 42, the supporting rod 42 is clamped, the supporting rod 42 is prevented from falling downwards, the supporting rod 42 is fixed to the supporting bracket, and then the supporting frame 4 is fixed to the supporting bracket. At this time, the operator starts the motor 16 to drive the screw rod 15 to rotate, and at this time, the sliding block 8 screwed on the screw rod 15 moves, so as to drive the supporting bracket to move, and further drive the impact hammer 3 to move through the supporting frame 4.

With reference to fig. 2 and 3, in order to facilitate the operator to adjust the adsorption iron block 9 of the adsorption piece, the adsorption piece is provided with an electromagnet 10, and the upright 2 is provided with a switch 11 for controlling the electromagnet 10 to be powered on or off. The switch 11 is turned on, the electromagnet 10 is electrified to generate magnetic force, and the electromagnet 10 and the iron block 9 can be adsorbed. The switch 11 is turned off, so that the electromagnet 10 is powered off, and the magnetic force disappears, so that the electromagnet 10 does not adsorb the iron block 9, and the operation is simple and rapid.

After electro-magnet 10 outage, second bearing board 7 receives self gravity to rotate, and branch 42 drops downwards this moment, for can preventing to touch iron plate 9 when branch 42 drops downwards for branch 42 drives the smooth free fall of jump bit 3 through backup pad 41, offers the recess 13 that is used for holding iron plate 9 on second bearing board 7, and iron plate 9 sets up on recess 13 diapire.

The implementation principle of the embodiment is as follows:

when the impact hammer 3 needs to be lifted, the second supporting plate 7 is adjusted to enable the supporting rod 42 to be located in the supporting groove 12, the switch 11 is turned on, the electromagnet 10 is powered on, magnetic force is generated, and the electromagnet 10 is enabled to be adsorbed to the iron block 9. At this time, the first support plate 6 and the second support plate 7 are attached to the outer wall of the support rod 42, and the support rod 42 is clamped to prevent the support rod 42 from falling downward, so that the support rod 42 is fixed to the support bracket, and the support frame 4 is fixed to the support bracket. At this time, the operator starts the motor 16 to drive the screw rod 15 to rotate, and at this time, the sliding block 8 screwed on the screw rod 15 moves, so as to drive the supporting bracket to move, and further drive the impact hammer 3 to move through the supporting frame 4.

When the supporting rod 42 is required to be separated from the supporting bracket, the switch 11 is turned off, so that the electromagnet 10 is powered off, the magnetic force disappears, the electromagnet 10 does not adsorb the iron block 9, the second supporting plate 7 hinged at the moment rotates under the self gravity, the second supporting plate 7 is separated from the first supporting plate 6, the supporting rod 42 is not clamped, and the supporting rod 42 falls freely at the moment, so that the impact hammer 3 is driven to fall freely.

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 an impact tester gathers materials, includes base (1) and stand (2) of setting on base (1), base (1) top is provided with jump bit (3), its characterized in that: be connected with support frame (4) on jump bit (3), sliding connection has slider (8) on stand (2), slider (8) slide along stand (2) direction of height, be provided with the support bracket that holds that is used for accepting support frame (4) on slider (8), be provided with on the support bracket and be used for fixing support frame (4) to the mounting on holding the bracket, be provided with the driving piece that is used for ordering about slider (8) removal on stand (2).

2. An aggregate impact tester according to claim 1, wherein: support frame (4) include with jump bit (3) fixed connection's backup pad (41) and connect branch (42) on backup pad (41), branch (42) are a plurality of, and are adjacent form spacing mouth (5) that supply stand (2) to pass through between branch (42).

3. An aggregate impact tester according to claim 2, wherein: the supporting bracket comprises a first supporting plate (6) and a second supporting plate (7) which are fixedly arranged on the sliding block (8), the second bearing plate (7) is positioned below the first bearing plate (6), the support rod (42) is positioned between the first bearing plate (6) and the second bearing plate (7), the second bearing plates (7) are symmetrically arranged along the height direction of the upright post (2), the second bearing plates (7) are hinged on the sliding block (8) through hinge shafts, the articulated shaft is arranged perpendicular to the height direction of the upright post (2), the fixing piece comprises an iron block (9) arranged at the end part of the second bearing plate (7), the iron block (9) is positioned on the surface facing the first bearing plate (6), an adsorption piece used for adsorbing the iron block (9) is arranged on the first bearing plate (6), when the iron block (9) is adsorbed by the adsorption piece, the first bearing plate (6) and the second bearing plate (7) are attached to the outer wall of the support rod (42).

4. An aggregate impact tester according to claim 3, wherein: the adsorption piece is an electromagnet (10), and a switch (11) for controlling the electromagnet (10) to be powered on or off is arranged on the upright post (2).

5. An aggregate impact tester according to claim 4, wherein: and the first bearing plate (6) and the second bearing plate (7) are both provided with bearing grooves (12) for placing the supporting rods (42).

6. An aggregate impact tester according to claim 5, wherein: offer recess (13) that are used for holding iron plate (9) on second bearing board (7), iron plate (9) set up on recess (13) diapire.

7. An aggregate impact tester according to claim 6, wherein: the upright post (2) is provided with a sliding groove (14) on the surface deviating from the impact hammer (3), the driving piece comprises a screw rod (15) arranged in the sliding groove (14), the sliding block (8) is in threaded connection with the screw rod (15), and the upright post (2) is provided with a motor (16) used for driving the screw rod (15) to rotate.