CN211477834U

CN211477834U - Pressure testing machine

Info

Publication number: CN211477834U
Application number: CN202020162665.3U
Authority: CN
Inventors: 任飞宇; 徐建如; 丁剑蓉
Original assignee: Zhejiang Yiyu Instrument Equipment Co ltd
Current assignee: Zhejiang Yiyu Instrument Equipment Co ltd
Priority date: 2020-02-11
Filing date: 2020-02-11
Publication date: 2020-09-11
Anticipated expiration: 2030-02-11

Abstract

The utility model relates to the technical field of pressure detection equipment, in particular to a pressure testing machine, which comprises a base, a mounting seat arranged above the base and a guide rod vertically arranged, wherein one end of the guide rod is connected with the base, and the other end of the guide rod is connected with the mounting seat; an oil hydraulic cylinder is arranged on the base, and an output shaft of the oil hydraulic cylinder is connected with a lower pressing plate; the mounting seat is connected with an upper pressure plate and a driving assembly for driving the upper pressure plate to lift, and the lower pressure plate is connected with a scraper for scraping scraps in a sliding manner. The utility model discloses after the stone is broken, remove the garrulous sediment clearance of scraper blade on with the holding down plate and detach, need not the workman and wipe the garrulous sediment with the hand, avoid sharp-pointed garrulous sediment to make workman hand be injured.

Description

Pressure testing machine

Technical Field

The utility model belongs to the technical field of the technique of pressure measurement equipment and specifically relates to a compression testing machine is related to.

Background

With the improvement of the construction technology level, the country accelerates the promotion of infrastructure engineering construction, and the application of concrete in the building market is more and more, and the requirements on engineering quality and environmental protection are more and more strict. In construction engineering, the performance of concrete is usually tested at regular time, which is to cast a batch of cubic concrete test blocks with specified size, and the concrete test blocks are extruded by a concrete compression testing machine until the test blocks are broken, so as to obtain each data value.

The patent with the publication number of CN209356310U discloses an electricity liquid servo compression testing machine, including base, mount pad, guide bar, worm, top board and holding down plate, install the guide bar on the base, the one end that the base was kept away from to the guide bar links to each other with the mount pad, worm slidable mounting is on the mount pad, the base is close to one side installation holding down plate of mount pad, the worm is close to the one end installation top board of base, the mount pad with install the baffle between the base, baffle one end through first connecting piece with the mount pad links to each other, the baffle other end pass through the second connecting piece with the base links to each other.

The above prior art solutions have the following drawbacks: but compression testing machine can produce a large amount of concrete disintegrating slag when broken concrete piece, and the disintegrating slag remains on the holding down plate, needs in time to clear up, otherwise will influence the experimental accuracy of next, generally adopts the workman to wipe off the disintegrating slag with the hand, and sharp-pointed disintegrating slag can make workman hand be injured.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a compression testing machine, after the test block is broken, remove the garrulous sediment clearance of scraper blade on with the holding down plate and detach, need not the workman and wipe the garrulous sediment with the hand, avoid sharp-pointed garrulous sediment to make workman hand be injured.

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

a pressure testing machine comprises a base, a mounting seat arranged above the base and a guide rod vertically arranged, wherein one end of the guide rod is connected with the base, and the other end of the guide rod is connected with the mounting seat; an oil hydraulic cylinder is arranged on the base, and an output shaft of the oil hydraulic cylinder is connected with a lower pressing plate; the mounting seat is connected with an upper pressure plate and a driving assembly for driving the upper pressure plate to lift, and the lower pressure plate is connected with a scraper for scraping scraps in a sliding manner.

By adopting the technical scheme, when the compression testing machine works, the test block is placed on the lower pressing plate, then the upper pressing plate is driven to descend through the driving assembly until the upper pressing plate is contacted with the test block, and then the oil hydraulic cylinder is driven, so that the output shaft of the oil hydraulic cylinder drives the lower pressing plate to ascend until the test block is crushed; after the test block is broken, the movable scraper plate cleans and removes broken slag on the lower pressing plate, the broken slag is not needed to be wiped off by hands of workers, and the hands of the workers are prevented from being injured by sharp broken slag.

The present invention may be further configured in a preferred embodiment as: the mounting groove has been seted up on the scraper blade lateral wall, install the installation piece in the mounting groove, fixedly connected with a plurality of is used for clearing up the clastic brush on the top board on the installation piece, set up the recess that supplies the brush to stretch out, just prevent that the installation piece from stretching out on the scraper blade upper end terminal surface, be provided with the elastic component who upwards jacks up the installation piece in the mounting groove.

Through adopting above-mentioned technical scheme, in installation piece and the brush on the installation piece stretched into the scraper blade from the mounting groove to elastic component outwards ejecting installation piece and brush, and make the brush and the terminal surface contact under the top board, the brush scrapes the adnexed tiny piece on with the top board, avoids causing the influence to the test accuracy in follow-up use.

The present invention may be further configured in a preferred embodiment as: elastic component includes compression spring and connecting block, compression spring one end and connecting block butt, the other end and mounting groove tank bottom butt, compression spring's one end and installation piece butt are kept away from to the connecting block.

By adopting the technical scheme, the compression spring pushes out the connecting block towards the direction far away from the bottom of the mounting groove under the action of the elastic force, the mounting block and the hairbrush on the mounting block are pushed out outwards by the connecting block, so that the hairbrush has the outwards pushed-out acting force, and the effect of cleaning the upper pressing plate by the hairbrush for removing the scraps is further enhanced.

The present invention may be further configured in a preferred embodiment as: the connecting block is provided with the first guide inclined plane of easy to assemble piece installation income mounting groove near mounting groove open-ended one side lateral wall, one side lateral wall that the installation piece stretched into the mounting groove earlier be provided with first guide inclined plane butt complex second guide inclined plane.

Through adopting above-mentioned technical scheme, during the installation piece, with the installation piece from the mounting groove opening part inwards stretch into the mounting groove, at the in-process that stretches into, the second guide inclined plane of installation piece and the first guide inclined plane butt of connecting block, and drive the connecting block and remove to the mounting groove tank bottom, the setting on first guide inclined plane and second guide inclined plane is easy to assemble the piece and install in the mounting groove and with the connecting block butt.

The present invention may be further configured in a preferred embodiment as: one side fixedly connected with that the scraper blade deviates from the scraper blade sliding direction is used for preventing the piece on the top board from dropping to the first baffle on the lower pressure plate.

Through adopting above-mentioned technical scheme, the setting of first baffle has the effect that prevents that the piece on the top board from dropping to the holding down plate, guarantees to have better clearance effect.

The present invention may be further configured in a preferred embodiment as: the both sides fixedly connected with of one end both sides that the scraper blade was kept away from first baffle prevents that the piece from falling out the second baffle from the scraper blade both sides.

Through adopting above-mentioned technical scheme, the second baffle that is located the scraper blade both sides has the effect that prevents that the piece from falling out from the scraper blade both sides, further strengthens the clearance effect, reduces follow-up cleaning work to a certain extent.

The present invention may be further configured in a preferred embodiment as: the lower pressing plate is fixedly connected with a sliding rail, and the scraper is provided with a sliding groove matched with the sliding rail in a sliding manner.

Through adopting above-mentioned technical scheme, the scraper blade slides through slide rail and spout and is connected on the scraper blade, makes the scraper blade along the length direction of slide rail with the bits of broken glass clearance, and the scraper blade installation is dismantled conveniently simply.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a screw rod and a driving handle, a threaded hole in threaded connection with the screw rod is formed in the mounting seat, one end of the screw rod is fixedly connected with the driving handle, and the other end of the screw rod is rotatably connected with the upper pressing plate; the base is fixedly connected with a connecting rod, a connecting groove is formed in the connecting rod, a bolt hole is formed in the side wall of the upper pressing plate, an adjusting bolt is connected to the bolt hole in a threaded mode, and the adjusting bolt penetrates through the connecting groove and is in threaded connection with the bolt hole.

Through adopting above-mentioned technical scheme, when the top board goes up and down, rotate the drive handle and drive the lead screw and rotate, screw hole threaded connection on lead screw and the mount pad, the lead screw rotates and drives the top board and goes up and down, and adjusting bolt on the top board contradicts with the spread groove lateral wall and can prevent that the top board from rotating along with the rotation of lead screw.

The present invention may be further configured in a preferred embodiment as: the screw rod is fixedly connected with the upper end of the mounting seat, the corrugated hose is sleeved on the screw rod, the upper end of the corrugated hose is fixedly connected with a sealing plate for sealing the corrugated hose, and a through hole for the driving handle to extend into the corrugated hose is formed in the sealing plate.

By adopting the technical scheme, the corrugated hose and the sealing plate have the threads for preventing dust from entering the screw rod from the upper part, so that smooth operation is ensured when the screw rod is rotated, and the situation that the screw rod is clamped by the dust is avoided; when the lead screw rotates, the height extending out of the mounting seat changes, the corrugated hose can stretch out and draw back according to the height change of the threads, and dust is further prevented from entering the lead screw from the upper side.

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

1. after the test block is crushed, the scraper is moved to clean and remove broken slag on the lower pressing plate, so that the broken slag is not required to be wiped off by hands of workers, and the hands of the workers are prevented from being injured by sharp broken slag;

2. the arrangement of the brush and the mounting block scrapes off small scraps attached to the upper pressure plate, so that the influence on the test accuracy in the subsequent use process is avoided;

3. the setting of first baffle and second baffle on the scraper blade reduces follow-up cleaning work to a certain extent.

Drawings

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

fig. 2 is a schematic structural diagram of the driving assembly of the present invention;

fig. 3 is a schematic structural view of the upper pressing plate and the lower pressing plate of the present invention;

FIG. 4 is a schematic view of the scraper structure of the present invention;

fig. 5 is a schematic view of the internal structure of the scraper of the present invention.

In the figure, 1, a base; 11. a connecting rod; 111. connecting grooves; 12. an oil hydraulic cylinder; 13. a guide bar; 14. a lower pressing plate; 2. a mounting seat; 21. a threaded hole; 22. a corrugated hose; 23. a sealing plate; 231. a through hole; 3. an upper pressure plate; 31. adjusting the bolt; 4. a drive assembly; 41. a lead screw; 42. a drive handle; 5. a squeegee; 51. mounting grooves; 52. a groove; 53. A first baffle plate; 54. a second baffle; 6. mounting blocks; 61. a second guide ramp; 62. a brush; 7. an elastic component; 71. A compression spring; 72. connecting blocks; 721. a first guide ramp; 8. a slide rail; 81. a chute.

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 compression testing machine, guide bar 13 including base 1, mount pad 2 and four vertical settings, base 1 and mount pad 2 all set to the rectangular bodily form, and four guide bar 13 lower extremes are fixed connection respectively on four angles of base 1, and four guide bar 13 upper ends are fixed connection respectively on four angles of mount pad 2.

An upper pressing plate 3 is arranged on the mounting seat 2, the upper pressing plate 3 is located between the base 1 and the mounting seat 2, and a driving assembly 4 for driving the upper pressing plate 3 to ascend and descend is arranged on the upper pressing plate 3. The driving assembly 4 comprises a screw rod 41 and a driving handle 42, a threaded hole 21 in threaded connection with the screw rod 41 is formed in the mounting base 2, one end of the screw rod 41 is fixedly connected with the driving handle 42, and the other end of the screw rod 41 is rotatably connected with the upper pressing plate 3.

The corrugated hose 22 is fixedly connected to the upper end of the mounting seat 2, the corrugated hose 22 is sleeved on the screw rod 41, the sealing plate 23 for sealing the corrugated hose 22 is fixedly connected to the upper end of the corrugated hose 22, and the sealing plate 23 is provided with a through hole 231 for the driving handle 42 to extend into the corrugated hose 22.

Referring to fig. 1 and 3, the bolt holes have been opened on the relative lateral wall in top board 3 both sides, threaded connection has adjusting bolt 31 on the bolt hole, the vertical connecting rod 11 that upwards sets up of fixedly connected with on the base 1, set up the spread groove 111 of being connected with adjusting bolt 31's screw portion slides on the connecting rod 11, adjusting bolt 31's screw portion passes spread groove 111 and bolt hole threaded connection, and adjusting bolt 31's head is contradicted with connecting rod 11 lateral wall.

An oil pressure cylinder 12 is fixedly connected to the base 1, a lower pressure plate 14 is fixedly connected to an output shaft of the oil pressure cylinder 12, and the lower pressure plate 14 is rectangular.

Referring to fig. 4 and 5, a scraper 5 for scraping off debris is slidably attached to the lower platen 14. The mounting groove 51 has been seted up on the 5 lateral walls of scraper blade, installs installation piece 6 in the mounting groove 51, and fixedly connected with a plurality of is used for clearing up last clamp plate 3 and goes up the piece and have better elastic brush 62 on installation piece 6, sets up the recess 52 that supplies brush 62 to stretch out on the terminal surface of scraper blade 5 upper end, is provided with the elastic component 7 with installation piece 6 jack-up that makes progress in the mounting groove 51.

Elastic component 7 includes compression spring 71 and connecting block 72, compression spring 71 one end and connecting block 72 butt, the other end and mounting groove 51 tank bottom butt, and connecting block 72 keeps away from expanding spring's one end and installation piece 6 butt.

The connecting block 72 is provided with a first guiding inclined surface 721 which is convenient for the installation block 6 to be installed in the installation groove 51 near the side wall of the opening of the installation groove 51, and a second guiding inclined surface 61 which is abutted and matched with the first guiding inclined surface 721 is arranged on the side wall of the installation block 6 which firstly extends into the installation groove 51.

A first baffle 53 for preventing the debris on the upper platen 3 from falling onto the lower platen 14 is fixedly connected to one side of the scraper 5 facing away from the sliding direction of the scraper 5.

Two sides of one end of the scraper 5 far away from the first baffle 53 are fixedly connected with second baffles 54 which prevent the scraps from falling out from two sides of the scraper 5.

The lower pressing plate 14 is fixedly connected with a sliding rail 8, and the scraping plate 5 and the first baffle 53 are provided with a sliding groove 81 which is matched with the sliding rail 8 in a sliding manner.

The implementation principle of the embodiment is as follows:

when the pressure testing machine works, a test block is placed on the lower pressing plate 14, then the driving handle 42 is rotated to drive the screw rod 41 to rotate, the screw rod 41 is in threaded connection with the threaded hole 21 in the mounting base 2, the screw rod 41 rotates to drive the upper pressing plate 3 to descend, the adjusting bolt 31 on the upper pressing plate 3 is in interference with the side wall of the connecting groove 111 to prevent the upper pressing plate 3 from rotating along with the rotation of the screw rod 41, and then the oil hydraulic cylinder 12 is driven, so that the output shaft of the oil hydraulic cylinder 12 rises to drive the lower pressing plate 14 to rise until the test block is.

After the test block is broken, the movable scraper 5 cleans and removes broken slag on the lower pressing plate 14, and the second baffle 54 prevents the broken slag from falling out of two sides of the scraper 5, so that the cleaning effect is further enhanced, and the subsequent cleaning work is reduced. The compression spring 71 ejects the connecting block 72 in the direction away from the bottom of the mounting groove 51 under the action of the elastic force, the connecting block 72 ejects the mounting block 6 and the brush 62 on the mounting block 6 outwards, so that the brush 62 has the outwards-ejecting acting force, the brush 62 cleans chips on the upper pressure plate 3, the chips are not required to be wiped off by hands of workers, and the hands of the workers are prevented from being injured by sharp chips.

When installing installation piece 6, with installation piece 6 from the mounting groove 51 opening part inwards stretch into mounting groove 51 in, at the in-process that stretches into, the second guide inclined plane 61 of installation piece 6 and the first guide inclined plane 721 butt of connecting block 72, and drive connecting block 72 and remove to the mounting groove 51 tank bottom, the setting up of first guide inclined plane 721 and second guide inclined plane 61 facilitates installation piece 6 to install in mounting groove 51 and with the butt of connecting block 72.

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. A pressure testing machine comprises a base (1), a mounting seat (2) arranged above the base (1) and a guide rod (13) arranged vertically, wherein one end of the guide rod (13) is connected with the base (1), and the other end of the guide rod is connected with the mounting seat (2); an oil hydraulic cylinder (12) is arranged on the base (1), and a lower pressing plate (14) is connected to an output shaft of the oil hydraulic cylinder (12); be connected with drive assembly (4) that top board (3) and drive top board (3) go up and down on mount pad (2), its characterized in that: the lower pressure plate (14) is connected with a scraper (5) used for scraping the scraps in a sliding way.

2. A compression testing machine according to claim 1, characterized in that: the utility model discloses a scraper blade, including scraper blade (5), mounting groove (51) have been seted up on scraper blade (5) lateral wall, install installation piece (6) in mounting groove (51), fixedly connected with a plurality of is used for clearing up clastic brush (62) on top board (3) on installation piece (6), set up on scraper blade (5) upper end terminal surface and supply brush (62) to stretch out, and prevent recess (52) that installation piece (6) stretch out, be provided with elastic component (7) with installation piece (6) jack-up that makes progress in mounting groove (51).

3. A compression testing machine according to claim 2, characterized in that: elastic component (7) are including compression spring (71) and connecting block (72), compression spring (71) one end and connecting block (72) butt, the other end and mounting groove (51) tank bottom butt, the one end and the installation piece (6) butt of compression spring (71) are kept away from in connecting block (72).

4. A compression testing machine according to claim 3, characterized in that: connecting block (72) are close to mounting groove (51) open-ended one side lateral wall and are provided with first guide inclined plane (721) of installing in mounting groove (51) convenient to install piece (6), one side lateral wall that installation piece (6) stretched into in mounting groove (51) earlier is provided with and leads inclined plane (61) with first guide inclined plane (721) butt complex second.

5. A compression testing machine according to claim 4, characterized in that: one side fixedly connected with that scraper blade (5) deviates from scraper blade (5) sliding direction is used for preventing the piece on top board (3) from dropping first baffle (53) on lower plate (14).

6. A compression testing machine according to claim 1, characterized in that: and two sides of one end, far away from the first baffle (53), of the scraper (5) are fixedly connected with second baffles (54) for preventing chips from falling out from two sides of the scraper (5).

7. A compression testing machine according to claim 1, characterized in that: the upper pressing plate (14) is fixedly connected with a sliding rail (8), and the scraper (5) is provided with a sliding groove (81) which is matched with the sliding rail (8) in a sliding manner.

8. A compression testing machine according to claim 1, characterized in that: the driving assembly (4) comprises a lead screw (41) and a driving handle (42), a threaded hole (21) in threaded connection with the lead screw (41) is formed in the mounting base (2), one end of the lead screw (41) is fixedly connected with the driving handle (42), and the other end of the lead screw is rotatably connected with the upper pressing plate (3); fixedly connected with connecting rod (11) on base (1), spread groove (111) have been seted up on connecting rod (11), the bolt hole has been seted up on top board (3) lateral wall, threaded connection has adjusting bolt (31) on the bolt hole, adjusting bolt (31) pass spread groove (111) and bolt hole threaded connection.

9. A compression testing machine according to claim 1, characterized in that: the mounting seat (2) upper end fixedly connected with corrugated hose (22), on lead screw (41) was located to corrugated hose (22) cover, and corrugated hose (22) upper end fixedly connected with the sealed closing plate (23) of corrugated hose (22), set up on closing plate (23) and supply driving handle (42) to stretch into through-hole (231) in corrugated hose (22).