CN210465109U

CN210465109U - Concrete impact resistance testing device

Info

Publication number: CN210465109U
Application number: CN201921389308.4U
Authority: CN
Inventors: 刘小旭
Original assignee: Shanghai Puying Concrete Co Ltd
Current assignee: Shanghai Puying Concrete Co Ltd
Priority date: 2019-08-24
Filing date: 2019-08-24
Publication date: 2020-05-05
Anticipated expiration: 2029-08-24

Abstract

The utility model discloses a concrete shock resistance testing arrangement, the on-line screen storage device comprises a base, the base up end is provided with the protection subassembly, the protection subassembly includes inside cavity and upper and lower open-ended dust cover, the dust cover passes through the mounting and is connected with the base up end, the mounting includes two fixed strips of being connected with the both sides of base up end respectively, the fixed strip up end is provided with the fixed slot that supplies the dust cover card to go into, two along self length direction the equal threaded connection in one side that the fixed strip was carried on the back mutually has fixing bolt, fixing bolt's one end is stretched into in the fixed slot and is rotated and be connected with the fixed plate that is used for the tight dust cover lateral wall in. Put into the fixed slot on the fixed strip respectively with the dust cover both sides in, the fixing bolt of screwing for the lateral wall of the tight dust cover in fixed plate top, thereby fix the dust cover on the base, the piece departure injures people when preventing the test block breakage, improves operating personnel's factor of safety.

Description

Concrete impact resistance testing device

Technical Field

The utility model relates to a test equipment's technical field, in particular to concrete shock resistance testing arrangement.

Background

The concrete impact resistance is an important index for measuring the mechanical property of the concrete, reflects the performance characteristics of the internal structure of the concrete, and is an important performance index in engineering design and engineering construction. Generally, people test the impact resistance of the concrete test block through a concrete impact resistance testing device.

Chinese patent with publication number CN2896271Y discloses a concrete impact resistance tester, which comprises a test piece base, a stand column, a drop hammer base and a drop hammer, and is characterized in that the stand column is installed on the test piece base, the drop hammer base is movably installed on the stand column, the drop hammer base is provided with a drop hammer through hole, the drop hammer is movably installed on the drop hammer base through a clamping and loosening device and just above the drop hammer through hole, the tester fills up the domestic blank, and has the advantages of simple structure and convenient operation.

However, the concrete impact resistance tester has the following defects: when this tester tests the test piece, the test block takes place easily when receiving the impact and bursts to cause the pollution to test environment, the easy fish tail tester of piece that flies out simultaneously, consequently remain to be improved.

SUMMERY OF THE UTILITY MODEL

To the technical defect, the utility model aims at providing a concrete shock resistance testing arrangement can prevent the piece departure that produces when the test block is broken, fish tail operating personnel.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a concrete shock resistance testing arrangement, includes the base, the base up end is provided with protection component, protection component includes inside cavity and is the open-ended dust cover from top to bottom, the dust cover passes through the mounting and is connected with the base up end, the mounting includes two fixed strips of being connected with the both sides of base up end respectively, the fixed strip up end is provided with the fixed slot that supplies the dust cover card to go into along self length direction, two the equal threaded connection in one side that the fixed strip was carried on the back mutually has fixing bolt, fixing bolt's one end is stretched into in the fixed slot and is rotated and be connected with the fixed plate that is used for the tight dust cover lateral wall in top.

Through adopting above-mentioned technical scheme, put into the fixed slot on the fixed strip respectively with the dust cover both sides in, the fixing bolt screws for the fixed plate pushes up the lateral wall of dust cover, thereby fixes the dust cover on the base, and the piece departure injures people when preventing the test block breakage improves operating personnel's factor of safety.

The utility model discloses further set up to: one side that the fixed plate hugs closely with the dust cover is connected with spacing along self length direction, the dust cover lateral wall is provided with the constant head tank that supplies spacing card to go into.

Through adopting above-mentioned technical scheme, when the tight dust cover in fixed plate top, spacing strip can block into in the constant head tank on the dust cover, further prevents that the dust cover from breaking away from the fixed slot, improves the stability of being connected of dust cover and base.

The utility model discloses further set up to: and a fastening spring is sleeved between the fixing bolt and the side wall of the fixing groove.

Through adopting above-mentioned technical scheme, fastening spring can give a tight power in top of fixing bolt to make fixing bolt's external screw thread top internal thread on the fixed strip, make the frictional force increase between them, prevent that fixing bolt is not hard up.

The utility model discloses further set up to: the dust cover includes that two are the connecting plate of L shape, two the connecting plate is first connecting plate and second connecting plate in proper order, the one end of first connecting plate and second connecting plate is articulated each other, the other end passes through locating part interconnect.

Through adopting above-mentioned technical scheme, after the expansion end of first connecting plate and second connecting plate parts, can be directly in base department and testing arrangement separation, labour saving and time saving.

The utility model discloses further set up to: the locating part includes the spacing arm that is T shape articulated with second connecting plate expansion end, the expansion end outer wall of first connecting plate is connected with the stopper, set up the spacing groove that supplies spacing arm card to go into on the stopper.

Through adopting above-mentioned technical scheme, go into the spacing inslot on the stopper with spacing arm card to make the expansion end of first connecting plate and second connecting plate link to each other.

The utility model discloses further set up to: the limiting block is hinged to one end of the limiting groove to form a positioning plate used for sealing the limiting groove, and the movable end of the positioning plate is connected with the limiting block through a positioning bolt.

Through adopting above-mentioned technical scheme, spacing arm card is gone into the spacing inslot back, closes the locating plate lid at spacing groove opening part to the positioning bolt is screwed, thereby fixes the locating plate on the stopper, prevents that spacing arm from breaking away from the spacing groove.

The utility model discloses further set up to: the lateral wall all is provided with the viewing aperture around the dust cover, all install the transparent plate in the viewing aperture.

Through adopting above-mentioned technical scheme, operating personnel can be through the condition of observing the test block of the transparent plate direct observation in the viewing aperture, avoid the unexpected condition to take place.

The utility model discloses further set up to: transparent plate one end and the side wall of viewing aperture are articulated, the other end is connected with the fixed arm, the dust cover lateral wall is provided with the spread groove that supplies the fixed arm card to go into, the two inner walls in the opposite directions of spread groove all are provided with the fixed fixture block of being made by stereoplasm rubber.

By adopting the technical scheme, when the fixed arm is clamped into the connecting groove, the fixed fixture block is extruded to deform, so that the fixed arm can be continuously clamped into the connecting groove; after the fixed arm is completely clamped into the connecting groove, the fixed fixture block is restored and clings to the upper end surface of the fixed arm, so that the fixed arm is limited in the connecting groove.

To sum up, the utility model discloses following beneficial effect has:

1. the dustproof assembly can prevent fragments from flying out when the test block is broken, so that an operator is prevented from being scratched;

2. the dust cover comprises a first connecting plate and a second connecting plate, so that the dust cover can be conveniently and directly detached from the base, and time and labor are saved;

3. the operator can directly observe the test condition of the test block through the observation port.

Drawings

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

FIG. 2 is an exploded view of the embodiment;

FIG. 3 is an enlarged schematic view of region A in FIG. 2;

fig. 4 is an enlarged schematic view of a region B in fig. 2.

Description of reference numerals: 1. a base; 2. a guard assembly; 21. a dust cover; 211. positioning a groove; 212. a first connecting plate; 213. a second connecting plate; 214. a viewing port; 215. connecting grooves; 22. a fixing member; 221. a fixing strip; 2211. fixing grooves; 222. fixing the bolt; 223. a fixing plate; 2231. a limiting strip; 224. a fastening spring; 3. a limiting member; 31. a limiting arm; 32. a limiting block; 321. a limiting groove; 33. positioning a plate; 34. positioning the bolt; 4. a transparent plate; 41. a fixed arm; 5. and fixing the clamping block.

Detailed Description

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

The utility model provides a concrete shock resistance testing arrangement, as shown in figure 1, includes base 1, and base 1 up end is provided with protection component 2, and protection component 2 can prevent that piece departure, fish tail operating personnel when the test block is broken.

As shown in fig. 2, the protection assembly 2 includes a rectangular dust cover 21 which is hollow inside and is open at the top and bottom, the dust cover 21 is connected with the upper end face of the base 1 through a fixing member 22, the fixing member 22 includes two fixing strips 221 with rectangular cross sections, the fixing strips 221 are fixedly connected with the two sides of the upper end face of the base 1 along the length direction of the base 1, and fixing grooves 2211 for the dust cover 21 to be clamped in are formed in the upper end face of the fixing strips 221 along the length direction. Two equal threaded connection in one side that the fixed strip 221 carried on the back mutually has fixing bolt 222, and fixing bolt 222's one end stretches into in the fixed slot 2211 and rotates and is connected with the fixed plate 223 that is used for the tight dust cover 21 lateral wall in top, and the upper end of the one side that fixed plate 223 and dust cover 21 hug closely has spacing 2231 along self length direction integrated into one piece, and the constant head tank 211 that supplies spacing 2231 card to go into is seted up along the horizontal direction to dust cover 21 lateral wall. Put into the fixed slot 2211 on the fixed strip 221 respectively with dust cover 21 both sides in, the fixing bolt 222 of screwing for the lateral wall of the tight dust cover 21 in fixed plate 223 top, spacing 2231 can block in the constant head tank 211 on the dust cover 21, thereby fixes dust cover 21 on base 1, and piece departure injures people when preventing the test block breakage improves operating personnel's factor of safety.

As shown in fig. 2, the fixing bolt 222 is sleeved with a fastening spring 224 between the fixing plate 223 and the sidewall of the fixing groove 2211. The tightening spring 224 can give a tightening force to the fixing bolt 222 so that the external thread of the fixing bolt 222 is tightened against the internal thread of the fixing strip 221, so that the frictional force therebetween is increased to prevent the fixing bolt 222 from loosening.

As shown in fig. 2 and 3, the dust cover 21 includes two L-shaped connecting plates, the two connecting plates are a first connecting plate 212 and a second connecting plate 213 in sequence, one end of the first connecting plate 212 and one end of the second connecting plate 213 are hinged to each other, and the other end is connected to each other through the limiting member 3. After the movable ends of the first connecting plate 212 and the second connecting plate 213 are separated from each other, the movable ends can be directly separated from the testing device at the base 1, so that time and labor are saved.

As shown in fig. 2 and fig. 3, the limiting member 3 includes a T-shaped limiting arm 31 hinged to the movable end of the second connecting plate 213, a limiting member 32 is fixedly connected to the outer wall of the movable end of the first connecting plate 212 along the vertical direction, and a limiting groove 321 for the limiting arm 31 to be inserted is formed in the limiting member 32. The stopper arm 31 is engaged in the stopper groove 321 of the stopper 32, so that the movable ends of the first and

second connection plates

212 and 213 are connected. The limiting block 32 is hinged with a rectangular positioning plate 33 used for sealing the limiting groove 321 at one end of the limiting groove 321, and the movable end of the positioning plate 33 is connected with the limiting block 32 through a positioning bolt 34. After the limiting arm 31 is clamped into the limiting groove 321, the positioning plate 33 is covered at the opening of the limiting groove 321, and the positioning bolt 34 is screwed, so that the positioning plate 33 is fixed on the limiting block 32, and the limiting arm 31 is prevented from being separated from the limiting groove 321.

As shown in fig. 2 and 3, rectangular observation ports 214 are formed in the peripheral side walls of the dust cover 21, and transparent plates 4 made of plastic are installed in the observation ports 214. The operator can directly observe the condition of the test block through the transparent plate 4 in the observation port 214, and the occurrence of accidents is avoided. Transparent plate 4 one end is articulated with viewing aperture 214 lateral wall, other end integrated into one piece has the fixed arm 41 that is the rectangle, and dust cover 21 is kept away from the one end of articulated department in viewing aperture 214 and is offered the spread groove 215 that supplies fixed arm 41 to go into, and the equal fixedly connected with in opposite directions of spread groove 215 is hemispherical fixture block 5 by what hard rubber made. When the fixing arm 41 is snapped into the connection groove 215, the fixing fixture 5 is deformed by being squeezed, so that the fixing arm 41 can be continuously snapped into the connection groove 215; after the fixing arm 41 is completely snapped into the connection slot 215, the fixing latch 5 is restored and tightly attached to the upper end surface of the fixing arm 41, so that the fixing arm 41 is limited in the connection slot 215.

The installation process comprises the following steps:

firstly, the dust cover 21 is placed in the fixing groove 2211, the fixing bolt 222 is screwed, so that the fixing plate 223 is tightly attached to the dust cover 21, and meanwhile, the limiting strip 2231 on the fixing plate 223 is clamped in the positioning groove 211; then, the limiting arm 31 is placed in the limiting groove 321; finally, the positioning plate 33 is rotated, and the positioning bolt 34 is screwed, thereby completing the installation.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a concrete impact resistance testing arrangement, includes base (1), its characterized in that: base (1) up end is provided with protection component (2), protection component (2) are open-ended dust cover (21) including inside cavity and from top to bottom, dust cover (21) are connected with base (1) up end through mounting (22), mounting (22) include two fixed strip (221) of being connected with the both sides of base (1) up end respectively, fixed strip (221) up end is provided with fixed slot (2211) that supply dust cover (21) card to go into along self length direction, two the equal threaded connection in one side that fixed strip (221) were carried on the back mutually has fixing bolt (222), the one end of fixing bolt (222) is stretched into in fixed slot (2211) and is rotated and is connected with fixed plate (223) that are used for pushing up tight dust cover (21) lateral wall.

2. The concrete impact resistance testing device of claim 1, wherein: one side that fixed plate (223) and dust cover (21) hug closely is connected with spacing strip (2231) along self length direction, dust cover (21) lateral wall is provided with constant head tank (211) that confession spacing strip (2231) was gone into.

3. The concrete impact resistance testing device of claim 1, wherein: and a fastening spring (224) is sleeved between the fixing bolt (222) and the side wall of the fixing groove (2211) and the fixing plate (223).

4. The concrete impact resistance testing device of claim 1, wherein: the dust cover (21) comprises two L-shaped connecting plates, the two L-shaped connecting plates are a first connecting plate (212) and a second connecting plate (213) in sequence, one ends of the first connecting plate (212) and the second connecting plate (213) are hinged to each other, and the other ends of the first connecting plate and the second connecting plate are connected to each other through a limiting part (3).

5. A concrete impact resistance test device according to claim 4, characterized in that: the locating part (3) includes the spacing arm (31) that is T shape articulated with second connecting plate (213) expansion end, the expansion end outer wall of first connecting plate (212) is connected with stopper (32), offer spacing groove (321) that supply spacing arm (31) card to go into on stopper (32).

6. A concrete impact resistance test device according to claim 5, characterized in that: the limiting block (32) is hinged with a positioning plate (33) used for sealing the limiting groove (321) at one end of the limiting groove (321), and the movable end of the positioning plate (33) is connected with the limiting block (32) through a positioning bolt (34).

7. The concrete impact resistance testing device of claim 1, wherein: the side wall all is provided with viewing aperture (214) around dust cover (21), all install transparent plate (4) in viewing aperture (214).

8. A concrete impact resistance test device according to claim 7, characterized in that: transparent plate (4) one end is articulated with viewing aperture (214) lateral wall, and the other end is connected with fixed arm (41), dust cover (21) lateral wall is provided with spread groove (215) that supply fixed arm (41) card to go into, spread groove (215) two inner walls in opposite directions all are provided with fixed fixture block (5) made by the stereoplasm rubber.