Low-noise laser receiver

Abstract

The low-noise laser receiver comprises a machine body, connecting blocks are fixedly connected to the four corners of the top of the machine body, shaft rods are connected to the inner sides of the connecting blocks in an inserted mode, swing rods are fixedly connected to the two ends of each shaft rod, and the sides, away from the shaft rods, of the swing rods extend to the outer side of the machine body. The bottom of each swing rod is flush with the bottom of the machine body, an adjusting structure is arranged at the top of the machine body, the adjusting structure can control the extrusion pressure of the multiple swing rods, the adjusting structure comprises a connecting frame arranged at the top of the machine body, and the two sides of the connecting frame extend to the two sides of the machine body correspondingly. The swing rod is flexibly connected with the machine body through the shaft rod, low-frequency vibration energy generated by internal components is allowed to swing and absorbed, the extrusion pressure of the swing rod is dynamically controlled by the adjusting structure, different vibration frequency scenes are adapted, stability is improved, rigid limitation of traditional threaded fixed connection can be eliminated, vibration is prevented from being directly transmitted to a mounting surface, and the service life is prolonged. And noise transmission is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser receiver technical field, concretely is a low noise laser receiver. BACKGROUND

[0002] The laser receiver is a kind of equipment for receiving and detecting laser signal, usually with laser transmitter, and is widely used in communication, ranging, sensing, industrial detection, medical equipment and other fields.

[0003] For example, the patent application number of Chinese patent network is: 202320895499.1, and the patent name is: laser receiver adjusting seat, including fixed plate and fixed frame, the inside of the fixed plate is equipped with four first screw holes, the inside of the fixed frame is equipped with four third screw holes, the inside of the fixed frame is provided with adjusting assembly, four The first screw hole and four third screw hole corresponding to each other are a group, every group first screw hole and four third screw hole are internally threadedly connected with internal hexagonal countersunk head screw, the inside of the fixed plate is equipped with four second screw holes, the inner side of the fixed frame is fixedly connected with protruding block.The utility model can be conveniently and quickly fixed to laser receiver by adjusting assembly, and can be kept stable after laser receiver is adjusted to appropriate position, to avoid the misplacement of laser receiver due to thermal expansion and cold shrinkage and other environmental factors.

[0004] But the installation mode of existing laser receiver is single, mainly through threaded assembly and is fixed, in the running process of laser receiver, laser receiver is easily disturbed by low-frequency noise generated in the running process of internal components and appears the phenomenon of vibration, so that the running stability of laser receiver is affected.

[0005] Therefore, low-noise laser receiver needs to be designed and reformed. UTILITY MODEL CONTENT

[0006] To solve the problems in the background art, the utility model aims to provide a low-noise laser receiver, which has the advantages of improving the running stability, and solves the problem that the installation mode of existing laser receiver is single, mainly through threaded assembly and is fixed, in the running process of laser receiver, laser receiver is easily disturbed by low-frequency noise generated in the running process of internal components and appears the phenomenon of vibration, so that the running stability of laser receiver is affected.

[0007] To achieve the above object, the utility model provides the following technical scheme: a low-noise laser receiver, comprising a body;

[0008] The four corners of the top of the machine body are fixedly connected with connecting blocks, shaft rods are inserted into the inner sides of the connecting blocks, swing rods are fixedly connected to the two ends of the shaft rods, the sides of the swing rods away from the shaft rods extend to the outer sides of the machine body, the bottoms of the swing rods are flush with the bottom of the machine body, and the top of the machine body is provided with an adjusting structure.

[0009] As preferred in the utility model, the adjusting structure comprises a connecting frame arranged at the top of the machine body, the two sides of the connecting frame extend to the two sides of the machine body respectively, pressure rods are inserted into the two sides of the connecting frame, and the two ends of the pressure rods extend to the top of the swing rod and are in sliding connection with the swing rod.

[0010] As preferred in the utility model, the top of the machine body is fixedly connected with a support sleeved on the surface of the connecting frame, a screw rod is movably connected between the support and the machine body through a bearing, the connecting frame is sleeved on the surface of the screw rod and is in threaded connection with the screw rod, the top end of the screw rod penetrates through the top of the support and is fixedly connected with a torsion block.

[0011] As preferred in the utility model, the surface of the pressure rod is sleeved with a sleeve pipe, the sleeve pipe is located at the top of the swing rod, and the outer surface of the sleeve pipe is in sliding connection with the top of the swing rod.

[0012] As preferred in the utility model, the left side and the right side of the machine body are provided with extension frames, the outer ends of the extension frames extend to the front face and the back face of the machine body respectively and are fixedly connected with supporting legs, and the bottoms of the supporting legs are flush with the bottom of the machine body.

[0013] As preferred in the utility model, the surface of the extension frame is hollow, the left side and the right side of the machine body are fixedly connected with limiting rods located in the extension frames, and the limiting rods are in sliding connection with the extension frame.

[0014] As preferred in the utility model, the inner end of the extension frame is fixedly connected with a push rod, the left side and the right side of the machine body are movably connected with cranks through pins, the outer end of the crank is sleeved on the surface of the push rod, the inner end of the crank extends to the inner side of the connecting frame, the two sides of the inner wall of the connecting frame are fixedly connected with pull rods located in the cranks, and the pull rods are in sliding connection with the cranks.

[0015] As preferred in the utility model, the end of the swing rod away from the shaft rod and the bottom of the supporting leg are fixedly connected with damping plates, and the damping plates have elasticity.

[0016] Compared with the prior art, the utility model has the advantages of the following:

[0017] 1. The utility model discloses a flexible connection of shaft and machine body through swing lever, allows swing to absorb the low frequency vibration energy of internal component and device, adjusts the dynamic control of structure and squeezes the pressure of swing lever, adapts different vibration frequency scene, promotes stability, can get rid of the rigid restriction of traditional thread fixed, avoids the direct transmission of vibration to the mounting surface, reduces noise transmission.

[0018] 2. The utility model discloses the lateral extension of connecting frame covers both sides of machine body, and the synchronous action of pressing rod is applied to all swing lever, ensures the even transmission of pressure, and the sliding connection of pressing rod and swing lever allows swing lever to swing freely while limiting amplitude, realizes dynamic damping adjustment.

[0019] 3. The utility model discloses the vertical displacement of connecting frame through screw rod drive and converts rotary motion, realizes the stepless precision adjustment of swing lever pressure, only needs to rotate the torsion block to complete pressure adjustment, simplifies the operation process, avoids disassembly or tool dependence.

[0020] 4. The utility model discloses the sliding medium of sleeve pipe, reduces the direct friction loss of pressing rod and swing lever, prolongs the service life of component, and the sliding contact of sleeve pipe can absorb high frequency tiny vibration, avoids rigid impact transmission to swing lever.

[0021] 5. The utility model discloses the extension of support leg from the front and back of machine body, increases the grounding area, disperses vibration load, improves overall stability, reduces the additional vibration caused by uneven support.

[0022] 6. The utility model discloses the weight reduction of hollow structure extension frame, avoids the aggravation of vibration due to the excessive weight of component, and the movement track of extension frame is restricted by limiting rod, ensures the stability of support leg expansion process.

[0023] 7. The utility model discloses the rotation of crank driven by pull rod when connecting frame moves, and extension frame is pushed to expand and contract synchronously, realizes the linkage of support leg unfolding and pressure adjustment, and single adjustment action controls swing lever pressure and support leg support range simultaneously, improves system coordination.

[0024] 8. The utility model discloses the residual vibration energy of swing lever and support leg is absorbed by the elastic deformation of damping plate, further blocks the noise propagation path, and the damping plate is elastically attached to the mounting surface, and the unevenness of surface is compensated. DRAWINGS

[0025] Figure 1 It is the structure schematic diagram of the utility model;

[0026] Figure 2 It is the local structure schematic diagram of the utility model;

[0027] Figure 3 It is the main structure schematic diagram of the utility model;

[0028] Figure 4The partial structure section schematic view of the utility model is shown in the figure.

[0029] Figure 5 The utility model discloses Figure 1 The enlarged structure schematic view at A in the middle.

[0030] In the figure: 1, machine body;2, connecting block;3, shaft rod;4, swing rod;5, adjusting structure;6, connecting frame;7, pressing rod;8, support;9, screw;10, torsion block;11, sleeve;12, extension frame;13, support leg;14, limiting rod;15, push rod;16, crank;17, pull rod;18, damping plate. Specific implementation

[0031] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] As Figures 1 to 5 Indicated, the utility model provides a kind of low-noise laser receiver, including machine body 1;

[0033] The four corners of the top of machine body 1 are fixedly connected with connecting block 2, the inner side of connecting block 2 is inserted with shaft rod 3, the both ends of shaft rod 3 are fixedly connected with swing rod 4, the side of swing rod 4 away from shaft rod 3 extends to the outside of machine body 1, the bottom of swing rod 4 and the bottom of machine body 1 are flush with each other, and the top of machine body 1 is provided with adjusting structure 5, which can control the extrusion pressure of multiple swing rods 4.

[0034] Reference Figure 3 Adjusting structure 5 includes connecting frame 6 arranged at the top of machine body 1, connecting frame 6 extends to the both sides of machine body 1 respectively, pressing rod 7 is inserted on the both sides of connecting frame 6, and the both ends of pressing rod 7 extend to the top of swing rod 4 and are slidably connected with swing rod 4.

[0035] As a technical optimization scheme of the utility model, connecting frame 6 extends transversely to cover the both sides of machine body 1, and pressing rod 7 acts on all swing rods 4 synchronously, to ensure uniform pressure transmission, and the sliding connection of pressing rod 7 and swing rod 4 allows swing rod 4 to swing freely while limiting the amplitude, to realize dynamic damping adjustment.

[0036] Reference Figure 4The top of the machine body 1 is fixedly connected with a bracket 8 sleeved on the surface of the connecting frame 6, a screw rod 9 is movably connected between the bracket 8 and the machine body 1 through a bearing, the connecting frame 6 is sleeved on the surface of the screw rod 9 and is threadedly connected with the screw rod 9, and the top end of the screw rod 9 penetrates through the top of the bracket 8 and is fixedly connected with a torsion block 10.

[0037] As a technical optimization scheme of the utility model, the rotation motion is converted into the vertical displacement of the connecting frame 6 through the transmission of the screw rod 9, the stepless precise adjustment of the pressure of the swing rod 4 is realized, the pressure adjustment can be completed by only rotating the torsion block 10, the operation process is simplified, and disassembly or tool dependence is avoided.

[0038] Reference Figure 4 The surface of the pressing rod 7 is sleeved with a sleeve pipe 11, the sleeve pipe 11 is located at the top of the swing rod 4, and the outer surface of the sleeve pipe 11 is slidably connected with the top of the swing rod 4.

[0039] As a technical optimization scheme of the utility model, the sleeve pipe 11 is used as a sliding medium to reduce the direct friction loss of the pressing rod 7 and the swing rod 4, prolong the service life of components, the sliding contact of the sleeve pipe 11 can absorb high-frequency micro-vibration, and rigid impact is avoided from being transmitted to the swing rod 4.

[0040] Reference Figure 5 The left side and the right side of the machine body 1 are provided with extension frames 12, the outer ends of the extension frames 12 extend to the front face and the back face of the machine body 1 respectively and are fixedly connected with supporting legs 13, and the bottoms of the supporting legs 13 are flush with the bottom of the machine body 1.

[0041] As a technical optimization scheme of the utility model, the supporting legs 13 extend from the front face and the back face of the machine body 1, the grounding area is increased, the vibration load is dispersed, the overall stability is improved, and additional vibration caused by uneven support is reduced.

[0042] Reference Figure 5 The surface of the extension frame 12 is provided in a hollow structure, the left side and the right side of the machine body 1 are fixedly connected with limiting rods 14 located inside the extension frame 12, and the limiting rods 14 are slidably connected with the extension frame 12.

[0043] As a technical optimization scheme of the utility model, the hollow structure is used to reduce the weight of the extension frame 12, avoid aggravating vibration caused by excessive weight of components, and the movement track of the extension frame 12 is constrained by the limiting rods 14, so that the extension process of the supporting legs 13 is stable.

[0044] Reference Figure 5 The inner end of the extension frame 12 is fixedly connected with a push rod 15, the left side and the right side of the machine body 1 are movably connected with cranks 16 through pin shafts, the outer end of the crank 16 is sleeved on the surface of the push rod 15, the inner end of the crank 16 extends to the inner side of the connecting frame 6, the inner side of the connecting frame 6 is fixedly connected with pull rods 17 located inside the crank 16, and the pull rods 17 are slidably connected with the crank 16.

[0045] As a technical optimization scheme of the utility model, through connecting frame 6 movement, pull rod 17 drive crank 16 rotation, promote extension frame 12 synchronous expansion and contraction, realize the linkage of outrigger 13 unfolding and pressure regulation, single adjustment action controls simultaneously swing lever 4 pressure and outrigger 13 supporting range, improve system coordination.

[0046] Reference Figure 5 , swing lever 4 far from the one end of axle 3 and the bottom of outrigger 13 are all fixedly connected with damping plate 18, and damping plate 18 has elasticity.

[0047] As a technical optimization scheme of the utility model, through damping plate 18 through elastic deformation absorbs residual vibration energy transmission of swing lever 4 and outrigger 13, further block noise propagation path, damping plate 18 elastic fit mounting surface, compensate uneven surface problem.

[0048] The working principle and use process of the utility model: first, the machine body 1 is connected with the wall or equipment through bolts, then the torsion block 10 at the top is rotated, driving the screw rod 9 to rotate, the screw rod 9 is screwed with the connecting frame 6, the rotation of the screw rod 9 makes the connecting frame 6 move along the vertical direction, the movement of the connecting frame 6 drives the pressure rods 7 on both sides to descend synchronously, the sleeve 11 contacts the top of the swing lever 4, and the pressure is transmitted through sliding, the pressure rod 7 applies adjustable pressure to the swing lever 4, changes the swing damping of the swing lever 4 around the axle 3, when the connecting frame 6 moves, the pull rod 17 in the connecting frame 6 drives the two cranks 16 to rotate around the pin shaft, the crank 16 pushes the push rod 15 at the outer end, drives the extension frame 12 to slide outward along the limiting rod 14, when the extension frame 12 expands outward, the outrigger 13 at the end thereof expands synchronously, expands the supporting area of the machine body 1, at the same time, the swing lever 4 at the end contacts the damping plate 18 at the bottom of the outrigger 13 with the ground or mounting surface, the damping plate 18 absorbs residual vibration energy and converts it into elastic deformation, blocks the noise transmission path, when the adjusting structure 5 is pressurized, the compression amount of the damping plate 18 increases, further improves the shock-absorbing effect, when the internal components of the laser receiver operate, low-frequency vibration is dispersed and absorbed by the swing of the swing lever 4 and the deformation of the damping plate 18, and users can adjust and realize through a single torsion block 10 according to actual noise frequency and installation conditions.

[0049] In summary: the low-noise laser receiver, through the swing lever 4, allows the swing to absorb the low-frequency vibration energy generated by the internal components, the adjusting structure 5 dynamically controls the extrusion pressure of the swing lever 4, adapts to different vibration frequency scenes, improves stability, can get rid of the rigid restriction of traditional threaded fixed connection, avoids direct transmission of vibration to the mounting surface, and reduces noise transmission.

[0050] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications can be made to the embodiments without departing from the spirit and scope of the application as described in the claims. For example, the size, shape, and relative positions of the elements can be changed as needed and the figures are not necessarily to scale. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed unless such change results in a practical, functional, or commercial inoperativeness. Any reference to claim limitations relating to an apparatus or structure are intended to encompass a product combined with a function of the product, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described but extends to the claims of the application and their equivalents.

[0051] Furthermore, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those unrelated to the disclosure of the best mode of practicing the present application, or those that are well-known).

[0052] It is understood that in the development of any actual implementation, numerous implementation-specific decisions can be made. These development efforts can be complex and time-consuming, but can also benefit from advancements in technology and design, as well as from the application of the principles of the present application. Accordingly, the scope of the present application is intended to embrace all such alterations, modifications, and variations that fall within the scope of the claims, including other exemplary embodiments that are presently known or that are developed later.

[0053] It should be noted that the above examples are intended to be illustrative only and not limiting of the technical solutions of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all such modifications or replacements should be included in the scope of the claims of the present application.

Claims

1. A low-noise laser receiver comprising a body (1); characterized in that The four corners of the top of the body (1) are fixedly connected with connecting blocks (2), the inner side of the connecting block (2) is inserted with a shaft rod (3), both ends of the shaft rod (3) are fixedly connected with swing rods (4), the side away from the shaft rod (3) of the swing rod (4) extends to the outside of the body (1), the bottom of the swing rod (4) is flush with the bottom of the body (1), the top of the body (1) is provided with an adjusting structure (5), which can control the extrusion pressure of the swing rods (4).

2. A low noise laser receiver according to claim 1, characterized in that: The adjusting structure (5) comprises a connecting frame (6) arranged on the top of the body (1), both sides of the connecting frame (6) extend to both sides of the body (1), both sides of the connecting frame (6) are inserted with pressure rods (7), both ends of the pressure rod (7) extend to the top of the swing rod (4) and are slidably connected with the swing rod (4).

3. A low noise laser receiver according to claim 2, characterized in that: The top of the body (1) is fixedly connected with a bracket (8) sleeved on the surface of the connecting frame (6), a screw rod (9) is movably connected between the bracket (8) and the body (1) through a bearing, the connecting frame (6) is sleeved on the surface of the screw rod (9) and is threadedly connected with the screw rod (9), the top end of the screw rod (9) penetrates through the top of the bracket (8) and is fixedly connected with a torsion block (10).

4. A low noise laser receiver as claimed in claim 2, characterized in that: The surface of the pressure rod (7) is sleeved with a sleeve (11), the sleeve (11) is located at the top of the swing rod (4), and the outer surface of the sleeve (11) is slidably connected with the top of the swing rod (4).

5. A low noise laser receiver as claimed in claim 2, characterized in that: The left and right sides of the body (1) are provided with extension frames (12), the outer ends of the extension frames (12) extend to the front and back of the body (1) and are fixedly connected with supporting legs (13), and the bottoms of the supporting legs (13) are flush with the bottom of the body (1).

6. A low noise laser receiver according to claim 5, characterized in that: The surface of the extension frame (12) is hollow, the left and right sides of the body (1) are fixedly connected with limiting rods (14) located inside the extension frame (12), and the limiting rods (14) are slidably connected with the extension frame (12).

7. A low noise laser receiver according to claim 6, characterized in that: The inner end of the extension frame (12) is fixedly connected with a push rod (15), the left and right sides of the body (1) are movably connected with cranks (16) through pins, the outer end of the crank (16) is sleeved on the surface of the push rod (15), the inner end of the crank (16) extends to the inner side of the connecting frame (6), the left and right sides of the inner wall of the connecting frame (6) are fixedly connected with pull rods (17) located inside the crank (16), and the pull rods (17) are slidably connected with the crank (16).

8. A low noise laser receiver as claimed in claim 5, characterized in that: The end away from the shaft rod (3) of the swing rod (4) and the bottom of the supporting leg (13) are fixedly connected with damping plates (18), and the damping plates (18) have elasticity.

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