CN214224741U

CN214224741U - Concrete bending resistance testing machine

Info

Publication number: CN214224741U
Application number: CN202120174154.8U
Authority: CN
Inventors: 潘肖航; 鱼奇; 高小强
Original assignee: Shaanxi Zhuhengtai Pipe Pile Co ltd
Current assignee: Shaanxi Zhuhengtai Pipe Pile Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-09-17
Anticipated expiration: 2031-01-21

Abstract

The utility model relates to a concrete bending test machine, the on-line screen storage device comprises a base, the testing machine body, go up anchor clamps, the protective cover, blow material device and protector, the testing machine body is located the base, protective cover and the coaxial setting of last anchor clamps, and the protective cover can be followed anchor clamps and slided, protector is located the bottom of protective cover, protector includes the protection casing, support the auricle, two screw rods and actuating mechanism, support the auricle and be connected with the bottom of protection casing, the screw rod runs through the both ends of supporting the auricle and is connected with the base rotation, the screw rod is connected with actuating mechanism, be provided with the holding tank on the protective cover, the cell wall of holding tank is provided with a plurality of chucking mechanisms that are used for carrying out the chucking to the protection casing. This application passes through actuating mechanism and chucking mechanism, can raise the protection casing and realize with the chucking of protective cover, when carrying out the strength test, including protection casing and protective cover can be collected the concrete piece and put, reduce the concrete piece and outwards splash, be convenient for clear up the concrete piece.

Description

Concrete bending resistance testing machine

Technical Field

The application relates to the technical field of concrete detection equipment, in particular to a concrete bending resistance testing machine.

Background

The bending resistance testing machine is mainly used for bending resistance tests of test pieces such as concrete, refractory materials and bricks and compressive strength tests of building materials such as cement, mortar, refractory materials and bricks. In the strength evaluation of the material, the strength of the material needs to be tested by a bending tester to evaluate the bending strength of the material.

The application number is 201721069708.8's chinese patent discloses an electronic bending test machine, which comprises a beam, base and bracing piece, it has two arm lever mechanism to articulate on the crossbeam, two arm lever mechanism is including articulating in the crossbeam and being the main lever of horizontal setting, articulate in the crossbeam and be the vice lever of horizontal setting, and articulate in between main lever and the vice lever and be the pull rod of vertical setting, sliding connection has the thallium on the main lever, main lever below is equipped with the transmission lead screw that is threaded connection with the thallium, be equipped with anchor clamps on the vice lever, be equipped with down anchor clamps on the base, anchor clamps sliding connection is on the base down, the vice lever is equipped with the sliding tray that extends on its length direction, be equipped with the slide bar that passes the sliding tray on going up the anchor clamps, the setting of sliding bar is in the sliding tray with sliding tray, the lower surface that the sliding tray is close to extending direction's both ends is equipped with the recess with the sliding bar adaptation.

The use process comprises the following steps: when a small range is used, the button is pressed to push the sliding block to move the lower clamp to the left end of the clamp sliding groove, the upper clamp slides to the left end of the sliding groove, and the sliding rod is clamped in the groove. Installing a cement sample between an upper clamp and a lower clamp, enabling the upper clamp and the lower clamp to be abutted against the cement sample, adjusting a balance sliding code to balance a main lever, starting a motor to enable a sliding weight to move rightwards so as to enable the main lever to deflect clockwise, enabling a pull rod to move upwards so as to pull the upper clamp to move upwards, and enabling the upper clamp to apply an upward force to the cement sample so as to break the cement sample; when the cement sample is broken, the right end of the main lever is abutted against the displacement switch, so that the motor stops rotating, and the reading of the first scale where the thallium is located at the moment is read to obtain the breaking strength of the cement sample. When the large-range scale is used, the press button is pressed to push the sliding block to move the lower clamp to the right end of the clamp sliding groove, the upper clamp is slid to the right end of the sliding groove, the sliding rod is clamped in the groove, the force of the sliding weight applied to the main lever is amplified twice by the aid of the double-arm lever mechanism to increase the range, and the second scale is used at the moment.

In view of the above-mentioned related art, the inventor believes that during the fracture test, cement pieces are scattered outward during the fracture of the cement block, so that the cleaning is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the clearance to the cement piece, the application provides a concrete bending test machine.

The application provides a concrete bending test machine adopts following technical scheme:

a concrete bending tester comprises a base, a tester body positioned on the base, an upper clamp positioned on the tester body, a protective cover positioned on the upper clamp, a blowing device positioned on the base and a protective device positioned on the base, the testing machine body is positioned on the base, the protective cover is sleeved on the upper clamp, the protective cover can slide along the upper clamp, the protective device is positioned at the bottom of the protective cover, the protective device comprises a protective cover, a supporting lug piece, two screw rods and a driving mechanism, the supporting lug piece is connected with the bottom of the protective cover, one end of the screw rod penetrating through the supporting lug plate is rotationally connected with the base, the screw rod is connected with the driving mechanism, be provided with on the protection cover and supply the top male holding tank of protection casing, the cell wall of holding tank is provided with a plurality of be used for right the protection casing carries out the chucking fixture.

By adopting the technical scheme, before the concrete test block is subjected to strength test, the driving mechanism is adjusted, the driving mechanism drives the screw rod to rotate, and further drives the supporting lug pieces to move upwards along the screw rod, so that the protective cover is lifted, when the top of the protective cover enters the accommodating groove, the clamping mechanism clamps the protective cover, then the material blowing device and the testing machine body are adjusted, and when concrete fragments splash outwards, the concrete fragments are collected into the base under the protection action of the protective cover and the protective cover; through actuating mechanism and chucking mechanism, can raise the protection casing and realize with the chucking of protective cover, when carrying out the strength test, protection casing and protective cover can be with concrete piece including receiving to put, reduce the concrete piece outwards to splash, are convenient for clear up the concrete piece.

Optionally, the driving mechanism includes a rotating gear, an internal gear and a driving motor, the rotating gear is coaxially arranged with the screw rod, the rotating gear is meshed with the internal gear, and one end of the screw rod extending out of the base is connected with the driving motor.

By adopting the technical scheme, the driving motor is adjusted, the driving shaft of the driving motor drives the screw to rotate, the screw drives the rotating gear to rotate, and the screw can be synchronously driven to rotate under the action of the internal gear, so that the supporting lug pieces drive the protective cover to lift along the length direction of the screw; the driving motor is arranged, so that power can be provided for lifting the protective cover, and labor force is reduced; the arranged internal gear can drive the two screw rods to rotate, so that the lifting of the supporting lug pieces is convenient to realize; the actuating mechanism who sets up can make the protection casing go up and down, is convenient for realize the protection to the concrete test block, reduces splashing of concrete piece.

Optionally, two ends of the screw rod are provided with limiting rings.

Through adopting above-mentioned technical scheme, the spacing ring that sets up can carry on spacingly to the motion of supporting the auricle, makes the effective range activity of supporting the auricle at the screw rod, reduces the damage.

Optionally, the clamping mechanism includes joint piece and joint spring, the joint groove has been seted up on the protective cover, the joint spring is located the joint inslot, the one end of joint spring with the diapire in joint groove is connected, the other end with the joint piece is connected.

By adopting the technical scheme, when the protective cover moves upwards, the protective cover extrudes the clamping block, the clamping block extrudes the clamping spring under the action of pressure, the clamping spring is compressed under the action of stress, and after the protective cover stops moving, the clamping block is clamped with the protective cover, so that the protective cover is connected with the protective cover; the chucking mechanism that sets up can carry out spacing chucking to the protection casing, strengthens the connection performance between protection casing and the protective cover, makes the concrete piece can be received well and put in protection casing and protective cover, reduces the concrete piece and splashes.

Optionally, the joint piece is close to the one end of joint spring is provided with the joint ring, the cell wall in joint groove be provided with be used for with the joint ring carries out the stopper of butt.

Through adopting above-mentioned technical scheme, the stopper of setting can realize with the butt of joint ring, makes partly in the joint inslot of joint piece, and then makes the joint spring be in effectual home range, is convenient for keep the chucking performance of joint piece to the protection casing.

Optionally, one end of the clamping block, which is far away from the clamping spring, is spherically arranged.

Through adopting above-mentioned technical scheme, the fixed and unblock of joint piece and protection casing is convenient for realize to the joint piece that globular setting, reduces the wearing and tearing between joint piece and the protection casing, increase of service life.

Optionally, a limiting hole for inserting the clamping block is formed in the side wall of the top of the protective cover.

Through adopting above-mentioned technical scheme, the spacing hole that sets up, the insertion of the joint piece of being convenient for strengthens the chucking intensity between joint piece and the protection casing, strengthens the connection performance between protection casing and the protective cover.

Optionally, a blocking cover for blanking is arranged on the base.

Through adopting above-mentioned technical scheme, the shutoff lid that sets up can receive the concrete piece and put, is convenient for regularly clear up the concrete piece.

Optionally, the blowing device includes hair-dryer and at least one exhaust column, the hair-dryer is located on the base, the one end of exhaust column with the air outlet of hair-dryer is connected, and the other end runs through the protective cover setting.

Through adopting above-mentioned technical scheme, adjust the hair-dryer, go out the fan and blow to the exhaust column, can blow off the concrete bits on the mould, be convenient for collect the concrete bits.

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

1. the protective cover can be lifted and clamped with the protective cover through the driving mechanism and the clamping mechanism, when the strength test is carried out, concrete fragments can be contained in the protective cover and the protective cover, the concrete fragments are prevented from splashing outwards, the concrete fragments are convenient to clean, meanwhile, the bending strength test can be conveniently carried out on a subsequent concrete test block, and the use efficiency of the testing machine body is improved;

2. the driving mechanism is arranged, so that the protective cover can be lifted, the concrete test block can be conveniently protected, and the splashing of concrete fragments is reduced;

3. the chucking mechanism that sets up can carry out spacing chucking to the protection casing, strengthens the connection performance between protection casing and the protective cover, makes the concrete piece can be received well and put in protection casing and protective cover, reduces the concrete piece and splashes.

Drawings

Fig. 1 is a schematic overall structure diagram of a concrete bending resistance testing machine according to an embodiment of the present application.

Fig. 2 is a sectional view of a concrete bending resistance testing machine according to an embodiment of the present application.

Fig. 3 is a schematic view of a guard of an embodiment of the present application.

Fig. 4 is an enlarged schematic view of a portion a of fig. 2.

Description of reference numerals: 1. a base; 11. a blocking cover; 2. a testing machine body; 3. an upper clamp; 4. a protective cover; 41. accommodating grooves; 42. a chucking mechanism; 421. a clamping block; 422. clamping a spring; 423. a clamping groove; 424. a snap ring; 425. a limiting block; 5. a blowing device; 51. a blower; 52. a blowpipe; 6. a guard; 61. a protective cover; 62. a support tab; 63. a screw; 64. a drive mechanism; 641. a rotating gear; 642. an internal gear; 643. a drive motor; 65. a limiting ring; 66. and a limiting hole.

Detailed Description

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

The embodiment of the application discloses concrete bending resistance testing machine. Referring to fig. 1, concrete bending test machine includes base 1, be located testing machine body 2 on base 1, be located last anchor clamps 3 on testing machine body 2, be located protective cover 4 on last anchor clamps 3, be located blowing device 5 on base 1 and be located protector 6 on base 1, testing machine body 2 passes through the bolt fastening on base 1, protective cover 4 cover is established on last anchor clamps 3, and protective cover 4 can be followed last anchor clamps 3 and slided, protector 6 is located the bottom setting of protective cover 4.

Referring to fig. 1, the blowing device 5 includes a blower 51 and an exhaust pipe 52, a base of the blower 51 is fixed on the base 1 by bolts, one end of the exhaust pipe 52 is connected to an air outlet of the blower 51 by a flange, the other end of the exhaust pipe penetrates through the protecting cover 4, and by adjusting the blower 51, the air outlet pipe can blow air into the protecting cover 4, so that concrete fragments fall from the upper clamp 3.

Referring to fig. 2 and 3, the protection device 6 includes a protection cover 61, two supporting lugs 62, two screws 63 and a driving mechanism 64, the supporting lugs 62 are integrally connected with the bottom of the protection cover 61, the screws 63 penetrate through one end of the supporting lugs 62 and are rotatably connected with the base 1 through bearings, inner rings of the bearings are in interference fit with the screws 63, outer rings of the bearings are in interference fit with the base 1, and the screws 63 are distributed along the height direction of the base 1. The screw 63 is connected to a driving mechanism 64, the driving mechanism 64 includes a rotation gear 641, an internal gear 642 and a driving motor 643, the rotation gear 641 is coaxially disposed with the screw 63, the rotation gear 641 is welded on the screw 63, and two rotation gears 641 are engaged with the internal gear 642, one end of the screw 63 extending out of the base 1 is welded with a driving shaft of the driving motor 643, and a base of the driving motor 643 is fixed on the base 1 by bolts. The two ends of the screw 63 are welded with limiting rings 65, the limiting rings 65 are coaxial with the screw 63, and the limiting rings 65 can limit the movement of the supporting lug plates 62, so that the supporting lug plates 62 are located in the effective moving range of the screw 63. The bottom of protection casing 61 is provided with and is located shutoff lid 11 on the base 1 diapire, and shutoff lid 11 passes through the bolt and realizes fixed with base 1. Be provided with holding tank 41 on the protective cover 4, holding tank 41 can supply the top of protection casing 61 to insert, and the cell wall of holding tank 41 is provided with a plurality of chucking mechanism 42.

Referring to fig. 4, chucking mechanism 42 includes joint piece 421 and joint spring 422, has seted up joint groove 423 on the protective cover 4, and joint spring 422 is located joint groove 423, and joint spring 422's one end and the diapire welding of joint groove 423, the other end and the welding of joint piece 421, and joint spring 422 is in compression state. One end of the clamping block 421 close to the clamping spring 422 is integrally connected with a clamping ring 424, the groove wall of the clamping groove 423 is integrally connected with a limiting block 425 used for abutting against the clamping ring 424, and the limiting block 425 limits a part of the clamping block 421 in the clamping groove 423 to enable the clamping block 421 to keep compressing the clamping spring 422 all the time. The spherical clamping block 421 is convenient for clamping and unlocking the protective cover 61 because one end of the clamping block 421, which is far away from the clamping spring 422, is spherical. Offer on the top lateral wall of protection casing 61 and supply joint piece 421 male spacing hole 66, joint piece 421 inserts spacing hole 66, can strengthen the connectivity between protective cover 4 and the protection casing 61.

The implementation principle of the concrete bending resistance testing machine in the embodiment of the application is as follows: before the concrete test block is subjected to strength test, the driving motor 643 is adjusted, the driving shaft of the driving motor 643 drives the screw 63 to rotate, the screw 63 drives the rotating gear 641 to rotate, under the action of the internal gear 642, the two screws 63 can be synchronously driven to rotate, and then the supporting lug 62 drives the protective cover 61 to lift along the length direction of the screw 63. When the top of protection casing 61 gets into holding tank 41, the top extrusion joint piece 421 of protection casing 61, joint piece 421 receive pressure extrusion joint spring 422, and joint spring 422 atress compression, after protection casing 61 motion stops, spacing hole 66 is gone into to joint piece 421 card, realizes the chucking of joint piece 421 and protection casing 61, and then realizes being connected of protection casing 61 and protective cover 4. Then, adjust hair-dryer 51 and testing machine body 2, when the concrete piece outwards splashes, under the guard action of protection casing 61 and protective cover 4, the concrete piece is received in base 1, and hair-dryer 51 blows off remaining concrete piece through blowpipe 52 and gets into in the base 1, and after finishing using, adjusts shutoff lid 11, will fall into the inside concrete piece of protection casing 61 and concentrate and handle.

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

Claims

1. The utility model provides a concrete bending test machine which characterized in that: comprises a base (1), a testing machine body (2) arranged on the base (1), an upper clamp (3) arranged on the testing machine body (2), a protective cover (4) arranged on the upper clamp (3), a material blowing device (5) arranged on the base (1) and a protective device (6) arranged on the base (1), wherein the testing machine body (2) is arranged on the base (1), the protective cover (4) is sleeved on the upper clamp (3), the protective cover (4) can slide along the upper clamp (3), the protective device (6) is arranged at the bottom of the protective cover (4), the protective device (6) comprises a protective cover (61), a supporting lug piece (62), two screw rods (63) and a driving mechanism (64), and the supporting lug piece (62) is connected with the bottom of the protective cover (61), screw rod (63) run through the one end that supports auricle (62) with base (1) rotates and is connected, screw rod (63) are connected with actuating mechanism (64), be provided with on protective cover (4) and supply top male holding tank (41) of protection casing (61), the cell wall of holding tank (41) is provided with a plurality of be used for right protection casing (61) carry out chucking clamping mechanism (42).

2. The concrete bending tester according to claim 1, wherein: the driving mechanism (64) comprises a rotating gear (641), an internal gear (642) and a driving motor (643), wherein the rotating gear (641) is coaxially arranged with the screw rod (63), the rotating gear (641) is meshed with the internal gear (642), and one end, extending out of the base (1), of the screw rod (63) is connected with the driving motor (643).

3. The concrete bending tester according to claim 1, wherein: and two ends of the screw (63) are provided with limiting rings (65).

4. The concrete bending tester according to claim 1, wherein: chucking mechanism (42) are including joint piece (421) and joint spring (422), joint groove (423) have been seted up on protective cover (4), joint spring (422) are located in joint groove (423), the one end of joint spring (422) with the diapire in joint groove (423) is connected, the other end with joint piece (421) are connected.

5. The concrete bending tester according to claim 4, wherein: joint piece (421) are close to the one end of joint spring (422) is provided with joint ring (424), the cell wall of joint groove (423) be provided with be used for with stopper (425) that joint ring (424) carry out the butt.

6. The concrete bending tester according to claim 4, wherein: the end, far away from the clamping spring (422), of the clamping block (421) is arranged spherically.

7. The concrete bending tester according to claim 4, wherein: the top side wall of the protective cover (61) is provided with a limiting hole (66) for inserting the clamping block (421).

8. The concrete bending tester according to claim 1, wherein: the base (1) is provided with a blocking cover (11) for blanking.

9. The concrete bending tester according to claim 1, wherein: blowing device (5) include hair-dryer (51) and at least one exhaust column (52), hair-dryer (51) are located on base (1), the one end of exhaust column (52) with the air outlet of hair-dryer (51) is connected, and the other end runs through protective cover (4) set up.