CN213456486U

CN213456486U - Impact resistance tester

Info

Publication number: CN213456486U
Application number: CN202022512845.2U
Authority: CN
Inventors: 刘旭东; 阳秋红
Original assignee: Beijing Hangba Chengcheng Testing Technology Co ltd
Current assignee: Beijing Hangba Chengcheng Testing Technology Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-15
Anticipated expiration: 2030-11-03

Abstract

The application discloses impact resistance tester relates to the concrete detection field, and it includes the base, sets up the bearing mechanism on the base and spanes the portal frame of bearing mechanism, and vertical sliding connection has the slide bar on the portal frame, and the lower extreme of slide bar is provided with the impact ball that is located directly over the bearing mechanism, and the outer wall is provided with the scale mark. The application has the following advantages and effects: through setting up height position adjustable and the impact ball that can accurate regulation, carry out the hammering to the concrete test block, realize the accurate control of impact force size, guarantee the detection precision of concrete test block.

Description

Impact resistance tester

Technical Field

The application relates to the field of concrete detection, in particular to an impact resistance testing machine.

Background

Concrete is a general term for engineering composite materials in which aggregate is cemented into a whole by a cementing material, and is widely used in civil engineering. When the concrete is manufactured into a block shape, the impact resistance of the concrete needs to be detected so as to determine the impact resistance of the concrete and determine the application range of the concrete.

However, when the traditional concrete impact resistance detection equipment is used for detection, the impact pressure cannot be well controlled, so that when the concrete is subjected to impact resistance detection, the detection precision of the impact resistance of the concrete is influenced due to the fact that the impact resistance is small and large, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the detection precision, the application aims to provide an impact tester.

The application provides an impact tester adopts following technical scheme: the utility model provides an impact resistance tester, include the base, set up in bearing mechanism on the base and span bearing mechanism's portal frame, vertical sliding connection has the slide bar on the portal frame, the lower extreme of slide bar is provided with and is located the impact ball directly over the bearing mechanism, and the outer wall is provided with the scale mark.

Through adopting above-mentioned technical scheme, when testing the shock resistance of concrete, utilize bearing mechanism to carry out the bearing and fix the concrete test block, then control slide bar and impact ball upward movement to confirm behind the high position of impact ball according to the position of scale mark, loosen the slide bar, make impact ball and slide bar do the free fall motion, and hammer the concrete test block, realize the shock resistance of concrete test block and detect. Consequently through setting up the impact ball that height position is adjustable and can accurate regulation, carry out the hammering to the concrete test block, realize the accurate control of impact force size, guarantee the detection precision of concrete test block.

Optionally: the bearing mechanism comprises a pair of support rods arranged on the base side by side, the support rods are distributed on two sides of the impact ball, grooves for embedding two sides of concrete are formed in the inner wall of one side close to each other, and fastening mechanisms for fixing the concrete are arranged on the support rods.

Through adopting above-mentioned technical scheme, when detecting the concrete test block, in the recess on making the both sides embedding bracing piece of concrete test block, then utilize fastening device to fix the both sides of concrete test block, can realize the bearing and the fixing of concrete test block. Therefore, the structure is simple, and the bearing mechanism is stable in operation, so that the concrete test block can be quickly installed and stably fixed.

Optionally: the fastening mechanism comprises a vertically arranged fastening rod and a fastening plate horizontally arranged at the lower end of the fastening rod, the fastening rod is in threaded connection with the supporting rod, the fastening plate is rotatably connected with the fastening rod, and the fastening plate is located in the groove.

Through adopting above-mentioned technical scheme, when fixing the concrete test block, rotating anchorage bar drives the mounting plate and moves towards the concrete test block direction, realizes compressing tightly fixedly of concrete test block. Consequently, through setting up the structure succinctly to convenient operation's fastening device realizes compressing tightly fast of concrete test block fixedly, improves the detection efficiency of concrete test block.

Optionally: the lower end face of the supporting rod is provided with a dovetail block, a dovetail groove for the dovetail block to slide horizontally is horizontally arranged on the base, and a driving mechanism for controlling the dovetail blocks to approach or keep away from each other is arranged on the base.

Through adopting above-mentioned technical scheme, when examining the concrete test block to different width specifications, drive a pair of bracing piece through a pair of forked tail piece of actuating mechanism control and be close to each other or keep away from, realize the regulation of interval between a pair of bracing piece to be used for the concrete test block of the different specifications of adaptation, reached the effect of high suitability.

Optionally: the driving mechanism comprises a horizontally arranged bidirectional screw and hand wheels arranged at two ends of the bidirectional screw, the bidirectional screw penetrates through the base and is communicated with the dovetail groove, and the bidirectional screw is in threaded connection with the dovetail block.

Through adopting above-mentioned technical scheme, when a pair of dovetail piece of control is close to each other or keeps away from, drive two-way lead screw synchronous motion through rotating the hand wheel to through the screw-thread fit with the dovetail piece, realize the convenient control that a pair of dovetail piece is close to each other or keeps away from. Therefore, the driving mechanism with simple structure and convenient operation realizes the convenient control of the mutual approaching or separating of the pair of dovetail blocks.

Optionally: the base is provided with a piece of protective cloth used for covering the supporting mechanism and the lower end of the portal frame, and a locking mechanism is arranged between the piece of protective cloth and the portal frame.

Through adopting above-mentioned technical scheme, when detecting the concrete test block, the pulling protection cloth upward movement to utilize locking mechanical system to fix the protection cloth, make the protection cloth cover establish the concrete test block, avoid the piece on the concrete test block to splash, realize the stable detection of concrete test block.

Optionally: the locking mechanism comprises at least two locking hooks arranged on the protective cloth and at least two locking rings fixed on the outer wall of the upper end of the portal frame, and the locking hooks are used for hooking the locking rings tightly.

Through adopting above-mentioned technical scheme, through the cooperation that sets up latch hook and catch, realize protecting the quick fixed of cloth to realize the high-efficient detection of concrete test block.

Optionally: the portal frame is provided with a sliding hole for the sliding rod to vertically slide, and the inner wall around the sliding hole is provided with balls which are abutted against the outer wall of the sliding rod.

Through adopting above-mentioned technical scheme, reduce the frictional force between slide bar and the slip hole through setting up the ball, guarantee the smooth motion of slide bar to realize the stable detection of concrete test block.

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

1. the impact ball with the adjustable height position and the accurate adjustment is arranged, so that the concrete test block is hammered, the accurate control of the impact force is realized, and the detection accuracy of the concrete test block is ensured;

2. the supporting mechanism and the fastening mechanism which are simple in structure and stable in working are arranged, so that the concrete test block can be quickly installed and stably fixed;

3. the supporting rods with adjustable intervals are arranged and used for adapting to concrete test blocks with different specifications, so that the effect of high adaptability is achieved;

4. establish the concrete test block through setting up the protection cloth cover, avoid the piece on the concrete test block to splash, realize the stable detection of concrete test block.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic view of the internal structure of a base of the embodiment;

fig. 3 is a schematic structural view of the supporting mechanism of the embodiment.

Reference numerals: 1. a base; 2. a support mechanism; 21. a support bar; 22. a groove; 23. a threaded hole; 24. a dovetail block; 25. a dovetail groove; 26. a screw hole; 3. a gantry; 31. a slide hole; 32. a slide bar; 33. impacting a ball; 34. a ball bearing; 35. scale lines; 4. protective cloth; 5. a locking mechanism; 51. a latch hook; 52. a locking ring; 6. a fastening mechanism; 61. a fastening rod; 62. a fastening plate; 63. a handle; 7. a drive mechanism; 71. a bidirectional lead screw; 72. a handwheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The application discloses impact tester, as shown in figure 1, it includes base 1, supporting mechanism 2 and portal frame 3, and supporting mechanism 2 is located the up end of base 1, and is used for bearing the concrete test block. The portal frame 3 is fixed on the upper end face of the base 1 and stretches across the supporting mechanism 2.

As shown in fig. 1 and 2, a sliding hole 31 is formed in the middle of the gantry 3, and a sliding rod 32 is vertically and slidably connected in the sliding hole 31. The lower end of the sliding rod 32 is provided with a punching ball 33, and the punching ball 33 is located right above the supporting mechanism 2 and used for punching a concrete test block on the supporting mechanism 2.

As shown in fig. 1 and 2, the peripheral inner wall of the sliding hole 31 is rotatably connected with a ball 34, the ball 34 abuts against the outer wall of the sliding rod 32, and the outer wall of the sliding rod 32 is provided with scale marks 35 for precisely controlling the height positions of the sliding rod 32 and the impact ball 33.

As shown in fig. 1 and 2, a circle of flexible protective cloth 4 is arranged on the base 1, the protective cloth 4 surrounds the portal frame 3, and is used for covering the lower ends of the supporting mechanism 2 and the portal frame 3 and blocking the splashed fragments of the concrete test block. The lower end of the protective cloth 4 is fixed on the base 1, and a locking mechanism 5 is arranged between the protective cloth 4 and the portal frame 3.

As shown in fig. 1 and 2, the locking mechanism 5 includes at least two locking hooks 51 and a locking ring 52, and the locking ring 52 is fixed to the upper end of the guard cloth 4 and is disposed at an opposite position. The locking ring 52 is fixed on the outer wall of the upper end of the gantry 3 and is arranged opposite to the upper end, and the locking ring 52 is used for hooking the locking hook 51.

As shown in fig. 2 and 3, the supporting mechanism 2 includes a pair of support rods 21 arranged side by side, the support rods 21 are located on the base 1, and the pair of support rods 21 are distributed on both sides of the impact ball 33.

As shown in fig. 2 and 3, a groove 22 is formed in an inner wall of one side of each of the pair of support rods 21, which is close to each other, along a length direction of the support rods, the groove 22 is used for embedding two sides of concrete, and a fastening mechanism 6 for fixing the concrete is arranged in the groove 22.

As shown in fig. 2 and 3, the fastening mechanism 6 includes a vertically arranged fastening rod 61 and a horizontally arranged fastening plate 62, the upper end surface of the support rod 21 is vertically provided with a threaded hole 23 communicating with the groove 22, the fastening rod 61 is in threaded connection with the threaded hole 23, and the upper end is fixedly connected with a handle 63.

As shown in fig. 2 and 3, the fastening plate 62 is positioned in the groove 22, the fastening plate 62 is rotatably coupled to the lower end of the fastening rod 61, and the fastening plate 62 is used to press the upper end surface of the concrete test block.

As shown in fig. 2, a dovetail block 24 is fixedly connected to a lower end surface of the support rod 21, a dovetail groove 25 is horizontally formed in the base 1, and the dovetail groove 25 has a length direction identical to that of the base 1 and is used for the dovetail block 24 to horizontally slide. The base 1 is provided with a driving mechanism 7, and the driving mechanism 7 is used for controlling a pair of dovetail blocks 24 to approach or separate from each other.

As shown in fig. 2, the driving mechanism 7 includes a bidirectional screw 71 horizontally disposed and hand wheels 72 fixed to both ends of the bidirectional screw 71, and the bidirectional screw 71 penetrates the base 1 and communicates with the dovetail groove 25. The dovetail block 24 has a threaded bore 26 therethrough, and a bidirectional lead screw 71 is threadedly coupled to the threaded bore 26.

The working principle of the embodiment of the application is as follows: when the impact resistance of the concrete is detected, the driving mechanism 7 is used for controlling the pair of dovetail blocks 24 to drive the pair of support rods 21 to be away from each other. Then, the concrete test block is horizontally placed between the pair of support rods 21, the pair of support rods 21 are controlled to approach each other, and meanwhile, the two sides of the concrete test block are embedded into the grooves 22 on the support rods 21. Then, the two sides of the concrete test block are fixed by the fastening mechanisms 6, and the concrete test block can be supported and fixed.

And then the upper end of the protective cloth 4 is pulled to move upwards, and the protective cloth 4 is fixed by using the locking mechanism 5, so that the protective cloth 4 covers the concrete test block on the bearing mechanism 2. And finally, controlling the sliding rod 32 and the impact ball 33 to move upwards, determining the height position of the impact ball 33 according to the position of the scale mark 35, loosening the sliding rod 32, enabling the impact ball 33 and the sliding rod 32 to do free-fall movement, hammering the concrete test block, and realizing the impact detection of the concrete test block.

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. An impact resistance testing machine which is characterized in that: including base (1), set up in bearing mechanism (2) on base (1) and span portal frame (3) of bearing mechanism (2), vertical sliding connection has slide bar (32) on portal frame (3), the lower extreme of slide bar (32) is provided with and is located impact ball (33) directly over bearing mechanism (2), and the outer wall is provided with scale mark (35).

2. An impact tester as claimed in claim 1, characterised in that: the bearing mechanism (2) comprises a pair of support rods (21) arranged on the base (1) side by side, the support rods (21) are distributed on two sides of the impact ball (33), grooves (22) for embedding two sides of concrete are formed in the inner wall of one side close to each other, and fastening mechanisms (6) for fixing the concrete are arranged on the support rods (21).

3. An impact tester as claimed in claim 2, characterised in that: the fastening mechanism (6) comprises a vertically arranged fastening rod (61) and a fastening plate (62) horizontally arranged at the lower end of the fastening rod (61), the fastening rod (61) is in threaded connection with the supporting rod (21), the fastening plate (62) is in rotary connection with the fastening rod (61), and the fastening plate (62) is located in the groove (22).

4. An impact tester as claimed in claim 2, characterised in that: the lower terminal surface of bracing piece (21) is provided with dovetail block (24), base (1) is improved level and is provided with the confession dovetail block (25) that dovetail block (24) level slided, and be provided with control a pair ofly on base (1) drive mechanism (7) that dovetail block (24) are close to each other or are kept away from.

5. An impact tester as claimed in claim 4, wherein: the driving mechanism (7) comprises a horizontally arranged bidirectional screw rod (71) and hand wheels (72) arranged at two ends of the bidirectional screw rod (71), the bidirectional screw rod (71) penetrates through the base (1) and is communicated with the dovetail groove (25), and the bidirectional screw rod (71) is in threaded connection with the dovetail block (24).

6. An impact tester as claimed in claim 1, characterised in that: the supporting device is characterized in that a protective cloth (4) used for covering the lower ends of the supporting mechanism (2) and the portal frame (3) is arranged on the base (1), and a locking mechanism (5) is arranged between the protective cloth (4) and the portal frame (3).

7. An impact tester as claimed in claim 6, characterised in that: the locking mechanism (5) comprises at least two locking hooks (51) arranged on the protective cloth (4) and at least two locking rings (52) fixed on the outer wall of the upper end of the portal frame (3), and the locking hooks (51) are used for tightly hooking the locking rings (52).

8. An impact tester as claimed in claim 1, characterised in that: the portal frame (3) is provided with a sliding hole (31) for the sliding rod (32) to vertically slide, and the inner wall of the periphery of the sliding hole (31) is provided with balls (34) which are abutted against the outer wall of the sliding rod (32).