Concrete compression resistance detection device

Abstract

The utility model discloses a concrete compression resistance detection device which comprises a workbench, a lead screw driving mechanism arranged on the workbench, a lead screw installation assembly arranged on the lead screw driving mechanism and driven by the lead screw driving mechanism in a linkage mode, a cross beam arranged at the top of the lead screw installation assembly and a sliding cross beam connected with the lead screw installation assembly. The lower compression-resistant head is arranged on the lead screw driving mechanism, the upper compression-resistant head is arranged at the bottom of the sliding cross beam, the lower material receiving box is arranged on the lower compression-resistant head in a sleeving mode and arranged on the lead screw driving mechanism, the upper supporting plate is arranged at the bottom of the sliding cross beam, the self-recovery side curtain mechanism is arranged on the side edge of the upper supporting plate, and the bottom of the self-recovery side curtain mechanism is hung in the lower material receiving box. The sliding supporting columns are arranged on the front portion and the rear portion of the upper supporting plate, the sliding supporting columns are sleeved with the front acrylic plate and the rear acrylic plate in a sliding mode, and the lower portions of the front acrylic plate and the rear acrylic plate are placed on the lead screw driving mechanism or the lower material receiving box.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete column sample compression test, in particular to a concrete compression detection device. Background Art

[0002] The concrete compression test device in this technology is used to test the compression of concrete column samples. At present, the compression test equipment in the prior art, such as the Chinese utility model with the patent publication number CN220568577U and the name of a concrete bending and compression machine, is provided with a support device and a test device. The sample to be tested is completely exposed to the outside, which is convenient for observation, but not every sample can withstand the preset pressure, that is, after the sample that fails to resist the compression is broken or crushed, concrete dust splashes everywhere. In addition, if the test device adopts a screw drive type, it is provided with grease (oil) on the screw, such as the Chinese invention patent with the patent publication number: CN116104273A and the name: a high-strength inorganic stone plate and its strength test device, and the Chinese utility model with the patent publication number: CN218470366U and the name: a new type of concrete compression strength tester. When concrete dust sticks to the grease (oil) of the screw, it affects the screw drive. Therefore, the screw needs to be cleaned and re-greased with grease (oil).

[0003] Therefore, there is an urgent need to propose a concrete compression testing device with simple structure and reliable protection. Utility Model Content

[0004] In view of the above problems, the purpose of the present invention is to provide a concrete compression testing device. The technical solution adopted by the present invention is as follows:

[0005] A concrete compression test device is used to perform compression test on a test sample, and comprises a workbench, a screw drive mechanism arranged on the workbench, a screw mounting assembly arranged on the screw drive mechanism and driven by the screw drive mechanism, a crossbeam arranged on the top of the screw mounting assembly, a sliding crossbeam connected to the screw mounting assembly, a lower compression head arranged on the screw drive mechanism, an upper compression head arranged at the bottom of the sliding crossbeam, a lower material receiving box sleeved on the lower compression head and placed on the screw drive mechanism, and an upper support plate arranged at the bottom of the sliding crossbeam. A self-retracting side curtain mechanism is arranged on the side of the upper support plate and the bottom is hung in the lower material receiving box, a plurality of sliding support columns are arranged at the front and rear of the upper support plate, and a front acrylic plate and a rear acrylic plate are slidably sleeved on the sliding support columns and the lower part is placed on the screw drive mechanism or the lower material receiving box; the front acrylic plate and the rear acrylic plate are provided with sliding grooves in the longitudinal direction; the sliding support columns are arranged in the sliding grooves; the self-retracting side curtain mechanism, the front acrylic plate and the rear acrylic plate are placed around the test sample, and the test sample is protected from compression test.

[0006] Furthermore, a lead screw is arranged in the lead screw installation assembly along the longitudinal direction; a nut seat is sleeved on the lead screw; and the nut seat is fixed to the end of the sliding beam.

[0007] Furthermore, several side curtain hanging posts are arranged inside the side of the lower material receiving box; the self-recovering side curtain mechanism includes two mounting seats fixed on the side of the upper support plate, a winding tube arranged between the two mounting seats, a winding core tube arranged in the winding tube and with its end rotatably sleeved in the mounting seat, a winding spring arranged in the mounting seat and connected to the winding core tube, a side curtain wound on the winding core tube and passing through the winding tube, and a hanging hole arranged at the bottom of the side curtain; the hanging hole is hung on the side curtain hanging post.

[0008] Furthermore, a lower pressure-resistant head sleeve is arranged in the lower material receiving box, an upper circular ring is arranged on the lower pressure-resistant head sleeve, several support bars are arranged on the upper circular ring, and a support column is arranged on the support bar; the top of the support column is lower than the top plane of the lower pressure-resistant head; the lower pressure-resistant head sleeve is arranged in the lower pressure-resistant head sleeve and the upper circular ring.

[0009] Furthermore, the screw drive mechanism includes a drive box, a first mounting seat, a second mounting seat and a third mounting seat fixed in the drive box, a drive motor fixed on the first mounting seat, a first pulley arranged on the drive motor, a second pulley and a third pulley arranged on the second mounting seat and coaxially connected, a first belt arranged on the second pulley and the first pulley, a fourth pulley and a fifth pulley arranged at the end of the third mounting seat, and a second belt arranged on the third pulley, the fourth pulley and the fifth pulley; the fourth pulley and the fifth pulley are connected to the screw transmission; and the screw mounting assembly is installed on the drive box.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] (1) The utility model sets a self-recovering side curtain mechanism on the inner side of the screw mounting assembly, and hangs the side curtain on the inner side of the lower material receiving box to protect the inner side of the screw mounting assembly. In addition, the utility model sets a front acrylic plate and a rear acrylic plate to protect the front and rear of the test sample, thereby ensuring the reliability of the test sample protection and suppressing the dust of the cracked or broken concrete test sample to a certain extent.

[0012] (2) The utility model provides a lower material receiving box and adopts a lower pressure-resistant head sleeve sleeve to be sleeved on the lower pressure-resistant head, so as to facilitate the receiving of cracked or broken concrete and the collection of fallen concrete slag.

[0013] (3) The utility model provides a lower compression head sleeve, an upper ring, a support bar and a support column, which play a supporting role when the test sample is placed. When the lower compression head and the upper compression head are pressed, since the top of the support column is lower than the top plane of the lower compression head, the test sample is clamped parallel to the lower compression head and the upper compression head, ensuring that the test sample is installed and placed reliably during the installation and compression test.

[0014] In summary, the utility model has the advantages of simple structure and reliable protection, and has high practical value and promotion value in the technical field of compression test of concrete column specimens. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope of protection. For those skilled in the art, other relevant drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the utility model (removing the front acrylic plate).

[0018] Figure 3 It is a first partial enlarged schematic diagram of the utility model.

[0019] Figure 4 It is a second partial enlarged schematic diagram of the utility model.

[0020] Figure 5 This is a schematic diagram of the structure of the utility model after removing the protective components.

[0021] Figure 6 It is an internal schematic diagram of the screw drive mechanism of the utility model.

[0022] Figure 7 It is a structural schematic diagram of the lower material connection box of the utility model.

[0023] Figure 8 It is a structural schematic diagram of the self-retracting side curtain mechanism of the utility model.

[0024] In the above drawings, the component names corresponding to the reference numerals are as follows:

[0025] 1. Workbench; 2. Screw drive mechanism; 3. Lower material box; 4. Screw installation assembly; 5. Crossbeam; 6. Front acrylic plate; 7. Sliding crossbeam; 8. Upper support plate; 9. Rear acrylic plate; 10. Test sample; 11. Self-recovering side curtain mechanism; 12. Sliding support column; 13. Lower anti-pressure head; 14. Upper anti-pressure head; 15. Screw; 16. Nut seat; 31. Side curtain hanging column; 32. Lower anti-pressure head sleeve; 33. Upper ring; 34. Support bar; 3 5. Support column; 111. Rolling tube; 112. Mounting seat; 113. Rolling core tube; 114. Rolling spring; 115. Side curtain; 116. Hanging hole; 201. First mounting seat; 202. Second mounting seat; 203. Driving motor; 204. First pulley; 205. Second pulley; 206. First belt; 207. Third pulley; 208. Third mounting seat; 209. Fourth pulley; 210. Fifth pulley; 211. Second belt. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of this application clearer, the utility model is further described below in conjunction with the accompanying drawings and embodiments, and the implementation methods of this utility model include but are not limited to the following embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0027] In this embodiment, the term "and / or" is merely a term used to describe the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B may represent three situations: A exists alone, A and B exist at the same time, and B exists alone.

[0028] The terms "first" and "second" in the description and claims of this embodiment are used to distinguish different objects rather than to describe a specific order of objects. For example, a first target object and a second target object are used to distinguish different target objects rather than to describe a specific order of target objects.

[0029] In the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0030] In the description of the embodiments of the present application, unless otherwise specified, the meaning of "multiple" refers to two or more than two. For example, multiple processing units refer to two or more processing units; multiple systems refer to two or more systems.

[0031] like Figures 1 to 8 As shown, this embodiment provides a concrete compression test device for performing a compression test on a test sample 10, wherein the test sample 10 is in a cylindrical shape.

[0032] Specifically, the concrete compression resistance detection device includes a workbench 1, a screw drive mechanism 2 arranged on the workbench 1, a screw mounting assembly 4 arranged on the screw drive mechanism 2 and driven by the screw drive mechanism 2, a crossbeam 5 arranged on the top of the screw mounting assembly 4, a sliding crossbeam 7 connected to the screw mounting assembly 4, a lower anti-compression head 13 arranged on the screw drive mechanism 2, an upper anti-compression head 14 arranged at the bottom of the sliding crossbeam 7, a lower material receiving box 3 sleeved on the lower anti-compression head 13 and placed on the screw drive mechanism 2, an upper support plate 8 arranged at the bottom of the sliding crossbeam 7, a self-recovering side curtain mechanism 11 arranged on the side of the upper support plate 8 and the bottom of which is hung in the lower material receiving box 3, a plurality of sliding support columns 12 arranged at the front and rear of the upper support plate 8, and a front acrylic plate 6 and a rear acrylic plate 9 slidably sleeved on the sliding support columns 12 and the lower part of which is placed on the screw drive mechanism 2 or the lower material receiving box 3. A slide groove is provided on the front acrylic plate 6 and the rear acrylic plate 9 along the longitudinal direction, and a slide support column 12 is arranged in the slide groove. In this embodiment, when the test sample 10 is cracked or broken and dust is generated, two self-recovering side curtain mechanisms 11, the front acrylic plate 6 and the rear acrylic plate 9 are used to protect the surroundings of the test sample 10.

[0033] In this embodiment, the screw drive mechanism 2 includes a drive box, a first mounting seat 201, a second mounting seat 202 and a third mounting seat 208 fixed in the drive box, a drive motor 203 fixed on the first mounting seat 201, a first pulley 204 arranged on the drive motor 203, a second pulley 205 and a third pulley 207 arranged on the second mounting seat 202 and coaxially connected, a first belt 206 arranged on the second pulley 205 and the first pulley 204, a fourth pulley 209 and a fifth pulley 210 arranged at the end of the third mounting seat 208, and a second belt 211 arranged on the third pulley 207, the fourth pulley 209 and the fifth pulley 210. Among them, a screw 15 is arranged in the longitudinal direction in the screw mounting assembly 4, and a nut seat 16 is sleeved on the screw 15, and the nut seat 16 is fixed to the end of the sliding beam 7. In this embodiment, the lead screw mounting assembly 4 is fixed on the driving box, and the fourth pulley 209 and the fifth pulley 210 are in transmission connection with the lead screw 15. In this embodiment, the driving motor 203 is used to drive the first pulley 204, the second pulley 205, the third pulley 207, the fourth pulley 209, the fifth pulley 210 and the lead screw 15 to rotate, so as to drive the sliding beam 7 and the upper anti-pressure head 14 to move up and down.

[0034] The inner side protection of the lead screw mounting assembly 4 is as follows: a plurality of side curtain hanging posts 31 are arranged inside the side of the lower material receiving box 3. In addition, the self-recovering side curtain mechanism 11 includes two mounting seats 112 fixed to the side of the upper support plate 8, a reel 111 arranged between the two mounting seats 112, a reel core 113 arranged in the reel 111 and whose end is rotatably sleeved in the mounting seat 112, a reel spring 114 arranged in the mounting seat 112 and connected to the reel core 113, a side curtain 115 reeled on the reel core 113 and penetrating the reel 111, and a hanging hole 116 arranged at the bottom of the side curtain 115. In this embodiment, the hanging hole 116 is hung on the side curtain hanging post 31. In this embodiment, the side curtain 115 is rolled up by the coil spring 114 and the coil core tube 113. When the sliding beam 7 moves upward, the side curtain 115 is pulled out from the coil tube 111; and when the sliding beam 7 moves downward, the coil core tube 113 rolls up the side curtain 115.

[0035] In this embodiment, when the test sample 10 is placed on the lower anti-pressure head 13, it may happen that the test sample 10 is not placed centrally on the lower anti-pressure head 13, so the test sample 10 needs to be supported. Therefore, a lower anti-pressure head sleeve 32 is provided in the lower material receiving box 3, an upper ring 33 is provided on the lower anti-pressure head sleeve 32, several support bars 34 are provided on the upper ring 33, and a support column 35 is provided on the support bar 34. The lower anti-pressure head 13 is sleeved in the lower anti-pressure head sleeve 32 and the upper ring 33. Among them, the top of the support column 35 is lower than the top plane of the lower anti-pressure head 13. During the compression test of the test sample 10, the lower anti-pressure head 13 and the upper anti-pressure head 14 are pressed on the surface of the test sample 10, so that the test sample 10 is arranged horizontally, and it leaves the support of the support column 35.

[0036] In this embodiment, when taking out or putting in the test sample 10, the sliding crossbeam 7 moves upward, and the front acrylic plate 6 and / or the rear acrylic plate 9 are lifted manually or by the sliding crossbeam 7, so as to facilitate the placement and taking out of the test sample 10. In addition, when concrete slag appears in the lower material receiving box 3, the side curtain 115 is removed from the side curtain hanging column 31, the front acrylic plate 6 and the rear acrylic plate 9 are lifted, and the lower material receiving box 3 is removed upward, so that the concrete slag in the lower material receiving box 3 can be dumped.

[0037] The above embodiments are only preferred embodiments of the present utility model and are not intended to limit the protection scope of the present utility model. Any changes that adopt the design principles of the present utility model and are made through non-creative labor on this basis should fall within the protection scope of the present utility model.

Claims

1. A concrete compression test device for performing compression test on a test sample (10), characterized in that: The invention comprises a workbench (1), a screw drive mechanism (2) arranged on the workbench (1), a screw mounting assembly (4) arranged on the screw drive mechanism (2) and driven by the screw drive mechanism (2), a crossbeam (5) arranged on the top of the screw mounting assembly (4), a sliding crossbeam (7) connected to the screw mounting assembly (4), a lower anti-pressure head (13) arranged on the screw drive mechanism (2), an upper anti-pressure head (14) arranged at the bottom of the sliding crossbeam (7), a lower material receiving box (3) sleeved on the lower anti-pressure head (13) and placed on the screw drive mechanism (2), an upper support plate (8) arranged at the bottom of the sliding crossbeam (7), and a side surface of the upper support plate (8). , and a self-retracting side curtain mechanism (11) whose bottom is hung in the lower material receiving box (3), a plurality of sliding support columns (12) arranged at the front and rear of the upper support plate (8), and a front acrylic plate (6) and a rear acrylic plate (9) which are slidably mounted on the sliding support columns (12) and whose lower parts are placed on the screw drive mechanism (2) or the lower material receiving box (3); the front acrylic plate (6) and the rear acrylic plate (9) are provided with sliding grooves along the longitudinal direction; the sliding support columns (12) are arranged in the sliding grooves; the self-retracting side curtain mechanism (11), the front acrylic plate (6) and the rear acrylic plate (9) are placed around the test sample (10), and provide pressure resistance test protection for the test sample (10).

2. A concrete compression testing device according to claim 1, characterized in that: A screw (15) is arranged in the longitudinal direction inside the screw installation assembly (4); a nut seat (16) is sleeved on the screw (15); and the nut seat (16) is fixed to the end of the sliding beam (7).

3. A concrete compression testing device according to claim 1, characterized in that: A plurality of side curtain hanging posts (31) are arranged inside the side of the lower material receiving box (3); the self-recovering side curtain mechanism (11) comprises two mounting seats (112) fixed to the side of the upper support plate (8), a winding tube (111) arranged between the two mounting seats (112), a winding core tube (113) arranged in the winding tube (111) and having its end rotatably sleeved in the mounting seat (112), a winding spring (114) arranged in the mounting seat (112) and connected to the winding core tube (113), a side curtain (115) wound on the winding core tube (113) and penetrating the winding tube (111), and a hanging hole (116) arranged at the bottom of the side curtain (115); the hanging hole (116) is hung on the side curtain hanging post (31).

4. A concrete compression testing device according to claim 1, 2 or 3, characterized in that: A lower anti-pressure head sleeve (32) is arranged in the lower material receiving box (3), an upper circular ring (33) is arranged on the lower anti-pressure head sleeve (32), a plurality of support bars (34) are arranged on the upper circular ring (33), and a support column (35) is arranged on the support bar (34); the top of the support column (35) is lower than the top plane of the lower anti-pressure head (13); the lower anti-pressure head (13) is sleeved in the lower anti-pressure head sleeve (32) and the upper circular ring (33).

5. A concrete compression testing device according to claim 2, characterized in that: The screw drive mechanism (2) comprises a drive box, a first mounting seat (201), a second mounting seat (202) and a third mounting seat (208) fixed in the drive box, a drive motor (203) fixed on the first mounting seat (201), a first pulley (204) arranged on the drive motor (203), a second pulley (205) and a third pulley (207) arranged on the second mounting seat (202) and coaxially connected, a first belt (206) arranged on the second pulley (205) and the first pulley (204), a fourth pulley (209) and a fifth pulley (210) arranged at the end of the third mounting seat (208), and a second belt (211) arranged on the third pulley (207), the fourth pulley (209) and the fifth pulley (210); the fourth pulley (209) and the fifth pulley (210) are in transmission connection with the screw (15); and the screw mounting assembly (4) is mounted on the drive box.

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