Auxiliary marking device for steel structure drilling

Abstract

The utility model discloses a steel structure drilling auxiliary marking device which comprises a marking needle rod, a clamping sleeve and a spring, the clamping sleeve is sleeved on the marking needle rod in a sliding mode, the spring is sleeved on the marking needle rod and located in the clamping sleeve, one end of the spring is fixedly connected with an annular ring on the marking needle rod, and the other end of the spring is fixedly connected with the end portion of a spring groove in the clamping sleeve. One end of the marking needle rod is a tip part, and the other end of the marking needle rod is a knocking part; the marking needle rod and the clamping sleeve are arranged, the annular pinching groove is formed in the clamping sleeve, and the knocking part is arranged at the top of the marking needle rod, so that fingers can conveniently pinch the clamping sleeve to knock the knocking part of the marking needle rod through a hammer, and drilling knocking marking of a steel structure is achieved; meanwhile, by arranging the spring and depending on the mode that the marking needle rod is connected with the clamping sleeve in a sliding mode, the knocking part can be manually pulled upwards so that the tip of the marking needle rod can collide with the surface of the steel structure under the acting force of the spring to conduct drilling marking, and the drilling auxiliary marking efficiency and marking precision are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling marking, in particular to a steel structure drilling auxiliary marking device. Background Art

[0002] During the construction process of steel structure, drilling is required due to design requirements. Due to the large number of holes, they generally need to be marked in advance. The traditional marking method is to mark with a pen. However, since colored pen marking is generally based on marking, this means that when high precision is required, the colored pen marking has a problem in determining the center of the circle due to the thicker pen tip. Therefore, the present application proposes a more accurate steel structure drilling auxiliary marking device. Utility Model Content

[0003] The utility model aims to solve the problem of low drilling accuracy of colored pen marking by providing a steel structure drilling auxiliary marking device in view of the shortcomings of the above-mentioned technology.

[0004] The utility model provides a steel structure drilling auxiliary marking device, including a marking needle rod, a jacket and a spring, wherein the jacket is slidably sleeved on the marking needle rod, the spring is sleeved on the marking needle rod and located in the jacket, one end of the spring is fixedly connected to the annular ring on the marking needle rod, and the other end of the spring is fixedly connected to the end of the spring groove in the jacket; one end of the marking needle rod is a tip, and the other end of the marking needle rod is a knocking part. A retractable ruler is also included, and one end of the ruler is connected to a limit sleeve for connecting with the end of the jacket.

[0005] Preferably, the end of the jacket is provided with an external thread, one end of the limiting sleeve is provided with an internal thread, and the limiting sleeve is threadedly connected with the jacket through the internal thread. The jacket is provided with an annular pinching groove. One end of the limiting sleeve is provided with an observation through hole.

[0006] Preferably, the measuring ruler comprises a main ruler, a secondary ruler and a telescopic ruler, the secondary ruler is connected to the limiting sleeve, one end of the telescopic ruler is fixedly connected to the main ruler, and one end of the secondary ruler is sleeved on the other end of the telescopic ruler, so that the telescopic ruler slides inside the secondary ruler. Graduation lines are arranged on the main ruler, the secondary ruler, the telescopic ruler and the limiting sleeve.

[0007] Preferably, a locking screw is rotatably provided on the secondary ruler, and a plurality of thread grooves are evenly distributed on the telescopic ruler. The locking screw is connected with the thread groove by rotation to lock the telescopic ruler on the secondary ruler.

[0008] Compared with the prior art, it has the following beneficial effects:

[0009] By setting a marking needle rod and a sleeve, and setting an annular pinching groove on the sleeve and a striking part on the top of the marking needle rod, it is convenient to pinch the sleeve with fingers and use a hammer to strike the striking part of the marking needle rod to realize drilling marking on the steel structure; at the same time, by setting a spring and relying on the sliding connection between the marking needle rod and the sleeve, the striking part can be manually pulled upward to make the tip of the marking needle rod collide with the surface of the steel structure under the action of the spring to perform drilling marking, effectively improving the drilling auxiliary marking efficiency and marking accuracy; in addition, by setting a retractable ruler and relying on a limit sleeve to connect with the sleeve, the drilling distance can be measured. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only preferred embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0011] Figure 1 This is a schematic diagram of a steel structure drilling auxiliary marking device of the utility model;

[0012] Figure 2 For this utility model Figure 1 A local enlarged schematic diagram;

[0013] Figure 3 This is a schematic diagram of a steel structure drilling auxiliary marking device of the utility model;

[0014] Figure 4 For this utility model Figure 3 B is a partial enlarged schematic diagram;

[0015] Figure 5 For this utility model Figure 3 A partial enlarged schematic diagram of C.

[0016] In the figure, 1-marking needle rod; 11-annular ring; 12-tip; 13-knocking part; 2-jacket; 21-annular pinch groove; 22-external thread; 3-spring; 4-ruler; 41-main ruler; 42-secondary ruler; 43-telescopic ruler; 44-scale line; 45-locking screw; 46-thread groove; 5-limit sleeve; 51-internal thread. DETAILED DESCRIPTION

[0017] In order to make it easier to understand the structure of the present invention and the functional features and advantages that can be achieved, the preferred embodiments of the present invention are described in detail with reference to the drawings as follows:

[0018] Example:

[0019] like Figure 1 and Figure 2 As shown, the utility model provides a steel structure drilling auxiliary marking device, including a marking needle rod 1, a sleeve 2 and a spring 3, wherein the sleeve 2 is slidably sleeved on the marking needle rod 1, the spring 3 is sleeved on the marking needle rod 1 and is located in the sleeve 2, one end of the spring 3 is fixedly connected to the annular ring 11 on the marking needle rod 1, and the other end of the spring 3 is fixedly connected to the end of the spring 3 groove in the sleeve 2.

[0020] See also Figure 1 One end of the marking needle rod 1 is a tip 12, which is used to impact the surface of the steel structure. Furthermore, the tip 12 is made of a stronger steel material to reduce wear. The other end of the marking needle rod 1 is a striking part 13, which is used for striking with a hammer or manually pulling.

[0021] As another embodiment of the present application, Figure 1 and Figure 2 As shown, the present application also includes a retractable ruler 4, one end of which is connected to a limiting sleeve 5 for connecting to the end of the jacket 2, so that the limiting sleeve 5 can limit the lower end of the tip 12, so that the limiting sleeve 5 can abut on the surface of the steel structure, so that the tip 12 on the marking needle rod 1 can vertically collide with the surface of the steel structure. The lower end surface of the ruler 4 and the lower end surface of the limiting sleeve 5 are located in the same horizontal plane.

[0022] See also Figure 4 The end of the jacket 2 is provided with an external thread 22, and one end of the limiting sleeve 5 is provided with an internal thread 51, and the limiting sleeve 5 is threadedly connected to the jacket 2 through the internal thread 51. Further, the limiting sleeve 5 and the jacket 2 can be quickly connected and quickly disassembled by sleeve connection. Further, one end of the ruler 4 is hinged to the limiting sleeve 5, so that the ruler 4 can be folded to be parallel to the marking needle rod 1 for storage.

[0023] See also Figure 1 and Figure 3 The jacket 2 is provided with an annular pinching groove 21 to facilitate pinching the jacket 2 with fingers.

[0024] See also Figure 3 One end of the limiting sleeve 5 is provided with an observation through hole to facilitate observation of the position of the tip 12. Further, the limiting sleeve 5 is made of a transparent material.

[0025] As another embodiment of the present application, Figure 1 As shown, the measuring ruler 4 of the present application includes a main ruler 41, a sub-rule 42 and a telescopic ruler 43. The sub-rule 42 is connected to the limiting sleeve 5. One end of the telescopic ruler 43 is fixedly connected to the main ruler 41, and one end of the sub-rule 42 is sleeved on the other end of the telescopic ruler 43 so that the telescopic ruler 43 slides inside the sub-rule 42.

[0026] See also Figure 2 , scale lines 44 are provided on the main ruler 41, the auxiliary ruler 42, the telescopic ruler 43 and the limit sleeve 5, so as to measure the drilling distance through the scale lines 44; the limit sleeve 5 is provided with scale lines 44, and the end of the scale lines 44 is located at the center of the limit sleeve 5, so that the tip 12 is opposite to the end of the scale lines 44, so as to improve the marking accuracy.

[0027] As another embodiment of the present application, Figure 5 As shown, a locking screw 45 is rotatably provided on the secondary ruler 42 of the present application, and a plurality of threaded grooves 46 are evenly distributed on the telescopic ruler 43. The locking screw 45 is connected to the threaded groove 46 by rotation to lock the telescopic ruler 43 on the secondary ruler 42, thereby adjusting the length of the ruler 4 to fix the drilling length, thereby improving the efficiency of multiple drilling marks.

[0028] The working principle of the present application is as follows: when in use, the ruler 4 hinged on the limit sleeve 5 is opened so that it can be attached to the surface of the steel structure for measurement; the locking screw 45 is rotated to adjust the length of the telescopic ruler 43 to determine the length of the ruler 4 to fix the spacing of the drill holes so as to facilitate rapid marking of multiple drill holes; when marking, the fingers pinch the annular pinching groove 21 to press the limit sleeve 5 against the surface of the steel structure, and then the hammer is used to knock the knocking part 13 or the knocking part 13 is manually pulled to squeeze the spring 3 upward, so that the tip 12 of the marking needle rod 1 hits the surface of the steel structure to achieve auxiliary marking of the drill holes.

[0029] The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the present invention by using the above technical content without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the present invention without departing from the content of the technical solution of the present invention belong to the protection scope of the present technical solution.

Claims

1. A steel structure drilling auxiliary marking device, characterized in that , comprising a marking needle rod (1), a sleeve (2) and a spring (3), wherein the sleeve (2) is slidably mounted on the marking needle rod (1), the spring (3) is mounted on the marking needle rod (1) and is located in the sleeve (2), one end of the spring (3) is fixedly connected to an annular ring (11) on the marking needle rod (1), and the other end of the spring (3) is fixedly connected to the end of a spring (3) groove in the sleeve (2); one end of the marking needle rod (1) is a pointed portion (12), and the other end of the marking needle rod (1) is a knocking portion (13).

2. The steel structure drilling auxiliary marking device according to claim 1 is characterized in that: It also comprises a retractable ruler (4), one end of which is connected to a limiting sleeve (5) for connecting to the end of the jacket (2).

3. The steel structure drilling auxiliary marking device according to claim 2 is characterized in that: An external thread (22) is provided at the end of the jacket (2), an internal thread (51) is provided at one end of the limiting sleeve (5), and the limiting sleeve (5) is threadably connected to the jacket (2) via the internal thread (51).

4. The steel structure drilling auxiliary marking device according to claim 1, characterized in that: The jacket (2) is provided with an annular pinching groove (21).

5. The steel structure drilling auxiliary marking device according to claim 2, characterized in that: The measuring ruler (4) comprises a main ruler (41), a secondary ruler (42) and a telescopic ruler (43); the secondary ruler (42) is connected to the limiting sleeve (5); one end of the telescopic ruler (43) is fixedly connected to the main ruler (41); one end of the secondary ruler (42) is sleeved on the other end of the telescopic ruler (43) so that the telescopic ruler (43) is slidably located in the secondary ruler (42).

6. The steel structure drilling auxiliary marking device according to claim 5, characterized in that: Graduation lines (44) are arranged on the main ruler (41), the auxiliary ruler (42), the telescopic ruler (43) and the limiting sleeve (5).

7. The steel structure drilling auxiliary marking device according to claim 2, characterized in that: One end of the limiting sleeve (5) is provided with an observation through hole.

8. The steel structure drilling auxiliary marking device according to claim 5, characterized in that: A locking screw (45) is rotatably provided on the secondary ruler (42), and a plurality of thread grooves (46) are evenly distributed on the telescopic ruler (43). The locking screw (45) is connected to the thread grooves (46) by rotating to lock the telescopic ruler (43) on the secondary ruler (42).

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