CN218444888U

CN218444888U - Concrete compression testing machine

Info

Publication number: CN218444888U
Application number: CN202221884888.6U
Authority: CN
Inventors: 仇志峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-02-03
Anticipated expiration: 2032-07-20

Abstract

The application relates to the technical field of hydraulic engineering and discloses a concrete compression testing machine, which comprises a testing machine body and a detachable tray connected to a lower bearing plate of the testing machine body. This application is through setting up testing machine body and tray, when clearing up broken concrete test block, take off the tray from bearing plate down to pour out broken concrete test block in the tray, accomplish the clearance to the concrete test block, this in-process has reduced the concrete test block disintegrating slag and has remained the condition emergence that needs the staff to repeatedly clean bearing plate down on bearing plate down, and then has improved the staff to the efficiency of cleaning of broken concrete test block.

Description

Concrete compression testing machine

Technical Field

The application relates to the technical field of hydraulic engineering, in particular to a concrete compression testing machine.

Background

Hydraulic engineering is a project constructed for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harm and benefiting benefits, and needs to construct various types of hydraulic structures such as dams, dikes, spillways, sluice gates, water inlets, channels, aqueducts, rafts, fishways and the like, and a large amount of concrete is used when the hydraulic structures are constructed. The quality of the concrete affects the quality of the hydraulic engineering, so that a concrete compression testing machine is needed to perform compression testing on the concrete before the hydraulic engineering is built.

In the related art, concrete compression testing machine includes the frame, set up drive assembly in the frame, set up bearing plate and the threaded connection in frame top lead screw in the frame, and the bearing plate includes relative last bearing plate and the lower bearing plate that sets up, and wherein go up the one end fixed connection that bearing plate and lead screw are located the frame, and lower bearing plate sets up on drive assembly. When the concrete is subjected to compression resistance detection, firstly, a screw rod is screwed, the screw rod and a rack rotate relatively, then, a gap between an upper bearing plate and a lower bearing plate can accommodate a concrete test block, then, the concrete test block is placed on the lower bearing plate, then, a driving assembly is started, the driving assembly drives the lower bearing plate, and the lower bearing plate moves towards the direction close to the upper bearing plate, so that the upper bearing plate and the lower bearing plate are matched with each other to extrude the concrete test block until the concrete test block is completely crushed; and then operating the driving assembly, reversely moving the driving assembly, and cleaning the broken concrete test block from the lower pressure bearing plate.

In view of the above-mentioned related art, the inventor believes that when a damaged concrete block is cleaned from the lower bearing plate, in order to reduce the occurrence of the situation that the broken slag of the concrete block remains on the lower bearing plate and affects the detection of the next concrete block, the worker needs to repeatedly clean the lower bearing plate, and further, the defect that the efficiency is low when the worker cleans the broken concrete block exists.

SUMMERY OF THE UTILITY MODEL

Efficiency when cleaning broken concrete test block in order to improve the staff, this application provides a concrete compression testing machine.

The application provides a concrete compression testing machine adopts following technical scheme:

the utility model provides a concrete compression testing machine, includes the testing machine body and can dismantle the connection and be in tray on the lower bearing plate of testing machine body.

By adopting the technical scheme, when the concrete compression testing machine is used for testing a concrete test block, the tray is firstly installed on the lower bearing plate, then the concrete test block is placed on the tray, the driving assembly on the driving testing machine body drives the lower bearing plate, then the lower bearing plate drives the tray to move towards the direction close to the upper bearing plate, namely the top of the concrete test block is abutted against the upper bearing plate, the driving assembly continues to drive the lower bearing plate, the concrete test block is stressed under the interaction of the upper bearing plate and the lower bearing plate, along with the continuous movement of the driving assembly, the pressure borne by the concrete test block is gradually increased, the concrete test block is gradually crushed, then the driving assembly reversely moves, the lower bearing plate moves towards the direction far away from the upper bearing plate, then the tray is taken down from the lower bearing plate, the crushed concrete test block in the tray is poured out, the cleaning of the concrete test block is completed, the condition that the crushed concrete residue on the lower bearing plate needs workers to reversely clean the lower bearing plate in the crushed concrete test block is reduced in the process, and the efficiency of the broken concrete test block is improved.

Optionally, the lower bearing plate is provided with two slide rails respectively located on two sides of the tray, and two sides of the tray are provided with slide bars in sliding fit with the slide rails.

Through adopting above-mentioned technical scheme, when clearing up broken concrete test block, the pulling tray, the tray drives the draw runner motion, the draw runner takes place the relative slip with the slide rail, make the tray move to one side of bearing plate down then, then take off the tray from the draw runner again, and pour out broken concrete test block from the tray, through setting up slide rail and draw runner, reach the effect that the staff of being convenient for taken off the tray from bearing plate down on the one hand, on the other hand increases the stability of being connected of tray and lower bearing plate.

Optionally, each slide rail is rotatably connected with a ball on the vertical end face thereof, and each slide bar is provided with a holding groove for holding the ball.

Through adopting above-mentioned technical scheme, when the draw runner took place relative slip with the slide rail, ball and slide rail took place relative rotation, and the ball takes place relative roll with the cell wall of holding tank, and the frictional force when reducing draw runner and slide rail and taking place relative slip on the one hand, and the cooperation of on the other hand ball and holding tank can be spacing to being connected of draw runner and slide rail, increases the connection stability of draw runner and slide rail.

Optionally, two the same end of slide rail all be provided with lower bearing plate fixed connection's stopper.

Through adopting above-mentioned technical scheme, when promoting the tray motion, the tray is driving the draw runner motion, makes draw runner and slide rail take place relative motion then, and when the tray moved to under the bearing plate directly over, the draw runner was contradicted with the stopper to make the stopper carry on spacingly to the motion of draw runner, reduce the condition that the draw runner motion transition leads to draw runner and slide rail separation and take place.

Optionally, both sides of the tray are fixedly connected with sliding shafts, the sliding strip is provided with an adjusting groove corresponding to the sliding shafts, and the direction of the adjusting groove is perpendicular to the lower bearing plate.

Through adopting above-mentioned technical scheme, slide the tray to the back under directly over the bearing plate, the tray bottom is contradicted with lower bearing plate, and when the concrete test block received the extrusion force, the tray is driving the sliding shaft motion under the effect of pressure, and sliding shaft and adjustment tank take place relative slip to make tray and lower bearing plate support tightly, reduce promptly and have the condition emergence that the clearance influences concrete compression testing machine and detect the accuracy to the concrete test block between tray and the lower bearing plate.

Optionally, the bottom of the slide bar is penetrated by the adjusting groove.

Through adopting above-mentioned technical scheme, run through the bottom of adjustment tank and draw runner, can increase the gliding scope of slide-shaft in the adjustment tank on the one hand, when on the other hand pulled the tray to one side of bearing plate down, can make the tray break away from and go out from the draw runner is automatic, and then reach the effect that the staff of being convenient for cleared up broken concrete test block.

Optionally, the sliding strip is provided with a sliding groove, the opening direction of the sliding groove is parallel to the length direction of the sliding strip, the adjusting groove is communicated with the sliding groove, and the sliding groove penetrates through one end of the sliding strip, which is far away from the limiting block.

Through adopting above-mentioned technical scheme, when installing the tray to two draw runners, stimulate the draw runner earlier, the draw runner takes place relative slip with the slide rail, makes the draw runner move to one side of bearing plate down then, aims at the spout with the slide-shaft again to with the direction motion of tray orientation near the spout, thereby make the slide-shaft insert in the spout that corresponds, and then reach the effect that the staff of being convenient for installed the tray on the draw runner.

Optionally, one side of the adjusting groove, which is away from the limiting block, is provided with an elastic sheet fixedly connected with a groove wall of the sliding groove, and the elastic sheet is arranged in a bending manner.

By adopting the technical scheme, after the sliding shaft is inserted into the corresponding sliding groove, the tray is continuously pushed, and the tray and the sliding groove continuously slide relative to each other until the sliding shaft abuts against the elastic sheet; after the slide bar contradicted on the flexure strip, the slide rail was followed the slide rail motion, and after the slide rail was contradicted on the stopper, the tray was driving the slide bar and is continuing the motion, and the slide bar extrudeed the flexure strip, and the flexure strip takes place to warp, finally makes the slide bar cross the flexure strip and moves to the notch department of adjustment tank, through setting up the flexure strip, can reduce the condition that the slide bar moved in advance to the notch department of adjustment tank and lead to tray and draw runner separation to take place.

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

1. by arranging the testing machine body and the tray, when the broken concrete test block is cleaned, the tray is taken down from the lower bearing plate, and the broken concrete test block in the tray is poured out, so that the cleaning of the concrete test block is completed, the condition that concrete broken slag is remained on the lower bearing plate and needs to be cleaned repeatedly by workers is reduced, and the cleaning efficiency of the workers on the broken concrete test block is improved;

2. through the arrangement of the sliding rails and the sliding strips, when a crushed concrete test block is cleaned, the tray is pulled, the tray drives the sliding strips to move, the sliding strips and the sliding rails slide relatively, so that the tray moves to one side of the lower bearing plate, then the tray is taken down from the sliding strips, the crushed concrete test block is poured out of the tray, and through the arrangement of the sliding rails and the sliding strips, the effect that a worker can take the tray down from the lower bearing plate conveniently is achieved, and the connection stability of the tray and the lower bearing plate is improved;

3. through setting up ball and holding tank, when the draw runner takes place the relative slip with the slide rail, the ball takes place relative rotation with the slide rail, and the ball takes place relative roll with the cell wall of holding tank, reduces the frictional force when the draw runner takes place the relative slip with the slide rail on the one hand, and the cooperation of on the other hand ball and holding tank can be spacing the connection of draw runner and slide rail, increases the connection stability of draw runner and slide rail.

Drawings

FIG. 1 is a schematic view of the overall structure of a concrete compression testing machine according to an embodiment of the present application;

FIG. 2 is a partial schematic structural view of a concrete compression testing machine according to an embodiment of the present application, mainly illustrating a receiving groove;

FIG. 3 is a schematic structural view of a tray in the concrete compression testing machine according to the embodiment of the present application;

FIG. 4 is a schematic structural diagram of a slide bar in the concrete compression testing machine according to the embodiment of the present application.

Description of reference numerals: 100. a testing machine body; 110. a frame; 120. a hydraulic cylinder; 130. A bearing plate; 131. an upper bearing plate; 132. a lower bearing plate; 133. a slide rail; 134. a ball bearing; 135. a limiting block; 140. a lead screw; 200. a tray; 210. a slide bar; 211. an adjustment groove; 212. chamfering; 213. accommodating grooves; 220. a slide shaft; 221. a chute; 230. an elastic sheet.

Detailed Description

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

The embodiment of the application discloses concrete compression testing machine.

Referring to fig. 1, a concrete compression testing machine includes a testing machine body 100 and a tray 200, wherein the testing machine body 100 includes a frame 110, a driving assembly disposed in the frame 110, a bearing plate 130 disposed in the frame 110, and a screw 140 screwed to the top of the frame 110, wherein the driving assembly includes a hydraulic cylinder 120, the hydraulic cylinder 120 is disposed in the frame 110, a cylinder body of the hydraulic cylinder 120 is fixedly connected to the bottom of the frame 110, the bearing plate 130 includes an upper bearing plate 131 and a lower bearing plate 132, the upper bearing plate 131 is rotatably connected to one end of the screw 140 disposed in the frame 110, the lower bearing plate 132 is fixedly connected to a piston rod of the hydraulic cylinder 120, and the upper bearing plate 131 and the lower bearing plate 132 are slidably connected to the frame 110 along a direction approaching to or departing from each other. The tray 200 is detachably coupled to the lower bearing plate 132.

When a compression test is performed on a concrete test block, the screw 140 is firstly screwed, the screw 140 drives the upper pressure bearing plate 131, the upper pressure bearing plate 131 moves in a direction close to the lower pressure bearing plate 132, the upper pressure bearing plate 131 and the rack 110 slide relatively, so that a space between the upper pressure bearing plate 131 and the lower pressure bearing plate 132 can accommodate the concrete test block, then the concrete test block is placed on the tray 200, the hydraulic cylinder 120 is started, the hydraulic cylinder 120 drives the lower pressure bearing plate 132, the lower pressure bearing plate 132 drives the tray 200 to move in a direction close to the upper pressure bearing plate 131, so that the concrete test block is abutted against the upper pressure bearing plate 131, the hydraulic cylinder 120 continues to move, the upper pressure bearing plate 131 and the lower pressure bearing plate 132 extrude the concrete until the concrete test block is broken, then the hydraulic cylinder 120 is driven reversely, the tray 200 is separated from the lower pressure bearing plate 132, the broken concrete test block in the tray 200 is poured out, then the tray 200 cleaned is installed on the lower pressure bearing plate 132, and the work efficiency of workers who clean the concrete test block attached to the concrete test block is improved.

Referring to fig. 1 and 2, the lower bearing plate 132 is fixedly connected with two sliding rails 133, the two sliding rails 133 are oppositely disposed and respectively located at two opposite sides of the tray 200, two opposite sides of the tray 200 are respectively and fixedly connected with sliding bars 210 corresponding to the two sliding rails 133, and each sliding bar 210 is slidably connected with the corresponding sliding rail 133. All rotate on the terminal surface that slide rail 133 orientation and deviate from tray 200 and be connected with a plurality of balls 134, correspond on the draw runner 210 and offer the holding tank 213 that holds balls 134, draw runner 210 is connected with tray 200. When the tray 200 is pulled, the tray 200 drives the slide bar 210 to move, the slide bar 210 slides relative to the slide rail 133, the ball 134 rotates relative to the slide rail 133, the ball 134 rolls relative to the groove wall of the accommodating groove 213, on one hand, friction between the slide bar 210 and the slide rail 133 is reduced, on the other hand, the slide rail 133 and the slide bar 210 are limited in the direction parallel to the extension direction of the piston rod of the hydraulic cylinder 120, and the connection stability of the slide bar 210 and the slide rail 133 is improved.

Continuing to refer to fig. 1 and fig. 2, in order to facilitate the staff to fix a position tray 200, the same equal fixedly connected with in end of two slide rails 133 is used for restricting stopper 135 of the motion of draw runner 210, promote tray 200, when making tray 200 move under to pressure-bearing plate 132 directly over, draw runner 210 and stopper 135 support the back, draw runner 210 can't continue to move, tray 200 is located under pressure-bearing plate 132 directly over this moment, reach the effect that the staff of being convenient for advances line location to tray 200 promptly. In addition, the limiting block 135 can limit the movement of the slide bar 210, and reduce the occurrence of the situation that the slide bar 210 is separated from the slide rail 133 in the movement transition.

After the tray 200 is pushed to the position right above the lower bearing plate 132, the bottom of the tray 200 abuts against the top of the lower bearing plate 132, and if the tray 200 and the lower bearing plate 132 are not tightly abutted at this time, when the concrete test block is pressed, the tray 200 is forced to protrude outward in the direction of the lower bearing plate 132, and finally the tray 200 is damaged.

Referring to fig. 2, 3 and 4, in order to reduce the occurrence of damage to the tray 200, a plurality of sliding shafts 220 are fixedly connected to both sides of the tray 200, and the sliding shafts 220 are uniformly spaced along the length direction of the sliding strip 210. Each slide bar 210 is provided with a plurality of adjusting grooves 211 corresponding to the plurality of slide shafts 220, and the opening direction of each adjusting groove 211 is perpendicular to the lower bearing plate 132. When the lower bearing plate 132 and the upper bearing plate 131 are matched with each other to extrude the concrete test block, the concrete test block applies a reverse acting force to the tray 200 in a direction towards the lower bearing plate 132, so that the sliding shaft 220 slides in the adjusting groove 211, and the tray 200 is tightly abutted against the lower bearing plate 132, that is, the damage of the tray 200 is reduced.

With reference to fig. 2, fig. 3 and fig. 4, in order to facilitate the cleaning of the concrete test blocks crushed in the tray 200 by the worker, the bottom of the slide bar 210 is penetrated through the adjusting groove 211, each slide bar 210 is provided with a slide groove 221, the opening direction of the slide groove 221 is parallel to the length direction of the slide bar 210, the slide groove 221 penetrates through one end of the slide bar 210 departing from the limiting block 135, and the slide bar 210 is communicated with the adjusting grooves 211. One side of each adjusting groove 211 departing from the limiting block 135 is provided with an elastic sheet 230, the elastic sheet 230 is arranged in a bending manner, that is, the elastic sheet 230 protrudes outwards in the direction departing from the adjusting groove 211, and one end of the elastic sheet 230 is fixedly connected with the groove wall of the sliding groove 221. One side of the adjusting groove 211, which is close to one end of the sliding groove 221 and away from the limiting block 135, is provided with a chamfer 212 for guiding the movement of the sliding shaft 220. When cleaning the broken concrete test blocks in the tray 200, the tray 200 is pulled, the tray 200 drives the sliding shaft 220 to move, the sliding shaft 220 slides into the sliding groove 221 under the action of the chamfer 212 and abuts against the elastic sheet 230, then the tray 200 is continuously pulled, the tray 200 drives the sliding strip 210 to move under the action of the elastic sheet 230, the sliding strip 210 and the sliding rail 133 slide relatively, finally the tray 200 moves to one side of the lower bearing plate 132, then the tray 200 is reversely pushed, the sliding shaft 220 moves to the adjusting groove 211, the tray 200 is separated from the adjusting groove 211 under the action of self gravity, then the worker cleans the broken concrete test blocks in the tray 200, and further the effect of facilitating the worker to clean the broken concrete test blocks in the tray 200 is achieved.

When the tray 200 is mounted on the two sliding strips 210, the sliding shafts 220 at two sides of the tray 200 are aligned to the two sliding grooves 221, then the tray 200 is pushed towards the direction close to the notches of the sliding grooves 221, the sliding shafts 220 are inserted into the sliding grooves 221 and abut against the elastic sheets 230, the tray 200 is continuously pushed, the tray 200 drives the sliding strips 210 to move under the action of the elastic sheets 230, the sliding strips 210 and the sliding rails 133 move relatively, so that the sliding strips 210 abut against the limiting blocks 135, the tray 200 is continuously pushed, the sliding shafts 220 press the elastic sheets 230, the elastic sheets 230 deform, the sliding shafts 220 pass over the elastic sheets 230 and continue to slide relatively with the sliding grooves 221, and finally the sliding shafts 220 move to the notches of the corresponding adjusting grooves 211.

The embodiment of the application provides a concrete compression testing machine's implementation principle does: when the concrete test block is subjected to compression resistance detection, the screw rod 140 is firstly screwed, the screw rod 140 and the rack 110 rotate relatively, the screw rod 140 drives the upper bearing plate 131 to move towards the direction close to the lower bearing plate 132, so that a space for containing the concrete test block is reserved between the upper bearing plate 131 and the lower bearing plate 132, then the concrete test block is placed on the tray 200, the hydraulic cylinder 120 is started, the hydraulic cylinder 120 drives the lower bearing plate 132, the lower bearing plate 132 drives the tray 200 to move towards the direction close to the upper bearing plate 131, so that the concrete test block is abutted against the upper bearing plate 131, the hydraulic cylinder 120 continues to drive the lower bearing plate 132, the concrete test block is subjected to pressure under the interaction of the upper bearing plate 131 and the lower bearing plate 132, the pressure born by the concrete test block is gradually increased along with the continuous movement of the piston rod of the hydraulic cylinder 120, the concrete test block is gradually crushed, the hydraulic cylinder 120 is reversely driven, and the hydraulic cylinder 120 reversely drives the tray 200. Then pulling tray 200, tray 200 drives the motion of draw runner 210, finally makes tray 200 move to one side of lower bearing plate 132, again with tray 200 and draw runner 210 separation and pour out the broken concrete test block among the tray 200, this in-process has reduced broken concrete test block and has remained the condition emergence that needs the staff to clean many times in tray 200, and then has improved the work efficiency of staff when cleaning the concrete test block.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in 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 compression testing machine which characterized in that: the testing machine comprises a testing machine body (100) and a tray (200) detachably connected to a lower bearing plate (132) of the testing machine body (100); be equipped with two slide rails (133) that are located respectively on lower bearing plate (132) tray (200) both sides, the both sides of tray (200) all be provided with slide rail (133) sliding fit's draw runner (210).

2. The concrete compression testing machine of claim 1, characterized in that: every all rotate on the vertical terminal surface of slide rail (133) and be connected with ball (134), every seted up on draw runner (210) and held holding tank (213) of ball (134).

3. The concrete compression testing machine of claim 1, characterized in that: two the same end of slide rail (133) all be provided with lower bearing plate (132) fixed connection's stopper (135).

4. A concrete compression testing machine according to claim 3, characterized in that: the two sides of the tray (200) are fixedly connected with sliding shafts (220), the sliding strips (210) are provided with adjusting grooves (211) corresponding to the sliding shafts (220), and the opening direction of the adjusting grooves (211) is perpendicular to the lower bearing plate (132).

5. The concrete compression testing machine of claim 4, wherein: the bottom of the slide bar (210) is penetrated by the adjusting groove (211).

6. The concrete compression testing machine of claim 5, wherein: a sliding groove (221) is formed in the sliding strip (210), the forming direction of the sliding groove (221) is parallel to the length direction of the sliding strip (210), the adjusting groove (211) is communicated with the sliding groove (221), and one end, away from the limiting block (135), of the sliding strip (210) is penetrated through the sliding groove (221).

7. The concrete compression tester according to claim 6, wherein: one side of the adjusting groove (211) departing from the limiting block (135) is provided with an elastic sheet (230) fixedly connected with the groove wall of the sliding groove (221), and the elastic sheet (230) is arranged in a bending manner.