CN217155412U

CN217155412U - Laser plumb bob and laser alignment device

Info

Publication number: CN217155412U
Application number: CN202220000151.7U
Authority: CN
Inventors: 于军飞; 于子航
Original assignee: Individual
Current assignee: Yu Zihang
Priority date: 2022-01-02
Filing date: 2022-01-02
Publication date: 2022-08-09
Anticipated expiration: 2032-01-02

Abstract

The utility model relates to a laser plumb bob and a laser collimation device, which comprises two aspects, on one hand, the laser plumb bob comprises a suspension wire (1) and a plumb bob (3), and the aim is to increase the stable speed and collimation efficiency of the plumb bob; on the other hand, the laser sighting device mainly comprises a laser plumb bob (8), a shell (7) and a sucker (12), and aims to improve the convenience and the rapidity of the laser plumb bob.

Description

Laser plumb bob and laser alignment device

Technical Field

The utility model discloses a patent application relates to a laser hammer and a laser show accurate device.

Background

The method includes the steps of placing an object or equipment at a fixed point on a certain supporting surface, usually marking a fixed point or a fixed line on the supporting surface, and aligning the fixed point or the fixed line on the supporting surface with a reference point corresponding to the object or equipment in the vertical direction, namely, the fixed point or the fixed line and the corresponding reference point are on the same vertical line or vertical plane. In the prior art, the alignment between the reference point of the object or device and the positioning point or positioning line of the supporting surface is usually achieved by visual inspection through plumb bob indication, that is, the plumb bob is hung on the reference point of the object or device through a long hanging line, and the visual top point of the plumb bob of the moving object or device aligns with the positioning point in the vertical direction or moves along the positioning line, which indicates that the object or device is positioned accurately at the moment.

Obviously, the disadvantages of the prior art are: the hanging wire is long, and the plumb bob is easy to shake, so that positioning observation is influenced; the suspension wire and the plumb are exposed and are easily influenced by wind; the plumb bob is not provided with a light source, and the positioning condition needs to be observed by an external light source at night or in dark; when a datum point on an object or equipment is aligned with a positioning point or a positioning line on a supporting surface from top to bottom, if the suspension line is short, the distance between the top point of the plumb bob and the positioning point or the positioning line is far, so that the positioning condition is inconvenient to observe, and if the length of the suspension line is increased, the distance between the top point of the plumb bob and the positioning point or the positioning line is shortened, so that the alignment condition is convenient to observe, but the plumb bob is not aligned when the object or the equipment descends or the plumb bob touches the supporting surface; it is necessary to provide a wire end upper anchor for fixing the suspension wire at a reference point of the object or the equipment.

Disclosure of Invention

In a first aspect: in order to solve the problem, the utility model discloses an application provides a laser plummet, its aim at increases plummet stabilizing speed and shows accurate efficiency, for realizing above-mentioned purpose, takes following technical scheme:

a laser plumb includes a plumb line and a plumb, characterized in that the plumb line is short and has no elasticity and wear resistance and tensile strength, the lower end of the plumb line is connected with the plumb through a line end lower fixer, the vertex of the plumb cone is upward, the line end lower fixer is screwed on the vertex of the cone, an installation blind hole is processed by taking the straight line where the height of the cone is located at the center of the bottom surface of the plumb cone as the axis, the bottom of the installation blind hole is hemispherical to be assembled with a spherical installation seat, so that the spherical installation seat can rotate flexibly and is not loose, a pressing adjustment screw plug is screwed outside the spherical installation seat and is pressed and fixed with the spherical installation seat after the adjustment, and a laser indicator passes through a hollow screw of the pressing adjustment screw plug and is arranged in a positioning screw hole of the spherical installation seat.

Further, the length of the free swing part of the short hanging wire is 1-2 cm after the short hanging wire is installed, the diameter of the hanging wire is equal to that of a rope threading hole of a lower fixer of the wire end, and the hanging wire is a nylon wire.

Further, the lower end terminal fixer is in a small cone shape and is installed at the top point of the plumb bob through threads, the lower end terminal fixer and the plumb bob are combined into a complete cone, a rope penetrating hole is formed in the middle of the lower end terminal fixer, the diameter of the rope penetrating hole is equal to that of the hanging wire, the axis of the rope penetrating hole coincides with the conical high line of the plumb bob, and the conical axis of the plumb bob coincides with the plumb line after being hoisted is guaranteed.

Furthermore, the depth and the aperture of the installation blind hole in the plumb need to be matched with the outline size of the combination body of the laser indicator and the spherical installation seat, so that after the assembly is in place, the spherical installation seat can rotate flexibly and is not loose, and the laser output end of the laser indicator is flush with the conical bottom surface of the plumb.

Furthermore, the compaction adjusting screw plug is rotatably installed in the blind installation hole of the plumb bob through threads, and the compaction adjusting screw plug is a hollow special-shaped screw plug, one end of which is provided with a spherical horn mouth for closely fixing the spherical horn mouth, and the other end of the spherical installation seat is provided with a groove for self-tightness disassembly and assembly.

Furthermore, the spherical mounting seat is made of metal or engineering plastics and is provided with a radial mounting hole for mounting the laser indicator, the radial mounting hole is a through hole, the aperture of the radial mounting hole is equal to the outer diameter of the laser indicator, and one end of the radial mounting hole is sleeved with a thread for screwing the laser indicator, and the other end of the radial mounting hole is a light hole for accurately positioning the laser indicator.

Furthermore, the laser indicator is a common point laser, a shell of the laser indicator is cylindrical, the axis of a laser beam emitted by the laser indicator coincides with the axis of the shell, a small button switch is arranged on one side close to the laser output end, threads are machined on the outer side of the other end of the laser indicator and used for being connected with the spherical mounting seat, and electric elements inside the laser indicator are arranged along the circumferential direction of the cylindrical shell axis in a balanced mode so as to guarantee the balance of the quality of the whole laser indicator.

Because the laser plumb hammer shortens the plumb hammer hanging line length, and the plumb hammer alignment is replaced by the laser alignment, the stable speed in the plumb hammer alignment process is obviously increased, the alignment operation time is shortened, and in addition, the laser alignment effect improves the alignment precision and the alignment efficiency.

In a second aspect: in order to further solve the above problem, the utility model discloses an application provides a laser shows accurate device, laser shows accurate device and contains the laser plummet, its aim at improves convenience, the rapidity that the laser plummet used, for realizing above-mentioned purpose, takes following technical scheme:

a laser alignment device is characterized by comprising a laser plumb bob, a shell and a sucker, wherein the sucker is made of a disc magnetic material, a centering cross line is carved on the outer surface of the sucker, the centering cross line is aligned with a cross reference line at a reference point on an object or equipment, then the sucker is sucked on the object or the equipment, so that the center of the sucker is opposite to the reference point of the object or the equipment, 5 unthreaded holes are processed on the sucker, 1 of the unthreaded holes is uniformly distributed around the center of the disc, four positioning bolts penetrate through the unthreaded holes on the periphery of the sucker and are screwed into screw holes at the top of the shell to fix the sucker and the shell together, a central positioning bolt penetrates through the central unthreaded holes at the top of the sucker and the shell and is screwed into the screw hole of a plumb bob footstock to be fixed, the central positioning bolt is provided with a through hole along the central axis and is used for penetrating and fixing a suspension wire of the laser plumb bob, after the laser plumb bob is assembled, the distance between the tip end of the laser plumb bob and the plumb bob footstock is about 1-2 cm so as to ensure that the laser plumb bob can swing freely, at the moment, the laser sighting device is in a working state, the shell is in a bell shape, the laser plumb bob can be accommodated in the shell, the lower internal thread of the shell is matched with the external thread of the plumb bob base, the plumb bob base can be screwed into the bottom of the shell to jack up the laser plumb bob, and the laser sighting device is in a withdrawing state.

Further, the shell and the plumb bob base are made of engineering plastics.

Further, the lower end of the top seat of the plumb bob is in a horn mouth shape, and the laser sighting device is matched with the tip of the laser plumb bob to play a role in stabilizing when being in a withdrawing state.

Furthermore, a shallow groove matched with the bottom of the laser plumb is machined in the center of the upper surface of the plumb base, the laser sighting device plays a role in stabilizing the laser plumb when in a withdrawing state, and a concave linear handle is machined in the middle of the lower surface of the plumb base, so that the plumb base is convenient to assemble and disassemble.

Because the laser sighting device comprises the sucking disc and the shell, the laser sighting device can be quickly fixed on a magnetic datum point, and the wind-proof effect of the shell obviously improves the stability of the laser plumb bob and the sighting efficiency.

Drawings

FIG. 1 is a cross-sectional view of a laser plumb bob of the present invention;

FIG. 2 is an external view of the laser sighting device of the utility model;

fig. 3 is a schematic view of the development state of the laser sighting device of the utility model;

fig. 4 is a schematic view of the state of withdrawing the laser collimator of the utility model.

Detailed Description

The first embodiment is as follows:

fig. 1 is a cross-sectional view of a laser plumb of the utility model, and as shown in fig. 1, the laser plumb comprises a suspension wire 1 and a plumb 3, it is characterized in that the suspension wire 1 is short and has no elasticity, wear resistance and tensile strength, the lower end of the suspension wire 1 is connected with the plumb bob 3 through a wire end lower fixer 2, the conical vertex of the plumb bob 3 is upward, the lower fixer 2 of the wire end is screwed on the conical vertex, a blind installation hole is processed by taking the straight line where the cone height is positioned at the center of the bottom surface of the cone of the plumb bob 3 as an axis, the bottom of the mounting blind hole is hemispherical to be provided with a spherical mounting seat 5, so that the spherical mounting seat 5 can rotate flexibly and is not loose, a compression adjusting screw plug 6 is screwed outside the spherical mounting seat 5 and is used for compressing and fixing the spherical mounting seat 5 after being adjusted, and a laser indicator 4 penetrates through a hollow screw of the compression adjusting screw plug 6 and is arranged in a positioning screw hole of the spherical mounting seat 5.

Further, the length of the free swing part of the suspension wire 1 is 1-2 cm after the suspension wire 1 is short and installed, the diameter of the suspension wire 1 is equal to that of a rope threading hole of the lower fixer 2 of the wire end, and the suspension wire 1 is a nylon wire.

Further, the lower end terminal fixer 2 is in a small cone shape and is installed at the top point of the plumb bob 3 through threads, the lower end terminal fixer 2 and the plumb bob 3 are combined into a complete cone, a rope penetrating hole is formed in the middle of the lower end terminal fixer 2, the diameter of the rope penetrating hole is equal to that of the hanging wire 1, the axis of the rope penetrating hole coincides with the conical high line of the plumb bob 3, and the conical axis of the plumb bob 3 coincides with the plumb line after being hoisted.

Furthermore, the depth and the aperture of the installation blind hole in the plumb bob 3 are matched with the outline size of the combination of the laser indicator 4 and the spherical installation seat 5, so that after the assembly is in place, the spherical installation seat 5 can flexibly rotate without loosening, and the laser output end of the laser indicator 4 is flush with the conical bottom surface of the plumb bob 3.

Further, the compression adjusting screw plug 6 is screwed in the installation blind hole of the plumb bob 3 through threads, and the compression adjusting screw plug 6 is a hollow special-shaped screw plug, one end of which is provided with a spherical bell mouth for tightly attaching and fixing the other end of the spherical installation seat 5 is provided with a groove for self-tightening and dismounting.

Furthermore, the spherical mounting seat 5 is made of metal or engineering plastics and is provided with a radial mounting hole for mounting the laser indicator 4, the radial mounting hole is a through hole with the aperture equal to the outer diameter of the laser indicator 4, and one end of the radial mounting hole is sleeved with a thread for screwing the laser indicator 4 and the other end of the radial mounting hole is a light hole for accurately positioning the laser indicator 4.

Furthermore, the laser indicator 4 is a common point laser, a shell of the laser indicator is cylindrical, the axis of a laser beam emitted by the laser indicator coincides with the axis of the shell, a small button switch is arranged on one side close to the laser output end, threads are processed on the outer side of the other end of the laser indicator and used for being connected with the spherical mounting seat 5, and electric elements inside the laser indicator 4 are circumferentially and uniformly arranged along the cylindrical shell axis of the laser indicator, so that the quality balance of the whole laser indicator is guaranteed.

The second embodiment:

in the second embodiment, a housing 7, a suction cup 12 and the like are added to the laser plumb bob to form a laser alignment device. Fig. 2, 3, 4 are schematic views of an appearance, an unfolded state and a retracted state of the laser sighting device of the utility model, respectively, as shown in fig. 2, 3 and 4, a laser sighting device is characterized in that the laser sighting device comprises a laser plumb 8, a housing 7 and a suction cup 12, the suction cup 12 is made of a disc magnetic material, the outer surface of the suction cup 12 is marked with a centering cross 14, after the centering cross 14 is aligned with a cross reference line at a reference point on an object or equipment, the suction cup 12 is sucked on the object or equipment, so that the center of the suction cup 12 is just opposite to the reference point of the object or equipment, 5 unthreaded holes are processed on the suction cup 12, wherein 1 of the rest 4 unthreaded holes at the center of the disc are uniformly arranged around, four positioning bolts 11 pass through the unthreaded holes at the periphery of the suction cup 12 and are screwed into 4 threaded holes at the top of the housing 7 to fix the suction cup 12 and the housing 7 together, the center positioning bolt 10 passes through and screws up in the screw of plumb bob footstock 9 from the sucking disc 12 with in the central unthreaded hole at casing 7 top and fixes, center positioning bolt 10 has a through-hole along its central axis for penetrate and fix the suspension wire 1 of laser plumb bob 8, after the assembly the most advanced distance of laser plumb bob 8 the distance of about 1-2 centimetres of plumb bob footstock 9 is in order to ensure laser plumb bob 8 can freely swing, at this moment the laser sighting device is in operating condition, casing 7 is bell-shaped its inside can hold laser plumb bob 8, and its lower part internal thread and plumb bob base 13 external screw thread fit enable plumb bob base 13 screw in the bottom of casing 7 jack-up laser plumb bob 8 makes the laser sighting device be and withdraws the state.

Further, the housing 7 and the plumb base 13 are made of engineering plastics.

Further, the lower end of the top seat 9 of the plumb bob is in a horn mouth shape, and the laser sighting device is matched with the tip of the laser plumb bob 8 to play a role in stabilizing when being in a withdrawing state.

Furthermore, the center processing has with laser plummet 8 bottom matched with shallow slot above plummet base 13 laser sighting device plays the firm effect of laser plummet when removing the state, processing has recessed style of calligraphy handle in the middle of below plummet base 13, makes things convenient for the loading and unloading of plummet base.

The use method of the sighting device and the calibration method of the laser pointer are as follows:

1. using method of collimation device

Selecting a reference point needing to be aligned with an object or equipment and drawing a reference cross line at the reference point; aligning the centering reticle 14 of the laser alignment device with the reference reticle and sucking the alignment reticle onto a magnetic base surface of the object or equipment needing alignment; the plumb base 13 is selected to release the laser plumb 8 to be in a working state, and the laser indicator 4 is opened to start the alignment operation.

When the alignment is completed, turning off the laser pointer 4; screwing the laser base 13, and supporting the laser plumb bob 8 to enable the tip end of the laser plumb bob to tightly push against the plumb bob footstock 9; and pulling the laser sighting device down and putting the laser sighting device into a box.

When the object or equipment needing to be calibrated is made of nonmagnetic materials or the selected datum point is inconvenient to attract the laser calibration device, the laser plumb bob 8 can be independently used, and the using method is similar to that of a common plumb bob.

2. Calibration method of laser pointer

Using a common plumb bob to hang on a fixed point, and marking the point position pointed by the tip of the plumb bob when the plumb bob is hung still; detaching the common plumb from the fixed point and tying the laser plumb 8; after slightly loosening the compression adjusting screw plug 6 of the laser collimator 4, turning on the laser of the laser collimator 4; when the laser plumb bob is suspended, observing the deviation condition of the laser facula and the marking point position, and adjusting the laser indicator 4 according to the deviation; after repeated adjustment, when the laser spot is coincident with the marking point, the compaction adjusting screw plug is screwed down; and finishing the calibration of the laser pointer after the laser pointer is qualified through the rechecking.

Claims

1. A laser plumb bob comprises a suspension wire (1) and a plumb bob (3), and is characterized in that the suspension wire (1) is short, has no elasticity, is wear-resistant and tensile, the lower end of the suspension wire (1) is connected with the plumb bob (3) through a wire end lower fixer (2), the conical vertex of the plumb bob (3) faces upwards, the terminal lower fixer (2) is screwed on the conical vertex, a blind mounting hole is processed at the center of the bottom surface of the cone of the plumb bob (3) by taking the straight line where the cone is high as the axis, the bottom of the mounting blind hole is hemispherical to be provided with a spherical mounting seat (5), so that the spherical mounting seat (5) can rotate flexibly and is not loose, a compression adjusting screw plug (6) is screwed outside the spherical mounting seat (5) and is compressed and fixed on the spherical mounting seat (5) after being adjusted, and a laser indicator (4) penetrates through a hollow screw of the compression adjusting screw plug (6) and is arranged in a positioning screw hole of the spherical mounting seat (5).

2. The laser plumb bob according to claim 1, wherein the length of the free swing portion of the suspension wire (1) is 1-2 cm after the suspension wire (1) is short and is installed, the diameter of the suspension wire (1) is equal to the diameter of the threading hole of the lower anchor (2) at the end of the wire, and the suspension wire (1) is a nylon wire.

3. The laser plumb bob according to claim 1, wherein the lower end-of-line holder (2) is installed at the top of the plumb bob (3) in a small cone shape by screw threads, the lower end-of-line holder (2) and the plumb bob (3) are combined into a complete cone, a rope-threading hole is arranged in the middle of the lower end-of-line holder (2), the diameter of the rope-threading hole is equal to the diameter of the hanging wire (1), the axis of the rope-threading hole coincides with the conical high line of the plumb bob (3), and the conical axis of the plumb bob (3) coincides with the plumb line after being hoisted.

4. A laser plumb bob as claimed in claim 1, characterized in that the depth and aperture of the blind mounting hole in the plumb bob (3) are adapted to the dimensions of the profile of the combination of the laser pointer (4) and the ball mount (5) in order to allow the ball mount (5) to rotate flexibly and without looseness after being assembled in place and to allow the laser output end of the laser pointer (4) to be flush with the conical bottom surface of the plumb bob (3).

5. The laser plumb bob according to claim 1, wherein the compression adjustment screw plug (6) is screwed in the blind mounting hole of the plumb bob (3) through a thread, and the compression adjustment screw plug (6) is a hollow special-shaped screw plug, one end of which is provided with a spherical bell mouth for tightly fixing the spherical mounting seat (5) and the other end of which is provided with a groove for self-tightening and dismounting.

6. The laser plumb bob as claimed in claim 1, wherein said ball-shaped mounting seat (5) is made of metal or engineering plastic in a shape of a sphere, and is formed with a radial mounting hole for mounting said laser pointer (4), said radial mounting hole is a through hole having a diameter equal to the outer diameter of said laser pointer (4), said radial mounting hole is threaded at one end for screwing said laser pointer (4) and is a light hole for accurate positioning of said laser pointer (4).

7. The laser plumb bob as claimed in claim 1, wherein said laser pointer (4) is a common point laser, its shell is cylindrical, the axis of the emitted laser beam coincides with the axis of the shell, a small button switch is provided on the side near the laser output end, a thread is processed on the outer side of the other end for connecting said ball-shaped mounting seat (5), the electric elements inside said laser pointer (4) are arranged along the circumference of the cylindrical shell axis in a balanced manner, so as to ensure the balance of the quality of the whole body.

8. A laser alignment device is characterized by comprising a laser plumb bob (8), a shell (7) and a sucker (12), wherein the sucker (12) is made of a disc magnetic material, a centering cross line (14) is drawn on the outer surface of the sucker (12), after the centering cross line (14) is aligned with a cross reference line at a reference point on an object or equipment, the sucker (12) is sucked onto the object or the equipment, so that the center of the sucker (12) is opposite to the reference point of the object or the equipment, 5 unthreaded holes are processed on the sucker (12), 1 of the other 4 unthreaded holes is uniformly arranged around the center of the disc, four positioning bolts (11) penetrate through the unthreaded holes at the periphery of the sucker (12) and are screwed into 4 threaded holes at the top of the shell (7) to fix the sucker (12) and the shell (7), and a central positioning bolt (10) penetrates through the unthreaded holes at the tops of the sucker (12) and the shell (7) and is screwed into a threaded hole at the top of the plumb bob for fixation Surely, center set bolt (10) have a through-hole along its central axis for penetrate and fix plumb line (1) of laser plummet (8), the back has been assembled the most advanced distance of laser plummet (8) plumb top seat (9) about 1-2 centimetres distance is in order to ensure laser plummet (8) can the free swing, this moment laser sighting device is in operating condition, casing (7) are bell-shaped its inside can hold laser plummet (8), its lower part internal thread and plummet base (13) screw-thread fit, enable plummet base (13) screw in the bottom jack-up of casing (7) laser plummet (8), make laser sighting device is the state of withdrawing.

9. A laser sighting device according to claim 8, characterised in that the housing (7) and the plumb base (13) are of engineering plastics.

10. The laser sighting device according to claim 8, characterized in that the lower end of the plumb bob footstock (9) is in the shape of a bell mouth, and is used for cooperating with the tip of the laser plumb bob (8) to play a role of stabilizing when the laser sighting device is in a withdrawing state.