CN210465169U

CN210465169U - Drop hammer impact testing machine for building material detection

Info

Publication number: CN210465169U
Application number: CN201921076668.9U
Authority: CN
Inventors: 张万义
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-05-05
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a hammer impact tester that falls for building material detects, comprising a base plate, the upper end of bottom plate is provided with the model, the top of bottom plate is equipped with hammer body and elevator, be provided with the screw on the elevator, screw female connection has the screw rod, the one end of screw rod is provided with the annular piece, be provided with ring channel and shaft hole on the bottom plate, the ring channel rotates the joint with the annular piece, the shaft hole rotates with the screw rod and cup joints, the one end of elevator is provided with the sleeve pipe, be provided with spout and square guide hole on the sleeve pipe, sliding connection has L type piece in the spout, be provided with the spring between L type piece and the sleeve pipe, L type piece cup joints with the square guide hole slip, the one end of L type piece is provided with the snap ring, the snap. The clamping stability before the drop hammer body falls is realized, the clamping ring can be repeatedly used for clamping, the stability and the convenience for using the drop hammer body are improved, and the application range of height adjustment of the drop hammer body is widened.

Description

Drop hammer impact testing machine for building material detection

Technical Field

The utility model relates to a building material detects technical field, specifically is a drop hammer impact tester for building material detects.

Background

In order to detect the hardness of the building board, a drop hammer impact test is required, the drop hammer impact test machine is used for detecting the performance of the building board resisting impact under impact load, and the working principle of the drop hammer impact test machine is to lift the impact drop hammer to a certain height, then release the drop hammer to move freely in a falling body manner, and hit a sample piece of the building board to detect the impact resistance of the building board, however,

1. the existing drop hammer impact testing machine for detecting building materials is characterized in that a drop hammer is generally fixed by fastening a rope, the drop hammer is easy to shake and unstable, the rope is cut off by scissors when the drop hammer is required to fall, the drop hammer falls by gravity, and if the drop hammer is required to fall again, a new rope is required to be taken out again to fasten the drop hammer, so that the labor is wasted;

2. in addition, most of the drop hammer body height adjusting device is not provided with an annular groove rotating clamping structure and a screw rotating adjusting structure, so that the height of the drop hammer body can not be adjusted up and down according to the drop hammer falling impact height requirement, and the application range of the drop hammer body height adjustment is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hammer impact tester falls for building material detects to solve the stability and the convenience that the hammer body used that fall that prior art exists and the narrower problem of application scope of lower, the hammer body altitude mixture control that falls.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drop hammer impact tester for building material detects, includes the bottom plate, the upper end of bottom plate is provided with the model, the top of bottom plate is equipped with drop hammer body and elevator, be provided with the screw on the elevator, screw female connection has the screw rod, the one end of screw rod is provided with the annular piece, be provided with ring channel and shaft hole on the bottom plate, the ring channel rotates the joint with the annular piece, and the shaft hole rotates with the screw rod and cup joints, the one end of elevator is provided with the sleeve pipe, be provided with spout and square guide hole on the sleeve pipe, sliding connection has L type piece in the spout, be provided with the spring between L type piece and the sleeve pipe, L type piece slides with the square guide hole and cup joints, the one end of L type piece is provided with the snap ring, and the snap ring cup.

Preferably, the L-shaped block is provided with a locking groove, the sleeve is provided with a through hole, and the locking pin penetrates through the through hole and is connected with the locking groove in an inserting mode.

Preferably, one end of the screw rod is provided with a handle.

Preferably, the annular grooves and the snap rings are at least two in vertical direction and are arranged in bilateral symmetry by taking the vertical central axis of the bottom plate as a center.

Preferably, the snap ring has a half-arc-shaped cross section in plan view.

Preferably, one end of the clamping ring, which is close to the drop hammer body, is provided with a wear pad.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the clamping stability of the drop hammer body before falling is realized and the clamping of the clamping ring can be repeatedly used through the elastic clamping ring and locking pin clamping structure, so that the stability and convenience of the drop hammer body are effectively improved;

2. the clamping connection is rotated through the annular groove, the screw rod is rotated to adjust the structure, the height of the drop hammer body can be adjusted up and down according to the drop hammer falling impact height requirement, and the application range of the height adjustment of the drop hammer body is effectively enlarged.

Drawings

FIG. 1 is a sectional view of the whole structure of the present invention;

fig. 2 is a top view of the snap ring clamp of the present invention.

In the figure: the device comprises a base plate 1, a sample plate 2, a drop hammer body 3, an annular groove 4, an annular block 41, an axial hole 42, a screw rod 5, a lifting block 6, a screw hole 61, a handle 62, a sleeve 7, a sliding groove 71, an L-shaped block 72, a spring 73, a square guide hole 74, a locking groove 8, a through hole 9, a locking pin 10, a clamping ring 11 and a wear-resistant pad 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a drop hammer impact testing machine for building material detection comprises a base plate 1, wherein the base plate 1 is a cold-rolled steel plate and high in hardness, a sample plate 2 is arranged at the upper end of the base plate 1, the sample plate 2 is a building plate sample plate for a drop hammer impact test for building material detection, the sample plate 2 is placed on the base plate 1 and pressed through a pressing plate, a screw hole is preset in the base plate 1, then a bolt is inserted into a preset through hole of the pressing plate and is connected with the sample plate 2 through screw hole threads and tightly pressed against the sample plate 2, a drop hammer body 3 and a lifting block 6 are arranged above the base plate 1, the drop hammer body 3 is a drop hammer commonly used in the drop hammer impact test, a screw hole 61 is arranged on the lifting block 6, a screw rod 5 is connected with the screw hole 61 through internal threads, an annular block 41 is welded at the lower end of the screw rod 5, an annular groove 4 and a shaft, the ring block 41 and the screw rod 5 are prevented from falling off from the annular groove 4 while the rotation of the ring block 41 and the screw rod 5 is realized, the shaft hole 42 is rotatably sleeved with the screw rod 5, the sleeve 7 is welded at the right end of the lifting block 6, the sleeve 7 is provided with the sliding groove 71 and the square guide hole 74, the sliding groove 71 is slidably connected with the L-shaped block 72, the spring 73 is arranged between the L-shaped block 72 and the sleeve 7, the L-shaped block 72 is slidably sleeved with the square guide hole 74, the square guide hole 74 and the L-shaped block 72 are in sliding fit, the rotation of the L-shaped block 72 during the left-right sliding can be avoided, the rotation of the snap ring 11 is avoided, the snap ring 11 is welded at the right end of the L-shaped block 72, the lifting block 6, the screw rod 5, the sleeve 7, the L-shaped block 72 and the snap ring 11 are all made of No. 45 steel, the processing is easy, the strength is good, the drop hammer can be clamped and connected with the drop hammer body 3 just stably, at least two vertical grooves 4 and at least two vertical snap rings 11 are arranged in a bilateral symmetry mode by taking a vertical central axis of the bottom plate 1 as a center, the snap rings 11 are sleeved with the drop hammer body 3, the sleeve 7 is provided with the locking pins 10, the locking pins 10 are common bayonet locks and are plug-and-play type and made of stainless steel, the L-shaped blocks 72 are provided with locking grooves 8, the sleeve 7 is provided with through holes 9, the locking pins 10 penetrate through the through holes 9 and are inserted into the locking grooves 8, the locking pins 10 on two sides are moved upwards and quit the locking grooves 8 and the through holes 9, the springs 73 which are always in a stretching state are pulled back towards the outside to drive the L-shaped blocks 72 on two sides and the snap rings 11 to translate reversely and rapidly, at the time, the snap rings 11 are not clamped with the drop hammer body 3, and the drop hammer body 3, and realizing a drop hammer impact test.

Referring to fig. 1, a handle 62 is welded to the upper end of the screw 5, and the handle 62 made of steel can facilitate the rotation of the screw 5, thereby improving the height adjustment efficiency.

Referring to fig. 1 and 2, a wear pad 12 is disposed at an end of the snap ring 11 close to the drop hammer body 3, and the wear pad 12 is made of polyurethane rubber, so as to provide wear resistance to an inner wall surface of the snap ring 11.

The utility model discloses when concrete implementation: firstly, the L-shaped blocks 72 are translated in opposite directions, when the locking grooves 8 are aligned with the through holes 9, the springs 73 are stretched and deformed, then the locking pins 10 downwards penetrate through the through holes 9 and are inserted into the locking grooves 8, the L-shaped blocks 72 can be locked and positioned, at the moment, the clamping rings 11 on the two sides form a sleeving inner cavity, then the drop hammer body 3 is placed in the sleeving inner cavity, the drop hammer body 3 is stably clamped and does not shake, the clamping stability before the drop hammer body 3 falls is improved, then the handle 62 is rotated anticlockwise or clockwise as required to drive the screw 5 to rotate anticlockwise or clockwise, the lifting block 6 and the drop hammer body 3 are driven by the screw hole 61 to move up and down to adjust the height, the height of the drop hammer body 3 can be adjusted up and down according to the falling impact height requirement, the application range of the height adjustment of the drop hammer body 3 is improved, after the height adjustment, upwards remove the locking round pin 10 of both sides simultaneously and withdraw from locking groove 8 and through-hole 9, the spring 73 that is in tensile state this moment always draws back to the outside, drive the quick reverse translation of L type piece 72 and snap ring 11 of both sides, snap ring 11 no longer is to the 3 joints of hammer body that falls this moment, through gravity, the hammer body that falls 3 whereabouts and strikes the model 2 on the bottom plate 1, realize the hammer impact test that falls, the experiment finishes, can carry out the 11 stable joints of snap ring once more with the hammer body that falls 3, can convenient use repeatedly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drop hammer impact tester for building material detects, includes bottom plate (1), its characterized in that: the upper end of bottom plate (1) is provided with model (2), the top of bottom plate (1) is equipped with drop hammer body (3) and elevator (6), be provided with screw (61) on elevator (6), screw (61) female connection has screw rod (5), the one end of screw rod (5) is provided with annular block (41), be provided with ring channel (4) and shaft hole (42) on bottom plate (1), ring channel (4) and annular block (41) rotate the joint, shaft hole (42) and screw rod (5) rotate and cup joint, the one end of elevator (6) is provided with sleeve pipe (7), be provided with spout (71) and square guide hole (74) on sleeve pipe (7), sliding connection has L type piece (72) in spout (71), be provided with spring (73) between L type piece (72) and sleeve pipe (7), L type piece (72) and square guide hole (74) sliding cup joint, one end of the L-shaped block (72) is provided with a clamping ring (11), the clamping ring (11) is sleeved with the drop hammer body (3), and a locking pin (10) is arranged on the sleeve (7).

2. The drop hammer impact tester for building material detection according to claim 1, wherein: the L-shaped block (72) is provided with a locking groove (8), the sleeve (7) is provided with a through hole (9), and the locking pin (10) penetrates through the through hole (9) and is connected with the locking groove (8) in an inserting mode.

3. The drop hammer impact tester for building material detection according to claim 1, wherein: one end of the screw rod (5) is provided with a handle (62).

4. The drop hammer impact tester for building material detection according to claim 1, wherein: the vertical direction of ring channel (4), snap ring (11) is two at least and uses the vertical axis of bottom plate (1) as the bilateral symmetry setting of center.

5. The drop hammer impact tester for building material detection according to claim 1, wherein: the overlook cross section of snap ring (11) is half arc shape structure.

6. The drop hammer impact tester for building material detection according to claim 1, wherein: and one end of the snap ring (11) close to the drop hammer body (3) is provided with a wear-resistant pad (12).