Automatic positioning and cleaning device for detecting strength of concrete test block

Abstract

The invention provides an automatic positioning and cleaning device for detecting the strength of a concrete test block, the automatic positioning and cleaning device comprises a base, the top of the base is fixedly provided with vertical support rods in a rectangular array, the tops of the four support rods are fixedly provided with a mounting plate, and the mounting plate is fixedly provided with a vertical electric cylinder; a piston rod of the electric cylinder is fixedly provided with a mounting block, and the bottom of the mounting block is provided with a pressure detection assembly. According to the device, the detection position of the concrete test block is automatically positioned, so that a worker does not need to manually place the concrete test block at the center of the top of the lower pressing block, and the device is relatively convenient; when concrete is unqualified and strength detection is carried out on the concrete, a moving mechanism is controlled to act to enable a connecting block to be far away from a fixing block and enable a cleaning shell to move to one side, far away from a supporting plate, of a lower pressing block, so that fragments at the top of the lower pressing block can be cleaned through two cleaning brushes, and workers do not need to manually clean the fragments; and the workload of workers is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of concrete strength testing equipment, and in particular to an automatic positioning and cleaning device for concrete test block strength testing. Background Art

[0002] Concrete test block strength testing is an important means of evaluating the quality and performance of concrete. By testing the compressive strength of concrete test blocks, it can be determined whether the concrete meets the design requirements and ensure the safety and durability of the structure;

[0003] When testing the strength of a concrete test block, the concrete test block is placed on a concrete test block strength testing device for pressure testing. Common concrete test block strength testing devices include a load frame, upper and lower pressure blocks on the load frame, a vertical electric cylinder is fixed on the load frame, and an upper pressure block is fixed to the piston rod of the electric cylinder and located directly above the lower pressure block. When testing, the concrete test block is placed on top of the lower pressure block, and the upper pressure block is moved downward by the electric cylinder to hold the concrete test block, thereby achieving a pressure testing effect on the concrete test block; however, in actual use, the following defects still exist:

[0004] 1. At present, when performing strength testing on concrete test blocks, in order to improve the detection accuracy, the concrete test blocks need to be placed at the top center of the lower pressure block. However, most existing concrete test block strength testing equipment lacks a positioning component for positioning the concrete test block detection position, and the staff needs to manually place the concrete test blocks, which is more troublesome;

[0005] 2. When testing the strength of the concrete test blocks, unqualified concrete test blocks will break and fall on the lower pressing block, requiring the staff to manually clean the broken blocks, increasing the workload of the staff;

[0006] Therefore, the present application proposes an automatic positioning and cleaning device for concrete test block strength testing. Summary of the invention

[0007] In view of the deficiencies in the prior art, the present invention provides an automatic positioning and cleaning device for concrete test block strength detection, which solves the problems mentioned in the background technology.

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] An automatic positioning and cleaning device for concrete test block strength testing comprises a base, a top of the base is fixedly mounted with vertical support rods in a rectangular array, a mounting plate is fixedly mounted on the tops of four support rods, a vertical electric cylinder is fixedly mounted on the mounting plate, a mounting block is fixedly mounted on the piston rod of the electric cylinder, a pressure detection assembly is mounted on the bottom of the mounting block, and an upper pressure block is mounted on the bottom of the pressure detection assembly;

[0010] The top of the base is fixedly installed with a support block between opposite sides of the four support rods, and a lower pressing block is fixedly installed on the top of the support block, wherein a support plate is installed on the two support rods, and a fixing block is fixedly installed on the bottom of the support plate by screws, and a horizontal moving mechanism is installed on the fixing block and between the opposite sides of the two support rods, and a connecting block is installed on the fixing block and between the opposite sides of the two support rods, and a clamping plate is symmetrically slidably installed on the connecting block and on the side away from the moving mechanism, and a driving mechanism acting on the two clamping plates is installed on the connecting block, which is used to make the two clamping plates slide in opposite directions or stop sliding on the connecting block; the driving mechanism includes a bidirectional threaded rod which is horizontally and rotatably installed on the connecting block, the bidirectional threaded rod is threadedly connected to the two clamping plates, and a motor 1 for driving the bidirectional threaded rod to rotate is fixedly installed on the connecting block;

[0011] A carrying plate is installed at the bottom of the moving mechanism, and both ends of the carrying plate extend to the outside of both sides of the moving mechanism respectively, and both ends of the carrying plate are installed with vertical connecting mechanisms, and a cleaning shell is installed at the bottom of the two connecting mechanisms. Cleaning brushes with the same width as the lower pressing block are symmetrically installed at the bottom of the cleaning shell, and the two cleaning brushes can contact the top of the lower pressing block.

[0012] Further: the pressure detection component includes a spring telescopic rod and a pressure sensor; a mounting groove is opened at the bottom of the mounting block, and a vertical spring telescopic rod is symmetrically fixed on the mounting block and located in the mounting groove; the upper pressure block is located in the mounting groove and is fixedly connected to the bottom of the two spring telescopic rods, and the bottom of the upper pressure block extends to the bottom of the mounting block, and a pressure sensor that fits the upper pressure block is fixedly installed on the mounting block and located in the mounting groove.

[0013] Further: the moving mechanism includes a guide rod, a moving seat, a driving rod and two motors, the fixed block is provided with two guide rods that are movable in a horizontal direction, the two guide rods are fixedly installed with a moving seat that is sleeved on the outside of the fixed block, the fixed block is provided with a driving rod that is threaded in a horizontal direction, the driving rod is rotatably connected to the moving seat, the moving seat is fixedly provided with two motors for driving the driving rod to rotate, and the connecting block is fixedly installed on the end of the moving seat by screws.

[0014] Further: a plurality of slide grooves are provided at the bottom of the movable seat along the axial direction of the guide rod, and bolt members are slidably connected in at least two of the slide grooves, and the bearing plate is fixedly installed on the bottom of the movable seat by a plurality of bolt members, and the connecting mechanism includes a screw rod 1 which is in a vertical direction and movably penetrates the bearing plate, a screw rod 2 is threadedly penetrated at the bottom of the screw rod 1, a nut 1 is threadedly connected on the screw rod 1 and on both sides of the bearing plate, an installation cavity is provided at the bottom of the screw rod 2, a connecting member is installed on the screw rod 2 and in the installation cavity, and the bottom end of the connecting member extends to the bottom of the screw rod 2 and is connected to the cleaning shell.

[0015] Further: the connecting member includes a shell which is vertically oriented and fixedly installed in the installation cavity, a connecting rod connected to the cleaning shell movably penetrates the bottom of the shell, and a spring is installed in the shell and between the opposite sides of the shell and the connecting rod.

[0016] Further: the clamping plate includes a movable plate slidably installed on the top of the connecting block, the end of the movable plate extends to the side of the connecting block away from the movable seat, and a clamping plate that fits the connecting block is installed on the movable plate and located on the side of the connecting block away from the movable seat. The two clamping plates are provided with grooves on the sides close to each other, and two horizontal spring telescopic rods are symmetrically fixed on the clamping plate and located in the grooves. A contact plate is fixed at the other end of the two spring telescopic rods. The side of the contact plate away from the spring telescopic rods extends to the outside of the clamping plate, and two pressure sensors in contact with the contact plate are fixedly installed in the groove. A guide plate is fixedly installed on the side of the clamping plate away from the connecting block, and the two guide plates are away from each other along the end away from the clamping plate.

[0017] Further: the connecting block includes a connecting seat fixedly installed on the end of the moving seat by screws, a moving block is slidably installed in a vertical direction on the side of the connecting seat away from the moving seat, a vertically threaded column is rotatably installed on the connecting seat, the threaded column is threadedly connected to the moving block, a motor three for driving the threaded column to rotate is fixedly installed on the connecting seat, and a moving plate is slidably installed on the top of the moving block.

[0018] Further: the support plate is detachably mounted on the two support rods through a positioning mechanism, the positioning mechanism includes two groups of positioning units respectively mounted on both ends of the support plate and respectively connected to the two support rods, the positioning unit includes a positioning rod that is horizontal and movably penetrates the support plate, a positioning frame that can be sleeved on the outside of the support rod is threadedly connected to the positioning rod, one end of the positioning rod extends into the positioning frame and is fixed with a positioning block that can interfere with the support rod, and a nut 2 is threadedly connected to the positioning rod and located on the side of the support plate away from the positioning frame;

[0019] A level ruler is fixedly mounted on the support plate.

[0020] Furthermore: a dust suction chamber is provided at the bottom of the cleaning shell, two cleaning brushes are fixedly mounted on the inner walls on both sides of the dust suction chamber, a connecting pipe connected to the interior of the dust suction chamber is fixedly mounted on the top of the cleaning shell, a cavity is provided on the inner wall of the support block, a corrugated hose is fixedly mounted on the other end of the connecting pipe, the other end of the corrugated hose passes through the support block and is connected to the interior of the cavity, a slot connected to the interior of the cavity is provided on one side of the support block and below the corrugated hose, a collection box with an open top is inserted on the support block and in the slot, and the outer wall of the collection box is in contact with the inner wall of the cavity A vent is provided on one side of the support block and above the collecting box, a negative pressure pump is fixedly installed on the outer wall of the collecting box, the air inlet end of the negative pressure pump is connected with the vent through a connecting pipe, a filter plate for blocking the vent is fixedly installed on the inner wall of the cavity, a limit rod is hinged on the support block and located just above the slot, the free end of the limit rod can form a conflict with the outer wall of the collecting box, a sealing groove is provided on the inner wall of the slot, a sealing gasket which is clamped with the support block is inserted in the sealing groove, and when the collecting box is inserted into the slot, the sealing gasket forms a conflict with the collecting box and is hidden in the sealing groove.

[0021] Further: a crushing mechanism is installed on the base and located on the side of the support block away from the support plate, and the crushing mechanism includes a crushing shell fixedly installed on the base, and two meshing crushing rollers are rotatably installed in the crushing shell, and the two crushing rollers are connected by a spur gear assembly. A motor four connected to one of the crushing rollers is fixedly installed on the crushing shell, and a guide hopper connected to the interior of the crushing shell is fixedly installed on the top of the crushing shell, and the top of the guide hopper is flush with the top of the lower pressure block, and a discharge hopper connected to the interior of the crushing shell is fixedly installed on the bottom of the crushing shell, and the bottom end of the discharge hopper passes through one side of the support block and is located above the collection box.

[0022] The present invention provides an automatic positioning and cleaning device for concrete test block strength testing. Compared with the prior art, it has the following beneficial effects:

[0023] 1. Automatic positioning of the concrete test block detection position is achieved, so that the staff does not need to manually place the concrete test block at the top center of the lower pressing block, which is more convenient; when the concrete is unqualified and strength testing is performed on it, the moving mechanism is controlled to move the connecting block away from the fixed block, so that the cleaning shell moves to the side of the lower pressing block away from the support plate, and the broken pieces on the top of the lower pressing block can be cleaned by two cleaning brushes, and the staff does not need to manually clean the broken pieces, thereby reducing the workload of the staff;

[0024] 2. By setting two guide plates, the concrete test block is placed on the top of the lower pressing block, and when the concrete test block is pushed to move between the opposite sides of the two clamping plates, when the concrete test block contacts the guide plates, the concrete test block can be moved along the guide plates to between the opposite sides of the two clamping plates, which is conducive to making the concrete test block fit with the side of the connecting block close to the clamping plate, and is conducive to loading the concrete test block;

[0025] 3. By setting up a crushing mechanism, when cleaning the top fragments of the lower pressure block, the motor 4 is controlled to start, and the fragments fall into the crushing shell through the guide hopper, and then are further crushed by two crushing rollers, and then discharged through the discharge hopper and fall into the collection box. After the fragments are further crushed, the volume of the fragments is reduced, thereby making the gaps between the fragments falling into the collection box, and increasing the collection capacity of the collection box for waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 A schematic diagram of the three-dimensional structure of the present invention is shown;

[0028] Figure 2 A schematic diagram of the installation structure of the pressure detection assembly of the present invention is shown;

[0029] Figure 3 The present invention shows Figure 2 The enlarged view of point A in the middle;

[0030] Figure 4 A schematic diagram of the installation structure of the mobile mechanism of the present invention is shown;

[0031] Figure 5 A schematic diagram of the installation structure of the driving mechanism of the present invention is shown;

[0032] Figure 6 A schematic diagram of the installation structure of the pressure sensor 2 of the present invention is shown;

[0033] Figure 7 A schematic diagram of the installation structure of the cleaning shell of the present invention is shown;

[0034] Figure 8 A schematic diagram of the installation structure of the connecting piece of the present invention is shown;

[0035] Fig. 9 A schematic diagram of the installation structure of the filter plate of the present invention is shown;

[0036] Fig.10 The schematic diagram of the structure of the crushing mechanism of the present invention is shown;

[0037] As shown in the figure: 1. Base; 11. Support rod; 12. Mounting plate; 13. Electric cylinder; 14. Mounting block; 141. Mounting slot; 15. Upper pressure block; 2. Pressure detection assembly; 21. Spring telescopic rod 1; 22. Pressure sensor 1; 3. Support block; 31. Lower pressure block; 32. Cavity; 33. Slot; 331. Sealing pad; 34. Collection box; 35. Vent; 36. Negative pressure pump; 37. Connecting pipe; 38. Filter plate; 39. Limit rod; 4. Support plate; 41. Fixed block; 42. Level ruler; 5. Moving mechanism; 51. Guide rod; 52. Moving seat; 521. Slide; 53. Driving rod; 54. Motor 2; 6. Connecting block; 61. Clamping plate; 611. Moving plate; 612. Clamping plate; 613. Groove; 614. Spring telescopic rod 2; 615. Contact plate; 61 6. Pressure sensor 2; 617. Guide plate; 62. Driving mechanism; 621. Bidirectional threaded rod; 622. Motor 1; 63. Connecting seat; 64. Moving block; 65. Threaded column; 66. Motor 3; 7. Load-bearing plate; 71. Connecting mechanism; 711. Screw 1; 712. Screw 2; 713. Nut 1; 714. Mounting cavity; 715. Connecting piece; 7151. Shell; 7152. Connecting rod; 7153. Spring; 72. Cleaning shell; 721. Dust suction chamber; 722. Connecting pipe; 723. Corrugated hose; 73. Cleaning brush; 8. Positioning mechanism; 81. Positioning rod; 82. Positioning frame; 83. Positioning block; 84. Nut 2; 9. Crushing mechanism; 91. Crushing shell; 92. Crushing roller; 93. Spur gear assembly; 94. Motor 4; 95. Guide hopper; 96. Discharge hopper. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] Embodiment 1

[0040] In order to solve the technical problems in the background technology, an automatic positioning and cleaning device for concrete test block strength detection is provided as follows:

[0041] Combination Figure 1-Figure 10As shown, an automatic positioning and cleaning device for concrete test block strength detection provided by the present invention comprises a base 1, a top of the base 1 is fixedly mounted with vertical support rods 11 in a rectangular array, a mounting plate 12 is fixedly mounted on the top of the four support rods 11, a vertical electric cylinder 13 is fixedly mounted on the mounting plate 12, a piston rod of the electric cylinder 13 is fixedly mounted with a mounting block 14, a pressure detection assembly 2 is mounted at the bottom of the mounting block 14, and an upper pressure block 15 is mounted at the bottom of the pressure detection assembly 2;

[0042] A support block 3 is fixedly installed on the top of the base 1 and between the opposite sides of the four support rods 11, and a lower pressing block 31 is fixedly installed on the top of the support block 3, wherein support plates 4 are installed on two of the support rods 11, and a fixing block 41 is fixedly installed on the bottom of the support plate 4 by screws, and a horizontal moving mechanism 5 is installed on the fixing block 41 and between the opposite sides of the two support rods 11, wherein, in this embodiment, a PLC control system and a touch screen are also provided, and the moving mechanism 5, the electric cylinder 13 and the pressure detection component 2 are all communicatively connected with the PLC control system, and the touch screen is communicatively connected with the PLC control system, and a connecting block 6 is installed at one end of the moving mechanism 5 close to the lower pressing block 31 and above the lower pressing block 31, and the moving mechanism 5 is used to make the connecting block 6 approach or move away along the direction of the fixing block 41, and the connecting block 6 A clamping plate 61 is symmetrically and slidably installed on one side away from the moving mechanism 5, and a driving mechanism 62 acting on the two clamping plates 61 is installed on the connecting block 6, which is used to make the two clamping plates 61 slide in the opposite direction or stop sliding on the connecting block 6; the driving mechanism 62 includes a bidirectional threaded rod 621 which is horizontally and rotatably installed on the connecting block 6, and the bidirectional threaded rod 621 is threadedly connected to the two clamping plates 61, and a motor 622 for driving the bidirectional threaded rod 621 to rotate is fixedly installed on the connecting block 6, and the motor 622 is connected to the PLC control system for communication. When in use, the motor 622 is controlled to be turned on, and the output shaft of the motor 622 rotates to drive the bidirectional threaded rod 621 to rotate on the connecting block 6, so that the two clamping plates 61 can slide in the opposite direction on the connecting block 6, and the motor 622 is connected to the PLC control system for communication;

[0043] A carrying plate 7 is installed at the bottom of the moving mechanism 5, and the two ends of the carrying plate 7 extend to the outside of the two sides of the moving mechanism 5 respectively, and vertical connecting mechanisms 71 are installed at both ends of the carrying plate 7, and a cleaning shell 72 is installed at the bottom of the two connecting mechanisms 71. Cleaning brushes 73 with the same width as the lower pressing block 31 are symmetrically installed at the bottom of the cleaning shell 72, and the two cleaning brushes 73 can contact the top of the lower pressing block 31.

[0044] When the strength test of the concrete test block is carried out, the connecting block 6 is moved close to the fixed block 41 through the moving mechanism 5, and the concrete test block is placed on the top of the lower pressing block 31, and the concrete test block is pushed to move between the opposite sides of the two clamping plates 61, so that the concrete test block and the side of the connecting block 6 close to the clamping plate 61 are fitted together. At this time, the control motor 1 622 is operated to make the bidirectional threaded rod 621 rotate on the connecting block 6, so that the two clamping plates 61 clamp the concrete test block, thereby positioning the concrete test block, and then the concrete test block size information and the detection pressure value information are input through the touch screen, and the PLC control The system controls the movement of the moving mechanism 5 according to the size information of the concrete test block, so that the connecting block 6 moves away from the fixed block 41, driving the concrete test block to move, so that the concrete test block is located in the middle position of the top of the lower pressing block 31, and controls the motor 1 622 to make the two-way threaded rod 621 rotate in the opposite direction on the connecting block 6, so that the two clamping plates 61 move away from each other, and then controls the moving mechanism 5 to move the connecting block 6 close to the fixed block 41, so that the detection position of the concrete test block can be automatically positioned, so that the staff does not need to manually place the concrete test block at the top center of the lower pressing block 31, which is more convenient and can be used for concrete testing. After the concrete test block detection position is positioned, the electric cylinder 13 is controlled to move the mounting block 14 downward, driving the upper pressing block 15 to move downward. When the upper pressing block 15 contacts the concrete test block, when the electric cylinder 13 moves the mounting block 14 downward, under the reverse force of the force, the upper pressing block 15 applies an upward reverse force to the pressure detection component 2, and the force detection signal of the pressure detection component 2 changes, thereby transmitting the detection signal to the PLC control system. When the pressure value detected by the pressure detection component 2 reaches the preset detection pressure value information, the electric cylinder 13 is controlled to reset the mounting block 14, and the concrete test block can be tested. Soil test block strength test effect; when the concrete is unqualified and a strength test is performed on it, the unqualified concrete test block will break and fall on the lower pressing block 31. At this time, the moving mechanism 5 is controlled to move so that the connecting block 6 moves away from the fixed block 41, driving the cleaning shell 72 to move, so that the cleaning shell 72 moves to the side of the lower pressing block 31 away from the support plate 4. The cleaning brush 73 is the same width as the lower pressing block 31, and the cleaning brush 73 is in contact with the top of the lower pressing block 31. The broken pieces on the top of the lower pressing block 31 can be cleaned by two cleaning brushes 73, and the staff does not need to manually clean the broken pieces, thereby reducing the workload of the staff.

[0045] In this embodiment, the pressure detection assembly 2 includes a spring telescopic rod 21 and a pressure sensor 22; a mounting groove 141 is provided at the bottom of the mounting block 14, and a spring telescopic rod 21 in a vertical shape is symmetrically fixed on the mounting block 14 and located in the mounting groove 141; an upper pressing block 15 is located in the mounting groove 141 and is fixedly connected to the bottom of the two spring telescopic rods 21; the bottom of the upper pressing block 15 extends to the bottom of the mounting block 14; and a spring telescopic rod 21 in a vertical shape is symmetrically fixed on the mounting block 14 and located in the mounting groove 141. When the fitted pressure sensor 22 is in use, when the mounting block 14 is displaced downward by the electric cylinder 13, the upper pressing block 15 applies an upward reverse force to the pressure detection component 2 under the reverse force of the force, and the two spring telescopic rods 21 are deformed under the force, and the upper pressing block 15 conflicts with the pressure sensor 22, so that the pressure sensor 22 is subjected to force, and the force detection signal of the pressure sensor 22 changes, and the detection signal is transmitted to the PLC control system, thereby realizing the effect of detecting the pressure value applied to the concrete test block.

[0046] In this embodiment, the moving mechanism 5 includes a guide rod 51, a moving seat 52, a driving rod 53 and a second motor 54. The fixed block 41 is provided with two guide rods 51 that are movable in a horizontal direction. The two guide rods 51 are fixedly installed with a moving seat 52 that is sleeved on the outside of the fixed block 41. The fixed block 41 is provided with a driving rod 53 that is threaded in a horizontal direction. The driving rod 53 is rotatably connected to the moving seat 52. The moving seat 52 is fixedly provided with a second motor 54 for driving the driving rod 53 to rotate. The connecting block 6 is fixedly installed at the end of the moving seat 52 by screws. When in use, the second motor 54 is controlled to work so that the driving rod 53 rotates on the moving seat 52. At this time, the driving rod 53 moves spirally along the fixed block 41, thereby driving the moving seat 52 to move along the two guide rods 51, thereby achieving the effect of driving the connecting block 6 to move.

[0047] Embodiment 2

[0048] like Figure 1-Figure 10 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0049] In this embodiment, a plurality of slide grooves 521 are provided at the bottom of the movable seat 52 along the axial direction of the guide rod 51, and bolt members are slidably connected in at least two of the slide grooves 521. It is worth noting that: the bolt member includes a screw rod slidably installed in the slide groove 521, and a nut is threadedly connected on the screw rod. The bearing plate 7 is fixedly installed at the bottom of the movable seat 52 by a plurality of bolt members. By setting the bearing plate 7 to be fixedly installed at the bottom of the movable seat 52 by a plurality of bolt members, the bolt member slides in the slide groove 521, so that the position adjustment effect of the bearing plate 7 can be achieved, thereby achieving the position adjustment effect of the cleaning shell 72. The connecting mechanism 71 includes a screw rod 711 which is vertically and movably penetrates the bearing plate 7, and a screw rod 712 is threadedly penetrated at the bottom of the screw rod 711. There are screw rods 711 on the screw rod 711 and on both sides of the bearing plate 7. The thread is connected with a nut 1 713, and a mounting cavity 714 is provided at the bottom of the screw rod 712. A connecting piece 715 is installed on the screw rod 712 and in the mounting cavity 714. The bottom end of the connecting piece 715 extends to the bottom of the screw rod 2 712 and is connected to the cleaning shell 72. By arranging the screw rod 1 711, the screw rod 2 712 and the nut 1 713, during installation, the two nuts 1 713 are made to form a conflict with the bearing plate 7, so that the position of the screw rod 1 711 can be positioned, thereby positioning the connecting piece 715, and positioning the height position of the cleaning shell 72. By rotating the two nuts 1 713 to adjust the position of the two nuts 1 713 on the screw rod 1 711, and then rotating the screw rod 2 712 to make it move spirally on the screw rod 1 711, the height position of the cleaning shell 72 can be adjusted, thereby increasing the practicality of the device.

[0050] In this embodiment, the connecting member 715 includes a shell 7151 which is vertically fixedly installed in the installation cavity 714, and a connecting rod 7152 which is movably penetrated through the bottom of the shell 7151 and is connected to the cleaning shell 72. A spring 7153 is installed in the shell 7151 and between the opposite sides of the shell 7151 and the connecting rod 7152. By setting the connecting member 715 including the shell 7151, the connecting rod 7152 and the spring 7153, the cleaning shell 72 can be displaced up and down along the screw rod 712, and under the action of the spring 7153, the connecting rod 7152 is displaced away from the shell 7151, so that the cleaning brush 73 is in more complete contact with the lower pressure block 31, which is beneficial to cleaning the fragments on the top of the lower pressure block 31.

[0051] In this embodiment, the clamping plate 61 includes a moving plate 611 slidably mounted on the top of the connecting block 6, the end of the moving plate 611 extends to the side of the connecting block 6 away from the moving seat 52, and a clamping plate 612 that fits the connecting block 6 is installed on the moving plate 611 and located on the side of the connecting block 6 away from the moving seat 52. A groove 613 is provided on the side of the two clamping plates 612 that are close to each other, and a horizontal spring telescopic rod 614 is symmetrically fixed on the clamping plate 612 and located in the groove 613. The other ends of the two spring telescopic rods 614 are fixed A contact plate 615 is fixedly provided, and the contact plate 615 extends to the outside of the clamping plate 612 from one side away from the spring telescopic rod 614. A pressure sensor 616 in contact with the contact plate 615 is fixedly installed in the groove 613. The pressure sensor 616 is connected to the PLC control system for communication. By setting the contact plate 615 and the pressure sensor 616, the motor 622 is controlled to work so that the bidirectional threaded rod 621 rotates on the connecting block 6, so that the two clamping plates 612 slide in opposite directions on the connecting block 6 and approach each other, so that the two contact plates 615 The two clamping plates 612 move away from the connection block 613, and the clamping plate 612 moves away from the connection block 614. A guide plate 617 is fixedly installed on the side, and the two guide plates 617 are separated from each other along the end away from the clamping plate 612. By setting the two guide plates 617, the concrete test block is placed on the top of the lower pressing block 31, and the concrete test block is pushed to move between the opposite sides of the two clamping plates 61. When the concrete test block contacts the guide plate 617, the concrete test block can be moved along the guide plate 617 to between the opposite sides of the two clamping plates 61, which is conducive to making the concrete test block fit with the side of the connecting block 6 close to the clamping plate 61, and is conducive to loading the concrete test block.

[0052] Embodiment 3

[0053] like Figure 1-Figure 10 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0054] In this embodiment, the connecting block 6 includes a connecting seat 63 fixedly installed at the end of the moving seat 52 by screws, and a moving block 64 is slidably installed on the side of the connecting seat 63 away from the moving seat 52 in a vertical direction, and a vertical threaded column 65 is rotatably installed on the connecting seat 63, and the threaded column 65 is threadedly connected to the moving block 64. A motor three 66 for driving the threaded column 65 to rotate is fixedly installed on the connecting seat 63, and the moving plate 611 is slidably installed on the top of the moving block 64. By setting the connecting block 6 to include the connecting seat 63, the moving block 64, the threaded column 65 and the motor three 66, when in use, the motor three 66 is controlled to work, and the output shaft of the motor three 66 rotates to drive the threaded column 65 to rotate on the connecting seat 63, so that the moving block 64 can slide and displace in the vertical direction on the connecting seat 63, thereby adjusting the height position of the two clamping plates 61, which is beneficial to positioning concrete test blocks of different sizes.

[0055] In the present embodiment, the support plate 4 is detachably mounted on the two support rods 11 through a positioning mechanism 8. The positioning mechanism 8 includes two groups of positioning units respectively mounted on both ends of the support plate 4 and respectively connected to the two support rods 11. The positioning unit includes a positioning rod 81 which is horizontal and movably penetrates the support plate 4. A positioning frame 82 which can be sleeved on the outside of the support rod 11 is threadedly connected to the positioning rod 81. One end of the positioning rod 81 extends into the positioning frame 82 and is fixed with a positioning block 83 which can conflict with the support rod 11. A nut 84 is threadedly connected to the positioning rod 81 and is located on the side of the support plate 4 away from the positioning frame 82. By arranging that the support plate 4 is detachably mounted on the two support rods 11 through the positioning mechanism 8, the support plate 4 can be disassembled, thereby facilitating the disassembly of the moving mechanism 5 and the connecting block 6, and facilitating the disassembly of the movable mechanism 5 and the connecting block 6 installed on the support plate 4, and the various parts on it are inspected and repaired. During installation, the two positioning frames 82 are respectively sleeved on the outside of the two support rods 11, and the positioning rod 81 is rotated to make the positioning block 83 approach the support rod 11, so that the positioning block 83 and the support rod 11 form a conflict, and the positioning frame 82 and the support rod 11 can be positioned, and the nut 84 is rotated to make it move in the direction of the positioning frame 82, and the nut 84 and the positioning frame 82 both form a conflict with the support plate 4, so that the position of the support plate 4 can be fixed, which is convenient for installation. Conversely, the nut 84 is rotated in the opposite direction, and the positioning rod 81 is rotated in the opposite direction to make the positioning block 83 away from the support rod 11, so that the positioning between the positioning frame 82 and the support rod 11 can be cancelled, which is convenient for disassembly of the support plate 4; a level ruler 42 is fixedly installed on the support plate 4, and when the support plate 4 is installed, it is convenient to adjust the support plate 4 to a horizontal state.

[0056] In this embodiment, a dust suction chamber 721 is provided at the bottom of the cleaning shell 72, two cleaning brushes 73 are respectively fixedly mounted on the inner walls on both sides of the dust suction chamber 721, a connecting pipe 722 connected to the inside of the dust suction chamber 721 is fixedly mounted on the top of the cleaning shell 72, a cavity 32 is provided on the inner wall of the support block 3, a corrugated hose 723 is fixedly mounted on the other end of the connecting pipe 722, the other end of the corrugated hose 723 passes through the support block 3 and is connected to the inside of the cavity 32, a slot 33 connected to the inside of the cavity 32 is provided on one side of the support block 3 and below the corrugated hose 723, a collection box 34 with an open top is inserted on the support block 3 and in the slot 33 The outer wall of the collecting box 34 fits with the inner wall of the cavity 32, a vent hole 35 is provided on one side of the supporting block 3 and above the collecting box 34, a negative pressure pump 36 is fixedly installed on the outer wall of the collecting box 34, and the air inlet end of the negative pressure pump 36 is connected with the vent hole 35 through a connecting pipe 37, and a filter plate 38 for blocking the vent hole 35 is fixedly installed on the inner wall of the cavity 32. When cleaning the top fragments of the lower pressing block 31, the negative pressure pump 36 is controlled to be turned on, and the negative pressure pump 36 works to draw the air in the cavity 32 outward through the vent hole 35 and the connecting pipe 37, and the external air enters the cavity 32 through the dust suction chamber 721, the connecting pipe 722 and the corrugated hose 723. When the cleaning shell 72 cleans the top of the lower pressing block 31, the air circulation sucks the powder on the top of the lower pressing block 31 into the connecting pipe 722, and then sucks it into the cavity 32. When the air circulation contacts the filter plate 38, the filter plate 38 filters the powder in the air, so that the powder remains in the cavity 32, further improving the cleaning effect of the crushed material on the top of the lower pressing block 31. When the negative pressure pump 36 stops working, the powder can fall into the collection box 34 under the action of its own gravity, so as to achieve the powder collection effect. A limiting rod 39 is hinged on the support block 3 and is located just above the slot 33. The free end of the limiting rod 39 can form a conflict with the outer wall of the collection box 34. Through the design of the limiting rod 39, the collection The box 34 has a limiting effect. When the waste collected in the collection box 34 needs to be cleaned, the limiting rod 39 is rotated to move its free end to the top of the slot 33, so that the limiting of the collection box 34 can be cancelled, so that the collection box 34 can be pulled out from the slot 33, and the waste collected in the collection box 34 can be cleaned. The inner wall of the slot 33 is provided with a sealing groove, and a sealing gasket 331 is inserted in the sealing groove and is engaged with the support block 3. When the collection box 34 is inserted into the slot 33, the sealing gasket 331 forms a conflict with the collection box 34 and is hidden in the sealing groove, thereby increasing the fit between the collection box 34 and the support block 3, thereby increasing the sealing between the collection box 34 and the support block 3.

[0057] In this embodiment, a crushing mechanism 9 is installed on the base 1 and located on the side of the support block 3 away from the support plate 4. The crushing mechanism 9 includes a crushing shell 91 fixedly installed on the base 1. Two meshing crushing rollers 92 are rotatably installed in the crushing shell 91. The two crushing rollers 92 are connected by a spur gear assembly 93. A motor 94 connected to one of the crushing rollers 92 is fixedly installed on the crushing shell 91. A guide hopper 95 connected to the inside of the crushing shell 91 is fixedly installed on the top of the crushing shell 91. The top of the guide hopper 95 is flush with the top of the lower pressing block 31. A discharge hopper 96 connected to the inside of the crushing shell 91 is fixedly installed at the bottom of the crushing shell 91. The bottom end of the discharge hopper 96 passes through one side of the support block 3 and is located above the collection box 34. By setting a crushing mechanism 9, when cleaning the broken pieces on the top of the lower pressing block 31, the control motor 4 94 is turned on, and the motor 4 94 drives the crushing roller 92 fixedly connected to its output shaft to rotate in the crushing shell 91, and the other crushing roller 92 is rotated in the opposite direction in the crushing shell 91 through the spur gear assembly 93, so that the connecting block 6 moves away in the direction of the fixed block 41, and when the cleaning shell 72 is moved to the side of the lower pressing block 31 away from the support plate 4, the broken pieces can fall into the crushing shell 91 through the guide hopper 95, so that the broken pieces are further crushed by the two crushing rollers 92, and then discharged through the discharge hopper 96 and fall into the collection box 34. After the broken pieces are further crushed, the volume of the broken pieces is reduced, and the collection amount of waste materials by the collection box 34 is increased.

[0058] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0059] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic positioning and cleaning device for concrete test block strength testing, characterized in that: It includes a base, a vertical support rod is fixedly installed on the top of the base in a rectangular array, a mounting plate is fixedly installed on the top of the four support rods, a vertical electric cylinder is fixedly installed on the mounting plate, a mounting block is fixedly installed on the piston rod of the electric cylinder, a pressure detection component is installed at the bottom of the mounting block, and an upper pressure block is installed at the bottom of the pressure detection component; The top of the base is fixedly installed with a support block between opposite sides of the four support rods, and a lower pressing block is fixedly installed on the top of the support block, wherein a support plate is installed on the two support rods, and a fixing block is fixedly installed on the bottom of the support plate by screws, and a horizontal moving mechanism is installed on the fixing block and between the opposite sides of the two support rods, and a connecting block is installed on the fixing block and between the opposite sides of the two support rods, and a clamping plate is symmetrically slidably installed on the connecting block and on the side away from the moving mechanism, and a driving mechanism acting on the two clamping plates is installed on the connecting block, which is used to make the two clamping plates slide in opposite directions or stop sliding on the connecting block; the driving mechanism includes a bidirectional threaded rod which is horizontally and rotatably installed on the connecting block, the bidirectional threaded rod is threadedly connected to the two clamping plates, and a motor 1 for driving the bidirectional threaded rod to rotate is fixedly installed on the connecting block; A carrying plate is installed at the bottom of the moving mechanism, and both ends of the carrying plate extend to the outside of both sides of the moving mechanism respectively, and both ends of the carrying plate are installed with vertical connecting mechanisms, and a cleaning shell is installed at the bottom of the two connecting mechanisms. Cleaning brushes with the same width as the lower pressing block are symmetrically installed at the bottom of the cleaning shell, and the two cleaning brushes can contact the top of the lower pressing block.

2. The automatic positioning and cleaning device for concrete test block strength testing according to claim 1, characterized in that: The pressure detection component includes a spring telescopic rod and a pressure sensor; a mounting groove is provided at the bottom of the mounting block, and a vertical spring telescopic rod is symmetrically fixed on the mounting block and located in the mounting groove; an upper pressure block is located in the mounting groove and is fixedly connected to the bottom of the two spring telescopic rods, and the bottom of the upper pressure block extends to the bottom of the mounting block; a pressure sensor that fits the upper pressure block is fixedly installed on the mounting block and located in the mounting groove.

3. The automatic positioning and cleaning device for concrete test block strength testing according to claim 2, characterized in that: The moving mechanism includes a guide rod, a moving seat, a driving rod and two motors. The fixed block has two guide rods that are movable in the horizontal direction, and the two guide rods are fixedly installed with a moving seat sleeved on the outside of the fixed block. The fixed block has a driving rod that is threaded in the horizontal direction, and the driving rod is rotatably connected to the moving seat. The moving seat has two motors fixedly installed on it for driving the driving rod to rotate, and the connecting block is fixedly installed on the end of the moving seat by screws.

4. The automatic positioning and cleaning device for concrete test block strength testing according to claim 3 is characterized in that: The bottom of the movable seat is provided with a plurality of slide grooves along the axial direction of the guide rod, at least two of the slide grooves are slidably connected with bolt members, the bearing plate is fixedly installed on the bottom of the movable seat by the plurality of bolt members, the connecting mechanism includes a screw rod 1 which is in a vertical direction and movably penetrates the bearing plate, a screw rod 2 is threadedly penetrated at the bottom of the screw rod 1, a nut 1 is threadedly connected on the screw rod 1 and on both sides of the bearing plate, an installation cavity is provided at the bottom of the screw rod 2, a connecting piece is installed on the screw rod 2 and in the installation cavity, and the bottom end of the connecting piece extends to the bottom of the screw rod 2 and is connected to the cleaning shell.

5. The automatic positioning and cleaning device for concrete test block strength testing according to claim 4, characterized in that: The connecting member comprises a shell which is vertically fixedly installed in the installation cavity, a connecting rod connected to the cleaning shell movably penetrates the bottom of the shell, and a spring is installed in the shell and between the opposite sides of the shell and the connecting rod.

6. The automatic positioning and cleaning device for concrete test block strength testing according to claim 5, characterized in that: The clamping plate includes a movable plate slidably mounted on the top of the connecting block, the end of the movable plate extends to the side of the connecting block away from the movable seat, and a clamping plate that fits the connecting block is installed on the movable plate and located on the side of the connecting block away from the movable seat. Grooves are provided on the sides of the two clamping plates that are close to each other, and two horizontal spring telescopic rods are symmetrically fixed on the clamping plate and located in the grooves. A contact plate is fixed on the other end of the two spring telescopic rods. The side of the contact plate away from the spring telescopic rods extends to the outside of the clamping plate, and two pressure sensors in contact with the contact plate are fixedly installed in the groove. A guide plate is fixedly installed on the side of the clamping plate away from the connecting block, and the two guide plates are away from each other along one end away from the clamping plate.

7. The automatic positioning and cleaning device for concrete test block strength testing according to claim 6, characterized in that: The connecting block includes a connecting seat fixedly installed at the end of the moving seat by screws, a moving block is slidably installed in a vertical direction on a side of the connecting seat away from the moving seat, a vertical threaded column is rotatably installed on the connecting seat, the threaded column is threadedly connected to the moving block, a motor three for driving the threaded column to rotate is fixedly installed on the connecting seat, and a moving plate is slidably installed on the top of the moving block.

8. The automatic positioning and cleaning device for concrete test block strength testing according to claim 7, characterized in that: The support plate is detachably mounted on the two support rods through a positioning mechanism, the positioning mechanism includes two groups of positioning units respectively mounted at both ends of the support plate and respectively connected to the two support rods, the positioning unit includes a positioning rod that is horizontal and movably penetrates the support plate, a positioning frame that can be sleeved on the outside of the support rod is threadedly connected to the positioning rod, one end of the positioning rod extends into the positioning frame and is fixed with a positioning block that can interfere with the support rod, and a nut 2 is threadedly connected to the positioning rod and located on a side of the support plate away from the positioning frame; A level ruler is fixedly mounted on the support plate.

9. The automatic positioning and cleaning device for concrete test block strength testing according to claim 8, characterized in that: A dust suction chamber is provided at the bottom of the cleaning shell, two cleaning brushes are fixedly mounted on the inner walls on both sides of the dust suction chamber, a connecting pipe connected to the inside of the dust suction chamber is fixedly mounted on the top of the cleaning shell, a cavity is provided on the inner wall of the support block, a corrugated hose is fixedly mounted on the other end of the connecting pipe, the other end of the corrugated hose passes through the support block and is connected to the inside of the cavity, a slot connected to the inside of the cavity is provided on one side of the support block and below the corrugated hose, a collection box with an open top is inserted on the support block and in the slot, and the outer wall of the collection box fits with the inner wall of the cavity. A vent is provided on one side of the support block and above the collecting box, a negative pressure pump is fixedly installed on the outer wall of the collecting box, the air inlet end of the negative pressure pump is connected with the vent through a connecting pipe, a filter plate for sealing the vent is fixedly installed on the inner wall of the cavity, a limit rod is hinged on the support block and located just above the slot, the free end of the limit rod can form a contact with the outer wall of the collecting box, a sealing groove is provided on the inner wall of the slot, a sealing gasket which is clamped with the support block is inserted in the sealing groove, when the collecting box is inserted into the slot, the sealing gasket forms a contact with the collecting box and is hidden in the sealing groove.

10. The automatic positioning and cleaning device for concrete test block strength testing according to claim 9, characterized in that: A crushing mechanism is installed on the base and on the side of the support block away from the support plate. The crushing mechanism includes a crushing shell fixedly installed on the base, and two meshing crushing rollers are rotatably installed in the crushing shell. The two crushing rollers are connected by a spur gear assembly. A motor four connected to one of the crushing rollers is fixedly installed on the crushing shell. A guide hopper connected to the interior of the crushing shell is fixedly installed on the top of the crushing shell, and the top of the guide hopper is flush with the top of the lower pressure block. A discharge hopper connected to the interior of the crushing shell is fixedly installed at the bottom of the crushing shell, and the bottom end of the discharge hopper passes through one side of the support block and is located above the collection box.

Images