Impact resistance testing device for concrete sample

Abstract

The utility model discloses an impact resistance testing device for a concrete sample. Comprising a workbench for placing a concrete sample, a fixing frame fixed on the workbench, two guide columns which are positioned in the fixing frame and are fixed with the workbench, and a lifting platform which is connected to the two guide columns in a lifting and sleeving manner, the two guide columns are arranged on the fixing frame, the connecting table is connected to the two guide columns in a sleeved mode in a lifting mode and used for being connected with the lifting table, and the lifting motor is fixed to the fixing frame and drives the lifting table to ascend and descend on the two guide columns through a pulley rope set. According to the utility model, a plurality of steel balls can be released in a short time through the steel ball releasing mechanism, so that the same point of the concrete sample can be continuously impacted, and the effects that one machine has multiple purposes and one machine can realize various impact tests are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete detection technical field more specifically is a kind of concrete sample impact test device. BACKGROUND

[0002] Chinese patent discloses a kind of concrete impact test device (application No.202123161073 3), it includes base, base top installation fixed frame, fixed frame top center is equipped with steel ball channel, fixed frame is placed test piece, steel ball channel is placed steel ball, steel ball is placed in test piece top, steel ball channel top two ends are connected vertical sliding frame, vertical sliding frame is equipped with drop hammer between, drop hammer two ends are connected extension rod, extension rod top is connected with link frame, link frame is connected with hollow tube, extension rod, hollow tube are all slidingly connected in vertical sliding frame.The technical scheme disclosed in the above-mentioned Chinese patent has the following problems in specific use, cannot continuously impact steel ball in short time, i.e. after impact, its sliding block needs to drop link frame to be lifted, to impact here, time is long. UTILITY MODEL CONTENT

[0003] The main purpose of the utility model is to solve the above-mentioned problems, provide a kind of concrete sample impact test device.

[0004] The utility model has the beneficial effects that:

[0005] A kind of concrete sample impact test device, including the workbench for placing concrete sample, fixed frame fixed on the workbench, two in the fixed frame and with the workbench fixed guide column, liftable sleeve connection on the two guide columns lifting platform, liftable sleeve connection on the two guide columns for with the link platform of lifting platform link platform and fixed in the fixed frame lifting motor that the lifting platform is driven on the two guide columns by pulley rope group, the pulley rope group includes a first pulley fixed in the link platform, second pulley fixed in the top of the fixed frame, rope hook fixed in the top of the fixed frame, third pulley located in the side of the fixed frame and rope, the motor shaft of the lifting motor is fixed with fourth pulley.

[0006] The workbench is provided with a hollow part, and the two sides of the hollow part are provided with supporting plates.

[0007] The side of the link platform towards the lifting platform is provided with at least one electromagnet, and the lifting platform is provided with a magnetite block corresponding to the electromagnet.

[0008] The lifting platform is provided with at least one steel ball release mechanism. The steel ball release mechanism includes a steel ball cylinder for holding multiple steel balls, a first release component for supporting and releasing the steel balls outside the steel ball cylinder, and a second release component for supporting and releasing the steel balls onto the first release component.

[0009] The first release assembly and the second release assembly have the same structure, both including a telescopic plate inserted through the side of the steel ball cylinder, a threaded rod fixed to the telescopic plate, a threaded tube screwed to the threaded rod, and a release motor fixed on the lifting platform and driven by the threaded tube.

[0010] The magnetic block is screwed to the top of the steel ball cylinder.

[0011] The lifting platform is equipped with at least one steel ball cylinder, and a gravity hammer is screwed into the steel ball cylinder.

[0012] The beneficial effects of this utility model are as follows:

[0013] The connecting platform of this utility model can connect and release the lifting platform, so that the lifting platform can impact the concrete sample after the gravity hammer is installed. The steel ball release mechanism of this utility model can release multiple steel balls in a short time to continuously impact the same point of the concrete sample, thus achieving the effect of one machine for multiple purposes and one machine to perform multiple impact tests. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present invention.

[0015] Figure 2 This is the front view of the present invention.

[0016] Figure 3 for Figure 2 The right view.

[0017] Figure 4 This is a schematic diagram of the steel ball release mechanism of this utility model.

[0018] Figure 5 A schematic diagram of a structure for adding a gravity hammer to a steel ball cylinder. Detailed Implementation

[0019] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0020] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0022] Please refer to Figures 1 to 4 This utility model provides a concrete sample impact resistance testing device, comprising a workbench 10 for placing the concrete sample, a fixing frame 20 fixed on the workbench 10, two guide columns 30 located inside the fixing frame 20 and fixed to the workbench 10, a lifting platform 40 that can be lifted and sleeved on the two guide columns 30, a connecting platform 50 that can be lifted and sleeved on the two guide columns 30 for connecting with the lifting platform 40, and a lifting motor 70 fixed on the fixing frame 20, which drives the lifting platform 40 to rise and fall on the two guide columns 30 via a pulley and rope assembly 60. The pulley and rope assembly 60 includes a component fixed to the connecting platform 50. The first pulley 61 on the 0, the second pulley 62 fixed to the top of the fixed frame 20, the rope hook 63 fixed to the top of the fixed frame 20, the third pulley 64 located on the side of the fixed frame 20, and the rope (not shown in the figure) are all attached to the motor shaft of the lifting motor 70. The fourth pulley 65 is fixed to the motor shaft of the lifting motor 70. One end of the rope is wrapped around the fourth pulley, and the other end passes around the third pulley, the second pulley, and the first pulley respectively and is fixed to the rope hook 63. When the lifting motor is working, it drives the connecting platform 50 to rise and fall on the two guide columns 30 through the rope. The connecting platform 50 connects to the lifting platform 40, thereby achieving the effect of driving the lifting platform 40 to rise and fall.

[0023] In this embodiment, at least one electromagnet 51 is provided on the side of the connecting platform 50 facing the lifting platform 30, and a magnetic block 41 is provided on the lifting platform 40 corresponding to the electromagnet 51, so that the electromagnet 51 can attract and connect the connecting platform 50 and the lifting platform 40 together.

[0024] In this embodiment, the lifting platform 40 is provided with at least one steel ball release mechanism 80. The steel ball release mechanism 80 includes a steel ball cylinder 81 for holding a plurality of steel balls A, a first release component 82 for supporting and releasing the steel balls outside the steel ball cylinder 81, and a second release component 83 for supporting and releasing the steel balls onto the first release component 82. The first release component 82 and the second release component 83 are arranged vertically on the outside of the steel ball cylinder 81.

[0025] like Figure 4 As shown, the first release assembly 82 and the second release assembly 83 have the same structure. Both include a telescopic plate 821 inserted through the side of the steel ball cylinder 81, a threaded rod 822 fixed to the telescopic plate 821, a threaded tube 823 screwed to the threaded rod 822, and a release motor 824 fixed on the lifting platform 40 and drivenly connected to the threaded tube 823. The rotation of the release motor 824 drives the threaded tube 823 to rotate, which in turn drives the threaded rod 822 to move within the threaded tube 823. This allows the telescopic plate 821 to move within the steel ball cylinder 81, thereby releasing the steel balls inside the steel ball cylinder 81. This enables the release of multiple steel balls in a short time to impact the same point on the concrete sample.

[0026] In this embodiment, the magnetic block 41 is screwed to the top of the steel ball cylinder 81. When it is necessary to put in a steel ball, the magnetic block 41 can be removed from the steel ball cylinder 81 and then the steel ball can be put in.

[0027] In some embodiments, such as Figure 5 As shown, the lifting platform 40 is provided with at least one steel ball cylinder 81, and a gravity hammer B is screwed into the steel ball cylinder 81. When the connecting platform lifts the lifting platform to a certain height, the falling of the lifting platform drives the gravity hammer B to impact the concrete sample.

[0028] In this embodiment, the workbench 10 is provided with a hollow part 11, and support plates 12 are provided on both sides of the hollow part 11. The concrete sample is placed on the support plate 12 to withstand the impact of the steel ball or gravity hammer B mentioned above.

[0029] The present invention aims to achieve the following: the connecting platform of the present invention can connect and release the lifting platform, so that the lifting platform can impact the concrete sample after the gravity hammer is installed. Furthermore, the steel ball release mechanism of the present invention can release multiple steel balls in a short time to continuously impact the same point of the concrete sample, thus achieving the effect of one machine for multiple purposes and one machine to perform multiple impact tests.

[0030] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A device for testing the impact resistance of concrete samples, characterized in that, The device includes a workbench for placing concrete samples, a fixed frame fixed to the workbench, two guide columns located inside the fixed frame and fixed to the workbench, a lifting platform that can be raised and lowered and sleeved on the two guide columns, a connecting platform that can be raised and lowered and sleeved on the two guide columns for connecting with the lifting platform, and a lifting motor fixed to the fixed frame, which drives the lifting platform to rise and fall on the two guide columns via a pulley and rope assembly. The pulley and rope assembly includes a first pulley fixed to the connecting platform, a second pulley fixed to the top of the fixed frame, a rope hook fixed to the top of the fixed frame, a third pulley located on the side of the fixed frame, and a rope. The motor shaft of the lifting motor is fixed with a fourth pulley.

2. The impact resistance testing device for concrete samples as described in claim 1, characterized in that, The workbench is provided with a hollow section, and support plates are provided on both sides of the hollow section.

3. The impact resistance testing device for concrete samples as described in claim 2, characterized in that, At least one electromagnet is provided on the side of the connecting platform facing the lifting platform, and a magnetic block is provided on the lifting platform corresponding to the electromagnet.

4. The impact resistance testing device for concrete samples as described in claim 3, characterized in that, The lifting platform is provided with at least one steel ball release mechanism. The steel ball release mechanism includes a steel ball cylinder for holding multiple steel balls, a first release component for supporting and releasing the steel balls outside the steel ball cylinder, and a second release component for supporting and releasing the steel balls onto the first release component.

5. The impact resistance testing device for concrete samples as described in claim 4, characterized in that, The first release assembly and the second release assembly have the same structure, both including a telescopic plate inserted through the side of the steel ball cylinder, a threaded rod fixed to the telescopic plate, a threaded tube screwed to the threaded rod, and a release motor fixed on the lifting platform and driven by the threaded tube.

6. The impact resistance testing device for concrete samples as described in claim 5, characterized in that, The magnetic block is screwed to the top of the steel ball cylinder.

7. The impact resistance testing device for concrete samples as described in claim 3, characterized in that, The lifting platform is equipped with at least one steel ball cylinder, and a gravity hammer is screwed into the steel ball cylinder.

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