Standard asphalt test needle
The detachable design of the asphalt test needle solves the problems of easy damage and insufficient protection of existing test needles, enabling quick needle replacement and protection, and extending service life.
Patent Information
- Application Number
- CN202520032300.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing asphalt test needles are easily damaged during frequent use, leading to complete scrapping. Furthermore, the housing cannot effectively protect the needle tip, making it susceptible to damage in the event of an accidental drop.
A detachable asphalt test needle was designed, with the needle tip and needle shaft separable. It is equipped with a sliding cavity and a fixed outer hole, allowing the needle tip to be replaced and stored separately. It is fixed to the fixed outer hole at different heights by a fixing component, which can be used to test asphalt of different thicknesses.
It enables quick needle replacement and protection, extends the service life of the test needle, and avoids overall scrapping and accidental damage.
Smart Images

Figure CN223796401U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bitumen detection technical field, concretely is a standard bitumen test needle. BACKGROUND
[0002] The standard bitumen test needle is a special tool for testing the quality of various viscous liquids, especially the consistency and fluidity of bitumen. The working principle of the standard bitumen test needle is based on the viscosity and fluidity of bitumen. When the test needle is inserted into the bitumen under certain temperature and load, the sinking depth reflects the consistency of the bitumen. The deeper the sinking depth, the softer the bitumen, and the lower the consistency; on the contrary, the shallower the sinking depth, the harder the bitumen, and the higher the consistency.
[0003] The existing bitumen test needle is usually packaged in a box, and when used, it is taken out and placed on the test instrument for use. Since the test needle needs to be used frequently, the needle head is damaged due to various factors in the experiment, which causes the test needle as a whole including the needle shaft to be unusable, and the test needle is scrapped. Moreover, the box for placing the test needle when not in use cannot protect the integrated test needle from damage to the needle head, which may cause accidents such as contact between the needle head and the box when falling. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides a standard bitumen test needle, which solves the problem that the existing bitumen test needle is usually packaged in a box and used when taken out and placed on the test instrument. Since the test needle needs to be used frequently, the needle head is damaged due to various factors in the experiment, which causes the test needle as a whole including the needle shaft to be unusable, and the test needle is scrapped. Moreover, the box for placing the test needle when not in use cannot protect the integrated test needle from damage to the needle head, which may cause accidents such as contact between the needle head and the box when falling.
[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a standard bitumen test needle, comprising a bitumen test needle main body, the bitumen test needle main body comprises a test long needle head, a needle shaft, the needle shaft is provided with a sliding circular cavity, the sliding circular cavity is opened in the needle shaft, the test long needle head is fixedly connected in the sliding circular cavity, a fixed outer hole is provided with two groups, the fixed outer hole is used for adjusting the test long needle head.
[0006] Preferably, a fixed inner hole is opened in the test long needle head, the fixed inner hole is used for cooperation and fixation with the fixed outer hole, a measuring needle tip is fixedly connected to one end of the test long needle head away from the needle shaft, and the measuring needle tip is used for contacting the bitumen.
[0007] Preferably, one end of the needle rod is provided with a fixed port, the fixed port is fixed to the test long needle, and the other end of the needle rod is fixedly connected with a fixed needle handle, and the fixed needle handle is used for clamping on a clamping instrument for testing.
[0008] Preferably, the asphalt test needle body further comprises a fixing assembly, the fixing assembly comprises a fixing stub and a latch, the fixing stub is movably inserted into the fixed outer hole and the fixed inner hole, and the fixing stub is used for fixedly connecting the test long needle to the sliding cavity.
[0009] Preferably, one end of the fixing stub is provided with a clamping port, the latch is movably inserted into the latch, and the fixing stub is provided with two groups, the other end of the two groups of fixing stubs is fixedly connected with a connecting plate, the inner end of the connecting plate is arc-shaped, and the inner end of the connecting plate is close to the needle rod.
[0010] Preferably, the upper end of the latch is fixedly connected with a latch end, and the inner end of the latch is arc-shaped.
[0011] The utility model discloses a standard asphalt test needle, which has the following beneficial effects: the standard asphalt test needle separates the needle head and the needle rod, so that the needle head can be disassembled and stored, and the needle head can be effectively stored separately during storage. In addition, the fixed outer hole with two heights is arranged to fix the needle head on the needle rod at different positions, so that the needle rod can be used in different situations, and the needle head can be quickly replaced after damage. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0013] Figure 1 It is the whole front structure schematic diagram of the utility model;
[0014] Figure 2 It is the whole explosion structure schematic diagram of the utility model;
[0015] Figure 3 It is the whole structure schematic diagram of the test long needle head of the utility model;
[0016] Figure 4 It is the whole structure schematic diagram of the needle rod of the utility model;
[0017] Figure 5 It is the whole structure schematic view of the fixed assembly of the utility model.
[0018] In the figure: 1, asphalt test needle body; 11, test long needle head; 111, fixed inner hole; 112, measuring needle tip; 12, needle rod; 121, fixed needle handle; 122, fixed outer hole; 123, fixed port; 124, sliding round cavity; 13, fixed assembly; 131, fixed short column; 1311, clamping interface; 1312, connecting plate; 132, bolt; 1321, bolt end. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0020] The standard asphalt test needle provided in the embodiments of the application solves the problem that the existing asphalt test needle is in a box type mode in daily situation, and is taken out and placed on a test instrument for use when used. Since the test needle needs to use the needle head frequently, the needle head is damaged due to various factors in the experiment, and then the test needle including the needle rod cannot be used as a whole, and the test needle is scrapped; and the box body for placing the test needle cannot protect the needle head of the integrated test needle when not used, so that the needle head may be damaged when falling.
[0021] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings of the specification and specific embodiments.
[0022] The utility model discloses a standard asphalt test needle.
[0023] Embodiment one,
[0024] According to the drawings, Figures 1-4 As shown,
[0025] The asphalt test needle body 1 comprises a test long needle head 11, a needle rod 12, a sliding circular cavity 124 arranged in the needle rod 12, a test long needle head 11 fixedly connected in the sliding circular cavity 124, a fixed outer hole 122, and two groups of fixed outer holes 122.
[0026] A fixed inner hole 111 is arranged in the test long needle head 11, and the fixed inner hole 111 is used for cooperation and fixation with the fixed outer hole 122. A measuring needle tip 112 is fixedly connected to one end of the test long needle head 11 away from the needle rod 12, and the measuring needle tip 112 is used for contacting asphalt.
[0027] One end of the needle rod 12 is provided with a fixed port 123, the fixed port 123 is fixed in the test long needle head 11, and the other end of the needle rod 12 is fixedly connected with a fixed needle handle 121, and the fixed needle handle 121 is used for clamping on a clamping instrument for testing.
[0028] Embodiment two,
[0029] According to the accompanying Figure 5 On the basis of the above-mentioned embodiment one,
[0030] The asphalt test needle body 1 comprises a test long needle head 11, a needle rod 12, a sliding circular cavity 124 arranged in the needle rod 12, a test long needle head 11 fixedly connected in the sliding circular cavity 124, a fixed outer hole 122, and two groups of fixed outer holes 122.
[0031] The fixed short column 131 is provided with a clamping port 1311 at one end, the latch 132 is movably inserted into the latch 132, the fixed short column 131 is provided with two groups, the other end of the two groups of fixed short columns 131 is fixedly connected with a connecting plate 1312, the inner end of the connecting plate 1312 is arc-shaped, and the inner end of the connecting plate 1312 is close to the needle rod 12.
[0032] The upper end of the latch 132 is fixedly connected with a latch end 1321, the inner end of the latch 132 is arc-shaped, and the latch 132 is closely inserted into the clamping port 1311.
[0033] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A standard asphalt test needle comprising an asphalt test needle body (1), characterized in that, The asphalt test needle body (1) comprises: A test long needle (11); A needle rod (12) is provided with; A sliding circular cavity (124) is opened in the needle rod (12), and the test long needle (11) is fixedly connected in the sliding circular cavity (124); Two groups of fixed outer holes (122) are provided, and the fixed outer holes (122) are used to adjust the test long needle (11).
2. A standard asphalt test needle according to claim 1, characterized in that: The test long needle (11) is provided with a fixed inner hole (111), which is used to cooperate and fix with the fixed outer hole (122), and the end of the test long needle (11) away from the needle rod (12) is fixedly connected with a measuring needle tip (112), which is used to contact the asphalt.
3. A standard asphalt test needle according to claim 1, characterized in that: One end of the needle rod (12) is provided with a fixed port (123), which is fixed in the plug-in test long needle (11), and the other end of the needle rod (12) is fixedly connected with a fixed needle handle (121), which is used to clamp on the clamping instrument for testing.
4. A standard asphalt test needle according to claim 2, wherein: The asphalt test needle body (1) further comprises: A fixing assembly (13) comprises: A fixed short column (131) is movably inserted into the fixed outer hole (122) and the fixed inner hole (111), and is used to fixedly connect the test long needle (11) to the sliding circular cavity (124); A latch (132) is movably inserted into the fixed short column (131), and is fixed in the fixed short column (131).
5. A standard asphalt test needle according to claim 4, wherein: One end of the fixed short column (131) is provided with a clamping port (1311), the latch (132) is movably inserted into the latch (132), and the fixed short column (131) is provided with two groups, the other end of the two groups of fixed short columns (131) is fixedly connected with a connecting plate (1312), the inner end of the connecting plate (1312) is arc-shaped, and the inner end of the connecting plate (1312) is closely attached to the needle rod (12).
6. A standard asphalt test needle according to claim 5, wherein: The upper end of the latch (132) is fixedly connected with a latch end (1321), the inner end of the latch (132) is arc-shaped, and the latch (132) is closely inserted into the clamping port (1311).