CN211262942U

CN211262942U - Electric anti-bending testing machine for cement

Info

Publication number: CN211262942U
Application number: CN201921793440.1U
Authority: CN
Inventors: 杨德勇; 陈武双
Original assignee: Sichuan Zongsheng Special Cement Co ltd
Current assignee: Sichuan Zongsheng Special Cement Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-08-14
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to an electronic bending test machine of cement belongs to cement check out test set field, the on-line screen storage device comprises a base, the screw rod of lower extreme threaded connection on the base, the hand wheel has set gradually from bottom to top on the screw rod, bending fixture, the vertical fixed support that is provided with of base, it is provided with two carriages to slide along the horizontal direction on the support, be provided with in the carriage and be used for accepting the clastic tray of test body, the carriage is located the both sides of screw rod respectively, be provided with on the support and be used for making a carriage when sliding on the support, the transmission assembly that another carriage was close to or was. When carrying out anti book experiment, operating personnel puts the tray in the carriage earlier, and a carriage that slides again is close to the screw rod, including two carriage concatenations and with the screw rod centre gripping, the piece that drops in the experimentation is held by the tray, but operating personnel tray take out to concentrate and empty, prevents that the piece from influencing the follow-up use of testing machine, and piece clearance is convenient, has improved work efficiency greatly.

Description

Electric anti-bending testing machine for cement

Technical Field

The utility model relates to a cement check out test set field, in particular to electronic bending test machine of cement.

Background

The electric bending strength tester for cement is mainly used for testing the bending strength of cement soft-refining mortar in cement factories, building construction units and scientific research units of related professional colleges and universities, and can be used for testing the bending strength of other non-metal brittle materials.

Chinese patent with grant publication number CN207231906U discloses an electric bending resistance testing machine, which comprises a machine base, the machine base includes a beam, a base and a support rod, wherein the beam is hinged with a double-arm lever mechanism, the double-arm lever mechanism includes a main lever hinged on the beam and transversely arranged, an auxiliary lever hinged on the beam and transversely arranged, and a pull rod hinged between the main lever and the auxiliary lever and vertically arranged, the main lever is connected with a sliding weight in a sliding manner, a transmission screw rod for providing transverse power for the sliding weight is arranged below the main lever, an upper clamp is hinged on the auxiliary lever, a lower clamp is arranged on the base, the upper clamp is connected on the auxiliary lever in a sliding manner, and the lower clamp is connected on the base in a sliding manner. The distance between the upper clamp and the lower clamp and the supporting rod are adjusted simultaneously, so that two ranges are provided, and the two ranges are convenient to switch.

However, the electric anti-bending cement testing machine can break the test body when performing the anti-bending test on cement, broken test body fragments can be scattered on the hand wheel and the base, and a large amount of fragments on the hand wheel and the base below the hand wheel need to be cleaned manually after the electric anti-bending cement testing machine is used for each time, so that the electric anti-bending cement testing machine is inconvenient and has large workload.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic bending test machine of cement has the clastic advantage of convenient collection processing test body.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an electronic bending test machine of cement, includes base, lower extreme threaded connection screw rod on the base, hand wheel, bending fixture have set gradually on the screw rod from bottom to top, the vertical fixed support that is provided with of base, it is provided with two carriages to slide along the horizontal direction on the support, be provided with in the carriage and be used for accepting the clastic tray of test body, two the carriage is located and is higher than the hand wheel and be less than bending fixture's same horizontal plane, two the carriage is located the both sides of screw rod respectively, the tray is close to and is provided with the recess that matches with the screw rod size on the lateral wall of screw rod, be provided with on the support and be used for making a carriage when sliding on the support, the transmission assembly that another carriage was close to or.

Through the technical scheme, before the anti-bending test is carried out, an operator slides one sliding frame to be away from the screw rod, the other sliding frame is driven by the transmission assembly to be away from the screw rod synchronously, then adjusts the hand wheel and the anti-bending clamp, after the testing machine is adjusted, the tray is placed in the sliding frame, then slides one sliding frame to be close to the screw rod, drives the other sliding frame to be close to synchronously after the transmission assembly is driven, until the two sliding frames are spliced together, and the grooves on the two trays are spliced to form the annular through hole to clamp the screw rod, so that the chips falling after the test piece is crushed in the testing process are received, after the chips are accumulated more, the operator directly takes out the trays and intensively dumps the chips, the chips can be thoroughly cleaned, the chips are prevented from influencing the subsequent use of the testing machine, the chips are conveniently cleaned, and the adjustment work of the testing machine, the working efficiency is greatly improved.

The utility model discloses further set up to: the transmission assembly comprises an upper rack, a lower rack and a gear, the upper rack is fixedly connected to the wall of a sliding frame close to the screw rod, the lower rack is fixedly connected to the wall of another sliding frame close to the screw rod, the upper rack is located above the lower rack, the tooth tip of the upper rack faces downwards, the tooth tip of the lower rack faces upwards, the gear is rotatably arranged on the support, the axis extension line of the gear is perpendicular to and coplanar with the axis of the screw rod, the upper portion of the gear is meshed with the upper rack, and the lower portion of the gear is meshed with the lower rack.

Through the technical scheme, when an operator pushes one sliding frame to move, the gear is driven to rotate through the meshing of the rack behind the back and the gear, and the other sliding frame is driven to be synchronously close to or far away from the support through the meshing of the gear and the other rack, so that the workload of the operator when the operator moves the sliding frame is simplified, and the working efficiency is improved.

The utility model discloses further set up to: the side wall of the sliding frame far away from the support is provided with a drawing hole for sliding the tray, and the sliding frame is provided with a limiting part for limiting the tray in the sliding frame.

Through the technical scheme, an operator can pull out the tray or insert the sliding frame through the pull hole from the front side, and after the tray is completely inserted into the sliding frame, the tray is fixed by using the limiting part, so that the tray can be stabilized in the sliding frame, the inconvenience that the tray is aligned after the sliding upper groove of the tray and the screw rod are staggered when the sliding frame moves is effectively avoided, and the stability of the tray in the sliding frame is improved.

The utility model discloses further set up to: the locating part is the flexure strip, flexure strip fixed connection is on the carriage is close to the inside wall of support, the flexure strip is used for the card to catch the side that the tray is close to the support.

Through above-mentioned technical scheme, insert the carriage with the tray from pull hole department at operating personnel, and when promoting to deepest, earlier with the flexure strip contact, and with flexure strip jack-up, push away to deepest back at the tray, the flexure strip sinks, and compress tightly the side that the tray is close to the support, thereby simply fix the tray, effectively avoid the tray to appear when the carriage removes the inconvenient condition of aliging after slip back tray upper groove staggers with the screw rod, promote the stability that the tray was placed in the carriage.

The utility model discloses further set up to: the fixed spring that is provided with of interior diapire of carriage, the fixed slide rail that supplies the tray to remove that is provided with of one end of the interior diapire that the carriage was kept away from to the spring, the slide rail sets up along the tray pull-out direction, the spring is used for ordering about the slide rail and keeps away from the interior diapire of carriage.

Through above-mentioned technical scheme, when operating personnel inserted the carriage with the tray, made the sliding frame slide on the slide rail roof, and in inserting the carriage, the test piece is cracked the back in the experimentation, if from dropping to the tray on anchor clamps, the tray drives the slide rail to the spring application of force to impact force when dropping the test piece through the spring plays the shock attenuation cushioning effect, effectively avoids bringing the damage to carriage and tray, improves life such as carriage and tray.

The utility model discloses further set up to: the slide rail is close to pull hole one end downward sloping setting.

Through above-mentioned technical scheme, insert the carriage in-process with the tray from the pull hole at operating personnel, the tray earlier with the slide rail on the slope section contact to extrude the spring, thereby make slide rail lower floor, the tray can insert in the carriage, and under the spring force effect between tray and the carriage and the frictional force between tray and the track, the homoenergetic makes the tray more stable, promote the tray and place back stability on the carriage.

The utility model discloses further set up to: two all fixed magnetic stripes that are provided with on the lateral wall that the carriage is close to each other, two the magnetic stripe adsorbs each other and is used for making two carriages fix an organic whole.

Through above-mentioned technical scheme, remove the carriage at operating personnel, make two carriage concatenations connect piece during operation, the magnetic stripe on two carriages adsorbs each other to make two carriages fix an organic whole, effectively avoid two carriages to appear sliding in the test process, thereby make the carriage on the tray to the gap appears to the clastic scope of accepting, promote the stability of sliding frame in connecing piece working process.

The utility model discloses further set up to: a water absorbing layer is laid in the tray.

Through above-mentioned technical scheme, put good back with test piece and carriage at operating personnel, not clean on the test piece complete maintenance water droplet and fall on the tray after by the layer absorption of absorbing water to effectively avoid moisture to pile up in tray corner department, lead to the fact the corruption to the tray, promote tray life.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

firstly, when an operator performs a bending test, placing a tray in a sliding frame, sliding one sliding frame to approach a screw rod until the two sliding frames are spliced and clamping the screw rod, wherein dropped scraps are received by the tray in the test process, the operator can take out the tray and intensively dump the tray, so that the scraps are prevented from influencing the subsequent use of the testing machine, the scraps are convenient to clean, and the working efficiency is greatly improved;

when an operator inserts the tray into the sliding frame, the sliding frame slides on the top wall of the sliding rail and is inserted into the sliding frame, and after the test piece is cracked in the test process, if the test piece falls into the tray from the clamp, the tray drives the sliding rail to apply force to the spring, so that the shock absorption and buffering effects are achieved through the spring on the impact force of the test piece when the test piece falls, the damage to the sliding frame and the tray is effectively avoided, and the service lives of the sliding frame, the tray and the like are prolonged;

third, insert the carriage in-process with the tray from the pull hole at operating personnel, the tray earlier with the slide rail on the slope section contact to the extrusion spring, thereby make slide rail lower floor, the tray can insert in the carriage, and under the spring force effect between tray and the carriage and the frictional force between tray and the track, the homoenergetic makes the tray more stable, promotes the tray and places back stability on the carriage.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view of another perspective of the present invention;

fig. 4 is an enlarged view of a portion B in fig. 3.

Reference numerals: 1. a base; 11. a screw; 12. a hand wheel; 13. an anti-bending clamp; 2. a support; 3. a carriage; 31. drawing the hole; 32. an elastic sheet; 33. a magnetic strip; 4. a tray; 41. a groove; 42. a water-absorbing layer; 5. a transmission assembly; 51. an upper rack; 52. a lower rack; 53. a gear; 6. a slide rail; 61. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figures 1 and 2, the electric cement bending tester comprises a base 1 and a screw rod 11, wherein the lower end thread of the screw rod 11 is intercepted on the base 1, and the screw rod 11 is vertically arranged. A hand wheel 12 and an anti-folding clamp 13 are sequentially arranged on the screw rod 11 from bottom to top, the hand wheel 12 is coaxially and fixedly connected to the screw rod 11, and the anti-folding clamp 13 is rotatably arranged at the top end of the screw rod 11. The support 2 is vertically arranged on one side, away from the operating surface, of the screw rod 11 on the base 1, the support 2 is n-shaped, and the lower end of the support 2 is fixed on the base 1. The wall surface of the bracket 2 close to the operation surface is fixedly provided with a horizontal track on the horizontal transverse section, and the track is provided with a sliding frame 3 in a sliding manner along the horizontal direction. Two sliding frames 3 are arranged on the support 2 in a sliding manner, and the two sliding frames 3 are respectively positioned at two sides of the screw rod 11.

As shown in fig. 3 and 4, the carriage 2 is provided with a transmission assembly 5 for synchronously moving one carriage 3 closer to or away from the carriage 2 while the other carriage 3 slides on the carriage 2, and the transmission assembly 5 comprises an upper rack 51, a lower rack 52 and a gear 53. The gear 53 is rotatably arranged on the side wall of the bracket 2 close to the screw rod 11, and the extension line of the axis of the gear 53 is perpendicular to and coplanar with the axis of the screw rod 11. Both ends of the bracket 2 are fixedly provided with flanges for preventing the sliding frame 3 from sliding off from the track. Go up rack 51 along carriage 3 slip direction fixed mounting on a carriage 3 is close to the wall of support 2 to this carriage 3 is close to screw rod 11 one side and stretches out a distance, stretches out carriage 3 and is close to when the wall of screw rod 11 goes up rack 51's length and is not less than two carriages 3 and slide to the both ends farthest distance on support 2, the interval between two carriages 3. The upper rack 51 is located above the gear 53 with the tip of the upper rack 51 facing downward, and the upper rack 51 is engaged with the upper portion of the gear 53. The lower rack 52 is fixed on the wall surface of the other sliding frame 3 close to the bracket 2 in parallel with the length direction of the upper rack 51, the wall surface of the sliding frame 3 where the lower rack 52 extends out is the same as the upper rack 51 in length, the lower rack 52 is positioned below the gear 53, the tooth tip is upward, and the lower rack is meshed with the lower part of the gear 53. The two sliding frames 3 are at equal linear distance from the screw 11.

As shown in fig. 3 and 4, a spring 61 is fixedly arranged on the inner bottom wall of the sliding frame 3, a sliding rail 6 is fixedly arranged at one end of the spring 61 far away from the sliding frame 3, and the sliding rail 6 is horizontally arranged and is vertical to the front surface of the bracket 2. The spring 61 serves to urge the slide rail 6 upwardly away from the inner bottom wall of the carriage 3. A section of the slide rail 6 away from the bracket 2 is arranged obliquely downwards. One end of the sliding frame 3, which is far away from the support 2, is provided with a drawing hole 31, a tray 4 can be inserted into the drawing hole 31, and one end of the tray 4, which is far away from the support 2, is fixed with a handle. The tray 4 slides within the carriage 3 between the top wall and the slide rails 6. Referring to fig. 1 and 2, an elastic sheet 32 for limiting the tray 4 in the sliding frame 3 is disposed on the inner side wall of the sliding frame 3 close to the support 2, the elastic sheet 32 is made of steel, and the projection shape of the elastic sheet 32 on the side wall of the sliding frame 3 perpendicular to the wall surface with the drawing hole 31 is V-shaped for clamping the side edge of the tray 4 close to the support 2. A magnetic strip 33 is fixedly arranged on the side wall of the sliding frame 3 close to the other sliding frame 3, and the magnetic strip 33 is made of a magnet. The magnetic poles on the opposite wall surfaces of the magnetic strips 33 on the two sliding frames 3 are opposite.

As shown in fig. 1 and 2, the side wall of the tray 4 close to the screw 11 is provided with a groove 41 with a size matched with that of the screw 11, and after the two sliding frames 3 are slidably spliced into a whole, the grooves 41 on the two trays 4 are spliced into a through hole and the screw 11 is clamped therein. A water absorbing layer 42 is laid in the tray 4, and the water absorbing layer 42 is made of water absorbing paper and is used for absorbing incompletely erased curing liquid dropping on the test piece.

The specific working process is as follows: before an anti-bending test is carried out, an operator slides one sliding frame 3 away from the screw rod 11, drives the gear 53 to rotate through meshing of a rack at the back and the gear 53, drives the other sliding frame 3 to synchronously keep away from the screw rod 11 on the support 2 through meshing of the gear 53 and the other rack, and then adjusts the hand wheel 12 and the anti-bending clamp 13. After the tester is adjusted, the tray 4 is placed in the sliding frame 3, one sliding frame 3 is slid to approach the screw rod 11, and the other sliding frame 3 is driven to approach synchronously through the transmission of the upper rack 51, the lower rack 52 and the gear 53 until the two sliding frames 3 are spliced together. And the grooves 41 on the two trays 4 are spliced to form an annular through hole to clamp the screw 11 inside. Thereby catch the piece that drops after the test piece breakage in the test process, after the piece accumulation is more, operating personnel directly takes out tray 4, concentrates and emptys, can carry out thorough clearance to the piece. Prevent that the piece from influencing the follow-up use of testing machine, the piece clearance is convenient to carriage 3 does not influence testing machine adjustment work after puting aside, has improved work efficiency greatly.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an electronic bending test machine of cement, includes screw rod (11) of base (1), lower extreme threaded connection on base (1), hand wheel (12), bending fixture (13), its characterized in that have set gradually from bottom to top on screw rod (11): the vertical fixed support (2) that is provided with of base (1), it is provided with two carriage (3) to slide along the horizontal direction on support (2), be provided with in carriage (3) and be used for accepting clastic tray (4) of test body, two carriage (3) are located and are higher than hand wheel (12) and be less than on the same horizontal plane of anti anchor clamps (13), two carriage (3) are located the both sides of screw rod (11) respectively, be provided with recess (41) that match with screw rod (11) size on the lateral wall that tray (4) are close to screw rod (11), be provided with on support (2) and be used for making when carriage (3) slide on support (2), transmission assembly (5) that another carriage (3) were close to or kept away from on support (2) in step.

2. The electric bending tester for cement as claimed in claim 1, wherein: drive assembly (5) include rack (51), lower rack (52) and gear (53), go up rack (51) fixed connection on a carriage (3) is close to the wall of screw rod (11), lower rack (52) fixed connection is on another carriage (3) is close to the wall of screw rod (11), it is located rack (52) top down to go up rack (51), it faces down to go up rack (51) prong, lower rack (52) prong faces up, gear (53) rotate and set up on support (2), the axis extension line and the perpendicular and coplane of screw rod (11) axis of gear (53), gear (53) upper portion and last rack (51) meshing, gear (53) lower part and lower rack (52) meshing.

3. The electric bending tester for cement as claimed in claim 1, wherein: the utility model discloses a tray (4) of drawing, including support (2), carriage (3) are kept away from on the lateral wall of support (2) and are offered pull hole (31) that supply tray (4) roll-off, be provided with on carriage (3) and be used for restricting tray (4) locating part in carriage (3).

4. The electric bending tester for cement as claimed in claim 3, wherein: the locating part is flexure strip (32), flexure strip (32) fixed connection is on carriage (3) is close to the inside wall of support (2), flexure strip (32) are used for the joint to grasp tray (4) and are close to the side of support (2).

5. The electric bending tester for cement as claimed in claim 3, wherein: the fixed spring (61) that is provided with of interior diapire of carriage (3), the fixed slide rail (6) that supply tray (4) to remove that are provided with of one end of the interior diapire that carriage (3) were kept away from in spring (61), slide rail (6) are followed tray (4) and are pulled out the direction setting, spring (61) are used for ordering about slide rail (6) and keep away from the interior diapire of carriage (3).

6. The electric bending tester for cement as claimed in claim 5, wherein: one end of the sliding rail (6) close to the drawing hole (31) is arranged in a downward inclined mode.

7. The electric bending tester for cement as claimed in claim 1, wherein: two all fixed magnetic stripe (33) that are provided with on the lateral wall that carriage (3) are close to each other, two magnetic stripe (33) adsorb each other and are used for making two carriages (3) fix an organic whole.

8. The electric bending tester for cement as claimed in claim 1, wherein: a water absorption layer (42) is laid in the tray (4).