CN217304719U

CN217304719U - Concrete impact resistance test device

Info

Publication number: CN217304719U
Application number: CN202220229225.4U
Authority: CN
Inventors: 仪传军; 许宗国; 马慧滨
Original assignee: Xinjiang Seven Star Construction Co ltd
Current assignee: Xinjiang Seven Star Construction Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-08-26
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a concrete shock resistance test device, the on-line screen storage device comprises a base, the base is circular plate, the last fixed surface of base is connected with the bracing piece, the quantity of bracing piece is two, and two the bracing piece symmetry sets up the upper surface of base, the same roof of upper end fixedly connected with of bracing piece, the lower fixed surface of roof is connected with the guide arm, the surface cover of guide arm is equipped with the weight, just the weight with sliding connection between the guide arm, the utility model discloses a set up the base, link the roof through the bracing piece on the base, the lower fixed surface of roof connects the guide arm, and the weight cover is established on the guide arm and with guide arm swing joint for the weight whereabouts in-process slides downwards along the guide arm, thereby prevents to cause danger at whereabouts in-process weight landing.

Description

Concrete impact resistance test device

Technical Field

The utility model relates to a concrete test technical field, concrete field is a concrete shock resistance test device.

Background

The common concrete is artificial stone which is prepared by taking cement as a main cementing material, adding water, sand, stones and chemical additives and mineral admixtures if necessary, mixing the materials according to a proper proportion, uniformly stirring, densely molding, curing and hardening. Concrete is mainly divided into two stages and states: plastic state before setting and hardening, namely fresh concrete or concrete mixture; hardened, i.e. hardened concrete or concrete. The concrete strength grade is divided by a cube compressive strength standard value, so that the concrete needs to be subjected to an impact test after the pouring is finished, and the strength of the concrete is detected.

Chinese patent (publication No. CN208921573U) discloses a concrete impact resistance test device, comprising a base plate, the left side on the upper portion surface of bottom plate is through the fixed case of locking bolt fixedly connected with power, the upper surface nestification of the fixed case of power has the power, the right-hand bracing piece that is provided with of the fixed case of power, the left side surface of bracing piece is provided with the switch, the right side welding on the upper portion surface of bracing piece has the roof, the middle part welding on the bottom surface of roof has the slide bar, the left and right sides at the middle part of roof all nests threaded rod, the lower extreme of threaded rod is connected with the electro-magnet through the bearing, the below of electro-magnet is provided with the iron ball, the inside of iron ball is provided with the second through-hole that runs through whole iron ball, the right side on the upper portion surface of bottom plate is provided with the concrete test block. However, the iron ball of the device falls freely and easily rolls off after being hit on the concrete stone block, and therefore the concrete impact resistance test device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete shock resistance test device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a concrete shock resistance test device, includes the base, the base is circular plate, the last fixed surface of base is connected with the bracing piece, the quantity of bracing piece is two, and two the bracing piece symmetry sets up the upper surface of base, the same roof of upper end fixedly connected with of bracing piece, the lower fixed surface of roof is connected with the guide arm, the surface cover of guide arm is equipped with the weight, just the weight with sliding connection between the guide arm.

Preferably, the outer surface of the guide rod is movably connected with a connecting mechanism, the upper surface of the heavy hammer is provided with a connecting groove, the connecting mechanism comprises a main body, the bottom of the main body is conical, an annular groove is formed in the upper end of the main body, a strip-shaped groove is formed in the outer peripheral surface of the main body, a connecting piece is fixedly connected to the lower end of the inner surface of the strip-shaped groove respectively, a clamping block is fixedly connected to the lower end of the outer surface of the connecting piece, a clamping groove is formed in the inner peripheral surface of the annular groove, and a convex block is fixedly connected to the upper end of the outer surface of the connecting piece.

Preferably, the lower surface of the top plate is fixedly connected with a sleeve, the sleeve is sleeved outside the sleeve, and the inner diameter of the annular groove is the same as that of the sleeve.

Preferably, the inside of guide arm is coaxial to be equipped with the activity groove, the lateral wall in activity groove runs through and is equipped with the intercommunication groove, the quantity in intercommunication groove is two, and two the intercommunication groove symmetry sets up, the internal surface swing joint in activity groove has the movable block, the outer peripheral face fixedly connected with connecting plate's of movable block one end, the other end of connecting plate passes the intercommunication groove with the inner peripheral surface fixed connection of main part, the terminal surface of roof corresponds the upper end of guide arm runs through and is equipped with the through-hole, the last fixed surface of movable block is connected with the one end of connecting the steel cable, the other end of connecting the steel cable passes the through-hole is located the upper end of roof.

Preferably, the upper surface of the top plate is fixedly connected with two hinged plates, and a guide wheel is rotatably connected between the two hinged plates.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a concrete shock resistance test device, through setting up the base, passes through the bracing piece on the base and connects the roof, and the lower fixed surface of roof connects the guide arm, and the weight cover is established on the guide arm and with guide arm swing joint for the weight whereabouts in-process slides down along the guide arm, thereby prevents to cause danger at whereabouts in-process weight landing.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

fig. 2 is a schematic view of a front section structure of the connection mechanism of the present invention;

FIG. 3 is a schematic top view of the heavy hammer of the present invention;

fig. 4 is a schematic structural view of the connection mechanism of the present invention;

fig. 5 is a schematic structural diagram of the present invention.

In the figure: 1-base, 2-support rod, 3-top plate, 4-guide rod, 5-weight, 6-connecting groove, 7-main body, 8-annular groove, 9-strip groove, 10-connecting piece, 11-clamping block, 12-clamping groove, 13-convex block, 14-sleeve, 15-movable groove, 16-communicating groove, 17-movable block, 18-connecting plate, 19-through hole, 20-connecting steel rope, 21-hinged plate and 22-guide wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a concrete impact resistance test device comprises a base 1, as shown in fig. 4, the base 1 is a circular plate, the upper surface of the base 1 is fixedly connected with two support rods 2, the number of the support rods 2 is two, the two support rods 2 are symmetrically arranged on the upper surface of the base 1, the support rods 2 are arranged at the edge of the base 1, the upper ends of the support rods 2 are fixedly connected with a same top plate 3, the top plate 3 is also a circular plate, the lower surface of the top plate 3 is fixedly connected with a guide rod 4, the guide rod 4 and the top plate 3 are coaxially arranged, a heavy hammer 5 is sleeved on the outer surface of the guide rod 4, the heavy hammer 5 is cylindrical, the heavy hammer 5 falls on a concrete stone block to detect the impact resistance test of concrete, the heavy hammer 5 is slidably connected with the guide rod 4, and the guide rod 4 is used for controlling the moving direction of the heavy hammer 5, the counter weight 5 is prevented from sliding off the outer side, a certain distance is reserved between the bottom of the guide rod 4 and the base 1, it is ensured that the concrete stone block can be placed at the bottom of the guide rod 4, and meanwhile, when the counter weight 5 is hit on the concrete stone block, the counter weight 5 is still sleeved on the guide rod 4.

Specifically, the outer surface of the guide rod 4 is movably connected with a connecting mechanism, the upper surface of the weight 5 is provided with a connecting groove 6, the connecting groove 6 is cylindrical, the connecting mechanism includes a main body 7, the bottom of the main body 7 is conical so that the main body 7 can be inserted from the top of the connecting groove 6, the upper end of the main body 7 is provided with an annular groove 8, the outer circumferential surface of the main body 7 is provided with a strip-shaped groove 9, as shown in fig. 2, the strip-shaped groove 9 is vertical, the strip-shaped groove 9 is annularly and uniformly distributed on the outer circumferential surface of the main body 7, the lower end of the inner surface of the strip-shaped groove 9 is respectively and fixedly connected with a connecting piece 10, the lower end of the outer surface of the connecting piece 10 is fixedly connected with a clamping block 11, the inner circumferential surface of the annular groove 8 is provided with a clamping groove 12, as shown in fig. 1, after the main body 7 is inserted into the connecting groove 6, the clamping block 11 enters the clamping groove 12 to complete the connection between the main body 7 and the weight 5, the upper end of the outer surface of the connecting piece 10 is fixedly connected with a convex block 13, the convex block 13 is arc-shaped, when the convex block 13 is pressed, the connecting piece 10 is bent under the action of stress, the clamping block 11 enters the strip-shaped groove 9, and the main body 7 can fall off from the heavy hammer 5.

Specifically, a sleeve 14 is fixedly connected to the lower surface of the top plate 3, the sleeve 14 is sleeved on the outer side of the sleeve 14, and the inner diameter of the annular groove 8 is the same as the inner diameter of the sleeve 14, so that when the connecting mechanism moves to the upper end of the guide rod 4, after the upper end of the main body 7 is inserted into the sleeve 14, the protrusion 13 is in contact with the side wall of the sleeve 14 and is compressed, the protrusion 13 enters the strip-shaped groove 9, the connecting member 10 is bent, the clamping block 11 is separated from the clamping groove 12, the heavy hammer 5 is separated from the connecting mechanism, and the heavy hammer 5 falls down for experiments.

Specifically, the guide rod 4 is coaxially provided with a movable groove 15 inside, the side wall of the movable groove 15 is provided with two communicating grooves 16 in a penetrating manner, the communicating grooves 16 are strip-shaped, the communicating grooves 16 are arranged in the same direction as the length direction of the guide rod 4, the number of the communicating grooves 16 is two, the two communicating grooves 16 are symmetrically arranged, the inner surface of the movable groove 15 is movably connected with a movable block 17, the outer peripheral surface of the movable block 17 is fixedly connected with one end of a connecting plate 18, the other end of the connecting plate 18 penetrates through the communicating grooves 16 to be fixedly connected with the inner peripheral surface of the main body 7, the end surface of the top plate 3 is provided with a through hole 19 in a penetrating manner corresponding to the upper end of the guide rod 4, the upper surface of the movable block 17 is fixedly connected with one end of a connecting steel rope 20, the other end of the connecting steel rope 20 penetrates through the through hole 19 and is positioned at the upper end of the top plate 3, so that the connecting steel rope 20 is pulled, the movable block 17 is driven to move upward in the movable groove 15, and the movable block 17 drives the connecting plate 18, thereby driving the main body 7 to move upward.

Specifically, the upper surface of the top plate 3 is fixedly connected with two hinge plates 21, the number of the hinge plates 21 is two, a guide wheel 22 is rotatably connected between the two hinge plates 21, as shown in fig. 1, the connecting steel cable 20 is matched with the guide wheel 22, so that the connecting steel cable 20 can be pulled transversely, the connecting steel cable 20 drives the movable block 17 to move upwards in the movable groove 15, the movable block 17 drives the connecting plate 18, so that the main body 7 is driven to move upwards, when the connecting mechanism moves to the upper end of the guide rod 4, after the upper end of the main body 7 is inserted into the sleeve 14, the protrusion 13 is in contact with the side wall of the sleeve 14 and compressed, so that the protrusion 13 enters the inside of the strip-shaped groove 9, the connecting member 10 is bent, the fixture block 11 is separated from the clamping groove 12, so that the heavy hammer 5 is separated from the connecting mechanism, and the heavy hammer 5 can fall down for carrying out an experiment.

The working principle is as follows: the utility model discloses during the use, horizontal pulling connection steel cable 20, drive the inside rebound of movable block 17 at movable groove 15 by connecting steel cable 20, movable block 17 drives connecting plate 18, thereby drive main part 7 rebound, and when coupling mechanism moves to guide arm 4 upper end, the inside back of main part 7's upper end insert tube 14, lug 13 is compressed with sleeve 14's lateral wall contact, make lug 13 get into the inside in bar groove 9, connecting piece 10 is crooked, fixture block 11 breaks away from with draw-in groove 12, make weight 5 break away from with coupling mechanism, weight 5 must fall, experiment, then loosen connection steel cable 20, make main part 7 insert inside 6 connecting grooves, fixture block 11 must be inside inserting draw-in groove 12, accomplish being connected between coupling mechanism and the weight 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a concrete impact test device, includes base (1), its characterized in that: base (1) is circular plate, the last fixed surface of base (1) is connected with bracing piece (2), the quantity of bracing piece (2) is two, and two bracing piece (2) symmetry sets up the upper surface of base (1), the same roof (3) of upper end fixedly connected with of bracing piece (2), the lower fixed surface of roof (3) is connected with guide arm (4), the surface cover of guide arm (4) is equipped with weight (5), just weight (5) with sliding connection between guide arm (4).

2. The concrete impact test device of claim 1, wherein: the outer surface swing joint of guide arm (4) has coupling mechanism, the upper surface of weight (5) is equipped with spread groove (6), coupling mechanism includes main part (7), the bottom of main part (7) is the toper, the upper end of main part (7) is equipped with ring channel (8), the outer peripheral face of main part (7) is equipped with bar groove (9), the internal surface lower extreme of bar groove (9) is fixedly connected with connecting piece (10) respectively, the surface lower extreme fixedly connected with fixture block (11) of connecting piece (10), the inner peripheral surface of ring channel (8) is equipped with draw-in groove (12), the surface upper end fixedly connected with lug (13) of connecting piece (10).

3. The concrete impact resistance test device of claim 2, wherein: the lower surface fixedly connected with sleeve pipe (14) of roof (3), sleeve pipe (14) cover is established the outside of sleeve pipe (14), just the internal diameter of ring channel (8) with the internal diameter of sleeve pipe (14) is the same.

4. A concrete impact test apparatus according to claim 3, wherein: the inner part of the guide rod (4) is coaxially provided with a movable groove (15), the side wall of the movable groove (15) is provided with two communicating grooves (16) in a penetrating way, the two communicating grooves (16) are symmetrically arranged, the inner surface of the movable groove (15) is movably connected with a movable block (17), the peripheral surface of the movable block (17) is fixedly connected with one end of a connecting plate (18), the other end of the connecting plate (18) passes through the communication groove (16) and is fixedly connected with the inner circumferential surface of the main body (7), the end surface of the top plate (3) is provided with a through hole (19) corresponding to the upper end of the guide rod (4), the upper surface of the movable block (17) is fixedly connected with one end of a connecting steel rope (20), the other end of the connecting steel rope (20) passes through the through hole (19) and is positioned at the upper end of the top plate (3).

5. The concrete impact test device of claim 1, wherein: the upper surface of the top plate (3) is fixedly connected with two hinged plates (21), and a guide wheel (22) is rotatably connected between the two hinged plates (21).