CN211740859U

CN211740859U - Concrete compression testing machine with protector

Info

Publication number: CN211740859U
Application number: CN202020429841.5U
Authority: CN
Inventors: 方少逴; 胡建军; 邢玉玲
Original assignee: Zhejiang Aili Intelligent Testing Technology Group Co ltd
Current assignee: Zhejiang Aili Intelligent Testing Technology Group Co ltd
Priority date: 2020-03-28
Filing date: 2020-03-28
Publication date: 2020-10-23
Anticipated expiration: 2030-03-28

Abstract

The utility model relates to a concrete compression testing machine with protector, including testing machine organism and protector, the testing machine organism includes bottom plate and roof, and bottom plate and roof are through four stand fixed connection, and protector includes backplate and front shroud, and the backplate just locates between bottom plate and the roof along vertical fixed setting, and the front shroud is the opening towards the T shape of backplate, and the front shroud height is less than the backplate, and outside four stands were located to the front shroud cover, the operation mouth had been seted up to one side that the backplate was kept away from to the front shroud, and the front shroud rotates and is connected with the sealing door. Surround the testing machine organism through protector, the concrete test piece is when the breakage, and the fragment that splashes is blockked by protector, and after a concrete test piece accomplished the pressure test, the operation mouth was opened to the accessible, changes the concrete test piece, makes things convenient for next test. After the test is completed completely, the front cover is lifted upwards for a certain distance, so that the front cover can be easily detached from the back plate, and the scraps can be conveniently and comprehensively cleaned.

Description

Concrete compression testing machine with protector

Technical Field

The utility model belongs to the technical field of the check out test set technique and specifically relates to a concrete compression testing machine with protector is related to.

Background

The concrete pressure tester is a tester product which is developed and developed according to the national standard GB/T50081-2002 standard for testing the mechanical properties of common concrete to measure and judge the performance parameters of the concrete and display the test data and results. The compression testing machine crushes the concrete test piece through the pressure cylinder, and records the pressure value when the concrete test piece is crushed, so that the compression testing is completed. Compression testing machine can produce the concrete fragment of high-speed splash when crushing concrete sample, easily causes danger to near operating personnel, so need install protector additional to compression testing machine.

The existing pressure testing machine, such as the pressure testing machine with a cement protective cover disclosed in the utility model with the publication number of CN207095991U, comprises a testing machine, wherein a base is arranged at the bottom of the testing machine, a lower pressure plate is arranged on the base, the base is provided with the protective cover for sleeving the lower pressure plate, the protective cover comprises a plurality of protective plates and protective doors, and the protective plates and the protective doors are spliced into an annular shape with openings at the upper end and the lower end; the test block placing device comprises a protective door, a groove, a test block, a groove, a sliding block, a test block placing plate and a test block placing plate, wherein the protective door is provided with rotating pins at two sides, the sliding groove for the rotating pins to slide along the vertical direction is arranged on the protective plate, the rotating pins at two sides of the protective door slide upwards along the sliding groove to separate the bottom end of the protective door from the groove, the protective door is opened by rotating the protective door, the test block is placed on a lower pressure plate; when the cement test block bursts, the protective cover can resist the splashed fragments, and the condition that the splashed fragments injure operators is reduced.

The above prior art solutions have the following drawbacks: through the setting of this guard plate and guard gate, operating personnel only accessible guard gate is operated the testing machine is inside, and is inconvenient when overhauing and clearing up the piece.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a concrete compression testing machine who has protector that protecting effect is good.

The above object of the present invention can be achieved by the following technical solutions:

a concrete compression testing machine with a protection device comprises a testing machine body, wherein the testing machine body comprises a bottom plate and a top plate, the bottom plate and the top plate are fixedly connected through four stand columns, the concrete compression testing machine further comprises the protection device, the protection device comprises a back plate and a front cover, the back plate is vertically and fixedly arranged between the bottom plate and the top plate, the front cover is in a T shape with an opening facing the back plate, the height of the front cover is smaller than that of the back plate, the front cover is sleeved outside the four stand columns, the front cover is provided with a first connecting piece along the vertical direction, one end, facing the front cover, of the back plate is fixedly provided with a second connecting piece matched with the first connecting piece, the first connecting piece is provided with a connecting groove along the vertical direction, the second connecting piece is embedded and is connected with the connecting groove in a sliding manner along the vertical direction, the first, an operation opening is formed in one side, away from the back plate, of the front cover, and the front cover is rotatably connected with a sealing door used for sealing the operation opening.

Through adopting above-mentioned technical scheme, when carrying out pressure test, backplate fixed connection is in the testing machine organism, then mentions the front shroud along vertical direction, removes the second connecting piece to the top of first connecting piece again to with the front shroud along vertical direction lapse, make the second connecting piece inlay locate first connecting piece, the front shroud is along the spacing fixed of horizontal direction. Protector surrounds the testing machine organism, prevents that the concrete sample when broken, fragment splash testing machine organism causes the damage to operating personnel and other equipment, accomplishes the pressure test back when a concrete sample, and the operation mouth is opened to the accessible, changes the concrete sample, makes things convenient for next test. After the test is completed completely, the front cover is lifted upwards for a certain distance, so that the front cover can be easily detached from the back plate, and the scraps can be conveniently and comprehensively cleaned.

The present invention may be further configured in a preferred embodiment as: the protection device further comprises a protection net group, the protection net group is located between the stand column and the front cover and the back plate and is arranged at an interval with the front cover and the back plate, the protection net group comprises four protection nets which are arranged on four sides of the testing machine body in a divided mode, and the protection nets are close to one side of the operation opening and are installed on the closed door.

Through adopting above-mentioned technical scheme, through the setting of protection net group, the fragment of splash is when touchhing on the protection net, is slowed down by the protection network to through the protection network and preceding cover and the interval buffering between the backplate, reduce the damage to preceding cover and backplate, improved protector's life.

The present invention may be further configured in a preferred embodiment as: the protective net comprises a back plate, a front cover and a closed door, wherein the back plate, the front cover and the closed door are all provided with connecting columns for installing protective net groups, each protective net is provided with four connecting rings, the connecting rings are elastic pieces, the four connecting rings are respectively arranged at four corners of the protective net, and when the connecting columns are sleeved with the connecting rings, the connecting rings are in a stretching stress state.

Through adopting above-mentioned technical scheme, when installing the protection network, locate the spliced pole with the go-between cover in protection network four corners on, and four go-between all keep the tension state, make the stable quilt of protection network install at the spliced pole, conveniently carry out the dismouting to the protection network.

The present invention may be further configured in a preferred embodiment as: the connecting column is provided with a limiting groove used for limiting the protective net, and the connecting ring is embedded in the limiting groove.

Through adopting above-mentioned technical scheme, when the spliced pole was located to the go-between cover, inlay the go-between and locate in the spacing groove, made the go-between be difficult for sliding on the spliced pole, improved the stability of protection network.

The present invention may be further configured in a preferred embodiment as: the collecting box is arranged on the front cover and the back plate and located below the protective net, four collecting boxes are arranged, each protective net corresponds to one collecting box, and the upper end of each collecting box is open.

Through adopting above-mentioned technical scheme, through the setting of collecting the box, less fragment that is cushioned by the protection network because the granule is less difficult clearance, this kind of fragment can pass the protection network to fall through self gravity and collect in collecting the box, conveniently clear up the fragment.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a collection box, including front shroud and backplate, installation piece, mounting groove, mounting block, installation piece, horizontal direction, mounting block and mounting groove, the front shroud and backplate are equipped with the installation piece along vertical direction, the mounting groove has been seted up along vertical direction to the collection box, the mounting groove communicates in collecting the box lower extreme, the installation piece inlays to be established and follows vertical direction sliding connection in the mounting groove, it is spacing fixed along the horizontal direction to.

Through adopting above-mentioned technical scheme, when dismantling the collection box, upwards mention the collection box, make the installation piece break away from out from the mounting groove, conveniently clear up the fragment in the collection box.

The present invention may be further configured in a preferred embodiment as: the inside sides of the back plate and the front cover are provided with cushion pads.

Through adopting above-mentioned technical scheme, through the setting of blotter, reduce the fragment to the impact force of backplate and front shroud, improved protector's life.

The present invention may be further configured in a preferred embodiment as: the closed door is provided with an observation port for convenient observation, and a transparent closing piece is fixedly arranged on the observation port.

Through adopting above-mentioned technical scheme, through the setting of viewing aperture, make things convenient for operating personnel to observe the condition in the tester when experimental.

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

1. the protective device surrounds the testing machine body, so that fragments are prevented from splashing out of the testing machine body when a concrete test piece is crushed and damaging operators and other equipment, the front cover is convenient to disassemble and assemble through the connecting structure of the front cover and the back plate, and the fragments are convenient to clean after the front cover is disassembled;

2. the service life of the protection device is prolonged;

3. the protective net is convenient to disassemble and assemble, and the stability of the protective net is improved;

4. the fragments are convenient to clean.

Drawings

FIG. 1 is a schematic view of the overall structure of the installed protection device of the present embodiment;

FIG. 2 is a schematic exploded view of the front cover of the present embodiment;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

fig. 4 is a schematic view of the connection structure of the protection net, the cushion and the collecting box in this embodiment.

In the figure, 1, a testing machine body; 11. a base plate; 12. a top plate; 13. an upper resisting plate; 14. a lower pressing plate; 15. an adjustment mechanism; 151. adjusting a rod; 152. a hand wheel; 16. a column; 2. a back plate; 21. a second connecting member; 3. a front cover; 31. a first connecting member; 311. connecting grooves; 32. an operation port; 33. a closing door; 331. a viewing port; 34. a locking member; 341. positioning a rod; 342. a tab; 4. a protection net group; 41. a protective net; 411. a connecting ring; 5. a collection box; 51. mounting grooves; 6. connecting columns; 61. a limiting groove; 7. mounting blocks; 8. a cushion pad.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a concrete compression testing machine with protector, including testing machine organism 1, be used for preventing the protector that the fragment splashes out and be used for the collection box 5 of collecting partial bits of fragment when the testing machine carries out compression test. The protection device is sleeved outside the testing machine body 1, and the protection device is convenient to disassemble. Collect box 5 and locate between protector and the testing machine organism 1, collect box 5 and can dismantle and connect in protector.

Before the testing machine starts a pressure test, the protection device is arranged on the testing machine body 1, and the protection device surrounds the working area of the testing machine body 1. When the testing machine body 1 starts to work, the crushed concrete fragments are splashed out and blocked by the protective device, and part of the fragments fall into the collecting box 5 to be collected.

Referring to fig. 2, the testing machine body 1 includes a bottom plate 11, a top plate 12, an upper abutting plate 13, a lower pressing plate 14, an adjusting mechanism 15 for adjusting the horizontal height of the upper abutting plate 13, and a driving cylinder (not shown in the figure) for driving the lower pressing plate 14 to move in the vertical direction. The bottom plate 11 and the top plate 12 are fixedly connected by four upright posts 16. The adjusting mechanism 15 comprises an adjusting rod 151 and a hand wheel 152, the adjusting rod 151 penetrates through the top plate 12 in the vertical direction and is in threaded connection with the top plate 12, the lower end of the adjusting rod 151 is rotatably connected to the upper supporting plate 13 through a bearing, and the upper supporting plate 13 abuts against the four upright posts 16 and is circumferentially fixed relative to the adjusting rod 151. The hand wheel 152 is fixedly connected to the upper end of the adjusting rod 151. The driving cylinder is an oil cylinder, the driving cylinder is arranged in the testing machine body 1 and located below the lower pressing plate 14, the driving cylinder body is fixedly installed on the testing machine body 1, and a piston rod of the driving cylinder is fixedly connected to the lower end of the lower pressing plate 14.

When the pressure test is carried out, a concrete test piece is placed on the upper end face of the lower pressing plate 14, the hand wheel 152 is rotated, the upper abutting plate 13 is adjusted to be a certain distance away from the concrete test piece, and then the lower pressing plate 14 is driven by the driving cylinder to slowly move upwards until the concrete test piece is broken.

Referring to fig. 2, the guard device includes a back panel 2, a front cover 3, and a guard net group 4.

Referring to fig. 2 and 3, the back plate 2 is disposed in a vertical direction and may be fixedly disposed between the bottom plate 11 and the top plate 12 by bolts or welding. The front cover 3 is in a T shape with an opening facing the back plate 2, the height of the front cover 3 is smaller than that of the back plate 2, and the front cover 3 is sleeved outside the four upright posts 16. The front cover 3 is provided with a first connecting piece 31 along the vertical direction, the backboard 2 is fixedly provided with a second connecting piece 21 matched with the first connecting piece 31 towards one end of the front cover 3, the first connecting piece 31 and the second connecting piece 21 are provided with three groups, and the adjacent groups are arranged at intervals. The first connecting member 31 is provided with a connecting groove 311 along the vertical direction, and the connecting groove 311 is of an inverted T shape or a dovetail shape. The second connection member 21 is formed in an inverted T shape or a dovetail shape corresponding to the shape of the connection groove 311. The second connecting piece 21 is embedded and connected to the connecting groove 311 in a sliding manner along the vertical direction, and the second connecting piece 21 is fixed in a limiting manner along the horizontal direction through the connecting groove 311.

When installing protector, at first with 2 fixed mounting of backplate between roof 12 and bottom plate 11, then mention the front shroud 3 along vertical direction, remove the top that corresponds second connecting piece 21 with first connecting piece 31 again, and slide the front shroud 3 along vertical direction lapse, make first connecting piece 31 inlay locate in second connecting piece 21, front shroud 3 is spacing fixed along the horizontal direction, the installation of front shroud 3 and backplate 2 has been accomplished promptly, the convenience of protector dismouting has been improved.

Referring to fig. 2, an operation opening 32 is formed in a side of the front cover 3 away from the backboard 2, and a closing door 33 for closing the operation opening 32 is rotatably connected to the front cover 3. Be equipped with on the front shroud 3 and be used for the locking piece 34 to the locking of closing door 33, locking piece 34 includes locating lever 341 and two auricles 342, has seted up the locating hole on the auricle 342, and two auricles 342 are fixed connection respectively in closing door 33 and front shroud 3, and when closing door 33 rotated to seal operation mouth 32, the locating hole of two auricles 342 was coaxial, and locating lever 341 is the type of falling L, and two auricles 342 are worn to locate simultaneously to locating lever 341. The closed door 33 is provided with an observation port 331 for facilitating observation, a transparent closed piece is fixedly arranged on the observation port 331, and the closed piece can be a toughened glass plate, a plastic plate and the like.

When a concrete test piece finishes the pressure test, the next concrete test piece needs to be tested, the operation opening 32 is opened through the access, the concrete test piece is replaced, and after all the tests are finished completely, the front cover 3 is detached and cleaned. When the test is performed, the internal test condition can be observed through the observation port 331, and the safety is improved.

Referring to fig. 2, the protective net group 4 is located between the upright post 16 and the front cover 3 and the back plate 2, and surrounds the lower pressing plate 14 and the upper pressing plate 13. The protective net group 4 is arranged at intervals with the front cover 3 and the back plate 2. The protective net group 4 includes four protective nets 41 respectively disposed on four sides of the testing machine body 1, and the protective net 41 on the side close to the operation opening 32 is mounted on the closing door 33. Referring to fig. 2 and 3, the back plate 2, the front cover 3 and the closed door 33 are all provided with a connecting column group for installing the protective net group 4, each connecting column group comprises four connecting columns 6 which are arranged at four corners, and the connecting columns 6 are provided with limiting grooves 61 for limiting the protective net 41. Four connecting rings 411 are arranged on each protective net 41, the connecting rings 411 are elastic members, and the four connecting rings 411 are respectively arranged at four corners of the protective net 41. When the connection ring 411 is sleeved on the connection column 6 and embedded in the limiting groove 61, the connection ring 411 is in a tensile stress state.

When installing protection network 41, locate spliced pole 6 with the go-between 411 cover in the protection network 41 four corners to make go-between 411 inlay and locate in spacing groove 61, make go-between 411 be difficult for sliding on spliced pole 6, four go-between 411 all keep the tensioning state this moment, make the stable quilt of protection network 41 install spliced pole 6, and make things convenient for the dismouting when changing and installing.

Referring to fig. 4, the collecting box 5 is mounted on the front cover 3 and the back plate 2, and the collecting box 5 located at one side of the closing door 33 is mounted on the closing door 33. The collection boxes 5 are located below the protection nets 41, the number of the collection boxes 5 is four, each protection net 41 corresponds to one collection box 5, and the upper ends of the collection boxes 5 are open. The front cover 3 and the back plate 2 are provided with an installation block 7 used for installing the collection box 5 along the vertical direction, the installation block 7 is of an inverted T shape or a dovetail shape, the collection box 5 is provided with an installation groove 51 towards one side of the installation block 7 along the vertical direction, and the installation groove 51 is provided corresponding to the installation block 7. Mounting groove 51 communicates in collection box 5 lower extreme, and installation piece 7 inlays to be established and follows vertical direction sliding connection in mounting groove 51, collects box 5 and follows the horizontal direction spacing fixedly through installation piece 7 and mounting groove 51's cooperation. Backplate 2 and 3 one sides inwards of front shroud all are equipped with blotter 8, and blotter 8 can be spongy cushion or rubber pad etc. and connecting column 6 wears to locate blotter 8.

Through the setting of collecting box 5, less fragment is because the granule is less difficult to be cleared up, and this type of less fragment partly passes protection network 41 after being cushioned by protection network 41 to cushion through blotter 8, then fall through self gravity and collect in collecting box 5, after accomplishing the experiment, dismantle preceding cover 3, then upwards mention collecting box 5, make installation piece 7 break away from out from mounting groove 51, can take off collecting box 5, clear up the fragment in collecting box 5.

The implementation principle of the embodiment is as follows:

1. before the testing machine starts the pressure test, the protection device is firstly installed on the testing machine body 1. First, the back panel 2 is fixedly attached between the top panel 12 and the bottom panel 11, and the collecting box 5 and the protective net 41 are attached to the back panel 2.

2. Install protection network 41 and collection box 5 on front shroud 3, then will accomplish the front shroud 3 of protection network 41 and collection box 5 and mention along vertical direction, remove first connecting piece 31 to the top that corresponds second connecting piece 21 again to with front shroud 3 along vertical direction lapse, make first connecting piece 31 inlay locate in second connecting piece 21, front shroud 3 is spacing fixed along the horizontal direction, has accomplished the installation of front shroud 3 and backplate 2 promptly.

3. When the testing machine is used for performing a pressure test, a concrete test piece is placed on the upper end face of the lower pressing plate 14, the hand wheel 152 is rotated, the upper abutting plate 13 is adjusted to be a certain distance away from the concrete test piece, and then the lower pressing plate 14 is driven by the driving cylinder to slowly move upwards until the concrete test piece is broken.

4. After the concrete sample is crushed, part of the fragments splashes onto the protective net 41 and is buffered by the protective net 41, and the part of the splashed fragments passes through the protective net 41 after being buffered by the protective net 41 and falls into the collecting box 5 for collection through self gravity.

5. After the test is completed, the front cover 3 is detached, and then the collecting box 5 is lifted upwards, so that the mounting block 7 is separated from the mounting groove 51, and then the collecting box 5 can be taken down to clean the fragments in the collecting box 5.

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 concrete compression testing machine with protector, includes testing machine organism (1), testing machine organism (1) includes bottom plate (11) and roof (12), bottom plate (11) and roof (12) are through four stand (16) fixed connection, its characterized in that: the protective device comprises a back plate (2) and a front cover (3), wherein the back plate (2) is vertically and fixedly arranged and arranged between a bottom plate (11) and a top plate (12), the front cover (3) is in a T shape with an opening facing the back plate (2), the front cover (3) is highly smaller than the back plate (2), the front cover (3) is sleeved outside the four stand columns (16), a first connecting piece (31) is arranged on the front cover (3) along the vertical direction, a second connecting piece (21) used for being matched with the first connecting piece (31) is fixedly arranged at one end of the back plate (2) facing the front cover (3), the first connecting piece (31) is provided with a connecting groove (311) along the vertical direction, the second connecting piece (21) is embedded and is connected to the connecting groove (311) in a sliding manner along the vertical direction, the first connecting piece (31) is fixed along the horizontal direction in a limiting manner through the second connecting piece (21), an operation opening (32) is formed in one side, far away from the back plate (2), of the front cover (3), and the front cover (3) is rotatably connected with a sealing door (33) used for sealing the operation opening (32).

2. The concrete pressure tester with the protection device according to claim 1, characterized in that: the protection device further comprises a protection net group (4), the protection net group (4) is located between the stand column (16) and the front cover (3) and the back plate (2), and is arranged at intervals with the front cover (3) and the back plate (2), the protection net group (4) comprises four protective nets (41) which are respectively arranged on four sides of the testing machine body (1), and the protective nets (41) are close to one side of the operation opening (32) and are installed on the closed door (33).

3. The concrete pressure tester with the protection device according to claim 2, characterized in that: all be equipped with spliced pole (6) that are used for installing protection net group (4) on backplate (2), front shroud (3) and closed door (33), every be equipped with four go-between (411) on protection network (41), go-between (411) are the elastic component, four go-between (411) divide the four corners position of locating protection network (41), work as when spliced pole (6) are located to go-between (411) cover, go-between (411) are tensile stress state.

4. The concrete pressure tester with the protection device according to claim 3, characterized in that: the connecting column (6) is provided with a limiting groove (61) used for limiting the protective net (41), and the connecting ring (411) is embedded in the limiting groove (61).

5. The concrete pressure tester with the protection device according to claim 2, characterized in that: be equipped with on front shroud (3) and backplate (2) and collect box (5), it is located protection network (41) below to collect box (5), it is equipped with four to collect box (5), and every protection network (41) corresponds has one to collect box (5), collect box (5) upper end opening.

6. The concrete pressure tester with the protection device according to claim 5, characterized in that: front shroud (3) and backplate (2) are equipped with installation piece (7) along vertical direction, collect box (5) and seted up mounting groove (51) along vertical direction, mounting groove (51) communicate in collecting box (5) lower extreme, installation piece (7) inlay and establish and follow vertical direction sliding connection in mounting groove (51), it is spacing fixed along the horizontal direction to collect box (5) cooperation through installation piece (7) and mounting groove (51).

7. The concrete pressure tester with the protection device according to claim 1, characterized in that: the inward sides of the back plate (2) and the front cover (3) are provided with cushion pads (8).

8. The concrete pressure tester with the protection device according to claim 1, characterized in that: the utility model discloses a convenient observation, including be equipped with on the door of enclosing (33) and be used for conveniently observing viewing aperture (331), fixed transparent closing member that is equipped with on viewing aperture (331).