CN211717936U

CN211717936U - Constant-loading cement bending-resisting and compression-resisting integrated machine

Info

Publication number: CN211717936U
Application number: CN202020347837.4U
Authority: CN
Inventors: 黄志广; 王子平; 陈建; 吴杰; 陈嘉炫
Original assignee: Zhejiang Darch Housing Engineering Co ltd
Current assignee: Zhejiang Darch Housing Engineering Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-10-20
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a constant-loading cement bending and compression resistant integrated machine, which relates to material performance detection equipment and is used for solving the problem of narrow application range of common detection equipment, and comprises a workbench, an upper frame fixed on the workbench, an upper clamp seat arranged on the upper frame in a lifting way, and a lower clamp seat arranged on the workbench, wherein the lower clamp seat comprises a base arranged on the workbench, at least two sliding grooves arranged on the base, a first lower support seat and a second lower support seat respectively connected in the two sliding grooves in a sliding way, the projection of the upper clamp seat on the base is positioned between the two lower support seats, and a driving component for driving the two lower support seats to move is arranged on the upper frame; the first lower supporting seat and the second lower supporting seat are arranged on the base in a mode of being embedded into the sliding groove in the base, and the two lower supporting seats are driven by the driving assembly to move on the base, so that the function of adjusting the distance between the two lower supporting seats is realized, and the test device can be suitable for test of test blocks with different specifications.

Description

Constant-loading cement bending-resisting and compression-resisting integrated machine

Technical Field

The utility model relates to a material performance detection equipment field, in particular to anti resistance to compression all-in-one of bending of permanent loading cement.

Background

The constant-loading cement bending and compression resistant integrated machine is mainly used for the bending and compression resistant strength test of cement, has the advantages of compact structure and simplicity in operation, and is indispensable equipment for detecting the bending and compression resistant performance of cement in cement factories, building engineering units, quality inspection stations, universities and colleges.

At present, the Chinese utility model with the authorization notice number CN201302564Y discloses a cement mortar bending and compression resistance integrated testing machine, the bending and compression testing machine is combined into a whole and comprises a workbench, a lower box body, a touch display screen, a bending testing system, a compression testing system, a loading system and a controller, wherein the touch display screen, the bending testing system, the compression testing system, the loading system and the controller are electrically controlled and connected, the bending testing system, the compression testing system and the touch display screen are respectively arranged on the workbench, the loading system is electrically controlled and connected with the controller, the loading system is arranged in the lower box body, the loading system comprises a motor, an oil pump, an oil tank, a valve plate, a proportional control valve and a reversing valve, the device is electrically connected with a controller, a reversing valve is arranged on a valve plate and at the rear end of a proportional control valve, and the reversing valve is respectively connected with a large oil cylinder of an anti-bending test system and a small oil cylinder oil pipe of a compression test system. The dual-purpose machine has the advantages of dual purposes, simple structure, simplicity and convenience in operation, and capability of greatly improving the working efficiency.

However, when the cement bending and compression testing machine is used, the two lower fixture seats on the bending machine are fixed on the base, and the distance between the two lower fixture seats cannot be adjusted, so that the cement bending and compression testing machine can only be used for testing the bending and compression resistance of cement of one specification, and has limitation.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide an anti resistance to compression all-in-one of permanent loading cement can adjust the distance between the anchor clamps seat down, changes the space size of placing of coupon to make its detection that can be applicable to more specification cements.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an anti resistance to compression all-in-one of book of permanent loading cement, includes the workstation, be fixed in last frame, go up and down to set up in last frame last anchor clamps seat, set up on the workstation and be located the lower anchor clamps seat of anchor clamps seat below, anchor clamps seat is including installing base on the workstation, at least twice set up the sliding tray on the base, first under bracing seat and the second under bracing seat of difference sliding connection in two sliding trays down, the projection of going up anchor clamps seat on the base is located between two under bracing seats, and is provided with in last frame to be used for ordering about first under bracing seat and second under bracing seat and is the drive assembly of opposite directions or back of the body motion.

By adopting the scheme, when the sizes of the concrete blocks and other types to be detected change, the two lower supporting seats can be driven by the driving assembly to move in opposite directions or in opposite directions, so that the size of a placing space of the sample block changes along with the sample block, the sample block can be placed on the device to perform a bending and compression resistance test, and the purpose of improving the application range of the all-in-one machine is achieved.

The utility model discloses can further set up to in a preferred example: the driving assembly comprises a screw rod, a rotating sleeve, a first connecting rod and a second connecting rod, wherein the screw rod is installed on an upright post of the upper rack in a threaded mode, the rotating sleeve is installed on one end, penetrating through the upright post of the upper rack, of the screw rod in a rotating mode, one end of the rotating sleeve is hinged to the rotating sleeve, the other end of the rotating sleeve is hinged to the first lower supporting seat, one end of the second connecting rod is hinged to the rotating sleeve, the other end of the second connecting rod is hinged to the second lower.

Through adopting above-mentioned scheme, the screw rod is worn to establish on first stand through the screw-thread fit, can control advancing or retreating of screw rod through rotatory screw rod, first connecting rod and second connecting rod and two lower anchor clamps seats, swing joint forms link mechanism between the rotation cover on the screw rod, and then make the screw rod, first connecting rod and the linkage of second connecting rod, the extension line of the axis of rotation of screw rod lies in between two lower support seats and can ensures screw rod and first simultaneously, form Y word structure after the second connecting rod links to each other, like this when the screw rod is at the in-process of back motion, just can transmit power for two lower support seats better through two connecting rods, thereby promote two lower support seats better and produce the motion.

The utility model discloses can further set up to in a preferred example: the rotating sleeve is provided with two connecting pieces, the first lower supporting seat and the second lower supporting seat are also provided with connecting pieces respectively, and the first connecting rod and the second connecting rod are connected with the rotating sleeve, the first lower supporting seat and the second lower supporting seat through the connecting pieces respectively.

Through adopting above-mentioned scheme, the connection piece is used for increasing connection area and strengthens connection structure to make first connecting rod and second connecting rod can be connected with screw rod, first lower supporting seat, second lower supporting seat better.

The utility model discloses can further set up to in a preferred example: and a handle is arranged at one end of the screw rod, which is far away from the rotating sleeve.

By adopting the scheme, the handle can increase the force arm when the screw rod is twisted, and further reduce the force required for rotating the screw rod, thereby achieving the aim of saving labor.

The utility model discloses can further set up to in a preferred example: go up anchor clamps seat, first lower bearing seat, second lower bearing seat and all include the backup pad, rotate the live-rollers of installing in the backup pad, the backup pad is used for serving with concrete block contact and has seted up the installation notch, the live-rollers is located the installation notch.

Because the middle part of the sample block can be sunken downwards in the process of being extruded, in the process, the contact parts of the upper clamp seat, the first lower supporting seat and the second lower supporting seat and the sample block can be deviated, in the process, due to the action of the extrusion force, the friction force among the upper clamp seat, the first lower support seat, the second lower support seat and the sample block is too large, the deformation of the sample block is involved, and further the experimental data is inaccurate, after the upper clamp seat, the first lower supporting seat and the second lower supporting seat are provided with the rotating rollers, the friction force among the upper clamp seat, the first lower supporting seat and the sample block can be converted into rolling friction from the original sliding friction, the numerical value of the friction force is greatly reduced on the original basis, therefore, the adverse effect on the anti-bending and anti-compression test of the sample block is reduced, and the aim of improving the accuracy of the test result is fulfilled.

The utility model discloses can further set up to in a preferred example: the cross section of the sliding groove can be one or more of dovetail shape, T shape or L shape.

Through adopting above-mentioned scheme, the shape setting of sliding tray needs to ensure first, second lower supporting seat can not break away from with the base in the operation process, just so can ensure experimental smooth going on, and structures such as dovetail, T font and L font have the characteristics that inside size is big and opening size is little, consequently can restrict two lower supporting seats and break away from the base.

The utility model discloses can further set up to in a preferred example: the base is carved with scale marks, and the value of the scale marks corresponds to the distance between the first lower supporting seat and the second lower supporting seat.

Through adopting above-mentioned scheme, because the setting of scale mark, when adjusting the distance between two lower carriage seats, can directly observe the scale mark and learn the distance between the anchor clamps seat down to reach the purpose of convenient regulation.

The utility model discloses can further set up to in a preferred example: the upper rack is provided with a protection device, the protection device comprises a front guardrail and a rear guardrail, one side of each of the front guardrail and the rear guardrail is hinged to the upper rack, and the other side of each of the front guardrail and the rear guardrail is detachably fixed to the upper rack.

Through adopting above-mentioned scheme, owing to be connected with preceding guardrail and back guardrail on first stand and second stand, this protection device can block the cement bits that produce when cement is broken, plays the guard action to the experimenter to improve equipment's factor of safety.

The utility model discloses can further set up to in a preferred example: the hinged sides of the front guardrail and the rear guardrail are arranged on the upper frame in a hinge connection mode, and the other side of the front guardrail and the rear guardrail is connected with the upper frame through a bolt

By adopting the above scheme, because hinge connection is used to one side of preceding guardrail and rear guardrail, make preceding guardrail and rear guardrail can open and shut, and the opposite side passes through the latch connection, can close and open preceding guardrail and rear guardrail at any time, conveniently places cement and cleans the sweeps.

To sum up, the utility model discloses following at least one beneficial effect has:

1. the first lower supporting seat and the second lower supporting seat are arranged on the base in a manner of being embedded into a sliding groove on the base, and the two lower supporting seats are driven to move on the base through the driving assembly, so that the function of adjusting the distance between the two lower supporting seats is realized, and the test device can be suitable for test of test blocks with different specifications;

2. the screw rod, the first connecting rod and the second connecting rod form a self-locking connecting rod mechanism through hinging, the lower clamp seat can be driven or fixed only under the action of the screw rod, the first connecting rod and the second connecting rod, and the lower clamp seat has double functions of fixing and driving the lower clamp seat;

3. the special cross-sectional shape of the sliding groove enables the opening width of the sliding groove to be smaller than the width of the inner cavity of the sliding groove, so that the sliding groove can be limited to enable the two lower supporting seats matched with the sliding groove to be separated from the sliding groove, and a test sample block can be tested smoothly.

4. The setting of preceding guardrail and back guardrail can block the crushed grain that the coupon splashes out when the rupture to increase factor of safety, and the connected mode through bolt and hinge can control the switching of preceding guardrail and back guardrail at any time, conveniently place and take out the coupon and clean the piece.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic structural diagram of a base in the present embodiment;

FIG. 4 is a cross-sectional view of the connection between the lower support base and the base;

fig. 5 is an overall structure diagram of the constant-loading anti-compression and anti-bending integrated machine of the embodiment.

In the figure: 1. a work table; 2. an upper frame; 3. an upper clamp seat; 31. a cylinder; 4. a lower clamp base; 41. a base; 411. calibration; 42. a sliding groove; 43. a first lower support seat; 44. a second lower support base; 441. a support plate; 442. a rotating roller; 443. a slider; 444. installing a notch; 5. a drive assembly; 51. a screw; 52. rotating the sleeve; 53. a first link; 54. a second link; 55. connecting sheets; 6. a protection device; 61. a front guardrail; 62. a rear guardrail; 63. a hinge; 64. and (4) a bolt.

Detailed Description

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

As shown in figure 1, the constant-loading cement compression-resistant and bending-resistant integrated machine comprises a workbench 1, an upper frame 2, an upper clamp seat 3 and a lower clamp seat 4, wherein the upper frame 2 is arranged on the workbench 1, the upper clamp seat 3 is installed on the surface, facing the workbench 1, of the upper frame 2 in a lifting mode through a cylinder 31, and the upper clamp seat 3 can be controlled to move up and down through the extension and contraction of a piston rod of the cylinder 31.

As shown in fig. 1 and 3, the lower clamp base 4 includes a base 41, a sliding groove 42, a first lower support seat 43, and a second lower support seat 44, wherein the base 41 is mounted on the worktable 1 and is located right below the upper clamp base 3; the base 41 is provided with a scale 411 for indicating the distance between the first lower support seat 44 and the second lower support seat 44; the sliding grooves 42 are provided with at least two, preferably two, sliding grooves 42 are provided on the upper surface of the base 41, the cross section of each sliding groove 42 is one or more of a dovetail shape, a T shape or an L shape, and the two sliding grooves 42 are located on the same straight line.

As shown in fig. 4, the first lower support seat 43, the second lower support seat 44 and the upper clamp seat 3 have the same structure, and each of them includes a support plate 441 and a rotating roller 442, the support plate 441 is flat, a sliding block 443 is convexly formed at one end of the support plate 441 of the first lower support seat 43 and the second lower support seat 44, the cross section of the sliding block 443 is polygonal matched with the sliding groove 42, the support plates 441 of the first lower support seat 43 and the second lower support seat 44 are slidably connected to the base 41 through the matching of the sliding block 443 and the sliding groove 42, and the support plate 441 of the upper clamp seat 3 is hinged to the piston cylinder of the cylinder 31, so that it can be adjusted according to the surface gradient of the sample block, and further better apply force to the sample block; an installation notch 444 is formed in the first and second lower supporting seats 44 and one end, which is used for being in contact with the sample block, of the supporting plate 441 of the upper fixture seat 3, the rotating roller 442 is rotatably installed in the installation notch 444, so that the friction force generated when the three are in contact with the sample block is rolling friction, and meanwhile, the upper fixture seat 3 is located between the first and second lower supporting seats 44, and a test space for bending the sample block is formed between the three.

As shown in fig. 1 and 2, a driving assembly 5 for driving the first lower supporting seat and the second lower supporting seat 44 to move toward or away from each other is disposed on the upper frame 2, the driving assembly 5 includes a screw 51, a rotating sleeve 52, a first connecting rod 53, and a second connecting rod 54, the screw 51 is connected to one of the columns of the upper frame 2 by a thread, the rotating sleeve 52 is rotatably mounted on one end of the screw 51 penetrating through the column and close to the two lower supporting seats, and the rotating sleeve 52 and the screw 51 are in a pure rotational relationship; the connecting piece 55 is integrally arranged on the rotating sleeve 52, the first lower supporting seat 43 and the second lower supporting seat 44, one end of the first connecting rod 53 is hinged to the connecting piece 55 on the rotating sleeve 52, the other end of the first connecting rod is hinged to the connecting piece 55 on the first lower supporting seat 43, one end of the second connecting rod 54 is hinged to the other connecting piece 55 on the rotating sleeve 52, and the other end of the second connecting rod is hinged to the connecting piece 55 on the second lower supporting seat 44, at the moment, the screw rod 51, the first connecting rod 53 and the second connecting rod 54 form a connecting rod transmission structure, and the extension line of the rotating shaft of the screw rod 51 is positioned between the first lower supporting seat 43 and the second lower supporting seat 44, so that the force of the forward and backward movement of the screw rod 51 can be better transmitted to the first lower supporting seat 43 and the second lower supporting seat.

As shown in fig. 5, be provided with protection device 6 outside upper frame 2, protection device 6 includes front guardrail 61 and rear guardrail 62, one side and the first stand of front guardrail 61 and rear guardrail 62 adopt hinge 63 to be connected, one side that first stand was kept away from to front guardrail 61 and rear guardrail 62 adopts bolt 64 to connect, guarantee the closure of front guardrail 61 and rear guardrail 62, and also conveniently open front guardrail 61 and rear guardrail 62, and easy operation, convenient and practical, protection device 6 that sets up simultaneously has the particle that probably splashes when blockking the cement anti-fracture experiment, and make front guardrail 61 and rear guardrail 62 can conveniently open and shut the effect.

The specific implementation principle is as follows: when carrying out the cement compressive strength of rolling over and detecting, to the cement of different specifications, thereby at first rotatory handle makes screw 51 on the first stand advance or retreat and drive first connecting rod 53 and the motion of second connecting rod 54, drive two lower anchor clamps seats 4 by first connecting rod 53 and second connecting rod 54 and slide in sliding tray 42, make the distance between lower anchor clamps seat 4 can be adjusted, after the adjustment is accomplished, place the steady cement on lower anchor clamps seat 4 again, thereby reach the purpose that can test different specification cements.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an anti resistance to compression all-in-one of rolling over of permanent loading cement, includes workstation (1), is fixed in last frame (2) on workstation (1), goes up and down to set up last anchor clamps seat (3) on last frame (2), sets up on workstation (1) and is located lower anchor clamps seat (4) of last anchor clamps seat (3) below, its characterized in that: lower clamp seat (4) including install base (41) on workstation (1), at least twice set up sliding tray (42) on base (41), first lower bearing seat (43) and second lower bearing seat (44) in two sliding tray (42) of sliding connection respectively, go up clamp seat (3) projection on base (41) and be located between two lower bearing seats, and be provided with on last frame (2) and be used for driving about first lower bearing seat (43) and second lower bearing seat (44) and do drive assembly (5) of opposite directions or back of the body motion mutually.

2. The constant-loading cement bending-resisting and compression-resisting integrated machine according to claim 1, characterized in that: the driving assembly (5) comprises a screw rod (51) which is installed on an upright post of the upper rack (2) in a threaded mode, a rotating sleeve (52) which is installed on one end, penetrating through the upright post of the upper rack (2), of the screw rod (51) in a rotating mode, a first connecting rod (53) with one end hinged to the rotating sleeve (52) and the other end hinged to the first lower supporting seat (43), and a second connecting rod (54) with one end hinged to the rotating sleeve (52) and the other end hinged to the second lower supporting seat (44), wherein the extending line of the rotating shaft of the screw rod (51) is located between the first lower supporting seat (43) and the second lower supporting seat (44).

3. The constant-loading cement bending and compression resistant integrated machine according to claim 2, characterized in that: the connecting device is characterized in that two connecting pieces (55) are arranged on the rotating sleeve (52), the first lower supporting seat (44) and the second lower supporting seat (44) are respectively provided with the connecting pieces (55), and the first connecting rod (53) and the second connecting rod (54) are respectively connected with the rotating sleeve (52), the first lower supporting seat (43) and the second lower supporting seat (44) through the connecting pieces (55).

4. The constant-loading cement bending and compression resistant integrated machine according to claim 2, characterized in that: and a handle is arranged at one end of the screw rod (51) far away from the rotating sleeve (52).

5. The constant-loading cement bending-resisting and compression-resisting integrated machine according to claim 1, characterized in that: the upper clamp seat (3), the first lower support seat (43) and the second lower support seat (44) comprise a support plate (441) and a rotating roller (442) rotatably mounted on the support plate (441), one end of the support plate (441) which is used for being in contact with a concrete block is provided with a mounting notch (444), and the rotating roller (442) is located in the mounting notch (444).

6. The constant-loading cement bending-resisting and compression-resisting integrated machine according to claim 1, characterized in that: the cross section of the sliding groove (42) can be one or more of dovetail shape, T shape or L shape.

7. The constant-loading cement bending-resisting and compression-resisting integrated machine according to claim 1, characterized in that: the base (41) is carved with scale marks (411), and the value of the scale marks (411) corresponds to the distance between the first lower supporting seat and the second lower supporting seat (44).

8. The constant-loading cement bending-resisting and compression-resisting integrated machine according to claim 1, characterized in that: go up to be provided with protection device (6) on frame (2), protection device (6) include front guardrail (61) and rear guardrail (62), front guardrail (61) and rear guardrail (62) are one side and articulate on last frame (2) and opposite side detachably is fixed in on last frame (2).

9. The constant-loading cement bending and compression resistant integrated machine according to claim 8, characterized in that: the hinged sides of the front guardrail (61) and the rear guardrail (62) are arranged on the upper frame (2) in a hinge (63) connection mode, and the other sides of the front guardrail and the rear guardrail are connected with the upper frame (2) through bolts (64).