CN218239721U

CN218239721U - Concrete penetration resistance tester

Info

Publication number: CN218239721U
Application number: CN202222479953.3U
Authority: CN
Inventors: 叶飞; 查小庆; 徐连云; 李传响; 林贤云
Original assignee: Anhui Heda Engineering Testing Co ltd
Current assignee: Anhui Heda Engineering Testing Co ltd
Priority date: 2022-09-17
Filing date: 2022-09-17
Publication date: 2023-01-06
Anticipated expiration: 2032-09-17

Abstract

The application discloses a concrete penetration resistance tester, which belongs to the technical field of concrete detection and comprises a machine base, wherein a support seat is fixedly connected to one side of the machine base, a slide rod is fixedly connected to the support seat, a support arm is arranged on the slide rod, a test head is installed at one end of the support arm, a distance measuring assembly is arranged on the support arm and comprises a sleeve and a measuring rod, one end of the measuring rod is installed on the support arm, a telescopic groove is formed in the sleeve, the other end of the measuring rod is connected to the side wall of the telescopic groove in a sliding mode, a containing barrel for containing a concrete sample is placed on the support seat, and one end of the sleeve is abutted against the surface of the concrete sample in the containing barrel; the supporting arm is provided with a driving component used for pushing the test head to move. This application has and pushes down the back at the test head at every turn, utilizes drive assembly drive test head to reply and measuring stick mark height to make the distance on test head and concrete sample surface at every turn can keep the same, and then be convenient for reach the effect that reduces the testing result error.

Description

Concrete penetration resistance tester

Technical Field

The application relates to the technical field of concrete detection, in particular to a concrete penetration resistance tester.

Background

The concrete penetration resistance tester is an instrument for testing the setting time of concrete mixture, utilizes the penetration resistance method to test the setting time of concrete, adopts the lever principle, and has the characteristics of convenient reading and accurate measurement.

The utility model discloses a chinese utility model patent that the relevant art can refer to the grant publication number for CN215115729U discloses a concrete penetration resistance apparatus, including the frame, frame one side fixedly connected with supporting seat, supporting seat upper end fixedly connected with slide bar, the display panel is installed to the slide bar upper end, is provided with the support arm on the slide bar, installs the lever on the support arm, and testing arrangement is installed to one side of support arm, and testing arrangement installs the test head in one end, and testing arrangement's other end and lever fixed connection.

In view of the above-mentioned related art, the inventor thinks that in the process of detecting the concrete setting time, it is necessary to press the test head several times to make the test head penetrate into the concrete, and then judge the concrete setting time according to the indication number of the display panel, but because it is difficult to keep the same distance between the test head and the surface of the concrete sample every time, the possibility of detection result error is increased.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility of detection result errors, the application provides a concrete penetration resistance tester.

The application provides a concrete penetration resistance apparatus adopts following technical scheme:

a concrete penetration resistance tester comprises a machine base, wherein a supporting seat is fixedly connected to one side of the machine base, a sliding rod is fixedly connected to the supporting seat, a display panel is mounted at the upper end of the sliding rod, a sliding groove is formed in the sliding rod, a supporting arm is slidably connected to the side wall of the sliding groove, an adjusting component for adjusting the sliding of the supporting arm along the side wall of the sliding groove is arranged at one end of the supporting arm, a testing head is mounted at the other end of the supporting arm, a distance measuring component is arranged on the supporting arm and comprises a sleeve and a measuring rod, one end of the measuring rod is mounted on the supporting arm, a telescopic groove is formed in the sleeve, the other end of the measuring rod is slidably connected to the side wall of the telescopic groove, a containing barrel containing a concrete sample is placed on the supporting seat, and one end of the sleeve abuts against the surface of the concrete sample in the containing barrel; and the supporting arm is provided with a driving assembly for pushing the test head to move.

By adopting the technical scheme, before concrete setting time detection is carried out, a worker drives the supporting arm to move to a position suitable for the height of the containing barrel by using the adjusting assembly, then one end of the sleeve is abutted against a concrete sample in the containing barrel, then the driving assembly is used for driving the testing head to move, and the initial height of the testing head from the concrete sample is determined by marking the height of the testing head on the measuring rod; after the test head detects and pushes down at every turn, the staff utilizes drive assembly drive test head to reply with the height of measuring rod mark to make the distance on test head and concrete sample surface can keep the same at every turn, and then be convenient for reach the possibility that reduces the testing result error.

Preferably, the support arm is provided with a moving groove, one end of the measuring rod is fixedly connected with a sliding block, and the sliding block is connected to the side wall of the moving groove in a sliding manner.

Through adopting above-mentioned technical scheme, when detecting the concrete in the splendid attire bucket of different cross-section radiuses, through promoting the measuring stick for the measuring stick drives the sliding block and slides along the lateral wall of sliding tray, makes the sleeve offset with the concrete in the splendid attire bucket of different cross-section radiuses.

Preferably, the measuring rod is provided with a first scale.

Through adopting above-mentioned technical scheme, utilize first scale, at the in-process that the test head removed, the reading that the direct reading test head is located first scale has reduced the degree of difficulty of injecing the test head position.

Preferably, the driving assembly comprises a motor and a screw rod, a support frame is installed on the support wall, the motor is installed on the support frame, a connecting rod is fixedly connected to the test head, a connecting groove is formed in the connecting rod, the screw rod is fixedly connected to an output shaft of the motor, and the screw rod is in threaded connection with the side wall of the connecting groove.

Through adopting above-mentioned technical scheme, at the in-process that the drive test head removed, the staff opened the motor, and the output shaft of motor rotates the drive lead screw and rotates, and the lead screw rotates the drive connecting rod and removes, and the connecting rod removes and drives the test head and remove.

Preferably, the connecting rod is fixedly connected with a limiting block, and the limiting block can be abutted to the supporting arm.

By adopting the technical scheme, the limiting block is arranged, and the possibility that the connecting rod slides down from the screw rod is reduced.

Preferably, the machine base is fixedly connected with a mounting plate, the containing barrel is placed on the mounting plate, and a fixing part for fixing the position of the containing barrel is arranged on the mounting plate.

Through adopting above-mentioned technical scheme, before fixed splendid attire bucket position, place the splendid attire bucket on the mounting panel earlier, the position of the fixed splendid attire bucket of rethread mounting piece to the in-process at the test has been reduced, the possibility of the position emergence skew of splendid attire bucket.

Preferably, the fixing part is two arc-shaped plates corresponding to the two arc-shaped plates, the mounting plate is provided with two adjusting grooves, the two arc-shaped plates are fixedly connected with adjusting blocks, the two adjusting blocks are correspondingly and slidably connected to the side walls of the two adjusting grooves one by one, and the two arc-shaped plates are abutted against the side wall of the containing barrel; and the two adjusting blocks are connected with bolts through threads, and the bolts can be abutted to the side walls of the adjusting grooves.

Through adopting above-mentioned technical scheme, at the in-process of fixed splendid attire bucket position, promote two arc pieces and remove, two arc piece removal drive two bar pieces that correspond slide along the lateral wall of adjustment tank for two arcs offset with the outer wall of splendid attire bucket simultaneously, offset the rigidity that makes two bar pieces through the lateral wall of screwing up two bolts and adjustment tank afterwards, thereby be convenient for reach the purpose of fixed splendid attire bucket position.

Preferably, corresponding to the two adjusting grooves, a second scale is arranged on the side wall of the fixing groove.

Through adopting above-mentioned technical scheme, utilize the second scale, be convenient for adjust the position that two arcs are fixed in the fixed slot with the splendid attire bucket.

In summary, the present application includes at least one of the following beneficial technical effects:

1. before concrete setting time detection is carried out, a worker drives the supporting arm to move to a position suitable for the height of the containing barrel by using the adjusting assembly, then one end of the sleeve is abutted against a concrete sample in the containing barrel, then the driving assembly drives the testing head to move, and the initial height of the testing head from the concrete sample is determined by marking the height of the testing head on the measuring rod; after the testing head is pressed down for each detection, the worker drives the testing head to return to the height of the measuring rod mark by using the driving assembly, so that the distance between the testing head and the concrete sample can be kept the same each time, and the possibility of reducing the error of the detection result is facilitated;

2. when concrete in the containing barrels with different section radiuses is detected, the measuring rod is pushed to drive the sliding block to slide along the side wall of the sliding groove, so that the sleeve can be abutted against the concrete in the containing barrels with different section radiuses;

3. in the process of fixing the position of the containing barrel, the two arc-shaped blocks are pushed to move, the two arc-shaped blocks move to drive the two corresponding bar-shaped blocks to slide along the side wall of the adjusting groove, so that the two arc-shaped plates are simultaneously abutted against the outer wall of the containing barrel, and then the two bolts are screwed down to offset against the side wall of the adjusting groove to fix the position of the two bar-shaped blocks, so that the aim of fixing the position of the containing barrel is fulfilled conveniently.

Drawings

FIG. 1 is a schematic view of the overall structure of a concrete penetration resistance measuring instrument according to an embodiment of the present application.

FIG. 2 is a cross-sectional view of the mounting plate highlighting the anchor of an embodiment of the present application.

FIG. 3 is a cross-sectional view of a connecting rod highlighting a drive assembly of an embodiment of the present application.

FIG. 4 is a cross-sectional view of the support arm highlighting the ranging assembly of an embodiment of the present application.

Description of the reference numerals: 1. a machine base; 11. a supporting seat; 12. a containing barrel; 2. a slide bar; 21. a display panel; 22. a chute; 3. a support arm; 31. a test head; 32. a test well; 4. an adjustment assembly; 41. a threaded rod; 42. a slider; 43. a support bar; 5. a ranging assembly; 51. a sleeve; 52. a measuring rod; 53. a telescopic groove; 54. a moving groove; 55. a moving block; 56. a first scale; 6. a drive assembly; 61. a motor; 62. a lead screw; 63. a support frame; 64. a connecting rod; 65. connecting grooves; 66. a limiting block; 7. mounting a plate; 8. a fixing member; 81. an arc-shaped plate; 82. an adjustment groove; 83. a regulating block; 84. a bolt; 9. and a second scale.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a concrete penetration resistance tester. Referring to fig. 1 and 2, the concrete penetration resistance tester comprises a base 1, wherein a supporting seat 11 is fixedly connected to one side of the base 1, a sliding rod 2 is arranged on the supporting seat 11, one end of the sliding rod 2 is fixedly connected to the supporting seat 11, and a display disc 21 is arranged at the other end of the sliding rod 2;

the mounting plate 7 is fixedly connected to the machine base 1, an adjusting groove 82 is formed in the mounting plate 7, a containing barrel 12 for containing concrete is placed in the adjusting groove 82, and a fixing piece 8 for fixing the position of the containing barrel 12 is arranged in the adjusting groove 82; the fixing part 8 comprises two arc-shaped plates 81, the two arc-shaped plates 81 are oppositely arranged, two adjusting grooves 82 are formed in the mounting plate 7, adjusting blocks 83 are fixedly connected to the two arc-shaped plates 81, the two adjusting blocks 83 are slidably connected to the side walls of the two adjusting grooves 82 in a one-to-one correspondence manner, the two arc-shaped plates 81 can abut against the outer wall of the containing barrel 12 and correspond to the two adjusting grooves 82, and two groups of second scales 9 are arranged on the mounting plate 7; the two adjusting blocks 83 are connected with bolts 84 through threads, and the two adjusting blocks 83 are fixed in positions through the bolts 84.

Before detecting, the staff places the splendid attire bucket 12 that contains the concrete sample on mounting panel 7, promotes two arcs 81 afterwards and makes two arcs 81 offset with the lateral wall of splendid attire bucket 12 simultaneously, screws up bolt 84 again and makes bolt 84 and the lateral wall of adjustment tank 82 offset, then through two sets of second scale 9 on observing mounting panel 7, is convenient for reach the purpose of fixed splendid attire bucket 12 position.

As shown in fig. 1 and fig. 3, a sliding groove 22 has been opened on the sliding rod 2, the sliding groove 22 extends along the axis direction of the sliding rod 2, a supporting arm 3 is slidably connected to the side wall of the sliding groove 22, one end of the supporting arm 3 is provided with an adjusting component 4 for adjusting the sliding rod 2 along the side wall of the sliding groove 22, a testing hole 32 has been opened at the other end of the supporting arm 3, a testing head 31 is installed on the supporting arm 3, the testing head 31 is arranged in the testing hole 32 in a penetrating manner, and a driving component 6 for driving the testing head 31 to move is installed on the supporting arm 3.

As shown in fig. 1, the adjusting assembly 4 includes a threaded rod 41 and a sliding block 42, a supporting rod 43 is disposed on the supporting seat 11, one end of the supporting rod 43 is fixedly connected to the supporting seat 11, the threaded rod 41 is rotatably connected to the supporting rod 43, and the threaded rod 41 and the supporting rod 43 are parallel to the sliding rod 2; the sliding block 42 is in threaded connection with the threaded rod 41, and one end of the supporting arm 3 is fixedly connected with the sliding block 42.

As shown in fig. 3, the driving assembly 6 includes a motor 61 and a screw 62, a supporting frame 63 is installed on the supporting arm 3, the motor 61 is installed on the supporting frame 63, the screw 62 is fixedly connected with an output shaft of the motor 61, a connecting rod 64 is fixedly connected to the test head 31, a connecting groove 65 is formed in the connecting rod 64, and the screw 62 is in threaded connection with a side wall of the connecting groove 65; two limit blocks 66 are fixedly connected to the connecting rod 64, and the two limit blocks 66 can be abutted to the support arm 3.

In the process of adjusting the slide bar 2, a worker firstly rotates the threaded rod 41, the threaded rod 41 rotates to drive the sliding block 42 to slide, and the sliding block 42 slides to drive the slide bar 2 to slide along the side wall of the sliding groove 22, so that the aim of adjusting the position of the slide bar 2 is fulfilled; in the process of driving the test head 31 to move, a worker turns on the motor 61, an output shaft of the motor 61 rotates to drive the lead screw 62 to rotate, the lead screw 62 rotates to drive the driving connecting rod 64 to move, and the connecting rod 64 moves to drive the test head 31 to move, so that the aim of driving the test head 31 to move is achieved; by providing the stop block 66, the likelihood of the connecting rod 64 slipping off the lead screw 62 is reduced.

As shown in fig. 4, a distance measuring assembly 5 is arranged on the supporting wall, the distance measuring assembly 5 includes a sleeve 51 and a measuring rod 52, one end of the measuring rod 52 is fixedly connected with a moving block 55, the supporting arm 3 is provided with a moving groove 54, wherein the moving block 55 is a dovetail block, the moving groove 54 is a dovetail groove, one end of the measuring rod 52 is slidably connected to the side wall of the moving groove 54 through the moving block 55, the sleeve 51 is provided with a telescopic groove 53, the other end of the measuring rod 52 is slidably connected to the side wall of the telescopic groove 53, and a certain friction force exists between the measuring rod 52 and the telescopic groove 53; one end of the sleeve 51 is abutted against the concrete in the containing barrel 12, and the measuring rod 52 is provided with a first scale 56.

By providing the ranging assembly 5 while observing the first scale 56 on the measuring rod 52, the distance of the test head 31 from the surface of the concrete sample can be controlled at a time.

The implementation principle of the concrete penetration resistance tester in the embodiment of the application is as follows: before concrete setting time detection is carried out, a worker drives the supporting arm 3 to move to a position suitable for the height of the containing barrel 12 by using the adjusting assembly 4, then one end of the sleeve 51 is abutted against a concrete sample in the containing barrel 12, then the driving assembly 6 is used for driving the testing head 31 to move, and the initial height of the testing head 31 from the concrete sample is determined by marking the height of the testing head 31 on the measuring rod 52; after the testing head 31 is pressed down each time, the worker drives the testing head 31 to return to the height marked by the measuring rod 52 by using the driving component 6, so that the distance between the testing head 31 and the concrete sample can be kept the same each time, and the possibility of reducing the error of the detection result is facilitated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete penetration resistance apparatus, includes frame (1), frame (1) one side fixedly connected with supporting seat (11), fixedly connected with slide bar (2) are gone up in supporting seat (11), display panel (21) are installed to slide bar (2) upper end, spout (22) have been seted up on slide bar (2), sliding connection has support arm (3) on the lateral wall of spout (22), the one end of support arm (3) is provided with adjusts support arm (3) along spout (22) gliding adjusting part (4) of lateral wall, test head (31), its characterized in that are installed to support arm (3) other end: a distance measuring assembly (5) is arranged on the supporting arm (3), the distance measuring assembly (5) comprises a sleeve (51) and a measuring rod (52), one end of the measuring rod (52) is installed on the supporting arm (3), a telescopic groove (53) is formed in the sleeve (51), the other end of the measuring rod (52) is connected to the side wall of the telescopic groove (53) in a sliding mode, a containing barrel (12) for containing a concrete sample is placed on the supporting seat (11), and one end of the sleeve (51) abuts against the surface of the concrete sample in the containing barrel (12); the supporting arm (3) is provided with a driving component (6) for pushing the testing head (31) to move.

2. The concrete penetration resistance tester according to claim 1, wherein: a moving groove (54) is formed in the supporting arm (3), a moving block (55) is fixedly connected to one end of the measuring rod (52), and the moving block (55) is connected to the side wall of the moving groove (54) in a sliding mode.

3. The concrete penetration resistance tester according to claim 1, wherein: the measuring rod (52) is provided with a first scale (56).

4. The concrete penetration resistance tester according to claim 1, wherein: drive assembly (6) include motor (61) and lead screw (62), install support frame (63) on support arm (3), motor (61) install in on support frame (63), fixedly connected with connecting rod (64) on test head (31), spread groove (65) have been seted up on connecting rod (64), lead screw (62) fixed connection in on the output shaft of motor (61), lead screw (62) with the lateral wall threaded connection of spread groove (65).

5. The concrete penetration resistance tester according to claim 4, wherein: the connecting rod (64) is fixedly connected with a limiting block (66), and the limiting block (66) can be abutted to the supporting arm (3).

6. The concrete penetration resistance tester according to claim 1, wherein: fixedly connected with mounting panel (7) on frame (1), storage bucket (12) place in on mounting panel (7), be provided with on mounting panel (7) and be used for fixing mounting (8) of storage bucket (12) position.

7. The concrete penetration resistance tester according to claim 6, wherein: the fixing piece (8) is composed of two arc-shaped plates (81), the two arc-shaped plates (81) correspond to each other, two adjusting grooves (82) are formed in the mounting plate (7), adjusting blocks (83) are fixedly connected to the two arc-shaped plates (81), the two adjusting blocks (83) are correspondingly slidably connected to the side walls of the two adjusting grooves (82) one by one, and the two arc-shaped plates (81) are abutted to the side wall of the containing barrel (12); bolts (84) are arranged on the two adjusting blocks (83), and the bolts (84) can abut against the side wall of the adjusting groove (82).

8. The concrete penetration resistance tester according to claim 7, wherein: corresponding to the two adjusting grooves (82), two groups of second scales (9) are arranged on the mounting plate (7).