CN212964778U - Concrete performance test device - Google Patents
Concrete performance test device Download PDFInfo
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- CN212964778U CN212964778U CN202021755111.0U CN202021755111U CN212964778U CN 212964778 U CN212964778 U CN 212964778U CN 202021755111 U CN202021755111 U CN 202021755111U CN 212964778 U CN212964778 U CN 212964778U
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Abstract
The application relates to a concrete performance test device belongs to the field of concrete performance test equipment, including the test bench, be provided with a plurality of examination die holders on the test bench, correspond on every examination die holder and be provided with the examination mould, it is provided with the strike hammer to slide on the test bench, strike the hammer along being close to or keeping away from the removal of examination mould direction, be provided with on the test bench and be used for adjusting the adjusting part that strikes the examination mould of strike hammer. When the test piece needs to be demoulded, the knocking hammer is adjusted to knock the test mold through the adjusting assembly, the worker does not need to knock the test mold repeatedly, labor is saved, and the labor intensity of the worker is reduced.
Description
Technical Field
The application relates to the field of concrete performance test equipment, in particular to a concrete performance test device.
Background
The concrete is a concrete which reduces a permeation channel and improves impermeability by improving the compactness of the concrete and improving a pore structure, and is widely used for hydraulic buildings, underwater, underground and other construction projects with impermeability requirements. The compactness and impermeability of concrete are generally improved by adjusting the mixing ratio of the concrete, adding additives, using new varieties of cement, compacting by vibration, fully maintaining and the like. In order to obtain a suitable preparation process of the impervious concrete, a large number of impervious concrete test blocks are required to be prepared for test comparison.
The anti-permeability detection equipment comprises an HP-4.0 type concrete anti-permeability instrument, a test bed, a hydraulic system and a test die fixing device, wherein before an experiment, a test piece is pressed into each test die by a press machine. Set up 6 groups of examination mould fixing device on the test bench, respectively set up a apopore in this 6 positions of test bench, the apopore communicates to hydraulic system. The hydraulic system provides pressure water for the 6 water outlets, and when 3 test pieces are subjected to water seepage, the water pressure value of the hydraulic system is the anti-seepage grade of the test piece material.
At present, a test piece of a concrete impermeability experiment is of a frustum structure, the diameter of the top surface is 175 mm, the diameter of the bottom surface is 185 mm, and the height is 150 mm, and the bottom surface of the test piece needs to be flush with the bottom edge of a test mold after a test piece sleeve is pressed in, so that the bottom surface of the test piece directly clings to the surface where a water outlet hole is located after the test mold is fixed. After the concrete impermeability experiment is ended, need split test piece to observe the infiltration degree of test piece, before this, need strike out the test piece from the examination mould. The test piece is a frustum, and the process of taking out the test piece needs to be assisted by knocking action due to the extrusion force of water pressure. The current practice is to lay the test mold upside down and then strike the test piece from the small end to the large end of the frustum to withdraw the test piece from the test mold. The inventor thinks that the above-mentioned process of taking out the test piece needs the staff to strike the examination mould repeatedly, extravagant manpower.
SUMMERY OF THE UTILITY MODEL
For using manpower sparingly, alleviate workman intensity of labour, this application provides a concrete performance test device.
The application provides a concrete performance test device adopts following technical scheme:
the concrete performance test device comprises a test bed, wherein a plurality of test bed seats are arranged on the test bed, a test mold is correspondingly arranged on each test bed seat, a knocking hammer is arranged on the test bed in a sliding mode and moves along the direction close to or far away from the test mold, and an adjusting assembly used for adjusting the knocking hammer to knock the test mold is arranged on the test bed.
Through adopting above-mentioned technical scheme, when needs make the test piece die stripping, strike the examination mould through adjusting part in order to adjust the hammer that strikes, need not the staff and strike the examination mould repeatedly, use manpower sparingly, alleviate workman intensity of labour.
Preferably, the knocking hammer comprises a supporting rod arranged on the test bed in a sliding mode and a knocking head arranged on the supporting rod, the adjusting assembly comprises a straight rack arranged on the supporting rod, a motor is arranged on the test bed, an incomplete gear meshed with the straight rack is arranged on a driving shaft of the motor, and an elastic part used for driving the knocking head to abut against the test mold is arranged on the supporting rod.
By adopting the technical scheme, the starting motor drives the incomplete gear to rotate, when the teeth on the incomplete gear are meshed with the straight rack, the supporting rod is driven to drive the knocking head to be away from the test mold, when the teeth on the incomplete gear are not meshed with the straight rack, the supporting rod is released, and the supporting rod drives the knocking head to be abutted against the test mold under the action of the elastic piece, so that the knocking head knocks the test mold; the incomplete gear rotates for a circle, the knocking head knocks the test mold once, and the operation is reciprocating, so that the knocking head knocks the test mold repeatedly, workers do not need to knock the test mold repeatedly, and manpower is saved.
Preferably, the elastic part is a spring sleeved on the supporting rod, a supporting frame is arranged on the test bed, the supporting rod is arranged on the supporting frame in a sliding mode, one end of the spring is connected to the supporting frame, the other end of the spring is connected to the supporting rod, and the spring drives the knocking head to abut against the test mold.
Through adopting above-mentioned technical scheme, when tooth and the spur rack meshing on the incomplete gear, branch resisted the elasticity of spring and drives to beat the head and move towards keeping away from the examination mould direction, when tooth on the incomplete gear did not mesh with the spur rack, branch and beat the head and receive the elasticity orientation of spring and be close to the examination mould direction and move to make and beat the head and beat the examination mould.
Preferably, the number of the knocking hammers is at least two, the knocking hammers are arranged along the height direction of the test mould, and a connecting piece is arranged between every two adjacent knocking hammers.
Through adopting above-mentioned technical scheme, two at least strike the hammer so that strike the different positions of examination mould simultaneously to in the more quick messenger's test piece demolding improves the demolding efficiency of test piece. The connecting piece is arranged so as to simultaneously drive the knocking hammer to knock the test die, and the device is simple and practical.
Preferably, the connecting piece is a connecting rod, and two ends of the connecting rod are respectively connected to the supporting rods.
Through adopting above-mentioned technical scheme, the setting of connecting rod is so that drive the hammering hammer on the same support frame and remove together, saves the cost.
Preferably, a rotating shaft is rotatably arranged on the test bed, the incomplete gear is sleeved on the rotating shaft, a first bevel gear is sleeved on the rotating shaft, transmission shafts are arranged along the length direction of the test mold arrangement, a second bevel gear meshed with the first bevel gear is sleeved on the transmission shafts, and a driving shaft of the motor is fixed with the transmission shafts.
Through adopting above-mentioned technical scheme, starter motor, motor drive transmission shaft rotate, rotate in order to drive the pivot that corresponds through second bevel gear and first bevel gear meshing to order about the pivot of same side and rotate simultaneously, so that strike the examination mould with the hammer of knocking of same side, thereby improve the efficiency that the test piece moves back the mould. Through the cooperation of transmission shaft, first bevel gear and second bevel gear to realize that the homonymy strikes the head and strikes the examination mould together, reduce the quantity of motor, save the cost of enterprises.
Preferably, the knocking head is a metal head.
Through adopting above-mentioned technical scheme, will strike the head and set up to the metal head, can improve the effect of strikeing to the examination mould, further improve the back mould efficiency of test piece.
Preferably, the test die holder is connected with the test die through a plurality of fixing bolts.
Through adopting above-mentioned technical scheme, through fixing bolt in order to realize trying the die holder and trying being connected between the mould, simple and practical.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the test piece needs to be demoulded, the knocking hammer is adjusted to knock the test die through the adjusting assembly, the test die does not need to be knocked repeatedly by a worker, labor is saved, and the labor intensity of the worker is reduced.
2. Through the cooperation of transmission shaft, pivot, first bevel gear and second bevel gear to realize that the homonymy strikes the head and strikes the examination mould together, reduce the quantity of motor when improving the efficiency that the test piece moves back the mould, save the cost of enterprises.
3. The knocking head is set as a metal head, so that the knocking effect on the test die can be improved, and the die stripping efficiency of the test piece is further improved.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a partial structure diagram of an embodiment of the present application, which is mainly used for showing a structural schematic diagram between one of the test molds and the test bed.
Description of reference numerals: 1. a test bed; 2. a die testing base; 3. testing a mold; 4. knocking hammers; 41. a strut; 42. a knocking head; 5. straight rack; 6. a motor; 7. an incomplete gear; 8. a spring; 9. a support frame; 10. a connecting rod; 11. a rotating shaft; 12. a first bevel gear; 13. a drive shaft; 14. a second bevel gear; 15. fixing the bolt; 16. a fixing frame.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses a concrete performance test device, which is combined with a graph 1 and a graph 2 and comprises a test bed 1, wherein a plurality of test die 3 seats 2 are arranged on the test bed 1, each test die 3 seat 2 is correspondingly provided with a test die 3, the test die 3 seats 2 are connected with the test dies 3 through a plurality of fixing bolts 15, a knocking hammer 4 is arranged on the test bed 1 in a sliding manner, the knocking hammer 4 moves along the direction close to or far away from the test dies 3, the knocking hammer 4 comprises a supporting rod 41 arranged on the test bed 1 in a sliding manner and a knocking head 42 arranged on the supporting rod 41, and the knocking head 42 is a metal head so as to improve the knocking effect on the test dies 3; the test bed 1 is provided with a support frame 9, and the support rod 41 is arranged on the support frame 9 in a sliding mode along the horizontal direction.
With reference to fig. 1 and 2, an adjusting assembly for adjusting the knocking hammer 4 to knock the test mold 3 is arranged on the test bed 1, the adjusting assembly comprises a spur rack 5 arranged on a supporting rod 41, a motor 6 is arranged on the test bed 1, an incomplete gear 7 meshed with the spur rack 5 is arranged on a driving shaft of the motor 6, and an elastic part for driving the knocking head 42 to abut against the test mold 3 is arranged on the supporting rod 41; the elastic component is a spring 8 sleeved on the supporting rod 41, one end of the spring 8 is connected to the supporting frame 9, the other end of the spring 8 is connected to the supporting rod 41, and the spring 8 drives the knocking head 42 to abut against the test mould 3.
When the teeth on the incomplete gear 7 are meshed with the straight rack 5, the supporting rod 41 resists the elastic force of the spring 8 to drive the knocking head 42 to move towards the direction far away from the test die 3, and when the teeth on the incomplete gear 7 are not meshed with the straight rack 5, the supporting rod 41 is released, and at the moment, the supporting rod 41 and the knocking head 42 move towards the direction close to the test die 3 under the elastic force of the spring 8, so that the knocking head 42 knocks the test die 3.
With reference to fig. 1 and 2, in order to improve the stripping efficiency of the test piece, at least two knocking hammers 4 are provided, the knocking hammers 4 are arranged along the height direction of the test piece 3, a connecting piece is arranged between the adjacent knocking hammers 4, the connecting piece is a connecting rod 10, and two ends of the connecting rod 10 are respectively connected to the adjacent supporting rods 41. When the knocking hammer 4 close to the test bed 1 moves, the knocking hammer 4 above is driven by the connecting rod 10 to move together, so that different positions of the test mold 3 can be knocked simultaneously, and a test piece can be more quickly demoulded.
Referring to fig. 1 and 2, a fixing frame 16 is arranged on the test bed 1, a rotating shaft 11 is rotatably arranged on the fixing frame 16, the incomplete gear 7 is sleeved on the rotating shaft 11, a first bevel gear 12 is sleeved on the rotating shaft 11, transmission shafts 13 are arranged along the length direction of the arrangement of the test molds 3, a second bevel gear 14 meshed with the first bevel gear 12 is sleeved on the transmission shafts 13, and a driving shaft of the motor 6 is fixed to the transmission shafts 13. The motor 6 is started, the motor 6 drives the transmission shaft 13 to rotate, the corresponding rotating shaft 11 is driven to rotate through the meshing of the second bevel gear 14 and the first bevel gear 12, the rotating shaft 11 on the same side is driven to rotate simultaneously, the knocking hammer 4 on the same side is made to knock the test mold 3, and therefore the efficiency of mold stripping of a test piece is improved. Through the cooperation of the transmission shaft 13, the rotating shaft 11, the first bevel gear 12 and the second bevel gear 14, the knocking heads 42 on the same side knock the test mold 3 together, so that the use amount of the motor 6 is reduced, and the enterprise cost is saved.
The implementation principle of the embodiment of the application is as follows:
when a test piece needs to be demoulded, the motor 6 is started, the motor 6 drives the transmission shaft 13 to rotate, the corresponding rotating shaft 11 is driven to rotate by meshing the second bevel gear 14 and the first bevel gear 12, the rotating shaft 11 drives the corresponding incomplete gear 7 to rotate, when teeth on the incomplete gear 7 are meshed with the straight rack 5, the support rod 41 resists the elastic force of the spring 8 to drive the knocking head 42 to move towards the direction far away from the test die 3, when the teeth on the incomplete gear 7 are not meshed with the straight rack 5, the support rod 41 is released, at the moment, the support rod 41 and the knocking head 42 move towards the direction close to the test die 3 under the elastic force of the spring 8, so that the knocking head 42 knocks the test die 3, the test piece is fast demouldered, workers do not need to knock the test die repeatedly, and.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a concrete performance test device, includes test bench (1), be provided with a plurality of examination mould (3) seats (2) on test bench (1), correspond on every examination mould (3) seat (2) and be provided with examination mould (3), its characterized in that: the test bed is characterized in that a knocking hammer (4) is arranged on the test bed (1) in a sliding mode, the knocking hammer (4) moves in the direction close to or far away from the test mould (3), and an adjusting assembly used for adjusting the knocking hammer (4) to knock the test mould (3) is arranged on the test bed (1).
2. The concrete performance testing device of claim 1, wherein: strike hammer (4) including sliding setting branch (41) on test bench (1) and strike head (42) of setting on branch (41), adjusting part is including setting up spur rack (5) on branch (41), be provided with motor (6) on test bench (1), be provided with incomplete gear (7) with spur rack (5) meshing in the drive shaft of motor (6), be provided with the elastic component that is used for driving to strike head (42) and examination mould (3) butt on branch (41).
3. The concrete performance testing device of claim 2, wherein: the elastic piece is spring (8) of cover on branch (41), be provided with support frame (9) on test bench (1), branch (41) slide to set up on support frame (9), the one end of spring (8) is connected on support frame (9), and the other end is connected on branch (41), spring (8) order about to strike head (42) and examination mould (3) butt.
4. A concrete performance testing apparatus according to claim 3, wherein: the number of the knocking hammers (4) is at least two, the knocking hammers (4) are arranged along the height direction of the test mold (3), and a connecting piece is arranged between every two adjacent knocking hammers (4).
5. The concrete performance testing device of claim 4, wherein: the connecting piece is connecting rod (10), the both ends of connecting rod (10) are connected respectively on branch (41).
6. The concrete performance testing device of claim 5, wherein: the test bench (1) is provided with a rotating shaft (11) in a rotating mode, the incomplete gear (7) is sleeved on the rotating shaft (11), a first bevel gear (12) is sleeved on the rotating shaft (11), a transmission shaft (13) is arranged along the length direction of the arrangement of the test molds (3), a second bevel gear (14) meshed with the first bevel gear (12) is sleeved on the transmission shaft (13), and a driving shaft of the motor (6) is fixed with the transmission shaft (13).
7. The concrete performance testing device of claim 2, wherein: the knocking head (42) is a metal head.
8. The concrete performance testing device of claim 1, wherein: the test mold (3) seat (2) is connected with the test mold (3) through a plurality of fixing bolts (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021755111.0U CN212964778U (en) | 2020-08-20 | 2020-08-20 | Concrete performance test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021755111.0U CN212964778U (en) | 2020-08-20 | 2020-08-20 | Concrete performance test device |
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| CN212964778U true CN212964778U (en) | 2021-04-13 |
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| CN202021755111.0U Active CN212964778U (en) | 2020-08-20 | 2020-08-20 | Concrete performance test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114982530A (en) * | 2022-07-06 | 2022-09-02 | 生态环境部南京环境科学研究所 | Multi-sample experimental culture device for researching crop enrichment soil cadmium |
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2020
- 2020-08-20 CN CN202021755111.0U patent/CN212964778U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114982530A (en) * | 2022-07-06 | 2022-09-02 | 生态环境部南京环境科学研究所 | Multi-sample experimental culture device for researching crop enrichment soil cadmium |
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