CN219830666U - Confining pressure equipment for low-temperature concrete impact test detection based on municipal construction - Google Patents

Abstract

The utility model relates to the technical field of concrete detection, in particular to confining pressure equipment for low-temperature concrete impact test detection based on municipal construction, which comprises a box body, wherein a placing seat is fixedly connected to the bottom in the box body, fixing plates with L-shaped structures are symmetrically and fixedly connected to the left side and the right side of the placing seat, a clamping plate is fixedly connected to one side, close to the placing seat, of the fixing plate through a fixing cylinder, a telescopic cylinder is fixedly connected to the top in the box body, and an electromagnet is fixedly arranged at the head of a piston rod of the telescopic cylinder through a mounting plate; the heavy hammer provided by the utility model can not cause the deviation of the position of the heavy hammer under the guiding action of the guide plate and the guide rod when falling, and can conveniently fulfill the aim of downwards moving the electromagnet to adsorb the heavy hammer under the extending and contracting fit of the piston rod of the telescopic cylinder, so that the aim of continuously and automatically carrying out impact test detection on the concrete block is conveniently fulfilled, and the problems of time and labor consumption caused by manually installing the heavy hammer back and forth are solved.

Description

Confining pressure equipment for low-temperature concrete impact test detection based on municipal construction

Technical Field

The utility model relates to the technical field of concrete detection, in particular to confining pressure equipment for detecting low-temperature concrete impact tests based on municipal construction.

Background

When the concrete is constructed, the construction of low-temperature concrete, namely the winter construction of the concrete, is carried out when the daily average temperature is below 5 ℃ or the lowest temperature is below-3 ℃, the hydration rate of the cement is reduced under the low-temperature condition, the strength development of the concrete is affected, if the tensile strength of the concrete after the concrete is coagulated is not yet reached to be capable of resisting the expansion force generated by icing, namely the concrete is subjected to negative temperature influence, the concrete is expanded due to icing to cause unrecoverable irregular cracks and strength loss, and therefore, when the low-temperature concrete is constructed, the impact test is carried out on the coagulated concrete block to detect whether the strength of the coagulated concrete block is qualified;

however, in the prior art, the concrete impact test detection confining pressure equipment needs to manually install the heavy hammer back and forth in the use process, cannot continuously and automatically perform impact test detection on the concrete blocks, is time-consuming and labor-consuming in installing the heavy hammer, is complex in operation and does not have protective measures, and when the detection is performed, the problem that the concrete blocks are easy to be broken by the heavy hammer impact on the concrete blocks and the detection personnel are injured due to the fact that the broken concrete blocks are splashed everywhere is solved.

Disclosure of Invention

The utility model aims to provide confining pressure equipment for detecting low-temperature concrete impact test based on municipal construction, which solves the technical defects, when the confining pressure equipment is used for detecting concrete impact test, a concrete block to be detected is placed at the top of a placing seat, two fixed cylinders are started to clamp and fix the concrete block, an electromagnet is powered off, at the moment, the adsorption force of the electromagnet on a heavy hammer is eliminated, the heavy hammer is lowered under the action of self gravity to realize impact detection on the concrete block, the position of the heavy hammer is not offset under the guiding action of a guide plate and a guide rod in the falling process of the heavy hammer, and the purpose of downward moving and adsorbing the heavy hammer by the aid of a piston rod of a telescopic cylinder is conveniently achieved under the extending and contracting cooperation of the piston rod of the telescopic cylinder, so that the purpose of continuously and automatically detecting the concrete block impact test is conveniently achieved, and the problems that the heavy hammer is required to be installed manually and time-consuming and labor-consuming are solved.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a low temperature concrete impact test detects and uses confined pressure equipment, comprises a box body, the seat is placed to the bottom fixedly connected with in the box, the left and right sides symmetry fixedly connected with who places the seat is the fixed plate of L type structure, be close to the fixed cylinder of one side fixedly connected with who places the seat on the fixed plate, and the piston rod head fixedly connected with grip block of fixed cylinder, the flexible cylinder of top fixedly connected with in the box, the fixed welding of the piston rod head of flexible cylinder has the flange, the bottom of flange has the mounting panel through bolt fixed mounting, the bottom of mounting panel has the electro-magnet through screw fixed mounting, the bottom of electro-magnet adsorbs there is the weight under the condition of circular telegram, four sets of support columns of bottom four corners department fixedly connected with of box, and the bottom fixedly connected with elastic anti-skidding pad of support column.

Preferably, the top in the box is located the left and right sides symmetry fixed welding of weight and has the guide bar, the left and right sides of weight is through bolt fixed mounting there being the connecting plate, the one side fixedly connected with extension board that keeps away from the weight on the connecting plate, the free end fixedly connected with of extension board corresponds guide bar sliding connection's deflector.

Preferably, the inside of placing the seat has been seted up the spout, rotate between the front and back both sides in the spout and be connected with two-way screw rod, and two-way screw rod's front side end runs through the outside of placing the seat and fixedly connected with hand wheel, threaded connection has the fly leaf with spout sliding connection on the two-way screw rod, and the fly leaf bilateral symmetry sets up, one side fixedly connected with that keeps away from on the fly leaf and place seat sliding connection's U type pole, and the bilateral symmetry sets up of U type pole, the free end fixedly connected with of U type pole with place seat top sliding connection's locating plate.

Preferably, the locating plate and one side of the clamping plate are fixedly connected with the antiskid plate.

Preferably, the left wall front side of box articulates through the hinge has the guard gate, the fixed transparent window that inlays of front side of guard gate, the fixed welding in front wall right side of guard gate has the handle.

Preferably, the front wall right side of guard gate is provided with the door subassembly that closes, and the upper and lower symmetry setting of door subassembly that closes, the door subassembly that closes includes rotor plate and L type cardboard, the front side fixedly connected with pivot of guard gate, rotate in the pivot and be connected with the rotor plate, L type cardboard fixed welding is at the right wall front wall of box and be located the right side of rotor plate, the free end block of rotor plate is in the L type cardboard that corresponds.

The beneficial effects of the utility model are as follows:

(1) When the confining pressure equipment is used for carrying out concrete impact test detection, the concrete block to be detected is placed at the top of the placement seat, two fixed cylinders are started to clamp and fix the concrete block, the electromagnet is powered off, the adsorption force of the electromagnet to the heavy hammer disappears, the heavy hammer falls under the action of self gravity to realize impact detection on the concrete block, the heavy hammer falls in the process, under the guiding action of the guide plate and the guide rod, the heavy hammer cannot deviate, and under the extension and contraction fit of the piston rod of the telescopic cylinder, the purpose that the electromagnet moves downwards to adsorb the heavy hammer can be conveniently achieved, further the purpose that continuous and automatic impact test detection on the concrete block is conveniently achieved, and the problems that the heavy hammer needs to be manually installed back and forth and time and labor are consumed are solved.

(2) Before fixing the concrete block, the rotatable hand wheel drives the bidirectional screw rod to rotate, the bidirectional screw rod drives the two movable plates to move relatively, and the movable plates drive the corresponding positioning plates to move relatively through the corresponding U-shaped rods, so that the concrete block placed at the top of the placement seat is fixed in front and back positions, and the center position between the front side and the back side of the concrete block is moved to the lower part of the bottom of the heavy hammer, so that the accuracy of test detection is improved.

(3) Through setting up this experimental testing process in the box and the guard gate that sets up at the front side of box be convenient for when detecting, can block the concrete piece disintegrating slag that splashes everywhere when the weight strikes the concrete piece, and then avoided the piece that splashes everywhere to lead to the injured problem of inspection personnel, use safer, can avoid the opening of guard gate when detecting through the close door subassembly that sets up on the guard gate to further promoted the protection effect.

Drawings

The utility model is further described below with reference to the accompanying drawings;

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the structure of the placement base of the present utility model;

FIG. 4 is a schematic diagram of the weight of the present utility model;

FIG. 5 is an enlarged view of a portion of the utility model at A in FIG. 1;

fig. 6 is a schematic view of the concrete block of the present utility model placed on top of a placement base.

Legend description:

1. a case; 11. a telescopic cylinder; 12. a flange; 13. a mounting plate; 14. an electromagnet; 15. a heavy hammer; 16. a support column; 17. an elastic anti-slip pad; 18. a guide rod; 19. a connecting plate; 110. a support plate; 111. a guide plate;

2. a placement seat; 21. a fixing plate; 22. a fixed cylinder; 23. a clamping plate; 24. a chute; 25. a bidirectional screw; 26. a hand wheel; 27. a movable plate; 28. a U-shaped rod; 29. a positioning plate; 210. a cleat;

3. a protective door; 31. a transparent window; 32. a handle;

4. a door closing assembly; 41. a rotating plate; 42. an L-shaped clamping plate; 43. a rotating shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

to the time of examining, need manual round trip to install weight 15, can not carry out impact test to the concrete block to be continuous automatic and detect, and consuming time and effort, complex operation's problem when installing weight 15, accessible scheme solves:

referring to fig. 1-4 and 6, the confining pressure device for detecting the impact test of the low-temperature concrete based on municipal construction comprises a box body 1, a placing seat 2 is fixedly connected to the bottom in the box body 1, the placed seat 2 can be used for placing a concrete block to be detected, fixing plates 21 with L-shaped structures are symmetrically and fixedly connected to the left side and the right side of the placed seat 2, a fixing cylinder 22 is fixedly connected to one side of the fixing plates 21 close to the placed seat 2, a clamping plate 23 is fixedly connected to the head of a piston rod of the fixing cylinder 22, the left side and the right side of the concrete block are conveniently fixed through the fixing cylinder 22 and the clamping plate 23, the movement of the concrete block during detection is avoided, a telescopic cylinder 11 is fixedly connected to the top in the box body 1, a flange 12 is fixedly welded to the head of a piston rod of the telescopic cylinder 11, a mounting plate 13 is fixedly arranged at the bottom of the flange 12 through bolts, an electromagnet 14 is fixedly arranged at the bottom of the mounting plate 13 through bolts, the electromagnet 14 is conveniently replaced by adopting the bolts, a fixing plate 14 is fixedly connected to one side of the fixing cylinder 22, a clamping plate 23 is fixedly connected to the bottom of the electromagnet 14, four corners 1 is conveniently adsorbed to the bottom of the box body, the four sides of the box body are fixedly connected to the bottom of the box body 1 through four groups of the supporting columns 16, and the supporting columns 17 are fixedly connected to the supporting columns 17 are conveniently arranged to the elastic support column 17, and the elastic support column is conveniently arranged to prevent the device from being connected to the device from being moved, and being connected to the supporting column 17.

The top in the box 1 is located the left and right sides symmetry fixed welding of weight 15 has guide bar 18, the left and right sides of weight 15 passes through bolt fixed mounting has connecting plate 19, the mode of adopting bolt installation weight 15 is convenient for change weight 15 of different masses according to actual detection needs, so that increase the accuracy of testing result, the one side fixedly connected with extension board 110 of keeping away from weight 15 on the connecting plate 19, the free end fixedly connected with of extension board 110 and the deflector 111 of corresponding guide bar 18 sliding connection, the in-process that weight 15 falls will not cause the skew of weight 15 position under the guide effect of deflector 111 and guide bar 18, and under the piston rod of telescopic cylinder 11 stretches out and shrink fit, can be convenient for accomplish the purpose that electro-magnet 14 moved down and adsorb weight 15, and then be convenient for realize continuous automatic purpose to carry out impact test detection to the concrete mass, the problem of having solved needs manual round trip to install weight 15 and consuming time and effort.

The inside of placing seat 2 has been seted up spout 24, rotate between the front and back both sides in the spout 24 and be connected with bi-directional screw 25, and the front side end of bi-directional screw 25 runs through the outside of placing seat 2 and fixedly connected with hand wheel 26, be convenient for drive bi-directional screw 25 through the hand wheel 26 that sets up and rotate, threaded connection has the fly leaf 27 with spout 24 sliding connection on the bi-directional screw 25, and the symmetry sets up around the fly leaf 27, pivoted bi-directional screw 25 is convenient for drive two fly leaves 27 relatively or keep away from the motion mutually, one side fixedly connected with that keeps away from mutually on the fly leaf 27 with place seat 2 sliding connection's U-shaped pole 28, and U-shaped pole 28 bilateral symmetry sets up, the free end fixedly connected with of U-shaped pole 28 with and place seat 2 top sliding connection's locating plate 29, the sliding effect of fly leaf 27 in spout 24 is convenient for be enhanced through the U-shaped pole 28 that sets up is convenient for drive corresponding locating plate 29 relative or keep away from the motion mutually simultaneously, and then be convenient for drive the concrete block of placing at the seat 2 top and carry out the fixed of back position, be convenient for move the center position between the front and back both sides of concrete block to 15 under the bottom, the bottom of the test plate of being convenient for increase the accuracy of locating plate 23, the test plate is convenient for increase the fixed effect of locating plate 210 with the concrete block.

In this embodiment:

when the confining pressure equipment is used for concrete impact test detection, a concrete block to be detected is placed at the top of the placing seat 2 as shown in fig. 6, the hand wheel 26 is rotated to drive the bidirectional screw rod 25 to rotate, the bidirectional screw rod 25 drives the two movable plates 27 to move relatively, and the movable plates 27 drive the corresponding positioning plates 29 to move relatively through the corresponding U-shaped rods 28, so that the concrete block placed at the top of the placing seat 2 is conveniently fixed in front and back positions, and meanwhile, the center position between the front side and the back side of the concrete block is conveniently moved below the bottom of the heavy hammer 15, and the accuracy of test detection is conveniently increased;

and then, the piston rods of the two fixed cylinders 22 are started to extend to drive the corresponding clamping plates 23 to fixedly clamp the left and right positions of the concrete blocks, meanwhile, the center position between the left and right sides of the concrete blocks is conveniently moved to the lower part of the bottom of the heavy hammer 15, the accuracy of test detection is further improved, the electromagnet 14 is powered off, the adsorption force of the electromagnet 14 to the heavy hammer 15 disappears, the heavy hammer 15 falls under the action of self gravity to realize impact detection on the concrete blocks, the position of the heavy hammer 15 is not offset under the guiding action of the guide plates 111 and the guide rods 18 in the falling process of the heavy hammer 15, at the moment, the piston rod extension of the telescopic cylinder 11 can be directly started to drive the electromagnet 14 to contact with the heavy hammer 15, the electromagnet 14 is electrified to adsorb the heavy hammer 15, and then, the piston rod contraction of the telescopic cylinder 11 is started to drive the heavy hammer 15 to rise, so that the purpose of continuous automatic impact test detection on the concrete blocks can be realized, and the problems of manual round-trip installation of the heavy hammer 15 and time and labor consumption are solved.

Embodiment two:

to the check out test set among the prior art does not possess safeguard measure, when detecting, the weight 15 is impacted the concrete block and is easily appeared concrete block slag and splashes everywhere and lead to the injured problem of inspection personnel, accessible scheme solves:

referring to fig. 1, fig. 2 and fig. 5, the left wall front side of the box 1 is hinged with a protective door 3 through a hinge, the protective door 3 can be arranged to effectively avoid the problem that the personnel are injured due to the fact that scraps splash when the concrete block is impacted, a transparent window 31 is fixedly embedded in the front side of the protective door 3, a handle 32 is fixedly welded on the right side of the front wall of the protective door 3, a door closing assembly 4 is arranged on the right side of the front wall of the protective door 3, the door closing assemblies 4 are symmetrically arranged up and down, the closing effect of the protective door 3 can be enhanced through two groups of door closing assemblies 4, the door closing assemblies 4 comprise a rotating plate 41 and an L-shaped clamping plate 42, a rotating shaft 43 is fixedly connected with the front side of the protective door 3, the rotating plate 41 is rotationally connected to the rotating shaft 43, the L-shaped clamping plate 42 is fixedly welded on the right wall front wall of the box 1 and is positioned on the right side of the rotating plate 41, and the free end of the rotating plate 41 is clamped in the corresponding L-shaped clamping plate 42.

In this embodiment:

the protection door 3 that sets up this experimental testing process in box 1 and in the front side of box 1 is convenient for when examining, can block the concrete piece disintegrating slag that splashes everywhere when weight 15 strikes the concrete piece, and then avoided the piece that splashes everywhere to lead to the injured problem of inspection personnel, use safelyr, can avoid the opening of protection door 3 when examining through the door closure subassembly 4 that sets up on protection door 3, thereby further promoted the protection effect, when needs are opened with protection door 3, can rotate the free end of rotating plate 41 around pivot 43, and then be convenient for accomplish the separation of rotating plate 41 and L type cardboard 42, reverse operation when closing protection door 3 can more than the step.

In summary, when the confining pressure device is used for detecting the concrete impact test, the protective door 3 is firstly opened, the concrete block to be detected is placed on the top of the placing seat 2, the hand wheel 26 is rotated to drive the bidirectional screw rod 25 to rotate, and the bidirectional screw rod 25 drives the corresponding positioning plate 29 to move relatively through the movable plate 27 and the U-shaped rod 28, so that the concrete block placed on the top of the placing seat 2 can be fixed in front and back positions conveniently; then, piston rods of the two fixed cylinders 22 are started to extend out, so that the corresponding clamping plates 23 are driven to fixedly clamp the concrete blocks at left and right positions; then the protective door 3 is closed, and simultaneously the rotating plate 41 is clamped with the corresponding L-shaped clamping plate 42 to finish the closing of the protective door 3; the electromagnet 14 is powered off, the adsorption force of the electromagnet 14 to the heavy hammer 15 disappears, the heavy hammer 15 falls under the action of gravity to realize impact detection on concrete blocks, the heavy hammer 15 cannot deviate in position under the guiding action of the guide plate 111 and the guide rod 18 in the falling process of the heavy hammer 15, the piston rod of the telescopic cylinder 11 can be directly started to extend to drive the electromagnet 14 to contact with the heavy hammer 15, the electromagnet 14 is electrified to adsorb the heavy hammer 15, and then the piston rod of the telescopic cylinder 11 is started to shrink to drive the heavy hammer 15 to rise, so that the aim of continuously and automatically carrying out impact test detection on the concrete blocks can be fulfilled, and the problems of time and labor consumption of manually installing the heavy hammer 15 back and forth are solved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. The utility model provides a low temperature concrete impact test detects and uses confined pressure equipment based on municipal construction, includes box (1), its characterized in that, bottom fixedly connected with in box (1) places seat (2), the left and right sides symmetry fixedly connected with of placing seat (2) is fixed plate (21) of L type structure, be close to one side fixedly connected with fixed cylinder (22) of placing seat (2) on fixed plate (21), and the piston rod head fixedly connected with grip block (23) of fixed cylinder (22), top fixedly connected with telescopic cylinder (11) in box (1), the piston rod head fixedly welded with flange (12) of telescopic cylinder (11), the bottom of flange (12) is through bolt fixed mounting board (13), the bottom of mounting board (13) is through screw fixed mounting have electro-magnet (14), the bottom of electro-magnet (14) is adsorbed under the condition of circular telegram, the bottom department fixedly connected with four sets of support columns (16) of bottom of support column (16), and bottom fixedly connected with elasticity slipmat (17) of support column (16);

the top in box (1) is located the left and right sides symmetry fixed welding of weight (15) and has guide bar (18), the left and right sides of weight (15) is through bolt fixed mounting there being connecting plate (19), one side fixedly connected with extension board (110) of keeping away from weight (15) on connecting plate (19), the free end fixedly connected with of extension board (110) and guide bar (111) of corresponding guide bar (18) sliding connection.

2. The confining pressure equipment for low-temperature concrete impact test detection based on municipal construction according to claim 1, wherein a chute (24) is formed in the placing seat (2), a bidirectional screw rod (25) is rotationally connected between the front side and the rear side in the chute (24), the front side end of the bidirectional screw rod (25) penetrates through the outer side of the placing seat (2) and is fixedly connected with a hand wheel (26), a movable plate (27) which is in sliding connection with the chute (24) is connected to the bidirectional screw rod (25) in a threaded manner, the movable plate (27) is arranged in a front-rear symmetrical manner, a U-shaped rod (28) which is in sliding connection with the placing seat (2) is fixedly connected to one side, far away from the movable plate (27), the U-shaped rod (28) is arranged in a bilateral symmetry manner, and the free end of the U-shaped rod (28) is fixedly connected with a positioning plate (29) which is in sliding connection with the top of the placing seat (2).

3. The confining pressure device for low-temperature concrete impact test detection based on municipal construction according to claim 2, wherein the locating plate (29) and one side of the clamping plate (23) are fixedly connected with a antiskid plate (210).

4. The confining pressure device for low-temperature concrete impact test detection based on municipal construction according to claim 1, wherein a protective door (3) is hinged to the front side of the left wall of the box body (1) through a hinge, a transparent window (31) is fixedly embedded in the front side of the protective door (3), and a handle (32) is fixedly welded to the right side of the front wall of the protective door (3).

5. The confining pressure equipment for low-temperature concrete impact test detection based on municipal construction according to claim 4, wherein a door closing assembly (4) is arranged on the right side of the front wall of the protective door (3), the door closing assembly (4) is arranged symmetrically up and down, the door closing assembly (4) comprises a rotating plate (41) and an L-shaped clamping plate (42), a rotating shaft (43) is fixedly connected to the front side of the protective door (3), the rotating plate (41) is rotationally connected to the rotating shaft (43), the L-shaped clamping plate (42) is fixedly welded on the front wall of the right wall of the box body (1) and is located on the right side of the rotating plate (41), and the free end of the rotating plate (41) is clamped in the corresponding L-shaped clamping plate (42).