CN210893897U - Concrete block pressure testing machine - Google Patents

Abstract

The utility model discloses a concrete block compression testing machine relates to engineering test equipment technical field, and its technical scheme main points are including frame, last plate rail, hanging wall, lower wall, sleeve and power device, the fixing device who is used for fixed test block is installed at the top of lower wall, fixing device includes the quiet splint at perpendicular rigid coupling in lower wall top, slides in two of lower wall top along the length direction of lower wall and moves splint and drive two and move the drive assembly that splint were close to or kept away from quiet splint and removed. The utility model discloses a set up fixing device, be convenient for fix the test block, therefore be convenient for test the test block.

Description

Concrete block pressure testing machine

Technical Field

The utility model relates to an engineering test equipment technical field, more specifically the saying so, it relates to a concrete block compression testing machine.

Background

In the construction process of roads, bridges and the like, a compression testing machine is needed to test the compression resistance, bending resistance and the like of concrete test blocks, members and the like so as to judge the performance of the concrete test blocks, the members and the like.

In the prior art, reference is made to the chinese utility model patent with the publication number CN202720162U, which discloses a concrete test block compression testing machine, comprising a frame, wherein an upper tray frame is arranged on a working table surface of the frame, and an upper tray connected through an upper tray rod is arranged on the upper tray frame; the lower disc is arranged right below the upper disc, the sleeve is connected below the lower disc and is in transmission connection with a power device, the power device comprises a cycloid speed reducing motor fixed at the bottom of the rack and a worm gear device fixed in the middle of the rack, the cycloid speed reducing motor is in speed reducing transmission connection with the worm gear device through a belt, and an output shaft of the worm gear device is in transmission connection with the sleeve. Through the belt speed reduction transmission who simplifies power device into cycloid gear motor and worm gear device, under the prerequisite that does not influence testing machine performance, make the volume and the weight of whole organism alleviate greatly, reduced the cost of manufacture of testing machine, simultaneously, adopt cycloid gear motor can realize the variable frequency speed governing of motor speed, make experimental operation more accurate.

However, since the fixing device for fixing the test block is not installed on the lower plate, when the lower plate is lifted together with the sleeve, the lower plate may vibrate, and the test block may be separated from the lower plate, thereby making it inconvenient to test the test block.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a concrete block compression testing machine, it is through setting up fixing device, is convenient for fix the test block, therefore is convenient for test the test block.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a concrete block compression testing machine, includes frame, upper plate rail, hanging wall, lower wall, sleeve and power device, the fixing device who is used for fixed test block is installed at the top of lower wall, fixing device includes perpendicular rigid coupling in the quiet splint at lower wall top, slides in two at the lower wall top along the length direction of lower wall and moves splint and drive two and move the drive assembly that splint were close to or kept away from quiet splint and remove.

By adopting the technical scheme, the test block is placed on the lower disc between the static clamping plate and the movable clamping plate by adhering to the static clamping plate, and then the movable clamping plate is driven by the driving assembly to move towards the static clamping plate, so that the test block can be fixed; to sum up, through setting up fixing device, be convenient for fix the test block, therefore be convenient for test the test block.

The utility model discloses further set up to: the driving assembly comprises a fixed frame vertically and fixedly connected to the top of the lower disc, a lead screw rotatably connected to the fixed frame and axially arranged along the width direction of the lower disc, a hand wheel detachably connected to one end of the lead screw, a left thread arranged on the outer peripheral surface of the lead screw, a right thread arranged on the outer peripheral surface of the lead screw, a left connecting part in threaded connection with the left thread, a left abutting block hinged to the left connecting part, a right connecting part in threaded connection with the right thread, a right abutting block hinged to the right connecting part and a rotating shaft which is rotatably connected to the left abutting block and is vertically arranged; the left connecting part and the right connecting part are connected to the top of the lower disc in a sliding manner along the width direction of the lower disc; the right abutting block is rotatably connected to the left abutting block through a rotating shaft; one end of the left abutting block, which is far away from the screw rod, and one end of the right abutting block, which is far away from the screw rod, are hinged with the two movable clamping plates respectively.

Through adopting above-mentioned technical scheme, rotate the lead screw through rotating the hand wheel, the lead screw rotates left connecting portion of drive and right connecting portion and moves in opposite directions, can make the movable clamp plate move towards quiet splint like this, therefore is convenient for fix the test block.

The utility model discloses further set up to: the equal rigid coupling in bottom of left side connecting portion and right connecting portion has the slider, the spout that supplies the slider to slide along the width direction of lower wall is seted up at the top of lower wall.

By adopting the technical scheme, the sliding groove has a guiding function on the sliding block, so that the possibility of deviation of the left connecting part and the right connecting part in the sliding process along the width direction of the lower disc can be reduced; the sliding groove has a limiting effect on the sliding block, so that the possibility that the left connecting part and the right connecting part rotate along with the lead screw can be reduced.

The utility model discloses further set up to: one side of each movable clamping plate close to the static clamping plate is detachably connected with a protective layer.

Through adopting above-mentioned technical scheme, through setting up the inoxidizing coating, can play certain guard action to moving splint to can prolong the life who moves splint.

The utility model discloses further set up to: the movable clamping plate is provided with a connecting mechanism for fixing the protective layer, and the connecting mechanism comprises a slot which is arranged at one side of the movable clamping plate close to the protective layer, an insert which is inserted into the slot and is bonded to one side of the protective layer close to the movable clamping plate, and a butt joint component which is arranged in the slot and is used for fixing the insert.

Through adopting above-mentioned technical scheme, make the inserted block peg graft in the slot, then fix the inserted block through the butt subassembly to be convenient for install the inoxidizing coating.

The utility model discloses further set up to: the abutting assembly comprises an abutting block connected to the slot in a sliding mode along the length direction of the slot and a first spring fixedly connected to one side, far away from the inserting block, of the abutting block; one end of the first spring, which is far away from the abutting block, is fixedly connected with the inner wall of one end of the slot, which is far away from the inserting block; the opposite inner sides of the insertion block and the abutting block are respectively provided with an inclined plane, and the two inclined planes are matched.

By adopting the technical scheme, the insertion block is inserted into the slot, the insertion block drives the abutting block to move under the action of the inclined surface, the abutting block moves to compress the first spring, the first spring is in a compressed state at the moment, and after the insertion block is inserted into the slot, the abutting block fixes the insertion block under the action of the first spring at the moment; when the protective layer needs to be detached, the protective layer is directly pulled out; to sum up, through setting up the butt subassembly, be convenient for carry out the dismouting to the inoxidizing coating.

The utility model discloses further set up to: and a fixing mechanism for fixing the hand wheel is arranged between the screw rod and the hand wheel.

Through adopting above-mentioned technical scheme, through setting up fixed establishment, be convenient for carry out the dismouting to the hand wheel.

The utility model discloses further set up to: the fixing mechanism comprises a connecting block fixedly connected to one side, close to the lead screw, of the hand wheel, a square groove formed in one side, close to the lead screw, of the connecting block, a square block fixedly connected to one end, close to the hand wheel, of the lead screw and inserted into the square groove, and a fixing assembly mounted on the side wall of the connecting block and used for fixing the square block; the fixing component comprises a bolt connected to the side wall of the connecting block in a sliding manner along the radial direction of the screw rod, a limiting block sleeved and fixed on the bolt, a second spring sleeved on the bolt and an inserting hole formed in one side of the square block; one end of the plug pin penetrates through the side wall of the connecting block and extends into the square groove to be inserted into the jack, and the other end of the plug pin is fixedly connected with a handle; the limiting block is positioned between the handle and the connecting block; and two ends of the second spring are fixedly connected with the connecting block and the limiting block respectively.

By adopting the technical scheme, the bolt is pulled by the pulling handle, the bolt moves to drive the limiting block to move, the limiting block moves to compress the second spring, and the second spring is in a compressed state; then make square piece peg graft in square groove, then loosen the handle, the stopper drives the bolt and pegs graft with the jack under the effect of second spring this moment to alright fix square piece, therefore be convenient for install the hand wheel on the lead screw.

To sum up, the utility model discloses compare and have following beneficial effect in prior art:

1. placing the test block on a lower disc between the static clamping plate and the movable clamping plate by adhering the static clamping plate, and then driving the movable clamping plate to move towards the static clamping plate through the driving assembly, so that the test block can be fixed; in conclusion, the test block is convenient to fix by arranging the fixing device, so that the test block is convenient to test;

2. the inserting block is inserted into the slot, the abutting block is driven to move under the action of the inclined surface at the moment, the abutting block moves to compress the first spring, the first spring is in a compressed state at the moment, and after the inserting block is inserted into the slot, the abutting block fixes the inserting block under the action of the first spring at the moment; when the protective layer needs to be detached, the protective layer is directly pulled out; in sum, the abutting assembly is arranged, so that the protective layer is convenient to disassemble and assemble;

3. the bolt is pulled through the pulling handle, the bolt moves to drive the limiting block to move, the limiting block moves to compress the second spring, and the second spring is in a compressed state; then make square piece peg graft in square groove, then loosen the handle, the stopper drives the bolt and pegs graft with the jack under the effect of second spring this moment to alright fix square piece, therefore be convenient for install the hand wheel on the lead screw.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view showing the structure of the fastening device in the embodiment;

FIG. 3 is a partial cross-sectional view of a highlighted attachment mechanism of an embodiment;

FIG. 4 is a schematic view showing the structure of the highlighting fixing mechanism in the embodiment.

In the figure: 1. a frame; 2. a bottom wall; 21. a chute; 3. a fixing device; 31. a static splint; 32. a movable clamping plate; 4. a drive assembly; 41. a fixed mount; 42. a lead screw; 421. a left thread; 422. a right thread; 43. a hand wheel; 44. a left connecting portion; 45. a left abutment block; 46. a right connecting portion; 47. a right abutment block; 48. a rotating shaft; 49. a slider; 5. a protective layer; 6. a connecting mechanism; 61. a slot; 62. inserting a block; 63. an abutment assembly; 631. a butting block; 632. a first spring; 633. a bevel; 7. a fixing mechanism; 71. connecting blocks; 72. a square groove; 73. a square block; 74. a fixing assembly; 741. a bolt; 742. a limiting block; 743. a second spring; 744. a jack; 745. a handle; 8. and (6) testing blocks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): a concrete block compression testing machine is shown in figures 1 and 2 and comprises a rack 1, an upper tray frame, an upper tray, a lower tray 2, a sleeve and a power device, wherein a fixing device 3 used for fixing a test block 8 is installed at the top of the lower tray 2, the fixing device 3 comprises a static clamping plate 31 vertically fixedly connected to the top of the lower tray 2, two movable clamping plates 32 sliding on the top of the lower tray 2 along the length direction of the lower tray 2 and a driving assembly 4 driving the two movable clamping plates 32 to be close to or far away from the static clamping plate 31 to move. The test block 8 is placed on the lower disc 2 between the static clamping plate 31 and the movable clamping plate 32 by adhering to the static clamping plate 31, and then the movable clamping plate 32 is driven by the driving assembly 4 to move towards the static clamping plate 31, so that the test block 8 can be fixed; to sum up, through setting up fixing device 3, be convenient for fix test block 8, therefore be convenient for test block 8.

The driving assembly 4 comprises a fixed frame 41 vertically and fixedly connected to the top of the lower disc 2, a lead screw 42 rotationally connected to the fixed frame 41 through a bearing and axially arranged along the width direction of the lower disc 2, a hand wheel 43 detachably connected to one end of the lead screw 42, a left thread 421 arranged on the outer peripheral surface of the lead screw 42, a right thread 422 arranged on the outer peripheral surface of the lead screw 42, a left connecting part 44 in threaded connection with the left thread 421, a left abutting block 45 hinged to the left connecting part 44, a right connecting part 46 in threaded connection with the right thread 422, a right abutting block 47 hinged to the right connecting part 46, and a rotating shaft 48 which is rotationally connected to the left abutting block 45 and vertically; the left connecting part 44 and the right connecting part 46 are connected to the top of the lower disc 2 in a sliding manner along the width direction of the lower disc 2, the bottom parts of the left connecting part 44 and the right connecting part 46 are fixedly connected with a sliding block 49, and the top of the lower disc 2 is provided with a sliding groove 21 for the sliding block 49 to slide along the width direction of the lower disc 2; the right abutting block 47 is rotatably connected to the left abutting block 45 through a rotating shaft 48; one end of the left abutting block 45, which is far away from the screw rod 42, and one end of the right abutting block 47, which is far away from the screw rod 42, are respectively hinged with the two movable clamping plates 32. By rotating the hand wheel 43 to rotate the lead screw 42, the lead screw 42 rotates to drive the left connecting portion 44 and the right connecting portion 46 to move towards each other, so that the movable clamping plate 32 moves towards the stationary clamping plate 31, and the test block 8 is fixed conveniently.

As shown in fig. 2 and fig. 3, a protective layer 5 is detachably connected to one side of each movable clamping plate 32 close to the fixed clamping plate 31, and the protective layer 5 can be a rubber layer; through setting up inoxidizing coating 5, can play certain guard action to moving splint 32 to can prolong the life of moving splint 32. The movable clamping plate 32 is provided with a connecting mechanism 6 for fixing the protective layer 5, and the connecting mechanism 6 comprises a slot 61 arranged on one side of the movable clamping plate 32 close to the protective layer 5, an inserting block 62 inserted into the slot 61 and bonded to one side of the protective layer 5 close to the movable clamping plate 32, and an abutting assembly 63 arranged in the slot 61 and used for fixing the inserting block 62; the insert block 62 is inserted into the insertion groove 61, and then the insert block 62 is fixed by the abutting assembly 63, so that the protection layer 5 is convenient to install.

The abutting assembly 63 comprises an abutting block 631 slidably connected to the slot 61 along the length direction of the slot 61 and a first spring 632 fixedly connected to one side of the abutting block 631 away from the insert block 62; one end of the first spring 632, which is far away from the abutting block 631, is fixedly connected to the inner wall of the slot 61, which is far away from one end of the inserting block 62; the opposite inner sides of the insertion block 62 and the abutting block 631 are respectively provided with an inclined surface 633, and the two inclined surfaces 633 are matched. The insert block 62 is inserted into the slot 61, at this time, the insert block 62 drives the abutting block 631 to move under the action of the inclined surface 633, the abutting block 631 moves to compress the first spring 632, the first spring 632 is in a compressed state at this time, and after the insert block 62 is inserted into the slot 61, the abutting block 631 fixes the insert block 62 under the action of the first spring 632 at this time; when the protective layer 5 needs to be detached, the protective layer 5 is directly pulled out; in sum, the abutting assembly 63 is arranged, so that the protective layer 5 can be conveniently disassembled and assembled.

As shown in fig. 2 and 4, a fixing mechanism 7 for fixing the hand wheel 43 is installed between the lead screw 42 and the hand wheel 43, and the fixing mechanism 7 includes a connecting block 71 fixedly connected to one side of the hand wheel 43 close to the lead screw 42, a square groove 72 provided on one side of the connecting block 71 close to the lead screw 42, a square block 73 fixedly connected to one end of the lead screw 42 close to the hand wheel 43 and inserted into the square groove 72, and a fixing assembly 74 installed on a side wall of the connecting block 71 for fixing the square block 73; the fixing component 74 comprises a bolt 741 slidably connected to the side wall of the connecting block 71 along the radial direction of the lead screw 42, a limiting block 742 sleeved and fixed on the bolt 741, a second spring 743 sleeved and a jack 744, wherein the second spring 743 is sleeved and fixed on the bolt 741, and the jack 744 is arranged on one side of the square block 73; one end of the plug pin 741 penetrates through the side wall of the connecting block 71 and extends into the square groove 72 to be inserted into the jack 744, and the other end of the plug pin is fixedly connected with a handle 745; the stop 742 is between the handle 745 and the connection block 71; two ends of the second spring 743 are respectively fixed to the connecting block 71 and the limiting block 742. The bolt 741 is pulled by pulling the handle 745, the bolt 741 moves to drive the limiting block 742 to move, the limiting block 742 moves to compress the second spring 743, and the second spring 743 is in a compressed state at the moment; the square block 73 is inserted into the square groove 72, the handle 745 is released, and the limit block 742 drives the pin 741 to insert into the insertion hole 744 under the action of the second spring 743, so that the square block 73 can be fixed, and the hand wheel 43 can be conveniently installed on the lead screw 42.

The working principle of the concrete block compression testing machine is as follows:

the test block 8 is put on the lower disc 2 between the static clamping plate 31 and the movable clamping plate 32 by adhering to the static clamping plate 31, then the lead screw 42 is rotated by rotating the hand wheel 43, the lead screw 42 rotates to drive the left connecting part 44 and the right connecting part 46 to move oppositely, so that the movable clamping plate 32 can move towards the static clamping plate 31, and the test block 8 can be fixed.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a concrete block compression testing machine, includes frame (1), last plate rail, hanging wall, lower wall (2), sleeve and power device, its characterized in that: fixing device (3) that are used for fixed test block (8) are installed at the top of lower wall (2), fixing device (3) including perpendicular rigid coupling in quiet splint (31) at lower wall (2) top, along the length direction of lower wall (2) slide in two at lower wall (2) top move splint (32) and drive two move splint (32) and be close to or keep away from drive assembly (4) that quiet splint (31) removed.

2. The concrete block compression testing machine of claim 1, wherein: the driving assembly (4) comprises a fixed frame (41) vertically and fixedly connected to the top of the lower disc (2), a lead screw (42) rotatably connected to the fixed frame (41) and axially arranged along the width direction of the lower disc (2), a hand wheel (43) detachably connected to one end of the lead screw (42), a left thread (421) arranged on the outer peripheral surface of the lead screw (42), a right thread (422) arranged on the outer peripheral surface of the lead screw (42), a left connecting part (44) in threaded connection with the left thread (421), a left abutting block (45) hinged to the left connecting part (44), a right connecting part (46) in threaded connection with the right thread (422), a right abutting block (47) hinged to the right connecting part (46) and a rotating shaft (48) which is rotatably connected to the left abutting block (45) and is vertically arranged; the left connecting part (44) and the right connecting part (46) are connected to the top of the lower disc (2) in a sliding manner along the width direction of the lower disc (2); the right abutting block (47) is rotatably connected to the left abutting block (45) through a rotating shaft (48); one end of the left abutting block (45) far away from the screw rod (42) and one end of the right abutting block (47) far away from the screw rod (42) are respectively hinged with the two movable clamping plates (32).

3. The concrete block compression testing machine of claim 2, wherein: the equal rigid coupling in bottom of left side connecting portion (44) and right connecting portion (46) has slider (49), spout (21) that confession slider (49) slided along the width direction of lower wall (2) are seted up to the top of lower wall (2).

4. The concrete block compression testing machine of claim 1, wherein: one side of each movable clamping plate (32) close to the static clamping plate (31) is detachably connected with a protective layer (5).

5. The concrete block compression testing machine of claim 4, wherein: move and install coupling mechanism (6) that are used for fixed inoxidizing coating (5) on splint (32), coupling mechanism (6) are including offering slot (61) that move splint (32) and be close to inoxidizing coating (5) one side, peg graft in slot (61) and bond in inoxidizing coating (5) and be close to insert block (62) that move splint (32) one side and install in slot (61) and be used for carrying out fixed butt subassembly (63) to insert block (62).

6. The concrete block compression testing machine of claim 5, wherein: the abutting assembly (63) comprises an abutting block (631) connected with the slot (61) in a sliding mode along the length direction of the slot (61) and a first spring (632) fixedly connected to one side, far away from the insert block (62), of the abutting block (631); one end of the first spring (632), which is far away from the abutting block (631), is fixedly connected to the inner wall of one end of the slot (61), which is far away from the inserting block (62); the opposite inner sides of the insertion block (62) and the abutting block (631) are respectively provided with an inclined surface (633), and the two inclined surfaces (633) are matched.

7. The concrete block compression testing machine of claim 2, wherein: and a fixing mechanism (7) for fixing the hand wheel (43) is arranged between the screw rod (42) and the hand wheel (43).

8. The concrete block compression testing machine of claim 7, wherein: the fixing mechanism (7) comprises a connecting block (71) fixedly connected to one side, close to the screw rod (42), of the hand wheel (43), a square groove (72) formed in one side, close to the screw rod (42), of the connecting block (71), a square block (73) fixedly connected to one end, close to the hand wheel (43), of the screw rod (42) and inserted into the square groove (72), and a fixing assembly (74) mounted on the side wall of the connecting block (71) and used for fixing the square block (73); the fixing component (74) comprises a bolt (741) connected to the side wall of the connecting block (71) in a sliding manner along the radial direction of the lead screw (42), a limiting block (742) sleeved and fixed on the bolt (741), a second spring (743) sleeved and connected on the bolt (741), and an inserting hole (744) formed in one side of the square block (73); one end of the plug pin (741) penetrates through the side wall of the connecting block (71) and extends into the square groove (72) to be plugged with the jack (744), and the other end of the plug pin is fixedly connected with a handle (745); the limiting block (742) is positioned between the handle (745) and the connecting block (71); two ends of the second spring (743) are fixedly connected to the connecting block (71) and the limiting block (742) respectively.

Images