CN219996746U - Device for testing mechanical properties of mixture - Google Patents
Device for testing mechanical properties of mixture Download PDFInfo
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- CN219996746U CN219996746U CN202321663526.9U CN202321663526U CN219996746U CN 219996746 U CN219996746 U CN 219996746U CN 202321663526 U CN202321663526 U CN 202321663526U CN 219996746 U CN219996746 U CN 219996746U
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- test bench
- mechanical properties
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- set firmly
- compression
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- 238000012360 testing method Methods 0.000 title claims abstract description 92
- 239000000203 mixture Substances 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 34
- 238000007906 compression Methods 0.000 abstract description 26
- 230000006835 compression Effects 0.000 abstract description 24
- 238000012669 compression test Methods 0.000 description 13
- 230000006872 improvement Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of performance testing equipment, in particular to a device for testing mechanical properties of a mixture. The test bench comprises a test bench, wherein an empty groove is formed in the top of the test bench, two ends, close to the top, of the empty groove are provided with rotating shafts in a rotating mode, sealing plates are fixedly arranged on the periphery of the rotating shafts, the two sealing plates are in movable fit, through grooves are formed in opposite ends of the two sealing plates, and a cross rod is fixedly arranged between side walls of two sides of the empty groove. According to the utility model, the two mutually matched sealing plates which can be opened and closed are arranged in the empty groove, when crushed aggregates exist on the supporting tray, the crushed aggregates are swept to the top of the sealing plate, the sealing plate is rotated to enable the crushed aggregates to fall into the empty groove, and the clamping plates are driven by the two first electric push rods at the two ends of the test bench to clamp the compression-resistant test pieces at the top of the supporting tray, so that the clamping difficulty is reduced, the crushed aggregates generated by the compression-resistant test pieces in the test are conveniently cleaned, and the workload of staff is reduced.
Description
Technical Field
The utility model relates to the technical field of performance testing equipment, in particular to a device for testing mechanical properties of a mixture.
Background
The mixture refers to a pre-mixed dry mixture, which comprises cement, sand, stones and other raw materials, and can be made into concrete after a proper amount of water is added, the high polymer broken stone mixture is commonly used for pouring roadbed, and before pouring, the mixture is generally supported by a compression-resistant test piece and mechanical property test is carried out on the compression-resistant test piece, wherein the compression resistance is indispensable in the mechanical property test.
The existing mechanical property test equipment is added with a structure for fixing the compression resistant test piece, so that the influence of deflection on the accuracy of the test in the test is avoided, but the fixing structure is complicated in the use process, and the compression resistant test piece can generate crushed aggregates in the test process.
The Chinese patent publication number is as follows: the compression strength test device for the inorganic binder construction waste roadbed mixture comprises a compression-resistant table, a fixing frame arranged on the compression-resistant table, a pressure head arranged on the fixing frame in a sliding manner, a driving mechanism arranged on the fixing frame and used for driving the pressure head to move, a mounting seat arranged on the compression-resistant table and a compression-resistant test piece limiting assembly arranged on the mounting seat. The utility model has the effects of improving the stability of the compression test piece during testing and improving the accuracy of compression test data.
When fixed compressive test piece in above-mentioned scheme, need adjust a plurality of spacing portions to carry out threaded connection through the screw rod between spacing portion and the extension strip, increased the degree of difficulty of adjustment, simultaneously when compressive test piece atress damaged in the test, the crushed aggregates that produce were unrestrained on holding tray and anti-compression table, inconvenient clearance and increased staff's work load, in view of this, we propose a device of mixture mechanical properties test.
Disclosure of Invention
The utility model aims to provide a device for testing mechanical properties of a mixture, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the utility model provides a device for testing mechanical properties of a mixture, which comprises a test bench, wherein a hollow groove is formed in the top of the test bench, two ends, close to the top, of the hollow groove are respectively provided with a rotating shaft in a rotating mode, sealing plates are fixedly arranged on the periphery of the rotating shaft, the two sealing plates are in movable fit, through grooves are formed in opposite ends of the two sealing plates, a cross rod is fixedly arranged between side walls of two sides of the hollow groove, a supporting rod is fixedly arranged at the top of the cross rod, the supporting rod penetrates through the through grooves, a supporting plate is fixedly arranged at the top of the supporting rod, first electric pushing rods are fixedly arranged at the positions, close to the top, of outer walls of two ends of the test bench, of the two sealing plates, and clamping plates are respectively fixedly connected with movable ends of the adjacent first electric pushing rods.
As a further improvement of the technical scheme, two groups of belt pulleys which are transversely arranged are rotatably arranged on the outer wall of one side of the test board, the number of the belt pulleys in each group is two, the two belt pulleys at two ends are fixedly connected with two rotating shafts respectively, gears are fixedly arranged on one side, close to the test board, of each belt pulley at the middle position, the two belt pulleys are meshed with each other, the two belt pulleys in each group are connected through belt transmission, a cover body is fixedly arranged on the outer wall of the test board, the two groups of belt pulleys are located in the cover body, a motor is fixedly arranged on the outer wall of the cover body, and the output end of the motor is fixedly connected with one of the belt pulleys at the middle position.
As a further improvement of the technical scheme, the top of the test board is provided with a support frame, two ends of the bottom of the support frame are respectively fixedly connected with the top walls of two ends of the test board, the top of the support frame is fixedly provided with a second electric push rod, the bottom of the support frame is provided with a pressing block, and the movable end of the second electric push rod is fixedly connected with the pressing block.
As a further improvement of the technical scheme, threaded holes penetrating through are formed in two sides of the clamping plate, rubber pads are arranged on the side walls of one opposite ends of the clamping plate, connecting holes are formed in two sides of the rubber pads, bolts are arranged in the connecting holes in a sliding mode, and the bolts are in threaded connection with the threaded holes.
As a further improvement of the technical scheme, the bottom of the empty slot is provided with a guide slot with a conical structure, the guide slot is communicated with the empty slot, and the bottom of the guide slot is fixedly provided with a discharge pipe.
As a further improvement of the technical scheme, the four corners of the bottom of the test bench are fixedly provided with supporting legs, the bottom of the test bench is provided with a material receiving box, and the material receiving box is positioned at the bottom of the discharge pipe.
Compared with the prior art, the utility model has the beneficial effects that:
in this device of mixture mechanical properties test, through setting up two sealing plates that mutually support that can open and close in the empty slot, when having the crushed aggregates on the support tray, sweep it to the top of sealing plate, it drops into the empty slot to rotate the sealing plate again and make the crushed aggregates fall to drive splint by two first electric putter at testboard both ends and carry out the centre gripping to the resistance to compression test piece at support tray top, thereby this testing arrangement has not only reduced the degree of difficulty of centre gripping, and the crushed aggregates that the clearance resistance to compression test piece produced in the test of being convenient for, staff's work load has been alleviateed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of a cover structure of the present utility model;
FIG. 4 is a partially exploded view of the present utility model;
fig. 5 is a schematic view showing the split structure of the clamping plate and the rubber pad of the utility model.
The meaning of each reference sign in the figure is:
100. a test bench; 110. a hollow groove; 111. a rotating shaft; 112. a sealing plate; 113. a through groove; 114. a guide groove; 115. a discharge pipe; 120. a cross bar; 121. a support rod; 122. a tray; 130. a first electric push rod; 131. a clamping plate; 132. a threaded hole; 133. a rubber pad; 134. a connection hole; 135. a bolt; 140. a belt pulley; 141. a gear; 142. a belt; 143. a cover body; 144. a motor; 150. a support frame; 151. a second electric push rod; 152. briquetting; 160. a support leg; 161. and (5) receiving a material box.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the utility model provides a device for testing mechanical properties of a mixture, which comprises a test bench 100, wherein a hollow groove 110 is formed at the top of the test bench 100, two ends of the hollow groove 110 close to the top are respectively provided with a rotating shaft 111 in a rotating manner, the periphery of the rotating shaft 111 is fixedly provided with sealing plates 112, two sealing plates 112 are in movable fit, opposite ends of the two sealing plates 112 are respectively provided with a through groove 113, a cross rod 120 is fixedly arranged between side walls at two sides of the hollow groove 110, a supporting rod 121 is fixedly arranged at the top of the cross rod 120, the supporting rod 121 penetrates through the through groove 113, a supporting tray 122 is fixedly arranged at the top of the supporting rod 121, and the supporting tray 122 is positioned at the tops of the two sealing plates 112, and is mainly characterized in that: during testing, the compression-resistant test piece is placed at the top of the supporting disc 122, when the crushed aggregates of the compression-resistant test piece scatter on the supporting disc 122 and the sealing plate 112 during testing, the crushed aggregates on the supporting disc 122 are firstly scanned and fall on the sealing plate 112, then the two sealing plates 112 are rotated to incline downwards, so that the crushed aggregates at the top of the sealing plate 112 fall into the bottom of the empty slot 110, the positions, close to the top, of the outer walls of the two ends of the test bench 100 are fixedly provided with the first electric push rods 130, the tops of the two sealing plates 112 are respectively provided with the clamping plates 131, and the two clamping plates 131 are respectively fixedly connected with the movable ends of the adjacent first electric push rods 130, so that the main purposes are that: through two first electric putter 130, make the expansion end drive splint 131 to the one end that bearing dish 122 is located to make two splint 131 grasp the both ends of resistance to compression test piece.
Working principle:
when the anti-compression device is used, the two sealing plates 112 are rotated to be closed, then the anti-compression test piece is placed at the top of the supporting disc 122, then the two first electric push rods 130 are controlled to drive the two clamping plates 131 to move towards one end where the supporting disc 122 is located respectively, so that the two ends of the anti-compression test piece located at the top of the supporting disc 122 are clamped, the anti-compression test piece is fixed, at the moment, the anti-compression test piece is subjected to mechanical property test, when the crushed aggregates generated in the anti-compression test piece test fall on the supporting disc 122 and the sealing plate 112, the crushed aggregates on the supporting disc 122 are firstly scanned onto the sealing plate 112, and then the opposite ends of the two sealing plates 112 are respectively rotated downwards, so that the crushed aggregates at the top of the sealing plate 112 fall into the empty groove 110.
In order to enable the two sealing plates 112 to rotate synchronously and reversely, two groups of belt pulleys 140 which are transversely arranged are rotatably arranged on the outer wall of one side of the test bench 100, two belt pulleys 140 positioned at two ends are fixedly connected with two rotating shafts 111 respectively, gears 141 are fixedly arranged on one side, close to the test bench 100, of the two belt pulleys 140 positioned at the middle position, the two gears 141 are meshed, the two belt pulleys 140 in each group are connected through a belt 142 in a transmission manner, a cover 143 is fixedly arranged on the outer wall of the test bench 100, the two groups of belt pulleys 140 are positioned in the cover 143, a motor 144 is fixedly arranged on the outer wall of the cover 143, the output end of the motor 144 is fixedly connected with one belt pulley 140 positioned at the middle position, when the motor 144 works, the output end drives the belt pulleys 140 fixedly connected with the motor, and the gears 141 on the two belt pulleys 140 positioned at the middle position are in meshed connection, so that the two belt pulleys 140 synchronously rotate reversely, and synchronously and reversely under the action of the belt 142, the two belt pulleys 140 positioned at the two ends rotate synchronously and reversely, so that the two sealing plates 112 rotate synchronously and reversely.
The test bench 100 is provided with a support 150 at the top thereof for testing mechanical properties of an anti-compression test piece, two ends of the bottom of the support 150 are fixedly connected with top walls of two ends of the test bench 100 respectively, a second electric push rod 151 is fixedly arranged at the top of the support 150, a press block 152 is arranged at the bottom of the support 150, a movable end of the second electric push rod 151 is fixedly connected with the press block 152, and the press block 152 is driven to move downwards by the operation of the second electric push rod 151, so that an acting force is applied to the anti-compression test piece at the top of the bearing plate 122 to detect the compression property of the anti-compression test piece.
Meanwhile, in order to avoid sliding of the clamping plates 131 when clamping the compression-resistant test piece, through threaded holes 132 are formed in two sides of the clamping plates 131, rubber pads 133 are arranged on side walls of opposite ends of the two clamping plates 131, connecting holes 134 are formed in two sides of the rubber pads 133, bolts 135 are arranged in the connecting holes 134 in a sliding mode, the bolts 135 are in threaded connection with the threaded holes 132, and therefore friction force of the clamping plates 131 when clamping the compression-resistant test piece is increased, and clamping states are stable.
In addition, in order to conveniently guide out crushed aggregates of the compression-resistant test piece in the empty groove 110, a guide groove 114 with a conical structure is formed in the bottom of the empty groove 110, the guide groove 114 is communicated with the empty groove 110, a discharge pipe 115 is fixedly arranged at the bottom of the guide groove 114, and when the crushed aggregates fall into the empty groove 110, the crushed aggregates fall out of the bottom of the discharge pipe 115 through the guide groove 114.
In addition, in order to improve the practicality of the device, the landing leg 160 has all been set firmly in test bench 100 bottom four corners, and test bench 100 bottom is equipped with and connects workbin 161, connects workbin 161 to be located the discharging pipe 115 bottom.
When the device for testing the mechanical properties of the mixture in this embodiment is specifically used, the power switch of the motor 144 is turned on firstly, so that one end of the two opposite sealing plates 112 rotates upwards until the two sealing plates 112 rotate to be horizontal to be closed, then the compression-resistant test piece is placed on the top of the bearing plate 122, the two clamping plates 131 are moved towards the middle by controlling the two first electric push rods 130 to clamp the two ends of the compression-resistant test piece on the top of the bearing plate 122, at this time, the compression-resistant test piece is fixed on the top of the bearing plate 122, and then the second electric push rods 151 are controlled to drive the pressing blocks 152 to move downwards until the compression-resistant test piece is subjected to compression resistance test;
if the crushed aggregates of the compression-resistant test pieces fall on the top of the tray 122 during testing, the crushed aggregates can be scanned off to the top of the sealing plates 112 after the testing is finished, and finally the opposite ends of the two sealing plates 112 are rotated downwards by the driving motor 144, so that the crushed aggregates on the top fall into the empty groove 110, and the crushed aggregates fall into the material receiving box 161 through the guide groove 114 and the material discharging pipe 115.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a device of mixture mechanical properties test which characterized in that: including testboard (100), empty slot (110) have been seted up at testboard (100) top, empty slot (110) all rotate at the both ends that are close to the top position and are provided with pivot (111), pivot (111) periphery has set firmly closing plate (112), two closing plate (112) clearance fit, two closing plate (112) relative one end has all been seted up logical groove (113), horizontal pole (120) have been set firmly between empty slot (110) both sides lateral wall, branch (121) have been set firmly at horizontal pole (120) top, branch (121) pass logical groove (113), branch (121) top has set firmly tray (122), tray (122) are located two closing plate (112) tops, the position that is close to the top at testboard (100) both ends outer wall all has set firmly first electric putter (130), two closing plate (112) top all is equipped with splint (131), two splint (131) respectively with the end fixed connection of adjacent first electric putter (130).
2. The device for testing mechanical properties of a mixture according to claim 1, wherein: the utility model discloses a test bench, including test bench (100) and belt pulley (140), test bench (100) one side outer wall rotates and is provided with two sets of belt pulleys (140), and every group the quantity of belt pulley (140) is two, is located two belt pulleys (140) are respectively with two pivot (111) fixed connection, are located two belt pulleys (140) in intermediate position one side that is close to test bench (100) all has set firmly gear (141), two mesh between gear (141), two in every group between belt pulleys (140) pass through belt (142) transmission connection, test bench (100) outer wall has set firmly lid (143), two sets of belt pulleys (140) are located lid (143), lid (143) outer wall has set firmly motor (144), the output of motor (144) is with be located one of them belt pulley (140) fixed connection of intermediate position.
3. The device for testing mechanical properties of a mixture according to claim 2, wherein: the test bench is characterized in that a supporting frame (150) is arranged at the top of the test bench (100), two ends of the bottom of the supporting frame (150) are fixedly connected with top walls at two ends of the test bench (100) respectively, a second electric push rod (151) is fixedly arranged at the top of the supporting frame (150), a pressing block (152) is arranged at the bottom of the supporting frame (150), and the movable end of the second electric push rod (151) is fixedly connected with the pressing block (152).
4. A device for testing mechanical properties of a mixture according to claim 3, wherein: threaded holes (132) penetrating through are formed in two sides of the clamping plate (131), rubber pads (133) are arranged on the side walls of one ends, opposite to the clamping plate (131), of the clamping plate, connecting holes (134) are formed in two sides of each rubber pad (133), bolts (135) are arranged in the connecting holes (134) in a sliding mode, and the bolts (135) are in threaded connection with the threaded holes (132).
5. The device for testing mechanical properties of a mixture according to claim 4, wherein: the guide groove (114) with the conical structure is formed in the bottom of the empty groove (110), the guide groove (114) is communicated with the empty groove (110), and a discharge pipe (115) is fixedly arranged at the bottom of the guide groove (114).
6. The device for testing mechanical properties of a mixture according to claim 5, wherein: the four corners of the bottom of the test bench (100) are fixedly provided with supporting legs (160), the bottom of the test bench (100) is provided with a material receiving box (161), and the material receiving box (161) is positioned at the bottom of the discharge pipe (115).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321663526.9U CN219996746U (en) | 2023-06-28 | 2023-06-28 | Device for testing mechanical properties of mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321663526.9U CN219996746U (en) | 2023-06-28 | 2023-06-28 | Device for testing mechanical properties of mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219996746U true CN219996746U (en) | 2023-11-10 |
Family
ID=88612660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321663526.9U Active CN219996746U (en) | 2023-06-28 | 2023-06-28 | Device for testing mechanical properties of mixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219996746U (en) |
-
2023
- 2023-06-28 CN CN202321663526.9U patent/CN219996746U/en active Active
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