CN214472912U

CN214472912U - Concrete freeze thawing test equipment

Info

Publication number: CN214472912U
Application number: CN202120421939.0U
Authority: CN
Inventors: 董哲远; 肖前慧
Original assignee: Xian University of Science and Technology
Current assignee: Xian University of Science and Technology
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-10-22
Anticipated expiration: 2031-02-25

Abstract

The utility model discloses a concrete freezing and thawing test equipment, which comprises a buffer shell and an equipment main body. The bottom of the equipment main body penetrates into the inner cavity of the buffer shell and is fixedly connected with a buffer plate. The buffer assembly includes a telescopic rod, and the number of the telescopic rod is four. The utility model achieves the protection performance through the arrangement of the buffer shell, the main body of the equipment, the buffer plate, the buffer component, the connecting block, the tie rod, the stabilizing block, the first chute, the second chute, the shock-absorbing spring, the box cover and the sliding rod. The good advantage is to solve the problem of poor protection performance of the existing concrete freeze-thaw test equipment. The vibration of the test equipment due to external force can be effectively buffered, and the force generated by the test equipment during operation will not affect the later use effect. Long-term use will not cause damage to the test equipment and prolong the service life of the test equipment.

Description

Concrete freeze thawing test equipment

Technical Field

The utility model relates to a concrete technical field specifically is a concrete freeze thawing test equipment.

Background

In order to detect the frost resistance of the concrete test piece, the change of the natural environment temperature needs to be simulated, the concrete test piece is tested, the freeze-thaw test is called as a freeze-thaw test, the freeze-thaw test is composed of a plurality of freeze-thaw cycles, the freeze-thaw cycles are divided into a plurality of types according to different test requirements, the typical freeze-thaw cycle is controlled within 12 hours, and after the freeze-thaw cycles are completed, the concrete test piece needs to be taken out and the weight change and the mechanical property change of the concrete test piece are recorded.

Present concrete freeze thawing test equipment, protective properties is poor, and test equipment can't carry out effectual buffering because of the vibration of external force production, and the effort that test equipment during operation produced simultaneously can influence the result of use in later stage, uses for a long time and can cause test equipment to appear damaging, has shortened test equipment's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete freeze thawing test equipment possesses the advantage that barrier propterty is good, has solved the poor problem of current concrete freeze thawing test equipment barrier propterty.

In order to achieve the above object, the utility model provides a following technical scheme: a concrete freeze-thaw test device comprises a buffer shell and a device main body, wherein the bottom of the device main body penetrates through an inner cavity of the buffer shell and is fixedly connected with a buffer plate, buffer components are arranged around the bottom of the buffer plate, each buffer component comprises four telescopic rods, the top of each telescopic rod is fixedly connected with a buffer block, the top of each buffer block is fixedly connected with the periphery of the bottom of the buffer plate, the bottom of each telescopic rod is fixedly connected with a buffer seat, the bottom of each buffer seat is fixedly connected with the periphery of the bottom of the inner cavity of the buffer shell, a compression spring is sleeved on the surface of each telescopic rod, the bottom of each compression spring is fixedly connected with the top of each buffer seat, fixed plates are fixedly connected to two sides of the bottom of the buffer plate, buffer springs are fixedly connected to the front side and the rear side of the bottom of each fixed plate, and mounting plates are fixedly connected to the bottoms of the buffer springs, the mounting panel is characterized in that the front side and the rear side of the top of the mounting panel are both provided with buffering elastic pieces, the tops of the buffering elastic pieces are fixedly connected with the bottom of the fixing plate, the bottom of the buffering plate is fixedly connected with a connecting block, two sides of the connecting block are both provided with pull rods through movable shaft swing connections, and the bottoms of the pull rods are provided with stabilizing blocks through movable shaft swing connections.

Preferably, first chutes are formed in two sides of the bottom of the inner cavity of the buffer shell, first sliding blocks are connected to the inner cavity of the first chutes in a sliding mode, and the tops of the first sliding blocks are fixedly connected with the bottoms of the stabilizing blocks.

Preferably, the second sliding grooves are formed in two sides of the inner cavity of the buffer shell, the inner cavity of each second sliding groove is connected with a second sliding block in a sliding mode, and the inner sides of the second sliding blocks are fixedly connected with two sides of the buffer plate.

Preferably, the bottom of the connecting block is fixedly connected with a damping spring through a fixing block, and the bottom of the damping spring is fixedly connected with the bottom of the inner cavity of the buffer shell through the fixing block.

Preferably, the bottom of the buffer shell is fixedly connected with an anti-slip pad, the bottom of the anti-slip pad is provided with anti-slip lines, the right side of the top of the equipment main body is provided with a box cover through a hinge, and the top of the box cover is provided with a handle.

Preferably, the front side and the rear side of the buffer plate are fixedly connected with sliding sleeves, inner cavities of the sliding sleeves are connected with sliding rods in a sliding mode, and the tops and the bottoms of the sliding rods are fixedly connected with the tops and the bottoms of the inner cavities of the buffer shells.

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

1. the utility model discloses a buffering shell, the equipment main part, the buffer board, the buffering subassembly, the connecting block, the pull rod, the stabilizing block, first spout, the second spout, damping spring, the setting of case lid and slide bar, the advantage that protective properties is good has been reached, the problem that current concrete freeze thawing test equipment protective properties is poor has been solved, test equipment can carry out effectual buffering because of the vibration that external force produced, the effort that test equipment during operation produced can not influence the result of use in later stage simultaneously, long-term use can not cause test equipment to appear damaging, test equipment's life has been prolonged.

2. The utility model discloses a set up the mounting panel, played fixed effect to buffering shell fragment and buffer spring, prevented that the problem that drops from appearing in buffering shell fragment and buffer spring when work is used, increased the stability of buffering shell fragment and buffer spring during operation, through setting up first spout and first slider, played the effect of removing the stability to the stabilizing block, solved the problem that the stabilizing block appears rocking when removing.

3. The utility model discloses a set up damping spring, can effectively reduce the dynamics of buffer board to further improve the shock attenuation effect, through setting up telescopic link and compression spring, avoided the phenomenon that direct collision appears in the inner wall of buffer board and buffering shell, play the effect of protection to buffer board and buffering shell, thereby prolonged the life of buffer board and buffering shell.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the buffering shell structure of the present invention;

fig. 3 is a left side sectional view of the buffer shell structure of the present invention.

In the figure: 1. a buffer shell; 2. an apparatus main body; 3. a buffer plate; 4. a buffer assembly; 401. a telescopic rod; 402. a buffer seat; 403. a compression spring; 404. a fixing plate; 405. a buffer spring; 406. mounting a plate; 407. a buffering elastic sheet; 5. connecting blocks; 6. a pull rod; 7. a stabilizing block; 8. a first chute; 9. a second chute; 10. a damping spring; 11. a box cover; 12. a slide bar.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model is usually placed when in use, and are used for convenience of description and simplification of description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a concrete freeze-thaw test device comprises a buffer shell 1 and a device main body 2, wherein the bottom of the device main body 2 penetrates into an inner cavity of the buffer shell 1 and is fixedly connected with a buffer plate 3, the periphery of the bottom of the buffer plate 3 is provided with buffer components 4, each buffer component 4 comprises four telescopic rods 401, the number of the telescopic rods 401 is four, the top of each telescopic rod 401 is fixedly connected with a buffer block, the top of each buffer block is fixedly connected with the periphery of the bottom of the buffer plate 3, the bottom of each telescopic rod 401 is fixedly connected with a buffer seat 402, the bottom of each buffer seat 402 is fixedly connected with the periphery of the bottom of the inner cavity of the buffer shell 1, the surface of each telescopic rod 401 is sleeved with a compression spring, the bottom of each compression spring 403 is fixedly connected with the top of each buffer seat 402, two sides of the bottom of the buffer plate 3 are fixedly connected with a fixing plate 404, and the front side and the rear side of the bottom of each fixing plate 404 are fixedly connected with a buffer spring 405, the bottom of the buffer spring 405 is fixedly connected with a mounting plate 406, the front side and the rear side of the top of the mounting plate 406 both buffer elastic sheets 407, the top of the buffer elastic sheet 407 is fixedly connected with the bottom of the fixing plate 404, the bottom of the buffer plate 3 is fixedly connected with a connecting block 5, both sides of the connecting block 5 are movably connected with pull rods 6 through movable shafts, and the bottom of the pull rods 6 is movably connected with a stabilizing block 7 through the movable shafts;

the two sides of the bottom of the inner cavity of the buffer shell 1 are both provided with a first sliding chute 8, the inner cavity of the first sliding chute 8 is connected with a first sliding block in a sliding manner, the top of the first sliding block is fixedly connected with the bottom of the stabilizing block 7, and the buffer elastic sheet 407 and the buffer spring 405 are fixed by arranging the mounting plate 406, so that the problem that the buffer elastic sheet 407 and the buffer spring 405 fall off during working and use is prevented, and the stability of the buffer elastic sheet 407 and the buffer spring 405 during working is improved;

the two sides of the inner cavity of the buffer shell 1 are both provided with a second sliding chute 9, the inner cavity of the second sliding chute 9 is connected with a second sliding block in a sliding manner, the inner side of the second sliding block is fixedly connected with the two sides of the buffer plate 3, and the first sliding chute 8 and the first sliding block are arranged, so that the stabilizing block 7 is moved stably, and the problem that the stabilizing block 7 shakes during moving is solved;

the bottom of the connecting block 5 is fixedly connected with a damping spring 10 through a fixing block, the bottom of the damping spring 10 is fixedly connected with the bottom of the inner cavity of the buffer shell 1 through the fixing block, and the damping spring 10 is arranged, so that the force of the buffer plate 3 can be effectively reduced, and the damping effect is further improved;

the bottom of the buffer shell 1 is fixedly connected with an anti-slip pad, anti-slip lines are arranged at the bottom of the anti-slip pad, the right side of the top of the equipment main body 2 is provided with a box cover 11 through a hinge, the top of the box cover 11 is provided with a handle, and by arranging a telescopic rod 401 and a compression spring 403, the phenomenon that the buffer plate 3 and the inner wall of the buffer shell 1 are directly collided is avoided, the buffer plate 3 and the buffer shell 1 are protected, and therefore the service lives of the buffer plate 3 and the buffer shell 1 are prolonged;

the equal fixedly connected with sliding sleeve of front side and the rear side of buffer board 3, and the inner chamber sliding connection of sliding sleeve has slide bar 12, the top and the bottom of slide bar 12 and the top and the bottom fixed connection of 1 inner chamber of buffer shell, through buffer shell 1, equipment main part 2, buffer board 3, buffer module 4, connecting block 5, pull rod 6, stabilizing block 7, first spout 8, second spout 9, damping spring 10, case lid 11 and slide bar 12's setting, the advantage that barrier propterty is good has been reached, the poor problem of current concrete freeze thawing test equipment barrier propterty has been solved, test equipment can carry out effectual buffering because of the vibration that external force produced, the effort that test equipment during operation produced can not influence the result of use in later stage simultaneously, long-term use can not cause test equipment to appear damaging, test equipment's life has been prolonged.

When the device is used, when the device main body 2 applies downward pressure, the device main body 2 transmits downward acting force to the buffer plate 3, the buffer plate 3 transmits acting force to the damping spring 10 through the connecting block 5 and the fixing block, the reaction force of the damping spring 10 counteracts the acting force applied from the upper side, meanwhile, the connecting block 5 transmits acting force to the stabilizing block 7 through the pull rod 6, the stabilizing block 7 attenuates the acting force applied from the upper side through the first sliding block and the first sliding groove 8, the buffer plate 3 transmits acting force to the telescopic rod 401 and the compression spring 403 through the buffer seat 402, the reaction force of the compression spring 403 counteracts the acting force transmitted from the upper side, the synchronous buffer plate 3 transmits acting force to the buffer elastic sheet 407 and the buffer spring 405 through the fixing plate 404, and the reaction force of the buffer elastic sheet 407 and the buffer spring 405 counteracts and absorbs the acting force applied from the upper side again, the concrete freezing and thawing test equipment has the advantages that the good protection effect is achieved on the equipment main body 2, the problem that the existing concrete freezing and thawing test equipment is poor in protection performance is solved, the test equipment can effectively buffer vibration generated by external force, the acting force generated during the working process of the test equipment cannot influence the using effect in the later stage, the test equipment cannot be damaged after long-term use, and the service life of the test equipment is prolonged.

The standard parts used in this application document all can be purchased from the market, and can be customized according to the record of description and drawings, the concrete connection mode of each part all adopts conventional means such as mature bolt, rivet, welding among the prior art, machinery, part and equipment all adopt conventional model among the prior art, the control mode is automatic control through the controller, the control circuit of controller can realize through technical staff's simple programming in this field, belong to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail, and the peripheral controller that mentions in the description can play the control role for the electrical components that this article mention, and this peripheral controller is conventional known equipment.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. It should be noted that there are infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that various improvements, decorations or changes can be made without departing from the principles of the present invention, and the technical features can be combined in a suitable manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. The utility model provides a concrete freeze-thaw test equipment, includes buffering shell (1) and equipment main part (2), its characterized in that: the bottom of the equipment main body (2) penetrates through an inner cavity of the buffer shell (1) and is fixedly connected with a buffer plate (3), buffer assemblies (4) are arranged around the bottom of the buffer plate (3), each buffer assembly (4) comprises a telescopic rod (401), the number of the telescopic rods (401) is four, the top of each telescopic rod (401) is fixedly connected with a buffer block, the top of each buffer block is fixedly connected with the periphery of the bottom of the buffer plate (3), the bottom of each telescopic rod (401) is fixedly connected with a buffer seat (402), the bottom of each buffer seat (402) is fixedly connected with the periphery of the bottom of the inner cavity of the buffer shell (1), a compression spring (403) is sleeved on the surface of each telescopic rod (401), the bottom of each compression spring (403) is fixedly connected with the top of each buffer seat (402), and fixing plates (404) are fixedly connected to the two sides of the bottom of each buffer plate (3), the utility model discloses a buffer structure, including fixed plate (404), the equal fixedly connected with buffer spring (405) of front side and the rear side of fixed plate (404) bottom, the bottom fixedly connected with mounting panel (406) of buffer spring (405), shell fragment (407) are all cushioned to the front side and the rear side at mounting panel (406) top, the top of buffering shell fragment (407) and the bottom fixed connection of fixed plate (404), the bottom fixedly connected with connecting block (5) of buffer board (3), the both sides of connecting block (5) all have pull rod (6) through loose axle swing joint, there is stable piece (7) bottom of pull rod (6) through loose axle swing joint.

2. A concrete freeze-thaw test apparatus according to claim 1, wherein: first spout (8) have all been seted up to the both sides of buffer shell (1) inner chamber bottom, the inner chamber sliding connection of first spout (8) has first slider, and the top of first slider and the bottom fixed connection of stabilizing block (7).

3. A concrete freeze-thaw test apparatus according to claim 1, wherein: second spout (9) have all been seted up to the both sides of buffer shell (1) inner chamber, the inner chamber sliding connection of second spout (9) has the second slider, and the inboard both sides fixed connection with buffer board (3) of second slider.

4. A concrete freeze-thaw test apparatus according to claim 1, wherein: the damping device is characterized in that the bottom of the connecting block (5) is fixedly connected with a damping spring (10) through a fixing block, and the bottom of the damping spring (10) is fixedly connected with the bottom of the inner cavity of the buffer shell (1) through the fixing block.

5. A concrete freeze-thaw test apparatus according to claim 1, wherein: the bottom of the buffer shell (1) is fixedly connected with an anti-slip pad, the bottom of the anti-slip pad is provided with anti-slip lines, the right side of the top of the equipment main body (2) is provided with a box cover (11) through a hinge, and the top of the box cover (11) is provided with a lifting handle.

6. A concrete freeze-thaw test apparatus according to claim 1, wherein: the equal fixedly connected with sliding sleeve of front side and the rear side of buffer board (3), and the inner chamber sliding connection of sliding sleeve has slide bar (12), the top and the bottom of slide bar (12) and the top and the bottom fixed connection of buffer shell (1) inner chamber.