A cement mortar vibration test bench

Abstract

The utility model discloses a cement mortar vibration test bench, which belongs to the technical field of cement mortar detection, and comprises a base, wherein a driving motor is connected to the top of the base; the utility model is provided with a receiving and collecting component, wherein a first collecting frame and a second collecting frame are respectively moved and fitted to the outer sides of a placement groove, and an external connection block is then plugged into a fixing groove, and then a tightening screw is rotated, and the movement of the tightening screw drives a plugging rod to move and be plugged into the inside of the plugging groove; during a subsequent vibration test, when part of the cement mortar inside the placement groove is forced to separate from the first collecting frame and the second collecting frame, it falls into the first collecting frame and the second collecting frame under the action of gravity, and the first collecting frame and the second collecting frame are used to carry out a receiving and collecting operation on the fallen cement mortar, so as to prevent the cement mortar from falling onto a clamping and fixing mechanism, to prevent the surface of the clamping and fixing mechanism from being contaminated, and to facilitate operators to collect and process the fallen cement mortar.

Description

Technical Field

[0001] The utility model belongs to the technical field of cement mortar detection, and in particular relates to a cement mortar vibration test bench. Background Art

[0002] Cement mortar refers to: a specimen mixture made of cement and standard sand specified by the state for testing cement strength (that is, Kainian cement grade).

[0003] Chinese patent application No. 202320838625.X discloses a cement mortar vibration test bench for cement testing, including a base, a buffer mechanism installed on the base, an operating table installed on the buffer mechanism, a clamping mechanism installed on the operating table, a placement slot installed on the clamping mechanism, a testing mechanism installed on the upper surface of the base, and fixing mechanisms installed on both sides of the base. The utility model discloses a cement mortar vibration test bench for cement testing. By rotating the clamping handle, the threaded rod is driven to rotate, and the clamping block is driven to move on the threaded rod, thereby increasing or reducing the distance between the clamping seats. Placement slots of different sizes can be placed in the center of the operating table to balance the load on the operating table, thereby achieving a good vibration effect. The flexibility of the test bench can be increased by the universal wheels. By rotating the fixed handle, the foot seat is driven to move downward, so that the universal wheels leave the ground and increase the stability of the test bench.

[0004] In the above patent, the cement mortar to be tested is put into a placement groove for vibration testing. During the testing process, the cement mortar inside the placement groove is forced to break away from the placement groove and fall onto the operating table, which can easily cause the operating table to be contaminated, and the cement mortar on the operating table needs to be cleaned manually afterwards, which increases the labor burden of the staff; in addition, the eccentric wheel is driven by a driving motor to rotate, and the operating table is driven to move up and down during the rotation of the eccentric wheel. The eccentric wheel is worn during use, but the eccentric wheel is fixed at the output end of the driving motor, which can easily cause the inconvenience of disassembly and replacement of the eccentric wheel. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a cement mortar vibration test bench, which has the characteristics of receiving and collecting falling materials and being easy to disassemble and assemble.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cement mortar vibration test bench, comprising a base, a drive motor is connected to the top of the base, an eccentric wheel is connected to the output end of the drive motor, a connecting component is arranged between the drive motor and the eccentric wheel, a mobile lifting mechanism is arranged above the base and on both sides of the drive motor, a clamping and fixing mechanism is arranged above the two mobile lifting mechanisms, a placement groove is arranged above the clamping and fixing mechanism, and a receiving and collecting component is arranged on the periphery of the placement groove.

[0007] Preferably, the receiving and collecting component includes a first collection frame, a second collection frame, a fixed block, an external block, a fixed groove and a fixing piece. The first collection frame is arranged on one side of the periphery of the placement groove, and the second collection frame is arranged on the other side of the periphery of the placement groove. The first collection frame and the second collection frame are connected to the external block at one end close to each other, the fixed block is connected to the side wall of the placement groove, and fixed grooves are arranged on both sides of the fixed block and at the position corresponding to the external block, and a fixing piece is arranged between the fixed block and the external block.

[0008] Preferably, the fixing member includes a plug-in rod, a receiving cavity, a tightening screw and a plug-in slot, a receiving cavity is provided on the side wall of the fixing slot, a plug-in rod is inserted inside the receiving cavity, one end of the receiving cavity is connected to the tightening screw, and a plug-in slot is provided at one end of the external block and at a position corresponding to the plug-in rod.

[0009] Preferably, both sides of one end of the plug-in rod close to the storage cavity are connected with guide slide blocks, and guide grooves are provided on the inner side wall of the storage cavity at positions corresponding to the guide slide blocks.

[0010] Preferably, the connecting assembly includes a pull rod, a protrusion, a positioning groove, a pull groove, a return spring, an external ring and a connecting frame; the output end of the driving motor is connected to the connecting frame, one end of the eccentric wheel and located inside the connecting frame is connected to the protrusion, the connecting frame is provided with pull grooves inside and on both sides of the protrusion, a pull rod is inserted into the pull groove, an external ring is connected on the outer wall of the pull rod and located inside the pull groove, a return spring is connected between the external ring and the pull groove, and a positioning groove is provided on the side wall of the protrusion and at the position corresponding to the pull rod.

[0011] Preferably, one end of the pull rod away from the protrusion is connected to a pull ring, and an anti-slip ring is provided on the outer side wall of the pull ring.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a receiving and collecting component, and the first collecting frame and the second collecting frame are respectively moved and fitted to the outer sides of the placement groove, and the external block is then plugged into the fixed groove, and then the tightening screw is rotated, and the movement of the tightening screw drives the plug-in rod to move and be plugged into the inside of the plug-in groove. During the subsequent vibration test, when part of the cement mortar inside the placement groove is forced to break away from the first collecting frame and the second collecting frame, it falls into the first collecting frame and the second collecting frame under the action of gravity, and the first collecting frame and the second collecting frame are used to carry out the receiving and collecting operation of the fallen cement mortar, so as to prevent the cement mortar from falling onto the clamping and fixing mechanism, prevent the surface of the clamping and fixing mechanism from being contaminated, and facilitate the operator to collect and handle the fallen cement mortar.

[0014] 2. The utility model sets a connecting component, firstly moves two pull rods in back-to-back directions, the movement of the pull rod drives the external ring to move inside the pull groove, the movement of the external ring squeezes the reset spring, and then the protrusion is moved and plugged into the inside of the connecting frame, and then the pull rod is released, the reset spring loses the external force and returns to its original state, driving the external ring to move, the movement of the external ring drives the pull rod to move and plug into the inside of the positioning groove, under the action of the pull rod, the protrusion can be fixed, so that the connecting frame and the protrusion can be fixed, which is convenient for the disassembly and assembly of the eccentric wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is a front view of the placement slot of the utility model;

[0018] Figure 4 It is a partial cross-sectional view of the connection state of the first collecting frame and the second collecting frame of the utility model;

[0019] Figure 5 It is a cross-sectional view of the connection state between the external block and the fixed block of the utility model;

[0020] Figure 6 It is a cross-sectional view of the connection state between the driving motor and the eccentric wheel of the utility model;

[0021] Figure 7 For this utility model Figure 6 Enlarged view of point A in the middle.

[0022] In the figure: 1. clamping and fixing mechanism; 2. receiving and collecting assembly; 21. first collecting frame; 22. second collecting frame; 23. fixing block; 24. external block; 25. fixing groove; 26. fixing piece; 261. plug-in rod; 262. storage chamber; 263. tightening screw; 264. plug-in groove; 3. placement groove; 4. base; 5. mobile lifting mechanism; 6. driving motor; 7. eccentric wheel; 8. connecting assembly; 81. pull rod; 82. protrusion; 83. positioning groove; 84. pull groove; 85. reset spring; 86. external ring; 87. connecting frame. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] See also Figure 1-7 The utility model provides the following technical solutions: a cement mortar vibration test bench, including a base 4, a driving motor 6 is connected to the top of the base 4, an eccentric wheel 7 is connected to the output end of the driving motor 6, a connecting component 8 is arranged between the driving motor 6 and the eccentric wheel 7, a mobile lifting mechanism 5 is arranged above the base 4 and on both sides of the driving motor 6, a clamping and fixing mechanism 1 is arranged above the two mobile lifting mechanisms 5, a placement groove 3 is arranged above the clamping and fixing mechanism 1, and a receiving and collecting component 2 is arranged on the periphery of the placement groove 3.

[0026] Specifically, the receiving and collecting component 2 includes a first collecting frame 21, a second collecting frame 22, a fixing block 23, an external block 24, a fixing groove 25 and a fixing piece 26. The first collecting frame 21 is arranged on one side of the outer periphery of the placement groove 3, and the second collecting frame 22 is arranged on the other side of the outer periphery of the placement groove 3. The first collecting frame 21 and the second collecting frame 22 are connected to the external block 24 at one end close to each other. The fixing block 23 is connected to the side wall of the placement groove 3. The fixing grooves 25 are arranged on both sides of the fixing block 23 and at the position corresponding to the external block 24. The fixing piece 26 is arranged between the fixing block 23 and the external block 24.

[0027] By adopting the above technical scheme, the first collecting frame 21 and the second collecting frame 22 are respectively placed on both sides of the outer periphery of the placement groove 3, and the first collecting frame 21 and the second collecting frame 22 are moved toward each other. When the first collecting frame 21 and the second collecting frame 22 are fitted with each other, the external block 24 is inserted into the fixing groove 25 on the fixing block 23, and then the fixing block 23 and the external block 24 are fixed by the fixing piece 26, so that the first collecting frame 21 and the second collecting frame 22 can be fixed. During the subsequent cement mortar vibration detection test, the cement mortar inside the placement groove 3 is forced to separate from the placement groove 3, and then falls into the first collecting frame 21 and the second collecting frame 22 under the action of gravity. The first collecting frame 21 and the second collecting frame 22 are used to receive and collect the fallen cement mortar, so as to avoid the cement mortar from falling onto the clamping and fixing mechanism 1, avoid the surface of the clamping and fixing mechanism 1 from being contaminated, and facilitate the operator to collect and handle the fallen cement mortar.

[0028] Specifically, the fixing member 26 includes a plug rod 261, a receiving cavity 262, a tightening screw 263 and a plug slot 264. The receiving cavity 262 is provided on the side wall of the fixing slot 25. The plug rod 261 is inserted into the receiving cavity 262. One end of the receiving cavity 262 is connected to the tightening screw 263. The plug slot 264 is provided at one end of the external block 24 and at a position corresponding to the plug rod 261.

[0029] By adopting the above technical solution, after the external block 24 is inserted into the fixing groove 25 on the fixing block 23, the tightening screw 263 is rotated to make it rotate and move along the storage cavity 262. The movement of the tightening screw 263 drives the plug-in rod 261 to move and be inserted into the plug-in groove 264. Under the action of the plug-in rod 261, the external block 24 can be plugged in and fixed.

[0030] Specifically, both sides of one end of the plug rod 261 close to the receiving cavity 262 are connected to guide sliders, and guide grooves are provided on the inner wall of the receiving cavity 262 at positions corresponding to the guide sliders.

[0031] By adopting the above technical solution, the movement of the plug rod 261 drives the guide slider to move inside the guide slot. Under the sliding cooperation of the guide slider and the guide slot, a guiding effect can be provided for the movement of the plug rod 261, thereby improving the stability of the movement of the plug rod 261.

[0032] When the present embodiment is used, the placement slot 3 is placed on the clamping and fixing mechanism 1, and then the first collection frame 21 and the second collection frame 22 are respectively placed on both sides of the outer periphery of the placement slot 3, and the first collection frame 21 and the second collection frame 22 are moved toward each other. When the first collection frame 21 and the second collection frame 22 are fitted to each other, the external block 24 is plugged into the interior of the fixing slot 25 on the fixing block 23, and then the tightening screw 263 is rotated to rotate and move along the storage cavity 262. The movement of the tightening screw 263 drives the plug-in rod 261 to move and be plugged into the interior of the plug-in slot 264, and then the cement mortar to be tested is injected into the placement slot 3, and then the driving motor 6 is started, and the driving motor 6 is used to drive the eccentric wheel 7 to rotate, and the eccentric wheel 7 is rotated. During the rotation of the heart wheel 7, the mobile lifting mechanism 5 can drive the clamping and fixing mechanism 1 to move, and the movement of the clamping and fixing mechanism 1 drives the placement groove 3 to move, and the cement mortar inside the placement groove 3 is subjected to a vibration test operation. During the vibration test, when part of the cement mortar inside the placement groove 3 is forced to break away from the first collection frame 21 and the second collection frame 22, it falls into the first collection frame 21 and the second collection frame 22 under the action of gravity, and the first collection frame 21 and the second collection frame 22 are used to receive and collect the fallen cement mortar, so as to prevent the cement mortar from falling onto the clamping and fixing mechanism 1, prevent the surface of the clamping and fixing mechanism 1 from being contaminated, and facilitate the operator to collect and handle the fallen cement mortar;

[0033] Example 2

[0034] The present embodiment is different from the embodiment 1 in that: the connecting assembly 8 comprises a pull rod 81, a protrusion 82, a positioning groove 83, a drawing groove 84, a return spring 85, an external connecting ring 86 and a connecting frame 87; the output end of the driving motor 6 is connected to the connecting frame 87; one end of the eccentric wheel 7 is connected to the protrusion 82 inside the connecting frame 87; drawing grooves 84 are provided inside the connecting frame 87 and on both sides of the protrusion 82; the pull rod 81 is inserted inside the drawing groove 84; an external connecting ring 86 is connected on the outer wall of the pull rod 81 and inside the drawing groove 84; a return spring 85 is connected between the external connecting ring 86 and the drawing groove 84; a positioning groove 83 is provided on the side wall of the protrusion 82 and at the position corresponding to the pull rod 81;

[0035] Specifically, one end of the pull rod 81 away from the protrusion 82 is connected to a pull ring, and an anti-slip ring is provided on the outer wall of the pull ring.

[0036] By adopting the above technical solution, when the pull rod 81 needs to be pulled, the pull ring is held and force is applied to drive the pull rod 81 to move, which is convenient for the operator to operate. During the force application process, the anti-slip ring can prevent the hand from slipping.

[0037] When this embodiment is used, the two pull rods 81 are first moved back to back. The movement of the pull rod 81 drives the external ring 86 to move inside the pull groove 84. The external ring 86 moves to squeeze the reset spring 85, and then the protrusion 82 is moved and inserted into the connecting frame 87. Then the pull rod 81 is released, and the reset spring 85 loses the external force and returns to its original state, driving the external ring 86 to move. The movement of the external ring 86 drives the pull rod 81 to move and insert it into the positioning groove 83. Under the action of the pull rod 81, the protrusion 82 can be fixed, so that the connecting frame 87 and the protrusion 82 can be fixed, which is convenient for the disassembly and assembly of the eccentric wheel 7.

[0038] The structure and principle of the clamping and fixing mechanism 1 composed of an operating table, a threaded rod, a clamping handle, a clamping block, a clamping seat, and a sliding hole in the utility model have been disclosed in a cement mortar vibration test bench for cement testing disclosed in Chinese patent application number 202320838625.X. Its working principle is: an operating table is connected to the top of the mobile lifting mechanism 5, and a threaded rod is connected inside the operating table. The threads at both ends of the threaded rod are in opposite directions. A clamping handle is installed at the protruding end of the threaded rod, and a clamping block is installed on the threaded rod. The clamping seat is installed on the clamping block. A sliding hole is provided on the upper surface of the operating table, and the clamping seat slides on the sliding hole. When in use, the placement groove 3 is placed on the operating table and located between the two clamping seats. The clamping handle is then used to drive the threaded rod to rotate, and the rotation of the threaded rod drives the clamping block to move. The movement of the clamping block drives the clamping seat to move inside the sliding hole. When the clamping seat moves to fit the two side walls of the placement groove 3, the clamping handle is stopped, so as to facilitate the clamping and fixing operation of the placement groove 3.

[0039] The structure and principle of the mobile lifting mechanism 5 composed of a mounting seat, a telescopic rod, a connecting plate, and a buffer spring in the utility model have been disclosed in a cement mortar vibration test bench for cement testing disclosed in Chinese patent application No. 202320838625.X, and its working principle is: a mounting seat on the upper surface of the base 4, a telescopic rod is installed on the mounting seat, a connecting plate is installed on the top of the telescopic rod, the connecting plate is fixedly connected to the lower surface of the operating table component in the clamping and fixing mechanism 1, and a buffer spring is fixedly installed between the connecting plate and the mounting seat. When in use, the driving motor is used to drive the eccentric wheel to rotate, and the rotation of the eccentric wheel drives the operating table component in the clamping and fixing mechanism 1 to move up and down, the movement of the operating table component in the clamping and fixing mechanism 1 drives the connecting plate to move, the movement of the movable plate drives the telescopic rod to move, and the movement of the telescopic rod drives the buffer spring to stretch.

[0040] The working principle and use process of the utility model are as follows: the utility model first moves the two pull rods 81 in reverse, the pull rod 81 moves to drive the external ring 86 to move inside the pull groove 84, the external ring 86 moves to squeeze the reset spring 85, and then the protrusion 82 moves and plugs into the inside of the connection frame 87, and then the pull rod 81 is released, the reset spring 85 loses the external force and restores to its original state, driving the external ring 86 to move, and the external ring 86 moves to drive the pull rod 81 to move and plug into the positioning groove 83. Under the action of the pull rod 81, the The protrusion 82 is fixed, so that the connection frame 87 and the protrusion 82 can be fixed, which is convenient for realizing the disassembly and assembly of the eccentric wheel 7. The placement groove 3 is placed on the clamping and fixing mechanism 1, and then the first collection frame 21 and the second collection frame 22 are placed on both sides of the outer periphery of the placement groove 3, and the first collection frame 21 and the second collection frame 22 are moved toward each other. When the first collection frame 21 and the second collection frame 22 are attached to each other, the external block 24 is inserted into the fixing groove 25 on the fixing block 23, and then rotated to the fixing block 23. The screw 263 is tightened to rotate and move along the storage cavity 262, and the movement of the screw 263 drives the plug-in rod 261 to move and plug into the plug-in slot 264, and then the cement mortar to be tested is injected into the placement slot 3, and then the drive motor 6 is started, and the eccentric wheel 7 is driven by the drive motor 6 to rotate. During the rotation of the eccentric wheel 7, the mobile lifting mechanism 5 can drive the clamping and fixing mechanism 1 to move, and the clamping and fixing mechanism 1 moves to drive the placement slot 3 to move, and a vibration test operation is performed on the cement mortar inside the placement slot 3. During the vibration test, when part of the cement mortar inside the placement slot 3 is forced to break away from the first collection frame 21 and the second collection frame 22, it falls into the first collection frame 21 and the second collection frame 22 under the action of gravity, and the first collection frame 21 and the second collection frame 22 are used to receive and collect the fallen cement mortar, so as to prevent the cement mortar from falling onto the clamping and fixing mechanism 1, prevent the surface of the clamping and fixing mechanism 1 from being contaminated, and facilitate the operator to collect and handle the fallen cement mortar.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cement mortar vibration test bench, comprising a base, characterized in that: A driving motor is connected to the top of the base, an eccentric wheel is connected to the output end of the driving motor, a connecting component is arranged between the driving motor and the eccentric wheel, a movable lifting mechanism is arranged above the base and on both sides of the driving motor, a clamping and fixing mechanism is arranged above the two movable lifting mechanisms, a placement groove is arranged above the clamping and fixing mechanism, and a receiving and collecting component is arranged on the periphery of the placement groove.

2. The cement mortar vibration test bench according to claim 1, characterized in that: The receiving and collecting component includes a first collecting frame, a second collecting frame, a fixed block, an external block, a fixed groove and a fixing piece. The first collecting frame is arranged on one side of the outer periphery of the placement groove, and the second collecting frame is arranged on the other side of the outer periphery of the placement groove. The first collecting frame and the second collecting frame are connected to the external block at one end close to each other, the fixed block is connected to the side wall of the placement groove, and fixed grooves are arranged on both sides of the fixed block and at the position corresponding to the external block, and a fixing piece is arranged between the fixed block and the external block.

3. A cement mortar vibration test bench according to claim 2, characterized in that: The fixing member includes a plug-in rod, a receiving cavity, a tightening screw and a plug-in slot. The receiving cavity is provided on the side wall of the fixing slot. The plug-in rod is inserted into the storage cavity. One end of the storage cavity is connected to the tightening screw. The plug-in slot is provided at one end of the external block and at the position corresponding to the plug-in rod.

4. The cement mortar vibration test bench according to claim 3 is characterized by: Both sides of one end of the plug-in rod close to the storage cavity are connected with guide slide blocks, and guide sliding grooves are arranged on the inner side wall of the storage cavity at positions corresponding to the guide slide blocks.

5. The cement mortar vibration test bench according to claim 1 is characterized in that: The connecting component includes a pull rod, a protrusion, a positioning groove, a pull groove, a reset spring, an external ring and a connecting frame. The output end of the driving motor is connected to the connecting frame, one end of the eccentric wheel and located inside the connecting frame is connected to the protrusion, the connection frame is provided with pull grooves inside and on both sides of the protrusion, the pull rod is inserted into the pull groove, the outer wall of the pull rod and located inside the pull groove is connected to the external ring, a reset spring is connected between the external ring and the pull groove, and a positioning groove is provided on the side wall of the protrusion and at the position corresponding to the pull rod.

6. The cement mortar vibration test bench according to claim 5, characterized in that: One end of the pull rod away from the protrusion is connected with a pull ring, and an anti-slip ring is arranged on the outer side wall of the pull ring.

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