Round tube scriber

Abstract

The utility model discloses a circular tube scriber, which belongs to the technical field of machine repair auxiliary tools and particularly comprises a base, and a distance adjusting mechanism is mounted at the top of the base through a vertical frame. Two groups of round tube lifting mechanisms are mounted on the distance adjusting mechanism, and a pen rack is mounted on a vertical rack on one side of the top of the base; the device is simple and small in structure and convenient to carry, the distance of the circular tube lifting mechanism can be adjusted by matching the positive and negative tooth lead screw with the limiting rod, so that the device is suitable for placing materials with different lengths, line drawing operation before discharging is completed, the precision of circular tube line drawing can be improved through the design of the pen holder, and the working efficiency is improved. Maintenance personnel can conveniently cut out the pipe fitting with the specified length according to needs, so that accurate discharging is achieved, and convenience is provided for follow-up pipeline maintenance.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machine repair auxiliary tool, concretely relates to a circular pipe line marker. BACKGROUND

[0002] In the daily work of the machine repair workshop of the coal mine washing plant, in addition to the need for implementing maintenance on various equipment of the plant, it is also responsible for the maintenance of the infrastructure of the plant area, such as the circulating water pipe, medium pipeline and heating pipeline in the workshop, and the damage of the pipeline is random, and in the maintenance process, various types of pipeline fittings need to be processed according to the actual needs, and different lengths of pipe fittings need to be made on site according to the damage position and wound surface, and the line marking operation before pipeline blanking is currently carried out by using paperboard as an auxiliary tool to achieve the purpose of accurate line marking, and due to the difference in the diameter of the pipeline facilities in the daily maintenance, the length of the paperboard required is also different, and sometimes only the approximate line can be drawn by hand, resulting in inaccurate pipeline fitting blanking and bringing difficulties to subsequent processing.

[0003] In order to improve the pipeline fitting blanking accuracy during the maintenance of the plant pipeline, a portable pipeline line marker that can adapt to different pipe diameters and lengths is designed. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims to provide a circular pipe line marker to solve the above problems in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A circular pipe line marker comprises a base, the top of the base is provided with a stand, and a spacing adjusting mechanism is installed on the top of the base; two groups of circular pipe lifting mechanisms are installed on the spacing adjusting mechanism; a pen rack is installed on one side of the stand on the top of the base, wherein the spacing adjusting mechanism is used to adjust the spacing distance between the two groups of circular pipe lifting mechanisms to facilitate the lifting of shorter circular pipe materials, and the pen rack is mainly used to accommodate a line marker pen.

[0007] Further, the spacing adjusting mechanism comprises a reversible screw rod and two positioning rods, the two positioning rods are distributed in an isosceles triangle shape with the reversible screw rod, and the positioning rods and the reversible screw rod are both horizontally arranged, one end of the reversible screw rod penetrates through the stand on one side of the top of the base and is provided with an operation wheel after installation, and the two ends of the reversible screw rod are rotationally connected with the stand.

[0008] Further, the two groups of the circular pipe lifting mechanisms are respectively located at two ends of the spacing adjusting mechanism, and the circular pipe lifting mechanism comprises a V-shaped plate frame, a screw nut for cooperating with a screw groove at the end of the forward and reverse toothed screw is installed at the bottom end of the V-shaped plate frame, positioning holes for the positioning rods to pass through are formed at the two sides of the V-shaped plate frame corresponding to the positions of the positioning rods, and a group of bearings are installed on the two sides of the top of the V-shaped plate frame through horizontal shafts.

[0009] The operator drives the forward and reverse toothed screw to rotate by rotating the operation wheel, so that the two groups of circular pipe lifting mechanisms installed on the spacing adjusting mechanism are synchronously moved in opposite directions, and the spacing is adjusted.

[0010] Further, a bracket is arranged at the top of the base at the position of the middle of the forward and reverse toothed screw, the forward and reverse toothed screw penetrates the top of the bracket and is rotationally connected with the bracket, a quick-release locking bolt for locking the forward and reverse toothed screw is screwed at one side of the top of the bracket, the bracket is used for lifting and positioning the middle part of the forward and reverse toothed screw, the quick-release locking bolt screwed on the bracket is used for locking and positioning the forward and reverse toothed screw, the forward and reverse toothed screw is locked and positioned, the rotation of the forward and reverse toothed screw is limited, the position of the circular pipe lifting mechanism is positioned, and when the position of the circular pipe lifting mechanism needs to be adjusted, the quick-release locking bolt is loosened, and the forward and reverse toothed screw can normally rotate.

[0011] Further, the minimum distance between the bearings on the two sides of the top of the V-shaped plate frame is 20-25mm, so that the device can adapt to the circular pipe line marking operation of pipes with a diameter of at least 25-30mm.

[0012] Further, in order to prevent the pipe from slipping when rotating, a layer of rubber is wrapped around the outer edges of the bearings on the two sides of the top of the V-shaped plate frame, so as to improve the friction force when the bearings contact the surface of the pipe.

[0013] Further, the bracket comprises an installation arm sleeved on the end of the positioning rod, the installation arm is fixed on the end of the positioning rod through a nut on the outer side of the stand, the end of the installation arm is hinged to an upwardly arranged stand through an adjusting bolt, a horizontal arm parallel to the positioning rod is installed on the outer side of the stand through a support fixing clamp, the locking of the support fixing clamp adopts a quick-release bolt, a sliding sleeve is slidably sleeved on the horizontal arm, a pen clamp for inserting a line pen is arranged on the side of the sliding sleeve close to the positioning rod, specifically, the sliding sleeve and the pen clamp are integrally formed by metal or plastic, the pen clamp is a C-shaped elastic clamp, and a rubber pad is arranged on the inner side of the pen clamp.

[0014] Further, in order to facilitate the operator to adjust the position of the line pen according to the needs, a positioning bolt for positioning and fixing the sliding sleeve is arranged on the sliding sleeve, and a scale mark is arranged on the horizontal arm.

[0015] Further, the side of the cross arm and the inner hole wall of the sliding sleeve are designed with a flat cutting surface, which can keep the angle of the marking pen unchanged during sliding displacement, thereby ensuring the marking precision and meeting the straight line drawing requirement of the pipe surface.

[0016] Advantages:

[0017] The utility model discloses simple structure and small, convenient to carry, through positive and negative tooth screw rod cooperation limiting rod, can realize the spacing adjustment of round pipe lifting mechanism to adapt to the placement of different long and short materials to facilitate the line drawing operation before unloading, and through the design of pen holder, the precision of round pipe marking can be improved, and the maintenance personnel can conveniently intercept the pipe fitting of specified length, thereby realizing accurate unloading and providing convenience for subsequent pipeline maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 For the utility model discloses a kind of round pipe line marker structure schematic Figure 1 ;

[0019] Figure 2 For the utility model discloses a kind of round pipe line marker structure schematic Figure 2 ;

[0020] Figure 3 For the utility model discloses a kind of round pipe line marker local amplification structure schematic drawing;

[0021] Figure 4 For the utility model discloses a kind of round pipe line marker in pen holder structure schematic drawing;

[0022] Figure 5 For the utility model discloses a kind of round pipe line marker structure schematic Figure 3 .

[0023] In the drawing: 1, base; 2, stand; 3, positive and negative tooth screw; 4, positioning rod; 5, round pipe lifting mechanism; 501, V-shaped plate frame; 502, screw nut; 503, positioning hole; 504, cross shaft; 505, bearing; 6, pen holder; 601, mounting arm; 602, stand column; 603, support fixed clamp; 604, cross arm; 605, sliding sleeve; 606, pen clamp; 607, positioning bolt; 608, adjusting bolt; 609, scale mark line; 610, flat cutting surface; 7, operation wheel disc; 8, bracket; 9, quick-release locking bolt. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the present application will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the drawings is only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor. It should be noted that the description of these embodiments is used to help understand the present application, but does not constitute a limitation on the present application.

[0025] Embodiments:

[0026] In view of the fact that in the process of repairing the pipeline in the factory building, the line marking operation before cutting the pipe fittings lacks corresponding auxiliary tools in the process of on-site pipe fitting blanking, so that most of the on-site pipe fitting blanking is currently drawn by hand, the precision of the line marking is low, and it is easy to be inclined, which leads to the problem of incorrect blanking angle in the later stage, and a portable pipe line marker suitable for different pipe diameters and lengths is proposed, and the specific scheme is as follows:

[0027] As shown in Figures 1-2 , the present embodiment provides a round pipe line marker, which comprises a base 1, the top of the base 1 is provided with a spacing adjusting mechanism through a stand 2; two sets of round pipe lifting mechanisms 5 are installed on the spacing adjusting mechanism, and a pen holder 6 is installed on the stand 2 on one side of the top of the base 1, wherein the spacing adjusting mechanism is used to adjust the spacing distance between the two sets of round pipe lifting mechanisms 5, so as to facilitate the device to lift shorter round pipe materials, and the pen holder 6 is mainly used to accommodate a line marker.

[0028] The spacing adjusting mechanism comprises a reversible screw rod 3 and two positioning rods 4, the two positioning rods 4 are distributed in an isosceles triangle shape with the reversible screw rod 3, and the positioning rods 4 and the reversible screw rod 3 are both horizontally arranged, one end of the reversible screw rod 3 penetrates through the stand 2 on one side of the top of the base 1 and is provided with an operation wheel 7, and the two ends of the reversible screw rod 3 are rotatably connected with the stand 2.

[0029] As shown in Figure 3 , the two sets of round pipe lifting mechanisms 5 are respectively located at the two ends of the spacing adjusting mechanism, and the round pipe lifting mechanism 5 comprises a V-shaped plate frame 501, the bottom end of the V-shaped plate frame 501 is provided with a screw nut 502 for cooperating with the screw groove at the end of the reversible screw rod 3, the two sides of the V-shaped plate frame 501 are provided with positioning holes 503 for the positioning rods 4 to pass through at the positions corresponding to the positioning rods 4, and one set of bearings 505 is installed on the two sides of the top of the V-shaped plate frame 501 through a horizontal shaft 504.

[0030] The operator rotates the operation wheel 7 to drive the reversible screw rod 3 to rotate, so that the two sets of round pipe lifting mechanisms 5 installed on the spacing adjusting mechanism move synchronously in the opposite or the same direction, and the spacing is adjusted.

[0031] As Figure 2 shown, the top of the base 1 is located in the middle of the positive and negative tooth screw 3, and the positive and negative tooth screw 3 penetrates the top of the bracket 8 and is rotatably connected with the bracket 8. The fast release locking bolt 9 is screwed on one side of the top of the bracket 8, which is used to lock the positive and negative tooth screw 3. The bracket 8 is used to position the middle of the positive and negative tooth screw 3. Combined with the fast release locking bolt 9 screwed on the bracket 8, the positive and negative tooth screw 3 can be locked and positioned, and the rotation of the positive and negative tooth screw 3 is limited, so that the position of the pipe lifting mechanism 5 is positioned. When the position of the pipe lifting mechanism 5 needs to be adjusted, the fast release locking bolt 9 is loosened, so that the positive and negative tooth screw 3 can rotate normally.

[0032] The minimum distance between the bearings 505 on both sides of the top of the V-shaped plate frame 501 is 20-25mm, so that the device can adapt to the pipe drawing operation of at least 25-30mm pipe diameter.

[0033] In order to prevent the phenomenon of slipping when rotating the pipe, a layer of rubber is wrapped around the outer edge of the bearings 505 on both sides of the top of the V-shaped plate frame 501 to increase the friction force when the bearings 505 contact the surface of the pipe.

[0034] As Figure 4 shown, the pen holder 6 includes a mounting arm 601 fitted on the end of the positioning rod 4, and the mounting arm 601 is fixed on the end of the positioning rod 4 by a nut on the outside of the stand 2. The end of the mounting arm 601 is hinged to an upwardly arranged stand 602 through an adjusting bolt 608. The stand 602 is provided with a horizontal arm 604 parallel to the positioning rod 4 through a support fixing clamp 603 on the outside of the stand 602. The locking of the support fixing clamp 603 is a quick release bolt. A sliding sleeve 605 is slidably fitted on the horizontal arm 604. A pen clamp 606 for inserting a drawing pen is arranged on the side of the sliding sleeve 605 close to the positioning rod 4. Specifically, the sliding sleeve 605 and the pen clamp 606 are integrally formed by metal or plastic. The pen clamp 606 is a C-shaped elastic clamp, and a rubber pad is arranged on the inner side of the pen clamp 606.

[0035] As Figure 5 shown, in order to facilitate the staff to adjust the position of the drawing pen according to the needs, a positioning bolt 607 is arranged on the sliding sleeve 605 to position and fix the sliding sleeve 605. A scale mark 609 is arranged on the horizontal arm 604.

[0036] The side of the horizontal arm 604 and the inner side hole wall of the sliding sleeve 605 are designed with a flat cutting surface 610, which can keep the angle of the drawing pen unchanged during sliding displacement. On the one hand, it ensures the drawing accuracy, and on the other hand, it also makes the device meet the straight line drawing of the pipe surface.

[0037] The whole device structure is simple and small, convenient to carry, the spacing adjustment of the circular pipe lifting mechanism 5 can be realized through the cooperation of the forward and reverse toothed rods 3 and the limiting rods, so as to adapt to the placement of different length materials, so as to facilitate the line drawing operation before discharging, and through the design of the pen holder 6, the precision of the circular pipe line drawing can be improved, the specified length pipe can be conveniently cut by the maintenance personnel according to the needs, so as to realize accurate discharging, and provide convenience for subsequent pipeline maintenance.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included within the scope of the present application.

Claims

1. A round pipe line marker comprising a base (1), characterized in that, The top of the base (1) is provided with a stand (2) and a distance adjusting mechanism; two groups of circular tube lifting mechanisms (5) are installed on the distance adjusting mechanism; a pen stand (6) is installed on one side of the stand (2) on the top of the base (1); The distance adjusting mechanism comprises a reversible toothed lead screw (3) and two positioning rods (4), the two positioning rods (4) are distributed in an isosceles triangle with the reversible toothed lead screw (3), and the positioning rods (4) and the reversible toothed lead screw (3) are both horizontally arranged, and one end of the reversible toothed lead screw (3) penetrates through the stand (2) on one side of the top of the base (1) and is provided with an operation wheel (7).

2. A round tube scribe according to claim 1, wherein, A bracket (8) is arranged at the middle of the reversible toothed lead screw (3) on the top of the base (1), the reversible toothed lead screw (3) penetrates through the top of the bracket (8) and is rotationally connected with the bracket (8), and a quick release locking bolt (9) is screwed on one side of the top of the bracket (8) and is used for positioning and locking the reversible toothed lead screw (3).

3. A round tube scribe according to claim 1, wherein, The two groups of circular tube lifting mechanisms (5) are respectively arranged at two ends of the distance adjusting mechanism, and the circular tube lifting mechanism (5) comprises a V-shaped plate frame (501), the bottom end of the V-shaped plate frame (501) is provided with a lead screw nut (502) used for cooperating with the lead screw groove at the end of the reversible toothed lead screw (3), the two sides of the V-shaped plate frame (501) are provided with positioning holes (503) for the positioning rods (4) to pass through at positions corresponding to the positioning rods (4), and one group of bearings (505) is arranged on the two sides of the top of the V-shaped plate frame (501) through a horizontal shaft (504).

4. A round tube scribe according to claim 3, wherein, The minimum distance between the bearings (505) on the two sides of the top of the V-shaped plate frame (501) is 20-25mm, and the outer edge of the bearings (505) on the two sides of the top of the V-shaped plate frame (501) is further provided with a layer of rubber.

5. A round tube scribe according to claim 1, wherein, The pen stand (6) comprises a mounting arm (601) sleeved on the end of the positioning rod (4), the end of the mounting arm (601) is hingedly connected with a vertical column (602) arranged upward through an adjusting bolt (608), the outer side of the vertical column (602) is provided with a horizontal arm (604) arranged in parallel with the positioning rod (4) through a support fixing clamp (603), a sliding sleeve (605) is sleeved on the horizontal arm (604) in a sliding mode, and a pen clamp (606) for inserting a drawing pen is arranged on the side of the sliding sleeve (605) close to the positioning rod (4).

6. A round tube scribe according to claim 5, wherein, The sliding sleeve (605) is further provided with a positioning bolt (607) used for positioning and fixing the sliding sleeve (605), and the horizontal arm (604) is further provided with a scale mark (609).

7. A round tube scribe according to claim 6, wherein, The side of the horizontal arm (604) and the inner side hole wall of the sliding sleeve (605) are both designed in a flat cutting surface (610).

8. A round tube scribe according to claim 5, wherein, The sliding sleeve (605) and the pen clamp (606) are integrally formed by metal or plastic, the pen clamp (606) is a C-shaped elastic clamp, and the inner side of the pen clamp (606) is provided with a layer of rubber pad.

9. A round tube scribe according to claim 1 wherein, The two ends of the reversible toothed lead screw (3) are rotationally connected with the stand (2).

Images